CN116357325A - Steep slope mining device and method for strip mine - Google Patents
Steep slope mining device and method for strip mine Download PDFInfo
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- CN116357325A CN116357325A CN202310515765.8A CN202310515765A CN116357325A CN 116357325 A CN116357325 A CN 116357325A CN 202310515765 A CN202310515765 A CN 202310515765A CN 116357325 A CN116357325 A CN 116357325A
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- trunk line
- transportation trunk
- steep slope
- auxiliary
- top surface
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- 238000005065 mining Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 239000003245 coal Substances 0.000 claims abstract description 21
- 230000007723 transport mechanism Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 11
- 239000011435 rock Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
- E21C47/02—Machines for obtaining or the removal of materials in open-pit mines for coal, brown coal, or the like
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a mining device and a mining method for a steep slope of an open pit mine, comprising a main transportation trunk line, an auxiliary transportation trunk line and a prefabricated supporting pier, wherein coal conveying mechanisms are arranged in the main transportation trunk line and the auxiliary transportation trunk line, a mounting frame is arranged on the top surface of the main transportation trunk line in a sliding manner, and a sliding block is arranged on the inner wall surface of the mounting frame. According to the invention, the steep-side mining coal transportation line is divided into the main transportation trunk line and the auxiliary transportation trunk line, so that when the strip mining is carried out on the strip mine, the auxiliary transportation trunk line is simply regulated, the main transportation trunk line is not regulated, the input cost of the movable transportation trunk line is reduced to a certain extent, the auxiliary transportation trunk line is conveniently moved on the main transportation trunk line by the cooperation of the installation frame, the sliding block and the first sliding rail and the second sliding rail, and the angle of the auxiliary transportation trunk line is conveniently regulated by the cooperation of the installation seat, the connecting column and the rotating table, so that the use flexibility of the auxiliary transportation trunk line is improved.
Description
Technical Field
The invention relates to the technical field of open-pit mine steep slope mining, in particular to an open-pit mine steep slope mining device and method.
Background
Steep slope mining is a general term for a technological method, technical measures and a mining and stripping procedure adopted by a steep strip mine rock stripping working slope. Aiming at the technical and economic characteristics that the initial rock stripping amount of the pit open pit mine is larger and the production stripping ratio is larger than the average stripping ratio, the method is an effective technological measure for delaying part of the rock stripping amount and saving capital investment in order to balance the stripping ratio in the whole production period.
Steep slope mining is a general term for a technological method, technical measures and a mining and stripping procedure adopted by a steep strip mine rock stripping working slope. Aiming at the technical and economic characteristics that the initial rock stripping amount of the pit open pit mine is larger and the production stripping ratio is larger than the average stripping ratio, the method is an effective technological measure for delaying part of the rock stripping amount and saving capital investment in order to balance the stripping ratio in the whole production period. It can also shorten the exposure time of the final side wall, and is beneficial to the stability of the side slope
The steep slope mining has the advantages of small rock stripping amount, less investment, short construction period, quick production, obvious economic benefit, and wide application in newly built mines, concave strip mines with not coming stripping flood peaks and mine with expanded reconstruction, but the open stope generally adopts a movable pit line when the steep slope mining is performed, and when one rock strip is stripped, the transportation trunk line needs to be moved once to construct a new line, so that compared with the fixed pit line, the line has large construction and maintenance engineering amount and high cost.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a device and a method for mining a steep slope of an open-pit mine.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a steep slope mining device of strip mine and method, includes main transportation trunk, assists transportation trunk and prefabricated support mound, main transportation trunk and the inside coal transport mechanism that all installs of assisting transportation trunk, main transportation trunk top surface slidable mounting has the installing frame, installing frame inner wall surface mounting has the slider, first slide rail and second slide rail have been seted up respectively to main transportation trunk outside surface, the installing frame passes through slider and first slide rail and second slide rail sliding connection, installing frame top surface mounting has the revolving stage, revolving stage top surface mounting has the mount pad, assist transportation trunk bottom surface mounting has the connecting seat, the connecting seat passes through round pin axle and mount pad swing joint.
As a further description of the above technical solution:
the material receiving mechanism is formed by a material receiving hopper and a conveying cylinder, the material receiving hopper is installed on the top surface of the conveying cylinder in a penetrating mode, a sliding rod is welded below the surface of the conveying cylinder, a sliding groove is formed in the top surface of the main conveying trunk, and the sliding rod is connected with the sliding groove in a sliding mode.
As a further description of the above technical solution:
the supporting mechanism is formed by adjusting a supporting threaded column and an adjusting cylinder, an inner threaded hole is formed in the bottom end surface of the adjusting cylinder, the adjusting supporting threaded column is in threaded connection with the inner threaded hole, the top end of the adjusting cylinder is fixed with the bottom end surface of the auxiliary transportation trunk, a rotating rod is arranged on the outer side surface of the adjusting supporting threaded column, and a supporting block is arranged at the bottom end of the adjusting supporting threaded column.
As a further description of the above technical solution:
the auxiliary transportation trunk outside surface is installed the connecting rod perpendicularly, connecting rod one end is provided with rings.
As a further description of the above technical solution:
the supporting mechanisms are arranged in a plurality, and the supporting mechanisms are equidistantly arranged on the bottom end surface of the auxiliary transportation trunk line.
As a further description of the above technical solution:
the coal conveying mechanism is conveyed by a conveying belt, and the conveying belt is driven by a driving motor.
As a further description of the above technical solution:
the lifting rings are arranged in a plurality, and the lifting rings are equidistantly arranged on the outer side surface of the auxiliary transportation trunk line through connecting rods.
As a further description of the above technical solution:
the prefabricated support pier top surface is erected and is installed the support column, main transportation trunk line installs at support column top surface, the support column is provided with a plurality of.
Compared with the prior art, the invention has the beneficial effects that;
1. according to the invention, the steep-side mining coal transportation line is divided into the main transportation trunk line and the auxiliary transportation trunk line, so that when the strip mining is carried out on the strip mine, the auxiliary transportation trunk line is simply regulated, the main transportation trunk line is not regulated, the input cost of the movable transportation trunk line is reduced to a certain extent, the auxiliary transportation trunk line is conveniently moved on the main transportation trunk line by the cooperation of the installation frame, the sliding block and the first sliding rail and the second sliding rail, and the angle of the auxiliary transportation trunk line is conveniently regulated by the cooperation of the installation seat, the connecting column and the rotating table, so that the use flexibility of the auxiliary transportation trunk line is improved.
2. According to the invention, the material receiving mechanism is arranged, so that coal transported on the auxiliary transportation trunk line can fall into the main transportation trunk line smoothly, and then is transported out through the coal conveying mechanism in the main transportation trunk line.
3. According to the invention, the supporting mechanism is arranged, so that the auxiliary transportation trunk line is convenient to finely support, the stability of the auxiliary transportation trunk line during working is improved, and meanwhile, the auxiliary transportation trunk line is convenient to adjust the length of the supporting mechanism by adjusting the matching of the supporting threaded column and the adjusting cylinder, so that the auxiliary transportation trunk line is used for the exploitation of terraces with different gradients.
4. According to the invention, by arranging the connecting rod and the hanging ring, when the auxiliary transportation trunk line needs to be adjusted, a worker can conveniently hang the auxiliary transportation trunk line with the hanging ring through the cable and the hanging hook, and then lift one end of the auxiliary transportation trunk line through external mechanical equipment to adjust.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a device and a method for mining a steep slope of a strip mine according to the present invention;
FIG. 2 is a schematic diagram of a mining device and method for steep slope mining of strip mine main transportation trunk according to the present invention;
FIG. 3 is a schematic view of a device and a method for mining a steep slope of a strip mine according to the present invention;
FIG. 4 is a schematic view of a receiving mechanism of a strip mine steep slope mining apparatus and method according to the present invention;
FIG. 5 is a schematic view of a mining device and method for steep slope of an open-pit mine according to the present invention;
FIG. 6 is a schematic view of a mounting base of a strip mine steep slope mining apparatus and method according to the present invention;
FIG. 7 is a schematic view of an installation frame of a strip mine steep slope mining apparatus and method according to the present invention;
fig. 8 is a schematic view of a prefabricated support pier of the device and method for mining steep walls of strip mines according to the present invention.
Legend description:
1. a main transportation trunk line; 2. prefabricating a support pier; 3. a first slide rail; 4. a receiving mechanism; 5. auxiliary transportation trunk lines; 6. a support mechanism; 7. a hanging ring; 8. a chute; 9. a second slide rail; 10. a coal conveying mechanism; 11. an internal threaded hole; 12. adjusting the support threaded column; 13. an adjustment cylinder; 14. a rotating rod; 15. a support block; 16. a receiving hopper; 17. a delivery cylinder; 18. a slide bar; 19. a connecting rod; 20. a connecting seat; 21. a mounting frame; 22. a slide block; 23. a mounting base; 24. a rotary table; 25. and (5) supporting the column.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-8, an apparatus and a method for mining steep highwall in an open pit mine, which comprises a main transportation trunk line 1, an auxiliary transportation trunk line 5 and a prefabricated supporting pier 2, and is characterized in that coal conveying mechanisms 10 are respectively installed in the main transportation trunk line 1 and the auxiliary transportation trunk line 5, a mounting frame 21 is slidably installed on the top surface of the main transportation trunk line 1, a sliding block 22 is installed on the inner wall surface of the mounting frame 21, a first sliding rail 3 and a second sliding rail 9 are respectively arranged on the outer side surface of the main transportation trunk line 1, the mounting frame 21 is in sliding connection with the first sliding rail 3 and the second sliding rail 9 through the sliding block 22, a rotary table 24 is installed on the top surface of the mounting frame 21, a mounting seat 23 is installed on the top surface of the rotary table 24, a connecting seat 20 is movably connected with the mounting seat 23 through a pin shaft, the coal conveying mechanisms 10 are conveyed by a conveying belt, the conveying belt is driven by a driving motor to divide the steep transportation line into the main transportation trunk line 1 and the auxiliary transportation trunk line 5, and accordingly, when the mining steep transportation trunk line 1 is carried out, the mining highwall is carried out on the main transportation trunk line 1, the sliding block is required to be simply and the sliding rail 1 and the second sliding rail is required to be matched with the first sliding rail 3 and the second sliding rail 9, the sliding table is convenient to be installed on the main transportation trunk line 1 and the main transportation trunk line 1 through the sliding table through the sliding rail is required to be adjusted, and the sliding table is convenient to be installed on the sliding table to be conveniently, and the sliding table is required to be installed on the main rail to be installed.
In the second embodiment, referring to fig. 1 and 4, the top surface of the main transportation trunk line 1 is slidably provided with the material receiving mechanism 4, the material receiving mechanism 4 is composed of a material receiving hopper 16 and a conveying cylinder 17, the material receiving hopper 16 is installed on the top surface of the conveying cylinder 17 in a penetrating manner, a sliding rod 18 is welded below the surface of the conveying cylinder 17, the top surface of the main transportation trunk line 1 is provided with a sliding groove 8, the sliding rod 18 is slidably connected with the sliding groove 8, and the material receiving mechanism 4 is arranged, so that coal transported on the auxiliary transportation trunk line 5 can conveniently fall into the main transportation trunk line 1 smoothly, and then is conveyed out through a coal conveying mechanism 10 inside the main transportation trunk line 1.
In the third embodiment, referring to fig. 1 and 3, a supporting mechanism 6 is vertically installed on the bottom surface of the auxiliary transportation trunk 5, the supporting mechanism 6 is composed of an adjusting supporting threaded column 12 and an adjusting cylinder 13, an internal threaded hole 11 is formed on the bottom surface of the adjusting cylinder 13, the adjusting supporting threaded column 12 is in threaded connection with the internal threaded hole 11, the top end of the adjusting cylinder 13 is fixed on the bottom surface of the auxiliary transportation trunk 5, a rotating rod 14 is arranged on the outer side surface of the adjusting supporting threaded column 12, a supporting block 15 is arranged at the bottom end of the adjusting supporting threaded column 12, a plurality of supporting mechanisms 6 are arranged on the bottom surface of the auxiliary transportation trunk 5 at equal distance, fine supporting of the auxiliary transportation trunk 5 is facilitated by arranging the supporting mechanisms 6, so that stability of the auxiliary transportation trunk 5 in operation is improved, meanwhile, the auxiliary transportation trunk 5 is convenient to adjust the length of the supporting mechanisms 6 by adjusting the supporting threaded column 12 and the adjusting cylinder 13, and accordingly the auxiliary transportation trunk 5 is used for mining coal mines with different gradients.
Referring to fig. 1 and 8, a connecting rod 19 is vertically installed on the outer side surface of the auxiliary transportation trunk line 5, a lifting ring 7 is arranged at one end of the connecting rod 19, a plurality of lifting rings 7 are arranged, the plurality of lifting rings 7 are equidistantly installed on the outer side surface of the auxiliary transportation trunk line 5 through the connecting rod 19, a support column 25 is vertically installed on the top surface of the prefabricated support pier 2, the main transportation trunk line 1 is installed on the top surface of the support column 25, the support column 25 is provided with a plurality of connecting rods 19 and the lifting rings 7, so that when the auxiliary transportation trunk line 5 needs to be adjusted, workers can hang the lifting rings 7 through a rope and a hook, and then lift one end of the auxiliary transportation trunk line 5 through external mechanical equipment to be adjusted.
The construction method of the strip mine steep slope mining device and the strip mine steep slope mining method specifically comprises the following steps:
1. the worker marks the position of the prefabricated support pier 2 in advance, then fixes the prefabricated support pier 2, then installs the support column 25 on the top surface of the prefabricated support pier 2, and then fixes the main transportation trunk line 1;
2. then, the personnel can flexibly connect one end of the auxiliary transportation trunk line 5 with the mounting seat 23 at one end of the main transportation trunk line 1 through the pin shaft, so that the auxiliary transportation trunk line 5 is conveniently in butt joint with the transportation trunk line;
3. then the auxiliary transportation trunk line 5 is fixed on a designated mining line through the length of the supporting mechanism 6;
4. detecting whether an end slope coal cutter is installed in place or not, and then cutting coal;
5. and finally, the material receiving mechanism 4 is moved to the position above the bottom end of the auxiliary transportation trunk line 5, then coal mined by the end slope coal mining machine enters a coal conveying mechanism in the auxiliary transportation trunk line 5 for conveying, and then the coal is conveyed to the inside of the main transportation trunk line 1 through the material receiving mechanism 4 for final conveying.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a strip mine steep slope mining device and method, includes main transportation trunk (1), assists transportation trunk (5) and prefabricated mound (2), its characterized in that, main transportation trunk (1) and assist transportation trunk (5) inside all install coal transport mechanism (10), main transportation trunk (1) top surface sliding mounting has installing frame (21), installing frame (21) inner wall surface mounting has slider (22), first slide rail (3) and second slide rail (9) have been seted up respectively to main transportation trunk (1) outside surface, installing frame (21) are through slider (22) and first slide rail (3) and second slide rail (9) sliding connection, installing frame (21) top surface mounting has revolving stage (24), revolving stage (24) top surface mounting has mount pad (23), assist transportation trunk (5) bottom surface mounting has connecting seat (20), connecting seat (20) are through round pin axle and mount pad (23) swing joint.
2. The strip mine steep slope mining device and method according to claim 1, wherein a receiving mechanism (4) is slidably mounted on the top surface of the main transportation trunk line (1), the receiving mechanism (4) is composed of a receiving hopper (16) and a conveying cylinder (17), the receiving hopper (16) is penetratingly mounted on the top surface of the conveying cylinder (17), a sliding rod (18) is welded below the surface of the conveying cylinder (17), a sliding groove (8) is formed in the top surface of the main transportation trunk line (1), and the sliding rod (18) is slidably connected with the sliding groove (8).
3. The strip mine steep slope mining device and method according to claim 1, wherein a supporting mechanism (6) is vertically installed on the bottom end surface of the auxiliary transportation trunk line (5), the supporting mechanism (6) is composed of an adjusting supporting threaded column (12) and an adjusting cylinder (13), an inner threaded hole (11) is formed in the bottom end surface of the adjusting cylinder (13), the adjusting supporting threaded column (12) is in threaded connection with the inner threaded hole (11), the top end of the adjusting cylinder (13) is fixed with the bottom end surface of the auxiliary transportation trunk line (5), a rotating rod (14) is arranged on the outer side surface of the adjusting supporting threaded column (12), and a supporting block (15) is arranged at the bottom end of the adjusting supporting threaded column (12).
4. The strip mine steep slope mining device and method according to claim 1, wherein a connecting rod (19) is vertically installed on the outer side surface of the auxiliary transportation trunk line (5), and a hanging ring (7) is arranged at one end of the connecting rod (19).
5. A strip mine steep slope mining apparatus and method according to claim 3, wherein a plurality of the supporting means (6) are provided, and the plurality of supporting means (6) are equidistantly installed on the bottom end surface of the auxiliary transportation trunk line (5).
6. The strip mine steep slope mining apparatus and method as claimed in claim 1, wherein the coal conveying means (10) is conveyed by a conveyor belt, the conveyor belt being driven by a drive motor.
7. The strip mine steep slope mining device and method according to claim 4, wherein a plurality of hanging rings (7) are arranged, and the hanging rings (7) are equidistantly arranged on the outer side surface of the auxiliary transportation trunk line (5) through connecting rods (19).
8. The strip mine steep slope mining device and method according to claim 1, wherein the top surface of the prefabricated support pier (2) is vertically provided with support columns (25), the main transportation trunk line (1) is arranged on the top surface of the support columns (25), and a plurality of support columns (25) are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310515765.8A CN116357325A (en) | 2023-05-09 | 2023-05-09 | Steep slope mining device and method for strip mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310515765.8A CN116357325A (en) | 2023-05-09 | 2023-05-09 | Steep slope mining device and method for strip mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116357325A true CN116357325A (en) | 2023-06-30 |
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ID=86928828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310515765.8A Pending CN116357325A (en) | 2023-05-09 | 2023-05-09 | Steep slope mining device and method for strip mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116357325A (en) |
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2023
- 2023-05-09 CN CN202310515765.8A patent/CN116357325A/en active Pending
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