CN210243078U - Fatigue life testing device of torque sensor - Google Patents
Fatigue life testing device of torque sensor Download PDFInfo
- Publication number
- CN210243078U CN210243078U CN201921440906.XU CN201921440906U CN210243078U CN 210243078 U CN210243078 U CN 210243078U CN 201921440906 U CN201921440906 U CN 201921440906U CN 210243078 U CN210243078 U CN 210243078U
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- Prior art keywords
- torque sensor
- fatigue life
- servo motor
- load device
- coupler
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- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- 239000006247 magnetic powder Substances 0.000 claims description 11
- 230000001133 acceleration Effects 0.000 abstract description 6
- 238000011156 evaluation Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model discloses a fatigue life testing device of a torque sensor, which belongs to the technical field of sensors and solves the problem that the fatigue life of the torque sensor is not tested or the life is not found by manually riding; the servo motor is connected with one end of the torque sensor through the first coupler, the other end of the torque sensor is connected with the load device through the second coupler, the servo motor is arranged to rotate according to the actual speed of a rider, the servo motor is transmitted to the torque sensor through the first coupler, the sudden acceleration and the gentle acceleration can be simulated after half an hour of pause, the normal pedaling and treading conditions are normally performed, the service life state of the final gravitational torque sensor is evaluated through a series of continuous actions of the load device, the riding conditions are simulated, the fatigue life of the torque sensor is suitable for being tested, the manual riding is replaced, the service life is found, the consumed time is short, the external environment consistency is good, the evaluation system is uniform, and reference is provided for improvement of comprehensive performance indexes of products.
Description
Technical Field
The utility model relates to a sensor technical field specifically is a fatigue life test device who relates to a torque sensor.
Background
The torque sensor system is a key component of the electric power-assisted bicycle, and the torque sensor is used for sensing and measuring the riding torque of a rider and providing a judgment basis for the power output of the electric drive unit. The torque sensor is a component for sensing the intention of the rider, and the life and stability of the torque sensor are important.
After the product is delivered, the fatigue life state under the actual working condition needs to be simulated. Most products in the market do not test the fatigue life of the torque sensor, or manually ride the torque sensor to find the fatigue life, the time consumption is long, the consistency of the external environment is poor, and the evaluation system is difficult to unify.
It is desirable to provide a fatigue life testing apparatus for a torque sensor, which aims to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an aim at provides a torque sensor's fatigue life test device, through the situation that the test device simulation was ridden, assesses torque sensor's life state, provides the reference for the improvement of product comprehensive properties index to solve the problem among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a torque sensor's fatigue life test device, includes servo motor, first shaft coupling, torque sensor, second shaft coupling and load device, servo motor passes through the one end of first shaft coupling connection torque sensor, and torque sensor's the other end passes through second shaft coupling connection load device.
As a further proposal, the loading device is internally provided with a magnetic powder brake.
As a further proposal of the utility model, the magnetic powder brake sleeve is arranged on the load input shaft connected with the second coupling.
As a further aspect of the present invention, the magnetic powder brake housing is fixedly mounted in the loading device by a plurality of bolts.
As a further aspect of the present invention, the servo motor is connected to an upper computer.
To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:
the utility model discloses a torque sensor's fatigue life test device, it must rotate to set up servo motor according to the actual speed of riding passerby, reach torque sensor through first shaft coupling, half an hour intermittent type, can simulate out suddenly with higher speed, gently with higher speed, normally step on the situation, by the final gravitation torque sensor's of a series of continuous action state of load device aassessment, simulate the situation of riding with this, be applicable to and test torque sensor ware fatigue life, replace riding with the manual work and carry out the life-span groping, weak point consuming time, the external environment uniformity is good, the evaluation system is comparatively unified, improve for the improvement of product comprehensive properties index and provide the reference.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals: 1-a servo motor, 2-a first coupler, 3-a torque sensor, 4-a second coupler and 5-a load device.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a fatigue life test device of torque sensor, including servo motor 1, first shaft coupling 2, torque sensor 3, second shaft coupling 4 and load device 5, servo motor 1 is through the one end of first shaft coupling 2 connection torque sensor 3, and load device 5 is connected through second shaft coupling 4 to torque sensor 3's the other end, the inside magnetic powder brake that is equipped with of load device 5, the magnetic powder brake cover is established on the load input shaft of being connected with second shaft coupling 4, and magnetic powder brake's casing passes through a plurality of bolt fixed mounting in load device 5.
The servo motor 1 is connected with an upper computer, the servo motor 1 is controlled by the upper computer, a motor driving program is set according to the actual speed of a rider, the servo motor 1 rotates and is transmitted to the torque sensor 3 through the first coupler 2, and the load device 5 is loaded on the other side of the torque sensor 3 to simulate the pedaling torque of the rider under normal road conditions; the program is set, and the conditions of sudden acceleration, gentle acceleration and normal pedaling can be simulated after the intermittent operation for half an hour.
When the conditions of sudden acceleration, mild acceleration or normal pedaling occur, the servo motor 1 can be transmitted to the load device 5 through the first coupler 2, the torque sensor 3 and the second coupler 4, and the magnetic powder brake in the load device 5 is installed on a load input shaft; therefore, when the load input shaft of the magnetic powder brake stops rotating, the torque sensor 3 is further driven to stop working, and the service life state of the torque sensor 3 is finally evaluated through a series of continuous actions so as to simulate the riding condition;
this embodiment passes through the bolt to be fixed magnetic particle brake in load device 5, replaces brake mechanisms such as current brake wheel, brake block, and through load device 5's magnetic particle brake braking, it needs to explain that magnetic particle brake purchases in market, is current ripe product.
The utility model discloses a torque sensor's fatigue life test device is applicable to and tests torque sensor ware fatigue life, replaces to ride with the manual work and carries out the life-span and touch the end, weak point consuming time, and the external environment uniformity is good, and the evaluation system is comparatively unified, improves for the improvement of product comprehensive properties index and provides the reference.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongings the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. Those skilled in the art will appreciate that other embodiments of the invention can be devised which do not require inventive effort and which fall within the scope of the present invention.
Claims (5)
1. The utility model provides a fatigue life test device of torque sensor, includes servo motor (1), first shaft coupling (2), torque sensor (3), second shaft coupling (4) and load device (5), its characterized in that, servo motor (1) is through the one end of first shaft coupling (2) connection torque sensor (3), and the other end of torque sensor (3) passes through second shaft coupling (4) and connects load device (5).
2. The fatigue life testing apparatus of the torque sensor according to claim 1, wherein a magnetic powder brake is provided inside the load device (5).
3. The fatigue life testing device of the torque sensor according to claim 2, wherein the magnetic powder brake is sleeved on a load input shaft connected with the second coupling (4).
4. The fatigue life testing apparatus of the torque sensor according to claim 3, wherein the housing of the magnetic powder brake is fixedly installed in the load device (5) by a plurality of bolts.
5. The fatigue life testing device of the torque sensor according to any one of claims 1 to 4, wherein the servo motor (1) is connected to an upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440906.XU CN210243078U (en) | 2019-09-02 | 2019-09-02 | Fatigue life testing device of torque sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440906.XU CN210243078U (en) | 2019-09-02 | 2019-09-02 | Fatigue life testing device of torque sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210243078U true CN210243078U (en) | 2020-04-03 |
Family
ID=69963566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921440906.XU Active CN210243078U (en) | 2019-09-02 | 2019-09-02 | Fatigue life testing device of torque sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210243078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639905A (en) * | 2021-08-02 | 2021-11-12 | 哈尔滨轮速科技有限公司 | Centre shaft torque sensor |
-
2019
- 2019-09-02 CN CN201921440906.XU patent/CN210243078U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113639905A (en) * | 2021-08-02 | 2021-11-12 | 哈尔滨轮速科技有限公司 | Centre shaft torque sensor |
| CN113639905B (en) * | 2021-08-02 | 2024-01-30 | 哈尔滨轮速科技有限公司 | Center shaft moment sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200814 Address after: Room 206-7, building 16, No. 1616, Chuangxin Road, Songbei District, Harbin City, Heilongjiang Province Patentee after: Harbin lunsu Technology Co.,Ltd. Address before: Room 105-8, No. 10 Jinshan Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU HAGONG TUOPU SENSING CONTROL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200916 Address after: Room 105-8, No. 10 Jinshan Road, Suzhou High-tech Zone, Jiangsu Province Patentee after: SUZHOU HAGONG TUOPU SENSING CONTROL TECHNOLOGY Co.,Ltd. Address before: Room 206-7, building 16, No. 1616, Chuangxin Road, Songbei District, Harbin City, Heilongjiang Province Patentee before: Harbin lunsu Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230705 Address after: Building 3, No. 901, the Pearl River Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Hagong Tuopu Zhixing Technology Co.,Ltd. Address before: Room 105-8, No. 10 Jinshan Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU HAGONG TUOPU SENSING CONTROL TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |