CN215673541U - Intermediate support assembly of automobile transmission - Google Patents
Intermediate support assembly of automobile transmission Download PDFInfo
- Publication number
- CN215673541U CN215673541U CN202122270662.9U CN202122270662U CN215673541U CN 215673541 U CN215673541 U CN 215673541U CN 202122270662 U CN202122270662 U CN 202122270662U CN 215673541 U CN215673541 U CN 215673541U
- Authority
- CN
- China
- Prior art keywords
- brake
- intermediate support
- inner hub
- transmission
- support assembly
- Prior art date
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 71
- 238000001816 cooling Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 33
- 230000007246 mechanism Effects 0.000 description 9
- 230000009977 dual effect Effects 0.000 description 8
- 238000005461 lubrication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model provides an intermediate support assembly of an automobile transmission, and belongs to the technical field of automobile transmissions. The transmission solves the problem that the transmission of the traditional fuel vehicle in the prior art cannot be applied to a hybrid vehicle. The middle support assembly of the automobile transmission comprises a middle support piece arranged in a transmission shell, wherein the inner side wall of the middle support piece is in transmission connection with an inner hub of a brake through a sliding bearing, the outer side wall of the middle support piece is in transmission connection with a middle output gear through a support bearing, and a brake main body part capable of locking the inner hub of the brake is arranged between the inner hub of the brake and the middle support piece. The middle support assembly of the automobile transmission has the advantages that the structure of the middle support assembly of the automobile transmission is simpler and more compact, and the use requirement of a hybrid vehicle is met.
Description
Technical Field
The utility model belongs to the technical field of automobile transmissions, and relates to an intermediate support assembly of an automobile transmission.
Background
The transmission is one of the core components of the traditional fuel vehicle, has two basic functions, and is matched with the clutch to ensure the normal starting of the vehicle and prevent flameout caused by overlarge starting load; secondly, in the process that a vehicle owner continuously changes the vehicle speed, the engine is stably positioned at the working rotating speed through gear shifting (gear ratio), the engine has a vital influence on the driving experience of the vehicle, but with the appearance and the continuous popularization of new energy vehicles, the change and the progress of the vehicle technology are brought, the new energy vehicles are generally pure electric vehicles and hybrid electric vehicles, but at present, the speed of the pure electric vehicles is restricted, so that the hybrid electric vehicles are popularized at present, the functions of an electric motor and a traditional transmission need to be integrated, but the volume and the weight of the transmission of the traditional fuel oil vehicle are too large for the electric vehicle, because a battery pack occupies most space of the whole chassis of the electric vehicle, the transmission of the traditional fuel oil vehicle cannot be directly applied to the electric vehicle after the electric motor is additionally arranged, meanwhile, if the transmission of the traditional fuel vehicle is modified and designed into a special transmission capable of being used by a hybrid vehicle, the required cost is higher, so that the parts of the middle support assembly of the existing transmission are urgently required to be redesigned and arranged, the structure of the transmission is more compact, the size is smaller, and the use requirement of the hybrid vehicle can be met.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides an intermediate support assembly of an automobile transmission.
The purpose of the utility model can be realized by the following technical scheme:
the intermediate support assembly of the automobile transmission comprises an intermediate support member arranged in a transmission shell, and is characterized in that the inner side wall of the intermediate support member is in transmission connection with an inner hub of a brake through a sliding bearing, the outer side wall of the intermediate support member is in transmission connection with an intermediate output gear through a support bearing, and a brake main body part capable of locking the inner hub of the brake is arranged between the inner hub of the brake and the intermediate support member.
