Battery transmission equipment and battery transfer system comprising same

Abstract

The invention discloses battery transmission equipment and a battery transfer system comprising the battery transmission equipment, the battery transmission equipment is used for transferring batteries among a plurality of battery bins arranged in the vertical direction of a battery rack, and the battery rack is provided with guide columns arranged in the vertical direction. The battery conveying equipment comprises a battery taking and placing mechanism used for taking and placing the battery from the battery compartment and a guide device, the guide device is arranged on the battery taking and placing mechanism, and the guide device is used for abutting against at least one side face of the guide column and is movably arranged along the guide column for guiding. According to the guiding device of the battery conveying equipment, lifting of the battery conveying equipment is guided through the side faces of the guiding columns of the battery rack provided with the battery bin positions, reliable lifting of the battery conveying equipment is guaranteed, meanwhile, the structural complexity of the battery conveying equipment is effectively simplified, the purpose of improving the operation reliability of the equipment is achieved, and the service life of the equipment is prolonged. And the manufacturing cost can be reduced.

Description

[0001] This application is a divisional of a Chinese invention patent with an application date of December 31, 2020, application number 202011635045.8, and name “Battery transmission equipment and battery transport system comprising the same”. Technical Field

[0002] The present invention relates to the field of battery replacement, and in particular to a battery transmission device and a battery transport system comprising the same. Background Art

[0003] At present, a Chinese patent application with patent number CN104773139A discloses a stacking device and a battery exchange device. By setting up a stacking walking mechanism, a lifting mechanism and a fork mechanism to cooperate with each other, objects can be taken and placed. Moreover, the lifting mechanism includes a lifting guide wheel that is rotatably connected to the pallet assembly and rollingly arranged in the frame, which plays a supporting and guiding role in the lifting and lowering process of the pallet assembly, thereby improving the stability of the lifting and lowering.

[0004] In order to lift and lower the tray assembly, the battery swapping equipment must additionally set a frame around the tray assembly for guiding the guide wheels. The frame will increase the structural complexity of the battery swapping equipment. Therefore, the processing and maintenance costs of the existing stacking device for achieving the guiding purpose are relatively high.

[0005] A Chinese patent application with Chinese patent number CN111717062A discloses a battery swap system for a heavy truck and a method of using the same, wherein a battery swap stacker is provided to transport batteries, wherein the battery swap stacker has a connected lifting device and a transverse movement device, wherein the lifting device and the transverse movement device are respectively used to achieve movement relative to a first frame in a vertical direction and a horizontal direction, wherein the first frame is formed on the battery swap stacker, and therefore, the provision of the first frame increases the overall weight of the battery swap stacker, resulting in a complex structure of the battery swap stacker, which is not conducive to reliable and accurate movement of the battery swap stacker. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the defects of the battery swap stacker in the prior art, such as large overall weight, complex structure and high maintenance cost, and to provide a battery transmission device and a battery transfer system including the same.

[0007] The present invention solves the above technical problems through the following technical solutions:

[0008] A battery transport device, the battery transport device is used to transfer batteries between a plurality of battery positions arranged in a vertical direction of a battery rack, the battery rack has a guide column arranged in a vertical direction, and is characterized in that the battery transport device comprises: a battery picking and placing mechanism and a guiding device for picking and placing batteries from the battery positions,

[0009] The guiding device is arranged on the battery taking and placing mechanism, and is used to abut against at least one side surface of the guiding column, and is movably arranged along the guiding column for guiding.

[0010] The guide device of the battery transmission equipment guides the lifting and lowering of the battery transmission equipment by utilizing the side of the guide column of the battery rack where the battery compartment is set. While ensuring the reliable lifting and lowering of the battery transmission equipment, there is no need to set a separate guide column on the battery transmission equipment, thereby effectively simplifying the structural complexity of the battery transmission equipment, reducing the weight of the battery transmission equipment, achieving the purpose of improving the operating reliability of the equipment, and reducing the manufacturing cost.

[0011] At the same time, by guiding the battery transmission equipment relative to the guide column on the battery rack through the guiding device, the consistency of the position of the battery transmission equipment relative to the battery position can be ensured, which facilitates the battery picking and placing mechanism to accurately pick up and place the battery relative to the battery position.

[0012] Preferably, the guiding device comprises a roller assembly, the roller assembly is connected to the battery taking and placing mechanism, a rolling surface of the roller assembly abuts against at least one side surface of the guide column, and is rollably arranged relative to the guide column.

[0013] The guide device realizes the purpose of rolling movement relative to the side of the guide column by arranging a roller assembly. The rolling movement mode can ensure the smoothness of the guidance and improve the guidance effect.

[0014] Preferably, the roller assembly has two relatively independent rolling surfaces, the two rolling surfaces respectively abut against two side surfaces of the guide column, and the two side surfaces are arranged at an angle.

[0015] This structural arrangement can further improve the guiding reliability of the guiding device on the guide column, and at the same time, the positioning position of the guiding device relative to the guide column will also be more accurate.

[0016] Preferably, the two rolling surfaces of the roller assembly are arranged to match the side surfaces of the guide column, and the angle between the two rolling surfaces is 90 to 180 degrees.

[0017] When the angle between the two rolling surfaces is between 90 degrees and 180 degrees, the different rolling surfaces of the roller assembly can respectively match the side wall shape of the guide column to improve the fit and position accuracy of the guide device relative to the guide column, and the guiding effect of the guide device is better.

[0018] Preferably, at least one side surface of the guide column is provided with a guide rail or a slide groove, and a corresponding position of the guide device is provided with a matching slide groove or guide rail.

[0019] By arranging a guide rail or a slide groove which matches the side surface of the guide column on the guide device, the position of the guide device relative to the guide column can be more accurate when the guide device rolls relative to the guide column through the roller assembly.

[0020] Preferably, the battery transmission device further comprises a transmission mechanism, which comprises a transmission belt fixed to the guide column at both ends in the vertical direction and extending along the guide direction, and the battery pick-and-place mechanism can be moved via the transmission belt.

[0021] This structural setting provides a preferred implementation scheme for reliably lifting and lowering the battery transmission equipment relative to the guide column, wherein the battery picking and placing mechanism moves relative to the transmission belt, and the transmission belt is fixed on the guide column. By extending the setting distance of the transmission belt on the guide column, the lifting and lowering stroke of the battery picking and placing mechanism can be simply increased.

[0022] Preferably, the transmission mechanism further comprises a driving wheel, the driving wheel is arranged on the battery pick-and-place mechanism, and the two ends of the transmission belt are connected to the two ends of the guide column in a one-to-one correspondence;

[0023] The guiding device further comprises a guide wheel, and the guide wheel is arranged on the battery taking and placing mechanism.

[0024] The transmission belt passes between the driving wheel and the guide wheel and meshes with the driving wheel. The guide wheel is rollably arranged relative to the transmission belt and presses the transmission belt against the side of the guide column for guidance.

[0025] The guide wheel has both the functions of positioning the transmission belt and guiding, which can effectively simplify the structure of the battery transmission equipment and make the equipment more compact.

[0026] Preferably, the guide wheel includes a first guide wheel and a second guide wheel, the first guide wheel and the second guide wheel are arranged on both sides of the driving wheel at a preset interval in the vertical direction, and the transmission belt passes between the first guide wheel and the driving wheel, and between the driving wheel and the second guide wheel in sequence.

[0027] By arranging a pair of guide wheels to position the transmission belt relative to the driving wheel, the driving wheel can be more closely fitted to the transmission belt, and slippage between the driving wheel and the transmission belt can be avoided, thereby improving the reliability of guiding and positioning the transmission belt.

[0028] Preferably, the guide wheel is a drum-shaped transmission wheel.

[0029] By using a drum-shaped transmission wheel as a guide wheel, the ability of the guide wheel to locate the position of the transmission belt is improved, thereby preventing the transmission belt from coming off relative to the guide wheel in the non-transmission direction.

[0030] Preferably, the guiding device further comprises two limit plates which are arranged on both axial sides of the guide wheel and connected to the guide wheel, and the limit plates are used to limit the transmission belt from disengaging from the axial direction.

