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Novel adjustable eddy current displacement sensor mounting bracket and adjusting method

A technology of eddy current sensors and displacement sensors, which is applied in the direction of adopting electrical devices, instruments, measuring devices, etc., can solve the problems of single support, low accuracy and reliability, achieve high-efficiency adjustment, improve safety and work efficiency, and low cost Effect

Active Publication Date: 2020-11-13
HARBIN ELECTRIC POWER GENERATION EQUIP NAT ENG RES CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in actual engineering, since the eddy current displacement sensor must be fixed and installed, it is generally arranged vertically in pairs
At the current stage, the traditional turbine displacement sensor mounting bracket is relatively simple, the accuracy and reliability are not high, and manual close-range adjustment is required

Method used

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  • Novel adjustable eddy current displacement sensor mounting bracket and adjusting method
  • Novel adjustable eddy current displacement sensor mounting bracket and adjusting method
  • Novel adjustable eddy current displacement sensor mounting bracket and adjusting method

Examples

Experimental program
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specific Embodiment approach 1

[0031] Specific implementation mode one: combine Figure 1-Figure 4 Describe this embodiment, a new type of adjustable eddy current displacement sensor mounting bracket in this embodiment, including a horizontal eddy current sensor 1, an adjustment bracket 2, a vertical eddy current displacement sensor 3 and a hydraulic cylinder 4, the cylinder body of the hydraulic cylinder 4 The end is fixed on the ground, the output end of the hydraulic cylinder 4 is fixedly connected to one end of the adjustment bracket 2, and the other end of the adjustment bracket 2 is respectively installed with a horizontal eddy current sensor 1 and a vertical eddy current displacement sensor 3, and the horizontal eddy current sensor 1 is arranged on the In the horizontal direction close to the rotating shaft 5, the vertical eddy current displacement sensor 3 is arranged in the vertical direction close to the rotating shaft 5, and the hydraulic cylinder 4 is electrically connected to the control system,...

specific Embodiment approach 2

[0032] Specific implementation mode two: combination Figure 1-Figure 4 Describe this embodiment, based on specific embodiment 1, a new type of adjustable eddy current displacement sensor mounting bracket in this embodiment, the adjustment bracket 2 includes a thrust plate 21, a horizontal rod 22, a second connecting rod 23, and a steering rod 24 , the first connecting rod 25, the guide rod 26 and the limit seat 27, the output end of the hydraulic cylinder 4 is fixedly connected and installed on one side of the thrust plate 21, and one end of the thrust plate 21 is fixedly installed with a horizontal rod 22, and the other end of the horizontal rod 22 is fixedly installed There is a horizontal eddy current sensor 1, the other end of the thrust plate 21 is hingedly installed with one end of the second connecting rod 23, the other end of the second connecting rod 23 is hingedly installed with one end of the steering rod 24, and the middle part of the steering rod 24 is hingedly in...

specific Embodiment approach 3

[0033] Specific implementation mode three: combination Figure 1-Figure 4 Describe this embodiment, a new type of adjustable eddy current displacement sensor mounting bracket in this embodiment, one end of the horizontal rod 22 is processed with a dovetail platform 221 and a threaded hole 222, and the upper end of the thrust plate 21 is processed with a dovetail groove 211 and a bolt interface 212 , the dovetail platform 221 on the horizontal rod 22 is installed in the dovetail groove 211 on the thrust plate 21 with clearance fit, and the bolts are fixedly connected and installed on the threaded holes 222 of the horizontal rod 22 through the bolt interface 212 on the thrust plate 21, so that vertical For the adjustment of the direction, the dovetail platform 221 and the dovetail groove 211 play the role of clamping and limiting, so as to ensure that the horizontal eddy current sensor 1 is always perpendicular to the maximum radius of the rotating shaft 5 .

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Abstract

The invention discloses a novel adjustable eddy current displacement sensor mounting bracket and an adjusting method, and belongs to the field of rotary mechanical equipment. The bracket comprises a horizontal eddy current sensor, a vertical eddy current displacement sensor, an adjusting bracket and a hydraulic cylinder, the cylinder body end of the hydraulic cylinder is fixed on the ground; the output end of the hydraulic cylinder is fixedly connected with one end of the adjusting bracket; the horizontal eddy current sensor and the vertical eddy current displacement sensor are installed at the other end of the adjusting bracket, the horizontal eddy current sensor is arranged in the horizontal direction close to a rotating shaft, the vertical eddy current displacement sensor is arranged inthe vertical direction close to the rotating shaft, and the hydraulic cylinder is electrically connected with a control system. In order to improve the installation efficiency of the eddy current displacement sensor and improve the accuracy and reliability, the position of the probe of the eddy current displacement sensor in the horizontal direction and the vertical direction can be accurately adjusted through a hydraulic control system, and the bracket is simple in structure, ingenious in design, convenient to disassemble and assemble, firm in assembly and suitable for application and popularization.

Description

technical field [0001] The invention relates to a novel adjustable eddy current displacement sensor mounting bracket and an adjustment method, which belong to the field of rotating mechanical equipment. Background technique [0002] The eddy current displacement sensor is a non-contact short-distance displacement sensor. In actual engineering, it is widely used in gas turbines, aero engines, steam turbines and other rotating mechanical equipment. It can realize online vibration monitoring and fault diagnosis of large rotating mechanical equipment. However, in actual engineering, since the eddy current displacement sensors must be fixedly installed, they are generally arranged vertically in pairs when used. At the current stage, the traditional turbine displacement sensor mounting bracket is relatively simple, the accuracy and reliability are not high, and manual close-range adjustment is required. [0003] Therefore, it is urgent to propose a new type of adjustable eddy cur...

Claims

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Application Information

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IPC IPC(8): G01B7/02
CPCG01B5/0004G01B7/02
Inventor 孟凡刚冯永志于宁赵俊明马胜远由岫王辉陈奕嘉孙涛郭祖光戴博林丁继伟陈洪港刘勇卜一凡刘占生
Owner HARBIN ELECTRIC POWER GENERATION EQUIP NAT ENG RES CENT CO LTD
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