China Open Winch Type Double Girder Overhead Traveling Crane in Heavy Duty Design

Open Winch Type Double Girder Overhead Traveling Crane in Heavy Duty Design
Our QD Overhead Cranes are available with a huge range of customer options
in capacities up to 450t. Double girder overhead cranes give a better height of lift in given
headroom as the hook travels between the beams. With open winch trolley as
its lifting mechanism, they are available in higher capacities than single girder
and for heavy duty applications.
Our designed double girder cranes provide with the smallest dimensions and
biggest approach distance t. It ensures that the maximum work area is available
for the customers.
-Performance with reliability
-Flexibility with application
- Easy handling
- Easy maintenance

Features
Mechanical:
-Double main girder, welded box beam
-Material: carbon steel with high quality of Q235B or Q345B
-The main girder is connected by strength bolt.
-Weld joint tested by X ray or ultrasonic examination;
-Forged Crane wheels
-Trolley with Compact structure, small size and light;
-Lifting mechanism is open winch trolley
-Compacted gear motor driving, step less control, harden gear, safety disc brake

-Excellent driving properties, step less control, smoothly moving
-Shot-blasting Sa2.5 for complete girder after welding, stress release
-Epoxy zinc rich high quality painting, 2x2 with 140μm
Electrical Features
-Conductor power supply
-All hoist and crane movements are independent and can be run
simultaneously.
-The control panels are IP54
-The components are positioned in a maintenance friendly way, and the whole
layout provides with good protection
-Festoon cables are suspended on cable saddles, fixed to cable trolleys, running
in a galvanized C-track.
Protective Features
- Overload Limiter, Limit Switch (Lifting and Traveling), Interlock protection
device, Buffer, Rail clear plate, Protective cover, Bus Bar preventer plate, Anti-
collision device, Main isolating switch, Emergency stop


QD Double Girder Overhead CraneCapacity(t)5t~450t as per requirementsSpan(m)7.5m~31.5m, or other special spanLifting Height(m)6m~24m or other specail heightLifting Speed(m/min)single lifting speed or stepless speed(designed as per requirements)Trolley Speed(m/min)single lifting speed or stepless speed(designed as per requirements)Bridge Speed(m/min)single lifting speed or stepless speed(designed as per requirements)Working DutyA5 or A6 depends on applicationPower supply380V,50Hz or other

Crane Inquiry Data Sheet
Nos. Crane required
CapacityMain Hook
Aux. hook
Span of the Crane
Required Hook LiftMain Hook
Aux. hook
Length of Runway
Working Ambient
Working DutyUsing Frequency
Application
Working situationindoor
out door
Power SupplyVolts HzPhase
Control Methodcabin
floor
wireless
other