CN218716794U - TBM lossless dismantling device under existing cavern condition - Google Patents
TBM lossless dismantling device under existing cavern condition Download PDFInfo
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- CN218716794U CN218716794U CN202222859698.5U CN202222859698U CN218716794U CN 218716794 U CN218716794 U CN 218716794U CN 202222859698 U CN202222859698 U CN 202222859698U CN 218716794 U CN218716794 U CN 218716794U
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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
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Abstract
The utility model relates to a TBM nondestructive dismantling device under the existing chamber condition, which comprises a drainage gallery and a ventilation tunnel, and also comprises a receiving bracket and a ceiling lifting device which are respectively arranged on the bottom surface and the top surface of the ventilation tunnel; the receiving bracket is of a multi-section structure, and two adjacent sections of the receiving bracket are connected through bolts; the front end of the receiving bracket is provided with a limiting frame and traction equipment, and the receiving bracket and the limiting frame are matched and tightly abutted in the ventilation hole for limiting; both sides of the receiving bracket are also provided with pushing equipment and a bearing track; the top-suction hoisting device comprises a plurality of anchor cables anchored on the top of the tunnel, a fixing plate arranged among the anchor cables, I-shaped steel detachably connected below the fixing plate, a monorail crane arranged on the I-shaped steel in a rolling mode and an electric hoist arranged below the monorail crane. The utility model discloses can be according to actually tearing open quick-witted place needs nimble adjustment and tear quick-witted equipment size open, can carry out recycle to tearing open quick-witted equipment simultaneously.
Description
Technical Field
The utility model relates to a quick-witted technical field is torn open to the entry driving machine, especially relates to a harmless quick-witted device of tearing open of TBM under existing cavern condition.
Background
In the design of a hydropower underground plant, in order to reduce the water level line of the underground water, improve the structural stability of the underground plant and meet the operation requirements of electric and instrument equipment of a power station, a drainage gallery is usually arranged in the peripheral area of the underground plant so as to reduce the water level line of the underground plant of the hydropower station.
The drainage galleries are excavated according to design requirements by adopting the TBM, and the drainage galleries in different areas need to be excavated by the TBM in different times, so that the problem of disassembling and transferring the TBM among the different drainage galleries is solved.
The conventional dismantling measure is to install a bearing support and a gantry crane or a truss crane in the enlarged cavern, manually dismantle all parts of the TBM after the TBM moves to the bearing support, and hoist the dismantled parts out of the cavern by using the gantry crane or the truss crane.
Bear the support and mostly be fixed knot structure, its expansion grotto that is difficult to adapt to different width still inconveniently supports TBM's different parts simultaneously, and inconvenient each part of carrying out the adjustment of gesture to TBM moreover, and then be difficult to adjust each part to required gesture and guarantee the smoothness of hoist and mount.
The gantry crane or the truss crane is used as special equipment, the volume is large, the mounting and dismounting time is long, the special department is required to inspect after mounting, and the process is complicated. When the gantry crane or the truss crane runs, the gantry crane or the truss crane carries the hoisted parts to move together, and the running amount is large.
Disclosure of Invention
The utility model discloses a solve conventional quick-witted device installation work volume of tearing open big, actually tear quick-witted process loaded down with trivial details problem, provide a TBM harmless quick-witted device of tearing open under the existing hole room condition, can well assist the operation of tearing open the quick-witted, guarantee to tear quick-witted efficiency open.
In order to achieve the above object, the utility model adopts the following technical scheme:
a TBM nondestructive dismantling device under the existing chamber condition comprises a drainage gallery, a ventilation tunnel, a receiving bracket and a ceiling lifting device, wherein the receiving bracket and the ceiling lifting device are respectively arranged on the bottom surface and the top surface of the ventilation tunnel;
the receiving brackets correspond to the drainage gallery, the receiving brackets are arranged along the width direction of the ventilation tunnel, the receiving brackets are of a multi-section structure, and two adjacent sections of the receiving brackets are connected through bolts and are convenient to disassemble and assemble;
the front end of the receiving bracket is provided with a limiting frame and traction equipment, and the receiving bracket and the limiting frame are matched and tightly abutted in the ventilation hole for limiting; both sides of the receiving bracket are also provided with pushing equipment and a bearing track;
the top-suction hoisting device is arranged along the length direction of the ventilation hole, comprises a plurality of anchor cables anchored on the top of the hole, a fixing plate arranged among the anchor cables, I-shaped steel detachably connected below the fixing plate, a monorail crane arranged on the I-shaped steel in a rolling manner and an electric hoist arranged below the monorail crane, and has a hoisting and transferring function.
Further, drainage corridor and ventilation hole vertical distribution communicate between drainage corridor and the ventilation hole, and the drainage corridor is interior to be laid TBM, and the TBM includes supporting trailer behind TBM host computer and the TBM, and this is prior art, and here is no longer repeated.
Furthermore, the two sides of the receiving bracket are convex, and the middle part of the receiving bracket is concave so as to be matched with the outer contour of the TBM; each section of receiving bracket comprises two sections of half brackets symmetrically arranged on two sides of the drainage gallery, the two sections of the half brackets are connected through bolts, and the receiving bracket is installed in a modular assembling structure.
Furtherly, spacing is the shaped steel structure, has sufficient support intensity, and spacing tightly supports on ventilation hole one side, and the receiving bracket rear end tightly supports on the ventilation hole opposite side.
Furthermore, the traction equipment is a winch, corresponds to the drainage gallery, and the pushing equipment is a pushing oil cylinder and is detachably connected with the receiving bracket and can be mounted at any position of the receiving bracket to adjust the posture of the part, the pushing equipment is close to the side edge of the receiving bracket, and the bearing track is far away from the side edge of the receiving bracket.
Further, the fixed plate is a long-strip-shaped plate body, the fixed plate is arranged along the length direction of the ventilation hole, L-shaped connecting plates are symmetrically arranged on two sides of the fixed plate, the connecting plates are connected with the fixed plate through bolts, the I-shaped steel is hung between the two connecting plates, the installation and the disassembly of the I-shaped steel are conveniently realized, and buffer baffle plates are arranged at two ends of the length direction of the I-shaped steel.
Through the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a receiving bracket divide into the multistage, and every section receiving bracket divide into two sections and half brackets again, and then receiving bracket adopts the modular structure of assembling, can carry out nimble installation according to the ventilation tunnel width, satisfies TBM support demand of tearing open the machine.
The utility model discloses a TBM host computer self has the power that advances, can tear open the machine on moving to receiving the bracket certainly, cooperates the top pushing equipment simultaneously, can adjust the position of each part of TBM host computer on receiving the bracket in a flexible way, is convenient for inhale a hoisting accessory's handling. The supporting trailer self does not have the power that advances behind the TBM, through the bearing track of pulling equipment and installation, can be convenient with supporting trailer removal to receiving on the bracket behind the TBM machine of tearing open.
The utility model discloses an inhale a hoisting accessory and carry out the handling and remove, non-adoption gantry crane, purlin hang special equipment such as carry out the dismouting handling, need not special department's inspection, process preparation time is short, and the procedure is few, and the flow is simple. The ceiling lifting device is convenient to install, small in modification work amount, recyclable and low in construction cost.
Drawings
Fig. 1 is the overall structure schematic diagram of the TBM nondestructive dismantling device under the existing cavern condition.
Fig. 2 is a schematic view of the direction a in fig. 1 of the TBM nondestructive dismantling device in the existing cavern condition of the present invention.
Fig. 3 is a front view of the receiving bracket of the TBM nondestructive dismantling device in the existing chamber.
Fig. 4 is a side view of the receiving bracket of the TBM nondestructive dismantling device in the existing chamber condition.
Fig. 5 is a schematic view of a ceiling lifting device of a TBM nondestructive dismantling device under existing cavern conditions.
Fig. 6 is an installation schematic diagram of the i-steel of the TBM nondestructive dismantling device under the existing cavern condition.
The reference numbers in the figures are: the device comprises a drainage gallery 1, a ventilation hole 2, a TBM host machine 3, a TBM rear supporting trailer 4, a receiving bracket 5, a ceiling-mounted lifting device 6, a limiting frame 7, an underframe section 81, a support section 82, a bearing rail 9, a pushing device 10, a hinged seat 11, a traction device 12, an anchor rope 13, a fixing plate 14, an I-steel 15, a monorail crane 16, an electric hoist 17, a connecting plate 18 and a buffer baffle 19.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:
as shown in fig. 1-6, a TBM nondestructive dismantling device under existing chamber conditions comprises a drainage gallery 1 and a ventilation hole 2, wherein the drainage gallery 1 and the ventilation hole 2 are vertically distributed, the drainage gallery 1 is communicated with the ventilation hole 2, a TBM is arranged in the drainage gallery 1, and the TBM comprises a TBM host 3 and a TBM rear supporting trailer 4.
The method comprises the following steps that a TBM is adopted to excavate a drainage gallery 1, the TBM is excavated to be communicated with a ventilation tunnel 2 when the machine is required to be disassembled, the TBM is disassembled in the ventilation tunnel 2, and then corresponding disassembling equipment is required to be installed in the ventilation tunnel 2.
In this embodiment, the device further comprises a receiving bracket 5 and a ceiling lifting device 6 which are respectively arranged on the bottom surface and the top surface of the ventilation hole 2. And taking the receiving bracket 5 and the ceiling lifting device 6 as dismantling equipment, and performing TBM dismantling operation.
The receiving bracket 5 corresponds to the drainage gallery 1, and the receiving bracket 5 is arranged along the width direction of the ventilation tunnel 2, so that the TBM in the drainage gallery 1 can be smoothly borne.
In order to realize the installation and fixation of the receiving bracket 5, the front end of the receiving bracket 5 is provided with a limiting frame 7, and the receiving bracket 5 and the limiting frame 7 are matched and tightly abutted in the ventilation hole 2 for limiting. Specifically, spacing 7 is the shaped steel structure, and spacing 7 tightly supports in 2 one sides in the ventiduct, and receiving bracket 5 rear end tightly supports in 2 opposite sides in the ventiduct, and then can prevent receiving bracket 5 and remove.
The two sides of the receiving bracket 5 are convex, and the middle part of the receiving bracket is concave so as to adapt to the outer contour of the TBM. In order to adapt to the ventilation holes 2 with different widths, the receiving bracket 5 is of a multi-section structure, the structure of each section of the receiving bracket 5 is the same, and the adjacent two sections of the receiving brackets 5 are connected through bolts, so that the receiving brackets 5 are convenient to disassemble and assemble.
Each section of receiving bracket 5 comprises two sections of half brackets symmetrically arranged on two sides of the drainage gallery 1, and the two sections of half brackets are connected through bolts, so that the modular disassembly and assembly of the receiving bracket 5 can be realized. Each half-bracket comprises a rectangular underframe section 81 and a right trapezoid bracket section 82, and the bracket section 82 is arranged on one side of the underframe section 81.
The bearing rails 9 are arranged on two sides of the receiving bracket 5, namely the bearing rails 9 are arranged at the positions of the oblique edges of the bracket sections 82, and the bearing rails 9 are far away from the side edges of the receiving bracket 5 so that the bearing rails 9 can contact and bear the TBM and simultaneously facilitate the movement of the TBM on the receiving bracket 5.
In order to realize the movement of each component of the TBM host 3 on the receiving bracket 5, the pushing devices 10 are further arranged on two sides of the receiving bracket 5, that is, the pushing devices 10 are arranged at the upper bottom edge position of the bracket section 82, the pushing devices 10 are pushing cylinders, the pushing devices 10 are detachably connected with the receiving bracket 5, and the pushing devices 10 are closer to the side edge of the receiving bracket 5 than the bearing rail 9.
When the pushing oil cylinder is installed, the pushing oil cylinder adopts a hydraulic pump to provide power, a hinged seat 11 is arranged at one end of the pushing oil cylinder, the pushing oil cylinder is hinged with the hinged seat 11, the hinged seat 11 is in bolted connection with the receiving bracket 5, bolt holes are distributed on two sides of the receiving bracket 5, and the pushing oil cylinder can be installed at any position of the receiving bracket 5 through the hinged seat 11.
In order to realize the movement of the TBM rear matched trailer 4 on the receiving bracket 5, the front end of the receiving bracket 5 is provided with a traction device 12, the traction device 12 is a winch, an external power supply of the traction device 12 provides power, the traction device 12 corresponds to the drainage gallery 1, and the TBM rear matched trailer 4 can be pulled to move along the bearing track 9.
In this embodiment, the ceiling-mounted hoisting device 6 is used for hoisting each component of the TBM out of the tunnel, and the ceiling-mounted hoisting device 6 is arranged along the length direction of the ventilation tunnel 2. The ceiling-mounted hoisting device 6 comprises a plurality of anchor cables 13 anchored on the top of the tunnel, a fixing plate 14 arranged among the anchor cables 13, an I-shaped steel 15 detachably connected below the fixing plate 14, a monorail crane 16 arranged on the I-shaped steel 15 in a rolling manner, and an electric hoist 17 arranged below the monorail crane 16.
The anchor cables 13 are arranged at intervals, the fixing plates 14 are fixedly connected with the anchor cables 13, the fixing plates 14 are fixed to the top of the ventilation hole 2 through the anchor cables 13, the fixing plates 14 are strip-shaped plate bodies, and the fixing plates 14 are arranged along the length direction of the ventilation hole 2.
In order to realize convenient installation of the I-shaped steel 15, L-shaped connecting plates 18 are symmetrically arranged on two sides of the fixing plate 14, the connecting plates 18 are connected with the fixing plate 14 through bolts, the I-shaped steel 15 is suspended between the two connecting plates 18, and the installation of the I-shaped steel 15 is realized.
The monorail cranes 16 are one or more in number to meet the lifting requirements of the heaviest components of the demolition machine. The monorail crane 16 is externally connected with a power supply to provide power, the monorail crane 16 can drive the electric hoist 17 to move along the I-shaped steel 15, and two ends of the I-shaped steel 15 in the length direction are provided with buffer baffles 19 for limiting the movement of the monorail crane 16.
The utility model discloses install and use as follows: and (3) tunneling the TBM towards the ventilation tunnel 2, before the TBM reaches the ventilation tunnel 2, configuring a top-suction hoisting device 6 at the top of the ventilation tunnel 2 according to the weight of the largest undetachable part of the TBM, and performing a load hoisting test or a drawing test on the anchor cable 13 after the construction of the top-suction hoisting device 6 is completed to verify that the hoisting requirement of the largest part of the TBM is met.
After the TBM is tunneled to be communicated with the ventilation tunnel 2, a receiving bracket 5 and a limiting frame 7 are laid in the ventilation tunnel 2 according to the width of the ventilation tunnel 2, the receiving bracket 5 is placed in parallel along the axis of the drainage gallery 1, and meanwhile, a traction device 12, a pushing device 10 and a bearing track 9 are installed on the receiving bracket 5.
The TBM moves forwards through a propelling device of the TBM until the TBM main machine 3 slowly moves to the receiving bracket 5, in the process that the TBM main machine 3 moves forwards, all parts of the TBM main machine 3 sequentially correspond to the ceiling-suction lifting device 6, the parts are manually and independently detached and disconnected from the TBM main machine 3, the ceiling-suction lifting device 6 and the corresponding parts are connected through a steel wire rope, and the parts are lifted, moved and transported out of a hole. And (5) transporting each part of the TBM main machine 3 out of the hole in sequence according to the mode.
In the process of disassembling the TBM host machine 3, the positions of all parts of the TBM host machine 3 on the receiving bracket 5 can be adjusted in an auxiliary manner through the pushing equipment 10, so that the hoisting movement of the jack-up hoisting device 6 is facilitated.
After the TBM host machine 3 is disassembled, the traction equipment 12 is connected with the TBM rear matched trailer 4, the TBM rear matched trailer 4 is pulled to the receiving bracket 5 through the traction equipment 12, the steel wire rope is used for connecting the ceiling lifting device 6 with the TBM rear matched trailer 4, and the TBM rear matched trailer 4 is lifted, moved and transported out of a hole.
After the TBM is disassembled, the ceiling-mounted hoisting device 6 is recovered, wherein the connecting plate 18, the I-steel 15, the monorail hoist 16 and the electric hoist 17 are disassembled and recovered for reuse; wherein the anchor lines 13 and the fixing plates 14 are left on the roof of the ventilation tunnel 2. And meanwhile, the recovery receiving bracket 5, the pushing equipment 10, the traction equipment 12 and the limiting frame 7 are disassembled, so that the whole TBM disassembling operation is completed.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.
Claims (6)
1. A TBM lossless dismantling device under the condition of an existing cavern comprises a drainage gallery (1) and a ventilation tunnel (2), and is characterized by further comprising receiving brackets (5) and a ceiling lifting device (6), wherein the receiving brackets are respectively arranged on the bottom surface and the top surface of the ventilation tunnel (2);
the receiving brackets (5) correspond to the drainage gallery (1), the receiving brackets (5) are arranged along the width direction of the ventilation tunnel (2), the receiving brackets (5) are of a multi-section structure, and two adjacent sections of the receiving brackets (5) are connected through bolts;
the front end of the receiving bracket (5) is provided with a limiting frame (7) and a traction device (12), and the receiving bracket (5) and the limiting frame (7) are matched and tightly abutted in the ventilation tunnel (2) for limiting; both sides of the receiving bracket (5) are also provided with a pushing device (10) and a bearing track (9);
the top-suction hoisting device (6) is arranged along the length direction of the ventilation tunnel (2), and the top-suction hoisting device (6) comprises a plurality of anchor cables (13) anchored at the tunnel top, a fixing plate (14) arranged among the anchor cables (13), I-shaped steel (15) detachably connected below the fixing plate (14), a monorail crane (16) arranged on the I-shaped steel (15) in a rolling mode and an electric hoist (17) arranged below the monorail crane (16).
2. The TBM nondestructive dismantling device for the existing cavern condition is characterized in that the drainage gallery (1) and the ventilation hole (2) are vertically distributed, the drainage gallery (1) is communicated with the ventilation hole (2), and a TBM is distributed in the drainage gallery (1) and comprises a TBM main machine (3) and a TBM rear matching trailer (4).
3. The device for nondestructive disassembly of TBM under existing cavern conditions is characterized in that two sides of the receiving bracket (5) are convex, and the middle part of the receiving bracket is concave so as to adapt to the outer contour of the TBM; each section of receiving bracket (5) comprises two sections of half brackets symmetrically arranged on two sides of the drainage gallery (1), and the two sections of half brackets are connected through bolts.
4. The TBM nondestructive dismantling device for the existing cavern condition as recited in claim 1 is characterized in that the limiting frame (7) is of a steel section structure, the limiting frame (7) is tightly abutted against one side of the ventilation tunnel (2), and the rear end of the receiving bracket (5) is tightly abutted against the other side of the ventilation tunnel (2).
5. The TBM nondestructive dismantling device under the existing cavern condition as claimed in claim 1 is characterized in that the traction device (12) is a winch, the traction device (12) corresponds to the drainage corridor (1), the pushing device (10) is a pushing cylinder, the pushing device (10) is detachably connected with the receiving bracket (5), the pushing device (10) is close to the side edge of the receiving bracket (5), and the bearing rail (9) is far away from the side edge of the receiving bracket (5).
6. The TBM nondestructive dismantling device under the condition of an existing cavern is characterized in that the fixing plate (14) is an elongated plate body, the fixing plates (14) are arranged along the length direction of the ventilation cavern (2), L-shaped connecting plates (18) are symmetrically arranged on two sides of the fixing plate (14), the connecting plates (18) are in bolt connection with the fixing plate (14), the I-shaped steel (15) is hung between the two connecting plates (18), and buffer baffles (19) are arranged at two ends of the I-shaped steel (15) in the length direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904323X | 2022-07-23 | ||
| CN202221904323 | 2022-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218716794U true CN218716794U (en) | 2023-03-24 |
Family
ID=85593825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222859698.5U Active CN218716794U (en) | 2022-07-23 | 2022-10-28 | TBM lossless dismantling device under existing cavern condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218716794U (en) |
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2022
- 2022-10-28 CN CN202222859698.5U patent/CN218716794U/en active Active
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