CN114109381A - Mining transportation system - Google Patents
Mining transportation system Download PDFInfo
- Publication number
- CN114109381A CN114109381A CN202111550586.5A CN202111550586A CN114109381A CN 114109381 A CN114109381 A CN 114109381A CN 202111550586 A CN202111550586 A CN 202111550586A CN 114109381 A CN114109381 A CN 114109381A
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- Prior art keywords
- module
- transportation
- groove
- rod
- conveyor belt
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- 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.)
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Links
- 238000005065 mining Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000009412 basement excavation Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 239000010865 sewage Substances 0.000 claims description 5
- 210000000078 claw Anatomy 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 210000001747 pupil Anatomy 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims 1
- 239000004575 stone Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000011521 glass Substances 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 239000003643 water by type Substances 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Images
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/20—Mineral freed by means not involving slitting
- E21C27/30—Mineral freed by means not involving slitting by jaws, buckets or scoops that scoop-out the mineral
-
- 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
- E21C35/22—Equipment for preventing the formation of, or for removal of, dust
Landscapes
- 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)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention belongs to the field of mining, and discloses a mining and transporting system which comprises a transporting bin, wherein an excavating module is arranged in the direction of the transporting bin close to the interior of a mountain body, and a mud feeding module is arranged below the excavating module and in the transporting bin. After the excavating bucket is toppled over, the flexible sliding rod drives the movable push rod to turn upwards by a small amplitude, and stones on the movable push rod are pushed to the primary conveyor belt. Hit the cam and carry out the jack-up of small range with one-level conveyer belt and make the vibrations of production shake the little stone of bits of broken glass and fall, and spray set waters the earth on the washing stone simultaneously and removes dust in to the storehouse. The clamping rod is arranged to prevent stones in the excavating bucket from accidentally falling off due to rotation in the rotating process.
Description
Technical Field
The invention belongs to the field of mining, and particularly relates to a mining transportation system.
Background
In the mining process of mine, in order to guarantee mining progress and security, need carry out the ore and other that will mine at any time in time to transport out at mining in-process, consequently need design a mining transportation system, accomplish following several points mainly:
firstly, a clamping rod is arranged to prevent stones in the excavating bucket from accidentally falling off due to rotation in the rotating process.
And secondly, after the excavating bucket is toppled over, the flexible sliding rod drives the movable push rod to turn upwards by a small amplitude, and stones on the movable push rod are pushed to the primary conveyor belt.
And thirdly, the impact cam carries out small-amplitude jacking on the one-level conveyor belt so that the generated vibration shakes and falls off the small broken stone, and meanwhile, the spraying device sprays water to clean the soil on the stone and removes dust in the bin.
Disclosure of Invention
The invention aims to provide a mining transportation system aiming at the problems in the prior art. After the excavating bucket is toppled over, the flexible sliding rod drives the movable push rod to turn upwards by a small amplitude, and stones on the movable push rod are pushed to the primary conveyor belt. Hit the cam and carry out the jack-up of small range with one-level conveyer belt and make the vibrations of production shake the little stone of bits of broken glass and fall, and spray set waters the earth on the washing stone simultaneously and removes dust in to the storehouse. The clamping rod is arranged to prevent stones in the excavating bucket from accidentally falling off due to rotation in the rotating process.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a mining transportation system, includes the transport storehouse, the transport storehouse is close to the installation of mountain body inside direction and is equipped with the excavation module, the installation is equipped with into mud module in the transport storehouse below the excavation module.
Preferably, the transportation bin comprises a transportation bin shell, and a transportation module facing away from the direction of the excavation module is arranged in the transportation bin shell.
Preferably, the excavating module comprises rotating shafts fixedly installed at two sides in the transport bin, two annular chucks are symmetrically distributed on the rotating shafts along the circumferential direction, and the chucks are uniformly provided with six movable excavating buckets along the circumferential direction; a torsion spring shaft is arranged on the chuck of each excavating bucket, a clamping rod groove is formed in the chuck below the torsion spring shaft, and a clamping rod which rolls in the clamping rod groove and penetrates between the two chucks is arranged in the clamping rod groove; the fixed connection is equipped with the dead lever in the transportation storehouse casing, the dead lever is located pivot outside fixed mounting cover has fixed cover, fixed cover is equipped with fixed member towards the direction of transportation module slant top.
Preferably, the mud feeding module comprises two symmetrical mud feeding shafts which are fixedly installed at the bottom of the transportation bin shell and located under the chuck, and each mud feeding shaft is provided with a mud feeding claw along the plane direction of the bottom of the transportation bin shell.
Preferably, the transportation module comprises a primary conveyor belt, the primary conveyor belt is provided with a plurality of sieve holes, the primary conveyor belt is provided with a telescopic groove in the direction close to the excavating module, a push plate is arranged in the telescopic groove, and the push plate is hinged with a movable push rod towards the direction of the excavating module; the movable push rod is provided with a hydraulic sliding groove at the side wall of the transportation bin shell, a telescopic slide rod connected to the movable push rod is arranged in the hydraulic sliding groove, the hydraulic sliding groove is provided with a hydraulic pipeline, the hydraulic pipeline is provided with a hydraulic groove in the transportation bin shell, a telescopic rod facing the direction of the excavating module is arranged in the hydraulic groove, a rod groove is fixedly arranged on the telescopic rod, and a press rod is arranged on the transportation bin shell in the rod groove; a plurality of hitting cams for pushing the primary conveyor belt to vibrate upwards in a small range are arranged on the side wall of the shell of the conveying bin below the primary conveyor belt along the direction of the primary conveyor belt; a secondary conveyor belt is arranged below the striking cam, a plurality of water filtering holes are formed in the secondary conveyor belt, and a plurality of pressure sprayers are fixedly arranged above the secondary conveyor belt and positioned on the side wall of the transport bin; and a sewage draining groove is arranged below the secondary conveyor belt.
Preferably, the compression bar comprises a sleeve which is fixed on the transportation bin shell and can rotate through a through hole, two sides of a pupil of the sleeve are respectively and fixedly provided with a fixed cushion pad, the fixed cushion pad is provided with a pressure spring, the pressure spring is back to the fixed cushion pad, a pressure buffer block is arranged in the through hole of the sleeve, a sliding rod which is smaller than the through hole in diameter and can slide in the through hole is arranged in the through hole of the sleeve, and two ends of the sliding rod are respectively and fixedly provided with a clamping block.
Advantageous effects
The invention provides a mining transportation system through improvement, compared with the prior art, the mining transportation system has the following improvement and advantages:
1. after the excavating bucket is toppled over, the flexible sliding rod drives the movable push rod to turn upwards by a small amplitude, and stones on the movable push rod are pushed to the primary conveyor belt.
2. The impact cam of the invention jacks up the primary conveyor belt in a small amplitude, so that the generated vibration shakes off small stones, and the spraying device sprays water to clean soil on the stones and removes dust in the bin.
3. The invention is provided with the clamping rod to prevent stones in the excavating bucket from accidentally falling off due to rotation in the rotating process.
Drawings
Fig. 1 is an isometric schematic of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a sectional view taken along the direction E-E in fig. 2.
Fig. 4 is a sectional view taken along line C-C in fig. 3.
Fig. 5 is a sectional view taken along line D-D in fig. 3.
Fig. 6 is an enlarged view at a in fig. 3.
Fig. 7 is an enlarged view at B in fig. 3.
In the figure, 10, an excavating bucket; 11. a chuck; 12. a torsion spring shaft; 13. clamping the rod; 14. a bar clamping groove; 15. a fixed connecting rod; 16. a rotating shaft; 17. a mud feeding claw; 18. a mud inlet shaft; 19. fixing the rod piece; 20. a pressure lever; 21. a rod groove; 22. a telescopic rod; 23. a hydraulic tank; 24. a hydraulic conduit; 25. a spraying device; 26. screening holes; 27. a primary conveyor belt; 28. striking a cam; 29. a pressure sprayer; 30. a secondary conveyor belt; 31. water filtering holes; 32. fixing a sleeve; 33. fixing the rod; 34. a slide bar; 35. a sewage draining groove; 36. a clamping block; 37. a pressure buffer block; 38. a pressure spring; 39. fixing the cushion pad; 40. a sleeve; 41. a hydraulic sliding groove; 42. a telescopic slide bar; 43. a movable push rod; 44. a telescopic groove; 45. pushing the plate; 46. a pusher spring; 81. a transport bin; 82. a digging module; 83. a mud feeding module; 84. and (5) a transportation module.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-7, a mining transportation system comprises a transportation bin 81, an excavating module 82 is installed on the transportation bin 81 close to the inner direction of a mountain, and a mud feeding module 83 is installed below the excavating module 82 and in the transportation bin 81.
Further, the transportation bin 81 comprises a transportation bin housing, and a transportation module 84 facing away from the excavation module 82 is arranged in the transportation bin housing.
Furthermore, the excavating module 82 comprises rotating shafts 16 fixedly installed at two sides in the transportation bin 81, two annular chucks 11 are symmetrically distributed on the rotating shafts 16 along the circumferential direction, and six movable excavating buckets 10 are uniformly arranged on the chucks 11 along the circumferential direction; a torsion spring shaft 12 is arranged on the chuck 11 of each excavating bucket 10, a clamping bar groove 14 is formed in the chuck 11 below the torsion spring shaft 12, and a clamping bar 13 which rolls in the clamping bar groove 14 and penetrates between the two chucks 11 is arranged in the clamping bar groove 14; the fixing rod 33 is fixedly connected in the transportation bin shell, the fixing sleeve 32 is fixedly installed on the fixing rod 33 and located on the outer side of the rotating shaft 16, and the fixing rod piece 19 is arranged on the fixing sleeve 32 in the direction towards the transportation module 84 in the inclined upward direction.
Further, the mud feeding module 83 comprises two symmetrical mud feeding shafts 18 fixedly arranged at the bottom of the transportation cabin shell and located right below the chuck 11, and each mud feeding shaft 18 is provided with a mud feeding claw 17 along the plane direction of the bottom of the transportation cabin shell.
Further, the transportation module 84 comprises a first-stage conveyor belt 27, a plurality of sieve holes 26 are formed in the first-stage conveyor belt 27, a telescopic groove 44 is formed in the first-stage conveyor belt 27 in the direction close to the excavation module 82, a push plate 45 is arranged in the telescopic groove 44, and a movable push rod 43 facing the excavation module 82 is hinged to the push plate 45; a hydraulic sliding groove 41 is formed in the side wall, located on the shell of the transport bin, of the movable push rod 43, a telescopic slide rod 42 connected to the movable push rod 43 is arranged in the hydraulic sliding groove 41, a hydraulic pipeline 24 is arranged in the hydraulic sliding groove 41, a hydraulic groove 23 is formed in the position, located in the shell of the transport bin, of the hydraulic pipeline 24, a telescopic rod 22 facing the direction of the excavating module 82 is arranged in the hydraulic groove 23, a rod groove 21 is fixedly formed in the telescopic rod 22, and a compression rod 20 is arranged on the position, located on the shell of the transport bin, of the rod groove 21; a plurality of striking cams 28 for pushing the primary conveyor belt 27 to vibrate upwards in a small range are arranged on the side wall of the shell of the transportation bin below the primary conveyor belt 27 along the direction of the primary conveyor belt 27; a secondary conveyor belt 30 is arranged below the striking cam 28, a plurality of water filtering holes 31 are formed in the secondary conveyor belt 30, and a plurality of pressure sprayers 29 are fixedly arranged on the side wall of the transport bin above the secondary conveyor belt 30; a sewage draining groove 35 is arranged below the secondary conveyor belt 30.
Furthermore, the pressure lever 20 comprises a sleeve 40 which is fixed on the transportation bin shell and provided with a through hole and can rotate, two sides of the pupil of the sleeve 40 are respectively and fixedly provided with a fixed cushion pad 39, the fixed cushion pad 39 is provided with a pressure spring 38, the pressure spring 38 is provided with a pressure cushion block 37 in the direction opposite to the direction of the fixed cushion pad 39, a slide bar 34 which is smaller than the through hole in diameter and can slide in the through hole is arranged in the through hole of the sleeve 40, and two ends of the slide bar 34 are respectively and fixedly provided with a clamping block 36.
Principle of operation
The operation of the equipment is checked before the mining transportation system is enabled for ore mining and transportation. Firstly, whether the power supply of each device is intact and whether safety measures are in place are checked. The connection between each equipment is ensured to be good and effective, and the equipment can normally run by opening each equipment switch.
And (4) conveying the mining transportation system to an area where ore mining is required through a pushing device, turning on a system power supply and controlling the system to start working through a terminal. The rotating shaft 16 rotates to drive the chuck 11 to rotate clockwise, the clamping rod 13 in the clamping rod groove 14 close to one side of the mountain is located on one side back to the rotating shaft 16, and the excavating bucket 10 is limited by the clamping position to enable normal mining of a mine to be carried out.
As the chuck 11 continues to rotate, the catch bar 13 in the catch bar groove 14 moves down the track, causing the excavator bucket 10 to rotate counterclockwise about the torsion spring shaft 12 until the opening remains horizontal. When the excavator bucket 10 continues to rotate, the fixed rod piece 19 blocks the excavator bucket 10 to start to rotate clockwise, meanwhile, the torsion spring shaft 12 pushes the sleeve 34 to drive the sleeve 40 to rotate, the lower side 34 pushes the rod groove 21 to extrude hydraulic oil into the hydraulic groove 23, so that the hydraulic oil in the hydraulic sliding groove 41 pushes the telescopic sliding rod 42 to move the movable push rod 43 towards the direction of the excavating module 82, and the movable push rod 43 is just positioned right below the dumping position of the excavator bucket 10. After the dumping is finished, the push plate 45 moves towards the telescopic groove 44 under the action of the elastic force of the push plate spring 46, and meanwhile, the telescopic slide rod 42 drives the movable push rod 43 to turn upwards by a small amplitude, so that stones on the movable push rod 43 are pushed to the first-stage conveyor belt 27.
When the stone transported on one-level conveyer belt 27, hit cam 28 and continue to rotate, carry out the jack-up of small range with one-level conveyer belt 27 and make the vibrations of production fall to second grade conveyer belt 30 with garrulous little stone through sieve mesh 26 on, spray set 25 sprays constantly to the watering down simultaneously, washs the earth on the stone and removes dust in the storehouse. In the process of continuous conveying of the secondary conveyor belt 30 at any time, the pressure sprayer 29 intermittently sprays water flow to prevent the water filtering holes 31 from being blocked by sludge. And simultaneously the soil and water fall into the sewage tank 35 and are discharged.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A mining haulage system comprising a haulage compartment (81), characterized in that: the transportation storehouse (81) are close to the installation of mountain internal direction and are equipped with and excavate module (82), it is equipped with into mud module (83) to excavate module (82) below in transportation storehouse (81) installation.
2. A mining transportation system as claimed in claim 1, wherein: the transportation bin (81) comprises a transportation bin shell, and a transportation module (84) facing away from the direction of the excavation module (82) is arranged in the transportation bin shell and far away from the direction of the excavation module (82).
3. A mining transportation system as claimed in claim 1, wherein: the excavating module (82) comprises rotating shafts (16) fixedly arranged on two sides in the transport bin (81), two circular chucks (11) are symmetrically distributed on the rotating shafts (16) along the circumferential direction, and six movable excavating buckets (10) are uniformly arranged on the chucks (11) along the circumferential direction; a torsion spring shaft (12) is arranged on each digging bucket (10) on the chuck (11), a clamping bar groove (14) is formed in the position, below the torsion spring shaft (12), on the chuck (11), and a clamping bar (13) which rolls in the clamping bar groove (14) and penetrates through the two chucks (11) is arranged in the clamping bar groove (14); the fixed connection is equipped with dead lever (33) in the transportation storehouse casing, dead lever (33) are located pivot (16) outside fixed mounting cover has fixed cover (32), fixed cover (32) are equipped with fixed member (19) towards transportation module (84) direction of ascending one side.
4. A mining transportation system as claimed in claim 1, wherein: the mud feeding module (83) comprises two symmetrical mud feeding shafts (18) which are fixedly arranged at the bottom of the transport bin shell and are positioned under the chuck (11), and each mud feeding shaft (18) is provided with a mud feeding claw (17) along the plane direction of the bottom of the transport bin shell.
5. A mining transportation system as claimed in claim 1, wherein: the conveying module (84) comprises a primary conveying belt (27), a plurality of sieve holes (26) are formed in the primary conveying belt (27), a telescopic groove (44) is formed in the direction, close to the excavating module (82), of the primary conveying belt (27), a push plate (45) is arranged in the telescopic groove (44), and a movable push rod (43) facing the excavating module (82) is hinged to the push plate (45); the movable push rod (43) is positioned on the side wall of the transportation bin shell and provided with a hydraulic sliding groove (41), a telescopic slide rod (42) connected to the movable push rod (43) is arranged in the hydraulic sliding groove (41), the hydraulic sliding groove (41) is provided with a hydraulic pipeline (24), the hydraulic pipeline (24) is positioned in the transportation bin shell and provided with a hydraulic groove (23), a telescopic rod (22) facing the direction of the excavating module (82) is arranged in the hydraulic groove (23), a rod groove (21) is fixedly arranged on the telescopic rod (22), and a pressing rod (20) is arranged on the transportation bin shell and positioned in the rod groove (21); a plurality of striking cams (28) for pushing the primary conveyor belt (27) to vibrate upwards in a small range are arranged below the primary conveyor belt (27) and on the side wall of the conveying bin shell along the direction of the primary conveyor belt (27); a secondary conveyor belt (30) is arranged below the striking cam (28), a plurality of water filtering holes (31) are formed in the secondary conveyor belt (30), and a plurality of pressure sprayers (29) are fixedly arranged on the side wall of the transport bin above the secondary conveyor belt (30); a sewage draining groove (35) is arranged below the secondary conveyor belt (30).
6. A mining transportation system as claimed in claim 5, wherein: depression bar (20) are including fixing and seted up through-hole can pivoted sleeve (40) on the transportation storehouse casing, sleeve (40) pupil both sides fixed mounting respectively is equipped with fixed blotter (39), fixed blotter (39) are equipped with pressure spring (38), pressure spring (38) are equipped with pressure buffer block (37) dorsad fixed blotter (39) direction, be equipped with diameter in sleeve (40) through-hole and be less than gliding slide bar (34) in the through-hole of through-hole, slide bar (34) both ends are fixed respectively and are equipped with fixture block (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550586.5A CN114109381A (en) | 2021-12-17 | 2021-12-17 | Mining transportation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111550586.5A CN114109381A (en) | 2021-12-17 | 2021-12-17 | Mining transportation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114109381A true CN114109381A (en) | 2022-03-01 |
Family
ID=80365831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111550586.5A Pending CN114109381A (en) | 2021-12-17 | 2021-12-17 | Mining transportation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114109381A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2284415C1 (en) * | 2005-06-02 | 2006-09-27 | Евгений Владимирович Основин | Ditching and transporting rig for layered pit excavation |
| CN109322665A (en) * | 2018-10-25 | 2019-02-12 | 付耀文 | A kind of small-sized superficial coal mining transport storage device |
| CN109882166A (en) * | 2017-12-06 | 2019-06-14 | 浠诲己 | A kind of mineral non-renewable resources excavating gear |
| CN110500093A (en) * | 2019-07-05 | 2019-11-26 | 傅明尧 | It is a kind of to crush winning equipment from filter |
| CN214555733U (en) * | 2021-04-13 | 2021-11-02 | 中国地质科学院郑州矿产综合利用研究所 | Grit fine granule material ore washing device |
| CN214652217U (en) * | 2021-05-12 | 2021-11-09 | 吉仁路 | Mining conveyer |
-
2021
- 2021-12-17 CN CN202111550586.5A patent/CN114109381A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2284415C1 (en) * | 2005-06-02 | 2006-09-27 | Евгений Владимирович Основин | Ditching and transporting rig for layered pit excavation |
| CN109882166A (en) * | 2017-12-06 | 2019-06-14 | 浠诲己 | A kind of mineral non-renewable resources excavating gear |
| CN109322665A (en) * | 2018-10-25 | 2019-02-12 | 付耀文 | A kind of small-sized superficial coal mining transport storage device |
| CN110500093A (en) * | 2019-07-05 | 2019-11-26 | 傅明尧 | It is a kind of to crush winning equipment from filter |
| CN214555733U (en) * | 2021-04-13 | 2021-11-02 | 中国地质科学院郑州矿产综合利用研究所 | Grit fine granule material ore washing device |
| CN214652217U (en) * | 2021-05-12 | 2021-11-09 | 吉仁路 | Mining conveyer |
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Effective date of registration: 20240703 Address after: 423000 Enterprise Service Center Building, Guiyang High tech Industrial Development Zone Innovation and Entrepreneurship Park, Huangshaping Street, Guiyang County, Chenzhou City, Hunan Province Applicant after: Guiyang Dawei Mining Co.,Ltd. Country or region after: China Address before: 311311 No. 8, Fengshan Road, Yuqian Town, Lin'an City, Hangzhou City, Zhejiang Province Applicant before: Chen Changqing Country or region before: China |