CN106761791B - Tunnel boring machine and construction method thereof - Google Patents
Tunnel boring machine and construction method thereof Download PDFInfo
- Publication number
- CN106761791B CN106761791B CN201710037715.8A CN201710037715A CN106761791B CN 106761791 B CN106761791 B CN 106761791B CN 201710037715 A CN201710037715 A CN 201710037715A CN 106761791 B CN106761791 B CN 106761791B
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- China
- Prior art keywords
- frame
- chain
- section
- rock soil
- boring machine
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
Abstract
The invention provides a tunnel boring machine and a construction method thereof, wherein the tunnel boring machine comprises a frame, the frame is divided into a front section, an intracavity excavation section and a tail section, the outer contour line of the frame is the same as the outer contour line of a tunnel, the front section consists of a frame excavation device and a soil sealing section, the frame excavation device arranged in the head of the front section frame only excavates annular rock soil of the projection area of the frame, the excavated annular rock soil of the head is conveyed to the rear by a rock soil conveying device in the front section frame, the front section of the frame and the intracavity excavation section are in a horizontal cylindrical shape with an opening at the head, and the rock soil which is not excavated and has a certain length in the front section frame forms a waterproof soil sealing section of the boring machine; the inner cavity excavating section only excavates rock soil in the cavity, and the tail section carries out tunnel construction. The advantages are that: the rock soil is excavated at the rear part of the cavity of the tunneling machine, the construction is safe, the manufacturing process of the tunnel tunneling machine is simple, the excavated profile of the tunneling machine is the profile of the tunnel, the construction quality is good, the period is short, and the cost is low.
Description
Technical Field
The invention relates to a tunnel boring machine and a construction method thereof, belonging to the technical field of civil engineering foundation construction.
Background
The existing tunnel boring machine has complex manufacturing process and high technical added value, only a few international enterprises in countries have capacity production, and the manufacturing cost is high.
Disclosure of Invention
The invention provides a tunnel boring machine and a construction method thereof, aiming at overcoming the defects in the prior art and having the main advantages that: the manufacturing process of the tunnel boring machine is simple, the contour excavated by the tunnel boring machine is the contour of a tunnel, rock soil is excavated at the rear part of the cavity of the tunnel boring machine, and the tunnel boring machine is safe in construction, good in quality, short in construction period and low in cost.
The technical solution of the invention is as follows: a tunnel boring machine comprises a frame, wherein the frame is divided into a front section, an intracavity excavation section and a tail section, the outer contour line of the frame is the same as the outer contour line of a tunnel, the front section consists of a frame excavation device and a soil sealing section, the frame excavation device arranged in the head of the front section only excavates annular rock soil with the projection area of the frame, the excavated annular rock soil at the head is conveyed to the rear part through a rock soil conveying device in the front section, the front section and the intracavity excavation section of the frame are in a horizontal cylindrical shape with an opening at the head part, and the rock soil which is not excavated and has a certain length in the front section frame forms a waterproof soil sealing section of the boring machine; the inner cavity excavating section only excavates rock soil in the cavity, and the tail section carries out tunnel construction.
The frame excavating device is a chain type excavating device, the chain type excavating device consists of a transmission device and a chain cutter, the transmission device consists of a driving device, a tensioning device and a chain wheel, and the chain cutter consists of a chain and a cutter for excavating rock soil, wherein the cutter is fixed on the chain; the chain cutter of the digging part is positioned at the outer side of the frame, and the chain cutter of the returning part is positioned in the frame; during construction, the driving device drives the chain cutter to operate, the cutter at the front end of the frame excavates rock soil, only annular rock soil on the projection part of the cross section of the frame is excavated, the excavated rock soil is conveyed to an inlet of a rock soil conveyor in the frame, the rock soil conveyor conveys the rock soil to the rear in the frame, and the front end of the frame is provided with a slurry nozzle.
The frame is internally provided with a personnel channel and a corresponding maintenance space, and the chain cutter is replaced inside the frame so as to adapt to different geological conditions.
The invention has the advantages that: the rock soil is excavated at the rear part of the cavity of the tunneling machine, the construction is safe, the manufacturing process of the tunnel tunneling machine is simple, the excavated profile of the tunneling machine is the profile of the tunnel, the construction quality is good, the period is short, and the cost is low.
Drawings
Fig. 1 is a schematic structural diagram of a tunnel boring machine composed of a front section 1, an intracavity excavation section 2 and a tail section 3, and is also a schematic structural diagram of excavated rock soil directly sent to the rear by a chain cutter 4;
FIG. 2 is a view from the direction A of FIG. 1, and a schematic view of the structure of a chain type excavating device 1-1 also composed of a driving device 1-1-1, a sprocket 1-1-2 and a chain cutter 4;
FIG. 3 is a view from direction B of FIG. 1, which is also a schematic structural view of a section of an excavating frame of the tunnel boring machine, and is also a schematic structural view of a layout of chain cutters 4 of a rock-soil excavating surface of the tunnel boring machine;
FIG. 4 is an enlarged view of section I of FIG. 1, also showing the construction of the mud nozzle 1-3-1 on the frame 1-3, and also showing the construction of the return portion of the chain blade 4 inside the frame, wherein the chain blades 4 of the two rows are nested in one another by being offset, and the width of the chain blades of the non-digging surface is less than the width of the digging surface to allow the chain blades 4 to return inside the frame;
FIG. 5 is a schematic structural diagram of the chain knife 4, (a) is a schematic structural diagram of the chain 4-1 and the knife 4-2, and is also a schematic structural diagram of a cross joint 4-1 of the chain 4-1 composed of the A cross joint 4-1-1 and the B cross joint 4-1-2; is also a structural schematic diagram of the chain 4-1 for realizing space bending. (b) Is a structural schematic diagram of a chain cutter consisting of a rope 4-1B and a cutter 4-2B; is also a structural schematic diagram of the rope 4-1B and the cutter 4-2B;
fig. 6 is a schematic structural view showing that the rock soil excavated by the tunnel boring machine is delivered to an inlet of the rock soil conveyor 5 in the frame by the chain cutter 4, and the rock soil conveyor 5 delivers the rock soil to the rear in the frame;
fig. 7 is a view a-a of fig. 6, which is also a schematic view of the structure of the geotechnical conveyor 5 in the frame 3-1 of the tail section 3, and is also a schematic view of the structure of the frame in which a personnel access and a corresponding maintenance space are provided;
figure 8 is a schematic structural view of the chain cutter track of the tunnel boring machine 1, the track being of the type comprising 5 of A, B, C1, C2 and D, wherein a is planar, B is convex, and C1, C2 are concave;
FIG. 9 is a schematic view of a structure in which D is a plurality of longitudinal rows of rails which are staggered and tapered;
figure 10 is a schematic view of the configuration of the D-track and rows of chain knives of the tunnel boring machine 1;
figure 1 is the front section of the tunnel boring machine; 1-1 is the frame excavating device of the front section 1, and is also a chain excavating device; 1-1-1 is a driving device of the chain type excavating device 1-1; 1-1-2 is a sprocket of the chain excavating device 1-1; 1-2 is the soil sealing section of the preceding section 1; 1-3 are the frames of the preceding paragraph 1; 1-3-1 is a slurry nozzle on frame 1-3; 2 is an intracavity excavating section of the tunnel boring machine; 2-1 is the framework of the intracavity excavation section 2; 3 is the tail section of the tunnel boring machine; 3-1 is the frame of the tail section 3; 4 is a chain cutter constituting the chain type excavating device 1-1; 4-1 is a chain forming the chain cutter 4, comprising a crawler belt, a rope and a flexible belt; 4-1-1 is A ten bytes which make up ten bytes of the chain; 4-1-2 is the B ten bytes that make up the ten bytes of the chain; 4-1B is a steel cord constituting the chain cutter 4; 4-2 is a cutter for excavating rock soil fixed on the chain 4-1; 4-2B is a tool for excavating rock soil fixed on the steel cable 4-1B; and 5 is a rock-soil conveyor in the frame.
Detailed Description
A tunnel boring machine comprises a frame, wherein the frame is divided into a front section, an intracavity excavation section and a tail section, the outer contour line of the frame is the same as the outer contour line of a tunnel, the front section consists of a frame excavation device and a soil sealing section, the frame excavation device arranged in the head of the front section only excavates annular rock soil with the projection area of the frame, the excavated annular rock soil at the head is conveyed to the rear part through a rock soil conveying device in the front section, the front section and the intracavity excavation section of the frame are in a horizontal cylindrical shape with an opening at the head part, and the rock soil which is not excavated and has a certain length in the front section of the frame forms a waterproof soil sealing section of the boring machine; the inner cavity excavating section only excavates rock soil in the cavity, and the tail section carries out tunnel construction.
