Battery module hoisting clamp

Abstract

The utility model provides a battery module hoisting clamp. The battery module hoisting clamp comprises a main body assembly, two hoisting assemblies and two locking assemblies, the main body assembly comprises a bearing piece and a lifting ring piece, the lifting assembly comprises a frame body piece and a lifting piece, one end of the frame body piece is movably connected to the bearing piece, and the lifting piece is arranged at the other end of the frame body piece; the locking assembly comprises a locking lever piece and a locking piece, the hoisting piece extends into the hoisting hole of the battery module, the locking lever piece pushes the locking piece to extend into the hoisting hole, and the hoisting piece and the locking piece are matched, locked and fixed on the battery module. The battery module lifting clamp can adapt to lifting and carrying of battery modules of different length specifications, compatibility and universality are improved, the requirement for carrying of the battery modules of multiple models and specifications can be met at the same time, the manufacturing cost of the clamp is reduced, and the production efficiency is improved; the hoisting piece and the battery module can be completely locked and fixed in the hoisting and carrying process, the unhooking prevention effect is achieved, and the hoisting and carrying safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery module production technical field, specifically, relate to a kind of battery module hoist clamp. BACKGROUND

[0002] Battery module PACK is integrated system combined and packaged by multiple battery monomers, which can be used in electric vehicles, power stations or household power storage, and contains battery monomers, protection system, heat dissipation structure and battery management system (BMS) inside, to ensure safe operation and efficient energy management, and is the core energy storage unit in new energy field.

[0003] In the process of carrying after the assembly of battery module is completed, the volume of battery module is large, and hoist clamp is needed in carrying process to fix battery module first, and then hoist equipment is used to carry battery module, but as the application scene of battery module is more and more extensive, the models of battery module used in different scenes are not completely same, and in order to ensure that hoist clamp can firmly fix battery module, the existing hoist clamp is mostly customized according to the specifications of battery module to be carried, and the compatibility and universality are poor, so that it cannot meet the carrying of battery module with different models and specifications, and the production cost is increased. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a kind of battery module hoist clamp.

[0005] The battery module hoist clamp disclosed in the present application comprises a main body assembly, two hoisting assemblies and two locking assemblies; the main body assembly comprises a bearing member and a lifting ring member, and the bearing member is connected to the bottom of the lifting ring member; each hoisting assembly comprises a frame member and a lifting member, one end of each of the two frame members is movably connected to the bearing member, so that the two frame members can be relatively close or far away from each other, and the other end of each of the two frame members is provided with a lifting member; each locking assembly comprises a locking lever member and a locking member, the two locking lever members are arranged on the two frame members, one end of each of the two locking members is connected to the two locking lever members, the other end of each of the two locking members is in contact with and can slide relative to the two lifting members, and the cross-sectional width of the locking member gradually increases along the direction of the connecting line from the lifting member to the locking lever member; the lifting member extends into the lifting hole of the battery module, the other end of the locking member is pushed by the locking lever member to extend into the lifting hole, and the lifting member and the locking member are locked and fixed to the battery module.

[0006] Preferably, the lifting member comprises a lifting column and a lifting protrusion, the lifting column is connected to the other end of the frame member, the locking member is in contact with and can slide relative to one side wall of the lifting column, and the lifting protrusion is arranged on the other side wall of the lifting column; the lifting column, the lifting protrusion and the locking member are locked and fixed to the battery module.

[0007] Preferably, the frame body comprises a sliding block and a lifting frame, the sliding block is movably connected to the carrier, one end of the lifting frame is connected to the sliding block, and the lifting member is connected to the other end of the lifting frame.

[0008] Preferably, the frame body further comprises an elastic part, and two ends of the elastic part are connected to the sliding block and the lifting frame, respectively.

[0009] Preferably, the elastic part is an elastic lifting rope.

[0010] Preferably, the frame body further comprises a fixing part, the sliding block is provided with a fixing hole, the carrier is provided with a plurality of positioning holes which are spaced apart along the length direction of the carrier in sequence, and the fixing part passes through the fixing hole and a certain positioning hole, so that the sliding block is fixed to the carrier.

