Aiming at the existing problems of poor sealing effect and service and maintenance of an amphibious tank′s turret ring,this paper adopts a particular technique scheme which takes the solution combining active sealing and passive fast clearout and conducts specific design and true-vehicle tank experiment for this solution,which validates the feasibility and validity of this scheme.

In view of shortcomings of the existing cleanout and maintenance equipment for turret ring of amphibious tank, such as time consuming, easily damaging and lack of flexibility, a new cleanout and maintenance equipment is developed.

By equivalizing and simplifying the turret azimuth shafting in a system,the inherent torsion frequency of turret azimuth shafting is calculated and analyzed by using finite element model.

This paper presents an apporach to intelligent controlover the flexible connected turret of self-propelled antiaircraft gun,with the intention of remaining the turret stable while the gun is mov-ing, so as to boost stability of firing line and thus extend the tracerange of stabilization system of the firing line.

Structure mode and transient response analysis for turret under recoil resistance loading were finished.

Elasticity is provided along the radial direction of the seat ring on gun turret.