CN213934035U - Automobile clock spring and angle sensor endurance test device - Google Patents
Automobile clock spring and angle sensor endurance test device Download PDFInfo
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- CN213934035U CN213934035U CN202022170027.9U CN202022170027U CN213934035U CN 213934035 U CN213934035 U CN 213934035U CN 202022170027 U CN202022170027 U CN 202022170027U CN 213934035 U CN213934035 U CN 213934035U
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- clock spring
- transmission shaft
- angle sensor
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- 238000004891 communication Methods 0.000 claims abstract description 8
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Abstract
The utility model discloses an automobile clock spring and angle sensor endurance test device, servo motor provides power and increases the moment of torsion through the speed reducer and then transmits to the gear transmission case through the transmission shaft, the transmission shaft is connected with the input end transmission of the gear transmission case, the output end of the gear transmission case is connected with the transmission plate transmission, the gear transmission case converts the rotating direction transmitted along the transmission shaft into the central rotating direction of the transmission plate; the front side of the mounting table top is provided with a simulation mounting fixture, a test rod is arranged in the simulation mounting fixture, and the test rod penetrates through the back side of the mounting table top and is in transmission connection with the transmission plate through a bearing and a bearing fixing plate thereof; during testing, the automobile clock spring is placed in the simulation mounting fixture, sleeved on the test rod and fixed through the pressing block; the angle sensor assembled on the automobile clock spring is in communication connection with the industrial personal computer through the data acquisition card, and the industrial personal computer is in communication connection with the servo motor through the motor driver.
Description
Technical Field
The utility model relates to a durability test technical field, especially a car clock spring and angle sensor endurance test device.
Background
With the continuous progress of automobile science and technology and technological level, the functional integration level of automobile products is higher and higher. Many combination switches not only have switch functions such as "turn to lane change lamp", "far and near light", "windscreen wiper" and "windscreen wiper speed governing", have still integrated clock spring and angle sensor function. The clock spring is used for connecting the safety airbag, the loudspeaker and several sections of flexible flat cables of the multifunctional steering wheel switch; the angle sensor is integrated with a clock spring on a module, and the Hall sensor is used for calculating the rotating angle value of the steering wheel so as to provide an angle signal for a vehicle body electronic stabilizing system and the like.
In the current endurance test to clock spring and angle sensor, need according to the rotation angle and the cycle number that design is good, come and go the reciprocal rotation clock spring and measure the deviation of actual rotation angle and angle sensor measuring value to guarantee the clock spring of experimental sample spare and the life that angle sensor can reach the reliability requirement. And environmental factor pressure is required to be considered in the life test, so the test is required to be carried out in a temperature box. According to the requirement of the reliability of the product, a plurality of samples must be tested to meet the requirement, and the efficiency can be improved and the test time can be shortened by simultaneously testing the plurality of samples. However, the current test equipment can not meet the test requirements.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough, provide a car clock spring and angle sensor endurance test device.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a durability test device for an automobile clock spring and an angle sensor comprises a servo motor, a speed reducer, a transmission shaft, a gear transmission box, a transmission plate, a transmission shaft, a mounting table board, a test rod, a simulation mounting fixture and a pressing block; the servo motor provides power, the torque of the power is increased through the speed reducer and then the power is transmitted to the gear transmission box through the transmission shaft, the transmission shaft is in transmission connection with the input end of the gear transmission box, the output end of the gear transmission box is in transmission connection with the transmission plate, and the gear transmission box converts the rotation direction transmitted along the transmission shaft into the central rotation direction of the transmission plate; the front side of the mounting table top is provided with a simulation mounting fixture, a test rod is arranged in the simulation mounting fixture, and the test rod penetrates through the back side of the mounting table top and is in transmission connection with the transmission plate through a bearing and a bearing fixing plate thereof; during testing, the automobile clock spring is placed in the simulation mounting fixture, sleeved on the test rod and fixed through the pressing block; the angle sensor assembled on the automobile clock spring is in communication connection with the industrial personal computer through the data acquisition card, and the industrial personal computer is in communication connection with the servo motor through the motor driver.
In the technical scheme, the speed reducer is in transmission connection with the transmission shaft through the coupler.
In the technical scheme, the servo motor, the speed reducer, the transmission shaft, the gear transmission box, the transmission plate, the transmission shaft, the mounting table board, the testing rod, the simulation mounting fixture and the pressing block are assembled on the support frame, and the bottom of the support frame is also provided with the height-adjustable anti-skidding vibration pad.
In the technical scheme, the back surface of the mounting table surface is mounted on the support frame at an acute angle of inclination.
In the technical scheme, the transmission shaft is arranged in the horizontal transmission rod, and the gear transmission box is assembled on the horizontal transmission rod.
The utility model has the advantages that: overall structure is simple and the good reliability, can carry out synchronous test to a plurality of samples simultaneously, raises the efficiency.
Drawings
Fig. 1 is a schematic view of the front structure of the present invention.
Fig. 2 is a schematic diagram of the front structure of the present invention.
Fig. 3 is a schematic diagram of the back structure of the present invention.
In the figure, 1, a servo motor; 2. a speed reducer; 3. a gear transmission case; 4. a drive plate; 5. a drive shaft; 6. mounting a table top; 7. a test rod; 8. simulating a mounting fixture; 9. briquetting; 10. a coupling; 11. a support frame; 12. a horizontal transmission rod; 13. an automotive clock spring; 14. bearing and bearing fixed plate thereof.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, an endurance test device for an automobile clock spring and an angle sensor comprises a servo motor 1, a speed reducer 2, a transmission shaft 5, a gear transmission case 3, a transmission plate 4, a transmission shaft 5, an installation table 6, a test rod 7, a simulation installation clamp 8 and a pressing block 9; the servo motor 1 provides power, the torque of the power is increased through the speed reducer 2, the power is transmitted to the gear transmission box 3 through the transmission shaft 5, the transmission shaft 5 is in transmission connection with the input end of the gear transmission box 3, the output end of the gear transmission box 3 is in transmission connection with the transmission plate 4, and the gear transmission box 3 converts the rotation direction transmitted along the transmission shaft 5 into the central rotation direction of the transmission plate 4; the front side of the mounting table top 6 is provided with a simulation mounting fixture 8, a test rod 7 is arranged in the simulation mounting fixture 8, and the test rod 7 penetrates through the back side of the mounting table top 6 and is in transmission connection with the transmission plate 4 through a bearing and a bearing fixing plate 14 thereof; during testing, the automobile clock spring 13 is placed in the simulation mounting fixture 8, sleeved on the test rod 7 and fixed through the pressing block 9; an angle sensor assembled on the automobile clock spring 13 is in communication connection with an industrial personal computer through a data acquisition card, and the industrial personal computer is in communication connection with the servo motor 1 through a motor driver. The gear transmission box 3 is internally provided with a gear set which is formed by two bevel gears in a transmission combination mode, the bevel gear at the input end is connected with the transmission shaft 5, and the bevel gear at the output end is connected with the transmission plate 4. The speed reducer 2 is in transmission connection with the transmission shaft 5 through a coupler 10.
Specifically, servo motor 1, speed reducer 2, transmission shaft 5, gear drive case 3, driving plate 4, transmission shaft 5, installation mesa 6, test bar 7, simulation sectional fixture 8 and briquetting 9 assemble on support frame 11, still are provided with height-adjustable's anti-skidding crash pad in the bottom of support frame 11. The back surface of the mounting table top 6 is arranged on the support frame 11 at an acute angle; the inclined surface faces to the working personnel, and the installation and the disassembly of the automobile clock spring 13 and the angle sensor by the working personnel are more convenient. The support frame 11 is built in the temperature box.
Specifically, the transmission shaft 5 is arranged in a horizontal transmission rod 12, and the gear transmission case 3 is assembled on the horizontal transmission rod 12; the transmission shaft 5 is mainly ensured to be protected, and the interference of the outside to the transmission shaft 5 is avoided.
The industrial computer is connected with the motor driver through a serial port, the servo motor is connected with the mechanical transmission shaft through the coupler, the mechanical transmission shaft is connected with the test rod of the sample, and the sample is fixed on the clamp and the clock spring is fixed on the test rod through the pressing block.
The simulation mounting fixture on the test device is designed according to the type of the steering column interface of the combination switch, is simple to mount and is fastened through screws. The clock spring is fixed with the test rod through the pressing block. The test rod passes through driving plate, gear drive case and is connected with the transmission shaft, and the transmission shaft passes the side trompil of temperature case, is connected with servo motor through the shaft coupling, can carry out the high low temperature environment endurance test of sample like this, keeps apart servo motor again, and the extension motor life ensures servo motor operating stability moreover. The servo motor is assembled with the speed reducer, so that the torque is increased, and the rotation of six sample clock springs can be driven simultaneously in a high-temperature and low-temperature environment. The industrial personal computer software is developed based on LABVIEW, can directly call the compiled test instruction, generates a control signal, and controls the servo motor to move through the motor driver. The servo motor drives the transmission shaft and the testing rod to rotate according to the angle set by the instruction, and the durability test that the clock spring rotates continuously is realized. In the testing process, the software of the industrial personal computer can monitor the functional state of the product, the resistance value of the clock spring loop and the deviation value of the angle sensor and the actual rotating angle, and the product failure in the testing process can be found in time.
The endurance test device needs to complete the endurance test of the product by the cooperation of an industrial personal computer, a data acquisition card and a motor driver. And installing application software on the industrial personal computer, and directly calling the compiled script to realize motor control and monitoring of product functions, clock spring resistance and angle deviation values. The industrial computer sends an angle rotation instruction to the motor driver, the motor driver converts the angle rotation instruction into a control signal, the servo motor is driven to move, and the clock spring on the transmission shaft and the test rod is driven to rotate by a corresponding angle. And meanwhile, the industrial personal computer acquires the functional signals of the sample, the resistance value of the clock spring and the deviation value of the angle sensor and the actual rotation angle through the data acquisition card. The endurance test device also reserves the mounting position of the heating load of the steering wheel and is used for synchronously carrying out the heating endurance test of the steering wheel in the endurance test of the clock spring.
The endurance test device is simple to operate, the rotation angle of the motor and the endurance test times are modified according to test requirements in the application program script, after the wire is connected, the power supply is turned on, and then the application program is executed to start the endurance test. The application program can check the test state in real time, find problems in time and reduce time waste caused by failure in the process. And according to the load condition, the speed reducers with different reduction ratios can be considered and selected to meet different torque requirements.
The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides an automobile clock spring and angle sensor endurance test device which characterized in that: the device comprises a servo motor, a speed reducer, a transmission shaft, a gear transmission box, a transmission plate, a transmission shaft, an installation table board, a test rod, a simulation installation clamp and a pressing block; the servo motor provides power, the torque of the power is increased through the speed reducer and then the power is transmitted to the gear transmission box through the transmission shaft, the transmission shaft is in transmission connection with the input end of the gear transmission box, the output end of the gear transmission box is in transmission connection with the transmission plate, and the gear transmission box converts the rotation direction transmitted along the transmission shaft into the central rotation direction of the transmission plate; the front side of the mounting table top is provided with a simulation mounting fixture, a test rod is arranged in the simulation mounting fixture, and the test rod penetrates through the back side of the mounting table top and is in transmission connection with the transmission plate through a bearing and a bearing fixing plate thereof; during testing, the automobile clock spring is placed in the simulation mounting fixture, sleeved on the test rod and fixed through the pressing block; the angle sensor assembled on the automobile clock spring is in communication connection with the industrial personal computer through the data acquisition card, and the industrial personal computer is in communication connection with the servo motor through the motor driver.
2. The durability test device for the clock spring and the angle sensor of the automobile according to claim 1, characterized in that: the speed reducer is in transmission connection with the transmission shaft through a coupler.
3. The durability test device for the clock spring and the angle sensor of the automobile according to claim 1, characterized in that: the servo motor, the speed reducer, the transmission shaft, the gear transmission box, the transmission plate, the transmission shaft, the mounting table board, the testing rod, the simulation mounting fixture and the pressing block are assembled on the support frame, and the anti-skidding shockproof pad with the adjustable height is further arranged at the bottom of the support frame.
4. The durability test device for the clock spring and the angle sensor of the automobile according to claim 3, characterized in that: the back of the mounting table top is mounted on the support frame at an acute angle.
5. The durability test device for the clock spring and the angle sensor of the automobile according to claim 1, characterized in that: the transmission shaft is arranged in the horizontal transmission rod, and the gear transmission box is assembled on the horizontal transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170027.9U CN213934035U (en) | 2020-09-28 | 2020-09-28 | Automobile clock spring and angle sensor endurance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022170027.9U CN213934035U (en) | 2020-09-28 | 2020-09-28 | Automobile clock spring and angle sensor endurance test device |
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| Publication Number | Publication Date |
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| CN213934035U true CN213934035U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022170027.9U Active CN213934035U (en) | 2020-09-28 | 2020-09-28 | Automobile clock spring and angle sensor endurance test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758733A (en) * | 2021-08-23 | 2021-12-07 | 岚图汽车科技有限公司 | System and method for testing connection reliability of steering wheel and clock spring |
-
2020
- 2020-09-28 CN CN202022170027.9U patent/CN213934035U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758733A (en) * | 2021-08-23 | 2021-12-07 | 岚图汽车科技有限公司 | System and method for testing connection reliability of steering wheel and clock spring |
| CN113758733B (en) * | 2021-08-23 | 2024-01-16 | 岚图汽车科技有限公司 | System and method for testing connection reliability of steering wheel and clock spring |
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Effective date of registration: 20231127 Address after: 201800 North District, building 3 and 5, No. 338, Huixian Road, Jiading District, Shanghai Patentee after: VALEO INTERIOR CONTROLS (SHANGHAI) CO.,LTD. Address before: 518000 No.2, building 3, area 6, Cuigang Industrial Park, Huaide community, Fuyong street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: VALEO INTERIOR CONTROLS (SHENZHEN) Co.,Ltd. |