CN209621400U - Intelligent fully-mechanized mining equipment - Google Patents
Intelligent fully-mechanized mining equipment Download PDFInfo
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- CN209621400U CN209621400U CN201920009112.1U CN201920009112U CN209621400U CN 209621400 U CN209621400 U CN 209621400U CN 201920009112 U CN201920009112 U CN 201920009112U CN 209621400 U CN209621400 U CN 209621400U
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Abstract
The utility model relates to a kind of intelligent fully-mechanized mining equipments.This intelligence fully-mechanized mining equipment includes working surface hydraulic support, coalcutter, drag conveyor, elevating conveyor, belt conveyor, blower, pumping plant and downhole monitoring host, working surface hydraulic support includes the face end support of intermediate support and intermediate support both ends, hydraulic vertical prop and traction cylinder are respectively equipped on intermediate support and face end support, coalcutter, drag conveyor, elevating conveyor, belt conveyor, blower, pumping plant is respectively provided with driving motor, the cylinder body root of each hydraulic vertical prop is equipped with a mouthpiece, the mouthpiece is communicated with inner chamber of cylinder block, mouthpiece is equipped with a hydrostatic sensor, the utility model intelligence fully-mechanized mining equipment has filled up prior art blank, staff is allowed to pass through the hydraulic variation of Emulsion, variation of crushing is known at any time, fully-mechanized mining equipment monitoring is more reasonable, more comprehensively, major coal mine is widely used in use.
Description
Technical field
The utility model relates to a kind of intelligent fully-mechanized mining equipments.
Background technique
It is well known that hydraulic support is the important equipment of supported face, have to guarantee working face personnel and equipment safety
There is extremely important effect.Existing hydraulic support is discharged a row on working face, supported face top plate, after hydraulic support
Side is the goaf that top plate constantly collapses.Hydraulic support alternately walking Forward, move forward process, and hydraulic support needs to reduce high
Degree, disengaging and top plate contact, in addition, hydraulic support needs come into full contact with top plate, the hydraulic prop terminal valve of hydraulic support
It is in close state.Since Emulsion is incompressible, Emulsion is hydraulic in hydraulic prop synchronizes change with crushing
Change, by the hydraulic variation of Emulsion, can accurately monitor situation of crushing, but prior art Emulsion hydraulic sensing
Device, detection be all emulsification pump outlet hydraulic, the hydraulic variation of Emulsion in the hydraulic prop under weight bearing situations can not be detected.
Utility model content
The technical problems to be solved in the utility model is how to overcome the drawbacks described above of the prior art, and it is comprehensive to provide a kind of intelligence
Adopt equipment.
In order to solve the above technical problems, this intelligence fully-mechanized mining equipment, including the conveying of working surface hydraulic support, coalcutter, scraper plate
Machine, elevating conveyor, belt conveyor, blower, pumping plant and downhole monitoring host, working surface hydraulic support include intermediate support and centre
Hydraulic vertical prop and traction cylinder are respectively equipped on the face end support at bracket both ends, intermediate support and face end support, coalcutter, scraper plate are defeated
Machine, elevating conveyor, belt conveyor, blower, pumping plant is sent to be respectively provided with driving motor, it is characterised in that: downhole monitoring host is furnished with
Mining optical fiber grating (FBG) demodulator, coalcutter, drag conveyor, elevating conveyor, belt conveyor, blower, pumping plant driving motor point
Not She You mining optical fiber grating temperature sensor and mining optical fiber grating vibrating sensor, wherein mining optical fiber grating temperature sensing
Device is mounted at the output shaft of respective drive motor, and mining optical fiber grating vibrating sensor is mounted on respective drive motor housing
On, blower and pumping plant are also respectively provided with mining optical fiber grating pressure sensor, are separately mounted to the outlet and emulsion of blower
Outlet on, the cylinder body root of each hydraulic vertical prop is equipped with a mouthpiece, which communicates with inner chamber of cylinder block, mouthpiece
It is equipped with a hydrostatic sensor, hydrostatic sensor includes shell, chargeable storage, piezoelectric ceramic piece, radio transmitting collection
It compresses switch at circuit and survey, above-mentioned component connects into a controllable circuit, and radio transmitting integrated circuit includes signal amplification mould
Block, coding module and radio transmitting module, it is described to survey the cut-off radio that compresses switch when each working surface hydraulic support moves frame
The power supply for emitting integrated circuit is supplied, the specified maximum functional pressure of all hydraulic column common setups one,
The shell is cylindrical, and shell middle section is equipped with partition, which is divided into mistress and interior room, piezoelectric ceramics for shell
Piece is mounted on interior interior, and chargeable storage and radio transmitting integrated circuit are mounted on outer interior, and piezoelectric ceramic piece is in disk
Shape is enclosed with insulating layer on excircle, and upper and lower surface is respectively equipped with electrode slice, and above-mentioned electrode slice passes through lead and radio
The input terminal for emitting the signal amplification module of integrated circuit is connected, and chargeable storage is that radio emits integrated circuit,
Shell is equipped with explosion-proof charging interface, and explosion-proof charging interface connects with chargeable storage, and piezoelectric ceramic piece lower surface is additionally provided with
One bellow seal disk, bellow seal disk outer rim are equipped with copper gasket, and the interior room lower end is equipped with tapped through hole, tapped through hole
Upper end is equipped with annular rotary table, and the mouthpiece is equipped with corresponding external screw thread, and the shell installs above-mentioned connect by its tapped through hole
On mouth pipe, and bellow seal disk outer rim and copper gasket are clamped between mouthpiece and annular rotary table.
The downhole monitoring host is also equipped with mining optical fiber grating (FBG) demodulator and radio reception integrated circuit, and radio connects
Receiving integrated circuit includes radio reception module and decoder module.
Hydrostatic sensor is furnished with an own coding, and all hydraulic column surveys the synchronization that compresses switch under roof supporting state
Closure, each radio transmitting integrated circuit emitted the hydraulic letter of Emulsion that one acquisition arrives to downhole monitoring host every 10 seconds
Number, it is simultaneously emitted by the coding of corresponding hydrostatic sensor, downhole monitoring host is by the hydraulic sensing for each hydraulic vertical prop being collected into
The hydraulic vertical prop internal liquid pressure that device is sent is compared with specified maximum functional pressure,
If equal≤specified maximum work of the hydraulic vertical prop internal liquid pressure that the hydrostatic sensor of each hydraulic vertical prop is sent
Make pressure, then all hydraulic column is in normal operating conditions, and downhole monitoring host shows that each hydraulic vertical prop work is good, no
Any alarm is issued, continues to monitor；
If the specified maximum functional of hydraulic vertical prop internal liquid pressure > that the hydrostatic sensor of section hydraulic column is sent
Pressure, then the hydraulic vertical prop internal liquid sent respectively by the hydrostatic sensor of each hydraulic vertical prop of downhole monitoring Framework computing
The arithmetic average of pressure, and above-mentioned arithmetic average is compared with specified maximum functional pressure,
If the arithmetic average≤specified maximum functional pressure, each hydraulic vertical prop is in adjustable working state, manually
Or the height of the highest hydraulic prop of internal liquid pressure is reduced by downhole monitoring host, reducing height every time is 2-3 centimetres,
The height of the minimum hydraulic prop of internal liquid pressure is increased when necessary, and each adjustable height is 1 centimetre, until all hydraulic is vertical
Equal≤specified maximum functional pressure of column internal liquid pressure,
If the specified maximum functional pressure of arithmetic average >, each hydraulic vertical prop are in dangerous work state, pass through
Downhole monitoring host reduces the height of the highest hydraulic prop of internal liquid pressure, and reducing height every time is 2-3 centimetres, when necessary
The height of the minimum hydraulic prop of internal liquid pressure is increased, each adjustable height is 1 centimetre, until inside all hydraulic column
Equal≤specified maximum functional pressure of liquid pressure,
If the specified maximum work of the equal > of hydraulic vertical prop internal liquid pressure that the hydrostatic sensor of all hydraulic column is sent
Make pressure, then each hydraulic vertical prop is in high-risk working condition, and downhole monitoring host issues alarm, and notice working face personnel remove
From, meanwhile, the height of the highest hydraulic prop of internal liquid pressure is reduced by downhole monitoring host, reducing height every time is 2-
3 centimetres, until equal≤specified maximum functional pressure of all hydraulic column internal liquid pressure, and after face roof stabilization, well
Lower monitoring host computer reinforms staff and enters working face work.
It is designed in this way, the safety of effective equipment and personnel for having ensured working face.
As optimization, direction is moved towards along working face, eye is autotomyed and starts, every 10 meters, downhole monitoring host acquires a work
The hydraulic vertical prop internal liquid pressure for making face middle section hydraulic support, obtains a series of hydraulic vertical prop internal liquid pressure --- N1、N2、
N3..., downhole monitoring host is furnished with display screen, two-dimensional coordinate is shown in display screen, with above-mentioned hydraulic vertical prop internal liquid pressure
By force --- N1、N2、N3For ordinate, to be acquisition orders 1,2,3 ... for abscissa, display is corresponding respectively on two-dimensional coordinate
Point, and be sequentially connected with above-mentioned point, form a curve, while indicating specified maximum work with a horizontal line in the two-dimensional coordinate
Make pressure,
If the curve is representing the horizontal line of specified maximum functional pressure always hereinafter, steady fluctuation, illustrates working face liquid
Press bracket working properly, the curve is constantly in low level, and seldom fluctuation, then explanation is likely to occur face roof large area
It does not collapse, needs to carry out the pre- explosion of top plate,
If the curve increases suddenly, further whether working face is shifted at top plate tomography at this time for judgement, if work at this time
Make face to shift onto just at top plate tomography, and the curve is less than the horizontal line, then continue propulsioning face, while further prison
Control；
If working face is not at top plate tomography at this time, by the curve and it is adjacent exploited advance of the face forming curves into
Row compares, if the two trend is consistent, and the curve is less than the horizontal line, then continues propulsioning face, while further prison
Control,
If working face is not at top plate tomography at this time, which advance of the face forming curves phase has been exploited into adjacent
Compare, the two trend is not inconsistent, and the curve raises up, and has the tendency that the jump over horizontal line and possibility, then stops work immediately
Make face propulsion, staff withdraws, and after judging no danger by analysis expert, then staff enters back into working face operation.
It is designed in this way, when excavating track lane and belt lane, experienced coal mine working personnel can be according to the geology of top plate
Situation, predicts mode of crushing during the advance of the face, and progress can also obtain working face using the utility model and push away
The hydraulic change curve of Emulsion in load-bearing hydraulic prop when into process, and then deduce the advance of the face and crush variation rule
Mould can further grasp roof geological condition by the curve comparison in two neighboring exploiting field, further ensure that digging is pacified
Entirely.
The utility model intelligence fully-mechanized mining equipment has filled up prior art blank, and staff is allowed to pass through Emulsion liquid
Buckling knows variation of crushing at any time, and fully-mechanized mining equipment monitoring is more reasonable, more comprehensively, is widely used in major coal mine
It uses.
Detailed description of the invention
The utility model intelligence fully-mechanized mining equipment is described further with reference to the accompanying drawing:
Fig. 1 is the hydraulic vertical prop and the partial structural diagram of hydrostatic sensor thereon of this intelligence fully-mechanized mining equipment；
Fig. 2 is the curve graph that the downhole monitoring host adapted display screen of this intelligence fully-mechanized mining equipment is shown.
In figure: 1 being hydraulic vertical prop, 2 be mouthpiece, 3 be shell, 4 be chargeable storage, 5 be piezoelectric ceramic piece, 6 be
Radio transmitting integrated circuit, 7 be survey compress switch, 61 be signal amplification module, 62 be coding module, 63 be radio emit mould
Block, 8 be partition, 9 be insulating layer, 10 be electrode slice, 11 be lead, 12 be explosion-proof charging interface, 13 be bellow seal disk, 14 be
Copper gasket, 15 be annular rotary table, 16 be piston shoes, 17 be top plate, L is the cross for indicating the specified maximum functional pressure of hydraulic vertical prop
Line.
Solid line is the curve of the emulsion hydraulic formation of current exploiting field fully-mechanized mining working hydraulic prop in Fig. 2；Dotted line is phase
The curve that the emulsion hydraulic of adjacent last time exploiting field fully-mechanized mining working hydraulic prop is formed.
Specific embodiment
Embodiment one: this intelligence fully-mechanized mining equipment includes intelligent fully-mechanized mining equipment, including working surface hydraulic support, coalcutter,
Drag conveyor, elevating conveyor, belt conveyor, blower, pumping plant and downhole monitoring host, working surface hydraulic support include intermediate branch
Frame and the face end support at intermediate support both ends are respectively equipped with hydraulic vertical prop 1 and traction cylinder on intermediate support and face end support, mine
Machine, drag conveyor, elevating conveyor, belt conveyor, blower, pumping plant are respectively provided with driving motor, it is characterised in that: downhole monitoring
Host is furnished with mining optical fiber grating (FBG) demodulator, the drive of coalcutter, drag conveyor, elevating conveyor, belt conveyor, blower, pumping plant
Dynamic motor is respectively equipped with mining optical fiber grating temperature sensor and mining optical fiber grating vibrating sensor, wherein mining optical fiber grating
Temperature sensor is mounted at the output shaft of respective drive motor, and mining optical fiber grating vibrating sensor is mounted on respective drive electricity
On machine shell, blower and pumping plant are also respectively provided with mining optical fiber grating pressure sensor, be separately mounted to blower outlet and
On the outlet of emulsion, as shown in Figure 1, the cylinder body root of each hydraulic vertical prop 1 be equipped with a mouthpiece 2, the mouthpiece 2 with
Inner chamber of cylinder block communicates, and mouthpiece 2 is equipped with a hydrostatic sensor.Hydrostatic sensor includes shell 3, chargeable storage 4, pressure
Electroceramics piece 5, radio transmitting integrated circuit 6 and survey compress switch 7, and above-mentioned component connects into a controllable circuit, radio hair
Penetrating integrated circuit 6 includes signal amplification module 61, coding module 62 and radio transmitting module 63, each working surface hydraulic support
When moving frame, the power supply supply of the radio transmitting integrated circuit for surveying 7 cuttings that compress switch, all hydraulic column common setups one
A specified maximum functional pressure.
The shell 3 is cylindrical, and 3 middle section of shell is equipped with partition 8, which divides shell 3 for mistress and interior room, pressure
Electroceramics piece 5 is mounted on interior interior, and chargeable storage 4 and radio transmitting integrated circuit 6 are mounted on outer interior, piezoelectric ceramics
Piece 5 is in disk form, and insulating layer 9 is enclosed on excircle, and upper and lower surface is respectively equipped with electrode slice 10, and above-mentioned electrode slice 10 is logical
It crosses lead 11 to be connected with the input terminal of the signal amplification module 61 of radio transmitting integrated circuit, chargeable storage 4 is wireless
Electricity transmitting integrated circuit, shell 3 are equipped with explosion-proof charging interface 12, explosion-proof charging interface 12 and 4 phase of chargeable storage
It connecing, 5 lower surface of piezoelectric ceramic piece is additionally provided with a bellow seal disk 13, and 13 outer rim of bellow seal disk is equipped with copper gasket 14,
The interior room lower end is equipped with tapped through hole, and tapped through hole upper end is equipped with annular rotary table 15, and the mouthpiece 2 is equipped with corresponding outer spiral shell
Line, the shell 3 is installed on above-mentioned mouthpiece 2 by its tapped through hole, and 13 outer rim of bellow seal disk and copper gasket 14
It is clamped between mouthpiece 2 and annular rotary table 15.
The downhole monitoring host is also equipped with mining optical fiber grating (FBG) demodulator and radio reception integrated circuit, and radio connects
Receiving integrated circuit includes radio reception module and decoder module, and figure omits.
Hydrostatic sensor is furnished with an own coding, and all hydraulic column surveys the synchronization that compresses switch under roof supporting state
Closure, each radio transmitting integrated circuit emitted the hydraulic letter of Emulsion that one acquisition arrives to downhole monitoring host every 10 seconds
Number, it is simultaneously emitted by the coding of corresponding hydrostatic sensor, downhole monitoring host is by the hydraulic sensing for each hydraulic vertical prop being collected into
The hydraulic vertical prop internal liquid pressure that device is sent is compared with specified maximum functional pressure,
If equal≤specified maximum work of the hydraulic vertical prop internal liquid pressure that the hydrostatic sensor of each hydraulic vertical prop is sent
Make pressure, then all hydraulic column is in normal operating conditions, and downhole monitoring host shows that each hydraulic vertical prop work is good, no
Any alarm is issued, continues to monitor；
If the specified maximum functional of hydraulic vertical prop internal liquid pressure > that the hydrostatic sensor of section hydraulic column is sent
Pressure, then the hydraulic vertical prop internal liquid sent respectively by the hydrostatic sensor of each hydraulic vertical prop of downhole monitoring Framework computing
The arithmetic average of pressure, and above-mentioned arithmetic average is compared with specified maximum functional pressure,
If the arithmetic average≤specified maximum functional pressure, each hydraulic vertical prop is in adjustable working state, manually
Or the height of the highest hydraulic prop of internal liquid pressure is reduced by downhole monitoring host, reducing height every time is 2-3 centimetres,
The height of the minimum hydraulic prop of internal liquid pressure is increased when necessary, and each adjustable height is 1 centimetre, until all hydraulic is vertical
Equal≤specified maximum functional pressure of column internal liquid pressure,
If the specified maximum functional pressure of arithmetic average >, each hydraulic vertical prop are in dangerous work state, pass through
Downhole monitoring host reduces the height of the highest hydraulic prop of internal liquid pressure, and reducing height every time is 2-3 centimetres, when necessary
The height of the minimum hydraulic prop of internal liquid pressure is increased, each adjustable height is 1 centimetre, until inside all hydraulic column
Equal≤specified maximum functional pressure of liquid pressure,
If the specified maximum work of the equal > of hydraulic vertical prop internal liquid pressure that the hydrostatic sensor of all hydraulic column is sent
Make pressure, then each hydraulic vertical prop is in high-risk working condition, and downhole monitoring host issues alarm, and notice working face personnel remove
From, meanwhile, the height of the highest hydraulic prop of internal liquid pressure is reduced by downhole monitoring host, reducing height every time is 2-
3 centimetres, until equal≤specified maximum functional pressure of all hydraulic column internal liquid pressure, and after face roof stabilization, well
Lower monitoring host computer reinforms staff and enters working face work.
Downhole monitoring host is furnished with display screen, moves towards direction along working face, autotomys eye and start, every 10 meters, downhole monitoring
Host acquires the hydraulic vertical prop internal liquid pressure of one action face middle section hydraulic support, obtains a series of hydraulic vertical prop internal liquids
Pressure --- N1、N2、N3..., two-dimensional coordinate is shown on a display screen, with above-mentioned hydraulic vertical prop internal liquid pressure --- N1、
N2、N3For ordinate, to show corresponding point respectively on two-dimensional coordinate for acquisition orders 1,2,3 ... for abscissa, and it is suitable
The above-mentioned point of secondary connection, forms a curve, while indicating specified maximum working pressure with horizontal line L in the two-dimensional coordinate
By force, as shown in Figure 2.
If the curve is representing the horizontal line of specified maximum functional pressure always hereinafter, steady fluctuation, illustrates working face liquid
Press bracket working properly, the curve is constantly in low level, and seldom fluctuation, then explanation is likely to occur face roof large area
It does not collapse, needs to carry out the pre- explosion of top plate,
If the curve increases suddenly, further whether working face is shifted at top plate tomography at this time for judgement, if work at this time
Make face to be advanced to just at top plate tomography, and the curve is less than the horizontal line, then continues propulsioning face, while further
Monitoring；
If working face is not at top plate tomography at this time, by the curve and it is adjacent exploited advance of the face forming curves into
Row compares, if the two trend is consistent, and the curve is less than the horizontal line, then continues propulsioning face, while further prison
Control,
If working face is not at top plate tomography at this time, which advance of the face forming curves phase has been exploited into adjacent
Compare, the two trend is not inconsistent, and the curve raises up, and has the tendency that the jump over horizontal line and possibility, then stops work immediately
Make face propulsion, staff withdraws, and after judging no danger by analysis expert, then staff enters back into working face operation.
Claims (1)
1. a kind of intelligence fully-mechanized mining equipment, including working surface hydraulic support, coalcutter, drag conveyor, elevating conveyor, Belt Conveying
Machine, blower, pumping plant and downhole monitoring host, working surface hydraulic support include the end branch at intermediate support and intermediate support both ends
Hydraulic vertical prop and traction cylinder, coalcutter, drag conveyor, elevating conveyor, belt are respectively equipped on frame, intermediate support and face end support
Conveyer, blower, pumping plant are respectively provided with driving motor, it is characterised in that: downhole monitoring host is demodulated equipped with mining optical fiber grating
Instrument, coalcutter, drag conveyor, elevating conveyor, belt conveyor, blower, pumping plant driving motor be respectively equipped with mine optical fiber light
Grid temperature sensor and mining optical fiber grating vibrating sensor, wherein mining optical fiber grating temperature sensor is mounted on respective drive
At the output shaft of motor, mining optical fiber grating vibrating sensor is mounted on respective drive motor housing, and blower and pumping plant also divide
Not Pei You mining optical fiber grating pressure sensor, be separately mounted on the outlet of blower and the outlet of emulsion,
The cylinder body root of each hydraulic vertical prop is equipped with a mouthpiece, which communicates with inner chamber of cylinder block, and mouthpiece is equipped with
One hydrostatic sensor, hydrostatic sensor include shell, chargeable storage, piezoelectric ceramic piece, radio transmitting integrated circuit
It compresses switch with survey, above-mentioned component connects into a controllable circuit, and radio transmitting integrated circuit includes signal amplification module, coding
Module and radio transmitting module, it is described to survey the cut-off radio transmitting collection that compresses switch when each working surface hydraulic support moves frame
It is supplied at the power supply of circuit, the specified maximum functional pressure of all hydraulic column common setups one,
The shell is cylindrical, and shell middle section is equipped with partition, which is divided into mistress and interior room, piezoelectric ceramic piece peace for shell
Mounted in interior interior, chargeable storage and radio transmitting integrated circuit are mounted on outer interior, and piezoelectric ceramic piece is in disk form,
Insulating layer is enclosed on excircle, upper and lower surface is respectively equipped with electrode slice, and above-mentioned electrode slice is emitted by lead and radio
The input terminal of the signal amplification module of integrated circuit is connected, and chargeable storage is that radio emits integrated circuit, shell
It is equipped with explosion-proof charging interface, explosion-proof charging interface connects with chargeable storage, and piezoelectric ceramic piece lower surface is additionally provided with one
Bellow seal disk, bellow seal disk outer rim are equipped with copper gasket, and the interior room lower end is equipped with tapped through hole, tapped through hole upper end
Equipped with annular rotary table, the mouthpiece is equipped with corresponding external screw thread, and the shell is mounted on above-mentioned interface by its tapped through hole
Guan Shang, and bellow seal disk outer rim and copper gasket are clamped between mouthpiece and annular rotary table,
The downhole monitoring host is also equipped with mining optical fiber grating (FBG) demodulator and radio reception integrated circuit, radio reception collection
It include radio reception module and decoder module at circuit, hydrostatic sensor is furnished with an own coding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009112.1U CN209621400U (en) | 2019-01-03 | 2019-01-03 | Intelligent fully-mechanized mining equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009112.1U CN209621400U (en) | 2019-01-03 | 2019-01-03 | Intelligent fully-mechanized mining equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621400U true CN209621400U (en) | 2019-11-12 |
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ID=68448787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920009112.1U Active CN209621400U (en) | 2019-01-03 | 2019-01-03 | Intelligent fully-mechanized mining equipment |
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| CN (1) | CN209621400U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441548A (en) * | 2019-01-03 | 2019-03-08 | 兖州煤业股份有限公司 | Intelligent fully-mechanized mining equipment |
| WO2022095202A1 (en) * | 2020-11-05 | 2022-05-12 | 河南理工大学 | Fiber grating intelligent coal-rock identification device for shearer drum |
-
2019
- 2019-01-03 CN CN201920009112.1U patent/CN209621400U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441548A (en) * | 2019-01-03 | 2019-03-08 | 兖州煤业股份有限公司 | Intelligent fully-mechanized mining equipment |
| CN109441548B (en) * | 2019-01-03 | 2024-02-20 | 兖矿能源集团股份有限公司 | Intelligent fully-mechanized mining equipment |
| WO2022095202A1 (en) * | 2020-11-05 | 2022-05-12 | 河南理工大学 | Fiber grating intelligent coal-rock identification device for shearer drum |
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