Vibration gloves are designed for contact with vibration, such as in forestry, mining, construction, transportation and other sectors with hand-held vibration tools (such as chain saws, rock drills, hammers, pickaxes, etc.) when used to prevent vibration occupational disease “white finger” of personal protective equipment. Vibration-proof gloves should comply with the provisions of the General Technical Conditions for Vibration-proof Gloves (LD2-1991).
(1) The thickness of the anti-vibration structural layer of gloves shall not exceed 7mm.
(2)The vibration resistance of the gloves shall be in accordance with the following table.
Vibration-proof gloves in the structure, mainly in the palm surface to add a certain thickness of foam, latex and air sandwich to absorb vibration. The thicker the liner, the more air it contains, the better the vibration damping effect. However, when the palm and finger surface is too thick, the hand activities are hindered, affecting the operation.
2. The choice of shockproof gloves have to be careful
Vibration-proof gloves are yarn gloves and leather gloves as the basis for the palm of the glove with a certain thickness of foam, latex and air-laminated synthetic rubber or foam rubber sheet to absorb vibration. In cold environments, the above materials can also be attached to the cold gloves, to play the effect of vibration. Such as vibration-proof structure layer thickness shall not exceed 7mm, for different frequencies of vibration should achieve a certain attenuation value. According to different materials, anti vibration gloves can be divided into the following different types.
(1) rubber tube type, that is, between each joint of the finger and palm, set up a fixed rubber tube made of natural rubber, the advantage is that it can absorb vibration, can be bent, insulation and heat resistance, is widely used.
(2) The sponge type, in which a sponge is installed in the palm of the hand, is selected according to the requirements of the work because the effect of absorbing vibration can be improved if the sponge is thick, but if it is too thick, the resistance of the bending portion increases, hindering operation.
(3) Air eyelet type, these gloves are small in quality and have good working performance, but if they are damaged due to external force, their vibration absorption performance will be reduced, so they are not suitable for destructive work. Air eyelet and sponge sharing type, air eyelets are easily damaged under the action of external forces, plus sponge can effectively prevent this situation, characterized by high vibration absorption performance, easy to use. Air type, this kind of glove is using a professional air pump to fill the glove with air, its performance is very superior. However, if the air is too full, it is easy to rupture, so loading it to seven minutes full is the best.
(4) round rubber type, this glove is like an octopus suction cup like rubber tube cut short, mounted on the nylon gloves, this alone can avoid some degree of vibration, if you wear leather gloves, the effect will be more obvious.
(5) cotton cover type, this glove even if the two overlap together to use, was compressed after the bounce is very small, the effect of absorbing vibration is also very small, do not get the desired effect. When choosing anti-vibration gloves, you should choose a large one or slightly loose gloves. When using vibration resistant gloves, if the palm part is worn off, broken, or leakage of anti-vibration material, it should be replaced in time.
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Post time: Jun-26-2024