CN217415442U - Electric drive transmission assembly, transmission system and loader - Google Patents
Electric drive transmission assembly, transmission system and loader Download PDFInfo
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- CN217415442U CN217415442U CN202021546204.2U CN202021546204U CN217415442U CN 217415442 U CN217415442 U CN 217415442U CN 202021546204 U CN202021546204 U CN 202021546204U CN 217415442 U CN217415442 U CN 217415442U
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Abstract
The utility model relates to a transmission, for solving current engine drive loader transmission system's shortcoming that transmission efficiency is low, the utility model discloses construct an electric drive transmission assembly, transmission system, loader, wherein electric drive transmission system includes two motors, is connected two unification motor controller, the gearbox that is used for the control motor with the motor, and two motors divide the both sides of arranging the gearbox in and correspond and be connected with the both ends of gearbox input shaft. The utility model discloses in, the gearbox both sides are arranged in to two motors branch, connect at the both ends of same input shaft, realize the series connection of two motors. The double-motor drive is adopted, the two motors are convenient to arrange, and the motors are controlled by the motor controller, so that the stepless regulation of the rotating speed of the motors can be realized, the structure of the gearbox can be simplified, the cost is reduced, and meanwhile, the energy conversion and the efficiency are high.
Description
Technical Field
The utility model relates to a transmission, more specifically say, relate to an electric drive transmission assembly, transmission system, loader.
Background
At present, a transmission system of a loader mainly comprises an engine, a hydraulic torque converter and a gearbox assembly. The power source is from the engine, and after the torque and the rotating speed are adjusted by the hydraulic torque converter and the gearbox assembly, the power source is transmitted to the wheels of the drive axle so as to realize the functions of walking and shoveling operation of the loader.
Such a transmission system suffers from the following disadvantages:
1. energy conversion and efficiency are low, energy conversion is performed twice in the power transmission process, mechanical energy is converted into internal energy of liquid and then is converted into mechanical energy again, and the efficiency of hydraulic transmission is lower than that of mechanical transmission.
2. The dynamic braking capacity is weak, the dynamic braking capacity of the hydraulic transmission gearbox is poor, the maximum braking torque is only about one third of the driving torque, and therefore mechanical brakes on wheels of the hydraulic transmission loader are frequently used and wear quickly.
3. The arrangement flexibility is poor, and the spatial position relation of the hydraulic transmission gearbox to the input shaft and the output shaft is strict.
4. Recovering and reusing braking energy: the technical scheme of the temporary brake energy recycling of the hydraulic transmission gearbox is that the brake energy recycling is realized.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to current engine drive loader transmission system's shortcoming that transmission efficiency is low, and provide an electric drive transmission assembly, transmission system, loader, improve transmission system's transmission efficiency, make things convenient for the part to arrange.
The utility model discloses a realize that the technical scheme of its purpose is like: an electric drive transmission assembly is constructed and is characterized by comprising two motors, a two-in-one motor controller connected with the motors and used for controlling the motors, and a gearbox, wherein the two motors are respectively arranged on two sides of the gearbox and correspondingly connected with two ends of an input shaft of the gearbox. The utility model discloses in, the gearbox both sides are arranged in to two motors branch, connect at the both ends of same input shaft, realize the series connection of two motors. The double motors are adopted for driving, the arrangement of the two motors is convenient, and meanwhile, the motors are controlled by the motor controller, so that the stepless regulation of the rotating speed of the motors can be realized, the structure of a gearbox can be simplified, the cost is reduced, and meanwhile, the energy conversion and the efficiency are high.
In the above electric drive transmission assembly, the transmission case is a dead axle transmission case. The fixed-shaft gearbox is simple in structure. Further, the motor is connected with the end part of the input shaft of the gearbox through a coupling.
The utility model discloses a realize that the technical scheme of its purpose is like: the electric drive transmission system is characterized by comprising two motors, a two-in-one motor controller connected with the motors and used for controlling the motors, and a gearbox, wherein the two motors are respectively arranged on two sides of the gearbox and correspondingly connected with two ends of an input shaft of the gearbox, and two ends of an output shaft of the gearbox are respectively in transmission connection with a front drive axle and a rear drive axle. Further, the gearbox is a dead axle gearbox. The motor is connected with the end part of the input shaft of the gearbox through a coupler.
The utility model discloses a realize that the technical scheme of its purpose is like: an electric loader is constructed, and is characterized by comprising the electric drive transmission system, wherein two ends of an output shaft of the gearbox are respectively in transmission connection with the front drive axle and the rear drive axle. The utility model discloses in, the loader is driven by electric drive transmission system.
Compared with the prior art, the utility model, have following advantage:
in the aspect of operation, the motor is used for driving, stepless speed change and reverse operation can be realized, and the working condition requirements of work are met. Simple operation and simple control.
In the aspect of performance, the capacity conversion of the hydraulic torque converter is reduced, and the transmission efficiency is improved.
In the aspect of functions, double-power arrangement is adopted, single-motor independent driving or double-motor coupling driving can be achieved, and the fact that all power sources can work in a high-efficiency area is guaranteed.
Drawings
Fig. 1 is a schematic diagram of an electric drive transmission system of an electric drive loader according to the present invention.
Part names and serial numbers in the figure:
the two-in-one motor controller comprises a two-in-one motor controller 1, a first motor 2, a first coupler 21, a second motor 3, a second coupler 31, a gearbox 4, an input shaft 41, an output shaft 42, a rear drive axle 5, a rear end coupler 51, a front drive axle 6 and a front end coupler 61.
Detailed Description
The following description of the embodiments refers to the accompanying drawings.
The electric drive transmission system shown in fig. 1 is a transmission system of the electric loader in the embodiment, and comprises two motors, a two-in-one motor controller 1 connected with the motors for controlling the motors, and a gearbox 4, wherein the two motors are respectively a first motor 2 and a second motor 3, and the two motors are respectively arranged on two sides of the gearbox and fixed on a shell of the gearbox. The first electric motor 2 is connected to a first end of the gearbox input shaft 41 via a first coupling 21, and the second electric motor 3 is connected to a second end of the gearbox input shaft 41 via a second coupling 31. The front end of the output shaft 42 of the gearbox 4 is in transmission connection with the front drive axle 6 through a front end coupler 61, and the rear end of the gearbox output shaft 42 is in transmission connection with the rear drive axle 5 through a rear end coupler 51. In this embodiment, the transmission 4 is a fixed-axis transmission, and the internal structure thereof is simple and compact. The two-in-one motor controller controls the first motor and the second motor to synchronously rotate.
In this embodiment, the two motors are respectively disposed at two sides of the transmission case, fixed on the casing of the transmission case, and connected to two ends of the same input shaft, so as to realize the series connection of the two motors. The double-motor drive is adopted, the two motors are convenient to arrange, and the motors are controlled by the motor controller, so that the stepless regulation of the rotating speed of the motors can be realized, the structure of the gearbox can be simplified, the cost is reduced, and meanwhile, the energy conversion and the efficiency are high.
Claims (6)
1. An electric drive transmission assembly is characterized by comprising two motors, a two-in-one motor controller connected with the motors and used for controlling the motors, and a gearbox, wherein the two motors are respectively arranged on two sides of the gearbox and correspondingly connected with two ends of the same input shaft of the gearbox through couplers.
2. An electrically driven transmission assembly according to claim 1, wherein the gearbox is a dead axle gearbox.
3. The utility model provides an electric drive transmission system which characterized in that includes two motors, is connected with the motor and is used for controlling two unification motor controllers, the gearbox of motor, two the motor is arranged in separately the both sides of gearbox just correspond the both ends with the same input shaft of gearbox through the shaft coupling and be connected, the output shaft both ends of gearbox are connected with front drive axle and rear drive axle transmission respectively.
4. An electrically driven transmission system according to claim 3, characterised in that the gearbox is a dead axle gearbox.
5. A loader characterised in that it comprises an electric drive transmission system; the electric drive transmission system comprises two motors, a two-in-one motor controller and a gearbox, wherein the two motors are connected with the motors and used for controlling the motors, the two motors are respectively arranged on two sides of the gearbox and are correspondingly connected with two ends of the same input shaft of the gearbox through couplers, and two ends of an output shaft of the gearbox are in transmission connection with a front drive axle and a rear drive axle respectively.
6. The loader of claim 5, in which said gearbox is a dead axle gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546204.2U CN217415442U (en) | 2020-07-30 | 2020-07-30 | Electric drive transmission assembly, transmission system and loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021546204.2U CN217415442U (en) | 2020-07-30 | 2020-07-30 | Electric drive transmission assembly, transmission system and loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217415442U true CN217415442U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021546204.2U Active CN217415442U (en) | 2020-07-30 | 2020-07-30 | Electric drive transmission assembly, transmission system and loader |
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| Country | Link |
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| CN (1) | CN217415442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230349447A1 (en) * | 2022-05-02 | 2023-11-02 | Dana Belgium N.V. | Electric drive unit with a multi-speed transmission and method for transmission operation |
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2020
- 2020-07-30 CN CN202021546204.2U patent/CN217415442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230349447A1 (en) * | 2022-05-02 | 2023-11-02 | Dana Belgium N.V. | Electric drive unit with a multi-speed transmission and method for transmission operation |
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