挖掘机

Firstly this paper explores the main systerm modeling methods in hydraulic grab;then we focus the analysis on the kinematics and bear of the back shovel dig device, the request of the gig ability, the task efficiency , the endure intension; after that we creat a rational maths model and write a program to ananlysis the data acquired; finally, this paper gets the optimize parameter and scheme, and protracts the grab envelope chart.

论文首先对液压挖掘机主要系统建模方式进行探索，然后重点对反铲挖掘装置运动学及受力进行分析，分析反铲挖掘装置的挖掘能力要求、作业性能要求、作业效率要求、受力状态要求，进行运动学和动力学分析，创建合理的数学模型(设计变量、目标函数的确定)，利用合适的优化方法编写计算机程序，调试通过程序应用，最后对优化结果进行分析整理。

Well digging equipments, rock digging equipments, mining type pump ,wire rope , compressor, automobile drilling machine, anchor bolt trolley, concrete spurting machine; mining type elevating apparatus and integrated protection apparatus, elevating container, linking setting ,falling-proof setting, racing car protection setting, chain, supporting roller, belt conveyer, conveyer belt ,chain and flight machine, transshipping machine carry-scraper, excavator, automatic unloading machine and other non-track apparatus and track transporting apparatus; mining type winch, tramcar, heavy mining type transporting vehicle and various electronic weighting apparatus.

基建施工技术装备及提升、运输设备：凿井设备、凿岩设备、矿用泵、钢丝绳、压缩机、汽车钻机、锚杆台车、混凝土喷射机、矿用提升设备及综合保护装置、提升容器、连接装置、防坠器、跑车防护装置、链条、托辊、皮带运输机、输送带、刮板机、转载机、铲运机、挖掘机、自卸车等无轨设备及轨道运输设备；矿用绞车、矿车、重型矿用运输车辆及各种电子称重设备。

Water-cooled Screw series of hand-held air leg rock drill series-type rock drill boring Loader Series drilled more than 300 varieties, such as excavators.

水冷式螺杆系列手持式凿岩机系列气腿式凿岩机系列开凿装载机开凿挖掘机等三百多个品种。

Is a large-scale Sino-Japanese joint venture, since its establishment has been more than 10 years of professional engineering history, over the years, the company by virtue of technology, equipment, talent, experience and so many advantages, independent research and development and The excavator production standards and special extended arm, the arm, bucket, ring gear and hydraulic-driven, such as construction machinery spare parts, sold at home and abroad, influential in the industry.

广东东莞建华机械制造有限公司是一家大型的中日合资企业，自成立至今已有10余年专业制造工程的历史，多年来，公司凭借技术、设备、人才、经验等多方面的优势，自主研发并生产的挖掘机特种加长及标准大臂、小臂、铲斗、驱动齿圈及液压油缸等工程机械零配件，畅销海内外，在业内颇具影响力。

Ln this factory main production the small series jaw typebreaker,the hammer type breaker,the ball mill,mix thepytty to grind,v,the U minecar,the elevator,the conveyer and the correlation wea-resistngfitting and the mechanicai shovel,the excavator,the power shovel16

本厂主要生产中小系列鄂式破碎机、锤式破碎机、球磨机、混泥碾、V、U型矿车、提升机、皮带运输机及相关耐磨配件和铲车、挖掘机、电铲（16立方米、10立方米、4立方米）配铲尖、斗齿、斗提梁以及各种铸造磨球近120多个品种。

Company's existing range of pure imports of excavators and construction machinery machine and accessories, to design and manufacture a wide range of engineering machinery Hydraulic Component Test Bench; pressure tester; hydraulic system components and ancillary products and a wide range of engineering machinery dedicated demolishedè±.

公司现有各种纯正进口挖掘机及工程机械整机和配件，自行设计制造了多种工程机械液压元件试验台；压力测试仪；液压系统元件及辅助产品和多种工程机械专用拆卸的设备。

In 1998 and set up factories, specializing in the production of excavator bucket teeth, tooth Block series, loader-ho teeth, knives plate series.

福建省屏南县鼎兴合金钢铸业有限公司于1998年建厂，专业生产挖掘机斗齿、齿座系列、装载机镐牙、刀板系列。

With its range of large equipment and individual machines, such as bucket wheel excavators, spreaders and stackers, scraper reclaimers, bridge-type reclaimers, bucket wheel reclaimers and stacker-reclaimers, shiploaders and ship unloaders as well as crushing plants, hammer mills and ball mills, FAM delivers the vital "hearts" for bulk handling industry in mining industry, power plants, metallurgy, cement, building material, chemicals and fertilizer industry as well as for port handling.

产品范围包括大型机械产品与单一设备产品，如斗轮挖掘机、排土机与堆料机、刮板取料机、桥式取料机、斗轮式取料机和堆取料机、装船机、卸船机和各种破碎成套设备、锤式细碎机及球磨机。FAM公司拥有在矿山、电力、冶金、水泥、建筑材料、化学和化肥行业及港口等行业的散状物料输送系统的领先技术。

Construction Department: Bull Dozer, Excavator, Wheel Loader, Dump Truck, Crane, Roller, Grader, Concrete Paver, Asphalt Paver, Cement Mixing Plant, Asphalt Mixing Plant, Mining Machine, Road Cleaning Machine, Engine, Generator,etc, Whole Plant and Spare Parts

工程机械部：推土机、挖掘机、装载机、自卸车、吊机、压路机、平地机、水泥摊铺机、沥青摊铺机、水泥混凝土搅拌站、沥青混凝土搅拌站、路面铣刨机、路面清扫车、发动机、柴油发电机组之整机及零配件。

Mechanical Engineering Department: bulldozers, excavators, loaders, dump truck, crane, rollers, the ground plane, cement paver, asphalt paver, concrete mixing plants, asphalt concrete mixing stations, road milling machine, cleaning the road Vehicles, road maintenance equipment, the machine and engine parts.

工程机械部：推土机、挖掘机、装载机、自卸车、吊机、压路机、平地机、水泥摊铺机、沥青摊铺机、水泥混凝土搅拌站、沥青混凝土搅拌站、路面铣刨机、路面清扫车、路面维护设备、发动机之整机及零配件。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。