How to Deal with Crane Accidents

Keyword:Crane Accidents   Time:2019-1-6 22:41:58

In recent years, cranes have played an increasingly important role in the operation of engineering buildings or factories and mines. With the increasing application of lifting equipment, crane accidents also occur frequently. Lifting machinery is mostly due to brake, electrical components and other issues.

 First of all, the brake is very important in lifting machinery. The sudden release of the brake will lead to falling accidents, even serious injuries. Secondly, most of the electrical energy problems are due to quality problems, followed by artificial customers. In many electrical control systems, if the electrical number is not clear enough, it will become very troublesome for maintenance in later use. And the routing should be as simple as possible, if there are many redundant lines out of the line, it will naturally bring a sense of chaos to the entire line system. Of course, it will also affect the later period and maintenance management work.

 In order to avoid unnecessary crane accidents, first teach you how to use the crane correctly.

 1. When lifting goods by a crane is twisted, the lifting height of heavy objects must be higher than 0.3 meters above the obstacles. People with superior vision and hearing and who have been operated and trained by cranes should be allowed to control them.  

 2. When the crane is installed on the gradient plane or on the inclined plane which is not greater than 5 degrees, the four wheels must contact the plane and fix the wheels so as to avoid moving in the lifting task.            

 3. When the machine is in use, move the counterweight box to the outside and fill the counterweight box with 520 kg of sand, stone or other heavy objects. When no-load traction moves the machine, it can reduce the traction force by removing the material in the box and moving the counterweight box to the inside.

 4. When adjusting the amplitude of the lifting arm to change the handwheel, it is necessary not to suspend heavy objects in the unloaded form.            

 5. Every year, the crane should be repaired on time. When the crane is repaired on time, besides the specific repairs of all parts of the crane, static and dynamic experiments are also needed.            

 6. During operation, the lifted weight should be controlled from shaking in space.            

 7. The operator of the crane should pay attention to the fact that the lifted weight should not exceed the additional lifting weight of the boom, and the lifted weight should  be in the natural sagging position of the hook.

 If there are some emergencies in the operation process of the crane, we should take some urgent measures decisively at this time.

 When the working wire rope at one end of the suspension platform breaks, the suspension platform inclines. When the inclination reaches a certain degree, the safety lock closes actively, and the suspension platform is locked in the safety wire rope. At  this time, the construction personnel in the suspension platform should insist on calmness, strictly prohibit running and jumping in the suspension platform, and deal with it according to the emergency method when each wire rope plug is in the elevator.

 If the suspension platform can not stop after releasing the button in the process of lifting and landing, the red emergency switch on the box door should be pressed immediately to stop the suspension platform quickly. Then unplug the power switch of the box, check the contact condition of the contactor, clean the grease dirt and impurities on the surface of the contactor. After the contactor can be restored to normal action by hand, close the power switch and use manual sliding method to lower the suspension platform to the ground for repair.

1) Single Girder Overhead Cranes.png


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