CN104763456B - Coal mining tunnel is incorporated as lane or make the return trip empty area's supporting support and the method withdrawing hydraulic support - Google Patents
Coal mining tunnel is incorporated as lane or make the return trip empty area's supporting support and the method withdrawing hydraulic support Download PDFInfo
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- CN104763456B CN104763456B CN201510117778.5A CN201510117778A CN104763456B CN 104763456 B CN104763456 B CN 104763456B CN 201510117778 A CN201510117778 A CN 201510117778A CN 104763456 B CN104763456 B CN 104763456B
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- 238000005065 mining Methods 0.000 title claims abstract description 67
- 239000003245 coal Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 42
- 239000002023 wood Substances 0.000 claims description 65
- 239000007788 liquid Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 241000219422 Urtica Species 0.000 claims description 13
- 235000009108 Urtica dioica Nutrition 0.000 claims description 13
- 238000009423 ventilation Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract description 16
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000178 monomer Substances 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 241001669679 Eleotris Species 0.000 description 4
- OSKIPPQETUTOMW-YHLOVPAPSA-N N-[(2R,3R,4R,5S,6R)-5-[(2S,3R,4R,5S,6R)-3-Acetamido-5-[(2R,3S,4S,5R,6R)-4-[(2R,3S,4S,5S,6R)-3-[(2S,3S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-[[(2S,3S,4S,5R,6R)-6-[[(2S,3S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxymethyl]-3,5-dihydroxy-4-[(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxymethyl]-3,5-dihydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,4-dihydroxy-6-(hydroxymethyl)oxan-3-yl]acetamide Chemical compound O[C@@H]1[C@@H](NC(=O)C)[C@H](O)O[C@H](CO)[C@H]1O[C@H]1[C@H](NC(C)=O)[C@@H](O)[C@H](O[C@@H]2[C@H]([C@@H](O[C@@H]3[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O3)O[C@@H]3[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O3)O[C@@H]3[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O3)O)[C@H](O)[C@@H](CO[C@@H]3[C@H]([C@@H](O[C@@H]4[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O4)O)[C@H](O)[C@@H](CO[C@@H]4[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O4)O[C@@H]4[C@H]([C@@H](O)[C@H](O)[C@@H](CO)O4)O)O3)O)O2)O)[C@@H](CO)O1 OSKIPPQETUTOMW-YHLOVPAPSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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Classifications
-
- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
-
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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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)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
Coal mining tunnel is incorporated as lane or make the return trip empty area's supporting support and the method withdrawing hydraulic support.The invention discloses a kind of coal mining tunnel is incorporated as lane supporting support，It is used for supporting the hydraulic support being incorporated as lane or returning dead zone top plate including the multiple stage being incorporated as lane or area's arrangement of making the return trip empty，Wherein hydraulic support is caving area side near being incorporated as lane，Hydraulic support is vertically arranged in old man's rib side after being incorporated as the frame that lane and area of making the return trip empty have and is set up in parallel，The described lane that is incorporated as is additionally provided with multirow hydraulic single prop，Hydraulic single prop is vertically along being incorporated as lane arrangement and be incorporated as lane and have away from hydraulic support side rib side formation return channel，The top braces of hydraulic single prop are incorporated as lane air channel top board，The invention also discloses a kind of method withdrawing coal mining tunnel supporting support hydraulic support，Using technical scheme，Withdrawn using support material hydraulic support capable of circulation and hydraulic single prop，Ensure that hydraulic support withdraws safely，Avoid hydraulic support withdrawing that potential safety hazard occurs.
Description
Technical field
The invention belongs to coal mining field, it is more particularly related to a kind of coal mining tunnel is incorporated as lane or makes the return trip empty
The supporting support in area and withdraw the method that coal mining tunnel is incorporated as the hydraulic support of supporting support in lane or area of making the return trip empty.
Background technology
At the end of fully-mechanized coalface back production, it is incorporated as lane or makes the return trip empty in area mined out, be largely used to
Support the hydraulic support being incorporated as lane or withdrawing operation area top board, hydraulic support is that one kind produces support force using fluid pressure and realizes
Automatically move and set a kind of hydraulic power unit to carry out roof timbering and management, be that comprehensive mechanical coal mining is indispensable supporting
Equipment, hydraulic support is mainly used in horizontal plane and the gently inclined thick coal seam less than or equal to 20 degree along Sub-Level Caving mining full height of base plate
The longwall full-mechanized mining technique work surface of exploitation, is also applied for severe inclined thick coal seam horizontal slice caving fully mechanized face, and traditional returns
Mode of removing is to be caving formula to withdraw, and this process is to be incorporated as lane rib side, the method that wood point post adds grillage, carries out propping up to being incorporated as lane
Shield, to guarantee the safe space between one 1.0～1.6m of rib side reservation, logical as the pedestrian during withdrawing and ventilation
Road；When mine timber supporting withdraws, often produce large area sky top-hung pressure, and pressure undue concentration phenomenon, easily cause pressure and release suddenly
The netting moment putting, causing laying is cut off the potential safety hazard that paving falls；The Main Function of this process wood point post is temporarily to prop up
Protect the top board in area of making the return trip empty, prevent top board to be caving because losing support, bury hydraulic support to be returned, cause follow-up hydraulic support to return
Remove difficulty, prior art wood point post is using being not less thanRound log, wood point post supports and is incorporated as lane air channel top board and making the return trip empty
The empty top of area's nettle laying, after hydraulic support withdrawing terminates, is incorporated as lane with the point spar material making the return trip empty used by area, grillage etc. all not
Reclaim；Area of making the return trip empty after removing out for hydraulic support, takes the grillage of alternating expression point post goodness of fit spacing, supports paving
Netting wire rope, creates good safe space for withdrawing of next hydraulic support, because timber is propping up of a kind of half soft half steel
Timbering material, such as fruit dot post is beaten not in time, and the empty top in area of making the return trip empty effectively is not supported, and can be caving quickly；Make the return trip empty
Area supports the wood point post hardness difference of netting, angle to differ, and therefore stress degree can not possibly be the same, so in each work surface
During withdrawing, all different degrees of occur with disconnected rope phenomenon, bring major hidden danger to trouble free service, when reach certain across
Away from, large-area empty top and old power station, the brace point post under nettle in the presence of roof Stress, can break with a loud crash disconnected, tear
Split, roof pressure is released, spoil is shaken off, bring serious peace to the work that withdraws of coal mining tunnel comprehensive mining hydraulic bracket
Full hidden danger, and then bring larger economic materials to waste and exploitation losses to mining industry.
Content of the invention
The technical problem to be solved is to provide a kind of guarantee fully-mechanized mining working surface hydraulic support to withdraw safely, it is to avoid
The coal mining tunnel that potential safety hazard in hydraulic support withdrawing is incorporated as lane or the supporting support in area of making the return trip empty.
The invention also discloses withdrawing the method that coal mining tunnel is incorporated as the hydraulic support of supporting support in lane or area of making the return trip empty.
To achieve these goals, the technical scheme that the present invention takes is：A kind of coal mining tunnel being provided be incorporated as lane or
Make the return trip empty the supporting support in area, be used for supporting the hydraulic pressure being incorporated as lane or returning dead zone top plate including the multiple stage being incorporated as lane or area's arrangement of making the return trip empty
Support, wherein hydraulic support are caving area side near being incorporated as lane, and hydraulic support is vertically arranged in the frame being incorporated as that lane and area of making the return trip empty have
Old man's rib side is set up in parallel afterwards, and the described lane that is incorporated as is additionally provided with multirow hydraulic single prop, and hydraulic single prop is vertically along receipts
Make lane arrangement, be incorporated as that lane has form return channel, the top of hydraulic single prop away from hydraulic support side rib side
Support is incorporated as lane air channel top board, and described hydraulic support is also set side by side with and hydraulic pressure near being incorporated as the area side that is caving that lane has
First hydraulic support of support vertical and the second hydraulic support, the first described hydraulic support and the second supporting
Hydraulic support is arranged on the column withdrawing hydraulic support to back timber.
A kind of coal mining tunnel disclosed by the invention is incorporated as lane or the supporting support in area of making the return trip empty, and hydraulic support collapses near being incorporated as lane
Area side of settling in an area and make the return trip empty is provided with the multiple row hydraulic single prop of many laterally staggered arrangements；Wherein each column laterally staggered arrangement
Hydraulic single prop is 5, and staggered hydraulic single prop is each passed through the middle part of the wood point post of accumbency placement, wherein wood
Point post sequentially placed and placed side by side with hydraulic support by staggered parallel.
A kind of coal mining tunnel disclosed by the invention is incorporated as lane or the supporting support in area of making the return trip empty, and return channel is distributed along rib side
The above hydraulic single prop of two row, the top linking wood chip of hydraulic single prop, the wood chip of wherein top linking vertically props up admittedly
Surely it is supported on below the anchor rope supporting plate that coal mining tunnel top has；A line hydraulic pressure can also be arranged between two row hydraulic single props
Individual prop or expendable wood point post.
A kind of coal mining tunnel disclosed by the invention is incorporated as lane or the supporting support in area of making the return trip empty, hydraulic single prop and anchor cable support
Plate is to be detachably connected；The spacing of wherein adjacent hydraulic single prop is consistent with cable interval；Return channel is near area side of making the return trip empty
It is additionally provided with gear bastard coal net.
A kind of coal mining tunnel disclosed by the invention is incorporated as lane or the supporting support in area of making the return trip empty, and return channel is additionally provided with ventilation
Machine, ventilation blower air duct stretches into work surface and withdraws operating area.
The invention also discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty,
Withdraw step as follows：
1) edge is incorporated as lane or the area's hydraulic support that makes the return trip empty props up away from hydraulic monomers more than two row of old man side setting after frame
Post forms return channel with away from hydraulic support side rib side, and vertically edge is incorporated as lane arrangement, hydraulic monomer to hydraulic single prop
The top braces of pillar are incorporated as lane air channel top board；Can also arrange between two row hydraulic single props a line hydraulic single prop or
Person's expendable wood point post；
(2) hydraulic support is often withdrawn out by return channel, be laterally incorporated as lane old man after frame and be caving area and return
The hydraulic single prop of many laterally staggered arrangements of string is squeezed in dead zone, is typically staggered using 5 hydraulic single props, hands over
The hydraulic single prop of staggered arrangement row is each passed through the middle part of the wood point post of accumbency placement, and wherein wood point post sequentially place by staggered parallel
And place side by side with hydraulic support；
(3), after work surface all hydraulic rack restoring, hydraulic single prop carries out manual recovery.
The invention also discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty,
Withdraw step as follows：
(1) withdraw out a supporting support first, adjustment direction is so as to substantially be consistent with cutting a direction；Rise liquid
Pressure support roof supporting, as the first hydraulic support；
After (2) first hydraulic supports have supported top board, the lapping rope in area of making the return trip empty is got ready post and reinforces, then start back
Remove the second hydraulic support；
After (3) second hydraulic supports withdraw out, back timber stretches into below the first hydraulic support, and tail boom uses
The slow strand of frame or hydraulic single prop, by the second hydraulic support traction passage, make the second hydraulic support distance hydraulic pressure to be returned
Support 1m, has supported tail boom rear portion top board with grillage；Under the steel wire rope of close comprehensive mining hydraulic bracket frame side 0.5m to be returned, every
Rope is each to make a call to a wood point post, then withdraws hydraulic support；
(4), after hydraulic support is withdrawn from, to making the return trip empty, the steel wire rope to tail boom position for area's column carries out getting post supporting ready；Then adjust
Whole second hydraulic support is so as to with to cut a direction basically identical, the second hydraulic support inboard safe edge is near treating back
At hydraulic support column；
(5) second hydraulic supports are adjusted, and rise roof supporting, fall the first hydraulic support, by first
Shield hydraulic support is adjusted to and the second hydraulic support parallel position, roof supporting；Edge is incorporated as more than lane stationary arrangement two row
Hydraulic single prop roof supporting and form return channel with away from hydraulic support side rib side, hydraulic single prop is vertical
Along being incorporated as lane arrangement, the top braces of hydraulic single prop are incorporated as lane air channel top board；Acceptable between two row hydraulic single props
Arrangement a line hydraulic single prop or expendable wood point post；
(6), after work surface all hydraulic rack restoring, hydraulic single prop carries out manual recovery.
The invention discloses a kind of method withdrawing coal mining tunnel supporting support hydraulic support, withdraw hydraulic support
Before, frame noseplate is crouched smooth.
The invention discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty, return
Before removing hydraulic support, frame noseplate is crouched smooth；Described often withdraws out a hydraulic support, is propped up with hydraulic single prop
Support firm hydraulic support to straight return channel top board, then above move the first hydraulic support and the second hydraulic support,
Firmly support back dead zone top plate；Often withdraw a hydraulic support, the first hydraulic support and the second supporting liquid along return channel
Pressure support reach one frame distance.
The invention discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty, liquid
Pressure rack restoring during, the outstanding top of more than 15m in roof caving, the hydraulic single prop away from return channel side to
Make the return trip empty under the nettle of section, added using recovery wood point post and make a call to a grillage.
A kind of coal mining tunnel disclosed by the invention is incorporated as lane supporting support, uses including the multiple stage being incorporated as lane or area's arrangement of making the return trip empty
In supporting the hydraulic support being incorporated as lane or returning dead zone top plate, wherein hydraulic support is caving area side, hydraulic support near being incorporated as lane
It is vertically arranged in old man's rib side after being incorporated as the frame that lane and area of making the return trip empty have to be set up in parallel, the described lane that is incorporated as is additionally provided with multirow hydraulic pressure
Individual prop, hydraulic single prop, vertically along being incorporated as lane arrangement, and is incorporated as that lane has away from hydraulic support side rib side shape
Become return channel, the top braces of hydraulic single prop are incorporated as lane air channel top board, using technical scheme, coal mining tunnel
Replace the wood point post of prior art using multiple hydraulic single props, change tradition and be caving disposably disappearing in a large number in formula withdrawing technique
Consumption round log support material, using support material hydraulic support capable of circulation with hydraulic single prop is withdrawn it is ensured that hydraulic support
Safety withdraws, it is to avoid potential safety hazard in hydraulic support withdrawing；Using hydraulic single prop that is recyclable, can recycling, generation
For air channel brace point post, to support and to be incorporated as lane air channel top board；After work surface complete set hydraulic support is removed, air channel hydraulic monomer props up
The mobile hydraulic single prop supporting of post and area of making the return trip empty all reclaims；Constantly withdrawing with hydraulic support, the nettle in area of making the return trip empty
The false top board of laying slowly sinks therewith, it is to avoid prior art is caving top board in formula withdrawing technique and press suddenly, flutters
Drop back into the defect in dead zone and air channel, increased the mined out safety being incorporated as lane or the area's hydraulic support withdrawing that makes the return trip empty；Meanwhile, adopt
This withdraw method, can greatly save be caving in formula withdrawing technique wood point post support cause with diameter greater than's
The consumption of round log, brings considerable economic benefit.
First hydraulic support and the second hydraulic support are set up in parallel using work surface, carry out the movement in area of making the return trip empty
Formula supporting；To support back dead zone top plate, hydraulic pressure to be returned due to employing the first hydraulic support and the second hydraulic support
The security reliability of support operation area is greatly improved；First hydraulic support and the second hydraulic support also constantly on
Move, increased the mined out safety being incorporated as lane or the area's hydraulic support withdrawing that makes the return trip empty.
Hydraulic support is near being incorporated as lane and be caving area and area side of making the return trip empty being provided with the multiple row hydraulic pressure list of many laterally staggered arrangements
Pillar body；The hydraulic single prop of the wherein laterally staggered arrangement of each column is 5, and staggered hydraulic single prop is each passed through
The middle part of the wooden point post that accumbency is placed, wherein sequentially placed and placed side by side with hydraulic support, with interlocking by staggered parallel for wood point post
Hydraulic single prop reinforce hydraulic support withdrawing after occur be caving region, it is to avoid top board occurs and presses suddenly, shake off and make the return trip empty
Area and the defect in air channel, increased the mined out safety being incorporated as lane or the area's hydraulic support withdrawing that makes the return trip empty.
Return channel is distributed the above hydraulic single prop of two row along rib side, and the top of hydraulic single prop is connected wood chip,
The wood chip of wherein top linking vertically props up and is fixedly supported on below the anchor rope supporting plate that coal mining tunnel top has；Two row hydraulic pressure lists
A line hydraulic single prop or expendable wood point post, wherein adjacent hydraulic single prop can also be arranged between pillar body
Spacing consistent with cable interval, be strongly supported on below anchor rope supporting plate, the firm roof supporting of every hydraulic single prop, reach
Setting load, it is to avoid top board is pressed suddenly, increased safety, in order to reach higher support force, two row hydraulic single props it
Between can also arrange a line hydraulic single prop or expendable wood point post, expendable wood point post be scene waste and old time
The recycling of the wood point post received, timber is the backing material of a kind of half soft half steel, and the roof caving in area of making the return trip empty can be pushed
Hydraulic single prop plays the effect of buffering, it is to avoid the damage to hydraulic single prop for the excessive impulsive force, meanwhile, effectively utilizes
Live reclaim wood point post；The top linking wood chip of hydraulic single prop, the wood chip of wherein top linking vertically props up fixing
Below the anchor rope supporting plate that coal mining tunnel top has, hydraulic single prop and anchor rope supporting plate are to be detachably connected, and withdraw logical for support
Road work surface near make the return trip empty area inboard be additionally provided with gear bastard coal net, cooperation anchor net to hydraulic single prop with paving fall spoil carry out every
From preventing spoil from tumbling damage hydraulic single prop it is ensured that work surface all hydraulic individual prop recycle without damage.
Hydraulic single prop and anchor rope supporting plate are to be detachably connected；Between the spacing of wherein adjacent hydraulic single prop and anchor cable
Away from consistent, it is the protective measure that hydraulic single prop is taken that hydraulic single prop is connected with anchor rope supporting plate, and every hydraulic monomer props up
Post all must carry out second protection using 8# iron wire with anchor rope supporting plate is affixed.
Return channel is additionally provided with ventilation blower, and ventilation blower air duct extend into work surface and withdraws operating area, strengthens being incorporated as lane
Ventilation it is ensured that withdrawing the safety of work.
The invention also discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty,
Withdraw step as follows：
(1) edge is incorporated as lane or the area's hydraulic support that makes the return trip empty props up away from hydraulic monomers more than two row of old man side setting after frame
Post forms return channel with away from hydraulic support side rib side, and vertically edge is incorporated as lane arrangement, hydraulic monomer to hydraulic single prop
The top braces of pillar are incorporated as lane air channel top board；Can also arrange between two row hydraulic single props a line hydraulic single prop or
Person's expendable wood point post；
(2) hydraulic support is often withdrawn out by return channel, be laterally incorporated as lane old man after frame and be caving area and return
The hydraulic single prop of many laterally staggered arrangements of string is squeezed in dead zone, is typically staggered using 5 hydraulic single props, hands over
The hydraulic single prop of staggered arrangement row is each passed through the middle part of the wood point post of accumbency placement, and wherein wood point post sequentially place by staggered parallel
And place side by side with hydraulic support；
(3), after work surface all hydraulic rack restoring, hydraulic single prop carries out manual recovery.
Using technical scheme, for the coal mining tunnel using small-sized hydraulic support, during hydraulic support withdrawing,
Withdraw from the region of hydraulic support, lane is caving lane or area of making the return trip empty is laterally staggered squeezes into 5 using being laterally incorporated as outside old man after frame
Hydraulic single prop is staggered, and staggered hydraulic single prop is each passed through the side at the middle part of wood point post of accumbency placement
Formula carries out supporting, process is simple, ensure that the mined out safety being incorporated as lane or the area's hydraulic support withdrawing that makes the return trip empty simultaneously.
The invention also discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty,
Withdraw step as follows：
(1) withdraw out a supporting support first, adjustment direction is so as to substantially be consistent with cutting a direction；Rise liquid
Pressure support roof supporting, as the first hydraulic support；
After (2) first hydraulic supports have supported top board, the lapping rope in area of making the return trip empty is got ready post and reinforces, then start back
Remove the second hydraulic support；
After (3) second hydraulic supports withdraw out, back timber stretches into below the first hydraulic support, and tail boom uses
The slow strand of frame or hydraulic single prop, by the second hydraulic support traction passage, make the second hydraulic support distance hydraulic pressure to be returned
Support 1m, has supported tail boom rear portion top board with grillage；Under the steel wire rope of close comprehensive mining hydraulic bracket frame side 0.5m to be returned, every
Rope is each to make a call to a wood point post, then withdraws hydraulic support；
(4), after hydraulic support is withdrawn from, to making the return trip empty, the steel wire rope to tail boom position for area's column carries out getting post supporting ready；Then adjust
Whole second hydraulic support is so as to with to cut a direction basically identical, the second hydraulic support inboard safe edge is near treating back
At hydraulic support column；
(5) second hydraulic supports are adjusted, and rise roof supporting, fall the first hydraulic support, by first
Shield hydraulic support is adjusted to and the second hydraulic support parallel position, roof supporting；Edge is incorporated as more than lane stationary arrangement two row
Hydraulic single prop roof supporting and form return channel with away from hydraulic support side rib side, hydraulic single prop is vertical
Along being incorporated as lane arrangement, the top braces of hydraulic single prop are incorporated as lane air channel top board；Acceptable between two row hydraulic single props
Arrangement a line hydraulic single prop or expendable wood point post；
(6), after work surface all hydraulic rack restoring, hydraulic single prop carries out manual recovery；Technology using the present invention
Scheme, changes traditional timber and supports and be slowly caving formula and withdraw as no mine timber supporting, using hydraulic support capable of circulation and hydraulic pressure list
The mobile support of pillar body support material is made the return trip empty area, reduce disposable consume round log support material, saved production cost；Ensure liquid
Pressure support withdraws safely, it is to avoid potential safety hazard in hydraulic support withdrawing；Overcome and reach certain span, large-area empty top
And old power station, the brace point post under nettle, in the presence of roof Stress, can break disconnected, tear, roof pressure obtains with a loud crash
Release, spoil shakes off, and withdraws, to coal mining tunnel comprehensive mining hydraulic bracket, the defect that work brings serious potential safety hazard, with
When implement no mine timber remove technology when, remove wood point post from and add the method for grillage and manually lift fortune timber, cross cut saw timber, beat air channel point
Post, the lower post of rope that knit a net, cut net release of pressure, beat the operations such as grillage, greatly improving the progress of withdrawing, improve productivity effect, reduce
Production cost；Reduce labor intensity；Work surface all hydraulic rack restoring out after, hydraulic single prop carries out manual recovery；
When reclaiming hydraulic single prop, handled to hydraulic single prop release using long handle release, confirm hydraulic single prop and anchor cable
Supporting plate completely disengages from, anchor rope supporting plate will not avalanche when there is inbreak, using artificial by hydraulic single prop shipped off-site.
Before withdrawing hydraulic support, frame noseplate is crouched smooth, it is to avoid when support withdraws from tuning, base plate out-of-flatness,
Because the poor flatness of base plate causes support crooked it is ensured that the safety of equipment.
Often withdraw out a hydraulic support, with hydraulic single prop firm supporting hydraulic support to straight return channel top
Plate, then upper shifting the first hydraulic support and the second hydraulic support, firmly support back dead zone top plate；Every along return channel
Withdraw a hydraulic support, the first hydraulic support and the second hydraulic support reach one frame distance, support assorted twists slowly
Traction, interlaced upper shifting, support lapping steel wire rope, provide safe and reliable operation empty for withdrawing of next hydraulic support
Between；After often withdrawing out a hydraulic support, use in time hydraulic single prop firm supporting support to straight return channel top board, so
Upper shifting hydraulic support, firmly supports back dead zone top plate afterwards；When supporting nettle using hydraulic single prop, use above monomer
Waste and old sleeper or timber wedge are connect with nettle support, sleeper or timber wedge is vertical with steel wire rope props up, when wire netting fracture phenomena, in pillow
Bar-mat reinforcement or discarded spillplate is put so as to closely protect top board, it is to avoid leakage cash occurs it is ensured that withdrawing region on wood or timber wedge
Safe operation.
Below with reference to drawings and Examples, the present invention is described in detail.
Brief description
Below the labelling of the content expressed by this specification each width accompanying drawing and in figure is briefly described：
Fig. 1 is incorporated as the schematic diagram of the supporting support embodiment 1 in lane or area of making the return trip empty for a kind of coal mining of present invention tunnel；
Fig. 2 is incorporated as the schematic diagram of the supporting support embodiment 2 in lane or area of making the return trip empty for a kind of coal mining of present invention tunnel.
In figure is labeled as：1st, hydraulic support；2nd, hydraulic single prop；3rd, away from hydraulic support side rib side；4th, first
Hydraulic support；5th, the second hydraulic support；6th, make the return trip empty area；7th, return channel；8th, old man after frame；9th, staggered liquid
Pressure individual prop.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, each structure for example involved to the specific embodiment of the present invention
Mutual alignment between the shape of part, construction, each several part and annexation, the effect of each several part and operation principle, manufacturing process
And operate with method etc., be described in further detail, with help those skilled in the art to the inventive concept of the present invention,
Technical scheme has more complete, accurate and deep understanding.
Embodiment 1
Fig. 1 is incorporated as the schematic diagram of the supporting support embodiment 1 in lane or area of making the return trip empty for a kind of coal mining of present invention tunnel；As schemed
A kind of coal mining of the present invention tunnel showing is incorporated as lane or the supporting support in area of making the return trip empty, and uses including the multiple stage being incorporated as lane or area's arrangement of making the return trip empty
In supporting the hydraulic support 1 being incorporated as lane or returning dead zone top plate, wherein hydraulic support 1 is caving area side near being incorporated as lane, and hydraulic pressure props up
Frame 1 is vertically arranged in old man 8 rib side after being incorporated as the frame that lane and area of making the return trip empty have and is set up in parallel, and is incorporated as lane and is additionally provided with multirow hydraulic pressure list
Pillar body 2, the vertical edge of hydraulic single prop 2 is incorporated as lane arrangement, and is incorporated as that lane has away from hydraulic support 1 side rib side shape
Become return channel 7, the top braces of hydraulic single prop 2 are incorporated as lane air channel top board；Hydraulic support 1 is caving area one near being incorporated as lane
Side is also set side by side with first hydraulic support 4 vertical with hydraulic support 1 and the second hydraulic support 5, the first supporting
Hydraulic support 4 and the second hydraulic support 5 are arranged on the column withdrawing hydraulic support 1 to back timber；Return channel 7 is along rib
Side is distributed the above hydraulic single prop of two row 2, the top linking wood chip of hydraulic single prop 2, and the wood chip of wherein top linking hangs down
Directly prop up and be fixedly supported on below the anchor rope supporting plate that coal mining tunnel top has；Can also arrange between two row hydraulic single props 2
Row a line hydraulic single prop 2 or expendable wood point post；Hydraulic single prop 2 and anchor rope supporting plate are to be detachably connected；
The spacing of wherein adjacent hydraulic single prop 2 is consistent with cable interval；Hydraulic single prop 2 and anchor rope supporting plate are detachably to connect
Connect；The spacing of wherein adjacent hydraulic single prop 2 is consistent with cable interval；Return channel 7 is additionally provided with gear coal near area side of making the return trip empty
Cash net；Return channel 7 is additionally provided with ventilation blower, and ventilation blower air duct stretches into and is incorporated as at the fence that lane has.
Using technical scheme, coal mining tunnel adopts multiple hydraulic single props to replace the wooden point of prior art
Post, changes disposable consumption a large amount of round log support material that tradition is caving in formula withdrawing technique, for using mine timber supporting on a small quantity, utilizes
Support material hydraulic single prop 2 capable of circulation is withdrawn it is ensured that hydraulic support 1 safety withdraws, it is to avoid hydraulic support 1 withdraws out
Existing potential safety hazard；Using hydraulic single prop 2 that is recyclable, can recycling, replace air channel brace point post, to support and to be incorporated as
Lane air channel top board；First hydraulic support 4 and the second hydraulic support 5 are set up in parallel using work surface, carry out making the return trip empty area
Portable supporting；After work surface complete set hydraulic support 1 is removed, the mobile liquid supporting of air channel hydraulic single prop 2 and area of making the return trip empty
Pressure individual prop 2 all reclaims；To support and to make the return trip empty due to employing the first hydraulic support 4 and the second hydraulic support 5
Area's top board, the security reliability of hydraulic support 1 operation area to be returned is greatly improved；With constantly withdrawing of hydraulic support 1, the
One hydraulic support 4 and the also constantly upper shifting of the second hydraulic support 5, the false top board of the nettle laying in area of making the return trip empty is slow
Sink therewith, it is to avoid prior art is caving top board in formula withdrawing technique and press suddenly, shakes the defect in make the return trip empty area and air channel off,
Increased and mined out be incorporated as lane or safety that the area's hydraulic support 1 that makes the return trip empty withdraws；Meanwhile, method, Ke Yi great are withdrawn using this
Big save be caving wood point post in formula withdrawing technique support cause with diameter greater thanRound log consumption, bring considerable
Economic benefit.
Return channel 7 work surface top is additionally provided with spillplate, and the spoil that cooperation anchor net is fallen with paving to hydraulic single prop 2 enters
Row isolation, prevents spoil from tumbling damage hydraulic single prop 2 it is ensured that work surface all hydraulic individual prop 2 recycle without damage；Withdraw
Passage 7 is distributed two row hydraulic single props along rib side, arrangement string wood point post, hydraulic pressure list between two row hydraulic single props 2
The top linking wood chip of pillar body 2, the wood chip of wherein top linking vertically props up and is fixedly supported on what coal mining tunnel top had
Below anchor rope supporting plate, hydraulic single prop 2 and anchor rope supporting plate are to be detachably connected；The spacing of wherein adjacent hydraulic single prop 2
Consistent with cable interval, strongly it is supported on below anchor rope supporting plate, the firm roof supporting of every hydraulic single prop 2, reach just support
Power, it is to avoid top board is pressed suddenly, increased safety.
Hydraulic single prop 2 and anchor rope supporting plate are to be detachably connected；The spacing of wherein adjacent hydraulic single prop 2 and anchor cable
Spacing is consistent, and it is the protective measure that hydraulic single prop 2 is taken that hydraulic single prop 2 is connected with anchor rope supporting plate, every hydraulic pressure list
Pillar body 2 all must carry out second protection using 8# iron wire with anchor rope supporting plate is affixed.
Return channel 7 is additionally provided with ventilation blower, and ventilation blower air duct extend into work surface and withdraws operating area, strengthens being incorporated as lane
Ventilation it is ensured that withdrawing the safety of work.
The invention also discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty,
Withdraw step as follows：
(1) withdraw out a supporting support first, adjustment direction is so as to substantially be consistent with cutting a direction；Rise liquid
Pressure support roof supporting, as the first hydraulic support 4；
After (2) first hydraulic supports 4 have supported top board, the lapping rope in area of making the return trip empty is got ready post and reinforces, then start
Withdraw the second hydraulic support 5；
After (3) second hydraulic supports 5 withdraw out, back timber stretches into below the first hydraulic support 4, and tail boom uses
Go out the slow strand of frame or the second hydraulic support 5 is drawn passage by hydraulic single prop 2, so that the second hydraulic support 5 distance is treated
Return hydraulic support 1m, support tail boom rear portion top board with grillage；Under the steel wire rope of close hydraulic support 1 frame side 0.5m to be returned,
Every rope each make a call to one wood point post, then withdraw hydraulic support 1；
(4), after hydraulic support 1 is withdrawn from, to making the return trip empty, the steel wire rope to tail boom position for area's column carries out getting post supporting ready；Then
Adjust the second hydraulic support 5 so as to with to cut a direction basically identical, the inboard safe edge of the second hydraulic support 5 is close
At hydraulic support 1 column to be returned；
(5) second hydraulic supports 5 are adjusted, and rise roof supporting, fall the first hydraulic support 4, by first
Hydraulic support 4 is adjusted to and the second hydraulic support 5 parallel position, roof supporting；Edge is incorporated as lane stationary arrangement two row
Above hydraulic single prop 2 roof supporting simultaneously forms return channel 7 with away from hydraulic support side rib side, and hydraulic monomer props up
The vertical edge of post 2 is incorporated as lane arrangement, and the top braces of hydraulic single prop 2 are incorporated as lane air channel top board；Two row hydraulic single props 2 it
Between can also arrange a line hydraulic single prop 2 or expendable wood point post；
(6), after work surface all hydraulic support 1 withdraws, hydraulic single prop 2 carries out manual recovery.
Before withdrawing hydraulic support, frame noseplate is crouched smooth, often withdraw out a hydraulic support 1, use hydraulic monomer
Pillar 2 firm supporting hydraulic support 1 is to straight return channel top board, then upper shifting the first hydraulic support 4 and the second supporting
Hydraulic support 5, firmly supports back dead zone top plate；Often withdraw a hydraulic support 1, the first hydraulic support 4 along return channel 7
With the second hydraulic support 5 reach one frame distance；During hydraulic support 1 withdraws, the outstanding of more than 15m in roof caving
Top, using the point spar material reclaiming, away from return channel 7 side hydraulic single prop 2 under the nettle of mined out section, plus beat
One grillage；Make the return trip empty area add beat grillage position, with hold in the palm support lapping steel wire rope based on, old man 8 ragged edge must not after frame for grillage
Beyond return channel 7 second row anchor cable, grillage is during horizontal " # " font arrangement it is not necessary to be fixed using harrow nail or iron wire binding,
Grillage is it is necessary to using harrow nail in addition fixation when tilting " # " font arrangement, or is reinforced it is ensured that withdrawing using iron wire binding
The safety in operation element face.
After often withdrawing out a hydraulic support 1, in time by support to straight return channel top board, with hydraulic single prop 2
Firm supporting, then interlock upper shifting the first hydraulic support 4 and the second hydraulic support 5, firmly supports back dead zone top plate；
When supporting nettle using hydraulic single prop 2, connect with nettle support using waste and old sleeper or timber wedge above hydraulic single prop 2, pillow
Wood or timber wedge is vertical with steel wire rope props up；When wire netting fracture phenomena occurs, bar-mat reinforcement or discarded is put on sleeper or timber wedge
Spillplate so as to closely protect top board, it is to avoid occur leakage cash.
Using technique scheme of the present invention, traditional being supported using a large amount of timber of change is slowly caving formula and withdraws as no cheating
Wooden support, is made the return trip empty area using the mobile support of the hydraulic support 1 that can be recycled and hydraulic single prop 2 support material, reduces one
Secondary property consumes round log support material, has saved production cost；Ensure that hydraulic support 1 safety withdraws, it is to avoid hydraulic support 1 withdraws out
Existing potential safety hazard；Overcome and reach certain span, large-area void is pushed up and old power station, and the brace point post under nettle is on top
In the presence of plate stress, disconnected, tear can be broken with a loud crash, roof pressure is released, and spoil is shaken off, to coal mining tunnel fully mechanized mining liquid
Pressure support withdraw the defect that work brings serious potential safety hazard, implement simultaneously no mine timber remove technology when, remove from wood point post
Plus the method for grillage manually lift fortune timber, cross cut saw timber, beat air channel point post, knit a net restrict lower post, cut net release of pressure, beat the works such as grillage
Sequence, greatly improves the progress of withdrawing, and improves productivity effect, reduces production cost；Reduce labor intensity.
Fully-mechanized mining working surface hydraulic support 1, using the construction technology of no mine timber remove technology, changes tradition and is caving formula withdrawing technique
In disposable consumption round log support material, for no mine timber supporting, withdrawn using support material form capable of circulation, averagely often
Return a hydraulic support and save 2000～3500 yuan, the ZZ13000-27/60D type liquid being used with one of mining area work surface
As a example pressure support, averagely every withdraws a hydraulic support, needs to consume 3100 yuan, work surface totally 168 hydraulic supports, Quan Gong
Withdraw end as face, minimum to consume 520,000 yuan of mine timbers, greatly save cost；Save substantial amounts of mine timber consumption, reduce ton coal and become
This；During fully-mechanized mining working withdraws, averagely every hydraulic support uses 15～22 timber, for return channel 7 supporting, net
The lower supporting of rope and beat grillage, by timber price calculating in 2012, averagely each withdraw one, work surface light supporting mine timber so that it may
20～300,000 yuan of saving fund, if 1 year withdraws work surface calculating by 4, can save 80～1,200,000 yuan of fund；Using no cheating
It is only necessary to be supported just using the hydraulic single prop of 2.2～4.5m after wooden new technique withdrawing technique, remove wood point post from and add grillage
Method manually lift fortune timber, cross cut saw timber, beat air channel point post, knit a net restrict lower post, cut net release of pressure, beat the operations such as grillage, greatly
Big raising withdraws progress, improves productivity effect, substantially reduces worker's labor intensity.
Embodiment 2
Fig. 2 is incorporated as the schematic diagram of the supporting support embodiment 2 in lane or area of making the return trip empty for a kind of coal mining of present invention tunnel, as schemed institute
A kind of coal mining of the present invention tunnel showing is incorporated as lane or the supporting support in area of making the return trip empty, and uses including the multiple stage being incorporated as lane or area's arrangement of making the return trip empty
In supporting the hydraulic support 1 being incorporated as lane or returning dead zone top plate, wherein hydraulic support 1 is caving area side near being incorporated as lane, and hydraulic pressure props up
Frame 1 is vertically arranged in and is incorporated as old man 8 rib side after lane is caving the frame that lane or area of making the return trip empty have and is set up in parallel, and is incorporated as lane and is additionally provided with multirow
Hydraulic single prop 2, the vertical edge of hydraulic single prop 2 is incorporated as lane arrangement, and is incorporated as that lane has away from hydraulic support 1 side coal
Wall side forms return channel 7, and the top braces of hydraulic single prop 2 are incorporated as lane air channel top board；Hydraulic support 1 collapses near being incorporated as lane
Area side of settling in an area and make the return trip empty is provided with the hydraulic single prop 9 by many laterally staggered arrangements for the multiple row；The wherein laterally staggered row of each column
The hydraulic single prop 9 of row is 5, and staggered hydraulic single prop 9 is each passed through the middle part of the wood point post of accumbency placement,
Wherein wood point post sequentially placed and placed side by side with hydraulic support 1 by staggered parallel；Other structures are same with embodiment 1.
The invention also discloses a kind of withdraw the method that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty,
Withdraw step as follows：
(1) along the hydraulic monomer being incorporated as more than two row that lane or the area's hydraulic support that makes the return trip empty are arranged away from old man after frame 8 side
Pillar 2 forms return channel 7 with away from hydraulic support 1 side rib side, and the vertical edge of hydraulic single prop 2 is incorporated as lane arrangement, liquid
The top braces of pressure individual prop 2 are incorporated as lane air channel top board；A line hydraulic pressure list can also be arranged between two row hydraulic single props 2
Pillar body 2 or expendable wood point post；
(2) hydraulic support 1 is often withdrawn out by return channel 7, be laterally incorporated as old man 8 after frame lane be caving area and
Area of making the return trip empty squeezes into the hydraulic single prop 9 of many laterally staggered arrangements of string, is typically propped up using 5 staggered hydraulic monomers
Post 9, staggered hydraulic single prop 9 is each passed through the middle part of the wood point post of accumbency placement, and wherein wood point post sequentially interlocks
It is placed in parallel and place side by side with hydraulic support 1；
(3), after work surface all hydraulic support 1 withdraws, hydraulic single prop 2 carries out manual recovery.
Using technical scheme, for the coal mining tunnel using small-sized hydraulic support 1, when hydraulic support 1 withdraws,
In the region having withdrawn from hydraulic support 1, laterally it is incorporated as that lane is caving lane or area of making the return trip empty is laterally staggered squeezes into using old man after frame 8 is outer
The mode of the hydraulic single prop 9 of 5 laterally staggered arrangements carries out supporting, and staggered hydraulic single prop 9 is each passed through
The middle part of the wood point post that accumbency is placed, wherein wood point post sequentially placed and placed side by side with hydraulic support 1, this knot by staggered parallel
Structure, not only process is simple, secondary protection is carried out to staggered hydraulic single prop 9, ensure that simultaneously and mined out be incorporated as lane
Or the safety of the area's hydraulic support withdrawing that makes the return trip empty.
Above in conjunction with accompanying drawing, the present invention is exemplarily described it is clear that the present invention implements is not subject to aforesaid way
Restriction, as long as employing the improvement of various unsubstantialities that method of the present invention design and technical scheme are carried out, or without changing
Enter and the design of the present invention and technical scheme are directly applied to other occasions, all within protection scope of the present invention.
Claims (9)
1. a kind of coal mining tunnel be incorporated as lane or area of making the return trip empty supporting support it is characterised in that：Arrange including being incorporated as lane or area of making the return trip empty
Multiple stage be used for supporting the hydraulic support being incorporated as lane or returning dead zone top plate, wherein hydraulic support is caving area side near being incorporated as lane,
Hydraulic support is vertically arranged in old man's rib side after being incorporated as the frame that lane and area of making the return trip empty have and is set up in parallel, and the described lane that is incorporated as is additionally provided with
Multirow hydraulic single prop, hydraulic single prop, vertically along being incorporated as lane arrangement, and is incorporated as that lane has away from hydraulic support side
Rib side forms return channel, and the top braces of hydraulic single prop are incorporated as lane air channel top board, and described hydraulic support is near receipts
Also it is set side by side with first hydraulic support vertical with hydraulic support and the second supporting liquid as the area side that is caving that lane has
Pressure support, the first described hydraulic support and the second hydraulic support are arranged on the column withdrawing hydraulic support to back timber
Place.
2. according to a kind of coal mining tunnel described in claim 1 be incorporated as lane or area of making the return trip empty supporting support it is characterised in that：Described
Hydraulic support near being incorporated as lane and be caving area and area side of making the return trip empty being provided with the multiple row hydraulic single prop of many laterally staggered arrangements；
The hydraulic single prop of the wherein laterally staggered arrangement of each column is 5, and staggered hydraulic single prop is each passed through accumbency and puts
The middle part of the wood point post put, wherein wood point post sequentially placed and placed side by side with hydraulic support by staggered parallel.
3. according to a kind of coal mining tunnel described in claim 1 be incorporated as lane or area of making the return trip empty supporting support it is characterised in that：Described
Return channel along rib side be distributed the above hydraulic single prop of two row, hydraulic single prop top linking wood chip, wherein push up
The wood chip of end linking vertically props up and is fixedly supported on below the anchor rope supporting plate that coal mining tunnel top has；Two row hydraulic single props
Between can also arrange a line hydraulic single prop or expendable wood point post.
4. according to a kind of coal mining tunnel described in claim 3 be incorporated as lane or area of making the return trip empty supporting support it is characterised in that：Described
Hydraulic single prop and anchor rope supporting plate be to be detachably connected；The spacing of wherein adjacent hydraulic single prop and cable interval one
Cause；Return channel is additionally provided with gear bastard coal net near area side of making the return trip empty.
5. according to a kind of coal mining tunnel described in claim 1 be incorporated as lane or area of making the return trip empty supporting support it is characterised in that：Described
Return channel be additionally provided with ventilation blower, ventilation blower air duct stretches into work surface and withdraws operating area.
6. a kind of withdrawing is incorporated as lane or the liquid of area's supporting support of making the return trip empty according to the coal mining tunnel described in any one of Claims 1 to 5
Pressure support method it is characterised in that：Withdraw step as follows：
(1) along be incorporated as lane or make the return trip empty area's hydraulic support away from after frame old man side setting two row more than hydraulic single prop with
Form return channel away from hydraulic support side rib side, vertically edge is incorporated as lane arrangement, hydraulic single prop to hydraulic single prop
Top braces be incorporated as lane air channel top board；A line hydraulic single prop or not can also be arranged between two row hydraulic single props
Callable wood point post；
(2) hydraulic support is often withdrawn out by return channel, be laterally incorporated as lane old man after frame and be caving area and area of making the return trip empty
Squeeze into the hydraulic single prop of many laterally staggered arrangements of string, using 5 staggered hydraulic single props, be staggered
Hydraulic single prop be each passed through accumbency placement wood point post middle part, wherein wood point post sequentially staggered parallel place and and liquid
Pressure support is placed side by side；
(3), after work surface all hydraulic rack restoring, hydraulic single prop carries out manual recovery.
7. a kind of withdrawing is incorporated as lane or the liquid of area's supporting support of making the return trip empty according to the coal mining tunnel described in any one of Claims 1 to 5
Pressure support method it is characterised in that：Withdraw step as follows：
(1) withdraw out a supporting support first, adjustment direction is so as to substantially be consistent with cutting a direction；Rise hydraulic pressure to prop up
Frame roof supporting, as the first hydraulic support；
After (2) first hydraulic supports have supported top board, the lapping rope in area of making the return trip empty is got ready post and reinforces, then start to withdraw the
Two hydraulic supports；
After (3) second hydraulic supports withdraw out, back timber stretches into below the first hydraulic support, and tail boom is slow using going out frame
Twist or hydraulic single prop is by the second hydraulic support traction passage, make the second hydraulic support distance hydraulic support to be returned
1m, has supported tail boom rear portion top board with grillage；Under the steel wire rope of comprehensive mining hydraulic bracket frame side 0.5m to be returned, every rope is each
Make a call to a wood point post, then withdraw hydraulic support；
(4), after hydraulic support is withdrawn from, to making the return trip empty, the steel wire rope to tail boom position for area's column carries out getting post supporting ready；Then adjustment the
Two hydraulic supports are so as to with to cut a direction basically identical, the second hydraulic support inboard safe edge is near hydraulic pressure to be returned
At bracket upright post；
(5) second hydraulic supports are adjusted, and rise roof supporting, fall the first hydraulic support, by the first supporting liquid
Pressure support is adjusted to and the second hydraulic support parallel position, roof supporting；Along the liquid being incorporated as more than lane stationary arrangement two row
Pressure individual prop roof supporting simultaneously forms return channel with away from hydraulic support side rib side, and hydraulic single prop is vertically along receipts
Make lane arrangement, the top braces of hydraulic single prop are incorporated as lane air channel top board；Can also arrange between two row hydraulic single props
A line hydraulic single prop or expendable wood point post；
(6), after work surface all hydraulic rack restoring, hydraulic single prop carries out manual recovery.
8. withdraw, according to a kind of described in claim 7, the side that coal mining tunnel is incorporated as the hydraulic support of lane or area's supporting support of making the return trip empty
Method it is characterised in that：Described withdraw hydraulic support before, frame noseplate is crouched smooth；Often withdraw out a hydraulic support,
With hydraulic single prop firm supporting hydraulic support to straight return channel top board, then upper move the first hydraulic support and the
Two hydraulic supports, firmly support back dead zone top plate；Often withdraw a hydraulic support along return channel, the first supporting hydraulic pressure props up
Frame and the second hydraulic support reach one frame distance.
9. it is incorporated as lane or the hydraulic support of area's supporting support of making the return trip empty according to a kind of coal mining tunnel that withdraws described in claim 6 or 7
Method it is characterised in that：During described hydraulic support withdrawing, the outstanding top of more than 15m in roof caving, away from return
The hydraulic single prop removing passage side is under the nettle of the section that makes the return trip empty, plus makes a call to a grillage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510117778.5A CN104763456B (en) | 2015-03-17 | 2015-03-17 | Coal mining tunnel is incorporated as lane or make the return trip empty area's supporting support and the method withdrawing hydraulic support |
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| CN201510117778.5A CN104763456B (en) | 2015-03-17 | 2015-03-17 | Coal mining tunnel is incorporated as lane or make the return trip empty area's supporting support and the method withdrawing hydraulic support |
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| CN105569702A (en) * | 2016-01-11 | 2016-05-11 | 安徽理工大学 | Non-pitwood withdrawing method for hydraulic supports during fully mechanized face withdrawing |
| CN106523015A (en) * | 2016-12-27 | 2017-03-22 | 贵州盘江精煤股份有限公司 | Recycling-period ventilating structure for coal face and construction method of recycling-period ventilating structure |
| CN109779661A (en) * | 2019-01-07 | 2019-05-21 | 霍州煤电集团有限责任公司辛置煤矿 | Fully mechanized coal face crosses the roadway support construction method in point blank sky lane |
| CN110821537B (en) * | 2019-11-29 | 2021-02-09 | 淮矿西部煤矿投资管理有限公司 | Support method for fully-mechanized coal mining face pre-digging single-withdrawing channel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3806833A1 (en) * | 1988-03-03 | 1989-09-14 | Hilti Ag | POWDER POWERED BOLT SETTING DEVICE |
| CN102444416B (en) * | 2011-12-24 | 2014-07-16 | 中国煤炭科工集团太原研究院 | Fully mechanized mining face hydraulic support beam-type retracting device |
| CN102900444B (en) * | 2012-09-10 | 2015-03-18 | 山西晋城无烟煤矿业集团有限责任公司 | Improved withdrawing technology for hydraulic supports on fully mechanized coal face |
| CN203114307U (en) * | 2013-03-13 | 2013-08-07 | 河南永华能源有限公司 | Structure for assembling and disassembling coal mining fully mechanized mining support for mining three-soft coal bed |
| CN103742192A (en) * | 2013-11-19 | 2014-04-23 | 辽宁鑫丰矿电设备制造有限公司 | Fully-mechanized-coal-mining-face mechanization withdrawing method |
| CN203756207U (en) * | 2014-01-21 | 2014-08-06 | 山东科技大学 | Support device for fully-mechanized caving face transport crossheading near goaf section support and coal drawing |
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