Double Rail & Double Girder Hoist Crane with CD/MD Hoist Trolley

Double rail hoist trolley or double girder hoist trolley for double girder cranes, i.e., double girder overhead crane & double girder gantry crane/ goliath crane for various material handling with capacity from 3 ton -50 ton.

The double girder hoist trolley is mainly consisted of the wire rope stationary hoist or fixed electric wire rope hoist and double rail hoist trolley frame. The wire rope stationary hoist can be directly installed on the frame in the four feet in the upper, lower, left and right positions of hoist trolley. The double rail hoist trolley system is used as the lifting mechanism of the double girder hoist crane for handling loads in upper & lower, left & right movement.

Double rail wire rope hoist trolley for double girder overhead crane & double girder gantry crane

Wire rope type double rail electric hoist

• Capacity of double rail hoist trolley: 3~50ton
• Lifting height of double rail hoist trolley: 6~30m
• Frame: Double rail hoist frame
• Duty class of double rail hoist trolley: A3/A4
• Use of double rail hoist: Wire rope type double rail electric hoist for double beam overhead crane and double beam gantry crane.

Customized double girder hoist trolley can be customized based on your lifting requirement and application conditions. If you want to know more about the double rail rope hoist, please feel free to contact us.

Features of double rail hoist

• On the basis of the original CD and MD wire-rope electric hoists, the CD1 and MD1 wire-rope electric hoists have been enhanced.
• They are extensively utilized and very popular due to their tight structures, smart bodies, safety and dependability, common-used parts, easily interchangeable properties, high lifting capability, and ease of maintenance.
• The hoist can be exited in two ways: stationary and crab-style.
• The CD1 model wire rope hoist is a single-speed lift.
• The MD1 model wire rope hoist lifts not only at normal speed but also at low speed.
• Caution: The items are intended for use in environments where there is no fire, no explosive threat, no corrosive media, and little dirt.
• The temperature ranges from -20 to +40 degrees Celsius.

Stationary hoist with CD/MD wire rope hoist design

Hoist trolley frame

Wire rope hoist trolley for double girder crane

Safety Devices

For double rail wire rope hoist trolley, there are various safety devices are adopted.

• Turn on the limit switch.
• Hoisting overload stop device
• For crane travel, a long bearing buffer is required.
• Backup in case of power outage

Different configurations of double girder rope hoist trolley

MD wire rope double girder hoist trolley

HC wire rope double girder hoist troflley

Double girder hoist trolley with dual rope hoists

Wire rope hoists

Wire rope electric hoist is a type of electric hoist lifting equipment with the advantages of compact structure, light weight, compact size, and convenient operation.The wire rope hoist can be divided into travelling trolley wire rope hoist and stationary wire rope hoist. The travelling trolley type rope hoist is usually used on single girder hoist crane and H beam crane, and monorail crane, etc. Stationary type electric wire rope hoist is a type of electric wire rope hoist, with the hoist body fixed on a trolley frame or on a supporting structure, which is widely used on a double girder crane, including double girder rope hoist overhead crane and double girder rope gantry crane. The wire rope hoist crane is commonly used for material handling in various industrial plants, warehouses and other places.

The travelling trolley type electric wire rope hoist is mainly used for horizontal walking on the crane or I-beam for loads handling up & down, left & right.

The stationary electric wire rope hoist installed on a fixed frame or structure can be used for loads handling up and down.

Comparison of double girder hoist trolley & Single girder trolley hoist

The stationary hoist and trolley hoist differentiate with each other in terms of lifting weight and lifting height and hoist structure.

Mounting type:

The most obvious difference is the mounting type.

• Trolley type wire rope hoist is suspended on the single girder running trolley
• The stationary wire rope hoist is mounted on a frame or supporting structure by bolting at the place of outlet of the wire rope.

Travelling direction：

• The single girder trolley mounted hoist can travel on a single girder crane or H beam in the direction of left and right, and at the same time with the up and down movement of hoist hook, the trolley wire rope hoist can be used to handle loads in four direction: left & right, up & down.
• The stationary hoist only can be used for loads handling upwards and downwards.

Applications

Trolley type rope hoist

• What's more, the trolley type wire rope hoist is usually used on a single girder crane, including single girder overhead crane top running, single girder under-hung overhead crane, and single girder gantry crane.
• The trolley type has a running function and can be installed on the track for use. The trolley type electric hoist can be installed on various types of cranes or suspended on I-beam beams to hoist heavy objects in a straight or curved line.

Trolley type wire rope hoist for top running single girder overhead crane

Trolley type wire rope hoist for underhung single girder overhead crane

Trolley type wire rope hoist for H beam / I beam crane

Stationary type rope hoist

• The wire rope stationary hoist can be directly installed on the frame in the four feet in the upper, lower, left and right positions,or the stationary wire rope hoist can be installed on the fixed support or structure, used as a hoisting winch for vertical or other angle hoisting.
• And also the stationary hoist cane be used with a single girder hoist trolley or double girder hoist trolley for single girder crane & double girder crane.

Stationary hoist with low headroom design hoist trolley

Wire rope stationary hoist trolley overhead crane

Wire rope stationary hoist trolley gantry crane