Bearing combination tool with lock needle mechanism

The utility model discloses a bearing combination tool with a lock needle mechanism. The technical scheme includes that the bearing combination tool is characterized by comprising a bearing box, a movable supporting plate, a bearing rod and a serial connection rod, the bearing box comprises a top box and a bottom box, the top box is fixedly connected with the bottom box by a fixing pin, the top box and the bottom box can take the fixing pin as a central line and rotate in an opened and closed manner, and a fixed handle is arranged at the edge of the top box, so that the top box and the bottom box are locked together. The bearing combination tool can be rapidly assembled, positioned and used on a construction site, the supporting height of the bearing tool can be rapidly adjusted as needed, a large device seal head limb is rapidly positioned, a counterpart gap, alignment tolerance, an edge angle and ellipticity are conveniently adjusted, and construction efficiency is improved. The tool is reasonable in structure, simple to operate, convenient to assemble, disassemble, transport and store, safe, reliable and high in construction efficiency, can be repeatedly used and has fine economic practicality.