CN108166976A - A kind of classification pusher efficiently cutting device of coal mining machine and method - Google Patents
A kind of classification pusher efficiently cutting device of coal mining machine and method Download PDFInfo
- Publication number
- CN108166976A CN108166976A CN201810165293.7A CN201810165293A CN108166976A CN 108166976 A CN108166976 A CN 108166976A CN 201810165293 A CN201810165293 A CN 201810165293A CN 108166976 A CN108166976 A CN 108166976A
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- Prior art keywords
- roller
- speed
- gearbox
- hydraulic cylinder
- cutting
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- 238000005520 cutting process Methods 0.000 title claims abstract description 60
- 239000003245 coal Substances 0.000 title claims abstract description 53
- 238000005065 mining Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 230000003247 decreasing effect Effects 0.000 claims abstract description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 31
- 238000009826 distribution Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 239000003818 cinder Substances 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011084 recovery 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
- 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
- E21C35/18—Mining picks; Holders therefor
Landscapes
- 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)
- Harvesting Machines For Root Crops (AREA)
- Crushing And Grinding (AREA)
Abstract
A kind of classification pusher efficiently cutting device of coal mining machine and method, device includes fuselage, driving mechanism, rocking arm, posture adjustment hydraulic cylinder, gearbox, leveling hydraulic cylinder and three rollers, roller is circumferentially evenly equipped with several picks, and the pick size of three rollers is successively decreased and is distributed in axial gradient successively;Driving mechanism is hinged with fuselage; rocking arm is connected with driving mechanism; posture adjustment hydraulic cylinder is connected between fuselage and driving mechanism; gearbox is hinged with rocking arm; leveling hydraulic cylinder is connected between gearbox and rocking arm; gearbox is equipped with three power output shafts altogether, is followed successively by low speed, middling speed and high speed motive force output shaft, three rollers are packed in respectively on three power output shafts.The present invention uses three rollers to be promoted step by step with different picks and rotating speed realization, reduces cutting resistance, Pick Loss and cutting motor energy consumption;Coal cinder is uniform in size after cutting, gathering coal is avoided to be caving, wall caving and card chain phenomenon, reduces follow-up coal crusher workload, improves coal mining efficiency and conevying efficiency.
Description
Technical field
The invention belongs to coal mining technology field, more particularly to a kind of pusher efficient cutting device of coal mining machine of classification
And method.
Background technology
For traditional coalcutter, roller is similar to a cylinder, in cutting course, due to cutting depth
Larger, the cutting cambered surface of roller can be in contact with the coal wall interface of entire cutting depth, and pick and cutting motor needs is caused to hold
By huge load, so as to cause the huge energy consumption of the accelerated wear test of pick and cutting motor, and then increase in recovery process
Economic input.
Further more, when carrying out cutting operation by traditional coal mining machine roller, since cutting depth is larger, pick and coal wall circle
Huge vibration can be also generated in the collision process of face, thus be easy to cause phenomena such as being caving even wall caving of gathering coal, not only
It can lead to the increase of follow-up coal crusher workload or even drag conveyor can be caused card chain operating mode occur, so as to make coal
Production efficiency and conevying efficiency are greatly lowered.
Invention content
In view of the problems of the existing technology, the present invention provides a kind of classification pusher efficiently cutting device of coal mining machine and side
Method has abandoned conventional monomer formula roller designing scheme, has employed completely new Split roller designing scheme, and by three in gradient
The independent roller of distribution is formed, and three independent rollers are using different picks and different rotating speeds and promote step by step, can significantly drop
Low cutting resistance, Pick Loss and cutting motor energy consumption save production cost;Coal cinder after cutting is uniform in size, can be effective
Phenomena such as being caving even wall caving of gathering coal is avoided, follow-up coal crusher workload is effectively reduced, can prevent because of gathering coal
The operating modes such as drag conveyor card chain are caused, effectively improve the production efficiency and conevying efficiency of coal.
To achieve these goals, the present invention adopts the following technical scheme that:A kind of pusher efficiently coalcutter cutting of classification
Device, including fuselage, driving mechanism, rocking arm, posture adjustment hydraulic cylinder, gearbox, leveling hydraulic cylinder, the first roller, second tin roller and
Third roller;The driving mechanism is hinged with fuselage, and the rocking arm is fixedly connected with driving mechanism, described posture adjustment hydraulic cylinder one end
It is hinged on fuselage, the posture adjustment hydraulic cylinder other end is hinged in driving mechanism, and the height of rocking arm is carried out by posture adjustment hydraulic cylinder
Adjustment;The gearbox is hinged with rocking arm, and described leveling hydraulic cylinder one end is hinged on rocking arm, leveling hydraulic cylinder other end hinge
It is connected on gearbox, by leveling hydraulic cylinder, angle is adjusted between gearbox and rocking arm;The gearbox is equipped with three altogether
Root power output shaft is followed successively by low speed power output shaft, middling speed power output shaft and high speed motive force output shaft;First roller
It is fixedly mounted on low speed power output shaft, several first picks is circumferentially evenly equipped in the first roller;The second tin roller is fixed
On middling speed power output shaft, several second picks are circumferentially evenly equipped in second tin roller;The third roller is fixedly mounted
On high speed motive force output shaft, several third picks are circumferentially evenly equipped in third roller;First pick, the second pick and
The size of three picks is successively decreased successively;First roller, second tin roller and third roller distribution gradient in the axial direction.
Cutting motor is set in the housing of the driving mechanism, the first speedup tooth is provided in the housing of the rocking arm
Wheel group is provided with the second speed increasing gear group and third speed increasing gear group in the gearbox;The motor shaft of the cutting motor
It is fixedly connected with the low speed end tooth wheel shaft of the first speed increasing gear group, the low speed power output shaft of the gearbox is as the first speedup tooth
The high speed contrate-gear-type wheel shaft of wheel group, and low speed power output shaft also low speed end tooth wheel shaft as the second speed increasing gear group simultaneously;Institute
High speed contrate-gear-type wheel shaft of the middling speed power output shaft of gearbox as the second speed increasing gear group is stated, and middling speed power output shaft is also same
The low speed end tooth wheel shaft of Shi Zuowei third speed increasing gear groups;The high speed motive force output shaft of the gearbox is as third speed increasing gear
The high speed contrate-gear-type wheel shaft of group.
A kind of efficient coal-mining method employs the pusher efficient cutting device of coal mining machine of the classification, including walking as follows
Suddenly:
Step 1:Start posture adjustment hydraulic cylinder, synchronous adjustment rocking arm, gearbox, the first roller, second tin roller and third roller
Height;
Step 2:Start leveling hydraulic cylinder, adjust the angle between rocking arm and gearbox, until the first roller, the second rolling
The axle center of cylinder and third roller is in same level;
Step 3:Start cutting motor, pass sequentially through the first speed increasing gear group, the second speed increasing gear group and third speedup tooth
Wheel group imparts power to the first roller, second tin roller and third roller, and third roller is located at forefront and possesses maximum (top) speed,
Second tin roller is located at middle part and rotating speed is less than third roller, and the first roller is located at rearmost and rotating speed is less than second tin roller;
Step 4:Fuselage is controlled to advance, makes third roller coal wall on the outside of cutting at first, to reduce in the middle part of second tin roller cutting
Exploitation resistance during coal wall;With the advance of fuselage, make coal wall in the middle part of second tin roller cutting, to reduce on the inside of the first roller cutting
Exploitation resistance during coal wall;Continue that fuselage is controlled to advance, make coal wall on the inside of the last cutting of the first roller, until the first roller, the
Two rollers and third roller while cutting coal wall.
Beneficial effects of the present invention:
Compared with prior art, the present invention abandoned conventional monomer formula roller designing scheme, employ completely new split type
Roller designing scheme, and be made of the independent roller of three distribution gradients, three independent rollers use different picks and difference
It rotating speed and promotes step by step, cutting resistance, Pick Loss and cutting motor energy consumption can be greatly lowered, save production cost;It cuts
Coal cinder after cutting is uniform in size, can effectively avoid phenomena such as being caving even wall caving of gathering coal, effectively reduce follow-up coal cinder
Broken workload, can prevent the operating modes such as drag conveyor card chain caused by gathering coal, effectively improve coal production efficiency and
Conevying efficiency.
