CN114483057B - Stepped construction method for inclined roadway heading machine - Google Patents
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Abstract
The invention relates to a stepped construction method of an inclined roadway tunneling machine, which comprises the following steps of S1, determining a required final tunneling direction and a required tunneling distance; s2, selecting a first tunneling direction and a tunneling distance; s3, performing primary tunneling on a roadway to be developed and extended according to a preset tunneling direction and a preset tunneling distance; s4, correcting the distance and the correction angle of each circulation tunneling according to the tunneling effect of the step S3; step S5, periodically tunneling a roadway according to the tunneling data corrected in the step S4; and S6, after each period of tunneling is finished, adjusting the next period of tunneling until the target tunneling requirement is met. The method has the advantages that the stepped construction technology of the inclined roadway tunneling machine is adopted, the construction method is changed, the construction progress is accelerated, the engineering quality is improved, after each circulation tunneling is finished, the next circulation tunneling state is adjusted according to the actual tunneling angle, and the process quality is further improved.
Description
Technical Field
The invention relates to the field of roadway excavation, in particular to a stepped construction method for an inclined roadway heading machine.
Background
Mine roadways such as coal mines and the like need to be excavated to meet the requirements of mining construction by adopting an excavation mode; during the development and the extension of the roadway, the main blind inclined shaft and the return air blind inclined shaft are both rock roadways, and the design adopts a straight wall arch section and anchor net (cable) spraying support.
The prior patent CN 103883329A discloses a mine hard rock roadway tunneling construction method, which includes cutting an outer contour of a roadway by a cutting device, performing horizontal and vertical cutting in the outer contour of the roadway to obtain parallel horizontal and vertical cutting grooves, crossing the horizontal and vertical cutting grooves, and cutting a roadway section inside the outer contour cutting groove into a criss-cross grid structure; crushing or breaking a first stone material in a latticed structure of the section of the roadway by using a crushing device, and then crushing or breaking other stone materials and taking out until all stone materials in the cutting depth are taken out; the cut stone is carried by a manual or mechanical conveying device.
The construction is carried out by adopting a common tunneling machine according to a conventional mode, although the tunneling machine is generally suitable for tunneling up-hill and down-hill tunnels below +/-18 degrees, as the main blind inclined shaft and the return air blind inclined shaft are tunneled in a down-hill mode, the wall surrounding rocks of the tunnel have water seepage phenomena, the bottom plate is wet and slippery, the tunneling machine is sunk in accumulated water sludge and is difficult to advance or retreat, and great difficulty is caused to the construction.
Disclosure of Invention
Therefore, the invention provides a stepped construction method for an inclined roadway heading machine, which is used for solving the problem that heading construction is difficult due to the fact that a heading machine in the prior art is sunk in accumulated water and sludge and is difficult to advance or retreat.
In order to achieve the above object, the present invention provides a stepped construction method for an inclined roadway heading machine, comprising,
step S1, determining a required final tunneling direction and a required tunneling distance;
s2, selecting a first tunneling direction and a tunneling distance, and selecting a distance between the first tunneling direction and the tunneling distance and a distance between the first tunneling direction and each circulating tunneling and a distance between the first tunneling direction and a bottom bed;
s3, performing primary tunneling on a roadway to be developed and extended according to a preset tunneling direction and a preset tunneling distance;
s4, correcting the distance and the correction angle of each circulation tunneling according to the tunneling effect of the step S3;
step S5, periodically tunneling a roadway according to the tunneling data corrected in the step S4;
s6, in the process of periodic tunneling, acquiring tunneling data every time one period of tunneling is finished, and adjusting the next periodic tunneling until the target tunneling requirement is met;
and a central control computing device is arranged in the tunneling process and used for assisting in adjusting data in the tunneling process.
Further, in the step S1, a tunneling gradient P and a tunneling distance Lz are determined;
in the step S2, a theoretical first tunneling distance L1z is calculated according to the tunneling distance and the tunneling gradient, L1z = Lz ÷ k1, wherein k1 is a calculation parameter of the first tunneling distance, a first tunneling maximum distance value L1m is arranged in the central control calculation device, the theoretical first tunneling distance L1z is compared with the first tunneling maximum distance value L1m by the central control calculation device,
when the L1z is larger than or equal to the L1m, the central control computing device selects the numerical value of the L1m as the numerical value of the first tunneling distance L1;
and when the L1z is smaller than the L1m, the central control computing device selects the numerical value of the L1z as the numerical value of the first tunneling distance L1.
Further, in the step S2, a standard tunneling gradient Pb is provided in the central control computing device, the central control computing device compares the tunneling gradient P with the standard tunneling gradient Pb,
when P is larger than or equal to Pb, the central control computing device selects Pb as the numerical value of the first tunneling angle P1;
and when P is less than Pb, the central control computing device selects P as the numerical value of the first tunneling angle P1.
Further, the central control computing device computes the theoretical circulating tunneling distance and the bedding distance,
for the theoretical cyclic tunneling distance XL, XL = Lz multiplied by k2, wherein k2 is a compensation parameter calculated by the cyclic tunneling distance;
the central control computing device is internally provided with a maximum tunneling distance Xp, compares the theoretical cyclic tunneling distance XL with the maximum tunneling distance Xp,
when XL is larger than or equal to Xp, the central control computing device selects Xp as a preset circulating tunneling distance Xq;
when XL is smaller than Xp, the central control computing device selects XL as a preset circulating tunneling distance Xq;
and a standard sole distance Wb is also arranged in the central control computing device.
Further, in the step S3, excavating for the first time the distance of tunneling L1 at the tunneling angle P1, and after the first tunneling is completed, the heading machine exits the tunneling roadway;
in the step S4, detecting an actual driving angle P1w of the roadway after the first driving, wherein the central control computing device computes a difference Δ P between the actual driving angle P1w and the driving angle P1, Δ P = P1w-P1, an angle deviation evaluation value Pq is arranged in the central control computing device, and the central control computing device compares the Δ P with the angle deviation evaluation value Pq;
when the delta P is less than or equal to the Pq, the central control computing device judges that the tunneling angle deviation is in a reasonable range in the tunneling process, and determines the primary tunneling angle P1 as a circulating tunneling angle P2;
and when the delta P is larger than the Pq, the central control computing device judges that the deviation of the tunneling angle is overlarge in the tunneling process, and the central control computing device computes the numerical value of the circular tunneling angle P2 according to the deviation.
Further, the central control computing device calculates a cyclic tunneling angle P2, P2= P1- (. DELTA.P-Pq). Times.a, wherein a is a compensation parameter calculated by the cyclic tunneling angle.
Further, in step S5, performing a bedding operation on the roadway which is tunneled for the first time by using the standard bedding distance Wb, wherein in the bedding process, the slope angle of the bedding is the tunneling gradient P;
and after the bottom lying operation is finished, circularly tunneling the roadway by the tunneling machine at a circulating tunneling angle P2, wherein the tunneling distance is Xq, and after each circulating tunneling is finished, the tunneling machine quits from tunneling the roadway.
Further, after each circulation tunneling is finished, the actual tunneling angle Pw of the roadway after the circulation is finished is detected,
the central control computing device computes an absolute value delta P 'and a absolute value delta P' = Pw-P1 | of a difference value between an actual tunneling angle Pw and a tunneling angle P1, and the central control computing device compares the delta P with an angle deviation evaluation value Pq;
when the delta P' is less than or equal to the Pq, the central control computing device judges that the deviation of the tunneling angle is in a reasonable range in the tunneling process, and the central control computing device does not adjust the circular tunneling angle P2;
when the delta P' is greater than the Pq, the central control computing device judges that the deviation of the tunneling angle is overlarge in the tunneling process, and adjusts the circular tunneling angle P2 according to the deviation.
Further, when the central control computing device adjusts the circular tunneling angle P2 according to the deviation, the central control computing device adjusts the circular tunneling angle P2 to be P2',
when Pw > P1, P2' = P2- (. DELTA.P-Pq). Times.a;
when Pw < P1, P2' = P2+ (Δp-Pq) × a.
