CN203172416U - Electric industrial vehicle with functions of walking energy regeneration and descending energy regeneration - Google Patents
Electric industrial vehicle with functions of walking energy regeneration and descending energy regeneration Download PDFInfo
- Publication number
- CN203172416U CN203172416U CN2013202134482U CN201320213448U CN203172416U CN 203172416 U CN203172416 U CN 203172416U CN 2013202134482 U CN2013202134482 U CN 2013202134482U CN 201320213448 U CN201320213448 U CN 201320213448U CN 203172416 U CN203172416 U CN 203172416U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- inverter
- energy
- motor
- utmost point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Classifications
-
- 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
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to an electric industrial vehicle with functions of walking energy regeneration and descending energy regeneration. The electric industrial vehicle with the functions of walking energy regeneration and descending energy regeneration comprises two sets of driving wheels, a gear coupling box, a first traction motor, a second traction motor, a first hydraulic motor, a second hydraulic motor, a first inverter, a second inverter, a third inverter, a fourth inverter, an electric power storage unit, a pump/motor, a duplicate gear pump, a control valve, a hydraulic braking device, a steering gear, a steering hydraulic cylinder, a lifting hydraulic cylinder and an inclining hydraulic cylinder. Compared with common vehicles, the electric industrial vehicle with the functions of walking energy regeneration and descending energy regeneration is additionally provided with a descending energy regeneration recovery system, the whole vehicle energy recovering rate can be more than doubled, the whole vehicle operation time can be prolonged by at least 30%, and the storage battery capacity can be reduced by 30% under the condition of capability of meeting operation time requirement, so that the electric industrial vehicle with the functions of walking energy regeneration and descending energy regeneration can effectively facilitate the whole vehicle space layout. Meanwhile, the driving transmission system utilizes a dual-motor parallel-coupling driving mode to solve the deficiencies such as space layout problem, cost problem and heating problem due to a single-motor driving mode.
Description
Technical field
The utility model belongs to the industrial vehicle technical field, is specifically related to electric industry vehicle.
Background technology
Current, the earth energy problem manifests day by day, and some main industrial vehicles are made the commercial city in the solution of seeking the vehicle power supply.Present electric industry vehicle, especially fork load-unload vehicle, the overwhelming majority has upgraded and has driven (containing traction and hydraulic part) form for exchanging, and the vehicle regenerated energy that is applied as that exchanges control technology reclaims huge profit with having laid a good foundation.Existing electric industry vehicle, energy reclaim and mainly come from the energy regeneration of travelling, and the regenerated energy recovery utilization rate of this part is very low, and be namely energy-saving not enough, can not well solve vehicle power supply problem; And for the hydraulic efficiency gear part of fork load-unload vehicle, can produce bigger regenerated energy, the heavier vehicle of some handling goods especially, producible regenerated energy will be bigger, the regenerated energy of this part does not utilize, and can't further promote the energy saving of vehicle.
The utility model content
In order to solve little, the car load energy saving difference problem of common electric loading and unloading vehicle energy yield, solve simultaneously that vehicle energy storage equipment (as storage battery) capacity is big, cost is high, volume is big, to problem such as vehicle layout is unfavorable, the utility model provides a kind of electric industry vehicle with walking energy regeneration and decline energy regeneration function, regenerated energy when wherein first's energy reclaims and to come from vehicle and travel, the second portion energy reclaims the goods that comes from the vehicle loading and unloading and is dropping to the regenerated energy that produces the process of low level from a high position.
A kind of electric industry vehicle with walking energy regeneration and decline energy regeneration function comprises two groups of drive wheels 1, gear coupling case 2, first traction electric machine 3, second traction electric machine 4, first hydraulic electric motor 5, second hydraulic electric motor 6, first inverter 7, second inverter 8, the 3rd inverter 9, the 4th inverter 10, electricity accumulating unit 11, pump/motor 12, duplex gear pump 13, control cock 14, hydraulic brake system 15, deflector 16, hydraulic steering cylinder 17, the hydraulic actuating cylinder 18 that hoists, hydraulic tilt cylinder 19; Two groups of drive wheels 1 are installed on the wheel hub at vehicle drive axle two ends.Gear coupling case 2 has two input shafts and an output shaft, output shaft is that main reduction gear spiral driving gear is connected by external transmission shaft and drive axle input end, and two input shaft ends are connected by the castellated shaft of spline with first traction electric machine 3 and second traction electric machine 4 respectively; The effect of gear coupling case 2 is with the power of first traction electric machine 3 and 4 outputs of second traction electric machine, behind the coupling case, two strands of power is merged into one, outputs at last on two groups of drive wheels 1;
First traction electric machine 3 and second traction electric machine 4 are ac three-phase asynchronous motor.The three-phase U utmost point on first traction electric machine 3, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on first inverter 7 respectively; The three-phase U utmost point on second traction electric machine 4, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on second inverter 8 respectively;
First inverter 7 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively; Second inverter 8 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively; First inverter 7 and second inverter 8 are controlled first traction electric machine 3 and second traction electric machine 4 respectively; Equally, the regenerated energy that vehicle can be travelled feeds back to first inverter 7 and second inverter 8 respectively by first traction electric machine 3 and second traction electric machine 4; Regenerated energy is respectively after first inverter 7 and 8 inversions of second inverter, feed back to by the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges;
First hydraulic electric motor 5 is phase asynchronous induction motor (IM), and its three-phase U utmost point, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on the 3rd inverter 9 respectively;
Second hydraulic electric motor 6 is phase asynchronous induction motor (IM), and its three-phase U utmost point, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on the 4th inverter 10 respectively;
The 3rd inverter 9 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively; The 4th inverter 10 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively; The 3rd inverter 9 and the 4th inverter 10 are controlled first hydraulic electric motor 5 and second hydraulic electric motor 6 respectively; The regenerated energy that the rise and fall hydraulic efficiency gear produces feeds back to the 4th inverter 10 by second hydraulic electric motor 6, regenerated energy is after 10 inversions of the 4th inverter, feed back to by the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges;
The positive pole of electricity accumulating unit 11, negative pole are connected with positive pole, the negative pole of first inverter 7, second inverter 8, the 3rd inverter 9 and the 4th inverter 10; Electricity accumulating unit 11 is as the energy storage module of Vehicular system, at first for the consumption of power unit provides electric energy, moreover the regenerative electric energy that is not directly utilized after first inverter 7, second inverter 8 and 10 inversions of the 4th inverter stored;
Pump/motor 12 as oil pump, is that oil motor uses during decline when equipment hoists, and its castellated shaft is connected with the spline of second hydraulic electric motor 6; Delivery port is connected to control cock 14 by oil circuit; Pump/motor 12 can be converted to the hydraulic pressure energy with the mechanical energy of second hydraulic electric motor, 6 outputs, outputs to control cock 14 again, carries out hydraulic energy and distributes; Equally, this pump/motor can will hoist hydraulic actuating cylinder 18 when goods descends, the hydraulic pressure that goods potential energy forms can arrive the pump/motor entrance by oil circuit, motor is produced mechanical energy drive 6 rotations of second hydraulic electric motor, produce regenerated energy by second hydraulic electric motor 6 and feed back to the 4th inverter 10, regenerated energy is after 10 inversions of the 4th inverter, feed back to by the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges;
The castellated shaft of duplex gear pump 13 is connected with the spline of first hydraulic electric motor 5; One road delivery port is connected to control cock 14 by oil circuit, and one road delivery port is connected to hydraulic brake system 15 by oil circuit; Duplex gear pump 13 is the hydraulic pressure energy with the transformation of energy of first hydraulic electric motor, 5 outputs, and the main pump energy of duplex gear pump 13 outputs to control cock 14, carries out hydraulic energy and distributes; The auxiliary pump energy of duplex gear pump 13 outputs to hydraulic brake system 15, buys car in installments and carries out hydraulic braking;
Be connected by oil circuit between control cock 14 and deflector 16, the hydraulic actuating cylinder 18 that hoists, the hydraulic tilt cylinder 19; Be connected by oil circuit between deflector 16 and the hydraulic steering cylinder 17; Control cock 14 is shunted the hydraulic energy that duplex gear pump 13 is input to, and energy drain preferentially is delivered to deflector 16 and then arrives hydraulic steering cylinder 17, forms the Vehicular turn action; Control cock 14 is collaborated the hydraulic energy that pump/motor 12 and duplex gear pump 13 are input to, and the interflow energy is delivered to the hydraulic actuating cylinder 18 that hoists, and forms the action that hoists of equipment; Control cock 14 is shunted the hydraulic energy that duplex gear pump 13 is input to, and energy drain is delivered to hydraulic tilt cylinder 19 or the use of other accessory actuating unit, actions such as the inclination of formation equipment or sidesway;
Driving transmission agent is by first traction electric machine 3 and second traction electric machine, 4 parallel drive, and power outputs to two groups of drive wheels 1 after 2 couplings of gear coupling case;
The hydraulic efficiency gear system is driven by first hydraulic electric motor 5 and second hydraulic electric motor 6, pump/motor 12 and duplex gear pump 13 are for hydraulic actuator provides energy, and pump/motor 12 can also can be converted to the hydraulic pressure of hydraulic efficiency gear mechanical energy and drive 6 rotations of second hydraulic electric motor and produce regenerated energy.
The utility model is compared the advantage with following aspect with prior art products:
1. increased by one road energy-recuperation system, made the Energy Efficient of originally wasting at hydraulic efficiency gear obtain recycling, through verification experimental verification, the car load energy recovery rate improves more than 1 times, has further promoted automobile energy-saving;
2. the car load production time prolongs at least 30%;
3. satisfying under the production time requirement, accumulator capacity can reduce 30%; Like this, the storage battery volume also reduces thereupon, is more conducive to the space layout of car load; The storage battery cost descends thereupon; Especially to the large-tonnage industrial vehicle, effect is more obvious;
4. driving transmission agent adopts the double-motor Parallel coupled to drive, and has solved single motor and has driven bring unfavorable, and as single heavy-duty motor, its size is bigger, and is unfavorable to the car load layout; Simultaneously, single heavy-duty motor need mate more high-capacity controller, and at present big capacity control does not have advantage aspect cost.
Description of drawings
Fig. 1 is the utility model structural representation.
Sequence number among the last figure: drive wheel 1, gear coupling case 2, first traction electric machine 3, second traction electric machine 4, first hydraulic electric motor 5, second hydraulic electric motor 6, first inverter 7, second inverter 8, the 3rd inverter 9, the 4th inverter 10, electricity accumulating unit 11, pump/motor 12, duplex gear pump 13, control cock 14, hydraulic brake system 15, deflector 16, hydraulic steering cylinder 17, the hydraulic actuating cylinder 18 that hoists, hydraulic tilt cylinder 19.
The specific embodiment
Below in conjunction with accompanying drawing, do to describe further by the utility model of embodiment.
Referring to Fig. 1, a kind of electric industry vehicle with walking energy regeneration and decline energy regeneration function comprises assemblies compositions such as drive wheel 1, gear coupling case 2, first traction electric machine 3, second traction electric machine 4, first hydraulic electric motor 5, second hydraulic electric motor 6, first inverter 7, second inverter 8, the 3rd inverter 9, the 4th inverter 10, electricity accumulating unit 11, pump/motor 12, duplex gear pump 13, control cock 14, hydraulic brake system 15, deflector 16, hydraulic steering cylinder 17, the hydraulic actuating cylinder 18 that hoists, hydraulic tilt cylinder 19.
Drive wheel 1 is installed on the wheel hub at vehicle drive axle two ends.
First traction electric machine 3 and second traction electric machine 4 are ac three-phase asynchronous motor.The three-phase U utmost point on first traction electric machine 3, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on first inverter 7 respectively; The three-phase U utmost point on second traction electric machine 4, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on second inverter 8 respectively.
First inverter 7 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively.
Second inverter 8 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively.
First hydraulic electric motor 5 is phase asynchronous induction motor (IM), and its three-phase U utmost point, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on the 3rd inverter 9 respectively.
Second hydraulic electric motor 6 is phase asynchronous induction motor (IM), and the three-phase U utmost point on its motor, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on the 4th inverter 10 respectively.
The 3rd inverter 9 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively.
The 4th inverter 10 be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit 11 respectively.
The positive pole of electricity accumulating unit 11, negative pole are connected with positive pole, the negative pole of first inverter 7, second inverter 8, the 3rd inverter 9 and the 4th inverter 10.
