Types of grab cranes overview: Clamshell crane, Bucket crane, Orange peel grab crane

 Grab crane, the common name grab crane, English name: Grab crane / grabbing crane. Grab cranes are cranes equipped with grabs. They are widely used in ports, docks, station yards, mines, etc. to load all kinds of bulk cargo, logs, minerals, coal, sand and gravel materials, earth and stone.

Types of grab cranes

The grab crane manufacturer is an automatic material picking machine. Its grabbing and unloading materials are operated by the ship unloader driver and no need auxiliary personnel, thus avoiding the heavy labor of the workers, saving auxiliary working time and greatly improving the Loading and unloading efficiency. Grab cranes are generally classified into bridge grab cranes, gantry grab cranes, and folding arm grab cranes. Usually, grab cranes are referred to as folding arm type grab cranes, such as log cranes.

Grab cranes can be classified according to crane type, grab type, and driving method.

Crab crane types based on crane designs

According to crane designs, the grab cranes can be classified in the overhead grab crane, gantry grab crane and folding arm grab crane.

Bridge grab crane

Overhead grab crane - Dongqi bridge crane and eot crane

Bridge grab cranes are dedicated to bulk and granular materials.

The conventional configuration of the bridge grab crane: the cab is controlled by the driver's cab, and the cab is divided into two types: closed and un-closed. Each mechanism adopts a winding type lifting motor and resistance speed regulation.

Lifting equipment grab bridge crane working duty: A6, A7, working environment 20 ° C ~ +40 ° C This model is not recommended for use in explosion-proof, insulation requirements of the working environment.

Lifting equipment grab bridge cranes are available for other configurations

• There are two types of parallel and vertical main beams in the direction of opening and closing of the grab;
• The lifting weight includes the weight of the grab;
• When the lifting trolley has a rain cover, the top size limit is H+h;
• The total amount of outdoor cranes and the maximum wheel pressure should be increased by 5%.
• The two types of conductive angled steel and safety sliding line are available for selection;
• This crane has two kinds of standard trolleys and weighing trolleys;
• According to needs can be equipped with sugar cane grab, garbage grab, wood grab and other types of grippers;
• Grab is divided into: single rope grab, double rope grab, electric grab, and target set grab.

Single beam grab crane and double beam grab crane

Mainly refers to bridge cranes, which are divided into single beam grab cranes and double beam grab cranes according to the number of beams. The function is the same as the bridge grab crane. More on single girder overhead crane and double girder overhead crane.

Gantry type grab crane

The gantry type grab crane is mainly used in outdoor fixed goods yards for transportation of mines, coal, wood, etc.

Folding arm grab crane

Usually, grab cranes are referred to as folding arm type grab cranes, such as log cranes.

Based on loading materials

According to the loading and unloading object, it is divided into round wood hanging, sugar cane falling and so on. However, with the development of science, China has developed a multi-purpose grab crane.

Classified according to the loading materials, the crane grabs are generally grouped into the following types:

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