Novel pipe section telescopic device

The utility model discloses a novel pipe section telescopic device, which mainly consists of a front straight pipe section, a fixed support frame, steam cylinders, a push plate, connecting elements, a pneumatic system and a back straight pipe section, wherein the push plate is fixedly arranged on the periphery of the front part of the front straight pipe section, a flange is arranged at the front end opening part, two steam cylinders are fixedly arranged on the fixing support frame, shaft heads of the steam cylinders are fixedly connected with the push plate through the connecting elements, the back straight pipe section is arranged on the fixing support frame in a way of corresponding to the front straight pipe section, a flow rate meter to be detected is arranged between the front straight pipe section and the back straight pipe section, the lower part of the fixing support frame is provided with the pneumatic system, and a pressure transmitter is arranged on the front straight pipe section. The novel pipe section telescopic device overcomes the defects of the traditional telescopic device, so that the structure is fine and reasonable, the manufacturing cost is reduced, and the pressure and temperature measurement of different positions during the test of various flow rate meters can be met. The meter lamping requirements of large-caliber telescopic devices are better met.