SE2350324A1 - Reversing valve for hydraulic rock drill - Google Patents

Reversing valve for hydraulic rock drill

Info

Publication number
SE2350324A1
SE2350324A1 SE2350324A SE2350324A SE2350324A1 SE 2350324 A1 SE2350324 A1 SE 2350324A1 SE 2350324 A SE2350324 A SE 2350324A SE 2350324 A SE2350324 A SE 2350324A SE 2350324 A1 SE2350324 A1 SE 2350324A1
Authority
SE
Sweden
Prior art keywords
chamber
oil
valve
valve core
communication
Prior art date
Application number
SE2350324A
Other languages
English (en)
Inventor
hejiang Ding
Lei Song
Qinghua He
Original Assignee
Sunward Intelligent Equipment
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 Sunward Intelligent Equipment filed Critical Sunward Intelligent Equipment
Publication of SE2350324A1 publication Critical patent/SE2350324A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00—Percussion drilling
    • E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
SE2350324A 2021-06-29 2021-12-22 Reversing valve for hydraulic rock drill SE2350324A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110727313.7A CN113338790B (zh) 2021-06-29 2021-06-29 一种液压凿岩机换向阀
PCT/CN2021/140411 WO2023273226A1 (zh) 2021-06-29 2021-12-22 一种液压凿岩机换向阀

Publications (1)

Publication Number Publication Date
SE2350324A1 true SE2350324A1 (en) 2023-03-23

Family

ID=77481525

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2350324A SE2350324A1 (en) 2021-06-29 2021-12-22 Reversing valve for hydraulic rock drill

Country Status (3)

Country Link
CN (1) CN113338790B (zh)
SE (1) SE2350324A1 (zh)
WO (1) WO2023273226A1 (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113338790B (zh) * 2021-06-29 2024-01-30 山河智能装备股份有限公司 一种液压凿岩机换向阀
CN113236112A (zh) * 2021-06-29 2021-08-10 山河智能装备股份有限公司 一种液压凿岩机冲击缸的信号油输出结构
CN114000822B (zh) * 2021-10-23 2023-03-14 江西沃斯德凿岩液压有限公司 凿岩机的冲击机构
CN116220540A (zh) * 2023-03-06 2023-06-06 徐州徐工基础工程机械有限公司 一种冲击零件及冲击机构
CN116556824B (zh) * 2023-07-07 2023-09-22 徐州徐工基础工程机械有限公司 冲击器工作机构以及冲击器

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11304023A (ja) * 1998-04-17 1999-11-05 Komatsu Ltd 三方弁
JP4222205B2 (ja) * 2003-12-25 2009-02-12 株式会社デンソー 電磁スプール弁
CN100441886C (zh) * 2004-11-12 2008-12-10 宁波华液机器制造有限公司 三通比例减压控制阀
CN201090548Y (zh) * 2007-09-21 2008-07-23 兰州理工大学 减振型液动比例控制主阀
DE102008059437B3 (de) * 2008-11-27 2010-01-07 Parker Hannifin Gmbh & Co. Kg Hydraulisches Steuerventil mit zwei Steuerkolben für einen einseitig arbeitenden Differentialzylinder
CN201786796U (zh) * 2010-09-25 2011-04-06 许新跃 数控比例换向阀
CN202182076U (zh) * 2011-07-22 2012-04-04 深圳市普隆重工有限公司 一种液压凿岩机及其配油滑阀
CN202370426U (zh) * 2011-12-16 2012-08-08 浙江志高机械有限公司 液压凿岩机活塞冲程快速调节装置
CN102865386B (zh) * 2012-09-28 2014-03-12 张家港市普天机械制造有限公司 机械节流阀
CN103322239B (zh) * 2013-06-26 2015-08-19 邱金成 一种三腔型三位四通气控换向液压阀
CN104154050B (zh) * 2014-07-29 2016-04-27 李田生 高效液压凿岩机
CN204985126U (zh) * 2015-07-24 2016-01-20 烟台艾迪液压科技有限公司 一种液压凿岩机的冲击换向装置
JP6713778B2 (ja) * 2016-01-19 2020-06-24 古河ロックドリル株式会社 液圧式打撃装置
CN105526207B (zh) * 2016-01-28 2018-02-06 无锡必克液压股份有限公司 一种液压凿岩机配流阀及其应用的配流控制系统
CN108019535B (zh) * 2018-01-04 2023-11-24 中国石油大学(北京) 阀芯采用密封锥面的两位三通换向阀
CN113236112A (zh) * 2021-06-29 2021-08-10 山河智能装备股份有限公司 一种液压凿岩机冲击缸的信号油输出结构
CN113338790B (zh) * 2021-06-29 2024-01-30 山河智能装备股份有限公司 一种液压凿岩机换向阀

Also Published As

Publication number Publication date
WO2023273226A1 (zh) 2023-01-05
CN113338790A (zh) 2021-09-03
CN113338790B (zh) 2024-01-30

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