Push-and-pull type composite roadblock and manufacturing method

Abstract

The invention relates to a push-and-pull type composite roadblock. The push-and-pull type composite roadblock comprises a big triangular roadblock, a medium-sized triangular roadblock and a small roadblock, wherein the small roadblock is mounted in the medium-sized triangular roadblock, and the medium-sized triangular roadblock is mounted in the big triangular roadblock to form the push-and-pull type composite roadblock. A leather sleeve of the roadblock and the interior of the roadblock are fixed by using EPE sponge. The push-and-pull type composite roadblock has the advantages of simple appearance, convenient assembling, high practicability, easy storage and complete functions.

Description

technical field [0001] The invention relates to a pull-out combined roadblock and a manufacturing method thereof. Background technique [0002] A roadblock is an obstacle blocking road traffic. It can refer to a barrier used as a fence during road construction, and a security roadblock in front of an important building. The use of barricades may have originated in the turbulent Paris of the 16th century. Under the rule of King Henry III, the lives of the French people were difficult. Supporters of the Duke of Guise took to the streets on May 12, 1588 and built barricades on the streets , known as the first day of the barricade in history, in the next two centuries, the barricade played an extremely important role in the large social movements in France. With the development of social history, with the development of society, roadblocks have now developed into a variety of colors and styles, and their functions have gradually been enriched. They have also developed into two ...

AI Technical Summary

Problems solved by technology

Generally, fixed roadblocks and mobile roadblocks occupy a large area and are cumbersome and difficult to move, and storage is troublesome

Images