GB2062736B - Movable mine roof supports - Google Patents
Movable mine roof supportsInfo
- Publication number
- GB2062736B GB2062736B GB8033245A GB8033245A GB2062736B GB 2062736 B GB2062736 B GB 2062736B GB 8033245 A GB8033245 A GB 8033245A GB 8033245 A GB8033245 A GB 8033245A GB 2062736 B GB2062736 B GB 2062736B
- Authority
- GB
- United Kingdom
- Prior art keywords
- mine roof
- roof supports
- movable mine
- movable
- supports
- 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
Links
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
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
-
- 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
- E21D23/0004—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 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
- E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8033245A GB2062736B (en) | 1979-11-09 | 1980-10-15 | Movable mine roof supports |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7938882 | 1979-11-09 | ||
GB8033245A GB2062736B (en) | 1979-11-09 | 1980-10-15 | Movable mine roof supports |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2062736A GB2062736A (en) | 1981-05-28 |
GB2062736B true GB2062736B (en) | 1983-05-18 |
Family
ID=26273492
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8033245A Expired GB2062736B (en) | 1979-11-09 | 1980-10-15 | Movable mine roof supports |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2062736B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109236290A (en) * | 2018-10-10 | 2019-01-18 | 山东东山王楼煤矿有限公司 | It is a kind of to move frame with machine automatically |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2002951570A0 (en) * | 2002-09-23 | 2002-10-03 | Lumb, Hilary Leith | Mine tunnel support apparatus |
AU2007249061A1 (en) * | 2002-09-23 | 2008-01-10 | Lumb, Hilary Leith | An apparatus for supporting a tunnel |
CN110130965B (en) * | 2019-06-13 | 2021-03-02 | 河南理工大学 | Advanced support bracket for comprehensive mechanized excavation and use method |
CN113137260A (en) * | 2021-04-27 | 2021-07-20 | 福建省亿方建设工程有限公司 | Weak surrounding rock tunnel steel frame supporting structure and construction method thereof |
-
1980
- 1980-10-15 GB GB8033245A patent/GB2062736B/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109236290A (en) * | 2018-10-10 | 2019-01-18 | 山东东山王楼煤矿有限公司 | It is a kind of to move frame with machine automatically |
Also Published As
Publication number | Publication date |
---|---|
GB2062736A (en) | 1981-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |