CN219214752U - Battery pack charging rack and passenger car power exchange station - Google Patents

Abstract

The utility model discloses a battery pack charging rack and a passenger car power exchange station, and belongs to the technical field of charging racks. The battery pack charging frame comprises a charging support frame, a first width adjusting assembly, a second width adjusting assembly and a first middle support frame, wherein the battery pack is configured to be placed on the first support frame, the first middle support frame and the second support frame, and two opposite sides of the battery pack are respectively abutted with a first limiting block and a second limiting block. The first middle support frame can be installed in a plurality of third connecting holes, can adjust the position of first middle support frame on middle crossbeam, and first stopper can be installed in a plurality of first connecting holes departments, and the second stopper can be installed in a plurality of second connecting holes departments, can be through adjusting the position of first stopper and second stopper on first support frame and second support frame respectively, and then adjust the interval between first stopper and the second stopper, adapt to the battery package of different width types.

Description

Battery pack charging rack and passenger car power exchange station

Technical Field

The utility model relates to the technical field of charging frames, in particular to a battery pack charging frame and a passenger car power exchange station.

Background

The existing battery pack charging frame of the passenger car battery replacement station is small in volume and occupied area, but the type structure of the battery pack buffer charging frame is single, the battery pack charging frame is compatible with a battery pack of a single vehicle type, and two or more vehicle types cannot be simultaneously serviced to perform battery pack battery replacement work, so that the battery pack buffer charging frame is poor in compatibility.

For this reason, it is highly desirable to provide a battery pack charging rack and a passenger car battery exchange station to solve the above-described problems.

Disclosure of Invention

The utility model aims to provide a battery pack charging rack and a passenger car power exchange station, which can meet the charging requirements of various battery packs and have wide application range.

In order to achieve the above object, the following technical scheme is provided:

a battery pack charging rack for placement or charging of a battery pack, comprising:

the charging support frame is provided with multiple layers along the vertical direction, each layer of charging support frame is provided with a first beam, a middle beam and a second beam, and the first beam and the second beam are respectively arranged at two ends of the middle beam at intervals;

the first width adjusting assembly comprises a first supporting frame and a first limiting block, the first supporting frame is vertically arranged on one side, close to the second cross beam, of the first cross beam, a plurality of first connecting holes are formed in the first supporting frame along the length direction of the first supporting frame, and the first limiting block is detachably connected to the first connecting holes;

the second width adjusting assembly comprises a second supporting frame and a second limiting block, the second supporting frame is vertically arranged on one side, close to the first beam, of the second beam, a plurality of second connecting holes are formed in the second supporting frame in a arraying mode along the length direction of the second supporting frame, and the second limiting block is detachably connected to the second connecting holes;

the inner side wall of the middle cross beam is provided with a plurality of third connecting holes along the length direction of the middle cross beam, the first middle support frame is vertically arranged at the third connecting holes of the middle cross beam, and the upper surfaces of the first support frame, the first middle support frame and the second support frame are all positioned on the same horizontal plane;

the battery pack is configured to be placed on the first support frame, the first middle support frame and the second support frame, and two opposite sides of the battery pack are respectively abutted to the first limiting block and the second limiting block.

As an alternative scheme of the battery pack charging frame, the battery pack charging frame further comprises a second middle supporting frame and a locating pin arranged on the second middle supporting frame, one end of the second middle supporting frame is vertically arranged at the third connecting hole of the middle cross beam, and the locating pin is matched with the shape of the locating hole at the bottom of the battery pack.

As an alternative scheme of the battery pack charging frame, the upper surfaces of the first supporting frame, the first middle supporting frame and the second supporting frame are all provided with damping rubber cushion blocks.

As an alternative scheme of the battery pack charging frame, each layer of charging support frame is provided with a charging plug mechanism, and the charging plug mechanism can be lifted up and down relative to the charging support frame.

As an alternative scheme of the battery pack charging frame, the battery pack charging frame further comprises a supporting upright post, and the supporting upright post is vertically arranged between the first supporting frames of the two adjacent layers of charging supporting frames.

As an alternative scheme of the battery pack charging frame, the battery pack charging frame further comprises a lifting mechanism, and the lifting mechanism is arranged below the lowest layer of the charging support frame and used for lifting and carrying the battery pack.

As the alternative scheme of battery package charging frame, elevating system includes installation frame, vertical slide rail and lift supporting bench, the installation frame install in the below of charging support frame, the first end of vertical slide rail install in the installation frame, the other end is installed in the footing, the lift supporting bench slides and locates on the vertical slide rail.

As the alternative scheme of battery package charging frame, hoist mechanism includes driving sprocket, first drive chain and driven sprocket, driving sprocket rotate set up in the installation frame, two the lower part between the vertical slide rail is erect and is installed the roof beam, driven sprocket rotate set up in on the installation roof beam, first drive chain around locating driving sprocket with driven sprocket, the one end of lift brace table with the chain rigid coupling of first drive chain.

As an alternative scheme of the battery pack charging frame, the lifting mechanism further comprises a fixed supporting table, the fixed supporting table comprises a fixed supporting beam and a rotating supporting beam, one end of the fixed supporting beam is fixedly arranged on the upper portion of the vertical sliding rail, the other end of the fixed supporting beam is rotatably provided with the rotating supporting beam, and one end of the rotating supporting beam is stopped on a blocking plate of the fixed supporting beam.

A passenger car battery exchange station comprising a battery pack charging rack as claimed in any one of the preceding claims.

Compared with the prior art, the utility model has the beneficial effects that:

according to the battery pack charging frame, the multi-layer charging support frames are arranged in the vertical direction and used for placing battery packs, each layer of charging support frame is surrounded by the first cross beam, the middle cross beam and the second cross beam to form a charging bin, the battery packs can be placed in the charging bin from the front of the charging support frame, the first cross beam is provided with the first support frame, the second cross beam is provided with the second support frame, the middle cross beam is provided with the first middle support frame, the weight of the battery packs is conveniently and stably supported, the first middle support frame can be arranged at a plurality of third connecting holes and can adjust the position of the first middle support frame on the middle cross beam, the first limiting block can be arranged at a plurality of first connecting holes and the second limiting block can be arranged at a plurality of second connecting holes, and the distance between the first limiting block and the second limiting block can be adjusted by adjusting the positions of the first limiting block and the second limiting block on the first support frame and the second support frame respectively, so that the battery packs with different width types can be adapted.

The battery pack charging rack is suitable for battery packs with different width types, the application range of the battery pack charging station for the passenger car is enlarged, and the battery pack charging requirements of different car types are met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is an assembly schematic view of a battery pack charging rack according to an embodiment of the utility model at a first view angle;

fig. 2 is an assembly schematic diagram of a battery pack charging rack according to a second view angle of the embodiment of the utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B in FIG. 2;

FIG. 5 is an enlarged view of a portion of FIG. 2 at C;

FIG. 6 is a partial enlarged view at D in FIG. 2;

FIG. 7 is an enlarged view of a portion of FIG. 2 at E;

fig. 8 is an assembly schematic view of a battery pack charging rack according to a third view angle of an embodiment of the present utility model;

FIG. 9 is a schematic view of a first view of a fixed support table according to an embodiment of the present utility model;

fig. 10 is a schematic structural diagram of a second view of the fixed support table according to an embodiment of the present utility model.

Reference numerals:

1. a charging support; 2. a first width adjustment assembly; 3. a second width adjustment assembly; 4. a charging plug mechanism; 5. a lifting mechanism; 6. a wire slot; 7. a footing; 8. a driving motor; 9. a second drive chain; 10. a long rotating shaft;

11. a first cross beam; 12. a middle cross beam; 121. a third connection hole; 13. a second cross beam; 14. a first intermediate support frame; 15. a second intermediate support frame; 16. a positioning pin; 17. damping rubber cushion blocks; 18. a support column;

21. a first support frame; 22. a first limiting block; 221. a first bar-shaped hole; 23. a first connection hole;

31. a second support frame; 32. a second limiting block; 321. a second bar-shaped hole; 33. a second connection hole;

51. a frame is installed; 52. a vertical slide rail; 53. lifting the supporting table; 54. a drive sprocket; 55. a first drive chain; 56. a driven sprocket; 57. mounting a beam; 58. a fixed support table; 581. fixing the support beam; 582. rotating the support beam; 583. and a blocking plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

The existing battery pack buffer storage charging frame of the passenger car battery replacement station has the defects that the volume and the occupied area are not large, the type structure of the battery pack buffer storage charging frame is single, only a battery pack of a single vehicle type can be compatible, and two or more vehicle types cannot be simultaneously serviced to perform battery pack battery replacement work, so that the battery pack buffer storage charging frame is poor in compatibility.

In order to meet the charging requirements of various battery packs, the application range is wide, and the battery pack charging rack and the passenger car battery replacement station are provided for placing or charging the battery packs. The details of the present embodiment are described in detail below with reference to fig. 1 to 10.

As shown in fig. 1 to 5, the battery pack charging rack comprises a charging support frame 1, a first width adjusting assembly 2, a second width adjusting assembly 3 and a first middle support frame 14, wherein the charging support frame 1 is provided with multiple layers along the vertical direction, each layer of charging support frame 1 is provided with a first cross beam 11, a middle cross beam 12 and a second cross beam 13, and the first cross beam 11 and the second cross beam 13 are respectively arranged at two ends of the middle cross beam 12 at intervals. The first width adjusting component 2 comprises a first supporting frame 21 and a first limiting block 22, the first supporting frame 21 is vertically arranged on one side, close to the second cross beam 13, of the first cross beam 11, a plurality of first connecting holes 23 are formed in the first supporting frame 21 along the length direction of the first supporting frame, and the first limiting block 22 is detachably connected to the first connecting holes 23. The second width adjusting component 3 comprises a second supporting frame 31 and a second limiting block 32, the second supporting frame 31 is vertically arranged on one side, close to the first beam 11, of the second beam 13, a plurality of second connecting holes 33 are formed in the second supporting frame 31 in a arraying mode along the length direction of the second supporting frame 31, and the second limiting block 32 is detachably connected to the second connecting holes 33. The inner side wall of the middle cross beam 12 is provided with a plurality of third connecting holes 121 along the length direction thereof, the first middle support frame 14 is vertically arranged at the third connecting holes 121 of the middle cross beam 12, and the upper surfaces of the first support frame 21, the first middle support frame 14 and the second support frame 31 are all positioned on the same horizontal plane. The battery pack is configured to be placed on the first support frame 21, the first middle support frame 14 and the second support frame 31, and opposite sides of the battery pack are respectively abutted with the first limiting block 22 and the second limiting block 32.

Specifically, the first limiting block 22 is provided with a first bar-shaped hole 221, the second limiting block 32 is provided with a second bar-shaped hole 321, and after the first limiting block 22 and the second limiting block 32 are adjusted to the proper positions, the first limiting block 22 and the second limiting block 32 are fixed on the corresponding first supporting frame 21 and second supporting frame 31 by bolts or screws.

In short, according to the battery pack charging rack provided by the utility model, the multi-layer charging support frames 1 are arranged along the vertical direction and used for placing battery packs, each layer of charging support frame 1 is surrounded by the first cross beam 11, the middle cross beam 12 and the second cross beam 13 to form a charging space, the battery packs can be placed into the charging space from the front of the charging support frame 1, the first support frame 21 is arranged on the first cross beam 11, the second support frame 31 is arranged on the second cross beam 13, the first middle support frame 14 is arranged on the middle cross beam 12 and is convenient for stably supporting the weight of the battery packs, the first middle support frame 14 can be arranged at the plurality of third connecting holes 121, the position of the first middle support frame 14 on the middle cross beam 12 can be adjusted, the first limiting block 22 can be arranged at the plurality of first connecting holes 23, the second limiting block 32 can be arranged at the plurality of second connecting holes 33, the positions of the first limiting block 22 and the second limiting block 32 on the first support frame 21 and the second support frame 31 can be adjusted, and the distance between the first limiting block 22 and the second limiting block 32 can be adjusted, so that battery packs with different width types can be adapted.

Further, as shown in fig. 2 and 6, the battery pack charging rack further includes a second middle supporting frame 15 and a positioning pin 16 disposed on the second middle supporting frame 15, one end of the second middle supporting frame 15 is vertically disposed at the third connecting hole 121 of the middle cross beam 12, and the positioning pin 16 is adapted to the shape of the positioning hole at the bottom of the battery pack. Through addding the locating pin 16 of support frame 15 and the locating hole looks adaptation bottom the battery package in the middle of the second, be convenient for improve the positioning accuracy and the degree of accuracy of battery package on the battery package charging frame, locating pin 16 also can play certain limiting displacement simultaneously, avoid the battery package to take place dislocation and remove.

Further, as shown in fig. 3, 4 and 5, the upper surfaces of the first support frame 21, the first intermediate support frame 14 and the second support frame 31 are provided with shock absorbing rubber pads 17. Because the first support frame 21, the first middle support frame 14 and the second support frame 31 are made of metal materials, the battery pack can be prevented from directly rubbing and colliding with the first support frame 21, the first middle support frame 14 and the second support frame 31 by additionally arranging the damping rubber cushion block 17, and the outer surface of the battery pack is protected from being damaged.

Illustratively, the charging stand 1 is made of the following materials: q235 steel, the surface treatment color is: matte gray.

Further, each layer of charging support frame 1 is provided with a charging plug mechanism 4, and the charging plug mechanism 4 can be lifted up and down relative to the charging support frame 1. After the battery pack is placed in the charging bin, the charging plug mechanism 4 descends to be electrically connected with the wiring charging port corresponding to the battery pack for continuous and stable charging. Specifically, through setting up wire casing 6 in the outside of charging support frame 1 for regular and protection cable avoids the messy distribution, improves the aesthetic property.

The charging plug mechanism 4 is also provided with a component distribution box mainly used for a battery pack charging rack connecting circuit, a network cable, a monitoring charging amount and the like.

Further, as shown in fig. 2, the battery pack charging rack further includes a supporting upright 18, and the supporting upright 18 is vertically disposed between the first supporting frames 21 of the two adjacent layers of charging supporting frames 1. Through increasing and setting up support post 18 for consolidate first support frame 21, improve battery package charging frame holistic structural strength, guarantee that the battery package charges steadily safely.

Further, as shown in fig. 1, the battery pack charging rack further includes a lifting mechanism 5, where the lifting mechanism 5 is disposed below the charging support frame 1 at the lowest layer, and is used for lifting and carrying the battery pack. The battery pack to be charged is carried to the lifting mechanism 5, and after the battery pack is lifted to a set height, the battery pack is carried to the charging support frame 1 by adopting a stacker fork for charging. And after the battery with the insufficient power enters the charging bin, the battery pack is positioned, limited and supported, and the battery pack is temporarily buffered at the position after being fully charged, so that the battery with the insufficient power is exchanged.

Specifically, as shown in fig. 2, 7 and 8, the lifting mechanism 5 includes a mounting frame 51, a vertical slide rail 52 and a lifting support 53, the mounting frame 51 is mounted below the charging support frame 1, a first end of the vertical slide rail 52 is mounted on the mounting frame 51, the other end of the vertical slide rail 52 is mounted on the foot 7, and the lifting support 53 is slidably disposed on the vertical slide rail 52. Specifically, two groups of lifting support tables are arranged, and the lifting support tables 53 can be lifted up and down along the vertical sliding rails 52, so that the battery pack can be lifted stably. The footing 7 is mainly used for adjusting the height of the battery charging rack up and down, is locked by adopting a bolt type connection, and can adjust the horizontal height of four corners.

Further, as shown in fig. 8, the lifting mechanism 5 includes a driving sprocket 54, a first driving chain 55 and a driven sprocket 56, the driving sprocket 54 is rotatably disposed on the mounting frame 51, a mounting beam 57 is disposed on a lower portion between the two vertical slide rails 52, the driven sprocket 56 is rotatably disposed on the mounting beam 57, the first driving chain 55 is wound around the driving sprocket 54 and the driven sprocket 56, and one end of the lifting support 53 is fixedly connected with a chain of the first driving chain 55. The first driving chain 55 can be driven to move by the forward and backward rotation of the driving chain wheel 54 and the driven chain wheel 56, and the first driving chain 55 can drive the lifting supporting table 53 to lift in the moving process because one end of the lifting supporting table 53 is fixedly connected to the chain of the first driving chain 55.

Further, as shown in fig. 9 and 10, the lifting mechanism 5 further includes a fixed support table 58, the fixed support table 58 includes a fixed support beam 581 and a rotating support beam 582, one end of the fixed support beam 581 is fixedly provided on the upper portion of the vertical slide rail 52, the other end of the fixed support beam 581 is rotatably provided with the rotating support beam 582, and one end of the rotating support beam 582 is stopped at a blocking plate 583 of the fixed support beam 581. Specifically, the lifting support stand 53 drives the battery pack to move upwards, after the battery pack hits the rotating support beam 582, the rotating support beam 582 rotates clockwise to avoid, after the lifting support stand 53 continues to move upwards for a certain distance, the rotating support beam 582 rotates anticlockwise to hit the bottom of the blocking plate 583, the rotating support beam 582 guarantees the horizontal state, the lifting support stand 53 moves downwards to place the battery pack on the rotating support beam 582, and the lifting support stand 53 continues to carry the next battery pack, so that carrying efficiency is improved.

Specifically, as shown in fig. 2, 7 and 8, the power source of the lifting mechanism 5 is a driving motor 8, a second transmission chain 9 and a long rotating shaft 10, a driving sprocket 54 is coaxially connected to one end of the long rotating shaft 10, the driving motor 8 is mounted on a mounting plate of the mounting frame 51, and the driving motor 8 is in transmission connection with the long rotating shaft 10 through the second transmission chain 9 and is used for lifting the height of the lifting support table 53.

The present embodiment also provides a passenger car battery station comprising an RGV carrier, a stacker fork and the above-mentioned battery pack charging rack.

The concrete working steps of the power exchange station of the passenger car are as follows:

1. the battery pack with the power being lost is unloaded from the bottom of the vehicle by the car battery exchange station, and is transported to the lifting support 53 by the RGV carrier, and the connection power is supplied by the wire slot 6. The power shortage battery pack is lifted to a fixed supporting table 58 through a driving chain wheel 54, a first transmission chain 55 and a driven chain wheel 56, the power shortage battery pack is placed into a charging bin of a corresponding charging support frame 1 through a stacker, limiting is carried out through a locating pin 16, a damping rubber cushion block 17, a limiting block and a support frame, meanwhile, the charging plug mechanism 4 descends to be in butt joint with a battery pack charging port to charge the battery pack, and charging connection is established with the battery pack through a distribution box wire harness and a deconcentrator.

2. Meanwhile, a full-power battery pack is taken out from a battery pack charging frame by a pallet fork of the stacker, the battery pack assembly is fixed by conveying and transporting the battery pack to the bottom of a vehicle through an RGV (vehicle-mounted vehicle) carrier, and a passenger vehicle power exchange station software system can collect five battery electric quantities on the charging frame according to the type and the model of the battery pack and monitor the battery electric quantities.

The battery pack charging frame provided by the embodiment can be used for compatibly buffering battery packs with different sizes (< 2000mm multiplied by 1500mm multiplied by 280 mm) by presetting the structural design and mechanical bearing of the charging frame, and the compatibility of the battery pack charging frame is greatly improved.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. A battery pack charging stand for placement or charging of a battery pack, comprising:

the charging support frame (1) is provided with multiple layers along the vertical direction, each layer of charging support frame (1) is provided with a first cross beam (11), a middle cross beam (12) and a second cross beam (13), and the first cross beam (11) and the second cross beam (13) are respectively arranged at two ends of the middle cross beam (12) at intervals;

the first width adjusting assembly (2) comprises a first supporting frame (21) and a first limiting block (22), wherein the first supporting frame (21) is vertically arranged on one side, close to the second cross beam (13), of the first cross beam (11), a plurality of first connecting holes (23) are formed in the first supporting frame (21) along the length direction of the first supporting frame, and the first limiting block (22) is detachably connected to the first connecting holes (23);

the second width adjusting assembly (3) comprises a second supporting frame (31) and a second limiting block (32), the second supporting frame (31) is vertically arranged on one side, close to the first cross beam (11), of the second cross beam (13), a plurality of second connecting holes (33) are formed in the second supporting frame (31) in a arraying mode along the length direction of the second supporting frame, and the second limiting block (32) is detachably connected to the second connecting holes (33);

the first middle support frame (14), the inside wall of the middle cross beam (12) is provided with a plurality of third connecting holes (121) along the length direction of the inside wall, the first middle support frame (14) is vertically arranged at the third connecting holes (121) of the middle cross beam (12), and the upper surfaces of the first support frame (21), the first middle support frame (14) and the second support frame (31) are all positioned on the same horizontal plane;

the battery pack is configured to be placed on the first support frame (21), the first middle support frame (14) and the second support frame (31), and two opposite sides of the battery pack are respectively abutted with the first limiting block (22) and the second limiting block (32).

2. The battery pack charging rack according to claim 1, further comprising a second middle supporting frame (15) and a positioning pin (16) arranged on the second middle supporting frame (15), wherein one end of the second middle supporting frame (15) is vertically arranged at the third connecting hole (121) of the middle cross beam (12), and the positioning pin (16) is matched with the shape of the positioning hole at the bottom of the battery pack.

3. The battery pack charging stand according to claim 2, wherein upper surfaces of the first support frame (21), the first intermediate support frame (14) and the second support frame (31) are each provided with a shock absorbing rubber cushion block (17).

4. A battery pack charging stand according to claim 3, wherein each layer of the charging support frame (1) is provided with a charging plug mechanism (4), and the charging plug mechanism (4) can be lifted up and down relative to the charging support frame (1).

5. The battery pack charging stand according to claim 4, further comprising a support post (18), wherein the support post (18) is vertically arranged between the first support frames (21) of two adjacent layers of the charging support frames (1).

6. Battery pack charging stand according to any of claims 1-5, further comprising a lifting mechanism (5), said lifting mechanism (5) being arranged below the lowest layer of the charging support frame (1) for lifting and handling the battery pack.

7. The battery pack charging stand according to claim 6, wherein the lifting mechanism (5) comprises a mounting frame (51), a vertical sliding rail (52) and a lifting support table (53), the mounting frame (51) is mounted below the charging support frame (1), a first end of the vertical sliding rail (52) is mounted on the mounting frame (51), the other end of the vertical sliding rail is mounted on a foot (7), and the lifting support table (53) is slidably arranged on the vertical sliding rail (52).

8. The battery pack charging rack according to claim 7, wherein the lifting mechanism (5) comprises a driving sprocket (54), a first driving chain (55) and a driven sprocket (56), the driving sprocket (54) is rotatably arranged on the mounting frame (51), a mounting beam (57) is arranged at the lower part between the two vertical sliding rails (52), the driven sprocket (56) is rotatably arranged on the mounting beam (57), the first driving chain (55) is wound on the driving sprocket (54) and the driven sprocket (56), and one end of the lifting support table (53) is fixedly connected with the chain of the first driving chain (55).

9. The battery pack charging stand according to claim 8, wherein the lifting mechanism (5) further comprises a fixed support table (58), the fixed support table (58) comprises a fixed support beam (581) and a rotating support beam (582), one end of the fixed support beam (581) is fixedly arranged on the upper portion of the vertical sliding rail (52), the other end of the fixed support beam (581) is rotatably provided with the rotating support beam (582), and one end of the rotating support beam (582) is stopped at a blocking plate (583) of the fixed support beam (581).

10. A passenger car power exchange station comprising a battery pack charging rack as claimed in any one of claims 1 to 9.

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