CN118008337A - A high-pressure flushing cutting assembly for a mudstone shield tunnel and a cutting method thereof - Google Patents
A high-pressure flushing cutting assembly for a mudstone shield tunnel and a cutting method thereof Download PDFInfo
- Publication number
- CN118008337A CN118008337A CN202410314637.1A CN202410314637A CN118008337A CN 118008337 A CN118008337 A CN 118008337A CN 202410314637 A CN202410314637 A CN 202410314637A CN 118008337 A CN118008337 A CN 118008337A
- Authority
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- China
- Prior art keywords
- flushing
- fixedly connected
- shield
- pressure
- cutting
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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
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
本发明公开了一种泥岩盾构隧道高压冲刷切削组件及其切削方法，包括盾构设备、转动机构、高压冲刷切削机构、伸缩机构和定位机构，所述转动机构包括第一固定管道，所述第一固定管道一端固定连接有第二固定管道，通过第一固定管道将清水输送至高压冲刷切削机构的内部，由分流箱将清水进行分流处理，并由微型水泵将清水输送至高压喷头中进行冲刷作业，由于设置的若干个高压喷头都有独立的微型水泵，即时可以提高冲刷的力道，进而便可对刀盘已有泥岩进行切削和冲刷刀盘，以避免刀盘面板、开口、刀孔粘接泥饼和渣土堆积而导致堵塞刀孔的问题。
The invention discloses a high-pressure flushing and cutting assembly for a mudstone shield tunnel and a cutting method thereof, comprising a shield device, a rotating mechanism, a high-pressure flushing and cutting mechanism, a telescopic mechanism and a positioning mechanism, wherein the rotating mechanism comprises a first fixed pipe, one end of the first fixed pipe is fixedly connected to a second fixed pipe, clean water is transported to the interior of the high-pressure flushing and cutting mechanism through the first fixed pipe, the clean water is diverted by a diversion box, and the clean water is transported to a high-pressure nozzle by a micro water pump for flushing operation, and since a plurality of high-pressure nozzles are provided with independent micro water pumps, the flushing force can be instantly increased, and then the existing mudstone on the cutter disc can be cut and the cutter disc can be flushed, so as to avoid the problem of the cutter disc panel, opening, and cutter hole being adhered to mud cakes and slag accumulation, resulting in the blockage of the cutter hole.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a high-pressure scouring cutting assembly and a cutting method for a mudstone shield tunnel.
Background
The mudstone shield tunnel is a tunnel construction method used under the geological conditions of soft soil layers such as mudstone and the like. The shield tunnel is a mechanized tunneling method, and tunnel excavation and supporting are performed by using a shield machine. Under the geological condition of mudstone, the construction of the shield tunnel needs to carry out a series of technical measures aiming at the characteristics of the soft soil layer. Firstly, the tunneling speed of the shield tunneling machine needs to be mastered in the process of tunneling, and excessive extrusion force on a soft soil layer is avoided, so that stratum subsidence is avoided. Secondly, the pressure balance and the slurry balance of the shield tunnel also need to be precisely controlled so as to keep the underground environment stable. In the construction process of the shield tunnel, proper support is needed for the tunnel wall, and lining, shotcrete and other modes are generally used.
When the mudstone shield is constructed in a stratum with high content of fine particles such as mudstone, clay and the like, due to insufficient flushing pressure and insufficient action distance of a conventional mud flushing system, the effects of flushing the cutter head and carrying slag are difficult to realize, the fine particles adhere to each area of the cutter head and gradually expand the range, the discharge of slag on the face of a face is affected, finally the panel, the opening and the cutter hole of the cutter head are bonded with mud cakes and slag are piled up, the excavation capacity of the cutter head of the mudstone shield and the slag conveying of a circulation system are seriously affected, the tunneling speed of the mudstone shield is reduced immediately, the tunneling problems such as large thrust force and the like are seriously affected, and the normal construction of the mudstone shield is seriously affected.
Disclosure of Invention
The invention aims to provide a high-pressure scouring cutting assembly and a cutting method for a mudstone shield tunnel, which are used for solving the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a mud rock shield tunnel high pressure washout cutting assembly, includes shield equipment, slewing mechanism, high pressure washout cutting mechanism, telescopic machanism and positioning mechanism:
the shield equipment is internally and sequentially fixedly connected with a front shield front baffle, a front shield middle baffle and a front shield rear baffle from left to right, and a mud water bin is arranged between the shield equipment and the front shield front baffle;
the rotating mechanism comprises a first fixed pipeline, one end of the first fixed pipeline is fixedly connected with a second fixed pipeline, a connecting circular plate is fixedly connected between the first fixed pipeline and the second fixed pipeline, the outer side of the second fixed pipeline is fixedly connected with a tooth, one end of the second fixed pipeline is fixedly connected with a limiting circular plate, the bottom of the second fixed pipeline is provided with a driving gear, and the inside of the driving gear is fixedly connected with the output end of the driving motor;
The high-pressure flushing cutting mechanism comprises a flow distribution box, one side of the flow distribution box is fixedly connected with a high-pressure spray head, one side adjacent to the flow distribution box is fixedly connected with a miniature water pump, and water injection pipes are fixedly connected among the high-pressure spray head, the flow distribution box and the miniature water pump.
Preferably, the first fixed pipeline is located inside rotation connection of shield front baffle, the tooth is circular all and is provided with a plurality of, be engaged connection between tooth and the driving gear.
Preferably, the inside fixedly connected with supporting shaft hole of shield septum before, the inside rotation that second fixed pipeline and tooth all are located supporting shaft hole is connected, driving motor fixed connection is in the lower extreme of shield septum one side.
Preferably, the shunt box is fixedly connected to the other end of the first fixed pipeline, the shunt box, the high-pressure spray head, the miniature water pump and the water injection pipe are all provided with a plurality of, and the miniature water pump is fixedly connected with the shunt box through the fixing assembly.
Preferably, the telescopic mechanism comprises a fixed circular plate, wherein one side of the fixed circular plate is round, and is fixedly connected with a fixing seat, and a hydraulic telescopic rod is arranged in the fixing seat.
Preferably, the fixed circular plate is fixedly connected to one side of the front shield front partition plate, the hollow structure is arranged inside the fixed circular plate, one end of the hydraulic telescopic rod is fixedly connected to one side of the front shield front partition plate through a bolt and a nut, and the output end of the hydraulic telescopic rod is fixedly connected to one side of the connecting circular plate through the bolt and the nut.
Preferably, the spacing plectane one end fixedly connected with connecting tube, connecting tube one end fixedly connected with first flange, first flange one end is provided with the second flange, second flange one end fixedly connected with hose connection sleeve, the inside of first flange and second flange all is provided with rotation groove and seal groove, hose connection sleeve is inside to be provided with the hose, the one end fixedly connected with positioning mechanism of hose.
Preferably, the inside block of seal groove is connected with sealed pad, connecting tube is located the inside rotation connection of baffle behind the front shield, first flange and second flange pass through bolt and nut fixed connection, the outside fixedly connected with control ball valve of hose, the one end fixedly connected with high-pressure flushing pump of hose, high-pressure flushing pump one side is provided with the water tank, fixedly connected with conveyer pipe between high-pressure flushing pump and the water tank.
Preferably, the positioning mechanism comprises a connecting circular ring, the inner side of the connecting circular ring is circularly and uniformly rotated to be connected with a first ball, the adjacent side of the inner side of the connecting circular ring is circularly and uniformly rotated to be connected with a second ball, and the second balls are symmetrically arranged on two sides of the connecting circular ring.
A cutting method of a mudstone shield tunnel high-pressure flushing cutting assembly comprises the following steps:
Step one: firstly, during the shield of a mudstone tunnel, a high-pressure flushing pump is utilized to convey clear water in a water tank to the inside of a hose through a conveying pipe, after a control ball valve is opened, the clear water is respectively conveyed to a second fixed pipeline and a first fixed pipeline arranged in a rotating mechanism through the hose, then the clear water is conveyed to the inside of a high-pressure flushing cutting mechanism through the first fixed pipeline, the clear water is split by a splitting box and conveyed to a high-pressure spray head by a miniature water pump for flushing operation, and as a plurality of high-pressure spray heads are provided with independent miniature water pumps, the flushing force can be improved immediately, and then the existing mudstone of the cutterhead can be cut and flushed, so that the problem of blocking a cutterhead caused by the adhesion of mud cakes and dregs on a cutterhead panel, an opening and a cutterhead hole is avoided;
Step two: during the flushing of the shield cutterhead, the driving gear is driven by the driving motor to rotate, so that the second fixed pipeline simultaneously rotates under the meshing action of the teeth and the driving gear, and the high-pressure flushing cutting mechanism is immediately driven to be positioned in the mud water bin for rotating high-pressure flushing cutting operation, so that the tunneling efficiency of the mudstone shield can be immediately further improved, and the problem of cutter hole blockage caused by flushing in place is further avoided;
Step three, a step of performing; during the high-pressure flushing cutting of the mudstone shield tunnel, the hydraulic telescopic rod arranged in the telescopic mechanism is driven by the hydraulic telescopic rod, so that the first fixed pipeline, the second fixed pipeline, the high-pressure flushing cutting mechanism and the connecting pipeline are positioned in the shield equipment to transversely slide, the high-pressure water is sprayed out at a high speed by the instant high-pressure flushing cutting mechanism, the mud passing through the mud sump is flushed to the back part of the cutter disc, the opening and the cutter hole area of the shield equipment by the high-speed high-pressure water, the area is flushed and mud cakes are cut, the high-pressure flushing cutting mechanism can be driven by the telescopic mechanism to reciprocate in the flushing process, the flushing and cutting distance change is realized, the short-distance high-speed high-pressure flushing and cutting requirements of the cutting area are met, and the requirement of wide flushing coverage is also met.
The invention has at least the following beneficial effects:
1. When the invention is used, clean water in the water tank is conveyed to the inside of the hose through the conveying pipe by the high-pressure flushing pump, after the control ball valve is opened, the clean water is respectively conveyed to the second fixed pipeline and the first fixed pipeline arranged in the rotating mechanism through the hose, then the clean water is conveyed to the inside of the high-pressure flushing cutting mechanism through the first fixed pipeline, the clean water is split by the split box and conveyed to the high-pressure spray heads by the micro water pump for flushing operation, and as the plurality of high-pressure spray heads are provided with the independent micro water pumps, the flushing force can be improved immediately, and then the cutter disc can be cut and flushed by the mudstone, so that the problem of blocking the cutter holes caused by adhesion of mud cakes and dregs on the panel of the cutter disc and openings of the cutter holes is avoided.
2. According to the invention, the driving gear is driven to rotate by the driving motor through the rotating mechanism, so that the second fixed pipeline simultaneously rotates under the meshing action of the teeth and the driving gear, and the high-pressure flushing cutting mechanism is immediately driven to be positioned in the mud water bin for rotating high-pressure flushing cutting operation, so that the tunneling efficiency of the mudstone shield can be immediately further improved, and the problem of cutter hole blockage caused by flushing in place is further avoided.
3. The high-pressure flushing cutting mechanism and the telescopic mechanism are arranged, the hydraulic telescopic rod arranged in the telescopic mechanism is driven by the hydraulic telescopic rod, so that the first fixed pipeline, the second fixed pipeline, the high-pressure flushing cutting mechanism and the connecting pipeline can transversely slide in the shield equipment, the high-pressure flushing cutting mechanism sprays high-pressure water at a high speed in real time, the high-speed high-pressure water flushes mud passing through the mud sump to the back part, the opening and the cutter hole area of the cutter head of the shield equipment, the area is flushed and mud cakes are cut, the high-pressure flushing cutting mechanism can be driven by the telescopic mechanism to reciprocate in the flushing process, the flushing and cutting distance change is realized, the short-distance high-speed high-pressure flushing and cutting requirements of the flushing cutting area are met, and the requirement of wide flushing coverage is also met.
Drawings
FIG. 1 is a schematic view of an axial structure of one side of the present invention;
FIG. 2 is a schematic diagram of the structure of the other side of the shaft of the present invention;
FIG. 3 is a schematic view of the structure of the high-pressure nozzle of the present invention;
FIG. 4 is a schematic view of the front shield front bulkhead structure of the present invention;
FIG. 5 is a schematic view of the telescopic mechanism of the present invention;
FIG. 6 is a schematic view of a supporting shaft hole structure according to the present invention;
FIG. 7 is a schematic view of a connecting sleeve according to the present invention;
FIG. 8 is a schematic view of a first hose structure according to the present invention;
FIG. 9 is a schematic view of the gasket of the present invention;
Fig. 10 is a schematic view of a ball structure according to the present invention.
In the figure: shield apparatus 1, slurry storage 2, front shield front bulkhead 3, front shield middle bulkhead 4, front shield rear bulkhead 5, rotation mechanism 6, first fixed pipe 601, second fixed pipe 602, connection circular plate 603, tooth 604, limit circular plate 605, driving gear 606, driving motor 607, support shaft hole 7, high-pressure flushing cutting mechanism 8, diversion tank 801, high-pressure nozzle 802, micro water pump 803, water injection pipe 804, fixing component 805, telescoping mechanism 9, fixed circular plate 901, fixing seat 902, hydraulic telescoping rod 903, bolts 904, nuts 905, connection pipe 10, first flange 11, second flange 12, hose 13, rotation groove 14, seal groove 15, gasket 16, positioning mechanism 17, connection circular ring 1701, first ball 1702, second ball 1703, hose connection sleeve 18, control ball valve 19, high-pressure flushing pump 20, water tank 21, and delivery pipe 22.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Please refer to fig. 1-10
Example 1
The high-pressure scouring and cutting assembly for the mudstone shield tunnel comprises shield equipment 1, a rotating mechanism 6, a high-pressure scouring and cutting mechanism 8, a telescopic mechanism 9 and a positioning mechanism 17; a front shield front partition plate 3, a front shield middle partition plate 4 and a front shield rear partition plate 5 are fixedly connected in sequence from left to right in the shield equipment 1, and a mud water bin 2 is arranged between the shield equipment 1 and the front shield front partition plate 3;
The rotating mechanism 6 comprises a first fixed pipeline 601, one end of the first fixed pipeline 601 is fixedly connected with a second fixed pipeline 602, a connecting circular plate 603 is fixedly connected between the first fixed pipeline 601 and the second fixed pipeline 602, the outer side of the second fixed pipeline 602 is fixedly connected with a tooth 604, one end of the second fixed pipeline 602 is fixedly connected with a limiting circular plate 605, the bottom of the second fixed pipeline 602 is provided with a driving gear 606, and the inside of the driving gear 606 is fixedly connected with the output end of a driving motor 607;
The high-pressure flushing cutting mechanism 8 comprises a distribution box 801, a high-pressure spray nozzle 802 is fixedly connected to one side of the distribution box 801, a micro water pump 803 is fixedly connected to the adjacent side of the distribution box 801, and a water injection pipe 804 is fixedly connected among the high-pressure spray nozzle 802, the distribution box 801 and the micro water pump 803.
The specific implementation process comprises the following steps: during the shield of the mudstone tunnel by the shield equipment 1, clean water in the water tank 21 is conveyed to the inside of the hose 13 through the conveying pipe 22 by utilizing the high-pressure flushing pump 20, after the control ball valve 19 is opened, the clean water is respectively conveyed to the second fixed pipeline 602 and the first fixed pipeline 601 arranged in the rotating mechanism 6 through the hose 13, then the clean water is conveyed to the inside of the high-pressure flushing cutting mechanism 8 through the first fixed pipeline 601, the clean water is split by the split box 801 and conveyed to the high-pressure spray heads 802 by the micro water pump 803 for flushing operation, and as the plurality of high-pressure spray heads 802 are provided with the independent micro water pumps 803, the flushing force can be improved immediately, so that the cutterhead can be cut and flushed with the mudstone, and the problem that the cutterhead panel, the opening, the cutterhead hole are adhered with the mud cake and the dregs are accumulated to cause the blockage of the cutterhead can be avoided.
A cutting method of a mudstone shield tunnel high-pressure flushing cutting assembly comprises the following steps:
Step one: firstly, during the shield of a mudstone tunnel by shield equipment 1, clean water in a water tank 21 is conveyed to the inside of a hose 13 through a conveying pipe 22 by utilizing a high-pressure flushing pump 20, after a control ball valve 19 is opened, the clean water is respectively conveyed to a second fixed pipeline 602 and a first fixed pipeline 601 arranged in a rotating mechanism 6 through the hose 13, then the clean water is conveyed to the inside of a high-pressure flushing cutting mechanism 8 through the first fixed pipeline 601, the clean water is split by a split box 801 and conveyed to a high-pressure spray nozzle 802 by a micro water pump 803 for flushing operation, and as a plurality of high-pressure spray nozzles 802 are provided with independent micro water pumps 803, the force of flushing can be improved immediately, so that the cutter disc can be cut and flushed with the mudstone, and the problem that a cutter disc panel, an opening, a cutter hole are adhered with a mud cake and slag soil are accumulated to cause the cutter hole blockage can be avoided;
Step two: during the flushing of the shield cutter head, the driving gear 606 is driven to rotate by the driving motor 607, so that the second fixed pipeline 602 rotates simultaneously under the meshing action of the teeth 604 and the driving gear 606, and the high-pressure flushing cutting mechanism 8 is immediately driven to be positioned in the mud water bin 2 for rotating high-pressure flushing cutting operation, so that the tunneling efficiency of the mudstone shield can be immediately further improved, and the problem of cutter hole blockage caused by flushing in place is further avoided;
Step three, a step of performing; during the high-pressure flushing cutting process of the mudstone shield tunnel, the hydraulic telescopic rod 903 arranged in the telescopic mechanism 9 is driven by the hydraulic telescopic rod 903, so that the first fixed pipeline 601, the second fixed pipeline 602, the high-pressure flushing cutting mechanism 8 and the connecting pipeline 10 are positioned in the shield equipment 1 to transversely slide, the high-pressure flushing cutting mechanism 8 sprays high-pressure water at a high speed immediately, the high-speed high-pressure water flushes mud passing through the mud water bin 2 to the back, the opening and the cutter hole area of the cutter disc of the shield equipment 1, flushing and mud cake cutting are carried out on the area, the high-pressure flushing cutting mechanism 8 can be driven by the telescopic mechanism 9 to carry out reciprocating motion in the flushing process, and the change of flushing and cutting distance is realized, so that the requirements of short-distance high-speed high-pressure flushing and cutting of the flushing cutting area and the requirement of flushing coverage are met.
Example two
Based on embodiment one: the first fixed pipeline 601 is positioned in the front shield front baffle 3 and is in rotary connection, a plurality of teeth 604 are circularly arranged, the teeth 604 are in meshed connection with the driving gear 606, the inside of the front shield middle baffle 4 is fixedly connected with a support shaft hole 7, the second fixed pipeline 602 and the teeth 604 are both positioned in the support shaft hole 7 and are in rotary connection, and the driving motor 607 is fixedly connected to the lower end of one side of the front shield middle baffle 4;
The driving gear 606 is driven to rotate by the driving motor 607, so that the second fixed pipeline 602 rotates simultaneously under the meshing action of the teeth 604 and the driving gear 606, and the high-pressure flushing cutting mechanism 8 is driven to rotate in the mud water bin 2 to perform high-pressure flushing cutting operation, so that the tunneling efficiency of the mudstone shield can be improved, and the problem of cutter hole blockage caused by flushing in place is further avoided.
Example III
Based on embodiment one: the telescopic mechanism 9 comprises a fixed circular plate 901, wherein one side of the fixed circular plate 901 is circular, one side of the connecting circular plate 603 is circular, both the fixed seat 902 is fixedly connected with the fixed seat 902, a hydraulic telescopic rod 903 is arranged in the fixed seat 902, the fixed circular plate 901 is fixedly connected to one side of the front shield front baffle 3, the inside of the fixed circular plate 901 is of a hollow structure, one end of the hydraulic telescopic rod 903 is fixedly connected to one side of the front shield front baffle 3 through a bolt 904 and a nut 905, and the output end of the hydraulic telescopic rod 903 is fixedly connected to one side of the connecting circular plate 603 through the bolt 904 and the nut 905;
Through the inside hydraulic telescoping rod 903 that is equipped with of drive telescopic machanism 9, can make first fixed pipeline 601, the fixed pipeline 602 of second, high pressure erodees cutting mechanism 8 and connecting tube 10 are located the inside of shield structure 1 and carry out the lateral sliding under hydraulic telescoping rod 903's drive, instant high pressure erodees cutting mechanism 8 and spouts high-speed with high-pressure water, high-speed high-pressure water erodees the blade disc back of shield structure 1, opening and sword hole region after will passing mud sump 2, wash and mud cake cutting to this region, high pressure erodees cutting mechanism 8 accessible telescopic machanism 9 drive and carry out reciprocating motion in the flushing process, realize the change of erodeing and cutting distance, both satisfied the short distance high-speed high pressure of erodeing cutting region and the requirement of erodeing the cover face is wide also satisfied.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410314637.1A CN118008337A (en) | 2024-03-19 | 2024-03-19 | A high-pressure flushing cutting assembly for a mudstone shield tunnel and a cutting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410314637.1A CN118008337A (en) | 2024-03-19 | 2024-03-19 | A high-pressure flushing cutting assembly for a mudstone shield tunnel and a cutting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118008337A true CN118008337A (en) | 2024-05-10 |
Family
ID=90957799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410314637.1A Pending CN118008337A (en) | 2024-03-19 | 2024-03-19 | A high-pressure flushing cutting assembly for a mudstone shield tunnel and a cutting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118008337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120007283A (en) * | 2025-04-16 | 2025-05-16 | 中国电建集团华东勘测设计研究院有限公司 | A telescopic rotating water spraying device and method for the front of a shield cutterhead |
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| CN215097503U (en) * | 2021-06-08 | 2021-12-10 | 河北蓝川科技股份有限公司 | Vehicle washing unit |
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| JPH05171641A (en) * | 1991-12-20 | 1993-07-09 | Shimizu Corp | Pipe digging equipment |
| JPH05263525A (en) * | 1992-03-18 | 1993-10-12 | Daiho Constr Co Ltd | Concrete automatic spray device in deep foundation work |
| JPH1150788A (en) * | 1997-08-04 | 1999-02-23 | Mitsubishi Heavy Ind Ltd | Tunnel boring machine |
| JPH11141284A (en) * | 1997-11-10 | 1999-05-25 | Susumu Nasu | Ground drilling rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN120007283A (en) * | 2025-04-16 | 2025-05-16 | 中国电建集团华东勘测设计研究院有限公司 | A telescopic rotating water spraying device and method for the front of a shield cutterhead |
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