Method for measuring spring stiffness of supporting and hanging frame online
A technology of spring stiffness and support and hanger, which is applied in the field of measurement, can solve problems such as loss of load, inability to adjust, overload of support and hanger, etc., and achieve the effect of simple and convenient data, fast measurement and accurate data
Inactive Publication Date: 2017-03-29
ZHEJIANG PROVINCIAL SPECIAL EQUIP INSPECTION & RES INST
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The invention relates to a method for measuring the spring stiffness of a supporting and hanging frame online, and aims to provide a method which has the characteristics of fast measurement, accurate data and ability of being simple and convenient. The technical scheme is that the method for measuring the spring stiffness of the supporting and hanging frame online is implemented according to the following steps in sequence: 1) hoist cranes are hung on steel frame structures at two sides of the supporting and hanging frame, a pipeline is hoisted so as to enable the pipeline to break away from the supporting and hanging frame, and load influences imposed on the supporting and hanging frame by the pipeline are eliminated; 2) a strain gauge is attached at the position of a pull rod of the supporting and hanging frame; 3) the cranes are loosened so as to put the pipeline back to the supporting and hanging frame, strain data measured by the strain gauge is read, and the stroke of a spring is recorded at the same time; 4) a material and the section area of the pull rod are acquired according to data of the supporting and hanging frame; 5) the elasticity modulus of the pull rod is determined; and 6) the acquired variables are substituted into a formula.
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