CN107060859B - Device and method for quickly moving single prop of advance support section of coal mining face of coal mine - Google Patents
Device and method for quickly moving single prop of advance support section of coal mining face of coal mine Download PDFInfo
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- CN107060859B CN107060859B CN201710256249.2A CN201710256249A CN107060859B CN 107060859 B CN107060859 B CN 107060859B CN 201710256249 A CN201710256249 A CN 201710256249A CN 107060859 B CN107060859 B CN 107060859B
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- 239000003245 coal Substances 0.000 title claims abstract description 63
- 238000005065 mining Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
- E21D23/08—Advancing mechanisms
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- Geochemistry & Mineralogy (AREA)
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Abstract
The invention discloses a device and a method for quickly moving single pillars at a forepoling section of a coal mining face of a coal mine, which are suitable for underground roadways of the coal mine supported by the single pillars, wherein a sliding channel and a hoop sheet are welded into a whole and fixed on a row of single pillars through the hoop sheet; conveying the single support columns to be moved to a supporting position through a hanging chain, a hook and a sliding device; along with the propulsion of the coal mining surface, the hoop sheets are disassembled and assembled to recycle the sliding channel. The single prop is simple in structure and convenient to use, greatly reduces the labor intensity of workers compared with a manual unloading resisting mode, remarkably improves the working efficiency, and realizes quick and safe carrying of the single prop.
Description
Technical Field
The invention relates to a device and a method for quickly moving a single prop, in particular to a device and a method for quickly moving a single prop at a forepoling section of a coal mining face used in an underground coal mine.
Background
Under the environment of the accelerated global industrialization process, coal resources are still one of the currently important energy sources in China. The coal resources in China have the characteristics of wide distribution region and complex storage condition, and roof fall accidents frequently occur due to frequent conditions of suspended roofs, faults, inclinations and the like in the mining practice process, so that coal mine support equipment becomes an important safety guarantee. The single hydraulic prop is used for roof working face support, roadway advance support and temporary support, has the characteristics of large initial supporting force, constant working resistance, uniform bearing, constant resistance increase and resistance reduction and the like, is gradually popularized in production practice, and becomes a leading product of current coal roadway support. The single prop in the roadway support is in large demand, but at present, the single prop in the underground is mostly hauled and carried by coal miners; particularly, as the working face is propelled, the single prop at the roadway advance support section needs to be withdrawn and carried to a position needing to be supported at any time, so that the labor intensity of coal miners is high, the working efficiency is extremely low, the physical and mental health of the coal miners is not facilitated, and the propelling speed of the working face is also influenced.
Disclosure of Invention
The technical problem is as follows: aiming at the technical problems, the invention aims to provide a device and a method for quickly moving a single prop of a coal mining face advance support section, which are simple to install, convenient and fast to operate, and capable of effectively reducing the labor intensity of coal miners and improving the working efficiency.
The technical scheme is as follows: in order to achieve the technical purpose, the device for quickly moving the single pillars of the advance support section of the coal mining face of the coal mine comprises a plurality of single pillars which are arranged in rows in a roadway, wherein the plurality of single pillars arranged in rows are provided with hoop sheets, a sliding channel is arranged by utilizing the hoop sheets on each single pillar, one or more sliding devices moving in a sliding channel rail are arranged in the sliding channel, and a conveyor is arranged below the sliding devices.
The sliding channel is composed of a plurality of sliding sub-channels, the length of each sliding sub-channel is equal to the distance between the two single supporting columns, the sliding channel is connected with the hoop sheets through inserting or bolts, and the length of each sliding sub-channel is 600-1000 mm.
The sliding channel is connected with all the hoop sheets arranged on the single prop through tracks, track locking protection is arranged on the sliding channel, the sliding channel can move towards the mining direction along the hoop sheets on the single prop after the locking protection is started, and the sliding channel is locked after the locking protection is closed.
The hoop sheets are arranged on the single pillars through bolts, so that the installation and the disassembly are convenient; the conveyor is a hook or a hanging basket connected through a hanging chain; the distance between the sliding channel and the single body is 100-150 mm, and the height of the hoop sheet is 1500-2000 mm.
A method for quickly moving a single prop of a forepoling section of a coal mining face of a coal mine comprises the following steps:
a. installing single pillars in the advance support sections of the coal transporting roadway and the return airway in the coal face, wherein the single pillars are arranged in the advance support sections of the coal transporting roadway and the return airway in three rows, and the distance between the single pillars in each row is equal;
b. fixing anchor ear pieces on a row of single pillars in the middle of a coal conveying roadway and a return airway respectively by bolts;
c. the hoop sheets are used for installing the sliding channel on a row of single pillars in the middle, and the opening of the sliding channel is ensured to be downward;
d. one or more sliding devices are arranged in the sliding channel according to actual needs, and the conveyor is arranged on the sliding devices by utilizing the hanging chains;
e. along with the advancing of the coal mining surface, the monomer pillars which are closest to the goaf and do not need to be used are detached and placed in the conveyor, the monomer pillars are conveyed to the forefront of the forepoling section to be installed, and the hoop sheets move forwards and are recycled through detaching and installing in the process.
The sliding channel is composed of a plurality of sliding sub-channels, the length of each section of sliding sub-channel is equal to the distance between two single supports, the sliding channel is connected with the anchor ear piece through splicing or bolts, the sliding sub-channel and the single supports at the tail of the advance support section are disassembled and are loaded into a conveyor to be conveyed to the head of the advance support section when the single supports need to be disassembled, and the sliding sub-channels and the single supports are assembled with the adjacent single supports again, so that the single supports and the anchor ear piece can be reused in coal mining.
The sliding channel is connected with all the hoop sheets arranged on the single prop through the rails, when the single prop needs to be disassembled, the locking protection on the sliding channel is firstly opened, the sliding channel moves towards the mining direction along the hoop sheets to separate the single prop with the tail end needing to be disassembled from the sliding channel, then the disassembled single prop is conveyed to the head of the sliding channel by using the conveyor and is assembled with the sliding channel again, and therefore the single prop and the hoop sheets can be reused in coal mining.
Has the advantages that: according to the device and the method for quickly moving the single prop at the advance support section of the coal mining face of the coal mine, the hoop sheets are used for installing the sliding channel on the single prop, and the conveyor arranged on the sliding channel is used for conveying unused single props or other articles to the front of the advance support section from the rear of the advance support section, so that the device and the method are convenient and labor-saving, convenient to operate, capable of effectively reducing the labor intensity of coal miners and improving the working efficiency, simple and convenient to install, low in cost and free of extra occupied space, and meanwhile, the quick moving channel is provided, and the device and the method have wide practicability.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a schematic structural view of the single prop fast-moving device of the present invention.
In the figure: 1-a hoop sheet; 2-a monolithic pillar; 3-a bolt; 4-a slide channel; 5-hanging chains; 6-a sliding device; 7-coal face; 8-a goaf; 9-coal conveying level; 10-return air gallery.
Detailed Description
An embodiment of the invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the device for quickly moving the single pillars of the advance support section of the coal mining face of the coal mine comprises a plurality of single pillars 2 arranged in a row in a roadway, wherein the plurality of single pillars 2 arranged in a row are provided with hoop sheets 1, the hoop sheets 1 are arranged on the single pillars 2 through bolts 3, so that the installation and the disassembly are convenient, a sliding channel 4 is arranged by utilizing the hoop sheets 1 on each single pillar 2, one or more sliding devices 6 moving in a track of the sliding channel 4 are arranged in the sliding channel 4, a conveyor is arranged below the sliding devices 6, and the conveyor is a hook or a hanging basket connected through a hanging chain 5.
As shown in fig. 2, the sliding channel 4 is composed of a plurality of sliding sub-channels, the length of each sliding sub-channel is equal to the distance between two single pillars 2, the sliding channel 4 is connected with the anchor ear piece 1 through an insertion connection or a bolt, and the length of each sliding sub-channel is 600-1000 mm; the sliding channel 4 is connected with all the hoop sheets 1 arranged on the single prop 2 through tracks, track locking protection is arranged on the sliding channel 4, when the locking protection is started, the sliding channel 4 can move towards the mining direction along the hoop sheets 1 on the single prop 2, and when the locking protection is closed, the sliding channel 4 is locked.
The distance between the sliding channel 4 and the single body is 100-150 mm, and the height of the hoop sheet 1 is 1500-2000 mm.
A method for quickly moving a single prop of a forepoling section of a coal mining face of a coal mine comprises the following steps:
a. installing single pillars 2 on the forepoling sections of a coal transporting roadway 9 and a return airway 10 in a coal face 7, wherein the single pillars 2 installed in the forepoling sections of the coal transporting roadway 9 and the return airway 10 are arranged in three rows, and the distance between every two rows of single pillars 2 is equal;
b. the hooping sheets 1 are respectively fixed on the single pillars 2 in the middle row of the coal conveying level way 9 and the return airway 10 by bolts 3;
c. the method comprises the following steps that a sliding channel 4 is arranged on a row of single pillars 2 in the middle by utilizing hoop sheets 1, and the opening of the sliding channel 4 is ensured to face downwards;
d. one or more sliding devices 6 are installed in the sliding channel 4 according to actual needs, and the conveyor is installed on the sliding devices 6 by using the hanging chains 5;
e. along with the advancing of the coal mining surface, the single prop 2 which is closest to the goaf 8 and does not need to be used is detached and placed in a conveyor, the single prop 2 is conveyed to the forefront of the forepoling section for installation, and the hoop sheets 1 are moved forward and recycled through detaching and installing in the process.
The sliding channel 4 is composed of a plurality of sliding sub-channels, the length of each section of sliding sub-channel is equal to the distance between two single pillars 2, the sliding channel 4 is connected with the hoop sheet 1 through inserting or bolts, when the single pillars 2 need to be disassembled, the sliding sub-channel at the tail part of the advance support section and the single pillars 2 are disassembled and are loaded into a conveyor to be conveyed to the head part of the advance support section, the sliding sub-channel and the single pillars 2 are assembled with the adjacent single pillars 2 again, and therefore the single pillars 2 and the hoop sheet 1 can be reused in coal mining.
The sliding channel 4 is connected with all the hoop sheets 1 arranged on the single prop 2 through a rail, when the single prop 2 needs to be disassembled, the locking protection on the sliding channel 4 is firstly opened, the sliding channel 4 moves towards the mining direction along the hoop sheets 1, the single prop 2 with the tail end needing to be disassembled is separated from the sliding channel 4, then the disassembled single prop 2 is conveyed to the head of the sliding channel 4 by a conveyor and is assembled with the sliding channel 4 again, and therefore the single prop 2 and the hoop sheets 1 can be reused in coal mining.
Taking a certain mine 9301 working face stope working face as an example, the working face is 200m long, the propelling length is 2000m, the 9301 track roadway is 3.5m high and 5m wide, the row spacing between the single pillars of the forepoling section is 800 x 800mm, the demand of the underground single pillars is large, and the labor intensity of coal miners is large, so the device and the method for rapidly moving the single pillars of the forepoling section of the coal mining face of the coal mine are effectively applied to the forepoling section of the roadway.
Claims (3)
1. The utility model provides a colliery coal face advance support section monomer pillar moves fast and establishes device which characterized in that: the device comprises a plurality of single pillars (2) arranged in rows in a roadway, wherein the single pillars (2) are provided with hoop sheets (1), a sliding channel (4) is arranged by utilizing the hoop sheets (1) on each single pillar (2), one or more sliding devices (6) moving in a sliding channel (4) track are arranged in the sliding channel (4), and a conveyor is arranged below the sliding devices (6); the sliding channel (4) is composed of a plurality of sliding sub-channels, the length of each sliding sub-channel is equal to the distance between the two single supporting columns (2), and the sliding channel (4) is connected with the hoop sheets (1) through inserting or bolts; the sliding channel (4) is connected with all the hoop sheets (1) arranged on the single prop (2) through tracks, track locking protection is arranged on the sliding channel (4), when the locking protection is started, the sliding channel (4) can move towards the mining direction along the hoop sheets (1) on the single prop (2), and the sliding channel (4) is locked after the locking protection is closed; the hoop sheets (1) are arranged on the single supporting columns (2) through bolts (3), so that the installation and the disassembly are convenient; the sliding channel (4) is composed of a plurality of sliding sub-channels, the length of each sliding sub-channel is equal to the distance between the two single supporting columns (2),
a method for quickly moving a single prop at a forepoling section of a coal mining face of a coal mine comprises the following steps:
a. installing single pillars (2) in the forepoling sections of a coal transporting roadway (9) and a return airway (10) in a coal face (7), wherein the single pillars (2) installed in the forepoling sections of the coal transporting roadway (9) and the return airway (10) are arranged in three rows, and the distance between the single pillars (2) in each row is equal;
b. the hooping sheets (1) are respectively fixed on a row of single pillars (2) in the middle of a coal transporting roadway (9) and an air return roadway (10) by bolts (3);
c. the method comprises the following steps that a hoop sheet (1) is utilized to install a sliding channel (4) on a row of single pillars (2) in the middle, the opening of the sliding channel (4) faces downwards, the sliding channel (4) is connected with the hoop sheet (1) through splicing or bolts, when the single pillars (2) need to be disassembled, the sliding sub-channel and the single pillars (2) at the tail of an advance supporting section are disassembled and are loaded into a conveyor to be conveyed to the head of the advance supporting section, and the sliding sub-channel and the single pillars (2) are assembled with the adjacent single pillars (2) again, so that the single pillars (2) and the hoop sheet (1) are reused in coal mining;
d. one or more sliding devices (6) are arranged in the sliding channel (4) according to actual needs, and the conveyor is arranged on the sliding devices (6) by using the hanging chains (5);
e. along with the advancing of a coal mining surface, the single prop (2) which is closest to the goaf (8) and is not needed to be used is detached and placed in a conveyor, the single prop (2) is conveyed to the forefront of a forepoling section for installation, and in the process, the hoop sheets (1) are moved forwards and recycled through detaching and installing.
2. The device for rapidly moving the single prop of the forepoling section of the coal mining face of the coal mine according to claim 1, wherein the length of each section of the sliding sub-channel is 600 ~ 1000mm, the conveyor is a hook or a hanging basket connected through a hanging chain (5), the distance between the sliding channel (4) and the single prop (2) is 100 ~ 150mm, and the height of the hoop sheet (1) is 1500 ~ 2000 mm.
3. The coal mining face advance support section single prop rapid moving device of claim 1, characterized in that: the coal mining device is characterized in that the sliding channel (4) is connected with all the hoop sheets (1) arranged on the single prop (2) through a rail, when the single prop (2) needs to be disassembled, the locking protection on the sliding channel (4) is firstly opened, the sliding channel (4) moves towards the mining direction along the hoop sheets (1), the single prop (2) with the tail end needing to be disassembled is separated from the sliding channel (4), then the disassembled single prop (2) is conveyed to the head of the sliding channel (4) by a conveyor and is assembled with the sliding channel (4) again, and therefore the coal mining of the single prop (2) and the hoop sheets (1) is repeatedly used.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256249.2A CN107060859B (en) | 2017-04-19 | 2017-04-19 | Device and method for quickly moving single prop of advance support section of coal mining face of coal mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710256249.2A CN107060859B (en) | 2017-04-19 | 2017-04-19 | Device and method for quickly moving single prop of advance support section of coal mining face of coal mine |
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| Publication Number | Publication Date |
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| CN107060859A CN107060859A (en) | 2017-08-18 |
| CN107060859B true CN107060859B (en) | 2020-01-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1191592A1 (en) * | 1983-05-18 | 1985-11-15 | Shmelev Vladimir A | Entry-driving roof support |
| SU1229371A1 (en) * | 1984-03-28 | 1986-05-07 | Московский Ордена Трудового Красного Знамени Горный Институт | Junction support of mine set arrangement for joining support unit to working-face conveyer |
| CN85202365U (en) * | 1985-06-22 | 1986-05-14 | 北京矿务局 | Slipping cross beam hydraulic supports |
| CN86200754U (en) * | 1986-01-27 | 1987-07-22 | 山东省煤炭工业总公司机械化处 | Pushing-and-pulling stand sustained alternatively by beam and pole |
| CN104279003A (en) * | 2014-09-18 | 2015-01-14 | 中国煤炭科工集团太原研究院有限公司 | Rapid transporting device for underground single hydraulic prop and transporting method finished thereof |
-
2017
- 2017-04-19 CN CN201710256249.2A patent/CN107060859B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1191592A1 (en) * | 1983-05-18 | 1985-11-15 | Shmelev Vladimir A | Entry-driving roof support |
| SU1229371A1 (en) * | 1984-03-28 | 1986-05-07 | Московский Ордена Трудового Красного Знамени Горный Институт | Junction support of mine set arrangement for joining support unit to working-face conveyer |
| CN85202365U (en) * | 1985-06-22 | 1986-05-14 | 北京矿务局 | Slipping cross beam hydraulic supports |
| CN86200754U (en) * | 1986-01-27 | 1987-07-22 | 山东省煤炭工业总公司机械化处 | Pushing-and-pulling stand sustained alternatively by beam and pole |
| CN104279003A (en) * | 2014-09-18 | 2015-01-14 | 中国煤炭科工集团太原研究院有限公司 | Rapid transporting device for underground single hydraulic prop and transporting method finished thereof |
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| CN107060859A (en) | 2017-08-18 |
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