Battery fixing device for liquid cooling energy storage container

By installing a sliding base rod and guide belt inside the through hole of the column, combined with the design of extension rod and insertion rod, the guiding problem of the liquid-cooled energy storage container battery fixing device during installation is solved. Stable support is achieved through the combination structure of airbag column and airbag block, which improves the installation efficiency of battery pack and the service life of rollers.

CN121906071APending Publication Date: 2026-04-21PENGHUILIHE (TIANJIN) ENERGY TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
PENGHUILIHE (TIANJIN) ENERGY TECHNOLOGY CO LTD
Filing Date
2025-12-31
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

Existing liquid-cooled energy storage container battery fixing devices lack effective guiding structures during battery pack installation, which increases installation difficulty and poses a risk of damaging the battery pack. The roller supports are not stable enough, are prone to damage after long-term use, and are inconvenient to replace.

Method used

The system employs a sliding base rod and a retractable guide belt installed within the through hole of the column, combined with the design of extension rods and insertion rods. The guide belt unfolds and guides the battery pack during installation. The rollers adopt a combination structure of inner and outer rings. The support body is composed of airbag columns and airbag blocks. An air pump controls the inflation and deflation of the support body to achieve stable support.

Benefits of technology

It improves the installation efficiency and stability of the battery pack, reduces the risk of damage to the battery pack during installation, extends the service life of the rollers, and simplifies the disassembly and installation process of the rollers.

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Abstract

The invention relates to the technical field of energy storage equipment, in particular to a liquid cooling energy storage container battery fixing device which comprises a stand column, a bearing plate is arranged on the stand column, a roller shaft and a roller are arranged on the bearing plate, a through hole is formed in the position, close to the bearing plate, of the stand column, and a storable guide piece is arranged in the through hole. The guide piece comprises a bottom rod capable of sliding in the through hole, a guide belt capable of being stored is arranged on the bottom rod, and after the guide belt moves out of the through hole, the guide belt unfolds and guides the battery pack to be placed on the bearing plate; the roller comprises an inner ring rotating around a roller shaft, the inner ring is covered with an outer ring, a plurality of through holes are formed in the outer ring in an array mode, the through holes in adjacent rows are formed in a staggered mode, and a supporting body which can penetrate through the through holes after extending and cover the surface of the outer ring is arranged on the inner ring. The installation efficiency and stability of the energy storage container battery pack can be improved.
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Description

Technical Field

[0001] This application relates to the field of energy storage equipment technology, and in particular to a liquid-cooled energy storage container battery fixing device. Background Technology

[0002] With the rapid development of the new energy industry, energy storage containers, as a highly efficient and flexible energy storage solution, are widely used in new energy power generation scenarios such as photovoltaic and wind power. Among them, liquid-cooled energy storage containers, with their excellent heat dissipation performance, can effectively ensure the temperature stability of battery packs under high-power operation, further improving the reliability and service life of energy storage systems.

[0003] As the core energy storage component of liquid-cooled energy storage containers, the stability of the battery pack's installation and fixation directly affects the operational safety of the entire energy storage system. Currently, battery fixing devices inside liquid-cooled energy storage containers typically include columns and support plates, with the support plates providing structural support for the battery pack. To facilitate the installation and removal of the battery pack, some devices incorporate rollers and wheels on the support plates, utilizing the rolling motion of the rollers to reduce friction during battery pack movement.

[0004] However, existing technologies present several problems during battery pack removal and installation. When pushing the battery pack in, the lack of an effective guiding structure necessitates careful placement of the battery pack on the support plate by workers to prevent misalignment, which could lead to installation jamming. Given the weight of the battery pack, this undoubtedly increases the difficulty of installation and carries the risk of damage. Furthermore, the rollers offer insufficient support stability; traditional rollers are mostly rigid structures, which are prone to damage over time and inconvenient to replace. Summary of the Invention

[0005] To improve the installation efficiency and stability of energy storage container battery packs, this application provides a liquid-cooled energy storage container battery fixing device.

[0006] The liquid-cooled energy storage container battery fixing device provided in this application adopts the following technical solution: it includes a column, a support plate on the column, a roller and a wheel on the support plate, a through hole near the support plate on the column, a retractable guide plate inside the through hole, the guide plate including a bottom rod that can slide within the through hole, and a retractable guide belt on the bottom rod. When the guide belt moves out of the through hole, the guide belt will unfold and guide the battery pack to be placed on the support plate; the roller includes an inner ring that rotates around the roller shaft, and an outer ring covering the inner ring. The outer ring has multiple through holes arranged in an array, with adjacent rows of through holes staggered. The inner ring has a support body that extends to pass through the through holes and covers the surface of the outer ring. When the support body extends into a "T" shape, the multiple supports will wrap around the outer ring and rotate with the movement of the battery pack.

