Non-return grouting pipe joint

• Main Authors: YE YUSHAN, WANG QINGSHAN, SHEN SHIHAO, FENG DAKUO, LU HAILU, CHEN JING
• Format: Patent
• Language: Chinese; English
• Published: 29.11.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; EMBANKMENTS; ENGINEERING ELEMENTS AND UNITS; EXCAVATIONS; FIXED CONSTRUCTIONS; FOUNDATIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; HYDRAULIC ENGINEERING; LIGHTING; MECHANICAL ENGINEERING; SOIL SHIFTING; TAPS; THERMAL INSULATION IN GENERAL; UNDERGROUND OR UNDERWATER STRUCTURES; VALVES; WEAPONS

The utility model provides a non-return grouting pipe joint which solves the problem that after a first spring in the grouting pipe joint is used, if the first spring is not cleaned in time or grout is solidified due to accidental shutdown for a long time, the first spring is difficult to stretch out and draw back. The grouting device comprises a grouting pipe extending in the vertical direction, a grouting pipe connector extending in the horizontal direction and a watchband component. A positioning insertion pipe communicated with the interior of the grouting pipe is vertically and fixedly arranged on the pipe wall of the grouting pipe, and the positioning insertion pipe is of a straight pipe structure which is through left and right; the left end of the grouting pipe joint is of an opening structure and is fixedly embedded in the watchband component, the grouting pipe joint sleeves the positioning insertion pipe from right to left under the driving of the watchband component, and the outer diameter of the p