ES476433A1 - Perfeccionamientos en mecanismos progresivos para entibacio-nes progresivas hidraulicas - Google Patents

Perfeccionamientos en mecanismos progresivos para entibacio-nes progresivas hidraulicas

Info

Publication number
ES476433A1
ES476433A1 ES476433A ES476433A ES476433A1 ES 476433 A1 ES476433 A1 ES 476433A1 ES 476433 A ES476433 A ES 476433A ES 476433 A ES476433 A ES 476433A ES 476433 A1 ES476433 A1 ES 476433A1
Authority
ES
Spain
Prior art keywords
roof support
advance
guide rods
advance mechanism
attached
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES476433A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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
Priority claimed from DE2758661A external-priority patent/DE2758661C2/de
Priority claimed from DE19772758663 external-priority patent/DE2758663C2/de
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES476433A1 publication Critical patent/ES476433A1/es
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0034—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face comprising a goaf shield articulated to a base member
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

Abstract

Perfeccionamientos en mecanismos progresivos para entibaciones progresivas hidraulicas, especialmente entibaciones de escudo o cabellete, que consta de por lo menos dos barras de guia elásticas que están unidas en sus extremos delanteros a través de una cabeza de barra o similar y son conectables a un contrafuerte de mecanismo progresivo, mientras que en sus extremos traseros están guiadas a través de una pieza de deslizamiento en guías, del deslizamiento de parte de traviesas de yacente de la entibación progresiva, estando conectado articuladamente por lo menos un cilindro hidráulico de progresión entre las barras guia y las partes de traviesa del yacente, caracterizados porque se dota a las barras guia de acodamientos dirigidos hacia lados opuestos, los cuales constituyen órganos de alineación para la partes de traviesa del yacente.
ES476433A 1977-12-29 1978-12-20 Perfeccionamientos en mecanismos progresivos para entibacio-nes progresivas hidraulicas Expired ES476433A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2758661A DE2758661C2 (de) 1977-12-29 1977-12-29 Rückvorrichtung für einen Strebförderer und ein diesem nachgeordnetes Ausbaugestell
DE19772758663 DE2758663C2 (de) 1977-12-29 1977-12-29 Schreitwerksanordnung für einen Schreitausbau der geneigten und steilen Lagerung

Publications (1)

Publication Number Publication Date
ES476433A1 true ES476433A1 (es) 1979-10-16

Family

ID=25773409

Family Applications (1)

Application Number Title Priority Date Filing Date
ES476433A Expired ES476433A1 (es) 1977-12-29 1978-12-20 Perfeccionamientos en mecanismos progresivos para entibacio-nes progresivas hidraulicas

Country Status (8)

Country Link
US (2) US4195953A (es)
JP (1) JPS5844840B2 (es)
AU (2) AU522137B2 (es)
ES (1) ES476433A1 (es)
FR (1) FR2413538A1 (es)
GB (2) GB2011515B (es)
PL (1) PL117335B1 (es)
SU (1) SU1135432A3 (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800619C2 (de) * 1978-01-07 1986-07-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitausbau mit einer Anschlußvorrichtung für einen der Abspannung einer Förder- und/oder Gewinnungsanlage dienenden Abspannzylinder
DE3001994A1 (de) * 1980-01-21 1981-07-30 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Strebausbau fuer die stark geneigte lagerung
DE3024216C2 (de) * 1980-06-27 1985-08-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Blockabspannung für eine rückbare Förder- und/oder Gewinnungsanlage
DE3024465A1 (de) * 1980-06-28 1982-01-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitender ausbau fuer untertaegige gewinnungsbetriebe, insbesondere schildausbau
DE8117087U1 (de) * 1981-06-10 1981-10-08 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Versteckbarer stangenkopf fuer die fuehrungsstangen einer steuer- und rueckeinrichtung
GB2143882B (en) * 1983-07-23 1986-11-05 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
GB8328281D0 (en) * 1983-10-22 1983-11-23 Dobson Park Ind Mine roof supports
US4571127A (en) * 1984-07-11 1986-02-18 Gewerkschaft Eisenhutte Westfalia Advance mechanism for mine roof support units
JPH05235071A (ja) * 1992-02-24 1993-09-10 Nec Kyushu Ltd 樹脂封止金型
CN102031985B (zh) * 2009-09-28 2012-09-05 三一重型装备有限公司 迈步自移式支架
CN102226410A (zh) * 2011-05-24 2011-10-26 中煤北京煤矿机械有限责任公司 液压支架推移机构及薄煤层液压支架
CN103670460B (zh) * 2013-12-04 2016-04-27 郑州煤矿机械集团股份有限公司 带有移后溜装置的放顶煤液压支架底座
CN106168139B (zh) * 2016-08-24 2018-05-22 天津华宁电子有限公司 一种液压支架无线位移检测和自动找直系统及方法
CN109838265B (zh) * 2019-03-18 2024-04-02 中国矿业大学 一种沿空留巷端头支架迁移时保护顶板托盘的装置
CN115822692B (zh) * 2022-11-25 2023-07-28 云南滇东雨汪能源有限公司 自动调移组件及综采支架安装定位组件
CN117090615B (zh) * 2023-10-16 2023-12-29 中核二十五建设有限公司 一种矿山施工用的支撑设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051783A (es) * 1900-01-01
US3328966A (en) * 1963-03-29 1967-07-04 Stamicarbon Movable face support for use in mines
FR1352649A (fr) * 1963-04-05 1964-02-14 Gullick Ltd Perfectionnements aux soutènements de mines
US3332246A (en) * 1963-12-02 1967-07-25 Stamicarbon Movable face support
FR1454740A (fr) * 1965-11-17 1966-02-11 Dowty Mining Equipment Ltd Dispositif de soutènement pour mines
DE1277789B (de) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulisch wanderndes Ausbaugestell
JPS4834641B1 (es) * 1967-07-19 1973-10-23
DE2319910B2 (de) * 1973-04-19 1977-07-21 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur niveausteuerung eines hobels o.dgl.
GB1472552A (en) * 1974-11-15 1977-05-04 Gullick Dobson Ltd Mine roof supports
DE2540048C2 (de) * 1975-09-09 1984-01-26 Klöckner-Werke AG, 4100 Duisburg Vorrichtung mit einem Rückzylinder für ein mit einem Strebförderer wanderndes Schildausbaugestell und mit einem Schubkolbengetriebe zum Anheben des Kohlenstoßseitigen Endes der Liegendschwelle während des Rückens

Also Published As

Publication number Publication date
GB2060043A (en) 1981-04-29
SU1135432A3 (ru) 1985-01-15
JPS5844840B2 (ja) 1983-10-05
PL117335B1 (en) 1981-07-31
GB2011515A (en) 1979-07-11
FR2413538A1 (fr) 1979-07-27
FR2413538B1 (es) 1983-02-11
JPS5496230A (en) 1979-07-30
US4195953A (en) 1980-04-01
AU4297678A (en) 1979-07-05
GB2060043B (en) 1982-08-25
GB2011515B (en) 1982-05-26
AU6242680A (en) 1981-03-19
PL212206A1 (pl) 1979-09-10
AU522137B2 (en) 1982-05-20
USRE31346E (en) 1983-08-16

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001009