CN205638501U - Above coal tunnel supporting device - Google Patents
Above coal tunnel supporting device Download PDFInfo
- Publication number
- CN205638501U CN205638501U CN201620383271.4U CN201620383271U CN205638501U CN 205638501 U CN205638501 U CN 205638501U CN 201620383271 U CN201620383271 U CN 201620383271U CN 205638501 U CN205638501 U CN 205638501U
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- China
- Prior art keywords
- filling
- suspension device
- support column
- mould
- top board
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Abstract
The utility model relates to a coal mining technical field especially relates to an above coal tunnel supporting device, including filling the mould, fill on vertical the locating of mould wait to strut the bottom plate in tunnel, just it opens to fill the upper end of mould, the packing obsturator forms the support column in filling the mould, the upper end of support column and the roof connection who waits to strut the tunnel. This supporting device can replace chock support to strut as the outside of digging the withdrawing passageway in advance, and the structure is comparatively simple, packs the support column that the obsturator can obtain rising supprot effect to above coal tunnel in filling the mould, has saved the step of strutting when strutting greatly, has reduced the cost of strutting.
Description
Technical field
This utility model relates to coal-mining technique field, particularly relates to a kind of coal cutting roadway supporting dress
Put.
Background technology
At coal mining field, move for the ease of coal-face, pre-pick return channel be usually set,
Need, in pre-pick return channel, outside supporting is installed in the latter stage mined to ensure to dig in advance to withdraw
The safety of passage.Therefore, the supporting of pre-pick return channel becomes the weight that fully-mechanized mining working withdraws
Want preparation, be also the key factor of restriction fully-mechanized mining working unit yield raising.
The supporting of pre-pick return channel mainly includes two parts: internal supporting and outside supporting,
The support system that internal supporting is made up of anchor pole and anchor cable, withdraws logical at work surface away from pre-pick
During road, only rely on internal supporting and just can safeguard pre-pick return channel stability；Outside supporting
Mainly including grillage, individual prop, brettis or concrete pillar etc., work surface is near pre-
During pick return channel, need the supporting of outer portion to limit top board and the base plate of pre-pick return channel
Relative displacement.China currently mainly uses brettis to prop up as the outside of pre-pick return channel
Handguard section, removal of home operation is complex, there is certain potential safety hazard, and cost is the highest.
Utility model content
(1) to solve the technical problem that
The technical problems to be solved in the utility model is that existing pre-pick withdraws tunnel when supporting
There is the problem that operation is complicated, relatively costly.
(2) technical scheme
In order to solve above-mentioned technical problem, this utility model provides a kind of coal cutting roadway supporting dress
Putting, including filling mould, what described filling mould was vertical is located on the base plate treating supported laneway,
And the open upper end of described filling mould；Fill obturator in described filling mould and form support
Post, the upper end of described support column is connected with the top board treating supported laneway.
Wherein, also include that medium-density plate, described medium-density plate are located at described support column and are treated with described
Between the top board of supported laneway.
Wherein, filling binding agent between described medium-density plate and the described top board treating supported laneway.
Wherein, described binding agent is cement mortar.
Wherein, described obturator is concrete or high-water material.
Wherein, described filling mould is filling bag, and the upper end open-mouth of described filling bag is by setting
Hitch on described top board is connected with described top board.
Wherein, described filling bag has anti-flammability and antistatic behaviour.
Wherein, described filling bag is made up of woven fabric.
Wherein, the outer surface of described filling bag has tied up reinforcement.
(3) beneficial effect
Technique scheme of the present utility model has the advantage that this utility model provides one
Planting coal cutting roadway suspension device, wherein suspension device includes filling mould, being located at of filling mould
Treat on the base plate of supported laneway, and in the open upper end of filling mould, filling mould, fill filling
Body forms support column, and one end of support column is connected with the base plate treating supported laneway, the other end and top
Plate connects, and treats supported laneway and plays support action, and the structure of this suspension device is relatively simple,
Need not use brettis, in filling mould, fill obturator i.e. can obtain coal cutting roadway
Play the support column of support action, be greatly saved the step of supporting when supporting, reduce supporting
Cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the coal cutting roadway suspension device that this utility model embodiment provides
Figure；
Fig. 2 is the flow chart of the coal cutting roadway method for protecting support that this utility model embodiment provides.
In figure: 1: top board；2: binding agent；3: medium-density plate；4: filling mould；5:
Support column.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below
The accompanying drawing in this utility model embodiment will be combined, to the technical side in this utility model embodiment
Case is clearly and completely described, it is clear that described embodiment is of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this
Field those of ordinary skill obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of this utility model protection.
In description of the present utility model, it should be noted that except as otherwise noted, " multiple "
It is meant that two or more；Term " on ", D score, "left", "right", " interior ",
The orientation of the instruction such as " outward ", " front end ", " rear end ", " head ", " afterbody " or position relationship
For based on orientation shown in the drawings or position relationship, be for only for ease of description this utility model and
Simplify and describe rather than indicate or imply that the device of indication or element must have specific side
Position, 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 can not manage
Solve as instruction or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite regulation
And restriction, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it is possible to
It it is fixing connection, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected,
It can also be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.
For the ordinary skill in the art, visual concrete condition understands that above-mentioned term is in this reality
With the concrete meaning in novel.
As it is shown in figure 1, a kind of coal cutting roadway suspension device that this utility model embodiment provides,
Including filling mould 4, filling mould 4 is located on the base plate treating supported laneway, and filling mould
The upper end of 4 opens, and fills obturator formation support column 5 at open upper end in filling mould 4,
The lower end of support column 5 is connected with the base plate treating supported laneway, upper end and the top board treating supported laneway
1 connects, and support column is treated supported laneway and played support action.This suspension device can replace buttress formula
Support is as the pre-outside supporting digging return channel, and structure is relatively simple, to filling mould 4
Interior filling obturator i.e. can obtain playing coal cutting roadway the support column 5 of support action, when supporting
It is greatly saved the step of supporting, reduces the cost of supporting.
Further, also include that medium-density plate 3, medium-density plate 3 are located at pillar and are treated supporting lane
Between the top board 1 in road, the lower surface of medium-density plate 3 is connected with support column 5, medium-density plate 3
Upper surface be connected with the top board 1 treating supported laneway, medium-density plate 3 has certain deformation energy
Power, it is possible to reduce the rigidity of whole suspension device, improves the ability of support column 5 resistance to deformation,
Avoid support column 5, because top board 1 sinks, brittle break occurs.
Further, filling binding agent 2 between medium-density plate 3 and the top board 1 treating supported laneway,
Binding agent 2 is cement mortar in the present embodiment, utilizes cement mortar by medium-density plate 3 and to treat supporting
The top board 1 in tunnel is bonded together, it is ensured that suspension device is in close contact with top board 1.
Further, obturator is the strong of concrete or high-water material, concrete or high-water material
Spending higher, concrete or high-water material are pumped into needing the region of supporting by far-end, then
Carry out filling in being transported to filling mould 4, be frozen into support column 5 after a period of time, to tunnel
Play the effect of supporting；When needs dismounting suspension device, it is only necessary to utilize coal-winning machine to support
Post 5 cuts broken, then transports with conveyer belt, it is not necessary to taking the special time withdraws,
Improve the efficiency of the removal of home of work surface to a certain extent.
The present embodiment uses concrete to carry out filling as obturator, and what concrete filling was formed props up
When dagger 5 carries out supporting, long-range pump can be used to be pumped into by concrete in filling mould, can
To effectively reduce the transport of down-hole material and to process work, and the industrial injury thing thus caused
Therefore, also reduce the potential safety hazard that the large-scale bracket carrier in down-hole is brought simultaneously.
Further, in the present embodiment, filling mould 4 is to be made up of the woven fabric of high intensity
Filling bag, this filling bag has a kind of fabric to make, can fold, it is simple to transport；Hold
Weight is relatively big and is prone to be cut by coal-winning machine.Additionally filling bag has anti-flammability and antistatic behaviour, peace
Full property is higher, is suitable in mine using, the outer surface of filling bag has tied up reinforcement, anti-
Only during filling, filling bag excessively expands.
