Tunnel boring machine tool installation size measuring method
A technology for tunnel boring machine and installation dimensions, which is applied in the field of tunnel boring machine tool installation dimension measurement, which can solve the problems of unfavorable storage management of formwork gauges, large installation and measurement errors, and increased measurement costs, achieving high precision of test results and accurate measurement Good performance and reduced measurement cost
Active Publication Date: 2017-09-29
广州市盾建建设有限公司 +1
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[0004] The advantage of this method is that it is intuitive and the measurement results are clear at a glance, but its disadvantage is that it needs to process special template gauges according to different tool layout schemes, resulting in increased measurement costs, and a large number of template gauges is not conducive to storage management; in addition , this traditional measurement method is generally used when the tool is positioned and installed in the factory, that is, it is used before the cutter head and the shield body are assembled (the cutter head is placed horizontally), the installation measurement error is large, and it is difficult for shield machine users , after the cutter head is installed, it is difficult to use this method to detect and accept the installation size of the cutter, so its versatility is not high
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[0054] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, and do not limit the protection scope of the present invention.
[0055] It should be noted that when an element is referred to as being “fixed on”, “disposed on” or “installed on” another element, it may be directly on the other element or there may be an intervening element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an intervening element at the same time; the specific way that one element is fixedly connected to another element can be realized through existing technologies, and will not be discussed here. To repeat it agai...
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The invention discloses a tunnel boring machine tool installation size measuring method which comprises the following steps: S1, installing a first reflective sheet on a cutter panel, defining the center point of the first reflective sheet and recording the center point as M, and using a total station to measure the 3D coordinate values of the center point O of the cutter panel and the center point M of the first reflective sheet; S2, installing a second reflective sheet on the locating point of a tool to be measured, defining the center point of the second reflective sheet and recording the center point as A, and using the total station to measure the 3D coordinate values of the center point A of the second reflective sheet; and S3, carrying out combinational calculation on the 3D coordinate values of the center point M of the first reflective sheet, the center point O of the cutter panel and the center point A of the second reflective sheet through a spatial analytical geometry method to get installation size data of the tool to be measured. The method is applicable to the measurement of tools under different installation or usage conditions. The measurement result is of high accuracy. The measurement efficiency can be improved, and the measurement cost can be reduced.
Description
technical field [0001] The invention relates to the technical field of measuring a cutting tool of a tunnel boring machine, in particular to a method for measuring the installation size of a cutting tool of a tunnel boring machine. Background technique [0002] In construction projects such as mountain roads and subways, tunnel boring machines are widely used for road construction. Various rock-breaking tools are installed on the cutter head of the tunnel boring machine, mainly including disc hobs and various fixed cutters. Particularly important. How to check whether various knives are accurately installed and positioned according to the dimensional data of the design drawings is an important problem faced in the factory inspection process of cutterheads and knives. [0003] At present, the more commonly used inspection method is to use a specially customized template ruler for measurement. The measurement principle is roughly as follows: according to the design installa...
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IPC IPC(8): G01B21/00
Inventor 张厚美
Owner 广州市盾建建设有限公司