CN111911200A - Shield constructs quick-witted slip casting pressure sensor detachable device - Google Patents
Shield constructs quick-witted slip casting pressure sensor detachable device Download PDFInfo
- Publication number
- CN111911200A CN111911200A CN202010935769.8A CN202010935769A CN111911200A CN 111911200 A CN111911200 A CN 111911200A CN 202010935769 A CN202010935769 A CN 202010935769A CN 111911200 A CN111911200 A CN 111911200A
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- China
- Prior art keywords
- pressure sensor
- grouting
- clamp
- joint body
- grouting pressure
- 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.)
- Pending
Links
- 238000007569 slipcasting Methods 0.000 title claims description 6
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 230000005641 tunneling Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a detachable device for a grouting pressure sensor of a shield tunneling machine, which comprises a T-shaped block, a hoop, a protective sleeve, the grouting pressure sensor, a rubber tube and a hard tube, wherein the T-shaped block comprises a connector body five, a connector body two, a connector body three and a connecting tube; the joint body II is connected with the joint body I at the end part of the rubber pipe through the grouting anchor ear I, and the joint body III is connected with the joint body IV at the end part of the hard pipe through the grouting anchor ear II, so that the whole device is convenient to disassemble and assemble. The invention has simple structure, convenient processing and assembly, convenient installation, disassembly and protection of the grouting pressure sensor and improves the performance of the grouting system of the shield machine.
Description
Technical Field
The invention relates to a detachable device for a grouting pressure sensor of a shield tunneling machine, and belongs to the technical field of tunnel construction machinery.
Background
In the shield construction, because there is the space between cutter head excavation diameter and the shield constructs quick-witted section of jurisdiction external diameter, simultaneously because the influence of factors such as geological conditions, groundwater, tunnel buried depth, tunnelling mode easily causes unfavorable phenomena such as geological deformation, section of jurisdiction platform staggering, tunnel leak water, consequently must pour into mortar into the space between section of jurisdiction and the soil layer in the shield constructs quick-witted propulsion process, guarantees that section of jurisdiction pressure is close to the soil water pressure of soil layer.
The grouting pressure sensor at the injection end of the shield pipeline is used as a core component for pressure feedback of the whole grouting system, and plays a good guiding role in controlling the whole grouting system, but the grouting sensor is subjected to strong impact of hard mortar medium in the construction process, an isolation flat diaphragm of the pressure sensor is easy to damage, the disassembly and replacement frequency is relatively high, meanwhile, the outside of the sensor is easy to be affected by external adverse factors such as collision, corrosion and the like in the grouting process, and the working performance and efficiency of the grouting pressure sensor directly influence the progress of the whole operation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a detachable device for a grouting pressure sensor of a shield tunneling machine aiming at the defects in the prior art.
In order to solve the technical problem, the invention provides a detachable device of a grouting pressure sensor of a shield machine, which comprises a T-shaped block, a hoop, a protective sleeve, the grouting pressure sensor, a rubber tube and a hard tube, wherein the T-shaped block comprises a connector body five, a connector body two, a connector body three and a connecting tube; the joint body II is connected with the joint body I at the end part of the rubber pipe through the grouting anchor ear I, and the joint body III is connected with the joint body IV at the end part of the hard pipe through the grouting anchor ear II, so that the whole device is convenient to disassemble and assemble.
And the joint body II, the joint body III and the joint body V of the T-shaped block are respectively provided with a groove and are respectively used for mounting a grouting sealing ring I, a grouting sealing ring II and a polytetrafluoroethylene gasket so as to ensure the sealing property.
A stepped hole is formed in the connector body five, and the grouting pressure sensor is installed in the stepped hole.
The clamp includes clamp and lower clamp, it is semi-circular structure and all is equipped with three seat ear with lower clamp to go up the clamp, and the seat ear at clamp both ends is used for connecting fastening slip casting pressure sensor and T type piece, and middle seat ear is used for the installation of protective sheath fixed.
The protective sleeve comprises a first seat lug, a second seat lug, a sleeve, an end cover, a dustproof joint and a hexagon nut, wherein the first seat lug and the second seat lug are symmetrically fixed at the bottom of the sleeve and are respectively connected with the upper clamp and the lower clamp through a first bolt, a first washer, a second bolt and a second washer; the end cover is a circle with a hole in the middle and is fixed at the top of the sleeve.
The dustproof joint is installed through hexagon nut in end cover trompil department, is convenient for walk the line and prevents dust pollution.
Has the advantages that: the invention is connected with the grouting hard pipe and the pressure sensor only through the hoop, has simple structure and convenient disassembly and maintenance, and simultaneously, the detachable safety protection cover is added outside the pressure sensor, thereby effectively preventing the interference of the external environment to the sensor and ensuring the normal operation of the construction progress. The invention has simple structure, convenient processing and assembly, convenient installation, disassembly and protection of the grouting pressure sensor and improves the performance of the grouting system of the shield machine.
Drawings
FIG. 1 is a schematic front sectional view of the structure of the present invention;
FIG. 2 is a schematic top plan view of the structure of the present invention;
FIG. 3 is a schematic front sectional view of the T-block of the present invention;
FIG. 4 is a front sectional view of the protective cover and the dust cover assembly of the present invention;
FIG. 5 is a top view of the protective cover and dust boot of the present invention;
fig. 6 is a schematic view of a band of the present invention.
FIG. 7 is a schematic view of the T-block, the connector body and the sensor assembly of the present invention.
In the figure: 1 grouting seal ring I, 2 joint body I, 3 rubber tube, 4 joint body II, 5 connecting tube, 6 joint body III, 7 grouting seal ring II, 8 hard tube, 9 joint body IV, 10 upper clamp, 11 seat ear I, 12 bolt I, 13 gasket I, 14 sleeve, 15 end cover, 16 dustproof joint, 17 hexagon nut, 18 bolt II, 19 gasket II, 20 seat ear II, 21 lower clamp, 22 polytetrafluoroethylene gasket, 23 joint body V, 24 grouting clamp I, 25 bolt III, 26 gasket III, 27 nut I, 28 grouting clamp II, 29 bolt IV, 30 gasket IV, 31 nut II and 32 grouting pressure sensor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
FIG. 1 is a schematic front sectional view of the structure of the present invention.
Fig. 2 is a schematic front plan view of the present invention.
The invention provides a detachable device of a grouting pressure sensor of a shield tunneling machine, which comprises a T-shaped block, a hoop, a protective sleeve, a grouting pressure sensor 32, a rubber tube 3 and a hard tube 8, wherein the T-shaped block comprises a connector body five 23, a connector body two 4, a connector body three 6 and a connecting tube 5, the grouting pressure sensor 32 is installed on the connector body five 23, the connector body five 23 is provided with the protective sleeve through the hoop for protecting the grouting pressure sensor 32, and the grouting pressure sensor 32 receives a pressure signal and feeds the pressure signal back to a grouting control system; the joint body II 4 is connected with the joint body I2 at the end part of the rubber pipe 3 through a grouting hoop I24, and the joint body III 6 is connected with the joint body IV 9 at the end part of the hard pipe 8 through a grouting hoop II 28, so that the whole device is convenient to disassemble and assemble.
FIG. 3 is a schematic front sectional view of the T-block of the present invention.
The joint body II 4, the joint body III 6 and the joint body V23 of the T-shaped block are respectively provided with a groove (the grooves are shown by arrows in figure 3), and the grooves are respectively used for mounting a grouting sealing ring I1, a grouting sealing ring II 7 and a polytetrafluoroethylene gasket 22 so as to ensure the sealing property.
A stepped hole is formed in the connector body five 23, and the grouting pressure sensor 32 is installed in the stepped hole.
Fig. 6 shows a schematic view of a clamp according to the present invention.
Fig. 7 is a schematic view showing the installation of the T-block, the connector body five and the sensor according to the present invention.
The clamp includes clamp 10 and lower clamp 21, it is semicircular structure and all is equipped with three seat ear (seat ear structure and distribution are shown as the arrow in figure 6) to go up clamp 10 and lower clamp 21, and the seat ear at clamp both ends is respectively through a bolt three 25, a packing ring three 26 and a nut 27 to and a bolt four 29, a packing ring four 30 and two 31 connection fastening slip casting pressure sensor 32 and T type piece, and the seat ear in the middle of is used for the installation of protective sheath to be fixed.
FIG. 4 is a front sectional view of the protective cover and dust cover assembly of the present invention.
FIG. 5 is a top view of the protective cover and dust boot of the present invention.
The protective sleeve comprises a first seat lug 11, a second seat lug 20, a sleeve 14, an end cover 15, a dustproof joint 16 and a hexagon nut 17, wherein the first seat lug 11 and the second seat lug 20 are symmetrically fixed at the bottom of the sleeve 14 and are respectively connected with middle seat lugs of the upper clamp 10 and the lower clamp 21 through a first bolt 12, a first washer 13, a second bolt 18 and a second washer 19; the end cover 15 is a circular structure with a hole in the middle and is fixed on the top of the sleeve 14.
And a dustproof joint 16 is arranged at the opening of the end cover 15 through a hexagonal nut 17, so that wiring and dust pollution prevention are facilitated.
The invention is connected with the grouting hard pipe and the pressure sensor only through the hoop, has simple structure and convenient disassembly and maintenance, and simultaneously, the detachable safety protection cover is added outside the pressure sensor, thereby effectively preventing the interference of the external environment to the sensor and ensuring the normal operation of the construction progress.
The invention has simple structure, convenient processing and assembly, convenient installation, disassembly and protection of the grouting pressure sensor and improves the performance of the grouting system of the shield machine.
The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (6)
1. The utility model provides a shield constructs quick-witted slip casting pressure sensor detachable device which characterized in that: the grouting pressure sensor comprises a T-shaped block, a clamp, a protective sleeve, a grouting pressure sensor (32), a rubber pipe (3) and a hard pipe (8), wherein the T-shaped block comprises a connector body five (23), a connector body two (4), a connector body three (6) and a connecting pipe (5), the grouting pressure sensor (32) is installed on the connector body five (23), the connector body five (23) is provided with the protective sleeve through the clamp to be used for protecting the grouting pressure sensor (32), and the grouting pressure sensor (32) receives a pressure signal and feeds the pressure signal back to a grouting control system; the joint body II (4) is connected with the joint body I (2) at the end part of the rubber pipe (3) through the grouting hoop I (24), and the joint body III (6) is connected with the joint body IV (9) at the end part of the hard pipe (8) through the grouting hoop II (28), so that the whole device is convenient to disassemble and assemble.
2. The detachable device for the grouting pressure sensor of the shield tunneling machine according to claim 1, characterized in that: and the joint body II (4), the joint body III (6) and the joint body V (23) of the T-shaped block are provided with grooves which are respectively used for mounting a grouting sealing ring I (1), a grouting sealing ring II (7) and a polytetrafluoroethylene gasket (22) so as to ensure the sealing property.
3. The detachable device for the grouting pressure sensor of the shield tunneling machine according to claim 1, characterized in that: a stepped hole is formed in the connector body five (23), and a grouting pressure sensor (32) is installed in the stepped hole.
4. The detachable device for the grouting pressure sensor of the shield tunneling machine according to claim 1, characterized in that: the clamp includes clamp (10) and lower clamp (21), go up clamp (10) and clamp (21) down and be semi-circular structure and all be equipped with three seat ear, the seat ear at clamp both ends is used for connecting fastening slip casting pressure sensor (32) and T type piece, and the installation that middle seat ear is used for the protective sheath is fixed.
5. The detachable device for the grouting pressure sensor of the shield tunneling machine according to claim 1, characterized in that: the protective sleeve comprises a first seat lug (11), a second seat lug (20), a sleeve (14), an end cover (15), a dustproof joint (16) and a hexagon nut (17), wherein the first seat lug (11) and the second seat lug (20) are symmetrically fixed at the bottom of the sleeve (14) and are respectively connected with an upper clamp (10) and a lower clamp (21) through a first bolt (12), a first gasket (13), a second bolt (18) and a second gasket (19); the end cover (15) is a round with a hole in the middle and is fixed on the top of the sleeve (14).
6. The detachable device for the grouting pressure sensor of the shield tunneling machine according to any one of claims 1-5, characterized in that: dustproof joints (16) are installed at the opening of the end cover (15) through hexagonal nuts (17), so that wiring and dust pollution prevention are facilitated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935769.8A CN111911200A (en) | 2020-09-08 | 2020-09-08 | Shield constructs quick-witted slip casting pressure sensor detachable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935769.8A CN111911200A (en) | 2020-09-08 | 2020-09-08 | Shield constructs quick-witted slip casting pressure sensor detachable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911200A true CN111911200A (en) | 2020-11-10 |
Family
ID=73266813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010935769.8A Pending CN111911200A (en) | 2020-09-08 | 2020-09-08 | Shield constructs quick-witted slip casting pressure sensor detachable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911200A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665989A (en) * | 2020-12-10 | 2021-04-16 | 中交第二公路勘察设计研究院有限公司 | Surrounding rock pressure detection device and method for pressure injection type concrete supporting tunnel |
-
2020
- 2020-09-08 CN CN202010935769.8A patent/CN111911200A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665989A (en) * | 2020-12-10 | 2021-04-16 | 中交第二公路勘察设计研究院有限公司 | Surrounding rock pressure detection device and method for pressure injection type concrete supporting tunnel |
| CN112665989B (en) * | 2020-12-10 | 2024-03-12 | 中交第二公路勘察设计研究院有限公司 | Surrounding rock pressure detection device and method for pressure injection type concrete support tunnel |
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