CN115560996B

CN115560996B - Impact force display device for automobile anti-collision test

Info

Publication number: CN115560996B
Application number: CN202211561305.0A
Authority: CN
Inventors: 高盼; 马志雄; 唐国强
Original assignee: Yiqing Automobile Security System Suzhou Co ltd
Current assignee: Yiqing Automobile Security System Suzhou Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-14
Anticipated expiration: 2042-12-07
Also published as: CN115560996A

Abstract

The invention discloses an impact force display device for an automobile anti-collision test, which is applied to the technical field of automobile testing, wherein a display bottom plate is arranged, an experimental area is formed by matching an underframe and an inclined plate, a lower claw frame and an upper claw frame can clamp a test part under the control of a clamping screw rod by matching a metal vertical cylinder, a side cylinder and an installation frame, the test part is dragged to move through a dragging runway to achieve the effect of testing an independent vehicle part, a track component of a display mechanism is matched with a counterweight trolley, so that the force can be transmitted to the position of a rotating column of the counterweight trolley after a test vehicle is contacted with an impact plate, and the impact force of the collision test can be visually observed from the position of a pointer in a scale groove through the running distance of the counterweight trolley in an inner rail, so that the damage condition of the vehicle can be evaluated, and the impact force generated after the vehicle collides can be displayed.

Description

Impact force display device for automobile anti-collision test

Technical Field

The invention belongs to the technical field of automobile testing, and particularly relates to an impact force display device for an automobile anti-collision test.

Background

Based on the experimental scene and the testing principle of the automobile anti-collision experiment, a plurality of conditions can be met when the automobile is subjected to an anti-collision test, but the method is not limited to the following one, and more specifically, the automobile is set at a specified position before the test, is accelerated or is dragged and moved through a traction runway to impact a specified fixed obstacle, and finally the damage condition of the automobile is evaluated.

In addition, in the anti-collision test of the vehicle, the impact force generated when the vehicle is impacted cannot be visually displayed because the vehicle can only be damaged and evaluated through the damage condition of the vehicle after the impact, and the test cost of using the whole vehicle in each test is higher because the operation of independently impacting the vehicle parts is inconvenient.

Based on the two mentioned situations, the automobile anti-collision test device in the prior art is found to be difficult to avoid the problems, and even if the automobile anti-collision test device can be used for solving the problems, the automobile needs to be modified, so that the required effect can not be achieved.

Disclosure of Invention

The invention aims to provide an impact force display device for an automobile anti-collision test, which has the advantages that the impact force display device can be used for carrying out collision test on an individual automobile part and can visually display the impact force.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides an impact force display device of car anticollision test, includes the show bottom plate, the runway that pulls is installed at the top of show bottom plate, the top of pulling the runway is provided with the installation component, the top of show bottom plate has bolted the striking plate, the right side bolted of striking plate has the conduction board, the bottom bolted of show bottom plate has the chassis, the top of show bottom plate is provided with show mechanism.

Adopt above-mentioned technical scheme, through setting up the show bottom plate, as vehicle runway and structure carrier, draw the runway through setting up, can be convenient for pull the experiment vehicle or cooperate the installation component to be connected the vehicle part, the striking plate of setting is used for colliding with the vehicle, and the conduction board of setting is convenient for transmit the position of show mechanism with the impact record.

The invention is further configured to: the installation component comprises a metal vertical cylinder, a side cylinder is bolted on the right side of the metal vertical cylinder, an installation rack is bolted on the right side of the side cylinder, a lower claw rack is bolted on the bottom on the right side of the installation rack, an upper claw rack is arranged at the top of the lower claw rack, the inner side of the upper claw rack is in threaded connection with a clamping screw, and the bottom of the clamping screw is in rotary connection with the inner side of the lower claw rack.

By adopting the technical scheme, the mounting frame can be conveniently mounted by arranging the metal vertical cylinder to be matched with the side cylinder, when a vehicle component is tested, a non-impact surface of the vehicle is arranged between the upper claw frame and the lower claw frame, the upper claw frame can be moved by rotating the clamping screw rod to move towards the lower claw frame and clamp the component to be tested, so that the impact test is conveniently carried out on the independent component.

The invention is further configured to: the top of the lower claw frame is bolted with a first limiting telescopic rod, the top of the first limiting telescopic rod is bolted with the upper claw frame, and the top of the clamping screw is bolted with a rotating handle.

By adopting the technical scheme, the moving position of the upper claw frame is convenient to limit by arranging the first limiting telescopic rod, the rotation is avoided, and the rotating handle is convenient to rotate the clamping screw.

The invention is further configured to: the top of the traction runway is provided with a support, the inner side of the support is connected with the metal vertical cylinder in an inserting mode, the outer side of the support is in threaded connection with a fastening screw, and one side, close to the metal vertical cylinder, of the fastening screw is in close contact with the metal vertical cylinder.

Adopt above-mentioned technical scheme, through setting up the support for found a section of thick bamboo with the metal and draw the runway and be connected, and fasten through fastening screw, avoid taking place to connect the pine and take off, found a section of thick bamboo with the metal and can be convenient for pull the vehicle after dismantling.

The invention is further configured to: the display mechanism comprises a track assembly, a counterweight trolley is arranged at the top of the track assembly, the top of the display bottom plate is bolted with a pressing assembly, the left side of the counterweight trolley is bolted with a transmission guide pillar, and the left side of the transmission guide pillar is in contact with a transmission plate.

Adopt above-mentioned technical scheme, through setting up track subassembly, be convenient for connect counter weight dolly and show bottom plate to slide to the device right side when counter weight dolly and conduction post receive the impact force of conduction board transmission, can make things convenient for its impact force of audio-visual observation according to sliding position, when vehicle or vehicle part impact striking plate, vehicle or part are the moving mass point, striking plate and conduction board can will strike the position of transmitting the counter weight dolly and the conduction post as terminal mass point.

The invention is further configured to: the track assembly comprises an inner rail, a sliding block is connected to the inner side of the inner rail in a sliding mode, a limiting wheel is connected to the inner side of the sliding block in a rotating mode, the outer side of the limiting wheel is connected with the inner rail in a sliding mode, a damping assembly is arranged on the inner side of the inner rail, an arc-shaped block is connected to the top of the sliding block in a bolted mode, the top of the arc-shaped block is connected with the bottom of the counterweight trolley in a bolted mode, and the arc-shaped block is matched with the damping assembly in use.

Adopt above-mentioned technical scheme, through setting up inner rail cooperation sliding block and spacing wheel, carry on counter weight dolly and show bottom plate spacingly, avoid it to take place to take off and take off, the damping subassembly that sets up is used for buffering the removal of sliding block, it is not enough to carry out length measurement or experiment place to avoid being difficult to that its slip distance leads to too far, when the counter weight dolly removes, the sliding block of being connected with it together removes with spacing wheel, the arc piece that sets up can last with the striking of damping subassembly, the power that the buffering received simultaneously.

The invention is further configured to: damping subassembly includes the damping shell, the inboard of damping shell is provided with the baffle, the small opening has been seted up to the inboard of baffle, one side bolt joint that the arc piece was kept away from to the damping shell has reset spring, one side bolt joint that reset spring is close to the arc piece has the piston piece, one side bolt joint that reset spring was kept away from to the piston piece has the connecting rod, one side bolt joint that the piston piece was kept away from to the connecting rod has the cooperation piece, one side that the cooperation piece is close to the arc piece uses with the arc piece cooperation.

Adopt above-mentioned technical scheme, through setting up the damping shell, install inner structure, and as the container of damping liquid, the arc piece is in collision cooperation piece, because the arc of cooperation piece contacts with the arc of arc piece, the cooperation piece is to the position of damping shell removal, the connecting rod promotes the piston piece and together removes, the piston piece promotes inside damping liquid and passes through the small opening and flow, play the effect of buffering, reset spring promotes piston piece and connecting rod afterwards and resets, the use after the device of being convenient for.

The invention is further configured to: the utility model discloses a damping device, including baffle, piston piece, damping shell, piston piece, damping shell, the surface bolt of baffle has spacing, one side bolt joint that the connecting rod was kept away from to the piston piece has the spacing telescopic link of second, the spacing telescopic link of second sets up the inboard at reset spring, the spacing telescopic link of second keeps away from one side and damping shell bolt joint of piston piece, the inboard packing of damping shell has damping liquid.

By adopting the technical scheme, the moving position of the piston block can be conveniently limited by arranging the limiting strip, the situation that damping liquid caused by excessive movement cannot normally flow is avoided, and the reset spring can be prevented from generating large radial deformation by the aid of the second limiting telescopic rod.

The invention is further configured to: the pressing component comprises a bearing shell, a rotating column is bolted to the bottom of the inner side of the bearing shell, a rotating baffle is connected to the outer side of the rotating column in a rotating mode, a clamping spring is bolted to the surface of the rotating baffle in a bolting mode, the left side of the clamping spring is bolted to the left side of the inner side of the bearing shell, an electric telescopic rod is installed at the top of the bearing shell, the telescopic end of the electric telescopic rod is matched with the rotating baffle for use, and the surface of the rotating baffle is matched with a counterweight trolley for use.

Adopt above-mentioned technical scheme, bear the shell through setting up, install the inner structure, the rotation post that sets up can be convenient for support rotating baffle, chucking spring is used for continuously exerting pressure to rotating baffle, make rotating baffle and the wheel contact of counter weight dolly, make the conduction post of counter weight dolly contact with the conduction board all the time, and counter weight dolly removal after the impact force is applyed in the vehicle striking, rotating baffle takes place to rotate, the vehicle continues to march left, when the counter weight dolly resets, electric telescopic handle promotes rotating baffle and rotates, avoid blockking that the counter weight dolly resets.

The invention is further configured to: the front side of the counterweight trolley is provided with a pointer, the top of the display bottom plate is bolted with a scale groove, the top of the scale groove is matched with the pointer for use, and the left side of the display bottom plate is bolted with an inclined plate.

By adopting the technical scheme, the pointer is matched with the scale groove, so that the moving distance of the counterweight trolley can be observed conveniently, and the vehicle can run on the device conveniently by the inclined plate.

In conclusion, the invention has the following beneficial effects:

through setting up the show bottom plate, cooperation chassis and hang plate form the experimental area, through setting up the metal upright tube, side section of thick bamboo and mounting bracket cooperation, can make lower claw frame and last claw frame add the centre gripping to the test part under clamping screw's control, pull its removal through the traction runway, in order to play the effect to the test of individual vehicle part, the track subassembly and the cooperation of counter weight dolly of show mechanism, make can conduct the column position that rotates of counter weight dolly with power after test vehicle and striking plate contact, and can pass through the distance that the counter weight dolly traveles in the inner rail, the impact force of its collision test is observed out to the pointer position audio-visual, not only can assess the damage condition of vehicle, can also show the impact force that produces after the vehicle collision.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the display substrate of the present invention;

FIG. 3 is a schematic view of the display mechanism of the present invention;

FIG. 4 is a schematic structural view of the track assembly of the present invention;

FIG. 5 is a schematic view of the internal structure of the damping assembly of the present invention;

FIG. 6 is a schematic structural diagram of a pressing assembly according to the present invention;

FIG. 7 is a schematic view of the mounting assembly of the present invention;

FIG. 8 is a schematic view of the upper jaw frame structure of the present invention;

fig. 9 is a partial enlarged view of the invention at a in fig. 1.

Reference numerals: 1. a display base plate; 2. towing a runway; 3. mounting the component; 301. a metal vertical cylinder; 302. a side cylinder; 303. a mounting frame; 304. a lower jaw frame; 305. an upper claw frame; 306. clamping the screw rod; 4. an impact plate; 5. a conductive plate; 6. a chassis; 7. a display mechanism; 701. a track assembly; 7011. an inner rail; 7012. a slider; 7013. a limiting wheel; 7014. a damping assembly; 141. a damping housing; 142. a partition plate; 143. a leak hole; 144. a return spring; 145. a connecting rod; 146. a piston block; 147. a matching block; 7015. an arc-shaped block; 702. a counterweight trolley; 703. a pressing component; 7031. a load bearing housing; 7032. rotating the column; 7033. rotating the baffle; 7034. a chucking spring; 7035. an electric telescopic rod; 704. a guide post; 8. a first limit telescopic rod; 9. a support; 10. fastening a screw rod; 11. a pointer; 12. a scale groove; 13. an inclined plate; 14. a limiting strip; 15. a second limit telescopic rod; 16. a rotating handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1-6, an impact force display device for automobile anti-collision test comprises a display bottom plate 1, wherein a collision plate 4 is bolted to the top of the display bottom plate 1, a conduction plate 5 is bolted to the right side of the collision plate 4, an underframe 6 is bolted to the bottom of the display bottom plate 1, a display mechanism 7 is arranged at the top of the display bottom plate 1, the display bottom plate 1 serves as a vehicle runway and a structural carrier, the collision plate 4 is used for colliding with a vehicle, and the conduction plate 5 is convenient for transmitting impact records to the position of the display mechanism 7.

As shown in fig. 3, the display mechanism 7 includes a rail component 701, a counterweight trolley 702 is disposed on the top of the rail component 701, a pressing component 703 is bolted on the top of the display base plate 1, a conductive pillar 704 is bolted on the left side of the counterweight trolley 702, the left side of the conductive pillar 704 contacts with the conductive plate 5, by disposing the rail component 701, the counterweight trolley 702 and the display base plate 1 are conveniently connected, and slide to the right side of the device when the counterweight trolley 702 and the conductive pillar 704 receive an impact force transmitted by the conductive plate 5, the impact force can be conveniently and intuitively observed according to the sliding position, when a vehicle or a vehicle component impacts the impact plate 4, the vehicle or the component is a moving mass point, and the impact plate 4 and the conductive plate 5 transmit the impact to the positions of the counterweight trolley 702 and the conductive pillar 704 which are end mass points.

As shown in fig. 4, the track component 701 includes an inner rail 7011, a sliding block 7012 is slidably connected to the inner side of the inner rail 7011, a limiting wheel 7013 is rotatably connected to the inner side of the sliding block 7012, the outer side of the limiting wheel 7013 is slidably connected to the inner rail 7011, a damping component 7014 is disposed on the inner side of the inner rail 7011, an arc-shaped block 7015 is bolted to the top of the sliding block 7012, the top of the arc-shaped block 7015 is bolted to the bottom of the counterweight trolley 702, the arc-shaped block 7015 is used in cooperation with the damping component 7014, the counterweight trolley 702 and the display base plate 1 are limited by arranging the inner rail 7011 in cooperation with the sliding block 7012 and the limiting wheel 7013 to prevent the arc-shaped block 7014 from being loosened, the damping component 7014 is arranged to buffer the movement of the sliding block 7012, so as to prevent the sliding block 7012 from being difficult to measure length or insufficient in an experimental site due to an excessive sliding distance, when the counterweight trolley 702 moves, the sliding block 7012 and the limiting wheel 7013 connected to move together, and the arc-shaped block 7015 can continuously collide with the damping component 7014 and receive a buffering force.

As shown in fig. 5, the damping assembly 7014 includes a damping housing 141, a partition 142 is disposed on the inner side of the damping housing 141, a leak 143 is disposed on the inner side of the partition 142, a return spring 144 is bolted to a side of the damping housing 141 away from the arc-shaped block 7015, a piston block 146 is bolted to a side of the return spring 144 close to the arc-shaped block 7015, a connecting rod 145 is bolted to a side of the piston block 146 away from the return spring 144, a mating block 147 is bolted to a side of the connecting rod 145 away from the piston block 146, a side of the mating block 147 close to the arc-shaped block 7015 is used in cooperation with the arc-shaped block 7015, by disposing the damping housing 141, the internal structure is installed, and the damping housing serves as a container for damping fluid, when the arc-shaped block 7015 collides with the mating block 147, because the arc of the mating block 147 contacts with the arc-shaped block 7015, the mating block 147 moves to the position of the damping housing 141, the connecting rod 145 pushes the piston block 146 to move together, the damping fluid inside to flow through the leak 143, so as to achieve a buffering effect, and then the return spring 144 pushes the piston block 146 and the connecting rod 145 to be convenient for use after the device.

As shown in fig. 5, the surface of the partition 142 is bolted with a limit strip 14, one side of the piston block 146 far away from the connecting rod 145 is bolted with a second limit telescopic rod 15, the second limit telescopic rod 15 is arranged on the inner side of the return spring 144, one side of the second limit telescopic rod 15 far away from the piston block 146 is bolted with the damping shell 141, the damping liquid is filled on the inner side of the damping shell 141, through the limit strip 14, the moving position of the piston block 146 can be conveniently limited, the phenomenon that the damping liquid cannot normally flow due to excessive movement of the piston block is avoided, and the second limit telescopic rod 15 is arranged, so that the return spring 144 can be prevented from generating large radial deformation.

As shown in fig. 6, the pressing component 703 includes a bearing housing 7031, a rotating column 7032 is bolted to the bottom of the inner side of the bearing housing 7031, a rotating baffle 7033 is rotatably connected to the outer side of the rotating column 7032, a clamping spring 7034 is bolted to the surface of the rotating baffle 7033, the left side of the clamping spring 7034 is bolted to the left side of the inner side of the bearing housing 7031, an electric telescopic rod 7035 is installed at the top of the bearing housing 7031, the telescopic end of the electric telescopic rod 7035 is used in cooperation with the rotating baffle 7033, the surface of the rotating baffle 7033 is used in cooperation with a counterweight trolley 702, the internal structure is installed by providing the bearing housing 7031, the provided rotating column 7032 can conveniently support the rotating baffle 7033, the clamping spring 7034 is used for continuously applying pressure to the rotating baffle 7033, so that the rotating baffle 7033 is in contact with the wheels of the counterweight trolley 702, the conducting column 704 of the counterweight trolley 702 is always in contact with the conducting plate 5, and the counterweight trolley 702 moves after an impact force is applied by the vehicle collision, the rotating baffle 7033 rotates, and the trolley continues to travel leftward, and when the trolley 702 returns, the counterweight trolley 702 pushes the rotating baffle 7033 to prevent the rotating telescopic rod from returning.

As shown in fig. 3 and 2, a pointer 11 is arranged on the front side of the counterweight trolley 702, a scale groove 12 is bolted on the top of the display bottom plate 1, the top of the scale groove 12 is matched with the pointer 11 for use, an inclined plate 13 is bolted on the left side of the display bottom plate 1, the pointer 11 is matched with the scale groove 12, the moving distance of the counterweight trolley 702 can be conveniently observed, and the arranged inclined plate 13 can facilitate the vehicle to run onto the device.

Brief description of the use process: the vehicle is dragged or driven to the top of the display base plate 1 along the inclined plate 13, then the vehicle can be controlled to move forward or be dragged to move forward through the dragging runway 2, so that the vehicle can generate impact at the impact plate 4, the impact generated during the impact is transmitted to the conduction column 704 through the impact plate 4 and the conduction plate 5, at the moment, the counterweight trolley 702 is forced to move along the inner rail 7011 of the track assembly 701, the rotating baffle 7033 of the abutting assembly 703 is pushed during the movement, then the arc-shaped block 7015 is always in contact with and generates abutting force on the matching block 147 while the counterweight trolley 702 slides along the inner rail 7011, so that the counterweight trolley pushes the piston block 146 to move through the connecting rod 145, the piston block 146 pushes the damping liquid to pass through the leakage hole 143 and the partition plate 142 inside the damping shell 141 to achieve a buffering effect, and finally the moving distance of the counterweight trolley 702 can be observed through the relative position between the pointer 11 and the scale groove 12 to achieve a visual effect of the trolley display impact force.

Example 2:

referring to fig. 1-9, an impact force display device for automobile anti-collision test comprises a display bottom plate 1, a traction runway 2 is installed on the top of the display bottom plate 1, a mounting assembly 3 is arranged on the top of the traction runway 2, and by arranging the display bottom plate 1 as a vehicle runway and a structural carrier, by arranging the traction runway 2, it is convenient to pull an experimental vehicle or cooperate with the mounting assembly 3 to connect vehicle parts.

As shown in fig. 7, the mounting assembly 3 includes a metal upright tube 301, a side tube 302 is bolted on the right side of the metal upright tube 301, a mounting frame 303 is bolted on the right side of the side tube 302, a lower claw frame 304 is bolted on the bottom on the right side of the mounting frame 303, an upper claw frame 305 is arranged on the top of the lower claw frame 304, a clamping screw 306 is in threaded connection with the inner side of the upper claw frame 305, the bottom of the clamping screw 306 is rotatably connected with the inner side of the lower claw frame 304, the mounting frame 303 can be conveniently mounted by arranging the metal upright tube 301 to be matched with the side tube 302, a vehicle non-impact surface is arranged between the upper claw frame 305 and the lower claw frame 304 when a vehicle component is tested, and the clamping screw 306 can be rotated to move the upper claw frame 305 to the lower claw frame 304 and clamp a component to be tested, so as to conveniently perform impact test on the individual component.

As shown in fig. 7, the top of the lower jaw 304 is bolted with a first limit telescopic rod 8, the top of the first limit telescopic rod 8 is bolted with the upper jaw 305, the top of the clamping screw 306 is bolted with a rotating handle 16, the moving position of the upper jaw 305 is conveniently limited by arranging the first limit telescopic rod 8, the rotation is avoided, and the arranged rotating handle 16 is convenient for rotating the clamping screw 306.

As shown in fig. 9, a support 9 is arranged at the top of the traction runway 2, the inner side of the support 9 is inserted into the metal vertical cylinder 301, a fastening screw 10 is connected to the outer side of the support 9 through threads, one side of the fastening screw 10, which is close to the metal vertical cylinder 301, is in close contact with the metal vertical cylinder 301, and the support 9 is arranged for connecting the metal vertical cylinder 301 with the traction runway 2, fastening is performed through the fastening screw 10, connection loosening is avoided, and the metal vertical cylinder 301 can be conveniently pulled after being detached.

The using process is briefly described as follows: when a vehicle component needs to be tested, the metal upright tube 301 is inserted into the support 9, then the metal upright tube is screwed into the support 9 through the fastening screw 10, the non-impact surface of the tested part is arranged between the upper claw frame 305 and the lower claw frame 304, then the clamping screw 306 is rotated, so that the upper claw frame 305 moves towards the lower claw frame 304 and clamps the component to be tested, and the component can be driven to move and be subjected to collision test through the traction runway 2.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides an impact force display device of car anticollision test, includes show bottom plate (1), its characterized in that: a traction runway (2) is installed at the top of the display bottom plate (1), an installation component (3) is arranged at the top of the traction runway (2), an impact plate (4) is bolted at the top of the display bottom plate (1), a conduction plate (5) is bolted at the right side of the impact plate (4), an underframe (6) is bolted at the bottom of the display bottom plate (1), and a display mechanism (7) is arranged at the top of the display bottom plate (1);

the mounting assembly (3) comprises a metal vertical cylinder (301), a side cylinder (302) is bolted to the right side of the metal vertical cylinder (301), a mounting frame (303) is bolted to the right side of the side cylinder (302), a lower claw frame (304) is bolted to the bottom of the right side of the mounting frame (303), an upper claw frame (305) is arranged at the top of the lower claw frame (304), a clamping screw (306) is connected to the inner side of the upper claw frame (305) in a threaded manner, and the bottom of the clamping screw (306) is rotatably connected with the inner side of the lower claw frame (304);

the display mechanism (7) comprises a track assembly (701), a counterweight trolley (702) is arranged at the top of the track assembly (701), a pressing assembly (703) is bolted to the top of the display bottom plate (1), a transmission guide pillar (704) is bolted to the left side of the counterweight trolley (702), and the left side of the transmission guide pillar (704) is in contact with the transmission plate (5).

2. The impact force display device for the automobile anti-collision test according to claim 1, characterized in that: the top of the lower claw frame (304) is bolted with a first limiting telescopic rod (8), the top of the first limiting telescopic rod (8) is bolted with the upper claw frame (305), and the top of the clamping screw (306) is bolted with a rotating handle (16).

3. The impact force display device for the automobile anti-collision test according to claim 1, wherein: the top of traction runway (2) is provided with support (9), the inboard and the metal of support (9) found a section of thick bamboo (301) and peg graft, the outside threaded connection of support (9) has fastening screw (10), one side that fastening screw (10) are close to the metal and found a section of thick bamboo (301) in close contact with the metal.

4. The impact force display device for the automobile anti-collision test according to claim 1, wherein: the track component (701) comprises an inner rail (7011), a sliding block (7012) is connected to the inner side of the inner rail (7011) in a sliding mode, a limiting wheel (7013) is connected to the inner side of the sliding block (7012) in a rotating mode, the outer side of the limiting wheel (7013) is connected with the inner rail (7011) in a sliding mode, a damping component (7014) is arranged on the inner side of the inner rail (7011), an arc-shaped block (7015) is connected to the top of the sliding block (7012) in a bolted mode, the top of the arc-shaped block (7015) is connected with the bottom of the counterweight trolley (702) in a bolted mode, and the arc-shaped block (7015) is matched with the damping component (7014) in use.

5. The impact force display device for the automobile anti-collision test according to claim 4, wherein: damping subassembly (7014) includes damping shell (141), the inboard of damping shell (141) is provided with baffle (142), leak (143) have been seted up to the inboard of baffle (142), one side bolt joint that arc piece (7015) was kept away from in damping shell (141) has reset spring (144), one side bolt joint that reset spring (144) are close to arc piece (7015) has piston piece (146), one side bolt joint that reset spring (144) were kept away from in piston piece (146) has connecting rod (145), one side bolt joint that piston piece (146) were kept away from in connecting rod (145) has cooperation piece (147), one side that cooperation piece (147) are close to arc piece (7015) is used with arc piece (7015) cooperation.

6. The impact force display device for the automobile anti-collision test according to claim 5, wherein: the surface of the partition plate (142) is bolted with a limiting strip (14), one side, away from the connecting rod (145), of the piston block (146) is bolted with a second limiting telescopic rod (15), the second limiting telescopic rod (15) is arranged on the inner side of the return spring (144), one side, away from the piston block (146), of the second limiting telescopic rod (15) is bolted with the damping shell (141), and damping liquid is filled in the inner side of the damping shell (141).

7. The impact force display device for the automobile anti-collision test according to claim 1, wherein: support and press subassembly (703) including bearing shell (7031), the bottom bolt joint that bears shell (7031) inboard has rotated post (7032), the outside of rotating post (7032) is rotated and is connected with rotation baffle (7033), the surface bolt joint that rotates baffle (7033) has chucking spring (7034), the left side bolt joint of chucking spring (7034) and the left side of bearing shell (7031) inboard, electric telescopic handle (7035) is installed at the top of bearing shell (7031), the flexible end and the rotation baffle (7033) cooperation of electric telescopic handle (7035) are used, the surface and the cooperation of counter weight dolly (702) of rotation baffle (7033) are used.

8. The impact force display device for the automobile anti-collision test according to claim 1, wherein: the front side of counter weight dolly (702) is provided with pointer (11), the top bolt of show bottom plate (1) has connect scale groove (12), the top and the pointer (11) cooperation of scale groove (12) are used, the left side bolt of show bottom plate (1) has connect hang plate (13).