CN108661634A - A kind of complexity difficulty mining bed scale quarrying apparatus - Google Patents

A kind of complexity difficulty mining bed scale quarrying apparatus Download PDF

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Publication number
CN108661634A
CN108661634A CN201810500819.2A CN201810500819A CN108661634A CN 108661634 A CN108661634 A CN 108661634A CN 201810500819 A CN201810500819 A CN 201810500819A CN 108661634 A CN108661634 A CN 108661634A
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CN
China
Prior art keywords
sliding
fixedly installed
end wall
shaft
gear
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.)
Withdrawn
Application number
CN201810500819.2A
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Chinese (zh)
Inventor
毛建锋
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810500819.2A priority Critical patent/CN108661634A/en
Publication of CN108661634A publication Critical patent/CN108661634A/en
Withdrawn legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C27/00Machines which completely free the mineral from the seam
    • E21C27/20Mineral freed by means not involving slitting
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C27/00Machines which completely free the mineral from the seam
    • E21C27/20Mineral freed by means not involving slitting
    • E21C27/30Mineral freed by means not involving slitting by jaws, buckets or scoops that scoop-out the mineral
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C31/00Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
    • E21C31/02Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21CMINING OR QUARRYING
    • E21C35/00Details 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
    • E21C35/20General features of equipment for removal of chippings, e.g. for loading on conveyor

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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)
  • Earth Drilling (AREA)

Abstract

The invention discloses a kind of complicated difficulty mining bed scale quarrying apparatus,Including pedestal,The first drive cavity is provided in the pedestal,It is fixedly installed first motor in first drive cavity,It is fixedly connected with first rotating shaft on the output shaft of the first motor,The first rotating shaft lower face is fixedly installed first gear,Setting is uniformly engaged in the first gear periphery, and there are four second gears,The second gear centre position is provided through fastening stud,The fastening stud and the second gear internal messing,In present invention work,Apparatus structure is simple to operation,Floor space is small,It is small by territory restriction,It is suitble to difficult exploitation deposit mining to use,Accurate punching positioning is carried out by the four-dimension,And the mineral aggregate of exploitation is transported the rear side of this quarrying apparatus by delver by conveyor chamber,Reduce the time and manpower that traditional shutdown cleaning mineral aggregate uses,And it can direct more bit change,Improve production efficiency.

Description

A kind of complexity difficulty mining bed scale quarrying apparatus
Technical field
The present invention relates to hardly possiblies to exploit mineral deposit field, specially a kind of complicated difficulty mining bed scale quarrying apparatus.
Background technology
For the Mining technology condition of China's complexity difficulty mining bed, there are quarrying apparatus be difficult to greatly exploit it is small and complicated Mineral deposit, primary punch operation of digging up mine, punching positioning at this stage is not especially accurate, and the slag generated in drill process needs It shuts down replacement excavating gear to be cleared up, gains puncher after cleaning again and continue to drill, this replacement process wastes time, and every Secondary dress changes process and increases electric power energy, and the transition region needed is big, is limited by place and is generally difficult with, and difficult exploitation is influenced The exploitation in mineral deposit, and the progress and efficiency of exploitation are reduced, the device of the invention can solve the problems, such as this.
Invention content
The purpose of the present invention is to provide a kind of complicated difficulty mining bed scale quarrying apparatus to solve above-mentioned background technology The problem of middle proposition.
To achieve the above object, the present invention provides the following technical solutions:A kind of complexity difficulty mining bed scale quarrying apparatus, Including pedestal, it is provided with the first drive cavity in the pedestal, is fixedly installed first motor in first drive cavity, described First rotating shaft is fixedly connected on the output shaft of one motor, the first rotating shaft lower face is fixedly installed first gear, described Setting is uniformly engaged in first gear periphery, and there are four second gears, and the second gear centre position is provided through fastening spiral shell Column, the fastening stud and the second gear internal messing, the fastening stud upper surface are fixedly installed limited block, and described the It is provided with conveyor chamber on the upside of one drive cavity, the second motor is fixedly installed in the conveyor chamber left end wall, second motor The second shaft is fixedly connected on output shaft, second shaft right side is connect with the conveyor chamber right end wall rotary type, institute Stating Spiral distribution in the second shaft has delivery board, and discharge port, the discharge port connection are provided on the downside of the conveyor chamber left end wall The conveyor chamber and free surrounding space, the discharge port lower end wall are provided with inclined surface, the first cunning are provided on the upside of the conveyor chamber Rail, the first sliding rail right side are slidably connected with sliding solid, and symmetrical rotary type connects before and after the sliding solid right side It is connected to bending rotation base shaft, rotary type is provided with delver, the rotation base shaft left side between the rotation base shaft right side It is fixedly installed the first solid bar between front and back, rotary type is connected with the first bull stick on the described first solid bar, in first bull stick It is fixedly installed the first telescopic cylinder, the first push rod is provided in first telescopic cylinder, first push rod upper surface is solid Surely it is connected with the solid bar of front and back second placed, the second solid bar is fixedly installed between the rotation base shaft corner is front and back, it is described Second, which consolidates front and back symmetrical rotary type on bar, is connected with the second bull stick, before bar is consolidated in second bull stick upper surface with described second Rear end face is connected, and second bull stick lower face rotary type is connected with third bull stick, third bull stick right side and the digging Pick device left end wall is fixedly connected, and the second sliding rail is provided on the rotation base shaft lower end wall, sliding between second sliding rail is front and back Dynamic to be provided with sliding block, the rotation base shaft downside is provided with the second telescopic cylinder, on the second push rod of second telescopic cylinder End face is fixedly connected with the sliding block centre position.
Preferably, the pedestal upper surface is fixedly installed third sliding rail, it is slidably connected on the third sliding rail There is sliding bottom, the second drive cavity is provided in the sliding bottom, second drive cavity upper surface is communicated with free surrounding space, Third motor is provided in second drive cavity, third motor upper surface is fixedly installed third shaft, the third Shaft upper surface is fixedly installed third gear, and the engagement of third gear left side is provided with the 4th gear, the 4th tooth Wheel upper surface is fixedly installed the 4th shaft, and rotor is provided on the upside of the sliding bottom, and the is provided in the rotor Three drive cavities, third drive cavity lower face are communicated with free surrounding space, and the 4th shaft is stretched through second drive cavity Enter in the third drive cavity and be installed with thereon the 5th gear, opening up empty slot, institute are provided on the upside of the rotor Empty slot right end wall is stated to communicate with free surrounding space, before and after the empty slot end wall external symmetry be provided with the indent far from the empty slot center Slot is provided with motor-driven rotating wheel in the inner groovy, is connected by belt transmission between the rotating wheel, the empty slot It is fixedly installed slide bar symmetrical above and below between front and back end wall, movable block, the movement are slidably connected on the slide bar Block left end wall is fixedly installed drive block, and the drive block is fixed on the belt upper surface, setting on the right side of the movable block There is sliding cavity, fixed lead screw up and down, the output in the screw lower end face and the 4th motor are provided in the sliding cavity Axis is fixedly connected, and external screw thread, which engages, on the lead screw is provided with threaded block, and the threaded block left side is fixedly installed T shapes limit Determine block, sliding slot is fixedly installed outside the sliding cavity left end wall, the sliding slot left end wall is provided with cavity, and the T shapes limit Block left side is stretched into through the sliding slot in the cavity, and the sliding cavity right end wall is provided with the perforative sliding chamber in left and right, institute It states threaded block right side and is fixedly installed boring bar, the boring bar right side is stretched into through the sliding chamber in free surrounding space, institute It states and is provided with rotary electric machine on the right side of boring bar, bearing, the output shaft right side are arranged on the output shaft of the rotary electric machine It is fixedly connected with threaded post, the threaded post periphery is evenly arranged with first through hole, is provided with drill bit on the right side of the boring bar, institute It states drill bit left end wall and is installed with opening towards left link slot, the link slot is connect with the threaded post screw-thread fit, the brill Head periphery is evenly arranged with the second through-hole, and the first through hole and second through-hole are by screw by the drill bit and the brill Vent stem is fastenedly connected.
Preferably, the distance that the movable block slides back and forth on slide bar is equal to the drive block under the drive of belt Mobile distance and the length less than empty slot.
Description of the drawings
Fig. 1 is a kind of main structure diagram of complicated difficulty mining bed scale quarrying apparatus entirety complete section of the present invention;
Fig. 2 is A-A direction structure schematic diagrames in a kind of complicated difficulty mining bed scale quarrying apparatus of the present invention;
Fig. 3 is B enlarged structure schematic diagrams in a kind of complicated difficulty mining bed scale quarrying apparatus of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of embodiment provided by the invention:A kind of complexity difficulty mining bed scale quarrying apparatus, packet Pedestal 10 is included, the first drive cavity 11 is provided in the pedestal 10, first motor is fixedly installed in first drive cavity 11 12, first rotating shaft 13, the fixed setting of 13 lower face of the first rotating shaft are fixedly connected on the output shaft of the first motor 12 There is first gear 14, setting is uniformly engaged in 14 periphery of the first gear, and there are four second gear 15, the second gears 15 Centre position is provided through fastening stud 16, the fastening stud 16 and 15 internal messing of the second gear, the fastening spiral shell 16 upper surface of column is fixedly installed limited block 17, and first drive cavity, 11 upside is provided with conveyor chamber 18, the conveyor chamber 18 It is fixedly installed the second motor 19 in left end wall, the second shaft 20, institute are fixedly connected on the output shaft of second motor 19 It states 20 right side of the second shaft to connect with 18 right end wall rotary type of the conveyor chamber, there is defeated Spiral distribution in second shaft 20 Send plate 23, be provided with discharge port 21 on the downside of 18 left end wall of the conveyor chamber, the discharge port 21 be connected to the conveyor chamber 18 with it is outer Boundary space, 21 lower end wall of the discharge port are provided with inclined surface 22, and 18 upside of the conveyor chamber is provided with the first sliding rail 24, described First sliding rail, 24 right side is slidably connected with sliding solid 25, and symmetrical rotary type connects before and after 25 right side of the sliding solid There is bending to rotate base shaft 26, rotary type is provided with delver 34, the rotation base shaft between 26 right side of rotation base shaft The first solid bar 27 is fixedly installed between 26 left sides are front and back, rotary type is connected with the first bull stick 28, institute on the described first solid bar 27 It states and is fixedly installed the first telescopic cylinder 29 in the first bull stick 28, the first push rod 30 is provided in first telescopic cylinder 29, First push rod, 30 upper surface is fixedly connected with the solid bar 71 of front and back second placed, before and after 26 corner of rotation base shaft it Between be fixedly installed the second solid bar 31, front and back symmetrical rotary type is connected with the second bull stick 32 on the described second solid bar 31, described Second bull stick, 32 upper surface is connected with the described second 71 front/rear end of solid bar, second bull stick, 32 lower face rotary type connection There are third bull stick 33,33 right side of third bull stick to be fixedly connected with 34 left end wall of the delver, the rotation base shaft 26 It is provided with the second sliding rail 37 on lower end wall, is slided between second sliding rail 37 is front and back and is provided with sliding block 38, the rotation base shaft 26 downsides are provided with the second telescopic cylinder 39,40 upper surface of the second push rod of second telescopic cylinder 39 in the sliding block 38 Between position be fixedly connected.
