CN111794759A - TBM for drainage gallery of pumped storage power station and construction method thereof - Google Patents

TBM for drainage gallery of pumped storage power station and construction method thereof Download PDF

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Publication number
CN111794759A
CN111794759A CN202010534090.8A CN202010534090A CN111794759A CN 111794759 A CN111794759 A CN 111794759A CN 202010534090 A CN202010534090 A CN 202010534090A CN 111794759 A CN111794759 A CN 111794759A
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CN
China
Prior art keywords
tbm
shield
bracket
power station
storage power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010534090.8A
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Chinese (zh)
Inventor
李富春
蒲晓波
徐艳群
李坤
施云龙
刘传军
陶仁太
游青松
陈良武
马琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Wendeng Pumped Storage Co ltd
China Railway Engineering Equipment Group Technology Service Co Ltd
Original Assignee
Shandong Wendeng Pumped Storage Co ltd
China Railway Engineering Equipment Group Technology Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Wendeng Pumped Storage Co ltd, China Railway Engineering Equipment Group Technology Service Co Ltd filed Critical Shandong Wendeng Pumped Storage Co ltd
Priority to CN202010534090.8A priority Critical patent/CN111794759A/en
Publication of CN111794759A publication Critical patent/CN111794759A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0621—Shield advancing devices
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/06—Transport of mined material at or adjacent to the working face

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Abstract

The invention relates to the technical field of tunnel construction, in particular to a TBM for a drainage corridor of a pumped storage power station, which comprises a TBM host, a belt conveyor, a TBM rear support and a bracket, wherein the TBM host comprises a front shield, a propulsion oil cylinder and a support shield, a finger-shaped shield is arranged at the upper part of the rear end of the front shield, the front end of the propulsion oil cylinder is connected with the rear part of a main driving box body, the rear end of the propulsion oil cylinder is connected with a front panel of the support shield, the front shield comprises a front shield upper shield body connected onto the main driving box body through a telescopic oil cylinder and a front shield lower shield body connected with the main driving box body, and a shoe support system is arranged in the support shield; the belt conveyor is used for conveying the muck to the muck conveying assembly; the bracket comprises a starting bracket arranged in the assembling hole and a receiving bracket arranged in the receiving hole, and the starting bracket and the receiving bracket are both provided with pushing oil cylinders. A construction method of a water pumping and energy storage power station drainage gallery is used for construction by the TBM. The invention has reasonable and compact structure, strong turning capability, stable construction and high efficiency, and can reduce the construction risk.

Description

TBM for drainage gallery of pumped storage power station and construction method thereof
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a TBM for a drainage gallery of a pumped storage power station and a construction method thereof.
Background
Under general conditions, the drainage gallery of the pumped storage power station is a tunnel with a small hole diameter and a small curve radius, the tunnel is short in length, small in curvature radius and large in construction and excavation difficulty. The traditional drainage gallery construction is carried out by adopting a mode of reinforcing the stratum and manually perforating and blasting, has the characteristics of complex approval procedures, high safety risk, low construction efficiency, high cost and the like, and needs to find safe, reliable and economic mechanized and intelligent equipment to complete the drainage gallery construction.
The TBM (rock tunnel boring machine) is a highly mechanized and automated excavation supporting complete equipment which integrates the technologies of machinery, electronics, hydraulic pressure, laser, control and the like by adopting a shield method. The TBM technology adopts a hob cutter to cut rock without explosive blasting, adopts automatic control for all, has faster engineering progress, and is a construction technology which can reduce engineering pollution and greatly save engineering investment.
The TBM equipment is self-integrated complex equipment of machine, electricity and liquid, has large structural volume and needs a proper starting base when in starting and receiving. The open TBM performs tunneling and step-changing operations by means of a supporting boot, a shield and a rear support; the shield type TBM depends on the pipe piece to carry out step-changing tunneling operation. The open type and shield type TBM are limited by the structure and the step changing mode, the turning capability is weak, and the small curve turning tunneling construction of the drainage gallery is difficult to realize.
Disclosure of Invention
The invention aims to solve the problems and the defects, and provides the TBM for the drainage gallery of the pumped storage power station and the construction method thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a TBM for a drainage corridor of a pumped storage power station comprises a TBM host, a belt conveyor, a TBM rear support and a bracket, wherein the TBM host comprises a cutter head, a front shield, a propulsion oil cylinder and a support shield, a main drive and a slag collecting hopper are arranged in the front shield, a finger-shaped shield is arranged at the upper part of the rear end of the front shield, the front end of the propulsion oil cylinder is connected with the rear part of a main drive box body, the rear end of the propulsion oil cylinder is connected with a front panel of the support shield, the front shield comprises a front shield upper shield body and a front shield lower shield body, the front shield upper shield body is connected to the upper part of the main drive box body through a telescopic oil cylinder, the front shield lower shield body is connected with the main drive box body together, the front shield upper shield body can move up and down relative to the main drive box body, a supporting shoe system is arranged in the support shield, and the supporting shoe system; the belt conveyor is used for conveying the muck to the muck conveying assembly; the rear part of the TBM main machine is connected with the rear part of the TBM in a matching way, and the rear part of the TBM in a matching way comprises a multi-section pulley; the bracket comprises a starting bracket arranged in the assembling hole and a receiving bracket arranged in the receiving hole, wherein both the starting bracket and the receiving bracket are provided with pushing oil cylinders, and the pushing oil cylinders are used for pushing the TBM host machine to move on the bracket.
Further, in the TBM for the drainage gallery of the pumped storage power station, the thrust oil cylinders are divided into four groups, namely an upper group, a lower group, a left group and a right group, each group is assembled by two oil cylinders, and the opening of each group of oil cylinders is backwards arranged in a V shape.
Further, in the TBM for the drainage gallery of the pumped storage power station, the belt conveyor is an integrated belt conveyor, and the integrated belt conveyor penetrates through the head and the tail of TBM equipment.
Further, in the above TBM for the drainage corridor of the pumped storage power station, the originating tray and the receiving tray are the same device.
Further, in foretell pumped storage power station TBM for corridor, the sediment fill is located the blade disc inside, and fixed mounting is at the front end face of main drive box, the blade disc is panel-type blade disc, and the inside swift current sediment board that disposes of blade disc.
Furthermore, in the TBM for the pumped storage power station drainage corridor, each pulley matched behind the TBM is divided into an upper layer and a lower layer, TBM matching equipment is arranged on a platform at the lower part of the pulley, a belt conveyor and a pipeline are arranged at the upper part of the pulley, a steel pipe is matched at the bottom of the pulley, and the pulley is pulled by a host to slide on the ground to advance.
Further, in the TBM for the drainage gallery of the pumped storage power station, the muck transportation assembly comprises a shuttle-type mine car, a slag transferring belt conveyor and an earthwork vehicle, and the shuttle-type mine car adopts a side slag discharging mode.
A construction method of a drainage corridor of a pumped storage power station adopts any one of the TBMs for construction of the drainage corridor of the pumped storage power station, and comprises the following steps:
(1) assembling and debugging: after the TBM is transported to the underground, equipment assembly is carried out on the starting bracket, after the equipment assembly and debugging are finished, the equipment is pushed into a starting cavern by a pushing oil cylinder to start tunneling operation, and after a host enters the cavern, a muck transporting assembly is arranged outside the cavern;
(2) tunneling and deslagging: after entering a starting tunnel cave and having construction conditions, starting tunneling, carrying out excavation operation of the tunnel cave, transferring slag stones conveyed by a belt conveyor to an earthwork vehicle through a shuttle mine car and a slag transferring belt conveyor, and transporting the slag stones out of the tunnel by the earthwork vehicle;
(3) and (3) station crossing: after the TBM tunneling section is finished, the tunnel is opened, the cutter head, the front shield, the main drive and the slag collecting hopper are pushed to the receiving bracket by the pushing oil cylinder, and the pushing oil cylinder on the receiving bracket pushes the TBM host machine into the starting chamber of the next tunneling section for tunneling;
(4) receiving: and after the mileage tunneling of the TBM tunnel is finished, the tunnel is taken out, the machine is disassembled on the receiving bracket and the tunnel chamber is pulled out by the tractor, so that the tunneling of a drainage gallery is finished.
Further, in the construction method of the drainage gallery of the pumped storage power station, in the step (3), when the support shield is not in the hole, the pushing cylinder on the receiving bracket pushes the front shield to move the TBM; after the front shield enters the tunnel, the pushing oil cylinder pushes the support shield to move the TBM.
Further, in the construction method of the drainage corridor of the pumped storage power station, the originating bracket needs to be removed after the TBM enters the hole, and the receiving bracket needs to be removed after the TBM is removed.
The TBM for the drainage gallery of the pumped storage power station and the construction method thereof have the beneficial effects that:
the TBM for the drainage gallery of the pumped storage power station adopts the structural design of a tailless shield, an auxiliary push-free oil cylinder and a semi-telescopic shield, has compact and reasonable structural design, and has short host length compared with the existing double-shield type; compared with an open type machine type, the front shield and the support shield are connected by adopting a ball-head oil cylinder, so that the flexibility is enhanced, and the turning capability is enhanced;
the TBM for the drainage corridor of the pumped storage power station provides stable counter-force support for the forward movement of the TBM during the step changing process through the structural design of the telescopic oil cylinder, the upper shield body and the lower shield body of the front shield;
the TBM for the drainage gallery of the pumped storage power station adopts the integrated belt conveyor, has the advantages of small number of parts, simple maintenance, no slag hole lap joint, compact structure and space saving;
the starting bracket is arranged in the assembling hole in the front of the starting hole, and the assembled host is pushed into the starting hole chamber through the pushing oil cylinder, so that the limited space can be effectively utilized, and the assembly operation can be carried out orderly;
the TBM for the drainage gallery of the pumped storage power station can realize automatic mechanical excavation, the non-broken geological drainage gallery can be formed in one step, secondary lining and bottom backfilling are not needed, the labor intensity is greatly reduced, the energy consumption is reduced, the cost is saved, meanwhile, the equipment construction is stable, the efficiency is high, the stratum disturbance is effectively controlled, and the construction risk is reduced.
Drawings
Fig. 1 is a schematic overall structural diagram of a TBM for a pumped storage power station drainage corridor according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a TBM host.
Fig. 3 is a schematic sectional structure view a-a of fig. 2.
Fig. 4 is a schematic sectional structure view of B-B of fig. 2.
Fig. 5 is a schematic cross-sectional structure view of C-C of fig. 2.
Fig. 6 is a schematic structural diagram of the tapping location of the TBM for the pumped storage power station drain corridor according to an embodiment of the present invention.
Fig. 7 is a schematic sectional view of the structure of fig. 6D-D.
Fig. 8 is a perspective view illustrating a bracket according to an embodiment of the present invention.
In the figure: the device comprises a TBM host machine 1, a main driving box 11, a slag collecting hopper 12, a cutter head 13, a front shield 14, a telescopic oil cylinder 141, an upper front shield body 142, a lower front shield body 143, a 15-type protective shield, a propulsion oil cylinder 16, a support shield 17, a shoe supporting system 18, a shoe supporting system 181, a shoe supporting cylinder 182, a driving motor 19, a TBM rear matching system 2, an integrated belt conveyor 3, a bracket 4, a muck conveying assembly 5, a shuttle car 51, a slag turning belt conveyor 52, an earthwork vehicle 53, a starting hole 6, an assembly hole 7, a rail 8 and a traffic hole 9.
Detailed Description
The TBM for the drainage corridor of the pumped storage power station and the construction method thereof according to the present invention will be described in more detail 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. 1-8, the embodiment discloses a TBM for a drainage corridor of a pumped storage power station, which comprises a TBM host, a belt conveyor, a TBM rear support and a bracket, wherein the TBM host comprises a cutter head, the front shield comprises a front shield upper shield body connected to the upper part of the main driving box body through a telescopic oil cylinder and a front shield lower shield body connected with the main driving box body, the front shield upper shield body can move up and down relative to the main driving box body, a supporting shoe system is arranged inside the supporting shield, the supporting shoe system comprises supporting shoes and supporting shoe oil cylinders for driving the supporting shoes to move, the supporting shoe oil cylinders extend out, and the supporting shoe panels can support and tightly press the wall of the hole; the belt conveyor is arranged below the slag collecting hopper and is used for conveying slag to the slag conveying assembly; the rear part of the TBM main machine is connected with the rear part of the TBM main machine in a matching way, and the rear part of the TBM main machine comprises a multi-section pulley; the bracket comprises an originating bracket arranged in an assembly hole and a receiving bracket arranged in a receiving hole, in the embodiment, the assembly hole is positioned in front of the originating hole, the receiving hole is positioned at the intersection position of a traffic hole and a tunneling tunnel, the originating bracket and the receiving bracket are both provided with tracks, the originating bracket and the receiving bracket are both provided with a pushing oil cylinder and an auxiliary pump station, the pushing oil cylinder is connected with the auxiliary pump station and used for pushing a TBM host to move on the bracket, and the originating bracket and the receiving bracket are formed by connecting multiple sections and used for equipment assembly and receiving.
In this embodiment, preferably, the thrust cylinders are divided into four groups, i.e., an upper group, a lower group, a left group and a right group, each group is assembled by two cylinders, and an opening of each group is arranged backwards in a V shape. The front shield and the support shield in the TBM equipment are connected by adopting the ball-head oil cylinder, and compared with an open type machine type, the flexibility is enhanced, and the turning capability is enhanced.
In this embodiment, preferably, the belt conveyor is an integrated belt conveyor, the integrated belt conveyor runs through the TBM equipment from head to tail, a front end and tail roller of the integrated belt conveyor is located in the cutter head and below the slag collecting hopper, and a rear end driving roller is located at the tail of the pulley and extends out of the pulley. Compared with the belt conveyor which is divided into two sections on the existing TBM equipment, the belt conveyor has the advantages of less parts, simple maintenance, no slag notch overlapping, compact structure and space saving.
In this embodiment, the originating bracket and the receiving bracket are preferably the same device, which can be recycled, reducing the manufacturing and construction costs.
In this embodiment, specifically, the slag collecting hopper is located inside the cutter head, and is fixedly mounted on the front end face of the main drive box, the cutter head is a panel cutter head, a disc-shaped hob is configured for cutting rock, a chute is configured inside the cutter head, and the rock crushed by the hob enters the slag collecting hopper through the chute and falls to the belt conveyor to be conveyed backwards.
In the embodiment, each pulley matched behind the TBM is divided into an upper layer and a lower layer, TBM matching equipment is arranged on a platform at the lower part of the pulley, a belt conveyor and a pipeline are arranged at the upper part of the pulley, a steel pipe is matched at the bottom of the pulley, and the pulley is pulled by a main machine to slide on the ground to advance.
In this embodiment, preferably, the dregs transportation subassembly contains shuttle car, changes sediment belt feeder and earthwork car, and the shuttle car adopts the lateral part mode of slagging tap, and the convenient and fast that slags tap.
The embodiment also discloses a construction method of the pumped storage power station drainage gallery, which adopts the TBM for the pumped storage power station drainage gallery to carry out construction and comprises the following steps:
(1) assembling and debugging: after the TBM is transported to the underground, equipment assembly is carried out on an initial bracket, after equipment assembly and debugging are finished, a pushing oil cylinder pushes the TBM to enter an initial grotto and start tunneling operation, and after a host enters the hole, a slag tapping track and a slag soil transportation assembly are arranged outside the hole and used for system slag tapping;
(2) tunneling and deslagging: the TBM starts to tunnel after entering a starting tunnel cavern and having construction conditions, the excavation operation of the cavern is carried out, the slag conveyed by the belt conveyor is transferred to an earthwork vehicle through a shuttle mine car and a slag transferring belt conveyor, and the earthwork vehicle is used for transporting the slag out of the tunnel, and the specific operation flow is as follows:
a supporting shoe oil cylinder of the supporting shoe system extends out to enable the supporting shoe to tightly support the wall of the hole, a driving motor of a main drive drives a cutter head to rotate, a propulsion oil cylinder extends out to push a front shield, a finger-type protective shield, the cutter head, the main drive and a slag collecting hopper to move forwards, the cutter head rotates to cut broken rocks, slag soil is scraped by the cutter head and falls into the slag collecting hopper and is transported to a shuttle-type mine car by an integrated belt conveyor, the shuttle-type mine car transports the slag soil to a slag belt conveyor and further transports the slag belt conveyor to a earthwork vehicle, and a TBM rear sleeve is matched with the TBM to provide power in the tunneling process;
in the tunneling process, the TBM adjusts the direction to realize turning by adjusting the stroke difference of the grouped cylinders of the propulsion cylinder, for example, when turning left, the stroke of the right side cylinder minus the stroke of the left side cylinder is a positive value, and when turning right, the stroke of the right side cylinder is a negative value. When the heading is carried out, the stroke of the lower propelling oil cylinder and the stroke of the upper oil cylinder are reduced to positive values;
after the propelling oil cylinder extends out of a set length, the step changing operation is started, the telescopic oil cylinder extends out to enable the upper shield body and the lower shield body of the front shield to tightly press the wall of the hole, the shoe supporting oil cylinder is recovered to drive the shoe supporting to be recovered, and the propelling oil cylinder is recovered to drive the support shield, the shoe supporting system and the rear matching to move forwards together;
after the stroke of the propelling oil cylinder is recovered, a shoe supporting oil cylinder of the shoe supporting system extends out to enable the shoe supporting to tightly support the wall of the hole, and a telescopic oil cylinder is recovered to enable the shield body on the front shield not to tightly press the wall of the hole;
and (5) after the step is changed, starting a new-stroke tunneling operation, and repeating the tunneling and step changing operations until the tunneling is completed.
(3) And (3) station crossing: after the TBM tunneling section is finished, the tunnel is opened, the cutter head, the front shield, the main drive and the slag collecting hopper are pushed to the receiving bracket by the pushing oil cylinder, and the pushing oil cylinder on the receiving bracket pushes the TBM host machine into the starting chamber of the next tunneling section for tunneling;
(4) receiving: and after the mileage tunneling of the TBM tunnel is finished, the tunnel is taken out, the machine is disassembled on the receiving bracket and the tunnel chamber is pulled out by the tractor, so that the tunneling of a drainage gallery is finished.
In this embodiment, specifically, in the step (3), when the support shield does not exit the tunnel, the pushing cylinder on the receiving bracket pushes the front shield to move the TBM; after the front shield enters the tunnel, the pushing oil cylinder pushes the support shield to move the TBM.
In this embodiment, specifically, the initiating cradle needs to be removed after the TBM enters the hole, and the receiving cradle needs to be removed after the TBM is dismantled.
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 (10)

1. The utility model provides a TBM for pumped storage power station drainage corridor which characterized in that includes:
the TBM host comprises a cutter head, a front shield, a propulsion oil cylinder and a support shield, wherein a main drive and a slag collecting hopper are arranged in the front shield, a finger-shaped protective shield is arranged at the upper part of the rear end of the front shield, the front end of the propulsion oil cylinder is connected with the rear part of a main drive box body, the rear end of the propulsion oil cylinder is connected with a front panel of the support shield, the front shield comprises a front shield upper shield body and a front shield lower shield body, the front shield upper shield body is connected with the upper part of the main drive box body through a telescopic oil cylinder, the front shield lower shield body is connected with the main drive box body, the front shield upper shield body can move up and down relative to the main drive box body, a shoe supporting system is arranged in the support shield, and the shoe supporting system comprises a supporting shoe and;
a belt conveyor for conveying the muck to the muck transport assembly;
the TBM rear matching device is connected to the rear part of the TBM main machine and comprises a multi-section pulley; and
the bracket comprises a starting bracket arranged in the assembling hole and a receiving bracket arranged in the receiving hole, wherein both the starting bracket and the receiving bracket are provided with jacking oil cylinders, and the jacking oil cylinders are used for jacking the TBM host machine to move on the bracket.
2. The TBM for the drainage corridor of the pumped storage power station according to claim 1, wherein the thrust cylinders are divided into four groups, namely an upper group, a lower group, a left group and a right group, each group is assembled by two cylinders, and each group is backwards arranged in a V shape.
3. The TBM for the pumped-storage power station drainage corridor of claim 1, wherein the belt conveyor is an integrated belt conveyor which extends through the TBM equipment end-to-end.
4. The TBM for the pumped-storage power station drain corridor of claim 1, wherein the origination bracket and the receiving bracket are the same device.
5. The TBM for the drainage corridor of the pumped storage power station according to claim 1, wherein the slag collecting hopper is positioned inside a cutter head and is fixedly installed on the front end surface of the main driving box body, the cutter head is a panel-type cutter head, and a slag chute is arranged inside the cutter head.
6. The TBM for the drainage corridor of the pumped storage power station as claimed in claim 1, wherein each trolley matched behind the TBM is divided into an upper layer and a lower layer, TBM matched equipment is arranged on a lower platform of the trolley, a belt conveyor and a pipeline are arranged on the upper part of the trolley, and a steel pipe is matched at the bottom of the trolley and is pulled by a main machine to slide on the ground.
7. The TBM for the drainage corridor of the pumped storage power station according to claim 1, wherein the muck transportation assembly comprises a shuttle car, a slag belt conveyor and an earthwork vehicle, and the shuttle car adopts a side deslagging mode.
8. A construction method of a drainage corridor of a pumped storage power station, which is characterized in that the drainage corridor of the pumped storage power station is constructed by the TBM according to any one of claims 1 to 7, and comprises the following steps:
(1) assembling and debugging: after the TBM is transported to the underground, equipment assembly is carried out on the starting bracket, after the equipment assembly and debugging are finished, the equipment is pushed into a starting cavern by a pushing oil cylinder to start tunneling operation, and after a host enters the cavern, a muck transporting assembly is arranged outside the cavern;
(2) tunneling and deslagging: after entering a starting tunnel cave and having construction conditions, starting tunneling, carrying out excavation operation of the tunnel cave, transferring slag stones conveyed by a belt conveyor to an earthwork vehicle through a shuttle mine car and a slag transferring belt conveyor, and transporting the slag stones out of the tunnel by the earthwork vehicle;
(3) and (3) station crossing: after the TBM tunneling section is finished, the tunnel is opened, the cutter head, the front shield, the main drive and the slag collecting hopper are pushed to the receiving bracket by the pushing oil cylinder, and the pushing oil cylinder on the receiving bracket pushes the TBM host machine into the starting chamber of the next tunneling section for tunneling;
(4) receiving: and after the mileage tunneling of the TBM tunnel is finished, the tunnel is taken out, the machine is disassembled on the receiving bracket and the tunnel chamber is pulled out by the tractor, so that the tunneling of a drainage gallery is finished.
9. The method for constructing the drainage corridor of the pumped storage power station as claimed in claim 8, wherein in the step (3), when the support shield is not excavated, the jacking cylinder on the receiving bracket jacks the front shield to move the TBM; after the front shield enters the tunnel, the pushing oil cylinder pushes the support shield to move the TBM.
10. The method for constructing the drainage corridor of the pumped storage power station of claim 8, wherein the originating bracket is removed after the TBM enters the hole, and the receiving bracket is removed after the TBM is removed.
CN202010534090.8A 2020-06-12 2020-06-12 TBM for drainage gallery of pumped storage power station and construction method thereof Pending CN111794759A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010534090.8A CN111794759A (en) 2020-06-12 2020-06-12 TBM for drainage gallery of pumped storage power station and construction method thereof

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Application Number Priority Date Filing Date Title
CN202010534090.8A CN111794759A (en) 2020-06-12 2020-06-12 TBM for drainage gallery of pumped storage power station and construction method thereof

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Publication Number Publication Date
CN111794759A true CN111794759A (en) 2020-10-20

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Application Number Title Priority Date Filing Date
CN202010534090.8A Pending CN111794759A (en) 2020-06-12 2020-06-12 TBM for drainage gallery of pumped storage power station and construction method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113073986A (en) * 2021-04-07 2021-07-06 中铁工程装备集团有限公司 TBM (Tunnel boring machine) and method suitable for pumped storage power station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113073986A (en) * 2021-04-07 2021-07-06 中铁工程装备集团有限公司 TBM (Tunnel boring machine) and method suitable for pumped storage power station

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