CN110002370A - A kind of driving of electri forklift and Hydraulic integration dynamical system and its control method - Google Patents
A kind of driving of electri forklift and Hydraulic integration dynamical system and its control method Download PDFInfo
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- CN110002370A CN110002370A CN201910394602.2A CN201910394602A CN110002370A CN 110002370 A CN110002370 A CN 110002370A CN 201910394602 A CN201910394602 A CN 201910394602A CN 110002370 A CN110002370 A CN 110002370A
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- oil pump
- driving
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- electric machine
- electrical machinery
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- 238000005183 dynamical system Methods 0.000 title claims abstract description 30
- 230000010354 integration Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 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
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000005070 sampling Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
- B62D5/064—Pump driven independently from vehicle engine, e.g. electric driven pump
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07568—Steering arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07572—Propulsion arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/025—Support of gearboxes, e.g. torque arms, or attachment to other devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention discloses a kind of driving of electri forklift and Hydraulic integration dynamical systems and its control method, including electri forklift driving power sub-system, electri forklift hydraulic power subsystem and its upper Power control subsystem；It includes driving motor, driving motor control unit and large speed ratio retarder that electri forklift, which drives power sub-system,；Electri forklift hydraulic power subsystem includes Oil pump electrical machinery, Oil pump electrical machinery control unit and oil pump；The upper Power control subsystem of electri forklift includes upper power system controller；The driving motor control unit becomes one with Oil pump electrical machinery control unit, forms driving motor and Oil pump electrical machinery two-in-one controller.Electri forklift driving of the invention and hydraulic power subsystem integrated level are high, eliminate the connection of the three-phase dynamic wire harness and low pressure controlling of sampling harness between external motor and electric machine controller, power transmission loss is greatly reduced；It the driving and the assembly of Hydraulic integration dynamical system and vehicle and is easily installed.
Description
Technical field
The invention belongs to electri forklift fields, are related to a kind of integrated power technology of electri forklift, specifically a kind of electronic
Fork truck driving and Hydraulic integration dynamical system and its control method.
Background technique
The fork truck market of China has the market potential of wide development space, especially electri forklift huge.With economy
Sustainable development, for electri forklift driving and hydraulic power system more stringent requirements are proposed.
Existing electri forklift driving and hydraulic power system technology path are single, use driving motor and front axle deceleration substantially
Device composition walking power unit, Oil pump electrical machinery and oil pump form hydraulic power unit, drive motor controller and Oil pump electrical machinery control
Device fission arrangement composition motor control unit processed；Its entire dynamical system uses a wide range of dispersed arrangement form, power list of walking
Member is arranged in front of car body at bridge, and hydraulic power unit is arranged in the middle part of car body or rear portion, motor control unit are arranged in car body
Portion or rear portion；In the system, walking power unit, hydraulic power unit with motor control unit distance farther out, connection cables
Length is too long, is unfavorable for vehicle assembly, and cable is too long by increase cost, influence electric energy service efficiency, finally will lead to vehicle
Energy consumption is significantly increased；For the state of driving and a wide range of dispersed placement of hydraulic power system, radiating efficiency and function are not easy
It realizes, need to carry out each unit individually cooling or radiates, cause structure extremely complex, cost is significantly increased.
It can be seen that the driving of electri forklift and hydraulic power system need, a kind of structure height is integrated, can be achieved to concentrate
The high efficiency drive and Hydraulic integration dynamical system of arrangement reduce system cost with this, improve system effectiveness.
Summary of the invention
The purpose of the present invention is to provide a kind of driving of electri forklift and Hydraulic integration dynamical systems and its control method.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of driving of electri forklift and Hydraulic integration dynamical system, including driving power sub-system, hydraulic power subsystem
And upper Power control subsystem；
The driving power sub-system includes driving motor, parallel shaft (speed) reducer and driving motor control unit；The drive
Dynamic motor output shaft is coaxially connected by the input shaft of spline and parallel shaft (speed) reducer；The parallel shaft (speed) reducer includes several groups
The gear shaft of parallel arrangement, each pair of coupling gear group intermeshing on gear shaft, and be arranged on afterbody output gear shaft
There is differential mechanism, wherein institute's sprocket drive spindle all passes through bearing and is set on reducer shell；The driving motor control unit setting
Inside two-in-one electric machine controller；
The hydraulic power subsystem includes Oil pump electrical machinery, oil pump and Oil pump electrical machinery control unit；The Oil pump electrical machinery is solid
Surely it is connected to parallel shaft (speed) reducer shell side；The Oil pump electrical machinery output shaft is coaxially connected by the input shaft of spline and oil pump
It connects；The Oil pump electrical machinery control unit is set to inside two-in-one electric machine controller；
The two-in-one electric machine controller is supported on the driving motor and the Oil pump electrical machinery by several fixed pivots
On；
The driving motor, parallel shaft (speed) reducer, Oil pump electrical machinery, oil pump and two-in-one electric machine controller all pass through fixed company
The mutually integrated mode connect is an integral power system.
Wherein, the upper Power control subsystem includes upper power system controller, upper power system controller
It is electrically connected with two-in-one electric machine controller；
Further, the three-phase power line and low-voltage signal line of driving motor and two-in-one electric machine controller are in driving electricity
Machine is connected with the enclosure interior of two-in-one electric machine controller；The three-phase power line of the Oil pump electrical machinery and two-in-one electric machine controller
And low-voltage signal line is connected in Oil pump electrical machinery with the enclosure interior of two-in-one electric machine controller.
Further, the external electrical connection for driving power sub-system and hydraulic power subsystem only includes being set to two
Unify the high pressure positive and negative direct current connector and a low-voltage signal connector on electric machine controller.
Further, driving motor, Oil pump electrical machinery and two-in-one electric machine controller are all cooled down by liquid cooling mode, and
Cooling water channel is that integrated power system is internally integrated series system.
Further, the parallel shaft transmission includes the output flange on shell, output flange and electri forklift
The tooth packet ring flange of preceding bridge is connected to one after being positioned by seam allowance.
Further, the parallel shaft transmission includes several mounting holes of housing bottom, the mounting hole with it is electronic
Support arm on forklift frame is bolted to connection, and the integrated power system is avoided to rotate around front axle line.
Further, the two-in-one electric machine controller is driving motor and Oil pump electrical machinery two-in-one electric machine controller.
The control method of a kind of driving of electri forklift and Hydraulic integration dynamical system, this method are sub by upper dynamic Control
System realization, specific control method are as follows:
Step 1: upper power system controller receives signal and BMS battery management system from each man-machine operation system
The signal of system；
Step 2: pass through the software algorithm in upper power system controller, as man-machine operation system signal and BMS
Management system relevant information carries out integrated treatment as input instruction, upper power system controller, transports according to optimal vehicle
Capable and job state carries out control instruction output, coordinated control two-in-one electric machine controller；
Step 3: controlling driving motor and Oil pump electrical machinery by two-in-one electric machine controller, realizes electri forklift
Driving operation and the various of fluid-link steering and electri forklift hydraulicdriven execute movement.
Beneficial effects of the present invention:
1, the present invention can make that the dynamical system of electri forklift is highly integrated, characteristics of compact layout, and fully-integrated in structure is one
Unified entirety arranges that structure is simple, installs convenient for vehicle without distributing, greatly improve dynamical system integrated level and can
By property；
2, the present invention makes electri forklift driving and hydraulic power system be greatly decreased or even cancel the outside between each components
Cable connection reduces the resistance of the too long generation of cable while reducing assembly and installation procedure, mentions by reducing length of cable
The operational efficiency of high dynamical system extends the forklift workability time；
3, the temperature of electri forklift driving and hydraulic power system is greatly reduced by integrated form liquid cooling cooling system in the present invention
It rises, improves the reliability of integrated power system, prolongs the service life, meet more harsh electri forklift requirement.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
Fig. 1 is the entirety of electri forklift driving and Hydraulic integration dynamical system and its upper power control system of the invention
Schematic diagram；
Fig. 2 is the overall structure diagram of electri forklift driving and Hydraulic integration dynamical system of the invention；
Fig. 3 is the overall structure diagram of electri forklift driving and Hydraulic integration dynamical system of the invention；
Fig. 4 is the A direction view of Fig. 2 overall structure diagram；
Fig. 5 is the B direction view of Fig. 2 overall structure diagram；
Fig. 6 is the C direction view of Fig. 3 overall structure diagram；
Fig. 7 is the D direction view of Fig. 3 overall structure diagram；
Fig. 8 is the E direction view of Fig. 2 overall structure diagram；
Fig. 9 is the F direction view of Fig. 3 overall structure diagram.
Specific embodiment
As shown in figs 1-9, a kind of electri forklift driving and Hydraulic integration dynamical system and its control method, including driving are dynamic
Power subsystem, hydraulic power subsystem and upper Power control subsystem；
Wherein, the driving power sub-system includes driving motor 1, parallel shaft (speed) reducer 2 and driving motor control unit
301；1 output shaft of driving motor is coaxially connected by the input shaft of spline and parallel shaft (speed) reducer 2；The parallel axes slows down
Device 2 includes the gear shaft of several groups parallel arrangement, each pair of coupling gear group intermeshing on gear shaft, and afterbody exports
Differential mechanism is provided on gear shaft, wherein institute's sprocket drive spindle all passes through bearing and is set on reducer shell；The driving motor
Control unit 301 is set to inside driving motor and Oil pump electrical machinery two-in-one electric machine controller 3；
The hydraulic power subsystem includes Oil pump electrical machinery 4, oil pump 5 and Oil pump electrical machinery control unit 302；The oil pump electricity
Machine 4 is fixedly connected on the 2 shell side of parallel shaft (speed) reducer；4 output shaft of Oil pump electrical machinery is defeated by spline and oil pump 5
It is coaxially connected to enter axis；The Oil pump electrical machinery control unit 302 is set to driving motor and Oil pump electrical machinery two-in-one electric machine controller 3
It is internal；
The driving motor and Oil pump electrical machinery two-in-one electric machine controller 3 are supported on the driving by several fixed pivots
On motor 1 and the Oil pump electrical machinery 4；
Driving motor 1, parallel shaft (speed) reducer 2, Oil pump electrical machinery 4, oil pump and driving motor and Oil pump electrical machinery two-in-one motor
It is an integral power system that controller 3 is mutually integrated all by way of being fixedly connected；
Further, the upper Power control subsystem includes upper power system controller 310, upper dynamical system
Controller 310 is electrically connected with Oil pump electrical machinery two-in-one electric machine controller 3 by conducting wire 311 with driving motor；
Specific control method are as follows: upper power system controller 310 receives signal and BMS from each man-machine operation system
The signal of battery management system passes through the software algorithm in upper power system controller 310, as man-machine operation system signal
With BMS management system relevant information as input instruction, upper power system controller 310 carries out integrated treatment, according to optimal
Vehicle operation and job state carry out control instruction output, coordinated control driving motor and Oil pump electrical machinery two-in-one motor control
Device 3 is realized to carry out real-time, reasonable control to driving motor 1 and Oil pump electrical machinery 4 by two-in-one electric machine controller 3
The various hydraulic biographies of the safe, reliable, efficient driving operation of electri forklift and steady, energy-efficient fluid-link steering and electri forklift
Dynamic executes movement；
The driving and the external electrical connection of Hydraulic integration dynamical system only include being set to the driving motor and oil
A high pressure positive and negative direct current connector 303 and a low-voltage signal connector 304 on pump motor two-in-one electric machine controller 3；
The three-phase power line of the driving motor 1 and the driving motor and Oil pump electrical machinery two-in-one electric machine controller 3 and
Low-voltage signal line is connected in the driving motor 1 with the enclosure interior of the two-in-one electric machine controller 3；The Oil pump electrical machinery
4 and the driving motor and Oil pump electrical machinery two-in-one electric machine controller 3 three-phase power line and low-voltage signal line in the oil
Pump motor 4 is connected with the enclosure interior of the two-in-one electric machine controller 3；
The driving motor 1, Oil pump electrical machinery 4 and driving motor and Oil pump electrical machinery two-in-one electric machine controller 3 all pass through liquid
Cold mode is cooled down, and cooling water channel is that integrated power system is internally integrated series system；
The parallel shaft transmission 2 includes the output flange 201 on shell, before output flange 201 and electri forklift
The tooth packet ring flange of bridge is connected to one after being positioned by seam allowance；
Several mounting holes 202 of the parallel shaft transmission 2 including housing bottom, the mounting hole 202 can with it is electronic
Support arm on forklift frame is bolted to connection, and the integrated power system is avoided to rotate around front axle line.
In conclusion the present invention can make, the dynamical system of electri forklift is highly integrated, characteristics of compact layout, fully-integrated in structure
It for a unified entirety, is arranged without distributing, structure is simple, installs convenient for vehicle, greatly improves the integrated of dynamical system
Degree and reliability；Meanwhile the integrated power system is greatly decreased or even cancels the connection of the External cable between each components, passes through
Length of cable is reduced, the resistance of the too long generation of cable is reduced while reducing assembly and installation procedure, improves dynamical system
Operational efficiency extends the forklift workability time；In addition, electri forklift is greatly reduced by integrated form liquid cooling cooling system in the present invention
Driving and the temperature rise of hydraulic power subsystem, improve the reliability of integrated power system, prolong the service life, and meet more harsh
Electri forklift requirement.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (8)
1. a kind of driving of electri forklift and Hydraulic integration dynamical system, which is characterized in that including driving power sub-system, hydraulic dynamic
Power subsystem and upper Power control subsystem；
The driving power sub-system includes driving motor (1), parallel shaft (speed) reducer (2) and driving motor control unit (301)；
Driving motor (1) output shaft is coaxially connected by the input shaft of spline and parallel shaft (speed) reducer (2)；The parallel axes slows down
Device (2) includes the gear shaft of several groups parallel arrangement, each pair of coupling gear group intermeshing on gear shaft, and afterbody is defeated
Differential mechanism is provided on gear shaft out, wherein institute's sprocket drive spindle all passes through bearing and is set on reducer shell；The driving electricity
It is internal that machine control unit (301) is set to two-in-one electric machine controller (3)；
The hydraulic power subsystem includes Oil pump electrical machinery (4), oil pump (5) and Oil pump electrical machinery control unit (302)；The oil pump
Motor (4) is fixedly connected on parallel shaft (speed) reducer (2) shell side；Oil pump electrical machinery (4) output shaft passes through spline and oil pump
(5) input shaft is coaxially connected；It is internal that the Oil pump electrical machinery control unit (302) is set to two-in-one electric machine controller (3)；
The two-in-one electric machine controller (3) is supported on the driving motor (1) and oil pump electricity by several fixed pivots
On machine (4)；
Driving motor (1), parallel shaft (speed) reducer (2), Oil pump electrical machinery (4), oil pump (5) and two-in-one electric machine controller (3) are all logical
It is an integral power system that it is mutually integrated, which to cross the mode being fixedly connected,；
Wherein, the upper Power control subsystem includes upper power system controller (310), upper power system controller
(310) it is electrically connected with two-in-one electric machine controller (3).
2. electri forklift driving according to claim 1 and Hydraulic integration dynamical system, which is characterized in that driving motor
(1) and the three-phase power line of two-in-one electric machine controller (3) and low-voltage signal line are in driving motor (1) and two-in-one motor control
The enclosure interior of device (3) processed connects；The three-phase power line and low-voltage signal of Oil pump electrical machinery (4) and two-in-one electric machine controller (3)
Line is connected in Oil pump electrical machinery (4) with the enclosure interior of two-in-one electric machine controller (3).
3. electri forklift driving according to claim 1 and Hydraulic integration dynamical system, which is characterized in that driving power
The external electrical connection of system and hydraulic power subsystem only includes a height being set on two-in-one electric machine controller (3)
Press positive and negative direct current connector (303) and a low-voltage signal connector (304).
4. electri forklift driving according to claim 1 and Hydraulic integration dynamical system, which is characterized in that driving motor
(1), Oil pump electrical machinery (4) and two-in-one electric machine controller (3) are all cooled down by liquid cooling mode, and cooling water channel is integrated dynamic
Force system is internally integrated series system.
5. electri forklift driving according to claim 1 and Hydraulic integration dynamical system, which is characterized in that the parallel axes
Speed changer includes the output flange (201) on shell, and output flange (201) and the tooth packet ring flange of electric fork front axle are logical
It is connected to one after crossing seam allowance positioning.
6. electri forklift driving according to claim 1 and Hydraulic integration dynamical system, which is characterized in that the parallel axes
Speed changer includes several mounting holes (202) of housing bottom, the support arm on the mounting hole (202) and electri forklift vehicle frame
It is bolted to connection.
7. a kind of electri forklift driving according to claim 1 and Hydraulic integration dynamical system, which is characterized in that described two
Unifying electric machine controller (3) is driving motor and Oil pump electrical machinery two-in-one electric machine controller.
8. the control method of a kind of electri forklift driving according to claim 1 and Hydraulic integration dynamical system, feature
It is, which is realized by upper Power control subsystem, specific control method are as follows:
Step 1: upper power system controller (310) receives signal and BMS battery management system from each man-machine operation system
The signal of system；
Step 2: pass through the software algorithm in upper power system controller (310), as man-machine operation system signal and BMS
Management system relevant information is as input instruction, and upper power system controller (310) carries out integrated treatment, according to optimal vehicle
Operation and job state carry out control instruction output, coordinated control two-in-one electric machine controller；
Step 3: controlling driving motor (1) and Oil pump electrical machinery (4) by two-in-one electric machine controller, realizes electric fork
The various of the driving operation and fluid-link steering of vehicle and electri forklift hydraulicdriven execute movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394602.2A CN110002370B (en) | 2019-05-13 | 2019-05-13 | Electric forklift driving and hydraulic integrated power system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910394602.2A CN110002370B (en) | 2019-05-13 | 2019-05-13 | Electric forklift driving and hydraulic integrated power system and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110002370A true CN110002370A (en) | 2019-07-12 |
| CN110002370B CN110002370B (en) | 2024-01-05 |
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Cited By (9)
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| CN110541446A (en) * | 2019-09-09 | 2019-12-06 | 山东中叉重工机械有限公司 | Electrical control system for 5-ton electric loader |
| CN110790195A (en) * | 2019-11-27 | 2020-02-14 | 安徽维德电源有限公司 | Integrated power system of electric forklift and whole-vehicle arrangement method thereof |
| CN110790196A (en) * | 2019-11-27 | 2020-02-14 | 安徽维德电源有限公司 | Medium-large tonnage electric forklift integrated power system and control method thereof |
| CN110920369A (en) * | 2019-12-17 | 2020-03-27 | 安徽维德电源有限公司 | Integrated power system of electric industrial vehicle and control method thereof |
| CN111532142A (en) * | 2020-02-29 | 2020-08-14 | 中国煤炭科工集团太原研究院有限公司 | Electro-hydraulic control automatic clutch device for coal mine electric engineering vehicle |
| CN112303209A (en) * | 2020-10-30 | 2021-02-02 | 重庆长安汽车股份有限公司 | DCT transmission electronic oil pump arrangement structure and vehicle |
| CN113086002A (en) * | 2021-05-25 | 2021-07-09 | 杭叉集团股份有限公司 | Automatic industrial vehicle power unit of adjusting |
| WO2022041784A1 (en) * | 2020-08-27 | 2022-03-03 | 安徽维德电源有限公司 | Liquid cooling type electric forklift integrated power system and forklift |
| US20230129714A1 (en) * | 2020-08-27 | 2023-04-27 | ANHUI WEIDE POWER SUPPLY Co.,Ltd. | Liquid-cooled integrative power system for electric forklift and control method thereof |
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