CN110130894B - Method for installing special-shaped working face equipment - Google Patents
Method for installing special-shaped working face equipment Download PDFInfo
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- CN110130894B CN110130894B CN201910424825.9A CN201910424825A CN110130894B CN 110130894 B CN110130894 B CN 110130894B CN 201910424825 A CN201910424825 A CN 201910424825A CN 110130894 B CN110130894 B CN 110130894B
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- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
Abstract
The invention provides a method for installing special-shaped working face equipment, which relates to the field of geological construction and comprises two parts, namely working face tissue installation and working face stubble combining, wherein the special-shaped working face is a cutter handle type working face comprising a back-reaming working face, a middle-reaming working face and an outer-reaming working face, and the middle-reaming working face is an inclined roadway working face; the working surface tissue installation comprises inner cutting eye tissue installation, middle cutting eye tissue installation and outer cutting eye tissue installation; the method for installing the special-shaped working surface equipment provided by the invention is used for designing the working surface at the position of the fault zone of the incision as a cutter handle type working surface, and performing organization installation and then stubble combining operation in three stages to ensure that the arrangement of the working surface is tightly fused. The hydraulic supports for the inner incision tissue installation and the outer incision tissue installation are linearly arranged, and the hydraulic supports for the middle incision tissue installation are obliquely arranged.
Description
Technical Field
The invention belongs to the field of geological construction, and particularly relates to a method for installing special-shaped working face equipment.
Background
Coal mining is easily limited by stope geological conditions and influenced by faults, so that high yield of tissues on a mine is difficult, and the production of a mine is easily influenced by the dislocation of a working face.
And because of the influence of geological structure, the working face is always positioned at a fault zone, and how to ensure stable mines and maintain high mineral yield under the existing resources becomes a problem to be solved urgently in the construction work of the special-shaped working face.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the method for installing the special-shaped working face equipment, which is used for optimally designing the working face and arranging and installing the working face in three stages, and can increase the yield for benchmarking.
The invention provides a method for installing special-shaped working face equipment, which comprises two parts, namely working face tissue installation and working face stubble combining, wherein the special-shaped working face is a cutter handle type working face comprising a inner cutting-hole working face, a middle cutting-hole working face and an outer cutting-hole working face, and the middle cutting-hole working face is an inclined roadway working face; the working surface tissue installation comprises inner cutting eye tissue installation, middle cutting eye tissue installation and outer cutting eye tissue installation; the hydraulic supports for the inner incision tissue installation and the outer incision tissue installation are linearly arranged, and the hydraulic supports for the middle incision tissue installation are obliquely arranged.
Furthermore, the equipment arranged on the working surface tissue installation part sequentially comprises a reversed loader, a crusher, a scraper conveyor, a coal mining machine, a centralized control combined switch, a hydraulic support and a fore support. Transition support, middle hydraulic support, scraper conveyor, coal-winning machine, elevating conveyor and breaker.
Further, when the middle cutting eye tissue is installed, the 2 nd frame and the 3 rd frame stabilizing vehicles in the middle cutting eye tissue installation are withdrawn, the 2 nd frame stabilizing vehicle is installed at the 4 th frame stabilizing vehicle, the 4 th frame stabilizing vehicle is located below the lower frame stabilizing vehicle, the number of the groups of the stabilizing vehicles is 13 after the stabilizing vehicles are installed, and 3 hydraulic supports are installed on each group of the stabilizing vehicles.
Further, the work surface of the previous stage can be organized for production while the work surface is organized for installation. The simultaneous installation and the simultaneous production are realized, and the working benefit is improved.
Furthermore, the working face stubble combining part comprises an inclined roadway working face stubble combining process and an outer eye cutting device stubble combining process.
Furthermore, the inclined roadway working face stubble combining enables the working face hydraulic support and three hydraulic supports in front of the middle cutting working face to form a linear type when the working face is pushed to the first hydraulic support of the middle cutting working face, the coal mining machine is used for construction in front of the stubble combining position, the requirement of a disassembly space during the stubble combining period is met, the corresponding moving position of the hydraulic support is reserved in the space of the stubble combining position, the support interval is adjusted, the side protection plate edge lines of adjacent hydraulic supports are guaranteed to be kept on the same line, and the interval between the adjacent hydraulic support numbers is kept to be not more than 30 cm.
Furthermore, the inclined roadway working face stubble combining comprises a conveyor stubble combining, the middle groove and the machine tail are disassembled according to the minimum distance from the cutting baffle to the coal wall, the machine tail passes through the transition groove and moves forwards for 3 sections of middle groove spaces, and the 3 sections of middle grooves are installed and are matched by adopting a hydraulic prop in the stubble combining process, so that the middle closing of the middle groove is integrally realized and the machine tail special section is butted.
Furthermore, in the stubble combining process of the working face of the inclined roadway, stubble combining is performed once every three hydraulic supports until the last hydraulic support of the working face of the inclined roadway.
Furthermore, in the stubble combining process of the outer eyelet device, the working face is pushed to the first hydraulic support of the outer eyelet working face, the working face supports and all the hydraulic supports of the outer eyelet working face are linearly arranged, the distance between the hydraulic supports is adjusted, the side line of the side protection plate of the adjacent support is kept on the same line, and the last support of the middle eyelet working face and the first support of the outer eyelet working face are combined.
Furthermore, the stubble combining of the external cutting equipment comprises a conveyor stubble combining device, in the stubble combining process of the conveyor, the external cutting working face stubble combining device withdraws a special section of the machine tail to be transported to the machine tail, the second section and the special section are mounted at the position of 5-10 hydraulic supports at the back of the external cutting working face and are combined with a chute of the hydraulic support in front, and when the last hydraulic support of the middle cutting working face and the first hydraulic support of the external cutting working face are combined, hydraulic supports are adopted for allocation work, so that the middle of the whole middle groove is closed, and the chute of the last hydraulic support of the middle cutting working face and the chute of the first hydraulic support of the external cutting working face are combined.
The method for installing the special-shaped working surface equipment has the advantages that the working surface is designed into a cutter handle type working surface aiming at the working surface with the cutting hole positioned at the fault zone, and the arrangement of the working surface is tightly fused after the organization and installation are carried out in three stages.
Through tests, 28000 tons of coal resources are recovered from a working face which is nearly 200 meters long, and the direct economic benefit is 1.9 million yuan. The mining layout is optimized, the efficiency improvement is obviously brought to the coal mining, and the situation of production continuation tension is relieved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic view of a normal state of a parallel working surface of a hydraulic support.
FIG. 2 is a schematic view of a work surface tissue mounting configuration of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of the working surface after stubble cutting according to the embodiment of the invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following description will be made of the equipment installation method by taking a working surface of a new courier coal mine 1513 as an example.
The installation method of the special-shaped working face equipment comprises two parts, namely working face organization installation and working face stubble combining.
1513 the working surface is arranged at the position of fault zone, the 1513 is designed to be knife handle type working surface comprising inner cutting hole working surface, middle cutting hole working surface and outer cutting hole working surface, and the three stages of inner cutting hole tissue installation, middle cutting hole tissue installation and outer cutting hole tissue installation are divided according to the above.
The length of the inner cutting hole working face is 73.5 meters, 49 hydraulic supports are arranged, the middle cutting hole working face is an inclined roadway working face, the length of the inclined roadway cutting hole is 60 meters, 39 hydraulic supports are arranged, the length of the outer cutting hole working face is 65 meters, 41 hydraulic supports are arranged, the length of the working face after stubble combining is 193.2 meters, and 129 hydraulic supports are formed.
The hydraulic supports for mounting the inner incision tissue and the outer incision tissue are linearly arranged, and the hydraulic supports for mounting the middle incision tissue are obliquely arranged, preferably 15 degrees obliquely arranged.
Wherein 6 transition supports are arranged in the hydraulic supports, specifically the 2 nd to 3 rd hydraulic supports and the 126 th and 129 th hydraulic supports; 123 middle hydraulic supports.
Furthermore, the equipment arranged on the working surface tissue installation part sequentially comprises a reversed loader, a crusher, a scraper conveyor, a coal mining machine, a centralized control combined switch, a hydraulic support and a fore support. Transition support, middle hydraulic support, scraper conveyor, coal-winning machine, elevating conveyor and breaker.
When the scraper conveyor is installed, the center line of the head chain wheel is determined by the distance from the center line of the reversed loader.
When the inner cutting eye tissue is installed, 49 hydraulic supports are installed, when the middle cutting eye tissue is installed, the 2 nd frame and the 3 rd frame stabilizing vehicles in the inner cutting eye tissue installation are withdrawn, the 2 nd frame stabilizing vehicle is installed at the 4 th frame stabilizing vehicle, the 4 th frame stabilizing vehicle is located below the lower frame stabilizing vehicle, 13 groups of hydraulic supports are installed after the stabilizing vehicles are installed, 3 hydraulic supports are installed on each group of stabilizing vehicles, and 41 hydraulic supports are installed when the outer cutting eye tissue is installed.
The working face stubble combining part comprises an inclined roadway working face stubble combining process and an outer eye cutting equipment stubble combining process.
When the working face is pushed to the position of a first hydraulic support (a total 50 th hydraulic support) of the middle cutting-hole working face, the working face hydraulic support and three hydraulic supports (a total 50 th hydraulic support to a total 52 th hydraulic support) in front of the middle cutting-hole working face form a linear type, a coal mining machine is used for construction in front of a cutting-hole position, the requirement of disassembling space during cutting-hole closing is met, the corresponding position for moving the hydraulic supports is reserved in the space of the cutting-hole position, the support interval is adjusted, the side protection plate edge lines of adjacent hydraulic supports are kept on the same line, and the interval between the adjacent hydraulic support numbers is kept to be not more than 30 cm.
Furthermore, the inclined roadway working face stubble combining comprises a conveyor stubble combining, the middle groove and the machine tail are disassembled according to the minimum distance from the cutting baffle to the coal wall, the machine tail passes through the transition groove and moves forwards for 3 sections of middle groove spaces, and the 3 sections of middle grooves are installed and are matched by adopting a hydraulic prop in the stubble combining process, so that the middle closing of the middle groove is integrally realized and the machine tail special section is butted.
Furthermore, in the stubble combining process of the working face of the inclined roadway, stubble combining is performed once every three hydraulic supports until the last hydraulic support (the 88 th hydraulic support) of the working face of the inclined roadway is reached, and the stubble combining of the hydraulic supports in the inclined roadway is completed.
Furthermore, in the stubble combining process of the outer reaming equipment, the working face is pushed to the position of a first hydraulic support (total 89 th hydraulic support) of the outer reaming working face, all the hydraulic supports (total 89 th to 129 th hydraulic supports) of the outer reaming working face are linearly arranged with the hydraulic supports, the distance between the hydraulic supports is adjusted, the side protection plate sidelines of adjacent supports are kept on the same line, and the last support of the middle reaming working face is combined with the first support (total 88 th and 89 th hydraulic supports) of the outer reaming working face.
Furthermore, the stubble combining of the external cutting equipment comprises a conveyor stubble combining device, in the stubble combining process of the conveyor, the external cutting working face stubble combining device retracts a special section of the conveyor tail to be transported to the position of the conveyor tail, a chute of a 122 th hydraulic support in front of the machine tail, a chute of a second section and a special section are mounted at the position of 5-10 (123 th to 129 th total) hydraulic supports of the external cutting working face, and when the last hydraulic support of the middle cutting working face and the first hydraulic support of the external cutting working face (88 th and 89 th total supports) combine stubbles, hydraulic supports are adopted for blending operation, so that the middle of the middle groove is integrally closed, and the last hydraulic support of the middle cutting working face and the chute of the first hydraulic support of the external cutting working face (88 th and 89 th total hydraulic supports) combine stubbles.
Because the support stubble combining adopts a two-step stubble combining method, the simple machine tail is used by the stubble combining conveyor in the first step, the matched machine tail is used for stubble combining when the whole working face is combined in the second step, the unit stubble combining speed is high when the working face is used in production in a working area, the monthly unit yield of the working face is improved, and the positive effect on the stable high yield of a mine is achieved.
The method for installing the special-shaped working surface equipment provided by the invention is used for designing the working surface at the position of the fault zone of the incision as a cutter handle type working surface, and performing organization installation and then stubble combining operation in three stages to ensure that the arrangement of the working surface is tightly fused.
The working face is designed in the fault area, reasonable layout of the coal mining technology of the working face is researched, 28000 tons of coal resources are recovered from the 1513 working face, and direct economic benefit is 1.9 million yuan. 1513 during installation of working face, the production of working face is organized at the last stage of mine organization, so that the installation and production are simultaneously carried out to optimize the mining layout, thereby improving the coal mining efficiency and alleviating the situation of continuous production. The method is favorable for adopting the working face layout with complex geological conditions, so that the working face extraction is difficult, the layout is elaborately designed on the basis of the existing work, how to quickly combine the stubbles of the working faces is realized, and the stable yield and the high yield efficiency of the working faces are ensured.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A method for installing special-shaped working face equipment is characterized by comprising the following steps: the special-shaped working face is a cutter handle type working face comprising a inner cutting hole working face, a middle cutting hole working face and an outer cutting hole working face, and the middle cutting hole working face is an inclined roadway working face;
the working surface tissue installation comprises inner cutting eye tissue installation, middle cutting eye tissue installation and outer cutting eye tissue installation;
the hydraulic supports for mounting the inner incision tissue and the outer incision tissue are linearly arranged, and the hydraulic supports for mounting the middle incision tissue are obliquely arranged;
the working face stubble combining part comprises an inclined roadway working face stubble combining process and an outer eye cutting equipment stubble combining process;
when the working face is pushed to the first hydraulic support of the middle-cutting-hole working face, the working face hydraulic support and the three hydraulic supports in front of the middle-cutting-hole working face form a linear type, a coal mining machine is used for construction in front of a stubble combining position, the requirement of a disassembly space during stubble combining is met, corresponding moving positions of the hydraulic supports are reserved in the space of the stubble combining position, the support interval is adjusted, the side protection plate edge lines of adjacent hydraulic supports are kept on the same line, and the interval between the adjacent hydraulic support numbers is kept to be not more than 30 cm;
the inclined roadway working face stubble combining comprises a conveyor stubble combining, the middle groove and the machine tail are disassembled according to the minimum distance from the cutting baffle to the coal wall, the machine tail passes through the aqueduct and moves forwards for 3 sections of middle groove spaces, and the hydraulic prop is adopted for allocation work during the stubble combining process for installing the 3 sections of middle grooves, so that the middle closing of the whole middle groove is realized and the butt joint with the special section of the machine tail is realized;
in the stubble combining process of the working face of the inclined roadway, stubble combining is carried out once every three hydraulic supports until the last hydraulic support of the working face of the inclined roadway.
2. The profiled work surface apparatus installation method of claim 1, wherein: the equipment arranged on the working surface tissue installation part sequentially comprises a reversed loader, a crusher, a scraper conveyor, a coal cutter, a centralized control combined switch, a hydraulic support, a forepoling, a transition support, a middle hydraulic support, a scraper conveyor, a coal cutter, a reversed loader and a crusher.
3. The profiled work surface apparatus installation method of claim 1, wherein: when the middle cutting eye tissue is installed, the 2 nd frame and the 3 rd frame stabilizing vehicles in the middle cutting eye tissue installation are withdrawn, the 2 nd frame stabilizing vehicle is installed at the 4 th frame stabilizing vehicle, the 4 th frame stabilizing vehicle is positioned below the lower frame stabilizing vehicle, the number of the groups of the stabilizing vehicles is 13 after the stabilizing vehicles are installed, and 3 hydraulic supports are installed on each group of the stabilizing vehicles.
4. The profiled work surface apparatus installation method as claimed in any one of claims 1 to 3, wherein: the work surface of the previous stage can be organized for production at the same time as the work surface is organized for installation.
5. The profiled work surface apparatus installation method of claim 1, wherein: in the stubble combining process of the external reaming equipment, the working face is pushed to the first hydraulic support of the external reaming working face, the working face supports and all the hydraulic supports of the external reaming working face are kept in linear arrangement, the distance between the hydraulic supports is adjusted, the side guard plate edge lines of adjacent supports are kept on the same line, and the last support of the middle reaming working face and the first support of the external reaming working face are combined.
6. The profiled work surface apparatus installation method of claim 5, wherein: the stubble combining of the external cutting equipment comprises a conveyer stubble combining, in the stubble combining process of the conveyer, the external cutting working face stubble combining enables a special section of the tail to be retracted and transported to the tail, the second section and the special section are mounted at the position of 5-10 hydraulic supports behind the external cutting working face and combined with a chute of the hydraulic support in front, and when the last hydraulic support of the middle cutting working face and the first hydraulic support of the external cutting working face combine, hydraulic supports are adopted for allocation, so that the middle groove is integrally closed, and the chute of the last hydraulic support of the middle cutting working face and the chute of the first hydraulic support of the external cutting working face are combined.
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| CN201910424825.9A CN110130894B (en) | 2019-05-21 | 2019-05-21 | Method for installing special-shaped working face equipment |
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| CN110130894B true CN110130894B (en) | 2020-12-11 |
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| 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 |
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| CN104329117A (en) * | 2014-08-28 | 2015-02-04 | 江苏中矿立兴能源科技有限公司 | Installation method of comprehensive mechanized filling, coal mining and open-off cutting equipment |
| CN104453902A (en) * | 2014-11-23 | 2015-03-25 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Method for switching coal face from false vertical dip mining into true inclination mining |
| CN105003267A (en) * | 2015-08-13 | 2015-10-28 | 兖州煤业股份有限公司 | Later-period fully mechanized coal mining method for special working face |
| CN107060759A (en) * | 2017-06-05 | 2017-08-18 | 山东东山新驿煤矿有限公司 | The method of complex geological condition fully-mechanized mining working separating-closing type passing fault |
| CN107355248A (en) * | 2017-09-05 | 2017-11-17 | 淮南矿业(集团)有限责任公司 | A kind of fully mechanized coal face fully-mechanized mining equipment method for rapidly mounting |
-
2019
- 2019-05-21 CN CN201910424825.9A patent/CN110130894B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329117A (en) * | 2014-08-28 | 2015-02-04 | 江苏中矿立兴能源科技有限公司 | Installation method of comprehensive mechanized filling, coal mining and open-off cutting equipment |
| CN104453902A (en) * | 2014-11-23 | 2015-03-25 | 四川省华蓥山煤业股份有限公司绿水洞煤矿 | Method for switching coal face from false vertical dip mining into true inclination mining |
| CN105003267A (en) * | 2015-08-13 | 2015-10-28 | 兖州煤业股份有限公司 | Later-period fully mechanized coal mining method for special working face |
| CN107060759A (en) * | 2017-06-05 | 2017-08-18 | 山东东山新驿煤矿有限公司 | The method of complex geological condition fully-mechanized mining working separating-closing type passing fault |
| CN107355248A (en) * | 2017-09-05 | 2017-11-17 | 淮南矿业(集团)有限责任公司 | A kind of fully mechanized coal face fully-mechanized mining equipment method for rapidly mounting |
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