CN203022739U - Coal cutting machine for steeply-inclined coal layer, scraper conveyor and hydraulic bracket - Google Patents
Coal cutting machine for steeply-inclined coal layer, scraper conveyor and hydraulic bracket Download PDFInfo
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- CN203022739U CN203022739U CN 201320009237 CN201320009237U CN203022739U CN 203022739 U CN203022739 U CN 203022739U CN 201320009237 CN201320009237 CN 201320009237 CN 201320009237 U CN201320009237 U CN 201320009237U CN 203022739 U CN203022739 U CN 203022739U
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Abstract
The utility model discloses a coal cutting machine for a steeply-inclined coal layer, a scraper conveyor and a hydraulic bracket. The coal cutting machine comprises an engine base, an upper cutting head, a lower cutting head and a control system, wherein at least one prism is formed on a lower supporting face of the engine base in a protruding manner; and the control system is further used for controlling the lower cutting head of the coal cutting machine to cut a coal layer bottom plate toward the lower side of the coal layer bottom plate when the coal cutting machine cuts coal to a pre-set position, so that a groove which extends along a coal cutting progress according to a propelling direction of a working face is formed on the coal layer bottom plate. The scraper conveyor comprises an engine base; at least one prism is formed on a lower supporting face of the engine base in the protruding manner; a hydraulic bracket comprises an engine base, a top beam and a control system; a prism is arranged on lower supporting face of the engine base in the protruding manner; and the prisms of the coal cutting machine, the scraper conveyor and the hydraulic bracket extend along the propelling direction of a fully-mechanized coal mining working face. The coal cutting machine for the steeply-inclined coal layer, the scraper conveyor and the hydraulic bracket disclosed by the utility model have the beneficial effects that a three-machine complete facility formed by the coal cutting machine, the scraper conveyor and a supporting system has no sliding hidden danger, and can safely and efficiently mine coals.
Description
Technical field
The utility model relates to underground coal mine comprehensive mechanical coal mining ancillary facility, and particularly a kind of combining for half-edge coal seam adopted supporting cutting coal machine, drag conveyor and hydraulic support.
Background technology
Half-edge coal seam refers to a kind of inclination angle greater than 45 ° of coal seams, its have China distributed more widely, occurrence condition is complicated, the exploitation characteristics such as difficulty is large.Because existing production technique falls behind, and domestic mine quantity is many.Therefore, in recent years, a lot of major accidents have occured in China., equipment back skating large due to steeply-inclined seam mining narrow space, working space angle of inclination dangerous large, coal mine waste rock splashes etc., and potential threat is large, the personnel operation difficulty is large.Simultaneously, its seam construction complexity, fold, tomography have both at the same time, and operating environment is abominable, production safety hidden danger is many, the comprehensive difficulty of adopting is large, high especially to the requirement of plant equipment compliance.Therefore, adopt existing fully mechanized mining and equipment, combining and adopting corollary equipment is that a great problem that the technology of adopting is applied to half-edge coal seam is combined in puzzlement because affected by the equipment self gravitation gliding, even change the actual angle of inclination of corollary equipment by the puppet fully-mechanized mining working that is in tilted layout, reduce downslide component slowing down falling tendency, but still be difficult to fundamentally solve the downslide problem of adopting corollary equipment of combining., need to comprehensive mining method and the equipment of existing underground half-edge coal seam be improved for this reason, comprehensively adopt requirement with what adapt to half-edge coal seam, guarantee personal security, improve its output.
Summary of the invention
The purpose of this utility model is exactly for the deficiencies in the prior art, provide a kind of for the supporting cutting coal machine of the comprehensive mechanical coal mining of half-edge coal seam, drag conveyor and hydraulic support, be used for the comprehensive defective of serious downslide that exists when adopting to overcome existing ancillary facility.
For realizing aforementioned purpose, the utility model adopts cutting coal machine, drag conveyor and the hydraulic support of following technical scheme.
A kind of cutting coal machine comprises support, upper cutting head, lower cutting head, control system, and the lower support face of described support is protruding with at least one prism, and prism extends along the direction of propulsion of cutting coal machine at fully-mechanized mining working; Described control system also be used for to be controlled cutting coal machine in coal cutting during to desired location, and the lower cutting head of cutting coal machine is again to seat earth below cutting seat earth, so that form the groove that extends with the coal cutting process by advance of the face direction on seat earth.
This programme is to set up prism on the lower support face of the support of the cutting coal machine of prior art, and cutting coal machine utilizes the prism and the groove on seat earth that protrude on its support lower support face can effectively prevent its downslide.
Preferred technical scheme, described prism is the circular arc prism.When being convenient to cutting coal machine and directly cutting out arc groove on seat earth, circular arc prism and described arc groove match.
A kind of drag conveyor comprises support, control system, and the lower support face of described support is protruding with at least one prism, and prism extends along the direction of propulsion of drag conveyor at fully-mechanized mining working.
This programme is to set up prism on the lower support face of the support of the drag conveyor of prior art, and drag conveyor utilizes the prism and the groove on seat earth that protrude on its support lower support face can effectively prevent its downslide.
Preferred technical scheme, described prism is the circular arc prism.When being convenient to cutting coal machine and directly cutting out arc groove on seat earth, circular arc prism and described arc groove match.
A kind of hydraulic support comprises support, back timber, control system, and described support lower support face is protruding with prism, and prism extends along the direction of propulsion of hydraulic support at fully-mechanized mining working.
This programme is to set up prism on the lower support face of the support of the hydraulic support of prior art, and hydraulic support utilizes the prism and the groove on seat earth that protrude on its support lower support face can effectively prevent its downslide.
Preferred technical scheme, described prism is the circular arc prism.When being convenient to cutting coal machine and directly cutting out arc groove on seat earth, circular arc prism and described arc groove match.
The support system that utilizes above-mentioned cutting coal machine, drag conveyor and be made of the hydraulic support that hydraulic support and at least one the utility model of a plurality of prior aries provides forms three machine ancillary facilities, the fully-mechanized mining working support system that is used for the half-edge coal seam mechanical coal mining, the hydraulic support that the hydraulic support at seat earth groove place adopts the utility model to provide is provided, and all the other adopt hydraulic support of the prior art.Before the three supporting installations of machine in work plane, first be processed to form at least one groove that arranges along advance of the face direction on seat earth, the prism quantity of protruding on the hydraulic support quantity that the quantity of groove and the utility model provide and cutting coal machine, drag conveyor support equates, cutting coal machine, drag conveyor and support system are by utilizing the groove on prism and seat earth to prevent its downslide.The section configuration of groove is pressed the section configuration setting of prism, and when prism is set to when circular-arc, the extension of groove on the work plane seat earth can be cut out by the coal cutting head of cutting coal machine, to improve coal cutting efficient.
When the cutting coal machine in aforementioned scheme utilizes the support of drag conveyor, can save the cutting coal machine support.
The utility model beneficial effect compared with prior art is, the three machine ancillary facilities that are made of cutting coal machine, drag conveyor and support system are without downslide hidden danger, the safety of mining, efficient.
Description of drawings
Fig. 1 is the fully-mechanized mining working top view in the utility model.
Fig. 2 is the structural representation of the interior seat earth 8 of the fully-mechanized mining working in the utility model and groove 3 thereof.
Fig. 3 is the schematic cross-section of the interior seat earth 8 of fully-mechanized mining working in the utility model.
Fig. 4 is the arrangement relation schematic diagram that cutting coal machine 6, drag conveyor 4 and the second hydraulic support 52 in the utility model is used in fully-mechanized mining working.
Fig. 5 is the drag conveyor 4 support 41 side portion structure partial schematic diagrams in the utility model.
Fig. 6 is the upward view of Fig. 5.
Fig. 7 is the second hydraulic support 52 support 521 side portion structure partial schematic diagrams in the utility model.
Fig. 8 is the upward view of Fig. 7.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but therefore the utility model is not limited among described scope of embodiments.
Embodiment 1Referring to Fig. 1, Fig. 4, Fig. 5, Fig. 6, a kind of drag conveyor comprises support 41, control system, and the lower support face of described support 41 is protruding with at least one prism 411, and prism 411 extends along the direction of propulsion of drag conveyor at fully-mechanized mining working.
Described prism 411 is the circular arc prism.
Embodiment 2Referring to Fig. 1, Fig. 4, a kind of cutting coal machine comprises support, upper cutting head 61, lower cutting head 62, control system, and the lower support face of described support is protruding with at least one prism, and prism extends along the direction of propulsion of cutting coal machine at fully-mechanized mining working; Described control system also be used for to be controlled cutting coal machine in coal cutting during to desired location, and the lower cutting head 62 of cutting coal machine is again to seat earth below cutting seat earth 8, so that form the groove that extends with the coal cutting process by advance of the face direction on seat earth 8.
Described prism is the circular arc prism.
Support in the present embodiment utilizes the support 41 of embodiment 2 middle scraper conveyers, thereby has save the support of cutting coal machine.
Embodiment 3Referring to Fig. 1, Fig. 4, Fig. 7, Fig. 8, a kind of hydraulic support comprises support 521, back timber 522, control system, and described support 521 lower support faces are protruding with prism 521a, and prism 521a extends along the direction of propulsion of hydraulic support at fully-mechanized mining working.
Described prism 521a is the circular arc prism.
Embodiment 4Referring to Fig. 1, Fig. 2, Fig. 3, a kind of half-edge coal seam is combined mining method, comprises the following steps:
A, preparation: dig respectively two parallel air return way 1 and haulage gate 2 at the upper and lower side of half-edge coal seam, dig open-off cut and form a fully-mechanized mining working between air return way 1 and haulage gate 2, being formed with at least one groove 3 that extends along advance of the face direction on the seat earth 8 of fully-mechanized mining working; Arrange in fully-mechanized mining working by the drag conveyor 4 of electric control system controls and the support system 5 that is consisted of by a plurality of the first hydraulic supports 51 and at least one second hydraulic support 52, drag conveyor 4 and the second hydraulic support 52 can utilize described groove 3 to prevent from gliding, and the first hydraulic support 51 of the second hydraulic support 52 belows are connected and fixed with described the second hydraulic support 52 be integrated; Install cutting coal machine 6 in fully-mechanized mining working; Install conveyer 7 in haulage gate 2;
B, coal mining: cutting coal machine 6 cuts the coal seam, and the desired location on seat earth 8 forms one section groove to consist of the part towards the extension of advance of the face direction that has formed groove 3 in work plane;
C, move frame: pass along advance of the face direction;
D, pushing and sliding: drag conveyor 4 is promoted to advance by hydraulic support;
F, fortune coal: the conveyer 7 in haulage gate is to the outward transport coal.
In described coal cutting step, during to desired location, the lower cutting head of cutting coal machine 6 is again to seat earth 8 belows cutting seat earths 8, so that form the groove 3 that extends with the coal cutting process by advance of the face direction on seat earth 8 in coal cutting for cutting coal machine 6; Described groove 3 is arc groove.
Described groove 3 lower limbs export 5m at least under work plane.
This coal-mining method utilizes the drag conveyor in embodiment 1,2,3, the hydraulic support correspondence of cutting coal machine to consist of drag conveyor, cutting coal machine and second hydraulic support 52 of three machine ancillary facilities in embodiment 4, simultaneously, utilize hydraulic support of the prior art to consist of the first hydraulic support 51, thereby form three machine ancillary facilities in fully-mechanized mining working.
Although the above accompanying drawing that combines has been described embodiment of the present utility model, but those of ordinary skill in the art also can recognize in scope to claims and make various variations or modification, and these modifications and variations are interpreted as within scope of the present utility model and intention.
Claims (6)
1. a cutting coal machine, comprise support, upper cutting head (61), lower cutting head (62), control system, and it is characterized in that: the lower support face of described support is protruding with at least one prism, and prism extends along the direction of propulsion of cutting coal machine at fully-mechanized mining working; Described control system also be used for to be controlled cutting coal machine in coal cutting during to desired location, the lower cutting head (62) of cutting coal machine is again to seat earth below cutting seat earth (8), so that the upper groove that extends with the coal cutting process by advance of the face direction that forms of seat earth (8).
2. cutting coal machine according to claim 1, is characterized in that, described prism is the circular arc prism.
3. a drag conveyor, comprise support (41), control system, it is characterized in that: the lower support face of described support (41) is protruding with at least one prism (411), and prism (411) extends along the direction of propulsion of drag conveyor at fully-mechanized mining working.
4. drag conveyor according to claim 3, is characterized in that, described prism (411) is the circular arc prism.
5. hydraulic support, comprise support (521), back timber (522), control system, it is characterized in that: described support (521) lower support face is protruding with a prism (521a), and prism (521a) extends along the direction of propulsion of hydraulic support at fully-mechanized mining working.
6. hydraulic support according to claim 5, is characterized in that, described prism (521a) is the circular arc prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009237 CN203022739U (en) | 2013-01-09 | 2013-01-09 | Coal cutting machine for steeply-inclined coal layer, scraper conveyor and hydraulic bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320009237 CN203022739U (en) | 2013-01-09 | 2013-01-09 | Coal cutting machine for steeply-inclined coal layer, scraper conveyor and hydraulic bracket |
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| Publication Number | Publication Date |
|---|---|
| CN203022739U true CN203022739U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320009237 Expired - Fee Related CN203022739U (en) | 2013-01-09 | 2013-01-09 | Coal cutting machine for steeply-inclined coal layer, scraper conveyor and hydraulic bracket |
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| CN (1) | CN203022739U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075155A (en) * | 2013-01-09 | 2013-05-01 | 秦玄 | Steeply inclined coal seam fully-mechanized mining method and supporting facilities |
| CN108060922A (en) * | 2018-01-09 | 2018-05-22 | 中国矿业大学 | A kind of exploitation-supporting-transport-filling integration coalcutter and its process for stoping |
| CN109505605A (en) * | 2019-01-04 | 2019-03-22 | 天地科技股份有限公司上海分公司 | The hard continuous winning apparatus of mineral aggregate down-hole mechanicalization |
-
2013
- 2013-01-09 CN CN 201320009237 patent/CN203022739U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075155A (en) * | 2013-01-09 | 2013-05-01 | 秦玄 | Steeply inclined coal seam fully-mechanized mining method and supporting facilities |
| CN108060922A (en) * | 2018-01-09 | 2018-05-22 | 中国矿业大学 | A kind of exploitation-supporting-transport-filling integration coalcutter and its process for stoping |
| CN109505605A (en) * | 2019-01-04 | 2019-03-22 | 天地科技股份有限公司上海分公司 | The hard continuous winning apparatus of mineral aggregate down-hole mechanicalization |
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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: 20130626 Termination date: 20150109 |
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| EXPY | Termination of patent right or utility model |