A power battery drop testing device

Abstract

The utility model relates to battery test technical field especially relates to a power battery drop test device, including the test machine case upper lift's connection has the hanger, the hanger is away from the test machine case one side and is provided with the test arm, the test arm is set out the hanger along the horizontal direction extension, the test arm middle position is provided with the tower board lock, the tower board lock is retractable movement on the test arm, to support the movable end of tower board, through the test machine case upper lift's crane, drives the test arm adjustment test height, to realize the simulation of battery drop test under different height, through being provided with the tower board in the inside of two groups of test arms, utilize the tower board support battery, thereby avoid the damage to the battery surface when clamping battery, and the tower board lock retractable movement on the test arm, can when the tower board support battery, the tower board lock supports at the tower board bottom, when needing to release battery simulation drop, the tower board lock retracts, thereby release tower board, make battery can simulate drop situation, reach test demand.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery test technical field especially relates to a power battery drop test device. BACKGROUND

[0002] Before the battery leaves factory, the production factory of battery needs to carry out safety test to the battery, one of the tests is drop test, in the traditional test mode, adopts mechanical claw to snatch and release, but aiming at some quality bigger battery, the mechanical claw can exert bigger snatch, inevitably causes deformation damage to the battery surface in the process, is not favorable to the accuracy of test, how can under the condition of reducing the damage to the battery, still can satisfy the drop test demand of battery of different quality and size, therefore, need a power battery drop test device. UTILITY MODEL CONTENT

[0003] In view of the above-mentioned prior art defects, the utility model aims at providing a power battery drop test device to solve the problem of simulating battery drop test in the prior art.

[0004] To achieve the above-mentioned purpose and other related purposes, the utility model provides the following technical scheme:

[0005] A power battery drop test device, comprising:

[0006] A test machine box, a hanger is connected to the test machine box in a liftable manner, a test arm is arranged on the hanger away from the test machine box, and the test arm extends out of the hanger in a horizontal direction;

[0007] Two groups of the test arms are symmetrically arranged on the hanger, a tower plate is arranged on the inner side of each group of the test arms, two groups of the tower plates are symmetrically arranged on the test arm, one end of each group of the tower plates is rotatably connected to the test arm, a tower plate lock is arranged at the middle position of the test arm, and the tower plate lock is telescopically movable on the test arm to support the movable end of the tower plate.

[0008] The above-mentioned technical scheme is realized, the test height is adjusted by the lifting hanger on the test machine box to drive the test arm, so that the drop test of the battery at different heights is simulated, the tower plate is arranged on the inner side of each group of the test arms to support the battery, so that damage to the surface of the battery caused by clamping the battery is avoided, and the tower plate lock is telescopically movable on the test arm to support the bottom of the tower plate when the tower plate supports the battery, the tower plate lock is retracted when the battery is released to simulate drop, so that the tower plate is released, the battery can simulate drop, and the test requirement is met.

[0009] In one embodiment of the present invention, the hinge points of the two sets of tower plates and the test arm are located on the side away from the tower plate lock, and when the movable ends of the two sets of tower plates are both on the tower plate lock, the movable ends of the two sets of tower plates are engaged at an interval.

[0010] To achieve the above technical solution, by placing the hinge point between the tray and the test arm on the side away from the tray lock, the two trays can rotate around the hinge point. Furthermore, by interleaving the moving ends of the two trays, conflicts between the moving ends of the two trays can be avoided during rotation, thus ensuring the stability of the tray rotation.

[0011] In one embodiment of this utility model, the test arm is provided with a plate lock drive component, and the plate lock is located at the movable end of the plate lock drive component. The plate lock drive component drives the plate lock to extend into or away from the movable ends of the two sets of plates.

[0012] To achieve the above technical solution, a plate lock drive component is installed on the test arm. When it is necessary to use the tower plates to support the test battery, the plate lock drive component drives the tower plate lock to extend under the movable ends of the two sets of tower plates to support the two sets of tower plates. When it is necessary to simulate a battery drop scenario, the plate lock drive component drives the tower plate lock to move away from under the movable ends of the two sets of tower plates, so that the battery can fall naturally under the action of gravity to meet the simulation requirements.

[0013] In one embodiment of the present invention, both sets of test arms are slidably connected to the hanger to adjust the distance between the two sets of test arms.

[0014] To achieve the above technical solution, both sets of test arms are slidably connected to the hanger, and the distance between the two sets of test arms can be adjusted according to the different sizes of the test batteries, thereby meeting the support requirements for batteries of different sizes.

[0015] In one embodiment of the present invention, the hanger is provided with a transverse slide rail, the root of the test arm is provided with a transverse slider, the transverse slider and the transverse slide rail are slidably engaged, and the transverse slider is provided with a slider positioning hole.

[0016] To achieve the above technical solution, a transverse slider is provided at the root of the test arm. The sliding cooperation between the transverse slider and the transverse slide can improve the sliding stability of the test arm in the transverse slide. The transverse slider is provided with a slider positioning hole, which can easily lock the transverse slider in the transverse slide, thereby improving the stability during the battery testing process.

[0017] In one embodiment of the present invention, the test chassis is provided with a lifting slide, the hanger moves up and down in the lifting slide, and a bellows cover is provided in the lifting slide.

[0018] The lifting chute is arranged to guide the lifting movement of the hanger in the lifting chute, and the organ case can prevent foreign matters from entering the lifting chute.

[0019] In an embodiment of the utility model, the test case bottom is provided with a test base, and the test base is provided with a guardrail box in the circumferential direction.

[0020] The test base can provide stable support for the test case, and the guardrail box can prevent the battery from bouncing out after falling, thereby improving test safety.

[0021] As described above, the power battery falling test device has the following beneficial effects: the lifting crane on the test case drives the test arm to adjust the test height, so as to simulate the battery falling test at different heights; the tower plate is arranged on the inner side of the two test arms, the tower plate supports the battery, so as to avoid damaging the surface of the battery when the battery is clamped; the tower plate lock can extend and retract on the test arm, when the tower plate supports the battery, the tower plate lock is supported on the bottom of the tower plate, when the battery needs to be released to simulate falling, the tower plate lock is retracted, so as to release the tower plate, so that the battery can simulate the falling condition, and the test requirement is met. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A structure schematic view of the power battery falling test device disclosed in the embodiment of the utility model is shown.

[0023] Figure 2 A lifting chute structure schematic view of the power battery falling test device disclosed in the embodiment of the utility model is shown.

[0024] Figure 3 A structure schematic view of the guardrail box of the power battery falling test device disclosed in the embodiment of the utility model is shown. Figure 2 A partial enlarged view of reference sign A in the embodiment of the utility model is shown.

[0025] Figure 4 A structure schematic view of the guardrail box of the power battery falling test device disclosed in the embodiment of the utility model is shown.

[0026] Figure 5 A structure schematic view of the guardrail box of the power battery falling test device disclosed in the embodiment of the utility model is shown. Figure 4 A partial enlarged view of reference sign B in the embodiment of the utility model is shown.

[0027] ELEMENT NUMBER EXPLANATION

[0028] 1, test case; 2, hanger; 3, test arm; 4, tower plate; 5, tower plate lock; 6, plate lock driving part; 7, transverse sliding way; 8, transverse sliding block; 9, guardrail box; 10, lifting chute; 11, organ case; 12, test base. DETAILED DESCRIPTION

[0029] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0030] Please refer to Figures 1 to 5 The utility model provides a power battery drop test device, including test machine case 1 on liftable connection has the hanger 2, the hanger 2 is away from the test machine case 1 one side and is provided with test arm 3, test arm 3 extends out the hanger 2 along the horizontal direction setting, test arm 3 is symmetrically set two groups on the hanger 2, the inner side of two groups test arm 3 is provided with tower plate 4, tower plate 4 is symmetrically set two groups on test arm 3, and, one end of two groups tower plate 4 is rotatably connected on test arm 3, the middle position of test arm 3 is provided with tower plate lock 5, tower plate lock 5 is retractable on test arm 3 movement, to support the movable end of tower plate 4.

[0031] Through the lifting crane on test machine case 1, drive test arm 3 adjusts test height, to realize the simulation of battery drop test under different height, through the inner side of two groups test arm 3 is provided with tower plate 4, utilize tower plate 4 to support the battery, thereby avoid clamping battery, to the surface of battery causes damage, and tower plate lock 5 is retractable on test arm 3 movement, can when tower plate 4 supports the battery, tower plate lock 5 is supported at the bottom of tower plate 4, when needing to release battery simulation drop, tower plate lock 5 is retracted, thereby release tower plate 4, make battery can simulate drop situation, reach test demand.

[0032] The hinging point of two groups tower plate 4 and test arm 3 is located at the side away from tower plate lock 5, and when the movable end of two groups tower plate 4 is located on tower plate lock 5, the movable end of two groups tower plate 4 is spaced apart, by the hinging point of tower plate 4 and test arm 3 is located at the side away from tower plate lock 5, can two groups tower plate 4 rotate around the hinging point, and the movable end of two groups tower plate 4 is spaced apart, can avoid the conflict between the movable end of two groups tower plate 4 in the rotating process, guarantee the stability of tower plate 4 rotation.

[0033] Tower plate lock 5 is located at the movable end of plate lock driving part 6 on test arm 3, plate lock driving part 6 drive tower plate lock 5 to extend into the movable end of two groups tower plate 4 below or leave the movable end of two groups tower plate 4 below, by being provided with plate lock driving part 6 on test arm 3, when needing to utilize tower plate 4 to support test battery, plate lock driving part 6 drive tower plate lock 5 to extend into the movable end of two groups tower plate 4 below, to support two groups tower plate 4, and when needing to simulate battery drop scene, plate lock driving part 6 drive tower plate lock 5 to leave the movable end of two groups tower plate 4 below, make battery can naturally drop under the action of gravity, to satisfy simulation demand.

[0034] The two groups of test arms 3 are slidably connected on the hanger 2 to adjust the distance between the two groups of test arms 3, and the two groups of test arms 3 are slidably connected on the hanger 2, so that the distance between the two groups of test arms 3 can be adjusted according to different sizes of test batteries, thereby meeting the support requirements of different sizes of batteries.

[0035] The hanger 2 is provided with a horizontal sliding groove 7, and the test arm 3 is provided with a horizontal sliding block 8 at the root, and the horizontal sliding block 8 and the horizontal sliding groove 7 are in sliding fit, and the horizontal sliding block 8 is provided with a sliding block positioning hole, and the horizontal sliding block 8 is provided with a sliding block positioning hole, and the horizontal sliding block 8 is locked in the horizontal sliding groove 7, so as to improve the stability during the battery test.

[0036] The test machine box 1 is provided with a lifting sliding groove 10, and the hanger 2 moves up and down in the lifting sliding groove 10, and the lifting sliding groove 10 is provided with an organ cover 11, and the lifting sliding groove 10 can guide the lifting movement of the hanger 2 in the lifting sliding groove 10, and the organ cover 11 can prevent foreign matter from entering the lifting sliding groove 10.

[0037] The test machine box 1 is provided with a test base 12, and the test base 12 is provided with a guardrail box 9, and the test base 12 can provide stable support for the test machine box 1, and the guardrail box 9 can prevent the battery from bouncing after falling, thereby improving the test safety.

[0038] The utility model discloses a lifting hanger on the test machine box, drives test arm to adjust test height to realize the simulation of battery drop test under different height, and the inner side of two groups of test arms is provided with the tray board, and the battery is supported by the tray board, thereby avoiding the damage to the surface of battery when clamping the battery, and the tray board lock telescopic movement on the test arm, when the battery is supported by the tray board, the tray board lock is supported at the bottom of the tray board, when the battery simulation drop is needed, the tray board lock is retracted, thereby releasing the tray board, and the battery can simulate the drop situation, and the test demand is reached.

[0039] The above embodiments only exemplarily illustrate the principle and effect of the utility model, and are not used to limit the utility model. All equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A power cell drop test apparatus, characterized by, Include: Test chassis, the test chassis is liftable and connected with the hanger, the hanger is provided with test arm away from the test chassis side, the test arm extends out the hanger along the horizontal direction setting; The test arm is symmetrically arranged two groups on the hanger, the inner side of two groups test arm is provided with the tray, the tray is symmetrically arranged two groups on the test arm, and one end of two groups tray is rotatably connected on the test arm, the tray lock is arranged in the middle position of the test arm, the tray lock is telescopically movable on the test arm to support the movable end of the tray.

2. The power cell drop test apparatus of claim 1, wherein: The hinge point of two groups tray and test arm is located away from the tray lock side, and when the movable end of two groups tray is located on the tray lock, the movable end of two groups tray is spaced apart.

3. The power cell drop test apparatus of claim 1, wherein: The test arm is provided with the lock driving element, the tray lock is located in the movable end of the lock driving element, the lock driving element drives the tray lock to extend into the movable end of two groups of trays below or away from the movable end of two groups of trays below.

4. The power cell drop test apparatus of claim 1, wherein: Two groups of test arms are slidably connected on the hanger to adjust the spacing between two groups of test arms.

5. The power cell drop test apparatus of claim 1, wherein: The hanger is provided with a horizontal sliding way, the test arm root is provided with a horizontal sliding block, the horizontal sliding block and the horizontal sliding way are slidingly connected, the horizontal sliding block is provided with a sliding block positioning hole.

6. The power cell drop test apparatus of claim 1, wherein: The test chassis is provided with a lifting sliding groove, the hanger is lifted in the lifting sliding groove, the lifting sliding groove is provided with an organ case.

7. The power cell drop test apparatus of claim 1, wherein: The test chassis bottom is provided with a test base, and the test base is provided with a guardrail box.

Images