CN115434726A - Device for construction of dual-mode TBM through water-rich stratum and using method thereof - Google Patents
Device for construction of dual-mode TBM through water-rich stratum and using method thereof Download PDFInfo
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- CN115434726A CN115434726A CN202210975796.7A CN202210975796A CN115434726A CN 115434726 A CN115434726 A CN 115434726A CN 202210975796 A CN202210975796 A CN 202210975796A CN 115434726 A CN115434726 A CN 115434726A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 claims abstract description 23
- 230000008595 infiltration Effects 0.000 claims abstract description 7
- 238000001764 infiltration Methods 0.000 claims abstract description 7
- 238000007569 slipcasting Methods 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 5
- 239000011440 grout Substances 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims description 43
- 230000035515 penetration Effects 0.000 claims description 23
- 238000005086 pumping Methods 0.000 claims description 23
- 230000006698 induction Effects 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 13
- 230000002159 abnormal effect Effects 0.000 claims description 9
- 239000004568 cement Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 230000002902 bimodal effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008093 supporting effect Effects 0.000 description 15
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000005755 formation reaction Methods 0.000 description 9
- 230000009977 dual effect Effects 0.000 description 7
- 238000003032 molecular docking Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 239000011435 rock Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 239000011268 mixed slurry Substances 0.000 description 5
- 239000008187 granular material Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000005641 tunneling Effects 0.000 description 4
- 230000001976 improved effect Effects 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- -1 light Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
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- 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
-
- 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
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- Architecture (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
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Abstract
The invention provides a device for construction of a dual-mode TBM (tunnel boring machine) through a water-rich stratum and a using method thereof, belonging to the technical field of TBM equipment and comprising a pipe body; the movable groove is formed in the circumferential surface of the pipe body, and two mud blocking rings are fixedly connected to the inner wall of the movable groove; the moving ring is arranged between the inner walls of the moving grooves, the circumferential surface of the moving ring is provided with a rotating groove, and a sealing mechanism is arranged between the moving ring and the two mud blocking rings; control the motor through the control box and start, the output of motor drives the driving gear and rotates, the driving gear drives driven gear rotatory through the meshing with driven gear, driven gear drives the rotation cover through the meshing with crown gear and rotates for the grout mouth is rotatory to the infiltration point around the shifting chute, with the infiltration point alignment, realize quick alignment, change the slip casting mode, avoid TBM to receive the operation space restriction, the infiltration point is aimed at to the accuracy, improve the stifled water effect of slip casting.
Description
Technical Field
The invention belongs to the technical field of TBM equipment, and particularly relates to a device for construction of a dual-mode TBM through a water-rich stratum and a using method thereof.
Background
TBM (full face) tunnel boring machine. It is divided into an open tunnel boring machine and a generalized shield machine.
Broad meaning: the parallel continuous operation of the construction procedures of tunneling, supporting, slag tapping and the like is an industrial assembly line tunnel construction device integrated by systems of machines, electricity, liquid, light, gas and the like, has the advantages of high tunneling speed, environmental protection, high comprehensive benefit and the like, can realize the construction of a long tunnel deeply buried in complex geographic landforms which is difficult to realize by the traditional drilling and blasting method, and is rapidly increased in tunnel engineering of China railways, hydropower, traffic, mines, municipal works and the like.
The narrow meaning: a full-face tunnel boring machine is called a (narrow sense) shield machine for a hard rock TBM (hard rock TBM) for a rock stratum and for a soft soil stratum in china.
In contrast to the shield machine in narrow sense, the TBM is called "king of heading machine" of construction machinery because it has extremely high requirements for reliability and long life of equipment.
The full-face tunnel boring machine is widely applied to the engineering fields of municipal administration, water conservancy tunnels, railways, coal mine tunnels and the like. Compared with the traditional drilling and blasting tunnel construction, the TBM has the advantages of safety, rapidness, high quality, high-efficiency tunneling and the like, and the construction mechanization level is greatly improved. However, for unfavorable geological conditions such as a rock stratum broken zone, a high-pressure water-rich stratum, a weak stratum, a karst cave and the like, the TBM has poor adaptability and low tunneling efficiency, and even engineering accidents such as water inrush, collapse, blocking, flooding and the like can occur due to improper treatment, so that the safety, quality, economy and social benefits of the engineering are seriously affected.
The high-pressure water-rich broken zone is one of poor geology with higher risk in tunnel construction, and accidents such as sudden water burst, collapse, equipment flooding and the like are easy to happen. At present, constructors insist on the principle of 'blocking and discharging combination and limited discharge' aiming at the prevention and treatment of sudden water gushing of a high-pressure water-rich broken zone, and adopt various measures such as radial grouting, local water blocking grouting, advanced grouting and the like.
The grant publication number ' CN216077113U ' records ' an open type TBM sealing device suitable for a water-rich fractured stratum, and the open type TBM sealing device comprises an outer sealing assembly and an inner sealing assembly which are matched with each other for use, wherein the outer sealing assembly comprises an outer sealing dustproof mechanism and a small cyclone dust removal mechanism; the small cyclone dust removal mechanism comprises a temporary settling chamber, a dust outlet, a small cyclone dust collector and a cyclone dust outlet channel, wherein the cyclone dust outlet channel is formed in the outer pressing ring; this device is through setting up the gyration number of times that outer seal subassembly and inner seal subassembly optimize the labyrinth seal chamber and reduce the invasion of grit granule and slow down TBM seal failure, with the cooperation of the dustproof subassembly of inner seal, for seal structure provides dual guarantee, have dustproof, the effectual, convenient construction's of sand control stone granule characteristics ".
The utility model discloses a gyration number of times and the invasion that reduces grit granule of labyrinth seal chamber are optimized through setting up outer seal subassembly and inner seal subassembly to above-mentioned patent and slow down TBM seal failure through setting up, reach dustproof effect, and through changing TBM sealing grease, improve the shutoff effect of grease to aquatic grit, provide dual guarantee for seal structure, dustproof, the effectual, construction convenience's of sand control stone granule advantage has, but when in actual use, the geology that is limited in the rich water stratum of rock is very easily broken and is produced the infiltration, and TBM receives the operation space restriction, conventional slip casting water shutoff mode is difficult to implement, and the slip casting water shutoff effect is relatively poor, for this we propose a bimodulus TBM to pass through rich water stratum construction and use method thereof.
Disclosure of Invention
The invention aims to provide a device for construction of a dual-mode TBM (tunnel boring machine) through a water-rich stratum and a using method thereof, and aims to solve the problems that during actual use, the geology of a rock water-rich stratum is easy to crack to generate water seepage, the TBM is limited by an operation space, a conventional grouting water plugging mode is difficult to implement, and the grouting water plugging effect is poor.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for construction of a dual-mode TBM (tunnel boring machine) through a water-rich stratum comprises a pipe body;
the movable groove is formed in the circumferential surface of the pipe body, and two mud blocking rings are fixedly connected to the inner wall of the movable groove;
the moving ring is arranged between the inner walls of the moving grooves, a rotating groove is formed in the circumferential surface of the moving ring, and a sealing mechanism is arranged between the moving ring and the two mud blocking rings;
the rotating sleeve is rotatably connected in the rotating groove, an electronic grouting valve is arranged on the circumferential surface of the rotating sleeve, and a grouting opening is formed in the electronic grouting valve;
the slurry pumping mechanism is arranged between the inner walls of the pipe bodies and is connected with the grouting port; and
and the linkage mechanism is arranged in the movable groove and is connected with the rotating sleeve to move the grouting opening.
As a preferable scheme of the present invention, the linkage mechanism includes a telescopic assembly, a sliding assembly, a driving assembly and a transmission assembly, the telescopic assembly is disposed between inner walls of the moving grooves, the telescopic assembly is connected to the moving rings, the sliding assembly is disposed on the inner walls of the moving grooves, the sliding assembly is connected to the moving rings, the transmission assembly is disposed between inner walls of the pipe body, the transmission assembly is connected to the rotating sleeve, the driving assembly is disposed between inner circumferential walls of the pipe body, and the driving assembly is connected to the transmission assembly.
As a preferable scheme of the present invention, the telescopic assembly includes a plurality of push rod grooves and a plurality of electric push rods, the plurality of push rod grooves are formed between inner walls of the moving grooves, the plurality of electric push rods are fixedly connected to the plurality of push rod grooves, and output ends of the plurality of electric push rods are all fixedly connected to side ends of the moving ring.
As a preferable scheme of the present invention, the sliding assembly includes a plurality of sliding grooves and a plurality of sliding blocks, the plurality of sliding grooves are uniformly formed on the annular inner wall of the moving groove, the plurality of sliding blocks are arranged to slide between the inner walls of the plurality of sliding grooves, and the plurality of sliding blocks are fixedly connected to the annular inner wall of the rotating sleeve.
As a preferable scheme of the present invention, the transmission assembly includes a gear groove, a meshing groove, a sliding tooth groove, a crown gear, a driven gear, a driving gear, and a motor, the gear groove is formed in the rotating sleeve, the gear groove is communicated with the rotating groove, the meshing groove is formed in the inner wall of the pipe body, the meshing groove is communicated with the moving groove, the sliding tooth groove is formed at a side end of the moving ring, the sliding tooth groove corresponds to the meshing groove, the crown gear is disposed between the inner walls of the gear groove, the crown gear is fixedly connected to the rotating sleeve, the driven gear is rotatably connected between the inner walls of the meshing groove, the driven gear is engaged with the crown gear, the driving gear is disposed between the inner walls of the pipe body, and the driving gear is engaged with the driven gear.
As a preferable scheme of the present invention, the driving assembly includes an auxiliary reinforcing rib and a motor, the auxiliary reinforcing rib is fixedly connected between the circumferential inner walls of the pipe body, the motor is fixedly connected to the side end of the auxiliary reinforcing rib, the output end of the motor extends to the side end of the auxiliary reinforcing rib, and the output end of the motor is fixedly connected to the driving gear.
As a preferable scheme of the present invention, the sealing assembly includes two sealing grooves and two sealing rings, the two sealing grooves are formed on the circumferential surfaces of the two mud guard rings, the two sealing rings are fixedly connected in the two sealing grooves, and the two sealing rings are tightly attached to the circumferential surface of the moving ring.
As a preferred scheme of the present invention, the slurry pumping mechanism includes a slurry pumping box, two guiding pipes, two omega-shaped slurry filling grooves, two butt-joint blocks, two second supporting frames, two first supporting frames, two control boxes, and two threaded butt-joint holes, the butt-joint blocks are fixedly connected to the inner circumferential wall of the pipe body, the two threaded butt-joint holes are formed in the top of the butt-joint blocks, the omega-shaped slurry filling grooves are formed in the pipe body, the omega-shaped slurry filling grooves are communicated with the two threaded butt-joint holes, the omega-shaped slurry filling grooves are communicated with the electronic slurry valve, the second supporting frames are fixedly connected to the inner circumferential wall of the pipe body, the slurry pumping box is fixedly connected to the side ends of the second supporting frames, the two guiding pipes are formed, one end of each guiding pipe is fixedly connected to the side end of the slurry pumping box, the other end of each guiding pipe is fixedly connected to the two threaded butt-joint holes, the first supporting frames are fixedly connected to the inner circumferential wall of the pipe body, and the control boxes are fixedly connected to the side ends of the first supporting frames.
As a preferable scheme of the present invention, the circumferential surface of the pipe body is provided with an induction groove, and a pressure induction ring is fixedly connected between inner walls of the induction groove.
A use method of a device for construction of a dual-mode TBM crossing a water-rich stratum comprises the following steps:
s1, pressure triggering:
the TBM is driven to move in the advancing process of the TBM, when the pipe body moves to a position where water seepage occurs, the pressure induction ring monitors a pressure threshold value, the control box receives the pressure threshold value change transmitted by the pressure induction ring and carries out identification and judgment, when the threshold value is in a normal range, the motor and the electric push rods are not started through the control box, and when the threshold value is in an abnormal range, the motor and the electric push rods are started through the control box, so that pressure induction triggering of the device is realized;
s2, aligning the seepage points:
in the moving process of the pipe body, after triggering, the electric push rods are electrified and started, the output ends of the electric push rods simultaneously push the moving ring, so that the moving ring drives the rotating sleeve to move in the moving groove, in the moving process of the moving ring, the sliding grooves and the sliding blocks are in sliding fit, the moving of the moving ring is guided, when the rotating sleeve and a penetration point are in the same section, the motor is controlled to be started through the control box, the output end of the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate through meshing with the driven gear, the driven gear drives the rotating sleeve to rotate through meshing with the crown gear, so that the grouting opening rotates to the penetration point around the moving groove, and the alignment of the penetration point is realized;
s3, grouting and blocking:
the control box controls the grouting pump box to ensure that the pressure in the omega-shaped grouting groove is higher than that of a permeation point through the two guide pipes and the thread butt joint hole, the control box controls the electronic grouting valve to be opened, the control box starts the grouting pump box to guide mixed cement slurry into one thread butt joint hole through one guide pipe, the mixed cement slurry is guided into the omega-shaped grouting groove through the thread butt joint hole, and the omega-shaped grouting groove is guided to the electronic grouting valve to realize grouting blockage of the permeation point;
s4, cleaning residual slurry:
in the grouting process, the mud guard ring keeps monitoring the pressure at the penetration point, when the abnormal pressure threshold value falls back to the normal pressure threshold value, the control box controls the electronic grouting valve to be closed, clean water is pumped into one guide pipe through the grouting pump box, the clean water is circulated annularly through the two guide pipes, the two thread butt joint holes and the omega-shaped grouting groove, and residual mud is washed out to realize residual mud cleaning;
s5, resetting and falling:
after the slip casting condenses, the mud guard ring senses the invariable back of pressure of infiltration department, and the control box realizes driving the reseing of shifting ring through reseing of a plurality of electric putter outputs, and the shifting ring resets the in-process, carries out the dislocation through two sealing washers and strikes off the adnexed mud that solidifies of shifting ring circumference surface, realizes droing to reseing of grout mouth and rotating sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. in the scheme, in the moving process of the pipe body, after triggering, a plurality of electric push rods are electrified and started, the output ends of the electric push rods simultaneously push the moving ring, the moving ring drives the rotating sleeve to move in the moving groove, in the moving process of the moving ring, the sliding grooves and the sliding blocks are in sliding fit, the moving of the moving ring is guided, the rotating sleeve and the penetration points are located on the same cross section, when the rotating sleeve and the penetration points are located on the same cross section, the motor is controlled to be started through the control box, the output end of the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate through meshing with the driven gear, the driven gear drives the rotating sleeve to rotate through meshing with the crown gear, a grouting opening rotates to the penetration points around the moving groove, the penetration points are aligned, quick alignment is achieved, a grouting mode is changed, TBM is prevented from being limited by operation space, the penetration points are accurately aligned, and the grouting water plugging effect is improved.
2. In this scheme, seting up of two seal grooves is used for holding two fixed sealing washers, and two sealing washers carry out the shutoff through the clearance of warping between to two fender mud rings and the shift ring, and at the shift ring in-process that resets simultaneously, carry out the dislocation through two sealing washers and strike off moving ring circumferential surface's adnexed solidification mud, realize droing the reseing of grout mouth and rotating sleeve, realize resetting fast.
3. In the scheme, in the grouting process, the pressure sensing ring keeps monitoring the pressure at the permeation point, when the abnormal pressure threshold value falls back to the normal pressure threshold value, the control box controls the electronic grouting valve to be closed, clean water is pumped into one guide pipe through the grouting pump box, the clean water is circulated annularly through the two guide pipes, the two thread butt joint holes and the omega-shaped grouting groove, the residual slurry is flushed out, the residual slurry is cleaned, and the blocking phenomenon is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a first perspective view of a dual-mode TBM construction apparatus for traversing water-rich formations in accordance with the present invention;
FIG. 2 is a second perspective view of a dual-mode TBM apparatus for construction through a water-rich formation in accordance with the present invention;
FIG. 3 is a first semi-sectional view of a dual mode TBM apparatus for water-rich formation crossing construction in accordance with the present invention;
FIG. 4 is an enlarged view of the part A of the device for construction of the dual-mode TBM to penetrate through the water-rich stratum of the invention shown in FIG. 3;
FIG. 5 is a second semi-sectional view of a dual mode TBM apparatus for water-rich formation crossing construction in accordance with the present invention;
FIG. 6 is a third semi-sectional view of a dual mode TBM construction apparatus for traversing water-rich formations in accordance with the present invention;
FIG. 7 is a fourth semi-sectional view of a dual mode TBM construction apparatus for traversing water-rich formations in accordance with the present invention;
FIG. 8 is an exploded view of an apparatus for dual mode TBM construction through water-rich formations in accordance with the present invention;
FIG. 9 is an exploded view of a linkage mechanism of a dual-mode TBM construction apparatus for penetrating water-rich formations in accordance with the present invention;
FIG. 10 is a schematic view of a sealing assembly of an apparatus for dual-mode TBM construction across water-rich formations in accordance with the present invention.
In the figure: 1. a pipe body; 2. an induction tank; 3. a pressure sensing loop; 4. a moving groove; 5. a mud ring; 6. a sealing groove; 7. a seal ring; 8. a moving ring; 9. a gear groove; 10. rotating the sleeve; 11. a crown gear; 12. a driven gear; 13. a driving gear; 14. a motor; 15. an engagement groove; 16. a chute; 17. a slider; 18. grouting ports; 19. an electronic grouting valve; 20. a butt joint block; 21. an omega-shaped grouting tank; 22. auxiliary reinforcing ribs; 23. an electric push rod; 24. a push rod groove; 25. a first support frame; 26. grouting a pump box; 27. a control box; 28. a guide tube; 29. a rotating groove; 30. a pedal; 31. a sliding gullet; 32. a threaded butt joint hole; 33. a second support frame.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-10, a device for construction of a dual-mode TBM across a water-rich stratum comprises:
a pipe body 1;
the movable groove 4 is formed in the circumferential surface of the pipe body 1, and two mud blocking rings 5 are fixedly connected to the inner wall of the movable groove 4;
the moving ring 8 is arranged between the inner walls of the moving grooves 4, the circumferential surface of the moving ring 8 is provided with a rotating groove 29, and a sealing mechanism is arranged between the moving ring 8 and the two mud guard rings 5;
the rotary sleeve 10 is rotatably connected into the rotary groove 29, the circumferential surface of the rotary sleeve 10 is provided with an electronic grouting valve 19, and a grouting opening 18 is formed in the electronic grouting valve 19;
the slurry pumping mechanism is arranged between the inner walls of the pipe bodies 1 and is connected with the grouting opening 18; and
and the linkage mechanism is arranged in the moving groove 4 and is connected with the rotating sleeve 10 to move the grouting opening 18.
According to the invention, two 30 pipes are fixedly connected in a pipe body 1, the two 30 pipes are used for supporting personnel to move, the pipe body 1 is fixedly connected to the rear end of a TBM, a moving groove 4, a linkage mechanism, a slurry pumping mechanism and two mud blocking rings 5 are used for supporting the pipe body 1, the moving groove 4 is provided for accommodating the mud blocking rings 5, a moving ring 8 and the linkage mechanism, the two mud blocking rings 5 are used for fixedly supporting two sealing rings 7, and a sealing mechanism is used for sealing between the moving ring 8 and the two mud blocking rings 5. The movable ring 8 is used for supporting and fixing the rotating sleeve 10, the rotating groove 29 is used for accommodating the rotating sleeve 10, the rotating sleeve 10 is used for supporting and fixing the grouting opening 18, the electronic grouting valve 19 is arranged for accommodating the electronic grouting valve 19, and the slurry pumping mechanism is used for pumping mixed slurry into the electronic grouting valve 19.
The linkage mechanism comprises a telescopic assembly, a sliding assembly, a driving assembly and a transmission assembly, wherein the telescopic assembly is arranged between the inner walls of the moving grooves 4 and is connected with the moving ring 8, the sliding assembly is arranged on the inner walls of the moving grooves 4 and is connected with the moving ring 8, the transmission assembly is arranged between the inner walls of the pipe body 1 and is connected with the rotating sleeve 10, the driving assembly is arranged between the inner walls of the circumference of the pipe body 1 and is connected with the transmission assembly.
In the invention, the telescopic assembly is used for pushing the moving ring 8 to move and then moving the rotating sleeve 10, the sliding assembly is used for guiding and limiting the movement of the moving ring 8, the transmission assembly is used for transmitting the torque force generated by the driving assembly to the rotating sleeve 10, and the driving assembly provides power for the rotation of the rotating sleeve 10.
The telescopic assembly comprises a plurality of push rod grooves 24 and electric push rods 23, the push rod grooves 24 are provided with a plurality of push rod grooves 24, the push rod grooves 24 are arranged between the inner walls of the moving grooves 4, the electric push rods 23 are provided with a plurality of electric push rods 23 which are fixedly connected in the push rod grooves 24, and the output ends of the electric push rods 23 are fixedly connected with the side ends of the moving ring 8.
In the invention, a plurality of push rod grooves 24 are formed for accommodating a plurality of electric push rods 23, the plurality of electric push rods 23 are used for pushing the moving ring 8 to move, and the plurality of electric push rods 23 are electrified and started to push the moving ring 8 through a plurality of output ends so as to radially move the rotating sleeve 10 and the electronic grouting valve 19.
The sliding assembly comprises a plurality of sliding grooves 16 and sliding blocks 17, the sliding grooves 16 are provided with a plurality of sliding grooves 16 which are uniformly arranged on the annular inner wall of the moving groove 4, the sliding blocks 17 are provided with a plurality of sliding blocks 17 which slide between the inner walls of the sliding grooves 16, and the sliding blocks 17 are fixedly connected on the annular inner wall of the rotating sleeve 10.
In the invention, the plurality of sliding grooves 16 are formed to accommodate the plurality of sliding blocks 17, the plurality of sliding blocks 17 slide in the plurality of sliding grooves 16, the plurality of sliding grooves 16 are in sliding fit with the plurality of sliding blocks 17 to guide and limit the movement of the moving ring 8, so that the stable movement of the moving ring 8 is ensured, in the moving process of the pipe body 1, after triggering, the plurality of electric push rods 23 are electrified and started, the output ends of the plurality of electric push rods 23 simultaneously push the moving ring 8, so that the moving ring 8 drives the rotating sleeve 10 to move in the moving groove 4, in the moving process of the moving ring 8, the plurality of sliding grooves 16 are in sliding fit with the plurality of sliding blocks 17 to guide the movement of the moving ring 8, and the rotating sleeve 10 and a penetration point are in the same section.
The transmission assembly comprises a gear groove 9, a meshing groove 15, a sliding tooth groove 31, a crown gear 11, a driven gear 12, a driving gear 13 and a motor 14, the gear groove 9 is formed in a rotating sleeve 10, the gear groove 9 is communicated with a rotating groove 29, the meshing groove 15 is formed in the inner wall of the pipe body 1, the meshing groove 15 is communicated with a moving groove 4, the sliding tooth groove 31 is formed in the side end of a moving ring 8, the sliding tooth groove 31 corresponds to the meshing groove 15, the crown gear 11 is arranged between the inner walls of the gear groove 9, the crown gear 11 is fixedly connected with the rotating sleeve 10, the driven gear 12 is rotatably connected between the inner walls of the meshing groove 15, the driven gear 12 is meshed with the crown gear 11, the driving gear 13 is arranged between the inner walls of the pipe body 1, and the driving gear 13 is meshed with the driven gear 12.
According to the invention, the gear groove 9 is formed to accommodate the crown gear 11 and the driven gear 12, the meshing groove 15 is formed to accommodate the driven gear 12, the sliding tooth groove 31 is formed to correspond to the meshing groove 15, so that the crown gear 11 does not fall off from the driven gear 12 in the sliding process of the movable ring 8, the driven gear 12 drives the crown gear 11 to rotate through meshing with the crown gear 11, the driving gear 13 drives the driven gear 12 to rotate through meshing with the driven gear 12, when the rotating sleeve 10 and the penetration point are in the same cross section, the control box 27 controls the motor 14 to start, the output end of the motor 14 drives the driving gear 13 to rotate, the driving gear 13 drives the driven gear 12 to rotate through meshing with the driven gear 12, the driven gear 12 drives the rotating sleeve 10 to rotate through meshing with the crown gear 11, so that the grouting port 18 rotates around the movable groove 4 to the penetration point, the penetration point is aligned, rapid alignment is realized, the grouting mode is changed, the limitation of the TBM by the operation space is avoided, the penetration point is accurately aligned, and the grouting effect is improved.
The driving assembly comprises auxiliary reinforcing ribs 22 and a motor 14, the auxiliary reinforcing ribs 22 are fixedly connected between the inner walls of the circumference of the pipe body 1, the motor 14 is fixedly connected to the side ends of the auxiliary reinforcing ribs 22, the output end of the motor 14 extends to the side ends of the auxiliary reinforcing ribs 22, and the output end of the motor 14 is fixedly connected with the driving gear 13.
In the invention, the auxiliary reinforcing ribs 22 are used for supporting and fixing the motor 14, the motor 14 is a three-phase asynchronous motor, the output end of the motor 14 is fixedly connected with the driving gear 13, and the motor 14 provides power for the rotation of the rotating sleeve 10.
The sealing assembly comprises two sealing grooves 6 and two sealing rings 7, the two sealing grooves 6 are arranged on the circumferential surfaces of the two mud blocking rings 5, the two sealing rings 7 are fixedly connected in the two sealing grooves 6, and the two sealing rings 7 are tightly attached to the circumferential surface of the moving ring 8.
According to the invention, the two sealing grooves 6 are formed for accommodating and fixing the two sealing rings 7, the two sealing rings 7 are used for plugging a gap between the two mud blocking rings 5 and the moving ring 8 through deformation, and meanwhile, in the resetting process of the moving ring 8, the two sealing rings 7 are used for scraping off the solidified mud attached to the circumferential surface of the moving ring 8 in a staggered manner, so that the grouting opening 18 and the rotating sleeve 10 are reset and fall off, and rapid resetting is realized.
The slurry pumping mechanism comprises a slurry pumping pump box 26, two guide pipes 28, two omega-shaped slurry filling grooves 21, two butt-joint blocks 20, a second support frame 33, a first support frame 25, a control box 27 and two thread butt-joint holes 32, wherein the butt-joint blocks 20 are fixedly connected to the inner circumferential wall of the pipe body 1, the two thread butt-joint holes 32 are formed in the top of the butt-joint blocks 20, the omega-shaped slurry filling grooves 21 are formed in the pipe body 1, the omega-shaped slurry filling grooves 21 are communicated with the two thread butt-joint holes 32, the omega-shaped slurry filling grooves 21 are communicated with the electronic slurry valves 19, the second support frame 33 is fixedly connected to the inner circumferential wall of the pipe body 1, the slurry pumping pump box 26 is fixedly connected to the side end of the second support frame 33, the two guide pipes 28 are arranged, one ends of the two guide pipes 28 are fixedly connected to the side end of the slurry pumping pump box 26, the other ends of the two guide pipes 28 are fixedly connected to the two thread butt-joint holes 32, the first support frame 25 is fixedly connected to the inner circumferential wall of the first support frame 25, and the control box 27 is fixedly connected to the side end of the first support frame 25.
In the invention, the docking block 20 is used for docking two guide pipes 28, two threaded docking holes 32 are opened for connecting the two guide pipes 28 by screw threads, the omega-shaped grouting groove 21 is opened for guiding mixed slurry to the electronic grouting valve 19, the second support frame 33 is used for supporting and fixing the grouting pump box 26, a cement pumping device is assembled in the grouting pump box 26 and pumps the mixed slurry to the two guide pipes 28, the two guide pipes 28 are used for guiding the mixed slurry to the two threaded docking holes 32, the two threaded docking holes 32 are used for pumping the mixed slurry to the omega-shaped grouting groove 21, the first support frame 25 is used for supporting and fixing the control box 27, the control box 27 is electrically connected with the grouting pump box 26, the pressure induction ring 3, the electric push rods 23, the motor 14 and the electronic grouting valve 19 for control, the pressure induction ring 3 keeps monitoring the pressure at a penetration point during grouting, when an abnormal pressure threshold value is returned to a normal pressure value, the control box 27 controls the electronic grouting valve 19 to close, clean water is pumped into one guide pipe 28 by the pump box 26, the two threaded docking holes 28, the clean water is flushed out from the two annular docking holes 21, and the residual grouting groove is cleaned, and the residual grouting guide pipes are cleaned.
The circumference surface of body 1 has seted up induction tank 2, fixedly connected with pressure-sensitive ring 3 between the inner wall of induction tank 2.
In the invention, the induction groove 2 is provided for accommodating the pressure induction ring 3, and the pressure induction ring 3 is annular as a whole and is used for inducing the circumferential surface of the pipe body 1 at 360 degrees to realize full-range pressure induction.
In addition, it should be noted that the pressure sensing loop 3 in this embodiment belongs to a pressure sensor type component, so that an abnormal threshold range and a normal threshold range of a corresponding geology can be set according to actual needs, the control box 27 is utilized to detect whether a real-time threshold value exceeds a range, and if the real-time threshold value exceeds a preset threshold range value, the control box 27 controls the motor 14 to operate.
A use method of a device for construction of a dual-mode TBM crossing a water-rich stratum comprises the following steps:
s1, pressure triggering:
the pipe body 1 is driven to move in the advancing process of the TBM, when the pipe body 1 moves to a water seepage place, the pressure induction ring 3 monitors a pressure threshold value, the control box 27 receives the pressure threshold value change transmitted by the pressure induction ring 3, identifies and judges the pressure threshold value change, when the pressure threshold value is in a normal range, the control box 27 does not start the motor 14 and the electric push rods 23, and when the pressure threshold value is in an abnormal range, the control box 27 starts the motor 14 and the electric push rods 23, so that the pressure-sensitive triggering of the device is realized;
s2, aligning the seepage points:
in the moving process of the pipe body 1, after triggering, the electric push rods 23 are electrified and started, the output ends of the electric push rods 23 simultaneously push the moving ring 8, so that the moving ring 8 drives the rotating sleeve 10 to move in the moving groove 4, in the moving process of the moving ring 8, the sliding grooves 16 and the sliding blocks 17 are in sliding fit to guide the moving of the moving ring 8, when the rotating sleeve 10 and a seepage point are on the same section, the control box 27 controls the motor 14 to start, the output end of the motor 14 drives the driving gear 13 to rotate, the driving gear 13 drives the driven gear 12 to rotate through meshing with the driven gear 12, the driven gear 12 drives the rotating sleeve 10 to rotate through meshing with the crown gear 11, so that the grouting port 18 rotates to the seepage point around the moving groove 4, and the seepage point alignment is realized;
s3, grouting and blocking:
the control box 27 controls the grouting pump box 26 to ensure that the pressure in the omega-shaped grouting groove 21 is higher than the pressure of a penetration point through the two guide pipes 28 and the threaded butt joint hole 32, the control box 27 controls the electronic grouting valve 19 to be opened, the control box 27 starts the grouting pump box 26 to guide mixed cement slurry into one threaded butt joint hole 32 through one guide pipe 28, the mixed cement slurry is guided into the omega-shaped grouting groove 21 through the threaded butt joint hole 32, and the omega-shaped grouting groove 21 is guided to the electronic grouting valve 19 to realize grouting and blocking of the penetration point;
s4, cleaning residual slurry:
in the grouting process, the pressure sensing ring 3 keeps monitoring the pressure at the penetration point, when the abnormal pressure threshold value falls back to the normal pressure threshold value, the control box 27 controls the electronic grouting valve 19 to be closed, clean water is pumped into one guide pipe 28 through the grouting pump box 26, the clean water is circulated annularly through the two guide pipes 28, the two thread butt-joint holes 32 and the omega-shaped grouting groove 21, and the residual slurry is washed out to realize residual slurry cleaning;
s5, resetting and falling:
after the slip casting condenses, after the pressure that infiltration department was sensed to pressure sensing ring 3 is invariable, control box 27 realized driving the reseing of shift ring 8 through the reseing of a plurality of electric putter 23 output, and shift ring 8 resets the in-process, carries out the dislocation through two sealing washer 7 and strikes off the adnexed mud that solidifies of shift ring 8 circumferential surface, realizes droing to reseing of grout mouth 18 and rotation cover 10.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (10)
1. A device for construction of a dual-mode TBM crossing a water-rich stratum is characterized by comprising;
a pipe body (1);
the pipe body (1) is provided with a pipe body (4), the pipe body (4) is arranged on the inner wall of the pipe body (4), and the pipe body is provided with a plurality of mud blocking rings (5);
the moving ring (8) is arranged between the inner walls of the moving grooves (4), the circumferential surface of the moving ring (8) is provided with a rotating groove (29), and a sealing mechanism is arranged between the moving ring (8) and the two mud blocking rings (5);
the rotary sleeve (10) is rotatably connected into the rotary groove (29), an electronic grouting valve (19) is arranged on the circumferential surface of the rotary sleeve (10), and a grouting opening (18) is formed in the electronic grouting valve (19);
the slurry pumping mechanism is arranged between the inner walls of the pipe bodies (1) and is connected with the grouting opening (18); and
the linkage mechanism is arranged in the moving groove (4) and is connected with the rotating sleeve (10) and used for moving the grouting opening (18).
2. The device for construction of the double-mode TBM passing through the water-rich stratum according to claim 1, wherein the linkage mechanism comprises a telescopic component, a sliding component, a driving component and a transmission component, the telescopic component is arranged between the inner walls of the moving groove (4), the telescopic component is connected with the moving ring (8), the sliding component is arranged on the inner wall of the moving groove (4), the sliding component is connected with the moving ring (8), the transmission component is arranged between the inner walls of the pipe body (1), the transmission component is connected with the rotating sleeve (10), the driving component is arranged between the circumferential inner walls of the pipe body (1), and the driving component is connected with the transmission component.
3. The device for construction of crossing water-rich stratum by using dual-mode TBM (tunnel boring machine) according to claim 2, wherein the telescopic assembly comprises a plurality of push rod grooves (24) and a plurality of electric push rods (23), the push rod grooves (24) are provided, the plurality of push rod grooves (24) are arranged between the inner walls of the movable grooves (4), the plurality of electric push rods (23) are provided, the plurality of electric push rods (23) are fixedly connected in the plurality of push rod grooves (24), and the output ends of the plurality of electric push rods (23) are fixedly connected with the side ends of the movable ring (8).
4. The device for construction of the double-mold TBM crossing the water-rich stratum according to claim 3, wherein the sliding assembly comprises a plurality of sliding grooves (16) and a plurality of sliding blocks (17), the sliding grooves (16) are uniformly formed in the annular inner wall of the moving groove (4), the sliding blocks (17) are arranged in a plurality, the sliding blocks (17) slide between the inner walls of the sliding grooves (16), and the sliding blocks (17) are fixedly connected to the annular inner wall of the rotating sleeve (10).
5. The device for the construction of the bimodal TBM passing through the water-rich stratum according to claim 4 is characterized in that the transmission assembly comprises a gear groove (9), a meshing groove (15), a sliding tooth groove (31), a crown gear (11), a driven gear (12), a driving gear (13) and a motor (14), the gear groove (9) is formed in the rotating sleeve (10), the gear groove (9) is communicated with the rotating groove (29), the meshing groove (15) is formed in the inner wall of the pipe body (1), the meshing groove (15) is communicated with the moving groove (4), the sliding tooth groove (31) is formed in the side end of the moving ring (8), the sliding tooth groove (31) corresponds to the meshing groove (15), the crown gear (11) is arranged between the inner walls of the gear groove (9), the crown gear (11) is fixedly connected with the rotating sleeve (10), the driven gear (12) is rotatably connected between the inner walls of the meshing groove (15), the driven gear (12) is meshed with the crown gear (11), the driving gear (13) is arranged between the inner walls of the pipe body (1), and the driving gear (13) are meshed with the driving gear (13).
6. The device for construction of the double-mode TBM crossing the water-rich stratum according to claim 5, wherein the driving assembly comprises an auxiliary reinforcing rib (22) and a motor (14), the auxiliary reinforcing rib (22) is fixedly connected between the inner circumferential walls of the pipe body (1), the motor (14) is fixedly connected to the side end of the auxiliary reinforcing rib (22), the output end of the motor (14) extends to the side end of the auxiliary reinforcing rib (22), and the output end of the motor (14) is fixedly connected with the driving gear (13).
7. The device for construction of penetrating through the water-rich stratum by using the dual-mode TBM as claimed in claim 6, wherein the sealing assembly comprises two sealing grooves (6) and two sealing rings (7), the two sealing grooves (6) are arranged on the circumferential surfaces of the two mud blocking rings (5), the two sealing rings (7) are arranged, the two sealing rings (7) are fixedly connected in the two sealing grooves (6), and the two sealing rings (7) are tightly attached to the circumferential surface of the moving ring (8).
8. The device for construction of the double-mold TBM passing through the water-rich stratum according to claim 7, wherein the slurry pumping mechanism comprises a slurry pumping box (26), a guide pipe (28), two omega-shaped slurry pumping grooves (21), two butt-joint blocks (20), a second support frame (33), a first support frame (25), a control box (27) and two threaded butt-joint holes (32), the butt-joint blocks (20) are fixedly connected to the inner circumferential wall of the pipe body (1), the two threaded butt-joint holes (32) are provided at the top of the butt-joint blocks (20), the omega-shaped slurry pumping groove (21) is provided in the pipe body (1), the omega-shaped slurry pumping groove (21) is communicated with the two threaded butt-joint holes (32), the omega-shaped slurry pumping groove (21) is communicated with the electronic slurry valve (19), the second support frame (33) is fixedly connected to the inner circumferential wall of the pipe body (1), the slurry pumping box (26) is fixedly connected to the side end of the second support frame (33), the two guide pipe body (28) are fixedly connected to the inner circumferential inner wall of the guide pipe body (1), the control box (27) is fixedly connected to the side end of the first support frame (25).
9. The device for construction of the double-mode TBM passing through the water-rich stratum according to claim 8, wherein an induction groove (2) is formed in the circumferential surface of the pipe body (1), and a pressure induction ring (3) is fixedly connected between the inner walls of the induction groove (2).
10. A use method of a device for construction of a dual-mode TBM crossing a water-rich stratum is characterized in that the device for construction of the dual-mode TBM crossing the water-rich stratum, which is disclosed by any one of claims 1 to 9, is applied, and comprises the following steps:
s1, pressure triggering:
the TBM is driven to move in the advancing process of the TBM, when the pipe body (1) moves to a position where water seepage occurs, the pressure induction ring (3) monitors a pressure threshold value, the control box (27) receives the pressure threshold value change transmitted by the pressure induction ring (3) and conducts identification and judgment, when the threshold value is in a normal range, the control box (27) is not used for starting the motor (14) and the electric push rods (23), when the threshold value is in an abnormal range, the control box (27) is used for starting the motor (14) and the electric push rods (23), and pressure-sensitive triggering of the device is achieved;
s2, aligning the seepage points:
in the moving process of the pipe body (1), after triggering, the electric push rods (23) are electrified and started, the output ends of the electric push rods (23) simultaneously push the moving ring (8), so that the moving ring (8) drives the rotating sleeve (10) to move in the moving groove (4), in the moving process of the moving ring (8), the sliding grooves (16) are in sliding fit with the sliding blocks (17) to guide the moving of the moving ring (8), when the rotating sleeve (10) and a penetration point are in the same section, the control box (27) controls the motor (14) to start, the output end of the motor (14) drives the driving gear (13) to rotate, the driving gear (13) drives the driven gear (12) to rotate through meshing with the driven gear (12), the driven gear (12) drives the rotating sleeve (10) to rotate through meshing with the crown gear (11), so that the grouting opening (18) rotates to the penetration point around the moving groove (4), and the penetration point alignment is realized;
s3, grouting and blocking:
the control box (27) controls the grouting pump box (26) to ensure that the pressure in the omega-shaped grouting groove (21) is higher than the pressure of a penetration point through the two guide pipes (28) and the threaded butt joint hole (32), the control box (27) controls the electronic grouting valve (19) to be opened, the control box (27) starts the grouting pump box (26) to guide mixed cement slurry into the threaded butt joint hole (32) through one guide pipe (28), the mixed cement slurry is guided into the omega-shaped grouting groove (21) through the threaded butt joint hole (32), and the omega-shaped grouting groove (21) is guided to the electronic grouting valve (19) to realize grouting and blocking of the penetration point;
s4, residual pulp cleaning:
in the grouting process, the pressure sensing ring (3) keeps monitoring the pressure at a seepage point, when the abnormal pressure threshold value falls back to the normal pressure threshold value, the control box (27) controls the electronic grouting valve (19) to be closed, clean water is pumped into one guide pipe (28) through the grouting pump box (26), and the clean water flows annularly through the two guide pipes (28), the two thread butt-joint holes (32) and the omega-shaped grouting groove (21) to wash out residual mud and clean residual mud;
s5, resetting and falling:
after the slip casting condenses, the constant back of pressure that infiltration department was sensed in pressure sensing ring (3), and control box (27) realize driving the reseing of shift ring (8) through the reseing of a plurality of electric putter (23) output, and shift ring (8) reset in-process carries out the dislocation through two sealing washer (7) to the adnexed solidification mud of shift ring (8) circumference surface and strikes off, realizes droing to reseing of grout mouth (18) and rotation cover (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210975796.7A CN115434726A (en) | 2022-08-15 | 2022-08-15 | Device for construction of dual-mode TBM through water-rich stratum and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210975796.7A CN115434726A (en) | 2022-08-15 | 2022-08-15 | Device for construction of dual-mode TBM through water-rich stratum and using method thereof |
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| US5183356A (en) * | 1988-07-23 | 1993-02-02 | Putzmeister-Werk Maschinenfabrik Gmbh | Method and device for distributing pumpable thick matter into several delivery pipes |
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| CN110344853A (en) * | 2019-08-16 | 2019-10-18 | 湖南联智桥隧技术有限公司 | A kind of bridge tunnel strenthening member blade inserting provisions for grouting and grouting method |
| CN110566233A (en) * | 2019-09-20 | 2019-12-13 | 成龙建设集团有限公司 | method for duct piece wall post-grouting in shield tunnel construction of full-section hard rock stratum |
| CN215520886U (en) * | 2021-07-20 | 2022-01-14 | 中煤第三建设（集团）有限责任公司 | Shield constructs quick-witted grout discharging device |
| CN114458340A (en) * | 2021-12-28 | 2022-05-10 | 中铁五局集团电务工程有限责任公司 | Tunnel grouting device for large and small shield |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183356A (en) * | 1988-07-23 | 1993-02-02 | Putzmeister-Werk Maschinenfabrik Gmbh | Method and device for distributing pumpable thick matter into several delivery pipes |
| CN103835730A (en) * | 2014-03-10 | 2014-06-04 | 上海盾构设计试验研究中心有限公司 | Circular section synchronous rotary jet grouting device |
| CN110344853A (en) * | 2019-08-16 | 2019-10-18 | 湖南联智桥隧技术有限公司 | A kind of bridge tunnel strenthening member blade inserting provisions for grouting and grouting method |
| CN110566233A (en) * | 2019-09-20 | 2019-12-13 | 成龙建设集团有限公司 | method for duct piece wall post-grouting in shield tunnel construction of full-section hard rock stratum |
| CN215520886U (en) * | 2021-07-20 | 2022-01-14 | 中煤第三建设（集团）有限责任公司 | Shield constructs quick-witted grout discharging device |
| CN114458340A (en) * | 2021-12-28 | 2022-05-10 | 中铁五局集团电务工程有限责任公司 | Tunnel grouting device for large and small shield |
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