Concrete pipe and processing technology thereof

Abstract

The invention relates to a concrete pipe and a processing technology thereof. The concrete pipe comprises a pipe body and a steel bar frame arranged in the pipe body. The pipe body comprises a middlepart, a bearing part and an inserting part, wherein the baring part and the inserting part are located at the two ends of the middle part. An annular groove is formed in the end face of the bearing part. An annular protrusion is arranged on the end face of the inserting part. The protrusion corresponds to the groove, and a rubber layer is disposed on the protrusion. The pipe body is provided witha fixing part used for fixing between the bearing part and the inserting part. The concrete pipe has the effect that the sealing performance of a concrete pipe joint is improved.

Description

technical field [0001] The invention relates to the technical field of pipeline transportation, in particular to a concrete pipe and its processing technology. Background technique [0002] Concrete pipes are pipes made of concrete or reinforced concrete for transporting fluids such as water, oil, and gas. It can be divided into plain concrete pipes, ordinary reinforced concrete pipes, self-stressed reinforced concrete pipes and prestressed concrete pipes. When the concrete pipe is produced, it is necessary to first make the steel skeleton and place it in the pipe mold, and then start the centrifuge. The concrete is distributed in the pipe mold under the action of centrifugal force and forms a dense structure. The connection methods of concrete pipes generally include three types: flat pipes, socket joints and tongue and groove joints. [0003] refer to figure 1 and Fig. 2, the two ends of the existing socket-type concrete pipe 2 are socket 21 and socket 22 respectively, ...

AI Technical Summary

Problems solved by technology

[0004] The above existing technical solutions have the following defects: after the two socket-type concrete pipes are sealed by the rubber ring, the rubber ring is only inserted between the socket and the socket, and there is no corresponding fixing structure to fix the rubber ring on the concrete On the pipe, when the fluid pressure in the concrete pipe is high, the rubber ring is easy to break away from the concrete pipe, resulting in the sealing of the concrete pipe is not tight enough, which further leads to the leakage of the fluid in the concrete pipe

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