ng>nt color="#ff0000">EC40液壓挖掘機概述nt>ng>
ng>EC40液壓挖掘機是我公司在消化吸收國內外同類產品先進技術的基礎上，開發的新型挖掘機產品。為保證產品的可靠性，該機配套件采用國際優化配套，主要配套件采用世界名牌產品，提高瞭整機可靠性；采用先導控制的操縱系統，操作輕便、靈活。該機外形美觀大方，作業效率高，產品技術達到國內領先水平。ng>
- ng>流線型外觀設計，整機外形美觀大方ng>
- ng>舒適的操作環境——低噪音化、符合人機工程學的駕駛室ng>
- ng>高效低耗的發動機ng>
- ng>可靠的電子監測裝置ng>
- ng>可靠的主要零部件ng>
ng>表1技術性能參數ng>
產品型號
EC40
|
整機工作質量
3760kg |
鏟鬥容量
0.14m3 |
性
能工 作 范 圍 | 最大挖掘深度 | 3680mm |
| 最大垂直壁麵挖掘深度 | 2850mm |
| 挖出2.5m水平麵時的挖掘深度 | 3214mm |
| 最大挖掘半徑 | 5840mm |
| 地麵最大挖掘半徑 | 5670mm |
| 最大挖掘高度 | 5130mm |
| 最大卸載高度 | 3465mm |
| 鏟鬥最大挖掘力 | 23.5kN |
| 鬥桿最大挖掘力 | 20.4kN |
| 回轉速度 | 14rpm |
| 行走速度（高速/低速） | 4.5/2. 8km/h |
| 爬坡能力 | 35° |
| 接地比壓 | 32.2kPa |
尺
寸總長度 | 5430mm |
| 總寬度 | 1650mm |
| 履帶軸距 | 1710mm |
| 總高度（運輸時至駕駛室頂） | 2440mm |
| 動臂頂高度（運輸時） | 1900mm |
| 配重離地高度 | 596mm |
| 最小離地高度 | 350mm |
| 尾部回轉半徑 | 1470mm |
| 履帶長度 | 2200mm |
| 履帶軌距 | 1300mm |
| 履帶寬度 | 300mm |
| 發動機罩高度 | 1430mm |
ng>表2 主要部件技術規格ng>
ng>發ng>
ng>動ng>
ng>機ng>
ng>型號ng>
ng>YC-N490ng>|
| ng>型式ng> | ng>水冷式、直噴式ng> |
| ng>缸數-缸徑×行程ng> | ng>4×90mm×95mmng> |
| ng>活塞排量ng> | ng>2.417Lng> |
ng>性ng> ng>能ng> | ng>飛輪功ng> | ng>28kW（在2200r/min）ng> |
| ng>最大扭矩ng> | ng>139.7N.m（在1650r/min）ng> |
| ng>最高空轉轉速ng> | ng>2400r/minng> |
| ng>最低空轉轉速ng> | ng>750r/minng> |
| ng>最低燃油消耗量ng> | ng>282.9g/kW.hng> |
| ng>起動馬達ng> | ng>24Vng> |
| ng>發電機ng> | ng>24Vng> |
| ng>蓄電池ng> | ng>2×12mmng> |
ng>行走系ng>
ng>托鏈輪ng> | | ng>每側1個ng> |
| ng>支重輪ng> | | ng>每側4個ng> |
| ng>橡膠履帶ng> | | ng>300×86×55ng> |
ng>液ng>
ng>壓ng>
ng>系ng>
ng>統ng>
ng>液壓泵ng> | ng>類型×數量ng> | ng>斜盤式變量軸向柱塞泵×1ng> |
| ng>流量ng> | ng>130L/minng> |
| ng>設定壓力ng> | ng>21MPang> |
| ng>控制閥ng> | ng>類型×數量ng> | ng>6+1滑閥式多路閥ng> |
| ng>控制方法ng> | ng>液壓先導式ng> |
| ng>流量控制ng> | ng>負載敏感+中位負流量式ng> |
| ng>液壓馬達ng> | ng>回轉馬達ng> | ng>柱塞式雙向二級變量ng> |
| ng>行走馬達ng> | ng>柱塞式雙向二級變量ng> |
| ng>液壓油缸ng> | ng>型式ng> | ng>雙作用單活塞桿ng> |
| ng>動臂缸缸徑×桿徑-行程ng> | ng>1-90mm×50mm×552mmng> |
| ng>鬥桿缸缸徑×桿徑-行程ng> | ng>1-80mm×50mm×582mmng> |
| ng>鏟鬥缸缸徑×桿徑-行程ng> | ng>1-70mm×45mm×443mmng> |
| ng>液壓油箱ng> | ng>箱形、密封式ng> |
| ng>液壓油濾ng> | ng>油箱回油側ng> |
| ng>液壓油冷卻ng> | ng>氣冷ng> |
