LU500941B1 - Adjustable pedal applicable to coal mining hydraulic support - Google Patents

Adjustable pedal applicable to coal mining hydraulic support Download PDF

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Publication number
LU500941B1
LU500941B1 LU500941A LU500941A LU500941B1 LU 500941 B1 LU500941 B1 LU 500941B1 LU 500941 A LU500941 A LU 500941A LU 500941 A LU500941 A LU 500941A LU 500941 B1 LU500941 B1 LU 500941B1
Authority
LU
Luxembourg
Prior art keywords
support rod
shaped holder
support
applicable
hydraulic
Prior art date
Application number
LU500941A
Other languages
English (en)
French (fr)
Inventor
Jiawen Li
Qingchong Zhao
Gaoming Zhao
Qingwei Bu
Ningping Jin
Xiangyang Zhang
min Tu
Jiaxin Dang
Original Assignee
Univ Anhui Sci & Technology
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 Univ Anhui Sci & Technology filed Critical Univ Anhui Sci & Technology
Application granted granted Critical
Publication of LU500941B1 publication Critical patent/LU500941B1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/44—Hydraulic, pneumatic, or hydraulic-pneumatic props

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Control Devices (AREA)
LU500941A 2021-10-19 2021-12-01 Adjustable pedal applicable to coal mining hydraulic support LU500941B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111215860.3A CN113847071B (zh) 2021-10-19 2021-10-19 一种应用于采煤液压支架的可调节性踏板

Publications (1)

Publication Number Publication Date
LU500941B1 true LU500941B1 (en) 2023-04-20

Family

ID=78978915

Family Applications (1)

Application Number Title Priority Date Filing Date
LU500941A LU500941B1 (en) 2021-10-19 2021-12-01 Adjustable pedal applicable to coal mining hydraulic support

Country Status (2)

Country Link
CN (1) CN113847071B (zh)
LU (1) LU500941B1 (zh)

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU473403B2 (en) * 1972-03-03 1974-10-03 Mallon, John Michael Method of and apparatus for separating mineral particles
GB1408429A (en) * 1972-07-14 1975-10-01 Mastabar Mining Equipment Co L Mine roof supports
GB2089873A (en) * 1980-12-23 1982-06-30 Wickramasuriya Damasius Benett Convertible ladder
GB8327039D0 (en) * 1983-10-10 1983-11-09 Neale L A Yieldable stilts
BR7400802U (pt) * 1994-05-20 1995-12-19 Nunes Antonio Claudio Machado Dispositivo para captação de ouro e mercúrio residual
CN101100947A (zh) * 2007-08-13 2008-01-09 李长生 急倾斜煤层纯掩护巷式液压支架及安装伸缩回撤方法
CN102102525B (zh) * 2011-02-25 2012-08-08 三一重型综采成套设备有限公司 一种液压支架及其脚踏板装置
CN102392663A (zh) * 2011-11-30 2012-03-28 兖矿集团有限公司 超前支护液压支架及超前支护液压支架系统
CN202832571U (zh) * 2012-09-05 2013-03-27 安徽理工大学 一种用于相似材料模拟试验的采煤工作面支架
CN102996151B (zh) * 2012-11-13 2017-08-25 河南中车重型装备有限公司 一种井下低于1.8米增加工作面作业空间的方法及装置
CN102966303B (zh) * 2012-11-22 2015-06-10 三一重型装备有限公司 爬梯装置及液压支架
KR101671628B1 (ko) * 2015-05-11 2016-11-01 현대로템 주식회사 안전성 향상 기능을 갖는 신축 사다리
CN208249375U (zh) * 2017-11-15 2018-12-18 六盘水师范学院 一种采矿用自动升降支架
CN211692260U (zh) * 2019-11-26 2020-10-16 无锡特莱斯智能科技有限公司 一种两段式家用电动伸缩楼梯
CN111379515A (zh) * 2020-01-20 2020-07-07 永康市东旭梯业有限公司 多功能方便收纳的竹节梯
CN111411990A (zh) * 2020-03-30 2020-07-14 安徽理工大学 一种快速掘进巷道支护装备
CN212359811U (zh) * 2020-06-12 2021-01-15 王建芳 一种煤矿采煤工作面液压支架

Also Published As

Publication number Publication date
CN113847071B (zh) 2024-04-16
CN113847071A (zh) 2021-12-28

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Effective date: 20230420