WO2014139195A1 - Support hydraulique hyperstatique à poutre supérieure global - Google Patents

Support hydraulique hyperstatique à poutre supérieure global Download PDF

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Publication number
WO2014139195A1
WO2014139195A1 PCT/CN2013/074442 CN2013074442W WO2014139195A1 WO 2014139195 A1 WO2014139195 A1 WO 2014139195A1 CN 2013074442 W CN2013074442 W CN 2013074442W WO 2014139195 A1 WO2014139195 A1 WO 2014139195A1
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WO
WIPO (PCT)
Prior art keywords
top beam
hinged
base
hydraulic
telescopic
Prior art date
Application number
PCT/CN2013/074442
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English (en)
Chinese (zh)
Inventor
李炳文
王建武
洪建云
刘敏
Original Assignee
中国矿业大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中国矿业大学 filed Critical 中国矿业大学
Publication of WO2014139195A1 publication Critical patent/WO2014139195A1/fr

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Classifications

    • 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor

Definitions

  • the invention relates to an integral top beam statically indeterminate hydraulic support, which is especially suitable for roof support of coal mining face under coal mine, and is also suitable for other occasions requiring support.
  • Mine support equipment is one of the essential equipment in coal mines.
  • the supporting equipment used in the coal mine mainly has a four-bar linkage hydraulic support, also called a four-link hydraulic support.
  • the upper and lower movement trajectory of the four-link hydraulic support top beam is a double-line.
  • the four-link hydraulic support started in the 1950s. In the 1960s, the technology entered a mature stage, and in the late 1970s, it began to introduce China's coal industry.
  • the four-link hydraulic support must be designed and manufactured one-to-one, it brings great difficulties to modularization, standardization, serialization and integrated production, and it is impossible to carry out large-scale production of parts, not to It is possible to perform an integrated assembly. Therefore, based on the existing four-link hydraulic support, changing the technical principle and technical structure of the existing hydraulic support has important practical and historical significance.
  • the object of the present invention is to provide an overall top beam statically indeterminate hydraulic support with compact structure, reduced miner labor intensity, improved miner safety, reduced production cost, easy promotion and support effect.
  • the integral top beam static static fixed hydraulic support of the invention comprises a hydraulic control valve group and a pushing device, and the sliding device side is connected with the scraper conveyor, and the other side of the pushing device is provided with a base, and the base is provided with a top beam, the base and the base There are 8 hydraulic columns arranged in a cross-symmetry between the top beams.
  • the rear part of the base is provided with a raised frame.
  • the front end of the top beam is provided with a telescopic beam. Under the top beam, there is a telescopic beam jack connected to the telescopic beam. The telescopic beam is provided.
  • the two ends of the jack are respectively hinged with the telescopic beam and the top beam; the telescopic beam is hinged with a guard panel, and the guard panel is provided with a guard panel jack for swinging, and the guard panel jack is respectively hingedly connected with the guard panel and the telescopic beam
  • the tail beam of the top beam is hinged with a tail beam, the lower end of the tail beam is hinged with the upper end of the connecting plate, and the lower end of the connecting plate is hinged with the elevated frame;
  • the base is provided with a bridge, and the bridge is installed with hydraulic control The manifold bracket of the valve block.
  • the top beam, the telescopic beam, the guard plate, the tail beam, the connecting plate, the base and the elevated frame are all welded by steel plates or profiles;
  • the hydraulic control valve group is controlled by a set of manually operated valves or electro-hydraulic remote control
  • the valve, the one-way valve, the pipe member and the seal are composed;
  • the guard plate is a retractable guard plate.
  • the overall top beam static static fixed hydraulic support of the invention has a moving track of the upper and lower top beams of the whole top beam, which can realize modular design, serialized, standardized production and integrated assembly, and the maximum height hydraulic support in the module can cover a small height.
  • the hydraulic support reduces the intermediate links, improves production efficiency, reduces production costs, and enables rapid promotion of hydraulic supports.
  • several modules are set up. Each module is designed with several hydraulic brackets with the same working resistance but different heights, and the height specifications conform to the serialization standard.
  • the principle of covering the lower height bracket with the highest bracket, the maximum height specification The trial production system, the sample rack inspection, the safety standard forensics work, the smaller size brackets are covered, the intermediate production links are reduced, and the production cycle is shortened.
  • the main advantages are:
  • the overall top beam static static fixed hydraulic support of the invention can realize serialized and standardized production, and the parts are made into standard parts, and according to the coal seam condition, the standard series of different height specifications can be formed, and which kind of specification is required for the coal mine.
  • the overall top beam static static fixed hydraulic support of the invention can realize large-scale production, and each component can form a production line to realize large-scale rapid and effective production, and achieve the purpose of satisfying the large-scale promotion of the hydraulic support of the coal mine;
  • the overall top beam static static fixed hydraulic support of the invention can be applied to the fully mechanized mining working face, and can also be used for the blasting working face, and has the advantages of simple structure, good stability, convenient and reliable use, and wide practicality.
  • FIG. 1 is a front view showing the structure of the present invention.
  • Figure 2 is a side elevational view of the present invention.
  • base-1 eight hydraulic columns-2, elevated frame-3, connecting plate-4, tail beam-5, top beam-6, telescopic beam jack-7, guard panel jack-8, telescopic beam —9, guard plate—10, shifting device-11, scraper conveyor-12, hydraulic control valve group-13, valve block bracket—14, base slide plate—15, top beam slide plate—16, positioning retaining ring—17 , crossing the bridge - 18.
  • the overall top beam statically indeterminate hydraulic support of the present invention mainly comprises a base 1, eight hydraulic columns 2, a raised frame 3, a connecting plate 4, a tail beam 5, a top beam 6, and a telescopic beam jack 7.
  • the utility model comprises a jack 8 , a telescopic beam 9 , a guard plate 10 , a pushing device 11 , a hydraulic control valve group 13 , a valve block bracket 14 , a base sliding plate 15 , a top beam sliding plate 16 , a positioning retaining ring 17 , a bridge 18 , and the like.
  • the scraper conveyor 12 is connected to the side of the shifting device 11.
  • the top beam 6, the telescopic beam 9, the brace 10, the tail beam 5, the connecting plate 4, the base 1, the bridge 18, and the elevated frame 3 are welded by steel plates or profiles.
  • the hydraulic control valve group 13 is composed of a set of manually operated valves or electro-hydraulic remote control valves, check valves, pipe fittings and seals.
  • the hydraulic control valve block 13 is a control center for each action of the bracket, and can be manually operated or electro-hydraulic. remote control.
  • the eight hydraulic columns 2 are arranged in a cross-symmetry between the top beam 6 and the base 1.
  • the upper ends of the eight hydraulic columns 2 are hinged to the top beam 6, and the lower end is hinged to the base 1, and the top beam 6 is A telescopic beam 9 is arranged, and a telescopic beam jack 7 connected to the telescopic beam 9 is arranged under the top beam 6.
  • the telescopic beam 9 is telescoped with the expansion and contraction of the telescopic beam jack 7, and the two ends of the telescopic beam jack 7 are respectively connected with the telescopic beam 9 and the top beam 6 hinged; the eight hydraulic column 2 and the top beam 6 and the base 1 are connected with a positioning retaining ring 17 .
  • a protective panel 10 is disposed under the telescopic beam 9.
  • the protective panel 10 is a first-grade telescopic or secondary telescopic protective panel, and the lower panel is not provided with a protective panel 10.
  • the guard panel 10 is provided with a guard panel jack 8 for swinging, and the guard panel jacks 8 are respectively hinged with the guard panel 10 and the telescopic beam 9; the upper end of the tail boom 5 is hinged to the top beam 6 and the lower end is connected
  • the upper end of the plate 4 is hinged, the lower end of the connecting plate 4 is hinged with the elevated frame 3, the elevated frame 3 is fixed on the base 1, and the fixed connecting portion is provided with a positioning retaining ring 17.
  • the base 1 is welded with a bridge 18, and the bridge 18 is provided with a valve block bracket 14 mounted with a hydraulic control valve group 1; the shifting device 11 is disposed in the base 1 and its two ends are respectively connected with the base 1 It is hinged to the scraper conveyor 12 in the coal mining face.
  • the eight hydraulic columns 2 are telescoped, the top beam 6, the tail beam 5, and the like are lifted and lowered, and the tail beam 5 is also swung around the hinge axis of the top beam 6, and the connecting plate 4 is then hinged around the lifting frame 3.
  • the shaft swings, the tail beam 5 and the connecting plate 4 also swing relative to each other about the hinge axis thereof; the telescopic beam 9 is arranged in the top beam 6, and the two ends of the telescopic beam jack 7 are respectively hinged with the top beam 6 and the telescopic beam 9, and the telescopic beam 9
  • the telescopic beam jack 7 is moved in and out;
  • the pushing device 11 is a member for pushing the scraper conveyor 12 and the moving hydraulic support, which are respectively hinged with the base 1 and the scraper conveyor 12;
  • the hydraulic control valve group 13 is operated and
  • the control center for controlling the high-pressure liquid, the eight hydraulic column 2 on the bracket, the telescopic beam jack 7, the guard jack 8 and the pushing device 11 are all controlled by the hydraulic control valve group 13, and the hydraulic control valve group 13 passes through the valve group.
  • the bracket 14 is mounted on the bridge 18, and the bridge 18 is welded integrally with the base 1 to integrally form an integral top beam statically indeterminate hydraulic support structure.
  • the bracket When the bracket is lifted, by operating the hydraulic control valve group 13, the high pressure liquid enters the large cavity of the eight hydraulic columns 2, the top beam 6 and the tail beam 5 rise, the telescopic beam 9, the telescopic beam jack 7, the guard plate 10, the guard The jack 8 is then raised, the tail boom 5 is rotated about the hinge axis of the top beam 6, and the tail boom 5 and the web 4 are relatively swung about their hinge axis, and the web 4 is raised and swung around the hinge axis on the elevated rack 3. .
  • the bracket When the bracket is lowered, by operating the hydraulic control valve group 13, the high pressure liquid enters the small cavity of the eight hydraulic columns 2, the top beam 6 and the tail beam 5 descend, the telescopic beam 9, the telescopic beam jack 7, the guard plate 10, the guard The plate jack 8 is then lowered, the tail boom 5 is rotated about the hinge axis of the top beam 6, and the tail beam 5 and the web 4 are relatively swung about their hinge axes, and the web 4 is lowered and rotated about the hinge axis of the elevating frame 3.
  • the completion of the four movements of the bracket is completed by operating the hydraulic control valve group 13.
  • the sequence of motion of the bracket is determined according to the situation of the working surface, and the brackets perform four actions of lifting, lowering, pushing, and shifting once.
  • the bracket completes a work cycle.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

