Mainframe Hinge Point
Designed to handle the higher installed power Robust Hinge Point 215mm dia Full face support for modular Downdrives
为适应更高装机 功率水平而设计 高强铰接点， 215 mm 的孔直径 on EL3000
Australia
Belarus
澳大利亚
白俄罗斯
10
14
China
Russia Hungary
中国
匈牙利
8
1 1
Poland
UK USA
波兰
英国 美国
7
2 3
TOTAL
总计
46
Australian Longwall Performance
Facts: 1. DBT Australian Shearers Produced 37,787,840 tonnes of coal in 2003/04 2. DBT Shearers Produced 57% of ALL Australian Longwall Coal in 2003/04 3. Since 1992 DBT Shearers have produced 295 Mt of Coal in Australia 4. DBT shearers have produced more coal in Australia than all other competitors combined
EL3000 DOUBLE ENDED RANGING DRUM SHEARER 双端摇臂滚筒采煤机
ENERGY COMPANY LIMITED 国投新集能源股份有限公司
DBT Global Shearer Locations
Electra Shearers Operating Worldwide 2003 2003年世界范围内Electra采煤机应用情况
Proven Productivity…World Wide
DBT Electra EL3000型
The EL3000 shearer incorporates the following key features:
EL3000采煤机有以下关键技术特点
Unique mainframe design providing maximum 独特的主机架设计, 能在恶劣采矿条件下提 structural integrity, longevity and reliability in the 供最佳的结构整体性, 长寿命和可靠性。 toughest mining conditions. Fully modular construction for rapid longwall installation and salvage, combined with minimised cost of ownership. Fully proven onboard AC high performance haulage system, up to 2 x 125 kW. Easily configurable to maximise performance from different applications, and seam heights. 全模块式结构, 可保证快速安装和维护, 并 且产生的费用最低。 充分证实成熟的机载高性能交流牵引系统， 功率达2 x 125 kW。 根据不同的使用条件和煤层厚度可很容易 地配置成最佳适应性能。
DBT ELECTRA SERIES MODULAR CONSTRUCTION DBT公司ELECTRA系列模块构成
Electra Shearer Modular Design DBT公司ELECTRA系列模块构成
Robust Design for Tough Conditions Reliable Construction 适应艰苦作业条件的坚固设计 可靠的结构
高达25.5 米/分高速牵引能力，便于灵活选 择开采方法 成熟的自动控制，数据传输和工作面自动 化系统 全面的系统状况显示和诊断系统
极好的的过煤断面和清理性能
最大的生产潜力，装机功率可达1990 kW 最佳可靠性设计
EL3000 Shearer Specification EL3000 型采煤机主要规格参数
Ranging Arm Attachment
Customer Specific Mainframe
Face side steering Face Side Shoe Post
Face Side Steering Capability
Face Side Shoe Post
Locked if not required
Modular Units
Rapid Installation
模块单元
快速安装
Mainframe 主机架
EL3000 Mainframe 主机架
Major Advantages: Simple cast and fabricated structure Houses all the major units of the shearer Electrical Control and Monitoring Module(s) Auxiliary Power Pack Module Haulage Modules Gearboxes and electrical boxes are not subjected to haulage and cutting forces in the mainframe 主要优点 简单的铸焊结构 给主要部件提供独立机位 电控模块和监视模块 辅助动力模块 牵引模块 减速器和电控箱不受主机架 牵引和截割力的影响
Major Advantages: Lower top of machine on gob side by 200mm
主要优点 构???
Lower The Centre of Gravity
Reduce Ranging Arm Angle Increase in both Tunnel area & Aperture to handle lumps Ram more accessible, No damage from lumps on AFC Option of adding top guards and mounting water material under them Disadvantages
Ranging Arm Testing
Ranging Arm Load Testing
High Powered Ranging Arm 型大功率摇臂结构示意图
DBT EL3000 750 kW@50hz
High Pow结构示意图
Coalsizer 破碎机
Customer Specific Design 按用户要求设计
100 mm Plate For Hard Conditions
100mm
Mainframe For Thick seams
EL3000
EL3000 Top Ram Option
EL3000 Top Ram Option
EL3000 Top Ram Option
Haulage pull–up to Pump motor
Machine weight-appox. Operating voltages
牵引力-可达 泵电机-可达
机器重量-约 工作电压
1000kN 40kW
100 tonnes /公吨 3300 V
Electra Component Build Electra采煤机的部件构成
DBT Electra EL3000型
High speed haulage capability up to 25.5 m/min for flexible mining systems Proven auto steering, data transmission and face automation systems Comprehensive, health monitoring and diagnostic facilities. Excellent tunnel profile and clearance. Maximum production potential, up to 1990 kW installed power. Designed for maximum reliability.
Electra EL43A Ranging Arm Electra EL44B型摇臂
EL43A Ranging Arm MAIN FEATURES: Available drum speeds (see chart) Square drum hub Cutter Drum Dia. 1.8m – 3.0m Accepts EL44A, EL44B, & EL44C cutter motors Facility for oil temperature monitoring Optional dust suppression systems Integral water cooling Non-handed 主要特点 适用滚筒速度（见表） 方形滚筒毂 滚筒直径1.8m – 3.0m 可适用EL44A、EL44B 和EL44C截割电机 油温监控装置 可选控尘系统 整体水冷 无偏手性摇臂
位???
块 辅??? 牵??? 减??? ???
Ram potentially more vulnerable to lumps from roof
Face side of mainframe higher