CN204239536U - The drive mechanism of hydrodynamic retarder - Google Patents
The drive mechanism of hydrodynamic retarder Download PDFInfo
- Publication number
- CN204239536U CN204239536U CN201420725437.7U CN201420725437U CN204239536U CN 204239536 U CN204239536 U CN 204239536U CN 201420725437 U CN201420725437 U CN 201420725437U CN 204239536 U CN204239536 U CN 204239536U
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- transmission shaft
- housing
- end cap
- impeller
- rotor
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Abstract
The utility model discloses a kind of drive mechanism of hydrodynamic retarder, it comprises a housing, one end cap and a transmission shaft, this housing is provided with a working oil chamber, this end cap and housing fix for being sealed by working oil chamber, the stator impeller fixed with housing and the impeller of rotor that can rotate relative to stator impeller is provided with in this working oil chamber, described transmission shaft is connected with impeller of rotor and is coaxially set, transmission shaft and impeller of rotor synchronous axial system, transmission shaft runs through end cap and one end of transmission shaft stretches out in outside end cap, the other end of transmission shaft is positioned at housing, the part stretching out in outside end cap of transmission shaft is nested with and is fixed with a helical gear, helical gear and transmission shaft synchronous axial system.The utility model structure is comparatively simple, make the sealing of housing better, transmission shaft is connected more for convenience with the output shaft of automobile gearbox.
Description
Technical field
The utility model relates to a kind of hydrodynamic retarder, specifically a kind of drive mechanism of hydrodynamic retarder.
Background technique
Hydrodynamic retarder is a kind of auxiliary brake device for automobile, be mainly used in motorbus, urban public traffic vehicles, heavy truck and military vehicle, hydrodynamic retarder comprises housing, housing have shoe cream room and working oil chamber, impeller of rotor and stator impeller is provided with in working oil chamber, the output shaft of impeller of rotor and automotive transmission case is fixed together, and in motion, impeller of rotor also can rotate automobile.During hydrodynamic retarder work, pressurized air enters shoe cream room, oil pressure in shoe cream room is entered the cavity between stator impeller for hydrodynamic retarder and impeller of rotor, when hydrodynamic retarder is started working, impeller of rotor drives fluid to rotate about the axis, simultaneously, fluid moves along the direction blade of impeller of rotor and gets rid of to stator impeller, the blade of stator impeller produces reaction force to fluid, fluid outflow stator impeller goes back to impact rotor impeller again, so just form the resisting moment to impeller of rotor, thus realize the decelerating effect to vehicle.
Current hydrodynamic retarder rotor impeller is connected with the output shaft of automobile gearbox by a transmission shaft, transmission shaft runs through housing and arranges, transmission shaft is coaxially set with the output shaft of automobile gearbox and is fixedly connected with, in the drive mechanism of this hydrodynamic retarder, arrange because transmission shaft runs through housing, make its structure comparatively complicated, and make the sealing of housing poor, simultaneously transmission shaft is connected with the output shaft of automobile gearbox and comparatively bothers.
Model utility content
Technical problem to be solved in the utility model is, provide a kind of structure comparatively simple, make the sealing of housing better, make transmission shaft be connected the drive mechanism of conveniently hydrodynamic retarder with the output shaft of automobile gearbox.
For solving the problems of the technologies described above, the drive mechanism of the hydrodynamic retarder that the utility model provides, it comprises a housing, one end cap and a transmission shaft, this housing is provided with a working oil chamber, this end cap and housing fix for being sealed by working oil chamber, the stator impeller fixed with housing and the impeller of rotor that can rotate relative to stator impeller is provided with in this working oil chamber, described transmission shaft is connected with impeller of rotor and is coaxially set, transmission shaft and impeller of rotor synchronous axial system, transmission shaft runs through end cap and one end of transmission shaft stretches out in outside end cap, the other end of transmission shaft is positioned at housing, the part stretching out in outside end cap of transmission shaft is nested with and is fixed with a helical gear, helical gear and transmission shaft synchronous axial system.
After adopting above structure, the utility model compared with prior art, has following advantage:
The utility model when mounted, the output shaft of automobile gearbox is fixedly installed a helical gear, helical gear on transmission shaft is meshed with the helical gear on the output shaft of automobile gearbox and arranges, the output shaft synchronous of transmission shaft and automobile gearbox is rotated, the output shaft synchronous of impeller of rotor and automobile gearbox is rotated, transmission shaft is so just made to be connected easily and synchronous axial system by helical gear with the output shaft of automobile gearbox, and transmission shaft does not run through housing, one end of transmission shaft is positioned at housing, make the utility model structure comparatively simple, and the sealing of housing is better.
As improvement, be provided with clutch shaft bearing in described housing, end cap be provided with the second bearing, transmission shaft is rotating to be arranged on clutch shaft bearing and the second bearing.Make in drive axis process, to be not easy wearing and tearing.
As improvement, dismountablely on the end face stretching out in the one end outside end cap of described transmission shaft be fixed with a cover plate, the diameter of cover plate is greater than the diameter of transmission shaft, and a helical gear end face and cover plate offset, and helical gear other end and end cap offset.Like this, make helical gear fixation by cover plate, and when cover plate is pulled down, can easily helical gear be taken off, make helical gear dismounting more for convenience.
Accompanying drawing explanation
Fig. 1 is sectional view of the present utility model.
Wherein, 1, housing; 101, working oil chamber; 102, stator impeller; 103, impeller of rotor; 104, clutch shaft bearing; 2, end cap; 201, the second bearing; 3, transmission shaft; 4, helical gear; 5, cover plate.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1, the drive mechanism of the utility model hydrodynamic retarder comprises a housing 1, one end cap 2 and a transmission shaft 3, this housing 1 is provided with a working oil chamber 101, the one end open of this working oil chamber 101, this end cap 2 fixes for being sealed by working oil chamber 101 with housing 1, that is this end cap 2 is fixed on the opening end of working oil chamber 101, the stator impeller 102 fixed with housing 1 and the impeller of rotor 103 that can rotate relative to stator impeller 102 is provided with in this working oil chamber 101, impeller of rotor 103 can rotate around himself axis, described transmission shaft 3 is connected with impeller of rotor 103 and is coaxially set, that is impeller of rotor 103 is fixedly nested with on transmission shaft 3, make transmission shaft 3 and impeller of rotor 103 synchronous axial system, transmission shaft 3 runs through end cap 2 and one end of transmission shaft 3 stretches out in outside end cap 2, the other end of transmission shaft 3 is positioned at housing 1, the part stretching out in outside end cap 2 of transmission shaft 3 is nested with and is fixed with a helical gear 4, helical gear 4 and transmission shaft 3 synchronous axial system, when installing this hydrodynamic retarder, the output shaft of automobile gearbox is fixedly nested with a helical gear, helical gear 4 on transmission shaft 3 is meshed with the helical gear on the output shaft of automobile gearbox and arranges, transmission shaft 3 is rotated with the output shaft synchronous of automobile gearbox.
Be provided with clutch shaft bearing 104 in described housing 1, end cap 2 be provided with the second bearing 201, transmission shaft 3 is rotating to be arranged on clutch shaft bearing 104 and the second bearing 201.
Dismountablely on the end face stretching out in the one end outside end cap 2 of described transmission shaft 3 be fixed with a cover plate 5, that is cover plate 5 is fixed on the end face stretching out in the one end outside end cap 2 of transmission shaft 3 by fixing bolt, the diameter of cover plate 5 is greater than the diameter of transmission shaft 3, one end face and the cover plate 5 of helical gear 4 offset, and other end and the end cap 2 of helical gear 4 offset.
Below only apply preferably example with regard to the utility model and made explanation, but can not be interpreted as it is limitations on claims, structure of the present utility model can have other to change, and is not limited to said structure.In a word, all various changes done in the protection domain of independent claims of the present utility model are all in protection domain of the present utility model.
Claims (3)
1. the drive mechanism of a hydrodynamic retarder, it comprises a housing (1), one end cap (2) and a transmission shaft (3), this housing (1) is provided with a working oil chamber (101), this end cap (2) and housing (1) fix for being sealed by working oil chamber (101), the stator impeller (102) fixed with housing (1) and the impeller of rotor (103) that can rotate relative to stator impeller (102) is provided with in this working oil chamber (101), it is characterized in that: described transmission shaft (3) is connected with impeller of rotor (103) and is coaxially set, transmission shaft (3) and impeller of rotor (103) synchronous axial system, transmission shaft (3) runs through end cap (2) and one end of transmission shaft (3) stretches out in end cap (2) outward, the other end of transmission shaft (3) is positioned at housing (1), the stretching out in end cap (2) part is outward nested with of transmission shaft (3) is fixed with a helical gear (4), helical gear (4) and transmission shaft (3) synchronous axial system.
2. the drive mechanism of hydrodynamic retarder according to claim 1, it is characterized in that: in described housing (1), be provided with clutch shaft bearing (104), end cap (2) is provided with the second bearing (201), transmission shaft (3) is rotating to be arranged on clutch shaft bearing (104) and the second bearing (201).
3. the drive mechanism of hydrodynamic retarder according to claim 2, it is characterized in that: dismountablely on the end face stretching out in end cap (2) one end outward of described transmission shaft (3) be fixed with a cover plate (5), the diameter of cover plate (5) is greater than the diameter of transmission shaft (3), one end face and the cover plate (5) of helical gear (4) offset, and other end and the end cap (2) of helical gear (4) offset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725437.7U CN204239536U (en) | 2014-11-28 | 2014-11-28 | The drive mechanism of hydrodynamic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420725437.7U CN204239536U (en) | 2014-11-28 | 2014-11-28 | The drive mechanism of hydrodynamic retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239536U true CN204239536U (en) | 2015-04-01 |
Family
ID=52769036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420725437.7U Active CN204239536U (en) | 2014-11-28 | 2014-11-28 | The drive mechanism of hydrodynamic retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370768A (en) * | 2015-12-10 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Series hydrodynamic retarder |
| CN111075868A (en) * | 2020-02-22 | 2020-04-28 | 富奥汽车零部件股份有限公司 | Rotor detachable hydraulic retarder |
-
2014
- 2014-11-28 CN CN201420725437.7U patent/CN204239536U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370768A (en) * | 2015-12-10 | 2016-03-02 | 陕西法士特齿轮有限责任公司 | Series hydrodynamic retarder |
| CN111075868A (en) * | 2020-02-22 | 2020-04-28 | 富奥汽车零部件股份有限公司 | Rotor detachable hydraulic retarder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |