CN105840236A - Method using pilot tunnel to process tilting and dumping hydraulic support - Google Patents
Method using pilot tunnel to process tilting and dumping hydraulic support Download PDFInfo
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- CN105840236A CN105840236A CN201610197773.2A CN201610197773A CN105840236A CN 105840236 A CN105840236 A CN 105840236A CN 201610197773 A CN201610197773 A CN 201610197773A CN 105840236 A CN105840236 A CN 105840236A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 239000011435 rock Substances 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 5
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 4
- 239000010432 diamond Substances 0.000 claims abstract description 4
- 238000005065 mining Methods 0.000 claims description 21
- 230000002787 reinforcement Effects 0.000 claims description 11
- 238000004873 anchoring Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 6
- -1 i.e. Substances 0.000 abstract 1
- 238000004901 spalling Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 230000008520 organization Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- E21D11/006—Lining anchored in the rock
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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)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to a method using a pilot tunnel to process a tilting and dumping hydraulic support; the method comprises the following steps: 1, carrying out pilot tunnel construction in front of the tilting and dumping hydraulic support; 2, using a H-type steel shed to reinforce and support the pilot tunnel; 3, moving the hydraulic support into the pilot tunnel; 4, centralizing the hydraulic support in the pilot tunnel. The advantages are that the method firstly controls a roof board, prevents spalling and roof falling, and centralizes the support; the pilot tunnel method is employed to control surrounding rocks, i.e., coal wall advanced peeling is carried out on a work surface tilting support area; anchor rods and steel bar ladders are combined in the peeling zone, anchor cables and an anchor cable beam are combined in usage, and a diamond mesh and a single prop rack shed are combined for supporting.
Description
Technical field
The present invention relates to a kind of colliery and metal mine exploitation applied technical field, particularly relate to a kind of utilization and lead cave and process the askew frame of hydraulic support and fall the method for frame.
Background technology
Hydraulic support is one of visual plant of coal mine fully-mechanized mining working, and quantity is most, and it can reliably and efficiently support and control the top board of work surface, isolates goaf, prevents spoil from entering stope and moving conveyor.Can it normally work, and safety in production and high-yield and high-efficiency to whole work surface are most important.During working surface production, hydraulic support easily occurs automatically dropping frame, dead frame, the phenomena of the failure such as frame of falling.Askew frame, the accident of falling frame once occur, along with wall caving, leaky roof accident, totally unfavorable to roof control, damage electromechanical equipment, exist and produce hidden danger at severe safety, and askew frame, the scope of falling frame are big, dealing with difficulty relatively big, the time is long, seriously restricts safety in production.
The steady method the most generally used mainly progressively uses external force to adjust along with the advance of the face, generally use individual prop diagonal brace and hydraulic jack, the mode of chain traction, this kind of mode have the disadvantage in that 1, due to individual prop, hydraulic jack, chain be hard link mode with support, rigid contact, during righting adjusts, stress is bigger and uneven, easily occurring that stress is concentrated, break casualty accident, and safety coefficient is low；2, steady amplitude is little, mutually extruded by support and affect, frame amplitude is adjusted to be difficult to reach more than 10cm, must take measures to prevent top bracket to be pressed down against when adjusting bottom bracket, operating process is loaded down with trivial details, labor intensity is big, weak effect, and when amplitude is big, two adjacent frame support gaps are excessive, top board spoil inbreak accident occur；3, lifting support frequently, destroys top board, roof cracking, and local be empty, and support cannot connect real top board, and without setting load, therefore support is had by action of gravity and continues the trend of skewing, and processing procedure occurs repeatedly；4, process the time long, affected by work surface periodic weighting, periodic wall caving, leaky roof occurs, roof accident easily occurs, bad during treatment effect fashion, the time is difficult to control to；5, during processing, roof collapse spoil is many, affects ature of coal, and fltting speed is slow, and yield reduces, and the logical accident preventions such as goaf ignition, methane accumulation easily occurs in deficiency in economic performance.
Fully-mechanized mining working wall caving, leaky roof, mining height superelevation etc. are to cause askew frame, the main cause of frame of falling, and askew frame, the frame that falls cause wall caving, leaky roof, and therefore the premise of straightening support must assure that top board is complete, and support can roof supporting arrive setting load.
Summary of the invention
The technical problem to be solved is: provides a kind of utilization to lead cave and processes the askew frame of hydraulic support and fall the method for frame, to solve above-mentioned technical problem.
The present invention solves that problem set forth above be the technical scheme is that
A kind of utilization is led cave and is processed the askew frame of hydraulic support and fall the method for frame, comprises the steps:
1) carry out in hydraulic support front that is crooked or that topple over leading cave construction；
2) H shaped steel shack is used to carry out reinforcement supporting to leading cave；
3) draw moving hydraulic support to enter and lead cave position；
4) righting hydraulic support in cave is led.
Described step 1) particularly as follows: at hydraulic support front top board relatively completely, without wall caving, leaky roof position, starts stripping side, and driving leads cave, helps to carry out supporting with anchor pole, anchor cable to the top leading cave immediately, and a support form is cut in supporting parameter reference.
Described cave long axis direction of leading is consistent with fully-mechanized mining working direction of propulsion, and what driving 3m was wide leads cave, and its, end was the most slightly beyond hydraulic support scope that is crooked or that topple at whole story, tunneled along top board, and height mining height normal with fully-mechanized mining working is identical, and leaves surrouding rock deformation space.
Leading cave uses anchor rete cord to carry out supporting, side support anchor rod in top uses Φ 20 × 2100mm left-hand screw filament twisted steel anchor rod, between roofbolt, array pitch is 800 × 750mm, support the use Φ 14 steel bar ladder, to strengthen the globality of roof timbering, every anchor pole selects volume 2 resin anchoring agents to fix, the diamond mesh selecting the establishment of 8# iron wire protects top side, side portion's bolt interval is 1000 × 800mm, anchor cable specification Φ 17.8 × 6500mm, volume 4 resin anchoring agents are selected to fix, coordinate the anchor cable beam that 11# channel-section steel makes, 3 anchor cables are one group, anchor cable beam direction overlaps with hydraulic support long axis direction, between anchor cable is arranged, array pitch is 1000 × 1500mm.
Described top side support anchor rod selects the trade mark to be HRB500, and the specification of described resin anchoring agent is MSCK2550.
Described step 2) particularly as follows: while driving leads cave forward, two groups of H shaped steel shacks are symmetrical along leading cave long axis centerline, and often group H shaped steel shack installs 3 road H shaped steel shack strengthening supporting altogether, H shaped steel shack spacing 1.4m, the every 3m of I-steel mono-, two groups of adjacent H shaped steel shacks are end to end, in 3 straight lines, individual prop array pitch 1m, individual prop applies active force by post footwear to roadway floor, by cap back applied active force, described cap and post vamp are long-pending to be sufficiently large, to avoid being absorbed in tunnel roof and floor.
Described post footwear include post footwear main body, are provided with column casing and needling in the middle part of the upper surface of post footwear main body, and this needling is just located at the bottom of this column casing, are provided with reinforcement between this column casing outer wall and post footwear main body, and this post footwear main body lower surface is provided with shoe tack.
After described step 3) is particularly as follows: lead cave reinforcement supporting, start to advance fully-mechanized mining working, hydraulic support advances with fully-mechanized mining working and progressively moves forward, hydraulic support top beam pierces the complete top plate leading in cave, and hold frame canopy I-steel as vacation top, individual prop and post footwear then along with hydraulic support reach progressively withdraws.
Described step 4), particularly as follows: hydraulic support major part enters after leading cave, begins to use individual prop, jack to coordinate righting pressure support.
Described righting process, according to carrying out the most successively, is slightly aligned, and uses and the mode that carry out is repeated several times circulates and carry out, until all rightings, work surface returns to normal production.
The operation principle of the present invention: first occur that cave is led in hydraulic support men working that is crooked or that topple at coal mine fully-mechanized mining working, then to leading cave enforcement its support reinforcement, progressively draws hydraulic support and moves to lead in cave, straightening support under complete top plate.
The beneficial effects of the present invention is: 1, the present invention uses the principle of " first controlroof; suppression side fall roof; straightening support again ", implement to lead cave method country rock is controlled, i.e. askew to work surface frame region carries out rib and shells side in advance, and Bao Bang district uses anchor pole and steel bar ladder to be used in combination, anchor cable is used in combination with anchor cable beam, rhombus net, individual prop frame canopy combined supporting.2, job safety coefficient is high, on the one hand, stripping side lead cave construction period carry out under top board complete condition tunnel supporting operation, country rock is under active support state, significantly reduce roof accident rate, on the other hand during steady due to during lifting support top board do not sunk by the supporting role of I-steel and adjacent stent, support degree of freedom is higher, it is to avoid wall caving, the extension of roof fall accident.3, controlled on the time, efficiency is high, and the time used by stripping side and each operation of steady can substantially be predicted, substantially without uncertain factor, the duration can be predicted, and mine can be planned as a whole full ore deposit accordingly and produce, it is simple to organization of production is coordinated.All have setting load during steady due to support, extruding degree is low each other, and support constraint degree is little, adjusts frame amplitude big, and substantially without there is increasing the weight of situation, effect is obvious.4, light to equipment damage, owing to wall caving, leaky roof situation are curbed, before frame, between frame, spoil is few, support running resistance is little, reduces and destroys hydraulic jack, and the abrasion of transporting equipment, additionally support roof supporting does not haves point cantact, it is to avoid stress is concentrated, and causes support local pressure to deform.5, simple to operate, labor intensity is low.During straightening support in addition to needing carrying, lifting monomer, support, it is not necessary to clear cash, linked network is faked and is pushed up, substantially without other workloads, labor strength is greatly reduced.6, the present invention carries out full support pattern to leading cave country rock, it is possible to deformation controlling for rock surrounding gateways well, beneficially roof control, can be that support adjusts offer space the most spacious, free, and operating type is the most controlled, and safety coefficient is high.
Accompanying drawing explanation
Fig. 1 is that the present invention digs in advance and leads cave plane of arrangement figure；
Fig. 2 is that the present invention digs in advance and leads cave plane of arrangement figure；
Fig. 3 is the structural representation of post footwear.
Wherein, 1-hydraulic support, 2-H shaped steel shack, 3-anchor cable beam, 4-individual prop, 5-leads cave, 6-anchor cable, 7-anchor pole, 8-post footwear main body, 9-column casing, 10-needling, 11-reinforcement, 12-shoe tack.
Detailed description of the invention
Further illustrate embodiments of the invention below in conjunction with the accompanying drawings.
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of utilization described in this detailed description of the invention is led cave and is processed the askew frame of hydraulic support and fall the method for frame, comprises the steps:
1) carry out leading cave 5 in hydraulic support 1 front that is crooked or that topple over to construct；
2) H shaped steel shack 2 is used to carry out reinforcement supporting to leading cave 5；
3) draw moving hydraulic support 1 to enter and lead cave 5 position；
4) righting hydraulic support 1 in cave 5 is led.
Described step 1) particularly as follows: at hydraulic support 1 front top board relatively completely, without wall caving, leaky roof position, starts stripping side, and driving leads cave 5, helps to carry out supporting with anchor pole 7, anchor cable 6 to the top leading cave 5 immediately, and a support form is cut in supporting parameter reference.
Described cave 5 long axis direction of leading is consistent with fully-mechanized mining working direction of propulsion, and what driving 3m was wide leads cave 5, and its, end was the most slightly beyond hydraulic support 1 scope that is crooked or that topple at whole story, tunneled along top board, and height mining height normal with fully-mechanized mining working is identical, and leaves surrouding rock deformation space.
Leading cave 5 uses anchor rete cord to carry out supporting, side support anchor rod in top uses Φ 20 × 2100mm left-hand screw filament twisted steel anchor rod, between roofbolt, array pitch is 800 × 750mm, support the use Φ 14 steel bar ladder, to strengthen the globality of roof timbering, every anchor pole selects volume 2 resin anchoring agents to fix, the diamond mesh selecting the establishment of 8# iron wire protects top side, side portion's bolt interval is 1000 × 800mm, anchor cable 6 specification Φ 17.8 × 6500mm, volume 4 resin anchoring agents are selected to fix, coordinate the anchor cable beam 3 that 11# channel-section steel makes, 3 anchor cables 6 are one group, anchor cable beam 3 direction overlaps with hydraulic support 1 long axis direction, between anchor cable 6 is arranged, array pitch is 1000 × 1500mm.
Described top side support anchor rod selects the trade mark to be HRB500, and the specification of described resin anchoring agent is MSCK2550.
Described step 2) particularly as follows: while driving leads cave 5 forward, two groups of H shaped steel shacks 2 are symmetrical along leading cave 5 long axis centerline, and often group H shaped steel shack 2 installs 3 road H shaped steel shack 2 strengthening supporting altogether, H shaped steel shack 2 spacing 1.4m, the every 3m of I-steel mono-, two groups of adjacent H shaped steel shacks 2 are end to end, in 3 straight lines, individual prop 4 array pitch 1m, individual prop applies active force by post footwear to roadway floor, by cap back applied active force, described cap and post vamp are long-pending to be sufficiently large, to avoid being absorbed in tunnel roof and floor.
Described post footwear include post footwear main body 8, are provided with column casing 9 and needling 10 in the middle part of the upper surface of post footwear main body 8, and this needling 10 is just located at the bottom of this column casing 9, are provided with reinforcement 11 between this column casing 9 outer wall and post footwear main body 8, and this post footwear main body 8 lower surface is provided with shoe tack 12.
After described step 3) is particularly as follows: lead cave 5 reinforcement supporting, start to advance fully-mechanized mining working, hydraulic support 1 advances with fully-mechanized mining working and progressively moves forward, hydraulic support 1 back timber pierces the complete top plate leading in cave, and hold frame canopy I-steel and then progressively withdraw along with hydraulic support 1 moves forward as vacation top, individual prop 4 and post footwear.
Described step 4), particularly as follows: hydraulic support 1 major part enters after leading cave 5, begins to use individual prop 4, jack to coordinate righting pressure support.
Described righting process, according to carrying out the most successively, is slightly aligned, and uses and the mode that carry out is repeated several times circulates and carry out, until all rightings, work surface returns to normal production.
The operation principle of the present invention: first occur that cave is led in hydraulic support men working that is crooked or that topple at coal mine fully-mechanized mining working, then to leading cave enforcement its support reinforcement, progressively draws hydraulic support and moves to lead in cave, straightening support under complete top plate.The present invention carries out full support pattern to leading cave country rock, it is possible to deformation controlling for rock surrounding gateways well, beneficially roof control, can be that support adjusts offer space the most spacious, free, and operating type is the most controlled, and safety coefficient is high.
The operation principle of this detailed description of the invention: first occur that cave is led in hydraulic support men working that is crooked or that topple at coal mine fully-mechanized mining working, then to leading cave enforcement its support reinforcement, progressively draws hydraulic support and moves to lead in cave, straightening support under complete top plate.
Having the beneficial effects that of this detailed description of the invention: 1, the present invention uses the principle of " first controlroof; suppression side fall roof; straightening support again ", implement to lead cave method country rock is controlled, i.e. askew to work surface frame region carries out rib and shells side in advance, and Bao Bang district uses anchor pole and steel bar ladder to be used in combination, anchor cable is used in combination with anchor cable beam, rhombus net, individual prop frame canopy combined supporting.2, job safety coefficient is high, on the one hand, stripping side lead cave construction period carry out under top board complete condition tunnel supporting operation, country rock is under active support state, significantly reduce roof accident rate, on the other hand during steady due to during lifting support top board do not sunk by the supporting role of I-steel and adjacent stent, support degree of freedom is higher, it is to avoid wall caving, the extension of roof fall accident.3, controlled on the time, efficiency is high, and the time used by stripping side and each operation of steady can substantially be predicted, substantially without uncertain factor, the duration can be predicted, and mine can be planned as a whole full ore deposit accordingly and produce, it is simple to organization of production is coordinated.All have setting load during steady due to support, extruding degree is low each other, and support constraint degree is little, adjusts frame amplitude big, and substantially without there is increasing the weight of situation, effect is obvious.4, light to equipment damage, owing to wall caving, leaky roof situation are curbed, before frame, between frame, spoil is few, support running resistance is little, reduces and destroys hydraulic jack, and the abrasion of transporting equipment, additionally support roof supporting does not haves point cantact, it is to avoid stress is concentrated, and causes support local pressure to deform.5, simple to operate, labor intensity is low.During straightening support in addition to needing carrying, lifting monomer, support, it is not necessary to clear cash, linked network is faked and is pushed up, substantially without other workloads, labor strength is greatly reduced.6, the present invention carries out full support pattern to leading cave country rock, it is possible to deformation controlling for rock surrounding gateways well, beneficially roof control, can be that support adjusts offer space the most spacious, free, and operating type is the most controlled, and safety coefficient is high.
The specific embodiment of the present invention is not construed as limiting the invention, the analog structure of every employing present invention and change, the most within the scope of the present invention.
Claims (8)
1. a utilization is led cave and is processed the askew frame of hydraulic support and fall the method for frame, it is characterised in that comprise the steps:
1) carry out in hydraulic support front that is crooked or that topple over leading cave construction；
2) H shaped steel shack is used to carry out reinforcement supporting to leading cave；
3) draw moving hydraulic support to enter and lead cave position；
4) righting hydraulic support in cave is led.
A kind of utilization the most as claimed in claim 1 is led cave and is processed the askew frame of hydraulic support and fall the method for frame, it is characterized in that: described step 1) is particularly as follows: the most complete at hydraulic support front top board, without wall caving, leaky roof position, start stripping side, driving leads cave, helps to carry out supporting to the top leading cave with anchor pole, anchor cable immediately.
A kind of utilization the most as claimed in claim 2 is led cave and is processed the askew frame of hydraulic support and fall the method for frame, it is characterized in that: described in lead cave long axis direction consistent with fully-mechanized mining working direction of propulsion, what driving 3m was wide leads cave, its, end was the most slightly beyond hydraulic support scope that is crooked or that topple at whole story, tunnel along top board, height mining height normal with fully-mechanized mining working is identical, and leaves surrouding rock deformation space.
nullA kind of utilization the most as claimed in claim 2 is led cave and is processed the askew frame of hydraulic support and fall the method for frame，It is characterized in that: lead cave and use anchor rete cord to carry out supporting，Side support anchor rod in top uses Φ 20 × 2100mm left-hand screw filament twisted steel anchor rod，Between roofbolt, array pitch is 800 × 750mm，Support the use Φ 14 steel bar ladder，To strengthen the globality of roof timbering，Every anchor pole selects volume 2 resin anchoring agents to fix，The diamond mesh selecting the establishment of 8# iron wire protects top side，Side portion's bolt interval is 1000 × 800mm，Anchor cable specification Φ 17.8 × 6500mm，Volume 4 resin anchoring agents are selected to fix，Coordinate the anchor cable beam that 11# channel-section steel makes，3 anchor cables are one group，Anchor cable beam direction overlaps with hydraulic support long axis direction，Between anchor cable is arranged, array pitch is 1000 × 1500mm.
A kind of utilization the most as claimed in claim 1 is led cave and is processed the askew frame of hydraulic support and fall the method for frame, it is characterized in that: described step 2) particularly as follows: while driving leads cave forward, two groups of H shaped steel shacks are symmetrical along leading cave long axis centerline, and often group H shaped steel shack installs 3 road H shaped steel shack strengthening supporting altogether, H shaped steel shack spacing 1.4m, the every 3m of I-steel mono-, two groups of adjacent H shaped steel shacks are end to end, in 3 straight lines, individual prop array pitch 1m, individual prop applies active force by post footwear to roadway floor, by cap, back is applied active force, described cap and post vamp amass and are sufficiently large, to avoid being absorbed in tunnel roof and floor.
A kind of utilization the most as claimed in claim 1 is led cave and is processed the askew frame of hydraulic support and fall the method for frame, it is characterized in that: after described step 3) is particularly as follows: lead cave reinforcement supporting, start to advance fully-mechanized mining working, hydraulic support advances with fully-mechanized mining working and progressively moves forward, hydraulic support top beam pierces the complete top plate leading in cave, and hold frame canopy I-steel as vacation top, individual prop and post footwear then along with hydraulic support reach progressively withdraws.
