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Shaft hole parameter measuring device

A technology for measuring device and shaft hole parameters, which is applied in the field of shaft hole parameter measuring devices, can solve the problems of shortening the service life of equipment, difficulty in assembling production equipment, and time-consuming, etc., and achieves the effects of fast measurement speed, low cost, and convenient operation

Active Publication Date: 2015-07-08
宜昌力帝环保机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the parallelism and perpendicularity errors of the shaft holes are large, the equipment will not run smoothly, and the shaft or sleeve will be easily worn, thus shortening the service life of the equipment
Existing parts rarely adopt the method of self-manufacturing, and mostly adopt the method of outsourcing processing, and it is difficult to measure the size and shape accuracy of such parts. If the size and shape of the parts cannot be If the accuracy is controlled, it is difficult to assemble and produce equipment that meets the quality requirements
Especially for high-volume parts, the measurement of the axis distance of the shaft hole, the verticality and parallelism of the shaft hole is difficult and time-consuming

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 Among them, a shaft hole parameter measuring device, a plurality of columns 9 are arranged around the horizontal platform 13, and a conveying device 14 for conveying workpieces is arranged at both ends of the horizontal platform 13. The preferred scheme is as follows figure 1 , 3 Among them, the horizontal platform 13 is provided with liftable guide rollers 131 and limit blocks 132 . In this example, an air cylinder is preferably used to lift and lower the guide roller 131 and the limit block 132 . When the lifting guide roller 131 is raised, the upper end surface of the lifting guide roller 131 is higher than the upper end surface of the horizontal platform 13 to facilitate the movement of the heavier workpiece 12 on the horizontal platform 13 . The lifting of the limit block 132 is used to block the moving workpiece 12 to facilitate measurement. Further preferably, the guide rollers on the lifting guide rollers 131 have a self-driven structure, and...

Embodiment 2

[0045] On the basis of Example 1, different from Example 1, such as Figure 5 , 7 In ~9, the tops of multiple positioning mechanisms in the vertical shaft device are in contact with the tablet 2, the multiple positioning mechanisms are arranged along the circumference, and the center of the circle where the multiple positioning mechanisms are located coincides with the axis of the shaft hole where the vertical shaft device is located. In this example, the digital board 2 needs to support multi-point contact measurement. Since the requirements for the measurement speed in the present invention are not high, it is easy to realize multi-point measurement, which can be realized by scanning row by row and column by column. In this example, 8 to 36 positioning mechanisms are preferably used.

[0046] In a further preferred solution, the positioning mechanism is a pressure sensor.

[0047] The measurement steps are the same as those in Embodiment 1. When the tablet 2 is in contact ...

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PUM

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Abstract

Provided is a shaft hole parameter measuring device. Multiple columns are arranged around a horizontal platform, a base plate is movably installed on the columns and can slide along the columns. Multiple digital panels corresponding to shaft hole positions on a workpiece are arranged on the base plate, vertical shaft devices corresponding to at least two shaft holes formed in the workpipece and used for positioning the axes of the shaft holes are further arranged on the base plate, and at least one positioning mechanism in the vertical shaft devices is in contact with the digital panels. The shaft hole parameter measuring device can achieve accurate and quick measurement of axis distances, perpendicularity, parallelism depth and other parameters of the shaft holes through matching between the vertical shaft devices and the liftable base plate provided with the digital panels. The shaft hole parameter measuring device is convenient to operate, high in measuring speed and lower in cost and is suitable for online measurement on a production line.

Description

technical field [0001] The invention relates to the field of measuring devices, in particular to a shaft hole parameter measuring device. Background technique [0002] There are many shaft holes that require high precision on the hydraulic mechanical arm equipment, such as the shaft holes of the upper arm and the small arm in the hydraulic mechanical arm. to the state of use of the equipment after final assembly. When the parallelism and perpendicularity errors of the shaft holes are large, the equipment will not run smoothly, and the shaft or sleeve will be easily worn, thereby shortening the service life of the equipment. Existing parts rarely adopt the method of self-manufacturing, and mostly adopt the method of outsourcing processing, and it is difficult to measure the size and shape accuracy of such parts. If the size and shape of the parts cannot be If the accuracy is controlled, it is difficult to assemble and produce equipment that meets the quality requirements. ...

Claims

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Application Information

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IPC IPC(8): G01B7/14G01B7/30G01B7/305G01B11/14G01B11/26
Inventor 孙宜华吴世立叶林龙
Owner 宜昌力帝环保机械有限公司