Single girder electric overhead bridge travelling grab or grapple or bucket crane
LZ type single girder grab crane consists of main beam,end beam,electric hoist trolley,four rope grab bucket, festoon cable and electric control system.
The crane working class is A3, rated lifting capacity is 3t,5t, span 7.5 ~ 28.5m, working environment -20 ℃ ~ +40 ℃, lifting height 6-30m, remote control or pendent control or cabin control. Grab open direction with vertical or parallel to main beam. The crane is prohibited to be used in the flammable, explosive, corrosive environments.
Mechanical parts:
Single welding box girder, beam deflection with DIN/FEM standard
Steel Material: Chinese standard Q235B,Q345B,Q355E
Manual brush painting,One alkyd iron red primer painting, two alkyd orange enamel finish painting
Epoxy zinc-rich primer painting for one bottoms and two sides of 120μm thick, to achieve a long lifespan, beautiful appearance and good luster.
The girder and end beam are connected together by high strength bolts to ensure the structure strength and precision of the whole machine.
The end beams are equipped with flat wheel or double rim wheels, anti-friction bearings, buffer blocks and derailment preventing plate.
echnical parameters
Lifting weight(t) | 3 | 5 | |
Span(m) | 7.5~28.5 | ||
Max Lifting height(m) | 6~30 | ||
Working class | A3 | ||
Speed(m/min) | Main Hoisting | 8,8/0.8 | |
Speed(m/min) | Trolley Cross Traveling | 20,2~20 | |
Speed(m/min) | Crane Long Traveling | 30,3~30 | |
Motor Type | Squirrel cage motor | ||
Motor (Kw) | Main Hoisting | 2*4.5 | 2*7.5 |
Trolley Cross Traveling | 2*0.4,2*0.8 | ||
Crane Long Traveling | 2*0.8,2*1.5 | ||
Control mode | Pendent line control,Remote control,Cabin control | ||
Recommended Rail model | 24kgs/m | 30kgs/m | |
Power source | 3Ph A.C 50Hz 380V |