CN113291151A

CN113291151A - Drive axle of integrated input shaft position variable reduction gearbox for snow sweeper

Info

Publication number: CN113291151A
Application number: CN202110771845.0A
Authority: CN
Inventors: 宋焱; 于英; 田晋跃
Original assignee: Jiangsu Tianjia Intelligent Equipment Co ltd; Tianjia Intelligent Equipment Manufacturing Jiangsu Co ltd
Current assignee: Jiangsu Tianjia Intelligent Equipment Co ltd; Tianjia Intelligent Equipment Manufacturing Jiangsu Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-08-24

Abstract

The invention relates to the technical field of special-purpose vehicles, in particular to a drive axle with an integrated input shaft position variable reduction box for snow removal vehicles, comprising an axle housing and a reduction box body, wherein an input gear is arranged inside the reduction box box. , Input flange, output shaft, intermediate gear shaft, support bearing, output shaft, output gear, the left half shaft, differential gear, main drive passive gear and right half shaft are arranged inside the axle housing, and the power passes through the input flange. Enter into the box of the reduction box, and then the input gear, intermediate gear shaft, output shaft, and output gear enter the differential axle housing. The pinion bevel gear on the output shaft in the axle housing drives the main drive and the passive gear, and transmits the power to the differential. and finally to the left half shaft and the right half shaft. In the present invention, the distance between the input shaft and the output shaft of the reduction box is reduced, which can increase the installation space of the working device and reduce the offset angle of the transmission shaft. The vibration of the transmission system increases the service life of the transmission shaft.

Description

Drive axle of integrated input shaft position variable reduction gearbox for snow sweeper

Technical Field

The invention relates to the technical field of special automobiles, in particular to a drive axle of an integrated input shaft position variable reduction gearbox for a snow sweeper.

Background

The large-scale special vehicle requires a vehicle middle part to install the operation device, needs a larger installation space below a vehicle frame, increases the wheel base as much as possible, ensures the operation space of the operation device, and simultaneously, in order to improve the driving force of the vehicle, a vehicle chassis usually adopts four-wheel drive, which brings difficulty to the whole vehicle arrangement and the design of a transmission system. At present, mature chassis is mostly selected for large-scale special vehicles, and the technical performance indexes of high-performance special vehicles are difficult to achieve. The invention provides a drive axle integrated with a reduction gearbox with a variable input shaft position, which meets the operation requirements of large special vehicles.

The patent with the application number of CN207161684U describes a drive axle reduction box, wherein the size of an opening at the bottom of a reduction box shell is larger than the diameter of a driving gear, the driving gear can be arranged in the reduction box shell from bottom to top, an opening does not need to be arranged at the upper part of the reduction box shell, and a box cover does not need to be arranged, so that the structure of the reduction box is simplified, and the assembly of the reduction box is convenient; the size range of the optional driving gear is large, and finally the reduction gearbox can form a reduction ratio in a large range. This patent is mainly through improving the structure of axle housing, has increased the space that utilizes of axle housing, and the size of final drive driven gear can increase, can improve final drive's velocity ratio.

A drive axle assembly with a secondary reduction gear is described in patent application No. CN 110843517 a. Bolt and ring flange fixed connection are passed through to the one end of reduction gear, bolt fixed mounting is passed through to the one end of ring flange has the motor, the motor rotates with the first pivot in the reduction gear and is connected, the motor drives first pivot and rotates, first pivot is with power transmission to the second pivot, and in carrying the differential mechanism with power through the second pivot, drive first semi-axis and second semi-axis through fourth gear and sixth gear promptly and rotate, make first semi-axis and second semi-axis drive wheel hub and brake disc rotate, thereby reach the speed reduction and increase the torsion, power transmission's purpose. The type of patent is quite multiple at present, has the same structure, is fully used for electric vehicles, is the development trend of electric vehicle axles, but is difficult to be applied to traditional internal combustion engine automobiles.

Application number is CN 206954008U's patent describes a vapour drags all-in-one actuating system, including frame body, power supply, reducing gear box and transfer case, wherein the frame body includes preceding frame and back frame, the preceding drive axle of automobile body set up in on the preceding frame, the back drive axle of automobile body set up in on the back frame, power supply, reducing gear box and transfer case all set firmly in the front frame and connect gradually, the first output shaft of transfer case passes through the agricultural implement connecting axle and is connected with the agricultural implement on the car, the second output shaft of transfer case passes through the front axle connecting axle and is connected with the front drive axle, the third output shaft of transfer case passes through the rear axle telescopic shaft and is connected with the back drive axle, just the rear axle telescopic shaft is flexible along with the frame body. The patent is mainly used for agricultural machinery, realizes 4-wheel drive, but the structure can not realize large modification space in the middle of the vehicle, and is difficult to be applied to large-scale special vehicles.

Patent application No. CN201921856068.4 describes a drive axle for a work machine for an electric vehicle, employing a dual motor mechanism, with output through spur gears to a differential. The drive axle has spur gear main transmission running. The patent is mainly used for electric motor vehicles in factories, the structure cannot realize large modification space in the middle of the vehicle, and the application to large special vehicles is difficult.

A drive axle assembly and a vehicle are described in patent application No. CN112440618A, the drive axle assembly including: the transmission shaft is provided with a driving bevel gear; a shell of the differential is provided with a driven bevel gear and a wheel-side reducer which are meshed with a driving bevel gear. The hub reduction gear includes: the asteroid train includes: a small sun gear, a small planet carrier and a small gear ring; the large planetary gear train includes: a large sun gear, a large planet carrier and a large gear ring; the small planetary gear train and the large planetary gear train are coaxially and radially arranged, and the power input end of the large planetary gear train and the power output end of the small planetary gear train are at least partially overlapped in the radial direction. The patent is mainly used for electric automobiles, has wheel-side driving and larger speed ratio, and is difficult to meet the refitting requirement and the high-speed transition requirement of large special vehicle working devices.

An electric axle is described in patent application No. CN 107428234B. The electric axle includes an electric motor selectively connected to the differential via a reduction gear and a planetary gear set having one input and two outputs, the electric axle further including a speed change mechanism configured to selectively connect the differential housing to one of the outputs. The patent is mainly used for electric automobiles, and is difficult to meet the refitting requirement and the high-speed transition requirement of large special vehicle working devices.

Aiming at the problems, the drive axle of the integrated input shaft position variable reduction gearbox for the special vehicle adopts the gear reduction gearbox, the input shaft of the reduction gearbox and the output shaft have a certain reduction distance, the installation direction can be changed as required, the drive axle is integrated, the space for installing the operation device in the middle of the vehicle chassis and the operation space are ensured, the operation transmission efficiency is high, and the operation requirements of the special vehicle are met.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a drive axle of an integrated input shaft position variable reduction box for a snow sweeper.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a transaxle for integrated input shaft position variable reduction box of snow sweeper, includes axle housing and reduction box, the inside of reduction box is provided with input gear, input flange, output shaft, intermediate gear axle, support bearing, output shaft, output gear, and the inside of axle housing is provided with left semi-axis, differential mechanism, main drive driven gear and right semi-axis, and wherein power passes through input flange and gets into in the reduction box, again by input gear, intermediate gear axle, output shaft, output gear get into in the differential mechanism axle housing, the little bevel gear on the output shaft drives main drive driven gear in the axle housing, passes to differential mechanism, finally to left semi-axis and right semi-axis.

Preferably, the drive axle is designed with a main transmission gear transmission system to change the output power from the longitudinal direction to the transverse direction.

Preferably, when the driving axle is installed on a vehicle, the main components on the vehicle include: the power of the gearbox output transmission shaft enters the reduction box body through the input flange.

Preferably, when the drive axle is installed on a vehicle, the cab is arranged at the front end of the frame, the engine is also fixedly installed at the front end of the frame, an output shaft of the engine is connected with an input end of the transmission, an output end of the transmission is connected with an input end of the transfer case through an output transmission shaft of the transmission, one end of the transfer case is connected with a front axle of the integrated reduction gearbox through a front axle transmission shaft, and the other end of the transfer case is connected with a rear axle of the integrated reduction gearbox through a rear axle transmission shaft.

Preferably, the front axle of the integrated reduction gearbox transmits power to the tire, and the rear axle of the integrated reduction gearbox transmits power to the tire.

Preferably, the reduction gearbox body is further provided with a mounting bolt.

The invention has the beneficial effects that:

1. in the invention, the reduction gearbox and the drive axle are integrated, the wheel axle distance is reduced, and the maneuvering performance of the vehicle for low-speed steering is improved.

2. In the invention, a main transmission gear transmission system is designed to realize the change of the direction of power output, and the power is changed from the longitudinal direction to the transverse direction.

3. According to the invention, the distance between the input shaft and the output shaft of the reduction gearbox is reduced, the size can increase the installation space of the working device, and simultaneously, the offset angle of the transmission shaft is reduced, the vibration of a transmission system is reduced, and the service life of the transmission shaft is prolonged.

Drawings

FIG. 1 is a schematic front view of a drive axle of an integrated input shaft position variable reduction gearbox for a snow sweeper in accordance with the present invention;

FIG. 2 is an installation schematic diagram of a drive axle of the integrated input shaft position variable reduction box for the snow sweeper provided by the invention.

In the figure: 1 axle housing, 2 left half axles, 3 differentials, 4 driving and driven gears, 5 input gears, 6 input flanges, 7 output shafts, 8 intermediate gear shafts, 9 supporting bearings, 10 output shafts, 11 output gears, 12 reduction gearbox bodies, 13 mounting bolts, 14 right half axles, 15 cab, 16 engine, 17 transmission, 18 front axle of integrated reduction gearbox, 19 front axle transmission shaft, 20 transmission output transmission shaft, 21 transfer case, 22 rear axle transmission shaft, 23 rear axle of integrated reduction gearbox, and 24 frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a drive axle of an integrated input shaft position variable reduction gearbox for a snow sweeper comprises an axle housing 1 and a reduction gearbox box 12, wherein an input gear 5, an input flange 6, an output shaft 7, an intermediate gear shaft 8, a support bearing 9, an output shaft 10 and an output gear 11 are arranged inside the reduction gearbox box 12, a left half shaft 2, a differential 3, a main drive driven gear 4 and a right half shaft 14 are arranged inside the axle housing 1, power enters the reduction gearbox box 12 through the input flange 6, then enters the differential axle housing 1 through the input gear 5, the intermediate gear shaft 8, the output shaft 10 and the output gear 11, a small bevel gear on the output shaft 10 inside the axle housing 1 drives the main drive driven gear 4 to transmit the power to the differential 3, and finally reaches the left half shaft 2 and the right half shaft 14.

Further, the drive axle is designed with a main transmission gear transmission system to change the output power from the longitudinal direction to the transverse direction.

Further, when the driving axle is installed on a vehicle, the main elements on the vehicle comprise: the power transmission system comprises a cab 15, an engine 16, a transmission 17, a front axle 18 of an integrated reduction gearbox, a front axle transmission shaft 19, a transmission output transmission shaft 20, a transfer case 21, a rear axle transmission shaft 22, a rear axle 23 of the integrated reduction gearbox and a frame 24, wherein the power of the transmission output transmission shaft 20 enters a reduction gearbox box body 12 through an input flange 6.

Further, when the drive axle is installed on a vehicle, the cab 15 is arranged at the front end of the frame 24, the engine 16 is also fixedly installed at the front end of the frame 24, an output shaft of the engine 16 is connected with an input end of the transmission 17, an output end of the transmission 17 is connected with an input end of the transfer case 21 through a transmission output transmission shaft 20, one end of the transfer case 21 is connected with a front axle 18 of the integrated reduction gearbox through a front axle transmission shaft 19, and the other end of the transfer case 21 is connected with a rear axle 23 of the integrated reduction gearbox through a rear axle transmission shaft 22.

Further, the front axle 18 of the integrated reduction gearbox transfers power to the tyre, and the rear axle 23 of the integrated reduction gearbox transfers power to the tyre.

Further, the reduction gearbox body 12 is also provided with a mounting bolt 13.

In the embodiment, the reduction gearbox and the drive axle are integrated, the wheel axle distance is reduced, and the low-speed steering maneuvering performance of the vehicle is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A drive axle for an integrated input shaft position variable reduction gear box for a snow removal vehicle, characterized in that it comprises an axle housing (1) and a reduction box case (12), wherein the reduction gear box (12) has a An input gear (5), an input flange (6), an output shaft (7), an intermediate gear shaft (8), a support bearing (9), an output shaft (10), an output gear (11), an axle housing ( 1) The left half shaft (2), the differential (3), the main drive passive gear (4) and the right half shaft (14) are arranged inside, and the power enters the reduction box body (1) through the input flange (6). 12), the input gear (5), the intermediate gear shaft (8), the output shaft (10), and the output gear (11) enter the differential axle housing (1), and the output shaft ( The pinion bevel gear on 10) drives the main drive and the passive gear (4), and transmits the power to the differential (3), and finally to the left half shaft (2) and the right half shaft (14).

2 . The drive axle of claim 1 , wherein the drive axle with integrated input shaft position variable reduction box for snow removal vehicles is characterized in that the drive axle is designed with a main drive gear train, which changes the output power from vertical to horizontal. 3 . .

3 . The drive axle with integrated input shaft position variable reduction box for snow removal vehicles according to claim 1 , wherein when the drive axle is installed on a vehicle, the main components on the vehicle include: driving Chamber (15), engine (16), transmission (17), front axle with integrated reduction box (18), front axle drive shaft (19), transmission output drive shaft (20), transfer case (21), rear axle The transmission shaft (22), the rear axle (23) integrating the reduction box and the frame (24), wherein the power of the transmission output transmission shaft (20) enters the reduction box casing (12) through the input flange (6).

4. A drive axle with an integrated input shaft position variable reduction box for a snow removal vehicle according to claim 3, characterized in that, when the drive axle is installed on the vehicle, the cab (15) is arranged on the vehicle frame The front end of (24), the engine (16) is also fixedly installed on the front end of the frame (24), the output shaft of the engine (16) is connected with the input end of the transmission (17), and the output end of the transmission (17) is output through the transmission The transmission shaft (20) is connected with the input end of the transfer case (21), and one end of the transfer case (21) is connected with the front axle (18) of the integrated reduction box through the front axle transmission shaft (19). The other end of (21) is connected with the rear axle (23) of the integrated reduction box through the rear axle drive shaft (22).

5. A drive axle for an integrated input shaft position variable reduction gearbox for a snow removal vehicle according to claim 4, characterized in that the front axle (18) of the integrated gearbox transmits power to the tires, so The rear axle (23) with the integrated reduction box transmits the power to the tires.

6 . The drive axle of an integrated input shaft position variable reduction box for a snow removal vehicle according to claim 1 , wherein the reduction box body ( 12 ) is further provided with mounting bolts ( 13 ). 7 . .