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Novel high-efficiency rotation mechanical coupling alignment device and adjustment method thereof

A coupling and centering technology, which is applied in the field of new high-efficiency coupling centering and foot pad adjustment devices, can solve the problem of poor applicability, large investment in laser centering equipment, and poor laser transmitter/receiver fixation. And other issues

Pending Publication Date: 2018-06-15
HUADIAN ELECTRIC POWER SCI INST CO LTD
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Problems solved by technology

Although this method has high precision, the investment in laser centering equipment is large, and the chain-type fixed laser transmitter / receiver is poorly fixed and easy to deviate
The fixed long pole of the laser transmitter / receiver is not suitable for center correction in some narrow areas on site, and its applicability is not strong

Method used

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  • Novel high-efficiency rotation mechanical coupling alignment device and adjustment method thereof

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Embodiment 1

[0028] Such as figure 1 As shown, the present invention provides a new type of high-efficiency coupling centering and ground pad adjustment device, which mainly includes micro eddy sensors A0-A2, bridge gauges Q1-Q2, data processing and display D and other components. Use the eddy sensor A0 to measure the deviation value of the outer circle of the coupling, use the two sensors A1 and A2 to measure the small deviation value of the section, transmit the electrical signal to the processor D through the cable, convert it into displacement and import it into the calculation of the center deviation of the coupling The software calculates the deviation of the outer circle and the value of the opening of the section, and the calculation module reverses the adjustment amount of the foot gasket according to the measurement results, and corrects the center deviation within the standard range, thus completing the entire process of the coupling center.

[0029] Wherein, the eddy sensors A0...

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Abstract

The invention relates to a novel high-efficiency rotation mechanical coupling alignment device and an adjustment method thereof. The device of the invention includes miniature eddy current sensors, bridge gauges, a data processor, a display and the like. The eddy current sensors are used to measure small deviation of the outer periphery and section of a coupling; electrical signals are transmittedto the processor through a cable; the electrical signals are converted into a displacement quantity; the displacement quantity is introduced into coupling center deviation calculation software; the deviation of the outer periphery of the coupling and the numerical value of the opening of the section of the coupling are calculated; and a calculation module infers the adjustment quantity of a ground foot gasket according to measurement results; and center deviation is corrected to be within a standard range, and the entire process of the alignment of the center of the entire coupling can be completed.

Description

technical field [0001] The invention relates to the field of centering of rotating mechanical couplings in thermal power plants, in particular to a novel high-efficiency coupling centering and ground pad adjustment device and a method for using the same. Background technique [0002] It is a basic but very important process to find the center of the rotating mechanical couplings of the steam turbine generator set, water pump, fan, coal mill, etc. The misalignment of the rotating mechanical coupling will inevitably cause abnormal vibration of the rotating machine. Therefore, it is necessary to find the center of the rotating mechanical shaft in the infrastructure and daily maintenance of the thermal power plant, so that the center of the two shafts does not exceed the specified value. At present, the methods widely used in rotating machinery are as follows: [0003] 1. Feeler gauge method. The disadvantage of this method is that the measurement error is large, and it is on...

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Application Information

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IPC IPC(8): G01B7/00
CPCG01B7/003
Inventor 马光耀赵玉柱郑惠邴汉昆陈帅庞乐李鹏
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD
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