L Type Single Girder 30 Ton Gantry Crane with Trolley

L Type Gantry Crane is a kind of single beam gantry crane, which is cost lower than double gantry crane. And they are avaiable for general service, such as loading and unloading, and transferring goods in strorage yard and railway station yard.

It consists of four main parts, namely the single beam structure, the traveling mechanism, the trolley and the electric equipment. the Bridge is welded box-type girder, individual drives are adopted for the traveling mechanism on each bogie. All movements of the crane are controlled via cabin.

Mechanical:
-Double main girder, welded box beam
-Material: carbon steel with high quality of Q235B or Q345B
-The main girder is connected by strength bolt.
-Weld joint tested by X ray or ultrasonic examination;
-Forged Crane wheels
-Trolley with Compact structure, small size and light;
-Lifting mechanism is rigid open winch trolley
-Compacted gear motor driving, harden gear, hydraulic brake
-Excellent driving properties, smoothly moving
-Shot-blasting Sa2.5 for complete girder after welding, stress release
-Epoxy zinc rich high quality painting, 2×2 with 140μm
 
Electrical
-Conductor power supply
-All hoist and crane movements are independent and can be run simultaneously.
-Protection degree IP55
-The components are positioned in a maintenance friendly way, and the whole layout provides with good protection
-Festoon cables are suspended on cable saddles, fixed to cable trolleys, running in a galvanized C-track.
 
Protective Features
– Overload Limiter, Limit Switch (Lifting and Traveling), Interlock protection device, Buffer, Rail clear plate, Protective cover, Bus Bar preventer plate, Anti-collision device, Light alarm devices Main isolating switch, Emergency stop system, Motor overload protection
-equipped with rainproof devices for lifting mechanism, electrical control box.

Technical Data: