CN205605741U - Decide planet posture heavy load planetary gear train's for speed reducer structure - Google Patents
Decide planet posture heavy load planetary gear train's for speed reducer structure Download PDFInfo
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- CN205605741U CN205605741U CN201620227568.1U CN201620227568U CN205605741U CN 205605741 U CN205605741 U CN 205605741U CN 201620227568 U CN201620227568 U CN 201620227568U CN 205605741 U CN205605741 U CN 205605741U
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Abstract
The utility model relates to a decide planet posture heavy load planetary gear train's for speed reducer structure, including sun gear axle, sun gear, planet carrier, planetary gear, ring gear, cylindrical roller bearing, angular contact ball bearing, reducing gear box casing, the sun gear axle is the input, and the one end of sun gear axle is equipped with the sun gear, and sun gear and the meshing of three planetary gear, three planetary gear lie in the outer circumference of sun gear, and every planetary gear sets up on the planet carrier through a set of cylindrical roller bearing, three planetary gear and ring gear meshing, and the output of ring gear sets up on the reducing gear box casing through a set of mating angular contact ball bearing that can carry out axial and radical location simultaneously. The beneficial effects of the utility model are that: the utility model discloses a decide planet posture heavy load planetary gear train's for speed reducer structure adopts ring gear output, saves space, and reduction weight is fit for on -vehicle equipment and uses, and bearing capacity is strong, and the fault rate is low, be convenient for maintenance and manufacturing.
Description
Technical field
This utility model relates to a kind of reductor, particularly relates to one and determines planet posture heavy duty reductor row
The structure of star wheel series.
Background technology
Heavy duty reductor is speed reduction driving mechanism for power matching used with high-power reciprocating plunger pump, and heavy duty subtracts
The structure of the planet circular system in speed machine directly affects work efficiency and stability, the present city of heavy duty reductor
It is input that structure common on field mostly is sun gear, and ring gear is fixed, and planet carrier rotates, and planet carrier is
Outfan.It is big to there is rotary inertia in this structure, can produce greater impact during rotation speed change, and fault rate is high
Etc. shortcoming, it is difficult to meet the use requirement of high-power reciprocating plunger pump.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of rotary inertia is relatively small, rotating speed becomes
Produce during change impulsive force is relatively small, failure rate is low determine planet posture heavy duty reductor planet circular system
Structure this utility model to solve the technical scheme of above-mentioned technical problem as follows: it is a kind of that determine planet posture heavily loaded
The structure of reductor planet circular system, including central gear shaft, central gear, planet carrier, planetary gear,
Ring gear, cylinder roller bearing, angular contact ball bearing, reduction box casing；Central gear shaft is input,
One end of central gear shaft is provided with central gear, and central gear is fixing with central gear shaft to be connected, sun tooth
Wheel engages with three planetary gears, and three planetary gears are positioned on the excircle of central gear, each planet
Gear is arranged on planet carrier by one group of cylinder roller bearing, and three planetary gears engage with ring gear,
The outfan of ring gear by one assemble to angular contact ball bearing be arranged on reduction box casing.
The beneficial effects of the utility model are: one of the present utility model is determined planet posture heavy duty reductor and used
The structure of planet circular system, uses ring gear output, saves space, reduce weight, and applicable car kits makes
With, bearing capacity is strong, failure rate is low, it is simple to keep in repair and manufacture.
Further: central gear shaft is quick condition, does not install bearing.
Above-mentioned further scheme provides the benefit that: sun gear, as input, does not install any bearing,
Float between three planetary gears, reduce manufacture and rigging error, make three planetary gear stress simultaneously
More uniform.
Further: three planetary gears are evenly distributed on the excircle of central gear, and adjacent two
Angle between planetary gear is 120 °.
Above-mentioned further scheme provides the benefit that: three planetary gears are uniform to be arranged on outside central gear
On circumference so that central gear uniform force.
Further: one group of cylinder roller bearing is two, often it is equipped with cylinder between group cylinder roller bearing
Bearings set.
Above-mentioned further scheme provides the benefit that: protection cylinder roller bearing and planet carrier are the most frayed.
Further: one group of angular contact ball bearing is two, often it is equipped with corner connection between group angular contact ball bearing
Touch ball bearing bearing holder (housing, cover).
Above-mentioned further scheme provides the benefit that: shielding angle contact ball bearing and ring gear are the most frayed.
Further: the outfan of ring gear is provided with keyway, keyway is spline.
Above-mentioned further scheme provides the benefit that: outfan output moment of torsion and power, and spline connection has
Higher bearing capacity.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is A-A sectional view of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, central gear shaft, 2, central gear, 3, planet carrier, 4, planetary gear, 5, ring gear,
6, cylinder roller bearing, 7, angular contact ball bearing, 8, reduction box casing, 9, cylinder roller bearing axle
Bearing sleeve, 10, angular contact ball bearing bearing holder (housing, cover), 11, spline.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving
Release this utility model, be not intended to limit scope of the present utility model.
As shown in Figure 1 and Figure 2, a kind of structure determining planet posture heavy duty reductor planet circular system, bag
Include central gear shaft 1, central gear 2, planet carrier 3, planetary gear 4, ring gear 5, cylindrical roller
Bearing 6, angular contact ball bearing 7, reduction box casing 8；Central gear shaft 1 is input, central gear
One end of axle 1 is provided with central gear 2, and central gear 2 is fixing with central gear shaft 1 to be connected, sun tooth
Wheel 2 engages with three planetary gears 4, and three planetary gears 4 are positioned on the excircle of central gear 2,
Three planetary gears 4 engage with ring gear 5 simultaneously, increase area of contact, improve bearing capacity.
Each planetary gear 4 is arranged on planet carrier 3 by one group of cylinder roller bearing 6, three planetary gears
4 engage with ring gear 5, the outfan of ring gear 5 by one assemble to can carry out axially and footpath simultaneously
Angular contact ball bearing 7 to location is arranged on reduction box casing 8.
Further: central gear shaft 1 is quick condition, does not install bearing.
Three planetary gears 4 are evenly distributed on the excircle of central gear 2, and adjacent two planets
Angle between gear 4 is 120 °.
Further: one group of cylinder roller bearing 6 is two, between two cylinder roller bearings 6 often organized
It is equipped with cylinder roller bearing bearing holder (housing, cover) 9.
One group of angular contact ball bearing 7 is two, is equipped with angle between two angular contact ball bearings 7 often organized
Contact ball bearing bearing holder (housing, cover) 10.
Further: the outfan of ring gear 5 is provided with keyway, keyway is spline 11.
It is further: planet carrier 3 is connected by connecting rod is fixing with reduction box casing 8, is fixed by planet carrier 3,
Simple in construction, failure rate is low.
When reductor works, central gear shaft 1 rotates, and then drives central gear 2 to rotate, due to
Three planetary gears 4 engage with central gear 2, Gu three planetary gears 4 rotate, due to three planets
Gear 4 engages with ring gear 5, Gu ring gear 5 rotates, power is exported by spline 11.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all
Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all
Within protection domain of the present utility model should be included in.
Claims (6)
1. the structure determining planet posture heavy duty reductor planet circular system, it is characterised in that: include
Central gear shaft (1), central gear (2), planet carrier (3), planetary gear (4), ring gear
(5), cylinder roller bearing (6), angular contact ball bearing (7), reduction box casing (8)；Described
Central gear shaft (1) is input, and one end of described central gear shaft (1) is provided with described central gear
(2), described central gear (2) is fixing with described central gear shaft (1) to be connected, described sun tooth
Wheel (2) engages with three described planetary gears (4), and three described planetary gears (4) are positioned at described
On the excircle of central gear (2), each described planetary gear (4) is by cylindrical roller described in a group
Bearing (6) is arranged on described planet carrier (3), three described planetary gears (4) and described internal tooth
Circle (5) engagement, the outfan of described ring gear (5) by one assemble to can carry out axially simultaneously and
Radially the described angular contact ball bearing (7) of location is arranged on described reduction box casing (8).
A kind of knot determining planet posture heavy duty reductor planet circular system the most according to claim 1
Structure, it is characterised in that: described central gear shaft (1) is quick condition, does not install bearing.
A kind of knot determining planet posture heavy duty reductor planet circular system the most according to claim 1
Structure, it is characterised in that: three described planetary gears (4) are evenly distributed in described central gear (2)
Excircle on, and the angle between adjacent two described planetary gears (4) is 120 °.
A kind of knot determining planet posture heavy duty reductor planet circular system the most according to claim 1
Structure, it is characterised in that: described in one group, cylinder roller bearing (6) is two, two the described circles often organized
Cylinder roller bearing bearing holder (housing, cover) (9) it is equipped with between post roller bearing (6).
A kind of knot determining planet posture heavy duty reductor planet circular system the most according to claim 1
Structure, it is characterised in that: described in one group, angular contact ball bearing (7) is two, two the described corner connections often organized
Touch and be equipped with angular contact ball bearing bearing holder (housing, cover) (10) between ball bearing (7).
6. determine planet posture heavy duty reductor row according to the one described in any one of claim 1 to 5
The structure of star wheel series, it is characterised in that: the outfan of described ring gear (5) is provided with keyway, described keyway
For spline (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620227568.1U CN205605741U (en) | 2016-03-23 | 2016-03-23 | Decide planet posture heavy load planetary gear train's for speed reducer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620227568.1U CN205605741U (en) | 2016-03-23 | 2016-03-23 | Decide planet posture heavy load planetary gear train's for speed reducer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605741U true CN205605741U (en) | 2016-09-28 |
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ID=56962474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620227568.1U Active CN205605741U (en) | 2016-03-23 | 2016-03-23 | Decide planet posture heavy load planetary gear train's for speed reducer structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387674A (en) * | 2017-07-14 | 2017-11-24 | 芜湖威灵数码科技有限公司 | A kind of gear transmission structure of Jing Yin and low abrasion |
| CN109340319A (en) * | 2018-10-19 | 2019-02-15 | 东莞市赛仑特实业有限公司 | A kind of A+B gear-box complete machine structure |
| CN109969226A (en) * | 2019-03-28 | 2019-07-05 | 唐山百川智能机器股份有限公司 | Telescopic wheeled power unit and railing EMU floor detection device |
| CN112081876A (en) * | 2020-09-10 | 2020-12-15 | 李雪琴 | High-speed high-power shaft-connected reducer |
-
2016
- 2016-03-23 CN CN201620227568.1U patent/CN205605741U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387674A (en) * | 2017-07-14 | 2017-11-24 | 芜湖威灵数码科技有限公司 | A kind of gear transmission structure of Jing Yin and low abrasion |
| CN109340319A (en) * | 2018-10-19 | 2019-02-15 | 东莞市赛仑特实业有限公司 | A kind of A+B gear-box complete machine structure |
| CN109969226A (en) * | 2019-03-28 | 2019-07-05 | 唐山百川智能机器股份有限公司 | Telescopic wheeled power unit and railing EMU floor detection device |
| CN112081876A (en) * | 2020-09-10 | 2020-12-15 | 李雪琴 | High-speed high-power shaft-connected reducer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |