Battery replacing equipment and battery replacing station

Abstract

The invention discloses a battery replacing device and a battery replacing station, and the battery replacing device comprises a fixedly-arranged supporting frame, a battery replacing main body which is arranged between the supporting frames and can be lifted and moved, and a battery replacing device which is arranged in the battery replacing main body and can be telescopically moved towards the exterior of the supporting frames. The battery dismounting operation of the battery replacing vehicle is realized through the telescopic movement of the battery replacing device and the lifting movement of the battery replacing main body; the battery replacing body comprises a compartment body, and a sliding mechanism is arranged between the battery replacing device and the compartment body so that the battery replacing device can move relative to the compartment body in the direction perpendicular to the telescopic direction. According to the battery replacing equipment, the battery replacing device extends out to enter the position below the chassis of the vehicle, the situation that the whole battery replacing equipment enters the position below the chassis and occupies space is avoided, the battery replacing operation is easier, more convenient and faster, and the position of the battery replacing device can be adjusted in the direction parallel to the vehicle body of the battery replacing vehicle through the sliding mechanism; it is ensured that the battery replacing equipment can be aligned with the battery pack below the battery replacing vehicle to achieve the battery replacing process.

Description

[0001] This application claims priority to Chinese patent application No. 202410380046.4, filed on March 29, 2024. This application incorporates the entirety of the aforementioned patent application. Technical Field

[0002] The present application relates to the technical field of battery replacement for electric vehicles, and in particular to a battery replacement device and a battery replacement station. Background Art

[0003] With the development and popularization of new energy vehicles, battery pack quick-swap technology has also developed rapidly. For large vehicles, such as heavy trucks and light trucks, the heavy weight of the body and cargo leads to higher battery pack capacity requirements, requiring a sufficiently large capacity of electricity to support the operation of large vehicles.

[0004] In traditional battery swapping, large new energy vehicles use a top-lift method to secure large battery containers to the vehicle's beams. These containers are located close to the cab, posing significant safety risks to both the driver and the vehicle during operation and during top-lift battery swapping. Furthermore, battery failures can directly harm the driver. Furthermore, the top-lift method places high demands on the site for battery swap stations, requiring sufficient space for lifting equipment to transport and store batteries, resulting in high construction costs.

[0005] Therefore, for large vehicles, there is an urgent need for a safer, more reliable and easy-to-popularize battery swap mode. For example, a chassis-type battery swap mode for passenger cars is adopted. In the chassis-type battery swap mode, it is necessary to control the battery swap equipment to move as a whole to the battery swap position under the battery swap vehicle, and then perform lifting operations and remove or install battery pack operations to complete the entire battery swap process. In this battery swap process, due to the limited space under the body of the battery swap vehicle, especially heavy-duty battery swap vehicles that are difficult to drive and park on platforms above the ground, the space under the body of the battery swap vehicle is even more limited. If a battery swap device is used for battery swapping, the battery swap device needs to carry the depleted battery or the fully charged battery back and forth and in and out of the bottom of the battery swap vehicle during the battery swap process. In order to meet the power requirements of heavy-duty battery swap vehicles, the battery packs are very large, which leads to a great restriction on the available space for the battery swap equipment. At this time, if you want to increase the available space for the battery swapping equipment, you can only move the battery swapping equipment in the space sunken from the ground. Due to the multiple driving of heavy-duty battery swapping vehicles before and after battery swapping, the ground structure under this method will inevitably become unreliable and difficult to bear the multiple loads of the battery swapping vehicles, reducing the life of the equipment structure and posing a safety hazard to the battery swapping vehicles.

[0006] In addition, a battery swap station usually has a battery swap platform, which provides parking and battery swapping space for battery swapping vehicles. Battery swapping vehicles can enter from one end of the battery swapping platform and then park at the corresponding battery swapping position. At this battery swapping position, the battery swapping equipment can perform battery pack replacement operations. However, battery swapping vehicles are mostly driven by the driver based on experience and visual inspection to drive the battery swapping vehicle into the battery swapping platform. Therefore, most of the time, the battery swapping vehicle cannot be parked accurately at the battery swapping position, and the body of the battery swapping vehicle is often moved forward or backward relative to the battery swapping position, resulting in positional deviation between the battery pack and the battery swapping equipment. The driver needs to adjust the body position multiple times, which affects the normal battery swapping process of the battery swapping equipment and reduces the battery swapping efficiency. To solve the above problem, for lighter passenger cars, a translation mechanism is usually set on the battery swapping platform. The battery swapping vehicle is parked on the translation mechanism, and the battery swapping vehicle is adjusted forward and backward by the translation mechanism until the battery swapping position requirements are met. However, for large and heavy battery swapping vehicles such as light trucks and heavy trucks, the cost of setting a translation mechanism on the battery swapping platform to adjust the battery swapping vehicle is too high and the adjustment is difficult.

[0007] This shows that the many drawbacks of the prior art need to be further improved and enhanced. Summary of the Invention

[0008] The present application provides a battery swapping device and a battery swapping station, which realizes the battery disassembly and assembly operation of the battery swapping vehicle through the telescopic movement of the battery swapping device and the lifting and lowering movement of the battery swapping body. The battery swapping device and the battery swapping body have the functions of battery disassembly, installation and battery transportation, which can ensure the rapid and safe replacement of the battery pack, improve the battery swapping efficiency, and avoid the battery swapping device as a whole entering the bottom of the battery swapping vehicle and occupying the bottom space of the vehicle. The position of the battery swapping device can also be adjusted in a direction parallel to the body of the battery swapping vehicle through a sliding mechanism to ensure that the battery swapping device can be aligned with the battery pack under the battery swapping vehicle to realize the battery swapping process, solving at least one technical problem existing in the background technology.

[0009] The technical solutions adopted in this application are:

[0010] A battery exchange device comprises: a fixed support frame, a battery exchange body arranged between the support frames and capable of being raised and lowered, and a battery exchange device arranged in the battery exchange body and capable of being telescopically moved to the outside of the support frame. The battery disassembly and assembly operations of the battery exchange vehicle are realized through the telescopic movement of the battery exchange device and the lifting and lowering movement of the battery exchange body; the battery exchange body comprises a body, and a sliding mechanism is provided between the battery exchange device and the body to enable the battery exchange device to move relative to the body in a direction perpendicular to the telescopic direction.

[0011] In this technical solution, the battery-exchange body can be raised and lowered on the support frame to adjust the height of the battery-exchange device. When it is necessary to remove a low-charged battery from a battery-exchange vehicle or install a fully charged battery on the battery-exchange vehicle, the battery-exchange device is adjusted to a height position corresponding to the chassis of the battery-exchange vehicle by raising and lowering the battery-exchange body relative to the support frame, and then the battery-exchange device is extended, thereby realizing the battery disassembly and assembly operation of the battery-exchange vehicle. This application arranges the battery-exchange device in the compartment of the battery-exchange body so that the battery-exchange device is extended from the compartment to perform the operation of taking and placing the battery pack. When actually taking and placing the battery pack, the battery-exchange device only needs to be extended from the compartment and then enter under the chassis of the battery-exchange vehicle, avoiding the battery-exchange equipment as a whole from entering under the chassis of the battery-exchange vehicle and occupying the bottom space of the vehicle. Even if the battery-exchange vehicle is exchanging batteries on a battery-exchange platform flush with the ground, the bottom of the vehicle body can provide more operating space for the removal or installation of the battery pack, making the battery-exchange operation simpler and faster, and avoiding the reduction in life and safety hazards caused by digging a pit under the battery-exchange platform to create a sunken space on the ground. In addition, the extension and retraction direction of the battery swap device is the direction for realizing the battery pack disassembly and assembly operation. Therefore, the extension and retraction direction can be defined as the direction perpendicular to the body of the battery swap vehicle, so as to realize battery swapping from the side of the battery swap vehicle, which not only improves the efficiency of battery swapping, but also makes the battery swapping operation simpler and faster. On this basis, a sliding mechanism is provided between the battery swap device and the body, and the battery swap device is moved relative to the body in a direction perpendicular to the extension and retraction direction through the sliding mechanism. The direction perpendicular to the extension and retraction direction is a direction parallel to the body of the battery swap vehicle. When the driver parks the battery swap vehicle in front of or behind the battery swap position based on experience and visual observation and there is a deviation, the position of the battery swap device can be adjusted in a direction parallel to the body of the battery swap vehicle through the sliding mechanism, forming a way for the battery swap device to autonomously and faster find the battery pack on the battery swap vehicle, instead of the existing way in which the driver adjusts the body position multiple times to find the battery swap position. Moreover, adjusting the position of the battery swap device in a direction parallel to the body of the battery swap vehicle is easier to achieve, which can be achieved through the sliding mechanism. The structure is simple, which helps to reduce the difficulty of battery swapping, save the cost of battery swap stations, and improve the efficiency of battery swapping.

[0012] Preferably, the battery exchange device includes a telescopic mechanism arranged in the body and a battery exchange mechanism arranged on the telescopic mechanism, and the sliding mechanism is arranged between the telescopic mechanism and the battery exchange mechanism, so that the battery exchange mechanism moves on the telescopic mechanism in a direction perpendicular to the telescopic direction.

[0013] In the technical solution, the battery replacing device realizes telescopic movement relative to the compartment through the telescopic mechanism, the telescopic mechanism drives the battery replacing mechanism to extend out of the compartment and below the battery replacing vehicle, so as to disassemble the depleted battery from the battery replacing vehicle, and the telescopic mechanism drives the battery replacing mechanism to retreat into the compartment, so as to put the depleted battery on the battery replacing mechanism to the battery storage device in the battery replacing station for charging. Compared with the sliding mechanism arranged below the telescopic mechanism to drive the telescopic mechanism and the battery replacing mechanism to move together in a direction perpendicular to the telescopic direction, the sliding mechanism is arranged between the telescopic mechanism and the battery replacing mechanism in the present application, so that the sliding mechanism drives the battery replacing mechanism to move on the telescopic mechanism in a direction perpendicular to the telescopic direction. During the movement, the telescopic mechanism is in a relatively fixed state, the fewer components that move, the more conducive to improving the accuracy of movement, and the more conducive to optimizing the power structure and saving energy. Moreover, the sliding mechanism can be arranged in the space in the telescopic mechanism and the battery replacing mechanism, which helps to reduce the overall height of the battery replacing device, and the battery replacing device is more flat, so that the battery replacing device occupies less battery replacing space in the height during the battery replacing process, and the pressure on the battery replacing space below the battery replacing vehicle is smaller. Therefore, the adaptability to the battery replacing vehicles with different heights of chassis is higher, and more operation space is provided for disassembly or installation of the battery pack, so that the battery replacing operation is more convenient and fast.

[0014] Preferably, the battery replacing mechanism is arranged on the telescopic mechanism through a bracket; along the telescopic direction of the telescopic mechanism, the bracket comprises two cross beams arranged side by side, the cross beams are perpendicular to the telescopic direction of the telescopic mechanism, and the two cross beams are connected through two longitudinal beams; and the battery replacing mechanism is arranged in a space surrounded by the two cross beams and the two longitudinal beams.

[0015] In the technical solution, the bracket is arranged as a rectangular frame structure composed of two cross beams and two longitudinal beams, which is simple in structure and facilitates installation of the battery replacing mechanism. On the basis of ensuring the structural strength and bearing capacity, the bracket is light in weight, the overall weight of the battery replacing device is reduced, the telescopic mechanism is relieved, the battery replacing mechanism is arranged in the space below the bracket, the overall height of the battery replacing mechanism is reduced, the battery replacing device is more flat, and the adaptability to the battery replacing vehicles with different heights of chassis is improved.

[0016] Preferably, the two ends of the cross beam are connected with a hanging ear plate, the cross beam is sunken relative to the hanging ear plate, and the hanging ear plate is hung and fixed on the top of the telescopic mechanism.

[0017] In the technical solution, the two ends of the cross beam are connected with the hanging ear plates, which improves the convenience of mounting the bracket on the telescopic mechanism, especially for the fork-type telescopic mechanism, the two ends of the hanging ear plates can be directly hung and fixed on the top of the two forks. Moreover, compared with the flat plate structure or the upper convex structure of the bracket, the cross beam is sunken relative to the hanging ear plate in the present solution, so that the cross beam is lower than the hanging ear plate and the top surface of the telescopic mechanism, and the battery replacing mechanism is arranged in the space surrounded by the two cross beams and the two longitudinal beams, thereby also helping to reduce the height of the battery replacing mechanism on the telescopic mechanism.

[0018] Preferably, the battery replacing mechanism is mounted on the two cross beams; the sliding mechanism comprises a sliding drive motor and a gear and rack mechanism, the gear of the gear and rack mechanism is in transmission connection with the output shaft of the sliding drive motor, and the rack of the gear and rack mechanism is mounted on the cross beam.

[0019] In the technical solution, the sliding mechanism comprises a sliding drive motor and a gear and rack mechanism, and the stability and precision of the sliding mechanism during movement of the battery replacing mechanism can be improved by using the reliability of the gear and rack mechanism transmission. When the sliding drive motor operates, the gear moves along the rack, thereby driving the sliding mechanism to move.

[0020] Preferably, the gear of the gear and rack mechanism comprises a first driving gear and a first driven gear, the first driving gear is in transmission connection with the output shaft of the sliding drive motor, and the first driven gear is in meshing with the first driving gear and the rack respectively, so as to drive the battery replacing mechanism to move by the sliding drive motor.

[0021] In the technical solution, compared with the transmission mode of setting a gear between the sliding drive motor and the rack, the sliding drive motor is in transmission with the rack through the first driving gear and the first driven gear, which helps to appropriately reduce the size of the gear and rack mechanism, reduce the installation space occupied, and is beneficial to the compactness, miniaturization and flattening of the battery replacing mechanism.

[0022] Preferably, the rack and the first driven gear are provided with two respectively, the two racks are arranged on the inner side walls of the two cross beams respectively, the two first driven gears are in transmission connection with the sliding drive motor through a synchronous shaft, the synchronous shaft is connected with the battery replacing mechanism, and the sliding drive motor is connected above the rack on the inner side.

[0023] In this technical solution, the two first driven gears are connected by a synchronous shaft, which is connected to the power-swapping mechanism. When the sliding drive motor drives the first driving gear on one side to rotate, the first driven gear meshing with the first driving gear and the synchronous shaft drive the first driven gears and racks on both sides to operate synchronously. The first driven gears on both sides drive the power-swapping mechanism to move together at both ends of the power-swapping mechanism, making the force on the power-swapping mechanism more balanced and the movement more stable and reliable. The two first driven gears are driven by the synchronous shaft, which occupies a small height space and helps to reduce the height of the power-swapping mechanism.

[0024] Preferably, the battery exchange mechanism includes a support plate arranged in the sinking space of the bracket and a battery tray connected to the support plate. The support plate is provided with a sinking groove. The battery tray can be floated above the sinking groove through an elastic member. The gear of the rack and pinion mechanism is connected to the support plate to drive the battery exchange mechanism to move.

[0025] In this technical solution, the support plate is arranged in the sunken space of the bracket, and the other components of the battery swap mechanism can be installed on the support plate as a whole, and the sliding drive motor is fixedly connected to the support plate to drive the battery swap mechanism to move. Therefore, the sliding drive motor drives the movement of one component of the support plate to drive the entire battery swap mechanism to move through the support plate, which optimizes the transmission structure and also helps to improve the stability of the moving stroke of the battery swap mechanism. The support plate is provided with a sinking groove, and the battery tray can be floated above the sinking groove through an elastic member, which reduces the overall height of the battery tray on the support plate, making the overall thickness of the battery swap mechanism smaller and flatter, and taking up less battery swap space in height, further improving the adaptability to battery swap vehicles with chassis of different heights. The elastic member on the support plate makes the battery tray have a floating characteristic, which allows the battery tray to adapt to the shape and state of different battery swap vehicle chassis and maintain fit with the bottom of the vehicle, thereby achieving stable support for the battery pack and further improving the stability and safety during the battery swap process.

[0026] Preferably, the support plate includes hanging parts at both ends and supporting parts connecting the hanging parts at both ends, the supporting parts are sunken below the hanging parts as a whole to form the sinking groove, and the hanging parts are respectively mounted on the two beams.

[0027] In this technical solution, a hooking part is provided at both ends of the support plate, which improves the convenience of installing the support plate on the bracket. The hooking parts at both ends can be directly hooked to the crossbeams at both ends of the bracket. In addition, a sliding drive motor and other structures can be installed on the inner hooking part to ensure that the sliding drive motor is close to the rack located on the crossbeam, so that the sliding drive motor and the gear rack mechanism can be transmitted at a close distance, thereby improving the compactness of the structure. In addition, when the sliding drive motor is arranged on the hooking part on the inner side of the support plate, the whole is located on the inner side of the battery tray. The battery exchange mechanism only needs to extend the battery tray under the battery exchange vehicle to exchange the battery. The sliding drive motor does not need to be extended under the vehicle. It will not interfere with the body of the battery exchange vehicle on the outside of the vehicle body, thereby avoiding occupying the space under the vehicle body.

[0028] Preferably, the support plate is provided with at least one group of unloading drive mechanisms for driving the battery tray to move along the telescopic direction, the unloading drive mechanism is connected to a transmission plate, the transmission plate is arranged in the sinking groove, and the elastic member is arranged on the top surface of the transmission plate. The unloading drive mechanism drives the battery tray to move through the transmission plate to achieve locking and unlocking of the battery pack.

[0029] In this technical solution, the unloading drive mechanism drives the battery tray to move through the transmission plate to achieve locking and unlocking of the battery pack, so that the battery swap mechanism can automatically unlock or lock the battery pack under the battery swap vehicle. The telescopic mechanism is only used to enter and exit under the vehicle body. The locking and unlocking of the battery pack is achieved by the unloading drive mechanism extending into the bottom of the vehicle body, which optimizes the source of power. When the battery pack is locked and unlocked by the unloading drive mechanism, the telescopic mechanism is in a stationary state. The unloading drive mechanism only needs to drive the battery tray to move horizontally to unlock the battery pack. The locking and unlocking process is more stable and more accurate. The setting of the transmission plate not only facilitates the unloading drive mechanism to drive the battery tray to move, but also facilitates the arrangement of multiple elastic members between the transmission plate and the battery tray, thereby improving the stability of the battery tray floating up and down.

[0030] Preferably, the unloading drive mechanism includes an unloading drive motor provided on the hanging portion on the inner side of the support plate and a transmission mechanism connected between the unloading drive motor and the transmission plate, the transmission mechanism includes a gear mechanism and a screw-nut motion pair, the output shaft of the unloading drive motor, the gear mechanism and the screw of the screw-nut motion pair are sequentially connected in transmission, and the nut of the screw-nut motion pair is connected to the transmission plate.

[0031] In this technical solution, the unloading drive mechanism drives the transmission plate to move through the transmission of the gear mechanism and the screw-nut motion pair. The reliability of the transmission of the gear mechanism and the screw-nut motion pair can be used to improve the stability and accuracy of the unloading drive mechanism in driving the transmission plate to move, optimize the battery pack locking and unlocking process, and enable the battery pack to be locked and unlocked smoothly. The unloading drive motor is arranged on the hanging part on the inner side of the tray, and is located on the inner side of the battery tray as a whole. The battery swap mechanism only needs to extend the battery tray under the battery swap vehicle to swap the battery. The unloading drive motor does not need to be extended under the vehicle. It runs on the outside of the vehicle body without interfering with the body of the battery swap vehicle, avoiding occupying the space under the vehicle body. The unloading drive mechanism only needs to extend the screw and nut under the transmission plate to realize transmission. The screw and nut occupy a small height space, which helps to reduce the height of the transmission plate and the battery tray on the transmission plate.

[0032] Preferably, the gear mechanism includes a second driving gear and a second driven gear meshing with each other, the second driving gear is transmission-connected to the output shaft of the assembly and disassembly drive motor, and the second driven gear is transmission-connected to the lead screw.

[0033] In this technical solution, compared with the method of setting a gear between the unloading drive motor and the screw to achieve transmission, the unloading drive motor achieves transmission through the second driving gear and the second driven gear and the screw, which helps to appropriately reduce the size of the gear mechanism and reduce the installation space it occupies, which is conducive to the compact, miniaturized and flat structure of the battery replacement mechanism.

[0034] Preferably, two groups of the unloading drive mechanisms are provided on the supporting plate; along the direction perpendicular to the telescopic direction, the two groups of the unloading drive mechanisms are arranged on both sides of the sliding mechanism.

[0035] In this technical solution, two sets of unloading drive mechanisms synchronously drive the battery tray on either side of the pallet. Each set of unloading drive mechanisms corresponds to a transmission plate. Together, these two transmission plates support the battery tray, creating a large support surface and high stability for the battery pack. This balances the forces acting on the battery tray, making the two unloading drive mechanisms more stable and reliable. The two unloading drive mechanisms are arranged on either side of the sliding mechanism, fully utilizing the mounting space on the pallet, balancing the forces acting on the pallet and improving structural stability.

[0036] Preferably, a first guide mechanism is provided between the hanging portion and the crossbeam, the first guide mechanism comprising a first guide rail provided on the crossbeam and a first slider provided on the hanging portion; and / or, a second guide mechanism is provided between the support plate and the transmission plate, the second guide mechanism comprising a second guide rail provided on the support plate and a second slider provided on the transmission plate.

[0037] In the technical solution, the first guide mechanism guides the movement of the battery changing mechanism driven by the sliding drive motor in the vertical direction of the extension direction, improves the smoothness of the overall movement of the battery changing mechanism, and reduces the mechanism jamming; the second guide mechanism guides the movement of the transmission plate and the battery tray driven by the dismounting drive motor in the extension direction, improves the smoothness of the movement of the battery tray, reduces the jamming, and improves the smoothness of the battery pack locking and unlocking.

[0038] Preferably, the battery tray comprises a battery bearing part and a reinforcing part, the battery bearing part extends in the horizontal direction, and the reinforcing part is arranged at one end of the battery bearing part close to the support frame and extends upward, so that the overall battery tray is in an L-shaped structure.

[0039] In the technical solution, the battery bearing part extends in the horizontal direction and can be used to stably bear the battery pack, and the reinforcing part extends upward, so that the overall battery tray is in an L-shaped structure. The L-shaped structure has higher strength and stability than the flat plate structure, and has stronger pressure bearing capacity, which helps to prolong the service life of the battery tray.

[0040] Preferably, the battery bearing part is provided with a battery positioning pin, which is used to cooperate with the positioning hole on the battery pack to realize the positioning of the battery pack on the battery tray, so as to drive the battery pack to move synchronously when the battery pack is locked and unlocked.

[0041] In the technical solution, the positioning pin arranged on the battery bearing part can ensure the correct position of the battery pack during the battery changing process, prevent the battery pack from deviating during the transfer process and the locking and unlocking process, and improve the accuracy and safety of the battery changing. In addition, through the cooperation of the battery positioning pin and the battery pack, a positioning and clamping effect is generated on the battery pack, so as to facilitate the synchronous movement of the battery tray and the battery pack, and also make the battery pack more capable of bearing the unlocking force and improve the stability of the battery unlocking.

[0042] Preferably, a plurality of mounting holes are arranged on the battery bearing part in the vertical direction of the extension direction, and the battery positioning pin is detachably mounted in any one or any multiple of the mounting holes.

[0043] In the technical solution, the plurality of mounting holes can spare a spare mounting hole for adjusting the position of the battery positioning pin. The battery positioning pin is detachable, and can be adjusted and mounted in the mounting hole at the best position according to the position of the battery pack during the actual battery changing process, so as to ensure the effective cooperation of the battery positioning pin and the positioning hole on the battery pack.

[0044] Preferably, the battery changing mechanism further comprises a plurality of unlocking pins arranged on the battery bearing part in a liftable manner and a lifting drive mechanism fixed to the bottom surface of the battery bearing part and used to drive the unlocking pins to lift.

[0045] In this technical solution, the unlocking pin can be driven up and down by a lifting drive mechanism. Therefore, the lifting and lowering of the unlocking pin required for the unlocking process of the battery pack on the battery swapping vehicle can be achieved by the lifting drive mechanism. Therefore, the lifting of the unlocking pin can be independent of the lifting of the battery swapping body. The lifting of the battery swapping body is used to adjust the height position of the battery swapping device relative to the chassis of the battery swapping vehicle. After adjustment, the telescopic mechanism drives the battery swapping mechanism to extend under the battery swapping vehicle, and then the lifting drive mechanism drives the unlocking pin to unlock and unlock. During the unlocking process, the battery swapping body and the battery tray are in a relatively fixed state. The fewer moving parts, the more helpful it is to improve the accuracy of the unlocking pin lifting and lowering, improve the reliability of unlocking and unlocking, thereby improving the safety and efficiency of the battery swapping process, and increasing the flexibility of the battery swapping equipment, making the battery pack replacement process more efficient and safe. The setting of multiple unlocking pins can match the technology of setting multiple battery pack locking mechanisms on the battery swapping vehicle, so as to achieve synchronous action of the battery pack locking mechanism to achieve unlocking.

[0046] Preferably, along a direction perpendicular to the telescopic direction, two unlocking pins are provided at each end of the battery carrying portion; and the two unlocking pins located at the same end of the battery carrying portion are driven to rise and fall synchronously by one lifting drive mechanism.

[0047] In this technical solution, the unlocking pins at both ends of the battery carrier can correspond to different levels of locking and unlocking. For example, the unlocking pin on one end corresponds to level one locking and unlocking, while the unlocking pin on the other end corresponds to level two locking and unlocking. Level one and level two locking and unlocking can be completed simultaneously. The two unlocking pins at the same end of the battery carrier are driven by a lifting drive mechanism to rise and fall synchronously, simplifying the drive structure and improving the synchronization of locking and unlocking.

[0048] Preferably, the two unlocking pins located at the same end of the battery carrying part are arranged at intervals along the telescopic direction; the lifting drive mechanism includes an electric push rod, a connecting rod and a transmission rod corresponding to the two unlocking pins one by one, the connecting rod is connected to the electric push rod, and the two ends of the transmission rod are respectively hinged to the connecting rod and the unlocking pin, and the electric push rod drives the connecting rod to translate along the telescopic direction and the transmission of the transmission rod to drive the two unlocking pins to move up and down.

[0049] In this technical solution, when the electric push rod drives the connecting rod to translate, the connecting rod drives all the transmission rods to rotate relative to the connecting rod, so that the transmission rod drives the unlocking pin to move up and down, making the lifting and lowering movement of the unlocking pin stable and reliable, thereby improving the unlocking efficiency.

[0050] Preferably, a mounting frame corresponding to the lifting drive mechanism is provided at the bottom of the battery carrying portion, the electric push rod is installed on the mounting frame and drives the connecting rod to translate along the telescopic direction within the mounting frame, and the mounting frame is provided with a first guide structure for guiding the translation of the connecting rod and a second guide structure for guiding the lifting and lowering movement of the unlocking pin.

[0051] In this technical solution, the mounting frame is installed at the bottom of the battery tray, serving as the supporting structure for the lift drive mechanism. This improves the portability of the lift drive mechanism assembly and allows the lift drive mechanism to rise and fall with the battery tray. The first guide structure guides the connecting rod for stable and smooth translation, while the second guide structure guides the release pin for stable and smooth movement.

[0052] Preferably, the battery replacement device further includes a battery detection unit located below the battery carrying portion, the battery carrying portion is provided with a detection hole, and the battery detection unit detects whether the battery pack on the battery tray has status information through the detection hole.

[0053] In this technical solution, the status information of the battery pack on the battery tray can be detected to ensure that the battery replacement process is stable and orderly. The status information of the battery pack on the battery tray can also be transmitted to the control unit of the battery replacement equipment to monitor the battery replacement process and perform timely maintenance when a fault occurs.

[0054] The battery swap station provided in the present application includes a battery swap channel for accommodating battery swapping of electric vehicles, and also includes the battery swap equipment as described above. The battery swap equipment is arranged on at least one side of the battery swap channel along the direction perpendicular to the direction of travel of the electric vehicle in the battery swap channel.

[0055] In this technical solution, since the battery swap station adopts the above-mentioned battery swap equipment, it can ensure the rapid and safe replacement of battery packs, improve the battery swap efficiency, and avoid the battery swap equipment as a whole entering the bottom of the battery swap vehicle and the battery compartment, thereby occupying the space under the vehicle and the space inside the battery compartment, thereby optimizing the entire battery swap process.

[0056] Due to the adoption of the above technical solution, the technical effect achieved by this application is that the battery-exchange body can be raised and lowered on the support frame to adjust the height of the battery-exchange device. When it is necessary to remove a low-charged battery from a battery-exchange vehicle or install a fully charged battery on a battery-exchange vehicle, the battery-exchange device is adjusted to a height position corresponding to the chassis of the battery-exchange vehicle by raising and lowering the battery-exchange body relative to the support frame, and then the battery-exchange device is extended, thereby realizing the battery disassembly and assembly operation of the battery-exchange vehicle. This application arranges the battery-exchange device in the battery-exchange body so that the battery-exchange device extends from the battery-exchange body to perform the operation of taking and placing the battery pack. When actually taking and placing the battery pack, it is only necessary to extend the battery-exchange device from the battery-exchange body and then enter under the chassis of the battery-exchange vehicle, avoiding the battery-exchange equipment as a whole from entering under the chassis of the battery-exchange vehicle and occupying the bottom space of the vehicle. Even if the battery-exchange vehicle is exchanging batteries on a battery-exchange platform flush with the ground, the bottom of its body can provide more operating space for the removal or installation of the battery pack, making the battery-exchange operation simpler and faster, and avoiding the reduction in life and safety hazards caused by digging a pit under the battery-exchange platform to create a sunken space on the ground. In addition, the extension and retraction direction of the battery swap device is the direction for realizing the battery pack disassembly and assembly operation. Therefore, the extension and retraction direction can be defined as the direction perpendicular to the body of the battery swap vehicle, so as to realize battery swapping from the side of the battery swap vehicle, which not only improves the efficiency of battery swapping, but also makes the battery swapping operation simpler and faster. On this basis, a sliding mechanism is provided between the battery swap device and the body, and the battery swap device is moved relative to the body in a direction perpendicular to the extension and retraction direction through the sliding mechanism. The direction perpendicular to the extension and retraction direction is a direction parallel to the body of the battery swap vehicle. When the driver parks the battery swap vehicle in front of or behind the battery swap position based on experience and visual observation and there is a deviation, the position of the battery swap device can be adjusted in a direction parallel to the body of the battery swap vehicle through the sliding mechanism, forming a way for the battery swap device to autonomously and faster find the battery pack on the battery swap vehicle, instead of the existing way in which the driver adjusts the body position multiple times to find the battery swap position. Moreover, adjusting the position of the battery swap device in a direction parallel to the body of the battery swap vehicle is easier to achieve, which can be achieved through the sliding mechanism. The structure is simple, which helps to reduce the difficulty of battery swapping, save the cost of battery swap stations, and improve the efficiency of battery swapping. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0058] Figure 1 The main view of the battery swapping equipment provided for this application;

[0059] Figure 2 This is an assembly diagram of the battery swap body and the battery swap device provided in this application, which shows the battery swap device extending from the battery swap body;

[0060] Figure 3 This is an assembly diagram of the compartment and the battery-swapping device provided in this application, showing the battery-swapping device extending from the compartment;

[0061] Figure 4 Assembly of the battery replacement device provided in this application Figure 1 ;

[0062] Figure 5 Assembly of the battery replacement device provided in this application Figure 2 ;

[0063] Figure 6 Assembly of the battery replacement device provided in this application Figure 3 ;

[0064] Figure 7 Assembly of the battery replacement device provided in this application Figure 4 , which shows the battery tray removed from the transmission plate;

[0065] Figure 8 Assembly diagram of the bracket and slide mechanism provided for this application;

[0066] Figure 9 A schematic diagram of the structure of the bracket provided for this application;

[0067] Figure 10 A schematic diagram of the structure of the support plate provided for this application;

[0068] Figure 11 Assembly drawing of the pallet and loading and unloading drive mechanism provided for this application;

[0069] Figure 12 An assembly diagram of the support plate and the first guide mechanism provided in this application;

[0070] Figure 13 Assembly drawing of the battery tray and lifting drive mechanism provided for this application;

[0071] Figure 14 for Figure 13 A partial enlarged view of the structure at point A in the middle;

[0072] Figure 15 An assembly diagram of the lifting drive mechanism and unlocking pin provided in this application;

[0073] Figure 16 This is a simplified structural diagram of the first embodiment of the battery swap station provided in this application;

[0074] Figure 17 This is a simplified structural diagram of the second embodiment of the battery swap station provided in this application.

[0075] List of parts and reference numerals:

[0076] 1 Support frame, 2 Battery exchange body, 21 Carriage, 22 Moving assembly, 23 Roller, 3 Battery exchange device, 31 Telescopic mechanism, 32 Battery exchange mechanism, 321 Support plate, 3211 Sinking trough, 3212 Hanging part, 3213 Supporting part, 3214 Rotating hole, 322 Battery tray, 3221 Battery bearing part, 3222 Reinforcement part, 3223 Mounting hole, 3224 Detection hole, 323 Elastic part, 324 Battery positioning pin, 325 Unlocking pin, 326 Lifting drive mechanism, 3261 Electric push rod, 3262 Connecting rod, 3263 Transmission rod, 3264 First guide protrusion, 3265 Second guide protrusion, 327 Mounting frame, 3 271 horizontal guide slide hole, 3272 vertical guide slide hole, 33 unloading drive mechanism, 331 unloading drive motor, 332 gear mechanism, 3321 second driving gear, 3322 second driven gear, 333 screw-nut motion pair, 3331 screw, 3332 nut, 34 transmission plate, 4 sliding mechanism, 41 sliding drive motor, 42 rack, 43 first driving gear, 44 first driven gear, 45 synchronous shaft, 5 bracket, 51 crossbeam, 52 longitudinal beam, 53 mounting ear plate, 6 first guide mechanism, 61 first guide rail, 62 first slider, 7 second guide mechanism, 71 second guide rail, 72 second slider, 8 power exchange channel. DETAILED DESCRIPTION

[0077] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0078] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0079] In this application, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0080] In this application, unless otherwise expressly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0081] In the embodiments of this application, a battery swap device and a battery swap station are provided. For ease of explanation and understanding, the following contents provided in this application are all explained based on the illustrated product structure. Of course, those skilled in the art will understand that the above structure is only a specific example and schematic description and does not constitute a specific limitation on the technical solution provided in this application.

[0082] like Figures 1 to 15 As shown, a battery exchange device 100 provided in the present application includes: a fixed support frame 1, a battery exchange body 2 arranged between the support frames 1 and capable of being raised and lowered, and a battery exchange device 3 arranged in the battery exchange body 2 and capable of being telescopically moved to the outside of the support frame 1. The battery disassembly and assembly operation of the battery exchange vehicle is realized through the telescopic movement of the battery exchange device 3 and the lifting and lowering movement of the battery exchange body 2; the battery exchange body 2 includes a compartment 21, and a sliding mechanism 4 is provided between the battery exchange device 3 and the compartment 21, so that the battery exchange device 3 can move relative to the compartment 21 in a direction perpendicular to the telescopic direction.

[0083] In this technical solution, the support frame 1 is the overall outer frame of the battery swap device 100, supporting all components of the battery swap device 100. The battery swap body 2 can be raised and lowered on the support frame 1 to adjust the height of the battery swap device 3. When it is necessary to remove a low-charged battery from a battery swap vehicle or install a fully charged battery on a battery swap vehicle, the battery swap device 3 is adjusted to a height position corresponding to the chassis of the battery swap vehicle by raising and lowering the battery swap body 2 relative to the support frame 1, and then the battery swap device 3 is extended, thereby realizing the battery disassembly and assembly operation of the battery swap vehicle. In a preferred embodiment, as Figure 1 and Figure 2As shown, the battery exchange body 2 can be connected to the support frame 1 through the mobile component 22, and the body 21 of the battery exchange body 2 can be rotatably connected to the mobile component 22. By rotating the body 21, the orientation of the battery exchange device 3 can be adjusted to facilitate telescopic movement to perform battery disassembly and assembly operations and / or battery transfer operations. Specifically, the mobile component 22 can use a frame structure with rollers 23, and the body 21 is rotatably connected to the bottom of the frame structure. The frame structure is lifted and lowered by rolling along the support frame 1 through the rollers 23.

[0084] The present application arranges the battery exchange device 3 in the compartment 21 of the battery exchange body 2 so that the battery exchange device 3 extends from the compartment 21 to perform the operation of taking and placing the battery pack. When actually taking and placing the battery pack, the battery exchange device 3 only needs to extend from the compartment 21 and enter under the chassis of the battery exchange vehicle, avoiding the battery exchange equipment 100 as a whole entering under the chassis of the battery exchange vehicle and occupying the bottom space of the vehicle. Even if the battery exchange vehicle exchanges batteries on a battery exchange platform flush with the ground, the bottom of its vehicle body can provide more operating space for the disassembly or installation of the battery pack, making the battery exchange operation simpler and faster, and avoiding the reduction in life and safety hazards caused by digging a pit under the battery exchange platform to create a sunken space on the ground.

[0085] In addition, the telescopic direction of the battery swap device 3 is the direction for realizing the battery pack disassembly and assembly operation. Therefore, the telescopic direction can be defined as the direction perpendicular to the body of the battery swap vehicle, realizing battery swapping from the side of the battery swap vehicle, which not only improves the efficiency of battery swapping, but also makes the battery swapping operation simpler and faster. On this basis, a sliding mechanism 4 is provided between the battery swap device 3 and the compartment 21. The sliding mechanism 4 is used to move the battery swap device 3 relative to the compartment 21 in a direction perpendicular to the telescopic direction. The direction perpendicular to the telescopic direction is a direction parallel to the body of the battery swap vehicle. When the driver parks the battery swap vehicle in front of or behind the battery swap position based on experience and visual observation and a deviation occurs, the position of the battery swap device 3 can be adjusted by the sliding mechanism 4 in a direction parallel to the body of the battery swap vehicle, forming a way for the battery swap device 3 to autonomously and faster find the battery pack on the battery swap vehicle, instead of the existing way in which the driver adjusts the body position multiple times to find the battery swap position. Moreover, adjusting the position of the battery swap device 3 in a direction parallel to the body of the battery swap vehicle is easier to achieve, which can be achieved through the sliding mechanism 4. The structure is simple, which helps to reduce the difficulty of battery swapping, save the cost of battery swap stations, and improve the efficiency of battery swapping.

[0086] As a preferred embodiment of the present application, Figure 3As shown, the battery-exchanging device 3 includes a telescopic mechanism 31 provided in the compartment 21 and a battery-exchanging mechanism 32 provided on the telescopic mechanism 31. The sliding mechanism 4 is provided between the telescopic mechanism 31 and the battery-exchanging mechanism 32, so that the battery-exchanging mechanism 32 moves on the telescopic mechanism 31 in a direction perpendicular to the telescopic direction. In this technical solution, the battery-exchanging device 3 realizes telescopic movement relative to the compartment 21 through the telescopic mechanism 31. The telescopic mechanism 31 drives the battery-exchanging mechanism 32 to extend out of the compartment 21 and extend under the battery-exchanging vehicle to remove the deflated battery from the battery-exchanging vehicle, and drives the battery-exchanging mechanism 32 back into the compartment 21 through the contraction of the telescopic mechanism 31, so that the deflated battery on the battery-exchanging mechanism 32 can be placed in the battery compartment for charging. Specifically, the telescopic mechanism 31 preferably uses a fork, which is convenient for extension and retraction and also convenient for assembly of the battery-exchanging device 3. In addition, compared with setting the sliding mechanism below the telescopic mechanism and driving the telescopic mechanism and the battery-exchanging mechanism to move in a direction perpendicular to the telescopic direction, the present application sets the sliding mechanism 4 between the telescopic mechanism 31 and the battery-exchanging mechanism 32, so that the sliding mechanism 4 drives the battery-exchanging mechanism 32 to move on the telescopic mechanism 31 in a direction perpendicular to the telescopic direction. During the movement, the telescopic mechanism 31 is in a relatively fixed state. The fewer moving parts, the more helpful it is to improve the accuracy of the movement, and it also helps to optimize the power structure and save energy. Moreover, the sliding mechanism 4 can be set not below the telescopic mechanism 31, but in the space within the telescopic mechanism 31 and the battery-exchanging mechanism 32. This setting method helps to reduce the overall height of the battery-exchanging device 3. The battery-exchanging device 3 is flatter, and the battery-exchanging space it occupies in height during the battery-exchanging process is smaller, and the pressure on the battery-exchanging space below the battery-exchanging vehicle is smaller. Therefore, it is more adaptable to battery-exchanging vehicles with chassis of different heights, and provides more operating space for the disassembly or installation of the battery pack, making the battery-exchanging operation simpler and faster.

[0087] More preferably, Figures 3 to 9As shown, the battery exchange mechanism 32 is arranged on the telescopic mechanism 31 through the bracket 5; along the telescopic direction of the telescopic mechanism 31, the bracket 5 includes two cross beams 51 arranged side by side, the cross beams 51 are perpendicular to the telescopic direction of the telescopic mechanism 31, and the two cross beams 51 are connected by two longitudinal beams 52. The battery exchange mechanism 32 is arranged in the space enclosed by the two cross beams 51 and the two longitudinal beams 52. Those skilled in the art will understand that the battery pack itself is a heavy structure, and coupled with the weight of the bracket 5, extremely high requirements are placed on the load-bearing stability of the telescopic mechanism 31. The telescopic mechanism 31 must not only meet the stability of the battery pack load, but also reduce the load on the telescopic mechanism 31 as much as possible. Therefore, the bracket 5 is not suitable for being made into a whole solid structure. Therefore, in the present technical solution, the bracket 5 is set as a rectangular frame structure composed of two cross beams 51 and two longitudinal beams 52. The structure is simple, which facilitates the installation of the battery swap mechanism 32. On the basis of ensuring structural strength and load-bearing capacity, it helps to reduce the weight of the bracket 5 and reduce the overall weight of the battery swap device 3, thereby helping to reduce the load on the telescopic mechanism 31. Moreover, the battery swap mechanism 32 is arranged in the space enclosed by the two cross beams 51 and the two longitudinal beams 52, so that the battery swap mechanism 32 utilizes the space below the bracket 5. Compared with the battery swap mechanism 32 being higher than the bracket 5 as a whole, it also helps to reduce the overall height of the battery swap mechanism 32, making the battery swap device 3 flatter and improving the adaptability to battery swap vehicles with chassis of different heights.

[0088] In a preferred embodiment, if Figure 9 As shown, the two ends of the crossbeam 51 are connected with mounting lugs 53. The crossbeam 51 is sunken relative to the mounting lugs 53, and the mounting lugs 53 are mounted and fixed on the top of the telescopic mechanism 31. In this technical solution, the mounting lugs 53 at both ends of the crossbeam 51 improve the convenience of installing the bracket 5 on the telescopic mechanism 31. In particular, for the fork-type telescopic mechanism 31, the mounting lugs 53 at both ends can be directly mounted and fixed on the tops of the two forks. Specifically, the mounting lugs 53 and the telescopic mechanism 31 can also be strongly fixed by bolts to improve stability. Moreover, compared with setting the bracket 5 as a flat plate structure or an upper convex structure, this solution sinks the crossbeam 51 relative to the mounting lugs 53, so that the crossbeam 51 as a whole is lower than the mounting lugs 53, and further lower than the top surface of the telescopic mechanism 31. The battery-changing mechanism 32 is arranged in the space enclosed by the two crossbeams 51 and the two longitudinal beams 52, which also helps to reduce the height of the battery-changing mechanism 32 on the telescopic mechanism 31.

[0089] In a preferred embodiment, if Figures 3 to 8As shown, the power-exchange mechanism 32 is mounted on two crossbeams 51; the sliding mechanism 4 includes a sliding drive motor 41 and a rack-and-pinion mechanism. The gear of the rack-and-pinion mechanism is connected to the output shaft of the sliding drive motor 41, and the rack 42 of the rack-and-pinion mechanism is mounted on the crossbeam 51. Specifically, the rack 42 of the rack-and-pinion mechanism can be mounted on the crossbeam 51 by welding or bolting. When the sliding drive motor 41 is running, the gear meshes along the rack 42 and drives the sliding mechanism 4 to move. The reliability of the rack-and-pinion mechanism transmission can be used to improve the stability and accuracy of the sliding mechanism 4 in driving the power-exchange mechanism 32 to move.

[0090] Specifically, the rack and pinion mechanism may include a gear that transmits power between the sliding drive motor 41 and the rack 42. However, the diameter of this gear is relatively large, which occupies more horizontal space and height space, and is not conducive to the flattening of the power exchange mechanism 32. Therefore, preferably, as Figure 8 As shown, the gears of the rack and pinion mechanism include a first driving gear 43 and a first driven gear 44. The first driving gear 43 is connected to the output shaft of the sliding drive motor 41, and the first driven gear 44 is respectively engaged with the first driving gear 43 and the rack 42, thereby driving the battery exchange mechanism 32 to move through the sliding drive motor 41. Compared with the method of setting a gear between the sliding drive motor 41 and the rack 42 to achieve transmission, the sliding drive motor 41 achieves transmission through the first driving gear 43 and the first driven gear 44 and the rack 42, which helps to appropriately reduce the size of the rack and pinion mechanism and reduce the installation space it occupies, which is conducive to the compact, miniaturized and flat structure of the battery exchange mechanism 32. When the sliding drive motor 41 is driven, it drives the first driving gear 43 to rotate, and the first driving gear 43 drives the first driven gear 44 to rotate and move along the rack 42, thereby driving the battery exchange mechanism 32 to move. The movement of the battery exchange mechanism 32 will drive the sliding drive motor 41 and the first driving gear 43 to follow, ensuring that the first driving gear 43 and the first driven gear 44 are stably engaged and transmitted.

[0091] More preferably, Figure 7 and Figure 8As shown, there are two racks 42 and two first driven gears 44, respectively. The two racks 42 are respectively provided on the inner side walls of the two crossbeams 51. The two first driven gears 44 are connected to the sliding drive motor 41 through a synchronous shaft 45. The synchronous shaft 45 is connected to the power exchange mechanism 32, and the sliding drive motor 41 is connected to the upper part of the inner rack 42. It should be noted that when the telescopic mechanism 31 is extended relative to the body 21, the crossbeam 51 of the bracket 5 close to the body 21 is the inner crossbeam 51. Therefore, the inner rack 42 refers to the rack 42 connected to the crossbeam 51 on the inner side of the bracket 5. In this technical solution, the two first driven gears 44 are connected by a synchronization shaft 45, and the synchronization shaft 45 is connected to the power exchange mechanism 32. When the sliding drive motor 41 drives the first driving gear 43 on one side to rotate, the first driven gear 44 meshing with the first driving gear 43 and the synchronization shaft 45 drive the first driven gears 44 and the rack 42 on both sides to operate synchronously. The first driven gears 44 on both sides of the power exchange mechanism 32 drive the power exchange mechanism 32 to move together, and the power exchange mechanism 32 is more balanced in force, and the movement stroke is more stable and reliable. In addition, the two first driven gears 44 are driven by the synchronization shaft 45, and the synchronization shaft 45 occupies a small height space, which helps to reduce the height of the power exchange mechanism 32.

[0092] In a preferred embodiment, if Figure 7 and Figure 12 As shown, a first guide mechanism 6 is provided between the hook portion 3212 and the crossbeam 51. The first guide mechanism 6 includes a first guide rail 61 provided on the crossbeam 51 and a first slider 62 provided on the hook portion 3212. The first guide mechanism 6 guides the movement of the power-exchanging mechanism 32 in the vertical direction along the telescopic direction driven by the sliding drive motor 41, thereby improving the smoothness of the overall movement of the power-exchanging mechanism 32 and reducing the jamming of the mechanism.

[0093] Regarding the specific structure of the battery replacement mechanism 32, in a preferred embodiment, as shown in FIG. Figures 4 to 7 as well as Figure 10 and Figure 11As shown, the battery exchange mechanism 32 includes a support plate 321 provided in the sunken space of the bracket 5 and a battery tray 322 connected to the support plate 321. The support plate 321 is provided with a sinking groove 3211. The battery tray 322 is floatably provided above the sinking groove 3211 through an elastic member 323. The gear of the rack and pinion mechanism is fixedly connected to the support plate 321 to drive the battery exchange mechanism 32 to move. In this technical solution, the support plate 321 is provided in the sunken space of the bracket 5. The other components of the battery exchange mechanism 32 can be installed as a whole on the support plate 321, and the sliding drive motor 41 is fixedly connected to the support plate 321 to drive the battery exchange mechanism 32 to move. Therefore, the sliding drive motor 41 drives the movement of one component of the support plate 321 to drive the battery exchange mechanism 32 to move as a whole through the support plate 321, which optimizes the transmission structure and also helps to improve the stability of the moving stroke of the battery exchange mechanism 32. The support plate 321 is provided with a sinking groove 3211, and the battery tray 322 is floatably arranged above the sinking groove 3211 through an elastic member 323, which reduces the overall height of the battery tray 322 on the support plate 321, making the overall thickness of the battery swap mechanism 32 smaller and flatter, and taking up less space for battery swapping in height, further improving the adaptability to battery swapping vehicles with chassis of different heights. The elastic member 323 on the support plate 321 makes the battery tray 322 floatable, which allows the battery tray 322 to adapt to the shape and state of different battery swapping vehicle chassis and maintain fit with the bottom of the vehicle, thereby achieving stable support for the battery pack and further improving the stability and safety during the battery swapping process. For example, when the chassis of the battery-swapping vehicle is horizontal, the battery tray 322 as a whole can be in a horizontal posture to achieve battery swapping. When the vehicle chassis is tilted, the battery tray 322 as a whole can be in a tilted posture to achieve battery swapping. When removing a depleted battery, when the depleted battery is transferred from being mounted on the vehicle to being carried by the battery tray 322, the battery tray 322 moves downward under the action of the gravity of the battery pack, and the floating of the battery tray 322 can achieve a buffering effect, effectively avoiding collision and damage between the battery pack and the battery tray 322. Regarding the manner in which the gears of the rack and pinion mechanism are fixedly connected to the support plate 321 to drive the movement of the battery-swapping mechanism 32, taking the above-mentioned sliding mechanism 4 including two sets of rack and pinion mechanisms as an example, the two first driven gears 44 of the two sets of rack and pinion mechanisms can be fixedly connected to the support plate 321. Because the two first driven gears 44 are driven by the synchronous shaft 45, the synchronous shaft 45 can be rotatably connected to the support plate 321, so that the sliding mechanism 4 can ultimately drive the support plate 321 to move through the synchronous shaft 45 during operation. Specifically, Figure 7 and Figure 10 As shown, a rotation hole 3214 is provided in the center of the support plate 321 for the synchronization shaft to pass through and be rotatably connected.

[0094] Regarding the structure of the support plate 321, in a preferred embodiment, as shown in FIG. Figure 7 and Figure 10As shown, the support plate 321 includes a hook portion 3212 located at both ends and a supporting portion 3213 connecting the hook portions 3212 at both ends. The supporting portion 3213 is entirely sunken below the hook portion 3212 to form a sinking groove 3211. The hook portions 3212 are respectively mounted on two crossbeams 51. In this technical solution, the hook portions 3212 are provided at both ends of the support plate 321, which improves the convenience of installing the support plate 321 on the bracket 5. The hook portions 3212 at both ends can be directly mounted on the crossbeams 51 at both ends of the bracket 5. In addition, the sliding drive motor 41 and other structures can also be installed on the inner hook portion 3212 to ensure that the sliding drive motor 41 is close to the rack 42 located on the crossbeam 51, so that the sliding drive motor 41 and the rack and pinion mechanism are in close transmission, thereby improving the compactness of the structure. Moreover, the sliding drive motor 41 is arranged on the hanging part 3212 on the inner side of the support plate 321, and is located on the inner side of the battery tray 322 as a whole. The battery exchange mechanism 32 only needs to extend the battery tray 322 under the battery exchange vehicle to exchange the battery. The sliding drive motor 41 will not interfere with the body of the battery exchange vehicle on the outside of the vehicle body, and there is no need to extend under the vehicle to avoid occupying the space under the vehicle body.

[0095] More preferably, Figures 4 to 7 as well as Figure 11As shown, the support plate 321 is equipped with at least one unloading drive mechanism 33 for driving the battery tray 322 in a telescopic direction. The unloading drive mechanism 33 is connected to a transmission plate 34, which is located within the sink trough 3211. The elastic member 323 is located on the top surface of the transmission plate 34. The unloading drive mechanism 33 drives the battery tray 322 to move via the transmission plate 34 to lock and unlock the battery pack. In this technical solution, the unloading drive mechanism 33 drives the battery tray 322 to move via the transmission plate 34 to lock and unlock the battery pack, enabling the battery swap mechanism 32 to automatically unlock or lock the battery pack under the battery swap vehicle. The telescopic mechanism 31 is only used for entering and exiting the vehicle body. The battery pack is locked and unlocked by the unloading drive mechanism 33 extending into the bottom of the vehicle body, optimizing the power source. When the unloading drive mechanism 33 drives the battery pack to lock and unlock, the telescopic mechanism 31 is stationary. The unloading drive mechanism 33 only needs to drive the battery tray 322 to move horizontally to lock and unlock, making the locking and unlocking process more stable and more accurate. The provision of the transmission plate 34 not only facilitates the unloading drive mechanism 33 to drive the battery tray 322 to move, but also facilitates the provision of multiple elastic members 323 between the transmission plate 34 and the battery tray 322, thereby improving the floating stability of the battery tray 322. Specifically, with regard to the locking and unlocking process, as a preferred embodiment, the unloading drive mechanism 33 can drive the battery tray 322 along the extension direction of the telescopic mechanism 31 to achieve locking of the battery pack on the battery swap vehicle. Conversely, the unloading drive mechanism 33 drives the battery tray 322 along the retraction direction of the telescopic mechanism 31 to achieve unlocking of the battery pack on the locking mechanism. Of course, as an alternative embodiment, the unloading drive mechanism 33 can drive the battery tray 322 along the extension direction of the telescopic mechanism 31 to achieve unlocking of the battery pack on the battery swap vehicle. Conversely, the unloading drive mechanism 33 drives the battery tray 322 along the retraction direction of the telescopic mechanism 31 to achieve locking of the battery pack on the locking mechanism.

[0096] Regarding the specific form of the unloading drive mechanism 33, in a preferred embodiment, as shown in FIG. Figure 10 and Figure 11As shown, the unloading driving mechanism 33 includes an unloading driving motor 331 arranged on the inner side of the hanging part 3212 of the support plate 321 and a transmission mechanism connected between the unloading driving motor 331 and the transmission plate 34, and the transmission mechanism includes a gear mechanism 332 and a screw nut pair 333, the output shaft of the unloading driving motor 331, the gear mechanism 332 and the screw 3331 of the screw nut pair 333 are sequentially connected, and the nut 3332 of the screw nut pair 333 is connected with the transmission plate 34. It should be noted that when the telescopic mechanism 31 is extended relative to the compartment 21, the hanging part 3212 of the support plate 321 close to the compartment 21 is the inner hanging part 3212, and therefore the unloading driving motor 331 is arranged on the hanging part 3212 of the support plate 321 close to the compartment 21. The unloading driving mechanism 33 drives the transmission plate 34 to move through the transmission of the gear mechanism 332 and the screw nut pair 333, and the stability and accuracy of the unloading driving mechanism 33 during the movement of the transmission plate 34 can be improved by using the reliability of the transmission of the gear mechanism 332 and the screw nut pair 333, and the locking and unlocking process of the battery pack is optimized to make the battery pack smoothly lock and unlock. Specifically, when the unloading driving motor 331 operates, it drives the gear mechanism 332 to rotate, which drives the screw 3331 to rotate, and the screw 3331 drives the nut 3332 to translate along the screw 3331 in the telescopic direction of the telescopic mechanism 31, thereby driving the transmission plate 34 to synchronously translate, and realizing the locking and unlocking of the battery pack on the locking mechanism of the battery swap vehicle. The unloading driving motor 331 is arranged on the inner hanging part 3212 of the support plate 321, and is located on the inner side of the battery tray 322. The battery swap mechanism 32 only needs to extend the battery tray 322 into the lower part of the battery swap vehicle for battery swap, and the unloading driving motor 331 is located on the outside of the vehicle body and does not interfere with the vehicle body of the battery swap vehicle, and does not need to be extended into the lower part of the vehicle, avoiding occupying the space below the vehicle body. The unloading driving mechanism 33 only needs to extend the screw 3331 and the nut 3332 into the lower part of the transmission plate 34 to realize transmission, and the screw 3331 and the nut 3332 occupy a small height space, which helps to reduce the height of the transmission plate 34 and the battery tray 322 on the transmission plate 34.

[0097] Regarding the gear mechanism 332, the gear mechanism 332 can include a gear, and a gear is used to realize transmission between the unloading driving motor 331 and the screw 3331, but the diameter of this gear is relatively large, which occupies a lot of horizontal space and height space, which is not conducive to the flattening of the battery swap mechanism 32. Therefore, in the technical solution, the gear mechanism 332 includes a gear mechanism 332 and a screw nut pair 333, and the gear mechanism 332 is arranged on the outer side of the telescopic mechanism 31, and the screw nut pair 333 is arranged on the inner side of the telescopic mechanism 31. Figure 11As shown, the gear mechanism 332 includes a second driving gear 3321 and a second driven gear 3322 that mesh with each other. The second driving gear 3321 is in transmission connection with the output shaft of the unloading drive motor 331, and the second driven gear 3322 is in transmission connection with the lead screw 3331. Compared with the method of setting a gear between the unloading drive motor 331 and the lead screw 3331 to achieve transmission, the unloading drive motor 331 achieves transmission with the lead screw 3331 through the second driving gear 3321 and the second driven gear 3322, which helps to appropriately reduce the size of the gear mechanism 332 and reduce the installation space it occupies, which is conducive to the compact, miniaturized and flat structure of the battery exchange mechanism 32.

[0098] More preferably, as 4 to Figure 7 as well as Figure 11 As shown, two sets of unloading drive mechanisms 33 are provided on the pallet 321; the two sets of unloading drive mechanisms 33 are arranged on both sides of the sliding mechanism 4 in a direction perpendicular to the extension and retraction direction. In this technical solution, the two sets of unloading drive mechanisms 33 synchronously drive the movement of the battery tray 322 on both sides of the pallet 321, and each set of unloading drive mechanisms 33 corresponds to a transmission plate 34. The two transmission plates 34 together support the battery tray 322, providing a large support surface and high support stability for the battery pack. The force on the battery tray 322 is more balanced, and the movement of the battery tray 322 driven by the two sets of unloading drive mechanisms 33 is more stable and reliable. The two sets of unloading drive mechanisms 33 are arranged on both sides of the sliding mechanism 4, fully utilizing the installation space on the pallet 321, balancing the force on the pallet 321, and improving structural stability.

[0099] In a preferred embodiment, if Figure 11 As shown, a second guide mechanism 7 is provided between the support plate 321 and the transmission plate 34. The second guide mechanism 7 includes a second guide rail 71 provided on the support plate 321 and a second slider 72 provided on the transmission plate 34. The second guide mechanism 7 guides the movement of the transmission plate 34 and the battery tray 322 along the extension and retraction direction driven by the loading and unloading drive motor 331, thereby improving the smoothness of the movement of the battery tray 322, reducing jamming, and enhancing the smoothness of battery pack loading and unloading.

[0100] Regarding the structure of the battery tray 322, in a preferred embodiment, as shown in FIG. Figure 13As shown, the battery tray 322 includes a battery-carrying portion 3221 and a reinforcement portion 3222. The battery-carrying portion 3221 extends horizontally, and the reinforcement portion 3222 is located at one end of the battery-carrying portion 3221 near the support frame 1 and extends upward, giving the battery tray 322 an overall L-shaped structure. In this technical solution, the battery-carrying portion 3221 extends horizontally to stably carry the battery pack, while the reinforcement portion 3222 extends upward, giving the battery tray 322 an overall L-shaped structure. Compared to a flat structure, the L-shaped structure has greater strength and stability, greater pressure-bearing capacity, and helps extend the service life of the battery tray 322.

[0101] Furthermore, if Figure 13 As shown, the battery carrying portion 3221 is provided with a battery positioning pin 324, and the battery positioning pin 324 is used to cooperate with the positioning hole on the battery pack to realize the positioning of the battery pack on the battery tray 322, so as to drive the battery pack to move synchronously when the battery pack is locked and unlocked. In this technical solution, the positioning pin provided on the battery carrying portion 3221 can ensure the correct position of the battery pack during the battery replacement process, prevent the battery pack from shifting during the transportation process and the locking and unlocking process, thereby improving the accuracy and safety of the battery replacement. In addition, through the cooperation of the battery positioning pin 324 and the battery pack, a positioning and clamping effect is produced on the battery pack, so that the battery tray 322 can drive the battery pack to move synchronously, and can also make the battery pack more able to withstand the unlocking force, thereby improving the stability of the battery unlocking. Figure 13 FIG. 3 illustrates an embodiment in which four mounting holes 3223 are provided on a battery tray 322, wherein battery locating pins 324 are installed in two of the mounting holes 3223, and the other two mounting holes 3223 serve as spare holes for the battery locating pins 324 to adjust the installation position to adapt to the position of the locating holes of the battery pack.

[0102] In a preferred embodiment, Figure 13As shown, the battery exchange mechanism 32 also includes a plurality of unlocking pins 325 that can be lifted and lowered and pass through the battery carrying part 3221, and a lifting drive mechanism 326 that is fixed to the bottom surface of the battery carrying part 3221 and is used to drive the unlocking pins 325 to rise and fall. In this technical solution, the unlocking pin 325 can be used to realize the locking and unlocking of the battery pack, and is particularly adapted to the technology of locking the battery pack through the battery locking mechanism of the existing battery exchange vehicle, wherein the battery locking mechanism includes a plurality of lock bases with lock slots, lock tongues that can be movably arranged therein, and a lock link connecting the plurality of lock tongues, the lock tongues are used to open or close the lock slots, and when locking the battery pack, since the lock shaft on the battery pack needs to enter the lock slot, the unlocking pin 325 can be lifted and pushed against the lock link, so that the lock link drives all the lock tongues to move upward to open the lock slot, so that the lock shaft can enter the lock slot. After the lock shaft is out of the lock slot, the unlocking pin 325 is lowered to cancel the push on the lock link, and the lock link drives the lock tongue to move down and reclose the lock slot. At this time, the lock tongue blocks the lock shaft from disengaging from the lock slot, thereby locking the battery pack. When the battery pack is unlocked, since the lock shaft on the battery pack needs to be out of the lock slot, the unlocking pin 325 can be raised to push the lock link, so that the lock link drives all the lock tongues to move up and open the lock slot, so that the lock shaft can be out of the lock slot. After the lock shaft is out of the lock slot, the unlocking pin 325 is lowered to cancel the push on the lock link, and the lock link drives the lock tongue to move down and reclose the lock slot. In this technical solution, the unlocking pin 325 can be driven up and down by the lifting drive mechanism 326. Therefore, the lifting and lowering of the unlocking pin 325 required for the unlocking and locking process of the battery pack on the battery swapping vehicle can be achieved by the lifting drive mechanism 326. Therefore, the lifting and lowering of the unlocking pin 325 can be independent of the lifting and lowering of the battery swapping body 2. The lifting and lowering of the battery swapping body 2 is used to adjust the height position of the battery swapping device 3 relative to the battery swapping vehicle chassis. After adjustment, the telescopic mechanism 31 drives the battery swapping mechanism 32 to extend under the battery swapping vehicle, and then the lifting drive mechanism 326 drives the unlocking pin 325 to unlock and lock. During the unlocking and locking process, the battery swapping body 2 and the battery tray 322 are in a relatively fixed state. The fewer moving parts, the more helpful it is to improve the accuracy of the lifting and lowering of the unlocking pin 325 and improve the reliability of unlocking and locking, thereby improving the safety and efficiency of the battery swapping process, and increasing the flexibility of the battery swapping device 100, making the battery pack replacement process more efficient and safe. The provision of multiple unlocking pins 325 can match the technology of providing multiple battery pack locking mechanisms on the battery swapping vehicle, realizing the synchronous action of the battery pack locking mechanisms to achieve unlocking and locking.

[0103] More preferably, Figure 6 and Figure 13As shown, along the vertical direction of the extension and retraction direction, two unlocking pins 325 are provided at each end of the battery carrier 3221; the two unlocking pins 325 located at the same end of the battery carrier 3221 are driven to rise and fall synchronously by a lifting drive mechanism 326. In this technical solution, the unlocking pins 325 at both ends of the battery carrier 3221 can correspond to different levels of locking and unlocking. For example, the unlocking pin 325 at one end corresponds to the first level of locking and unlocking, and the unlocking pin 325 at the other end corresponds to the second level of locking and unlocking. The first and second levels of locking and unlocking can be completed simultaneously. The two unlocking pins 325 located at the same end of the battery carrier 3221 are driven to rise and fall synchronously by a lifting drive mechanism 326, which simplifies the drive structure and improves the synchronization of locking and unlocking.

[0104] Regarding the specific structure of the lifting drive mechanism 326, in a preferred embodiment, as shown in FIG. Figure 13 、 Figure 14 and 15 As shown, two unlocking pins 325 located at the same end of the battery carrier 3221 are spaced apart along the extension and retraction direction. The lifting drive mechanism 326 includes an electric push rod 3261, a connecting rod 3262, and a transmission rod 3263 corresponding to each of the two unlocking pins 325. The connecting rod 3262 is connected to the electric push rod 3261, and the ends of the transmission rod 3263 are respectively hinged to the connecting rod 3262 and the unlocking pin 325. The electric push rod 3261 drives the connecting rod 3262 to translate along the extension and retraction direction, and the transmission rod 3263 drives the two unlocking pins 325 to move up and down. In this technical solution, when the electric push rod 3261 drives the connecting rod 3262 to translate, the connecting rod 3262 drives all the transmission rods 3263 to rotate relative to the connecting rod 3262, thereby causing the transmission rods 3263 to drive the unlocking pins 325 to move up and down. This ensures stable and reliable lifting and lowering of the unlocking pins 325, improving the efficiency of locking and unlocking.

[0105] Furthermore, if Figure 13 、 Figure 14 and 15As shown, the bottom of the battery carrier 3221 is provided with a mounting frame 327 corresponding to the lifting drive mechanism 326. The electric push rod 3261 is mounted on the mounting frame 327 and drives the connecting rod 3262 to translate within the mounting frame 327 in the telescopic direction. The mounting frame 327 is provided with a first guide structure to guide the translation of the connecting rod 3262 and a second guide structure to guide the lifting and lowering movement of the unlocking pin 325. In this technical solution, the mounting frame 327 is mounted on the bottom of the battery carrier 3221 and serves as a supporting structure for the lifting drive mechanism 326. This improves the portability of the lifting drive mechanism 326 and allows the lifting and lowering of the lifting drive mechanism 326 with the battery tray 322. Specifically, the mounting frame 327 can be mounted to the bottom of the battery carrier 3221 by welding or bolts. The first guide structure guides the translation of the connecting rod 3262, ensuring stable and smooth translation. The second guide structure guides the lifting and lowering movement of the unlocking pin 325, ensuring stable and smooth lifting and lowering. Preferably, the first guide structure is a horizontal guide slide hole 3271 provided in the mounting frame 327, and a first guide protrusion 3264 is provided on the connecting rod 3262. The first guide protrusion 3264 slides horizontally along the horizontal guide slide hole 3271 to guide the translation of the connecting rod 3262. The second guide structure is a vertical guide slide hole 3272 provided in the mounting frame 327, and a second guide protrusion 3265 is provided on the unlocking pin 325. The second guide protrusion 3265 slides vertically along the vertical guide slide hole 3272 to guide the unlocking pin 325 to rise and fall.

