CN207363691U - Scalable superelevation end hydraulic support - Google Patents
Scalable superelevation end hydraulic support Download PDFInfo
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- CN207363691U CN207363691U CN201721017762.8U CN201721017762U CN207363691U CN 207363691 U CN207363691 U CN 207363691U CN 201721017762 U CN201721017762 U CN 201721017762U CN 207363691 U CN207363691 U CN 207363691U
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- top beam
- superelevation
- connecting rod
- scalable
- face guard
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Abstract
The utility model discloses a kind of scalable superelevation end hydraulic support, it is characterized in that the stent overall structure is in four column double-connecting rod type superelevation stents, connected by elapsing head and formed with passage oil cylinder by side arm and after-frame, side arm and after-frame top beam use four upright supports, top beam realizes the connection with base by anti-down connecting rod, A connecting rods, B connecting rods, so as to fulfill the steady rise and fall of top beam；Side arm and after-frame wall supporting use the parallel four-bar linkage being made of connecting rod, face guard, sprag ram and top plate, realize the rise and withdrawal of wall supporting.The stent instead of the expendable grillage in end point, save a large amount of timber, and reduce cost of labor, improve supporting intensity, be of great significance for improving face end mechanical mining degree.
Description
Technical field
The utility model belongs to mining machinery technical field, and in particular to superelevation end hydraulic support.
Background technology
Superelevation support form in tunnel has following several at present：
1st, using grillage ceiling, the mode of monomer support.Grillage is piled up above the tunnel of working face open-off cut eye both ends, lower part is used
Individual prop withstands grillage, can so cause working face to need a large amount of timber, and these timber are not substantially recyclable, cause
Cost increases, and while grillage is piled up, the safety of worker is also to be difficult to ensure that.Meanwhile top coal and lane above transition frame
Coal wall easily slabbing in front of road, reprinting tail and rear scraper-trough conveyer frame head and tail can not safeguard have bulk spoil to fall into elevating conveyor, cause
Equipment fault takes place frequently to be deteriorated with coal quality.During the advance of the face, constantly tunnel is carried out piling up crib protection, make work
Face fltting speed is extremely restricted, and safety in production is subject to great threat.
2nd, by the way of the support of hydraulic prop complexed metal articulated roof beam.This mode equally exists the rate of recovery
Low, supporting is inconvenient for operation, the problems such as supporting danger is larger.
3rd, using step type forepoling hydraulic support.This support pattern has carried out repeating to support to top plate, causes to push up
Secondary rupture occurs for plate, produces a large amount of fritter rocks, danger coefficient increase.
The content of the invention
The purpose of this utility model is to provide a kind of scalable superelevation end hydraulic support, which instead of end point not
Recyclable grillage, has saved a large amount of timber, and reduces cost of labor, improves supporting intensity, for improving working face
Termination mechanical mining degree is of great significance.
The technical solution of the utility model is a kind of scalable superelevation end hydraulic support, it is characterized in that the stent is overall
Structure is in four column double-connecting rod type superelevation stents, is connected by elapsing head and formed with passage oil cylinder by side arm and after-frame, side arm and
After-frame top beam uses four upright supports, and top beam realizes the connection with base by anti-down connecting rod, A connecting rods, B connecting rods, so that
Realize the steady rise and fall of top beam；Side arm and after-frame wall supporting use what is be made of connecting rod, face guard, sprag ram and top plate
Parallel four-bar linkage, realizes the rise and withdrawal of wall supporting.
Wherein top beam is supported using four columns, column lower end is fixed on base by column briquetting, column
Upper end is connected with top beam.
Engaging lug is set in the middle part of top beam, connects anti-down connecting rod, anti-down connecting rod is connected at the same time with A connecting rods, B connecting rods, A connecting rods
Connected with the engaging lug of B connecting rods lower end and base, realization be connected with the double link of base so that reach top beam steady rising and
The purpose of decline.
Left side top plate one end is connected on flexible face guard, and the other end is connected on top beam；Right side top plate one end is connected to
On face guard, the other end is connected on top beam.
Left side sprag ram one end is connected on flexible face guard and top plate, and the other end is connected on top beam；Right side wall supporting
Oil cylinder one end is connected on face guard and top plate, and the other end is connected on top beam.
Left side connecting rod one end is connected on flexible face guard, and the other end is connected on top beam；Right side connecting rod one end is connected to
On face guard, the other end is connected on top beam.
The front end of top beam is equipped with preceding top beam, and top beam is connected with each other with preceding top beam by axis pin and support cylinder, realizes sinciput
The upset of beam.
It is equipped with the end of after-frame top beam and lengthens top plate, support cylinder one end, which is connected to, is lengthened below top plate, and the other end connects
It is connected on below top beam.
