CN113153288B - Complete equipment for tunneling steep roadway and tunneling method - Google Patents
Complete equipment for tunneling steep roadway and tunneling method Download PDFInfo
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- CN113153288B CN113153288B CN202110423091.XA CN202110423091A CN113153288B CN 113153288 B CN113153288 B CN 113153288B CN 202110423091 A CN202110423091 A CN 202110423091A CN 113153288 B CN113153288 B CN 113153288B
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- 230000005641 tunneling Effects 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004873 anchoring Methods 0.000 claims abstract description 117
- 230000007246 mechanism Effects 0.000 claims abstract description 95
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000010008 shearing Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000032258 transport Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/66—Machines for making slits with additional arrangements for drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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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
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
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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)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention belongs to the technical field of mine tunneling equipment, and particularly relates to a large-gradient roadway tunneling complete equipment and a tunneling method. Comprises a tunneling device and a roadway anchoring device which are connected with each other. Crawler traveling mechanisms are arranged on two sides of the tunneling equipment, anchoring mechanisms are arranged on two sides of each crawler traveling mechanism, a telescopic cutting part is arranged at the front part of the tunneling equipment, and a loading and transporting part is arranged in the middle of the tunneling equipment. Push-and-pull mechanisms are symmetrically arranged on two sides of the front end of the roadway anchoring equipment, a material receiving portion is arranged in the middle of the front portion of the roadway anchoring equipment, a conveying portion is longitudinally arranged in the middle of the roadway anchoring equipment, crawler traveling mechanisms are arranged on two sides of the roadway anchoring equipment, and supporting anchoring mechanisms are symmetrically arranged on two sides of the conveying portion. The invention realizes the full mechanical tunneling of the heavy-gradient roadway up and down the hill, and can greatly improve the tunneling efficiency of the roadway.
Description
Technical Field
The invention belongs to the technical field of mine tunneling equipment, and particularly relates to a large-gradient roadway tunneling complete equipment and a tunneling method.
Background
The tunneling of a coal mine heavy-gradient roadway is a difficult problem of the current comprehensive mechanical tunneling, and during the downhill operation, a winch is generally adopted to assist in pulling a tunneling device to advance and retreat, but the winch needs to be frequently moved and fixed along with the advancement of a working face, so that the operation is complicated. When the large-slope uphill tunneling is carried out, due to the resistance effect of the ramp, the tunneling equipment is very difficult to drill and even walk, the application of the tunneling equipment is limited, and a manual hole drilling and blasting method has to be adopted for tunneling, so that the tunneling efficiency of the large-slope roadway is limited, and great potential safety hazards are brought.
Disclosure of Invention
The invention provides a large-gradient roadway tunneling complete equipment and a tunneling method for solving the problems.
The invention adopts the following technical scheme: a large-gradient roadway tunneling complete equipment comprises tunneling equipment and roadway anchoring equipment which are connected with each other. Crawler traveling mechanisms are arranged on two sides of the tunneling equipment, anchoring mechanisms are arranged on two sides of each crawler traveling mechanism, a telescopic cutting part is arranged at the front part of the tunneling equipment, and a loading and transporting part is arranged in the middle of the tunneling equipment. Push-and-pull mechanisms are symmetrically arranged on two sides of the front end of the roadway anchoring equipment, a material receiving portion is arranged in the middle of the front portion of the roadway anchoring equipment, a conveying portion is longitudinally arranged in the middle of the roadway anchoring equipment, crawler traveling mechanisms are arranged on two sides of the roadway anchoring equipment, and supporting anchoring mechanisms are symmetrically arranged on two sides of the conveying portion.
Furthermore, the tunneling equipment is hinged with a push-pull mechanism of the roadway anchoring equipment through a tail lug plate.
A tunneling method of a large-gradient roadway tunneling complete set of equipment comprises the following steps.
S100-when a 16-30-degree large-slope roadway is tunneled, a supporting and anchoring mechanism of roadway anchoring equipment tightly supports a roadway top plate under the driving of extension of 4 internal oil cylinders, a crawler traveling mechanism tightly presses a roadway bottom plate under the action of reaction force and equipment gravity, the supporting and anchoring mechanism is self-locked by the oil cylinders, the roadway anchoring equipment is fixed under the action of the supporting and anchoring mechanism, the crawler traveling mechanism and the roadway top plate, the roadway anchoring equipment depends on the friction force with the roadway top plate, the shearing force generated when a protrusion at the top end of the supporting and anchoring mechanism and a crawler traveling mechanism prick the roadway top plate, and sufficient push-pull force is provided to assist in pushing and pulling the tunneling equipment to travel in a slope.
And S200, controlling a push-pull mechanism to push or pull the tunneling equipment from a hydraulic pipeline controlled by the tunneling equipment side, enabling the tunneling equipment to run uphill or downhill under the simultaneous action of the tunneling equipment and a crawler traveling mechanism, installing a safety valve on the hydraulic pipeline of the tunneling equipment side push-pull mechanism, and controlling the push-pull force to be smaller than the fastening force of the roadway anchoring equipment so as to ensure the parking safety of the roadway anchoring equipment.
S300, extending the telescopic cutting part out of the cut and cutting, starting the loading and transporting part of the tunneling equipment and the conveying part of the roadway anchoring equipment at the same time, and assisting to push or pull the tunneling equipment to retreat and advance by a push-pull mechanism to finish charging work.
S400, after cutting and loading of the tunneling equipment, an anchoring mechanism oil cylinder of the tunneling equipment extends to drive an anchoring mechanism to stretch and stretch two sides of a roadway to fix the tunneling equipment, the anchoring mechanism oil cylinder is self-locked, the tunneling equipment, a roadway bottom plate and two sides of the roadway are tightly supported, and shearing force generated by the fact that the anchoring mechanism protrudes and penetrates into two sides of the roadway is guaranteed to be enough to assist in pushing and pull the roadway anchoring equipment to walk in a slope way, a push-pull mechanism oil cylinder is controlled to pull or push the roadway anchoring equipment from a roadway anchoring equipment side hydraulic pipeline, the roadway anchoring equipment completes climbing or slope walking under the simultaneous action of a roadway anchoring equipment track walking mechanism, a safety valve is installed on a roadway anchoring equipment side push-pull mechanism hydraulic pipeline, the push-pull force is controlled to be smaller than the tunneling equipment fastening force to guarantee parking safety of the tunneling equipment, and the roadway anchoring equipment supporting anchoring mechanism is lifted to support a roadway top plate to fix the roadway anchoring equipment.
And S500, performing tunnel excavation repeatedly in steps S100-S400.
Compared with the prior art, the invention realizes the full mechanical tunneling of the heavy grade roadway up and down the hill, and can greatly improve the tunneling efficiency of the roadway. The large-gradient roadway complete equipment is expected to be commonly adopted in the hole cutting construction of a transport roadway, an air return roadway and a fully mechanized mining face with the angle of more than 16 degrees, and has wide market prospect.
Drawings
FIG. 1 is a front view of a major grade roadway driving kit;
FIG. 2 is a vertical view of a large-gradient roadway excavation complete set;
FIG. 3 is a schematic view of a tunneling apparatus;
fig. 4 is a schematic view of a roadway anchoring device;
in the figure, 1-tunneling equipment, 2-roadway anchoring equipment, 3-telescopic cutting part, 4-loading part, 5-crawler traveling mechanism I, 6-anchoring mechanism, 7-push-pull mechanism, 8-receiving part, 9-conveying part, 10-crawler traveling mechanism II, 11-supporting anchoring mechanism.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1 and 2, the heavy grade roadway excavation complete equipment mainly comprises excavation equipment 1 and roadway anchoring equipment 2.
As shown in fig. 3, the heading device 1 is mainly composed of a telescopic cutting section 3, a carrying section 4, a crawler I5, an anchoring mechanism 6, and the like. The telescopic cutting part 3 is arranged at the front part of the tunneling equipment 1, and a cutting motor drives a cutting gun head to cut a roadway; the loading and transporting part 4 is arranged in the middle of the equipment and is driven by a hydraulic motor to load and transport the cut materials; the crawler travelling mechanism I5 is driven by a hydraulic motor and is used for driving the equipment to travel; the anchoring mechanisms 6 are arranged on two sides of the equipment, and the two sides are driven by the oil cylinders to be tightly supported for fixing the tunneling equipment 1.
As shown in fig. 4, the roadway anchoring device 2 mainly comprises a push-pull mechanism 7, a receiving part 8, a conveying part 9, a crawler walking mechanism II10, a supporting anchoring mechanism 11 and the like. The push-pull mechanisms 7 are symmetrically arranged on two sides of the front end of the equipment, the front end of the push-pull mechanisms is hinged with the tunneling equipment 1, and telescopic oil cylinders are arranged inside the push-pull mechanisms and used for pushing (pulling) the tunneling equipment 1 and the roadway anchoring equipment 2; the receiving part 8 is arranged in the middle of the front part of the roadway anchoring device 2 and used for receiving the blanking of the conveying part of the tunneling device, the receiving part 8 is hinged with the frame of the roadway anchoring device 2, and the angle can be adjusted to prevent the conveying part 5 of the tunneling device 1 from touching the transmission part of the receiving part 8 when the slope changes; the conveying part 9 is longitudinally arranged in the middle of the roadway anchoring device 2 and is driven by a hydraulic motor to convey the material receiving part 8 to the rear part of the roadway anchoring device 2; the crawler belt travelling mechanism II10 is driven by a hydraulic motor and is used for equipment travelling; the supporting and anchoring mechanisms 11 are symmetrically arranged on two sides of the conveying part 9 and driven by the supporting oil cylinder to tightly support the top plate to fix the roadway anchoring equipment 2.
A tunneling method of a large-gradient roadway tunneling complete set of equipment comprises the following steps.
S100-when a 16-30-degree large-gradient roadway is tunneled, a supporting and anchoring mechanism 11 of a roadway anchoring device 2 tightly supports a roadway top plate under the driving of extension of 4 internal oil cylinders, a crawler walking mechanism II10 tightly presses a roadway bottom plate under the action of reaction force and device gravity, the supporting and anchoring mechanism 11 is self-locked by the oil cylinders, the roadway anchoring device 2 is fixed under the action of the supporting and anchoring mechanism 11, the crawler walking mechanism II10 and the roadway top plate, the roadway anchoring device 2 depends on friction force with the roadway top plate, shearing force generated when a protrusion at the top end of the supporting and anchoring mechanism 11 and a crawler walking mechanism II10 penetrate into the roadway top plate, and sufficient push-pull force is provided to assist in pushing and pulling the tunneling device 1 to walk in a gradient.
S200, controlling a push-pull mechanism 7 to push or pull the tunneling equipment 1 from a hydraulic pipeline controlled by the side of the tunneling equipment 1, enabling the tunneling equipment 1 to run uphill or downhill under the simultaneous action of the tunneling equipment 1 and a crawler travelling mechanism I5, installing a safety valve on the hydraulic pipeline of the push-pull mechanism 7 on the side of the tunneling equipment 1, and controlling push-pull force to be smaller than fastening force of roadway anchoring equipment 2 to ensure parking safety of the roadway anchoring equipment 2;
s300, the telescopic cutting part 3 stretches out to cut and cut, the loading and transporting part 4 of the tunneling equipment 1 and the conveying part 9 of the roadway anchoring equipment 2 are started simultaneously, and the push-pull mechanism 7 assists in pushing or pulling the tunneling equipment 1 to retreat and advance to finish charging work.
S400, after the cutting and loading of the tunneling equipment 1 are finished, the anchoring mechanism 6 of the tunneling equipment 1 extends to drive the anchoring mechanism 6 to open and tightly support two sides of the roadway to fix the tunneling equipment 1, the anchoring mechanism 6 is self-locked by the oil cylinder, the tunneling equipment 1, a roadway bottom plate and two sides have friction force, and the shearing force generated by the protruding penetration of the anchoring mechanism 6 into the two sides of the roadway ensures that the shearing force is enough to assist the pushing and pulling of the roadway anchoring device 2 to walk in a slope way, the hydraulic pipeline at the side of the roadway anchoring device 2 controls the oil cylinder of the push-pull mechanism 7 to pull or push the roadway anchoring device 2, the roadway anchoring device 2 finishes ascending or slope walking under the simultaneous action of the crawler walking mechanism II10 of the roadway anchoring device 2, a safety valve is installed on a hydraulic pipeline of the side push-pull mechanism 7 of the roadway anchoring device 2, the push-pull force is controlled to be smaller than the fastening force of the tunneling device 1 so as to ensure the parking safety of the tunneling device 1, and the roadway anchoring device 2 supports the anchoring mechanism 11 to lift the supporting top plate to fix the roadway anchoring device 2.
And S500, performing tunnel excavation repeatedly in steps S100-S400.
The advancing mode of the device is that the tunneling device 1 and the roadway anchoring device 2 mutually serve as fulcrums to assist in pushing (pulling) the other device to realize the alternate walking of the two devices in the roadway with the large gradient.
The anchoring mode is that the anchoring mechanism 6 of the tunneling device 1 transversely supports the two sides of the roadway for anchoring, and the supporting and anchoring mechanism 11 of the roadway anchoring device 2 longitudinally supports the top plate for anchoring.
The conveying mode is that a loading and transporting part 4 of the tunneling equipment 1 loads, cuts and discharges materials and transports the materials to the rear part of the tunneling equipment 1, then the materials are discharged to a material receiving part 8 of the roadway anchoring equipment 2, then the materials are transported to the rear part of the equipment by a conveying part 9 of the roadway anchoring equipment 2, and finally the materials are discharged to a subsequent belt reversed loader or a scraper conveyor.
Claims (2)
1. A tunneling method of a large-gradient roadway tunneling complete equipment is characterized by comprising the following steps: the used device comprises a tunneling device (1) and a roadway anchoring device (2) which are connected with each other,
crawler belt traveling mechanisms I (5) are arranged on two sides of the tunneling equipment (1), anchoring mechanisms (6) are arranged on two sides of the crawler belt traveling mechanisms I (5), a telescopic cutting part (3) is arranged at the front part of the tunneling equipment (1), and a loading part (4) is arranged in the middle of the tunneling equipment (1);
push-pull mechanisms (7) are symmetrically arranged on two sides of the front end of the roadway anchoring equipment (2),
a material receiving part (8) is arranged in the middle of the front part of the roadway anchoring equipment (2), a conveying part (9) is longitudinally arranged in the middle of the roadway anchoring equipment (2), crawler traveling mechanisms II (10) are arranged on two sides of the roadway anchoring equipment (2), and supporting anchoring mechanisms (11) are symmetrically arranged on two sides of the conveying part (9);
the tunneling method comprises the following steps of,
s100-when a 16-30-degree large-gradient roadway is tunneled, a supporting and anchoring mechanism (11) of a roadway anchoring device (2) tightly supports a roadway top plate under the drive of extension of 4 oil cylinders in the roadway, a crawler traveling mechanism II (10) tightly presses a roadway bottom plate under the action of reaction force and device gravity, the oil cylinders of the supporting and anchoring mechanism (11) are self-locked, the roadway anchoring device (2) is fixed under the action of the supporting and anchoring mechanism (11), the crawler traveling mechanism II (10) and the roadway top plate, the roadway anchoring device (2) depends on the friction force with the roadway top plate and the shearing force generated when a supporting and anchoring mechanism (11) top protrusion and the crawler traveling mechanism II (10) are penetrated into the roadway top plate, and sufficient push-pull force is guaranteed to assist in pushing and pulling the tunneling device (1) to travel in a ramp way;
s200, controlling a push-pull mechanism (7) to push or pull the tunneling equipment (1) from a hydraulic pipeline controlled by the side of the tunneling equipment (1), enabling the tunneling equipment (1) to run uphill or downhill under the simultaneous action of the tunneling equipment (1) and a crawler traveling mechanism I (5), installing a safety valve on the hydraulic pipeline of the push-pull mechanism (7) on the side of the tunneling equipment (1), and controlling the push-pull force to be smaller than the fastening force of the roadway anchoring equipment (2) so as to ensure the parking safety of the roadway anchoring equipment (2);
s300, extending a telescopic cutting part (3) out of a cut and cutting, starting a loading part (4) of the tunneling equipment (1) and a conveying part (9) of the roadway anchoring equipment (2) at the same time, and assisting to push or pull the tunneling equipment (1) to retreat and advance by a push-pull mechanism (7) to finish charging work;
s400, after the tunneling equipment (1) is cut and loaded, an oil cylinder of an anchoring mechanism (6) of the tunneling equipment (1) extends to drive the anchoring mechanism (6) to open and tightly support two sides of a roadway to fix the tunneling equipment (1), the oil cylinder of the anchoring mechanism (6) is self-locked, friction force between the tunneling equipment (1) and a roadway bottom plate and the two sides and shearing force generated by the anchoring mechanism (6) protruding to penetrate into the two sides of the roadway are guaranteed to be enough to assist in pushing and pull the roadway anchoring equipment (2) to walk in a ramp way, a hydraulic pipeline on the side of the roadway anchoring equipment (2) controls an oil cylinder of a push-pull mechanism (7) to pull or push the roadway anchoring equipment (2), the roadway anchoring equipment (2) finishes ascending or descending walking in the roadway under the simultaneous action of a track walking mechanism II (10) of the roadway anchoring equipment (2), a safety valve is installed on the hydraulic pipeline of the push-pull mechanism (7) on the side of the roadway anchoring equipment (2), and the push-pull force is controlled to be smaller than the fastening force of the tunneling equipment (1) to guarantee the safety of the tunneling equipment (1), the supporting and anchoring mechanism (11) of the roadway anchoring device (2) lifts the supporting top plate to fix the roadway anchoring device (2);
and S500, performing tunnel excavation repeatedly in steps S100-S400.
2. The excavation method of the heavy grade roadway excavation kit according to claim 1, characterized in that: the tunneling equipment (1) is hinged with the roadway anchoring equipment (2) through a push-pull mechanism (7) through a tail lug plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423091.XA CN113153288B (en) | 2021-04-20 | 2021-04-20 | Complete equipment for tunneling steep roadway and tunneling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110423091.XA CN113153288B (en) | 2021-04-20 | 2021-04-20 | Complete equipment for tunneling steep roadway and tunneling method |
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| Publication Number | Publication Date |
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| CN113153288A CN113153288A (en) | 2021-07-23 |
| CN113153288B true CN113153288B (en) | 2022-06-14 |
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| CN202110423091.XA Active CN113153288B (en) | 2021-04-20 | 2021-04-20 | Complete equipment for tunneling steep roadway and tunneling method |
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Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1166123B (en) * | 1960-03-24 | 1964-03-26 | Gewerk Eisenhuette Westfalia | Expansion of a coal extraction company in steep storage |
| GB1292076A (en) * | 1970-05-15 | 1972-10-11 | Coal Industry Patents Ltd | Underframes for mining machines |
| US5154489A (en) * | 1991-02-15 | 1992-10-13 | Exxon Coal Usa, Inc. | Inclined surface mining method |
| CN1274942C (en) * | 2001-02-09 | 2006-09-13 | 煤炭科学研究总院太原分院 | Self moving apparatus for remote control bridge elevating conveyor |
| CN101929348B (en) * | 2010-08-05 | 2012-07-25 | 煤炭科学研究总院太原研究院 | Coal removal device of crawler walking hydraulic support |
| CN102011603B (en) * | 2010-10-30 | 2012-08-22 | 煤炭科学研究总院太原研究院 | Coal mine underground remote control triangle protective shield |
| CN102418540B (en) * | 2011-12-01 | 2014-04-02 | 中国煤炭科工集团太原研究院 | Hydraulic eight-arm anchor rod drill carriage for coal mine |
| CN205277432U (en) * | 2015-12-30 | 2016-06-01 | 中国神华能源股份有限公司 | System for quick excavation roadway |
| CN106979015B (en) * | 2017-04-01 | 2018-11-16 | 江苏中机矿山设备有限公司 | A kind of climbing control method of the high inclination-angle development machine with auxiliary climbing apparatus |
| CN109026050B (en) * | 2018-08-22 | 2023-07-04 | 辽宁工程技术大学 | Fully-mechanized mining type excavating, supporting and anchoring combined unit and application method thereof |
| CN211549680U (en) * | 2019-12-03 | 2020-09-22 | 中国煤炭科工集团太原研究院有限公司 | High-adaptability tunneling and anchoring all-in-one machine with dual-mode anchor drilling system |
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