CN112483100B - Soil pressure sensor, valve replacing tool and replacing method thereof - Google Patents
Soil pressure sensor, valve replacing tool and replacing method thereof Download PDFInfo
- Publication number
- CN112483100B CN112483100B CN202110000889.3A CN202110000889A CN112483100B CN 112483100 B CN112483100 B CN 112483100B CN 202110000889 A CN202110000889 A CN 202110000889A CN 112483100 B CN112483100 B CN 112483100B
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- Prior art keywords
- valve
- pressure sensor
- sleeve
- soil pressure
- piston
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- 239000002689 soil Substances 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000005192 partition Methods 0.000 claims abstract description 33
- 230000007704 transition Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
-
- 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
-
- 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 discloses a soil pressure sensor, a valve replacing tool and a replacing method thereof, and solves the problems that in the prior art, the sealing of the soil pressure sensor on a front partition plate of a soil bin and the replacement of a valve are not easy. The soil pressure sensor and valve replacing tool comprises a sleeve and a block cover plate, wherein the block cover plate is detachably arranged on the sleeve, a piston is arranged in the sleeve, the piston is movably connected with the sleeve through a driving piece, and a radial expansion sealing piece is arranged between the sleeve and the piston. According to the invention, through replacing the tool, damaged valve sealing and valve replacement can be completed under the condition that the pressure of the soil bin is not reduced, on one hand, ground surface settlement is well controlled, on the other hand, damaged parts can be rapidly replaced, and the risk of water inflow in the main engine is avoided; and the construction safety factor is improved.
Description
Technical Field
The invention relates to the technical field of shield tunneling, in particular to a soil pressure sensor and valve replacing tool and a replacing method thereof.
Background
The shield machine is used as advanced tunnel construction equipment and widely applied to construction of urban subway tunnels. The current widely applied shield machines are earth pressure balance shield machines and slurry balance shield machines, and the essence of the shield machines is that the pressure of an excavation surface is balanced by building pressure in an earth bin or a slurry bin so as to control the deformation of a tunnel and the surface settlement. If the pressure of the soil bin is too high or too low, the ground can be raised or sunk. Therefore, in order to better and more quickly control the ground surface settlement, an earth pressure sensor is arranged in the earth bin to monitor the earth bin pressure in the excavation process of the shield tunneling machine. However, in the tunneling process, when the tunnel face is exposed to soft soil strata such as sand layers and silty clay and the buried depth is shallow, and the ground surface settlement is difficult to control, the soil bin needs pressure to support the tunnel face, and if the isolated seal or valve of the soil pressure sensor and the soil bin is damaged at the moment, the residue soil in the soil bin leaks into the host machine, so that certain risk is caused to the construction. The former soil pressure sensor replacing tool can only replace the components of the soil pressure sensor under the condition of belt pressure, and the sealing and the valve of the soil pressure sensor cannot be replaced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a soil pressure sensor, a valve replacing tool and a replacing method thereof, and solves the problems that the sealing of the soil pressure sensor on a soil bin and the valve are not easy to replace in the prior art.
The technical scheme of the invention is realized as follows: the utility model provides a frock is changed to soil pressure sensor and valve, includes sleeve and piecemeal apron, and the setting can be dismantled on the sleeve to the piecemeal apron, be equipped with the piston in the sleeve, the piston passes through driving piece and sleeve swing joint, is equipped with radial expansion sealing member between sleeve and the piston.
Preferably, the sleeve is a cylinder with an opening at one end, one end of the piston is provided with a positioning convex ring, the other end of the piston is connected with the driving piece, the outer diameter of the positioning convex ring is larger than the inner diameter of the sleeve, the radial expansion sealing piece is positioned between the positioning convex ring and the sleeve, and a second sealing piece is arranged between the piston and the inner wall of the sleeve.
Preferably, the driving member comprises a threaded rod and a nut fixed on the sleeve, one end of the threaded rod is fixed on the piston, and the other end of the threaded rod extends out of the sleeve and is in threaded fit with the nut.
Preferably, the blocking cover plate comprises a left semicircular plate and a right semicircular plate, and the left semicircular plate and the right semicircular plate are respectively provided with a yielding semicircular hole. And a first bolt connected with the sleeve and a second bolt connected with the valve are arranged on the left semicircular plate and the right semicircular plate.
When the valve or the valve seal is replaced, the driving piece is fixed through the jacking device. The jacking device comprises a plurality of detachably connected fixing rods. Preferably, the fixing rod comprises a transition fixing rod and a plurality of connecting fixing rods, a first threaded hole used for being connected with a threaded rod of the driving piece is formed in the front end of the transition fixing rod, a connecting threaded hole is formed in the rear end of the transition fixing rod, a connecting stud is arranged at one end of the connecting fixing rod, a connecting threaded hole is formed in the other end of the connecting fixing rod, and the connecting stud is matched with the adjacent connecting threaded hole.
A method for replacing a soil pressure sensor and a valve replacing tool comprises the following steps: s1: the soil pressure sensor is detached from the valve, and the sleeve, the piston and the radial expansion sealing element are arranged at the original position of the soil pressure sensor; s2: the threaded rod of the driving piece is rotated, and the piston extrudes the radial expansion sealing piece to ensure the circumferential sealing property of the sleeve; s3: mounting a fixed rod until the fixed rod is tightly propped against the rear partition plate; s4: removing the block cover plate, removing the valve and/or the valve seal, and pushing the removed valve and/or the valve seal to be closest to the rear partition plate; s5: rotating the connecting fixing rod closest to the rear partition plate to separate the connecting fixing rod from the rear partition plate, leaving a valve and/or valve seal dismounting space, dismounting the dismounted valve and/or valve seal, sleeving a new valve and/or valve seal on the connecting fixing rod of the fixing rod, and then tightly ejecting the connecting fixing rod closest to the rear partition plate on the rear partition plate again; s6: fixing the new valve and/or the new valve on the front partition plate in a sealing manner, and then fixing the block cover plate on the new valve; s7: and (4) removing the fixed rod, the piston and the sleeve, and then installing the soil pressure sensor into the front partition plate and the new valve.
The specific steps of step S1 are as follows:
s1.1: loosening the connection between the soil pressure sensor and the valve, and slowly drawing the soil pressure sensor outwards;
s1.2: when the inner end surface of the soil pressure sensor is level with the inner fracture surface of the valve, the soil pressure sensor stops being pulled outwards, then the connection between the valve and the front partition plate is disconnected, and the valve is pushed downwards to plug the mounting cavity opening of the soil pressure sensor;
s1.3: the soil pressure sensor is detached from the valve, then a sleeve, a piston and a radial expansion sealing element of the replacement tool are mounted on the valve and fixed through a block cover plate;
s1.4: and then the valve is pushed upwards, the replacing tool is aligned to the mounting cavity of the soil pressure sensor, and then the sleeve, the piston and the radial expansion sealing element are pushed into the original position of the soil pressure sensor.
According to the invention, through replacing the tool, damaged valve sealing and valve replacement can be completed under the condition that the pressure of the soil bin is not reduced, on one hand, ground surface settlement is well controlled, on the other hand, damaged parts can be rapidly replaced, and the risk of water inflow in the main engine is avoided; and the construction safety factor is improved. The adjustable radial expansion sealing element is arranged in a sand layer with larger water content, a soft soil stratum such as silty clay and the like or a stratum with strict ground surface settlement control requirement, ensures to keep consistent with the soil pressure, realizes that the damaged sealing and valve on the base of the soil pressure sensor can be safely and efficiently replaced under the condition of pressure (or high pressure) of a soil bin, and has high fusion with a shield, wide application range and higher popularization value.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural view of a replacement tool of the present invention.
FIG. 2 is a schematic view of a block cover plate structure according to the present invention.
Fig. 3 is a schematic view of the installation of the soil pressure sensor.
Fig. 4 is a schematic view of an initial position of the replacement tool installed on the valve.
FIG. 5 is a schematic view of the replacement tooling installed in the valve and aligned with the installation cavity.
Fig. 6 is a schematic view of a tool replacement entering the installation cavity.
FIG. 7 is a schematic view of a radially expanding seal in an uncompressed state.
FIG. 8 is a schematic view of a radially expanding seal in a compressed state.
