CN110469331B - Intelligent shovel loading and transporting system for surface mine - Google Patents
Intelligent shovel loading and transporting system for surface mine Download PDFInfo
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- CN110469331B CN110469331B CN201910839640.4A CN201910839640A CN110469331B CN 110469331 B CN110469331 B CN 110469331B CN 201910839640 A CN201910839640 A CN 201910839640A CN 110469331 B CN110469331 B CN 110469331B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
Abstract
The invention discloses an intelligent shovel loading and transporting system for an open-pit mine, wherein a supporting vertical frame (12) surrounds an open pit (19) and is arranged on a vertical frame foundation (14), a fixed beam (11) is arranged on the supporting vertical frame (12), a moving beam (1) is movably arranged above the fixed beam (11) from front to back, a transfer beam (2) is vertically arranged above the moving beam (1), and a bucket (4) is suspended and fixed below the transfer beam (2); the supporting rolling wheels (18) are hung below the fixed beam (11), the annular hoisting cable device (6) is supported on the supporting rolling wheels (18), and the loading bucket (5) is hung on the annular hoisting cable device (6); a lifting shovel loading and transferring driving device (9) is arranged on the transferring beam (2); the moving beam driving device (10) is connected with the moving beam (1) and controls the moving beam (1) to move left and right. The invention is not limited by the slope angle of the open stope, and realizes the vertical lifting and horizontal transportation of ore rocks.
Description
Technical Field
The invention belongs to the technical field of surface mine shovel loading transportation, and particularly relates to an intelligent shovel loading transportation system for surface mine pit mining, which can be widely applied to surface mine mining of black, colored, gold, building materials and the like.
Background
The process of surface mining generally comprises: the process comprises the steps of perforating, blasting, shovel loading, transporting and rock discharging, wherein all process links are mutually connected, mutually influenced and mutually restricted, and the most basic production cycle of open-pit mining is formed. The shovel loading transportation is long in time consumption and large in workload, and is a key link related to the mining cost. How to adopt the effective shovel loading transportation method has great significance for improving the production efficiency, reducing the mining cost and creating economic benefits.
At present, the modes of road dump truck transportation, railway locomotive transportation, rubber belt transportation and the like are mainly available, and the modes respectively have advantages, disadvantages and suitable application conditions. The highway dump truck has flexible transportation, strong climbing capability, large fuel consumption, environmental pollution and high transportation cost; with the increase of the mining depth, the transport distance is obviously increased, the transportation capacity of the machine shifts is reduced, and the applicable economic mining depth is generally 200-300 m. The railway locomotive has large transportation volume, but large capital investment, poor flexibility and small climbing capacity; along with the increase of the mining depth, the operation cycle is long, the transportation efficiency is obviously reduced, and the applicable economic mining depth is generally 120-150 m. The belt has large transportation capacity, but is limited by the lifting gradient, the maximum lifting capacity is generally 16-18 degrees, and when the hardness of ore rock is large, the belt is seriously abraded, and the maintenance cost is high.
The Chinese utility model 'an open pit mine end slope elevator' (publication number: CN 208220778U) proposes a rock mine lifting device which can move at the end slope of a stope, however, the device is only used at the end part of the stope, is still limited by the lifting angle of a belt, and can not realize vertical lifting transportation; and equipment such as an excavator, a dump truck and the like are still needed to be matched for carrying out shoveling and transporting operation in the stope, the energy consumption is high, the operation environment is polluted, and the intelligent level is low.
Disclosure of Invention
The invention provides an intelligent shovel loading and transporting system for a surface mine, which aims to meet the requirements of surface mine sunken mining, improve the intelligent automatic control level of surface mine shovel loading operation, reduce the shovel loading and transporting cost of the surface mine, reduce the labor intensity of production operation, improve the production operation efficiency and solve the problem of environmental pollution caused by automobile transportation tail gas.
In order to achieve the purpose, the intelligent shovel loading and transporting system for the surface mine is realized by the following technical scheme:
the intelligent shovel loading and transporting system for the open mine comprises a movable beam, a transporting beam, a lifting and transporting device, a bucket, a loading bucket, an annular hoisting cable device, a hoisting driving device, a movable beam driving device, a fixed beam and a supporting vertical frame, wherein the fixed beam, the movable beam and the transporting beam are all made of high-strength steel so as to meet the corresponding shovel loading and transporting load requirement; the supporting vertical frame is a bearing structure, the periphery of the open stope is encircled and installed on the foundation of the vertical frame, and the fixed beam is installed on the supporting vertical frame to form complete closure; the moving beam is movably arranged above the fixed beam in a front-back mode and can horizontally move left and right along the fixed beam, and the transfer work of the loading and transporting bucket between the annular hoisting cable device and the transferring beam is achieved; the transfer beam is vertically arranged above the moving beam and can move back and forth along the moving beam, the bucket is suspended and fixed below the transfer beam, and the bucket can freely rotate in a range of 360 degrees around the lifting transfer device so as to meet the requirement of loading the ore rocks at different positions and improve the loading operation efficiency; the supporting rolling wheels are hoisted below the fixed beam, the annular hoisting cable device is supported on the supporting rolling wheels, and the loading bucket is hoisted on the annular hoisting cable device; the transfer beam is provided with a vertical lifting pulley mechanism, the lifting transfer device is connected with the vertical lifting pulley mechanism through a cable, and the transfer beam is also provided with a lifting shovel loading transfer driving device which controls the lifting transfer device, the bucket and the transfer beam to move and complete the loading, lifting and transferring work of the loading bucket; the hoisting driving device is positioned on the stable ground at one side of the boundary of the open stope, and is connected with the annular hoisting cable device through a control cable and controls the operation of the annular hoisting cable device; the movable beam driving device is connected with the movable beam and controls the movable beam to move left and right so as to control the position of the movable beam in an open stope and meet the shovel loading operation requirements of pile blasting at different positions.
The moving beam of the invention takes the fixed beam as a guide rail, and slides on the fixed beam, and the running speed is controlled within 5 m/s; the transfer beam takes the movable beam as a track and translates along the movable beam, and the running speed is controlled within 3 m/s.
The invention is also provided with a tipping device which is arranged on the fixed beam and positioned above the ore/waste rock storage yard outside the open stope, and the tipping device can control the hopper opening of the loading hopper to pour out the ore/waste rock obliquely downwards.
And limiting anti-collision devices are further arranged at the two ends of the fixed beam and the joint of the movable beam and the fixed beam. Spacing buffer stop comprises multiunit damping spring, damping pad, fixed frame etc. prevents to move the roof beam moving speed and causes the equipment harm at the excessive speed, can play the damping cushioning effect simultaneously.
The annular lifting cable device is annularly arranged along the fixed beam, and is operated anticlockwise or clockwise in a single direction, and the no-load and full-load separate transportation is adopted; the full-load and no-load loading buckets are suspended on the lifting hooks below the annular hoisting cable devices, and the hoisting operation of the loading buckets is completed through the operation of the hoisting cable devices; the interval between adjacent lifting hooks is more than 6 m; the running speed of the annular hoisting cable device is less than or equal to 5m/s and is controlled by a speed changer; according to the production scale condition of a stope, one or more annular hoisting cable devices can be arranged, and a safety interval of 20-30 cm is reserved between adjacent annular hoisting cable devices; the loading buckets on the adjacent annular hoisting cable devices are arranged in a staggered mode, and the interval is not less than 6 m; the support rolling wheels are arranged at intervals, and the interval between adjacent support rolling wheels is controlled to be 1.0-1.5 m; the support rolling wheel can roll automatically, and the friction force between the support rolling wheel and the annular hoisting cable device is reduced.
In order to solve the dust pollution of the ore/waste rock in the process of shoveling, loading and unloading, the invention is also provided with a spraying system consisting of a water supply pipe, a spray head and a control valve, wherein the spray head of the spraying system is arranged above the position of shoveling the ore by the bucket and in the oblique front position of the tipping device. The spraying system is automatically started during shoveling operation and unloading operation, so that dust on the operation surface of the open stope is reduced, and an excellent operation environment is created.
The maintenance ladder stand is a steel ladder which is vertically arranged and is arranged on the support vertical frame in a welding mode, so that a passage for maintenance personnel to go up and down to maintain equipment can be provided; the side of the supporting vertical frame is also provided with an inclined strut, and the supporting vertical frame is fixed with the vertical frame foundation through the inclined strut below.
After the intelligent shovel loading and transporting system for the surface mine adopts the technical scheme, the intelligent shovel loading and transporting system for the surface mine has the following positive effects:
(1) the mine rocks directly reach a mine rock storage yard from the open stope, and are seamlessly connected with the crushing station, so that an unmanned intelligent production stope in the future can be constructed, the intelligent, unmanned and remote dynamic monitoring of the shovel loading and transportation of the mine rocks in the open stope is realized, the mine rocks are loaded and transported at the same time, the all-weather automatic continuous production is realized, the shovel loading and transportation operation efficiency is obviously improved, and the production and operation cost is reduced.
(2) The method is not limited by the slope angle of the open stope, vertical lifting and horizontal transportation of ore rocks are realized, and the defect of small slope of belt transportation is overcome; the problem of environmental pollution caused by automobile transportation tail gas is solved, and transportation vehicle injury and personnel injury accidents are eliminated; meanwhile, the spraying system sprays water to reduce dust, so that an excellent working environment can be created.
(3) The shovel loading transportation condition is created for the steep wall mining of the deep open pit mine, the stope slope angle is obviously improved, the mine rock stripping cost is reduced, and the remarkable economic benefit is created.
Drawings
FIG. 1 is a schematic plan view of an intelligent shovel loader transportation system for a surface mine according to the present invention;
FIG. 2 is a schematic sectional view of the intelligent shovel loader transportation system for a surface mine according to the present invention.
The reference signs are: 1-moving the beam; 2-a transfer beam; 3-lifting transfer device; 4-a bucket; 5, loading and transporting a bucket; 6-circular hoisting cable devices; 7-tipping devices; 8-a hoisting drive device; 9-lifting shovel loading and transferring drive device; 10-a travelling beam drive; 11-a fixed beam; 12-a support stand; 13-diagonal bracing; 14-a stand foundation; 15-overhauling the crawling ladder; 16-a limit anti-collision device; 17-a lighting lamp; 18-supporting the rolling wheel; 19-open stope; 20-ore/waste stockyard; 21-blast hole; 22-blasting pile; 23-crushing station.
Detailed Description
In order to better describe the invention, the intelligent shovel loading and transporting system for the surface mine is further described in detail with reference to the attached drawings.
The plane layout schematic diagram of the intelligent shovel loading and transporting system for the surface mine shown in the figure 1 is combined with the figure 2, so that the intelligent shovel loading and transporting system for the surface mine comprises a moving beam 1, a transferring beam 2, a lifting and transferring device 3, a bucket 4, a loading and transporting bucket 5, an annular hoisting cable device 6, a tipping bucket device 7, a hoisting driving device 8, a moving beam driving device 10, a fixed beam 11, a supporting vertical frame 12, an inclined strut 13, an overhauling ladder stand 15 and a spraying system, wherein the fixed beam 11, the moving beam 1 and the transferring beam 2 are all made of high-strength steel; the support vertical frame 12 surrounds the open-air stope 19 and is installed on a vertical frame foundation 14, the side edge of the support vertical frame 12 is further provided with an inclined strut 13, and the overhaul ladder stand 15 is a vertically arranged steel ladder and is arranged on the support vertical frame 12 in a welding mode. The fixed beam 11 is arranged on the supporting vertical frame 12 and forms a complete closure, the movable beam 1 is movably arranged above the fixed beam 11 in a front-back mode and can translate left and right along the fixed beam 11, the transfer beam 2 is vertically arranged above the movable beam 1 and can move back and forth along the movable beam 1, the bucket 4 is suspended and fixed below the transfer beam 2, and the bucket 