Publisher： Edp Sciences
E-ISSN： 2267-1242|15|issue|03003-03003
ISSN： 2267-1242
Source： E3S Web of conferences, Vol.15, Iss.issue, 2017-04, pp. : 03003-03003
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Abstract
The issue of designing drives, which provide low frequency (max. 1 rotation per minute) rotation with a big moment (min 1 MN m) of large technical bodies utilized in restricted spaces, is a complex and contradictory one. The drives of geokhod propeller, rotor actuators of tunneling machines with overload protection, as well as actuators of other machinery meeting aforementioned requirements are examples of such machines. The paper considers mathematical model developed by the authors which determines the relation of design factors of transmission tooled with hydraulic cylinders to kinematic parameters of output element movement. The paper also provides description of methods to determine pumping unit efficiency for rotary transmission tooled with hydraulic cylinders.
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