CN114277864B - Distributed all-electric drive system and loader thereof - Google Patents
Distributed all-electric drive system and loader thereof Download PDFInfo
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- CN114277864B CN114277864B CN202210050827.8A CN202210050827A CN114277864B CN 114277864 B CN114277864 B CN 114277864B CN 202210050827 A CN202210050827 A CN 202210050827A CN 114277864 B CN114277864 B CN 114277864B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Operation Control Of Excavators (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a distributed all-electric drive system and a loader thereof, comprising: the electric steering device comprises a frame, an electric driving mechanism, an electric steering mechanism, a working mechanism, an energy management unit, a controller and an operating mechanism, wherein the electric driving mechanism, the electric steering mechanism, the working mechanism, the energy management unit, the controller and the operating mechanism are arranged on the frame; the output end of the energy management unit is electrically connected with the power input ends of the electric driving mechanism, the electric steering mechanism and the working mechanism; the electric driving mechanism comprises a driving component and a transmission mechanism; the output end of the driving component is connected with a transmission mechanism, and the output end of the transmission mechanism is used for connecting a driving wheel arranged on the frame; the electric steering mechanism comprises a steering frame hinged on the frame and an electric cylinder mechanism hinged with the steering frame, and the problem of low operation efficiency of the conventional loader is solved.
Description
Technical Field
The invention relates to the field of loaders, in particular to a distributed all-electric drive system and a loader thereof.
Background
Because the engineering machinery is used in a large quantity and is provided with the internal combustion engine with large displacement, the discharge capacity of the engineering machinery is far higher than that of the engineering machinery in other industries. Has important significance for the research of energy-saving and emission-reducing technology of engineering machinery. The working environment of the engineering machinery is quite severe, and the load fluctuation is huge. To ensure good energy conservation and controllability of the whole vehicle, higher requirements are provided for the driving performance of a traveling system and a hydraulic system, and the concrete performances are as follows: 1. the working mechanism device of the loader needs to frequently load and unload materials in the operation process. In order to achieve higher working efficiency, the responsiveness of the working mechanism device is highly required; 2. the loader repeatedly works in a cycle period for many times in the operation process, needs frequent start and stop, and puts high requirements on the responsiveness and the dynamic property of a walking driving system of the loader; in the traditional loader, the rotation speed is reduced and the torque is increased by a torque converter and a gearbox. The low efficiency of the hydraulic torque converter greatly reduces the efficiency of the whole vehicle; the gearbox is switched in gears, and the pressure build-up time is long in the process of combining the clutch, so that the vehicle generates time delay in the switching of forward and backward gears, and the responsiveness of the whole machine cannot be guaranteed.
In view of this, the present application is proposed.
Disclosure of Invention
The invention discloses a distributed all-electric drive system and a loader thereof, and aims to solve the problem that the existing loader is low in operation efficiency.
A first embodiment of the present invention provides a distributed all-electric drive system, including: the energy management system comprises a frame, an electric driving mechanism, an electric steering mechanism, a working mechanism, an energy management unit, a controller and an operating mechanism, wherein the electric driving mechanism, the electric steering mechanism, the working mechanism, the energy management unit, the controller and the operating mechanism are arranged on the frame;
the output end of the energy management unit is electrically connected with the power input end of the electric driving mechanism, the power input end of the electric steering mechanism and the power input end of the working mechanism;
the electric driving mechanism comprises a driving component and a transmission mechanism; the output end of the driving component is connected with the transmission mechanism, and the output end of the transmission mechanism is used for connecting a driving wheel configured on the frame;
the electric steering mechanism comprises a bogie hinged on the frame and an electric cylinder mechanism hinged with the bogie.
Preferably, the energy management unit comprises an electric quantity storage unit and a high-voltage management unit;
the electric quantity storage unit is electrically connected with the output end of the controller, and the output end of the electric quantity storage unit is electrically connected with the power input end of the electric driving mechanism, the power input end of the electric steering mechanism and the power input end of the working mechanism through the high-voltage management unit.
Preferably, the operating mechanism comprises a pilot handle, an electrically controlled steering gear, an electronic brake pedal and an electronic accelerator pedal;
the pilot handle, the electric control steering gear, the electronic brake pedal and the electronic accelerator pedal are electrically connected with the input end of the controller.
Preferably, the working mechanism includes a boom servo electric cylinder, a bucket servo electric cylinder, a movable arm, and a bucket;
the output end of the controller is electrically connected with the control end of the servo electric cylinder of the movable arm and the control end of the servo electric cylinder of the scraper bowl, the output end of the servo electric cylinder of the movable arm is hinged to the movable arm, the output end of the servo electric cylinder of the scraper bowl is hinged to the scraper bowl, and the power input end of the servo electric cylinder of the movable arm, the power input end of the servo electric cylinder of the scraper bowl and the output end of the high-voltage management unit are electrically connected.
Preferably, the electric cylinder mechanism comprises a first servo electric cylinder and a second servo electric cylinder;
the output end of the first servo electric cylinder is hinged to the first side of the bogie, the output end of the second servo electric cylinder is hinged to the second side of the bogie, the control end of the first servo electric cylinder and the control end of the second servo electric cylinder are electrically connected with the output end of the controller, and the power input end of the first servo electric cylinder and the power input end of the second servo electric cylinder are electrically connected with the output end of the high-voltage management unit.
Preferably, the driving assembly comprises a driving motor and a motor driver;
the input end of the motor driver is electrically connected with the output end of the controller, the output end of the motor driver is electrically connected with the driving motor, and the output shaft of the driving motor is connected with the transmission mechanism.
Preferably, the driving motor is a double-protruding-shaft permanent magnet synchronous motor.
Preferably, the transmission mechanism comprises a front transmission shaft, a rear transmission shaft, a driving front axle and a driving rear axle;
the first end of the front transmission shaft is connected with the first shaft of the double-extension-shaft permanent magnet synchronous motor, the first end of the rear transmission shaft is connected with the second shaft of the double-extension-shaft permanent magnet synchronous motor, the second end of the front transmission shaft is connected with the driving front axle, the second end of the rear transmission shaft is connected with the driving rear axle, and the driving front axle and the driving rear axle are connected with the driving wheel.
Preferably, the electric quantity storage unit is a lithium iron phosphate storage battery.
A second embodiment of the invention provides a loader comprising a distributed all-electric drive system as described in any one of the above.
Based on the distributed all-electric drive system and the loader thereof provided by the invention, the controller drives the electric drive mechanism by receiving the brake signal and the acceleration signal of the operating mechanism, the controller drives the working mechanism by the working signal of the operating mechanism, and the controller drives the electric steering mechanism by the steering signal, so that a hydraulic system is omitted, the energy consumption is reduced, the response speed of the whole vehicle is improved, and the controllability of the whole vehicle is improved.
Drawings
Fig. 1 is a schematic structural diagram of a distributed all-electric drive system according to a first embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
The invention discloses a distributed all-electric drive system and a loader thereof, and aims to solve the problem that the existing loader is low in operation efficiency.
Referring to fig. 1, a first embodiment of the present invention provides a distributed all-electric driving system, including: the electric steering system comprises a frame, an electric driving mechanism, an electric steering mechanism, a working mechanism, an energy management unit, a controller 11 and an operating mechanism, wherein the electric driving mechanism, the electric steering mechanism, the working mechanism, the energy management unit, the controller 11 and the operating mechanism are arranged on the frame;
the operating mechanism is electrically connected with an input end of the controller 11, an output end of the controller 11 is electrically connected with a control end of the electric driving mechanism, a control end of the electric steering mechanism, a control end of the working mechanism and a control end of the energy management unit, and an output end of the energy management unit is electrically connected with a power input end of the electric driving mechanism, a power input end of the electric steering mechanism and a power input end of the working mechanism;
the electric driving mechanism comprises a driving component and a transmission mechanism; the output end of the driving component is connected with the transmission mechanism, and the output end of the transmission mechanism is used for connecting a driving wheel configured on the frame;
the electric steering mechanism comprises a bogie 19 hinged on the frame and an electric cylinder mechanism hinged with the bogie 19.
It should be noted that, in the prior art, most loaders are configured to adopt a torque converter and a gearbox to reduce the rotating speed and increase the torque, and the low efficiency of the hydraulic torque converter is caused, so that the efficiency of the whole loader is greatly reduced; the gearbox is switched in gears, and the pressure build-up time is long in the process of combining the clutch, so that the vehicle generates time delay in the switching of forward and backward gears, and the responsiveness of the whole machine cannot be guaranteed.
In the embodiment, the controller 11 receives the brake signal and the acceleration signal of the operating mechanism to drive the electric driving mechanism, so that a hydraulic torque converter with lower efficiency is eliminated, and the efficiency of the system is improved; meanwhile, a gearbox is cancelled, so that the time delay caused by the pressure build-up time of the gearbox in the gear shifting process is reduced; the controller 11 drives the electric steering mechanism through the steering signal, the controller 11 drives the working mechanism through the working signal of the operating mechanism, and the servo electric cylinder replaces a traditional hydraulic oil cylinder to directly drive a steering system and a working system, so that various pressure losses caused by a hydraulic system are eliminated, and the arrangement of the whole machine components is optimized. The servo electric cylinder can be used for quickly responding to a signal sent by the controller 11 assembly, and the controllability of the whole vehicle is improved.
Preferably, the energy management unit comprises an electric quantity storage unit 18, a high voltage management unit 6;
the electric quantity storage unit 18 is electrically connected with the output end of the controller 11, and the output end of the electric quantity storage unit 18 is electrically connected with the power input end of the electric driving mechanism, the power input end of the electric steering mechanism and the power input end of the working mechanism through the high-voltage management unit 6.
In one possible embodiment of the invention, the operating mechanism comprises a pilot handle 14, an electronically controlled steering gear 15, an electronic brake pedal 5, and an electronic accelerator pedal 17;
wherein the pilot handle 14, the electrically controlled steering gear 15, the electronic brake pedal 5, and the electronic accelerator pedal 17 are electrically connected to an input end of the controller 11.
The pilot handle 14, the electrically controlled steering gear 15, the electronic brake pedal 5, and the electronic accelerator pedal 17 provide an operation signal, a steering signal, a braking signal, and an acceleration signal to the controller 11, respectively;
the controller 11 drives the electric steering mechanism according to the steering signal provided by the electric control steering gear 15;
the controller 11 drives the electric driving mechanism according to the acceleration signal and the braking signal provided by the electronic brake pedal 5 and the electronic accelerator pedal 17;
the controller 11 drives the operating mechanism according to the operating signal provided by the pilot handle 14.
In one possible embodiment of the present invention, the working mechanism includes a boom servo electric cylinder 12, a bucket servo electric cylinder 13, a movable arm, and a bucket;
the output end of the controller 11 is electrically connected with the control end of the boom servo electric cylinder 12 and the control end of the bucket servo electric cylinder 13, the output end of the boom servo electric cylinder 12 is hinged to the movable arm, the output end of the bucket servo electric cylinder 13 is hinged to the bucket, and the power input end of the boom servo electric cylinder 12 and the power input end of the bucket servo electric cylinder 13 are electrically connected with the output end of the high-voltage management unit 6.
It should be noted that the pilot handle 14 is divided into four major directions, namely, front, rear, left, and right, the controller 11 receives the working signal and then respectively controls the boom servo electric cylinder 12 and the bucket servo electric cylinder 13 to implement the actions of boom raising, boom lowering, bucket retracting, and bucket discharging, and the signal value of the pilot handle 14 respectively controls the extending or retracting displacement of different servo electric cylinders, it should be understood that the signal provided by the pilot handle 14 may be an analog quantity control signal or a CAN control signal, which is not specifically limited herein.
In one possible embodiment of the present invention, the electric cylinder mechanism includes a first servo electric cylinder 2, a second servo electric cylinder 3;
the output end of the first servo electric cylinder 2 is hinged to the first side of the bogie 19, the output end of the second servo electric cylinder 3 is hinged to the second side of the bogie 19, the control end of the first servo electric cylinder 2 and the control end of the second servo electric cylinder 3 are electrically connected to the output end of the controller 11, and the power input end of the first servo electric cylinder 2 and the power input end of the second servo electric cylinder 3 are electrically connected to the output end of the high-voltage management unit 6.
It should be noted that the electrically controlled steering gear 15 may rotate left or right, and then sends a steering signal to the controller 11, and the controller 11 generates corresponding control signals to the first servo electric cylinder 2 and the second servo electric cylinder 3, so as to implement left and right steering of the loader;
in one possible embodiment of the invention, the driving assembly comprises a driving motor 1, a motor driver 4;
the input end of the motor driver 4 is electrically connected with the output end of the controller 11, the output end of the motor driver 4 is electrically connected with the driving motor 1, and the output shaft of the driving motor 1 is connected with the transmission mechanism.
It should be noted that the electronic brake pedal 5 and the electronic accelerator pedal 17 are configured to provide a braking signal and an acceleration signal to the controller 11, and the controller 11 determines the opening degrees of the electronic brake pedal 5 and the electronic accelerator pedal 17 according to the braking signal and the acceleration signal, generates a corresponding control signal to the motor driver 4, and further drives the driving motor 1 through the motor driver 4, specifically: the control signals of the electronic brake pedal 5 and the electronic accelerator pedal 17 are mainly directed to the driving motor 1. The opening degree of the electronic brake pedal 5 corresponds to the braking torque of the driving motor 1; the electronic accelerator pedal 17 corresponds to the driving torque of the driving motor 1; the controller 11 assembly controls the walking motor to rotate forward and backward through a gear signal of the whole machine, so that the whole machine can move forward and backward.
In the embodiment, the advantages of the all-electric drive system are fully exerted. Under the working condition of near zero rotating speed or peak load, the instantaneous large torque is output by utilizing the strong overload capacity of the motor, and the driving requirement of the limit working condition is met; secondly, under the working condition of braking of the whole vehicle, a braking torque is applied to the walking motor according to a braking signal of a brake pedal, and the braking energy of the whole vehicle is electrically recovered while braking; it should be understood that the energy recovery is the situation that the loader is braked, and the control gives the motor controller 11 an excitation torque, and the motor is in a power generation state. At this time, energy recovery is performed.
In one possible embodiment of the invention, the drive motor 1 is a double-extension-shaft permanent magnet synchronous motor.
It should be noted that, in other embodiments, other types of driving motors 1 may also be used, which is not limited herein, but these solutions are all within the protection scope of the present invention.
In one possible embodiment of the invention, the transmission comprises a front transmission shaft 10, a rear transmission shaft 9, a driving front axle 7, and a driving rear axle 8;
the first end of the front transmission shaft 10 is connected with a first shaft of the double-extension-shaft permanent magnet synchronous motor, the first end of the rear transmission shaft 9 is connected with a second shaft of the double-extension-shaft permanent magnet synchronous motor, the second end of the front transmission shaft 10 is connected with the driving front axle 7, the second end of the rear transmission shaft 9 is connected with the driving rear axle 8, and the driving front axle 7 and the driving rear axle 8 are connected with the driving wheels.
It should be noted that the front transmission shaft 10, the rear transmission shaft 9, the front drive axle 7, and the rear drive axle 8 are used for transmitting the output of the drive motor 1 to the drive wheels to drive the loader.
In one possible embodiment of the present invention, the electricity storage unit 18 is a lithium iron phosphate battery.
It should be noted that, in other embodiments, other types of batteries may also be used as the energy storage unit, which is not limited herein, but these solutions are all within the protection scope of the present invention.
Compared with the prior art, the embodiment has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
(1) In the aspect of walking driving, the double-extension-shaft walking motor is mainly used for driving and directly driving, a hydraulic torque converter with low efficiency is omitted, and the efficiency of the system is improved; meanwhile, a gearbox is cancelled, time delay caused by pressure build-up time of the gearbox in the gear shifting process is reduced, and strong overload capacity of the motor is utilized while system responsiveness is improved. The motor outputs by double extending shafts and drives a front driving axle and a rear driving axle simultaneously; the forward and backward walking of the whole vehicle is realized by utilizing the forward and reverse rotation functions of the motor. In addition, the loader is accompanied with frequent braking in the operation process, and the braking energy is recovered through the walking motor in the braking process, so that the energy utilization rate of the system is improved.
(2) In the aspects of a steering system and a working system. The loader, whether a steering hydraulic system or a working hydraulic system, has a large amount of overflow loss, throttling loss and the like. In the embodiment, the servo electric cylinder is used for replacing a traditional hydraulic oil cylinder to directly drive the steering system and the working system, various pressure losses caused by a hydraulic system are eliminated, and the arrangement of the parts of the whole machine is optimized. The servo electric cylinder can quickly respond to a signal sent by the controller 11 assembly, and the controllability of the whole vehicle is improved.
A second embodiment of the invention provides a loader comprising a distributed all-electric drive system as described in any one of the above.
Based on the distributed all-electric drive system and the loader thereof provided by the invention, the controller 11 drives the electric drive mechanism by receiving the brake signal and the acceleration signal of the operating mechanism, the controller 11 drives the working mechanism by the working signal of the operating mechanism, and the controller 11 drives the electric steering mechanism by the steering signal, so that a hydraulic system is eliminated, the energy consumption is reduced, the response speed of the whole vehicle is improved, and the controllability of the whole vehicle is improved.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.
Claims (9)
1. A distributed all-electric drive system, comprising: the energy management system comprises a frame, an electric driving mechanism, an electric steering mechanism, a working mechanism, an energy management unit, a controller and an operating mechanism, wherein the electric driving mechanism, the electric steering mechanism, the working mechanism, the energy management unit, the controller and the operating mechanism are arranged on the frame;
the output end of the energy management unit is electrically connected with the power input end of the electric driving mechanism, the power input end of the electric steering mechanism and the power input end of the working mechanism;
the electric driving mechanism comprises a driving component and a transmission mechanism; the output end of the driving component is connected with the transmission mechanism, and the output end of the transmission mechanism is used for connecting a driving wheel arranged on the frame;
the electric steering mechanism comprises a bogie hinged on the frame and an electric cylinder mechanism hinged with the bogie;
the system comprises a first servo electric cylinder and a second servo electric cylinder;
the output end of the first servo electric cylinder is hinged to the first side of the bogie, the output end of the second servo electric cylinder is hinged to the second side of the bogie, the control end of the first servo electric cylinder and the control end of the second servo electric cylinder are electrically connected with the output end of the controller, and the power input end of the first servo electric cylinder and the power input end of the second servo electric cylinder are electrically connected with the output end of the high-voltage management unit of the energy management unit.
2. A distributed all-electric drive system according to claim 1, wherein the energy management unit comprises an electric charge storage unit, a high voltage management unit;
the electric quantity storage unit is electrically connected with the output end of the controller, and the output end of the electric quantity storage unit is electrically connected with the power input end of the electric driving mechanism, the power input end of the electric steering mechanism and the power input end of the working mechanism through the high-voltage management unit.
3. The distributed all-electric drive system according to claim 1, wherein said operating mechanism comprises a pilot handle, an electronically controlled steering gear, an electronic brake pedal, and an electronic throttle pedal;
the pilot handle, the electric control steering gear, the electronic brake pedal and the electronic accelerator pedal are electrically connected with the input end of the controller.
4. The distributed all-electric drive system according to claim 2, wherein the working mechanisms include a boom servo electric cylinder, a bucket servo electric cylinder, a movable arm, and a bucket;
the output end of the controller is electrically connected with the control end of the movable arm servo electric cylinder and the control end of the bucket servo electric cylinder, the output end of the movable arm servo electric cylinder is hinged with the movable arm, the output end of the bucket servo electric cylinder is hinged with the bucket, and the power input end of the movable arm servo electric cylinder and the power input end of the bucket servo electric cylinder are electrically connected with the output end of the high-voltage management unit.
5. A distributed all-electric drive system according to claim 2, wherein said drive assembly comprises a drive motor, a motor drive;
the input end of the motor driver is electrically connected with the output end of the controller, the output end of the motor driver is electrically connected with the driving motor, and the output shaft of the driving motor is connected with the transmission mechanism.
6. A distributed all-electric drive system according to claim 5, wherein said drive motor is a dual-extension-shaft permanent magnet synchronous motor.
7. The distributed all-electric drive system according to claim 6, wherein said drive mechanism comprises a front drive shaft, a rear drive shaft, a drive front axle, and a drive rear axle;
the first end of the front transmission shaft is connected with a first shaft of the double-extension-shaft permanent magnet synchronous motor, the first end of the rear transmission shaft is connected with a second shaft of the double-extension-shaft permanent magnet synchronous motor, the second end of the front transmission shaft is connected with the driving front axle, the second end of the rear transmission shaft is connected with the driving rear axle, and the driving front axle and the driving rear axle are connected with the driving wheels.
8. The distributed all-electric drive system according to claim 6, wherein the electric quantity storage unit is a lithium iron phosphate battery.
9. A loader comprising a distributed all electric drive system according to any one of claims 1 to 8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210050827.8A CN114277864B (en) | 2022-01-17 | 2022-01-17 | Distributed all-electric drive system and loader thereof |
| PCT/CN2022/076342 WO2023133959A1 (en) | 2022-01-17 | 2022-02-15 | Distributed all-electric drive system and loader thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210050827.8A CN114277864B (en) | 2022-01-17 | 2022-01-17 | Distributed all-electric drive system and loader thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114277864A CN114277864A (en) | 2022-04-05 |
| CN114277864B true CN114277864B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210050827.8A Active CN114277864B (en) | 2022-01-17 | 2022-01-17 | Distributed all-electric drive system and loader thereof |
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| CN (1) | CN114277864B (en) |
| WO (1) | WO2023133959A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020051194A (en) * | 2018-09-28 | 2020-04-02 | 日立建機株式会社 | Work vehicle |
| CN111236353A (en) * | 2020-03-26 | 2020-06-05 | 徐工集团工程机械股份有限公司科技分公司 | Novel energy-saving electric loader drive control system and control method |
| CN213897270U (en) * | 2020-07-29 | 2021-08-06 | 四川鼎鸿智电装备科技有限公司 | Working device of engineering machinery and loader |
| CN214578789U (en) * | 2021-04-07 | 2021-11-02 | 山东临工工程机械有限公司 | Electrically-driven gearbox control system and loader |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207525796U (en) * | 2017-09-26 | 2018-06-22 | 宁津县金宏机械有限责任公司 | A kind of electric loader |
| DE102018203622A1 (en) * | 2018-03-09 | 2019-09-12 | Zf Friedrichshafen Ag | Drive for a working machine |
| CN209368915U (en) * | 2018-12-28 | 2019-09-10 | 徐工集团工程机械股份有限公司科技分公司 | Driving control system applied to pure electric vehicle loading machine |
| CN109457743A (en) * | 2018-12-28 | 2019-03-12 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loading machine work system based on servo electric jar |
| KR102690429B1 (en) * | 2019-02-28 | 2024-07-31 | 에이치디현대인프라코어 주식회사 | Method and system for controlling wheel loader |
| CN112411664A (en) * | 2020-11-09 | 2021-02-26 | 英轩重工有限公司 | Power control device and method for electric loader |
-
2022
- 2022-01-17 CN CN202210050827.8A patent/CN114277864B/en active Active
- 2022-02-15 WO PCT/CN2022/076342 patent/WO2023133959A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020051194A (en) * | 2018-09-28 | 2020-04-02 | 日立建機株式会社 | Work vehicle |
| CN111236353A (en) * | 2020-03-26 | 2020-06-05 | 徐工集团工程机械股份有限公司科技分公司 | Novel energy-saving electric loader drive control system and control method |
| CN213897270U (en) * | 2020-07-29 | 2021-08-06 | 四川鼎鸿智电装备科技有限公司 | Working device of engineering machinery and loader |
| CN214578789U (en) * | 2021-04-07 | 2021-11-02 | 山东临工工程机械有限公司 | Electrically-driven gearbox control system and loader |
Non-Patent Citations (2)
| Title |
|---|
| 双电动轮装载机制动控制策略研究与仿真;卞永明等;《中国工程机械学报》;20110615(第02期);全文 * |
| 电动工程机械关键技术研究进展;林元正;《液压与气动》;20211231;第45卷(第12期);第9页第5.4节 * |
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| CN114277864A (en) | 2022-04-05 |
| WO2023133959A1 (en) | 2023-07-20 |
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Effective date of registration: 20230824 Address after: Unit 1301-2, No. 15 Longhe Erli, Jimei District, Xiamen City, Fujian Province, 361000 Patentee after: Xiamen guoxineng Construction Machinery Co.,Ltd. Address before: No.269, Chenghua North Road, Quanzhou City, Fujian Province Patentee before: HUAQIAO University |