CN113944474A - Rectangular rock tunnel TBM (Tunnel boring machine) - Google Patents
Rectangular rock tunnel TBM (Tunnel boring machine) Download PDFInfo
- Publication number
- CN113944474A CN113944474A CN202111245847.2A CN202111245847A CN113944474A CN 113944474 A CN113944474 A CN 113944474A CN 202111245847 A CN202111245847 A CN 202111245847A CN 113944474 A CN113944474 A CN 113944474A
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- China
- Prior art keywords
- oil cylinder
- cutter head
- rotary
- fan
- tbm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
- E21D9/0609—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering with means for applying a continuous liner, e.g. sheets of plastics, between the main concrete lining and the rock
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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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
- E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
- E21D9/065—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end with devices for provisionally supporting the front face
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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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a rectangular rock tunnel TBM (tunnel boring machine), which comprises a boring system, a tightening propulsion system, a supporting system, a transmission system and a rear matching system, wherein the boring system comprises a fan-shaped cutter head, a central shaft, a cutter head supporting shoe, a rotary upper oil cylinder, a rotary lower oil cylinder and a shield; the hob cutters on the fan-shaped cutter head are arranged in a circumferential mode, and the scrapers are arranged around the hob cutters, so that the rectangular rock tunnel TBM heading machine can realize one-step forming of a rectangular tunnel, subsequent backfilling work is not needed, the section utilization rate is high, and the construction cost is low; the rectangular rock tunnel TBM tunneling machine adopts the rotary fan-shaped cutter head, so that the torque generated in the working process of the cutter head is reduced, the span of the main machine is shortened, the structure of the whole machine is more compact, and the manufacturing cost of equipment is reduced; the produced dregs of rectangle rock lane TBM entry driving machine directly drops in the tunnel bottom, is directly collected by material collecting device again, avoids the dregs to follow the inside operation of host computer, makes material and constructor separation, and the construction is more convenient.
Description
Technical Field
The invention belongs to the technical field of rock roadway TBM (tunnel boring machine), and particularly relates to a rectangular rock roadway TBM.
Background
In the excavation of a rock tunnel, compared with the traditional round tunnel, the rectangular tunnel has the advantages of high section utilization rate, no need of secondary backfilling and lower construction cost. Under the restriction of traditional TBM cutter head structural style, the excavation section of the rock tunnel is circular, and the tunnel can be used only by carrying out secondary treatment on the bottom of the tunnel subsequently. The section utilization rate and the construction cost of the rectangular tunnel formed in one step are both lower than those of the rectangular tunnel formed in one step, and the construction cost is low. In addition, a single circular section roadway cannot meet the requirements of special working conditions. The rectangular pipe jacking technology and the rectangular shield technology in the prior stage can realize one-step forming of a rectangular roadway, and cannot be applied to a hard rock roadway.
In combination with the above requirements, the development of a rectangular rock tunnel TBM tunneling machine is a new problem to be solved urgently, and can effectively meet the special requirements on the section of the special-shaped rock tunnel.
Disclosure of Invention
The invention aims to provide a rectangular rock tunnel TBM (tunnel boring machine) to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a rectangular rock tunnel TBM tunneling machine comprises a tunneling system, a supporting and propelling system, a supporting system, a transmission system and a rear matching system, wherein the tunneling system comprises a fan-shaped cutter head, a central shaft, a cutter head supporting shoe, a rotary upper oil cylinder, a rotary lower oil cylinder and a shield; the hobbing cutters on the fan-shaped cutter head are arranged in a circumferential mode, the scrapers are arranged around the hobbing cutters, the center of the fan-shaped cutter head body is provided with a central shaft, and two ends of the central shaft are provided with cutter head supporting shoes; the fan-shaped cutter head is connected with the shield through a rotary upper oil cylinder and a rotary lower oil cylinder; the upper part and the lower part of the shield are respectively provided with a rotary oil cylinder seat, the rotary oil cylinder seats are respectively installed with cylinder barrels of a rotary upper oil cylinder and a rotary lower oil cylinder, and piston rods of the rotary upper oil cylinder and the rotary lower oil cylinder are connected with lug seats on the fan-shaped cutter head;
the tightening propulsion system comprises a main beam, a propulsion system and a tightening system, wherein the propulsion system is arranged on two sides of the main beam, the tightening system is arranged behind the propulsion system and positioned on two sides of the main beam, and the propulsion system is connected with the tightening system;
the support system comprises a jumbolter and support protection, the jumbolter is slidably mounted on the main beam, and the support protection is mounted above the shield;
the rear matching system comprises matching devices such as a dragging oil cylinder, a trailer and a hydraulic station; the main beam is connected with a trailer by a dragging oil cylinder, and supporting devices such as a hydraulic station and the like are placed on the trailer;
the conveying system comprises a material receiving device, a primary transfer conveyor and a secondary transfer conveyor; the material collecting device is positioned at the bottom of the excavation section and is connected with a primary reversed loader, the primary reversed loader is positioned below the main beam and is arranged obliquely upwards, the tail of a secondary reversed loader is placed below the head of the primary reversed loader, and the secondary reversed loader is placed in the trailer in a convex arc shape.
