CN108071403B - Split starting equipment for tunnel excavation - Google Patents
Split starting equipment for tunnel excavation Download PDFInfo
- Publication number
- CN108071403B CN108071403B CN201810087910.6A CN201810087910A CN108071403B CN 108071403 B CN108071403 B CN 108071403B CN 201810087910 A CN201810087910 A CN 201810087910A CN 108071403 B CN108071403 B CN 108071403B
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- machine body
- trailer
- machine
- starting
- main machine
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- 238000009412 basement excavation Methods 0.000 title claims description 7
- 239000002893 slag Substances 0.000 claims abstract description 23
- 238000007599 discharging Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000010079 rubber tapping Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 12
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 12
- 239000002689 soil Substances 0.000 abstract description 6
- 230000005641 tunneling Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Landscapes
- 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)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses split starting equipment for excavating tunnels, which comprises a main machine and a machine body, wherein the main machine is positioned in a front pilot tunnel, the machine body is divided into a front part and a rear part and is positioned in a rear blind tunnel, a second trailer is arranged at the bottom of the front part of the machine body, a third trailer is arranged at the bottom of the rear part of the machine body, a reaction frame is arranged at the bottom end of the starting well, a slag tapping structure is arranged at the top of the front pilot tunnel on one side of the reaction frame, and an equipment bridge connected with the main machine is arranged at one end of the front part of the machine body; has the advantages that: the TBM is divided into three parts by the three groups of trailers, and the efficiency of unit assembly is improved and the time for pipeline soil transportation is shortened by secondary starting; the muck is transported through the improved muck discharging structure before primary starting, so that the unearthing efficiency of the TBM is improved, and the construction period of tunneling construction is shortened.
Description
Technical Field
The invention relates to the field of auxiliary equipment for excavation construction of subway tunnels, in particular to split starting equipment for excavating tunnels.
Background
The shield originating can be divided into whole machine originating and split originating, the whole machine originating is used mostly, all functions of equipment can be completely realized by the whole machine originating, extra pipelines and the like are not needed, but the split originating is adopted sometimes due to the limitations of sites, construction periods, cost and the like.
The integral launching is that after the shield is put into a well and assembled, the shield is connected with the shield main body in a matching way, and then the shield enters the hole together, and the unearthed soil is unearthed from the unearthed hole at the rear part, and the mode is the integral launching. The split starting is that the main body of the shield machine is arranged in a station, the rear matching is not connected with the shield machine together with the shield machine, but is connected by a pipeline, shield earth is discharged and transported by a small earth bucket at the earth outlet of a screw conveyor (a main belt conveyor), and the rear matching is connected after the shield is arranged about 100m in the tunnel, and the split starting is realized in such a way.
The applicant finds that at least the following technical problems exist in the prior art: in the traditional split starting method, only the machine body is separated from the machine body during construction, and the machine body cannot be quickly connected with the machine body due to the fact that the machine body needs to conduct tunneling work at a certain depth, so that excavated dregs cannot be timely transported out of a starting well, and engineering construction progress is affected.
Disclosure of Invention
The invention aims to provide split starting equipment for excavating tunnels in order to solve the problems that in the prior art, only a machine body is separated from a machine body during construction of a traditional split starting method, and excavated dregs cannot be timely transported out of a starting well and engineering construction progress is influenced because the machine body needs to carry out tunneling work at a certain depth and the machine body cannot be quickly connected with the machine body. The preferable technical scheme in the technical schemes provided by the invention comprises the following steps: can initiate through the secondary components of a whole that can function independently, through the excavation distance that reduces the host computer to through the modified structure of slagging tap, improve the efficiency of slagging tap, reduce engineering period, reduce technical effect such as excavation cost, see the explanation below for details.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides split starting equipment for excavating tunnels, which comprises a main machine and a machine body, wherein the main machine is positioned in a front pilot hole, the machine body is divided into a front part and a rear part and is positioned in a rear blind hole, a second trailer is arranged at the bottom of the front part of the machine body, a third trailer is arranged at the bottom of the rear part of the machine body, a reaction frame is arranged at the bottom end of the starting shaft, a slag tapping structure is arranged at the top of the front pilot hole on one side of the reaction frame, and an equipment bridge connected with the main machine is arranged at one end of the front part of the machine body;
the structure of slagging tap includes door hanging beam, the fill of slagging tap, door hanging beam top bilateral symmetry is provided with the steel cable, the couple is installed to door hanging beam bottom intermediate position, the fill of slagging tap with couple normal running fit, the upset pole is installed to the fill one side of slagging tap.
By adopting the split starting equipment for excavating the tunnel, after the host machine is lifted down from the starting well, the host machine is sent to the front pilot tunnel and pushed by the first trailer, dregs generated in the pushing process are output through the slag discharging structure, when the host machine is pushed into the inner space of the front pilot tunnel to accommodate the second trailer, the second trailer is used for conveying the equipment bridge and the front machine body to the host machine, then the equipment bridge is connected with the host machine, the host machine is pushed by the first trailer and the second trailer to continue to be pushed, after the second trailer completely enters the front pilot tunnel, the third trailer is operated to butt joint the rest of the machine body with the machine body at the top of the second trailer, and the split starting assembly of the TBM can be completed.
Preferably, the turnover rod is in hinged fit with the slag discharging hopper.
Preferably, the bottom of the rear blind hole and the bottom of the front guide hole are provided with continuous guide rails.
Preferably, the bottom of the machine body and the bottom of the main machine are both provided with wheel structures.
An originating method of a split-originating device, comprising the steps of:
a. the main engine is conveyed from the starting well to the front pilot hole, the engine body is conveyed from the starting well to the rear blind hole, and the reaction frame is fixedly installed;
b. a first initial installation;
c. starting installation for the second time;
in the step a, after the machine body and the host machine are fixed, the first trailer, the second trailer and the third trailer are installed and positioned.
In the step b, the machine body is divided into a front part and a rear part, when the main machine is pushed into a door opening formed by the reaction frame through which the second trailer can pass along the front guide hole, the second trailer is used for conveying the front machine body to the main machine, and then the equipment bridge is fixedly connected with the main machine.
And the step b also comprises the installation and butt joint of the extension pipeline between the main machine and the machine body.
And c, driving the front machine body to push by the main machine in the step c, wherein the distance between the front machine body and the reaction frame can meet the requirement that the tail part of the rear machine body is conveyed to pass through a door opening formed by the reaction frame, and then butting the front machine body with the rear machine body and carrying out butting installation of the extension pipelines.
The beneficial effects are that: 1. the TBM is divided into three parts by the three groups of trailers, and the efficiency of unit assembly is improved and the time for pipeline soil transportation is shortened by secondary starting;
2. the muck is transported through the improved muck discharging structure before primary starting, so that the unearthing efficiency of the TBM is improved, and the construction period of tunneling construction is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a block diagram of an apparatus of the present invention in one origination;
FIG. 2 is a block diagram of the secondary origination facility of the present invention;
FIG. 3 is a schematic structural view of the tapping structure of the present invention.
The reference numerals are explained below:
1. an originating well; 101. a front pilot hole; 102. a rear blind hole; 2. a host; 3. a reaction frame; 4. a first trailer; 5. a device bridge; 6. a body; 7. a third trailer; 8. a second trailer; 9. a slag discharging structure; 901. a door hanging beam; 902. a steel cord; 903. hooking; 904. a slag discharging hopper; 905. a turning rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-3, the invention provides a split starting device for tunnel excavation, which comprises a main machine 2 located in a front pilot tunnel 101 and a machine body 6 divided into a front part and a rear part and located in a rear blind tunnel 102, wherein a second trailer 8 is arranged at the bottom of the front part of the machine body 6, a third trailer 7 is arranged at the bottom of the rear part of the machine body 6, a reaction frame 3 is installed at the bottom end of a starting well 1, a slag tapping structure 9 is installed at the top of the front pilot tunnel 101 on one side of the reaction frame 3, and an equipment bridge 5 connected with the main machine 2 is installed at one end of the front part of the machine body 6;
the slag discharging structure 9 comprises a door hanging beam 901 and a slag discharging hopper 904, steel ropes 902 are symmetrically arranged on two sides of the top of the door hanging beam 901, a hook 903 is installed in the middle of the bottom of the door hanging beam 901, the slag discharging hopper 904 is in rotary fit with the hook 903, and a turnover rod 905 is installed on one side of the slag discharging hopper 904.
As an optional embodiment, the turning rod 905 is in hinged fit with the slag discharging hopper 904, so that the arrangement is that, through the rotational fit between the turning rod 905 and the slag discharging hopper 904, the slag inside the slag discharging hopper 904 can be poured out by turning the slag discharging hopper 904 through the turning rod 905;
the bottom parts of the rear blind hole 102 and the front pilot hole 101 are provided with continuous guide rails, so that the first trailer 4, the second trailer 8 and the third trailer 7 can guide and drag the main frame 2 and the machine body 6 conveniently;
the bottom parts of the machine body 6 and the main machine 2 are both provided with wheel structures; so arranged, the movement of the main body 2 and the body 6 can be facilitated.
An originating method of a split originating device, comprising the steps of:
a. the main machine 2 is conveyed from the starting well 1 to the front pilot hole 101, the machine body 6 is conveyed from the starting well 1 to the rear blind hole 102, and the reaction frame 3 is fixedly arranged;
b. starting installation for the first time;
c. initiating installation for the second time;
in the step a, after the machine body 6 and the main machine 2 are fixed, the first trailer 4, the second trailer 8 and the third trailer 7 are installed and positioned.
In the step b, the machine body 6 is divided into a front part and a rear part, when the host machine 2 is pushed to a door opening formed by the second trailer 8 through the reaction frame 3 along the front guide opening 101, the front machine body 6 is conveyed to the host machine 2 by using the second trailer 8, and then the equipment bridge 5 is fixedly connected with the host machine 2.
The step b also comprises the installation and butt joint of the extension pipeline between the main machine 2 and the machine body 6.
In the step c, the main machine 2 drives the front machine body 6 to be pushed in until the distance between the front machine body 6 and the reaction frame 3 can meet the requirement that the tail of the rear machine body 6 is conveyed to a door opening formed by penetrating through the reaction frame 3, then the front machine body 6 is in butt joint with the rear machine body 6, and the butt joint installation of the extension pipelines is carried out.
By adopting the structure, after the host machine 2 is hung down from the starting well 1, the host machine 2 is sent to the front pilot tunnel 101 and pushed by the first trailer 4, dregs generated in the pushing process are output through the slag discharging structure 9, when the host machine 2 is pushed into the inner space of the front pilot tunnel 101 and can contain the second trailer 8, the second trailer 8 is used for conveying the equipment bridge 5 and the front machine body 6 to the host machine 2, then the equipment bridge 5 is connected with the host machine 2, the host machine 2 is pushed by the first trailer 4 and the second trailer to continue to be pushed, after the second trailer 8 completely enters the front pilot tunnel 101, the third trailer 7 is operated to butt the rest part of the machine body 6 with the machine body 6 on the top of the second trailer 8, and the split starting assembly of the TBM can be completed;
the TBM is divided into three parts by the three groups of trailers, and the secondary starting is adopted, so that the assembly efficiency of the unit is improved, and the soil transporting time of the pipeline is shortened;
the residue soil transportation is carried out through the improved residue discharging structure 9 before primary starting, so that the soil discharging efficiency of the TBM is improved, and the construction period of tunneling construction is shortened.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. The utility model provides a split originating equipment for excavation tunnel which characterized in that: the device comprises a main machine (2) positioned in a front pilot tunnel (101) and a machine body (6) which is divided into a front part and a rear part and is positioned in a rear blind tunnel (102), wherein a second trailer (8) is arranged at the bottom of the front part of the machine body (6), a third trailer (7) is arranged at the bottom of the rear part of the machine body (6), a reaction frame (3) is arranged at the bottom of an initial shaft (1), a slag tapping structure (9) is arranged at the top of the front pilot tunnel (101) on one side of the reaction frame (3), and an equipment bridge (5) connected with the main machine (2) is arranged at one end of the front part of the machine body (6);
the slag discharging structure (9) comprises a door hanging beam (901) and a slag discharging hopper (904), steel ropes (902) are symmetrically arranged on two sides of the top of the door hanging beam (901), a hook (903) is arranged in the middle of the bottom of the door hanging beam (901), the slag discharging hopper (904) is rotationally matched with the hook (903), and a turning rod (905) is arranged on one side of the slag discharging hopper (904);
an originating method comprising the steps of:
a. the main machine (2) is conveyed from the starting well (1) to the front pilot hole (101), the machine body (6) is conveyed from the starting well (1) to the rear blind hole (102), and the reaction frame (3) is fixedly arranged;
b. starting installation for the first time;
c. starting installation for the second time;
in the step a, after the machine body (6) and the main machine (2) are fixed, a first trailer (4), a second trailer (8) and a third trailer (7) are installed and positioned;
in the step b, the machine body (6) is divided into a front part and a rear part, when the main machine (2) is pushed to a door opening formed by a second trailer (8) through the reaction frame (3) along a front guide hole (101), the second trailer (8) is used for conveying the front machine body (6) to the main machine (2), and then the equipment bridge (5) is fixedly connected with the main machine (2); the step b also comprises the installation butt joint of the extension pipeline between the main machine (2) and the machine body (6);
in the step c, the main machine (2) drives the front machine body (6) to be pushed in, the distance between the front machine body (6) and the reaction frame (3) can meet the requirement that the tail of the rear machine body (6) is conveyed to a door opening formed by penetrating through the reaction frame (3), then the front machine body (6) is in butt joint with the rear machine body (6), and the butt joint installation of the extension pipelines is carried out.
2. The split starting device for excavating tunnels according to claim 1, wherein: the turnover rod (905) is in hinged fit with the slag discharging hopper (904).
3. The split starting device for excavating tunnels according to claim 1, wherein: and continuous guide rails are arranged at the bottoms of the rear blind hole (102) and the front pilot hole (101).
4. The split starting device for excavating tunnels according to claim 1, wherein: the bottom of the machine body (6) and the bottom of the main machine (2) are both provided with wheel structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087910.6A CN108071403B (en) | 2018-01-29 | 2018-01-29 | Split starting equipment for tunnel excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810087910.6A CN108071403B (en) | 2018-01-29 | 2018-01-29 | Split starting equipment for tunnel excavation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108071403A CN108071403A (en) | 2018-05-25 |
| CN108071403B true CN108071403B (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810087910.6A Active CN108071403B (en) | 2018-01-29 | 2018-01-29 | Split starting equipment for tunnel excavation |
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| Country | Link |
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| CN (1) | CN108071403B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952741B (en) * | 2018-09-04 | 2019-11-08 | 济南中铁重工轨道装备有限公司 | More exchange device bridge construction technique in shield auger |
| CN109441459B (en) * | 2018-11-21 | 2020-07-28 | 粤水电轨道交通建设有限公司 | Earth pressure balance type shield split starting side unearthing construction method |
| CN110185457B (en) * | 2019-06-24 | 2020-08-04 | 中铁隧道局集团有限公司 | TBM (Tunnel boring machine) horizontal pilot tunnel construction method |
| CN110219661A (en) * | 2019-07-12 | 2019-09-10 | 中铁工程装备集团有限公司 | Applied to minimum starting well separate launching corollary apparatus and originate construction method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3819644A1 (en) * | 1988-06-09 | 1989-12-14 | Becker Walter Gmbh | WORKING MACHINE HOLDED BY A VEHICLE FOR EARTH WORKING, ESPECIALLY BUCKET LOADER |
| CN103711499A (en) * | 2014-01-08 | 2014-04-09 | 中铁十三局集团第六工程有限公司 | Shield tunneling machine split starting construction method |
| CN203891887U (en) * | 2014-05-27 | 2014-10-22 | 中铁十九局集团轨道交通工程有限公司 | Split starting shield tunneling machine |
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2018
- 2018-01-29 CN CN201810087910.6A patent/CN108071403B/en active Active
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| CN108071403A (en) | 2018-05-25 |
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