Cascade lithium battery test fixture

Abstract

The embodiment of the utility model belongs to the technical field of clamps. The utility model also relates to an echelon lithium battery test fixture which comprises a carrying platform, the carrying platform is provided with an opening, the top of the carrying platform is provided with an L-shaped positioning block, two sides of the L-shaped positioning block are fixedly provided with guide rails, the two guide rails are perpendicular to each other, the outer surfaces of the two guide rails are connected with sliding seats in a sliding manner, and the sliding seats are arranged on the carrying platform. A fastener is arranged on the sliding seat, an air cylinder is arranged below the carrying table, a piston rod of the air cylinder is connected with a clamping plate, and the top end of the clamping plate penetrates through the opening and extends to the position above the carrying table. According to the clamp, the L-shaped positioning block is arranged, and the L-shaped positioning block is matched with the movable sliding seat, so that the clamp can be flexibly adjusted to adapt to echelon lithium batteries with different sizes, and the application range of the clamp is greatly widened; and after the battery is positioned by the L-shaped positioning block and the sliding seat, the air cylinder drives the clamping plate to clamp and fix the battery.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, more specifically, relate to a ladder lithium battery test fixture. BACKGROUND

[0002] Under the background of the rapid development of new energy industry, the ladder lithium battery as an efficient, environmental protection energy storage scheme has been widely concerned and applied, the ladder lithium battery, namely, from the electric vehicle, energy storage system and other retired, after detection, reapplication in other fields of battery, its performance evaluation and safety test are very important;

[0003] The traditional battery test fixture is often designed to be single, and it is difficult to adapt to the diversified size specifications of the ladder lithium battery, resulting in unstable clamping. Therefore, we improve it and propose a ladder lithium battery test fixture. SUMMARY

[0004] The utility model discloses an embodiment to solve the technical problem that the fixture is difficult to adapt to the diversified size specifications of the ladder lithium battery, resulting in unstable clamping.

[0005] In order to solve the above technical problem, the utility model adopts the technical scheme as follows:

[0006] A ladder lithium battery test fixture, comprising: a loading platform, the loading platform is provided with an open top, the top of the loading platform is provided with an L-shaped positioning block, the two sides of the L-shaped positioning block are fixedly provided with guide rails, the two guide rails are perpendicular to each other, the outer surfaces of the two guide rails are slidably connected with sliding seats, the sliding seats are provided with fasteners, the bottom of the loading platform is provided with a pneumatic cylinder, the piston rod of the pneumatic cylinder is connected with a clamping plate, the top end of the clamping plate extends to the upper side of the loading platform through the open top.

[0007] As an improved way of the utility model, the side surfaces of the clamping plate, the sliding seat and the L-shaped positioning block are connected with gaskets.

[0008] As an improved way of the utility model, the top of the loading platform is embedded with a plurality of ball bearings.

[0009] As an improved way of the utility model, the fastener is a hand screw bolt, the hand screw bolt is threadedly connected to the sliding seat, and the bottom end of the hand screw bolt penetrates into the sliding seat and contacts the top of the guide rail.

[0010] As an improved way of the utility model, the bottom of the loading platform is fixedly provided with a bottom frame, and the bottom frame is used for supporting the loading platform.

[0011] As an improved mode of the utility model, the support frame is internally fixedly installed with a support rod, and the outer surface of the support rod is connected with the other connecting block.

[0012] As an improved mode of the utility model, the support frame is internally fixedly installed with a support rod, and the outer surface of the support rod is connected with the other connecting block.

[0013] As an improved mode of the utility model, the support frame is internally fixedly installed with a support rod, and the outer surface of the support rod is connected with the other connecting block.

[0014] As an improved mode of the utility model, the support frame is internally fixedly installed with a support rod, and the outer surface of the support rod is connected with the other connecting block.

[0015] As an improved mode of the utility model, the support frame is internally fixedly installed with a support rod, and the outer surface of the support rod is connected with the other connecting block.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] To solve the problem that the clamp is difficult to adapt to the diversified size specifications of the ladder lithium battery in the prior art, leading to unstable clamping, the L-shaped positioning block is arranged, the movable sliding seat is matched with the L-shaped positioning block, different sizes of ladder lithium batteries can be flexibly adjusted, the application range of the clamp is greatly widened, and the L-shaped positioning block and the sliding seat are used for positioning the battery. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure schematic view of the ladder lithium battery test fixture is provided for the application;

[0019] Figure 2 The structure schematic view of the ladder lithium battery test fixture is provided for the application;

[0020] Figure 3 The structure schematic view of the support frame of the ladder lithium battery test fixture is provided for the application;

