CN110410072A - High working face list roller short-wall coal-winning machine and its coal winning technology - Google Patents
High working face list roller short-wall coal-winning machine and its coal winning technology Download PDFInfo
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- CN110410072A CN110410072A CN201910751085.XA CN201910751085A CN110410072A CN 110410072 A CN110410072 A CN 110410072A CN 201910751085 A CN201910751085 A CN 201910751085A CN 110410072 A CN110410072 A CN 110410072A
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- 239000003245 coal Substances 0.000 title claims abstract description 56
- 238000005516 engineering process Methods 0.000 title claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 80
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000005065 mining Methods 0.000 claims abstract description 24
- 239000002828 fuel tank Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
-
- 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
- E21C31/08—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for adjusting parts of the machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/04—Safety devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/24—Remote control specially adapted for machines for slitting or completely freeing the mineral
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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)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The present invention relates to a kind of high working face list roller short-wall coal-winning machine and its coal winning technologies, the fuselage of the coalcutter is rectangular box structure, the big portion of double traction walking mechanisms is arranged in the cabinet of fuselage, cutting means is arranged in the top of fuselage, cutting means includes cutting drum, the big rocker arm of level-one, second level small rocker and pushes oil cylinder, the big rocker arm of level-one and second level small rocker are from that can pinpoint swings, and the two combines the different height of the available cutting means of adjustment simultaneously, to adapt to high working face requirement；The coal winning technology is to make coalcutter walking coal cutting simultaneously back and forth between the head and tail of conveyer, cutting drum is adjusted to different height before walking every time, the superimposed coal seam overall height that can cover coal wall in cutting drum occupied region in the height direction after each adjustment so that it is round-trip repeatedly after can adopt complete height.The present invention is able to satisfy the fully mechanized mining needs of the special thick shortwall coal seam full-seam mining of 5m or more.
Description
Technical field
The present invention relates to a kind of coalcutter suitable for super high seam shortwall fully-mechanized mining working and utilize coalcutter reality
The multiple-pin coal winning technology applied belongs to coal excavation apparatus and technology field.
Background technique
Single roller short-wall coal-winning machine is a kind of common coal mining equipment of shortwall.Single roller shortwall of existing structure is adopted
Coal machine is limited by overall structure, usual mining height in 3m or so, highest can mining height degree be typically not greater than 4m.Smaller mining height causes entirely
Exploiting field stops production, and the removal of home stopping surface time is long, and preparation is long in time limit, seriously affects the exploitation of mine high-yield and high-efficiency.5m is adopted entirely with the last time
High spy's thick shortwall coal seam, the coalcutter equipment of high efficient and reliable is still a blank.
Summary of the invention
The object of the present invention is to provide a kind of high working face list roller short-wall coal-winning machine and its coal winning technology, with meet 5m and with
The fully mechanized mining of upper special thick shortwall coal seam full-seam mining needs.
Main technical schemes of the invention have:
A kind of high working face list roller short-wall coal-winning machine, including fuselage, cutting means and double traction walking mechanisms, the fuselage
Big portion for rectangular box structure, double traction walking mechanisms is arranged in the cabinet of the fuselage, the cutting means
It is arranged in the top of the fuselage, the cutting means includes cutting drum, the big rocker arm of level-one, second level small rocker and pushes oil
Cylinder, one end of the shell of the big rocker arm of level-one and described one end for pushing oil cylinder are respectively hinged with the fuselage, the level-one
The middle part of the shell of big rocker arm and the other end for pushing oil cylinder are hinged, be equipped in the shell of the big rocker arm of level-one motor and
Revolving sleeve, the revolving sleeve rotate in the inner hole for the shell for being connected to the big rocker arm of level-one, and its axis anterior-posterior horizontal is arranged, described
Motor directly or indirectly drives the shell of the big rocker arm of revolving sleeve versus primary to do fixed-axis rotation, the nearly coal wall of the revolving sleeve
Side one end is fixedly connected with the shell of second level small rocker, and the cutting drum is mounted on the coal wall side of the shell of second level small rocker.
The main element dispersion of the height-regulating hydraulic system and electric control system of the high working face list roller short-wall coal-winning machine
Formula is arranged in the cabinet of the fuselage and the top of fuselage.
The height-regulating hydraulic system includes pump motor component, main fuel tank and auxiliary fuel tank, the pump motor component, main fuel tank cloth
The box house in the fuselage is set, the auxiliary fuel tank is arranged in top and the hinged hinged ear of the big rocker arm of level-one of the fuselage
In seat.
It is connected between the main fuel tank and auxiliary fuel tank by the thin different sebific duct of two root thickness, thicker sebific duct is oil pipe,
It is arranged in the nearly coal wall side of the fuselage, the thinner sebific duct is snorkel, is arranged in the closely mined out side in top of the fuselage.
The electric control system includes airborne electric cabinet and airborne frequency converter box, and airborne electric cabinet is arranged in double traction rows
It walks among mechanism, airborne frequency converter box is arranged in the top of fuselage far from the one of the hinged hinged ear mount of fuselage and the big rocker arm of level-one
End, airborne electric cabinet and airborne frequency converter box are connected by connecting cable.
Double traction walking mechanisms are preferably symmetrically arranged centered on the axis of the revolving sleeve.
The high working face list roller short-wall coal-winning machine further preferably includes auxiliary Dang Mei mechanism, is mounted on the top surface of the fuselage
On, between the fuselage and the big rocker arm of level-one, the auxiliary Dang Mei mechanism is stretching structure, and top follows the level-one
Big radial up-down.
A kind of coal winning technology of high working face list roller short-wall coal-winning machine is short using any one of the above high working face list roller
The cutting drum of coalcutter is first adjusted to highest point by wall coalcutter, head or tail feed from conveyer, to tail or head
It walks and cuts top knife, cutting drum is dropped to the height of next cutting drum diameter after cutting, from tail or head feed, to machine
Head or tail walk and cut middle knife, fall cutting drum to bottom plate after cutting, from head or tail feed, to tail or machine
Head walks and cuts bed plate until cutting.
The beneficial effects of the present invention are:
High working face list roller short-wall coal-winning machine of the invention is dashed forward using the integral arrangement mode of the double-deck fuselage, two-step rocker arm
The limitation for having broken original single roller short-wall coal-winning machine structure, can increase substantially the mining height of single roller short-wall coal-winning machine, therefore
To realize that the exploitation of super high seam shortwall high-yield and high-efficiency is laid a good foundation.
High working face list roller short-wall coal-winning machine of the invention not only especially suitable for super high seam fully mechanized mining shortwall,
It can be used for super high seam overlength working face head tail aiding start nest.
High working face list roller short-wall coal-winning machine fuselage of the invention is short, and compact-sized, mining height is big, adaptable, can meet
The special thick shortwall fully mechanized mining of 5m or more needs, and effectively solves the problems, such as super high seam shortwall fully mechanized mining high-efficiency mining.
It is architectural limitation and is based on stability consideration, high working face list roller short-wall coal-winning machine of the invention should not generally be installed
Major diameter roller.Using, using multiple-pin coal winning technology of the invention, can be realized single minor diameter roller when this kind of coalcutter
Super high seam exploitation.When coal seam is relatively thin, the exploitation of two blade be can be completed.It can be seen that multiple-pin coal winning technology energy of the invention
Play the advantage of the high working face list roller short-wall coal-winning machine more fully.
Detailed description of the invention
Fig. 1 is the overall structure diagram of one embodiment of the high working face list roller short-wall coal-winning machine of the invention；
Fig. 2 is the structural schematic diagram of the cutting means；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the assembly relation schematic diagram of the correlated parts such as motor, rotary reducer component；
Fig. 5 is the assembly relation schematic diagram of the correlated parts such as revolving sleeve；
Schematic diagram when Fig. 6 is high working face list roller Shortwall mining machine cut top knife-like state of the invention；
Schematic diagram when Fig. 7 is knife-like state in high working face list roller Shortwall mining machine cut of the invention；
Schematic diagram when Fig. 8 is high working face list roller Shortwall mining machine cut bed plate state of the invention.
Detailed description of the invention:
1. fuselage；2. cutting means；21. the big rocker arm of level-one；211. motor；212. revolving sleeve；213. bearing；214. revolution
Reducer assemblies；215. brake；216. final-stage gear；217. swiveling gear；218. transmission shaft；22. second level small rocker；23.
Push oil cylinder；24. cutting drum；3. pair traction walking mechanism；4. assisting Dang Mei mechanism；5. electric control system；6. liquid is turned up
Pressure system.
Specific embodiment
The invention discloses a kind of high working face list roller short-wall coal-winning machines, as shown in Figure 1, including fuselage 1, cutting means 2
With double traction walking mechanisms 3, the fuselage is rectangular box structure short and wide, big portion's cloth of double traction walking mechanisms
It sets in the cabinet of the fuselage, the cutting means is arranged in the top of the fuselage.The cutting means is shaken using two-stage
The composite structure of arm, as shown in Figure 2,3, including the big rocker arm 21 of cutting drum 24, level-one, second level small rocker 22 and promotion oil cylinder
23.One end of the shell of the big rocker arm of level-one and described one end for pushing oil cylinder are respectively hinged with the fuselage, the level-one
The middle part of the shell of big rocker arm and the other end for pushing oil cylinder are hinged, and the promotion oil cylinder is flexible can to drive the big rocker arm of level-one
It is swung in small angle range in perpendicular, the design value of swing angle is no less than 30 °.As shown in Figure 4,5, the level-one is big
Motor 211 and revolving sleeve 212, described revolving sleeve rotation connection (such as supporting by bearing 213) In are equipped in the shell of rocker arm
In the inner hole of the shell of the big rocker arm of level-one, and its axis anterior-posterior horizontal is arranged, the motor directly or indirectly drives the revolution
The shell of the set big rocker arm of versus primary does fixed-axis rotation.It is big that nearly coal wall side one end (i.e. front end) of the revolving sleeve is overhung at level-one
The outside of the shell of rocker arm, and be fixedly connected by screw and pin with the shell of second level small rocker, therefore the shell of second level small rocker
Body can follow revolving sleeve to do and rotate clockwise and anticlockwise.The cutting drum 24 is mounted on the coal wall of the shell of second level small rocker
Side.
The design value of the twocouese slewing area of the second level small rocker should all be no less than 360 °, so that cutting drum can be with
Reach on very high and very low position, coal mining height can not only be improved, moreover it is possible to take into account cutting for the lower Triangle Coal that coalcutter is located end to end
Saturating problem.
When pushing cylinder piston rod all to stretch out, the big rocker arm of level-one rises to maximum height, shakes in this case when second level is small
When arm swings in 90 ° with horizontal plane upward, cutting drum rises to maximum height.When all withdrawals of promotion cylinder piston rod, level-one
Big rocker arm minimizes height, and in this case when second level small rocker is in 90 ° towards lower swing and horizontal plane, cutting drum is down to
Minimum altitude.
The combination adjustment of the swing position of the big rocker arm of the level-one and second level small rocker is equal to adjust the cutting dress
The height set not only can satisfy bigger mining height, but also the planted agent of Triangle Coal requires under having taken into account at head tail.Of the invention adopts greatly
The maximum of high list roller short-wall coal-winning machine can mining height degree up to 5200mm, maximum planted agent's amount is 550mm.
The big rocker arm of level-one is preferably placed at the surface of fuselage.
In the present embodiment, the motor 211 successively drives final-stage gear 216 to rotate by rotary reducer component 214, by
In 217 external toothing of swiveling gear fixed on final-stage gear 216 and revolving sleeve, therefore revolving sleeve also does synchronous rotary.Motor is logical
Enter high pressure oil, the brake 215 between motor and reducer assemblies declutches, and rotary reducer component starts to rotate, and passes through end
Grade gear, swiveling gear drive revolving sleeve rotation, since revolving sleeve and second level small rocker are integrally fixed, so second level small rocker
Also with revolving sleeve synchronous hunting.After rotateing in place, brake closes a floodgate, and revolving sleeve braking stops.
Cutting motor and big rocking-arm driving mechanism, rotation in the revolving sleeve are additionally provided in the shell of the big rocker arm of level-one
Connect a transmission shaft 218, the input terminal of the coaxially connected big rocking-arm driving mechanism of the output shaft of the cutting motor, big rocking-arm driving
Nearly mined out side one end of the coaxially connected transmission shaft 218 of the output end of mechanism.
Small rocker transmission mechanism and planetary mechanism are equipped in shell on the second level small rocker, the transmission shaft 218
The input terminal of the coaxially connected small rocker transmission mechanism in nearly coal wall side one end, the output end of the small rocker transmission mechanism are coaxial
The planetary mechanism is connected, the cutting drum 24, which is coaxially arranged, to be mounted on the planetary mechanism, and is located at second level small rocker
Shell coal wall side.The power of the cutting motor output successively passes through big rocking-arm driving mechanism, transmission shaft, small rocker driver
Structure and planetary mechanism are transmitted to cutting drum, finally implement coal cutting operation by cutting drum.
In the present embodiment, the revolving sleeve and transmission shaft are arranged in the middle position of the shell of the big rocker arm of level-one, cutting electricity
Machine is arranged in their right side, and motor and rotary reducer component are arranged in their left side.The shell of the big rocker arm of level-one
Right end and fuselage it is hinged.The big rocking-arm driving mechanism uses gear drive, integral installation in the cutting motor and
The mined out side of revolving sleeve.The input terminal and output end of the big rocking-arm driving mechanism can by spline structure respectively with cutting
The output shaft of motor and nearly mined out side one end of transmission shaft are coaxially connected.Nearly coal wall side one end of transmission shaft and small rocker driver
The input terminal of structure can also be connected by spline structure.
The shell of the big rocker arm of level-one may be designed to the hinged hinged seat of fuselage according to needs of going into the well whole with fuselage one
Body formula structure may be designed as the split type mechanism connecting with fuselage by taper pin.
Double traction walking mechanisms include traction electric machine, gear drive and independent ambulation case, the traction electric machine
The box house of the fuselage, case of the independent ambulation case fixed and arranged in the fuselage are arranged in gear drive
Nearly mined out side outside body.Independent ambulation case is containing adjustable distance pad, to be adapted to the scrapper conveyor of different in width.
The height-regulating hydraulic system 6 of the high working face list roller short-wall coal-winning machine and the main element point of electric control system 5
Scattered formula is arranged in the cabinet of the fuselage and the top of fuselage, improves the space utilization rate of fuselage, keeps coalcutter fuselage shorter,
More compact structure.
The specific arrangement method of electric control system in the present embodiment are as follows: electric control system mainly includes airborne electric cabinet
With airborne frequency converter box, airborne electric cabinet is arranged among double traction walking mechanisms, is limited by fuselage length, airborne frequency converter box
It is arranged in fuselage upper left side, airborne electric cabinet and airborne frequency converter box are connected by connecting cable.Frequency converter box may be designed as
Non- machine-carried type, it is arranged in crossheading, is connected by trailing cable line with electric cabinet.
The specific arrangement method of height-regulating hydraulic system are as follows: the main element of the height-regulating hydraulic system includes pump motor group
Part, main fuel tank, auxiliary fuel tank and height-regulating valve group etc., the pump motor component, main fuel tank are arranged side by side in the cabinet of the fuselage
Portion, to minimize the left and right directions length of fuselage.The auxiliary fuel tank is arranged in the upper right side of the fuselage and cutting means is cut with scissors
In the hinged ear mount connect.Valve group is turned up to be arranged in the fuselage cabinet below auxiliary fuel tank.
It is connected between the main fuel tank and auxiliary fuel tank by the thin different sebific duct of two root thickness, thicker sebific duct is oil pipe,
It is arranged in the nearly coal wall side of the fuselage, the thinner sebific duct is snorkel, is arranged in the closely mined out side in top of the fuselage.
Snorkel is connect with auxiliary fuel tank by quick plug, convenient for disassembly and assembly.Valve group oil return is turned up extremely from main fuel tank oil suction in pump motor component
Auxiliary fuel tank.To improve heat dissipation effect, auxiliary fuel tank is further preferably provided with cooler.
Double traction walking mechanisms are preferably centered on the axis of the revolving sleeve, that is, second level small rocker rotation axis
It is symmetrically arranged, to guarantee that planted agent's amount is identical at head, tail.
The high working face list roller short-wall coal-winning machine further preferably includes auxiliary Dang Mei mechanism 4, is mounted on by screw described
On the top surface of fuselage, between the fuselage and the big rocker arm of level-one, the auxiliary Dang Mei mechanism be stretching structure, top with
With the big radial up-down of the level-one.The auxiliary Dang Mei mechanism can prevent the float coal after the knife coal cutting of top to be deposited on fuselage.
The auxiliary Dang Mei mechanism is combined using the small box structural unit of grouping and layering, and the auxiliary keeps off coal machine
Structure is divided into multiple groups in left and right directions, has one or more small box structural units to be stacked in every group up and down, adjacent in every group
Hinged between two small box structural units, all bottom small box structural units and fuselage are hinged, the axis of all hinged places
It is that left and right extends.Each small box structural unit is correspondingly provided with a piston cylinder, and each small box structural unit is mutually being taken on service jobs
It is slightly swung under the flexible drive of plug cylinder around its own hinge axes, therefore generates lifting effect.When the piston cylinder has been in
When full extended state, the big face in front side of corresponding small box structural unit is in the heeling condition of the forward top margin in bottom edge rearward, and this
When small box structural unit the big face in front side be in inclination maximum (refer to folded acute angle) state with respect to fuselage top surface.
When all small box structural units are in inclination maximum state, with the big face in front side of the small box structural unit of group
Concordantly, the big face in front side of the small box structural unit of different groups is concordant or parallel.
The piston cylinder includes cylinder body, compressed spring and piston, and piston is slidably matched with cylinder body, and compressed spring is located at cylinder body
Cylinder bottom and piston between.When the big rocker arm decline of level-one, by the gravity of the big rocker arm of level-one, piston cylinder is shunk, small box
Structural unit assists Dang Mei mechanism to follow decline to lower swing, when being lifted on the big rocker arm of level-one, the gravity of the big rocker arm of level-one
Reduce or disappear, built-in compressed spring, which is sprung back, to be stretched, and small box structural unit is swung up, and auxiliary Dang Mei mechanism also follows
Lift.The top surface of every group of top layer small box structural unit is also provided with a wedge block, closer to fuselage and the big rocker arm of level-one
The layer that the group of hinged hinged ear mount is included is fewer, the wedge of the hinged ear mount hinged closer to fuselage and the big rocker arm of level-one
The end height of shape block is lower, to adapt to the wedge shape space of one end high and another end low between the big cantilever crane of level-one and fuselage.Small box structure
The layer-by-layer bottom from top to bottom when the unit bottom.Before the big rocker arm of level-one drops to minimum point, there are top for auxiliary Dang Mei mechanism
The layer bottom and layer on the lower the case where still maintaining inclination maximum state, there is also top layers from the inclination maximum state bottom
Angle is big and situation that the angle of layer on the lower from the inclination maximum state bottom is small.
The invention also discloses a kind of coal winning technologies of high working face list roller short-wall coal-winning machine: first rolling the cutting of coalcutter
Cylinder is adjusted to highest point, as shown in fig. 6, exempting to chamfer feed from the head or tail of conveyer, walks to tail or head and cuts top
Knife；Cutting drum is dropped to the height of next cutting drum diameter, as shown in fig. 7, from tail or head feed, to machine after cutting
Head or tail walk and cut middle knife；Cutting drum is fallen to bottom plate after cutting, as shown in figure 8, from head or tail feed,
It walks to tail or head and cuts bed plate until cutting.Used coalcutter is high working face list roller Shortwall mining above-mentioned
Machine.Coalcutter is round-trip by three knives, completes a complete coal cutting process.
The invention also discloses the coal winning technologies of another high working face list roller short-wall coal-winning machine: first by the cutting of coalcutter
Roller is adjusted to highest point, and head or tail feed from conveyer walk to tail or head and cut top knife, by cutting after cutting
Roller is fallen to bottom plate, from tail or head feed, is walked to head or tail and is cut bed plate until cutting.It is used to adopt
Coal machine is high working face list roller short-wall coal-winning machine above-mentioned, and the diameter of cutting drum is not less than the half of coal mining height.This cuts
Round-trip two knife of coal process can be completed.
Either as the starting point of single direction stroke or terminal, when coalcutter is in head or tail, cutting drum is answered
It is fully inserted into air return way or in haulage gate, to ensure to cut no coal seam residual.
When cutting top knife, working surface hydraulic support should stretch out telescopic top beam and face guard in time, so as to immediate support top plate and
Coal wall.When cutting bed plate, the hydraulic frame of working face should try to stop people from fighting each other in time, pushing and sliding, when coalcutter walks whole flow process terminal, last row
Bracket tries to stop people from fighting each other, pushing and sliding, promotes one to cut scrapper conveyor head and is deep to coal wall, and bracket is tried to stop people from fighting each other to be terminated with pushing and sliding work.
Above-mentioned coal winning technology of the invention is multiple-pin coal winning technology, is to make the coalcutter in the head and machine of conveyer
Cutting drum, is adjusted to different height before walking every time by walking coal cutting simultaneously back and forth between tail so that it is round-trip repeatedly after
Complete height can be adopted.The superposition in cutting drum occupied region in the height direction can cover the coal seam of coal wall after i.e. each time adjustment
Overall height.
Herein referred left and right is the left and right under the visual angle Fig. 1, and herein referred front and back is upper and lower under the visual angle Fig. 3.
Claims (11)
1. a kind of high working face list roller short-wall coal-winning machine, it is characterised in that: including fuselage, cutting means and double traction vehicle with walking machine
Structure, the fuselage are rectangular box structure, and the big portion of double traction walking mechanisms is arranged in the cabinet of the fuselage, institute
The top that cutting means is arranged in the fuselage is stated, the cutting means includes cutting drum, the big rocker arm of level-one, second level small rocker
With promotion oil cylinder, one end of the shell of the big rocker arm of level-one and described one end for pushing oil cylinder are respectively hinged with the fuselage,
The middle part of the shell of the big rocker arm of level-one and the other end for pushing oil cylinder are hinged, set in the shell of the big rocker arm of level-one
There are motor and revolving sleeve, the revolving sleeve rotates in the inner hole for the shell for being connected to the big rocker arm of level-one, and its axis anterior-posterior horizontal
Arrangement, the motor directly or indirectly drive the shell of the big rocker arm of revolving sleeve versus primary to do fixed-axis rotation, the revolution
Nearly coal wall side one end of set is fixedly connected with the shell of second level small rocker, and the cutting drum is mounted on the shell of second level small rocker
Coal wall side.
2. high working face list roller short-wall coal-winning machine as described in claim 1, it is characterised in that: double traction walking mechanism packets
Traction electric machine, gear drive and independent ambulation case are included, the traction electric machine and gear drive are arranged in the machine
The box house of body, the independent ambulation case are arranged in the closely mined out side of cabinet of the fuselage.
3. high working face list roller short-wall coal-winning machine as described in claim 1, it is characterised in that: its height-regulating hydraulic system and electrical
The main element distributing of control system is arranged in the cabinet of the fuselage and the top of fuselage.
4. high working face list roller short-wall coal-winning machine as claimed in claim 3, it is characterised in that: the height-regulating hydraulic system includes
Pump motor component, main fuel tank and auxiliary fuel tank, the pump motor component, main fuel tank are arranged in the box house of the fuselage, described
Auxiliary fuel tank is arranged in the top and the hinged ear mount that the big rocker arm of level-one is hinged of the fuselage.
5. high working face list roller short-wall coal-winning machine as claimed in claim 4, it is characterised in that: the main fuel tank and auxiliary fuel tank it
Between be connected by the thin different sebific duct of two root thickness, thicker sebific duct is oil pipe, is arranged in the nearly coal wall side of the fuselage, more carefully
The sebific duct be snorkel, be arranged in the closely mined out side in top of the fuselage.
6. high working face list roller short-wall coal-winning machine as claimed in claim 3, it is characterised in that: the electric control system includes
Airborne electric cabinet and airborne frequency converter box, airborne electric cabinet are arranged among double traction walking mechanisms, airborne frequency converter box arrangement
In the one end of the top of fuselage far from the hinged hinged ear mount of fuselage and the big rocker arm of level-one, airborne electric cabinet and airborne frequency converter box
Connected by connecting cable.
7. the high working face list roller short-wall coal-winning machine as described in claim 1,2,3,4,5 or 6, it is characterised in that: described pair is led
Draw walking mechanism to be symmetrically arranged centered on the axis of the revolving sleeve.
8. the high working face list roller short-wall coal-winning machine as described in claim 1,2,3,4,5,6 or 7, it is characterised in that: further include
Dang Mei mechanism is assisted, is mounted on the top surface of the fuselage, between the fuselage and the big rocker arm of level-one, the auxiliary keeps off coal
Mechanism is stretching structure, and top follows the big radial up-down of the level-one.
9. high working face list roller short-wall coal-winning machine as claimed in claim 8, it is characterised in that: the auxiliary Dang Mei mechanism uses
Multiple small box structural units are combined, and left and right directions is divided into multiple groups, there is one or more small box structures in every group
Unit is stacked up and down, hinged between two neighboring small box structural unit in every group, all bottom small box structural units and machine
Body is hinged, and each small box structural unit is correspondingly provided with a piston cylinder, and each small box structural unit is in respective pistons cylinder
It is slightly swung under flexible drive around its own hinge axes, when the piston cylinder is in the fully extended state, corresponding small box
The big face in the front side of structural unit is in the heeling condition of the forward top margin in bottom edge rearward, and the front side of small box structural unit at this time is big
Face is in inclination maximum state with respect to fuselage top surface.
10. a kind of coal winning technology of high working face list roller short-wall coal-winning machine, it is characterised in that: using any in claim 1-9
High working face list roller short-wall coal-winning machine, is first adjusted to highest point for the cutting drum of coalcutter described in one claim, from defeated
Head or the tail feed for sending machine, walk to tail or head and cut top knife, and next cutting is dropped in cutting drum after cutting and is rolled
Cylinder diameter height walk to head or tail from tail or head feed and cut middle knife, after cutting by cutting drum fall to
At bottom plate, from head or tail feed, walks to tail or head and cut bed plate until cutting.
11. a kind of coal winning technology of high working face list roller short-wall coal-winning machine, it is characterised in that: using any in claim 1-9
High working face list roller short-wall coal-winning machine described in one claim, and the diameter of cutting drum is not less than the one of coal mining height
Half, the cutting drum of coalcutter is first adjusted to highest point, head or tail feed from conveyer are walked simultaneously to tail or head
Top knife is cut, falls cutting drum to bottom plate after cutting, from tail or head feed, walks to head or tail and cuts bed plate
Until cutting.
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| CN201910751085.XA CN110410072A (en) | 2019-08-15 | 2019-08-15 | High working face list roller short-wall coal-winning machine and its coal winning technology |
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| CN201910751085.XA CN110410072A (en) | 2019-08-15 | 2019-08-15 | High working face list roller short-wall coal-winning machine and its coal winning technology |
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| CN110410072A true CN110410072A (en) | 2019-11-05 |
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| CN201910751085.XA Pending CN110410072A (en) | 2019-08-15 | 2019-08-15 | High working face list roller short-wall coal-winning machine and its coal winning technology |
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Cited By (1)
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