Automobile chassis collision test device

Abstract

The utility model provides an automobile chassis collision test device, which relates to the technical field of collision test equipment and comprises a base, a cylinder is arranged on one side of the base, a connecting hole is arranged on one side of the base, and an adjusting device for quickly changing the height of the cylinder is arranged between the base and the cylinder. An adjusting device is arranged on the base, a reinforcing device is arranged on one side of the base, the adjusting device comprises a screw rod and a threaded groove formed in the cylinder, the surface of the screw rod is in threaded connection with the inner wall of the threaded groove, and the cylinder is driven to move up and down through rotation of the screw rod. The height of the cylinder can be adjusted, so that the cylinder can adapt to the collision height required by various vehicle chassis tests through height adjustment, the situation that a plurality of cylinders need to be arranged when personnel carry out collision detection of various heights on the vehicle chassis is reduced, the waste of manpower and resources generated during the test is reduced, and the test efficiency of the vehicle chassis is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of collision test equipment, in particular to an automobile chassis collision test device. Background Technique

[0002] Automobile collision test is a necessary means to test the passive safety of new automobiles during the R & D process. In the research and development process of the anti-collision safety chassis structure of new energy automobiles, automobile floor collision test equipment is often required to make the tested chassis impact the object to be collided at a specified speed.

[0003] In the process of using the existing automobile chassis collision test equipment, a cylinder is mostly fixed on the ground through a base plate and bolts, and then the staff drives the vehicle to be tested to impact the cylinder at a specified speed in the direction of the cylinder, so that the cylinder collides with the chassis of the vehicle, and then the collision strength and data of the chassis are obtained by observing the damage condition of the chassis.

[0004] However, since the installation height of the existing cylinder is relatively single, it may cause personnel to arrange cylinders with different heights on the ground for testing when testing the vehicle chassis, resulting in excessive waste of manpower and resources and affecting the test efficiency of the vehicle chassis. Content of the Utility Model

[0005] The purpose of the utility model is to solve the defects existing in the prior art, and to propose an automobile chassis collision test device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: an automobile chassis collision test device, including a base, one side of the base is provided with a cylinder, a connection hole is opened on one side of the base, an adjusting device for quickly changing the height of the cylinder is arranged between the base and the cylinder, and a reinforcing device is arranged on one side of the base. The adjusting device includes a screw rod and a thread groove opened inside the cylinder, and the surface of the screw rod is threadedly connected with the inner wall of the thread groove, and the rotation of the screw rod drives the cylinder to move up and down to realize the height adjustment of the cylinder.

[0007] The effects achieved by the above components are as follows: by setting the adjusting device, the height of the cylinder can be quickly adjusted, the adaptability and flexibility of use of the cylinder in the collision test are improved, and the waste of manpower and resources is reduced.

[0008] Preferably, the adjusting device includes a first circular hole formed in one side of the base. A clamping groove is formed in the inner wall of the first circular hole. A clamping block is rotatably connected to the inner wall of the clamping groove. One side of the clamping block is fixedly connected to a screw rod. The screw rod is arranged inside the first circular hole. One end of the screw rod is fixedly connected to a first gear. A threaded groove is formed in one side of the cylinder. The surface of the screw rod is threadedly connected to the inner wall of the threaded groove. A second circular hole is formed in one side of the base. A round shaft is rotatably connected to the inner wall of the second circular hole. One end of the round shaft is fixedly connected to a second gear. The first gear and the second gear are both located inside the base. A toothed belt is sleeved on the surfaces of the first gear and the second gear. The first gear and the second gear are both engaged with the toothed belt.

[0009] The effects achieved by the above components are as follows: By setting the adjusting device, first, the base is installed and fixed on the ground through the connection holes and screws. At this time, manually rotate the round shaft, so that the round shaft drives the first gear to rotate, the first gear drives the toothed belt to move, the toothed belt drives the second gear to rotate, the second gear drives the screw rod to rotate, the screw rod drives the clamping block to rotate along the inside of the clamping groove. Under the action of the threaded connection between the screw rod and the inner wall of the threaded groove, the screw rod drives the cylinder to move up and down during rotation, thereby achieving the adjustment of the height of the cylinder, so that the cylinder can adapt to the collision heights required in various vehicle chassis tests through height adjustment, reducing the situation where multiple cylinders need to be arranged when the vehicle chassis is subjected to collision tests at multiple heights, reducing the waste of manpower and resources generated during the test, and improving the test efficiency of the vehicle chassis.

[0010] Preferably, a screwing block is fixedly connected to the end of the round shaft away from the second gear. A plurality of grooves are formed in the surface of the screwing block.

[0011] The effects achieved by the above components are as follows: By setting the screwing block, the screwing block can increase the contact area of the round shaft, so that personnel can drive the round shaft to rotate by manually rotating the screwing block, improving the convenience of manually rotating the screwing block.

[0012] Preferably, a circular groove is formed in one side of the cylinder. A positioning rod is fixedly connected to one side of the base. The surface of the positioning rod is slidably connected to the inner wall of the circular groove.

[0013] The effects achieved by the above components are as follows: By setting the positioning rod, the positioning rod can be located inside the circular groove to intercept and limit the cylinder, reducing the situation where the cylinder rotates or shakes when the screw rod drives the cylinder to move up and down, and improving the use stability of the cylinder.

[0014] Preferably, a storage groove is formed on one side of the cylinder, the inner wall of the storage groove is connected to the inner wall of the threaded groove, a support block is fixedly connected to one side of the base close to the first circular hole, the size and shape of the surface of the support block are adapted to the size and shape of the inner wall of the storage groove, and the surface of the support block is fitted to the surface of the screw rod.

[0015] The effects achieved by the above components are as follows: By providing the support block, the support block can be fitted to the surface of the screw rod to assist in supporting and limiting the left and right sides of the screw rod, reducing the situation of shaking or tilting of the cylinder when the vehicle collides, and further improving the stability and strength of the screw rod.

[0016] Preferably, the reinforcement device includes a support frame, the surface of the support frame is fitted to the surface of the cylinder, a bolt is provided inside the support frame, a threaded hole is formed on one side of the base, and the surface of the bolt is threadedly connected to the inner wall of the threaded hole.

[0017] The effects achieved by the above components are as follows: By providing the reinforcement device, first manually move the support frame. When the support frame moves to a position where it is fitted to the surfaces of the base and the cylinder, the inner wall of the support frame coincides with the inner wall of the threaded hole. At this time, turn the bolt with a tool so that the bolt is inserted into the inner positions of the support frame and the threaded hole to fix the position of the support frame, completing the connection and fixation of the support frame to the base, and making the support frame located on both sides of the cylinder to assist in supporting both sides of the cylinder, achieving the support and reinforcement of the cylinder, reducing the situation of shaking or tilting of the cylinder to the left and right sides when the vehicle collides, and further improving the stability and anti-collision strength of the cylinder.

[0018] Preferably, a reinforcement block is fixedly connected to one side of the support frame away from the cylinder, and the cross-section of the reinforcement block is trapezoidal.

[0019] The effects achieved by the above components are as follows: By providing the reinforcement block, the reinforcement block can assist in supporting and reinforcing the inner side of the support frame, improving the strength of the support frame, and reducing the situation of the support frame being inclined under force.

[0020] Preferably, a positioning block is fixedly connected to one side of the support frame, a positioning groove is formed on one side of the base, and the size and shape of the surface of the positioning block are adapted to the size and shape of the inner wall of the positioning groove.

[0021] The effects achieved by the above components are as follows: By providing the positioning block and the positioning groove, the support frame can be moved to a position where the positioning block is inserted into the positioning groove for quick positioning, improving the convenience of coincidence and the position correction efficiency of the inner wall of the support frame and the inner wall of the threaded hole.

[0022] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0023] In the present utility model, by providing an adjusting device, the cylinder can adapt to the collision heights required in various vehicle chassis tests through height adjustment, reducing the situation where multiple cylinders need to be arranged when personnel conduct collision detections on the vehicle chassis at various heights, reducing the waste of manpower and resources generated during the test, and improving the test efficiency of the vehicle chassis. Description of the Drawings

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0025] Figure 2 It is a partial cross-sectional view of the cylinder of the present utility model;

[0026] Figure 3 It is a partial cross-sectional view of the base of the present utility model;

[0027] Figure 4 It is a partial structural schematic diagram of the support frame of the present utility model.

[0028] Legend Explanation: 1. Base; 2. Cylinder; 3. Connecting Hole; 4. Adjusting Device; 41. First Circular Hole; 42. Card Slot; 43. Second Circular Hole; 44. Positioning Rod; 45. Support Block; 46. Card Block; 47. Screw; 48. Threaded Groove; 49. First Gear; 410. Circular Shaft; 411. Second Gear; 412. Tooth Belt; 413. Turning Block; 414. Circular Groove; 415. Storage Groove; 5. Reinforcement Device; 51. Support Frame; 52. Bolt; 53. Reinforcement Block; 54. Positioning Block; 55. Threaded Hole; 56. Positioning Groove. Detailed Implementation Manner

[0029] Refer to Figures 1-3 As shown, this embodiment discloses a vehicle chassis collision test device, including a base 1. One side of the base 1 is provided with a cylinder 2. One side of the base 1 is provided with a connecting hole 3. An adjusting device 4 for quickly changing the height of the cylinder 2 is provided between the base 1 and the cylinder 2. One side of the base 1 is provided with a reinforcement device 5. Among them, the adjusting device 4 includes a screw 47 and a threaded groove 48 opened inside the cylinder 2. The surface of the screw 47 is threadedly connected to the inner wall of the threaded groove 48, and the rotation of the screw 47 drives the cylinder 2 to move up and down, realizing the height adjustment of the cylinder 2. By providing the adjusting device 4, the height of the cylinder 2 can be quickly adjusted, improving the adaptability and usage flexibility of the cylinder 2 in the collision test, and reducing the waste of manpower and resources.

[0030] Refer to Figure 2 and Figure 3As shown in the figure, this embodiment discloses that the adjusting device 4 includes a first circular hole 41 opened on one side of the base 1. A clamping groove 42 is provided on the inner wall of the first circular hole 41. A clamping block 46 is rotatably connected to the inner wall of the clamping groove 42. One side of the clamping block 46 is fixedly connected to a screw rod 47. The screw rod 47 is arranged inside the first circular hole 41. One end of the screw rod 47 is fixedly connected to a first gear 49. A threaded groove 48 is provided on one side of the cylinder 2. The surface of the screw rod 47 is threadedly connected to the inner wall of the threaded groove 48. A second circular hole 43 is opened on one side of the base 1. A round shaft 410 is rotatably connected to the inner wall of the second circular hole 43. One end of the round shaft 410 is fixedly connected to a second gear 411. Both the first gear 49 and the second gear 411 are located inside the base 1. A toothed belt 412 is sleeved on the surfaces of the first gear 49 and the second gear 411. Both the first gear 49 and the second gear 411 are meshed with the toothed belt 412. By setting the adjusting device 4, first, the base 1 is installed and fixed on the ground through the connection hole 3 and screws. At this time, manually rotate the round shaft 410, so that the round shaft 410 drives the first gear 49 to rotate, so that the first gear 49 drives the toothed belt 412 to move, so that the toothed belt 412 drives the second gear 411 to rotate, so that the second gear 411 drives the screw rod 47 to rotate, so that the screw rod 47 drives the clamping block 46 to rotate along the inside of the clamping groove 42. Under the action of the threaded connection between the screw rod 47 and the inner wall of the threaded groove 48, the screw rod 47 drives the cylinder 2 to move up and down during rotation, thereby achieving the adjustment of the height of the cylinder 2, so that the cylinder 2 can adapt to the collision heights required in various vehicle chassis tests through height adjustment, reducing the situation where multiple cylinders 2 need to be arranged when personnel conduct collision tests on the vehicle chassis at multiple heights, reducing the waste of manpower and resources generated during the test, and improving the test efficiency of the vehicle chassis.

[0031] Refer to Figure 2 and Figure 3 As shown in the figure, this embodiment discloses that one end of the round shaft 410 away from the second gear 411 is fixedly connected to a screwing block 413. A plurality of grooves are provided on the surface of the screwing block 413. By setting the screwing block 413, the contact area of the round shaft 410 can be increased, so that personnel can drive the round shaft 410 to rotate by manually rotating the screwing block 413, improving the convenience of manually rotating the screwing block 413. A circular groove 414 is provided on one side of the cylinder 2. A positioning rod 44 is fixedly connected to one side of the base 1. The surface of the positioning rod 44 is slidably connected to the inner wall of the circular groove 414. By setting the positioning rod 44, the positioning rod 44 can be located inside the circular groove 414 to intercept and limit the cylinder 2, reducing the situation where the cylinder 2 rotates or shakes when the screw rod 47 drives the cylinder 2 to move up and down, and improving the use stability of the cylinder 2.

[0032] Refer to Figure 2 and Figure 3As shown in the figure, in this embodiment, a storage groove 415 is provided on one side of the cylinder 2. The inner wall of the storage groove 415 is connected to the inner wall of the threaded groove 48. A support block 45 is fixedly connected to one side of the base 1 close to the first circular hole 41. The size and shape of the surface of the support block 45 are adapted to the size and shape of the inner wall of the storage groove 415. The surface of the support block 45 is in contact with the surface of the screw 47. By providing the support block 45, the support block 45 can be in contact with the surface of the screw 47 to assist in supporting and limiting the left and right sides of the screw 47, reducing the situation of the cylinder 2 shaking or tilting when being collided by a vehicle, and further improving the stability and strength of the screw 47.

[0033] Referring to Figure 3 and Figure 4 As shown in the figure, in this embodiment, the reinforcement device 5 includes a support frame 51. The surface of the support frame 51 is in contact with the surface of the cylinder 2. A bolt 52 is provided inside the support frame 51. A threaded hole 55 is provided on one side of the base 1. The surface of the bolt 52 is threadedly connected to the inner wall of the threaded hole 55. By providing the reinforcement device 5, first manually move the support frame 51. When the support frame 51 moves to a position where it is in contact with the surfaces of the base 1 and the cylinder 2, the inner wall of the support frame 51 coincides with the inner wall of the threaded hole 55. At this time, rotate the bolt 52 with a tool so that the bolt 52 is inserted into the positions inside the support frame 51 and the threaded hole 55 to fix the position of the support frame 51, completing the connection and fixation of the support frame 51 to the base 1, and making the support frame 51 located on both sides of the cylinder 2 to assist in supporting both sides of the cylinder 2, achieving the support and reinforcement of the cylinder 2, reducing the situation of the cylinder 2 shaking or tilting to the left and right sides when being collided by a vehicle, and further improving the stability and anti-collision strength of the cylinder 2.

[0034] Referring to Figure 3 and Figure 4 As shown in the figure, in this embodiment, a reinforcement block 53 is fixedly connected to the side of the support frame 51 away from the cylinder 2. The cross-section of the reinforcement block 53 is trapezoidal. By providing the reinforcement block 53, the reinforcement block 53 can assist in supporting and reinforcing the inner side of the support frame 51, improving the strength of the support frame 51 and reducing the situation of the support frame 51 being inclined due to force. A positioning block 54 is fixedly connected to one side of the support frame 51. A positioning groove 56 is provided on one side of the base 1. The size and shape of the surface of the positioning block 54 are adapted to the size and shape of the inner wall of the positioning groove 56. By providing the positioning block 54 and the positioning groove 56, the support frame 51 can be moved to a position where the positioning block 54 is inserted into the positioning groove 56 for quick positioning, improving the convenience of coincidence and the position correction efficiency of the inner wall of the support frame 51 and the inner wall of the threaded hole 55.

[0035] Working principle: First, fix the base 1 on the ground through the connection holes 3 and screws. At this time, manually rotate the round shaft 410, so that the round shaft 410 drives the first gear 49 to rotate, the first gear 49 drives the toothed belt 412 to move, the toothed belt 412 drives the second gear 411 to rotate, the second gear 411 drives the screw rod 47 to rotate, and the screw rod 47 drives the block 46 to rotate along the inside of the card slot 42. Under the action of the threaded connection between the screw rod 47 and the inner wall of the threaded groove 48, the screw rod 47 drives the cylinder 2 to move up and down during rotation, thereby achieving the adjustment of the height of the cylinder 2. At this time, the staff drives the vehicle to be tested towards the cylinder 2 at a specified speed to impact the cylinder 2, so that the cylinder 2 collides with the chassis of the vehicle. Subsequently, by observing the damage condition of the chassis, the collision intensity and data of the chassis are obtained.

[0036] First, manually move the support frame 51. When the support frame 51 moves to a position where it fits the surfaces of the base 1 and the cylinder 2, the inner wall of the support frame 51 coincides with the inner wall of the threaded hole 55. At this time, use a tool to rotate the bolt 52, so that the bolt 52 is inserted into the positions inside the support frame 51 and the threaded hole 55 to fix the position of the support frame 51, completing the connection and fixation of the support frame 51 to the base 1, and making the support frame 51 located on both sides of the cylinder 2 to support both sides of the cylinder 2, achieving the support and reinforcement of the cylinder 2.

[0037] The above is only a preferred embodiment of the present invention, and it is not a limitation to the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical content of the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention. In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood through specific situations.

Claims

1. An automobile chassis collision test device, comprising a base (1), characterized in that: One side of the base (1) is provided with a cylinder (2). A connecting hole (3) is opened on one side of the base (1). An adjusting device (4) for quickly changing the height of the cylinder (2) is arranged between the base (1) and the cylinder (2). A reinforcing device (5) is arranged on one side of the base (1). The adjusting device (4) includes a screw rod (47) and a thread groove (48) opened inside the cylinder (2). The surface of the screw rod (47) is in threaded connection with the inner wall of the thread groove (48), and the rotation of the screw rod (47) drives the cylinder (2) to move up and down, so as to realize the height adjustment of the cylinder (2).

2. The automotive chassis collision test device according to claim 1, characterized in that: The adjusting device (4) includes a first circular hole (41) opened on one side of the base (1). A clamping groove (42) is opened on the inner wall of the first circular hole (41). A clamping block (46) is rotatably connected to the inner wall of the clamping groove (42). One side of the clamping block (46) is fixedly connected with a screw rod (47). The screw rod (47) is arranged inside the first circular hole (41). One end of the screw rod (47) is fixedly connected with a first gear (49). A thread groove (48) is opened on one side of the cylinder (2). The surface of the screw rod (47) is in threaded connection with the inner wall of the thread groove (48). A second circular hole (43) is opened on one side of the base (1). A round shaft (410) is rotatably connected to the inner wall of the second circular hole (43). One end of the round shaft (410) is fixedly connected with a second gear (411). The first gear (49) and the second gear (411) are both located inside the base (1). A toothed belt (412) is sleeved on the surfaces of the first gear (49) and the second gear (411). The first gear (49) and the second gear (411) are both meshed with the toothed belt (412).

3. The automotive chassis collision test device according to claim 2, characterized in that: One end of the round shaft (410) far away from the second gear (411) is fixedly connected with a screwing block (413). A plurality of grooves are opened on the surface of the screwing block (413).

4. The automotive chassis collision test device according to claim 2, wherein: A round groove (414) is opened on one side of the cylinder (2). A positioning rod (44) is fixedly connected to one side of the base (1). The surface of the positioning rod (44) is slidably connected with the inner wall of the round groove (414).

5. The automotive chassis collision test device according to claim 2, wherein: A storage groove (415) is opened on one side of the cylinder (2). The inner wall of the storage groove (415) is connected with the inner wall of the thread groove (48). A support block (45) is fixedly connected to one side of the base (1) close to the first circular hole (41). The size and shape of the surface of the support block (45) are adapted to the size and shape of the inner wall of the storage groove (415). The surface of the support block (45) is attached to the surface of the screw rod (47).

6. The automotive chassis collision test device according to claim 1, wherein: The reinforcing device (5) includes a support frame (51). The surface of the support frame (51) is attached to the surface of the cylinder (2). A bolt (52) is arranged inside the support frame (51). A threaded hole (55) is opened on one side of the base (1). The surface of the bolt (52) is in threaded connection with the inner wall of the threaded hole (55).

7. An automobile chassis collision test device according to claim 6, characterized in that: One side of the support frame (51) away from the cylinder (2) is fixedly connected with a reinforcing block (53), and the cross-section of the reinforcing block (53) is trapezoidal.

8. An automobile chassis collision test device according to claim 6, characterized in that: One side of the support frame (51) is fixedly connected with a positioning block (54), one side of the base (1) is provided with a positioning groove (56), and the size and shape of the surface of the positioning block (54) are adapted to the size and shape of the inner wall of the positioning groove (56).

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