CN116398155A - Main machine shield body of assembled shell-discarding and disassembly shield machine and mounting and dismounting method thereof - Google Patents
Main machine shield body of assembled shell-discarding and disassembly shield machine and mounting and dismounting method thereof Download PDFInfo
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- CN116398155A CN116398155A CN202310674587.3A CN202310674587A CN116398155A CN 116398155 A CN116398155 A CN 116398155A CN 202310674587 A CN202310674587 A CN 202310674587A CN 116398155 A CN116398155 A CN 116398155A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 17
- 238000013461 design Methods 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims description 90
- 230000000903 blocking effect Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 241000209094 Oryza Species 0.000 description 12
- 235000007164 Oryza sativa Nutrition 0.000 description 12
- 235000009566 rice Nutrition 0.000 description 12
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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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
- E21D9/0621—Shield advancing devices
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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
- E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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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
- E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
- E21D9/0873—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines the shield being provided with devices for lining the tunnel, e.g. shuttering
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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
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
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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
The invention discloses an assembled shell-discarding disassembly shield machine main machine shield body and an assembly and disassembly method thereof. The invention has reasonable block arrangement and strong structural stability through modular design and assembled construction, and enables the front shield inner shield to be transferred to the rear side open space for dismantling, thereby avoiding the problems of narrow dismantling space, high dismantling difficulty and low dismantling efficiency caused by the main driving unit, and improving the recycling degree and the green construction level of each part.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a main machine shield body of an assembled shell-discarding and disassembling shield machine and an assembling and disassembling method thereof.
Background
The shield method is a construction method of underground space which utilizes a cutter disc and a cutter at the front end of a main machine of the shield machine to excavate a rock-soil body, assembles prefabricated segments under the protection of the shield shell, provides counter force for a pushing hydraulic cylinder and makes snakelike progress in stratum. With the vigorous development of track traffic engineering in China, the construction of a shield method is increasingly perfected, and the frequency of tunnel crossing Jiang Hehai lakes is increasingly high. Under the conditions of large span, short working period and complex geology, the shield in-ground butt joint technology of 'in-hole shell discarding and disassembling' becomes a new development trend.
In the prior art, in the process of shell disassembly is abandoned by a main machine shield body of the shield machine, except for a rear matched trolley, a screw conveyor, a duct piece assembling machine, a supporting beam, a Chinese character 'mi' shaped beam, a propelling hydraulic cylinder, a hinged hydraulic cylinder, a main driving unit and a cutter, a cutter disc, a front shield shell inner partition plate, a middle shield shell inner partition plate and a shield tail front end partition plate are all required to be cut off in a hole, when the shell disassembly of the main machine shield body of the shield machine is abandoned, the cutter disc, the front shield shell inner partition plate, the middle shield shell inner partition plate and the shield tail front end partition plate are all required to be remanufactured with the shield shell, and moreover, due to the influence of the main driving unit, the disassembly space of the front shield shell inner partition plate is relatively narrow, the disassembly difficulty is large, and the disassembly efficiency is quite limited.
Based on the above reasons, it is necessary to eliminate the above problems and solve the problems of large workload of cutting and recovering, low construction efficiency, low recycling rate and low green construction level of the main machine shield body of the shell-discarding and-disassembling shield machine.
