CN206478175U - A kind of super abrasive electromechanical integration planet-gear speed reducer - Google Patents

Abstract

The utility model discloses a super wear-resistant electromechanical integrated planetary gear reducer, which comprises a machine body and an output shaft. Connect the intermediate shaft, set the input shaft at the right end of the body, the input shaft is provided with an input shaft fastening ring, the input shaft fastening ring is provided with an input flange, the first-stage sun gear is externally meshed with the first-stage planetary gear, The first-stage planetary gear is installed on the first-stage planet carrier, and the second-stage sun gear is far away from the first-stage sun gear. Positioning keys are set on the secondary planet carrier, and the positioning keys are connected to pin shafts. Positioning locking sleeves are set on the pin shafts. Wear-resistant metal balls are set on the end faces of the bevel gears of each sun gear, and wear-resistant metal balls are set on the end faces of the teeth of each planetary gear. With ball grooves, the utility model has the advantages of simple structure, reduced friction, improved wear resistance and prolonged service life.

Description

A super wear-resistant mechatronic planetary gear reducer

technical field

The utility model relates to a speed reducer, in particular to a super wear-resistant electromechanical integrated planetary gear speed reducer.

Background technique

The reducer plays the role of matching the speed and transmitting torque between the prime mover and the working machine or the actuator. The reducer is a relatively precise machine. The purpose of using it is to reduce the speed and increase the torque. According to the number of transmission stages, it can be divided into single-stage and multi-stage reducers; according to the shape of the gear wheel, it can be divided into cylindrical gear reducers, bevel gear reducers and conical-cylindrical gear pulley reducers; according to the layout of the transmission, it can be divided into It is divided into expansion type, split flow type and coaxial shaft type reducer. The reducer is an independent component composed of gear transmission, worm transmission, and gear-worm transmission enclosed in a rigid shell. It is often used as a reduction transmission device between the prime mover and the working machine. It plays the role of matching speed and transmitting torque between prime mover and working machine or actuator, and is widely used in modern machinery. There are also some problems in the method of improving the precision of the reducer: first, the precision requirements of the parts are high, the processing is very difficult, and the processing cost is also high; the second is that even if the processed high-precision parts are assembled into a high-precision reducer, However, these high-precision parts will wear out after long-term use, which will still reduce the accuracy, resulting in a reduction in the operating accuracy of the entire reducer.

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art, and provide a super wear-resistant mechatronic planetary gear reducer with reduced mechanical friction loss, improved wear resistance, simple structure and extended service life, including body, output shaft, input shaft, intermediate shaft, secondary planetary carrier, secondary planetary gear, primary planetary carrier, primary planetary gear, secondary sun gear and primary sun gear, the output shaft is provided with an output shaft fastening The output shaft fastening ring is provided with a gland, the output shaft is connected to the intermediate shaft, and the input shaft is arranged at the right end of the machine body. The input shaft is provided with an input shaft fastening ring, and an input flange is arranged outside the input shaft fastening ring. The first-stage sun gear meshes with the first-stage planetary gear, the first-stage planetary gear is installed on the first-stage planetary carrier, the second-stage sun gear is far away from the first-stage sun gear, and the second-stage planetary gear meshes with the first-stage planetary wheel, The secondary planetary gear is installed on the secondary planet carrier, and positioning keys are arranged on the secondary planet carrier, and the positioning keys are connected to pin shafts, and positioning locking sleeves are provided on the pin shafts, and the bevel gear end faces of each sun gear are provided with There are wear-resistant metal balls, and ball grooves are arranged on the tooth end face of each planetary wheel.

Preferably, a ventilation cap is provided outside the body.

Preferably, a lubricating groove is provided between the output shaft and the intermediate shaft.

Preferably, half of the wear-resistant metal ball is embedded in the bevel gear of the sun gear.

The beneficial effects of the utility model are: reduce the mechanical friction loss, make the force movement of the internal parts of the reducer more reasonable, the wear-resistant metal ball arranged on the end surface of the conical tooth cooperates with the ball groove, reduce friction and improve kinetic energy, and the positioning key and positioning lock The cooperation of the sleeve will limit the axial displacement of the first-stage planetary carrier and the second-stage planetary carrier, so that the transmission accuracy is improved, the friction is reduced, the wear resistance is improved, and the structure is simple and the service life is prolonged.

Description of drawings

The utility model will be explained by way of example and with reference to the accompanying drawings, wherein:

Fig. 1 is a sectional view of the utility model;

Figure 2 is a schematic diagram of the cooperation of the sun gear and the planetary gear.

detailed description

Any feature disclosed in this specification, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purposes. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

A super wear-resistant mechatronic planetary gear reducer as shown in Figure 1 and Figure 2, including a body 1, an output shaft 2, an input shaft 17, an intermediate shaft 5, a secondary planetary carrier 13, a secondary planetary wheel 12, The first-level planet carrier 10, the first-level planetary gear 9, the second-level sun gear 11 and the first-level sun gear 8, the output shaft 2 is provided with an output shaft fastening ring 3, and the output shaft fastening ring 3 is provided with a gland 4. The output shaft 2 is connected to the intermediate shaft 5. An input shaft 17 is provided at the right end of the body 1. An input shaft fastening ring 19 is provided on the input shaft 17. An input flange 18 is provided outside the input shaft fastening ring 19. The first-stage sun gear 8 meshes with the first-stage planetary gear 9, and the first-stage planetary gear 9 is installed on the first-stage planet carrier 10. The second-stage sun gear 11 is far away from the first-stage sun gear 8, and the second-stage planetary gear 12 meshes with the first-stage The planetary wheel 9, the secondary planetary wheel 12 is installed on the secondary planet carrier 13, the positioning key 16 is set on the secondary planet carrier 13, the positioning key 16 is connected to the pin shaft 14, and the positioning locking sleeve 15 is arranged on the pin shaft 14 , the bevel gear 20 end face of each sun gear is provided with wear-resistant metal balls 21, and the tooth 22 end face of each planetary gear is provided with ball grooves 23. The air vent cap 7 is arranged on the outside of the body 1 . A lubricating groove is provided between the output shaft 2 and the intermediate shaft 5 . Half of the wear-resistant metal ball 21 is embedded in the sun gear bevel gear 20 to form a half-wrapped structure.

The working principle of this specific embodiment is: under the action of the source power, the input shaft 2 rotates to drive the intermediate shaft 5, and the intermediate shaft 5 drives the primary sun gear 8 on the primary planet carrier 10 to rotate through the spline, and the primary sun gear 8 rotates. The wheel 8 drives the primary planetary wheel 9 to rotate through gear meshing, thereby driving the secondary planetary wheel 12 and the secondary sun gear 11. The positioning key 16 fixes the secondary planet carrier 13, and the positioning locking sleeve 15 is retracted, because it is meshing Thus, the first-stage planetary carrier 10 is also fixed at the same time. When the gear and the teeth mesh, the cooperation of the wear-resistant metal ball 21 and the ball groove 23 reduces friction through lubricating oil and improves the wear resistance of the gear.

The utility model is not limited to the aforementioned specific embodiments. The utility model extends to any new feature or any new combination disclosed in this specification, as well as the steps of any new method or process or any new combination disclosed.

Claims (4)

1. A super wear-resistant electromechanical integrated planetary gear reducer, including a body (1), an output shaft (2), an input shaft (17), an intermediate shaft (5), a secondary planetary carrier (13), and a secondary planetary gear wheel (12), primary planet carrier (10), primary planetary gear (9), secondary sun gear (11) and primary sun gear (8), it is characterized in that: the output shaft (2) is provided with There is an output shaft fastening ring (3), a gland (4) is arranged on the output shaft fastening ring (3), the output shaft (2) is connected to the intermediate shaft (5), and an input shaft (17) is set at the right end of the body (1) ), the input shaft (17) is provided with an input shaft fastening ring (19), and an input flange (18) is arranged outside the input shaft fastening ring (19), and the first-stage sun gear (8) engages The first-level planetary gear (9), the first-level planetary gear (9) is installed on the first-level planet carrier (10), and the second-level sun gear (11) meshes with the first-level planetary gear (9) through the second-level planetary gear (12) ), the secondary planetary gear (12) is installed on the secondary planetary carrier (13), the positioning key (16) is set on the secondary planetary carrier (13), and the positioning key (16) connects the pin shaft (14), Positioning locking sleeves (15) are arranged on the pin shaft (14), wear-resistant metal balls (21) are all arranged on the end faces of the bevel gears (20) of each sun gear, and wear-resistant metal balls (21) are arranged on the end faces of the teeth (22) of each planetary gear. There are ball grooves (23). 2. A super wear-resistant mechatronic planetary gear reducer according to claim 1, characterized in that: said body (1) is provided with a vent cap (7). 3. A super wear-resistant mechatronic planetary gear reducer according to claim 1, characterized in that a lubricating groove is provided between the output shaft (2) and the intermediate shaft (5). 4. A super wear-resistant mechatronic planetary gear reducer according to claim 1, characterized in that: half of the wear-resistant metal ball (21) is embedded in the sun bevel gear (20).