CN115653616A - Guiding system and guiding method of spiral descending tunnel boring machine - Google Patents
Guiding system and guiding method of spiral descending tunnel boring machine Download PDFInfo
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- CN115653616A CN115653616A CN202211359629.6A CN202211359629A CN115653616A CN 115653616 A CN115653616 A CN 115653616A CN 202211359629 A CN202211359629 A CN 202211359629A CN 115653616 A CN115653616 A CN 115653616A
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Abstract
The invention discloses a guide system of a spiral down-going tunnel boring machine, which performs three-dimensional guide by combining a plane coordinate system and an elevation; the plane coordinate system is established by the center of the plane of the spiral descending tunnel, and comprises an X axis and a Y axis which are respectively parallel to straight line segments around the spiral descending tunnel. The guide system and the guide method of the spiral down tunnel boring machine establish a three-dimensional space guide system of a plane coordinate system and an elevation, and solve the problem that the horizontal coordinate of the spiral down tunnel is overlapped with the traditional guide system and cannot be identified; the tunnel is controlled in a subarea mode, plane coordinate numerical value conversion is carried out in the plane coordinate conversion area, visual numerical values of left deviation and right deviation of the heading machine are provided, and a driver of the heading machine can accurately and visually adjust the direction and correct the deviation conveniently.
Description
Technical Field
The invention relates to the technical field of tunnel construction heading machine guiding, in particular to a guiding system and a guiding method of a spiral descending tunnel heading machine.
Background
In recent years, with the continuous development of underground engineering, the application of the heading machine is more and more extensive. The guide system serves as a construction necessary facility, provides direction guide for the construction of the heading machine, and ensures the construction quality of the tunnel, and the function of the guide system is self-evident.
The tunnel engineering scale is continuously enlarged, the tunnel forms are various, the condition of tunnel horizontal coordinate overlapping exists in the spiral descending tunnel, the traditional guiding system guides by horizontal deviation and vertical deviation, and the direction of the development machine cannot be identified so as to provide the guiding requirement for development machine construction; in the construction of the tunneling machine, a tunneling machine driver operates to control the attitude of the tunneling machine according to three numerical values of horizontal deviation, vertical deviation and a rolling angle, and a traditional guide system cannot provide horizontal deviation direction guide in a spiral descending tunnel. Therefore, how to guide the spiral downward tunnel boring machine is an urgent problem to be solved.
Disclosure of Invention
The invention provides a guiding system and a guiding method of a spiral descending tunnel boring machine, which are used for establishing three-dimensional combined guidance combining a plane coordinate system and an elevation and conducting partition guidance on a tunnel according to engineering characteristics of the spiral descending tunnel.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a guide system of a spiral down-going tunnel boring machine is disclosed, which performs three-dimensional guide by combining a plane coordinate system and an elevation; the plane coordinate system is established by the center of the plane of the spiral descending tunnel, the plane coordinate system comprises an X axis and a Y axis, the X axis and the Y axis are respectively parallel to the straight line segments around the spiral descending tunnel, the X axis is parallel to the straight line segments at the inlet of the spiral descending tunnel, the guide system divides the spiral descending tunnel into four areas A, B, C and D according to the plane coordinate system and the straight line segments around the spiral descending tunnel, the turning section between adjacent areas is a plane coordinate conversion area, a plane coordinate conversion point is arranged on the plane coordinate conversion area, and the guide system displays the space point position of the heading machine in a three-dimensional view according to the plane coordinate system and the elevation.
A guiding method of a guiding system of a spiral downward tunnel boring machine comprises the following steps:
s1, starting the tunneling machine, guiding by a guide system plane coordinate through a Y axis, wherein the tunneling machine is deviated to the right when a Y axis numerical value is larger than a design value, and otherwise, the tunneling machine is deviated to the left;
s2, the heading machine enters the area A, the plane coordinate of the guide system is guided by the Y axis, and the numerical value of the Y axis is larger than the designed value, namely the heading machine is deviated to the right side, otherwise, the heading machine is deviated to the left side;
s3, the heading machine enters a plane coordinate conversion area between the area A and the area B, when the numerical value of the Y axis is reduced to half of the numerical value of the turning radius of the turning section, the plane coordinate of the guide system is guided by the X axis, and the numerical value of the X axis is larger than the designed value, namely the heading machine is deviated to the left, otherwise, the heading machine is deviated to the right;
s4, the heading machine passes through the area B and enters a plane coordinate conversion area between the area B and the area C, when the numerical value of the X axis is increased to half of the turning radius numerical value of the turning section, the plane coordinate of the guiding system is guided by the Y axis, and the numerical value of the Y axis is larger than the designed value, namely the heading machine is deviated to the left, otherwise, the heading machine is deviated to the right;
s5, the heading machine passes through the zone C and enters a plane coordinate conversion zone between the zone C and the zone D, when the value of the Y axis is increased to half of the turning radius value of the turning section, the plane coordinate of the guide system is guided by the X axis, and the value of the X axis is larger than the designed value, namely the heading machine is deviated to the right side, otherwise, the heading machine is deviated to the left side;
and S6, returning to the step S2 until the tunnel is penetrated.
Compared with the prior art, the guide system and the guide method of the spiral down tunnel boring machine establish a three-dimensional space guide system of a plane coordinate system and an elevation, and solve the problem that the horizontal coordinate of the spiral down tunnel is overlapped with the traditional guide system and cannot be identified; the tunnel is controlled in a partition mode, and plane coordinate numerical value conversion is carried out in the plane coordinate conversion area, so that visual numerical values of left deviation and right deviation of the tunneling machine are provided, and a driver of the tunneling machine can accurately and visually adjust the direction and correct the deviation conveniently.
Drawings
FIG. 1 is a schematic view of a spiral down tunnel according to the present invention.
Fig. 2 is a schematic plan coordinate view of the guiding system of the spiral down-tunnel boring machine of the present invention.
Fig. 3 is a schematic view of the guiding sub-section of the guiding system of the spiral down-the-tunnel boring machine of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to fig. 3, the guiding system of the spiral down-going tunnel boring machine performs three-dimensional guiding by combining a plane coordinate system 2 and an elevation; the plane coordinate system 2 is established by the center of the plane of the spiral descending 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 the straight line sections around the spiral descending tunnel 1, and the X axis is parallel to the straight line sections at the inlet of the spiral descending tunnel 1.
The guiding system divides the spiral descending tunnel 1 into four areas A, B, C and D according to a plane coordinate system 2 and straight line sections around the spiral descending tunnel 1, a turning section between adjacent areas is a plane coordinate conversion area 21, and a plane coordinate conversion point 22 is arranged on the plane coordinate conversion area 21.
The guiding system displays the space point position of the heading machine in a three-dimensional view according to the plane coordinate system 2 and the elevation;
when the heading machine enters the plane coordinate conversion area 21, the plane coordinates are subjected to X-axis and Y-axis plane coordinate conversion, the conversion process is automatically completed by the guide system, and a driver of the heading machine is prompted to confirm.
The guiding method of the guiding system of the spiral downward tunnel boring machine comprises the following steps:
s1, starting the tunneling machine, guiding a plane coordinate of a guide system by using a Y axis, wherein the Y axis numerical value is larger than a design value, namely the tunneling machine is deviated to the right side, and otherwise, the tunneling machine is deviated to the left side;
s2, the heading machine enters the area A, the plane coordinate of the guide system is guided by the Y axis, and the numerical value of the Y axis is larger than the designed value, namely the heading machine is deviated to the right side, otherwise, the heading machine is deviated to the left side;
s3, the heading machine enters a plane coordinate conversion area 21 between the area A and the area B, when the numerical value of the Y axis is reduced to half of the turning radius numerical value of the turning section, the plane coordinate of the guiding system guides by the X axis, and the numerical value of the X axis is larger than the designed value, namely the heading machine is deviated to the left side, otherwise, the heading machine is deviated to the right side;
s4, the heading machine passes through the area B and enters a plane coordinate conversion area 21 between the area B and the area C, when the numerical value of the X axis is increased to half of the numerical value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the Y axis, the numerical value of the Y axis is larger than the designed value, namely the heading machine is deviated to the left, and the heading machine is deviated to the right otherwise;
s5, the heading machine passes through the zone C and enters a plane coordinate conversion zone 21 between the zone C and the zone D, when the numerical value of the Y axis is increased to half of the numerical value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the X axis, and the numerical value of the X axis is larger than the designed value, namely the heading machine is deviated to the right side, otherwise, the heading machine is deviated to the left side;
s6, returning to the step S2 until the tunnel is through;
the guide system and the guide method of the spiral down tunnel boring machine establish a three-dimensional space guide system of a plane coordinate system 2 and an elevation, and solve the problem that the horizontal coordinate of a spiral down tunnel 1 is overlapped with the traditional guide system and cannot be identified; the tunnel is controlled in a subarea mode, plane coordinate value conversion is carried out in the plane coordinate conversion area 21, visual values of left deviation and right deviation of the heading machine are provided, and a driver of the heading machine can accurately and visually adjust the direction and correct the deviation conveniently.
Finally, it should be noted that: the above examples are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (2)
1. A guide system of a spiral downward tunnel boring machine is characterized in that the guide system performs three-dimensional guide by combining a plane coordinate system (2) and an elevation; the plane coordinate system (2) is established by the center of the plane of the spiral descending 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 segments around the spiral descending tunnel (1), the X axis is parallel to the straight-line segments at the inlet of the spiral descending tunnel (1), the guiding system divides the spiral descending tunnel (1) into four areas A, B, C and D according to the plane coordinate system (2) and the straight-line segments around the spiral descending 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 space points where the heading machine is located in a three-dimensional view mode according to the plane coordinate system (2) and the elevation.
2. A method of guiding a guide system of a screw down tunnel boring machine according to claim 1, wherein the method comprises the steps of:
s1, starting the tunneling machine, guiding by a guide system plane coordinate through a Y axis, wherein the tunneling machine is deviated to the right when a Y axis numerical value is larger than a design value, and otherwise, the tunneling machine is deviated to the left;
s2, the heading machine enters the area A, the plane coordinate of the guide system is guided by the Y axis, and the numerical value of the Y axis is larger than the designed value, namely the heading machine is deviated to the right side, otherwise, the heading machine is deviated to the left side;
s3, the heading machine enters a plane coordinate conversion area (21) between the area A and the area B, when the numerical value of the Y axis is reduced to half of the turning radius numerical value of a turning section, the plane coordinate of the guiding system is guided by the X axis, and the numerical value of the X axis is larger than the designed value, namely the heading machine is deviated to the left, otherwise, the heading machine is deviated to the right;
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 numerical value of the X axis is increased to half of the numerical value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the Y axis, the numerical value of the Y axis is larger than the designed value, namely the heading machine is deviated to the left, and the heading machine is deviated to the right;
s5, the heading machine passes through the zone C and enters a plane coordinate conversion zone (21) between the zone C and the zone D, when the numerical value of the Y axis is increased to half of the numerical value of the turning radius of the turning section, the plane coordinate of the guiding system is guided by the X axis, and the numerical value of the X axis is larger than the designed value, namely the heading machine is deviated to the right side, otherwise, the heading machine is deviated to the left side;
and S6, returning to the step S2 until the tunnel is through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202211359629.6A CN115653616A (en) | 2022-11-02 | 2022-11-02 | Guiding system and guiding method of spiral descending tunnel boring machine |
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| CN202211359629.6A CN115653616A (en) | 2022-11-02 | 2022-11-02 | Guiding system and guiding method of spiral descending tunnel boring machine |
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