CN207485975U - A kind of composite speed reducer - Google Patents
A kind of composite speed reducer Download PDFInfo
- Publication number
- CN207485975U CN207485975U CN201721276666.5U CN201721276666U CN207485975U CN 207485975 U CN207485975 U CN 207485975U CN 201721276666 U CN201721276666 U CN 201721276666U CN 207485975 U CN207485975 U CN 207485975U
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- CN
- China
- Prior art keywords
- drive
- gear planet
- transmission wheel
- shaft
- planet transmission
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Abstract
The utility model discloses a kind of composite speed reducers, it is related to reducer structure technical field, including input shaft, the first drive, Gear Planet Transmission wheel, the second drive, output shaft and shell equipped with track, second drive is connected to the track of shell, power is transmitted to the second drive by the first drive by Gear Planet Transmission wheel, first drive is connect by input shaft with external impetus mechanism, and the second drive is by exporting axially outer passing power.In this way, the second drive is given by using Gear Planet Transmission wheel passing power, and track is set to be adapted with the second drive on the shell and connect, final reduction of speed is realized by the drive connection of different structure, the reducer structure is simple, small, it can realize and peak efficiency and big gearratio are generated in minimum space, install and use all easily.
Description
Technical field
The utility model is related to reducer structure technical field more particularly to a kind of composite speed reducers.
Background technology
At present it is known that deceleration transmission mode have Gear Planet Transmission, less teeth difference transmission (including cycloidal-pin wheel slow down), RV systems
Transmission, harmonic drive, nutation drive and OTR Oscillating Tooth Gear Reducers etc., traditional RV systems deceleration transmission is by a Gear Planet Transmission wheel wheel
It is the axially stacking composition of rear class for the prime and cycloidal-pin wheel deceleration slowed down, Gear Planet Transmission wheel train is usually all equal carrier aircraft
Structure, and input shaft and output shaft are all in a straight line, simple Gear Planet Transmission wheel train is when input with output not in same axis
When can not then run or without practical value, any other Gear Planet Transmission wheel train transmission is in this way, and Cycloidal pin-wheel drive, RV
Transmission, nutation drive and OTR Oscillating Tooth Gear Reducers are all the extensions that these are driven substantially, realize and maximal efficiency is generated in minimum space
It is the direction of deceleration mechanism research and development.
But the reducer structure that is formed of this traditional RV systems reduction gearing mechanism is complicated, bulky, Wu Fashi
Maximal efficiency is generated in present minimum space, very big difficulty is brought to installation, production.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is that solving RV systems deceleration transmission traditional at present
Reducer structure that mechanism is formed is complicated, bulky, can not realize and maximal efficiency is generated in minimum space, to installation,
Production brings the technical issues of very big difficult.
The utility model adopts the following technical solution realizes：
The utility model provides a kind of composite speed reducer, including input shaft, the first drive, Gear Planet Transmission wheel, second
Drive, output shaft and the shell equipped with track, second drive are connected to the track of the shell, first transmission
Power is transmitted to second drive by wheel by the Gear Planet Transmission wheel, first drive by the input shaft and
External impetus mechanism connects, and second drive is by exporting axially outer passing power.
Further, first drive, Gear Planet Transmission wheel and the second drive are gear, the track of the shell
For shell internal tooth.
Further, the swivel mount being installed in the shell is further included, the first transmission shaft is provided on the swivel mount,
First drive is installed on the input shaft, and the Gear Planet Transmission wheel is installed on first transmission shaft and with described
One drive external toothing, the Gear Planet Transmission wheel and the second drive internal messing.
Further, boss is additionally provided on the swivel mount, first through hole is provided on second drive, it is described
Boss passes through the first through hole.
Further, ring flange is provided on the output shaft, is provided with the second through-hole on the ring flange, described second
Second driving shaft is additionally provided on drive, the second driving shaft is installed on second through-hole.
Further, the third transmission shaft being connect with the boss is additionally provided on the swivel mount, on the output shaft
Slot is additionally provided with, the third transmission shaft is inserted in the slot, and the third transmission shaft is with the boss not in same axis
On line, the third transmission shaft does the movement of circular trace using the input shaft as the center of circle.
Further, the Gear Planet Transmission wheel number is one, and the third transmission shaft is done using the input shaft as the center of circle
The movement of circular trace, first transmission shaft are arranged on the swivel mount.
Further, the Gear Planet Transmission wheel number is two, and the corresponding number of the first transmission shaft is two, institute
The movement that third transmission shaft does circular trace using the input shaft as the center of circle is stated, two the first transmission shafts are arranged on the circular trace
Two dynamic points it is upper and on the swivel mount, the folders formed between two the first transmission shafts and the diameter of the circular trace
Angle is equal.
Further, the Gear Planet Transmission wheel number is one, is nibbled outside the Gear Planet Transmission wheel and first drive
It closes, the Gear Planet Transmission wheel and the second drive internal messing.
Further, the Gear Planet Transmission wheel number is two, and two Gear Planet Transmission wheels are respectively arranged at described first and pass
Driving wheel both sides, the Gear Planet Transmission wheel and the first drive external toothing, the Gear Planet Transmission wheel and second drive
Internal messing.
Compared with prior art, the beneficial effects of the utility model are：
By using Gear Planet Transmission wheel passing power to the second drive, and track and the second drive are set on the shell
Connection is adapted, final reduction of speed is realized by the drive connection of different structure, the reducer structure is simple, small, energy
It realizes and peak efficiency and big gearratio is generated in minimum space, install and use all easily.
Description of the drawings
Fig. 1 is the schematic diagram of the composite speed reducer embodiment in the utility model；
Fig. 2 is the structure diagram that the composite speed reducer in the utility model is mounted in external impetus mechanism；
Fig. 3 is the structure diagram that composite speed reducer removes upper casing in Fig. 2；
Fig. 4 is the exploded perspective view of Fig. 2；
Fig. 5 is the structure diagram of swivel mount；
Fig. 6 is the structure diagram of pedestal；
Fig. 7 is the schematic diagram of another embodiment of composite speed reducer；
Fig. 8 is the schematic diagram of another embodiment of composite speed reducer；
Fig. 9 is the schematic diagram of composite speed reducer further embodiment；
Figure 10 is composite speed reducer and the schematic diagram of further embodiment.
In figure：
10th, input shaft；20th, the first drive；30th, Gear Planet Transmission wheel；40th, the second drive；41st, first through hole；42nd,
Two transmission shafts；50th, output shaft；51st, ring flange；511st, the second through-hole；60th, shell；61st, pedestal；611st, third through-hole；612nd, ring
Connected in star；613rd, the 6th through-hole；62nd, upper casing；621st, fourth hole；70th, swivel mount；71st, the first transmission shaft；72nd, boss；73、
Third transmission shaft；74th, fifth hole；75th, annular protrusion；80th, external impetus mechanism.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figs. 1-5, the utility model discloses a kind of composite speed reducer, including input shaft 10, the first drive 20,
Gear Planet Transmission wheel 30, the second drive 40, output shaft 50 and shell 60 are provided with track, the second transmission on the inner wall of shell 60
Wheel 40 is adapted to connection with the track of shell 60, and the track on shell 60 can effectively limit the operation of the second drive 40,
Second drive 40 can slide, roll and engage connection on the track of shell 60, wherein engagement is connected as most preferred skill
Power is transmitted to the second drive 40 by art scheme, the first drive 20 by Gear Planet Transmission wheel 30, and the first drive 20 passes through
Input shaft 10 is connect with external impetus mechanism 80, and the second drive 40 is by output shaft 50 to external passing power.
By using 30 passing power of Gear Planet Transmission wheel to the second drive 40, and track and second is set on shell 60
Drive 40 is adapted connection, and the power on input shaft 10 is ultimately transferred to output shaft 50, is connected by the transmission of different structure
Fetch and realize final reduction of speed, the reducer structure is simple, small, can realize generated in minimum space peak efficiency with greatly
Gearratio, the retarder install and use all easily.
As preferred embodiment, the first drive, Gear Planet Transmission wheel and the second drive are gear, the rail of shell
Road is shell internal tooth, and gear drive has many advantages, such as that transmission efficiency, gearratio are accurate, power bracket is big.
As preferred embodiment, composite speed reducer further includes swivel mount 70, and swivel mount 70 is installed on inside shell 60,
The first transmission shaft 71 is provided on swivel mount 70, the first drive 20 is installed on input shaft 10, and the first drive 20 is equivalent to
Driving gear, Gear Planet Transmission wheel 30 be installed on the first transmission shaft 71 and with 20 external toothing of the first drive, Gear Planet Transmission wheel
30 and 40 internal messing of the second drive, the internal messing of the second drive 40 and 60 track of shell, the second drive 40 has simultaneously
The engagement capability on inside and outside two sides was both engaged or was engaged with the track on shell 60, Gear Planet Transmission wheel with internal rows unit star driving wheel 30
30 with the first drive 20 engage and the second drive 40 on inside and outside two sides engagement all in the same plane, do not increase
Add axial height, realize the large transmission ratio in same level and there is efficient transmission.
It is assumed that A is as the driving tooth i.e. external tooth of the first drive 20, B is the external tooth of Gear Planet Transmission wheel 30, and Y is planet
Frame i.e. the first transmission shaft 71, D are the internal tooth of shell 60, and C1 is the internal tooth of the second drive 40, and C2 is the outer of the second drive 40
Tooth.If A teeth, as sliding tooth, V is second driving shaft 42, then gearratio is：
As shown in fig. 6, shell 60 includes pedestal 61 and the upper casing 62 being connect with pedestal 61, being provided with third on pedestal 61 leads to
Hole 611, input shaft 10 are connect after passing through third through-hole 611 with external impetus mechanism 80, and upper casing 62 is provided with fourth hole
621, output shaft 50 pass through fourth hole 621 after to external passing power, shell 60 is divided after pedestal 61 and upper casing 62, to be convenient for
Installation later and dismounting.
Fifth hole 74 is additionally provided on swivel mount 70, input shaft 10 will sequentially pass through fifth hole 74 and third through-hole
To external passing power after 611, annular protrusion 75 is provided in the bottom of swivel mount 70, fifth hole 74 is arranged on annular protrusion
In 75, corresponding on pedestal 61 to be provided with annular groove 612, third through-hole 611 is arranged in annular groove 612, convex annular
It plays 75 to be inserted in annular groove 612 so that swivel mount 70 can be rotated around output shaft 50.
6th through-hole 613 there are two being also set up on pedestal 61, the two the 6th through-holes 613 are worn for fastener connects use
, fastener will be mounted in external impetus mechanism 80 after passing through the 6th through-hole 613, external dynamic so as to which the retarder be mounted on
On force mechanisms 80, external impetus mechanism 80 here is motor, and fastener is screw.
As preferred embodiment, 70 upper end of swivel mount is additionally provided with circular boss 72, is set on the second drive 40
First through hole 41 is equipped with, round boss 72 passes through first through hole 41, and boss 72 can rotate in first through hole 41.
As preferred embodiment, ring flange 51 is provided on output shaft 50, the second through-hole is provided on ring flange 51
511, the number of the second through-hole 511 is three, also sets up that there are three second driving shaft 42, second driving shafts on the second drive 40
42 is corresponding with the second through-hole 511, and second driving shaft 42 is installed on the second through-hole 511.
Third transmission shaft 73 is additionally provided on swivel mount 70, third transmission shaft 73 is connect with boss 72, third transmission shaft 73
With the axle center of boss 72 not on the same axis, third transmission shaft 73 does the movement of circular trace with input shaft 10 for the center of circle.
It is additionally provided with slot on the bottom end of output shaft 50, third transmission shaft 73 is inserted in slot, and third transmission shaft 73 can be with
It is rotated in slot, the main function of slot is to make third transmission shaft 73 more stable, while is set in the bottom of swivel mount 70
The annular protrusion 75 put sets the annular groove 612 being adapted with annular protrusion 75 on pedestal 61, these structure settings cause whole
It is more firm during a retarder rotation.
As is seen in figs 7-10, it is multiple embodiment schematic diagrams of retarder, between the second drive 40 and the track of shell 60
Engagement be cycloidal pin gear set transmission, when 30 number of Gear Planet Transmission wheel be one when, third transmission shaft 73 is with input shaft 10
The movement of circular trace is done in the center of circle, and the first transmission shaft 71 is arranged on swivel mount 70,30 and second drive 40 of Gear Planet Transmission wheel
Internal tooth gear motion.
When 30 number of Gear Planet Transmission wheel be two, with 30 corresponding first transmission shaft, 71 number of Gear Planet Transmission wheel be two
A, third transmission shaft 73 does the movement of circular trace with input shaft 10 for the center of circle, two Gear Planet Transmission wheels be it is arranged symmetrically, two
First transmission shaft 71 is arranged on two dynamic points of above-mentioned circular trace, and two the first transmission shafts 71 are arranged on swivel mount 70
On, the angle formed between two the first transmission shafts 71 and the diameter of circular trace is equal, and two Gear Planet Transmission wheels 30 are at this
The harmony of the second drive 40 can be increased in embodiment, prevent the second drive 40 from occurring shake in high-speed motion existing
As.
When outside uses OTR Oscillating Tooth Gear Reducer systems, since the second drive 40 obtains effectively running limiting, therefore the retarder
Internal swivel mount 70 can be omitted, and engaging between the second drive 40 and the track of shell 60 is Oscillating Tooth Gear Reducer at this time, row
Unit star driving wheel 30 is without transmission axis connection, when 30 number of Gear Planet Transmission wheel is one, 30 and first drive of Gear Planet Transmission wheel
20 external toothings, while 30 and second drive of Gear Planet Transmission wheel, 40 internal messing, the cost of retarder entire in this way will reduce.
When 30 number of Gear Planet Transmission wheel is two, two Gear Planet Transmission wheels 30 are respectively arranged at 20 both sides of the first drive,
30 and first drive of Gear Planet Transmission wheel, 20 external toothing, 30 and second drive of Gear Planet Transmission wheel, 40 internal messing, this is also one
Embodiment, in addition, the number of Gear Planet Transmission wheel 30 not only two, can also be three or four, further include other implementation
Example, is not listed here.
The application is with the first plane and the second drive 40 where the engaging of Gear Planet Transmission wheel 30 and the first drive 20
On inside and outside two sides engagement where the technical solution that all considers as priority in the same plane of the second plane, if but first
Plane and the second plane not in same plane, set in the axial direction it is also feasible, also in the application protection domain.
The above embodiment is only the preferred embodiment of the utility model, it is impossible to be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (10)
1. a kind of composite speed reducer, which is characterized in that including input shaft, the first drive, Gear Planet Transmission wheel, the second drive,
Output shaft and the shell equipped with track, second drive are connected to the track of the shell, and first drive passes through
Power is transmitted to second drive by the Gear Planet Transmission wheel, and first drive is moved by the input shaft with outside
Force mechanisms connect, and second drive is by exporting axially outer passing power.
2. composite speed reducer according to claim 1, it is characterised in that：First drive, Gear Planet Transmission wheel and
Two drives are gear, and the track of the shell is shell internal tooth.
3. composite speed reducer according to claim 2, it is characterised in that：Further include the rotation being installed in the shell
Frame is provided with the first transmission shaft on the swivel mount, and first drive is installed on the input shaft, the Gear Planet Transmission
Wheel be installed on first transmission shaft and with the first drive external toothing, the Gear Planet Transmission wheel and second drive
Internal messing.
4. composite speed reducer according to claim 3, it is characterised in that：Boss is additionally provided on the swivel mount, it is described
First through hole is provided on second drive, the boss passes through the first through hole.
5. composite speed reducer according to claim 4, it is characterised in that：Ring flange is provided on the output shaft, it is described
The second through-hole is provided on ring flange, second driving shaft, the second driving shaft installation are additionally provided on second drive
In second through-hole.
6. composite speed reducer according to claim 5, it is characterised in that：It is additionally provided on the swivel mount and the boss
The third transmission shaft of connection, is additionally provided with slot on the output shaft, and the third transmission shaft is inserted in the slot, and described
Not on the same axis, the third transmission shaft does circular trace using the input shaft as the center of circle for three transmission shafts and the boss
Movement.
7. composite speed reducer according to claim 6, it is characterised in that：The Gear Planet Transmission wheel number is one, described
Third transmission shaft does the movement of circular trace using the input shaft as the center of circle, and first transmission shaft is arranged on the swivel mount
On.
8. composite speed reducer according to claim 6, it is characterised in that：The Gear Planet Transmission wheel number is two, described
The corresponding number of first transmission shaft is two, and the third transmission shaft does the fortune of circular trace using the input shaft as the center of circle
Dynamic, two the first transmission shafts are arranged on two dynamic points of the circular trace above and on the swivel mount, two first transmissions
The angle formed between axis and the diameter of the circular trace is equal.
9. composite speed reducer according to claim 1, it is characterised in that：The Gear Planet Transmission wheel number is one, described
Gear Planet Transmission wheel and the first drive external toothing, the Gear Planet Transmission wheel and the second drive internal messing.
10. composite speed reducer according to claim 1, it is characterised in that：The Gear Planet Transmission wheel number is two, two
Gear Planet Transmission wheel is respectively arranged at the first drive both sides, the Gear Planet Transmission wheel and the first drive external toothing,
The Gear Planet Transmission wheel and the second drive internal messing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276666.5U CN207485975U (en) | 2017-09-28 | 2017-09-28 | A kind of composite speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721276666.5U CN207485975U (en) | 2017-09-28 | 2017-09-28 | A kind of composite speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207485975U true CN207485975U (en) | 2018-06-12 |
Family
ID=62479369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721276666.5U Expired - Fee Related CN207485975U (en) | 2017-09-28 | 2017-09-28 | A kind of composite speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207485975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701667A (en) * | 2017-09-28 | 2018-02-16 | 深圳市奇齿龙科技有限公司 | A kind of composite speed reducer |
-
2017
- 2017-09-28 CN CN201721276666.5U patent/CN207485975U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701667A (en) * | 2017-09-28 | 2018-02-16 | 深圳市奇齿龙科技有限公司 | A kind of composite speed reducer |
| CN107701667B (en) * | 2017-09-28 | 2020-05-08 | 深圳市奇齿龙科技有限公司 | Composite speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180612 Termination date: 20200928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |