CN102562113A - Anti-skidding structure of three-machine matched equipment for fully mechanized coal face of steep seam - Google Patents
Anti-skidding structure of three-machine matched equipment for fully mechanized coal face of steep seam Download PDFInfo
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- CN102562113A CN102562113A CN2012100676918A CN201210067691A CN102562113A CN 102562113 A CN102562113 A CN 102562113A CN 2012100676918 A CN2012100676918 A CN 2012100676918A CN 201210067691 A CN201210067691 A CN 201210067691A CN 102562113 A CN102562113 A CN 102562113A
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Abstract
The invention discloses an anti-skidding structure of three-machine matched equipment for a fully mechanized coal face of a steep seam. The anti-skidding structure comprises a coal mining machine in a pitching oblique direction long wall fully mechanized coal face, a scraper conveyor and a plurality of hydraulic supports forming a support system; a rail way for moving the coal mining machine is fixedly connected with a base of the scraper conveyor; the base of the scraper conveyor is connected with foundations of the hydraulic supports through a support push rod; the hydraulic supports have a parallelogram shape when overlooked; the front ends of the lower sides of the foundations of the hydraulic supports are provided with anti-skidding jacks which are arranged along the pitching oblique direction of the working face; and the front parts of the anti-skidding jacks are pressed against the lower side of the support push rod. The anti-skidding structure has the advantages that: the three-machine matched equipment in the fully mechanized coal face is good in whole anti-skidding effect, a support system is stable, the operation environment is safe, operation space is large, and the coal recovery rate and the utilization rate of resources are high.
Description
Technical field
The present invention relates to colliery underground coal mining work plane comprehensive mechanical coal mining supporting technology, particularly a kind of anti-skid structure that is used for half-edge coal seam fully-mechanized mining working three machine corollary equipments.
Background technology
Half-edge coal seam is meant a kind of inclination angle greater than 45 ° of coal seams, and it has characteristics such as wide in the distribution of China, that occurrence condition is complicated, the exploitation difficulty is big.Therefore, domestic many collieries all need solve the inclination angle greater than 45 ° the single longwall full-mechanized mining technique technical barrier that moves towards of girdle.Because steeply-inclined seam mining working space angle of inclination is big, and the equipment back skating is dangerous big, and coal mine waste rock potential threat such as splash is big, and its special difficulty is arranged; The half-edge coal seam complex structure, fold, tomography have both at the same time, and operating environment is abominable, production safety hidden danger is many, and the comprehensive difficulty of adopting is big; High especially to the requirement of plant equipment compliance, be difficult to use existing fully-mechanized mining equipment supporting, generally adopt timber; Behindhand types such as monomer carry out supporting, and personal security is difficult to guarantee that coal-mining method falls behind; Adopt common process method exploitation half-edge coal seam, so difficulty very is can't existing fully mechanized mining of simple application and fully-mechanized mining equipment; Adopt traditional strike long wall method exploitation, simultaneously, traditional strike long wall method is in exploitation process; The inclination angle of coal seam and top thereof, base plate is bigger, and stope top, base plate are still by its some intrinsic regular movement, and the work plane ore deposit is pressed to manifest and also is different from gently inclined seam.The roof control work of exploitation method is much more complicated than gently inclined seam, owing to relate to fully-mechanized mining equipment, technology is comparatively complicated, also is the main cause that its benefit is difficult to bring into play.Using conventional methods the exploitation of carrying out half-edge coal seam with technology has been the difficult problem that can't go beyond, at present, does not still have effective solution.Because the half-edge coal seam fully-mechanized mining working is high to the compliance requirement of coal mine machinery equipment, difficulty is big, the exploitation slower development of most mining areas half-edge coal seam, recovery ratio is low, serious waste of resources.So research and development can adapt to the fully mechanized mining of half-edge coal seam, realize its comprehensive mechanical coal mining, guarantee personal security, improve its output, be of great immediate significance.
