Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21C - Mining or quarrying › E21C 47 - Machines for obtaining, or the removal of, materials in open-pit mines
Patents for E21C 47 - Machines for obtaining, or the removal of, materials in open-pit mines (773)
12/2012
12/26/2012CN202628100U Water jet cutting support device for open pit coal mine plant
12/19/2012CN202611704U Star-shaped wheel type mechanism for cutting, slotting and raking bottom layer of ore rock
12/19/2012CN202610692U Milling rotor
12/19/2012CN102828754A Environment-friendly high-pressure quarrying machine and environment-friendly quarrying process
12/19/2012CN102086766B Drilling machine tool special for opencast mining rotary drill rig and using method thereof
12/13/2012WO2012135063A3 Tail drive assembly
12/12/2012CN202596732U Chained mechanism for cutting, slotting and raking bottom layer of ore rocks
12/12/2012CN202596731U Strip mining machine for mine
12/12/2012CN102022117B Double-assembly adjustable pitch mine quarrying machine
11/2012
11/28/2012CN202560233U Vertical transportation structure for gravel aggregate semi-finished products
11/28/2012CN202560232U Rear-mounted anchoring guider in hole
11/28/2012CN102797466A Vibration analysis method for haulage equipment in strip mines based on in-phase graphic analysis technology
11/15/2012WO2012153755A1 Power management system for mining
11/15/2012WO2012152674A1 Method for detecting and tracking the position of a movable transferring device/loading device of a bucket-wheel excavator or bucket chain excavator
11/15/2012CA2833999A1 Method for detecting and tracking the position of a movable transferring device/loading device of a bucket-wheel excavator or bucket chain excavator
11/15/2012CA2833138A1 Mine power management system
11/14/2012CN102777184A Mining system and method of mines
11/07/2012CN101943000B Method for ore removal by explosion strength transporting
10/2012
10/24/2012CN202500566U Strip mine shovel mining dust fall device
10/24/2012CN102748029A Segmented mining method
10/17/2012CN102733809A Coal mining method for recovering open-pit coal mine end slope coal
10/17/2012CN102733808A Method for stoping pit-closed surface mine ore
10/17/2012CN102733807A Diesel-power full-hydraulic continuous stripping machine
10/10/2012CN202486565U Circular disc type sand rock quarrying machine control system
10/10/2012CN202483577U Double-disc type mine block saw cutting machine control system
10/10/2012CN202483576U Optional position waste rock unloading device for waste unloading vehicle
10/04/2012WO2012135063A2 Tail drive assembly
09/2012
09/26/2012CN102691503A Strip mining machine for mine
09/19/2012CN102678125A Sawing wire cutter for cave mining of mineral materials and cave mining method for mineral materials
09/12/2012CN102663953A Simulation experiment table and method for open-pit mine
09/05/2012CN202417504U Material loading machine
08/2012
08/30/2012WO2012113542A1 Bucket-like digging tool for excavators or reclaiming appliances
08/22/2012CN202391362U Cup type drill pipe rack arranged on rotary drill
08/08/2012EP1776298B1 Conveyor belt and conveyor comprising said belt
08/01/2012CN202360102U Raise transportation anti-chain-rupture anti-slide-down device for scraper conveyor
08/01/2012CA2766598A1 Rope shovel with curved boom
08/01/2012CA2765977A1 Boom sheave with tubular reinforcing members
07/2012
07/25/2012CN202347567U Circular tube type tipping-bucket extension sliding rail mechanism
07/25/2012CN202347564U Four key slot hopper extending slide rail
07/25/2012CN202347563U Dual-governing and double-rail type hopper extension sliding-rail
07/25/2012CN202347561U Simple shovel bucket expanding slide rail
07/25/2012CN202347558U Monotonic key groove hopper extension sliding rail
07/25/2012CN102606161A Outdoor underground three-period mining method of inclined, thick and large mineral deposit
07/18/2012CN101988386B Quarrying and plate cutting machine for mine
07/11/2012CN202325522U 装矿机 Loading mining machine
07/11/2012CN102562071A Mining technology for inclined orebodies in opencast mines
07/11/2012CN102562070A Process and system for striping and mining solid ore rock masses of surface mine
07/05/2012DE102011000017A1 Mobile crusher plant has base structure, which is arranged on chassis and incorporates feed bunker, feed unit, crusher and discharge boom
07/05/2012DE102011000015A1 Mobile Brechanlage Mobile crushing plant
07/04/2012CN102536245A Method for calculating bottom width and mining depth of open-pit mining for large and thick ore body
07/04/2012CN101266123B Crushing station pit digging method
06/2012
06/13/2012CN102493807A Material loader
06/07/2012WO2012073950A1 Method of controlling travel within travel system for unmanned vehicle and travel system for unmanned vehicle
06/07/2012CA2793059A1 Method of controlling travel within travel system for unmanned vehicle and travel system for unmanned vehicle
06/06/2012CN101761339B Gapless driving device of quarrying machine
06/06/2012CN101311496B Mining and cutting method for mine and equipment therefor
05/2012
05/30/2012CN202248033U Electric shovel slewing area monitoring device
05/09/2012CN202215250U Stone miner
05/03/2012WO2012058489A1 Excavator dump range extender
05/02/2012CN102434163A Method for mining coal through comprehensive mechanized solid filling
05/02/2012CN101793151B Vertical lifting cutter for mine stones
04/2012
04/19/2012WO2012048397A1 Reclaimer machine
04/19/2012CA2814778A1 Reclaimer machine
04/18/2012CN102418529A 开采矿山的方法 Mining Mining Method
04/04/2012CN102400688A 一种环保节约的浅埋急倾斜薄矿脉无剥离露天采矿方法 An environmentally friendly conservation Shallow steep thin veins without peeling open pit mining method
03/2012
03/28/2012CN202176333U 双滑道立柱采石机头 Double slide column quarrying head
03/28/2012CN202176332U 一种矿山机角轮座结构 One kind of mining machine angular wheel seat structure
03/28/2012CN202176331U 松掘机 Pine digging machine
03/21/2012CN202170981U 采石机变速主轴箱 Quarry machine speed headstock
03/21/2012CN102383802A Loose excavator
03/14/2012CN202164647U 立式矿山扒渣装载机升降驱动齿轮合机构 Mine slag vertical lift loader drive gear mechanism
03/07/2012CN202157365U 立式矿山扒渣装载机铲斗的延伸滑轨 Vertical mine slag extends slide loader bucket
03/07/2012CN202157364U 立式矿山扒渣装载机的铲斗机构 Vertical mine slag bucket loader mechanism
02/2012
02/29/2012CN202152470U 立式矿山扒渣装载机铲斗的斜面延伸滑轨 Vertical mine slag slope extends slide loader bucket
02/29/2012CN202152469U 一种带滑槽的升降主架 A tape chute lifting the main frame
02/02/2012WO2012013134A1 Quarrying machine having staggered dual blades for mining
02/01/2012CN102337894A Ore loading machine
01/2012
01/19/2012DE102010014649A1 Selbstfahrender Oberflächenfräser mit elektrischem Fräswalzenantrieb Self-propelled surface cutter with electric milling drum
01/18/2012CN202117674U Continuous miner of open coal mine with roller laterally arranged
12/2011
12/29/2011DE102010035214B3 Auf einem Raupenfahrwerk verfahrbarer Kompaktabsetzer On a crawler track movable Kompaktabsetzer
12/29/2011DE102010025059A1 Giant bucket wheel excavator, has chassis comprising two controllable crawlers only to left of swivel middle part and uncontrollable crawler under supporting disk of sub-structure in direction of bridge support
12/28/2011CN202090921U 矿用电铲故障诊断及计量无线远程监控装置 Electric mining shovels troubleshooting wireless remote monitoring and metering devices
12/28/2011CN101899976B 露天煤矿的连续采煤工艺方法 Continuous process for surface coal mining
12/21/2011CN202081892U 刀具夹持器、基座和工具结构 The tool holder and tool base structure
12/14/2011CN202075586U 矿山采石机控制系统 Mining Quarrying machine control system
12/14/2011CN202073567U 四立柱矿山采石机 Four pillar mining quarrying machines
12/14/2011CN102278115A 一种不规则条带状分布贫薄浅埋矿层的高效安全环保开采方法 Efficient and environmentally safe mining methods an irregular distribution of poor strip of thin seam Shallow
12/07/2011CN102269258A 采石机变速主轴箱 Quarrying machine speed headstock
12/07/2011CN101328810B 用于切割或铣削的自行机器 For cutting or milling machine itself
11/2011
11/23/2011CN202047821U Chassis of mine quarrying machine
11/16/2011EP1796842B1 Method and apparatus for open pit bench mining
11/09/2011CN102239008A Mobile crusher
10/2011
10/20/2011WO2011130690A1 Method for continuous operation of a surface miner
10/13/2011DE102010014644A1 Selbstfahrende Arbeitsmaschine mit elektrischem Antriebssystem sowie Verfahren zum Betreiben einer solchen Self-propelled machine with electric drive system and method for operating such
10/12/2011CN202007669U Chassis-free mine quarrying machine
10/12/2011CN102213174A Self-propelled working machine with electrical drive system and processes for operating the same
10/12/2011CN102213097A Self-propelled surface milling machine with electrical mill roll drive
09/2011
09/29/2011WO2011116424A1 Pumping coarse ore
09/29/2011CA2793866A1 Pumping coarse ore
09/28/2011CN102203380A Method and apparatus for processing a sized ore feed
1 2 3 4 5 6 7 8