[0011] Preferably, the lifting frame comprises a connecting column and two lifting plates which are arranged opposite to each other, two ends of the connecting column are connected to the two lifting plates, respectively, one end of each of the two lifting plates is connected to the sliding block, the number of the lifting members in one lifting assembly is two, and the two lifting members are connected to the other ends of the two lifting plates, respectively.

[0012] Preferably, the number of the sliding blocks in one lifting assembly is two, the carrier comprises two carrier bars which are arranged opposite to each other, the two carrier bars are connected to the bottom of the lifting ring, respectively, and the two sliding blocks are movably connected to the two carrier bars, respectively.

[0013] Preferably, the locking lever comprises a mounting plate, a locking lever and a locking plate, the mounting plate is connected to the two lifting plates, respectively, the locking lever is arranged on the mounting plate, the locking plate is connected to the locking lever, the number of the locking members of each locking assembly is two, the two locking members are arranged on the two side edges of the locking plate, respectively, and one locking member is arranged in cooperation with one lifting member.

[0014] Preferably, the locking plate is provided with a guide protrusion at each end, the lifting plate is provided with a guide sliding groove at a position corresponding to the guide protrusion, and the guide protrusion is embedded in the guide sliding groove.

[0015] The beneficial effects of the present application are as follows: when hoisting and carrying, the two hoisting members are respectively inserted into the two hoisting holes at both ends of the battery module, the locking lever member is pulled, the other end of the locking member is gradually inserted into the hoisting hole by the locking lever member, and the cross-sectional width of the locking member gradually increases along the connecting direction of the hoisting member to the locking lever member. As the other end of the locking member gradually extends into the hoisting hole until the locking member and the hoisting member cooperate to completely block the hoisting hole, the hoisting member cannot be pulled out of the hoisting hole, that is, the hoisting member and the locking member are locked and fixed to the battery module, and the hoisting mechanism connected to the lifting ring member can be hoisted and carried by the battery module hoisting clamp. At the same time, one end of the frame member is movably connected to the bearing member, that is, one end of the frame member can slide on the bearing member, the distance between the two frame members is adjusted, the two frame members can be relatively close or far away, and the distance between the two hoisting members is adjusted. In this way, the hoisting and carrying of battery modules of different length specifications can be adapted, the compatibility and universality are improved, the carrying of multiple models and multiple specifications of battery modules can be met at the same time, the manufacturing cost of the clamp is reduced, and the production efficiency is improved. In addition, through the arrangement of the locking lever member and the locking member, the hoisting member and the battery module can be completely locked and fixed during hoisting and carrying, the anti-unhooking effect is realized, and the safety of hoisting and carrying is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0017] Figure 1 It is a structural schematic view of the battery module hoisting clamp in the embodiment;

[0018] Figure 2 It is a structural schematic view of the hoisting assembly and the locking assembly in the embodiment;

[0019] Figure 3 It is a structural schematic view of the battery module in the embodiment;

[0020] Figure 4 It is a structural schematic view of the side plate in the embodiment;

[0021] Figure 5 It is Figure 2 A part of the embodiment is enlarged.

[0022] Reference signs:

[0023] 1, main body assembly; 11, bearing; 111, positioning hole; 112, bearing rod; 12, lifting ring; 2, lifting assembly; 21, frame body; 211, sliding block; 2111, fixing hole; 212, lifting frame; 2121, connecting column; 2122, lifting plate; 21221, guide chute; 213, telescopic part; 22, lifting part; 221, lifting column; 222, lifting protrusion; 3, locking assembly; 31, locking lever; 311, mounting plate; 312, locking lever; 313, locking plate; 3131, guide protrusion; 32, locking part; 100, battery module; 101, lifting hole; 102, battery cell; 103, fixing frame; 1031, side plate; 10311, bottom plate; 10312, lifting matching block; 10313, lifting matching strip; 10314, strip-shaped groove; 1032, fixing frame. DETAILED DESCRIPTION

[0024] In the following, a plurality of embodiments of the present application will be disclosed with reference to the drawings. For the purpose of clear illustration, a number of practical details will be described in the following description. However, it should be appreciated that these practical details should not be used to limit the present application. That is, in some embodiments of the present application, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0025] It should be noted that all directional references, such as upper, lower, left, right, front, rear, etc., are in relation to the specific embodiment shown in the drawing and are used in connection with the description of the application. If the specific orientation of the drawing is changed, then the directional references will also be changed accordingly.

[0026] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description, and does not mean to specially indicate the order or sequence, nor to limit the present application. It is merely to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implying the number of the indicated technical features. Therefore, the features defined as "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of a person skilled in the art. When the combination of technical solutions is contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the scope of protection required by the present application.

[0027] In order to further understand the application content, characteristics and effects of the present application, the following embodiments are exemplified and described in detail as follows with reference to the drawings.

[0028] Reference Figures 1-3 ,Figure 1 This is a schematic diagram of the battery module hoisting fixture in the embodiment. Figure 2 This is a schematic diagram of the lifting assembly and locking assembly in the embodiment. Figure 3 This is a schematic diagram of the battery module structure in this embodiment. The battery module lifting fixture in this embodiment includes a main component 1, two lifting components 2, and two locking components 3. The main component 1 includes a support member 11 and a lifting ring member 12, with the support member 11 connected to the bottom of the lifting ring member 12. Each lifting component 2 includes a frame member 21 and a lifting member 22. One end of each frame member 21 is movably connected to the support member 11, allowing the two frame members 21 to move closer or further apart. The two lifting members 22 are respectively located at the other ends of the two frame members 21. Each locking component 3 includes a locking lever member 31 and a locking member 32. The two locking lever members 31 are respectively located on the two frame members 21. One end of each locking member 32 is connected to the two locking lever members 31, and the other end of each locking member 32 is in contact with and can slide relative to the two lifting members 22. Along the line connecting the lifting member 22 to the locking lever member 31, the cross-sectional width of the locking member 32 gradually increases. The lifting component 22 extends into the lifting hole 101 of the battery module 100, and the locking lever 31 pushes the other end of the locking component 32 into the lifting hole 101. The lifting component 22 and the locking component 32 cooperate to lock and fix the battery module 100.

[0029] The battery module lifting clamp in the embodiment is used for lifting and carrying the assembled battery module 100. In specific application, the battery module 100 in the embodiment includes a plurality of battery monomers 102 and a fixing frame 103. The plurality of battery monomers 102 are sequentially and side by side attached. The fixing frame 103 is sleeved outside the plurality of battery monomers 102. The fixing frame 103 is provided with at least two lifting holes 101. The two lifting holes 101 are respectively located at two opposite ends of the fixing frame 103. When lifting and carrying, the two lifting pieces 22 are respectively inserted into the two lifting holes 101 at the two ends of the battery module 100. The locking lever piece 31 is pulled. The other end of the locking piece 32 is gradually inserted into the lifting hole 101 and pushed by the locking lever piece 31. Since the cross-sectional width of the locking piece 32 gradually increases along the connecting direction of the lifting piece 22 to the locking lever piece 31, as the other end of the locking piece 32 gradually extends into the lifting hole 101 until the locking piece 32 and the lifting piece 22 cooperate to completely block the lifting hole 101, the lifting piece 22 cannot be pulled out of the lifting hole 101 at this time, that is, the lifting piece 22 and the locking piece 32 are locked and fixed to the battery module 100. The lifting mechanism connected to the lifting ring piece 12 can lift and carry the battery module 100 through the battery module lifting clamp. Since the lifting holes 101 are located at two opposite ends of the battery module 100, the distance between the two lifting holes 101 is the length of the battery module 100. In the embodiment, one end of the frame piece 21 is movably connected to the bearing piece 11, that is, one end of the frame piece 21 can slide on the bearing piece 11. By adjusting the distance between the two frame pieces 21, the two frame pieces 21 can be relatively close or far away, so as to adjust the distance between the two lifting pieces 22. In this way, different length specifications of the battery module 100 can be adapted for lifting and carrying, improving compatibility and universality. The carrying of multiple models and multiple specifications of the battery module 100 can be simultaneously satisfied, the manufacturing cost of the clamp is reduced, and the production efficiency is improved. In addition, through the setting of the locking lever piece 31 and the locking piece 32, the lifting piece 22 and the battery module 100 can be completely locked and fixed during lifting and carrying, the anti-unhooking effect is realized, and the safety of lifting and carrying is improved.

[0030] Referring back Figure 2 , preferably, the frame piece 21 includes a sliding block 211 and a lifting frame 212. The sliding block 211 is movably connected to the bearing piece 11. One end of the lifting frame 212 is connected to the sliding block 211. The lifting piece 22 is connected to the other end of the lifting frame 212. In specific application, the sliding block 211 in the embodiment is slidably sleeved outside the bearing piece 11, that is, the sliding block 211 can slide on the bearing piece 11, so as to drive the two lifting frames 212 to approach or move away from each other. The sliding block 211 is slidably sleeved outside the bearing piece 11, which has stronger stability than the rest of the sliding connection structure, can effectively prevent the sliding block 211 from separating and falling off the bearing piece 11, and improves the safety of lifting and carrying.

[0031] Referring backFigure 1 and Figure 2 Preferably, the frame member 21 further comprises a fixing portion, the sliding block 211 is provided with a fixing hole 2111, and the carrier 11 is provided with a plurality of positioning holes 111 which are spaced apart along the length direction of the carrier 11. The fixing portion passes through the fixing hole 2111 and a certain positioning hole 111, so that the sliding block 211 is fixed to the carrier 11. In specific application, when it is necessary to hoist and carry battery modules 100 of different specifications, the sliding block 211 is moved according to the length of the battery module 100, so that the distance between the two sliding blocks 211 is equal to the length of the battery module 100, and then the fixing portion passes through the fixing hole 2111 and the positioning hole 111, so that the sliding block 211 is fixed to the carrier 11. At this time, the two sliding blocks 211 are fixed to the carrier 11, and the distance between them remains unchanged, so that the relative sliding between the sliding block 211 and the carrier 11 during hoisting and carrying is avoided, and the safety and stability are ensured. Specifically, the fixing portion is a fixing screw.

[0032] Referring back to Figure 1 and Figure 2 Preferably, the frame member 21 further comprises a telescopic portion 213, and the two ends of the telescopic portion 213 are connected to the sliding block 211 and the hoisting frame 212, respectively. Through the arrangement of the telescopic portion 213, the hoisting frame 212 and the sliding block 211 are not directly and rigidly connected, but have the telescopic portion 213 as a buffer connecting piece. In this way, the movable space of the hoisting frame 212 is increased, and the operator can move the position of the hoisting frame 212, that is, the operator can accurately extend the hoisting member 22 into the hoisting hole 101. Specifically, the telescopic portion 213 is an elastic hoisting rope.

[0033] Referring back to Figure 4 , Figure 4As shown in the structural schematic diagram of the side plate in the embodiment, preferably, the hoisting member 22 comprises a hoisting column 221 and a hoisting protrusion 222, the hoisting column 221 is connected to the other end of the frame member 21, the locking member 32 is attached to one side wall of the hoisting column 221 and can slide relative to the hoisting column 221, and the hoisting protrusion 222 is arranged on the other side wall of the hoisting column 221. The hoisting column 221, the hoisting protrusion 222 and the locking member 32 are cooperatively locked and fixed to the battery module 100. In a specific application, the fixing frame 103 comprises two side plates 1031 and a fixing frame 1032, the two side plates 1031 are respectively abutted against the side walls of the two outermost battery monomers 102, and the fixing frame 1032 is sleeved outside the plurality of battery monomers 102 and the two side plates 1031 to bind and fix the plurality of battery monomers 102 and the two side plates 1031. The side plate 1031 comprises a bottom plate 10311 and a hoisting cooperation body arranged on one side edge of the bottom plate 10311, the hoisting cooperation body comprises a hoisting cooperation block 10312 and a hoisting cooperation strip 10313, the hoisting hole 101 is arranged in the hoisting cooperation block 10312, the hoisting cooperation strip 10313 is provided with a strip-shaped groove 10314, the strip-shaped groove 10314 is communicated with the hoisting hole 101, the outer diameter of the hoisting protrusion 222 is equivalent to the hole diameter of the hoisting hole 101, and the outer diameter of the hoisting column 221 is smaller than the hole diameter of the hoisting hole 101. It can be understood that when hoisting and carrying are needed, the hoisting protrusion 222 first passes through the hoisting hole 101 to extend into the hoisting cooperation strip 10313 through the hoisting cooperation block 10312, at this time, the hoisting column 221 is arranged in the hoisting hole 101, and the hoisting hole 101 also has a gap. Then the locking lever member 31 is pulled, the other end of the locking member 32 is gradually extended into the hoisting hole 101 by the locking lever member 31, because the cross-sectional width of the locking member 32 gradually increases along the connecting direction of the hoisting member 22 to the locking lever member 31, as the other end of the locking member 32 is gradually extended into the hoisting hole 101 until the locking member 32 and the hoisting member 22 cooperatively completely block the hoisting hole 101, and the hoisting protrusion 222 extends to the outside of the hoisting cooperation strip 10313 through the strip-shaped groove 10314 and hooks the bottom of the hoisting cooperation block 10312 to form an anti-disengagement structure, further improving the stability of locking and the safety of hoisting and carrying.

[0034] Reference is made again to Figures 1-4Preferably, the hoisting frame 212 includes a connecting column 2121 and two oppositely arranged hoisting plates 2122. The two ends of the connecting column 2121 are respectively connected to the two hoisting plates 2122, and one end of the two hoisting plates 2122 is respectively connected to a sliding block 211. The number of hoisting components 22 in a hoisting assembly 2 is two, and the two hoisting components 22 are respectively connected to the other end of the two hoisting plates 2122. In practical application, in this embodiment, there are four lifting assemblies. Each base plate 10311 has one lifting assembly on each of its two sides. The four lifting assemblies are located at the four corners of the battery module 100, that is, the four lifting holes 101 are located at the four corners of the battery module 100. It is understood that by moving the position of the sliding block 211, the four lifting parts 22 correspond one-to-one with the positions of the four lifting holes 101. This is equivalent to locking and fixing the battery module 100 from the four corners. The four fixed force points not only make the battery module 100 more securely locked, but also make the position of the battery module 100 relatively stable during the lifting and transportation process, thereby improving the safety and stability of the lifting and transportation.

[0035] Rereference Figure 1 Preferably, the number of sliding blocks 211 in a hoisting assembly 2 is two, and the bearing member 11 includes two opposite bearing bars 112, which are respectively connected to the bottom of the lifting ring member 12, and the two sliding blocks 211 are respectively movably connected to the two bearing bars 112. In specific applications, the number of sliding blocks 211 in this embodiment is four. The four sliding blocks 211 not only make it easier to accurately adjust the position of the frame member 21, but also the four sliding blocks 211 are equivalent to four force points, ensuring that the position of the battery module 100 is relatively stable during hoisting and transportation, thereby improving the safety and stability of hoisting and transportation.

[0036] Rereference Figure 1 and Figure 2Preferably, the locking lever 31 comprises a mounting plate 311, a locking lever 312 and a locking plate 313, the mounting plate 311 is connected to the two lifting plates 2122 respectively, the locking lever 312 is arranged on the mounting plate 311, and the locking plate 313 is connected to the locking lever 312. The number of the locking member 32 of each locking assembly 3 is two, and the two locking members 32 are arranged on the two side edges of the locking plate 313 respectively, and one locking member 32 is arranged in cooperation with one lifting member 22. In specific application, the number of the locking member 32 in the embodiment is four, and the four locking members 32 are arranged in one-to-one correspondence with the four lifting members 22. It can be understood that the locking member 32 is attached to the side wall of the lifting column 221 and can slide relative to the side wall, and the lifting protrusion 222 is arranged at the bottom of the side wall of the lifting column 221 away from the locking member 32. When the battery module 100 needs to be lifted and carried, the four lifting members 22 are respectively inserted into the four lifting holes 101, and the two locking levers 312 are pulled respectively, the locking levers 312 push the locking plate 313 to descend and drive the locking member 32 to extend into the lifting hole 101. Since the cross-sectional width of the locking member 32 gradually increases along the connecting line direction from the lifting member 22 to the locking lever 312, the other end of the locking member 32 gradually extends into the lifting hole 101 until the locking member 32 and the lifting column 221 cooperate to completely block the lifting hole 101, and the lifting protrusion 222 extends out of the strip-shaped groove 10314 and hooks the bottom of the lifting matching block 10312 to form an anti-dropping structure. In this way, the battery module lifting clamp realizes locking and fixing of the battery module 100, and at this time, the lifting mechanism can be connected to the lifting ring 12 to lift and carry the battery module 100. When the battery module 100 is carried to the specified position, the locking lever 312 is pushed in the reverse direction, the other end of the locking member 32 gradually pulls out of the lifting hole 101, and then the lifting member 22 is pulled out of the lifting hole 101 to realize unlocking. Specifically, the locking member 32 in the embodiment is a locking block, which is in the shape of an inverted triangle, that is, the cross-sectional width of the locking member 32 gradually increases along the connecting line direction from the lifting member 22 to the locking lever 312.

[0037] Referring to Figure 5 , Figure 5 for Figure 2In the enlarged view of the middle A part, preferably, the locking plate 313 is provided with a guide protrusion 3131 at both ends, and the hoisting plate 2122 is provided with a guide sliding groove 21221 corresponding to the position of the guide protrusion 3131. In specific application, the two ends of the locking plate 313 are respectively attached to the two hoisting plates 2122 and can slide relative to each other, while the guide protrusion 3131 is embedded in the guide sliding groove 21221, that is, the movement of the locking plate 313 is guided. The guide sliding groove 21221 is a vertical sliding groove, and the guide protrusion 3131 is limited to slide in the guide sliding groove 21221, so that the locking plate 313 can only move in the vertical direction and cannot deviate in the horizontal direction. The locking member 32 connected to the locking plate 313 can only move in the vertical direction, that is, it can maintain close contact with the side wall of the hoisting column 221, thereby improving the stability of the locking. Specifically, the lifting ring member 12 is a lifting ring.

[0038] As described above, when hoisting and carrying, the two hoisting members 22 are respectively inserted into the two hoisting holes 101 at both ends of the battery module 100, the locking lever member 31 is pulled, and the other end of the locking member 32 is gradually inserted into the hoisting hole 101 by the locking lever member 31. Since the cross-sectional width of the locking member 32 gradually increases along the connecting line direction from the hoisting member 22 to the locking lever member 31, as the other end of the locking member 32 gradually extends into the hoisting hole 101 until the locking member 32 and the hoisting member 22 cooperate to completely block the hoisting hole 101, the hoisting member 22 cannot be pulled out of the hoisting hole 101, that is, the hoisting member 22 and the locking member 32 are cooperatively locked and fixed to the battery module 100, and the lifting mechanism connected to the lifting ring member 12 can be hoisted and carried by the battery module lifting clamp. The battery module 100 is transferred. At the same time, since one end of the frame member 21 is movably connected to the carrier 11, that is, one end of the frame member 21 can slide on the carrier 11, by adjusting the distance between the two frame members 21, the two frame members 21 can be relatively close or far away, so as to adjust the distance between the two hoisting members 22. In this way, different length specifications of the battery module 100 can be adapted for hoisting and carrying, improving compatibility and versatility, and can simultaneously satisfy the carrying of multiple models and multiple specifications of the battery module 100, reducing the manufacturing cost of the clamp, and improving production efficiency. In addition, through the arrangement of the locking lever member 31 and the locking member 32, the hoisting member 22 and the battery module 100 can be completely locked and fixed during hoisting and carrying, the anti-unhooking effect is realized, and the safety of hoisting and carrying is improved.

[0039] The above is only an embodiment of the present application and is not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the scope of the claims of the present application.

Claims

1. A battery module hoisting clamp characterized by, The utility model relates to a battery module lifting device, including: A main body assembly (1) comprising a carrier (11) and a lifting ring (12), the carrier (11) is connected to the bottom of the lifting ring (12); Two lifting assemblies (2), each of the lifting assemblies (2) comprises a frame body (21) and a lifting piece (22), one end of the two frame bodies (21) is movably connected to the carrier (11) respectively, so that the two frame bodies (21) can be relatively close or far away, and the other end of the two lifting pieces (22) is arranged on the two frame bodies (21) respectively; and Two locking assemblies (3), each of the locking assemblies (3) comprises a locking lever (31) and a locking piece (32), the two locking levers (31) are arranged on the two frame bodies (21) respectively, one end of the two locking pieces (32) is connected to the two locking levers (31) respectively, the other end of the two locking pieces (32) is attached to the two lifting pieces (22) respectively and can slide relatively, the cross-sectional width of the locking piece (32) gradually increases along the direction of the connecting line from the lifting piece (22) to the locking lever (31); the lifting piece (22) extends into the lifting hole (101) of the battery module (100), the other end of the locking piece (32) is pushed into the lifting hole (101) by the locking lever (31), and the lifting piece (22) and the locking piece (32) are locked and fixed on the battery module (100).

2. The battery module hoist clamp of claim 1, wherein, The lifting piece (22) comprises a lifting column (221) and a lifting protrusion (222), the lifting column (221) is connected to the other end of the frame body (21), the locking piece (32) is attached to one side wall of the lifting column (221) and can slide relatively, and the lifting protrusion (222) is arranged on the other side wall of the lifting column (221); the lifting column (221), the lifting protrusion (222) and the locking piece (32) are locked and fixed on the battery module (100).

3. The battery module hoist clamp of claim 1, wherein, The frame body (21) comprises a sliding block (211) and a lifting frame (212), the sliding block (211) is movably connected to the carrier (11), one end of the lifting frame (212) is connected to the sliding block (211), and the lifting piece (22) is connected to the other end of the lifting frame (212).

4. The battery module hoist clamp of claim 3, wherein, The frame body (21) further comprises a telescopic part (213), and two ends of the telescopic part (213) are connected to the sliding block (211) and the lifting frame (212) respectively.

5. The battery module hoist clamp of claim 4, wherein, The telescopic part (213) is an elastic lifting rope.

6. The battery module hoist clamp of claim 3, wherein, The frame body (21) further comprises a fixing part, the sliding block (211) is provided with a fixing hole (2111), and the carrier (11) is sequentially and spacedly provided with a plurality of positioning holes (111) along the length direction thereof; the fixing part passes through the fixing hole (2111) and one of the positioning holes (111), so that the sliding block (211) is fixed to the carrier (11).

7. The battery module hoist clamp of claim 3, wherein, The lifting frame (212) comprises connecting columns (2121) and two oppositely arranged lifting plates (2122), two ends of the connecting columns (2121) are connected with the two lifting plates (2122) respectively, one end of the two lifting plates (2122) is connected with the sliding block (211) respectively, the number of the lifting pieces (22) in one lifting assembly (2) is two, and the two lifting pieces (22) are connected with the other end of the two lifting plates (2122) respectively.

8. The battery module hoist clamp of claim 7, wherein, The number of the sliding blocks (211) in one lifting assembly (2) is two, the bearing piece (11) comprises two oppositely arranged bearing rods (112), the two bearing rods (112) are connected with the bottom of the lifting ring piece (12) respectively, and the two sliding blocks (211) are movably connected with the two bearing rods (112) respectively.

9. The battery module hoist clamp of claim 7, wherein, The locking lever piece (31) comprises mounting plates (311), locking levers (312) and locking plates (313), the mounting plates (311) are connected with the two lifting plates (2122) respectively, the locking levers (312) are arranged on the mounting plates (311), the locking plates (313) are connected with the locking levers (312), the number of the locking pieces (32) of each locking assembly (3) is two, the two locking pieces (32) are arranged on the two sides of the locking plate (313) respectively, and one locking piece (32) is arranged in pairs with one lifting piece (22).

10. The battery module hoist clamp of claim 9, wherein, The two ends of the locking plate (313) are provided with guide protrusions (3131), the lifting plate (2122) is provided with guide sliding grooves (21221) corresponding to the positions of the guide protrusions (3131), and the guide protrusions (3131) are embedded in the guide sliding grooves (21221).

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