CN111055115B - Assembling method for block type shield tunneling machine factory - Google Patents
Assembling method for block type shield tunneling machine factory Download PDFInfo
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- CN111055115B CN111055115B CN201911352731.1A CN201911352731A CN111055115B CN 111055115 B CN111055115 B CN 111055115B CN 201911352731 A CN201911352731 A CN 201911352731A CN 111055115 B CN111055115 B CN 111055115B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
Abstract
The invention relates to the technical field of shield machine manufacturing, in particular to a block type shield machine factory assembling method, which comprises the following steps: a. arranging a host station support; b. dividing the anterior shield into a plurality of blocks, and firstly enabling a bottom block of the anterior shield to be positioned on a station; c. dividing the middle shield into a front part and a rear part, then dividing the front part of the middle shield into a plurality of blocks, firstly enabling the front lower block of the middle shield to be on the station, and hard-connecting the front shield bottom block with the front lower block of the middle shield; d. a main drive upper station; e. the remaining blocks of the anterior shield are sequentially put into work stations and are assembled with adjacent blocks; f. the rest blocks of the middle shield are sequentially moved to work stations; g. the whole rear part of the middle shield and the propulsion oil cylinder are sequentially positioned on the station; h. dividing the tail shield into a plurality of blocks, and firstly, enabling the lower block of the tail shield to be positioned at the upper station; i. and the rest blocks of the tail shield are sequentially moved to the work station. The invention makes the shield body station assembly get rid of the dependence on hoisting equipment, the hoisting and turning-over are more portable, the safety performance is greatly improved by the reasonable assembly sequence, and the assembly difficulty of the block shield machine is reduced.
Description
Technical Field
The invention relates to the technical field of shield machine manufacturing, in particular to a block type shield machine factory assembling method.
Background
With the continuous change of the shield construction method, the existing 6-7 meter-level shield machine also gradually adopts a block form, and a 6-7 meter-level block shield body is not assembled in a factory, so that the assembly difficulty exists, and the main difficulty is reflected in the situation that the assembly difficulty is increased, or the assembly risk is higher, or even the installation cannot be smoothly carried out if the assembly sequence of a block type host machine is wrong. Therefore, if no reasonable assembly scheme is available, the probability of safety problems and quality problems in the later period is correspondingly increased.
According to the conventional assembling mode of the shield machine, firstly, the shield body is assembled in a whole machine, and then the shield body is integrally hoisted to assemble stations, but the integral hoisting of the shield machine of 6-7 meters cannot be met due to hoisting limitation and traveling capacity limitation of each workshop at present. It is therefore desirable to find a new assembly method to reduce the reliance on lifting equipment and site limitations.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides a block type shield machine factory assembling method which enables shield body station assembling to get rid of dependence on hoisting equipment, hoists the heaviest piece by about 50 tons, is lighter and more convenient for hoisting and turning over, greatly improves safety performance through a reasonable assembling sequence, and reduces assembling difficulty of a block type shield machine.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a block type shield tunneling machine factory assembling method comprises the following steps: a. arranging a host station support; b. dividing the anterior shield into a plurality of blocks, and firstly enabling a bottom block of the anterior shield to be positioned on a station; c. dividing the middle shield into a front part and a rear part, then dividing the front part of the middle shield into a plurality of blocks, firstly enabling the front lower block of the middle shield to be on the station, and hard-connecting the front shield bottom block with the front lower block of the middle shield; d. a main drive upper station; e. the remaining blocks of the anterior shield are put on stations one by one; f. the rest blocks of the middle shield are sequentially moved to work stations; g. the whole rear part of the middle shield and the propulsion oil cylinder are sequentially positioned on the station; h. dividing the tail shield into a plurality of blocks, and firstly, enabling the lower block of the tail shield to be positioned at the upper station; i. and the rest blocks of the tail shield are sequentially moved to the work station.
Further, in the assembling method of the block type shield tunneling machine factory, a step of loading a station on a cutter disc is further included after the step e.
Further, in the assembling method of the block type shield tunneling machine factory, a step of assembling machine, screw machine and working position on the true circular retainer is included between the step h and the step i.
