High-strength tubular pile foundation pit support

The utility model relates to the technical field of foundation pit supports, and discloses a high-strength tubular pile foundation pit support which comprises a fixing rod, fixing rings are fixedly connected to the two sides of the surface of the fixing rod, connecting blocks are fixedly connected to the surfaces of the fixing rings, a connecting belt is fixedly connected to one side of each connecting block, and the connecting belts are fixedly connected to the other side of each connecting block. An assembling cylinder is fixedly installed at the bottom of the fixing rod, a bolt capable of adjusting tightness is arranged on one side of the assembling cylinder, a rubber ring is fixedly connected into the assembling cylinder, and an assembling rod is connected into the assembling cylinder in a clamped mode. According to the high-strength tubular pile foundation pit support, through the arrangement of the fixing rods, the assembling cylinders, bolts and the assembling rods, when an engineer needs to support a