CN113202484B - Correction device for TBM advancing direction deviation and use method thereof - Google Patents
Correction device for TBM advancing direction deviation and use method thereof Download PDFInfo
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- CN113202484B CN113202484B CN202110401257.8A CN202110401257A CN113202484B CN 113202484 B CN113202484 B CN 113202484B CN 202110401257 A CN202110401257 A CN 202110401257A CN 113202484 B CN113202484 B CN 113202484B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 230000002146 bilateral effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- E21D9/0621—Shield advancing devices
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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
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
-
- 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
- E21D9/087—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 with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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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
- E21D9/093—Control of the driving shield, e.g. of the hydraulic advancing cylinders
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a correction device for TBM advancing direction deviation and a use method thereof, comprising a TBM drill bit main body, wherein one end of the TBM drill bit main body is provided with a mounting frame, one end of the bottom of the mounting frame, which is far away from the TBM drill bit main body, is hinged with a hinged frame, the top of the hinged frame is hinged with a TBM support frame, the two sides of the bottom of the TBM support frame, which are close to one end of the mounting frame, are symmetrically provided with fourth hydraulic rods, and the output ends of the two groups of fourth hydraulic rods are provided with second support boots which are matched with each other. According to the invention, through the cooperation of the adjusting limiting assembly, the angle sensor, the L-shaped bracket and the rolling wheel, the mounting frame rotates around the third hydraulic rod as the axis by the cooperation of the third supporting shoe and the third hydraulic rod through the four groups of the first hydraulic rods until the adjusting limiting assembly limits the mounting frame to continue rotating, and the rotating angle of the mounting frame can be accurately known by the cooperation of the angle sensor, the L-shaped bracket and the rolling wheel, so that the whole TBM can accurately adjust the advancing direction.
Description
Technical Field
The invention relates to the technical field of tunnel boring machines, in particular to a correction device for TBM advancing direction deviation and a use method thereof.
Background
The TBM is a full-face tunnel boring machine, which is divided into an open tunnel boring machine and a shield tunnel boring machine, and the construction procedures of boring, supporting, slag discharging and the like are carried out in parallel and continuously, thus being industrial assembly line tunnel construction equipment integrating systems of machine, electricity, liquid, light, gas and the like.
In the use process of the current TBM, the situation of forward direction deviation possibly occurs, but the current TBM is often only provided with two groups of pushing cylinders and supporting shoes, and the stable forward movement of the TBM can be realized, but the whole TBM cannot be stably driven to move backwards, so that the correction of the TBM on the forward direction is inconvenient; when the current TBM corrects the advancing direction, a plurality of accurate electrical components are often needed to be matched with each other, and the accurate adjustment of the front end angle of the whole TBM cannot be realized through a simple component; meanwhile, when the advancing direction of the current TBM cannot be adjusted, the stability of the whole TBM is further improved, so that the normal construction of the TBM cannot be ensured.
Disclosure of Invention
The invention aims to provide a correction device for TBM advancing direction deviation and a use method thereof, so as to solve the related problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a correct device for TBM direction of advance skew, includes TBM bit body, the mounting bracket is installed to TBM bit body's one end, and the one end that TBM bit body was kept away from to the mounting bracket bottom articulates there is the articulated frame, the top of articulated frame articulates there is the TBM strut, the both sides symmetry that TBM strut bottom is close to mounting bracket one end is installed the fourth hydraulic stem, and the second that mutually support the boots that mutually support are installed to the output of two sets of fourth hydraulic stems, the mounting bracket bottom is close to the intermediate position department that TBM bit body one end was installed to the bearing, the third hydraulic stem is installed to the inboard of bearing, and the third hydraulic stem's output is installed the third and is propped boots, the one end that TBM strut top is close to the mounting bracket is provided with and adjusts spacing subassembly, the one side that TBM strut top is close to mounting bracket one end is installed L type support, and the interior top of L type support installs the mutually support with the wheel that adjusts spacing subassembly, the angle sensor mutually support is installed at the top of L type support with the wheel.
