QD Double Girder Overhead Crane

INQUIRY TIPS

To receive a fast and accurate quotation, please provide the following basic technical information:

  • Lifting capacity
  • Crane span
  • Lifting height
  • Local power source (v, hz, 3p)
  • Whether crane rails are required, and their length
  • Whether a busbar system is required, and its length

Based on the information provided above, we will prepare a suitable solution for your project.

Request a Quote

QD Double Girder Overhead Crane

QD Double Girder Overhead Crane

Heavy-Duty Lifting for Demanding Industrial Applications

QD heavy-duty double girder overhead crane

Product Overview

The QD double girder overhead crane is designed for demanding industrial lifting applications. Compared with the light-duty LH overhead crane, it uses a heavy-duty winch trolley, robust box girders and reinforced end carriages.

Working classes A5, A6, A7 and A8 are available for different operating frequencies and load conditions.

It is suitable for workshops, steel plants, shipyards, power plants and other heavy-duty environments. Cabin, pendant and other control options can be configured to project requirements.

Key Advantages

Heavy-Duty Structure
Rigid twin box girders for high load capacity.
Flexible Working Class
A5–A8 configurations for different duty cycles.
Reliable Travel
Integrated drive systems support smooth movement.
Project Customization
Capacity, span, height, controls and power can be tailored.

Structural Features

Reinforced box girder

Box Girders

High-quality steel plates and internal reinforcements form a rigid structure. An integrated service platform allows convenient inspection and maintenance.

Overhead crane end carriage

End Carriages

Rectangular steel frames and integrated travel-drive assemblies provide reliable power for smooth crane travel along the runway.

Heavy-duty winch trolley

Winch Trolley

The motor, gearbox, brake, drum, frame and wheel assemblies are engineered as an integrated lifting system for heavy-duty service.

Main Components

Crane wheels
Wheels
Crane hook block
Hook Block
Crane control pendant
Control Pendant
Crane operator cabin
Operator Cabin

Basic Technical Data

Standard reference values; final specifications are confirmed according to the project.

Parameter Unit 5 t 10 t 16/3.2 t 20/5 t 32/5 t 50/10 t 75/20 t 100/20 t
Max. Lifting Height – Main Hoist m 16 16 16 12 16 12 20 22
Max. Lifting Height – Auxiliary m — — 18 14 18 16 22 22
Span m 10.5–31.5 13.5–31.5 13–31
Main Lifting Speed A5 m/min 11.3 8.5 7.9 7.2 7.5 5.9 6.1 3.9
A6 15.6 10.4 10.7 9.8 9.5 7.8 6.1 4.9
Auxiliary Lifting Speed m/min — — 14.6 15.5 15.5 10.4 7.2 7.2
Trolley Traveling Speed m/min 37.2 43.8 44.6 44.6 42.4 38.5 38.4 33.86
Crane Traveling Speed A5 m/min 89.8 (91.8) 89.8 (91.9, 84.7) 84.7 (87.6) 84.7 (87.6) 87.6 (74.2, 74.6) 74.6 65 65.7
A6 92.7 (93.7) 92.7 (93.7, 86.5) 76 (89) 76 (89) 89 (75.3) 75 (76.6) 66.2 65.7
Power Supply 3-phase, 380 V, 50 Hz or customized

Information Required for Quotation

Please provide the following information for an accurate crane proposal:

  • Required lifting capacity
  • Crane span and lifting height
  • Working class and operating frequency
  • Local power supply
  • Indoor or outdoor installation
  • Runway rails required and total travel length