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Hobbing cutter abrasion test experimental platform and matched measurement evaluation method

A technology for testing experiments and evaluation methods, applied in the field of experimental platforms, can solve the problems of lagging measurement results, weak engineering guidance, large measurement errors, etc., and achieve the effects of simple structure, convenient operation, and improved stability

Pending Publication Date: 2018-02-13
CHINA RAILWAY TUNNEL GROUP CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems in the prior art that the measurement results have hysteresis, the engineering guidance is not strong and the measurement error is large

Method used

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  • Hobbing cutter abrasion test experimental platform and matched measurement evaluation method
  • Hobbing cutter abrasion test experimental platform and matched measurement evaluation method
  • Hobbing cutter abrasion test experimental platform and matched measurement evaluation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A hob wear test platform, see Figure 1 to Figure 2 , the platform is equipped with an abrasive box 11 and a transmission device, and the output end of the transmission device is equipped with a clamping element for clamping the hob cutter ring 7, so that the hob cutter ring 7 is above the abrasive box 11; the clamping element includes two sides Cutter shaft support 9, one side is fixed on the output end of the transmission, and the other side is fixed on the abrasive box 11, the outer ring of the cutter hub 8 matches the hob cutter ring 7, and the inner ring of the cutter hub 8 matches the cutter The shaft support 9 cooperates; a sensor bracket 5 is also installed on the transmission device, and an eddy current sensor element is installed on the sensor bracket 5 and corresponding to the outer side of the hob cutter ring 7 .

[0031] The transmission device includes a reducer 2 and a coupling 3 installed at the output end of the motor. One end of the coupling 3 is conne...

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Abstract

The invention relates to a hobbing cutter abrasion test and abrasion resistance research experimental platform and a measurement evaluation method, aiming at solving the problems that in the prior art, measurement results have hysteresis, lower in engineering guidance and large in measurement error. The hobbing cutter abrasion test and abrasion resistance research experimental platform is providedwith an abrasive box and a transmission device, wherein an output end of the transmission device is provided with a clamping element used for clamping a cutter ring of a hobbing cutter, and the cutter ring of the hobbing cutter is enabled to be positioned above the abrasive box; the clamping element comprises cutter shaft support seats arranged at the two sides, wherein the cutter shaft support seat arranged at one side is fixed at an output end of the transmission device, and the cutter shaft support seat arranged at the other side is fixed on the abrasive box; the outer ring of a cutter hubis matched with the cutter ring of the hobbing cutter, and the inner ring of the cutter hub is matched with the cutter shaft support seats; the transmission device is also provided with a sensor bracket; an eddy current sensor element is arranged on the sensor bracket and at the position corresponding to the outer side of the outer ring of the hobbing cutter. The hobbing cutter abrasion test andabrasion resistance research experimental platform and the measurement evaluation method have the advantages that measurement is carried out on the cutting basis of simulation of a working environment, and an abrasion test is effectively combined with evaluation; real-time detection is realized, the measurement accuracy is increased, and the equipment application size is wide.

Description

technical field [0001] The invention relates to an experiment platform, in particular, a hob wear test platform for hob wear test and wear resistance research and a matching measurement and evaluation method are designed. Background technique [0002] As an important construction equipment for underground engineering, shield / TBM is playing an increasingly important role in tunnel construction. The hob is a key component of shield / TBM cutter head, which directly interacts with rock formations, and its wear resistance directly affects Shield / TBM tunneling efficiency. At present, due to the lack of relevant wear resistance test platforms and methods, the wear resistance of hobs varies greatly, and the quality is uneven, resulting in abnormal wear of cutter heads in shield / TBM construction, which is not conducive to construction risk control and cost management. , but also cause a waste of social resources. [0003] The main technology for hob wear testing at this stage is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/56
CPCG01N3/56G01N2203/0005G01N2203/005G01N2203/0617G01N2203/0682
Inventor 周建军孙振川陈桥苏文德蔡文明李凤远王凯于飞张健儒李建雄刘瑞庆
Owner CHINA RAILWAY TUNNEL GROUP CO LTD
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