Steel pipe anti-collision test device for new energy vehicle lithium battery shell

By designing a combined impact testing device, which utilizes multiple sets of impact push rods and impact cutters with different angles and curvatures, the problem of the single impact shape in existing devices is solved, thereby improving the simulation realism and detection effect of the test.

CN223783860UActive Publication Date: 2026-01-09JIANGYIN HONGLI ENG MACHINERY CO LTD
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Patent Information

Application Number
CN202423212504.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2026-01-09
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing impact testing devices, when testing steel pipes, only simulate a single impact shape, which cannot fully simulate the various shapes and sizes of sharp objects that may be encountered in actual collisions, resulting in deviations between test results and actual collision performance.

Method used

An anti-impact testing device for steel pipes used in lithium battery casings for new energy vehicles was designed. The device combines a column, a steel pipe fixing frame, a top frame, an impact mechanism, and a control console. Six sets of impact push rods drive three sets of impact push blocks to impact the steel pipe with impact blades of different angles and curvatures, simulating the impact of sharp objects of various shapes and sizes.

Benefits of technology

This improved the simulation realism of the test, reduced the deviation between the test results and the actual collision performance, and enabled comprehensive testing of the collision resistance performance of steel pipes.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the field of collision test devices, in particular to a steel pipe anti-collision test device for a new energy vehicle lithium battery shell, which comprises a T-shaped base, a vertical column, a steel pipe fixing frame, a top frame, a collision mechanism and a control console, a stand column playing a supporting role is arranged at the rear end of the T-shaped base, a top frame is arranged at the front end of the top of the stand column, an impacting mechanism used for impacting a steel pipe is arranged at the lower end of the top frame and comprises six sets of impacting push rods, and impacting push blocks are fixedly installed at the lower ends of every two sets of impacting push rods. The lower ends of the three groups of impact push blocks are respectively provided with impact tool bits with different shapes, the front end of the top frame is provided with a console for controlling the testing device, and two groups of steel pipe fixing frames for fixing steel pipes are symmetrically arranged below the impact mechanism; the circuit of the impact mechanism is controlled by the console to be switched on, so that the six groups of impact push rods respectively push the three groups of impact push blocks to press and impact a steel pipe, and the three groups of impact push blocks push the impact tool bits with different angles and radians to impact the steel pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the impact test device field especially relates to new energy car lithium battery shell is with steel pipe anti -impact test device. BACKGROUND

[0002] New energy car as the development direction of future automobile industry, has broad market prospect and development potential, with the continuous progress of technology and the increasingly mature market, new energy car will gradually become the mainstream choice of consumer car purchase, new energy car usually is through electric energy as energy, in order to improve the protection performance of battery, will use steel tube stamping as the shell of lithium battery, when selecting steel pipe, usually use anti -impact test device to test the performance of steel pipe.

[0003] The existing impact test device, when the steel pipe is impacted, the impact shape is relatively single, various shapes and sizes of sharp objects that may be encountered in actual collision cannot be completely simulated, thereby the test result and actual crash performance are prone to deviation.

[0004] Therefore, in view of the above-mentioned single impact shape, various shapes and sizes of sharp objects that may be encountered in actual collision cannot be completely simulated, a new energy car lithium battery shell steel pipe anti-impact test device can be designed, which provides impact effects of various angles and radians by the impact mechanism, thereby facilitating the solution of the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the existing impact test device, when the steel pipe is impacted, the impact shape is relatively single, various shapes and sizes of sharp objects that may be encountered in actual collision cannot be completely simulated, thereby the test result and actual crash performance are prone to deviation.

[0006] The utility model discloses a technical scheme that: new energy car lithium battery shell steel pipe anti-impact test device, including T type base, stand, steel pipe fixing frame, roof, impact mechanism and control cabinet, the rear end of T type base is equipped with the stand that plays the supporting role, the top of stand is equipped with the roof, the lower end of roof is equipped with the impact mechanism for impacting steel pipe, the impact mechanism includes six groups of impact push rod, wherein the lower end of every two groups of impact push rod is fixedly installed with impact push block, the lower end of three groups of impact push block is installed with the impact cutter head of different shapes respectively, the front end of roof is equipped with the control cabinet of controlling test device, the lower symmetry of impact mechanism is equipped with two groups of steel pipe fixing frame for fixing steel pipe.

[0007] Preferably, the application is combined with the console by the stand, the steel pipe fixing frame, the top frame and the impact mechanism, so that the stand supports the top frame during the test, the workers fix three groups of the same type steel pipes through the steel pipe fixing frame, the impact mechanism circuit is turned on through the console control, six groups of impact push rods respectively push three groups of impact push blocks to press and impact the steel pipes, and the three groups of impact push blocks push the impact cutters with different angle radian to impact the steel pipes.

[0008] Preferably, the upper end of the steel pipe fixing frame is linearly provided with three groups of steel pipe fixing grooves, a plurality of clamping grooves are arranged between the three groups of steel pipe fixing grooves, the plurality of clamping grooves are evenly distributed between the three groups of steel pipe fixing grooves, a steel pipe pressing block is arranged above the steel pipe fixing frame, and the lower end of the steel pipe pressing block is provided with a clamping block corresponding to the clamping groove.

[0009] Preferably, the side wall of the plurality of clamping grooves is provided with a pin hole, the pin hole penetrates the steel pipe fixing frame and the clamping block, and a positioning pin is arranged in the pin hole.

[0010] Preferably, the console comprises a touch panel, the rear end of the touch panel is provided with a movable shaft, the front end of the top frame is provided with a movable seat, the side wall of the movable seat is provided with a movable hole, the two ends of the movable shaft extend into the inside of the movable hole, and a limit stopper is arranged on the side end of the movable shaft.

[0011] Preferably, the rear end of the stand is provided with a battery groove, a battery pack is arranged in the battery groove, and the battery pack, the impact mechanism and the touch panel are electrically connected.

[0012] Preferably, the surface of the top frame is provided with six groups of impact push holes, the upper ends of the six groups of impact push rods extend to the upper end of the top frame through the impact push holes, the upper ends of the six groups of impact push rods are all provided with air cylinders, and a pressure sensor is arranged at the center of the upper end of the impact push block.

[0013] Preferably, the bottom of each of the two groups of steel pipe fixing frames is provided with two groups of supporting rods, and the two groups of supporting rods are evenly distributed at the two ends of the bottom of the steel pipe fixing frame.

[0014] Compared with the impact test device on the market, the impact shape is relatively single, and various shapes and sizes of sharp objects that may be encountered in actual collision cannot be completely simulated. The application is combined with the console by the stand, the steel pipe fixing frame, the top frame and the impact mechanism, so that the stand supports the top frame during the test, the workers fix three groups of the same type steel pipes through the steel pipe fixing frame, the impact mechanism circuit is turned on through the console control, six groups of impact push rods respectively push three groups of impact push blocks to press and impact the steel pipes, and the three groups of impact push blocks push the impact cutters with different angle radian to impact the steel pipes, thereby improving the simulation reality of the steel pipe impact test, reducing the deviation between the test results and the actual collision performance, and achieving the effect of comprehensively detecting the anti-collision performance of the steel pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The whole structure schematic view of the impact testing device is shown.

[0016] Fig. 2 The whole structure schematic view of the impact testing device is shown.

[0017] Fig. 3 The whole structure schematic view of the impact testing device is shown.

[0018] Fig. 4 The whole structure schematic view of the impact testing device is shown.

[0019] The drawing mark explanation: 1, T-shaped base; 2, stand; 3, steel pipe fixing frame; 4, top frame; 5, impact mechanism; 6, control console; 7, battery groove; 8, battery pack; 9, impact push hole; 10, movable seat; 11, movable hole; 12, touch panel; 13, movable shaft; 14, support rod; 15, steel pipe fixing groove; 16, clamping groove; 17, pin hole; 18, steel pipe pressing block; 19, clamping block; 20, positioning pin; 21, impact push rod; 22, impact push block; 23, impact cutter head; 24, pressure sensor; 25, air cylinder. DETAILED DESCRIPTION

[0020] The utility model is further explained in connection with the drawings and examples.

[0021] Please refer to Figs. 1-4 The utility model provides a kind of embodiment: new energy vehicle lithium battery shell steel pipe anti-impact testing device, including T-shaped base 1, stand 2, steel pipe fixing frame 3, top frame 4, impact mechanism 5 and control console 6;The rear end of T-shaped base 1 is equipped with the stand 2 playing the role of support, the top of stand 2 front end is equipped with top frame 4, and the lower end of top frame 4 is equipped with the impact mechanism 5 for impacting steel pipe, and impact mechanism 5 includes six groups of impact push rod 21, wherein the lower end of every two groups of impact push rod 21 is fixedly installed with impact push block 22, the lower end of three groups of impact push block 22 is respectively installed with different shapes of impact cutter head 23, and the front end of top frame 4 is equipped with the control console 6 of control testing device, and the lower of impact mechanism 5 is equipped with two groups of steel pipe fixing frame 3 for fixing steel pipe.

[0022] Please refer to Figs. 1-2In the embodiment, the console 6 comprises a touch panel 12, the rear end of the touch panel 12 is provided with a movable shaft 13, the front end of the top frame 4 is provided with a movable seat 10, the side wall of the movable seat 10 is provided with a movable hole 11, the both ends of the movable shaft 13 extend into the inside of the movable hole 11, the side end of the movable shaft 13 is provided with a limit stopper, the rear end of the stand 2 is provided with a battery groove 7, the inside of the battery groove 7 is provided with a battery pack 8, the battery pack 8, the impact mechanism 5 and the touch panel 12 are electrically connected, the touch panel 12, the impact mechanism 5 and the battery pack 8 are combined, so that when working, the staff can rotate the touch panel 12 along the movable hole 11 through the movable shaft 13, so as to adjust the pitch angle of the console 6, and start and stop the battery pack 8 through the touch panel 12, so that the battery pack 8 provides power for the impact mechanism 5.

[0023] Please refer to Figs. 2-3 In the embodiment, the upper end of the steel pipe fixing frame 3 is linearly provided with three groups of steel pipe fixing grooves 15, a plurality of clamping grooves 16 are arranged between the three groups of steel pipe fixing grooves 15, the plurality of clamping grooves 16 are evenly distributed between the three groups of steel pipe fixing grooves 15, the upper end of the steel pipe fixing frame 3 is provided with a steel pipe pressing block 18, the lower end of the steel pipe pressing block 18 is provided with a clamping block 19 corresponding to the clamping groove 16, the side wall of the plurality of clamping grooves 16 is provided with a pin hole 17, the pin hole 17 penetrates the steel pipe fixing frame 3 and the clamping block 19, the inside of the pin hole 17 is provided with a positioning pin 20, the steel pipe fixing frame 3 and the steel pipe pressing block 18 are combined, so that when the anti-impact test of the steel pipe is carried out, the staff places three steel pipes of the same type on the three groups of steel pipe fixing grooves 15, and presses the steel pipe pressing block 18 on the steel pipe fixing frame 3, so that the clamping block 19 is clamped into the clamping groove 16, and the positioning pin 20 is inserted into the pin hole 17, so that the steel pipe can be fixed below the impact mechanism 5.

[0024] Please refer to Figs. 3-4 In the embodiment, the surface of the top frame 4 is provided with six impact push holes 9, the upper ends of the six impact push rods 21 extend to the upper end of the top frame 4 through the impact push holes 9, the upper ends of the six impact push rods 21 are provided with air cylinders 25, the upper end of the impact push block 22 is provided with a pressure sensor 24, the air cylinders 25 and the six impact push rods 21 are combined, so that after the power supply, the air cylinders 25 drive the impact push rods 21 to push the impact push block 22 to impact, and since each impact push rod 21 is provided with a corresponding air cylinder 25, the impact mechanism 5 has sufficient impact force, which is sufficient to simulate the impact force of the lithium battery shell when impacted, the impact pressure of the lithium battery shell when impacted each time is transmitted to the touch panel 12 through the pressure sensor 24 for display, the bottom of each steel pipe fixing frame 3 is provided with two groups of supporting rods 14, the two groups of supporting rods 14 are evenly distributed at the both ends of the bottom of the steel pipe fixing frame 3, the two groups of supporting rods 14 are combined to support the steel pipe fixing frame 3 in the air, so that after the steel pipe fixing frame 3 fixes the steel pipe, there is a certain impact space between the steel pipe fixing frame 3 and the T-shaped base 1.

[0025] In the process of work, the staff will be the same type of three steel pipe on three groups of steel pipe fixed groove 15, and the steel pipe block 18 pressure on the steel pipe fixed frame 3, make the block 19 card into the card slot 16, and the positioning bolt 20 into the pin hole 17, so that the steel pipe can be fixed below the impact mechanism 5.

[0026] Then the staff will touch the panel 12 through the activity axis 13 along the activity hole 11 rotation, so as to adjust the pitch angle of the console 6, and through the touch panel 12 start and stop the battery pack 8, so that the battery pack 8 provides power for the impact mechanism 5.

[0027] The staff can turn the touch panel 12 through the activity axis 13 along the activity hole 11, so as to adjust the pitch angle of the console 6, and through the touch panel 12 start and stop the battery pack 8, so that the battery pack 8 provides power for the impact mechanism 5.

[0028] After the power supply, the cylinder 25 drives the impact push rod 21 to push the impact push block 22 to impact, six groups of impact push rod 21 respectively push three groups of impact push block 22, so that three groups of impact push block 22 push the impact cutter head 23 with different angle radian to impact the steel pipe, so as to improve the simulation reality of the steel pipe, at the same time, since each impact push rod 21 is equipped with corresponding cylinder 25, so that the impact mechanism 5 has enough impact force, enough to simulate the impact force of lithium battery shell, through the pressure sensor 24, the impact pressure of lithium battery shell is transmitted to the touch panel 12 for display.

[0029] Through the above steps, the application is combined with the column 2, the steel pipe fixed frame 3, the top frame 4, the impact mechanism 5 and the console 6, so that in the process of testing, the column 2 supports the top frame 4, the staff fixes three groups of steel pipes with the same type through the steel pipe fixed frame 3, controls the impact mechanism 5 circuit through the console 6, so that six groups of impact push rod 21 respectively push three groups of impact push block 22 to press down the impact steel pipe, so that three groups of impact push block 22 push the impact cutter head 23 with different angle radian to impact the steel pipe, so as to improve the simulation reality of the impact test of the steel pipe, so as to reduce the deviation between the test result and the actual crash performance, so as to achieve the effect of comprehensive detection of the anti-collision performance of the steel pipe.

Claims

1. A steel pipe anti-impact testing device for lithium battery casing of new energy vehicles, comprising a T-shaped base (1); characterized in that: It also includes a column (2), a steel pipe fixing frame (3), a top frame (4), an impact mechanism (5), and a control console (6); the rear end of the T-shaped base (1) is provided with a column (2) that plays a supporting role, the top front end of the column (2) is provided with a top frame (4), the lower end of the top frame (4) is provided with an impact mechanism (5) for impacting the steel pipe, the impact mechanism (5) includes six sets of impact push rods (21), the lower end of each two sets of impact push rods (21) is fixedly installed with impact push blocks (22), the lower ends of the three sets of impact push blocks (22) are respectively installed with impact blades (23) of different shapes, the front end of the top frame (4) is provided with a control console (6) for controlling the test device, and two sets of steel pipe fixing frames (3) for fixing the steel pipe are symmetrically provided below the impact mechanism (5).

2. The impact-resistant testing device for steel pipes used in lithium battery casings for new energy vehicles according to claim 1, characterized in that: The upper end of the steel pipe fixing bracket (3) is provided with three sets of steel pipe fixing grooves (15), and multiple sets of slots (16) are provided between the three sets of steel pipe fixing grooves (15). The multiple sets of slots (16) are evenly distributed between the three sets of steel pipe fixing grooves (15). A steel pipe pressure block (18) is provided above the steel pipe fixing bracket (3), and a corresponding slot (19) is provided at the lower end of the steel pipe pressure block (18).

3. The impact-resistant testing device for steel pipes used in lithium battery casings for new energy vehicles according to claim 2, characterized in that: The side walls of the multiple slots (16) are provided with pin holes (17), the pin holes (17) pass through the steel pipe fixing frame (3) and the card block (19), and the pin holes (17) are provided with positioning pins (20).

4. The impact-resistant testing device for steel pipes used in lithium battery casings for new energy vehicles according to claim 1, characterized in that: The console (6) includes a touch panel (12), a movable shaft (13) is provided at the rear end of the touch panel (12), a movable seat (10) is provided at the front end of the top frame (4), a movable hole (11) is provided through the side wall of the movable seat (10), and the two ends of the movable shaft (13) extend into the interior of the movable hole (11), and a limiter is installed on the side end of the movable shaft (13).

5. The impact-resistant testing device for steel pipes used in lithium battery casings for new energy vehicles according to claim 4, characterized in that: A battery slot (7) is provided at the rear end of the column (2), and a battery pack (8) is provided inside the battery slot (7). The battery pack (8), the impact mechanism (5), and the touch panel (12) are electrically connected.

6. The impact-resistant testing device for steel pipes used in lithium battery casings for new energy vehicles according to claim 1, characterized in that: The surface of the top frame (4) is provided with six sets of impact push holes (9). The upper ends of the six sets of impact push rods (21) extend through the impact push holes (9) to the upper end of the top frame (4). The upper ends of the six sets of impact push rods (21) are all provided with cylinders (25). The upper center of the impact push block (22) is provided with a pressure sensor (24).

7. The impact-resistant testing device for steel pipes used in lithium battery casings for new energy vehicles according to claim 2, characterized in that: Two sets of support rods (14) are provided at the bottom of each of the two sets of steel pipe fixing frames (3), and the two sets of support rods (14) are evenly distributed at both ends of the bottom of the steel pipe fixing frame (3).