Early warning type corrugated pipe capable of stretching and expanding in two directions

Abstract

The invention discloses an early warning type corrugated pipe capable of stretching and expanding in two directions, and relates to the field of corrugated pipes. The early warning type corrugated pipe comprises a fixing main pipe, connecting end plates are symmetrically welded to the two ends of the fixing main pipe, fixing lug blocks are symmetrically welded to the side edges of the connecting end plates, and fixing through holes are formed in the side edges of the fixing lug blocks; the side edge, away from the fixing main pipe, of the connecting end plate is sleeved with a telescopic pipeline, the end, away from the connecting end plate, of the telescopic pipeline is sleeved with a butt-joint plate, a butt-joint ring is welded to the side edge, away from the telescopic pipeline, of the butt-joint plate, and a stretching steel wire is horizontally clamped to the side edge of the butt-joint ring. A fixing box body is connected between the side edges of the connecting end plates through bolts, a control box is connected to the top face of one connecting end plate through bolts, and through connection holes are formed in the side edges of the connecting end plates. The early warning type corrugated pipe is simple in design structure and intelligent in operation, the induction module is adopted, so that the early warning type corrugated pipe is more intelligent and automatic, and meanwhile, the telescopic structure is adopted, so that the problem of pipeline pressure is effectively relieved.

Description

technical field [0001] The invention relates to the technical field of bellows, in particular to an early warning bellows with bidirectional telescopic expansion. Background technique [0002] Bellows refers to a tubular elastic sensitive element connected by foldable corrugated sheets along the direction of folding and stretching. Bellows are widely used in instruments and meters, and their main purpose is as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The bellows has a thinner wall and higher sensitivity, and the measurement range is tens of Pa to tens of MPa. Its open end is fixed, and the sealed end is in a free state, and the auxiliary coil spring or reed is used to increase the elasticity. When working, under the action of internal pressure, it is elongated along the length of the pipe, so that the movable end produces a displacement that has a certain relationship with the pressure. The movable end drives t...

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a two-way telescopic expansion warning bellows, to solve the above-mentioned background technology for the current bellows when connecting, It is to adopt a fixed connection structure, so that when the pressure inside the pipe body increases, it will cause a certain extrusion effect on the pipe body, which will seriously damage the pipe, which is not conducive to the large-scale use of the current society. At the same time There is no intelligent adjustment structure, which makes it time-consuming and labor-intensive to adjust manually, and requires personnel to observe and monitor all the time, which greatly wastes manpower and material resources.

Images