CN201232561Y - Double-layer and double-fork hyperstatic hydraulic support - Google Patents
Double-layer and double-fork hyperstatic hydraulic support Download PDFInfo
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- CN201232561Y CN201232561Y CNU2008200389518U CN200820038951U CN201232561Y CN 201232561 Y CN201232561 Y CN 201232561Y CN U2008200389518 U CNU2008200389518 U CN U2008200389518U CN 200820038951 U CN200820038951 U CN 200820038951U CN 201232561 Y CN201232561 Y CN 201232561Y
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims description 2
- 238000005065 mining Methods 0.000 abstract description 13
- 239000003245 coal Substances 0.000 abstract description 12
- 238000005422 blasting Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008093 supporting effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
A double-layer double fork type statically indeterminate hydraulic support comprises a base, a top beam, a front beam, a front beam jack, a hydraulic upright post, a hydraulic control valve component and a trust gear. A middle beam forming a double-layer support is arranged between the top beam and the base. A rigid upright post or the hydraulic upright post which is in double fork shape is arranged between the middle beam and the top beam. A backboard or a connecting plate mechanism is articulated between the middle beam and the tail of the top beam. The rigid upright post or the hydraulic upright post which is in double fork shape is arranged between the middle beam and the base. The backboard or the connecting plate mechanism is arranged between the middle beam and the tail of the base. The front end of the middle beam is articulated with the front beam. The front beam jack which makes the front beam swing around an articulated axle is arranged under the middle beam. The middle beam and the base are provided with an overbridge box which strengthens rigidity. The hydraulic support is applicable to the working face of full-seam mining mechanized mining or the working face of large mining height blasting mining of a coal mine, which has the advantages of simple structure, large bearing capacity, large support height, good stability, safe and reliable use and low cost.
Description
Technical field
The utility model relates to a kind of multiple layer double-fork type hyperstatic hydraulic support, is particularly useful for the roof timbering of the big mining height coal-face in down-hole, mine, also is applicable to the occasion that other needs supporting.
Background technology
The supporting of coal-face is one of mine imperative equipment under the coal mine.The support apparatus that uses in the China's coal-mine mainly contains the support apparatus of single layer structure forms such as single wobbling pole organization hydraulic pressure support, quadric chain hydraulic support, and for example " 15 " institution of higher education that was published in 2007 01 month by ejecting plate society of China Mining University plans in teaching material " mining machinery " book about the support apparatus content.The problem that the hydraulic support that above-mentioned single layer structure forms exists: the one, when selecting hydraulic support for use at every turn, will through the redesign, the sample frame trial-production, the Performance Detection of sample frame, by detect qualified after, just can obtain loaded down with trivial details cyclic processes such as peace standard card book, its efficient is quite low.On the other hand, because the coal seam height is higher, can't reach supporting height with the individual layer hydraulic support, the general caving roof coal hydraulic support that adopts is exploited, but the top coal caving method can't guarantee the rate of extraction of coal resources, and the rate of extraction of top coal caving technology is very low, and a large amount of coal resources just can not be exploited out and slattern.Coal resources are main energy sources of China, also be disposable exploitation and consumes energy, how effectively limited coal resources all to be exploited is a very important task, in order to accomplish this point, change the technical pattern and the exploitation height of existing hydraulic support, have very important realistic meaning and energy strategy meaning.
The utility model content
The purpose of this utility model is the deficiency that overcomes in the prior art, provides a kind of simple in structure, the production efficiency height, and cost is low, and supporting effect is good, can disposablely finish the multiple layer double-fork type hyperstatic hydraulic support of big mining height.
The technical solution of the utility model: comprise base, back timber, the front-axle beam that links to each other with back timber, the front-axle beam jack, hydraulic vertical prop, the hydraulic control valve module and the push unit of the action of control hydraulic support are provided with the central sill that constitutes double-layer scaffold between described back timber and the base, be provided with two fork-shaped aligned rigid columns or hydraulic vertical prop between central sill and the back timber, be hinged with back plate or connecting plate mechanism between the afterbody of central sill and back timber; Be provided with two fork-shaped aligned rigid columns or hydraulic vertical prop between central sill and the base, be provided with back plate or connecting plate mechanism between the afterbody of central sill and base; The front end of central sill is hinged with front-axle beam, and the bottom of central sill is provided with the front-axle beam jack that centers on the swing of front-axle beam jointed shaft; Be equipped with the gap bridge case that strengthens rigidity on central sill and the base.
Two fork-shaped aligned rigid columns or hydraulic vertical prop between described central sill and the back timber divide two rows to be symmetrical arranged, and its upper end is hinged with back timber, and its lower end and central sill are hinged; Two fork-shaped aligned rigid columns or hydraulic vertical prop between described central sill and the base divide two rows to be symmetrical arranged, and its upper end is hinged with central sill, and its lower end and base are hinged; The front end of described central sill is hinged with front-axle beam, and is hinged with the front-axle beam jack of control front-axle beam swing; Be respectively equipped with extensible canopy and its extensible canopy jack that moves of control on the front-axle beam; Described connecting plate mechanism is made of the connecting plate that is hinged on the tail boom on back timber or the central sill and be hinged on central sill or the base, and tail boom and connecting plate are articulated as one by jointed shaft; Described hydraulic control valve module is located on the gap bridge case; The front end of described central sill is hinged with front-axle beam, and its underpart is provided with the front-axle beam jack that centers on the swing of front-axle beam jointed shaft.
The beneficial effects of the utility model:
1) support has been realized modularized design, can in a cylinder diameter module scope, finish design back, cover the low clearance support with high trestle height, need not carry out the loaded down with trivial details work such as design, trial-production, detection, evidence obtaining of each specification again, shorten the cycle of producing so greatly.
2) support can be realized the integrated package Assembling Production, is according to the seriation design such as the length of rigid posts and hydraulic vertical prop, can select different length as required, can be located at upper strata or lower floor respectively, each parts is made standard component, can carry out the integrated package assembling, in time satisfies the needs in colliery.
3) support can be accomplished scale production, and each parts can form production line, produces quickly and efficiently on a large scale realizing, reaches the purpose that satisfies colliery large-scale promotion hydraulic support, improves the level of China's coal-mine performing comprehensive coal mining machineryization with the fastest speed.
4) this support can be used in the fully-mechanized mining working of big mining height, also can be used in the blast mining face of big mining height; Can be used as light hydraulic support, also can be used as heavy support, it is simple in structure, performing comprehensive coal mining machineryization level height, and good stability, safe and reliable, have practicality widely.
Description of drawings
Fig. 1 is embodiment one structural representation of the present utility model.
Fig. 2 is embodiment two structural representations of the present utility model.
Fig. 3 is embodiment three structural representations of the present utility model.
Among the figure: back timber-1, front-axle beam-2,9, extensible canopy-3,11, rigid posts-4, front-axle beam jack-5,10, extensible canopy jack-6,12, back plate-7, central sill-8, hydraulic control valve module-13, tail boom-14, connecting plate-15, base-16, gap bridge case-17, hydraulic vertical prop-18, push unit-19, drag conveyor-20.
The specific embodiment
Embodiment one, multiple layer double-fork type hyperstatic hydraulic support as shown in Figure 1, mainly by back timber 1, front- axle beam 2,9, extensible canopy 3,11, rigid posts 4, front- axle beam jack 5,10, extensible canopy jack 6,12, back plate 7, central sill 8, hydraulic control valve module 13, tail boom 14, connecting plate 15, base 16, gap bridge case 17, hydraulic vertical prop 18, push unit 19 are formed.Rigid posts 4 and back plate 7 are located between back timber 1 and the central sill 8, the upper end of rigid posts 4 and back plate 7 and back timber are 1 hinged, its lower end and central sill 8 are hinged, rigid posts 4 is arranged totally eight with two row's dual forked types, and back timber 1, rigid posts 4, central sill 8 and back plate 7 form a rock-steady structure; Hydraulic vertical prop 18 is between central sill 8 and base 16, and its upper end is 8 hinged with central sill, the lower end is hinged with base 16, and hydraulic vertical prop 18 is arranged totally eight with the two fork-shapeds of two rows, central sill 8, hydraulic vertical prop 18, base 16 formation one rock-steady structure.When hydraulic vertical prop 18 stretches, back timber 1, central sill 8, front- axle beam 2,9, extensible canopy 3,11, liftings thereupon such as front- axle beam jack 5,10, extensible canopy jack 6,12, back plate 7, tail boom 14, connecting plate 15, tail boom 14 is hinged by jointed shaft with connecting plate 15, around swinging with the jointed shaft of central sill 8, connecting plate 15 is thereupon around swinging with the jointed shaft of base 16 thereupon for tail boom 14, and the jointed shaft between tail boom 14 and back connecting plate 15 center on is swung relatively; Front-axle beam 2 is hinged with the front end of back timber 1, and front-axle beam jack 5 is hinged with back timber 1 and front-axle beam 2 respectively, and when front-axle beam jack 5 stretched, front-axle beam 2 was around swinging with back timber 1 jointed shaft; Front-axle beam 9 is hinged with the front end of central sill 8, and front-axle beam jack 10 is hinged with central sill 8 and front-axle beam 9, and when front-axle beam jack 10 stretched, front-axle beam 9 was around swinging with central sill 8 jointed shafts; At front-axle beam 2, be respectively equipped with extensible canopy 3 in 9,11, the two ends of extensible canopy jack 6 are hinged with front-axle beam 2 and extensible canopy 3 respectively, the two ends of extensible canopy jack 12 are hinged with central sill 8 and extensible canopy 11 respectively, extensible canopy 3 passes in and out with the flexible of extensible canopy jack 6, and extensible canopy 11 passes in and out with the flexible of extensible canopy jack 12.Push unit 19 is devices that are used to pass drag conveyor 20 and mobile hydraulic support; Hydraulic control valve module 13 is the centers of controlling of handling and control highly pressurised liquid, be located on the gap bridge case 17, hydraulic vertical prop 18 on the hydraulic support, front- axle beam jack 5,10, the side guard board jack on extensible canopy jack 6,12, push unit 19 and the back timber 1 is controlled or is controlled respectively by hydraulic control valve module 13.
Embodiment two: multiple layer double-fork type hyperstatic hydraulic support as shown in Figure 2, basic identical with embodiment one, same section slightly.Difference be in the upper and lower two-layer support that is divided into by central sill 8 rigid posts 4 and hydraulic vertical prop 18 carried out exchanging up and down, back plate 7 also exchanges with tail boom 14, connecting plate 15 simultaneously, this moment, rigid posts 4 and plate 7 upper ends, back and central sill 8 were hinged, lower end and base 16 are hinged, and rigid posts 4 is arranged totally eight with the two fork-shapeds of two rows.Simultaneously, hydraulic vertical prop 18 upper ends and back timber 1 are hinged, and lower end and central sill 8 are hinged, and hydraulic vertical prop 18 is arranged totally eight with the two fork-shapeds of two rows.Tail boom 14 upper ends and back timber 1 are hinged, and connecting plate 15 lower ends and central sill 8 are hinged, and the upper end of tail boom 14 lower ends and connecting plate 15 is hinged.
Embodiment three, multiple layer double-fork type hyperstatic hydraulic support shown in Figure 3, basic identical with embodiment one, same section slightly.Difference is all to adopt hydraulic vertical prop 18 in the upper and lower two-layer support that is divided into by central sill 8, and the connecting plate mechanism that is made of tail boom 14 and connecting plate 15 is all adopted at its rear portion, promptly replaces back plate 7 by connecting plate mechanism, and tail boom 14 and connecting plate 15 are replaced rigid posts 4 and back plate 7.This moment, upper and lower two-layer hydraulic vertical prop 18 upper ends were hinged with back timber 1, central sill 8 respectively, the lower end is hinged with central sill 8, base 16 respectively, upper and lower two-layer hydraulic vertical prop 18 is arranged totally eight with the two fork-shapeds of two rows, tail boom 14 upper ends are hinged with back timber 1, central sill 8 respectively, the lower end is hinged with connecting plate 15 respectively, and connecting plate 15 lower ends are hinged with central sill 8, base 16 respectively.Embodiment three is that the hydraulic vertical prop 18 of upper and lower layer all can stretch up and down with the difference of embodiment one and embodiment two.
Claims (7)
1. multiple layer double-fork type hyperstatic hydraulic support, comprise base (16), back timber (1), the front-axle beam (2) that is hinged and connected with back timber (1), front-axle beam jack (5), hydraulic vertical prop (18), the hydraulic control valve module (13) and the push unit (19) of the action of control hydraulic support, it is characterized in that: be provided with the central sill (8) that constitutes double-layer scaffold between described back timber (1) and the base (16), be provided with two fork-shaped aligned rigid columns (4) or hydraulic vertical prop (18) between central sill (8) and the back timber (1), be hinged with back plate (7) or connecting plate mechanism between the afterbody of central sill (8) and back timber (1); Be provided with two fork-shaped aligned rigid columns (4) or hydraulic vertical prop (18) between central sill (8) and the base (16), be provided with back plate (7) or connecting plate mechanism between the afterbody of central sill (8) and base (16); The front end of central sill (8) is hinged with front-axle beam (9), and the bottom of central sill (8) is provided with and makes the front-axle beam jack (10) of front-axle beam (9) around the jointed shaft swing; Be equipped with the gap bridge case (17) that strengthens rigidity on central sill (8) and the base (16).
2. multiple layer double-fork type hyperstatic hydraulic support according to claim 1, it is characterized in that: two fork-shaped aligned rigid columns (4) between described central sill (8) and the back timber (1) or hydraulic vertical prop (18), divide two rows to be symmetrical arranged, its upper end is hinged with back timber (1), and its lower end and central sill (8) are hinged.
3. multiple layer double-fork type hyperstatic hydraulic support according to claim 1, it is characterized in that: two fork-shaped aligned rigid columns (4) between described central sill (8) and the base (10) or hydraulic vertical prop (18), divide two rows to be symmetrical arranged, its upper end is hinged with central sill (8), and its lower end and base (16) are hinged.
4. multiple layer double-fork type hyperstatic hydraulic support according to claim 1 is characterized in that: be respectively equipped with extensible canopy (3) and its extensible canopy jack (6) that moves of control on the described front-axle beam (2).
5. multiple layer double-fork type hyperstatic hydraulic support according to claim 1, it is characterized in that: described connecting plate mechanism by be hinged on the tail boom (14) on back timber (1) or the central sill (8) and be hinged on central sill (8) or base (16) on connecting plate (15) constitute, tail boom (14) passes through with connecting plate (15) that jointed shaft is hinged to be.
6. multiple layer double-fork type hyperstatic hydraulic support according to claim 1 is characterized in that: described hydraulic control valve module (13) is located on the gap bridge case (17).
7. multiple layer double-fork type hyperstatic hydraulic support according to claim 1 is characterized in that: be respectively equipped with extensible canopy (11) and its extensible canopy jack (12) that moves of control on the described front-axle beam (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389518U CN201232561Y (en) | 2008-07-31 | 2008-07-31 | Double-layer and double-fork hyperstatic hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389518U CN201232561Y (en) | 2008-07-31 | 2008-07-31 | Double-layer and double-fork hyperstatic hydraulic support |
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| Publication Number | Publication Date |
|---|---|
| CN201232561Y true CN201232561Y (en) | 2009-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200389518U Expired - Lifetime CN201232561Y (en) | 2008-07-31 | 2008-07-31 | Double-layer and double-fork hyperstatic hydraulic support |
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| Country | Link |
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| CN (1) | CN201232561Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333929B (en) * | 2008-07-31 | 2010-06-09 | 中国矿业大学 | Multiple layer double-fork type hyperstatic hydraulic support |
| CN103147779A (en) * | 2013-03-15 | 2013-06-12 | 中国矿业大学 | Overall top beam statically indeterminate hydraulic bracket |
| CN104500118A (en) * | 2014-12-10 | 2015-04-08 | 中煤北京煤矿机械有限责任公司 | Statically indeterminate pull rod mechanism of excavation support |
-
2008
- 2008-07-31 CN CNU2008200389518U patent/CN201232561Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333929B (en) * | 2008-07-31 | 2010-06-09 | 中国矿业大学 | Multiple layer double-fork type hyperstatic hydraulic support |
| CN103147779A (en) * | 2013-03-15 | 2013-06-12 | 中国矿业大学 | Overall top beam statically indeterminate hydraulic bracket |
| CN104500118A (en) * | 2014-12-10 | 2015-04-08 | 中煤北京煤矿机械有限责任公司 | Statically indeterminate pull rod mechanism of excavation support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090506 Effective date of abandoning: 20080731 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090506 Effective date of abandoning: 20080731 |