Slidable support device and energy storage module

Abstract

The application discloses a slidable supporting device and an energy storage module. The slidable supporting device comprises a bottom support and a sliding assembly. The bottom support is provided with support frames on two sides. Each support frame is provided with a bottom wall. The bottom wall is provided with at least one opening along a first direction. The support frame is provided with a connecting part facing the opening. The sliding assembly is equal in number to the connecting parts and corresponds to the connecting parts one by one. The sliding assembly comprises a mounting seat and a roller. The roller is rotatably installed on the mounting seat along an axis extending in a second direction. The mounting seat is suitable for being fixed to the connecting part through the opening so that the roller is partially located in the support frame. The energy storage module adopts the slidable supporting device. The application is easy to push, easy to install and maintain, and has little influence on the power density of the container after the sliding assembly is added.

Description

Technical Field

[0001] This invention relates to the field of energy storage technology, specifically to a sliding support device and an energy storage module. Background Technology

[0002] As power density increases, the weight of energy storage modules also increases significantly, making handling extremely inconvenient, especially when loading them into containers. Current technology typically uses forklifts to push the modules into the container's guide rails, but forklifts cannot fully insert the modules; some still require manual pushing, making installation laborious. Similarly, when maintenance is needed, the modules must be manually pulled out, making both installation and maintenance time-consuming and labor-intensive. Existing technology adds ribs to the bottom of the energy storage module to reduce friction between the module and the container rails; however, with the module's weight increasing exponentially, installation and maintenance remain extremely difficult. Summary of the Invention

[0003] The purpose of this invention is to overcome the aforementioned defects or problems in the prior art and to provide a sliding support device and energy storage module that is easy to push, easy to install and maintain, and has little impact on the power density of the container after the addition of the sliding component.

[0004] To achieve the above objectives, the present invention and its preferred embodiments employ the following technical solutions, but the embodiments are not limited to the following solutions:

[0005] In technical solution one and related embodiments, this application provides a sliding support device for supporting energy storage cells, including a base extending along a first direction, and support frames respectively provided on both sides along a second direction perpendicular to the first direction. Each support frame has a bottom wall, and the bottom wall has at least one opening along the first direction. The support frame has a connecting part facing the opening; and a sliding assembly, which is equal in number to the connecting parts and corresponds one-to-one. The sliding assembly includes a mounting base and a roller. The roller is rotatably mounted on the mounting base about an axis extending along the second direction. The mounting base is adapted to pass through the opening and be fixed to the connecting part so that the roller part is located inside the support frame.

[0006] Based on technical solution one, there is also technical solution two. In technical solution two and its related embodiments, the support frame is provided with a top wall opposite to the bottom wall, the connecting part is provided with a connecting wall parallel to and opposite to the top wall, and a gap is formed between the connecting wall and the top wall; the mounting base is provided with a first through hole suitable for the upper part of the roller to extend out, and the connecting wall is provided with a second through hole corresponding to the first through hole for the upper part of the roller to extend out.

[0007] Based on technical solution two, technical solution three is also provided. In technical solution three and its related embodiments, the lower surface of the connecting wall forms an abutment surface, the mounting base has a top abutment surface that abuts against the abutment surface, the upper surface of the connecting wall is provided with nuts protruding upward on both sides of the second through hole, the connecting wall has a threaded hole corresponding to the nut, the threaded hole communicates with the inner cavity of the nut to form a first threaded hole, and the mounting base is adapted to be locked with the connecting part by screws corresponding to the nut and the threaded hole.

[0008] Based on technical solution three, technical solution four is also provided. In technical solution four and its related embodiments, the mounting base includes a mounting plate and a connecting shaft. The mounting plate is adapted to be locked with the connecting wall. The upper surface of the mounting plate forms the top abutment surface. The first through hole is formed on the mounting plate. The mounting plate has downward-opening limiting grooves on both sides of the first through hole along the second direction. The connecting shaft extends along the second direction. The roller is sleeved on the connecting shaft. The two ends of the connecting shaft are inserted into the limiting grooves and welded to the mounting plate.

[0009] Based on technical solution four, there is also technical solution five. In technical solution five and its related embodiments, the bottom of the limiting groove is parallel to the first direction and the second direction.

[0010] Based on technical solutions two to five, there is also a technical solution six. In technical solution six and its related embodiments, the support frame is further provided with a side wall connecting the bottom wall and the top wall, and the connecting part is welded to the side wall and the top wall.

[0011] Based on technical solution six, there is also technical solution seven. In technical solution seven and its related embodiments, the connecting part is integrally formed and has an abutment wall that is parallel to and opposite to the top wall. The abutment wall is formed at the free end of the connecting part and welded to the top wall.

[0012] Based on technical solution one, there is also technical solution eight. In technical solution eight and its related embodiments, the connecting parts on the two support frames are symmetrically arranged.

[0013] Based on technical solution one, there is also technical solution nine. In technical solution nine and its related embodiments, there is also a hoisting component; a plurality of first hanging holes are arranged on the side wall along the first direction, the number of hoisting components is equal to the number of first hanging holes and corresponds one-to-one, the hoisting component is welded to the inner surface of the side wall and is provided with a second hanging hole corresponding to the first hanging hole.

[0014] Technical solution ten and its related embodiments provide an energy storage module, which adopts the sliding support device described in any one of technical solutions one to nine.

[0015] As can be seen from the above description of the present invention and its preferred embodiments, compared with the prior art, the technical solution of the present invention and its preferred embodiments have the following beneficial effects due to the adoption of the following technical means:

[0016] In technical solution one, a sliding component is installed on the base of the support device, allowing the support device to slide with low resistance. When the support device supports the energy storage cells to form an energy storage module, the energy storage module can be easily pushed on the guide rail of the container, thus facilitating installation and maintenance. The connecting part is located inside the support frame, and the mounting seat passes through the opening and is detachably fixed to the connecting part so that the roller part is located inside the support frame. Therefore, only part of the roller is exposed outside the support frame, while the other part is located inside the support frame. This utilizes the space in the height direction of the support frame, so that the overall support device still has a relatively small height, and the energy storage module still has a large power density.

[0017] In technical solution two, the mounting base has a first through hole suitable for the upper part of the roller to extend out, and the connecting wall has a second through hole corresponding to the first through hole. On the one hand, the upper part of the roller can pass through the second through hole to pre-position the sliding component during installation, thereby locking the connecting part and the mounting base. On the other hand, the space inside the support frame (the gap between the connecting wall and the top wall) and the space of the mounting base can be further utilized, so that the overall height of the sliding component is small, and the height and volume of the support device can be further reduced.

[0018] In technical solution three, the cooperation between the top abutment surface and the contact surface ensures that as long as the height of each connecting part is consistent, the bottom ends of each roller can be basically located on the same plane, avoiding the impact of the tilt of the support device on the energy storage module. In practical applications, it has been found that when the roller part is located inside the support frame, it is extremely difficult to replace the roller if it is damaged. In this technical solution, the mounting base and the connecting part are detachably fixed by the nut protruding on the connecting wall and the corresponding threaded hole and screw, so that when the roller is damaged, the screw can be loosened through the opening in the bottom wall to disassemble the sliding assembly as a whole, which facilitates replacement.

[0019] In technical solution four, the mounting base has a simple structure and is easy to process. In practical applications, the connecting shaft can be passed through the roller first, and then the two ends of the connecting shaft can be inserted into the limiting groove and welded to the mounting plate. The process is simple and the cost is low.

[0020] In technical solution five, the bottom of the limiting groove is parallel to the first direction and the second direction, that is, the limiting groove is a square groove. Compared with the arc groove, it is cheaper and easier to ensure that the upper ends of each connecting shaft are on the same plane, thereby ensuring that the bottom ends of each roller are on the same plane.

[0021] In technical solution six, when the energy storage module is in a static state, the entire energy storage module is supported by rollers. The force of the rollers is transmitted upward to the mounting plate, and then indirectly to the connecting part. In technical solution six, the connecting part is welded to the side wall and the top wall, so that the connecting part is welded to both the side wall and the top wall, making the structure more stable and less prone to breakage.

[0022] In technical solution seven, the connecting part is integrally formed and has an abutment wall that is parallel to and opposite to the top wall. The abutment wall is formed at the free end of the connecting part and welded to the top wall, so that the connecting part can push upward against the top wall of the support frame when it is under force, making it less prone to breakage.

[0023] In technical solution eight, the connecting parts on the two support frames are symmetrically arranged, so that when the supporting device supports the energy storage cell to form an energy storage module, the entire energy storage module is subjected to more balanced forces.

[0024] In technical solution nine, the lifting component is welded to the side wall, forming a first hanging hole on the side wall and a second hanging hole on the lifting component. Therefore, when the energy storage module is lifted, the first and second hanging holes form a reinforcing structure, preventing deformation of the side wall. In particular, when the roller is damaged, the entire energy storage module can be lifted through the first and second hanging holes by the lifting structure, and the sliding component can be replaced from the bottom of the support frame.

[0025] Technical solution ten has the technical advantages of any one of technical solutions one through nine. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments are briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of an energy storage module according to an embodiment of the present invention;

[0028] Figure 2 This is a bottom view of the sliding support device according to an embodiment of the present invention;

[0029] Figure 3 for Figure 2 Sectional view along the AA direction;

[0030] Figure 4 for Figure 3 An enlarged schematic diagram of part A;

[0031] Figure 5 for Figure 2 Sectional view in the BB direction;

[0032] Figure 6 for Figure 5 An enlarged schematic diagram of part B;

[0033] Figure 7 for Figure 2 Sectional view in the CC direction;

[0034] Figure 8 for Figure 7 An enlarged schematic diagram of part C;

[0035] Figure 9 This is a schematic diagram of the sliding component and the connecting part according to an embodiment of the present invention.

[0036] Explanation of key figure labels:

[0037] Support device 100; base 10; support frame 20; bottom wall 21; opening 211; top wall 22; side wall 23; first hanging hole 231; connecting part 30; abutting wall 31; connecting wall 32; abutting surface 321; second through hole 322; nut 323; first threaded hole 324; mounting base 40; mounting plate 41; top abutting surface 411; first through hole 412; second threaded hole 413; limiting groove 414; connecting shaft 42; roller 50; lifting component 60; second hanging hole 61; battery cell 70. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are preferred embodiments of the present invention and should not be considered as excluding other embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0039] Unless otherwise expressly defined, the use of terms such as "first," "second," or "third" in the claims, description, and accompanying drawings of this invention is for distinguishing different objects and not for describing a specific order.

[0040] Unless otherwise expressly defined, in the claims, description, and accompanying drawings of this invention, the use of directional terms such as "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," and "counterclockwise" to indicate orientation or positional relationships is based on the orientation and positional relationships shown in the accompanying drawings and is only for the convenience of describing the invention and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the specific scope of protection of this invention.

[0041] Unless otherwise expressly defined, the terms "fixed connection" or "fixed connection" used in the claims, description and drawings of this invention should be interpreted broadly to refer to any connection in which there is no displacement or relative rotation relationship between the two parties, including non-removable fixed connection, detachable fixed connection, integral connection and fixed connection by other means or components.

[0042] In the claims, description and accompanying drawings of this invention, the terms "comprising," "having," and variations thereof are used to mean "including but not limited to."

[0043] See Figure 1-9 , Figure 1-9 A sliding support device 100 is shown for an energy storage module; see [link / reference]. Figure 1 In this embodiment, the energy storage module includes two bundles of battery cells 70 arranged along a first direction. Each bundle of battery cells 70 includes N energy storage cells 70 arranged along a second direction perpendicular to the first direction and extending along the first direction. The length direction of the energy storage cells 70 is the first direction, and the width direction of the energy storage cells 70 is the second direction. Figure 1 In this context, the first direction is the front-to-back direction, and the second direction is the left-to-right direction. N is a positive integer greater than 1; in this embodiment, N is 4.

[0044] See Figure 2-9 The base 10 extends along a first direction, and support frames 20 are respectively provided on both sides along a second direction. Each support frame 20 has a bottom wall 21, a top wall 22 opposite to the bottom wall 21, and a side wall 23 connecting the bottom wall 21 and the top wall 22. The bottom wall 21 has at least one opening 211 along the first direction. In this embodiment, the bottom wall 21 of each support has at least two openings 211 along the first direction. Figure 2 The diagram shows four openings 211. The support frame 20 has connecting parts 30 facing the openings 211, which are welded to the side wall 23 and the top wall 22. Figure 6 and Figure 9 In the middle, the connecting part 30 is generally shaped like an inverted "V". The connecting part 30 is integrally formed and has an abutment wall 31 that is parallel and opposite to the top wall 22. The abutment wall 31 is formed at the free end of the connecting part 30 and welded to the top wall 22. The connecting part 30 has a connecting wall 32 that is parallel and opposite to the top wall 22. A gap is formed between the connecting wall 32 and the top wall 22. The lower surface of the connecting wall 32 forms an abutment surface 321, that is, the connecting part 30 has an abutment surface 321 facing the opening 211. The length direction of the connecting wall 32 is the first direction. A second through hole 322 is opened in the middle of the connecting wall 32. Nuts 323 are respectively provided on the upper surface of the connecting wall 32 on both sides of the second through hole 322. A threaded hole corresponding to the nut 323 is opened on the connecting wall 32. The threaded hole communicates with the inner cavity of the nut 323 to form a first threaded hole 324.

[0045] See also Figure 6 and Figure 9 The sliding components and connecting parts 30 are equal in number and correspond one-to-one. Each component includes a mounting base 40 and a roller 50. The roller 50 is rotatably mounted on the mounting base 40 about an axis extending in the second direction. The mounting base 40 is adapted to pass through the opening 211 and be fixedly connected to the connecting part 30 so that the roller 50 is partially located within the support frame 20. The fixed connection can be a detachable fixed connection or a fixed connection method such as riveting or direct welding. When the mounting base 40 and the connecting part 30 are detachably fixed, the mounting base 40 includes a mounting plate 41 and a connecting shaft 42. The upper surface of the mounting plate 41 forms a top abutting surface 411 that abuts against the abutting surface 321. The mounting plate 41 extends along a first direction, and a first through hole 412 suitable for the upper part of the roller 50 to extend out is provided in its middle. The first through hole 412 corresponds to the second through hole 322. The mounting plate 41 has second threaded holes 413 on both sides of the first through hole 412 along the first direction. The second threaded holes 413 correspond to the first threaded holes 324. Therefore, the mounting plate 41 and the connecting wall 32 can be locked by two bolts passing through the second threaded holes 413 and the first threaded holes 324, thereby locking the mounting base 40 and the connecting part 30. Mounting plate 41 has downward-opening limiting grooves 414 on both sides of the first through hole 412 along the second direction; roller 50 is sleeved on connecting shaft 42, which extends along the second direction; both ends of connecting shaft 42 are inserted into the limiting grooves 414 and welded to mounting plate 41.

[0046] In this embodiment, a sliding component is installed on the base 10 of the support device 100, making the support device 100 slidable with low resistance. When the support device 100 supports the energy storage cell 70 to form an energy storage module, the energy storage module is easily pushed on the guide rail of the container, thus facilitating installation and maintenance. The connecting part 30 is located inside the support frame 20, and the mounting seat 40 is detachably fixed to the connecting part 30 through the opening 211 so that the roller 50 is partially located inside the support frame 20. Therefore, only part of the roller 50 is exposed outside the support frame 20, and the other part is located inside the support frame, thereby utilizing the space in the height direction of the support frame 20, so that the support device 100 as a whole still has a relatively small height. Furthermore, the mounting base 40 is provided with a first through hole 412 suitable for the upper part of the roller 50 to extend out, and the connecting wall 32 is provided with a second through hole 322 corresponding to the first through hole 412. On the one hand, the upper part of the roller 50 can pass through the second through hole 322 to pre-position the sliding component during installation, thereby locking the connecting wall 32 and the mounting plate 41. On the other hand, the space inside the support frame 20 (the gap between the connecting wall 32 and the top wall 22) and the space of the mounting base 40 can be further utilized, thereby making the overall height of the sliding component small, and further reducing the height and volume of the support device 100.