Preferably, adjust spacing subassembly includes arc spout, spacing, limiting plate, rack, servo motor, gear and arc slider, the arc spout has been seted up near the one end of mounting bracket in TBM strut top, and the inside of arc spout is provided with the arc slider, the spacing is installed at the top of arc slider, the mounting bracket is close to the one end of TBM strut install with spacing mutually supporting limiting plate, the bottom that mounting bracket one end was kept away from to the spacing is provided with the rack, servo motor is installed near one side of mounting bracket one end in TBM strut top, and servo motor's output install with rack intermeshing's gear.
Preferably, the correction assembly comprises a first hydraulic rod, a second hydraulic rod, sliding blocks, a first supporting shoe, a fixed seat and a sliding groove, wherein the sliding groove is formed in the middle position of the bottom of the mounting frame, two groups of sliding blocks are arranged in the sliding groove, the fixed seat is arranged at the bottom of the sliding block, the second hydraulic rod is symmetrically arranged on two sides of the fixed seat, the first supporting shoe is arranged at the output end of the second hydraulic rod, the first supporting shoe is symmetrically hinged to the middle position of one end, away from each other, of the first supporting shoe, and the four groups of the output ends of the first hydraulic rods are respectively hinged to the two ends of the two sides of the mounting frame.
Preferably, an auxiliary sliding groove is formed in one end, close to the mounting frame, of the bottom of the TBM support frame, an auxiliary sliding block is arranged in the auxiliary sliding groove, and one end, close to the TBM support frame, of the top of the hinge frame is hinged to the bottom of the auxiliary sliding block.
Preferably, the both sides of limiting plate are provided with the anticollision board, the interior bilateral symmetry of locating rack is provided with the rubber pad mutually supporting with the anticollision board.
Preferably, the staircase is installed to the one end symmetry that is close to TBM drill bit main part of mounting bracket both sides, and the staircase is the arc structure.
Preferably, the two groups of second supporting shoes form a semicircular structure together, and the outer sides of the correcting component, the second supporting shoes and the third supporting shoes are all provided with wear-resistant layers.
Preferably, one end of the first hydraulic rod is hinged with one end of the first supporting shoe through two groups of hinging components, and the other end of the first hydraulic rod is hinged with one side of the mounting frame through two groups of connecting components.
Preferably, the guard rails are symmetrically arranged on two sides of the top of the mounting frame, and the tops of the guard rails are provided with anti-skidding sleeves.
Preferably, a method for using the correction device for the TBM advancing direction deviation is as follows:
1. when the whole TBM needs to be controlled to advance, the TBM main control console controls two groups of second hydraulic rods close to one end of the TBM drill bit main body to extend until two groups of first supporting shoes connected with the TBM main control console are propped against the inner side of a tunnel, and then controls the two groups of first hydraulic rods to extend synchronously, so that the whole TBM is pushed to advance, and the sliding block slides in the sliding groove;
2. after the TBM moves forwards, two groups of second hydraulic rods far away from the TBM drill bit main body can be controlled to extend, and the other two groups of second hydraulic rods can be shortened until two groups of first supporting shoes positioned at the rear end of the TBM are propped against the inner side of the tunnel, and then the two groups of first hydraulic rods connected with the TBM are controlled to extend, so that the whole TBM is forced to retreat in the tunnel;
3. when the TBM bit main body is retracted to a proper position, the third hydraulic rod is controlled to extend until the bottom of the third supporting shoe is propped against the inner bottom of the tunnel, the two groups of fourth hydraulic rods are controlled to extend until the bottoms of the two groups of second supporting shoes are propped against the inner bottom of the tunnel, the servo motor is controlled to rotate, the limit frame is driven by the cooperation of the rack and the gear to move to one side of the TBM, one group of first hydraulic rods on one side is controlled to shorten after limiting the moving position of the limit plate, the corresponding first hydraulic rods on the other side extend, the TBM bit main body and the mounting frame rotate by a fixed angle by taking the third hydraulic rod as an axis, the limit frame limits the position of the limit plate, and the TBM bit main body and the mounting frame face the correct advancing direction again after the angle is accurately regulated;
4. when the limiting plate rotates by taking the third hydraulic rod as the axis, the limiting plate drives the rolling wheel to rotate, the angle sensor records the rotating angle of the rolling wheel, the rotating angle of the rolling wheel is transmitted to the TBM main control console for analysis, and the actual rotating angle of the TBM drill bit main body and the mounting frame is known through the TBM main control console.
Compared with the prior art, the invention provides a correction device for TBM advancing direction deviation and a use method thereof, and the correction device has the following beneficial effects:
1. according to the invention, through the matched use of the mounting frame and the correction assembly, the four groups of the first hydraulic rods, the second hydraulic rods and the first supporting shoes are matched with each other, so that the whole TBM can be driven to stably advance, and the whole TBM can be driven to stably reverse when the TBM advances in an error direction, thereby being convenient for the subsequent correction of the whole TBM on the advancing direction, and greatly improving the use effect of the whole TBM.
2. According to the invention, through the matched use of the mounting frame, the adjusting and limiting assembly, the TBM supporting frame, the hinge frame, the third supporting shoe, the third hydraulic rod, the bearing, the angle sensor, the L-shaped bracket and the rolling wheel, the rotating angle of the mounting frame is precisely limited by the adjusting and limiting assembly, then the mounting frame starts to rotate by taking the third hydraulic rod as the axis through the four groups of first hydraulic rods matched with the third supporting shoe and the third hydraulic rod until the adjusting and limiting assembly limits the mounting frame to rotate continuously, and the rotating angle of the mounting frame can be precisely known by the angle sensor, the L-shaped bracket and the rolling wheel, so that the whole TBM can precisely adjust the advancing direction.
3. According to the invention, through the matched use of the TBM drill bit main body, the mounting frame, the correcting component, the adjusting limiting component, the TBM supporting frame, the second supporting shoe, the hinge frame, the third supporting shoe, the third hydraulic rod, the bearing, the fourth hydraulic rod, the angle sensor, the L-shaped bracket and the rolling wheel, the stability of the whole TBM in the forward or backward direction of the tunnel can be greatly improved by utilizing the correcting component in the process of correcting the forward direction of the TBM drill bit main body and the mounting frame, and the stability of the TBM supporting frame can be further improved by utilizing the matched use of the second supporting shoe and the fourth hydraulic rod in the process of rotating the mounting frame, so that the normal construction of the whole TBM is ensured.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a top cross-sectional view of the present invention;
FIG. 5 is a top view of a TBM strut of the present invention;
FIG. 6 is a schematic perspective view of a spacing frame according to the present invention;
fig. 7 is an enlarged view of fig. 2 at a in accordance with the present invention.
In the figure: 1. a TBM bit body; 2. a mounting frame; 3. a correction component; 301. a first hydraulic lever; 302. a second hydraulic lever; 303. a sliding block; 304. a first stay; 305. a fixing seat; 306. a sliding groove; 4. adjusting the limiting component; 401. an arc chute; 402. a limiting frame; 403. a limiting plate; 404. a rack; 405. a servo motor; 406. a gear; 407. an arc-shaped sliding block; 5. TBM support; 6. a second stay shoe; 7. a hinge bracket; 8. a third stay; 9. a third hydraulic lever; 10. a bearing; 11. a fourth hydraulic lever; 12. an angle sensor; 13. an L-shaped bracket; 14. and rolling the wheel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a correction device for TBM direction of advance skew, including TBM drill bit main part 1, mounting bracket 2 is installed to TBM drill bit main part 1's one end, and the one end that TBM drill bit main part 1 was kept away from to mounting bracket 2 bottom articulates there is articulated frame 7, articulated frame 7's top articulates there is TBM strut 5, TBM strut 5 bottom is close to the both sides symmetry of mounting bracket 2 one end and installs fourth hydraulic stem 11, and the second that mutually supports of two sets of fourth hydraulic stem 11 props boots 6, bearing 10 is installed to the intermediate position department that mounting bracket 2 bottom is close to TBM drill bit main part 1 one end, third hydraulic stem 9 is installed to bearing 10's inboard, and third hydraulic stem 9's output is installed third and props boots 8, TBM strut 5 top is close to mounting bracket 2's one end and is provided with the regulation spacing subassembly 4, the bottom of mounting bracket 2 is provided with correction subassembly 3, L type support 13 is installed to one side that TBM strut 5 top is close to mounting bracket 2 one end, and L type support 13's interior top installs the mutually support wheel 14 with the mutual angle sensor of adjusting spacing subassembly 4, the mutual angle sensor of wheel 14 is installed to L type support 13's top.
As a preferable scheme of the present embodiment: adjust spacing subassembly 4 includes arc spout 401, spacing 402, limiting plate 403, rack 404, servo motor 405, gear 406 and arc slider 407, arc spout 401 has been seted up to the one end that TBM strut 5 top is close to mounting bracket 2, and the inside of arc spout 401 is provided with arc slider 407, spacing 402 is installed at the top of arc slider 407, spacing 403 mutually supporting with spacing 402 are installed to the one end that mounting bracket 2 is close to TBM strut 5, the bottom that spacing 402 kept away from mounting bracket 2 one end is provided with rack 404, servo motor 405 is installed to one side that TBM strut 5 top is close to mounting bracket 2 one end, and servo motor 405's output install with rack 404 intermeshing's gear 406, when mounting bracket 2 uses third hydraulic stem 9 as axle center turned angle, can restrict the turned angle of mounting bracket 2.
As a preferable scheme of the present embodiment: the correction component 3 comprises a first hydraulic rod 301, a second hydraulic rod 302, sliding blocks 303, first supporting shoes 304, a fixed seat 305 and a sliding groove 306, the sliding groove 306 is formed in the middle position of the bottom of the installation frame 2, two groups of sliding blocks 303 are arranged in the sliding groove 306, the fixed seat 305 is installed at the bottom of the two groups of sliding blocks 303, the second hydraulic rod 302 is symmetrically installed at the two sides of the fixed seat 305, the first supporting shoes 304 are installed at the output ends of the second hydraulic rod 302, the first hydraulic rods 301 are symmetrically hinged at the middle positions of the two groups of the first supporting shoes 304 at the same side, which are far away from one end, the output ends of the four groups of the first hydraulic rods 301 are respectively hinged with the two ends of the two sides of the installation frame 2, so that the whole TBM can be pushed to stably advance, the whole TBM can be driven to stably retreat, and simultaneously, the advancing angle of the TBM drill bit main body 1 and the installation frame 2 can be stably adjusted.
As a preferable scheme of the present embodiment: the auxiliary sliding groove is formed in the bottom of the TBM support 5 near one end of the mounting frame 2, an auxiliary sliding block is arranged in the auxiliary sliding groove, one end of the top of the hinge frame 7 near the TBM support 5 is hinged to the bottom of the auxiliary sliding block, and connection between the mounting frame 2 and the TBM support 5 can be prevented from being affected when the mounting frame 2 rotates.
As a preferable scheme of the present embodiment: the both sides of limiting plate 403 are provided with the anticollision board, and the interior bilateral symmetry of limiting frame 402 is provided with the rubber pad that mutually supports with the anticollision board, avoids limiting plate 403 pivoted in-process to bump the damage with the limiting frame 402 inboard.
As a preferable scheme of the present embodiment: the staircase is installed to the one end symmetry that is close to TBM drill bit main part 1 in mounting bracket 2 both sides, and the staircase is the arc structure, and the operating personnel of being convenient for steps on the top of mounting bracket 2 from the bottom in the tunnel.
Example two
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a correction device for TBM direction of advance skew, including TBM drill bit main part 1, mounting bracket 2 is installed to TBM drill bit main part 1's one end, and the one end that TBM drill bit main part 1 was kept away from to mounting bracket 2 bottom articulates there is articulated frame 7, articulated frame 7's top articulates there is TBM strut 5, TBM strut 5 bottom is close to the both sides symmetry of mounting bracket 2 one end and installs fourth hydraulic stem 11, and the second that mutually supports of two sets of fourth hydraulic stem 11 props boots 6, bearing 10 is installed to the intermediate position department that mounting bracket 2 bottom is close to TBM drill bit main part 1 one end, third hydraulic stem 9 is installed to bearing 10's inboard, and third hydraulic stem 9's output is installed third and props boots 8, TBM strut 5 top is close to mounting bracket 2's one end and is provided with the regulation spacing subassembly 4, the bottom of mounting bracket 2 is provided with correction subassembly 3, L type support 13 is installed to one side that TBM strut 5 top is close to mounting bracket 2 one end, and L type support 13's interior top installs the mutually support wheel 14 with the mutual angle sensor of adjusting spacing subassembly 4, the mutual angle sensor of wheel 14 is installed to L type support 13's top.
As a preferable scheme of the present embodiment: adjust spacing subassembly 4 includes arc spout 401, spacing 402, limiting plate 403, rack 404, servo motor 405, gear 406 and arc slider 407, arc spout 401 has been seted up to the one end that TBM strut 5 top is close to mounting bracket 2, and the inside of arc spout 401 is provided with arc slider 407, spacing 402 is installed at the top of arc slider 407, spacing 403 mutually supporting with spacing 402 are installed to the one end that mounting bracket 2 is close to TBM strut 5, the bottom that spacing 402 kept away from mounting bracket 2 one end is provided with rack 404, servo motor 405 is installed to one side that TBM strut 5 top is close to mounting bracket 2 one end, and servo motor 405's output install with rack 404 intermeshing's gear 406, when mounting bracket 2 uses third hydraulic stem 9 as axle center turned angle, can restrict the turned angle of mounting bracket 2.
As a preferable scheme of the present embodiment: the correction component 3 comprises a first hydraulic rod 301, a second hydraulic rod 302, sliding blocks 303, first supporting shoes 304, a fixed seat 305 and a sliding groove 306, the sliding groove 306 is formed in the middle position of the bottom of the installation frame 2, two groups of sliding blocks 303 are arranged in the sliding groove 306, the fixed seat 305 is installed at the bottom of the two groups of sliding blocks 303, the second hydraulic rod 302 is symmetrically installed at the two sides of the fixed seat 305, the first supporting shoes 304 are installed at the output ends of the second hydraulic rod 302, the first hydraulic rods 301 are symmetrically hinged at the middle positions of the two groups of the first supporting shoes 304 at the same side, which are far away from one end, the output ends of the four groups of the first hydraulic rods 301 are respectively hinged with the two ends of the two sides of the installation frame 2, so that the whole TBM can be pushed to stably advance, the whole TBM can be driven to stably retreat, and simultaneously, the advancing angle of the TBM drill bit main body 1 and the installation frame 2 can be stably adjusted.
As a preferable scheme of the present embodiment: the auxiliary sliding groove is formed in the bottom of the TBM support 5 near one end of the mounting frame 2, an auxiliary sliding block is arranged in the auxiliary sliding groove, one end of the top of the hinge frame 7 near the TBM support 5 is hinged to the bottom of the auxiliary sliding block, and connection between the mounting frame 2 and the TBM support 5 can be prevented from being affected when the mounting frame 2 rotates.
As a preferable scheme of the present embodiment: the both sides of limiting plate 403 are provided with the anticollision board, and the interior bilateral symmetry of limiting frame 402 is provided with the rubber pad that mutually supports with the anticollision board, avoids limiting plate 403 pivoted in-process to bump the damage with the limiting frame 402 inboard.
As a preferable scheme of the present embodiment: the staircase is installed to the one end symmetry that is close to TBM drill bit main part 1 in mounting bracket 2 both sides, and the staircase is the arc structure, and the operating personnel of being convenient for steps on the top of mounting bracket 2 from the bottom in the tunnel.
As a preferable scheme of the present embodiment: the semicircular structure is jointly formed by the two groups of second supporting shoes 6, and the wear-resistant layers are arranged on the outer sides of the correcting assembly 3, the second supporting shoes 6 and the third supporting shoes 8, so that the stability of the whole TBM is improved by being matched with the inner side of a tunnel.
As a preferable scheme of the present embodiment: one end of the first hydraulic rod 301 is hinged with one end of the first supporting shoe 304 through two groups of hinging pieces, and the other end of the first hydraulic rod 301 is hinged with one side of the mounting frame 2 through two groups of connecting pieces, so that the connection of the two ends of the first hydraulic rod 301 in the stretching process is more flexible, and the normal stretching of the first hydraulic rod 301 is avoided.
As a preferable scheme of the present embodiment: guard rails are symmetrically arranged on two sides of the top of the mounting frame 2, and anti-skidding sleeves are arranged on the top of the guard rails, so that operators at the top of the mounting frame 2 are prevented from accidentally falling from the top of the mounting frame 2.
As a preferable scheme of the present embodiment: the application method of the correction device for TBM forward direction deviation comprises the following steps:
1. when the whole TBM needs to be controlled to advance, firstly controlling two groups of second hydraulic rods 302 close to one end of the TBM drill bit main body 1 to extend through a TBM main control console until two groups of first supporting shoes 304 connected with the second hydraulic rods are propped against the inner side of a tunnel, then controlling the two groups of first hydraulic rods 301 to extend synchronously, so as to push the whole TBM to advance, and sliding blocks 303 slide in sliding grooves 306;
2. after the TBM moves forward, two groups of second hydraulic rods 302 far away from the TBM drill bit main body 1 can be controlled to extend, and the other two groups of second hydraulic rods 302 can be shortened until two groups of first supporting shoes 304 at the rear end of the TBM are propped against the inner side of the tunnel, and then two groups of first hydraulic rods 301 connected with the TBM are controlled to extend, so that the whole TBM is forced to retreat in the tunnel;
3. when the TBM bit body 1 is retracted to a proper position, the third hydraulic rod 9 is controlled to extend until the bottom of the third supporting shoe 8 is propped against the inner bottom of the tunnel, the two groups of fourth hydraulic rods 11 are controlled to extend until the bottoms of the two groups of second supporting shoes 6 are propped against the inner bottom of the tunnel, the servo motor 405 is controlled to rotate, the limit frame 402 is driven by the cooperation of the rack 404 and the gear 406 to move towards one side of the TBM, the limit plate 403 is limited in moving position, the first hydraulic rods 301 on one side are controlled to shorten, the first hydraulic rods 301 on the other side are correspondingly extended, the TBM bit body 1 and the mounting frame 2 rotate by a fixed angle by taking the third hydraulic rod 9 as an axis, and the limit frame 402 limits the position of the limit plate 403, so that the TBM bit body 1 and the mounting frame 2 face the correct advancing direction again after the angle is accurately adjusted;
4. when the limiting plate 403 rotates with the third hydraulic rod 9 as the axis, the limiting plate 403 drives the rolling wheel 14 to rotate, the angle sensor 12 records the rotating angle of the rolling wheel 14, and the rotating angle of the rolling wheel 14 is transmitted to the TBM main control console for analysis, and the actual rotating angle of the TBM drill bit main body 1 and the mounting frame 2 is known through the TBM main control console.
Working principle: when the device is required to be controlled to advance, two groups of second hydraulic rods 302 close to one end of the TBM drill bit main body 1 are controlled to extend through a TBM main control console until two groups of first supporting shoes 304 connected with the second hydraulic rods are propped against the inner side of a tunnel, then the two groups of first hydraulic rods 301 are controlled to extend synchronously, so that the whole TBM is pushed to advance, the sliding block 303 slides in the sliding groove 306, after the whole TBM advances, the two groups of second hydraulic rods 302 far away from the TBM drill bit main body 1 are controlled to extend, and the other two groups of second hydraulic rods 302 are shortened until the two groups of first supporting shoes 304 at the rear end of the TBM are propped against the inner side of the tunnel, and then the two groups of first hydraulic rods 301 connected with the two groups of first supporting shoes are controlled to extend, so that the whole TBM is forced to retreat in the tunnel; when the TBM bit main body 1 is retracted to a proper position, the third hydraulic rod 9 is controlled to extend until the bottom of the third supporting shoe 8 is propped against the inner bottom of the tunnel, so that the mounting frame 2 is supported, the two groups of fourth hydraulic rods 11 are controlled to extend until the bottoms of the two groups of second supporting shoes 6 are propped against the inner bottom of the tunnel, the TBM supporting frame 5 is supported, the stability of the TBM supporting frame 5 is ensured, then the servo motor 405 