CN116119533A - Electric drive hybrid power transmission crane - Google Patents

Electric drive hybrid power transmission crane Download PDF

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Publication number
CN116119533A
CN116119533A CN202310037358.0A CN202310037358A CN116119533A CN 116119533 A CN116119533 A CN 116119533A CN 202310037358 A CN202310037358 A CN 202310037358A CN 116119533 A CN116119533 A CN 116119533A
Authority
CN
China
Prior art keywords
hydraulic
motor
oil pipe
electric drive
isg motor
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.)
Pending
Application number
CN202310037358.0A
Other languages
Chinese (zh)
Inventor
吴高腾
曹光光
董玉光
高宋
魏荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Heavy Machinery Co Ltd
Original Assignee
Xuzhou Heavy Machinery Co Ltd
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 Xuzhou Heavy Machinery Co Ltd filed Critical Xuzhou Heavy Machinery Co Ltd
Priority to CN202310037358.0A priority Critical patent/CN116119533A/en
Publication of CN116119533A publication Critical patent/CN116119533A/en
Pending legal-status Critical Current

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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
    • 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
    • B60K25/00—Auxiliary drives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • 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
    • B60K25/00—Auxiliary drives
    • B60K2025/005—Auxiliary drives driven by electric motors forming part of the propulsion unit
    • 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

Abstract

The invention discloses an electric drive hybrid power transmission crane which comprises a frame, an engine, a clutch, a gearbox, a transmission shaft, a hydraulic pump, a hydraulic oil pipe, a central revolving body, a hydraulic valve group, a hydraulic motor, an axle and a lower car distribution box, and also comprises an ISG motor, a high-voltage wire and a high-voltage battery. The hydraulic control system disclosed by the invention can be used for controlling the output rotating speed and torque of the motor in real time according to the hydraulic load demand, and is quick in motor response, high in working efficiency of a hydraulic actuating mechanism, good in operability and high in control precision of a hydraulic system.

Description

Electric drive hybrid power transmission crane
Technical Field
The invention relates to the field of crane control, in particular to an electric drive hybrid power transmission crane with high working efficiency, good operability and high control precision.
Background
The power source of the hydraulic system in the existing crane products is mainly in a mechanical transmission mode, and the hydraulic pump is driven to act through the power output of the power take-off port of the engine or the gearbox. When the get-off hydraulic system works, the power transmission route is as follows: the functions of steering hydraulic power assistance, suspension oil cylinder lifting, landing leg oil cylinder expansion and the like of a lower vehicle are realized by an engine/or gearbox power taking port, a transmission shaft, a hydraulic pump, a hydraulic valve, a hydraulic pipeline and a hydraulic executing mechanism; when the crane works, the power transmission route is as follows: engine/gearbox power take-off port- & gt transmission shaft- & gt hydraulic pump- & gt hydraulic pipeline- & gt central revolution body- & gt hydraulic pipeline- & gt hydraulic valve group- & gt hydraulic motor, and driving the hydraulic actuating mechanism for getting on the bus to realize the lifting operation function. However, the existing hydraulic system power source relies on mechanical transmission of an engine, so that the hydraulic operation power requirement is low, the energy utilization rate of the engine is low, the oil consumption is high, and the economical efficiency is poor; the engine is matched according to the running requirement of the whole vehicle, the power source of the hydraulic system is output through the engine, the power output characteristic of the engine can not be controlled and regulated, the power response speed of the hydraulic system is low, and the control precision is poor; the single engine has long working time and short maintenance time interval, and the working life of the engine is influenced.
Disclosure of Invention
The invention aims to: the invention aims to provide an electric drive hybrid power transmission crane with high working efficiency, good operability and high control precision.
The technical scheme is as follows: the invention comprises a frame, an engine, a clutch, a gearbox, a transmission shaft, a hydraulic pump, a hydraulic oil pipe, a central revolving body, a hydraulic valve group, a hydraulic motor, an axle and a lower car distribution box, and also comprises an ISG motor, a high-voltage wire and a high-voltage battery.
Further, the ISG motor is powered by a high-voltage battery to drive a hydraulic pump, and hydraulic oil is conveyed to the on-board hydraulic actuating mechanism through the central revolving body.
Further, the transmission route is high-voltage battery, high-voltage wire, ISG motor, hydraulic pump, hydraulic oil pipe, hydraulic valve group, hydraulic oil pipe and hydraulic motor when pure electric drive mode boarding jack-up operation.
Further, the transmission route is engine, gearbox, transmission shaft, transfer case, ISG motor, hydraulic pump, hydraulic oil pipe, central solid of revolution, hydraulic oil pipe, hydraulic valve group and hydraulic motor when the lift operation is got on to oil-electricity hybrid drive mode.
Further, the ISG motor drives the hydraulic pump, and the hydraulic valve group is used for controlling and adjusting to realize the steering hydraulic power assistance of the getting off, the lifting of the suspension oil cylinder and the expansion of the supporting leg oil cylinder.
Further, the transmission route is high-voltage battery, high-voltage wire, ISG motor, hydraulic pump, hydraulic oil pipe, hydraulic valve group, hydraulic oil pipe and hydraulic actuating mechanism when the car jack-up operation under pure electric drive mode.
Further, the transmission route is engine, gearbox, transmission shaft, transfer case, ISG motor, hydraulic pump, hydraulic oil pipe, hydraulic valve group hydraulic oil pipe and hydraulic actuating mechanism when the car jack-up operation under the oil-electricity hybrid drive mode.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages:
(1) The motor output rotating speed and torque are controlled in real time according to the hydraulic load demand, the motor response is fast, the hydraulic actuating mechanism is high in working efficiency and good in operability, and the hydraulic system is high in control precision;
(2) The engine has high energy utilization rate, electric energy is stored through the ISG motor and the high-voltage battery, so that energy loss is avoided, the engine is operated in an economic rotation speed range according to the electric quantity of the high-voltage battery and the load of the hydraulic system, the operation oil consumption is low, and the use economy is good;
(3) The engine has three working modes of pure electric drive, hybrid electric drive and plug-in drive, can control the start and stop of the engine, avoids long-time low-speed and heavy-load operation of the engine, and prolongs the service life of the engine.
Drawings
FIG. 1 is a layout of an electric drive hybrid get-on hydraulic drive system;
fig. 2 is a layout of an electric drive hybrid chassis hydraulic drive system.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
The hydraulic system comprises a frame 1, an engine 2, a clutch 3, a gearbox 4, a transmission shaft 5, a hydraulic pump 6, a hydraulic oil pipe 7, a central revolving body 8, a hydraulic valve group 9, a hydraulic motor 10, an axle 11, a lower car moving box 12, an ISG motor 13, a high-voltage wire 14 and a high-voltage battery 15, wherein a hydraulic single-shot transmission route is adopted, a power source of the hydraulic system is from the ISG motor 13, and electric energy is converted into hydraulic energy to drive a hydraulic executing mechanism, so that the actions of the hydraulic system of the upper car and the chassis are realized. The electric power source is characterized by comprising three working modes of pure electric drive, hybrid electric drive of oil and electricity and plug-in electric drive, wherein an ISG motor provides electric energy drive through a high-voltage battery, and when the electric quantity of the battery is insufficient, the ISG motor can be driven by a drive system of a get-off engine to generate electricity so as to charge the high-voltage battery and continuously provide a power source for motor work.
As shown in fig. 1, the ISG motor 13 drives the hydraulic pump 6 to provide a power source for the loading hydraulic system, and controls and adjusts the output rotation speed and torque of the motor in real time according to the load demand, so as to ensure the operation of the hydraulic actuator and realize the loading lifting operation.
The crane has three modes of pure electric drive, hybrid electric drive and plug-in drive. The ISG motor 13 is powered by a high-voltage battery 15 to drive the hydraulic pump 6, and hydraulic oil is conveyed to the hydraulic actuating mechanism of the boarding car through the central revolving body 8, so that power transmission is realized. When the electric quantity of the battery is insufficient, the off engine is started, the ISG motor 13 is driven to operate through the transfer case, and the hydraulic pump 6 is directly and mechanically driven to provide power for the hydraulic system; and simultaneously, power generation is carried out, and surplus energy is stored in the high-voltage battery 15, so that continuous electric energy driving is realized. The electric driving device has the function of power plug-in, and can realize power driving through an external power supply.
When the crane works, the pure electric driving route is as follows: the hydraulic lifting device comprises a high-voltage battery 15, a high-voltage wire 14, an ISG motor 13, a hydraulic pump 6, a hydraulic oil pipe 7, a hydraulic valve group 9, the hydraulic oil pipe 7 and a hydraulic motor 10, and is used for driving a hydraulic actuating mechanism for loading to realize a lifting operation function.
The oil-electricity hybrid driving route is as follows: the electric energy transmission device comprises an engine, a gearbox 4, a transmission shaft 5, a transfer case, an ISG motor 13, a hydraulic pump 6, a hydraulic oil pipe 7, a central revolving body 8, the hydraulic oil pipe 7, a hydraulic valve group 9 and a hydraulic motor 10, and meanwhile electric energy transmission is carried out between the ISG motor 13 and a high-voltage battery 15. In the light load working condition, the ISG motor 13 generates electricity and stores surplus energy in the high-voltage battery 15; during heavy load conditions, the high-voltage battery 15 discharges to provide electric energy for the ISG motor 13, and power output is increased.
As shown in fig. 2, the ISG motor 13 can also provide a power source for the chassis hydraulic system, the ISG motor 13 drives the hydraulic pump 6, and functions of steering hydraulic power assistance, suspension oil cylinder lifting, supporting leg oil cylinder stretching and the like of the getting-off are realized through control and adjustment of the hydraulic valve group 9.
In the hydraulic transmission route of the get-off vehicle, the three modes of pure electric driving, hybrid electric driving and plug-in electric driving are also provided. The ISG motor 13 is powered by a high-voltage battery 15 to drive the hydraulic pump 6 to power the get-off hydraulic system. The hydraulic valve group 9 is used for controlling the flow and pressure of hydraulic oil, and transmitting the energy of the hydraulic oil to an axle steering power-assisted oil cylinder, a suspension oil cylinder and a landing leg oil cylinder, so that the action of a hydraulic actuating mechanism for getting off is realized, and various hydraulic functions of getting off are completed.
When the get-off hydraulic system works, the pure electric driving route is as follows: the hydraulic power steering device comprises a high-voltage battery 15, a high-voltage wire 14, an ISG motor 13, a hydraulic pump 6, a hydraulic oil pipe 7, a hydraulic valve group 9, the hydraulic oil pipe 7 and a hydraulic actuating mechanism, and achieves the functions of steering hydraulic power assistance, lifting of a suspension oil cylinder, expansion of a landing leg oil cylinder and the like.
The oil-electricity hybrid driving route is as follows: the electric energy transmission device comprises an engine, a gearbox 4, a transmission shaft 5, a transfer case, an ISG motor 13, a hydraulic pump 6, a hydraulic oil pipe 7, a hydraulic valve group 9, the hydraulic oil pipe 7 and a hydraulic actuating mechanism, and meanwhile electric energy transmission is carried out between the ISG motor 13 and a high-voltage battery 15.
The ISG motor 13 may be connected behind the engine, directly driven by the engine; or the power can be taken from the engine or the gearbox, the motor can be operated and generate electricity, and a power source is continuously provided for the hydraulic system.

Claims (7)

1. The utility model provides an electric drive hybrid power transmission hoist, includes frame (1), engine (2), clutch (3), gearbox (4), transmission shaft (5), hydraulic pump (6), hydraulic oil pipe (7), central solid of revolution (8), hydraulic valve group (9), hydraulic motor (10), axletree (11), transfer case (12) of getting off, its characterized in that: the electric power generation device is characterized by further comprising an ISG motor (13), a high-voltage wire (14) and a high-voltage battery (15), wherein a hydraulic single-transmission route is adopted, the electric power generation device has a pure electric driving mode, an oil-electricity hybrid driving mode and an electric plug-in driving mode, the ISG motor (13) provides a power source of a hydraulic system through the high-voltage battery (15), converts electric energy into hydraulic energy, drives a hydraulic actuating mechanism to realize the actions of a loading hydraulic system and a chassis hydraulic system, and drives the ISG motor (13) to generate power through a loading engine transmission system when the electric power of the battery is insufficient, so that the high-voltage battery (15) is charged and continuously provides the power source.
2. The electric drive hybrid power transmission crane of claim 1, wherein: the ISG motor (13) is powered by a high-voltage battery (15) to drive a hydraulic pump, and hydraulic oil is conveyed to the boarding hydraulic actuating mechanism through the central revolving body (8).
3. The electric drive hybrid power transmission crane of claim 1, wherein: the transmission route during the pure electric drive mode boarding and hoisting operation is as follows: a high-voltage battery (15), a high-voltage wire (14), an ISG motor (13), a hydraulic pump (6), a hydraulic oil pipe (7), a hydraulic valve group (9), the hydraulic oil pipe (7) and a hydraulic motor (10).
4. The electric drive hybrid power transmission crane of claim 1, wherein: the transmission route during the oil-electricity hybrid driving mode loading hoisting operation is as follows: the hydraulic system comprises an engine, a gearbox (4), a transmission shaft (5), a transfer case, an ISG motor (13), a hydraulic pump (6), a hydraulic oil pipe (7), a central revolving body (8), the hydraulic oil pipe (7), a hydraulic valve group (9) and a hydraulic motor (10).
5. The electric drive hybrid power transmission crane of claim 1, wherein: the ISG motor (13) drives the hydraulic pump (6), and realizes the steering hydraulic power assistance, suspension oil cylinder lifting and landing leg oil cylinder expansion of the getting off through the control and adjustment of the hydraulic valve group (9).
6. The electric drive hybrid power transmission crane of claim 1, wherein: the transmission route during the crane operation in the pure electric driving mode is as follows: the hydraulic control system comprises a high-voltage battery (15), a high-voltage wire (14), an ISG motor (13), a hydraulic pump (6), a hydraulic oil pipe (7), a hydraulic valve group (9), the hydraulic oil pipe (7) and a hydraulic actuating mechanism.
7. The electric drive hybrid power transmission crane of claim 1, wherein: the transmission route during the crane operation in the oil-electricity hybrid driving mode is as follows: the hydraulic engine comprises an engine, a gearbox (4), a transmission shaft (5), a transfer case, an ISG motor (13), a hydraulic pump (6), a hydraulic oil pipe (7), a hydraulic valve group (9), a hydraulic oil pipe (7) and a hydraulic executing mechanism.
CN202310037358.0A 2023-01-10 2023-01-10 Electric drive hybrid power transmission crane Pending CN116119533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310037358.0A CN116119533A (en) 2023-01-10 2023-01-10 Electric drive hybrid power transmission crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310037358.0A CN116119533A (en) 2023-01-10 2023-01-10 Electric drive hybrid power transmission crane

Publications (1)

Publication Number Publication Date
CN116119533A true CN116119533A (en) 2023-05-16

Family

ID=86307586

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310037358.0A Pending CN116119533A (en) 2023-01-10 2023-01-10 Electric drive hybrid power transmission crane

Country Status (1)

Country Link
CN (1) CN116119533A (en)

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