Further, the central control computing device calculates the number of times n of completing the circular tunneling and calculates the tunneling completing distance Lc, lc = L1+ n × Xq, when the next circular tunneling is performed, the central control computing device calculates the difference value delta L between the tunneling distance Lz and Lc, delta L = Lz-Lc, the central control computing device compares the delta L with the distance Xq of the circular tunneling,
when delta L is larger than Xq, the distance of the (n + 1) th cycle tunneling is not adjusted;
and when the delta L is less than or equal to Xq, adjusting the tunneling distance of the n +1 th circulating tunneling to be delta L, and performing bottom expanding after the circulating tunneling is completed.
Compared with the prior art, the invention has the advantages that the stepped construction technology of the inclined shaft heading machine is adopted, the construction method is changed, the construction progress is accelerated, the engineering quality is improved, the construction safety is ensured, and meanwhile, after each circulation heading is finished, the state of the next circulation heading is adjusted according to the actual heading angle, so that the heading direction deviation caused by ground sinking in the heading process is prevented, and the process quality is further improved.
Further, in the step S2, a theoretical first tunneling distance L1z is calculated according to the tunneling distance and the tunneling gradient, L1z = Lz ÷ k1, where k1 is a calculation parameter of the first tunneling distance, a first tunneling maximum distance value L1m is provided in the central control calculation device, the central control calculation device compares the theoretical first tunneling distance L1z with the first tunneling maximum distance value L1m, and determines the first tunneling distance according to the target tunneling distance, which is helpful for adjusting the process of the cyclic tunneling in the later period during the cyclic tunneling.
Further, in the step S2, a standard tunneling gradient Pb is provided in the central control computing device, the central control computing device compares the tunneling gradient P with the standard tunneling gradient Pb, and the standard tunneling gradient Pb is set to prevent the tunneling gradient from being too large and prevent the tunneling machine from being withdrawn due to wet slip on the ground.
Furthermore, a maximum tunneling distance value Xp is arranged in the central control computing device, the central control computing device compares the theoretical cyclic tunneling distance XL with the maximum tunneling distance value Xp, the cyclic tunneling distance is determined according to the target tunneling distance, and when the target tunneling distance is too long, the computed cyclic tunneling distance is too large, so that the tunneling machine is in danger of sinking into sludge, the maximum cyclic tunneling distance value is set, and the construction engineering quality is guaranteed.
Further, in the step S4, an actual tunneling angle P1w of the roadway after the first tunneling is detected, the central control computing device computes a difference value Δ P between the actual tunneling angle P1w and the tunneling angle P1, Δ P = P1w-P1, an angle deviation evaluation value Pq is arranged in the central control computing device, the central control computing device compares the Δ P with the angle deviation evaluation value Pq, when the actual tunneling is performed, due to the gravity of the tunneling machine, the roadway ground after the tunneling has a sinking probability, after the first tunneling is completed, the difference value between the tunneling angle and a preset angle is detected, so that the error that the roadway ground sinks to cause deviation from a tunneling target is prevented, and meanwhile, the ground sinks to easily cause the tunneling machine to sink into sludge, so that when a large tunneling angle deviation occurs, the next tunneling angle of the tunneling machine is adjusted, the engineering quality is guaranteed, and the sinking risk of the tunneling machine is reduced.
Further, after each circulation tunneling is finished, detecting an actual tunneling angle Pw of the roadway after each circulation tunneling, calculating an absolute value Δ P 'of a difference value between the actual tunneling angle Pw and the tunneling angle P1 and Δ P' = Pw-P1 by the central control calculation device, comparing the Δ P with an angular deviation evaluation value Pq by the central control calculation device, when the Δ P 'is greater than the Pq, judging that the tunneling angle deviation is overlarge in the tunneling process by the central control calculation device, adjusting a circulation tunneling angle P2 to be P2 by the central control calculation device, and when the Pw is greater than the P1, adjusting the cyclic tunneling angle P2' = P2- (-P-Pq) x a by the central control calculation device; when Pw < P1, P2' = P2+ (. DELTA.p-Pq). Times.a. For delta P' is more than Pq and Pw is more than P1, when actual tunneling is carried out, due to the gravity of the tunneling machine, the tunneling roadway ground has sinking probability, after the first-time circular tunneling is completed, the difference value of the tunneling angle and the preset angle is detected, the error that the tunneling target deviates due to the fact that the roadway ground sinks is prevented, and meanwhile, the tunneling machine sinks into sludge due to the fact that the ground sinks easily; for the situation that the delta P' is more than Pq and Pw is less than P1, after the heading machine passes a section which is easy to sink, the corrected circular heading angle is not suitable for continuous use, and if the corrected circular heading angle is used continuously, the risk of deviating from the heading direction exists, so that the next heading is adjusted according to the heading angle after the circular heading is finished every time, the engineering quality is guaranteed, and the sinking risk of the heading machine is reduced.
Further, the central control computing device computes the number n of times of completing the circular tunneling, computes the tunneling distance Lc, lc = L1+ n × Xq, and when the next circular tunneling is performed, the central control computing device computes the difference value delta L between the tunneling distance Lz and Lc, and delta L = Lz-Lc, compares the delta L with the distance Xq of the circular tunneling, records the tunneling frequency after each time of completing the circular tunneling, and judges the target distance of the next tunneling, so that the excessive tunneling is prevented, and the engineering quality is guaranteed.
Drawings
Fig. 1 is a flowchart of a stepped construction method for an inclined roadway heading machine according to this embodiment;
fig. 2 is a simple construction drawing for performing construction by using the stepped construction method for the inclined roadway heading machine.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 and fig. 2, fig. 1 is a flowchart illustrating a stepped construction method of an inclined roadway heading machine according to the present embodiment; fig. 2 is a simple construction drawing for performing construction by using the stepped construction method for the inclined roadway heading machine. In fig. 2, 00 is a roadway construction position after the first tunneling, 1 is a roadway construction position after the first circular tunneling, 2 is a roadway construction position after the second circular tunneling, and n is a roadway construction position after the nth circular tunneling.
The invention provides a stepped construction method of an inclined roadway heading machine, which comprises the following steps,
step S1, determining a required final tunneling direction and a required tunneling distance;
s2, selecting a first tunneling direction and a tunneling distance, and selecting a distance between the first tunneling direction and the tunneling distance and a distance between the first tunneling direction and each circulating tunneling and a distance between the first tunneling direction and a bottom bed;
s3, performing primary tunneling on a roadway to be developed and extended according to a preset tunneling direction and a preset tunneling distance;
s4, correcting the distance and the correction angle of each circulation tunneling according to the tunneling effect of the step S3;
s5, periodically tunneling the roadway according to the tunneling data corrected in the step S4;
s6, in the process of periodic tunneling, acquiring tunneling data every time one period of tunneling is finished, and adjusting the next periodic tunneling until the target tunneling requirement is met;
and a central control computing device is arranged in the tunneling process and used for assisting in adjusting data in the tunneling process.
The stepped construction technology of the inclined roadway tunneling machine is adopted, the construction method is changed, the construction progress is accelerated, the engineering quality is improved, the construction safety is guaranteed, meanwhile, after each time of circular tunneling is finished, the state of next circular tunneling is adjusted according to the actual tunneling angle, the tunneling direction is prevented from deviating due to the fact that the ground sinks in the tunneling process, and the process quality is further improved.
Specifically, in the step S1, a tunneling gradient P and a tunneling distance Lz are determined;
in the step S2, a theoretical first tunneling distance L1z is calculated according to the tunneling distance and the tunneling gradient, L1z = Lz ÷ k1, wherein k1 is a calculation parameter of the first tunneling distance, a first tunneling maximum distance value L1m is arranged in the central control calculation device, the theoretical first tunneling distance L1z is compared with the first tunneling maximum distance value L1m by the central control calculation device,
when the L1z is larger than or equal to the L1m, the central control computing device selects the numerical value of the L1m as the numerical value of the first tunneling distance L1;
and when the L1z is smaller than the L1m, the central control computing device selects the numerical value of the L1z as the numerical value of the first tunneling distance L1.
The first tunneling distance is determined according to the target tunneling distance, so that the adjustment of the cyclic tunneling process in the later period is facilitated, however, when the target tunneling distance is too long, the calculated first tunneling distance is too large, at this time, the risk of sinking the tunneling machine into sludge exists, and the first tunneling maximum distance value is set, so that the construction engineering quality is guaranteed.
