Pressing machine of crawler bulldozer blade cylinder

The utility model provides a pressing machine of a crawler bulldozer blade cylinder. The pressing machine comprises a reinforced machine body, a first V-shaped device, a limiting device, a second V-shaped device, a clamping device, an oil cylinder to be arranged, a hinge pin, a pressure head, a reversing valve, a connecting device, a clamping device, a front cavity oil feeding pipe, a rear cavity oil feeding pipe, a limiting device and an ejection rod oil cylinder assembly, wherein the first V-shaped device, the limiting device and the second V-shaped device are sequentially mounted at the lower half part of the reinforced machine body from bottom to top; the clamping device is connected to the second V-shaped device through a hinge; the clamping device and the limiting device are sequentially arranged at the upper half part of the reinforced machine body from bottom to top, so as to fix the ejection rod oil cylinder assembly; and the reversing valve is mounted in the middle of the reinforced machine body and