FIG. 9 is a schematic view of the state that the tightening device is tightened on the rear partition.
Fig. 10 is a schematic view showing a state where the block cover is detached.
Fig. 11 is a schematic view of the disassembled valve.
FIG. 12 is a schematic view of the partition after the tightening device is detached.
Fig. 13 is a schematic view of a connecting rod.
Fig. 14 is a schematic view showing a state where the soil pressure sensor is removed.
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.
As shown in fig. 1, embodiment 1, a frock is changed to soil pressure sensor and valve, including sleeve 3 and piecemeal apron 5, piecemeal apron 5 can dismantle the setting on sleeve 3 through screw or bolt, be equipped with piston 1 in the sleeve 3, piston 1 passes through driving piece and sleeve 3 swing joint, and the piston can relative sleeve motion under the effect of driving piece, is equipped with radial expansion sealing member 2 between sleeve 3 and the piston 1, and radial expansion sealing member takes place radial and axial deformation under the extrusion of piston, seals between sleeve and preceding baffle (former soil pressure sensor installation cavity), prevents that dregs or mud in the soil storehouse from leaking.
Further, sleeve 3 is one end open-ended barrel, and the one end of piston 1 is equipped with location bulge loop 11, the other end is connected with the driving piece, and the external diameter of location bulge loop 11 is greater than sleeve 3's internal diameter for carry out spacing fixed to radial expansion sealing member, radial expansion sealing member 2 is located between location bulge loop 11 and the 3 open ends of sleeve, and piston motion extrudees radial expansion sealing member and makes it take place to deform, improves the leakproofness. Be equipped with second sealing member 4 between piston 1 and the 3 inner walls of sleeve, radial expansion sealing member and second sealing member all adopt rubber seal, improve the leakproofness of changing the frock. A plurality of radial expansion sealing elements can be arranged on the sleeve as required, and the circumferential sealing property of the sleeve is improved.
Further, the driving piece includes threaded rod 7 and fixes nut 6 on sleeve 3, and the one end of threaded rod 7 is fixed on piston 1 (or set up with piston integrated into one piece), and the other end stretches out sleeve 3 and with nut 6 screw-thread fit. The threaded rod is rotated to drive the piston to move in the sleeve, and then whether the radial expansion sealing element is compressed or not is realized.
Further, as shown in fig. 2, the block cover plate 5 includes a left semicircular plate 51 and a right semicircular plate 52, and the left semicircular plate 51 and the right semicircular plate 52 can be assembled into a completed circular cover plate for fixing the sleeve. The left semicircular plate 51 and the right semicircular plate 52 are respectively provided with a yielding semicircular hole 53 for yielding the nut, so that interference with the nut is prevented. And the left semicircular plate 51 and the right semicircular plate 52 are respectively provided with a first bolt 8 connected with the sleeve 3 and a second bolt 10 connected with the valve 12, so that the detachable connection with the sleeve and the valve is realized respectively.
As shown in fig. 1 and 13, in embodiment 2, the soil pressure sensor and the valve replacing tool are used for replacing a valve and/or a valve seal, a driving piece is fixed through a jacking device, the valve seal is arranged between a front partition plate and the valve, and the jacking device compresses a piston and a sleeve through the driving piece, so that the phenomenon that the piston and the sleeve are unstable due to overlarge pressure in a soil bin is prevented. The jacking device comprises a plurality of detachably connected fixing rods 9 which are pushed tightly on the rear partition plate, and the mounting position on the front partition plate is firstly supported by the rear partition plate. The fixing rod 9 comprises a transition fixing rod 91 and a plurality of connecting fixing rods 92, and the axes of the transition fixing rod 91 and the connecting fixing rods 92 are positioned on the same straight line, so that the supporting stability is ensured. The front end of transition dead lever 91 is equipped with the first screw hole 93 that is used for being connected with the threaded rod 7 of driving piece, and the rear end of transition dead lever 91 is equipped with connecting thread hole 95, the one end of connecting dead lever 92 is equipped with connecting stud 94, and the other end is equipped with connecting thread hole 95, and connecting stud 94 cooperatees with adjacent connecting thread hole 95, through rotating the connecting dead lever, realizes two continuous regulation of connecting the dead lever total length, uses more in a flexible way. The other structure is the same as embodiment 1.
Example 3: the method for replacing the soil pressure sensor and the valve replacing tool in embodiment 2 comprises the following steps: s1: the soil pressure sensor 13 is detached from the valve 12, and the sleeve 3, the piston 1 and the radially expandable seal 2 are mounted at the original position of the soil pressure sensor 13, as shown in fig. 3. The method comprises the following specific steps: s1.1: loosening the connecting bolt between the soil pressure sensor 13 and the valve, moving the nut on the guide rod backwards, and then slowly ejecting the soil pressure sensor outwards by using the ejector rod bolt, namely slowly drawing the soil pressure sensor outwards, as shown in fig. 14; s1.2: when the inner end surface of the soil pressure sensor 13 is flush with the inner section surface of the valve, the soil pressure sensor stops being pulled outwards, then the connection between the valve and the front partition plate is disconnected, and the valve is pushed downwards to plug the mounting cavity opening of the soil pressure sensor, as shown in fig. 4; s1.3: the soil pressure sensor 13 is detached from the valve, and then the tooling-replacement sleeve 3, the piston 1 and the radial expansion seal 2 are mounted on the valve and fixed by the block cover plate 5, as shown in fig. 5; s1.4: then, the valve is pushed upwards, so that the replacement tool is aligned to the mounting cavity of the soil pressure sensor, as shown in fig. 6; and then the sleeve 3, the piston 1 and the radial expansion seal 2 are pushed into the original position of the soil pressure sensor 13, as shown in fig. 7.
S2: the threaded rod 7 of the driving piece is rotated, the piston 1 extrudes the radial expansion sealing element 2, and the circumferential sealing performance of the sleeve 3 is ensured, as shown in fig. 8; s3: installing the fixing rod 9 until the fixing rod 9 is tightly pressed on the rear partition 15, as shown in fig. 9;
s4: removing the segmented cover plate 5, as shown in fig. 10, then removing the valve 12 and/or valve seal 16 (valve damage can be replacement of only the valve, valve seal damage can be replacement of only the valve seal, or both) and pushing the removed valve and/or valve seal to the nearest proximity of the back spacer 15;
s5: as shown in fig. 11 and 12, the connecting and fixing rod 92 closest to the rear partition 15 is rotated to separate the connecting and fixing rod 92 from the rear partition 15, leaving a space for detaching the valve and/or the valve seal, the detached valve and/or the valve seal is detached, a new valve and/or the valve seal is sleeved on the connecting and fixing rod 92 of the fixing rod 9, and then the connecting and fixing rod 92 closest to the rear partition 15 is pressed against the rear partition again;
s6: fixing the new valve and/or the new valve on the front partition plate 14 in a sealing manner, and then fixing the block cover plate 5 on the new valve;
s7: and (3) removing the fixing rod 9, the piston 1 and the sleeve 3, and then installing the soil pressure sensor into the front partition plate 14 and the new 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 (8)
1. The utility model provides a frock is changed to soil pressure sensor and valve which characterized in that: the sealing device comprises a sleeve (3) and a blocking cover plate (5), wherein the blocking cover plate (5) is detachably arranged on the sleeve (3) and a valve (12), a piston (1) is arranged in the sleeve (3), the piston (1) is movably connected with the sleeve (3) through a driving piece, and a radial expansion sealing element (2) is arranged between the sleeve (3) and the piston (1);
the sleeve (3) is a cylinder with an opening at one end, one end of the piston (1) is provided with a positioning convex ring (11), the other end of the piston is connected with a driving piece, and the driving piece is fixed by a jacking device when a valve and/or a valve seal is replaced; the jacking device comprises a plurality of detachably connected fixed rods (9).
2. The soil pressure sensor and valve replacing tool according to claim 1, wherein: the outer diameter of the positioning convex ring (11) is larger than the inner diameter of the sleeve (3), the radial expansion sealing element (2) is positioned between the positioning convex ring (11) and the sleeve (3), and a second sealing element (4) is arranged between the piston (1) and the inner wall of the sleeve (3).
3. The soil pressure sensor and valve replacing tool according to claim 2, wherein: the driving piece comprises a threaded rod (7) and a nut (6) fixed on the sleeve (3), one end of the threaded rod (7) is fixed on the piston (1), and the other end of the threaded rod extends out of the sleeve (3) and is in threaded fit with the nut (6).
4. The soil pressure sensor and valve replacing tool according to any one of claims 1-3, wherein: the blocking cover plate (5) comprises a left semicircular plate (51) and a right semicircular plate (52), and a yielding semicircular hole (53) is formed in the left semicircular plate (51) and the right semicircular plate (52).
5. The soil pressure sensor and valve replacing tool according to claim 4, wherein: and the left semicircular plate (51) and the right semicircular plate (52) are respectively provided with a first bolt (8) connected with the sleeve (3) and a second bolt (10) connected with the valve (12).
6. The soil pressure sensor and valve replacing tool according to any one of claims 1-3 and 5, wherein: the fixing rod (9) comprises a transition fixing rod (91) and a plurality of connecting fixing rods (92), a first threaded hole (93) used for being connected with a threaded rod (7) of the driving piece is formed in the front end of the transition fixing rod (91), a connecting threaded hole (95) is formed in the rear end of the transition fixing rod (91), a connecting stud (94) is arranged at one end of the connecting fixing rod (92), a connecting threaded hole (95) is formed in the other end of the connecting fixing rod, and the connecting stud (94) is matched with the adjacent connecting threaded hole (95).
7. The method for replacing the soil pressure sensor and the valve replacing tool according to claim 6, wherein the method comprises the following steps: the method comprises the following steps: s1: the soil pressure sensor (13) is detached from the valve (12), and the sleeve (3), the piston (1) and the radial expansion seal (2) are arranged at the original position of the soil pressure sensor (13);
s2: the threaded rod (7) of the driving piece is rotated, the piston (1) extrudes the radial expansion sealing piece (2), and the circumferential sealing performance of the sleeve (3) is ensured;
s3: mounting a fixed rod (9) until the fixed rod (9) is tightly propped against the rear partition plate (15);
s4: removing the segmented cover plate (5), then removing the valve (12) and/or the valve seal (16), and pushing the removed valve and/or valve seal to be closest to the rear partition (15);
s5: rotating the connecting fixing rod (92) which is closest to the rear partition plate (15) to separate the connecting fixing rod (92) from the rear partition plate (15), reserving a valve and/or valve seal dismounting space, dismounting the dismounted valve and/or valve seal, sleeving a new valve and/or valve seal on the connecting fixing rod (92) of the fixing rod (9), and then tightly pushing the connecting fixing rod (92) which is closest to the rear partition plate (15) against the rear partition plate again;
s6: fixing the new valve and/or the new valve on the front partition plate (14) in a sealing manner, and then fixing the block cover plate (5) on the new valve;
s7: and (3) removing the fixing rod (9), the piston (1) and the sleeve (3), and then installing the soil pressure sensor into the front partition plate (14) and the new valve.
8. The method for replacing the soil pressure sensor and the valve replacing tool according to claim 7, wherein the method comprises the following steps: the specific steps of step S1 are as follows:
s1.1: loosening the connection between the soil pressure sensor (13) and the valve, and slowly drawing the soil pressure sensor outwards;
s1.2: when the inner end face of the soil pressure sensor (13) is level with the inner end face of the valve, the soil pressure sensor stops being pulled outwards, then the connection between the valve and the front partition plate is disconnected, and the valve is pushed downwards to plug the mounting cavity opening of the soil pressure sensor;
s1.3: the soil pressure sensor (13) is detached from the valve, and then a sleeve (3), a piston (1) and a radial expansion sealing element (2) of the replacement tool are installed on the valve and fixed through a block cover plate (5);
s1.4: and then the valve is pushed upwards, the replacing tool is aligned to the mounting cavity of the soil pressure sensor, and then the sleeve (3), the piston (1) and the radial expansion sealing element (2) are pushed into the original position of the soil pressure sensor (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110000889.3A CN112483100B (en) | 2021-01-04 | 2021-01-04 | Soil pressure sensor, valve replacing tool and replacing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110000889.3A CN112483100B (en) | 2021-01-04 | 2021-01-04 | Soil pressure sensor, valve replacing tool and replacing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112483100A CN112483100A (en) | 2021-03-12 |
| CN112483100B true CN112483100B (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110000889.3A Active CN112483100B (en) | 2021-01-04 | 2021-01-04 | Soil pressure sensor, valve replacing tool and replacing method thereof |
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| Country | Link |
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| CN (1) | CN112483100B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115401486B (en) * | 2022-09-27 | 2024-02-20 | 江苏神通核能装备有限公司 | Processing tool for valve sealing piece for nuclear power station |
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| CN108331586A (en) * | 2018-02-14 | 2018-07-27 | 上海隧道工程有限公司 | Soil pressure case safe replacement device |
| CN207761646U (en) * | 2017-12-21 | 2018-08-24 | 北方重工装备（沈阳）有限公司 | A kind of full face tunnel boring machine rotating disc type soil pressure case more changing device |
| CN207944950U (en) * | 2018-03-15 | 2018-10-09 | 中铁工程装备集团有限公司 | One kind being conveniently replaceable formula water injector |
| CN109866176A (en) * | 2019-04-09 | 2019-06-11 | 武汉市天然气有限公司 | A kind of split type replacing valve tool and its application method |
| CN111335908A (en) * | 2020-04-23 | 2020-06-26 | 鞍山汉洋科技装备有限公司 | Novel shield constructs quick-witted soil pressure sensor can dismantle device |
| CN211900608U (en) * | 2020-02-14 | 2020-11-10 | 中铁六局集团有限公司 | Soil pressure sensor changes auxiliary device |
| CN112113696A (en) * | 2020-09-27 | 2020-12-22 | 中铁工程装备集团有限公司 | Pressure measurement system for excavation cabin of heading machine and application method thereof |
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2021
- 2021-01-04 CN CN202110000889.3A patent/CN112483100B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000097788A (en) * | 1998-09-22 | 2000-04-07 | Minebea Co Ltd | Earth pressure gauge |
| JP2000097787A (en) * | 1998-09-25 | 2000-04-07 | Shimadzu Corp | Earth pressure meter |
| CN201539258U (en) * | 2009-06-03 | 2010-08-04 | 北京华隧通掘进装备有限公司 | Soil pressure sensor mounting seat for shield machine |
| CN206753586U (en) * | 2017-03-15 | 2017-12-15 | 中铁工程装备集团有限公司 | A kind of shield machine multipurpose detection means |
| CN207761646U (en) * | 2017-12-21 | 2018-08-24 | 北方重工装备（沈阳）有限公司 | A kind of full face tunnel boring machine rotating disc type soil pressure case more changing device |
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| CN108331586A (en) * | 2018-02-14 | 2018-07-27 | 上海隧道工程有限公司 | Soil pressure case safe replacement device |
| CN207944950U (en) * | 2018-03-15 | 2018-10-09 | 中铁工程装备集团有限公司 | One kind being conveniently replaceable formula water injector |
| CN109866176A (en) * | 2019-04-09 | 2019-06-11 | 武汉市天然气有限公司 | A kind of split type replacing valve tool and its application method |
| CN211900608U (en) * | 2020-02-14 | 2020-11-10 | 中铁六局集团有限公司 | Soil pressure sensor changes auxiliary device |
| CN111335908A (en) * | 2020-04-23 | 2020-06-26 | 鞍山汉洋科技装备有限公司 | Novel shield constructs quick-witted soil pressure sensor can dismantle device |
| CN112113696A (en) * | 2020-09-27 | 2020-12-22 | 中铁工程装备集团有限公司 | Pressure measurement system for excavation cabin of heading machine and application method thereof |
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| Publication number | Publication date |
|---|---|
| CN112483100A (en) | 2021-03-12 |
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Denomination of invention: A tool for replacing earth pressure sensor and valve and its replacement method Effective date of registration: 20221226 Granted publication date: 20220405 Pledgee: China Construction Bank Corporation Zhengzhou Railway Sub Branch Pledgor: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP Co.,Ltd. Registration number: Y2022980029005 |
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Granted publication date: 20220405 Pledgee: China Construction Bank Corporation Zhengzhou Railway Sub Branch Pledgor: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP Co.,Ltd. Registration number: Y2022980029005 |