CN216374158U

CN216374158U - Hybrid-driven vehicle transmission system

Info

Publication number: CN216374158U
Application number: CN202123252523.XU
Authority: CN
Inventors: 褚红卫; 王鑫; 梁晓灵
Original assignee: Linghai Hai Shi Da Machinery Co ltd
Current assignee: Haishida Emergency Equipment Zhejiang Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-04-26
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a hybrid-drive vehicle transmission system which comprises a hydraulic drive device and two gear box groups respectively arranged on two sides of the hydraulic drive device. The hydraulic driving device is provided with a power input shaft and two power output shafts, the gear box group comprises an intermediate gear box and at least two output gear boxes, the intermediate gear box and the output gear boxes are arranged in a row at intervals, and the output gear boxes are distributed on two sides or one side of the intermediate gear box; the intermediate gear box is provided with a second input shaft and a second output shaft, and the second input shaft of the intermediate gear box is coaxially connected with the power output shaft on the corresponding side; the output gearbox is provided with a power transmission shaft and a rotating shaft sleeve; the power transmission shaft and the rotating shaft sleeve rotate synchronously, and the axial directions of the power transmission shaft and the rotating shaft sleeve are vertical; the rotating shaft sleeve is used for mounting a wheel shaft of a wheel; the power transmission shaft of the output gearbox close to the intermediate gearbox is coaxially connected with a second output shaft on the intermediate gearbox. The utility model has the characteristics of low noise, high stability and the like.

Description

Hybrid-driven vehicle transmission system

Technical Field

The present invention relates to a hybrid vehicle transmission system, and more particularly, to a hybrid vehicle transmission system.

Background

Chinese patent No. CN2858359Y discloses an amphibious all-terrain vehicle with a central engine, which comprises a boat-shaped vehicle body, an engine and a gearbox, wherein the engine is arranged in the middle of the vehicle body, the gearbox is positioned below the engine, two ends of an output shaft of the gearbox extend out of first box bodies from the left side and the right side, two ends of the output shaft of the gearbox are provided with duplex chain wheels, and the duplex chain wheels transmit power to wheel shafts of wheels forward and backward respectively through two chains. The power transmission device has the advantages that power is directly transmitted to the wheels on two sides of the automobile body from the left side and the right side through the chain wheel and chain transmission systems, transmission parts of a traditional automobile chassis part are omitted, the structure is simple, the weight is light, the operation is simple, convenient and flexible, and the power transmission device can run on shallow marshes, wetlands or muddy lands and can also run on jungles, snowfields, mountainous regions or gobi.

However, the sprocket type transmission structure has a large noise and a large torque, and is likely to cause a problem such as breakage of the chain or dropping of the chain after being elongated.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a hybrid vehicle transmission system, which has the features of low noise, high stability, etc.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a hybrid vehicle driveline system comprising:

the hydraulic driving device is provided with a power input shaft and two power output shafts, wherein the power input shaft is connected with a power source and respectively drives the power output shafts to rotate through a built-in hydraulic transmission structure;

the two gear box groups are respectively arranged on two sides of the hydraulic driving device and comprise an intermediate gear box and at least two output gear boxes, the intermediate gear box and the output gear boxes are arranged in a row at intervals, and the output gear boxes are distributed on two sides or one side of the intermediate gear box; wherein,

the intermediate gear box is provided with a second input shaft and a second output shaft, and the second input shaft of the intermediate gear box is coaxially connected with the power output shaft on the corresponding side;

the output gearbox is provided with a power transmission shaft and a rotating shaft sleeve; the power transmission shaft and the rotating shaft sleeve rotate synchronously, and the axial directions of the power transmission shaft and the rotating shaft sleeve are vertical; the rotating shaft sleeve is used for mounting a wheel shaft of a wheel;

the power transmission shaft of the output gearbox close to the intermediate gearbox is coaxially connected with a second output shaft on the intermediate gearbox; when the number of the output gear boxes on the same side of the middle gear box is more than 1, the power transmission shafts between the two adjacent output gear boxes are coaxially connected.

Preferably, the hydraulic drive device includes:

the power input device is provided with the power input shaft and two first output shafts, the power input shaft is connected with a power source and drives the first output shafts to synchronously rotate through a built-in gear transmission structure;

the driving shafts of the two hydraulic pumps are coaxially connected with the two power output shafts one to one; an oil inlet of the hydraulic pump is communicated with an oil outlet of the oil tank;

oil inlets of the two hydraulic motors are respectively communicated with an oil outlet of one of the hydraulic pumps, and the oil outlet is communicated with an oil return port of the oil tank; the output shaft of the hydraulic motor is used as the power output shaft.

