ZA899017B - Method and tensioning means for avoiding slack chain in longwall machinery - Google Patents

Method and tensioning means for avoiding slack chain in longwall machinery

Info

Publication number
ZA899017B
ZA899017B ZA899017A ZA899017A ZA899017B ZA 899017 B ZA899017 B ZA 899017B ZA 899017 A ZA899017 A ZA 899017A ZA 899017 A ZA899017 A ZA 899017A ZA 899017 B ZA899017 B ZA 899017B
Authority
ZA
South Africa
Prior art keywords
tensioning means
slack chain
longwall
machinery
avoiding slack
Prior art date
Application number
ZA899017A
Inventor
Egon Prof Henkel
Henkel Prof Egon
Peter Dr Brychta
Brychta Dr Peter
Original Assignee
Bergwerksverband 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 Bergwerksverband Gmbh filed Critical Bergwerksverband Gmbh
Publication of ZA899017B publication Critical patent/ZA899017B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/44—Belt or chain tensioning arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Conveyors (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
ZA899017A 1988-12-13 1989-11-27 Method and tensioning means for avoiding slack chain in longwall machinery ZA899017B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3841884A DE3841884A1 (en) 1988-12-13 1988-12-13 Method and tightening device for avoiding hanging chain in face operating means

Publications (1)

Publication Number Publication Date
ZA899017B true ZA899017B (en) 1990-09-26

Family

ID=6369029

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA899017A ZA899017B (en) 1988-12-13 1989-11-27 Method and tensioning means for avoiding slack chain in longwall machinery

Country Status (2)

Country Link
DE (1) DE3841884A1 (en)
ZA (1) ZA899017B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413321C2 (en) * 1994-04-16 2000-10-12 Dbt Gmbh Method and device for tensioning endless drive belts, especially in chain drives, such as chain scraper conveyors, coal planing and the like. the like
DE19504779C2 (en) * 1995-02-14 1997-12-04 Bochumer Eisen Heintzmann Process for operating a continuously operating extraction device for mineral raw materials that are present in the seam and the extraction device set up for carrying out the method
US5809873A (en) * 1996-11-18 1998-09-22 Ovalstrapping, Inc. Strapping machine having primary and secondary tensioning units and a control system therefor
DE19735941A1 (en) * 1997-08-19 1999-02-25 Dbt Autom Gmbh Process for controlling the main and auxiliary drives of carriers
US6415712B1 (en) 1999-12-02 2002-07-09 Enterprises International, Inc. Track mechansim for guiding flexible straps around bundles of objects
DE20311436U1 (en) 2003-07-24 2003-09-18 Dbt Autom Gmbh Device for detecting scratch chain tension states
CN101448722B (en) 2006-03-22 2012-01-25 柯尼格及包尔公开股份有限公司 Tensioning apparatus of a circulating element
DE102006060236B3 (en) * 2006-12-20 2008-05-15 Koenig & Bauer Aktiengesellschaft Tensioning device for an endless belt used for transporting workpieces comprises a base body, a piston and a piston rod having a locking unit which can be switched by pressurized fluid
CN103016052B (en) * 2011-09-23 2015-09-23 卡特彼勒（郑州）有限公司 Solid filling scraper conveyor
CN102745520A (en) * 2012-06-29 2012-10-24 宝山钢铁股份有限公司 Monitoring device capable of preventing chain from being released for continuous type ship unloader chain wheel

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3406519A1 (en) * 1984-02-23 1985-08-29 Bergwerksverband Gmbh, 4300 Essen TENSIONING DEVICE FOR CHAIN DRIVED AGENTS
DE8716478U1 (en) * 1987-12-14 1988-07-28 Bergwerksverband Gmbh, 4300 Essen Electric motor for electrical load balancing

Also Published As

Publication number Publication date
DE3841884A1 (en) 1990-06-21
DE3841884C2 (en) 1993-01-07

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