Adjustable clamp used for marine deck welding test

An adjustable clamp for marine deck welding test, comprising:

• a supporting device;
• a guiding and positioning device;
• and
• a clamping device, wherein,
• the supporting device comprises:
• a working platform and at least four supporting blocks located at the corners of the working platform, with the bottom surfaces of the supporting blocks fixedly connected to the top surface of the working platform;
• the guiding and positioning device comprises:
• a plurality of guiding shafts, a plurality of guiding plates, and a plurality of positioning rods, the guiding shafts are located at the two sides of the working platform and are detachably connected with the supporting blocks, all of the guiding shafts penetrate through the guiding plates, the guiding plates can slide horizontally along the guiding shafts, at least one column of through-holes are arranged on each guiding plate in the direction perpendicular to the sliding direction, the through-holes located at the central part are guiding plate bolt holes, while the through-holes located at the two sides are guiding plate positioning holes, the positioning rods are placed in the guiding plate positioning holes and the upper ends of the positioning rods are higher than the guiding plates;
• and
• the clamping device comprises:
• a plurality of pressing plates located on the upper parts of the guiding plates and provided with pressing plate bolt holes corresponding to the guiding plate bolt holes, and the pressing plates are connected with the guiding plates via bolts mounted in the guiding plate bolt holes and the pressing plate bolt holes.