20 / 5 Ton QD Model Double Girder Electric Overhead Travelling Crane

QD Model double girder overhead crane Description

QD model double girder overhead crane is composed with double girder frame, crane travelling end truck, and the top running trolley with lifting and travelling device. The cranes are equipped with frequency inverter, which makes the crane speeds adjusted under 10 grades speeds. It could move very slow which makes it possible to do very accurate works.

This model overhead crane is designed under GB regulation, passed ISO, CE certification.

The crane lifting and travelling speeds are steady and accurate.

New design also makes the crane lifting higher.

Features:High speed, heavy working level.

Heavy loading, wide span, the whole crane stable and variety.

The machine with novel structure, attractive appearance, advanced technology.

Flexible operation, safe and reliable.

The spare parts are standardization, generalization and serialization.

This product is suitable for lifting, transporting and loading and unloading of various materials in workshops, freight yards and warehouses of railway stations, ports, industrial and mining enterprises and other departments.

QD Model double girder overhead crane Parameters Table

QD Model double girder overhead crane Advantages

• Double beam bridge crane first honeycomb beam design, with light weight, large load, strong wind resistance and other characteristics.
• Unique steel pin connection, not only firm and reliable, but also short assembly time.
• Flexible rod support leg, site steering can be disassembled into a single piece, convenient transportation.
• The minimum installed capacity solves the difficulty of using electricity for field construction.
• Easy for Installation and maintenance;
• Reasonable structure and strong rigidity;
• The speed can be frequency inverter speed control;
• Control method is cabin control or remote control;
• Depending on lifting cargo, crane can be equipped with hanging beam magnet or magnet chuck or Grab or C hook;
• Crane is equipped with all moving limit switch, loading limit and other standard safety devices, to promise crane work safe.
• Wheels, wire rope drum, gears, couplings are processed by CNC machine center, TOP quality control
• Heavy duty motors with IP54/55, insulation class F3). Siemens/Schneider main electric parts are used for durable and safe operation
• Frequency inverters could be equipped on the crane for speed controlling

Environmental conditions

1.The power of crane is three—phase AC;rated frequency is 50HZ;rated voltage is 380V;

2.The temperature of working environment is-10~+60℃;

3.The relative humidity is no more than 50% when the temperature is+40℃;

4.If the requirements are more than above-mentioned,it shall carry out the requirements in the purchase contract as the user asks.

QD Model double girder overhead crane Images