Damping simulation device for automobile crash test
By designing a multi-stage energy absorption mechanism and magnet-enhanced shock absorption simulation device for automobile collision tests, the problem of insufficient energy absorption and stability of existing devices is solved, and better shock absorption effect and test accuracy are achieved.
Patent Information
- Application Number
- CN202421134535.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-23
AI Technical Summary
The existing shock absorption simulation devices for automobile collision tests have shortcomings in energy absorption and stability, which affects the effectiveness of automobile collision tests.
A shock absorption simulation device including a multi-stage energy absorption mechanism is designed, using airbags, damping springs and cushioning pads to form a multi-stage energy absorption structure, and enhancing the energy absorption effect through magnets to ensure maximum absorption of shock power in automobile collision tests. .
It improves shock absorption and stability, ensures the accuracy and safety of automobile collision tests, and provides better shock absorption effects.
Smart Images
Figure CN222280147U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile collision simulation equipment, and in particular relates to a shock absorption simulation device for automobile collision test. Background Art
[0002] The automobile crash test is an important part of the automobile safety performance test. It simulates the impact of the vehicle in the event of an accident to evaluate the vehicle's structural integrity, occupant protection performance, and electrical safety after the collision. In order to better simulate the actual collision situation and protect the test facilities and testers, a shock-absorbing simulation device is usually used in the crash test.
[0003] At present, during the automobile collision test, a shock-absorbing simulation device is needed to evaluate the integrity of the vehicle. However, the existing shock-absorbing device cannot absorb energy well. Although it can reduce the instantaneous collision force of the car by absorbing shock, its stability is not high, which has a great impact on the collision test effect of the car. Utility Model Content
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a shock absorbing simulation device for automobile collision test, so as to solve the problem raised in the above background technology that, in the process of automobile collision test, a shock absorbing simulation device is needed to evaluate the integrity of the vehicle, but the existing shock absorbing device cannot absorb energy well. Although it plays a role in shock absorption to reduce the instantaneous collision force of the automobile, the stability is not high, which has a great impact on the collision test effect of the automobile.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shock absorption simulation device for automobile collision test, comprising a simulation base body, a mounting groove is opened on the top of the simulation base body, a support plate is arranged inside the mounting groove on the left side, a sleeve is fixedly connected to one side of the support plate, a first movable rod is slidably connected inside the sleeve, one end of the first movable rod is fixedly connected to the mounting plate, a first damping spring is fixedly connected between the sleeve and the mounting plate, a first energy absorption mechanism is arranged on one side of the mounting plate, a support frame is fixedly connected to the top of the mounting groove on the right side, a fixing rod is fixedly connected between the two supporting frames, energy absorption plates are slidably connected to the two ends of the outer side of the fixing rod, a third damping spring is fixedly connected between the energy absorption plate on the right side and the supporting frame on the right side, and a magnet is fixedly connected to one side of the energy absorption plate.
[0006] Preferably, ear plates are fixedly connected to the four corners of the outer side of the simulation base body.
[0007] Preferably, the support plate is fixedly connected to the mounting groove by bolts.
[0008] Preferably, the first damping spring is embedded in the sleeve.
[0009] Preferably, the first energy absorbing mechanism includes a frame, an airbag is fixedly connected to the inside of the frame, exhaust holes are opened on one side of the airbag, second movable rods are slidably connected at the four corners of the frame, one end of the second movable rod is fixedly connected to a shock absorbing frame, and a second damping spring is fixedly connected between the shock absorbing frame and the frame.
[0010] Preferably, the frame is fixedly connected to the mounting plate by bolts, the diameter of the exhaust hole is relatively small, and an air injection pipe is fixedly connected to the outer side of the exhaust hole.
[0011] Preferably, the second damping spring is located outside the second movable rod, and a buffer pad is fixedly connected to one side of the shock absorbing frame.
[0012] Preferably, the energy absorbing plate on the left side is fixedly connected to the outer side of the first movable rod, and the two magnets are arranged with the same polarity.
[0013] Compared with the prior art, the utility model provides a shock-absorbing simulation device for automobile collision test, which has the following beneficial effects:
[0014] 1. The utility model sets a shock absorption simulation device for automobile collision test, which is installed on the ground during use. The airbag, the second damping spring and the buffer pad provided in the first energy absorption mechanism can achieve the primary energy absorption and shock absorption effect. The secondary energy absorption mechanism composed of the sleeve, the first movable rod, the mounting plate and the first damping spring is provided. The vibration force generated will be applied to the secondary energy absorption mechanism, which can further achieve the effect of energy absorption and shock absorption. In addition, the three-stage energy absorption mechanism composed of the support frame, the fixing rod, the energy absorption plate and the third damping spring can absorb the vibration force generated by the automobile collision test to the maximum extent, so that the device has good shock absorption and stability.
[0015] 2. The utility model sets magnets, and the magnets inside the three-stage energy absorption mechanism are set with the same polarity. In this way, in actual application, if two magnetic plates or magnets have the same magnetic poles, they will push each other away, thereby further improving the shock absorption effect during the shock absorption simulation of the automobile collision test.
[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0018] Figure 1 This is a schematic diagram of the shaft side structure of one side of a shock absorption simulation device for automobile collision test proposed by the utility model;
[0019] Figure 2 This is a schematic diagram of the shaft side structure of the other side of a shock absorbing simulation device for automobile collision test proposed by the utility model;
[0020] Figure 3 This is a front view structural schematic diagram of a shock-absorbing simulation device for automobile collision test proposed by the utility model;
[0021] Figure 4 This is a top view structural schematic diagram of a shock-absorbing simulation device for automobile collision test proposed by the utility model;
[0022] Figure 5 This is a schematic diagram of the exhaust hole structure of a shock-absorbing simulation device for automobile collision test proposed by the utility model;
[0023] Figure 6 This is a cross-sectional structural diagram of a shock-absorbing simulation device for automobile collision test proposed by the utility model;
[0024] In the figure: simulation base body 1, mounting groove 2, ear plate 3, support plate 4, sleeve 5, first movable rod 6, mounting plate 7, first damping spring 8, frame 9, airbag 10, second movable rod 11, second damping spring 12, shock absorbing frame 13, buffer pad 14, exhaust hole 15, gas injection pipe 16, support frame 17, fixing rod 18, energy absorbing plate 19, third damping spring 20, magnet 21. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] See also Figure 1-6The utility model provides a technical solution: a shock absorption simulation device for automobile collision test, comprising a simulation base body 1, a mounting groove 2 is opened on the top of the simulation base body 1, a support plate 4 is arranged inside the left mounting groove 2, a sleeve 5 is fixedly connected to one side of the support plate 4, a first movable rod 6 is slidably connected inside the sleeve 5, one end of the first movable rod 6 is fixedly connected to a mounting plate 7, a first damping spring 8 is fixedly connected between the sleeve 5 and the mounting plate 7, a first energy absorption mechanism is arranged on one side of the mounting plate 7, a support frame 17 is fixedly connected to the top of the right mounting groove 2, a fixing rod 18 is fixedly connected between the two fixing rods 17, energy absorption plates 19 are slidably connected to the two ends of the outer side of the fixing rod 18, and the energy absorption plate 19 on the right and the right are fixedly connected to each other. A third damping spring 20 is fixedly connected between the support frame 17 on the side, and a magnet 21 is fixedly connected to one side of the energy absorbing plate 19. The airbag 10, the second damping spring 12 and the buffer pad 14 provided in the first energy absorbing mechanism can achieve a primary energy absorption and shock reduction effect. The secondary energy absorption mechanism composed of the sleeve 5, the first movable rod 6, the mounting plate 7 and the first damping spring 8, the vibration force generated will be applied to the secondary energy absorption mechanism, then it can further achieve the effect of energy absorption and shock reduction, and the three-stage energy absorption mechanism composed of the support frame 17, the fixed rod 18, the energy absorption plate 19 and the third damping spring 20 can absorb the vibration force generated by the automobile collision test to the maximum extent, so that the device has good shock absorption and stability.
[0027] In the present invention, preferably, ear plates 3 are fixedly connected to the four corners of the outer side of the simulation base body 1 .
[0028] In the present invention, preferably, the support plate 4 is fixedly connected to the mounting groove 2 by bolts.
[0029] In the present invention, preferably, the first damping spring 8 is embedded in the sleeve 5 .
[0030] In the utility model, preferably, the first energy absorbing mechanism includes a frame 9, an airbag 10 is fixedly connected to the inside of the frame 9, an exhaust hole 15 is opened on one side of the airbag 10, a second movable rod 11 is slidably connected at the four corners inside the frame 9, one end of the second movable rod 11 is fixedly connected to a shock absorbing frame 13, and a second damping spring 12 is fixedly connected between the shock absorbing frame 13 and the frame 9.
[0031] In the present invention, preferably, the frame 9 is fixedly connected to the mounting plate 7 by bolts, the diameter of the exhaust hole 15 is relatively small, and an air injection pipe 16 is fixedly connected to the outer side of the exhaust hole 15 .
[0032] In the present invention, preferably, the second damping spring 12 is located outside the second movable rod 11 , and a buffer pad 14 is fixedly connected to one side of the shock absorbing frame 13 .
[0033] In the present invention, preferably, the energy absorbing plate 19 on the left is fixedly connected to the outer side of the first movable rod 6, and the two magnets 21 are arranged with the same polarity.
[0034] The working principle and use process of the utility model are as follows: when in use, the simulated base body 1 serves as the basis of the entire device, and the mounting groove 2 provided thereon is used to fix the support plate 4 on the left and the support frame 17 on the right, and a sleeve 5 is fixedly connected to the support plate 4, and a first movable rod 6 is slidably connected inside the sleeve 5, and one end of the first movable rod 6 is fixedly connected to the mounting plate 7, and a first damping spring 8 is fixedly connected between the sleeve 5 and the mounting plate 7, which constitutes a secondary energy absorption mechanism, which can absorb part of the energy through the elastic deformation of the first damping spring 8 during a collision, and a first absorption spring 8 is provided on one side of the mounting plate 7. The energy absorption mechanism includes an airbag 10 fixedly connected inside the frame 9, a second movable rod 11 is slidably connected at the four corners of the frame 9, one end of the second movable rod 11 is fixedly connected to a shock absorbing frame 13, and a second damping spring 12 is fixedly connected between the shock absorbing frame 13 and the frame 9. This part constitutes a three-level energy absorption mechanism. The airbag 10 can be quickly inflated during a collision, and the elasticity of the second damping spring 12 can further absorb energy. The shock absorbing frame 13 and the buffer pad 14 can further alleviate the vibration. A support frame 17 is fixedly connected to the top of the right mounting slot 2, and a fixed rod 18 is fixedly connected between the two support frames 17. Energy absorbing plates 19 are slidably connected to the two ends of the outer side of the fixing rod 18, and a third damping spring 20 is fixedly connected between the energy absorbing plate 19 and the support frame 17. In addition, a magnet 21 is fixedly connected to one side of the energy absorbing plate 19, which constitutes a three-level energy absorbing mechanism, which can absorb the remaining vibration force through the deformation of the energy absorbing plate 19 and the elasticity of the third damping spring 20. In order to improve stability, ear plates 3 are fixedly connected to the four corners of the outer side of the simulated base body 1, and the support plate 4 is fixedly connected to the mounting groove 2 by bolts to ensure the firmness of the support. The first damping spring 8 is embedded in the sleeve 5, making the structure more compact and the frame The body 9 is fixedly connected to the mounting plate 7 by bolts, the aperture of the exhaust hole 15 is small, and an air injection pipe 16 is fixedly connected to the outside of the exhaust hole 15, which helps to control the inflation and deflation of the airbag 10. Finally, the energy absorption plate 19 on the left is fixedly connected to the outside of the first movable rod 6, and the two magnets 21 are set with the same polarity, so that they can produce a mutual attraction effect during a collision, further increasing the energy absorption effect. Through the synergistic effect of the above multi-stage energy absorption mechanism, the device can absorb the vibration force generated by the automobile collision test to the maximum extent, provide good shock absorption and stability, and ensure the accuracy and safety of the collision test.
[0035] Although 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 appended claims and their equivalents.
Claims
1. A shock-absorbing simulation device for automobile collision test, comprising a simulation base body (1), characterized in that: The simulation base body (1) is provided with a mounting groove (2) at the top, a support plate (4) is arranged inside the mounting groove (2) on the left side, a sleeve (5) is fixedly connected to one side of the support plate (4), a first movable rod (6) is slidably connected inside the sleeve (5), one end of the first movable rod (6) is fixedly connected to a mounting plate (7), a first damping spring (8) is fixedly connected between the sleeve (5) and the mounting plate (7), a first energy absorption mechanism is arranged on one side of the mounting plate (7), a support frame (17) is fixedly connected to the top of the mounting groove (2) on the right side, a fixing rod (18) is fixedly connected between the two supporting frames (17), energy absorption plates (19) are slidably connected at both ends of the outer side of the fixing rod (18), a third damping spring (20) is fixedly connected between the energy absorption plate (19) on the right side and the supporting frame (17) on the right side, and a magnet (21) is fixedly connected to one side of the energy absorption plate (19).
2. A shock absorption simulation device for automobile collision test according to claim 1, characterized in that: Ear plates (3) are fixedly connected to the four corners of the outer side of the simulation base body (1).
3. The shock absorption simulation device for automobile collision test according to claim 1, characterized in that: The support plate (4) is fixedly connected to the mounting groove (2) via bolts.
4. The shock absorption simulation device for automobile collision test according to claim 1, characterized in that: The first damping spring (8) is embedded in the interior of the sleeve (5).
5. The shock absorption simulation device for automobile collision test according to claim 1, characterized in that: The first energy absorbing mechanism comprises a frame (9), an air bag (10) is fixedly connected inside the frame (9), an exhaust hole (15) is provided on one side of the air bag (10), second movable rods (11) are slidably connected at four corners inside the frame (9), one end of the second movable rod (11) is fixedly connected to a shock absorbing frame (13), and a second damping spring (12) is fixedly connected between the shock absorbing frame (13) and the frame (9).
6. A shock absorption simulation device for automobile collision test according to claim 5, characterized in that: The frame (9) is fixedly connected to the mounting plate (7) by means of bolts; the diameter of the exhaust hole (15) is relatively small; and an air injection pipe (16) is fixedly connected to the outside of the exhaust hole (15).
7. The shock absorption simulation device for automobile collision test according to claim 5, characterized in that: The second damping spring (12) is located outside the second movable rod (11), and a buffer pad (14) is fixedly connected to one side of the shock absorbing frame (13).
8. The shock absorption simulation device for automobile collision test according to claim 1, characterized in that: The energy absorbing plate (19) on the left side is fixedly connected to the outer side of the first movable rod (6), and the two magnets (21) are arranged with the same polarity.