CN205532650U - Roof support structure and well worker colliery withdrawing working face that has this structure - Google Patents
Roof support structure and well worker colliery withdrawing working face that has this structure Download PDFInfo
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- CN205532650U CN205532650U CN201620155295.4U CN201620155295U CN205532650U CN 205532650 U CN205532650 U CN 205532650U CN 201620155295 U CN201620155295 U CN 201620155295U CN 205532650 U CN205532650 U CN 205532650U
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- support
- cover frame
- goaf
- roof
- support structure
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Abstract
The utility model relates to a well worker combines the bearing structure technical field who adopts the working face in the pit in the colliery, especially relates to a roof support structure and well worker colliery withdrawing working face that has this structure. The utility model discloses a fixed shield support group of roof support structure supports between the coal group and collecting space area in main withdrawing passageway, a plurality of is waited to remove the support and is all set up in main withdrawing passageway, and sets up in proper order along the lateral wall in collecting space area, supplementary shield support group is mobilizable to be supported in fixed shield support group and waits to remove between the support, wait to remove support along main withdrawing passageway when withdrawing from in proper order when a plurality of, supplementary shield support group can be along the lateral wall removal in collecting space area to substitute withdraw from wait to remove the roof that the support supported the collecting space area, organize the bearing structure of the support buttress that substitutes prior art and a gallows timber staggered arrangement through setting up the shield support, can effective increase strut the area, dwindle empty top operation area, improve three angle area's roof support intensity, improve manual work's factor of safety.
Description
Technical field
This utility model relates to the supporting construction technical field of underground mine down-hole combined mining working,
Particularly relate to a kind of roof support structure and there is the underground mine of this structure withdraw work surface.
Background technology
Colliery is the mankind regions at the mining area exploitation coal resources rich in coal, is generally divided into well
Work colliery and open coal mine, wherein, underground mine refers to when coal seam is away from earth's surface, select to
Underground digging tunnel digging coal.
Owing to China's major part coal seam is all away from earth's surface, opencast mode therefore cannot be used.
In the pit of underground mine, generally use room-and-pillar method to advance in coal seam, beam column is set to prop up
Hold pit.And the roof safety that the return channel inner support in underground mine withdraws Delta Region is
The major issue that fully-mechanized mining working must solve at present, the quality of its quality directly affects and works
Speed that face equipment is withdrawn from and mine safety production.
The original supporting construction in existing return channel Delta Region as shown in Figure 1 and Figure 2, is combined and is adopted work
Make to treat that removing supporters 1, during withdrawing, is typically employed in main return channel 5 and arranges in face
One cover frame 2 and 3 two shield supports of the second cover frame, often remove one and treat removing supporters 1, triangle
The top board in region utilizes the sleeper code of a size of 1200mm × 200mm × 200mm to become several
The support buttress 9 that " well " word is chain, and be crisscross arranged with several braces 8, with supporting triangle
The top board in district.
Above-mentioned existing original supporting construction has the disadvantage in that
1, after withdrawing from until removing supporters 1, empty top area is typically up to 1.7m × 7.9m, generally relies on
Artificial carry out piling up support buttress 9 and brace 8 in the range of empty top at this to safeguard top board, if
Occurring that top board is under pressure in the case of excessive, roof cracking, this region is susceptible to leaky roof wound
People's situation.
2, roof timbering intensity is low, due to false roof and the top easy absciss layer of coal, causes top to lay
Wire netting forms pendant bag, supports buttress 9 and can not connect top completely, supports and has between buttress 9 and top board
Certain space, causes the amount of crushing big, along with treating withdrawing of removing supporters 1, roof weighting
Easily the first cover frame 2 and the second cover frame 3 are killed.
3, first weight, supports buttress 9 and is easily collapsed, cause Delta Region when being caving
Top board sinks in a large number, and the second cover frame 3 and hydraulic support are easily pressed into dead frame, need perforating
Blow out at the end, caused the biggest difficulty to equipment returning and bring many potential safety hazards.
4, labor strength is big, puts down with free height 4.2m, the length of each main return channel 5
All 200m calculate, and often remove one and treat removing supporters 1, are treating position, removing supporters 1 original residing empty top
Need to make a call to one and support buttress 9 and at least 1 brace 8 with common supporting roof, pull the
Before two cover frames 3, near one support buttress 9 of Delta Region supporting of the second cover frame 3 side
With at least 1 brace 8 to safeguard the top board of Delta Region, each support buttress 9 needs sleeper
At least 70, every sleeper weighs about 30kg, and every brace 8 weighs about 60kg, so that workman
Physical demands excessive, easily cause potential safety hazard.
5, withdraw cost high, with 118, a main return channel averagely treat that removing supporters 1 calculates,
Withdraw a main return channel 5 to need to consume sleeper at least 8260, averagely every sleeper every time
A size of 1200mm × 200mm × 200mm, needs to consume brace 8 at least 110,
The size of every brace 8 is about the consumption expense of Φ 180 × 4000mm, sleeper and brace 8
With a total of about 411358 yuan.
Defect in view of the aforementioned technical background, this utility model provides a kind of roof support structure
And the underground mine with this structure withdraws work surface.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model there is provided a kind of roof support structure and has
The underground mine of this structure withdraws work surface, can effectively increase supporting area, reduces empty top operation
Region, improves the roof timbering intensity of Delta Region, improves the safety coefficient of manual work.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of roof support structure,
Including: fixing shield support group, between the coal being supported in main return channel side and goaf；
Several treat removing supporters, may be contained within described main return channel, and along the side in described goaf
Wall order is arranged；Auxiliary shield support group, is movably supported in described fixing shield support group
And treat between removing supporters；When withdrawing from along main return channel order until removing supporters described in several,
Described auxiliary shield support group can move along the sidewall in described goaf, with withdraw from described in replacement
Treat that removing supporters supports the top board in goaf.
Further, described fixing shield support group includes the first cover frame and the second cover frame,
Described first cover frame and second cover frame turn supports angle between coal side and goaf
Place.
Further, described auxiliary shield support group includes the 3rd cover frame and the 4th cover frame,
Described 3rd cover frame and the 4th cover frame be the most movably supported in fixing shield support group and
Treat between removing supporters, when withdrawing from described main return channel until removing supporters order described in several,
Described 3rd cover frame and the 4th cover frame can be respectively along the sidewall reaches in described goaf.
Further, described auxiliary shield support group and treat to be additionally provided with between removing supporters for auxiliary
The support buttress supporting described goaf top plate, the described sidewall piled up neatly along goaf that supports is helped to arrange.
Further, described support buttress be also provided at described in position after removing supporters is withdrawn from.
Further, the described buttress that supports is become Jing Zidui base to form by several sleepers.
Further, the described length supporting buttress is 1200mm, a height of 4000mm with width.
Further, the sidewall helped along described coal is provided with the top board for supporting described coal side
Racking.
This utility model also provides for a kind of underground mine and withdraws work surface, including pushing up as above
Slab supporting structure.
(3) beneficial effect
Technique scheme of the present utility model has the advantages that top of the present utility model
Coal that the fixing shield support group of slab supporting structure is supported in main return channel side and goaf it
Between；Several treat that removing supporters may be contained within main return channel, and along the sidewall order in goaf
Arrange；Auxiliary shield support group be movably supported in fixing shield support group and treat removing supporters it
Between；When several are withdrawn from along main return channel order until removing supporters, assist shield support group energy
Sidewall along goaf moves, to substitute the top board treating removing supporters support goaf withdrawn from, logical
Cross and the support that shield support group is crisscross arranged with brace to the support buttress substituting prior art is set
Structure, can effectively increase supporting area, reduces operating area, empty top, prevents top net pendant bag, emits
Cash, is effectively improved the roof timbering intensity of Delta Region, improves manual work in Delta Region
Safety coefficient, it is ensured that safe construction, is substantially reduced the labor intensity of workman simultaneously；Additionally, also
Sleeper and the consumption of brace supporting buttress can be reduced, reduce supporting expense.
Accompanying drawing explanation
Fig. 1 be prior art treat that removing supporters is in the structural representation of state to be removed；
Fig. 2 be prior art treat that removing supporters is in the structural representation of the state of withdrawing from；
Fig. 3 be this utility model embodiment treat that removing supporters is in the structural representation of state to be removed
Figure；
Fig. 4 be this utility model embodiment treat that removing supporters is in the structural representation of the state of withdrawing from
Figure.
Wherein, 1, removing supporters is treated；2, the first cover frame；3, the second cover frame；4, buttress
Frame；5, main return channel；6, coal side；7, goaf；8, brace；9, support
Buttress；10, the 3rd cover frame；11, the 4th cover frame.
Detailed description of the invention
Make to retouch the most in detail to embodiment of the present utility model with embodiment below in conjunction with the accompanying drawings
State.Following example are used for illustrating this utility model, but can not be of the present utility model for limiting
Scope.
In description of the present utility model, except as otherwise noted, " multiple " be meant that two or
Two or more.Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " after
End ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on side shown in the drawings
Position or position relationship, be for only for ease of description this utility model and simplify description rather than refer to
Show or imply that the device of indication or element must have specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ",
" second ", " the 3rd " etc. are only used for describing purpose, and it is not intended that instruction or hint are relative
Importance.
As shown in Figure 3, Figure 4, in figure, the direction of arrow is the equipment of main return channel and treats removing supporters
1 withdraw direction, the fixing shield support group of the roof support structure described in the present embodiment supports
Between coal side 6 and goaf 7 in main return channel 5；Several treat that removing supporters 1 is all provided with
It is placed in main return channel 5, and along the sidewall order setting in goaf 7；Auxiliary shield support
Group is movably supported in fixing shield support group and treats between removing supporters 1；When several wait to remove
Support 1 along main return channel 5 order withdraw from time, auxiliary shield support group can be along goaf 7
Sidewall moves, and treats that removing supporters 1 supports the top board in goaf 7 with what replacement was withdrawn from, by arranging
Shield support group substitutes the buttress 9 that supports of prior art and ties with the support that brace 8 is crisscross arranged
Structure, can effectively increase supporting area, reduces operating area, empty top, prevents top net pendant bag, emits cash,
It is effectively improved the roof timbering intensity of Delta Region, improves the safety of manual work in Delta Region
Coefficient, it is ensured that safe construction, is substantially reduced the labor intensity of workman simultaneously；Moreover it is possible to subtract
Few sleeper supporting buttress 9 and the consumption of brace 8, reduce supporting expense.
Firm in order to ensure the base support withdrawing in the Delta Region of work surface, the present embodiment
Fixing shield support group includes the first cover frame 2 and the second cover frame 3, the first cover frame 2 and the
Two cover frame 3 turn supports angle between coal side 6 and goaf 7, using as this time
Remove the base support mechanism of the Delta Region formed between the goaf 7 of work surface and coal side 6.
In the present embodiment, the support in order to ensure auxiliary shield support consolidates, and assists shield support
Group includes the 3rd cover frame 10 and the 4th cover frame 11, the 3rd cover frame 10 and the 4th cover frame
11 are the most movably supported in fixing shield support group and treat between removing supporters 1, when several
When removing supporters 1 order withdraws from main return channel 5, the 3rd cover frame 10 and the 4th cover frame 11
Can treat that removing supporters 1 continues support and adopts respectively along the sidewall reach in goaf 7 with what replacement was withdrawn from
The top board of dead zone 7, prevents top net pendant bag, emits cash.
In order to the supporting effect making auxiliary shield support group is relatively reliable, in auxiliary shield support group
And treat to be additionally provided with between removing supporters 1 for assisting the support buttress 9 supporting goaf 7 top board,
Support buttress 9 is arranged along the sidewall in goaf 7, when treating that removing supporters 1 is withdrawn from, and auxiliary shield support
When group supports auxiliary shield support group and goaf 7 top board between removing supporters 1, auxiliary
Help shield support group and treat that between removing supporters 1, homogeneous reactor sets several support buttress 9, to prevent top board
Press and auxiliary shield support is killed, withdraw from for equipment and further provide for emergent preventive effect, and
Owing to auxiliary shield support is compared with the brace 8 of prior art, there is relatively reliable support
Effect so that the construction environment that artificial heap sets when supporting buttress 9 is more safe and reliable.
Support buttress 9, in addition to being arranged on auxiliary shield support group and treating between removing supporters 1, also may be used
To synchronize to be arranged at the position after removing supporters 1 is withdrawn from, provide for auxiliary shield support and more may be used
The leaky roof emergency measure leaned on.
The support buttress 9 of the present embodiment is become by several sleeper codes, to guarantee to support stablizing of buttress 9
Property, and can guarantee that operator's speed code becomes, shorten the engineering time, increase construction safety coefficient,
Preferably several road yards build into groined type, and the length preferably supporting buttress 9 is 1200mm with width,
A height of 4000mm, wants with mined out size of the satisfied main return channel 5 withdrawn in work surface
Ask.
In order to ensure that in withdrawing work surface, coal helps the roof timbering safety at 6, along the side of coal side 6
Wall is provided with the racking 4 of the top board for supporting coal side 6.
The present embodiment additionally provides a kind of underground mine and withdraws work surface, including pushing up as above
Slab supporting structure, has the underground mine of this roof support structure and withdraws work surface and can have more
Safety withdraw construction environment, the safety coefficient making equipment returning is higher, effectively save cost and
Resource, reduces the labor intensity of workman.
The structure cloth withdrawing work surface in this underground mine is set to: by the first cover frame 2, second
Cover frame the 3, the 3rd cover frame 10 and the 4th cover frame 11 are from the angle of coal side 6 with goaf 7
Place starts setting up, and along the sidewall order arrangement in goaf 7, thus is goaf 7 and coal side 6
Between formed Delta Region provide reliable supporting；When carrying out equipment returning, treat removing supporters 1
Along main return channel 5 order withdraw, often recall one after removing supporters 1, from the 4th shielding
Frame starts, the first cover frame the 2, second cover frame the 3, the 3rd cover frame 10 and the 4th cover frame
11, successively along the sidewall reach 1.75m step pitch in goaf 7, keep the first cover frame 2, second
Step pitch ratio between cover frame the 3, the 3rd cover frame 10 and the 4th cover frame 11 is certain, thus
When withdrawing until removing supporters 1, it is possible to goaf 7 top board for Delta Region provides the most reliable
Support action.
In sum, the fixing shield support group of the roof support structure of the present embodiment is supported in master
Between coal side 6 and goaf 7 in return channel 5；Several treat that removing supporters 1 may be contained within
In main return channel 5, and along the sidewall order setting in goaf 7；Auxiliary shield support group can
Being supported in fixing shield support group and treat between removing supporters 1 of movement；When several treat removing supporters 1
Along main return channel 5 order withdraw from time, auxiliary shield support group can along goaf 7 sidewall move
Dynamic, treat that removing supporters 1 supports the top board in goaf 7 with what replacement was withdrawn from, the well work of the present embodiment
Colliery includes roof support structure as above in withdrawing work surface, this roof support structure is led to
Cross and shield support group is set is crisscross arranged with brace 8 to the buttress 9 that supports substituting prior art
Supporting construction, can effectively increase the supporting area of main return channel 5 in underground mine, reduce
Operating area, empty top, prevents top net pendant bag, emits cash, be effectively improved the roof timbering of Delta Region
Intensity, improves the safety coefficient of manual work in Delta Region, it is ensured that safe construction, the biggest
The big labor intensity reducing workman；Moreover it is possible to reduce sleeper and the brace 8 supporting buttress 9
Consumption, reduce supporting expense.
Embodiment of the present utility model is given for the sake of example and description, and is not
Exhaustively or by this utility model it is limited to disclosed form.Many modifications and variations for
It is apparent from for those of ordinary skill in the art.Select and describe embodiment be in order to
Principle of the present utility model and actual application are more preferably described, and make the ordinary skill people of this area
Member is it will be appreciated that this utility model thus design are suitable to various with various amendments of special-purpose
Embodiment.
Claims (9)
1. a roof support structure, it is characterised in that including:
Fixing shield support group, between the coal being supported in main return channel side and goaf；
Several treat removing supporters, may be contained within described main return channel, and along the sidewall order setting in described goaf；
Auxiliary shield support group, is movably supported in described fixing shield support group and treats between removing supporters；
When withdrawing from along main return channel order until removing supporters described in several, described auxiliary shield support group can move along the sidewall in described goaf, treats that removing supporters supports the top board in goaf with withdraw from described in replacement.
Roof support structure the most according to claim 1, it is characterised in that described fixing shield support group includes the first cover frame and the second cover frame, described first cover frame and the second cover frame turn supports angle between coal side and goaf.
Roof support structure the most according to claim 1, it is characterized in that, described auxiliary shield support group includes the 3rd cover frame and the 4th cover frame, described 3rd cover frame and the 4th cover frame are the most movably supported in fixing shield support group and treat between removing supporters, when withdrawing from described main return channel until removing supporters order described in several, described 3rd cover frame and the 4th cover frame can be respectively along the sidewall reaches in described goaf.
Roof support structure the most according to claim 1, it is characterised in that described auxiliary shield support group and treating is additionally provided with for assisting the support buttress supporting described goaf top plate between removing supporters, the described buttress that supports is arranged along the sidewall in goaf.
Roof support structure the most according to claim 4, it is characterised in that described support buttress be also provided at described in position after removing supporters is withdrawn from.
6. according to the roof support structure described in claim 4 or 5, it is characterised in that described support buttress is become Jing Zidui base to form by several sleepers.
Roof support structure the most according to claim 6, it is characterised in that the length of described support buttress is 1200mm, a height of 4000mm with width.
Roof support structure the most according to claim 1, it is characterised in that the sidewall helped along described coal is provided with the racking for supporting the top board that described coal is helped.
9. a underground mine withdraws work surface, it is characterised in that include the roof support structure as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155295.4U CN205532650U (en) | 2016-02-29 | 2016-02-29 | Roof support structure and well worker colliery withdrawing working face that has this structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620155295.4U CN205532650U (en) | 2016-02-29 | 2016-02-29 | Roof support structure and well worker colliery withdrawing working face that has this structure |
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| CN205532650U true CN205532650U (en) | 2016-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461199A (en) * | 2017-09-15 | 2017-12-12 | 山东东山新驿煤矿有限公司 | The method that hilt formula fully-mechanized mining working carries out contracting face using connection roadway |
| CN109083663A (en) * | 2018-08-24 | 2018-12-25 | 淮北矿业股份有限公司 | A kind of dismounting device for underground coal mine fully-mechanized mining working |
-
2016
- 2016-02-29 CN CN201620155295.4U patent/CN205532650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461199A (en) * | 2017-09-15 | 2017-12-12 | 山东东山新驿煤矿有限公司 | The method that hilt formula fully-mechanized mining working carries out contracting face using connection roadway |
| CN109083663A (en) * | 2018-08-24 | 2018-12-25 | 淮北矿业股份有限公司 | A kind of dismounting device for underground coal mine fully-mechanized mining working |
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