Bearing device for high-temperature aging test of lithium battery

Abstract

The utility model relates to a bearing device for a lithium battery high temperature aging test, which comprises a base station, a plurality of bearing tables and a top table, the base station, the plurality of bearing tables and the top table are sequentially connected from bottom to top through connecting arms, the connecting arms are positioned at two ends of the base station and the bearing tables, and protective covers are mounted on the bottom sides of the bearing tables and the top table in a sliding manner. A spray head is mounted in the protective cover; when a high-temperature aging test is carried out, lifting of the protective cover is achieved through the motor, the protective cover can be conveniently matched with a base table or a bearing table, a lithium battery on fire or smoke is sealed, meanwhile, water in the water barrel is sprayed out of the spray head through the water pipe, the flow divider valve and the connecting hose through work of the water pump, and temporary emergency fire extinguishing is started. The dangerous case occurring in the high-temperature aging test is effectively solved, and the safety of the test is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery processing, in particular to a bearing device for high-temperature aging test of lithium batteries. Background Art

[0002] Aging is an essential process in the battery production process. Electric vehicle lithium batteries need to undergo high-temperature aging tests before use. After the battery assembly and liquid injection are completed, it is charged and formed multiple times and then placed in a high-temperature aging cabinet.

[0003] When a lithium battery is undergoing a high-temperature aging test on a bearing device, once there are quality problems with the lithium battery, it is prone to catch fire, emit smoke, etc. during the test, and timely treatment is required, otherwise it will pose a huge safety hazard. Summary of the Utility Model

[0004] The problem solved by the utility model is to provide a bearing device for high-temperature aging test of lithium batteries, which solves the technical problem that when a lithium battery is undergoing a high-temperature aging test on a bearing device, once there are quality problems with the lithium battery, it is prone to catch fire, emit smoke, etc. during the test, and timely treatment is required, otherwise it will pose a huge safety hazard.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A bearing device for high-temperature aging test of lithium batteries includes a base, a bearing platform and a top platform. The base, several bearing platforms and the top platform are sequentially connected from bottom to top through connecting arms, and the connecting arms are located at both ends of the base and the bearing platform. A protective cover is slidably installed on the bottom sides of the bearing platform and the top platform, and a spray head is installed inside the protective cover.

[0007] Preferably, cover grooves adapted to the protective cover are provided on the top sides of the base and the bearing platform.

[0008] Preferably, a water cylinder is installed on the top side of the top platform, a water pump is connected and installed on the side wall of the water cylinder, and the water pump is connected to a water pipe.

[0009] Preferably, several flow control valves are installed on the water pipe, and the flow control valves are connected to the spray head through connecting hoses.

[0010] Preferably, a guide rail is installed on one of the connecting arms, an adjustment groove is provided on the side wall of the other connecting arm, and a threaded rod is installed in the adjustment groove. The protective cover is slidably installed on the guide rail and is threadedly connected to the threaded rod.

[0011] Preferably, a motor is installed inside the bearing platform and the top platform, and the output end of the motor is connected to the threaded rod.

[0012] The beneficial effects of the present utility model are as follows: During the high-temperature aging test, the lifting of the protective cover is realized by a motor, which facilitates the cooperation with the base or the carrying platform to seal the lithium battery that catches fire or emits smoke. At the same time, when the water pump works, the water in the water barrel is sprayed out from the nozzle through the water pipe, the flow dividing valve and the connecting hose, and the temporary emergency fire extinguishing is started to limitedly solve the danger that occurs during the high-temperature aging test and ensure the safety of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the first overall structural schematic diagram of the present utility model;

[0014] Figure 2 It is the second overall structural schematic diagram of the present utility model;

[0015] Figure 3 It is the front view of the present utility model.

[0016] LEGEND DESCRIPTION:

[0017] 1. Base; 2. Carrying platform; 3. Top platform; 4. Connecting arm; 5. Protective cover; 6. Nozzle; 7. Water barrel; 8. Water pump; 9. Water pipe; 10. Flow dividing valve; 11. Connecting hose; 12. Guide rail; 13. Adjusting groove; 14. Threaded rod; 15. Motor. DETAILED IMPLEMENTATION MANNER

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] The following gives specific embodiments.