The frame excavating device is a chain excavating device, the chain excavating device consists of a transmission device and a chain cutter, the transmission device consists of a driving device, a tensioning device and a chain wheel, and the chain cutter consists of a chain and a cutter for excavating rock soil, wherein the cutter is fixed on the chain; the chain cutter of the digging part is positioned at the outer side of the frame, and the chain cutter of the returning part is positioned in the frame; during construction, the driving device drives the chain cutter to operate, the cutter at the front end of the frame excavates rock soil, only annular rock soil on the projection part of the cross section of the frame is excavated, the excavated rock soil is conveyed to an inlet of a rock soil conveyor in the frame, the rock soil conveyor conveys the rock soil to the rear in the frame, and the front end of the frame is provided with a slurry nozzle.
The frame is internally provided with a personnel passage and a corresponding maintenance space.
The chain cutter is replaced in the frame to adapt to different geological conditions.
The chain cutter is a plurality of rows of chain cutters, and the chain cutters are dug simultaneously or respectively according to needs.
The chain knives in the rows are arranged in a conical shape on the digging surface.
The tunnel boring machine is used for pipe jacking construction.
The tunnel boring machine is used for shield construction.
The chain forming the chain cutter is a broad chain and comprises a crawler belt, a rope and a flexible belt.
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 and 3, the tunnel boring machine comprises a front section 1, an intracavity excavation section 2 and a tail section 3 of the tunnel boring machine, wherein the outline of a frame 1-3 of the front section 1 is the same as the outline of the tunnel, the front section 1 consists of a frame excavation device 1-1, an earth seal section 1-2 and a frame 1-3, the frame excavation device 1-1 arranged in the head of the front section 1-3 only excavates annular rock soil of the projection area of the frame, the excavated annular rock soil of the head is conveyed to the rear part through a conveying device formed by a chain cutter in the front section, the front section 1 and the intracavity excavation section 2 are in a horizontal cylindrical shape with an open head, and the unearthed rock soil of a certain length in the front section 1-3 forms the waterproof earth seal section 1-2 of the tunnel boring machine; the intracavity excavation section 2 only excavates rock soil in the cavity, and the tail section carries out tunnel construction.
As shown in fig. 2, 4 and 5, the excavating device 1-1 of the front section 1 is a chain type excavating device, the chain type excavating device 1-1 is composed of a driving device 1-1-1, a chain wheel 1-1-2 and a chain cutter 4, the chain cutter 4 is composed of a chain 4-1 and a cutter 4-2 for excavating rock soil fixed on the chain; the chain blades 4 of the digging part are located outside the frame and the chain blades of the return part are located inside the frame.
As shown in figure 6, during construction, a driving device drives a chain 4-1 to drive a cutter to operate, the cutter 4-2 at the front end of a frame excavates rock soil, only annular rock soil on the projection part of the cross section of the frame is excavated, the excavated rock soil is conveyed to an inlet of a rock soil conveyor 5 in the frame, the rock soil conveyor 5 conveys the rock soil to the rear in the frame, and a slurry nozzle 1-3-1 is arranged at the front end of the frame 1-3.
As shown in figure 7, a man way and corresponding service space are provided in the frame of the tunnel boring machine.
Claims (8)
1. A tunnel boring machine is characterized by comprising a frame, wherein the frame is divided into a front section, an intracavity excavation section and a tail section, the outer contour line of the frame is the same as the outer contour line of a tunnel, the front section consists of a frame excavation device and an earth sealing section, the frame excavation device arranged in the head of the front section only excavates annular rock soil of the projection area of the frame, the frame excavation device is a chain excavation device, the chain excavation device consists of a transmission device and a chain cutter, the transmission device consists of a driving device, a tensioning device and a chain wheel, and the chain cutter consists of a chain and a rock soil excavation cutter fixed on the chain; the chain cutter of the digging part is positioned at the outer side of the frame, and the chain cutter of the returning part is positioned in the frame; during construction, the driving device drives the chain cutter to operate, the cutter at the front end of the frame excavates rock soil, only annular rock soil on the projection part of the cross section of the frame is excavated, the excavated rock soil is sent to an inlet of a rock soil conveyor in the frame, the rock soil conveyor sends the rock soil to the rear in the frame, the front end of the frame is provided with a slurry nozzle, the annular rock soil excavated at the head is sent to the rear through the rock soil conveyor in the front section, the front section of the frame and the excavation section in the cavity are in a horizontal cylindrical shape with an open head, and the rock soil which is not excavated and has a certain length in the front frame forms a waterproof soil sealing section of the development machine; the inner cavity excavating section only excavates rock soil in the cavity, and the tail section carries out tunnel construction.
2. A tunnel boring machine according to claim 1, wherein a personnel access and corresponding service space is provided within the frame.
3. A tunnel boring machine according to claim 1 or claim 2, wherein the chain cutter is replaceable within the frame to accommodate different geological conditions.
