A method and system for distributing segments of a tunneling machine

Abstract

The application provides a shield tunnel segment distribution setting method and system. The shield tunnel segment distribution setting method comprises the following steps: grabbing real-time data measured by a shield machine, wherein the real-time data are real-time data of a last ring assembling point of the shield machine; performing multiple point selection through staggered seam conditions, a shield tail gap, a stroke difference and an axis deviation to obtain an assembling point for current ring operation of the shield machine; and assembling segments of the shield machine according to the assembling point for current ring operation. The system comprises modules corresponding to the method steps.

Description

Technical Field

[0001] This invention proposes a method and system for the distribution and setting of tunnel lining segments in a tunnel boring machine (TBM), which belongs to the field of TBM technology. Background Technology

[0002] Segment selection refers to the flexible selection of tunnel segments to meet the requirements of the designed route while ensuring the quality of the segments to meet the requirements for acceptance and use.

[0003] The system employs universal wedge-shaped segment assembly, with each ring of wedges arranged identically. By selecting the position of block F and rotating the segments, the lead of the segments in each direction can be adjusted to conform to the designed trajectory. Figures 1 to 4 As shown, the core of this type of segment selection lies in choosing the location for assembling block F.

[0004] However, in the existing technology, the selection of points for assembling F blocks suffers from low efficiency and low accuracy, which in turn leads to significant safety hazards in the operation of the tunnel boring machine. Summary of the Invention

[0005] This invention provides a method and system for distributing tunnel segments in a tunnel boring machine (TBM), addressing the problems of low selection efficiency and accuracy in selecting assembly points for F-blocks in existing technologies, which leads to significant safety hazards during TBM operation. The technical solution adopted is as follows:

[0006] A method for distributing and setting tunnel lining segments of a tunnel boring machine (TBM), the method comprising:

[0007] Capture real-time data automatically measured by the tunnel boring machine, wherein the real-time data is the real-time data of the assembly points of the previous ring of the tunnel boring machine;

[0008] By selecting multiple points based on staggered joint conditions, shield tail gap, stroke difference, and axis deviation, the assembly points for the tunnel boring machine to operate in the current ring are obtained.

[0009] The tunnel segments of the tunnel boring machine are assembled according to the assembly points of the current ring operation.

[0010] Furthermore, by selecting points multiple times based on staggered joint conditions, shield tail gap, stroke difference, and axis deviation, the assembly points for the tunnel boring machine to operate in the current ring are obtained, including:

[0011] The first point is selected based on the staggered joint conditions of the tunnel boring machine to obtain the first point location;

[0012] Read the shield tail gap of the tunnel boring machine, and combine it with the shield tail gap condition to obtain the second point that meets the shield tail gap condition;

[0013] Read the travel difference of the tunnel boring machine and combine it with the travel difference conditions to obtain the third point that satisfies the travel difference condition;

[0014] The axis deviation of the tunnel boring machine is set, and the fourth point that satisfies the axis deviation condition is obtained in combination with the axis deviation condition.

[0015] Furthermore, based on the staggered joint conditions of the tunnel boring machine, the first point selection is carried out to obtain the first point location, including:

[0016] Number all points of the segments in the current ring of the tunnel boring machine to obtain a numbered point sequence table of the segments in the current ring; wherein, the points include staggered joint points, small continuous joint points, and large continuous joint points;

[0017] Extract the point selection principle of staggered joints, and select the points in the point sequence table according to the point selection principle to form the first point.

[0018] Furthermore, the tail clearance of the tunnel boring machine is read, and a second point satisfying the tail clearance condition is obtained in combination with the tail clearance condition, including:

[0019] The value of the bottom edge component L corresponding to the segment is obtained by the advance measurement; whereby the bottom edge component L is obtained by the following formula:

[0020]

[0021] Where L represents the bottom component; Q represents the lower lead, where the lead = wedge difference;

[0022] The angle value of the segment inclination angle α is obtained using the value of the bottom component L; wherein, the segment inclination angle α is obtained by the following formula:

[0023]

[0024] Where α represents the oblique angle of the segment; D represents the vertical distance from the upper base to the lower base of the trapezoidal segment;

[0025] The increase or decrease in the shield tail gap is calculated using the angle value α of the segment inclination; wherein, the increase or decrease in the shield tail gap is obtained by the following formula:

[0026] h=sin(α)·L x

[0027] L x =1780+Q

[0028] Where h represents the increase or decrease in the shield tail clearance, according to L x Calculation of the lower side length of the pipe fitting; L x Indicates the lower length of the pipe fitting; Q indicates the lower advance amount.

[0029] Based on the increase or decrease in the shield tail gap and the shield tail gap condition, obtain the second point that satisfies the shield tail gap condition;

[0030] The shield tail gap condition is: shield tail gap ≥ 5mm.

[0031] Furthermore, the axis deviation of the tunnel boring machine is set, and a fourth point that satisfies the resultant axis deviation condition is obtained in combination with the axis deviation condition, including:

[0032] Calculate the slope values ​​of the tunnel boring machine and the tunnel segments; wherein the slope values ​​of the tunnel boring machine and the tunnel segments are obtained by the following formula:

[0033] The slope value F1 of the tunnel boring machine is equal to (tail end deviation - mid-end deviation) / distance between the laser target and the tail of the shield.

[0034] The slope of the tunnel segment is F2 = tanα;

[0035] Where α represents the angle of inclination of the tunnel segment;

[0036] The axis deviation is obtained using the slope values ​​of the tunnel boring machine and the tunnel lining segments. The axis deviation is the axis value, and it is obtained using the following formula:

[0037] F = F1 + F2

[0038] Wherein, F represents the axis deviation, and the upper limit of the axis deviation is 0.0027, which is the maximum allowable deviation; F1 represents the slope of the tunnel boring machine; F2 represents the slope of the tunnel segment;

[0039] The fourth point that satisfies the combined axis deviation condition is obtained by using the axis deviation of the tunnel boring machine and the axis deviation condition; wherein, the axis deviation condition is: the axis deviation is not greater than 0.0027.

[0040] A tunnel boring machine (TBM) segment distribution system, the TBM segment distribution system comprising:

[0041] The capture module is used to capture real-time data automatically measured by the tunnel boring machine, wherein the real-time data is the real-time data of the assembly points of the previous ring of the tunnel boring machine.

[0042] The point selection module is used to select points multiple times based on staggered joint conditions, shield tail gap, stroke difference and axis deviation to obtain the assembly points for the tunnel boring machine to run the current ring.

[0043] The assembly module is used to assemble the tunnel segments of the tunnel boring machine according to the assembly points of the current ring operation.

[0044] Furthermore, the point selection module includes:

[0045] The first point selection module is used to select the first point based on the staggered joint conditions of the tunnel boring machine and obtain the first point location.

[0046] The second point selection module is used to read the shield tail gap of the tunnel boring machine and obtain the second point that meets the shield tail gap condition in combination with the shield tail gap condition;

[0047] The third point selection module is used to read the travel difference of the tunnel boring machine and obtain the third point that meets the travel difference condition in combination with the travel difference condition.

[0048] The fourth point selection module is used to set the axis deviation of the tunnel boring machine and obtain the fourth point that meets the axis deviation condition.

[0049] Furthermore, the first point selection module includes:

[0050] The table acquisition module is used to number all points of the segments of the current ring of the tunnel boring machine and obtain a table of numbered point sequences of the segments of the current ring; wherein, the points include staggered joint points, small continuous joint points and large continuous joint points;

[0051] The first point selection module is used to extract the point stagger selection principle and select points in the point sequence table according to the point stagger selection principle to form the first point.

[0052] Furthermore, the second point selection module includes:

[0053] The bottom edge component acquisition module is used to obtain the value of the bottom edge component L corresponding to the segment through the lead measurement; wherein, the bottom edge component L is obtained by the following formula:

[0054]

[0055] Where L represents the bottom component; Q represents the lower lead, where the lead = wedge difference;

[0056] The angle value acquisition module is used to obtain the angle value of the segment's inclination angle α using the value of the bottom component L; wherein, the segment's inclination angle α is obtained by the following formula:

[0057]

[0058] Where α represents the oblique angle of the segment; D represents the vertical distance from the upper base to the lower base of the trapezoidal segment;

[0059] The variable acquisition module is used to calculate the increase or decrease in the shield tail gap using the angle value of the segment inclination α; wherein, the increase or decrease in the shield tail gap is obtained by the following formula:

[0060] h=sin(α)·L x

[0061] L x =1780+Q

[0062] Where h represents the increase or decrease in the shield tail clearance, according to L x Calculation of the lower side length of the pipe fitting; L x Indicates the lower length of the pipe fitting; Q indicates the lower advance amount.

[0063] The second point selection module is used to obtain a second point that satisfies the shield tail gap condition based on the increase or decrease of the shield tail gap and the shield tail gap condition.

[0064] The shield tail gap condition is: shield tail gap ≥ 5mm.

[0065] Furthermore, the fourth point selection module includes:

[0066] The slope calculation module is used to calculate the slope values ​​of the tunnel boring machine and the tunnel segments; wherein the slope values ​​of the tunnel boring machine and the tunnel segments are obtained by the following formula:

[0067] The slope value F1 of the tunnel boring machine is equal to (tail end deviation - mid-end deviation) / distance between the laser target and the tail of the shield.

[0068] The slope of the tunnel segment is F2 = tanα;

[0069] Where α represents the angle of inclination of the tunnel segment;

[0070] The deviation calculation module is used to obtain the axis deviation using the slope values ​​of the tunnel boring machine and the tunnel lining segments. The axis deviation is the axis value, and it is obtained using the following formula:

[0071] F = F1 + F2

[0072] Where F represents the axis deviation; F1 represents the slope value of the tunnel boring machine; and F2 represents the slope value of the tunnel segment.

[0073] The fourth point selection module is used to obtain a fourth point that meets the same axis deviation condition by utilizing the axis deviation of the tunnel boring machine and the axis deviation condition; wherein, the axis deviation condition is: the axis deviation is not greater than 0.0027.

[0074] Beneficial effects of this invention:

[0075] The present invention proposes a method and system for setting up tunnel segment distribution in a tunnel boring machine. By automatically acquiring measurement data such as shield tail gap, system travel difference, and tunnel axis deviation, and by developing an automatic tunnel segment location selection tool, the tool comprehensively considers the previous ring location, shield tail gap, system travel difference, and tunnel axis deviation measurement data, and integrates the location arrangement algorithm into the tool. By simply inputting or automatically acquiring the corresponding data and clicking "calculate," the optimal segment assembly location can be automatically calculated, thus automating the selection of segment locations. Attached Figure Description

[0076] Figure 1 This is a schematic diagram of the basic situation of the tunnel boring machine segments described in this invention. Figure 1 ;

[0077] Figure 2 This is a schematic diagram of the basic situation of the tunnel boring machine segments described in this invention. Figure 2 ;

[0078] Figure 3 This is a schematic diagram of the basic situation of the tunnel boring machine segments described in this invention. Figure 3 ;

[0079] Figure 4 This is a schematic diagram of the basic situation of the tunnel boring machine segments described in this invention. Figure 4 ;

[0080] Figure 5 This is a schematic diagram illustrating the principle of the tunnel boring machine segment distribution method described in this invention;

[0081] Figure 6 This is a schematic diagram of the point sequence table for the shield tunnel segment distribution setting method described in this invention;

[0082] Figure 7 This is a schematic diagram of the tunnel segment distribution method for the tunnel boring machine described in this invention. Figure 1 ;

[0083] Figure 8 This is a schematic diagram of the tunnel segment distribution method for the tunnel boring machine described in this invention. Figure 2 ;

[0084] Figure 9 This is a schematic diagram of the tunnel segment distribution method for the tunnel boring machine described in this invention. Figure 3 ;

[0085] Figure 10 This is a schematic diagram of the tunnel segment distribution method for the tunnel boring machine described in this invention. Figure 4 ;

[0086] Figure 11 This is a system block diagram of the tunnel boring machine segment distribution system described in this invention. Detailed Implementation

[0087] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0088] This invention proposes a method for distributing tunnel segments in a tunnel boring machine, such as... Figure 5 As shown, the method for distributing and setting the tunnel lining segments of the tunnel boring machine includes:

[0089] S1. Capture real-time data automatically measured by the tunnel boring machine, wherein the real-time data is the real-time data of the assembly points of the previous ring of the tunnel boring machine.

[0090] S2. By selecting points multiple times based on staggered joint conditions, shield tail gap, stroke difference, and axis deviation, the assembly points for the tunnel boring machine to run the current ring are obtained.

[0091] S3. Assemble the tunnel segments of the tunnel boring machine according to the assembly points of the current ring operation.

[0092] Specifically, by selecting multiple points based on staggered joint conditions, shield tail gap, stroke difference, and axis deviation, the assembly points for the tunnel boring machine to operate in the current ring are obtained, including:

[0093] S201. Based on the staggered joint conditions of the tunnel boring machine, the first point is selected to obtain the first location;

[0094] S202. Read the shield tail gap of the tunnel boring machine and obtain the second point that meets the shield tail gap condition in combination with the shield tail gap condition;

[0095] S203. Read the travel difference of the tunnel boring machine and obtain the third point that meets the travel difference condition in combination with the travel difference condition; wherein, the travel difference condition is: travel difference ≤ 40mm;

[0096] S204. Set the axis deviation of the tunnel boring machine and obtain the fourth point that satisfies the axis deviation condition in combination with the axis deviation condition.

[0097] The first point selection, based on the staggered joint conditions of the tunnel boring machine, is to obtain the first point location, including:

[0098] S2011. Number all points of the segments in the current ring of the tunnel boring machine to obtain a numbered point sequence table of the segments in the current ring; wherein, the points include staggered joint points, small continuous joint points, and large continuous joint points; specifically: staggered joint points are those that can be assembled in the first place; small continuous joint points are those that should be selected when necessary; large continuous joint points are those that are strictly prohibited from being assembled.

[0099] S2012. Extract the point selection principle of staggered joints, and select the points in the point sequence table according to the point selection principle of staggered joints to form the first point.

[0100] Among them, such as Figure 6 As shown, the principle for selecting the staggered joints of the 19 points is: the position number of the first point + 2 + 3 + 3 + 3 + 3 + 3.

[0101] Among them, such as Figures 7 to 9 The term refers to reading the tail clearance of the tunnel boring machine and, in conjunction with the tail clearance conditions, obtaining a second point that satisfies the tail clearance conditions, including:

[0102] S2021. Obtain the value of the bottom edge component L corresponding to the segment through the advance measurement; wherein, the bottom edge component L is obtained by the following formula:

[0103]

[0104] Where L represents the bottom component; Q represents the lower lead, where the lead = wedge difference;

[0105] S2022. Obtain the angle value of the segment inclination angle α using the value of the bottom component L; wherein, the segment inclination angle α is obtained by the following formula:

[0106]

[0107] Where α represents the oblique angle of the segment; D represents the vertical distance from the upper base to the lower base of the trapezoidal segment;

[0108] S2023. Calculate the increase or decrease in the shield tail gap using the angle value of the segment inclination α; wherein, the increase or decrease in the shield tail gap is obtained by the following formula:

[0109] h=sin(α)·L x

[0110] L x =1780+Q

[0111] Where h represents the increase or decrease in the shield tail clearance, according to L x Calculation of the lower side length of the pipe fitting; L x Indicates the lower length of the pipe fitting; Q indicates the lower advance amount.

[0112] S2024. Based on the increase or decrease in the shield tail gap and the shield tail gap condition, obtain the second point that satisfies the shield tail gap condition.

[0113] The shield tail gap condition is: shield tail gap ≥ 5mm.

[0114] Specifically, such as Figure 10 As shown, the axis deviation of the tunnel boring machine is set, and the fourth point that satisfies the resultant axis deviation condition is obtained in combination with the axis deviation condition, including:

[0115] S2041. Calculate the slope value of the tunnel boring machine and the slope value of the tunnel segment; wherein, the slope value of the tunnel boring machine and the slope value of the tunnel segment are obtained by the following formula:

[0116] The slope value F1 of the tunnel boring machine is calculated as follows: (tail end deviation - middle end deviation) / distance between the laser target and the tail of the shield; where the distance between the laser target and the tail of the shield is usually 4618mm.

[0117] The slope of the tunnel segment is F2 = tanα;

[0118] Where α represents the angle of inclination of the tunnel segment;

[0119] S2042. The axis deviation is obtained using the slope value of the tunnel boring machine and the slope value of the tunnel segment, wherein the axis deviation is the axis value, and the axis deviation is obtained by the following formula:

[0120] F = F1 + F2

[0121] Wherein, F represents the axis deviation, and the upper limit of the axis deviation is 0.0027, which is the maximum allowable deviation; F1 represents the slope of the tunnel boring machine; F2 represents the slope of the tunnel segment;

[0122] S2043. Obtain the fourth point that satisfies the combined axis deviation condition by utilizing the axis deviation of the tunnel boring machine and the axis deviation condition; wherein, the axis deviation condition is: the axis deviation is not greater than 0.0027.

[0123] S2044. Integrating calculation tools into the tunnel boring machine (TBM) system or quality management system enables real-time data transmission and automated segment location calculation, replacing traditional manual calculations. This improves the automation level of TBM construction, lowers the barrier to entry for technology application, and facilitates intelligent quality control. Ultimately, this frees up labor, reduces construction costs, and enhances the company's core competitiveness within the industry.

[0124] The above technical solution has the following effects: The shield tunneling machine segment distribution method proposed in this embodiment has the following effects:

[0125] Labor cost savings:

[0126] Currently, one technician is responsible for one piece of equipment at the construction site.

[0127] After use—one technician at the construction site is responsible for the three pieces of equipment.

[0128] Low technical requirements:

[0129] Currently, the varying levels of expertise among on-site construction personnel frequently lead to miscalculations that cause the shield tail to collide.

[0130] After use—the technical staff at the construction site do not need to be highly specialized, and comparing the results of manual calculations with those of the plug-in is also a learning process.

[0131] Save time:

[0132] Currently, site selection is still done by on-site technicians who choose the sites, fill out paper reports, and send them to the tunnel boring machine operator, which wastes a lot of time.

[0133] After use—by connecting the tunnel boring machine (TBM) with the platform, the TBM can directly see the confirmation information of the technicians on the final selection of the plug-in, avoiding the time wastage caused by the transmission of paper documents.

[0134] This invention proposes a tunnel boring machine segment distribution system, such as... Figure 11 As shown, the tunnel lining segment distribution system includes:

[0135] The capture module is used to capture real-time data automatically measured by the tunnel boring machine, wherein the real-time data is the real-time data of the assembly points of the previous ring of the tunnel boring machine.

[0136] The point selection module is used to select points multiple times based on staggered joint conditions, shield tail gap, stroke difference and axis deviation to obtain the assembly points for the tunnel boring machine to run the current ring.

[0137] The assembly module is used to assemble the tunnel segments of the tunnel boring machine according to the assembly points of the current ring operation.

[0138] The point selection module includes:

[0139] The first point selection module is used to select the first point based on the staggered joint conditions of the tunnel boring machine and obtain the first point location.

[0140] The second point selection module is used to read the shield tail gap of the tunnel boring machine and obtain the second point that meets the shield tail gap condition in combination with the shield tail gap condition;

[0141] The third point selection module is used to read the travel difference of the tunnel boring machine and obtain the third point that meets the travel difference condition; wherein, the travel difference condition is: travel difference ≤ 40mm;

[0142] The fourth point selection module is used to set the axis deviation of the tunnel boring machine and obtain the fourth point that meets the axis deviation condition.

[0143] The first point selection module includes:

[0144] The table acquisition module is used to number all points of the segments in the current ring of the tunnel boring machine, and obtain a table of numbered point sequences for the segments in the current ring; wherein, the points include staggered joint points, small continuous joint points, and large continuous joint points; specifically: staggered joint points are those that can be assembled preferentially; small continuous joint points are those that should be selected when necessary; large continuous joint points are those that are strictly prohibited from being assembled.

[0145] The first point selection module is used to extract the point stagger selection principle and select points in the point sequence table according to the point stagger selection principle to form the first point.

[0146] Among them, such as Figure 6 As shown, the principle for selecting the staggered joints of the 19 points is: the position number of the first point + 2 + 3 + 3 + 3 + 3 + 3.

[0147] The second point selection module includes:

[0148] The bottom edge component acquisition module is used to obtain the value of the bottom edge component L corresponding to the segment through the lead measurement; wherein, the bottom edge component L is obtained by the following formula:

[0149]

[0150] Where L represents the bottom component; Q represents the lower lead, where the lead = wedge difference;

[0151] The angle value acquisition module is used to obtain the angle value of the segment's inclination angle α using the value of the bottom component L; wherein, the segment's inclination angle α is obtained by the following formula:

[0152]

[0153] Where α represents the oblique angle of the segment; D represents the vertical distance from the upper base to the lower base of the trapezoidal segment;

[0154] The variable acquisition module is used to calculate the increase or decrease in the shield tail gap using the angle value of the segment inclination α; wherein, the increase or decrease in the shield tail gap is obtained by the following formula:

[0155] h=sin(α)·L x

[0156] L x =1780+Q

[0157] Where h represents the increase or decrease in the shield tail clearance, according to L x Calculation of the lower side length of the pipe fitting; L x Indicates the lower length of the pipe fitting; Q indicates the lower advance amount.

[0158] The second point selection module is used to obtain a second point that satisfies the shield tail gap condition based on the increase or decrease of the shield tail gap and the shield tail gap condition.

[0159] The shield tail gap condition is: shield tail gap ≥ 5mm.

[0160] The fourth point selection module includes:

[0161] The slope calculation module is used to calculate the slope values ​​of the tunnel boring machine and the tunnel segments; wherein the slope values ​​of the tunnel boring machine and the tunnel segments are obtained by the following formula:

[0162] The slope value F1 of the tunnel boring machine is equal to (tail end deviation - mid-end deviation) / distance between the laser target and the tail of the shield.

[0163] The slope of the tunnel segment is F2 = tanα;

[0164] Where α represents the angle of inclination of the tunnel segment;

[0165] The deviation calculation module is used to obtain the axis deviation using the slope values ​​of the tunnel boring machine and the tunnel lining segments. The axis deviation is the axis value, and it is obtained using the following formula:

[0166] F = F1 + F2

[0167] Where F represents the axis deviation; F1 represents the slope value of the tunnel boring machine; and F2 represents the slope value of the tunnel segment.

[0168] The fourth point selection module is used to obtain a fourth point that meets the same axis deviation condition by utilizing the axis deviation of the tunnel boring machine and the axis deviation condition; wherein, the axis deviation condition is: the axis deviation is not greater than 0.0027, that is, the upper limit value of the axis deviation is 0.0027, and the upper limit value of the axis deviation is the maximum allowable deviation value.

[0169] The above technical solution has the following effects: The shield tunneling machine segment distribution system proposed in this embodiment has the following effects:

[0170] Labor cost savings:

[0171] Currently, one technician is responsible for one piece of equipment at the construction site.

[0172] After use—one technician at the construction site is responsible for the three pieces of equipment.

[0173] Low technical requirements:

[0174] Currently, the varying levels of expertise among on-site construction personnel frequently lead to miscalculations that cause the shield tail to collide.

[0175] After use—the technical staff at the construction site do not need to be highly specialized, and comparing the results of manual calculations with those of the plug-in is also a learning process.

[0176] Save time:

[0177] Currently, site selection is still done by on-site technicians who choose the sites, fill out paper reports, and send them to the tunnel boring machine operator, which wastes a lot of time.

[0178] After use—by connecting the tunnel boring machine (TBM) with the platform, the TBM can directly see the confirmation information of the technicians on the final selection of the plug-in, avoiding the time wastage caused by the transmission of paper documents.

[0179] Obviously, those skilled in the art can make various modifications and variations to this invention without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this invention and their equivalents, this invention also intends to include these modifications and variations.

Claims

1. A method for distributing and arranging tunnel lining segments in a tunnel boring machine, characterized in that, The method for distributing and setting up tunnel lining segments includes: Capture real-time data automatically measured by the tunnel boring machine, wherein the real-time data is the real-time data of the assembly points of the previous ring of the tunnel boring machine; By selecting multiple points based on staggered joint conditions, shield tail gap, stroke difference, and axis deviation, the assembly points for the tunnel boring machine to operate in the current ring are obtained. The tunnel segments of the tunnel boring machine are assembled according to the assembly points of the current ring operation; By selecting points multiple times based on staggered joint conditions, shield tail gap, stroke difference, and axis deviation, the assembly points for the current ring operation of the tunnel boring machine are obtained, including: The first point is selected based on the staggered joint conditions of the tunnel boring machine to obtain the first point location; Read the shield tail gap of the tunnel boring machine, and combine it with the shield tail gap condition to obtain the second point that meets the shield tail gap condition; Read the travel difference of the tunnel boring machine and combine it with the travel difference conditions to obtain the third point that satisfies the travel difference condition; The axis deviation of the tunnel boring machine is set, and the fourth point that satisfies the resultant axis deviation condition is obtained in combination with the axis deviation condition; The first point selection is carried out based on the staggered joint conditions of the tunnel boring machine to obtain the first point location, including: Number all points of the segments in the current ring of the tunnel boring machine to obtain a numbered point sequence table of the segments in the current ring; wherein, the points include staggered joint points, small continuous joint points, and large continuous joint points; Extract the selection principle of staggered points, and select the points in the point sequence table according to the selected principle to form the first point; Read the shield tail clearance of the tunnel boring machine, and combine it with the shield tail clearance conditions to obtain the second point that satisfies the shield tail clearance conditions, including: Obtain the bottom edge component of the tunnel segment by advance measurement. L The value of ; where the bottom component L is obtained by the following formula: in, L Indicates the bottom component; Q This indicates the lower side lead amount, where the lead amount = wedge difference; Using the bottom edge component L The numerical value of the pipe segment bevel angle is obtained. α Angle values; where the segment angle is... α Obtain it using the following formula: in, α Indicates the angle of the tunnel segment; D This indicates the vertical distance between the upper and lower bases of the trapezoidal tube segment; Utilizing the angle of the tube segments α The angle value is used to calculate the increase or decrease in the shield tail gap; wherein, the increase or decrease in the shield tail gap is obtained by the following formula: in, h Indicates the increase or decrease in the shield tail clearance, based on L x Calculation of the lower side length of the pipe fitting; L x Indicates the length of the lower side of the pipe fitting; Q Indicates the amount of advance on the lower side; Based on the increase or decrease in the shield tail gap and the shield tail gap condition, obtain the second point that satisfies the shield tail gap condition; The shield tail gap condition is: shield tail gap ≥ 5mm.

2. The method for distributing and setting tunnel lining segments according to claim 1, characterized in that, The axis deviation of the tunnel boring machine is set, and the fourth point that satisfies the resultant axis deviation condition is obtained in combination with the axis deviation condition, including: Calculate the slope values ​​of the tunnel boring machine and the tunnel segments; wherein the slope values ​​of the tunnel boring machine and the tunnel segments are obtained by the following formula: The slope value of the tunnel boring machine F 1 = (Tail-end deviation - Mid-end deviation) / Distance between the tunnel boring machine's laser target and the shield tail; Slope value of the tunnel segment F 2 = tanα; in, α Indicates the angle of the tunnel segment; The axis deviation is obtained using the slope values ​​of the tunnel boring machine and the tunnel lining segments. The axis deviation is the axis value, and it is obtained using the following formula: in, F This indicates the axis deviation, and the upper limit value of the axis deviation is 0.0027, which is the maximum allowable deviation value; F 1 represents the slope value of the tunnel boring machine; F 2 represents the slope value of the tunnel segment; The fourth point that satisfies the combined axis deviation condition is obtained by using the axis deviation of the tunnel boring machine and the axis deviation condition; wherein, the axis deviation condition is: the axis deviation is not greater than 0.0027.

3. A tunnel boring machine segment distribution system, characterized in that, The tunnel boring machine segment distribution system includes: The capture module is used to capture real-time data automatically measured by the tunnel boring machine, wherein the real-time data is the real-time data of the assembly points of the previous ring of the tunnel boring machine. The point selection module is used to select points multiple times based on staggered joint conditions, shield tail gap, stroke difference and axis deviation to obtain the assembly points for the tunnel boring machine to run the current ring. The assembly module is used to assemble the tunnel segments of the tunnel boring machine according to the assembly points of the current ring operation; The location selection module includes: The first point selection module is used to select the first point based on the staggered joint conditions of the tunnel boring machine and obtain the first point location. The second point selection module is used to read the shield tail gap of the tunnel boring machine and obtain the second point that meets the shield tail gap condition in combination with the shield tail gap condition; The third point selection module is used to read the travel difference of the tunnel boring machine and obtain the third point that meets the travel difference condition in combination with the travel difference condition. The fourth point selection module is used to set the axis deviation of the tunnel boring machine and obtain the fourth point that meets the condition of the combined axis deviation. The first point selection module includes: The table acquisition module is used to number all points of the segments of the current ring of the tunnel boring machine and obtain a table of numbered point sequences of the segments of the current ring; wherein, the points include staggered joint points, small continuous joint points and large continuous joint points; The first point selection module is used to extract the point stagger selection principle, and select the points in the point sequence table according to the point stagger selection principle to form the first point; The second point selection module includes: The bottom edge component acquisition module is used to obtain the bottom edge component corresponding to the segment through advance measurement. L The value of ; where the bottom component L is obtained by the following formula: in, L Indicates the bottom component; Q This indicates the lower side lead amount, where the lead amount = wedge difference; Angle value acquisition module, used to utilize the bottom edge component L The numerical value of the pipe segment bevel angle is obtained. α Angle values; where the segment angle is... α Obtain it using the following formula: in, α Indicates the angle of the tunnel segment; D This indicates the vertical distance between the upper and lower bases of the trapezoidal tube segment; The variable acquisition module is used to utilize the oblique angle of the tube segment. α The angle value is used to calculate the increase or decrease in the shield tail gap; wherein, the increase or decrease in the shield tail gap is obtained by the following formula: in, h Indicates the increase or decrease in the shield tail clearance, based on L x Calculation of the lower side length of the pipe fitting; L x Indicates the length of the lower side of the pipe fitting; Q Indicates the amount of advance on the lower side; The second point selection module is used to obtain a second point that satisfies the shield tail gap condition based on the increase or decrease of the shield tail gap and the shield tail gap condition. The shield tail gap condition is: shield tail gap ≥ 5mm.

4. The tunnel segment distribution system according to claim 3, characterized in that, The fourth point selection module includes: The slope calculation module is used to calculate the slope values ​​of the tunnel boring machine and the tunnel segments; wherein the slope values ​​of the tunnel boring machine and the tunnel segments are obtained by the following formula: The slope value of the tunnel boring machine F 1 = (Tail-end deviation - Mid-end deviation) / Distance between the tunnel boring machine's laser target and the shield tail; Slope value of the tunnel segment F 2= tanα ; in, α Indicates the angle of the tunnel segment; The deviation calculation module is used to obtain the axis deviation using the slope values ​​of the tunnel boring machine and the tunnel lining segments. The axis deviation is the axis value, and it is obtained using the following formula: in, F Indicates axis deviation; F 1 represents the slope value of the tunnel boring machine; F 2 represents the slope value of the tunnel segment; The fourth point selection module is used to obtain a fourth point that meets the same axis deviation condition by utilizing the axis deviation of the tunnel boring machine and the axis deviation condition; wherein, the axis deviation condition is: the axis deviation is not greater than 0.0027.

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