[0020] See Figures 1 to 3, A loading device for high-temperature aging test of lithium batteries, including a base 1, a loading platform 2 and a top platform 3. The base 1, several loading platforms 2 and the top platform 3 are sequentially connected from bottom to top by connecting arms 4, and the connecting arms 4 are located at both ends of the base 1 and the loading platform 2. Cover grooves adapted to the protective cover 5 are provided on the top sides of the base 1 and the loading platform 2. The protective cover 5 is slidably installed on the bottom sides of the loading platform 2 and the top platform 3. A guide rail 12 is installed on one of the connecting arms 4, and an adjustment groove 13 is provided on the side wall of the other connecting arm 4, and a threaded rod 14 is installed in the adjustment groove 13. The protective cover 5 is slidably installed with the guide rail 12 and is threadedly connected with the threaded rod 14. Motors 15 are installed in the loading platform 2 and the top platform 3, and the output ends of the motors 15 are connected to the threaded rod 14. When the motors 15 work, they drive the threaded rod 14 to rotate, thereby driving the protective cover 5 threadedly connected with the threaded rod 14 to lift along the guide rail 12;

[0021] A spray head 6 is installed inside the protective cover 5, a water cylinder 7 is installed on the top side of the top platform 3, a water pump 8 is connected and installed on the side wall of the water cylinder 7, the water pump 8 is connected to a water pipe 9, several flow control valves 10 are installed on the water pipe 9, and the flow control valves 10 are communicated with the spray head 6 through connecting hoses 11. When the water pump 8 works, the water in the water cylinder 7 is sprayed out from the spray head 6 through the water pipe 9, the flow control valves 10 and the connecting hoses 11 to start temporary emergency fire extinguishing, and the corresponding spray head 6 is communicated and sprayed through the flow control valve 10.

[0022] The lithium battery is placed on the base 1 and the loading platform 2 for high-temperature aging test. When the lithium battery catches fire or emits smoke, at this time, the motor 15 works to drive the threaded rod 14 to rotate, thereby driving the protective cover 5 threadedly connected with the threaded rod 14 to move down along the guide rail 12. The protective cover 5 covers the base 1 or the loading platform 2 to isolate the lithium battery. At the same time, the water pump 8 works, and the water in the water cylinder 7 is sprayed out from the spray head 6 through the water pipe 9, the flow control valves 10 and the connecting hoses 11 to start temporary emergency fire extinguishing.

[0023] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A bearing device for high-temperature aging test of lithium batteries, characterized in that, It includes a base (1), a bearing platform (2) and a top platform (3). The base (1), several bearing platforms (2) and the top platform (3) are sequentially connected from bottom to top through connecting arms (4), and the connecting arms (4) are located at both ends of the base (1) and the bearing platform (2). A protective cover (5) is slidably installed on the bottom sides of the bearing platform (2) and the top platform (3), and a spray head (6) is installed inside the protective cover (5).

2. The carrying device for high-temperature aging test of lithium batteries according to claim 1, wherein Cover grooves adapted to the protective cover (5) are formed on the top sides of the base (1) and the bearing platform (2).

3. The load-bearing device for high-temperature aging test of lithium batteries according to claim 2, characterized in that, A water cylinder (7) is installed on the top side of the top platform (3), a water pump (8) is connected and installed on the side wall of the water cylinder (7), and the water pump (8) is connected to a water pipe (9).

4. The loading device for high-temperature aging test of a lithium battery according to claim 3, characterized in that, Several flow dividing valves (10) are installed on the water pipe (9), and the flow dividing valves (10) are communicated with the spray head (6) through connecting hoses (11).

5. The bearing device for high-temperature aging test of a lithium battery according to claim 4, characterized in that, A guide rail (12) is installed on one of the connecting arms (4), an adjustment groove (13) is formed on the side wall of the other connecting arm (4), a threaded rod (14) is installed in the adjustment groove (13), the protective cover (5) is slidably installed on the guide rail (12), and the protective cover (5) is threadedly connected to the threaded rod (14).

6. The carrier device for high-temperature aging test of lithium batteries according to claim 5, wherein, A motor (15) is installed inside the bearing platform (2) and the top platform (3), and the output end of the motor (15) is connected to the threaded rod (14).

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