Liming reducerGenerally used for low-speed and high-torque transmission equipment, the motor, internal combustion engine or other high-speed power is passed through the gear with a small number of teeth on the input shaft of the reducer to mesh with the large gear on the output shaft to achieve the purpose of deceleration. There will also be several pairs of gears with the same principle to achieve the ideal deceleration effect. The ratio of the number of teeth of the large and small gears is the transmission ratio. The reducer is a power transmission mechanism, which uses the speed converter of the gear to reduce the number of revolutions of the motor to the desired speed. The number of revolutions, and the organization of the larger torque. What parts does the Liming reducer consist of?
1, the box
The box is an important component of the reducer. It is the base of the transmission parts and should have sufficient strength and rigidity. The box is usually made of gray cast iron. For the reducer with heavy load or impact load, cast steel box can also be used In order to simplify the process and reduce the cost of the reducer produced by a single unit, a steel plate welded box can be selected.
2, reducer accessories
In order to ensure the normal operation of the reducer, in addition to paying sufficient attention to the structural design of gears, shafts, bearing assemblies and casings, it is also necessary to consider filling and draining the lubricating oil pool of the reducer, checking the oil level, machining and Reasonable selection and design of auxiliary parts and components such as accurate positioning of box cover and box seat during disassembly and maintenance, and hoisting.
3, gear, shaft and bearing combination
The pinion and the shaft are made into one piece, which is called the gear shaft. This structure is used when the diameter of the gear is not related to the diameter of the shaft. If the diameter of the shaft is d, and the diameter of the root circle of the gear is df, then when df- When d is less than or equal to 6-7mn, this structure should be selected. When df-d>6-7mn, the structure in which the gear and the shaft are separated into two parts, such as the low-speed shaft and the large gear, should be selected. At this moment, the gear and the shaft Circumferentially fixed flat key connection, shaft shoulders, bushings and bearing caps are used for axial fixation on shaft parts. Deep groove ball bearings are selected for both shafts.