CN210952776U - Transmission shaft angle clearance detection structure - Google Patents
Transmission shaft angle clearance detection structure Download PDFInfo
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- CN210952776U CN210952776U CN201922092677.3U CN201922092677U CN210952776U CN 210952776 U CN210952776 U CN 210952776U CN 201922092677 U CN201922092677 U CN 201922092677U CN 210952776 U CN210952776 U CN 210952776U
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Abstract
The utility model discloses a transmission shaft angle clearance detection structure, which comprises a mechanical clamping jaw fixedly connected with an output shaft at one end of a universal joint transmission shaft, wherein the other end of the mechanical clamping jaw is fixedly connected with a driving synchronizing wheel, the driving synchronizing wheel is driven by a driven synchronizing wheel, a driven output shaft passes through the driven synchronizing wheel, an angle encoder is connected onto the driven output shaft, and the diameter of the driving synchronizing wheel is larger than that of the driven synchronizing wheel; the utility model discloses a transmission shaft angle clearance detects structure realizes enlargiing the transmission shaft angle clearance that turns to the universal joint transmission shaft several times to turn into the signal of telecommunication through turning into the angle encoder with the angle displacement, directly read out, measure convenient and fast accurate.
Description
Technical Field
The utility model belongs to universal joint transmission shaft detection area, more specifically the transmission shaft angle clearance that says so relates to a transmission shaft angle clearance detects structure.
Background
The steering universal joint transmission shaft is mainly a part for connecting a steering shaft and a steering transmission shaft or connecting the steering transmission shaft and a steering gear and used for transmitting motion and torque. The torque transmitted by the device is generally small, but the precision is high. However, the angular play that is imparted to the steering shaft during loading directly affects the sensitivity of the steering system. It is generally required that the angular play of a steering universal joint drive shaft under positive and negative loading of 3N · m is not more than 0.25 °. However, with the development of automobile technology, the requirements for various performances of automobiles are increasingly improved, and the angular gap of a steering universal joint transmission shaft is required to be not more than 0.15 degrees under the condition of positive and negative loading of 10 N.m. In order to ensure that the angular gap of the steering universal joint transmission shaft is within a control or required range, the angular gap of the transmission shaft of the steering universal joint transmission shaft needs to be detected all the time during the processing or detection of the steering universal joint transmission shaft. Whereas for this angle of 0.25 deg. or 0.15 deg., the measurement is difficult.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transmission shaft angle clearance detects structure realizes enlargiing the transmission shaft angle clearance of universal joint transmission shaft several times to turn into the signal of telecommunication through turning into the angle encoder with the angle displacement, directly read out, measure convenient and fast accurate.
The utility model provides a transmission shaft angle clearance detects structure, include the mechanical clamping jaw with the output shaft fixed connection of universal joint transmission shaft one end, mechanical clamping jaw other end fixedly connected with initiative synchronizing wheel, the transmission of initiative synchronizing wheel has driven synchronizing wheel, driven output shaft has been passed in the driven synchronizing wheel, be connected with the angle encoder on the driven output shaft, initiative synchronizing wheel diameter is greater than driven synchronizing wheel diameter.
Preferably, the diameter of the driving synchronizing wheel is 8 times that of the driven synchronizing wheel.
Preferably, a synchronizing wheel tensioning mechanism is arranged on the driven synchronizing wheel, and the synchronizing wheel tensioning mechanism realizes transmission tensioning between the driving synchronizing wheel and the driven synchronizing wheel and eliminates transmission asynchronism between the driving synchronizing wheel and the driven synchronizing wheel.
Preferably, the synchronizing wheel tensioning mechanism comprises a movable box sleeved outside the driven output shaft, a fixed base is arranged at the bottom of the movable box, an air cylinder which is in a horizontal state and has an axis perpendicular to the driven output shaft is arranged on the fixed base, the telescopic end of the air cylinder is fixedly connected with the movable box, and the air cylinder drives the movable box to move along the direction perpendicular to the driven output shaft, so that the driven synchronizing wheel is tensioned.
Preferably, the last recess that is provided with of unable adjustment base, it is provided with two backup pads that just are parallel to each other in arranging the recess to remove the box bottom, the flexible end and one of them backup pad fixed connection of cylinder, cylinder bottom and recess medial surface fixed connection.
Preferably, a coupler is arranged in the movable box, the coupler is connected with the driven output shaft extending into the movable box and an input shaft of the angle encoder, the driven output shaft and the input shaft of the angle encoder are respectively sleeved with a first bearing and a second bearing, and the first bearing and the second bearing are embedded in the side surface of the movable box; the angle encoder is connected with the L-shaped plate between the angle encoder and the movable box, and two side faces of the L-shaped plate are respectively detachably connected with the angle encoder and the movable box.
Preferably, the driving shaft penetrates through the driving synchronizing wheel, one end of the driving shaft is fixedly connected with the mechanical clamping jaw, the other end of the driving shaft is sleeved with a third bearing, a supporting seat is sleeved outside the third bearing, a large bottom plate is connected to the bottom of the supporting seat, and the large bottom plate is fixedly connected with the fixed base.
Preferably, an output shaft of the universal joint transmission shaft, which is far away from the end of the mechanical clamping jaw, is in transmission connection with a servo motor.
Based on the technical scheme, the measuring process of the transmission shaft angle gap detecting structure comprises the steps of utilizing a servo motor to drive a universal joint transmission shaft to rotate clockwise to drive a driving synchronous wheel to rotate, stopping when the torsion reaches a preset value, rotating an angle encoder for- α degrees compared with the initial value zero position, then rotating the servo motor anticlockwise, stopping when the torsion reaches the preset value, feeding back a numerical value of the angle encoder for β degrees compared with the initial zero position, and enabling the real numerical value of the transmission shaft angle gap to be (| - α ° | + β °)/8 ═ gamma.
The utility model discloses technical scheme's a transmission shaft angle clearance detects structure beneficial effect is:
1. the driving synchronous wheel drives the driven synchronous wheel to synchronously rotate, so that the angle encoder is driven to work, the angle encoder converts the angular displacement of the universal joint transmission shaft into a pulse electric signal to be directly read out, and the measurement is convenient.
2. The diameter of the driving synchronizing wheel is 8 times of that of the driven synchronizing wheel, namely, the angular displacement received on the angle encoder is 8 times of that of the universal joint transmission shaft, so that the angular displacement on the universal joint transmission shaft is greatly enlarged, and the angle encoder can more accurately measure the angular displacement of the universal joint transmission shaft.
3. The synchronous wheel tensioning mechanism achieves tensioning of the driven synchronous wheel, so that the driving synchronous wheel drives the driven synchronous wheel to rotate synchronously, and the problem of inaccurate transmission can be solved.
4. The transmission shaft angle gap detection structure has ingenious design of each part and machine, improves the test resolution ratio through an amplification mode, and relieves the bottleneck that the resolution ratio is not enough to test the actual value of a product; the universal joint transmission shaft is suitable for universal joint transmission shafts of various models, and the production jig can be quickly replaced; the working efficiency and the working reliability are improved; the probability of the failure mode of the product is reduced, the cost is low, and the practicability is high.
Drawings
FIG. 1 is a schematic view of the whole transmission shaft angle clearance detecting structure according to the technical solution of the present invention,
figure 2 is a top view of figure 1,
figure 3 is a front view of the structure of the synchronous wheel tensioning mechanism,
figure 4 is a top view of the structure of the synchronous wheel tensioning mechanism,
fig. 5 is a side view of the structure of the synchronous wheel tensioning mechanism.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
As shown in fig. 1 and fig. 2, the utility model provides a transmission shaft angle clearance detects structure, include with the mechanical clamping jaw 3 of the output shaft fixed connection of 8 one ends of universal joint transmission shaft, 3 other end fixed connection of mechanical clamping jaw have initiative synchronizing wheel 2, and the transmission of initiative synchronizing wheel 2 has driven synchronizing wheel 6. A driven output shaft 61 penetrates through the driven synchronizing wheel 6, and the driven output shaft 61 is connected with an angle encoder 4. The driving synchronous wheel is utilized to drive the driven synchronous wheel to synchronously rotate, so that the angle encoder is driven to work, the angle encoder converts the angular displacement of the universal joint transmission shaft into a pulse electric signal to be directly read out, and the measurement is convenient. The diameter of the driving synchronizing wheel 3 is larger than that of the driven synchronizing wheel 4 in the design, and the diameter of the driving synchronizing wheel is 8 times of that of the driven synchronizing wheel. The angular displacement received on the angle encoder is 8 times of that of the universal joint transmission shaft, so that the angular displacement on the universal joint transmission shaft is greatly enlarged, and the angular displacement of the universal joint transmission shaft can be more accurately measured by the angle encoder.
As shown in fig. 1 and 3, the utility model discloses be provided with synchronizing wheel straining device 5 on driven synchronizing wheel 6 of technical scheme, synchronizing wheel straining device 5 realizes that the transmission is asynchronous between driving synchronizing wheel 2 and the driven synchronizing wheel 6, the elimination driving synchronizing wheel 2 and the driven synchronizing wheel 6. The measuring angle received by the angle encoder 4 is ensured to be completely consistent with the angular displacement on the universal joint transmission shaft, and the vehicle precision is improved.
As shown in fig. 3 to 5, the synchronizing wheel tensioning mechanism 5 of the present invention includes a movable box 51 sleeved outside the driven output shaft 61, and a fixing base 55 is disposed at the bottom of the movable box 51. The fixed base 55 is provided with a cylinder 56 which is in a horizontal state and the axis of which is vertical to the driven output shaft 61, and the telescopic end of the cylinder 56 is fixedly connected with the movable box 51. The cylinder 56 drives the movable box 51 to move along the direction perpendicular to the driven output shaft 61, and the driven synchronous wheel 6 is tensioned.
Based on the technical scheme of the upper segment, in the synchronizing wheel tensioning mechanism 5, the cylinder 56 is utilized to realize the movement and fixation of the movable box 51, and as the diameter of the driven synchronizing wheel 6 is smaller, the driven synchronizing wheel 6 is fixed with the movable box 51 through the driven output shaft 61, the movable box 51 moves and can drive the driven synchronizing wheel 6 to move without deviation, so that the tensioning is realized.
As shown in fig. 3 to 5, the fixing base 55 of the present invention is provided with a groove 59, and the bottom of the movable box 51 is provided with two supporting plates 54 which are disposed in the groove 59 and are parallel to each other. The telescopic end of the cylinder 56 is fixedly connected with one of the supporting plates 54, and the bottom of the cylinder 56 is fixedly connected with the inner side surface of the groove 59. The cylinder 56 is fixed with the fixed base 55, and the cylinder 56 stretches out and draws back to realize the removal to driven synchronizing wheel 6, realizes driven synchronizing wheel 6 tensioning.
As shown in fig. 3 to 5, the present invention provides a coupling 53 in the mobile box 51, wherein the coupling 53 is connected to the driven output shaft 61 and the input shaft of the angle encoder 4 inside the mobile box 51. The first bearing 58 and the second bearing 57 are respectively sleeved on the driven output shaft 61 and the input shaft of the angle encoder 4, and the first bearing 58 and the second bearing 57 are embedded in the side surface of the movable box 51. An L-shaped plate 52 is connected between the angle encoder 4 and the movable box 51, and two side surfaces of the L-shaped plate 52 are detachably connected with the angle encoder 4 and the movable box 51 respectively. The angle encoder 4 and the movable box 51 are fixedly connected into a whole through the L-shaped plate 52, so that the movement of the movable box 51 drives the angle encoder 4 to move, and the angle encoder 4 and the movable box 51 move synchronously.
As shown in fig. 1 and 3, the driving synchronizing wheel 2 of the present invention has a driving shaft passing through it, and one end of the driving shaft is fixedly connected to the mechanical clamping jaw 3. The other end of the bearing is sleeved with a third bearing, a supporting seat 1 is sleeved outside the third bearing, the bottom of the supporting seat 1 is connected with a large bottom plate 9, and the large bottom plate 9 is fixedly connected with a fixed base 55. And an output shaft of the universal joint transmission shaft 8 far away from the end of the mechanical clamping jaw 3 is in transmission connection with a servo motor.
As shown in fig. 1, the mechanical clamping jaw 3 of the present invention can be a mechanical structure that can be clamped and connected to the universal joint transmission shaft 8 and the driving synchronizing wheel 2 respectively and has a driving shaft, and can adopt any mechanical structure or mechanical arm in the prior art, such as two starting clamping jaws of rigid connection.
To sum up, the utility model discloses a transmission shaft angular gap detects structure measurement process is utilizing servo motor to drive the cardan drive shaft clockwise rotation at first, drive the initiative synchronizing wheel and rotate, stop when torsion reaches the preset value, the more initial value of angle encoder has rotated- α degrees this moment, then servo motor anticlockwise rotation stops when the torsion reaches the preset value, the more initial value of angle encoder feedback numerical value has rotated β degree this moment, the true numerical value of transmission shaft angular gap is (| - α | + β °)/8 ═ gamma.
The technical solution of the present invention is to provide an improved method for manufacturing a semiconductor device, which is characterized in that the method is not limited by the above-mentioned method, and the method is not substantially improved by the method and the device, or the method and the device are directly applied to other occasions without improvement, all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a transmission shaft angle clearance detects structure, its characterized in that, include with the output shaft fixed connection's of universal joint transmission shaft one end mechanical clamping jaw, mechanical clamping jaw other end fixedly connected with initiative synchronizing wheel, the transmission of initiative synchronizing wheel has driven synchronizing wheel, driven synchronizing wheel has passed driven output shaft in, be connected with angle encoder on the driven output shaft, initiative synchronizing wheel diameter is greater than driven synchronizing wheel diameter.
2. The structure for detecting angular gap of a drive shaft according to claim 1, wherein the diameter of said driving synchronizing wheel is 8 times the diameter of said driven synchronizing wheel.
3. The structure for detecting the angular gap of the transmission shaft according to claim 1, wherein the driven synchronizing wheel is provided with a synchronizing wheel tensioning mechanism, and the synchronizing wheel tensioning mechanism achieves transmission tensioning between the driving synchronizing wheel and the driven synchronizing wheel to eliminate transmission asynchronization between the driving synchronizing wheel and the driven synchronizing wheel.
4. The structure of claim 3, wherein the synchronizing wheel tensioning mechanism comprises a moving box sleeved outside the driven output shaft, a fixed base is arranged at the bottom of the moving box, an air cylinder which is in a horizontal state and has an axis perpendicular to the driven output shaft is arranged on the fixed base, a telescopic end of the air cylinder is fixedly connected with the moving box, and the air cylinder drives the moving box to move in a direction perpendicular to the driven output shaft, so that tensioning of the driven synchronizing wheel is realized.
5. The structure of claim 4, wherein the fixing base has a groove, the bottom of the movable box has two parallel supporting plates disposed in the groove, the telescopic end of the cylinder is fixedly connected to one of the supporting plates, and the bottom of the cylinder is fixedly connected to the inner side of the groove.
6. The transmission shaft angular gap detection structure according to claim 4, wherein a coupler is arranged in the movable box, the coupler is connected with the driven output shaft extending into the movable box and an input shaft of the angle encoder, a first bearing and a second bearing are respectively sleeved on the driven output shaft and the input shaft of the angle encoder, and the first bearing and the second bearing are embedded in the side surface of the movable box; the angle encoder is connected with the L-shaped plate between the angle encoder and the movable box, and two side faces of the L-shaped plate are respectively detachably connected with the angle encoder and the movable box.
7. The angular gap detection structure of transmission shaft according to claim 4, wherein a driving shaft passes through the driving synchronizing wheel, one end of the driving shaft is fixedly connected with the mechanical clamping jaw, the other end of the driving shaft is sleeved with a third bearing, a supporting seat is sleeved outside the third bearing, a large bottom plate is connected to the bottom of the supporting seat, and the large bottom plate is fixedly connected with the fixed base.
8. The structure of claim 1, wherein a servo motor is connected to an output shaft of the universal joint transmission shaft away from the mechanical jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922092677.3U CN210952776U (en) | 2019-11-28 | 2019-11-28 | Transmission shaft angle clearance detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922092677.3U CN210952776U (en) | 2019-11-28 | 2019-11-28 | Transmission shaft angle clearance detection structure |
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| Publication Number | Publication Date |
|---|---|
| CN210952776U true CN210952776U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922092677.3U Active CN210952776U (en) | 2019-11-28 | 2019-11-28 | Transmission shaft angle clearance detection structure |
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| CN (1) | CN210952776U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665881A (en) * | 2021-01-12 | 2021-04-16 | 新台崎自动化设备(昆山)有限公司 | Steering column rotation smoothness testing device |
| CN114061942A (en) * | 2021-10-19 | 2022-02-18 | 九江学院 | Angle fault detection device and alarm device of cardan shaft |
| CN116073574A (en) * | 2023-03-30 | 2023-05-05 | 扬州市新港电机有限公司 | Motor plate fixing and presetting correction device |
-
2019
- 2019-11-28 CN CN201922092677.3U patent/CN210952776U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665881A (en) * | 2021-01-12 | 2021-04-16 | 新台崎自动化设备(昆山)有限公司 | Steering column rotation smoothness testing device |
| CN114061942A (en) * | 2021-10-19 | 2022-02-18 | 九江学院 | Angle fault detection device and alarm device of cardan shaft |
| CN114061942B (en) * | 2021-10-19 | 2023-09-01 | 九江学院 | A cardan shaft angle fault detection device and alarm device |
| CN116073574A (en) * | 2023-03-30 | 2023-05-05 | 扬州市新港电机有限公司 | Motor plate fixing and presetting correction device |
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