Further, in the assembling method of the block type shield tunneling machine factory, a main driving vertical hoisting tool is used for hoisting when a main driving station is driven to the upper position in the step d, the main driving vertical hoisting tool comprises an upper turning frame and a lower turning frame, the upper turning frame comprises two upper arc-shaped clamping plates which are correspondingly arranged, corresponding bolt holes are formed in the two upper arc-shaped clamping plates, the two upper arc-shaped clamping plates can be connected to two sides of the upper part of the main driving through the bolt holes in the upper arc-shaped clamping plates, fasteners and main driving and front shield connecting holes, and the two upper arc-shaped clamping plates are also connected together through upper shifting fork-shaped lifting lugs perpendicular to the upper arc-shaped clamping plates; the lower turnover frame comprises two lower arc-shaped clamping plates which are correspondingly arranged, corresponding bolt holes are formed in the two lower arc-shaped clamping plates, the two lower arc-shaped clamping plates can be connected to the lower portion of a main drive through the bolt holes, fasteners and main drive and a front shield connecting hole, the lower portions of the two lower arc-shaped clamping plates are connected together through lower shifting fork-shaped lifting lugs perpendicular to the lower arc-shaped clamping plates, the length of the lower shifting fork-shaped lifting lugs extending to the rear portion of the main drive exceeds a main drive motor, and lifting lug holes are formed in one end portion of the lower shifting fork-shaped lifting lugs extending to the rear portion of the main drive.
Further, in the assembling method of the block type shield tunneling machine factory, the upper shifting fork-shaped lifting lugs and the lower shifting fork-shaped lifting lugs are arranged to be bilaterally symmetrical, and the left upper shifting fork-shaped lifting lugs and the right upper shifting fork-shaped lifting lugs are connected through the reinforcing connecting rods.
Further, in the assembling method of the block type shield machine factory, when the tail shield blocks are moved to the upper station in the step i, the assembly of the tail shield blocks uses a shield block positioning welding tool to assist welding, the shield block positioning welding tool comprises a first pull plate, a second pull plate and a pin, and the first pull plate is fixedly connected to the outer edge of one shield block in the adjacent shield blocks; the second pulling plate is fixedly connected to the outer edge of the other shield body block in the adjacent shield body blocks and is arranged corresponding to the pulling plate; the rear section of the pin is set as a taper pin, the front section of the pin is set as a threaded shaft, and the shaft diameter of the threaded shaft is smaller than that of the taper pin; the pull plate I and the pull plate II are provided with corresponding conical pin holes, the pins sequentially penetrate through the conical pin holes of the pull plate I and the pull plate II and then are connected with the nuts, one part of the threaded shaft is located in the conical pin hole of the pull plate II, and a gap is formed between the lower end of the pull plate I and the lower end of the pull plate II.
Further, in the assembling method of the block type shield tunneling machine factory, the inner end of the first pulling plate is fixedly connected with a circular top plate, the circumferential size of the top plate is smaller than the sizes of the two sides and the lower portion of the first pulling plate, the top plate is also provided with a conical pin hole, the pin sequentially penetrates through the conical pin holes in the first pulling plate, the top plate and the second pulling plate, and the top plate is tightly attached to the second pulling plate.
Further, in the assembling method of the block type shield tunneling machine factory, the outer ends of the first pulling plate and the second pulling plate are welded with rib plates.
Further, in the assembling method of the block type shield tunneling machine factory, the anterior shield, the middle shield and the tail shield are all connected with detachable lifting lugs.
Further, in the assembling method of the block type shield machine plant, the anterior shield is divided into three parts, namely an anterior shield bottom block at the lower left part, an anterior shield middle block at the middle right part and an anterior shield upper block at the upper left part, an auxiliary support is arranged on the left side of the host station support after the anterior shield bottom block is arranged on the upper station in the step b, the anterior shield middle block is firstly hoisted and then the anterior shield upper block is hoisted in the step e, and the auxiliary support is arranged on the right side of the host station support after the anterior shield middle block is arranged on the upper station in the step e; the front part of the middle shield is a front lower block of the middle shield and a front upper block of the middle shield; the tail shield is divided into a tail shield upper block and a tail shield lower block.
