CN108562435B - Double-meshing measurement calibration method for 90-degree crossed-axis angle small-modulus bevel gear pair - Google Patents
Double-meshing measurement calibration method for 90-degree crossed-axis angle small-modulus bevel gear pair Download PDFInfo
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- CN108562435B CN108562435B CN201810080581.2A CN201810080581A CN108562435B CN 108562435 B CN108562435 B CN 108562435B CN 201810080581 A CN201810080581 A CN 201810080581A CN 108562435 B CN108562435 B CN 108562435B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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Abstract
The invention discloses a double-meshing measurement calibration method for a 90-degree crossed-angle small-modulus bevel gear pair, and belongs to the technical field of precision testing technology, instruments and mechanical transmission. Firstly, customizing a calibration block according to a theoretical installation position to be calibrated; then, the calibration block is installed on the corresponding shaft, the position of the shaft is adjusted, the calibration block is attached to the other shaft bus line, namely, the calibration of the installation position of one shaft is completed, and the calibration of the installation positions of the two shafts can be completed by repeating the operation on the other shaft. The method has the characteristics of simple and convenient operation, high precision and high speed, and is suitable for calibrating the installation position of the bevel gear with the crossed axis angle of 90 degrees when double-sided meshing measurement is carried out.
Description
Technical Field
The invention relates to the field of precision testing technology and instruments, in particular to a double-meshing measurement calibration method for a 90-degree crossed-axis angle small-modulus bevel gear pair.
Background
Bevel gear transmission is an important component of gear transmission, and has the characteristics of average load, stable transmission, small vibration, low noise and the like, so that the bevel gear transmission is widely applied to industries such as automobiles, engineering machinery, machine tools, aviation, ships and the like.
Meanwhile, with the development of miniaturization of instruments, the demand of the small-modulus bevel gear is continuously increased, and enterprises have great demands on the rapid measurement of the small-modulus bevel gear. At present, most enterprises adopt a double-faced meshing mode to rapidly measure small-modulus bevel gears.
Before the bevel gear is measured in a double-sided meshing mode, the installation position of the bevel gear needs to be calibrated, and the influence of the installation position error on subsequent measurement results is reduced as much as possible. The mounting position referred to herein is the distance from the reference plane of the bevel gear to the point where the apexes of the two bevel gears meet after the bevel gears are mounted on the shaft. How to quickly and accurately calibrate the mounting position of the small-modulus bevel gear is the key for quickly and accurately measuring the bevel gear by the bevel gear measuring instrument.
The traditional calibration mode mainly adopts a mode of a plug gauge block, but the size of a small-modulus bevel gear is small, the distance of an installation position is small, the traditional mode is difficult to operate, and the precision is difficult to guarantee.
Disclosure of Invention
In order to solve the technical problem provided in the background technology, the invention provides a method for measuring and calibrating the double-meshing of a small-modulus bevel gear pair with an intersecting angle of the axes of 90 degrees, wherein a calibration block is replaced on the axes of two mutually perpendicular bevel gears, and a moving platform where the two axes are located is finely adjusted, so that the purpose of calibrating the installation position is achieved.
The invention is realized by adopting the following means:
1) customizing two calibration blocks, namely a first calibration block and a second calibration block according to the distance requirement of the calibration position;
2) roughly adjusting two shafts of a bevel gear pair, namely a first shaft and a second shaft, of which the installation positions need to be calibrated to approximate positions;
3) the position of the first axis is calibrated: installing a first calibration block on a first shaft, fixing a second shaft, adjusting the position of the first shaft to enable the end face of the first calibration block to be attached to one bus of the second shaft, locking the first shaft at the moment, calibrating the position of the first shaft, and zeroing a grating ruler on the side face of the first shaft;
4) recalibrating the position of the second axis: and (3) mounting the second calibration block on the second shaft, wherein the position of the first shaft is fixed at the moment, adjusting the position of the second shaft to ensure that the end surface of the second calibration block is attached to one bus of the first shaft, locking the second shaft at the moment, calibrating the position of the second shaft, and zeroing the grating ruler on the side surface of the second shaft.
Drawings
Fig. 1 theoretical mounting position of bevel gear pair
FIG. 2 is a simplified first axis installation position calibration diagram, wherein (a) is a first installation diagram and (b) is a second installation diagram.
FIG. 3 is a design drawing of a three-dimensional solid for calibrating the installation position of a first shaft
FIG. 4 second shaft installation position calibration schematic
FIG. 5 second axis installation position calibration three-dimensional solid layout
In the figure: 1. the device comprises a first bevel gear, 2. a first shaft, 3. a second bevel gear, 4. a second shaft, 5. a first grating ruler, 6. a linear guide rail, 7. a first calibration block, 8. a second grating ruler, 9. a micro-motion platform, 10. a linear guide rail and 11. a second calibration block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described below with reference to the accompanying drawings and three-dimensional solid design. The drawings and the three-dimensional solid design description are provided to explain the present invention.
The method comprises the following specific implementation steps:
the first step is as follows: the theoretical mounting positions of bevel gears with a 90 ° shaft angle of intersection, shown in fig. 1 as L1、L2。
The second step is that: according to L1、L2And the radius R of two shafts for mounting bevel gear pair1、R2Determining the thicknesses of the calibration blocks as follows: a first calibration block (second calibration block).
The third step: the two mounting shafts of the bevel gear are coarsely adjusted to the approximate mounting position.
The fourth step: the position of the first shaft is calibrated, and as shown in fig. 2, the first calibration block is mounted on the first shaft, and the second shaft is fixed. And adjusting the linear guide rail at the lower end of the first shaft to ensure that the end surface of the first calibration block is attached to the bus of the second shaft, locking the first shaft, resetting the reading of the first grating ruler on the side surface of the first shaft, and completing the calibration of the installation position of the first shaft.
The fifth step: and moving the micro-motion platform, separating the second shaft from the first calibration block, and taking down the first calibration block on the first shaft.
And a sixth step: calibrating the position of the second axis: and (3) installing the second calibration block on the second shaft, approaching the second shaft to the first shaft, adjusting the micro-motion platform to enable the end face of the second calibration block to be attached to the bus of the first shaft, stopping the movement of the micro-motion platform, resetting the reading of the second grating ruler, and completing the calibration of the installation position of the second shaft.
The seventh step: and moving the micro-motion platform, taking down the second calibration block, respectively installing the measured bevel gear pair on the first shaft and the second shaft, fixing and finely tuning the micro-motion platform, so that the reading of the second grating ruler is zero again, and at the moment, the calibration of the installation position of the bevel gear pair is completed and the measurement can be started.
Claims (1)
1. A method for calibrating the installation position of a bevel gear pair with an axis intersection angle of 90 degrees is characterized by comprising the following steps: customizing two calibration blocks according to the required theoretical mounting distance position of the bevel gear pair, respectively mounting the calibration blocks on corresponding shafts, finely adjusting the positions of the shafts to ensure that the calibration blocks are attached to the bus of the other shaft, so that the mounting position of the other shaft can be calibrated, replacing the calibration blocks, and repeatedly operating to calibrate the mounting position of the other shaft;
1) customizing two calibration blocks, namely a first calibration block and a second calibration block according to the distance requirement of the calibration position;
2) roughly adjusting two shafts of a bevel gear pair, namely a first shaft and a second shaft, of which the installation positions need to be calibrated to approximate positions;
3) the position of the first axis is calibrated: installing a first calibration block on a first shaft, fixing a second shaft, adjusting the position of the first shaft to enable the end face of the first calibration block to be attached to one bus of the second shaft, locking the first shaft at the moment, calibrating the position of the first shaft, and zeroing a grating ruler on the side face of the first shaft;
4) recalibrating the position of the second axis: the second calibration block is arranged on the second shaft, the position of the first shaft is fixed at the moment, the position of the second shaft is adjusted, the end face of the second calibration block is attached to a bus of the first shaft, at the moment, the second shaft is locked, the position of the second shaft can be calibrated, and the grating ruler on the side face of the second shaft is zeroed;
the method comprises the following specific implementation steps:
the first step is as follows: determining the theoretical installation positions of bevel gears with the shaft intersection angle of 90 degrees, wherein the theoretical installation positions are L1、L2；
The second step is that: according to L1、L2And the radius R of two shafts for mounting bevel gear pair1、R2Determining the thicknesses of the calibration blocks as follows: a first calibration block and a second calibration block;
the third step: coarsely adjusting two mounting shafts of a bevel gear to approximate mounting positions;
the fourth step: firstly, calibrating the position of a first shaft, mounting a first calibration block on the first shaft, and fixing a second shaft; adjusting a linear guide rail at the lower end of the first shaft to enable the end face of the first calibration block to be attached to a bus of the second shaft, locking the first shaft, resetting the reading of the first grating ruler on the side face of the first shaft, and completing calibration of the installation position of the first shaft;
the fifth step: moving the micro-motion platform, separating the second shaft from the first calibration block, and taking down the first calibration block on the first shaft;
and a sixth step: calibrating the position of the second axis: installing a second calibration block on a second shaft, enabling the second shaft to be close to the first shaft, adjusting the micro-motion platform to enable the end face of the second calibration block to be attached to a bus of the first shaft, stopping the movement of the micro-motion platform at the moment, resetting the reading of the second grating ruler, and completing the calibration of the installation position of the second shaft;
the seventh step: and moving the micro-motion platform, taking down the second calibration block, respectively installing the measured bevel gear pair on the first shaft and the second shaft, fixing, finely tuning the micro-motion platform, enabling the reading of the second grating ruler to be zero again, and at the moment, completing the calibration of the installation position of the bevel gear pair and starting to measure.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810080581.2A CN108562435B (en) | 2018-01-28 | 2018-01-28 | Double-meshing measurement calibration method for 90-degree crossed-axis angle small-modulus bevel gear pair |
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| CN201810080581.2A CN108562435B (en) | 2018-01-28 | 2018-01-28 | Double-meshing measurement calibration method for 90-degree crossed-axis angle small-modulus bevel gear pair |
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| CN108562435A CN108562435A (en) | 2018-09-21 |
| CN108562435B true CN108562435B (en) | 2020-08-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591874A (en) * | 2013-11-11 | 2014-02-19 | 西安工业大学 | Method for achieving polar coordinate gear measuring center zero point calibration through standard block |
| CN203798299U (en) * | 2014-04-18 | 2014-08-27 | 福建省建瓯精工齿轮（机械）有限公司 | Bevel gear cooperation installation and calibration device |
| CN206803953U (en) * | 2017-03-30 | 2017-12-26 | 哈尔滨智达测控技术有限公司 | The automatic calibration mechanism of novel two-sided meshing device petty action split dynamic greatly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9279714B2 (en) * | 2014-03-05 | 2016-03-08 | Toyota Motor Engineering & Manufacturing North America, Inc. | Automobile subassembly fluid fill confirmation |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591874A (en) * | 2013-11-11 | 2014-02-19 | 西安工业大学 | Method for achieving polar coordinate gear measuring center zero point calibration through standard block |
| CN203798299U (en) * | 2014-04-18 | 2014-08-27 | 福建省建瓯精工齿轮（机械）有限公司 | Bevel gear cooperation installation and calibration device |
| CN206803953U (en) * | 2017-03-30 | 2017-12-26 | 哈尔滨智达测控技术有限公司 | The automatic calibration mechanism of novel two-sided meshing device petty action split dynamic greatly |
Non-Patent Citations (1)
| Title |
|---|
| 双啮综合测量仪的校验方法;傅子超;《计量技术》;19941128(第11期);全文 * |
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