CN111692958B - Device and method for measuring shield posture in steel sleeve - Google Patents
Device and method for measuring shield posture in steel sleeve Download PDFInfo
- Publication number
- CN111692958B CN111692958B CN202010641109.9A CN202010641109A CN111692958B CN 111692958 B CN111692958 B CN 111692958B CN 202010641109 A CN202010641109 A CN 202010641109A CN 111692958 B CN111692958 B CN 111692958B
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- China
- Prior art keywords
- measuring
- shield
- rod
- steel sleeve
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract 2
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 230000005641 tunneling Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- 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
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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a shield constructs posture measuring device in steel sleeve, includes the steel sleeve body, and the steel sleeve body comprises multistage sealing connection's barrel, and the top, left end and the right-hand member of each section barrel all are equipped with measuring device, and measuring device's measuring end stretches into in the barrel and is located the radial of barrel; the measuring device comprises a shell, wherein a measuring rod, a spring, a conducting rod and a sliding variable resistor are arranged in the shell; the head part of the measuring rod extends out of the shell, and the bottom of the measuring rod is provided with a spring; the left side of measuring staff is equipped with the slidingtype variable resistor that parallels with it, is equipped with the conducting rod on the slidingtype variable resistor, and the one end butt of conducting rod is on the slidingtype variable resistor, and the other end fixed connection of conducting rod is on the measuring staff. The invention further provides a measuring method of the shield posture measuring device in the steel sleeve. The invention can monitor the gesture of the shield in the sealed steel sleeve, ensure the correct direction of the shield machine in the receiving process and ensure the safety problem of the shield machine in the receiving process.
Description
Technical Field
The invention relates to the field of civil engineering equipment, in particular to a device and a method for measuring the attitude of a shield in a steel sleeve.
Background
Shield receiving is an important procedure for tunnel construction by a shield method, and a steel sleeve auxiliary receiving method is often adopted at present to receive the shield. The steel sleeve is a cylindrical structure with one end open and one end closed. When the shield tunneling machine is used, the open end of the steel sleeve is welded on the portal ring plate of the working well wall, and the same water and soil pressure inside and outside the working well wall is constructed by filling slurry into the sleeve for pressurization and the like, so that the shield tunneling machine can be successfully received.
Different from a conventional shield receiving mode, after the shield machine breaks the tunnel gate, the cutter head of the shield machine can be seen, the posture of the shield machine during shield receiving can be clearly judged, and the deviation can be corrected in time. When the steel sleeve is adopted for receiving the shield machine, the steel sleeve is of a closed structure, so that the posture of the shield machine in the steel sleeve cannot be directly observed, and if the posture of the shield machine is problematic, the cutter head of the shield machine is easy to directly touch the inner wall of the steel sleeve, so that the steel sleeve structure is damaged, and the tightness of the structure and the smooth receiving of the shield machine are affected.
Disclosure of Invention
In order to overcome the problems, the invention provides a device and a method for measuring the posture of a shield in a steel sleeve.
The first aspect of the invention provides a device for measuring the attitude of a shield in a steel sleeve, which comprises a steel sleeve body, wherein the steel sleeve body consists of a plurality of sections of cylinders which are in sealed connection, measuring devices are arranged at the top end, the left end and the right end of each section of cylinder, and the measuring ends of the measuring devices extend into the cylinder and are positioned in the radial direction of the cylinder;
the measuring device comprises a shell, wherein a measuring rod, a spring, a conducting rod and a sliding variable resistor are arranged in the shell; the measuring rod is vertically arranged on the right side of the inside of the shell, the head of the measuring rod extends out of the top surface of the shell, and the head of the measuring rod is a measuring end; the bottom of the measuring rod is fixedly connected with the head end of the spring, and the bottom end of the spring is fixedly connected with the inner bottom surface of the shell; the left side of the measuring rod is provided with a sliding type variable resistor parallel to the measuring rod, the sliding type variable resistor is provided with a conducting rod, one end of the conducting rod is abutted to the sliding type variable resistor, the other end of the conducting rod is fixedly connected to the lower part of the measuring rod, and the conducting rod can be driven to slide towards the lower end of the sliding type variable resistor when the measuring rod is pressed; the sliding variable resistor, the conducting rod, the external power supply and the signal acquisition instrument are sequentially connected in series to form a loop, and the signal acquisition instrument judges the displacement of the measuring rod.
Further, the signal acquisition instrument is a resistance tester, and the signal acquisition instrument judges the displacement of the measuring rod according to the resistance change.
Further, the signal acquisition instrument is an intelligent electric quantity measuring instrument, and the signal acquisition instrument judges the displacement of the measuring rod according to the voltage change.
Further, the cylinder is provided with a through hole for installing the measuring device, and the shell of the measuring device is welded on the outer wall of the cylinder.
The second aspect of the invention provides a measurement method of a shield attitude measurement device in a steel sleeve, comprising the following steps:
Step1, a shield breaks a portal into the interior of a steel sleeve body;
step 2, the shield direction deviates from the axis, the shield shell touches the measuring rod, and the change of resistance or voltage in the loop is acquired by the signal acquisition instrument;
Step3, calculating the gesture of the shield machine according to the change of the resistance or the change of the voltage by the signal acquisition instrument, and transmitting the gesture to shield operators;
and 4, timely adjusting parameters by the shield, correcting the tunneling direction of the shield in the steel sleeve, and completing the receiving of the shield.
The beneficial effects of the invention are as follows: by arranging the measuring device between the cylinder bodies, the posture of the shield in the closed steel sleeve is monitored, the correct direction of the shield machine in the receiving process is ensured, and the safety problem in the receiving process of the shield machine is ensured.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a schematic structural view of the measuring device.
Reference numerals illustrate: 1. measuring device 101, measuring rod 102, shell 103, sliding variable resistor 104, spring 105, conductive rod; 2. a steel sleeve body; 3. a cable; 4, a step of; and a signal acquisition instrument.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that, as the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used for convenience in describing the present invention and simplifying the description based on the azimuth or positional relationship shown in the drawings, it should not be construed as limiting the present invention, but rather should indicate or imply that the devices or elements referred to must have a specific azimuth, be constructed and operated in a specific azimuth. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
In the description of the present invention, it should be noted that unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to the drawings, the device for measuring the shield posture in the steel sleeve comprises a steel sleeve body 2, wherein the steel sleeve body 2 consists of a plurality of sections of cylinders which are in sealed connection, the top end, the left end and the right end of each section of cylinder are respectively provided with a measuring device 1, and the measuring ends of the measuring devices 1 extend into the cylinder and are positioned in the radial direction of the cylinder;
The measuring device 1 comprises a housing 102; a measuring rod 101, a spring 104, a conductive rod 105 and a sliding variable resistor 103 are arranged in the shell 102; the measuring rod 101 is vertically arranged on the right side of the inside of the shell 102, the head of the measuring rod 101 extends out of the top surface of the shell 102, and the head of the measuring rod 101 is a measuring end; the bottom of the measuring rod 101 is fixedly connected with the head end of the spring 104, and the bottom end of the spring 104 is fixedly connected with the inner bottom surface of the shell 102; the left side of the measuring rod 101 is provided with a sliding type variable resistor 103 parallel to the measuring rod, the sliding type variable resistor 103 is provided with a conducting rod 105, one end of the conducting rod 105 is abutted against the sliding type variable resistor 103, the other end of the conducting rod 105 is fixedly connected to the lower part of the measuring rod 101, and when the measuring rod 101 is pressed, the conducting rod 105 can be driven to slide towards the lower end of the sliding type variable resistor 103; the sliding variable resistor 103, the conducting rod 105, an external power supply and the signal acquisition instrument 4 are sequentially connected in series through the cable 3 to form a loop, the signal acquisition instrument 4 is a resistance tester, and the displacement of the measuring rod is judged through resistance change.
Firstly, a hole is drilled on a barrel, a measuring device 1 stretches into the hole, a shell 102 and the barrel are welded together, the length of the shell 102 stretching into the hole and the measuring distance of a measuring rod 101 are determined according to the diameter of a steel sleeve and the diameter of a digging surface of a shield tunneling machine, and the measuring device is a certain distance away from the digging surface of the shield tunneling machine, so that the shield tunneling machine is prevented from being directly damaged when entering. The conductive rod 105 is fixed to the spindle 101, and can move up and down on the sliding variable resistor 103 with the movement of the spindle 101, and the displacement of the spindle is reflected by the change of the resistance. And each time of measurement, reading and reading the resistance change in the measuring device 1, and collecting the information of the posture of the shield tunneling machine.
A measuring method of a shield attitude measuring device in a steel sleeve comprises the following steps:
(1) The shield breaks the tunnel portal and enters the inside of the steel sleeve body;
(2) If the measuring rod 101 does not touch the shell of the shield machine, the signal acquisition instrument 4 does not acquire the change of the displacement, which indicates that the posture of the shield is kept good, and the shield continues to advance until the receiving is completed;
(3) If the measuring rod 101 is propped against the shell of the shield machine, the signal acquisition instrument 4 acquires displacement, which indicates that the shield posture is deviated from a set axis, and the posture position of the shield machine in the steel sleeve can be known according to the data acquired by the signal acquisition instrument 4.
(4) The shield machine timely adjusts parameters, and the posture of the shield machine is ensured to be adjusted back to a set axis according to the displacement feedback acquired by the signal acquisition instrument 4.
(5) The shield machine completely enters the steel sleeve to finish receiving.
The embodiments described in the present specification are merely examples of implementation forms of the inventive concept, and the scope of protection of the present invention should not be construed as being limited to the specific forms set forth in the embodiments, and the scope of protection of the present invention and equivalent technical means that can be conceived by those skilled in the art based on the inventive concept.
Claims (2)
1. The utility model provides a shield constructs posture measuring device in steel sleeve, includes the steel sleeve body, and the steel sleeve body comprises multistage sealing connection's barrel, its characterized in that: the top end, the left end and the right end of each section of cylinder are respectively provided with a measuring device, and the measuring ends of the measuring devices extend into the cylinder and are positioned in the radial direction of the cylinder;
The measuring device comprises a shell, wherein a measuring rod, a spring, a conducting rod and a sliding variable resistor are arranged in the shell; the measuring rod is vertically arranged on the right side of the inside of the shell, the head of the measuring rod extends out of the top surface of the shell, and the head of the measuring rod is a measuring end; the bottom of the measuring rod is fixedly connected with the head end of the spring, and the bottom end of the spring is fixedly connected with the inner bottom surface of the shell; the left side of the measuring rod is provided with a sliding type variable resistor parallel to the measuring rod, the sliding type variable resistor is provided with a conducting rod, one end of the conducting rod is abutted to the sliding type variable resistor, the other end of the conducting rod is fixedly connected to the lower part of the measuring rod, and the conducting rod can be driven to slide towards the lower end of the sliding type variable resistor when the measuring rod is pressed; the sliding variable resistor, the conducting rod, the external power supply and the signal acquisition instrument are sequentially connected in series to form a loop, and the signal acquisition instrument judges the displacement of the measuring rod;
The signal acquisition instrument is a resistance tester, and judges the displacement of the measuring rod according to the resistance change;
the cylinder is provided with a through hole for installing the measuring device, and the shell of the measuring device is welded on the outer wall of the cylinder.
2. The measuring method based on the shield posture measuring device in the steel sleeve as claimed in claim 1, which is characterized by comprising the following steps:
Step1, a shield breaks a portal into the interior of a steel sleeve body;
Step 2, the shield direction deviates from the axis, the shield shell touches the measuring rod, and the change of the resistance in the loop is acquired by the signal acquisition instrument;
Step 3, the signal acquisition instrument calculates the posture of the shield tunneling machine according to the change of the resistance and transmits the posture to shield operating personnel;
and 4, timely adjusting parameters by the shield, correcting the tunneling direction of the shield in the steel sleeve, and completing the receiving of the shield.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010641109.9A CN111692958B (en) | 2020-07-06 | 2020-07-06 | Device and method for measuring shield posture in steel sleeve |
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CN202010641109.9A CN111692958B (en) | 2020-07-06 | 2020-07-06 | Device and method for measuring shield posture in steel sleeve |
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CN111692958A CN111692958A (en) | 2020-09-22 |
CN111692958B true CN111692958B (en) | 2024-06-07 |
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CN202010641109.9A Active CN111692958B (en) | 2020-07-06 | 2020-07-06 | Device and method for measuring shield posture in steel sleeve |
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CN (1) | CN111692958B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112762808A (en) * | 2020-12-29 | 2021-05-07 | 淮安市中球盾构技术服务有限公司 | Steel sleeve displacement detection system |
CN113624119B (en) * | 2021-10-11 | 2021-12-21 | 山东裕东汽车零部件有限公司 | Brake disc inner and outer diameter length measuring tool and method thereof |
CN113945149B (en) * | 2021-10-27 | 2023-10-27 | 南京地铁运营有限责任公司 | Device and method for measuring deformation of shield tunnel segment joint |
Citations (8)
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JPH10220170A (en) * | 1997-02-06 | 1998-08-18 | Toda Constr Co Ltd | Method and device for attitude detection for shield machine |
JP2001065284A (en) * | 1999-08-27 | 2001-03-13 | Taisei Corp | Structure of shield boring machine |
CN103983448A (en) * | 2014-05-27 | 2014-08-13 | 江苏森源电气股份有限公司 | Mechanical property on-line detecting device |
CN106441060A (en) * | 2016-09-21 | 2017-02-22 | 山东大学 | Displacement monitoring device and method for arch circumference of tunnel slip-casting model test |
CN108086986A (en) * | 2018-01-24 | 2018-05-29 | 中铁工程装备集团机电工程有限公司 | A kind of shield reception steel bushing |
CN108166982A (en) * | 2018-01-31 | 2018-06-15 | 中铁隧道集团二处有限公司 | A kind of limit alarm device tunneled in shield machine steel bushing |
CN111206935A (en) * | 2018-11-22 | 2020-05-29 | 赤壁市亿德汽车配件有限公司 | Shield constructs to receive with sealed steel sleeve |
CN212458246U (en) * | 2020-07-06 | 2021-02-02 | 浙江工业大学 | Shield attitude measuring device in steel sleeve |
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2020
- 2020-07-06 CN CN202010641109.9A patent/CN111692958B/en active Active
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JPH10220170A (en) * | 1997-02-06 | 1998-08-18 | Toda Constr Co Ltd | Method and device for attitude detection for shield machine |
JP2001065284A (en) * | 1999-08-27 | 2001-03-13 | Taisei Corp | Structure of shield boring machine |
CN103983448A (en) * | 2014-05-27 | 2014-08-13 | 江苏森源电气股份有限公司 | Mechanical property on-line detecting device |
CN106441060A (en) * | 2016-09-21 | 2017-02-22 | 山东大学 | Displacement monitoring device and method for arch circumference of tunnel slip-casting model test |
CN108086986A (en) * | 2018-01-24 | 2018-05-29 | 中铁工程装备集团机电工程有限公司 | A kind of shield reception steel bushing |
CN108166982A (en) * | 2018-01-31 | 2018-06-15 | 中铁隧道集团二处有限公司 | A kind of limit alarm device tunneled in shield machine steel bushing |
CN111206935A (en) * | 2018-11-22 | 2020-05-29 | 赤壁市亿德汽车配件有限公司 | Shield constructs to receive with sealed steel sleeve |
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