CN218805230U

CN218805230U - Oil-electricity dual-purpose transfer case and engineering machinery

Info

Publication number: CN218805230U
Application number: CN202223342377.4U
Authority: CN
Inventors: 徐东云; 葛亚宁; 士玉琦
Original assignee: Xuzhou XCMG Drivetrain Co Ltd
Current assignee: Xuzhou XCMG Drivetrain Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-07
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a gasoline-electric dual-purpose transfer case and engineering machinery, which comprises a case body, a first shaft assembly, an intermediate shaft assembly, a second shaft assembly and a driving motor component; the first shaft assembly, the intermediate shaft assembly and the second shaft assembly are arranged in a parallel shaft mode, and the shafts are mutually connected to transmit power; two ends of the first shaft assembly, the middle shaft assembly and the second shaft assembly are rotatably supported in inner holes at two sides of the box body through bearings respectively; the driving motor component is coaxially fixed with the first shaft assembly, the engine is coaxially fixed with the second shaft assembly, and the driving motor component or the engine transmits output power to the executing mechanism through the connection relation among the first shaft assembly, the intermediate shaft assembly and the second shaft assembly. The utility model discloses the transfer case can realize the drive of oil-electricity hybrid, through the different combination input of oil-electricity power under different operating mode conditions, can combine the advantage of oil-electricity power, can the reducing oil consumption, also can obtain powerful steady power.

Description

Oil-electricity dual-purpose transfer case and engineering machinery

Technical Field

The utility model relates to a dual-purpose transfer case of oil electricity belongs to engineering machine tool technical field.

Background

Along with the popularization of various new energy automobiles, particularly gasoline-electric hybrid electric vehicles, the electrification degree in the field of engineering machinery is continuously improved at present so as to meet the requirements of energy conservation and environmental protection. Although most of the existing transfer cases for construction machines still mainly use the traditional single power drive, the design requirement for the hybrid power drive is increasing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual-purpose transfer case of oil electricity of novel structure can satisfy engineering machine tool transfer case hybrid drive's demand.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

the utility model discloses a first aspect discloses an oil-electricity dual-purpose transfer case, which comprises a case body, a first shaft assembly, an intermediate shaft assembly, a second shaft assembly and a driving motor component; the first shaft assembly, the intermediate shaft assembly and the second shaft assembly are arranged in a parallel shaft mode, and all shafts are mutually connected to transmit power; two ends of the first shaft assembly, the middle shaft assembly and the second shaft assembly are rotatably supported in inner holes at two sides of the box body through bearings respectively; the driving motor component is coaxially fixed with the first shaft assembly, the engine is coaxially fixed with the second shaft assembly, and the driving motor component or the engine transmits output power to the executing mechanism through the connection relation among the first shaft assembly, the intermediate shaft assembly and the second shaft assembly.

In some embodiments, the first shaft assembly, the intermediate shaft assembly and the second shaft assembly have a pair of gears that sequentially mesh with each other to transmit power.

In some implementations, the first shaft assembly includes a shaft i, a shaft ii, a gear, and a flange; one end of the shaft I is fixed with the shaft II through a spline, and the other end of the shaft I is provided with an internal spline which is used for connecting a driving motor assembly and transmitting motor torque; a gear is fixed on the shaft I; the tail end of the shaft II is fixed with the flange through a spline and is used for outputting power.

In some implementations, the shaft I has a keyway and is secured to the gear by a flat key.

In some implementations, the second shaft assembly includes a flange i, a spline housing, a shaft, a shift gear, a fork assembly, a flange ii, and a gear; the flange I is fixed with the spline sleeve through a spline, a shifting gear, a shifting fork assembly and a gear are arranged on the shaft, the inner side of the shifting gear is provided with the spline matched with the shaft, the outer side of the shifting gear is provided with two sections of splines which can slide on the shaft relatively under the pushing action of the shifting fork assembly and are selectively meshed with the spline sleeve and the gear, and the gear switching function of the transfer case is met; the tail end of the shaft is fixed with the flange II through a spline and used for outputting power.

In some implementations, the gear is rotatably connected to the shaft through a bearing, and the gear is provided with an internal spline and can drive the shaft to rotate after the gear is meshed with the shifting gear.

In some embodiments, the countershaft assembly includes a shaft with gears press-fit into interference engagement with the gears in the first and second shaft assemblies for power transfer.

In some implementations, the driving motor assembly includes a driving motor and a driving shaft, the driving shaft is fixed to the spline at one end of the first shaft assembly, and the other end of the driving shaft is fixed to the driving motor, so that the external power supply electric drive top mounting is realized.

The utility model discloses the second aspect discloses an engineering machine tool installs foretell dual-purpose transfer case of oil electricity.

Compared with the prior art, the utility model has the advantages of:

1. the transfer case of the utility model can realize the oil-electricity hybrid power drive, and can combine the advantages of the oil-electricity power through the different combination input of the oil-electricity power under different working conditions, thereby not only reducing the oil consumption, but also obtaining strong and stable power;

2. the utility model discloses transfer case transmission route is simple reliable, and structural layout is compact reasonable, can satisfy complete machine user demand, makes things convenient for the complete machine space to arrange simultaneously.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

FIG. 1 is a schematic structural view of a transfer case assembly of the present invention;

FIG. 2 is a schematic structural view of a first shaft assembly of the present invention;

fig. 3 is a schematic structural view of a second shaft assembly of the present invention;

in the figure: 1. a transfer case; 2. a box body; 3. a first shaft assembly; 4. a middle shaft assembly; 5. a second shaft assembly; 6. a drive motor assembly; 7. a shaft; 8. a flat bond; 9. shaft, 10, flange, 11, flange; 12. a spline housing; 13. a shaft; 14. a shift gear; 15. a fork assembly; 16. a flange; 31. a gear; 41. a gear; 51. a gear.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 shows a schematic structural diagram of a transfer case assembly, and the transfer case 1 comprises a case body 2, a first shaft assembly 3, a middle shaft assembly 4, a second shaft assembly 5 and a driving motor assembly 6. The first shaft assembly 3, the intermediate shaft assembly 4 and the second shaft assembly 5 are arranged in a parallel shaft mode, and all shafts are mutually connected to transmit power; two ends of the first shaft assembly 3, the intermediate shaft assembly 4 and the second shaft assembly 5 are rotatably supported in inner holes at two sides of the box body 2 through bearings respectively; the driving motor component 6 is coaxially fixed with the first shaft assembly 3, the engine is coaxially fixed with the second shaft assembly 5, and the driving motor component 6 or the engine transmits output power to the executing mechanism through the connection relation among the first shaft assembly 3, the intermediate shaft assembly 4 and the second shaft assembly 5.

With continued reference to FIG. 1, the first shaft assembly 3 has a gear 31 fixed thereto by flat keys 8, the countershaft assembly 4 has a gear 41 press-fit therein, and the second shaft assembly 5 has a gear 51 selectively engaged by splines, which are engaged with each other for power transmission.

Fig. 2 shows a schematic structural diagram of the first shaft assembly 3, the first shaft assembly 3 includes a shaft 7, a shaft 9, a gear 31, a flat key 8, and a flange 10, one end of the shaft 7 is fixed to the shaft 9 through a spline, and the other end is provided with an internal spline for connecting with the driving motor component 6. The shaft 7 is provided with a key groove and is fixed with the gear 31 through a flat key 8; the end of the shaft 9 is fixed to a flange 10 by splines.

Fig. 3 shows a schematic structural diagram of the second shaft assembly 5, and the second shaft assembly 5 comprises a flange 11, a spline housing 12, a shaft 13, a shift gear 14, a fork assembly 15, a flange 16 and a gear 51. The gear 51 is rotationally connected with the shaft 13 through a bearing, an internal spline is arranged on the gear 51, the flange 11 is fixed with the spline sleeve 12 through the spline, the shaft 13 is provided with a shifting gear 14, a shifting fork assembly 15 and the gear 51, the inner side of the shifting gear 14 is provided with the spline matched with the shaft 13, the outer side of the shifting gear is provided with two sections of splines which can slide on the shaft 13 relatively under the pushing action of the shifting fork assembly 15 and are selectively meshed with the spline sleeve 12 and the gear 51, and the gear switching function of the transfer case 1 is met; the end of the shaft 13 is fixed to a flange 16 by a spline for outputting power.

The intermediate shaft assembly 4 comprises a shaft and a gear 41, wherein the gear 41 is pressed on the shaft in an interference fit mode and is meshed with gears in the first shaft assembly 3 and the second shaft assembly 5 to achieve power transmission.

The driving motor assembly 6 comprises a driving motor and a driving shaft, the driving shaft is fixed with a spline at one end of the first shaft assembly 3, and the other end of the driving shaft is fixed with the driving motor, so that the electric driving and the upper mounting of an external power supply are realized.

