Energy storage battery rack

Abstract

The utility model discloses an energy storage battery rack which comprises a battery rack body, the battery rack body is provided with a plurality of battery pack placing chambers, (2n + 2) supporting legs are arranged at the bottom of the battery rack body, n is an integer larger than 1, four supporting legs form a matrix unit, a stabilizing assembly is arranged in each matrix unit formed by the supporting legs, and the stabilizing assemblies are arranged in the battery pack placing chambers. And the stabilizing assembly is connected with each supporting leg in the matrix unit.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack storage technology field especially relates to a kind of energy storage battery racks. BACKGROUND

[0002] With social development, pure electric equipment is used more and more, in order to solve the problem of long charging time, the continuous use of equipment can be ensured by replacing battery pack. Therefore, a certain number of battery packs are needed to replace, and the battery packs need to be placed on the battery rack to ensure easy access.

[0003] The battery rack carrying the battery pack has a large mass. When the battery rack is impacted, the support legs of the battery rack are damaged and bent under the influence of external impact force, causing the battery rack body to tilt and the tilted battery rack to have safety hazards. SUMMARY

[0004] To solve the above problems, the present application provides an energy storage battery rack. The impact force received by any one support leg is transmitted to the other support legs of the battery rack through the stabilizing assembly, improving the stability of the support legs and ensuring the safety of the battery packs in the battery rack.

[0005] An energy storage battery rack includes a battery rack body having a plurality of battery pack placement chambers. The bottom of the battery rack body is provided with (2n+2) support legs, where n is an integer greater than or equal to 1. Four support legs form a matrix unit. Each matrix unit formed by the support legs is provided with a stabilizing assembly connected to each support leg in the matrix unit.

[0006] In one embodiment, the stabilizing assembly includes a first stabilizing rod and a second stabilizing rod. The middle part of the first stabilizing rod is connected to the middle part of the second stabilizing rod in an interlaced manner, and the first stabilizing rod and the second stabilizing rod are fixedly connected. The two sides of the first stabilizing rod and the second stabilizing rod are respectively connected to two support legs.

[0007] In one embodiment, the first stabilizing rod and the second stabilizing rod have an upper convex arc structure, and the top of the first stabilizing rod and the second stabilizing rod is not higher than the bottom of the battery rack body.

[0008] In one embodiment, the first stabilizing rod and the second stabilizing rod have a lower convex arc structure, and the bottom of the first stabilizing rod and the second stabilizing rod is not lower than the lower surface of the support leg.

[0009] In one embodiment, the stabilizing assembly includes a force transmission mechanism and four connecting rods arranged around the force transmission mechanism. One end of each connecting rod away from the force transmission mechanism corresponds to a support leg.

[0010] In an embodiment, the connecting rods are in an upper convex arc structure, and the top of the force transmission mechanism is connected to the bottom of the battery rack body.

[0011] In an embodiment, the connecting rods are in a lower convex arc structure, and the lower surface of the force transmission mechanism is in the same horizontal plane as the lower surface of the legs.

[0012] In an embodiment, the force transmission mechanism comprises a suction base, a mounting seat and a suction spring.

[0013] The outer periphery of the suction base is connected to one end of each of the four connecting rods, the suction base has a first mounting groove,

[0014] The mounting seat has a second mounting groove for placing the suction base, and the opening of the second mounting groove is in an opposite position to the first mounting groove.

[0015] One end of the suction spring is fixed to the bottom of the first mounting groove, and the other end is fixed to the bottom of the second mounting groove.

[0016] In an embodiment, when the connecting rods are in an upper convex arc structure, the side of the bottom of the second mounting groove is mounted to the bottom of the battery rack body, the opening of the mounting seat is downward, the suction base is below the mounting seat, and the suction spring is in a normal state.

[0017] When the connecting rods are in a lower convex arc structure, the side of the bottom of the second mounting groove contacts the ground, the opening of the mounting seat is upward, the suction base is above the mounting seat, and the suction spring is in a normal state.

[0018] In an embodiment, the suction spring has four and is rectangularly distributed between the suction base and the mounting seat.

[0019] The present application has the following beneficial effects compared with the prior art:

[0020] In the present application, the legs in each matrix unit are connected to form a whole by the stabilizing assembly, which is used to improve the anti-impact performance of each leg and further improve the safety of the battery rack body.

[0021] The first stabilizing rod and the second stabilizing rod are connected in an interlaced manner, so that the first stabilizing rod and the second stabilizing rod can transmit and disperse the impact force received by a single leg to the remaining legs, avoid the bending or breaking of the impacted leg, and further avoid safety accidents caused by the tilting of the battery rack body.

[0022] When any outrigger is impacted by an external force, the impact is transmitted to the force transmission mechanism through the connecting rod connected to it. The force transmission mechanism then distributes the impact force to the remaining outriggers on the battery rack body through other connecting rods. The connecting rods and the force transmission mechanism combine the dispersed outriggers into a whole, which can disperse and transmit the external impact force, improve the anti-collision performance of each outrigger, and improve the safety of the battery rack body. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a three-dimensional schematic diagram of the energy storage battery rack in Embodiment 1 of this application;

[0025] Figure 2 This is a front view schematic diagram of the energy storage battery rack in Embodiment 1 of this application;

[0026] Figure 3 This is a perspective view of the energy storage battery rack and connector assembly in Embodiment 1 of this application;

[0027] Figure 4 This is a three-dimensional schematic diagram of the energy storage battery rack in Embodiment 2 of this application;

[0028] Figure 5 A front view schematic diagram of the energy storage battery rack in an embodiment of this application;

[0029] Figure 6 A perspective view of the energy storage battery rack and connector assembly in an embodiment of this application;

[0030] Figure 7 This is a perspective view of the energy storage battery rack in Embodiment 3 of this application;

[0031] Figure 8 This is a top view of the energy storage battery rack in Embodiment 3 of this application;

[0032] Figure 9 for Figure 8 Sectional view of section AA in the image;

[0033] Figure 10 for Figure 9 An enlarged schematic diagram of part A in the middle;

[0034] Figure 11 This is a perspective view of the energy storage battery rack and connector assembly in Embodiment 3 of this application;

[0035] Figure 12 Figure 8 is a perspective view of the energy storage battery rack in the fourth embodiment of the present application;

[0036] Figure 13 Figure 9 is a top view of the energy storage battery rack in the fourth embodiment of the present application;

[0037] Figure 14 Figure 10 is a sectional view of the B-B section in Figure 9; Figure 13

[0038] Figure 15 Figure 11 is an enlarged view of the B section in Figure 10; Figure 14

[0039] Figure 16 Figure 12 is a perspective view of the energy storage battery rack and the connecting piece combination in the fourth embodiment of the present application.

[0040] In the figure: 1, battery rack body; 11, placement chamber; 12, leg; 13, matrix unit; 2, stabilizing assembly; 21, first stabilizing rod; 22, second stabilizing rod; 23, connecting rod; 24, force transmission mechanism; 241, mounting seat; 242, suction force seat; 243, suction force spring; 3, mounting piece; 31, first mounting plate; 32, second mounting plate. DETAILED DESCRIPTION

[0041] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the description of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0042] In the description of the present application, unless otherwise explicitly specified and limited, the terms "arrangement", "mounting", "connection" and the like should be broadly understood, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0043] The terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of description and simplification of description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0044] ​​The terms "first", "second", "third", and the like, merely distinguish similar elements, and do not indicate or imply relative importance or a particular order.

[0045] The terms "comprise", "contain", or any other variant thereof, are intended to cover non-exclusive inclusion, in addition to the listed elements, other elements that are not explicitly listed are also included.

[0046] As Figure 1 The application provides an energy storage battery rack, comprising: a battery rack body 1, the battery rack body 1 has a plurality of battery pack placement rooms 11, the bottom of the battery rack body 1 is provided with (2n+2) supporting legs 12, wherein n is an integer greater than or equal to 1, four supporting legs 12 form a matrix unit 13, and each matrix unit 13 formed by the supporting legs 12 is provided with a stabilizing assembly 2, and the stabilizing assembly 2 is connected with each supporting leg 12 in the matrix unit 13.

[0047] When any supporting leg 12 on the battery rack body 1 is impacted by external force, the stabilizing assembly 2 can disperse and transmit the impact force, weaken the damage of the external impact on the supporting leg 12, ensure the stability of the battery rack body 1, avoid the impact causing the supporting leg 12 to bend or break, and cause the battery rack body 1 to fall, so that the battery pack in the battery rack body 1 is damaged to cause secondary damage. In the application, the stabilizing assembly 2 is used to connect the supporting legs 12 in each matrix unit 13 to form a whole, so as to improve the anti-impact performance of each supporting leg 12, and further improve the safety of the battery rack body 1.

[0048] As Figure 1 In a specific example of the application, the bottom of the battery rack body 1 has six supporting legs 12, which form two matrix units 13. Specifically, in the embodiment, each matrix unit 13 has a plurality of layers of placement rooms 11 arranged in the height direction above it, and the specific number of layers of placement rooms 11 is selected according to actual needs and is not limited herein. In the embodiment, the two matrix units 13 have two vertical columns of placement rooms 11 above them. In other embodiments, the bottom of the battery rack body 1 is provided with eight supporting legs, which form three matrix units 13, and each matrix unit 13 has a plurality of layers of placement rooms 11 arranged in the height direction above it. Herein, the application is not limited, and can be selected according to the actual space size.

[0049] Embodiment one

[0050] As Figure 1 and Figure 2As shown, in a specific example provided by the present application, an energy storage battery rack comprises a battery rack body 1, the bottom of the battery rack body 1 is provided with six legs 12 arranged in a two-by-three matrix, two adjacent two-by-two legs 12 form a matrix unit 13, and each matrix unit 13 is provided with a plurality of layers of placement chambers 11 arranged in the height direction above the matrix unit 13. Each matrix unit 13 formed by the legs 12 is provided with a stabilizing assembly 2, and the stabilizing assembly 2 is connected to each leg 12 in the matrix unit 13. Specifically, in the embodiment, the stabilizing assembly 2 comprises a first stabilizing rod 21 and a second stabilizing rod 22, the middle part of the first stabilizing rod 21 is connected to the middle part of the second stabilizing rod 22 in a staggered manner, and the first stabilizing rod 21 and the second stabilizing rod 22 are fixedly connected, and the two ends of the first stabilizing rod 21 and the second stabilizing rod 22 are respectively connected to the opposite two legs 12.

[0051] It can be understood that when any one of the legs 12 on the battery rack body 1 is impacted by an external force, the first stabilizing rod 21 or the second stabilizing rod 22 connected to the leg 12 will transmit the impact force to the other legs 12. In the present application, the first stabilizing rod 21 and the second stabilizing rod 22 are connected in a staggered manner, so that the first stabilizing rod 21 and the second stabilizing rod 22 can transmit and disperse the impact force received by a single leg 12 to each of the remaining legs 12, thereby avoiding the bending or breaking of the impacted leg 12 and further avoiding safety accidents caused by the tilting of the battery rack body 1.

[0052] Further referring to Figure 1 As Figure 2 In some specific examples provided by the present application, the first stabilizing rod 21 and the second stabilizing rod 22 are both convex arc-shaped structures, and the top of the first stabilizing rod 21 and the second stabilizing rod 22 is not higher than the bottom of the battery rack body 1. Specifically, in the embodiment, the top of the first stabilizing rod 21 and the second stabilizing rod 22 is connected to the bottom of the battery rack body 1. It can be understood that since the first stabilizing rod 21 and the second stabilizing rod 22 are convex arc-shaped structures, the intersection of the first stabilizing rod 21 and the second stabilizing rod 22 is the top of the first stabilizing rod 21 and the second stabilizing rod 22. In actual use, the first stabilizing rod 21 and the second stabilizing rod 22 can transmit the impact force received by any one of the legs 12 to the remaining legs 12, and can disperse the impact force to the battery rack body 1 through the part connected to the bottom of the battery rack body 1; the structure of the first stabilizing rod 21 and the second stabilizing rod 22 in the embodiment can further improve the anti-impact performance of the legs 12.

[0053] In some specific examples provided by the application, the cross sections of the first stabilizing rod 21 and the second stabilizing rod 22 are circular structures. This embodiment only provides a specific shape of the first stabilizing rod 21 and the second stabilizing rod 22, and in other embodiments, the cross sections of the first stabilizing rod 21 and the second stabilizing rod 22 can be rectangular structures or pentagonal structures, which are not limited in the application and can be selected according to requirements.

[0054] As shown in Figure 3 In a specific example provided by this embodiment, the two ends of the first stabilizing rod 21 and the second stabilizing rod 22 are respectively provided with mounting pieces 3 connected with the legs 12, the mounting piece 3 includes first mounting plates 31 and second mounting plates 32 connected vertically, the first mounting plates 31 and the second mounting plates 32 are attached to the two adjacent outer surfaces of the legs 12, and the first mounting plates 31 and the second mounting plates 32 are fixedly connected to the legs 12 by bolts.

[0055] Embodiment Two

[0056] As shown in Figure 4 and Figure 5 The difference between this embodiment and the first embodiment is that, in this embodiment, the first stabilizing rod 21 and the second stabilizing rod 22 are in a downward convex arc structure, and the bottom of the first stabilizing rod 21 and the second stabilizing rod 22 is not lower than the lower surface of the leg 12. Specifically, in this embodiment, the bottom of the first stabilizing rod 21 and the second stabilizing rod 22 is in the same horizontal plane as the lower surface of the leg 12.

[0057] It can be understood that, since the first stabilizing rod 21 and the second stabilizing rod 22 are in a downward convex arc structure, the intersection of the first stabilizing rod 21 and the second stabilizing rod 22 is the bottom of the intersection of the first stabilizing rod 21 and the second stabilizing rod 22. In actual use, the first stabilizing rod 21 and the second stabilizing rod 22 can transmit the impact force received by any one of the legs 12 to the remaining legs 12, and transmit the force to the ground through the connection of the first stabilizing rod 21 and the second stabilizing rod 22 to divide the force, thereby ensuring the anti-collision performance of the legs 12 and further ensuring the safety performance of the battery rack body 1.

[0058] As shown in Figure 6 In a specific example provided by this embodiment, the two ends of the first stabilizing rod 21 and the second stabilizing rod 22 are respectively provided with mounting pieces 3 connected with the legs 12, the mounting piece 3 includes first mounting plates 31 and second mounting plates 32 connected vertically, the first mounting plates 31 and the second mounting plates 32 are attached to the two adjacent outer surfaces of the legs 12, and the first mounting plates 31 and the second mounting plates 32 are fixedly connected to the legs 12 by bolts.

[0059] Embodiment Three

[0060] As shown in Figure 7 to Figure 9As shown, in a specific example provided by the present application, an energy storage battery rack comprises a battery rack body 1, the bottom of the battery rack body 1 has six legs 12 arranged in a two-by-three matrix, two adjacent two-by-two legs 12 form a matrix unit 13, each matrix unit 13 has multiple layers of placement chambers 11 arranged in the height direction above, each matrix unit 13 formed by the legs 12 is provided with a stabilizing assembly 2, and the stabilizing assembly 2 is connected to each leg 12 in the matrix unit 13. Specifically, the stabilizing assembly 2 comprises a force transmission structure 24 and four connecting rods 23 arranged around the force transmission structure 24, and one end of each connecting rod 23 away from the force transmission structure 24 corresponds to connecting one leg 12.

[0061] It can be understood that when any one leg 12 is impacted by external force, the impact force is transmitted to the force transmission structure 24 through the connecting rod 23 connected thereto, and the force transmission structure 24 further disperses the impact force to the remaining legs 12 on the battery rack body 1 through other connecting rods 23, and the dispersed legs 12 are integrated by the connecting rod 23 and the force transmission structure 24, which can disperse and transmit the external impact force, improve the anti-collision performance of each leg 12, and improve the safety of the battery rack body 1.

[0062] As shown, Figure 10 In a specific example provided by the present application, the connecting rod 23 has an upper convex arc structure, and the top of the force transmission structure 24 is connected to the bottom of the battery rack body 1. The force transmission structure 24 comprises a suction seat 242, a mounting seat 241 and a suction spring 243; the outer periphery of the suction seat 242 is connected to one end of the four connecting rods 23, respectively, the suction seat 242 has a first mounting groove, the mounting seat 241 has a second mounting groove for placing the suction seat 242, and the opening of the second mounting groove is in a relative position with the first mounting groove; one end of the suction spring 243 is fixed to the bottom of the first mounting groove, and the other end is fixed to the bottom of the second mounting groove. Specifically, the side where the bottom of the second mounting groove is located is mounted to the bottom of the battery rack body 1, the opening of the mounting seat 241 faces downward, the suction seat 242 is located below the mounting seat 241, the suction spring 243 is in a normal state, and the suction spring 243 has four and is arranged in a rectangular distribution between the suction seat 242 and the mounting seat 241. It should be noted that the number of suction springs 243 is not limited, and the distribution mode of the suction spring 243 is not limited.

[0063] It can be understood that the connecting rod 23 can transmit the impact force received by the corresponding leg 12 to the suction seat 242, the suction seat 242 extrudes the suction spring 243, the suction spring 243 absorbs the impact force and can transmit the excess impact force to the mounting seat 241, and then disperses to the battery rack body 1; at the same time, the suction seat 242 can further transmit the impact force to the legs 12 not subjected to the impact through other connecting rods 23 connected thereto, thereby improving the anti-collision performance of the single leg 12.

[0064] In one specific example provided by the present application, the cross section of the connecting rod 23 is in a circular structure. In other embodiments, the cross section of the connecting rod 23 is in a rectangular structure or a pentagonal structure, which is not limited in the present application and can be selected according to requirements.

[0065] As shown in Figure 11 In one specific example provided by the present application, the end of the connecting rod 23 away from the force transmission structure 24 is provided with a mounting member 3 connected with the leg 12. The mounting member 3 includes a first mounting plate 31 and a second mounting plate 32 connected vertically. The first mounting plate 31 and the second mounting plate 32 are attached to the two adjacent outer surfaces of the leg 12, and the first mounting plate 31 and the second mounting plate 32 are fixedly connected to the leg 12 by bolts.

[0066] Embodiment Four

[0067] As shown in Figure 12 to Figure 15 The difference between the present embodiment and the third embodiment is that, in the present embodiment, the connecting rod 23 is in a lower convex arc structure, and the lower surface of the force transmission structure 24 is in the same horizontal plane as the lower surface of the leg 12. The force transmission structure 24 includes a suction base 242, a mounting base 241 and a suction spring 243. The outer periphery of the suction base 242 is connected with one end of the four connecting rods 23, respectively. The suction base 242 has a first mounting groove, the mounting base 241 has a second mounting groove for placing the suction base 242, and the opening of the second mounting groove is in an opposite position to the opening of the first mounting groove. One end of the suction spring 243 is fixed to the bottom of the first mounting groove, and the other end is fixed to the bottom of the second mounting groove. Specifically, the surface where the bottom of the second mounting groove is located contacts the ground, the opening of the mounting base 241 is upward, the suction base 242 is above the mounting base 241, the suction spring 243 is in a normal state, and the suction spring 243 has four and is distributed in a rectangular shape between the suction base 242 and the mounting base 241.

[0068] It can be understood that the connecting rod 23 can transmit the impact force received by the corresponding leg 12 to the suction base 242, the suction base 242 can press the suction spring 243, the suction spring 243 can absorb the impact force and transmit the excess impact force to the ground, and then to the battery rack body 1, thereby improving the anti-collision performance of the single leg 12.

[0069] As shown in Figure 16As shown, in a specific example provided by the embodiment, the connecting rod 23 away from one end of the force transmission structure 24 is provided with the mounting piece 3 connected with the support leg 12, the mounting piece 3 includes the first mounting plate 31 and the second mounting plate 32 connected vertically, the first mounting plate 31 and the second mounting plate 32 are attached on the two outer surfaces adjacent to the support leg 12, and the first mounting plate 31 and the second mounting plate 32 are fixedly connected to the support leg 12 through bolts. It is worth noting that the energy storage battery rack in the embodiment is in a separated state between the first mounting plate 31, the second mounting plate 32 and the support leg 12 during transportation, and then the stabilizing assembly 2 connected with the first mounting plate 31 and the second mounting plate 32 can be placed and constrained separately, so that the stabilizing assembly 2 can keep stable during transportation, the stabilizing assembly 2 is prevented from being damaged during transportation, and the energy storage battery rack is convenient for transportation.

[0070] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An energy storage battery rack characterized by, The utility model relates to a battery rack body (1) has a plurality of battery package placing chamber (11), the bottom of battery rack body (1) is equipped with (2n+2) support leg (12) wherein n is the integer of 1 or more, four support leg (12) constitute a matrix unit (13), and every matrix unit (13) in support leg (12) constitutes is equipped with a stabilizing assembly (2), and the stabilizing assembly (2) is connected with every support leg (12) in this matrix unit (13). The stabilizing assembly (2) includes first stabilizing rod (21) and second stabilizing rod (22), the middle part of first stabilizing rod (21) is staggered with the middle part of second stabilizing rod (22) is connected, and first stabilizing rod (21) is fixedly connected with second stabilizing rod (22), both sides of first stabilizing rod (21) and second stabilizing rod (22) are connected to the opposite two support leg (12) respectively.

2. The energy storage battery rack of claim 1, wherein, The first stabilizing rod (21) and the second stabilizing rod (22) are both convex arc structures, and the top of the first stabilizing rod (21) and the second stabilizing rod (22) is not higher than the bottom of the battery rack body (1).

3. The energy storage battery rack of claim 2, wherein, The first stabilizing rod (21) and the second stabilizing rod (22) are both convex arc structures, and the bottom of the first stabilizing rod (21) and the second stabilizing rod (22) is not lower than the lower surface of the support leg (12).

4. The energy storage battery rack of claim 2, wherein, The stabilizing assembly (2) includes a force transmission mechanism (24) and four connecting rods (23) arranged around the force transmission mechanism (24), one end of each connecting rod (23) away from the force transmission mechanism (24) corresponds to connecting a support leg (12).

5. The energy storage battery rack of claim 1, wherein, The connecting rod (23) is an upper convex arc structure, and the top of the force transmission mechanism (24) is connected to the bottom of the battery rack body (1).

6. The energy storage battery rack of claim 5, wherein, The connecting rod (23) is a lower convex arc structure, and the lower surface of the force transmission mechanism (24) is at the same level as the lower surface of the support leg (12).

7. The energy storage battery rack of claim 5, wherein, The force transmission mechanism (24) includes a suction seat (242), a mounting seat (241), and a suction spring (243).

8. The energy storage battery rack of any one of claims 5 to 7, wherein, The outer periphery of the suction seat (242) is connected to one end of each of the four connecting rods (23), and the suction seat (242) has a first mounting groove. The mounting seat (241) has a second mounting groove for placing the suction seat (242), and the opening of the second mounting groove is in an opposite position to the first mounting groove. One end of the suction spring (243) is fixed to the bottom of the first mounting groove, and the other end is fixed to the bottom of the second mounting groove. When the connecting rod (23) is an upper convex arc structure, the side surface where the bottom of the second mounting groove is located is mounted to the bottom of the battery rack body (1), the opening of the mounting seat (241) faces downward, the suction seat (242) is located below the mounting seat (241), and the suction spring (243) is in a normal state.

9. The energy storage battery rack of claim 8, wherein, ​ When the connecting rod (23) is in a lower convex arc structure, the surface where the bottom of the second mounting groove is located contacts the ground, the opening of the mounting seat (241) faces upwards, the suction seat (242) is located above the mounting seat (241), and the suction spring (243) is in a normal state.

10. The energy storage battery rack of claim 8, wherein, The suction spring (243) has four and is rectangularly distributed between the suction seat (242) and the mounting seat (241).

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