CN113309530A - Multi-mode heading machine soil pressure monitoring system and working method thereof - Google Patents
Multi-mode heading machine soil pressure monitoring system and working method thereof Download PDFInfo
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- CN113309530A CN113309530A CN202011611067.0A CN202011611067A CN113309530A CN 113309530 A CN113309530 A CN 113309530A CN 202011611067 A CN202011611067 A CN 202011611067A CN 113309530 A CN113309530 A CN 113309530A
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- mode
- partition plate
- pipeline
- bentonite
- pressure
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
Abstract
The invention provides a multi-mode earth pressure monitoring system of a heading machine and a working method thereof, and the multi-mode earth pressure monitoring system comprises a front partition plate and a rear partition plate, wherein at least one group of first control valves are arranged on the front partition plate, relay joints are arranged at the upper parts of the first control valves, pressure sensors are arranged at the upper parts of the relay joints, the relay joints are respectively communicated with a bentonite pipeline and a flushing water pipeline through a medium injection channel, a control valve group is arranged in the medium injection channel, the pressure sensors are connected with a controller through sensor connecting wires, the sensor connecting wires are arranged in a sensor connecting channel, and the controller is respectively connected with the control valve group and an upper computer; and the medium injection channel and the sensor wiring channel are both arranged on the rear partition plate. The water flushing pipeline and the bentonite pipeline are combined and injected into the sensor detection channel, so that the water flushing pipeline and the bentonite pipeline can be suitable for real-time monitoring of water and soil pressure of various heading machines, and the shutdown cost is reduced.
Description
Technical Field
The invention relates to the technical field of earth pressure monitoring of a heading machine, in particular to a multi-mode earth pressure monitoring system of the heading machine and a working method thereof.
Background
In the traditional heading machine, a fixed heading machine type is adopted, and when variable geological conditions are met, one type cannot adapt to the tunnel, so that the equipment safety and the tunnel construction period are greatly influenced. Aiming at the situation, more and more shield manufacturers develop multi-mode tunneling machines, an earth pressure shield in an earth pressure monitoring mode of the traditional tunneling machine adopts an earth pressure sensor, a slurry water shield adopts a slurry water sensor, and a hard rock shield (TBM) is not provided with the sensor, different sensors are required to be processed differently during each mode conversion, the process is complex, the shutdown cost is high, the production progress is influenced, and the procurement cost is increased due to spare parts of different sensors.
Disclosure of Invention
The invention provides a multi-mode heading machine soil pressure monitoring system and a working method thereof, aiming at the technical problem that different sensors are required to be subjected to different treatments to influence the production progress in each mode conversion of the existing multi-mode heading machine under different mode working conditions.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
a multi-mode earth pressure monitoring system of a heading machine comprises a front partition plate and a rear partition plate, wherein at least one group of first control valves are installed on the front partition plate, relay joints are installed on the upper portions of the first control valves, pressure sensors are installed on the upper portions of the relay joints, the relay joints are respectively communicated with a bentonite pipeline and a flushing water pipeline through medium injection channels, control valve groups are installed on the medium injection channels, the pressure sensors are connected with a controller through sensor connecting wires, the sensor connecting wires are installed in sensor connecting channels, and the controller is respectively connected with the control valve groups and an upper computer; and the medium injection channel and the sensor wiring channel are both arranged on the rear partition plate.
Preferably, a partition joint is installed on the rear partition, and the medium injection channel and the sensor wiring channel are respectively installed on the rear partition through the partition joint.
Preferably, the first control valve, the relay joint, the medium injection channel, the control valve group, the bentonite pipeline and the flushing water pipeline integrally form a single-path tunneling machine multi-mode injection pipeline, the pressure sensor, the sensor wiring channel, the controller and the upper computer integrally form a tunneling machine soil pressure monitoring unit, and the tunneling machine soil pressure monitoring unit and the single-path tunneling machine multi-mode injection pipeline integrally form a single-path multi-mode tunneling machine soil pressure monitoring system.
Preferably, the control valve group comprises an on-off valve and a check valve; the medium injection channel comprises a medium injection main pipe and medium injection branch pipes, the medium injection main pipe is respectively communicated with the bentonite pipeline and the washing water pipeline through two groups of medium injection branch pipes which are arranged in parallel, the switch valve and the check valve are installed on the medium injection branch pipes, and the medium injection main pipe is installed on the rear partition plate through a partition plate joint.
Preferably, the number of the first control valves is two, and the relay joints on the two groups of the first control valves are respectively communicated with the bentonite pipeline and the washing water pipeline through medium injection channels which are arranged in parallel.
A working method of a multi-mode heading machine soil pressure monitoring system comprises the following steps:
s1, a first control valve is installed on a front partition plate, a relay joint is installed between the first control valve and a pressure sensor, the pressure sensor is used for monitoring the soil pressure of the heading machine in a soil pressure real-time monitoring mode, a sensor connecting line is connected to a controller through a sensor wiring channel and a partition plate joint of a rear partition plate, and washing water or bentonite is injected into the end part of the pressure sensor through a medium injection channel and is injected into an excavation bin through the first control valve and the front partition plate;
s2, earth pressure mode: the controller controls a switch valve connected with a bentonite pipeline to be opened at regular time, bentonite is conveyed into a relay joint and then conveyed into the excavation bin through a first control valve by pumping of a bentonite pump, and residue soil in the excavation bin is isolated outside the front partition plate by the regular injection of the bentonite; during the pumping process of the bentonite, the pressure sensor is utilized to monitor the soil pressure monitoring of the heading machine in a soil pressure mode in real time, and the fluctuation of the pressure does not influence the measurement when the bentonite is injected
S3, mud-water mode: the controller controls a switch valve connected with a flushing water pipeline to be opened at fixed time, flushing water enters a relay joint and is pumped into the excavation bin through a first control valve through the injection of the flushing water, and slurry in the excavation bin is isolated outside the front partition plate; during the pumping process of the flushing water, the pressure sensor 20 is used for monitoring the soil pressure monitoring of the heading machine in a soil pressure mode in real time, and the fluctuation of the pressure during the injection of the flushing water does not influence the measurement;
s4, according to the steps S2 and S3, when the soil pressure mode and the muddy water mode are converted, no additional operation is needed, and the switching of the soil pressure mode or the muddy water mode is realized by controlling the switching valve correspondingly communicated with the flushing water pipeline or the bentonite pipeline to be switched and opened through the controller;
s5, according to the step S4, when the soil pressure mode/muddy water mode is switched to the TBM mode, pressure detection is not needed in the TBM mode, a worker enters the cabin body between the front partition plate and the rear partition plate, the first control valve is manually closed or is controlled to be closed through control, and the upper computer does not perform pressure collection any more.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the flushing water pipeline is combined with the bentonite pipeline and is injected into the sensor detection channel consisting of the first control valve and the relay joint through the medium injection channel, the pressure sensor arranged on the upper part of the relay joint is used for monitoring the pressure of the injected medium in the sensor detection channel in real time, and further, the flushing water pipeline or the bentonite pipeline can be monitored in real time by only switching the flushing water pipeline or the bentonite pipeline under different modes, and the pressure sensor can be used for realizing the real-time monitoring of water and soil pressure, is suitable for the soil pressure monitoring of various heading machine models, reduces the shutdown cost and is beneficial to improving the production progress.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention in embodiment 1.
Fig. 2 is a schematic structural diagram of the present invention in embodiment 2.
In the figure, 1 is a front diaphragm, 2 is a rear diaphragm, 3 is a controller, 4 is a host computer, 5 is a washing water pipe, 6 is a bentonite pipe, 7 is a check valve, 8 is an on-off valve, 9 is a diaphragm joint, 10 is a medium injection passage, 11 is a sensor wiring passage, 20 is a pressure sensor, 21 is a relay joint, and 22 is a first control valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Example 1: as shown in fig. 1, a multi-mode earth pressure monitoring system for a heading machine comprises a front partition plate 1 and a rear partition plate 2, wherein at least one group of first control valves 22 are installed on the front partition plate 1, the first control valves are manual ball valves, the manual ball valves can be controlled manually or remotely through a controller, a relay joint 21 is installed on the upper portion of each first control valve 22, a pressure sensor 20 is installed on the upper portion of each relay joint 21, each relay joint 21 is respectively communicated with a bentonite pipeline 6 and a washing water pipeline 5 through a medium injection channel 10, the upper interface and the lower interface of each relay joint are respectively connected with the first control valves and used for installing the pressure sensors, the other interface of each relay joint injects water/bentonite into the end portion of each sensor 20 through the medium injection channel and can be injected into a digging bin through the front partition plate, the medium injection channel 10 and the sensor wiring channel 11 are both installed on the rear partition plate 2, the rear partition board 2 is provided with a partition board joint 9, and the medium injection channel 10 and the sensor wiring channel 11 are respectively arranged on the rear partition board 2 through the partition board joint 9.
The medium injection channel 10 is provided with a control valve group, the pressure sensor 20 is connected with the controller 3 through a sensor connecting line, the sensor connecting line is arranged in a sensor wiring channel 11, the controller 3 is respectively connected with the control valve group and the upper computer 4, the control valve group comprises a switch valve 8 and a check valve 7, the switch valve is connected with the controller, and the controller 3 can carry out on-off control on the switch valve 8 in a pipeline according to the operation of the upper computer 4 or an operation platform; the medium injection channel 10 comprises a medium injection main pipe and medium injection branch pipes, the medium injection main pipe is respectively communicated with the bentonite pipeline 6 and the washing water pipeline 5 through two groups of medium injection branch pipes which are arranged in parallel, the switch valve 8 and the check valve 7 are installed on the medium injection branch pipes, and the medium injection main pipe is installed on the rear partition plate 2 through a partition plate joint 9.
In the embodiment, the first control valves are set into one group, a group of first control valves 22, a relay joint 21, a medium injection channel 10, a control valve group, a bentonite pipeline 6 and a flushing water pipeline 5 integrally form a single-way tunneling machine multi-mode injection pipeline, a pressure sensor 20, a sensor wiring channel 11, a controller 3 and an upper computer 4 integrally form a tunneling machine soil pressure monitoring unit, the tunneling machine soil pressure monitoring unit and the single-way tunneling machine multi-mode injection pipeline integrally form a single-way multi-mode tunneling machine soil pressure monitoring system, the flushing water pipeline is combined with the bentonite pipeline and injected into a sensor detection channel formed by the first control valves and the relay joint through the medium injection channel, the pressure sensor arranged at the upper part of the relay joint is used for monitoring the pressure bearing of the medium injected into the sensor detection channel in real time, and only the flushing water pipeline or the bentonite pipeline needs to be switched under different modes, the pressure sensor can be used for realizing real-time monitoring of water and soil pressure, and is suitable for monitoring the soil pressure of various heading machines, so that the shutdown cost is reduced, and the production progress is favorably improved.
Example 2: the actual configuration number of the control valves can be properly increased according to the number of the sensors required by different types, the number of the first control valves 22 is two, the relay joints 21 on the two groups of first control valves 22 are respectively communicated with the bentonite pipeline 6 and the flushing water pipeline 5 through the medium injection channels 10 which are arranged in parallel, the two groups of first control valves are arranged on the front partition plate, and the medium is injected into the relay joints on the two groups of first control valves through the medium injection channels, so that the multi-mode injection pipeline of the double-path heading machine is realized, and the accuracy of soil pressure monitoring parameters is improved.
Example 3: a working method of a multi-mode heading machine soil pressure monitoring system comprises the following steps:
s1, a first control valve 22 is installed on a front partition board 1, a relay joint 21 is installed between the first control valve 22 and a pressure sensor 20, the pressure sensor 20 is used for monitoring the soil pressure of the heading machine in a soil pressure real-time monitoring mode, a sensor connecting line is connected to a controller 3 through a sensor wiring channel 11 and a partition board joint 9 of a rear partition board 2, and the other interface of the relay joint 21 injects flushing water or bentonite into the end part of the pressure sensor 20 through a medium injection channel 10 and injects the flushing water or the bentonite into an excavation cabin through the first control valve 22 and the front partition board 1;
s2, earth pressure mode: the controller controls a switch valve 8 connected with a bentonite pipeline to be opened at regular time, bentonite is conveyed into a relay joint 21 and then conveyed into an excavation bin through a first control valve 22 by pumping of a bentonite pump, and residue soil in the excavation bin is isolated outside a front partition plate by the aid of the regular injection of the bentonite; during the bentonite pumping process, the pressure sensor 20 is used for monitoring the soil pressure of the heading machine in a soil pressure mode in real time, and the fluctuation of the pressure during the bentonite injection does not influence the measurement;
s3, mud-water mode: the controller 3 controls the switch valve 8 connected with the flushing water pipeline to be opened at regular time, through the injection of flushing water, the flushing water enters the relay joint 21 and is sent into the excavation bin through the first control valve 22, and slurry in the excavation bin is isolated outside the front partition plate; during the pumping process of the flushing water, the pressure sensor 20 is used for monitoring the soil pressure monitoring of the heading machine in a soil pressure mode in real time, and the fluctuation of the pressure during the injection of the flushing water does not influence the measurement;
s4, according to the steps S2 and S3, when the soil pressure mode and the muddy water mode are switched, no extra operation is needed, and the switching of the soil pressure mode or the muddy water mode is realized by controlling the on-off valve 8 correspondingly communicated with the flushing water pipeline 5 or the bentonite pipeline 6 to be switched and opened through the controller 3;
s5, according to the step S4, when the soil pressure mode/muddy water mode is switched to the TBM mode, pressure detection is not needed in the TBM mode, a worker enters the cabin body between the front partition plate 1 and the rear partition plate 2, the first control valve 22 is manually closed or the first control valve 22 is controlled to be closed through the controller, the upper computer does not perform pressure parameter collection, and meanwhile the controller does not perform control of an on-off valve.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A multi-mode earth pressure monitoring system of a heading machine comprises a front partition plate (1) and a rear partition plate (2), and is characterized in that at least one group of first control valves (22) are installed on the front partition plate (1), a relay joint (21) is installed on the upper portion of each first control valve (22), a pressure sensor (20) is installed on the upper portion of each relay joint (21), each relay joint (21) is communicated with a bentonite pipeline (6) and a washing water pipeline (5) through a medium injection channel (10), a control valve group is installed on each medium injection channel (10), each pressure sensor (20) is connected with a controller (3) through a sensor connecting line, each sensor connecting line is installed in a sensor wiring channel (11), and each controller (3) is connected with the control valve group and an upper computer (4); the medium injection channel (10) and the sensor wiring channel (11) are both arranged on the rear partition plate (2).
2. A multimode earth pressure monitoring system of a heading machine according to claim 1, wherein the rear bulkhead (2) is provided with a bulkhead connector (9), and the medium injection passage (10) and the sensor wiring passage (11) are respectively provided on the rear bulkhead (2) through the bulkhead connector (9).
3. The multimode earth pressure monitoring system of the heading machine according to claim 1, wherein the first control valve (22), the relay joint (21), the medium injection channel (10), the control valve set, the bentonite pipeline (6) and the flushing water pipeline (5) integrally form a heading machine multimode injection pipeline, the pressure sensor (20), the sensor wiring channel (11), the controller (3) and the upper computer (4) integrally form a heading machine earth pressure monitoring unit, and the heading machine earth pressure monitoring unit and the heading machine multimode injection pipeline integrally form the multimode heading machine earth pressure monitoring system.
4. A multi-mode earth pressure monitoring system of a heading machine according to claim 1, 2 or 3, wherein the control valve group comprises an on-off valve (8) and a check valve (7); the medium injection passage (10) comprises a medium injection main pipe and medium injection branch pipes, the medium injection main pipe is respectively communicated with the bentonite pipeline (6) and the washing water pipeline (5) through two groups of medium injection branch pipes which are arranged in parallel, the switch valve (8) and the check valve (7) are installed on the medium injection branch pipes, and the medium injection main pipe is installed on the rear partition plate (2) through a partition plate joint (9).
5. The multimode earth pressure monitoring system of the heading machine according to claim 1, wherein the number of the first control valves (22) is two, and the relay joints (21) of the two first control valves (22) are respectively communicated with the bentonite pipeline (6) and the flushing water pipeline (5) through the medium injection channels (10) which are arranged in parallel.
6. The operating method of the multi-mode earth pressure monitoring system of the heading machine according to any one of claims 1, 2 or 4, comprising the steps of:
s1, a first control valve (22) is installed on a front partition plate (1), a relay joint (21) is installed between the first control valve (22) and a pressure sensor (20), the pressure sensor (20) is used for monitoring the soil pressure of the heading machine in a soil pressure mode in real time, a sensor connecting line is connected to a controller (3) through a sensor wiring channel (11) and a partition plate joint (9) of a rear partition plate (2), and the other interface of the relay joint (21) injects flushing water or bentonite into the end part of the pressure sensor (20) through a medium injection channel (10) and injects the flushing water or bentonite into an excavation bin through the first control valve (22) and the front partition plate (1);
s2, earth pressure mode: the controller controls a switch valve (8) connected with a bentonite pipeline to be opened at regular time, bentonite is conveyed into a relay joint (21) and then conveyed into an excavation bin through a first control valve (22) by pumping of a bentonite pump, and residue soil in the excavation bin is isolated outside a front partition plate by the aid of the timed injection of the bentonite; during the pumping process of the bentonite, the pressure sensor (20) is utilized to monitor the soil pressure of the heading machine in a soil pressure real-time monitoring mode, and the fluctuation of the pressure during the injection of the bentonite does not influence the measurement;
s3, mud-water mode: the controller (3) controls a switch valve (8) connected with a flushing water pipeline to be opened at regular time, flushing water enters a relay joint (21) and is pumped into an excavation bin through a first control valve (22) through injection of the flushing water, and slurry in the excavation bin is isolated outside a front partition plate; during the pumping process of the flushing water, the pressure sensor 20 is used for monitoring the soil pressure monitoring of the heading machine in a soil pressure mode in real time, and the fluctuation of the pressure during the injection of the flushing water does not influence the measurement;
s4, according to the steps S2 and S3, when the soil pressure mode and the muddy water mode are switched, no extra operation is needed, and the controller (3) controls the switch valve (8) correspondingly communicated with the flushing water pipeline (5) or the bentonite pipeline (6) to be switched on, so that the soil pressure mode or the muddy water mode is switched;
s5, according to the step S4, when the soil pressure mode/muddy water mode is switched to the TBM mode, pressure detection is not needed in the TBM mode, a worker enters the cabin body between the front partition plate (1) and the rear partition plate (2), the first control valve (22) is manually closed or the first control valve (22) is controlled to be closed through the controller, and the upper computer does not perform pressure collection any more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011611067.0A CN113309530B (en) | 2020-12-30 | 2020-12-30 | Multi-mode heading machine soil pressure monitoring system and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011611067.0A CN113309530B (en) | 2020-12-30 | 2020-12-30 | Multi-mode heading machine soil pressure monitoring system and working method thereof |
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| CN113309530A true CN113309530A (en) | 2021-08-27 |
| CN113309530B CN113309530B (en) | 2023-03-28 |
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| JPH0390798A (en) * | 1989-09-01 | 1991-04-16 | Toyo Kogyo Kk | Earth discharge method in muddy water shield method |
| JPH04136398A (en) * | 1990-09-27 | 1992-05-11 | Shimizu Corp | Shield construction method using pressure of mud and earth |
| CN101509381A (en) * | 2008-12-24 | 2009-08-19 | 中铁隧道集团有限公司 | Composite shield structure suitable for bad ground construction |
| JP2011021403A (en) * | 2009-07-16 | 2011-02-03 | Ohbayashi Corp | Excavating method for curve using soil pressure shield machine |
| JP2012087557A (en) * | 2010-10-21 | 2012-05-10 | Taisei Corp | Bubble injection system |
| CN203476339U (en) * | 2013-05-24 | 2014-03-12 | 银川英奥特自控有限公司 | Pulse back flushing device for pressure maintaining system of shield tunneling machine |
| CN203925506U (en) * | 2013-10-24 | 2014-11-05 | 上海城建市政工程（集团）有限公司 | Slurry balance pipe-jacking tunneling machine excavation face automatic pressure-balancing device |
| CN104695969A (en) * | 2015-02-28 | 2015-06-10 | 广东华隧建设股份有限公司 | Method for switching slurry tunneling mode to earth pressure tunneling mode of shield tunneling machine |
| CN104879133A (en) * | 2015-05-21 | 2015-09-02 | 中铁工程装备集团有限公司 | Double-mode shield tunneling machine |
| CN205063955U (en) * | 2015-09-25 | 2016-03-02 | 铁建重工新疆有限公司 | Compound balanced shield tunnelling machine |
| CN108425681A (en) * | 2017-10-27 | 2018-08-21 | 宏润建设集团股份有限公司 | A kind of gas soil joint balance shield machine and its face balance control method |
| CN111305858A (en) * | 2020-03-15 | 2020-06-19 | 南宁中铁广发轨道装备有限公司 | Mixed mold shield machine |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0390798A (en) * | 1989-09-01 | 1991-04-16 | Toyo Kogyo Kk | Earth discharge method in muddy water shield method |
| JPH04136398A (en) * | 1990-09-27 | 1992-05-11 | Shimizu Corp | Shield construction method using pressure of mud and earth |
| CN101509381A (en) * | 2008-12-24 | 2009-08-19 | 中铁隧道集团有限公司 | Composite shield structure suitable for bad ground construction |
| JP2011021403A (en) * | 2009-07-16 | 2011-02-03 | Ohbayashi Corp | Excavating method for curve using soil pressure shield machine |
| JP2012087557A (en) * | 2010-10-21 | 2012-05-10 | Taisei Corp | Bubble injection system |
| CN203476339U (en) * | 2013-05-24 | 2014-03-12 | 银川英奥特自控有限公司 | Pulse back flushing device for pressure maintaining system of shield tunneling machine |
| CN203925506U (en) * | 2013-10-24 | 2014-11-05 | 上海城建市政工程（集团）有限公司 | Slurry balance pipe-jacking tunneling machine excavation face automatic pressure-balancing device |
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| CN104879133A (en) * | 2015-05-21 | 2015-09-02 | 中铁工程装备集团有限公司 | Double-mode shield tunneling machine |
| CN205063955U (en) * | 2015-09-25 | 2016-03-02 | 铁建重工新疆有限公司 | Compound balanced shield tunnelling machine |
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| CN111305858A (en) * | 2020-03-15 | 2020-06-19 | 南宁中铁广发轨道装备有限公司 | Mixed mold shield machine |
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| CN113309530B (en) | 2023-03-28 |
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