1 ton single girder underslung crane for sale with electric wire rope hoist. An under running crane is typically an underhung single girder crane where the wheels ride or operate on the bottom flange of a runway beam or track. The hoist/trolley wheels will ride on the lower flange of the bridge beam or track. Dongqi crane manufacturer & supplies a wide range of single girder underslung cranes with different configuration as per customer requirements.
Usually suspended from roof trusses, underslung cranes are mainly used for maintenance purposes inside small areas, such as pumping stations and small workshops. Single girder overhead underslung cranes are compact in design and construction, making them ideal for low buildings that require maximum hook height.
Technical Specifications:
- Lifting Capacity: 05~16 ton
- Span: 3m~18m (Customized)
- Lifting Height: 6m,9m,12m,,18m,24m, 30m (Customized)
- Lifting Speed: 8; 8/0.8 m/min
- Power Supply: AC 380V, 50HZ, 3Phase (Customized)
Underslung Single Girder Crane Design:
Mechanical parts of underslung crane:
- Single main girder, welding box structure and camber meeting national standards.
- Steel plate material Q235 or Q345B (equals to foreign steel plate Fe3 or Fe52).
- Main welds joint adopts union melt welding, nondestructive inspection.
- After welding, main girder of the underslung crane is through shot blasting treatment, gets Sa2.5 class, and eliminate welding stress.
- Main girder and end girder of the underslung crane adopts bolted connection to ensure strength and accuracy of the whole set.
- Trolley and underslung crane adopt three-trinity driving mechanism, frequency stepless speed regulating, hard-tooth surface, disc brake.
- Crane driving IP55, F class insulation, contact continuity reaches 40% ED.
- Epoxy zin-rich paint, a long service life, beautiful outlook and lustre.
- Crane buffer block, anti-derail end plate.
Electrical parts of underslung crane:
- Safe slide wire: high conductivity, small voltage drop and swift current collector slide speed.
- Lifting mechanism: independent control system for trolley and crane, synchronous and individual operation is possible.
- Electric control box: reasonable layout, simple maintenance and insulation class IP55.
- Underslung Crane Cables: flat cable, galvanized track and cable pulley for trolley traveling power supply.
- Electric contactless module speed regulation controlling.
Protection devices of underslung crane:
- Overload warning.
- Secondary class anti-clamp.
- Sound and light alarm devices.
- Circuit self-check protector.
- Flow phase lack protection, etc.
Underslung crane operation:
- Underslung crane has several operation methods for your selection: ground flashlight door, remoter, flashlight door+remoter, etc.
- Ground operation is simple and professional operator is not required and more freedom is given to the underslung crane operator.
- Double stop button or rocker type joystick.
- Customized operation design for the underslung crane is available.
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