Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 31 - Driving means incorporated in machines for slitting or completely freeing the mineral from the seam
Patents for E21C 31 - Driving means incorporated in machines for slitting or completely freeing the mineral from the seam (738)
03/2015
03/03/2015US8967728 Method of controlling a miner to cause wobble in the cutting heads
02/2015
02/11/2015CN104343449A 一种采矿链锯 One kind of mining chainsaw
02/04/2015CN204140064U 采煤机振动式截割滚筒 Shearer drum vibratory cutting
02/04/2015CN204140062U 悬臂式薄煤层大功率采煤机 Cantilever-power thin seam Shearer
02/04/2015CN102061914B 用于操纵采掘机切割器的方法 Manipulation of mining machine cutter method for
01/2015
01/21/2015CN204113782U 一种挖掘机改凿岩机控制系统及挖改凿机 Change one kind of rock excavator digging machine control system and change the cutting machine
01/21/2015CN103174416B 多点驱动电牵引采煤机 Multi-drive electric traction shearer
01/07/2015EP2821589A1 Mining machine cutting head drive assembly
12/2014
12/31/2014CN204061743U 一种掘进机截割部减速器 One kind of roadheader Ministry reducer
12/24/2014CN204041070U 一种新型井下采煤及掘进装备的传动系统 Transmission of a new underground mining and tunneling equipment
12/24/2014CN104234713A 一种复合旋切的采掘机 A composite veneer of mining machine
12/24/2014CN104234711A 适用于7～10m厚煤层的三滚筒采煤机以及开采方法 Suitable for 7 ~ 10m thick seam mining methods and three Shearer
12/24/2014CN102704927B 一种综合机械化岩巷掘进机组 An integrated mechanized units Rock Roadway
12/17/2014CN204024652U 截煤机新型牵引传动结构 The new traction drive shearer structure
12/17/2014CN204024649U (54)交流电牵弓i采煤机截割部传动系统 (54) AC traction bow i shearer cutting unit Transmission
12/17/2014CN104213917A 往复冲击采掘机摇臂旋转的方法及旋转摇臂往复冲击采掘机 Reciprocating impact mining machine arm rotation method and rotating arm reciprocating impact mining machine
12/17/2014CN103089259B 一种双向冲削采掘的方法及实施该方法的双向冲削采掘机 A two-way punching cut mining methods and the implementation of the method of two-way punching cut mining machine
12/10/2014CN204002785U 采煤机摇臂呼吸塞 Shearer breathing rocker stopper
12/10/2014CN204002784U 薄煤层采煤机摇臂 Rocker thin seam Shearer
12/10/2014CN204002783U 具有犁煤结构的薄煤层采煤机摇臂壳体 Shearer rocker housing having a thin seam of coal plow structure
12/10/2014CN204002782U 连杆内置式往复冲击动力箱 Built-rod reciprocating impact power box
12/10/2014CN204002780U 双截割头俯采机 Double cutting head upward mining machine
12/10/2014CN204002777U 带铲煤板的采煤机摇臂 With a shovel coal shearer rocker panels
12/10/2014CN102996130B 适用于模型试验的自动化微型采煤系统 Automated mining system is suitable for miniature model test
12/09/2014US8905488 Auxiliary drivetrain for a cold planer
11/2014
11/04/2014US8876219 Self-propelled surface milling cutter
09/2014
09/25/2014WO2014146495A1 Reciprocating impact mining machine lubricating method and reciprocating impact mining machine lubricating system implementing same
09/02/2014US8820846 Automated pre-tramming operation of a mining machine
08/2014
08/19/2014US8807660 Automated stop and shutdown operation of a mining machine
08/19/2014US8807659 Automated cutting operation of a mining machine
08/13/2014CN203770998U 往复冲击式采掘机润滑系统 Reciprocating impact mining machine lubrication system
08/13/2014CN103982182A 掘进机截割部混合动力传动系统 Roadheader cutting portion hybrid powertrain
08/13/2014CN103982181A 一种采煤机高可靠性机电液短程截割传动系统及控制方法 One kind of high-reliability electro-hydraulic shearer cutting short drive system and control method
08/06/2014CN203756164U 截齿链传动滚筒式采煤机截割部 Cutter chain drive drum shearer cutting unit
07/2014
07/30/2014CN203742596U 一种多步式渐变旋转机构 A multi-step gradual rotation mechanism
07/30/2014CN103953338A 用对背槽增强扶正冲击头的方法及实施该方法用对背槽增强扶正冲击头装置 Enhanced with a groove on the back of the head righting the impact and implementation of the method used method for righting the impact head back grooves enhance device
07/23/2014CN203729994U 采运煤一体机 Coal mining machine
07/23/2014CN103939589A 一种截割减速机的保护系统及方法和掘进机 One kind of protective gear cutting systems and methods and boring machines
07/16/2014CN203716963U 冲击防损坏动力箱 The impact of anti-corruption power box
07/16/2014CN103924973A 采煤机摇臂及采煤机摇臂用do型浮动油封新型密封结构 Shearer Shearer Rocker and Rocker-type floating oil with do new seal structure
07/16/2014CN103924972A 一种采煤机及其牵引部 One kind Shearer and haulage unit
07/16/2014CN103924970A 双臂四滚筒采煤机 Arms four shearer
07/02/2014CN203685179U 一种独立外回转凿岩机的减速机构 An independent external rotary drilling machine deceleration mechanism
07/02/2014CN103899584A 一种挖掘机改凿岩机控制系统及挖改凿机 Change one kind of rock excavator digging machine control system and change the cutting machine
06/2014
06/25/2014CN102168555B 一种超低面全液压钻式采煤机 An ultra-low surface full hydraulic drilling Shearer
06/18/2014CN102383796B Rotating mechanism and excavating machine
06/11/2014CN203640730U 用对背槽增高和/或加宽扶正冲击头装置 With the right back slot increased and / or widening impact head righting device
06/11/2014CN102691501B Tunneling machine and cutting part thereof
06/10/2014CA2671246C Extendable cutter drum for a boring machine
06/05/2014WO2014083239A1 A method and an arrangement for controlling power supply in an electric mining unit
06/05/2014WO2014082375A1 Method for disposing rocker arm rolling friction-based extendable and retractable rolling stroke sections in parallel, excavator or loader having rocker arm rolling stroke sections disposed in parallel
06/04/2014CN103835716A Multistep gradient rotating mechanism
06/04/2014CN101910559B Roof cutter holder adjustment device and securing element therefor
05/2014
05/28/2014CN103821513A 一种掘进机 One kind of boring machine
05/21/2014CN203603898U 一种薄煤层采煤机 Of a thin coal seam shearer
05/07/2014CN203584429U 防损坏驱动部件装置 Anti-corruption drive components of the device
05/07/2014CN203584428U 一种旋转运动转变为往复冲击运动设备 A rotary motion into reciprocating impact exercise equipment
05/07/2014CN103775080A 一种薄煤层无人工作面采煤机姿态角调整模型的构建方法 A thin seam shearer unmanned Face Attitude adjustment model construction method
04/2014
04/30/2014CN203570972U Electromechanical-hydraulic composite power transmission device for cutting part of coal mining heading machine
04/23/2014CN103742138A Coal mining and transporting integrated machine
04/23/2014CN103742137A Rocker arm damping device and coal mining machine
04/23/2014CN103742133A Drum type cutting tooth chain transmission shearer cutting part
04/23/2014CN102305068B Development machine
04/16/2014CN203547742U Telescopic part of heading machine
04/09/2014CN203531903U Guiding multipoint supporting reciprocating impactor device
04/09/2014CN103711486A Coal mining machine
04/09/2014CN103711485A Combined type pneumatic pick hung on I-steel support of coal mine
04/08/2014CA2828225A1 Determining milled volume or milled area of a milled surface
04/02/2014EP2712389A2 Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same
04/02/2014EP2712387A2 Apparatus for the milling cutting of rock, minerals or other materials
04/02/2014CN203515586U Telescopic type working arm of hair-prying trolley
04/02/2014CN203515585U Translation mechanism of hair-prying trolley working arm
04/02/2014CN203515583U Rotary mechanism of third working arm of hair-prying trolley
04/02/2014CN203515582U Control mechanism of hair-prying trolley operating tool
04/02/2014CN203515581U Swinging mechanism of hair-prying trolley working device
03/2014
03/26/2014CN203499684U Coal cutter rocker arm provided with plough plate
03/26/2014CN103670404A Method and decvie of operating a chian drive and chain clutch deivce
03/26/2014CN103670403A Forced lubrication system for cutting speed reducer of tunneller
03/25/2014CA2579772C A drive for a cutting or grinding machine
03/20/2014DE102012216673A1 Chain coupling structure for chain drive for driving underground mining equipment such as wood, has driven element and coupling housing which is provided with chain tunnel and several bars, and are hydraulically moved into chain tunnel
03/13/2014US20140070599 Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same
03/06/2014DE112012002135T5 Vorrichtung für die fräsende Bearbeitung von Gestein, Mineralien oder anderen Materialien Device for milling treatment of rock, minerals or other materials
03/05/2014CN103615247A Mining machine capable of compound rotary cutting
03/05/2014CN103615244A Cantilever excavator capable of controlling posture of cutting head
03/05/2014CN102644461B Double-motor U-shaped cutting portion of thin seam mining machine
03/05/2014CN102359373B Drum shearer cutting part
02/2014
02/26/2014CN203452782U Traction machine for coal miner
02/26/2014CN103603662A Coal cutter for thin coal layer
02/26/2014CN102635355B Cutting part of tunneling machine
02/19/2014CN203441490U Adjustable traction part of coal winning machine
02/13/2014WO2014023085A1 Multi-point guidance support method for reciprocating impact machine and reciprocating impact machine device having multi-point guidance support that implements said method
02/13/2014DE112012002132T5 Gewinnungseinrichtung zum Abbau von flözartig oder massiv abgelagerten mineralischen Materialien und Gewinnungsmaschine hierfür Obtaining means for reducing flözartig or solid deposited mineral materials and mining machine for this purpose
02/12/2014CN103573960A Electromechanical hydraulic hybrid power transmission device for cutting part of coal mining heading machine
02/05/2014CN103562496A Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same
02/05/2014CN103562495A Apparatus for the milling cutting of rock, minerals or other materials
02/05/2014CN103556995A Cantilever excavator
01/2014
01/15/2014CN203398915U Cutting motor for coal cutter
01/15/2014CN203394528U Rocker arm of coal mining machine
01/15/2014CN103510955A Inner spray waterway structure of development machine
01/15/2014CN102364048B Comprehensive mechanized rock roadway tunneling machine
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