The study of dynamic processes in the hydraulic system of the roll clamp of a two-cone unwinder rolls pipe-welding unit 159-529
DOI:
https://doi.org/10.34185/1991-7848.itmm.2020.01.019Keywords:
DOUBLE-CONE UNWINDER, HYDRAULIC SYSTEM, PRESSURE, EFFORT, HYDRAULIC DISTRIBUTOR, TIME OF OPERATION, DYNAMIC LOADING, TRANSIENT PROCESSESAbstract
The work is devoted to the study of dynamic loads arising in the hydraulic system of the clamping mechanism of a roll of a two-cone unwinder rolls pipe-welding unit 159-529. A mathematical model for the study of dynamic processes in the hydraulic system of clamping a roll, taking into account the wave properties of long hydraulic lines, is proposed. During the implementation of the mathematical model in the Simulink MATLAB environment, a study was made of the operating modes of the hydraulic system of the roll clamp mechanism. As a result of the study, it was shown that in the hydraulic system of the clamping mechanism of a roll of a two-cone unwinder, dynamic loads occur at the end of the return stroke. A procedure for the operation of control valves with a response time of 0.16 seconds is proposed. This allows you to significantly reduce dynamic loads in the hydraulic system of the roll clamping mechanism.
References
Zhukovskiy N.E. O gidravlicheskom udare v vodoprovodnyih trubah / N.E. Zhukovskiy – M.: L.: Gostehizdat, 1949. – 412 p.
Tarko L. M. Perehodnyie protsessyi v gidravlicheskih mehanizmah / L.M. Tarko. — M.: Mashinostroenie, 1973. — 163 p.
Kozhevnikov S.N. Elektronnoe modelirovanie gidravlicheskih ustroystv s uchetom volnovyih protsessov v truboprovode / S.N. Kozhevnikov, V.F. Peshat, V.M. Loboda // Gidroprivod i gidropnevmoavtomatika: Resp. mezhved. nauchn.-tehn. sb. – 1986. – V. 22. – P. 117-123.
Nemirovskiy I.A. O realnom postroenii matematicheskoy modeli pri issledovanii volnovyih protsessov v truboprovode / I.A. Nemirovskiy, Zh.P. Dusanyuk, V.A. Chernyiy // Gidroprivod i gidropnevmoavtomatika: Resp. mezhved. nauchn.-tehn. sb. – 1986. – V. 22. – P. 60-64.
Dusaniuk Zh.P. Matematychna model dlia imitatsiinoho doslidzhennia v seredovyshchi MATLAB Simulink hidravlichnoho pryvodu postupalnoho rukhu z dovhoiu napirnoiu hidroliniieiu / Zh.P. Dusaniuk, O.V. Deribo, S.V. Repinskyi [ta in.] // Visnyk Vinnytskoho politekhnichnoho instytutu. – 2016. – № 3. – P. 108-115.
Dusaniuk Zh.P. Matematychna model ta alhorytm doslidzhennia dynamiky hidropryvodu kovsha nepovnopovorotnoho ekskavatora z urakhuvanniam khvylovykh protsesiv v napirnii hidrolinii / Zh.P. Dusaniuk, O.V. Petrov, O.V. Deribo [ta in.] // Visnyk Vinnytskoho politekhnichnoho instytutu. – 2015. – № 3. – P. 121-128.
Ioffe A.M. Opredelenie dinamicheskih nagruzok v gidrosistemah metallurgicheskih agregatov pri pomoschi matematicheskogo modelirovaniya / A.M. Ioffe, O.N. Kukushkin, K.P. Lopatenko, N.V. Mihaylovskiy – M.: Metallurgiya, 1986. – 32 p.
Mazur I.A. Sovershenstvovanie gidromehanicheskih sistem spetsialnyih mashin kolesoprokatnogo proizvodstva: Dis. … kand. tehn. nauk: 05.05.08. / Mazur Ihor Anatolevich. – Dnepropetrovsk, 2003. – 190 p.
Tarko L.M. Dinamicheskiy analiz zamknutoy gidroperedachi / Tarko L.M. // Pnevmatika i gidravlika: Privodyi i sistemyi upravleniya. – 1986. – V. 12. – P. 80-87.