The middle supporting piece, the inner hub of the brake, the middle output gear and the brake main body part are arranged in parallel, the axial length of the middle supporting assembly is shortened, the carrying performance is better, the inner hub of the brake can be connected with the planetary mechanism through a spline, the brake main body part capable of locking the inner hub of the brake is arranged in a limited space between the inner hub of the brake and the middle supporting piece, when the piston is pushed by transmission oil to move to press the brake main body part, the brake main body part is enabled to lock the inner hub of the brake, the planetary mechanism connected with the inner hub of the brake is also locked, the middle output gear is arranged on the middle supporting piece to provide support for the whole shaft system, and the structure of the middle supporting assembly is enabled to be simpler and more compact and simultaneously meets the use requirements of a hybrid vehicle.
In the intermediate support assembly of the automobile transmission, the brake main body part comprises a gasket, a regulating gasket, and a pair of steel sheets and friction sheets alternately arranged between the gasket and the regulating gasket at intervals, and the outer side wall of the inner hub of the brake is provided with spline grooves capable of locking with the friction sheets.
The inner hub of the brake can be connected with the planetary mechanism through a spline, when the piston is pushed by the transmission oil to move to press the dual steel sheets and the friction sheets, the friction sheets lock the inner hub of the brake, so that the main body part of the brake locks the inner hub of the brake, and the planetary mechanism connected with the inner hub of the brake is also locked. The structure of the brake is simpler, the structure of the middle support assembly is simpler and more compact, the use requirement of the hybrid vehicle is met, in addition, parts such as dual steel sheets, friction plates and the like are universal parts, the reliability is high, and the use cost can be reduced.
In the middle support assembly of the automobile transmission, the support bearing is fixedly connected with the middle support piece through a lock nut gasket and a lock nut sleeve.
In the intermediate support assembly of the automotive transmission, the intermediate output gear is fixed with the intermediate support through a snap ring.
In the above intermediate support assembly of the automotive transmission, a positioning guide portion for arranging an actuating lever subassembly of the parking system is provided on the intermediate support.
The positioning guide part is used for setting an actuating rod sub-assembly of the parking system, the actuating rod sub-assembly is pushed by the parking actuating mechanism and used for realizing switching between parking and non-parking states, so that the structure of the whole transmission is simpler and more compact, the axial space is shorter, and the use requirements of a hybrid vehicle are met.
In the middle support assembly of the automobile transmission, the middle support piece is provided with a plurality of cooling oil holes, the cooling oil holes are located on the side of the main body part of the brake, the inner hub of the brake is provided with a plurality of first oil passing holes and second oil passing holes, and the first oil passing holes and the second oil passing holes can be communicated with the outer side and the inner cavity of the inner hub of the brake.
The first oil passing hole and the second oil passing hole can be communicated with the outer side and the inner cavity of the inner hub of the brake, namely, transmission oil enters through a cooling oil hole in an intermediate support piece and then passes through the oil passing hole in the inner hub of the brake to cool the dual steel sheets and the friction sheets of the main part of the brake, when the transmission is shifted, heat generated in the sliding friction process of the shifting process is taken away quickly through the transmission oil, the transmission oil can also be lubricated through two pairs of supporting bearings through the oil passing hole according to the flow distributed by the throttling hole of the input shaft, the reliability of the bearings is ensured, the intermediate supporting assembly of the automobile transmission does not need to develop a cooling and lubricating oil circuit independently, the structure is simpler, the design is more compact, and the use requirements of a hybrid vehicle are met.
In the above intermediate support assembly for an automotive transmission, the intermediate support member and the inner hub of the brake each have a stepped portion, and the intermediate support member and the inner hub of the brake are sleeved with each other and then connected at their upper portions by a sliding bearing, and a mounting cavity capable of accommodating the brake main body portion is formed between their lower portions.
The intermediate support and the inner hub of the brake each have a stepped portion such that the intermediate support and the inner hub of the brake each have a small-top-large configuration, the middle supporting piece and the inner hub of the brake are sleeved with each other and then the upper parts of the middle supporting piece and the inner hub of the brake are connected through a sliding bearing, namely the inner side wall of the middle supporting piece is in transmission connection with the inner hub of the brake through a sliding bearing, in addition, a mounting cavity capable of accommodating a brake main body part is formed between the middle support piece and the lower part of the inner hub of the brake, the outer side wall of the middle supporting piece is in transmission connection with the middle output gear through the supporting bearing, so that the radial length of the middle supporting assembly cannot be increased after the middle supporting piece, the inner hub of the brake, the middle output gear and the brake main body part are arranged in a horizontal mode, and the structure of the middle supporting assembly is simpler and more compact.
In the above intermediate support assembly for an automotive transmission, a lower end of the support bearing abuts against a step surface of the step portion of the intermediate support. The step of the intermediate support also serves to limit the support bearing.
In the intermediate support assembly of the automotive transmission, the first oil passing holes are circumferentially distributed below the stepped portion of the inner hub of the brake, and the second oil passing holes are located above the stepped portion of the inner hub of the brake.
In foretell automotive transmission's intermediate strut assembly, it is rectangular shape hole to cross oilhole one, it is the circular port to cross oilhole two.
Compared with the prior art, this automotive transmission's intermediate strut assembly's advantage lies in: this automobile transmission's intermediate strut assembly has integrated the stopper through spare parts such as middle support piece, the inner hub of stopper, middle output gear, the stopper main part (including dual steel sheet and friction disc), parking system (the location guide part on the middle support piece is used for setting up parking system's actuating lever sub-assembly) and transmission system's cooling and lubrication, need not to develop the cooling and lubrication oil circuit alone, and the structure is simpler, and the design is compacter, satisfies hybrid vehicle's operation requirement simultaneously, in addition, spare parts such as dual steel sheet, support bearing and friction disc are the commonality, and the reliability is high, also can reduce use cost.
Drawings
FIG. 1 is an exploded view of the intermediate strut assembly of the transmission of the present vehicle.
FIG. 2 is a cross-sectional view of the present automotive transmission mid-support assembly.
In the drawings, 1, an intermediate support; 2. a sliding bearing; 3. an inner hub of the brake; 4. a support bearing; 5. an intermediate output gear; 6. a brake main body portion; 611. a gasket; 612. adjusting the gasket; 613. dual steel sheets; 614. a friction plate; 7. a lock nut washer; 8. a lock nut; 9. a snap ring; 10. a positioning guide part; 11. a cooling oil hole; 12. a first oil passing hole; 13. a second oil passing hole; 14. a mounting cavity; 15. a step surface.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
An intermediate support assembly of an automobile transmission, referring to fig. 1-2, comprises an intermediate support member 1 disposed in a transmission housing, wherein the inner side wall of the intermediate support member 1 is in transmission connection with an inner hub 3 of a brake through a sliding bearing 2, the outer side wall of the intermediate support member 1 is in transmission connection with an intermediate output gear 5 through a support bearing 4, the support bearing 4 is fixedly connected with the intermediate support member 1 through a lock nut gasket 7 and a lock nut 8, the intermediate output gear 5 is fixed with the intermediate support member 1 through a snap ring 9, a brake main body portion 6 capable of locking the inner hub 3 of the brake is disposed between the inner hub 3 of the brake and the intermediate support member 1, the brake main body portion 6 comprises a gasket 611, an adjusting gasket 612, and a dual steel sheet 613 and a friction sheet 614 alternately disposed between the gasket 611 and the adjusting gasket 612 at intervals, the outer side wall of the inner hub 3 of the brake is provided with spline grooves capable of locking with the friction plates 614, it should be noted that the locking torque of the brake main body part 6 of the embodiment can be as high as 1500Nm, the middle output gear is arranged on the middle support part to provide support for the whole shaft system, and at the same time, the maximum output torque of 4960Nm can be transmitted, that is, the space arrangement of the whole machine is reduced through the modularized and multi-system integrated design, so that the hybrid transmission assembly with 3 steps and output torque up to 4960Nm can be manufactured in 354mm space, specifically, referring to fig. 2, the upper part of the inner hub 3 of the brake is in spline connection with a planetary mechanism (not shown in the figure), the brake is locked, so as to realize the switching of the first gear and the second gear, further, another brake is sleeved in the inner hub 3 of the brake, the input shaft is sleeved in the second brake, the input shaft is sleeved in the input shaft, the input shaft and the input shaft are respectively provided with sun gears of front and rear planetary mechanisms, three different gear speed ratios are realized through the matching of the two brakes and the planetary mechanisms of the structure, and in addition, the middle output gear 5 is respectively meshed with a gear ring and an output gear of the front planetary mechanism, so that the maximum wheel end output torque of 4960Nm is transmitted.
