Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or
Patents for E21C 35 - Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or (6,127)
07/2012
07/11/2012CN202325507U Automatic oiling device for hydraulic system of coal mining machine
07/11/2012CN202325504U 可移动仓储式耙斗装岩机 Removable storage type scraper rock machine
07/11/2012CN202325503U Position adjustment push device for thin coal layer scraper conveyor
07/11/2012CN202325502U 新型采煤机用截割头螺旋滚筒 The new cutting head Shearer Spiral Drum
07/11/2012CN102562066A Method for mechanically mining coal by using steep seam pseudo inclination bracing type retractable flexible shield support
07/11/2012CN102562064A Dust isolation and collection method for fully mechanized excavation face
07/11/2012CN102562063A Chisel holder
07/11/2012CN102562062A Mining device
07/11/2012CN102562061A Roller coal mining machine
07/11/2012CN102562060A Overload protection device for motor of elevating conveyor of development machine
07/11/2012CN102562059A Non-contact monitoring device and non-contact monitoring method for load process of coal-mine excavating mechanical track walking system
07/11/2012CN102562058A Overload protecting device for running wheel of coal mining machine and coal mining machine provided with overload protecting device
07/11/2012CN102562055A Rocker arm and roller transmission structure of roller coal-mining machine
07/11/2012CN102003179B Saw blade type cave development machine
07/11/2012CN101709642B Track-type four-arm rock drilling jumbo
07/11/2012CA2763998A1 Bit holding system with an opening for removal of broken bits
07/10/2012US8215719 Rotatable cutting tool with through coolant
07/04/2012CN202302673U Engineering machine lubricating oil temperature control system and development machine
07/04/2012CN202301686U Shock absorption device and continuous miner using same
07/04/2012CN202300476U 月牙形自动过煤喷雾装置 Crescent automatic spray device over coal
07/04/2012CN202300405U Control system for base plate climbing coal mining machine
07/04/2012CN202300404U Internal spraying system for coal mining machine and coal mining machine
07/04/2012CN202300403U 采煤机喷射范围可调内喷雾装置 Shearer jet spray device within range is adjustable
07/04/2012CN202300402U 一种掘进机铲板本体 One kind of boring machine shovel blade body
07/04/2012CN202300401U 一种掘进机铲板星轮驱动装置 One kind of boring machine shovel-wheel drive
07/04/2012CN202300400U 掘进机装载机构 TBM loading mechanism
07/04/2012CN202300399U Shipping mechanism and continuous miner
07/04/2012CN202300398U 一种矿山耙岩机副绳连接装置 One kind of mine rake rock machine vice rope connecting device
07/04/2012CN202300397U 耙斗及耙矸机 Harrow and rake Refuse machine
07/04/2012CN202300396U 内嵌式金刚石复合截齿头 Embedded diamond composite cutter head
07/04/2012CN202300395U 一种复合式硬质合金采煤截齿 A composite type carbide mining picks
07/04/2012CN202300394U 掘进机水电闭锁装置 TBM hydropower locking device
07/04/2012CN202300393U 一种掘进机机载式施工平台 One kind of boring machine airborne type construction platform
07/04/2012CN102537625A Supporting and fastening device
07/04/2012CN102537222A Coal mining machine and planetary gear transmission mechanism of rocker of coal mining machine
07/04/2012CN102536244A Method for mining coal on automation working face of low-seam shearer loader
07/04/2012CN102536237A Touch automatic control and remote control device for cantilever tunneling machine
07/04/2012CN102536236A Settling, isolating and removing integrated dust prevention method of fully mechanized excavation face
07/04/2012CN102536235A T-shaped guide groove plug-in-type slip shoe frame
07/04/2012CN102536234A Electric control system of thin-seam electric traction coal mining machine
07/04/2012CN102536232A Double-row rack rail type multi-driving traction system for roller type coal mining machine
07/04/2012CN102535269A Adjustable coal mining machine rail
07/04/2012CN101942998B Development machine and floating sealing device thereof
07/04/2012CN101839133B Development machine coal rock identification automatic cutting control method and system
07/04/2012CN101781987B Tunneling and supporting machine
07/03/2012US8210618 Reduced volume cutting tip and cutter bit assembly incorporating same
06/2012
06/28/2012US20120161493 Method for Producing a Face Opening Using Automated Systems
06/28/2012DE112010003193T5 Nicht drehende Unterlegscheibe für eine Werkzeugpicke und Verfahren zum Schützender Block- und Hülsenoberflächen durch eine solche Unterlegscheibe Non-rotating washer for a tool pick and method for Protective block and sleeve surfaces by such Washer
06/28/2012DE112010001584T5 Aus einem drehbaren Schneidwerkzeug, einem Werkzeughalter und einer Basis bestehendeAnordnung A rotatable cutting tool, a tool holder and a base existing arrangement
06/27/2012EP2467577A1 Method for producing a face opening using automation systems
06/27/2012CN102518669A Design method of shaft sleeve used for rocker arm of coal mining machine
06/27/2012CN102518435A Self locking mechanism of traction scraper bucket steel wire rope used in P-series scraper bucket rock-loading machine
06/21/2012WO2012082136A1 Holder block assembly for a cutting tool having a hydraulic piston and method
06/21/2012WO2012079110A1 Cutting tip and tool
06/21/2012US20120153706 Percussion tool for a demolishing hammer or the like
06/21/2012DE102010054594A1 Shearing unit for extraction machine used in mining industry, has four leg portions that are arranged in machine portion such that two leg portions are driven by rack and pinion while other two leg portions are driven by skid plate
06/20/2012CN102505941A Tunneling machine
06/20/2012CN102501835A Supporting structure and engineering mechanism
06/19/2012US8201893 Quick-change tool holder with transverse hole
06/19/2012US8201892 Holder assembly
06/14/2012WO2012075672A1 High efficiency cutting tooth
06/14/2012US20120146391 Predetermined Failure Mechanism in a Degradation System
06/14/2012US20120146390 Attack tool assembly
06/14/2012US20120146388 Construction Machine, In Particular Road Milling Machine, Miner, Recycler or Stabilizer
06/14/2012DE102010054430A1 Mobile machine i.e. shearer loader, for use in underground mining industry, has legs supported on frame and provided with displacement sensor and/or force sensor for detecting load acting on legs and movement of legs in adjustment direction
06/14/2012CA2819312A1 Face conveyor for extraction plants and trough element for said face conveyor
06/13/2012CN202276305U 一种矿用电牵引采煤机自动控制装置 Ore electric traction shearer automatic control device
06/13/2012CN202273926U 采煤机调高系统 Shearer system
06/13/2012CN202273684U 一种煤矿采煤机的有线指令发送器 One kind of coal shearer wired command transmitter
06/13/2012CN202273683U 一种带控除尘功能的扒渣机 A tape control functions slag removal machine
06/13/2012CN202273682U 可升降式耙斗装岩机 Can lift scraper rock machine
06/13/2012CN202273681U 矿用挖掘装岩机柴电两用液压驱动系统 Mine mining rock loader hydraulic dual diesel-electric drive system
06/13/2012CN202273680U 矿用挖掘装岩机输送驱动装置 Ore mining conveyor drive unit with a rock loader
06/13/2012CN202273679U 滚耙料装置 Roller harrow feeding device
06/13/2012CN202273676U 一种滚筒式采煤机截割部 A drum type shearer cutting unit
06/13/2012CN102498262A Rotatable cutting tool with hard cutting member
06/13/2012CN102498248A Shear resistant excavation component
06/13/2012CN102494117A Internal cooler device for gear transmission cavity on cutting part of coal-mining machine
06/07/2012WO2012074606A1 System and method for controlling a machine at a worksite
06/07/2012WO2012072802A2 Chisel holder, and chisel holder system comprising a chisel holder and a base part
06/07/2012WO2012072801A2 Chisel holder, and chisel holder system comprising a chisel holder and a base part
06/07/2012WO2012072786A2 Chisel holder
06/07/2012WO2012072785A2 Chisel holder
06/07/2012WO2012072783A2 Chisel holder and lower tool part for a chisel holder
06/07/2012WO2011095463A3 Spray nozzle unit
06/07/2012CA2818523A1 System and method for controlling a machine at a worksite
06/06/2012DE102010061019A1 Meißelhalter und Werkzeugunterteil für einen Meißelhalter Toolholders and tool part for a toolholder
06/06/2012CN202266613U 一种采煤机截割部离合器装置 Ministry clutch apparatus shearer cutting
06/06/2012CN202266265U 装岩机卸料槽的可调式后支撑腿 Rock loader chute adjustable rear support legs
06/06/2012CN202266264U 一种具有组合装配结构抗脱落的截齿 Mounting structure having a combination of the anti-off cutter
06/06/2012CN202266263U 一种采煤机安全挡板 One kind of safety barrier Shearer
06/06/2012CN202266262U 掘进机红外线栅栏闭锁装置 TBM infrared fence blocking device
06/06/2012CN202266261U 一种刮板机行人过桥 One kind of scraper pedestrian bridge
05/2012
05/31/2012WO2012068643A1 A lock for an excavator wear assembly
05/30/2012CN202250158U Mineral water-jet spraying device for removing dust
05/30/2012CN202250085U Fixing device of wheel shaft for locking rock loader and rock loader with the device
05/30/2012CN202250084U Toothed rail pin limit device of coal mining machine
05/30/2012CN202250083U Pick-holder subassembly and heading machine
05/30/2012CN202250082U Guide mechanism of mine machine
05/30/2012CN202250081U Tunneling impulsion shovel guide device of blocking coal shoveling machine
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