CN-224224837-U - Outdoor work vehicle and drive axle system

CN224224837UCN 224224837 UCN224224837 UCN 224224837UCN-224224837-U

Abstract

The application discloses an outdoor working vehicle and a driving axle system, wherein the outdoor working vehicle comprises a frame, a working assembly, a power supply system, a vehicle power supply, a controller and a driving axle assembly, the left driving axle assembly and the right driving axle assembly are mechanically connected with a driving motor and a driving wheel, the left driving axle assembly and the right driving axle assembly comprise a first shell and a second shell, the first shell of the left driving axle assembly is positioned above the second shell, the second shell of the right driving axle assembly is positioned above the first shell, a plurality of gears capable of meshed transmission are arranged in the shells of the left driving axle assembly and the right driving axle assembly, and at least two gears in each of the left driving axle assembly and the right driving axle assembly can be switched between a meshed state and a separated state. The left drive axle component and the right drive axle component share the shell, so that the production cost can be saved.

Inventors

YU WANZHAO
XU RUI
ZHANG SHENGWEN

Assignees

江苏东成园林机械有限公司

Dates

Publication Date: 20260512
Application Date: 20250528

Claims (10)

1. An outdoor work vehicle, comprising: A frame; A work assembly detachably mounted to the frame and configured to perform an outdoor work; A power supply system mounted to the frame and configured to supply power to the outdoor work vehicle; a controller secured to the frame and configured to control travel of at least the outdoor work vehicle; The driving axle assembly comprises a left driving axle assembly and a right driving axle assembly, and the left driving axle assembly and the right driving axle assembly are mechanically connected with a driving motor and a driving wheel; The left drive axle assembly and the right drive axle assembly both comprise a first shell and a second shell, the first shell of the left drive axle assembly is positioned above the second shell, and the second shell of the right drive axle assembly is positioned above the first shell; The left drive axle assembly and the right drive axle assembly comprise a plurality of gears capable of meshing transmission in the shell, and at least two gears in each of the left drive axle assembly and the right drive axle assembly can be switched between a meshing state and a separation state.
2. The outdoor work vehicle of claim 1, further comprising two gear shifting devices, one configured to be coupled to a first housing of the left drive axle assembly and the other configured to be coupled to a second housing of the right drive axle assembly, each gear shifting device being capable of driving a gear within the left or right drive axle assembly in which it is located to move and engage or disengage with an adjacent gear.
3. The outdoor work vehicle of claim 2, wherein the first housing of the left drive axle assembly and the second housing of the right drive axle assembly are each provided with a mounting hole communicating an interior and an exterior of the housing; The gear switching device comprises a connecting shaft arranged in the mounting hole, an operating handle connected to the connecting shaft and an intermediate assembly, wherein the intermediate assembly can be connected with one gear in a shell where the intermediate assembly is arranged, the connecting shaft can drive the intermediate assembly to act under the driving of the operating handle, and the gear connected with the intermediate assembly is driven to be close to or far away from the other gear adjacent to the intermediate assembly.
4. The outdoor work vehicle of claim 3, wherein the first housing of the left drive axle assembly and the second housing of the right drive axle assembly are provided with mounting holes for communicating the inside and the outside of the housing, an inner lining member is arranged in the mounting holes, and the connecting shaft is arranged in the inner lining member and can perform rotary motion or axial motion in the inner lining member.
5. The outdoor work vehicle according to claim 4, wherein a seal ring for sealing a gap between the inner lining and the connecting shaft is provided between the inner lining and the connecting shaft.
6. The outdoor work vehicle according to claim 3, wherein an elastic member is provided between the first housing or the second housing and the corresponding operation handle, and the elastic member is capable of applying a force to the operation handle to keep the two gears in the left drive axle assembly or the right drive axle assembly engaged or separated.
7. The outdoor work vehicle according to claim 3, wherein at least one of the first housing of the left transaxle assembly and the second housing of the right transaxle assembly is provided with a first sensing element, the operation handle on the first housing or the second housing corresponding to the first sensing element is provided with a second sensing element, the first sensing element and the second sensing element are in signal sensing connection, and at least one of the first sensing element and the second sensing element is in signal connection with the controller.
8. An outdoor work vehicle, comprising: A frame; A riding mechanism arranged on the frame and configured to be ridden by a user; A work assembly detachably mounted to the frame and configured to perform an outdoor work; The driving axle assembly comprises a left driving axle assembly and a right driving axle assembly, and the left driving axle assembly and the right driving axle assembly are mechanically connected with a driving motor and a driving wheel; The left drive axle assembly and the right drive axle assembly both comprise a first shell and a second shell, the first shell of the left drive axle assembly is positioned above the second shell, and the second shell of the right drive axle assembly is positioned above the first shell; The shell of the left drive axle assembly and the shell of the right drive axle assembly are internally provided with a plurality of gears capable of meshing transmission, and at least two gears in each of the left drive axle assembly and the right drive axle assembly can be meshed or separated; And two gear switching devices, one of which is configured to be connected to the first shell of the left drive axle assembly and the other of which is configured to be connected to the second shell of the right drive axle assembly, each gear switching device being capable of driving a gear in the left drive axle assembly or the right drive axle assembly where the gear switching device is positioned to move and switch between an engaged state and a disengaged state with a gear adjacent to the gear, wherein the gear switching device is at least partially positioned right below the riding mechanism.
9. The outdoor work vehicle of claim 8, wherein the first housing of the left drive axle assembly and the second housing of the right drive axle assembly are each provided with a mounting hole communicating between the inside and the outside of the housing; The gear switching device comprises a connecting shaft arranged in the mounting hole, an operating handle connected to the connecting shaft and an intermediate assembly, wherein the intermediate assembly can be connected with one gear in a shell where the intermediate assembly is arranged, and the connecting shaft can drive the intermediate assembly to act under the driving of the operating handle and drive the gear connected with the intermediate assembly to be close to or far away from the other gear adjacent to the intermediate assembly.
10. A drive axle system, comprising: A drive axle assembly comprising a left drive axle assembly and a right drive axle assembly, both configured to mechanically connect to a drive wheel; The left drive axle assembly and the right drive axle assembly both comprise a first shell and a second shell, the first shell of the left drive axle assembly is positioned above the second shell, and the second shell of the right drive axle assembly is positioned above the first shell; The left drive axle assembly and the right drive axle assembly comprise a plurality of gears capable of meshing transmission in the shell, and at least two gears in each of the left drive axle assembly and the right drive axle assembly can be switched between a meshing state and a separation state.

Description

Outdoor work vehicle and drive axle system [ Technical field ] The application relates to the technical field of vehicle drive axles, in particular to an outdoor operation vehicle and a drive axle system. [ Background Art ] In the existing outdoor working vehicle, the power of a driving motor is transmitted to a driving wheel through a driving axle assembly so as to run on the ground for working. Most outdoor operation vehicles comprise two driving wheels, each driving wheel is matched with a driving axle assembly and is respectively arranged at two sides of the vehicle, and because the driving axle assemblies at two sides of the vehicle are symmetrically arranged, the driving axle assemblies at two sides of the vehicle are different in structure, the number and complexity of dies for manufacturing the left driving axle assembly and the right driving axle assembly are increased, and the production and assembly cost of the left driving axle assembly and the right driving axle assembly are further increased. In view of the foregoing, it is desirable to provide an improved outdoor work vehicle that overcomes the shortcomings of the prior art. [ Summary of the utility model ] Aiming at the defects of the prior art, the application aims to provide an outdoor operation vehicle and a drive axle system capable of saving the production cost of a left drive axle and a right drive axle. The technical scheme adopted by the application for solving the problems in the prior art is that the outdoor operation vehicle comprises: A frame; A work assembly detachably mounted to the frame and configured to perform an outdoor work; A power supply system mounted to the frame and configured to supply power to the outdoor work vehicle; a controller secured to the frame and configured to control travel of at least the outdoor work vehicle; The driving axle assembly comprises a left driving axle assembly and a right driving axle assembly, and the left driving axle assembly and the right driving axle assembly are mechanically connected with a driving motor and a driving wheel; The left drive axle assembly and the right drive axle assembly both comprise a first shell and a second shell, the first shell of the left drive axle assembly is positioned above the second shell, and the second shell of the right drive axle assembly is positioned above the first shell; The left drive axle assembly and the right drive axle assembly comprise a plurality of gears capable of meshing transmission in the shell, and at least two gears in each of the left drive axle assembly and the right drive axle assembly can be switched between a meshing state and a separation state. In some embodiments, the gear shifting device further comprises two gear shifting devices, one is configured to be connected to the first shell of the left drive axle assembly, the other is configured to be connected to the second shell of the right drive axle assembly, and each gear shifting device can drive gears in the left drive axle assembly or the right drive axle assembly to move and engage or disengage with gears adjacent to the gears. In some embodiments, the first shell of the left drive axle assembly and the second shell of the right drive axle assembly are provided with mounting holes for communicating the inside and the outside of the shells; The gear switching device comprises a connecting shaft arranged in the mounting hole, an operating handle connected to the connecting shaft and an intermediate assembly, wherein the intermediate assembly can be connected with one gear in a shell where the intermediate assembly is arranged, the connecting shaft can drive the intermediate assembly to act under the driving of the operating handle, and the gear connected with the intermediate assembly is driven to be close to or far away from the other gear adjacent to the intermediate assembly. In some embodiments, the first shell of the left drive axle assembly and the second shell of the right drive axle assembly are respectively provided with a mounting hole communicated with the inside and the outside of the shell, a lining member is arranged in the mounting holes, and the connecting shaft is arranged in the lining member and can perform rotary motion or axial movement in the lining member. In some embodiments, a sealing ring is arranged between the lining piece and the connecting shaft for sealing a gap between the lining piece and the connecting shaft. In some embodiments, an elastic member is disposed between the first housing or the second housing and the corresponding operating handle, and the elastic member can apply a force to the operating handle to keep the two gears in the left drive axle assembly or the right drive axle assembly engaged or separated. In some embodiments, at least one of the first housing of the left drive axle assembly and the second housing of the right drive axle assembly is provided with a first sensing element, the first housing or the operating handle