ZA889430B - Apparatus for detecting the cutting horizon for mining machines - Google Patents

Apparatus for detecting the cutting horizon for mining machines

Info

Publication number
ZA889430B
ZA889430B ZA889430A ZA889430A ZA889430B ZA 889430 B ZA889430 B ZA 889430B ZA 889430 A ZA889430 A ZA 889430A ZA 889430 A ZA889430 A ZA 889430A ZA 889430 B ZA889430 B ZA 889430B
Authority
ZA
South Africa
Prior art keywords
detecting
mining machines
cutting horizon
horizon
cutting
Prior art date
Application number
ZA889430A
Other languages
English (en)
Inventor
Guenter Reisner
Reisner Guenter
Original Assignee
Ruhrkohle Ag
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 Ruhrkohle Ag filed Critical Ruhrkohle Ag
Publication of ZA889430B publication Critical patent/ZA889430B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C39/00—Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
ZA889430A 1987-12-17 1988-12-15 Apparatus for detecting the cutting horizon for mining machines ZA889430B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3742753 1987-12-17

Publications (1)

Publication Number Publication Date
ZA889430B true ZA889430B (en) 1989-09-27

Family

ID=6342802

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA889430A ZA889430B (en) 1987-12-17 1988-12-15 Apparatus for detecting the cutting horizon for mining machines

Country Status (6)

Country Link
US (1) US4992657A (fr)
EP (1) EP0321383B1 (fr)
DE (1) DE3882028D1 (fr)
ES (1) ES2041825T3 (fr)
PL (1) PL160854B1 (fr)
ZA (1) ZA889430B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7301164B2 (en) * 2004-01-30 2007-11-27 Abb Inc. Measuring apparatus
US20080236046A1 (en) * 2007-03-30 2008-10-02 Caldwell Manufacturing Company, Inc. Tamper Proof Locking Device for Window Balance Carriers
DE202007014710U1 (de) * 2007-10-18 2008-11-27 Bucyrus Dbt Europe Gmbh Gewinnungseinrichtung für die Mineraliengewinnung und Aufnahmeeinrichtung für ein Sensorsystem hierfür
US8204689B2 (en) * 2007-10-24 2012-06-19 Veris Technologies, Inc. Mobile soil mapping system for collecting soil reflectance measurements
DE102008050068B3 (de) * 2008-10-01 2010-01-28 Rag Aktiengesellschaft Verfahren zum Steuern der Gewinnung in Strebbetrieben mittels Überwachung des Bergeanteils in der Förderung
CN103149178B (zh) * 2013-02-26 2015-06-24 中国矿业大学(北京) 一种煤岩辨识光纤传感器
CN109519187B (zh) * 2018-12-17 2020-02-21 中煤华晋集团有限公司 切眼掘进施工工艺
CN110080766B (zh) * 2019-04-30 2024-03-01 中国矿业大学 综采工作面煤岩界面识别装置及方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA741707B (en) * 1974-03-15 1975-07-30 Chamber Of Mines Services Ltd Determining heavy element concentration in ores
US4034218A (en) * 1975-10-09 1977-07-05 Schlumberger Technology Corporation Focused detection logging technique
US4165460A (en) * 1977-11-04 1979-08-21 Nasa Coal-rock interface detector
US4143552A (en) * 1978-03-01 1979-03-13 General Electric Company Coal seam sensor
US4266878A (en) * 1978-12-26 1981-05-12 Norlin Industries, Inc. Apparatus for measurement of soil moisture content
US4394573A (en) * 1980-12-15 1983-07-19 Conoco Inc. Method and apparatus for underwater detection of hydrocarbons
US4481418A (en) * 1982-09-30 1984-11-06 Vanzetti Systems, Inc. Fiber optic scanning system for laser/thermal inspection
DE3509868A1 (de) * 1984-03-24 1985-10-10 NLW Fördertechnik GmbH, 4232 Xanten Kohlenhobel, dessen hobelkoerper mit schaelwerkzeugen und hoehenverstellbaren bodenmeisseln ausgeruestet ist
US4655082A (en) * 1985-07-31 1987-04-07 Massachusetts Institute Of Technology Mining machine having vibration sensor
US4753484A (en) * 1986-10-24 1988-06-28 Stolar, Inc. Method for remote control of a coal shearer
DE8704679U1 (de) * 1987-03-30 1987-05-27 Fa. Carl Zeiss, 7920 Heidenheim Meßgerät für Oberflächen mit bunten Glanzeffekten

Also Published As

Publication number Publication date
EP0321383B1 (fr) 1993-06-23
US4992657A (en) 1991-02-12
DE3882028D1 (de) 1993-07-29
PL160854B1 (pl) 1993-04-30
EP0321383A1 (fr) 1989-06-21
ES2041825T3 (es) 1993-12-01
PL276460A1 (en) 1989-07-24

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