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Gas spring structure

Source: 互联网    Release time:2014-12-18
The structure and the introduction of the gas spring
Spring is not affected by external force, the natural extension (refers to the minimum stroke compression stroke), namely the maximum elongation; the piston on both sides equal air pressure, because the stress of different area, the pressure difference is generated to make the gas spring supporting force of the supporting force; total instantaneous gas spring movement consists of two parts: provide support force and friction pressure difference produce.
External compression gas spring, because the pole in the gas chamber volume increases, the effective volume of compressed gas becomes small, the gas chamber pressure becomes larger, the pressure difference of supporting force generated by the larger friction changes:
The air chamber pressure is greater, the more friction, rod moving faster, more friction, the farther away from the natural extension, the greater the friction;
The temperature effect of air spring support force: the temperature is low, the air chamber pressure is lower, the supporting force gas spring provides smaller.
Gas spring is in gas and liquid is a kind of elastic element of working medium, by the pressure tube, piston, piston rod and a plurality of connection
Component, its interior is filled with high pressure nitrogen gas, because the through hole is arranged inside the piston, piston ends equal gas pressure, and the cross-sectional area of both sides of the piston is different, end is connected with a piston rod and the other end is not, in under the action of gas pressure, produce to the side of small cross-sectional area of the gas pressure, namely, the elastic force of the spring. The elastic force can be set by setting different nitrogen pressure or piston rods with different diameters. Unlike the mechanical spring, gas spring is near linear elastic curve. The elastic coefficient of X between standard gas spring 1.2 and 1.4 between the other parameters according to requirements and flexible operation definition
Gas spring (gas spring) is a kind of can support, buffer, brake, height adjustment and angle adjusting function parts. At present, the products in medical equipment, automobile, furniture, textile equipment, processing industry and other fields have been widely applied. According to the characteristics and application fields of the gas spring is different, also known as the supporting rod, angle, pressure rods, dampers. Gas spring is the basic principle of inert gas and oil, or oil and gas mixture is pressed into the sealed cavity. According to the structure and function of the gas spring, gas springs are mainly free gas springs, locking type gas spring, random stop gas spring, pull type gas springs, dampers and several.

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