L'invention porte sur un support hydraulique hyperstatique à poutre supérieure global, lequel support comprend principalement une poutre supérieure, une base, huit colonnes hydrauliques, une poutre d'extension, une plaque de protection, une poutre de queue, une plaque de liaison, un bâti de soulèvement, un groupe de vannes de commande hydrauliques et un dispositif de poussée. Les huit colonnes hydrauliques sont disposées de façon symétrique entre la poutre supérieure et la base selon un mode croisé réticulé, des extrémités supérieures des colonnes hydrauliques étant articulées avec la poutre supérieure, et des extrémités inférieures des colonnes hydrauliques étant articulées avec la base; la poutre d'extension est disposée dans la poutre supérieure; la plaque de protection est articulée avec la poutre d'extension; une extrémité supérieure de la poutre de queue est articulée avec la poutre supérieure, une extrémité inférieure de la poutre de queue est articulée avec une extrémité supérieure de la plaque de liaison, une extrémité inférieure de la plaque de liaison est articulée avec le bâti de soulèvement, et le bâti de soulèvement est soudé à la base d'un seul tenant; le groupe de vannes de commande hydraulique est monté sur un pont d'espacement par un support, et le pont d'espacement est soudé à la base d'un seul tenant; et une extrémité avant et une extrémité arrière du dispositif de poussée sont articulées avec la base et un transporteur à raclettes, respectivement. Le support hydraulique hyperstatique à poutre supérieure peut être utilisé pour une face de travail de mine totalement mécanisée, et peut également être utilisé pour une face de travail avec des éclatements de roche relativement fréquents; il obtient une configuration modulaire et une standardisation, et une production en série; et il a une structure et un processus simples, une bonne stabilité, une sécurité et une fiabilité d'utilisation et une large utilisation pratique.
PCT/CN2013/074442 2013-03-15 2013-04-19 Support hydraulique hyperstatique à poutre supérieure global WO2014139195A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2013100824647A CN103147779A (zh) 2013-03-15 2013-03-15 整体顶梁超静定液压支架
CN201310082464.7 2013-03-15

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WO2014139195A1 true WO2014139195A1 (fr) 2014-09-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958452A (zh) * 2017-05-18 2017-07-18 安徽恒源煤电股份有限公司 整体顶梁式悬移支架用抵车座

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107152297A (zh) * 2016-03-02 2017-09-12 徐州神安矿山机械科技有限公司 一种浮摇式液压支架

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JPS5944498A (ja) * 1982-09-03 1984-03-12 株式会社三井三池製作所 長壁式急傾斜切羽用自走枠装置
DE19528378C1 (de) * 1995-08-02 1996-11-28 Dbt Gmbh Hydraulisches Schildausbaugestell
GB2329428A (en) * 1997-09-20 1999-03-24 Joy Mining Machinery Limited Improvements in and relating to a hydraulic control system
PL181288B1 (pl) * 1996-07-05 2001-07-31 Katowicki Holding Weglowy Sa Obudowa ściany podsadzkowej i sposób obudowy ściany podsadzkowej
CN201310370Y (zh) * 2008-12-16 2009-09-16 郑州煤矿机械集团有限责任公司 大采高掩护式液压支架
CN101333930B (zh) * 2008-07-31 2010-06-23 中国矿业大学 双叉型超静定液压支架
CN201588645U (zh) * 2010-01-12 2010-09-22 开滦(集团)有限责任公司钱家营矿业分公司 一种适用于小型巷道的高端液压支架
CN102704977A (zh) * 2012-07-09 2012-10-03 中国矿业大学 通用型超静定液压支架
CN202768036U (zh) * 2012-07-09 2013-03-06 中国矿业大学 通用型超静定液压支架
CN203145981U (zh) * 2013-03-15 2013-08-21 中国矿业大学 整体顶梁超静定液压支架

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CN201025052Y (zh) * 2007-03-30 2008-02-20 焦作神华重型机械制造有限公司 带前掩护组合顶梁液压支架
CN201232562Y (zh) * 2008-07-31 2009-05-06 中国矿业大学 双叉型超静定液压支架
CN201232561Y (zh) * 2008-07-31 2009-05-06 中国矿业大学 双层双叉型超静定液压支架

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5944498A (ja) * 1982-09-03 1984-03-12 株式会社三井三池製作所 長壁式急傾斜切羽用自走枠装置
DE19528378C1 (de) * 1995-08-02 1996-11-28 Dbt Gmbh Hydraulisches Schildausbaugestell
PL181288B1 (pl) * 1996-07-05 2001-07-31 Katowicki Holding Weglowy Sa Obudowa ściany podsadzkowej i sposób obudowy ściany podsadzkowej
GB2329428A (en) * 1997-09-20 1999-03-24 Joy Mining Machinery Limited Improvements in and relating to a hydraulic control system
CN101333930B (zh) * 2008-07-31 2010-06-23 中国矿业大学 双叉型超静定液压支架
CN201310370Y (zh) * 2008-12-16 2009-09-16 郑州煤矿机械集团有限责任公司 大采高掩护式液压支架
CN201588645U (zh) * 2010-01-12 2010-09-22 开滦(集团)有限责任公司钱家营矿业分公司 一种适用于小型巷道的高端液压支架
CN102704977A (zh) * 2012-07-09 2012-10-03 中国矿业大学 通用型超静定液压支架
CN202768036U (zh) * 2012-07-09 2013-03-06 中国矿业大学 通用型超静定液压支架
CN203145981U (zh) * 2013-03-15 2013-08-21 中国矿业大学 整体顶梁超静定液压支架

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958452A (zh) * 2017-05-18 2017-07-18 安徽恒源煤电股份有限公司 整体顶梁式悬移支架用抵车座

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