CN104863584B - Coal-face non-notch feed coal mining complete equipment and tool feeding method - Google Patents

Coal-face non-notch feed coal mining complete equipment and tool feeding method Download PDF

Info

Publication number
CN104863584B
CN104863584B CN201510206989.6A CN201510206989A CN104863584B CN 104863584 B CN104863584 B CN 104863584B CN 201510206989 A CN201510206989 A CN 201510206989A CN 104863584 B CN104863584 B CN 104863584B
Authority
CN
China
Prior art keywords
coal
winning machine
face
support platform
carrying platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201510206989.6A
Other languages
Chinese (zh)
Other versions
CN104863584A (en
Inventor
黎卫兵
文斌
陈晓平
曾刚
黄星源
陈祎
陈勇
刘衍利
田雪峰
胡波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Colliery Sichuan Dazhu Coal And Electric Group Co Ltd Berlin
Original Assignee
Colliery Sichuan Dazhu Coal And Electric Group Co Ltd Berlin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Colliery Sichuan Dazhu Coal And Electric Group Co Ltd Berlin filed Critical Colliery Sichuan Dazhu Coal And Electric Group Co Ltd Berlin
Priority to CN201510206989.6A priority Critical patent/CN104863584B/en
Publication of CN104863584A publication Critical patent/CN104863584A/en
Application granted granted Critical
Publication of CN104863584B publication Critical patent/CN104863584B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
    • E21C25/08Mountings for the rods or drums
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C25/00Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/68Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means

Abstract

The present invention is coal-face non-notch feed coal mining complete equipment and tool feeding method, and wherein complete set of equipments includes coal-winning machine, drag conveyor, is additionally provided with coal-winning machine support chassis in machine lane.Coal-winning machine supports chassis and includes the support platform at top and the carrying platform of bottom, and arranges bracing frame between support platform and carrying platform, bracing frame height adjustable.It is additionally provided with coal-winning machine push unit at support platform side.Coal-winning machine is supported chassis and is dragged by haulage chain by drag conveyor.Wherein feed step is: coal-winning machine is descending to be transfixed rib and continues traveling downwardly to coal-winning machine support chassis, then elapses cylinder, and mobile coal-winning machine completes feed.Present invention alleviates labor strength, decrease operation and prepare link, improve normal cyclic rate, significantly promote per unit area yield, improve safety guarantee degree, be worthy to be popularized.

Description

Coal-face non-notch feed coal mining complete equipment and tool feeding method
Technical field
The present invention relates in a kind of mining equipment and mining methods, especially colliery complete winning apparatus and coal-winning machine at coal The tool feeding method of wall.
Background technology
A technical difficult problem of coal in China industry is always perplexed in thin, ultra-thin coal seam mechanical mining.The most domestic Low seam mining machinery tool metallization processes and auxiliary facility thereof are studied far below middle thickness and the research in above coal seam.For a long time with Coming, thin seam mining is difficult, efficiency is low, cost is high, poor working environment, and per unit area yield is relatively low, and labor strength is high, lacks pole in addition The key technology of girdle mechanical mining, fails the high-yield and high-efficiency realized truly always.
The machinery that girdle and ultra-thin coal seam mechanization mainly use includes the exploitation of twist bit manless working face, shearing Machine mechanical mining, single cylinder bottom climbing type coal-winning machine exploitation.Single cylinder bottom climbing type coal-winning machine is low because of initial stage input cost, and periphery is joined Complete equipment is simple, and the advantage that input-output ratio is high is developed rapidly in recent years.
Single cylinder bottom climbing type coal-winning machine exploitation signal such as Fig. 1, single cylinder bottom climbing type coal-winning machine 1-1 aims at exploitation ultra-thin coal seam And the coal-winning machine produced, using the fixing single cylinder 1-2 in side, anchor chain draws, and climbs base plate along seam inclination and shuttles back and forth coal cutting.
Due to single cylinder bottom climbing type coal-winning machine design congenital defect, it is impossible to from gap feed, it is necessary to use and manually adopting Coal work surface 1-4 makes feed breach 1-3, the then feed of pushing tow cutting roller of coal cutter in termination.
The coal mining operation of single ended shearer includes:
(1), artificial breach is done.Use perforating explosion, manually hovel the mode of coal from one place to another, make end notches.Upper breach is generally 4 ~5m, lower breach is generally 2~3m.Under normal circumstances, per tour need to arrange to specialize in no less than 4 people and do breach work.
(2), pushing tow feed.Hydraulic prop passage coal mining machine roller side, opens coal-winning machine simultaneously and is beneficial to feed.
(3), coal-winning machine upper (lower) row coal cutting.
Above-mentioned coal winning technology realizes single loop (i.e. coal-winning machine is along rib uplink and downlink coal cutting once) to be needed about 6.3 hours, Efficiency is performed poor.
From the point of view of summary coal winning technology, use man-made recovery's feed breach be affect coal mining efficiency main cause it One, exploitation breach is primarily present following problem:
1, efficiency is low:
During the descending coal cutting of coal-face, when generally lower outlet is walked in coal-winning machine coal cutting, gap procedures is still located In being not fully complete, causing the work surface single cycle time longer, its reason is as follows:
Artificial breach perforating, explosion and coal cutting operation can not parallel operations, cause circulation time to increase.During perforating, it is anti- Only scratch board conveyor is hurted sb.'s feelings and is forbidden running, therefore can not coal cutting;Can not parallel operations be to prevent the anchor chain that crumbles during explosion.
Artificial breach is hoveled from one place to another and be there is larger gap between coal, supporting and coal cutting operation, relatively constrains the enforcement of subsequent handling, Causing adopting face circulation time to increase, normal cyclic rate declines.
2, process links is many
Using tradition bottom climbing type coal winning technology, intermediate link is many, when particularly work surface has bursting work, adds " one Big gun three is examined ", the work such as personnel withdraw, explosion is stood guard, the most time-consuming but also increase labor intensity.
3, material consumption is high
Drilling and blasting method is accomplished by bursting work when making lower outlet breach, and explosion is accomplished by substantial amounts of detonator, explosive.To adopt The coal work surface moon, advance rate 80m calculated, and the moon consumes 320, detonator, explosive 96Kg.
3, safety management difficulty is big
There is problems in that in terms of roof control
The mode using explosion digs breach, and the impulsive force that explosive charge produces is by the while of broken for coal body, necessarily to breach Interior top board causes certain damage even to destroy.After explosion, the top board that end newly exposes is outstanding show up long-pending excessive.By substantial amounts of Float coal affects, and cannot carry out again effective support in time, causes outstanding top overlong time, easily induces roof fall accident.The coal-winning machine feed phase Between, for ensureing the current of coal-winning machine, before and after feed, carrying out repeatedly, prop drawing work, easily cause roof cracking.
4, explosion management existing problems:
Coal-face machine is laid with substantial amounts of equipment, cable, pipeline in lane.During lower outlet explosion, as improper because protecting, Easily cause damage.The safety of explosion management it is important that " big gun three is examined " and " three people's linkage blastings ", as because of dredging in link Neglect, easily cause security incident.
Therefore, how exploratory experiment thin seam mining new technology, new method, new equipment, improves thin seam mining technology water Put down and seem the most urgent and significant.
Summary of the invention
In order to solve the problems referred to above, use in ultra-thin coal seam or girdle under the technique of plant equipment exploitation, carry High coal mining efficiency, improves coal mining safety, reduces mining costs simultaneously, the invention provides a kind of during mining, is adopting During exporting feed under coal machine, it is not necessary to offer coal mining complete equipment and the tool feeding method of feed breach.
The coal-face non-notch feed coal mining complete equipment that the present invention provides, including being laid in coal-face 6 Coal-winning machine 7, it is laid in the drag conveyor 5 in machine lane, in machine lane, is additionally provided with coal-winning machine supports chassis, be used for supporting coal-winning machine Head section.
Described coal-winning machine supports chassis and includes the support platform 9 at top and the carrying platform 2 of bottom, and in support platform And bracing frame, bracing frame height adjustable are set between carrying platform.It is additionally provided with coal-winning machine push unit at support platform side.
Described coal-winning machine push unit includes the installing rack 14 being arranged on support platform side, arranges liquid on installing rack Cylinder pressure 13, the outer shell of described hydraulic cylinder is fixed on installing rack, and the piston 15 of hydraulic cylinder is towards in the middle part of support platform.
Described bracing frame includes that column and folding stand, column pass through hinge arrangement and support platform with the upper end of folding stand 9 backs connect, and lower end is connected with carrying platform 2 face.Described column is hydraulic prop.Folding stand includes at least two cylinders 17, connected by crossbeam 16 between cylinder, cylinder 17 is divided into upper and lower two sections and be connected through the hinge.
The described front end bottom carrying platform 2 upwarps as ship shape, and carrying platform face is provided with chain stake 18.
Haulage chain 4 it is provided with, the chain stake that haulage chain is connected on carrying platform on the body of drag conveyor 5.
Coal-face non-notch feed coal mining complete equipment as above, illustrates further as, described hydraulic pressure Pillar includes fixed hydraulic pillar 21 and movable hydraulic prop 12, the upper end of fixed hydraulic pillar with by hinge arrangement and support Platform back is flexibly connected, and lower end is fixed under carrying platform.The top and bottom of movable hydraulic prop 12 are all tied by hinge Structure is movably connected on support platform and carrying platform.
Being provided with sleeve 19 on carrying platform, sleeve bottom is connected with carrying platform face by hinge arrangement, movable liquid Pressure pillar 12 is sleeved in sleeve.
Coal-face non-notch feed coal mining complete equipment as above, illustrate further into, hydraulic prop divides Cloth, at the corner location of carrying platform 2, is disposed side by side on side including two fixed hydraulic pillars, and two movable hydraulic props are also Row is arranged on opposite side.Folding stand is arranged in the middle part of carrying platform.Carrying platform surface configuration has longitudinally reinforced plate 20, fixative Pressure pillar is fixed in reinforcing plate.
Coal-face non-notch feed coal mining complete equipment as above, illustrates further as, described support Platform a length of 1300~1600mm, a width of 1100~1400mm.Long 1900mm~2300mm of described carrying platform, wide 700~ 900mm.Described reinforcement plate hight 500~700mm.Coal-winning machine push unit, column all use φ 100 hydraulic prop.Institute Two cylinder centre-to-centre spacing of the folding stand stated are 300~700mm, and cylinder 17 uses I-steel or square steel.Upper and lower two sections of cylinder Gao Jun It is 350~450mm.Described sleeve bore is more than 110mm, and the degree of depth is more than 300mm.
The coal-face non-notch coal mining tool feeding method that the present invention provides, step is as follows,
1, during the descending coal cutting of coal-winning machine 7, coal-winning machine is supported chassis and moves to exit under coal-face, and Completing regulation, the support platform 9 making coal-winning machine support platform car is concordant with coal-face base plate, and support platform is inclined along mining Overturning angle.
2, when coal-winning machine marches to outlet under coal-face, continue directly to descending coal mining and transfix coal body, adopting The chain-drive section of coal machine walks in machine lane, and is held head by supporting chassis.
3, start the coal-winning machine push unit in support platform, piston promote head move forward a cylinder cut deep away from From.And regulate anchor chain 10, make anchor chain 10 two ends all move a cylinder to coal-face and cut deep distance.
4, starting coal-winning machine, make coal-winning machine return multiple walking up and down, its travel distance is less than 800mm, regulates coal winning machine position To parallel coal-face.
5, up coal-winning machine, undercutting rib, complete feed.
Coal-face non-notch coal mining tool feeding method as above, specifically, during regulation anchor chain 10, anchor chain two Termination is arranged in machine lane and air way, makes anchor chain two ends elapse the most forward on rear side of coal-face, and makes anchor chain along machine lane Interior anchor chain termination is formed to coal-winning machine, and angle of inclination is: form 15~30 degree of angles with coal-face.
Coal-face non-notch coal mining tool feeding method as above, specifically, coal-winning machine support platform control method For, regulation fixed hydraulic pillar and the height of movable hydraulic prop, make support platform along coal mining oblique angle.
Coal-face non-notch coal mining tool feeding method as above, specifically, the top edge of support platform and machine lane Upper side 1 is spaced 350~400mm.
Beneficial effects of the present invention:
This process, process matching is reasonable, and its main feature is as follows:
(1), eliminate coal cutting and the time slot in artificial gap procedures, shorten the cycle operation time, it is achieved that single Cylinder bottom climbing type coal-winning machine non-notch feed.
(2), alleviating labor strength, decrease operation and prepare link, improve normal cyclic rate, per unit area yield has significantly Degree promotes.
(3), eliminate bursting work in work surface, reduce workman's activity duration under exposing top board, improve safety guarantee Degree, reduces every material cost and the labour cost of explosion gap simultaneously.
(4), split run recruitment number reduce, improve working face extraction efficiency.
(5), technique versatility is good.Adapt to YRG3-100 type bottom climbing type coal-winning machine, MG110/130 type bottom climbing type electrical haulage The work surface that coal-winning machine, MG200/245-TPD type bottom climbing type electrical haulage shearer are supporting.
Based on coal-face 120 meters, the cycle operation time is 5 hours/cutter, relatively before 6 hours of technique one little in advance Time.Average monthly circulation number 108;Back production work efficiency 7.39t/ work.
To sum up data, this technology greatly improves the normal cyclic rate of coal-face.Using this technology every day can be to adopt Coal work surface save 2 hours, monthly promote 10~12 circulation, back production work efficiency can increase by 1.2 times.
Accompanying drawing explanation
Fig. 1 is existing breach feed operating diagram.
Fig. 2 is non-notch feed operating diagram of the present invention and complete set of equipments of the present invention arranges structure.
Fig. 3 is that coal-winning machine of the present invention supports trolley structure schematic diagram.
Fig. 4 is that coal-winning machine of the present invention supports chassis right view.
Detailed description of the invention
Example:
The coal-face non-notch feed coal mining complete equipment that the present invention provides, including being laid in coal-face 6 Coal-winning machine 7, it is laid in the drag conveyor 5 in machine lane, in machine lane, is additionally provided with coal-winning machine supports chassis, be used for supporting coal-winning machine Head section.
Coal-winning machine supports chassis and includes the support platform 9 at top and the carrying platform 2 of bottom.Due to the end in coal cutting roadway Often there is substantial amounts of float coal, spoil in portion, causes passage coal-winning machine to support chassis passage inconvenience, so in embodiment, Ke Yi Support pallet bottom and install slide rail 3, in order to make support chassis walk more easily.The length and width of support platform and land thickness It is designed as 1600 × 1300 × 100mm;Carrying platform length and width and land thickness are respectively 2222mm × 880mm × 250mm.
Folding stand includes at least two cylinders 17, is connected by crossbeam 16 between cylinder, cylinder 17 be divided into upper and lower two sections also Being connected through the hinge, make folding stand constitute about two two H-shaped framves, bottom is big H frame, and its height and width are 500 × 400mm; Top is little H frame, and its height and width are respectively 400 × 400mm.
Haulage chain 4 it is provided with, the chain stake that haulage chain is connected on carrying platform on the body of drag conveyor 5.
Fixed hydraulic pillar 21 in the present embodiment and movable hydraulic prop 12, the liquid hydraulic prop Jun Yu lane of push unit Emulsification pump in road connects, and is provided hydraulic pressure support power by emulsification pump.
The hydraulic cylinder external diameter of movable hydraulic prop is 1440mm, for installation activity hydraulic prop, sleeve 19 degree of depth 300mm, internal diameter selects the big 5mm of hydraulic cylinder external diameter than movable hydraulic prop.
Hydraulic prop is distributed in the corner location of carrying platform 2, and two fixed hydraulic pillars are disposed side by side on and lean on into machine lane Upper side side, two movable hydraulic props are disposed side by side on and lean on into Xia Bang side, machine lane.Folding stand is arranged in the middle part of carrying platform.
In the present embodiment, strengthen plate hight 650mm.Coal-winning machine push unit, column all use φ 100 hydraulic prop. Two cylinder centre-to-centre spacing of big H frame of folding stand bottom are 650mm, and the little H trestle body centre-to-centre spacing on top is 378mm, fold trestle Body all uses square steel.Upper and lower two sections of cylinder height are 1100mm.
The coal-face non-notch coal mining tool feeding method that the present embodiment provides, step is as follows,
1, during the descending coal cutting of coal-winning machine 7, coal-winning machine is supported chassis and moves to exit under coal-face, and Complete regulation, the support platform 9 making coal-winning machine support platform car is concordant with coal-face base plate, the top edge of support platform and 1 interval 375mm is helped on machine lane.And regulate fixed hydraulic pillar and the height of movable hydraulic prop, make support platform incline along mining Overturning angle.
2, when coal-winning machine marches to outlet under coal-face, continue directly to descending and transfix coal body, coal-winning machine Chain-drive section walk in machine lane, and by support chassis hold head, head stretches out about 1100mm, wherein coal-cutting drum 8 from rib It is completely exposed.
3, start the coal-winning machine push unit in support platform, piston promote head move forward a cylinder cut deep away from From, the now complete cantilevered out support platform of coal-cutting drum 8.And regulate anchor chain 10, make anchor chain 10 two ends all move to coal-face One cylinder cuts deep distance.Draw in anchor chain two ends is arranged on machine lane and air way and by anchor chain pillar 11, regulate anchor chain During 10, make anchor chain two ends elapse the most forward on rear side of coal-face, and make anchor chain anchor chain termination along machine lane extremely Formed at coal-winning machine, form 15~30 degree of angles with coal-face.
4, starting coal-winning machine, make coal-winning machine return multiple walking up and down, its travel distance is less than 800mm, in the mistake returning multiple walking Cheng Zhong, coal-winning machine is by the acting on of pull strength of anchor chain, and fuselage is gradually ajusted to being parallel to coal-face.
5, up coal-winning machine, undercutting rib, complete feed.
Use this technology, feed time and output statistics during testing:
As a example by the condition of production in a season:
Breach push-in type feed (hereinafter referred to as " contrast technique ") is done in lower outlet: accumulative quantum of output is 33895T, the average moon Produce as 11298T, average monthly circulation number 95.Back production work efficiency 6.28t/ work, 6 hours/cutter of cycle operation time.
Lower outlet is non-notch feed (hereinafter referred to as " this technology "): accumulative quantum of output is 106506T, and average monthly output is 13313T, average monthly circulation number 108.Back production work efficiency 7.39t/ work, 5 hours/cutter of cycle operation time.
To sum up data, this technology greatly improves the normal cyclic rate of coal-face.Relatively contrast technique, use this technology Every day can be coal-face save 2 hours, monthly promote 10~12 circulation, back production work efficiency can increase by 1.2 times.
Contrast and technique manually offered breach analysis of economic index:
(1), yield plan:
Circulation yield 117t, daily output 374t, monthly output 11220t.
(2), ton coal wage:
Recruitment every day 62, every work average price 300 yuan, every day wage 18600 yuan/day, ton coal wage 49.7 yuan/ton.
(3), material consumption:
Every m explosive consumption 1.2kg, detonator consumption 4.
(4), back production work efficiency: 6.03t/ work
This technology end non-notch process economics is analyzed:
(1), yield plan:
Circulation yield 117t, daily output 468t, monthly output 14040t.
(2), ton coal wage
Recruitment every day 58, every work average price 300 yuan, every day wage 17400 yuan/day, ton coal wage 37.2 yuan/ton.
(3), material consumption: without explosive material consumption.
(4), back production work efficiency 8.07t/ work.
New old technology major economic indicators contrast is shown in Table:
As can be seen from the above table:
The contrast monthly cost of raw materials used of technique is 1344 yuan;Monthly staff's wage is 18000 yuan.
This technology relatively contrasts technique ton coal wage and have dropped 12.5 yuan/ton, and work efficiency improves 25%.
According to non-notch stage process, the most cost-saved 232128 yuan, and increase production 33840t every year.
It is therefore, overall it can be seen that the technology that the present invention provides achieves preferable technical-economic index from the present embodiment, Specifically include that
(1), realize single cylinder bottom climbing type conventional face head and do not do advanced breach feed;The cycle operation time reduces 2.5 hour.
(2), per tour reduces operating personnel 2 people;Reducing production cost, cost of ton coal reduces by 18.6 yuan.
(3), improve regular work cycle rate, work surface monthly increases period 5-8.
(4), the work surface moon, per unit area yield increased by 900 tons.
Above-mentioned for exemplary illustration of the present invention, do not represent Ben Ming and protect content.

Claims (8)

1. coal-face non-notch feed coal mining complete equipment, including being laid in the coal-winning machine (7) of coal-face (6), cloth It is located at the drag conveyor (5) in machine lane, in machine lane, is additionally provided with coal-winning machine supports chassis, for supporting the chain-drive section of coal-winning machine Point;Described coal-winning machine supports chassis and includes the support platform (9) at top and the carrying platform (2) of bottom, and in support platform And bracing frame, bracing frame height adjustable are set between carrying platform;It is additionally provided with coal-winning machine push unit at support platform side; It is characterized in that,
Described coal-winning machine push unit includes the installing rack (14) being arranged on support platform side, arranges hydraulic pressure on installing rack Cylinder (13), the outer shell of described hydraulic cylinder is fixed on installing rack, and the piston (15) of hydraulic cylinder is towards in the middle part of support platform;
Described bracing frame includes that column and folding stand, column pass through hinge arrangement and support platform (9) with the upper end of folding stand Back connects, and lower end is connected with carrying platform (2) face;Described column is hydraulic prop;Folding stand includes at least two posts Body (17), is connected by crossbeam (16) between cylinder, and cylinder (17) is divided into upper and lower two sections, and upper and lower two sections are connected through the hinge;
The front end of described carrying platform (2) bottom upwarps as ship shape, and carrying platform face is provided with chain stake (18);
Haulage chain (4) it is provided with, the chain stake that haulage chain is connected on carrying platform on the body of drag conveyor (5).
2. coal-face non-notch feed coal mining complete equipment as claimed in claim 1, it is characterised in that described hydraulic pressure Pillar includes fixed hydraulic pillar (21) and movable hydraulic prop (12), and the upper end of fixed hydraulic pillar is by hinge arrangement and props up Support platform back is flexibly connected, and lower end is fixed on carrying platform;The top and bottom of movable hydraulic prop (12) are all by hinge Chain structure is movably connected on support platform and carrying platform;
Being provided with sleeve (19) on described carrying platform, sleeve bottom is connected with carrying platform face by hinge arrangement, lives Hydrodynamic pressure pillar (12) is sleeved in sleeve.
3. coal-face non-notch feed coal mining complete equipment as claimed in claim 1, it is characterised in that hydraulic prop divides Cloth, at the corner location of carrying platform (2), is disposed side by side on side including two fixed hydraulic pillars, two movable hydraulic props It is disposed side by side on opposite side;Folding stand is arranged in the middle part of carrying platform;Carrying platform surface configuration has longitudinally reinforced plate (20), Gu Determine hydraulic prop to be fixed on longitudinally reinforced plate.
4. coal-face non-notch feed coal mining complete equipment as claimed in claim 1, it is characterised in that described support Platform a length of 1300~1600mm, a width of 1100~1400mm;Long 1900mm~2300mm of described carrying platform, wide 700~ 900mm;Column uses φ 100 hydraulic prop;Two cylinder centre-to-centre spacing of described folding stand are 300~700mm, cylinder (17) I-steel or square steel are used;Upper and lower two sections of cylinder height are 350~450mm.
5. coal-face non-notch coal mining tool feeding method, step is as follows:
(1), during coal-winning machine (7) descending coal cutting, coal-winning machine is supported chassis and moves to exit under coal-face, and Completing regulation, the support platform (9) making coal-winning machine support chassis is concordant with coal-face base plate, and support platform is inclined along mining Overturning angle;
(2), when coal-winning machine marches to outlet under coal-face, continue directly to descending coal mining and transfix coal body, mining The chain-drive section of machine walks in machine lane, and is held head by coal-winning machine support chassis;
(3), the coal-winning machine push unit started in support platform, piston promote head move forward a cylinder cut deep away from From;And regulate anchor chain (10), make anchor chain (10) two ends all move a cylinder to coal-face and cut deep distance;
(4), starting coal-winning machine, make coal-winning machine return multiple walking up and down, its travel distance is less than 800mm, and regulation coal winning machine position is extremely Parallel coal-face;
(5), up coal-winning machine, undercutting rib, complete feed.
6. coal-face non-notch coal mining tool feeding method as claimed in claim 5, it is characterised in that regulation anchor chain (10) mistake Cheng Zhong, anchor chain two ends is arranged in machine lane and air way, makes anchor chain two ends elapse the most forward on rear side of coal-face, and make Anchor chain anchor chain termination along machine lane is formed to coal-winning machine, and angle of inclination is: form 15~30 degree with coal-face Angle.
7. coal-face non-notch coal mining tool feeding method as claimed in claim 5, it is characterised in that coal-winning machine support platform Control method is, regulation fixed hydraulic pillar and the height of movable hydraulic prop, makes support platform along coal mining oblique angle.
8. coal-face non-notch coal mining tool feeding method as claimed in claim 5, it is characterised in that the top of support platform (1) interval 350~400mm is helped on Yuan Yuji lane.
CN201510206989.6A 2015-04-28 2015-04-28 Coal-face non-notch feed coal mining complete equipment and tool feeding method Expired - Fee Related CN104863584B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510206989.6A CN104863584B (en) 2015-04-28 2015-04-28 Coal-face non-notch feed coal mining complete equipment and tool feeding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510206989.6A CN104863584B (en) 2015-04-28 2015-04-28 Coal-face non-notch feed coal mining complete equipment and tool feeding method

Publications (2)

Publication Number Publication Date
CN104863584A CN104863584A (en) 2015-08-26
CN104863584B true CN104863584B (en) 2017-01-04

Family

ID=53909707

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510206989.6A Expired - Fee Related CN104863584B (en) 2015-04-28 2015-04-28 Coal-face non-notch feed coal mining complete equipment and tool feeding method

Country Status (1)

Country Link
CN (1) CN104863584B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108150172A (en) * 2018-01-18 2018-06-12 山东科技大学 A kind of single method of mining coal from heavy pitch thick coal seam
CN111255519B (en) * 2020-02-20 2021-09-28 郑州普泽能源科技有限公司 Coal cutter pushing progress statistical method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU537486B2 (en) * 1979-11-09 1984-06-28 Dobson Park Industries Limited Cutter and conveyor mounting
CN202202867U (en) * 2011-06-23 2012-04-25 上海创力集团股份有限公司 Device for fixing roller of coal-mining machine
CN102536244A (en) * 2012-03-01 2012-07-04 山西中新唐山沟煤业有限责任公司 Method for mining coal on automation working face of low-seam shearer loader
CN103195428A (en) * 2013-04-23 2013-07-10 四川达竹煤电(集团)有限责任公司 Extra-thin coal seam bottom climbing type comprehensive exploitation technology
CN104234711B (en) * 2014-07-07 2016-04-20 天地科技股份有限公司 Be applicable to three flittings and the exploitation method of 7 ~ 10m high seam

Also Published As

Publication number Publication date
CN104863584A (en) 2015-08-26

Similar Documents

Publication Publication Date Title
CN101725352B (en) Method for filling solid and fully mechanizing and recovering room type coal pillar
CN1932240B (en) Full-seam cutting, retreating, separate moving and full-caving comprehensive mechanized coal mining method
CN101349159B (en) Method of single channel railless plastic core-rubber-tire vehicle back withdrawing fully-mechanized mining working face
CN105626071B (en) Mining method for gently inclined thin ore body
Tu et al. Present situation of fully mechanized mining technology for steeply inclined coal seams in China
CN101302931B (en) Method for extracting rim angle coal and re-extracting after warehouse coal extracting
CN103104260B (en) Under complex geological condition, comprehensive-machine is to hand-pulled noodles coal-mining method
CN104033151A (en) Safe mining method of ten million-ton mine under complicated conditions of dual-system coal seams
CN105952453B (en) Longwell protrusive working face of coal seam mechanization exploits complete set of equipments without lane
CN104912557A (en) High-efficiency thin coal seam complete-set coal mining equipment and coal mining method
CN110410076A (en) A kind of filling mining method for leaving Pillar Recovery for old pillars of a house goaf
CN107725052A (en) One kind, which is adopted, stays integration exploitation gob side entry top plate constant-resistance anchor body beam method for protecting support
CN101936172B (en) Governance method of floor heave of mine roadway during mining
CN105736044A (en) Method for rapidly withdrawing fully mechanized coal mining face device of steep seam
CN104405392B (en) Three soft high seam tunnel jackings are kept on file anchor rete cord active support longwall top coal caving method
CN109026000A (en) A kind of steep-inclined thick coal seam is bowed pseudo- tiltedly arc inclined cuting layering longwall top coal caving method
CN104863584B (en) Coal-face non-notch feed coal mining complete equipment and tool feeding method
CN105134212B (en) A kind of method that three soft high seam tunnel ensures the rate of extraction along top driving longwall top coal caving
CN101858216B (en) Method for recovering stagnant coal pillars left by breast type coal mining method
CN201650332U (en) Hydraulic supporting device for fully-mechanized coal winning working face
CN203962014U (en) Combine and adopt the dual-purpose working surface hydraulic support of filling
CN104533417A (en) Dual-system two-hardness short-wall coal seam mining method
CN101818649B (en) Hydraulic supporting device for fully-mechanized coal driving workface
CN104863585B (en) The thin complete set of equipments with ultra-thin coal seam coal face non-notch feed
RU2490454C1 (en) Method for open-underground mining of thick steep coal bed

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
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: 20170104

Termination date: 20180428

CF01 Termination of patent right due to non-payment of annual fee