CN217734187U

CN217734187U - Four-wheel direct drive device of skid steer loader

Info

Publication number: CN217734187U
Application number: CN202220952241.6U
Authority: CN
Inventors: 黄禄辉; 王昌耀; 莫有瑜; 谭俊; 郑进锋; 施军; 宾文
Original assignee: Guangxi Yuchai Heavy Industry Co Ltd
Current assignee: Guangxi Yuchai Heavy Industry Co Ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-11-04
Anticipated expiration: 2032-04-22

Abstract

The utility model discloses a skid steer loader four-wheel directly drives device belongs to skid steer loader drive arrangement field, solves four wheels of mechanism transmission such as chain drive of current skid steer loader's drive motor and leads to the structure to be difficult to the problem of rational layout. It includes automobile body and four wheels, still includes four drive assembly that independently set up, four drive assembly all install on the automobile body, and every drive assembly all correspond and connect a wheel, drive assembly include driving motor and speed reducer, driving motor's output is connected with the input of speed reducer, the output and the wheel connection of speed reducer. The utility model discloses a skid steer loader four-wheel directly drives device has simplified train drive structure for spatial arrangement is more reasonable, and transmission efficiency is higher.

Description

Four-wheel direct drive device of skid steer loader

Technical Field

The utility model relates to a skid steer loader drive arrangement, more specifically say that it relates to a skid steer loader four-wheel directly drives device.

Background

The skid steer loader is a miniature slippage type loader with smaller volume, and is mainly used for occasions with narrow operation places, uneven bottom surface and frequent operation content change. Currently, the skid steer loader usually adopts an axle driving mode, namely 2 electric motors/hydraulic motors → 2 driving wheels → 4 chains → front and rear driven wheels → front and rear half shafts → front and rear tires. The axle structure comprises a driving wheel, a driven wheel, a chain, an axle box body, a half shaft and other parts and a transmission system, a large layout space is needed, for a miniature skid-steer loader, the layout space is limited, the arrangement of the axle structure of a wheel train is not facilitated, the assembly process of the whole machine is long, and the maintenance cost is high. Therefore, the development and design of a four-wheel direct drive device special for the skid steer loader are needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provides a skid steer loader four-wheel and directly drives device, has simplified train drive structure for spatial arrangement is more reasonable, and transmission efficiency is higher.

The technical scheme of the utility model is like this: the four-wheel direct drive device of the skid steer loader comprises a vehicle body, four wheels and four drive assemblies, wherein the four drive assemblies are independently arranged and are installed on the vehicle body, each drive assembly is correspondingly connected with one wheel, each drive assembly comprises a drive motor and a speed reducer, the output end of each drive motor is connected with the input end of each speed reducer, and the output end of each speed reducer is connected with the corresponding wheel.

As a further improvement, the driving motor is an electric motor.

Further, the speed reducer is a planetary gear speed reducer.

Further, the driving motor is fixed on the inner side of the bottom of the vehicle body, and the speed reducer is fixed on the outer side of the bottom of the vehicle body.

Further, the output end of the speed reducer penetrates through the center of the wheel.

Furthermore, two ends of the speed reducer are respectively connected with the vehicle body and the wheels through connecting flanges.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

1. the utility model discloses a skid steer loader four-wheel directly drives device, through set up a drive assembly respectively on the automobile body that every wheel corresponds, four drive assembly independent drive four wheels, form the four-wheel and directly drive the structure, need not to utilize the axle structure, the drive chain case has been saved, the sprocket, the complicated part of axle and semi-axis isotructure, spare part manufacturing and assembly process flow simplify more, the direct mount, easily install and remove, the cost is lower, the train drive structure has been simplified, make spatial arrangement more reasonable, compact, automobile body space utilization is higher, transmission efficiency is higher, it is more convenient to maintain.

2. The four-wheel direct drive device of the skid steer loader comprises the drive assembly consisting of the drive motor and the speed reducer, wherein the drive motor drives the wheels through the speed reducer, so that the revolution number of the drive motor can be reduced to a desired revolution number, a larger torque is obtained, and the wheels can be driven more conveniently; and compare in driving motor direct drive wheel, can effectively reduce driving motor's load, reduce the risk of driving motor damage, reduce the maintenance cost simultaneously.

3. The four-wheel direct drive device of the skid steer loader has the advantages that the drive motor is the motor, compared with a hydraulic motor, the four-wheel direct drive device is higher in energy utilization rate, more excellent in control logic and smaller in occupied space; and the speed reducer is a planetary gear speed reducer, so that the size of the speed reducer is effectively reduced, the weight is light, the bearing capacity is strong, the reliability is high, the operation is stable, the noise is low, the speed ratio selectable range is large, and the speed reducer is very suitable for a miniature skid steer loader.

Drawings

Fig. 1 is a schematic top view of the present invention;

fig. 2 is an enlarged schematic view of a top view structure of one of the wheels of the present invention;

fig. 3 is a schematic structural view of the present invention.

Wherein: 1-vehicle body, 2-wheel, 3-driving motor, 4-speed reducer and 5-connecting flange.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-3, the utility model discloses a skid steer loader four-wheel direct drive device, including automobile body 1 and four wheels 2, still include four independent settings's drive assembly, four drive assembly all install on automobile body 1, and each drive assembly all corresponds and connects a wheel 2, realize four wheel independent drive, drive assembly includes driving motor 3 and speed reducer 4, wherein, driving motor 3's output is connected with the input of speed reducer 4, the output of speed reducer 4 is connected with wheel 2, its drive assembly comprises driving motor 3 and speed reducer 4, driving motor 3 drives wheel 2 through speed reducer 4, can reduce driving motor 3's revolution number to the desired revolution number, obtain bigger torque, be favorable to driving wheel 2 more; and compare in drive motor 3 direct drive wheel 2, can effectively reduce drive motor 3's load, reduce the risk that drive motor 3 damaged, reduce the maintenance cost simultaneously.

The utility model discloses a skid steer loader four-wheel directly drives device, through 1 set up a drive assembly respectively on the automobile body that every wheel 2 corresponds, four drive assembly independent drive wheels 2, form the four-wheel and directly drive the structure, need not to utilize the axle structure, the drive chain case has been saved, the sprocket, the complicated part of structures such as axle and semi-axis, spare part manufacturing and assembly process flow are more simplified, the direct mount, easily install and remove, the cost is lower, the train drive structure has been simplified, make spatial arrangement more reasonable, it is compact, automobile body space utilization is higher, transmission efficiency is higher, it is more convenient to maintain.

Preferably, the driving motor 3 is an electric motor, which has a higher energy utilization rate, better control logic and a smaller occupied space compared with a hydraulic motor.

Preferably, the speed reducer 4 is a planetary gear speed reducer consisting of a sun gear, a planet gear and an outer ring, the size of the speed reducer is effectively reduced, the weight is light, the bearing capacity is high, the reliability is high, the operation is stable, the noise is low, the speed ratio selectable range is large, and the speed reducer is very suitable for a miniature skid loader.

Preferably, the driving motor 3 is fixed on the inner side of the bottom of the vehicle body 1, and the speed reducer 4 is fixed on the outer side of the bottom of the vehicle body 1, so that the arrangement mode of the driving motor 3 and the speed reducer 4 is reasonably optimized. Furthermore, the output end of the speed reducer 4 penetrates through the center of the wheel 2, so that the connection reliability between the wheel 2 and the output end of the speed reducer 4 is improved. Furthermore, two ends of the speed reducer 4 are respectively connected with the vehicle body 1 and the wheels 2 through the connecting flanges 5, so that the speed reducer is convenient to disassemble, assemble and maintain.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. The four-wheel direct drive device of the skid steer loader comprises a vehicle body (1) and four wheels (2), and is characterized by further comprising four independently arranged drive assemblies, wherein the four drive assemblies are installed on the vehicle body (1), each drive assembly is correspondingly connected with one wheel (2), each drive assembly comprises a drive motor (3) and a speed reducer (4), the output end of the drive motor (3) is connected with the input end of the speed reducer (4), and the output end of the speed reducer (4) is connected with the wheels (2).

2. The four-wheel direct drive device of the skid steer loader as recited in claim 1, wherein said drive motor (3) is an electric motor.

3. The four-wheel direct drive device of the skid steer loader as claimed in claim 1, wherein the reducer (4) is a planetary gear reducer.

4. The four-wheel direct drive device of the skid steer loader according to claim 1, 2 or 3, wherein the drive motor (3) is fixed on the inner side of the bottom of the vehicle body (1), and the reducer (4) is fixed on the outer side of the bottom of the vehicle body (1).

5. The four-wheel direct drive device of the skid steer loader according to claim 4, wherein the output end of the speed reducer (4) penetrates through the center of the wheel (2).

6. The four-wheel direct drive device of the skid steer loader according to claim 4, wherein two ends of the speed reducer (4) are respectively connected with the vehicle body (1) and the wheels (2) through connecting flanges (5).