CN115949422B - Large-dip-angle small-turning-radius circular full-section modularized heading machine - Google Patents
Large-dip-angle small-turning-radius circular full-section modularized heading machine Download PDFInfo
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- CN115949422B CN115949422B CN202211723947.6A CN202211723947A CN115949422B CN 115949422 B CN115949422 B CN 115949422B CN 202211723947 A CN202211723947 A CN 202211723947A CN 115949422 B CN115949422 B CN 115949422B
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- 230000007246 mechanism Effects 0.000 claims abstract description 61
- 230000005641 tunneling Effects 0.000 claims abstract description 56
- 239000011435 rock Substances 0.000 claims abstract description 54
- 239000002893 slag Substances 0.000 claims abstract description 15
- 230000008602 contraction Effects 0.000 claims description 12
- 238000005553 drilling Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 8
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- LLJRXVHJOJRCSM-UHFFFAOYSA-N 3-pyridin-4-yl-1H-indole Chemical compound C=1NC2=CC=CC=C2C=1C1=CC=NC=C1 LLJRXVHJOJRCSM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
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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
- 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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- 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a large-dip-angle small-turning-radius circular full-section modularized heading machine, which comprises: the tunneling mechanism is used for tunneling the tunnel face; the supporting mechanism is used for supporting the tunnel surrounding rock after the tunneling is completed; the equipment trolleys are used for walking in a tunnel of the heading machine; conveying mechanism, including a plurality of conveying unit that independently distribute, all arranged a set of conveying unit on every group's equipment dolly, every group conveying unit includes: the device comprises an inclined conveying section, a horizontal conveying section and an adjusting mechanism, wherein the horizontal conveying section is arranged at the tail end of the inclined conveying section, and the adjusting mechanism is hinged between the inclined conveying section and the horizontal conveying section and is used for adjusting the inclination angle of the inclined conveying section so as to adapt to the conveying requirements of rock slag with different weights. The invention has the advantages of sufficient rock breaking capacity, high tunneling efficiency, good tunnel forming quality and simple structure, and can ensure continuous transportation of rock slag when the tunneling machine turns right angle or tunnels with a large inclination angle.
Description
Technical Field
The invention relates to the technical field of roadway tunneling equipment, in particular to a large-dip-angle small-turning-radius circular full-section modularized tunneling machine.
Background
A full-face heading machine (TBM) is underground engineering equipment integrating mechanical, hydraulic, electronic, laser guiding and sensing technologies, can realize efficient rock breaking, continuous slag discharging, rapid supporting, ventilation and dust removal, and synchronous operation of multiple procedures of water supply and drainage, and has the advantages of safety, high efficiency, environmental protection, high comprehensive benefit and the like. The TBM system comprises a cutterhead tunneling system, a conveying system, a supporting system, an exploration system and a corresponding supporting system, wherein in the TBM tunneling process, the cutterhead tunneling system is responsible for breaking rock mass of a tunnel face, the conveying system is responsible for transporting broken rock out, the supporting system is responsible for timely supporting formed surrounding rock, and the exploration system is responsible for exploration of geological conditions in front periodically.
At present, TBM is mainly used for tunnel construction, tunnel formation is mostly linear or large-radius curve, so that the traditional tunnel TBM does not need to break through small-radius turning and large-inclination tunneling technology, coal roadway tunneling is used for subsequent coal mining, and therefore, the coal roadway forming characteristics are different from those of tunnels, and the formation is mostly small-radius curve, so that the technical problems of small-radius turning and large-inclination tunneling are overcome when TBM is used for coal roadway tunneling, and the technical problems are solved, namely the two technical difficulties are needed to be solved: TBM small radius turning tunneling problem, TBM small radius turning rock slag continuous conveying problem.
In view of the above, there is a need for improvements in the heading machines of the prior art to address the above-described problems.
Disclosure of Invention
The invention aims to disclose a large-dip-angle small-turning-radius circular full-section modularized heading machine, so as to solve the problems, and provides a small-diameter right-angle turning large-dip-angle modularized heading machine which is sufficient in rock breaking capacity, high in heading efficiency, good in roadway forming quality, simple in structure and easy to use.