4. A tunnel boring machine according to claim 1, wherein the chain cutters are rows of chain cutters which may be driven simultaneously or separately as required.
5. A tunneling machine according to claim 4 wherein said rows of chain cutters are arranged in a tapered configuration at the digging face.
6. A tunnel boring machine according to claim 1, wherein the tunnel boring machine is a tunnel boring machine for pipe-jacking construction.
7. A tunnelling machine as claimed in claim 1, which is a tunnelling machine for shield construction.
8. A tunnel boring machine according to claim 1, wherein the chain comprising the chain cutter is a broad chain comprising a track, a rope and a flexible belt.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037715.8A CN106761791B (en) | 2017-01-18 | 2017-01-18 | Tunnel boring machine and construction method thereof |
| PCT/CN2018/072521 WO2018133741A1 (en) | 2017-01-18 | 2018-01-13 | Tunnel excavator and construction method for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037715.8A CN106761791B (en) | 2017-01-18 | 2017-01-18 | Tunnel boring machine and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106761791A CN106761791A (en) | 2017-05-31 |
| CN106761791B true CN106761791B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710037715.8A Active CN106761791B (en) | 2017-01-18 | 2017-01-18 | Tunnel boring machine and construction method thereof |
Country Status (2)
| Country | Link |
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| CN (1) | CN106761791B (en) |
| WO (1) | WO2018133741A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761791B (en) * | 2017-01-18 | 2020-05-08 | 王燏斌 | Tunnel boring machine and construction method thereof |
| CN109339814B (en) * | 2018-10-11 | 2023-10-27 | 中交第二航务工程局有限公司 | Full-face chain type tunneling assembly tunneling machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203594A (en) * | 1988-02-10 | 1989-08-16 | Hazama Gumi Ltd | Tunnel excavator |
| CN204646246U (en) * | 2015-05-13 | 2015-09-16 | 中铁上海工程局集团有限公司 | A kind of crawler type cutterhead earth pressure balance rectangular pipe jacking machine |
| KR20160062518A (en) * | 2014-11-25 | 2016-06-02 | 최희숙 | The Tunnel Sturucture for None Open Cut Type Tunnel Pressing |
| CN105888677A (en) * | 2016-05-09 | 2016-08-24 | 江苏鸿基节能新技术股份有限公司 | Underground pipe gallery construction device, combination and construction method |
| CN207728366U (en) * | 2017-01-18 | 2018-08-14 | 王燏斌 | A kind of rock tunnel(ling) machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT10343U1 (en) * | 2007-11-15 | 2009-01-15 | Sandvik Mining & Constr Oy | BORING MACHINE |
| CN102287202B (en) * | 2010-06-20 | 2015-05-13 | 张有贤 | Intersection chain cut set group profiling recursion roll collar supporting and building type full-face tunnel boring machine |
| CN203640741U (en) * | 2013-12-20 | 2014-06-11 | 广东省基础工程公司 | Combined pipe jacking machine with large rectangular cross section |
| JP5584813B2 (en) * | 2013-12-20 | 2014-09-03 | 鹿島建設株式会社 | Shield tunnel construction method |
| CN206617172U (en) * | 2017-01-18 | 2017-11-07 | 王燏斌 | A kind of rock tunnel(ling) machine |
| CN106761791B (en) * | 2017-01-18 | 2020-05-08 | 王燏斌 | Tunnel boring machine and construction method thereof |
| CN106640103A (en) * | 2017-01-18 | 2017-05-10 | 王燏斌 | Tunnel boring machine and construction method thereof |
-
2017
- 2017-01-18 CN CN201710037715.8A patent/CN106761791B/en active Active
-
2018
- 2018-01-13 WO PCT/CN2018/072521 patent/WO2018133741A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01203594A (en) * | 1988-02-10 | 1989-08-16 | Hazama Gumi Ltd | Tunnel excavator |
| KR20160062518A (en) * | 2014-11-25 | 2016-06-02 | 최희숙 | The Tunnel Sturucture for None Open Cut Type Tunnel Pressing |
| CN204646246U (en) * | 2015-05-13 | 2015-09-16 | 中铁上海工程局集团有限公司 | A kind of crawler type cutterhead earth pressure balance rectangular pipe jacking machine |
| CN105888677A (en) * | 2016-05-09 | 2016-08-24 | 江苏鸿基节能新技术股份有限公司 | Underground pipe gallery construction device, combination and construction method |
| CN207728366U (en) * | 2017-01-18 | 2018-08-14 | 王燏斌 | A kind of rock tunnel(ling) machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018133741A1 (en) | 2018-07-26 |
| CN106761791A (en) | 2017-05-31 |
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