[0021] Figure 4 The structure schematic view of the support frame of the ladder lithium battery test fixture is provided for the application; Figure 3 The structure schematic view of the support frame of the ladder lithium battery test fixture is provided for the application;

[0022] Indications in the drawing:

[0023] 1, platform; 101, open; 102, L-shaped positioning block; 103, guide rail; 104, sliding seat; 105, hand bolt; 106, chassis; 107, ball; 2, cylinder; 201, clamp plate; 202, support frame; 203, connecting block; 204, first hand screw rod; 205, support rod; 3, gasket; 4, sliding groove; 401, sliding block; 402, second hand screw rod. DETAILED DESCRIPTION

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "application" and "application" mean any of the specific embodiments described herein that can include the particular features described in connection with that embodiment. This phrase is not intended to refer to the same embodiment repeatedly, unless otherwise indicated. It will be explicitly understood by one of ordinary skill in the art that the embodiments described herein can be combined with other embodiments.

[0025] As described in the background, the conventional battery test fixture is often designed to be single, which is difficult to adapt to the diversified size specifications of the lithium battery, resulting in unstable clamping.

[0026] In order to solve this technical problem, the utility model provides a lithium battery test fixture.

[0027] Specifically, please refer to Figures 1-2 The lithium battery test fixture specifically comprises:

[0028] The platform 1 is provided with an opening 101 on the top of the platform 1, and the top of the platform 1 is provided with an L-shaped positioning block 102, both sides of the L-shaped positioning block 102 are fixedly provided with guide rails 103, the two guide rails 103 are perpendicular to each other, and the outer surfaces of the two guide rails 103 are slidably connected with sliding seats 104, the sliding seats 104 are provided with fasteners, and the lower side of the platform 1 is provided with a cylinder 2, the piston rod of the cylinder 2 is connected with a clamp plate 201, and the top end of the clamp plate 201 extends to the upper side of the platform 1 through the opening 101.

[0029] The lithium battery test fixture provided by the utility model can be flexibly adjusted to adapt to lithium batteries of different sizes by the L-shaped positioning block 102 and the movable sliding seat 104, which greatly widens the application range of the fixture; after the L-shaped positioning block 102 and the sliding seat 104 are positioned on the battery, the clamp plate 201 is driven by the cylinder 2 to clamp and fix the battery.

[0030] In order for the person skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings.

[0031] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0032] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0033] Embodiment one of the step-by-step lithium battery test fixture of the present application

[0034] Please refer to Figures 1-2 The step-by-step lithium battery test fixture of the present application comprises: a loading platform 1, an open mouth 101 is formed on the loading platform 1, an L-shaped positioning block 102 is installed on the top of the loading platform 1, guide rails 103 are fixedly installed on both sides of the L-shaped positioning block 102, the two guide rails 103 are perpendicular to each other, sliding seats 104 are slidably connected to the outer surfaces of the two guide rails 103, fasteners are arranged on the sliding seats 104, a pneumatic cylinder 2 is arranged below the loading platform 1, a clamping plate 201 is connected to the piston rod of the pneumatic cylinder 2, the top end of the clamping plate 201 passes through the open mouth 101 and extends above the loading platform 1; the L-shaped positioning block 102 is arranged, the L-shaped positioning block 102 is matched with the movable sliding seat 104, the size of the step-by-step lithium battery can be flexibly adjusted, the application range of the fixture is greatly widened; after the L-shaped positioning block 102 and the sliding seat 104 are positioned on the battery, the clamping plate 201 is driven by the pneumatic cylinder 2 to clamp and fix the battery.

[0035] The L-shaped positioning block 102 is matched with the movable sliding seat 104, the size of the step-by-step lithium battery can be flexibly adjusted, in actual application, the size of the step-by-step lithium battery on the market is quite different, the adjustable design makes the fixture easily cope with batteries of various sizes, without the need to specially customize fixtures for batteries of different sizes, the production cost of enterprises is reduced, after the L-shaped positioning block 102 and the sliding seat 104 are accurately positioned on the battery, the clamping plate 201 is driven by the pneumatic cylinder 2 to clamp and fix the battery, so that displacement or shaking of the battery does not occur during the test process, thereby ensuring the accuracy and stability of the test results.

[0036] Further, as Figure 1As shown, the side of the clamping plate 201, the sliding seat 104 and the L-shaped positioning block 102 is connected with the gasket 3, the gasket 3 can be made of rubber, if the clamping plate 201, the sliding seat 104 and the L-shaped positioning block 102 are directly contacted with the battery during the battery test, the battery surface is easily scratched due to friction, the performance and appearance of the battery are affected, the isolation between the clamping plate 201, the sliding seat 104 and the L-shaped positioning block 102 and the battery is realized through the gasket 3, and the damage caused by the direct contact is avoided, and the gasket 3 made of rubber has good elasticity and friction, on the one hand, the pressure in the clamping process can be buffered, and the impact force on the battery is reduced; on the other hand, the friction between the battery and the battery can be increased, so that the battery is more stably fixed on the clamp during the test, and therefore the accuracy of the test result is improved.

[0037] Further, as shown in the figure, Figure 1 The top of the carrier 1 is embedded with a plurality of balls 107, the balls 107 are arranged to facilitate the movement of the battery during placement; when placing the battery, since the step lithium battery usually has a certain weight, if there is no assistance of the ball 107, the carrier 1 will be directly contacted with the battery, and the operator needs to spend a lot of effort to overcome the friction between the battery and the carrier 1 to move the battery, which is difficult to operate, the arrangement of the ball 107 makes the movement of the battery on the carrier 1 more relaxed, and the battery is placed in the specified position, reduces the time and effort required for placing the battery, improves the work efficiency, and makes the operation process more relaxed and convenient.

[0038] Further, as shown in the figure, Figure 1 The fastener is a hand screw bolt 105, the hand screw bolt 105 is threadedly connected on the sliding seat 104, the bottom end of the hand screw bolt 105 penetrates into the sliding seat 104 and is in contact with the top of the guide rail 103, when it is necessary to adjust the position of the sliding seat 104 according to the size of the battery, the operator only needs to loosen the hand screw bolt 105 by hand, and then pushes the sliding seat 104 to move on the guide rail 103, adjusts to the appropriate position, and then tightens the hand screw bolt 105 by hand, so that the sliding seat 104 is fixed on the guide rail 103, and the operation does not need to use a wrench and other tools, saves the operation time, and improves the work efficiency.

[0039] Further, as shown in the figure, Figures 1-2 The bottom of the carrier 1 is fixedly installed with a bottom frame 106, the bottom frame 106 is used for supporting the carrier 1, so that the bottom of the carrier 1 is suspended, and then the space required for the arrangement of the cylinder 2 and other components is provided.

[0040] The embodiment two of the step lithium battery test fixture

[0041] The embodiment two of the step lithium battery test fixture Figures 1-4As shown, the support frame 202 is arranged in the carrier 1, the first hand screw rod 204 is arranged in the support frame 202 through a bearing, the two sides of the air cylinder 2 are fixedly connected with the connecting blocks 203, one of the connecting blocks 203 is threadedly connected with the outer surface of the first hand screw rod 204, different sizes of the ladder lithium battery may be greatly different, in order to ensure that the clamp can effectively clamp and fix various batteries, the position of the air cylinder 2 needs to be adjusted, the first hand screw rod 204 can drive the air cylinder 2 to move horizontally through the connecting block 203, and the position of the air cylinder 2 can be flexibly adjusted according to the specific condition of the battery, so that the clamping plate 201 can accurately contact and clamp the battery, and the adjustable design makes the clamp adapt to the test requirements of more different specifications of batteries, and the universality and practicality of the clamp are improved.

[0042] Further, as shown in the drawings, Figures 2-4 The support rod 205 is fixedly installed in the support frame 202, the outer surface of the support rod 205 is connected with the other connecting block 203, and the support rod 205 can support the air cylinder 2 through the connecting block 203 connected with the support rod 205, so that the stability of the air cylinder 2 is improved.

[0043] Further, as shown in the drawings, Figures 1-3 The two sides of the base frame 106 are provided with the sliding grooves 4, the sliding grooves 4 are slidably connected with the sliding blocks 401, the sliding blocks 401 are fixedly connected with the support frame 202, the sliding blocks 401 can cooperate with the base frame 106 to support the support frame 202, the cooperation of the sliding grooves 4 and the sliding blocks 401 can provide good guidance and support for the support frame 202, the sliding blocks 401 slide in the sliding grooves 4, the movement direction of the support frame 202 is limited, so that the support frame 202 can only move horizontally along the direction of the sliding grooves 4, and the shaking or deviation of the support frame 202 in the movement process is avoided, so that the movement of the support frame 202 is more stable, and therefore the stability and reliability of the whole test clamp are improved.

[0044] Embodiment three of the ladder lithium battery test clamp

[0045] Further, as shown in the drawings, Figures 1-2 The second hand screw rod 402 is connected with the sliding groove 4 through a bearing, the outer surface of the second hand screw rod 402 is threadedly connected with the sliding block 401, when different sizes of the ladder lithium battery are tested, the position of the air cylinder 2 needs to be adjusted, so that the clamping plate 201 can accurately clamp the battery, the second hand screw rod 402 can drive the support frame 202 to move horizontally through the sliding block 401 connected with the second hand screw rod 402, and then the horizontal position of the air cylinder 2 can be adjusted, so that the clamp can better adapt to the test requirements of various different specifications of batteries, and the applicability and compatibility of the clamp are improved.

[0046] Further, as shown in Figure 3 One end of the first hand screw rod 204 is passed through one of the sliding grooves 4 and extends to the outside of the chassis 106, so that the first hand screw rod 204 does not interfere with the chassis 106.

[0047] In use, the hand screw bolt 105 is loosened, the sliding seat 104 is pushed to move the sliding seat 104, the position of the sliding seat 104 is adjusted according to the size of the battery, then the hand screw bolt 105 is tightened to fix the position of the sliding seat 104, the first hand screw rod 204 is rotated, the threads of the first hand screw rod 204 drive the cylinder 2 to move horizontally along the support rod 205 in cooperation with the connecting block 203, the second hand screw rod 402 is rotated, the threads of the second hand screw rod 402 drive the support frame 202 to move horizontally along the sliding groove 4 in cooperation with the sliding block 401, the horizontal position of the cylinder 2 is adjusted in two directions, the battery is placed on the ball 107, the battery is moved to make one corner of the battery correspond to the L-shaped positioning block 102 and be positioned by the L-shaped positioning block 102, the side of the battery is limited by the sliding seat 104, the clamp plate 201 is driven by the cylinder 2 to move to the battery to clamp and fix the battery, and then subsequent test work can be carried out, after the test is completed, the clamp plate 201 is driven by the cylinder 2 to move away from the battery.

[0048] Obviously, the above-described embodiments are only some embodiments of the present application, not all embodiments. The preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly applied to other related technical fields, is also within the patent protection scope of the present application.

Claims

1. A test fixture for graded lithium batteries, characterized in that, include: A platform (1) is provided with an opening (101). An L-shaped positioning block (102) is installed on the top of the platform (1). Guide rails (103) are fixedly installed on both sides of the L-shaped positioning block (102). The two guide rails (103) are perpendicular to each other. A slide block (104) is slidably connected to the outer surface of the two guide rails (103). Fasteners are provided on the slide block (104). A cylinder (2) is provided below the platform (1). A clamping plate (201) is connected to the piston rod of the cylinder (2). The top of the clamping plate (201) passes through the opening (101) and extends to the top of the platform (1).

2. The cascade lithium battery testing fixture according to claim 1, characterized in that, The sides of the clamp (201), slide (104) and L-shaped positioning block (102) are all connected with gaskets (3).

3. The cascade lithium battery testing fixture according to claim 2, characterized in that, The top of the platform (1) is fitted with several balls (107).

4. The cascade lithium battery testing fixture according to claim 3, characterized in that, The fastener is a hand-tightening bolt (105), which is threaded onto the slide (104). The bottom end of the hand-tightening bolt (105) is inserted into the slide (104) and contacts the top of the guide rail (103).

5. The cascade lithium battery testing fixture according to claim 4, characterized in that, The bottom of the platform (1) is fixedly installed with a base frame (106), which is used to support the platform (1).

6. The cascade lithium battery testing fixture according to claim 5, characterized in that, The platform (1) is provided with a support frame (202), and a first hand-tightening screw (204) is provided in the support frame (202) through a bearing. Both sides of the cylinder (2) are fixedly connected with connecting blocks (203), and one of the connecting blocks (203) is threadedly connected to the outer surface of the first hand-tightening screw (204).

7. The cascade lithium battery testing fixture according to claim 6, characterized in that, A support rod (205) is fixedly installed inside the support frame (202), and the outer surface of the support rod (205) is interlocked with another connecting block (203).

8. The cascade lithium battery testing fixture according to claim 7, characterized in that, The base frame (106) has sliding grooves (4) on both sides, and sliders (401) are slidably connected in both sliding grooves (4). Both sliders (401) are fixedly connected to the support frame (202).

9. The cascade lithium battery testing fixture according to claim 8, characterized in that, A second hand-tightening screw (402) is connected to one of the slide grooves (4) via a bearing, and the outer surface of the second hand-tightening screw (402) is threadedly connected to one of the sliders (401).

10. The cascade lithium battery testing fixture according to claim 9, characterized in that, One end of the first hand-tightening screw (204) passes through one of the grooves (4) and extends to the outside of the base frame (106).

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