CN115949422A - Large-inclination-angle small-turning-radius circular full-section modular heading machine - Google Patents
Large-inclination-angle small-turning-radius circular full-section modular heading machine Download PDFInfo
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- CN115949422A CN115949422A CN202211723947.6A CN202211723947A CN115949422A CN 115949422 A CN115949422 A CN 115949422A CN 202211723947 A CN202211723947 A CN 202211723947A CN 115949422 A CN115949422 A CN 115949422A
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- 230000005641 tunneling Effects 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 55
- 239000011435 rock Substances 0.000 claims abstract description 54
- 239000002893 slag Substances 0.000 claims abstract description 12
- 238000005553 drilling Methods 0.000 claims description 13
- 230000002457 bidirectional effect Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction 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-inclination-angle small-turning-radius round full-section modular heading machine, which comprises: the tunneling mechanism is used for tunneling the rock face of the tunnel face; the supporting mechanism is used for supporting the roadway surrounding rock after tunneling is completed; the multiple groups of equipment trolleys are used for the roadway walking of the development machine; conveying mechanism, including a plurality of independently distributed's conveying unit, the equipartition has put a set of conveying unit on every group's equipment dolly, and every group conveying unit includes: 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 used for adjusting the inclination angle of the inclined conveying section so as to meet 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 the continuous transportation of rock slag when the tunneling machine performs right-angle turning or tunneling at a large inclination angle.
Description
Technical Field
The invention relates to the technical field of roadway tunneling equipment, in particular to a large-inclination-angle small-turning-radius round full-section modular tunneling machine.
Background
A full-face tunneling machine (TBM) is underground engineering equipment integrating mechanical, hydraulic, electronic, laser guiding and sensing technologies, can realize synchronous operation of multiple processes of efficient rock breaking, continuous slag tapping, quick support, ventilation and dust removal and water supply and drainage, and has the advantages of safety, high efficiency, environmental protection, high comprehensive benefit and the like. The TBM system generally comprises a cutter head tunneling system, a conveying system, a supporting system, an exploration system and a corresponding matched system, wherein in the TBM tunneling process, the cutter head tunneling system is responsible for crushing a tunnel face rock mass, the conveying system is responsible for conveying the crushed rock mass, the supporting system is responsible for supporting the formed surrounding rock in time, and the exploration system is responsible for periodically exploring the front geological condition.
At present, the TBM is mainly used for tunnel construction, the tunnel forming is mostly linear type or large radius curve type, so that the traditional tunnel TBM does not need to break through the technology of small radius turning and large inclination angle tunneling, and the coal roadway tunneling is for subsequent coal mining, so the characteristics of the coal roadway forming are different from the tunnel, the forming is mostly small radius curve type, and therefore the technical problems of small radius turning and large inclination angle tunneling need to be overcome when the TBM is used for coal roadway excavation, and the technical problems need to be solved when the TBM is used for solving the technical problems: TBM small-radius turning tunneling and TBM small-radius turning rock slag continuous conveying.
In view of the above, there is a need for an improved heading machine to solve the above problems.
Disclosure of Invention
The invention aims to disclose a large-inclination-angle small-turning-radius circular full-section modular heading machine, which aims to solve the problems and provide a small-diameter right-turning large-inclination-angle modular heading machine which has the advantages of sufficient rock breaking capacity, high heading efficiency, good roadway forming quality, simple structure and easiness in use.
In order to achieve the purpose, the invention provides a circular full-face modular heading machine with a large inclination angle and a small turning radius, which comprises:
the tunneling mechanism is positioned at the front end of the tunneling machine and used for tunneling the rock face of the tunnel;
the supporting mechanism is positioned below a tail shield of the tunneling machine and used for supporting the roadway surrounding rock after tunneling is completed;
the equipment trolleys are connected with each other through a universal joint mechanism and used for the roadway walking of the tunneling machine;
conveying mechanism, including a plurality of conveying unit that independently distribute, every group equipartition has put a set of conveying unit on the equipment dolly, every group conveying unit includes: 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 used for adjusting the inclination angle of the inclined conveying section so as to meet 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 just opposite to the lower part of the tail end of the horizontal conveying section of the adjacent conveying unit;
the conveying mechanism can ensure the continuous transportation of rock slag when the heading machine is in a right-angle turn or in a large-inclination heading.
As a further improvement of the present invention, the ripping mechanism includes:
the cutter head is used for cutting the rock face of the tunnel face;
the cutter head driving device is used for driving the tunneling work of the cutter head;
the cutter head propelling device is arranged at the rear end of the cutter head driving device and is used for propelling a cutter head of the tunneling machine to move forwards and turn;
the cutter propulsion device comprises:
a main beam frame arranged on the frame of the heading machine,
the bidirectional telescopic supporting components are fixedly arranged on the main beam frame, the two ends of the bidirectional telescopic supporting components are symmetrical and are respectively provided with a telescopic part which can be movably and reversely stretched towards the rock wall on the inner side of the roadway, the outer ends of the telescopic parts are fixedly provided with supporting parts,
the propelling telescopic assemblies 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 cutter head driving device, and two ends of the propelling telescopic assemblies are respectively in flexible connection with the supporting part and the driving device through universal hinged supports;
the supporting part is in the flexible down of activity of pars contractilis and paste the support on the tunnel cliff to rectify the tunnelling angle of blade disc, through control every group impel the flexible volume of flexible subassembly, with the tunnelling direction of adjusting the blade disc.
As a further improvement of the present invention, the support mechanism includes:
a circular slide rail fixedly arranged on the main beam frame,
the sliding block seat is assembled on the circular sliding rail and is provided with a power component 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 rocks of the roadway;
the anchor rod mechanism can be driven by the sliding block seat to support the surrounding rock of the roadway at any angle.
As a further improvement of the invention, an inner gear ring is arranged on the inner side of the circular slide rail, the power component 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 servo motor drives the slider seat to slide on the circular slide rail.
As a further improvement of the invention, the universal hinged support is a ball hinge.
As a further improvement of the invention, the bidirectional telescopic support assembly is a support hydraulic oil cylinder, and a cylinder body of the support hydraulic oil cylinder is fixed on the main beam frame;
the propelling telescopic component is a propelling hydraulic oil cylinder.
As a further improvement of the invention, the two slide block seats are arranged, and the anchor rod mechanism is provided with two groups of anchor rod units which are respectively arranged on the two slide block seats 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, including:
the supporting frame is arranged on the equipment trolley;
the carrier rollers are arranged at intervals and are rotatably arranged on the support frame;
a driving roller arranged at the tail end of the support frame,
the conveying belt is received 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 transmit;
the dust cover is installed on the support frame, alleviates the ore dust in the transportation.
The invention also discloses a tunneling method of the round full-section modular tunneling machine with the large inclination angle and the small turning radius, which comprises the following steps:
s1, in the tunneling working process of a tunneling mechanism, the supporting part is driven to be tightly attached to a rock wall through the bidirectional telescopic supporting component, the tunneling direction of a cutter head is corrected, the frictional force generated by clamping counteracts the directional force generated when a cutter head hob breaks the rock and the frictional force generated between a shield and surrounding rocks of a roadway, the propelling telescopic component is utilized to propel the cutter head to move forwards, and the tunneling direction of the cutter head is adjusted;
s2, the sliding block seat slides along the circular sliding rail under the driving of the power assembly, and the anchor rod mechanism performs 360-degree drilling support on the rock wall;
and S3, adjusting the inclination angle of the inclined conveying section through an adjusting mechanism to meet the conveying requirements of rock slag with different weights.
Compared with the prior art, the invention has the beneficial effects that:
(1) The utility model provides a circular full section modularization entry driving machine of little turning radius of large inclination, this entry driving machine's blade disc advancing device has used the multiunit to advance flexible subassembly, and the both ends that every group advances flexible subassembly form flexonics through spherical hinge and supporting part, drive arrangement respectively for two-way flexible supporting component can carry out the self-correction after rotatory sliding, simultaneously through the displacement volume of reasonable control every group propulsion flexible subassembly can make the entry driving machine towards arbitrary direction tunnelling.
(2) This conveyor of entry driving machine's conveying mechanism adopts the conveying unit of a plurality of independent distributions, and every group conveying unit mutual independence contactless is through arranging the mode of hopper for the entry driving machine still can guarantee the continuous transportation of rock sediment when quarter turn or big inclination are tunneled, and every group conveying unit includes simultaneously: the inclined conveying section, the horizontal conveying section and the adjusting mechanism are connected between the inclined conveying section and the horizontal conveying section through hinges to adjust the inclination angle of the inclined conveying section so as to meet the conveying requirements of rock slag with different weights.
(3) The supporting mechanism of the heading machine adopts a rotary anchor rod drilling machine device, the device uses a group of anchor rod units which are symmetrically arranged in a V shape, and the fan-shaped sliding block seats can slide on the circular sliding rails by controlling a servo motor, so that the symmetrical anchor rod drilling machine units can drill holes and anchor rods on rock walls in 360 degrees.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of a large-inclination-angle small-turning-radius round full-section modular heading machine of the invention;
FIG. 2 is a schematic structural diagram of a conveying unit in the large-inclination small-turning-radius circular full-face modular heading machine of the invention;
FIG. 3 is a schematic structural diagram of a tunneling mechanism in the large-inclination-angle small-turning-radius circular full-face modular tunneling machine of the invention;
FIG. 4 is a schematic structural diagram of a cutter head propulsion device in the large-inclination-angle small-turning-radius circular full-face modular heading machine of the invention;
FIG. 5 is a schematic structural diagram of a supporting mechanism in the large-inclination small-turning-radius circular full-section modular heading machine of the invention;
FIG. 6 is a schematic working diagram of the large-inclination small-turning-radius circular full-section modular heading machine during large-inclination heading;
fig. 7 is a schematic diagram of the operation of the round full-face modular heading machine with a large inclination angle and a small turning radius during right-angle turning.
In the figure: 1. a tunneling mechanism; 2. a support mechanism; 3. an equipment trolley; 4. a conveying mechanism; 5. an advanced drilling rig; 11. a cutter head; 12. a cutter head driving device; 13. a cutter head propelling 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 adjustment mechanism; 44. a hopper; 45. a conveying drive motor; 131. a main beam frame; 132. a bi-directional telescoping support assembly; 133. a support portion; 134. propelling the telescopic assembly; 135. a fixed seat; 211. an inner gear ring; 221. and a power assembly.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Fig. 1 to 7 show an embodiment of a round full-face modular heading machine with a large inclination angle and a small turning radius according to the present invention.
Referring to fig. 1-2, a large-inclination small-turning-radius circular full-face modular heading machine comprises: the tunneling mechanism 1 is positioned at the front end of the tunneling machine and used for tunneling a tunnel face rock surface; the supporting mechanism 2 is positioned below a tail shield of the tunneling machine and used for supporting the roadway surrounding rock after tunneling is completed; a plurality of groups of equipment trolleys 3 are connected with each other through a universal joint mechanism and are used for the roadway walking of the development machine; conveying mechanism 4, including a plurality of independently distributed's conveying unit, a set of conveying unit has been put to the equipartition on every group equipment dolly 3, and every group conveying unit includes: 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 used for adjusting the inclination angle of the inclined conveying section 41 so as to meet the conveying requirements of rock slag with different weights; a hopper 44 arranged at the front end of each group of inclined conveying sections 41 and facing below the tail end of the horizontal conveying section 42 of the adjacent conveying unit; referring to fig. 6-7, the conveyor mechanism 4 can ensure continuous transport of rock debris during quarter-turn or steep heading of the heading machine.
The conveying unit is a folding belt conveying device, comprising: the supporting frame is arranged on the equipment trolley 3; the carrier rollers are arranged at intervals and are rotatably arranged on the support frame; the driving roller is arranged at the tail end of the supporting frame, and the conveying belt is connected to the carrier roller and the driving roller; the conveying driving motor 45 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 transmit; the dust cover is installed on the support frame, alleviates the ore dust in the transportation, avoids the rock sediment to drop simultaneously.
Specifically, conveying mechanism 4 comprises three foldable belt conveyors, and foldable belt conveyors can a plurality of uses, and the extension is carried the distance, and foldable belt conveyors independently distributes, adopts the high cooperation of funnel and horizontal transfer section 42 and slope conveying section 41, can realize the continuous transportation at turning section and big inclination section, has overcome the problem that the tunnel inturn tunnelling or big inclination tunnelling, can't effectively transport the rock.
Referring to fig. 3 to 4, the ripping mechanism 1 includes: the cutter head 11 is used for cutting the rock face of the tunnel face; the cutter head driving device 12 is used for driving the tunneling work of the cutter head; the cutter head propelling device 13 is arranged at the rear end of the cutter head driving device 12 and is used for propelling the cutter head 11 of the heading machine to move forwards and turn; the cutter head propulsion device 13 includes: the main beam frame 131 is arranged on a rack of the heading machine, the bidirectional telescopic support component 132 is fixedly arranged on the main beam frame 131, two ends of the bidirectional telescopic support component are symmetrical and are respectively provided with a telescopic part which can be movably and reversely stretched towards the rock wall on the inner side of the roadway, and the outer ends of the telescopic parts are fixedly provided with support parts 133; the propelling telescopic assemblies 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 assemblies 134 are respectively in flexible connection with the supporting part 133 and the driving device through universal hinges; the support portion 133 is closely supported on the roadway rock wall under the movable extension of the extension portion to correct the tunneling angle of the cutter head 11, and the tunneling direction of the cutter head 11 is adjusted by controlling the extension amount of each group of the propelling extension assemblies 134. The universal hinged support is a ball hinge. The bidirectional telescopic supporting component 132 is a supporting hydraulic oil cylinder, and a cylinder body of the supporting hydraulic oil cylinder is fixed on the main beam frame 131; the propulsion retraction assembly 134 is a propulsion hydraulic cylinder.
Specifically, the bidirectional telescopic supporting assembly 132 is a supporting hydraulic cylinder and has two sets of piston rods which are reversely telescopic, the cylinder bodies of the supporting hydraulic cylinder are fixedly mounted on the main beam frame 131, the supporting parts 133 are supporting shoes, the end of each piston rod is connected with the corresponding supporting shoe, the propelling telescopic assembly 134 is a propelling hydraulic cylinder and is provided with four sets of piston rods, the four sets of piston rods are distributed in a symmetrical manner in pairs, the rear end of the cutter head driving device 12 is fixedly connected with a fixed seat 135 through bolts, and the cylinder bodies and the piston ends of the propelling hydraulic cylinders are respectively connected with the supporting shoes and the fixed seat 135 through spherical hinges; in the TBM tunneling process, the supporting hydraulic cylinders are driven to enable the supporting boots to be attached to rock walls, the frictional force generated by clamping counteracts the directional force generated by the hob when the rock is broken and the frictional force generated between the shield and the surrounding rock, and then four groups of propelling hydraulic cylinders are driven to push the cutter head driving device 12 to move forwards and turn, so that the tunneling process is completed.
As shown in fig. 5, the supporting mechanism 2 includes: a circular slide rail 21 fixedly mounted on the main beam frame 131; the slider seat 22 is assembled on the circular slide rail 21 and is provided with a power component 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 sliding block seat 22 and used for drilling surrounding rocks of the roadway; the anchor rod mechanism 23 can support at any angle in the surrounding rock of the roadway by being driven by the slider seat 22. An inner gear ring 211 is arranged on the inner side of the circular slide rail 21, the power assembly 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 the slider seat 22 is driven by the servo motor to slide on the circular slide rail 21. The slider seats 22 are arranged two, and the anchor rod mechanism 23 has two sets of anchor rod units, and is arranged on the two slider seats 22 respectively, and is in V-shaped symmetrical arrangement.
The development machine also comprises an exploration system which is composed of an advanced drilling device 5, wherein the device comprises a drilling rack, a drilling motor, a clamping propulsion 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 development machine; when the heading machine cutter head 11 stops heading and rotating, the detection motor controls the advanced detection drill rod to extend out of the surface of the cutter head 11 for drilling a front rock mass, and therefore front geological condition exploration is achieved.
The invention also discloses a tunneling method of the circular full-face modular tunneling machine with the large inclination angle and the small turning radius, which comprises the following steps of: s1, in the tunneling working process of the tunneling mechanism 1, the bidirectional telescopic supporting component 132 drives the supporting part 133 to be tightly attached to a rock wall, the tunneling direction of the cutter head 11 is corrected, the frictional force generated by clamping counteracts the directional force generated when the cutter head 11 is hob-broken and the frictional force generated between a shield and surrounding rocks of a roadway, the propelling telescopic component 134 is utilized to propel the cutter head 11 to move forwards, and the tunneling direction of the cutter head 11 is adjusted; s2, the sliding block seat 22 slides along the circular sliding rail 21 under the driving of the power assembly 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 meet the conveying requirements of rock slag with different weights.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a circular full section modularization entry driving machine of little turning radius of large inclination which characterized in that includes:
the tunneling mechanism is positioned at the front end of the tunneling machine and used for tunneling the rock face of the tunnel;
the supporting mechanism is positioned below a tail shield of the tunneling machine and used for supporting the roadway surrounding rock after tunneling is completed;
the equipment trolleys are connected with each other through a universal joint mechanism and used for the roadway walking of the tunneling machine;
conveying mechanism, including a plurality of conveying unit that independently distribute, every group equipartition has put a set of conveying unit on the equipment dolly, every group conveying unit includes: 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 used for adjusting the inclination angle of the inclined conveying section so as to meet 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 just opposite to the lower part of the tail end of the horizontal conveying section of the adjacent conveying unit;
the conveying mechanism can ensure the continuous transportation of rock slag when the heading machine is in a right-angle turn or in a large-inclination heading.
2. A large angle small turn radius circular full face modular heading machine as claimed in claim 1 wherein the heading mechanism comprises:
the cutter head is used for cutting the rock face of the tunnel face;
the cutter head driving device is used for driving the tunneling work of the cutter head;
the cutter head propelling device is arranged at the rear end of the cutter head driving device and is used for propelling a cutter head of the tunneling machine to move forwards and turn;
the cutter propulsion device comprises:
a main beam frame arranged on the frame of the heading machine,
the bidirectional telescopic supporting components are fixedly arranged on the main beam frame, the two ends of the bidirectional telescopic supporting components are symmetrical and are respectively provided with a telescopic part which can be movably and reversely stretched towards the rock wall on the inner side of the roadway, the outer ends of the telescopic parts are fixedly provided with supporting parts,
the propelling telescopic assemblies 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 cutter head driving device, and two ends of the propelling telescopic assemblies are respectively in flexible connection with the supporting part and the driving device through universal hinged supports;
the supporting part is in the flexible down of activity of pars contractilis and paste the support on the tunnel cliff to rectify the tunnelling angle of blade disc, through control every group impel the flexible volume of flexible subassembly, with the tunnelling direction of adjusting the blade disc.
3. A large angle small turn radius circular full face modular heading machine as claimed in claim 2 wherein the support mechanism comprises:
a circular slide rail fixedly mounted on the main beam frame,
the sliding block seat is assembled on the circular sliding rail and is provided with a power component 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 rocks of the roadway;
the anchor rod mechanism can be driven by the sliding block seat to support the surrounding rock of the roadway at any angle.
4. The round full-face modular heading machine with the large inclination angle and the small turning radius as claimed in claim 3, wherein an inner gear ring is arranged on the inner side of the round slide 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 servo motor drives the slider seat to slide on the round slide rail.
5. The round full face modular heading machine with the large inclination angle and the small turning radius according to claim 2, wherein the universal hinge base is a ball hinge.
6. The round full-face modular heading machine with the large inclination angle and the small turning radius as claimed in claim 2, wherein the bidirectional telescopic support assembly is a support hydraulic cylinder, and a cylinder body of the support hydraulic cylinder is fixed on the main beam frame;
the propelling telescopic component is a propelling hydraulic oil cylinder.
7. The modular large-inclination small-turning-radius circular full-face tunneling machine according to claim 3, wherein there are two anchor rod mechanisms, each of which has two anchor rod units, and the two anchor rod units are respectively arranged on the two slide rod bases and are arranged in V-shape symmetrically.
8. The round full-face modular heading machine with the large inclination angle and the small turning radius according to claim 2, wherein the conveying unit is a folding belt conveyor comprising:
the supporting frame is arranged on the equipment trolley;
the carrier rollers are arranged at intervals and are rotatably arranged on the support frame;
a driving roller arranged at the tail end of the support frame,
the conveying belt is received 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 transmit;
the dust cover is installed on the support frame, alleviates the ore dust in the transportation.
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 true CN115949422A (en) | 2023-04-11 |
| CN115949422B CN115949422B (en) | 2023-07-14 |
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| 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 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115949422B (en) |
| WO (1) | WO2024139225A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2024139225A1 (en) * | 2022-12-30 | 2024-07-04 | 中国矿业大学 | Large-dip-angle small-turning-radius circular full-face modular tunnel boring machine |
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| WO2024139225A1 (en) | 2024-07-04 |
| CN115949422B (en) | 2023-07-14 |
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