Well-knownly be, the supporting formation of support system that fully-mechanized mining equipment is made up of coal-winning machine, drag conveyor and several hydraulic supports, fully mechanized mining comprises the setting of work plane and to the sequence of motion of three machine corollary equipments in the work plane and the control of direction.For comprehensive the adopting of half-edge coal seam, the anti-skidding of three machine corollary equipments is the problem that need at first solve.It is inapplicable for comprehensive the adopting of half-edge coal seam to combine the three machine corollary equipments of adopting in the prior art.
Summary of the invention
The object of the invention is exactly the deficiency to prior art, provides a kind of half-edge coal seam that is used for to combine and adopt the supporting anti-skid structure of three machines, to adapt to half-edge coal seam fully mechanized mining needs.
For realizing above-mentioned purpose, the present invention adopts following technical scheme.
A kind of supporting anti-skid structure of half-edge coal seam fully-mechanized mining working three machines that is used for; Comprise and be located at pseudo-coal-winning machine, drag conveyor in the longwall full-mechanized mining technique work plane and a plurality of hydraulic supports that constitute support system of tiltedly moving towards of bowing; Being used for the track that coal-winning machine moves is fixedly connected with the support of drag conveyor; The support of drag conveyor is connected with the base of hydraulic support through the support push rod, the plan view shape parallelogram of said hydraulic support, and the base downside front end of hydraulic support is provided with anti-skidding jack; Anti-skidding jack arranges that along the pseudo-tilted direction of bowing of work plane anti-skidding jack front portion holds at support push rod downside.
Adopt aforementioned schemes the present invention; The pseudo-longwall full-mechanized mining technique work plane that tiltedly moves towards has adopted the anti-skidding pseudo-tiltedly mode of bowing of the equipment that is beneficial to arrange that the hydraulic support of plan view shape parallelogram is beneficial to the stability walkway width anterior with increasing support that improves support because half-edge coal seam is bowed.The actual coal mining when operating; A plurality of parallelogram hydraulic supports need be accomplished from bottom to up and move frame in proper order, require the conveyer level to advance simultaneously, must not glide; Guarantee the globality and the uniformity of pushing and sliding; The pushing and sliding speed that slows down, thus reach the purpose of more accurately controlling the pushing and sliding stroke, but do not influence the speed that work plane is tried to stop people from fighting each other.After the completion of work plane all hydraulic support moves frame, realize the whole pushing and sliding of conveyer, in the pushing and sliding process and after the pushing and sliding, carry out the integral body adjustment of conveyer simultaneously.For this reason; Base downside front end setting through at hydraulic support holds the anti-skidding jack below the support push rod; Through a plurality of anti-skidding jack actings in conjunction that are installed in the hydraulic support foundation front end; The downslide component of conveyer effectively is delivered on the base of hydraulic support, thereby makes supporting " three machines " form the stable whole structure, glide effectively to prevent whole conveyer.Anti-skidding jack is used to also to realize that the last transposition of conveyer is whole, thereby correct tractive position fulcrum is provided for hydraulic support.Simultaneously, adopt specific process for stoping, like up coal cutting, the unidirectional frame etc. that moves one by one makes full use of the stability that process characteristic also can further improve entire working surface equipment and system.
When the fully-mechanized mining working coordinative composition of equipments, to take into full account the size matching relationship of all kinds equipment, carry out the spoil protected working of cutting between eye and the work plane, for work plane provides safe and reliable working space.The half-edge coal seam pseudo-present situation of steeply-inclined seam mining side after dealing with of tiltedly having moved towards the longwall full-mechanized mining technique process reform of bowing; For fully-mechanized mining half-edge coal seam safely and efficiently provides technical support; Solve the comprehensive key issue of adopting of half-edge coal seam from technology perfectly; Comprise the fully-mechanized mining working personal security, realize safety, the cycle operation of half-edge coal seam fully-mechanized mining working.
Optimized technical scheme; Said anti-skidding jack front end is the truncated cone structure; The part of the truncated cone conical surface holds on support push rod side, to increase contact surface, even after slightly rotating appears in anti-skidding jack front end; The stability that also can keep itself and support push rod to hold further improves skidproof effect.
