CN208634289U - A kind of double outputting planetary gear reduction unit - Google Patents

A kind of double outputting planetary gear reduction unit Download PDF

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Publication number
CN208634289U
CN208634289U CN201820803246.6U CN201820803246U CN208634289U CN 208634289 U CN208634289 U CN 208634289U CN 201820803246 U CN201820803246 U CN 201820803246U CN 208634289 U CN208634289 U CN 208634289U
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China
Prior art keywords
planetary gear
gear
output shaft
planet carrier
ring
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CN201820803246.6U
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Chinese (zh)
Inventor
甄冬
魏东超
张琛
张�浩
师占群
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Hebei University of Technology
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Hebei University of Technology
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Abstract

The utility model discloses a kind of double outputting planetary gear reduction units, including input shaft, the first sun gear, the second sun gear, first planet carrier, the first output shaft, the first planetary gear, the second ring gear, the first ring gear, first end cover, the second planet carrier, the second output shaft, the second planetary gear, second end cover and shell.This retarder is inputted by an input shaft, generates the output of two kinds of different drive ratios, and when use can choose wherein any one output shaft and two output shafts while can also use.Two output shafts can be arranged in same direction.The power of each output shaft output simultaneously is the superposition of two groups of power, the superposition of two groups of power and the relatively general planetary reducer effect of deceleration torque increase effect that reaches is more stable, torque reinforcing effect is more preferably.

Description

A kind of double outputting planetary gear reduction unit
Technical field
The utility model belongs to Design of Speed Reducer and manufacturing technology field, specifically a kind of double outputting planetary The gear deceleration Device.
Background technique
In mechanical and its related fields, such as lathe, automated production equipment, Automobile Transportation tool, electric tool, pneumatic work Tool or household electrical appliance etc., the revolving speed that usual power source directly exports is excessively high, and output torque is too small, and not being able to satisfy makes in actual production Needs in.It usually requires to install deceleration torsion increasing device additional between power source and executing agency, i.e., retarder increases to realize to slow down The effect of torsion.
There are many retarder type.When reduction ratio is below 10, single-stage parallel axes straight-tooth wheel decelerator or planet can be used Retarder;When needing relatively high reduction ratio, multi-stage speed reducer is necessary.Common high reduction ratio gear drive machine Structure, such as worm reduction gear, harmonic drive or cycloidal pin gear drive, these deceleration mechanisms can play deceleration torque increase effect well Fruit, only enforcement difficulty, manufacturing cost are different.But it may require that the different environment of multiple transmission ratios in actual production.And mesh Front reduction gear is all single export structure, can not achieve the function of the single multiple outputs of input.And multi-stage planetary gear is passed Dynamic but structure is complicated, it can be achieved that a variety of transmission ratios, and needing controller to be controlled just may be implemented, higher cost.
Utility model content
In view of the deficiencies of the prior art, the technical issues of the utility model intends to solve is to provide a kind of double outputting planetary tooth Wheel decelerator.
The technical solution that the utility model solves the technical problem is to provide a kind of double outputting planetary gear reduction unit, It is characterized in that the retarder includes input shaft, the first sun gear, the second sun gear, first planet carrier, the first output shaft, first Planetary gear, the second ring gear, the first ring gear, first end cover, the second planet carrier, the second output shaft, the second planetary gear, second end Lid and shell;
The side of the shell is equipped with first end cover, and the other side is equipped with second end cover;The input shaft passes through bearing It is connect with first end cover, input shaft passes through first end cover and is fixedly connected with the first sun gear and the second sun gear;In described first Gear ring is fixed on enclosure interior;First planetary gear is engaged with the first ring gear and the first sun gear respectively;The first row Star-wheel is installed on the axis of first planet carrier by bearing;The first planet carrier is fixedly connected with the first output shaft;Described One output shaft is hollow, and the first output shaft is connect by bearing with second end cover, and is pierced by second end cover;
The first planet carrier includes accommodating chamber and hollow Transmission Room;The first sun gear and the are placed inside the accommodating chamber One planetary gear;The hollow transmission chamber internal surface is fixed with the second ring gear, inside place the second sun gear, the second planet carrier and Second planetary gear;Second planetary gear is engaged with the second ring gear and the second sun gear respectively;Second planetary gear passes through Bearing is installed on the axis of the second planet carrier;Second output shaft is fixedly connected with the second planet carrier;Second output shaft Inside the first output shaft, and it is pierced by second end cover.
Compared with prior art, the utility model beneficial effect is:
1, this retarder is inputted by an input shaft, generates the output of two kinds of different drive ratios, and when use can choose it In any one output shaft can also two output shafts use simultaneously.Two output shafts can be arranged in same direction.It is each simultaneously The power of output shaft output is all the superposition of two groups of power, the superposition of two groups of power and the deceleration torque increase effect that reaches is relatively general Planetary reducer effect is more stable, and torque reinforcing effect is more preferably.
2, this reduction gearbox realizes same one speed reducer while exporting two kinds of different rotating speeds and not having to addition any other device, Solve transmission ratio existing for existing retarder output it is single, output end is single, structure is complicated, reduction ratio is low, transmission efficiency is low, The high problem of manufacturing cost, has widened the application of gear-box, saves the space of epicyclic gearbox.
Detailed description of the invention
Fig. 1 is a kind of overall structure axonometric schematic diagram of embodiment of the utility model double outputting planetary gear reduction unit;
Fig. 2 is that a kind of overall structure another side axis of embodiment of the utility model double outputting planetary gear reduction unit measures It is intended to;
Fig. 3 is a kind of overall structure cross-sectional view of embodiment of the utility model double outputting planetary gear reduction unit;
Fig. 4 be a kind of embodiment of the utility model double outputting planetary gear reduction unit remove shell and first end cover after Axonometric schematic diagram;
Fig. 5 is a kind of planetary gear train scheme of installation of embodiment of the utility model double outputting planetary gear reduction unit;
Fig. 6 is a kind of first planet carrier axonometric schematic diagram of embodiment of the utility model double outputting planetary gear reduction unit; (in figure: 1, input shaft;1-1, keyway;2, the first sun gear;3, the second sun gear;4, first planet carrier;4-1, accommodating chamber;4- 2, hollow Transmission Room;5, the first output shaft;6, the first planetary gear;7, the second ring gear;8, the first ring gear;9, first end cover; 10, the second planet carrier;11, the second output shaft;12, the second planetary gear;13, second end cover;14, shell)
Specific embodiment
Specific embodiment of the utility model is given below.Specific embodiment is only used for being further described originally practical new Type does not limit the protection scope of the claim of this application.
The utility model provides a kind of double outputting planetary gear reduction unit (referring to Fig. 1-6, abbreviation retarder), feature It is that the retarder includes input shaft 1, the first sun gear 2, the second sun gear 3, first planet carrier 4, the first output shaft 5, first Planetary gear 6, the second ring gear 7, the first ring gear 8, first end cover 9, the second planet carrier 10, the second output shaft 11, the second planet Wheel 12, second end cover 13 and shell 14;
The side of the shell 14 is equipped with first end cover 9 by bolt, and the other side is equipped with second end cover by bolt 13;The input shaft 1 is connect by bearing with first end cover 9, input shaft 1 across first end cover 9 successively with the first sun gear 2 and Second sun gear 3 is fixedly connected;First ring gear 8 is fixed on inside shell 14;First planetary gear 6 is respectively with first Ring gear 8 and the engagement of the first sun gear 2;First planetary gear 6 is installed on the axis of first planet carrier 4 by bearing, bearing The axis connection of inner ring and first planet carrier 4, bearing outer ring are connect with the first planetary gear 6;The first planet carrier 4 and the first output Axis 5 is fixedly connected;First output shaft 5 is hollow, and the first output shaft 5 is connect by bearing with second end cover 13, and is pierced by the Two end caps 13;
The first planet carrier 4 includes accommodating chamber 4-1 and hollow Transmission Room 4-2;First is placed inside the accommodating chamber 4-1 Sun gear 2 and the first planetary gear 6;The hollow Transmission Room 4-2 inner surface is fixed with the second ring gear 7, and inside places second too Sun the 3, second planet carrier 10 of wheel and the second planetary gear 12;Second planetary gear 12 respectively with the second ring gear 7 and second sun 3 engagement of wheel;Second planetary gear 12 is installed on the axis of the second planet carrier 10 by bearing, bearing inner race and the second planet carrier 10 axis connection, bearing outer ring are connect with the second planetary gear 12;Second output shaft 11 is fixedly connected with the second planet carrier 10; The minimum diameter of first output shaft 5 is greater than the maximum gauge of the second output shaft 11, and the second output shaft 11 is located at the first output Inside axis 5, and it is pierced by second end cover 13;
Preferably, the input terminal of the input shaft 1 is provided with keyway 1-1, for connecting with external impetus;First output Axis 5 and the second output shaft 11 are mounted on hex union, and for being separately connected the different devices for needing power to input, output is dynamic Power;
Preferably, there are three the axis holes that angle is in 120 ° by the accommodating chamber 4-1 of the first planet carrier 4, for placing three First planetary gear 6;There are three the axis holes that angle is in 120 ° for second planet carrier 10, for placing three the second planetary gears 12;
Preferably, the ring internal diameter of accommodating chamber 4-1 is greater than 2 tooth Gao Yuan of the first sun gear;Hollow Transmission Room 4-2 ring internal diameter is greater than Second sun gear, 3 tooth Gao Yuan;Hollow Transmission Room 4-2 inner hollow, thin wall shape, thin-walled width are greater than the second ring gear 7 in a ring Width;
Preferably, the ring internal diameter of the second planet carrier 10 is greater than 3 tooth Gao Yuan of the second sun gear, and ring outer diameter is less than hollow Transmission Room The internal diameter of 4-2.
Preferably, the facewidth of the first planetary gear 6 is less than the width of accommodating chamber 4-1;The facewidth of second planetary gear 12 is less than The width of two planet carriers 10;Second planetary gear, 12 reference radius is greater than 6 reference radius of the first planetary gear.
Preferably, 2 reference diameter of the first sun gear is greater than 3 reference diameter of the second sun gear.First sun gear, 2 facewidth Greater than 3 facewidth of the second sun gear.
The working principle and workflow of the utility model double outputting planetary gear reduction unit are:
By 1 input power of input shaft, and it is assigned to the first sun gear 2 and the second sun gear 3.
Power engages between passing through gear, passes to the first planetary gear 6 by the first sun gear 2, the first planetary gear 6 then passes through bearing Transfer power to first planet carrier 4.Simultaneously first planet carrier 4 also receive the second sun gear 3 by with the second planetary gear 12 Engagement is transmitted to the power of the second ring gear 7, realizes power superposition.First planet carrier 4 connect with the first output shaft 5 and by the One output shaft 5 exports the power after deceleration torque increase, realizes first order kinetics output.
The power of second sun gear 3 passes to the second planetary gear 12, and the second planetary gear 12 is then transferred power to by bearing Second planet carrier 10.The power after the deceleration torque increase of first planet carrier 4 passes to the second planetary gear by the second ring gear 7 simultaneously 12, power transmission to the second planet carrier 10 is realized power superposition by the second planetary gear 12.Second planet carrier 10 is defeated by second again Shaft 11 outputs power.
The utility model does not address place and is suitable for the prior art.

Claims (7)

1. a kind of double outputting planetary gear reduction unit, it is characterised in that the retarder include input shaft, the first sun gear, second too Positive wheel, first planet carrier, the first output shaft, the first planetary gear, the second ring gear, the first ring gear, first end cover, the second planet Frame, the second output shaft, the second planetary gear, second end cover and shell;
The side of the shell is equipped with first end cover, and the other side is equipped with second end cover;The input shaft passes through bearing and the The connection of one end cap, input shaft pass through first end cover and are fixedly connected with the first sun gear and the second sun gear;First ring gear It is fixed on enclosure interior;First planetary gear is engaged with the first ring gear and the first sun gear respectively;First planetary gear It is installed on the axis of first planet carrier by bearing;The first planet carrier is fixedly connected with the first output shaft;Described first is defeated Shaft is hollow, and the first output shaft is connect by bearing with second end cover, and is pierced by second end cover;
The first planet carrier includes accommodating chamber and hollow Transmission Room;The first sun gear and the first row are placed inside the accommodating chamber Star-wheel;The hollow transmission chamber internal surface is fixed with the second ring gear, and the second sun gear, the second planet carrier and second are placed in inside Planetary gear;Second planetary gear is engaged with the second ring gear and the second sun gear respectively;Second planetary gear passes through bearing It is installed on the axis of the second planet carrier;Second output shaft is fixedly connected with the second planet carrier;Second output shaft is located at Inside first output shaft, and it is pierced by second end cover.
2. double outputting planetary gear reduction unit according to claim 1, it is characterised in that the minimum diameter of the first output shaft Greater than the maximum gauge of the second output shaft.
3. double outputting planetary gear reduction unit according to claim 1, it is characterised in that the input terminal of the input shaft is opened There is keyway, for connecting with external impetus;First output shaft and the second output shaft are mounted on connector, for connecting difference Need power input device.
4. double outputting planetary gear reduction unit according to claim 1, it is characterised in that the first sun gear reference diameter Greater than the second sun gear reference diameter;First solar wheeling tooth is wider than the second sun gear facewidth.
5. double outputting planetary gear reduction unit according to claim 1, it is characterised in that the ring internal diameter of accommodating chamber is greater than the One solar wheeling tooth Gao Yuan;Hollow Transmission Room ring internal diameter is greater than the second solar wheeling tooth Gao Yuan;Hollow Transmission Room inner hollow, in a ring Thin wall shape, thin-walled width are greater than the width of the second ring gear.
6. double outputting planetary gear reduction unit according to claim 1, it is characterised in that the ring internal diameter of the second planet carrier is big In the second solar wheeling tooth Gao Yuan, ring outer diameter is less than the internal diameter of hollow Transmission Room.
7. double outputting planetary gear reduction unit according to claim 1, it is characterised in that the facewidth of the first planetary gear is less than The width of accommodating chamber;Width of the facewidth of second planetary gear less than the second planet carrier;Second planetary gear reference radius is greater than the One planetary gear reference radius.
CN201820803246.6U 2018-05-28 2018-05-28 A kind of double outputting planetary gear reduction unit Active CN208634289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820803246.6U CN208634289U (en) 2018-05-28 2018-05-28 A kind of double outputting planetary gear reduction unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820803246.6U CN208634289U (en) 2018-05-28 2018-05-28 A kind of double outputting planetary gear reduction unit

Publications (1)

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CN208634289U true CN208634289U (en) 2019-03-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112498667A (en) * 2020-12-04 2021-03-16 中国航空工业集团公司成都飞机设计研究所 Electric actuating retraction device for cabin door of dual-redundancy undercarriage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112498667A (en) * 2020-12-04 2021-03-16 中国航空工业集团公司成都飞机设计研究所 Electric actuating retraction device for cabin door of dual-redundancy undercarriage

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