SU529292A1 - Shahtna mechanized roof - Google Patents
Shahtna mechanized roofInfo
- Publication number
- SU529292A1 SU529292A1 SU1998959A SU1998959A SU529292A1 SU 529292 A1 SU529292 A1 SU 529292A1 SU 1998959 A SU1998959 A SU 1998959A SU 1998959 A SU1998959 A SU 1998959A SU 529292 A1 SU529292 A1 SU 529292A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- shahtna
- mechanized roof
- base beams
- beams
- moved
- Prior art date
Links
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Description
(54) ШАХТНАЯ МЕХАНИЗИРОВАННАЯ КРЕПЬ(54) MINE MECHANIZED STRIP
ющими 4 с помощью гидродомкратов 11. В момент передвижки базовых балок основани 9 и перекрыти 8 секций крепи расперты между боковыми породами гидростойками 10 с рабочим сопротивлением , а базовые балки и направл ющие расперты соответственно гидростойками 3 и 5 с активным подпором, величина которого значительно меньше величи1Л 1 рабочего сопротивлени секдай крепи. Ограждение 12 и 13 в этот момент также расперто гидростойками 14 и остаетс неподвижным. После передвижки базовых балок осуществл етс передвижка секций крепи по фронтально-групповой схеме, т.е. по мере передвижки базовых балок разгружаютс и передвигаютс очередные наиболее удаленные от них секпии крепи до упора в базовые балки.4 using hydraulic jacks 11. At the time of moving the base base beams 9 and overlapping 8 sections, the supports are unstressed between the side rocks by hydraulic supports 10 with working resistance, and the basic beams and guides are opened by respectively hydraulic supports 3 and 5 with active support, the value of which is significantly less 1 working resistance sekday lining. The barrier 12 and 13 at this moment is also uncovered by the hydraulic legs 14 and remains motionless. After the base beams have been moved, the support sections are moved along the frontal-group pattern, i.e. as the base beams are moved, the next most distant sections of the beams are unloaded and moved up to the stop in the base beams.
1one
Ограждение 12 и 13 передвигают фронтально через определенное рассто ние, равное шагу закладки . При этом распор с гидростоек 14 снимаетс и ограждение подт гивают силовыми домкратами 15 до упора в направл ющие.The fence 12 and 13 are moved frontally through a certain distance equal to the pitch of the laying. At the same time, the thrust of the girder 14 is removed and the fence is pulled by the power jacks 15 against the stop into the guides.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1998959A SU529292A1 (en) | 1974-02-22 | 1974-02-22 | Shahtna mechanized roof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1998959A SU529292A1 (en) | 1974-02-22 | 1974-02-22 | Shahtna mechanized roof |
Publications (1)
Publication Number | Publication Date |
---|---|
SU529292A1 true SU529292A1 (en) | 1976-09-25 |
Family
ID=20576679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1998959A SU529292A1 (en) | 1974-02-22 | 1974-02-22 | Shahtna mechanized roof |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU529292A1 (en) |
-
1974
- 1974-02-22 SU SU1998959A patent/SU529292A1/en active
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