EP2942478A1 - Tête à impact à mouvement en va-et-vient facile à déposer comportant une fente anti-rotation pour haveuse - Google Patents

Tête à impact à mouvement en va-et-vient facile à déposer comportant une fente anti-rotation pour haveuse Download PDF

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Publication number
EP2942478A1
EP2942478A1 EP14735436.9A EP14735436A EP2942478A1 EP 2942478 A1 EP2942478 A1 EP 2942478A1 EP 14735436 A EP14735436 A EP 14735436A EP 2942478 A1 EP2942478 A1 EP 2942478A1
Authority
EP
European Patent Office
Prior art keywords
tooth
impact
pillar
snap
head
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Withdrawn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)
English (en)
Other versions
EP2942478A4 (fr
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/fr
Publication of EP2942478A4 publication Critical patent/EP2942478A4/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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 OR ROCK 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 OR ROCK 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

Definitions

  • the invention relates to the field of mining machinery, in particular to an easily removable reciprocating impact head with an anti-rotation slot for a mining machine.
  • the widely used mining machine is used for cutting materials of a coal wall or a rock wall or a compacted rock and the like, the coal wall or the rock wall or the compacted rock and the like are cut and milled in a rotating and inclined manner.
  • continuous rotation feeding is performed on the cutting tooth and the materials at an inclined angle which is smaller than 80 degrees, because the cutting tooth and the tooth seat are mostly connected in a relative rotating manner, and the cutting tooth and the tooth seat are in intermittent fit, the cutting intensity and the efficiency of the cutting tooth when the cutting tooth is used for cutting the materials are greatly reduced; besides, the cutting tooth is seriously damaged, and the lump material rate of the dropped materials is low, and the efficiency is low;
  • the impact shovel of an impact coal planer is perpendicular to the materials to continuously plane and cut the materials, but because the chain is used for pulling the planing and cutting head to continuously and straightly plane and cut the materials, the cutting tooth continuously planes and cuts the
  • the easily removable reciprocating impact head with the anti-rotation insertion hole for the mining machine comprises a reciprocating impact head device and the like, wherein the reciprocating impact head device comprises a reciprocating impact head and the like, and the reciprocating impact head comprises reciprocating impact tooth and a fixed seat and the like, and also comprises snap springs or elastic pins or a locking pin and the like;
  • the fixed seat comprises a tooth seat and the like, and the tooth seat comprises a tooth seat insert or a tooth seat insertion pillar and the like, and also comprises tooth seat shoulders and the like;
  • the reciprocating impact tooth comprises an impact tooth insertion pillar or an impact tooth insert and the like, and also comprises an impact tooth and the impact tooth shoulders, wherein the impact tooth is arranged on the impact tooth insertion pillar or the impact tooth insert, the impact tooth shoulders are arranged at the lower part of the impact tooth or at the end part of the impact tooth insert and the like, and the reciprocating impact tooth and the fixed seat comprise a hole groove for arranging the snap springs or the elastic
  • the snap springs or the elastic pins or the locking pin and the like prevent the reciprocating impact tooth from dropping from the fixed seat, the tooth seat insertion pillar and/or the impact tooth insertion pillar and the like comprise a pillar anti-rotation structure, the tooth seat insert and/or the impact tooth insert and the like comprise a hole anti-rotation structure, and the impact tooth insertion pillar is inserted into the tooth seat insert or the tooth seat insertion pillar is inserted into the impact tooth insert; the impact tooth shoulders are closely matched with the tooth seat shoulders to withstand the counterforce of reciprocating impact, and the hole anti-rotation structure is matched with the column anti-rotation structure to prevent the reciprocating impact tooth from rotating.
  • the hole bottom of the tooth seat insert and the bottom of the impact tooth insertion pillar are jointed, the bottom and the bottom hole of the impact tooth insertion pillar support the impact tooth for reciprocating impact, and the tooth seat insert and the tooth seat shoulders are in integral connection.
  • the tooth seat shoulders and/or the impact tooth shoulders comprise the disassembly grooves and the like, and when the impact tooth which is damaged needs to be exchanged, the disassembly grooves are used for prying and pulling out the impact tooth insertion pillar from the tooth seat insert.
  • the snap springs comprise outer cambered surface snap springs and the like
  • the fixed seat comprises a tooth seat insert
  • outer cambered surface snap spring grooves of the fixed seat are formed in the tooth seat insert
  • outer cambered surface snap spring deformation grooves corresponding to the outer cambered surface snap spring grooves are formed in the impact tooth insertion pillar
  • the outer cambered surface snap springs are arranged on the outer cambered surface snap spring deformation grooves, and the impact tooth insertion pillar is pushed into the tooth seat insert
  • the hole wall of the tooth seat insert compresses the outer cambered surface snap springs into the outer cambered surface snap spring deformation grooves
  • the outer cambered surface snap springs when the outer cambered surface snap springs are pushed into the outer cambered surface snap spring grooves of the fixed seat, the outer cambered surface snap springs extend outwards to be clamped into the outer cambered surface snap spring grooves of the fixed seat in a spring manner, and the impact tooth insertion pillar is snap-
  • the impact tooth insertion pillar, the impact tooth, the fixed seat, the impact rack and the like are provided with the circulating water passage or the unidirectional water passage and the like, the sealing elements are arranged at the jointed part of the tooth seat insert and the impact tooth insertion pillar, and the sealing elements prevent the water from being permeated into the tooth seat insert from the water passage;
  • the circulating water passage comprise a water inlet passage and a water outlet passage, which are arranged in parallel and are communicated mutually at the upper part of the impact tooth; the water flows into the water inlet passage from the tooth seat and flows out from the water outlet passage, so that the temperature of the impact tooth is lowered.
  • the transverse cambered pillar projection of the tooth seat comprises a cambered surface projection or an cambered surface projection or a rectangular projection or a triangular projection or a polygonal projection, or a column projection or a T-shaped projection or an cambered head T-shaped projection, and the like
  • the transverse cambered pillar groove of the impact tooth comprises a curved groove or an cambered surface groove or a rectangular groove or a triangular groove or a polygonal groove or a column groove or a T-shaped groove or an cambered head T-shaped groove and the like
  • the transverse cambered pillar groove of the impact tooth comprises a through hole groove or a blind hole groove or a blocker groove and the like.
  • the positioning boss 26 comprises the conical positioning boss 26, or the cylindrical positioning boss 26, or the square positioning boss 26, or the rectangular positioning boss 26, or oval positioning boss 26, or the triangular positioning boss 26, or the polygonal positioning boss 26, or the bevel positioning boss 26 and the like.
  • the snap-fitted surfaces of the tooth seat shoulders 13 and the impact tooth shoulders 17 face to the object to be mined, the reacting force of the reciprocating impact acts on the snap-fitted surfaces, and the intensity of the impact reacting force withstood by the snap-fitted surfaces is large.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 2 are shown in figure 5 to figure 7 .
  • the embodiment 2 is different from the embodiment 1: the elastic pins 8 comprise the elastic bayonets 29, the tooth seat 10 is provided with the concave holes 30, the impact tooth insertion pillar 14 is correspondingly provided with the tapered holes 31 matched with the concave holes 30, and the elastic bayonets 29 are arranged in the tapered holes 31 and the concave holes 30.
  • the impact tooth insertion pillar 14 can also be correspondingly provided with the tapered groove, or the pin hole and the like matched with the concave holes 30.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 5 is shown in the figure 10 .
  • the embodiment 5 is different from the embodiment 1:the blocker 36 is arranged at the lower part of the impact tooth 16, the blocker 36 is snap-fitted on the tooth seat 10 to be used for preventing the dust, the water, or the material scraps and the like from entering the tooth seat insert 11 or the combined parts of the tooth seat shoulders 13 and the impact tooth shoulders 17 to enable the impact direction of the reciprocating impact tooth 5 to be inclined so as to prevent the dust, the water, corrosive or the material scraps and the like from corroding the impact tooth insertion pillar 14, and the reciprocating impact tooth 5 is righted.
  • the impact tooth insertion pillar 14, the impact tooth 16, the fixed seat 6 and the impact rack 27 can also be provided with the unidirectional water passage 40.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 8 is shown in the figure 16 to the figure 17 .
  • the embodiment 8 is different from the embodiment 1:the pillar-type anti-rotation structure 18 comprises the anti-rotation structure 18 with a round lower part and a prismatic upper part, or the square pillar-type anti-rotation structure 18, or the triangle pillar-type anti-rotation structure, or the polygonal pillar-type anti-rotation structure 18, or the anti-rotation structure 18 with a round upper part and a prismatic lower part, or the concave-convex snap-fitted anti-rotation structure, or the bayonet anti-rotation structure, or the ramp anti-rotation structure and the like, and the pillar-type anti-rotation structure 18 and the impact tooth insertion pillar 14 are in split connection or in integral connection.
  • the cambered head section groove 51 and the like are formed outside the tooth seat insert 11 or outside the impact tooth insert 15, the cambered head V-shaped opening snap spring 22 also comprises the cambered head section 52 and the like, the cambered head section 52 is arranged in the cambered head section groove 51 and the like, the cambered head section groove 51 protects the cambered head section 52, and the structure for disassembling the cambered head V-shaped snap spring 22 is arranged between the cambered head section 52 and the cambered head section groove 51.
  • the embodiment 12 is different from the embodiment 1:the transverse cambered pillar projection 55 of the tooth seat and the transverse cambered pillar groove 56 of the impact tooth are snap-fitted, the snap spring hole grooves 46 are arranged in the joined part, and the snap spring hole grooves 46 comprise the left snap spring hole groove 47 and the right snap spring hole groove 48; the snap springs 7 comprise the cambered head V-shaped opening snap spring 22 which comprises the left pin pillar 49 and the right pin pillar 50, the distance between the opening of the left pin pillar 49 and the opening of the right pin pillar 50 is larger than the distance between the left snap spring hole groove 47 and the right snap spring hole groove 48, the left pin pillar 49 and the right pin pillar 50 of the cambered head V-shaped opening snap spring 22 are correspondingly penetrated into the left snap spring hole groove 47 and the right snap spring hole groove 48 so as to prevent the reciprocating impact tooth 5 from dropping from the fixed seat 6, the left pin pillar 49 produces the elastic force towards the left, and the right pin pillar 50 produces the elastic force towards
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 13 is shown in figure 24 .
  • the embodiment 13 is different from the embodiment 1:the impact tooth 16 is provided with the wear-reducing concave surface 53 and the like; the wear-reducing concave surface 53 reduces the direct contact area of the impact tooth 16 and the materials, reduces the wear of the materials to the impact tooth 16, lowers the weight of the impact tooth 16, and reduces impact resistance.
  • the impact tooth 16 comprises the material guiding surface 54 and the like
  • the material guiding surface 54 comprises the bevel material guiding surface 54, or the cambered material guiding surface 54, or the plane material guiding surface 54, or the curved surface material guiding surface 54 and the like, and when dropped materials are impacted, the material guiding surface 54 smoothly guides out the materials.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 14 is shown in figure 25 to figure 27 .
  • the embodiment 14 is different from the embodiment 1:the tooth seat insertion pillar 12 is the transverse cambered pillar projection 55 of the tooth seat and the like, the impact tooth insert 15 is correspondingly the transverse cambered pillar groove 56 of the impact tooth and the like, the transverse cambered pillar projection 55 of the tooth seat and the transverse cambered pillar groove 56 of the impact tooth are snap-fitted to prevent the reciprocating impact tooth 5 from rotating, the snap-fitted cambered surface 57 of the transverse cambered pillar projection 55 of the tooth seat and the transverse cambered pillar groove 56 of the impact tooth faces to the object to be mind, the reacting force of the reciprocating impact acts on the cambered surface 57, the intensity of the impact reacting force withstood by the cambered surface 57 is large, and the local deformation of the snap-fitted surface of the
  • the snap spring 7 comprises the spring steel snap spring, or the alloy steel snap spring, or the snap spring made of nylon materials, or the snap spring made of rubber materials, or the snap spring made of plastic materials, or the snap spring made of bamboo materials, or the snap spring made of composite materials and the like.
  • the height of the cambered surface 44 of each outer cambered surface snap spring groove is smaller than the radius of the outer cambered surface 45 of each outer cambered surface snap spring, and the situation that the outer cambered surface snap springs 66 enter the outer cambered surface snap spring grooves 58 so that the outer cambered surface snap springs 66 cannot be disassembled is prevented;
  • the radius of the cambered surface 44 of each outer cambered surface snap spring groove is greater than or equal to the radius of the outer cambered surface 45 of each outer cambered surface snap spring, which is favorable for the outer cambered surface snap springs 66 to be snapped into the outer cambered surface snap spring grooves 58, and is favorable for the outer cambered surface 45 of each outer cambered surface snap spring to be jointed with the groove surface of each outer cambered surface snap spring groove 58 so as to have a better anti-drop effect.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 16 are shown in the Figure 29 to the Figure 30 .
  • the embodiment 16 is different from the embodiment 1:the tooth seat insertion pillar 12 comprises the transverse cambered pillar projection shoulders 60 of the tooth seat, the impact tooth insert 11 is correspondingly provided with the transverse cambered pillar groove shoulders 61 of the impact tooth, the transverse cambered pillar projection shoulders 60 of the tooth seat are snap-fitted with the transverse cambered pillar groove shoulders 61 of the impact tooth to prevent the impact tooth 16 from rotating and withstand the impact force.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 18 are shown in the figure 32 .
  • the embodiment 18 is different from the embodiment 1:the tooth seat shoulders 13 are provided with the conical projection 24, the impact tooth shoulders 17 are correspondingly provided with the conical groove 25, the conical projection 24 of the tooth seat shoulders 13 and the conical groove 25 of the impact tooth shoulders 17 are closely snap-fitted to prevent the dust, the water, the coal slime, the corrosive or the material scraps and the like from entering the tooth seat insert 11 and protect the snap springs 7 from being polluted by the materials.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 19 are shown in the Figure 33 .
  • the embodiment 19 is different from the embodiment 1: the snap springs 7 are the cambered-head clip board opening ring snap spring 67 which is arranged in the combined part of the tooth seat insert 11 and the impact tooth insertion pillar 14, and the cambered-head clip board opening ring snap spring 67 stops the impact tooth insertion pillar 14 from dropping from the tooth seat insert 11.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 20 are shown in the Figure 34 to the Figure 35 .
  • the embodiment 20 is different from the embodiment 1:the wear-resistant stiffener 69 or the wear-resistant alloy block 68 is arranged at the side part of the reciprocating impact tooth 5, and the wear-resistant stiffener 69 or the wear-resistant alloy block 68 is welded to the side part of the reciprocating impact tooth 5 so as to reduce the wear to the reciprocating impact tooth 5.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 21 is shown in the figure 36 .
  • the embodiment 21 is different from the embodiment 1:the tooth seat insertion pillar 12 or the impact tooth insertion pillar 14 is provided with the tapered projection 71, the tapered groove 72 is correspondingly formed in the impact tooth insert 15 or the tooth seat insert 11, the tapered projection 71 and the tapered groove 72 are snap-fitted, the reciprocating impact force acts on the jointed surface of the impact tooth shoulders 17 and the tooth seat shoulders 13, and the tapered projection 71 and the tapered groove 72, which are snap-fitted, and the snap springs 7 jointly prevent the reciprocating impact tooth 5 from dropping.
  • the easily removable reciprocating impact head with an anti-rotation insertion hole for a mining machine, illustrated in the embodiment 22 is shown in the figure 37 to the figure 38 .
  • the embodiment 22 is different from the embodiment 1:the elastic pins 8 comprise the expansion pin 73 which is arranged in the elastic pin hole groove 74 of the reciprocating impact tooth 5 and the fixed seat 6, the expansion pin 73 is connected with the reciprocating impact tooth 5 and the fixed seat 6 in a penetrating manner, after the elastic pins 8 are automatically sprung, the expansion pin 73 is prevented from dropping from the hole groove, and the reciprocating impact tooth 5 and the fixed seat 6 are connected in a fastening manner.
  • Others of the embodiment 22 are the same as the embodiment 1.

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  • 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)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
EP14735436.9A 2013-01-04 2014-01-06 Tête à impact à mouvement en va-et-vient facile à déposer comportant une fente anti-rotation pour haveuse Withdrawn EP2942478A4 (fr)

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
CN201310561729 2013-11-07
CN201310561655 2013-11-07
CN201310716478 2013-12-24
CN201410002136 2014-01-03
PCT/CN2014/000009 WO2014106458A1 (fr) 2013-01-04 2014-01-06 Tête à impact à mouvement en va-et-vient facile à déposer comportant une fente anti-rotation pour haveuse

Publications (2)

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

Family

ID=51038238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14735436.9A Withdrawn EP2942478A4 (fr) 2013-01-04 2014-01-06 Tête à impact à mouvement en va-et-vient facile à déposer comportant une fente anti-rotation pour haveuse

Country Status (10)

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

Cited By (1)

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CN108652419A (zh) * 2018-04-18 2018-10-16 浙江工贸职业技术学院 一种家用炒菜装置

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EA201591272A1 (ru) * 2013-01-04 2016-04-29 Сухуа Лю Легкосъемная ударная головка с возвратно-поступательным движением с антиротационным установочным отверстием для горной машины
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 (zh) * 2015-11-23 2016-02-24 国家电网公司 便携式接地线装置
IT201600103875A1 (it) * 2016-10-17 2018-04-17 Campagnolo Srl Piolino per una corona di una guarnitura di bicicletta
CN107780930B (zh) * 2017-12-01 2021-01-26 三一重型装备有限公司 采煤机滚筒及采煤机
CN111445441B (zh) * 2020-03-03 2023-02-17 首钢京唐钢铁联合有限责任公司 一种带钢头部缺陷处理方法及装置
CN111550243A (zh) * 2020-04-30 2020-08-18 三一重型装备有限公司 分体式截齿、截割头和采掘机械设备
CN114542568A (zh) * 2020-11-19 2022-05-27 王鼎瑞 焊接组件及焊接组件组装于物体的方法
CN114000876A (zh) * 2021-09-29 2022-02-01 广东省科学院智能制造研究所 一种截齿及其复合加工方法、矿山机械

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CN108652419B (zh) * 2018-04-18 2020-09-08 浙江工贸职业技术学院 一种家用炒菜装置

Also Published As

Publication number Publication date
US20150337657A1 (en) 2015-11-26
CN103912273B (zh) 2018-05-22
CA2897515A1 (fr) 2014-07-10
CN103912273A (zh) 2014-07-09
MX2015008674A (es) 2016-03-04
AU2014204385A1 (en) 2015-08-20
WO2014106458A1 (fr) 2014-07-10
ZA201505518B (en) 2019-11-27
EP2942478A4 (fr) 2016-08-17
AU2014204385A2 (en) 2015-10-08
EA201591272A1 (ru) 2016-04-29
AP2015008627A0 (en) 2015-08-31
CN203716962U (zh) 2014-07-16

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