Further optimized technical scheme, the bearing pin of said anti-skidding jack vertically is located on the base of hydraulic support, to adapt to the small size swing of anti-skidding jack at horizontal plane, prolongs the application life of anti-skidding jack.The oil-in of anti-skidding jack is the main muscle setting that is parallel to hydraulic support foundation, has enough operating spaces to guarantee the hydraulic support front end.
The present invention's beneficial effect compared with prior art is, the whole good antiskid effect of three machine corollary equipments in the fully-mechanized mining working, stable, the operating environment safety of support system, and working space is big, coal mining rate and resource utilization height.
Description of drawings
Fig. 1 is a structural representation of the present invention, and mark 31 is the main muscle of hydraulic support foundation among the figure.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further described, but does not therefore limit the present invention among the described scope of embodiments.
Referring to Fig. 1; A kind of supporting anti-skid structure of half-edge coal seam fully-mechanized mining working three machines that is used for; Comprise and be located at pseudo-coal-winning machine (not shown), drag conveyor 2 in the longwall full-mechanized mining technique work plane and a plurality of hydraulic supports 3 that constitute support system of tiltedly moving towards of bowing; Being used for the track that coal-winning machine moves is fixedly connected with the support of drag conveyor 2; The support of drag conveyor 2 is connected with the base of hydraulic support 3 through support push rod 4, the plan view shape parallelogram of said hydraulic support 3, and the base downside front end of hydraulic support 3 is provided with anti-skidding jack 1; Anti-skidding jack 1 arranges that along the pseudo-tilted direction of bowing of work plane anti-skidding jack 1 front portion holds at support push rod 4 downsides.
Said anti-skidding jack 1 front end is the truncated cone structure.
The bearing pin 11 of said anti-skidding jack 1 vertically is located on the base of hydraulic support 3; The oil-in of anti-skidding jack 1 is the main muscle setting that is parallel to hydraulic support 3 bases.
Though more than combined accompanying drawing to describe embodiment of the present invention; But those of ordinary skill in the art also can recognize in the scope to accompanying claims and make various variations or modification, and these modifications and variation are interpreted as within scope of the present invention and intention.
Claims (3)
1. one kind is used for the supporting anti-skid structure of half-edge coal seam fully-mechanized mining working three machines; Comprise and be located at pseudo-coal-winning machine, drag conveyor (2) in the longwall full-mechanized mining technique work plane and a plurality of hydraulic supports (3) that constitute support system of tiltedly moving towards of bowing; Being used for the track that coal-winning machine moves is fixedly connected with the support of drag conveyor (2); The support of drag conveyor (2) is connected with the base of hydraulic support (3) through support push rod (4); It is characterized in that: said hydraulic support (3) plan view shape parallelogram; The base downside front end of hydraulic support (3) is provided with anti-skidding jack (1), and anti-skidding jack (1) arranges that along the pseudo-tilted direction of bowing of work plane anti-skidding jack (1) front portion holds at support push rod (4) downside.
2. the supporting anti-skid structure of half-edge coal seam fully-mechanized mining working three machines that is used for according to claim 1, it is characterized in that: said anti-skidding jack (1) front end is the truncated cone structure.
3. the supporting anti-skid structure of half-edge coal seam fully-mechanized mining working three machines that is used for according to claim 1 and 2, it is characterized in that: the bearing pin (11) of said anti-skidding jack (1) vertically is located on the base of hydraulic support (3); The oil-in of anti-skidding jack (1) is the main muscle (31) that is parallel to hydraulic support (3) base and is provided with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100676918A CN102562113A (en) | 2012-03-15 | 2012-03-15 | Anti-skidding structure of three-machine matched equipment for fully mechanized coal face of steep seam |
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| CN2012100676918A CN102562113A (en) | 2012-03-15 | 2012-03-15 | Anti-skidding structure of three-machine matched equipment for fully mechanized coal face of steep seam |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758546A (en) * | 2013-12-06 | 2014-04-30 | 中煤北京煤矿机械有限责任公司 | Anti-slide bottom-lifting mechanism for hydraulic support |
| CN103924974A (en) * | 2014-05-04 | 2014-07-16 | 安徽理工大学 | Triangular anti-sliding bottom plate capable of being used for coal mining of inclined long arm of slow inclined seam |
| CN104453992A (en) * | 2014-09-25 | 2015-03-25 | 西南天地煤机装备制造有限公司 | Rigid antiskid devices for conveying machines |
| CN109184692A (en) * | 2018-11-13 | 2019-01-11 | 西安科技大学 | A kind of critical pseudo- oblique angle comprehensive mechanical mining method of half-edge coal seam |
| CN109667583A (en) * | 2019-02-28 | 2019-04-23 | 枣庄矿业集团新安煤业有限公司 | A kind of coal machine anti-tipping apparatus |
| CN110173290A (en) * | 2019-07-02 | 2019-08-27 | 重庆市能源投资集团科技有限责任公司 | A kind of hydraulic support for high-dipping stope face |
| CN112647997A (en) * | 2020-12-22 | 2021-04-13 | 临沂矿业集团有限责任公司 | Coal mining protection device based on digitization |
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| CN201460976U (en) * | 2009-07-27 | 2010-05-12 | 郑州煤机综机设备有限公司 | Combined mining working surface half-edge coal seam conveyor anti-slip device |
| CN102373937A (en) * | 2011-09-30 | 2012-03-14 | 天地科技股份有限公司 | Rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam |
| CN202467879U (en) * | 2012-03-15 | 2012-10-03 | 重庆市能源投资集团科技有限责任公司 | Antiskid structure for three-machine matching equipment in fully-mechanized coal mining face of steeply-inclined coal seam |
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2012
- 2012-03-15 CN CN2012100676918A patent/CN102562113A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201460976U (en) * | 2009-07-27 | 2010-05-12 | 郑州煤机综机设备有限公司 | Combined mining working surface half-edge coal seam conveyor anti-slip device |
| CN102373937A (en) * | 2011-09-30 | 2012-03-14 | 天地科技股份有限公司 | Rhombic hydraulic support for pseudo-inclined down mining working surface of steep coal seam |
| CN202467879U (en) * | 2012-03-15 | 2012-10-03 | 重庆市能源投资集团科技有限责任公司 | Antiskid structure for three-machine matching equipment in fully-mechanized coal mining face of steeply-inclined coal seam |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758546A (en) * | 2013-12-06 | 2014-04-30 | 中煤北京煤矿机械有限责任公司 | Anti-slide bottom-lifting mechanism for hydraulic support |
| CN103924974A (en) * | 2014-05-04 | 2014-07-16 | 安徽理工大学 | Triangular anti-sliding bottom plate capable of being used for coal mining of inclined long arm of slow inclined seam |
| CN104453992A (en) * | 2014-09-25 | 2015-03-25 | 西南天地煤机装备制造有限公司 | Rigid antiskid devices for conveying machines |
| CN109184692A (en) * | 2018-11-13 | 2019-01-11 | 西安科技大学 | A kind of critical pseudo- oblique angle comprehensive mechanical mining method of half-edge coal seam |
| CN109667583A (en) * | 2019-02-28 | 2019-04-23 | 枣庄矿业集团新安煤业有限公司 | A kind of coal machine anti-tipping apparatus |
| CN110173290A (en) * | 2019-07-02 | 2019-08-27 | 重庆市能源投资集团科技有限责任公司 | A kind of hydraulic support for high-dipping stope face |
| CN112647997A (en) * | 2020-12-22 | 2021-04-13 | 临沂矿业集团有限责任公司 | Coal mining protection device based on digitization |
| CN112647997B (en) * | 2020-12-22 | 2022-05-13 | 临沂矿业集团有限责任公司 | Coal mining protection device based on digitization |
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Application publication date: 20120711 |