CN219159451U

CN219159451U - Precise planetary reducer

Info

Publication number: CN219159451U
Application number: CN202320245691.6U
Authority: CN
Inventors: 周晗一; 周逸; 李艳萍; 陈静玲
Original assignee: Suzhou Chuangu Huiteng Intelligent Technology Co ltd
Current assignee: Suzhou Chuangu Huiteng Intelligent Technology Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-06-09
Anticipated expiration: 2033-02-17

Abstract

The utility model discloses a precise planetary reducer, which comprises a mounting shell, wherein an output flange and an input flange are respectively arranged at two ends of the mounting shell, an inner gear ring is arranged in the middle of the inside of the mounting shell, a plurality of evenly distributed oil inlet holes are formed in the periphery of the inner gear ring, oil feeders are arranged at positions, corresponding to the oil inlet holes, of the outer ends of the inner gear ring, an input shaft is arranged at one end, close to the input flange, of the mounting shell, and a sun gear is arranged at one end, close to the inner gear ring, of the input shaft. The beneficial effects are that: the arrangement of the oil inlet device continuously enables the planetary gear to be stained with lubricating oil during rotation of the planetary gear so as to achieve the effect of continuous lubrication of the planetary gear, so that the effect of filling a large amount of lubricating oil simultaneously so as to maintain the lubrication time of the planetary gear is effectively avoided, and the foreign matters on the tooth surfaces of the gear are effectively discharged due to continuous output of the lubricating oil, so that the quality of the lubricating oil in the middle of the gear is effectively guaranteed.

Description

Precise planetary reducer

Technical Field

The utility model relates to the technical field of speed reducers, in particular to a precise planetary speed reducer.

Background

The planetary reducer has the advantages of compact structure, small return clearance, higher precision and large rated output torque, and is used in heavy machinery needing large output torque at present.

In the use process of a planetary speed reducer, adding and replacing lubricating oil is an indispensable matter, and when the planetary speed reducer runs at a high speed without replacing the lubricating oil for a long time, the lubricating oil in the speed reducer becomes extremely thick, and the existing speed reducer is usually filled with a large amount of lubricating oil at the same time, so that uneven use of the lubricating oil is easy to occur, and impurities are easy to accumulate on tooth surfaces of gears.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

Aiming at the problems in the related art, the utility model provides a precise planetary reducer to overcome the technical problems in the prior art.

For this purpose, the utility model adopts the following specific technical scheme:

the utility model provides a precision planetary reducer, includes the installation casing, the both ends of installation casing are provided with output flange and input flange respectively, the inside middle part of installation casing is provided with the ring gear, the ring gear is provided with a plurality of evenly distributed's inlet port all around, the outer end of ring gear with the corresponding position of inlet port all is provided with the oil feed ware, the one end of installation casing that is close to input flange is provided with the input shaft, the input shaft is close to the one end of ring gear is provided with the sun gear, just the outside of sun gear be provided with sun gear with ring gear matched with a plurality of evenly distributed's planet wheel, the middle part of planet wheel all is provided with the planet axle, the planet axle is close to one side of input shaft is provided with first planet carrier, just the middle part of first planet carrier be provided with input shaft matched with movable bearing, the planet axle is kept away from one side of first planet carrier is provided with the second planet carrier, just the middle part of second planet carrier is provided with the output shaft runs through output flange.

Further, the first planet carrier includes with the connecting piece that the planet axle is connected, just the connecting piece keep away from one side of planet axle and with the position that the planet axle corresponds is provided with the installation axle, the middle part of installation axle all is provided with first positioning bearing, just one side of installation axle is provided with the fixed plate.

Further, one side of the second planet carrier is provided with a plurality of second positioning bearings which are uniformly distributed.

Further, positioning sliding grooves are formed in positions, corresponding to the first positioning bearings and the second positioning bearings, of the inner part of the installation shell.

Further, screw thread mounting holes are formed in positions, corresponding to the oil inlet device, on the outer side of the mounting machine shell.

Further, the oil feeder comprises a connecting cylinder, a guide pipe is arranged in the middle of the connecting cylinder, a spring is arranged on the outer side of the guide pipe, one end of the spring is fixedly connected with the connecting cylinder, a piston plate is arranged at one end of the spring, and external threads matched with the threaded mounting holes are arranged on the outer surface of the connecting cylinder.

The utility model provides a precise planetary reducer, which has the following beneficial effects:

the arrangement of the oil inlet device continuously enables the planetary gear to be stained with lubricating oil during rotation of the planetary gear so as to achieve the effect of continuous lubrication of the planetary gear, so that the effect of filling a large amount of lubricating oil simultaneously so as to maintain the lubrication time of the planetary gear is effectively avoided, and the foreign matters on the tooth surfaces of the gear are effectively discharged due to continuous output of the lubricating oil, so that the quality of the lubricating oil in the middle of the gear is effectively guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a precision planetary reducer according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing an internal structure of a precision planetary reducer according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing an internal structure of a precision planetary reducer according to an embodiment of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 3 of a precision planetary reducer according to an embodiment of the present utility model.

In the figure:

1. installing a shell; 2. an output flange; 3. an input flange; 4. an inner gear ring; 5. an oil inlet hole; 6. an oil feeder; 7. an input shaft; 8. a sun gear; 9. a planet wheel; 10. a planetary shaft; 11. a first planet carrier; 12. a movable bearing; 13. a second carrier; 14. an output shaft; 15. a connecting piece; 16. a mounting shaft; 17. a first positioning bearing; 18. a fixing plate; 19 a second positioning bearing; 20. positioning a chute; 21. a threaded mounting hole; 22. a connecting cylinder; 23. a guide tube; 24. a spring; 25. a piston plate.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

According to an embodiment of the present utility model, there is provided a precision planetary reducer.

Embodiment one:

as shown in fig. 1-4, the precise planetary reducer according to the embodiment of the utility model comprises a mounting casing 1, wherein output flanges 2 and input flanges 3 are respectively arranged at two ends of the mounting casing 1, a complete reducer casing is formed by matching the mounting casing 1, the input flanges 3 and the output flanges 2, an inner gear ring 4 is arranged in the middle of the inside of the mounting casing 1, a plurality of evenly-distributed oil inlet holes 5 are arranged around the inner gear ring 4, oil feeders 6 are arranged at positions of the outer ends of the inner gear ring 4 corresponding to the oil inlet holes 5, the oil feeders 6 are conveniently mounted through the arrangement of the oil inlet holes 5, and the planetary gear 9 is continuously stained with lubricating oil when rotating through the arrangement of the oil feeders 6, so that the effect of continuously lubricating the planetary reducer is achieved, a large amount of lubricating oil is effectively prevented from being filled at the same time, and the effect of lubricating time is maintained, and because the lubricant continuously outputs and then effectively discharges the foreign matters on the tooth surfaces of the gears, and then effectively ensures the quality of the lubricant at the middle part of the gears, one end of the installation shell 1, which is close to the input flange 3, is provided with an input shaft 7, one end of the input shaft 7, which is close to the inner gear ring 4, is provided with a sun gear 8, the outer side of the sun gear 8 is provided with a plurality of evenly distributed planetary gears 9 matched with the sun gear 8 and the inner gear ring 4, the input shaft 7 is provided with power to drive the sun gear 8 to rotate so as to drive the planetary gears 9 at the outer side to rotate through the rotation of the sun gear 8, the stability of the planetary gears 9 is improved through the arrangement of the inner gear ring 4, the middle parts of the planetary gears 9 are provided with planetary shafts 10, one side of the planetary shafts 10, which is close to the input shaft 7, is provided with a first planet carrier 11, the middle part of the first planet carrier 11 is provided with a movable bearing 12 matched with the input shaft 7, one side of the planet shaft 10 away from the first planet carrier 11 is provided with a second planet carrier 13, the middle part of the second planet carrier 13 is provided with an output shaft 14 penetrating through the output flange 2, stability between the planet gears 9 is effectively improved through the arrangement of the first planet carrier 11 and the second planet carrier 13, and energy of the output shaft 14 is conducted through the second planet carrier 13 to the output shaft 14.

Embodiment two:

as shown in fig. 1-4, the first planet carrier 11 includes a connecting piece 15 connected with the planet axle 10, and the connecting piece 15 is far away from one side of the planet axle 10 and is provided with a mounting axle 16 in a position corresponding to the planet axle 10, the middle part of the mounting axle 16 is provided with a first positioning bearing 17, one side of the mounting axle 16 is provided with a fixed plate 18, one side of the second planet carrier 13 is provided with a plurality of uniformly distributed second positioning bearings 19, the positions corresponding to the first positioning bearing 17 and the second positioning bearing 19 in the interior of the mounting casing 1 are provided with positioning sliding grooves 20, the first positioning bearing 17 is mounted through the arrangement of the connecting piece 15 and the mounting axle 16, the stability of the first planet carrier 11 and the second planet carrier 13 is improved through the cooperation between the arrangement of the first positioning bearing 17 and the second positioning bearing 19 and the positioning sliding grooves 20, friction between the mounting casing and a mounting shell is reduced, the outer side of the mounting casing 1 and the oil inlet 6 are provided with a plurality of uniformly distributed second positioning bearings 19, the inner side of the mounting casing 1 and the oil inlet casing 6 are provided with a plurality of mounting holes 21, the oil inlet pipe 21 is provided with a guide tube 22 is connected with an oil inlet tube 24, the oil inlet tube is provided with a guide tube 22, and the oil inlet tube is connected with an end of the guide tube 24, and the guide tube is provided with a guide tube 24. 25, the outer surface of the connecting tube 22 is provided with external threads matched with the threaded mounting hole 21, the connecting tube 22 with external threads is convenient to connect with the threaded mounting hole 21, and the spring 24 and the piston plate are fixed through the arrangement of the guide tube 23. 25, through the piston plate. 25 continuously discharges the lubricating oil in the connecting cylinder 22, further achieves the effect of continuously supplying the lubricating oil, supplies the lubricating oil in the connecting cylinder 22 through the arrangement of the guide tube 23, and a one-way valve is arranged in the middle of the guide tube 23.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

During practical application, form a complete speed reduction casing through installing casing 1, input flange 3 and output flange 2 cooperatees, and through providing power to input shaft 7 and then make input shaft 7 drive sun gear 8 rotate and then rotate through the planet wheel 9 in the drive outside of sun gear 8, the stability of planet wheel 9 is improved through setting up of ring gear 4, the setting through inlet port 5 is convenient for install oil feeder 6, and through setting up continuous messenger's it is stained with lubricating oil and then reaches the effect of lasting lubrication to it when the planet wheel 9 rotates through oil feeder 6, and then effectually avoid filling a large amount of lubricating oil and then maintain its lubrication time simultaneously, and because the continuous output of lubricating oil and then effectual messenger's foreign matter discharge on gear tooth surface, and then effectually guarantee the quality that is in gear middle part lubricating oil, through the effectual stability between the improvement planet wheel 9 of first planet carrier 11 and second planet carrier 13, and the setting up of messenger's output shaft 14 is convenient for install first location bearing 17 through setting up of connecting piece 15 and installation through second planet carrier 13 conduction actuating shaft 14, through setting up between first location bearing 17 and first location bearing 19 and the outer thread carrier 21 and the setting up through the second planet carrier 21 and the outer thread of carrier 21 and the second planet carrier 13, the effect of setting up through the guide pin 21 and the setting up of the piston plate of the carrier 21 and the piston plate of the outer thread of the carrier 21 and the piston carrier of the carrier 21, the setting up the friction between the installation plate of the carrier is convenient for the piston plate is realized through the setting up the installation thread of the installation hole 21. 25 continuously discharges the lubricating oil in the connecting cylinder 22, further achieves the effect of continuously supplying the lubricating oil, supplies the lubricating oil in the connecting cylinder 22 through the arrangement of the guide tube 23, and a one-way valve is arranged in the middle of the guide tube 23.

In summary, by means of the technical scheme of the utility model, through the arrangement of the oil feeder 6, when the planet wheel 9 rotates, lubricating oil continuously enters the gear running position, so that lubrication and discharge on the surface of the gear are effectively replaced by new ones, the effect of discharging foreign matters is effectively achieved, and the service lives of the gear and the speed reducer are effectively prolonged.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a precision planetary reducer, its characterized in that, including installation casing (1), the both ends of installation casing (1) are provided with output flange (2) and input flange (3) respectively, the inside middle part of installation casing (1) is provided with ring gear (4), ring gear (4) are provided with a plurality of evenly distributed's inlet port (5) all around, ring gear (4) outer end with the corresponding position of inlet port (5) all is provided with oil feed ware (6), the one end of installation casing (1) that is close to input flange (3) is provided with input shaft (7), input shaft (7) are close to ring gear (4) one end is provided with sun gear (8), and the outside of sun gear (8) be provided with sun gear (8) with a plurality of evenly distributed's planet wheel (9) that cooperate, the middle part of planet wheel (9) all is provided with planet axle (10), one side that planet axle (10) are close to input shaft (7) is provided with first carrier (11), and first carrier (11) are kept away from planet axle (11) the first carrier (11) are provided with first carrier (11), and an output shaft (14) penetrating through the output flange (2) is arranged in the middle of the second planet carrier (13).

2. The precision planetary reducer according to claim 1, wherein the first planet carrier (11) comprises a connecting piece (15) connected with the planetary shaft (10), a mounting shaft (16) is arranged at a position, which is far away from one side of the planetary shaft (10) and corresponds to the planetary shaft (10), of the connecting piece (15), a first positioning bearing (17) is arranged in the middle of the mounting shaft (16), and a fixing plate (18) is arranged on one side of the mounting shaft (16).

3. A precision planetary reducer according to claim 2, characterized in that one side of the second planet carrier (13) is provided with a number of evenly distributed second positioning bearings (19).

4. A precision planetary reducer according to claim 3, characterized in that the mounting casing (1) is provided with positioning runners (20) at positions inside the mounting casing corresponding to the first positioning bearing (17) and the second positioning bearing (19).

5. The precise planetary reducer according to claim 4, wherein threaded mounting holes (21) are formed in positions corresponding to the oil feeder (6) on the outer side of the mounting casing (1).

6. The precise planetary reducer according to claim 5, wherein the oil feeder (6) comprises a connecting cylinder (22), a guide pipe (23) is arranged in the middle of the connecting cylinder (22), a spring (24) is arranged on the outer side of the guide pipe (23), one end of the spring (24) is fixedly connected with the connecting cylinder (22), a piston plate (25) is arranged at one end of the spring (24), and external threads matched with the threaded mounting holes (21) are arranged on the outer surface of the connecting cylinder (22).