Trunk overlaps mount for forestry engineering

Trunk overlaps mount for forestry engineering fixes the cover including fixing cover, lower support rod, cooperation pole down, going up, goes up bracing piece, base, fixed cover is parallel to each other with last fixed cover down, it is less than down fixed cover diameter to go up fixed cover diameter, 4 lower stationary hump are connected in the fixed cover outside down, lower stationary hump align to grid outside fixed cover down, stationary hump passes through fixed axle connection lower support rod down, lower support rod rotates on the fixed axle under, the lower support rod lower part has the fixed orifices, cooperation pole upper portion has a plurality of mating holess, the mating holes is align to grid on the cooperation pole, fixed orifices, mating holes are corresponding, fixed orifices, mating holes cross -section are the square, the fixed orifices is through cooperation fix with plugs mating holes, the cooperation is tied and is meshed mutually with fit nut. 林业工程用树干套固定架，包括下固定套、下支撑杆、配合杆、上固定套、上支撑