Specifically, in the step S2, a standard tunneling gradient Pb is provided in the central control computing device, the central control computing device compares the tunneling gradient P with the standard tunneling gradient Pb,
when P is larger than or equal to Pb, the central control computing device selects Pb as the numerical value of the first tunneling angle P1; and when P is less than Pb, the central control computing device selects P as the numerical value of the first tunneling angle P1.
And a standard tunneling gradient Pb is set to prevent the tunneling machine from being incapable of withdrawing due to overlarge tunneling gradient and wet and slippery ground.
Further, the central control computing device computes the theoretical circulating tunneling distance and the bedding distance,
for the theoretical cyclic tunneling distance XL, XL = Lz multiplied by k2, wherein k2 is a compensation parameter calculated by the cyclic tunneling distance;
the central control computing device is internally provided with a maximum tunneling distance Xp, compares the theoretical cyclic tunneling distance XL with the maximum tunneling distance Xp,
when XL is larger than or equal to Xp, the central control computing device selects Xp as a preset circulating tunneling distance Xq;
when XL is smaller than Xp, the central control computing device selects XL as a preset circulating tunneling distance Xq;
and a standard sole distance Wb is also arranged in the central control computing device.
And determining the circulating tunneling distance according to the target tunneling distance, wherein when the target tunneling distance is too long, the calculated circulating tunneling distance is too large, and the tunneling machine is in danger of sinking into sludge at the moment, so that the circulating tunneling maximum distance value is set, and the construction engineering quality is guaranteed.
Specifically, in the step S3, the distance of L1 tunneling at the tunneling angle P1 is excavated for the first time, and after the first tunneling is completed, the tunneling machine exits the tunneling roadway;
in the step S4, detecting an actual driving angle P1w of the roadway after the first driving, wherein the central control computing device computes a difference Δ P between the actual driving angle P1w and the driving angle P1, Δ P = P1w-P1, an angle deviation evaluation value Pq is arranged in the central control computing device, and the central control computing device compares the Δ P with the angle deviation evaluation value Pq;
when the delta P is less than or equal to the Pq, the central control computing device judges that the tunneling angle deviation is in a reasonable range in the tunneling process, and determines the primary tunneling angle P1 as a circulating tunneling angle P2;
and when the delta P is larger than the Pq, the central control computing device judges that the deviation of the tunneling angle is overlarge in the tunneling process, and the central control computing device computes the numerical value of the circular tunneling angle P2 according to the deviation.
When actual tunneling is carried out, due to the fact that the tunneling machine is under the gravity, the tunneling roadway ground has sinking probability, after the first tunneling is completed, the difference value between the tunneling angle and the preset angle is detected, the error that the tunneling target deviates due to the fact that the roadway ground sinks is prevented, meanwhile, the tunneling machine sinks into the sludge easily due to the fact that the ground sinks, when the crossing tunneling angle deviation occurs, the next tunneling angle of the tunneling machine is adjusted, engineering quality is guaranteed, and the sinking risk of the tunneling machine is reduced.
Specifically, the central control computing device calculates a cyclic tunneling angle P2, P2= P1- (. DELTA.P-Pq). Times.a, wherein a is a compensation parameter calculated by the cyclic tunneling angle.
Specifically, in step S5, performing a bedding operation on the roadway which is tunneled for the first time by using the standard bedding distance Wb, wherein in the bedding process, the slope angle of the bedding is the tunneling gradient P;
and after the bottom lying operation is finished, circularly tunneling the roadway by the tunneling machine at a circulating tunneling angle P2, wherein the tunneling distance is Xq, and after each circulating tunneling is finished, the tunneling machine quits from tunneling the roadway.
Specifically, after each circulation of excavation is completed, the actual excavation angle Pw of the roadway after the circulation is completed is detected,
the central control computing device computes an absolute value delta P 'and a absolute value delta P' = Pw-P1 | of a difference value between an actual tunneling angle Pw and a tunneling angle P1, and the central control computing device compares the delta P with an angle deviation evaluation value Pq;
when the delta P' is less than or equal to the Pq, the central control computing device judges that the deviation of the tunneling angle is in a reasonable range in the tunneling process, and the central control computing device does not adjust the circular tunneling angle P2;
when the delta P' is greater than the Pq, the central control computing device judges that the deviation of the tunneling angle is overlarge in the tunneling process, and adjusts the circular tunneling angle P2 according to the deviation.
Specifically, when the central control computing device adjusts the cyclic excavation angle P2 according to the deviation, the central control computing device adjusts the cyclic excavation angle P2 to be P2',
when Pw > P1, P2' = P2- (. DELTA.P-Pq). Times.a;
when Pw < P1, P2' = P2+ (Δp-Pq) × a.
For delta P' > Pq and Pw > P1, when actual tunneling is carried out, due to the gravity of the tunneling machine, the tunneling well ground has sinking probability, after the first circular tunneling is completed, the difference value between the tunneling angle and the preset angle is detected, the error that the tunneling well ground sinks to cause deviation from a tunneling target is prevented, and meanwhile, the tunneling machine sinks to sludge easily due to ground sinking; for the situation that delta P' is greater than Pq and Pw is less than P1, after the heading machine passes a section which is easy to sink, the corrected circular heading angle is not suitable for continuous use, and if the corrected circular heading angle is deviated from the heading direction, the next heading is adjusted according to the heading angle after each time of circular heading, so that the engineering quality is guaranteed, and the sinking risk of the heading machine is reduced.
Specifically, the central control computing device calculates the number n of times of completing the circular excavation and calculates the distance Lc of completing the excavation, lc = L1+ n × Xq, when the next circular excavation is performed, the central control computing device calculates the difference delta L and delta L = Lz-Lc between the excavation distance Lz and Lc, the central control computing device compares the delta L with the distance Xq of the circular excavation,
when the delta L is larger than Xq, the distance of the (n + 1) th circular tunneling is not adjusted;
and when the delta L is less than or equal to Xq, adjusting the tunneling distance of the n +1 th circulating tunneling to be delta L, and performing bottom expanding after the circulating tunneling is completed.
After the circular tunneling is completed each time, the tunneling times are recorded, the target distance of the next tunneling is judged, excessive tunneling is prevented, and the engineering quality is guaranteed.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A stepped construction method for an inclined roadway heading machine is characterized by comprising the following steps of,
step S1, determining a required final tunneling direction and a required tunneling distance;
s2, selecting a first tunneling direction and a tunneling distance, and selecting a distance between the first tunneling direction and the tunneling distance and a distance between the first tunneling direction and each circulating tunneling and a distance between the first tunneling direction and a bottom bed;
s3, performing primary tunneling on a roadway to be developed and extended according to a preset tunneling direction and a preset tunneling distance;
s4, correcting the distance and the correction angle of each circulation tunneling according to the tunneling effect of the step S3;
s5, periodically tunneling the roadway according to the tunneling data corrected in the step S4;
s6, in the process of periodic tunneling, acquiring tunneling data every time one period of tunneling is finished, and adjusting the next periodic tunneling until the target tunneling requirement is met;
a central control computing device is arranged in the tunneling process and used for assisting in adjusting data in the tunneling process;
in the step S1, determining a tunneling gradient P and a tunneling distance Lz;
in the step S2, a theoretical first tunneling distance L1z is calculated according to the tunneling distance and the tunneling gradient, L1z = Lz ÷ k1, where k1 is a calculation parameter of the first tunneling distance, a first tunneling maximum distance value L1m is provided in the central control calculation device, the theoretical first tunneling distance L1z is compared with the first tunneling maximum distance value L1m by the central control calculation device,
when the L1z is larger than or equal to the L1m, the central control computing device selects the numerical value of the L1m as the numerical value of the first tunneling distance L1;
when L1z is smaller than L1m, the central control computing device selects the numerical value of L1z as the numerical value of the first tunneling distance L1;
in the step S2, a standard tunneling gradient Pb is arranged in the central control computing device, the central control computing device compares the tunneling gradient P with the standard tunneling gradient Pb,
when P is larger than or equal to Pb, the central control computing device selects Pb as the numerical value of the first tunneling angle P1;
when P is smaller than Pb, the central control computing device selects P as a numerical value of a first tunneling angle P1;
the central control computing device calculates the theoretical circulating tunneling distance and the bedding distance,
for the theoretical cyclic tunneling distance XL, XL = Lz multiplied by k2, wherein k2 is a compensation parameter calculated by the cyclic tunneling distance;
the central control computing device is internally provided with a maximum tunneling distance Xp, compares the theoretical cyclic tunneling distance XL with the maximum tunneling distance Xp,
when XL is larger than or equal to Xp, the central control computing device selects Xp as a preset circulating tunneling distance Xq;
when XL is smaller than Xp, the central control computing device selects XL as a preset circulating tunneling distance Xq;
and a standard sole distance Wb is also arranged in the central control computing device.
2. The stepped construction method for the inclined roadway heading machine according to claim 1, wherein in step S3, a distance of L1 heading at a heading angle P1 is excavated for the first time, and after the first heading is completed, the heading machine exits the heading roadway;
in the step S4, detecting an actual driving angle P1w of the roadway after the first driving, wherein the central control computing device computes a difference Δ P between the actual driving angle P1w and the driving angle P1, Δ P = P1w-P1, an angle deviation evaluation value Pq is arranged in the central control computing device, and the central control computing device compares the Δ P with the angle deviation evaluation value Pq;
when the delta P is less than or equal to Pq, the central control computing device judges that the deviation of the tunneling angle is in a reasonable range in the tunneling process, and the central control computing device determines the initial tunneling angle P1 as a circulating tunneling angle P2;
and when the delta P is larger than the Pq, the central control computing device judges that the deviation of the tunneling angle is overlarge in the tunneling process, and the central control computing device computes the numerical value of the circular tunneling angle P2 according to the deviation.
3. The stepped construction method for the inclined roadway heading machine according to claim 2, wherein the central control computing device computes a cyclic heading angle P2, P2= P1- (. DELTA.P-Pq). Times.a, wherein a is a compensation parameter computed for the cyclic heading angle.
4. The stepped construction method for the inclined roadway heading machine according to claim 3, wherein in step S5, a bottom-lying operation is performed on the roadway which is firstly tunneled by a standard bottom-lying distance Wb, and in the bottom-lying process, the slope angle of the bottom-lying operation is a heading gradient P;
and after the bottom lying operation is finished, circularly tunneling the roadway by the tunneling machine at a circulating tunneling angle P2, wherein the tunneling distance is Xq, and after each circulating tunneling is finished, the tunneling machine quits from tunneling the roadway.
5. The stepped construction method for an inclined roadway heading machine according to claim 4, wherein after heading of each cycle is completed, an actual heading angle Pw of the roadway after the completion of the cycle is detected,
the central control computing device computes an absolute value delta P ' and a absolute value delta P ' = Pw-P1 | of a difference value between an actual tunneling angle Pw and a tunneling angle P1, and the central control computing device compares the delta P ' with an angle deviation evaluation value Pq;
when the delta P' is less than or equal to the Pq, the central control computing device judges that the deviation of the tunneling angle is in a reasonable range in the tunneling process, and the central control computing device does not adjust the circular tunneling angle P2;
when delta P' is greater than Pq, the central control computing device determines that the deviation of the tunneling angle is overlarge in the tunneling process, and the central control computing device adjusts the circular tunneling angle P2 according to the deviation.
6. The stepped construction method for the inclined roadway heading machine according to claim 5, wherein when the central control computing device adjusts the cyclic heading angle P2 according to the deviation, the central control computing device adjusts the cyclic heading angle P2 to be P2',
when Pw > P1, P2' = P2- (. DELTA.P-Pq). Times.a;
when Pw < P1, P2' = P2+ (. DELTA.p-Pq). Times.a.
7. The stepped construction method for the inclined roadway heading machine according to claim 6, wherein the central control computing device calculates the number of times n of completing the circular heading and calculates the distance Lc, lc = L1+ nxxq, the central control computing device calculates the difference Δ L between the heading distance Lz and Lc and Δ L = Lz-Lc when performing the next circular heading, the central control computing device compares Δ L with the distance Xq of the circular heading,
when the delta L is larger than Xq, the distance of the (n + 1) th circular tunneling is not adjusted;
and when the delta L is less than or equal to Xq, adjusting the tunneling distance of the n +1 th circulating tunneling to be delta L, and performing bottom expanding after the circulating tunneling is completed.
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