CN216589792U

CN216589792U - Improved durable planetary gear

Info

Publication number: CN216589792U
Application number: CN202123123403.XU
Authority: CN
Inventors: 彭建波; 李文芳; 顾文科
Original assignee: Hubei Yulong Machinery Technology Co ltd
Current assignee: Hubei Yulong Machinery Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-24
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses an improved durable planetary gear, which comprises a gear ring, wherein the inner side of the gear ring is provided with two planetary carriers, the two planetary carriers are symmetrically distributed around the central line of the gear ring, a planetary gear is arranged between the two planetary carriers and is meshed and connected with the gear ring 1, the number of the planetary gears is multiple, the plurality of the planetary gears are distributed around the center of the gear ring, a sun gear is arranged between the plurality of the planetary gears, the plurality of the planetary gears are meshed and connected with the sun gear, and a lubricating mechanism is arranged inside the sun gear. By arranging the lubricating mechanism, the surface of the sun gear can automatically flow out of lubricating oil when the sun gear rotates, so that the device can be lubricated when running, and the lubricating oil can stop flowing out when the sun gear stops rotating, thereby avoiding the waste of the lubricating oil.

Description

Improved durable planetary gear

Technical Field

The utility model relates to the field of gears, in particular to an improved durable planetary gear.

Background

Planetary gears are gear systems whose axes of rotation, in addition to being able to rotate about their own axis of rotation like a fixed axis gear, also rotate with the planet carrier about the axes of the other gears. Rotation about its own axis is called "rotation", and rotation about the other gear axis is called "revolution", just like a planet in the solar system, and hence its name.

When the existing planetary gear in the market is used, because the sun gear, the planetary gear and the gear as well as the gear and the gear ring are required to be continuously meshed, meshing teeth are easy to be worn for a long time and cannot be normally used.

Therefore, there is a need for an improved durable planetary gear that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved durable planetary gear, which is characterized in that a lubricating mechanism is arranged, so that lubricating oil can automatically flow out of the surface of a sun gear while the sun gear rotates, the device can be lubricated when the device runs, and the lubricating oil can stop flowing out when the sun gear stops rotating, so that the waste of the lubricating oil is avoided, and the defects in the technology are overcome.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a durable type planetary gear of modified, includes the ring gear, the ring gear inboard is equipped with the planet carrier, planet carrier quantity is established to two, two the planet carrier is about ring gear central line symmetric distribution, two be equipped with planetary gear between the planet carrier, planetary gear is connected with 1 meshing of ring gear, planetary gear quantity is established to a plurality ofly, and is a plurality of planetary gear all encircles the ring gear central distribution, and is a plurality of be equipped with sun gear between the planetary gear, it is a plurality of planetary gear all is connected with sun gear meshing, the inside lubricating mechanism that is equipped with of sun gear.

Preferably, the lubricating mechanism comprises an annular groove and a sliding rod, the annular groove is formed in the surface of the sun gear, a sliding groove is formed in one side of the annular groove, a groove is formed in the outer side of the sliding groove, communicating grooves are formed in two sides of the top of the sliding groove, a placing groove is formed in one side of the communicating grooves, a through groove is formed in one side of the placing groove, the sliding rod is in sliding connection with the sliding groove, a supporting ring is arranged on the outer side of the sliding rod and is fixedly connected with the sliding rod, a reset spring is arranged on one side of the supporting ring in a sleeved mode, the outer side of the sliding rod is sleeved with the reset spring, a cavity is formed in the sliding rod, oil outlet grooves are formed in two sides of the top of the sliding rod, and an oil inlet groove is formed in the surface of the sliding rod.

Preferably, the oil absorption cotton is arranged in the placing groove, and the two communicating grooves are respectively matched with the two oil outlet grooves.

Preferably, the outside of spout bottom has seted up the seal groove, slide bar one end is equipped with sealed the pad, sealed pad and seal groove phase-match.

Preferably, an annular sealing plate is arranged on one side of the annular groove, a first annular sleeve is arranged on one side of the annular sealing plate, a second annular sleeve is sleeved on the outer side of the first annular sleeve, and an extrusion spring is arranged between the first annular sleeve and the second annular sleeve.

