CN201232564Y - Double-layer hyperstatic hydraulic support - Google Patents
Double-layer hyperstatic hydraulic support Download PDFInfo
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- CN201232564Y CN201232564Y CNU2008200389541U CN200820038954U CN201232564Y CN 201232564 Y CN201232564 Y CN 201232564Y CN U2008200389541 U CNU2008200389541 U CN U2008200389541U CN 200820038954 U CN200820038954 U CN 200820038954U CN 201232564 Y CN201232564 Y CN 201232564Y
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- back timber
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- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims description 2
- 239000003245 coal Substances 0.000 abstract description 13
- 238000005065 mining Methods 0.000 abstract description 12
- 239000010410 layer Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000008093 supporting effect Effects 0.000 description 3
- 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
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect 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
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
一种双层超静定液压支架，包括底座，顶梁，前梁，前梁千斤顶，液压立柱，液压控制阀组件和推移装置，顶梁与底座之间设有中梁，中梁与顶梁之间设有倾斜排列的刚性立柱或液压立柱，中梁与顶梁的尾部之间铰接有后板或连板机构；中梁与底座之间也设有倾斜排列的刚性立柱或液压立柱，中梁与底座的尾部之间设有后板或连板机构；中梁的前端铰接有前梁，其下部设有围绕与前梁铰接轴摆动的前梁千斤顶。该支架适用于矿山井下采煤工作面的顶板支护，可用于一次采全高工作面、或用于放顶煤采煤工作面；其结构简单，承载能力大，支撑高度大，稳定性好，使用安全可靠，成本低。
A double-layer ultra-statically indeterminate hydraulic support, including a base, a top beam, a front beam, a front beam jack, a hydraulic column, a hydraulic control valve assembly and a pushing device, a middle beam is arranged between the top beam and the base, and the middle beam and the top beam There are obliquely arranged rigid columns or hydraulic columns between them, and a rear plate or connecting plate mechanism is hinged between the middle beam and the tail of the top beam; there are also obliquely arranged rigid columns or hydraulic columns between the middle beam and the base. A rear plate or a connecting plate mechanism is provided between the beam and the tail of the base; the front end of the middle beam is hinged with a front beam, and the lower part is provided with a front beam jack that swings around the hinge axis with the front beam. The bracket is suitable for the roof support of the underground coal mining face of the mine, and can be used for the full-height working face of one-time mining or the top coal mining face; it has simple structure, large bearing capacity, large support height and good stability. The use is safe and reliable, and the cost is low.
Description
Technical field
The utility model relates to a kind of hydraulic support, especially relates to a kind of double layer hyperstatic hydraulic support that is applicable to down-hole, mine big mining height coal-face roof timbering.
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 when the coal seam height is higher, can't reach the supporting height requirement with the individual layer hydraulic support, the general caving roof coal hydraulic support that adopts is exploited or separate zone production, but the top coal caving method can't guarantee the rate of extraction of coal resources, and very low by the rate of extraction of investigating top coal caving technology, a large amount of coal resources just can not be exploited out and slattern.When using separate zone production, its workload is big, and efficient is low.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, carry out the development of New Product, 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 realize the double layer hyperstatic hydraulic support of disposable big mining height.
For achieving the above object, double layer hyperstatic hydraulic support of the present utility model comprises base, back timber, the front-axle beam that links to each other with back timber, front-axle beam jack, hydraulic vertical prop, the hydraulic control valve module and the push unit of hydraulic support action, be provided with central sill between described back timber and the base, be provided with the rigid posts or the hydraulic vertical prop of oblique arrangement 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 the rigid posts or the hydraulic vertical prop of oblique arrangement 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 its underpart is provided with the front-axle beam jack that centers on the swing of front-axle beam jointed shaft; Central sill and base are provided with the gap bridge case that strengthens rigidity.
Between described central sill and the back timber rigid posts of oblique arrangement or hydraulic vertical prop relative in twos be in the shape of the letter V or be splayed be obliquely installed, be eight altogether, divide two rows to be symmetrical arranged, its upper end is hinged with back timber, its lower end and central sill are hinged; Between described central sill and the base rigid posts of oblique arrangement or hydraulic vertical prop relative in twos be splayed or be in the shape of the letter V be obliquely installed, have eight, divide two rows to be symmetrical arranged, its upper end is hinged with central sill, its lower end and base are hinged; Be respectively equipped with the extensible canopy jack that extensible canopy and control extensible canopy move on the described front-axle beam; Described connecting plate mechanism is hinged on the tail boom on back timber or the central sill and the connecting plate that is hinged on central sill or the base constitutes, and it is hinged that tail boom and connecting plate pass through jointed shaft; Described hydraulic control valve module is located on the gap bridge case; Described back timber is provided with side guard board and side guard board jack and spring reverse motion.
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 that example of the present utility model is executed two structural representations.
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: double layer hyperstatic hydraulic support 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, compositions such as 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.Rigid posts 4 and back plate 7 are located between back timber 1 and the central sill 8, its upper end is hinged with back timber 1, its lower end and central sill 8 are hinged, rigid posts 4 is with the symmetrical inclination support arrangement of two rows, be in the shape of the letter V relatively in twos to arrange or be splayed and arrange, have eight, back timber 1, rigid posts 4, central sill 8 and back plate 7 form a rock-steady structure.Hydraulic vertical prop 18 is located between central sill 8 and the base 16, its upper end is 8 hinged with central sill, lower end and base 16 are hinged, be equipped with the gap bridge case 17 that strengthens rigidity on central sill 8 and the base 16, gap bridge case 17 is welded by shaped steel, welds together with central sill 8 and base 16 respectively.Hydraulic vertical prop 18 is splayed in twos relatively and arranges or the arrangement that is in the shape of the letter V with the symmetrical inclination support arrangement of two rows, and totally eight, central sill 8, hydraulic vertical prop 18, base 16 form a rock-steady structure.When hydraulic vertical prop 18 stretches, back timber 1, central sill 8, front- axle beam 2,9, extensible canopy 3,11, front- axle beam jack 5,10, extensible canopy jack 6,12, back plate 7, the lifting thereupon of connecting plate mechanism, tail boom 14 is hinged by jointed shaft with connecting plate 15, tail boom 14 is around swinging with the jointed shaft of central sill 8, and connecting plate 15 is thereupon around swing tail boom 14 and the also relative swing of back connecting plate 15 with the jointed shaft of base 16.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.Be respectively equipped with extensible canopy 3,11 in front- axle beam 2,9, the two ends of extensible canopy jack 6 are hinged with front-axle beam 2 and extensible canopy 3 respectively, and the two ends of extensible canopy jack 12 are hinged with central sill 8 and extensible canopy 11 respectively, and extensible canopy 3 stretches with extensible canopy jack 6; Extensible canopy 11 stretches with extensible canopy jack 12.Push unit 19 is devices that are used to pass drag conveyor 20 and mobile hydraulic support, and it is made of hydraulic cylinder and push pedal.Hydraulic control valve module 13 is the centers of controlling of handling and control highly pressurised liquid, hydraulic vertical prop 18 on the hydraulic support, front- axle beam jack 5,10, extensible canopy jack 6,12, side guard board jack on push unit 19 and the back timber 1 is controlled by hydraulic control valve module 13, and hydraulic control valve module 13 is located on the gap bridge case 17.When hydraulic vertical prop 18 stretches, back timber 1, central sill 8 and all liftings thereupon of parts of being located at or being connected with back timber 1, central sill 8.
Embodiment two: double layer hyperstatic hydraulic support shown in Figure 2, basic identical with embodiment one, difference is in the up and down two-layer support that is divided into by central sill 8, the hydraulic vertical prop 18 of the rigid posts 4 on upper strata and lower floor is exchanged up and down, being about to rigid posts 4 is located between base 16 and the central sill 8, hydraulic vertical prop 18 is located between central sill 8 and the back timber 1, hydraulic vertical prop 18 upper ends and back timber 1 are hinged, lower end and central sill 8 are hinged, hydraulic vertical prop 18 is with the symmetrical inclination support arrangement of two rows, be in the shape of the letter V relatively in twos to arrange or be splayed and arrange, totally eight, back timber 1, hydraulic vertical prop 18, central sill 8 forms a rock-steady structure; Back plate 7 also exchanges with connecting plate mechanism simultaneously, this moment, rigid posts 4 and plate 7 tops, back and central sill 8 were hinged, bottom and base 16 are hinged, rigid posts 4 is with the symmetrical inclination support arrangement of two rows, being splayed in twos relatively arranges or the arrangement that is in the shape of the letter V, totally eight, central sill 8, rigid posts 4, base 16 and back plate 7 form a rock-steady structure; 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.When hydraulic vertical prop 18 stretches, back timber 1 and all liftings thereupon of parts of being located at or being connected with back timber 1.
Embodiment three: double layer hyperstatic hydraulic support shown in Figure 3, basic identical with embodiment one, difference is all to adopt hydraulic vertical prop 18 by the two-layer support up and down that central sill 8 is divided into, and two-layer support all adopts the connecting plate mechanism that is made of tail boom 14 and connecting plate 15, promptly replaces back plate 7 by connecting plate mechanism.This moment, upper strata hydraulic vertical prop 18 was with the symmetrical inclination support arrangement of two rows, be in the shape of the letter V relatively in twos to arrange or be splayed and arrange, totally eight, upper strata hydraulic vertical prop 18 upper ends and back timber 1 are hinged, lower end and central sill 8 are hinged, its tail boom 14 upper ends and back timber 1 are hinged, and the connecting plate 15 hinged with tail boom 14 is hinged on the central sill 8; Lower floor's hydraulic vertical prop 18 is with the symmetrical inclination support arrangement of two rows, is relatively in twos that splayed is arranged or the arrangement that is in the shape of the letter V, and totally eight, connecting plate 15 lower ends and base 16 are hinged, and the tail boom 14 hinged with connecting plate 15 is hinged on the central sill 8.With the difference of embodiment one and embodiment two is that bilevel hydraulic vertical prop 18 all can upper and lowerly stretch.When hydraulic vertical prop 18 stretches, back timber 1, central sill 8 and all liftings thereupon of parts of being located at or being connected with back timber 1, central sill 8.
Claims (7)
1. double layer hyperstatic hydraulic support, comprise base (16), back timber (1), the front-axle beam (2) that links to each other 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 hydraulic support action, it is characterized in that: be provided with central sill (8) between described back timber (1) and the base (16), be provided with the rigid posts (4) or the hydraulic vertical prop (18) of oblique arrangement 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 the rigid posts (4) or the hydraulic vertical prop (18) of oblique arrangement 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 the front-axle beam jack (10) that centers on the swing of front-axle beam (9) jointed shaft; Central sill (8) and base (16) are provided with the gap bridge case (17) that strengthens rigidity.
2. double layer hyperstatic hydraulic support according to claim 1, it is characterized in that: between described central sill (8) and the back timber (1) rigid posts (4) of oblique arrangement or hydraulic vertical prop (18) relative in twos be in the shape of the letter V or be splayed be obliquely installed, be eight altogether, 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. double layer hyperstatic hydraulic support according to claim 1, it is characterized in that: between described central sill (8) and the base (16) rigid posts (4) of oblique arrangement or hydraulic vertical prop (18) relative in twos be splayed or be in the shape of the letter V be obliquely installed, be eight altogether, 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. double layer hyperstatic hydraulic support according to claim 1 is characterized in that: be respectively equipped with the extensible canopy jack (6) that extensible canopy (3) and control extensible canopy move on the described front-axle beam (2).
5. double layer 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) is hinged by jointed shaft with connecting plate (15).
6. double layer 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. double layer hyperstatic hydraulic support according to claim 1 is characterized in that: be respectively equipped with the extensible canopy jack (12) that extensible canopy (11) and control extensible canopy move on the described front-axle beam (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389541U CN201232564Y (en) | 2008-07-31 | 2008-07-31 | Double-layer hyperstatic hydraulic support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200389541U CN201232564Y (en) | 2008-07-31 | 2008-07-31 | Double-layer hyperstatic hydraulic support |
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| Publication Number | Publication Date |
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| CN201232564Y true CN201232564Y (en) | 2009-05-06 |
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| CNU2008200389541U Expired - Lifetime CN201232564Y (en) | 2008-07-31 | 2008-07-31 | Double-layer hyperstatic hydraulic support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333932B (en) * | 2008-07-31 | 2010-06-02 | 中国矿业大学 | Double-layer super static hydraulic support |
-
2008
- 2008-07-31 CN CNU2008200389541U patent/CN201232564Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101333932B (en) * | 2008-07-31 | 2010-06-02 | 中国矿业大学 | Double-layer super static hydraulic 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 |