A laser alignment device and alignment method thereof

A laser centering and laser instrument technology, applied in the direction of optical devices, measuring devices, instruments, etc., can solve problems such as complex centering methods, short service life, complicated calculation process, etc., to overcome shortcomings and limitations, improve Long service life, simple and reasonable structure

Active Publication Date: 2015-07-29
NANJING CHEM CONSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for some large-scale mechanical equipment such as multi-stage compressors, centrifugal pumps and other complete sets of equipment, the centering installation of the bearing bush has become a difficult installation problem. The existing method is to pull the steel wire above the bearing bush, and continuously adjust the height of the steel wire to make it At the concentric position of the bearing bush, then use the power cord to connect the steel wire and the bearing bush, and connect the earphone to the power cord. If the sound is heard, it means that it has been centered. If the sound is intermittent, the height of the steel wire needs to be readjusted. The progress of the centering of the bearing bush is slow, and the earphone listening method requires more skilled employees to operate, and the hands should not shake during operation. This method has great limitations. , low efficiency, labor-intensive and time-consuming, and the accuracy of the centered bearing bush is not high, the wear of the multi-stage shaft or centrifugal shaft of the installed large-scale mechanical equipment is high during work, and the service life is short
[0003] After the development of laser technology, many people have used lasers to develop some centering devices and operations using lasers. These laser centering devices have good centering effects, but they are expensive and belong to precision instruments. The requirements of practical users are relatively high, among which the centering method is more complicated, and the calculation process required is very complicated, which is difficult for ordinary people to master and must be operated by professionals, which greatly reduces the practicability of this technology

Method used

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  • A laser alignment device and alignment method thereof
  • A laser alignment device and alignment method thereof
  • A laser alignment device and alignment method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0027] It can be seen from the accompanying drawings that a laser centering device includes: a laser device 1, a dummy shaft 2, a dummy bearing bush 4, a supporting leg and a balance device, and is characterized in that: the laser device is installed on a dummy shaft, Threaded holes are respectively provided at 0°, 180°, 225° and 315° on both sides of the bearing bush, and the supporting legs are connected to the false bearing bush through threads, and the extension line of the supporting legs passes through the center of the circle. The laser instrument 1 is equipped with a laser emitting device and receiver. Through the adjustment of the four supporting legs, the axis of the dummy shaft 2 and the axis of the bearing bush 9 to be tested can be on the same horizontal line, and the centering operation is performed by a laser instrument.

Embodiment 2

[0029] As an improvement of the present invention, the balance device is composed of a cylindrical balance weight 3 , which is arranged on the other side of the dummy shaft 2 . After adopting this design, the weight on both sides of the dummy shaft 2 can be balanced, the laser device 1 can work normally, and the cylindrical balance weight 3 will not affect the rotation of the dummy shaft 2 in the dummy bearing bush 4 . The rest of the structural features and advantages are exactly the same as in Embodiment 1.

Embodiment 3

[0031] As an improvement of the present invention, the balance device is composed of a laser instrument 1, which is arranged on the other side of the false axis 2. After adopting this design, the dummy shaft 2 can maintain a balanced state when working, the laser device 1 can work accurately, and can perform centering operations to both sides with the center as the standard, which can improve the centering efficiency. All the other structures and advantages are identical to Embodiment 1.

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Abstract

The invention relates to a laser centering device. The laser centering device is mainly composed of a laser instrument, a false axis, a false bearing bush, a supporting leg and a balancing device; the laser instrument is arranged on the false axis, threaded holes are respectively arranged at 0 DEG, 180 DEG, 225 DEG, and 315 DEG parts at two sides of the false bearing bush, the supporting leg is connected with the false bearing bush through the thread, and the extension cord of the supporting leg passes through the centre. The invention further relates to a method for centering by using the laser centering device, the method comprises the steps of enabling the axes of the false axis and the axes of the bearing bush to be on the same horizontal level by regulating the length of the supporting leg according to the diameters of different bearing bushes, and then centering through the laser instrument. The device disclosed by the invention is simple, practical and reliable, the difficulty in the centering operation of the traditional multi-stage bearing bush can be solved, the centering precision is high, the professional in the centering operation of the multi-stage bearing bush is reduced, and the labor in the bearing bush centering operation is saved.

Description

technical field [0001] The invention relates to a laser centering device, which is a tool for adjusting the supporting legs of the laser centering device so that the dummy shaft is at the axial center of the bearing bush, and a laser instrument on the dummy shaft is used to realize the centering operation of the bearing bush. It belongs to the field of laser centering installation of bearing bushes of complete sets of equipment such as large multistage compressors and centrifugal pumps. The invention also relates to a centering method using the laser centering device. Background technique [0002] With the vigorous development of my country's manufacturing industry, large-scale machinery and equipment have also been widely used in many enterprises, and have become the economic lifeline of enterprises. However, for some large-scale mechanical equipment such as multi-stage compressors, centrifugal pumps and other complete sets of equipment, the centering installation of the b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C15/00G01B11/27
Inventor 甘继荣陈金康陈建栋王雄飞
Owner NANJING CHEM CONSTR
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