CN212667108U

CN212667108U - Plug-in electromechanical hybrid power planetary gear electromechanical coupling system

Info

Publication number: CN212667108U
Application number: CN202021483888.6U
Authority: CN
Inventors: 周向东; 王建光
Original assignee: SHANDONG LIANCHENG GREENMAX TECHNOLOGIES Inc
Current assignee: SHANDONG LIANCHENG GREENMAX TECHNOLOGIES Inc
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-03-09
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses a plug-in electromechanical hybrid planetary gear electromechanical coupled system, including engine, generator and driving motor, be equipped with planetary gear assembly between engine and the generator, and engine and the coaxial setting of generator, the output of engine and the input of generator pass through the drive shaft and the input shaft is connected with planetary gear assembly's both ends respectively, planetary gear assembly includes two ring gears and two planet carriers, the inside of two ring gears has two sets of planet wheels and two sun gears of meshing respectively, one side at two sets of planet wheels is installed respectively to two planet carriers, the beneficial effects of the utility model are that: two planet carriers through planetary gear assembly are as the input, through planetary gear assembly to the speed governing effect of engine for through two connecting axles of drive shaft and the two grades of transmission shaft, possess two gears when making the engine directly drive, improve dynamic property and economic nature.

Description

Plug-in electromechanical hybrid power planetary gear electromechanical coupling system

Technical Field

The utility model relates to an electromechanical coupling system, in particular to plug-in electromechanical hybrid planetary gear electromechanical coupling system belongs to car driving system technical field.

Background

In recent years, with the lack of petroleum resources, the improvement of environmental awareness of people and the increasingly strict requirements of environmental regulations, green and environment-friendly automobile products which can save energy and have low emission or even zero emission are urgently needed. Therefore, governments of various countries and automobile manufacturers all over the world are increasing the strength to develop various types of new energy automobiles. The new energy automobile comprises a pure electric automobile, a hybrid electric automobile and a fuel cell automobile. And the pure electric vehicle is difficult to break through in a short time due to the technical problem of the battery. Fuel cell vehicles suffer from problems such as energy production and storage, and are difficult to popularize in a short time. In recent years, hybrid vehicles are an area in which various automobile companies are intensively propelled.

The existing electromechanical hybrid power planetary gear electromechanical coupling system only has one gear when being driven in various driving modes, so that the dynamic property and the economical efficiency are limited, and meanwhile, the power generation effect of a generator is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug-in electromechanical hybrid planetary gear electromechanical coupled system to solve the limited and poor problem of the power generation effect of generator of the current electromechanical hybrid planetary gear electromechanical coupled system dynamic property and the economic nature that provide among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a plug-in electromechanical hybrid power planetary gear electromechanical coupling system comprises an engine, a generator and a driving motor, wherein a planetary gear assembly is arranged between the engine and the generator, the engine and the generator are coaxially arranged, the output end of the engine and the input end of the generator are respectively connected with two ends of the planetary gear assembly through a driving shaft and an input shaft, the planetary gear assembly comprises two gear rings and two planet carriers, two groups of planet gears and two sun gears are respectively meshed in the two gear rings, the two planet carriers are respectively arranged on one sides of the two groups of planet gears, one end of the driving shaft is fixedly connected with the middle part of one of the planet carriers, the middle part of one of the sun gears is fixedly connected with the middle part of the other planet carrier through a transmission shaft, and the middle part of the other sun gear is fixedly connected with one end of, the middle part of drive shaft and the middle part of transmission shaft are fixed mounting respectively have two first gears, two first gear meshes with two second gears respectively through two clutches, two the middle part of second gear all is connected with the synchronous ware through the connecting axle, two the coaxial setting of connecting axle, and one of them the one end and the driving motor transmission of connecting axle are connected.

As an optimized technical scheme of the utility model, the fixed bumper shock absorber that is equipped with on the output shaft of engine.

As an optimized technical scheme of the utility model, the generator passes through the input shaft and is connected with the stopper.

As an optimal technical scheme of the utility model, one of them the one end fixed mounting of connecting axle has first double gear, driving motor's output shaft fixed mounting has the double gear of second, the double gear of second is connected with first double gear transmission respectively through two clutches.

As an optimal technical scheme of the utility model, another the fixed third gear that is equipped with of one end of connecting axle, the third gear meshing has the fourth gear, the fourth gear is connected with the differential transmission.

As an optimal technical scheme of the utility model, two the equal fixed mounting of ring gear.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a plug-in electromechanical hybrid planetary gear electromechanical coupling system, two planet carriers through planetary gear assembly are as the input, through planetary gear assembly to the speed governing effect of engine, make through two connecting axles of drive shaft and the two-gear transmission of transmission shaft, make the engine possess two gears when directly driving, improve dynamic property and economic nature, and cooperate through first double gear and second double gear and can make driving motor possess two gears when directly driving the work, then can make and possess two gears when mixing the dynamic drive equally, further improve dynamic property and economic nature; by using the two planet carriers as input ends and the two sun gears as output ends, and by utilizing the motion characteristics of the planet gears, when the planet carriers are driving parts, driven parts run in an overspeed manner, the rotating speed of an input shaft can be increased, and then the power generation effect of a power generator can be improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the direct drive mode of the engine of the present invention;

fig. 3 is a schematic structural view of a direct drive mode of the driving motor of the present invention;

fig. 4 is a schematic structural diagram of a hybrid driving mode according to the present invention.

In the figure: 1. an engine; 2. a generator; 3. a drive motor; 4. a drive shaft; 5. a planetary gear assembly; 51. a ring gear; 52. a sun gear; 53. a planet wheel; 54. a planet carrier; 55. a drive shaft; 6. an input shaft; 7. a brake; 8. a first gear; 9. a synchronizer; 10. a connecting shaft; 11. a second gear; 12. a first double-row gear; 13. a second double row gear; 14. a third gear; 15. a fourth gear; 16. a differential mechanism; 17. a shock absorber.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a plug-in electromechanical hybrid planetary gear electromechanical coupling system, including an engine 1, a generator 2 and a driving motor 3, a planetary gear assembly 5 is disposed between the engine 1 and the generator 2, and the engine 1 and the generator 2 are coaxially disposed, an output end of the engine 1 and an input end of the generator 2 are respectively connected to two ends of the planetary gear assembly 5 through a driving shaft 4 and an input shaft 6, the planetary gear assembly 5 includes two ring gears 51 and two planetary carriers 54, two sets of planetary gears 53 and two sun gears 52 are respectively engaged inside the two ring gears 51, two planetary carriers 54 are respectively installed at one side of the two sets of planetary gears 53, one end of the driving shaft 4 is fixedly connected to a middle portion of one of the planetary carriers 54, a middle portion of one of the sun gears 52 is fixedly connected to a middle portion of the other planetary carrier 54, the middle part of another sun gear 52 and the one end fixed connection of input shaft 6, the middle part of drive shaft 4 and the middle part of transmission shaft 55 are fixed mounting respectively has two first gears 8, two first gears 8 mesh with two second gears 11 respectively through two clutches, the middle part of two second gears 11 all is connected with synchronous ware 9 through connecting axle 10, two planet carriers 54 through planetary gear assembly 5 are as the input, through the speed governing effect of planetary gear assembly 5 to engine 1, make through two connecting axles 10 of drive shaft 4 and the two-gear transmission of transmission shaft 55, possess two gears when making engine 1 directly drive, improve dynamic property and economic nature, two coaxial settings of connecting axle 10, and the one end and the driving motor 3 transmission of one of them connecting axle 10 are connected.

Preferably, a damper 17 is fixedly arranged on an output shaft of the engine 1, the purpose of damping can be achieved through the damper 17, the stability of the driving shaft 4 during rotation is improved, the generator 2 is connected with the brake 7 through the input shaft 6, the purpose of braking can be achieved through the brake 7, a first double-row gear 12 is fixedly arranged at one end of one connecting shaft 10, a second double-row gear 13 is fixedly arranged on an output shaft of the driving motor 3, the second double-row gear 13 is respectively in transmission connection with the first double-row gear 12 through two clutches, the driving motor 3 can have two gears during operation through the matching of the first double-row gear 12 and the second double-row gear 13, a third gear 14 is fixedly arranged at one end of the other connecting shaft 10, the third gear 14 is meshed with a fourth gear 15, the fourth gear 15 is in transmission connection with a differential 16, and the synchronizer 9 can drive the differential 16 to operate through the matching of the third gear 14 and the fourth gear 15, both ring gears 51 are fixedly mounted, ensuring that both planet carriers 54 of the planetary gear assembly 5 are used as input and both sun gears 52 are used as output.

When the plug-in electromechanical hybrid power planetary gear electromechanical coupling system is used, when the engine 1 is directly driven, namely the engine 1 drives the driving shaft 4 to rotate through the shock absorber 17, then the driving shaft 4 drives one of the planetary carriers 54 to rotate, then one of the sun gears 52 drives the other planetary carrier 54 to rotate through the transmission shaft 55, then the other sun gear 52 drives the input shaft 6 to drive the generator 2 to work so as to generate electricity, meanwhile, the brake 7 can be used for braking and stopping the electricity generation, in the electricity generation process, the two planetary carriers 54 are used as input ends, the two sun gears 52 are used as output ends, by utilizing the motion characteristics of the planetary gears, when the planetary carrier 54 is a driving part, the driven part runs at an overspeed, the rotating speed of the input shaft 6 can be improved, and then the electricity generation effect of the generator 2 can be improved, because the rotating speeds of the two first, the working states of the two first gears 8 can be switched by adjusting the two clutches matched with the two first gears 8, the two first gears 8 can respectively drive the two connecting shafts 10 to rotate, and then the third gear 14 drives the fourth gear 15 to drive the differential mechanism 16 to rotate, so that the driving purpose is achieved, the two connecting shafts 10 are driven in a double-gear manner by the driving shaft 4 and the transmission shaft 55, so that the engine 1 has two gears when being directly driven, and the power performance and the economy are improved; when the driving motor 3 is directly driven, namely the driving motor 3 drives the second double-row gear 13 to rotate, the two clutches drive the first double-row gear 12 to rotate, and then one of the connecting shafts 10 can be driven to rotate, so that the driving purpose is achieved, and the transmission ratio of the first double-row gear 12 to the second double-row gear 13 can be switched by adjusting the two clutches, so that the driving motor 3 has two gears during the direct driving work; during the hybrid drive, drive connecting axle 10 through engine 1, drive connecting axle 10 through driving motor 3 simultaneously and carry out hybrid drive, greatly reduced oil consumption, engine 1 directly drives simultaneously and all possesses two gears with driving motor 3 directly drives, then can make and possess two gears equally during the hybrid drive, further improve dynamic property and economic nature.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element 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 the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plug-in electromechanical hybrid power planetary gear electromechanical coupling system comprises an engine (1), a generator (2) and a driving motor (3), and is characterized in that a planetary gear assembly (5) is arranged between the engine (1) and the generator (2), the engine (1) and the generator (2) are coaxially arranged, the output end of the engine (1) and the input end of the generator (2) are respectively connected with two ends of the planetary gear assembly (5) through a driving shaft (4) and an input shaft (6), the planetary gear assembly (5) comprises two gear rings (51) and two planet carriers (54), two planetary gears (53) and two sun gears (52) are respectively meshed with the inside of the two gear rings (51), the two planet carriers (54) are respectively installed on one side of the two planetary gears (53), one end of the driving shaft (4) is fixedly connected with the middle part of one of the planet carriers (54), one of them the middle part fixed connection of transmission shaft (55) and another planet carrier (54) is passed through in the middle part of sun gear (52), another the middle part of sun gear (52) and the one end fixed connection of input shaft (6), the middle part of drive shaft (4) and the middle part of transmission shaft (55) respectively fixed mounting have two first gear (8), two first gear (8) mesh with two second gear (11) respectively through two clutches, two the middle part of second gear (11) is passed through connecting axle (10) and all is connected with synchronous ware (9), two the coaxial setting of connecting axle (10), and one of them the one end and the driving motor (3) transmission of connecting axle (10) are connected.

2. The plug-in electromechanical hybrid planetary gear electromechanical coupling system of claim 1, wherein: and a shock absorber (17) is fixedly arranged on an output shaft of the engine (1).

3. The plug-in electromechanical hybrid planetary gear electromechanical coupling system of claim 1, wherein: the generator (2) is connected with the brake (7) through the input shaft (6).

4. The plug-in electromechanical hybrid planetary gear electromechanical coupling system of claim 1, wherein: one of the two gears is characterized in that a first double-row gear (12) is fixedly mounted at one end of the connecting shaft (10), a second double-row gear (13) is fixedly mounted at an output shaft of the driving motor (3), and the second double-row gear (13) is in transmission connection with the first double-row gear (12) through two clutches respectively.

5. The plug-in electromechanical hybrid planetary gear electromechanical coupling system of claim 1, wherein: and one end of the other connecting shaft (10) is fixedly provided with a third gear (14), the third gear (14) is meshed with a fourth gear (15), and the fourth gear (15) is in transmission connection with a differential (16).

6. The plug-in electromechanical hybrid planetary gear electromechanical coupling system of claim 1, wherein: and the two gear rings (51) are fixedly arranged.