The assembling method for the block type shield machine factory has the beneficial effects that:
1. according to the assembling method for the block type shield machine factory, the assembling sequence can be reasonably arranged, after the front shield bottom block is arranged on the station, the middle shield bottom block is firstly arranged on the station to work, and the front shield bottom block is in hard connection with the middle shield front bottom block, so that the whole weight of the bottom block is increased, the safety performance of the main drive on the station is greatly improved, the assembling difficulty is reduced, in addition, the block type upper stations of the front shield, the middle shield and the rear shield enable the shield body station assembling to get rid of the dependence on hoisting equipment, the heaviest part is hoisted by about 50 tons, the hoisting and turning over are more portable, the safety performance is greatly improved due to the reasonable assembling sequence, and the assembling difficulty of the block type shield machine is reduced, and the method can systematically guide the assembling of the 6-7 meter level block type shield machine factory in the factory;
2. according to the assembling method of the block type shield machine factory, a main drive vertical hoisting tool is used for hoisting when a main drive goes up a station, the hoisting tool can meet the requirement of vertical transportation of the main drive, the main drive vertical hoisting tool uses a main drive and front shield connecting hole as a bolt mounting hole of the tool, the tool is not required to be welded and connected, the disassembling is convenient, safe and reliable, in addition, the length of a lower shifting fork-shaped lifting lug of a lower turning frame is longer, the lower shifting fork-shaped lifting lug can be stably and vertically placed on the ground, and a steel wire rope is not easy to interfere with a main drive motor when the main drive turns over because the length of the lower shifting fork-shaped lifting lug is longer;
3. according to the assembling method for the block type shield machine factory, the left upper shifting fork-shaped lifting lug and the right upper shifting fork-shaped lifting lug are connected with each other through the reinforcing connecting rod, so that the left upper shifting fork-shaped lifting lug and the right upper shifting fork-shaped lifting lug are integrated with each other, and the structural strength is good;
4. according to the assembling method of the block type shield machine factory, welding can be assisted by a shield body block positioning welding tool between the upper block and the lower block of the shield, the conical pin has a certain inclination when penetrating, so that the whole structure is better fastened, the anti-loosening effect is good, the block type shield body can be connected more tightly and is more attached, the platform is not staggered, the positioning accuracy is guaranteed, and the deformation of subsequent welding work is avoided;
5. according to the assembling method for the block type shield machine factory, the circumferential size of the circular top plate is smaller than the sizes of the two sides and the lower part of the first pulling plate, so that the gap between the lower parts of the first pulling plate and the second pulling plate is larger, and whether two shield body blocks are attached or not can be conveniently observed;
6. in the assembling method of the block type shield machine factory, the front shield, the middle shield and the tail shield are all connected with detachable lifting lugs, so that the lifting lugs are not required to be repeatedly welded and planed during factory assembly, and can be reused.
Drawings
FIG. 1 is a schematic structural diagram of a station on a block in a front shield according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a station on a front shield block according to an embodiment of the present invention.
FIG. 3 is a schematic structural view of a shield body block positioning welding tool in use on a block tail shield according to an embodiment of the invention.
Fig. 4 is a schematic sectional structure view of B-B of fig. 3.
Fig. 5 is a schematic view of the structure in the direction a of fig. 3.
Fig. 6 is a schematic structural view of a top plate according to an embodiment of the present invention.
Fig. 7 is a front view structural schematic diagram of the connection between the main drive vertical hoisting tool and the main drive according to the embodiment of the invention.
Fig. 8 is a left-side structural schematic view of the connection between the main drive vertical hoisting tool and the main drive according to the embodiment of the invention.
Fig. 9 is a schematic structural view of an upper fork-shaped lug according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of a lower poking fork-shaped lifting lug according to an embodiment of the invention.
In the figure: 100 is a shield body block positioning welding tool, 101 is a rib plate, 102 is a pin, 103 is a first pulling plate, 104 is a top plate, 105 is a second pulling plate, 106 is a gasket, 107 is a nut, 200 is a tail shield block 300 is a host station support, 401 is a front shield bottom block, 402 is a front shield middle block, 402 is a front shield upper block, 500 is an auxiliary support, 600 is a main drive, 701 is an upper arc-shaped clamping plate, 702 is a fastener, 703 is an upper shifting fork-shaped lifting lug, 704 is a lower arc-shaped clamping plate, 705 is a lower shifting fork-shaped lifting lug, and 706 is a reinforcing connecting rod.
Detailed Description
The block shield tunneling machine factory assembling method of the present invention is described in more detail below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 10, the embodiment discloses a block type shield machine factory assembling method, which can systematically guide 6-7 meter-level block type shield machine factory assembling in a factory, and comprises the following steps: a. arranging a host station support; b. dividing the anterior shield into a plurality of blocks, in the embodiment, preferably, the anterior shield is divided into three blocks, namely a lower left anterior shield bottom block, a middle right anterior shield middle block and an upper left anterior shield top block, firstly enabling the lower anterior shield bottom block to be positioned, paying attention to the alignment center when the lower anterior shield bottom block is positioned, and arranging an auxiliary support on the left side of the host station support behind the upper anterior shield bottom block; c. dividing the middle shield into a front part and a rear part, then dividing the front part of the middle shield into a front upper block of the middle shield and a front lower block of the middle shield, firstly enabling the pre-assembled front lower block of the middle shield to be at an upper station, and hard-connecting a bottom block of the front shield with the front lower block of the middle shield; d. a main drive upper station; e. the rest blocks of the front shield are sequentially loaded onto the stations, the upper station of the front shield middle block is hoisted firstly in the embodiment, then the upper station of the front shield upper block is hoisted, and an auxiliary support is arranged on the right side of the host station support behind the upper station of the front shield middle block, so that the process of loading the stations on the front shield can be safe and reliable; f. preassembling a front upper block upper station of the middle shield; g. the method comprises the following steps of (1) pre-assembling a rear part of a middle shield (including a rear part block of the middle shield, a beam shaped like a Chinese character 'mi', a platform, a hinged seal and no propulsion oil cylinder) and a working position on the propulsion oil cylinder, wherein the propulsion oil cylinder is installed, leveled and a supporting shoe of the propulsion oil cylinder is installed by using a tool; h. dividing the tail shield into a tail shield upper block and a tail shield lower block, firstly enabling the tail shield lower block to be in an upper station, and fixing the tail shield and the rear part of the middle shield by using a temporary tool; i. and a tail shield upper block upper station.
The difficulty of assembling the 6-7 meter grade block type shield tunneling machine in a factory is the installation of a main drive, the weight of the main drive is large, the weight of a front shield bottom block is small, and the front shield bottom block is often worried about turning over after the main drive goes to a station because the front shield bottom block cannot bear the weight. The method can reasonably arrange the assembly sequence, after the front shield bottom block is arranged on the station, the middle shield bottom block is firstly arranged on the station, and the front shield bottom block is in hard connection with the middle shield bottom block, so that the whole weight of the bottom block is increased, the safety performance is greatly improved after the main drive is arranged on the station, the assembly difficulty is reduced, in addition, the shield body station assembly is also avoided by the partitioned upper stations of the front shield, the middle shield and the rear shield from the dependence on hoisting equipment, the heaviest part is hoisted by about 50 tons, the hoisting and turning-over are more convenient, the safety performance is greatly improved by the reasonable assembly sequence, and the assembly difficulty of the partitioned shield machine is reduced.
In the assembling method of the block type shield machine factory, the step e is followed by a step of loading stations on a cutter head, the cutter head can be installed as long as the front shield is assembled, so the step of loading stations on the cutter head can be arranged according to specific conditions.
In this embodiment, preferably, a step of loading stations on the erector, the screw machine and the true circle holder is further included between the step h and the step i, the erector, the screw machine and the true circle holder are installed before the tail shield upper block is installed, the erector, the screw machine and the true circle holder do not interfere with the tail shield upper block during installation, and the installation is convenient and efficient.
In this embodiment, preferably, the main drive vertical hoisting tool is used for hoisting when the main drive goes up the station in step d, the main drive vertical hoisting tool includes an upturning frame and a downturning frame, the upturning frame includes two upper arc-shaped clamping plates which are correspondingly arranged, the two upper arc-shaped clamping plates are provided with corresponding bolt holes, the two upper arc-shaped clamping plates can be connected to two sides of the upper part of the main drive through the bolt holes, fasteners and main drive and front shield connecting holes thereon, the fasteners in this embodiment are studs and nuts, and the two upper arc-shaped clamping plates are further connected together through upper shifting fork-shaped lifting lugs which are perpendicular to the upper arc-shaped clamping plates; lower arc splint including corresponding two lower arc splint that set up, be equipped with corresponding bolt hole on two lower arc splint, two lower arc splint can be through the bolt hole above that, fastener and main drive are connected to main drive's lower part both sides with the front shield connecting hole, two arc splint lower parts still are in the same place through dialling down the fork form lug with lower arc splint vertically, dial down the length that the fork form lug extends to the main drive rear portion and exceed main driving motor, dial down the one end tip that the fork form lug extends to the main drive rear portion and be equipped with the lug hole. Because the main drive is kept flat when being preassembled, the assembly method in the embodiment requires the main drive to be installed vertically, and all the main drives need to be provided with the turning tool to turn over during hoisting, and the hoisting process is as follows: the lifting lug hole on the shifting fork-shaped lifting lug on the top of the tool is hoisted by one crane, the lifting lug hole at one end part of the shifting fork-shaped lifting lug extending to the rear part of the main drive is hoisted by the other crane under the bottom of the tool, and the tool is lifted upwards to turn over. The hoisting tool can meet the requirement of main driving vertical transportation, the main driving vertical hoisting tool uses the main driving and the front shield connecting hole as the bolt mounting hole of the tool, the welding connection tool is not needed any more, the dismounting is convenient, the safety and the reliability are high, in addition, the length of the lower shifting fork-shaped lifting lug of the lower turning frame is long, the stable vertical placement can be carried out on the ground, and the length of the lower shifting fork-shaped lifting lug is long, so that the steel wire rope is not easy to interfere with a main driving motor when the main driving turns over.
