Steering gear anti-fatigue detection equipment

Abstract

The utility model provides steering gear anti-fatigue detection equipment, and belongs to the technical field of steering gears. The steering gear anti-fatigue detection equipment comprises a workbench, a friction device, a fixing device and a power assembly are arranged on the workbench, the fixing device is located between the friction device and the power assembly, the friction device comprises a sliding rail fixed to the workbench, a sliding block slides in the sliding rail, an annular supporting ring is fixed to the sliding block, and the supporting ring is fixed to the workbench. The steering device comprises a supporting ring, at least two clamping pins are arranged in the supporting ring in a sliding mode, the steering device is clamped through the clamping pins, a synchronous block is further arranged on the end face of one side of the supporting ring in a rotating mode, and two symmetrically-arranged laser generators are further installed on the synchronous block. The reciprocating rotation of the rotary drum replaces the power of a driver rotating a steering wheel in the use process of the steering gear, so that the working state of the steering gear can be quickly simulated.

Description

Technical Field

[0001] The utility model belongs to the field of steering gears, and in particular relates to anti-fatigue detection equipment for steering gears. Background Art

[0002] The function of the steering gear is to appropriately transform the steering torque and steering angle from the steering wheel, and then output it to the steering rod mechanism to make the car steer. Therefore, the steering gear is essentially a reduction transmission device. There are many types of steering gears, such as rack and pinion type, recirculating ball type, worm crank pin type, power steering, etc.

[0003] When the steering gear is in use, if the steering wheel is turned continuously for a long time, it will cause internal damage to the steering gear. Therefore, it needs to be inspected in advance to avoid exceeding its maximum continuous use times, which will cause steering gear damage and affect driving. However, there is a lack of inspection equipment for steering gears. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and provides a steering gear anti-fatigue detection device.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steering gear anti-fatigue detection device, comprising a workbench, on which a friction device, a fixing device and a power assembly are arranged, and the fixing device is located between the friction device and the power assembly;

[0006] The friction device includes a slide rail fixed on the workbench, a slider slides in the slide rail, an annular support ring is fixed on the slider, at least two bayonet pins are slidably arranged in the support ring, the steering gear is clamped by the bayonet pins, a synchronous block is also rotated on one end surface of the support ring, and two symmetrically arranged laser generators are also installed on the synchronous block;

[0007] The fixing device comprises a mounting block fixed on a workbench, a rotating drum is rotatably mounted on the mounting block, a mounting cavity is provided in the rotating drum, two symmetrically arranged laser receivers are mounted on one end surface of the rotating drum, wherein the laser generator corresponds to the laser receiver.

[0008] Optionally, a sliding groove is provided in the slide rail, the sliding block is located in the sliding groove, the pin in the support ring slides radially, one end face of the pin is provided with an end face thread, one end face of the support ring is rotatably connected with a threaded adjustment ring, the threaded adjustment ring cooperates with the pin thread, and a pressure rod is also slidably connected in the synchronization block, the pressure rod is fixed in the synchronization block by a spring, and the other side of the pressure rod is rotatably connected with an abutment wheel, and the center line of the abutment wheel is perpendicular to the center line of the support ring.

[0009] Optionally, a rubber pressure plate is provided on one side of the bayonet close to the center line of the support ring.

[0010] Optionally, a collar is fixed on the mounting block, and the rotating drum is installed in the collar, a notch is provided on an end surface of the rotating drum close to the slide rail, and a gear is fixed on an end surface of the rotating drum away from the slide rail.

[0011] Optionally, the power assembly includes a motor mounted on the workbench, a motor shaft of the motor is provided with a rotating wheel, and the rotating wheel is sleeved on the gear.

[0012] Optionally, an annular groove is formed on one end surface of the rotating wheel close to the mounting block, and a first rack and a second rack are fixed to the inner walls on both sides of the annular groove. The first rack and the second rack are on opposite sides and are both meshed with the gear.

[0013] In summary, compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. This equipment can replace the load on the steering gear during use through the rubber pressure plate on the bayonet, and replace the power of the driver turning the steering wheel during the use of the steering gear through the reciprocating rotation of the drum, so as to quickly simulate the working state of the steering gear.

[0015] 2. Then the steering gear will twist due to its own material fatigue, so the twisted steering gear will drive the synchronization block to deflect, causing the laser generator and laser receiver to deviate. The laser receiver cannot receive the signal from the laser generator, thereby issuing an alarm. In this way, the anti-fatigue performance of the steering gear can be detected, and the maximum number of continuous rotations of the steering gear can be detected, so as to judge its performance and avoid it. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model.

[0017] Figure 2 It is a half-section view of the utility model.

[0018] Figure 3 For this utility model Figure 2 Cross-sectional view along the AA direction.

[0019] Figure 4 For this utility model Figure 2 Enlarged view of point B in the middle.

[0020] 10. Workbench; 11. Slide rail; 12. Slider; 13. Support ring; 14. Threaded adjustment ring; 15. Pin; 16. Synchronous block; 17. Pressure rod; 18. Mounting block; 19. Rotating drum; 20. Mounting cavity; 21. Motor; 22. Rotating wheel; 23. Gear; 24. Laser generator; 25. Laser receiver; 26. First rack; 27. Second rack. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present invention.

[0022] As shown in Figures 1-4, a steering gear anti-fatigue detection device includes a workbench 10, on which a friction device, a fixing device and a power assembly are provided, the fixing device is located between the friction device and the power assembly, wherein the friction device includes a slide rail 11 fixed on the workbench 10, a slider 12 slides in the slide rail 11, an annular support ring 13 is fixed on the slider 12, at least two bayonet pins 15 are slidably provided in the support ring 13, the steering gear is clamped by the bayonet pins 15, one side end face of the support ring 13 is also rotatably provided with a synchronization block 16, and two symmetrically arranged laser generators are also installed on the synchronization block 16 Device 24, a slide groove is provided in the slide rail 11, the slider 12 is located in the slide groove, the pin 15 in the support ring 13 slides radially, one side end face of the pin 15 is provided with an end face thread, one side end face of the support ring 13 is rotatably connected with a threaded adjustment ring 14, the threaded adjustment ring 14 is threadedly matched with the pin 15, a rubber pressure plate is provided on the side of the pin 15 close to the center line of the support ring 13, and a pressure rod 17 is also slidably connected in the synchronization block 16, the pressure rod 17 is fixed in the synchronization block 16 by a spring, and the other side of the pressure rod 17 is rotatably connected with an abutment wheel, and the center line of the abutment wheel is perpendicular to the center line of the support ring 13.

[0023] The fixing device includes a mounting block 18 fixed on the workbench 10, on which a rotating drum 19 is rotatably mounted. A mounting cavity 20 is provided in the rotating drum 19, and two symmetrically arranged laser receivers 25 are mounted on one end surface of the rotating drum 19, wherein the laser generator 24 corresponds to the laser receiver 25.

[0024] A collar is fixed on the mounting block 18, and a rotating drum 19 is mounted in the collar. A notch is provided on the end face of the rotating drum 19 close to the slide rail 11, and a gear 23 is fixed on the end face of the rotating drum 19 away from the slide rail 11. The power assembly includes a motor 21 mounted on the workbench 10, a rotating wheel 22 is provided on the motor shaft of the motor 21, and the rotating wheel 22 is sleeved on the gear 23. An annular groove is provided on the end face of the rotating wheel 22 close to the mounting block 18, and a first rack 26 and a second rack 27 are fixed on the inner walls on both sides of the annular groove. The first rack 26 and the second rack 27 are on opposite sides and are both engaged with the gear 23.

[0025] When in use, one end of the steering gear needs to be inserted into the installation cavity 20, the inclined axis on the outer peripheral side of the steering gear is stuck in the notch on the rotating cylinder 19, and then the other end of the steering gear is inserted into the support ring 13, and then the friction device is adjusted to make the support ring 13 located on the smooth part of the steering gear, and then the threaded adjustment ring 14 is rotated to make the bayonet 15 move to the side close to the center line of the support ring 13 at the same time until the rubber pressure plate on the bayonet 15 abuts against the steering gear. When installing the steering gear, when the support ring 13 is put on the steering gear, the pressure rod 17 will compress the spring. At this time, since the support ring 13 slides on the steering gear, the abutting wheel can rotate.

[0026] After installation, the motor 21 can be started to rotate the rotating wheel 22. The rotation of the rotating wheel 22 will drive the gear 23 to reciprocate through the first rack 26 and the second rack 27, respectively. The gear 23 can drive the drum 19 to rotate, so that the steering gear reciprocates. Therefore, the load on the steering gear during use is replaced by the rubber pressure plate on the bayonet 15, and the reciprocating rotation of the drum 19 replaces the power of the driver turning the steering wheel during the use of the steering gear, so that the working state of the steering gear can be quickly simulated. After long-term use, the steering gear is twisted due to its own material fatigue. At this time, when the steering gear continues to be rotated, the abutting wheel on the pressure rod 17 cannot rotate with the steering gear as the center, so the twisted steering gear will drive the synchronous block 16 to deflect, so that the laser generator 24 and the laser receiver 25 deviate, and the laser receiver 25 cannot receive the signal of the laser generator 24, so as to alarm, so as to detect the anti-fatigue performance of the steering gear and detect the maximum number of continuous rotations of the steering gear, so as to judge its performance.

[0027] Obviously, the described embodiments are only a part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A steering gear anti-fatigue detection device, comprising a workbench (10), wherein the workbench (10) is provided with a friction device, a fixing device and a power assembly, and characterized in that: The fixing device is located between the friction device and the power assembly; The friction device comprises a slide rail (11) fixed on a workbench (10), a slider (12) sliding in the slide rail (11), an annular support ring (13) fixed on the slider (12), at least two bayonet pins (15) slidingly arranged in the support ring (13), the steering gear being clamped by the bayonet pins (15), a synchronous block (16) rotating on one end surface of the support ring (13), and two symmetrically arranged laser generators (24) being mounted on the synchronous block (16); The fixing device comprises a mounting block (18) fixed on a workbench (10), a rotating drum (19) being rotatably mounted on the mounting block (18), a mounting cavity (20) being provided in the rotating drum (19), two symmetrically arranged laser receivers (25) being mounted on one end surface of the rotating drum (19), wherein the laser generator (24) corresponds to the laser receiver (25).

2. The steering gear anti-fatigue detection device according to claim 1, characterized in that: A slide groove is provided in the slide rail (11), and the slider (12) is located in the slide groove. The bayonet (15) in the support ring (13) is radially slidable. One end face of the bayonet (15) is provided with an end face thread. One end face of the support ring (13) is rotatably connected with a thread adjustment ring (14). The thread adjustment ring (14) is threadedly matched with the bayonet (15). A pressure rod (17) is also slidably connected in the synchronization block (16). The pressure rod (17) is fixed in the synchronization block (16) by a spring. The other side of the pressure rod (17) is rotatably connected with an abutment wheel, and the center line of the abutment wheel is perpendicular to the center line of the support ring (13).

3. The steering gear anti-fatigue detection device according to claim 1, characterized in that: A rubber pressure plate is provided on one side of the bayonet (15) close to the center line of the support ring (13).

4. The steering gear anti-fatigue detection device according to claim 1, characterized in that: A sleeve ring is fixed on the mounting block (18), and the rotating drum (19) is installed in the sleeve ring. A notch is provided on the end surface of the rotating drum (19) close to the slide rail (11), and a gear (23) is fixed on the end surface of the rotating drum (19) away from the slide rail (11).

5. The steering gear anti-fatigue detection device according to claim 4 is characterized in that: The power assembly comprises a motor (21) mounted on the workbench (10), a motor shaft of the motor (21) is provided with a rotating wheel (22), and the rotating wheel (22) is sleeved on the gear (23).

6. The steering gear anti-fatigue detection device according to claim 5, characterized in that: An annular groove is provided on one end surface of the rotating wheel (22) close to the mounting block (18); a first rack (26) and a second rack (27) are fixed to the inner walls on both sides of the annular groove; the first rack (26) and the second rack (27) are located on opposite sides and are both meshed with the gear (23).

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