Plunger pump base and plunger pump device

A plunger pump base, comprising:

• a support assembly, comprising a top plate, a bottom plate and a support frame between the top plate and the bottom plate, the top plate and the bottom plate being oppositely arranged at an interval, the support frame being fixed with the top plate and the bottom plate, wherein the support assembly is configured to bear a plunger pump on the top plate;
• and
• an extension assembly, comprising an extension block, a first telescopic mechanism, a second telescopic mechanism, a first fixed ear-plate connected to the extension block, and a first connection shaft on the first fixed ear-plate;
• wherein one end of the first telescopic mechanism is rotatably connected to the extension block, an other end of the first telescopic mechanism is rotatably connected to the top plate, and the first telescopic mechanism is configured to extend or contract, one end of the second telescopic mechanism is rotatably connected to the extension block, an other end of the second telescopic mechanism is rotatably connected to the bottom plate, the second telescopic mechanism is configured to extend or contract;
• and
• wherein the one end of the first telescopic mechanism rotatably connected to the extension block is rotatably connected to the first connection shaft, and the one end of the second telescopic mechanism rotatably connected to the extension block is rotatably connected to the first connection shaft.