CN115217935A - Electromechanical coupling transmission assembly and vehicle with same - Google Patents
Electromechanical coupling transmission assembly and vehicle with same Download PDFInfo
- Publication number
- CN115217935A CN115217935A CN202110471427.XA CN202110471427A CN115217935A CN 115217935 A CN115217935 A CN 115217935A CN 202110471427 A CN202110471427 A CN 202110471427A CN 115217935 A CN115217935 A CN 115217935A
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- Prior art keywords
- shaft body
- transmission
- mounting
- transmission assembly
- transmission housing
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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
- 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
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention belongs to the technical field of vehicles, and particularly relates to an electromechanical coupling transmission assembly and a vehicle with the electromechanical coupling transmission assembly, wherein the electromechanical coupling transmission assembly comprises: a transmission housing, an input shaft, and a radial bearing; the input shaft comprises a shaft body and an installation part, one end of the shaft body penetrates through the outer part of the transmission shell, the other end of the shaft body is connected with the installation part, the installation part is arranged along the circumferential direction of the shaft body, and at least part of the installation part is arranged in the transmission shell; the radial bearing is arranged between the transmission housing and the mounting piece, and the radial bearing is used for radially limiting the transmission housing and the mounting piece. In the electromechanical coupling derailleur subassembly that this application provided, set up radial bearing and can produce the restriction to the radial displacement between derailleur casing and the input shaft, prevent that derailleur casing from producing the removal for the input shaft along the radial of input shaft, have spacing effectual advantage.
Description
Technical Field
The invention belongs to the technical field of vehicles, and particularly relates to an electromechanical coupling transmission assembly and a vehicle with the electromechanical coupling transmission assembly.
Background
The present electro-mechanically coupled transmission assemblies include multiple power sources, such as an engine and an electric motor, wherein torque and rotational speed delivered from the engine end are transmitted directly to the clutch via the input shaft and transmitted to other components. The input shaft directly bears the torque and the rotating speed which are transmitted by the engine, and the stability of the transmission chain is influenced by whether the support of the outer input shaft is good or not. The input shaft is responsible for transmitting the torque and the rotating speed transmitted by the engine end and also for sealing, so that the input shaft is required to have good strength, high precision and good supporting rigidity.
The conventional electromechanical coupling transmission assembly is provided with a thrust bearing and an adjusting gasket between a transmission housing and an input shaft along the axial direction, but the arrangement mode can only limit the axial displacement between the transmission housing and the input shaft, cannot limit the radial displacement between the transmission housing and the input shaft, and can cause the transmission housing to move relative to the input shaft along the radial direction of the input shaft.
Therefore, the prior art electromechanical coupling transmission assembly has the problem that the radial displacement between the transmission housing and the input shaft cannot be limited.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, a vehicle electromechanical coupling transmission assembly cannot limit radial displacement between a transmission shell and an input shaft.
To achieve the above object, the present invention provides an electromechanically coupled transmission assembly, comprising: a transmission case is provided in the transmission case,
the input shaft comprises a shaft body and a mounting piece, one end of the shaft body penetrates through the outer part of the transmission shell, the other end of the shaft body is connected with the mounting piece, the mounting piece is arranged along the circumferential direction of the shaft body, and at least part of the mounting piece is arranged in the transmission shell; and
a radial bearing disposed between the transmission housing and the mount, the radial bearing for radially retaining the transmission housing and the mount.
Optionally, a mounting position for mounting the radial bearing is formed between the transmission housing and the mounting member, and the radial bearing is in interference fit with the mounting position along the radial direction of the shaft body.
Optionally, a first limiting member is disposed on the mounting member, a second limiting member is disposed on the transmission housing, and the mounting position is formed among the first limiting member, the mounting member, the second limiting member, and the transmission housing.
Optionally, a first limiting member is disposed on an outer side wall of the mounting member, and the first limiting member extends in a direction close to the transmission housing along an axial direction of the shaft body; the inner side wall of the transmission shell is provided with a second limiting piece, and the second limiting piece extends towards the direction close to the mounting piece along the axial direction of the shaft body.
Optionally, the first limiting member is disposed on the mounting member along the circumferential direction of the shaft body, and the second limiting member is disposed on the transmission housing along the circumferential direction of the shaft body.
Optionally, the mounting member and the transmission housing are respectively provided with a protrusion, the protrusion is located in the mounting position, and the radial bearing and the protrusion are in interference fit along the axial direction of the shaft body.
Optionally, the electromechanical coupling transmission assembly further includes a skeleton oil seal, the skeleton oil seal cover is disposed outside the shaft body, and the skeleton oil seal is located between the transmission housing and the shaft body.
Optionally, one end of the shaft body penetrating through the transmission housing is provided with an external spline, the external spline is arranged along the circumferential direction of the shaft body, and the external spline is used for being matched with an internal spline of the flywheel.
Optionally, the electromechanical coupling transmission assembly further includes a connecting member, the connecting member is used for connecting with the mounting member and the clutch plate, and the connecting member is provided with an external spline for matching with the clutch plate.
The invention also provides a vehicle comprising an electro-mechanically coupled transmission assembly as described above.
The embodiment of the invention has the following technical effects:
in the electromechanical coupling speed changer assembly, the radial bearing is arranged between the speed changer shell and the mounting piece of the input shaft, the radial bearing is used for carrying out radial limiting on the speed changer shell and the mounting piece, the radial bearing is arranged to limit radial displacement between the speed changer shell and the input shaft, the speed changer shell is prevented from moving relative to the input shaft along the radial direction of the input shaft, and the electromechanical coupling speed changer assembly has the advantage of good limiting effect.
Drawings
FIG. 1 is a schematic illustration of an electro-mechanically coupled transmission assembly provided in an embodiment of the present invention;
FIG. 2 is a schematic illustration of an input shaft, and radial and axial bearings in an electro-mechanically coupled transmission assembly provided in an embodiment of the present invention.
Description of reference numerals:
10. an input shaft, 20, a transmission housing, 30, a clutch hub, 40, a radial bearing, 50, an axial bearing, 60, a sliding bearing, 70, a rotating shaft, 80, a skeleton oil seal,
110. a shaft body 120, a mounting part 130, an external spline 140, a connecting part 150, a first limiting part,
210. a second position-limiting member which is provided with a second position-limiting member,
310. a clutch plate.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the present invention, a transmission is a mechanism for changing the rotational speed and torque from an engine, which can change the transmission ratio of an output shaft and an input shaft by fixing or stepping, and is also called a transmission. In the present embodiment, the transmission is provided between the engine and the clutch.
The above description is illustrative of the various components involved in the various embodiments of an electro-mechanically coupled transmission assembly of the present application to facilitate understanding by those skilled in the art. It should be noted that the above list of components is not a necessary inclusion of an electro-mechanically coupled transmission assembly in the present application.
Referring to fig. 1 and 2, the present application provides an electro-mechanically coupled transmission assembly comprising: a transmission housing 20, an input shaft 10, and a radial bearing 40; the input shaft 10 comprises a shaft body 110 and a mounting piece 120, wherein one end of the shaft body 110 is arranged outside the transmission housing 20 in a penetrating manner, the other end of the shaft body 110 is connected with the mounting piece 120, the mounting piece 120 is arranged along the circumferential direction of the shaft body 110, and at least part of the mounting piece 120 is arranged in the transmission housing 20; the radial bearing 40 is disposed between the transmission case 20 and the mount 120, and the radial bearing 40 is used to radially restrain the transmission case 20 and the mount 120.
Specifically, the provision of the radial bearing 40 can restrict the radial displacement between the transmission case 20 and the input shaft 10, prevent the transmission case 20 from moving relative to the input shaft 10 in the radial direction of the input shaft 10, and define the vertical direction in fig. 1 as the radial direction of the shaft main body 110 and the horizontal direction in fig. 1 as the axial direction of the shaft main body 110. It should be noted that the radial bearing 40 is a deep groove ball bearing.
Further, a mounting position for mounting the radial bearing 40 is formed between the transmission housing 20 and the mount 120, and the radial bearing 40 is in interference fit with the mounting position in the radial direction of the shaft body 110.
Specifically, the radial bearing 40 and the shaft body 110 are fitted with interference in the radial direction with the mounting site, and the transmission case 20 can be prevented from moving relative to the input shaft 10 in the radial direction of the input shaft 10.
Further, the mounting member 120 is provided with a first limiting member 150, the transmission housing 20 is provided with a second limiting member 210, and a mounting position is formed among the first limiting member 150, the mounting member 120, the second limiting member 210 and the transmission housing 20.
Specifically, a rectangular mounting position is formed among the first limiting member 150, the mounting member 120, the second limiting member 210 and the transmission housing 20, the mounting position is arranged along the circumferential direction of the shaft body 110, and the mounting position is used for mounting the radial bearing 40.
Further, a first stopper 150 is disposed on an outer side wall of the mounting member 120, and the first stopper 150 extends in a direction approaching the transmission housing 20 along the axial direction of the shaft body 110; the inner side wall of the transmission housing 20 is provided with a second stopper 210, and the second stopper 210 extends in the axial direction of the shaft body 110 toward the mounting member 120.
Specifically, the first limiting member 150 extends along the right direction in fig. 1 and is vertically connected to the transmission housing 20, the second limiting member 210 extends along the left direction in fig. 1 and is vertically connected to the mounting member 120, and the second limiting member 210 is disposed parallel to the first limiting member 150. The first limiting member 150 is disposed at an end of the transmission housing 20, and the second limiting member 210 is disposed at an end of the mounting member 120.
Further, the first limiting member 150 is disposed on the mounting member 120 along the circumferential direction of the shaft body 110, and the second limiting member 210 is disposed on the transmission housing 20 along the circumferential direction of the shaft body 110.
Specifically, the first limiting member 150 is a whole, i.e., a circle when viewed from the left side of fig. 1, and is disposed along the circumferential direction of the shaft body 110, and the second limiting member 210 is identical to the first limiting member 150, or the first limiting member 150 may be disposed into a plurality of arc segments according to requirements, the plurality of arc segments are disposed along the circumferential direction of the shaft body 110, and the integrated first limiting member 150 is convenient to process.
Further, the mounting member 120 and the transmission housing 20 are respectively provided with a protrusion (not shown), the protrusion is located in the mounting position, and the radial bearing 40 is in interference fit with the protrusion along the axial direction of the shaft body 110.
Specifically, the two protrusions are respectively arranged along the left and right directions in fig. 1, so that the radial bearing 40 can axially limit the transmission case 20 and the mounting member 120. One protrusion is disposed between the first limiting member 150 and the transmission housing 20, the strength of the disposed structure is the greatest, and the installed radial bearing 40 has stability, and similarly, another protrusion is disposed between the first limiting member 150 and the installation member 120.
Further, the electromechanical coupling transmission assembly further includes a skeleton oil seal 80, the skeleton oil seal 80 is sleeved outside the shaft body 110, and the skeleton oil seal 80 is located between the transmission housing 20 and the shaft body 110.
Specifically, the frame oil seal 80 is located between the shaft body 110 and the second limiting member 210, and the frame oil seal 80 plays a role in sealing.
Further, one end of the shaft body 110 penetrating the transmission case 20 is provided with an external spline 130, the external spline 130 is disposed along the circumferential direction of the shaft body 110, and the external spline 130 is used for matching with an internal spline of the flywheel.
Specifically, the shaft body 110 is connected with the inner spline of the flywheel by the outer spline 130.
Further, the electromechanical coupling transmission assembly further comprises a connecting member 140, the connecting member 140 is used for connecting with the mounting member 120 and the clutch plate 310, and the connecting member 140 is provided with an external spline 130 for matching with the clutch plate 310.
Specifically, the connection member 140 includes a first connection portion and a second connection portion that are vertically connected, the first connection portion is first welded to the mounting member 120, and the second connection portion is provided with an external spline 130 for mating with the clutch plate 310.
The invention also provides a vehicle, wherein the electromechanical coupling transmission assembly is included.
The vehicle further comprises an engine and a clutch, wherein the engine comprises a flywheel, and the shaft body 110 penetrating through the transmission shell 20 is connected with the flywheel; the clutch includes a clutch plate 310, and the mounting member 120 is coupled to the clutch plate 310. The shaft body 110 is provided with external splines 130 along its circumference, and the external splines 130 are adapted to mate with internal splines of the flywheel.
The clutch further includes a clutch hub 30, and a first stop 150 is located between the transmission housing 20 and the clutch hub 30. The electro-mechanically coupled transmission assembly further comprises an axial bearing 50, the axial bearing 50 being arranged on the mount 120, the axial bearing 50 being adapted to axially constrain the transmission hub and the mount 120. The clutch plate 310 is splined to the clutch hub 30. The axial bearing 50 can be used to axially restrain the mount 120 and the clutch hub 30.
The vehicle further comprises a rotating shaft 70, the rotating shaft 70 is arranged in the clutch hub 30 in a penetrating manner, the rotating shaft 70 is connected with the clutch hub 30 through a spline, one end of the rotating shaft 70 is sleeved in the shaft body 110, a sliding bearing 60 is arranged on the shaft body 110, and the sliding bearing 60 is used for assembling the rotating shaft 70. The sliding bearing 60 is provided to facilitate the rotation of the rotating shaft 70.
When the electromechanical coupling transmission assembly provided by the invention is used, the input shaft 10 plays a radial supporting role through the radial bearing 40, the axial bearing 50 plays an axial limiting role, and the sliding bearing 60 can play a role in supporting the rotating shaft 70. The electromechanical coupling transmission assembly integrates the radial bearing 40 and the axial bearing 50, the supporting rigidity is improved, meanwhile, the radial bearing 40 does not need to be arranged in a mode of lengthening the input shaft 10 along the axial direction, the weight and cost can be reduced, the space layout is more compact, and the amplification negative effect caused by engine torsional vibration can be effectively reduced.
In summary, in the electromechanical coupling transmission assembly provided by the present invention, the radial bearing 40 is disposed between the transmission housing 20 and the mounting member 120 of the input shaft 10, the radial bearing 40 is used for radially limiting the transmission housing 20 and the mounting member 120, and the radial bearing 40 is disposed to limit the radial displacement between the transmission housing 20 and the input shaft 10, so as to prevent the transmission housing 20 from moving relative to the input shaft 10 in the radial direction of the input shaft 10, and has an advantage of good limiting effect.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In addition, the terms "first", "second", and the like are employed in the present invention to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. An electromechanically coupled transmission assembly, comprising:
a transmission case is provided in the transmission case,
the input shaft comprises a shaft body and a mounting piece, one end of the shaft body penetrates through the outside of the transmission shell, the other end of the shaft body is connected with the mounting piece, the mounting piece is arranged along the circumferential direction of the shaft body, and the mounting piece is at least partially arranged in the transmission shell; and
a radial bearing disposed between the transmission housing and the mount, the radial bearing for radially retaining the transmission housing and the mount.
2. An electro-mechanically coupled transmission assembly according to claim 1, wherein a mounting location is formed between the transmission housing and the mount for mounting the radial bearing, the radial bearing being an interference fit with the mounting location in a radial direction of the shaft body.
3. The electro-mechanically coupled transmission assembly of claim 2, wherein said mounting member has a first stop member disposed thereon, and said transmission housing has a second stop member disposed thereon, said first stop member, said mounting member, said second stop member and said transmission housing defining said mounting location therebetween.
4. The electro-mechanically coupled transmission assembly of claim 3, wherein a first stop member is disposed on an outer sidewall of said mounting member, said first stop member extending axially of said shaft body toward a transmission housing; and a second limiting part is arranged on the inner side wall of the transmission shell and extends towards the direction close to the mounting part along the axial direction of the shaft body.
5. The electro-mechanically coupled transmission assembly of claim 3, wherein said first retaining member is disposed on said mounting member along a circumferential direction of said shaft body, and said second retaining member is disposed on said transmission housing along a circumferential direction of said shaft body.
6. An electro-mechanically coupled transmission assembly according to claim 2, wherein the mount and the transmission housing each have a projection thereon, the projections being located in the mounting locations, the radial bearing being in interference fit with the projections in the axial direction of the shaft body.
7. The electro-mechanically coupled transmission assembly of claim 1, further comprising a skeleton oil seal, the skeleton oil seal enclosure disposed outside the shaft body, and the skeleton oil seal located between the transmission housing and the shaft body.
8. The electro-mechanically coupled transmission assembly of claim 1, wherein an end of the shaft body that is disposed through the transmission housing is provided with external splines disposed along a circumferential direction of the shaft body, the external splines configured to mate with internal splines of a flywheel.
9. The electro-mechanical coupling transmission assembly of claim 1, further comprising a connector for connection with a mounting member and a clutch plate, the connector having external splines provided thereon for mating with the clutch plate.
10. A vehicle comprising an electro-mechanically coupled transmission assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471427.XA CN115217935A (en) | 2021-04-28 | 2021-04-28 | Electromechanical coupling transmission assembly and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110471427.XA CN115217935A (en) | 2021-04-28 | 2021-04-28 | Electromechanical coupling transmission assembly and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115217935A true CN115217935A (en) | 2022-10-21 |
Family
ID=83606503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110471427.XA Pending CN115217935A (en) | 2021-04-28 | 2021-04-28 | Electromechanical coupling transmission assembly and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115217935A (en) |
-
2021
- 2021-04-28 CN CN202110471427.XA patent/CN115217935A/en active Pending
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