CN212267216U - A drive system of a wheeled walking mechanism - Google Patents
A drive system of a wheeled walking mechanism Download PDFInfo
- Publication number
- CN212267216U CN212267216U CN202020659666.9U CN202020659666U CN212267216U CN 212267216 U CN212267216 U CN 212267216U CN 202020659666 U CN202020659666 U CN 202020659666U CN 212267216 U CN212267216 U CN 212267216U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 239000003638 chemical reducing agent Substances 0.000 claims description 26
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
本实用新型涉及轮式行走机构技术领域，具体是一种轮式行走机构的驱动系统，包括前驱动桥、后驱动桥和双出轴变频电机，所述双出轴变频电机包括同轴设置的前输出轴和后输出轴，所述前输出轴通过前传动轴与前驱动桥连接，所述后输出轴通过后传动轴与后驱动桥连接。本实用新型的轮式行走机构的驱动系统，通过双出轴变频电机直接驱动前驱动桥和后驱动桥，省去变速箱、变矩器，以提高传动效率，简化结构，降低制造成本和维保成本。
The utility model relates to the technical field of wheeled traveling mechanisms, in particular to a drive system of a wheeled traveling mechanism, comprising a front drive axle, a rear drive axle and a double-shaft variable-frequency motor, wherein the double-shaft variable-frequency motor comprises a coaxially arranged variable frequency motor. A front output shaft and a rear output shaft, the front output shaft is connected with the front drive axle through the front drive shaft, and the rear output shaft is connected with the rear drive axle through the rear drive shaft. The driving system of the wheeled traveling mechanism of the utility model directly drives the front drive axle and the rear drive axle through the double-output shaft variable frequency motor, eliminating the need for a gearbox and a torque converter, so as to improve the transmission efficiency, simplify the structure, and reduce the manufacturing cost and maintenance. Guaranteed cost.
Description
Technical Field
The utility model relates to a wheeled running gear technical field specifically is a wheeled running gear's actuating system.
Background
The running mechanism is also called as a walking mechanism, is a part of chassis of automobiles, tractors, loaders and the like, generally comprises a frame, a front axle, a rear axle, a suspension system, wheels and other structures, and the part of the running mechanism directly contacting with the road surface is the wheels, which is called as a wheel running mechanism.
Currently, non-renewable resources such as petroleum energy and the like face the threat of exhaustion, the environmental pollution is more serious, and the existing wheel-type travelling mechanism mostly uses fuel oil as power, so the environmental pollution is serious, and along with the increasingly strict requirements of the country on environmental protection, the wheel-type travelling mechanism using fuel oil as power cannot meet the requirements of energy conservation and environmental protection. As shown in fig. 1, the conventional fuel wheel type traveling mechanism includes an engine, a torque converter, a transmission case, a front drive axle, a rear drive axle, etc., and it can be seen that the conventional fuel wheel type traveling mechanism has the disadvantages of low transmission efficiency, complex structure, high cost, large self weight, high maintenance cost, high failure rate, etc. due to the need of the torque converter and the transmission case to realize multi-stage reduction transmission.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of above-mentioned prior art, provide a wheeled running gear's actuating system, through two play axle inverter motor direct drive front axle and rear drive axle, save gearbox, torque converter to improve transmission efficiency, simplify the structure, reduce manufacturing cost and dimension guarantor cost.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize: the utility model provides a wheeled running gear's actuating system, includes front drive axle, rear drive axle and two play axle inverter motor, two play axle inverter motor are including the preceding output shaft and the back output shaft of coaxial setting, preceding output shaft is connected with front drive axle through preceding transmission shaft, back output shaft passes through the back transmission shaft and is connected with rear drive axle.
The technical proposal of the utility model is also that: the front drive axle comprises a front axle main reducer drive bevel gear, and the front output shaft is connected with the front axle main reducer drive bevel gear through a front transmission shaft; the rear drive axle comprises a rear axle main reducer driving bevel gear, and the rear output shaft is connected with the rear axle main reducer driving bevel gear through a rear transmission shaft.
The technical proposal of the utility model is also that: the front drive axle also comprises a front axle main reducer driven bevel gear, a front axle differential, a front axle half shaft, a front axle wheel-side reducer and a front axle service brake; the rear drive axle also comprises a rear axle main reducer driven bevel gear, a rear axle differential mechanism, a rear axle half shaft, a rear axle wheel-side reducer and a rear axle service brake.
The technical proposal of the utility model is also that: the middle support mechanism comprises a middle support seat and a middle support shaft, and the middle support shaft is arranged on the middle support seat through a bearing; the front transmission shaft is longer than the rear transmission shaft and comprises a first front transmission shaft and a second front transmission shaft, the front output shaft is in splined connection with the front spline shaft sleeve, the front spline shaft sleeve is connected with a rear end flange of the first front transmission shaft, the front end of the first front transmission shaft is connected with a rear end flange of the middle support shaft, the front end of the middle support shaft is connected with a rear end flange of the second front transmission shaft, and the front end of the second front transmission shaft is connected with a rear end flange of the driving bevel gear of the front axle main reducer; the rear output shaft is in splined connection with the rear spline shaft sleeve, the rear spline shaft sleeve is in flange connection with the front end of the rear transmission shaft, and the rear end of the rear transmission shaft is in flange connection with the driving bevel gear of the rear axle main reducer. The structure that two play axle inverter motor install in frame rear is applicable to the whole car overall arrangement of electric loader, in order to prevent that preceding transmission shaft from drooping because of overlength, and then leading to spare part wearing and tearing, divide into first preceding transmission shaft and second preceding transmission shaft with preceding transmission shaft to support through intermediate strut mechanism.
The technical proposal of the utility model is also that: the first front transmission shaft, the second front transmission shaft and the rear transmission shaft are all universal couplings.
Compared with the prior art, the utility model discloses wheeled running gear's actuating system's beneficial effect does: the front drive axle and the rear drive axle are directly driven by the double-output-shaft variable frequency motor, and the rotating speed of the double-output-shaft variable frequency motor is adjusted by changing the frequency, so that a gearbox and a torque converter are omitted, the transmission efficiency is improved, the structure is simplified, and the manufacturing cost and the maintenance cost are reduced; in addition, the front output shaft and the rear output shaft of the double-output-shaft variable frequency motor are coaxial and are highly matched with the front transmission shaft and the rear transmission shaft which are coaxial, so that the double-output-shaft variable frequency motor can be connected to the front transmission shaft and the rear transmission shaft without an axle suspension box, the self weight of the vehicle is reduced, and the light weight of the vehicle is improved.
Drawings
Fig. 1 is a schematic configuration diagram of a conventional drive system for a wheeled traveling mechanism.
Fig. 2 is a schematic structural view of a drive system of the wheeled walking mechanism in the embodiment.
Fig. 3 is a top view of the double-output-shaft variable frequency motor in the embodiment.
Fig. 4 is a side view of the double-output-shaft variable frequency motor in the embodiment.
In the figure: 1. the system comprises an engine, 2, a torque converter, 3, a gearbox, 4, a front drive axle, 5, a rear drive axle, 6, a double-output-shaft variable frequency motor, 7, a front output shaft, 8, a rear output shaft, 9, a rear transmission shaft, 10, a front axle final drive bevel gear, 11, a rear axle final drive bevel gear, 12, a front axle final drive driven bevel gear, 13, a front axle differential, 14, a front axle half shaft, 15, a front axle hub reduction gear, 16, a front axle service brake, 17, a rear axle final drive bevel gear, 18, a rear axle differential, 19, a rear axle half shaft, 20, a rear axle hub reduction gear, 21, a rear axle service brake, 22, a front spline shaft sleeve, 23, a rear spline shaft sleeve, 24, an intermediate support seat, 25, an intermediate support shaft, 26, a first front transmission shaft, 27 and a second front transmission shaft.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the following further describes the embodiments of the present invention with reference to the attached drawings.
The drive system of the wheel type traveling mechanism of the present embodiment is applied to an electric loader.
As shown in fig. 1-4, a driving system of a wheel type traveling mechanism comprises a front drive axle 4, a rear drive axle 5, a double-output-shaft variable frequency motor 6, a front spline shaft sleeve 22, a rear spline shaft sleeve 23 and an intermediate supporting mechanism.
