CN113482634B - System and method for monitoring mud cake of cutter head of slurry shield based on ultrasonic ranging - Google Patents
System and method for monitoring mud cake of cutter head of slurry shield based on ultrasonic ranging Download PDFInfo
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- CN113482634B CN113482634B CN202111005044.XA CN202111005044A CN113482634B CN 113482634 B CN113482634 B CN 113482634B CN 202111005044 A CN202111005044 A CN 202111005044A CN 113482634 B CN113482634 B CN 113482634B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002002 slurry Substances 0.000 title claims description 29
- 238000012545 processing Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 9
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of shield construction, in particular to a mud shield cutter disc mud cake monitoring system and method based on ultrasonic ranging.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a mud cake monitoring system and method for a slurry shield cutter head based on ultrasonic ranging.
Background
The shield machine is a large mechanical device widely used in underground engineering construction, and is mainly divided into an earth pressure balance shield machine, a slurry balance shield machine, a TBM (tunnel boring machine) and a pipe jacking machine. When the slurry balance shield machine works, a slurry cabin is filled with circulating slurry with certain pressure, a constructor cannot directly observe the condition in the cabin and the cutter head state, the condition that a cutter head cutter is subjected to mud cake formation, abrasion, damage and the like is difficult to find in time, the condition is difficult to find until the condition is worsened to a serious ground step, the condition can be found, the huge construction period and economic loss are caused for engineering construction, and the safety risk of the engineering is increased.
Therefore, a set of system and method capable of monitoring whether the slurry shield cutter is bonded with mud cakes in real time is provided, visual slurry shield cutter state data are provided for shield engineering constructors, the improvement of the safety of slurry shield construction is facilitated, the loss is reduced, and the system and the method are very worthy of research.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a monitoring system and a monitoring method which can monitor whether the shield cutter head cutter has abnormal conditions such as mud cakes, abrasion and the like in a manner of ultrasonic ranging in slurry with certain pressure in real time and visually present the result to constructors.
The specific scheme of the invention is as follows:
the mud cake monitoring system for the slurry shield cutter head based on ultrasonic ranging is designed, and comprises a parametric array ultrasonic transducer, a driving unit module for providing driving signals for the ultrasonic transducer, a signal processing module and a power supply module for providing electric energy for the driving unit module and the signal processing module, wherein the ultrasonic transducer is connected with the driving unit module and the signal processing module through signal lines; the ultrasonic transducer 5 is a parametric array ultrasonic transducer.
A partition board is arranged between a muddy water bin and an air cushion bin of the shield tunneling machine, the ultrasonic transducer is arranged on the partition board, and the installation position of the ultrasonic transducer corresponds to the rotating track of the opening of the shield tunneling cutter;
the driving unit module and the signal processing module are connected with a control terminal through a data transmission line, and the control terminal is connected with a cutter head driving rotating speed sensor through a data transmission line.
Preferably, be equipped with on the baffle and reserve the interface, reserve the interface and establish the interface sleeve on the baffle including the cover the interface sleeve endotheca is equipped with and cup joints the frock, cup joint the frock and includes frock sleeve and frock board, frock sleeve suit is in the interface sleeve, and its one end of keeping away from the baffle is connected with the frock board, ultrasonic transducer suit is in the frock sleeve who cup joints the frock be equipped with the through-hole that supplies to connect the ultrasonic transducer cable and pass through on the frock board.
Preferably, a support is arranged at the bottom of the interface sleeve between the tooling plate and the partition plate, the interface sleeve is divided into two parts, one part is fixed on the partition plate, the other part is fixed on the support, a gap is reserved between the two parts, and a temporary sealing plate corresponding to the gap is arranged on the inner side wall of the partition plate in a sliding mode.
Preferably, a plurality of rubber sealing rings are respectively arranged between the ultrasonic transducer and the tooling sleeve as well as between the tooling sleeve and the reserved interface.
The invention also designs a method for monitoring the mud cake of the cutter head of the slurry shield based on ultrasonic ranging, which comprises the following steps:
s1: setting or inputting initial values of parameters through a control terminal;
s2: associating the monitoring system with a shield control system, and starting the system synchronously when the shield machine starts to tunnel;
s3: the driving unit module and the signal processing module send instructions to the ultrasonic transducer according to the setting of the control terminal;
s4: the ultrasonic transducer transmits ultrasonic waves to the slurry shield cutter head and receives the returned ultrasonic waves;
s5: the ultrasonic transducer transmits the measured ultrasonic signal to the driving unit module and the signal processing module;
s6: the driving unit module and the signal processing module process the signals through an algorithm to obtain measurement data, and the measurement data are transmitted to the control terminal;
s7: the cutter head driving rotation speed sensor transmits the measured cutter head driving rotation speed to the control terminal, and the control terminal displays a monitoring result;
s8: when the monitoring data graph of the opening position of the cutter head has obvious concave compared with the initial value, the mud cake phenomenon exists at the position, and corresponding treatment measures are required.
Preferably, when the monitoring system is used for the first time, data of the monitored cutter head rotating for the first ten circles are averaged and stored as an initial value, and then the monitored data are compared with the initial value and displayed in a visual mode.
The invention has the beneficial effects that:
1. the invention can monitor whether the shield cutter head cutter has the abnormal condition of mud cakes in the mud with certain pressure in real time in an ultrasonic ranging mode and visually present the result to a system of constructors, thereby providing clear data for the constructors to make a scheme decision, improving the construction quality, efficiency and safety of engineering and reducing loss.
2. The invention realizes the real-time monitoring of the cutter disc mud cakes in the working state of the slurry shield, can help the slurry shield construction technicians to master whether the cutter disc has the mud cake formation condition and the degree in real time so as to timely treat the mud cakes, thereby reducing or avoiding the construction period loss caused by the personnel entering the warehouse to treat the mud cakes and simultaneously improving the safety factor.
Drawings
FIG. 1 is a schematic block diagram of a system architecture of the present invention;
FIG. 2 is a schematic view of an installation structure of an ultrasonic transducer;
FIG. 3 is a schematic structural view of the ultrasonic transducer and the tooling sleeve portion in a pulled-out state;
the reference numbers in the figures are: the device comprises a temporary sealing plate 1, a partition plate 2, an interface sleeve 3, a tooling sleeve 4, an ultrasonic transducer 5, a cable 6, a tooling plate 7, a through hole 8, a support 9 and a gap 10.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
A mud cake monitoring system of a slurry shield cutter head based on ultrasonic ranging is shown in figures 1 to 3 and comprises an ultrasonic transducer 5, a driving unit module for providing driving signals for the ultrasonic transducer 5, a signal processing module and a power supply module for providing electric energy for the driving unit module and the signal processing module, wherein the ultrasonic transducer 5 is connected with the driving unit module and the signal processing module through signal lines; the ultrasonic transducer 5 adopts a parametric array ultrasonic transducer, and can meet the adaptability requirements of the system on slurry with different specific gravity and different viscosity.
Be equipped with baffle 2 between shield structure machine's muddy water storehouse and air cushion storehouse to divide into muddy water storehouse and ordinary pressure working bin, air cushion storehouse, people's storehouse with shield structure machine's working bin by baffle 2, ultrasonic transducer 5 establishes on baffle 2, and its mounted position is corresponding with the rotatory orbit of shield structure blade disc opening part, and specific mounted position can be judged by staff according to experience, and the rotatory orbit that appears the mud cake position on the blade disc opening easily is corresponding, ultrasonic transducer 5 can be single, also can be along the blade disc radius, distributes in a plurality of constitutions of different positions.
The driving unit module and the signal processing module are connected with a control terminal through a data transmission line, and the control terminal is connected with a cutter head driving rotating speed sensor through a data transmission line. The control terminal can accurately position the rotating position of the cutter opening through the data obtained by the cutter rotating speed sensor and algorithm calculation, so that the position of the cutter opening is monitored in real time through the ultrasonic transducer 5.
The system can adjust parameters such as gain and compensation of the ultrasonic transducer 5 to measure clear structural boundaries.
Be equipped with on baffle 2 and reserve the interface, reserve the interface and establish interface sleeve 3 on baffle 2 including the cover, the cover is equipped with in interface sleeve 3 and cup joints the frock, cup joint the frock and include frock sleeve 4 and frock board 7, frock sleeve 4 suit is in interface sleeve 3, its one end of keeping away from baffle 2 is connected with frock board 7, 5 suits of ultrasonic transducer are equipped with the through-hole 8 that supplies to connect 5 cables of ultrasonic transducer 6 and pass through on frock board 7 in the frock sleeve 4 who cup joints the frock.
Be equipped with support 9 between tooling plate 7 and baffle 2 at the bottom of interface sleeve 3, interface sleeve 3 divide into two parts, and partly fix on baffle 2, and another part is fixed on support 9, and leaves gap 10 between two parts, slides on the inside wall of baffle 2 and is equipped with the interim closing plate 1 that corresponds with gap 10.
When needs are changed ultrasonic transducer 5, pull out partly with frock sleeve and ultrasonic transducer earlier, then will interim closing plate 1 push in, carry out the shutoff to interface sleeve 3 on the baffle 2 to isolated muddy water storehouse and ordinary pressure working bin guarantee the not decay of pressure in the muddy water storehouse, in order to prevent muddy water in the muddy water storehouse from getting into ordinary pressure working bin.
A plurality of rubber seal rings are respectively arranged between the ultrasonic transducer 5 and the tool sleeve 4 as well as between the tool sleeve 4 and the reserved interface, so that the requirements of compression resistance and water resistance are met.
Example 2
A mud cake monitoring method of a slurry shield cutter head based on ultrasonic ranging is shown in figure 1 and comprises the following steps:
s1: setting or inputting initial values of parameters through a control terminal;
s2: associating the monitoring system with a shield control system, and starting the system synchronously when the shield machine starts to tunnel;
s3: the driving unit module and the signal processing module send instructions to the ultrasonic transducer 5 according to the setting of the control terminal;
s4: the ultrasonic transducer 5 transmits ultrasonic waves to the slurry shield cutter head and receives the returned ultrasonic waves;
s5: the ultrasonic transducer 5 transmits the measured ultrasonic signal to the driving unit module and the signal processing module;
s6: the driving unit module and the signal processing module process the signals through an algorithm to obtain measurement data, and the measurement data are transmitted to the control terminal;
s7: the cutter head driving rotation speed sensor transmits the measured cutter head driving rotation speed to the control terminal, and the control terminal displays a monitoring result;
s8: when the monitoring data graph of the opening position of the cutter head has obvious concave compared with the initial value, the mud cake phenomenon exists at the position, and corresponding treatment measures are required.
When the monitoring system is used for the first time, data of the front ten circles of rotation of the monitored cutter head are averaged and stored as an initial value, and the subsequent monitoring data are compared with the initial value and displayed in a visual mode. The control terminal can obtain the forward rotation and the reverse rotation of the cutter head of the slurry shield machine and stop states.
The distance between each point at a certain radius position on the circumference of the rotating slurry shield cutter head and the ultrasonic transducer 5 is measured in real time through the ultrasonic transducer 5 and is compared with an initial value, so that whether the sludge cake is formed at the opening of the slurry shield cutter head is monitored.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that certain features may be replaced by equivalents thereof; 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. The mud cake monitoring system for the slurry shield cutter head based on ultrasonic ranging is characterized by comprising an ultrasonic transducer (5), a driving unit module for providing driving signals for the ultrasonic transducer (5), a signal processing module and a power supply module for providing electric energy for a driving device and the signal processing module, wherein the ultrasonic transducer (5) is connected with the driving unit module and the signal processing module through signal lines;
a partition plate (2) is arranged between a muddy water bin and an air cushion bin of the shield tunneling machine, the ultrasonic transducer (5) is arranged on the partition plate (2), and the installation position of the ultrasonic transducer corresponds to the rotating track of the opening of a shield tunneling cutter head;
the driving unit module and the signal processing module are connected with a control terminal through a data transmission line, and the control terminal is connected with a cutter driving rotating speed sensor through a data transmission line;
the distance between each point at a certain radius position on the circumference of the rotating slurry shield cutter head and the ultrasonic transducer is measured in real time through the ultrasonic transducer (5) and is compared with an initial value, so that whether the sludge cake is formed at the opening of the slurry shield cutter head is monitored.
2. The ultrasonic ranging-based mud cake monitoring system for the mud shield cutterhead of claim 1, wherein: be equipped with on baffle (2) and reserve the interface, reserve the interface and establish interface sleeve (3) on baffle (2) including the cover interface sleeve (3) the cover is equipped with and cup joints the frock in interface sleeve (3), cup joint the frock and include frock sleeve (4) and frock board (7), frock sleeve (4) suit is in interface sleeve (3), and its one end of keeping away from baffle (2) is connected with frock board (7), ultrasonic transducer (5) suit is in the frock sleeve (4) of cup jointing the frock be equipped with through-hole (8) that supply to connect ultrasonic transducer (5) cable (6) and pass through on frock board (7).
3. The ultrasonic ranging-based mud cake monitoring system for the mud shield cutterhead of claim 2, wherein: the bottom of interface sleeve (3) is located and is equipped with support (9) between frock board (7) and baffle (2), interface sleeve (3) divide into two parts, and partly fixes on baffle (2), and another part is fixed on support (9), and leaves gap (10) between two parts slide on the inside wall of baffle (2) and be equipped with temporary sealing plate (1) corresponding with gap (10).
4. The ultrasonic ranging-based mud cake monitoring system for the mud shield cutterhead of claim 3, wherein: and a plurality of rubber sealing rings are respectively arranged between the ultrasonic transducer (5) and the tool sleeve (4) and between the tool sleeve (4) and the reserved interface.
5. A slurry shield cutterhead mud cake monitoring method using the ultrasonic ranging-based slurry shield cutterhead mud cake monitoring system according to any one of claims 1 to 4, characterized in that: the method comprises the following steps:
s1: setting or inputting initial values of parameters through a control terminal;
s2: associating the monitoring system with a shield control system, and starting the system synchronously when the shield machine starts to tunnel;
s3: the driving unit module and the signal processing module send instructions to the ultrasonic transducer (5) according to the setting of the control terminal;
s4: the ultrasonic transducer (5) transmits ultrasonic waves to the slurry shield cutter head and receives the returned ultrasonic waves;
s5: the ultrasonic transducer (5) transmits the measured ultrasonic signal to the driving unit module and the signal processing module;
s6: the driving unit module and the signal processing module process the signals through an algorithm to obtain measurement data, and the measurement data are transmitted to the control terminal;
s7: the cutter head driving rotation speed sensor transmits the measured cutter head driving rotation speed to the control terminal, and the control terminal displays a monitoring result;
s8: when the monitoring data graph of the opening position of the cutter head has obvious concave compared with the initial value, the mud cake phenomenon exists at the position, and corresponding treatment measures are required.
6. The method for monitoring the mud cake of the mud shield cutter head monitoring system based on the ultrasonic ranging as claimed in claim 5, wherein: the ultrasonic transducer (5) adopts a parametric array ultrasonic transducer (5).
7. The method for monitoring the mud cake of the mud shield cutter head monitoring system based on the ultrasonic ranging as claimed in claim 5, wherein: when the monitoring system is used for the first time, data of the front ten circles of rotation of the monitored cutter head are averaged and stored as an initial value, and the subsequent monitoring data are compared with the initial value and displayed in a visual mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005044.XA CN113482634B (en) | 2021-08-30 | 2021-08-30 | System and method for monitoring mud cake of cutter head of slurry shield based on ultrasonic ranging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111005044.XA CN113482634B (en) | 2021-08-30 | 2021-08-30 | System and method for monitoring mud cake of cutter head of slurry shield based on ultrasonic ranging |
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| CN113482634A CN113482634A (en) | 2021-10-08 |
| CN113482634B true CN113482634B (en) | 2022-09-20 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03293495A (en) * | 1990-04-10 | 1991-12-25 | Toda Constr Co Ltd | Muddy water type shield excavator |
| JPH07113867A (en) * | 1993-10-15 | 1995-05-02 | Shogo Tanaka | Automatic detection of front abnormal matter in tunnel construction method |
| CN104747197A (en) * | 2015-03-25 | 2015-07-01 | 中铁工程装备集团有限公司 | Earth pressure balance shield tunneling machine earth chamber mud cake detection device |
| CN106885642A (en) * | 2017-03-15 | 2017-06-23 | 中南大学 | A kind of cutterhead mud lining detection means |
| CN107191194A (en) * | 2017-07-12 | 2017-09-22 | 中船重工（青岛）轨道交通装备有限公司 | Shield machine Tu Cang mud cake detection and remove device |
| CN108548604A (en) * | 2018-02-02 | 2018-09-18 | 上海市政工程设计研究总院（集团）有限公司 | A kind of shield cutter mud lining method of real-time based on infrared thermal imaging |
| CN109322673A (en) * | 2018-12-14 | 2019-02-12 | 徐工集团凯宫重工南京股份有限公司 | Anti- mud lining earth pressure balance shield machine cutterhead |
| CN111622766A (en) * | 2020-05-19 | 2020-09-04 | 中铁十四局集团大盾构工程有限公司 | Method for judging mud cake formed on cutter head of shield machine and detecting position of mud cake |
| CN111828028A (en) * | 2020-06-28 | 2020-10-27 | 盾构及掘进技术国家重点实验室 | Shield tunneling machine cutter head with mud cake detection and removal device and using method |
| CN212202058U (en) * | 2020-05-13 | 2020-12-22 | 淮安市中球盾构技术服务有限公司 | Shield constructs quick-witted mud cake detection device |
| CN113107499A (en) * | 2021-05-06 | 2021-07-13 | 中铁工程装备集团有限公司 | Method and device for monitoring mud cake formed on cutter head of shield machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2466273C2 (en) * | 2010-12-30 | 2012-11-10 | Шлюмберже Текнолоджи Б.В. | Method to determine thickness of clayey crust |
-
2021
- 2021-08-30 CN CN202111005044.XA patent/CN113482634B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03293495A (en) * | 1990-04-10 | 1991-12-25 | Toda Constr Co Ltd | Muddy water type shield excavator |
| JPH07113867A (en) * | 1993-10-15 | 1995-05-02 | Shogo Tanaka | Automatic detection of front abnormal matter in tunnel construction method |
| CN104747197A (en) * | 2015-03-25 | 2015-07-01 | 中铁工程装备集团有限公司 | Earth pressure balance shield tunneling machine earth chamber mud cake detection device |
| CN106885642A (en) * | 2017-03-15 | 2017-06-23 | 中南大学 | A kind of cutterhead mud lining detection means |
| CN107191194A (en) * | 2017-07-12 | 2017-09-22 | 中船重工（青岛）轨道交通装备有限公司 | Shield machine Tu Cang mud cake detection and remove device |
| CN108548604A (en) * | 2018-02-02 | 2018-09-18 | 上海市政工程设计研究总院（集团）有限公司 | A kind of shield cutter mud lining method of real-time based on infrared thermal imaging |
| CN109322673A (en) * | 2018-12-14 | 2019-02-12 | 徐工集团凯宫重工南京股份有限公司 | Anti- mud lining earth pressure balance shield machine cutterhead |
| CN212202058U (en) * | 2020-05-13 | 2020-12-22 | 淮安市中球盾构技术服务有限公司 | Shield constructs quick-witted mud cake detection device |
| CN111622766A (en) * | 2020-05-19 | 2020-09-04 | 中铁十四局集团大盾构工程有限公司 | Method for judging mud cake formed on cutter head of shield machine and detecting position of mud cake |
| CN111828028A (en) * | 2020-06-28 | 2020-10-27 | 盾构及掘进技术国家重点实验室 | Shield tunneling machine cutter head with mud cake detection and removal device and using method |
| CN113107499A (en) * | 2021-05-06 | 2021-07-13 | 中铁工程装备集团有限公司 | Method and device for monitoring mud cake formed on cutter head of shield machine |
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| CN113482634A (en) | 2021-10-08 |
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