CN110195586A - A kind of device and method improving coalcutter working seam thickness using abradant jet - Google Patents
A kind of device and method improving coalcutter working seam thickness using abradant jet Download PDFInfo
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- CN110195586A CN110195586A CN201910481202.5A CN201910481202A CN110195586A CN 110195586 A CN110195586 A CN 110195586A CN 201910481202 A CN201910481202 A CN 201910481202A CN 110195586 A CN110195586 A CN 110195586A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 claims abstract description 72
- 238000005520 cutting process Methods 0.000 claims abstract description 69
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000003447 ipsilateral effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 9
- 238000005065 mining Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 102000016938 Catalase Human genes 0.000 description 1
- 108010053835 Catalase Proteins 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/60—Slitting by jets of water or other liquid
-
- 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
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a kind of device and methods that coalcutter working seam thickness is improved using abradant jet, wherein device includes scrapper conveyor and the double-ended shearer that is mounted on scrapper conveyor, the double-ended shearer includes roller, cutting arm, oil cylinder and fuselage is turned up, abradant jet generator is mounted on fuselage, the two sides of fuselage are separately connected a cutting arm, the two sides of fuselage are installed by one height-regulating oil cylinder respectively, the cutting arm that oil cylinder side corresponding thereto is turned up is connected, the side of cutting arm end is provided with roller, several mechanical picks are provided in the cylindrical outer wall of roller, high pressure nozzle II there are two being also set up in the cylindrical outer wall of roller, one end of the side connection high pressure nozzle frame of cutting arm end, the other end of high pressure nozzle frame is equipped with high pressure nozzle I, high pressure nozzle frame is rotated relative to the connecting shaft of cutting arm, high pressure spray Mouth I and high pressure nozzle II are all connected with abradant jet generator.It is strong, high-efficient that the present invention exploits high, the broken coal petrography ability of coal petrography height.
Description
Technical field
The invention belongs to coal-mining technique fields more particularly to a kind of utilization abradant jet to improve coalcutter working seam thickness
Device and method, section cutting is realized to coal petrography, thus using exploitation disturbance and coal petrography be self-possessed and make coal petrography it is automatic it is broken fall, fit
For high coal seam coal petrography or the coal petrography of complicated seam.
Background technique
2015, " BP world energy sources statistical yearbook " was pointed out: China is still the world's largest energy-consuming state, Zhan Quanqiu
23% and the whole world of consumption figure have a net increase of long 61%；Coal resources consumption accounts for the 66.03% of total quantity consumed, following one section very long
There is irreplaceable status as China's main body energy in period." National Program for Medium-to Long-term Scientific and Technological Development
(2006~2020) " it explicitly points out: it needs to reinforce coal resources safety high-efficiency mining energetically and using technical research, be distinctly claimed
Primary study deep layer and bad ground ore body mining technique.
Currently, coal mining is mainly based on machine cuts coal petrography, such recovery method when encountering high coal seam coal petrography very
Difficult effective exploitation, it is low for the adjustment flexibility of coal seam height, be not suitable for the exploitation of wandering coal, in the meeting that works long hours
Cause to exploit being seriously worn for mechanism, working face Dust Capacity is big, it is difficult to the effective efficiency for improving coal petrography exploitation, and when long
Between cut or cutting process in encounter solid rock, it is easy to make temperature increase or generate spark and cause gas explosion, make
At immeasurable consequence.High-pressure water jet broken rock is one and utilizes high energy " water arrow " impact grinding, erosion and water wedge effect
Fractured rock technology has been used in the engineerings such as oil drilling, mining and catalase, but current jet application
It is mainly used for the auxiliary of mechanical rock breaking, its structure is complicated, and operating process is cumbersome, and pure water jets rock breaking capacity is limited, this is all tight
Weight constrains the Fast Algorithm for Mining of coal petrography.
Summary of the invention
Goal of the invention: it in order to solve the problems in the prior art, is adopted the present invention provides a kind of using abradant jet raising
The device and method of coal machine working seam thickness, the device and method feature strong using abradant jet rock breaking capacity, to coal petrography
Realize section cutting, thus using exploitation disturbance and coal petrography be self-possessed and make coal petrography it is automatic it is broken fall, improve coal petrography production efficiency and peace
Entirely, to realize the safety and high efficiency to high coal seam and complicated seam.
