QUY50 Crawler Crane is designed and developed independently in absorption of foreign advanced technology and combined with China domestic work conditions. It features hydraulic drive, full swing and lattice boom, and also the first one adoption of pilot proportional control in China domestic crawler cranes. This crane is easy operation, stable travel and reasonable arrangement in structure. The maximum lifting capacity is 50t, boom length 13m~52m, jib length 9.15m~15.25m. This crane is suitable for lifting and installation job in construction site, mine, factory and dockside. Optional mechanical grab is available for earth moving and stacking work.
主要技术参数表
| Items |
unit |
parameter |
| 最大起重量Max.total rated lifting load |
主臂main boom |
t |
50 |
| 副臂attachment |
t |
4 |
| 最大起重力矩Max. load moment |
kN.m |
1815 |
| 主臂长度Full-extend boom |
m |
13 ～ 52 |
| 主臂变幅角度Boom derricking angle |
° |
0 ～ 80 ° |
| 固定副臂长度 fix jib length |
m |
9.15 ～ 15.25 |
| 固定副臂安装角 fix jib offset |
° |
10 ， 30 |
| 最大单绳起升速度（空载、第四层）Winch max.hoisting speed( sigle rope,no load,4th layer) |
m/min |
65 |
| 最大单绳变幅速度（空载、第四层）Derricking gear max. speed( sigle rope,no load,4th layer) |
m/min |
52 |
| 最大回转速度Max.swing speed |
r/min |
1.5 |
| 最大行走速度Max.traveling speed |
km/h |
1.1 |
| 爬坡度Gradeability |
|
40% |
| 平均接地比压Ground pressure |
MPa |
0.069 |
| 发动机功率Power rated |
kW |
115 |
| 整机质量 ( 主吊钩， 13 米 臂 ) Dead weight (main hook , boom 13 meters) |
t |
48.5 |
| 运输状态单件最大质量Max loading weight( in transportation) |
t |
31 |
| 运输状态单件 ( 主机 ) 最大尺寸（长×宽×高）Dimensions (in transportation)(boby) |
m |
11.5 ′ 3.4 ′ 3.4 |
|
