Rail transit firefighting quick connecting device

• Main Authors: DENG YONG, CHEN XINGJIE, LIU SHANCHUN, LIU SHIZE, WANG QI, LIU YANG, WANG DECHUN, ZHANG LI, LIU HUAQIAO, YAO YUEMING
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2020
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to the technical field of pipeline connection. The utility model further discloses a rail transit fire-fighting rapid connecting device. The device comprises a ground, supports are fixedly installed on the left side and the right side of the top of the ground, a hydraulic pump is fixedly installed on the top of the ground and located on the right side of the right support, a valve body is fixedly installed on the top of the right support, a valve element is rotatably connected into the valve body, and a water outlet pipe is fixedly installed on the top of the left support. The utility model discloses a rail transit fire-fighting quick connecting device. A telescopic spring and a ring sleeve are arranged; compression of balls, and through the sealing ring, water flow is prevented from entering the outer surface of the clamping head after clamping, through the annular spring and the ball, the annular spring can be arranged in the clamping head in a sleeving modein the return state, the