CN107060750B - 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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- CN107060750B CN107060750B CN201710278091.9A CN201710278091A CN107060750B CN 107060750 B CN107060750 B CN 107060750B CN 201710278091 A CN201710278091 A CN 201710278091A CN 107060750 B CN107060750 B CN 107060750B
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- 238000005065 mining Methods 0.000 title claims abstract description 111
- 239000003245 coal Substances 0.000 claims abstract description 76
- 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 10
- 230000000694 effects Effects 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 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
- 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
- 230000006978 adaptation 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
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process 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 fixed at 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 of the present invention aids in coaling gear, and using no baffle arrangement, space opening of coalingging, rotating speed is relatively low, is not easy 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 the coal seam of below 1.3m 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 adaptation 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 is adopted with machine.Big gun adopts that efficiency is low, and security is poor.Machine adopt mainly by
Coal plough, drum shearer etc. are exploited；Drum shearer has strong applicability, mechanization degree height, coal mining
The characteristics of big is measured, is widely used in the girdle mechanical mining in China.But from the point of view of actual use situation, girdle rolling
Cylinder coalcutter effect of loading coal difference is always a distinct issues, becomes its major obstacle used.Therefore, girdle rolling is improved
Cylinder coalcutter loading performance improves thin coal bed fully-mechanized mining mechanization degree and has great importance to increasing 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, increases loading effect by varying roller frame；Second is the increase auxiliary coaling gear below rocking arm,
Clear up the accumulation coal seam 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 is in double from cylinder bottom to end plate direction
Bent sinusoidal form increase, helical blade section and cylinder hub inner cylinder angle are in on-right angle, and it is in cambered surface that helical blade, which meets coal face,.The rolling
Due to being limited be subject to mining height, the effectively region of coalingging of drum blade can not dramatically increase cylinder, 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
Kind method, Chinese patent CN201924928U disclose unstable low seam mining machinery auxiliary device, that is, are 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, especially not aobvious for improving flitting rate of totally coalingging
Write, simultaneously as plough type cowl is installed on below rocking arm, influence planted agent's amount of 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 panel set is connected with the triangle jib structure；Chinese patent CN202707051U is public
A kind of adjustable stopper device for coal and coalcutter are opened, 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, supporting rack and expansion bracket, and spillplate is fixedly mounted on branch
On support.Above-mentioned patent, although simple in structure, since this structure be easy to cause circulation coal so that low seam mining machinery rolls
The lump coal rate of cylinder reduces, the serious wear such as pick, toothholder.
In summary, it is necessary to which loading efficiency can be significantly improved by designing one kind, increase working range of coalingging, and avoid
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 being scattering into beyond scrapper conveyor, realizes process of effectively coalingging at a high speed.
The content of the invention
In view of the deficiencies 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, be vertically directed bar, heighten 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 fixed at 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.
Preferably, 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.Not only can guarantee that the installation requirement of worm screw and turbine using the structure, but can effectively reduce 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.
Preferably, shown worm screw and turbine are vertically arranged；The height-regulating support top plate is horizontally disposed with.
Preferably, the deceleration system includes the first helical gear, the second helical gear and the 3rd helical gear engaged successively；The
The output shaft key connection of one helical gear and the motor；3rd helical gear and the worm screw key connection.First helical gear and second
Helical gear engages, and forms primary speed-down；Second helical gear and the engagement of the 3rd helical gear form double reduction；Worm screw is formed with turbine
Three-level is slowed down.Gearratio can be effectively increased using the slowing-down structure, meet the requirement of the helix drum slow-speed of revolution, i.e. helix drum
Design speed is 45r/min~75r/min.
Preferably, the low seam mining machinery spiral rotary drum type auxiliary coaling gear includes two motors, two worm screws, two
A 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 at the same time 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.
Preferably, low seam mining machinery spiral rotary drum type auxiliary coaling gear is vertically directed bar including four, four
It is vertically directed bar to be fixed on four apex angles of guiding fixed plate, is oriented to fixed plate and is fixed at enclosure top；Heighten
The pilot hole of bar cooperation is respectively arranged with and is vertically directed on four apex angles of roof supporting；Four are vertically directed bar and slide setting
In four pilot holes.The design had not only improved worm screw case and turbine box guiding accuracy, but also added during helix drum coalings
Low seam mining machinery spiral rotary drum type aids in the lateral support load-bearing rigidity of coaling gear.
Preferably, multi-diameter shaft is provided with the turbine, is socketed on multi-diameter shaft and is provided with helix drum, set on helix drum
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, improve helix drum service life, and can improve the internal stress distribution of coal body during helix drum is coaling, and lifting is coaling
Effect.
It is further preferred that the hemisphere jut is raised for spherical tungsten carbide series hard alloy.
It is further preferred that shown turbine and the multi-diameter shaft key connection.
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 threaded hole of dormant bolt and ladder shaft end；Dormant bolt while the internal thread hole with helix drum
It is connected；Make roller installation not only succinct, conveniently using the structure, but also can meet that roller is fixed and require, connection helix drum with
The dormant bolt of multi-diameter shaft, which is arranged in counter sink, can effectively prevent coal petrography from wearing and destroying caused by it.
It is further preferred that multi-diameter shaft is connected by the leading flank of bearing and cabinet；Axis 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 axis
Hold in rail cavity.
Still further preferably, it is both 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 outside 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 can ensure to completely cut off extraneous coal dust and chassis components when multi-diameter shaft moves up and down, and avoid coal dust etc. 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 the centre bore, internal thread hole after 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
It can effectively meet the requirement of roller installation dimension, and can guarantee that multi-diameter shaft installation, carrying size requirement.
Preferably, 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 for needing to realize helix drum for actual height of coalingging.Liquid
Pressure oil, which enters, heightens hydraulic cylinder, under the action of oil pressure, heightens piston and is stretched out from cylinder barrel, height-regulating support top plate is along vertical side
To during movement, the height-regulating support top plate heightened and fixed on piston is driven to move up and down, 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 forms third level deceleration device, while completes 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
Spend identical, not only avoid the directly contact of the helix drum coaling of auxiliary from not cutting coal breakage rock, but also can ensure the effectively 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
For the coal petrography of coal seam coalcutter conveying by aiding in the helix drum of coaling gear to convey again, 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；Since low seam mining machinery is cut
It is smaller to cut the depth of blade of portion's helix drum, its rate of coalingging is relatively low, there will be 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 coalcutter, can also be brought to pushing and sliding shifting frame tired
It is difficult, it is therefore desirable to which that it is cleared up；Designed by the present invention low seam mining machinery spiral rotary drum type auxiliary coaling gear be exactly
Designed based on this；
3) it is auxiliary when the roller of low seam mining machinery rises or lands 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 coalcutter 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 coalcutter for aiding in coaling gear is connected
Realization linkage is connect, is risen in coal mining machine roller with descent, aids in the roller of coaling gear to rise and land therewith；
Preferably, the roller height of adjustment low seam mining machinery is further included before starting coal mining operation in the step 2)
Step；Specified mining height is reached by adjusting the roller for heightening oil cylinder adjustment low seam mining machinery of 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 are greatly improved speed reducing ratio, are met low turn of helix drum using helical gear, turbine, worm structure
Speed requires；Worm position is fixed, and turbine moves up and down, that is, ensure that the helix drum rotation that turbine is driven is unaffected, again
Realize and coaling highly adjustable, expand and effectively coaling region；
2. the adjusting 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, ensure that
Planted agent's amount coaling etc. requires；Meanwhile the helix drum is low seam mining machinery cutting units helix drum loft not yet in effect
The cleaning plant of float coal, for the roller using no baffle arrangement, space opening of coalingging, rotating speed is relatively low, is not easy 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 box installed figure；
Fig. 6 is the profile in B-B directions in Fig. 5；
Fig. 7 is the structure diagram of guiding fixed plate of the present invention；
Fig. 8 is the structure diagram 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, be vertically directed bar 22, heighten hydraulic cylinder 17, turbine 7 and worm screw 15；The height-regulating support top plate 21, which slides, to be set
On bar 22 is vertically directed；The cylinder barrel for heightening hydraulic cylinder 17 is fixed at 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 engages connection with 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, the difference is that described 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.It not only can guarantee that the installation requirement of worm screw 15 and turbine 7 using the structure, but also can effectively reduce worm screw and turbine installs case
Body size, makes structure compacter.
Embodiment 3
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 2, the difference is 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 7 engagement place of turbine,
Connection.
Embodiment 4
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, the difference is that shown worm screw
15 and turbine 7 be vertically arranged；The height-regulating support top plate 21 is horizontally disposed.
Embodiment 5
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 1, the difference is that the deceleration
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 shaft key connection；3rd helical gear 11 and 15 key connection of worm screw.First helical gear 5 is engaged with the second helical gear 9,
Form primary speed-down；Second helical gear 9 and the engagement of the 3rd helical gear 11 form double reduction；Worm screw 15 forms three-level with turbine 7
Slow down.Gearratio can be effectively increased using the slowing-down structure, meet the requirement of the helix drum slow-speed of revolution, 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, the difference is that the bog-head coal
Layer Shearer Helical Drum formula auxiliary coaling gear includes two 2, two, motor deceleration systems of worm screw 15, two and two are heightened
Hydraulic cylinder 17；Two 2, two, motor worm screws 15, two heighten the both sides that hydraulic cylinder 17 is symmetrically arranged at turbine 7.This sets
Meter is driven at the same time using both sides bi-motor 2, both ensure that equipment power demand, and it is excessive to turn avoid single motor driving motor size
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, the difference is 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 fixed at
It is oriented on four apex angles of fixed plate 20, is oriented to fixed plate 20 and is fixed at 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 apex angle；Four are vertically directed bar 22 and are slidably arranged in four and lead
Into hole 6.The design had not only improved 19 guiding accuracy of worm screw case 3 and turbine box, but also added during helix drum is coaling and aid in
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, the difference is that the turbine
Multi-diameter shaft 8 is provided with 7, is socketed on multi-diameter shaft 8 and is provided with helix drum, helical blade 12 is provided with helix drum；It is described
12 surface of helix drum blade 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, and the internal stress distribution of coal body during helix drum is coaling can be improved, lift effect of loading coal.
Embodiment 9
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, the difference is that described spherical
Protrusion 13 is raised for spherical tungsten carbide series hard alloy.
Embodiment 10
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, the difference is that shown turbine
7 with 8 key connection of multi-diameter shaft.
Embodiment 11
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, the difference is that described 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, the difference is that described 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
Axis 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 threaded hole of terraced 8 end of axis coordinates；Dormant bolt 10 is connected with the internal thread hole of helix drum at the same time；Made using the structure
Not only succinctly, conveniently, but also can meet that roller is fixed and require, the dormant bolt 10 for connecting helix drum and multi-diameter shaft is set for roller installation
Wear and destroy caused by it in can effectively prevent coal petrography in counter sink 16.
Embodiment 13
Low seam mining machinery spiral rotary drum type auxiliary coaling gear as described in Example 8, the difference is 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, the difference is that the machine
The rectangular aperture passed through for multi-diameter shaft 8 is both provided with the leading flank and bearing cap accessory plate 23 of case 1；The width of the rectangular aperture
Spend and be adapted with the outside diameter of multi-diameter shaft 8；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 can ensure ladder
Extraneous coal dust and chassis components are completely cut off when axis 8 moves up and down, 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, the difference is that the rank
Terraced 8 one end of axis 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, the difference is that the ladder
The axial length of axis 8 is 3 times of helix drum axial length.The length can effectively meet roller installation dimension requirement and
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, the difference is that described 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 for needing to realize helix drum for actual height of coalingging.Liquid
Pressure oil, which enters, heightens hydraulic cylinder, under the action of oil pressure, heightens piston and is stretched out from cylinder barrel, height-regulating support top plate is along vertical side
To during movement, the height-regulating support top plate heightened and fixed on piston is driven to move up and down, 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 forms third level deceleration device, while completes interlocking for the direction of motion.
Embodiment 18
It is a kind of as follows using the method for aiding in coaling gear to mine 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
Work is highly identical, not only avoids the helix drum directly contact that auxiliary is coaling from not cutting coal breakage rock, but also can ensure have to cutting a 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
For the coal petrography of coal seam coalcutter conveying by aiding in the helix drum of coaling gear to convey again, 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；Since low seam mining machinery is cut
It is smaller to cut the depth of blade of portion's helix drum, its rate of coalingging is relatively low, there will be 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 coalcutter, can also be brought to pushing and sliding shifting frame tired
It is difficult, it is therefore desirable to which that it is cleared up；Designed by the present invention low seam mining machinery spiral rotary drum type auxiliary coaling gear be exactly
Designed based on this；
3) it is auxiliary when the roller of low seam mining machinery rises or lands 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 coalcutter 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 coalcutter for aiding in coaling gear is connected
Realization linkage is connect, is risen in coal mining machine roller with descent, aids in the roller of coaling gear to rise and land therewith；
Embodiment 19
Coal-mining method as described in Example 18, the difference is that starting also to wrap before coal mining operation in the step 2)
The step of including the roller height of adjustment low seam mining machinery；Adopted by adjusting the oil cylinder adjustment girdle of heightening of low seam mining machinery
The roller of coal machine, which reaches, specifies mining height；At the same time the tune for aiding in coaling gear that oil cylinder be connected is heightened with low seam mining machinery
The helix drum of the high adjustment of hydraulic cylinder 17 auxiliary coaling gear reaches identical height.
Claims (8)
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, be vertically directed bar, heighten hydraulic cylinder, worm gear 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 fixed at the bottom of cabinet, heightens heightening for hydraulic cylinder and piston and heightens branch
Support plate is fixedly connected；Worm gear is connected with worm engaging；The output shaft of motor is connected by deceleration system with worm screw；The worm gear
On be provided with multi-diameter shaft, on multi-diameter shaft socket be provided with helix drum, be provided with helical blade on helix drum；The spiral roll
Cylinder blade surface is provided with hemisphere jut；The worm gear and the multi-diameter shaft key connection；The axial cross section of the helical blade is
Trapezoidal, the inclination angle of helical blade is 15 °~20 °；The end center of the helix drum is provided with ladder hole, the ladder
Through 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
For 2~3 times of helix drum axial length；Multi-diameter shaft is connected by the leading flank of bearing and cabinet；Set in the cabinet
It is equipped with bearing cap accessory plate, the leading flank of bearing cap accessory plate and cabinet surrounds bearing guide chamber, and the bearing is slidably arranged in
The bearing guide intracavitary.
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 worm gear case are provided with high roof supporting, the worm and worm wheel are separately positioned in worm screw case and worm gear case；Institute
Worm and worm wheel are stated to be 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
Output shaft key connection；3rd helical gear and the worm screw key connection.
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 worm gear.
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 fixed at and lead
To on four apex angles of fixed plate, it is oriented to fixed plate and is fixed at enclosure top；Divide on four apex 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 machine
The rectangular aperture passed through for multi-diameter shaft is both provided with the leading flank and bearing cap accessory plate of case；The width of the rectangular aperture with
The outside 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 are connected with multi-diameter shaft interference fit；Described multi-diameter shaft one end pass through the bearing after with it is described
Worm gear connects；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.
7. a kind of utilize the method for aiding in coaling gear to mine described in claim 1-6 any one, it is characterised in that bag
It is as follows to include step：
1) auxiliary coaling gear is mounted between low seam mining machinery intermediate box and running part；It will aid in coaling gear
The oil cylinder of heightening for heightening hydraulic cylinder and low seam mining machinery connects, 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 coalcutter 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 lands, auxiliary dress
The helix drum of device for coal rises or lands therewith.
8. coal-mining method according to claim 7, it is characterised in that start also to wrap before coal mining operation in the step 2)
The step of including the roller height of adjustment low seam mining machinery；Adopted by adjusting the oil cylinder adjustment girdle of heightening of low seam mining machinery
The roller of coal machine, which reaches, specifies mining height；At the same time the tune for aiding in coaling gear that oil cylinder be connected is heightened with low seam mining machinery
The helix drum of high hydraulic cylinder adjustment auxiliary coaling gear reaches identical height.
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| CN201710278091.9A CN107060750B (en) | 2017-04-25 | 2017-04-25 | A kind of low seam mining machinery spiral rotary drum type auxiliary coaling gear and its application |
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| CN109281991A (en) * | 2018-11-19 | 2019-01-29 | 常州机电职业技术学院 | Straight line micromotion mechanism |
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| 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 |
| CN204911667U (en) * | 2015-07-29 | 2015-12-30 | 中国地质大学（武汉） | Automatic discharging device for ball mill |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2013351848A1 (en) * | 2012-11-26 | 2015-07-16 | Suhua LIU | A 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 |
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Patent Citations (5)
| 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 |
| CN204911667U (en) * | 2015-07-29 | 2015-12-30 | 中国地质大学（武汉） | Automatic discharging device for ball mill |
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