CN116006638A

CN116006638A - Novel planetary reducer mechanism applicable to multi-size input or output

Info

Publication number: CN116006638A
Application number: CN202211688611.0A
Authority: CN
Inventors: 曹小林; 黄云生; 彭文军
Original assignee: Dongguan Newgear Planetary Transmission Co ltd
Current assignee: Dongguan Newgear Planetary Transmission Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-04-25

Abstract

The invention discloses a novel planetary reducer mechanism applicable to multi-size input or output, which comprises an end cover, a gear ring and a bearing sleeve, and is characterized in that the gear ring is positioned on one side of the end cover, the bearing sleeve is positioned on one side of the gear ring, the end cover, the gear ring and the bearing sleeve are connected through a plurality of bolts, and a speed reduction mounting structure is arranged in the end cover, the gear ring and the bearing sleeve; the invention relates to the technical field of speed reduction equipment, and the speed reduction installation structure adopted by the scheme has the following advantages: the novel design increases the thickness of the gear, increases 4mm by conventional 1mm, improves the bending strength of the tooth root of the gear tooth, can bear larger impact load, increases the strength of the machine body, and improves the stability of the product, and meanwhile, not only meets the wear-resisting requirement, but also ensures the precision grade requirement of the gear.

Description

Novel planetary reducer mechanism applicable to multi-size input or output

Technical Field

The invention relates to the technical field of speed reduction equipment, in particular to a novel planetary speed reducer mechanism applicable to multi-size input or output.

Background

The planetary gear reducer is also called a planetary reducer, and is mainly used for reducing rotational speed, increasing torque and reducing rotational inertia ratio of a load/motor, in a reducer family, the planetary reducer is widely applied to transmission systems such as a servo motor, a stepping motor, a direct current motor and the like due to the advantages of small volume, high transmission efficiency, wide speed reduction range, high precision and the like, when the planetary gear reducer is assembled, more assembly convenience, freedom and more space are needed, so that the flexibility and convenience of the machine are improved, only a single or special planetary reducer is available on the market at present, and a novel planetary reducer mechanism suitable for multi-size input or output is also available, and with the development of automation and intellectualization, the single or special planetary reducer is limited, is inflexible to assemble and occupies space, has no cost performance and also exists: 1. the assembly flexibility is low and the space is occupied;

2. the planet motion stability is not enough, and the shock resistance and the vibration strength are not enough;

3. vibration and noise are large;

4. the thin wall type gear ring has insufficient machine body strength and insufficient product running stability.

Disclosure of Invention

In order to achieve the above purpose, the invention is realized by the following technical scheme: the novel planetary reducer mechanism suitable for multi-size input or output comprises an end cover, a gear ring and a bearing sleeve, wherein the gear ring is positioned on one side of the end cover, the bearing sleeve is positioned on one side of the gear ring, the end cover, the gear ring and the bearing sleeve are connected through a plurality of bolts, and a speed reduction mounting structure is arranged in the end cover, the gear ring and the bearing sleeve;

the speed reduction mounting structure includes: the device comprises an input shaft, an input mounting assembly, a sun gear, a planet carrier, three planet gears and an output mounting assembly;

the planetary gear is characterized in that one end of the input shaft is movably embedded in the bearing sleeve, the input installation component is sleeved on the input shaft and is positioned in the bearing sleeve, the sun gear is installed at one end of the input shaft, the planet carrier is movably embedded in the gear ring, the three planetary gears are installed at one side of the planet carrier and are respectively meshed with the sun gear and the inner wall of the gear ring, the output installation component is embedded in the end cover, and one end of the output installation component is connected with the planet carrier.

Preferably, the input mounting assembly includes: an input shaft bearing, an input sleeve and a mounting bolt;

the input shaft bearing is embedded in the bearing sleeve, the input shaft bearing is movably sleeved at the upper end of the input shaft, one end of the input sleeve is connected with the input shaft, and the mounting bolt is movably embedded at one side of the input sleeve.

Preferably, the output mounting assembly includes: the output shaft, the output shaft bearing and the output key groove;

one end of the output shaft is connected with the planet carrier, the output shaft bearing is embedded in the end cover and is movably sleeved on the output shaft, and the output key groove is formed in the upper end of the output shaft.

Preferably, the output shaft is a three-stage stepped shaft.

Preferably, the output shaft bearing is sleeved at the middle section of the output shaft.

Preferably, an oil seal cover ring is arranged at the joint of the bearing sleeve and the gear ring.

The invention provides a novel planetary reducer mechanism applicable to multi-size input or output. The beneficial effects are as follows: the speed reduction mounting structure adopted in the scheme has the following advantages: 1. the novel design increases the thickness of the gear, increases the bending strength of the tooth root of the gear tooth by 4mm from the conventional 1mm, can bear larger impact load, increases the strength of the machine body, and improves the stability of the product, and meanwhile, not only meets the wear-resisting requirement, but also ensures the precision grade requirement of the gear;

2. the problems of the planetary gear reducer such as the freedom and flexibility requirements, the space property and the commonality during assembly and the like can be solved by developing and designing an advanced integrated commonality structure and a rotating frame;

3. the input shaft can be provided with a key slot, the locking strength is stronger, the slipping is difficult, and the return clearance is 8-16 arc minutes;

4. the planet wheel round pin axle is tertiary step shaft, and three sections different footpaths, the in-process of installation is mutually noninterfere, and jackshaft section is as the bearing inner race, simple to operate, and through planet wheel packing ring, planet wheel round pin axle packing ring, bearing packing ring as axial spacing, the third axle section is through axial spacing with circlip, and fixed effectual has effectually prevented that the planet wheel round pin axle from drawing out because of vibration atress.

Drawings

Fig. 1 is a schematic perspective view of a novel planetary reducer mechanism applicable to multi-size input or output.

Fig. 2 is a schematic front view of a novel planetary reducer mechanism applicable to multi-size input or output according to the present invention.

Fig. 3 is a schematic perspective view of a schematic perspective view in section of a novel planetary reducer mechanism applicable to multi-size input or output according to the present invention.

In the figure: 1. the planetary gear transmission mechanism comprises an end cover, 2, a gear ring, 3, a bearing sleeve, 4, an input shaft, 5, a sun gear, 6, a planet carrier, 7, a planet gear, 8, an input shaft bearing, 9, an input sleeve, 10, a mounting bolt, 11, an output shaft, 12, an output shaft bearing, 13, an output key slot, 14 and an oil seal cover ring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

As shown in fig. 1-3, a novel planetary reducer mechanism applicable to multi-size input or output comprises an end cover 1, a gear ring 2 and a bearing sleeve 3, wherein the gear ring 2 is positioned on one side of the end cover 1, the bearing sleeve 3 is positioned on one side of the gear ring 2, the end cover 1, the gear ring 2 and the bearing sleeve 3 are connected through a plurality of bolts, and a speed reduction mounting structure is arranged in the end cover 1, the gear ring 2 and the bearing sleeve 3;

the speed reduction mounting structure includes: the planetary gear transmission device comprises an input shaft 4, an input mounting assembly, a sun gear 5, a planet carrier 6, three planet gears 7 and an output mounting assembly;

one end of an input shaft 4 is movably embedded in a bearing sleeve 3, an input installation component is sleeved on the input shaft 4 and is positioned in the bearing sleeve 3, a sun gear 5 is installed at one end of the input shaft 4, a planet carrier 6 is movably embedded in a gear ring 2, three planet gears 7 are all installed at one side of the planet carrier 6 and are respectively meshed with the sun gear 5 and the inner wall of the gear ring 2, an output installation component is embedded in an end cover 1, and one end of the output installation component is connected with the planet carrier 6.

When the planetary gear transmission device is used, an input installation component on one side of an input shaft 4 is firstly connected with appointed equipment by a worker, then an output installation component is connected with output equipment, when the input installation component in a bearing sleeve 3 rotates, a sun gear 5 is driven to rotate in a gear ring 2 through the input shaft 4, the sun gear 5 is meshed with three planetary gears 7, the three planetary gears 7 rotate in the gear ring 2, a planet carrier 6 and the output installation component in an end cover 1 are driven to rotate, the purpose of speed reduction is achieved, and an input port and an output port with the size of 80/90 can be simultaneously connected through the input installation component and the output installation component which are arranged.

In an implementation, the input mounting assembly includes: an input shaft bearing 8, an input sleeve 9 and a mounting bolt 10;

the input shaft bearing 8 is embedded in the bearing sleeve 3, and is movably sleeved at the upper end of the input shaft 4, one end of the input sleeve 9 is connected with the input shaft 4, and the mounting bolt 10 is movably embedded at one side of the input sleeve 9.

During installation, the input sleeve 9 is sleeved on the input port, the input sleeve 9 is locked by the mounting bolt 10, the input sleeve 9 is fixed at the upper end of the input port, and the input sleeve 9 and the input shaft 4 are driven to rotate in the input shaft bearing 8 by the input port.

In an implementation, the output mounting assembly includes: an output shaft 11, an output shaft bearing 12, and an output key groove 13;

one end of an output shaft 11 is connected with the planet carrier 6, an output shaft bearing 12 is embedded in the end cover 1 and is movably sleeved on the output shaft 11, and an output key groove 13 is formed in the upper end of the output shaft 11.

During installation, the output shaft 11 is connected to the output port by a worker, rotational stability of the output shaft 11 is ensured by the output shaft bearing 12, and connection stability between the output shaft 11 and the output port is ensured by the output key groove 13.

In a specific implementation process, the output shaft 11 is a three-stage stepped shaft.

In the specific implementation process, the output shaft bearing 12 is sleeved at the middle section of the output shaft 11.

In the concrete implementation process, an oil seal cover ring 14 is arranged at the joint of the bearing sleeve 3 and the gear ring 2.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising one" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises an element.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The novel planetary reducer mechanism suitable for multi-size input or output comprises an end cover (1), a gear ring (2) and a bearing sleeve (3), and is characterized in that the gear ring (2) is positioned on one side of the end cover (1), the bearing sleeve (3) is positioned on one side of the gear ring (2), the end cover (1), the gear ring (2) and the bearing sleeve (3) are connected through a plurality of bolts, and a speed reduction mounting structure is arranged in the end cover (1), the gear ring (2) and the bearing sleeve (3);

the speed reduction mounting structure includes: the planetary gear transmission device comprises an input shaft (4), an input mounting assembly, a sun gear (5), a planet carrier (6), three planet gears (7) and an output mounting assembly;

the planetary gear transmission device is characterized in that one end of the input shaft (4) is movably embedded in the bearing sleeve (3), the input installation component is sleeved on the input shaft (4) and is positioned in the bearing sleeve (3), the sun gear (5) is installed at one end of the input shaft (4), the planet carrier (6) is movably embedded in the gear ring (2), the three planet gears (7) are all installed at one side of the planet carrier (6) and are respectively meshed with the sun gear (5) and the inner wall of the gear ring (2), and the output installation component is embedded in the end cover (1) and is connected with the planet carrier (6) at one end.

2. A novel planetary reducer mechanism adaptable for use in multiple size inputs or outputs as defined in claim 1, wherein said input mounting assembly comprises: an input shaft bearing (8), an input sleeve (9) and a mounting bolt (10);

the input shaft bearing (8) is embedded in the bearing sleeve (3), the input shaft (4) is movably sleeved at the upper end of the input shaft, one end of the input sleeve (9) is connected with the input shaft (4), and the mounting bolt (10) is movably embedded at one side of the input sleeve (9).

3. A novel planetary reducer mechanism adaptable for use with multiple size inputs or outputs as defined in claim 1, wherein the output mounting assembly comprises: an output shaft (11), an output shaft bearing (12) and an output key groove (13);

one end of the output shaft (11) is connected with the planet carrier (6), the output shaft bearing (12) is embedded in the end cover (1) and is movably sleeved on the output shaft (11), and the output key groove (13) is formed in the upper end of the output shaft (11).

4. A novel planetary reducer mechanism applicable to multi-size input or output according to claim 3, characterized in that the output shaft (11) is a three-stage stepped shaft.

5. A novel planetary reducer mechanism applicable to multi-size input or output according to claim 3, characterized in that the output shaft bearing (12) is sleeved at the middle section of the output shaft (11).

6. A novel planetary reducer mechanism applicable to multi-size input or output according to claim 1, characterized in that an oil seal cover ring (14) is arranged at the joint of the bearing sleeve (3) and the gear ring (2).