The utility model has the following advantages that：
Scalable superelevation face end support is applied to high working face (6m) top-coal caving face, and the stent applications are in face end
Position, for ensure to slip before working face and after slip the support work in tunnel at the top of tail.And rocker arm of coal mining machine length can be solved
Working face fluting problem caused by deficiency, and part is solved using coalcutter and " along driving is pushed up, is exploited the bottom of along " in technique, return air
Lane drags down the mining problem of coal.The stent instead of the expendable grillage in end point, save a large amount of timber, and reduce
Cost of labor, improves supporting intensity, is of great significance for improving face end mechanical mining degree.At the same time should
Stent is matched with advance timbering, and release gob side entry retaining production practice is pushed up available in " 110 engineering methods and N00 engineering methods ", that is, cutting
In, become the reliable support equipment of the new production practice of power-assisted.
Brief description of the drawings
Fig. 1-1 is side arm structure diagram.
Fig. 1-2 is the side view of Fig. 1-1.
Fig. 2-1 is rear frame structure schematic diagram.
Fig. 2-2 is the side view of Fig. 2-1.
The front and rear frame layout drawing of Fig. 3-1.
Fig. 3-2 is the side view of Fig. 3-1.
Embodiment
As shown in Fig. 1-1 and 1-2：Side arm include base 1, connecting rod 2, column 3, top beam 4, support cylinder 5, anti-down connecting rod 6,
Preceding top beam 7, A connecting rods 8, B connecting rods 9, flexible face guard 10, column briquetting 11, sprag ram 12, top plate 13, face guard 15.
As shown in Fig. 2-1 and 2-2：After-frame include base 1, connecting rod 2, column 3, top beam 4, support cylinder 5, anti-down connecting rod 6,
A connecting rods 8, B connecting rods 9, flexible face guard 10, column briquetting 11, sprag ram 12, top plate 13, lengthening top plate 14, face guard 15.
3 lower end of column is fixed on base 1 by column briquetting 11, and 3 upper end of column is connected with top beam 4, and anti-down connecting rod 6 is logical
Cross A connecting rods 8 and while B connecting rods 9 are connected to base 1, upper end is connected with top beam 4,
Top plate 13 one end in left side is connected on flexible face guard 10, and the other end is connected on top beam 4；13 one end of right side top plate
It is connected on face guard 15, the other end is connected on top beam 4.
Sprag ram 12 one end in left side is connected on flexible face guard 10 and top plate 13, and the other end is connected on top beam 4；It is right
Sprag ram 12 one end in side is connected on face guard 15 and top plate 13, and the other end is connected on top beam 4.
Connecting rod 2 one end in left side is connected on flexible face guard 10, and the other end is connected on top beam 4；Connecting rod 2 one end in right side connects
It is connected on face guard 15, the other end is connected on top beam 4.
The front end of top beam 4 is equipped with preceding top beam 7, and the lower section of top beam 7, the other end are connected to top before 5 one end of support cylinder is connected to
The lower section of beam 4.
The rear end of top beam 4, which is equipped with, lengthens top plate 14, and 5 one end of support cylinder, which is connected to, lengthens the lower section of top plate 14, and the other end connects
It is connected on the lower section of top beam 4.
Fig. 3-1 and 3-2 is rack arrangement figure：Including side arm 16, after-frame 19, elapse first 17, passage oil cylinder 18, winch base
20th, winch 21, advance timbering 22.Side arm 16 by passage first 17 and passage oil cylinder 18 be connected with after-frame 19, winch base 20 and
19 rear end of after-frame connects, and winch 21 is fixed on above winch base 20.
The stent overall structure is in four column double-connecting rod type superelevation stents, is divided into side arm and after-frame.Side arm top beam 4 uses four
A column 3 supports, and top beam 4 realizes the connection with base 1 by anti-down connecting rod 6, A connecting rods 8, B connecting rods 9, so as to fulfill top beam 4
Steady rise and fall.Top beam 4 is connected with each other with preceding top beam 7 by axis pin and support cylinder 5, the upset of top beam 7, energy before realization
It is enough to be adapted to top plate.Wall supporting uses the parallel―ordinal shift being made of connecting rod 2, face guard 15, sprag ram 12 and top plate 13
Mechanism, realizes the rise and withdrawal of wall supporting.The structure using flexible face guard 10 is just being helped to realize stretching for positive side face guard in tunnel
Contracting, completes the protection in Kong Bang areas above standard carriage.It is provided with the end of after-frame top beam 4 and lengthens top plate 14 and support cylinder 5,
Supporting can be carried out to the empty top zone at after-frame rear.By applying pressure support, it is finally reached to working surface coal mining machine termination position
The support function of top set plate.Side arm passage oil cylinder is connected with preceding scraper-trough conveyer head, forward and backward frame passes through passage first 17 and passage oil cylinder
18 are attached, and support elapse forward each other, and synchronous support requirement of shelter is moved to so as to fulfill with preceding scraper-trough conveyer.
Operating process：
1st, integrated operation flow：Face end support is first moved, moves advance timbering afterwards.
2nd, face end support operating process：
A, mobile side arm
(1) preceding scraper-trough conveyer is elapsed forward using standard carriage, while the passage oil cylinder 19 of side arm extends；
(2) column 3 of side arm is shunk, and reduces stent whole height, depending on shrinking height by underground actual conditions, it is ensured that top
Beam 4 leaves back, while it is movable by a relatively large margin to ensure that side arm cannot occur in moving process；
(3) the flexible face guard plate hydraulic cylinder of side arm is shunk, and plate is withdrawn；
(4) side arm face guard sprag ram is shunk, and withdraws face guard；
(5) side arm passage oil cylinder is shunk, and after-frame passage oil cylinder elongation, side arm moves forward；
(6) after reaching precalculated position, side arm column and face guard are propped up, plate is stretched out, reaches setting load.
B, mobile after-frame
(1) column of after-frame is shunk, and reduces stent whole height, depending on shrinking height by underground actual conditions, it is ensured that top
Beam leaves back, while ensures that activity by a relatively large margin cannot occur in after-frame in moving process；
(2) the flexible face guard plate hydraulic cylinder of after-frame is shunk, and plate is withdrawn；
(3) after-frame face guard sprag ram is shunk, and withdraws face guard；
(4) after-frame passage oil cylinder is shunk, and after-frame moves forward；
(5) after reaching precalculated position, after-frame column and face guard are propped up, plate is stretched out, reaches setting load；
(6) the winch reach of advance timbering is driven during after-frame reach, is prepared for the movement of advance timbering.
Claims (8)
- A kind of 1. scalable superelevation end hydraulic support, it is characterized in that the stent overall structure is in four column double-connecting rod type superelevation branch Frame, is made of, side arm and after-frame top beam (4) use four side arm and after-frame by elapsing head (17) and passage oil cylinder (18) connection A column (3) support, top beam (4) realize the connection with base (1) by anti-down connecting rod (6), A connecting rods (8), B connecting rods (9), from And realize the steady rise and fall of top beam (4)；Side arm and after-frame wall supporting are used by connecting rod (2), face guard (15), sprag ram (12) and top plate (13) composition parallel four-bar linkage, realize the rise and withdrawal of wall supporting.
- 2. scalable superelevation end hydraulic support as claimed in claim 1, it is characterized in that, using four columns (3) to top beam It is supported, column (3) lower end is fixed on base (1) by column briquetting (11), and column (3) upper end is connected with top beam (4).
- 3. scalable superelevation end hydraulic support as claimed in claim 1, it is characterized in that, connection is set in the middle part of top beam (4) Ear, connects anti-down connecting rod (6), and anti-down connecting rod (6) is connected at the same time with A connecting rods (8), B connecting rods (9), A connecting rods (8) and B connecting rods (9) Lower end is connected with the engaging lug of base (1), and realization is connected with the double link of base (1), so as to reach the steady rising of top beam (4) With the purpose of decline.
- 4. scalable superelevation end hydraulic support as claimed in claim 1, it is characterized in that, left side top plate (13) one end is connected to On flexible face guard (10), the other end is connected on top beam (4)；Right side top plate (13) one end is connected on face guard (15), separately One end is connected on top beam (4).
- 5. scalable superelevation end hydraulic support as claimed in claim 1, it is characterized in that, left side sprag ram (12) one end connects It is connected on flexible face guard (10) and top plate (13), the other end is connected on top beam (4)；Right side sprag ram (12) one end connects On face guard (15) and top plate (13), the other end is connected on top beam (4).
- 6. scalable superelevation end hydraulic support as claimed in claim 1, it is characterized in that, left side connecting rod (2) one end is connected to On flexible face guard (10), the other end is connected on top beam (4)；Right side connecting rod (2) one end is connected on face guard (15), another End is connected on top beam (4).
- 7. scalable superelevation end hydraulic support as claimed in claim 1, it is characterized in that, the front end of top beam (4) is equipped with sinciput Beam (7), top beam (4) are connected with each other with preceding top beam (7) by axis pin and support cylinder (5), the upset of top beam (7) before realization.
- 8. scalable superelevation end hydraulic support as claimed in claim 1, it is characterized in that, set in the end of after-frame top beam (4) There is lengthening top plate (14), support cylinder (5) one end, which is connected to, to be lengthened below top plate (14), and the other end is connected to below top beam (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721017762.8U CN207363691U (en) | 2017-08-15 | 2017-08-15 | Scalable superelevation end hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721017762.8U CN207363691U (en) | 2017-08-15 | 2017-08-15 | Scalable superelevation end hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207363691U true CN207363691U (en) | 2018-05-15 |
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ID=62422166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721017762.8U Active CN207363691U (en) | 2017-08-15 | 2017-08-15 | Scalable superelevation end hydraulic support |
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| Country | Link |
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| CN (1) | CN207363691U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578040A (en) * | 2018-11-29 | 2019-04-05 | 李信斌 | Driving gib equipment with guide support |
| CN111706378A (en) * | 2020-06-28 | 2020-09-25 | 中煤科工开采研究院有限公司 | Hydraulic support for end of thin coal seam |
-
2017
- 2017-08-15 CN CN201721017762.8U patent/CN207363691U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578040A (en) * | 2018-11-29 | 2019-04-05 | 李信斌 | Driving gib equipment with guide support |
| CN111706378A (en) * | 2020-06-28 | 2020-09-25 | 中煤科工开采研究院有限公司 | Hydraulic support for end of thin coal seam |
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