Search

CN-224216274-U - Collision testing device for bicycle frame

CN224216274UCN 224216274 UCN224216274 UCN 224216274UCN-224216274-U

Abstract

The utility model relates to the technical field of frame collision testing, and discloses a bicycle frame collision testing device which comprises a testing frame, wherein a drop hammer is arranged in the testing frame, a winch is fixed on the top surface of the testing frame, the bottom end of a traction rope of the winch is fixed with the top surface of the drop hammer, and an adjusting structure for adjusting the fixing angle of a frame is arranged in the testing frame. According to the utility model, through the arrangement of the adjusting structure, the third motor drives the screw to rotate, the mounting plate is pushed to move, the rotary table moves out of the testing frame, the first motor drives the bidirectional screw rod to rotate after the frame body is placed in the fixing groove, the two clamping plates clamp the frame body, the third motor reversely rotates to send the rotary table back into the testing frame, the frame body is positioned below the drop hammer, the second motor rotates the rotary table, the collision angle of the frame body is adjusted, after the angle adjustment is finished, the winch is started to loosen the drop hammer, the drop hammer freely falls to strike the frame, the multi-angle collision test is realized, the comprehensiveness and the accuracy of the test are improved, and the testing effect is ensured.

Inventors

  • WANG YUNLAN
  • JIANG QINGXIAO

Assignees

  • 邢台铂爵运动器材有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (6)

  1. 1. A bicycle frame collision testing device comprises a testing frame (1) and is characterized in that a drop hammer (2) is arranged in the testing frame (1), a winch (3) is fixed on the top surface of the testing frame (1), the bottom end of a traction rope of the winch (3) is fixed with the top surface of the drop hammer (2), an adjusting structure for adjusting the fixed angle of a bicycle frame is arranged in the testing frame (1), the adjusting structure comprises a mounting plate (201) arranged in the testing frame, a turntable (202) is rotatably arranged on one side of the mounting plate (201), a fixing groove (203) is formed in one side of the turntable (202), a frame body (208) is arranged in the fixing groove (203), a bidirectional screw rod (204) is rotatably arranged in the fixing groove (203), two clamping plates (205) are slidably arranged in the fixing groove (203), and positive threads and negative threads of the bidirectional screw rod (204) are respectively in threaded connection with the two clamping plates (205).
  2. 2. The bicycle frame collision test device according to claim 1, wherein a fixing plate (206) is fixed on one side of the test frame (1), a screw (207) is rotatably arranged in the fixing plate (206), the screw (207) is in threaded connection with the mounting plate (201), a first motor is fixed on one side of the mounting plate (201), an output end of the first motor penetrates through one side of the mounting plate (201) and is fixed on one side of the turntable (202), a second motor is fixed in the mounting plate (201), an output end of the second motor is fixed on one end of the bidirectional screw rod (204), a third motor is fixed on one side of the fixing plate (206), and the third motor penetrates through one side of the fixing plate (206) and is fixed on one end of the screw (207).
  3. 3. The bicycle frame collision test device according to claim 2, wherein a guide plate (301) is fixed in the test frame (1), a guide groove (302) is formed in one side of the guide plate (301), a connecting plate (303) is slidably arranged in the guide groove (302), and the connecting plate (303) is fixed with the drop hammer (2).
  4. 4. A bicycle frame collision test device according to claim 3, characterized in that both sides of the inner wall of the guide groove (302) are provided with sliding grooves (4), both sides of the connecting plate (303) are embedded with balls (401), and the balls (401) and the guide groove (302) are arranged in a sliding manner.
  5. 5. The bicycle frame collision testing device according to claim 4, characterized in that the outer wall of the testing frame (1) is fixed with a plurality of protective grids (5).
  6. 6. The bicycle frame collision test apparatus according to claim 5, wherein a plurality of springs (6) are fixed to an inner bottom surface of the guide groove (302), and a buffer plate (601) is fixed to top ends of the plurality of springs (6).

Description

Collision testing device for bicycle frame Technical Field The utility model relates to the technical field of frame collision test, in particular to a bicycle frame collision test device. Background The bicycle is taken as a green transportation tool widely applied to transportation, leisure sports and competition, the structural safety of the bicycle is directly related to the personal safety of a rider, the bicycle frame is taken as a skeleton structure of the whole bicycle, the bicycle frame needs to bear the comprehensive effects of complex load working conditions such as road jolt, sudden impact, sudden braking, rollover and the like in the riding process, and in order to ensure that the frame cannot break or deform seriously under extreme conditions, the durability and the safety of the whole bicycle are improved, and the collision performance test is generally required to be carried out on the frame in the product development and quality inspection stage. The conventional checking device (bulletin number: CN 211927571U) for checking the material performance during impact has at least the following defects that the impact angle of the material after being fixed is not adjustable, only the material can perform single-direction vertical impact, and the multi-angle and multi-azimuth impact working conditions possibly encountered by a bicycle in the actual use process are difficult to simulate, so that the comprehensiveness and accuracy of a test result are limited, and the test effect is poor. Disclosure of utility model The utility model provides a bicycle frame collision testing device, which aims to solve the defects in the prior art. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a bicycle frame collision testing arrangement, includes the test jig, the inside of test jig is provided with the drop hammer, the top surface of test jig is fixed with the hoist engine, the haulage rope bottom of hoist engine is fixed with the top surface of drop hammer, the inside of test jig is provided with the regulation structure who is used for adjusting frame fixed angle, regulation structure is including setting up the inside mounting panel at the test jig, one side rotation of mounting panel is provided with the revolving stage, the fixed slot has been seted up to one side of revolving stage, the inside of fixed slot is provided with the frame body, the inside rotation of fixed slot is provided with two-way lead screw, the inside slip of fixed slot is provided with two splint, two-way lead screw's positive and negative screw thread respectively with two splint threaded connection. As a further scheme of the utility model, a fixed plate is fixed on one side of the test frame, a screw rod is rotatably arranged in the fixed plate, the screw rod is in threaded connection with the mounting plate, a first motor is fixed on one side of the mounting plate, the output end of the first motor penetrates through one side of the mounting plate and is fixed with one side of the turntable, a second motor is fixed in the mounting plate, the output end of the second motor is fixed with one end of the bidirectional screw rod, a third motor is fixed on one side of the fixed plate, and the third motor penetrates through one side of the fixed plate and is fixed with one end of the screw rod. As a further scheme of the utility model, a guide plate is fixed in the test frame, a guide groove is formed in one side of the guide plate, a connecting plate is slidably arranged in the guide groove, and the connecting plate is fixed with the drop hammer. As a further scheme of the utility model, both sides of the inner wall of the guide groove are provided with sliding grooves, and both sides of the connecting plate are embedded with balls which are arranged in a sliding manner with the guide groove. As a further scheme of the utility model, a plurality of protective grids are fixed on the outer wall of the test frame. As a further scheme of the utility model, a plurality of springs are fixed on the inner bottom surface of the guide groove, and buffer plates are fixed on the top ends of the springs. Compared with the prior art, the utility model has the following beneficial effects: This testing arrangement, through the setting of adjusting structure, the third motor drives the screw rod rotation, promote the mounting panel and remove, make the revolving stage shift out the test frame, put into the fixed slot with the frame body after, first motor drive two-way lead screw rotates, make two splint press from both sides tight frame body, the third motor reversal is sent the revolving stage back in the test frame, the frame body is located the drop hammer below, the second motor makes the revolving stage rotate, adjust the collision angle of frame body, after the angle adjustment is accomplished, start the hoist engine and relax the drop hammer, the drop hammer fre