The crane will appear this phenomenon is how dangerous

If you are in the process of using the crane construction, see or ignore the following operations, be sure to pay attention.

I do not know if you have encountered the phenomenon of topping when using the crane. The single-beam crane operating mechanism is used to vertically move heavy objects or adjust the working position of the crane, and is generally composed of an electric motor, a reducer, a brake and a wheel. The amplitude changing mechanism is only equipped on the boom crane, the amplitude of the boom is reduced when it is lifted up, and the amplitude is increased when it is bent down, which is divided into two kinds: balanced amplitude changing and non-balanced amplitude changing. The double beam crane mainly includes lifting mechanism, operating mechanism, amplitude changing mechanism, rotating mechanism and metal structure. Lifting mechanism is the basic working mechanism of the crane, mostly composed of hanging system and winch, but also through the hydraulic system lifting heavy objects. The crane to turn the boom is composed of a driving device and a slewing support device. The metal structure is the skeleton of the crane, the main bearing parts such as bridge, boom and gantry can be box structure or truss structure, can also be web structure, and some can be used as supporting steel beams. This question has been asked by many people for several reasons:

One is the limiter itself. We all know that in the bridge crane, the limit device has a very important role, it is by controlling the hook, to achieve the main working parts of the upper and lower operation. If in the usual work, our inspection system for the parts is not comprehensive and careful analysis, then the connector of the stopper will easily lead to adhesion, and if this social phenomenon can occur, it needs to be explained that the stopper has failed. It can be imagined that development will cause hidden risks of information security to students' personal and property management.

The second is the negligence of the staff. When installing, forget to adjust the order of the controller accordingly, so that the contact of the block will have hidden dangers and collision phenomenon. If there is no problem in the installation process, be careful in the use of the process, if ignored, may mistake the descending operation for the rising operation, will also make the stop failure, if in this process, the emergency trip switch is not started in time, lifting objects may appear overtaking phenomenon.

In addition, there are two other situations that are also prone to topping out. The equipment has been used for a long time. Long-term use will inevitably cause some parts of the equipment to loosen, such as the screws on the cage, resulting in the contact block can not contact the cage, there is a topping phenomenon. Second, the service life of the equipment is long, and there will be many hidden dangers in the cage if it is not regularly checked.

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