CN219055953U - Driving device for pure electric loader - Google Patents
Driving device for pure electric loader Download PDFInfo
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- CN219055953U CN219055953U CN202320145085.7U CN202320145085U CN219055953U CN 219055953 U CN219055953 U CN 219055953U CN 202320145085 U CN202320145085 U CN 202320145085U CN 219055953 U CN219055953 U CN 219055953U
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Abstract
The utility model relates to the technical field of vehicle driving, in particular to a driving device for a pure electric loader, which comprises a planetary gear transmission mechanism, wherein the planetary gear transmission mechanism comprises a first sun gear connected with a first rotating shaft of a first driving motor and a second sun gear connected with a second rotating shaft of a second driving motor; the planetary gear transmission mechanism further comprises a first planetary gear and a second planetary gear which can be meshed with the first sun gear and the second sun gear respectively, the first planetary gear and the second planetary gear are sleeved with a planetary carrier respectively, a planetary carrier output gear is connected to the planetary carrier, the planetary carrier output gear can drive an output shaft gear to rotate, and the output shaft gear is sleeved with an output shaft. The device can effectively solve the problem of locked rotor in the whole vehicle working process, give full play to motor torque and prolong the service life of the motor. The device has simple structure, is easy to assemble and maintain, and can effectively reduce the production and maintenance cost.
Description
Technical Field
The utility model relates to the technical field of vehicle driving, in particular to a driving device for a pure electric loader.
Background
Under the background of the national double-carbon policy, each industry actively searches for new energy solutions, and as a non-road mechanical product, the application of China is large, and the development of our non-road new energy products is also well-developed. Besides the policy background, pollution-free new energy mechanical participation is also needed in the transportation and processing processes of closed plants, fruits, vegetables and grains and livestock feeds. The traditional fuel oil non-road mechanical products are large in pollution, and most of the traditional fuel oil non-road mechanical products use a hydraulic torque converter, so that the efficiency is low.
The common working conditions of the non-road machinery comprise the working conditions of static continuous loading torque of the whole vehicle, such as the working condition of the loader during shoveling. When the pure electric machine is designed to be in a locked-rotor state in the working condition of static continuous loading torque, the motor can only exert about half of the normal maximum torque when locked-rotor, so that the power of the whole machine product is insufficient, and the service life of the motor can be greatly shortened when the motor is in the locked-rotor state for a long time.
Although some pure electric driving devices solve the problem of motor locked rotor, the whole system has complex structure, poor manufacturing manufacturability of parts and difficult realization of industrialized development.
Therefore, a new improvement is needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a driving device for a pure electric loader, which is used for solving the technical problems of complex driving mechanism and easy locked rotation in the prior art.
The above purpose is realized by the following technical scheme:
the driving device for the pure electric loader comprises a planetary gear transmission mechanism 1, wherein the planetary gear transmission mechanism 1 comprises a first sun gear 4 connected with a first rotating shaft 3 of a first driving motor 2 and a second sun gear 7 connected with a second rotating shaft 6 of a second driving motor 5; the planetary gear transmission mechanism 1 further comprises a first planetary gear 14 and a second planetary gear 15 which can be meshed with the first sun gear 4 and the second sun gear 7 respectively, the first planetary gear 14 and the second planetary gear 15 are sleeved with a planet carrier 8 respectively, the planet carrier 8 is connected with a planet carrier output gear 9, the planet carrier output gear 9 can drive an output shaft gear 10 to rotate, the output shaft gear 10 is sleeved with an output shaft 11, and the output shaft 11 comprises a front output shaft 12 positioned at the front end of the output shaft gear 10 and a rear output shaft 13 positioned at the rear end of the output shaft gear 10.
Further, the first sun gear 4, the second sun gear 7, the first planet gears 14 and the second planet gears 15 are all conical gears.
Further, the first rotating shaft 3 and the second rotating shaft 6 are parallel to the output shaft 11, respectively.
Further, the first drive motor 2 and the second drive motor 5 are of the same power.
Further, an intermediate shaft 16 is further disposed between the planet carrier output gear 9 and the output shaft gear 10, one end of the intermediate shaft 16 is connected with an intermediate shaft large gear 17, the other end is connected with an intermediate shaft small gear 18, the intermediate shaft large gear 17 is meshed with the planet carrier output gear 9, and the intermediate shaft small gear 18 is meshed with the output shaft gear 10.
Further, the intermediate shaft 16 is parallel to the output shaft 11.
Advantageous effects
The driving device for the pure electric loader can effectively solve the problem of locked rotor in the whole vehicle working process, fully exert motor torque and prolong the service life of the motor. The device has simple structure, is easy to assemble and maintain, and can effectively reduce the production and maintenance cost.
Drawings
Fig. 1 is a schematic structural view of a driving device for a pure electric loader according to the present utility model;
FIG. 2 is a schematic diagram of the normal running torque output of a drive device for a blade loader according to the present utility model;
fig. 3 is a schematic diagram of torque output of the driving device for the pure electric loader, wherein the speed of the driving device is 0 and the motor has a rotating speed.
The graphic indicia:
1-planetary gear transmission mechanism, 2-first driving motor, 3-first pivot, 4-first sun gear, 5-second driving motor, 6-second pivot, 7-second sun gear, 8-planet carrier, 9-planet carrier output gear, 10-output shaft gear, 11-output shaft, 12-front output shaft, 13-rear output shaft, 14-first planet wheel, 15-second planet wheel, 16-jackshaft, 17-jackshaft big gear, 18-jackshaft pinion.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples.
As shown in fig. 1, a driving device for a pure electric loader comprises a planetary gear transmission mechanism 1, wherein the planetary gear transmission mechanism 1 comprises a first sun gear 4 connected with a first rotating shaft 3 of a first driving motor 2 and a second sun gear 7 connected with a second rotating shaft 6 of a second driving motor 5;
the planetary gear transmission mechanism 1 further comprises a first planetary gear 14 and a second planetary gear 15 which can be meshed with the first sun gear 4 and the second sun gear 7 respectively, the first planetary gear 14 and the second planetary gear 15 are sleeved with a planet carrier 8 respectively, the planet carrier 8 is connected with a planet carrier output gear 9, the planet carrier output gear 9 can drive an output shaft gear 10 to rotate, the output shaft gear 10 is sleeved with an output shaft 11, and the output shaft 11 comprises a front output shaft 12 positioned at the front end of the output shaft gear 10 and a rear output shaft 13 positioned at the rear end of the output shaft gear 10.
Specifically, as shown in fig. 2, the first driving motor 2 and the second driving motor 5 have the same power, and jointly provide driving force for the vehicle; the planetary gear transmission mechanism 1 is used for coupling power of the first driving motor 2 and power of the second driving motor 5, and the power is output by the planet carrier output gear 9; the output shaft gear 9 is used for transmitting power to a front output shaft 12 and a rear output shaft 13 of the output shaft 11 and respectively transmitting the power to a front axle and a rear axle, so that the four-wheel drive function of the whole vehicle is realized.
In this embodiment, the first sun gear 4, the second sun gear 7, the first planet gears 14 and the second planet gears 15 are all conical gears.
As an optimization of the device, the first rotating shaft 3 and the second rotating shaft 6 are respectively parallel to the output shaft 11.
In this embodiment, an intermediate shaft 16 is further disposed between the planet carrier output gear 9 and the output shaft gear 10, one end of the intermediate shaft 16 is connected with an intermediate shaft large gear 17, the other end is connected with an intermediate shaft small gear 18, the intermediate shaft large gear 17 is meshed with the planet carrier output gear 9, and the intermediate shaft small gear 18 is meshed with the output shaft gear 10.
Wherein the intermediate shaft 16 is parallel to the output shaft 11.
As shown in fig. 3, when the vehicle needs to output large torque in situ, the vehicle speed is 0, but peak torque output of the first driving motor 2 and the second driving motor 5 is required, and the rotation speed of the motors is adjusted, so that the vehicle speed is 0, but the first driving motor 2 and the second driving motor 5 output torque in the state with rotation speed, which is beneficial to prolonging the service life of the motors and ensuring to provide enough driving force.
The above description is for the purpose of illustrating the embodiments of the present utility model and is not to be construed as limiting the utility model, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principle of the utility model.
Claims (6)
1. The utility model provides a driving device for pure electric loader which characterized in that: the planetary gear transmission mechanism (1) comprises a first sun gear (4) connected with a first rotating shaft (3) of a first driving motor (2) and a second sun gear (7) connected with a second rotating shaft (6) of a second driving motor (5); the planetary gear transmission mechanism (1) further comprises a first planetary gear (14) and a second planetary gear (15) which are meshed with the first sun gear (4) and the second sun gear (7) respectively, the first planetary gear (14) and the second planetary gear (15) are sleeved with a planet carrier (8) respectively, the planet carrier (8) is connected with a planet carrier output gear (9), the planet carrier output gear (9) can drive an output shaft gear (10) to rotate, the output shaft gear (10) is sleeved with an output shaft (11), and the output shaft (11) comprises a front output shaft (12) positioned at the front end of the output shaft gear (10) and a rear output shaft (13) positioned at the rear end of the output shaft gear (10).
2. The drive device for a pure electric loader according to claim 1, wherein: the first sun gear (4), the second sun gear (7), the first planet gears (14) and the second planet gears (15) are all conical gears.
3. The drive device for a pure electric loader according to claim 1, wherein: the first rotating shaft (3) and the second rotating shaft (6) are respectively parallel to the output shaft (11).
4. The drive device for a pure electric loader according to claim 1, wherein: the first driving motor (2) and the second driving motor (5) have the same power.
5. The drive device for a pure electric loader according to claim 1, wherein: an intermediate shaft (16) is further arranged between the planet carrier output gear (9) and the output shaft gear (10), one end of the intermediate shaft (16) is connected with an intermediate shaft big gear (17), the other end of the intermediate shaft is connected with an intermediate shaft small gear (18), the intermediate shaft big gear (17) is meshed with the planet carrier output gear (9), and the intermediate shaft small gear (18) is meshed with the output shaft gear (10).
6. The drive device for a pure electric loader according to claim 5, wherein: the intermediate shaft (16) is parallel to the output shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320145085.7U CN219055953U (en) | 2023-01-17 | 2023-01-17 | Driving device for pure electric loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320145085.7U CN219055953U (en) | 2023-01-17 | 2023-01-17 | Driving device for pure electric loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219055953U true CN219055953U (en) | 2023-05-23 |
Family
ID=86342766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320145085.7U Active CN219055953U (en) | 2023-01-17 | 2023-01-17 | Driving device for pure electric loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219055953U (en) |
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2023
- 2023-01-17 CN CN202320145085.7U patent/CN219055953U/en active Active
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