Valuably, 10 upper surface of the pedestal is fixedly installed third sliding rail 41, is slidably matched on the third sliding rail 41 Be connected with sliding bottom 42, be provided with the second drive cavity 43 in the sliding bottom 42,43 upper surface of the second drive cavity with Free surrounding space communicates, and third motor 44,44 upper surface of the third motor fixed setting are provided in second drive cavity 43 There are third shaft 45,45 upper surface of third shaft to be fixedly installed third gear 46,46 left side of third gear is nibbled Conjunction is provided with the 4th gear 47, and 47 upper surface of the 4th gear is fixedly installed the 4th shaft 48, on the sliding bottom 42 Side is provided with rotor 51, is provided with third drive cavity 49 in the rotor 51,49 lower face of third drive cavity with it is outer Boundary space communicates, and the 4th shaft 48 stretches into the third drive cavity 49 and fixed thereon through second drive cavity 43 There are the 5th gear 50,51 upside of the rotor to be provided with opening up empty slot 54,54 right end wall of the empty slot is empty with the external world Between communicate, before and after the empty slot 54 end wall external symmetry be provided with the inner groovy 72 far from 54 center of the empty slot, the inner groovy It is provided with motor-driven rotating wheel 73 in 72, is sequentially connected by belt 56 between the rotating wheel 73, before the empty slot 54 It is fixedly installed slide bar 53 symmetrical above and below between aft bulkhead, movable block 52 is slidably connected on the slide bar 53, it is described 52 left end wall of movable block is fixedly installed drive block 55, and the drive block 55 is fixed on 56 upper surface of the belt, the shifting 52 right side of motion block is provided with sliding cavity 58, and fixed lead screw 59 up and down, the lead screw 59 are provided in the sliding cavity 58 Lower face is fixedly connected with the output shaft of the 4th motor 63, and external screw thread engages and is provided with threaded block 61 on the lead screw 59, described 61 left side of threaded block is fixedly installed T shapes stop block 62, and sliding slot 57 is fixedly installed outside the 58 left end wall of sliding cavity, 57 left end wall of the sliding slot is provided with cavity 74, and the cavity is stretched into 62 left side of T shapes stop block through the sliding slot 57 In 74, the 58 right end wall of sliding cavity is provided with the perforative sliding chamber 60 in left and right, and 61 right side of the threaded block is fixedly installed Boring bar 64,64 right side of the boring bar are stretched into through the sliding chamber 60 in free surrounding space, 64 right side setting of the boring bar There is rotary electric machine 65, bearing 67 is arranged on the output shaft 66 of the rotary electric machine 65,66 right side of the output shaft, which is fixed, to be connected It is connected to threaded post 75,75 periphery of the threaded post is evenly arranged with first through hole 76, and 64 right side of the boring bar is provided with drill bit 69,69 left end wall of the drill bit is installed with opening towards left link slot 75, and the link slot 75 is matched with 75 screw thread of the threaded post Connection is closed, 69 periphery of the drill bit is evenly arranged with the second through-hole 77, and the first through hole 76 passes through with second through-hole 77 The drill bit 69 and the boring bar 64 are fastenedly connected by screw 70.
Valuably, the distance that the movable block 52 slides back and forth on slide bar 53 is equal to the drive block 55 in belt 56 Lower mobile distance and the length less than empty slot 54 are driven, effect is that drive block 55 is moved left and right in 56 upper surface of belt, foot To complete the Y-direction positioning of punching, the harmony of device is improved.
Specifically used mode:In present invention work, first motor 12 works, and driving first gear 14 rotates, then the second tooth The rotation of wheel 15 drives fastening stud 16 to decline and pricks into the low fixation for carrying out pedestal 10, first motor 12 stops, by drill bit 69 It is connect with boring bar 64 by link slot 75, then is fastened by screw 70, push sliding bottom 42 to carry out drilling point X reversed Positioning, the movement of belt 56 drive movable block 52 to be moved forward and backward and adjust the positioning of drilling point Y-direction, the work of the 4th motor 63, lead screw 59 Rotation drives threaded block 61 to slide up and down and adjusts the positioning of drilling point Z-direction, while can drive the 4th tooth by third motor 44 47 rotation of wheel, then the accuracy that rotor 51 positions in the rotary action backspin modulation section direction of the 4th shaft 48, increase punching, After the completion of positioning, rotary electric machine 65 works, and the rotation of drill bit 69 carries out punch operation, at the same time, the first telescopic cylinder 29 and the Two telescopic cylinders 39 drive the exploitation of the work auxiliary mineral aggregate of delver 34, and the mineral aggregate of exploitation is put into conveyor chamber 18, pass through Second shaft 20 rotates, and mineral aggregate push-in discharge port 21 is collected by delivery board 23, and the punching in complete rear complicated difficult exploitation mineral deposit is opened Adopt work.
Compared with prior art, the beneficial effects of the invention are as follows:In present invention work, apparatus structure is simple to operation, accounts for Ground area is small, small by territory restriction, and difficult exploitation deposit mining is suitble to use, and carries out accurate punching positioning by the four-dimension, and dig The mineral aggregate of exploitation is transported the rear side of this quarrying apparatus by pick device by conveyor chamber, reduces what traditional shutdown cleaning mineral aggregate used Time and manpower, and can direct more bit change, improve production efficiency.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (3)

1. a kind of complexity difficulty mining bed scale quarrying apparatus, including pedestal, it is provided with the first drive cavity in the pedestal, it is described It is fixedly installed first motor in first drive cavity, first rotating shaft is fixedly connected on the output shaft of the first motor, it is described First rotating shaft lower face is fixedly installed first gear, and setting is uniformly engaged in the first gear periphery, and there are four the second teeth Wheel, the second gear centre position are provided through fastening stud, the fastening stud and the second gear internal messing, institute It states fastening stud upper surface and is fixedly installed limited block, conveyor chamber is provided on the upside of first drive cavity, the conveyor chamber is left It is fixedly installed the second motor in end wall, is fixedly connected with the second shaft on the output shaft of second motor, described second turn Axis right side is connect with the conveyor chamber right end wall rotary type, and Spiral distribution has delivery board, the conveying in second shaft Discharge port is provided on the downside of chamber left end wall, the discharge port is connected to the conveyor chamber and free surrounding space, the discharge port lower end wall It is provided with inclined surface, the first sliding rail is provided on the upside of the conveyor chamber, sliding is slidably connected on the right side of first sliding rail Solid, on the right side of the sliding solid before and after symmetrical rotary type be connected with bending rotation base shaft, the rotation base shaft right side Between rotary type be provided with delver, the first solid bar is fixedly installed between front and back on the left of the rotation base shaft, described first is solid Rotary type is connected with the first bull stick on bar, and the first telescopic cylinder, the first flexible gas are fixedly installed in first bull stick The first push rod is provided in cylinder, first push rod upper surface is fixedly connected with the solid bar of front and back second placed, the rotation base The second solid bar is fixedly installed between bar corner is front and back, front and back symmetrical rotary type is connected with second turn on the described second solid bar Bar, second bull stick upper surface are connected with the described second solid bar front/rear end, and second bull stick lower face rotary type connects It is connected to third bull stick, third bull stick right side is fixedly connected with the delver left end wall, the rotation base shaft lower end wall On be provided with the second sliding rail, between second sliding rail is front and back sliding be provided with sliding block, the rotation base shaft downside is provided with the Second push rod upper surface of two telescopic cylinders, second telescopic cylinder is fixedly connected with the sliding block centre position.
2. a kind of complicated difficulty mining bed scale quarrying apparatus according to claim 1, it is characterised in that:On the pedestal End face is fixedly installed third sliding rail, and sliding bottom is slidably connected on the third sliding rail, is set in the sliding bottom It is equipped with the second drive cavity, second drive cavity upper surface is communicated with free surrounding space, and third is provided in second drive cavity Motor, third motor upper surface are fixedly installed third shaft, and third shaft upper surface is fixedly installed third tooth Wheel, the engagement of third gear left side are provided with the 4th gear, and the 4th gear upper surface is fixedly installed the 4th shaft, It is provided with rotor on the upside of the sliding bottom, third drive cavity, third drive cavity lower end are provided in the rotor Face is communicated with free surrounding space, and the 4th shaft stretches into the third drive cavity and fixed thereon through second drive cavity There is the 5th gear, is provided with opening up empty slot on the upside of the rotor, the empty slot right end wall is communicated with free surrounding space, institute End wall external symmetry is provided with the inner groovy far from the empty slot center before and after stating empty slot, and motor driving is provided in the inner groovy Rotating wheel, connected by belt transmission between the rotating wheel, it is right up and down to be fixedly installed between end wall before and after the empty slot The slide bar of title is slidably connected with movable block on the slide bar, and the movable block left end wall is fixedly installed drive block, described Drive block is fixed on the belt upper surface, and sliding cavity is provided on the right side of the movable block, is arranged in the sliding cavity Fixed lead screw above and below having, the screw lower end face are fixedly connected with the output shaft of the 4th motor, and external screw thread is nibbled on the lead screw Conjunction is provided with threaded block, and the threaded block left side is fixedly installed T shape stop blocks, is fixed outside the sliding cavity left end wall It is provided with sliding slot, the sliding slot left end wall is provided with cavity, and the sky is stretched into the T shapes stop block left side through the sliding slot Intracavitary, the sliding cavity right end wall are provided with the perforative sliding chamber in left and right, and the threaded block right side is fixedly installed boring bar, The boring bar right side is stretched into through the sliding chamber in free surrounding space, and rotary electric machine is provided on the right side of the boring bar, described Bearing is arranged on the output shaft of rotary electric machine, the output shaft right side is fixedly connected with threaded post, the threaded post periphery It is evenly arranged with first through hole, drill bit is provided on the right side of the boring bar, the drill bit left end wall is installed with opening towards left company Access slot, the link slot are connect with the threaded post screw-thread fit, and the drills outer circumference is evenly arranged with the second through-hole, and described The drill bit and the boring bar are fastenedly connected with second through-hole by screw by one through-hole.
3. a kind of complicated difficulty mining bed scale quarrying apparatus according to claim 2, it is characterised in that:The movable block The distance slid back and forth on slide bar is equal to the distance that the drive block moves under the drive of belt and the length less than empty slot.
CN201810500819.2A 2018-05-23 2018-05-23 A kind of complexity difficulty mining bed scale quarrying apparatus Withdrawn CN108661634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810500819.2A CN108661634A (en) 2018-05-23 2018-05-23 A kind of complexity difficulty mining bed scale quarrying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810500819.2A CN108661634A (en) 2018-05-23 2018-05-23 A kind of complexity difficulty mining bed scale quarrying apparatus

Publications (1)

Publication Number Publication Date
CN108661634A true CN108661634A (en) 2018-10-16

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Application Number Title Priority Date Filing Date
CN201810500819.2A Withdrawn CN108661634A (en) 2018-05-23 2018-05-23 A kind of complexity difficulty mining bed scale quarrying apparatus

Country Status (1)

Country Link
CN (1) CN108661634A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110067556A (en) * 2019-04-14 2019-07-30 阳泉煤业(集团)股份有限公司 A kind of coal mine roadway speedy drivage auxiliary device
CN110331988A (en) * 2018-12-10 2019-10-15 贵州大学 A kind of row's coal formula coal mine digging development machine being convenient for changing drill bit
CN111997606A (en) * 2020-09-03 2020-11-27 福州袋书吧电子科技有限公司 Protective coal excavating equipment with multiple processing modes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110331988A (en) * 2018-12-10 2019-10-15 贵州大学 A kind of row's coal formula coal mine digging development machine being convenient for changing drill bit
CN110067556A (en) * 2019-04-14 2019-07-30 阳泉煤业(集团)股份有限公司 A kind of coal mine roadway speedy drivage auxiliary device
CN110067556B (en) * 2019-04-14 2020-11-10 阳泉煤业(集团)股份有限公司 Auxiliary device for rapid tunneling of coal mine tunnel
CN111997606A (en) * 2020-09-03 2020-11-27 福州袋书吧电子科技有限公司 Protective coal excavating equipment with multiple processing modes

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Application publication date: 20181016