CN108691550B - Vertical shaft shield machine for underground upward construction and construction method thereof - Google Patents
Vertical shaft shield machine for underground upward construction and construction method thereof Download PDFInfo
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- CN108691550B CN108691550B CN201810695174.2A CN201810695174A CN108691550B CN 108691550 B CN108691550 B CN 108691550B CN 201810695174 A CN201810695174 A CN 201810695174A CN 108691550 B CN108691550 B CN 108691550B
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- shaft
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a vertical shaft shield machine for constructing from underground to upwards and a construction method thereof, and solves the problems of low mechanical degree, complex working procedure and low working efficiency of vertical shaft construction in the prior art. The invention comprises a shield body arranged on an initial pipe piece, wherein an initial sealing steel cylinder is arranged at the lower part of an initial vertical shaft, a sealing structure is arranged between the initial sealing steel cylinder and the initial pipe piece, a cutter disc is arranged at the upper end of the shield body, a main drive, a central slag discharging device, a pipe piece splicing machine and a pipe piece crane are arranged in the shield body, the main drive is fixedly connected with the cutter disc, a pushing oil cylinder is arranged below the main drive, the pushing oil cylinder is arranged along the inner wall of the shield body, the central slag discharging device is arranged at the central shaft position of the shield body, the upper end of the central slag discharging device is fixedly connected with the main drive, and the pipe piece splicing machine and the pipe piece crane are both arranged on the central slag discharging device. The invention can be used for constructing a large-diameter vertical shaft by a shield method and constructing a small-diameter vertical shaft by a pipe jacking method, and has flexible construction mode, manpower and material resources saving and high working efficiency.
Description
Technical Field
The invention relates to the technical field of shaft construction, in particular to a shaft shield machine for underground upward construction and a construction method thereof.
Background
With the development of national economy, urban rail transit construction and urban underground pipe gallery construction are rapidly developed in recent years. Shaft construction is also rapidly growing, but the shaft excavating device is not improved along with the growth of shaft construction engineering, and the shaft excavating device in the prior art is still relatively lagging. The existing vertical shaft is usually tunneled from top to bottom manually, after a certain depth is reached, the wall is built from bottom to top, tunneling and wall building are alternately carried out, slurry needs to be sprayed on the well wall before the wall is built sometimes, the procedures are numerous, the construction is complicated, the efficiency is extremely low, in addition, the construction of the vertical shaft is carried out manually, and once accidents occur, casualties of personnel are easily caused.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides a vertical shaft shield machine constructed from underground to upward and a construction method thereof, which solve the problems of low mechanical degree, complicated working procedure and low working efficiency of vertical shaft construction in the prior art.
The technical scheme of the invention is realized as follows: the utility model provides a vertical shaft shield constructs machine of construction from underground upwards, including setting up the shield body on initial section of jurisdiction, shield body vertical setting is in originating the shaft, originating the lower part of shaft and being equipped with the sealed steel drum that originates, be equipped with seal structure between sealed steel drum and the initial section of jurisdiction, the upper end of shield body is equipped with the blade disc, be equipped with main drive in the shield body, the central sediment device, the main drive is equipped with the propulsion cylinder in the below of main drive, the propulsion cylinder is along the fixed setting of shield body inner wall, the central sediment device sets up the center pin position of shield body, the upper end and the main drive fixed connection of central sediment device, section of jurisdiction amalgamator and section of jurisdiction crane all set up on the central sediment device, the below of section of jurisdiction amalgamator is equipped with operation platform, operation platform and central sediment device fixed connection, main drive, the propulsion cylinder, amalgamator and section of jurisdiction crane all are connected with the power control system who sets up in the tunnel through the pipeline.
The inside of the central slag discharging device is vertically provided with a central slag soil improvement pipe, the upper end of the central slag soil improvement pipe penetrates through the main drive to be connected with the cutterhead, and the lower end of the central slag soil improvement pipe stretches into the central slag discharging device.
The central muck improvement pipe comprises a porous pipe and a rotary joint, the upper end of the porous pipe is connected with the cutterhead, and the lower end of the porous pipe is communicated with the rotary joint.
The central slag discharging device comprises a slag discharging pipeline and a flexible slag sliding pipe, the upper end of the slag discharging pipeline is connected with the main drive, the lower end of the slag discharging pipeline is communicated with the flexible slag sliding pipe, the flexible slag sliding pipe corresponds to the transportation trolley, and at least one mechanical gate valve and at least one flexible valve are arranged inside the slag discharging pipeline.
The initial section of jurisdiction sets up on steel constructs basic frame, and steel constructs basic frame setting is in tunnel bottom, and the upper surface of steel constructs basic frame is the plane, and the bottom of steel constructs basic frame is the arc frame, arc frame and tunnel inner wall cooperation contact.
The transportation trolley is arranged on a steel structure foundation frame, a main control room and a power control system are arranged at the rear of the steel structure foundation frame, and the main control room is connected with the power control system.
A construction method of a vertical shaft shield machine constructed from underground to upward comprises the steps of constructing a large-diameter vertical shaft and constructing a small-diameter vertical shaft; the construction of the large-diameter vertical shaft comprises the following steps: s1: paving a steel-structure foundation frame and an originating duct piece in the tunnel, wherein the originating duct piece is fixedly connected with the steel-structure foundation frame; s2: an initial sealing steel cylinder is arranged at the lower part of the initial vertical shaft, and a sealing structure is arranged between the initial sealing steel cylinders; s3: hoisting the shield machine on the originating pipe piece to enable the cutter disc to be positioned in the steel cylinder well; s4: checking equipment, and starting the shield machine after ensuring safety; s5: the main drive drives the cutterhead to rotate, soil body excavation is carried out, the excavated dregs are conveyed to the transport trolley through the central dregs discharging device, and in the dregs discharging process, the size of a dregs discharging channel is controlled by adjusting a mechanical gate valve and a flexible valve, so that the amount of dregs discharged is controlled; s6: after tunneling a set distance by a cutter head, hoisting the pipe piece to an assembling position by a pipe piece crane, and assembling the pipe piece by a pipe piece assembling machine; s7: the telescopic end of the pushing oil cylinder stretches out, the assembled duct piece is propped up tightly, and the pushing oil cylinder drives the main drive and the cutterhead to tunnel upwards; s8: repeating the steps S5-S7 until the whole shaft construction is completed; s9: the whole shield tunneling machine can be directly adjusted out from the ground, transported, disassembled in a vertical shaft and a tunnel, transported to a designated position through the tunnel and completed in construction.
The construction of the small-diameter vertical shaft comprises the following steps: a: paving a steel foundation frame and an originating duct piece in the tunnel, paving a jacking cylinder at the lower part of the originating duct piece, and pushing the originating duct piece to move up and down by the jacking cylinder; b: an initial sealing steel cylinder is arranged at the lower part of the initial vertical shaft, and a sealing structure is arranged between the initial sealing steel cylinders; c: hoisting the shield machine on the originating pipe piece to enable the cutter disc to be positioned in the steel cylinder well; d: checking equipment, and starting the shield machine after ensuring safety; e: the main drive drives the cutterhead to rotate, soil body excavation is carried out, the excavated dregs are conveyed to the transport trolley through the central dregs discharging device, and in the dregs discharging process, the size of a dregs discharging channel is controlled by adjusting a mechanical gate valve and a flexible valve, so that the amount of dregs discharged is controlled; f: after tunneling a set distance by a cutter head, hoisting the pipe piece to an assembling position by a pipe piece crane, assembling the pipe piece by a pipe piece assembling machine, and sequentially assembling the pipe pieces on an initial pipe piece; g: the telescopic end of the jacking cylinder stretches out to push the segment and the shield machine to move upwards simultaneously; h: repeating the steps e-g until the whole shaft construction is completed; i: the whole shield tunneling machine can be directly adjusted out from the ground, transported, disassembled in a vertical shaft and a tunnel, transported to a designated position through the tunnel and completed in construction.
Compared with the existing open-cut method, the vertical shaft construction is carried out by adopting the upward shield machine which is constructed from underground upwards, and the vertical shaft construction method has the advantages of underground construction, small ground noise and small environmental impact; the occupied land is small, and the occupied time is short; the full-mechanized shaft construction can be realized, and the efficiency is higher; the pressure maintaining mode construction can be adopted, so that water and soil loss is effectively prevented, ground subsidence is controlled, and the construction is safer. The method can be used for carrying out large-diameter shaft construction by a shield method and small-diameter shaft construction by a pipe jacking method, is flexible in construction mode, saves manpower and material resources, and has high popularization value and market value.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a schematic view of the construction of the present invention.
Fig. 2 is a schematic side view of the construction of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, in embodiment 1, a shaft shield machine for constructing from underground to upward includes a shield body 4 disposed on an initial segment 13, and a seal is designed at the lower part of the shield body 4 for sealing between equipment and a shaft structure, so as to prevent accidents such as water penetration during construction. The shield body 4 is vertically arranged in the originating vertical shaft, can be vertically constructed and can also be inclined for certain angle construction, the lower part of the originating vertical shaft is provided with an originating sealing steel cylinder 12, a sealing structure 1201 is arranged between the originating sealing steel cylinder 12 and the initial duct piece 13 and is used for sealing between the steel cylinder and the temporary duct piece 13, and accidents such as mud burst, water permeation and the like are prevented in the construction process. The upper end of the shield body 4 is provided with a cutter head 1, the shield body 4 is internally provided with a main drive 2, a central slag discharging device 7, a pipe piece splicing machine 6 and a pipe piece crane 9, the central slag discharging device 7 is used for discharging dregs, and the pipe piece splicing machine 6 and the pipe piece crane 9 are respectively used for splicing and lifting pipe pieces. The main drive 2 is fixedly connected with the cutterhead 1 to drive the cutterhead to rotate so as to excavate soil. The propelling oil cylinder 3 is arranged below the main drive 2, and the propelling oil cylinders 3 are fixedly arranged along the inner wall of the shield body 1 and are annularly arranged, so that the stress of the main drive is balanced. The center sediment device 7 sets up in the center pin position of shield body 4, the upper end and the main drive 2 fixed connection of center sediment device 7 for receive the dregs of blade disc cutting, duct piece kludge 6 and duct piece loop wheel machine 9 all set up on center sediment device 7, the below of duct piece kludge 6 is equipped with operation platform 8, operation platform 8 and center sediment device 7 fixed connection, during operation, propulsion cylinder 3 constantly promotes main drive and blade disc and upwards impels, with the duct piece handling to the equipment position by duct piece loop wheel machine 9, carry out shaft duct piece assembly by duct piece kludge 6, constructor stands in operation platform 8 supplementary duct piece installation and equipment maintenance etc.. The main drive 2, the propulsion cylinder 3, the duct piece splicing machine 6 and the duct piece crane 9 are all connected with a power control system 11 arranged in the tunnel through pipelines. The operator is located in a main control room 10 in the tunnel to remotely control equipment, and each system is matched with the operation of shaft construction to finish the shaft construction.
Further, the central slag discharging device 7 comprises a slag discharging pipeline 703 and a flexible slag sliding pipe 704, the upper end of the slag discharging pipeline 703 is connected with the main driving device 2, the lower end of the slag discharging pipeline 703 is communicated with the flexible slag sliding pipe 704, the flexible slag sliding pipe 704 corresponds to the transportation trolley 14, and at least one mechanical gate valve 701 and at least one flexible valve 702 are arranged inside the slag discharging pipeline 703. The slag soil enters the flexible slag sliding pipe from the slag discharging pipeline through the mechanical gate valve and the flexible valve, and then slides into the transportation trolley through the flexible slag sliding pipe, the size of the slag discharging channel is controlled by adjusting the mechanical gate valve and the flexible valve, and the slag discharging amount is further controlled.
When the vertical shaft shield machine constructed upwards from the underground is constructed, the vertical shaft is constructed upwards in underground projects such as underground tunnels, comprehensive pipe galleries and the like, and according to the existing projects and stratum conditions, when the existing structure can bear the counterforce of the upward construction of the vertical shaft shield machine, the geological reinforcement can be omitted, otherwise, the geological reinforcement is required, and the existing structure is prevented from being damaged; the upward construction shaft shield machine breaks the segment into a special segment, so that the segment has strength and is easy to cut off by a cutter head. The construction method of the vertical shaft shield machine constructed from underground upwards comprises the steps of large-diameter vertical shaft construction and small-diameter vertical shaft construction; the construction of the large-diameter vertical shaft comprises the following steps: s1: paving a steel-structure foundation frame and an originating duct piece in the tunnel, wherein the originating duct piece is fixedly connected with the steel-structure foundation frame; s2: an initial sealing steel cylinder is arranged at the lower part of the initial vertical shaft, and a sealing structure is arranged between the initial sealing steel cylinders; s3: hoisting the shield machine on the originating pipe piece to enable the cutter disc to be positioned in the steel cylinder well; s4: checking equipment, and starting the shield machine after ensuring safety; s5: the main drive drives the cutterhead to rotate, soil body excavation is carried out, the excavated dregs are conveyed to the transport trolley through the central dregs discharging device, and in the dregs discharging process, the size of a dregs discharging channel is controlled by adjusting a mechanical gate valve and a flexible valve, so that the amount of dregs discharged is controlled; s6: after tunneling a set distance by a cutter head, hoisting the pipe piece to an assembling position by a pipe piece crane, and assembling the pipe piece by a pipe piece assembling machine; s7: the telescopic end of the pushing oil cylinder stretches out, the assembled duct piece is propped up tightly, and the pushing oil cylinder drives the main drive and the cutterhead to tunnel upwards; s8: repeating the steps S5-S7 until the whole shaft construction is completed; s9: the whole shield tunneling machine can be directly adjusted out from the ground, transported, disassembled in a vertical shaft and a tunnel, transported to a designated position through the tunnel and completed in construction. This construction method can be summarized as shield-method shaft construction.
The construction of the small-diameter vertical shaft comprises the following steps: a: paving a steel foundation frame and an originating duct piece in the tunnel, paving a jacking cylinder at the lower part of the originating duct piece, and pushing the originating duct piece to move up and down by the jacking cylinder; b: an initial sealing steel cylinder is arranged at the lower part of the initial vertical shaft, and a sealing structure is arranged between the initial sealing steel cylinders; c: hoisting the shield machine on the originating pipe piece to enable the cutter disc to be positioned in the steel cylinder well; d: checking equipment, and starting the shield machine after ensuring safety; e: the main drive drives the cutterhead to rotate, soil body excavation is carried out, the excavated dregs are conveyed to the transport trolley through the central dregs discharging device, and in the dregs discharging process, the size of a dregs discharging channel is controlled by adjusting a mechanical gate valve and a flexible valve, so that the amount of dregs discharged is controlled; f: after tunneling a set distance by a cutter head, hoisting the pipe piece to an assembling position by a pipe piece crane, assembling the pipe piece by a pipe piece assembling machine, and sequentially assembling the pipe pieces on an initial pipe piece; g: the telescopic end of the jacking cylinder stretches out to push the segment and the shield machine to move upwards simultaneously; h: repeating the steps e-g until the whole shaft construction is completed; i: the whole shield tunneling machine can be directly adjusted out from the ground, transported, disassembled in a vertical shaft and a tunnel, transported to a designated position through the tunnel and completed in construction. The construction method can be summarized as the construction of the vertical shaft by the pipe jacking method.
In the embodiment 2, a vertical shaft shield machine constructed from underground upwards is characterized in that a central slag-soil improvement pipe 5 is vertically arranged in a central slag-soil improvement device 7, the upper end of the central slag-soil improvement pipe 5 penetrates through a main drive 2 to be connected with a cutter head 1, and the lower end of the central slag-soil improvement pipe 5 extends into the central slag-soil improvement device 7. The central dregs improvement pipe 5 comprises a porous pipeline 501 and a rotary joint 502, the upper end of the porous pipeline 501 is connected with the cutter head 1, the lower end of the porous pipeline 501 is communicated with the rotary joint 502, and pipelines of all electric components and hydraulic devices in the shield body are respectively connected with controllers of a power control system and a main control room through the rotary joint, so that the pipelines are prevented from winding in the working process.
Further, the initial duct piece 13 is arranged on a steel structure foundation frame 15, the steel structure foundation frame 15 is arranged at the bottom of the tunnel, the upper surface of the steel structure foundation frame 15 is a plane, the bottom of the steel structure foundation frame 15 is an arc-shaped frame, and the arc-shaped frame is in fit contact with the inner wall of the tunnel. Support is provided for the device and the duct piece, and construction reaction force is transmitted. The transportation trolley 14 is arranged on a steel structure foundation frame 15, a main control room 10 and a power control system 11 are arranged behind the steel structure foundation frame 15, and the main control room 10 is connected with the power control system 11 and is the total control center of the device.
Other structures are the same as in example 1, and the construction method is the same as in example 1.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. A vertical shaft shield machine constructed from underground to upward is characterized in that: including setting up shield body (4) on initial section of jurisdiction (13), shield body (4) vertical setting is in originating shaft, originating shaft's lower part is equipped with originating seal steel drum (12), originating seal steel drum (12) and be equipped with seal structure (1201) between initial section of jurisdiction (13), shield body (4) upper end is equipped with blade disc (1), be equipped with main drive (2) in shield body (4), center sediment device (7), section of jurisdiction kludge (6) and section of jurisdiction loop wheel machine (9), main drive (2) and blade disc (1) fixed connection, main drive (2)'s below is equipped with propulsion cylinder (3), propulsion cylinder (3) are along shield body (4) inner wall fixed setting, center sediment device (7) set up in shield body (4)'s center axle position, center sediment device (7) upper end and main drive (2) fixed connection, section of jurisdiction kludge (6) and loop wheel machine (9) all set up on center device (7), section of jurisdiction kludge (6) below is equipped with operation platform (8), operation platform (8) and propulsion cylinder (3) fixed connection The duct piece splicing machine (6) and the duct piece crane (9) are connected with a power control system (11) arranged in the tunnel through pipelines.
2. The shield machine for a shaft constructed from underground upward according to claim 1, wherein: the inside of the central slag discharging device (7) is vertically provided with a central slag soil improvement pipe (5), the upper end of the central slag soil improvement pipe (5) penetrates through the main drive (2) to be connected with the cutterhead (1), and the lower end of the central slag soil improvement pipe (5) stretches into the central slag discharging device (7).
3. The shield machine for a shaft constructed from underground upward according to claim 2, wherein: the central muck improvement pipe (5) comprises a porous pipeline (501) and a rotary joint (502), the upper end of the porous pipeline (501) is connected with the cutterhead (1), and the lower end of the porous pipeline (501) is communicated with the rotary joint (502).
4. The shield machine for a shaft constructed from underground upward according to claim 1, wherein: the central slag discharging device (7) comprises a slag discharging pipeline (703) and a flexible slag sliding pipe (704), the upper end of the slag discharging pipeline (703) is connected with the main drive (2), the lower end of the slag discharging pipeline (703) is communicated with the flexible slag sliding pipe (704), the flexible slag sliding pipe (704) corresponds to the transport trolley (14), and at least one mechanical gate valve (701) and at least one flexible valve (702) are arranged in the slag discharging pipeline (703).
5. The shield tunneling machine for underground upward construction according to claim 4, wherein: the initial duct piece (13) is arranged on a steel structure foundation frame (15), the steel structure foundation frame (15) is arranged at the bottom of a tunnel, the upper surface of the steel structure foundation frame (15) is a plane, the bottom of the steel structure foundation frame (15) is an arc-shaped frame, and the arc-shaped frame is in fit contact with the inner wall of the tunnel.
6. The shield tunneling machine for underground upward construction according to claim 5, wherein: the transportation trolley (14) is arranged on a steel structure foundation frame (15), a main control room (10) and a power control system (11) are arranged at the rear of the steel structure foundation frame (15), and the main control room (10) is connected with the power control system (11).
7. The construction method of the shaft shield machine for constructing from underground upwards according to claim 1, wherein: the construction method comprises the steps of large-diameter shaft construction and small-diameter shaft construction; the construction of the large-diameter vertical shaft comprises the following steps: s1: paving a steel-structure foundation frame and an originating duct piece in the tunnel, wherein the originating duct piece is fixedly connected with the steel-structure foundation frame; s2: an initial sealing steel cylinder is arranged at the lower part of the initial vertical shaft, and a sealing structure is arranged between the initial sealing steel cylinders; s3: hoisting the shield machine on the originating pipe piece to enable the cutter disc to be positioned in the steel cylinder well; s4: checking equipment, and starting the shield machine after ensuring safety; s5: the main drive drives the cutterhead to rotate, soil body excavation is carried out, the excavated dregs are conveyed to the transport trolley through the central dregs discharging device, and in the dregs discharging process, the size of a dregs discharging channel is controlled by adjusting a mechanical gate valve and a flexible valve, so that the amount of dregs discharged is controlled; s6: after tunneling a set distance by a cutter head, hoisting the pipe piece to an assembling position by a pipe piece crane, and assembling the pipe piece by a pipe piece assembling machine; s7: the telescopic end of the pushing oil cylinder stretches out, the assembled duct piece is propped up tightly, and the pushing oil cylinder drives the main drive and the cutterhead to tunnel upwards; s8: repeating the steps S5-S7 until the whole shaft construction is completed; s9: the whole shield tunneling machine can be directly adjusted out from the ground, transported, disassembled in a vertical shaft and a tunnel, transported to a designated position through the tunnel and completed in construction.
8. The construction method of the shaft shield machine for constructing from underground upward according to claim 7, wherein: the construction of the small-diameter vertical shaft comprises the following steps: a: paving a steel foundation frame and an originating duct piece in the tunnel, paving a jacking cylinder at the lower part of the originating duct piece, and pushing the originating duct piece to move up and down by the jacking cylinder; b: an initial sealing steel cylinder is arranged at the lower part of the initial vertical shaft, and a sealing structure is arranged between the initial sealing steel cylinders; c: hoisting the shield machine on the originating pipe piece to enable the cutter disc to be positioned in the steel cylinder well; d: checking equipment, and starting the shield machine after ensuring safety; e: the main drive drives the cutterhead to rotate, soil body excavation is carried out, the excavated dregs are conveyed to the transport trolley through the central dregs discharging device, and in the dregs discharging process, the size of a dregs discharging channel is controlled by adjusting a mechanical gate valve and a flexible valve, so that the amount of dregs discharged is controlled; f: after tunneling a set distance by a cutter head, hoisting the pipe piece to an assembling position by a pipe piece crane, assembling the pipe piece by a pipe piece assembling machine, and sequentially assembling the pipe pieces on an initial pipe piece; g: the telescopic end of the jacking cylinder stretches out to push the segment and the shield machine to move upwards simultaneously; h: repeating the steps e-g until the whole shaft construction is completed; i: the whole shield tunneling machine can be directly adjusted out from the ground, transported, disassembled in a vertical shaft and a tunnel, transported to a designated position through the tunnel and completed in construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695174.2A CN108691550B (en) | 2018-06-29 | 2018-06-29 | Vertical shaft shield machine for underground upward construction and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810695174.2A CN108691550B (en) | 2018-06-29 | 2018-06-29 | Vertical shaft shield machine for underground upward construction and construction method thereof |
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| CN108691550A CN108691550A (en) | 2018-10-23 |
| CN108691550B true CN108691550B (en) | 2023-06-13 |
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| CN201810695174.2A Active CN108691550B (en) | 2018-06-29 | 2018-06-29 | Vertical shaft shield machine for underground upward construction and construction method thereof |
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| CN109854256B (en) * | 2019-01-14 | 2020-05-15 | 中铁工程装备集团有限公司 | Primary and secondary shield tunneling machine construction method |
| CN109949690A (en) * | 2019-03-28 | 2019-06-28 | 广州市市政工程设计研究总院有限公司 | A kind of shield vertical shaft vertically jacks model test apparatus and method |
| CN109763827B (en) * | 2019-03-29 | 2019-12-10 | 中山大学 | Shaft shield construction method and shaft shield machine |
| CN110700838A (en) * | 2019-11-28 | 2020-01-17 | 中国铁建重工集团股份有限公司 | Vertical shaft construction method and system from bottom to top |
| CN111794754B (en) * | 2020-07-21 | 2022-03-04 | 中铁工程装备集团有限公司 | Pipe piece assembled derrick and construction method thereof |
| CN113216973B (en) * | 2021-04-23 | 2022-07-19 | 中铁工程装备集团有限公司 | From top pushing-type shaft heading equipment down |
| CN113250698B (en) * | 2021-06-10 | 2021-10-01 | 中国铁建重工集团股份有限公司 | Full-face tunneling machine for super-large-diameter vertical shaft and construction method thereof |
| CN113622929A (en) * | 2021-08-25 | 2021-11-09 | 中国铁建重工集团股份有限公司 | Segment breaking device, and connection channel construction system and method |
| CN114278326B (en) * | 2021-12-27 | 2024-02-20 | 上海市机械施工集团有限公司 | Truss type vertical shield machine and shaft construction method |
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| CN101725356A (en) * | 2008-10-15 | 2010-06-09 | 深圳市海川实业股份有限公司 | Space enclosing structure of underground building shaft and shield machine cutting construction method thereof |
| CN202531156U (en) * | 2012-01-18 | 2012-11-14 | 中国石油天然气集团公司 | X-ray rapid detecting system for vertical shaft pipeline |
| CN103452559B (en) * | 2013-09-16 | 2016-03-09 | 中铁工程装备集团有限公司 | Vertical shaft shield machine |
| CN103899316B (en) * | 2014-03-21 | 2016-06-08 | 中铁工程装备集团有限公司 | Shaft drilling method shaft drilling machine |
| CN105649632A (en) * | 2016-03-30 | 2016-06-08 | 中国铁建重工集团有限公司 | Vertical shaft heading machine and tool bit assembly thereof |
| CN106761764B (en) * | 2016-12-27 | 2020-03-10 | 山河智能装备股份有限公司 | Simple shield device and shield method for ultra-large-diameter deep shaft |
| CN107461197B (en) * | 2017-09-30 | 2023-04-25 | 中铁工程装备集团有限公司 | Shaft heading machine adopting open caisson method and construction method of shaft heading machine |
| CN208441846U (en) * | 2018-06-29 | 2019-01-29 | 中铁工程装备集团有限公司 | A kind of vertical shaft shield machine constructed upwards by underground |
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2018
- 2018-06-29 CN CN201810695174.2A patent/CN108691550B/en active Active
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