CN106761752B - A kind of girdle coal excavation apparatus and coal-mining method - Google Patents
A kind of girdle coal excavation apparatus and coal-mining method Download PDFInfo
- Publication number
- CN106761752B CN106761752B CN201710025153.5A CN201710025153A CN106761752B CN 106761752 B CN106761752 B CN 106761752B CN 201710025153 A CN201710025153 A CN 201710025153A CN 106761752 B CN106761752 B CN 106761752B
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- Prior art keywords
- coal
- helix drum
- hydraulic support
- curved baffle
- driving equipment
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- 239000003245 coal Substances 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005065 mining Methods 0.000 title claims abstract description 24
- 238000009412 basement excavation Methods 0.000 title claims description 19
- 230000003028 elevating effect Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 7
- 230000003245 working effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000032258 transport Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
Abstract
The invention discloses a kind of girdle equipment and coal-mining methods, including equipment have hydraulic support, driving equipment, curved baffle, helix drum, Universal drive case, elevating conveyor, belt conveyer, power and operating system, hydraulic support, driving equipment, curved baffle, helix drum is located in same coal working face, driving equipment is stuck in the track groove of hydraulic support, driving equipment is connected with Universal drive case and curved baffle respectively by transmission shaft and Hollow circular beam, driving equipment drives helix drum to rotate coal cutting by Universal drive case, transporting coal, curved baffle is located at helix drum rear.Device and method provided by the present invention are suitable for thin seam mining field, it cuts coal, transporting coal using the helix drum with pick, and production efficiency height is, it can be achieved that working face can greatly improve the resource recovery of girdle without change.
Description
Technical field:
The present invention is a kind of girdle coal excavation apparatus and coal-mining method, belongs to coal mine extractive equipment and coal-mining method field.
Background technique:
Along with the increasingly reduction of the coal recoverable reserves of medium-thickness seam, the exploitation of girdle has caused each Mining Group
Great attention.Current explored girdle resource reserve accounts for as many as 20% of coal gross reserves, however for girdle, often
The synthetic mechanical sampling equipment of rule is unable to normal use, and Mechanization Level is low, and existing recovery method, production efficiency is low, Gong Rengong
It is big to make intensity, cost of winning is high, and there is very big security risk.For the status of existing thin seam mining equipment scarcity,
Recovery method is not perfect, and the present invention proposes a kind of girdle coal excavation apparatus and method, and it is unmanned that it realizes working face, exploitation effect
Rate is high, at low cost, can solve the technical problem of thin seam mining, can greatly improve resource recovery, and there is popularization well to answer
With value.
Summary of the invention:
In view of the shortcoming of existing thin seam mining method, the object of the present invention is to provide a kind of girdle coal excavation apparatus
And coal-mining method, this method can effectively improve resource recovery, realize that thin seam working surface is unmanned.
In order to achieve the above objectives, the present invention is implemented according to following technical scheme:
A kind of girdle coal excavation apparatus includes: hydraulic support, driving equipment, curved baffle, helix drum, power with
Operating system, elevating conveyor and belt conveyer, hydraulic support, driving equipment, curved baffle, helix drum are located at the same coal mining
In working face, wherein helix drum is contacted with coal wall, and curved baffle is located at helix drum rear, and driving equipment is located at hydraulic support
Track groove in, and be connected respectively with Universal drive case and curved baffle by transmission shaft and Hollow circular beam, elevating conveyor and belt
Transporter is located in the stope drift active workings of the same side, and elevating conveyor is in the end of helix drum, and the axis direction with helix drum is in
0 ° -120 ° angles, belt conveyer connect with elevating conveyor, and power is located at the either side of two sides stope drift active workings with operating system.
Further, the helix drum is directly contacted with coal wall, is evenly distributed with pick thereon, it can be achieved that coal cutting,
While coal cutting, the helical structure of helix drum can be transported coal out of coal working face in the form of helical conveyer.
Further, the helix drum is multistage connection, is connected between two rollers by Universal drive case, and
Universal drive case is connected with transmission shaft, and the axis of two section helix drums is allowed to be not arranged on the same straight line.
Further, there is track groove on the hydraulic support foundation, driving equipment is stuck in track groove, is filled by passage
Being contracted in track groove for setting is slided back and forth, to realize the automatic passage of complete equipment.
Further, the curved baffle is located at helix drum rear, uses articulated structure between two sections of curved baffles
Connection, the ends of two short shutters of outermost are connected by two steel frame constructions with helix drum roller bearing, and with angle steel by its with
Subsequent Hollow circular beam is fixed into an overall structure.
Further, the power and operating system are located at the either side of two sides stope drift active workings comprising dynamic source
System and station two parts composition provide power for the whole series coal excavation apparatus, and control the operation of a whole set of coal excavation apparatus.
A kind of coal work method of girdle coal excavation apparatus, process flow include:
Step 1: equipment debugging is installed, stope drift active workings are tunneled, open-off cut, arrangement coal working face carry each equipment
It to coal working face and is assembled, hydraulic support lifting device rises, and so that hydraulic support is in artesian condition, at push unit
In contraction state；
Step 2: coal mining activity, push unit pushes forward Universal drive case and curved baffle, while driving equipment drives
Helix drum rotates forward, the impetus of push unit and transport, the common completion coal mining process of coal cutting effect of helix drum.
A conveying trough is collectively formed in curved baffle, coal wall and bottom plate, and helix drum is during completing coal cutting, while by coal-getter
Make in the coal helical feed to elevating conveyor cut in face, elevating conveyor again reprints coal to belt conveyer；
Step 3: device reset cycle operation, (completes the coal cutting of a circulation when push unit is elapsed to maximum distance
And transporting coal) after, hydraulic support lifting device reduces, and then using roller and curved baffle as stress point, passes through the receipts of push unit
Contracting pulls hydraulic support Forward, completes the coal mining process of a circulation, repeats above-mentioned link, complete nobody of entire working face
Change automatic back production.
Beneficial effects of the present invention:
1. coal excavation apparatus of the present invention realizes that coal cutting is integrated with transporting coal, it is not necessarily to drag conveyor, with helix drum
The mode of coal cutting, process is simple, and back production is efficient, securely and reliably.
2. coal-mining method of the present invention, which realizes thin coal seam unmanned, to be melted and adopt, resource recovery is greatly improved, machine
Tool automation achieves out to a certain extent breaks, and improves the operating environment of worker.
Detailed description of the invention:
When considered in conjunction with the accompanying drawings, by referring to following detailed description, it better understood when the present invention and be easy
Know many adjoint advantages, but the drawings described herein are used to provide a further understanding of the present invention, constitutes this hair
Bright a part, does not constitute improper limitations of the present invention, in which:
A kind of Fig. 1: girdle coal excavation apparatus rough package drawing
Fig. 2: coal working face sectional view；
Fig. 3: power and operating system schematic diagram；
Fig. 4: curved baffle schematic diagram；
Fig. 5: hydraulic support schematic diagram；
Fig. 6: driving equipment schematic diagram；
Fig. 7: helix drum schematic diagram；
Fig. 8: Universal drive case schematic diagram；
Fig. 9: process flow chart of the invention.
Specific embodiment:
- 8 the present invention will be described referring to Fig.1, and a kind of girdle coal excavation apparatus is by hydraulic support 3, driving equipment 4, arc
Shape baffle 2, helix drum 5, Universal drive case 6, power and operating system 1, elevating conveyor 7 and belt conveyer 8 form, wherein liquid
Pressure bracket 3, driving equipment 4, curved baffle 2 are arranged in same coal working face, elevating conveyor 7, belt conveyer 8 and power with
Operating system 1 is located at the either side in the tunnel of two sides back production lane, and elevating conveyor 7 is in the end of helix drum 5, and the two is substantially
Belong to vertical relation, belt conveyer 8 is connected with elevating conveyor 7, and power and steerable system 1 are by power source system 102 and operation bench
101 compositions, the equipment predominantly inside coal working face provide the operation of Power equipment and controlling equipment.Helix drum 5 is located at work
End is directly contacted with coal wall 9 in front, is disposed with helical structure 502 on entire roller bearing 503, is evenly distributed with pick 501 thereon,
During rolls forward, can be realized coal cutting it is synchronous with spiral transporting coal carry out, helix drum 5 be multistage connect, two sections it
Between be connected by Universal drive case 6, Universal drive case 6 includes gear housing 604, universal-joint fork 601, universal joint 602 and its interior
Two universal-joint forks 601 of portion's transmission device, outside are connected with the roller bearing 503 of two sides helix drum 5 respectively, it is ensured that two sections
Can be at an angle between helix drum 5, while Universal drive case 6 is also connected with transmission shaft 404, transmission shaft 404 passes through
Universal drive case 6 drives helix drum 5 to rotate coal cutting.Curved baffle 2 is located on rear side of helix drum 5, between two section curved baffles 2
It is connected by articulated structure 201, there is bearing hole 202 on articulated structure 201, transmission shaft 404 passes through it and 6 phase of Universal drive case
Even, outermost two short arc baffles 2 are connected by steel frame construction 13 with roller bearing 503, and pass through angle steel 14 and sky thereafter
Heart round bar 403 is fixed into an entirety, curved baffle 2 and coal wall 9 and bottom plate 11 forms a conveying trough, assists spiral roll jointly
Cylinder 5 transports coal to elevating conveyor 7 from coal working face, and elevating conveyor 7 again transports coal on belt conveyer 8.Hydraulic support 3
It is in coal working face rearmost, is contacted with overlying rock 10 and bottom plate 11, goaf 12 is followed by, hydraulic support 3 is mainly used
Protect driving equipment 4, lifting device 301 controls the lifting of hydraulic support 3, there is track groove 303 on the pedestal of hydraulic support 3,
The pedestal 405 of driving equipment 4 is just stuck in wherein, and is slided in track groove 303 under the action of push unit 302, driving
Equipment 4 is made of motor 401, speed change system 402, transmission shaft 404 and Hollow circular beam 403, wherein transmission shaft 404 and Hollow circular beam
403 are connected with Universal drive case 6 and curved baffle 2 respectively.
As shown in figure 9, a kind of process flow of girdle coal-mining method are as follows:
Step 1: equipment debugging is installed, stope drift active workings are tunneled, open-off cut, arrangement coal working face carry each equipment
It to coal working face and is assembled, hydraulic support lifting device rises, and so that hydraulic support is in artesian condition, at push unit
In contraction state；
Step 2: coal mining activity, push unit pushes forward Universal drive case and curved baffle, while driving equipment drives
Helix drum rotates forward, the impetus of push unit and transport, the common completion coal mining process of coal cutting effect of helix drum.
A conveying trough is collectively formed in curved baffle, coal wall and bottom plate, and helix drum is during completing coal cutting, while by coal-getter
Make in the coal helical feed to elevating conveyor cut in face, elevating conveyor again reprints coal to belt conveyer；
Step 3: device reset cycle operation, (completes the coal cutting of a circulation when push unit is elapsed to maximum distance
And transporting coal) after, hydraulic support lifting device reduces, and then using roller and curved baffle as stress point, passes through the receipts of push unit
Contracting pulls hydraulic support Forward, completes the coal mining process of a circulation, repeats above-mentioned link, complete nobody of entire working face
Change automatic back production.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of girdle coal excavation apparatus, includes: hydraulic support, driving equipment, curved baffle, helix drum, power and behaviour
Make system, elevating conveyor and belt conveyer, it is characterised in that: the hydraulic support, driving equipment, curved baffle, spiral roll
Cylinder is located in the same coal working face, and wherein helix drum is contacted with coal wall, and curved baffle is located at helix drum rear, driving
Equipment is located in the track groove of hydraulic support, and by transmission shaft and Hollow circular beam respectively with Universal drive case and curved baffle phase
Even, elevating conveyor and belt conveyer are located in the stope drift active workings of the same side, and elevating conveyor is in the end of helix drum, with helix drum
Axis direction be in 0 ° -120 ° angles, belt conveyer connects with elevating conveyor, and power is located at two sides back production lane with operating system
The either side in road；The Universal drive case includes having gear housing, universal-joint fork, universal joint and its internal transmission, outside
Two universal-joint forks be connected respectively with the roller bearing of two sides helix drum, while Universal drive case is also connected with transmission shaft, transmission
Axis drives helix drum to rotate coal cutting by Universal drive case.
2. a kind of girdle coal excavation apparatus according to claim 1, which is characterized in that the helix drum and coal wall are straight
Contact, is evenly distributed with pick thereon, it can be achieved that coal cutting, and while coal cutting, the helical structure of helix drum can be by coal from adopting
It is transported in the form of helical conveyer in coal working face.
3. a kind of girdle coal excavation apparatus according to claim 1, which is characterized in that the helix drum is multistage company
It connects, is connected between two rollers by Universal drive case, and Universal drive case is connected with transmission shaft, allow two section spiral rolls
The axis of cylinder is not arranged on the same straight line.
4. a kind of girdle coal excavation apparatus according to claim 1, which is characterized in that have on the hydraulic support foundation
Track groove, driving equipment are stuck in track groove, are slided back and forth by being contracted in track groove for push unit, to realize that the whole series are set
Standby automatic passage；Hydraulic support is mainly used to protect driving equipment, and lifting device controls the lifting of hydraulic support, hydraulic support
Pedestal on have track groove, the pedestal of driving equipment is just stuck in wherein, and sliding in track groove under the action of push unit
Dynamic, driving equipment is made of motor, speed change system, transmission shaft and Hollow circular beam, and wherein transmission shaft and Hollow circular beam are respectively with ten thousand
It is connected to transmission case with curved baffle.
5. a kind of girdle coal excavation apparatus according to claim 1, which is characterized in that the curved baffle is located at spiral
Roller rear is connected using articulated structure between two sections of curved baffles, and the end of two short shutters of outermost passes through two steelframes
Structure is connected with helix drum roller bearing, and it is fixed into an overall structure with subsequent Hollow circular beam with angle steel.
6. a kind of coal work method using girdle coal excavation apparatus as claimed in claim 4, it is characterised in that: described is thin
The coal-mining method process flow of coal seam coal excavation apparatus includes:
Step 1: equipment debugging is installed, stope drift active workings are tunneled, each equipment is transported to and adopts by open-off cut, arrangement coal working face
Coal working face is simultaneously assembled, and hydraulic support lifting device rises, and hydraulic support is made to be in artesian condition, and push unit, which is in, to be received
Contracting state；
Step 2: coal mining activity, push unit pushes forward Universal drive case and curved baffle, while driving equipment drives spiral
Roller rotates forward, the impetus of push unit and transport, the common completion coal mining process of coal cutting effect of helix drum；Arc
A conveying trough is collectively formed in baffle, coal wall and bottom plate, and helix drum is during completing coal cutting, while by coal working face
The coal helical feed to elevating conveyor cut on, elevating conveyor again reprints coal to belt conveyer；
Step 3: device reset cycle operation, when push unit is elapsed to maximum distance, the i.e. coal cutting and fortune of one circulation of completion
After coal, hydraulic support lifting device is reduced, and then using roller and curved baffle as stress point, by the contraction of push unit, is drawn
The Forward of hydrodynamic pressure bracket, completes the coal mining process of a circulation, repeats above-mentioned link, completes the unmanned automatic of entire working face
Back production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025153.5A CN106761752B (en) | 2017-01-13 | 2017-01-13 | A kind of girdle coal excavation apparatus and coal-mining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710025153.5A CN106761752B (en) | 2017-01-13 | 2017-01-13 | A kind of girdle coal excavation apparatus and coal-mining method |
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| Publication Number | Publication Date |
|---|---|
| CN106761752A CN106761752A (en) | 2017-05-31 |
| CN106761752B true CN106761752B (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710025153.5A Expired - Fee Related CN106761752B (en) | 2017-01-13 | 2017-01-13 | A kind of girdle coal excavation apparatus and coal-mining method |
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| Country | Link |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107201901B (en) * | 2017-07-11 | 2019-03-22 | 中国矿业大学 | Short distance high gas layer group's thin coal seam unmanned working face mining device and method |
| CN111677504A (en) * | 2020-06-19 | 2020-09-18 | 北京中矿创新联盟能源环境科学研究院 | Coal mining device and coal mining system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127303A (en) * | 1976-08-31 | 1978-11-28 | Taiheiyo Engineering Incorporated | Coal mining method at a long-walled pit face of the coal mine |
| US5769504A (en) * | 1996-03-11 | 1998-06-23 | Council Of Scientific & Industrial Research | Equipment for shortwall mining useful for extraction of pillars in underground coal mines |
| CN1932240A (en) * | 2006-09-21 | 2007-03-21 | 闫振东 | Full-seam cutting, retreating, separate moving and full-caving comprehensive mechanized coal mining method and equipment |
| CN201080824Y (en) * | 2007-05-29 | 2008-07-02 | 河北神风重型机械有限公司 | Thin coal bed cutter side arm type cutting means |
| CN102536244A (en) * | 2012-03-01 | 2012-07-04 | 山西中新唐山沟煤业有限责任公司 | Method for mining coal on automation working face of low-seam shearer loader |
| CN202578698U (en) * | 2012-03-15 | 2012-12-05 | 中国煤矿机械装备有限责任公司 | Novel thin seam coal mine downhole mining complete equipment |
-
2017
- 2017-01-13 CN CN201710025153.5A patent/CN106761752B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4127303A (en) * | 1976-08-31 | 1978-11-28 | Taiheiyo Engineering Incorporated | Coal mining method at a long-walled pit face of the coal mine |
| US5769504A (en) * | 1996-03-11 | 1998-06-23 | Council Of Scientific & Industrial Research | Equipment for shortwall mining useful for extraction of pillars in underground coal mines |
| CN1932240A (en) * | 2006-09-21 | 2007-03-21 | 闫振东 | Full-seam cutting, retreating, separate moving and full-caving comprehensive mechanized coal mining method and equipment |
| CN201080824Y (en) * | 2007-05-29 | 2008-07-02 | 河北神风重型机械有限公司 | Thin coal bed cutter side arm type cutting means |
| CN102536244A (en) * | 2012-03-01 | 2012-07-04 | 山西中新唐山沟煤业有限责任公司 | Method for mining coal on automation working face of low-seam shearer loader |
| CN202578698U (en) * | 2012-03-15 | 2012-12-05 | 中国煤矿机械装备有限责任公司 | Novel thin seam coal mine downhole mining complete equipment |
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