Bending and leakage resistance testing device for precast concrete lining segment

The utility model discloses an anti-bending and anti-leakage performance testing device for a precast concrete lining segment. The utility model belongs to the technical field of segment performance testing. The device comprises a test bed, an anti-bending inspection device and a clamp, the test bench comprises a jack, an oil pump, a water pump and a segment displacement sensor. Water pump is a metering pump, a water outlet valve and a water pressure sensor are connected to a water outlet of the metering pump, and the water outlet valve is located between the water outlet of the metering pumpand the water pressure sensor; the output end of the controller is connected with the input end of the frequency converter, the output end of the frequency converter is connected with a motor of the oil pump and a motor of the metering pump, and the oil outlet valve, the oil return valve and the water outlet valve are connected with the output end of the controller. And when the oil pressure is reduced, the oil pump can c