CN112360474A - Inclined shaft and open cut tunnel rapid conversion device, TBM (tunnel boring machine) and construction method - Google Patents
Inclined shaft and open cut tunnel rapid conversion device, TBM (tunnel boring machine) and construction method Download PDFInfo
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- CN112360474A CN112360474A CN202011472591.4A CN202011472591A CN112360474A CN 112360474 A CN112360474 A CN 112360474A CN 202011472591 A CN202011472591 A CN 202011472591A CN 112360474 A CN112360474 A CN 112360474A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 64
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 72
- 230000005641 tunneling Effects 0.000 claims abstract description 32
- 239000002893 slag Substances 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 230000032258 transport Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 10
- 239000003921 oil Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/02—Driving inclined tunnels or galleries
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
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- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a rapid conversion device for an inclined shaft and a flat tunnel, a TBM (tunnel boring machine) and a construction method. Under the auxiliary action of the hoisting mechanism of the device for quickly converting the inclined shaft and the open cut tunnel, the swing supporting mechanism becomes a bridge between the inclined shaft and the open cut tunnel to realize the quick conversion of the TBM tunneling machine from the inclined shaft to the open cut tunnel, improve the tunneling efficiency and reduce the equipment investment.
Description
Technical Field
The invention relates to the technical field of inclined shaft tunnel excavation, in particular to an inclined shaft and open cut rapid conversion device, a TBM (tunnel boring machine) and a construction method.
Background
The TBM hard rock tunnel boring machine is a special engineering machine for tunnel boring, has the functions of excavating and cutting soil bodies, conveying mud residues, assembling tunnel linings and the like, and is widely used for tunnel engineering of subways, railways, highways, municipal works, hydropower and the like. The conventional TBM heading machine is suitable for the open cut construction with the gradient of +/-5 percent, and no large-gradient inclined shaft TBM application case exists in China. A diversion inclined shaft in the pumped storage power station is generally communicated with an upper horizontal tunnel, and if a TBM construction method is adopted for construction, the diversion inclined shaft needs an inclined shaft TBM and is suitable for construction of a tunnel with large gradient; the open cut tunnel needs another conventional TBM for construction, and the transportation of one TBM is not described too much. How to use a TBM to continuously construct an inclined shaft and a horizontal tunnel, equipment investment is reduced, and the realization of the rapid conversion between the inclined shaft and the horizontal tunnel is still the key point of inclined shaft excavation research.
Disclosure of Invention
Aiming at the defects in the background technology, the invention provides a rapid conversion device for an inclined shaft and a flat tunnel, a TBM (tunnel boring machine) and a construction method, which are used for solving the technical problems.
The technical scheme of the invention is realized as follows: a device for quickly converting an inclined shaft into a horizontal tunnel comprises a hoisting mechanism arranged in a conversion tunnel chamber at the intersection of the inclined shaft and the horizontal tunnel, wherein a swinging support mechanism and a dragging mechanism are arranged at the lower part of the conversion tunnel chamber, and the swinging support mechanism is arranged at the intersection of the inclined shaft and the horizontal tunnel and corresponds to the dragging mechanism.
Preferably, the hoisting mechanism comprises a horizontal guide rail arranged in the conversion cavern, and a crane is arranged on the horizontal guide rail. The swing supporting mechanism comprises a rotating support arranged at the intersection of the inclined shaft and the bottom surface of the open cut, a rotating stepping frame is hinged to the rotating support, and a supporting frame is detachably arranged on the rotating stepping frame.
In the using process, the rotating stepping frame is in smooth butt joint with the dragging mechanism when in a horizontal state; and when the rotating stepping frame is in an extreme inclined state, the rotating stepping frame is smoothly butted with a fixed stepping frame arranged in an inclined well. The dragging mechanism comprises a horizontal stepping frame arranged at the bottom of the tunnel, and a dragging oil cylinder is arranged on the horizontal stepping frame.
A TBM tunneling machine capable of rapidly switching between an inclined shaft and a flat tunnel is matched with a rapid switching device to complete transition switching from the inclined shaft to the flat tunnel. The TBM heading machine comprises a TBM main machine and a rear support, wherein when the TBM heading machine is heading in an inclined shaft, a safety anti-slip device is arranged between the TBM main machine and the rear support. The rapid conversion device is used for sequentially transferring the TBM host, the safety anti-slip device and the rear support.
The TBM host computer includes blade disc, main drive and advancing system, and the blade disc is connected with the main drive, is equipped with central slag notch, bottom slag notch and side slag notch on the blade disc, all is equipped with the shutoff gate in central slag notch, bottom slag notch and the side slag notch and all is connected with corresponding slag tapping system.
Preferably, the safety anti-slip device comprises a supporting trolley, wherein a telescopic arm is arranged on the supporting trolley, a shoe supporting plate is arranged at the free end of the telescopic arm, and a connecting oil cylinder connected with the TBM main machine is arranged at the front end of the supporting trolley.
A construction method for rapidly converting the inclined shaft and the open cut tunnel into the TBM tunneling machine comprises the following steps:
s1: opening a conversion cavern: a conversion cavern is arranged at the intersection of the inclined shaft and the horizontal tunnel; a hoisting mechanism, a swinging support mechanism and a dragging mechanism are arranged in the conversion cavern;
s2: the TBM host is from a slant well to a conversion chamber: the rotary stepping frame of the swing supporting mechanism is in a limit inclined state, the TBM host moves to a preset position of the rotary stepping frame, the connection between the TBM host and the safety anti-slip device is disconnected, the lifting mechanism in the conversion chamber drives the rotary stepping frame to rotate, the rotary stepping frame is rotated from the limit inclined state to a horizontal state, and the TBM host is conveyed into the conversion chamber from the inclined shaft;
s3: the TBM host is from a conversion chamber to a tunnel: a dragging oil cylinder of the dragging mechanism is connected with a TBM host machine, and the TBM host machine is dragged to a horizontal stepping frame from a rotating stepping frame in a horizontal state;
s4: the safety anti-slip device is arranged from an inclined shaft to a conversion chamber: the rotary stepping frame is placed to the extreme inclined position by using the hoisting mechanism, the safety anti-slip device is moved to the rotary stepping frame, the rotary stepping frame and the safety anti-slip device are rotated to the horizontal state with the assistance of the hoisting mechanism, the safety device is removed, and the safety device is not needed in the process of tunneling the open cut tunnel;
s5: the rear matching is from the inclined shaft to the conversion chamber: the rotary stepping frame is placed to the extreme inclined position by using the hoisting mechanism, the rear matching is moved to the rotary stepping frame, and the rotary stepping frame and the rear matching trolley rotate to the horizontal state under the assistance of the hoisting mechanism;
s6: and connecting the rear support with a TBM host, and adjusting corresponding equipment of the slag sliding part and the rear support of the cutter head so as to meet the tunneling requirement of the open cut tunnel.
The specific steps for adjusting the slag sliding part of the cutter head in the step S6 are as follows: the slag hole at the bottom of the cutter disc and the gate of the slag hole at the side surface are plugged, the central slag hole of the cutter disc is opened, the slag scraping plate, the slag sliding plate and the slag discharging belt conveyor are additionally arranged, and the central slag discharging of the cutter disc is met.
Under the auxiliary action of the hoisting mechanism of the device for quickly converting the inclined shaft and the open cut tunnel, the swing supporting mechanism becomes a bridge between the inclined shaft and the open cut tunnel to realize the quick conversion of the TBM tunneling machine from the inclined shaft to the open cut tunnel, improve the tunneling efficiency and reduce the equipment investment. The rapid conversion TBM tunneling machine for the inclined shaft and the flat tunnel is matched with the rapid conversion device to complete the transition conversion from the inclined shaft to the flat tunnel of the TBM tunneling machine, and the safety anti-sliding device is arranged to prevent the TBM tunneling machine from sliding or unnecessarily sliding during tunneling in the inclined shaft, so that the construction safety coefficient is improved. In the construction process, a TBM is used, and after a small amount of transformation, the inclined shaft and the open cut tunnel can be continuously excavated, so that the starting and receiving links of TBM equipment are reduced, the equipment cost is saved, and the total construction period is shortened. The conversion chamber replaces the receiving chamber of the original inclined shaft TBM, so that the cost is reduced, the conversion step is safe and convenient, and the construction efficiency is improved.
Drawings
In order to illustrate the embodiments of the invention more clearly, the drawings that are needed in 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 invention, and that other drawings may be derived from those drawings by a person skilled in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a fast switching device according to the present invention.
Fig. 2 is a schematic structural diagram of the TBM tunneling machine of the present invention.
Fig. 3 is a schematic diagram of the state of the TBM heading machine from a slant well to a conversion chamber.
FIG. 4 is a diagram illustrating a TBM mainframe from a transition chamber to a cave state.
FIG. 5 is a schematic view of the safety anti-slip device from the inclined shaft to the conversion chamber.
FIG. 6 is a schematic diagram of the state of the rear sleeve entering the cave.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, in embodiment 1, a device for rapidly converting an inclined shaft into a horizontal tunnel comprises a hoisting mechanism 4, wherein a conversion cavern 3 is arranged at the intersection of the inclined shaft 1 and the horizontal tunnel 2, the conversion cavern 3 is respectively communicated with the inclined shaft and the horizontal tunnel, the hoisting mechanism 4 is arranged at the upper part of the conversion cavern 3, a swing support mechanism 5 and a drag mechanism 6 are arranged at the lower part of the conversion cavern 3, the hoisting mechanism is positioned above the swing support mechanism 5 and the drag mechanism 6, and the hoisting mechanism provides power for the swing of the swing support mechanism.
Further, hoisting mechanism 4 is including setting up horizontal rail 401 in conversion cavern 3, is equipped with hoist 402 on the horizontal rail 401, and the hoist can follow horizontal rail motion under self driving motor's effect, and the hoist drives rotatory step-by-step frame 502 and rotates around the pin joint, and the supplementary TBM entry driving machine gets into the open cut tunnel from the inclined shaft fast. Swing supporting mechanism 5 is including setting up the runing rest 501 in the crossing department in inclined shaft 1 and 2 bottom surfaces of adit, it has rotatory step-by-step frame 502 to articulate on the runing rest 501, rotatory step-by-step frame can rotate around the pin joint, the length assurance of rotatory step-by-step frame is at its rotatory in-process with the inclined shaft, conversion cavern and adit take place to interfere, the both ends of rotatory step-by-step frame 502 can be dismantled and be equipped with support frame 503, when rotatory step-by-step frame 502 is in the horizontality, rotatory step-by-step frame 502 is equipped with the support frame with the corresponding one end of inclined shaft, when rotatory step-by-step frame 502 is in the extreme slope state (the extreme slope state is rotatory step-by-step frame is located the inclined shaft bottom), the one end that rotatory step-by-step frame 502.
Further, the swing supporting mechanism 5 is arranged at the intersection of the inclined shaft 1 and the horizontal tunnel 2 and corresponds to the dragging mechanism 6, namely the swing supporting mechanism is a bridge between the inclined shaft and the horizontal tunnel to realize the rapid conversion of the TBM tunneling machine from the inclined shaft to the horizontal tunnel, improve the tunneling efficiency and reduce the equipment investment, and specifically, the swing supporting mechanism is in smooth butt joint with the horizontal stepping frame 601 of the dragging mechanism 6 when the rotary stepping frame 502 is in a horizontal state, so that the TBM tunneling can smoothly enter the horizontal stepping frame 601 through the rotary stepping frame 502. When the rotating stepping frame 502 is in a limit inclined state (the limit inclined state is that the rotating stepping frame is positioned at the bottom of the inclined shaft), the rotating stepping frame is smoothly butted with a fixed stepping frame 504 arranged in the inclined shaft 1, so that the TBM tunneling can be ensured to smoothly enter the rotating stepping frame through the fixed stepping frame. The dragging mechanism 6 comprises a horizontal stepping frame 601 arranged at the bottom of the tunnel 2, and a dragging oil cylinder 602 is arranged on the horizontal stepping frame 601. The length of the horizontal stepping frame 601 is set according to needs so as to meet smooth conversion of the TBM tunneling machine, and the dragging oil cylinder 602 is arranged in parallel with the horizontal stepping frame to provide power for initial movement of the TBM main machine in the tunnel.
As shown in fig. 2, in embodiment 2, a rapid-switching TBM tunneling machine for inclined shaft and flat tunnel is provided, and the TBM tunneling machine is matched with the rapid-switching device to complete the transition of the TBM tunneling machine from the inclined shaft 1 to the flat tunnel 2, i.e. the TBM tunneling machine in the inclined shaft is rapidly and safely transported into the flat tunnel by matching with the rapid-switching device in embodiment 1 during the transition process from the inclined shaft to the flat tunnel. The TBM tunneling machine comprises a TBM main machine 7 and a rear support 8, wherein when the TBM tunneling machine tunnels in the inclined shaft 1, a safety anti-slip device 9 is arranged between the TBM main machine 7 and the rear support 8 to prevent the TBM tunneling machine from slipping or unnecessarily sliding when tunneling in the inclined shaft 1, and when the TBM tunneling machine tunnels in the flat tunnel 2, the safety anti-slip device is removed. The rear matching 8 is provided with a hydraulic oil tank, an operation chamber 801 and a pedestrian passage step 802, a slag chute 10 is arranged below the TBM main machine and extends to the rear matching tail, and the hydraulic oil tank, the operation chamber and the pedestrian passage step are arranged on a rear matching trolley and are horizontally arranged in an inclined shaft tunnel.
Further, TBM host computer 7 includes blade disc 701, main drive 702 and advancing system, and blade disc 701 is connected with main drive 702, is equipped with central slag notch, bottom slag notch and side slag notch on blade disc 701, all is equipped with the shutoff gate in central slag notch, bottom slag notch and the side slag notch and all is connected with corresponding slag tapping system. In the process of driving the inclined shaft, the plugging gate of the central slag hole is in a closed state, the plugging gates in the bottom slag hole and the side slag hole are in an open state, and slag soil generated in the process of driving enters the slag chute through the bottom slag hole and the side slag hole to discharge slag. In the process of tunneling the tunnel, the slag chute is dismantled, the plugging gate of the central slag hole is in an open state, a corresponding central slag hole belt conveyor is installed, the plugging gate in the bottom slag hole and the side slag hole is in a closed state, and slag soil generated in the tunneling process enters the central slag hole belt conveyor through the central slag hole to be subjected to slag discharging.
Further, the safe anti-slip device 9 comprises a supporting trolley 901, a telescopic arm 902 is arranged on the supporting trolley 901, the telescopic arm can adopt a telescopic oil cylinder, the number of the telescopic arms is set as required, a shoe supporting plate 903 is arranged at the free end of the telescopic arm 902, the telescopic arm extends out during use, the shoe supporting plate is tightly supported on the wall of the inclined shaft well, and the TBM heading machine is effectively prevented from slipping downwards. The front end of the supporting trolley 901 is provided with a connecting oil cylinder 904 connected with the TBM host 7, the connecting oil cylinder is used for realizing quick connection with the TBM host 7, and synchronous follow-up is carried out along with the TBM host 7, so that the safety of inclined shaft construction is improved.
s1: opening a conversion cavern 3: a conversion cavern 3 is arranged at the intersection of the inclined shaft 1 and the horizontal tunnel 2; a hoisting mechanism 4, a swinging support mechanism 5 and a dragging mechanism 6 are arranged in the conversion chamber 3; the crane of the hoisting mechanism 4 is arranged on the wall of the conversion chamber, the rotating support of the swing support mechanism 5 is arranged at the bottom of the conversion chamber, and the rotating stepping frame is arranged on the rotating support and can rotate around the rotating support. The horizontal stepping frame of the dragging mechanism 6 is fixedly connected with the wall of the hole;
s2: as shown in fig. 3, the TBM host 7 is from the slant well to the conversion cavern: the rotary stepping frame 502 of the swing support mechanism 5 is in an extreme inclined state, in an initial state, a support frame (set as an upper support frame) at the corresponding end of the rotary stepping frame and the flat tunnel is supported on the wall of the tunnel, the TBM host 7 moves to a preset position of the rotary stepping frame 502, the connection between the TBM host 7 and the safety anti-slip device 9 is disconnected, and the upper support frame is detached; a hoisting mechanism 4 in the conversion cavern 3 drives the rotating stepping frame 502 to rotate, the rotating stepping frame 502 is rotated from an extreme inclined state to a horizontal state, the rotating stepping frame is connected with the horizontal stepping frame after rotating, and a TBM host 7 is transferred into the conversion cavern 3 from an inclined shaft; a support frame (set as a lower support frame) at the corresponding end of the rotary stepping frame and the inclined shaft is arranged to support the rotary stepping frame;
s3: as shown in fig. 4, the TBM host 7 is connected from the transfer cavern to the cavern 2: a dragging oil cylinder 602 of the dragging mechanism 6 is connected with the TBM host 7, and the TBM host 7 is dragged to the horizontal stepping frame 601 from the rotating stepping frame 502 in a horizontal state; the TBM host is pulled forwards along the horizontal stepping frame for a moving distance, so that the installation of a rear matching machine and the like is facilitated;
s4: as shown in fig. 5, the safety anti-slip device 9 is from the inclined shaft to the conversion chamber: dismantling the lower support frame, placing the rotating stepping frame to a limit inclined position by using the hoisting mechanism 4, moving the safety anti-slip device 9 to the rotating stepping frame, rotating the rotating stepping frame 502 and the safety anti-slip device 9 to a horizontal state under the auxiliary action of the hoisting mechanism 4, installing the lower support frame, dismantling the safety device, and needing no safety device in the process of the open cut tunnel excavation;
s5: as shown in fig. 6, the rear set is from the inclined shaft to the conversion chamber: the lower support frame is dismantled, the rotary stepping frame is placed to the extreme inclined position by using the hoisting mechanism 4, the rear matching frame is moved to the rotary stepping frame, and the rotary stepping frame 502 and the rear matching trolley rotate to the horizontal state under the assistance of the hoisting mechanism 4;
s6: the TBM main machine is stepped to a preset position on the horizontal stepping frame, the rear matching is connected with the TBM main machine 7, and the slag sliding part of the cutter head and corresponding equipment of the rear matching are adjusted to meet the tunneling requirement of the open cut tunnel 2.
The specific steps for adjusting the slag sliding part of the cutter head in the step S6 are as follows: the slag hole at the bottom of the cutter disc and the gate of the slag hole at the side surface are plugged, the central slag hole of the cutter disc 701 is opened, the slag scraping plate, the slag sliding plate and the slag discharging belt conveyor are additionally arranged, and the central slag discharging of the cutter disc is met. And the step of adjusting corresponding equipment is to modify the original hydraulic tank and the original water tank into horizontal arrangement and remove the steps of the pedestrian passageway.
In the construction process, a TBM is used, and after a small amount of transformation, the inclined shaft and the open cut tunnel can be continuously excavated, so that the starting and receiving links of TBM equipment are reduced, the equipment cost is saved, and the total construction period is shortened. The conversion chamber replaces the receiving chamber of the original inclined shaft TBM, the chamber cost is not increased, and the conversion step is safe and convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a slant well and quick conversion equipment of adit which characterized in that: the device comprises a hoisting mechanism (4) arranged in a conversion cavern (3) at the intersection of an inclined shaft (1) and a horizontal tunnel (2), wherein a swing supporting mechanism (5) and a dragging mechanism (6) are arranged at the lower part of the conversion cavern (3), and the swing supporting mechanism (5) is arranged at the intersection of the inclined shaft (1) and the horizontal tunnel (2) and corresponds to the dragging mechanism (6).
2. The device for rapidly converting an inclined shaft into a flat hole according to claim 1, wherein: the hoisting mechanism (4) comprises a horizontal guide rail (401) arranged in the conversion chamber (3), and a crane (402) is arranged on the horizontal guide rail (401).
3. The device for rapidly converting inclined shaft and flat hole according to claim 1 or 2, wherein: the swing supporting mechanism (5) comprises a rotating support (501) arranged at the intersection of the inclined shaft (1) and the bottom surface of the horizontal tunnel (2), a rotating stepping frame (502) is hinged to the rotating support (501), and a supporting frame (503) is detachably arranged on the rotating stepping frame (502).
4. The device for rapidly converting an inclined shaft into a flat hole according to claim 3, wherein: when the rotating stepping frame (502) is in a horizontal state, the rotating stepping frame is smoothly butted with the dragging mechanism (6); when the rotating stepping frame (502) is in the extreme inclined state, the rotating stepping frame is smoothly butted with a fixed stepping frame (504) arranged in the inclined shaft (1).
5. The device for rapidly converting inclined shaft and flat hole according to claim 1, 2 or 4, wherein: the dragging mechanism (6) comprises a horizontal stepping frame (601) arranged at the bottom of the tunnel (2), and a dragging oil cylinder (602) is arranged on the horizontal stepping frame (601).
6. The utility model provides a TBM entry driving machine of inclined shaft and adit fast switch which characterized in that: the TBM tunneling machine is matched with the quick switching device of claim 1, 4 or 5 to complete the transition switching from the inclined shaft (1) to the open cut tunnel (2); the TBM heading machine comprises a TBM main machine (7) and a rear matching machine (8), wherein when the TBM heading machine digs in the inclined shaft (1), a safety anti-slip device (9) is arranged between the TBM main machine (7) and the rear matching machine (8); the rapid conversion device transports the TBM host (7), the safe anti-slip device (9) and the rear support (8) in sequence.
7. The inclined shaft and open hole rapid switching TBM heading machine as claimed in claim 6, wherein: TBM host computer (7) are including blade disc (701), main drive (702) and propulsion system, and blade disc (701) are connected with main drive (702), are equipped with central slag notch, bottom slag notch and side slag notch on blade disc (701), all are equipped with the shutoff gate in central slag notch, bottom slag notch and the side slag notch and all are connected with corresponding slag tapping system.
8. The inclined shaft and open hole rapid switching TBM heading machine according to claim 7, wherein: the safe anti-slip device (9) comprises a supporting trolley (901), a telescopic arm (902) is arranged on the supporting trolley (901), a boot supporting plate (903) is arranged at the free end of the telescopic arm (902), and a connecting oil cylinder (904) connected with a TBM host (7) is arranged at the front end of the supporting trolley (901).
9. A construction method of the inclined shaft and open cut tunnel rapid conversion TBM tunnel boring machine according to claim 8, characterized in that: the method comprises the following steps:
s1: opening a conversion chamber (3): a conversion cavern (3) is arranged at the intersection of the inclined shaft (1) and the horizontal tunnel (2); a hoisting mechanism (4), a swinging support mechanism (5) and a dragging mechanism (6) are arranged in the conversion cavern (3);
s2: the TBM host (7) is from the inclined shaft to the conversion chamber: a rotating stepping frame (502) of the swing supporting mechanism (5) is in an extreme inclined state, a TBM host (7) moves to a preset position of the rotating stepping frame (502), the connection between the TBM host (7) and a safety anti-slip device (9) is disconnected, a hoisting mechanism (4) in a conversion cavern (3) drives the rotating stepping frame (502) to rotate, the rotating stepping frame (502) is rotated to a horizontal state from the extreme inclined state, and the TBM host (7) is transferred into the conversion cavern (3) from an inclined shaft;
s3: the TBM host (7) is from the conversion chamber to the flat tunnel (2): a dragging oil cylinder (602) of the dragging mechanism (6) is connected with the TBM host (7), and the dragging oil cylinder (602) drags the TBM host (7) to the horizontal stepping frame (601) from the rotating stepping frame (502) in a horizontal state;
s4: the safety anti-slip device (9) is from an inclined shaft to a conversion chamber: the rotary stepping frame is placed to the limit inclined position by using the hoisting mechanism (4), the safety anti-slip device (9) is moved to the rotary stepping frame, the rotary stepping frame (502) and the safety anti-slip device (9) rotate to the horizontal state with the assistance of the hoisting mechanism (4), and the safety device is dismounted;
s5: the rear matching is from the inclined shaft to the conversion chamber: the rotary stepping frame is placed to the extreme inclined position by using the hoisting mechanism (4), the rear matching is moved to the rotary stepping frame, and the rotary stepping frame (502) and the rear matching trolley rotate to the horizontal state under the assistance of the hoisting mechanism (4);
s6: and connecting the rear support with a TBM host (7), and adjusting corresponding equipment of the slag sliding part and the rear support of the cutter head so as to meet the tunneling requirement of the open cut tunnel (2).
10. The construction method of the inclined shaft and adit rapid switching TBM (tunnel boring machine) according to claim 9, which is characterized in that: the specific steps for adjusting the slag sliding part of the cutter head in the step S6 are as follows: the slag hole at the bottom of the cutter disc and the gate of the slag hole at the side surface are plugged, the central slag hole of the cutter disc (701) is opened, the slag scraping plate, the slag sliding plate and the slag discharging belt conveyor are additionally arranged, and the central slag discharging of the cutter disc is met.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011472591.4A CN112360474A (en) | 2020-12-15 | 2020-12-15 | Inclined shaft and open cut tunnel rapid conversion device, TBM (tunnel boring machine) and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011472591.4A CN112360474A (en) | 2020-12-15 | 2020-12-15 | Inclined shaft and open cut tunnel rapid conversion device, TBM (tunnel boring machine) and construction method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006804A (en) * | 2021-03-19 | 2021-06-22 | 中铁工程装备集团有限公司 | Driving method and structure of inclined shaft system line |
| CN114109403A (en) * | 2021-11-05 | 2022-03-01 | 中铁工程装备集团有限公司 | Inclined shaft TBM receiving method |
-
2020
- 2020-12-15 CN CN202011472591.4A patent/CN112360474A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113006804A (en) * | 2021-03-19 | 2021-06-22 | 中铁工程装备集团有限公司 | Driving method and structure of inclined shaft system line |
| CN114109403A (en) * | 2021-11-05 | 2022-03-01 | 中铁工程装备集团有限公司 | Inclined shaft TBM receiving method |
| CN114109403B (en) * | 2021-11-05 | 2024-06-07 | 中铁工程装备集团有限公司 | Inclined shaft TBM receiving method |
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