CN115876421A

CN115876421A - Soft-package battery pack collision experiment platform

Info

Publication number: CN115876421A
Application number: CN202310040551.XA
Authority: CN
Inventors: 樊折红; 李永垒; 蔡洪波; 杨涛; 郝银玲; 康全猛; 姚自矿
Original assignee: Henan Lithium Power Source Co Ltd
Current assignee: Henan Lithium Power Source Co Ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-03-31
Anticipated expiration: 2043-01-12
Also published as: CN115876421B

Abstract

The invention discloses a soft package battery pack collision experiment platform, which belongs to the technical field of new energy batteries and comprises an installation platform, an impact assembly, a positioning assembly and a linkage assembly, wherein the battery pack is placed on the installation platform, the positioning assembly is arranged on the installation platform and used for positioning the battery pack, the impact assembly is arranged on the installation platform and used for applying impact force to the battery pack, and the linkage assembly is also arranged on the installation platform and the impact assembly and used for assisting the impact assembly to impact the side surface of the battery pack.

Description

Soft-package battery pack collision experiment platform

Technical Field

The invention relates to the technical field of new energy batteries, in particular to a soft-package battery pack collision experiment platform.

Background

The soft package battery cell is a battery cell which uses an aluminum plastic film as a packaging material. Relatively speaking, the package of the lithium ion battery is divided into two categories, one is a soft package battery cell, and the other is a metal shell battery cell. The metal shell battery core comprises a steel shell, an aluminum shell, a cylinder, a square and the like. The packaging material and the structure of the soft package battery enable the soft package battery to have a series of advantages, for example, the safety performance is good, the soft package battery is packaged by an aluminum plastic film structurally, and when safety problems occur, the soft package battery generally can be blown and cracked, and does not explode like a steel shell or an aluminum shell battery cell; the weight of the soft package battery is 40% lighter than that of a steel shell lithium battery with the same capacity, and is 20% lighter than that of an aluminum shell lithium battery; the internal resistance is small, the internal resistance of the soft package battery is smaller than that of a lithium battery, and the self power consumption of the battery can be greatly reduced; the cycle performance is good, the cycle life of the soft package battery is longer, and the cycle attenuation of 100 times is 4-7% less than that of an aluminum shell; the design is flexible, the appearance can be changed into any shape, the thickness can be thinner, and the novel battery cell model can be developed according to the customization of the requirements of customers. The pouch cell needs to be crash tested to verify its performance. The application of the Chinese patent application with the publication number of CN114646446A discloses a battery collision test device, which comprises a mounting seat, two collision devices and two driving devices, wherein the two collision devices are movably mounted on the mounting seat along the left-right direction and are respectively used for mounting a battery and a collision block so that the battery and the collision block can be in collision contact with each other; the two driving devices are movably arranged on the mounting seat along the left-right direction and are used for driving the two collision devices to move left and right. The battery collision test device that provides, with two equal movable mounting of collision device on the mount pad, so that two collision device can remove in opposite directions, so as to obtain the required collision velocity of satisfying the test in shorter migration distance, reduce the volume of mount pad, and then make battery collision test device have less volume, save installation space, two drive arrangement and two collision device separable sets, so two collision device's collision can not exert an influence to two drive arrangement, help protecting two drive arrangement, increase of service life. However, the device cannot change the collision angle of the battery and cannot realize the local collision test of the battery.

Disclosure of Invention

The invention aims to provide a collision experiment platform capable of carrying out multi-azimuth local test on a soft package battery pack.

Aiming at the technical problem, the technical scheme adopted by the invention is as follows: the utility model provides a laminate polymer battery group collision experiment platform, includes mount table, striking subassembly, locating component and linkage subassembly, the mount table on placed the group battery, the mount table on be provided with locating component, locating component be used for fixing a position the group battery, the mount table on be provided with the striking subassembly, the striking subassembly be used for applying the impact to the group battery, mount table and striking subassembly on still be provided with the linkage subassembly, the linkage subassembly be used for supplementary striking subassembly to strike the side of group battery.

Further, the striking subassembly include the slide rail, slide rail slidable mounting in the both sides of mount table, the slide rail on slidable mounting have the arc, the arc on be provided with the spout, the inboard slidable mounting of arc have the slide, the slide on fixed mounting have first installation pole, first installation pole run through the spout on the arc, the tip of first installation pole be provided with the impact head, the outside of arc be provided with the arc rack, first installation pole on fixed mounting have first motor, the output shaft of first motor on fixed mounting have the second gear, second gear and arc rack form gear drive.

Further, the both ends of slide rail form screw-thread fit with the lead screw respectively, the lead screw rotate and install the inside at the mount table, the output shaft fixed connection of lead screw and second motor, second motor fixed mounting in the inside of mount table, the outside of slide rail be provided with the spur rack, the arc on rotate and install first gear, the pivot of first gear stretch out the slide rail, first gear and spur rack form rack and pinion cooperation, the pivot of first gear rotate under the drive of motor.

Furthermore, the locating component comprises a first push plate which is slidably mounted on the mounting table, a first clamping plate is mounted on the first push plate through a first spring, the first push plate is in contact with the push block, the push block penetrates through the mounting table, the push block is located at one end of the mounting table and is rotatably connected with first ends of the two second hinged plates, second ends of the two second hinged plates are rotatably connected with the two hinged seats respectively, the two hinged seats are slidably mounted below the mounting table and are connected with each other through a fourth spring, the two hinged seats are rotatably mounted with first ends of the two first hinged plates respectively, the second ends of the two first hinged plates are rotatably mounted on the driving plate simultaneously, the driving plate is fixedly mounted on a movable end of the electric cylinder, and the electric cylinder is fixedly mounted below the mounting table.

Further, the mount table on be provided with the second push pedal on the position of group battery both sides respectively, the second push pedal set up with first push pedal is perpendicular, second push pedal slidable mounting on locating component, the second push pedal on install the second grip block through the third spring, the mount table at second push pedal both ends on be provided with the deflector, the mount table on still be provided with first baffle, first baffle and second push pedal between be provided with the second spring, the second push pedal pass the mount table and articulate with the first end of first connecting rod, the second end of first connecting rod articulate with the initiative board.

Furthermore, the linkage assembly on be provided with the third push pedal on the position relative with first push pedal, the third push pedal on be connected with the third grip block through the fifth spring, be located the mount table at the both ends of third push pedal on slidable mounting have the cardboard, the cardboard pass the mount table and articulate with the first end of second connecting rod, the second end of second connecting rod articulate on first connecting rod, the mount table on still be provided with the second baffle, second baffle and cardboard between be provided with the sixth spring.

Furthermore, the mount table on have a lifting table through first slide bar slidable mounting, the first end fixed mounting of first slide bar on the lifting table, fixed mounting has a lifting frame on the second end of first slide bar, the arc on fixed mounting have spacing frame, spacing frame inside slidable mounting have a lifter plate, lifter plate upper end fixed mounting have a clamp plate, clamp plate and spacing frame between be provided with the ninth spring, the lower extreme fixed mounting of lifter plate have a drive plate, the drive plate setting in lifting frame, the both sides of clamp plate be provided with the swash plate, swash plate fixed mounting in the one end of second slide bar, the other end and the second installation pole fixed mounting of second slide bar, second slide bar slidable mounting on the mount table, second installation pole and mount table between be provided with the eighth spring coaxial with the second slide bar, second installation pole tip be provided with the inserted bar, inserted bar slidable mounting in the below of mount table for realize the spacing to the lifting table.

Further, the bottom of mount table be provided with and rotate the seat, the seat of rotating on rotate and install and change the board, commentaries on classics board and rotate and be provided with the torsional spring between the seat, commentaries on classics board one end and lifting frame contact, change the board other end and the contact of lifter bottom, lifter slidable mounting between two fixed plates, fixed plate fixed mounting is in the mount table below, fixed plate and lifter bottom between be provided with the tenth spring, the mount table on be provided with the through-hole that is used for the lifter to pass.

Compared with the prior art, the invention has the beneficial effects that: (1) According to the impact assembly, the test on a plurality of point positions on the top surface and the side surface of the soft package battery pack is realized by sliding in two vertical directions and matching with the arc-shaped tracks of the arc-shaped plates, and the test range is wide; (2) The positioning assembly provided by the invention realizes clamping of the soft package battery pack in four directions by driving of a single power source, and the structure is ingenious; (3) The linkage assembly provided by the invention can automatically control the lifting platform to descend and the lifting rod to ascend when the side surface of the soft package battery pack is tested, so that the auxiliary side surface impact test is realized, and the automation degree is high.

Drawings

Fig. 1 is a schematic view (first view) of the overall structure of the present invention.

Fig. 2 is a schematic view (second view) of the overall structure of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

FIG. 5 is a schematic bottom view of the present invention.

FIG. 6 is a first partial sectional view of the mounting table of the present invention.

Fig. 7 is a partially enlarged schematic view of C in fig. 6.

Fig. 8 is a second partial structural schematic view of the mounting table of the present invention after being cut.

Fig. 9 is a third partial structural schematic view of the mounting table of the invention after being cut.

Fig. 10 is an enlarged partial view of fig. 9 at D.

Reference numerals: 1-mounting a table; 2-a battery pack; 3-an impact assembly; 301-a slide rail; 302-a spur rack; 303-a first gear; 304-an arcuate plate; 305-arc rack; 306-an impact head; 307-a second gear; 308-a first motor; 309-a first mounting bar; 310-a lead screw; 311-a second motor; 312-a sled; 4-a positioning assembly; 401-a push block; 402-a first pusher plate; 403-a first spring; 404-a first clamping plate; 405-a first baffle; 406-a second spring; 407-a guide plate; 408-a second pusher plate; 409-a third spring; 410-a second clamping plate; 411-electric cylinder; 412-an active plate; 413-a hinged seat; 414-a first hinge plate; 415-a second hinge plate; 416-a fourth spring; 417-a first link; 418-a second link; 419-a card board; 420-a third push plate; 421-fifth spring; 422-sixth spring; 423-second baffle; 424-third clamping plate; 5-a linkage assembly; 501-a lifting platform; 502-a first slide bar; 503-a seventh spring; 504-a platen; 505-a swash plate; 506-a second slide bar; 507-an eighth spring; 508-a second mounting bar; 509-lifter plate; 510-a limit frame; 511-ninth spring; 512-a drive plate; 513-a lifting frame; 514-rotating the plate; 515-a rotating seat; 516-a fixed plate; 517-tenth spring; 518-lifting rod.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.

Example (b): referring to fig. 1-10, a soft package battery pack collision experiment platform comprises a mounting table 1, an impact assembly 3, a positioning assembly 4 and a linkage assembly 5, wherein a battery pack 2 is placed on the mounting table 1, the positioning assembly 4 is arranged on the mounting table 1, the positioning assembly 4 is used for positioning the battery pack 2, the mounting table 1 is provided with the impact assembly 3, the impact assembly 3 is used for applying an impact force to the battery pack 2, the mounting table 1 and the impact assembly 3 are also provided with the linkage assembly 5, and the linkage assembly 5 is used for assisting the impact assembly 3 to impact the side surface of the battery pack 2.

As shown in fig. 1 and 6, the striking assembly 3 includes a slide rail 301, a spur rack 302, a first gear 303, an arc plate 304, an arc rack 305, an impact head 306, a second gear 307, a first motor 308, a first mounting rod 309, a lead screw 310, a second motor 311, and a slide plate 312, wherein the slide rail 301 is slidably mounted on two sides of the mounting table 1, the arc plate 304 is slidably mounted on the slide rail 301, a slide slot is provided on the arc plate 304, the slide plate 312 is slidably mounted on an inner side of the arc plate 304, the first mounting rod 309 is fixedly mounted on the slide plate 312, the first mounting rod 309 penetrates through the slide slot on the arc plate 304, the impact head 306 is provided at an end of the first mounting rod 309, the arc rack 305 is provided on an outer side of the arc plate 304, fixed mounting has first motor 308 on first installation pole 309, fixed mounting has second gear 307 on the output shaft of first motor 308, second gear 307 forms gear drive with arc rack 305, the both ends of slide rail 301 form screw-thread fit with lead screw 310 respectively, lead screw 310 rotates the inside of installing platform 1, lead screw 310 and second motor 311's output shaft fixed connection, second motor 311 fixed mounting is in the inside of installing platform 1, the outside of slide rail 301 is provided with spur rack 302, rotate on the arc 304 and install first gear 303, slide rail 301 is stretched out in the pivot of first gear 303, first gear 303 forms gear rack cooperation with spur rack 302, the pivot of first gear 303 rotates under the drive of motor.

As shown in fig. 2, 3, 4, 5, 6, 7 and 8, the positioning assembly 4 comprises a push block 401, a first push plate 402, a first spring 403, a first clamping plate 404, a first baffle 405, a second spring 406, a guide plate 407, a second push plate 408, a third spring 409, a second clamping plate 410, an electric cylinder 411, an active plate 412, a hinge seat 413, a first hinge plate 414, a second hinge plate 415, a fourth spring 416, a first connecting rod 417, a second connecting rod 418, a catch plate 419, a third push plate 420, a fifth spring 421, a sixth spring 422, a second baffle 423 and a third clamping plate 424, the first push plate 402 is slidably mounted on the mounting table 1, the first clamping plate 404 is mounted on the first push plate 402 through the first spring 403, the first push plate 402 is in contact with the push block 401, the push block 401 passes through the mounting table 1, the push block 401 is located on one end of the mounting table 1 side and is rotatably connected with first ends of the two second ends 415, the second ends of the two second hinge plates 415 are respectively rotatably connected with the two hinge seats 413, the two hinge seats 413 are slidably mounted below the mounting table 1, the two hinge seats 413 are connected with each other through a fourth spring 416, the first ends of the two first hinge plates 414 are respectively rotatably mounted on the two hinge seats 413, the second ends of the two first hinge plates 414 are simultaneously rotatably mounted on the driving plate 412, the driving plate 412 is fixedly mounted on the movable end of the electric cylinder 411, the electric cylinder 411 is fixedly mounted below the mounting table 1, the mounting table 1 is respectively provided with a second push plate 408 at two sides of the battery pack 2, the second push plate 408 is vertically arranged with the first push plate 402, the second push plate 408 is slidably mounted on the positioning assembly 4, the second push plate 408 is provided with a second clamping plate 410 through a third spring 409, the mounting table 1 at two ends of the second push plate 408 is provided with a guide plate 407, the mounting table 1 is further provided with a first baffle 405, a second spring 406 is arranged between the first baffle 405 and the second push plate 408, the second push plate 408 penetrates through the mounting table 1 and is hinged to a first end of a first connecting rod 417, a second end of the first connecting rod 417 is hinged to the driving plate 412, a third push plate 420 is arranged on the linkage assembly 5 opposite to the first push plate 402, a third clamping plate 424 is connected to the third push plate 420 through a fifth spring 421, clamping plates 419 are slidably mounted on the mounting table 1 at two ends of the third push plate 420, the clamping plates 419 penetrate through the mounting table 1 and are hinged to a first end of the second connecting rod 418, a second end of the second connecting rod 418 is hinged to the first connecting rod 417, a second baffle 423 is further arranged on the mounting table 1, and a sixth spring 422 is arranged between the second baffle 423 and the clamping plates 419.

As shown in fig. 9 and 10, the linkage assembly 5 includes a lifting platform 501, a first sliding rod 502, a seventh spring 503, a pressing plate 504, an inclined plate 505, a second sliding rod 506, an eighth spring 507, a second mounting rod 508, a lifting plate 509, a limit frame 510, a ninth spring 511, a driving plate 512, a lifting frame 513, a rotating plate 514, a rotating base 515, a fixing plate 516, a tenth spring 517 and a lifting rod 518, wherein the lifting platform 501 is slidably mounted on the mounting platform 1 through the first sliding rod 502, a third pushing plate 420 is slidably mounted on the lifting platform 501, a first end of the first sliding rod 502 is fixedly mounted on the lifting platform 501, the lifting frame 513 is fixedly mounted on a second end of the first sliding rod 502, the limit frame 510 is fixedly mounted on the arc plate 304, the lifting plate 509 is slidably mounted inside the limit frame 510, the pressing plate 504 is fixedly mounted at an upper end of the lifting plate 509, the ninth spring 511 is disposed between the pressing plate 504 and the limit frame 510, a driving plate 512 is fixedly installed at the lower end of the lifting plate 509, the driving plate 512 is arranged in a lifting frame 513, sloping plates 505 are arranged on two sides of the pressing plate 504, the sloping plates 505 are fixedly installed at one end of a second sliding rod 506, the other end of the second sliding rod 506 is fixedly installed with a second installation rod 508, the second sliding rod 506 is slidably installed on the installation platform 1, an eighth spring 507 coaxial with the second sliding rod 506 is arranged between the second installation rod 508 and the installation platform 1, an insertion rod is arranged at the end part of the second installation rod 508 and is slidably installed below the installation platform 1 for limiting the lifting platform 501, a rotating seat 515 is arranged at the bottom of the installation platform 1, a rotating plate 514 is rotatably installed on the rotating seat 515, a torsion spring is arranged between the rotating plate 514 and the rotating seat 515, one end of the rotating plate 514 is in contact with the lifting frame 513, the other end of the rotating plate 514 is in contact with the bottom of the lifting rod 518, and the lifting rod 518 is slidably installed between two fixing plates 516, the fixing plate 516 is fixedly installed below the mounting table 1, a tenth spring 517 is arranged between the fixing plate 516 and the bottom of the lifting rod 518, and a through hole for the lifting rod 518 to pass through is formed in the mounting table 1.

The invention discloses a soft package battery pack collision experiment platform which has the working principle that: when the battery pack clamping device is used, firstly, the battery pack 2 is placed on the mounting table 1, the electric cylinder 411 is started, the movable end of the electric cylinder 411 extends out, the driving plate 412 is pushed to slide below the mounting table 1, an included angle between two first hinge plates 414 rotatably mounted on the driving plate 412 is increased along with the sliding of the driving plate 412, two hinge seats 413 are pushed to slide in a direction away from each other, at the moment, the fourth spring 416 is stretched, two second hinge plates 415 pull the push block 401 to move in a direction close to the battery pack 2, the push block 401 pushes the first push plate 402, the first push plate 402 clamps the battery pack 2 in one direction through the first spring 403 and the first hinge plate 414, the two second push plates 408 are pushed to move in a direction close to the battery pack 2 through two first connecting rods 417 while the movable end of the electric cylinder 411 extends out, the second push plate 408 clamps the battery pack 2 in two directions through the third spring 409 and the second clamping plate 410, and the movable end of the electric cylinder 411 extends out, the electric cylinder 411 pulls the third push plate 420 and the fifth push plate 424 to clamp the fourth push plate 424 through the fourth push plate 417 and the fifth push plate 419.

The first motor 308 is started, the first motor 308 drives the second gear 307 to rotate, the second gear 307 drives the impact head 306 to move to a position above the battery pack 2 to be impacted under the action of the arc-shaped rack 305, the first mounting rod 309 is of a telescopic structure, when the side face of the battery pack 2 needs to be impacted, the sliding plate 312 slides to a vertical position on the arc-shaped plate 304, the sliding plate 312 contacts the two inclined plates 505 in the descending process, the two inclined plates 505 are pushed outwards, the inclined plates 505 drive the second mounting rod 508 to move outwards through the second sliding rod 506, the second mounting rod 508 drives the inserted rod to slide out from the lower side of the lifting platform 501, the limit on the lifting platform 501 is removed, the sliding plate 312 presses the pressing plate 504 as the sliding plate 312 continues to descend, the pressing plate 504 drives the lifting plate 509 to slide downwards, the driving plate 512 drives the lifting frame 513 to move downwards under the action of the lifting plate 509, the lifting frame 513 drives the lifting platform 501 to move downwards, the battery pack 2 is close to one side of the impact head 306, and the rotating plate 514 is pushed to move upwards to prevent the other side of the battery pack 518 from deviating.

Claims

1. The utility model provides a laminate polymer battery group collision experiment platform which characterized in that: including mount table (1), striking subassembly (3), locating component (4) and linkage subassembly (5), mount table (1) on placed group battery (2), mount table (1) on be provided with locating component (4), locating component (4) be used for fixing a position group battery (2), mount table (1) on be provided with striking subassembly (3), striking subassembly (3) be used for applying the impact to group battery (2), mount table (1) and striking subassembly (3) on still be provided with linkage subassembly (5), linkage subassembly (5) be used for supplementary striking subassembly (3) and strike the side of group battery (2).

2. The soft-package battery pack collision experiment platform according to claim 1, characterized in that: striking subassembly (3) include slide rail (301), slide rail (301) slidable mounting in the both sides of mount table (1), slide rail (301) go up slidable mounting have arc (304), arc (304) on be provided with the spout, arc (304) inboard slidable mounting have slide (312), slide (312) on fixed mounting have first installation pole (309), first installation pole (309) run through the spout on arc (304), the tip of first installation pole (309) be provided with and strike head (306), the outside of arc (304) be provided with arc rack (305), first installation pole (309) on fixed mounting have first motor (308), the output shaft of first motor (308) on fixed mounting have second gear (307), second gear (307) and arc rack (305) form gear drive.

3. The soft-package battery pack collision experiment platform according to claim 2, characterized in that: both ends of slide rail (301) form screw-thread fit with lead screw (310) respectively, lead screw (310) rotate and install the inside in mount table (1), output shaft fixed connection of lead screw (310) and second motor (311), second motor (311) fixed mounting in the inside of mount table (1), the outside of slide rail (301) be provided with spur rack (302), arc (304) on rotate and install first gear (303), the pivot of first gear (303) stretch out slide rail (301), first gear (303) and spur rack (302) form the rack and pinion cooperation, the pivot of first gear (303) rotate under the drive of motor.

4. The soft-package battery pack collision experiment platform according to claim 1, characterized in that: the positioning assembly (4) comprises a first push plate (402) which is slidably mounted on the mounting table (1), a first clamping plate (404) is mounted on the first push plate (402) through a first spring (403), the first push plate (402) is in contact with a push block (401), the push block (401) penetrates through the mounting table (1), the push block (401) is located at one end of the mounting table (1) and is rotatably connected with first ends of two second hinged plates (415), the second ends of the two second hinged plates (415) are rotatably connected with two hinged seats (413), the two hinged seats (413) are slidably mounted below the mounting table (1), the two hinged plates (413) are connected through a fourth spring (416), the first ends of the two first hinged plates (414) are rotatably mounted on the two hinged seats (413) respectively, the second ends of the two first hinged plates (414) are rotatably mounted on the mounting plate (412) simultaneously, and the driving plate (412) is mounted on a movable mounting table (411) of the electric cylinder (412) and is mounted below the movable mounting table (1).

5. The soft-package battery pack collision experiment platform according to claim 4, characterized in that: the utility model discloses a battery pack (2) is including mount table (1), be provided with second push pedal (408) respectively on the position that lies in battery pack (2) both sides on mount table (1), second push pedal (408) set up with first push pedal (402) are perpendicular, second push pedal (408) slidable mounting on locating component (4), second push pedal (408) on install second grip block (410) through third spring (409), mount table (1) at second push pedal (408) both ends on be provided with deflector (407), mount table (1) on still be provided with first baffle (405), first baffle (405) and second push pedal (408) between be provided with second spring (406), second push pedal (408) pass mount table (1) and first end articulated with first connecting rod (417), the second end of first connecting rod (417) articulated with initiative board (412).

6. The soft-package battery pack collision experiment platform according to claim 5, characterized in that: linkage subassembly (5) on with first push pedal (402) relative position on be provided with third push pedal (420), third push pedal (420) on be connected with third grip block (424) through fifth spring (421), be located mount table (1) at the both ends of third push pedal (420) on slidable mounting have cardboard (419), cardboard (419) pass mount table (1) and second connecting rod (418) first end articulated, the second end of second connecting rod (418) articulate on first connecting rod (417), mount table (1) on still be provided with second baffle (423), second baffle (423) and cardboard (419) between be provided with sixth spring (422).

7. The soft-package battery pack collision experiment platform according to claim 2, characterized in that: the mounting table (1) is provided with a lifting table (501) through a first sliding rod (502) in a sliding manner, a first end of the first sliding rod (502) is fixedly mounted on the lifting table (501), a second end of the first sliding rod (502) is fixedly mounted with a lifting frame (513), an arc plate (304) is fixedly mounted with a limiting frame (510), a lifting plate (509) is slidably mounted inside the limiting frame (510), the upper end of the lifting plate (509) is fixedly mounted with a pressing plate (504), a ninth spring (511) is arranged between the pressing plate (504) and the limiting frame (510), a driving plate (512) is fixedly mounted at the lower end of the lifting plate (509), the driving plate (512) is arranged in the lifting frame (513), inclined plates (505) are arranged on two sides of the pressing plate (504), the inclined plates (505) are fixedly mounted at one end of the second sliding rod (506), the other end of the second sliding rod (506) is fixedly mounted with a second mounting rod (508), the second sliding rod (506) is mounted on the mounting table (1), and an end part of the second sliding rod (508) is coaxially mounted with the second rod (508), and an inserting rod (507) is coaxially arranged between the mounting table (508), used for limiting the lifting platform (501).

8. The soft-package battery pack collision experiment platform according to claim 7, characterized in that: the bottom of mount table (1) be provided with and rotate seat (515), rotate seat (515) on rotate and install and change board (514), change board (514) and rotate and be provided with the torsional spring between seat (515), change board (514) one end and lifting frame (513) contact, change board (514) other end and lifter (518) bottom contact, lifter (518) slidable mounting between two fixed plates (516), fixed plate (516) fixed mounting is in mount table (1) below, fixed plate (516) and lifter (518) bottom between be provided with tenth spring (517), mount table (1) on be provided with the through-hole that is used for lifter (518) to pass.