CN103590829A - Four-roller coal cutter adopting double-roller cutting parts - Google Patents
Four-roller coal cutter adopting double-roller cutting parts Download PDFInfo
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- CN103590829A CN103590829A CN201310601470.9A CN201310601470A CN103590829A CN 103590829 A CN103590829 A CN 103590829A CN 201310601470 A CN201310601470 A CN 201310601470A CN 103590829 A CN103590829 A CN 103590829A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 216
- 239000003245 coal Substances 0.000 title abstract description 30
- 238000005507 spraying Methods 0.000 claims description 56
- 230000007246 mechanism Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000036346 tooth eruption Effects 0.000 abstract 1
- 239000012208 gear oil Substances 0.000 description 10
- 238000005065 mining Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 8
- 238000005086 pumping Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003818 cinder Substances 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
- E21C25/10—Rods; Drums
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Road Repair (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a four-roller coal cutter adopting a double-roller cutting parts. The four-roller coal cutter comprises a right cutting part and a left cutting part which have the same structure, a right drawing part and a left drawing part which have the same structure, a right traveling part and left traveling part which have the same structure, as well as a middle control cabinet, wherein each cutting part comprises two cutting rollers, namely a dextrorotary cutting roller and a laevorotatory cutting roller; the rotation directions of each dextrorotary cutting roller and each laevorotatory cutting roller are opposite. According to the coal cutter adopting double- roller cutting part, provided by the invention, the two rollers are arranged on each cutting part, so that the total coal accommodating ratio is increased; the rotation directions of every two cutting rollers are opposite, so that the radial ejection of a coal block can be effectively prevented, and coal charging is further facilitated; the coal cutting and charging efficiency is greatly improved, the cutting teeth utilization ratio is improved, the service life of the whole machine is prolonged, the operation of the whole machine is stable, the coal charging effect is excellent, and the failure rate is low.
Description
Technical field
The present invention relates to coal-winning machine, relate in particular to a kind of four flittings that adopt twin-roll cutting units.
Background technology
Twin-roll low seam mining machinery is with its safety, advantage is adopted by each large, medium and small colliery efficiently, twin-roll low seam mining machinery as shown in Figure 1, comprise right cutting units a7 and left cutting units a8 that structure is identical, the right tractive unit a9 that structure is identical and left tractive unit a10, the right running part a11 that structure is identical and left running part a12, and middle control cabinet a13, described right running part a11 and left running part a12 are fixedly mounted on respectively the side of right tractive unit a9 and left tractive unit a10, the both sides of control cabinet a13 in the middle of described right tractive unit a9 and left tractive unit a10 are docked at respectively, described right cutting units a7 is hinged on right tractive unit a9 by bearing pin A, described left cutting units a8 is hinged on left tractive unit a10 by bearing pin B.As shown in Figure 2, each cutting units comprises a cutting units housing (being rocking arm housing) a1, cutting motor a2, gear train assembly a3, clutch a4, internal spraying system a5, external spraying system, a cutting drum a6, and other accessories; It is upper that described cutting motor a2 is arranged on cutting units housing a1, and cutting motor a2 is connected with gear train assembly a3, after gear train assembly a3 slows down, is exported the power of cutting motor a2 output to cutting drum a6 by clutch a4; Internal spraying system a5 and external spraying system are used for the depositing dust of putting out a fire.
In being less than or equal to the recovery process thin or mining coal seam as thin as a wafer of 1.3 meters, this double-ended shearer will show problem, due to average balk, the reason such as unloading cross section that coal-winning machine machine height is short, diameter of cylinder is little, coal is mobile is little, make that effect of loading coal is bad, float coal amount is more, seriously restricting the further raising of output.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of four flittings that adopt twin-roll cutting units, to improve the effect of loading coal of cylinder, reduce float coal amount.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
A kind of four flittings that adopt twin-roll cutting units, comprise right tractive unit that right cutting units that structure is identical and left cutting units, structure are identical and left tractive unit, right running part and left running part and middle control cabinet that structure is identical, described right running part and left running gear are not fixedly mounted on the side of right tractive unit and left tractive unit, the both sides of control cabinet in the middle of described right tractive unit and left tractive unit are docked at respectively, described right cutting units is hinged on right tractive unit by bearing pin A, and described left cutting units is hinged on left tractive unit by bearing pin B; Described each cutting units includes two cutting drums, remembers that respectively two cutting drums are dextrorotation cutting drum and left-handed cutting drum, and the direction of rotation of described dextrorotation cutting drum and left-handed cutting drum is contrary.
This case is on the basis of existing double-ended shearer, increased a cutting drum to each cutting units, adopted a kind of twin-roll cutting units, total appearance coal rate of this cutting units has increased nearly one times, the efficiency that can greatly improve cutting units coal cutting and coaling; The switched in opposite of two cutting drums, can effectively prevent the radially impelling of coal cinder, is more conducive to coalingging of cutting drum.The diameter of two cutting drums and rotating speed can be determined according to actual operating mode, and the diameter of two cutting drums and rotating speed can be unequal; If design the equal diameters of two cutting drums, rotary speed direction is contrary, equal and opposite in direction, more can effectively prevent the radially impelling of coal cinder, plays the effect of gear coal and combined reinforced defeated coal.
Preferably, described cutting units also comprises cutting units housing, cutting motor, clutch and gear train assembly, described cutting motor is fixedly mounted on cutting units housing and by clutch and is connected with gear train assembly, described gear train assembly adopts shunting structure that the power of cutting motor output is divided into two-way, one tunnel exports dextrorotation cutting drum to, and another road exports left-handed cutting drum to.
Concrete, described gear train assembly comprises a section axle, a lazy axle, section two axles, cuts three axles, section four axles, lazy two axles, section five axles, planetary mechanism one and planetary mechanism two, the power of described cutting motor output is passed to and cuts four axles through a section axle, a lazy axle, section two axles and section three axles successively by clutch, is split into two-way: a road is passed to dextrorotation cutting drum through lazy two axles, section five axles and planetary mechanism one successively from cutting four axles; Another road is passed to left-handed cutting drum through cutting three axles, section two axles and planetary mechanism two successively.
Described gear train assembly adopts oil lubrication, and gear oil adds in cutting units by oil filler, by fuel outlet, emits cutting units, completes the object of changing gear oil; Inject gear oil in cutting units before, or with plug screw, block fuel outlet after discharging gear oil, prevent leakage of oil, noted after gear oil oil filler is also stifled tight with plug screw.
Preferably, described cutting units also comprises internal spraying system and the external spraying system for the depositing dust of putting out a fire;
The number of described internal spraying system is two groups, remember that respectively two groups of internal spraying systems are dextrorotation internal spraying system and left-handed internal spraying system, described dextrorotation internal spraying system comprises inner sprayer unit one and nozzle, and described left-handed internal spraying system comprises inner sprayer unit two and nozzle; Wherein nozzle is installed on corresponding cutting drum, and inner sprayer unit is all in the planetary mechanism of corresponding cutting drum; The water inlet of described internal spraying system (the outer pipeline of machine), after shunt valve is divided into two-way, is communicated with inner sprayer unit one and inner sprayer unit two respectively;
Described external spraying system comprises external spraying system water channel and nozzle, described external spraying system water channel is arranged in the wall of cutting units housing and (in cutting units housing outer surface, offers tank, with forming water channel after Plate Welding), described nozzle is arranged on cutting units housing.
Adopted two groups of internal spraying systems, the water yield is many, spraying area is large, and current are through inner sprayer unit one and inner sprayer unit two, the part heat of cutting units inside can be taken away, and play the effect of cooling; Can by external spraying system water channel area coverage arrange greatly as far as possible, further to improve the effect of cooling.
Preferably, described gear train assembly is connected with cutting drum by square coupling head, guarantees to connect effect.
Preferably, also comprise two identical right adjust high cylinders of structure and left adjust high cylinder, one end of described right adjust high cylinder and right tractive unit are hinged, the other end and right cutting units hinged, right cutting units rotates around bearing pin A under the driving of right adjust high cylinder, thereby regulates the mining height scope of right cutting units; Described left adjust high cylinder one end and left tractive unit are hinged, the other end and left cutting units hinged, left cutting units rotates around bearing pin B under the driving of left adjust high cylinder, thereby regulates the mining height scope of left cutting units.By the adjusting to two adjust high cylinders in left and right, can adjust the mining height scope of a coal-winning machine.Heighten pumping plant and provide power for two adjust high cylinders, described in heighten pumping plant and be connected with two adjust high cylinders by electromagnetic valve group, respectively two adjust high cylinders are regulated, described in heighten pumping plant can be arranged in the middle of in the casing of control cabinet.
Preferably, be provided with separately one group of hydraulic brake system on described right tractive unit and left tractive unit, when power-off, hydraulic brake system is braked coal-winning machine; Prevent that coal-winning machine from moving and hurting sb.'s feelings when power-off, is especially more than or equal in 15 ° in seam inclination.
Beneficial effect: four flittings of employing twin-roll cutting units provided by the invention, on each cutting units, be provided with two cylinders, total appearance coal rate is increased; The switched in opposite of two cutting drums, can effectively prevent the radially impelling of coal cinder, is more conducive to coaling; Greatly improve coal cutting and loading efficiency, improved pick utilization rate, extended machine life; On the pin rail of the road wheel of running part on conveyer, move back and forth, thereby drive the reciprocal coal cutting of coal-winning machine, complete machine operates steadily, fill and do not have effective, failure rate is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing double-ended shearer;
Fig. 2 is the structural representation of existing cutting units;
Fig. 3 is main TV structure schematic diagram of the present invention;
Fig. 4 is plan structure schematic diagram of the present invention;
Fig. 5 is backsight structural representation of the present invention;
Fig. 6 is coal-winning machine of the present invention and the supporting middle part of drag conveyor sectional schematic diagram;
Fig. 7 is the main TV structure schematic diagram of twin-roll cutting units of the present invention;
Fig. 8 is the sectional view of A-A in Fig. 7;
Fig. 9 is the plan structure schematic diagram of twin-roll cutting units of the present invention;
Figure 10 is the backsight structural representation of twin-roll cutting units of the present invention.
In figure: 1, right cutting units, 2, left cutting units, 3, left adjust high cylinder, 5, right running part, 6, right tractive unit, 7, drag conveyor, 8, middle control cabinet, 9, left tractive unit, 10, right adjust high cylinder, 11, left running part, 14, hydraulic means, 15, heighten pumping plant, 16, cable handler, 17, support piston shoes, 18, guide slip shoe, 19, channel for scraper transporter, 20, drag conveyor pin rail;
A1, cutting units housing, a2, cutting motor, a3, gear train assembly, a4, clutch, a5, internal spraying system, a6, cutting drum, a7, right cutting units, a8, left cutting units, a9, right tractive unit, a10, left tractive unit, a11, right running part, a12, left running part, a13, middle control cabinet;
B1, cutting units housing, b2, cutting motor, b3, a section axle, b4, a lazy axle, b5, section two axles, b6, section three axles, b7, section four axles, b8, lazy two axles, b9, section five axles, b10, planetary mechanism one, b11, inner sprayer unit one, b12, dextrorotation cutting drum, b13, left-handed cutting drum, b14, planetary mechanism two, b15, inner sprayer unit two, b16, gear train assembly, b17, clutch, b18, nozzle, b19, plug screw, b20, external spraying system, b21, internal spraying system, b22, shunt valve.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As Fig. 3～6 are depicted as a kind of four flittings that adopt twin-roll cutting units, comprise right running part 5 that right tractive unit 6 that right cutting units 1 that structure is identical and left cutting units 2, structure are identical and left tractive unit 9, structure are identical and left running part 11, two the identical right adjust high cylinders 10 of structure and left adjust high cylinder 3, middle control cabinet 8, hydraulic means 14, heighten pumping plant 15 and cable handler 16; In the middle of described, on the vertical front of control cabinet 8, be fixed with manual platform, on manual platform, be provided with electrical appliance button and isolating switch handle.
Described hydraulic means 14 and heighten pumping plant 15 be arranged on respectively in the middle of in the casing of control cabinet 8, hydraulic means 14 mainly needs cooling main parts size and inside and outside spraying system supplies water and controls to coal-winning machine.
The both sides of control cabinet 8 in the middle of described right tractive unit 6 and left tractive unit 9 are docked at respectively, and by thread, right tractive unit 6, left tractive unit 9 and middle control cabinet 8 are connected to integral body, described right cutting units 1 is hinged on right tractive unit 6 by bearing pin A, described left cutting units 2 is hinged on left tractive unit 9 by bearing pin B, described right running part 5 is fixed on by connecting screw rod on the side of right tractive unit 6, and described left running part 11 is fixed on the side of left tractive unit 9 by connecting screw rod; One end of described right adjust high cylinder 10 and right tractive unit 6 are hinged, the other end and right cutting units 1 hinged, right cutting units 1 rotates around bearing pin A under the driving of right adjust high cylinder 10, thereby regulates the mining height scope of right cutting units 1; Described left adjust high cylinder 3 one end and left tractive unit 9 are hinged, the other end and left cutting units 2 hinged, left cutting units 2 rotates around bearing pin B under the driving of left adjust high cylinder 3, thereby regulates the mining height scope of left cutting units 2.
On described right tractive unit 6 and left tractive unit 9, be provided with separately one group of hydraulic brake system, when power-off, hydraulic brake system is braked coal-winning machine.The all hydraulic valve control member of whole coal-winning machine is all arranged on hydraulic means 14, conveniently controls.
Described cable handler 16 is fixed on middle control cabinet 8, for fixing and drag leader cable and water pipe.
As Fig. 7～10 are depicted as the twin-roll cutting units structure that this case is used, comprise a cutting units housing b1, cutting motor b2, clutch b17, gear train assembly b16, internal spraying system b21, external spraying system b20 and cutting drum, described cutting motor b2 is arranged on cutting units housing b1, and cutting motor b2 is connected with gear train assembly b16 by clutch b17, after slowing down, gear train assembly b16 exports the power of cutting motor b2 output to cutting drum, described gear train assembly b16 is connected with cutting drum by square coupling head, described internal spraying system b21 and external spraying system b20 are used for the depositing dust of putting out a fire, the number of described cutting drum is two, remember that respectively two cutting drums are dextrorotation cutting drum b12 and left-handed cutting drum b13, described gear train assembly b16 adopts shunting structure that the power of cutting motor b2 output is divided into two-way, one tunnel exports dextrorotation cutting drum b12 to, and another road exports left-handed cutting drum b13 to, the direction of rotation of described dextrorotation cutting drum b12 and left-handed cutting drum b13 is contrary.
Described gear train assembly b16 comprises section an axle b3, a lazy axle b4, cuts two axle b5, cuts three axle b6, cuts four axle b7, lazy two axle b8, cuts five axle b9, planetary mechanism one b10 and planetary mechanism two b14, the power of described cutting motor b2 output is passed to and cuts four axle b7 through section an axle b3, a lazy axle b4, section two axle b5 and section three axle b6 successively by clutch b17, is split into two-way: a road is passed to dextrorotation cutting drum b12 through lazy two axle b8, section five axle b9 and planetary mechanism one b10 successively from cutting four axle b7; Another road is passed to left-handed cutting drum b13 through cutting three axle b6, section two axle b5 and planetary mechanism two b14 successively.
Described gear train assembly b16 adopts oil lubrication, and gear oil adds in cutting units by oil filler, by fuel outlet, emits cutting units, completes the object of changing gear oil; Inject gear oil in cutting units before, or with plug screw b19, block fuel outlet after discharging gear oil, prevent leakage of oil, noted after gear oil oil filler is also stifled tight with plug screw b19.
The number of described internal spraying system b21 is two groups, remember that respectively two groups of internal spraying system b21 are dextrorotation internal spraying system and left-handed internal spraying system, described dextrorotation internal spraying system comprises inner sprayer unit one b11 and nozzle b18, and described left-handed internal spraying system comprises inner sprayer unit two b15 and nozzle b18; Wherein dextrorotation internal spraying system is arranged in dextrorotation cutting drum b12, and left-handed internal spraying system is arranged in left-handed cutting drum b13; Described nozzle b18 is arranged on respectively on corresponding cutting drum; The water inlet of described internal spraying system b21 is divided into after two-way through shunt valve b22, is communicated with respectively with inner sprayer unit one b11 and inner sprayer unit two b15.
Described external spraying system b20 comprises external spraying system water channel and nozzle b18, and described external spraying system water channel is arranged in the wall of cutting units housing b1, and described nozzle b18 is arranged on cutting units housing b1.
During use, support piston shoes 17 are arranged on respectively on right tractive unit 6 and left tractive unit 9, the two ends of control cabinet 8 in the middle of right tractive unit 6 and left tractive unit 9 are docked at respectively, and by thread, its three is fastening in aggregates, guide slip shoe 18 is arranged on respectively on right running part 5 and left running part 11, right running part 5 and left running part 11 are fixed on respectively to the side of right tractive unit 6 and left tractive unit 9, right cutting units 1 is arranged on right tractive unit 6, and the two ends of right adjust high cylinder 10 are hinged with right cutting units 1 and right tractive unit 6 respectively, left cutting units 2 is arranged on left tractive unit 9, and the two ends of left adjust high cylinder 3 are hinged with left cutting units 2 and left tractive unit 9 respectively, cable handler 16 is arranged on middle control cabinet 8, the complete machine assembling is placed on drag conveyor 7, the support piston shoes 17 of fuselage one side and channel for scraper transporter 19 overlap joints, the guide slip shoe 18 of fuselage opposite side coordinates with drag conveyor pin rail 20, coal-winning machine complete machine is played to the effect of supporting and leading, leader cable is connected with corresponding interface on coal-winning machine with water pipe, and be fixed on cable handler 16.
Before start, coal-winning machine is supplied water, by 14 pairs of coal-winning machine main parts size of hydraulic means, supply water as it cools, and internally external spraying water supply is used for the depositing dust of putting out a fire.Coal-winning machine is powered and opened coal-winning machine, start cutting motor b2, cutting motor b2 is connected with gear train assembly b16 by clutch b17, after gear train assembly b16 reduction of speed, being delivered to dextrorotation cutting drum b12 and left-handed cutting drum b13 goes up for coal breakage and coalings, by regulating right adjust high cylinder 10 and left adjust high cylinder 3 respectively the mining height scope of right cutting units 1 and left cutting units 2 to be regulated, thus the exploitation work of adaptation work plane.When coal-winning machine is not worked, clutch b17 is placed in to disengaging engagement, convenient maintenance and plant maintenance, protection staff's safety; The water channel of external spraying system b20 all designs in the wall of cutting units housing b1, the water channel of water on cutting units housing b1 is directly used for from nozzle b18 ejection the depositing dust of putting out a fire, safe and reliable, difficult leakage, and the contact area of water channel and cutting units housing b1 is large, the good cooling results to cutting units; In internal spraying system b21, water is divided into two-way after machine outer water pipe distributes by shunt valve b22, one tunnel enters the water channel on dextrorotation cutting drum b12 through inner sprayer unit one b11, by dextrorotation cutting drum b12 top nozzle 18, spray the dedusting of putting out a fire, another road enters the water channel on left-handed cutting drum b13 through inner sprayer unit two b15, by the nozzle b18 on left-handed cutting drum b13, sprays the dedusting of putting out a fire; Water channel on the water channel of water on cutting units housing b1, inner sprayer unit one b11, inner sprayer unit b15, dextrorotation cutting drum b12 and the water channel on left-handed cutting drum b13 are taken away heat on cutting units, thereby arrive the object cooling.Open the tractive unit motor of coal-winning machine, start coal-winning machine and make it on drag conveyor 7, along the pin rail 20 of drag conveyor, back and forth walk and complete coal breakage and the work of coalingging.
Existing double-ended shearer is to adopt overall height with two cutting drums, four flittings of this case are to adopt overall height with four cutting drums, when apolegamy cutting drum diameter, can choose the smaller condition of diameter as far as possible, break through selection cut and rolled diameter and must be greater than the limit of adopting overall height 1/2nd, thereby reduced cutting resistance.Coal-winning machine is when coal cutting, and the switched in opposite of two cutting drums, can effectively prevent the radially impelling of coal cinder, is more conducive to coaling, and has greatly improved coal cutting and loading efficiency, has improved pick utilization rate, has extended machine life.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. four flittings that adopt twin-roll cutting units, comprise right cutting units (1) and left cutting units (2) that structure is identical, the right tractive unit (6) that structure is identical and left tractive unit (9), the right running part (5) that structure is identical and left running part (11), and middle control cabinet (8), described right running part (5) and left running part (11) are fixedly mounted on respectively the side of right tractive unit (6) and left tractive unit (9), the both sides of control cabinet (8) in the middle of described right tractive unit (6) and left tractive unit (9) are docked at respectively, described right cutting units (1) is hinged on right tractive unit (6) by bearing pin A, described left cutting units (2) is hinged on left tractive unit (9) by bearing pin B, it is characterized in that: described each cutting units includes two cutting drums, remember that respectively two cutting drums are dextrorotation cutting drum (b12) and left-handed cutting drum (b13), the direction of rotation of described dextrorotation cutting drum (b12) and left-handed cutting drum (b13) is contrary.
2. four flittings of employing twin-roll cutting units according to claim 1, it is characterized in that: described cutting units also comprises cutting units housing (b1), cutting motor (b2), clutch (b17) and gear train assembly (b16), described cutting motor (b2) is fixedly mounted on cutting units housing (b1), and be connected with gear train assembly (b16) by clutch (b17), described gear train assembly (b16) adopts shunting structure that the power of cutting motor (b2) output is divided into two-way, one tunnel exports dextrorotation cutting drum (b12) to, another road exports left-handed cutting drum (b13) to.
3. four flittings of employing twin-roll cutting units according to claim 2, it is characterized in that: described gear train assembly (b16) comprises a section axle (b3), a lazy axle (b4), cut two axles (b5), cut three axles (b6), cut four axles (b7), lazy two axles (b8), cut five axles (b9), planetary mechanism one (b10) and planetary mechanism two (b14), the power of described cutting motor (2) output cuts an axle (b3) by clutch (b17) successively warp, a lazy axle (b4), cut two axles (b5) and cut three axles (b6) and be passed to section four axles (b7), from cutting four axles (b7), be split into two-way: a road is successively through lazy two axles (b8), cut five axles (b9) and planetary mechanism one (b10) and be passed to dextrorotation cutting drum (b12), another road is passed to left-handed cutting drum (b13) through cutting three axles (b6), section two axles (b5) and planetary mechanism two (b14) successively.
4. four flittings of employing twin-roll cutting units according to claim 2, is characterized in that: described cutting units also comprises for the internal spraying system of the depositing dust of putting out a fire (b21) and external spraying system (b20);
The number of described internal spraying system (b21) is two groups, remember that respectively two groups of internal spraying systems (b21) are dextrorotation internal spraying system and left-handed internal spraying system, described dextrorotation internal spraying system comprises inner sprayer unit one (b11) and nozzle (b18), and described left-handed internal spraying system comprises inner sprayer unit two (b15) and nozzle (b18); Wherein dextrorotation internal spraying system is arranged in dextrorotation cutting drum (b12), nozzle (b18) is arranged on the blade of dextrorotation cutting drum (b12), left-handed internal spraying system is arranged in left-handed cutting drum (b13), and nozzle (b18) is arranged on the blade of left-handed cutting drum (b13); The water inlet of described internal spraying system (b21) is divided into after two-way through shunt valve (b22), is communicated with respectively with inner sprayer unit one (b11) and inner sprayer unit two (b15);
Described external spraying system (b20) comprises external spraying system water channel and nozzle (b18), and described external spraying system water channel is arranged in the wall of cutting units housing (b1), and described nozzle (b18) is arranged on cutting units housing (b1).
5. four flittings of employing twin-roll cutting units according to claim 1, it is characterized in that: also comprise two identical right adjust high cylinders of structure (10) and left adjust high cylinder (3), one end of described right adjust high cylinder (10) and right tractive unit (6) are hinged, the other end and right cutting units (1) hinged, right cutting units (1) rotates around bearing pin A under the driving of right adjust high cylinder (10); Described left adjust high cylinder (3) one end and left tractive unit (9) are hinged, the other end and left cutting units (2) hinged, left cutting units (2) rotates around bearing pin B under the driving of left adjust high cylinder (3).
6. four flittings of employing twin-roll cutting units according to claim 1, it is characterized in that: on described right tractive unit (6) and left tractive unit (9), be provided with separately one group of hydraulic brake system, when power-off, hydraulic brake system is braked coal-winning machine.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601470.9A CN103590829B (en) | 2013-11-25 | 2013-11-25 | A kind of four flittings adopting twin-roll cutting units |
| PCT/CN2013/090193 WO2015074311A1 (en) | 2013-11-25 | 2013-12-23 | Four-drum shearer using dual-drum cutting parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310601470.9A CN103590829B (en) | 2013-11-25 | 2013-11-25 | A kind of four flittings adopting twin-roll cutting units |
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| Publication Number | Publication Date |
|---|---|
| CN103590829A true CN103590829A (en) | 2014-02-19 |
| CN103590829B CN103590829B (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310601470.9A Active CN103590829B (en) | 2013-11-25 | 2013-11-25 | A kind of four flittings adopting twin-roll cutting units |
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| CN (1) | CN103590829B (en) |
| WO (1) | WO2015074311A1 (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481530A (en) * | 2014-11-11 | 2015-04-01 | 三一重型装备有限公司 | Coal cutter and tractor thereof |
| CN104564076A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Caterpillar band walking type double-barrel coal cutter for strip mine |
| CN104594892A (en) * | 2014-12-30 | 2015-05-06 | 江苏中机矿山设备有限公司 | Bottom cleaning drum shearer for thin coal seams |
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| CN104695953A (en) * | 2015-02-15 | 2015-06-10 | 山东科技大学 | Coal cutter realizing automatic height adjustment of barrel and working method of coal cutter |
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| CN108894780A (en) * | 2018-09-17 | 2018-11-27 | 江苏中机矿山设备有限公司 | A kind of girdle brill plane cutter-loader |
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| CN110173262A (en) * | 2019-06-27 | 2019-08-27 | 天地科技股份有限公司上海分公司 | Cutting units dust suppression structure |
| CN111206928A (en) * | 2020-02-21 | 2020-05-29 | 黄树清 | Four-roller coal mining machine for one-time mining and full-height mining by layered cutting mining |
| CN111608655A (en) * | 2020-05-22 | 2020-09-01 | 张世利 | Hydraulic drive thin coal seam coal mining machine |
| CN114733106A (en) * | 2022-04-02 | 2022-07-12 | 山西潞安环保能源开发股份有限公司 | Automatic foam injection system and method for preventing and controlling cutting sparks of coal mining machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481530A (en) * | 2014-11-11 | 2015-04-01 | 三一重型装备有限公司 | Coal cutter and tractor thereof |
| CN104564076A (en) * | 2014-12-13 | 2015-04-29 | 中国煤炭科工集团太原研究院有限公司 | Caterpillar band walking type double-barrel coal cutter for strip mine |
| CN104564076B (en) * | 2014-12-13 | 2017-05-03 | 中国煤炭科工集团太原研究院有限公司 | Caterpillar band walking type double-barrel coal cutter for strip mine |
| CN104594893B (en) * | 2014-12-30 | 2018-02-16 | 江苏中机矿山设备有限公司 | A kind of clear bottom formula flitting cutting units of girdle |
| CN104594892A (en) * | 2014-12-30 | 2015-05-06 | 江苏中机矿山设备有限公司 | Bottom cleaning drum shearer for thin coal seams |
| CN104594895A (en) * | 2014-12-30 | 2015-05-06 | 江苏中机矿山设备有限公司 | Cutting parts of bottom-clearing drum shearer |
| CN104594894A (en) * | 2014-12-30 | 2015-05-06 | 江苏中机矿山设备有限公司 | Bottom-clearing drum shearer |
| CN104594893A (en) * | 2014-12-30 | 2015-05-06 | 江苏中机矿山设备有限公司 | Cutting part of bottom cleaning drum shearer for thin coal seams |
| CN104594894B (en) * | 2014-12-30 | 2018-04-10 | 江苏中机矿山设备有限公司 | A kind of clear bottom formula flitting |
| CN104594892B (en) * | 2014-12-30 | 2018-02-16 | 江苏中机矿山设备有限公司 | A kind of clear bottom formula flitting of girdle |
| CN104695953A (en) * | 2015-02-15 | 2015-06-10 | 山东科技大学 | Coal cutter realizing automatic height adjustment of barrel and working method of coal cutter |
| CN105092119B (en) * | 2015-04-29 | 2017-08-25 | 辽宁工程技术大学 | Simulate underground rib internal stress test system |
| CN105092119A (en) * | 2015-04-29 | 2015-11-25 | 辽宁工程技术大学 | Simulated downhole coal wall internal stress testing system |
| CN106168130A (en) * | 2016-08-30 | 2016-11-30 | 天地上海采掘装备科技有限公司 | A kind of flitting with four rocker structures |
| CN107882558A (en) * | 2017-12-19 | 2018-04-06 | 江苏鸡煤机械制造有限公司 | A kind of reinforced coal-winning machine efficiently braked |
| CN108612527A (en) * | 2018-04-13 | 2018-10-02 | 山东里能鲁西矿业有限公司 | A kind of low seam mining machinery |
| CN108894780A (en) * | 2018-09-17 | 2018-11-27 | 江苏中机矿山设备有限公司 | A kind of girdle brill plane cutter-loader |
| CN109441442A (en) * | 2018-11-29 | 2019-03-08 | 安徽省皖北煤电集团有限责任公司 | A kind of high efficiency flitting |
| CN109441442B (en) * | 2018-11-29 | 2024-04-05 | 安徽省皖北煤电集团有限责任公司 | High-efficiency roller coal mining machine |
| CN110173262A (en) * | 2019-06-27 | 2019-08-27 | 天地科技股份有限公司上海分公司 | Cutting units dust suppression structure |
| CN111206928A (en) * | 2020-02-21 | 2020-05-29 | 黄树清 | Four-roller coal mining machine for one-time mining and full-height mining by layered cutting mining |
| CN111608655A (en) * | 2020-05-22 | 2020-09-01 | 张世利 | Hydraulic drive thin coal seam coal mining machine |
| CN114733106A (en) * | 2022-04-02 | 2022-07-12 | 山西潞安环保能源开发股份有限公司 | Automatic foam injection system and method for preventing and controlling cutting sparks of coal mining machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103590829B (en) | 2015-12-23 |
| WO2015074311A1 (en) | 2015-05-28 |
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Application publication date: 20140219 Assignee: Shanghai Lingang Financial Leasing Co.,Ltd. Assignor: Guoke Zhongmai (Xuzhou) Energy Technology Co.,Ltd. Contract record no.: X2022980015643 Denomination of invention: A four-drum shearer with double drum cutting section Granted publication date: 20151223 License type: Exclusive License Record date: 20220919 |
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