CN111283362B - Major-diameter cutter head assembling operation platform and cutter head assembling method - Google Patents
Major-diameter cutter head assembling operation platform and cutter head assembling method Download PDFInfo
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- CN111283362B CN111283362B CN202010243694.7A CN202010243694A CN111283362B CN 111283362 B CN111283362 B CN 111283362B CN 202010243694 A CN202010243694 A CN 202010243694A CN 111283362 B CN111283362 B CN 111283362B
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 57
- 238000005520 cutting process Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0461—Welding tables
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the technical field of tunnel boring machine structural equipment, and particularly relates to a large-diameter cutter head assembling operation platform and a cutter head assembling method, which greatly improve the welding operation efficiency of a large-diameter cutter head and reduce the labor intensity of workers; the device comprises a platform frame body which is arranged in a vertical structure, wherein a central flange plate is further arranged at the central position of the platform frame body, and a cutter head assembling and connecting tool is further arranged on the central flange plate and used for positioning and connecting a cutter head central block; the front end of the platform frame body is also provided with a lifting adjusting device for adjusting and assembling the bottom edge blocks of the cutterhead; the invention provides a large-diameter cutter head assembling operation platform and a cutter head assembling method, which ensure the assembling precision and the assembling operation quality of the large-diameter cutter head in the process of welding operation and improve the economic benefit of enterprises.
Description
Technical Field
The invention belongs to the technical field of tunnel boring machine structural equipment; in particular to a large-diameter cutter head assembling operation platform and a cutter head assembling method.
Background
The shield tunnel boring machine is a special engineering machine for tunnel boring, integrates light, machine, electricity, liquid, sensing and information technologies, has the functions of excavating and cutting soil body, conveying soil slag, assembling tunnel lining, measuring, guiding, correcting and the like, relates to multi-discipline technologies such as geology, civil engineering, machinery, mechanics, hydraulic pressure, electricity, control, measuring and the like, and has extremely high reliability requirements by designing and manufacturing of 'body-measuring and tailoring' according to different geology; the method is widely used for tunnel engineering of subways, railways, highways, municipal administration, hydropower and the like; the cutterhead is used as a key component of the tunnel boring machine, has the functions of excavating and stirring overflowing rock soil and supporting a tunneling surface, and is quickly and directly related to the tunneling efficiency and the construction safety of the tunnel boring machine when assembled; in the assembling and assembling process of the cutterhead of the tunnel boring machine, particularly in the assembling process of a cutterhead structure with a large diameter, the flatwise welding operation of the cutterhead cannot be performed due to the factors of the limitation of an assembling field and the like; meanwhile, the technical problems that the assembling operation is difficult to achieve in the vertical type welding operation process often exist in the large-diameter structure cutter head, the operation efficiency is low, and the assembling precision of the cutter head is difficult to guarantee are solved, so that the large-diameter cutter head assembling operation platform and the cutter head assembling method are very necessary.
Disclosure of Invention
The invention aims at:
The technical problem is mainly solved, the large-diameter cutter head assembling working platform and the cutter head assembling method are provided, so that the assembling working efficiency of the large-diameter cutter head is greatly improved, the labor intensity of workers is reduced, the assembling precision of the large-diameter cutter head in the assembling and welding working process is greatly guaranteed, the assembling working quality of the large-diameter cutter head structure is guaranteed, the production cost of the large-diameter cutter head in the assembling and welding working process is greatly reduced, and the economic benefit of enterprises is improved.
The technical scheme of the invention is as follows:
The large-diameter cutterhead assembling working platform comprises a platform frame body which is arranged in a vertical structure, wherein the platform frame body comprises platform upright posts which are symmetrically arranged, and the top and the bottom of the platform upright posts are respectively connected with each other through an upper connecting cross beam and a lower connecting cross beam; connecting diagonal bracing beams which are symmetrically arranged are arranged between the upper connecting cross beam and the platform upright post and between the lower connecting cross beam and the platform upright post; a cross-connection beam is also arranged between the adjacent connection diagonal bracing beams; a central flange plate is also arranged at the central position of the platform frame body and is respectively connected with the bridging connecting beam through a connecting base; the center flange is also provided with a cutter head assembling and connecting tool which is used for positioning and connecting a cutter head center block; the front end of the platform frame body is also provided with a lifting adjusting device for adjusting and assembling the bottom edge blocks of the cutterhead; the platform frame body is also provided with a horizontal adjusting device for adjusting and assembling the edge blocks of the cutterhead.
The rear end part of the platform frame body is also provided with an inclined support frame body, and a bridging cross beam is arranged between the platform frame body and the inclined support frame body.
The cutter head assembling and connecting tool comprises a connecting flange base, wherein the connecting flange base is connected with the central flange plate through a plurality of connecting bolt groups; a plurality of connecting supports are uniformly distributed on the connecting flange base, and the front ends of the connecting supports are positioned and connected with the cutter head center block through mounting bolts; the connecting support is arranged at a position avoiding the tool box and the tool.
The lifting adjusting device comprises a lifting oil cylinder, a bottom edge block supporting seat is arranged on the lifting oil cylinder, and a supporting chamfer of an arc-shaped structure is further arranged on the bottom edge block supporting seat.
The lifting cylinders are arranged in 4 mutually symmetrical mode.
The horizontal adjusting device comprises a horizontal adjusting oil cylinder which is arranged on the platform frame body, and the position of the horizontal adjusting oil cylinder is kept away from the position of the tool box and the tool.
The platform frame body is also provided with a plurality of cutterheads for assembling and welding support.
The platform frame body is also provided with a plurality of layers of operation platforms from bottom to top.
A cutterhead assembling method comprising the large-diameter cutterhead assembling working platform according to any one of the above, the cutterhead assembling method comprising:
(1) Installing a cutter head bottom edge block: hoisting a cutter head bottom edge block to a position of a supporting chamfer on a bottom edge block supporting seat, welding and connecting, and welding and fixing the cutter head bottom edge block and an operation platform through a cutter head assembly welding support extending out of a platform frame body;
(2) And (3) installing a cutter disc center block: hoisting the cutter head center block to a cutter head assembling and connecting tool, and carrying out bolt connection on the cutter head center block and the cutter head assembling and connecting tool through a connecting support arranged on the cutter head assembling and connecting tool so as to realize assembling and positioning of the cutter head center block and the connecting tool; then, the cutter head assembling and connecting tool is positioned and connected with the cutter head assembling and operating platform through a plurality of groups of connecting bolt groups uniformly distributed on the central flange plate;
(3) Assembling a cutter head bottom edge block and a cutter head center block: cutting off welding points formed by splicing and welding the cutter head bottom edge block and the cutter head through a cutting device, and operating a lifting oil cylinder to lift the cutter head bottom edge block to the position of the cutter head center block; pre-connecting a cutter head bottom edge block to a cutter head center block on an operation platform;
(4) Left and right blocks of the assembled cutter disc: hoisting left blocks and right blocks of the cutterhead to the front end of the platform frame body through a hoisting device, pre-connecting left and right Bian Kuai of the cutterhead with a center block and a bottom block of the cutterhead respectively, and then splicing and welding the left and right Bian Kuai of the cutterhead with the cutterhead extending out of the platform frame body to fix the cutterhead by welding;
(5) Assembling a cutter head top edge block: hoisting a cutter head top edge block to the front end of a platform frame body through a hoisting device, pre-connecting the cutter head top edge block with left and right edge blocks and a center block of the cutter head, and then welding and fixing the cutter head top edge block with a cutter head assembling and welding support extending out of the platform frame body;
(6) Pushing and leveling: cutting off welding points of each edge block of the cutterhead and the splicing and welding support of the cutterhead through a cutting device, and carrying out leveling pushing treatment on each structural block of the cutterhead by using a horizontal adjusting oil cylinder arranged on a platform frame body;
(7) And (3) assembling and welding: and carrying out assembly welding and splicing connection of welding seams on each structural block of the cutterhead on the operation platform.
The beneficial effects of the invention are as follows:
the invention provides the large-diameter cutter head assembling working platform and the cutter head assembling method, which not only greatly improve the assembling and welding working efficiency of the large-diameter cutter head and reduce the labor intensity of workers, but also greatly ensure the assembling precision of the large-diameter cutter head in the assembling and welding working process, ensure the assembling working quality of the large-diameter cutter head structure, greatly reduce the production cost of the large-diameter cutter head in the assembling and welding working process and improve the economic benefit of enterprises.
Drawings
FIG. 1 is a schematic diagram of a front view of a work platform according to the present invention;
FIG. 2 is a schematic side view of a work platform according to the present invention;
Fig. 3 is a schematic diagram of a front view structure of the cutterhead assembling and connecting tool of the invention;
Fig. 4 is a schematic side view structure of the cutterhead assembling and connecting tool of the invention;
Fig. 5 is a schematic diagram of a front view structure of a first cutter head assembling operation procedure of the present invention;
fig. 6 is a schematic side view of a first construction of a cutterhead assembly process of the present invention;
fig. 7 is a schematic diagram of a front view structure of a second operation flow of assembling cutterhead in the present invention;
Fig. 8 is a schematic side view of a second construction of the cutterhead assembly process of the present invention;
Fig. 9 is a schematic diagram of a front view structure of a cutter head assembling operation procedure three according to the present invention;
fig. 10 is a schematic side view of a third construction of the cutter head assembling operation procedure of the present invention;
fig. 11 is a schematic diagram of a front view structure of a fourth operation flow of assembling cutterhead in the present invention;
fig. 12 is a schematic side view of a fourth construction of the cutterhead assembly process of the present invention.
In the figure: 1 is a platform frame body; 2 is a platform upright post; 3 is an upper connecting beam; 4 is a lower connecting beam; 5 is a connecting diagonal bracing beam; 6 is a cross-connection beam; 7 is a central flange; 8 is a connecting base; 9 is a cutter head assembling and connecting tool; 10 is a cutter head center block; 11 is a lifting adjusting device; 12 is a cutter head bottom edge block; 13 is a horizontal adjusting device; 14 is an inclined strut frame body; 15 is a bridging beam; 16 is a connecting flange base; 17 is a connecting bolt group; 18 is a connecting support; 19 is a lifting oil cylinder; 20 is a bottom edge block supporting seat; 21 is a horizontal adjusting oil cylinder; 22 is a cutter head assembling and welding support; 23 is an operation platform; 24 is the left block of the cutter disc; 25 is the right block of the cutter disc; and 26 is a cutter head top edge block.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1 to 12, there is provided a major diameter cutterhead assembling work platform, comprising a platform frame body 1 arranged in a vertical structure, the platform frame body comprising platform upright posts 2 symmetrically arranged with each other, the top and bottom of the platform upright posts are respectively connected by an upper connecting cross beam 3 and a lower connecting cross beam 4; connecting diagonal bracing beams 5 which are symmetrically arranged are arranged between the upper connecting cross beam and the platform upright post and between the lower connecting cross beam and the platform upright post; a cross-connection beam 6 is also arranged between the adjacently arranged connection diagonal bracing beams; a central flange 7 is also arranged at the central position of the platform frame body and is respectively connected with the bridging connecting beam through a connecting base 8; the center flange is also provided with a cutter head assembling and connecting tool 9 for positioning and connecting a cutter head center block 10; the front end of the platform frame body is also provided with a lifting adjusting device 11 for adjusting and assembling the cutter head bottom edge block 12; the platform frame body is also provided with a horizontal adjusting device 13 for adjusting and assembling the side blocks of the cutterhead.
The rear end part of the platform frame body is also provided with an inclined support frame body 14, and a bridging cross beam 15 is arranged between the platform frame body and the inclined support frame body.
The cutter head assembling and connecting tool comprises a connecting flange base 16, wherein the connecting flange base is connected with a central flange plate through a plurality of connecting bolt groups 17; a plurality of connecting supports 18 are uniformly distributed on the connecting flange base, and the front ends of the connecting supports are positioned and connected with the cutter head center block through mounting bolts; the connecting support is arranged at a position avoiding the tool box and the tool.
The lifting adjusting device comprises a lifting oil cylinder 19, a bottom edge block supporting seat 20 is arranged on the lifting oil cylinder, and a supporting chamfer of an arc-shaped structure is further arranged on the bottom edge block supporting seat.
The lifting cylinders are arranged in 4 mutually symmetrical mode.
The horizontal adjusting device comprises a horizontal adjusting oil cylinder 21 which is arranged on the platform frame body, and the position of the horizontal adjusting oil cylinder is at a position avoiding the knife box and the knife.
A plurality of cutterheads are also provided on the platform frame body for assembly and welding 22.
A plurality of layers of work platforms 23 are also arranged on the platform frame body from bottom to top.
A cutterhead assembling method comprising the large-diameter cutterhead assembling working platform according to any one of the above, the cutterhead assembling method comprising:
(1) Mounting a cutter head bottom edge block 12: hoisting a cutter head bottom edge block to a position of a supporting chamfer on a bottom edge block supporting seat, welding and connecting, and welding and fixing the cutter head bottom edge block and an operation platform through a cutter head assembly welding support extending out of a platform frame body;
(2) Mounting a cutter head center block 10: hoisting the cutter head center block to a cutter head assembling and connecting tool, and carrying out bolt connection on the cutter head center block and the cutter head assembling and connecting tool through a connecting support arranged on the cutter head assembling and connecting tool so as to realize assembling and positioning of the cutter head center block and the connecting tool; then, the cutter head assembling and connecting tool is positioned and connected with the cutter head assembling and operating platform through a plurality of groups of connecting bolt groups uniformly distributed on the central flange plate;
(3) Assembling a cutter head bottom edge block and a cutter head center block: cutting off welding points formed by splicing and welding the cutter head bottom edge block and the cutter head through a cutting device, and operating a lifting oil cylinder to lift the cutter head bottom edge block to the position of the cutter head center block; and pre-connecting the cutter head bottom edge block to the cutter head center block on the operation platform.
(4) Left and right blocks of the assembled cutter disc: the left block 24 and the right block 25 of the cutterhead are hoisted to the front end of the platform frame body through a hoisting device, the left and right Bian Kuai of the cutterhead are respectively connected with the center block and the bottom block of the cutterhead in advance, and then are welded and fixed with the cutterhead assembly welding support of the platform frame body.
(5) Assembling a cutter head top edge block 26: hoisting the top edge block of the cutterhead to the front end of the platform frame body through a hoisting device, pre-connecting the top edge block of the cutterhead with the left and right edge blocks and the center block of the cutterhead, and then welding and fixing the top edge block of the cutterhead with the cutterhead assembly welding support extending out of the platform frame body.
(6) Pushing and leveling: and cutting off welding points of the edge blocks of the cutterhead and the splicing and welding support of the cutterhead through a cutting device, and carrying out leveling pushing treatment on each structural block of the cutterhead based on the center block of the cutterhead through a horizontal adjusting oil cylinder arranged on a platform frame body.
(7) And (3) assembling and welding: and carrying out assembly welding and splicing connection of welding seams on each structural block of the cutterhead on the operation platform.
The invention provides the large-diameter cutter head assembling working platform and the cutter head assembling method, which not only greatly improve the assembling and welding working efficiency of the large-diameter cutter head and reduce the labor intensity of workers, but also greatly ensure the assembling precision of the large-diameter cutter head in the assembling and welding working process, ensure the assembling working quality of the large-diameter cutter head structure, greatly reduce the production cost of the large-diameter cutter head in the assembling and welding working process and improve the economic benefit of enterprises.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify 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.
The foregoing description of the exemplary embodiments of the invention is not intended to limit the scope of the invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the invention should be considered as falling within the scope of the invention.
Claims (3)
1. The cutter head assembling method comprises the steps that cutter head assembling is realized on a large-diameter cutter head assembling operation platform, the large-diameter cutter head assembling operation platform comprises a platform frame body which is arranged in a vertical structure, the platform frame body comprises platform upright posts which are symmetrically arranged with each other, and the top and the bottom of the platform upright posts are respectively connected with each other through an upper connecting beam and a lower connecting beam; connecting diagonal bracing beams which are symmetrically arranged are arranged between the upper connecting cross beam and the platform upright post and between the lower connecting cross beam and the platform upright post; a cross-connection beam is also arranged between the adjacent connection diagonal bracing beams; a central flange plate is also arranged at the central position of the platform frame body and is respectively connected with the bridging connecting beam through a connecting base; the center flange is also provided with a cutter head assembling and connecting tool which is used for positioning and connecting a cutter head center block; the front end of the platform frame body is also provided with a lifting adjusting device for adjusting and assembling the bottom edge blocks of the cutterhead; the horizontal adjusting devices are uniformly distributed on the platform frame body and are used for adjusting and assembling all edge blocks of the cutterhead; the cutter head assembling and connecting tool comprises a connecting flange base, wherein the connecting flange base is connected with the central flange plate through a plurality of connecting bolt groups; a plurality of connecting supports are uniformly distributed on the connecting flange base, and the front ends of the connecting supports are positioned and connected with the cutter head center block through mounting bolts; the connecting support is arranged at a position avoiding the cutter box and the cutter; the lifting adjusting device comprises a lifting oil cylinder, a bottom edge block supporting seat is arranged on the lifting oil cylinder, and a supporting chamfer of an arc-shaped structure is further arranged on the bottom edge block supporting seat; the horizontal adjusting device comprises a horizontal adjusting oil cylinder which is arranged on the platform frame body, and the position of the horizontal adjusting oil cylinder is kept away from the position of the tool box and the tool; a plurality of cutterheads are also arranged on the platform frame body for assembling, welding and supporting; a plurality of layers of operation platforms are also arranged on the platform frame body from bottom to top; characterized in that the method comprises the following steps:
(1) Installing a cutter head bottom edge block: hoisting a cutter head bottom edge block to a position of a supporting chamfer on a bottom edge block supporting seat, welding and connecting, and welding and fixing the cutter head bottom edge block and an operation platform through a cutter head assembly welding support extending out of a platform frame body;
(2) And (3) installing a cutter disc center block: hoisting the cutter head center block to a cutter head assembling and connecting tool, and carrying out bolt connection on the cutter head center block and the cutter head assembling and connecting tool through a connecting support arranged on the cutter head assembling and connecting tool so as to realize assembling and positioning of the cutter head center block and the connecting tool; then, the cutter head assembling and connecting tool is positioned and connected with the cutter head assembling and operating platform through a plurality of groups of connecting bolt groups uniformly distributed on the central flange plate;
(3) Assembling a cutter head bottom edge block and a cutter head center block: cutting off welding points formed by splicing and welding the cutter head bottom edge block and the cutter head through a cutting device, and operating a lifting oil cylinder to lift the cutter head bottom edge block to the position of the cutter head center block; pre-connecting a cutter head bottom edge block to a cutter head center block on an operation platform;
(4) Left and right blocks of the assembled cutter disc: hoisting left blocks and right blocks of the cutterhead to the front end of the platform frame body through a hoisting device, pre-connecting left and right Bian Kuai of the cutterhead with a center block and a bottom block of the cutterhead respectively, and then splicing and welding the left and right Bian Kuai of the cutterhead with the cutterhead extending out of the platform frame body to fix the cutterhead by welding;
(5) Assembling a cutter head top edge block: hoisting a cutter head top edge block to the front end of a platform frame body through a hoisting device, pre-connecting the cutter head top edge block with left and right edge blocks and a center block of the cutter head, and then welding and fixing the cutter head top edge block with a cutter head assembling and welding support extending out of the platform frame body;
(6) Pushing and leveling: cutting off welding points of each edge block of the cutterhead and the splicing and welding support of the cutterhead through a cutting device, and carrying out leveling pushing treatment on each structural block of the cutterhead by using a horizontal adjusting oil cylinder arranged on a platform frame body;
(7) And (3) assembling and welding: and carrying out assembly welding and splicing connection of welding seams on each structural block of the cutterhead on the operation platform.
2. The cutterhead assembling method according to claim 1, wherein: the rear end part of the platform frame body is also provided with an inclined support frame body, and a bridging cross beam is arranged between the platform frame body and the inclined support frame body.
3. The cutterhead assembling method according to claim 1, wherein: the lifting cylinders are arranged in 4 mutually symmetrical mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010243694.7A CN111283362B (en) | 2020-03-31 | 2020-03-31 | Major-diameter cutter head assembling operation platform and cutter head assembling method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010243694.7A CN111283362B (en) | 2020-03-31 | 2020-03-31 | Major-diameter cutter head assembling operation platform and cutter head assembling method |
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| CN111283362A CN111283362A (en) | 2020-06-16 |
| CN111283362B true CN111283362B (en) | 2024-09-17 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111828024B (en) * | 2020-07-17 | 2021-09-14 | 青岛理工大学 | Adjustable receiving platform of tunnel boring equipment |
| CN116140851A (en) * | 2023-02-21 | 2023-05-23 | 中铁隧道局集团有限公司 | Cutter head assembling method of shield tunneling machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396810A (en) * | 2018-12-25 | 2019-03-01 | 中铁隧道局集团有限公司 | A kind of shield cutter assembly workbench and its assembling method |
| CN212095033U (en) * | 2020-03-31 | 2020-12-08 | 中铁工程装备集团技术服务有限公司 | Major diameter blade disc assembly work platform |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2614654C2 (en) * | 1976-04-05 | 1982-12-09 | Kraftwerk Union AG, 4330 Mülheim | Transport and assembly device for screw tensioning devices |
| CN108180029B (en) * | 2018-01-23 | 2019-10-22 | 上海隧道工程有限公司 | Tunnel prefabricated component assembly mechanical device |
| CN109853965B (en) * | 2019-01-22 | 2024-03-19 | 中铁大桥局第七工程有限公司 | Vertical splicing adjusting device based on multi-component quick splicing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396810A (en) * | 2018-12-25 | 2019-03-01 | 中铁隧道局集团有限公司 | A kind of shield cutter assembly workbench and its assembling method |
| CN212095033U (en) * | 2020-03-31 | 2020-12-08 | 中铁工程装备集团技术服务有限公司 | Major diameter blade disc assembly work platform |
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