Integrated shell speed reducer

Abstract

The utility model discloses an integrated shell speed reducer, which relates to the technical field of speed reducers and comprises a speed reducer box body with a rear axle box body at the bottom. The speed reducer mechanism is arranged in the speed reducer box body and used for speed reduction in the using process; the drive axle mechanism is arranged in the rear axle box body and used for changing the rotating speed and the torque from the speed reducer, the drive axle mechanism comprises a driven bevel gear and a driving bevel gear, the driven bevel gear is rotationally connected into the rear axle box body, and a bearing is rotationally connected into the rear axle box body. According to the integrated shell speed reducer, a motor speed reducer is additionally arranged at the rear end of a traditional AT or CVT transmission, power of the motor speed reducer and an output shaft of the transmission is collected and then output to wheels, hybrid driving of fuel oil power and electric power is achieved, and the driving modes include the pure oil power driving mode, the pure electric power driving mode and the oil-electric hybrid power driving mode. According to different road conditions and different driving habits or styles, the controller automatically identifies and distributes driving modes.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to an integrated housing reducer. Background Art

[0002] The gear reducer is an independent closed transmission device between the prime mover and the working machine, which is used to reduce the speed and increase the torque to meet the working needs. At present, this type of reducer is composed of 4 shells, namely the reducer case cover, reducer case body, rear axle case body and rear axle case cover.

[0003] The authorization publication number "CN220828507U" records "a new type of electric drive axle reducer housing, including a motor housing, a reducer housing, a box cover and a main reducer mounting surface. The motor housing, the reducer housing, the box cover and the main reducer mounting surface are an integrated structure. The motor housing is connected to the main reducer mounting surface through the reducer housing. One end of the reducer housing is connected to the motor housing. A box cover is provided at the other end of the reducer housing. A pressure switch mounting seat is provided at the upper end of the main reducer mounting surface, and a differential mounting tile cover is provided at the lower end of the main reducer mounting surface. The motor housing, the reducer housing, the box cover and the main reducer mounting surface are designed as an integrated whole using aluminum alloy materials. At the same time, reinforcing ribs are provided at each connection. While reducing the product weight and improving the material utilization rate, the strength of the product is further guaranteed, and the production and manufacturing cost of the product is also reduced."

[0004] While the above patent reduces product weight and improves material utilization, the strength of the product is further guaranteed and the production cost of the product is also reduced. However, during use, the controller cannot automatically identify and assign the driving mode according to different road conditions, different driving habits or styles. Utility Model Content

[0005] The utility model provides an integrated housing reducer, which adds a motor reducer to the rear end of a traditional AT or CVT transmission and collects power from the transmission output shaft before outputting it to the wheels, thereby realizing a hybrid drive of fuel power and electric power. The driving modes include pure fuel power drive, pure electric power drive, and fuel-electric hybrid power drive. The controller automatically identifies and allocates the driving mode according to different road conditions, different driving habits or styles.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an integrated housing reducer, comprising:

[0007] A reducer housing with a rear axle housing at the bottom;

[0008] A reducer mechanism is disposed in the reducer housing and is used for reducing speed during use; and

[0009] The drive axle mechanism is arranged in the rear axle case and is used to change the speed and torque from the reducer. The drive axle mechanism includes a driven bevel gear and a driving bevel gear. The driven bevel gear is rotatably connected to the rear axle case. A bearing is rotatably connected in the rear axle case. The driving bevel gear is fixedly connected to one end of the bearing, and the driving bevel gear and the driven bevel gear are meshed with each other.

[0010] Furthermore, the reducer mechanism comprises:

[0011] An input component, disposed in the reducer housing, for inputting power from the motor; and

[0012] The transmission component is arranged in the reducer housing, and is connected to the input component, and the transmission component is connected to the bearing for power transmission of the input component.

[0013] Furthermore, the input component includes an input shaft and a pinion gear, the input shaft is rotatably connected to the reducer housing, and the pinion gear is fixedly connected to one end of the input shaft.

[0014] Furthermore, the transmission component includes a transmission gear and a large gear. The transmission gear is rotatably connected to the reducer housing, and the transmission gear and the small gear are meshed with each other. The large gear is fixedly connected to the bearing, and the large gear and the transmission gear are meshed with each other.

[0015] Furthermore, a reducer case cover is fixedly connected to one side of the outer surface of the reducer case by bolts, and a rear axle case cover is fixedly connected to one side of the outer surface of the rear axle case by bolts.

[0016] The utility model provides an integrated housing reducer, which has the following beneficial effects:

[0017] (1) This integrated housing reducer is added to the rear end of a traditional AT or CVT transmission to collect power from the transmission output shaft and then output it to the wheels, thereby achieving a hybrid drive of fuel power and electric power. The driving modes include pure fuel power drive, pure electric power drive, and fuel-electric hybrid power drive. The controller automatically identifies and allocates the driving mode according to different road conditions, driving habits or styles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a partial cross-sectional view from the first viewing angle of the utility model;

[0019] Figure 2 It is a partial cross-sectional view from a second viewing angle of the present utility model;

[0020] Figure 3 It is a three-dimensional diagram of the drive axle mechanism of the utility model;

[0021] Figure 4This is a first-perspective stereogram of the present invention;

[0022] Figure 5 It is a second perspective stereogram of the utility model;

[0023] Figure 6 This is a three-dimensional diagram from a third viewing angle of the present invention.

[0024] In the figure: 1. reducer housing; 2. reducer housing cover; 3. pinion; 4. transmission gear; 5. bearing; 6. large gear; 7. driven bevel gear; 8. rear axle housing; 9. input shaft; 10. driving bevel gear; 11. rear axle housing cover. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6 The utility model provides a technical solution: an integrated housing reducer, comprising:

[0027] A reducer housing 1 with a rear axle housing 8 at the bottom;

[0028] A reducer mechanism is disposed in the reducer housing 1 and is used for reducing speed during use; and

[0029] The drive axle mechanism is arranged in the rear axle case 8 to change the speed and torque from the reducer. The drive axle mechanism includes a driven bevel gear 7 and a driving bevel gear 10. The driven bevel gear 7 is rotatably connected to the rear axle case 8. A bearing 5 is rotatably connected in the rear axle case 8. The driving bevel gear 10 is fixedly connected to one end of the bearing 5, and the driving bevel gear 10 and the driven bevel gear 7 are meshed with each other.

[0030] In this embodiment: the rear axle case 8 and the reducer case 1 are integrally formed, and reinforcing ribs are provided inside to ensure the strength of the overall structure. The reducer mechanism is divided into two states with and without differentials according to needs. The driven bevel gear 7 and the driving bevel gear 10 transmit the power of the reducer mechanism to the outside for output to ensure use.

[0031] Specifically, the reducer mechanism includes:

[0032] An input component, disposed in the reducer housing 1, for inputting power from the motor; and

[0033] The transmission component is arranged in the reducer housing 1, and is connected to the input component, and the transmission component is connected to the bearing 5 for power transmission of the input component.

[0034] In this embodiment: the input component and the transmission component cooperate with each other to ensure the use of the drive axle mechanism.

[0035] Specifically, the input component includes an input shaft 9 and a pinion gear 3 . The input shaft 9 is rotatably connected to the reducer housing 1 , and the pinion gear 3 is fixedly connected to one end of the input shaft 9 .

[0036] In this embodiment: the input shaft 9 is connected to the motor so that the power is transmitted to the pinion 3 to achieve the use effect.

[0037] Specifically, the transmission component includes a transmission gear 4 and a large gear 6. The transmission gear 4 is rotatably connected to the reducer housing 1, and the transmission gear 4 is meshed with the small gear 3. The large gear 6 is fixedly connected to the bearing 5, and the large gear 6 is meshed with the transmission gear 4.

[0038] In this embodiment, the transmission gear 4 and the large gear 6 cooperate with each other to reduce the power and ensure the use effect.

[0039] Specifically, one side of the outer surface of the reducer housing 1 is fixedly connected to the reducer housing cover 2 by bolts, and one side of the outer surface of the rear axle housing 8 is fixedly connected to the rear axle housing cover 11 by bolts.

[0040] In this embodiment: the reducer case cover 2 and the rear axle case cover 11 ensure the sealing of the rear axle case 8 and the reducer case 1, thereby improving the use effect.

[0041] When in use, the engine power output is input into the active bevel gear 10 after passing through the AT / CVT transmission. The input power rotates the small gear 3 through the input shaft 9, and transmits the power to the transmission gear 4 and the large gear 6, so that the bearing 5 drives the active bevel gear 10 to rotate, and then passes through the driven bevel gear 7 to output to the wheels, realizing the fuel power mode engine power disconnection, and the motor power is transmitted to the drive axle mechanism after passing through the reducer mechanism and then output to the wheels, realizing the pure electric mode, fuel power and electric power mode working at the same time, realizing the hybrid power mode.

[0042] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0043] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. One-piece housing reducer, characterized in that: include: A reducer housing (1) having a rear axle housing (8) at the bottom; A reducer mechanism is arranged in the reducer housing (1) and is used for reducing speed during use; as well as A drive axle mechanism is arranged in a rear axle case (8) and is used to change the rotation speed and torque from a reducer. The drive axle mechanism comprises a driven bevel gear (7) and a driving bevel gear (10). The driven bevel gear (7) is rotatably connected to the rear axle case (8). A bearing (5) is rotatably connected to the rear axle case (8). The driving bevel gear (10) is fixedly connected to one end of the bearing (5), and the driving bevel gear (10) and the driven bevel gear (7) are meshed with each other.

2. The one-piece housing reducer according to claim 1, characterized in that: The reducer mechanism comprises: An input component is arranged in the reducer housing (1) and is used for inputting power from the motor; and The transmission component is arranged in the reducer housing (1), the transmission component is connected to the input component, and the transmission component is connected to the bearing (5) for power transmission of the input component.

3. The one-piece housing reducer according to claim 2, characterized in that: The input component comprises an input shaft (9) and a pinion gear (3); the input shaft (9) is rotatably connected to the reducer housing (1); and the pinion gear (3) is fixedly connected to one end of the input shaft (9).

4. The one-piece housing reducer according to claim 3, characterized in that: The transmission component comprises a transmission gear (4) and a large gear (6); the transmission gear (4) is rotatably connected to the reducer housing (1), and the transmission gear (4) and the small gear (3) are meshed with each other; the large gear (6) is fixedly connected to the bearing (5), and the large gear (6) and the transmission gear (4) are meshed with each other.

5. The one-piece housing reducer according to claim 4, characterized in that: One side of the outer surface of the reducer case (1) is fixedly connected to a reducer case cover (2) by means of bolts, and one side of the outer surface of the rear axle case (8) is fixedly connected to a rear axle case cover (11) by means of bolts.

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