The transfer case is used in a pump truck for explanation as follows:

when the gear is set to the straight gear, power is input from the engine through the flange 11, the shifting fork assembly 15 shifts the shifting gear 14 to the side of the spline housing 12, so that the shifting gear 14 is meshed with the spline housing 12, the power is output to the flange 16 through the spline fit of the shaft 13 and the shifting gear 14, and the power is output to the rear axle through the flange 16, so that the pump truck travels.

When the gear is set to the operating gear, power is input from the driving motor assembly 6 via the shaft 7, and the fork assembly 15 shifts the shift gear 14 to the gear 51 side, so that the shift gear 14 is engaged with the gear 51. At this moment, the power output is divided into two paths: one path of power is output from a flange 10 of the first shaft assembly 3 through the spline engagement of the

shafts

7 and 9; the other path outputs power from the flange 16 of the second shaft assembly 5 through the mutual meshing of the gear 31, the gear 41 and the gear 51. Meanwhile, the power at the engine is used as a redundant system, so that the reliability of operation can be improved.

Therefore, the transfer case can realize oil-electricity hybrid power driving, and can combine the advantages of oil-electricity power through different combined input of the oil-electricity power under different working conditions, thereby not only reducing oil consumption, but also obtaining strong and stable power; the utility model discloses transfer case transmission route is simple reliable, and structural layout is compact reasonable, can satisfy complete machine user demand, makes things convenient for the complete machine space to arrange simultaneously.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the present invention.

Claims

1. The utility model provides a dual-purpose transfer case of oil electricity which characterized in that:

the device comprises a box body, a first shaft assembly, an intermediate shaft assembly, a second shaft assembly and a driving motor component;

the first shaft assembly, the intermediate shaft assembly and the second shaft assembly are arranged in a parallel shaft mode, and the shafts are mutually connected to transmit power;

two ends of the first shaft assembly, the middle shaft assembly and the second shaft assembly are rotatably supported in inner holes at two sides of the box body through bearings respectively;

the driving motor component is coaxially fixed with the first shaft assembly, the engine is coaxially fixed with the second shaft assembly, and the driving motor component or the engine transmits output power to the executing mechanism through the connection relation among the first shaft assembly, the intermediate shaft assembly and the second shaft assembly.

2. The oil-electric transfer case as claimed in claim 1, wherein:

and a pair of gears which are sequentially meshed with each other are arranged on the first shaft assembly, the intermediate shaft assembly and the second shaft assembly and are used for transmitting power.

3. The oil-electric transfer case as claimed in claim 2, wherein:

the first shaft assembly comprises a shaft I, a shaft II, a gear and a flange;

one end of the shaft I is fixed with the shaft II through a spline, and the other end of the shaft I is provided with an internal spline which is used for connecting a driving motor assembly and transmitting motor torque;

a gear is fixed on the shaft I;

the tail end of the shaft II is fixed with the flange through a spline and is used for outputting power.

4. The transfer case of claim 3, wherein:

a key groove is formed in the shaft I and is fixed with the gear through a flat key.

5. The oil-electric transfer case as claimed in claim 2, wherein:

the second shaft assembly comprises a flange I, a spline sleeve, a shaft, a gear shifting gear, a shifting fork assembly, a flange II and a gear;

the flange I is fixed with the spline sleeve through a spline, a shifting gear, a shifting fork assembly and a gear are arranged on the shaft, the inner side of the shifting gear is provided with the spline matched with the shaft, the outer side of the shifting gear is provided with two sections of splines which can slide on the shaft relatively under the pushing action of the shifting fork assembly and are selectively meshed with the spline sleeve and the gear, and the gear switching function of the transfer case is met;

the tail end of the shaft is fixed with the flange II through a spline and used for outputting power.

6. The oil-electric transfer case as claimed in claim 5, wherein:

the gear is rotationally connected with the shaft through the bearing, the gear is provided with an internal spline, and when the gear is meshed with the gear-shifting gear, the gear can drive the shaft to rotate.

7. The oil-electric transfer case as claimed in claim 2, wherein:

the intermediate shaft assembly comprises a shaft and gears, wherein the gears are pressed in an interference fit mode on the shaft and are meshed with the gears in the first shaft assembly and the second shaft assembly to achieve power transmission.

8. The oil-electric transfer case as claimed in claim 1, wherein:

the driving motor assembly comprises a driving motor and a driving shaft, the driving shaft is fixed with the spline at one end of the first shaft assembly, the other end of the driving shaft is fixed with the driving motor, and the external power supply is electrically driven to be installed.

9. A construction machine characterized in that:

the transfer case for oil and electricity of any one of claims 1 to 8 is installed.