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Common Warning Signs Of Crusher

1、 Classification of warning signs of crusher

Generally, the color coded safety signs pasted on the equipment by the manufacturer of crusher are divided into three categories: 1. Red prohibition sign, meaning of which is absolutely not allowed to be done; 2. Blue compulsory sign, meaning of which is required to be done; 3. Yellow danger sign, meaning of which is required to be noticed after seeing. (see figure below)


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Therefore, before the crusher products leave the factory, many manufacturers will spray the corresponding color paint on the important parts of the fuselage, for example, the belt pulley of jaw crusher will be sprayed with red paint to warn the danger and keep the workers away from the high-speed rotating belt pulley; for example, the electrical control cabinet controlling the operation of the crusher has a lot of yellow danger signs, which is also a warning Various precautions for staff.


2、 Red no sign

The red prohibition sign is indicated by a red circle, in which a red diagonal line passes through the circle, and the prohibited behavior is always indicated by black text (see the figure below). Its function is to remind the staff conspicuously that in the operation process of the crusher, many parts are not allowed to touch or unauthorized operation.

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As shown in the figure: the meaning of no removal of safety device sign is do not remove the guard board, please check and ensure that all guard boards are in place and function normally to prevent exposure to flying debris and rotating parts. Do not operate the equipment before the guard board is installed in the crusher.


3、 Blue mandatory behavior sign

The blue mandatory behavior sign is indicated by adding a white sign on the blue background (see the figure below). Its function is to operate the behavior during the operation of the crusher. It is necessary to fully comply with and implement the warning content on the sign, which can effectively avoid and reduce the occurrence of various production accidents.

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From left to right: please wear safety gloves, eye protection, helmet, safety sling and ear protection

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From left to right, please wear safety shoes for warning, tight work clothes, gas mask, power off, and read the manual

Personal protective equipment belongs to the category of blue mandatory signs, such as wearing eye protection signs, wearing safety helmet signs, wearing safety gloves signs, wearing ear protection signs, wearing safety boots signs, etc.


4、 Yellow danger sign

Yellow danger sign is represented by yellow triangle plus black sign and black frame (see the figure below). Its function is to remind all personnel in the working area to be vigilant, avoid casualties and prevent accidents according to the dangerous matters prone to accidents in the production process of crusher equipment.

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From left to right: extrusion hazard, noise hazard, electrical hazard, stranding hazard, stranding hazard

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From left to right, the following are in order: falling of heavy objects, flying materials, hanging heavy objects, silica and other dust hazards, general hazards

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From left to right: falling objects, impact, explosion, hot surface, high pressure


Summary: in general, safety warning signs are posted on the crusher or the surrounding environment of the crusher. As a qualified production personnel, must always pay attention to all safety warning signs or signs.