is controlled to rotate, the limit frame 402 is driven by the cooperation of the rack 404 and the gear 406 to move to one side of the TBM, the movement position of the limit plate 403 is limited, one group of first hydraulic rods 301 is controlled to shorten, the corresponding first hydraulic rods 301 on the other side are extended, the TBM bit main body 1 and the mounting frame 2 rotate by a fixed angle by taking the third hydraulic rod 9 as an axis, and the limit frame 402 limits the position of the limit plate 403, so that the TBM bit main body 1 and the mounting frame 2 are enabled to accurately adjust the angle and then to face the correct forward direction again; and when the limiting plate 403 rotates with the third hydraulic rod 9 as the axis, the limiting plate 403 drives the rolling wheel 14 to rotate, the angle sensor 12 is used for recording the rotating angle of the rolling wheel 14, the rotating angle of the rolling wheel 14 is transmitted to the TBM main control console for analysis, and the actual rotating angle of the TBM drill bit main body 1 and the mounting frame 2 is known through the TBM main control console, so that the accuracy of the advancing direction of the TBM drill bit main body 1 is ensured.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. Correction device for TBM advancing direction offset, comprising a TBM bit body (1), characterized in that: the utility model discloses a TBM drill bit, including TBM drill bit main part (1), mounting bracket (2) are installed to one end of TBM drill bit main part (1), and one end that TBM drill bit main part (1) was kept away from to mounting bracket (2) bottom articulates has articulated frame (7), the top of articulated frame (7) articulates there is TBM strut (5), the both sides symmetry that TBM strut (5) bottom is close to mounting bracket (2) one end is installed fourth hydraulic stem (11), and the second that mutually support boots (6) are installed to the output of two sets of fourth hydraulic stem (11), bearing (10) are installed to intermediate position department that mounting bracket (2) bottom is close to TBM drill bit main part (1) one end, third hydraulic stem (9) are installed to the inboard of bearing (10), and third hydraulic stem (8) are installed to the output of third hydraulic stem (9), the one end that TBM strut (5) top is close to mounting bracket (2) is provided with regulation spacing subassembly (4), the bottom of mounting bracket (2) is provided with correction subassembly (3), one side that TBM strut (5) top is close to one side (2) L type bracket (13) and the internal-mounted with spacing type bracket (13) of mutually supporting roller (13), an angle sensor (12) matched with the rolling wheel (14) is arranged at the top of the L-shaped bracket (13);
the adjusting limiting assembly (4) comprises an arc chute (401), a limiting frame (402), a limiting plate (403), a rack (404), a servo motor (405), a gear (406) and an arc sliding block (407), wherein the arc chute (401) is formed in one end, close to the mounting frame (2), of the top of the TBM supporting frame (5), the arc sliding block (407) is arranged in the arc chute (401), the limiting frame (402) is arranged at the top of the arc sliding block (407), the limiting plate (403) matched with the limiting frame (402) is arranged at one end, close to the TBM supporting frame (5), of the mounting frame (2), the rack (404) is arranged at the bottom, far away from one end of the mounting frame (2), of the top of the TBM supporting frame (5), the servo motor (405) is arranged on one side, close to one end of the mounting frame (2), of the top of the TBM supporting frame (5), and the gear (406) is arranged at the output end of the servo motor (405).
Correction subassembly (3) are including first hydraulic stem (301), second hydraulic stem (302), slider (303), first prop boots (304), fixing base (305) and sliding tray (306), sliding tray (306) have been seted up in intermediate position department of mounting bracket (2) bottom, and the inside of sliding tray (306) is provided with two sets of sliders (303), two sets of fixing base (305) are installed to the bottom of slider (303), second hydraulic stem (302) are installed to the bilateral symmetry of fixing base (305), and first prop boots (304) are installed to the output of second hydraulic stem (302), and same one side two sets of first prop boots (304) are kept away from the intermediate position department symmetry of one end each other and are articulated first hydraulic stem (301), four sets of the output of first hydraulic stem (301) are articulated with the both ends on mounting bracket (2) both sides respectively.
2. A correction device for TBM advancing direction offset as defined in claim 1, wherein: the auxiliary sliding chute is formed in the bottom of the TBM support frame (5) and close to one end of the mounting frame (2), an auxiliary sliding block is arranged in the auxiliary sliding chute, and one end of the top of the hinge frame (7) close to the TBM support frame (5) is hinged to the bottom of the auxiliary sliding block.
3. A correction device for TBM advancing direction offset according to claim 2, characterized in that: anti-collision plates are arranged on two sides of the limiting plate (403), and rubber pads matched with the anti-collision plates are symmetrically arranged on two inner sides of the limiting frame (402).
4. A correction device for TBM advance direction offset as claimed in claim 3, characterized in that: the escalator is symmetrically arranged at one end, close to the TBM bit main body (1), of two sides of the mounting frame (2), and is of an arc-shaped structure.
5. A correction device for TBM advancing direction offset as defined in claim 4, wherein: the two groups of second supporting shoes (6) jointly form a semicircular structure, and wear-resistant layers are arranged on the outer sides of the correcting assembly (3), the second supporting shoes (6) and the third supporting shoes (8).
6. A correction device for TBM advance direction offset as defined in claim 5 wherein: one end of the first hydraulic rod (301) is hinged with one end of the first supporting shoe (304) through two groups of hinging pieces, and the other end of the first hydraulic rod (301) is hinged with one side of the mounting frame (2) through two groups of connecting pieces.
7. A correction device for TBM advance direction offset as defined in claim 6 wherein: guard rails are symmetrically arranged on two sides of the top of the mounting frame (2), and anti-skid sleeves are arranged on the top of the guard rails.
8. A method of using a correction device for TBM advance direction offset according to claim 7, comprising:
1. when the whole TBM needs to be controlled to advance, the TBM main control console controls the extension of two groups of second hydraulic rods (302) close to one end of the TBM drill bit main body (1) until two groups of first supporting shoes (304) connected with the TBM main control console are propped against the inner side of a tunnel, and then controls the synchronous extension of the two groups of first hydraulic rods (301), so that the whole TBM is pushed to advance, and the sliding block (303) slides in the sliding groove (306);
2. after the TBM moves forwards, the two groups of second hydraulic rods (302) far away from the TBM drill bit main body (1) can be controlled to extend, the other two groups of second hydraulic rods (302) can be shortened until the two groups of first supporting shoes (304) at the rear end of the TBM are propped against the inner side of the tunnel, and then the two groups of first hydraulic rods (301) connected with the TBM are controlled to extend, so that the whole TBM is forced to retreat in the tunnel;
3. when the TBM bit main body (1) is retracted to a proper position, the third hydraulic rod (9) is controlled to extend until the bottom of the third supporting shoe (8) is propped against the inner bottom of the tunnel, the two groups of fourth hydraulic rods (11) are controlled to extend until the bottoms of the two groups of second supporting shoes (6) are propped against the inner bottom of the tunnel, the servo motor (405) is controlled to rotate, the limit frame (402) is driven by the cooperation of the rack (404) and the gear (406) to move towards one side of the TBM, one group of first hydraulic rods (301) on one side is controlled to shorten after the movement position of the limit plate (403) is limited, the corresponding first hydraulic rods (301) on the other side are extended, the TBM bit main body (1) and the mounting frame (2) rotate by a fixed angle by taking the third hydraulic rod (9) as an axis, and the limit frame (402) limits the position of the limit plate (403), and the TBM bit main body (1) and the mounting frame (2) are enabled to accurately adjust the angle and then face the correct advancing direction;
4. when the limiting plate (403) rotates by taking the third hydraulic rod (9) as the axis, the limiting plate (403) drives the rolling wheel (14) to rotate, the angle sensor (12) records the rotating angle of the rolling wheel (14), the rotating angle of the rolling wheel (14) is transmitted to the TBM main control console for analysis, and the actual rotating angle of the TBM drill bit main body (1) and the mounting frame (2) is known through the TBM main control console.
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| CN202110401257.8A CN113202484B (en) | 2021-04-14 | 2021-04-14 | Correction device for TBM advancing direction deviation and use method thereof |
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| CN202110401257.8A CN113202484B (en) | 2021-04-14 | 2021-04-14 | Correction device for TBM advancing direction deviation and use method thereof |
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