[0031] This structural arrangement provides a preferred structural implementation scheme for preventing the transmission belt from coming off relative to the guide wheel in the non-transmission direction.

[0032] Preferably, the guiding device further comprises a roller assembly which is arranged on the battery taking and placing mechanism and corresponds to the side surface adjacent to the transmission belt.

[0033] The guiding device guides or lifts and drives the guide on different sides of the guide column, so that the position relationship of the battery taking and placing mechanism relative to the guide column is more compact.

[0034] A battery transport system comprises the battery transmission device as described above.

[0035] The guiding device of the battery transfer system uses the side of the guide column of the battery rack where the battery storage position is set to guide the lifting and lowering of the battery transmission device, which effectively simplifies the structural complexity of the battery transmission device while ensuring the reliable lifting and lowering of the battery transmission device, thereby achieving the purpose of improving the reliability of the equipment operation and reducing the manufacturing cost. At the same time, by guiding the battery transmission device relative to the guide column on the battery rack through the guiding device, the consistency of the position of the battery transmission device relative to the battery storage position can also be ensured, so that the battery picking and placing mechanism can accurately pick up and place the battery relative to the battery storage position.

[0036] Preferably, the battery transport system also includes two rows of battery racks arranged at a preset interval, the battery transmission equipment is located between the two rows of battery racks, the two rows of battery racks have a plurality of columns arranged in a vertical direction, four columns corresponding one by one to the four ends of the battery transmission equipment are reused as the guide columns, and the reused columns have guide surfaces that cooperate with the battery transmission equipment.

[0037] By utilizing some of the columns of the battery rack as guide columns for guiding or lifting the battery transmission equipment, the relative position of the battery transmission equipment to the battery rack becomes more compact and precise. The position of the battery transmission equipment with respect to each layer of the battery rack during lifting and lowering can be guaranteed by the position of the columns, thus simplifying the process of adjusting parallelism during installation and effectively reducing the difficulty of installation and debugging.

[0038] The positive and progressive effects of the present invention are:

[0039] The guiding device of the battery transmission equipment and the battery transfer system including the same guides the lifting and lowering of the battery transmission equipment by utilizing the side surfaces of the guide columns of the battery rack where the battery compartment is arranged. While ensuring the reliable lifting and lowering of the battery transmission equipment, there is no need to separately arrange guide columns on the battery transmission equipment, thereby effectively simplifying the structural complexity of the battery transmission equipment, reducing the weight of the battery transmission equipment, achieving the purpose of improving the operating reliability of the equipment, and being able to reduce manufacturing costs.

[0040] At the same time, by guiding the battery transmission equipment relative to the guide column on the battery rack through the guiding device, the consistency of the position of the battery transmission equipment relative to the battery position can be ensured, which facilitates the battery picking and placing mechanism to accurately pick up and place the battery relative to the battery position. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a schematic structural diagram of the battery transport system of Example 1 of the present invention.

[0042] Figure 2 This is a schematic diagram of the structure of the battery rack of Example 1 of the present invention.

[0043] Figure 3 This is a schematic diagram of the structure of the battery transmission device according to Example 1 of the present invention.

[0044] Figure 4 It is a schematic diagram of the structure of the guiding device of Example 1 of the present invention.

[0045] Figure 5 This is a schematic structural diagram of the roller assembly of Example 1 of the present invention (I).

[0046] Figure 6 This is a schematic structural diagram of the roller assembly of Example 1 of the present invention (II).

[0047] Figure 7 It is a schematic diagram of the layout of the guide device relative to the guide column of Example 1 of the present invention.

[0048] Figure 8 It is a schematic diagram of the partial structure of the battery transmission equipment of Example 1 of the present invention.

[0049] Fig. 9 This is a schematic diagram of the layout of the guiding device of the battery transmission equipment according to Example 1 of the present invention.

[0050] Fig.10 It is a schematic diagram of the structure of the battery transport system of Example 2 of the present invention.

[0051] Fig.11 This is a schematic diagram of the structure of the guiding device of Example 3 of the present invention.

[0052] Description of reference numerals:

[0053] Battery Transport System 100

[0054] Battery transfer equipment 10

[0055] Battery pick-and-place mechanism 1

[0056] Roller assembly 21, bearing seat 211, fixed shaft 212, ball bearing 213, guide wheel 214, rolling surface 214a, protective cover 215, stopper 216, fixed plate 217, adjustment bolt 218

[0057] The first guide wheel 221 and the second guide wheel 222

[0058] Sliding assembly 23, guide rail 231, slide groove 232

[0059] Transmission mechanism 3

[0060] Transmission belt 31

[0061] Driving wheel 32

[0062] Driving mechanism 33

[0063] Transmission parts 34

[0064] Press block 35

[0065] Car 4

[0066] Battery rack 20

[0067] Column 21

[0068] Battery compartment 30

[0069] Guide column 40 DETAILED DESCRIPTION

[0070] The present invention is further described below by way of examples, but the present invention is not limited to the scope of the examples.

[0071] Example 1

[0072] The present invention provides a battery transport system, which includes a battery transmission device, a battery rack, and a plurality of battery positions arranged on the battery rack. Figure 1 As shown, it is a structural schematic diagram of the battery transport system 100 of this embodiment. In this embodiment, the number of battery racks 20 is two columns, and the two columns of battery racks 20 are arranged at a preset interval, and the battery transmission equipment 10 is arranged between the two columns of battery racks 20.

[0073] like Figure 2As shown, each column of battery racks 20 is composed of a frame structure, specifically including more than four columns 21 arranged in the vertical direction, distributed at the four corners of the battery rack 20, and multiple battery positions 30 are evenly distributed on the battery rack 20 along the height direction, so that the battery transmission equipment 10 needs to be raised and lowered relative to the battery rack 20 to take and place batteries from each battery position 30.

[0074] like Figure 3 As shown, the battery transport device 10 includes a car 4, a battery pick-up and placement mechanism 1, a guide device and a transmission mechanism 3. The battery pick-up and placement mechanism 1, the guide device and the transmission mechanism 3 are all arranged on the car 4. The battery pick-up and placement mechanism 1 realizes the purpose of picking up and placing batteries from the battery compartment 30 by means of a telescopic mechanism, etc. The guide device guides the lifting and lowering of the battery transport device 10. Figure 1 In this embodiment, the guide column 40 for guiding the guide device is the column 21 of the battery rack 20, specifically, the column 21 of each battery rack 20 facing the battery transmission device 10. The guide device abuts against at least one side of the guide column 40 of the battery rack 20 and moves up and down relatively along the guide column 40, thereby guiding the battery transmission device 10 to accurately rise and fall relative to the battery rack 20, so as to take and place batteries from each battery position 30.

[0075] The guide device uses the side of the guide column 40 of the battery rack 20 where the battery position 30 is set to guide the lifting and lowering of the battery transmission device 10. While ensuring the reliable lifting and lowering of the battery transmission device 10, it effectively simplifies the structural complexity of the battery transmission device 10, achieves the purpose of improving the reliability of the equipment operation, and can reduce the manufacturing cost. At the same time, by guiding the battery transmission device 10 relative to the guide column 40 on the battery rack 20 through the guide device, the consistency of the position of the battery transmission device 10 relative to the battery position 30 can also be ensured, which facilitates the battery pick-up and placement mechanism 1 to accurately pick up and place the battery relative to the battery position 30.

[0076] Compared with the battery transport system 100 in the prior art which additionally provides a guide column 40 independent of the battery rack 20 to guide the guide device of the battery transport equipment 10, the battery transport equipment 10 in this embodiment utilizes the column 21 of the battery rack 20 as the guide column 40, so that the structural consistency of the guide column 40 relative to the battery rack 20 is good, and the structure of the battery transport system 100 is simplified at the same time.

[0077] Specifically, in this embodiment, Figure 4As shown, the guide device for moving and guiding relative to the guide column 40 provided on the battery rack 20 has a roller assembly 21, which is connected and fixed to the car 4. The roller assembly 21 has a rolling surface 214a facing the side of the guide column 40, and the rolling surface 214a abuts against the side of the guide column 40 and rolls relative to the guide column 40 in the vertical direction. By providing the roller assembly 21, the purpose of rolling movement relative to the side of the guide column 40 is achieved. This rolling movement method can ensure the smoothness of the guidance, improve the guiding effect of the guide device, and make the battery transmission device 10 rise and fall smoothly.

[0078] Herein, a specific structural scheme of the roller assembly 21 in this embodiment is provided: Figure 4-Figure 6 As shown, the roller assembly 21 includes a bearing seat 211, a fixed shaft 212, a ball bearing 213 and a guide wheel 214, and a rolling surface 214a is provided on the guide wheel 214. The bearing seat 211 is a mounting seat, which is used to be fixedly connected with the car 4 by bolts or the like. The surface of the bearing seat 211 is formed with an axial hole for the fixed shaft 212 to pass through, so that the fixed shaft 212 is installed on the bearing seat 211. The guide wheel 214 is connected to the fixed shaft 212 through two sets of ball bearings 213, so that the guide wheel 214 can rotate relative to the fixed shaft 212 with low resistance, so as to achieve the purpose of positioning on the guide column 40 and rolling.

[0079] The roller assembly 21 also includes a protective cover 215 and a stopper 216. The protective cover 215 covers the side of the guide wheel 214 away from the bearing seat 211, and the edge of the protective cover 215 extends toward the bearing seat 211 and is connected to the surface of the bearing seat 211. The purpose of providing the protective cover 215 is to protect the guide wheel 214, improve the durability of the guide wheel 214, and prevent foreign matter from invading the inside of the roller assembly 21 and causing damage. The fixed shaft 212 passes through the surface of the protective cover 215. A stopper 216 is also provided on the surface of the protective cover 215. The end of the stopper 216 abuts against the corresponding plane at the end of the fixed shaft 212 to limit the rotation of the fixed shaft 212, so that the guide wheel 214 rotates relative to the fixed shaft 212 when rolling.

[0080] In addition, in this embodiment, the stopper 216 is arranged on a side away from the bearing seat 211 relative to the fixed shaft 212, and is specifically fixed to the protective cover 215 by screws. When the stopper 216 is removed from the protective cover 215, the stopper 216 can not only release the rotation restriction of the fixed shaft 212, but also release the position restriction of the fixed shaft 212, so that the fixed shaft 212 can be directly removed from the roller assembly 21, and further achieve the purpose of quickly replacing the guide wheel 214 and the ball bearing 213.

[0081] The roller assembly 21 provided in this embodiment can quickly replace the fixed shaft 212, the ball bearing 213 and the guide wheel 214 only by disassembling and assembling the limiter 216 without removing the protective cover 215.

[0082] The roller assembly 21 may further include an adjusting member, which is used to adjust the spacing between the bearing seat 211 and the guide column 40. The adjusting member in this embodiment includes a fixing plate 217 fixed to the car 4 and an adjusting bolt 218. The fixing plate 217 has a threaded hole extending in the adjustment direction. The adjusting bolt 218 is screwed into the threaded hole, and the end of the adjusting bolt 218 is against the bearing seat 211 of the roller assembly 21. By screwing the adjusting bolt 218, the adjusting bolt 218 can push the bearing seat 211 to move toward the guide column 40, so as to achieve the purpose of adjusting the spacing between the guide wheel 214 of the roller assembly 21 and the guide column 40.

[0083] Preferably, for a single guide column 40, the guide device may be provided with two relatively independent groups of roller assemblies 21, so that the rolling surfaces 214a of the two groups of roller assemblies 21 roll on two different sides of the guide column 40 respectively. Figure 7 , wherein the battery rack 20 connected to the guide column 40 is not shown, and the guide device realizes the positioning of the guide device relative to the guide column 40 by rolling on two different side surfaces set at an angle to the guide column 40, so as to improve the guiding reliability of the guide device to the guide column 40, and at the same time, the positioning position of the guide device relative to the guide column 40 will also be more accurate. Wherein, the guide column 40 is composed of a square steel tube, so the angle between the two adjacent side surfaces is 90 degrees. For other embodiments, guide columns 40 of other shapes, the angle between the two rolling surfaces 214a of the roller assembly 21 should be in the range of 90 to 180 degrees, so that the different rolling surfaces 214a of the roller assembly 21 respectively match the side wall shape of the guide column 40, so as to achieve the purpose of better fitting the guide column 40, and at the same time, within this angle range, the fit between the roller assembly 21 and the guide column 40 is also good, which can further improve the guiding effect.

[0084] Of course, in other embodiments, when there are multiple guide columns 40 arranged on the battery rack 20, the rolling surfaces 214a of different groups of roller assemblies 21 can be made to roll on the sides of different guide columns 40, or on the sides of different guide columns 40 in different directions, so as to further improve the guiding reliability of the guiding device for each guide column 40, so as to enable the battery transmission equipment 10 to be lifted and lowered stably and reliably.

[0085] like Figure 8As shown, in this embodiment, the transmission mechanism 3 of the battery transmission device 10 includes a transmission belt 31, a driving wheel 32 and a driving mechanism 33. The transmission belt 31 is fixed on one side of the guide column 40 along the vertical direction, and the two ends of the transmission belt 31 are fixed to the top and bottom of the guide column 40 respectively through the clamping block 35; the driving wheel 32 and the driving mechanism 33 are both arranged on the car 4, and the driving wheel 32 and the rotating shaft of the driving mechanism 33 are connected through the transmission member 34, so that the driving wheel 32 rotates under the drive of the driving mechanism 33. The driving wheel 32 is sleeved on the transmission belt 31 and meshes with the transmission belt 31, so that the rotation of the driving wheel 32 can drive the battery transmission device 10 to move up and down relative to the transmission belt 31, that is, the guide column 40.

[0086] This structural setting provides a preferred implementation scheme for reliably lifting and lowering the battery transfer device 10 relative to the guide column 40, wherein the battery pick-up and placement mechanism 1 moves relative to the transmission belt 31, and the transmission belt 31 is fixed on the guide column 40. By extending the setting distance of the transmission belt 31 on the guide column 40, the lifting and lowering stroke of the battery pick-up and placement mechanism 1 can be simply increased.

[0087] In this embodiment, the driving mechanism 33 is a rotating motor, which is arranged on the top of the car 4 and above the battery pick-up and placement mechanism 1, so as to avoid the setting of the driving mechanism 33 affecting the battery pick-up and placement mechanism 1. The transmission member 34 is a chain, which transmits the rotation of the gear set on the rotating shaft of the driving mechanism 33 to the gear set on the driving wheel 32 to achieve the purpose of driving the driving wheel 32 to rotate. Among them, the reliability is better through chain transmission, which can improve the transmission accuracy. In addition, the number of rotating motors is two, so as to respectively drive the driving wheels 32 located on both sides of the battery transmission equipment 10 to rotate, thereby improving the overall lifting torque.

[0088] On this basis, the guiding device also includes a guide wheel, such as Figure 8 As shown, in this embodiment, the guide wheel includes a first guide wheel 221 and a second guide wheel 222, and the first guide wheel 221 and the second guide wheel 222 are both arranged on the battery pick-and-place mechanism 1, and the transmission belt 31 passes through the driving wheel 32, the first guide wheel 221 and the second guide wheel 222 and meshes with the driving wheel 32, and the two guide wheels can roll relative to the transmission belt 31, and press the transmission belt 31 against the side of the guide column 40 for guidance. In this structural setting, the guiding device sets the guide wheel near the driving wheel 32 of the transmission mechanism 3, so that the first guide wheel 221 and the second guide wheel 222 have both the functions of positioning the transmission belt 31 and guiding, which can effectively simplify the structure of the battery transmission device 10 and make the device more compact.

[0089] Specifically, Figure 8As shown, the first guide wheel 221 and the second guide wheel 222 are arranged at the upper and lower sides of the driving wheel 32 at a preset interval in the vertical direction, and the transmission belt 31 passes between the first guide wheel 221 and the driving wheel 32, and between the driving wheel 32 and the second guide wheel 222 in sequence, so that the first guide wheel 221 and the second guide wheel 222 can limit the degree of fit between the transmission belt 31 and the driving wheel 32. By arranging the guide wheels in pairs to position the transmission belt 31 relative to the driving wheel 32, the fit between the driving wheel 32 and the transmission belt 31 is made tighter, and the transmission between the driving wheel 32 and the transmission belt 31 is also more reliable, so as to improve the reliability of guiding and positioning the transmission belt 31. Of course, in other embodiments, the number of guide wheels can also exceed two to improve the ability to guide by pressing the transmission belt 31 against the side of the guide column 40.

[0090] The guide wheel can be a drum-shaped transmission wheel. By using a drum-shaped transmission wheel as a guide wheel, the ability of the guide wheel to locate the position of the transmission belt 31 can be improved, the transmission belt 31 can be prevented from slipping out relative to the guide wheel in the non-transmission direction, and the connection reliability between the transmission belt 31 and the guide device can be improved.

[0091] In addition, the guide device also includes two limit plates (not shown in the figure) arranged on both sides of the axial direction of the guide wheel and connected to the guide wheel. The limit plates are used to limit the transmission belt 31 from axially disengaging, so as to prevent the transmission belt 31 from disengaging in the non-transmission direction relative to the guide wheel, thereby improving the connection reliability between the transmission belt 31 and the guide device. This structural setting is simple in structure and low in cost.

[0092] The roller assembly 21 and the guide wheel arranged near the driving wheel 32 roll respectively corresponding to different sides of the guide column 40, so as to improve the guiding accuracy and positioning reliability of the guiding device by guiding different sides respectively. Fig. 9 As shown, the roller assembly 21 and the guide wheel respectively roll on two adjacent side surfaces of the guide column 40 to achieve guidance, so that the position relationship of the battery pick-and-place mechanism 1 relative to the guide column 40 is more compact.

[0093] Example 2

[0094] The present invention also provides a battery transport system 100, the structure of which is substantially the same as the battery transport system 100 provided in Example 1, except that: Fig.10As shown, in this embodiment, the battery rack 20 has four guide columns 40 for the guide device to guide, which are the four columns 21 of the battery rack 20 corresponding to the four ends of the battery transmission device 10. These four columns 21 are reused as the guide columns 40 for the guide device to guide, so that the relative position of the battery transmission device 10 with respect to the battery rack 20 is more compact and accurate. When the battery transmission device 10 is lifted or lowered, the position of each layer of the battery rack 20 can be guaranteed by the position of the columns 21, which simplifies the process of adjusting the parallelism during the installation process and effectively reduces the difficulty of installation and debugging.

[0095] Specifically, one side surface on each guide column 40 serves as a guide surface for setting the transmission belt 31 of the transmission mechanism 3. The guide surface is the side of the guide column 40 facing the battery transmission equipment 10, and the roller assembly 21 of the guide device is set on another guide surface perpendicular to the guide surface on which the transmission belt 31 is set. Therefore, for the battery transmission equipment 10, each battery rack 20 provides two guide surfaces for lifting and lowering the battery transmission equipment 10. At the same time, including the above-mentioned two guide surfaces, each battery rack 20 provides four guide surfaces for guiding the battery transmission equipment 10. This structural setting can further improve the position accuracy between the battery transmission equipment 10 and the battery rack 20, and ensure that the battery picking and placing mechanism 1 accurately picks and places the battery relative to the battery compartment 30.

[0096] Example 3

[0097] The present invention also provides a battery transport system, the structure of which is substantially the same as the battery transport system 100 provided in Example 1, except that, in this embodiment, the guide device further includes a sliding assembly 23 for guiding relative to the guide column 40. Specifically, as Fig.11 As shown, it is a top view of the sliding assembly 23, and the sliding assembly 23 includes a slide groove 232, which is arranged on the side of the car 4. The slide groove 232 matches with the guide rail 231 fixed on the side of the guide column 40 to achieve the purpose of guiding the battery transmission device 10 relative to the guide column 40 arranged on the battery rack 20. Among them, the cross-sectional shape of the slide groove 232 in this embodiment is C-shaped, and it matches with the protruding part on the guide rail 231 to achieve the guiding function.

[0098] By providing a guide rail 231 or a slide groove 232 on the guide device that matches the side of the guide column 40, when the guide device rolls relative to the guide column 40 through the roller assembly 21, the position of the guide device relative to the guide column 40 is more accurate.

[0099] The sliding component 23 of the guiding device can also work together with other components in the guiding device to position the guide column 40, thereby improving the positioning and guiding effects.

[0100] Of course, in other embodiments, the slide groove 232 of the sliding assembly 23 may also be disposed on the guide column 40 to slide relative to the guide rail 231 disposed on the car 4 to achieve the same purpose.

[0101] Although the specific embodiments of the present invention are described above, it should be understood by those skilled in the art that this is only for illustration and the protection scope of the present invention is defined by the appended claims. Those skilled in the art may make various changes or modifications to these embodiments without departing from the principles and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.

Claims

1. A battery transport device, the battery transport device is used to transfer batteries between a plurality of battery positions arranged along the vertical direction of a battery rack, the battery rack having a guide column arranged along the vertical direction, characterized in that: The battery transmission equipment comprises: a battery taking and placing mechanism, a transmission mechanism and a guiding device for taking and placing batteries from the battery compartment. The transmission mechanism includes a transmission belt fixed to the guide column at both ends in the vertical direction and extending in the guide direction, and the battery pick-and-place mechanism can move through the transmission belt; The guiding device comprises a roller assembly, which is connected to the battery taking and placing mechanism. The roller assembly has two relatively independent rolling surfaces, which respectively abut against two side surfaces of the guide column and can move along the guide column for guiding.

2. The battery transmission device according to claim 1, characterized in that: The two rolling surfaces of the roller assembly are arranged to match the side surfaces of the guide column, and the two side surfaces are arranged at an angle; preferably, the angle between the two rolling surfaces is 90 to 180 degrees.

3. The battery transmission device according to claim 1, characterized in that: At least one side surface of the guide column is provided with a guide rail or a sliding groove, and a corresponding position of the guide device is provided with a matching sliding groove or guide rail.

4. The battery transmission device according to claim 1, characterized in that: The transmission mechanism further includes a driving wheel, which is arranged on the battery pick-and-place mechanism. The two ends of the transmission belt are connected to the two ends of the guide column in a one-to-one correspondence. The guiding device further comprises a guide wheel, and the guide wheel is arranged on the battery taking and placing mechanism. The transmission belt passes between the driving wheel and the guide wheel and meshes with the driving wheel. The guide wheel is rollably arranged relative to the transmission belt and presses the transmission belt against the side of the guide column for guidance.

5. The battery transmission device according to claim 4, characterized in that: The guide wheel includes a first guide wheel and a second guide wheel, and the first guide wheel and the second guide wheel are arranged on both sides of the driving wheel at a preset interval in the vertical direction, and the transmission belt passes between the first guide wheel and the driving wheel, and between the driving wheel and the second guide wheel in sequence.

6. The battery transmission device according to claim 4, characterized in that: The guide wheel is a drum-shaped transmission wheel.

7. The battery transmission device according to claim 4, characterized in that: The guiding device also includes two limit plates which are arranged on both axial sides of the guide wheel and connected to the guide wheel, and the limit plates are used to limit the transmission belt from disengaging from the axial direction.

8. The battery transmission device according to claim 1, characterized in that: The guiding device also includes a roller assembly which is arranged on the battery taking and placing mechanism and corresponds to a side surface adjacent to the transmission belt.

9. A battery transport system, characterized in that: The battery transport system comprises the battery transport device according to any one of claims 1-8.

10. The battery transport system according to claim 9, characterized in that: The battery transport system also includes two rows of battery racks arranged at a preset interval, the battery transmission equipment is located between the two rows of battery racks, the two rows of battery racks have a plurality of columns arranged in a vertical direction, four columns corresponding one by one to the four ends of the battery transmission equipment are reused as the guide columns, and the reused columns have guide surfaces that cooperate with the battery transmission equipment.

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