Preferably, the track of the cutting edges of the hobs is vertical to the excavation section, and a plurality of rows of the hobs are horizontally arranged in parallel and are of a fan-shaped structure.
Preferably, the connection part of the propulsion system and the tightening system has two degrees of freedom of up-down and left-right rotation.
Preferably, the primary reversed loader and the bottom of the excavation section form an inclination angle of thirty degrees.
Compared with the prior art, the invention has the beneficial effects that: the rectangular rock tunnel TBM tunneling machine can realize one-step molding of the rectangular tunnel, does not need subsequent backfilling work, and has high section utilization rate and low construction cost;
the rectangular rock tunnel TBM tunneling machine adopts the rotary fan-shaped cutter head, so that the torque generated in the working process of the cutter head is reduced, the span of the main machine is shortened, the structure of the whole machine is more compact, and the manufacturing cost of equipment is reduced;
the muck generated by the rectangular rock tunnel TBM heading machine provided by the invention directly falls to the bottom of the tunnel and is directly collected by the material receiving device, so that the muck is prevented from running from the interior of the main machine, the material is separated from constructors, and the construction is more convenient.
Drawings
FIG. 1 is a structural front view of a rectangular rock tunnel TBM heading machine of the invention;
FIG. 2 is a schematic diagram of a cross-sectional layer excavated by the rectangular rock tunnel TBM tunneling machine of the invention;
in the figure: 1. a fan-shaped cutter head; 1-1 hob; 1-2 fan-shaped cutter head bodies; 1-3, a scraper; 2. a central shaft; 3. a cutter head support shoe; 4. rotating the upper oil cylinder; 5. rotating the lower oil cylinder; 6. a shield; 7. a main beam; 8. a propulsion system; 9. a tightening system; 10. a jumbolter; 11. protecting in a supporting way; 12. dragging the oil cylinder; 13. a trailer; 14. a matching device; 15. a material receiving device; 16. a primary reversed loader; 17. a secondary reversed loader.
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.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution: a rectangular rock tunnel TBM tunneling machine comprises a tunneling system, a supporting and propelling system, a supporting system, a transmission system and a rear matching system, wherein the tunneling system comprises a fan-shaped cutter head 1, a central shaft 2, a cutter head supporting shoe 3, a rotary upper oil cylinder 4, a rotary lower oil cylinder 5 and a shield 6; hobbing cutters 1-1 on a fan-shaped cutter head 1 are arranged in a circumferential manner, the periphery of the hobbing cutters 1-1 is provided with a scraper 1-3, the center of the fan-shaped cutter head body 1-2 is provided with a central shaft 2, and two ends of the central shaft 2 are provided with cutter head supporting shoes 3; the fan-shaped cutter head 1 is connected with the shield 6 through a rotary upper oil cylinder 4 and a rotary lower oil cylinder 5; the upper part and the lower part of the shield 6 are respectively provided with a rotary oil cylinder seat, the rotary oil cylinder seats are respectively installed with the cylinder barrels of the rotary upper oil cylinder 4 and the rotary lower oil cylinder 5, and the piston rods of the rotary upper oil cylinder 4 and the rotary lower oil cylinder 5 are connected with the lug seats on the fan-shaped cutter head 1;
the tightening propulsion system comprises a main beam 7, a propulsion system 8 and a tightening system 9, wherein the propulsion system 8 is arranged on two sides of the main beam 7, the tightening system 9 is arranged behind the propulsion system 8 and positioned on two sides of the main beam 7, and the propulsion system 8 is connected with the tightening system 9;
the support system comprises an anchor rod drilling machine 10 and a support protection 11, wherein the anchor rod drilling machine 10 is slidably mounted on the main beam 7, and the support protection 11 is mounted above the shield 6;
the rear matching system comprises a dragging oil cylinder 12, a trailer 13, a hydraulic station and other matching devices 14; a main beam 7 is connected with a trailer 13 through a dragging oil cylinder 12, and supporting devices 14 such as a hydraulic station and the like are placed on the trailer 13;
the transmission system comprises a material receiving device 15, a primary transfer machine 16 and a secondary transfer machine 17; the material receiving device 15 is located at the bottom of an excavation section and is connected with a primary reversed loader 16, the primary reversed loader 16 is located below the main beam 7 and is arranged obliquely upwards, a secondary reversed loader 17 tail is placed below a machine head of the primary reversed loader 16, and the secondary reversed loader 17 is placed in the trailer 13 in a convex arc shape.
In this embodiment, preferably, the blade track of the hob 1-1 is vertical to the excavation section, and the rows of hobs 1-1 are horizontally arranged in parallel and have a sector-like structure.
In the present embodiment, the connection between the propulsion system 8 and the tightening system 9 preferably has two degrees of freedom for up-down and left-right rotation.
In this embodiment, the primary reversed loader 16 preferably has an inclination angle of thirty degrees with respect to the bottom of the excavation section.
The working principle and the using process of the invention are as follows: the fan-shaped cutter head 1 is driven by the rotary upper oil cylinder 4 and the rotary lower oil cylinder 5 to realize rotation by taking the central shaft 2 as the center of a circle, the front view of the excavated roadway is semicircular, and the section of the excavated roadway is rectangular; the horizontal span of the multiple rows of hobbing cutters is the width of the roadway; the diameter of the rotary motion of the cutter head is the height of the excavated roadway;
in the process of rotating the fan-shaped cutter head, cutting broken rocks by the extrusion of the hob 1-1, scraping the broken rocks from the wall of the hole by using the scraper 1-3, enabling the broken rocks to fall to the bottom of the roadway, collecting slag by using a material receiving device, and conveying the slag out of the roadway by using a primary loader and a secondary reversed loader;
the torque generated by the adopted rotary fan-shaped cutter head during rock breaking is smaller than that of a conventional disc cutter head, so that the span of a propulsion and tensioning system of the rectangular rock tunnel TBM tunneling machine is smaller than that of a conventional machine type; the propulsion systems 8 and 9 on the left side and the right side of the tightening propulsion system of the rectangular TBM are connected, and have two degrees of freedom of up-down and left-right rotation; the supporting system 9 moves back and forth under the telescopic action of the propelling system 8, so that the TBM heading machine and a rear matching system move forward and backward; in the tunneling process of the TBM tunneling machine, the stretching system 9 stretches the tunnel wall to provide forward supporting force for the whole TBM tunneling machine, and the stretching system 9 slowly extends out from the initial position to realize forward movement of the rectangular TBM; when the heading machine needs to change steps, the stretching system 9 retracts, the cutter head supporting shoes 3 extend out of the stretching hole wall, the rotary upper oil cylinder 4 and the rotary lower oil cylinder 5 are locked, the level of the main machine is kept, and the propelling system 8 stretches to the initial position, so that the steps of the rectangular TBM are changed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a rectangle rock lane TBM entry driving machine, includes tunnelling system, props tight advancing system, support system, transmission system, back supporting system, its characterized in that: the tunneling system comprises a fan-shaped cutter head (1), a central shaft (2), a cutter head supporting shoe (3), a rotary upper oil cylinder (4), a rotary lower oil cylinder (5) and a shield (6); the rotary cutters (1-1) on the fan-shaped cutter head (1) are arranged in a circumferential mode, scrapers (1-3) are installed on the periphery of the rotary cutters (1-1), a central shaft (2) is installed in the center of the fan-shaped cutter head body (1-2), and cutter head supporting shoes (3) are installed at two ends of the central shaft (2); the fan-shaped cutter head (1) is connected with the shield (6) through a rotary upper oil cylinder (4) and a rotary lower oil cylinder (5); the upper part and the lower part of the shield (6) are respectively provided with a rotary oil cylinder seat, the rotary oil cylinder seats are respectively installed with a cylinder barrel of a rotary upper oil cylinder (4) and a rotary lower oil cylinder (5), and piston rods of the rotary upper oil cylinder (4) and the rotary lower oil cylinder (5) are connected with lug seats on the fan-shaped cutter head (1);
the tightening propulsion system comprises a main beam (7), a propulsion system (8) and a tightening system (9), wherein the propulsion system (8) is arranged on two sides of the main beam (7), the tightening system (9) is arranged behind the propulsion system (8) and located on two sides of the main beam (7), and the propulsion system (8) is connected with the tightening system (9);
the support system comprises an anchor rod drilling machine (10) and a support protection (11), wherein the anchor rod drilling machine (10) is slidably mounted on the main beam (7), and the support protection (11) is mounted above the shield (6);
the rear matching system comprises a dragging oil cylinder (12), a trailer (13), a hydraulic station and other matching devices (14); a main beam (7) is connected with a trailer (13) through a dragging oil cylinder (12), and supporting devices (14) such as a hydraulic station and the like are placed on the trailer (13);
the conveying system comprises a material receiving device (15), a primary reversed loader (16) and a secondary reversed loader (17); the material receiving device (15) is located at the bottom of the excavated section and is connected with a primary reversed loader (16) in sequence, the primary reversed loader (16) is located below the main beam (7) and is arranged obliquely upwards, a secondary reversed loader (17) is arranged below the head of the primary reversed loader (16), and the secondary reversed loader (17) is arranged in the trailer (13) in a convex arc shape.
2. The rectangular rock lane TBM heading machine according to claim 1, wherein: the cutting edge track of the hob (1-1) is vertical to the excavation section, and a plurality of rows of the hobs (1-1) are horizontally arranged in parallel and are of a fan-shaped structure.
3. The rectangular rock lane TBM heading machine according to claim 1, wherein: the connection part of the propulsion system (8) and the tightening system (9) has two degrees of freedom of up-down and left-right rotation.
4. The rectangular rock lane TBM heading machine according to claim 1, wherein: the primary reversed loader (16) and the bottom of the excavation section form an inclination angle of thirty degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245847.2A CN113944474A (en) | 2021-10-26 | 2021-10-26 | Rectangular rock tunnel TBM (Tunnel boring machine) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111245847.2A CN113944474A (en) | 2021-10-26 | 2021-10-26 | Rectangular rock tunnel TBM (Tunnel boring machine) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113944474A true CN113944474A (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111245847.2A Pending CN113944474A (en) | 2021-10-26 | 2021-10-26 | Rectangular rock tunnel TBM (Tunnel boring machine) |
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| Country | Link |
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| CN (1) | CN113944474A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733815A (en) * | 2012-06-15 | 2012-10-17 | 中铁隧道装备制造有限公司 | Full-face rectangular hard rock tunneling and anchoring integrated machine |
| CN110778319A (en) * | 2019-11-22 | 2020-02-11 | 中铁工程装备集团有限公司 | Rectangular heading machine and construction method thereof |
| CN212177137U (en) * | 2020-05-29 | 2020-12-18 | 中铁工程装备集团有限公司 | Rectangular heading machine |
-
2021
- 2021-10-26 CN CN202111245847.2A patent/CN113944474A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733815A (en) * | 2012-06-15 | 2012-10-17 | 中铁隧道装备制造有限公司 | Full-face rectangular hard rock tunneling and anchoring integrated machine |
| CN110778319A (en) * | 2019-11-22 | 2020-02-11 | 中铁工程装备集团有限公司 | Rectangular heading machine and construction method thereof |
| CN212177137U (en) * | 2020-05-29 | 2020-12-18 | 中铁工程装备集团有限公司 | Rectangular heading machine |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220118 |
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| RJ01 | Rejection of invention patent application after publication |