CN110359953B - Coal mine underground empty roadway filling system device - Google Patents
Coal mine underground empty roadway filling system device Download PDFInfo
- Publication number
- CN110359953B CN110359953B CN201910606428.3A CN201910606428A CN110359953B CN 110359953 B CN110359953 B CN 110359953B CN 201910606428 A CN201910606428 A CN 201910606428A CN 110359953 B CN110359953 B CN 110359953B
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- wheel
- driven wheel
- system device
- filling
- coal mine
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- Expired - Fee Related
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- 239000003245 coal Substances 0.000 title claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000007704 transition Effects 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/002—Crushing devices specifically for conveying in mines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/005—Methods or devices for placing filling-up materials in underground workings characterised by the kind or composition of the backfilling material
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a coal mine underground roadway filling system device.A first driven wheel, a driving wheel and a second driven wheel are sequentially arranged on the upper surface of an underframe from left to right through supporting legs; a horizontal conveying belt is wound and arranged between the first driven wheel and the driving wheel; an inclined conveying belt is wound and arranged between the driving wheel and the second driven wheel; a feeding hopper is erected on the supporting leg of the second driven wheel; the lower end of the crusher shell is connected with a discharge hopper; a filling bag is sleeved in the charging frame; the lower port of the hanging cabin is connected with a preheating supply pump after passing through a control valve; the preheating supply pump is connected with an injection pipe through a connecting hose; a plurality of spraying holes are uniformly formed in the surface of the spraying pipe; the middle part of the injection pipe is movably hung on the upright post through a hanging spring. The underground coal mine roadway filling system device has the advantages of low filling raw material cost, on-site packaging and stacking, high filling efficiency and capability of improving the coal pillar recycling cleanliness.
Description
Technical Field
The invention relates to the technical field of underground equipment of coal mines, in particular to a system device for filling an underground empty roadway of a coal mine.
Background
At present, the underground separation and filling of the gangue is a main technical path for realizing green mining and scientific mining, can reduce the influence of mining activities on environmental protection as much as possible, and has huge development potential. At present, full coal roadway arrangement is not realized in underground mining, a roadway is tunneled in rock, a large amount of gangue is generated in mining of a gangue-containing coal layer, and the environment is polluted when the gangue is transported to the ground; in addition, various protective coal pillars are left in the underground production system, so that a large amount of coal resources are retained and cannot be recycled; meanwhile, due to production change, connection lanes for recycling corner coal and the like, a plurality of empty lanes exist in the working face, the empty lanes are continuously exposed in the extraction process, the working face safely passes through the empty lanes to be treated, and the underground coal mine empty lane filling system device has the desideratum of research and development and the universality of application. The underground coal mine roadway filling system device is used for solving the requirement of the roadway filling operation on a working face, takes underground gangue or coal blocks as fillers, and consists of systems such as crushing, grinding, transporting, bagging, filling, grouting and the like. The system device has the characteristics of rapid arrangement and retraction, low-cost and wide sources of fillers, the filling bags provided with the metal rod bodies have strong pressure resistance, and slurry can fill gaps among the filling bags to ensure filling and roof contact, so that the system device has strong application value.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the underground coal mine roadway filling system device which is low in filling raw material cost, high in filling efficiency and capable of improving the coal pillar recycling cleanliness, and is packaged and stacked on site.
In order to achieve the purpose, the invention provides the following technical scheme: a filling system device for an underground empty roadway of a coal mine comprises an underframe, a driving motor, a base plate, supporting legs, a first driven wheel, a driving wheel, a second driven wheel, a horizontal conveying belt, an inclined conveying belt, a feeding hopper, an L-shaped support, a crusher shell, a crushing motor wheel, a crushing impeller, a discharging hopper, a loading frame, a filling bag, a vertical rod, a positioning sleeve, a reinforcing anchor rod, a hanging cabin, a cementing solution, a control valve, a preheating supply pump, a connecting hose, an injection pipe, a spraying hole and a hanging spring, wherein the driving motor is fixedly installed at the upper part of the underframe; a first driven wheel, a driving wheel and a second driven wheel are sequentially arranged on the upper surface of the bottom frame from left to right through supporting legs; the lower ends of the supporting legs are fixed on the underframe by adopting base plate bolts; a horizontal conveying belt is wound and arranged between the first driven wheel and the driving wheel; an inclined conveying belt is wound and arranged between the driving wheel and the second driven wheel; the driving wheel is in transmission connection with the output end of the driving motor through a belt; a feeding hopper is erected on the supporting leg of the second driven wheel; an L-shaped bracket is arranged on the side wall of the supporting leg of the first driven wheel; the upper end of the L-shaped bracket is fixed with a crusher shell; a crushing impeller is arranged in the crusher shell through a crushing motor wheel; the lower end of the crusher shell is connected with a discharge hopper; a loading frame is arranged on the underframe below the discharge hopper; a filling bag is sleeved in the charging frame; the surface of the underframe is also provided with a vertical rod; the lower half section of the upright rod is provided with a plurality of positioning sleeves at intervals; a reinforcing anchor rod is inserted into the positioning sleeve; a hanging cabin is arranged at the top end of the vertical rod; cementing solution is contained in the interior of the hanging cabin; the lower port of the hanging cabin is connected with a preheating supply pump after passing through a control valve; the preheating supply pump is connected with an injection pipe through a connecting hose; a plurality of spraying holes are uniformly formed in the surface of the spraying pipe; the middle part of the injection pipe is movably hung on the upright post through a hanging spring.
As a further improvement of the invention, the middle part of the upright stanchion is also connected with an electric telescopic rod through a turntable, the surface of the rear end of the electric telescopic rod is provided with a wire winding electric wheel, the front end part of the electric telescopic rod is provided with a steering wheel and a transition wheel, and the right lower part of the transition wheel is connected with a tail wheel through a steel wire rope; and a steel wire rope on the wire-winding electric wheel sequentially bypasses the steering wheel, the transition wheel and the tail wheel and is connected with a lifting hook.
As a further improvement of the invention, a carrying trolley is arranged right below the lifting hook.
As a further improvement of the invention, rollers are symmetrically arranged on the lower surface of the bottom frame.
As a further improvement of the invention, the filling bag is a metal mesh bag or a nylon gunny bag.
As a further improvement of the invention, the filling raw materials in the filling bag adopt coal blocks or gangue.
The invention provides a coal mine underground empty roadway filling system device, which has the following beneficial effects: according to the technical scheme, the first driven wheel, the driving wheel, the second driven wheel and the feeding hopper are mounted on the underframe through the supporting legs, and the horizontal conveying belt and the inclined conveying belt are correspondingly arranged, so that the filling raw material can be quickly conveyed to a rear use area from a raw material area and can be continuously supplied; according to the technical scheme, the crusher shell is further mounted at the tail end of the first driven wheel through a support, the crushing impeller is mounted in the crusher shell through the crushing motor wheel, the discharge hopper is arranged at the bottom end of the crusher shell, and the charging frame and the filling bag are arranged below the crusher shell, so that the large filling raw materials can be crushed firstly and then are discharged into the filling bag of the charging frame below the large filling raw materials, and the beneficial technical effects of improving the uniformity of the filling raw materials and quickly bagging the large filling raw materials are achieved; the technical scheme is also provided with the upright post, the upper end of the upright post is provided with the hanging cabin and the control valve, the upper end of the upright post is connected with the injection pipe through the preheating supply pump and the connecting hose, the surface of the injection pipe is provided with a plurality of spraying holes, and the injection pipe is also connected to the upright post through the hanging spring, so that the vertical spraying device has the beneficial technical effects of being convenient for uniformly spraying the filling materials in the filling bag and improving the operation efficiency and the automation degree; according to the technical scheme, the positioning sleeve is arranged on the vertical rod, and the reinforcing anchor rod is inserted into the positioning sleeve, so that the beneficial technical effects that the reinforcing anchor rod is conveniently inserted into the directional filling bag, and the overall strength of the filling bag is improved are achieved; the technical scheme also has the advantages that the rollers are arranged on the lower surface of the bottom frame, so that the whole equipment operation site is convenient to integrally transfer and consign; this technical scheme still installs telescopic link and corresponding lifting device through the carousel in the pole setting to set up the floor truck simultaneously, have and save the loaded down with trivial details of artifical transport, conveniently hoist and mount the good filling bag of splendid attire and shift to the floor truck on and carry the beneficial technological effect to the required place of filling fast.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The reference numbers in the figures are: 1. a chassis; 2. a drive motor; 3. a base plate; 4. a support leg; 5. a first driven wheel; 6. a drive wheel; 7. a second driven wheel; 8. a horizontal conveyor belt; 9. an inclined conveyor belt; 10. feeding a hopper; an L-shaped stent; 12. a crusher housing; 13. a crushing motor wheel; 14. crushing the impeller; 15. a discharge hopper; 16. a loading frame; 17. filling the bag; 18. erecting a rod; 19. positioning the sleeve; 20. reinforcing the anchor rod; 21. hoisting a bin; 22. a cementing solution; 23. a control valve; 24. a preheat supply pump; 25. a connecting hose; 26. an injection pipe; 27. a spray orifice; 28. a suspension spring; 29. a turntable; 30. an electric telescopic rod; 31. winding electric wheels; 32. a steering wheel; 33. a transition wheel; 34. a tail wheel; 35. a hook; 36. carrying the trolley; 37. and a roller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the invention provides a filling system device for a coal mine underground roadway, which includes an underframe 1, a driving motor 2, a base plate 3, a support leg 4, a first driven wheel 5, a driving wheel 6, a second driven wheel 7, a horizontal conveyor belt 8, an inclined conveyor belt 9, a feeding hopper 10, an L-shaped bracket 11, a crusher housing 12, a crushing motor wheel 13, a crushing impeller 14, a discharging hopper 15, a charging frame 16, a filling bag 17, an upright rod 18, a positioning sleeve 19, a reinforcing anchor rod 20, a hanging cabin 21, a cementing solution 22, a control valve 23, a preheating supply pump 24, a connecting hose 25, an injection pipe 26, a spraying hole 27 and a hanging spring 28, wherein the driving motor 2 is fixedly installed on the upper portion of the underframe 1; a first driven wheel 5, a driving wheel 6 and a second driven wheel 7 are sequentially arranged on the upper surface of the underframe 1 from left to right through supporting legs 4; the lower ends of the supporting legs 4 are fixed on the underframe 1 by adopting base plates 3 through bolts; a horizontal conveying belt 8 is wound and arranged between the first driven wheel 5 and the driving wheel 6; an inclined conveying belt 9 is wound and arranged between the driving wheel 6 and the second driven wheel 7; the driving wheel 6 is in transmission connection with the output end of the driving motor 2 through a belt; a feeding hopper 10 is mounted on the support leg of the second driven wheel 7 in a spanning manner.
An L-shaped bracket 11 is arranged on the side wall of the supporting leg of the first driven wheel 5; a crusher shell 12 is fixed at the upper end of the L-shaped bracket 11; a crushing impeller 14 is installed in the crusher shell 12 through a crushing motor wheel 13; the lower end of the crusher shell 12 is connected with a discharge hopper 15; a loading frame 16 is arranged on the underframe 1 below the discharge hopper 15; the filling bag 17 is sleeved inside the material loading frame 16.
The surface of the underframe 1 is also provided with a vertical rod 18; a plurality of positioning sleeves 19 are arranged at the lower half section of the upright rod 18 at intervals; a reinforcing anchor rod 20 is inserted into the positioning sleeve 19; the top end of the upright rod 18 is provided with a hanging cabin 21; cementing solution 22 is contained in the hanging cabin 21; the lower port of the hanging cabin 21 is connected with a preheating supply pump 24 after passing through a control valve 23; the preheating supply pump 24 is connected with an injection pipe 26 through a connection hose 25; a plurality of spraying holes 27 are uniformly formed on the surface of the spraying pipe 26; the middle part of the injection pipe 26 is movably hung on the upright rod 18 through a hanging spring 28.
The middle part of the upright rod 18 is also connected with an electric telescopic rod 30 through a turntable 29, the rear end surface of the electric telescopic rod 30 is provided with a wire winding electric wheel 31, the front end part of the electric telescopic rod 30 is provided with a steering wheel 32 and a transition wheel 33, and the right lower part of the transition wheel 33 is connected with a tail wheel 34 through a steel wire rope; the wire rope on the electric kinking wheel 31 sequentially rounds the steering wheel 32, the transition wheel 33 and the tail wheel 34, and then is connected with a hook 35. A carrying trolley 36 is arranged right below the lifting hook 35. The rollers 37 are symmetrically arranged on the lower surface of the base frame 1. The filling bag 17 is a metal mesh bag or a nylon gunny bag. The filling material in the filling bag 17 adopts coal blocks or gangue.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A coal mine underground empty roadway filling system device is characterized in that: the device comprises an underframe (1), a driving motor (2), a base plate (3), supporting legs (4), a first driven wheel (5), a driving wheel (6), a second driven wheel (7), a horizontal conveying belt (8), an inclined conveying belt (9), a feeding hopper (10), an L-shaped support (11), a crusher shell (12), a crushing motor wheel (13), a crushing impeller (14), a discharging hopper (15), a charging frame (16), a filling bag (17), a vertical rod (18), a positioning sleeve (19), a reinforcing anchor rod (20), a hanging cabin (21), a cementing solution (22), a control valve (23), a preheating supply pump (24), a connecting hose (25), an injection pipe (26), a spraying hole (27) and a hanging spring (28), wherein the driving motor (2) is fixedly installed on the upper portion of the underframe (1); a first driven wheel (5), a driving wheel (6) and a second driven wheel (7) are sequentially arranged on the upper surface of the underframe (1) from left to right through supporting legs (4); the lower ends of the supporting legs (4) are fixed on the underframe (1) by adopting base plates (3) through bolts; a horizontal conveying belt (8) is wound and arranged between the first driven wheel (5) and the driving wheel (6); an inclined conveying belt (9) is wound and arranged between the driving wheel (6) and the second driven wheel (7); the driving wheel (6) is in transmission connection with the output end of the driving motor (2) through a belt; a feeding hopper (10) is erected on a supporting leg of the second driven wheel (7); an L-shaped bracket (11) is arranged on the side wall of the supporting leg of the first driven wheel (5); a crusher shell (12) is fixed at the upper end of the L-shaped bracket (11); a crushing impeller (14) is arranged in the crusher shell (12) through a crushing motor wheel (13); the lower end of the crusher shell (12) is connected with a discharge hopper (15); a loading frame (16) is arranged on the underframe (1) below the discharge hopper (15); a filling bag (17) is sleeved in the charging frame (16); the surface of the underframe (1) is also provided with a vertical rod (18); the lower half section of the upright rod (18) is provided with a plurality of positioning sleeves (19) at intervals; a reinforcing anchor rod (20) is inserted into the positioning sleeve (19); a hanging cabin (21) is arranged at the top end of the upright rod (18); cementing solution (22) is contained in the hanging cabin (21); the lower opening of the hanging cabin (21) is connected with a preheating supply pump (24) after passing through a control valve (23); the preheating supply pump (24) is connected with an injection pipe (26) through a connecting hose (25); a plurality of spraying holes (27) are uniformly formed in the surface of the spraying pipe (26); the middle part of the injection pipe (26) is movably hung on the upright post (18) through a hanging spring (28).
2. The coal mine underground roadway filling system device according to claim 1, wherein: the middle part of the upright rod (18) is also connected with an electric telescopic rod (30) through a turntable (29), the rear end surface of the electric telescopic rod (30) is provided with a wire winding electric wheel (31), the front end part of the electric telescopic rod (30) is provided with a steering wheel (32) and a transition wheel (33), and the right lower part of the transition wheel (33) is connected with a tail wheel (34) through a steel wire rope; and a steel wire rope on the wire-winding electric wheel (31) sequentially bypasses the steering wheel (32), the transition wheel (33) and the tail wheel (34) and then is connected with a lifting hook (35).
3. The device of claim 2, wherein: and a carrying trolley (36) is arranged right below the lifting hook (35).
4. The coal mine underground roadway filling system device according to claim 1, wherein: and rollers (37) are symmetrically arranged on the lower surface of the bottom frame (1).
5. The coal mine underground roadway filling system device according to claim 1, wherein: the filling bag (17) is a metal mesh bag or a nylon gunny bag.
6. The coal mine underground roadway filling system device according to claim 1, wherein: the filling bag (17) is filled with coal blocks or gangue as raw materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606428.3A CN110359953B (en) | 2019-07-05 | 2019-07-05 | Coal mine underground empty roadway filling system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606428.3A CN110359953B (en) | 2019-07-05 | 2019-07-05 | Coal mine underground empty roadway filling system device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110359953A CN110359953A (en) | 2019-10-22 |
| CN110359953B true CN110359953B (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910606428.3A Expired - Fee Related CN110359953B (en) | 2019-07-05 | 2019-07-05 | Coal mine underground empty roadway filling system device |
Country Status (1)
| Country | Link |
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| CN (1) | CN110359953B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112459833B (en) * | 2020-11-25 | 2021-07-20 | 太原理工大学 | Gangue conveying backfill system and method for laying transmission rubber belt under rail |
| CN113006863B (en) * | 2021-04-14 | 2021-11-26 | 中国矿业大学 | Automatic inflatable filling bag device and working face filling method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3639997A1 (en) * | 1986-11-22 | 1988-05-26 | Adam Udo Maschinenfabrik | Compact pneumatic-stowing station |
| JP2002233778A (en) * | 2001-02-06 | 2002-08-20 | Hitachi Constr Mach Co Ltd | Wood crusher |
| WO2006120299A1 (en) * | 2005-05-10 | 2006-11-16 | Sandvik Mining And Construction Hollola Oy | Arrangement for driving a feed conveyor, and crusher |
| CN101215976A (en) * | 2008-01-17 | 2008-07-09 | 中国矿业大学 | Down-hole gangue pump packing system and method |
| CN103133031A (en) * | 2013-02-28 | 2013-06-05 | 中国矿业大学 | Underground coal and gangue separation, conveying and filling method and equipment |
| CN203035256U (en) * | 2012-12-05 | 2013-07-03 | 飞翼股份有限公司 | Waste rock bashing device capable of preventing waste rock from being lifted to ground from well |
| CN105736045A (en) * | 2016-04-20 | 2016-07-06 | 山东科技大学 | Bag type filling system and filling method for controlling water inrush from gob floor |
-
2019
- 2019-07-05 CN CN201910606428.3A patent/CN110359953B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3639997A1 (en) * | 1986-11-22 | 1988-05-26 | Adam Udo Maschinenfabrik | Compact pneumatic-stowing station |
| JP2002233778A (en) * | 2001-02-06 | 2002-08-20 | Hitachi Constr Mach Co Ltd | Wood crusher |
| WO2006120299A1 (en) * | 2005-05-10 | 2006-11-16 | Sandvik Mining And Construction Hollola Oy | Arrangement for driving a feed conveyor, and crusher |
| CN101215976A (en) * | 2008-01-17 | 2008-07-09 | 中国矿业大学 | Down-hole gangue pump packing system and method |
| CN203035256U (en) * | 2012-12-05 | 2013-07-03 | 飞翼股份有限公司 | Waste rock bashing device capable of preventing waste rock from being lifted to ground from well |
| CN103133031A (en) * | 2013-02-28 | 2013-06-05 | 中国矿业大学 | Underground coal and gangue separation, conveying and filling method and equipment |
| CN105736045A (en) * | 2016-04-20 | 2016-07-06 | 山东科技大学 | Bag type filling system and filling method for controlling water inrush from gob floor |
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| CN110359953A (en) | 2019-10-22 |
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