Technical solution: to achieve the above object, the technical solution adopted by the present invention are as follows:
A kind of device improving coalcutter working seam thickness using abradant jet, including scrapper conveyor and it is mounted on scrapper conveyor
On double-ended shearer, the double-ended shearer includes roller, cutting arm, oil cylinder and fuselage is turned up, fill on the fuselage
It is loaded with abradant jet generator, the two sides of fuselage are separately connected a cutting arm, and a height-regulating oil is installed in the two sides of fuselage respectively
Cylinder, the cutting arm that oil cylinder side corresponding thereto is turned up are connected, and the side of the cutting arm end is provided with roller, the circle of roller
It is provided with several mechanical picks on column outer wall, is also set up in the cylindrical outer wall of the roller there are two high pressure nozzle II, described section
One end of the side connection high pressure nozzle frame of arm end is cut, the other end of high pressure nozzle frame is equipped with high pressure nozzle I, high pressure nozzle
Frame is rotated relative to the connecting shaft of cutting arm, and the high pressure nozzle I and high pressure nozzle II are all connected with abradant jet generator.
Further, two high pressure nozzle II on the same roller rotate movement, and this relative to roller
The central axes of two high pressure nozzle II are located on the same line, and the high pressure nozzle II is located at cylinder circle of the roller close to outside
Zhou Shang.
Further, the high pressure nozzle frame is straight up, high and on roller when two high pressure nozzle II state in a vertical shape
The high pressure nozzle I at the top of injection nozzle carrier is pressed to be higher than the high pressure nozzle II on ipsilateral roller therewith.
Further, the scrapper conveyor is a track, and the double-ended shearer moves horizontally in orbit.
Further, two cutting arms are arranged in front and back, and in setting up and down, under being located at simultaneously positioned at the cutting arm in front
Side, the cutting arm that is located behind while being located above.
A method of coalcutter working seam thickness is improved using abradant jet, comprising the following steps:
The first step, adjustment space posture:
Before coal petrography exploitation, the adjustment of spatial attitude is realized to the cutting arm of two sides first with the height-regulating oil cylinder, is made
Two cutting arm one is located at eminence, another is located at lower, then adjusts two high pressure nozzle II mono- on the same roller
On be once in vertical position, adjust high pressure nozzle frame, so that high pressure nozzle frame is turned to position straight up, guarantee ipsilateral
High pressure nozzle I is in the coplanar top position two high pressure nozzle II for side of being corresponding to it；
Second step, broken coal petrography and slot:
After adjusting cutting arm, high pressure nozzle II and high pressure nozzle, coal petrography is crushed using roller, it is same with this
When, the abradant jet that abradant jet generator generates is projected from high pressure nozzle I and high pressure nozzle II respectively, the abradant jet of injection
Three cracks are cut out on coal petrography；
Third step, cutting section:
Double-ended shearer is walked on scrapper conveyor along horizontal direction, and each cutting arm moves up in the horizontal direction therewith
Dynamic, roller is crushed coal petrography in the horizontal direction, and three cracks that abradant jet is cut out on coal petrography with moving up in the horizontal direction
It moves and forms two sections.
Further, in the step 2, in three cracks, one is the abradant jet projected in high pressure nozzle I, in coal
The horizontal fracture cut out on rock, two are the abradant jets projected in two high pressure nozzle II, and what is cut out on coal petrography splits vertically
Seam.
Further, in the step 3, two sections include upper surface and front end face, and additionally there are break under one
Face, in which: the lower section of underlying cutting arm is formed by the cylinder crushing coal petrography of the cutting arm of lower section, is located at upper
The lower section of the cutting arm of side is the abradant jet projected by the pressure nozzle I on the high pressure nozzle frame on cutting arm below
It is formed.
Further, three sections keep coal petrography hanging, and hanging coal petrography discharges in coal seam energy storage, exploits disturbance and is self-possessed
Under the action of automatic broken can fall.
The utility model has the advantages that compared with prior art, the invention has the following advantages:
The feature that the present invention makes full use of high-pressure abradant jet current cutting power strong rapidly realizes the cutting of coal petrography section,
Hanging coal petrography automatically broken can be fallen due to exploitation disturbance and self weight etc. after cutting.The present invention has exploitation coal petrography height
High, the broken advantages such as coal petrography ability is strong, high-efficient and dust-producing amount is low, and exploit the adjustment of coal petrography height flexibly, may be implemented
The exploitation of wandering coal has good facilitation to the mechanical mining in coal seam.Used abradant jet is green safely
Color is pollution-free, and cutting temperature is lower, effectively improves traditional cutting mode and is easy to produce high temperature and spark and causes watt
The shortcomings that this explosion, there are important social effect and economic benefit to the development of coal in China industry.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of double-ended shearer in the present invention；
Fig. 2 is the stereoscopic schematic diagram of double-ended shearer in the present invention；
Fig. 3 is the structural schematic diagram of cutting arm in the present invention；
In figure: 1, rock；2, coal petrography；3, double-ended shearer；3-1, roller；3-1-1, mechanical pick；3-1-2, high pressure
Nozzle II；3-2, cutting arm；3-3, oil cylinder is turned up；4, abradant jet generator；5, high pressure nozzle frame；5-1, high pressure nozzle I；6,
Scrapper conveyor.
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1-3, a kind of device that coalcutter working seam thickness is improved using abradant jet, including scrapper conveyor 6
With the double-ended shearer 3 being mounted on scrapper conveyor 6, scrapper conveyor 6 is a track, and the double-ended shearer 3 is in orbit
It moves horizontally, the double-ended shearer 3 includes roller 3-1, cutting arm 3-2, oil cylinder 3-3 and fuselage 3-4, the machine is turned up
Abradant jet generator 4 is mounted on body 3-4, the two sides of fuselage 3-4 are separately connected a cutting arm 3-2, the two sides of fuselage 3-4
One height-regulatings oil cylinder 3-3 is installed respectively, the cutting arm 3-2 of the side corresponding thereto height-regulating oil cylinder 3-3 is connected, the cutting arm 3-
The side of 2 ends is provided with roller 3-1, and several mechanical pick 3-1-1, the roller are provided in the cylindrical outer wall of roller 3-1
It is also set up in the cylindrical outer wall of 3-1 there are two high pressure nozzle II3-1-2, the side of the end the cutting arm 3-2 connects high pressure spray
One end of mouth frame 5, the other end of high pressure nozzle frame 5 are equipped with high pressure nozzle I5-1, and high pressure nozzle frame 5 is relative to cutting arm 3-2
Connecting shaft rotation, the high pressure nozzle I5-1 and high pressure nozzle II3-1-2 are all connected with abradant jet generator 4.Preferably,
Two cutting arm 3-2 are arranged in front and back, and in setting up and down, the cutting arm 3-2 positioned at front is located below simultaneously, is located behind
Cutting arm 3-2 be located above simultaneously.
Two high pressure nozzle II3-1-2 being preferably located on the same roller 3-1 rotate fortune relative to roller
It is dynamic, and the central axes of the two high pressure nozzles II3-1-2 are located on the same line, the high pressure nozzle II3-1-2 is located at rolling
Cylinder 3-1 is on the cylindrical circumference in outside.
Preferably, straight up, and the upper two high pressure nozzle II3-1-2 of roller 3-1 are in a vertical shape for the high pressure nozzle frame 5
When state, the high pressure nozzle I5-1 at 5 top of high pressure nozzle frame is higher than the high pressure nozzle II3-1-2 on ipsilateral roller 3-1 therewith.
A method of improving coalcutter working seam thickness using abradant jet, in coal seam to be exploited, coal petrography 2 it is upper
Face is rock 1, comprising the following steps:
The first step, adjustment space posture:
Before the exploitation of coal petrography 2, spatial attitude is realized first with cutting arm 3-2 of the height-regulating oil cylinder 3-3 to two sides
Adjustment makes two cutting arm 3-2 mono- to be located at eminence, another is located at lower, then adjusts two on the same roller 3-1
High pressure nozzle II3-1-2 is in vertical position one on the other, adjusts high pressure nozzle frame 5, make high pressure nozzle frame 5 turn to vertically to
On position, guarantee that ipsilateral high pressure nozzle I5-1 is in the coplanar top two high pressure nozzle II3-1-2 for side of being corresponding to it
Position；
Second step, broken coal petrography and slot:
After adjusting cutting arm 3-2, high pressure nozzle II3-1-2 and high pressure nozzle I5-1, using roller 3-1 to coal petrography
2 are crushed, and at the same time, the abradant jet that abradant jet generator 4 generates is respectively from high pressure nozzle I5-1 and high pressure nozzle
II3-1-2 is projected, and the abradant jet of injection cuts out three cracks on coal petrography 2；
Third step, cutting section:
Double-ended shearer 3 is walked on scrapper conveyor 6 along horizontal direction, and each cutting arm 3-2 is therewith in the horizontal direction
Upper movement, roller 3-1 are crushed coal petrography 2 in the horizontal direction, and three cracks that abradant jet is cut out on coal petrography 2 are in level
It is moved on direction and forms two sections.
In particular, in three cracks, one is the abradant jet projected in high pressure nozzle I5-1 in the step 2,
The horizontal fracture cut out on coal petrography 2, two are the abradant jets projected in two high pressure nozzle II3-1-2, on coal petrography 2
The vertical crack cut out.
In particular, two sections include upper surface and front end face, and additionally there are break under one in the step 3
Face, in which: the lower section of underlying cutting arm 3-2 is to be crushed coal petrography by the roller 3-1 of the cutting arm 3-2 of lower section to be formed
, the lower section for the cutting arm 3-2 being located above is by the pressure nozzle on the high pressure nozzle frame 5 on cutting arm 3-2 below
What the abradant jet that I5-1 is projected was formed.
In particular, three sections keep coal petrography 2 hanging, hanging coal petrography 2 coal seam energy storage release, exploitation disturbance and from
It automatically broken can be fallen under the action of weight.
Above step one to three is repeated, until coal petrography digging is completed.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of device that coalcutter working seam thickness is improved using abradant jet, including scrapper conveyor (6) and it is mounted on scraper plate
Double-ended shearer (3) on machine (6), which is characterized in that the double-ended shearer (3) includes roller (3-1), cutting arm
(3-2), oil cylinder (3-3) and fuselage (3-4) is turned up, is mounted with abradant jet generator (4), fuselage (3- on the fuselage (3-4)
4) two sides are separately connected a cutting arm (3-2), and a height-regulating oil cylinder (3-3) is installed in the two sides of fuselage (3-4) respectively, are turned up
The cutting arm (3-2) of oil cylinder (3-3) side corresponding thereto is connected, and the side of cutting arm (3-2) end is provided with roller
(3-1) is provided with several mechanical picks (3-1-1), the cylindrical outer wall of the roller (3-1) in the cylindrical outer wall of roller (3-1)
On also set up there are two high pressure nozzle II (3-1-2), side connection high pressure nozzle frame (5) of cutting arm (3-2) end
One end, the other end of high pressure nozzle frame (5) are equipped with high pressure nozzle I (5-1), and high pressure nozzle frame (5) is relative to cutting arm (3-2)
Connecting shaft rotation, the high pressure nozzle I (5-1) and high pressure nozzle II (3-1-2) are all connected with abradant jet generator (4).
2. the device according to claim 1 for improving coalcutter working seam thickness using abradant jet, which is characterized in that
Two high pressure nozzle II (3-1-2) on the same roller (3-1) rotate movement relative to roller, and the two are high
The central axes of pressure nozzle II (3-1-2) are located on the same line, and the high pressure nozzle II (3-1-2) is located at roller (3-1) and leans on
On the cylindrical circumference in nearly outside.
3. the device according to claim 1 for improving coalcutter working seam thickness using abradant jet, which is characterized in that
The high pressure nozzle frame (5) straight up, and when roller (3-1) upper two high pressure nozzle II (3-1-2) state in a vertical shape, high pressure
High pressure nozzle I (5-1) at the top of injection nozzle carrier (5) is higher than the high pressure nozzle II (3-1-2) on ipsilateral roller (3-1) therewith.
4. the device according to claim 1 for improving coalcutter working seam thickness using abradant jet, which is characterized in that
The scrapper conveyor (6) is a track, and the double-ended shearer (3) moves horizontally in orbit.
5. the device according to claim 1 for improving coalcutter working seam thickness using abradant jet, which is characterized in that
Two cutting arms (3-2) are arranged in front and back, and in setting up and down.
6. the device according to claim 5 for improving coalcutter working seam thickness using abradant jet, which is characterized in that
Cutting arm (3-2) positioned at front is located below simultaneously, the cutting arm (3-2) being located behind while being located above.
7. a kind of side for improving coalcutter working seam thickness using abradant jet based on any described device of claim 1-6
Method, which comprises the following steps:
The first step, adjustment space posture:
Before coal petrography (2) exploitation, spatial attitude is realized first with cutting arm (3-2) of height-regulating oil cylinder (3-3) to two sides
Adjustment, make two cutting arms (3-2) one be located at eminence, another is located at lower, then adjusts on the same roller (3-1)
Two high pressure nozzle II (3-1-2) be in vertical position one on the other, adjust high pressure nozzle frame (5), make high pressure nozzle frame (5)
Position straight up is turned to, guarantees that ipsilateral high pressure nozzle I (5-1) is in two high pressure nozzle II of side of being corresponding to it
(3-1-2) coplanar top position；
Second step, broken coal petrography and slot:
It is right using roller (3-1) after adjusting cutting arm (3-2), high pressure nozzle II (3-1-2) and high pressure nozzle I (5-1)
Coal petrography (2) is crushed, and at the same time, the abradant jet that abradant jet generator (4) generates is respectively from high pressure nozzle I (5-1)
It is projected with high pressure nozzle II (3-1-2), the abradant jet of injection cuts out three cracks on coal petrography (2)；
Third step, cutting section:
Double-ended shearer (3) is walked on scrapper conveyor (6) along horizontal direction, and each cutting arm (3-2) is therewith in level side
Move up, roller (3-1) in the horizontal direction be crushed coal petrography (2), three cracks that abradant jet is cut out on coal petrography (2) with
Move in the horizontal direction and form two sections.
8. the method according to claim 7 for improving coalcutter working seam thickness using abradant jet, which is characterized in that
In the step 2, in three cracks, one is the abradant jet projected in high pressure nozzle I (5-1), is cut out on coal petrography (2)
Horizontal fracture, two are the abradant jets projected in two high pressure nozzle II (3-1-2), and it is vertical to cut out on coal petrography (2)
Crack.
9. the method according to claim 7 for improving coalcutter working seam thickness using abradant jet, which is characterized in that
In the step 3, two sections include upper surface and front end face, and additionally there are a lower sections, in which: underlying
The lower section of cutting arm (3-2) is to be crushed coal petrography by the roller (3-1) of the cutting arm (3-2) of lower section to be formed, is located above
The lower section of cutting arm (3-2) is by the pressure nozzle I (5-1) on the high pressure nozzle frame (5) on cutting arm (3-2) below
What the abradant jet of injection was formed.
10. the method according to claim 9 for improving coalcutter working seam thickness using abradant jet, feature exist
In three sections make coal petrography (2) vacantly, and hanging coal petrography (2) is under the action of coal seam energy storage discharges, exploitation disturbs and self weight
Automatically it broken can fall.
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|---|---|---|---|
| CN201910481202.5A CN110195586B (en) | 2019-06-04 | 2019-06-04 | Device and method for improving thickness of coal seam mined by coal mining machine by using abrasive jet flow |
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| CN201910481202.5A CN110195586B (en) | 2019-06-04 | 2019-06-04 | Device and method for improving thickness of coal seam mined by coal mining machine by using abrasive jet flow |
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