GB202200922D0 - Roof support unit for a mining machine - Google Patents

Roof support unit for a mining machine

Info

Publication number
GB202200922D0
GB202200922D0 GBGB2200922.9A GB202200922A GB202200922D0 GB 202200922 D0 GB202200922 D0 GB 202200922D0 GB 202200922 A GB202200922 A GB 202200922A GB 202200922 D0 GB202200922 D0 GB 202200922D0
Authority
GB
United Kingdom
Prior art keywords
support unit
mining machine
roof support
roof
mining
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.)
Pending
Application number
GBGB2200922.9A
Other versions
GB2614918A (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.)
Caterpillar Inc
Original Assignee
Caterpillar Inc
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 Caterpillar Inc filed Critical Caterpillar Inc
Priority to GB2200922.9A priority Critical patent/GB2614918A/en
Publication of GB202200922D0 publication Critical patent/GB202200922D0/en
Priority to CN202380018473.1A priority patent/CN118613635A/en
Priority to AU2023212922A priority patent/AU2023212922A1/en
Priority to PCT/US2023/060063 priority patent/WO2023147203A1/en
Publication of GB2614918A publication Critical patent/GB2614918A/en
Pending legal-status Critical Current

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
    • E21D23/04—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
    • 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
    • E21D23/04—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
    • E21D23/049—Connecting devices between the head or foot of a prop and the cap or base of the roof support
    • 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
    • E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
GB2200922.9A 2022-01-25 2022-01-25 Roof support unit for a mining machine Pending GB2614918A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2200922.9A GB2614918A (en) 2022-01-25 2022-01-25 Roof support unit for a mining machine
CN202380018473.1A CN118613635A (en) 2022-01-25 2023-01-04 Roof support unit for a mining machine
AU2023212922A AU2023212922A1 (en) 2022-01-25 2023-01-04 Roof support unit for a mining machine
PCT/US2023/060063 WO2023147203A1 (en) 2022-01-25 2023-01-04 Roof support unit for a mining machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2200922.9A GB2614918A (en) 2022-01-25 2022-01-25 Roof support unit for a mining machine

Publications (2)

Publication Number Publication Date
GB202200922D0 true GB202200922D0 (en) 2022-03-09
GB2614918A GB2614918A (en) 2023-07-26

Family

ID=80507309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2200922.9A Pending GB2614918A (en) 2022-01-25 2022-01-25 Roof support unit for a mining machine

Country Status (4)

Country Link
CN (1) CN118613635A (en)
AU (1) AU2023212922A1 (en)
GB (1) GB2614918A (en)
WO (1) WO2023147203A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116877165A (en) * 2023-07-28 2023-10-13 山东科技大学 Mine is with automatic strutting arrangement of back pressure that shocks resistance

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2300894A1 (en) * 1975-02-12 1976-09-10 Bennes Marrel Shock absorber for sledge mounted mine roof support - is membrane pressure accumulator housed inside piston of actuator strut
SU1008462A1 (en) * 1981-05-07 1983-03-30 Ордена Октябрьской Революции И Ордена Трудового Красного Знамени Институт Горного Дела Им.А.А.Скочинского Section of powered mining roof support
DE20315900U1 (en) * 2003-10-16 2004-01-08 Maschinenfabrik Glückauf GmbH & Co. KG Longwall for underground mining operations comprises a hydraulic piston arranged between a horizontal runner and a roof member provided with a rock burst damping unit
CN203584449U (en) * 2013-11-05 2014-05-07 北京诚田恒业煤矿设备有限公司 Multifunctional coal mining hydraulic protecting arm rake installing support frame device
CN208816159U (en) * 2018-02-02 2019-05-03 张焕洲 A kind of New Coal Mine hydraulic support
CN209228399U (en) * 2018-11-26 2019-08-09 陕西彬长小庄矿业有限公司 A kind of coal mine step type hydraulic shock-absorption bracket
CN211058838U (en) * 2019-09-20 2020-07-21 南京华来视电子科技有限公司 Half-unloading walking type hydraulic support
CN212898564U (en) * 2020-07-17 2021-04-06 河南省豫煤矿机有限公司 Jack protective structure for coal mine fully-mechanized mining hydraulic support

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116877165A (en) * 2023-07-28 2023-10-13 山东科技大学 Mine is with automatic strutting arrangement of back pressure that shocks resistance
CN116877165B (en) * 2023-07-28 2024-06-11 山东科技大学 Mine is with automatic strutting arrangement of back pressure that shocks resistance

Also Published As

Publication number Publication date
WO2023147203A1 (en) 2023-08-03
AU2023212922A1 (en) 2024-08-08
CN118613635A (en) 2024-09-06
GB2614918A (en) 2023-07-26

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