ES534311A0 - Perfeccionamientos en un mecanismo de progresion exterior para bastidores hidraulicos de entibacion - Google Patents

Perfeccionamientos en un mecanismo de progresion exterior para bastidores hidraulicos de entibacion

Info

Publication number
ES534311A0
ES534311A0 ES534311A ES534311A ES534311A0 ES 534311 A0 ES534311 A0 ES 534311A0 ES 534311 A ES534311 A ES 534311A ES 534311 A ES534311 A ES 534311A ES 534311 A0 ES534311 A0 ES 534311A0
Authority
ES
Spain
Prior art keywords
flooring
frames
hydraulic
external
progression mechanism
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.)
Granted
Application number
ES534311A
Other languages
English (en)
Other versions
ES8504323A1 (es
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
Application filed by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of ES8504323A1 publication Critical patent/ES8504323A1/es
Publication of ES534311A0 publication Critical patent/ES534311A0/es
Granted 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
    • E21D23/04—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
    • 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
    • E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction
ES534311A 1983-07-16 1984-07-13 Perfeccionamientos en un mecanismo de progresion exterior para bastidores hidraulicos de entibacion Granted ES534311A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833325795 DE3325795A1 (de) 1983-07-16 1983-07-16 Aussenliegendes schreitwerk fuer hydraulische ausbaugestelle

Publications (2)

Publication Number Publication Date
ES8504323A1 ES8504323A1 (es) 1985-04-01
ES534311A0 true ES534311A0 (es) 1985-04-01

Family

ID=6204221

Family Applications (1)

Application Number Title Priority Date Filing Date
ES534311A Granted ES534311A0 (es) 1983-07-16 1984-07-13 Perfeccionamientos en un mecanismo de progresion exterior para bastidores hidraulicos de entibacion

Country Status (5)

Country Link
BE (1) BE900142A (es)
CS (1) CS269960B2 (es)
DE (1) DE3325795A1 (es)
ES (1) ES534311A0 (es)
SU (1) SU1311628A3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD299446A5 (de) * 1989-05-11 1992-04-16 ��������@��@����������@��@��@����������@���������k�� Mobile abbau kammerabstuetzvorrichtung
CN103711505B (zh) * 2013-12-17 2017-05-31 枣庄矿业(集团)有限责任公司物流中心 薄煤层液压支架操纵阀组位置调节装置
CN106050284A (zh) * 2016-07-15 2016-10-26 山东兖煤黑豹矿业装备有限公司 平行作业式快速掘进支护系统及构建方法
CN109458205B (zh) * 2018-11-05 2020-05-12 郑州煤机液压电控有限公司 液压支架精确推溜的控制方法
CN110107329B (zh) * 2019-06-26 2024-03-08 三一重型装备有限公司 抬底机构和液压支架
CN112282816B (zh) * 2020-10-28 2022-08-12 贵州理工学院 一种可以快速部署的巷道支护装置
CN113586105B (zh) * 2021-08-23 2022-08-16 中国矿业大学(北京) 自移式变胞结构的端头液压支架及移架方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758663C2 (de) * 1977-12-29 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerksanordnung für einen Schreitausbau der geneigten und steilen Lagerung
DE2940401A1 (de) * 1979-10-05 1981-04-16 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk fuer einen schreitausbau, insbesondere einen schild- oder bockausbau u.dgl.

Also Published As

Publication number Publication date
CS524784A2 (en) 1989-10-13
BE900142A (fr) 1984-11-05
ES8504323A1 (es) 1985-04-01
DE3325795C2 (es) 1991-11-14
CS269960B2 (en) 1990-05-14
DE3325795A1 (de) 1985-01-24
SU1311628A3 (ru) 1987-05-15

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20041004