Referring to fig. 2, a positioning guide portion 10 for arranging an actuating rod subassembly of a parking system is disposed on the intermediate support member 1, a plurality of cooling oil holes 11 are disposed on the intermediate support member 1, the cooling oil holes 11 are located at a side of the brake main body portion 6, a plurality of first oil passing holes 12 and second oil passing holes 13 are disposed on the brake inner hub 3, the first oil passing holes 12 and the second oil passing holes 13 can communicate with an outer side and an inner cavity of the brake inner hub 3, the intermediate support member 1 and the brake inner hub 3 each have a stepped portion, the intermediate support member 1 and the brake inner hub 3 are connected through a sliding bearing 2 after being sleeved with each other, a mounting cavity 14 capable of accommodating the brake main body portion 6 is formed between lower portions thereof, and a lower end of the support bearing 4 abuts against a stepped surface 15 of the stepped portion of the intermediate support member 1, the first oil passing holes 12 are circumferentially distributed below the stepped portion of the inner hub 3 of the brake, the second oil passing holes 13 are located above the stepped portion of the inner hub 3 of the brake, the first oil passing holes 12 are elongated holes, and the second oil passing holes 13 are circular holes.
The intermediate support assembly of the automobile transmission integrates the brake, the parking system (the positioning guide part 10 on the intermediate support member 1 is used for setting the actuating rod sub-assembly of the parking system) and the cooling lubrication of a transmission system through the intermediate support member 1, the inner hub 3 of the brake, the intermediate output gear 5, the main body part 6 of the brake and other parts, does not need to develop a cooling lubrication oil way independently, has simpler structure and more compact design, meets the use requirement of a hybrid vehicle, and in addition, the parts such as the dual steel sheet 613, the support bearing 4, the friction plate 614 and the like are universal parts, so that the reliability is high, and the use cost can be reduced.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.
Claims (10)
1. The intermediate support assembly of the automobile transmission comprises an intermediate support member (1) arranged in a transmission shell, and is characterized in that the inner side wall of the intermediate support member (1) is in transmission connection with an inner hub (3) of a brake through a sliding bearing (2), the outer side wall of the intermediate support member (1) is in transmission connection with an intermediate output gear (5) through a support bearing (4), and a brake main body part (6) capable of locking the inner hub (3) of the brake is arranged between the inner hub (3) of the brake and the intermediate support member (1).
2. The intermediate support assembly of an automobile transmission according to claim 1, wherein the brake main body portion (6) includes a spacer (611), a spacer (612), and a pair of steel plates (613) and friction plates (614) alternately disposed between the spacer (611) and the spacer (612) at intervals, and an outer side wall of the inner hub (3) of the brake has spline grooves capable of locking with the friction plates (614).
3. The intermediate support assembly of an automotive transmission according to claim 1 or 2, characterized in that the support bearing (4) is fixedly connected with the intermediate support (1) by means of a lock nut washer (7) and a lock nut (8) which are sleeved.
4. Intermediate support assembly for a motor vehicle transmission according to claim 1 or 2, characterised in that the intermediate output gear (5) is fixed to the intermediate support (1) by means of a snap ring (9).
