ES464787A1 - Puntal movil de entibacion continua. - Google Patents
Puntal movil de entibacion continua.Info
- Publication number
- ES464787A1 ES464787A1 ES464787A ES464787A ES464787A1 ES 464787 A1 ES464787 A1 ES 464787A1 ES 464787 A ES464787 A ES 464787A ES 464787 A ES464787 A ES 464787A ES 464787 A1 ES464787 A1 ES 464787A1
- Authority
- ES
- Spain
- Prior art keywords
- arm
- cross members
- articulated
- roof support
- roof
- 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
- E21D23/08—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
-
- 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
- E21D23/0017—Pile type supports
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)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Jib Cranes (AREA)
- Tents Or Canopies (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Puntal móvil de entibación continuacapaz de desplazarse por medio de un mecanismocapaz de desplazarse por medio de un mecanismo que arrastre propioal mismo tiempo que asegura un servicio continuo bajo carga permanenteque incluyepor lo menosdos trineos paralelos constituidos de unasplacas de asientounidos entre sí por dos travesaños de conexiónpor lo menos un trineo constituido de un puente orientado paralelamente a los trineos que constituyen las placas de asientoy un gato de aplicación de presión mediante extensión que actúa por una fuerza de separación entre los travesaños de conexión de los trineos constitutivos de las placas de asiento y un soporte del trineo o de los trineos constitutivos del puente o de las puentes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7636769A FR2373669A2 (fr) | 1976-06-29 | 1976-12-07 | Pile mobile de soutenement continu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES464787A1 true ES464787A1 (es) | 1978-09-01 |
Family
ID=9180737
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES464787A Expired ES464787A1 (es) | 1976-12-07 | 1977-12-06 | Puntal movil de entibacion continua. |
| ES464786A Expired ES464786A1 (es) | 1976-12-07 | 1977-12-06 | Carro o trineo para el desplazamiento de un aparato, tal co-mo un puntal de entibacion. |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES464786A Expired ES464786A1 (es) | 1976-12-07 | 1977-12-06 | Carro o trineo para el desplazamiento de un aparato, tal co-mo un puntal de entibacion. |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4114385A (es) |
| JP (1) | JPS5387524A (es) |
| AT (1) | AT356044B (es) |
| AU (1) | AU512807B2 (es) |
| BE (1) | BE861469A (es) |
| CA (1) | CA1077730A (es) |
| DE (1) | DE2753059C2 (es) |
| ES (2) | ES464787A1 (es) |
| GB (1) | GB1572534A (es) |
| PL (1) | PL110238B1 (es) |
| YU (1) | YU287577A (es) |
| ZA (1) | ZA777090B (es) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2461094A1 (fr) * | 1979-07-06 | 1981-01-30 | Charbonnages De France | Portique de soutenement glissant |
| DE3543060C1 (de) * | 1985-12-05 | 1987-02-05 | Hemscheidt Maschf Hermann | Fahrbarer Unterstuetzungsaufbau |
| US9631491B2 (en) * | 2007-12-17 | 2017-04-25 | Hilary Leith Lumb | Apparatus for forming an underground tunnel |
| CN104948182B (zh) * | 2014-03-26 | 2018-01-16 | 沈阳开川科技有限公司 | 一种掘进机上的滑移式行走支护机构 |
| CN111622525B (zh) * | 2020-05-26 | 2022-02-01 | 中铁大桥科学研究院有限公司 | 一种薄壁高耸空心塔柱文物移位归安保护方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2899800A (en) * | 1959-08-18 | Apparatus for mine roof control | ||
| US2826898A (en) * | 1948-10-06 | 1958-03-18 | Joy Mfg Co | Apparatus for mine roof control |
| DE1030282B (de) * | 1954-03-04 | 1958-05-22 | Eisengiesserei A Beien | Rahmenartiges Ausbauglied, insbesondere fuer den Strebausbau |
| DE1139084B (de) * | 1960-07-13 | 1962-11-08 | Maschf | Fahrbares, rahmenartiges Strebausbauglied |
| FR2265971A1 (en) * | 1974-03-28 | 1975-10-24 | Bennes Marrel | Hydraulic prop for mine working - has arm between flexible base and head plate vertically adjusted by hydraulic cylinders |
| FR2287580A1 (fr) * | 1974-10-11 | 1976-05-07 | Bennes Marrel | Pile a fleche pour le soutenement, avec chapeau en porte a faux |
| DE2633799C2 (de) | 1976-07-28 | 1978-07-27 | Halbach & Braun, 5600 Wuppertal | Schreitender Schildausbau |
-
1977
- 1977-11-28 GB GB49426/77A patent/GB1572534A/en not_active Expired
- 1977-11-28 DE DE2753059A patent/DE2753059C2/de not_active Expired
- 1977-11-29 ZA ZA00777090A patent/ZA777090B/xx unknown
- 1977-12-01 AT AT861577A patent/AT356044B/de not_active IP Right Cessation
- 1977-12-02 BE BE6046246A patent/BE861469A/xx unknown
- 1977-12-05 CA CA292,434A patent/CA1077730A/fr not_active Expired
- 1977-12-06 PL PL1977202677A patent/PL110238B1/pl unknown
- 1977-12-06 ES ES464787A patent/ES464787A1/es not_active Expired
- 1977-12-06 ES ES464786A patent/ES464786A1/es not_active Expired
- 1977-12-06 JP JP14574277A patent/JPS5387524A/ja active Pending
- 1977-12-06 AU AU31271/77A patent/AU512807B2/en not_active Expired
- 1977-12-06 YU YU02875/77A patent/YU287577A/xx unknown
- 1977-12-06 US US05/858,064 patent/US4114385A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4114385A (en) | 1978-09-19 |
| YU287577A (en) | 1982-06-30 |
| PL110238B1 (en) | 1980-07-31 |
| ZA777090B (en) | 1978-09-27 |
| DE2753059A1 (de) | 1978-06-08 |
| GB1572534A (en) | 1980-07-30 |
| AU512807B2 (en) | 1980-10-30 |
| AU3127177A (en) | 1979-06-14 |
| JPS5387524A (en) | 1978-08-02 |
| CA1077730A (fr) | 1980-05-20 |
| BE861469A (fr) | 1978-06-02 |
| DE2753059C2 (de) | 1986-06-19 |
| ES464786A1 (es) | 1978-11-16 |
| ATA861577A (de) | 1979-09-15 |
| AT356044B (de) | 1980-04-10 |
| PL202677A1 (pl) | 1978-07-31 |
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