WO2014002638A1 - Véhicule de chantier - Google Patents

Véhicule de chantier Download PDF

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Publication number
WO2014002638A1
WO2014002638A1 PCT/JP2013/063711 JP2013063711W WO2014002638A1 WO 2014002638 A1 WO2014002638 A1 WO 2014002638A1 JP 2013063711 W JP2013063711 W JP 2013063711W WO 2014002638 A1 WO2014002638 A1 WO 2014002638A1
Authority
WO
WIPO (PCT)
Prior art keywords
engine
power
work
drive mechanism
hydraulic pump
Prior art date
Application number
PCT/JP2013/063711
Other languages
English (en)
Japanese (ja)
Inventor
幹夫 櫨林
寺田　王彦
Original Assignee
株式会社タダノ
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社タダノ filed Critical 株式会社タダノ
Publication of WO2014002638A1 publication Critical patent/WO2014002638A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/48—Parallel type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/40—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes with a single prime mover for both crane and vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2300/00—Indexing codes relating to the type of vehicle
    • B60W2300/12—Trucks; Load vehicles
    • 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
    • Y02T10/62—Hybrid vehicles

Definitions

  • the present invention relates to a work vehicle including a work device that is driven by power of one or both of an engine and an electric motor.
  • a conventional work vehicle includes an engine, an electric motor capable of adding power as an assist output to the output of the engine, and a hydraulic pump for driving the work device driven by at least the engine power of the engine and the electric motor.
  • an electric motor capable of adding power as an assist output to the output of the engine
  • a hydraulic pump for driving the work device driven by at least the engine power of the engine and the electric motor.
  • the hydraulic pump In the work vehicle, in order to perform work by the work device, the hydraulic pump is driven by the power of the engine driven at a low rotation, and when the output is insufficient, the power of the electric motor is added to the hydraulic pump to reduce noise. I try to plan.
  • the engine keeps driving at a low speed during the work by the working device, so this engine sound may cause noise.
  • An object of the present invention is to provide a work vehicle capable of further reducing noise by reducing the frequency of driving a work device using an engine as power.
  • the present invention provides a working vehicle provided with a working device for performing a predetermined work on a traveling body for movement, and a drive mechanism capable of transmitting power for traveling the traveling body,
  • An engine that can be coupled to the drive mechanism and can transmit power to the drive mechanism, an electric motor that is provided between the engine and the drive mechanism and can transmit power to the drive mechanism, and generates hydraulic pressure that drives the work device
  • the clutch is used to release the connection between the engine and the electric motor to drive the electric motor, and the power take-off mechanism takes out the power from the drive mechanism and the hydraulic pump.
  • an electric drive unit for driving the.
  • the hydraulic pump can be driven only by the power of the electric motor, the engine can be stopped when the hydraulic pump is driven only by the power of the electric motor, thereby further reducing noise. It becomes possible.
  • the hydraulic pump can be driven by the power of the electric motor and the engine can be stopped, it is possible to improve the energy saving performance and reduce the carbon dioxide emission.
  • the mobile crane stops the engine when a long standby state occurs between actual crane operations. For this reason, when starting the crane work from a standby state in which the engine is stopped, starting the crane work only with the power of the electric motor has an advantage that the crane work can be resumed more quickly than starting the engine. At this time, since the motor is disconnected from the engine and the engine does not become a driving resistance, there is an advantage that the crane work can be resumed more quickly.
  • the hydraulic pump is driven via a power take-off mechanism provided in a drive mechanism to which power of the engine and the electric motor is transmitted.
  • a power take-off mechanism provided in a drive mechanism to which power of the engine and the electric motor is transmitted.
  • a mobile crane 1 as a work vehicle of the present invention includes a traveling vehicle 10 and a crane device 20 as shown in FIG.
  • Vehicle 10 has wheels 11 and travels using engine 41a, or engine 41a and motor generator 41b described later as a power source. Further, on both the left and right sides of the front side and the rear side of the vehicle 10, there are provided outriggers 12 for preventing the vehicle 10 from overturning during crane operation and for stably supporting the vehicle 10.
  • the outrigger 12 can move outward in the width direction, and can extend downward by a hydraulic jack cylinder 13 (FIG. 2).
  • the outrigger 12 stably supports the vehicle 10 with respect to the ground by grounding the lower end.
  • the crane apparatus 20 includes a swivel base 21 that is turnable on a horizontal plane at a substantially central portion in the front-rear direction of the vehicle 10, a boom 22 that is provided so as to be able to rise and fall with respect to the swivel base 21, and is extendable.
  • the wire rope 23 suspended from the distal end side of the boom 22, the winch 24 for winding or unwinding the wire rope 23, and the front side of the swivel base 21 are related to the traveling of the vehicle 10 and the work by the crane device 20.
  • a cabin 25 for operation is related to the traveling of the vehicle 10 and the work by the crane device 20.
  • the turntable 21 is provided so as to be turnable with respect to the vehicle 10 via a ball bearing type or roller bearing type turn circle 21a, and is turned by a hydraulic turn motor 21b (FIG. 2).
  • the boom 22 includes a plurality of boom members 22a, 22b, 22c, and 22d.
  • the boom members 22b, 22c, and 22d that are adjacent to the distal end side inside the boom members 22a, 22b, and 22c excluding the boom member 22d on the most advanced side. Is configured to be telescopic.
  • the base end portion of the most proximal end boom member 22 a is swingably connected to the bracket 21 c of the swivel base 21.
  • a hydraulic hoisting cylinder 22e is connected between the boom member 22a and the bracket 21c, and the boom 22 is hoisted by the expansion / contraction operation of the hoisting cylinder 22e.
  • a hydraulic telescopic cylinder 22f (FIG. 2) is provided inside the boom member 22a on the most proximal end side, and the boom 22 is expanded and contracted by the expansion and contraction of the expansion cylinder 22f.
  • the wire rope 23 is provided with a hook block 23 a on the tip side, and the hook block 23 a is suspended from the tip of the boom 22.
  • a suspended load can be locked to the hook block 23 a, and the suspended load locked to the hook block 23 a is suspended from the tip of the boom 22.
  • the winch 24 has a drum 24a around which the wire rope 23 is wound, and the drum 24a is configured to be rotatable forward and backward by a hydraulic winch motor 24b (FIG. 2).
  • the cabin 25 is provided on the side of the bracket 21 c on the turntable 21 and turns together with the turntable 21.
  • Actuators such as each jack cylinder 13, turning motor 21 b, hoisting cylinder 22 e, telescopic cylinder 22 f and winch motor 24 b are operated by supplying and discharging hydraulic oil.
  • the hydraulic oil that operates each actuator is supplied by a hydraulic pressure supply device 30 shown in FIG.
  • the hydraulic pressure supply device 30 includes a hydraulic pump 31 for generating hydraulic pressure, a control valve unit 32 for controlling the flow of hydraulic oil discharged from the hydraulic pump 31, and a hydraulic pump 31.
  • a hydraulic oil circuit 33 for operating each actuator by supplying the discharged hydraulic oil via the control valve unit 32;
  • the control valve unit 32 has a plurality of control valves corresponding to each actuator.
  • Each control valve is operated by an operation unit 32a such as an operation lever or an operation pedal, the flow path of the hydraulic oil is switched according to the operation direction of the operation unit 32a, and the flow rate of the hydraulic oil according to the operation amount of the operation unit 32a. Can be adjusted.
  • Each control valve has switching means such as a solenoid and can be operated by a signal from an overload prevention device described later.
  • the hydraulic pump 31 is driven by power extracted from a power device 40 for supplying power for driving the vehicle 10 and power for driving the crane device 20.
  • the power unit 40 includes a power source unit 41 for generating power, a torque converter 42 as a drive mechanism for amplifying torque and transmitting the power output from the power source unit 41 to the wheel 11 side, A transmission 43 serving as a drive mechanism for changing the rotational speed and torque of the power output from the torque converter 42 and a propeller shaft 44 serving as a drive mechanism for transmitting the power output from the transmission 43 to the wheels 11 are provided. And an electric retarder 45.
  • the power source unit 41 functions as an electric motor mainly by an engine 41a that is a power source for traveling the vehicle and the supplied electric power, and also functions as a generator by the power of the engine 41a or during deceleration during traveling.
  • the motor generator 41b and the battery 41c capable of supplying power when the motor generator 41b functions as an electric motor while controlling the power generated by the motor generator 41b, the output of the battery 41c,
  • a motor generator drive control unit 41d for controlling the operation and a clutch 41e capable of switching the connection and release of the connection between the output shaft of the engine 41a and the input / output shaft of the motor generator 41b.
  • the motor generator 41b is provided between the engine 41a and the torque converter 42.
  • the power of the engine 41a is transmitted to the torque converter 42 via the input / output shaft of the motor generator 41b by connecting the output shaft of the engine 41a and the input / output shaft of the motor generator 41b by the clutch 41e.
  • the motor generator drive control unit 41d includes an inverter, a boost converter, a motor control unit, a generator control unit, and the like.
  • the motor generator drive control unit 41d controls the output of the battery 41c to supply electric power to the motor generator 41b, or functions the motor generator 41b to a generator or an electric motor in accordance with a signal from an overload prevention device to be described later. Switch.
  • the motor generator drive control unit 41d is provided with a power cable 41f that can be connected to an external power supply.
  • the motor generator drive control unit 41d can switch the power source to the battery 41c or an external power source when the motor generator 41b functions as an electric motor.
  • the torque converter 42 has a pump impeller provided on the input shaft, a turbine liner provided on the output shaft, and a stator fixed between the pump impeller and the turbine liner, and is input to the input shaft.
  • the power is output from the output shaft after the torque is amplified via oil.
  • a PTO mechanism 46 power take-off capable of taking out the power transmitted to the transmission 43 is provided on the output side of the torque converter 42, and the hydraulic pump 31 can be connected via the PTO mechanism 46.
  • the PTO mechanism 46 is provided on the output side of the torque converter 42 as long as the connection between the hydraulic pump 31 and the output shaft of the engine 41a and the input / output shaft of the motor generator 41b can be switched. It does not have to be.
  • the load acting on the tip of the boom 22 is rated according to the working conditions such as the overhang width of the outrigger 12, the swivel angle of the swivel 21, the undulation angle of the boom 22, and the extension length.
  • An overload prevention device 50 is provided to prevent a so-called overload state, which is a state exceeding the load.
  • the overload prevention device 50 has a controller composed of a CPU, ROM, RAM, and the like.
  • the controller receives an input signal from a device connected to the input side, the CPU reads a program stored in the ROM based on the input signal, and stores a state detected by the input signal in the RAM. An output signal is transmitted to a device connected to the output side.
  • the overload prevention device 50 is connected to a control valve unit 32, a power source unit 41, and an operation input unit 51 for performing various settings related to crane work by a user.
  • the power of the engine 41a is mainly transmitted to the propeller shaft 44 when the vehicle 10 travels. Further, when the vehicle 10 travels, the motor generator 41b is driven to transmit the power of the motor generator 41b to the propeller shaft 44 as an assist output, or the motor generator 41b is driven by the propeller shaft 44 to generate electric power. At that time, the PTO mechanism 46 is in a state in which the connection between the hydraulic pump 31 and the torque converter 42 is released. The engine 41a is started by the power of the motor generator 41b.
  • the transmission 43 is set to the neutral state
  • the hydraulic pump 31, the output shaft of the engine 41a, and the input / output shaft of the motor generator 41b are connected by the PTO mechanism 46, and the clutch 41e is used.
  • the motor generator 41b is driven in a state where the connection between the engine 41a and the motor generator 41b is released. Thereby, the power of the motor generator 41b is transmitted to the hydraulic pump 31 via the PTO mechanism 46, and the hydraulic pump 31 is driven. At that time, the engine 41a can be stopped.
  • the engine 41a and the motor generator 41b are connected by the clutch 41e. Then, the engine 41a is started by the power of the motor generator 41b.
  • the engine 41a and the motor generator 41b are connected by the clutch 41e. Then, the power of the motor generator 41 b is added to the hydraulic pump 31.
  • the motor generator 41b is provided between the engine 41a and the torque converter 42, and the engine 41a and the motor generator 41b are connected between the engine 41a and the motor generator 41b.
  • the clutch 41e releases the connection between the engine 41a and the torque converter 42 to drive the motor generator 41b, and the PTO mechanism 46 causes the torque converter 42 to be switched.
  • the hydraulic pump 31 is driven by taking out the power. Accordingly, the hydraulic pump 31 can be driven only by the power of the motor generator 41b, and the engine 41a can be stopped when the crane apparatus 20 is operated only by the power of the motor generator 41b. Noise can be reduced.
  • the hydraulic pump 31 is driven via a PTO mechanism 46 provided in a torque converter 42 to which power of the engine 41a and the motor generator 41b is transmitted.
  • a dedicated hydraulic pump for each of the engine 41a and the motor generator 41b, so that the number of parts can be reduced and the apparatus can be downsized.
  • the engine 41a is started, and the engine 41a and the motor generator 41b are connected by the clutch 41e, thereby adding the power of the engine 41a as the power of the hydraulic pump 31.
  • the power of the engine 41a is added as power for driving the hydraulic pump 31 by starting the engine 41a and switching the clutch 41e. Therefore, even when the work load of the crane apparatus 20 is large, the work can be continued, and a high-output motor generator and a large-capacity battery are not required.
  • the mobile crane 1 including the crane device 20 driven by the hydraulic oil discharged from the hydraulic pump 31 is shown as a work vehicle, but the present invention is not limited to this.
  • the present invention can be applied to a hydraulic work vehicle such as an aerial work vehicle or an excavator as long as it is driven by hydraulic oil discharged from a hydraulic pump.
  • the PTO mechanism 46 is provided in the torque converter 42.
  • the PTO mechanism is provided in the transmission 43 or other gear box. It may be provided.
  • the drive mechanism may be a transmission system that does not have the torque converter 42.
  • SYMBOLS 1 ... Mobile crane, 10 ... Vehicle, 20 ... Crane apparatus, 30 ... Hydraulic supply device, 31 ... Hydraulic pump, 40 ... Power device, 41 ... Power source unit, 41a ... Engine, 41b ... Motor generator, 41e ... Clutch, 42 ... torque converter, 43 ... transmission, 44 ... propeller shaft.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Jib Cranes (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Arrangement Of Transmissions (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

La présente invention concerne un véhicule de chantier, capable de mieux réduire le bruit, par la réduction de la fréquence d'entraînement d'un dispositif de chantier, le moteur servant de force motrice. Un moteur/générateur (41b) est prévu entre un moteur (41a) et un convertisseur (42) de couple; entre le moteur (41a) et le moteur/générateur (41b), se trouve un embrayage (41e) qui commute entre le couplage et la libération du couplage entre le moteur (41a) et le moteur/générateur (41b); et lors d'opérations de grutage, le couplage du moteur (41a) et du convertisseur (42) de couple est libéré par l'embrayage (41e), le moteur/générateur (41b) est entraîné et la force motrice est tirée du convertisseur (42) de couple au moyen d'un mécanisme PTO (46), ce qui entraîne une pompe hydraulique (31).
PCT/JP2013/063711 2012-06-28 2013-05-16 Véhicule de chantier WO2014002638A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012145644A JP2014008831A (ja) 2012-06-28 2012-06-28 作業車両
JP2012-145644 2012-06-28

Publications (1)

Publication Number Publication Date
WO2014002638A1 true WO2014002638A1 (fr) 2014-01-03

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Application Number Title Priority Date Filing Date
PCT/JP2013/063711 WO2014002638A1 (fr) 2012-06-28 2013-05-16 Véhicule de chantier

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WO (1) WO2014002638A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105128662A (zh) * 2015-07-31 2015-12-09 燕山大学 液压型行车发电机节能发电系统
CN113910900A (zh) * 2020-07-09 2022-01-11 徐州重型机械有限公司 辅助动力系统、起重机动力系统及起重机

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011093474A (ja) * 2009-10-30 2011-05-12 Mitsubishi Fuso Truck & Bus Corp 作業装置付きハイブリッド式車両の制御装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011093474A (ja) * 2009-10-30 2011-05-12 Mitsubishi Fuso Truck & Bus Corp 作業装置付きハイブリッド式車両の制御装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105128662A (zh) * 2015-07-31 2015-12-09 燕山大学 液压型行车发电机节能发电系统
CN105128662B (zh) * 2015-07-31 2018-01-23 燕山大学 液压型行车发电机节能发电系统
CN113910900A (zh) * 2020-07-09 2022-01-11 徐州重型机械有限公司 辅助动力系统、起重机动力系统及起重机
CN113910900B (zh) * 2020-07-09 2023-06-09 徐州重型机械有限公司 辅助动力系统、起重机动力系统及起重机

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