Balance supporting device for vehicle-carried precision instrument

The utility model discloses a balance supporting device for a vehicle-carried precision instrument, which has a support on which an instrument base is arranged. The utility model is characterized in that the support is a T-type support supported by three slantwise lifting support legs which extend in space to intersect into one point, the intersecting point is an installing axis of the instrument base, three bottom holes corresponding to the lifting support legs are arranged on the bottom board of a vehicle, the lifting support legs extend out of the vehicle by passing through the bottom holes, a positioning device for folding and unfolding the support is arranged on the T-type support, and fastening devices which are not in working states are arranged on the lifting support legs. Compared with the prior art, the utility model has the advantages of simple structure, convenient use, reasonable design and simple operation; besides, once being adjusted in balance, the instrument can work, and does not need to be