A kind of utilization the most as claimed in claim 1 is led cave and is processed the askew frame of hydraulic support and fall the method for frame, it is characterised in that: described step 4), particularly as follows: hydraulic support major part enters after leading cave, begins to use individual prop, jack to coordinate righting pressure support.
A kind of utilization the most as claimed in claim 7 is led cave and is processed the askew frame of hydraulic support and fall the method for frame, it is characterized in that: described righting process, according to carrying out the most successively, is slightly aligned, use and the mode that carry out is repeated several times circulates and carry out, until all rightings, work surface returns to normal production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197773.2A CN105840236A (en) | 2016-03-31 | 2016-03-31 | Method using pilot tunnel to process tilting and dumping hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197773.2A CN105840236A (en) | 2016-03-31 | 2016-03-31 | Method using pilot tunnel to process tilting and dumping hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105840236A true CN105840236A (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610197773.2A Pending CN105840236A (en) | 2016-03-31 | 2016-03-31 | Method using pilot tunnel to process tilting and dumping hydraulic support |
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| Country | Link |
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| CN (1) | CN105840236A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761861A (en) * | 2017-03-22 | 2017-05-31 | 枣庄矿业(集团)付村煤业有限公司 | Double articulated roof beams and its method withdrawn for fully mechanized mining supporter |
| CN108104813A (en) * | 2017-11-22 | 2018-06-01 | 临沂矿业集团菏泽煤电有限公司 | A kind of coal-mining method by roof collapse area |
| CN110529115A (en) * | 2019-09-12 | 2019-12-03 | 大同煤矿集团有限责任公司 | A kind of coal-mining method for coping with roof cracking and riding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2151300C1 (en) * | 1999-06-08 | 2000-06-20 | Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт" | Powered support unit |
| CN101906983A (en) * | 2009-06-05 | 2010-12-08 | 李薇薇 | Tilting prevention device for fully mechanized mining hydraulic support |
| CN203730021U (en) * | 2013-11-18 | 2014-07-23 | 山西潞安环保能源开发股份有限公司 | Top coal caving hydraulic support group with transverse-pulling and diagonal-pulling tilting prevention device |
-
2016
- 2016-03-31 CN CN201610197773.2A patent/CN105840236A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2151300C1 (en) * | 1999-06-08 | 2000-06-20 | Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт" | Powered support unit |
| CN101906983A (en) * | 2009-06-05 | 2010-12-08 | 李薇薇 | Tilting prevention device for fully mechanized mining hydraulic support |
| CN203730021U (en) * | 2013-11-18 | 2014-07-23 | 山西潞安环保能源开发股份有限公司 | Top coal caving hydraulic support group with transverse-pulling and diagonal-pulling tilting prevention device |
Non-Patent Citations (1)
| Title |
|---|
| 王绪奎等: "导硐法处理综采面倒架工程实践", 《煤矿现代化》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761861A (en) * | 2017-03-22 | 2017-05-31 | 枣庄矿业(集团)付村煤业有限公司 | Double articulated roof beams and its method withdrawn for fully mechanized mining supporter |
| CN106761861B (en) * | 2017-03-22 | 2019-01-11 | 枣庄矿业(集团)付村煤业有限公司 | Double articulated roof beams and its method withdrawn for fully mechanized mining supporter |
| CN108104813A (en) * | 2017-11-22 | 2018-06-01 | 临沂矿业集团菏泽煤电有限公司 | A kind of coal-mining method by roof collapse area |
| CN108104813B (en) * | 2017-11-22 | 2019-11-05 | 临沂矿业集团菏泽煤电有限公司 | A kind of coal-mining method by roof collapse area |
| CN110529115A (en) * | 2019-09-12 | 2019-12-03 | 大同煤矿集团有限责任公司 | A kind of coal-mining method for coping with roof cracking and riding |
| CN110529115B (en) * | 2019-09-12 | 2021-07-13 | 晋能控股煤业集团有限公司 | Coal mining method for coping with roof crushing and support inclination |
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Application publication date: 20160810 |