CN212643510U

CN212643510U - Combined planetary gear

Info

Publication number: CN212643510U
Application number: CN202021330035.9U
Authority: CN
Inventors: 冯昌磊
Original assignee: Jiangsu Zhongli Hechuang Precision Machinery Technology Co ltd
Current assignee: Jiangsu Zhongli Hechuang Precision Machinery Technology Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-02
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a modular planetary gear, including output gear, planetary gear, ring gear, limiting plate, output shaft, gear shaft, bearing housing, spout, spacing groove, fixed plate, fixture block, extension board, bolt, bearing frame and slot hole. The utility model discloses simple structure conveniently realizes the spacing of ring gear through being provided with limiting plate and fixture block, can guarantee planetary gear rotation and rotate around output gear when the transmission, can confirm planetary gear's position when using through being provided with the spacing groove, can realize the transmission through the rotation of ring gear, conveniently adjusts at will, improves planetary gear set's practicality; the utility model discloses a convenient position that changes the limiting plate of bolt conveniently carries out the change of planetary gear drive ratio, conveniently operates, and conveniently makes up between each part, realizes the transmission under the different conditions through the planetary gear of combination formula, convenience when improving the use.

Description

Combined planetary gear

Technical Field

The utility model relates to a planetary gear specifically is a modular planetary gear, belongs to planetary gear application technical field.

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 "autorotation" and rotation about other gear axes is called "revolution", just like a planet in the sun system, so that a planetary gear transmission is widely used as a speed reducer, a speed increaser and a speed changing device in various mechanical transmission systems. Particularly because of their "high load, high transmission ratio" characteristics, have found a great number of applications in aircraft and vehicles, particularly heavy vehicles.

The planetary gear is a gear set with an unfixed rotating axis, the transmission ratio of the planetary gear is not easy to change during transmission, the ring gear or the planetary gear is not easy to limit during use of the planetary gear, random adjustment is not easy to perform, and the operation difficulty is increased. Therefore, a combined planetary gear is proposed to address the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a combined planetary gear for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a modular planetary gear, including output gear, planetary gear, ring gear and limiting plate, output gear edge and ring gear inner circle all are connected with the planetary gear meshing, output gear and planetary gear respectively with output shaft and gear shaft fixed connection, and the inside swing joint of gear shaft and bearing housing, the inside sliding connection of spout that bearing housing and limiting plate surface were seted up, and spout and spacing groove communicate each other, limiting plate lateral wall rigid coupling has the fixed plate, fixed plate bottom and fixture block fixed connection, another lateral wall of limiting plate and extension board fixed connection, extend inboard inside and bolt threaded connection, and the bolt tip rotates with the bearing frame bottom and is connected.

Preferably, the limiting plate is located on one side of the ring gear, a long hole used for the output shaft to move is formed in the middle of the limiting plate, and the end portion of the output shaft located on the side wall of the limiting plate is rotatably connected with the inside of the bearing seat.

Preferably, a clamping groove is formed in the edge of the ring gear, the clamping groove and the clamping block are clamped with each other, and three planetary gears are arranged between the ring gear and the output gear.

Preferably, the sliding groove is of a circular groove structure, the sliding groove is provided with three vertically distributed limiting grooves, and the width of each limiting groove is the same as that of the sliding groove.

Preferably, the output gear and the bearing seat are respectively located on two sides of the limiting plate, and the bottom of the bearing seat is movably connected with the end of the bolt.

Preferably, the fixed plate and the extension plate are respectively located on two sides of the limiting plate, and the inner portion of the sliding groove in the surface of the limiting plate is respectively in sliding connection with the three bearing sleeves.

The utility model has the advantages that:

1. the utility model discloses simple structure conveniently realizes the spacing of ring gear through being provided with limiting plate and fixture block, can guarantee planetary gear rotation and rotate around output gear when the transmission, can confirm planetary gear's position when using through being provided with the spacing groove, can realize the transmission through the rotation of ring gear, conveniently adjusts at will, improves planetary gear set's practicality;

2. the utility model discloses a convenient position that changes the limiting plate of bolt conveniently carries out the change of planetary gear drive ratio, conveniently operates, and conveniently makes up between each part, realizes the transmission under the different conditions through the planetary gear of combination formula, convenience when improving the use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

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

fig. 3 is the utility model discloses limiting plate department orthographic view structure schematic diagram.

In the figure: 1. the gear comprises an output gear, 2, a planetary gear, 3, a ring gear, 4, a limiting plate, 5, an output shaft, 6, a gear shaft, 7, a bearing sleeve, 8, a sliding groove, 9, a limiting groove, 10, a fixing plate, 11, a clamping block, 12, an extending plate, 13, a bolt, 14, a bearing seat, 15 and a long hole.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a combined planetary gear includes an output gear 1, a planetary gear 2, a ring gear 3 and a limiting plate 4, the edge of the output gear 1 and the inner ring of the ring gear 3 are meshed with the planet gear 2, the output gear 1 and the planet gear 2 are fixedly connected with an output shaft 5 and a gear shaft 6 respectively, the gear shaft 6 is movably connected with the inside of a bearing sleeve 7, the bearing sleeve 7 is connected with the inside of a sliding chute 8 arranged on the surface of the limit plate 4 in a sliding way, the sliding groove 8 is communicated with the limiting groove 9, the side wall of the limiting plate 4 is fixedly connected with a fixing plate 10, the bottom of the fixed plate 10 is fixedly connected with a clamping block 11, the other side wall of the limit plate 4 is fixedly connected with an extension plate 12, the interior of the extension plate 12 is in threaded connection with a bolt 13, and the end part of the bolt 13 is rotatably connected with the bottom of the bearing seat 14 and is used for adjusting the position of the limit plate 4.

The limiting plate 4 is positioned on one side of the ring gear 3, a long hole 15 used for moving the output shaft 5 is formed in the middle of the limiting plate 4, the end part of the output shaft 5 positioned on the side wall of the limiting plate 4 is rotatably connected with the inside of the bearing seat 14 and used for moving the limiting plate 4, and the output shaft 5 can conveniently rotate in the bearing seat 14; a clamping groove is formed in the edge of the ring gear 3, the clamping groove and the clamping block 11 are clamped with each other, and three planetary gears 2 are arranged between the ring gear 3 and the output gear 1 and used for limiting the position between the ring gear 3 and the clamping block 11, so that the ring gear 3 can be conveniently fixed; the sliding chute 8 is of a circular groove structure, the sliding chute 8 is provided with three vertically distributed limiting grooves 9, and the width of each limiting groove 9 is the same as that of the sliding chute 8, so that the bearing sleeve 7 can rotate in the sliding chute 8, and the bearing sleeve 7 can move to the limiting grooves 9; the output gear 1 and the bearing seat 14 are respectively positioned at two sides of the limiting plate 4, and the bottom of the bearing seat 14 is movably connected with the end part of the bolt 13 and used for rotating the bolt 13 so as to conveniently drive the limiting plate 4 to move; the fixed plate 10 and the extension plate 12 are respectively located on two sides of the limiting plate 4, and the sliding grooves 8 in the surface of the limiting plate 4 are respectively connected with the three bearing sleeves 7 in a sliding mode and used for rotation of the bearing sleeves 7, so that the planetary gear 2 can be conveniently driven to rotate around the surface of the output gear 1.

When the utility model is used, the output gear 1 is driven to rotate through the output shaft 5, when the clamping block 11 is clamped with the ring gear 3, the bearing sleeve 7 is positioned inside the chute 8, the output gear 1 drives the planetary gear 2 to rotate when rotating, and simultaneously rotates around the output gear 1, so that the planetary gear 2 drives the bearing sleeve 7 to rotate inside the chute 8 to realize transmission, and the ring gear 3 is limited through the clamping block 11 at the bottom of the fixing plate 10; when the bolt 13 is rotated by turning the bolt 13, and the bolt 13 is screwed inside the extension plate 12, the end of the bolt 13 is turned at the bottom of the bearing housing 14, and drives the extension plate 12 to move upwards, so that the extension plate 12 drives the limit plate 4 to move simultaneously, the long hole 15 formed in the middle of the limit plate 4 is not influenced by the output shaft 5 when the limit plate 4 moves, meanwhile, the limiting plate 4 drives the clamping block 11 to separate from the ring gear 3 when moving, the sliding groove 8 on the surface of the limiting plate 4 moves to enable the three bearing sleeves 7 to move to the inside of the limiting groove 9, and the limiting groove 9 limits the positions of the three bearing sleeves 7, when the output gear 1 rotates, the planet gear 2 is driven to rotate around the bearing sleeve 7, the planet gear 2 drives the ring gear 3 to rotate, and then realize the transmission through the rotation of ring gear 3, conveniently carry out the change of transmission part according to the in service behavior, convenience when improving planetary gear 2 and using.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A combined planetary gear, characterized in that: comprises an output gear (1), a planetary gear (2), a ring gear (3) and a limiting plate (4), wherein the edge of the output gear (1) and the inner ring of the ring gear (3) are meshed with the planetary gear (2) and connected, the output gear (1) and the planetary gear (2) are respectively fixedly connected with an output shaft (5) and a gear shaft (6), the gear shaft (6) is movably connected with the inside of a bearing sleeve (7), the bearing sleeve (7) is in sliding connection with the inside of a sliding groove (8) formed in the surface of the limiting plate (4), the sliding groove (8) is communicated with a limiting groove (9), a fixing plate (10) is fixedly connected with the side wall of the limiting plate (4), the bottom of the fixing plate (10) is fixedly connected with a clamping block (11), the other side wall of the limiting plate (4) is fixedly connected with an extending plate (12), and the inside of the extending plate (12) is in threaded, and the end part of the bolt (13) is rotationally connected with the bottom of the bearing seat (14).

2. The compound planetary gear according to claim 1, wherein: the limiting plate (4) is located on one side of the ring gear (3), a long hole (15) used for the output shaft (5) to move is formed in the middle of the limiting plate (4), and the end portion of the output shaft (5) located on the side wall of the limiting plate (4) is rotatably connected with the inside of the bearing seat (14).

3. The compound planetary gear according to claim 1, wherein: the edge of the ring gear (3) is provided with a clamping groove, the clamping groove and the clamping block (11) are mutually clamped, and three planetary gears (2) are arranged between the ring gear (3) and the output gear (1).

4. The compound planetary gear according to claim 1, wherein: the sliding groove (8) is of a circular groove structure, three vertically distributed limiting grooves (9) are formed in the sliding groove (8), and the width of each limiting groove (9) is the same as that of the sliding groove (8).

5. The compound planetary gear according to claim 1, wherein: the output gear (1) and the bearing seat (14) are respectively located on two sides of the limiting plate (4), and the bottom of the bearing seat (14) is movably connected with the end of the bolt (13).

6. The compound planetary gear according to claim 1, wherein: the fixed plate (10) and the extension plate (12) are respectively located on two sides of the limiting plate (4), and the sliding grooves (8) in the surface of the limiting plate (4) are respectively connected with the three bearing sleeves (7) in a sliding mode.