CN217199708U - Battery pack storage and transportation frame and stacking storage and transportation device - Google Patents

Abstract

An embodiment of the utility model provides a battery package storage and transportation frame. The battery pack storage and transportation rack comprises a bearing main body, telescopic supporting legs and wheel assemblies. The bearing main body is provided with a first connecting part. The telescopic supporting foot is connected to the bearing main body and comprises a second connecting portion, the second connecting portion and the first connecting portion are arranged along the telescopic direction of the telescopic supporting foot and located on two opposite sides of the bearing main body respectively, and the second connecting portion is configured to be connected with the first connecting portion in an adaptive mode. The wheel assembly is assembled on the bearing main body and is positioned on the same side of the bearing main body with the telescopic supporting foot. The battery pack storage and transportation frame is simple in manufacturing process and convenient to use, and effectively solves the problems of low efficiency and low transportation timeliness of an after-sale maintenance end battery pack storage terrace. In addition, the embodiment of the utility model provides a stack storage and transportation device still is provided.

Description

Battery pack storage and transportation frame and stacking storage and transportation device

Technical Field

The utility model relates to a battery warehousing and transportation technical field particularly, relates to a battery package storage and transportation frame and stack storage and transportation device.

Background

With the continuous development of the new energy automobile industry, the quantity of new energy automobiles kept in the market is increased day by day, the maintenance requirements for new energy automobile batteries are more and more, and therefore the storage and the transportation of after-market power batteries are more and more important.

At present, both a battery factory and a host factory are produced in batches, and customized wooden boxes are used for batch transportation and storage. However, the scheme which is the same as that of a factory cannot be used in the after-sale market due to the uncertainty of maintenance requirements, the limitation of places and other conditions, and a good storage and transportation scheme which meets the requirement of battery pack storage and transportation during after-sale maintenance does not exist in the after-sale market at present. The existing scheme is that a wooden support supports and stores or uses a simple iron stand, and the popularization and the universality are not achieved, and meanwhile, a plurality of defects exist.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a battery package storage and transportation frame or stack storage and transportation device to improve above-mentioned at least one technical problem.

In a first aspect, embodiments of the present invention provide a battery pack storage and transportation rack, wherein the battery pack storage and transportation rack includes a bearing main body, a telescopic supporting leg and a wheel assembly, and the bearing main body is provided with a first connecting portion. The telescopic supporting foot is connected to the bearing main body and comprises a second connecting portion, the second connecting portion and the first connecting portion are arranged along the telescopic direction of the telescopic supporting foot and located on two opposite sides of the bearing main body respectively, and the second connecting portion is configured to be connected with the first connecting portion in an adaptive mode. The wheel assembly is assembled on the bearing main body and is positioned on the same side of the bearing main body with the telescopic supporting foot.

In a second aspect, another embodiment of the present invention provides a stacking and transporting device, which includes at least two battery pack storage and transportation frames of the above embodiments, wherein the at least two battery pack storage and transportation frames are detachably stacked. In the two battery pack storage and transportation frames of the adjacent stacks, the second connecting parts of the battery pack storage and transportation frames stacked above are detachably connected to the first connecting parts of the battery pack storage and transportation frames stacked below.

The above embodiment of the utility model provides an in, manufacturing process of battery package storage transportation frame is simple, convenient to use, solves after sales maintenance end battery package storage terrace effectively and imitates low, transport the problem that the ageing is low.

Furthermore, the battery pack storage and transportation frame greatly improves the maintenance efficiency of the battery pack, reduces the pressure of the maintenance of the battery at the after-sale end, solves the problem of low maintenance and transportation efficiency of the battery at the after-sale end of the new energy automobile, and fills the gap in the subdivision field.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 shows a schematic structural diagram of a battery pack storage and transportation rack provided by an embodiment of the present invention.

Fig. 2 shows a schematic structural diagram of a stacking and transporting device according to another embodiment of the present invention.

Fig. 3 shows a sectional illustration of the stacking conveyor of fig. 2 at iii.

Fig. 4 shows an enlarged schematic view at iv of the battery pack storage rack of fig. 1.

Fig. 5 shows an enlarged schematic view at v of the battery pack storage rack of fig. 1.

Fig. 6 shows a schematic structural diagram of a battery pack storage and transportation rack according to another embodiment of the present invention.

Detailed Description

In order to make the technical field person understand the scheme of the present invention better, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical scheme in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As mentioned above, the iron frame of the existing scheme occupies too much space and has low space utilization rate; no effective fastening measure is provided in the transportation process, and collision and damage are easy to occur; the battery belongs to flammable and explosive products, and no effective safety protection measures are provided in the transportation process; the loading and unloading are difficult because the forklift can not be used; the size of the battery pack is not suitable for storing a plurality of battery packs, and the standardized popularization is not facilitated; storage stacking and transferring can not be simultaneously achieved, and the use scene is single.

How to ensure the storage and the transportation of the battery pack in the after-sale maintenance process is one of the problems which are urgently needed to be solved at present. Therefore, it is necessary to design a tool that at least meets one of the following requirements: store in the shop place after sale, nimble turnover and can be suitable for long-distance transportation.

For the above reasons, please refer to fig. 1 and fig. 2, an embodiment of the present invention provides a battery pack storage and transportation rack 100, which can at least partially and effectively solve the problems of low efficiency and low transportation efficiency of an after-sales maintenance end battery pack storage terrace.

The battery pack storage and transportation rack 100 includes a main body 10, a telescopic supporting leg 20, and a wheel assembly 30, wherein the telescopic supporting leg 20 and the wheel assembly 30 are disposed on the main body 10.

Fig. 2 shows a stacking and transporting device 300, wherein the stacking and transporting device 300 comprises at least two battery pack storage racks 100, and the at least two battery pack storage racks 100 are detachably stacked. Among the two battery pack storage and transportation racks 100 stacked adjacent to each other, the second connecting portion 21 of the battery pack storage and transportation rack 100 stacked above is detachably connected to the first connecting portion 12 of the battery pack storage and transportation rack 100 stacked below.

The utility model discloses a stack storage and transportation device 300 of embodiment can realize two at least battery package storage and transportation frame 100 at the ascending stack of vertical side, has improved battery package 200 storage terrace effect effectively.

Referring again to fig. 1, the carrier body 10 is adapted to carry a battery pack 200. For example, the carrier body 10 may be provided with a carrier plate 11, and the carrier plate 11 may be substantially rectangular or other shape. The size of the carrier plate 11 may be designed to be large to carry a variety of sizes of battery packs 200.

The carrying body 10 is provided with a first connecting portion 12, the first connecting portion 12 can be connected to the carrying plate 11, for example, the first connecting portion 12 can be welded to the carrying plate 11, or can be fixed to the carrying plate 11 by a screw, a bolt, or other fasteners. The first connecting portion 12 is adapted to mate with the telescoping support foot 20.

The telescopic support foot 20 is attached to the load-bearing body 10, for example the telescopic support foot 20 can be attached to the side of the load-bearing platform 11. The telescopic supporting legs 20 can be extended and contracted to adjust the height of the loading main body 10.

The telescopic supporting leg 20 includes a second connecting portion 21, and the second connecting portion 21 and the first connecting portion 12 are arranged along the telescopic direction of the telescopic supporting leg 20 and are respectively located at two opposite sides of the supporting body 10. For example, in the case where the battery pack storage rack 100 is normally placed for use, the telescopic direction of the telescopic supporting legs 20 may be a vertical direction, the second connecting portion 21 may be located on the side of the loading body 10 facing the ground, and the first connecting portion 12 may be located above the second connecting portion 21.

The second connection portion 21 is configured to be connected and fitted to the first connection portion 12. For example, the second connecting portion 21 is detachably connected to the first connecting portion 12, so that a plurality of battery pack storage and transportation racks 100 can be stacked. For example, in two adjacent stacked battery pack storage and transportation racks 100, the second connecting portion 21 of the battery pack storage and transportation rack 100 stacked above is detachably connected to the first connecting portion 12 of the battery pack storage and transportation rack 100 stacked below.

Therefore, the space can be saved by storing the battery packs 200 in a stacking mode, the storage plateau effect of the battery packs 200 is effectively improved, the number of the local storage battery packs 200 with the same area is more, and the problem of low storage plateau effect of the after-sales maintenance end battery pack 200 is effectively solved.

Wherein the number of the telescopic supporting legs 20 can be plural, and a plurality of the telescopic supporting legs 20 can be connected to different positions of the loading body 10, for example, a plurality of the telescopic supporting legs 20 can be connected to each side of the loading body 10. In the present invention, the term "plurality" means two or more. For example, in the present embodiment, the number of the telescopic supporting legs 20 is four, and four telescopic supporting legs 20 may be respectively connected to four corners of the loading main body 10. Correspondingly, the number of the first connecting portions 12 corresponds to the number of the telescopic supporting legs 20.

The wheel assembly 30 is mounted on the load bearing body 10 on the same side of the load bearing body 10 as the telescopic support foot 20. Thus, in the case that the battery pack 200 needs to be transported, the telescopic supporting legs 20 can be adjusted upwards to shorten the length thereof, so that the wheel assemblies 30 are grounded, thereby facilitating the transportation of the battery pack storage and transportation rack 100 in the field, effectively solving the problem of low transportation time efficiency of the after-sales repair battery pack 200, and saving the transportation cost due to the transportation in a stacking manner.

In addition, the telescopic support legs 20 can be adjusted downward to extend their length and rest on the ground without transferring the battery pack 200, so that the wheel assemblies 30 are suspended, thereby facilitating stable placement of the battery pack storage and transportation rack 100 on the ground and also allowing stacking.

The wheel assembly 30 may include a universal wheel 31 to facilitate movement of the battery pack storage and transportation rack 100 in multiple directions. The wheel assembly 30 may further include a brake pedal 32, and the brake pedal 32 may brake the universal wheel 31 to facilitate temporary parking of the battery pack storage and transportation rack 100.

The number of the wheel assemblies 30 may be multiple, and multiple wheel assemblies 30 may be connected to different positions of the bearing body 10 to improve the stability of the movement of the battery pack storage and transportation rack 100. In this embodiment, the number of the wheel assemblies 30 is four, and each wheel assembly 30 can be connected to the load bearing body 10 near a corresponding one of the telescopic support legs 20.

The utility model discloses a manufacturing process of battery package warehousing and transportation frame 100 in the embodiment is simple, high durability and convenient use, the turnover can be realized to telescopic supporting foot 20 and wheel subassembly 30 mutually supporting, the nimble switching of stack, make unit area can place more battery package 200, it is convenient that battery package 200 turnover is convenient in the place to realize simultaneously, promote the efficiency of battery package 200 maintenance by a wide margin, alleviate the pressure of rear end battery maintenance, the battery that has improved new energy automobile is in the problem of the maintenance warehousing and transportation inefficiency of rear end, the blank in this segmentation field has been filled.

Referring to fig. 2 and 3, the first connecting portion 12 and the second connecting portion 21 can be adapted in a plugging manner. For example, the end of the first connecting portion 12 facing away from the telescopic support foot 20 may be provided with a projection 120, and the projection 120 may be substantially rectangular parallelepiped, square, truncated quadrangular prism, or other shape. Correspondingly, the end of the second connecting portion 21 facing away from the bearing body 10 may be provided with a plug-in groove 210, and the plug-in groove 210 is configured to be in plug-in fit with the protrusion 120, so that the protrusion 120 can be plugged into the plug-in groove 210.

In this way, the engagement between the protrusion 120 and the insertion slot 210 helps simplify the fitting structure of the first connecting portion 12 and the second connecting portion 21, and also helps to make stacking more secure.

Referring to fig. 4, the telescopic supporting leg 20 may include a supporting rod 23, a foot seat 24 and a locking member 25, wherein the foot seat 24 is disposed on the supporting rod 23, and the locking member 25 may lock the foot seat 24 to the supporting rod 23.

The support bar 23 may be a square tube or other structure. The support rod 23 can be connected to the main body 10, for example, the support rod 23 and the main body 10 can be fixedly connected by screws, bolts, screws or other fasteners, or they can be welded together. In other embodiments, the connection mode of the support rod 23 and the bearing main body 10 can be other.

The foot seats 24 are slidably provided on the support rods 23. For example, the end of the support rod 23 facing away from the main body 10 may be provided with a sliding hole 230, and the foot seat 24 is slidably inserted into the sliding hole 230, so that the foot seat 24 can adjust the length of the foot seat extending out of the support rod 23 to achieve the telescopic function of the telescopic support foot 20.

In addition, the second connecting portion 21 may be configured as the foot seat 24, and the insertion groove 210 may be disposed at an end of the foot seat 24 away from the supporting rod 23.

A locking member 25 may be attached to the support bar 23 and the foot 24. For example, the side wall of the support bar 23 may be provided with a locking hole 231 communicating with the sliding hole 230, and the locking member 25 may be inserted through the foot seat 24 and the locking hole 231 and adapted to lock the foot seat 24 to the support bar 23. In this way, the locker 25 can lock the length of the foot 24 protruding from the support bar 23 so that the relative position of the foot 24 and the support bar 23 is not easily changed.

The number of the locker 25 may be plural, and the plural locker 25 may lock the foot seat 24 to the support bar 23 from different sidewalls of the support bar 23 to improve stability of the connection of the foot seat 24 with the support bar 23. The locking member 25 may be a bolt, a stud, a pin, or other structures.

The number of the locking holes 231 of the support bar 23 may be greater than that of the locker 25 so that the locker 25 is fitted into the locking holes 231 at different positions according to the actual circumstances.

Referring to fig. 1 and 5, the battery pack storage and transportation rack 100 may further include a plurality of raised members 40 spaced apart from each other, and each raised member 40 may have a substantially rectangular or other shape. A plurality of raised elements 40 may be provided on the side of the carrier body 10 facing away from the wheel assembly 30, for example a plurality of raised elements 40 may be provided on the side of the carrier plate 11 facing away from the wheel assembly 30.

In the process of using the battery pack storage and transportation rack 100, the battery pack 200 may be placed on the elevating member 40, so that the bottom of the battery pack 200 and the flat carrier plate 11 of the carrier body 10 form a spacing distance, which may be used as a space for the forklift arm to go in and out, thereby facilitating the worker to smoothly load and unload the battery pack 200 using the forklift, and contributing to reducing the difficulty of the operation.

In this embodiment, the number of the raised pieces 40 is four, two of the raised pieces 40 may be located near the side of the main body 10, and the other two raised pieces 40 may be located near the other side of the main body 10.

In addition, the battery pack storage and transportation rack 100 may further include a buffer structure at a position contacting the battery pack 200, for example, the battery pack storage and transportation rack 100 may further include a buffer pad 50, and the buffer pad 50 may be disposed on the top of the elevating member 40 to buffer the collision force between the elevating member 40 and the battery pack 200.

The number of the cushion pads 50 may correspond to the number of the elevation members 40, and each cushion pad 50 may be disposed on the top of a corresponding one of the elevation members 40.

The battery pack storage and transportation rack 100 can further comprise a limiting mechanism 60, and the limiting mechanism 60 can limit the battery pack 200 so as to reduce the situations that the battery pack 200 shakes to cause collision and the like.

The position limiting mechanism 60 may be located at an upright position with respect to the elevating member 40, and the height of the position limiting mechanism 60 located at the upright position may be higher than that of the elevating member 40 so as to limit the battery pack 200. The position-limiting mechanism 60 may also be located at a falling position relative to the mat height member 40, and the height of the position-limiting mechanism 60 located at the falling position may be lower than the height of the mat height member 40, which helps to ensure that the battery pack 200 is not interfered by the position-limiting mechanism 60 when being placed or taken out.

The limiting mechanism 60 can be assembled on the raising member 40, and the raising member 40 can be provided with a structure matched with the limiting mechanism 60, so that the limiting mechanism 60 can be located at different positions. For example, the raising member 40 may be provided with a first slide groove 41 and a second slide groove 42. The first slide groove 41 may be provided at a top wall of the raising member 40, and the stopper mechanism 60 in the upright position may be fitted into the first slide groove 41. The second sliding groove 42 may be provided at a side wall of the block-up member 40 and communicate with the first sliding groove 41, and the stopper mechanism 60 at the laid-down position may be fitted in the second sliding groove 42. Thus, the limiting mechanism 60 can be quickly switched between the standing position and the lying position through the first sliding chute 41 and the second sliding chute 42.

The spacing mechanism 60 may also be mounted on other structures. For example, as shown in fig. 1, the battery pack storage and transportation rack 100 may further include a limiting base 43 disposed on the supporting body 10, and the limiting base 43 may be located on the same side of the supporting body 10 as the elevating member 40. The height of the position limiting base 43 may be lower than or equal to the height of the elevating member 40 to avoid blocking the battery pack 200.

The structure of the restraining base 43 is similar to that of the elevating member 40, for example, the restraining base 43 may be substantially rectangular or have other shapes. The limiting base 43 may be provided with a first sliding groove and a second sliding groove, the first sliding groove and the second sliding groove are used for being matched with the limiting mechanism 60, so that the limiting mechanism 60 can be switched between the standing position and the falling position quickly.

The number of the limiting bases 43 may be plural, and plural limiting bases 43 may be located near the side edge of the bearing main body 10. For example, the number of the limiting bases 43 is four, two of the limiting bases 43 may be located near the side of the bearing body 10, another two of the elevating members 40 may be located near the other side of the bearing body 10, and the limiting bases 43 and the elevating members 40 may be respectively located near different sides of the bearing body 10.

The stopper mechanism 60 may horizontally stopper the battery pack 200. For example, as shown in fig. 5, the limiting mechanism 60 may include a horizontal limiting member 61 and a first locking member 62 fixed to the horizontal limiting member 61. Correspondingly, the block-up member 40 may further have a plurality of limiting slots 44 distributed along the length direction of the first sliding slot 41. When the limiting mechanism 60 is located at the vertical position, the horizontal limiting member 61 may be assembled in the first sliding slot 41, and the first locking member 62 may be clamped in a corresponding one of the limiting clamping slots 44.

So, horizontal locating part 61 is through can sliding to different positions in first spout 41, and after horizontal locating part 61 slided to corresponding position, first locking piece 62 can be fixed horizontal locating part 61 in locating spacing draw-in groove 44 through the card, and it is spacing to the battery package 200 of multiple size and multiple shape not only to help stop gear 60 adaptation, helps guaranteeing again that battery package 200 is effectively fixed on the horizontal direction, reduces battery package 200 and appears rocking problem in the horizontal direction.

The limiting clamping groove 44 may be a groove structure formed between a plurality of teeth on the rack. In addition, the limiting base 43 may also be provided with a plurality of limiting slots distributed along the length direction of the first sliding groove.

The limiting mechanism 60 can also limit the battery pack 200 in the vertical direction. For example, the limiting mechanism 60 may further include a vertical limiting member 63 and a second locking member 64, the vertical limiting member 63 is slidably sleeved on the horizontal limiting member 61, and the second locking member 64 is sleeved on the horizontal limiting member 61 and located above the vertical limiting member 63.

So, vertical locating part 63 is through sliding to different positions on horizontal locating part 61, after vertical locating part 63 slides to corresponding position, second locking piece 64 can be through the locking in horizontal locating part 61 and butt in vertical locating part 63 to the removal of restriction vertical locating part 63 not only helps vertical locating part 63 to adapt in spacing to the battery package 200 of multiple size and multiple shape, helps guaranteeing again that battery package 200 is effectively fixed in vertical direction, reduces battery package 200 and the problem of rocking appears in vertical direction.

The second locking member 64 may be a nut, and the second locking member 64 may be in threaded connection with the horizontal limiting member 61.

The number of the limiting mechanisms 60 may be plural, wherein a part of the limiting mechanisms 60 may be mounted on the raising member 40, and another part of the limiting mechanisms 60 may be mounted on the limiting base 43. The plurality of limiting mechanisms 60 can limit the battery pack 200 in the vertical direction, one part of the limiting mechanisms 60 can limit the front and back direction of the battery pack 200, and the other part of the limiting mechanisms 60 can limit the left and right direction of the battery pack 200.

Referring to fig. 6, the battery pack storage and transportation rack 100 may further include an isolation guard plate 70, the isolation guard plate 70 may be connected to the main bearing body 10 and enclose a protection space together with the main bearing body 10, and the battery pack 200 may be located in the protection space. Thus, under the condition of spontaneous combustion of the battery pack 200, the isolation guard plate 70 can isolate the fire, which helps to avoid the spread of the fire and improves the safety of the battery pack storage and transportation rack 100.

The side face 71 of one side of the isolation guard plate 70 can be opened so as to be convenient for a forklift to get in and out of the protection space when loading and unloading, and ensure quick and convenient loading and unloading. The isolation sheet 70 may be an aluminum sheet to reduce the weight of the battery pack storage and transportation rack 100.

The battery pack storage and transportation rack 100 may further include a smoke sensor 80, and the smoke sensor 80 may be mounted on the insulation shield 70 and located in the protected space. In this manner, smoke sensor 80 helps to provide a warning of sudden spontaneous combustion of battery pack 200.

In addition, the insulation panel 70 may be provided with water injection holes 72, and the water injection holes 72 communicate with the protection space. The water injection hole 72 can effectively deal with the problem of fire of the battery pack 200, and the worker can conveniently and timely inject water from the water injection hole 72 to extinguish fire according to the early warning of the smoke sensor 80.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims (10)

1. A battery pack storage rack, comprising:

the bearing main body is provided with a first connecting part;

the telescopic supporting foot is connected to the bearing main body and comprises a second connecting part, the second connecting part and the first connecting part are arranged along the telescopic direction of the telescopic supporting foot and are respectively positioned at two opposite sides of the bearing main body, and the second connecting part is configured to be connected and matched with the first connecting part; and

and the wheel assembly is assembled on the bearing main body and is positioned on the same side of the bearing main body as the telescopic supporting foot.

2. The battery pack storage and transport rack of claim 1, wherein the end of the first connecting portion facing away from the retractable support leg is provided with a protrusion, and the end of the second connecting portion facing away from the carrier body is provided with a slot configured to mate with the protrusion.

3. The battery pack storage rack of claim 1, wherein the telescoping support feet comprise:

the supporting rod is connected to the bearing main body, a sliding hole is formed in the end, away from the bearing main body, of the supporting rod, and a locking hole communicated with the sliding hole is formed in the side wall of the supporting rod;

the foot seat can be inserted in the sliding hole in a sliding way; and

the locking piece penetrates through the foot seat and the locking hole and is suitable for locking the foot seat on the supporting rod.

4. The battery pack storage and transport rack of claim 1, further comprising a plurality of spaced-apart raised members disposed on a side of the carrier body facing away from the wheel assembly.

5. The battery pack storage rack of claim 4, further comprising a stop mechanism, wherein the stop mechanism is in an upright position relative to the raised member and the height of the stop mechanism is greater than the height of the raised member, or wherein the stop mechanism is in a lowered position relative to the raised member and the height of the stop mechanism is less than the height of the raised member.

6. The battery pack storage and transportation rack of claim 5, wherein the elevating member is provided with a first sliding groove and a second sliding groove, the first sliding groove is formed in a top wall of the elevating member, the second sliding groove is formed in a side wall of the elevating member and is communicated with the first sliding groove, the limiting mechanism located at the upright position is assembled in the first sliding groove, and the limiting mechanism located at the laid-down position is assembled in the second sliding groove.

7. The battery pack storage and transportation rack of claim 6, wherein the elevating member is further provided with a plurality of limiting clamping grooves distributed along the length direction of the first sliding groove;

the limiting mechanism comprises a horizontal limiting part and a first locking part fixed on the horizontal limiting part, when the limiting mechanism is located at the vertical position, the horizontal limiting part is assembled in the first sliding groove, and the first locking part is clamped in the corresponding limiting clamping groove.

8. The battery pack storage and transport rack of claim 7, wherein the limiting mechanism further comprises a vertical limiting member and a second locking member, the vertical limiting member is slidably sleeved on the horizontal limiting member, and the second locking member is sleeved on the horizontal limiting member and located above the vertical limiting member.

9. The battery pack storage rack of any one of claims 1-8, further comprising:

the isolation guard plate is connected to the bearing main body and forms a protection space together with the bearing main body, and the isolation guard plate is provided with a water injection hole communicated with the protection space; and

and the smoke sensor is assembled on the isolation guard plate and is positioned in the protection space.

10. A stacking and shipping device, comprising:

at least two battery pack storage and transportation racks according to any one of claims 1 to 9, the at least two battery pack storage and transportation racks being detachably stacked, wherein, of the two battery pack storage and transportation racks stacked adjacent to each other, the second connecting portion of the battery pack storage and transportation rack stacked above is detachably connected to the first connecting portion of the battery pack storage and transportation rack stacked below.

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