Horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag point explosion test

Abstract

The utility model relates to a horizontal and vertical movement mechanism for whole vehicle pedestrian protection and air bag point explosion test, adopt the horizontal traction mechanism of setting in the one side of horizontal moving platform, set up the lifting platform in the rear side of horizontal traction mechanism, set up the lifting device below the lifting platform, horizontal traction mechanism is hauled to horizontal moving platform, and the lifting device lifts the car, realize the stable, accurate transfer of vehicle from ground to test platform, can improve the efficiency and accuracy of test, better assess the performance of pedestrian protection equipment. The utility model has the function that the horizontal moving platform upper surface is flush with the ground in the pit installation liftable platform can make the car drive into the platform, adopts the screw rod type screw rod (with self -locking) more reliable, the screw rod cooperation unilateral double scissors support structure passes through the multi -support point dispersion stress, significantly reduces the single point stress concentration, is stable in operation with hydraulic system, anti -vibration, maintenance cost is lower and the like characteristics.

Description

Technical Field

[0001] Embodiments of this utility model relate to a horizontal and vertical movement mechanism for a walk-in environmental chamber used in vehicle pedestrian protection and airbag deployment tests, and particularly to a horizontal and vertical movement mechanism for vehicle pedestrian protection and airbag deployment tests. Background Technology

[0002] To conduct comprehensive and accurate testing of the entire vehicle on the test platform, it is essential to smoothly transfer the vehicle from the ground to the test platform or vice versa. Traditional vehicle transfer methods, such as direct towing or vehicle towing, may suffer from inefficiency, inaccurate positioning, and may also affect the quality and efficiency of pedestrian protection equipment testing. Utility Model Content

[0003] The purpose of this invention is to provide a highly efficient, accurately positioned, and smoothly transferred horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing.

[0004] To achieve the above objectives, this utility model provides a horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing, comprising:

[0005] Horizontal moving platform;

[0006] A horizontal traction mechanism is provided on one side of the horizontal moving platform.

[0007] A lifting platform is provided on the rear side of the horizontal traction mechanism;

[0008] A lifting device is installed below the lifting platform; the horizontal traction mechanism pulls the vehicle to the horizontal moving platform, and the lifting device lifts and lowers the vehicle.

[0009] Furthermore, in the horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, the horizontal moving platform is located on one side of the walk-in environmental chamber.

[0010] Furthermore, in the horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, several guide rails are fixed inside the walk-in environmental chamber, and the guide rails extend to the horizontal moving platform.

[0011] Furthermore, in the horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, one end of the horizontal traction mechanism is connected to the front of the vehicle.

[0012] Furthermore, in the horizontal and vertical movement mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, the horizontal traction mechanism is located in the middle position of the lifting platform.

[0013] Furthermore, in the horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, the horizontal traction mechanism further includes:

[0014] A traction block is positioned below the lifting platform and on the axis of the horizontal traction mechanism; the traction block is conveyed by a ring transmission.

[0015] A connecting rod, one end of which is movably connected to the traction block;

[0016] A shock-absorbing tube is connected to one end of the connecting rod at the other end, and a spring is installed inside the shock-absorbing tube; it serves to absorb shocks.

[0017] A connecting block is movably connected to one end of the other end of the shock absorber tube; the other end of the connecting block is fixed to the vehicle.

[0018] Furthermore, in the horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, there are two lifting devices, which are respectively arranged on both sides of the lifting platform.

[0019] Furthermore, in the horizontal and vertical movement mechanisms for vehicle pedestrian protection and airbag deployment testing described in this utility model, any one of the lifting devices includes:

[0020] The base is provided at the bottom of the lifting device;

[0021] A scissor brace is movably connected to each of the four legs of the base;

[0022] A lifting mechanism, the bottom of which is fixed on the base; the upper part of which is movably connected to the lifting platform;

[0023] Protective rods are located on both sides of the lifting mechanism, with one end of the protective rod fixed to the base.

[0024] Furthermore, in the horizontal and vertical movement mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, the lifting mechanism further includes:

[0025] A speed reducer, with its housing fixed to the base;

[0026] A servo motor is connected to the output shaft of the servo motor at the input end of the reducer;

[0027] The T-shaped gearbox is connected to the input shaft of the T-shaped gearbox via a coupling at the output end of the reducer;

[0028] The first drive link is connected to one end of the first drive link via a coupling on one side of the T-shaped gearbox;

[0029] The second drive link is connected to one end of the second drive link via a coupling on the other side of the T-shaped gearbox;

[0030] The first screw jack has one end of the first drive link connected to the input end of the first screw jack; one end of the lead screw on the first screw jack is fixed below the lifting platform.

[0031] Similarly, in the second screw jack, the other end of the second drive linkage is connected to the input end of the second screw jack; one end of the lead screw on the second screw jack is fixed below the lifting platform.

[0032] Furthermore, in the horizontal and vertical movement mechanism for vehicle pedestrian protection and airbag deployment testing described in this utility model, the first end of the scissor brace is movably connected to a bracket on one side of the base; the second end of the scissor brace is movably connected to a bracket on the same side of the base via a roller.

[0033] The third end of the scissor brace is movably connected to a bracket on one side of the lifting platform; the fourth end of the scissor brace is movably connected to a bracket on the same side of the lifting platform via a roller.

[0034] Compared with the prior art, the implementation of this utility model adopts a horizontal traction mechanism on one side of the horizontal moving platform; a lifting platform on the rear side of the horizontal traction mechanism; and a lifting device below the lifting platform. The horizontal traction mechanism pulls the vehicle to the horizontal moving platform, and the lifting device lifts the vehicle. This utility model uses a walk-in environmental chamber for vehicle pedestrian protection and airbag deployment testing, employing horizontal and vertical movement mechanisms to achieve smooth and accurate vehicle transfer from the ground to the test platform, improving testing efficiency and accuracy, and better evaluating the performance of pedestrian protection equipment. This utility model features a liftable platform installed in a pit, allowing the upper surface of the horizontal moving platform to be flush with the ground for easy vehicle entry; the use of a screw-type lead screw (with self-locking) enhances reliability; the lead screw, combined with a single-sided double scissor brace structure, distributes force through multiple support points, significantly reducing single-point stress concentration; and compared to hydraulic systems, it offers stable operation, vibration resistance, and lower maintenance costs. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the horizontal moving platform of this utility model, which is level with the ground.

[0036] Figure 2 This is a schematic diagram of the structure of this utility model that meets the test height requirement;

[0037] Figure 3 This is a schematic diagram of the structure of this utility model when it is horizontal to the ground;

[0038] Figure 4 This is a structural schematic diagram of the lifting device of this utility model. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of this utility model clearer, the various embodiments of this utility model will be described in detail below with reference to the accompanying drawings. However, those skilled in the art will understand that many technical details have been provided in the various embodiments of this utility model to facilitate a better understanding of this application. However, the technical solutions claimed in the claims of this application can be implemented even without these technical details and with various variations and modifications based on the following embodiments.

[0040] The embodiments of this utility model relate to a horizontal and vertical motion mechanism for vehicle pedestrian protection and airbag deployment testing, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, it includes:

[0041] In this embodiment, the horizontal and vertical movement mechanism for vehicle pedestrian protection and airbag deployment testing includes a horizontal moving platform 1; the horizontal moving platform 1 is used to carry the vehicle for vehicle pedestrian protection and airbag deployment testing.

[0042] A horizontal traction mechanism 10 is installed on one side of the horizontal moving platform 1; the horizontal traction mechanism 10 mainly tractions the vehicle in the horizontal direction.

[0043] A lifting platform 2 is provided on the rear side of the horizontal traction mechanism 10; the lifting platform 2 is used to support the vehicle when lifting in the vertical direction.

