Planetary reducer with high protection performance

Abstract

The utility model provides a planetary reducer with high protection performance. The planetary reducer comprises an inner gear ring, a planetary reduction assembly, an output flange and an output shaft. A chromium plating layer is arranged on the surface of the inner gear ring; an input flange is integrally formed on the outer side of the left end of the inner gear ring; the inner teeth of the inner gear ring are formed on the left part in the inner gear ring; the output flange is radially locked at the right part in the inner gear ring through a screw; the planetary speed reduction assembly is arranged on the left portion in the inner gear ring and is in transmission connection with the inner gear. The output shaft is rotationally connected to the inner side of the output flange through a bearing; the output shaft is connected with the planetary speed reduction assembly; an oil seal is connected between the right end of the output shaft and the output flange; the inner gear ring is filled with high and low temperature grease; the design has good functions of preventing high temperature, low temperature and ultraviolet rays.

Description

Technical Field

[0001] The utility model relates to the technical field of planetary reducers, in particular to a planetary reducer with high protection. Background Art

[0002] Planetary reducers need to be designed with different functions according to different application locations and regions. For reducers used outdoors in the northwest region of China, the life of the reducer is greatly reduced due to the large temperature difference between day and night and strong ultraviolet rays in the region, so improvements are still needed. Utility Model Content

[0003] The purpose of the utility model is to provide a planetary reducer with high protection to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0005] A highly protective planetary reducer comprises an inner ring gear, a planetary reduction assembly, an output flange and an output shaft; the surface of the inner ring gear is provided with a chrome plating layer; an input flange is integrally formed on the outer side of the left end of the inner ring gear; the inner teeth of the inner ring gear are formed in the left part of the inner ring gear; the output flange is radially locked in the right part of the inner ring gear by screws; the planetary reduction assembly is arranged in the left part of the inner ring gear and is transmission-connected to the internal teeth; the output shaft is rotationally connected to the inner side of the output flange through a bearing; the output shaft is connected to the planetary reduction assembly; an oil seal is connected between the right end of the output shaft and the output flange; and the inner ring gear is filled with high and low temperature grease.

[0006] To further describe the present invention, a sealing ring installation groove is provided on the right side of the input flange; a sealing ring is installed in the sealing ring installation groove.

[0007] Further description of the present invention: a plurality of conical countersunk holes are distributed on the right circumference of the inner gear ring; screw holes are respectively provided at the positions corresponding to the conical countersunk holes on the output flange; the screws are conical head screws; the screws are installed in the conical countersunk holes and locked in the screw holes.

[0008] Further description of the present utility model, the planetary reduction assembly includes a first sun gear, a first planet gear, a first planet carrier, a second sun gear, a second planet gear, a second planet carrier, a third sun gear, a third planet gear and a third planet carrier; the first sun gear is arranged at the center of the left end of the inner gear ring, and is used to connect the output end of the motor; the first planet carrier is arranged on the right side of the first sun gear; a plurality of first planet gears are arranged and circumferentially distributed and installed on the left side of the first planet carrier; the first planet gears are respectively engaged with the first sun gear and the internal gear; the second sun gear is fixed on the first planet carrier and is located at the center position of the right side of the first planet carrier; the second planet carrier is located on the right side of the second sun gear; a plurality of second planet gears are arranged and circumferentially distributed and installed on the left side of the second planet carrier; the second planet gears are respectively engaged with the second sun gear and the internal gear; the third sun gear is fixed on the second planet carrier and is located at the center position of the right side of the second planet carrier; the third planet carrier is located on the right side of the third sun gear; a plurality of third planet gears are arranged and circumferentially distributed and installed on the left side of the third planet carrier; the third planet gears are respectively engaged with the third sun gear and the internal gear.

[0009] To further describe the present invention, the output shaft and the third planet carrier are integrally formed.

[0010] Further description of the present invention: a mounting hole is provided at the center of the output shaft; a mounting groove is provided on the left side of the third planetary carrier; the mounting groove is connected to the mounting hole; and a plug is installed in the mounting groove.

[0011] The beneficial effects of the utility model are:

[0012] This design installs the planetary reduction assembly, output flange, input shaft and other components inside the inner gear ring, and plates the inner gear ring with chrome, which can effectively resist high temperature, low temperature and ultraviolet rays. It can be used for a long time even in areas with large temperature difference between day and night and strong ultraviolet rays, thus improving the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a sectional view of the overall structure of the utility model. DETAILED DESCRIPTION

[0014] The present invention will be further described below with reference to the accompanying drawings:

[0015] like Figure 1As shown, a highly protective planetary reducer includes an inner ring gear 1, a planetary reduction assembly 2, an output flange 3 and an output shaft 4; the inner ring gear 1 is provided with a chrome plating layer; an input flange 11 is integrally formed on the outer side of the left end of the inner ring gear 1; the inner teeth 12 of the inner ring gear 1 are formed in the left part of the inner ring gear 1; the output flange 3 is radially locked to the right part of the inner ring gear 1 by screws 5; the planetary reduction assembly 2 is arranged in the left part of the inner ring gear 1 and is transmission-connected to the inner teeth 12; the output shaft 4 is rotationally connected to the inner side of the output flange 3 by a bearing 6; the output shaft 4 is connected to the planetary reduction assembly 2; an oil seal 7 is connected between the right end of the output shaft 4 and the output flange 3; the inner ring gear 1 is filled with high and low temperature grease; in this design, the planetary reduction assembly 2, output flange 3, input shaft and other components are all installed in the inner ring gear 1, and the surface of the inner ring gear 1 is plated with chrome, so that it can effectively resist high temperature, low temperature and ultraviolet rays, and can be used for a long time even in areas with large temperature differences between day and night and strong ultraviolet rays, thereby improving the service life.

[0016] A sealing ring installation groove 291111 is provided on the right side of the input flange 11 ; a sealing ring 112 is installed in the sealing ring installation groove 291111 to improve the sealing performance and prevent rainwater from entering during use.

[0017] Several tapered countersunk holes 13 are distributed on the right circumference of the inner gear ring 1; screw holes 31 are respectively provided on the output flange 3 at positions corresponding to the tapered countersunk holes 13; the screws 5 are tapered head screws; the screws 5 are installed in the tapered countersunk holes 13 and locked in the screw holes 31, and the tapered head screws 5 are used to perform radial locking to improve stability.

[0018] The planetary reduction assembly 2 includes a first sun gear 21, a first planet gear 22, a first planet carrier 23, a second sun gear 24, a second planet gear 25, a second planet carrier 26, a third sun gear 27, a third planet gear 28 and a third planet carrier 29; the first sun gear 21 is arranged at the center of the left end of the inner gear ring 1, and is used to connect to the output end of the motor; the first planet carrier 23 is arranged on the right side of the first sun gear 21; a plurality of first planet gears 22 are provided and are circumferentially distributed and installed on the left side of the first planet carrier 23; the first planet gears 22 are respectively engaged with the first sun gear 21 and the inner gear 12; the second sun gear 24 is fixed to the first planet carrier 23 and is located at the center position on the right side of the first planet carrier 23; the second planet gear 24 is fixed to the first planet carrier 23 and is located at the center position on the right side of the first planet carrier 23; The planet carrier 26 is located on the right side of the second sun gear 24; a plurality of second planetary gears 25 are provided and are circumferentially distributed and installed on the left side of the second planetary carrier 26; the second planetary gears 25 are respectively engaged with the second sun gear 24 and the inner gear 12; the third sun gear 27 is fixed on the second planetary carrier 26 and is located at the center position on the right side of the second planetary carrier 26; the third planetary carrier 29 is located on the right side of the third sun gear 27; a plurality of third planetary gears 28 are provided and are circumferentially distributed and installed on the left side of the third planetary carrier 29; the third planetary gears 28 are respectively engaged with the third sun gear 27 and the inner gear 12; in this design, the output shaft 4 is in a braking state, and the first sun gear 21 is controlled by the motor to rotate and input power, and the power is output by the inner gear ring 1 after deceleration.

[0019] In this design, the output shaft 4 and the third planet carrier 29 are integrally formed.

[0020] A mounting hole 41 is provided at the center of the output shaft 4; a mounting groove 291 is provided on the left side of the third planetary carrier 29; the mounting groove 291 is connected to the mounting hole 41; a plug 292 is installed in the mounting groove 291, and the setting of the plug 292 prevents leakage of high and low temperature grease.

[0021] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A planetary reducer with high protection, comprising an inner ring gear, a planetary reduction assembly, an output flange and an output shaft; characterized in that: The surface of the inner gear ring is provided with a chrome plating layer; an input flange is integrally formed on the outer side of the left end of the inner gear ring; the internal teeth of the inner gear ring are formed in the left part of the inner gear ring; the output flange is radially locked to the right part of the inner gear ring by screws; the planetary reduction assembly is arranged in the left part of the inner gear ring and is connected to the internal gear transmission; the output shaft is rotatably connected to the inner side of the output flange through a bearing; the output shaft is connected to the planetary reduction assembly; an oil seal is connected between the right end of the output shaft and the output flange; and the inner gear ring is filled with high and low temperature grease.

2. A planetary reducer with high protection according to claim 1, characterized in that: A sealing ring installation groove is provided on the right side of the input flange; a sealing ring is installed in the sealing ring installation groove.

3. The planetary reducer with high protection according to claim 1, characterized in that: There are several conical countersunk holes distributed on the right circumference of the inner gear ring; screw holes are respectively provided on the output flange at positions corresponding to the conical countersunk holes; the screws are cone-head screws; the screws are installed in the conical countersunk holes and locked in the screw holes.

4. The planetary reducer with high protection according to claim 1, characterized in that: The planetary reduction assembly includes a first sun gear, a first planet gear, a first planet carrier, a second sun gear, a second planet gear, a second planet carrier, a third sun gear, a third planet gear and a third planet carrier; the first sun gear is arranged at the center of the left end of the inner gear ring, and is used to connect the output end of the motor; the first planet carrier is arranged on the right side of the first sun gear; a plurality of first planet gears are arranged and circumferentially distributed and installed on the left side of the first planet carrier; the first planet gears are respectively engaged with the first sun gear and the internal teeth; the second sun gear is fixed on the first planet carrier and is located at the center position of the right side of the first planet carrier; the second planet carrier is located on the right side of the second sun gear; a plurality of second planet gears are arranged and circumferentially distributed and installed on the left side of the second planet carrier; the second planet gears are respectively engaged with the second sun gear and the internal teeth; the third sun gear is fixed on the second planet carrier and is located at the center position of the right side of the second planet carrier; the third planet carrier is located on the right side of the third sun gear; a plurality of third planet gears are arranged and circumferentially distributed and installed on the left side of the third planet carrier; the third planet gears are respectively engaged with the third sun gear and the internal teeth.

5. A planetary reducer with high protection according to claim 4, characterized in that: The output shaft and the third planet carrier are formed integrally.

6. A planetary reducer with high protection according to claim 5, characterized in that: A mounting hole is provided at the center of the output shaft; a mounting groove is provided on the left side of the third planetary carrier; the mounting groove is communicated with the mounting hole; and a plug is installed in the mounting groove.

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