In order to achieve the above object, the present invention provides a large-inclination small-turning-radius circular full-section modular heading machine, comprising:
the tunneling mechanism is positioned at the front end of the tunneling machine and used for tunneling the tunnel face rock face;
the supporting mechanism is positioned below the tail shield of the heading machine and used for supporting the tunnel surrounding rock after the heading is completed;
the multiple groups of equipment trolleys are connected with each other through a universal joint mechanism and are used for traveling in a tunnel of the heading machine;
conveying mechanism, including a plurality of independent distribution's conveying unit, every group all arrange a set of conveying unit on the equipment dolly, every group conveying unit includes: the device comprises an inclined conveying section, a horizontal conveying section and an adjusting mechanism, wherein the horizontal conveying section is arranged at the tail end of the inclined conveying section, and the adjusting mechanism is hinged between the inclined conveying section and the horizontal conveying section and is used for adjusting the inclination angle of the inclined conveying section so as to adapt to the conveying requirements of rock slag with different weights;
the hopper is arranged at the front end of each group of inclined conveying sections and is right opposite to the lower part of the tail end of the horizontal conveying section of the adjacent conveying unit;
the conveying mechanism can ensure continuous transportation of rock slag when the heading machine makes a right angle turn or heading with a large inclination angle.
As a further improvement of the present invention, the tunneling mechanism includes:
the cutter head is used for cutting the tunnel face rock face;
the cutter head driving device is used for driving tunneling work of the cutter head;
the cutterhead pushing device is arranged at the rear end of the cutterhead driving device and is used for pushing a cutterhead of the heading machine to move forwards and turn;
the cutterhead advancing device includes:
a main beam frame arranged on a frame of the heading machine,
the two-way telescopic supporting component is fixedly arranged on the main beam frame, the two ends of the two-way telescopic supporting component are symmetrical and are respectively provided with telescopic parts which are reversely movably telescopic towards the rock wall at the inner side of the roadway, the outer ends of the telescopic parts are fixedly provided with supporting parts,
the propelling telescopic components are provided with a plurality of groups, are symmetrically arranged on two sides of the main beam frame and are positioned between the supporting part and the cutterhead driving device, and two ends of the propelling telescopic components are respectively in flexible connection with the supporting part and the driving device through universal hinge bases;
the supporting part is tightly supported on the roadway rock wall under the action of the movable expansion and contraction of the expansion and contraction part so as to correct the tunneling angle of the cutterhead, and the tunneling direction of the cutterhead is adjusted by controlling the expansion and contraction amount of each group of the pushing and contraction components.
As a further improvement of the present invention, the support mechanism includes:
the round sliding rail is fixedly arranged on the main beam frame,
the sliding block seat is assembled on the circular sliding rail and is provided with a power assembly for driving the sliding block seat to slide along the track direction of the circular sliding rail;
the anchor rod mechanism is arranged on the sliding block seat and used for drilling surrounding rock of a roadway;
the anchor rod mechanism is driven by the sliding block seat, so that the anchor rod mechanism can support in the surrounding rock of the roadway at any angle.
As a further improvement of the invention, an annular gear is arranged on the inner side of the circular slide rail, the power component is a servo motor, a driving gear meshed with the annular gear is arranged on an output shaft of the servo motor, and the sliding block seat is driven by the servo motor to slide on the circular slide rail.
As a further improvement of the invention, the universal hinge support is a ball hinge.
As a further improvement of the invention, the bidirectional telescopic supporting component is a supporting hydraulic cylinder, and the cylinder body of the supporting hydraulic cylinder is fixed on the main beam frame;
the propelling telescopic component is a propelling hydraulic cylinder.
As a further improvement of the invention, two slide blocks are arranged, the anchor rod mechanism is provided with two groups of anchor rod units, and the anchor rod units are respectively arranged on the two slide blocks and are symmetrically arranged in a V shape.
As a further improvement of the present invention, the conveying unit is a folding belt conveying device, comprising:
a support frame arranged on the equipment trolley;
the carrier rollers are arranged at intervals and are all rotatably arranged on the support frame;
a driving roller arranged at the tail end of the supporting frame,
the conveying belt is supported on the carrier roller and the driving roller;
the conveying driving motor is arranged at the tail end of the horizontal conveying section and is in transmission connection with the driving roller so as to drive the conveying belt to drive;
and the dust cover is arranged on the supporting frame and used for reducing ore dust in the transportation process.
The invention also discloses a tunneling method of the large-dip-angle small-turning-radius circular full-section modularized tunneling machine, which comprises the following steps of:
s1, driving the supporting part to be close to a rock wall through the bidirectional telescopic supporting component in the tunneling working process of the tunneling mechanism, correcting the tunneling direction of the cutterhead, counteracting the directional force generated by the rock breaking of the cutterhead hob through the friction force generated by clamping, and utilizing the friction force generated between the shield and the roadway surrounding rock to push the cutterhead forward by utilizing the pushing telescopic component, and adjusting the tunneling direction of the cutterhead;
s2, the sliding block seat slides on the circular sliding rail under the drive of the power assembly, and the anchor rod mechanism performs 360-degree drilling support on the rock wall;
s3, adjusting the inclination angle of the inclined conveying section through an adjusting mechanism so as to meet the conveying requirements of rock slag with different weights.
Compared with the prior art, the invention has the beneficial effects that:
(1) A cutter head propelling device of a large-dip-angle small-turning-radius circular full-section modularized heading machine uses a plurality of groups of propelling telescopic assemblies, two ends of each group of propelling telescopic assemblies are flexibly connected with a supporting part and a driving device through spherical hinges respectively, the bidirectional telescopic supporting assemblies can be self-calibrated after rotating and sliding, and meanwhile, the heading machine can heading towards any direction by reasonably controlling the displacement of each group of propelling telescopic assemblies.
(2) The conveying mechanism of the heading machine adopts a plurality of conveying units which are independently distributed, each group of conveying units are mutually independent and do not contact, and the continuous conveying of rock slag can be still ensured when the heading machine is in right-angle turning or large-inclination heading by arranging a hopper, and meanwhile, each group of conveying units comprises: the device comprises an inclined conveying section, a horizontal conveying section and an adjusting mechanism, wherein the adjusting mechanism is connected between the inclined conveying section and the horizontal conveying section in a hinged mode so as to adjust the inclination angle of the inclined conveying section to meet the conveying requirements of rock slag with different weights.
(3) The supporting mechanism of the heading machine adopts a rotary type jumbolter device, the device uses a group of anchor rod units which are symmetrically arranged in a V shape, and a sector sliding block seat can slide on a circular sliding rail by controlling a servo motor, so that the symmetrical anchor rod drill units can drill and anchor rod support the rock wall by 360 degrees.
Drawings
FIG. 1 is a schematic three-dimensional structure of a large-dip-angle small-turning-radius circular full-section modular heading machine;
FIG. 2 is a schematic diagram of a conveying unit in a large-dip-angle small-turning-radius circular full-face modular heading machine;
FIG. 3 is a schematic diagram of the tunneling mechanism in the large-dip-angle small-turning-radius circular full-face modular tunneling machine;
FIG. 4 is a schematic structural view of a cutterhead propulsion device in a large-dip-angle small-turning-radius circular full-section modular heading machine;
FIG. 5 is a schematic view of the support mechanism in the large-dip-angle small-turning-radius circular full-face modular heading machine;
FIG. 6 is a schematic diagram of the large-dip-angle small-turning-radius circular full-section modular heading machine working during large-dip-angle tunneling;
FIG. 7 is a schematic diagram of the large-dip-angle small-turning-radius circular full-face modular heading machine working in a right angle turn.
In the figure: 1. a tunneling mechanism; 2. a support mechanism; 3. an equipment trolley; 4. a conveying mechanism; 5. an advanced drilling apparatus; 11. a cutterhead; 12. a cutterhead driving device; 13. a cutterhead propulsion device; 21. a circular slide rail; 22. a slider seat; 23. an anchor rod mechanism; 41. an inclined conveying section; 42. a horizontal conveying section; 43. an adjusting mechanism; 44. a hopper; 45. a conveying driving motor; 131. a main beam frame; 132. a bi-directional telescoping support assembly; 133. a support part; 134. advancing the telescoping assembly; 135. a fixing seat; 211. an inner gear ring; 221. a power assembly.
Detailed Description
The present invention will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the present invention, and functional, method, or structural equivalents and alternatives according to the embodiments are within the scope of protection of the present invention by those skilled in the art.
Referring to fig. 1 to 7, there is shown an embodiment of a large-dip small-turning-radius circular full-face modular heading machine of the present invention.
Referring to fig. 1-2, a large-dip small-turning-radius circular full-face modular heading machine includes: the tunneling mechanism 1 is positioned at the front end of the tunneling machine and is used for tunneling the tunnel face rock face; the supporting mechanism 2 is positioned below the tail shield of the heading machine and is used for supporting the tunnel surrounding rock after the heading is completed; the plurality of groups of equipment trolleys 3 are connected with each other through a universal joint mechanism and are used for the roadway travel of the heading machine; the conveying mechanism 4 comprises a plurality of conveying units which are distributed independently, a group of conveying units are arranged on each group of equipment trolleys 3, and each group of conveying units comprises: the device comprises an inclined conveying section 41, a horizontal conveying section 42 and an adjusting mechanism 43, wherein the horizontal conveying section 42 is arranged at the tail end of the inclined conveying section 41, and the adjusting mechanism 43 is hinged between the inclined conveying section 41 and the horizontal conveying section 42 and is used for adjusting the inclination angle of the inclined conveying section 41 so as to adapt to the conveying requirements of rock slag with different weights; a hopper 44 disposed at the front end of each group of inclined conveying sections 41, just below the end of the horizontal conveying section 42 of the adjacent conveying unit; referring to fig. 6-7, the conveying mechanism 4 can ensure continuous transportation of rock slag when the heading machine makes a right angle turn or heading with a large inclination angle.
The conveying unit is a folding belt conveying device, and comprises: a support frame arranged on the equipment trolley 3; the carrier rollers are arranged at intervals and are all rotatably arranged on the support frame; the driving roller is arranged at the tail end of the supporting frame, and the conveying belt is supported on the carrier roller and the driving roller; a conveying driving motor 45 which is arranged at the tail end of the horizontal conveying section 42 and is in transmission connection with the driving roller so as to drive the conveying belt to drive; the dust cover is installed on the support frame, alleviates the ore dust in the transportation, avoids rock slag to drop simultaneously.
Specifically, conveying mechanism 4 comprises three folding belt conveyor, and folding belt conveyor can a plurality of uses, and extension conveying distance, folding belt conveyor independently distributes, adopts funnel and horizontal conveying section 42 and the high cooperation of slope conveying section 41, can realize the continuous transportation at turning section and big inclination section, has overcome the tunnel and has turned the tunnelling or the big inclination tunnelling, can't effectively transport rock's problem.
Referring to fig. 3 to 4, the tunneling mechanism 1 includes: the cutterhead 11 is used for cutting tunnel face rock faces; the cutterhead driving device 12 is used for driving tunneling work of the cutterhead; the cutterhead pushing device 13 is arranged at the rear end of the cutterhead driving device 12 and is used for pushing the cutterhead 11 of the heading machine to move forwards and turn; the cutterhead advancing device 13 includes: the main beam frame 131 is arranged on a frame of the heading machine, the bidirectional telescopic supporting component 132 is fixedly arranged on the main beam frame 131, two symmetrical ends are respectively provided with telescopic parts which are reversely movably telescopic towards the rock wall at the inner side of the roadway, and the outer ends of the telescopic parts are fixedly provided with supporting parts 133; the propelling telescopic components 134 are provided with a plurality of groups, are symmetrically arranged on two sides of the main beam frame 131 and are positioned between the supporting part 133 and the cutterhead driving device 12, and two ends of the propelling telescopic components 134 are respectively in flexible connection with the supporting part 133 and the driving device through universal hinged supports; the supporting part 133 is closely supported on the roadway rock wall under the movable expansion and contraction of the expansion and contraction part so as to correct the tunneling angle of the cutterhead 11, and the tunneling direction of the cutterhead 11 is adjusted by controlling the expansion and contraction amount of each group of the pushing and contraction components 134. The universal hinged support is a ball hinge. The bidirectional telescopic supporting component 132 is a supporting hydraulic cylinder, and a cylinder body of the supporting hydraulic cylinder is fixed on the main beam frame 131; the propulsion retraction assembly 134 is a propulsion hydraulic ram.
Specifically, the bidirectional telescopic supporting component 132 is a supporting hydraulic cylinder, and is provided with two groups of piston rods which are used for reverse telescopic, the supporting hydraulic cylinder body is fixedly arranged on the main beam frame 131, the supporting part 133 is a supporting shoe, the piston rod ends are connected with the supporting shoe, the pushing telescopic component 134 is a pushing hydraulic cylinder and is provided with four groups, the pushing hydraulic cylinders are symmetrically distributed in pairs, the rear end of the cutterhead driving device 12 is fixedly connected with the fixing seat 135 through bolts, and the cylinder body and the piston end of the pushing hydraulic cylinder are respectively connected with the supporting shoe and the fixing seat 135 through spherical hinges; in the TBM tunneling process, the supporting hydraulic cylinders are driven to enable the supporting shoes to be tightly attached to the rock wall, the direction force generated when the hob breaks the rock and the friction force generated between the shield and the surrounding rock are counteracted through friction force generated by clamping, and then the four groups of pushing hydraulic cylinders are driven to push the cutterhead driving device 12 to move forwards and turn, so that the tunneling process is completed.
As shown in fig. 5, the support mechanism 2 includes: the circular slide rail 21 is fixedly arranged on the main beam frame 131; a slider seat 22 mounted on the circular slide rail 21 and provided with a power assembly 221 for driving the slider seat 22 to slide along the track direction of the circular slide rail 21; the anchor rod mechanism 23 is arranged on the slide block seat 22 and is used for drilling surrounding rock of a roadway; the anchor rod mechanism 23 can support in the surrounding rock of the roadway at any angle by being driven by the slide block seat 22. An inner gear ring 211 is arranged on the inner side of the circular slide rail 21, a power component 221 is a servo motor, a driving gear meshed with the inner gear ring 211 is arranged on an output shaft of the servo motor, and a slide block seat 22 is driven by the servo motor to slide on the circular slide rail 21. The two slide blocks 22 are arranged, and the anchor rod mechanism 23 is provided with two groups of anchor rod units, is respectively arranged on the two slide blocks 22 and is symmetrically arranged in a V shape.
The heading machine also comprises an exploration system which consists of an advanced drilling device 5, wherein the device comprises a drilling machine frame, a drilling motor, a clamping and pushing hydraulic cylinder and an advanced detection drill rod; the advanced drilling device 5 is arranged on the equipment trolley 3 behind the tail shield of the heading machine; when the tunneling machine cutterhead 11 stops tunneling rotation, the detection motor controls the advanced detection drill rod to extend out of the surface drilling holes of the cutterhead 11 to drill the front rock mass, so that front geological condition exploration is realized.
The invention also discloses a tunneling method of the large-dip-angle small-turning-radius circular full-section modularized tunneling machine, which comprises the following steps of: s1, driving the supporting part 133 to be tightly attached to a rock wall through the bidirectional telescopic supporting component 132 in the tunneling working process of the tunneling mechanism 1, correcting the tunneling direction of the cutterhead 11, counteracting the directional force generated by the hob breaking of the cutterhead 11 and the friction force generated between a shield and a roadway surrounding rock through the friction force generated by clamping, pushing the cutterhead 11 forward by utilizing the pushing telescopic component 134, and adjusting the tunneling direction of the cutterhead 11; s2, the sliding block seat 22 slides along the circular sliding rail 21 under the drive of the power component 221, and the anchor rod mechanism 23 performs 360-degree drilling support on the rock wall; s3, adjusting the inclination angle of the inclined conveying section 41 through the adjusting mechanism 43 so as to adapt to the conveying requirements of rock slag with different weights.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a big inclination is little turning radius circular full face modularization entry driving machine which characterized in that includes:
the tunneling mechanism is positioned at the front end of the tunneling machine and used for tunneling the tunnel face rock face;
the supporting mechanism is positioned below the tail shield of the heading machine and used for supporting the tunnel surrounding rock after the heading is completed;
the multiple groups of equipment trolleys are connected with each other through a universal joint mechanism and are used for traveling in a tunnel of the heading machine;
conveying mechanism, including a plurality of independent distribution's conveying unit, every group all arrange a set of conveying unit on the equipment dolly, every group conveying unit includes: the device comprises an inclined conveying section, a horizontal conveying section and an adjusting mechanism, wherein the horizontal conveying section is arranged at the tail end of the inclined conveying section, and the adjusting mechanism is hinged between the inclined conveying section and the horizontal conveying section and is used for adjusting the inclination angle of the inclined conveying section so as to adapt to the conveying requirements of rock slag with different weights;
the hopper is arranged at the front end of each group of inclined conveying sections and is right opposite to the lower part of the tail end of the horizontal conveying section of the adjacent conveying unit;
the conveying mechanism can ensure continuous transportation of rock slag when the heading machine turns right angle or heading with a large inclination angle;
the tunneling mechanism comprises:
the cutter head is used for cutting the tunnel face rock face;
the cutter head driving device is used for driving tunneling work of the cutter head;
the cutterhead pushing device is arranged at the rear end of the cutterhead driving device and is used for pushing a cutterhead of the heading machine to move forwards and turn;
the cutterhead advancing device includes:
a main beam frame arranged on a frame of the heading machine,
the two-way telescopic supporting component is fixedly arranged on the main beam frame, the two ends of the two-way telescopic supporting component are symmetrical and are respectively provided with telescopic parts which are reversely movably telescopic towards the rock wall at the inner side of the roadway, the outer ends of the telescopic parts are fixedly provided with supporting parts,
the propelling telescopic components are provided with a plurality of groups, are symmetrically arranged on two sides of the main beam frame and are positioned between the supporting part and the cutterhead driving device, and two ends of the propelling telescopic components are respectively in flexible connection with the supporting part and the driving device through universal hinge bases;
the supporting part is tightly supported on the roadway rock wall under the action of the movable expansion and contraction of the expansion and contraction part so as to correct the tunneling angle of the cutterhead, and the tunneling direction of the cutterhead is adjusted by controlling the expansion and contraction amount of each group of the pushing and contraction components.
2. A high rake small radius circular full face modular heading machine as defined in claim 1 wherein said support mechanism comprises:
the round sliding rail is fixedly arranged on the main beam frame,
the sliding block seat is assembled on the circular sliding rail and is provided with a power assembly for driving the sliding block seat to slide along the track direction of the circular sliding rail;
the anchor rod mechanism is arranged on the sliding block seat and used for drilling surrounding rock of a roadway;
the anchor rod mechanism is driven by the sliding block seat, so that the anchor rod mechanism can support in the surrounding rock of the roadway at any angle.
3. The large-dip-angle small-turning-radius circular full-section modular heading machine is characterized in that an inner gear ring is arranged on the inner side of the circular sliding rail, the power assembly is a servo motor, a driving gear meshed with the inner gear ring is arranged on an output shaft of the servo motor, and the sliding block seat is driven by the servo motor to slide on the circular sliding rail.
4. The high rake small radius circular full face modular heading machine as defined in claim 1 wherein said universal hinge support is a ball hinge.
5. The large-dip-angle small-turning-radius circular full-section modular heading machine as claimed in claim 1, wherein the bidirectional telescopic supporting component is a supporting hydraulic cylinder, and a cylinder body of the supporting hydraulic cylinder is fixed on a main beam frame;
the propelling telescopic component is a propelling hydraulic cylinder.
6. The large-dip small-turning-radius circular full-face modular heading machine according to claim 2, wherein two slide blocks are arranged, and the anchor rod mechanism is provided with two groups of anchor rod units, is respectively arranged on the two slide blocks, and is symmetrically arranged in a V shape.
7. The large-inclination small-turning-radius circular full-face modular heading machine as defined in claim 1, wherein the conveying unit is a folding belt conveying device, and includes:
a support frame arranged on the equipment trolley;
the carrier rollers are arranged at intervals and are all rotatably arranged on the support frame;
a driving roller arranged at the tail end of the supporting frame,
the conveying belt is supported on the carrier roller and the driving roller;
the conveying driving motor is arranged at the tail end of the horizontal conveying section and is in transmission connection with the driving roller so as to drive the conveying belt to drive;
and the dust cover is arranged on the supporting frame and used for reducing ore dust in the transportation process.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211723947.6A CN115949422B (en) | 2022-12-30 | 2022-12-30 | Large-dip-angle small-turning-radius circular full-section modularized heading machine |
| PCT/CN2023/110965 WO2024139225A1 (en) | 2022-12-30 | 2023-08-03 | Large-dip-angle small-turning-radius circular full-face modular tunnel boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211723947.6A CN115949422B (en) | 2022-12-30 | 2022-12-30 | Large-dip-angle small-turning-radius circular full-section modularized heading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115949422A CN115949422A (en) | 2023-04-11 |
| CN115949422B true CN115949422B (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211723947.6A Active CN115949422B (en) | 2022-12-30 | 2022-12-30 | Large-dip-angle small-turning-radius circular full-section modularized heading machine |
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| WO (1) | WO2024139225A1 (en) |
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| CN115949422B (en) * | 2022-12-30 | 2023-07-14 | 中国矿业大学 | Large-dip-angle small-turning-radius circular full-section modularized heading machine |
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| JP2984924B1 (en) * | 1998-06-26 | 1999-11-29 | タグチ工業株式会社 | Telescopic belt conveyor device |
| JP5777029B2 (en) * | 2011-12-28 | 2015-09-09 | 株式会社福田組 | Small-diameter shield segment conveying mechanism and method |
| CN103835710A (en) * | 2013-11-19 | 2014-06-04 | 沈阳北方重矿机械有限公司 | Hard rock-type large-gradient heading machine |
| CN106869956B (en) * | 2017-04-01 | 2019-09-03 | 江苏中机矿山设备有限公司 | A kind of high inclination-angle development machine with auxiliary climbing apparatus |
| CN207072620U (en) * | 2017-08-16 | 2018-03-06 | 辉县市新科机械设备有限公司 | New rib belt conveyor |
| CN208441879U (en) * | 2018-07-23 | 2019-01-29 | 中国铁建重工集团有限公司 | Tunneling equipment and its support system |
| CN112389943A (en) * | 2020-12-04 | 2021-02-23 | 北京道思克矿山装备技术有限公司 | Underground coal mine transportation system and rapid tunneling system |
| CN114790897B (en) * | 2022-06-24 | 2023-02-24 | 江苏神盾工程机械有限公司 | Open-shield dual-mode small-turning-radius TBM (tunnel boring machine) |
| CN114909147B (en) * | 2022-06-29 | 2023-07-28 | 中国矿业大学 | Full-face tunneling machine with large dip angle and small turning radius |
| CN115288715A (en) * | 2022-08-12 | 2022-11-04 | 中国铁建重工集团股份有限公司 | Open-type full-face rock heading machine with main beam hinged in segmented mode |
| CN115949422B (en) * | 2022-12-30 | 2023-07-14 | 中国矿业大学 | Large-dip-angle small-turning-radius circular full-section modularized heading machine |
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| CN115949422A (en) | 2023-04-11 |
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