Automobile head collision detection equipment

By designing multiple sets of cross hollow frames and magnetic moving structures of magnetic parts, the collision test of simulating the head parts of the car without using the entire vehicle is realized, and the problem that existing equipment cannot detect and simulate actual impacts separately is solved, and the realization of the realization of the existing equipment is realized. The debris after the impact of the parts were separated and cleaned in time.

CN119269135AActive Publication Date: 2025-01-07CHANGCHUN AUTOMOBILE IND INST
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Patent Information

Application Number
CN202411774771.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-01-07
Estimated Expiration
2044-12-05

AI Technical Summary

Technical Problem

Existing automobile collision detection equipment cannot simulate actual collision tests without using the entire vehicle, and cannot detect the collision of automobile head parts separately, which has limitations and difficulties in mixed impacts.

Method used

A car head collision detection equipment was designed, using multiple sets of cross hollow frames, dual-track rotary docking structures and magnetic moving structures of magnetic parts. The suspended movement and impact simulation of parts is achieved through magnetic suction and motor drive, simulating the vehicle on the road. When moving and hitting randomly, the debris after the impact fall to the ground under gravity, making it easier to clean.

Benefits of technology

It realizes the collision test of the head parts of the car without using the entire vehicle, which can effectively detect the impact of the parts, and enables the impact fragments to be separated from the parts in a timely manner through the magnetic moving structure, which is convenient for cleaning.

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Abstract

The invention relates to the technical field of automobile collision detection, in particular to automobile head collision detection equipment which comprises a plurality of groups of cross-shaped hollow frames, two adjacent groups of cross-shaped hollow frames are detachably connected through double-thread screws and nuts, and the automobile head collision detection equipment further comprises a plurality of groups of height reduction connecting assemblies connected with the cross-shaped hollow frames. The double-rail rotating butt joint structure is connected with the cross-shaped hollow frame; the magnetic part magnetic moving structure is connected with the grooved rail, the magnetic part magnetic moving structure comprises a moving part, a deflection magnetic attraction assembly is installed at the lower end of the moving part, and the deflection magnetic attraction assembly is connected with a balancing weight; and the along-rail electrifying assembly is mounted between the double-rail rotating butt joint structure and the moving part. On one hand, the situation that a vehicle moves on a road and collides randomly is simulated, on the other hand, fragments generated by collision fall to the ground in the mode that the automobile head part is moved in a suspended mode and collided, sweeping is facilitated, and meanwhile the fragments generated by collision can be separated from the automobile head part in time.
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Description

Technical Field

[0001] The invention relates to the technical field of automobile collision detection, in particular to an automobile head collision detection device. Background Art

[0002] Before assembling a car, in order to ensure the integrity of parts that are easily impacted after an impact, it is often necessary to conduct separate impact tests on the parts before the car parts are assembled. Generally, the integrity and deformation of the parts after the impact are used to judge.

[0003] Generally, the parts of a vehicle that are easily hit are mostly distributed at the front of the car, such as the bumper. Existing equipment often uses a one-way moving impact object on the assembled car indoors to reflect the car's anti-deformation ability. It is completely unable to perform collision detection on a single part, and various parts are mixed and collided into a mass, which sometimes makes it impossible for personnel to distinguish the parts after the collision. Existing equipment is even more unable to perform impact tests that simulate actual conditions without using the entire vehicle. The existing equipment has too many limitations. Summary of the invention

[0004] The object of the present invention is to provide a vehicle head collision detection device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: An automobile head collision detection device comprises a plurality of cross hollow frames, two adjacent cross hollow frames are detachably connected by double-headed screws and nuts, a cavity is provided in the middle of the cross hollow frames, and further comprises: A plurality of height-lowering connection components connected to the cross hollow frame, the height-lowering connection components are used to hang the cross hollow frame; A double-track rotating docking structure connected to a cross hollow frame, the double-track rotating docking structure includes four sets of parallel tracks on the cross hollow frame, the four sets of parallel tracks are arranged at equal angles with the center of the hollow frame as the center of the circumferential distribution, the parallel tracks include two sets of groove rails fixedly connected to the cross hollow frame, the extension directions of the two sets of groove rails are parallel to each other, a fixed frame is fixedly installed in the middle of the cross hollow frame, the fixed frame is fixedly connected to a reversing relay assembly, and the reversing relay assembly is used to connect two sets of groove rails that are directly opposite and adjacent to each other; A magnetic moving structure of a magnetic component connected to the groove rail, wherein the magnetic moving structure of the magnetic component includes a moving part adapted to the groove rail, a deflection magnetic attraction component is installed at the lower end of the moving part, the deflection magnetic attraction component is used to magnetically attract the head parts of the automobile to be hit, and the deflection magnetic attraction component is connected to a counterweight block; The along-track power supply component is installed between the double-track rotating docking structure and the moving part, and the along-track power supply component is used to provide real-time power supply to the moving part.

[0006] As a further improvement of the present invention: the height-lowering connection assembly includes two groups of convex shaft brackets clamped with the cross hollow frame, the convex shaft brackets are fixedly connected with multiple groups of connecting rods arranged in parallel, the connecting rods are iron or steel structures, and the multiple groups of connecting rods on the same convex shaft bracket are fixedly connected with a top mounting frame.

[0007] As a further improvement scheme of the present invention: the moving part includes a car body, the car body is fixedly connected to a first double-output shaft motor, the output end of the first double-output shaft motor is fixedly connected to a driving wheel, the car body is connected to a driven wheel through a wheel axle, the driving wheel and the driven wheel are both adapted to the groove rail, and the along-track power supply component and the deflection magnetic attraction component are both connected to the car body.

[0008] As a further improvement of the present invention: the track-side power supply component includes two groups of elastic telescopic frames connected to the vehicle body, the movable ends of the elastic telescopic frames are insulating, the movable ends of the elastic telescopic frames are fixedly connected with conductive sheets, the reversing relay component and the groove rail are fixedly connected with two groups of conductive strips arranged side by side, and the conductive strips are respectively connected with two electrodes of an external power supply.

[0009] As a further improvement of the present invention: the deflection magnetic attraction assembly includes a second motor fixedly installed on the lower part of the vehicle body, the output shaft of the second motor is coaxially fixedly connected to a rotating frame, the rotating frame is fixedly connected to an isolation frame fixedly connected to the counterweight block, the isolation frame is fixedly connected to the counterweight block, an independent power supply is fixedly installed in the isolation frame, the independent power supply is electrically connected to the conductive sheet, the rotating frame is hinged with an electric telescopic rod, the end of the electric telescopic rod away from the rotating frame is hinged with a magnetic suction head, and the magnetic suction head is used to magnetically attract ferromagnetic automobile head parts.

[0010] As a further improvement scheme of the present invention: the reversing relay assembly includes a first motor fixedly connected to a fixed frame, the output shaft of the first motor is fixedly connected to a rotating disk, and two sets of relay rails arranged in parallel are fixedly installed on the side of the rotating disk away from the first motor, the port cross-section of the relay rail is adapted to the port cross-section of the groove rail, and each set of relay rails is fixedly connected to two sets of conductive strips.

[0011] As a further improvement scheme of the present invention: the car body is fixedly connected to a motor seat, the motor seat is fixedly connected to a second double-output shaft motor, the output end of the second double-output shaft motor is fixedly connected to a screw, the screw is threadedly connected to a double-head frame, the motor seat is fixedly connected to two symmetrically arranged groups of guide frames, the guide frames are slidably connected to the double-head frames, the car body is fixedly connected to two groups of hollow sleeves, two symmetrically arranged groups of friction heads are slidably installed on the hollow sleeves, a spring is installed between the hollow sleeves and the friction heads, and the friction heads are fixedly connected to a ramp block slidably connected to the double-head frame.

[0012] Compared with the prior art, the present invention has the following beneficial effects: When in use, multiple groups of moving parts are installed in the groove rails in advance, and then the deflection magnetic suction assembly is used to magnetically absorb the automobile head parts to be tested, and then the deflection magnetic suction assembly adjusts the orientation angle of the automobile head parts, and then the moving part moves along the groove rails, during which the moving part is provided with guidance and driven to rotate and change direction, so that the moving part moves to different groove rails on the same cross hollow frame to assist the moving part in changing tracks and changing directions. The moving part drives the deflection magnetic suction assembly to move, so that each group of suspended automobile head parts moves along different tracks and different speeds in the air, during which the automobile head parts collide, and the impacted fragments fall to the ground under the action of gravity. The present invention simulates the situation that the vehicle moves and collides randomly on the road by cooperating with the magnetic moving structure of the magnetic parts, and on the other hand, by suspending and moving the automobile head parts and colliding, the fragments generated by the collision are timely separated and fall to the ground under the action of gravity, which is convenient for cleaning and also convenient for the fragments generated by the collision to be separated from the automobile head parts in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the three-dimensional structure of the cross hollow frame, the double-track rotating docking structure, and the magnetic moving structure of the magnetic parts of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the magnetic moving structure of the magnetic component of the present invention; Figure 4 It is a structural schematic diagram of the magnetic moving structure of the magnetic component of the present invention; Figure 5 It is a three-dimensional structural schematic diagram of the magnetic moving structure of the magnetic component of the present invention from another perspective; Figure 6 It is a schematic diagram of the three-dimensional structure of the motor base, the second double-output shaft motor, the guide frame, and the screw rod of the present invention; Figure 7 It is a schematic diagram of the three-dimensional structure of the rotating disk, relay track and conductive strip of the present invention.

[0014] In the figure: 1. cross hollow frame; 2. lowering connection assembly; 3. double-track rotating docking structure; 4. parallel track; 5. grooved rail; 6. fixed frame; 7. reversing relay assembly; 8. first motor; 9. rotating disk; 10. relay track; 11. magnetic moving structure of magnetic parts; 12. moving part; 13. deflection magnetic suction assembly; 14. counterweight; 15. along-track power supply assembly; 16. convex shaft bracket; 17. connecting rod; 18. top mounting frame; 19. vehicle body; 20. First double-output shaft motor; 21. Driving wheel; 22. Axle; 23. Driven wheel; 24. Elastic telescopic frame; 25. Conductive sheet; 26. Conductive strip; 27. Second motor; 28. Rotating frame; 29. ​​Isolation frame; 30. Independent power supply; 31. Magnetic head; 32. Electric telescopic rod; 36. Motor seat; 37. Second double-output shaft motor; 38. Guide frame; 39. Screw; 40. Double-head frame; 41. Hollow sleeve; 42. Friction head; 43. Inclined block. DETAILED DESCRIPTION

[0015] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0016] Example 1, see Figure 1 to Figure 7 As shown, a vehicle head collision detection device includes a plurality of cross hollow frames 1, two adjacent cross hollow frames 1 are detachably connected by double-headed screws and nuts, a cavity is opened in the middle of the cross hollow frame 1, and further includes: A plurality of height-lowering connection components 2 connected to the cross hollow frame 1, the height-lowering connection components 2 are used to suspend the cross hollow frame 1; A double-track rotating docking structure 3 connected to the cross hollow frame 1, the double-track rotating docking structure 3 includes four sets of parallel tracks 4 on the cross hollow frame 1, the four sets of parallel tracks 4 are arranged at equal angles with the center of the hollow frame as the center of the circumferential distribution, the parallel tracks 4 include two sets of groove rails 5 fixedly connected to the cross hollow frame 1, the extension directions of the two sets of groove rails 5 are parallel to each other, a fixed frame 6 is fixedly installed in the middle of the cross hollow frame 1, the fixed frame 6 is fixedly connected to a reversing relay assembly 7, and the reversing relay assembly 7 is used to connect two sets of groove rails 5 that are directly opposite and adjacent to each other; A magnetic component magnetic moving structure 11 connected to the groove rail 5, wherein the magnetic component magnetic moving structure 11 comprises a moving part 12 adapted to the groove rail 5, a deflection magnetic attraction component 13 is installed at the lower end of the moving part 12, and the deflection magnetic attraction component 13 is used to magnetically attract the head parts of the automobile to be hit, and the deflection magnetic attraction component 13 is connected to a counterweight block 14; The track-side power supply component 15 is installed between the double-track rotating docking structure 3 and the moving part 12 , and the track-side power supply component 15 is used to provide real-time power supply to the moving part 12 .

[0017] When in use, multiple groups of moving parts 12 are pre-installed in the groove rail 5, and then the deflection magnetic attraction component 13 is used to magnetically attract the automobile head parts to be tested, and then the deflection magnetic attraction component 13 adjusts the orientation angle of the automobile head parts, and then the moving part 12 moves along the groove rail 5. During this period, the moving part 12 is guided and driven to rotate and reverse, so that the moving part 12 moves to different groove rails 5 on the same cross hollow frame 1 to assist the moving part 12 in changing tracks and reversing directions. The moving part 12 drives the deflection magnetic attraction component 13 to move, so that each group of suspended automobile head parts moves in the air along different trajectories and different speeds. During this period, the automobile head parts collide, and the collision fragments fall to the ground under the action of gravity. The present invention uses a double-track rotating docking structure 3 and a magnetic moving structure 11 of a magnetic component to simulate, on the one hand, the situation of a vehicle moving and randomly colliding on a road; on the other hand, by moving and colliding the head parts of the car in mid-air, the fragments generated by the collision are promptly separated and fall to the ground under the action of gravity, which is convenient for cleaning and also facilitates the timely separation of the fragments generated by the collision from the head parts of the car.

[0018] In one case of this embodiment, the height-lowering connection assembly 2 includes two groups of convex shaft brackets 16 clamped with the cross hollow frame 1, and the convex shaft brackets 16 are fixedly connected with multiple groups of connecting rods 17 arranged in parallel, and the connecting rods 17 are iron or steel structures. The multiple groups of connecting rods 17 on the same convex shaft bracket 16 are commonly fixedly connected with a top mounting frame 18. Under normal circumstances, the top mounting frame 18 is connected to the top of the inspection plant using a screw member. At this time, under the connection of the connecting rods 17 and the clamping of the convex shaft brackets 16 to the cross hollow frame 1, the cross hollow frame 1 is suspended in the air.

[0019] In one case of this embodiment, the moving part 12 includes a car body 19, the car body 19 is fixedly connected with a first double-shaft motor 20, the output end of the first double-shaft motor 20 is fixedly connected with a driving wheel 21, the car body 19 is connected with a driven wheel 23 through a wheel axle 22, the driving wheel 21 and the driven wheel 23 are both adapted to the groove rail 5, and the rail-powered assembly 15 and the deflection magnetic attraction assembly 13 are both connected to the car body 19. The first double-shaft motor 20 is used to drive the driving wheel 21 to rotate, and when the driving wheel 21 moves on the groove rail 5 or the reversing relay assembly 7, the car body 19 drives the deflection magnetic attraction assembly 13 to move, thereby moving the automobile head parts magnetically attracted by the deflection magnetic attraction assembly 13.

[0020] In one case of this embodiment, the track-side power supply component 15 includes two groups of elastic telescopic frames 24 connected to the vehicle body 19, the movable end of the elastic telescopic frame 24 is insulating, and the movable end of the elastic telescopic frame 24 is fixedly connected to a conductive sheet 25, and the reversing relay component 7 and the groove rail 5 are both fixedly connected to two groups of conductive strips 26 arranged side by side, and the conductive strips 26 are respectively connected to the two electrodes of the external power supply. The current of the external power supply supplies power to the conductive sheet 25 through the conductive strips 26, and the conductive sheet 25 supplies power to the deflection magnetic suction component 13 and the first double-output shaft motor 20, so as to realize the independent power supply operation of the magnetic component magnetic moving structure 11, and avoid the magnetic component magnetic moving structure 11 from being affected in movement due to pulling the wires.

[0021] In one case of this embodiment, the deflection magnetic attraction component 13 includes a second motor 27 fixedly installed on the lower part of the vehicle body 19, the output shaft of the second motor 27 is coaxially fixedly connected to a rotating frame 28, the rotating frame 28 is fixedly connected to an isolation frame 29 fixedly connected to the counterweight block 14, the isolation frame 29 is fixedly connected to the counterweight block 14, an independent power supply 30 is fixedly installed in the isolation frame 29, the independent power supply 30 is electrically connected to the conductive sheet 25, the rotating frame 28 is hinged with an electric telescopic rod 32, and the end of the electric telescopic rod 32 away from the rotating frame 28 is hinged with a magnetic suction head 31, and the magnetic suction head 31 is used to magnetically attract ferromagnetic automobile head parts. The second motor 27 is used to drive the rotating frame 28 to rotate. The rotating rotating frame 28 drives the magnetic head 31 to rotate through the isolation frame 29. The electric telescopic rod 32 drives the magnetic head 31 to adjust the pitch angle by automatically extending and retracting, thereby adjusting the direction of the magnetic head 31, and then adjusting the direction of the car head parts to adjust the collision angle of the two groups of car head parts.

[0022] In one case of this embodiment, the reversing relay assembly 7 includes a first motor 8 fixedly connected to a fixed frame 6, the output shaft of the first motor 8 is fixedly connected to a rotating disk 9, and two sets of parallel relay rails 10 are fixedly installed on the side of the rotating disk 9 away from the first motor 8, the port cross-section of the relay rail 10 is adapted to the port cross-section of the groove rail 5, and each set of relay rails 10 is fixedly connected to two sets of conductive strips 26. The first motor 8 drives the rotating disk 9 to rotate, so that the relay rails 10 are docked with different groove rails 5, and when the moving part 12 moves to the relay rail 10, the moving part 12 rotates with the relay rail 10, so that the moving part 12 can perform reversing movement.

[0023] Embodiment 2, based on embodiment 1, refer to Figure 3 to Figure 6The car body 19 is fixedly connected to a motor seat 36, and the motor seat 36 is fixedly connected to a second double-output shaft motor 37. The output end of the second double-output shaft motor 37 is fixedly connected to a screw 39, and the screw 39 is threadedly connected to a double-head frame 40. The motor seat 36 is fixedly connected to two groups of symmetrically arranged guide frames 38, and the guide frames 38 are slidably connected to the double-head frame 40. The car body 19 is fixedly connected to two groups of hollow sleeves 41, and two groups of symmetrically arranged friction heads 42 are slidably installed on the hollow sleeves 41. A spring is installed between the hollow sleeves 41 and the friction heads 42, and the friction heads 42 are fixedly connected to a ramp block 43 slidably connected to the double-head frame 40. The second double-output shaft motor 37 drives the screw 39 to rotate, and the rotating screw 39 drives the double-head frame 40 and the guide frame 38 to move relative to each other. The double-head frame 40 presses the inclined surface block 43, so that the inclined surface block 43 drives the friction head 42 to apply braking force to the driving wheel 21 and the driven wheel 23 to prevent the moving part 12 from moving, simulating the situation when the vehicle brakes.

[0024] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An automobile head collision detection device, comprising a plurality of cross hollow frames, two adjacent cross hollow frames are detachably connected by double-headed screws and nuts, a cavity is opened in the middle of the cross hollow frame, and further comprising: A plurality of height-lowering connection components connected to the cross hollow frame, the height-lowering connection components are used to hang the cross hollow frame; A double-track rotating docking structure connected to a cross hollow frame, the double-track rotating docking structure includes four sets of parallel tracks on the cross hollow frame, the four sets of parallel tracks are arranged at equal angles with the center of the hollow frame as the center of the circumferential distribution, the parallel tracks include two sets of groove rails fixedly connected to the cross hollow frame, the extension directions of the two sets of groove rails are parallel to each other, a fixed frame is fixedly installed in the middle of the cross hollow frame, the fixed frame is fixedly connected to a reversing relay assembly, and the reversing relay assembly is used to connect two sets of groove rails that are directly opposite and adjacent to each other; A magnetic moving structure of a magnetic component connected to the groove rail, wherein the magnetic moving structure of the magnetic component includes a moving part adapted to the groove rail, a deflection magnetic attraction component is installed at the lower end of the moving part, the deflection magnetic attraction component is used to magnetically attract the head parts of the automobile to be hit, and the deflection magnetic attraction component is connected to a counterweight block; The along-track power supply component is installed between the double-track rotating docking structure and the moving part, and the along-track power supply component is used to provide real-time power supply to the moving part.

2. The vehicle head collision detection device according to claim 1, characterized in that: The height-lowering connection assembly includes two groups of convex shaft brackets clamped with a cross hollow frame, the convex shaft brackets are fixedly connected with multiple groups of connecting rods arranged in parallel, the connecting rods are iron or steel structures, and the multiple groups of connecting rods on the same convex shaft bracket are fixedly connected with a top mounting frame.

3. The vehicle head collision detection device according to claim 1, characterized in that: The moving part includes a car body, the car body is fixedly connected to a first double-output shaft motor, the output end of the first double-output shaft motor is fixedly connected to a driving wheel, the car body is connected to a driven wheel through a wheel axle, the driving wheel and the driven wheel are both adapted to the groove rail, and the along-track power supply component and the deflection magnetic attraction component are both connected to the car body.

4. The vehicle head collision detection device according to claim 3, characterized in that: The track-side power supply component includes two groups of elastic telescopic frames connected to the vehicle body, the movable ends of the elastic telescopic frames are insulating, the movable ends of the elastic telescopic frames are fixedly connected with conductive sheets, the reversing relay component and the groove rail are both fixedly connected with two groups of conductive strips arranged side by side, and the conductive strips are respectively connected with two electrodes of an external power supply.

5. The automobile head collision detection device according to claim 4, characterized in that: The deflection magnetic attraction component includes a second motor fixedly installed on the lower part of the vehicle body, the output shaft of the second motor is coaxially fixedly connected to a rotating frame, the rotating frame is fixedly connected to an isolation frame fixedly connected to the counterweight block, the isolation frame is fixedly connected to the counterweight block, an independent power supply is fixedly installed in the isolation frame, the independent power supply is electrically connected to the conductive sheet, the rotating frame is hinged with an electric telescopic rod, the end of the electric telescopic rod away from the rotating frame is hinged with a magnetic suction head, and the magnetic suction head is used to magnetically attract ferromagnetic automobile head parts.

6. The automobile head collision detection device according to claim 4, characterized in that: The reversing relay assembly includes a first motor fixedly connected to a fixed frame, the output shaft of the first motor is fixedly connected to a rotating disk, and two sets of relay rails arranged in parallel are fixedly installed on a side of the rotating disk away from the first motor, the port cross-section of the relay rails is adapted to the port cross-section of the groove rails, and each set of relay rails is fixedly connected to two sets of conductive strips.

7. The vehicle head collision detection device according to claim 3, characterized in that: The vehicle body is fixedly connected with a motor seat, the motor seat is fixedly connected with a second double-output shaft motor, the output end of the second double-output shaft motor is fixedly connected with a screw, the screw is threadedly connected with a double-head frame, the motor seat is fixedly connected with two groups of symmetrically arranged guide frames, the guide frames are slidably connected to the double-head frames, the vehicle body is fixedly connected with two groups of hollow sleeves, two groups of symmetrically arranged friction heads are slidably installed on the hollow sleeves, a spring is installed between the hollow sleeves and the friction heads, and the friction heads are fixedly connected with an inclined block slidably connected to the double-head frame.

Citation Information

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