CN216717788U

CN216717788U - Fatigue test device of motorcycle front fork

Info

Publication number: CN216717788U
Application number: CN202123396342.4U
Authority: CN
Inventors: 邓磊; 朱贵堂; 田军
Original assignee: Mingda Electromechanical Technology Co ltd
Current assignee: Mingda Electromechanical Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a fatigue testing device for a front fork of a motorcycle, belonging to the technical field of parts and accessories of motorcycles. The testing device comprises a machine base, a testing mechanism, a driving wheel and a driving motor, wherein the testing mechanism is arranged at the top of the machine base, the driving wheel is arranged on the machine base below the testing mechanism, the driving motor is arranged on the machine base at the rear end of the driving wheel, and the driving motor is connected with the driving wheel through a driving chain. The driving wheel rotates and drives the wheel of the front fork assembly test piece to rotate, the bump is arranged on the driving wheel, so that bump is formed when the bump is contacted with the wheel of the front fork assembly test piece, the real fatigue damage condition of the front fork of the motorcycle is simulated, the assembly plate is monitored through the infrared sensor, the fatigue strength of the front fork is detected under the dynamic condition, the problem that the existing device cannot test the front fork under the dynamic condition is solved, and the accuracy of a test result is improved; has positive significance for improving the motorcycle parts and the overall quality of the motorcycle.

Description

Fatigue test device of motorcycle front fork

Technical Field

The utility model relates to a fatigue testing device for a front fork of a motorcycle, belonging to the technical field of motorcycle accessory testing equipment.

Background

Along with the development of daily life, the application of motorcycle is more and more extensive, and the front fork spare of motorcycle can set up the spring and reach the purpose of shock attenuation buffering usually to improve driver's driving comfort level, security and stability, in order to guarantee the security of motorcycle and the stability of quality, need carry out the fatigue test of sampling to the motorcycle front fork of batch production before the motorcycle leaves the factory usually.

The existing fatigue testing device for the front fork of the motorcycle is usually carried out statically, and the front fork cannot be tested under the dynamic condition, so that the accuracy of a testing result is poor. Therefore, there is a need for improvement thereof.

Disclosure of Invention

The utility model aims to provide a testing device which is simple in structure and can effectively test the fatigue strength of a front fork of a motorcycle, so as to solve the problem that the existing testing device can not test the front fork under a dynamic condition, and the accuracy of a testing result is poor.

The technical scheme of the utility model is as follows:

the utility model provides a fatigue test device of motorcycle front fork, it comprises frame, accredited testing organization, drive wheel and driving motor, its characterized in that: the top of the machine base is provided with a testing mechanism, the machine base below the testing mechanism is provided with a driving wheel, the machine base at the rear end of the driving wheel is provided with a driving motor, and the driving motor is connected with the driving wheel through a driving chain.

The circumference of the driving wheel is symmetrically provided with lugs at 180 degrees.

The engine base is L-shaped, the rear end of the bottom of the engine base is provided with a mounting hole, and the driving motor is fixedly arranged on the engine base through the mounting hole.

The testing mechanism is composed of an assembling plate, counterweight plates and locking parts, the assembling plate is movably installed at the top of the machine base through an installation base and an assembling short shaft, a gasket is arranged below the front end of the assembling plate and fixedly connected with the machine base, an installing plate is fixedly arranged on the upper surface of the assembling plate corresponding to the gasket, an installing part is fixedly installed on the installing plate through bolts, and a plurality of counterweight plates are movably installed on the installing part; and a locking piece is fixedly arranged on the mounting plate at the front end of the counterweight plate.

The mounting piece is composed of a bottom plate and a thread mounting rod, the thread mounting rod is fixedly mounted on the bottom plate, mounting holes are formed in the bottom plate on the periphery of the thread mounting rod, and a positioning nut is arranged on the thread mounting rod.

The retaining member be the platelike body of buckling, the front end center part of retaining member is provided with the locking hole, the downthehole movable mounting of locking has the clamping pipe, is provided with the expansion joint on the retaining member of locking hole front end, expansion joint and locking hole intercommunication are provided with the hole of cramping on the retaining member side end face that the expansion joint corresponds, the downthehole tightening screw that is provided with of cramping.

And hoisting lug plates are fixedly arranged at the top of the machine base on two sides of the assembling plate at the rear end of the installing plate symmetrically.

Compared with the prior art, the utility model has the beneficial effects that:

the fatigue testing device for the front fork of the motorcycle fixes the front fork assembly test piece on the base through the clamping pipe, the wheel part of the front fork assembly test piece is in contact with the driving wheel, the driving wheel rotates and drives the wheel of the front fork assembly test piece to rotate under the action of the driving motor, and the circumference of the driving wheel is provided with the bump. Therefore, the real fatigue damage condition of the front fork of the motorcycle is simulated, so that the fatigue test is carried out on the front fork under the dynamic condition, the problem that the existing device cannot test the front fork under the dynamic condition is solved, and the accuracy of the test result is improved; has positive significance for improving the parts of the motorcycle and the overall quality of the motorcycle.

Drawings

FIG. 1 is a schematic structural diagram of the working state of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the construction of the mount of the present invention;

fig. 4 is a schematic view showing the structure of the locker of the present invention.

In the figure: 1. a machine base; 2. a drive motor; 3. a driving wheel; 4. a bump; 5. a gasket; 6. assembling a plate; 7. a weight plate; 8. a locking member; 9. assembling a short shaft; 10. mounting a plate; 11. a mounting member; 12. a base plate; 13. a threaded mounting rod; 14. positioning a nut; 15. a locking hole; 16. an expansion joint; 17. a cinching hole; 18. clamping the tube; 19. hoisting the lug plate; 20. a protective cover; 21. an infrared sensor; 22. front fork assembly testpieces.

Detailed Description

This fatigue test device of motorcycle front fork is by frame 1, accredited testing organization, drive wheel 3 and driving motor 2 constitute, frame 1 is L shape, the top of frame 1 is provided with accredited testing organization, accredited testing organization is by assembly plate 6, counterweight plate 7 and retaining member 8 constitute, there is assembly plate 6 at the top of frame 1 through mount pad and 9 movable mounting of assembly minor axis, the front end below of assembly plate 6 is provided with gasket 5, gasket 5 and frame 1 fixed connection, gasket 5 and assembly plate 6 contact connection. The mounting plate 10 is fixedly arranged on the upper surface of the mounting plate 6 corresponding to the gasket 5, the mounting part 11 is fixedly mounted on the mounting plate 10 through bolts, and the mounting part is movably provided with a plurality of counterweight plates 7.

The mounting piece 11 is composed of a bottom plate 12 and a thread mounting rod 13, the thread mounting rod 13 is fixedly mounted on the bottom plate 12, a mounting hole is formed in the bottom plate 12 on the periphery of the thread mounting rod 13, the mounting piece 11 is mounted on the mounting plate 10 through the mounting hole by a fixing bolt, a positioning nut 14 is arranged on the thread mounting rod 13, the counterweight plate 7 is an annular body, the counterweight plate 7 is sleeved on the thread mounting rod 13 of the mounting piece 11 in a stacking mode through a center hole, and meanwhile, the counterweight plate 7 is axially positioned on the mounting piece 11 through the positioning nut 14.

A locking part 8 is fixedly arranged on a mounting plate 10 at the front end of a counterweight plate 7, the locking part 8 is a bent plate-shaped body, a locking hole 15 is arranged at the center part of the front end of the locking part 8, a clamping pipe 18 is movably arranged in the locking hole 15, a connecting through hole is arranged on the clamping pipe 18, a fixing bolt is inserted in the connecting through hole to fixedly connect the clamping pipe 18 with a front fork assembly test piece 22, an expansion joint 16 is arranged on the locking part 8 at the front end of the locking hole 15, the expansion joint 16 is communicated with the locking hole 15, a hoop hole 17 is arranged on one side end face of the locking part corresponding to the expansion joint 16, a hoop screw is arranged in the hoop hole 17 through internal threads, the expansion joint 16 is compressed through the hoop screw to tighten and shrink the hoop hole 17, so as to lock the clamping pipe 18, lifting lug plates 19 are symmetrically and fixedly arranged at the tops of bases 1 at two sides of an assembling plate 6 at the rear end of the mounting plate 10, and the lifting lug plates 19 are used for integral lifting of the fatigue testing device, and also radially limit the assembly plate 6.

A driving wheel 3 is mounted on a base 1 below a testing mechanism through a bearing seat and an assembly shaft, a projection 4 is symmetrically arranged on the circumference of the driving wheel 3 at 180 degrees, the projection 4 is hemispherical or crescent, a mounting hole is formed in the rear end of the base 1 at the rear end of the driving wheel 3, a driving motor 2 is fixedly mounted on the base 1 through the mounting hole, the driving motor 2 is connected with the driving wheel 3 through a driving chain, and a protective cover 20 is mounted on the driving chain to guarantee safety during working. An infrared sensor 21 is arranged on the machine base 1 on one side of the lifting lug plate 19 of the testing device, and the infrared sensor 21 is electrically connected with an external computer. In the test process, the driving wheel 3 enables the front fork assembly test piece 22 to move in an up-and-down bumping shape through the convex block 4, so that the assembling plate 6 can rapidly move up and down in a tilting mode, in the process, the infrared sensor 21 monitors and records the up-and-down moving times of the assembling plate 6, the recorded data are transmitted to an external computer to be analyzed, and therefore the fatigue strength of the front fork can be detected.

During operation, the straight pipe end at the top of the motorcycle front fork assembly test piece 22 is sleeved in the clamping pipe 18, meanwhile, the wheel part of the front fork assembly test piece 22 is contacted with the driving wheel 3, clamping of the front fork assembly test piece 22 in the fatigue testing device is realized, the driving motor 2 is started, the driving wheel 3 is driven to rotate by the driving motor 2, the wheel of the front fork assembly test piece 22 is driven to rotate in the rotating process of the driving wheel 3, because the convex block 4 is arranged on the circumference of the driving wheel 3, when the convex block 4 is contacted with the wheel of the front fork assembly test piece 22 in the rotating process of the driving wheel 3, the wheel of the front fork assembly test piece 22 forms bump, the clamping pipe 18 drives the assembling plate 6 to synchronously form up-down bump through the locking part 8 and the installing plate 10 (the assembling plate 6 takes the assembling short shaft 9 as the axis, the front end forms reciprocating upwarp), the number of up-down bump of the assembling plate 6 is monitored through the infrared sensor 21, therefore, the fatigue detection of the maximum bump time of the front fork assembly test piece 22 is realized, and the fatigue strength of the motorcycle front fork under the dynamic condition is tested.

The fatigue testing device for the front fork of the motorcycle is simple in structure and good in practicability, can be used for testing the fatigue strength of the motorcycle front fork assembly test piece 22 under a dynamic condition, solves the problem that the existing device cannot test the front fork under the dynamic condition, and improves the accuracy of a test result; has positive significance for improving the parts of the motorcycle and the overall quality of the motorcycle.

Claims

1. The utility model provides a fatigue test device of motorcycle front fork, it comprises frame (1), accredited testing organization, drive wheel (3) and driving motor (2), its characterized in that: the testing mechanism is arranged at the top of the machine base (1), the driving wheel (3) is arranged on the machine base (1) below the testing mechanism, the driving motor (2) is arranged on the machine base (1) at the rear end of the driving wheel (3), and the driving motor (2) is connected with the driving wheel (3) through a driving chain.

2. The fatigue testing device for the front fork of the motorcycle according to claim 1, wherein: the circumference of the driving wheel (3) is symmetrically provided with lugs (4) at 180 degrees.

3. The fatigue testing device for the front fork of the motorcycle according to claim 1, wherein: the motor base (1) is L-shaped, a mounting hole is formed in the rear end of the bottom of the motor base (1), and the driving motor (2) is fixedly mounted on the motor base (1) through the mounting hole.

4. The fatigue testing device for the front fork of the motorcycle according to claim 1, wherein: the testing mechanism is composed of an assembling plate (6), counterweight plates (7) and locking pieces (8), the assembling plate (6) is movably installed at the top of the base (1) through an installation seat and an assembly short shaft (9), a gasket (5) is arranged below the front end of the assembling plate (6), the gasket (5) is fixedly connected with the base (1), an installation plate (10) is fixedly arranged on the upper surface of the assembling plate (6) corresponding to the gasket (5), an installation part (11) is fixedly installed on the installation plate (10) through bolts, and a plurality of counterweight plates (7) are movably installed on the installation part (11); a locking piece (8) is fixedly arranged on the mounting plate (10) at the front end of the counterweight plate (7).

5. The fatigue testing device for the front fork of the motorcycle according to claim 4, wherein: the mounting piece (11) is composed of a bottom plate (12) and a thread mounting rod (13), the thread mounting rod (13) is fixedly mounted on the bottom plate (12), mounting holes are formed in the bottom plate (12) on the periphery of the thread mounting rod (13), and a positioning nut (14) is arranged on the thread mounting rod (13).

6. The fatigue testing device for the front fork of the motorcycle according to claim 4, wherein: retaining member (8) be the platelike body of buckling, the front end central point of retaining member (8) is provided with locking hole (15), movable mounting has clamping pipe (18) in locking hole (15), be provided with expansion joint (16) on retaining member (8) of locking hole (15) front end, expansion joint (16) and locking hole (15) intercommunication are provided with on the retaining member (8) side end face that expansion joint (16) correspond and hoop tight hole (17), be provided with in hoop tight hole (17) and hoop tight screw.

7. The fatigue testing device for the front fork of the motorcycle according to claim 4, wherein: and hoisting lug plates (19) are fixedly arranged at the tops of the bases (1) on two sides of the assembling plate (6) at the rear end of the mounting plate (10) symmetrically.