CN210371845U - Nine-planet gear speed reducer - Google Patents
Nine-planet gear speed reducer Download PDFInfo
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- CN210371845U CN210371845U CN201920069467.XU CN201920069467U CN210371845U CN 210371845 U CN210371845 U CN 210371845U CN 201920069467 U CN201920069467 U CN 201920069467U CN 210371845 U CN210371845 U CN 210371845U
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Abstract
The utility model discloses a nine planetary gear reduction gears belongs to gear reduction gear technical field. Comprises a second stage output gear; the second-stage output gear is in meshed connection with a pair of second-stage transmission gears, and the two second-stage transmission gears are symmetrically arranged on two sides of the second-stage output gear; a transmission shaft is arranged at the axle center of the second-stage transmission gear, and a first-stage transmission gear is arranged at the other end of the transmission shaft; the first-stage transmission gear is in meshed connection with a pair of first-stage input gears, and the two first-stage input gears are symmetrically arranged on two sides of the first-stage transmission gear. The utility model discloses 25% total power is shared to every pinion, reduces the pinion because of the high wearing and tearing that produce of rotational speed for pinion, gear wheel life are unanimous as far as possible, have prolonged the holistic life of nine planetary gear reducers. The two-stage transmission mode is adopted, the lever principle of the ratio of the gear to the shaft is fully utilized, the purposes of energy saving and labor saving are achieved, and the gear transmission device is not only suitable for speed reduction, but also suitable for the working condition needing transmission power.
Description
Technical Field
The utility model relates to a gear reducer technical field specifically is a nine planetary gear reducer.
Background
The development and the manufacture of the gear reducer have been used for hundreds of years, and the gear reducer has various types such as single drive, central drive, double drive and the like. The existing gear reducer does not well solve the problem of serious abrasion of the small gear, so that the small gear is abraded relatively fast to the big gear, and the service life of the existing gear reducer is greatly shorter than that of the big gear. In addition, the existing gear reducer does not fully utilize the lever principle of good gear-shaft diameter ratio, so that the existing gear reducer is difficult to be qualified in the working condition of mainly transmitting power.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a nine planetary gear reducer.
The utility model discloses a following technical scheme realizes: a nine-pinion gear reducer includes a second stage output gear; the second-stage output gear is in meshed connection with a pair of second-stage transmission gears, and the two second-stage transmission gears are symmetrically arranged on two sides of the second-stage output gear; the axle center of the second-stage transmission gear is provided with a transmission shaft, and the other end of the transmission shaft is provided with a first-stage transmission gear; the first-stage transmission gear is in meshed connection with a pair of first-stage input gears, and the two first-stage input gears are symmetrically arranged on two sides of the first-stage transmission gear.
Preferably: the diameter of the second-stage output gear is larger than that of the second-stage transmission gear.
Preferably: the diameter of the first-stage transmission gear is larger than that of the first-stage transmission gear.
Preferably: the diameter of the first-stage transmission gear is larger than that of the first-stage input gear.
The utility model discloses nine planetary gear reducers comprise nine gears, and it mainly uses in long-term operation's place, for example, the reduction gear of all year's operation in the beam-pumping unit in the oil pumping field. Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses choose the four-wheel drive technique for use, 25% total power is shared to every pinion, reduces the pinion because of the high wearing and tearing that produce of rotational speed, drives better solution pinion serious problem of wearing and tearing than two for pinion, gear wheel life are unanimous as far as possible, have prolonged the holistic life of nine planetary gear reducer. The two-stage transmission mode is adopted, the transmission diameter ratio of each stage is reduced, the lever principle of the gear and shaft diameter ratio is fully utilized, the purposes of energy conservation and labor saving are achieved, and the gear transmission mechanism is not only suitable for speed reduction, but also suitable for the working condition of power transmission.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
in the figure: 1. a second stage output gear; 2. a second stage transmission gear; 3. a drive shaft; 4. a first stage transmission gear; 5. a first stage input gear.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a nine-planetary gear reducer is mainly composed of nine gears. The pair of second-stage transmission gears 2 are meshed and connected with a second-stage output gear 1, the two second-stage transmission gears 2 are symmetrically arranged on two sides of the second-stage output gear 1, and the diameter of the second-stage output gear 1 is larger than that of the second-stage transmission gears 2. One end of the transmission shaft 3 is provided with a second-stage transmission gear 2, the other end of the transmission shaft 3 is provided with a first-stage transmission gear 4, and the diameter of the first-stage transmission gear 4 is larger than that of the second-stage transmission gear 2. The pair of first-stage input gears 5 are in meshed connection with the first-stage transmission gears 4, the two first-stage input gears 5 are symmetrically arranged on two sides of the first-stage transmission gears 4, and the diameters of the first-stage transmission gears 4 are larger than those of the first-stage input gears 5.
The nine-planetary gear reducer in the embodiment is mainly applied to places with long-term operation, such as reducers operating all year round in pumping units in pumping fields. The centers of the 4 first-stage input gears 5 are provided with rotating shafts and are connected with a motor through a coupler, and each first-stage input gear 5 shares 25% of total power, so that the abrasion of the first-stage input gears 5 caused by high rotating speed is reduced; the two-stage transmission form is adopted, the transmission diameter ratio of each stage is reduced, the lever principle of the gear and shaft diameter ratio is fully utilized, the service lives of the pinion and the gearwheel are as consistent as possible, the service life of the whole nine-planet gear reducer is prolonged, the lever principle of the gear and shaft diameter ratio is fully utilized, the purposes of energy conservation and labor conservation are achieved, the speed reducer is suitable for speed reduction, and the speed reducer can also be suitable for the working condition needing transmission power.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A nine-gear speed reducer is composed of a main body,
the method is characterized in that:
comprises a second stage output gear (1);
the second-stage output gear (1) is in meshed connection with a pair of second-stage transmission gears (2), and the two second-stage transmission gears (2) are symmetrically arranged on two sides of the second-stage output gear (1);
a transmission shaft (3) is arranged at the axis of the second-stage transmission gear (2), and a first-stage transmission gear (4) is arranged at the other end of the transmission shaft (3);
the first-stage transmission gear (4) is connected with a pair of first-stage input gears (5) in a meshed mode, and the two first-stage input gears (5) are symmetrically arranged on two sides of the first-stage transmission gear (4).
2. The nine-pinion gear reducer of claim 1 wherein: the diameter of the second-stage output gear (1) is larger than that of the second-stage transmission gear (2).
3. The nine-pinion gear reducer of claim 1 wherein: the diameter of the first-stage transmission gear (4) is larger than that of the second-stage transmission gear (2).
4. The nine-pinion gear reducer of claim 1 wherein: the diameter of the first-stage transmission gear (4) is larger than that of the first-stage input gear (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069467.XU CN210371845U (en) | 2019-01-16 | 2019-01-16 | Nine-planet gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069467.XU CN210371845U (en) | 2019-01-16 | 2019-01-16 | Nine-planet gear speed reducer |
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| Publication Number | Publication Date |
|---|---|
| CN210371845U true CN210371845U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920069467.XU Active CN210371845U (en) | 2019-01-16 | 2019-01-16 | Nine-planet gear speed reducer |
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| CN (1) | CN210371845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578523A (en) * | 2019-01-16 | 2019-04-05 | 宋祥民 | Nine star gear reduction units |
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2019
- 2019-01-16 CN CN201920069467.XU patent/CN210371845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578523A (en) * | 2019-01-16 | 2019-04-05 | 宋祥民 | Nine star gear reduction units |
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