CN102926790A - Inter-support coal-leakage-prevention device of combined-mining hydraulic support - Google Patents
Inter-support coal-leakage-prevention device of combined-mining hydraulic support Download PDFInfo
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- CN102926790A CN102926790A CN2012105076347A CN201210507634A CN102926790A CN 102926790 A CN102926790 A CN 102926790A CN 2012105076347 A CN2012105076347 A CN 2012105076347A CN 201210507634 A CN201210507634 A CN 201210507634A CN 102926790 A CN102926790 A CN 102926790A
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Abstract
The invention belongs to a mining device, and particularly relates to an inter-support coal-leakage-prevention device of a combined-mining hydraulic support. The inter-support coal-leakage-prevention device of the combined-mining hydraulic support comprises a hydraulic support body, and further comprises a coal-leakage-prevention device, wherein the coal-leakage-prevention device comprises coal receiving devices mounted on front hydraulic support upright posts and rear hydraulic support upright posts at one side of the hydraulic support body. According to the inter-support coal-leakage-prevention device of the combined-mining hydraulic support, the structure is novel, the conception is smart, the mounting is convenient, and the coal-leakage-prevention device has no obstacle to the hydraulic support body. After trial, the coal-leakage-prevention device provided by the invention can be used for processing more than 95% of coal leakage in support gaps, so that the labor intensity of a worker is lowered, and the quality standardization level of the combined-mining working face is improved.
Description
Technical field
The invention belongs to mining equipment, specifically coal leak preventing device between a kind of comprehensive mining hydraulic bracket frame.
Background technology
Hydraulic support body (as shown in Figure 1) comprises hydraulic support column 13 behind two the front hydraulic support columns (12), two, front-axle beam movable side protection plate 14, back timber side guard board 15 and tail boom side guard board 23, and described front hydraulic support column, rear hydraulic support column all are to be made of outer cylinder body and the cylinder alive that stretches in outer cylinder body.Colliery down-hole combined mining working, hydraulic support body mainly contain four actions: fall frame, move frame, rise frame and pushing and sliding.Fall frame and moving two hydraulic support body gaps increases in the frame process, a large amount of coal dusts and coal cinder fall along the slit, under ventilated environment, produce a large amount of dusts, work under bad environment, and the coal dust that falls and coal cinder (leakage coal) drop between frame on the hydraulic cylinder, affect the hydraulic cylinder action, need manually to remove, increase labor strength, also workman's health produced greatly harm.
Summary of the invention
The present invention provides coal leak preventing device between a kind of comprehensive mining hydraulic bracket frame in order to improve working environment and to alleviate labor strength.
The present invention is achieved by the following technical solutions: coal leak preventing device between the comprehensive mining hydraulic bracket frame, comprise the hydraulic support body, also comprise the coal leak preventing device, described coal leak preventing device comprises the device for coal that connects that is installed on the front hydraulic support column of hydraulic support body one side and the rear hydraulic support column; Describedly connect fixedly connect coal groove and corresponding being enclosed within that device for coal comprises that the longitudinal cross-section is " U " shape and fixedly connect the interior activity of coal groove and connect the coal groove, also comprise the gripper shoe that is consisted of by channel-section steel and angle steel, the outside, a wherein angle steel limit of angle steel is fixed on the outer wall of channel-section steel, angle steel is coated and fixed on one of them that fixedly connect the coal groove and turns in the section, before the channel-section steel, vertically have respectively through hole in the groove at rear two ends, the through hole of channel-section steel front end is provided with the first linkage, the through hole of rear end is provided with second linkage identical with the first linkage structure, described gripper shoe front end supports by the first linkage and is fixed on the front hydraulic support column, described the first linkage comprises the spring steady pin that runs through through hole, hold out against spring and vertical bar, being positioned on the spring steady pin of channel-section steel upside and downside respectively, threaded engagement has the upper limit nut, lower position nut, holding out against ring spring is placed on the spring steady pin, and stop bit is between channel-section steel bottom surface and lower position nut, be positioned on the spring steady pin of channel-section steel downside and stretch out connection strap, the outer wall of connection strap and channel-section steel is fixed on respectively bottom and the top of vertical bar one side, the bottom of vertical bar opposite side and top is the circumscribed fixedly cuff that is fixed with all, and described clips cover is located on the cylinder alive of front hydraulic support column; In like manner, the gripper shoe rear end is supported by the second linkage and is fixed on the rear hydraulic support column; Activity connects coal groove rear end and is connected on the tail boom side guard board by back-moving spring; The horizontal range of the front-axle beam movable side protection plate front end that open to full extension more than or equal to the front hydraulic support column center of circle to the horizontal range that fixedly connects the coal front of the slot in the front hydraulic support column center of circle; Fixedly connect the coal groove and movable connect the interior groove width of coal groove all greater than the retraction distance between the two hydraulic support bodies side by side, described retraction distance: when the back timber side guard board of two hydraulic supports is retracted fully, the horizontal range between the two hydraulic support bodies between the adjacent two back timber side guard boards; Fixedly connect coal groove and the movable outer groove width that connects the coal groove all less than between the two front hydraulic support columns of side by side two hydraulic support body sides adjacent and the distance between the two rear hydraulic support columns.
Some hydraulic support bodies side by side, in two adjacent hydraulic support bodies wherein a hydraulic support be this, another is adjacent frame.
During concrete the use, when this prior to adjacent frame during to the reach frame, activity connects the coal groove without movement; When adjacent frame prior to this to reach during frame, activity connects the afterbody of coal groove under the promotion of the tail boom side guard board of adjacent frame, activity connects the coal groove and slides to fixedly connecing in the coal groove, having guaranteed to connect device for coal can be stressed and crowded not bad.
Because the front end horizontal range of the front-axle beam movable side protection plate that open to full extension more than or equal to the front hydraulic support column center of circle to the horizontal range that fixedly connects the coal front of the slot in the front hydraulic support column center of circle.Guaranteed that when the front-axle beam movable side protection plate of this and adjacent frame is inwardly retracted the coal dust between this and the adjacent frame and coal cinder fall into and connect in coal groove (fixedly connect coal groove and activity and the connect the coal groove) groove downwards.
When this falls the frame action, this back timber side guard board is inwardly retracted downwards, the outer end side pressure of back timber side guard board compresses and holds out against spring to connecing in coal groove (fixedly connect coal groove and activity and the connect the coal groove) groove, holds out against spring, gripper shoe moves downward along the spring steady pin; When this carries out rising the frame action, connect the coal groove under the effect that holds out against spring, top capping beam side guard board.The first linkage and the second linkage have guaranteed no matter be when rising frame, or when falling frame, and the coal dust between this and the adjacent frame and coal cinder fall into and connect in the coal groove.
Upper limit nut and lower position nut have guaranteed the normal operation of the first linkage and the second linkage.
The coal leak preventing apparatus structure is novel between comprehensive mining hydraulic bracket frame of the present invention, is skillfully constructed, and easy for installation, the coal leak preventing device is accessible to the operation of hydraulic support body.Through on probation, coal leak preventing device of the present invention can be processed the leakage coal of support gap more than 95%, has reduced workman's labour intensity, has improved the quality standardization level of fully-mechanized mining working.
Description of drawings
Fig. 1 is the structural representation of hydraulic support body.
Fig. 2 is the front view that connects device for coal of coal leak preventing device between comprehensive mining hydraulic bracket frame of the present invention.
Fig. 3 is the top view that connects device for coal of coal leak preventing device between comprehensive mining hydraulic bracket frame of the present invention.
Fig. 4 is for fixedly connecing the connection diagram of coal groove and front hydraulic support column.
Fig. 5 is the longitudinal sectional view of gripper shoe.
Fig. 6 is the structural representation of the clear device for coal of coal leak preventing device between comprehensive mining hydraulic bracket frame of the present invention.
Among the figure: 1-fixedly connects the coal groove, and the 2-activity connects the coal groove, the 3-gripper shoe, 4-holds out against spring, 5-back-moving spring, 6-spring steady pin, 7-is cuff fixedly, 8-vertical bar, 9-upper limit nut, the 10-lower position nut, hydraulic support column before the 11-connection strap, 12-, hydraulic support column behind the 13-, 14-front-axle beam movable side protection plate, 15-back timber side guard board, the 16-displacement transducer, 17-atomizing pump, 18-nozzle, the 19-pipeline, 20-water valve, 21-Plane stop valve, the 22-stop valve, 23-tail boom side guard board, a-distance, groove width in the b-, 3.1-channel-section steel, the 3.2-angle steel.
The specific embodiment
Coal leak preventing device between the comprehensive mining hydraulic bracket frame comprises the hydraulic support body, also comprises the coal leak preventing device, and described coal leak preventing device comprises the device for coal that connects that is installed on the front hydraulic support column 12 of hydraulic support body one side and the rear hydraulic support column 13; Describedly connect fixedly connect coal groove 1 and corresponding being enclosed within that device for coal comprises that the longitudinal cross-section is " U " shape and fixedly connect the 1 interior activity of coal groove and connect coal groove 2, also comprise the gripper shoe 3 that is consisted of by channel-section steel 3.1 and angle steel 3.2, the outside, a wherein angle steel limit of angle steel 3.2 is fixed on the outer wall of channel-section steel 3.1, angle steel 3.2 is coated and fixed on one of them that fixedly connect coal groove 1 and turns in the section, before the channel-section steel 3.1, vertically have respectively through hole in the groove at rear two ends, the through hole of channel-section steel 3.1 front ends is provided with the first linkage, the through hole of rear end is provided with second linkage identical with the first linkage structure, described gripper shoe 3 front ends support by the first linkage and are fixed on the front hydraulic support column 12, described the first linkage comprises the spring steady pin 6 that runs through through hole, hold out against spring 4 and vertical bar 8, being positioned on the spring steady pin 6 of channel-section steel 3.1 upsides and downside respectively, threaded engagement has upper limit nut 9, lower position nut 10, holding out against spring 4 is located on the spring steady pin 6, and stop bit is between channel-section steel 3.1 bottom surfaces and lower position nut 10, be positioned on the spring steady pin 6 of channel-section steel 3.1 downsides and stretch out connection strap 11, the outer wall of connection strap 11 and channel-section steel 3.1 is fixed on respectively bottom and the top of vertical bar 8 one sides, the bottom of vertical bar 8 opposite sides and top is the circumscribed fixedly cuff 7 that is fixed with all, and described fixedly cuff 7 is located on the cylinder alive of front hydraulic support column 12; In like manner, gripper shoe 3 rear ends are supported by the second linkage and are fixed on the rear hydraulic support column 13; Activity connects coal groove 2 rear ends and is connected on the tail boom side guard board 23 by back-moving spring 5; The horizontal range of front-axle beam movable side protection plate 14 front ends that open to full extension more than or equal to front hydraulic support column 12 centers of circle to the horizontal range a that fixedly connects coal groove 1 front end in front hydraulic support column 12 centers of circle; Fixedly connect coal groove 1 and movable meet the interior groove width b of coal groove 2 all greater than the retraction distance between the two hydraulic support bodies side by side, described retraction distance: when the back timber side guard board 15 of two hydraulic supports is retracted fully, the horizontal range between the two hydraulic support bodies between the adjacent two back timber side guard boards 15; Fixedly connect coal groove 1 and the movable outer groove width that connects coal groove 2 all less than between the two front hydraulic support columns 12 of side by side two hydraulic support body sides adjacent and the distance between the two rear hydraulic support columns 13.
During concrete the installation, fixedly connect coal groove 1 and upwards be 3～5 ° of elevations angle with horizontal direction forward with the movable straight line that connects coal groove 2 places, guaranteed that the leakage coal in the groove enters hydraulic support body rear side smoothly.
During implementation, described coal leak preventing device comprises clearly device for coal, described clear device for coal comprises the displacement transducer 16 that is assemblied on front hydraulic support column 12 outer cylinder bodies, atomizing pump 17, be located in the groove that fixedly connects coal groove 1 front end and opening connects the nozzle 18 of coal groove 2 towards activity, be communicated with the pipeline 19 of atomizing pump 17 and nozzle 18, be serially connected with the water valve 20 on the pipeline 19, control the control device of water valve 20 switches according to the output signal of displacement transducer 16.When this fell frame, displacement transducer 16 was transferred to control device with the displacement signal that collects, and water valve 20 is opened in control device control, and the water in the atomizing pump 17 passes pipeline 19 and nozzle 18 is charged to the hydraulic support rear side with the leakage coal in the groove; In like manner described, when this rose frame, water valve 20 cut out.Described clear device for coal has cleaning and leaks coal and dustproof function.
Further, the pipeline 19 between water valve 20 and atomizing pump 17 is serially connected with Plane stop valve 21, also is serially connected with stop valve 22 on the pipeline 19 between water valve 20 and the nozzle 18.Plane stop valve 21 and stop valve 22 add the maintenance of being convenient to pipeline 19.
Claims (4)
1. coal leak preventing device between the comprehensive mining hydraulic bracket frame, comprise the hydraulic support body, it is characterized in that, also comprise the coal leak preventing device, described coal leak preventing device comprises the device for coal that connects that is installed on the front hydraulic support column of hydraulic support body one side (12) and the rear hydraulic support column (13); Describedly connect fixedly connect coal groove (1) and corresponding being enclosed within that device for coal comprises that the longitudinal cross-section is " U " shape and fixedly connect the interior activity of coal groove (1) and connect coal groove (2), also comprise the gripper shoe (3) that is consisted of by channel-section steel (3.1) and angle steel (3.2), the outside, a wherein angle steel limit of angle steel (3.2) is fixed on the outer wall of channel-section steel (3.1), angle steel (3.2) is coated and fixed on one of them that fixedly connect coal groove (1) and turns in the section, channel-section steel (3.1) is front, vertically have respectively through hole in the groove at rear two ends, the through hole of channel-section steel (3.1) front end is provided with the first linkage, the through hole of rear end is provided with second linkage identical with the first linkage structure, described gripper shoe (3) front end supports by the first linkage and is fixed on the front hydraulic support column (12), described the first linkage comprises the spring steady pin (6) that runs through through hole, hold out against spring (4) and vertical bar (8), being positioned on the spring steady pin (6) of channel-section steel (3.1) upside and downside respectively, threaded engagement has upper limit nut (9), lower position nut (10), holding out against spring (4) is located on the spring steady pin (6), and stop bit is between channel-section steel (3.1) bottom surface and lower position nut (10), be positioned on the spring steady pin (6) of channel-section steel (3.1) downside and stretch out connection strap (11), the outer wall of connection strap (11) and channel-section steel (3.1) is fixed on respectively bottom and the top of vertical bar (8) one sides, the bottom of vertical bar (8) opposite side and top is the circumscribed fixedly cuff (7) that is fixed with all, and described fixedly cuff (7) is located on the cylinder alive of front hydraulic support column (12); In like manner, gripper shoe (3) rear end is supported by the second linkage and is fixed on the rear hydraulic support column (13); Activity connects coal groove (2) rear end and is connected on the tail boom side guard board (23) by back-moving spring (5); The horizontal range of front-axle beam movable side protection plate (14) front end that open to full extension more than or equal to front hydraulic support column (12) center of circle to the horizontal range (a) that fixedly connects coal groove (1) front end in front hydraulic support column (12) center of circle; Fixedly connect coal groove (1) and activity and connect the interior groove width (b) of coal groove (2) all greater than the retraction distance between the two hydraulic support bodies side by side, described retraction distance: the back timber side guard board (15) of two hydraulic supports is when retracting fully, the horizontal range between the two hydraulic support bodies between the adjacent two back timber side guard boards (15); Fixedly connect outer groove width that coal groove (1) and activity connect coal groove (2) all less than between the two front hydraulic support columns (12) of side by side two hydraulic support body sides adjacent and the distance between the two rear hydraulic support columns (13).
2. coal leak preventing device between comprehensive mining hydraulic bracket frame according to claim 1 is characterized in that, fixedly connects the straight line that coal groove (1) and activity connect coal groove (2) place and upwards is 3～5 ° of elevations angle with horizontal direction forward.
3. coal leak preventing device between comprehensive mining hydraulic bracket frame according to claim 1 and 2, it is characterized in that, described coal leak preventing device comprises clearly device for coal, described clear device for coal comprises the displacement transducer (16) that is assemblied on front hydraulic support column (12) outer cylinder body, atomizing pump (17), be located in the groove that fixedly connects coal groove (1) front end and opening connects the nozzle (18) of coal groove (2) towards activity, the pipeline (19) that is communicated with atomizing pump (17) and nozzle (18), be serially connected with the water valve (20) on the pipeline (19), control the control device of water valve (20) switch according to the output signal of displacement transducer (16).
4. coal leak preventing device between comprehensive mining hydraulic bracket frame according to claim 3, it is characterized in that, be positioned on the pipeline (19) between water valve (20) and the atomizing pump (17) and be serially connected with Plane stop valve (21), be positioned on the pipeline (19) between water valve (20) and the nozzle (18) and also be serially connected with stop valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210507634.7A CN102926790B (en) | 2012-12-03 | 2012-12-03 | Inter-support coal-leakage-prevention device of combined-mining hydraulic support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210507634.7A CN102926790B (en) | 2012-12-03 | 2012-12-03 | Inter-support coal-leakage-prevention device of combined-mining hydraulic support |
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| Publication Number | Publication Date |
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| CN102926790A true CN102926790A (en) | 2013-02-13 |
| CN102926790B CN102926790B (en) | 2014-10-22 |
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| CN201210507634.7A Expired - Fee Related CN102926790B (en) | 2012-12-03 | 2012-12-03 | Inter-support coal-leakage-prevention device of combined-mining hydraulic support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628902A (en) * | 2013-12-18 | 2014-03-12 | 中煤北京煤矿机械有限责任公司 | Large-bore upright without local weld joint structure |
| CN104747218A (en) * | 2015-03-02 | 2015-07-01 | 程龙斌 | Roof leakage and roof collapse preventing device of fully-mechanized coal mining hydraulic support |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1135942A (en) * | 1964-12-07 | 1968-12-11 | Groetschel Karl Maria | Improvements relating to roof supports for mine workings |
| CN101666230A (en) * | 2009-10-09 | 2010-03-10 | 耿学文 | Coal mining method of lengthened front-beam fully-mechanized mining and fully-mechanized top coal carving of three-soft coal seam and equipment |
| CN201671650U (en) * | 2010-06-08 | 2010-12-15 | 四川达竹煤电(集团)有限责任公司 | Extremely-thin seam mining hydraulic support |
| CN202370562U (en) * | 2011-12-15 | 2012-08-08 | 山西阳泉盂县东坪煤业有限公司 | Solid waste filling coal mining hydraulic support frame |
| CN202926363U (en) * | 2012-12-03 | 2013-05-08 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Coal leakage-proof device between fully mechanized mining hydraulic supports |
-
2012
- 2012-12-03 CN CN201210507634.7A patent/CN102926790B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1135942A (en) * | 1964-12-07 | 1968-12-11 | Groetschel Karl Maria | Improvements relating to roof supports for mine workings |
| CN101666230A (en) * | 2009-10-09 | 2010-03-10 | 耿学文 | Coal mining method of lengthened front-beam fully-mechanized mining and fully-mechanized top coal carving of three-soft coal seam and equipment |
| CN201671650U (en) * | 2010-06-08 | 2010-12-15 | 四川达竹煤电(集团)有限责任公司 | Extremely-thin seam mining hydraulic support |
| CN202370562U (en) * | 2011-12-15 | 2012-08-08 | 山西阳泉盂县东坪煤业有限公司 | Solid waste filling coal mining hydraulic support frame |
| CN202926363U (en) * | 2012-12-03 | 2013-05-08 | 山西潞安环保能源开发股份有限公司王庄煤矿 | Coal leakage-proof device between fully mechanized mining hydraulic supports |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628902A (en) * | 2013-12-18 | 2014-03-12 | 中煤北京煤矿机械有限责任公司 | Large-bore upright without local weld joint structure |
| CN104747218A (en) * | 2015-03-02 | 2015-07-01 | 程龙斌 | Roof leakage and roof collapse preventing device of fully-mechanized coal mining hydraulic support |
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| Publication number | Publication date |
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| CN102926790B (en) | 2014-10-22 |
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