Abstract
The focus on the research of structural parameters and determination of functional characteristics of the rocket lifting mechanism – the important subsystem of universal rocket transportation launching device is made in the paper. The latter device is intended for the transportation of rocket-type targets and their effective launching during field training process of anti-aircraft missile system crews. The device is developed by integrating transportation subsystem in the form of single axle (light weight) trailer and launching subsystem – a six bar hydraulically actuated linkage. The launching device able to ensure necessary launching angles (in the range 30 0 -70 0 ), fast transition from the transportation to the launching mode and together meeting constraints set by motion stability requirements at transportation mode was developed. By performing structural analysis a set of links’ geometrical parameters enabling the launching angle range and having minimized vertical dimensions at transportation mode were selected. By kinematical analysis of the linkage, input parameters of actuating hydraulic cylinder ensuring constant velocity and smooth motion of the rocket guides were determined. The performed field tests of air target launching proved efficient operation of the developed rocket transportation launching device. DOI: http://dx.doi.org/10.5755/j01.mech.21.4.12261
Highlights
The issue of research and development of a universal rocket transportation launching device which serves as an important structural part of the air target system under development is addressed in the paper
This air target system intended to be used for practical field training of the crew members of anti-aircraft missile system is comprised of the rocket type air target and its transportation launching system
In the majority of towable dumping trailers, hydraulic power is utilized to initiate dumping mechanisms, research on structural parameters in order to achieve the desired dynamical characteristics of the output link is not provided in the mentioned reference sources
Summary
The issue of research and development of a universal rocket transportation launching device which serves as an important structural part of the air target system under development is addressed in the paper. Due to economic reasons the principle concept used for the developed universal rocket transportation launching device is single axle trailer with the integrated rocket guides lifting-positioning mechanism while all the system being towed by commercial cargo vehicle. From functional viewpoint this concept is close to the one used in dumping trailers the payload bed of which is tilted by a lifting mechanism creating conditions for dumping action [1,2,3]. In order to ensure short duration transition from transportation to the launching mode, the proper positioning and motion characteristics (to have the necessary launching conditions) of the rocket guides, kinematical and dynamical analysis of the rocket lifting mechanism was performed
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