[0047] In practical applications, it has been found that when the roller 50 is partially located within the support frame 20, it is extremely difficult to replace if it is damaged. In this embodiment, the mounting base 40 and the connecting part 30 are detachably fixed, allowing the sliding assembly to be disassembled as a whole through the opening 211 of the bottom wall 21 when the roller 50 is damaged, thus facilitating replacement. The cooperation between the top abutment surface 411 and the abutment surface 321 ensures that as long as the height of each connecting part 30 is consistent, the bottom ends of each roller 50 can be basically located on the same plane, avoiding the impact of the tilt of the support device 100 on the energy storage module.

[0048] Figure 9 In the middle, the bottom of the limiting groove 414 is parallel to the first direction and the second direction, that is, the limiting groove 414 is a square groove. Compared with the arc groove, it is cheaper and easier to ensure that the upper ends of each connecting shaft 42 are on the same plane, thereby ensuring that the bottom ends of each roller 50 are on the same plane.

[0049] When the energy storage module is static, the entire module is supported by rollers 50. The force of the rollers 50 is indirectly transmitted upward to the connecting part 30 through the connecting shaft 42 and the mounting plate 41. In this embodiment, the connecting part 30 is welded to the side wall 23 and the top wall 22, making the entire connecting part 30 welded to both the side wall 23 and the top wall 22, resulting in a more stable structure that is less prone to breakage. The connecting part 30 is integrally formed and has an abutment wall 31 parallel to and opposite to the top wall 22. The abutment wall 31 is formed at the free end of the connecting part 30 and welded to the top wall 22, allowing the connecting part 30 to push upward against the top wall 22 of the support frame 20 when under force, making it less prone to breakage. In this embodiment, the connecting parts 30 on the two support frames 20 are symmetrically arranged, making the force on the entire energy storage module more balanced when the supporting device 100 supports the energy storage cell 70.

[0050] A plurality of first hanging holes 231 are arranged on the side wall 23 along the first direction. The number of lifting components 60 is equal to the number of first hanging holes 231 and corresponds one-to-one. The lifting components 60 are welded to the inner surface of the side wall 23 and are provided with second hanging holes 61 corresponding to the first hanging holes 231. Therefore, when the energy storage module is hoisted, the first hanging holes 231 and the second hanging holes 61 form a reinforcing structure to prevent the side wall 23 from deforming. In particular, when the roller 50 is damaged, the entire energy storage module can be hoisted through the first hanging holes 231 and the second hanging holes 61 by the hoisting structure, and the sliding component can be replaced from the bottom of the support frame 20.

[0051] This embodiment also provides an energy storage module, see [link]. Figure 1 It adopts the support device 100 in Embodiment 1 and has the same advantages as Embodiment 1.

[0052] It should be understood that in practical applications, energy storage modules also include electrical components such as outer casing, battery cell assembly, copper busbars, terminals, fuse switches, and sensors. The support device 100 is fixedly connected to the outer casing to form a housing that can accommodate the battery cell assembly. The battery cell assemblies can be connected in series through copper busbars and then electrically connected to external devices through terminals. This part belongs to existing technology and will not be described in detail here.

[0053] The foregoing description of the specifications and embodiments is intended to explain the scope of protection of this invention, but does not constitute a limitation on the scope of protection of this invention. Modifications, equivalent substitutions, or other improvements to the embodiments of this invention or a portion thereof that can be obtained by those skilled in the art through logical analysis, reasoning, or limited experimentation, based on the teachings of this invention or the foregoing embodiments, in conjunction with common knowledge, general technical knowledge, and / or existing technology, should all be included within the scope of protection of this invention.

Claims

1. A sliding support device (100) for supporting an energy storage cell (70), characterized in that, The system includes a base (10) extending along a first direction, with support frames (20) on both sides along a second direction perpendicular to the first direction. Each support frame (20) has a bottom wall (21) with at least one opening (211) along the first direction. A connecting portion (30) facing the opening (211) is provided within the support frame (20). A sliding assembly, equal in number and corresponding to the connecting portions (30), includes a mounting base (40) and rollers (50). The rollers (50) are rotatably mounted on the mounting base (40) about an axis extending along the second direction. The mounting base (40) is adapted to... The roller (50) is fixed to the connecting part (30) through the opening (211) so that part of the roller (50) is located inside the support frame (20); the support frame (20) is provided with a top wall (22) opposite to the bottom wall (21), the connecting part (30) is provided with a connecting wall (32) parallel to and opposite to the top wall (22), and a gap is formed between the connecting wall (32) and the top wall (22); the mounting base (40) is provided with a first through hole (412) suitable for the upper part of the roller (50) to extend out, and the connecting wall (32) is provided with a second through hole (322) corresponding to the first through hole (412) for the upper part of the roller (50) to extend out.

2. The sliding support device (100) as described in claim 1, characterized in that, The lower surface of the connecting wall (32) forms an abutment surface (321), and the mounting base (40) is provided with a top abutment surface (411) that abuts against the abutment surface (321). The upper surface of the connecting wall (32) is provided with nuts (323) protruding upward on both sides of the second through hole (322). The connecting wall (32) is provided with a threaded hole corresponding to the nut (323). The threaded hole communicates with the inner cavity of the nut (323) to form a first threaded hole (324). The mounting base (40) is adapted to be locked with the connecting part (30) by screws corresponding to the nut (323) and the threaded hole.

3. The sliding support device (100) as described in claim 2, characterized in that, The mounting base (40) includes a mounting plate (41) and a connecting shaft (42). The mounting plate (41) is adapted to be locked with the connecting wall (32). The upper surface of the mounting plate (41) forms the top abutment surface (411). The first through hole (412) is formed on the mounting plate (41). The mounting plate (41) has downward-opening limiting grooves (414) on both sides of the first through hole (412) along the second direction. The connecting shaft (42) extends along the second direction. The roller (50) is sleeved on the connecting shaft (42). The two ends of the connecting shaft (42) are inserted into the limiting grooves (414) and welded to the mounting plate (41).

4. The sliding support device (100) as described in claim 3, characterized in that, The bottom of the limiting groove (414) is parallel to the first direction and the second direction.

5. A sliding support device (100) as described in any one of claims 2-4, characterized in that, The support frame (20) is also provided with a side wall (23) connecting the bottom wall (21) and the top wall (22), and the connecting part (30) is welded to the side wall (23) and the top wall (22).

6. A sliding support device (100) as described in claim 5, characterized in that, The connecting part (30) is integrally formed and has an abutting wall (31) that is parallel to and opposite to the top wall (22). The abutting wall (31) is formed at the free end of the connecting part (30) and welded to the top wall (22).

7. A sliding support device (100) as described in claim 1, characterized in that, The connecting parts (30) on the two support frames (20) are symmetrically arranged.

8. A sliding support device (100) as described in claim 5, characterized in that, It also includes a hoisting component (60); a plurality of first hanging holes (231) are arranged on the side wall (23) along the first direction, the number of the hoisting components (60) is equal to the number of the first hanging holes (231) and they correspond one to one, the hoisting components (60) are welded to the inner surface of the side wall (23) and are provided with second hanging holes (61) corresponding to the first hanging holes (231).

9. An energy storage module, characterized in that, It employs the slidable support device (100) as described in any one of claims 1-8.

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