PL267707A1 - Mining apparatus guided on hydraulic units of self-advancing supports - Google Patents

Mining apparatus guided on hydraulic units of self-advancing supports

Info

Publication number
PL267707A1
PL267707A1 PL26770787A PL26770787A PL267707A1 PL 267707 A1 PL267707 A1 PL 267707A1 PL 26770787 A PL26770787 A PL 26770787A PL 26770787 A PL26770787 A PL 26770787A PL 267707 A1 PL267707 A1 PL 267707A1
Authority
PL
Poland
Prior art keywords
self
hydraulic units
mining apparatus
apparatus guided
advancing supports
Prior art date
Application number
PL26770787A
Other versions
PL155319B1 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of PL267707A1 publication Critical patent/PL267707A1/en
Publication of PL155319B1 publication Critical patent/PL155319B1/en

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
    • E21D23/0004—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
    • E21D23/0039—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 and supported by a strut or by a row of struts parallel to the working face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/56—Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face, e.g. by a conveyor or by a guide parallel to a conveyor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/02—Machines which completely free the mineral from the seam solely by slitting

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)
  • Mechanical Engineering (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Sawing (AREA)
  • Knives (AREA)
  • Earth Drilling (AREA)
PL26770787A 1986-09-13 1987-09-11 Mining apparatus beeing guided in units of a hydraulic self-advancing roof support system PL155319B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863631266 DE3631266A1 (en) 1986-09-13 1986-09-13 Winning apparatus guided on hydraulic self-advancing support assemblies

Publications (2)

Publication Number Publication Date
PL267707A1 true PL267707A1 (en) 1988-08-04
PL155319B1 PL155319B1 (en) 1991-11-29

Family

ID=6309568

Family Applications (1)

Application Number Title Priority Date Filing Date
PL26770787A PL155319B1 (en) 1986-09-13 1987-09-11 Mining apparatus beeing guided in units of a hydraulic self-advancing roof support system

Country Status (5)

Country Link
CN (1) CN1008288B (en)
DE (1) DE3631266A1 (en)
FR (1) FR2603943A1 (en)
PL (1) PL155319B1 (en)
SU (1) SU1538905A3 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU693027A1 (en) * 1976-10-12 1979-10-25 Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" Front-end roof support units
AU518823B2 (en) * 1977-11-11 1981-10-22 Coal Industry (Patents) Limited Mineral cutting chain guide and drive
DE3511275C1 (en) * 1985-03-28 1986-06-19 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Hydraulic self-advancing support assembly

Also Published As

Publication number Publication date
FR2603943A1 (en) 1988-03-18
CN87106278A (en) 1988-05-04
CN1008288B (en) 1990-06-06
DE3631266A1 (en) 1988-03-24
DE3631266C2 (en) 1988-07-21
PL155319B1 (en) 1991-11-29
SU1538905A3 (en) 1990-01-23

Similar Documents

Publication Publication Date Title
ZW12387A1 (en) Mining method
GB8701249D0 (en) Mine haulage method
GB8701008D0 (en) Mining process
PL267707A1 (en) Mining apparatus guided on hydraulic units of self-advancing supports
GB2190963B (en) Hydraulic mining prop
GB2193522B (en) Support unit for underground coalface support structure
ZW582A1 (en) Mine support prop
GB2196673B (en) Mining apparatus
GB2190940B (en) Mineral mining apparatus
GB8623663D0 (en) Hydraulic apparatus
ZA877215B (en) Mine prop
GB8806646D0 (en) Lemniscate mining supports
ZA852380B (en) Mine prop
PL256103A1 (en) Hydraulic mining method and apparatus
GB8428998D0 (en) Mining apparatus
GB8729384D0 (en) Drilling apparatus for mine workings &c
ZA867315B (en) Mine prop extension system
PL269214A1 (en) Self-advancing roof supports hydraulic system
GB8624428D0 (en) Mining apparatus
ZA874756B (en) Mining method
PL274538A1 (en) Hydraulic system of self-advancing roof supports
ZA879109B (en) Mining props
ZA867432B (en) Mine prop
PL251629A1 (en) Hydraulic self-advancing roof supports
PL265737A1 (en) Self-advancing suspended roof supports