The research of the dynamic load of the power train of the caterpillar tractor Chetra 6C-315

• Autorzy: Shekhovtsov V. , Sokolov-Dobrev N. , Shevtchuk V. , Liashenko E.
• Języki publikacji: EN

Abstrakty

EN

The paper describes the developed dynamic model of the caterpiller's power transmission. Its advantage is the integrated dimensional model of caterpillar propeller. Animated motion modelling provides the formation and transfer of kinematic and dynamic disturbances from caterpillar chassis, causing the greatest loadings of the power circuit sections. The principle of power transmission mathematical model’s differential equations forming is described. Result of the model's computational research is a set of oscillograms of the drive wheel’s torque changing for different operating modes. The values of power transmission masses' natural frequencies are obtained. The research of the nature of transmission sections' dynamic loading by torsional vibrations, that arise and spread on the shafting, when the linked track rewinds, is carried out. The diagrams show that local maximums of dynamic coefficients characterize the regimes with high hook load. The increase of torques for these sections happens because of approximation of the peculiar frequency of the system and the frequency of one of the harmonic components of stimulating actions. At this peak, value of the oscillation belongs to the masses, the partial frequencies of which are closest to the frequencies to the stimulation actions. Dynamic load of such sections is quite high. The material of these sections often gets fatigue damage, which can lead to breakdown. The analysis of the diagrams, made for basic operation speeds between 1,0 – 5,5 m/sec showed, that maximal peak values of dynamic coefficients appear on sections between 10 and 59 masses in the transmission. Maximal dynamic load of these sections appear at hook load from 0 to 40 kN.

Słowa kluczowe

EN

dynamic load; power train; dynamic model; torsional vibration; caterpillar tractor

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2011
• Tom: Vol. 18, No. 1
• Strony: 535--546
• Opis fizyczny: Bibliogr. 21 poz,. rys.

Twórcy

autor

Shekhovtsov V.

autor

Sokolov-Dobrev N.

autor

Shevtchuk V.

autor

Liashenko E.

• Volgograd State Technical University, Faculty of Auto-tractor Lenin Avenue 28, 4000131 Volgograd, Russia tel.[phone], 248162, 248171 fax: [phone], 248182,

Bibliografia

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