CN-115653616-B - Guiding system and guiding method of spiral downlink tunnel boring machine

CN115653616BCN 115653616 BCN115653616 BCN 115653616BCN-115653616-B

Abstract

The invention discloses a guiding system of a spiral downlink tunnel boring machine, which performs three-dimensional guiding by combining a plane coordinate system and an elevation, wherein the plane coordinate system is established by the center of the plane of the spiral downlink tunnel, the plane coordinate system comprises an X axis and a Y axis, and the X axis and the Y axis are respectively parallel to straight line segments around the spiral downlink tunnel. The guiding system and the guiding method of the spiral downlink tunnel boring machine establish a three-dimensional space guiding system of a plane coordinate system and an elevation, solve the problem that the horizontal coordinate of the spiral downlink tunnel cannot be identified by a traditional guiding system, control the tunnel in a partition mode, and conduct plane coordinate numerical conversion in a plane coordinate conversion area to provide visual numerical values of left deviation and right deviation of the boring machine, and facilitate accurate and visual direction adjustment and deviation correction of a boring machine driver.

Inventors

HUANG JIANGFAN
JI GUODONG
ZHANG BINLIANG
MA XUQIANG
LI JUCAI
PENG ZHIYUAN

Assignees

中铁十八局集团有限公司
中铁十八局集团隧道工程有限公司

Dates

Publication Date: 20260505
Application Date: 20221102

Claims (1)

1. The guiding method of the guiding system of the spiral downlink tunnel boring machine comprises the steps of carrying out three-dimensional guiding by combining a plane coordinate system (2) and an elevation, wherein the plane coordinate system (2) is established by the center of the plane of the spiral downlink tunnel (1), the plane coordinate system (2) comprises an X axis and a Y axis, the X axis and the Y axis are respectively parallel to straight line sections around the spiral downlink tunnel (1), the X axis is parallel to the straight line sections of an inlet of the spiral downlink tunnel (1), the guiding system divides the spiral downlink tunnel (1) into A, B, C, D areas according to the plane coordinate system (2) and the straight line sections around the spiral downlink tunnel (1), a turning section between adjacent areas is a plane coordinate conversion area (21), a plane coordinate conversion point (22) is arranged on the plane coordinate conversion area (21), and the guiding system displays a space where the boring machine is located in a three-dimensional view according to the plane coordinate system (2) and the elevation; the guiding method is characterized by comprising the following steps of: S1, starting the heading machine, guiding the plane coordinate of a guiding system by a Y-axis, wherein the Y-axis value is larger than a design value, namely the heading machine is right-biased, and is left-biased; s2, the heading machine enters the area A, the plane coordinate of the guiding system is guided by a Y axis, and the numerical value of the Y axis is larger than a design value, namely the heading machine is right-deviated, otherwise left-deviated; S3, the heading machine enters a plane coordinate conversion area (21) between the area A and the area B, when the value of the Y axis is reduced to half of the value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by an X axis, and the value of the X axis is larger than a design value, namely, the heading machine is deviated leftwards and rightwards, otherwise, the value of the X axis is deviated rightwards; s4, the heading machine passes through the zone B and enters a plane coordinate conversion zone (21) between the zone B and the zone C, when the value of the X axis is increased to half of the value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the Y axis, and the value of the Y axis is larger than the design value, namely the heading machine is deviated leftwards and rightwards, otherwise, the value of the Y axis is deviated rightwards; S5, the heading machine passes through the C area and enters a plane coordinate conversion area (21) between the C area and the D area, when the value of the Y axis is increased to half of the value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the X axis, and the value of the X axis is larger than the design value, namely the heading machine is right-deviated, otherwise left-deviated; s6, returning to the step S2 until the tunnel is penetrated.

Description

Guiding system and guiding method of spiral downlink tunnel boring machine Technical Field The invention relates to the technical field of guiding of tunnel construction heading machines, in particular to a guiding system and a guiding method of a spiral downlink tunnel heading machine. Background In recent years, with the continuous development of underground engineering, development machines are increasingly used. The guiding system is used as a necessary facility for construction, provides direction guiding for the construction of the heading machine, ensures the construction quality of the tunnel, and has self-evident function. The tunnel engineering scale is continuously enlarged, tunnel forms are various, in a spiral downlink tunnel, the condition that horizontal coordinates of the tunnels overlap exists, a traditional guiding system guides by horizontal deviation and vertical deviation, the direction of a heading machine cannot be recognized to provide guiding requirements for construction of the heading machine, in construction of the heading machine, the operation of a driver of the heading machine always carries out attitude control of the heading machine by three numerical values of the horizontal deviation, the vertical deviation and a rolling angle, and the traditional guiding system cannot provide guiding in the direction of the horizontal deviation in the spiral downlink tunnel. Therefore, how to guide the spiral descending tunnel boring machine is a problem to be solved urgently. Disclosure of Invention The invention provides a guiding system and a guiding method for a spiral downlink tunnel boring machine, which are used for establishing three-dimensional combined guiding by combining a plane coordinate system and an elevation according to engineering characteristics of the spiral downlink tunnel and carrying out partition guiding on the tunnel. The technical scheme adopted for solving the technical problems is as follows: The guide system of the spiral downlink tunnel boring machine performs three-dimensional guide by combining a plane coordinate system and an elevation, the plane coordinate system is established by the center of a plane of the spiral downlink tunnel, the plane coordinate system comprises an X axis and a Y axis, the X axis and the Y axis are respectively parallel to straight line sections around the spiral downlink tunnel, the X axis is parallel to the straight line sections of an inlet of the spiral downlink tunnel, the guide system divides the spiral downlink tunnel into A, B, C, D four areas according to the plane coordinate system and the straight line sections around the spiral downlink tunnel, turning sections between adjacent areas are plane coordinate conversion areas, plane coordinate conversion points are arranged on the plane coordinate conversion areas, and the guide system displays space points where the boring machine is located in a three-dimensional view according to the plane coordinate system and the elevation. A guiding method of a guiding system of a spiral downlink tunnel boring machine, the guiding method comprising the steps of: S1, starting the heading machine, guiding the plane coordinate of a guiding system by a Y-axis, wherein the Y-axis value is larger than a design value, namely the heading machine is right-biased, and is left-biased; s2, the heading machine enters the area A, the plane coordinate of the guiding system is guided by a Y axis, and the numerical value of the Y axis is larger than a design value, namely the heading machine is right-deviated, otherwise left-deviated; S3, the heading machine enters a plane coordinate conversion area between the area A and the area B, when the value of the Y axis is reduced to half of the value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by an X axis, and the value of the X axis is larger than a design value, namely the heading machine is deviated left, and is deviated right; s4, the heading machine passes through the zone B, enters a plane coordinate conversion zone between the zone B and the zone C, and when the value of the X axis is increased to half of the value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the Y axis, wherein the value of the Y axis is larger than the design value, namely the heading machine is deviated leftwards and rightwards, and otherwise, the value of the Y axis is deviated rightwards; S5, the heading machine passes through the C area and enters a plane coordinate conversion area between the C area and the D area, when the value of the Y axis is increased to half of the value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the X axis, and the value of the X axis is larger than the design value, namely the heading machine is right-deviated, and otherwise left-deviated; s6, returning to the step S2 until the tunne