CN102865082A - Rectangular bend quick construction method of T-shaped laneway of mine - Google Patents
Rectangular bend quick construction method of T-shaped laneway of mine Download PDFInfo
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- CN102865082A CN102865082A CN2012103540407A CN201210354040A CN102865082A CN 102865082 A CN102865082 A CN 102865082A CN 2012103540407 A CN2012103540407 A CN 2012103540407A CN 201210354040 A CN201210354040 A CN 201210354040A CN 102865082 A CN102865082 A CN 102865082A
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Abstract
The invention relates to an excavating technology of underground laneway of a mine, in particular to a rectangular bend quick construction method of a T-shaped laneway of a mine, solving the technical problems that the traditional rectangular bend excavating method of the T-shaped laneway is high in labor intensity of workers and slow in excavating speed. The rectangular bend quick construction method of the T-shaped laneway of the mine comprises the steps as follows: (a) when a first laneway is communicated with a second laneway that is vertical to the first laneway, positioning a comprehensive excavating machine into the second laneway, and turning at 90 degrees toward a rear turning working face; (b) installing a second plate scrapping conveyor parallel to the second laneway and in the second laneway at a machine head of a bridge type reversed loader; pressing the machine head of a third scrapping plate conveyor at the tail of a first scrapping plate conveyor in the first laneway; (c) excavating the coal at the back of the turned working face through the comprehensive excavating machine; and (d) removing the third scrapping plate conveyor when the excavating distance from the comprehensive excavating machine to the turned working face is more than the total length of the comprehensive excavating machine and the bridge type reversed loader.
Description
Technical field
The present invention relates to a kind of coal mine down-hole tunnel driving technology, specifically T-shaped tunnel, a kind of colliery right-angle turning rapid constructing method.
Background technology
Often run at present the right-angle turning construction of T-shaped tunnel in the coal mine down-hole tunnel excavation operation.The first tunnel 1 during right-angle turning construction in T-shaped tunnel refers to tunnel needs to change tunneling direction (as shown in Figure 3) after connecting with an end in the second perpendicular tunnel 2 that is positioned at the place ahead, and direction is along the tunneling direction driving in second tunnel (among Fig. 3 left); Because the coal mining conveying coal equipment in the second tunnel is all dismantled, so the coal of extraction can only utilize the conveying coal equipment in the first tunnel to transport; After present operating type is two roadway linkings, fully-mechanized digging machine 4 left faces are tunneled the coal body behind the rear work plane 3 that turns round behind curved 90 ° of angles, because the width in tunnel is generally at 4.5 ~ 5.5 meters, and fully-mechanized digging machine connects length behind the bridge conveyor machine generally about 20 meters, so can't be by adjusting the position of bridge conveyor and the first drag conveyor in comparatively narrow tunnel, thereby directly the first drag conveyor is installed in the tail of bridge conveyor 5, the head that is bridge conveyor 5 can't be connected with the tail of the first drag conveyor 6, transport but can only manually the coal under the fully-mechanized digging machine pick be hoveled from one place to another on the first drag conveyor, until after the tunnel tunneled total length above fully-mechanized digging machine and bridge conveyor (general about 20 meters) left, again the head of bridge conveyor is connected with the tail of the first drag conveyor and carries out machinery and transport coal; This tunneling method labor strength is large, and driving speed is slow.An end that generally bridge conveyor and drag conveyor is advanced coal is called tail, and the end that bridge conveyor and drag conveyor are produced coal is called head; Make and produce coal smoothly, will guarantee to push down along the head of the bridge conveyor of the direction of producing coal or drag conveyor the tail of next drag conveyor, i.e. head press tail; The length of drag conveyor can be adjusted.After can dismantling, bridge conveyor again is installed in the rear portion of fully-mechanized digging machine.
Summary of the invention
The present invention is large for solving T-shaped tunnel right-angle turning driving method labor strength commonly used at present, and the technical problem that driving speed is slow provides T-shaped tunnel, a kind of colliery right-angle turning rapid constructing method.