In this embodiment, preferably, go up shift fork form lug and dial down the fork form lug and all set up to bilateral symmetry two, control two and go up between the shift fork form lug and control two and dial down between the fork form lug and all connect through strengthening the connecting rod, strengthen the connecting rod in this embodiment and adopt the I-beam, can make about two go up shift fork form lugs and about two shift fork form lugs between an organic whole nature better, structural strength is better.
In this embodiment, preferably, when the tail shield lower block and the tail shield upper block are in the upper station in step i, the tail shield lower block and the tail shield upper block are assembled by using a shield partitioning positioning welding tool for auxiliary welding, the shield partitioning positioning welding tool comprises a first pull plate, a second pull plate and a pin, and the first pull plate is fixedly connected to the outer edge of one shield partitioning block in adjacent shield partitioning blocks; the second pulling plate is fixedly connected to the outer edge of the other shield body block in the adjacent shield body blocks and is arranged corresponding to the pulling plate; compared with a cylindrical pin and a bolt, the conical pin has a certain inclination when penetrating, so that the tightness of the whole structure is better, the anti-loosening effect is good, and the fitting degree of the shield body is better; the pull plate I and the pull plate II are provided with corresponding conical pin holes, the pins sequentially penetrate through the conical pin holes of the pull plate I and the pull plate II and then are connected with the nuts, one part of the threaded shaft is located in the conical pin hole of the pull plate II, and a gap is formed between the lower end of the pull plate I and the lower end of the pull plate II. The use of this frock can be inseparabler with the block connection under the sectional type tail shield piece of going up and the tail shield, and more laminating, and the platform that has not misplaced has avoided follow-up weldment work's deformation etc..
On the basis of the scheme, more preferably, the inner end of the first pulling plate is fixedly connected with a circular top plate, and the circumferential size of the top plate is smaller than the sizes of the two sides and the lower part of the first pulling plate, so that the gap between the lower parts of the first pulling plate and the second pulling plate is larger, the two shield body blocks can be conveniently observed whether to be attached or not, the top plate is also provided with a conical pin hole, the pin sequentially penetrates through the conical pin holes in the first pulling plate, the top plate and the second pulling plate, and the top plate is tightly attached to the second pulling plate; in addition, the outer ends of the first pulling plate and the second pulling plate are respectively welded with a rib plate, and the rib plates are arranged to increase the overall strength of the tool.
In this embodiment, preferably, detachable lugs are connected to the front shield, the middle shield and the tail shield, so that the lugs do not need to be welded and planed repeatedly in factory assembly and site assembly, and the lugs can be reused.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above, and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention.
Claims (8)
1. A block type shield tunneling machine factory assembling method is characterized by comprising the following steps: a. arranging a host station support; b. dividing the anterior shield into a plurality of blocks, and firstly enabling a bottom block of the anterior shield to be positioned on a station; c. dividing the middle shield into a front part and a rear part, then dividing the front part of the middle shield into a plurality of blocks, firstly enabling the front lower block of the middle shield to be on the station, and hard-connecting the front shield bottom block with the front lower block of the middle shield; d. a main drive upper station; e. the remaining blocks of the anterior shield are put on stations one by one; f. the rest blocks of the middle shield are sequentially moved to work stations; g. the whole rear part of the middle shield and the propulsion oil cylinder are sequentially positioned on the station; h. dividing the tail shield into a plurality of blocks, and firstly, enabling the lower block of the tail shield to be positioned at the upper station; i. the rest blocks of the tail shield are sequentially put on a station; when the tail shield blocks are put on a station in the step i, assembling the tail shield blocks by using a shield body block positioning welding tool for auxiliary welding, wherein the shield body block positioning welding tool comprises a first pulling plate, a second pulling plate and a pin, and the first pulling plate is fixedly connected to the outer edge of one shield body block in the adjacent shield body blocks; the second pulling plate is fixedly connected to the outer edge of the other shield body block in the adjacent shield body blocks and is arranged corresponding to the pulling plate; the rear section of the pin is set as a taper pin, the front section of the pin is set as a threaded shaft, and the shaft diameter of the threaded shaft is smaller than that of the taper pin; the pull plate I and the pull plate II are provided with corresponding conical pin holes, the pins sequentially penetrate through the conical pin holes of the pull plate I and the pull plate II and then are connected with nuts, one part of the threaded shaft is located in the conical pin holes of the pull plate II, a gap is formed between the lower end of the pull plate I and the lower end of the pull plate II, a circular top plate is fixedly connected to the inner end of the pull plate I, the top plate is also provided with conical pin holes, the pins sequentially penetrate through the conical pin holes in the pull plate I, the top plate and the pull plate II, and the top plate is tightly attached to the pull plate II.
2. The method of claim 1, further comprising a step of working on a cutterhead after step e.
3. The method for assembling a block type shield tunneling machine factory according to claim 1, wherein a step of assembling, screwing and working positions on a true circle holder is further included between the step h and the step i.
4. The assembling method of a block type shield tunneling machine factory according to claim 1, wherein a main-drive vertical hoisting tool is used for hoisting when a main drive is in an upper station in the step d, the main-drive vertical hoisting tool comprises an upper turning frame and a lower turning frame, the upper turning frame comprises two upper arc-shaped clamping plates which are correspondingly arranged, corresponding bolt holes are formed in the two upper arc-shaped clamping plates, the two upper arc-shaped clamping plates can be connected to two sides of the upper part of the main drive through the bolt holes in the upper arc-shaped clamping plates, fasteners and main drive and front shield connecting holes, and the two upper arc-shaped clamping plates are further connected together through upper shifting fork-shaped lifting lugs which are perpendicular to the upper arc-shaped clamping plates; the lower turnover frame comprises two lower arc-shaped clamping plates which are correspondingly arranged, corresponding bolt holes are formed in the two lower arc-shaped clamping plates, the two lower arc-shaped clamping plates can be connected to the lower portion of a main drive through the bolt holes, fasteners and main drive and a front shield connecting hole, the lower portions of the two lower arc-shaped clamping plates are connected together through lower shifting fork-shaped lifting lugs perpendicular to the lower arc-shaped clamping plates, the length of the lower shifting fork-shaped lifting lugs extending to the rear portion of the main drive exceeds a main drive motor, and lifting lug holes are formed in one end portion of the lower shifting fork-shaped lifting lugs extending to the rear portion of the main drive.
5. The assembling method for the block type shield tunneling machine factory according to claim 4, wherein the upper shifting fork-shaped lifting lugs and the lower shifting fork-shaped lifting lugs are arranged in a left-right symmetrical mode, and the left upper shifting fork-shaped lifting lugs and the right lower shifting fork-shaped lifting lugs are connected through reinforcing connecting rods.
6. The assembling method of a block type shield tunneling machine factory according to claim 1, wherein the outer ends of the first pulling plate and the second pulling plate are welded with rib plates.
7. The method for assembling a block type shield tunneling machine factory according to claim 1, wherein detachable lifting lugs are connected to the anterior shield, the middle shield and the tail shield.
8. The assembling method of a block type shield machine factory according to claim 1, wherein the anterior shield is divided into three blocks, namely an anterior shield bottom block at the lower left part, an anterior shield middle block at the middle right part and an anterior shield upper block at the upper left part, an auxiliary support is arranged on the left side of the host station support after the anterior shield bottom block upper station in the step b, the anterior shield middle block upper station is hoisted firstly in the step e, and then the anterior shield upper block upper station is hoisted, and an auxiliary support is arranged on the right side of the host station support after the anterior shield middle block upper station in the step e; the front part of the middle shield is a front lower block of the middle shield and a front upper block of the middle shield; the tail shield is divided into a tail shield upper block and a tail shield lower block.
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| CN208103873U (en) * | 2018-04-25 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of main driving turnover hoisting device of major diameter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208103873U (en) * | 2018-04-25 | 2018-11-16 | 中铁工程装备集团有限公司 | A kind of main driving turnover hoisting device of major diameter |
| CN110421323A (en) * | 2019-08-07 | 2019-11-08 | 衡橡科技股份有限公司 | A kind of processing method of assembling-type rotary body device |
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| CN111055115A (en) | 2020-04-24 |
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