5. The intermediate support assembly of a motor vehicle transmission according to claim 1 or 2, characterized in that the intermediate support (1) is provided with a positioning guide (10) for setting an actuating lever subassembly of a parking system.
6. The intermediate support assembly of the automobile transmission according to claim 1 or 2, characterized in that a plurality of cooling oil holes (11) are formed in the intermediate support member (1), the cooling oil holes (11) are located beside the brake main body portion (6), a plurality of first oil passing holes (12) and second oil passing holes (13) are formed in the brake inner hub (3), and the first oil passing holes (12) and the second oil passing holes (13) can communicate the outer side and the inner cavity of the brake inner hub (3).
7. The intermediate support assembly of a vehicle transmission according to claim 6, wherein the intermediate support member (1) and the brake inner hub (3) each have a stepped portion, and the intermediate support member (1) and the brake inner hub (3) are coupled to each other by a sliding bearing (2) at upper portions thereof and form a mounting cavity (14) therebetween capable of receiving the brake main body portion (6).
8. The intermediate support assembly of a transmission for motor vehicles according to claim 7, characterized in that the lower end of the support bearing (4) abuts on the step surface (15) of the step of the intermediate support (1).
9. The intermediate support assembly of the automobile transmission as recited in claim 7, wherein said first oil passing holes (12) are circumferentially distributed below the step portion of the inner hub (3) of the brake, and said second oil passing holes (13) are located above the step portion of the inner hub (3) of the brake.
10. The intermediate support assembly of an automotive transmission as claimed in claim 9, characterized in that said first oil passing hole (12) is an elongated hole and said second oil passing hole (13) is a circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270662.9U CN215673541U (en) | 2021-09-16 | 2021-09-16 | Intermediate support assembly of automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122270662.9U CN215673541U (en) | 2021-09-16 | 2021-09-16 | Intermediate support assembly of automobile transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673541U true CN215673541U (en) | 2022-01-28 |
Family
ID=79965007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122270662.9U Active CN215673541U (en) | 2021-09-16 | 2021-09-16 | Intermediate support assembly of automobile transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673541U (en) |
-
2021
- 2021-09-16 CN CN202122270662.9U patent/CN215673541U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6705964B2 (en) | Power transmission system | |
| US20120316026A1 (en) | Automatic transmission | |
| US20210039487A1 (en) | Electric drive axle with multi-speed gearbox | |
| CN114475217A (en) | Three-power-source coupling hybrid system suitable for heavy truck | |
| CN215673541U (en) | Intermediate support assembly of automobile transmission | |
| CN112901752A (en) | Transmission integrated power take-off for commercial vehicle transmission | |
| CN110735918A (en) | automatic gearbox gear shifting device and gear shifting control method thereof | |
| CN215487552U (en) | Transmission and vehicle | |
| US20040067815A1 (en) | Automatic speed change apparatus | |
| US3307429A (en) | Motor vehicle transmissiondriveline units | |
| CN113910881A (en) | Electric drive axle based on clutch planet shifts | |
| CN100516590C (en) | Gear box with built-in braking system | |
| CN113910880A (en) | Coupling-based multi-mode electric drive axle | |
| JP5039647B2 (en) | Power transmission device | |
| CN217271743U (en) | Transfer case of integrated oil pump | |
| CN211259510U (en) | Planet row type three-gear gearbox | |
| JP4673959B2 (en) | Differential equipment | |
| CN109795307B (en) | Hybrid power coupling system and hybrid electric vehicle | |
| CN214564629U (en) | Front power transmission device of gearbox | |
| CN113062932B (en) | Oil circuit system of wet double clutch assembly | |
| CN214197120U (en) | Clutch gearshift and gear shaft's integrated components and vehicle | |
| JP4516655B2 (en) | Starting clutch | |
| CN216545705U (en) | Dual-motor hybrid power transmission system | |
| JP4188617B2 (en) | Gear plate actuator | |
| CN216993895U (en) | Electric drive system, power system of electric automobile and electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |