CN102373927A - Slice mining technology and coal winning machine thereof - Google Patents
Slice mining technology and coal winning machine thereof Download PDFInfo
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- CN102373927A CN102373927A CN2010102502381A CN201010250238A CN102373927A CN 102373927 A CN102373927 A CN 102373927A CN 2010102502381 A CN2010102502381 A CN 2010102502381A CN 201010250238 A CN201010250238 A CN 201010250238A CN 102373927 A CN102373927 A CN 102373927A
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- cutting drum
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Abstract
The invention relates to a coal winning machine for a slice mining technology. The coal winning machine comprises a coal loading device. The coal loading device comprises a rotating seat, a coal loading plate and a hydraulic drive system. The coal loading device is rotatably fixed on a cutting head part of the coal winning machine by the rotating seat, and performs a free rotation movement by adopting a cutting drum arranged on the cutting head part as the center. The coal loading plate is rotatably fixed on the main body of the coal loading device. The hydraulic drive system concurrently drives the rotating seat and the coal loading plate to perform rotation movements.
Description
Technical field:
The present invention relates to a kind of colliery separate zone production technology and wherein employed coal-winning machine, particularly a kind of new separate zone production technology and wherein employed coal-winning machine of on the basis of present long-armed production technique, deriving.
Background technology:
Along with constantly perfect with fully-mechanized mining equipment of improving constantly of combining the technology of adopting, medium-thickness seam is once adopted the suitable maturation of fully mechanized mining of full mining height and high seam.Fully mechanized mining is a fully mechanized coal winning technology; The production process of fully-mechanized mining working; Mainly comprise coal cutting, a plurality of operations such as fortune coal, supporting and processing goaf, coal cutting, fortune coal, supporting operation are realized by devices such as flitting, work plane flexible flightconveyor, hydraulic supports respectively.Existing long-armed coal-mining method fully mechanized mining is: arrange hydraulic support at long-armed fully-mechanized mining working, and work plane drag conveyor, flitting, layout stage loader, extensible belt conveyor are done the crossheading transportation in fully-mechanized mining working transportation lane.Wherein arrange a work plane drag conveyor respectively, transport in opposite directions that the stage loader in lane formed drawing fully-mechanized mining working in the middle of raw coal was transported at first work plane of fully-mechanized mining working and second work plane.
Though continuous lifting along with the fully-mechanized mining equipment ability; The exploitation in original subsidiary interlayer complex geological condition coal seams such as (rocks) has not been a difficult problem; But the exploitation that is accompanied by this kind coal seam has brought another problem, and the coal seam is exploited in the lump with the rock stratum and made coal petrography mix ature of coal decline, brings huge cost to coal separation; Make that fully-mechanized mining equipment promotes the high efficiency of bringing and also is accompanied by expensive simultaneously for the exploitation in this type of coal seam.
Summary of the invention:
Exploit in the lump with the rock stratum and make coal petrography mix ature of coal decline, bring huge cost techniques problem for realizing overcoming in the existing production technique coal seam to coal separation; The present invention aims to provide a kind of suitable technological coal-winning machine of separate zone production; Its comprehensive history solves the complex geological condition coal seam problems that coal petrography mixes in recovery process such as subsidiary interlayer, and the quality of upgrading has reduced the coal separation cost simultaneously.
To achieve these goals; The invention provides a kind of coal-winning machine that is used for the separate zone production technology, it comprises coal-winning machine fuselage, rocking arm and cylinder, and wherein said rocking arm is rotatably connected on the coal-winning machine fuselage through bolt; And under the driving that is arranged at the hydraulic-driven portion on the said coal-winning machine fuselage, rotate and heighten with realization; Have the cut head on the said rocking arm, said cut head is provided with cutting drum, it is characterized in that; Said coal-winning machine also comprises coaling gear; Said coaling gear comprises revolving bed 10, and cowl 11 and fluid power system 12, said coaling gear rotatably are fixed in the cut head of said coal-winning machine through revolving bed 10 and are that free gyration is done at the center with the cutting drum of installing on the said cut head.
Said cowl 11 rotatably is fixed on the coaling gear main body, and said revolving bed 10 is done gyration under the driving of said fluid power system 12, and said cowl 11 is also together done gyration under the driving of said fluid power system 12.
Said coal-winning machine is a bitubular coal-winning machine; It comprises front arm 4, rear arm 5; Have cut head 8 and 9 on front arm 4 and the rear arm 5; Preceding cutting drum 6 is installed on respectively on cut head 8 and 9 with back cutting drum 7, is equipped with on the cut head 8 and 9 to be respectively applied for the motor that drives preceding cutting drum 6 and back cutting drum 7.
Wherein with said before the cowl 11 of the corresponding coaling gear of cutting drum 6 be parallel to rib, and the cowl 11 of the coaling gear corresponding with back cutting drum 7 is perpendicular to rib.
The movement travel of wherein said cowl is preferably 90 degree for being between 45 degree to 135 degree.Have screw thread on the said revolving bed 10 and limit mechanism 19, said screw thread limits mechanism 19 and limits the angle of revolution of whole coaling gear around the cut head.Said fluid power system is connected with cowl 11 through splined shaft 20, steady pin 21, makes that cowl 11 can be by hydraulic drive system drives.
The invention still further relates to a kind of separate zone production technology of having used above-mentioned coal-winning machine; The coal seam that said separate zone production technology will be attached interlayer is divided into three layers of superjacent, rock stratum, middle part and underlying seams; Its stages of mining is: the rock stratum at middle part is exploited in the coal seam on exploitation top more earlier, exploits the coal seam of bottom and then.
Description of drawings:
Shown in Figure 1 is the sketch map of separate zone production technology of the present invention.
Shown in Figure 2 for being used for the side diagrammatic sketch of the technological flitting of separate zone production of the present invention.
Shown in Figure 3 for being used for the diagrammatic sketch of bowing of the technological flitting of separate zone production of the present invention.
Shown in Figure 4 is the vertical view of the coaling gear of coal-winning machine.
The sectional view that is the coaling gear of coal-winning machine shown in Figure 4 along the B-B line shown in Figure 5.
The sectional view that is the coaling gear of coal-winning machine shown in Figure 4 along the A-A line shown in Figure 6.
Reference numeral: 1-hydraulic support; The 2-coal-winning machine; 3-coal-winning machine fuselage; The 4-front arm; The 5-rear arm; Cutting drum before the 6-; Cutting drum behind the 7-; 8-cut head; 9-cut head; The 10-revolving bed; The 11-cowl; The 12-oil cylinder; The 13-bolt; The 14-packing ring; The 15-backplate; The 16-bearing pin; The 17-bolt; The 18-packing ring; The 19-thread plate limits mechanism; The 20-splined shaft; The 21-steady pin; The 22-copper sheathing; The 23-back-up ring.
The specific embodiment:
In the above-mentioned long-armed production technique in complex geological condition coal seams such as subsidiary interlayer, the coal petrography that exists coal seam, upper strata and rock stratum to be caused by a quilt exploitation mixes descends ature of coal, needs additional coal separation program to make the defective of cost rising in the subsequent process.The present invention proposes a kind of separate zone production technology.This technology has proposed a feed for the coal seam of the complex geological condition of subsidiary interlayer (rock stratum or dirt band) and divided three layers of exploitation, and is as shown in Figure 1, and the coal seam of subsidiary interlayer is regarded as three layers, superjacent, rock stratum, middle part and underlying seam.The rock stratum at middle part is exploited in the coal seam of in a feed, at first exploiting top again; Exploit the coal seam of bottom and then; In recovery process, just make the coal seam obtain separating like this with rock stratum (being the dirt band layer); Thereby solved the problem that coal petrography mixes, improved ature of coal and reduced the coal separation cost simultaneously, given prominence to the high-yield and high-efficiency of fully-mechanized mining equipment.