[0007] Optionally, the guide belt includes a bottom block disposed at one end of the bottom rod near the door, the bottom block being hinged to an extension rod via a torsion spring, the extension rod being hinged to an extension rod, the extension rod having a groove for placing the extension rod, a connecting belt being disposed between the extension rod and the extension rod, a connecting post being disposed on one side of the connecting belt, one end of the connecting post being located in the groove and hinged to the extension rod.

[0008] Optionally, an insert rod is slidably connected to the extension rod, and a slot is provided on the base rod. When the insert rod is inserted into the slot, the extension rod will be positioned along the direction of the base rod.

[0009] Optionally, both the base rod and the extension rod are provided with iron blocks, and a magnet that works in conjunction with the iron blocks is provided on the column at the position of the through hole.

[0010] Optionally, the outer ring includes two identical semi-rings, each semi-ring having a support post. The support posts are multiple and evenly spaced along the arc direction of the semi-rings, and the inner ring has a support groove that cooperates with the support posts.

[0011] Optionally, the support body includes an air ring covering the inner ring, the air ring being connected to an airbag column, there being multiple airbag columns and each corresponding to a through hole, and the two sides of the end of the airbag column located outside the outer ring being connected to an airbag block.

[0012] Optionally, it also includes an air pump, the roller is a hollow structure, and an air pipe is provided in the middle of the roller to connect the air ring and the air pump. A switch is provided on the air pipe.

[0013] Optionally, elastic nets are provided on the two opposite sides of the airbag blocks. When the airbag column is inflated, the two airbag blocks will be inflated after the airbag column is fully inflated due to the action of the elastic nets. A rubber pad is provided at the ends of the two airbag blocks that are far apart from each other, and an elastic rope is provided between the two rubber pads.

[0014] In summary, this application includes the following beneficial technical effects: 1. By installing a sliding base rod and a retractable guide belt inside the through hole of the column, the guide belt can be extended after moving out of the through hole during battery pack installation, effectively guiding the battery pack. When not in use, the guide belt can be retracted into the through hole along with the base rod, without occupying internal container space. The extension rod and extension bar at the end of the base rod can expand the guiding range through a torsion spring hinge. The groove in the extension rod can accommodate the extension bar. The connecting strip is used to contact the battery pack, and the connecting rod is designed to support the connecting strip. 2. The insert on the extension rod engages with the slot on the base rod to fix the extension rod along the direction of the base rod for easy storage; the iron blocks on the base rod and the extension rod engage with the magnet at the through hole of the column to position the guide plate after storage and prevent the guide plate from sliding out of the through hole; 3. The roller adopts an inner ring and outer ring combination structure. The outer ring is composed of two identical half rings. The support column on the half ring cooperates with the support groove on the inner ring, which facilitates the installation and disassembly of the outer ring. The support body connected on the inner ring forms a "T" structure after being inflated. Multiple support bodies wrap around the outer ring to support the movement of the battery pack. The support body adopts a combination structure of air ring, air bladder column and air bladder block. By controlling the inflation of the air pump, the battery pack is supported by the bearing plate under normal conditions, which reduces the long-term compression of the roller and extends the roller life. The air pipe in the hollow roller shaft realizes the connection between the air ring and the air pump. The switch on the air pipe facilitates the control of inflation and deflation of the support body. 4. The elastic mesh on both sides of the airbag block allows the airbag column to be filled with air first before inflating the airbag block. When deflating, the gas in the airbag block will be released first, making it easier to store the support. The elastic rope between the rubber pads at both ends of the airbag block can limit the expansion range of the airbag block and prevent the airbag block from over-expanding and causing structural instability. Attached Figure Description

[0015] Figure 1 This is a structural diagram of the liquid-cooled energy storage container battery fixing device of this application; Figure 2 This application relates to the structure of the liquid-cooled energy storage container battery fixing device. Figure 1 Enlarged view at point A; Figure 3 This is a top view of the guide belt for the liquid-cooled energy storage container battery fixing device in this application; Figure 4 This is a structural diagram of the support plate of the liquid-cooled energy storage container battery fixing device in this application; Figure 5 This application relates to the bearing plate structure of the liquid-cooled energy storage container battery fixing device. Figure 4 Enlarged view at point B; Figure 6 This application relates to the bearing plate structure of the liquid-cooled energy storage container battery fixing device. Figure 4 Enlarged view at point C; Figure 7 This is a structural diagram of the rollers for the liquid-cooled energy storage container battery fixing device of this application; Figure 8 This application relates to the roller structure for the liquid-cooled energy storage container battery fixing device. Figure 7 Enlarged view at point D; Figure 9 This is a structural diagram of the outer ring of the liquid-cooled energy storage container battery fixing device of this application.

[0016] Attached reference numerals: 1. Column, 2. Bearing plate, 3. Roller shaft, 4. Through hole, 5. Base rod, 6. Roller, 7. Inner ring, 8. Outer ring, 9. Through hole, 10. Base block, 11. Extension rod, 12. Extension rod, 13. Connecting belt, 14. Connecting column, 15. Insert rod, 16. Slot, 17. Iron block, 18. Support column, 19. Air ring, 20. Airbag column, 21. Airbag block, 22. Air tube, 23. Elastic net, 24. Rubber pad, 25. Elastic rope, 26. Guide belt. Detailed Implementation

[0017] The following is in conjunction with the appendix Figure 1-9 This application will be described in further detail.

[0018] This application discloses a battery fixing device for a liquid-cooled energy storage container. For example... Figure 1-6As shown, the container includes a column 1, a support plate 2 mounted on the column 1, and rollers 3 and 6 mounted on the support plate 2. This is prior art. A through hole 4 is provided on the column 1 near the support plate 2. A retractable guide plate is installed within the through hole 4. The guide plate includes a base rod 5 that can slide within the through hole 4. A retractable guide belt 26 is provided on the base rod 5. When the guide belt 26 moves out of the through hole 4, it unfolds and guides the battery pack onto the support plate 2. The guide belt 26 includes a base block 10 located at one end of the base rod 5 near the container door. The base block 10 is integral with the base rod 5. The base rods 5 located at both ends of the container have one base block 10, while the base rods 5 located in the middle section of the container have two base blocks 10. The base block 10 is hinged to an extension rod 11 via a torsion spring. An extension rod 12 is hinged to one end of the extension rod 11 near the base block 10. A groove for holding the extension rod 12 is provided inside the extension rod 11. A connecting strip 13 is provided between the extension rod 12 and the extension rod 11. A connecting post 14 is glued to one side of the connecting strip 13. One end of the connecting post 14 is located in the groove and hinged to the extension rod 11. When the connecting strip 13 is being stored, the connecting rod can drive the connecting strip 13 into the groove, preventing part of the connecting strip 13 from remaining outside the groove. The roller 6 includes an inner ring 7 that rotates around the roller shaft 3. An outer ring 8 covers the inner ring 7. The outer ring 8 has multiple through holes 9 extending through its thickness direction, arranged in an array, with adjacent rows of through holes 9 staggered. The inner ring 7 is provided with a support body that extends to pass through the through hole 9 and covers the surface of the outer ring 8. When the support body extends into a "T" shape, multiple supports will wrap around the outer ring 8 and rotate with the movement of the battery pack. The support body includes an air ring 19 covering the inner ring 7. The air ring 19 is a circular airbag and is in the prior art. The air ring 19 is bonded to the inner ring 7. The air ring 19 is connected to an airbag column 20. There are multiple airbag columns 20, each corresponding to the through hole 9. The two sides of the end of the airbag column 20 located outside the outer ring 8 are connected to airbag blocks 21. The airbag columns 20 and airbag blocks 21 are in the prior art. It also includes an air pump with a pressure switch. The roller 3 is a hollow structure. An air pipe 22 for connecting the air ring 19 and the air pump is provided in the middle of the roller 3. The air pipe 22 and the air ring 19 are connected by a rotating air pipe 22 connector. The air pump and the rotating air pipe 22 connector are in the prior art. A switch is provided on the air pipe 22.

[0019] In one embodiment, according to the appendix Figure 3 As shown, an insert rod 15 is slidably connected to the extension rod 11, and a slot 16 for use with the insert rod 15 is provided on the base rod 5. When the insert rod 15 is inserted into the slot 16, the extension rod 11 will be positioned along the direction of the base rod 5. Both the base rod 5 and the extension rod 11 are provided with recessed grooves, and an iron block 17 is glued into the recessed grooves. A slot is provided on the column 1 at the position of the through hole 4, and a magnet for use with the iron block 17 is glued into the slot.

[0020] In one embodiment, according to the appendix Figures 5 to 9 As shown, the outer ring 8 includes two identical semi-rings fixed by bolts. Supports 18 are provided on the semi-rings, located at both ends. Multiple supports 18 are evenly spaced along the arc of the semi-rings. The inner ring 7 has support grooves that cooperate with the supports 18. Elastic mesh 23 is glued to the two opposite sides of the airbag blocks 21. Under normal conditions, the airbag blocks 21 are in a retracted state under the action of the elastic mesh 23. When the airbag column 20 is inflated, the two airbag blocks 21 will inflate after the airbag column 20 is fully inflated due to the action of the elastic mesh 23. Rubber pads 24 are glued to the ends of the two airbag blocks 21 that are far apart from each other. An elastic rope 25 is provided between the two rubber pads 24 to facilitate retraction of the support when it is not inflated.

[0021] The implementation principle of the liquid-cooled energy storage container battery fixing device in this application embodiment is as follows: Before installing the battery pack, the bottom rod 5 is first pulled out from the through hole 4 of the column 1, and the extension rod 12 is pressed to prevent the extension rod 12 from moving out of the groove. The insertion rod 15 is pulled out from the slot 16, and the extension rod 11 rotates under the action of the torsion spring. Then the extension rod 12 is released, and the extension rod 12 drives the connecting belt 13 and the connecting column 14 to move out of the groove under the action of the torsion spring, forming the guide belt 26. The pressure switch on the air pump and the switch on the air pipe 22 are turned on. The air pump inflates the air ring 19 through the air pipe 22. The gas enters each air bladder column 20 from the air ring 19, and the air bladder column 20 gradually expands until it is full of gas. As inflation continues, gas enters the airbag block 21, which slowly expands under the constraint of the elastic net 23. When the pressure reaches a certain level, the air pump stops supplying air. During the movement of the battery pack, the roller 6 supports the battery pack. After the battery pack is installed and fixed, the air pump releases air, the roller 6 shrinks, and the battery pack is supported by the support plate 2.

[0022] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A liquid-cooled energy storage container battery fixing device, comprising a column (1), a bearing plate (2) provided on the column (1), and a roller (3) and a roller (6) provided on the bearing plate (2), characterized in that: A through hole (4) is provided near the support plate (2) of the column (1). A retractable guide plate is provided in the through hole (4). The guide plate includes a bottom rod (5) that can slide in the through hole (4). A retractable guide belt (26) is provided on the bottom rod (5). When the guide belt (26) moves out of the through hole (4), the guide belt (26) will unfold and guide the battery pack to be placed on the support plate (2). The roller (6) includes an inner ring (7) that rotates around the roller shaft (3). An outer ring (8) is provided on the inner ring (7). A through hole (9) is provided on the outer ring (8). There are multiple through holes (9) arranged in an array. The through holes (9) in adjacent rows are staggered. A support body is provided on the inner ring (7) that can extend through the through hole (9) and cover the surface of the outer ring (8). When the support body extends into a "T" shaped structure, multiple supports will wrap around the outer ring (8) and rotate with the movement of the battery pack.

2. The liquid-cooled energy storage container battery fixing device according to claim 1, characterized in that... The guide belt (26) includes a bottom block (10) provided near one end of the bottom rod (5) near the door. The bottom block (10) is hinged to an extension rod (11) by a torsion spring. The extension rod (11) is hinged to an extension rod (12). The extension rod (11) has a groove for placing the extension rod (12). A connecting belt (13) is provided between the extension rod (12) and the extension rod (11). A connecting post (14) is provided on one side of the connecting belt (13). One end of the connecting post (14) is located in the groove and is hinged to the extension rod (11).

3. The liquid-cooled energy storage container battery fixing device according to claim 2, characterized in that... The extension rod (11) is slidably connected to the insertion rod (15), and the bottom rod (5) is provided with a slot (16). When the insertion rod (15) is inserted into the slot (16), the extension rod (11) will be set along the direction of the bottom rod (5).

4. The liquid-cooled energy storage container battery fixing device according to claim 2, characterized in that... Iron blocks (17) are provided on both the base rod (5) and the extension rod (11), and a magnet that works with the iron blocks (17) is provided on the column (1) at the position of the through hole (4).

5. The liquid-cooled energy storage container battery fixing device according to claim 1, characterized in that... The outer ring (8) includes two semi-rings with the same structure. Each semi-ring is provided with a support column (18). There are multiple support columns (18) and they are evenly spaced along the arc direction of the semi-ring. The inner ring (7) is provided with a support groove that works in conjunction with the support column (18).

6. The liquid-cooled energy storage container battery fixing device according to claim 1, characterized in that... The support body includes an air ring (19) covering the inner ring (7), the air ring (19) is connected to an airbag column (20), there are multiple airbag columns (20) and they are arranged in a corresponding manner with the through hole (9), and the two sides of the end of the airbag column (20) located outside the outer ring (8) are connected to airbag blocks (21).

7. The liquid-cooled energy storage container battery fixing device according to claim 6, characterized in that... It also includes an air pump. The roller (3) is a hollow structure. An air pipe (22) for connecting the air ring (19) and the air pump is provided in the middle of the roller (3). A switch is provided on the air pipe (22).

8. The liquid-cooled energy storage container battery fixing device according to claim 6, characterized in that... Elastic nets (23) are provided on the two opposite sides of the airbag block (21). When the airbag column (20) is inflated, the two airbag blocks (21) will be inflated after the airbag column (20) is fully inflated due to the action of the elastic nets (23). Rubber pads (24) are provided at the ends of the two airbag blocks (21) that are far apart from each other, and elastic ropes (25) are provided between the two rubber pads (24).