CN201010489Y - Hybrid forklift truck - Google Patents
Hybrid forklift truck Download PDFInfo
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- CN201010489Y CN201010489Y CNU2007200347027U CN200720034702U CN201010489Y CN 201010489 Y CN201010489 Y CN 201010489Y CN U2007200347027 U CNU2007200347027 U CN U2007200347027U CN 200720034702 U CN200720034702 U CN 200720034702U CN 201010489 Y CN201010489 Y CN 201010489Y
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Abstract
The utility model relates to a mixed power forklift, in particular to a loading-unloading operation device with simple structure and utilizing mixed power, which belongs to the technical field of loading-unloading device. The utility model mainly comprises an engine, a generator/motor, an inversion system, a hydraulic oil pump, an ECU controller, an inversion system, a loading-unloading device, a walking device, as well as a control device. The utility model is characterized in that the generator/motor is arranged on the engine flywheel end, which is driven by the engine when working with the generator model, so as to be connected with and controlled the inversion system through the ECU controller; the other end of the motor is connected with the hydraulic oil pump through a driving system and is driven by the engine. The utility model can make the arrangement of the forklift integral power device simplified and compact; can improve the engine operating efficiency to improve the energy conversion efficiency; moreover, the utility model improves the required response time for upgrading the power due to steep rise of loading-unloading strain, thereby making easy loading-unloading operations, and reducing the complexity of the ECU controller.
Description
Technical field
The utility model relates to a kind of fork truck that adopts mixed power plant, and in particular a kind of loading and unloading operation device that utilizes hybrid power simple in structure belongs to the handler technical field.
Background technology
At present, existing hybrid power forklift, as patent publication No. is that CN1839091A is disclosed: a kind of loading and unloading operation handler of industrial vehicle, and it mainly comprises driving engine, generator/motor, hydraulic oil pump, inversion system, ECU controller, running gear, actuation means and handler; Generator/motor connection inversion system and connection are used for the storage battery of energy storage; Hydraulic oil pump connects handler; With above-mentioned inversion system bonded assembly running gear; The actuation means of controlling above-mentioned handler and running gear is connected with the ECU controller.The power-transfer clutch that carries out the disconnecting of power between the two at driving engine and generator motor, battery and in order to drive the loading and unloading pump of fork, generator motor adopts any pattern in generator mode and the electric motor mode, when loading and unloading load (detecting), clutch is set as off-state less than predetermined value with the loading and unloading lever position sensor, driving engine is stopped or dallying, generator motor with electric motor mode drives the loading and unloading pump simultaneously, if load increases to more than the predetermined value in the loading and unloading operation under the power-transfer clutch off-state, just increase the output of generator motor and begin to increase the rotating speed of driving engine, when the rotating speed of driving engine equates with the rotating speed of generator motor, power-transfer clutch is set as coupled condition, loads and unloads pump with engine drive.This complex structure, manufacturing cost height, and use power-transfer clutch to reduce driving efficiency.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provides a kind of without the clutch hybrid fork truck, can make fork truck single-piece engine installation arrange simplification, densification; Can improve the conversion efficiency of energy with the efficient that improves the driving engine operation; Low cost of manufacture, practical, make loading and unloading operation become light.
Main solution of the present utility model is achieved in that
The utility model mainly comprises driving engine, generator/motor, hydraulic oil pump, inversion system, ECU controller, running gear, actuation means and handler; Generator/motor connection inversion system and connection are used for the storage battery of energy storage; Hydraulic oil pump connects handler; With above-mentioned inversion system bonded assembly running gear; The actuation means of controlling above-mentioned handler and running gear is connected with the ECU controller, it is characterized in that described generator/motor is installed in the flywheel end of driving engine, when working with generator mode by described engine drive, connect the control inversion system by the ECU controller, charge a battery or the electric energy of driving is provided for described running gear, the inversion system of being controlled via the ECU controller by storage battery when working with electric motor mode provides energy, and auxiliary engine drives hydraulic oil pump; The other end of driving engine connects hydraulic oil pump by transmission system, and by described engine drive.
Driving engine described in the utility model is connected with hydraulic oil pump by transmission system.
Transmission system described in the utility model adopts pinion unit or chain gear system.
Movable motor described in the utility model adopts AC induction motor.
Generator/motor described in the utility model is multipole permanent magnetism inner-rotor-type generator/motor.
Steering hardware in the running gear described in the utility model is not limited to hydraulic steering mechanism, can also be electric steering mechanism.
Generator/motor described in the utility model can also be an electrical generator.
The utility model with have the sixth of the twelve Earthly Branches technology to compare to have the following advantages:
The utility model makes fork truck single-piece engine installation arrange simplification, densification owing to adopt the structure of driving engine, hydraulic oil pump, generator/motor integrated setting; The rotating speed of driving engine can be controlled according to the loading and unloading magnitude of load by the ECU controller, the control driving engine is under the most economical operating mode and moves when loading and unloading load is not more than setting value, have only when loading and unloading load greater than setting value, the rotating speed of driving engine just promotes, power demand is complementary during with loading and unloading operation, improves the conversion efficiency of energy with the efficient that improves the driving engine operation; By its integrated setting, improved simultaneously because the response time that the rapid rising required drive of loading and unloading load promotes becomes easily loading and unloading operation, and reduced the complexity of ECU controller; Low cost of manufacture, practical new strong, the engine power that is mated can be littler by 15%～30% than the engine power of traditional diesel fork lift truck.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the A partial enlarged drawing of the utility model embodiment one.
Fig. 3 is the hybrid power forklift block diagram of the utility model embodiment one.
Fig. 4 is the hybrid power forklift block diagram of the utility model embodiment two.
Fig. 5 is the hybrid power forklift block diagram of the utility model embodiment three.
Fig. 6 is the hybrid power forklift block diagram of the utility model embodiment four.
The specific embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
The utility model is mainly by driving engine 1, generator/motor 2, hydraulic oil pump 3, driving engine electric-regulating device 4, petrol storage tank 5, ECU controller 6, inversion system 7, storage battery 8, pressure sensor 9, fluid-link steering valve 10, transmission system 11, multiway valve 12, elevating ram 13, fork 14, dump ram 15, acceleration pedal 16, brake pedal 17, promote bar handle 18, bank control handle 19, walking bar handle 20, steer motor 21, steering hydraulic pump 22, steering handwheel 23, deflector 24, back steeraxle 25, turn to oil cylinder 26, movable motor 27, propons 28, running gear 29, actuation means 30, handler 31, engine installation 32, electrical generator 33, electric direction varying device 34, compositions such as electric powered steering bridge 35 and steer motor 36.
Embodiment one:
As shown in Figure 1, 2, 3: the utility model mainly is made up of running gear 29, actuation means 30, handler 31, engine installation 32 and ECU controller 6 etc.
The utility model engine installation 32 mainly is made up of driving engine 1, generator/motor 2, hydraulic oil pump 3, electrical generator electric-regulating device 4, petrol storage tank 5, inversion system 7, storage battery 8, oil pressure sensor 9, hydraulic directional control valve 10 and transmission system 11 etc., and it maybe can be chain gear system that transmission system 11 adopts pinion unit.Adopt driving engine electric-regulating device 4 to be arranged on the driving engine 1, driving engine electric-regulating device 4 is connected with ECU controller 6, drives and control the operating condition of driving engine 1 according to the rotation control signal of ECU controller 6.Hydraulic oil pump 3 is installed in the gear chamber end of driving engine 1, and is driven by described driving engine 1, and the pressure fluid of driving is provided for described handler 31; Described generator/motor 2 is installed in the flywheel end of driving engine 1, the internal rotor of generator/motor 2 is connected with the swivel direct connection of driving engine 1 or with unitor, the external stator of generator/motor 2 is installed on the driving engine 1, generator/motor 2 can select the pattern of one of electrical generator or electrical motor to come work by 6 controls of ECU controller, by ECU controller control inversion system 7.The other end of driving engine 1 connects hydraulic oil pump 3 by transmission system 11 (gear transmission), the oil outlet of hydraulic oil pump 3 connects multiway valve 12 in the handler 31 with pipeline, oil pressure sensor 9, hydraulic directional control valve 10 are installed in the pipeline, oil pressure sensor 9 is located on the oil outlet end or fuel-displaced pipeline of hydraulic oil pump 3, is used to detect the pressure of hydraulic oil; Hydraulic oil pump 3 carries out loading and unloading operation for handler 31 provides hydraulic oil to drive handler 31.Generator/motor 2 connects the inversion system 7 by 6 controls of ECU controller, and inversion system 7 is given ECU controller 6 with signal feedback such as the rotating speed of generator/motor 2, electric current, temperature.Inversion system 7 is connected with the storage battery 8 that is used for energy storage; Inversion system 7 provides power to running gear 29, and hydraulic oil pump 3 connects petrol storage tank 5, and petrol storage tank 5 connects handler 31; ECU controller 6 is connected with actuation means 30.
Above-mentioned ECU controller 6 during according to the fork truck loading and unloading operation signal of oil pressure sensor 9 judge payload and control the mode of operation of generator/motor 2, when the loading and unloading operation load is not more than setting value, instruction generator/motor 2 is in the electrical generator mode of operation, when loading and unloading operation is loaded greater than setting value, instruction generator/motor 2 is in the electrical motor mode of operation, power to electrical motor by inversion system 7 by storage battery 8, and the power at control motor increases along with the increase of loading and unloading operation load, and auxiliary engine provides driving power for hydraulic oil pump 3.
Actuation means 30 described in the utility model mainly is made up of acceleration pedal 16, brake pedal 17, lifting bar handle 18, bank control handle 19 and walking bar handle 20 etc., and acceleration pedal 16, brake pedal 17, lifting bar handle 18, bank control handle 19 and walking bar handle 20 are connected with ECU controller 6 by lead respectively.Handling device 30 mainly be to send out job instruction corresponding to fork truck, give ECU controller 6 corresponding instruction via each function bar handle, make ECU controller 6 control engine installations 32, handler 31 and running gear 29 do relative operation.
Running gear 29 described in the utility model, its mainly by steer motor 21, power steerig pump 22, steering handwheel 23, deflector 24, back steeraxle 25, turn to oil cylinder 26, movable motor 27, propons 28 etc. to form.Adopt movable motor 27 to be installed on the propons 28, or make one, and be connected with inversion system 7 with propons 28; Traveling gear movable motor 27 adopts AC induction motor.Steering hardware adopts hydraulic power-assisted steering mechanism or electric steering mechanism, hydraulic power-assisted steering mechanism adopts and turns to oil cylinder 26 to be installed on the steeraxle 25 of back, turn to oil cylinder 26 two ends to be connected with deflector 24 respectively by oil pipe, steering handwheel 23 is arranged in the deflector 24, deflector 24 is connected with power steerig pump 22, power steerig pump 22 is connected with petrol storage tank 5, and power steerig pump 22 connects steer motor 21, and steer motor 21 is connected with inversion system 7 and ECU controller 6 respectively.
The utility model above line walking apparatus 29 provides power by storage battery or electrical generator by inversion system, and by the ECU controller according to the signal of operating control control fork truck walking, stop, the speed of travel and direction of travel.
Principle of work of the present utility model:
Hydraulic oil pump is used for providing driving hydraulic oil to the elevating ram and the dump ram of fork truck loading and unloading device in the utility model, be provided with the walking of running motor powered vehicle in the running gear, being provided with steering motor drives the steering hydraulic oil pump and provides to steeraxle and turn to propulsive effort, make the easier manipulation of steeraxle, be provided with energy recycle device in the movable motor, fork truck stopped or the braking energy during descending reclaims, and by inversion system with energy storage in storage battery.When loading and unloading are negative when being not more than setting value, only provide power to handler with driving engine, running gear provides power by storage battery or generator/motor with power generation mode; When loading and unloading were born greater than setting value, driving engine and generator/motor were that handler provides power with electric motor mode simultaneously, guarantee easily finishing of loading and unloading operation, and the running gear of this moment provides power by storage battery.
Embodiment two:
Shown in Figure 4 is second embodiment of the utility model hybrid power forklift, and it is actually the further simplification of first embodiment, uses electrical generator 33 without generator/motor 2, and electrical generator 33 is driven by driving engine 1, only can be with power generation mode work.Electrical generator 33 connects inversion system 7, and inversion system 7 movable motors 27 direct and in the running gear 29 are connected.Via ECU controller 6 control inversion systems 7, energy is provided for the running gear 29 and the storage battery 8 of fork truck, its principle of work has been cancelled the mode of operation with electrical motor with first embodiment, further reduce the complexity of ECU controller 6, play the effect of cost-cutting.
Embodiment three:
Shown in Figure 5: as to have cancelled steer motor 21 and steering hydraulic pump 22 in the utility model embodiment three described running gears 29.Running gear 29 mainly by steering handwheel 23, deflector 24, back steeraxle 25, turn to oil cylinder 26, movable motor 27, propons 28 etc. to form; Movable motor 27 is installed on the propons 28, or make one with propons 28, and be connected with inversion system 7, turn to oil cylinder 26 to be installed on the steeraxle 25 of back, turn to oil cylinder 26 two ends to be connected with deflector 24 respectively by pipeline, steering handwheel 23 is arranged in the deflector 24, and deflector 24 is connected with ECU controller 6.Turn to required hydraulic oil to provide, further simplified structure and minimizing parts by hydraulic oil pump 3; The turn sign that steering handwheel 23 sends is given ECU controller 6, and instruct for hydraulic pressure change-over valve 10 by ECU controller 6 and close oil return line, be in closed condition as fluid-link steering valve 10 and then do not moved this moment, provide power by hydraulic oil pump 3 to deflector 24, and turn to oil cylinder 26 to drive back steeraxles 25 by deflector 24 control, make fork truck make handling maneuver, all the other functions are identical with figure one embodiment, no longer tell at this.
Embodiment four:
Shown in Figure 6: as not adopt hydraulic steering mechanism in the running gear 29 of the utility model embodiment four, and adopt electric steering mechanism.Running gear 29 mainly is made up of steering handwheel 23, electric direction varying device 34, back steeraxle 25, electric powered steering bridge 35, movable motor 27, propons 28 and steer motor 36 etc.; Movable motor 27 is installed on the propons 28, or makes one with propons 28, and is connected with inversion system 7.Electric steering mechanism adopts electric powered steering bridge 35 to be installed on the steeraxle 25 of back, and steer motor 36 is set on the electric powered steering bridge 35, and steer motor 36 is connected with inversion system 7 by lead, and steeraxle 35 is connected with ECU controller 6 by lead.Steering handwheel 23 is arranged on the electric direction varying device 34, and electric direction varying device 34 is connected with ECU controller 6 by lead.Electric steering mechanism provides power by storage battery 8 or generator/motor 2, when steering handwheel 23 sends turn sign, by electric direction varying device 34 signal is passed to ECU controller 6, ECU controller 6 is handled the back and is provided signal to inversion system 7, drives 35 actions of steer motor 36 control electric powered steering bridges, drives back steeraxle 25, make fork truck make handling maneuver, electric powered steering bridge 35 is informed the steering state parameter also to ECU controller 6 feedback signals simultaneously, and its function is identical with figure one embodiment.
Claims (6)
1. a hybrid power forklift comprises driving engine (1), generator/motor (2), hydraulic oil pump (3), ECU controller (6), inversion system (7), running gear (29), actuation means (30) and handler (31); Generator/motor (2) connects inversion system (7) and connects the storage battery (8) that is used for energy storage; Hydraulic oil pump (3) connects handler (31); With above-mentioned inversion system (7) bonded assembly running gear (29); The actuation means (30) of controlling above-mentioned handler (31) and running gear (29) is connected with ECU controller (6), it is characterized in that: described generator/motor (2) is installed in the flywheel end of driving engine (1), is driven by described driving engine (1) when working with generator mode; The other end of driving engine (1) connects hydraulic oil pump (3) by transmission system (11), is driven by described driving engine (1).
2. a kind of hybrid power forklift according to claim 1 is characterized in that described transmission system (11) is a pinion unit.
3. a kind of hybrid power forklift according to claim 1 is characterized in that described transmission system (11) can be a chain gear system.
4. a kind of hybrid power forklift according to claim 1 is characterized in that the movable motor (27) in the described running gear (29) adopts AC induction motor.
5. a kind of hybrid power forklift according to claim 1 is characterized in that described generator/motor (2) is multipole permanent magnetism inner-rotor-type generator/motor.
6. a kind of hybrid power forklift according to claim 1 is characterized in that described generator/motor (2) can be electrical generator (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200347027U CN201010489Y (en) | 2007-02-12 | 2007-02-12 | Hybrid forklift truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200347027U CN201010489Y (en) | 2007-02-12 | 2007-02-12 | Hybrid forklift truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201010489Y true CN201010489Y (en) | 2008-01-23 |
Family
ID=39045429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200347027U Expired - Fee Related CN201010489Y (en) | 2007-02-12 | 2007-02-12 | Hybrid forklift truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201010489Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103641032A (en) * | 2014-01-09 | 2014-03-19 | 安徽威玛重型机械制造有限公司 | Electric reach truck |
| CN104039680A (en) * | 2013-01-08 | 2014-09-10 | 株式会社小松制作所 | Battery forklift |
| CN104960567A (en) * | 2015-06-24 | 2015-10-07 | 浙江中力机械有限公司 | Single-drive three-pivot forklift |
| CN110538408A (en) * | 2018-05-29 | 2019-12-06 | 艾伯特齐格勒有限责任公司 | fire fighting vehicle and method for operating a fire fighting vehicle |
| CN110588631A (en) * | 2019-09-20 | 2019-12-20 | 安徽合力股份有限公司 | Control method of hybrid power system |
-
2007
- 2007-02-12 CN CNU2007200347027U patent/CN201010489Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104039680A (en) * | 2013-01-08 | 2014-09-10 | 株式会社小松制作所 | Battery forklift |
| CN104039680B (en) * | 2013-01-08 | 2016-06-08 | 株式会社小松制作所 | Battery-type fork truck |
| US9365401B2 (en) | 2013-01-08 | 2016-06-14 | Komatsu Ltd. | Battery powered forklift |
| CN103641032A (en) * | 2014-01-09 | 2014-03-19 | 安徽威玛重型机械制造有限公司 | Electric reach truck |
| CN104960567A (en) * | 2015-06-24 | 2015-10-07 | 浙江中力机械有限公司 | Single-drive three-pivot forklift |
| CN110538408A (en) * | 2018-05-29 | 2019-12-06 | 艾伯特齐格勒有限责任公司 | fire fighting vehicle and method for operating a fire fighting vehicle |
| CN110588631A (en) * | 2019-09-20 | 2019-12-20 | 安徽合力股份有限公司 | Control method of hybrid power system |
| CN110588631B (en) * | 2019-09-20 | 2021-03-26 | 安徽合力股份有限公司 | Control method of hybrid power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20140212 |