Water removing device of steel pipe hydrostatic pressure testing machine

Abstract

The invention discloses a water removing device of a steel pipe hydrostatic pressure testing machine to solve the problems of steel pipe bending deformation, steel pipe straightness changes and water residue on the steel pipe inner wall due to the long length of a steel pipe in the water removing process after a hydrostatic pressure test of the steel pipe is finished. The water removing device of the steel pipe hydrostatic pressure testing machine comprises a supporting base, V-shaped supporting frames and a hydraulic cylinder, wherein the supporting base is provided with a beam, and the V-shaped supporting frames are fixed on the beam; and the supporting base is movably connected with a beam, the end portion of the beam is hinged with the supporting base through a second pin, the hydraulic cylinder is arranged on the lower portion of the middle of the beam, and the beam is connected with the hydraulic cylinder through a hydraulic cylinder upper supporting base. When the water removing device of the steel pipe hydrostatic pressure testing machine is used in the water removing process after a hydrostatic pressure test of the steel pipe is finished, a plurality of V-shaped supporting frames are used for supporting the steel pipe, so that the slipping of the steel pipe is avoided, and meanwhile, the steel pipe straightness changes caused by the steel pipe bending deformation can be prevented effectively. In addition, the compressed air is used for purging the steel pipe inner wall after the water removing is completed, and accordingly the water on the steel pipe inner wall can be removed effectively, and a guarantee for the improvement of the testing accuracy of the diameter of the steel pipe inner wall is provided.

Description

technical field [0001] The invention relates to the field of steel pipe manufacturing, in particular to a water device for a steel pipe hydrostatic pressure testing machine. Background technique [0002] After the hydrostatic pressure test of the steel pipe production, a single equipment with lifting function is generally used to lift one end of the steel pipe to make the water. Its kneading process is: feeding, equipment lifting, kneading, equipment reset, and unloading. Not only does this process of rinsing water cause the steel pipe to slip easily from the lifting equipment when it is long, it is also easy to cause the steel pipe to bend and deform, resulting in changes in the straightness of the steel pipe, and there is often the phenomenon that the inner wall of the steel pipe is not clean, which seriously affects the inspection of the diameter of the inner wall of the steel pipe. precision. [0003] Although the steel pipe kneading equipment disclosed in the patent C...

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Problems solved by technology

[0004] The object of the present invention is to provide a steel pipe hydrostatic pressure testing machine water-tearing device to solve the problems of steel pipe bending deformation, straightness changes, and water residue on the inner wall of the steel pipe due to the long steel pipe when the steel pipe is water-tightening after the hydrostatic pressure test

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