CN220542420U - Multi-mode windscreen wiper motor gear strength testing device - Google Patents
Multi-mode windscreen wiper motor gear strength testing device Download PDFInfo
- Publication number
- CN220542420U CN220542420U CN202322143478.7U CN202322143478U CN220542420U CN 220542420 U CN220542420 U CN 220542420U CN 202322143478 U CN202322143478 U CN 202322143478U CN 220542420 U CN220542420 U CN 220542420U
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- gear
- mounting bracket
- wiper motor
- output shaft
- backstop
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000009434 installation Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a multi-mode wiper motor gear strength testing device which comprises a back plate, a bottom plate and a mounting bracket, wherein a limiting block is arranged at the top of the mounting bracket, a push rod is arranged at the bottom of the mounting bracket, a backstop nut is arranged on the push rod, a backstop pressing block is arranged at the front part of the mounting bracket, and a gear output shaft through hole is arranged at the rear part of the mounting bracket and at the joint of the mounting bracket and the back plate. The backstop pressing block is provided with an adjusting bolt, and the bottom plate is provided with a handle. The utility model can realize the state that the gear on the gear output shaft is meshed with the worm at the head part of the motor armature shaft, thereby achieving the real use and installation state. In the test, the device can not rotate reversely and float, and can reflect three failure modes of gear shaving, gear splitting, sliding at the joint of the gear output shaft and the gear. Therefore, the gear strength of the wiper motor can be tested quickly, safely and stably, and powerful guarantee is provided for the quality and normal operation of the wiper motor.
Description
Technical Field
The utility model relates to a windscreen wiper motor gear strength testing device applied to an automobile windscreen wiper test.
Background
At present, a wiper (also called a wiper) is an indispensable part of an automobile, and the wiper is used for receiving power transmitted by a wiper motor and a connecting rod mechanism and generating wiper arm pressure at the same time, and wiping the windshield by a wiper blade so as to clean foreign matters on the windshield. When a wiper motor (which comprises a motor armature shaft and a gear output shaft with a gear which are connected) is subjected to a gear strength test, two methods exist in the industry: a wiper motor is fixed, a torque wrench is used for pulling a gear output shaft to test the strength of the gear, and the gear strength test can be realized under the condition that the gear is stressed in a real use and installation state, but when the damaged strength of the gear is larger than the self-locking strength of the gear and a worm at the head of an armature shaft of the motor, the rotation phenomenon can occur, so that the test can not be continued. The other is to clamp the half of the gear by a bench vice, then pull the gear output shaft by a torque wrench to test the gear strength, the situation of the real use and installation state cannot be realized, the damaged form is only one condition that the combined position of the gear output shaft and the gear slides, and the other two damage conditions of gear shaving and gear splitting cannot be realized.
Disclosure of Invention
The utility model aims to overcome the technical defects, and provides the multi-mode wiper motor gear strength testing device which can test the gear strength on the gear output shaft and show the real use installation state and various multi-mode real failure modes.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a multimode windscreen wiper motor gear strength testing arrangement, includes backplate, bottom plate, installing support, and the rear portion of this installing support is adorned on the backplate the stopper is equipped with at the top of installing support, and the ejector pin is equipped with its bottom, is equipped with the backstop nut on this ejector pin the backstop briquetting is equipped with at the front portion of installing support the rear portion of installing support and the department of meeting with the backplate are equipped with the gear output shaft through-hole.
The backstop pressing block is provided with an adjusting bolt, and the bottom plate is provided with a handle. The limiting block, the ejector rod and the retaining nut are respectively arranged on the left side and the right side of the mounting bracket.
After the structure of the utility model is adopted, the gear output shaft with the gear, which needs to be tested in strength, is inserted into the gear output shaft through hole which is formed by the mounting bracket and the back plate, the motor armature shaft is mounted on the mounting bracket, one end of the motor armature shaft is fixed by the limiting block, and the other end of the motor armature shaft is fixed by the ejector rod and the backstop nut, so that the motor armature shaft can not generate the phenomena of axial movement and reverse rotation in the test, and the state that the gear on the gear output shaft is meshed with the worm at the head part of the motor armature shaft can be realized, thereby achieving the real use and mounting state. In the test, the device can not rotate reversely and float, and can reflect three failure modes of gear shaving, gear splitting, sliding at the joint of the gear output shaft and the gear. Therefore, the gear strength of the wiper motor can be tested quickly, safely and stably, and powerful guarantee is provided for the quality and normal operation of the wiper motor.
Drawings
Fig. 1 is a schematic diagram of an installation structure of a gear strength testing device of a multimode wiper motor according to the present utility model.
Fig. 2 is a left side view of fig. 1.
Detailed Description
The utility model is described in detail below with reference to the drawings and the detailed description.
Referring to fig. 1 and 2, the multi-mode wiper motor gear strength testing device applied to a wiper motor test of an automobile wiper according to the utility model comprises a back plate 13 (longitudinally arranged), a bottom plate 14 (transversely arranged) and a mounting bracket 3, wherein the back part of the mounting bracket 3 is arranged on the back plate 13 (through a bracket bolt 4), a limiting block 2 (and a limiting block bolt 1) is arranged at the top of the mounting bracket 3, a push rod 7 is arranged at the bottom of the mounting bracket, a retaining nut 6 is arranged on the push rod 7, a retaining press block 10 is arranged at the front part (front surface) of the mounting bracket 3, a gear output shaft through hole 20 is arranged at the back part of the mounting bracket 3 and at the joint of the back plate (namely, the back part of the mounting bracket and the back plate are both provided with communicated gear output shaft through holes for mounting a gear output shaft 19 to be tested), and a sleeve connector 18 (hexagon) and a flange nut 17 (hexagon) are sequentially arranged at the outer end part of the gear output shaft 19 to be tested. Namely, the sleeve connector which is provided with the same taper hole and the equivalent machining hobbing with the gear output shaft is locked by using the flange nut. Then sleeve with consistent edge size is sleeved on the sleeve connecting head, and then a torque wrench is connected with the sleeve and is pulled clockwise or anticlockwise, so that the strength of the gear of the wiper motor is tested rapidly, safely and stably.
In order to adjust the compression degree of the anti-back pressure block on the tested gear output shaft and the test use is convenient to move, an adjusting bolt 11 (capable of adjusting the advance and retreat of the anti-back pressure block) is arranged on the anti-back pressure block 10, and a lifting handle 16 (the bottom of the bottom plate is provided with a foot 15) is arranged on the bottom plate 14. The limiting block 2 (and the limiting block bolt 1), the ejector rod 7 and the retaining nut 6 are respectively arranged on the left side and the right side of the mounting bracket 3, so that two different sets of motor armature shafts 5 (such as 50 watts on the right side and 80 watts on the left side) can be conveniently and sequentially mounted for testing. The mounting bracket 3 is fixed to the back plate 13 using the bracket bolts 4, and the back plate 13 is mounted to the bottom plate 14.
As shown in fig. 1 and 2, a gear output shaft 19 with a gear 8 (50 watt or 80 watt mode) which needs to be tested for strength is correctly inserted into a gear output shaft through hole 20 (the inner diameter of the through hole is matched with the diameter of the gear output shaft) which is communicated with a back plate 13 of a mounting bracket 3, a motor armature shaft 5 (corresponding to 50 watt or 80 watt) is mounted on the longitudinal position of the mounting bracket 3, one end of the motor armature shaft is fixed by a limiting block 2, the other end of the motor armature shaft is fixed by a push rod 7 and a retaining nut 6, so that the axial play and reverse rotation phenomenon of the whole motor armature shaft cannot occur in the test, the gear 8 (plastic) is meshed with the head part (namely a worm) of the motor armature shaft 5, and then a retaining pressing plate 10 is covered and an adjusting bolt 11 on the retaining pressing plate is screwed to prevent the axial play of the gear output shaft. Then, the flange nut 17 is used for locking the sleeve connector 18 which has the same taper hole and equivalent machining hobbing with the gear output shaft at the end of the gear output shaft, then a sleeve with the same opposite side size is sleeved on the sleeve connector, then a torque wrench is connected with the sleeve, and the torque wrench is pulled clockwise or anticlockwise, so that the actual engagement failure mode (such as multiple modes of gear shaving, gear splitting, sliding at the joint of the gear output shaft and the gear) can be tested in the actual use and installation state. When the windscreen wiper motor is installed, the distance between the center of the motor armature shaft and the center of the hole for installing the gear output shaft is consistent with the center distance of the windscreen wiper motor in the assembled state. The components such as the bottom plate 14, the back plate 13, the anti-back pressing block 10, the ejector rod 7, the mounting bracket 3, the limiting block 2 and the like are all metal steel plates, so that the structure is stable.
The wiper motor for testing the gear strength can be further expanded and extended to be automobile micro motors such as seat motors, skylight motors, glass lifting motors and the like.
Claims (3)
1. The utility model provides a multimode windscreen wiper motor gear strength testing arrangement, includes backplate, bottom plate, installing support, and the rear portion of this installing support is adorned on the backplate, at its characterized in that: the top of the mounting bracket is provided with a limiting block, the bottom of the mounting bracket is provided with a push rod, the push rod is provided with a backstop nut, the front part of the mounting bracket is provided with a backstop pressing block, and the rear part of the mounting bracket and the joint of the rear part and the backboard are provided with gear output shaft through holes.
2. The multi-mode wiper motor gear strength testing device according to claim 1, wherein: the backstop pressing block is provided with an adjusting bolt, and the bottom plate is provided with a handle.
3. The multi-mode wiper motor gear strength testing apparatus according to claim 1 or 2, wherein: the limiting block, the ejector rod and the retaining nut are respectively arranged on the left side and the right side of the mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143478.7U CN220542420U (en) | 2023-07-31 | 2023-07-31 | Multi-mode windscreen wiper motor gear strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322143478.7U CN220542420U (en) | 2023-07-31 | 2023-07-31 | Multi-mode windscreen wiper motor gear strength testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542420U true CN220542420U (en) | 2024-02-27 |
Family
ID=89970068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322143478.7U Active CN220542420U (en) | 2023-07-31 | 2023-07-31 | Multi-mode windscreen wiper motor gear strength testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542420U (en) |
-
2023
- 2023-07-31 CN CN202322143478.7U patent/CN220542420U/en active Active
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