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QD Double Girder inch Trolley Overhead Crane W

QD Double Girder Overhead Crane With Winch Trolley

Product Type:	QD
Lifting Capacity:	5~800t
Span:	5~60m
Lifting Height:	According your demands
Working Class:	A4~A8
Ambient Temperature:	-20~40℃

Customized one is available, just contact us with your detailed requirements.

Overview

QD double girder overhead crane with winch trolley is a heavy-duty lifting equipment, featuring stable structure and strong load-bearing capacity. It is widely used for heavy-load handling in large workshops, metallurgical plants and logistics yards.

Introduction

Compliant with GB/T 14405-2011 standard, it adopts winch trolley as the core lifting mechanism. With smooth operation and flexible control, it is suitable for lifting and transferring loads of 10-800 tons.

Features

Double girder structure, high stability and strong load capacity
Winch trolley design, large lifting torque and reliable braking
Dual control, precise and efficient operation
Multiple safety devices (overload limiter, position limiter, etc.) for safe use

Specification

QD Series Double Girder Overhead Crane
Working Class		A4~A8
Capacity	t	3~800
Span	m	5~60
Lifting Height	m	3~100
Lifting Speed	m/min	6~15.6,Single or Dual Speed
Trolley Travelling Speed	m/min	20~44.6,Single or VFD
Crane Travelling Speed	m/min	40~125,Single or VFD
Control Method		Ground or Cab Control
Power Supply		380V 50HZ 3 Phase or Customized
Temperature	℃	-20~40
Protection Grade		IP54~65
Optional Spreader		Hook, Grab, Electromagnet, Hanging Beam, C-hook, Lifting Tong. etc.

Structural Component

Double Main Girders: High-strength box girders, core load-bearing parts
Winch Trolley: Core lifting component, with motor, reducer and drum
End Carriages & Traveling Mechanism: Drive the crane to move along the track
Control System: Remote controller, pendant station and cab for operation control