DEVELOPMENT OF SAFETY CLUTCH FOR TRACTOR P.T.O. DRIVES

1955 ◽  
Author(s):  
Sherman C. Heth
Keyword(s):  
Safety Clutch

scholarly journals Experimental studies of the inertial safety clutch for screw conveyor

2020 ◽  
Vol 100 (4) ◽  
pp. 86-96
Author(s):  
Vasyl Karetin ◽  
Petro Stukhlyak ◽  
Andrii Kurko
Keyword(s):  
Experimental Studies ◽  
Output Shaft ◽  
Screw Conveyor ◽  
Regression Equations ◽  
Braking Torque ◽  
Safety Clutch ◽  
Working Mechanisms

Devices that automatically shut down the working mechanisms when they are overloaded include friction, electromagnetic and other couplings. They allow adjusting the amount of allowable torque and automatically turning on the mechanisms when the overload stops. According to the results of the implementation of the planned factor experiments, the regression equations are obtained, which describe the change of the braking torque of the output shaft of the inertial safety clutch. The results of the study are the prerequisites for the development of methods for substantiating the rational parameters of the operation of inertial safety clutches.

scholarly journals Marine diesels mechanical charging driving improvement through overrunning-safety clutch application

2020 ◽  
Vol 26 (1) ◽  
pp. 58-71
Author(s):  
Владислав Олександрович Проценко ◽  
◽  
Володимир Олександрович Малащенко ◽  
◽  
◽  
...  
Keyword(s):  
Load Transfer ◽  
Steady Motion ◽  
Static Balance ◽  
Response Accuracy ◽  
Friction Forces ◽  
Operational Characteristics ◽  
Torque Response ◽  
Marine Diesel ◽  
Charging Efficiency ◽  
Safety Clutch

Article deals with marine diesels mechanical charging driving protecting problem. On the base of marine diesel EMD 710G overrunning clutch construction analysis its disadvantages were highlighted. Main of them is the principle of working load transfer by friction forces. That is the reason of clutch skidding in operation and charging efficiency degradation. A new design of the safety-overrunning clutch for marine diesels mechanical charging driving, based on the principle of engagement is proposed. In new overrunning-safety clutch construction, which protected by patent, the overrunning and safety parts are mutually integrated. Clutch operations on the overrunning and overload modes are described. On the basis of ball acting forces on steady motion description expressions for its static balance are obtained. Those static balance expressions were the basis for coupling nominal working torque ratios receiving. On the next stage ball forces balance on the overload mode was analyzed. As a result of those stage studies expressions for calculating overload spring deformation, torques of the beginning and ending of its operation are obtained. On the basis of clutch nominal torque, torques of beginning and ending operation the ratios for assessing the main operational characteristics of the coupling when operating in overload mode are obtained - coefficients for exceeding the nominal torque, response accuracy and sensibility.

scholarly journals The novel MRF-ball-clutch design – a MRF-safety-clutch for high torque applications

2013 ◽  
Vol 412 ◽  
pp. 012051 ◽  
Author(s):  
M Jackel ◽  
J Kloepfer ◽  
M Matthias ◽  
B Seipel
Keyword(s):  
The Novel ◽  
High Torque ◽  
Safety Clutch
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