As a specific embodiment of the present invention, as shown in Figure 1, Fig. 1 shows the actual exploitation situation of separate zone production of the present invention.Present technique relies on the exploitation of long-armed work plane, and existing is that instance describes with certain coal mine work area just: as shown in Figure 1, its coal mine work area situation does, 5.3 meters of coal average layer thickness have the rock stratum (being dirt band) about 1.8 meters in the middle part of wherein.Lectotype selection in the practical work process:
Coal-winning machine model MG900 (400)/2210 (1060)-WD
Transporter model SGZ900/1400
Hydraulic support model ZY11000/25/55
In order to realize separate zone production technology of the present invention; The problem that separate zone production The Application of Technology of the present invention mainly solves is the adaptability problem of coal-winning machine; The concrete scheme of coal-winning machine does; The tractive unit of employing standard MG900/2210-WD coal-winning machine and middle part electric-control system are that fuselage is replaced by the rocking arm that can adapt to concrete rock stratum height with rocking arm, and for example in embodiment as shown in Figure 1, the height of rock stratum is 1.8 meters; The height in total coal seam is 5.3 meters, and then the rocking arm of coal-winning machine is designed to satisfy the rocking arm of this total coal seam height.As shown in Figure 1, elder generation exploits the coal seam on 2 meters on top in recovery process, exploits the rock stratum at 1.8 meters at middle part again, exploits the coal seam of bottom and then.But will inevitably in the recovery process of the first floor and the second layer, retain float coal and floating cash and sneak into one deck down, so just reduce the recovery of superjacent and the ature of coal of underlying seam.For solving cleaning float coal and this problem of floating cash, adopted the novel coaling gear that the present invention researched and developed on the coal-winning machine that the present invention adopted.
Coal-winning machine of the present invention as shown in Figures 2 and 3, and is shown in Figure 2 for being used for the side diagrammatic sketch of the technological flitting of separate zone production of the present invention, shown in Figure 3 for being used for the diagrammatic sketch of bowing of the technological flitting of separate zone production of the present invention.Wherein Fig. 2 and coal-winning machine shown in Figure 3 are double-ended shearer, but the invention is not restricted to this, also can adopt the coal-winning machine of other type, for example single ended shearer, even three flittings.Coal-winning machine of the present invention comprises the coal-winning machine fuselage; rocking arm and cylinder; wherein rocking arm is rotatably connected on the coal-winning machine fuselage through bolt; and under the driving of hydraulic-driven portion (being preferably hydraulic jack), to be pivoted with said bolt heighten realizing, the upper end of rocking arm has the cut head, and the cut head is provided with cutting drum.As shown in Figures 2 and 3, Fig. 2 and 3 is depicted as the double-ended shearer that uses in the preferred embodiment of the invention, and the coal-winning machine 2 that is adopted among the present invention comprises coal-winning machine fuselage 3, front arm 4, rear arm 5, front roll 6 and back roll 7.Wherein coal-winning machine fuselage 3 parts comprise electrical part, hydraulic-driven portion, tractive unit etc.Front arm 4 can be swung under the driving of the hydraulic-driven part that is arranged at the coal-winning machine fuselage with rear arm 5; To heighten control; Have cut head 8 and 9 on front arm 4 and the rear arm 5; Preceding cutting drum 6 is installed on respectively on cut head 8 and 9 with back cutting drum 7, is equipped with on the cut head 8 and 9 to be respectively applied for the motor that drives preceding cutting drum 6 and back cutting drum 7.
Shown in Fig. 4-6, Fig. 4-6 is used for the coaling gear of the coal-winning machine of separate zone production for the present invention.Wherein shown in Figure 4 is the vertical view of the coaling gear of coal-winning machine.The sectional view that is the coaling gear of coal-winning machine shown in Figure 4 along the B-B line shown in Figure 5.The sectional view that is the coaling gear of coal-winning machine shown in Figure 4 along the A-A line shown in Figure 6.Shown in Fig. 4-6; The coaling gear of said coal-winning machine comprises revolving bed 10, and thread plate limits mechanism 19, cowl 11; Fluid power system 12 (being preferably oil cylinder); Bearing pin 14, backplate 15 etc., wherein whole coaling gear comprise that revolving bed 10 rotatably is fixed in cut head 8 and 9 positions of coal-winning machine 2 and are that free gyration is done at the center with the cutting drum of installing on the cut head; Have thread plate in the revolving bed 10 and limit mechanism 19, limit mechanism 19 through thread plate and limit the angle of revolution of whole coaling gear around the cut head.Revolving bed 10 is done gyration through fluid power system like the driving of hydraulic jack 12, and fluid power system also is connected with cowl 11 through splined shaft 20, steady pin 21 in addition; Make cowl 11 drive in fluid power system; Drive cowl 11 when doing gyration like oil cylinder 14 and together do gyration, cowl 11 is as shown in Figure 5 rotatably to be fixed on the coaling gear main body through bearing pin 16, and cowl 11 can rotate under the driving of fluid power system; Be preferably as shown in Figure 5 along counterclockwise moving; The movement travel of cowl is 45 to 135 degree, but is not limited thereto, and is preferably 90 degree.Wherein fluid pressure drive device preferentially adopts piston hydraulic cylinder to drive the mode of tooth bar transmission.Wherein cowl 11 is as shown in Figure 6 with the connected mode of fluid power system (being specially oil cylinder 12), and splined shaft 20 is through copper sheathing 22, and the pin 21 that is fixed is fixing, thereby realizes being connected of cowl 11 and fluid power system.In recovery process; Separate zone production of the present invention can be controlled the folding of the cowl of coaling gear through remote control with coal-winning machine; Make the cowl of the coaling gear corresponding be parallel to rib with front roll 6; Such setting can not influence the feed of cutting drum, and the cowl corresponding with back roll 7 is in operating position cleaning float coal and floating cash perpendicular to the rib direction.
Through adopting coal-winning machine of the present invention and coal-winning machine to use coaling gear, solved complex geological condition coal seams such as the subsidiary interlayer problem that coal petrography mixes in recovery process, improve the ature of coal quality and reduced the coal separation cost simultaneously.In this The Application of Technology, coal-winning machine equipment is improved, particularly to of the exploitation of coal-winning machine equipment at novel coaling gear, technical especially breakthrough.
Though the present invention is described with reference to a plurality of embodiment; But the present invention is not limited to the foregoing description; Be to be understood that those skilled in the art can carry out the suitable new embodiment that is combined to form to the parts that relate in the foregoing description, various tangible modification of on the basis that does not break away from the principle of the invention, carrying out and variation all should fall within protection scope of the present invention.
Claims (9)
1. one kind is used for the technological coal-winning machine of separate zone production; It comprises coal-winning machine fuselage, rocking arm and cylinder; Wherein said rocking arm is rotatably connected on the coal-winning machine fuselage through bolt, and under the driving that is arranged at the hydraulic-driven portion on the said coal-winning machine fuselage, rotates with realization and heighten, and has the cut head on the said rocking arm; Said cut head is provided with cutting drum; It is characterized in that said coal-winning machine also comprises coaling gear, said coaling gear comprises revolving bed 10; Cowl 11 and fluid power system 12, said coaling gear rotatably are fixed in the cut head of said coal-winning machine through revolving bed 10 and are that free gyration is done at the center with the cutting drum of installing on the said cut head.
2. coal-winning machine as claimed in claim 1; It is characterized in that; Said cowl 11 rotatably is fixed on the coaling gear main body; Said revolving bed 10 is done gyration under the driving of said fluid power system 12, said cowl 11 is also together done gyration under the driving of said fluid power system 12.
3. according to claim 1 or claim 2 coal-winning machine; It is characterized in that; Said coal-winning machine is a bitubular coal-winning machine, and it comprises front arm 4, rear arm 5, has cut head 8 and 9 on front arm 4 and the rear arm 5; Preceding cutting drum 6 is installed on respectively on cut head 8 and 9 with back cutting drum 7, is equipped with on the cut head 8 and 9 to be respectively applied for the motor that drives preceding cutting drum 6 and back cutting drum 7.
4. coal-winning machine as claimed in claim 3 is characterized in that, in recovery process, wherein with said before the cowl 11 of the corresponding coaling gear of cutting drum 6 be parallel to rib, and the cowl 11 of the coaling gear corresponding with back cutting drum 7 is perpendicular to rib.
5. coal-winning machine as claimed in claim 4 is characterized in that, the movement travel of wherein said cowl for be 45 the degree to 135 the degree between.
6. coal-winning machine as claimed in claim 5 is characterized in that, the movement travel of said cowl is 90 degree.
7. coal-winning machine as claimed in claim 3 is characterized in that, has screw thread on the said revolving bed 10 and limits mechanism 19, and said screw thread limits mechanism 19 and limits the angle of revolution of whole coaling gear around the cut head.
8. coal-winning machine as claimed in claim 7 is characterized in that, wherein said fluid power system is connected with cowl 11 through splined shaft 20, steady pin 21, makes that cowl 11 can be by hydraulic drive system drives.
9. separate zone production technology; This techniques make use like the described coal-winning machine of one of claim 1-8; The coal seam that said separate zone production technology will be attached interlayer is divided into three layers of superjacent, rock stratum, middle part and underlying seams; Its stages of mining is: the rock stratum at middle part is exploited in the coal seam on exploitation top more earlier, exploits the coal seam of bottom and then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102502381A CN102373927A (en) | 2010-08-11 | 2010-08-11 | Slice mining technology and coal winning machine thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102502381A CN102373927A (en) | 2010-08-11 | 2010-08-11 | Slice mining technology and coal winning machine thereof |
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| CN102373927A true CN102373927A (en) | 2012-03-14 |
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| CN2010102502381A Pending CN102373927A (en) | 2010-08-11 | 2010-08-11 | Slice mining technology and coal winning machine thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103628914A (en) * | 2013-11-13 | 2014-03-12 | 陕西煤业化工技术研究院有限责任公司 | Low-permeability thick-layer bedrock aquifer exploring and draining method for low-angle coal seam slicing mining |
| CN104278992A (en) * | 2013-07-11 | 2015-01-14 | 塔克拉夫有限公司 | Connecting conveyor belt unit for mining materials in layers in a strip mine and process for adapting the connecting conveyor belt unit to the mining progress |
| CN105473817A (en) * | 2013-08-08 | 2016-04-06 | 柯派克斯机械股份公司 | Cutter-loader head for thin seams |
| CN115288677A (en) * | 2022-09-28 | 2022-11-04 | 江苏源力机械科技有限公司 | Crawler-traveling self-rotating bidirectional drilling coal mining machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104278992A (en) * | 2013-07-11 | 2015-01-14 | 塔克拉夫有限公司 | Connecting conveyor belt unit for mining materials in layers in a strip mine and process for adapting the connecting conveyor belt unit to the mining progress |
| CN105473817A (en) * | 2013-08-08 | 2016-04-06 | 柯派克斯机械股份公司 | Cutter-loader head for thin seams |
| CN103628914A (en) * | 2013-11-13 | 2014-03-12 | 陕西煤业化工技术研究院有限责任公司 | Low-permeability thick-layer bedrock aquifer exploring and draining method for low-angle coal seam slicing mining |
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| CN115288677A (en) * | 2022-09-28 | 2022-11-04 | 江苏源力机械科技有限公司 | Crawler-traveling self-rotating bidirectional drilling coal mining machine |
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Application publication date: 20120314 |