The present invention realizes by the following technical solutions: T-shaped tunnel, a kind of colliery right-angle turning rapid constructing method, may further comprise the steps: (a) behind the first tunnel and perpendicular the second roadway linking, place 90 ° of the second tunnel inside turns towards the rear work plane (3) that turns round fully-mechanized digging machine, and again be installed in the rear portion of fully-mechanized digging machine after will the bridge conveyor dismounting; (b) arrange one at the head place of bridge conveyor and be positioned at the second drag conveyor the second tunnel and that be parallel to the second tunnel, and the 3rd drag conveyor between the first drag conveyor and the second drag conveyor is set in the second tunnel; The head of described bridge conveyor is pushed down the tail of the second drag conveyor; The head of described the second drag conveyor is pushed down the tail of the 3rd drag conveyor, and the head of the 3rd drag conveyor is pushed down the tail of the first drag conveyor that is positioned at the first tunnel; (c) fully-mechanized digging machine tunnels the coal body at the rear work plane rear portion of turning round, with digging with the trough that adds second drag conveyor, keep bridge conveyor, the second drag conveyor, the 3rd drag conveyor, the first handpiece of scraper conveyer press tail according to the progress of tunneling; (d) behind driving distance the total length greater than fully-mechanized digging machine and bridge conveyor of fully-mechanized digging machine to work plane after turning round, remove the 3rd drag conveyor, adjust position and the length of the second drag conveyor, the head of maintenance bridge conveyor is pushed down the tail of the second drag conveyor; And the second handpiece of scraper conveyer is pushed down the tail of the first drag conveyor; Along with the driving of fully-mechanized digging machine, constantly increase the trough of the second scraper blade elevating conveyor, the coal of extraction just transports endlessly by the first drag conveyor.
In the second tunnel, lay the second drag conveyor and the 3rd drag conveyor, because the first drag conveyor is mutually vertical with the second drag conveyor, therefore the 3rd drag conveyor between these two drag conveyors is and aforesaid two oblique joining of drag conveyor, as shown in Figure 1; Coal under fully-mechanized digging machine is adopted transports via the first tunnel by bridge conveyor, the second drag conveyor, the 3rd drag conveyor and the first drag conveyor successively; After the driving distance of fully-mechanized digging machine surpasses the length of fully-mechanized digging machine and bridge conveyor, remove the 3rd drag conveyor, and adjust length and the position of the second drag conveyor, make the head of the second drag conveyor push down the tail of the first drag conveyor, two drag conveyors are orthogonal state; At this moment, mining process just enters normal condition, and the coal of fully-mechanized digging machine extraction just transports endlessly by bridge conveyor, the second drag conveyor and the first drag conveyor.
The present invention takes full advantage of and digs lane space, by installing and remove the way of drag conveyor additional, has shortened the construction period, has alleviated workman's labour intensity, has improved drivage efficiency.Compared with prior art, the present invention has eliminated the situation that the driving initial stage of turning round manually hovels coal from one place to another; Tunnel normal driving from right-angle turning needs about 5 day time in the past, utilizes the method for the invention can make Advance rate keep normal condition, can again lay the second drag conveyor and be connected with the first drag conveyor in about 2 days.
Description of drawings
Fig. 1 is that job practices of the present invention is at the right-angle turning construction schematic diagram at driving initial stage.
Fig. 2 is job practices of the present invention construction schematic diagram during normal driving behind right-angle turning.
Fig. 3 is the construction schematic diagram of T-shaped tunnel right-angle turning job practices commonly used at present.
1-article one tunnel; 2-second tunnel; The 3-rear work plane that turns round; The 4-fully-mechanized digging machine; The 5-bridge conveyor; 6-the first drag conveyor; 7-the second drag conveyor; 8-the 3rd drag conveyor.
The specific embodiment
T-shaped tunnel, a kind of colliery right-angle turning rapid constructing method, may further comprise the steps: (a) after the first tunnel 1 and perpendicular the second tunnel 2 connect, place 90 ° of the second tunnel inside turns towards the rear work plane 3 that turns round fully-mechanized digging machine 4, and again be installed in the rear portion of fully-mechanized digging machine 4 after will bridge conveyor 5 dismountings; (b) arrange one at the head place of bridge conveyor 5 and be positioned at the second drag conveyor 7 the second tunnel 2 and that be parallel to the second tunnel 2, and interior in the second tunnel 2 the 3rd drag conveyor 8 between the first drag conveyor 6 and the second drag conveyor 7 is set; The head of described bridge conveyor 5 is pushed down the tail of the second drag conveyor 7; The head of described the second drag conveyor 7 is pushed down the tail of the 3rd drag conveyor 8, and the head of the 3rd drag conveyor 8 is pushed down the tail of the first drag conveyor 6 that is positioned at the first tunnel; (c) the turn round coal body at rear work plane 3 rear portions of 4 pairs of fully-mechanized digging machines tunnels, with digging with the trough that adds second drag conveyor 7, keep bridge conveyor 5, the second drag conveyor 7, the 3rd drag conveyor 8, the first drag conveyor 6 head press tails according to the progress of tunneling; (d) after 4 pairs of fully-mechanized digging machines turn round behind the total length of the driving distance of work plane 3 greater than fully-mechanized digging machine 4 and bridge conveyor 5, remove the 3rd drag conveyor 8, adjust position and the length of the second drag conveyor 7, the head of maintenance bridge conveyor 5 is pushed down the tail of the second drag conveyor 7; And the second drag conveyor 7 heads are pushed down the tail of the first drag conveyor 6; Along with the driving of fully-mechanized digging machine 4, constantly increase the trough of the second scraper blade elevating conveyor 7, the coal of extraction just transports endlessly by the first drag conveyor 6.
Described the second drag conveyor 7 is laid near the second tunnel 2 and 1 non-conterminous one side, the first tunnel.
Because the tunnel is narrow, for making the 3rd drag conveyor 8 and the first drag conveyor 6 and being connected drag conveyor 7 and being connected smoothly, the second drag conveyor 7 generally is arranged in the position near the 2 interior outsides, the second tunnel (namely with 1 non-conterminous one side, the first tunnel), so to greatest extent vacating space so that the 3rd drag conveyor 8 be connected with the second drag conveyor 7 with the first drag conveyor 6.
Claims (2)
1. T-shaped tunnel, colliery right-angle turning rapid constructing method, it is characterized in that, may further comprise the steps: (a) after the first tunnel (1) and perpendicular the second tunnel (2) connect, place 90 ° of the second tunnel inside turns towards the rear work plane (3) that turns round fully-mechanized digging machine (4), and again be installed in the rear portion of fully-mechanized digging machine (4) after will bridge conveyor (5) dismounting; (b) arrange one at the head place of bridge conveyor (5) and be positioned at the second drag conveyor (7) the second tunnel (2) and that be parallel to the second tunnel (2), and the 3rd drag conveyor (8) that is positioned between the first drag conveyor (6) and the second drag conveyor (7) is set in the second tunnel (2); The head of described bridge conveyor (5) is pushed down the tail of the second drag conveyor (7); The head of described the second drag conveyor (7) is pushed down the tail of the 3rd drag conveyor (8), and the head of the 3rd drag conveyor (8) is pushed down the tail of the first drag conveyor (6) that is positioned at the first tunnel (1); (c) fully-mechanized digging machine (4) tunnels the coal body at rear work plane (3) rear portion of turning round, with digging with the trough that adds second drag conveyor (7), keep bridge conveyor (5), the second drag conveyor (7), the 3rd drag conveyor (8), the first drag conveyor (6) head press tail according to the progress of tunneling; (d) behind driving distance the total length greater than fully-mechanized digging machine (4) and bridge conveyor (5) of fully-mechanized digging machine (4) to work plane after turning round (3), remove the 3rd drag conveyor (8), adjust position and the length of the second drag conveyor (7), the head of maintenance bridge conveyor (5) is pushed down the tail of the second drag conveyor (7); And the second drag conveyor (7) head is pushed down the tail of the first drag conveyor (6); Along with the driving of fully-mechanized digging machine (4), constantly increase the trough of the second scraper blade elevating conveyor (7), the coal of extraction just transports endlessly by the first drag conveyor (6).
2. T-shaped tunnel, colliery as claimed in claim 1 right-angle turning rapid constructing method is characterized in that, described the second drag conveyor (7) is laid near the non-conterminous one side in the second tunnel (2) and the first tunnel (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210354040.7A CN102865082B (en) | 2012-09-21 | 2012-09-21 | Rectangular bend quick construction method of T-shaped laneway of mine |
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| CN201210354040.7A CN102865082B (en) | 2012-09-21 | 2012-09-21 | Rectangular bend quick construction method of T-shaped laneway of mine |
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| CN102865082A true CN102865082A (en) | 2013-01-09 |
| CN102865082B CN102865082B (en) | 2014-06-04 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121022A (en) * | 2014-06-19 | 2014-10-29 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mine roadway opening tunneling process |
| CN105041311A (en) * | 2015-05-30 | 2015-11-11 | 山西晋城无烟煤矿业集团有限责任公司 | Turning-around tunneling construction technology implemented with aid of triangular scraper-trough conveyer combination |
| CN107330225A (en) * | 2017-07-25 | 2017-11-07 | 山西晋城无烟煤矿业集团有限责任公司 | Full-mechanized roadway right-angle turning smears angle square cun analogy method |
| CN108116840A (en) * | 2016-11-30 | 2018-06-05 | 伊金霍洛旗乌兰煤矿 | A kind of and matching used walking conveyer of coalcutter |
| CN108979658A (en) * | 2018-07-20 | 2018-12-11 | 淮阴工学院 | A kind of T-type tunnel layout suitable for intelligent manless working face |
| CN111305842A (en) * | 2020-03-13 | 2020-06-19 | 中煤科工开采研究院有限公司 | Rapid butt joint installation method based on cutter handle type fully mechanized coal mining face |
| CN111691886A (en) * | 2020-06-23 | 2020-09-22 | 国家能源集团宁夏煤业有限责任公司 | Construction method for opening cutting hole by fully-mechanized coal mining machine in fully-mechanized coal mining face |
| CN111764917A (en) * | 2020-06-24 | 2020-10-13 | 临沂矿业集团菏泽煤电有限公司 | Tunneling construction method for quick door opening roadway of fully-mechanized excavating machine |
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| DE3825293C2 (en) * | 1988-07-26 | 1995-04-27 | Adam Udo Maschinenfabrik | Cam joint conveyor |
| CN2747357Y (en) * | 2004-08-19 | 2005-12-21 | 神华集团有限责任公司 | Continuous conveying system for coal excavator |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121022A (en) * | 2014-06-19 | 2014-10-29 | 山西晋城无烟煤矿业集团有限责任公司 | Coal mine roadway opening tunneling process |
| CN105041311A (en) * | 2015-05-30 | 2015-11-11 | 山西晋城无烟煤矿业集团有限责任公司 | Turning-around tunneling construction technology implemented with aid of triangular scraper-trough conveyer combination |
| CN108116840A (en) * | 2016-11-30 | 2018-06-05 | 伊金霍洛旗乌兰煤矿 | A kind of and matching used walking conveyer of coalcutter |
| CN107330225A (en) * | 2017-07-25 | 2017-11-07 | 山西晋城无烟煤矿业集团有限责任公司 | Full-mechanized roadway right-angle turning smears angle square cun analogy method |
| CN108979658A (en) * | 2018-07-20 | 2018-12-11 | 淮阴工学院 | A kind of T-type tunnel layout suitable for intelligent manless working face |
| CN111305842A (en) * | 2020-03-13 | 2020-06-19 | 中煤科工开采研究院有限公司 | Rapid butt joint installation method based on cutter handle type fully mechanized coal mining face |
| CN111305842B (en) * | 2020-03-13 | 2021-08-03 | 天地(榆林)开采工程技术有限公司 | Rapid butt joint installation method based on cutter handle type fully mechanized coal mining face |
| CN111691886A (en) * | 2020-06-23 | 2020-09-22 | 国家能源集团宁夏煤业有限责任公司 | Construction method for opening cutting hole by fully-mechanized coal mining machine in fully-mechanized coal mining face |
| CN111691886B (en) * | 2020-06-23 | 2021-08-31 | 国家能源集团宁夏煤业有限责任公司 | Construction method for opening cutting hole by fully-mechanized coal mining machine in fully-mechanized coal mining face |
| CN111764917A (en) * | 2020-06-24 | 2020-10-13 | 临沂矿业集团菏泽煤电有限公司 | Tunneling construction method for quick door opening roadway of fully-mechanized excavating machine |
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