CN211501495U

CN211501495U - Secondary parallel shaft planetary reducer

Info

Publication number: CN211501495U
Application number: CN201921941982.9U
Authority: CN
Inventors: 张国治
Original assignee: Jiangsu Zhiyuan Precision Technology Co ltd
Current assignee: Jiangsu Zhiyuan Precision Technology Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-09-15
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a second grade parallel shaft planetary reducer, its structure includes one-level ring gear, output shaft, deep groove ball bearing A, deep groove ball bearing B, needle bearing, round pin axle, gasket, planet wheel, circlip B type for hole, lip seal FB type, circlip A type for hole, input flange, input shaft, hexagon socket head cap screw, sun gear 1, sun gear 2, second grade ring gear, planet carrier 1, planet carrier 2. The utility model discloses the exquisite compactness of structure, the transmission is steady, and smooth and easy, noise reduction and temperature rise of operation are difficult for appearing the problem of jamming or unbalance loading, and the reliability is high. The utility model discloses compare in the bigger drive ratio of one-level parallel shaft planetary reducer to satisfy bigger work demand.

Description

Secondary parallel shaft planetary reducer

Technical Field

The utility model relates to the technical field of mechanical equipment, especially, relate to a second grade parallel axis planetary reducer.

Background

A planetary reduction gear is a gear transmission element, is mainly used for increasing torque and reducing rotation speed in a transmission system, and is widely applied to various fields such as industry and automation, including a linear motion mechanism, an index plate, a mechanical arm, a printing device, a workbench, a robot spindle, a conveying device, and the like.

The planetary reducer has the characteristics of small volume, light weight, high bearing capacity, long service life, stable operation, low noise, large output torque, large speed ratio, high efficiency and safe performance. Has the unique characteristics of power splitting and multi-tooth meshing. The speed reducer is a novel speed reducer with wide universality. The maximum input power can reach 104 kW. The method is suitable for industrial departments such as hoisting transportation, engineering machinery, metallurgy, mines, petrochemical industry, construction machinery, light industry textile, medical instruments, automobiles, ships, weapons, aerospace and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a second grade parallel axis planetary reducer, under current throughput and assembly process level, produce high accuracy, low noise, big moment of torsion, long-life planetary reducer.

In order to achieve the above object, the utility model provides a pair of second grade parallel shaft planetary reducer, including one-level ring gear, output shaft, deep groove ball bearing A, deep groove ball bearing B, bearing, round pin axle, gasket, planet wheel, circlip B type, lip seal FB type, circlip A type, input flange, input shaft, hexagon socket head cap screw, sun gear 1, sun gear 2, second grade ring gear, planet carrier 1, planet carrier 2 are used in the hole.

An input flange is arranged on one side of the planetary reducer; the input shaft is arranged inside the input flange, a deep groove ball bearing B is arranged between the input shaft and the input flange, and a deep groove ball bearing A is arranged between the output shaft and the primary gear ring;

the output shaft is arranged on the other side of the planetary reducer, the planetary reducer is provided with two groups of planet carriers, the planet carrier 1 is fixed on an input shaft, the bottom end of the input shaft is provided with a sun gear 1, a sun gear 2 is fixed on the planet carrier 2, the planet carrier 2 is fixed on the output shaft, the two groups of planet carriers are respectively provided with two groups of planet gears, the outer sides of the two groups of planet gears are provided with a primary gear ring and a secondary gear ring which are meshed with the two groups of planet gears, the primary gear ring and the secondary gear ring are fixed on a shell of the reducer, the middle positions inside the two groups of planet gears are inserted with pin shafts;

a gasket is arranged between the output shaft and the planet wheel, and a sealing part and a check ring are arranged between the parts of the output shaft and the primary gear ring, which are in mutual contact. The output shaft and the primary gear ring are in contact with each other, a groove is formed in the circumferential direction of the contact part, and the sealing part and the retainer ring are arranged in the groove.

The raw materials of the first-stage gear ring and the second-stage gear ring are subjected to quenching and tempering and are directly processed and formed by a gear broaching machine, so that the size precision is high, and the retentivity is good.

According to the technical scheme, the utility model discloses can obtain following benefit, this speed reducer internals is small in quantity, can reduce the equipment required time to can reduce planetary reducer's vibrations, make it can be applied to high accuracy equipment. Through setting up the bearing, play stable effect when rotating to the output shaft body, solved the output shaft body and appeared rocking problem when rotating, increased the stability when output shaft body rotates. The planetary reducer is provided with two sets of planetary wheel sets, the reduction ratio is larger, and the reduction effect is better. The utility model discloses compare in the bigger drive ratio of one-level parallel shaft planetary reducer to satisfy bigger work demand.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

fig. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a sectional view of the internal structure of the reduction box of the present invention;

in the figure: the device comprises a primary gear ring (1), an output shaft (2), a deep groove ball bearing A (3), a needle bearing (4), a pin shaft (5), a gasket (6), a planet wheel (7), a hole elastic retainer B type (8), a lip-shaped sealing ring FB type (9), a hole elastic retainer A type (10), an input flange (11), an input shaft (12), an inner hexagonal cylinder head screw (13), a deep groove ball bearing B (14), a sun wheel 1(15), a sun wheel 2(16), a secondary gear ring (17), a planet carrier 1(18) and a planet carrier 2 (19).

Detailed Description

The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.

Referring to the accompanying drawings 1-3, the utility model provides a second grade parallel axis planetary reducer: the device comprises a primary gear ring (1), an output shaft (2), a deep groove ball bearing A (3), a needle bearing (4), a pin shaft (5), a gasket (6), a planet wheel (7), a hole elastic retainer B type (8), a lip-shaped seal ring FB type (9), a hole elastic retainer A type (10), an input flange (11), an input shaft (12), an inner hexagonal cylinder head screw (13), a deep groove ball bearing B (14), a sun wheel 1(15), a sun wheel 2(16), a secondary gear ring (17), a planet carrier 1(18) and a planet carrier 2 (19).

An input flange (11) is arranged on one side of the planetary reducer; the input shaft (12) is arranged inside the input flange (11), a deep groove ball bearing B (14) is arranged between the input shaft (12) and the input flange (11), and a deep groove ball bearing A (3) is arranged between the output shaft (2) and the primary gear ring (1); the output shaft (2) is arranged on the other side of the planetary reducer, the planetary reducer is provided with two groups of planetary carriers, the planetary carrier 1(18) is fixed on the input shaft (12), the bottom end of the input shaft (12) is provided with a sun gear 1(15), the sun gear 2(16) is fixed on the planetary carrier 2(19), the planetary carrier 2(19) is fixed on the output shaft (2), two groups of planetary gears (7) are respectively arranged on the two groups of planetary carriers, the outer sides of the two groups of planetary gears (7) are provided with a primary gear ring (1) and a secondary gear ring (17) which are meshed with the primary gear ring (1) and the secondary gear ring (17), the primary gear ring (1) and the secondary gear ring (17) are fixed on a shell of the planetary reducer, a pin shaft (5) is inserted in the middle position inside the two groups of planetary gears (; a gasket is arranged between the output shaft (2) and the planet wheel (7), and a sealing part and a check ring are arranged between the parts of the output shaft (2) and the primary gear ring (1) which are in mutual contact. The sealing component and the retainer ring are of a hole elastic retainer ring B type (8), a lip-shaped sealing ring FB type (9) and a hole elastic retainer ring A type (10), the output shaft (2) and the primary gear ring (1) are in contact with each other, a groove is formed in the circumferential direction of the portion, and the sealing component and the retainer ring are arranged in the groove.

Referring to fig. 3, a gasket (6) is arranged between the output shaft (2) and the planet wheel (7), a sealing part and a retainer ring are arranged between the parts of the output shaft (2) and the primary gear ring (1) which are in mutual contact, and the sealing part and the retainer ring are of a hole circlip B type (8), a lip-shaped sealing ring FB type (9) and a hole circlip A type (10), so that the sealing performance of the transmission effect connection part is improved.

Referring to fig. 3, the pin shaft (5) is connected with the planet wheel (7) in a rotating mode through the needle bearing (4) on the outer portion, and transmission operation among all accessories is facilitated.

In summary, the following steps: the utility model discloses the structure is exquisite compact, through setting up round pin axle and bearing for the planet wheel can adapt to interaxial distance and fit clearance automatically, makes each planet wheel load even, can effectively restrict the axial motion of planet wheel round pin axle moreover, guarantees that sun gear, planet wheel and ring gear meshing transmission are steady, and the operation is smooth and easy, noise reduction and temperature rise, the difficult problem that jamming or unbalance loading appear, and the reliability is high. The planetary reducer is provided with two sets of planetary wheel sets, the reduction ratio is larger, and the reduction effect is better. The utility model discloses compare in the bigger drive ratio of one-level parallel shaft planetary reducer to satisfy bigger work demand.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a second grade parallel axis planetary reducer which characterized in that, its structure includes: the device comprises a primary gear ring (1), an output shaft (2), a deep groove ball bearing A (3), a needle bearing (4), a pin shaft (5), a gasket (6), a planet wheel (7), a hole elastic retainer B type (8), a lip-shaped sealing ring FB type (9), a hole elastic retainer A type (10), an input flange (11), an input shaft (12), an inner hexagonal cylinder head screw (13), a deep groove ball bearing B (14), a sun wheel 1(15), a sun wheel 2(16), a secondary gear ring (17), a planet carrier 1(18) and a planet carrier 2 (19); wherein, one side of the planetary reducer is provided with an input flange (11); the output shaft (2) is arranged on the other side of the planetary speed reducer, the input shaft (12) is arranged inside the input flange (11), a deep groove ball bearing B (14) is arranged between the input shaft (12) and the input flange (11), and a deep groove ball bearing A (3) is arranged between the output shaft (2) and the primary gear ring (1).

2. The two-stage parallel axis planetary reducer of claim 1, the planetary reducer is provided with two groups of planet carriers, the planet carriers 1(18) are fixed on an input shaft (12), the bottom end of the input shaft (12) is provided with a sun gear 1(15), a sun gear 2(16) is fixed on the planet carrier 2(19), the planet carrier 2(19) is fixed on an output shaft (2), the two groups of planet carriers are respectively provided with two groups of planet gears (7), the outer sides of the two groups of planet gears (7) are provided with a primary gear ring (1) and a secondary gear ring (17) which are meshed with the two groups of planet gears, the primary gear ring (1) and the secondary gear ring (17) are fixed on the shell of the speed reducer, a pin shaft (5) is inserted in the middle position inside the two groups of planet wheels (7), the pin shaft (5) is respectively inserted with the planet carrier 1(18) and the planet carrier 2 (19).

3. A two-stage parallel shaft planetary reducer according to claim 1, wherein a gasket is arranged between the output shaft (2) and the planetary gear (7), and a sealing part and a retainer ring are arranged between the parts of the output shaft (2) and the primary gear ring (1) which are in contact with each other.

4. The two-stage parallel shaft planetary reducer according to claim 1, wherein a groove is formed in a portion where the output shaft (2) and the primary ring gear (1) contact each other in a circumferential direction, and the circlip for hole B-type (8), the lip seal FB-type (9), and the circlip for hole a-type (10) are disposed in the groove.