CN112112644A - Short-wall double-drum coal mining machine - Google Patents
Short-wall double-drum coal mining machine Download PDFInfo
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- CN112112644A CN112112644A CN202010972900.8A CN202010972900A CN112112644A CN 112112644 A CN112112644 A CN 112112644A CN 202010972900 A CN202010972900 A CN 202010972900A CN 112112644 A CN112112644 A CN 112112644A
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- rocker arm
- traction part
- box
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- fixed cutting
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C31/00—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
- E21C31/02—Driving means incorporated in machines for slitting or completely freeing the mineral from the seam for cutting or breaking-down devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/06—Machines slitting solely by one or more cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a short-wall double-drum shearer, wherein a fixed cutting part (8) is arranged in the middle of a machine body, a left traction part (3) and a right traction part (13) are respectively arranged on two sides of the fixed cutting part (8), the upper parts of the left traction part (3) and the right traction part (13) are respectively connected with a short lead screw assembly (20), the other ends of the two short lead screw assemblies (20) are respectively connected with the fixed cutting part (8), and the lower parts of the left traction part (3) and the right traction part (13) are respectively connected with a long lead screw assembly (21). The main machine body of the coal mining machine is provided with the right rocker arm turning point, the heightening oil cylinders are arranged in an overlapping mode, the novel structural arrangement mode is adopted, the length of the whole machine is greatly shortened, the coal mining machine is suitable for short-wall and long-wall working surfaces, the adaptability to working surfaces with unstable top plates is stronger, the heightening range of the left rocker arm and the right rocker arm is large, and the coal mining machine can be used for working surfaces with large coal seam thickness changes.
Description
Technical Field
The invention relates to a short-wall double-drum shearer.
Background
Safe, high-yield and high-efficiency mining of coal resources is the primary task of coal production. The popularization degree of mechanization in the modern coal mining greatly improves the production efficiency of the coal mine, increases the yield of the coal mine and simultaneously changes the safety situation. The long-arm double-drum coal mining machine in the underground fully mechanized mining equipment of the coal mine is a leading machine type, a single-drum coal mining machine is used for a specific short-wall working surface, the whole machine of the long-arm coal mining machine is too long and is not suitable for the working surface with the length of only dozens of meters, and the single-drum coal mining machine only has one spiral drum, cannot mine the full height at one time and has poor adaptability to the working surface with fluctuation.
The mines are now required to be mechanically mined nationwide, and the short wall face of some coal mines is forced to shut down due to the lack of suitable mechanized equipment. The short-wall coal mining machine has large installed power, short machine body length, full height capable of mining at one time and large mining height span is under the way. The key points of the short-wall double-drum shearer are to improve the power and shorten the length of the shearer body in the development process.
Disclosure of Invention
The invention aims to provide a shortwall double-drum shearer which can adapt to mechanized mining of shortwall working faces, has good complete machine interchangeability, installation performance and maintainability, reduces the labor intensity of workers and improves the safety condition. The technical scheme of the invention is as follows: a short-wall double-drum shearer comprises a fixed cutting part (8) arranged in the middle of a machine body, a left traction part (3) and a right traction part (13) are respectively arranged on two sides of the fixed cutting part (8), a short lead screw assembly (20) is respectively connected on the upper part of the left traction part (3) and the upper part of the right traction part (13), the other ends of the two short lead screw assemblies (20) are respectively connected with the fixed cutting part (8), the lower part of the left traction part (3) and the lower part of the right traction part (13) are respectively connected with a long lead screw assembly (21), the fixed cutting part (8) is clamped between the left traction part (3) and the right traction part (13), a left walking box (5) and a left walking box (4) are fixed on the left supporting leg traction part (3), a right walking box (12) and a right supporting leg (11) are fixed on the right traction part (13), the left walking box (5) and the right walking box (12) are positioned on the operation side, the left supporting leg (4) and the right supporting, the left heightening oil cylinder barrel (7) is hinged to a hinge point (18) of the fixed cutting part (8), a piston rod (22) of the left heightening oil cylinder is hinged to a first hinge point (17) of the left rocker arm (2), the other end of the left rocker arm (2) is hinged to a left turning point (16), the piston rod (22) of the left heightening oil cylinder is telescopic to complete the lifting action of the left rocker arm (2), the cylinder barrel (9) of the right heightening oil cylinder is hinged to a hinge point (24) of the fixed cutting part (8), a piston rod (23) of the right heightening oil cylinder is hinged to a first hinge point (25) of the right rocker arm (14), the other end of the right rocker arm (14) is hinged to a right turning point (19), the piston rod (23) of the right heightening oil cylinder is telescopic to complete the lifting action of the right rocker arm (14), the left roller (1) is installed on the left rocker arm (2), and the right roller (15).
Draw portion (3) and left electric cabinet (6) a whole box of sharing on a left side, left electric cabinet (6) are on the box right side, draw portion (3) on a left side in the box left side, draw portion (13) and right electric cabinet (10) a whole box of sharing on a right side, electric cabinet (10) on the right side in the box left side, draw portion on the right side (13) on the box right side.
The working principle of the invention is as follows:
the left traction part (3), the fixed cutting part (8) and the right traction part (13) are connected into a rigid whole through a long lead screw component (21) and a short lead screw component (20). The left rocker arm (2) and the right rocker arm (14) complete lifting actions through extension or retraction of a left heightening oil cylinder piston rod (22) and a right heightening oil cylinder piston rod (23), an operation side left walking box (5) and a right walking box (12) and a coal wall side left supporting leg (4) and a right supporting leg (11) are jointly supported on a conveyor matched with a working face, the left walking box (5) and the right walking box (12) are traction driving points of a coal mining machine, the left rocker arm and the right rocker arm are lifted while the coal mining machine is in traction walking, and a roller rotates to perform coal dropping and coal charging operations.
The main machine body of the coal mining machine is provided with the right rocker arm rotating point, the heightening oil cylinders are arranged in an overlapping mode, the structure arrangement mode is novel, the length of the whole machine is greatly shortened, the coal mining machine is suitable for short-wall and long-wall working surfaces, and the adaptability to the working surface with an unstable top plate is stronger. The left rocker arm and the right rocker arm have large height adjustment range and can be used for working surfaces with large coal seam thickness change.
On the premise of shortening the length of the machine body, the installed power of the whole machine is higher than that of a conventional coal mining machine, and powerful guarantee is provided for traction walking and coal loading and coal dropping operation of the whole machine.
The invention has the beneficial effects that:
the main machine body of the coal mining machine is provided with the right rocker arm rotating point, the heightening oil cylinders are arranged in an overlapping mode, the structure arrangement mode is novel, the length of the whole machine is greatly shortened, the coal mining machine is suitable for short-wall and long-wall working surfaces, and the adaptability to the working surface with an unstable top plate is stronger. The left rocker arm and the right rocker arm have large height adjustment range and can be used for working surfaces with large coal seam thickness change. On the premise of shortening the length of the machine body, the installed power of the whole machine is larger than that of a conventional coal mining machine, the types of the existing coal mining machines in China are enriched, and the blank of mechanized equipment of a short-wall working surface is filled.
The overall machine is superior to the traditional equipment in length, width and height overall dimensions, can be split into a plurality of small parts for convenient transportation, and provides suitable mechanized equipment for mines with short working faces, poor roof stability and poor transportation conditions. The mine is an ideal machine type for realizing mechanical mining, safe production, yield improvement, people reduction and efficiency improvement of mines. The complete machine has good interchangeability, installation and maintenance, reduces the labor intensity of workers and improves the safety condition.
Drawings
FIG. 1 is a front view of a short wall twin drum shearer of the present invention
FIG. 2 is a top view of the shortwall shearer of the present invention
Detailed Description
As shown in figure 1, the short-wall double-drum shearer comprises a fixed cutting part 8 arranged in the middle of a machine body, a left traction part 3 and a right traction part 13 are respectively arranged at two sides of the fixed cutting part 8, the upper parts of the left traction part 3 and the right traction part 13 are respectively connected with a short lead screw assembly 20, the other ends of the two short lead screw assemblies 20 are respectively connected with the fixed cutting part 8, the lower parts of the left traction part 3 and the right traction part 13 are respectively connected with a long lead screw assembly 21, the fixed cutting part 8 is clamped between the left traction part 3 and the right traction part 13, the left traction part 3 and a left electric control box 6 share a whole box body, the left electric control box 6 is arranged at the right side of the box body, the left traction part 3 is arranged at the left side of the box body, the right traction part 13 and a right electric control box 10 share a whole box body, the right electric control box 10 is arranged at the left side of the box body, the right traction part 13 is arranged at, the left walking box 12 and the right supporting leg 11 are fixed on a right traction part 13, the left walking box 5 and the right walking box 12 are located on the operation side, the left supporting leg 4 and the right supporting leg 11 are located on the coal wall side, the left heightening cylinder barrel 7 is hinged on a hinge point 18 of a fixed cutting part 8, a left heightening cylinder piston rod 22 is hinged on a first hinge point 17 of a left rocker arm 2, the other end of the left rocker arm 2 is hinged on a left rotation point 16, the left heightening cylinder piston rod 22 performs telescopic action to complete lifting action of the left rocker arm 2, the right heightening cylinder barrel 9 is hinged on a hinge point 24 of the fixed cutting part 8, a right heightening cylinder piston rod 23 is hinged on a first hinge point 25 of a right rocker arm 14, the other end of the right rocker arm 14 is hinged on a rotation point 19, the right heightening cylinder piston rod 23 performs telescopic action to complete lifting action of the right rocker arm 14, the left roller 1 is installed on the left rocker arm.
As shown in fig. 2, the left traction part 3, the fixed cutting part 8 and the right traction part 13 are linked into a rigid whole by a long lead screw assembly 21 and a short lead screw assembly 20. The left rocker arm 2 and the right rocker arm 14 complete lifting actions through the extension or retraction of a left heightening oil cylinder piston rod 22 and a right heightening oil cylinder piston rod 23, the operation side left walking box 5 and the operation side right walking box 12 and the coal wall side left supporting leg 4 and the operation side right supporting leg 11 are jointly supported on a conveyor matched with a working face, the left walking box 5 and the operation side right walking box 12 are traction driving points of a coal mining machine, the coal mining machine lifts the left rocker arm and the right rocker arm while in traction walking, and a roller rotates to perform coal dropping and coal loading operations. The main machine body of the coal mining machine is provided with the right rocker arm rotating point, the heightening oil cylinders are arranged in an overlapping mode, the structure arrangement mode is novel, the length of the whole machine is greatly shortened, the coal mining machine is suitable for short-wall and long-wall working surfaces, and the adaptability to the working surface with an unstable top plate is stronger. The left rocker arm and the right rocker arm have large height adjustment range and can be used for working surfaces with large coal seam thickness change. On the premise of shortening the length of the machine body, the installed power of the whole machine is larger than that of a conventional coal mining machine, the types of the existing coal mining machines in China are enriched, and the blank of mechanized equipment of a short-wall working surface is filled.
Claims (2)
1. A short-wall double-drum coal mining machine is characterized in that: the fixed cutting part (8) is arranged in the middle of the machine body, a left traction part (3) and a right traction part (13) are respectively arranged at two sides of the fixed cutting part (8), the upper part of the left traction part (3) and the upper part of the right traction part (13) are respectively connected with a short lead screw component (20), the other ends of the two short lead screw components (20) are respectively connected with the fixed cutting part (8), the lower part of the left traction part (3) and the lower part of the right traction part (13) are respectively connected with a long lead screw component (21), the fixed cutting part (8) is clamped between the left traction part (3) and the right traction part (13), the left walking box (5) and the left supporting leg (4) are fixed on the left traction part (3), the right walking box (12) and the right supporting leg (11) are fixed on the right traction part (13), the left walking box (5) and the right walking box (12) are positioned at the operation side, the left supporting leg (4) and the right supporting leg (11, the left heightening oil cylinder barrel (7) is hinged to a hinge point (18) of the fixed cutting part (8), a piston rod (22) of the left heightening oil cylinder is hinged to a first hinge point (17) of the left rocker arm (2), the other end of the left rocker arm (2) is hinged to a left turning point (16), the piston rod (22) of the left heightening oil cylinder is telescopic to complete the lifting action of the left rocker arm (2), the cylinder barrel (9) of the right heightening oil cylinder is hinged to a hinge point (24) of the fixed cutting part (8), a piston rod (23) of the right heightening oil cylinder is hinged to a first hinge point (25) of the right rocker arm (14), the other end of the right rocker arm (14) is hinged to a right turning point (19), the piston rod (23) of the right heightening oil cylinder is telescopic to complete the lifting action of the right rocker arm (14), the left roller (1) is installed on the left rocker arm (2), and the right roller (15).
2. A shortwall shearer loader as claimed in claim 1, characterized by: draw portion (3) and left electric cabinet (6) a whole box of sharing on a left side, left electric cabinet (6) are on the box right side, draw portion (3) on a left side in the box left side, draw portion (13) and right electric cabinet (10) a whole box of sharing on a right side, electric cabinet (10) on the right side in the box left side, draw portion on the right side (13) on the box right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972900.8A CN112112644B (en) | 2020-09-16 | 2020-09-16 | Short-wall double-drum coal mining machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972900.8A CN112112644B (en) | 2020-09-16 | 2020-09-16 | Short-wall double-drum coal mining machine |
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| Publication Number | Publication Date |
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| CN112112644A true CN112112644A (en) | 2020-12-22 |
| CN112112644B CN112112644B (en) | 2022-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010972900.8A Active CN112112644B (en) | 2020-09-16 | 2020-09-16 | Short-wall double-drum coal mining machine |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064412U (en) * | 1990-05-12 | 1990-10-24 | 煤炭科学研究总院上海分院 | Coal-winning machine with short body and single rotary drum |
| CN2573675Y (en) * | 2002-07-31 | 2003-09-17 | 天地科技股份有限公司上海分公司 | Shortwall coal mining machine with cutting motor transversely placed on machine body |
| CN1566616A (en) * | 2003-07-08 | 2005-01-19 | 天地科技股份有限公司上海分公司 | Machine carried electric traction coal-mining machine with short main body |
| CN101144381A (en) * | 2006-09-11 | 2008-03-19 | 天地上海采掘装备科技有限公司 | Very thin seam coal winning machine with particular arranged motor |
| CN102061913A (en) * | 2010-11-09 | 2011-05-18 | 卫建清 | Modularized coal mining machine |
| CN102536226A (en) * | 2012-02-15 | 2012-07-04 | 闫振东 | Superposition arm three-roller large-mining-height coal mining machine |
| CN102777173A (en) * | 2012-08-10 | 2012-11-14 | 江苏中机矿山设备有限公司 | Cantilever type electric traction coal cutter |
| CN110410072A (en) * | 2019-08-15 | 2019-11-05 | 天地科技股份有限公司上海分公司 | High working face list roller short-wall coal-winning machine and its coal winning technology |
| CN110761788A (en) * | 2019-11-02 | 2020-02-07 | 天地科技股份有限公司上海分公司 | Coal mining machine for fully mechanized mining face of extra-thick coal seam |
| CN111396043A (en) * | 2020-05-14 | 2020-07-10 | 天地科技股份有限公司上海分公司 | Method for adjusting mining height and bedding amount of coal mining machine, easily-replaceable adjusting block and rocker arm mounting structure of coal mining machine |
-
2020
- 2020-09-16 CN CN202010972900.8A patent/CN112112644B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2064412U (en) * | 1990-05-12 | 1990-10-24 | 煤炭科学研究总院上海分院 | Coal-winning machine with short body and single rotary drum |
| CN2573675Y (en) * | 2002-07-31 | 2003-09-17 | 天地科技股份有限公司上海分公司 | Shortwall coal mining machine with cutting motor transversely placed on machine body |
| CN1566616A (en) * | 2003-07-08 | 2005-01-19 | 天地科技股份有限公司上海分公司 | Machine carried electric traction coal-mining machine with short main body |
| CN101144381A (en) * | 2006-09-11 | 2008-03-19 | 天地上海采掘装备科技有限公司 | Very thin seam coal winning machine with particular arranged motor |
| CN102061913A (en) * | 2010-11-09 | 2011-05-18 | 卫建清 | Modularized coal mining machine |
| CN102536226A (en) * | 2012-02-15 | 2012-07-04 | 闫振东 | Superposition arm three-roller large-mining-height coal mining machine |
| CN102777173A (en) * | 2012-08-10 | 2012-11-14 | 江苏中机矿山设备有限公司 | Cantilever type electric traction coal cutter |
| CN110410072A (en) * | 2019-08-15 | 2019-11-05 | 天地科技股份有限公司上海分公司 | High working face list roller short-wall coal-winning machine and its coal winning technology |
| CN110761788A (en) * | 2019-11-02 | 2020-02-07 | 天地科技股份有限公司上海分公司 | Coal mining machine for fully mechanized mining face of extra-thick coal seam |
| CN111396043A (en) * | 2020-05-14 | 2020-07-10 | 天地科技股份有限公司上海分公司 | Method for adjusting mining height and bedding amount of coal mining machine, easily-replaceable adjusting block and rocker arm mounting structure of coal mining machine |
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| CN112112644B (en) | 2022-10-18 |
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