CN218377540U

CN218377540U - Longitudinally-arranged continuously variable transmission

Info

Publication number: CN218377540U
Application number: CN202223034933.1U
Authority: CN
Inventors: 平志; 王静; 刘晓宇; 汪邦勇; 曾华庆; 康军波
Original assignee: Wuhu Wanliyang Transmission Co ltd
Current assignee: Wuhu Wanliyang Transmission Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-01-24
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a indulge and put buncher, including the input shaft, its characterized in that: the input shaft is provided with an input shaft primary speed reduction driving gear, the input shaft primary speed reduction driving gear is meshed with a primary speed reduction driven gear, and the primary speed reduction driven gear is respectively meshed with a secondary speed reduction driven gear and a reverse speed reduction gear; the secondary reduction driven gear is connected to an output belt wheel shaft of the continuously variable transmission through a forward gear clutch, and the reverse reduction gear is connected to an intermediate transmission shaft through a reverse gear clutch; the input shaft is connected to an input pulley shaft of the continuously variable transmission. The utility model discloses indulge and put buncher, simple structure has buncher's advantage, the problem that the big moment of torsion provided when compensateing it and starting that simultaneously can be better, and power is guaranteed in the transmission of the big moment of torsion of better being suitable for, has stronger practicality and better application prospect.

Description

Longitudinally-arranged continuously variable transmission

Technical Field

The utility model belongs to the technical field of the derailleur, more specifically say, relate to a indulge and put buncher.

Background

At present, the power output by an output shaft of an engine during the operation of a longitudinally-arranged continuously variable transmission is firstly transmitted to a driving wheel of a CVT, then transmitted to a driven wheel through a V-shaped transmission belt, and finally transmitted to wheels through a speed reducer to drive an automobile. The axial movement of the movable disc is realized by a driver adjusting the pressure of the hydraulic pump oil cylinder of the driving wheel and the driven wheel through the control system according to the requirement. The working radius of the driving wheel and the driven wheel can be continuously adjusted, so that stepless speed change is realized.

Power transmission under all working conditions of the longitudinally-arranged CVT is limited by the structure of the V-shaped transmission stepless speed change mechanism, cannot bear instant large torque, and can limit input torque and a transmission ratio range. Under the starting working condition, larger torque can be transmitted, in order to avoid skidding, an electric control hydraulic device is required to control a cone pulley to provide enough pressing force to press a steel belt, and meanwhile, the torque output of an engine is controlled, so that when the speed per hour of an automobile is stable, the pressing force is gradually reduced according to the transmission ratio and the torque, but the negative effects of insufficient power or reduced speed ratio range and the like can be caused. And for providing great clamp force this moment, the oil pump load grow that provides hydraulic pressure causes efficiency loss, has led to indulging to put buncher and has put the efficiency on the low side under big drive ratio and big moment of torsion operating mode. In conclusion, the existing longitudinally-arranged transmission has certain defects which are not enough to meet the market demand at present, and needs further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that prior art exists, provide a simple structure, the better big moment of torsion transmission that is suitable for guarantees indulging of power and puts buncher.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: the longitudinally-arranged continuously variable transmission comprises an input shaft and is characterized in that: the input shaft is provided with a primary speed reduction driving gear of the input shaft, the primary speed reduction driving gear of the input shaft is meshed with a primary speed reduction driven gear, and the primary speed reduction driven gear is respectively meshed with a secondary speed reduction driven gear and a reverse speed reduction gear; the secondary reduction driven gear is connected to an output belt wheel shaft of the continuously variable transmission through a forward gear clutch, and the reverse reduction gear is connected to an intermediate transmission shaft through a reverse gear clutch; the input shaft is connected to an input pulley shaft of the continuously variable transmission.

In order to make the above technical solution more detailed and concrete, the present invention further provides the following preferable technical solution to obtain satisfactory practical effect:

and a continuously variable transmission switching clutch is arranged between an output belt wheel shaft and an output shaft of the continuously variable transmission.

And a third-stage reduction driving gear and a third-stage reduction driven gear which are in meshing transmission are respectively arranged on the output belt wheel shaft and the intermediate transmission shaft.

And the intermediate transmission shaft is provided with a four-stage speed reduction driving gear in meshing transmission with a four-stage speed reduction driven gear arranged on the output shaft.

The continuously variable transmission is characterized in that a driving wheel is arranged on an input pulley shaft of the continuously variable transmission, a driven wheel is arranged on an output pulley shaft, and the driving wheel is connected with the driven wheel through a transmission belt.

One side of the driving wheel is provided with an input belt wheel shaft movable pressing plate driven by an input belt wheel shaft piston.

One side of the driven wheel is provided with an output belt wheel shaft active press plate driven by an output belt wheel shaft piston.

And the input shaft end is connected with a hydraulic torque converter.

The torque converter includes a pump impeller, a turbine runner, and a stator.

Compared with the prior art, the utility model, have following advantage: the utility model discloses indulge and put buncher, simple structure, power is guaranteed in the big torque transmission of better being suitable for, has stronger practicality and better application prospect.

Drawings

The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:

FIG. 1 is a schematic structural view of a vertically disposed continuously variable transmission of the present invention;

labeled as: 1. a hydraulic torque converter; 11. a turbine; 12. a pump impeller; 13. a guide wheel; 2. an input shaft; 3. a primary speed reduction driving gear of the input shaft; 4. an input pulley shaft piston; 5. a movable pressing plate of an input belt wheel shaft; 6. a transmission belt; 7. an input pulley shaft; 8. a continuously variable transmission switching clutch; 9. a primary reduction driven gear; 10. a secondary reduction driven gear; 11. a forward gear clutch; 12. a third reduction drive gear; 13. an output pulley shaft; 14. an output pulley shaft active pressing plate; 15. an output pulley shaft piston; 16. a reverse reduction gear; 17. a reverse clutch; 18. a three-stage reduction driven gear; 19. a four-stage reduction drive gear; 20. a four-stage reduction driven gear; 21. and an output shaft.

Detailed Description

The following description of the embodiments of the present invention will explain the embodiments of the present invention in further detail by referring to the accompanying drawings.

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.

The vertically-arranged continuously variable transmission of the utility model, as shown in fig. 1, comprises an input shaft 2, wherein the input shaft 2 is provided with an input shaft primary speed reduction driving gear 3, the input shaft primary speed reduction driving gear 3 is meshed with a primary speed reduction driven gear 9, and the primary speed reduction driven gear 9 is meshed with a secondary speed reduction driven gear 10 and a reverse speed reduction gear 16 respectively; the secondary reduction driven gear 10 is connected to an output belt wheel shaft 13 of the continuously variable transmission through a forward gear clutch 11, and a reverse gear reduction gear 16 is connected to an intermediate transmission shaft through a reverse gear clutch 17; the input shaft 2 is connected to an input pulley shaft 7 of the continuously variable transmission. The utility model discloses in, through one-level speed reduction driving gear 3 and 9 meshing transmissions of one-level speed reduction driven gear, cooperation infinitely variable speed, the big torque transmission of satisfying that can be better uses, has infinitely variable speed and gear drive concurrently has a bit, and the suitability is better.

The utility model discloses in, be equipped with buncher switching clutch 8 between buncher's output band pulley axle 13 and output shaft 21. The connection and switching of the stepless speed change are controlled by the switching clutch 8.

The utility model discloses in, be equipped with meshing driven tertiary speed reduction driving gear 18 and tertiary speed reduction driven gear 18 on output pulley axle 13 and the intermediate drive axle respectively. The intermediate transmission shaft is provided with a four-stage reduction driving gear 19 in meshing transmission with a four-stage reduction driven gear 20 arranged on an output shaft 21, and power output is finally realized through the output shaft 21 through gear transmission.

The utility model discloses in, continuously variable transmission's input pulley shaft 7 is equipped with the action wheel, is equipped with on the output pulley shaft 13 from the driving wheel, action wheel and from being connected through drive belt 6 between the driving wheel. One side of the driving wheel is provided with an input belt wheel shaft movable pressing plate 5 driven by an input belt wheel shaft piston 4. One side of the driven wheel is an output pulley shaft active platen 14 driven by an output pulley shaft piston 15. The stepless speed changer adopts a transmission belt to be matched with a driving wheel and a driven wheel with variable working diameters to transmit power, and can realize continuous change of transmission ratio.

The utility model discloses in, 2 end connection of input shaft have torque converter 1. The torque converter 1 includes a pump impeller 11, a turbine runner 12, and a stator 13. The torque converter 1 is a hydrodynamic element composed of a pump impeller 11, a turbine runner 12, and a stator 13. The hydraulic oil is used as working medium and plays roles of transmitting torque, changing speed and clutching.

The utility model discloses in, indulge and put buncher and have at least three actual work to keep off the position, keep off the gear position for advancing, reverse gear keeps off the gear position and the continuous variable gear position that keeps off that advances for keeping off the gear position respectively.

When the forward gear is in the fixed gear, the forward clutch 11 is engaged, the reverse clutch 17 is disengaged, and the continuously variable transmission switching clutch 8 is disengaged. The power of the power source is input through the hydraulic torque converter 1, the input shaft first-level speed reduction driving gear 3 and the first-level speed reduction driven gear 9 on the input shaft 2, the second-level speed reduction driven gear 10, the third-level speed reduction driving gear 12, the third-level speed reduction driven gear 18 and the fourth-level speed reduction driving gear 19 are transmitted, the fourth-level speed reduction driven gear 20 and the output shaft 21 are output, therefore, the forward gear is arranged, the speed ratio can be large according to the requirement of the whole vehicle, and starting and climbing are better achieved.

When the gear is in the reverse gear position, the forward gear clutch 11 is separated, the reverse gear clutch 17 is combined, and the continuously variable transmission switching clutch 8 is separated. The power of the power source is input via the torque converter 1 and the input shaft first-stage reduction driving gear 3 and the first-stage reduction driven gear 9 on the input shaft 2, transmitted through the reverse reduction gear 16 and the fourth-stage reduction driving gear 19, and output through the fourth-stage reduction driven gear 20 and the output shaft 21, thereby realizing the reverse gear position.

When the CVT is in the continuously variable transmission gear position, the forward clutch 11 is disengaged, the reverse clutch 17 is disengaged, the continuously variable transmission switching clutch 8 is engaged, the power of the power source is input via the torque converter 1, the input shaft 2, and the input pulley shaft 7, the continuously variable transmission belt 6, the output pulley shaft 13, the third reduction driving gear 12, the third reduction driven gear 18, and the fourth reduction driving gear 19 are transmitted, and the fourth reduction driven gear 20 and the output shaft 21 are output. Thereby realizing the function of 'stepless speed change'.

The utility model discloses indulge and put buncher, simple structure has buncher's advantage, the problem that the big moment of torsion provided when compensateing it and starting that simultaneously can be better, and power is guaranteed in the transmission of the big moment of torsion of better being suitable for, has stronger practicality and better application prospect.

In the description of the present invention, it should 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 as a specific case by those skilled in the art.

The present invention has been described above with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and various insubstantial improvements or direct applications to other applications can be achieved by using the method and technical solution of the present invention, which all fall within the protection scope of the present invention.

Claims

1. A vertically-arranged continuously variable transmission comprises an input shaft, and is characterized in that: the input shaft is provided with an input shaft primary speed reduction driving gear, the input shaft primary speed reduction driving gear is meshed with a primary speed reduction driven gear, and the primary speed reduction driven gear is respectively meshed with a secondary speed reduction driven gear and a reverse speed reduction gear; the two-stage reduction driven gear is connected to an output belt wheel shaft of the continuously variable transmission through a forward gear clutch, and the reverse gear reduction gear is connected to an intermediate transmission shaft through a reverse gear clutch; the input shaft is connected to an input pulley shaft of the continuously variable transmission.

2. The longitudinally mounted continuously variable transmission according to claim 1, wherein: and a continuously variable transmission switching clutch is arranged between an output belt wheel shaft and an output shaft of the continuously variable transmission.

3. The longitudinally mounted continuously variable transmission according to claim 2, wherein: and a third-stage reduction driving gear and a third-stage reduction driven gear which are in meshing transmission are respectively arranged on the output belt wheel shaft and the intermediate transmission shaft.

4. The longitudinally mounted continuously variable transmission according to claim 3, wherein: and the intermediate transmission shaft is provided with a four-stage speed reduction driving gear in meshing transmission with a four-stage speed reduction driven gear arranged on the output shaft.

5. The longitudinally mounted continuously variable transmission according to claim 1, wherein: the continuously variable transmission is characterized in that a driving wheel is arranged on an input pulley shaft of the continuously variable transmission, a driven wheel is arranged on an output pulley shaft of the continuously variable transmission, and the driving wheel is connected with the driven wheel through a transmission belt.

6. The longitudinally mounted continuously variable transmission according to claim 5, wherein: one side of the driving wheel is provided with an input belt wheel shaft movable pressing plate driven by an input belt wheel shaft piston.

7. The longitudinally mounted continuously variable transmission according to claim 6, wherein: one side of the driven wheel is provided with an output belt wheel shaft active press plate driven by an output belt wheel shaft piston.

8. The longitudinally mounted continuously variable transmission according to claim 1, wherein: and the input shaft end is connected with a hydraulic torque converter.

9. The longitudinally mounted continuously variable transmission according to claim 8, wherein: the torque converter includes a pump impeller, a turbine runner, and a stator runner.