Article 15413

Title of the article



Shcherbakov Vitaliy Sergeevich, Doctor of engineering sciences, professor, dean of the faculty of oil-and-gas
and construction technology, Siberian State Automobile and Highway Academy (5 Mira avenue, Omsk, Russia),
Korytov Mikhail Sergeevich, Doctor of engineering sciences, professor, sub-department of construction materials and special technologies, Siberian State Automobile and Highway Academy (5 Mira avenue, Omsk, Russia),
Shabalin Andrey Nikolaevich, Postgraduate student, Siberian State Automobile and Highway Academy (5 Mira avenue, Omsk, Russia), 

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Background. Safety of the working process of load-lifting cars is a topical problem for the following reasons: first, a person involved in production has to be confident in safety; secondly, emergencies lead to big financial expenses.
Materials and methods. For safety of production of load-lifting cars the there was created a set of various devices and systems of safety intended to preserve stability of load-lifting cars which principle of action is based on restriction of the load moment created by the crane itself. This approach is applicable for a case of operation of the separate car with own single freight. In working process of a set of cars with the general freight there are features which make all these devices ineffective as autonomous and independent increase of stability of one car by existing devices, as a rule, causes decrease in stability of all other cars. All impacts on the crane-pipe layer may be divided ino thigh-frequency and low-frequency ones.
Results. For compensation of low-frequency impacts the authors created a system of automatic control, for compensation of high-frequency impacts the researchers created a device of stabilization of the load moment since due to the delay of the hydraulic actuator the control system doesn't manage to deal with high-frequency impacts.

Key words

pipelaying column, set of cars, crane pipe layer, control system, stability moment, settlement scheme, uniform coordinates. 

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Дата создания: 29.08.2014 19:28
Дата обновления: 01.09.2014 09:30