[0044] A lifting device 20 is installed below the lifting platform 2; a horizontal traction mechanism 10 pulls the vehicle to the horizontal moving platform 1, and the lifting device 20 lifts and lowers the vehicle. During the lifting process, the lifting device 20 keeps the vehicle and the horizontal moving platform level with the ground, thus allowing the vehicle to be smoothly pulled out. During the experiment, the lifting device 20 keeps the vehicle above the ground, allowing it to smoothly enter the walk-in environmental chamber for testing. This achieves a smooth and accurate transfer of the vehicle from the ground to the test platform, improving the efficiency and accuracy of testing and better evaluating the performance of pedestrian protection equipment. This utility model features a liftable platform 2 installed in a pit, allowing the upper surface of the horizontal moving platform to be level with the ground, facilitating vehicle entry onto the platform.

[0045] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the horizontal moving platform 1 is positioned on one side of the walk-in environmental enclosure 3. This structure facilitates vehicle entry into the walk-in environmental enclosure 3.

[0046] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, several guide rails 4 are fixed inside the walk-in environmental box 3, and the guide rails 4 are extended to the horizontal moving platform 1, which allows the car to move directly horizontally to the horizontal moving platform 1.

[0047] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, one end of the horizontal traction mechanism 10 is connected to the front of the vehicle.

[0048] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the horizontal traction mechanism 10 is located in the middle of the lifting platform 2.

[0049] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the horizontal traction mechanism 10 also includes:

[0050] Below the lifting platform 2, a traction block 11 is set at the axial position of the horizontal traction mechanism 10; the traction block 11 is conveyed by a ring transmission; the traction block 11 mainly moves under the condition of being conveyed by the ring transmission.

[0051] One end of the connecting rod 12 is movably connected to the traction block 11; the connecting rod 12 mainly serves the function of connection.

[0052] At the other end of the connecting rod 12, one end of the shock absorber tube 13 is connected inside the connecting rod 12, and a spring is installed inside the shock absorber tube 13; this serves to absorb shocks; the shock absorber tube 13 can reduce vibrations during the horizontal movement of the car.

[0053] One end of the connecting block 14 is movably connected to the other end of the shock absorber tube 13; the other end of the connecting block 14 is fixed to the vehicle. The connecting block 14 is used to connect the vehicle.

[0054] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, there are two lifting devices 20, which are respectively installed on both sides of the lifting platform 2. They serve to lift and lower the car simultaneously.

[0055] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, each lifting device 20 includes:

[0056] A base 21 is provided at the bottom of the lifting device 20; the base 21 serves as a support.

[0057] A scissor brace 22 is movably connected to each of the four feet of the base 21; the scissor brace 22 is raised and lowered by a drive.

[0058] The bottom of the lifting mechanism 23 is fixed on the base 21; the upper part of the lifting mechanism 23 is movably connected to the lifting platform 2; the lifting mechanism 23 drives the scissor brace 22 to lift.

[0059] On both sides of the lifting mechanism 23, one end of the protective rod 24 is fixed to the base 21. The protective rod 24 prevents falls and provides support.

[0060] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the lifting mechanism 23 also includes:

[0061] The housing of the reducer 231 is fixed on the base 21;

[0062] The output shaft of the servo motor 232 is connected to the input end of the reducer 231; the servo motor 232 drives the reducer 231 to reduce speed.

[0063] The output end of the reducer 231 is connected to the input shaft of the T-gear box 233 via a coupling 234; the T-gear box 233 mainly functions to transmit power and reverse the transmitted power.

[0064] One end of the first drive link 2351 is connected to one side of the T-shaped gearbox 233 via a coupling 234;

[0065] On the other side of the T-shaped gearbox 233, one end of the second drive link 2352 is connected by a coupling; the first drive link 2351 and the second drive link 2352 serve to connect and transmit power.

[0066] The other end of the first drive linkage 2351 is connected to the input end of the first screw jack 236; one end of the lead screw on the first screw jack 236 is fixed below the lifting platform 2;

[0067] Similarly, the other end of the second drive linkage 2352 is connected to the input end of the second screw jack 237; one end of the lead screw on the second screw jack 237 is fixed below the lifting platform 2. The first screw jack 236 and the second screw jack 237 move up and down, thereby lifting the lifting platform 2 to rise and fall.

[0068] To achieve the aforementioned technical effects, the horizontal and vertical motion mechanisms used for vehicle pedestrian protection and airbag deployment testing in this embodiment, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the first end of the scissor brace 22 is movably connected to the bracket 25 on one side of the base 21; the second end of the scissor brace 22 is movably connected to the bracket 25 on the same side of the base 21 via the roller 26.

[0069] The third end of the scissor brace 22 is movably connected to the bracket 25 on one side of the lifting platform 2; the fourth end of the scissor brace 22 is movably connected to the bracket 25 on the same side of the lifting platform 2 via a roller 26. This structure enables the lifting platform 2 to perform a balanced lifting function.

[0070] Those skilled in the art will understand that the above embodiments are specific examples of implementing the present invention, and in practical applications, various changes can be made to them in form and detail without departing from the spirit and scope of the present invention.

Claims

1. A horizontal and vertical motion mechanism for a whole vehicle pedestrian protection and airbag point explosion test, characterized by, include: Horizontal moving platform; A horizontal traction mechanism is provided on one side of the horizontal moving platform. A lifting platform is provided on the rear side of the horizontal traction mechanism; A lifting device is installed below the lifting platform; The horizontal traction mechanism pulls the vehicle to the horizontal moving platform, and the lifting device lifts and lowers the vehicle.

2. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 1, characterized in that, The horizontal moving platform is located on one side of the walk-in environmental enclosure.

3. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 2, characterized in that, Several guide rails are fixed inside the walk-in environmental enclosure, and the guide rails extend to the horizontal moving platform.

4. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 1, characterized in that, One end of the horizontal traction mechanism is connected to the front of the vehicle.

5. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 1, characterized in that, The horizontal traction mechanism is located at the middle position of the lifting platform.

6. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 5, characterized in that, The horizontal traction mechanism further includes: A traction block is positioned below the lifting platform and on the axis of the horizontal traction mechanism; the traction block is conveyed by a ring transmission. A connecting rod, one end of which is movably connected to the traction block; A shock-absorbing tube is connected to one end of the connecting rod at the other end, and a spring is installed inside the shock-absorbing tube; it serves to absorb shocks. A connecting block is movably connected to one end of the other end of the shock absorber tube; the other end of the connecting block is fixed to the vehicle.

7. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 1, characterized in that, There are two lifting devices, which are respectively installed on both sides of the lifting platform.

8. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 7, characterized in that, Each of the aforementioned lifting devices includes: The base is provided at the bottom of the lifting device; A scissor brace is movably connected to each of the four legs of the base; A lifting mechanism, the bottom of which is fixed on the base; the upper part of which is movably connected to the lifting platform; Protective rods are located on both sides of the lifting mechanism, with one end of the protective rod fixed to the base.

9. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 8, characterized in that, The lifting mechanism further includes: A speed reducer, with its housing fixed to the base; A servo motor is connected to the output shaft of the servo motor at the input end of the reducer; The T-shaped gearbox is connected to the input shaft of the T-shaped gearbox via a coupling at the output end of the reducer; The first drive link is connected to one end of the first drive link via a coupling on one side of the T-shaped gearbox; The second drive link is connected to one end of the second drive link via a coupling on the other side of the T-shaped gearbox; The first screw jack has one end of the first drive link connected to the input end of the first screw jack; one end of the lead screw on the first screw jack is fixed below the lifting platform. Similarly, in the second screw jack, the other end of the second drive linkage is connected to the input end of the second screw jack; one end of the lead screw on the second screw jack is fixed below the lifting platform.

10. The horizontal and vertical motion mechanism for whole vehicle pedestrian protection and airbag local deployment test according to claim 8, characterized in that, The first end of the scissor brace is movably connected to a bracket on one side of the base; the second end of the scissor brace is movably connected to a bracket on the same side of the base via a roller. The third end of the scissors support is movably connected to a support on one side of the lifting platform; the fourth end of the scissors support is movably connected to a support on the same side of the lifting platform through a roller.

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