CN109281674A - A kind of hard-rock tunnel driving method using drill loader - Google Patents
A kind of hard-rock tunnel driving method using drill loader Download PDFInfo
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- CN109281674A CN109281674A CN201811508933.6A CN201811508933A CN109281674A CN 109281674 A CN109281674 A CN 109281674A CN 201811508933 A CN201811508933 A CN 201811508933A CN 109281674 A CN109281674 A CN 109281674A
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- drill loader
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- loader
- driving method
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- 239000011435 rock Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004880 explosion Methods 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 4
- 230000032258 transport Effects 0.000 claims abstract description 4
- 230000005641 tunneling Effects 0.000 claims abstract description 4
- 239000002699 waste material Substances 0.000 claims description 3
- 239000011378 shotcrete Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005422 blasting Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 244000137852 Petrea volubilis Species 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- 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
-
- 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
- E21D9/126—Loading devices or installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of hard-rock tunnel driving methods using drill loader, comprising the following steps: starting drill loader carries out out spoil；After spoil transports away completely, a borehole is carried out, and perforating is carried out using the drill boom of drill loader；Hard rock tunneling boring tunnel, borehole have once been beaten, after, drill loader retreats, and power-off stops equipment；It meets head on powder charge, explosion, supporting is carried out to tunnel；After the completion of supporting, repeats step (1) and carry out next circulation.Beneficial effects of the present invention: construction efficiency is higher and higher, driving is single can to dig than common big gun into, production efficiency and improve 2 to 4 times, single gentle construction safety safeguard level of intaking is greatly improved, to ensuring that mine normally takes over, realizes that high-yield and high-efficiency construction object is of great significance.
Description
Technical field
The present invention relates to a kind of coal mine driving method more particularly to a kind of hard-rock tunnel driving methods.
Background technique
Coal mine excavation replacement contradiction is always that mine is difficult to one of principal contradiction effectively solved.Huainan Mining Area rock gangway drilling depth
Total amount is big (average annual 16 myriametre), the horizontal western wing tracks main entry of -820m, design engineering quality 2888m excavated section are as follows: and 5700mm ×
4450mm, tunnels section lithology main sand paper sludge rock and sandstone alternating layers (hardness factor 7-10), which is 160
~180 ° 2~4 ° of ∠, 3 ° of mean obliquity.Traditional " drilling and blasting method " longer (is beaten complete using traditional perforating equipment perforating time
Section borehole will be about 7 hours), construction speed is slow (moon, progress was at 40-50 meters or so), and personnel's manual labor amount is big, and applies
Between duration, the security threat of personnel is also larger, and hard rock mole tool degree is low, working security and operating environment are poor, big disconnected
Face hard-rock tunnel list is into low, as production gradually extends to deep, the pick in system tunnel build restrict mine take over and safety is high
Effect production, safely and fast high efficient driving is significant to coal mine for development.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of to solve that construction speed in above-mentioned background technique is slow, effect
The hard-rock tunnel driving method for the disadvantages such as rate is low, safety is low.
The present invention is to solve above-mentioned technical problem by the following technical programs: the present invention discloses a kind of using drill loader
Hard-rock tunnel driving method, comprising the following steps:
(1) start drill loader, carry out out spoil；
(2) after spoil transports away completely, a borehole is carried out, and perforating is carried out using the drill boom of drill loader；
(3) hard rock tunneling boring tunnel, borehole have once been beaten, after, drill loader retreats, and power-off stops equipment；
(4) it meets head on powder charge, explosion, supporting is carried out to tunnel；
(5) it after the completion of supporting, repeats step (1) and carries out next circulation.
Preferably, drill loader is CMZY2-300-35 type drill loader in the step (1).
Preferably, in the step (1) after drill loader starting, then start the scratch board conveyor on drill loader, cooperation shovel
Spoil is offloaded to tunnel side by plate, scraper box, then is harrowed by scraper loader to being transported to waste bin on belt.
Preferably, it before the borehole of step (2) midpoint, is measured using caliper scale.
Preferably, step (3) drill loader retreats 40 meters or more.
Preferably, the supporting in the step (4), including gib is first carried out, then carry out gunite.
The present invention has the advantage that compared with prior art
(1) manpower greatly saved utilizes drill loader perforating, it is only necessary to which 2 operative employees save a large amount of manpowers；
(2) perforating is high-efficient, when hardness coefficient of rock f > 8, using drill loader construct more than 2.5 meters of depths full stubble it is ophthalmically acceptable when
In 2~3 hours, perforating link time is substantially reduced；
(3) highly-safe, using drill loader perforating, personnel only need to be sitting on drill loader and operate, and distance, which meets face, 3 meters
Above safe distance；
(4) blasting efficiency is improved, depth depth 2.5m or more is beaten using drill loader, uses bit diameter for φ 42mm drill bit,
Borehole diameter is big, increases the explosion scope of freedom, 2.2 meters of drilling depth of single explosion maximum, improves demolition effect；
(5) transporter uses hydraulic pressure support, can move freely with drill loader, so that drill loader has very big back space,
Normal explosion, 40 meters of drill loader backway, do not need to carry out it is additional blow out protection, this not only saves the time, also protects
Equipment；
(6) cleaning meet head on spoil and broken bulk spoil it is very convenient, using drill loader bottoming eye, drill loader rake can be used
Shovel takes off the gangue, rake shovel move left and right it is flexible and convenient, compared to scraper loader go out cash move every time later wheel facilitate it is very much, on rake shovel
Bulk spoil can be easily crushed by the quartering hammer of outfit very much, and safety is very high.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the hard-rock tunnel driving method using drill loader of the embodiment of the present invention.
Specific embodiment
It elaborates below to the embodiment of the present invention, the present embodiment carries out under the premise of the technical scheme of the present invention
Implement, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to following implementation
Example.
As shown in Figure 1, the present embodiment present invention discloses a kind of hard-rock tunnel driving method using drill loader, including following
Step:
(1) whether the preparation before starting, inspection machine run well, and start drill loader, then start scraping on drill loader
Spoil is offloaded to tunnel side by plate transporter, cooperation shovel board, scraper box, then is harrowed by scraper loader to being transported to waste bin on belt, into
Row goes out spoil；
(2) it after spoil transports away completely, is first measured using caliper scale, carries out a borehole, and using drill loader
Drill boom carries out perforating；
(3) hard rock tunneling boring tunnel, borehole have once been beaten, and after a stroke, drill loader retreats 40 meters or more, power-off
Stop equipment；
(4) it meets head on powder charge, explosion, supporting, supporting is carried out to tunnel, including first carry out gib, then carry out whitewashing branch
Shield；
(5) it after the completion of supporting, repeats step (1) and carries out next circulation.
It carries out, taps before gib, tap before referring to that downhole production operation starts, with crowbar, drill rod
Or pick etc. taps roadway, face roof and lateral wall, the method for finding float stone, delamination according to the sound of sending.
Drill loader is CMZY2-300-35 type drill loader in step (1), and the equipment is by taking off bucket device, shovel board portion, slide unit group
The components such as part, left and right drilling part, safe ceiling, running part, oil tube bracket, body part, transporter, rear support composition.
Operator stirs handle, and by guide oil hydraulic control working connection, last high-voltage oil liquid enters each oil cylinder, motor
And rock drill realizes positioning boring action.
The movement of drilling part and hoeing is controlled by the station of three different locations.The movement of control has: drilling machine advance, after
It moves back, drill boom ascending, descending, drill boom swings, and the positive and negative 180 ° of rotations of drill boom, balladeur train pitches, and balladeur train swings, balladeur train compensation, chisel
Rock machine promotes, drill steel positive and negative rotation, water filling and high-low pressure switching etc..When drilling, loading station is locked by machinery, can only control brill
It is acted into portion.
The movement of bucket device is taken off by manually controlling, two four handles operations are coordinated to complete.
Installation can be completed using the CMZY2-300-35 type drill loader in present implementation, tunnel every process, applied
Work efficiency rate is higher and higher, and driving is single can to dig than common big gun into, production efficiency and improve 2 to 4 times, greatly improves that single water inlet is gentle to be applied
Work security assurance level, to ensuring that mine normally takes over, realizes that high-yield and high-efficiency construction object is of great significance, CMZY2-300-
35 type drill loader lists are preferable into effect, and compared with the pick of common big gun, work efficiency is significantly increased per capita.
The present embodiment only provides a kind of structure of drill loader, other can be realized the drill loader of this construction method also in this Shen
Protection scope please.
Its advantage is compared with traditional driving method:
(a) manpower greatly saved；Traditional pneumatic hammer perforating, large section roadway will often be equipped with the portion 4-5 pneumatic hammer, and manpower disappears
Consume more, large labor intensity；Utilize drill loader perforating, it is only necessary to which 2 operative employees save a large amount of manpowers；
(b) perforating is high-efficient；When hardness coefficient of rock f > 8, pneumatic hammer perforating often beaten upper eye, cash, lay again
Portion's eye, 1.8 meters of construction depth of full stubble eye generally require the time (7~9 hours) of a bottom class, and pneumatic hammer perforating speed
Slowly, low efficiency；In 2~3 hours when ophthalmically acceptable using more than drill loader 2.5 meters of depths of construction full stubble, perforating link is substantially reduced
Time；
(c) highly-safe；Pneumatic hammer perforating, personnel need to carry out operation close to meeting head on, and risk is high；It is beaten now using drill loader
Eye, personnel only need to be sitting on drill loader and operate, and distance meets the safe distance that face has 3 meters or more；
(d) blasting efficiency is improved.Traditional Bao Jue construction team, 1.8 meters or so of pneumatic hammer perforating depth, every cyclic advance exists
1.3 meters or so；Depth depth 2.5m or more is beaten using drill loader, uses bit diameter for φ 42mm drill bit, borehole diameter is big, increases
The explosion scope of freedom, improves demolition effect by 2.2 meters of drilling depth of single explosion maximum；
(e) transporter uses hydraulic pressure support, can move freely with drill loader；The western wing horizontal for the -820m of 501 teams construction
Track main entry, section is big, and rock is hard, and for single explosive payload up to 90 kilograms or more, the protection to equipment is a greatly test；
CMZY2-300-35 drill loader two fortune get rid of buffer bed design so that drill loader have very big back space, normal explosion,
40 meters of drill loader backway, do not need to carry out it is additional blow out protection, this not only saves the time, also protects equipment；
(f) cleaning meet head on spoil and broken bulk spoil it is very convenient, using drill loader bottoming eye, drill loader rake can be used
Shovel takes off the gangue, rake shovel move left and right it is flexible and convenient, compared to scraper loader go out cash move every time later wheel facilitate it is very much, on rake shovel
Bulk spoil can be easily crushed by the quartering hammer of outfit very much, and safety is very high.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of hard-rock tunnel driving method using drill loader, which comprises the following steps:
(1) start drill loader, carry out out spoil；
(2) after spoil transports away completely, a borehole is carried out, and perforating is carried out using the drill boom of drill loader；
(3) hard rock tunneling boring tunnel, borehole have once been beaten, after, drill loader retreats, and power-off stops equipment；
(4) it meets head on powder charge, explosion, supporting is carried out to tunnel；
(5) it after the completion of supporting, repeats step (1) and carries out next circulation.
2. a kind of hard-rock tunnel driving method using drill loader according to claim 1, which is characterized in that the step
(1) drill loader is CMZY2-300-35 type drill loader in.
3. a kind of hard-rock tunnel driving method using drill loader according to claim 1, which is characterized in that the step
(1) in after drill loader starting, then start the scratch board conveyor on drill loader, spoil is offloaded to tunnel by cooperation shovel board, scraper box
Side, then harrowed by scraper loader to being transported to waste bin on belt.
4. a kind of hard-rock tunnel driving method using drill loader according to claim 1, which is characterized in that the step
(2) it before the borehole of midpoint, is measured using caliper scale.
5. a kind of hard-rock tunnel driving method using drill loader according to claim 1, which is characterized in that the step
(3) drill loader retreats 40 meters or more.
6. a kind of hard-rock tunnel driving method using drill loader according to claim 1, which is characterized in that the step
(4) supporting in, including gib is first carried out, then carry out gunite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508933.6A CN109281674A (en) | 2018-12-11 | 2018-12-11 | A kind of hard-rock tunnel driving method using drill loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811508933.6A CN109281674A (en) | 2018-12-11 | 2018-12-11 | A kind of hard-rock tunnel driving method using drill loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109281674A true CN109281674A (en) | 2019-01-29 |
Family
ID=65174175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811508933.6A Pending CN109281674A (en) | 2018-12-11 | 2018-12-11 | A kind of hard-rock tunnel driving method using drill loader |
Country Status (1)
| Country | Link |
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| CN (1) | CN109281674A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706386A (en) * | 2020-06-10 | 2020-09-25 | 武汉工程大学 | Underground roadway rock burst active protection method and underground roadway tunneling method |
| CN113123816A (en) * | 2021-05-19 | 2021-07-16 | 淮南矿业(集团)有限责任公司 | Coal mine rock roadway blasting and excavating mechanized construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103628A (en) * | 1985-05-25 | 1986-03-10 | 孙守田 | Rock tunnel boring and blasting method new technology and comprehensive unit |
| CN2212657Y (en) * | 1995-03-17 | 1995-11-15 | 孙守田 | Hydraulic drilling loading machine for whole cross section |
| CN101302932A (en) * | 2008-06-25 | 2008-11-12 | 闫振东 | Method for underground chamber digging and laneway opening digging |
| CN101824986A (en) * | 2010-04-20 | 2010-09-08 | 闫振东 | Coal mining process of drilling, loading, conveying and anchoring integral machine |
| CN101881162A (en) * | 2009-05-06 | 2010-11-10 | 三一重型装备有限公司 | Drill loader |
| CN102587903A (en) * | 2012-02-24 | 2012-07-18 | 河南大有能源股份有限公司 | Comprehensive tunneling system for stone drift |
| CN102748032A (en) * | 2012-07-26 | 2012-10-24 | 兖州煤业股份有限公司 | Mechanized rapid construction method for traditional rock drivage |
| CN107060802A (en) * | 2017-06-02 | 2017-08-18 | 沈阳天安科技股份有限公司 | Rock-gangway bomb-dug bores shipment complete set of equipments |
-
2018
- 2018-12-11 CN CN201811508933.6A patent/CN109281674A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85103628A (en) * | 1985-05-25 | 1986-03-10 | 孙守田 | Rock tunnel boring and blasting method new technology and comprehensive unit |
| CN2212657Y (en) * | 1995-03-17 | 1995-11-15 | 孙守田 | Hydraulic drilling loading machine for whole cross section |
| CN101302932A (en) * | 2008-06-25 | 2008-11-12 | 闫振东 | Method for underground chamber digging and laneway opening digging |
| CN101881162A (en) * | 2009-05-06 | 2010-11-10 | 三一重型装备有限公司 | Drill loader |
| CN101824986A (en) * | 2010-04-20 | 2010-09-08 | 闫振东 | Coal mining process of drilling, loading, conveying and anchoring integral machine |
| CN102587903A (en) * | 2012-02-24 | 2012-07-18 | 河南大有能源股份有限公司 | Comprehensive tunneling system for stone drift |
| CN102748032A (en) * | 2012-07-26 | 2012-10-24 | 兖州煤业股份有限公司 | Mechanized rapid construction method for traditional rock drivage |
| CN107060802A (en) * | 2017-06-02 | 2017-08-18 | 沈阳天安科技股份有限公司 | Rock-gangway bomb-dug bores shipment complete set of equipments |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111706386A (en) * | 2020-06-10 | 2020-09-25 | 武汉工程大学 | Underground roadway rock burst active protection method and underground roadway tunneling method |
| CN113123816A (en) * | 2021-05-19 | 2021-07-16 | 淮南矿业(集团)有限责任公司 | Coal mine rock roadway blasting and excavating mechanized construction method |
| CN113123816B (en) * | 2021-05-19 | 2022-04-22 | 淮南矿业(集团)有限责任公司 | Coal mine rock roadway blasting and excavating mechanized construction method |
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Application publication date: 20190129 |
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