Description of the drawings
Fig. 1 is a kind of structure diagram of the pusher efficiently cutting device of coal mining machine of classification of the present invention;
Fig. 2 is a kind of vertical view of the pusher efficiently cutting device of coal mining machine (fuselage is not shown) of classification of the present invention;
In figure, 1-fuselage, 2-driving mechanism, 3-rocking arm, 4-posture adjustment hydraulic cylinder, 5-gearbox, 6-leveling hydraulic pressure
Cylinder, the 7-the first roller, 8-second tin roller, 9-third roller, 10-low speed power output shaft, 11-middling speed power output shaft,
12-high speed motive force output shaft, the 13-the first pick, the 14-the second pick, 15-third pick, 16-cutting motor, 17-the
One speed increasing gear group, the 18-the second speed increasing gear group, 19-third speed increasing gear group, 20-mining area coal seam.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1~2, a kind of pusher efficient cutting device of coal mining machine of classification including fuselage 1, driving mechanism 2, shakes
Arm 3, posture adjustment hydraulic cylinder 4, gearbox 5, leveling hydraulic cylinder 6, the first roller 7, second tin roller 8 and third roller 9;The driving machine
Structure 2 is hinged with fuselage 1, and the rocking arm 3 is fixedly connected with driving mechanism 2, and described 4 one end of posture adjustment hydraulic cylinder is hinged on the fuselage 1,
4 other end of posture adjustment hydraulic cylinder is hinged in driving mechanism 2, and the height of rocking arm 3 is adjusted by posture adjustment hydraulic cylinder 4;It is described
Gearbox 5 is hinged with rocking arm 3, and described 6 one end of leveling hydraulic cylinder is hinged on rocking arm 3, and 6 other end of leveling hydraulic cylinder is hinged on
On gearbox 5, by leveling hydraulic cylinder 6, angle is adjusted between gearbox 5 and rocking arm 3;The gearbox 5 is equipped with three altogether
Root power output shaft is followed successively by low speed power output shaft 10, middling speed power output shaft 11 and high speed motive force output shaft 12;Described
One roller 7 is fixedly mounted on low speed power output shaft 10, and circumferentially several first picks 13 are evenly equipped in the first roller 7;It is described
Second tin roller 8 is fixedly mounted on middling speed power output shaft 11, and circumferentially several second picks 14 are evenly equipped in second tin roller 8;Institute
It states third roller 9 to be fixedly mounted on high speed motive force output shaft 12, circumferentially several third picks 15 is evenly equipped in third roller 9;
The size of first pick 13, the second pick 14 and third pick 15 is successively decreased successively;First roller 7, second tin roller 8 and
The distribution gradient in the axial direction of third roller 9.
Cutting motor 16 in the housing of the driving mechanism 2 is set, the first increasing is provided in the housing of the rocking arm 3
Fast gear set 17 is provided with the second speed increasing gear group 18 and third speed increasing gear group 19 in the gearbox 5;The cutting electricity
The motor shaft of machine 16 and the low speed end tooth wheel shaft of the first speed increasing gear group 17 are fixedly connected with, the low speed power output of the gearbox 5
High speed contrate-gear-type wheel shaft of the axis 10 as the first speed increasing gear group 17, and low speed power output shaft 10 is also simultaneously as the second speedup tooth
The low speed end tooth wheel shaft of wheel group 18;High speed of the middling speed power output shaft 11 of the gearbox 5 as the second speed increasing gear group 18
End tooth wheel shaft, and middling speed power output shaft 11 goes back the low speed end tooth wheel shaft as third speed increasing gear group 19 simultaneously;The speed change
High speed contrate-gear-type wheel shaft of the high speed motive force output shaft 12 of case 5 as third speed increasing gear group 19.
In the present embodiment, the first speed increasing gear group 17 is altogether comprising six transmission gears, including a speed end gear and one
A low speed end tooth wheel, and smoothly there are four transition gear, six driving cogs for setting between speed end gear and low speed end tooth wheel
Wheel sequence engages, for the power of cutting motor 16 to be passed to low speed power output shaft 10.
In the present embodiment, the second speed increasing gear group 18 is altogether comprising three transmission gears, including a speed end gear and one
A low speed end tooth wheel, and between speed end gear and low speed end tooth wheel setting there are one transition gear, the transition gear with
The number of teeth of low speed end tooth wheel is identical, and three transmission gear sequences engage, for the power of low speed power output shaft 10 to be passed to
Middling speed power output shaft 11.
In the present embodiment, third speed increasing gear group 19 is altogether comprising three transmission gears, including a speed end gear and one
A low speed end tooth wheel, and set between speed end gear and low speed end tooth wheel there are one transition gear, the transition gear
The number of teeth is less than the number of teeth of low speed end tooth wheel, and three transmission gear sequences engage, for the power of middling speed power output shaft 11 to be passed
Pass high speed motive force output shaft 12.
A kind of efficient coal-mining method employs the pusher efficient cutting device of coal mining machine of the classification, including walking as follows
Suddenly:
Step 1:Start posture adjustment hydraulic cylinder 4, synchronous adjustment rocking arm 3, gearbox 5, the first roller 7, second tin roller 8 and the
The height of three rollers 9;
Step 2:Start leveling hydraulic cylinder 6, adjust the angle between rocking arm 3 and gearbox 5, until the first roller 7, the
The axle center of two rollers 8 and third roller 9 is in same level;
Step 3:Start cutting motor 16, pass sequentially through the first speed increasing gear group 17, the second speed increasing gear group 18 and third
Speed increasing gear group 19 imparts power to the first roller 7, second tin roller 8 and third roller 9, third roller 9 be located at forefront and
Possess maximum (top) speed, second tin roller 8 is located at middle part and rotating speed is less than third roller 9, and the first roller 7 is located at rearmost and rotating speed is small
In second tin roller 8;
Step 4:Control fuselage 1 advances, and makes the coal wall on the outside of cutting at first of third roller 9, to reduce by 8 cutting of second tin roller
Exploitation resistance during the coal wall of middle part;With the advance of fuselage 1, make coal wall in the middle part of 8 cutting of second tin roller, to reduce the first roller 7
Exploitation resistance on the inside of cutting during coal wall;Continue that fuselage 1 is controlled to advance, make coal wall on the inside of 7 last cutting of the first roller, Zhi Dao
One roller 7, second tin roller 8 and third roller 9 while cutting coal wall.
Scheme in embodiment is not the scope of patent protection to limit the present invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the claims of this case.
Claims (3)
1. a kind of pusher efficient cutting device of coal mining machine of classification, it is characterised in that:Including fuselage, driving mechanism, rocking arm, posture adjustment
Hydraulic cylinder, gearbox, leveling hydraulic cylinder, the first roller, second tin roller and third roller;The driving mechanism is mutually cut with scissors with fuselage
It connects, the rocking arm is fixedly connected with driving mechanism, and described posture adjustment hydraulic cylinder one end is hinged on fuselage, posture adjustment hydraulic cylinder other end hinge
It is connected in driving mechanism, the height of rocking arm is adjusted by posture adjustment hydraulic cylinder;The gearbox is hinged with rocking arm, described
Leveling hydraulic cylinder one end is hinged on rocking arm, and the leveling hydraulic cylinder other end is hinged on gearbox, by leveling hydraulic cylinder to becoming
Angle is adjusted between fast case and rocking arm;The gearbox is equipped with three power output shafts altogether, is followed successively by low speed power output
Axis, middling speed power output shaft and high speed motive force output shaft;First roller is fixedly mounted on low speed power output shaft,
One roller is circumferentially evenly equipped with several first picks;The second tin roller is fixedly mounted on middling speed power output shaft, in the second rolling
Cylinder is circumferential to be evenly equipped with several second picks;The third roller is fixedly mounted on high speed motive force output shaft, in third roller week
To being evenly equipped with several third picks;The size of first pick, the second pick and third pick is successively decreased successively;First rolling
Cylinder, second tin roller and third roller distribution gradient in the axial direction.
2. a kind of pusher efficient cutting device of coal mining machine of classification according to claim 1, it is characterised in that:In the drive
Setting cutting motor, is provided with the first speed increasing gear group, in the speed change in the housing of the rocking arm in the housing of motivation structure
The second speed increasing gear group and third speed increasing gear group are provided in case;The motor shaft of the cutting motor and the first speed increasing gear group
Low speed end tooth wheel shaft be fixedly connected with, the speed end gear of the low speed power output shaft of the gearbox as the first speed increasing gear group
Axis, and low speed power output shaft also low speed end tooth wheel shaft as the second speed increasing gear group simultaneously;The middle quick-action of the gearbox
High speed contrate-gear-type wheel shaft of the power output shaft as the second speed increasing gear group, and middling speed power output shaft is also simultaneously as third speedup tooth
The low speed end tooth wheel shaft of wheel group;Speed end gear of the high speed motive force output shaft of the gearbox as third speed increasing gear group
Axis.
3. a kind of efficient coal-mining method employs the pusher efficient cutting device of coal mining machine of classification described in claim 1, special
Sign is to include the following steps:
Step 1:Start posture adjustment hydraulic cylinder, synchronous adjustment rocking arm, gearbox, the first roller, second tin roller and third roller height
Degree;
Step 2:Start leveling hydraulic cylinder, adjust the angle between rocking arm and gearbox, until the first roller, second tin roller and
The axle center of third roller is in same level;
Step 3:Start cutting motor, pass sequentially through the first speed increasing gear group, the second speed increasing gear group and third speed increasing gear group
The first roller, second tin roller and third roller are imparted power to, third roller is located at forefront and possesses maximum (top) speed, and second
Roller is located at middle part and rotating speed is less than third roller, and the first roller is located at rearmost and rotating speed is less than second tin roller;
Step 4:Fuselage is controlled to advance, makes third roller coal wall on the outside of cutting at first, to reduce coal wall in the middle part of second tin roller cutting
When exploitation resistance;With the advance of fuselage, make coal wall in the middle part of second tin roller cutting, to reduce coal wall on the inside of the first roller cutting
When exploitation resistance;Continue that fuselage is controlled to advance, make coal wall on the inside of the last cutting of the first roller, until the first roller, the second rolling
Cylinder and third roller while cutting coal wall.
Priority Applications (1)
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CN201810165293.7A CN108166976B (en) | 2018-02-28 | 2018-02-28 | Hierarchical propulsion type high-efficiency coal cutter cutting device and method |
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CN201810165293.7A CN108166976B (en) | 2018-02-28 | 2018-02-28 | Hierarchical propulsion type high-efficiency coal cutter cutting device and method |
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CN108166976A true CN108166976A (en) | 2018-06-15 |
CN108166976B CN108166976B (en) | 2023-10-27 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108915682A (en) * | 2018-08-16 | 2018-11-30 | 辽宁工程技术大学 | A kind of multiaxis stagewise low energy consumption coal mining machine roller and coalcutter |
CN109139001A (en) * | 2018-10-31 | 2019-01-04 | 攀枝花学院 | Double-ended shearer for large-mining-height working surface |
US10180336B2 (en) * | 2016-01-15 | 2019-01-15 | Joy Global Underground Mining Llc | Support structure for rotary sensor |
CN110318748A (en) * | 2019-07-25 | 2019-10-11 | 山东科技大学 | A kind of high efficient driving coal mining combined unit |
CN110905503A (en) * | 2019-11-04 | 2020-03-24 | 天地科技股份有限公司 | Rocker arm cutting device, tunneling and anchoring machine and rocker arm cutting method |
CN111852469A (en) * | 2020-08-01 | 2020-10-30 | 袁和樑 | Coal mining machine for coal mining |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10180336B2 (en) * | 2016-01-15 | 2019-01-15 | Joy Global Underground Mining Llc | Support structure for rotary sensor |
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CN109139001A (en) * | 2018-10-31 | 2019-01-04 | 攀枝花学院 | Double-ended shearer for large-mining-height working surface |
CN110318748A (en) * | 2019-07-25 | 2019-10-11 | 山东科技大学 | A kind of high efficient driving coal mining combined unit |
CN110905503A (en) * | 2019-11-04 | 2020-03-24 | 天地科技股份有限公司 | Rocker arm cutting device, tunneling and anchoring machine and rocker arm cutting method |
CN111852469A (en) * | 2020-08-01 | 2020-10-30 | 袁和樑 | Coal mining machine for coal mining |
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