Gearmotors – a mechanism that consists of the motor and gearbox (in the Rada of the motor-reducer gear motor is called). Most prevalent in the industry planetary, worm and Helical geared motors. Planetary and spur gearboxes manufactured by coaxial relative position of the motor and output shaft, worm – with the location of the motor at 90 degrees to the output shaft. Gearmotor engineering application are: – Helical geared motors – planetary gear motor – spiroidnye motor-reducer – Worm and Helical-worm geared motor – wave motor-reducer – gear motor for special applications. Scope gearmotors: automation and control systems, control devices, processing and reporting, special tools, medical equipment, automatic and automated control systems that monitor the mini-drives. Reduction unit – unit included in the machine drive and needed to reduce the angular velocities of the slave shaft in order to increase torque. In addition, a mechanism for reducing and maintaining a constant pressure of working medium (gas, vapor or liquid) at the outlet from the tank or other container with a higher pressure also act as a safety and shut-off valve. Gearboxes are mounted in the apparatus for gas welding, in chlorinator water saturator, etc, they can be applied to various devices for implementation of the additional operations of mixing, heating, cooling, etc.
The main element is reducing valve gear. Valve connected to a flexible flat membrane, which on the one hand affects helical spring, and with another – the pressure of liquid or gas. Allocate gears forward and reverse action. In these units, respectively, of the spring coincides with the pressure of the medium or the opposite of him..