A six-axis laser gear measuring device

A gear measurement, six-axis technology, applied in the direction of measuring devices, optical devices, radio wave measurement systems, etc., can solve the problems that the detector cannot receive reflected light, can not effectively obtain data, and the measurement speed is slow, so as to overcome the radius Compensation, avoiding the problem of measuring dead angle, and improving the effect of accuracy

Active Publication Date: 2020-07-31
BEIJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has the following disadvantages: 1. The operation is complicated, and there are complex operations such as reset and calibration before the gear measurement; 2. The measurement speed is relatively slow. Relatively slide to collect coordinate information; 3. Probe compensation is required. The coordinate value collected by the measuring device is actually the coordinate value of the center of the ruby ​​stylus. It is necessary to add a radius of the stylus along the direction in which the stylus retreats from the contact point. value as measured value
Affected by the shape of the tooth surface to be tested, the line laser gear measurement device will have a measurement dead angle problem during gear measurement, resulting in the detector not being able to receive reflected light and effectively acquiring data

Method used

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  • A six-axis laser gear measuring device
  • A six-axis laser gear measuring device
  • A six-axis laser gear measuring device

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] Such as Figure 5 As shown, the specific implementation of the cylindrical spur gear measurement using the present invention is realized through the following steps.

[0046] The first step is to reset the system. The six-axis movement is driven by the control system to drive the servo motor. The linear movement of the X-axis drives the Y, Z, α, and β-axis to move forward and backward along the X-axis, and the up-and-down movement of the Y-axis drives the Z, α, and β-axis to move up and down along the Y-axis. , the telescopic movement of the Z axis drives the α and β axes to move back and forth along the Z axis, and the rotation of the α axis drives the β axis to rotate around the α axis. The six-axis coordinate information is obtained through the grating signal corresponding to each axis, the six-axis reset is realized, and the coordinate system corresponding to the motion system is found.

[0047] The second step is to install the gears. Connect the cylindrical spu...

Embodiment 2

[0053] Such as Image 6 As shown, the specific implementation of bevel gear measurement using the present invention is realized through the following steps.

[0054] The first step is to reset the system. The servo motor is driven by the control system to operate the six-axis movement. The linear movement of the X-axis drives the Y, Z, α, and β-axis to move forward and backward along the X-axis, and the up-and-down movement of the Y-axis drives the Z, α, and β-axis to move up and down along the Y-axis. , the telescopic movement of the Z axis drives the α and β axes to move back and forth along the Z axis, and the rotation of the α axis drives the β axis to rotate around the α axis. The six-axis coordinate information is obtained through the grating signal corresponding to each axis, the six-axis reset is realized, and the coordinate system corresponding to the motion system is found.

[0055] The second step is to install the gears. Connect the bevel gear to be tested with ...

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Abstract

The invention discloses a six-axis laser gear measuring device, which belongs to the fields of precision testing technology and instruments, and mechanical transmission technology. It includes a two-axis probe position adjustment mechanism, a three-axis moving mechanism, and a gear fixing mechanism. The present invention uses a line laser probe to obtain a data point cloud of a line on the tooth surface in one measurement, thereby improving the speed of data acquisition. The invention adopts a six-axis motion system, which can adjust the direction of the laser in real time during the measurement process, so as to maintain a good measurement posture between the laser and the measured tooth surface. The six-axis laser gear measuring device of the present invention can measure a wide range of gear types. Through the cooperation of the six-axis motion system and the line laser, it can scan tooth surfaces of various shapes from the best angle, and can well deal with bevel gears or Curved gears and other gears that are difficult to measure.

Description

technical field [0001] The invention relates to a six-axis laser gear measuring device, which belongs to the technical fields of precision testing technology, instruments and mechanical transmission. Background technique [0002] Gear is a basic part commonly found in the transmission system, and gear transmission is a main form of transmitting machine power and motion. Gears can be divided into cylindrical gears, bevel gears, non-circular gears, racks, and worm-worm gears according to their shape. Gears can be divided into spur gears, helical gears, herringbone gears, and curved gears according to the shape of the tooth line. Gears can be divided into external gears and internal gears according to the surface where the teeth are located. At present, the general-purpose gear measuring devices can be divided into contact measuring devices and non-contact measuring devices. According to different measurement requirements, the selection of measuring devices is also different....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/24G01B11/00G01S17/48G01S17/89
CPCG01B11/002G01B11/2416G01S17/48G01S17/89G01B11/005
Inventor 石照耀李昱坤王涛
Owner BEIJING UNIV OF TECH
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