CN203285470U - Hydraulic support suitable for steep-grade coal seam mining - Google Patents
Hydraulic support suitable for steep-grade coal seam mining Download PDFInfo
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- CN203285470U CN203285470U CN2013203148425U CN201320314842U CN203285470U CN 203285470 U CN203285470 U CN 203285470U CN 2013203148425 U CN2013203148425 U CN 2013203148425U CN 201320314842 U CN201320314842 U CN 201320314842U CN 203285470 U CN203285470 U CN 203285470U
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- hydraulic support
- waste rock
- upper waste
- back timber
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Abstract
The utility model discloses a hydraulic support suitable for steep-grade coal seam mining. The hydraulic support comprises a top beam, a base, two stand columns, a shield beam, a four-connecting-rod mechanism and a pushing mechanism, and further comprises a waste rock stop mechanism. The waste rock stop mechanism comprises an upper waste rock stop plate, a lower waste rock stop plate and a side waste rock stop net chain, wherein the height of the upper waste rock stop plate is adjustable, and in the process that the upper waste rock stop plate ascends and descends along with the hydraulic support, the upper waste rock stop plate is matched with the lower waste rock stop plate to enable the hydraulic support to be located in the full-closed state all the time relative to the position slantly above the hydraulic support. According to the hydraulic support suitable for steep-grade coal seam mining, waste rocks and coal blocks slantly above the hydraulic support can be prevented from falling into the hydraulic support in the maximized mode, and therefore person injuries and deaths and property damage can be avoided.
Description
Technical field
The utility model relates to a kind of seam mining support apparatus, especially a kind of hydraulic support that is applicable to steeply-inclined seam mining.
Background technology
At present, China adopts in severe inclined thick coal seam segmentation mining coal-mining method,, through practice for many years, become a kind of exploitation method with " three height " superiority.But in the middle of the high-dipping thin and medium seam moves towards on coal wall to realize that fully-mechanized mining is also being explored.
Patent CN201915983U discloses a kind of hydraulic support for the exploitation of high-dipping thin and medium seam.Hydraulic support comprises that back timber, base, two root posts, caving shield, quadric chain, thrust gear, side guard board, the end transfer beam and waste rock board etc., and wherein thrust gear comprises that an advancing jack and two wave jack.This hydraulic support can connect and compose the digging and transport unit by thrust gear and digging and transport machine, can realize high-dipping thin and medium seam fully-mechanized mining, has that production efficiency is high, labour intensity is low, the more high advantage of safety, now just progressively applies.
But also there are some problems in actual use in above-mentioned hydraulic support.
Relatively more outstanding is exactly; because the applicable coal seam of this hydraulic support belongs to half-edge coal seam; during use; work plane tilts, and top has coal cinder frequently and spoil is rolled down; and upper and lower two waste rock boards in support the place ahead are owing to can producing each other space, closed supports inclination superjacent air space fully, therefore; the coal cinder that tumbles and spoil often can enter in support, and the safety of support one skilled in the art and equipment in serious threat.
Summary of the invention
For solving in prior art waste rock board closed supports inclination superjacent air space fully, the technical problem that can't stop coal cinder and spoil to enter hydraulic support inside, the utility model provides a kind of hydraulic support that totally-enclosed gear cash mechanism is installed.
The technical solution adopted in the utility model is as follows:
A kind of hydraulic support that is applicable to steeply-inclined seam mining, comprise back timber, base, two root posts, caving shield, quadric chain and thrust gear, it is characterized in that: also comprise a gear cash mechanism, described gear cash mechanism comprises waste rock board, lower waster rock blocking plate and side block cash network chain, wherein, described upper waste rock board height can be regulated, in described hydraulic support lifting process, coordinate with described lower waster rock blocking plate, make described hydraulic support with respect to the top that tilts and be in all the time full closeding state.
In above-mentioned hydraulic support, described upper waste rock board consists of two block plates of installing up and down, described steel plate connects with several bolts each other, all be formed with some row's screwed holes on every block of described steel plate, connect the different described bolts hole of arranging by described bolt, can regulate the height of described upper waste rock board.
In above-mentioned hydraulic support, described upper waste rock board is connected with described back timber, and described lower waster rock blocking plate is connected with described base.
In above-mentioned hydraulic support, described upper waste rock board is connected with described back timber by a rotation jack, described lower waster rock blocking plate is also to be connected with described base by a rotation jack, and described rotation jack can be regulated the angle of described gear cash mechanism with respect to rib.
In above-mentioned hydraulic support, described side block cash network chain and described back timber be connected base and be connected, and with described gear cash mechanism, overlap.
In above-mentioned hydraulic support, described hydraulic support also comprises end accent beam and railroad.
In above-mentioned hydraulic support, the reach of described hydraulic support and the lifting of described back timber are all controlled and are realized by electrohydraulic control system.
In above-mentioned hydraulic support, described thrust gear comprises that an advancing jack and two wave jack.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. the hydraulic support that provides of the utility model, cash mechanism comprises upper waste rock board, lower waster rock blocking plate and side block cash network chain due to gear, wherein, upper waste rock board height can be regulated, and in the hydraulic support lifting process, with the lower waster rock blocking plate, coordinates, make hydraulic support and be in all the time full closeding state with respect to the top that tilts, therefore, the utility model can maximizedly prevent that spoil and the coal cinder of hydraulic support inclination top from falling in hydraulic support, thereby avoids causing personnel's injures and deaths and the damage of property.
Description of drawings
, for content of the present utility model is more likely to be clearly understood, below according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the elevation of the utility model hydraulic support;
Fig. 2 is the top view (not shown back timber) of the utility model hydraulic support.
Be labeled as in figure: the upper waste rock board of 1-, 101-steel plate, 102-steel plate, 103-bolt, 104-screwed hole, 2-lower waster rock blocking plate, 3-side block cash network chain.
The specific embodiment
, for making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As illustrated in fig. 1 and 2, be the preferred embodiment of the utility model hydraulic support.
A kind of hydraulic support that is applicable to steeply-inclined seam mining comprises back timber, base, two root posts, caving shield, quadric chain and thrust gear, also comprise a gear cash mechanism, described gear cash mechanism comprises waste rock board 1, lower waster rock blocking plate 2 and side block cash network chain 3, wherein, described upper waste rock board 1 highly can be regulated, in with described hydraulic support lifting process, coordinate with described lower waster rock blocking plate 2, make described hydraulic support with respect to the top that tilts and be in all the time full closeding state.
In the present embodiment, described upper waste rock board 1 is by two block plates 101 of installing up and down, 102 form, described steel plate 101,102 connect with several bolts 103 each other, all are formed with some row's screwed holes 104 on every block of described steel plate 101,102, connect the different described bolts hole 104 of arranging by described bolt 103, can regulate the height of described upper waste rock board 1.
In the present embodiment, described upper waste rock board 1 is connected with described back timber, and described lower waster rock blocking plate 2 is connected with described base.
In the present embodiment, described upper waste rock board 1 is connected with described back timber by a rotation jack, described lower waster rock blocking plate 2 is also to be connected with described base by a rotation jack, and described rotation jack can be regulated the angle of described gear cash mechanism with respect to rib.
In the present embodiment, described side block cash network chain 3 and described back timber be connected base and be connected, and with described gear cash mechanism, overlap.
In the present embodiment, described hydraulic support also comprises end accent beam and railroad.
In the present embodiment, the lifting of the reach of described hydraulic support and described back timber is all controlled and is realized by electrohydraulic control system.
In the present embodiment, described thrust gear comprises that an advancing jack and two wave jack.
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among protection domain of the present utility model.
Claims (8)
1. hydraulic support that is applicable to steeply-inclined seam mining, comprise back timber, base, two root posts, caving shield, quadric chain and thrust gear, it is characterized in that: also comprise a gear cash mechanism, described gear cash mechanism comprises waste rock board (1), lower waster rock blocking plate (2) and side block cash network chain (3), wherein, described upper waste rock board (1) highly can be regulated, in with described hydraulic support lifting process, coordinate with described lower waster rock blocking plate (2), make described hydraulic support with respect to the top that tilts and be in all the time full closeding state.
2. hydraulic support according to claim 1, it is characterized in that: described upper waste rock board (1) is by two block plates (101 of installing up and down, 102) form, described steel plate (101,102) use each other several bolts (103) to connect, every block of described steel plate (101,102) all be formed with some row's screwed holes (104) on, connect the different described bolts hole (104) of arranging by described bolt (103), can regulate the height of described upper waste rock board (1).
3. hydraulic support according to claim 2, it is characterized in that: described upper waste rock board (1) is connected with described back timber, and described lower waster rock blocking plate (2) is connected with described base.
4. hydraulic support according to claim 3, it is characterized in that: described upper waste rock board (1) is connected with described back timber by a rotation jack, described lower waster rock blocking plate (2) is also to be connected with described base by a rotation jack, and described rotation jack can be regulated the angle of described gear cash mechanism with respect to rib.
5. hydraulic support according to claim 4 is characterized in that: described side block cash network chain (3) and described back timber be connected base and be connected, and with described gear cash mechanism, overlap.
6. hydraulic support according to claim 5 is characterized in that: described hydraulic support also comprises that the end transfers beam and railroad.
7. hydraulic support according to claim 6 is characterized in that: the reach of described hydraulic support and the lifting of described back timber are all controlled and are realized by electrohydraulic control system.
8. hydraulic support according to claim 7 is characterized in that: described thrust gear comprises that an advancing jack and two wave jack.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2013203148425U CN203285470U (en) | 2013-05-30 | 2013-05-30 | Hydraulic support suitable for steep-grade coal seam mining |
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CN2013203148425U CN203285470U (en) | 2013-05-30 | 2013-05-30 | Hydraulic support suitable for steep-grade coal seam mining |
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CN2013203148425U Expired - Lifetime CN203285470U (en) | 2013-05-30 | 2013-05-30 | Hydraulic support suitable for steep-grade coal seam mining |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104533518A (en) * | 2014-12-19 | 2015-04-22 | 郑州煤矿机械集团股份有限公司 | Protection support for roadway-side packing wall |
CN104555777A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
CN108561167A (en) * | 2018-03-16 | 2018-09-21 | 新汶矿业集团有限责任公司华丰煤矿 | A kind of hydraulic pressure automatic catch cash card |
CN108915749A (en) * | 2018-06-29 | 2018-11-30 | 平顶山平煤机煤矿机械装备有限公司 | Brettis with adjustable multistage waste rock board |
-
2013
- 2013-05-30 CN CN2013203148425U patent/CN203285470U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104555777A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
CN104555777B (en) * | 2014-12-13 | 2017-04-19 | 中国煤炭科工集团太原研究院有限公司 | Novel supporting device of coal mine consecutive winch |
CN104533518A (en) * | 2014-12-19 | 2015-04-22 | 郑州煤矿机械集团股份有限公司 | Protection support for roadway-side packing wall |
CN108561167A (en) * | 2018-03-16 | 2018-09-21 | 新汶矿业集团有限责任公司华丰煤矿 | A kind of hydraulic pressure automatic catch cash card |
CN108915749A (en) * | 2018-06-29 | 2018-11-30 | 平顶山平煤机煤矿机械装备有限公司 | Brettis with adjustable multistage waste rock board |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20131113 |