4 can freely rotate in a range of 360 degrees around the lifting transshipment device 3; the supporting rolling wheels 18 are hung below the fixed beam 11, the annular hoisting cable device 6 is supported on the supporting rolling wheels 18, the loading and transporting bucket 5 is hung on the annular hoisting cable device 6, the loading and transporting bucket 5 can adopt a box-type structure with the section forms of U-shaped, rectangular and the like, hanging rings are arranged at four corners, a two-rope doubling single-hook hanging mode is adopted, and each loading and transporting bucket 5 is provided with unique identity identification cards which are uniformly arranged; a GPS positioning system is arranged, and the real-time positioning position of the remote control system is automatically displayed; the transfer beam 2 is provided with a vertical lifting pulley mechanism, the lifting transfer device 3 is connected with the vertical lifting pulley mechanism through a cable, and the transfer beam 2 is also provided with a lifting shovel loading transfer driving device 9 which controls the lifting transfer device 3, the bucket 4 and the transfer beam 2 to move and complete the loading, lifting and transferring work of the loading bucket 5; the lifting driving device 8 is positioned on the stable ground at one side of the boundary of the open stope 19, is connected with the annular lifting cable device 6 through a control cable and controls the operation of the annular lifting cable device; the traveling beam driving device 10 is connected to the traveling beam 1 and controls the left and right movement of the traveling beam 1. The tipper unit 7 is mounted on the fixed beam 11 and is located above the ore/waste heap 20 outside the open pit 19. And limiting and anti-collision devices 16 are further arranged at the two ends of the fixed beam 11 and the joint of the movable beam 1 and the fixed beam 11. The spraying system consists of a water supply pipe, a spray head and a control valve, and the spray head of the spraying system is arranged above the shoveling position of the bucket 4 and in the oblique front position of the tipping device 7.
In order to ensure normal operation at night, the fixed beam 11 is also provided with an illuminating lamp 17, the illuminating lamp 17 can adopt a solar lamp and consists of a solar cell module, an LED lamp, a control box and a lamp post, and the power is not less than 1.5 kW; the adjacent interval of the illuminating lamps 17 is less than or equal to 50 m.
The annular lifting cable device 6 is annularly arranged along the fixed beam 11, and adopts anticlockwise or clockwise one-way operation, and no-load and full-load separated transportation; the full-load and no-load loading bucket 5 is suspended on a lifting hook below the annular hoisting cable device 6, and the hoisting work of the loading bucket 5 is completed through the operation of the annular hoisting cable device 6; the interval between adjacent lifting hooks is more than 6 m; the running speed of the annular hoisting cable device 6 is less than or equal to 5m/s and is controlled by a speed changer; according to the production scale condition of a stope, one or more annular hoisting cable devices 6 can be arranged, and a safety interval of 20-30 cm is reserved between every two adjacent annular hoisting cable devices 6; the loading buckets 5 on the adjacent annular hoisting cable devices 6 are arranged in a staggered mode, and the interval is not less than 6 m; the supporting rolling wheels 18 are arranged at intervals, and the interval between adjacent supporting rolling wheels 18 is controlled to be 1.0-1.5 m.
In specific implementation, the intelligent shovel loading and transporting system for the surface mine is realized according to the following processes and steps:
(1) according to the blasting design scheme, drilling holes in the open stope 19 according to the designed designated positions to form blast holes 21 required by blasting; when the open stope 19 is exploded, the mobile beam driving device 10 is remotely controlled by an intelligent control system of a production center control room so as to translate the mobile beam 1 to a safe position far away from an explosion area; after blasting, the blasting pile is moved to a position above the blasting pile 22, and the rock is shoveled and loaded.
(2) The hoisting driving device 8 is remotely controlled through an intelligent control system to start the operation of the annular hoisting cable device 6, and the loading buckets 5 are conveyed into the lifting transshipment device 3 on the movable beam 1 one by one.
(3) Remote control lift shovel loading transportation drive arrangement 9 realizes the automatic unhooking back of shipment fill 5, is descended the ore deposit rock loading working face with loading fill 5 by lift transshipment device 3, then controls scraper bowl 4 and carries out the shovel loading operation, loads the ore deposit rock into loading fill 5.
(4) After the loading bucket 5 is full, the loading bucket is lifted to a lifting level through the lifting transshipment device 3; the operation of the transfer beam 2 is controlled by a lifting shovel transfer driving device 9, the transfer beam moves to the side of a fixed beam 11, and the transfer bucket 5 is transferred to a lifting hook on an annular lifting cable device 6; the hoisting operation of the loading bucket 5 is completed by the operation of the annular hoisting cable device 6; and then the loading work of the respective loading buckets 5 is completed one by one. The continuous operation along with loading and transportation is realized, and the automation level and the shovel loading and transportation efficiency are improved.
(5) According to the difference of ore and rock, the full-load loading and transporting bucket 5 is respectively transported into a tipping bucket device 7 above an ore storage yard or a waste rock storage yard to finish the automatic unloading work of ore and rock, and then the ore and rock are transferred to a crushing station 23 arranged at the edge of the ore/waste rock storage yard 20 to carry out ore and rock crushing operation.
(6) The unloaded no-load loading bucket 5 operates along with the annular hoisting cable device 6 to carry out the next cycle loading work.
(7) In practical application, the invention can also be additionally provided with a mobile phone App operating system and a fault alarm system, when an operation fault occurs, the fault alarm system responds and immediately feeds back alarm information to the production control center and the mobile phone App operating system; and then the production management personnel arrange the maintainers to carry out equipment maintenance and repair work.
Claims (6)
1. The utility model provides a surface mine intelligence shovel dress transportation system which characterized in that: the device comprises a moving beam (1), a transfer beam (2), a lifting transfer device (3), a bucket (4), a loading bucket (5), an annular hoisting cable device (6), a hoisting driving device (8), a moving beam driving device (10), a fixed beam (11) and a supporting stand (12), wherein the fixed beam (11), the moving beam (1) and the transfer beam (2) are all made of high-strength steel; the supporting vertical frame (12) surrounds the periphery of an open stope (19) and is installed on a vertical frame foundation (14), a fixed beam (11) is installed on the supporting vertical frame (12) and forms complete closure, a movable beam (1) is movably installed above the fixed beam (11) in the front-back direction and can translate left and right along the fixed beam (11), a transfer beam (2) is vertically installed above the movable beam (1) and can move back and forth along the movable beam (1), a bucket (4) is suspended and fixed below the transfer beam (2), and the bucket (4) can freely rotate in a range of 360 degrees around a lifting transshipment device (3); the supporting rolling wheels (18) are hung below the fixed beam (11), the annular hoisting cable device (6) is supported on the supporting rolling wheels (18), and the loading bucket (5) is hung on the annular hoisting cable device (6); a vertical lifting type pulley mechanism is arranged on the transfer beam (2), the lifting transfer device (3) is connected with the vertical lifting type pulley mechanism through a cable, and a lifting shovel loading transfer driving device (9) which controls the lifting transfer device (3), the bucket (4) and the transfer beam (2) to move and completes the loading, lifting and transferring work of the loading bucket (5) is also arranged on the transfer beam (2); the lifting driving device (8) is positioned on the stable ground at one side of the boundary of the open stope (19), is connected with the annular lifting cable device (6) through a control cable and controls the operation of the annular lifting cable device; the moving beam driving device (10) is connected with the moving beam (1) and controls the moving beam (1) to move left and right.
2. The intelligent shovel loader transportation system for surface mines according to claim 1, characterized in that: the mine dumping system is also provided with a dumping device (7), wherein the dumping device (7) is arranged on the fixed beam (11) and is positioned above the ore/waste rock storage yard (20) outside the open stope (19).
