CN115217935A - An electromechanical coupling transmission assembly and vehicle having the same - Google Patents

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

An electromechanical coupling transmission assembly and vehicle having the same

technical field

The present invention relates to the technical field of vehicles, in particular to an electromechanical coupling transmission assembly and a vehicle having the same.

Background technique

At present, the electromechanical coupling transmission assembly includes multiple power sources such as the engine and the electric motor. The torque and rotational speed delivered by the engine end are directly transmitted to the clutch through the input shaft and transmitted to other components. The input shaft directly carries the torque and rotational speed delivered by the engine. Whether the support of the external input shaft is good will affect the stability of the transmission chain. The input shaft is not only responsible for transmitting the torque and speed delivered by the engine end, but also for sealing. Therefore, it is not only necessary to ensure that the input shaft has good strength and high precision, but also good support rigidity.

The current electromechanical coupling transmission assembly is axially provided with a thrust bearing and an adjusting shim between the transmission housing and the input shaft, but this arrangement can only limit the axial displacement between the transmission housing and the input shaft, and cannot Limiting the radial displacement between the transmission housing and the input shaft results in movement of the transmission housing relative to the input shaft in the radial direction of the input shaft.

Therefore, in the prior art, the electromechanical coupling transmission assembly has the problem that the radial displacement between the transmission housing and the input shaft cannot be restricted.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the problem in the prior art that the vehicle electromechanical coupling transmission assembly cannot limit the radial displacement between the transmission housing and the input shaft.

In order to achieve the above object, the present invention provides an electromechanical coupling transmission assembly, which includes: a transmission housing,

An input shaft, the input shaft includes a shaft body and a mounting piece, one end of the shaft body is penetrated outside the transmission housing, the other end of the shaft body is connected with the mounting piece, and the mounting piece is along the shaft body Circumferentially disposed, the mount is disposed at least partially within the transmission housing; and

A radial bearing, 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.

Optionally, a mounting position for installing the radial bearing is formed between the transmission housing and the mounting member, and the radial bearing is in an interference fit with the mounting position along the radial direction of the shaft body. .

Optionally, the mounting piece is provided with a first limiting piece, the transmission housing is provided with a second limiting piece, the first limiting piece, the mounting piece, the second limiting piece The mounting position is formed between the member and the transmission housing.

Optionally, a first limiting member is provided on the outer side wall of the mounting member, and the first limiting member extends along the axial direction of the shaft body toward the transmission housing; the inner side of the transmission housing A second limiting piece is arranged on the wall, and the second limiting piece extends in the direction of approaching the mounting piece along the axial direction of the shaft body.

Optionally, the first limiting member is arranged on the mounting member along the circumferential direction of the shaft body, and the second limiting member is arranged on the transmission housing along the circumferential direction of the shaft body .

Optionally, protrusions are respectively provided on the mounting member and the transmission housing, the protrusions are located in the installation positions, and the radial bearing and the protrusions are along the axial direction of the shaft body. interference fit.

Optionally, the electromechanically coupled transmission assembly further includes a skeleton oil seal, the skeleton oil seal is sleeved 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 passing through the transmission housing is provided with external splines, the external splines are arranged along the circumferential direction of the shaft body, and the external splines are used to connect with the flywheel. Internal spline matching.

Optionally, the electromechanical coupling transmission assembly further includes a connecting piece for connecting with the mounting piece and the clutch plate, and the connecting piece is provided with an external spline for matching with the clutch plate.

The present invention also provides a vehicle comprising the electromechanically coupled transmission assembly as described above.

Implementing the embodiments of the present invention has the following technical effects:

In the electromechanical coupling transmission assembly provided by the present invention, the radial bearing is arranged between the transmission housing and the mounting member of the input shaft, and the radial bearing is used to radially limit the transmission housing and the mounting member. The radial displacement between the transmission casing and the input shaft is restricted, the movement of the transmission casing relative to the input shaft along the radial direction of the input shaft is prevented, and the limitation effect is good.

Description of drawings

1 is a schematic diagram of an electromechanical coupling transmission assembly provided in an embodiment of the present invention;

2 is a schematic diagram of an input shaft, radial bearings and axial bearings in an electromechanically coupled transmission assembly provided in an embodiment of the present invention.

Description of reference numbers:

10, input shaft, 20, transmission housing, 30, clutch hub, 40, radial bearing, 50, axial bearing, 60, sliding bearing, 70, rotating shaft, 80, skeleton oil seal,

110, shaft body, 120, mounting piece, 130, external spline, 140, connecting piece, 150, first limit piece,

210. The second limiter,

310. Clutch plate.

Detailed ways

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the present invention, the transmission is a mechanism used to change the rotational speed and torque from the engine. It can change the transmission ratio between the output shaft and the input shaft in a fixed or step-by-step manner, also known as a gearbox. In this embodiment, the transmission is arranged between the engine and the clutch.

The above is to explain the various components involved in the various embodiments of the electromechanical coupling transmission assembly in the present application, so as to facilitate the understanding of those skilled in the art. It should be noted that the components listed above are not necessarily included in the electromechanical coupling transmission assembly in this application.

1 and 2 , the electromechanical coupling transmission assembly provided by the present application includes: a transmission housing 20 , an input shaft 10 , and a radial bearing 40 ; the input shaft 10 includes a shaft body 110 and a mounting member 120 , and one end of the shaft body 110 Passing through the transmission housing 20, the other end of the shaft body 110 is connected to the mounting piece 120, the mounting piece 120 is arranged along the circumferential direction of the shaft body 110, and the mounting piece 120 is at least partially arranged in the transmission housing 20; the radial bearing 40 Provided between the transmission housing 20 and the mounting piece 120 , the radial bearing 40 is used for radially limiting the transmission housing 20 and the mounting piece 120 .

Specifically, arranging the radial bearing 40 can limit the radial displacement between the transmission housing 20 and the input shaft 10, and prevent the transmission housing 20 from moving relative to the input shaft 10 in the radial direction of the input shaft 10, as specified in FIG. 1 The middle-up-down direction is the radial direction of the shaft body 110 , and the left-right direction in FIG. 1 is the axial direction of the shaft 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 mounting member 120 , and the radial bearing 40 is in an interference fit with the mounting position along the radial direction of the shaft body 110 .

Specifically, the radial bearing 40 and the shaft body 110 are in interference fit with the installation position in the radial direction, which can prevent the transmission housing 20 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 , the first limiting member 150 , the mounting member 120 , the second limiting member 210 and the transmission housing An installation position is formed between the bodies 20 .

Specifically, a rectangular mounting position is formed between 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 the mounting diameter to bearing 40.

Further, a first limiting member 150 is provided on the outer side wall of the mounting member 120 , and the first limiting member 150 extends along the axial direction of the shaft body 110 toward the transmission housing 20 ; There is a second limiting member 210 , and the second limiting member 210 extends along the axial direction of the shaft body 110 toward the mounting member 120 .

Specifically, the first limiting member 150 extends in the right direction in FIG. 1 and is vertically connected with the transmission housing 20 , the second limiting member 210 extends in the left direction in FIG. 1 and is vertically connected with the mounting member 120 , and the second limiting member 210 extends in the left direction in FIG. The limiting member 210 is disposed in parallel with the first limiting member 150 . The first limiting member 150 is disposed at the end of the transmission housing 20 , and the second limiting member 210 is disposed at the 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, that is, it is circular when viewed from the left side of FIG. 1 , and is arranged along the circumferential direction of the shaft body 110 . The second limiting member 210 is consistent with the first limiting member 150 , and is also The first limiting member 150 can be set into multiple arc segments according to requirements, and the multiple arc segments are arranged along the circumferential direction of the shaft body 110 . The integrated first limiting member 150 is convenient for processing.

Further, the mounting member 120 and the transmission housing 20 are respectively provided with protrusions (not shown in the figure), the protrusions are located in the installation positions, and the radial bearing 40 and the protrusions are in an axial interference fit along the shaft body 110 .

Specifically, there are two protrusions, and the two protrusions are respectively disposed along the left and right directions in FIG. 1 , so that the radial bearing 40 can limit the axial position of the transmission housing 20 and the mounting member 120 . A protrusion is arranged between the first limiting member 150 and the transmission housing 20 . The strength of this setting structure is the greatest, and the installed radial bearing 40 has stability. Similarly, another protrusion is provided on the first limiting member 150 . and the mount 120 .

Further, the electromechanically coupled 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 skeleton oil seal 80 is located between the shaft body 110 and the second limiting member 210 , and the skeleton oil seal 80 performs a sealing function.

Further, one end of the shaft body 110 passing through the transmission housing 20 is provided with an external spline 130, the external spline 130 is arranged along the circumference of the shaft body 110, and the external spline 130 is used for matching with the internal spline of the flywheel.

Specifically, the shaft body 110 is connected with the inner spline of the flywheel through the outer spline 130 .

Further, the electromechanical coupling transmission assembly further includes 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 connecting member 140 includes a first connecting portion and a second connecting portion that are vertically connected, the first connecting portion is welded to the mounting member 120 first, and the second connecting portion is provided with an external spline for matching with the clutch plate 310 130.

The present invention also provides a vehicle comprising the electromechanically coupled transmission assembly as above.

The vehicle further includes an engine and a clutch, the engine includes a flywheel, and the shaft body 110 passing through the transmission housing 20 is connected to the flywheel; the clutch includes a clutch plate 310 , and the mounting member 120 is connected to the clutch plate 310 . The shaft body 110 is provided with external splines 130 along its circumferential direction, and the external splines 130 are used for matching with the internal splines of the flywheel.

The clutch further includes a clutch hub 30 , and the first limiting member 150 is located between the transmission housing 20 and the clutch hub 30 . The electromechanical coupling transmission assembly further includes an axial bearing 50 . The axial bearing 50 is disposed on the mounting member 120 , and the axial bearing 50 is used for axially limiting the transmission hub and the mounting member 120 . The clutch plate 310 is splined to the clutch hub 30 by splines. The axial bearing 50 can be used to axially limit the mount 120 and the clutch hub 30 .

The vehicle also includes a rotating shaft 70, which is penetrated in the clutch hub 30, and the rotating shaft 70 is connected with the clutch hub 30 through splines. One end of the rotating shaft 70 is sleeved in the shaft body 110, and the shaft body 110 is provided with a 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 present invention is used, the input shaft 10 can play a radial support role through the radial bearing 40 , the axial bearing 50 can play an axial limiting role, and the sliding bearing 60 can play a supporting role for the rotating shaft 70 . . The electromechanical coupling transmission assembly integrates the radial bearing 40 and the axial bearing 50. While improving the support rigidity, there is no need to arrange the radial bearing 40 by lengthening the input shaft 10 in the axial direction, which can achieve weight reduction and cost reduction, making space The layout is more compact, which can effectively reduce the negative effect of amplification caused by engine torsional vibration.

To sum up, in the electromechanical coupling transmission assembly provided by the present invention, the radial bearing 40 is arranged between the transmission housing 20 and the mounting member 120 of the input shaft 10 , and the radial bearing 40 is used for the transmission housing 20 and the mounting member 120 . Radial limit, setting the radial bearing 40 can limit the radial displacement between the transmission housing 20 and the input shaft 10, and prevent the transmission housing 20 from moving relative to the input shaft 10 in the radial direction of the input shaft 10, with The advantage of good limiting effect.

In the description of the present invention, it should be noted that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first", "second", etc. are used in the present invention to describe various kinds of information, but the information should not be limited to these terms, which are only used 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 are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It 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.

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