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)
05/2014
05/21/2014CN203603907U 掘进机超声雾化振旋降尘装置 TBM ultrasonic atomizing device vibrating spin dust
05/21/2014CN203603906U 机械自复位闸门 Mechanical self-reset gate
05/21/2014CN203603905U 防矸装置及采煤系统 Anti-coal gangue devices and systems
05/21/2014CN203603904U 一种采煤机俯仰开采用自动翻转式制动架 One kind Shearer pitch flip-open automatic brake frame
05/21/2014CN203603903U 一种采煤机防滑电缆夹板 One kind of slip Shearer cable clamp
05/21/2014CN203603899U 硬岩型大坡度掘进机 Hard Rock TBM type large slope
05/21/2014CN203603183U 一种轮胎滑移式扒渣机 A tire skid-slag machine
05/21/2014CN103806913A 一种高压水射流辅助掘进机截割机构 A high-pressure water jet assisted Roadheader agency
05/21/2014CN103806912A 掘进机用防碰控制系统及方法 Roadheader with anti-collision control system and method
05/21/2014CN102494117B 采煤机截割部齿轮传动腔的内冷却器装置 Shearer cutting unit gear chamber cooler device
05/20/2014US8727451 Rotatable grading pick with debris clearing feature
05/20/2014CA2621183C Arrangement for extracting extraction products in underground mining in caving
05/15/2014WO2014072345A1 Pick tool assembly and method of using same
05/14/2014EP2729666A2 Chisel holder for a soil treatment machine
05/14/2014EP2729665A2 Pick assembly with a contiguous spinal region
05/14/2014EP2729629A1 Drag head and trailing suction hopper dredger
05/14/2014CN203594451U 悬臂式掘进机 Roadheader
05/14/2014CN203594450U 煤矿采矿机启动系统 Mine mining machine to start the system
05/14/2014CN103797214A 用于挖掘工具的尖头和包括该尖头的挖掘工具 For mining tools, including the pointed tip and mining tools
05/14/2014CN103790585A 全液压多功能耙斗装岩机 Full hydraulic multifunctional scraper rock machine
05/13/2014CA2743275C Electric mining shovel saddle block assembly with adjustable wear plates
05/07/2014EP2726711A2 Extracting mined ore, minerals or other materials using sensor-based sorting
05/07/2014CN203584430U 新型采煤机控降尘装置 The new dust control equipment Shearer
05/07/2014CN103781968A 耙头及耙吸式挖掘船 Rake head and trailing suction dredge
05/07/2014CN103775083A 一种与综掘机同步移动除尘净化空气系统 One kind of synchronization with mobile dust Digging Machine air purification system
05/07/2014CN103775082A 新型薄煤层重叠侧卸式结构 The new thin seam overlap Dropside structure
05/07/2014CN103775081A 一种掘进打窝用挖机 One kind of boring play nest with a digging machine
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
05/07/2014CN103770071A 井下采煤机滚筒拆装工艺 Underground shearer drum disassembly process
05/07/2014CN102589514B 掘进机位姿参数测量装置及其方法 TBM position and orientation parameter measurement device and method
05/06/2014CA2578432C Steerable conveyor with height adjustable wheels
05/01/2014US20140117741 Chisel Holder For A Soil Treatment Machine
05/01/2014US20140117740 Cutting tip and cutting bit having increased strength and penetration capability
04/2014
04/30/2014CN203570312U Cutting pick of integrated coal mine excavator
04/30/2014CN103763522A System and method for data transmission of low coal seam fully mechanized coal mining face
04/30/2014CN103758517A Mineral automatic horizontal lying digging bottom clearing machine and use method thereof
04/30/2014CN103758516A Loading mechanism of development machine
04/30/2014CN103758515A Crawler type self-moving machine tail
04/29/2014US8708421 Method for producing a face opening using automated systems
04/29/2014DE202014002383U1 Führungsstück für einen Gewinnungs- oder Kohlenhobel Guide piece for an extraction or coal plow
04/24/2014US20140110991 Combination Polycrystalline Diamond Bit and Bit Holder
04/24/2014DE102005041509B4 Schneidwerkzeug mit Düse für das Aufsprühen von Wasser auf einen Schneidmeißel Cutting tool with nozzle for spraying water on a cutting bit
04/23/2014CN103742471A Rock drilling machine anti-clamping system
04/23/2014CN103742142A Integrated real-time monitoring system of excavating equipment
04/23/2014CN103742141A Support part damping device and coal mining machine
04/23/2014CN103742140A Precisely positioned coal mining machine and positioning method thereof
04/23/2014CN103742139A Brake control system for coal mining machines
04/23/2014CN102587911B Tunneling control system and method for tunneling machine and tunneling machine
04/23/2014CN102261243B Supporting structure used for replacing plow head and sliding shoe of coal plough
04/17/2014WO2013110510A3 Pick tool and assembly comprising same
04/17/2014CA2829580A1 Horizontally rotatable multi-knuckle boom
04/16/2014CN203548679U Damping device and mounting structure of fault diagnosis tester for electric haulage coal shearer
04/16/2014CN203548487U Height adjusting cylinder anti-backing assembly
04/16/2014CN203547799U Signal relay device and electric traction coal mining machine fault signal transmission system
04/16/2014CN203547794U Anti-explosion operation box and fault diagnosis device for electric traction coal cutter
04/16/2014CN203547751U Automatic atomizing control device of heading machine
04/16/2014CN203547750U Corner caving hydraulic small belt
04/16/2014CN203547749U Variable-width shovel plate of heading machine
04/16/2014CN203547748U Shovel plate star wheel driving device in heading machine
04/16/2014CN203547747U Positioning device for tooth holder of coal-cutter roller
04/16/2014CN203547746U Milling cutter for mining
04/16/2014CN203547745U Temporary support device of heading machine
04/16/2014CN203547744U Coal cutter with large dip angle and anti-skid device of coal cutter
04/16/2014CN203547743U Protection device for flexible pipeline in driving and bolting machine
04/16/2014CN203547742U Telescopic part of heading machine
04/16/2014CN203547739U Combined rock drilling unit
04/16/2014CN203547738U Coal cutter with overall ply rocker arm
04/16/2014CN103732860A Cutter tool
04/16/2014CN103726843A Charging mechanism of blasting mining face
04/16/2014CN103726842A Adjusting yoke for miniature underground coal mining machine
04/16/2014CN102359376B Air curtain and water mist linkage dust settling method for full mechanized workface
04/16/2014CN102200023B Mine coal mining machine dust source tracking dust settling equipment and control method thereof
04/10/2014US20140097665 Determining milled volume or milled area of a milled surface
04/09/2014CN203531910U Handpiece supporting device of reversed loader
04/09/2014CN203531909U Novel flat pick
04/09/2014CN203531908U Anti-corrosion mining cutting tooth of mining machine
04/09/2014CN203531907U Cutting tooth
04/09/2014CN203531906U Guiding device for shoveling remaining objects on pin track of conveyer for bridge type coal cutter
04/09/2014CN203531905U Reverse-installation type toothed rail middle groove
04/09/2014CN203531904U Cooling and pressurizing system of coal cutter
04/09/2014CN203531903U Guiding multipoint supporting reciprocating impactor device
04/09/2014CN203531902U Two-piece type vibratory ore drawing hopper with adjustable height
04/09/2014CN203531901U Multi-functional hydraulic rock drilling shoveling device
04/09/2014CN203531899U Step-tooth reciprocating impacting excavator
04/09/2014CN203531898U Reciprocating impacting excavator with discharging hole for discharging
04/09/2014CN203531897U Impact device for increasing correcting impact strength
04/09/2014CN203531896U Multilayer impacting head excavation device
04/09/2014CN103711487A Rock drilling rig and method of positioning rock drilling unit
04/09/2014CN103711485A Combined type pneumatic pick hung on I-steel support of coal mine
04/08/2014US8690260 Mining machine automation
04/03/2014WO2014049162A2 Strike tip for a pick tool, assembly comprising same, method of making same and method for using same
04/03/2014WO2014023086A3 Impact head-centralizing method by means of heightening and/or widening back recess and a device for centralizing impact head by means of heightening and/or widening back recess that implements said method
04/03/2014WO2013053814A3 Shank tool
04/03/2014WO2013053813A3 Securing element for a shank tool
04/03/2014WO2013053811A3 Shank tool and holder
04/02/2014EP2713002A1 Rock drilling rig and method of positioning rock drilling unit
04/02/2014EP2712389A2 Mining installation for extracting seam-type or mass-deposit mineral materials, and mining machine for the same
04/02/2014EP2712388A2 Apparatus for the milling cutting of rock, minerals or other materials
04/02/2014CN203515641U Adhesive tape transport tunnel infrared control spray dust collector
04/02/2014CN203515593U Negative-pressure atomization secondary dust-settling device for coal mining machines
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