Preferably, the power input device comprises a first box body, the power input shaft and the first output shaft are arranged in the first box body through bearings, and an auxiliary shaft is further arranged in the first box body through bearings; the power input shaft, the first output shaft and the auxiliary shaft are parallel to each other; the power input shaft is provided with a main gear, the auxiliary shaft is provided with a transmission gear, and the first output shaft is provided with a pinion; the main gear is meshed with a transmission gear, and the transmission gear is meshed with a secondary gear.

Preferably, the two pinions are located on both sides of the transfer gear, respectively.

Preferably, a clutch is mounted on the first box, and the power input shaft is connected with the power source through the clutch.

Preferably, the second output shaft and the power transmission shaft are connected by a roller chain coupling.

Preferably, the output gear box positioned in the middle of the queue is provided with two power transmission shafts, and the two power transmission shafts are respectively positioned at the left side and the right side of the output gear box; the output gearbox at the end of the train has a power transmission shaft.

Preferably, the power transmission shafts of adjacent two output gearboxes are connected by a cardan link.

The technical effects of the utility model are mainly reflected in the following aspects:

1. the hydraulic and gear box hybrid driving mode is adopted, so that the hydraulic and gear box hybrid driving device has the characteristics of good stability, low noise and the like;

2. the steering, backing and other operations can be realized by respectively operating the two hydraulic pumps.

Drawings

FIG. 1 is a schematic illustration of a transmission system according to an embodiment;

FIG. 2 is a simplified schematic illustration of an alternate embodiment of the transmission system of the present embodiment;

FIG. 3 is a schematic structural view of a power input device in an embodiment;

FIG. 4 is a schematic view of the internal structure of an intermediate gear case according to an embodiment

FIG. 5 is a schematic view of the internal structure of an output gearbox in the embodiment.

Reference numerals: 1. a hydraulic pump; 2. a power input device; 21. a box body; 22. a power input shaft; 23. an auxiliary shaft; 24. a first output shaft; 25. a main gear; 26. a transfer gear; 27. a pinion gear; 3. a clutch; 4. a hydraulic motor; 5. an intermediate gear box; 51. a second case; 52. a second input shaft; 521. a third cylindrical gear; 53. a second intermediate shaft; 531. a fourth cylindrical gear; 532. a fifth cylindrical gear; 54. a third intermediate shaft; 541. a sixth cylindrical gear; 542. a third bevel gear; 55. a second output shaft; 551. a fourth bevel gear; 6. an output gearbox; 61. a third box body; 62. a power transmission shaft; 63. a fifth bevel gear; 64. rotating the shaft sleeve; 65. a sixth bevel gear; 66. a fourth bearing seat; 7. a gimbal link; 8. roller chain coupling.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

Referring to fig. 1, the present embodiment provides a hybrid drive vehicular transmission system including a hydraulic drive device and a gear box assembly.

The hydraulic driving device is provided with a power input shaft 22 and two power output shafts, wherein the power input shaft 22 is connected with a power source (engine) and respectively drives the power output shafts to rotate through a built-in hydraulic transmission structure.

The gear box group is provided with 2, sets up respectively in hydraulic drive device both sides. The gear box group comprises an intermediate gear box 5 and at least two output gear boxes 6, the intermediate gear box 5 and the output gear boxes 6 are arranged in a row at intervals, and the output gear boxes 6 are distributed on two sides or one side of the intermediate gear box 5; for example, FIG. 1 is a two-sided arrangement such that the transmission system is generally H-shaped, and FIG. 2 is a one-sided arrangement such that the transmission system is generally H-shaped Jiong.

Referring to fig. 1 and 3, the hydraulic driving apparatus includes a power input device 2, two hydraulic pumps 1, and two hydraulic motors 4.

The power input device 2 comprises a first box body 21, a power input shaft 22 and two first output shafts 24 are arranged in the first box body 21 through bearings, and an auxiliary shaft 23 is also arranged in the first box body 21 through a bearing; the power input shaft 22, the first output shaft 24, and the auxiliary shaft 23 are parallel to each other; a main gear 25 is arranged on the power input shaft 22, a transmission gear 26 is arranged on the auxiliary shaft 23, and a pinion 27 is arranged on the first output shaft 24; the main gear 25 meshes with a transfer gear 26, and the transfer gear 26 meshes with a pinion 27. Two pinion gears 27 are located on either side of the transfer gear 26. The first case 21 is provided with a clutch 3, and a power input shaft 22 is connected to a power source through the clutch 3.

The driving shafts of the two hydraulic pumps 1 are coaxially connected with the two power output shafts one to one; an oil inlet of the hydraulic pump 1 is communicated with an oil outlet of the oil tank; oil inlets of the two hydraulic motors 4 are respectively communicated with an oil outlet of one of the hydraulic pumps 1, and the oil outlet is communicated with an oil return port of an oil tank; the output shaft of the hydraulic motor 4 serves as a power output shaft.

Through above technical scheme, power input device 2 drives two hydraulic pump 1 operations respectively under the drive of power supply, and two hydraulic pump 1 drives two hydraulic motor 4 operations respectively again, because hydraulic pump 1 is from taking the control lever, promptly: the direction of the oil path of the hydraulic pump 1 can be controlled by the operating lever, so that the forward and reverse rotation of the wheels can be realized only by the operating lever.

Referring to fig. 4, the intermediate gear box 5 includes a second case 5121, a second input shaft 52, a second intermediate shaft 53, a third intermediate shaft 54, and a second output shaft 55; the second input shaft 52, the second intermediate shaft 53, the third intermediate shaft 54, and the second output shaft 55 are fixed to the second housing 5121 via a third bearing housing. One end of the second input shaft 52 is coaxially connected to the power output shaft via a roller chain coupling 8, and the other end is mounted with a third cylindrical gear 521. The second intermediate shaft 53 and the third intermediate shaft 54 are parallel to the axis direction of the second input shaft 52, and a fourth cylindrical gear 531 and a fifth cylindrical gear 532 are coaxially and fixedly arranged on the second intermediate shaft 53; a sixth cylindrical gear 541 and a third bevel gear 542 are coaxially and fixedly arranged on the third intermediate shaft 54, and the sixth cylindrical gear 541 is meshed with the fourth cylindrical gear 531. The second output shaft 55 is perpendicular to the axial direction of the second input shaft 52, a fourth bevel gear 551 is attached to the second output shaft 55, and the fourth bevel gear 551 meshes with a third bevel gear 542. In this manner, when the second input shaft 52 rotates, the second output shaft 55 can also rotate synchronously. It is worth to be noted that when the whole transmission system is in an H shape, the second output shafts 55 are arranged on both sides of the intermediate gear box 5, so that the output gear boxes 6 on both sides can be conveniently connected; when the transmission system is overall in the form of Jiong, the intermediate gearbox 5 is then provided with a second output shaft 55 on one side only.

The output gear box 6 includes a third box body 6121, a power transmission shaft 62 and a rotating shaft sleeve 64; the power transmission shaft 62 and the rotation sleeve 64 are fixed to the third casing 6121 through a fourth bearing block 66. The power transmission shaft 62 is perpendicular to the axial direction of the rotary sleeve 64. A fifth bevel gear 63 is coaxially fixed at one end of the power transmission, a sixth bevel gear 65 is coaxially fixed on the rotating shaft sleeve 64, and the fifth bevel gear 63 is meshed with the sixth bevel gear 65. The rotating shaft sleeves 64 are hollow and used for mounting wheel shafts of wheels, specifically, the axes of the rotating shaft sleeves 64 of two output gear boxes 6 with two opposite sides are overlapped, and when the rotating shaft sleeves are mounted, the wheel shafts of the wheels are simultaneously inserted into the rotating shaft sleeves 64 of the two output gear boxes 6 along one direction and then fixed. The axle and the rotating sleeve 64 may be keyed. Therefore, the power transmission shaft 62 and the rotating sleeve 64 can rotate synchronously, and the rotating sleeve 64 drives the wheel shaft of the wheel to rotate.

No matter the transmission system is H-shaped or Jiong-shaped as a whole, the other end of the power transmission shaft 62 of the output gearbox 6 close to the intermediate gearbox 5 is coaxially connected with the second output shaft 55 on the intermediate gearbox 5, specifically, can be connected through the roller chain coupling 8.

When the transmission system is Jiong-shaped as a whole, as shown in fig. 2 and 5, when the number of the output gear boxes 6 on the same side of the intermediate gear box 5 is greater than 1, the power transmission shafts 62 between two adjacent output gear boxes 6 are coaxially connected, and specifically, can be connected through the universal joint connecting rod 7. The output gearbox 6 located at the middle of the line at this time has two power transmission shafts 62, and the two power transmission shafts 62 are located on the left and right sides of the output gearbox 6, respectively. The output gearbox 6 at the end of the line then has only one power transmission shaft 62.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. A hybrid vehicle driveline system, comprising:

the hydraulic driving device is provided with a power input shaft (22) and two power output shafts, wherein the power input shaft (22) is connected with a power source and respectively drives the power output shafts to rotate through a built-in hydraulic transmission structure;

the two gear box groups are respectively arranged on two sides of the hydraulic driving device and comprise an intermediate gear box (5) and at least two output gear boxes (6), the intermediate gear box (5) and the output gear boxes (6) are arranged in a row at intervals, and the output gear boxes (6) are distributed on two sides or one side of the intermediate gear box (5); wherein,

the intermediate gear box (5) is provided with a second input shaft (52) and a second output shaft (55), and the second input shaft (52) of the intermediate gear box (5) is coaxially connected with the power output shaft on the corresponding side;

the output gear box (6) is provided with a power transmission shaft (62) and a rotating shaft sleeve (64); the power transmission shaft (62) and the rotating shaft sleeve (64) rotate synchronously, and the axial directions of the power transmission shaft and the rotating shaft sleeve are vertical; the rotating shaft sleeve (64) is used for mounting a wheel shaft of a wheel;

a power transmission shaft (62) of the output gearbox (6) close to the intermediate gearbox (5) is coaxially connected with a second output shaft (55) on the intermediate gearbox (5); when the number of the output gear boxes (6) on the same side of the middle gear box (5) is more than 1, the power transmission shafts (62) between two adjacent output gear boxes (6) are coaxially connected.

2. A hybrid vehicle transmission system as defined in claim 1, wherein said hydraulic drive means comprises:

the power input device (2) is provided with the power input shaft (22) and two first output shafts (24), the power input shaft (22) is connected with a power source, and the first output shafts (24) are driven to synchronously rotate through a built-in gear transmission structure;

the hydraulic pump comprises two hydraulic pumps (1), wherein driving shafts of the two hydraulic pumps (1) are coaxially connected with two power output shafts one to one; an oil inlet of the hydraulic pump (1) is communicated with an oil outlet of an oil tank;

oil inlets of the two hydraulic motors (4) are respectively communicated with an oil outlet of one of the hydraulic pumps (1), and the oil outlet is communicated with an oil return port of an oil tank; the output shaft of the hydraulic motor (4) is used as the power output shaft.

3. A hybrid vehicle transmission system according to claim 2, wherein said power input means (2) comprises a first housing (21), said power input shaft (22) and said first output shaft (24) being mounted in said first housing (21) by bearings, said first housing (21) further having an auxiliary shaft (23) mounted therein by bearings; the power input shaft (22), the first output shaft (24) and the auxiliary shaft (23) are parallel to each other; a main gear (25) is mounted on the power input shaft (22), a transmission gear (26) is mounted on the auxiliary shaft (23), and a pinion (27) is mounted on the first output shaft (24); the main gear (25) is meshed with a transmission gear (26), and the transmission gear (26) is meshed with a secondary gear (27).

4. A hybrid vehicle transmission according to claim 3, wherein said two pinions (27) are located on either side of the transfer gear (26).

5. A hybrid vehicle transmission system according to claim 3, wherein said first housing (21) is provided with a clutch (3), and said power input shaft (22) is connected to a power source through said clutch (3).

6. A hybrid vehicle transmission system according to claim 1, wherein the second output shaft (55) is connected to the power transmission shaft (62) by means of a roller chain coupling (8).

7. A hybrid vehicle transmission system according to claim 1, wherein the output gearbox (6) located at the middle of the line has two power transmission shafts (62), and the two power transmission shafts (62) are respectively located at the left and right sides of the output gearbox (6); the output gearbox (6) at the end of the train has a power transmission shaft (62).

8. A hybrid vehicle transmission system according to claim 1, wherein the power transmission shafts (62) of two adjacent output gearboxes (6) are connected by a cardan link (7).