Water flow velocity measuring instrument

• Main Authors: XIAN KEYU, YANG WENHU, LEE MYUNG-WON, XIANG GUANGBING, ZHAO DAQIANG, SU LIN
• Format: Patent
• Language: Chinese; English
• Published: 16.06.2023
• Subjects: INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; PHYSICS; TESTING

The utility model discloses an overwater flow velocity measuring instrument, which relates to the technical field of flow velocity measurement and comprises a fixing rod and an air bag, a fixing hole is arranged in the air bag, a fixing pipe is fixedly connected in the fixing hole, the inner diameter of the fixing pipe is larger than the diameter of the fixing rod, a bearing is rotatably connected to the lower end of the fixing pipe, and a connecting pipe is fixedly connected to the lower end of the bearing. The right end of the connecting pipe is fixedly connected with a rotating speed sensor, the left end of the connecting pipe is in threaded connection with a threaded rod, the left end of the threaded rod is fixedly connected with a guide plate, a rotating shaft is rotationally connected into the rotating speed sensor, and paddles are installed on the outer side of the rotating shaft. Then the air bag and the device at the lower end are put into water together, at the moment, buoyancy of the air bag enable