Further, in the present embodiment, the upper end open-mouth of filling bag treats supporting by being located at
Hitch on the top board 1 in tunnel is connected with the top board 1 treating supported laneway.Hitch can
To be provided at the anchor pole on the top board 1 treating supported laneway, the uncovered edge, upper end along filling bag is equal
Multiple suspension ring are hung on anchor pole by even distribution multiple suspension ring one to one, make filling bag upright,
The pillared filling space of shape, it is ensured that column can be formed in filling bag after fill concrete
Support column 5.
As in figure 2 it is shown, the suspension device of above-mentioned coal cutting roadway mainly includes following step when making
Rapid: S1, between top board 1 and the base plate for the treatment of supporting region in tunnel, filling mould 4 is set,
Filling mould 4 is the filling bag being made up of the woven fabric of fire-resistant antistatic, and the upper end of filling bag opens
Mouthful and be provided with suspension ring, needing to arrange the short anchor of 4 1m length of complement on the top board of Support Position
Bar, coordinates suspension ring to hang filling bag.The protruded length of anchor pole is about 150mm, an array pitch
For 1m × 1m, filling bag is vertical by the Short bolt being arranged on the top board 1 treating supported laneway
Hang, between top board 1 and the base plate for the treatment of supported laneway, form filling space, for making support column
Gravitative Loads is relied on to keep vertical, away from base plate after having been hung by filling bag in casting process
Distance is set to about 100mm.
Step S2, uses pump to fill obturator in filling bag and forms support column 5；Support column 5
Two ends be connected with the top board treating supported laneway and base plate respectively, treat supported laneway and play support
Effect, obturator be generally concrete or high-water material, and in the present embodiment, employing concrete enters
Concrete support post 5 is made in row filling, when utilizing concrete filling, long-range pump can be used to incite somebody to action
Concrete is pumped in filling mould 4, effectively reduces transport and place's science and engineering of down-hole material
Make, and the industrial accident thus caused, also reduce the large-scale bracket carrier in down-hole simultaneously
The potential safety hazard brought, it addition, there is the support column 5 that concrete is made, in needs dismounting
During protection unit, it is only necessary to utilize coal-winning machine to cut broken by support column 55, then transport with belt,
Need not to take the special time withdraws, and improves the removal of home of work surface to a certain extent
Efficiency.
Step S3, filling complete after by support column 5 and treat that the top board 1 of supported laneway is fixing even
Connect, it is achieved support action；After support column 5 filling completes, treat supported laneway top board 1 and support
Need fixing connection between post 5, make support column 5 and the top board 1 treating supported laneway is in close contact,
To realize support action.
Further, also include between step S1 and S2, for the position that head-room is relatively low
Putting, rise at the end at the underface pneumatic pick hanging filling bag, higher position then needs to use coagulation
Soil sets concrete bed (will make in the case of two kinds its surface try one's best holding level), will water
The roof and floor spacing of note support column position controls at about 3.2m.
Further, step S3 specifically includes S31, after filling completes, treats supported laneway
There is gap between top board 1 and support column 5, treat top board 1 and the support column 5 of supported laneway
Between gap in medium-density plate 3 is set, and by medium-density plate 3 respectively with support column 5 and treating
The top board 1 of supported laneway connects, and medium-density plate 3 has ductility, reduces support column 5
Rigidity, improves the intensity of whole suspension device；S32, at medium-density plate 3 with treat supported laneway
Top board 1 between filling binding agent 2 by medium-density plate 3 and treat that the top board 1 of supported laneway connects,
In the present embodiment, binding agent 2 is cement mortar, and cement mortar and medium-density plate 3 will treat supporting lane
Gap between top board 1 and the support column 5 in road is filled up, and ensure that the top board treating supported laneway
1 and the fixing connection of support column 5.
During use, the pump of far-end is utilized to inject concrete in filling bag, after concrete setting
Form support column 5, medium-density plate is set between support column 5 and the top board 1 treating supported laneway
3, medium-density plate 3 can reduce the rigidity of whole suspension device, medium-density plate 3 and treat supporting
Linked together by filling concrete slurry between the top board 1 in tunnel.This suspension device and supporting side
Method can be used not only for the supporting of pre-pick return channel, it is also possible to for other adopt such as stope drift active workings
The supporting in coal road road.
In sum, the coal cutting roadway suspension device that this utility model embodiment provides, use mixed
Solidifying soil or high-water material are filled into filling bag formation support column 5 and coal cutting roadway is played supporting make
With, this suspension device making step is relatively simple, and material is simple and easy to get, and at face moving
Time be readily disassembled again, conveniently transport tunnel, improve the effect of face moving to a certain extent
Rate, also reduces the potential safety hazard that the large-scale bracket carrier in down-hole is brought simultaneously.
It is last it is noted that above example is only in order to illustrate technical side of the present utility model
Case, is not intended to limit；Although this utility model having been carried out detailed with reference to previous embodiment
Illustrate, it will be understood by those within the art that: it still can be to foregoing embodiments
Described technical scheme is modified, or wherein portion of techniques feature is carried out equivalent replaces
Change；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The spirit and scope of type each embodiment technical scheme.
Claims (9)
1. a coal cutting roadway suspension device, it is characterised in that: include filling mould, described
What filling mould was vertical is located on the base plate treating supported laneway, and the upper end of described filling mould opens
Open；Fill obturator in described filling mould and form support column, the upper end of described support column with treat
The top board of supported laneway connects.
Coal cutting roadway suspension device the most according to claim 1, it is characterised in that: also
Including medium-density plate, described medium-density plate is located at described support column and the described top treating supported laneway
Between plate.
Coal cutting roadway suspension device the most according to claim 2, it is characterised in that: institute
State filling binding agent between medium-density plate and the described top board treating supported laneway.
Coal cutting roadway suspension device the most according to claim 3, it is characterised in that: institute
Stating binding agent is cement mortar.
Coal cutting roadway suspension device the most according to claim 1, it is characterised in that: institute
Stating obturator is concrete or high-water material.
Coal cutting roadway suspension device the most according to claim 1, it is characterised in that: institute
Stating filling mould is filling bag, and the upper end open-mouth of described filling bag is by being located on described top board
Hitch be connected with described top board.
Coal cutting roadway suspension device the most according to claim 6, it is characterised in that: institute
State filling bag and there is anti-flammability and antistatic behaviour.
Coal cutting roadway suspension device the most according to claim 6, it is characterised in that: institute
State filling bag to be made up of woven fabric.
Coal cutting roadway suspension device the most according to claim 6, it is characterised in that: institute
The outer surface stating filling bag has tied up reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383271.4U CN205638501U (en) | 2016-04-28 | 2016-04-28 | Above coal tunnel supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620383271.4U CN205638501U (en) | 2016-04-28 | 2016-04-28 | Above coal tunnel supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205638501U true CN205638501U (en) | 2016-10-12 |
Family
ID=57061128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620383271.4U Expired - Fee Related CN205638501U (en) | 2016-04-28 | 2016-04-28 | Above coal tunnel supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205638501U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840217A (en) * | 2016-04-28 | 2016-08-10 | 天地科技股份有限公司 | Coal tunnel supporting device and method |
| CN117145477A (en) * | 2023-10-30 | 2023-12-01 | 华能煤炭技术研究有限公司 | Coal mining method with uniform subsidence of earth surface |
-
2016
- 2016-04-28 CN CN201620383271.4U patent/CN205638501U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840217A (en) * | 2016-04-28 | 2016-08-10 | 天地科技股份有限公司 | Coal tunnel supporting device and method |
| CN117145477A (en) * | 2023-10-30 | 2023-12-01 | 华能煤炭技术研究有限公司 | Coal mining method with uniform subsidence of earth surface |
| CN117145477B (en) * | 2023-10-30 | 2024-01-30 | 华能煤炭技术研究有限公司 | Coal mining method with uniform subsidence of earth surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20190428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |