EP2942478A4 - Easily removable reciprocating impact head with anti-rotation slot for mining machine - Google Patents

Easily removable reciprocating impact head with anti-rotation slot for mining machine

Info

Publication number
EP2942478A4
EP2942478A4 EP14735436.9A EP14735436A EP2942478A4 EP 2942478 A4 EP2942478 A4 EP 2942478A4 EP 14735436 A EP14735436 A EP 14735436A EP 2942478 A4 EP2942478 A4 EP 2942478A4
Authority
EP
European Patent Office
Prior art keywords
mining machine
rotation slot
easily removable
impact head
reciprocating impact
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.)
Withdrawn
Application number
EP14735436.9A
Other languages
German (de)
French (fr)
Other versions
EP2942478A1 (en
Inventor
Suhua Liu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2942478A1 publication Critical patent/EP2942478A1/en
Publication of EP2942478A4 publication Critical patent/EP2942478A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
    • E21C35/1936—Means for fixing picks or holders using bolts as main fixing elements the picks having a square- or rectangular-section shank

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP14735436.9A 2013-01-04 2014-01-06 Easily removable reciprocating impact head with anti-rotation slot for mining machine Withdrawn EP2942478A4 (en)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
CN201320023824 2013-01-04
CN201310100163 2013-03-13
CN201310096331 2013-03-15
CN201310384442 2013-08-23
CN201310561655 2013-11-07
CN201310561729 2013-11-07
CN201310716478 2013-12-24
CN201410002136 2014-01-03
PCT/CN2014/000009 WO2014106458A1 (en) 2013-01-04 2014-01-06 Easily removable reciprocating impact head with anti-rotation slot for mining machine

Publications (2)

Publication Number Publication Date
EP2942478A1 EP2942478A1 (en) 2015-11-11
EP2942478A4 true EP2942478A4 (en) 2016-08-17

Family

ID=51038238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14735436.9A Withdrawn EP2942478A4 (en) 2013-01-04 2014-01-06 Easily removable reciprocating impact head with anti-rotation slot for mining machine

Country Status (10)

Country Link
US (1) US20150337657A1 (en)
EP (1) EP2942478A4 (en)
CN (2) CN203716962U (en)
AP (1) AP2015008627A0 (en)
AU (1) AU2014204385A1 (en)
CA (1) CA2897515A1 (en)
EA (1) EA201591272A1 (en)
MX (1) MX2015008674A (en)
WO (1) WO2014106458A1 (en)
ZA (1) ZA201505518B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203716962U (en) * 2013-01-04 2014-07-16 刘素华 Anti-rotation easy disassembly type reciprocating impact head of mining machine jacks
AU2016228603B2 (en) * 2015-03-12 2020-05-07 Suhua LIU Method for insertion hole of linking guiding and sealing tooth insertion base to be provided with main and side reciprocating teeth, and impacting device wherein insertion hole of mining machine is provided with main and side reciprocating teeth
CN105356365A (en) * 2015-11-23 2016-02-24 国家电网公司 Portable grounding wire device
IT201600103875A1 (en) 2016-10-17 2018-04-17 Campagnolo Srl Pin for a crown of a bicycle garnish
CN107780930B (en) * 2017-12-01 2021-01-26 三一重型装备有限公司 Coal mining machine roller and coal mining machine
CN108652419B (en) * 2018-04-18 2020-09-08 浙江工贸职业技术学院 Household cooking device
CN111445441B (en) * 2020-03-03 2023-02-17 首钢京唐钢铁联合有限责任公司 Strip steel head defect processing method and device
CN111550243A (en) * 2020-04-30 2020-08-18 三一重型装备有限公司 Split type cutting pick, cutting head and mining mechanical equipment
CN114542568A (en) * 2020-11-19 2022-05-27 王鼎瑞 Welding assembly and method for assembling welding assembly on object
CN114000876A (en) * 2021-09-29 2022-02-01 广东省科学院智能制造研究所 Cutting pick, composite machining method thereof and mining machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090200857A1 (en) * 2006-08-11 2009-08-13 Hall David R Manually Rotatable Tool
WO2011004030A2 (en) * 2009-07-10 2011-01-13 Element Six Holding Gmbh Attack tool assembly

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US232792A (en) * 1880-09-28 Iinsng-iviachine
US3841708A (en) * 1972-06-15 1974-10-15 Kennametal Inc Excavating tool device
GB8427392D0 (en) * 1984-10-30 1984-12-05 Peaks J F Cutting tooth
DE8513913U1 (en) * 1985-05-10 1985-06-20 Hans Krummenauer GmbH & Co KG, 6680 Neunkirchen Chisel holder for a cutting tool
CN2057697U (en) * 1989-11-10 1990-05-30 煤炭科学研究总院南京研究所 Mine isolation-exploding electric rock drill
US5131476A (en) * 1990-12-18 1992-07-21 Percussion Drilling, Inc. Down hole percussion drill apparatus
CN1062051C (en) * 1996-03-30 2001-02-14 山西矿业学院 Impact coal cutting machine
CN2476642Y (en) * 2000-12-31 2002-02-13 佳木斯煤矿机械厂 Impact-tooth-type cutting head
CN201363149Y (en) * 2009-01-16 2009-12-16 佳倍德(北京)科技发展有限公司 Wear-resisting impact-resistance pick-like bit
CN102400682A (en) * 2010-09-07 2012-04-04 刘素华 High-efficiency blocking coal shovel
CN201843613U (en) * 2010-10-27 2011-05-25 刘素华 Excavating impulsion shovel
CN102678111B (en) * 2011-03-04 2016-01-20 刘素华 High-efficiency blocking coal shovel
CN102654053B (en) * 2011-03-04 2016-07-06 刘素华 Efficient block digger
CN202125295U (en) * 2011-06-13 2012-01-25 刘素华 Rod linked linear impact coal-shoveling machine
CN203716962U (en) * 2013-01-04 2014-07-16 刘素华 Anti-rotation easy disassembly type reciprocating impact head of mining machine jacks

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090200857A1 (en) * 2006-08-11 2009-08-13 Hall David R Manually Rotatable Tool
WO2011004030A2 (en) * 2009-07-10 2011-01-13 Element Six Holding Gmbh Attack tool assembly

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014106458A1 *

Also Published As

Publication number Publication date
CN103912273B (en) 2018-05-22
US20150337657A1 (en) 2015-11-26
ZA201505518B (en) 2019-11-27
CA2897515A1 (en) 2014-07-10
CN203716962U (en) 2014-07-16
MX2015008674A (en) 2016-03-04
AP2015008627A0 (en) 2015-08-31
CN103912273A (en) 2014-07-09
AU2014204385A1 (en) 2015-08-20
EP2942478A1 (en) 2015-11-11
WO2014106458A1 (en) 2014-07-10
AU2014204385A2 (en) 2015-10-08
EA201591272A1 (en) 2016-04-29

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Legal Events

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DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20160718

RIC1 Information provided on ipc code assigned before grant

Ipc: E21C 35/193 20060101ALI20160712BHEP

Ipc: E21C 35/19 20060101ALI20160712BHEP

Ipc: E21C 27/12 20060101AFI20160712BHEP

17Q First examination report despatched

Effective date: 20171219

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Effective date: 20180501