A kind of brill plane formula coalcutter planer headTechnical field
The present invention relates to a kind of girdles to bore plane formula cutting coal method, and especially a kind of brill plane formula coalcutter planer head is especially suitableFast Algorithm for Mining for underground coal mine girdle.
Background technique
China's girdle rich reserves, are widely distributed.National coal mine girdle reserves have more than 60 hundred million tons, and yield is onlyThere is the 10.4% of total output.Over time, middle thick and high seam resource will peter out, and the exploitation of girdle will becomeThe trend of one certainty.
Currently, the equipment of domestic more common thin seam mining mainly includes coal plough and brill formula coalcutter.But it passesThe coal plough and coal drilling machine of system are chiefly used in that seam hardness is smaller, seam mining of developmental joint fissure.It is big for seam hardness, sectionThe seam mining of crack agensis is managed, the exploitation rate of coal plough is slower, and tool wear is serious；The exploitation speed of brill formula coalcutterRate is slow, and because of the lower easy bit freezing of revolving speed, it is also possible to drilling tool sideslip occurs.Various reasons all make the production efficiency of girdleIt substantially reduces.
Coal plough for underground coal mine thin seam mining is more demanding to coal mining geological condition, the plane of traditional coal ploughHead is bilateral symmetry, and for the intensity for guaranteeing shaping tool, intercept is wider.During shearing, located horizontally from the emitter twoFor side planing cutting knife tool always in same plane planing coal wall, planing pattern is plane cutting, high in exploitation toughness, joint agensisWhen coal seam, coal body is not easy avalanche, and raised coal ridge has been retained between adjacent kerf, and coal wall shows the kerf arrangement of W-shaped state, diggingDuring coal power blader cuts coal wall, planer head needs to overcome biggish ploughing resistance, shaping tool serious wear.
Existing is a kind of coal planer plough that reciprocating and staggered planing can be achieved, including plane body, shaping tool；It is symmetrical for digging bodyStructure, the planing sword of shaping tool are bias structure, are mounted on the planing sword of the shaping tool in plane body two sides tool apron in staggeredlyArrangement；Or plane body is unsymmetric structure, arranged on left and right sides tool apron interlaced arrangement.The technology is small with respect to intercept, the planing that planer head is subject toResistance is small, and the adaptability of the coals quality condition such as avalanche high to toughness, difficult, coal bed joints agensis is high.But in actual application process,Since coal body is an entirety, intensity is very big, so ploughing resistance suffered by planer head is still larger, so as to cause shaping tool instituteThe shearing force received is larger, and tool wear is still more serious；Also, since ploughing resistance is larger, lead to the traction power of coal ploughIt is higher.Furthermore since ploughing resistance is larger, often there is haulage chain fracture, so the intensity requirement to haulage chain is higher.
Summary of the invention
In order to overcome the above-mentioned deficiency of the prior art, the present invention provides a kind of brill plane formula coalcutter planer head, and this method canThe production efficiency of girdle is greatly improved, can efficiently solve that seam hardness is big, thin seam mining problem of joint agensis,It is applied widely.
The technical solution used to solve the technical problems of the present invention is that: including device of shearing, the shearing device includes planeCutting knife tool, tool apron and plane body, plane body are unsymmetric structure, and the tool apron interlaced arrangement of the left and right sides further includes boring device for coal, describedBore device for coal include four flame-proof electric motors and four tapered burs, flame-proof electric motor be located at plane in vivo, output end directly with coneShape, which is bored, to be connected, tapered bur interlaced arrangement at left and right sides of plane body；Tapered bur is in tilted layout in the horizontal plane, keeps brill device for coal advancedDevice of shearing bores coal.
The utility model has the advantages that mainly there are two core points by the present invention: first, coal plough and brill formula coalcutter are combined by the present inventionOne, realizes the innovation in structure；Second, bore device for coal shear in advance device bore coal, for shearing device provide moreThe effective scope of freedom greatly reduces ploughing resistance suffered by ramming head, specifically has the beneficial effect that:
1. complete coal body is become broken body, coal strength greatly reduces；
2., to reduce shearing force suffered by shaping tool, reducing shaping tool since coal strength substantially reducesAbrasion, extend the service life of shaping tool；
3. since coal strength substantially reduces, to reduce the power of coal plough；
4. the intensity requirement of pair haulage chain is lower, chain rupture is reduced, to improve whole coal cutting speed and efficiency；
5. improving the lump coal rate artificially controlled, economic benefit is greatly improved.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the side view of one embodiment of the invention.
Fig. 2 is the front view of the embodiment of the present invention.
Fig. 3 is the schematic diagram that the present invention applies together with drag conveyor.
In figure, 1- shaping tool, 2- tool apron, 3- tapered bur, 4- flame-proof electric motor, 5- plane body, 6- volar plate, 7-Haulage chain, 8- chain guides, 9- pushing and sliding jack, 10- are tiltedly prized, 11- drag conveyor, 12- sprocket transmission device, 13-Sprocket wheel, 14- drag conveyor, the simplified planer head of 15-, 16- working face, 17- reality coal body.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present inventionIn attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment isA part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill peopleMember's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
Fig. 1 to Fig. 3 shows the structural schematic diagram of a preferred embodiment of the invention, and one of Fig. 1 and Fig. 2 bore planeFormula coalcutter planer head, including shearing device, brill device for coal and push unit, the shearing device include shaping tool 1, tool apron 2With plane body 5, shaping tool 1 is located on tool apron 2, and tool apron 2 is located on plane body 5, and plane body 5 is unsymmetric structure, the left and right sides2 interlaced arrangement of tool apron；The brill device for coal includes that four flame-proof electric motors 4 and four tapered burs 3, flame-proof electric motor 4 are located atIt digs in body 5, output end is directly connected with tapered bur 3, and tapered bur 3 is in plane 5 left and right sides interlaced arrangement of body, the tapered bur 3The coal drilled out can be transported directly on drag conveyor 14 by helical blade thereon；Tapered bur 3 tilts in the horizontal planeArrangement, make bore device for coal shear in advance device bore coal, i.e., brill device for coal installation site than shear device it is forward；The passage dressIt sets including volar plate 6, haulage chain 7, chain guides 8, pushing and sliding jack 9 and tiltedly prizes 10, volar plate 6 is connected with plane body 5 and is set to tiltedly sledOn 10, tiltedly sled 10 is connected as one in goaf side and chain guides 8, and pushing and sliding jack 9 is connected on rear side of chain guides 8, is ledDraw chain 7 to be driven by sprocket transmission device 12,7 both ends of haulage chain and volar plate 6 are fixed, drive volar plate 6 to move on oblique sled 10, push awayJack 9 is slipped by internal emulsion driving, pushes the chain guides 8 being attached thereto.
The shearing device that the present invention is arranged, plane body 5 are unsymmetric structure, and 2 interlaced arrangement of tool apron of the left and right sides can be kept awayExempt from adjacent tool apron 2 and retain raised coal ridge, can reduce tool wear, extend cutting-tool's used life, improves shearing speed and effectRate.
Simultaneously be provided with shearing device and bore device for coal after, the brill device for coal of planer head shear in advance device bore coal, for planeDevice for coal provides more scope of freedoms, effectively reduces shearing difficulty, greatly improves shearing efficiency.In particular, boringDevice for coal device of shearing in advance bores coal, provides more effective scope of freedoms for shearing device, improves coal cutting efficiency, substantially reduceShearing force suffered by planer head, reduces the abrasion of shaping tool 1.Can effective solution seam hardness it is big, joint agensisThin seam mining problem greatly improves the production efficiency of girdle, applied widely.
A push unit is further added, plane body 5 may be implemented and be parallel to coal wall movement, complete coal breakage；And it realizesThe Forward of whole device；More convenient operation, working range is wider, and exploitation is more abundant, and efficiency also further increases.
Preferred design as the present embodiment is that the difference in height of the plane 5 two sides opposite position tool apron 2 of body is sameThe 1/2 of two neighboring 2 difference in height of tool apron in side.It can preferably guarantee 2 interlaced arrangement of two sides tool apron, not stay coal on coal wall after planingRidge.
In the present embodiment, the drilling depth of the tapered bur 3 and effective ploughing depth of shaping tool 1 are equal.In this wayIt can guarantee that boring device for coal preferably provides the effective scope of freedom for shearing device；The depth of drilling may be slightly larger than ploughing depth,But it is not smaller than ploughing depth.
Preferably, the tapered bur 3 presses 45 ° of slant settings in the horizontal plane.It is shear in advance device with guaranteeing to bore device for coalBore coal.
In embodiment, the tapered bur 3 continues high-speed rotation during entire mine, and the tapered bur of two sides turns to phaseInstead.Preferably, right side tapered bur rotates clockwise, and left side tapered bur rotates counterclockwise.
In actual exploitation work, as shown in Figure 3, it usually needs combining the present invention with drag conveyor 14 makesWith being simplified planer head 15 in figure, drag conveyor 14 is laid with along 16 overall length of working face of coal mining, is passed by drag conveyor 14Dynamic device 11 drives its operating, realizes the transport of coal.Specifically, 12 output shaft of sprocket transmission device of drag conveyor 14 is directIt is connected with sprocket wheel 13, sprocket wheel 13 is connected with the haulage chain 7 of planer head of the present invention, since the both ends of haulage chain 7 are fixed with volar plate,So sprocket wheel 13 drives haulage chain 7 when 13 transmission device 12 of sprocket wheel makees positive or antiport, haulage chain 7 drives volar plate to existIt is tiltedly moved on sled 10, and then realizes the movement that plane body 5 is parallel to the coal wall of real coal body 17, complete coal breakage；And drag conveyor14 pushing and sliding jack 9 pushes the chain guides 8 being attached thereto by internal emulsion driving, and then realizes the Forward of whole device.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according toAccording to technical spirit of the invention, any simple modification and same variation are made to above embodiments, each fall within guarantor of the inventionWithin the scope of shield.