The double-output-shaft variable frequency motor 6 in the embodiment is a permanent magnet variable frequency synchronous motor and comprises a front output shaft 7 and a rear output shaft 8, wherein the front output shaft 7 and the rear output shaft 8 are coaxial with a rotor of the double-output-shaft variable frequency motor 6 and are respectively positioned at the front end and the rear end of the double-output-shaft variable frequency motor.
The front drive axle 4 comprises a front axle main reducer driving bevel gear 10, a front axle main reducer driven bevel gear 12, a front axle differential 13, a front axle half shaft 14, a front axle wheel reduction gear 15 and a front axle service brake 16. The rear drive axle 5 comprises a rear axle main reducer driving bevel gear 11, a rear axle main reducer driven bevel gear 17, a rear axle differential 18, a rear axle half shaft 19, a rear axle wheel-side reducer 20 and a rear axle service brake 21.
The middle supporting mechanism comprises a middle supporting seat 24 and a middle supporting shaft 25, and the middle supporting shaft 25 is installed on the middle supporting seat 24 through a bearing.
In order to be suitable for the whole vehicle layout of the electric loader, the double-output-shaft variable frequency motor 6 is arranged behind the vehicle frame, so that the length of the front transmission shaft is greater than that of the rear transmission shaft 9, and the front transmission shaft comprises a first front transmission shaft 26 and a second front transmission shaft 27.
The front output shaft 7 is in splined connection with a front spline shaft sleeve 22, the front spline shaft sleeve 22 is in flange connection with the rear end of a first front transmission shaft 26, the front end of the first front transmission shaft 26 is in flange connection with the rear end of a middle support shaft 25, the front end of the middle support shaft 25 is in flange connection with the rear end of a second front transmission shaft 27, and the front end of the second front transmission shaft 27 is in flange connection with the rear end of a front axle main reducer drive bevel gear 10.
In order to prevent the front propeller shaft from sagging due to an excessive length and causing abrasion of parts, the front propeller shaft is divided into a first front propeller shaft 26 and a second front propeller shaft 27, and is supported by an intermediate support mechanism.
The rear output shaft 8 is in splined connection with a rear spline shaft sleeve 23, the rear spline shaft sleeve 23 is in flange connection with the front end of a rear transmission shaft 9, and the rear end of the rear transmission shaft 9 is in flange connection with a driving bevel gear 11 of a rear axle main reducer.
The first front transmission shaft 26, the second front transmission shaft 27 and the rear transmission shaft 9 are all universal couplings.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659666.9U CN212267216U (en) | 2020-04-26 | 2020-04-26 | A drive system of a wheeled walking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020659666.9U CN212267216U (en) | 2020-04-26 | 2020-04-26 | A drive system of a wheeled walking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212267216U true CN212267216U (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020659666.9U Expired - Fee Related CN212267216U (en) | 2020-04-26 | 2020-04-26 | A drive system of a wheeled walking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212267216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693299A (en) * | 2021-03-12 | 2021-04-23 | 三一重型装备有限公司 | Power system, power system control method and vehicle |
| CN114228461A (en) * | 2021-12-22 | 2022-03-25 | 上海鑫国动力科技有限公司 | Power-assisted electric loader drive system |
-
2020
- 2020-04-26 CN CN202020659666.9U patent/CN212267216U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693299A (en) * | 2021-03-12 | 2021-04-23 | 三一重型装备有限公司 | Power system, power system control method and vehicle |
| CN114228461A (en) * | 2021-12-22 | 2022-03-25 | 上海鑫国动力科技有限公司 | Power-assisted electric loader drive system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220708 Address after: Room B08, 1st floor, Jiali Hotel, 21 Jiuxianqiao B, Chaoyang District, Beijing 100016 Patentee after: Beijing quanjulian Transportation Technology Co.,Ltd. Address before: 276800 room 402, unit 1, building 9, qiaodingshan garden, no.6, Mingzhu Road, Rizhao City, Shandong Province Patentee before: Chu Hongpu |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220916 Address after: 276800 room 402, unit 1, building 9, jiaodingshan garden, No. 6, Mingzhu Road, Lanshan District, Rizhao City, Shandong Province Patentee after: Chu Fuqiang Address before: Room B08, 1st floor, Jiali Hotel, 21 Jiuxianqiao B, Chaoyang District, Beijing 100016 Patentee before: Beijing quanjulian Transportation Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |