CN213985675U - Electric steering gear worm wheel fatigue life test bench - Google Patents
Electric steering gear worm wheel fatigue life test bench Download PDFInfo
- Publication number
- CN213985675U CN213985675U CN202022834161.4U CN202022834161U CN213985675U CN 213985675 U CN213985675 U CN 213985675U CN 202022834161 U CN202022834161 U CN 202022834161U CN 213985675 U CN213985675 U CN 213985675U
- Authority
- CN
- China
- Prior art keywords
- worm wheel
- worm
- steering gear
- fatigue life
- electric steering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses an electric steering gear worm wheel fatigue life test bench, including magnetic powder brake, torque sensor, first diaphragm shaft coupling, servo motor, worm, second diaphragm shaft coupling, infrared ray control by temperature change probe, magnetic powder brake applys the load moment of torsion to the worm wheel of being tried through first diaphragm shaft coupling, torque sensor is used for detecting magnetic powder brake's output torque, and infrared ray control by temperature change probe is used for detecting the surface temperature of the worm wheel of being tried, servo motor passes through second diaphragm shaft coupling drive worm and rotates, the worm with be tried worm wheel meshing transmission. The test bench can meet the requirements of testing the fatigue life of the worm wheel of the electric steering gear with different load torques and temperatures, and is simple in structure, convenient to operate, real and reliable in test data, easy to replace test sample pieces and capable of being operated by one person.
Description
Technical Field
The utility model relates to an automobile parts test equipment technical field especially relates to a worm wheel fatigue life's of electric steering gear test bench.
Background
In the field of passenger vehicles, the electric steering gear gradually replaces the traditional hydraulic steering gear due to the advantages of energy conservation, environmental protection and the like, the worm gear structure is one of the most common structures of the electric steering gear, and more than 95 percent of the electric steering gears adopt the structure. At present, worm gears of various large steering gear companies are imported worm gears, but the imported worm gears are expensive and the subsequent after-sale problem solving efficiency is low, so that the development of excellent domestic worm gears as soon as possible is the work of many domestic companies working in an effort at present. The worm wheel needs to detect each performance in the research and development process, wherein the fatigue life test is a very important and indispensable ring, and the test bench can mislead the product development if not satisfying the requirement, and development cycle is then prolonged to light, and the product is unqualified to the heavy side, influences safety in bus.
Therefore, it is necessary to develop a test bench dedicated for testing the fatigue life of the worm gear of the electric steering gear, which can meet the requirements of different load torques and test temperatures.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing an electric steering gear worm wheel fatigue life test bench can satisfy the requirement to different load torques and test temperature in the worm wheel fatigue life test process.
Therefore, the utility model discloses the technical scheme who adopts does: the utility model provides an electric steering gear worm wheel fatigue life test bench, includes magnetic powder brake, torque sensor, first diaphragm shaft coupling, servo motor, worm, second diaphragm shaft coupling, infrared ray control by temperature change probe, magnetic powder brake applys the load moment of torsion to being tried the worm wheel through first diaphragm shaft coupling, torque sensor is used for detecting magnetic powder brake's output torque, and infrared ray control by temperature change probe is used for detecting the surface temperature of being tried the worm wheel, servo motor passes through second diaphragm shaft coupling drive worm and rotates, worm and the worm wheel meshing transmission of being tried.
Preferably as above-mentioned scheme, electric steering gear worm wheel fatigue life test rack still includes the fixed bolster, the fixed bolster includes drum and pillar, servo motor is equipped with motor base, and the drum suit is outside the second diaphragm shaft coupling, and the one end of drum is installed outside servo motor, and the other end of drum passes through the pillar and supports, and the position department that the drum supplied the worm to penetrate is equipped with the bearing, it has the convenient maintenance of access hole and changes the dress worm to open on the drum.
Preferably, the support is fixed below the cylinder in a welding manner, and the motor bottom plate is fixed below the servo motor in a welding manner; the supporting columns and the motor bottom plate are in a convex shape, are provided with shared or independent pressing plates and are fixed on the iron floor by combining bolts.
Preferably, the shaft of the torque sensor is connected with the magnetic powder brake through a flat key, and the two ends of the first diaphragm coupler are respectively connected with the shaft of the tested worm gear and the shaft of the torque sensor.
Preferably, the magnetic powder brake and the torque sensor are respectively provided with a convex base, the two bases are provided with a shared or independent pressing plate, and the two bases are fixed on an iron floor by combining bolts.
Preferably, the two ends of the first diaphragm coupler and the two ends of the second diaphragm coupler are fastened by bolts, so that sliding friction is not generated in the test process, and the test data are further ensured to be real and reliable.
Further preferably, the magnetic powder brake, the torque sensor, the first diaphragm coupling and the tested worm wheel are collinear in the axis, and the servo motor, the worm, the second diaphragm coupling and the cylinder are collinear in the axis, so that the layout is optimized, and the space is saved.
More preferably, the infrared temperature control probe is fixedly mounted on a shaft of the tested worm gear, and the infrared temperature control probe is mounted by the shaft of the tested worm gear without separately arranging a mounting bracket.
Further preferably, the fatigue life test bench for the worm gear of the electric steering gear is also provided with a cooling fan, and the temperature of the surface of the worm gear can be in a balanced state by adjusting the air volume and the distance of the cooling fan.
The utility model has the advantages that: the test bench can meet the requirements of testing the fatigue life of the worm wheel of the electric steering gear with different load torques and temperatures, and is simple in structure, convenient to operate, real and reliable in test data, easy to replace test sample pieces and capable of being operated by one person.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will be further described by way of examples with reference to the accompanying drawings:
as shown in figure 1, the electric steering gear worm wheel fatigue life testing bench is mainly composed of a magnetic powder brake 1, a torque sensor 2, a first diaphragm coupling 3, a servo motor 6, a worm 7, a second diaphragm coupling 8 and an infrared temperature control probe 9.
The magnetic powder brake 1 applies load torque to a tested worm wheel 4 through the first diaphragm coupler 3, and the magnetic powder brake 1 achieves the purpose of changing the load torque by changing the parameters of self input current. The torque sensor 2 is used to detect the output torque of the magnetic particle brake 1. When the device is specifically arranged, the shaft of the torque sensor 2 is connected with the magnetic powder brake 1 through a flat key, and the two ends of the first diaphragm coupler 3 are respectively connected with the shaft of the tested worm wheel 4 and the shaft of the torque sensor 2.
The infrared temperature control probe 9 is used for detecting the surface temperature of the tested worm wheel 4. Preferably, the infrared temperature control probe 9 is fixedly installed on the shaft of the tested worm gear 4, vertically aligns to the meshing surface of the tested worm gear 4, collects the temperature of the surface of the tested worm gear in the test process, can adjust the distance from the infrared temperature control probe 9 to the surface of the tested worm gear 4 according to the specific test requirements, and transmits the test result to the test software.
The servo motor 6 drives the worm 7 to rotate through the second diaphragm coupler 8, and the worm 7 is in meshing transmission with the tested worm wheel 4. The rear end of the servo motor 6 is connected with a servo control system through a cable, and the servo control system changes the rotating speed and the rotating direction of the servo motor 6.
Preferably, a fixed bracket 5 is also provided. The fixed support 5 comprises two parts, namely a cylinder 5a and a support 5b, and is fixedly connected together. The servo motor 6 is equipped with motor base 6a, and drum 5a suit is outside second diaphragm coupling 8, and the one end of drum 5a passes through the bolt and installs outside servo motor 6, and the other end of drum 5a passes through pillar 5b and supports, and worm 7 penetrates and links to each other with second diaphragm coupling 8 in the drum 5 a. The position of the cylinder 5a for the penetration of the worm 7 is provided with a bearing, and the cylinder 5a is provided with an access hole 5c which is convenient for overhauling and replacing the worm 7.
The support 5b is welded and fixed below the cylinder 5a, and the motor bottom plate 6a is welded and fixed below the servo motor 6. The support 5b and the motor bottom plate 6a are both in a convex shape, are provided with shared or independent press plates and are fixed on the iron floor by combining bolts.
The magnetic powder brake 1 and the torque sensor 2 are respectively provided with a base in a shape like a Chinese character 'tu', the two bases are provided with a shared pressing plate or independent pressing plates respectively, and are fixed on an iron floor by combining bolts.
The two ends of the first diaphragm coupler 3 and the second diaphragm coupler 8 are fastened by bolts, and sliding friction cannot occur in the test process. Preferably, the electric steering gear worm wheel fatigue life test stand is further equipped with a cooling fan (not shown in the figure).
The magnetic powder brake 1, the torque sensor 2, the first diaphragm coupling 3 and the tested worm wheel 4 are collinear in the axis, and the servo motor 6, the worm 7, the second diaphragm coupling 8 and the cylinder 5a are collinear in the axis.
The test bed can not only complete test actions as required, but also provide whole-course data in the test process for subsequent analysis. The worm wheel passes through the worm and is connected with servo motor, provide different rotational speed and direction of rotation by servo motor as required, the worm wheel passes through the diaphragm coupling and is connected with magnetic powder brake simultaneously, provide different load torques through adjusting magnetic powder brake parameter, torque sensor and infrared ray control by temperature change probe are used for monitoring the temperature on moment of torsion and worm wheel surface in the testing process respectively, the temperature on worm wheel surface can make it reach balanced state through the amount of wind and the distance of adjusting radiator fan, through data such as the whole angle of test of computer record, the moment of torsion, temperature in the testing process, and the experimental number of cycles of record. Whether the worm wheel is out of work or not can be judged by monitoring the torque signal and the temperature signal in the test process, and when the worm wheel and the worm are normally meshed, the torque signal and the temperature signal are required to be at the test requirement level. When the worm wheel fails, the worm idles, the torque signal is sharply reduced at the moment, the torque signal is finally stabilized by about 0Nm, and the temperature signal is also reduced and stabilized at a room temperature value.
Claims (9)
1. The utility model provides an electric steering gear worm wheel fatigue life test bench which characterized in that: including magnetic powder brake (1), torque sensor (2), first diaphragm coupling (3), servo motor (6), worm (7), second diaphragm coupling (8), infrared ray control by temperature change probe (9), load torque is applyed to being tried worm wheel (4) through first diaphragm coupling (3) in magnetic powder brake (1), torque sensor (2) are used for detecting the output torque of magnetic powder brake (1), and infrared ray control by temperature change probe (9) are used for detecting the surface temperature of being tried worm wheel (4), servo motor (6) rotate through second diaphragm coupling (8) drive worm (7), worm (7) with being tried worm wheel (4) meshing transmission.
2. The electric steering gear worm wheel fatigue life test bench of claim 1, characterized in that: still include fixed bolster (5), fixed bolster (5) include drum (5 a) and pillar (5 b), servo motor (6) are equipped with motor bottom plate (6 a), and drum (5 a) suit is outside second diaphragm coupling (8), and the one end of drum (5 a) is installed outside servo motor (6), and the other end of drum (5 a) passes through pillar (5 b) and supports, and the position department that drum (5 a) supplied worm (7) to penetrate is equipped with the bearing, it has access hole (5 c) convenient maintenance and changes dress worm (7) to open on drum (5 a).
3. The electric steering gear worm wheel fatigue life test bench of claim 2, characterized in that: the support (5 b) is fixedly welded below the cylinder (5 a), and the motor bottom plate (6 a) is fixedly welded below the servo motor (6); the supporting columns (5 b) and the motor bottom plate (6 a) are in a convex shape, are provided with shared or independent pressing plates, and are fixed on the iron floor by combining bolts.
4. The electric steering gear worm wheel fatigue life test bench of claim 1, characterized in that: the shaft of the torque sensor (2) is connected with the magnetic powder brake (1) through a flat key, and the two ends of the first diaphragm coupler (3) are respectively connected with the shaft of the tested worm wheel (4) and the shaft of the torque sensor (2).
5. The electric steering gear worm wheel fatigue life test bench of claim 1, characterized in that: the magnetic powder brake (1) and the torque sensor (2) are respectively provided with a base in a shape like a Chinese character 'tu', the two bases are provided with a shared pressing plate or independent pressing plates respectively, and are fixed on an iron floor by combining bolts.
6. The electric steering gear worm wheel fatigue life test bench of claim 1, characterized in that: the two ends of the first diaphragm coupler and the second diaphragm coupler (3 and 8) are fastened by bolts, and sliding friction cannot occur in the test process.
7. The electric steering gear worm wheel fatigue life test bench of claim 1, characterized in that: the magnetic powder brake (1), the torque sensor (2), the first diaphragm coupler (3) and the tested worm wheel (4) are collinear at the axle centers, and the servo motor (6), the worm (7), the second diaphragm coupler (8) and the cylinder (5 a) are collinear at the axle centers.
8. The electric steering gear worm wheel fatigue life test bench of claim 1, characterized in that: the infrared temperature control probe (9) is fixedly arranged on a shaft of the tested worm gear (4).
9. The electric steering gear worm wheel fatigue life test bench of claim 1, characterized in that: and a heat radiation fan is also arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834161.4U CN213985675U (en) | 2020-11-30 | 2020-11-30 | Electric steering gear worm wheel fatigue life test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022834161.4U CN213985675U (en) | 2020-11-30 | 2020-11-30 | Electric steering gear worm wheel fatigue life test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213985675U true CN213985675U (en) | 2021-08-17 |
Family
ID=77268724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022834161.4U Active CN213985675U (en) | 2020-11-30 | 2020-11-30 | Electric steering gear worm wheel fatigue life test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213985675U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114010A (en) * | 2021-11-22 | 2022-03-01 | 深圳市亚加电机有限公司 | Motor performance test tool |
| CN114577467A (en) * | 2022-03-18 | 2022-06-03 | 盛瑞传动股份有限公司 | Gear welding assembly test method and torsional fatigue test stand |
| CN116678616A (en) * | 2023-08-02 | 2023-09-01 | 无锡钱桥纺机设备有限公司 | Worm gear fatigue test device |
-
2020
- 2020-11-30 CN CN202022834161.4U patent/CN213985675U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114010A (en) * | 2021-11-22 | 2022-03-01 | 深圳市亚加电机有限公司 | Motor performance test tool |
| CN114577467A (en) * | 2022-03-18 | 2022-06-03 | 盛瑞传动股份有限公司 | Gear welding assembly test method and torsional fatigue test stand |
| CN114577467B (en) * | 2022-03-18 | 2024-05-07 | 盛瑞传动股份有限公司 | Gear welding assembly test method and torsional fatigue test bed |
| CN116678616A (en) * | 2023-08-02 | 2023-09-01 | 无锡钱桥纺机设备有限公司 | Worm gear fatigue test device |
| CN116678616B (en) * | 2023-08-02 | 2023-10-13 | 无锡钱桥纺机设备有限公司 | Worm gear fatigue test device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213985675U (en) | Electric steering gear worm wheel fatigue life test bench | |
| CN102288400B (en) | Stirring tube driving speed reducer static test device | |
| CN105277375B (en) | A kind of Electric Motor Wheel is comprehensive performance test bed | |
| CN103487265B (en) | Automobile power steering system research and development and performance detecting platform | |
| CN106226070B (en) | One kind being directed to different size transmission shaft real vehicle analog vibration testing stand | |
| CN103134692A (en) | Simulation test board line frame and test method for electric car power-driven system | |
| CN103439117B (en) | Vehicle electrical driving wheel multi-function test stand | |
| CN104535335A (en) | Multi-axial loading axle assembly endurance test bed | |
| US6860145B2 (en) | Chassis dynamometer | |
| CN102564772B (en) | Testing device for electronic parking brake system | |
| CN111594136B (en) | Multifunctional power drilling tool experiment platform | |
| CN206348141U (en) | A kind of non-driven steeraxle wheel hub torque detection testing device | |
| CN203502239U (en) | Researching, developing and performance-testing platform for automobile power steering system | |
| CN213632694U (en) | Steering simulation rack for detecting comprehensive performance of automobile EPS system | |
| CN205607638U (en) | Drive axle assembly detection device that operates | |
| CN205192753U (en) | Automobile wheel hub bearing fatigue life testing machine | |
| CN110160780B (en) | Dynamic and static vertical loading device for electric wheel performance test bench | |
| CN206038309U (en) | Real turning mold plans vibration test platform to different specification transmission shafts | |
| CN210322325U (en) | Electronic parking system test device for reduction gearbox | |
| CN205607653U (en) | Bridge assembly bench test machine | |
| CN104806733B (en) | A kind of Torque test structures and methods based on shaft strength | |
| CN204286781U (en) | The static test bed of super-heavy load shaft coupling | |
| CN217211390U (en) | Comprehensive test device for armored vehicle turret steering gear | |
| CN205580746U (en) | Stopper test bench device | |
| CN112033700A (en) | Automobile simulation test board |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 401121 No. 9, Jinyu Avenue, Beibu new area, Yubei District, Chongqing Patentee after: China Automotive Engineering Research Institute Co.,Ltd. Patentee after: China Automobile Research Institute (Jiangsu) Automotive Engineering Research Institute Co., Ltd Address before: No.9 Jinyu Avenue, new North District, Chongqing Patentee before: China Automotive Engineering Research Institute Co.,Ltd. Patentee before: Suzhou Kairui automobile testing and R & D Co., Ltd |
|
| CP03 | Change of name, title or address |