The inspection of crane is unqualified main factor

Crane large mechanical equipment, no matter what type is required to pass strict inspection, but a lot of times the inspection of the crane is unqualified, there are many factors, there are mainly the following points.

The equipment data is not complete

In the inspection process of the crane, there are often differences between the product logo of the crane and the provisions of "method for compiling crane transport machinery". According to the provisions of the crane, the working level of the crane will be divided into a1-a8 and other levels.

The crane setting is not reasonable

In the process of crane production, the lack of some components, according to the requirements of crane safety regulations, the crane must have a loss of voltage protection function, through the start button switch and contactor for voltage loss protection, but did not start.

The tonnage of the crane is often replaced by the emergency switch when it is started. As time goes by, the emergency switch will wear out, which will affect the responsiveness of the crane in emergencies and lead to safety accidents.

Ignoring the installation of grounding wires

Crane safety specifications clearly stipulate that the bridge and the crane itself in the bolt connection is not less than two, in the crane, workers often pay attention to whether the quality of electrical equipment conforms to the specifications, and ignore.

Therefore, when the crane work, often will damage the driver's personal safety.

Nonstandard design

In each part of the crane, the installation of the general line contactor will be ignored by many designers, so there will not be too much space for the installation personnel to install the general line contactor.

All operating system contact points are prone to adhesion, in this case, it will adversely affect the crane's work.