3. The intelligent shovel loader transportation system for surface mines according to claim 1 or 2, characterized in that: and limiting and anti-collision devices (16) are further arranged at the two ends of the fixed beam (11) and the joint of the movable beam (1) and the fixed beam (11).
4. The intelligent shovel loader transportation system for surface mines according to claim 3, wherein: the annular lifting cable device (6) is annularly arranged along the fixed beam (11), and operates anticlockwise or clockwise in a single direction, and is separately transported in a no-load or full-load mode; the full-load and no-load loading and transporting buckets (5) are suspended on lifting hooks below the annular hoisting cable devices (6), and the hoisting operation of the loading and transporting buckets (5) is completed through the operation of the hoisting cable devices (6); the interval between adjacent lifting hooks is more than 6 m; the running speed of the annular hoisting cable device (6) is less than or equal to 5m/s and is controlled by a speed changer; according to the production scale condition of a stope, one or more annular hoisting cable devices (6) are arranged, and a safety interval of 20-30 cm is reserved between every two adjacent annular hoisting cable devices (6); the loading buckets (5) on the adjacent annular hoisting cable devices (6) are arranged in a staggered mode, and the interval is not less than 6 m; the supporting rolling wheels (18) are arranged at intervals, and the interval between adjacent supporting rolling wheels (18) is controlled to be 1.0-1.5 m.
5. The intelligent shovel loader transportation system for surface mines according to claim 4, wherein: the device is also provided with a spraying system consisting of a water supply pipe, a spray head and a control valve, wherein the spray head of the spraying system is arranged above the ore shoveling position of the bucket (4) and in the oblique front position of the tipping bucket device (7).
6. The intelligent shovel loader transportation system for surface mines according to claim 5, wherein: the maintenance ladder stand is also provided with a maintenance ladder stand (15), wherein the maintenance ladder stand (15) is a vertically arranged steel ladder and is arranged on the support stand (12) in a welding mode; an inclined strut (13) is also arranged at the side edge of the supporting vertical frame (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910839640.4A CN110469331B (en) | 2019-09-06 | 2019-09-06 | Intelligent shovel loading and transporting system for surface mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910839640.4A CN110469331B (en) | 2019-09-06 | 2019-09-06 | Intelligent shovel loading and transporting system for surface mine |
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| CN110469331B true CN110469331B (en) | 2020-11-06 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2310233A (en) * | 1940-03-07 | 1943-02-09 | Harrington Joseph | Conveyor-excavator |
| CN2210170Y (en) * | 1994-12-27 | 1995-10-18 | 郝光新 | Machine for unloading weight |
| DE19610217A1 (en) * | 1996-03-15 | 1997-09-18 | Krupp Foerdertechnik Gmbh | Vertical lifting system for solid material |
| CN2747357Y (en) * | 2004-08-19 | 2005-12-21 | 神华集团有限责任公司 | Continuous conveying system for coal excavator |
| CN201102786Y (en) * | 2007-06-25 | 2008-08-20 | 王文平 | Novel silo adhesive tape hoister |
| CN101294494B (en) * | 2008-06-20 | 2010-06-02 | 林天华 | Mine rock material profile modeling recovery method and special equipment thereof |
| CN203497637U (en) * | 2013-08-16 | 2014-03-26 | 青岛华夏橡胶工业有限公司 | Conveying device for open-pit mining |
| DE102015001825A1 (en) * | 2015-02-16 | 2016-08-18 | Thyssenkrupp Ag | Conveying system for open pit mining |
| CN205575334U (en) * | 2016-05-13 | 2016-09-14 | 中国矿业大学 | Opencut dump truck heavy grade hoisting device |
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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Applicant after: MAANSHAN Mine Research Institute Co.,Ltd. Applicant after: MAANSHAN INSTITUTE OF MINING RESEARCH BLASTING ENGINEERING Co.,Ltd. Applicant after: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666 Applicant before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd. Applicant before: MAANSHAN INSTITUTE OF MINING RESEARCH BLASTING ENGINEERING Co.,Ltd. Applicant before: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd. |
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