FR2257775A1 - Self advancing roof support with stowing screen - has screen fastened to separately advancing props with retractable ends - Google Patents

Self advancing roof support with stowing screen - has screen fastened to separately advancing props with retractable ends

Info

Publication number
FR2257775A1
FR2257775A1 FR7415980A FR7415980A FR2257775A1 FR 2257775 A1 FR2257775 A1 FR 2257775A1 FR 7415980 A FR7415980 A FR 7415980A FR 7415980 A FR7415980 A FR 7415980A FR 2257775 A1 FR2257775 A1 FR 2257775A1
Authority
FR
France
Prior art keywords
screen
stowing
props
advancing
fastened
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.)
Granted
Application number
FR7415980A
Other languages
French (fr)
Other versions
FR2257775B3 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gewerkschaft Eisenhutte Westfalia GmbH
Original Assignee
Gewerkschaft Eisenhutte Westfalia GmbH
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 by Gewerkschaft Eisenhutte Westfalia GmbH filed Critical Gewerkschaft Eisenhutte Westfalia GmbH
Publication of FR2257775A1 publication Critical patent/FR2257775A1/en
Application granted granted Critical
Publication of FR2257775B3 publication Critical patent/FR2257775B3/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/0013—Frame type supports
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0481—Supports specially adapted for use in combination with the placing of filling-up materials
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F15/00—Methods or devices for placing filling-up materials in underground workings
    • E21F15/02—Supporting means, e.g. shuttering, for filling-up materials

Abstract

Self advancing roof support in mines with stowing screen is especially for thick means with hydraulic stowing. The apparatus includes hydraulic props at the rear of the support with a retractable floor and roof end to which the stowing screen is fastened. The props are guided in direction of advance by tubular telescopic guides and they are moved in the direction of advance by a hydraulic cylinder mounted on the support. The props are fastened to the support by elastic couplings consisting of leaf springs and they are elastically joined and are held apart by leaf springs.
FR7415980A 1974-01-16 1974-05-09 Self advancing roof support with stowing screen - has screen fastened to separately advancing props with retractable ends Granted FR2257775A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742401832 DE2401832C2 (en) 1974-01-16 1974-01-16 Backfill wall tracked as the expansion progresses, especially for thick seams and flush backfill

Publications (2)

Publication Number Publication Date
FR2257775A1 true FR2257775A1 (en) 1975-08-08
FR2257775B3 FR2257775B3 (en) 1977-03-11

Family

ID=5904855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415980A Granted FR2257775A1 (en) 1974-01-16 1974-05-09 Self advancing roof support with stowing screen - has screen fastened to separately advancing props with retractable ends

Country Status (4)

Country Link
CS (1) CS202544B2 (en)
DE (1) DE2401832C2 (en)
FR (1) FR2257775A1 (en)
PL (1) PL93301B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600116A1 (en) * 1986-06-13 1987-12-18 Charbonnages De France Mechanised propping support for cuttings which are filled in pneumatically
CN113006863A (en) * 2021-04-14 2021-06-22 中国矿业大学 Automatic inflatable filling bag device and working face filling method

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721135A1 (en) * 1987-06-26 1989-01-05 Kloeckner Becorit Gmbh Face support for faces with pneumatic stowing
DE4330086C1 (en) * 1993-09-06 1995-03-30 Hemscheidt Maschf Hermann Hydraulic shield-type powered support assembly for a hydraulic stowing face

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT294729B (en) * 1968-12-11 1971-11-15 Tatabanyai Szenbanyak HIKING STRUCTURAL EQUIPMENT FOR DISPLACEMENT STRUT

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2600116A1 (en) * 1986-06-13 1987-12-18 Charbonnages De France Mechanised propping support for cuttings which are filled in pneumatically
CN113006863A (en) * 2021-04-14 2021-06-22 中国矿业大学 Automatic inflatable filling bag device and working face filling method
CN113006863B (en) * 2021-04-14 2021-11-26 中国矿业大学 Automatic inflatable filling bag device and working face filling method

Also Published As

Publication number Publication date
DE2401832C2 (en) 1984-04-05
DE2401832A1 (en) 1975-07-24
FR2257775B3 (en) 1977-03-11
PL93301B1 (en) 1977-05-30
CS202544B2 (en) 1981-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse