PL157802B1 - Roof supports with tiltable and extendable roof cap - Google Patents
Roof supports with tiltable and extendable roof capInfo
- Publication number
- PL157802B1 PL157802B1 PL27148488A PL27148488A PL157802B1 PL 157802 B1 PL157802 B1 PL 157802B1 PL 27148488 A PL27148488 A PL 27148488A PL 27148488 A PL27148488 A PL 27148488A PL 157802 B1 PL157802 B1 PL 157802B1
- Authority
- PL
- Poland
- Prior art keywords
- canopy
- cover
- wall
- extension
- roof
- Prior art date
Links
Landscapes
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
Description
RZECZPOSPOLITAREPUBLIC
POLSKAPOLAND
© OPIS PATENTOWY © PL © 157802 © BI© PATENT DESCRIPTION © PL © 157802 © BI
Numer zgłoszenia: 271484Application number: 271484
Urząd Patentowy Rzeczypospolitej PolskiejPatent Office of the Republic of Poland
Data zgłoszenia: 28.03.1988Date of notification: March 28, 1988
IntCl5:IntCl 5 :
E21D 17/04 E21D 23/06E21D 17/04 E21D 23/06
CZYTELDiA -CGQt I AREADING -CGQt AND A
Obudowa górnicza ze stropnicą wychylno-wysuwnąMining casing with a swing-out canopy
PL 157802 BIPL 157802 BI
57} 1· Obudowa górnicza ze stropnicą wychylnowysuwną, posiadająca spągnicę i osłonę odzawałową połączoną układem cięgieł oraz podpory hydrauliczne podtrzymujące stropnicę zasadniczą zaopatrzoną w stropnicę wychylno-wysuwną oraz umieszczoną przegubowo osłonę czoła ściany zamocowaną na końcu części wysuwnej, znamienna tym, że wewnątrz skrzynkowej konstrukcji stropnicy (6) wychylno-wysuwnej ma co najmniej jeden siłownik (11) wysuwu oraz co najmniej jeden siłownik (13) osłony (14) czoła ściany umieszczone względem siebie w różnych płaszczyznach, których krawędź przecięcia jest prostopadła do osi stropnic (5, 6), przy czym siłownik (13) osłony (14) czoła ściany zamocowany jest jednym końcem do dwóch równoległych ślizgów (16) przesuwających się w prowadnikach (15) umieszczonych wewnątrz stropnicy (6) wychylno-wysuwnej, tworzącej po złożeniu osłony (14) czoła ściany zamkniętą przestrzeń.57} 1 · Mining casing with a tilting and extending canopy, with a floor and caving cover connected with a system of rods and hydraulic supports supporting the main canopy provided with a tilting and extending canopy and an articulated cover of the face of the wall mounted at the end of the extendable part, characterized by the fact that inside the box structure of the canopy (6) the tilt-and-slide cylinder (11) has at least one extension cylinder (11) and at least one cylinder (13) of the cover (14) of the wall front placed in different planes, with the intersection edge perpendicular to the canopy axis (5, 6), whereby the actuator (13) of the cover (14) of the front face is fixed with one end to two parallel slides (16) sliding in the guides (15) located inside the tilt-and-slide canopy (6), forming a closed wall cover (14) after folding space.
OBUDOWA GÓRNICZA ZE STROPNICĄ UTYCHYLNO-WYSUWNĄMILLING HOUSING WITH TILT-RETRACTABLE SLEEVE
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL27148488A PL157802B1 (en) | 1988-03-28 | 1988-03-28 | Roof supports with tiltable and extendable roof cap |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL27148488A PL157802B1 (en) | 1988-03-28 | 1988-03-28 | Roof supports with tiltable and extendable roof cap |
Publications (2)
Publication Number | Publication Date |
---|---|
PL271484A1 PL271484A1 (en) | 1989-10-02 |
PL157802B1 true PL157802B1 (en) | 1992-07-31 |
Family
ID=20041316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL27148488A PL157802B1 (en) | 1988-03-28 | 1988-03-28 | Roof supports with tiltable and extendable roof cap |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL157802B1 (en) |
-
1988
- 1988-03-28 PL PL27148488A patent/PL157802B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL271484A1 (en) | 1989-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2019147690A (en) | Elevator car and method of moving workbench in elevator car | |
CN100537973C (en) | Working gantry | |
PL157802B1 (en) | Roof supports with tiltable and extendable roof cap | |
US3710894A (en) | Ladder platform attachment | |
US20190112831A1 (en) | Articulating Dwelling Frame | |
PL90458B1 (en) | ||
GB2043142A (en) | Safety barrier | |
PL90941B1 (en) | ||
NZ196578A (en) | Interior fittings for folding caravan | |
CN100572738C (en) | Wave-shape extendible door | |
PL162249B1 (en) | Self-advancing roof supports | |
RU2034990C1 (en) | Roofing of powered timber section | |
US3659656A (en) | Arrangement for slide-tracking of a boring machine in mines with a limited profile | |
PL163436B1 (en) | Open-end/shortwall self-advancing roof support for protecting the roof and side wall in highly inclined foreheads of hard coal deposits | |
PL167764B1 (en) | Position correcting device in particular for roof support cap pieces | |
PL152597B1 (en) | Mechanized mining lining system,especially for operation at dips | |
PL149963B1 (en) | Hydraulic self-advancing roof supports | |
SU1259026A1 (en) | Power support for drifts | |
PL153161B1 (en) | The shield of the face of mechanized wall of mining shaft lining | |
SU1606703A1 (en) | Power support | |
PL76221B1 (en) | ||
SU1459612A3 (en) | Extensible multihousing beehive | |
PL159943B1 (en) | Roof-bar of a deflection and extension lining | |
RU2065970C1 (en) | Mechanized support section | |
PL146730B1 (en) | Roof support in particular for crossings of longwalls with headings |