Preferably, the spout quantity is established to a plurality ofly, and is a plurality of the spout all encircles the annular groove phase-match, second annular cover one side is equipped with the sealing ring, sealing ring and annular groove phase-match.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. by arranging the lubricating mechanism, lubricating oil can automatically flow out of the surface of the sun gear when the sun gear rotates, so that the device can be lubricated when running, and meanwhile, the lubricating oil can stop flowing out when the sun gear stops rotating, so that the waste of the lubricating oil is avoided;

2. the second annular sleeve and the sealing ring are driven by the extrusion spring to compress the lubricating oil, so that the lubricating oil can be completely filled between the sealing ring and the annular groove, and the lubricating oil is prevented from entering the cavity in the sliding rod through the oil inlet groove.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the sun gear of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is an exploded view of a portion of the structure of the present invention;

FIG. 5 is a cross-sectional view of the sun gear of the present invention;

FIG. 6 is a schematic view of a slide bar structure according to the present invention;

FIG. 7 is an enlarged view of the portion A of FIG. 5 according to the present invention;

FIG. 8 is an enlarged view of the portion B of FIG. 5 according to the present invention.

Description of reference numerals:

1. a ring gear; 2. a planet carrier; 3. a planetary gear; 4. a sun gear; 5. an annular groove; 6. a slide bar; 7. a chute; 8. a communicating groove; 9. a support ring; 10. a return spring; 11. an oil outlet groove; 12. an oil inlet groove; 13. oil absorbing cotton; 14. a gasket; 15. an annular seal plate; 16. a first annular sleeve; 17. a second annular sleeve; 18. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an improved durable planetary gear as shown in fig. 1-8, which comprises a gear ring 1, wherein planet carriers 2 are arranged on the inner side of the gear ring 1, the number of the planet carriers 2 is two, the two planet carriers 2 are symmetrically distributed around the center line of the gear ring 1, a planetary gear 3 is arranged between the two planet carriers 2, the planetary gear 3 is meshed with the gear ring 1, the number of the planetary gears 3 is multiple, the plurality of the planetary gears 3 are all distributed around the center of the gear ring 1, a sun gear 4 is arranged between the plurality of the planetary gears 3, the plurality of the planetary gears 3 are all meshed with the sun gear 4, and a lubricating mechanism is arranged inside the sun gear 4.

Further, in the above technical scheme, the lubricating mechanism includes an annular groove 5 and a slide bar 6, the annular groove 5 is disposed on the surface of the sun gear 4, a sliding groove 7 is disposed on one side of the annular groove 5, a groove is disposed on the outer side of the sliding groove 7, communicating grooves 8 are disposed on two sides of the top of the sliding groove 7, a placing groove is disposed on one side of the communicating grooves 8, a through groove is disposed on one side of the placing groove, the slide bar 6 is slidably connected with the sliding groove 7, a supporting ring 9 is disposed on the outer side of the slide bar 6, the supporting ring 9 is fixedly connected with the slide bar 6, a return spring 10 is disposed on one side of the supporting ring 9, the return spring 10 is sleeved with the outer side of the slide bar 6, a cavity is disposed inside the slide bar 6, oil outlet grooves 11 are disposed on two sides of the top of the slide bar 6, and an oil inlet groove 12 is disposed on the surface of the slide bar 6.

Further, in above-mentioned technical scheme, the inside oil absorption cotton 13 that is equipped with of standing groove, two the intercommunication groove 8 respectively with two play oil groove 11 phase-matchs, can adsorb lubricating oil through setting up oil absorption cotton 13 and accomodate, and then avoid the lubricating oil that flows to splash everywhere.

Further, in the above technical scheme, a sealing groove is formed in the outer side of the bottom of the sliding groove 7, a sealing gasket 14 is arranged at one end of the sliding rod 6, the sealing gasket 14 is matched with the sealing groove, and the air tightness between the sliding groove 7 and the sliding rod 6 can be improved by arranging the sealing gasket 14.

Further, in the above technical solution, one side of the annular groove 5 is provided with an annular sealing plate 15, one side of the annular sealing plate 15 is provided with a first annular sleeve 16, the outer side of the first annular sleeve 16 is sleeved with a second annular sleeve 17, and an extrusion spring 18 is arranged between the first annular sleeve 16 and the second annular sleeve 17.

Further, in above-mentioned technical scheme, spout 7 quantity is established to a plurality ofly, and is a plurality of spout 7 all encircles annular groove 5 phase-match, second annular cover 17 one side is equipped with the sealing ring, the sealing ring matches with annular groove 5, can improve the gas tightness between second annular cover 17 and the annular groove 5 through setting up the sealing ring.

This practical theory of operation:

referring to the attached drawings 1-8 of the specification, when the device is used, firstly, lubricating oil is added into the annular groove 5, then the annular groove 5 is sealed through the annular sealing plate 15, then the lubricating oil in the annular groove 5 enters the cavity in the slide rod 6 through the oil inlet groove 12, at the moment, the oil outlet groove 11 abuts against the sliding groove 7, therefore, the lubricating oil in the cavity cannot leak out, after the sun gear 4 rotates, the slide rod 6 slides in the sliding groove 7 under the centrifugal inertia and drives the abutting ring 9 to compress the return spring 10, at the moment, the oil inlet groove 12 abuts against the inner wall of the sliding groove 7, so that the lubricating oil in the annular groove 5 cannot enter the cavity, the oil outlet groove 11 is matched with the communicating groove 8, therefore, the lubricating oil in the cavity flows into the placing groove through the oil outlet groove 11 and the communicating groove 8 and is adsorbed by the oil absorption cotton 13, at the same time, the lubricating oil in the oil absorption cotton 13 flows out from the through groove under the centrifugal inertia and adheres to the surface of the sun gear 4, with the meshing rotation of the sun gear 4 and the planet gears 3, lubricating oil can be adhered between the sun gear 4 and the planet gears 3, and with the meshing rotation of the planet gears 3 and the gear ring 1, the lubricating oil can be adhered between the planet gears 3 and the gear ring 1, and through the operation, a certain amount of lubricating oil can be automatically flowed out to lubricate the device when the device is in operation, so that the service life of the device is prolonged;

referring to the attached drawings 1-8 of the specification, when the device is used, along with the use of lubricating oil, the lubricating oil in the annular groove is reduced, at the moment, the extrusion spring 18 extrudes the second annular sleeve 17, so that the second annular sleeve 17 drives the sealing ring to compress the lubricating oil, the lubricating oil can be completely filled between the sealing ring and the annular groove 5, and the lubricating oil can be prevented from entering the cavity in the sliding rod 6 through the oil inlet groove 12.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. An improved durable planetary gear comprising a ring gear (1), characterized in that: ring gear (1) inboard is equipped with planet carrier (2), planet carrier (2) quantity is established to two, two planet carrier (2) are about ring gear (1) central line symmetric distribution, two be equipped with planetary gear (3) between planet carrier (2), planetary gear (3) are connected with ring gear (1) meshing, planetary gear (3) quantity is established to a plurality ofly, and is a plurality of planetary gear (3) all encircle ring gear (1) central distribution, and are a plurality of be equipped with sun gear (4) between planetary gear (3), and are a plurality of planetary gear (3) all are connected with sun gear (4) meshing, the inside lubricating mechanism that is equipped with of sun gear (4).

2. An improved durable planetary gear as in claim 1, wherein: the lubricating mechanism comprises an annular groove (5) and a sliding rod (6), the annular groove (5) is arranged on the surface of a sun gear (4), a sliding groove (7) is formed in one side of the annular groove (5), a groove is formed in the outer side of the sliding groove (7), communicating grooves (8) are formed in the two sides of the top of the sliding groove (7), a placing groove is formed in one side of the communicating groove (8), a through groove is formed in one side of the placing groove, the sliding rod (6) is in sliding connection with the sliding groove (7), a supporting ring (9) is arranged on the outer side of the sliding rod (6), the supporting ring (9) is fixedly connected with the sliding rod (6), a reset spring (10) is arranged on one side of the supporting ring (9), the reset spring (10) is sleeved with the outer side of the sliding rod (6), a cavity is formed in the inner portion of the sliding rod (6), and oil outlet grooves (11) are formed in the two sides of the top of the sliding rod (6), an oil inlet groove (12) is formed in the surface of the sliding rod (6).

3. An improved durable planetary gear according to claim 2, wherein: the oil absorption cotton (13) is arranged in the placing groove, and the two communicating grooves (8) are respectively matched with the two oil outlet grooves (11).

4. An improved durable planetary gear according to claim 2, wherein: the sealing groove is formed in the outer side of the bottom of the sliding groove (7), a sealing gasket (14) is arranged at one end of the sliding rod (6), and the sealing gasket (14) is matched with the sealing groove.

5. An improved durable planetary gear according to claim 2, wherein: the improved structure is characterized in that an annular sealing plate (15) is arranged on one side of the annular groove (5), a first annular sleeve (16) is arranged on one side of the annular sealing plate (15), a second annular sleeve (17) is sleeved on the outer side of the first annular sleeve (16), and an extrusion spring (18) is arranged between the first annular sleeve (16) and the second annular sleeve (17).

6. An improved durable planetary gear according to claim 5, wherein: the quantity of spout (7) is established to a plurality ofly, and is a plurality of spout (7) all encircle annular groove (5) phase-match, second annular sleeve (17) one side is equipped with the sealing ring, the sealing ring is with annular groove (5) phase-match.