RU2011112083A - HYDRAULIC JACK OF MINE MECHANIZED FASTENERS - Google Patents
HYDRAULIC JACK OF MINE MECHANIZED FASTENERS Download PDFInfo
- Publication number
- RU2011112083A RU2011112083A RU2011112083/03A RU2011112083A RU2011112083A RU 2011112083 A RU2011112083 A RU 2011112083A RU 2011112083/03 A RU2011112083/03 A RU 2011112083/03A RU 2011112083 A RU2011112083 A RU 2011112083A RU 2011112083 A RU2011112083 A RU 2011112083A
- Authority
- RU
- Russia
- Prior art keywords
- hydraulic jack
- rod
- cylinder
- mine mechanized
- mechanized fasteners
- Prior art date
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- Actuator (AREA)
Abstract
Гидродомкрат шахтной механизированной крепи, содержащий шток, поршень, цилиндр, крепящие и уплотнительные элементы, отличающийся тем, что шток со стороны поршневой полости снабжен золотниковым предохранительным клапаном, который в конце хода штока своим золотником контактирует с донной частью цилиндра гидродомкрата. A hydraulic jack of a shaft mechanized lining, comprising a rod, piston, cylinder, fastening and sealing elements, characterized in that the rod on the side of the piston cavity is equipped with a spool safety valve, which at the end of the stroke of the rod contacts the bottom of the cylinder of the hydraulic jack.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2011112083/03A RU2011112083A (en) | 2011-03-31 | 2011-03-31 | HYDRAULIC JACK OF MINE MECHANIZED FASTENERS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2011112083/03A RU2011112083A (en) | 2011-03-31 | 2011-03-31 | HYDRAULIC JACK OF MINE MECHANIZED FASTENERS |
Publications (1)
Publication Number | Publication Date |
---|---|
RU2011112083A true RU2011112083A (en) | 2012-10-10 |
Family
ID=47079046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2011112083/03A RU2011112083A (en) | 2011-03-31 | 2011-03-31 | HYDRAULIC JACK OF MINE MECHANIZED FASTENERS |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2011112083A (en) |
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2011
- 2011-03-31 RU RU2011112083/03A patent/RU2011112083A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20121009 |