Development Of High Stability Device And Structure Optimization Of Curve Axis Measuring System

Aiming at the problems such as imperfection of process in the existing advancement of the ship propulsion shaft system and insufficient measurement accuracy of the shaft axis installation,such as the bearing wear,partial grinding and vibration noise caused by the shaft bearing.In this paper,based on the calculation model of the propeller system and the method of adapting the design curve of the axial curve of the design curve,the performance guarantee and structure of the high precision curve axis measurement technology are combined with the long distance non-diffractive optical space linear reference measurement technique Optimized to carry out research.The design of high stability drift detection device and the optimization of related structural components such as artificial target bobbin are completed.Based on the comparative analysis of the axis measurement method of the ship propulsion shaft,this paper presents a new method and method of precision measurement of the long distance shaft system by using the curve axis measuring system.The composition and principle of the curve axis measuring system are expounded in detail,and its technical indexes and operation methods are discussed in detail.At the same time,it is also verified that the imaging quality of the long-range non-diffractive linear reference is verified,and the distance generator of the reference generator is provided to stabilize the optical straight line.Aiming at the problem of current drift without diffraction beam,this paper developed a set of integrated high stability non-diffractive beam drift detection device based on the design idea of coarse and fine two-stage steering mechanism.The device adopts the coarse and fine two-stage coordination to ensure the stability and precision of the mechanism,the adjustment range is large,the stability is good,and the multi-degree of freedom adjustment of the non-diffractive light linear reference position can be realized quickly and easily.In addition,the rationality,stability and maneuverability of the mechanical structure of the detection device are verified.In this paper,the corresponding compensation algorithm of beam drift is studied and the calculation program is developed in combination with the non-diffraction beam drift detection device.The function of acquiring and displaying the beam image and its center coordinates directly in real time can be realized by observing the video window directly.It provides quick and effective guidance for the accurate pose adjustment of the non-diffractive linear reference through the high stability drift detection device.In this paper,the reference optical path and the drift detection algorithm are improved,and the image is collected in real time by the image detector,and the fast calculation and real-time display of the diffracted light beam drift are realized.In addition,this paper also studied the artificial target bobbin used in the measurement of the bearing hole of the bearing hole.Based on the theoretical calculation and simulation analysis,the design scheme,the structure size and the mechanical characteristics of the artificial target core sleeve of the bearing hole are analyzed and optimized.The mechanical properties such as feasibility,operability,stress and strain were tested and tested with a manual target bobbin as the test object.The application instructions for the installation,removal and routine protection of such bobbin sleeves are also given.