Battery replacement trolley

Abstract

The utility model discloses a battery replacing trolley, the battery replacing trolley is used for carrying out battery replacing on an electric automobile, the battery replacing trolley comprises an unlocking platform, the unlocking platform is used for bearing a battery pack and carrying out operation of dismounting or mounting the battery pack, the unlocking platform comprises a base, a first bearing part and a second bearing part, and the first bearing part and the second bearing part are arranged on the base; the unlocking platform further comprises a first driving part and a second driving part which are used for driving the first bearing part and the second bearing part to move relative to the base correspondingly. The distance between the first bearing part and the second bearing part is changed by driving the first bearing part and the second bearing part to move relative to the base so as to adapt to battery replacement operation of different vehicles. The first bearing part and the second bearing part are independently arranged on the base, the first bearing part or the second bearing part can be independently moved according to actual application scenes, the first bearing part and the second bearing part can also be moved, and the use compatibility of the battery replacing trolley is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of vehicle battery replacement, and particularly relates to a battery replacement trolley. BACKGROUND

[0002] Compared with traditional fuel vehicles, electric vehicles have the advantages of green environmental protection and high intelligence, and are of great significance to energy saving and emission reduction and urban traffic intelligence, and therefore gradually become the strategic development direction of future automobile industry.

[0003] The existing charging mode of electric vehicles is generally divided into two types of battery replacement and direct charging. In the prior art, a corresponding battery replacement station is built for the above-mentioned electric vehicles with battery replacement, and a user drives to the battery replacement station to replace the battery when the battery needs to be replaced. Since electric vehicles are various in types, the corresponding battery models, i.e. battery styles, are also different, so that the battery packs have different sizes. In order to enable the battery replacement station to replace batteries for various electric vehicles, some battery replacement stations are provided with multiple battery replacement positions and battery replacement trolleys to adapt to different forms of battery packs. However, this mode causes the battery replacement equipment corresponding to the same type of battery pack to be less, the battery replacement efficiency to be low, and the compatibility of the battery replacement equipment to be poor, which results in poor user experience of battery replacement and increases the battery replacement cost of the battery replacement station, which is not conducive to popularization and use. CONTENT OF THE UTILITY MODEL

[0004] The application provides a battery replacement trolley, which solves the problem of poor compatibility of battery replacement equipment for different forms of battery packs by providing movable first and second bearing parts.

[0005] The technical scheme adopted by the application is as follows:

[0006] A battery replacement trolley is used for replacing batteries of electric vehicles. The battery replacement trolley comprises an unlocking platform, which is used for bearing a battery pack and performing the operation of disassembling or assembling the battery pack. The unlocking platform comprises a base and first and second bearing parts provided on the base. The unlocking platform further comprises first and second driving parts used for driving the first and second bearing parts to move relative to the base, respectively.

[0007] The first and second bearing parts are driven to move relative to the base, and the distance between the first and second bearing parts is changed to adapt to the battery replacement operation of different vehicles. According to the wheel track of different vehicles, the first and second bearing parts are driven to move by the first and second driving parts to correspond to the battery replacement vehicles with different wheel tracks. Since the first and second bearing parts are independently provided on the base and correspondingly provided with the first and second driving parts, respectively, the first bearing part or the second bearing part or both of them can be moved according to the actual application scene, so as to realize the battery replacement operation of different specifications of battery replacement vehicles and improve the use compatibility of the battery replacement trolley.

[0008] In addition, the first bearing part and the second bearing part of the unlocking platform are designed in a split manner, and two bearing parts are arranged respectively, which is beneficial to reduce the overall weight, reduce the consumption materials, reduce the cost, facilitate popularization, and is beneficial to realize the adaptation of different specifications of battery packs.

[0009] In a preferred implementation manner of the battery replacement trolley, the first driving part and / or the second driving part drives the first bearing part and the second bearing part to move relatively through the meshing transmission mechanism.

[0010] In the scheme, the first driving part drives the first bearing part through the meshing transmission mechanism, and the second driving part drives the second bearing part through the meshing transmission mechanism, which realizes independent movement control of the two bearing parts, is beneficial to improve the movement efficiency of the first bearing part and the second bearing part, improves the mechanization and automation in the application process of the unlocking platform, makes the first bearing part and the second bearing part quickly reach the position, and further improves the battery replacement efficiency.

[0011] In a preferred implementation manner of the battery replacement trolley, the meshing transmission mechanism includes a driving motor, a gear connected with an output shaft of the driving motor, and a guide rack meshed with the gear, and the driving motor drives the gear to move along the guide rack to drive the first bearing part and / or the second bearing part to move.

[0012] The driving motor, the gear and the guide rack are arranged to drive the first bearing part and the second bearing part, and this transmission mode is simple, the component cost is low, the maintenance is convenient, the driving effect of the driving motor is stable, the gear and the guide rack require fewer connecting components during transmission, and the connecting mode is simple, which can reduce the machining difficulty and assembly difficulty while ensuring the driving stability of the first bearing part and the second bearing part, and realizes the reliable adaptation of the unlocking platform to different specifications of battery packs.

[0013] In a preferred implementation manner of the battery replacement trolley, the first bearing part and the second bearing part are each provided with an upper bearing plate arranged in a vertical direction and a support plate located below the upper bearing plate, and the meshing transmission mechanism includes a mounting seat for fixing the driving motor, and the mounting seat is fixed to the support plate to realize synchronous movement of the lower bearing plate and the support plate.

[0014] The support plate is arranged to strengthen the support strength of the unlocking platform. The space between the support plate and the upper bearing plate provides an assembly space for the installation of the meshing transmission mechanism, which can ensure the close transmission driving of the meshing transmission mechanism to the first bearing part and the second bearing part, and can avoid installation interference or movement interference on the upper bearing plate located above and close to the battery pack. The mounting seat is used to fix the meshing transmission mechanism on the first bearing part and the second bearing part, so as to realize the positioning of the meshing transmission mechanism, and the mounting seat can also drive the movement of the support plate, thereby driving the movement of the first bearing part and the second bearing part.

[0015] In a preferred implementation manner of the battery replacing trolley, the first bearing part and the second bearing plate further include a lower bearing plate located between the upper bearing plate and the support plate, and the top surface and the bottom surface of the mounting seat are fixed to the lower bearing plate and the support plate respectively.

[0016] The lower bearing plate is further arranged between the upper bearing plate and the support plate, the top surface of the mounting seat is fixedly connected to the bottom surface of the lower bearing plate, and the bottom surface of the mounting seat is fixedly connected to the top surface of the support plate, so as to realize the connection of the driving motor between the lower bearing plate and the support plate, realize the indirect connection of the lower bearing plate and the support plate, and drive the lower bearing plate and the support plate to move synchronously. The lower bearing plate further improves the structural strength of the first bearing part and the second bearing part, and further isolates the meshing transmission mechanism from the upper bearing plate, so as to reduce the driving vibration of the upper bearing plate caused by the meshing transmission mechanism during work, thereby further improving the bearing stability of the battery pack located on the top surface of the first bearing part and the second bearing part.

[0017] In a preferred implementation manner of the battery replacing trolley, a protective cover is arranged outside the gear, and one of the protective cover and the guide rack is arranged on the base, and the other is arranged on the support plate.

[0018] The protective cover is arranged to protect the gear in the meshing transmission mechanism, so as to provide a clearance installation space for the gear, avoid scratching between the gear and other components during rotation, and facilitate reducing transmission noise. The gear and the guide rack matched with the gear are respectively installed on the base and the support plate, so as to realize the movement position cooperation between the support plate and the base, so that the support plate moves along the base, the first bearing part and the second bearing part provided with the support plate move along the base, the distance between the first bearing part and the second bearing part is changed, and the adaptation to battery packs of different sizes is realized.

[0019] In a preferred implementation manner of the battery replacing trolley, the battery replacing trolley includes a guide mechanism arranged on the base, and the support plate moves along the base through the guide mechanism.

[0020] The scheme sets the guide mechanism to guide the movement of the support plate on the base when the meshing transmission mechanism drives the support plate to move, so that the support plate can move along the predetermined guide route, and the direction accuracy and distance accuracy of the movement of the support plate, i.e. the first bearing part and the second bearing part, along the base are improved, the adaptation effect of the unlocking platform on the battery pack is improved, and the movement stability of the first bearing part and the second bearing part is also improved, so that the path deviation caused by external force or other factors is avoided.

[0021] In a preferred implementation manner of the battery replacement trolley, the guide mechanism includes a sliding rail fixedly arranged on the base, and a sliding block arranged on the bottom surface of the support plate and adapted to the sliding rail, and the support plate moves along the sliding rail through the sliding block.

[0022] The guide mechanism is composed of the sliding rail and the sliding block, the guide method is simple, occupies small space, is convenient to arrange, and is mature in sliding technology and good in stability, so that the smooth movement of the support plate along the base is realized, and the relative position stability between the support plate and the base is further improved.

[0023] In a preferred implementation manner of the battery replacement trolley, the base is provided with a first step part and a second step part located below the support plate, the step surface of the first step part is fixed with a guide rack, and the step surface of the second step part is fixed with the guide mechanism.

[0024] The first step part and the second step part are arranged on the base to realize the fixed assembly of the guide rack and the guide mechanism, the base structure and space are reasonably utilized for compact assembly of components, the smooth movement of the support plate along the base is realized, the overall structure compactness of the battery replacement trolley is improved, the close guidance of the guide assembly and the guide rack to the support plate is also improved, and the movement stability of the first bearing part and the second bearing part is further improved.

[0025] In a preferred implementation manner of the battery replacement trolley, a plurality of sensors are arranged on the base along the width direction of the battery pack, and the sensors are used to monitor the positions of the first bearing part and the second bearing part to determine whether the first bearing part and / or the second bearing part is moved to the position.

[0026] The plurality of sensors are arranged on the base to monitor the positions of the first bearing part and the second bearing part, the sensors are arranged on the base when the first bearing part and the second bearing part move along the base, the sensors monitor the arrival signals of the first bearing part and the second bearing part and feed back when the first bearing part and the second bearing part move to the positions provided with the sensors, so that the first bearing part and the second bearing part are accurately moved, the docking and unlocking position accuracy between the unlocking platform and the battery pack is ensured, and the application reliability of the battery replacement trolley is improved.

[0027] In a preferred implementation of the battery replacement trolley, the battery replacement trolley comprises a base, a cam lifting mechanism and a limiting mechanism are arranged between the base and the unlocking platform, the cam lifting mechanism is used to realize the lifting of the unlocking platform relative to the base, and the limiting mechanism is used to maintain the relative position between the unlocking platform and the base during the lifting of the unlocking platform.

[0028] In the scheme, the lifting of the unlocking platform in the vertical direction is realized by arranging the cam lifting mechanism, so that the unlocking platform moves up and down relative to the electric vehicle, so that the unlocking platform is located at a suitable height to disassemble and assemble the battery pack. At the same time, the limiting mechanism is arranged to ensure that the relative distance between the unlocking platform and the base is stable during the lifting of the cam lifting mechanism, so as to avoid the unlocking platform from deviating during the lifting process. On the one hand, it can ensure the smooth lifting of the unlocking platform, and make the unlocking platform stably realize the bearing of the battery pack, and on the other hand, it can avoid the unlocking platform from deviating and causing the battery pack to be accurately positioned and unlocked, thereby further improving the use stability and reliability of the unlocking platform.

[0029] In a preferred implementation of the battery replacement trolley, the cam lifting mechanism comprises a lifting cam connected with the base and a lifting platform connected with the base, the lifting cam acts on the lifting platform to drive the lifting platform to move; the limiting mechanism comprises a first limiting plate arranged on the base and a second limiting plate arranged on the base, the first limiting plate and the second limiting plate form a limiting gap, the first limiting plate is provided with two axially vertically arranged limiting wheels located in the limiting gap, and the limiting wheels abut against the second limiting plate.

[0030] By arranging the lifting cam to act on the lifting platform, the unlocking platform connected with the lifting platform is driven to move up and down, and the limiting wheels of the limiting mechanism are moved along the first limiting plate and the second limiting plate during the lifting process to limit the unlocking platform in the horizontal direction. The two limiting wheels are vertically arranged to realize limiting rolling from different directions, and are beneficial to dispersing the stress of the limiting mechanism and maintaining the overall stability.

[0031] In a preferred implementation of the battery replacement trolley, the guide mechanism is located between the cam lifting mechanism and the limiting mechanism, and the cam lifting mechanism, the guide mechanism and the limiting mechanism are located on both sides parallel to the width direction of the battery pack.

[0032] In the scheme, the guide mechanism, the cam lifting mechanism and the limiting mechanism are arranged on both sides parallel to the width direction of the battery pack, so that the two sides of the unlocking platform can realize stable and synchronous up-down movement, and the two sides of the first bearing part and the second bearing part can also move along the base in the preset path through the guide mechanism.

[0033] In a preferred implementation of the battery replacement trolley, the first bearing part and the second bearing part are each provided with a first positioning part for cooperating with the vehicle body of the electric vehicle, a second positioning part for cooperating with the battery pack, and an unlocking pin for unlocking the battery pack to be replaced, the two first positioning parts and the two second positioning parts are symmetrically arranged along the length direction of the battery pack, and the first positioning part, the second positioning part, and the unlocking pin are located on both sides parallel to the length direction of the battery pack.

[0034] The first positioning part is used to position the unlocking platform to the vehicle body of the electric vehicle, and the second positioning part is used to position the unlocking platform to the battery pack, so that the unlocking pin can stably and accurately unlock the battery pack. The first positioning part, the second positioning part, and the unlocking pin are arranged on both sides parallel to the length direction of the battery pack, i.e., the first positioning part, the second positioning part, and the unlocking pin are partitioned with the cam lifting mechanism, the guide mechanism, and the limiting mechanism, so that the unlocking platform on one side can provide a larger assembly space for the first positioning part, the second positioning part, and the unlocking pin, thereby facilitating to increase the stress area of the first positioning part, the second positioning part, and the unlocking pin, to reduce the stress intensity at the connection between the first positioning part, the second positioning part, the unlocking pin, the electric vehicle, or the battery pack, and to improve the stress stability of the battery replacement trolley during the battery replacement process.

[0035] As the above technical solutions are adopted, the application has the following beneficial effects:

[0036] The first bearing part and the second bearing part are driven to move relative to the base to change the distance between the first bearing part and the second bearing part, thereby adapting to different specifications of battery packs during battery replacement. The first bearing part and the second bearing part are driven to move by the first driving part and the second driving part according to different specifications of the battery pack, wherein, since the first bearing part and the second bearing part are designed in a split body and are respectively provided with the first driving part and the second driving part, the first bearing part or the second bearing part can be moved alone according to the actual application scenario, or both of them can be moved to adapt to the specification of the battery pack to be replaced, thereby improving the use compatibility of the battery replacement trolley.

[0037] In addition, the first bearing part and the second bearing part of the unlocking platform are designed in a split body, two bearing parts are respectively arranged, which is beneficial to reduce the overall weight, reduce the consumption of materials, reduce the cost, facilitate popularization, and is beneficial to adapt to different specifications of battery packs. BRIEF DESCRIPTION OF DRAWINGS

[0038] The drawings described herein are used to provide further understanding of the application, and form a part of the application. The illustrative embodiments of the application and their descriptions are used to explain the application, and do not constitute an improper limitation on the application. In the drawings:

[0039] Figure 1 It is the structural schematic view of the battery replacing trolley in one embodiment of the utility model;

[0040] Figure 2 It is the structural schematic view of the first driving part in one embodiment of the utility model;

[0041] Figure 3 It is the position schematic view of the meshing transmission mechanism in one embodiment of the utility model;

[0042] Figure 4 It is the cooperation schematic view of the meshing transmission mechanism in one embodiment of the utility model;

[0043] Figure 5 It is the sectional view of the meshing transmission assembly in one embodiment of the utility model;

[0044] Figure 6 It is the structural schematic view of the battery replacing trolley from another angle in one embodiment of the utility model;

[0045] Figure 7 It is the A part enlarged view of Figure 6 ;

[0046] Figure 8 It is the structural schematic view of the cam lifting mechanism in one embodiment of the utility model.

[0047] Explanation of reference signs:

[0048] 100-unlocking platform, 110-base, 111-first step part, 112-second step part, 113-sensor, 120-first bearing part, 121-upper bearing plate, 122-lower bearing plate, 123-supporting plate, 124-first positioning part, 125-second positioning part, 126-unlocking pin, 130-second bearing part, 140-first driving part, 150-second driving part, 160-meshing transmission assembly, 161-driving motor, 162-gear, 163-guiding rack, 164-protective cover, 165-mounting seat, 170-guiding mechanism, 171-sliding rail, 172-sliding block;

[0049] 200-base;

[0050] 300-cam lifting mechanism, 310-lifting cam, 320-lifting table;

[0051] 400-limiting mechanism, 410-first limiting plate, 420-second limiting plate, 430-limiting wheel. DETAILED DESCRIPTION

[0052] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail with reference to the accompanying drawings.

[0053] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application, however, can be practiced without the specific details. In other instances, well-known methods have not been described in detail in order not to unnecessarily obscure aspects of the present application. It is to be understood that the embodiments of the present application and the features can be combined with each other, and the features in the embodiments can be combined with each other, if not in conflict.

[0054] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0055] In the present application, unless specifically defined and limited otherwise, the terms "mount", "connect", "connection", "fixed", and the like are to be broadly interpreted, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection, and can also be communication; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0056] In the present application, unless specifically defined and limited otherwise, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the specification, the description of the reference 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 the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.

[0057] The present application provides a battery replacement trolley, such as Figures 1 to 8As shown, the battery replacement trolley is used for battery replacement of electric vehicles, and the battery replacement trolley comprises an unlocking platform 100 for carrying a battery pack and performing the operation of disassembling or installing the battery pack, the unlocking platform 100 comprises a base 110 and a first bearing part 120 and a second bearing part 130 arranged on the base 110, and the unlocking platform 100 further comprises a first driving part 140 and a second driving part 150 for driving the first bearing part 120 and the second bearing part 130 to move relative to the base 110, respectively.

[0058] The first bearing part 120 and the second bearing part 130 are driven to move relative to the base 110, and the distance between the first bearing part 120 and the second bearing part 130 is changed to adapt to the battery replacement operation of different vehicles. According to the wheelbase of different vehicles, the first bearing part 120 and the second bearing part 130 are driven to move by the first driving part 140 and the second driving part 150 to correspond to the battery replacement vehicles with different wheelbases. Since the first bearing part 120 and the second bearing part 130 are independently arranged on the base 110 and correspondingly arranged with the first driving part 140 and the second driving part 150, respectively, the first bearing part 120 or the second bearing part 130 can be moved alone according to the actual application scene, or both can be moved to realize the battery replacement operation of different specifications of battery replacement vehicles, and the use compatibility of the battery replacement trolley is improved.

[0059] In addition, the first bearing part 120 and the second bearing part 130 of the unlocking platform 100 are designed in a split manner, and two bearing parts are arranged respectively, which is beneficial to reduce the overall weight, reduce the consumption of materials, reduce the cost, facilitate popularization, and is beneficial to realize the adaptation of different specifications of battery packs.

[0060] In one embodiment, as shown in Figure 2 , Figure 3 The first driving part 140 and / or the second driving part 150 drive the first bearing part 120 and the second bearing part 130 to move relative to each other by engaging the transmission mechanism.

[0061] Preferably, the first driving part 140 drives the first bearing part 120 by engaging the transmission mechanism, and the second driving part 150 drives the second bearing part 130 by engaging the transmission mechanism, which realizes independent movement control of the two bearing parts, and is beneficial to improve the movement efficiency of the first bearing part 120 and the second bearing part 130, improve the mechanization and automation of the unlocking platform 100 in the application process, make the first bearing part 120 and the second bearing part 130 quickly reach the position, and further improve the battery replacement efficiency.

[0062] Further, as shown in Figures 3 to 5As shown, the meshing transmission mechanism includes a driving motor 161, a gear 162 connected with the output shaft of the driving motor 161, and a guide rack 163 meshing with the gear 162. The driving motor 161 drives the gear 162 to move along the guide rack 163 to drive the first bearing part 120 and / or the second bearing part 130 to move. (A partial enlarged view of the meshing transmission mechanism is added, and the relevant mechanism is marked in the figure, but the specific details cannot be seen) Figure 3 The driving motor 161 drives the gear 162 and the guide rack 163 to drive the first bearing part 120 and the second bearing part 130. This transmission mode is simple, and the component cost is low. The maintenance is convenient, and the driving effect of the driving motor 161 is stable. The gear 162 and the guide rack 163 require fewer connecting components during transmission, and the connection mode is simple. While reducing the processing difficulty and assembly difficulty, the driving stability of the first bearing part 120 and the second bearing part 130 can be ensured, and the reliable adaptation of the unlocking platform 100 to different specifications of battery packs can be realized.

[0063] Further, the first bearing part 120 and the second bearing part 130 are each provided with an upper bearing plate 121 spaced apart in the vertical direction and a support plate 123 located below the upper bearing plate 121. The meshing transmission mechanism includes a mounting seat 165 (not marked in the figure) for fixing the driving motor 161. The mounting seat 165 is fixed to the support plate 123 to realize the synchronous movement of the upper bearing plate 121 and the support plate 123.

[0064] By providing the support plate 123, the support strength of the unlocking platform 100 is enhanced. The space between the support plate 123 and the upper bearing plate 121 provides assembly space for the installation of the meshing transmission mechanism, which can not only ensure the close transmission and driving of the meshing transmission mechanism to the first bearing part 120 and the second bearing part 130, but also avoid installation interference or movement interference to the upper bearing plate 121 located above and close to the battery pack. The mounting seat 165 is used to fix the meshing transmission mechanism to the first bearing part 120 and the second bearing part 130, realizing the positioning of the meshing transmission mechanism. At the same time, the mounting seat 165 is fixed to the support plate 123, which drives the movement of the support plate 123, and further drives the movement of the first bearing part 120 and the second bearing part 130.

[0065] In other embodiments, the first bearing part 120 and the second bearing part further include a lower bearing plate 122 located between the upper bearing plate 121 and the support plate 123. The top surface and the bottom surface of the mounting seat 165 are fixed to the lower bearing plate 122 and the support plate 123, respectively.

[0066] In other embodiments, the first bearing part 120 and the second bearing part further include a lower bearing plate 122 located between the upper bearing plate 121 and the support plate 123. The top surface and the bottom surface of the mounting seat 165 are fixed to the lower bearing plate 122 and the support plate 123, respectively.

[0067] The top surface of the mounting seat 165 is fixedly connected to the bottom surface of the lower bearing plate 122, and the bottom surface of the mounting seat 165 is fixedly connected to the top surface of the support plate 123, so as to realize the connection of the driving motor 161 between the lower bearing plate 122 and the support plate 123, realize the indirect connection of the lower bearing plate 122 and the support plate 123, and drive the lower bearing plate 122 and the support plate 123 to move synchronously through the meshing transmission mechanism. The structure strength of the first bearing part 120 and the second bearing part 130 is further improved through the lower bearing plate 122, and the meshing transmission mechanism and the upper bearing plate 121 are further isolated, the driving vibration of the upper bearing plate 121 caused by the meshing transmission mechanism is reduced when the meshing transmission mechanism works, and the bearing stability of the battery pack located on the top surface of the first bearing part 120 and the second bearing part 130 is further improved.

[0068] Further, the gear 162 is externally provided with a protective cover 164, one of the protective cover 164 and the guide rack 163 is arranged on the base 110, and the other is arranged on the support plate 123.

[0069] The protective cover 164 is arranged on the gear 162 to protect the gear 162, and the gear 162 is provided with a mounting space, so as to avoid scratching between the gear 162 and other components when the gear 162 rotates, and the transmission noise is reduced. The gear 162 and the guide rack 163 matched with the gear 162 are respectively arranged on the base 110 and the support plate 123, so as to realize the movement position cooperation between the support plate 123 and the base 110, so that the support plate 123 moves along the base 110, the first bearing part 120 and the second bearing part 130 provided with the support plate 123 move along the base 110, the distance between the first bearing part 120 and the second bearing part 130 is changed, and the battery pack of different sizes is adapted.

[0070] It can be understood that the first driving part 140 and the second driving part 150 have the same structure, and the first driving part 140 is taken as an example to mark and describe the components of the meshing transmission mechanism in the embodiment.

[0071] In a preferred embodiment, the battery replacement trolley comprises a guide mechanism 170 arranged on the base 110, and the support plate 123 moves along the base 110 through the guide mechanism 170.

[0072] The scheme sets the guide mechanism 170 to guide the movement of the support plate 123 on the base 110 when the support plate 123 is driven to move by the meshing transmission mechanism, so that the support plate 123 can move along the predetermined guide route, improve the accuracy of the direction and distance of the movement of the support plate 123, i.e. the first bearing part 120 and the second bearing part 130, along the base 110, improve the adaptation effect of the unlocking platform 100 on the battery pack, and facilitate the movement stability of the first bearing part 120 and the second bearing part 130, avoiding path deviation caused by external force or other factors.

[0073] Further, the guide mechanism 170 includes a sliding rail 171 fixedly arranged on the base 110, and a sliding block 172 arranged on the bottom surface of the support plate 123 and adapted to the sliding rail 171, and the support plate 123 moves along the sliding rail 171 through the sliding block 172.

[0074] The guide mechanism 170 is composed of the sliding rail 171 and the sliding block 172, which has the advantages of simple guide mode, small space occupation, convenient setting, mature sliding technology and good stability, which is conducive to the smooth movement of the support plate 123 along the base 110, and the sliding block 172 and the sliding rail 171 are arranged between the support plate 123 and the base 110, which can further enhance the relative position stability between the support plate 123 and the base 110.

[0075] Preferably, the base 110 is provided with a first step part 111 and a second step part 112 located below the support plate 123, the step surface of the first step part 111 is fixed with a guide rack 163, and the step surface of the second step part 112 is fixed with the guide mechanism 170.

[0076] The first step part 111 and the second step part 112 are arranged on the base 110 to realize the fixed assembly of the guide rack 163 and the guide mechanism 170, which reasonably utilizes the structure and space of the base 110 for compact assembly of components, and can realize the smooth movement of the support plate 123 along the base 110, which is conducive to the compactness of the overall structure of the battery replacement trolley, and also conducive to the close guidance of the guide assembly and the guide rack 163 to the support plate 123, further improving the movement stability of the first bearing part 120 and the second bearing part 130.

[0077] In one embodiment, as shown in Figure 6 , Figure 7 The base 110 is provided with a plurality of sensors 113 along the width direction of the battery pack, and the sensors 113 are used to monitor the positions of the first bearing part 120 and the second bearing part 130 to determine whether the first bearing part 120 and / or the second bearing part 130 is moved to the position.

[0078] The scheme monitors the positions of the first bearing part 120 and the second bearing part 130 by arranging a plurality of sensors 113 on the base 110. Since the first bearing part 120 and the second bearing part 130 move along the base 110, the sensors 113 are arranged on the base 110. When the first bearing part 120 and the second bearing part 130 move to the positions where the sensors 113 are arranged, the sensors 113 monitor the arrival signals of the first bearing part 120 and the second bearing part 130 and feed back, so that the first bearing part 120 and the second bearing part 130 realize accurate movement, the docking and unlocking positions between the unlocking platform 100 and the battery pack are accurate, and the application reliability of the battery swap vehicle is improved.

[0079] In an embodiment, as shown in Figure 1 , Figure 8 The battery swap vehicle includes a base 200, and a cam lifting mechanism 300 and a limiting mechanism 400 are arranged between the base 200 and the unlocking platform 100. The cam lifting mechanism 300 is used to realize the lifting of the unlocking platform 100 relative to the base 200, and the limiting mechanism 400 is used to keep the relative position between the unlocking platform 100 and the base 200 during the lifting of the unlocking platform 100.

[0080] The scheme realizes the movement of the unlocking platform 100 in the vertical direction by arranging the cam lifting mechanism 300, so that the unlocking platform 100 moves up and down relative to the electric vehicle, so that the unlocking platform 100 is at a suitable height to disassemble and assemble the battery pack. At the same time, the limiting mechanism 400 is arranged to keep the relative distance between the unlocking platform 100 and the base 200 stable during the lifting of the unlocking platform 100 by the cam lifting mechanism 300, so as to avoid the unlocking platform 100 from deviating during the lifting. On the one hand, it can ensure the smooth lifting of the unlocking platform 100, and make the unlocking platform 100 stably realize the bearing of the battery pack. On the other hand, it avoids the unlocking platform 100 from deviating and causing the unlocking platform 100 to fail to accurately position and unlock the battery pack, thereby further improving the use stability and reliability of the unlocking platform 100.

[0081] In an embodiment, as shown in Figure 7 , Figure 8 The cam lifting mechanism 300 includes a lifting cam 310 connected with the base 200 and a lifting platform 320 connected with the base 110. The lifting cam 310 acts on the lifting platform 320 to move the lifting platform 320 and drive the unlocking platform 100 to move. The limiting mechanism 400 includes a first limiting plate 410 arranged on the base 110 and a second limiting plate 420 arranged on the base 200. The first limiting plate 410 and the second limiting plate 420 form a limiting gap. The first limiting plate 410 is provided with two axially vertically arranged limiting wheels 430 located in the limiting gap, and the limiting wheels 430 abut against the second limiting plate 420.

[0082] The lifting cam 310 is arranged to act on the lifting platform 320 to drive the unlocking platform 100 connected with the lifting platform 320 to move up and down, and the limiting wheels 430 of the limiting mechanism 400 are arranged to limit the movement of the unlocking platform 100 in the horizontal direction during the lifting process. The two limiting wheels 430 are arranged vertically to limit the rolling from different directions, and are beneficial to disperse the stress of the limiting mechanism 400 and maintain the overall stability.

[0083] Preferably, the guide mechanism 170 is located between the cam lifting mechanism 300 and the limiting mechanism 400, and the cam lifting mechanism 300, the guide mechanism 170 and the limiting mechanism 400 are located on both sides parallel to the width direction of the battery pack.

[0084] In the present scheme, the guide mechanism 170, the cam lifting mechanism 300 and the limiting mechanism 400 are arranged on both sides parallel to the width direction of the battery pack, so that the two sides of the unlocking platform 100 can realize stable and synchronous up and down movement, and the two sides of the first bearing part 120 and the second bearing part 130 can move along the base 110 in the preset path through the guide mechanism 170.

[0085] Preferably, as shown in Figure 2 The first bearing part 120 and the second bearing part 130 are each provided with a first positioning part 124 for cooperating with the vehicle body of the electric vehicle, a second positioning part 125 for cooperating with the battery pack, and an unlocking pin 126 for unlocking the battery pack to be replaced. The two first positioning parts 124 and the two second positioning parts 125 are symmetrically arranged along the length direction of the battery pack, and the first positioning part 124, the second positioning part 125 and the unlocking pin 126 are located on both sides parallel to the length direction of the battery pack.

[0086] The first positioning part 124 is arranged to position the unlocking platform 100 relative to the vehicle body of the electric vehicle, and the second positioning part 125 is arranged to position the unlocking platform 100 relative to the battery pack, so that the unlocking pin 126 can stably and accurately unlock the battery pack. The first positioning part 124, the second positioning part 125 and the unlocking pin 126 are arranged on both sides parallel to the length direction of the battery pack, i.e. the first positioning part 124, the second positioning part 125 and the unlocking pin 126 are arranged in different zones with the cam lifting mechanism 300, the guide mechanism 170 and the limiting mechanism 400, so that the unlocking platform 100 can provide a larger assembly space for the first positioning part 124, the second positioning part 125 and the unlocking pin 126 on one side, thereby facilitating to increase the stress area at the first positioning part 124, the second positioning part 125 and the unlocking pin 126, reduce the stress intensity at the connection between the first positioning part 124, the second positioning part 125 and the unlocking pin 126 and the electric vehicle or the battery pack, and improve the stress stability of the battery replacement vehicle during the battery replacement process.

[0087] The places not mentioned in the application can be realized by using or referring to the existing technology.

[0088] Each of the embodiments in the specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other. Each of the embodiments focuses on the difference from other embodiments.

[0089] The above only describes the embodiments of the application and is not intended to limit the application. The application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the application shall be included in the scope of the claims of the application.

Claims

1. A battery swapping vehicle, the battery swapping vehicle being used for swapping batteries in electric vehicles, the battery swapping vehicle including an unlocking platform, the unlocking platform being used to carry a battery pack and to perform operations of removing or installing the battery pack, characterized in that, The unlocking platform includes a base and a first support portion and a second support portion disposed on the base. The unlocking platform also includes a first driving portion and a second driving portion for driving the first support portion and the second support portion to move relative to the base.

2. The battery swapping vehicle according to claim 1, characterized in that, The first drive unit and / or the second drive unit drive the first load-bearing unit and the second load-bearing unit to move relative to each other through a meshing transmission mechanism.

3. The battery swapping vehicle according to claim 2, characterized in that, The meshing transmission mechanism includes a drive motor, a gear connected to the output shaft of the drive motor, and a guide rack meshing with the gear. The drive motor drives the gear to move along the guide rack to move the first bearing part and / or the second bearing part.

4. The battery swapping vehicle according to claim 3, characterized in that, Both the first and second bearing portions are provided with upper bearing plates arranged vertically at intervals and a support plate located below the upper bearing plates. The meshing transmission mechanism includes a mounting base for fixing the drive motor. The mounting base is fixed to the support plate to realize the synchronous movement of the upper bearing plate and the support plate.

5. The battery swapping trolley according to claim 4, characterized in that, The first bearing portion and the second bearing portion further include a lower bearing plate located between the upper bearing plate and the support plate, and the top and bottom surfaces of the mounting base are respectively fixed to the lower bearing plate and the support plate.

6. The battery swapping trolley according to claim 4, characterized in that, The gear is provided with a protective cover, one of which, along with the guide rack, is disposed on the base and the other on the support plate.

7. The battery swapping trolley according to claim 4, characterized in that, The battery swapping trolley includes a guide mechanism disposed on the base, and the support plate moves along the base via the guide mechanism.

8. The battery swapping trolley according to claim 7, characterized in that, The guiding mechanism includes a slide rail fixedly mounted on the base and a slider mounted on the bottom surface of the support plate and adapted to the slide rail. The support plate moves along the slide rail via the slider.

9. The battery swapping trolley according to claim 7, characterized in that, The base has a first step and a second step located below the support plate. The guide rack is fixed to the step surface of the first step, and the guide mechanism is fixed to the step surface of the second step.

10. The battery swapping trolley according to claim 1, characterized in that, The base is provided with multiple sensors along the width direction of the battery pack. The sensors are used to monitor the positions of the first support part and the second support part to determine whether the first support part and / or the second support part have moved into place.

11. The battery swapping trolley according to claim 7, characterized in that, The battery swapping vehicle includes a base, and a cam lifting mechanism and a limiting mechanism are provided between the base and the unlocking platform. The cam lifting mechanism is used to realize the lifting and lowering of the unlocking platform relative to the base, and the limiting mechanism is used to maintain the relative position between the unlocking platform and the base during the lifting and lowering process.

12. The battery swapping trolley according to claim 11, characterized in that, The cam lifting mechanism includes a lifting cam connected to the base and a lifting platform connected to the base. The lifting cam acts on the lifting platform to cause the lifting platform to move the unlocking platform. The limiting mechanism includes a first limiting plate disposed on the base and a second limiting plate disposed on the base. The first limiting plate and the second limiting plate form a limiting gap. The first limiting plate is provided with two axially perpendicular limiting wheels located within the limiting gap. The limiting wheels abut against the second limiting plate.

13. The battery swapping trolley according to claim 11, characterized in that, The guiding mechanism is located between the cam lifting mechanism and the limiting mechanism, and the cam lifting mechanism, the guiding mechanism and the limiting mechanism are located on two sides parallel to the width direction of the battery pack.

14. The battery swapping trolley according to claim 13, characterized in that, Both the first and second support portions are provided with a first positioning portion for cooperating with the body of the electric vehicle, a second positioning portion for cooperating with the battery pack, and an unlocking pin for unlocking the battery pack to be replaced. The two first positioning portions and the two second positioning portions are symmetrically arranged along the length direction of the battery pack. The first positioning portion, the second positioning portion, and the unlocking pin are located on two sides parallel to the length direction of the battery pack.

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