CN208703039U - Multi input little tooth difference speed reducer - Google Patents
Multi input little tooth difference speed reducer Download PDFInfo
- Publication number
- CN208703039U CN208703039U CN201821354942.XU CN201821354942U CN208703039U CN 208703039 U CN208703039 U CN 208703039U CN 201821354942 U CN201821354942 U CN 201821354942U CN 208703039 U CN208703039 U CN 208703039U
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- China
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- gear
- input
- external gear
- input shaft
- translation
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Abstract
The utility model discloses a kind of multi input little tooth difference speed reducers, including casing (27), intermediate input axis (18) are equipped with by bearing assembly among the casing input terminal, pass through bearing assembly respectively positioned at intermediate input axis two sides and left side input shaft (17) and right side input shaft (19) are installed, intermediate distributary gear (9) are installed on the intermediate input axis, the left side input shaft and right side input shaft install left side respectively and shunt gear (10) and right side shunting gear (11), the intermediate distributary gear shunts gear with left side respectively and right side shunts gear and engages.Pass through two sides input shaft, two groups of translation external gears and the ring gear engaged simultaneously with two groups of translation external gears in multi input gear with small teeth difference reducer structure, the input speed of two sides input shaft is consistent, two groups of translation external gears engaged simultaneously with ring gear have 180 ° of phase difference, to increase the consistent requirement of input speed that a set of cylindrical external gear engaging mechanism reaches two input shafts convenient for carrying out preferable experimental study to it.
Description
Technical field
The utility model relates to retarder fields, specially little tooth difference speed reducer, put down specifically in a kind of multi input two-phase
Dynamic gear with small teeth difference retarder.
Background technique
The uniaxial output of multiaxis input may be implemented by Integrated power retarder in modularization cascade electric system, thus
It can be optimized by corresponding power demand, different capacity can also be met by increasing the number of module motor
Demand.Gear with small teeth difference retarder can convert an output for multiple inputs, be a kind of ideal Integrated power retarder
Solution.
Currently, the structure type research of outer translation is more, i.e. internal tooth in the research of translation Reducer With Involute Gear of Less-tooth Difference
Wheel does translation input, external gear output, and the internal gear of this structure is often fixed on ring flat-plate body, leads to the self weight and transverse direction of structure
Size is larger.Be translatable in structure inside and translational motion done due to external gear, can directly on external gear bore hole to be installed
On input shaft, self weight and the lateral dimension of retarder are reduced.The gear that translational motion is done in little tooth difference speed reducer is mainly
It is driven by crank mechanism, it can have single or multiple axis while inputting, achieve the purpose that multi input.But it requires each input
The input speed of axis is consistent, that is, needs accurately to control the driving motor of each axis, this brings certain be stranded to test
It is difficult.
Summary of the invention
In order to carry out experimental study to multi input little tooth difference speed reducer, the utility model is intended to few to designed multi input
Tooth difference speed reducer structure is modified, and provides a kind of multi input gear with small teeth difference retarder for facilitating and being tested.
The utility model adopts the following technical scheme that realization:
A kind of multi input little tooth difference speed reducer, including casing, the casing input terminal centre are equipped with by bearing assembly
Intermediate input axis passes through bearing assembly respectively positioned at intermediate input axis two sides and is equipped with left side input shaft and right side input shaft, institute
Installation intermediate distributary gear on intermediate input axis is stated, the left side input shaft and right side input shaft install left side respectively and shunt gear
Gear is shunted with right side, the intermediate distributary gear shunts gear with left side respectively and right side shunts gear and engages.
Left side input shaft rear portion installation left side eccentric bushing, two with 180 ° of phase differences of the left side eccentric bushing
Translation external gear I and translation external gear II, similarly, right side input shaft rear portion are installed by bearing assembly respectively on eccentric position
Installation right side eccentric bushing, two with 180 ° of phase differences of the right side eccentric bushing are pacified by bearing assembly respectively on eccentric position
Dress translation external gear I and translation external gear II；The translation external gear I and translation external gear I engage, the translation external gear II
It is engaged with translation external gear II；Outside the translation external gear I and translation external gear I, translation external gear II and translation external gear II
Ring gear is installed, the ring gear output end is equipped with output shaft, and it is defeated that the output shaft by bearing assembly is installed on casing
In outlet.
When work, power is transferred to left side by intermediate distributary gear synchronous and shunts gear and right side shunting tooth by input shaft
Wheel, then left side input shaft and right side input shaft rotate synchronously, and pass through eccentric bushing between the input shaft and translation external gear of two sides
It is connected with bearing, due to being meshed simultaneously with ring gear using two two groups of translation external gears with 180 ° of phase differences, two groups
Translation external gear engages and eventually by output shaft output power simultaneously with ring gear.The design scheme of this experimental prototype is preferable
The situation that twin shaft is inputted simultaneously with same rotational speed is simulated, and there is biggish transmission when preferable dynamic characteristic, so that
The utility model has the advantages that small in size, high transmission accuracy.In addition, the translation external gear number of teeth is 99, the ring gear number of teeth is
100, the teeth number difference of the two is only 1, this is increasing its transmission ratio to greatest extent, and the small eccentricity for the external gear that is translatable, more
Conducive to the stability of its transmission, there are 180 ° of eccentric eccentric bushings to be designed as integral type, so that this retarder is easily installed and tears open
It unloads.
The utility model is designed reasonably passes through two sides input shaft, two groups in multi input gear with small teeth difference reducer structure
Translation external gear and the ring gear engaged simultaneously with two groups of translation external gears, the input speed of two sides input shaft is consistent, and two groups same
When the translation external gear that is engaged with ring gear there is 180 ° of phase difference, for convenient for carrying out preferable experimental study to it, at this
The novel middle consistent requirement of input speed for increasing a set of cylindrical external gear engaging mechanism and reaching two input shafts.
Detailed description of the invention
Fig. 1 shows the structural schematic diagrams of the utility model.
In figure: leading to lid, 2- key, 3- output shaft, 4- oil sealing, 5- circlip for shaft, 6- deep groove ball bearing, 7- spacing after 1-
Ring, 8- ring gear, 9- intermediate distributary gear, the left side 10- shunt gear, and gear, the rolling of 12- single row full-filling cylinder are shunted on the right side of 11-
Sub- bearing, the left side 13- eccentric bushing, 14- tapered roller bearing, 15- spacer, the right side 16- eccentric bushing, the left side 17- input shaft, 18-
Intermediate input axis, input shaft on the right side of 19- lead to lid before 20-, 21- round nut, 22- round nut stop washer, and 23- is translatable external gear
I, 24- translation external gear II, 25- translation external gear I, 26- translation external gear II, 27- casing.
Specific embodiment
The technical solution in the utility model is described in detail with reference to the accompanying drawing.
As shown in Figure 1, multi input gear with small teeth difference retarder described in the utility model, including casing 27, casing 27 are defeated
Enter and intermediate input axis 18 is equipped with by bearing assembly among end, is pacified respectively by bearing assembly positioned at 18 two sides of intermediate input axis
Equipped with left side input shaft 17 and right side input shaft 19, the bearing support of intermediate input axis and two sides input shaft selects taper roller
The shaft end of bearing, intermediate input axis and two sides input shaft is all made of circlip for shaft 5, spacer 15 and distance collar 7 and carries out axial direction
Positioning.It is connected by key mode on intermediate input axis 18, intermediate distributary gear 9, left side input shaft 17 and right side input shaft 19 are installed
Be connected by key mode respectively and left side is installed shunts gear 10 and right side and shunt gear 11, intermediate distributary gear 9 respectively with left side
It shunts gear 10 and right side shunts gear 11 and engages, i.e., pass through three identical shuntings between intermediate input axis and two sides input shaft
Pinion gear is transmitted.
As shown in Figure 1, input shaft 17 rear portion in left side, which is connected by key mode, installs left side eccentric bushing 13, left side eccentric bushing 13
Two with 180 ° of phase differences eccentric positions on pass through bearing assembly installation translation external gear I 23 and the external gear II that is translatable respectively
24, similarly, input shaft 19 rear portion in right side is connected by key mode and installs right side eccentric bushing 16, and right side eccentric bushing 16 has 180 °
Two of phase difference install translation external gear I 25 and translation external gear II 26 by bearing assembly respectively on eccentric position；Eccentric bushing
It is fixed between input shaft by the shaft shoulder and circlip for shaft, eccentric bushing and single row full-filling cylinder roller bearing inner ring are fixed,
Translation external gear is fixed with single row full-filling cylinder roller bearing outer ring.The external gear I 23 that is translatable and translation external gear I 25 engage, and put down
Dynamic external gear II 24 and translation external gear II 26 engage；The external gear I 23 that is translatable and translation external gear I 25, translation external gear II 24
Ring gear 8 is installed with outside translation external gear II 26,8 output end of ring gear is connected by key mode and is equipped with output shaft 3, and two groups
Translation external gear engages and eventually by output shaft output power simultaneously with ring gear.Output shaft 3 is installed on by bearing assembly
In 27 output end of casing, i.e., output shaft 3 carries out axially position using circlip for shaft 5, spacer 15 and distance collar 7.Casing 27
Logical lid 20 before output end installation, leads to lid 1 after the installation of 27 output end of casing.
The design scheme of this experimental prototype preferably simulates the situation that twin shaft is inputted simultaneously with same rotational speed, and has
It is biggish to be driven when preferable dynamic characteristic.
The fixed drive ratio as possessed by gear drive is so preferably simulate two sides by increasing shunting pinion gear
The case where input shaft is inputted simultaneously with same rotational speed, since the teeth number difference of translation external gear and ring gear is only 1, further,
The number of teeth of three shuntings pinion gear is 20, and it is defeated simultaneously with same rotational speed preferably to simulate two sides input shaft for design in this way
The case where entering.
Further, the number of teeth of external gear of being translatable is 99, and the number of teeth of ring gear is 100, and the teeth number difference of the two is only 1, this
So that this retarder possesses great transmission ratio and lesser eccentricity, two translation external gears with 180 ° of phase difference simultaneously
The mass inertia when form engaged with ring gear preferably balances eccentric motion influences.
Further, the eccentric bushing being connected with two sides input shaft is both designed as integral type, and this mode can be convenient installation
And disassembly, in order to repair and replace.
Further, eccentric bushing and translation external gear between Selection of Bearings single row full-filling cylinder roller bearing, this
The bearing capacity for improving bearing herein as big as possible under limited size limited case.
The utility model multi input little tooth difference speed reducer experimental prototype is big with transmission ratio, small in size and bearing capacity is high
Advantage.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, and those skilled in the art should
Understand, it can be with the technical solution of the present invention is modified or equivalently replaced, without departing from the utility model technical side
The objective and range of case, should all cover in the scope of the claims of the utility model.
Claims (3)
1. a kind of multi input little tooth difference speed reducer, it is characterised in that: logical among casing (27) input terminal including casing (27)
Bearing assembly is crossed intermediate input axis (18) is installed, is located at intermediate input axis (18) two sides and passes through bearing assembly respectively a left side is installed
Side input shaft (17) and right side input shaft (19) install intermediate distributary gear (9) on the intermediate input axis (18), the left side
Input shaft (17) and right side input shaft (19) install left side respectively and shunt gear (10) and right side shunting gear (11), the centre
Gear (9) are shunted to engage with left side shunting gear (10) and right side shunting gear (11) respectively；
Left side input shaft (17) the rear portion installation left side eccentric bushing (13), the left side eccentric bushing (13) have 180 ° of phases
Two of difference install translation external gear I (23) and translation external gear II (24), similarly, institute by bearing assembly respectively on eccentric position
State right side input shaft (19) rear portion installation right side eccentric bushing (16), two with 180 ° of phase differences of the right side eccentric bushing (16)
Translation external gear I (25) and translation external gear II (26) are installed by bearing assembly respectively on a bias position；The translation external tooth
Take turns I (23) and translation external gear I (25) engagement, the translation external gear II (24) and translation external gear II (26) engagement；It is described
In being equipped with outside translation external gear I (23) and translation external gear I (25), translation external gear II (24) and translation external gear II (26)
Gear ring (8), ring gear (8) output end are equipped with output shaft (3), and the output shaft (3) is installed on machine by bearing assembly
In shell (27) output end.
2. multi input little tooth difference speed reducer according to claim 1, it is characterised in that: casing (27) the output end installation
Preceding logical lid (20) leads to lid (1) after casing (27) the output end installation.
3. multi input little tooth difference speed reducer according to claim 1 or 2, it is characterised in that: the translation external gear I
(23), it is translatable external gear II (24), is translatable external gear I (25), the number of teeth of translation external gear II (26) is 99, the ring gear
(8) the number of teeth is 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354942.XU CN208703039U (en) | 2018-08-22 | 2018-08-22 | Multi input little tooth difference speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821354942.XU CN208703039U (en) | 2018-08-22 | 2018-08-22 | Multi input little tooth difference speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208703039U true CN208703039U (en) | 2019-04-05 |
Family
ID=65943132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821354942.XU Expired - Fee Related CN208703039U (en) | 2018-08-22 | 2018-08-22 | Multi input little tooth difference speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208703039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833145A (en) * | 2021-03-22 | 2021-05-25 | 陈明 | Speed reducer |
-
2018
- 2018-08-22 CN CN201821354942.XU patent/CN208703039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833145A (en) * | 2021-03-22 | 2021-05-25 | 陈明 | Speed reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20210822 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |