CN111550241A - Automatic change double drum coal-winning machine - Google Patents

Automatic change double drum coal-winning machine Download PDF

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Publication number
CN111550241A
CN111550241A CN202010448904.6A CN202010448904A CN111550241A CN 111550241 A CN111550241 A CN 111550241A CN 202010448904 A CN202010448904 A CN 202010448904A CN 111550241 A CN111550241 A CN 111550241A
Authority
CN
China
Prior art keywords
coal
machine main
coal mining
base
main part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010448904.6A
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Chinese (zh)
Inventor
张福建
陈子琦
沈洁
许文浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Huamei Electromechanical Co ltd
Original Assignee
Suzhou Huamei Electromechanical Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Huamei Electromechanical Co ltd filed Critical Suzhou Huamei Electromechanical Co ltd
Priority to CN202010448904.6A priority Critical patent/CN111550241A/en
Publication of CN111550241A publication Critical patent/CN111550241A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/06—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 OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
    • E21C29/22—Propulsion of machines for slitting or completely freeing the mineral from the seam by wheels, endless tracks or the like
    • 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
    • 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
    • E21C35/187—Mining picks; Holders therefor with arrangement of fluid-spraying nozzles
    • 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
    • E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle

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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)
  • General Engineering & Computer Science (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

The invention discloses an automatic double-drum coal mining machine, and mainly relates to the field of mining machinery. Including the coal machine main part, both sides all are equipped with the cylinder support around the coal machine main part, the bottom of cylinder support is equipped with the linking arm, the bottom of linking arm is equipped with first pneumatic cylinder, the bottom of coal machine main part is equipped with elevating gear, the elevating gear bottom is equipped with the base, the bottom of base is equipped with pulls the frame, one side of base is equipped with the second pneumatic cylinder, both ends all are equipped with the processing storehouse around the coal machine main part, the one end level that the top of processing storehouse is close to the cylinder support is equipped with the conveyer belt, and the downside level of conveyer belt is equipped with the water catch bowl, the middle part of coal machine main part is equipped with. The invention has the beneficial effects that: it can be adjusted the angle of cutting and adopting as required, and can swing on the horizontal direction, can carry out preliminary drying process to the coal cinder, can reduce the transportation burden, reduces the production accident, guarantees production safety.

Description

Automatic change double drum coal-winning machine
Technical Field
The invention relates to the field of mining machinery, in particular to an automatic double-drum coal mining machine.
Background
The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production, and the mechanical coal mining can reduce physical labor, improve safety and achieve the purposes of high yield, high efficiency and low consumption. At present, most coal mining rollers of the existing double-roller coal mining machine can only swing in the vertical direction, the cut coal wall is vertically downward, due to the complexity of coal bed distribution, production accidents are easy to happen in fault structure ranges and places with broken coal walls and soft top plates by adopting a vertically downward cutting mode, and the transportation burden is increased due to the large moisture of cut coal blocks.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an automatic double-drum coal mining machine capable of horizontally swinging and adjusting a cutting angle, which can adjust the cutting angle according to needs, can swing in the horizontal direction, can perform primary drying treatment on coal blocks, can reduce transportation burden, reduce production accidents and ensure production safety.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an automatic double-drum coal mining machine comprises a coal machine main body, wherein drum supports are arranged on the front side and the rear side of the coal machine main body, one end of each drum support is hinged with the coal machine main body, a coal mining drum is arranged at the other end of each drum support, a connecting arm is arranged at the bottom of each drum support, a first hydraulic cylinder is arranged at the bottom end of each connecting arm, one end of each first hydraulic cylinder is hinged with the corresponding connecting arm, the other end of each first hydraulic cylinder is hinged with the corresponding coal machine main body, a lifting device is arranged at the bottom of the coal machine main body, a base is arranged at the bottom of the lifting device, a traction frame is arranged at the bottom of the base and is in sliding connection with the traction frame, the sliding direction of the base is perpendicular to the walking direction of the traction frame, a second hydraulic cylinder is arranged on one side of, the front end and the rear end of the coal machine main body are respectively provided with a processing bin, the lower part of the side wall of the coal machine main body is provided with a discharge port communicated with the processing bin, the bottom of the coal machine main body is provided with an inclined bottom plate, the height of one end, close to the discharge port, of the inclined bottom plate is smaller than that of one end, far away from the discharge port, of the inclined bottom plate, the height of one end, close to the discharge port, of the inclined bottom plate and the height of the bottom end of the discharge port are positioned on the same horizontal plane, one end, close to a roller support, of the top of the processing bin is horizontally provided with a conveying belt, the length of the conveying belt is smaller than that of the processing bin, the conveying belt is provided with a plurality of drain holes, the lower side of the conveying belt is horizontally, the coal mining machine is characterized in that a control chamber is arranged in the middle of the coal mining machine main body, cameras are arranged at the front end and the rear end of the control chamber, a control center and a wireless transmission module are arranged in the control chamber, and the first hydraulic cylinder, the second hydraulic cylinder, the lifting device, the wireless transmission module, the cameras and the coal mining roller are all in signal connection with the control center.
Preferably, the lifting device comprises a third hydraulic cylinder vertically installed on the base, four guide posts are arranged on the base in an array mode, and guide holes matched with the guide posts are formed in the coal machine main body.
Preferably, a coal baffle plate which is adaptive to the coal mining roller is arranged on the roller bracket.
Preferably, a U-shaped pipe is arranged on the roller support along the length direction of the coal mining roller, a plurality of spray heads are arranged on the U-shaped pipe, the U-shaped pipe is connected with a water pump, and the coal mining roller is located on the inner side of the U-shaped pipe.
Preferably, be equipped with the mounting bracket that suits with the camera on the outer wall of control room, be equipped with the articulated shaft on the mounting bracket, articulated shaft and mounting bracket fixed connection, the mounting bracket passes through the articulated shaft and articulates with the control room, be equipped with the motor of being connected with the articulated shaft transmission on the control room, motor and control center signal connection.
Compared with the prior art, the invention has the beneficial effects that:
the first hydraulic cylinder is telescopic, so that the angle between the roller support and the coal machine main body can be adjusted, the cutting and mining angle of the coal mining roller can be adjusted, and the cutting and mining angle can be adjusted as required; the lifting device drives the coal machine main body to move up and down, so that the coal cutting and mining can be carried out vertically and vertically; the traction frame moves horizontally to swing in one horizontal direction for cutting, and the second hydraulic cylinder stretches and retracts to drive the coal machine main body to move, so that the coal machine main body swings in the other horizontal direction for cutting and can swing in the horizontal direction; the coal blocks cut off are conveyed to the processing bin through the conveying belt, in the conveying process, a part of water on the coal blocks is dripped into the water collecting tank through the water draining hole, and a part of water is evaporated by the drying machine, so that preliminary drying treatment can be performed on the coal blocks, the transportation burden can be reduced, the production accident can be reduced, and the production safety can be ensured.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a control schematic of the present invention.
The reference numbers in the drawings: 1. a coal machine main body; 2. a drum support; 3. a coal mining roller; 4. a connecting arm; 5. a first hydraulic cylinder; 6. a lifting device; 7. a base; 8. a tractor frame; 9. a second hydraulic cylinder; 10. a traveling wheel; 11. a processing bin; 12. a discharge port; 13. an inclined floor; 14. a conveyor belt; 15. a water collection tank; 16. a support frame; 17. a dryer; 18. a control room; 19. a camera; 20. a guide post; 21. a coal baffle plate; 22. a U-shaped pipe; 23. a spray head; 24. and (7) mounting frames.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): as shown in the attached drawing 1, the invention provides an automatic double-drum coal mining machine, which comprises a coal mining machine main body 1, wherein drum brackets 2 are arranged on the front side and the rear side of the coal mining machine main body 1, one end of each drum bracket 2 is hinged with the coal mining machine main body 1 through a hinge piece, and a coal mining drum 3 is arranged at the other end of each drum bracket 2. Preferably, in order to prevent the coal from splashing to the top of the coal machine main body 1, the roller bracket 2 is provided with a coal blocking plate 21 adapted to the coal mining roller 3, the coal blocking plate 21 is an arc-shaped plate and located on the upper side of the coal mining roller 3, two ends of the coal blocking plate 21 are provided with connecting plates, and the coal blocking plate 21 is welded on the roller bracket 2 through the connecting plates. Further, in order to guarantee the service life of the coal mining roller, a U-shaped pipe 22 is arranged on the roller support 2 along the length direction of the coal mining roller 3, a plurality of spray heads 23 are arranged on the U-shaped pipe 22, the U-shaped pipe 22 is connected with a water pump, the coal mining roller 3 is located on the inner side of the U-shaped pipe 22, the spray heads 23 spray water to a cutting face, and then the coal mining roller 3 is cooled, so that the service life of the coal mining roller is guaranteed. The bottom welding of drum support 2 has linking arm 4, the bottom of linking arm 4 is equipped with first pneumatic cylinder 5, the one end of first pneumatic cylinder 5 is passed through the articulated elements and is articulated with linking arm 4, and the other end passes through the articulated elements and is articulated with coal machine main part 1, and first pneumatic cylinder 5 is flexible can adjust the angle between drum support 2 and the coal machine main part 1, can adjust the angle of cutting and adopting of coal mining cylinder 3, can adjust the angle of cutting and adopting as required. The bottom of coal machine main part 1 is equipped with elevating gear 6, 6 bottoms of elevating gear are equipped with base 7, and elevating gear 6 drives the coal machine main part and reciprocates, can carry out the straight cutting of going up directly down and adopt, elevating gear 6 includes vertical four third pneumatic cylinders of installing on base 7, and is preferred, the array is equipped with four guide posts 20 on the base 7, the vertical welding of guide post 20 is on base 7, be equipped with the guiding hole that suits with guide post 20 on the coal machine main part 1, utilize the cooperation of guide post 20 and guiding hole, can guarantee the vertical reciprocating of coal machine main part 1, can guarantee the straight stability of cutting of going up directly down and adopt. The bottom of the base 7 is provided with a traction frame 8, and the traction frame 8 is used for driving the invention to move. The coal mining machine is characterized in that the base 7 is connected with the traction frame 8 in a sliding mode, the sliding direction of the base 7 is perpendicular to the walking direction of the traction frame 8, sliding grooves are formed in the top of the traction frame 8 along the width direction of the traction frame 8, channel steel can be directly adopted as the sliding grooves, two sliding grooves are formed, sliding blocks matched with the sliding grooves are welded at the bottom of the base 7, a second hydraulic cylinder 9 is arranged on one side of the base 7, the length direction of the second hydraulic cylinder 9 is parallel to the width direction of the traction frame 8, one end of the second hydraulic cylinder 9 is connected with the base 7 through a bolt, the other end of the second hydraulic cylinder 9 is connected with the traction frame 8 through a bolt, walking wheels 10 are installed at the bottom of the traction frame 8, the traction frame 8 moves horizontally to drive the coal mining roller 3 to swing and cut in one horizontal direction, the second hydraulic cylinder 9 can drive the coal mining machine, can swing in the horizontal direction. Both ends all are equipped with processing storehouse 11 around the coal machine main part 1, and the opening is left at the top in processing storehouse 11, the lower part of the lateral wall of coal machine main part 1 is equipped with the discharge gate 12 with processing storehouse 11 intercommunication, the bottom of coal machine main part 1 is equipped with inclined floor 13, the height that inclined floor 13 is close to the one end of discharge gate 12 is less than the height that inclined floor 13 kept away from the one end of discharge gate 12, the height that inclined floor 13 is close to the one end of discharge gate 12 and the height of the bottom of discharge gate 12 are located same horizontal plane, the one end level that the top of processing storehouse 11 is close to cylinder support 2 is equipped with conveyer belt 14, and conveyer belt 14 carries the coal cinder of cutting and mining to inclined floor 13 on, and the coal cinder is discharged through discharge gate 12 after inclined floor 13 landing to discharge gate 12 by self. The length of the conveying belt 14 is smaller than that of the processing bin 11, a plurality of drain holes are formed in the conveying belt 14, a part of water on the coal briquette drops into the water collecting tank through the drain holes, the water collecting tank 15 is horizontally arranged on the lower side of the conveying belt 14, the water collecting tank 15 is welded in the processing bin 11, the length of the water collecting tank 15 is smaller than that of the conveying belt 14, the coal briquette can be guaranteed to drop on the inclined bottom plate 13, and when the conveying belt 14 conveys the coal briquette, a part of water on the coal briquette drops into the water collecting tank 15 through the drain holes. A supporting frame 16 is arranged on the upper side of the conveying belt 14, a dryer 17 is installed at the top of the supporting frame 16, and when the conveying belt 14 conveys the coal briquettes, part of water on the coal briquettes is evaporated by the dryer 17. The middle part of coal machine main part 1 is equipped with control room 18, both ends all are equipped with camera 19 around control room 18, and camera 19 is used for shooing the cutting and adopts the state, and is preferred, be equipped with the mounting bracket 24 that suits with camera 19 on the outer wall of control room 18, be equipped with the articulated shaft on the mounting bracket 24, articulated shaft and mounting bracket 24 fixed connection, mounting bracket 24 passes through the articulated shaft and is articulated with control room 18, be equipped with the motor of being connected with the articulated shaft transmission on the control room 18, motor and control center signal connection can adjust the shooting angle of camera 19 to obtain clear cutting and adopt the state. The control room 18 is internally provided with a control center and a wireless transmission module, as shown in figure 2, the first hydraulic cylinder 5, the second hydraulic cylinder 9, the lifting device 6, the wireless transmission module, the camera 19, the coal mining roller 3 and the motor are all in signal connection with the control center, so that the operation of the coal mining machine can be controlled remotely, the coal blocks can be subjected to primary drying treatment, the transportation burden is reduced, the production accidents are reduced, and the production safety is ensured.

Claims (5)

1. The utility model provides an automatic change double drum coal-winning machine, includes coal machine main part (1), both sides all are equipped with drum bracket (2) around coal machine main part (1), the one end and the coal machine main part (1) of drum bracket (2) are articulated, and coal mining cylinder (3), its characterized in that are installed to the other end: the coal mining machine is characterized in that a connecting arm (4) is arranged at the bottom of the roller support (2), a first hydraulic cylinder (5) is arranged at the bottom of the connecting arm (4), one end of the first hydraulic cylinder (5) is hinged to the connecting arm (4), the other end of the first hydraulic cylinder is hinged to the coal mining machine main body (1), a lifting device (6) is arranged at the bottom of the coal mining machine main body (1), a base (7) is arranged at the bottom of the lifting device (6), a traction rack (8) is arranged at the bottom of the base (7), the base (7) is in sliding connection with the traction rack (8), the sliding direction of the base (7) is perpendicular to the walking direction of the traction rack (8), a second hydraulic cylinder (9) is arranged at one side of the base (7), one end of the second hydraulic cylinder (9) is connected with the base (7), the other end of the second hydraulic cylinder is connected with the traction rack (, the front end and the rear end of the coal machine main body (1) are respectively provided with a processing bin (11), the lower part of the side wall of the coal machine main body (1) is provided with a discharge hole (12) communicated with the processing bin (11), the bottom of the coal machine main body (1) is provided with an inclined bottom plate (13), the height of one end, close to the discharge hole (12), of the inclined bottom plate (13) is smaller than the height of one end, far away from the discharge hole (12), of the inclined bottom plate (13), the height of one end, close to the discharge hole (12), of the inclined bottom plate (13) and the height of the bottom end of the discharge hole (12) are positioned on the same horizontal plane, one end, close to the roller support (2), of the top of the processing bin (11) is horizontally provided with a conveying belt (14), the length of the conveying belt (14) is smaller than the length of the processing bin (11), the conveying, the utility model discloses a coal mining machine, including coal mining cylinder (3), processing storehouse (11), water catch bowl (15) are fixed in processing storehouse (11), the length of water catch bowl (15) is less than the length of conveyer belt (14), the upside of conveyer belt (14) is equipped with support frame (16), be equipped with drying-machine (17) on support frame (16), the middle part of coal mining machine main part (1) is equipped with control room (18), both ends all are equipped with camera (19) around control room (18), be equipped with control center, wireless transmission module in control room (18), first pneumatic cylinder (5), second pneumatic cylinder (9), elevating gear (6), wireless transmission module, camera (19), coal mining cylinder (3) all with control center signal connection.
2. An automated shearer loader according to claim 1, characterized in that: elevating gear (6) are including the vertical third pneumatic cylinder of installing on base (7), the array is equipped with four guide post (20) on base (7), be equipped with the guiding hole that suits with guide post (20) on coal machine main part (1).
3. An automated shearer loader according to claim 1, characterized in that: and a coal blocking plate (21) which is matched with the coal mining roller (3) is arranged on the roller bracket (2).
4. An automated shearer loader according to claim 1, characterized in that: the coal mining device is characterized in that a U-shaped pipe (22) is arranged on the roller support (2) along the length direction of the coal mining roller (3), a plurality of spray heads (23) are arranged on the U-shaped pipe (22), the U-shaped pipe (22) is connected with a water pump, and the coal mining roller (3) is located on the inner side of the U-shaped pipe (22).
5. An automated shearer loader according to claim 1, characterized in that: be equipped with on the outer wall of control room (18) mounting bracket (24) that suits with camera (19), be equipped with the articulated shaft on mounting bracket (24), articulated shaft and mounting bracket (24) fixed connection, mounting bracket (24) are articulated through articulated shaft and control room (18), be equipped with the motor of being connected with the articulated shaft transmission on control room (18), motor and control center signal connection.
CN202010448904.6A 2020-05-25 2020-05-25 Automatic change double drum coal-winning machine Pending CN111550241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010448904.6A CN111550241A (en) 2020-05-25 2020-05-25 Automatic change double drum coal-winning machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010448904.6A CN111550241A (en) 2020-05-25 2020-05-25 Automatic change double drum coal-winning machine

Publications (1)

Publication Number Publication Date
CN111550241A true CN111550241A (en) 2020-08-18

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ID=72003529

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Application Number Title Priority Date Filing Date
CN202010448904.6A Pending CN111550241A (en) 2020-05-25 2020-05-25 Automatic change double drum coal-winning machine

Country Status (1)

Country Link
CN (1) CN111550241A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1481917A (en) * 1974-05-28 1977-08-03 Eickhoff Geb Drum cutter loader mining machines
CN205100977U (en) * 2015-11-05 2016-03-23 陈培安 Mining tunnelling equipment support frame
CN205778851U (en) * 2016-05-26 2016-12-07 南昌鼎锋矿山设备有限公司 A kind of automatization double-ended shearer
CN206129271U (en) * 2016-08-10 2017-04-26 河南理工大学 Modified coal -winning machine
CN107842363A (en) * 2017-12-28 2018-03-27 刘丽蓉 A kind of coal-winning machine with high stability
CN208996727U (en) * 2018-10-31 2019-06-18 攀枝花学院 Double-ended shearer for large-mining-height working surface

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1481917A (en) * 1974-05-28 1977-08-03 Eickhoff Geb Drum cutter loader mining machines
CN205100977U (en) * 2015-11-05 2016-03-23 陈培安 Mining tunnelling equipment support frame
CN205778851U (en) * 2016-05-26 2016-12-07 南昌鼎锋矿山设备有限公司 A kind of automatization double-ended shearer
CN206129271U (en) * 2016-08-10 2017-04-26 河南理工大学 Modified coal -winning machine
CN107842363A (en) * 2017-12-28 2018-03-27 刘丽蓉 A kind of coal-winning machine with high stability
CN208996727U (en) * 2018-10-31 2019-06-18 攀枝花学院 Double-ended shearer for large-mining-height working surface

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Application publication date: 20200818