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Disk cutter geological adaptability design method based on CAD/CAE and optimal design

A disc-shaped hob and design method technology, applied in the direction of calculation, special data processing applications, instruments, etc., can solve the problems of disc-shaped hob damage, low rock breaking efficiency, unreasonable size, etc., to reduce energy consumption, The effect of shortening the development cycle and prolonging the service life

Inactive Publication Date: 2010-05-19
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It solves the problems that the disc hob is prone to damage due to the unreasonable structure type and size of the disc hob, the rock breaking efficiency is not high, and the energy consumption is unnecessary during the rock breaking process of the disc hob

Method used

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  • Disk cutter geological adaptability design method based on CAD/CAE and optimal design
  • Disk cutter geological adaptability design method based on CAD/CAE and optimal design
  • Disk cutter geological adaptability design method based on CAD/CAE and optimal design

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Experimental program
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Embodiment Construction

[0023] 1. Establishment of CAD parametric model library of disc hob

[0024] First, collect and summarize the existing disc hob drawings at home and abroad, determine the main structure types of the disc hob model library to be established, and take the knife ring blade structure parameters blade angle, blade width, and transition arc radius as the basic geometric parameters. And when considering the installation design of the disc hob, the above basic parameters also include the interference value between the cutter ring and the cutter body, the basic parameters are used as design variables, and the disc hob is established by making different changes to the basic parameters. CAD parametric solid model library.

[0025] 2. Multi-objective optimization model establishment

[0026] According to the different parameters related to compressive / tensile strength and surrounding rock properties under confining pressure, a variety of typical strata are selected, and on the basis of t...

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Abstract

The invention relates to a disk cutter geological adaptability design method based on CAD / CAE and optimal design, which comprises the following steps of: collecting traditional disk cutter drawings to obtain different cutter ring structure types, and using cutter ring structure parameters including parameter radii, blade angles, blade width, transition arc radii, fit interference magnitude of a cutter ring and a cutter body, thickness of a sleeve between bearings and the like as design variables to establish a disk cutter CAD parameterized model base; selecting a typical stratum according to the different parameters of wall rock attributes, and establishing a mould satisfying geological adaptability and having different cutter specific energy consumption as an optimization objective; obtaining optimized disk cutter ring structure types and geometric parameter values through an SAGA algorithm; and obtaining the optimized fit interference magnitude of the cutter ring and the cutter body and the optimized thickness of the sleeve between the bearings through the obtained geometric modeling structure of the disk cutter ring by adopting a finite element analysis method. The invention improves the cutter adaptability for geology and provides a high efficiency platform for cutter design and manufacture.

Description

technical field [0001] The invention relates to an optimization design method, in particular to a geological adaptability design method of a disc hob based on CAD / CAE and optimization design, and belongs to the technical field of underground space engineering excavation equipment. Background technique [0002] The disc hob is the rock-breaking tool of the shield machine during the tunneling process, and its rock-breaking efficiency directly affects the tunneling speed and efficiency of the shield machine. The geological conditions of the shield machine during the excavation process are complex, and the physical parameters vary greatly in different strata, resulting in an increase in the random sudden change load borne by the disc hob. The knife ring is used as a disc hob to directly contact the rock mass for rock breaking The damage of the spare parts is quite large and the consumption is large. At the same time, due to the improper selection of the disc-shaped hob cutter r...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 夏毅敏薛静周喜温欧阳涛
Owner CENT SOUTH UNIV
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