CN106015471B - Speed reducer - Google Patents
Speed reducer Download PDFInfo
- Publication number
- CN106015471B CN106015471B CN201610620178.5A CN201610620178A CN106015471B CN 106015471 B CN106015471 B CN 106015471B CN 201610620178 A CN201610620178 A CN 201610620178A CN 106015471 B CN106015471 B CN 106015471B
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- China
- Prior art keywords
- sleeve
- gear
- output
- driven shaft
- sliding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/083—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with radially acting and axially controlled clutching members, e.g. sliding keys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/085—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with more than one output shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
A speed reducer comprises a first driven shaft, a second driven shaft, a first output shaft, a second output shaft, a composite driven gear and a differential set, wherein a sleeve is sleeved outside the first driven shaft, a connecting disc is arranged on the sleeve, a bearing is arranged between the sleeve and the first driven shaft, a sliding gear sleeve is sleeved on the sleeve, a first input gear and a first output gear are fixed on the first driven shaft, a second input gear and a second output gear are fixed on the second driven shaft, the sliding gear sleeve can be respectively meshed with the second input gear and the first input gear, a first meshing surface and a second meshing surface are arranged on the composite driven gear, the composite driven gear is fixed on a shell of the differential set, the first output shaft and the second output shaft are respectively fixed on the output gear of the differential set, the first meshing surface is meshed with the first output gear, and the second meshing surface is meshed with the second output gear. The speed reducer can be used for large-torque output, and is simple in structure and convenient to process.
Description
Technical Field
The invention relates to a gear transmission mechanism, in particular to a speed reducer.
Background
The application range of the gear reducer is very wide, but the existing double-speed-ratio or multi-speed-ratio reducer is often large, heavy and high in cost, so that the gear reducer is difficult to be widely applied. The invention patent with patent number 201420663434.5 of the applicant provides a speed reducer which is simple in structure and convenient to operate, but because the input shaft and the first driven shaft are coaxially and independently arranged, when the speed reducer transmits large torque, the input shaft and the first driven shaft can swing, so that power transmission is unstable, and the speed reducer can only be used for outputting small torque; in addition, the two side scatter gauges have different torque and speed ratios, so that the use is inconvenient, the gear structure is complex, and the machining process is complex.
Disclosure of Invention
The invention aims to provide a speed reducer which can be used for large-torque output, and has simple structure and convenient processing.
In order to achieve the purpose, the technical solution of the invention is as follows: a speed reducer comprises a first driven shaft, a second driven shaft, a first output shaft, a second output shaft, a composite driven gear, a differential group and a shell, wherein the first driven shaft and the second driven shaft are parallel to each other, a sleeve is sleeved outside the first driven shaft, a connecting disc is arranged on the sleeve and used for connecting a power system, bearings are arranged among the sleeve, the first driven shaft and the shell, a sliding gear sleeve is sleeved on the sleeve, the sliding gear sleeve and the sleeve are fixed to each other in the radial direction and can move relatively in the axial direction, a first input gear is fixed to the part, located outside the sleeve, of the first driven shaft, the first input gear can be fixed to the sliding gear sleeve in the radial direction and can move relatively in the axial direction, a first output gear is fixed to the end part, located outside the sleeve, of the first driven shaft, a second input gear and a second output gear are fixed to the second driven shaft, when the sliding gear sleeve is sleeved on the sleeve, the sliding gear sleeve is meshed with the second input gear, when the sliding gear sleeve is sleeved on the sleeve and the first input gear, the sliding gear sleeve drives the first input gear to rotate, a first meshing surface and a second meshing surface are arranged on the composite driven gear, the composite driven gear is fixed on a shell of the differential set, the first output shaft and the second output shaft are respectively fixed on two output gears of the differential set, the first meshing surface is meshed with the first output gear, and the second meshing surface is meshed with the second output gear.
According to the speed reducer, the outer wall of the sliding gear sleeve is provided with a circumferential annular groove, and a shifting fork is arranged in the circumferential annular groove.
According to the speed reducer, a plurality of external teeth are uniformly distributed on the outer wall of the sleeve in the circumferential direction, the external teeth extend along the axial direction of the sleeve, a plurality of internal teeth are uniformly distributed on the inner wall of the sliding gear sleeve in the circumferential direction, the internal teeth extend along the axial direction of the sliding gear sleeve, and the external teeth and the internal teeth are meshed with each other.
According to the speed reducer, a plurality of external teeth are uniformly distributed on the outer wall of the first input gear in the circumferential direction, and the external teeth on the first input gear are meshed with the internal teeth on the sliding gear sleeve.
In the reducer of the present invention, the first and second output gears are both bevel gears.
After the scheme is adopted, compared with the prior art, the first driven shaft of the speed reducer is sleeved with the sleeve, the sliding gear is sleeved on the sleeve, and the bearing is arranged between the first driven shaft and the sleeve.
Drawings
FIG. 1 is an assembly view of a first use condition of the reducer of the present invention;
FIG. 2 is an assembly view of the reducer of the present invention in a second use condition;
fig. 3 is an assembly view showing a third use state of the decelerator according to the present invention.
Detailed Description
As shown in fig. 1 and 2, the reducer of the present invention comprises a first driven shaft 11, a second driven shaft 12, a first output shaft 13, a second output shaft 14, a composite driven gear 15 and a differential set 23, wherein the first and second driven shafts 11, 12 are parallel to each other, a sleeve 16 is sleeved outside the first driven shaft 11, one end of the first driven shaft 11 extends out of the sleeve 16, a connecting disc 161 is arranged at the upper end of the sleeve 16, a plurality of bolt holes are arranged on the connecting disc 161, the connecting disc 161 is connected with a power system through a plurality of bolts, two bearings 21, 22 are arranged between the sleeve 16 and the first driven shaft 11, a bearing is also arranged between the sleeve 16 and a housing, a sliding gear sleeve 17 is sleeved on the sleeve 16, the sliding gear sleeve 17 and the sleeve 16 are radially fixed to each other and axially movable relative to each other, a first input gear 111 is keyed on a portion of the first driven shaft 11 located outside the sleeve 16, when the sliding gear sleeve 17 slides onto the, the first input gear 111 and the sliding gear sleeve 17 can be fixed radially and relatively move axially, the end of the first driven shaft 11 located at the outer part of the sleeve 16 is fixed with a first output gear 112, the second driven shaft 12 is fixed with a second input gear 121 and a second output gear 122 in a key connection, when the sliding gear sleeve 17 is sleeved on the sleeve 16, the sliding gear sleeve 17 and the second input gear 121 are engaged to transmit power, when the sliding gear sleeve 17 is sleeved on the sleeve 16 and the first input gear 111 simultaneously, the sliding gear sleeve 17 drives the first input gear 111 to rotate, the composite driven gear 15 is provided with a first engaging surface 151 and a second engaging surface 152, the composite driven gear 15 is fixed on the housing of the differential set 23, the first and second output shafts 13 and 14 are respectively fixed on the two output gears of the differential set 23, and the first engaging surface 151 is engaged with the first output gear 112, the second engaging surface 152 is engaged with the second output gear 122, and the first and second output gears 112 and 122 are both bevel gears.
In order to facilitate the sliding of the sliding gear sleeve 17 up and down, a circumferential annular groove 171 is formed in the outer wall of the sliding gear sleeve 17, a shifting fork 172 is arranged in the circumferential annular groove 171, and the sliding gear sleeve 17 is shifted by the shifting fork 172 to slide up and down.
A plurality of external teeth are uniformly distributed on the outer wall of the sleeve 16 in the circumferential direction, each external tooth extends along the axial direction of the sleeve 16, a plurality of internal teeth are uniformly distributed on the inner wall of the sliding gear sleeve 17 in the circumferential direction, each internal tooth extends along the axial direction of the sliding gear sleeve 17, and the sliding gear sleeve 17 can move along the axial direction of the sleeve 16 through the mutual meshing of the external teeth and the internal teeth; a plurality of external teeth are uniformly distributed on the outer wall of the first input gear 111 in the circumferential direction, the external teeth on the first input gear 111 can be engaged with the internal teeth on the sliding gear sleeve 17, and the sliding gear sleeve 17 can move in the axial direction of the first input gear 111 by the engagement of the internal teeth and the external teeth.
When the speed reducer of the invention works, as shown in fig. 1, the power system drives the sliding gear sleeve 17 to rotate through the connecting disc 161, the sliding gear sleeve 17 drives the second driven shaft 12 to rotate through the second input gear 121, so that the second output gear 122 is meshed with the second meshing surface 152 of the composite driven gear 15, and power is output from the first output shaft 13 and the second output shaft 14 according to the first speed ratio and the first torque; the sliding gear sleeve 17 is shifted by the shifting fork 172, so that the sliding gear sleeve 17 moves downwards, as shown in fig. 2, the sliding gear sleeve 17 and the second input gear 121 are completely separated, when the second driven shaft 12 is separated, the sliding gear sleeve 17 is shifted by the shifting fork 172 to continue moving downwards, so that the sliding gear sleeve 17 is simultaneously sleeved on the sleeve 16 and the first input gear 111, as shown in fig. 3, the sliding gear sleeve 17 drives the first input gear 111 to rotate, so that the first driven shaft 11 rotates, the first output gear 112 is meshed with the first meshing surface 151 of the composite driven gear 15, and power is output from the first output shaft 13 and the second output shaft 14 according to a second speed ratio and a second torque.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.
Claims (3)
1. The utility model provides a speed reducer, includes first driven shaft (11), second driven shaft (12), first output shaft (13), second output shaft (14), compound driven gear (15), differential group (23) and casing, first, second driven shaft is parallel to each other, its characterized in that: a sleeve (16) is sleeved outside the first driven shaft (11), a connecting disc (161) is arranged on the sleeve (16), the connecting disc (161) is used for connecting a power system, bearings (21, 22) are arranged between the sleeve (16) and the first driven shaft (11), a bearing is arranged between the sleeve (16) and the shell, a sliding gear sleeve (17) is sleeved on the sleeve (16), the sliding gear sleeve (17) and the sleeve (16) are fixed to each other in a radial direction and can move relatively in an axial direction, a first input gear (111) is fixed to a part, located outside the sleeve (16), of the first driven shaft (11), the first input gear (111) can be fixed to the sliding gear sleeve (17) in a radial direction and can move relatively in an axial direction, a first output gear (112) is fixed to an end, located outside the sleeve (16), of the first driven shaft (11), a second input gear (121) and a second output gear (122) are fixed on the second driven shaft (12), when the sliding gear sleeve (17) is sleeved on the sleeve (16), the sliding gear sleeve (17) is meshed with the second input gear (121), when the sliding gear sleeve (17) is sleeved on the sleeve (16) and the first input gear (111), the sliding gear sleeve (17) drives the first input gear (111) to rotate, a first meshing surface (151) and a second meshing surface (152) are arranged on the composite driven gear (15), the composite driven gear (15) is fixed on a shell of the differential set (23), the first output shaft and the second output shaft are respectively fixed on two output gears of the differential set (23), and the first meshing surface (151) is meshed with the first output gear (112), the second meshing surface (152) meshes with the second output gear (122); a plurality of external teeth are uniformly distributed on the outer wall of the sleeve (16) in the circumferential direction, each external tooth extends along the axial direction of the sleeve (16), a plurality of internal teeth are uniformly distributed on the inner wall of the sliding gear sleeve (17) in the circumferential direction, each internal tooth extends along the axial direction of the sliding gear sleeve (17), and the external teeth and the internal teeth are meshed with each other; a plurality of external teeth are uniformly distributed on the outer wall of the first input gear (111) in the circumferential direction, and the external teeth on the first input gear (111) are used for being meshed with the internal teeth on the sliding gear sleeve (17).
2. A decelerator according to claim 1, wherein: the outer wall of the sliding gear sleeve (17) is provided with a circumferential annular groove (171), and a shifting fork (172) is arranged in the circumferential annular groove (171).
3. A decelerator according to claim 2, wherein: the first output gear and the second output gear are both bevel gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610620178.5A CN106015471B (en) | 2016-07-29 | 2016-07-29 | Speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610620178.5A CN106015471B (en) | 2016-07-29 | 2016-07-29 | Speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015471A CN106015471A (en) | 2016-10-12 |
| CN106015471B true CN106015471B (en) | 2020-09-08 |
Family
ID=57134915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620178.5A Active CN106015471B (en) | 2016-07-29 | 2016-07-29 | Speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015471B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2785350A1 (en) * | 1998-11-03 | 2000-05-05 | Daimler Chrysler Ag | MULTI-WAY, MULTI-SPEED GEARBOX |
| CN103322134A (en) * | 2013-06-04 | 2013-09-25 | 许正元 | Double-speed-ratio drive axle |
| CN204312632U (en) * | 2014-11-07 | 2015-05-06 | 李春继 | The two moment of torsion retarder of Dual-speed-ratio |
| CN104976329A (en) * | 2015-07-07 | 2015-10-14 | 安徽纽恩卡自控科技有限公司 | Single motor hybrid power automatic transmission |
| CN205896053U (en) * | 2016-07-29 | 2017-01-18 | 李春继 | Transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013102161A1 (en) * | 2013-03-05 | 2014-09-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Manual transmission for use with an electric machine |
-
2016
- 2016-07-29 CN CN201610620178.5A patent/CN106015471B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2785350A1 (en) * | 1998-11-03 | 2000-05-05 | Daimler Chrysler Ag | MULTI-WAY, MULTI-SPEED GEARBOX |
| CN103322134A (en) * | 2013-06-04 | 2013-09-25 | 许正元 | Double-speed-ratio drive axle |
| CN204312632U (en) * | 2014-11-07 | 2015-05-06 | 李春继 | The two moment of torsion retarder of Dual-speed-ratio |
| CN104976329A (en) * | 2015-07-07 | 2015-10-14 | 安徽纽恩卡自控科技有限公司 | Single motor hybrid power automatic transmission |
| CN205896053U (en) * | 2016-07-29 | 2017-01-18 | 李春继 | Transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015471A (en) | 2016-10-12 |
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