The castellated shaft of pump/motor 12 is connected with the spline of second hydraulic electric motor 6; Delivery port is connected to control cock 14 by oil circuit.
The castellated shaft of duplex gear pump 13 is connected with the spline of first hydraulic electric motor 5; One road delivery port is connected to control cock 14 by oil circuit, and one road delivery port is connected to hydraulic brake system 15 by oil circuit.
Be connected by oil circuit between control cock 14 and deflector 16, the hydraulic actuating cylinder 18 that hoists, the hydraulic tilt cylinder 19.
Be connected by oil circuit between deflector 16 and the hydraulic steering cylinder 17.
Each parts mainly is described below: drive wheel 1, be installed on the two ends of vehicle drive axle, and play the support vehicle effect, receive the power that the drive axle input comes simultaneously, propulsive effort is transformed into ground, make vehicle travel.
First traction electric machine 3 and second traction electric machine 4 are phase asynchronous induction motor (IM).
First hydraulic electric motor 5 and second hydraulic electric motor 6 are phase asynchronous induction motor (IM).
First inverter 7 and second inverter 8 are controlled first traction electric machine 3 and second traction electric machine 4 respectively; Equally, the regenerated energy that vehicle can be travelled feeds back to first inverter 7 and second inverter 8 respectively by first traction electric machine 3 and second traction electric machine 4; Regenerated energy is respectively after first inverter 7 and 8 inversions of second inverter, feed back to by the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges.
The 3rd inverter 9 and the 4th inverter 10 are controlled first hydraulic electric motor 5 and second hydraulic electric motor 6 respectively; The regenerated energy that the rise and fall hydraulic efficiency gear produces feeds back to the 4th inverter 10 by second hydraulic electric motor 6, regenerated energy is after 10 inversions of the 4th inverter, feed back to by the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges.
Pump/motor 12 as oil pump, is that oil motor uses during decline when equipment hoists, and the mechanical energy of second hydraulic electric motor, 6 outputs can be converted to the hydraulic pressure energy, outputs to control cock 14 again, carries out hydraulic energy and distributes; Equally, this pump/motor can will hoist hydraulic actuating cylinder 18 when goods descends, the hydraulic pressure that goods potential energy forms can arrive the pump/motor entrance by oil circuit, motor is produced mechanical energy drive 6 rotations of second hydraulic electric motor, produce regenerated energy by second hydraulic electric motor 6 and feed back to the 4th inverter 10, regenerated energy is after 10 inversions of the 4th inverter, feed back to by the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges.
Driving transmission agent is by first traction electric machine 3 and second traction electric machine, 4 parallel drive, and power outputs to two groups of drive wheels 1 after 2 couplings of gear coupling case.
The hydraulic efficiency gear system is driven respectively by first hydraulic electric motor 5 and second hydraulic electric motor 6, pump/motor 12 and duplex gear pump 13 are for hydraulic actuator provides energy, and pump/motor 12 can also can be converted to the hydraulic pressure of hydraulic efficiency gear mechanical energy and drive 6 rotations of second hydraulic electric motor and produce regenerated energy.
Energy of the present utility model reclaims route:
First energy reclaims route: vehicle in the process of moving, slow down or during speed-slackening signal when receiving to travel, first traction electric machine 3 and second traction electric machine 4 can produce regenerated energy, regenerated energy is respectively after first inverter 7 and 8 inversions of second inverter, feed back to by the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges, and energy is stored;
Second energy reclaims route: when the operator gives control cock 14 step-down operations action, steering unit gives the 4th inverter 10 decline control signals simultaneously, the 4th inverter 10 cuts off to 6 power supplies of second hydraulic electric motor, namely cancels goods is kept moment of torsion by the output of lifting; The goods of 18 liftings of hydraulic actuating cylinder of hoisting descends from a high position, the hydraulic oil that goods potential energy promotes to hoist in the hydraulic actuating cylinder 18 reflux, hydraulic oil is back to pump/motor 12, make pump/motor 12 produce mechanical energy and drive second hydraulic electric motor 6 again and rotate, second hydraulic electric motor 6 became and was that electrical generator produces regenerated energy this moment, with regenerated energy after 10 inversions of the 4th inverter, feed back to the direct current (DC) form on the bus of electricity accumulating unit 11, if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, the regenerated energy of redundance turns back to electricity accumulating unit 11 again and charges, and energy is stored.
The utility model possesses the energy regeneration of travelling recovery system and goods decline energy-regenerating system simultaneously, is a kind of electric industry vehicle with double energy recovery system.
Claims (1)
1. have the electric industry vehicle of walking energy regeneration and decline energy regeneration function, comprise two groups of drive wheels (1), gear coupling case (2), first traction electric machine (3), second traction electric machine (4), first hydraulic electric motor (5), second hydraulic electric motor (6), first inverter (7), second inverter (8), the 3rd inverter (9), the 4th inverter (10), electricity accumulating unit (11), pump/motor (12), duplex gear pump (13), control cock (14), hydraulic brake system (15), deflector (16), hydraulic steering cylinder (17), hydraulic actuating cylinder (18) hoists, hydraulic tilt cylinder (19); Two groups of drive wheels 1 are installed on the wheel hub at vehicle drive axle two ends; It is characterized in that: gear coupling case (2) has two input shafts and an output shaft, output shaft is that main reduction gear spiral driving gear is connected by external transmission shaft and drive axle input end, and two input shaft ends are connected with the castellated shaft of first traction electric machine (3) with second traction electric machine (4) by spline respectively; The effect of gear coupling case (2) is with the power of first traction electric machine (3) and second traction electric machine (4) output, behind the coupling case, two strands of power is merged into one, outputs at last on two groups of drive wheels (1);
First traction electric machine (3) and second traction electric machine (4) are ac three-phase asynchronous motor, and the three-phase U utmost point on first traction electric machine (3), the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on first inverter 7 respectively; The three-phase U utmost point on second traction electric machine (4), the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on second inverter (8) respectively;
First inverter (7) be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit (11) respectively; Second inverter (8) be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit (11) respectively; First inverter (7) and second inverter (8) are controlled first traction electric machine (3) and second traction electric machine (4) respectively; Equally, the regenerated energy that vehicle can be travelled feeds back to first inverter (7) and second inverter (8) respectively by first traction electric machine (3) and second traction electric machine (4); Regenerated energy is respectively after first inverter (7) and second inverter (8) inversion, feed back to by the direct current (DC) form on the bus of electricity accumulating unit (11), if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit (11) again and charges;
First hydraulic electric motor (5) is phase asynchronous induction motor (IM), and its three-phase U utmost point, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on the 3rd inverter (9) respectively;
Second hydraulic electric motor (6) is phase asynchronous induction motor (IM), and its three-phase U utmost point, the V utmost point, the W utmost point are connected with the U utmost point, the V utmost point, the W utmost point on the 4th inverter (10) respectively;
The 3rd inverter (9) be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit (11); The 4th inverter (10) be input as direct current (DC), its positive pole, negative pole are connected with positive pole, the negative pole of electricity accumulating unit (11) respectively; The 3rd inverter (9) and the 4th inverter (10) are controlled first hydraulic electric motor (5) and second hydraulic electric motor (6) respectively; The regenerated energy that the rise and fall hydraulic efficiency gear produces feeds back to the 4th inverter (10) by second hydraulic electric motor (6), regenerated energy is after the 4th inverter (10) inversion, feed back to by the direct current (DC) form on the bus of electricity accumulating unit (11), if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit (11) again and charges;
The positive pole of electricity accumulating unit (11), negative pole are connected with positive pole, the negative pole of first inverter (7), second inverter (8), the 3rd inverter (9) and the 4th inverter (10); Electricity accumulating unit (11) is as the energy storage module of Vehicular system, store at first for the consumption of power unit provides electric energy, moreover with the regenerative electric energy that is not directly utilized after first inverter (7), second inverter (8) and the 4th inverter (10) inversion;
Pump/motor (12) as oil pump, is that oil motor uses during decline when equipment hoists, and its castellated shaft is connected with the spline of second hydraulic electric motor (6); Delivery port is connected to control cock (14) by oil circuit; Pump/motor (12) can be converted to the hydraulic pressure energy with the mechanical energy of second hydraulic electric motor (6) output, outputs to control cock (14) again, carries out hydraulic energy and distributes; Equally, this pump/motor can be with the hydraulic actuating cylinder that hoists (18) when goods descends, the hydraulic pressure that goods potential energy forms can arrive the pump/motor entrance by oil circuit, motor is produced mechanical energy drive second hydraulic electric motor (6) rotation, produce regenerated energy by second hydraulic electric motor (6) and feed back to the 4th inverter (10), regenerated energy is after the 4th inverter (10) inversion, feed back to by the direct current (DC) form on the bus of electricity accumulating unit (11), if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, and the regenerated energy of redundance turns back to electricity accumulating unit (11) again and charges;
The castellated shaft of duplex gear pump (13) is connected with the spline of first hydraulic electric motor (5); One road delivery port is connected to control cock (14) by oil circuit, and one road delivery port is connected to hydraulic brake system (15) by oil circuit; Duplex gear pump (13) is the hydraulic pressure energy with the transformation of energy of first hydraulic electric motor (5) output, and the main pump energy of duplex gear pump (13) outputs to control cock (14), carries out hydraulic energy and distributes; The auxiliary pump energy of duplex gear pump (13) outputs to hydraulic brake system (15), buys car in installments and carries out hydraulic braking;
Control cock (14) is connected by oil circuit between (19) with deflector (16), the hydraulic actuating cylinder that hoists (18), hydraulic tilt cylinder; Be connected by oil circuit between deflector (16) and the hydraulic steering cylinder (17); Control cock (14) is shunted the hydraulic energy that duplex gear pump (13) is input to, and energy drain preferentially is delivered to deflector (16) and then arrives hydraulic steering cylinder (17), forms the Vehicular turn action; Control cock (14) is collaborated the hydraulic energy that pump/motor (12) and duplex gear pump (13) are input to, and the interflow energy is delivered to the hydraulic actuating cylinder that hoists (18), forms the action that hoists of equipment; Control cock (14) is shunted the hydraulic energy that duplex gear pump (13) is input to, and energy drain is delivered to hydraulic tilt cylinder (19) or the use of other accessory actuating unit, actions such as the inclination of formation equipment or sidesway;
Driving transmission agent is by first traction electric machine (3) and second traction electric machine (4) parallel drive, and power outputs to two groups of drive wheels (1) after gear coupling case (2) coupling;
The hydraulic efficiency gear system is driven respectively by first hydraulic electric motor (5) and second hydraulic electric motor (6), pump/motor (12) and duplex gear pump (13) are for hydraulic actuator provides energy, and pump/motor (12) can also can be converted to the hydraulic pressure of hydraulic efficiency gear mechanical energy and drive second hydraulic electric motor (6) rotation and produce regenerated energy;
First energy reclaims route:
Vehicle in the process of moving, slow down or during speed-slackening signal when receiving to travel, first traction electric machine (3) and second traction electric machine (4) can produce regenerated energy, regenerated energy is respectively after first inverter (7) and second inverter (8) inversion, feed back to by the direct current (DC) form on the bus of electricity accumulating unit (11), if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, the regenerated energy of redundance turns back to electricity accumulating unit (11) again and charges, and energy is stored;
Second energy reclaims route:
Move when the operator gives control cock (14) step-down operation, steering unit gives the 4th inverter (10) decline control signal simultaneously, and the 4th inverter (10) cuts off to second hydraulic electric motor (6) power supply, namely cancels goods is kept moment of torsion by the output of lifting; The goods of hydraulic actuating cylinder (18) institute lifting of hoisting descends from a high position, the hydraulic oil that goods potential energy promotes to hoist in the hydraulic actuating cylinder (18) refluxes, hydraulic oil is back to pump/motor (12), make pump/motor (12) produce mechanical energy and drive second hydraulic electric motor (6) again and rotate, second hydraulic electric motor this moment (6) becomes and is that electrical generator produces regenerated energy, with regenerated energy after the 4th inverter (10) inversion, feed back to the direct current (DC) form on the bus of electricity accumulating unit (11), if the power unit power taking is being arranged on the bus, the regenerated energy that feeds back to so on the bus is directly used by power unit, the regenerated energy of redundance turns back to electricity accumulating unit (11) again and charges, and energy is stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202134482U CN203172416U (en) | 2013-04-25 | 2013-04-25 | Electric industrial vehicle with functions of walking energy regeneration and descending energy regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202134482U CN203172416U (en) | 2013-04-25 | 2013-04-25 | Electric industrial vehicle with functions of walking energy regeneration and descending energy regeneration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203172416U true CN203172416U (en) | 2013-09-04 |
Family
ID=49069163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202134482U Withdrawn - After Issue CN203172416U (en) | 2013-04-25 | 2013-04-25 | Electric industrial vehicle with functions of walking energy regeneration and descending energy regeneration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203172416U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223843A (en) * | 2013-04-25 | 2013-07-31 | 安徽合力股份有限公司 | Electric industrial vehicle with walking energy regeneration and falling energy regeneration function |
| CN107601312A (en) * | 2017-07-20 | 2018-01-19 | 北汽福田汽车股份有限公司 | Lifting mechanism hybrid power system and its control method, crane |
| CN108757651A (en) * | 2018-08-20 | 2018-11-06 | 杭叉集团股份有限公司 | Electri forklift and its hydraulic control system |
-
2013
- 2013-04-25 CN CN2013202134482U patent/CN203172416U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223843A (en) * | 2013-04-25 | 2013-07-31 | 安徽合力股份有限公司 | Electric industrial vehicle with walking energy regeneration and falling energy regeneration function |
| CN103223843B (en) * | 2013-04-25 | 2015-10-21 | 安徽合力股份有限公司 | There is the electric industry vehicle of walking energy regeneration and decline energy regeneration function |
| CN107601312A (en) * | 2017-07-20 | 2018-01-19 | 北汽福田汽车股份有限公司 | Lifting mechanism hybrid power system and its control method, crane |
| CN107601312B (en) * | 2017-07-20 | 2019-06-11 | 北汽福田汽车股份有限公司 | Lifting mechanism hybrid power system and its control method, crane |
| CN108757651A (en) * | 2018-08-20 | 2018-11-06 | 杭叉集团股份有限公司 | Electri forklift and its hydraulic control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103223843B (en) | There is the electric industry vehicle of walking energy regeneration and decline energy regeneration function | |
| CN101774379B (en) | Vehicle hybrid four-wheel electric drive system | |
| CN203752866U (en) | Time-sharing four-wheel driving electric vehicle power system and electric vehicle | |
| CN202686354U (en) | Integrated variable speed drive device and electric control energy and management system for hybrid power vehicle | |
| CN103434389A (en) | Tracked vehicle electric driving device with straight driving power-assisted mechanism | |
| CN203172416U (en) | Electric industrial vehicle with functions of walking energy regeneration and descending energy regeneration | |
| CN205059312U (en) | Drive system of electric automobile | |
| CN103660971B (en) | A kind of mining dump truck with electric wheels four-wheel drive system | |
| CN201896799U (en) | Wheel crane and hydraulic control system thereof and pump/motor control loop thereof | |
| CN203666418U (en) | Electric driven vehicle for mine | |
| CN204749880U (en) | Two sources trolley -bus electricelectric motor car and driving system thereof | |
| CN107914560A (en) | A kind of single shaft dual-motor drive system | |
| CN102080675B (en) | Wheeled crane and hydraulic control system and pump/motor control circuit thereof | |
| CN103552480A (en) | Completely power-driven dedicated school bus adopting dual charging modes | |
| CN102205799A (en) | Finished structure of pure electric car | |
| CN101830230A (en) | Electric trolley frequency conversion speed-regulating locomotive | |
| CN205498653U (en) | Car drive control system is defended to electricelectric rotating ring | |
| CN108928776A (en) | A kind of front-wheel double drive and hydraulic system for electri forklift | |
| CN210710613U (en) | Electric forklift driving and hydraulic system | |
| CN111483945A (en) | Pure electric 80-ton shovel plate type support carrier | |
| CN201694035U (en) | Integral structure of pure electric vehicle | |
| CN205890526U (en) | But electric motor car drive arrangement of input power modification | |
| CN203449962U (en) | Electric carrying cart | |
| CN204432421U (en) | The metallurgical framework transport vehicle of electric drive | |
| CN204432351U (en) | A kind of hybrid power system for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20151021 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130904 Effective date of abandoning: 20151021 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |