CN219284623U

CN219284623U - Power battery collision experiment device

Info

Publication number: CN219284623U
Application number: CN202223326553.5U
Authority: CN
Inventors: 吴太和
Original assignee: Weiying New Energy Technology Wuxi Co ltd
Current assignee: Weiying New Energy Technology Wuxi Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-30
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a power battery collision experiment device, wherein a box door is arranged on the front side of an explosion-proof box through a hinge, a positioning assembly is fixed on the inner wall of one side of the explosion-proof box, an accelerating tube is arranged at the center of the other side of the explosion-proof box, a supporting frame is fixed in the middle of the accelerating tube, and a spring striking piece is fixed at the tail end of the accelerating tube; the accelerating tube is provided with a feeding hole positioned at the front side of the spring impact piece, the inside of the feeding hole is connected with a feeding frame in a sliding manner, a lifting handle is arranged at the top of the feeding frame, mounting holes are formed in the feeding frame in an equidistant manner, and the impact piece is fixedly clamped in the mounting holes; the impact member comprises a conical impact member, a spherical impact member and a flat impact member; and a control board is fixed at the tail end of the accelerating tube. The utility model is convenient to replace impact pieces of different types quickly, can meet different experimental requirements, can be closer to actual impact, and improves experimental precision.

Description

Power battery collision experiment device

Technical Field

The utility model relates to the technical field of power battery detection, in particular to a power battery collision experiment device.

Background

With the popularization and use of electric automobiles, many safety problems such as fire and explosion caused by the problem of power batteries occur. The electric automobile is in the collision accident when high-speed driving, can inevitably collide the power battery, if the pressure stability of power battery is not good will appear catching fire dangerous operating mode such as explosion. Therefore, it is necessary to investigate the collision safety problem of the power battery.

In patent CN217819282U, a battery dynamic impact test device is disclosed, a pull ring is pulled to observe a dial of a dial tension meter, recording is performed, then the pull ring is released, a spring is allowed to rebound, a spring ram is pushed to eject a load car, the load car moves along a track to one side close to the impact ram, and a battery pack on the load car collides with the impact ram. The collision head in the above patent has a single form, and the actual vehicle collides, and different similar collision pieces can be used for colliding the power battery, for example, a pointed vehicle accessory and a round-head vehicle accessory, and the experimental precision is influenced by adopting the single collision piece. Therefore, it is necessary to design a power battery collision experiment device.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the power battery collision experiment device which is convenient for quickly replacing different types of collision pieces, can meet different experiment requirements, can be closer to actual collision, and improves experiment precision.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power battery collision experimental apparatus, includes explosion-proof box, the front side of explosion-proof box is installed the chamber door through the hinge, the one side inner wall of explosion-proof box is fixed with locating component, the opposite side center department of explosion-proof box installs the accelerating tube, the middle part of accelerating tube is fixed with the support frame, the tail end of accelerating tube is fixed with the spring striking piece;

the accelerating tube is provided with a feeding hole positioned at the front side of the spring impact piece, the inside of the feeding hole is connected with a feeding frame in a sliding manner, a lifting handle is arranged at the top of the feeding frame, mounting holes are formed in the feeding frame in an equidistant manner, and the impact piece is fixedly clamped in the mounting holes;

the impact member comprises a conical impact member, a spherical impact member and a flat impact member;

the tail end of the accelerating tube is fixed with a control plate, and the control plate is electrically connected with the spring impact piece.

Preferably, a locating hole is arranged below the mounting hole on the feeding frame, a clamping pin seat is arranged on the side edge of the top of the accelerating tube, which is positioned at the feeding hole, and a locating pin matched with the locating hole is connected in a sliding manner in the clamping pin seat.

Preferably, the spring impact piece comprises an air cylinder frame, a spring pull rod, a pull ring, a hydraulic telescopic rod, an electric chuck, an impact head and a spring;

the impact head sliding connection is in the inside of accelerating tube, the bottom of impact head is fixed with the spring pull rod that passes accelerating tube, the tail end of spring pull rod is fixed with the pull ring, the last spring of connecting accelerating tube and impact head that has cup jointed of spring pull rod, the tail end of accelerating tube is fixed with the cylinder frame, install hydraulic telescoping rod on the cylinder frame, hydraulic telescoping rod's flexible end is fixed with electric chuck, hydraulic telescoping rod and electric chuck all with control panel electric connection.

Preferably, a magnetostrictive displacement sensor is arranged in the cylinder frame, a movable magnetic ring of the magnetostrictive displacement sensor is fixed on the outer wall of the electric chuck, a PLC (programmable logic controller) is arranged in the control board, the magnetostrictive displacement sensor is electrically connected with the input end of the PLC, and the output end of the PLC is electrically connected with the hydraulic telescopic rod and the electric chuck.

Preferably, the locating component comprises a sliding rail fixed on the inner wall of one side of the explosion-proof box, sliding grooves are symmetrically formed in the sliding rail, a bidirectional screw rod is rotatably connected in the sliding rail, sliding blocks sliding in the sliding grooves are meshed at two ends of the bidirectional screw rod, clamping plates are mounted at the tops of the sliding blocks, and a rotary handle connected with the bidirectional screw rod in a transmission mode is mounted on the outer side of the sliding rail.

The beneficial effects of the utility model are as follows:

1. the impact pieces of different types can be conveniently and quickly replaced, different experimental requirements can be met, the impact piece is closer to actual impact, and experimental precision is improved;

2. the positioning pin is inserted into the positioning hole at the back of the upper material rack, so that the positioning function and the guiding function can be realized, and the impact piece can be positioned in the accelerating tube;

3. the magnetostrictive displacement sensor is arranged, so that the position of the electric chuck can be accurately monitored, the movement amount of the spring pull rod can be conveniently and accurately controlled, and the impact force can be freely adjusted;

4. the rotary handle is rotated to drive the bidirectional screw rod to rotate, so that the sliding block is driven to move in the sliding groove, the stability of fixing the power battery is guaranteed, and the power battery is clamped at the center of the positioning assembly.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall planar structure of the present utility model;

FIG. 2 is a schematic cross-sectional plan view of the tail of the accelerating tube of the present utility model;

FIG. 3 is a schematic view of the planar structure of the back of the feeding frame of the present utility model;

FIG. 4 is a schematic cross-sectional plan view of a positioning assembly of the present utility model;

FIG. 5 is a schematic cross-sectional plan view of the control panel of the present utility model;

FIG. 6 is a schematic plan view of a conical striker according to the present utility model;

FIG. 7 is a schematic plan view of a spherical impact element according to the present utility model;

FIG. 8 is a schematic plan view of a flat plate striker according to the present utility model;

reference numerals in the drawings: 1. an explosion-proof box; 2. a door; 3. a positioning assembly; 4. an accelerating tube; 5. a support frame; 6. a cylinder frame; 7. a spring pull rod; 8. a pull ring; 9. a hydraulic telescopic rod; 10. an electric chuck; 11. a feeding port; 12. a feeding frame; 13. a handle; 14. a latch seat; 15. a positioning pin; 16. a control board; 17. magnetostrictive displacement sensor; 18. an impact head; 19. a spring; 20. a mounting hole; 21. a striker; 22. positioning holes; 23. a slide rail; 24. a chute; 25. a two-way screw rod; 26. a rotary handle; 27. a slide block; 28. a clamping plate; 29. a PLC controller; 30. a conical striker; 31. a spherical striker; 32. a flat plate striker.

Detailed Description

Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Example 1

The utility model provides the following technical scheme as shown in fig. 1, 2, 3, 4, 6, 7 and 8: the utility model provides a power battery collision experimental apparatus, includes explosion-proof box 1, and explosion-proof box 1's front side is installed chamber door 2 through the hinge, and explosion-proof box 1's one side inner wall is fixed with locating component 3, and explosion-proof box 1's opposite side center department installs accelerating tube 4, and accelerating tube 4's middle part is fixed with support frame 5, and accelerating tube 4's tail end is fixed with the spring striking piece;

a feeding opening 11 is formed in the accelerating tube 4 and positioned at the front side of the spring impact piece, a feeding frame 12 is connected in the feeding opening 11 in a sliding manner, a lifting handle 13 is arranged at the top of the feeding frame 12, mounting holes 20 are formed in the feeding frame 12 in an equidistant manner, and impact pieces 21 are fixedly clamped in the mounting holes 20;

the striker 21 includes a conical striker 30, a spherical striker 31, and a flat striker 32;

the tail end of the accelerating tube 4 is fixed with a control plate 16, and the control plate 16 is electrically connected with a spring impact piece.

Preferably, the spring striker comprises a cylinder frame 6, a spring pull rod 7, a pull ring 8, a hydraulic telescopic rod 9, an electric chuck 10, a striker 18 and a spring 19;

the inside at accelerating tube 4 is fixed with the spring pull rod 7 that passes accelerating tube 4 in striking head 18 sliding connection, the tail end of spring pull rod 7 is fixed with pull ring 8, the last spring 19 of connecting accelerating tube 4 and striking head 18 that cup joints of spring pull rod 7, the tail end of accelerating tube 4 is fixed with cylinder frame 6, install hydraulic telescoping rod 9 on cylinder frame 6, hydraulic telescoping rod 9's flexible end is fixed with electric chuck 10, hydraulic telescoping rod 9 and electric chuck 10 all with control panel 16 electric connection, open chamber door 2, fix the power battery on locating component 3, and close chamber door 2, make hydraulic telescoping rod 9 work through controlling control panel 16, drive electric chuck 10 forward clamping pull ring 8, make hydraulic telescoping rod 9 reset again, pull spring pull rod 7 and striking head 18 backward move, cause spring 19 atress compression, with conical striking piece 30, spherical striking piece 31 and flat striking piece 32 joint respectively in the inside of mounting hole 20 at last work or material rest 12, lower charging frame 12, make it slide in the inside at last material inlet 11, conveniently according to actual need with the inside of electric striking piece 21 with the electric chuck 21 of different types, make electric power battery move at the inside 21 can the high-speed to the high-speed impact experiment piece 21, the high-speed impact experiment piece 21 can take place the experiment demand at the high-speed, the high-speed impact experiment piece 21 can be realized at the control panel 21, the high-speed, the experiment piece can be changed at the inside 21, the high-speed impact experiment piece can be realized, the experiment piece is changed, the experiment piece is high-speed, the experiment piece can be realized, and the experiment 21, the experiment device can be changed, the high-speed, the experiment device is required, and the experiment device is high in the experiment device is required, and the experiment is high, and the.

Example two

Referring to fig. 1 and 3, as another preferred embodiment, a difference from the first embodiment is that a positioning hole 22 is installed below the installation hole 20 on the feeding frame 12, a latch seat 14 is installed on the side edge of the top of the accelerating tube 4 located at the feeding hole 11, a positioning pin 15 matched with the positioning hole 22 is slidably connected in the latch seat 14, and the positioning pin 15 is inserted in the positioning hole 22 on the back of the feeding frame 12, so that not only can the positioning function be achieved, but also the guiding function can be achieved, and the impacting member 21 can be located in the accelerating tube 4.

Example III

Referring to fig. 1 and 5, as another preferred embodiment, the difference from the first embodiment is that the magnetostrictive displacement sensor 17 is installed inside the cylinder frame 6, the movable magnetic ring of the magnetostrictive displacement sensor 17 is fixed on the outer wall of the electric chuck 10, the PLC controller 29 is installed inside the control board 16, the magnetostrictive displacement sensor 17 is electrically connected with the input end of the PLC controller 29, the output end of the PLC controller 29 is electrically connected with the hydraulic telescopic rod 9 and the electric chuck 10, and the magnetostrictive displacement sensor 17 is arranged, so that the position of the electric chuck 10 can be accurately monitored, the moving amount of the spring pull rod 7 can be conveniently and accurately controlled, and the impact force can be freely adjusted.

Example IV

Referring to fig. 1 and 4, as another preferred embodiment, the difference from the first embodiment is that the positioning assembly 3 includes a sliding rail 23 fixed on one side inner wall of the explosion-proof case 1, a sliding groove 24 is symmetrically provided on the sliding rail 23, a bidirectional screw 25 is rotatably connected in the sliding rail 23, two ends of the bidirectional screw 25 are engaged with a sliding block 27 sliding in the sliding groove 24, a clamping plate 28 is mounted on the top of the sliding block 27, a rotating handle 26 in transmission connection with the bidirectional screw 25 is mounted on the outer side of the sliding rail 23, and the rotating handle 26 rotates the bidirectional screw 25, thereby driving the sliding block 27 to move in the sliding groove 24, not only ensuring the stability of fixing the power battery, but also ensuring the power battery to be clamped in the center of the positioning assembly 3.

Working principle:

opening the chamber door 2, fix the power battery on locating component 3, and close chamber door 2, make hydraulic telescopic link 9 work through controlling control panel 16, drive electric chuck 10 forward movement centre gripping pull ring 8, make hydraulic telescopic link 9 reset again, pulling spring pull rod 7 and striking head 18 back move, cause spring 19 atress compression, with conical striking piece 30, spherical striking piece 31 and the inside of mounting hole 20 of flat striking piece 32 joint at last work rest 12 respectively, press down work rest 12, make it slide in the inside of feed opening 11, the convenience is according to actual experiment needs with the striking piece 21 of different grade type to the inside of accelerating tube 4, then make electric chuck 10 open through controlling control panel 16, under the reverse effort of spring 19, make striking head 18 high-speed movement strike piece 21, make striking piece 21 high-speed movement in the inside of accelerating tube 4, until strike with the power battery, the convenience quick replacement different grade type striking piece 21, can satisfy different experimental demand, can press close to the striking more realistically, promote experimental accuracy.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a power battery collision experimental apparatus, includes explosion-proof case (1), the front side of explosion-proof case (1) is through hinge mount has chamber door (2), one side inner wall of explosion-proof case (1) is fixed with locating component (3), accelerating tube (4) are installed to opposite side center department of explosion-proof case (1), the middle part of accelerating tube (4) is fixed with support frame (5), its characterized in that: a spring impact piece is fixed at the tail end of the accelerating tube (4);

a feeding opening (11) is formed in the accelerating tube (4) and located at the front side of the spring impact piece, a feeding frame (12) is connected in the feeding opening (11) in a sliding mode, a lifting handle (13) is arranged at the top of the feeding frame (12), mounting holes (20) are formed in the feeding frame (12) in an equidistant mode, and impact pieces (21) are fixedly clamped in the mounting holes (20);

the impact member (21) comprises a conical impact member (30), a spherical impact member (31) and a flat impact member (32);

the tail end of the accelerating tube (4) is fixed with a control plate (16), and the control plate (16) is electrically connected with the spring impact piece.

2. The power cell collision experiment device according to claim 1, wherein: the feeding frame is characterized in that a positioning hole (22) is arranged below the mounting hole (20) on the feeding frame (12), a clamping pin seat (14) is arranged on the side edge of the top of the accelerating tube (4) located at the feeding hole (11), and a positioning pin (15) matched with the positioning hole (22) is connected inside the clamping pin seat (14) in a sliding mode.

3. The power cell collision experiment device according to claim 1, wherein: the spring impact piece comprises an air cylinder frame (6), a spring pull rod (7), a pull ring (8), a hydraulic telescopic rod (9), an electric chuck (10), an impact head (18) and a spring (19);

the utility model discloses a hydraulic telescopic device for a car, including accelerating tube (4), striking head (18), spring pull rod (7) that pass accelerating tube (4) are fixed with to the bottom of striking head (18), the tail end of spring pull rod (7) is fixed with pull ring (8), spring pull rod (7) are last to have cup jointed spring (19) of connecting accelerating tube (4) and striking head (18), the tail end of accelerating tube (4) is fixed with cylinder frame (6), install hydraulic telescopic handle (9) on cylinder frame (6), the flexible end of hydraulic telescopic handle (9) is fixed with electric chuck (10), hydraulic telescopic handle (9) and electric chuck (10) all with control panel (16) electric connection.

4. A power cell collision test apparatus according to claim 3, wherein: the inside of cylinder frame (6) has magnetostriction displacement sensor (17), the activity magnetic ring of magnetostriction displacement sensor (17) is fixed at the outer wall of electric chuck (10), the internally mounted of control panel (16) has PLC controller (29), magnetostriction displacement sensor (17) electric connection PLC controller (29)'s input, PLC controller (29)'s output electric connection hydraulic telescoping rod (9) and electric chuck (10).

5. The power cell collision experiment device according to claim 1, wherein: the positioning assembly (3) comprises a sliding rail (23) fixed on one side inner wall of the explosion-proof box (1), sliding grooves (24) are symmetrically formed in the sliding rail (23), two-way screw rods (25) are rotatably connected in the sliding rail (23), sliding blocks (27) sliding in the sliding grooves (24) are meshed at two ends of the two-way screw rods (25), clamping plates (28) are arranged at the tops of the sliding blocks (27), and rotary handles (26) in transmission connection with the two-way screw rods (25) are arranged on the outer sides of the sliding rail (23).