CN102926781B - The anti-linkage support apparatus of a kind of gob side entry retaining - Google Patents
The anti-linkage support apparatus of a kind of gob side entry retaining Download PDFInfo
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- CN102926781B CN102926781B CN201210403165.4A CN201210403165A CN102926781B CN 102926781 B CN102926781 B CN 102926781B CN 201210403165 A CN201210403165 A CN 201210403165A CN 102926781 B CN102926781 B CN 102926781B
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Abstract
The invention discloses a kind of gob side entry retaining reverse-four-link-bar mechanism support apparatus, comprise the identical hydraulic support A of agent structure, hydraulic support B, hydraulic support C and Fencing protection device.Described agent structure comprises reverse-four-link-bar stabilizing mechanism, face guard, front stretching beam, front-axle beam, back timber, rear balance arm and rear extensible canopy and relevant oil cylinder; The balance arm rear defence cash device of the secondary anti-spoil side plate that described Fencing protection device comprises hydraulic support A, the base telescopic secondary anti-spoil side plate of hydraulic support A, hydraulic support A and hydraulic support B, hydraulic support A and the anti-cash device of hydraulic support B base rear portion telescopic secondary.The present invention can reduce the hysteresis in gob-side entry retaining work space, provides closed working space, ensures the safety of gob-side entry retaining work, improves gob side entry retaining operating efficiency.
Description
Technical field
The present invention relates to the anti-linkage support apparatus of a kind of gob side entry retaining, belong to coal mining mechanical manufacturing field.
Background technology
Edge air gallery technology can realize non chain pillar entryprotection preferably, it is a major reform of Coal Mining Technology, technique is not only reasonable development coal resources, improve coal resources recovery ratio, extend mine service-life, reduce tunnelling amount, alleviate excavation replacement contradiction, cancel island working face and shorten moving time, prevent from getting angry, be conducive to mine safety production and improve of mine technology economic effect great protect lane technology, and be that mining method reform is carried out in mine, realize protrusive and reciprocating mining, realize Y type draft type, the effective way of a control face gas exceeding limit difficult problem, its technical advantage and remarkable in economical benefits.The developed country such as Britain, Germany adopts gob side entry retaining (also claiming to ventilate without coal pillar mining, roadside packing or Y type) production technique from the sixties in last century, and China is introducing and employment from the seventies in last century.Up to the present, a large amount of work has been done in gob side entry retaining theoretical and technological studies by China, but because of the impact by geological conditions, support apparatus and the aspect such as filler and filling process, some mines are not achieved the desired result when applying edge air gallery technology, thus limits edge air gallery technology and broadly apply in China.
At least there are one or more problems following in current backfill for underground gob-side entry retaining of coal mine support apparatus:
(1) adopt individual prop supporting, labour intensity is large, efficiency is low, poor stability;
(2) adopt the transition bracket of conventional comprehensive mining hydraulic bracket structure, be arranged in work plane chain-drive section, for staying gob side entry retaining trouble free service space, cause this support delayed force piece distance large, bracket support area is large, and weight support frame is large, moving difficulty; Misplace greatly with middle bracket simultaneously, cause stone-blocking structure difficult design, be difficult to the safety ensureing working space;
(3) adopt horizontal face end support, support moving difficulty, support abandoned, in goaf, causes gob side entry retaining work cannot the waste of operation and resource.
Summary of the invention
The object of the invention is for the existing gob side entry retaining process characteristic of Chuan Meiji, there is provided that a kind of support efficiency is high, safety good, compact conformation, be easy to the gob side entry retaining support apparatus passed, the inventive method can reduce the hysteresis in gob-side entry retaining work space, closed working space is provided, ensure the safety of gob-side entry retaining work, ensure the high efficiency of gob-side entry retaining support equipment moving.
For achieving the above object, the present invention adopts following technical scheme:
A kind of gob side entry retaining reverse-four-link-bar mechanism support apparatus, comprises the identical hydraulic support A of agent structure, hydraulic support B, hydraulic support C and Fencing protection device.Described agent structure comprises the stabilizing mechanism of reverse-four-link-bar mechanism, face guard, front stretching beam, front-axle beam, back timber, rear balance arm and rear extensible canopy and relevant oil cylinder; Described reverse-four-link-bar stabilizing mechanism, comprises base, front rod, back link and cant beam, and wherein front rod, back link and cant beam are arranged between forward and backward column; Described back timber is anterior hinged with front-axle beam, rear portion and rear balance arm hinged, middle part and cant beam hinged, be connected with base by four root posts; Described front stretching beam and front-axle beam stretch formula connected mode in being, extensible canopy front end is hinged with face guard; Described rear extensible canopy and rear balance arm stretch formula connected mode in being.The secondary anti-spoil side plate that described Fencing protection device comprises hydraulic support A, the base telescopic secondary anti-spoil side plate of hydraulic support A, the balance arm rear defence cash device of hydraulic support A and hydraulic support B, the anti-cash device of hydraulic support rear portion telescopic secondary.
It is characterized in that: the anterior hinged front-axle beam of described back timber, the hinged rear balance arm in rear portion; The stabilizing mechanism of described reverse-four-link-bar mechanism, its cant beam is arranged between the column of front and back; Closed gob-side entry retaining work space is left at described three frame support rear portions.
A kind of preferred technical scheme, it is characterized in that rear balance arm jack one end is fixed on base, one end is fixed on rear balance arm, and after in working height range, balance arm can flush with back timber, again can 45 °, the bottom.
A kind of preferred technical scheme, a dismountable working platform is arranged at bottom, described closed gob-side entry retaining work space, and this platform is connected with base by two power bars and bearing pin with base rear portion.
A kind of preferred technical scheme, be is characterized in that the anti-spoil side plate of the secondary of described support A, is connected by linkage with rear balance arm side plate, form enclosure space with the anti-spoil side plate of the base telescopic secondary of hydraulic support A.
A kind of preferred technical scheme, it is characterized in that the balance arm rear defence cash device of described hydraulic support A and hydraulic support B, can leveling supporting roof, increase trouble free service space, can regain completely again, become 180 ° with rear extensible canopy, enclosure space can be formed with the anti-cash device of base rear portion telescopic secondary when rear waste rock board is recovered to 90 °.
A kind of preferred technical scheme, be is characterized in that base telescopic secondary anti-spoil side plate and the anti-cash device of base rear portion telescopic secondary of described hydraulic support A, is controlled by jack, can regulate gear cash height.
A kind of preferred technical scheme, is characterized in that the base telescopic secondary anti-spoil side plate of hydraulic support A, telescopic secondary anti-cash device in hydraulic support foundation rear portion is all be connected with base rear portion working platform with bearing pin by two power bars.
The present invention is mainly used in the fully-mechanized mining working adopting gob side entry retaining production practice.
Advantage of the present invention is:
Support apparatus of the present invention can meet the demand of gob-side entry retaining work safety support.Also have the following advantages:
1. gob side entry retaining reverse-four-link-bar mechanism support apparatus is adopted, by bracket stable arrangement of mechanism in centre, supporting with the two column protected type hydraulic support of positive double leval jib stabilizing mechanism, namely ensure that the space on the front sidewalk of frame, in turn ensure that the working space needed for gob side entry retaining after frame, shorten the length of whole support simultaneously, decrease the distance of face roof under control of gob-side entry retaining support device, improve the safety of operating space, alleviate weight support frame, enhance the operating characteristics of support;
2. gob side entry retaining reverse-four-link-bar mechanism support apparatus is adopted, supporting structure is compact, Background Job space of planes and force piece side and rear design have lever mechanism, provide closed working space, improve the safety of gob side entry retaining work to gob-side entry retaining work;
3. gob side entry retaining reverse-four-link-bar mechanism support apparatus is the same with middle bracket adopts do mechanization operation, enhances the mechanization degree of gob-side entry retaining support equipment, improves the efficiency of this production practice;
4. the parts in gob side entry retaining reverse-four-link-bar mechanism support apparatus rear portion forming closed gob-side entry retaining work space are all by bearing pin and rack body is hinged forms, when not adopting gob side entry retaining technique, the parts of promising gob-side entry retaining work design are all removable lays down;
5. after in support working height range, balance arm can flush with back timber, again can 45 °, the bottom, when not adopting gob side entry retaining technique, the rear balance arm bottom is to 45 °, goaf spoil can be screened not enter work plane, can with force piece with the use of, normally mine in face of finishing the work.
Below in conjunction with accompanying drawing and preferred forms, the present invention will be further described, to make the public have overall to summary of the invention and understand fully, and not limiting the scope of the present invention.Preceding sections has fully disclosed the protection domain that the present invention can implement, and therefore all equivalent replacements any well known in the art carried out according to the disclosure of invention, all belong to infringement of the present invention.
Accompanying drawing explanation
Fig. 1 is hydraulic support A floor map of the present invention.
Fig. 2 is hydraulic support B floor map of the present invention.
Fig. 3 is hydraulic support C floor map of the present invention.
Fig. 4 is gob side entry retaining support apparatus schematic top plan view of the present invention.
Detailed description of the invention
A kind of gob side entry retaining reverse-four-link-bar mechanism support apparatus comprises the identical hydraulic support A of agent structure, hydraulic support B, hydraulic support C and Fencing protection device.
Gob side entry retaining reverse-four-link-bar mechanism of the present invention support apparatus hydraulic support agent structure is as shown in Fig. 1 ~ 3: mainly contain face guard 1, front stretching beam 2, front-axle beam 3, back timber 4, rear balance arm 5, rear extensible canopy 6, base 7, front rod 8, back link 9, cant beam 10, column 11 and relevant cylinder jack.Hydraulic support is composed as follows: by back timber 4 and the base 7 at four root posts, 11 points of front two rows, its two ends hinged that are symmetrically arranged; Back timber 4 front portion by bearing pin and front-axle beam 3 hinged, rear end by bearing pin and rear balance arm 5 hinged, middle part and cant beam hinged; Formula extensible canopy 2 is stretched in arranging in front-axle beam 3; The hinged face guard 1 in extensible canopy 2 front end; Formula extensible canopy 6 is stretched in arranging in rear balance arm 5.
Fencing protection device of the present invention is as shown in Fig. 1 ~ 4: the rear balance arm secondary anti-spoil side plate 22, hydraulic support A base anti-spoil side plate 15, hydraulic support A base telescopic secondary anti-spoil side plate 18, the balance arm rear defence cash device 20 of hydraulic support A and hydraulic support B, base rear portion anti-cash mount board 16, the anti-cash device 17 of base rear portion telescopic secondary, the base rear portion working platform 13 that mainly contain the back timber secondary anti-spoil side plate 24 of hydraulic support A, pressure support A.
Rear balance arm jack 23 one end of the present invention is fixed on base 7, and one end is fixed on rear balance arm 5, and after in working height range, balance arm 5 can flush with back timber, again can 45 °, the bottom.
One working platform 13 is arranged at bottom, closed gob-side entry retaining work space of the present invention, and this platform is connected with base 7 by two power bars 12 and bearing pin with base 7 rear portion.
The anti-spoil side plate 24 of back timber secondary of hydraulic support A of the present invention is fixed by connecting rod 19 and back timber side plate, the rear balance arm secondary anti-spoil side plate 22 of hydraulic support A is fixed by connecting rod 19 and rear balance arm side plate, forms sealing surface with the anti-spoil side plate 18 of the base telescopic secondary of hydraulic support A.
Hydraulic support A of the present invention is connected with rear extensible canopy 6 with the balance arm rear defence cash device 20 of hydraulic support B, can leveling supporting roof, increases trouble free service space, can regain completely again, become 180 ° with rear extensible canopy.
The base telescopic secondary anti-spoil side plate 18 of hydraulic support A of the present invention and the anti-cash plate 17 of base rear portion telescopic secondary, controlled by jack 14, can regulate waste rock board height.
The base telescopic secondary anti-spoil device of hydraulic support A of the present invention, the anti-cash device of hydraulic support rear portion telescopic secondary are all be connected with base rear portion working platform 13 with bearing pin by two power bars 12.
Plant and instrument used in the specific embodiment of the invention is the known equipment of coal-mining technique those skilled in the art, can obtain by buying.
Claims (7)
1. a gob side entry retaining reverse-four-link-bar mechanism support apparatus, comprises hydraulic support A, hydraulic support B, hydraulic support C and Fencing protection device that agent structure same lateral is arranged side by side; Described agent structure comprises reverse-four-link-bar stabilizing mechanism, face guard, front stretching beam, front-axle beam, back timber, rear balance arm and rear extensible canopy and relevant oil cylinder; Described reverse-four-link-bar stabilizing mechanism, comprises base, front rod, back link and cant beam, and wherein front rod, back link and cant beam are arranged between forward and backward column; Described back timber is anterior hinged with front-axle beam, rear portion and rear balance arm hinged, middle part and cant beam hinged, be connected with base by four root posts; Described front stretching beam and front-axle beam stretch formula connected mode in being, extensible canopy front end is hinged with face guard; Described rear extensible canopy and rear balance arm stretch formula connected mode in being; Described Fencing protection device forms closed gob-side entry retaining work space, comprises the secondary anti-spoil side plate of hydraulic support A, the base telescopic secondary anti-spoil side plate of hydraulic support A, the balance arm rear defence cash device of hydraulic support A and hydraulic support B, the anti-cash device of base rear portion telescopic secondary of hydraulic support A and hydraulic support B.
2. gob side entry retaining reverse-four-link-bar mechanism according to claim 1 support apparatus, it is characterized in that rear balance arm jack one end is fixed on base, one end is fixed on rear balance arm, and after in working height range, balance arm can flush with back timber, again can 45 °, the bottom.
3. gob side entry retaining reverse-four-link-bar mechanism according to claim 1 support apparatus, it is characterized in that a dismountable working platform is arranged at bottom, closed gob-side entry retaining work space, this platform is connected with base by two power bars and bearing pin with base rear portion.
4. gob side entry retaining reverse-four-link-bar mechanism according to claim 1 support apparatus, it is characterized in that the anti-spoil side plate of the secondary of hydraulic support A, be connected with rear balance arm side plate by linkage, form enclosure space with the anti-spoil side plate of the base telescopic secondary of hydraulic support A.
5. gob side entry retaining reverse-four-link-bar mechanism according to claim 1 support apparatus, it is characterized in that the balance arm rear defence cash device of hydraulic support A and hydraulic support B, be connected with rear extensible canopy by little four-bar linkage structure, can leveling supporting roof, can regain completely again, become 180 ° with rear extensible canopy, enclosure space can be formed with the anti-cash device of base rear portion telescopic secondary when rear waste rock board is recovered to 90 °.
6. gob side entry retaining reverse-four-link-bar mechanism according to claim 1 support apparatus, be is characterized in that base telescopic secondary anti-spoil side plate and the anti-cash device of base rear portion telescopic secondary of hydraulic support A, is controlled by jack, can regulate gear cash height.
7. gob side entry retaining reverse-four-link-bar mechanism according to claim 1 support apparatus, is characterized in that the base telescopic secondary anti-spoil side plate of hydraulic support A, hydraulic support A are be connected with base rear portion working platform with bearing pin by two power bars with the anti-cash device of hydraulic support B base rear portion telescopic secondary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210403165.4A CN102926781B (en) | 2012-10-22 | 2012-10-22 | The anti-linkage support apparatus of a kind of gob side entry retaining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210403165.4A CN102926781B (en) | 2012-10-22 | 2012-10-22 | The anti-linkage support apparatus of a kind of gob side entry retaining |
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| Publication Number | Publication Date |
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| CN102926781A CN102926781A (en) | 2013-02-13 |
| CN102926781B true CN102926781B (en) | 2016-03-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222934B (en) | 2015-06-24 | 2019-11-05 | 北京中矿创新联盟能源环境科学研究院 | Equipment system of roadway-free coal-pillar-free self-retained roadway mining method |
| CN105927255B (en) * | 2016-05-10 | 2017-12-15 | 中国矿业大学 | A kind of rock filling gob side entry retaining gangue stopping device |
| CN108374684A (en) * | 2018-05-10 | 2018-08-07 | 陕西陕煤黄陵矿业有限公司 | Fully-mechanized mining working faces end head abnormal shape support apparatus |
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| CN102269004A (en) * | 2011-01-26 | 2011-12-07 | 天地科技股份有限公司 | Coal mine cut and fill mining face timbering system |
| CN202381111U (en) * | 2012-05-02 | 2012-08-15 | 北京宇田世纪矿山设备有限公司 | Four-post-supported double pendulum rod hydraulic support |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094153A (en) * | 1976-10-15 | 1978-06-13 | Bochumer Eisenhutte Heintzmann Gmbh & Co. | Breast roof support system for longwall mining |
| CN2911186Y (en) * | 2006-06-30 | 2007-06-13 | 兖州煤业股份有限公司 | Conveying end support of integrated working surface |
| CN201125743Y (en) * | 2007-08-03 | 2008-10-01 | 四川华蓥山广能(集团)有限责任公司 | Sloped and high-sloped fully-mechanized mining hydraulic support side direction blocking apparatus |
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| CN102926781A (en) | 2013-02-13 |
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Owner name: SICHUAN COAL INDUSTRY GROUP CO., LTD. Effective date: 20150513 |
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Effective date of registration: 20150513 Address after: 100013 No. 5 Youth Road, Beijing, Chaoyang District Applicant after: Tiandi Science & Technology Co., Ltd. Applicant after: Sichuan Coal Industry Group Co., Ltd. Address before: 100013 No. 5 Youth Road, Beijing, Chaoyang District Applicant before: Tiandi Science & Technology Co., Ltd. |
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