Automobile bumper crash test stand device

Abstract

The utility model discloses a kind of automobile bumper collision test bench devices, the device includes installation platform, the upper surface of the installation platform is provided with impact adjustment mechanism, the impact adjustment mechanism includes impact component, adjustment component and positioning component, the inside of the adjustment component is provided with bumper, to adjust the impact angle of bumper, the positioning component clamps the bumper, the impact direction of the impact component is towards bumper, to impact bumper. The present application can guarantee the stable clamping during bumper collision test process, avoid clamping loose to affect test data, can realize the flexible adjustment of bumper impact angle, collect multi-angle collision data, improve the comprehensiveness of test, support diversified collision scene simulation, adapt to different collision needs, facilitate to observe the deformation effect of bumper after collision, improve the convenience of test data acquisition and device practicality.

Description

Technical Field

[0001] This utility model relates to a car bumper collision test bench device, belonging to the field of car bumper testing. Background Technology

[0002] The function of a car bumper is to absorb and mitigate external impacts and protect the safety devices at the front and rear of the vehicle. It is very important for the driver's safety. If there are problems with the quality of the bumper, there will be significant safety issues. Therefore, it is necessary to test the quality of the bumper, which is where car bumper crash tests come in.

[0003] In existing technologies, bumpers for crash tests need to be stably installed and fixed to avoid affecting the expansion results. During this process, in order to ensure the installation stability of the bumper, the position of the collision post and the installation angle of the bumper are fixed, and the bumper cannot be subjected to collisions at different angles. This testing method leads to a single test result. Therefore, a car bumper crash test bench device is proposed to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of the prior art by providing an automotive bumper collision test bench device. This device improves upon the limitations of existing technologies where the position of the collision post and the installation angle of the bumper are fixed, preventing the bumper from being subjected to collisions at different angles and resulting in limited test outcomes. It ensures stable clamping during bumper collision testing, preventing loose clamping from affecting test data. It allows for flexible adjustment of the bumper impact angle, enabling the collection of multi-angle collision data, improving the comprehensiveness of the test, supporting diverse collision scenario simulations, adapting to different collision requirements, facilitating observation of the bumper's deformation after a collision, and enhancing the convenience of test data collection and the device's practicality.

[0005] The objective of this utility model can be achieved by adopting the following technical solutions:

[0006] A car bumper collision test bench device includes a mounting platform. An impact adjustment mechanism is provided on the upper surface of the mounting platform. The impact adjustment mechanism includes an impact component, a positioning component, and an adjustment component. The bumper is disposed inside the adjustment component to adjust the impact angle of the bumper. The positioning component clamps the bumper. The impact direction of the impact component is towards the bumper to impact the bumper.

[0007] Furthermore, the impact assembly includes a slide rail, an impact push rod, a sliding block, a support block, an impact block, and a mounting head. The slide rail and the impact push rod are fixedly connected to the upper surface of the mounting platform. The sliding block is fixedly connected to the output shaft of the impact push rod, and the outer wall of the sliding block is slidably connected to the slide rail. The support block is fixedly connected to the upper surface of the sliding block. The mounting head is fixedly connected to the rear surface of the support block, and the impact block is sleeved on the outer wall of the mounting head.

[0008] Furthermore, the impact assembly also includes a plug rod that is inserted into the inner wall of the impact block and the mounting head to fix the impact block to the mounting head.

[0009] Furthermore, the support block has a trapezoidal frustum structure.

[0010] Furthermore, the positioning assembly includes a mounting base, a bidirectional lead screw, a first motor, and elastic telescopic rods. The mounting base is fixedly connected to the upper surface of the mounting platform. The first motor is mounted on the outer wall of the mounting base. The bidirectional lead screw is fixedly connected to the output end of the first motor. There are two elastic telescopic rods, which are symmetrically arranged about the center line of the bidirectional lead screw as the axis of symmetry. The inner walls of the two elastic telescopic rods are threadedly connected to the outer wall of the bidirectional lead screw.

[0011] Furthermore, the positioning component also includes pressure plates, which are two in number. Each pressure plate corresponds to one of the two elastic telescopic rods, and each pressure plate is fixedly connected to the end of the corresponding elastic telescopic rod away from the mounting base.

[0012] Furthermore, the bidirectional lead screw is rotatably connected to the inner wall of the mounting base, and when the bidirectional lead screw rotates, it drives the two elastic telescopic rods to slide relative to each other along the inner wall of the mounting base.

[0013] Furthermore, the adjustment assembly includes a rotating disk, a second motor, fixing holes, a fixing rod, a moving block, and a top block. The second motor is disposed on the inner wall of the mounting platform. The rotating disk is fixedly connected to the output shaft of the second motor. There are multiple fixing holes, and the center lines of the multiple fixing holes are arranged in a 180-degree array on the upper surface of the mounting platform with the axis of rotation as the axis of rotation. The fixing rod is slidably connected to the inner wall of the rotating disk, and the fixing rod can be inserted into the inner wall of any fixing hole. The top block is fixedly connected to the upper surface of the rotating disk. The moving block is fixedly connected to the top of the fixing rod, and the moving block is slidably connected to the inner wall of the top block.

[0014] Furthermore, the adjustment assembly also includes a handle, which is fixedly connected to the top of the movable block.

[0015] Furthermore, the top block has a semi-circular arc structure, and the two semi-circular arc ends of the top block are in contact with the bumper. The part of the movable block that is slidably connected to the inner wall of the top block has an arc surface.

[0016] This utility model has the following advantages over the prior art:

[0017] 1. This utility model, by setting up an adjustment component and a positioning component, uses the adjustment component to change the impact angle, while the positioning component stably clamps the bumper during the process. The semi-circular arc structure of the top block supports the bumper, and its internal cavity provides space for the deformation of the bumper, so that the staff can observe the deformation effect of the bumper after the collision, collect multi-angle collision data, and further improve the practicality of the device.

[0018] 2. By setting up an impact component and using impact blocks of different materials or shapes, along with quick assembly and disassembly with insert rods, this utility model can simulate a variety of collision scenarios, thereby further improving the effectiveness of the device. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0020] Figure 1 This is a three-dimensional structural diagram of the car bumper collision test bench device according to an embodiment of the present utility model.

[0021] Figure 2 This is a three-dimensional structural disassembly diagram of the impact component according to an embodiment of the present invention.

[0022] Figure 3 This is a three-dimensional cross-sectional view of the positioning component according to an embodiment of the present utility model.

[0023] Figure 4 This is a three-dimensional structural disassembly diagram of the adjustment component according to an embodiment of the present utility model.

[0024] Among them, 1-mounting platform, 2-impact assembly, 21-slide rail, 22-impact push rod, 23-sliding block, 24-support block; 25-impact block, 26-insertion rod, 27-mounting head, 3-positioning assembly, 31-mounting seat, 32-double-acting screw, 33-first motor, 34-elastic telescopic rod, 35-pressure plate, 4-adjustment assembly, 41-rotating disk, 42-second motor, 43-fixing hole, 44-fixing rod, 45-moving block, 46-handle, 47-top block, 5-bumper. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0026] Example:

[0027] like Figure 1 As shown, this embodiment provides a car bumper collision test bench device. The device includes a mounting platform 1, and an impact adjustment mechanism is provided on the upper surface of the mounting platform 1. The impact adjustment mechanism includes an impact component 2, a positioning component 3, and an adjustment component 4. The adjustment component 4 is provided with a bumper 5 for impact testing to adjust the impact angle of the bumper 5. The positioning component 3 clamps the bumper 5, and the impact direction of the impact component 2 is towards the bumper 5 to impact the bumper 5.

[0028] like Figure 1 and Figure 2 As shown, the impact assembly 2 is used to impact the bumper 5. It includes a slide rail 21, an impact push rod 22, a sliding block 23, a support block 24, an impact block 25, and a mounting head 27. The slide rail 21 and the impact push rod 22 are fixedly connected to the upper surface of the mounting platform 1 and are supported and fixed by the mounting platform 1. The slide rail 21 can limit the sliding range of the supporting sliding block 23. The sliding block 23 is fixedly connected to the output shaft of the impact push rod 22, and the outer wall of the sliding block 23 is slidably connected to the slide rail 21, which can ensure the stable movement of the impact block 25. The support block 24 is fixedly connected to the upper surface of the sliding block 23, and the mounting head 27 is fixedly connected to the rear surface of the support block 24. The impact block 25 is sleeved on the outer wall of the mounting head 27.

[0029] Furthermore, there are two slide rails 21, which are symmetrically arranged on the outer walls of both sides of the sliding block 23 and are slidably connected to the outer walls of both sides of the sliding block 23 respectively.

[0030] Furthermore, the support block 24 is designed as a trapezoidal platform to ensure the connection stability of the support block 24 after impact by the impact block 25.

[0031] Furthermore, the impact block 25 can be made of different materials and shapes to adapt to different impact standards, and the moving direction of the impact block 25 is aligned with the adjustment component 4 of the bumper 5.

[0032] In order to fix the impact block 25 to the mounting head 27, the impact assembly 2 of this embodiment may also include a plug 26, which is inserted into the inner wall of the impact block 25 and the mounting head 27 to fix the impact block 25 to the mounting head.

[0033] like Figure 1 and Figure 3 As shown, the positioning component 3 is used to stably clamp the bumper 5. It includes a mounting base 31, a bidirectional lead screw 32, a first motor 33, and elastic telescopic rods 34. The first motor 33 is mounted on the outer wall of the mounting base 31. The bidirectional lead screw 32 is fixedly connected to the output end of the first motor 33. The first motor 33 can drive the bidirectional lead screw 32 to rotate. There are two elastic telescopic rods 34, which are symmetrically arranged about the center line of the bidirectional lead screw 32. The inner walls of the two elastic telescopic rods 34 are threaded to the outer wall of the bidirectional lead screw 32. The bidirectional lead screw 32 is rotatably connected to the inner wall of the mounting base 31. The elastic telescopic rods 34 are supported by the mounting base 31. When the bidirectional lead screw 32 rotates, it drives the two elastic telescopic rods 34 to slide relative to each other along the inner wall of the mounting base 31, so that the two elastic telescopic rods 34 clamp and fix the two ends of the bumper 5. The two elastic telescopic rods 34 that slide relative to each other synchronously can center and align the bumper 5 when fixing it.

[0034] In order to restrict and fix the front of the bumper 5, the positioning component 3 in this embodiment may also include a pressure plate 35. There are two pressure plates 35, and the two pressure plates 35 correspond one-to-one with the two elastic telescopic rods 34. Each pressure plate 35 is fixedly connected to the end of the corresponding elastic telescopic rod 34 away from the mounting base 31.

[0035] like Figure 1 and Figure 4 As shown, the adjustment assembly 4 is used to adjust the impact angle of the bumper 5. It includes a rotating disk 41, a second motor 42, fixing holes 43, a fixing rod 44, a moving block 45, and a top block 47. The second motor 42 is installed on the inner wall of the mounting platform 1. The rotating disk 41 is fixedly connected to the output shaft of the second motor 42. The second motor 42 can drive the rotating disk 41 to rotate and adjust. There are multiple fixing holes 43. The center lines of the multiple fixing holes 43 are arranged in a 180-degree array on the upper surface of the mounting platform 1 with the rotation axis as the axis of rotation. The fixing rod 44 is slidably connected to the rotating disk 45. The inner wall of the disc 41 is fixed, and the fixing rod 44 can be inserted into the inner wall of any fixing hole 43. The fixing hole 43 and the fixing rod 44 can fix the adjusted disc 41. The top block 47 is fixedly connected to the upper surface of the disc 41. After the disc 41 rotates, it can drive the top block 47 to rotate together. The top block 47 is used to support the impacted bumper 5. The moving block 45 is fixedly connected to the top of the fixing rod 44, and the moving block 45 is slidably connected to the inner wall of the top block 47. By pulling the moving block 45 upward, the fixing rod 44 can be disengaged from the fixing hole 43.

[0036] To facilitate pulling the movable block 45 upwards, the adjustment component 4 in this embodiment also includes a handle, which is fixedly connected to the top of the movable block 45.

[0037] Furthermore, the top block 47 has a semi-circular arc structure, which can provide space for deformation after the bumper 5 is impacted. The two semi-circular arc ends of the top block 47 contact the bumper 5, providing support at the rear of the bumper 5. At the same time, the semi-circular arc structure of the top block 47 is more robust and stable when impacted. Correspondingly, the part where the moving block 45 slides and connects with the inner wall of the top block 47 is an arc surface.

[0038] like Figures 1-4 As shown, the working principle of the car bumper collision test bench device in this embodiment is as follows:

[0039] In use, the first motor 33 of the positioning component 3 is started, driving the bidirectional lead screw 32 to rotate. Since the two sets of elastic telescopic rods 34 are symmetrically distributed around the center line of the bidirectional lead screw 32 and their threads are opposite, when the bidirectional lead screw 32 rotates, it drives the two sets of elastic telescopic rods 34 to move synchronously towards each other. After the pressure plate 35 at the front end of the elastic telescopic rod 34 contacts both ends of the bumper 5, it applies pressure adaptively through the elastic telescopic structure to achieve flexible clamping of the bumper 5 and automatically center alignment. According to the test requirements, the second motor 42 of the adjustment component 4 is started to drive the rotating disk 41 to rotate, driving the top block 47 to rotate synchronously. The semi-circular arc support surface of the top block 47 forms a two-point contact support with the rear of the bumper 5. Its rotation can adjust the tilt angle of the bumper 5 relative to the impact block 25. During the angle adjustment process, the operator drives the moving block 45 through the handle 46 to insert the fixing rod 44 into the fixing hole 43 of the corresponding angle and lock the position of the rotating disk 41. The design of multiple sets of ring array fixing holes 43 can provide multi-position angle positioning to ensure test results. Under the guidance and constraint of slide rail 21, impact push rod 22 pushes sliding block 23 to accelerate along a straight line. Support block 24 drives impact block 25 to impact bumper 5 at a set speed through mounting head 27. During the impact, the trapezoidal support block 24 disperses the impact reaction force by increasing the contact area to prevent structural deformation. The semi-circular arc structure of top block 47 supports bumper 5 while its internal cavity provides space for the deformation of bumper 5 so that staff can observe the deformation effect of bumper 5 after the collision. By replacing impact blocks 25 of different materials or shapes and using insertion rod 26 for quick disassembly and assembly, diverse collision scenarios can be simulated.

[0040] The automotive bumper collision test bench device of this embodiment has the following advantages:

[0041] 1) Solve the problem of fixed angle and improve the comprehensiveness of testing: By adjusting the second motor, rotating disk and multiple 180-degree array of fixing holes of the component, the bumper can be adjusted at multiple angles (covering common collision angles) and collision data from different angles can be collected, avoiding the shortcomings of the single test of existing technology.

[0042] 2) Stable clamping and deformation observation are both achieved: The bidirectional lead screw and elastic telescopic rod of the positioning component can not only achieve stable clamping of the bumper (preventing loosening from affecting data), but also provide flexible protection through elastic telescopic. The semi-circular arc design of the top block supports the bumper while reserving deformation space, which makes it easy for staff to intuitively observe the deformation effect after the collision.

[0043] 3) Supports diverse collision scenarios: The impact blocks of the impact components can be quickly disassembled and replaced (via insert rods) to adapt to impact requirements of different materials and shapes, simulating different types of collisions in reality (such as rigid impacts and flexible impacts), further expanding the test scenarios.

[0044] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and agreed, the terms "set," "install," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. The terms "upper," "lower," "left," "right," and similar expressions used are for illustrative purposes only and do not represent the only possible implementation.

[0045] In summary, this invention, by incorporating an adjustment component and a positioning component, utilizes the adjustment component to change the impact angle, while the positioning component stably clamps the bumper during the process. The semi-circular arc structure of the top block supports the bumper, and its internal cavity provides space for the bumper's deformation, allowing personnel to observe the deformation effect of the bumper after the collision and collect multi-angle collision data, further improving the device's practicality. Furthermore, by incorporating an impact component, and by using impact blocks of different materials or shapes, along with quick disassembly and assembly with the insertion rod, diverse simulated collision scenarios can be achieved, further enhancing the device's effectiveness.

[0046] The above description is only a preferred embodiment of this utility model patent, but the protection scope of this utility model patent is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the scope disclosed in this utility model patent, based on the technical solution and utility model concept of this utility model patent, shall fall within the protection scope of this utility model patent.

Claims

1. A vehicle bumper collision test bench device, characterized in that, The device includes a mounting platform, the upper surface of which is provided with an impact adjustment mechanism. The impact adjustment mechanism includes an impact component, a positioning component, and an adjustment component. The adjustment component has a bumper inside to adjust the impact angle of the bumper. The positioning component clamps the bumper. The impact component is directed towards the bumper to impact it.

2. The automobile bumper collision test bench device according to claim 1, characterized in that, The impact assembly includes a slide rail, an impact push rod, a sliding block, a support block, an impact block, and a mounting head. The slide rail and the impact push rod are fixedly connected to the upper surface of the mounting platform. The sliding block is fixedly connected to the output shaft of the impact push rod, and the outer wall of the sliding block is slidably connected to the slide rail. The support block is fixedly connected to the upper surface of the sliding block. The mounting head is fixedly connected to the rear surface of the support block, and the impact block is sleeved on the outer wall of the mounting head.

3. The automobile bumper collision test bench device according to claim 2, characterized in that, The impact assembly also includes a plug that is inserted into the inner wall of the impact block and the mounting head to secure the impact block to the mounting head.

4. The automobile bumper collision test bench device according to claim 2, characterized in that, The support block has a trapezoidal frustum structure.

5. The automobile bumper collision test bench device according to claim 1, characterized in that, The positioning assembly includes a mounting base, a bidirectional lead screw, a first motor, and elastic telescopic rods. The mounting base is fixedly connected to the upper surface of the mounting platform. The first motor is mounted on the outer wall of the mounting base. The bidirectional lead screw is fixedly connected to the output end of the first motor. There are two elastic telescopic rods, which are symmetrically arranged about the center line of the bidirectional lead screw as the axis of symmetry. The inner walls of the two elastic telescopic rods are threadedly connected to the outer wall of the bidirectional lead screw.

6. The automobile bumper collision test bench device according to claim 5, characterized in that, The positioning component also includes pressure plates, which are two in number. Each pressure plate corresponds to one of the two elastic telescopic rods, and each pressure plate is fixedly connected to the end of the corresponding elastic telescopic rod away from the mounting base.

7. The automobile bumper collision test bench device according to claim 5, characterized in that, The bidirectional lead screw is rotatably connected to the inner wall of the mounting base. When the bidirectional lead screw rotates, it drives the two elastic telescopic rods to slide relative to each other along the inner wall of the mounting base.

8. The automobile bumper collision test bench device according to claim 1, characterized in that, The adjustment assembly includes a rotating disk, a second motor, fixing holes, a fixing rod, a moving block, and a top block. The second motor is disposed on the inner wall of the mounting platform. The rotating disk is fixedly connected to the output shaft of the second motor. There are multiple fixing holes, and the center lines of the multiple fixing holes are arranged in a 180-degree array on the upper surface of the mounting platform with the axis of rotation as the axis of rotation. The fixing rod is slidably connected to the inner wall of the rotating disk, and the fixing rod can be inserted into the inner wall of any fixing hole. The top block is fixedly connected to the upper surface of the rotating disk. The moving block is fixedly connected to the top of the fixing rod, and the moving block is slidably connected to the inner wall of the top block.

9. The automobile bumper collision test bench device according to claim 8, characterized in that, The adjustment assembly also includes a handle, which is fixedly connected to the top of the movable block.

10. The automobile bumper collision test bench device according to claim 8, characterized in that, The top block has a semi-circular arc structure, and the two ends of the semi-circular arc of the top block are in contact with the bumper. The part of the movable block that is slidably connected to the inner wall of the top block has an arc surface.

Images