太重WYD260型液压挖掘机

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查看11063 | 回复7 | 2011-12-13 20:22:49 | 显示全部楼层 |阅读模式
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使用条件—WYD260液压挖掘机主要用于各种大型露天矿山的采掘和剥离作业,适合挖掘较松散的物料,更适合采煤作业,与90~136t大汽车配套使用。

驱动方式:电动机-联轴器-分动箱-泵-执行元件。

主要特点 (Main Features)
独立的闭式回转回路系统 Separate closed-loop swing circuit
极限功率控制 Ultimate power control
电液伺服控制Electronic-hydraulic servo control
自动集中润滑系统Central lubrication system
低合金高强度钢板焊接的结构件The structural parts is welded of steel plate that is low alloy and high strength
宽敞舒适的司机室Operate’cab that is commodious and comfortable


基本参数(General Data)
工作重量Swing gearbox
270t
标准斗容(正铲,SAE2:1)
15m3
电机额定输出功Electric motor output power
1000kW
接地比压Ground pressure
225MPa

主要尺寸(General Dimensions)
A ---------------------------------------------------------- 6100mm
B ---------------------------------------------------------- 7900mm
C ---------------------------------------------------------- 9155mm
D ----------------------------------------------------------6900mm
E ----------------------------------------------------------2800mm
F ---------------------------------------------------------- 6055mm
G ----------------------------------------------------------2800mm
H ------------------------------------------------------------------5555mm
I ------------------------------------------------------------------- 6985mm
J ------------------------------------------------------------------ 2060mm
K ------------------------------------------------------------------1010mm
L --------------------------------------------------------------------780mm
M ------------------------------------------------------------------6100mm
N------------------------------------------------------------------ 7950mm

电动机 Electric Motor                                             
类型 Type               
鼠笼式异步电机Squirrel cage induction motor
额定输出功率Output Power
1000kW
电压Voltage
AC6000V
输出转速Output Revolutions
1490 r/min

液压系统 Hydrailic System
主泵 Main Pumps
4台变量柱塞泵
4×Piston variable pump
最大流量 Max. oil flow
4×733L/min
最大工作压力(工作机构)
Max. working pressure,attachment
330bar
最大工作压力(行走机构)
Max. working pressure,travle
330bar
回转泵Swing pumps
2 x Piston variable pump
最大流量Max. oil flow
2 x 400 L/min
最大工作压力
Max. oil f owMax. pressure, swing circuit
320 bar
液压油总容积Total volume of hydraulic oil
约3500升 Approximately 3500L
液压油箱容积Hydraulic tank capacity
约2500升 Approximately 2500L
过滤器 Filters
回油过滤,每个主泵有一个高压过滤器
Filtration of entire return flow,1 high pressure filter for each main pump
●电子载荷控制 Electronic load limit control
●根据操作手柄位置调节主泵流量   Flow on demand from main pumps depending on joystick position
●不需要时可将主泵(或回转泵)调节至零排量
Automatic regulation of main pumps(or Swing pumps) to zero fl ow without demand
●液压油和电动机升高到一定温度时,可以减小主泵的流量
Reduced oil fl ow of main pumps at high hydraulic oil temperature or at high engine temperature
●主泵带压力切断控制Pressure cut-off for main pumps

液压油冷却系统Hydrailic Oil Cooling System
冷却泵Cooling pumps
2 x 200 l/min
风扇直径Diameter of fans
2 x 1220 mm
●主回路采用回油冷却 Cooling when the main circuit return flow
●变量轴向柱塞泵为风扇马达提供低流量高压液压油
Variable axial piston pumps supplying low volume high pressure oil to fans’ motor
●风扇转速根据液压油温自动调节 Automatic regulation of fans speed based on hydrailic oil temperature
●极高的冷却效率以确保最佳的油温  Extremely high cooling efficiency to ensure optimum oil temperature

回转机构Swing System
回转减速机Swing gearbox
2台行星齿轮箱 2 planetary reduction gears
回转马达Swing motor
2 axial piston motors
停车制动
Parking brakes
液压释放,弹簧式、多片盘式制动器
hydraulically released , multiple disc brake, spring loaded
回转支承
Swing ring
带内齿的三排滚柱式回转支承
Triple race roller bearing withsealed internal teeth
回转速度Swing speed
0-4.0 rpm
回转扭矩Swing torque
950kNm
●闭式回转回路 Closed-loop swing circuit
●回转时,采用打反车制动Hydraulic braking of the swing motion by counteracting control
●回转支承的辊道和内齿采用自动集中润滑系统,内齿采用了回转小齿轮润滑。
All race ways of swing ring as well as grease bath for internal tooth supplied by automatic central lubrication system,there are 2 gearing for lubricating internal tooth of swing ring

行走机构Undercarriage
行走速度Travel speed
0—2.2km/h /0—1.7 km/h
最大牵引力Max. tractive force
1530 kN
爬坡能力Gradability
约41%  Approximately 41 %
行走减速机Travl gearbox
2台行星齿轮箱 2 planetary reduction gears
行走马达Travlel motor
两侧各两个轴向柱塞马达2 x 2 axial piston motors
停车制动
Parking brakes
液压释放,弹簧式、多片盘式制动器
Hydraulically released , multiple disc brake, spring loaded
履带张紧机构
Track tensioner
带蓄能器和张紧油缸,可对履带进行自动张紧,同时有缓冲作用。
Fully hydraulic self-adjusting track tensioning system with accumulator,can take cusion effect。
履带板track pads(each side)
49
支重轮Bottom rollers (each side)
8
托链轮suporting rollers (each side)
3
●所有驱动轮、支重轮和托链轮的运行表面均经过强化处理
All running surfaces of driving wheels, Bottom rollers, suporting rollers and pad links as well as teeth contact areas of sprocket and pad links are hardened
●履带张紧系统带缓冲回路,有效保护机械结构Track tensioning system with cusion circuit,protect machine
●行走马达带制动阀,防止下坡时溜车
travel motor with braking valves can prevent overspeed on downhill travel

司机室Operator’s Cab
驾驶员视线高度
6.9m
驾驶室内尺寸(长x宽x高)
2.6mx1.8mx2.5m
机械浮动式可调座椅,前后上下均可调 Mechanical floating seat,is adjustable both height,fore-and-aft
操作手柄控制器、操作台与座椅集成到一起Joystick controls and operation board integrated with seat
配有可折叠的辅助座椅 With fold-away auxilliary seat
整体的落物保护装置FOPS integrated into cab structure
冷暖两用空调 Air-condition that can refrigerate and heat
配有雨刷器和窗帘 Wiper and blind at the windshield
配有显示器,可对电动机、液压系统进行监控,还有状态显示和故障显示功能
Displayer can monitor electric motor and hydraulic system,can display working state and trouble

工作装置Attachments
动臂和斗杆采用低合金高强度钢板焊接的箱型结构,抗扭作用好
Boom and arm are torsion resistant, welded box design by low alloy and high strength steel plate
焊接完毕后,动臂和斗杆采用整体退火 Deal with the boom and arm by post annealing
动臂和斗杆的销轴两端了防尘圈 Shields are fixed on both side of the boom and arm
通过再生阀可使动臂和斗杆采用能量再生 Energy of boom and arm can be recovered by regenerate valve
铲斗采用组合斗齿 Bucket use assembled teeth
铲斗和斗杆油缸末端均有限位开关 Position limit switch are fixed at endmost position of shovel and arm cylinders

自动集中润滑系统Central Lubrication System
润滑站的油脂桶容量Capacity of lubricating oil tank
200L

油泵Grease Pumps
液动润滑泵 Flowmaster. rotary driven hydraulic pump
润滑点的间歇时间和润滑时间可以调节Lubrication time and intermission of lubrication point is adjustable

作业轨迹图(Working Diagram)


工作范围(Working Range)
最大挖掘半径 Max.digging reach
15.4m
最大挖掘高度 Max.digging height
15.5m
最大挖掘深度 Max.digging depth
4.2m
最大卸载高度 Max.dumping height
10.9m
最大平推半径 Max.digging reach at ground level
14m
铲斗打开宽度 Bucket opening width
2.6m


挖掘力(Digging Forces)
最大挖掘力 Max.breakout force
1000kN
最大推压力 Max.crowd force
1045kN
水平最大推压力Max.breakout force at ground force
880kN

平台布置(Layout on platform)

1
润滑脂站Lubricator
2
分动箱冷却器 Cooler of  Splitterbox
3
电动机 Electric Motor
4
分动箱Splitterbox
5
泵单元Pumps
6
液压油箱Hydraulic Tank
7
液压油冷却器Hydraulic Oil Coolers
8
回转减速机Swing Gearboxs
9
滑环和回转接头
Hydraulic and Electric Rotary Connection
10
司机座椅Operator’Seat
11
控制面板Control Panel
12
高压柜 High Voltage Compartment
13
主阀单元Main Vavles
wyd260-1.jpg 2011102509275571464.jpg

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游客| 2011-12-14 22:29:07
国内有在用的吗??
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dingbailei1983 | 2011-12-15 14:59:49 | 显示全部楼层
太重什么时候出液压铲了?:)
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gaosenjt | 2011-12-15 19:32:06 | 显示全部楼层
国产的大型液压铲,难得啊,~~~
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尘封Dè眷恋 | 2011-12-19 18:41:47 | 显示全部楼层
漂亮啊!!!!!!!!:)
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游客| 2012-2-16 14:47:30
这挖机要司机不
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你是大笨蛋 | 2012-3-1 12:20:18 | 显示全部楼层
..................不怎么敢相信啊.......
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公路散货轮 | 2012-3-28 16:02:19 | 显示全部楼层
能用么?   用的了好久    会经常修么?    干两天   修一个星期?
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