CN107060750A - A kind of low seam mining machinery spiral rotary drum type auxiliary coaling gear and its application - Google Patents
A kind of low seam mining machinery spiral rotary drum type auxiliary coaling gear and its application Download PDFInfo
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- CN107060750A CN107060750A CN201710278091.9A CN201710278091A CN107060750A CN 107060750 A CN107060750 A CN 107060750A CN 201710278091 A CN201710278091 A CN 201710278091A CN 107060750 A CN107060750 A CN 107060750A
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- 238000005065 mining Methods 0.000 title claims abstract description 113
- 239000003245 coal Substances 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 claims description 18
- 238000005520 cutting process Methods 0.000 claims description 14
- 239000011435 rock Substances 0.000 claims description 13
- 230000004323 axial length Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 241001131688 Coracias garrulus Species 0.000 description 34
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 239000002817 coal dust Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical class [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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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
- E21C25/68—Machines for making slits combined with equipment for removing, e.g. by loading, material won by other means
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Abstract
The present invention relates to a kind of low seam mining machinery spiral rotary drum type auxiliary coaling gear and its application.The auxiliary coaling gear, including be arranged in cabinet motor, height-regulating support top plate, be vertically directed bar, heighten hydraulic cylinder, turbine and worm screw；The height-regulating support top plate, which is slidably arranged in, to be vertically directed on bar；The cylinder barrel for heightening hydraulic cylinder is fixedly installed on the bottom of cabinet, and the piston of heightening for heightening hydraulic cylinder is fixedly connected with height-regulating support top plate；Turbine is connected with worm engaging；The output shaft of motor is connected by deceleration system with worm screw.Low seam mining machinery spiral rotary drum type auxiliary coaling gear of the present invention is used without baffle arrangement, and space opening of coalingging, rotating speed is relatively low, is difficult to form circulation coal.
Description
Technical field
The present invention relates to a kind of low seam mining machinery spiral rotary drum type auxiliary coaling gear and its application, belong to coal mining
The technical field of mechanized equipment.
Background technology
Girdle refers to that thickness is in below 1.3m coal seam during underground mining.In china natural resources reserves the proportion of girdle compared with
Greatly, with the raising of Mining At Home And Abroad device fabrication level, on the basis of using high-power, high reliability working face equipment,
It should select coal-cutting machinery according to local ocurrence of coal seam situation with suiting measures to local conditions, using rational coal-mining method, realize girdle
High-yield and high-efficiency exploitation.
At present, thin seam mining mode mainly has big gun to adopt and adopted with machine.Big gun adopts that efficiency is low, and security is poor.Machine adopt it is main by
Coal plough, drum shearer etc. are exploited；Drum shearer has strong applicability, mechanization degree height, coal mining
The characteristics of measuring big, is widely used in the girdle mechanical mining of China.But from the point of view of actual use situation, girdle rolling
Cylinder coal-winning machine effect of loading coal difference is always a distinct issues, the major obstacle used as it.Therefore, girdle rolling is improved
Cylinder coal-winning machine loading performance improves thin coal bed fully-mechanized mining mechanization degree and had great importance to increase coal production benefit.
In the prior art, the method for improving girdle flitting loading performance mainly has three kinds：The first is design
Novel rotary drum, loading effect is increased by changing roller frame；Second is the increase auxiliary coaling gear below rocking arm,
The accumulation coal seam cleared up below rocking arm；The third is the increase spillplate at cylinder position.For first method, Chinese patent
CN105134206A discloses a kind of low seam mining machinery roller, i.e. roller cylinder hub diameter from cylinder bottom to end plate direction in double
Bent sinusoidal form increase, helical blade section is in on-right angle with cylinder hub inner cylinder angle, and helical blade meets coal face in cambered surface.The rolling
Cylinder by mining height due to being limited, and the effectively region of coalingging of drum blade can not be dramatically increased, and low seam mining machinery is coaling rate
Room for promotion is relatively limited, meanwhile, the structure design of these rollers is complex, improves production and processing difficulty；For second
The method of kind, Chinese patent CN201924928U discloses unstable low seam mining machinery servicing unit, that is, is located at rocker arm of coal mining machine
On plough type cowl, the inner opposite end of plough type cowl is hinged on rocker arm of coal mining machine.Plough type is coaling in the device
The cleanup area of plate is small, can only clear up the coal seam below rocking arm, for improve flitting totally coaling rate not especially show
Write, simultaneously as plough type cowl is installed on below rocking arm, planted agent's amount of influence low seam mining machinery；For the third method,
Chinese patent CN202152682U discloses a kind of arc coal board, i.e., comprising mounting circular ring, is connected what is set with mounting circular ring
Triangle jib structure, and the arc set is connected with the triangle jib structure；Chinese patent CN202707051U is public
A kind of adjustable stopper device for coal and coal-winning machine are driven, you can mode coal blocking device is used for winning machine cutting part, winning machine cutting part
Including rocking arm and cutting drum, adjustable stopper device for coal includes spillplate, support frame and expansion bracket, and spillplate is fixedly mounted on branch
On support.Above-mentioned patent, although simple in construction, but because this structure easily causes circulation coal so that low seam mining machinery is rolled
The lump coal rate of cylinder is reduced, the serious wear such as pick, toothholder.
In summary, it is necessary to which loading efficiency can be significantly improved by designing one kind, increased working range of coalingging, avoided again
The auxiliary coaling gear impacted to lump coal rate, pick, toothholder etc., and then realize that coal breakage-process of coalingging effectively is connected, reduce
The coal petrography beyond scrapper conveyor is scattering into, process of effectively coalingging at a high speed is realized.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of low seam mining machinery spiral rotary drum type auxiliary coaling gear.
The present invention also provides a kind of method mined using above-mentioned auxiliary coaling gear.
The technical scheme is that：
A kind of low seam mining machinery spiral rotary drum type aids in coaling gear, including be arranged in cabinet motor, heighten branch
Support plate, it is vertically directed bar, heightens hydraulic cylinder, turbine and worm screw；The height-regulating support top plate, which is slidably arranged in, is vertically directed bar
On；The cylinder barrel for heightening hydraulic cylinder is fixedly installed on the bottom of cabinet, and the piston of heightening for heightening hydraulic cylinder is consolidated with height-regulating support top plate
Fixed connection；Turbine is connected with worm engaging；The output shaft of motor is connected by deceleration system with worm screw.
It is preferred that, worm screw case and turbine box are provided with the height-regulating support top plate, the worm screw and turbine are set respectively
In worm screw case and turbine box.The installation requirement of worm screw and turbine had both been can guarantee that using the structure, can effectively reduce again worm screw with
Turbine installation casing size, makes structure compacter.
It is further preferred that the worm screw case is in upright cylindricality, turbine box is in cylindricality is lied down, and worm screw case is with turbine box in snail
Bar is overlapping with turbine engagement place, connection.
It is preferred that, shown worm screw and turbine are vertically arranged；The height-regulating support top plate is horizontally disposed with.
It is preferred that, the deceleration system includes the first helical gear, the second helical gear and the 3rd helical gear engaged successively；The
One helical gear is connected with the output axle key of the motor；3rd helical gear is connected with the worm screw key.First helical gear and second
Helical gear is engaged, and constitutes primary speed-down；Second helical gear and the engagement of the 3rd helical gear constitute double reduction；Worm screw is constituted with turbine
Three-level is slowed down.Gearratio can be effectively increased using the slowing-down structure, the requirement of the helix drum slow-speed of revolution, i.e. helix drum is met
Design speed is 45r/min~75r/min.
It is preferred that, the low seam mining machinery spiral rotary drum type auxiliary coaling gear includes two motors, two worm screws, two
Individual deceleration system and two heighten hydraulic cylinder；Two motors, two worm screws, two heighten hydraulic cylinder and be symmetrically arranged at turbine
Both sides.The design is driven simultaneously using both sides bi-motor, both ensure that equipment power demand, turn avoid single motor driving electricity
The oversized problem of machine, effectively reduces the fuselage height of low seam mining machinery spiral rotary drum type auxiliary coaling gear.
It is preferred that, the low seam mining machinery spiral rotary drum type auxiliary coaling gear is vertically directed bar, four including four
It is vertically directed bar to be fixedly installed on four drift angles of guiding fixed plate, is oriented to fixed plate and is fixedly installed on enclosure top；Heighten
The pilot hole of bar cooperation is respectively arranged with and is vertically directed on four drift angles of roof supporting；Four are vertically directed bar and slide setting
In four pilot holes.The design had both improved worm screw case and turbine box guiding accuracy, added again during helix drum coalings
Low seam mining machinery spiral rotary drum type aids in the lateral support load-bearing rigidity of coaling gear.
It is preferred that, socket is provided with multi-diameter shaft, multi-diameter shaft on the turbine it is provided with helix drum, helix drum and sets
It is equipped with helical blade；The helix drum blade surface is provided with hemisphere jut.Ladder the tip of the axis is equipped with roller, the rotation of roller
Turn realization to coaling miscellaneous function.The hemisphere jut that heap is welded in cylinder surface can either slow down section coal breakage rock to helix drum blade
Abrasion, raising helix drum service life, can improve the internal stress distribution of coal body during helix drum is coaling again, and lifting is coaling
Effect.
It is further preferred that the hemisphere jut is that spherical tungsten carbide series hard alloy is raised.
It is further preferred that shown turbine is connected with the ladder axle key.
It is further preferred that the axial cross section of the helical blade is trapezoidal, the inclination angle of helical blade is 15 °~20 °.
It is further preferred that the end center of the helix drum is provided with ladder hole, the ladder hole includes
Centre bore, internal thread hole and counter sink；Multi-diameter shaft is connected with ladder hole.Helix drum end centre bore is installed with multi-diameter shaft
And coordinated in end by the screwed hole of dormant bolt and ladder shaft end；The internal thread hole of dormant bolt simultaneously with helix drum
It is connected；Using the structure roller is installed both succinct, conveniently, roller can have been met again and has fixed requirement, connection helix drum with
The dormant bolt of multi-diameter shaft is arranged at the abrasion and destruction that can effectively prevent coal petrography from being caused to it in counter sink.
It is further preferred that multi-diameter shaft is connected by the leading flank of bearing and cabinet；Axle is provided with the cabinet
Hold lid accessory plate, the leading flank of bearing cap accessory plate and cabinet surrounds bearing guide chamber, and the bearing is slidably arranged in the axle
Hold in rail cavity.
Still further preferably, it is provided with what is passed through for multi-diameter shaft on the leading flank of the cabinet and bearing cap accessory plate
Rectangular aperture；The width of the rectangular aperture and the external diameter of multi-diameter shaft are adapted；The length of the rectangular aperture is cabinet height
1/3；The both sides of the rectangular aperture are provided with bellow seal bar, and bellow seal bar is connected with multi-diameter shaft interference fit.Ripple
Sealing strip ensure that extraneous coal dust and chassis components isolation when multi-diameter shaft moves up and down, it is to avoid coal dust etc. is to cabinet parts
Influence.
Still further preferably, described multi-diameter shaft one end is connected after passing through the bearing with the turbine；The multi-diameter shaft
The other end sequentially pass through after the centre bore, internal thread hole and to be fixedly connected with the dormant bolt in counter sink.
It is further preferred that the axial length of the multi-diameter shaft is 2~3 times of helix drum axial length.The length was both
The requirement of roller installation dimension can be effectively met, can guarantee that multi-diameter shaft is installed, carrying size is required again.
It is preferred that, worm screw axis hole is provided with the height-regulating support top plate, the worm screw is rotatably arranged in worm screw axis hole.
By external hydraulic control system, according to the height regulating function that helix drum is realized the need for actual height of coalingging.Liquid
Force feed, which enters, heightens hydraulic cylinder, in the presence of oil pressure, heightens piston and is stretched out from cylinder barrel, height-regulating support top plate is along vertical side
To during movement, drive is heightened height-regulating support top plate fixed on piston and moved up and down, and turbine box and worm screw case are with height-regulating support top
Plate moves up and down and drives multi-diameter shaft and roller integrally to move up and down, and realizes the function of heightening.Turbine rod is vertical with turbine wheel shaft to be set
Put, the two constitutes third level deceleration device, while completing interlocking for the direction of motion.
A kind of method mined using above-mentioned auxiliary coaling gear, including step are as follows：
1) auxiliary coaling gear is mounted between low seam mining machinery intermediate box and running part；Auxiliary is coaling
Put heighten hydraulic cylinder and low seam mining machinery heighten oil cylinder connection, realize linkage；Auxiliary coaling gear is heightened into hydraulic pressure
Cylinder and low seam mining machinery heighten oil cylinder linkage, it is ensured that the helix drum work that low seam mining machinery roller is coaling with auxiliary is high
Degree is identical, both avoids aiding in the helix drum coaling directly contact not cut coal breakage rock, and can ensure effective work to cutting coal breakage rock
Use scope.
2) coal mining operation is started；The roller of low seam mining machinery cutting units cuts coal breakage rock；Aid in coaling gear will be not thin
The coal petrography of coal seam coal-winning machine conveying is by aiding in the helix drum of coaling gear to convey again, and auxiliary coaling gear passes through spiral roll
The coal petrography being scattered is transported in the drag conveyor below low seam mining machinery by cylinder own rotation；Because low seam mining machinery is cut
The depth of blade for cutting portion's helix drum is smaller, and its rate of coalingging is relatively low, will have an a large amount of section coal breakage rocks can not be effectively transported to by it and scrapes
On plate conveyer, machine road float coal is formed；Machine road float coal can not only hinder the advance of coal-winning machine, and can also move frame to pushing and sliding brings tired
It is difficult, it is therefore desirable to which that it is cleared up；Low seam mining machinery spiral rotary drum type auxiliary coaling gear designed by the present invention is exactly
Designed based on this；
3) it is auxiliary when the roller of low seam mining machinery rises or landed in low seam mining machinery coal mining traveling process
The helix drum of coaling gear is helped to rise or land therewith.
In view of the situation of coal-winning machine coal mining machine roller height real-time change in the process of walking, to avoid auxiliary from coalingging
The helix drum put directly contact does not cut coal breakage rock, and the oil cylinder of heightening for heightening hydraulic cylinder and coal-winning machine for aiding in coaling gear is connected
Realization linkage is connect, is risen in coal mining machine roller with descent, the roller of auxiliary coaling gear rises and landed therewith；
It is preferred that, the step 2) in start also to include the roller height of adjustment low seam mining machinery before coal mining operation
Step；By the specified mining height of roller arrival that oil cylinder adjusts low seam mining machinery of heightening for adjusting low seam mining machinery；Together
When and low seam mining machinery heighten oil cylinder connection auxiliary coaling gear heighten hydraulic cylinder adjustment aid in coaling gear spiral shell
Rotating drum reaches identical height.
Beneficial effects of the present invention are：
1. low seam mining machinery spiral rotary drum type of the present invention aids in coaling gear, the machine of heightening is combined using machine-liquid
Structure, deceleration transmission system uses helical gear, turbine, worm structure, greatly improves speed reducing ratio, meets low turn of helix drum
Speed is required；Worm position is fixed, and turbine is moved up and down, that is, ensure that the helix drum that turbine is driven rotates unaffected, again
Height adjustable of coalingging is realized, region of effectively coalingging is expanded；
2. the regulation height of the helix drum of low seam mining machinery spiral rotary drum type auxiliary coaling gear of the present invention
It is consistent with cutting units roller height before low seam mining machinery, while adjustable range can make it cover whole coal seam height, it is ensured that
Planted agent's amount coaling etc. is required；Meanwhile, the helix drum is low seam mining machinery cutting units helix drum loft not yet in effect
The cleaning plant of float coal, the roller is used without baffle arrangement, and space opening of coalingging, rotating speed is relatively low, is difficult to form circulation coal.
Brief description of the drawings
Fig. 1 is the installation diagram that low seam mining machinery spiral rotary drum type of the present invention aids in coaling gear；
Fig. 2 is the sectional view that low seam mining machinery spiral rotary drum type of the present invention aids in coaling gear；
Fig. 3 is the profile in A-A directions in Fig. 2；
Fig. 4 is turbine of the present invention and the installation diagram of worm screw；
Fig. 5 is turbine box of the present invention and worm screw case installation diagram；
Fig. 6 is the profile in B-B directions in Fig. 5；
Fig. 7 is the structural representation of the present invention for being oriented to fixed plate；
Fig. 8 is the structural representation of cabinet leading flank；
Wherein, 1, cabinet；2nd, motor；3rd, worm screw case；5th, the first helical gear；6th, pilot hole；7th, turbine；8th, multi-diameter shaft；9、
Second helical gear；10th, dormant bolt；11st, the 3rd helical gear；12nd, helical blade；13rd, hemisphere jut；14th, worm screw axis hole；15、
Worm screw；16th, counter sink；17th, hydraulic cylinder is heightened；18th, bellow seal bar；19th, turbine box；20th, it is oriented to fixed plate；21st, branch is heightened
Support plate；22nd, it is vertically directed bar；23rd, bearing cap accessory plate；24th, bearing guide chamber.
Embodiment
With reference to embodiment and Figure of description, the present invention will be further described, but not limited to this.
Embodiment 1
As shown in figures 1-8.
A kind of low seam mining machinery spiral rotary drum type aids in coaling gear, including be arranged in cabinet 1 motor 2, heighten
Roof supporting 21, it is vertically directed bar 22, heightens hydraulic cylinder 17, turbine 7 and worm screw 15；The height-regulating support top plate 21, which is slided, to be set
It is being vertically directed on bar 22；The cylinder barrel for heightening hydraulic cylinder 17 is fixedly installed on the bottom of cabinet 1, and that heightens hydraulic cylinder 17 heightens work
Plug is fixedly connected with height-regulating support top plate 21；Turbine 7 is connected with the engagement of worm screw 15；The output shaft of motor 2 by deceleration system with
Worm screw 15 connects.
Embodiment 2
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, except that, it is described to heighten
Worm screw case 3 and turbine box 19 are provided with roof supporting 21, the worm screw 15 and turbine 7 are separately positioned on worm screw case 3 and turbine
In case 19.The installation requirement of worm screw 15 and turbine 7 had both been can guarantee that using the structure, worm screw can have effectively been reduced again case is installed with turbine
Body size, makes structure compacter.
Embodiment 3
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 2, except that, the worm screw
Case 3 is in upright cylindricality, turbine box 19 in lying down cylindricality, worm screw case 3 and turbine box 19 worm screw 15 it is overlapping with the engagement place of turbine 7,
Connection.
Embodiment 4
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, except that, shown worm screw
15 and turbine 7 be vertically arranged；The height-regulating support top plate 21 is horizontally disposed with.
Embodiment 5
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, except that, it is described to slow down
System includes the first helical gear 5, the second helical gear 9 and the 3rd helical gear 11 engaged successively；First helical gear 5 and the motor
2 output axle key connection；3rd helical gear 11 is connected with the key of worm screw 15.First helical gear 5 is engaged with the second helical gear 9,
Constitute primary speed-down；Second helical gear 9 and the engagement of the 3rd helical gear 11 constitute double reduction；Worm screw 15 constitutes three-level with turbine 7
Slow down.Gearratio can be effectively increased using the slowing-down structure, the requirement of the helix drum slow-speed of revolution is met, helix drum design turns
Speed is 75r/min.
Embodiment 6
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, except that, the bog-head coal
Layer Shearer Helical Drum formula auxiliary coaling gear is heightened including two motors 2, two worm screws 15, two deceleration systems and two
Hydraulic cylinder 17；Two motors 2, two worm screws 15, two heighten the both sides that hydraulic cylinder 17 is symmetrically arranged at turbine 7.This sets
Meter is driven simultaneously using both sides bi-motor 2, both ensure that equipment power demand, and turn avoid single motor motor oversized
Problem, effectively reduces the fuselage height of low seam mining machinery spiral rotary drum type auxiliary coaling gear.
Embodiment 7
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, except that, the bog-head coal
Layer Shearer Helical Drum formula auxiliary coaling gear is vertically directed bar 22 including four, and four are vertically directed bar 22 and are fixedly installed on
On four drift angles for being oriented to fixed plate 20, it is oriented to fixed plate 20 and is fixedly installed on the top of cabinet 1；Four of height-regulating support top plate 21
The pilot hole 6 of the cooperation of bar 22 is respectively arranged with and is vertically directed on drift angle；Four are vertically directed bar 22 and are slidably arranged in four and lead
Into hole 6.The design had both improved worm screw case 3 and the guiding accuracy of turbine box 19, adds and is aided in during helix drum is coaling again
The lateral support load-bearing rigidity of coaling gear.
Embodiment 8
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, except that, the turbine
It is provided with to be socketed to be provided with helix drum, helix drum on multi-diameter shaft 8, multi-diameter shaft 8 on 7 and is provided with helical blade 12；It is described
The surface of helix drum blade 12 is provided with hemisphere jut 13.The end of multi-diameter shaft 8 is equipped with roller, the rotation of roller realize coaling it is auxiliary
Assist energy.The hemisphere jut 13 that heap is welded in cylinder surface can either slow down abrasion, the raising for cutting coal breakage rock to helix drum blade
Helix drum service life, can improve the internal stress distribution of coal body during helix drum is coaling, lift effect of loading coal again.
Embodiment 9
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, except that, it is described spherical
Projection 13 is that spherical tungsten carbide series hard alloy is raised.
Embodiment 10
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, except that, shown turbine
7 are connected with the key of multi-diameter shaft 8.
Embodiment 11
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, except that, the spiral
The axial cross section of blade 12 is trapezoidal, and the inclination angle of helical blade 12 is 18 °.
Embodiment 12
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, except that, the spiral
The end center of roller is provided with ladder hole, and the ladder hole includes centre bore, internal thread hole and counter sink 16；Ladder
Axle 8 is connected with ladder hole.Helix drum end centre bore is installed with multi-diameter shaft 8 and passes through dormant bolt 10 and rank in end
The screwed hole of the terraced end of axle 8 coordinates；Dormant bolt 10 is connected with the internal thread hole of helix drum simultaneously；Made using the structure
Roller had been installed both succinctly, conveniently, and roller can be met again and fixes requirement, the dormant bolt 10 for connecting helix drum and multi-diameter shaft is set
In the abrasion and destruction that can effectively prevent coal petrography from being caused to it in counter sink 16.
Embodiment 13
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, except that, multi-diameter shaft 8
It is connected by the leading flank of bearing and cabinet 1；Bearing cap accessory plate 23, bearing cap accessory plate are provided with the cabinet 1
23 surround bearing guide chamber 24 with the leading flank of cabinet 1, and the bearing is slidably arranged in the bearing guide chamber 24.
Embodiment 14
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 13, except that, the machine
The rectangular aperture passed through for multi-diameter shaft 8 is provided with the leading flank and bearing cap accessory plate 23 of case 1；The width of the rectangular aperture
The external diameter of degree and multi-diameter shaft 8 is adapted；The length of the rectangular aperture is the 1/3 of cabinet height；The both sides of the rectangular aperture
Bellow seal bar 18 is provided with, bellow seal bar 18 is connected with the interference fit of multi-diameter shaft 8.Bellow seal bar 18 ensure that ladder
Extraneous coal dust and chassis components are completely cut off when axle 8 moves up and down, it is to avoid the influence to cabinet parts such as coal dust.
Embodiment 15
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 13, except that, the rank
Terraced one end of axle 8 is connected after passing through the bearing with the turbine 7；The other end of the multi-diameter shaft 8 sequentially pass through the centre bore,
It is fixedly connected after internal thread hole with the dormant bolt 10 in counter sink 16.
Embodiment 16
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, except that, the ladder
The axial length of axle 8 is 3 times of helix drum axial length.The length can effectively meet the requirement of roller installation dimension, and energy
Ensure that multi-diameter shaft 8 is installed, carries size requirement.
Embodiment 17
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, except that, it is described to heighten
Worm screw axis hole 14 is provided with roof supporting 21, the worm screw 15 is rotatably arranged in worm screw axis hole 14.
By external hydraulic control system, according to the height regulating function that helix drum is realized the need for actual height of coalingging.Liquid
Force feed, which enters, heightens hydraulic cylinder, in the presence of oil pressure, heightens piston and is stretched out from cylinder barrel, height-regulating support top plate is along vertical side
To during movement, drive is heightened height-regulating support top plate fixed on piston and moved up and down, and turbine box and worm screw case are with height-regulating support top
Plate moves up and down and drives multi-diameter shaft and roller integrally to move up and down, and realizes the function of heightening.Turbine rod is vertical with turbine wheel shaft to be set
Put, the two constitutes third level deceleration device, while completing interlocking for the direction of motion.
Embodiment 18
It is a kind of as follows using the method for aiding in coaling gear to be mined as described in embodiment 1-17, including step：
1) auxiliary coaling gear is mounted between low seam mining machinery intermediate box and running part；Auxiliary is coaling
The hydraulic cylinder 17 of heightening put is connected with the oil cylinder of heightening of low seam mining machinery, realizes linkage；Auxiliary coaling gear is heightened into liquid
Cylinder pressure 17 heightens oil cylinder linkage with low seam mining machinery, it is ensured that the helix drum work that low seam mining machinery roller is coaling with auxiliary
Make highly identical, both avoid aiding in the helix drum coaling directly contact not cut coal breakage rock, and can ensure have to cutting coal breakage rock
Imitate sphere of action.
2) coal mining operation is started；The roller of low seam mining machinery cutting units cuts coal breakage rock；Aid in coaling gear will be not thin
The coal petrography of coal seam coal-winning machine conveying is by aiding in the helix drum of coaling gear to convey again, and auxiliary coaling gear passes through spiral roll
The coal petrography being scattered is transported in the drag conveyor below low seam mining machinery by cylinder own rotation；Because low seam mining machinery is cut
The depth of blade for cutting portion's helix drum is smaller, and its rate of coalingging is relatively low, will have an a large amount of section coal breakage rocks can not be effectively transported to by it and scrapes
On plate conveyer, machine road float coal is formed；Machine road float coal can not only hinder the advance of coal-winning machine, and can also move frame to pushing and sliding brings tired
It is difficult, it is therefore desirable to which that it is cleared up；Low seam mining machinery spiral rotary drum type auxiliary coaling gear designed by the present invention is exactly
Designed based on this；
3) it is auxiliary when the roller of low seam mining machinery rises or landed in low seam mining machinery coal mining traveling process
The helix drum of coaling gear is helped to rise or land therewith.
In view of the situation of coal-winning machine coal mining machine roller height real-time change in the process of walking, to avoid auxiliary from coalingging
The helix drum put directly contact does not cut coal breakage rock, and the oil cylinder of heightening for heightening hydraulic cylinder and coal-winning machine for aiding in coaling gear is connected
Realization linkage is connect, is risen in coal mining machine roller with descent, the roller of auxiliary coaling gear rises and landed therewith；
Embodiment 19
Coal-mining method as described in Example 18, except that, the step 2) in start coal mining operation before also wrap
The step of including the roller height of adjustment low seam mining machinery；Adopted by the oil cylinder adjustment girdle of heightening for adjusting low seam mining machinery
The roller of coal machine, which is reached, specifies mining height；Simultaneously with the tune for heightening the auxiliary coaling gear that oil cylinder is connected of low seam mining machinery
The helix drum of the high adjustment of hydraulic cylinder 17 auxiliary coaling gear reaches identical height.
Claims (10)
1. a kind of low seam mining machinery spiral rotary drum type aids in coaling gear, it is characterised in that including the electricity being arranged in cabinet
Machine, height-regulating support top plate, it is vertically directed bar, heightens hydraulic cylinder, turbine and worm screw；The height-regulating support top plate is slidably arranged in perpendicular
On straight guide rod；The cylinder barrel for heightening hydraulic cylinder is fixedly installed on the bottom of cabinet, heightens heightening for hydraulic cylinder and piston and heightens branch
Support plate is fixedly connected；Turbine is connected with worm engaging；The output shaft of motor is connected by deceleration system with worm screw.
2. low seam mining machinery spiral rotary drum type according to claim 1 aids in coaling gear, it is characterised in that the tune
Worm screw case and turbine box are provided with high roof supporting, the worm screw and turbine are separately positioned in worm screw case and turbine box；Institute
Show that worm screw and turbine are vertically arranged；The height-regulating support top plate is horizontally disposed with.
3. low seam mining machinery spiral rotary drum type according to claim 1 aids in coaling gear, it is characterised in that described to subtract
Speed system includes the first helical gear, the second helical gear and the 3rd helical gear engaged successively；First helical gear and the motor
Export axle key connection；3rd helical gear is connected with the worm screw key.
4. low seam mining machinery spiral rotary drum type according to claim 1 aids in coaling gear, it is characterised in that described thin
Coal seam Shearer Helical Drum formula auxiliary coaling gear is heightened including two motors, two worm screws, two deceleration systems and two
Hydraulic cylinder；Two motors, two worm screws, two heighten the both sides that hydraulic cylinder is symmetrically arranged at turbine.
5. low seam mining machinery spiral rotary drum type according to claim 1 aids in coaling gear, it is characterised in that described thin
Shearer Helical Drum formula auxiliary coaling gear in coal seam is vertically directed bar including four, and four are vertically directed bar and are fixedly installed on and lead
To on four drift angles of fixed plate, it is oriented to fixed plate and is fixedly installed on enclosure top；Divide on four drift angles of height-regulating support top plate
The pilot hole of bar cooperation is not provided with and is vertically directed；Four are vertically directed bar and are slidably arranged in four pilot holes.
6. low seam mining machinery spiral rotary drum type according to claim 1 aids in coaling gear, it is characterised in that the whirlpool
It is provided with to be socketed to be provided with helix drum, helix drum on multi-diameter shaft, multi-diameter shaft on wheel and is provided with helical blade；The spiral
Drum blade surface is provided with hemisphere jut.
7. low seam mining machinery spiral rotary drum type according to claim 6 aids in coaling gear, it is characterised in that shown whirlpool
Wheel is connected with the ladder axle key；The axial cross section of the helical blade is trapezoidal, and the inclination angle of helical blade is 15 °~20 °；Institute
The end center for stating helix drum is provided with ladder hole, and the ladder hole includes centre bore, internal thread hole and counter sink；
Multi-diameter shaft is connected with ladder hole；The axial length of the multi-diameter shaft is 2~3 times of helix drum axial length；Ladder
Axle is connected by the leading flank of bearing and cabinet；Be provided with bearing cap accessory plate in the cabinet, bearing cap accessory plate with
The leading flank of cabinet surrounds bearing guide chamber, and the bearing is slidably arranged in the bearing guide intracavitary.
8. low seam mining machinery spiral rotary drum type according to claim 7 aids in coaling gear, it is characterised in that the machine
The rectangular aperture passed through for multi-diameter shaft is provided with the leading flank and bearing cap accessory plate of case；The width of the rectangular aperture with
The external diameter of multi-diameter shaft is adapted；The length of the rectangular aperture is the 1/3 of cabinet height；The both sides of the rectangular aperture are provided with
Bellow seal bar, bellow seal bar is connected with multi-diameter shaft interference fit；Described multi-diameter shaft one end pass through the bearing after with it is described
Turbine is connected；The other end of the multi-diameter shaft sequentially pass through after the centre bore, internal thread hole with the dormant bolt in counter sink
It is fixedly connected.
9. a kind of utilize the method for aiding in coaling gear to be mined described in claim 1-8 any one, it is characterised in that bag
Include step as follows：
1) auxiliary coaling gear is mounted between low seam mining machinery intermediate box and running part；Coaling gear will be aided in
The oil cylinder of heightening for heightening hydraulic cylinder and low seam mining machinery is connected, and realizes linkage；
2) coal mining operation is started；The roller of low seam mining machinery cutting units cuts coal breakage rock；Aid in coaling gear will be not by girdle
The coal petrography of coal-winning machine conveying by aiding in the helix drum of coaling gear to convey again, auxiliary coaling gear by helix drum from
Body rotates and the coal petrography being scattered is transported in the drag conveyor below low seam mining machinery；
3) in low seam mining machinery coal mining traveling process, when the roller of low seam mining machinery rises or landed, auxiliary dress
The helix drum of device for coal rises or landed therewith.
10. coal-mining method according to claim 9, it is characterised in that the step 2) in start before coal mining operation also
Including adjust low seam mining machinery roller height the step of；Girdle is adjusted by the oil cylinder of heightening for adjusting low seam mining machinery
The roller of coal-winning machine, which is reached, specifies mining height；Simultaneously with low seam mining machinery heighten that oil cylinder be connected aid in coaling gear
The helix drum for heightening hydraulic cylinder adjustment auxiliary coaling gear reaches identical height.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281991A (en) * | 2018-11-19 | 2019-01-29 | 常州机电职业技术学院 | linear micro-motion mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201448109U (en) * | 2009-07-21 | 2010-05-05 | 西安煤矿机械有限公司 | Heavy-duty coal mining machine arranged on heightening cylinders |
| CN102678110A (en) * | 2012-05-05 | 2012-09-19 | 闫振东 | Cutting-head type short-wall large-mining-height coal winning machine and comprehensive mechanized coal mining process |
| CN203271737U (en) * | 2013-05-23 | 2013-11-06 | 江苏淮工重型装备有限公司 | Coalcutter cutting head at high-speed end of planetary reducer |
| CN204140062U (en) * | 2014-08-11 | 2015-02-04 | 天地上海采掘装备科技有限公司 | Cantilevered girdle high-power coal cutter |
| US20150315909A1 (en) * | 2012-11-26 | 2015-11-05 | Suhua Liu | Method for arranging rolling-friction stretching and retraction based rolling stroke sections of a rocker arm in parallel, and an excavator or loader comprising a rocker arm having rolling stroke sections arranged in parallel |
| CN204911667U (en) * | 2015-07-29 | 2015-12-30 | 中国地质大学（武汉） | Automatic discharging device for ball mill |
-
2017
- 2017-04-25 CN CN201710278091.9A patent/CN107060750B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201448109U (en) * | 2009-07-21 | 2010-05-05 | 西安煤矿机械有限公司 | Heavy-duty coal mining machine arranged on heightening cylinders |
| CN102678110A (en) * | 2012-05-05 | 2012-09-19 | 闫振东 | Cutting-head type short-wall large-mining-height coal winning machine and comprehensive mechanized coal mining process |
| US20150315909A1 (en) * | 2012-11-26 | 2015-11-05 | Suhua Liu | Method for arranging rolling-friction stretching and retraction based rolling stroke sections of a rocker arm in parallel, and an excavator or loader comprising a rocker arm having rolling stroke sections arranged in parallel |
| CN203271737U (en) * | 2013-05-23 | 2013-11-06 | 江苏淮工重型装备有限公司 | Coalcutter cutting head at high-speed end of planetary reducer |
| CN204140062U (en) * | 2014-08-11 | 2015-02-04 | 天地上海采掘装备科技有限公司 | Cantilevered girdle high-power coal cutter |
| CN204911667U (en) * | 2015-07-29 | 2015-12-30 | 中国地质大学（武汉） | Automatic discharging device for ball mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281991A (en) * | 2018-11-19 | 2019-01-29 | 常州机电职业技术学院 | linear micro-motion mechanism |
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