[0106] In a preferred embodiment, Figure 13 As shown, the battery exchange device 3 also includes a battery detection unit located below the battery carrying portion 3221. The battery carrying portion 3221 is provided with a detection hole 3224. The battery detection unit detects whether there is status information of the battery pack on the battery tray 322 through the detection hole 3224. In this technical solution, the detection of whether there is status information of the battery pack on the battery tray 322 can be realized to ensure that the battery exchange process is carried out stably and orderly. It is also possible to transmit the status information of the battery pack on the battery tray 322 to the control unit of the battery exchange device 100 to monitor the battery exchange process so as to carry out timely maintenance when a fault occurs. Although the battery detection unit is not shown in the accompanying drawings, the battery detection unit can optionally use a position sensor, an object recognition sensor, etc.

[0107] This application provides a battery swap station, such as Figure 16 and Figure 17As shown, the battery replacement station includes a battery replacement channel 8 for accommodating the battery replacement of the electric vehicle, and the battery replacement device 100 as described above, and the battery replacement device is arranged on at least one side of the battery replacement channel 8 in the vertical direction of the driving direction of the electric vehicle in the battery replacement channel 8. Those skilled in the art can understand that, since the battery replacement station adopts the battery replacement device 100 described above, the battery replacement can be ensured to be fast and safe, the battery replacement efficiency is improved, and the occupation of the space in the bottom of the vehicle and the space in the battery compartment caused by the whole battery replacement device 100 entering the bottom of the vehicle and the battery compartment is avoided, so that the whole battery replacement process is optimized. Figure 16 In the embodiment shown in FIG. 8, the battery replacement device 100 is arranged on one side of the battery replacement channel 8, and the single-side battery replacement is realized, and the disassembly and assembly of the battery pack are performed by the same set of battery replacement device 100. Figure 17 In the embodiment shown in FIG. 8, the battery replacement device 100 is arranged on one side of the battery replacement channel 8, and the single-side battery replacement is realized, and the disassembly and assembly of the battery pack are performed by the same set of battery replacement device 100.

[0108] It should be noted that, since the battery replacement station provided in the present application includes the battery replacement device 100 in any one of the embodiments and examples described above, the battery replacement device 100 has the beneficial effects, which are also included in the battery replacement station provided in the present application, and will not be described here.

[0109] The places not described in the present application can be realized by using or referring to the existing technology.

[0110] Each of the embodiments in the present specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment mainly describes the differences from other embodiments.

[0111] The above only describes the embodiments of the present application and is not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the scope of the claims of the present application.

Claims

1. A battery replacement device, characterized in that: include: A fixed support frame, a battery-exchange body arranged between the support frames and capable of being raised and lowered, and a battery-exchange device arranged in the battery-exchange body and capable of being telescopically moved to the outside of the support frame. The battery disassembly and assembly operations of the battery-exchange vehicle are realized through the telescopic movement of the battery-exchange device and the lifting and lowering movement of the battery-exchange body; the battery-exchange body includes a body, and a sliding mechanism is provided between the battery-exchange device and the body to enable the battery-exchange device to move relative to the body in a direction perpendicular to the telescopic direction.

2. The battery replacement device according to claim 1, characterized in that: The battery exchange device includes a telescopic mechanism arranged in the body and a battery exchange mechanism arranged on the telescopic mechanism. The sliding mechanism is arranged between the telescopic mechanism and the battery exchange mechanism, so that the battery exchange mechanism moves on the telescopic mechanism in a direction perpendicular to the telescopic direction.

3. The battery replacement device according to claim 2, characterized in that: The battery exchange mechanism is arranged on the telescopic mechanism via a bracket; Along the telescopic direction of the telescopic mechanism, the bracket includes two cross beams arranged side by side, the cross beams are perpendicular to the telescopic direction of the telescopic mechanism, the two cross beams are connected by two longitudinal beams, and the battery exchange mechanism is arranged in the space enclosed by the two cross beams and the two longitudinal beams.

4. The battery replacement device according to claim 3, characterized in that: Both ends of the crossbeam are connected with hanging lug plates, the crossbeam sinks relative to the hanging lug plates, and the hanging lug plates are hung and fixed on the top of the telescopic mechanism.

5. The battery replacement device according to claim 3, characterized in that: The battery exchange mechanism is mounted on the two beams; The sliding mechanism includes a sliding drive motor and a rack-and-pinion mechanism, wherein the gear of the rack-and-pinion mechanism is in driving connection with the output shaft of the sliding drive motor, and the rack of the rack-and-pinion mechanism is mounted on the crossbeam; Preferably, the gears of the rack and pinion mechanism include a first driving gear and a first driven gear, the first driving gear is in driving connection with the output shaft of the sliding drive motor, and the first driven gear is respectively engaged with the first driving gear and the rack, thereby driving the battery exchange mechanism to move through the sliding drive motor; Preferably, two racks and two first driven gears are provided respectively, and the two racks are respectively provided on the inner side walls of the two crossbeams, and the two first driven gears are transmission-connected to the sliding drive motor via a synchronous shaft, and the synchronous shaft is connected to the power exchange mechanism, and the sliding drive motor is connected above the rack located on the inner side; Preferably, the battery exchange mechanism includes a support plate arranged in the sunken space of the bracket and a battery tray connected to the support plate. The support plate is provided with a sinking groove. The battery tray can be floated above the sinking groove through an elastic member. The gear of the rack and pinion mechanism is connected to the support plate to drive the battery exchange mechanism to move.

6. The battery replacement device according to claim 5, characterized in that: The support plate includes hanging parts at both ends and supporting parts connecting the hanging parts at both ends, the supporting parts are sunken below the hanging parts as a whole to form the sunken grooves, and the hanging parts are respectively mounted on the two beams; Preferably, the support plate is provided with at least one set of unloading drive mechanisms for driving the battery tray to move along the telescopic direction, the unloading drive mechanisms are connected to a transmission plate, the transmission plate is provided in the sinking groove, the elastic member is provided on the top surface of the transmission plate, and the unloading drive mechanism drives the battery tray to move via the transmission plate to achieve locking and unlocking of the battery pack; Preferably, the unloading drive mechanism includes an unloading drive motor provided on a hook portion located on the inner side of the support plate, and a transmission mechanism connected between the unloading drive motor and the transmission plate, the transmission mechanism including a gear mechanism and a screw-nut motion pair, the output shaft of the unloading drive motor, the gear mechanism, and the screw of the screw-nut motion pair being sequentially connected in a transmission manner, and the nut of the screw-nut motion pair being connected to the transmission plate; Preferably, the gear mechanism comprises a second driving gear and a second driven gear meshing with each other, the second driving gear is in driving connection with the output shaft of the assembly and disassembly drive motor, and the second driven gear is in driving connection with the lead screw; Preferably, two groups of the unloading drive mechanisms are provided on the supporting plate; and along the direction perpendicular to the telescopic direction, the two groups of the unloading drive mechanisms are arranged on both sides of the sliding mechanism.

7. The battery replacement device according to claim 6, characterized in that: A first guide mechanism is provided between the hanging portion and the crossbeam, the first guide mechanism comprising a first guide rail provided on the crossbeam and a first slider provided on the hanging portion; and / or, A second guide mechanism is provided between the supporting plate and the transmission plate. The second guide mechanism includes a second guide rail provided on the supporting plate and a second slider provided on the transmission plate.

8. The battery replacement device according to claim 5, characterized in that: The battery tray includes a battery carrying portion and a reinforcement portion, wherein the battery carrying portion extends horizontally and the reinforcement portion is provided at one end of the battery carrying portion close to the support frame and extends upward, so that the battery tray has an L-shaped structure as a whole; Preferably, the battery carrying portion is provided with a battery positioning pin, which is used to cooperate with a positioning hole on the battery pack to achieve positioning of the battery pack on the battery tray, so as to drive the battery pack to move synchronously when the battery pack is locked and unlocked; Preferably, along a direction perpendicular to the telescopic direction, a plurality of mounting holes are provided on the battery carrying portion at intervals, and the battery locating pin can be detachably installed in any one or any plurality of the plurality of mounting holes.

9. The battery replacement device according to claim 8, characterized in that: The battery replacement mechanism further includes a plurality of unlocking pins that can be lifted and lowered and pass through the battery supporting portion, and a lifting drive mechanism fixed to the bottom surface of the battery supporting portion and used to drive the unlocking pins to lift and lower; Preferably, two unlocking pins are provided at each end of the battery carrying portion in a direction perpendicular to the telescopic direction; the two unlocking pins located at the same end of the battery carrying portion are driven to rise and fall synchronously by one lifting drive mechanism; Preferably, the two unlocking pins located at the same end of the battery carrying portion are spaced apart along the telescopic direction; the lifting drive mechanism includes an electric push rod, a connecting rod, and a transmission rod corresponding to the two unlocking pins one by one, the connecting rod is connected to the electric push rod, and the two ends of the transmission rod are respectively hinged to the connecting rod and the unlocking pin, and the electric push rod drives the connecting rod to translate along the telescopic direction and the transmission of the transmission rod to drive the two unlocking pins to move up and down; Preferably, a mounting frame corresponding to the lifting drive mechanism is provided at the bottom of the battery carrying portion, the electric push rod is installed in the mounting frame and drives the connecting rod to translate along the telescopic direction within the mounting frame, and the mounting frame is provided with a first guide structure for guiding the translation of the connecting rod and a second guide structure for guiding the lifting and lowering movement of the unlocking pin; Preferably, the battery replacement device further includes a battery detection unit located below the battery carrying portion, the battery carrying portion is provided with a detection hole, and the battery detection unit detects whether there is status information of the battery pack on the battery tray through the detection hole.

10. A battery swap station, comprising a battery swap channel for accommodating battery swapping of electric vehicles, characterized in that: It also includes a battery exchange device as described in any one of claims 1 to 9, and the battery exchange device is arranged on at least one side of the battery exchange channel along the vertical direction of the electric vehicle's driving direction in the battery exchange channel.

Images