Disclosure of Invention
The invention aims to provide an assembled shell-discarding and disassembly shield machine main machine shield body and an assembly and disassembly method thereof, which are used for solving the technical problems in the background art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
1. the utility model provides an assembled shield machine main machine shield body of abandoning shell, includes the front shield, well shield and the tail shield of fixed connection, the front shield comprises the front shield outer shield body and the front shield inner shield body, the front shield outer shield body includes the front shield shell and the front shield shell baffle of fixed connection, the front shield inner shield body includes the front shield inner shell and the front shield inner shell baffle of fixed connection, the front shield inner shell nestification is in the front shield shell, front shield inner shell baffle and front shield outer shell baffle pass through connecting bolt fixed connection in front of the front shield, front shield inner shield body partition design, front shield inner shield body is by the assembly of a plurality of front shield inner shield body assembly pieces, front shield inner shield body assembly piece edge department is fixed with the flange piece, two adjacent front shield inner shield body assembly pieces pass through flange piece and connecting bolt fixed connection between each other;
the middle shield consists of a middle shield outer shield body and a middle shield inner shield body, the middle shield outer shield body comprises a middle shield outer shell and a middle shield outer shell partition plate which are fixedly connected, the middle shield inner shield body comprises a middle shield inner shell and a middle shield inner shell partition plate which are fixedly connected, the inner diameter of the middle shield outer shell is consistent with that of the front shield outer shell, the middle shield inner shell is nested in the middle shield outer shell, the middle shield inner shell partition plate and the middle shield outer shell partition plate are fixedly connected with the rear part of the middle shield through connecting bolts, the front shield of the middle shield inner shell partition plate abuts against the rear end of the front shield inner shell partition plate, the middle shield inner shield body is designed in a block mode, the middle shield inner shield body is formed by assembling a plurality of middle shield inner shield body assembling blocks, at least one of the middle shield inner shield body assembling blocks can be detached along the direction close to the central axis of the middle shield inner shield body, flange pieces are fixedly connected between the two adjacent middle shield inner shield body assembling blocks through the connecting bolts;
the tail shield comprises a tail shield body, wherein the tail shield body consists of a tail shield shell and a tail shield shell partition plate which are fixedly connected, and the tail shield shell partition plate is arranged at the front end of the tail shield shell;
the utility model discloses a novel structure of a half-bridge type electric motor, including well shield, tail shield, outer baffle, flange piece is fixed to be connected between two adjacent outer baffles of rice word roof beam and the outer baffle of rice word roof beam to the outer baffle of rice word roof beam forms effective support, and the outer baffle of rice word roof beam is pieced together by the outer baffle piece of a plurality of rice word roof beam and is formed, and at least one of a plurality of outer baffle piece of rice word roof beam can realize the dismantlement along the direction that is close to the outer baffle central axis of rice word roof beam in the outer baffle piece of rice word roof beam as a whole, and the outer baffle piece of rice word roof beam and rice word roof beam is fixed with flange piece on assembling the piece, and the outer baffle piece of rice word roof beam is assembled to the outer baffle of rice word and is all fixed continuous through flange piece and connecting bolt.
Preferably, the front shield inner shield body is formed by splicing front shield inner shield body splicing blocks in four directions of up, down, left and right, and the blocking lines of the four front shield inner shield body splicing blocks are designed along the radial direction.
Preferably, the middle shield inner shield body is formed by splicing middle shield inner shield body splicing blocks in the left upper, right upper, left right and lower five directions, the blocking line of the lower middle shield inner shield body splicing block is vertically designed, and the rest blocking lines are radially designed.
Preferably, the outer partition plates of the rice-shaped beam are spliced by the outer partition plate splicing blocks of the rice-shaped beam in four directions, namely upper, lower, left and right, the parting lines of the outer partition plate splicing blocks of the rice-shaped beam below are vertically designed, and the rest parting lines are radially designed.
Preferably, a clamping rabbet for preventing the main driving unit from moving backwards is arranged at the inner ring surface of the front shield inner shell partition plate.
In addition, the invention also provides an assembling and disassembling method of the main machine shield body of the assembled shell-discarding and disassembling shield machine, which comprises the following steps:
step one, processing and manufacturing in a manufacturer according to a construction design diagram of a main machine shield body of the assembled shell discarding and disassembling shield machine, and conveying to a construction site;
step two, assembling a front shield, namely assembling an inner shield body and a main driving unit of the front shield in an outer shield body of the front shield before a main machine of the shield machine goes into a well, and fixing assembly blocks of the inner shield body of each front shield on a front shield shell partition plate at corresponding positions through connecting bolts;
step three, assembling the middle shield, namely assembling the inner shield body of the middle shield in the outer shield body of the middle shield, and fixing the assembly blocks of the inner shield body of each middle shield on the middle shield shell partition plate at the corresponding positions through connecting bolts;
step four, assembling a tail shield, namely assembling an outer baffle plate of the rice-shaped beam at the front end of a tail shield body, fixing each outer baffle plate assembly block of the rice-shaped beam on the outer baffle plate of the tail shield at a corresponding position through a connecting bolt, and then assembling the rice-shaped beam on the outer baffle plate of the rice-shaped beam through the connecting bolt;
step five, after the shield engineering has the condition of descending the well, descending the well according to the sequence of the front shield, the middle shield and the tail shield, and assembling the pushing hydraulic cylinder, the man brake, the screw conveyor, the duct piece splicing machine and the hinging hydraulic cylinder into position in sequence;
step six, selecting a shield shell discarding and disassembling position according to stratum conditions or engineering requirements and reinforcing stratum at the shell discarding and disassembling position;
step seven, after the shield body of the main machine of the shield machine reaches the shell discarding and disassembling position, sequentially removing all the sections of trolleys according to the sequence from back to front, and conveying the trolleys to a shield starting working well and hoisting the trolleys out;
step eight, dismantling the screw conveyor, the duct piece splicing machine, the supporting beam, the pushing hydraulic cylinder and the hinging hydraulic cylinder;
step nine, sequentially removing the rice-shaped beam and the outer separator of the rice-shaped beam, removing all the outer separator assembly blocks of the rice-shaped beam along the radial direction, and removing the outer separator assembly blocks of the rice-shaped beam which can be detached along the direction close to the central axis of the outer separator of the rice-shaped beam when removing;
step ten, removing the inner shield body of the middle shield, radially removing the inner shield body assembly blocks of each middle shield, and removing the inner shield body assembly blocks of the middle shield which can be detached along the direction close to the central axis of the inner shield body during removal;
step eleven, fixing the cutter disc with the front shield shell;
removing the front shield inner shield body, reserving front shield inner shield body assembly blocks below the main driving unit, and sequentially drawing out the rest front shield inner shield body assembly blocks to the inner side open space of the middle shield shell along the axial direction to realize the removal;
and thirteenth, removing the main driving unit and the front shield inner shield assembly blocks below the main driving unit, cutting the cutter disc, and cutting off the front shield shell partition plate, the middle shield shell partition plate and the tail shield shell partition plate to finish shell discarding and disassembly of the main shield body of the shield machine.
Compared with the prior art, the invention has the beneficial effects that: the invention realizes the welding-free installation and cutting-free demolition of all parts of the host machine to the maximum extent through the modularized design and the assembled construction with reasonable block arrangement and strong structural stability, reduces the cutting workload and the recovery workload of the partition plate in the abandoned shield shell, and ensures that the front shield inner shield can be transferred to the rear side open space for demolition through the reasonable arrangement of the fixed positions of the front shield inner shield body and the middle shield inner shield body and the optimization of the demolition sequence, thereby avoiding the problems of narrow demolition space, high demolition difficulty and low demolition efficiency caused by the main driving unit, shortening the construction period, reducing the construction cost, realizing the assembly rate of all parts of the host machine to the maximum extent, and improving the cyclic utilization degree and the green construction level of all parts.
Drawings
The foregoing and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the invention, wherein:
FIG. 1 is a schematic diagram of a main machine of a shield machine and a shield body of the main machine of the shield machine;
FIG. 2 is a schematic structural view of a main machine shield body of the shield machine according to the present invention;
FIG. 3 is a front view of the inner shield body of the front shield according to the present invention;
FIG. 4 is a schematic block design of the front shield inner shield body according to the present invention;
FIG. 5 is a side view of the inner shield body of the front shield according to the present invention;
FIG. 6 is a front view of the outer shield body of the front shield according to the present invention;
FIG. 7 is a side view of the outer shield body of the front shield according to the present invention;
FIG. 8 is a front view of the outer shield body of the center shield according to the present invention;
FIG. 9 is a side view of the outer shield body of the center shield according to the present invention;
FIG. 10 is a front view of the inner shield body of the center shield according to the present invention;
FIG. 11 is a schematic block design diagram of the inner shield body of the middle shield according to the present invention;
FIG. 12 is a side view of the inner shield body of the center shield according to the present invention;
fig. 13 is a front view of a beam outer baffle plate in the shape of a Chinese character mi Liang Jimi;
fig. 14 is a schematic block design diagram of a beam outer partition plate in a shape of a Chinese character mi Liang Jimi;
fig. 15 is a side view of a beam outer baffle in the shape of a Chinese character mi Liang Jimi in accordance with the present invention;
FIG. 16 is a front view of the tail shield body according to the present invention;
fig. 17 is a side view of the tail shield body according to the present invention.
Reference numerals: 1. a front shield outer shield body; 101. a front shield housing; 102. a front shield housing baffle; 2. an inner shield body of the front shield; 201. a front shield inner shell; 202. a front shield inner shell partition; 203. a front shield inner shield body assembling block; 3. an outer shield body of the middle shield; 301. a middle shield shell; 302. a middle shield shell baffle; 4. an inner shield body of the middle shield; 401. a middle shield inner shell; 402. a middle shield inner shell partition plate; 403. the inner shield body assembly block of the middle shield; 5. a rice-shaped beam; 6. an outer baffle plate of the rice-shaped beam; 601. the outer baffle plate assembly blocks of the rice-shaped beam; 7. a tail shield body; 701. tail shield shell; 702. a tail shield shell baffle; 8. a connecting bolt; 9. a cutterhead; 10. a main driving unit; 11. the tongue-and-groove is clamped; 12. a screw conveyor; 13. pushing the hydraulic cylinder; 14. a human brake; 15. a hinged hydraulic cylinder; 16. and (5) segment assembling machine.
Detailed Description
Hereinafter, an embodiment of a main machine shield body of an assembled type shell-discarding and disassembling shield machine and an assembling and disassembling method thereof of the present invention will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present invention, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the invention to the embodiments and scope of the invention. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "top", "bottom", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The drawings in the present specification are schematic views, which assist in explaining the concept of the present invention, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.
The principles and features of the present invention are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present invention. The preferred embodiment of the present invention is described in further detail below in conjunction with fig. 1-17:
as shown in fig. 1-2, the main machine shield body of the assembled shell-discarding shield machine of the invention preferably comprises a front shield, a middle shield and a tail shield which are fixedly connected, as shown in fig. 3-7, the front shield consists of a front shield outer shield body 1 and a front shield inner shield body 2, the front shield outer shield body 1 comprises a front shield outer shell 101 and a front shield outer shell baffle 102 which are fixedly connected, the front shield inner shield body 2 comprises a front shield inner shell 201 and a front shield inner shell baffle 202 which are fixedly connected, the front shield inner shell 201 is nested in the front shield outer shell 101, the front shield inner shell baffle 202 and the front shield outer shell baffle 102 are fixedly connected at the front part of the front shield through connecting bolts 8, the main driving unit 10 is nested in the front inner shell baffle 202, the inner ring surface of the front shield inner shell partition plate 202 is provided with a clamping rabbet 11 for preventing the main driving unit 10 from moving backwards, the front shield inner shield body 2 is designed in a blocking manner, the front shield inner shield body 2 is formed by assembling a plurality of front shield inner shield body assembling blocks 203, flange sheets are fixed at the edges of the front shield inner shield body assembling blocks 203, two adjacent front shield inner shield body assembling blocks 203 are fixedly connected through the flange sheets and connecting bolts 8, in a preferred embodiment, the front shield inner shield body 2 is assembled by the front shield inner shield body assembling blocks 203 in four directions of up, down, left and right, and the blocking lines of the four front shield inner shield body assembling blocks 203 are designed in a radial direction;
as shown in fig. 8-12, the middle shield is composed of a middle shield outer shield body 3 and a middle shield inner shield body 4, the middle shield outer shield body 3 comprises a middle shield outer shell 301 and a middle shield outer shell partition plate 302 which are fixedly connected, the middle shield inner shield body 4 comprises a middle shield inner shell 401 and a middle shield inner shell partition plate 402 which are fixedly connected, the inner diameters of the middle shield outer shell 301 and the front shield outer shell 101 are consistent, the two shells are welded and connected, smooth connection is ensured so that each front shield inner shield body assembly block 203 moves out backwards along the axial direction, the middle shield inner shell 401 is nested in the middle shield outer shell 301, the middle shield inner shell partition plate 402 and the middle shield outer shell partition plate 302 are fixedly connected with the rear part of the middle shield through a connecting bolt 8, the front shield of the middle shield inner shell partition plate 402 abuts against the rear end of the front shield inner shell partition plate 202, the middle shield inner shell 4 is formed by a plurality of middle shield inner shell assembly blocks 403 in a block design, at least one of the plurality of middle shield inner shield body assembling blocks 403 can be detached along the direction close to the central axis of the middle shield inner shield body 4, a flange piece is fixed at the edge of each middle shield inner shield body assembling block 403, two adjacent middle shield inner shield body assembling blocks 403 are fixedly connected through the flange piece and a connecting bolt 8, in a preferred embodiment, each middle shield inner shield body 4 is assembled by the middle shield inner shield body assembling blocks 403 in the left upper, right upper, left right and lower five directions, the parting line of each middle shield inner shield body assembling block 403 below is designed vertically, and other parting lines are designed radially, however, other middle shield inner shield body assembling blocks 403 can be arranged into key blocks capable of being detached along the direction close to the central axis of the middle shield inner shield body 4, and the key blocks can be arranged into a shape with large inner side and small outer side;
as shown in fig. 16-17, the tail shield includes a tail shield body 7, the tail shield body 7 is composed of a tail shield housing 701 and a tail shield housing partition 702 which are fixedly connected, and the tail shield housing partition 702 is disposed at the front end of the tail shield housing 701;
as shown in fig. 13-15, the joint of the middle shield and the tail shield is provided with a m-shaped beam 5 and an m-shaped beam outer partition 6, the front part of the annular m-shaped beam outer partition 6 is nested in the middle shield shell 301, the rear end of the annular m-shaped beam outer partition is fixedly connected with the tail shield shell partition 702 through a connecting bolt 8, the m-shaped beam 5 is fixedly arranged at the inner cavity of the m-shaped beam outer partition 6 and effectively supports the m-shaped beam outer partition 6, the m-shaped beam outer partition 6 is designed in a split manner, the m-shaped beam outer partition 6 is formed by assembling a plurality of m-shaped beam outer partition assembling blocks 601, at least one of the plurality of m-shaped beam outer partition assembling blocks 601 can be detached along the direction close to the central axis of the m-shaped beam outer partition 6, the m-shaped beam 5 is used as a whole, flange plates are fixed on the m-shaped beam 5 and m-shaped beam outer partition assembling blocks 601, two adjacent m-shaped beam outer partition assembling blocks 601 and m-shaped beam 5 and m-shaped beam outer partition assembling blocks 601 are fixedly connected through the flange plates and the connecting bolts 8, the m-shaped beam outer partition 6 can be assembled along the direction of the central axis of the m-shaped beam outer partition 6, the other split key can be assembled along the direction of the other m-shaped beam outer partition 601, and the key can be assembled along the direction of the other split-shaped outside of the m-shaped partition 6.
In addition, the invention also provides an assembling and disassembling method of the main machine shield body of the assembled shell-discarding and disassembling shield machine, which comprises the following steps:
step one, processing and manufacturing in a manufacturer according to a construction design diagram of a main machine shield body of the assembled shell discarding and disassembling shield machine, and conveying to a construction site;
step two, assembling a front shield, namely assembling a front shield inner shield body 2 and a main driving unit 10 in a front shield outer shield body 1 before a main machine of the shield machine goes down in the well, fixing each front shield inner shield body assembling block 203 on a front shield shell partition plate 102 at a corresponding position through a connecting bolt 8, when adopting a radial assembling mode, firstly installing the front shield inner shield body assembling blocks 203 at three directions of the upper part, the left part and the right part through temporary supporting measures, and finally installing the front shield inner shield body assembling blocks 203 at the lower part to ensure that the last front shield inner shield body assembling block 203 can be smoothly inserted, and if adopting an axially moving assembling mode, installing each front shield inner shield body assembling block 203 is not limited in sequence, and preferably, starting to install from the front shield inner shield body assembling blocks 203 at the lower part so as to reduce the use of the temporary supporting measures;
step three, assembling the middle shield, namely assembling the middle shield inner shield body 4 into the middle shield outer shield body 3, fixing the middle shield inner shield body assembling blocks 403 in corresponding positions on the middle shield shell partition 302 through connecting bolts 8, when adopting a radial assembling mode, firstly installing the middle shield inner shield body assembling blocks 403 in four directions of the upper left, the upper right, the upper left and the right through temporary supporting measures, and finally installing the lower middle shield inner shield body assembling blocks 403 to ensure that the last middle shield inner shield body assembling block 403 can be smoothly inserted, and if adopting an axial moving assembling mode, installing the middle shield inner shield body assembling blocks 403 in each block does not limit the sequence, and preferably, installing the middle shield inner shield body assembling blocks 403 from the lower part so as to reduce the use of temporary supporting measures;
step four, assembling a tail shield, namely assembling the outer baffle 6 of the rice-shaped beam at the front end of the tail shield body 7, fixing each outer baffle assembly block 601 of the rice-shaped beam on the outer baffle 702 of the tail shield at a corresponding position through a connecting bolt 8, and then assembling the outer baffle 5 of the rice-shaped beam onto the outer baffle 6 of the rice-shaped beam through the connecting bolt 8, wherein the outer space of the outer baffle 6 of the rice-shaped beam is wide when assembling on the ground, so that the installation sequence of each outer baffle assembly block 601 of the rice-shaped beam is not limited no matter in a radial or axial assembling mode;
step five, after the shield engineering has the condition of descending the well, descending the well according to the sequence of the front shield, the middle shield and the tail shield, and assembling the pushing hydraulic cylinder 13, the man brake 14, the spiral conveyor 12, the duct piece assembling machine 16 and the hinging hydraulic cylinder 15 in sequence;
step six, selecting a shield shell discarding and disassembling position according to stratum conditions or engineering requirements and reinforcing stratum at the shell discarding and disassembling position;
step seven, after the shield body of the main machine of the shield machine reaches the shell discarding and disassembling position, sequentially removing all the sections of trolleys according to the sequence from back to front, and conveying the trolleys to a shield starting working well and hoisting the trolleys out;
step eight, dismantling the screw conveyor 12, the duct piece splicing machine 16, the supporting beam, the pushing hydraulic cylinder 13 and the hinging hydraulic cylinder 15;
step nine, sequentially dismantling the rice-shaped beam 5 and the rice-shaped beam outer partition plates 6, wherein each rice-shaped beam outer partition plate spliced block 601 is dismantled in the radial direction, and during dismantling, the rice-shaped beam outer partition plate spliced block 601 which can be dismantled along the direction close to the central axis of the rice-shaped beam outer partition plates 6 is dismantled firstly, namely after dismantling the rice-shaped beam 5, the rice-shaped beam outer partition plate spliced block 601 positioned below is dismantled in the radial direction firstly, and then other rice-shaped beam outer partition plate spliced blocks 601 are dismantled to ensure that each rice-shaped beam outer partition plate spliced block 601 has the possibility of inwards moving during dismantling;
step ten, removing the middle shield inner shield body 4, removing the middle shield inner shield body assembling blocks 403 in the radial direction, and removing the middle shield inner shield body assembling blocks 403 which can be removed along the direction close to the central axis of the middle shield inner shield body 4 during the removal, namely removing the middle shield inner shield body assembling blocks 403 positioned in the lower direction in the radial direction, and removing other middle shield inner shield body assembling blocks 403 to ensure that the middle shield inner shield body assembling blocks 403 in the blocks have possibility of moving inwards during the removal;
step eleven, fixing the cutterhead 9 with the front shield shell 101;
step twelve, dismantling the front shield inner shield body 2, reserving front shield inner shield body spliced blocks 203 below the main driving unit 10, and sequentially extracting all the front shield inner shield body spliced blocks 203 back to the inner side open space of the middle shield shell 301 along the axial direction to realize dismantling, wherein the front shield inner shield body spliced blocks 203 and the main driving unit 10 are staggered in axial position due to the adoption of an axial backward dismantling mode, so that the influence of the main driving unit 10 on the dismantling operation is avoided, and the dismantling efficiency of the front shield inner shield body 2 is greatly improved;
and thirteenth, removing the main driving unit 10 and the front shield inner shield assembly block 203 below the main driving unit, cutting the cutter disc 9, and removing the front shield shell partition plate 102, the middle shield shell partition plate 302 and the tail shield shell partition plate 702 to finish shell discarding and disassembly of the main shield body of the shield machine.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The utility model provides a shell split shield constructs quick-witted host computer shield body is abandoned to assembled which characterized in that: the front shield comprises a front shield outer shield body (1) and a front shield inner shield body (2) which are fixedly connected, the front shield outer shield body (1) comprises a front shield outer shield shell (101) and a front shield outer shield shell partition plate (102) which are fixedly connected, the front shield inner shield body (2) comprises a front shield inner shell (201) and a front shield inner shield shell partition plate (202) which are fixedly connected, the front shield inner shell (201) is nested in the front shield outer shield shell (101), the front shield inner shield shell partition plate (202) and the front shield outer shield shell partition plate (102) are fixedly connected at the front part of the front shield through a connecting bolt (8), the front shield inner shield body (2) is designed in a block mode, the front shield inner shield body (2) is formed by assembling a plurality of front shield inner shield assembly blocks (203) in a group, flange pieces are fixedly arranged at the edges of the front shield inner shield assembly blocks (203), and the front shield inner shield assembly blocks (203) are fixedly connected through the connecting bolts (8);
the middle shield consists of a middle shield outer shield body (3) and a middle shield inner shield body (4), the middle shield outer shield body (3) comprises a middle shield outer shell (301) and a middle shield outer shell partition plate (302) which are fixedly connected, the middle shield inner shield body (4) comprises a middle shield inner shell (401) and a middle shield inner shell partition plate (402) which are fixedly connected, the inner diameter of the middle shield outer shell (301) is consistent with that of the front shield outer shell (101), the middle shield inner shell (401) is nested in the middle shield outer shell (301), the middle shield inner shell partition plate (402) and the middle shield outer shell partition plate (302) are fixedly connected with the rear part of the middle shield inner shell partition plate (402) through a connecting bolt (8), the front shield of the middle shield inner shell partition plate (402) is abutted against the rear end of the front shield inner shell partition plate (202), the middle shield inner shell (4) is designed in a split joint mode, the middle shield inner shell (4) is formed by a plurality of middle shield inner shield body split joint blocks (403) in a split joint mode, the middle shield inner shell (403) can be split joint mode along the direction of at least one middle shield inner flange (403) and the middle shield inner flange (403) is adjacent to the middle shield inner flange (4) in a split joint mode, and the middle shield inner flange (3) can be split joint mode along the middle flange and the middle shield inner flange (3) is formed by the middle shield inner flange and the middle shield inner flange;
the tail shield comprises a tail shield body (7), the tail shield body (7) is composed of a tail shield shell (701) and a tail shield shell partition plate (702) which are fixedly connected, and the tail shield shell partition plate (702) is arranged at the front end of the tail shield shell (701);
the combination part of the middle shield and the tail shield is provided with a Chinese character 'mi' shaped beam (5) and a Chinese character 'mi' shaped beam outer baffle (6), the front part of the annular Chinese character 'mi' shaped beam outer baffle (6) is nested in the middle shield shell (301), the rear end of the annular Chinese character 'mi' shaped beam outer baffle is fixedly connected with the tail shield shell baffle (702) through a connecting bolt (8), the Chinese character 'mi' shaped beam (5) is fixedly arranged at the inner cavity of the Chinese character 'mi' shaped beam outer baffle (6) and forms effective support for the Chinese character 'mi' shaped beam outer baffle (6), the Chinese character 'mi' shaped beam outer baffle (6) is designed in a blocking way, the Chinese character 'mi' shaped beam outer baffle (6) is formed by assembling a plurality of Chinese character 'mi' shaped beam outer baffle assembling blocks (601), at least one of the plurality of outer baffle plates of the rice-shaped beam assembly blocks (601) can be detached along the direction close to the central axis of the outer baffle plates of the rice-shaped beam (6), the rice-shaped beam (5) is used as a whole, flange plates are fixed on the outer baffle plates of the rice-shaped beam (5) and the outer baffle plates of the rice-shaped beam assembly blocks (601), and the outer baffle plates of the adjacent two rice-shaped beam assembly blocks (601) and the outer baffle plates of the rice-shaped beam (5) and the outer baffle plates of the rice-shaped beam assembly blocks (601) are fixedly connected through the flange plates and connecting bolts (8).
2. The assembled shell-discarding disassembled shield machine main machine shield body according to claim 1, wherein: the front shield inner shield body (2) is formed by splicing front shield inner shield body splicing blocks (203) in four directions of up, down, left and right, and the blocking lines of the four front shield inner shield body splicing blocks (203) are designed along the radial direction.
3. The assembled shell-discarding disassembled shield machine main machine shield body according to claim 1, wherein: the middle shield inner shield body (4) is formed by splicing middle shield inner shield body splicing blocks (403) in the left upper, right upper, left right and lower five directions, the blocking lines of the lower middle shield inner shield body splicing blocks (403) are vertically designed, and the rest blocking lines are radially designed.
4. The assembled shell-discarding disassembled shield machine main machine shield body according to claim 1, wherein: the outer partition plates (6) of the rice-shaped beam are spliced by the outer partition plate splicing blocks (601) of the rice-shaped beam in four directions, namely, up, down, left and right, the parting lines of the outer partition plate splicing blocks (601) of the rice-shaped beam below are vertically designed, and the rest parting lines are radially designed.
5. The assembled shell-discarding disassembled shield machine main machine shield body according to claim 1, wherein: the inner annular surface of the front shield inner shell partition plate (202) is provided with a clamping rabbet (11) for preventing the main driving unit (10) from moving backwards.
6. An installation and disassembly method of a main machine shield body of an assembled shell-discarding and disassembling shield machine, which is used in the installation and disassembly process of the main machine shield body of the assembled shell-discarding and disassembling shield machine according to any one of claims 1 to 5, and is characterized by comprising the following steps:
step one, processing and manufacturing in a manufacturer according to a construction design diagram of a main machine shield body of the assembled shell discarding and disassembling shield machine, and conveying to a construction site;
step two, assembling a front shield, namely assembling an inner front shield body (2) and a main driving unit (10) in an outer front shield body (1) before a main machine of the shield machine goes into a well, and fixing all front shield inner shield body assembling blocks (203) on a front shield shell partition plate (102) at corresponding positions through connecting bolts (8);
step three, assembling a middle shield, namely assembling a middle shield inner shield body (4) in a middle shield outer shield body (3), and fixing middle shield inner shield body assembling blocks (403) of each block on a middle shield shell partition plate (302) at corresponding positions through connecting bolts (8);
step four, assembling a tail shield, namely assembling an outer baffle plate (6) of the rice-shaped beam at the front end of a tail shield body (7), fixing each outer baffle plate assembly block (601) of the rice-shaped beam on a tail shield shell baffle plate (702) at a corresponding position through a connecting bolt (8), and assembling the rice-shaped beam (5) on the outer baffle plate (6) of the rice-shaped beam through the connecting bolt (8);
step five, after the shield engineering has the condition of descending the well, descending the well according to the sequence of a front shield, a middle shield and a tail shield, and assembling a pushing hydraulic cylinder (13), a man brake (14), a screw conveyor (12), a duct piece splicing machine (16) and a hinging hydraulic cylinder (15) in sequence;
step six, selecting a shield shell discarding and disassembling position according to stratum conditions or engineering requirements and reinforcing stratum at the shell discarding and disassembling position;
step seven, after the shield body of the main machine of the shield machine reaches the shell discarding and disassembling position, sequentially removing all the sections of trolleys according to the sequence from back to front, and conveying the trolleys to a shield starting working well and hoisting the trolleys out;
step eight, dismantling the screw conveyor (12), the duct piece splicing machine (16), the supporting beam, the pushing hydraulic cylinder (13) and the hinging hydraulic cylinder (15);
step nine, sequentially dismantling the rice-shaped beam (5) and the outer separator (6) of the rice-shaped beam, wherein each outer separator spliced block (601) of the rice-shaped beam is dismantled along the radial direction, and when the outer separator spliced block (601) of the rice-shaped beam is dismantled, the outer separator spliced block (601) of the rice-shaped beam can be dismantled along the direction close to the central axis of the outer separator (6) of the rice-shaped beam;
step ten, removing the middle shield inner shield body (4), wherein the middle shield inner shield body assembly blocks (403) of each block are removed along the radial direction, and the middle shield inner shield body assembly blocks (403) which can be detached along the direction close to the central axis of the middle shield inner shield body (4) are removed firstly during the removal;
step eleven, fixing the cutterhead (9) with the front shield shell (101);
step twelve, removing the front shield inner shield body (2), reserving front shield inner shield body assembly blocks (203) below the main driving unit (10), and sequentially extracting the rest front shield inner shield body assembly blocks (203) to the inner side open space of the middle shield shell (301) backwards along the axial direction to realize the removal;
and thirteenth, removing the main driving unit (10) and the front shield inner shield assembly block (203) below the main driving unit, cutting off the cutter head (9) and cutting off the front shield shell partition plate (102), the middle shield shell partition plate (302) and the tail shield shell partition plate (702), so as to finish shell discarding and disassembly of the main shield body of the shield machine.
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| CN202310674587.3A CN116398155B (en) | 2023-06-08 | 2023-06-08 | Main machine shield body of assembled shell-discarding and disassembly shield machine and mounting and dismounting method thereof |
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| CN202310674587.3A CN116398155B (en) | 2023-06-08 | 2023-06-08 | Main machine shield body of assembled shell-discarding and disassembly shield machine and mounting and dismounting method thereof |
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| CN117532321A (en) * | 2024-01-10 | 2024-02-09 | 中建交通建设集团有限公司 | Device and method for removing light and small parts of main machine of assembled shell-discarding disassembly shield machine |
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| CN116398155B (en) | 2023-09-26 |
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