CN113738365A - Coal mining method based on tracking type transportation equipment - Google Patents
Coal mining method based on tracking type transportation equipment Download PDFInfo
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- CN113738365A CN113738365A CN202111157306.4A CN202111157306A CN113738365A CN 113738365 A CN113738365 A CN 113738365A CN 202111157306 A CN202111157306 A CN 202111157306A CN 113738365 A CN113738365 A CN 113738365A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
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- 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
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- 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
- E21F13/06—Transport of mined material at or adjacent to the working face
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- 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
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention relates to a coal mining method based on tracking type transportation equipment, which comprises tunneling operation and gangue throwing operation, wherein at least one of the tunneling operation and the gangue throwing operation uses the tracking type transportation equipment to transport materials, the tracking type transportation equipment comprises a self-walking device and a belt conveyor arranged on the self-walking device, and the moving tracks of a head, a body and a tail of the tracking type transportation equipment are the same. The invention utilizes the tracking type transportation equipment to transport the coal and the waste rocks, realizes the movement of the coal transportation equipment and the waste rock transportation equipment along with the development machine and the waste rock throwing machine, avoids stopping moving the coal transportation equipment and the waste rock transportation equipment in the development, waste rock throwing and backfilling operation processes, thereby realizing the continuous transportation of the coal and the waste rocks and the continuous development and waste rock throwing operation, simplifying the production process and improving the operation efficiency.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to tunneling and gangue throwing operation, and specifically relates to a coal mining method based on tracking type transportation equipment.
Background
The existing coal mining process comprises excavation and gangue backfill after excavation. When the heading machine performs excavation in a heading roadway, a belt conveyor is arranged behind the heading machine, and the belt conveyor conveys coal excavated by the heading machine to a transportation branch roadway; and when the gangue is backfilled, the gangue is conveyed into the roadway to be filled from the transportation branch roadway through the belt conveyor. Because the belt conveyor can not integrally move, after a certain distance is tunneled or gangue is thrown and filled, the machine needs to be stopped to integrally move the belt conveyor, so that the operation is complex, time and labor are wasted, and the production continuity can not be ensured. And because the belt conveyor can not bend and turn, the length of the belt conveyor is far less than that of an excavation roadway or a roadway to be filled, otherwise, the belt conveyor can not enter the excavation roadway or the roadway to be filled from a transportation branch roadway, so that the transfer equipment is often required to move back and forth between the belt conveyor and the transportation branch roadway for feeding, and because the excavation roadway and the roadway to be filled are narrow, the transfer equipment can not turn around, and only can move forward and backward, the operation efficiency is seriously influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a coal mining method based on tracking type transportation equipment, which adopts the tracking type transportation equipment which can be bent and turned and can be moved automatically to convey coal materials and waste rocks, and solves the technical problem that a belt conveyor needs to be stopped and moved when tunneling or throwing the waste rocks.
The invention is realized through the following technical scheme, and provides a coal mining method based on tracking type transportation equipment, which comprises tunneling operation and gangue throwing operation, wherein at least one of the tunneling operation and the gangue throwing operation uses the tracking type transportation equipment to transport materials, the tracking type transportation equipment comprises a self-walking device and a belt conveyor arranged on the self-walking device, and the moving tracks of the head, the body and the tail of the tracking type transportation equipment are the same.
According to the scheme, the self-walking device is used for realizing the integral self-movement of the tracking type transportation equipment, the stopping movement is not needed, the tracking type transportation equipment is conveyed by the belt conveyor while the integral self-movement is realized, the tunneling and gangue throwing operation modes of walking and feeding are realized, and the continuity of operation is ensured; the moving tracks of the head, the body and the tail of the tracking type transportation equipment are the same, and after the head turns, the body bends and moves along with the head, so that the problem that the length of the coal and gangue transportation equipment is limited is solved.
As an optimization, during the tunneling operation, the feeding end of the tracking type transportation equipment is located in the excavation roadway, the discharging end of the tracking type transportation equipment is located outside the excavation roadway, the tracking type transportation equipment is in a bending state, the tracking type transportation equipment moves along with the tunneling machine, and the tracking type transportation equipment conveys the coal excavated by the tunneling machine out of the excavation roadway while moving integrally. The optimization scheme utilizes the bending walking characteristic of the tracking type transportation equipment, receives the coal dug and mined by the development machine through the feeding end, and directly conveys the coal out of the development tunnel through the discharging end, so that the back and forth movement of the transfer equipment in the development tunnel is avoided, and the development operation efficiency is greatly improved.
As optimization, after the excavation of one excavation roadway is finished, the whole tracking type transportation equipment is moved out of the excavated roadway, and when the tunneling machine moves to the next excavation roadway, the tunneling operation is continued. The optimization scheme utilizes the characteristic that the tracking type transportation equipment can move in two directions, and after excavation and mining of the excavation roadway are finished, the discharge end is taken as the front end to integrally move out to the transportation branch roadway, so that a movement space is reserved for the heading machine, the operation steps are greatly simplified, and the operation connection time between the two excavation roadways is saved.
And optimally, when the sum of the length of the excavation roadway and the distance between the excavation roadway and the transportation roadway is smaller than the length of the tracking type transportation equipment, the discharge end of the tracking type transportation equipment turns from the transportation branch roadway to enter the transportation roadway, and the coal excavated by the tunneling machine is conveyed to the transportation roadway through the tracking type transportation equipment. According to the optimization scheme, the flexible tracking characteristic of the tracking type transportation equipment is utilized, the coal materials in the excavation roadway are directly conveyed to the transportation roadway without being conveyed by the transportation equipment of the transportation branch roadway, and the operation efficiency is further improved.
The method comprises the following steps that optimally, when the gangue is thrown, the gangue is transported through a hanging conveyor belt arranged in a transport branch roadway, the discharge end of tracking type transportation equipment is located in the to-be-filled roadway, the discharge end of the tracking type transportation equipment is located in the transport branch roadway, the tracking type transportation equipment is in a bending state, the gangue transported by the hanging conveyor belt is diverted to the part, located in the transport branch roadway, of the tracking type transportation equipment through a gangue diverter, the gangue is transported into the to-be-filled roadway through the tracking type transportation equipment, the tracking type transportation equipment gradually exits from the to-be-filled roadway along with the filling of the gangue, and the tracking type transportation equipment transports the gangue while moving integrally. According to the optimized scheme, the tracking type transportation equipment moves automatically in the whole process of transporting the waste rocks, the waste rocks are directly transported into the roadway to be filled from the transportation branch roadway through the tracking type transportation equipment, and the tracking type transportation equipment gradually moves out of the roadway to be filled along with the filling, so that the waste rock transportation process is simplified, and the waste rock throwing and filling efficiency is improved.
The method comprises the following steps that as optimization, tunneling operation and gangue throwing operation are carried out alternately, the tunneling operation is carried out firstly, coal materials dug and mined by a tunneling machine are conveyed out of a tunneling roadway through a tracking type transportation device during the tunneling operation, the tracking type transportation device is withdrawn from the tunneling roadway to a transportation branch roadway and moves along the transportation branch roadway in a self-moving mode, one end of the tracking type transportation device turns to enter a roadway to be filled, gangue is conveyed into the roadway to be filled through the tracking type transportation device during the gangue throwing operation to carry out gangue throwing filling, and the tracking type transportation device moves along the transportation branch roadway in a self-moving mode after the filling of the roadway is finished, so that one end of the tracking type transportation device turns to enter the tunneling roadway and carries out the tunneling operation again. The optimal scheme realizes the alternate implementation of tunneling operation and waste rock throwing operation, shortens the connection time of tunneling and waste rock throwing, further improves the mining efficiency, adopts the same tracking type transportation equipment to convey coal materials and waste rocks, reduces the quantity of underground equipment and the investment cost, utilizes the characteristics of flexible tracking and bidirectional movement of the tracking type transportation equipment, selects the position of the tracking type transportation equipment according to the position of material conveying required, has high universality and good flexibility, and further improves the efficiency of coal mining.
The invention has the beneficial effects that: the tracking type conveying equipment is used for conveying the coal and the waste rocks, so that the coal conveying equipment and the waste rock conveying equipment can move along with the tunneling machine and the waste rock throwing machine, the phenomenon that the coal conveying equipment and the waste rock conveying equipment are moved in a stopping mode in the tunneling, waste rock throwing and backfilling operation process is avoided, the continuous conveying of the coal and the waste rocks and the continuous tunneling and waste rock throwing operation are achieved, the production process is simplified, and the operation efficiency is improved.
Drawings
FIG. 1 is a schematic illustration of a tunneling operation using the method of the present invention;
FIG. 2 is a schematic diagram of a tunneling operation when the distance between the excavation roadway and the transportation roadway is close;
FIG. 3 is a schematic diagram of a gangue dumping operation using the method of the present invention;
FIG. 4 is a schematic diagram of an alternate operation of tunneling and gangue dumping using the method of the present invention;
shown in the figure:
1. the method comprises the following steps of (1) a transportation branch roadway, (2) an excavation roadway, (3) tracking type transportation equipment, (4) a translation type transfer conveyor, (5) a hanging conveyer belt, (6) a heading machine, (7) a transportation roadway, (8) gangue throwing equipment, (9) a roadway to be filled, (10) a coal pillar, (11) and a gangue diverter.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
The coal mining method based on the tracking type transportation equipment comprises the steps of tunneling operation and gangue throwing operation, wherein the tracking type transportation equipment 3 is used for material transportation in the tunneling operation and the gangue throwing operation. The tracking type transportation equipment 3 comprises a self-walking device and a belt conveyor arranged on the self-walking device, materials are conveyed to the other end from one end through the belt conveyor, the tracking type transportation equipment integrally advances or retreats through the self-walking device, and the moving tracks of the head, the body and the tail of the tracking type transportation equipment are the same. The locomotive, automobile body and rear of a vehicle form from running gear, walking wheel and steering gear are all installed to the locomotive and the rear of a vehicle of tracking formula transportation equipment, the automobile body of tracking formula transportation equipment includes that a plurality of sections loop through vertical axis articulated frame element, along the closed endless chain of circumference, and drive endless chain pivoted drive arrangement, the plane that endless chain belonged to is vertical plane, the track position that each frame element formed is located inside the annular space of endless chain, install stop device on endless chain, take place width direction's relative displacement through stop device restriction endless chain and frame element, when adjacent frame element takes place relative rotation, corresponding bending takes place for the endless chain part that corresponds. The frame units are provided with supports with carrier rollers, and conveying belts of the belt conveyor are arranged on the carrier rollers of the supports, so that the conveying belts are bent along with the relative rotation between the frame units. All be equipped with the drive wheel with the meshing of annular chain on the frame element of foremost and the frame element of rearmost end, every drive wheel all is connected with driving motor, when drive arrangement drive annular chain rotates, the last side support in frame element's upper surface of annular chain, the lower side support frame element's of annular chain lower surface, relative sliding between annular chain and the frame element, the frame element and the locomotive fixed connection of foremost, the frame element and the rear of a vehicle rigid coupling of rearmost end, realize the crawler-type tracking walking of equipment.
The coal mining method of the present invention is described in detail below by way of specific examples:
example one
During tunneling operation, as shown in fig. 1, a feeding end of the tracking type transportation equipment enters an excavation roadway 2 along with a tunneling machine 6, a discharging end of the tracking type transportation equipment is located in a transportation branch roadway 1 outside the excavation roadway, the tracking type transportation equipment 3 is in a bending state, and an included angle formed by the transportation branch roadway and the excavation roadway is consistent with a bending angle of the tracking type transportation equipment; set up translation formula elevating conveyor 4 between tracking formula transportation equipment discharge end and the hanging conveyer belt 5 of transportation branch lane, tracking formula transportation equipment is through following the entry driving machine self-moving from the running gear, and translation formula elevating conveyor 4 follows tracking formula transportation equipment self-moving, in order to improve defeated material effect, entry driving machine, tracking formula transportation equipment and translation formula elevating conveyor synchronous motion of this embodiment. The tracking type transportation equipment integrally moves forwards along with the tunneling machine, meanwhile, the coal excavated by the tunneling machine is conveyed out of the excavation roadway backwards through the belt conveyor, the coal conveyed by the belt conveyor of the tracking type transportation equipment is conveyed to the hanging conveyor belt by the translation type reversed loader, and the coal is output by the hanging conveyor belt.
When the sum of the length of the excavation roadway and the distance between the excavation roadway and the transportation roadway 7 is smaller than the length of the tracking type transportation equipment, as shown in fig. 2, the discharge end of the tracking type transportation equipment turns from the transportation branch roadway 1 to enter the transportation roadway, the discharge end of the tracking type transportation equipment is positioned in the excavation roadway, the coal excavated and mined by the heading machine 6 is directly conveyed to the transportation roadway 7 through the tracking type transportation equipment, a translation type transfer machine and a hanging conveyer belt are not needed to transport the coal, and the operation efficiency is greatly improved.
After the excavation of a certain excavation roadway is finished, the tracking type transportation equipment integrally moves out of the excavated roadway by taking the discharge end as the front end, and when the tunneling machine moves to the next excavation roadway, the tunneling operation is continued.
When the gangue is thrown, as shown in figure 3, the gangue is transported by a hanging conveyor belt 5 arranged in a transportation branch roadway, the discharge end of a tracking type transportation device is positioned in a roadway 9 to be filled, the discharge end of the tracking type transportation device is positioned in the transportation branch roadway outside the roadway to be filled, the tracking type transportation device is in a bending state, an included angle formed by the transportation branch roadway and the roadway to be filled is consistent with the bending angle of the tracking type transportation device, the gangue transported by the hanging conveyor belt 5 is divided to the part of the tracking type transportation device positioned in the transportation branch roadway by a gangue divider 11, the gangue is transported to a gangue throwing device 8 in the roadway to be filled by the tracking type transportation device 8, the roadway 9 to be filled formed between two coal pillars 10 is thrown and filled by the gangue throwing device 8, the gangue device 8 and the tracking type transportation device 3 gradually withdraw from the roadway to be filled as the gangue is filled, and the tracking type transportation device moves integrally and automatically, conveying the gangue; after the lane to be filled is filled, the gangue throwing device 8 firstly enters the next lane to be filled, the discharge end of the tracking type transportation device moves into the lane to be filled along with the gangue throwing device, and gangue throwing operation is continuously carried out.
Example two
As shown in fig. 4, the difference between the first embodiment and the second embodiment is that the tunneling operation and the gangue throwing operation are performed alternately, and the coal and the gangue are transported by using the same tracking type transportation equipment, so that the investment cost is greatly reduced. Specifically, the excavating operation is carried out firstly, the coal materials excavated by the excavating machine are conveyed out of an excavating roadway by a belt conveyor of the tracking type transportation equipment during the excavating operation, after a plurality of excavating roadways are excavated, the tracking type transportation equipment is withdrawn from the excavating roadway to a transportation branch roadway and moves along the transportation branch roadway integrally, one end of the tracking type transportation equipment turns to enter the roadway to be filled, the gangue is conveyed into the roadway to be filled by the tracking type transportation equipment during the gangue throwing operation, the tracking type transportation equipment moves along the transportation branch roadway integrally after the filling of the roadway to be filled, one end of the tracking type transportation equipment turns to enter the excavating roadway and carries out the excavating operation again, and the gangue throwing operation is carried out after a plurality of excavating roadways are excavated, so that the excavating operation and the gangue throwing operation are alternated, the seamless connection of the excavating operation and the gangue throwing operation is realized, and the excavating operation efficiency is greatly improved.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (6)
1. A coal mining method based on tracking type transportation equipment comprises tunneling operation and gangue throwing operation, and is characterized in that: at least one of the tunneling operation and the gangue throwing operation uses tracking type transportation equipment to transport materials, the tracking type transportation equipment comprises a self-walking device and a belt conveyor arranged on the self-walking device, and the moving tracks of the head, the body and the tail of the tracking type transportation equipment are the same.
2. A coal mining method based on a tracking conveyor as claimed in claim 1, wherein: during tunneling operation, the feeding end of the tracking type transportation equipment is positioned in the excavation roadway, the discharging end of the tracking type transportation equipment is positioned outside the excavation roadway, and the tracking type transportation equipment is in a bent state;
the tracking type transportation equipment moves along with the heading machine, and the tracking type transportation equipment integrally moves, and meanwhile conveys the coal excavated by the heading machine out of the excavation roadway.
3. A coal mining method based on a tracking conveyor as claimed in claim 2, wherein: after the excavation and mining of one excavation roadway are finished, the tracking type transportation equipment integrally moves out of the excavation roadway after excavation and mining are finished, and when the tunneling machine moves to the next excavation roadway, the tunneling operation is continued.
4. A coal mining method based on a tracking conveyor as claimed in claim 2, wherein: when the sum of the length of the excavation roadway and the distance between the excavation roadway and the transportation roadway is smaller than the length of the tracking type transportation equipment, the discharge end of the tracking type transportation equipment enters the transportation roadway from the turning of the transportation branch roadway, and the coal excavated by the tunneling machine is conveyed to the transportation roadway through the tracking type transportation equipment.
5. A coal mining method based on a tracking conveyor as claimed in claim 1, wherein: when the waste rock is thrown, the waste rock is transported through a hanging conveyor belt arranged in a transport branch roadway, the discharge end of tracking type transportation equipment is positioned in the to-be-filled roadway, the discharge end of the tracking type transportation equipment is positioned in the transport branch roadway, the tracking type transportation equipment is in a bending state, the waste rock transported by the hanging conveyor belt is shunted to the part of the tracking type transportation equipment positioned in the transport branch roadway by utilizing a waste rock shunt, the waste rock is transported to the to-be-filled roadway through the tracking type transportation equipment, the tracking type transportation equipment gradually exits from the to-be-filled roadway along with the filling of the waste rock, and the tracking type transportation equipment transports the waste rock while moving integrally.
6. A coal mining method based on a tracking conveyor as claimed in claim 1, wherein: the method comprises the steps of alternately carrying out tunneling operation and gangue throwing operation, carrying out tunneling operation, conveying coal materials dug and mined by a tunneling machine out of a tunneling roadway through a tracking type conveying device during the tunneling operation, withdrawing the tracking type conveying device from the tunneling roadway to a transport branch roadway and integrally and automatically moving along the transport branch roadway after a plurality of tunneling roadways are dug and mined, turning one end of the tracking type conveying device to enter a roadway to be filled, conveying gangue into the roadway to be filled through the tracking type conveying device during the gangue throwing operation, carrying out gangue throwing filling, and integrally and automatically moving along the transport branch roadway after the roadway filling operation is finished, so that one end of the tracking type conveying device turns to enter the tunneling roadway and carrying out the tunneling operation again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111157306.4A CN113738365B (en) | 2021-09-30 | 2021-09-30 | Coal mining method based on tracking type transportation equipment |
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| CN202111157306.4A CN113738365B (en) | 2021-09-30 | 2021-09-30 | Coal mining method based on tracking type transportation equipment |
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| CN113738365A true CN113738365A (en) | 2021-12-03 |
| CN113738365B CN113738365B (en) | 2024-07-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961847A (en) * | 2022-07-11 | 2022-08-30 | 新汶矿业集团有限责任公司 | Gangue smashing, guniting and compacting filling system and method based on fully mechanized mining support |
| CN116025355A (en) * | 2023-03-28 | 2023-04-28 | 中煤科工集团沈阳研究院有限公司 | Coal mining method for mining extremely thin coal seam |
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