What are the main uses and common dangers of double beam grab cranes?

Electric Grab crane is a kind of Grab crane, generally called active grab, and it is a commonly used quay crane. The name is very interesting and it has a wide range of uses.

　　 can be used to carry a variety of objects. For example, various bulk cargo, logs, minerals, coal, sand and gravel, earth and stone and other objects are loaded in ports, wharves, station yards, mines, storage yards, etc.

The main function of the electric Grab crane is to automatically fetch objects. It is a kind of automatic material fetching machinery. Its grabbing and unloading material actions are controlled by the ship unloader driver and do not require auxiliary personnel, thus avoiding the heavy labor of the workers and saving The auxiliary working time greatly improves the efficiency of loading and unloading. Not only that, it also improves the safety of production.

Grab crane

　　 The common hazards during the operation of Grab crane mainly include the following aspects:

　　1. The sling falls and hurts people

　　 This is a common, common accident in lifting machinery operations, which is very dangerous.

There are many reasons for the spreader or hanging object to fall, such as the unreasonable method of binding and scraping, the angle between the wire ropes is too large; the spreader has defects, the hook and the wire rope are broken; the lifting of heavy objects exceeding the rated load or the inclined lifting weight The spreader breaks due to objects; excessive hoisting is often caused by the failure of the ascent limit stopper, which makes it impossible to cut the ascending hoist in time and break the wire rope.

　　2. Electric shock During operation, due to the failure of Grab crane insulation grounding measures, improper operation and contact with high-voltage lines, the personnel who touched the body were electrocuted.

　　3. Body rollover. Body rollover is a common accident of mobile Grab cranes and tower Grab cranes. The cause of the accident may be due to high winds, improper operation, unstable outriggers, etc.

　　4, squeeze and collide with people During operation, due to the improper operation of the crane driver, the unsteady placement of hanging objects and other reasons, the squeeze and collide with people. The consequences of this kind of accident are very serious and should cause people