CN209700413U - A kind of energy conservation and environmental protection construction machinery - Google Patents

A kind of energy conservation and environmental protection construction machinery Download PDF

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Publication number
CN209700413U
CN209700413U CN201920156799.1U CN201920156799U CN209700413U CN 209700413 U CN209700413 U CN 209700413U CN 201920156799 U CN201920156799 U CN 201920156799U CN 209700413 U CN209700413 U CN 209700413U
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China
Prior art keywords
lithium battery
control system
environmental protection
luffing
construction machinery
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Active
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CN201920156799.1U
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Chinese (zh)
Inventor
江富豪
何海胜
赵志杰
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Zhuhai Tianli Heavy Industry Co Ltd
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Zhuhai Tianli Heavy Industry Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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Abstract

The utility model provides a kind of energy conservation and environmental protection construction machinery, the energy conservation and environmental protection construction machinery includes gantry body and dynamical system, dynamical system is gantry body output power, dynamical system includes generating set, generating set includes generator, fairing, generator is electrically connected with fairing, the dynamical system further includes lithium battery group, lithium battery group includes lithium battery, increasing apparatus, charge-discharge controller, generating set is lithium battery charging by increasing apparatus, and charge-discharge controller controls lithium battery and executes charging operations or discharge operation.The energy conservation and environmental protection construction machinery uses lithium battery to provide power for complete machine, and use cost is greatly reduced, while exhaust gas discharge and noise pollution greatly reduce, and use very environmentally friendly.

Description

A kind of energy conservation and environmental protection construction machinery
Technical field
The utility model relates to technical field of engineering machinery, are specifically related to a kind of energy conservation and environmental protection construction machinery.
Background technique
The construction machineries such as crawler crane, dynamic compaction machinery are mainly used in outfield lifting, compacting etc., and groundwork mechanism is Lifting mechanism and descending mechanism, walking mechanism are less.Since outfield is far from power supply, currently, crawler crane, dynamic compaction machinery etc. are constructed The mechanical overwhelming majority is used as power source using high-power diesel engine (about 200kW or more), is realized and is made using hydraulic actuator Industry movement can cause greatly to pollute along with the discharge of motor exhaust, noise and hydraulic leak to environment;In addition, with Fuel price constantly rises, and the demand for seeking alternative energy source is more more and more urgent.
Such as application No. is the Chinese invention patent application of CN200620167348 disclose it is a kind of using motor come The construction machinery of operation is driven, which connects power supply by a cable drum using motor, but this mode can only be used In the place close to mains supply, and construction machinery master occasion majority to be used is very remote from power supply, is connected by cable The mode of power supply is inconvenient.
Utility model content
The purpose of the utility model is to provide the energy conservation and environmental protection construction machineries that one kind can greatly reduce environmental pollution.
In order to realize the purpose of this utility model, energy conservation and environmental protection construction machinery provided by the utility model includes crane sheet Body and dynamical system, dynamical system are gantry body output power, and dynamical system includes generating set, and generating set includes hair Motor, fairing, generator are electrically connected with fairing, which further includes lithium battery group, and lithium battery group includes lithium Battery, increasing apparatus, charge-discharge controller, generating set are lithium battery charging, charge-discharge controller by increasing apparatus It controls lithium battery and executes charging operations or discharge operation.
In the above scheme, lithium battery provides power for gantry body, and driving gantry body carries out lifting operation.When When generator is that lithium battery charges, the electric current of generator output is alternating current, and the alternating current of generator output first passes through Fairing is converted into DC current.Then current value can reduce when DC current passes through increasing apparatus, thus can reduce The loss of electric energy, the charge efficiency that generator charges to lithium battery are also higher.When lithium battery interior not enough power supply, charge and discharge Control device controls lithium battery and executes charging operations, and generator starts as lithium battery charging;When lithium battery interior electricity abundance, Charge-discharge controller controls lithium battery and executes discharge operation, and lithium battery starts as gantry body output power, crane sheet Body starts to carry out lifting operation.
Preferably, energy conservation and environmental protection construction machinery further includes control system, and control system includes monitor, PLC control system, PLC control system can detecte the electricity in lithium battery, and electricity can be shown by monitor.
Further embodiment is that PLC control system transmits charging signals and discharge signal to charge-discharge controller.
In the above scheme, PLC control system can detecte the electricity in lithium battery, and the electricity that will test passes through prison Visual organ is shown.User can observe the electricity stored in lithium battery at any time by monitor.For lithium electricity in PLC control system Pond charge value is preset with a designated value, when PLC control system detects that electricity is lower than the designated value in lithium battery, PLC control For system processed to charge-discharge controller transmission charging signals and to generator transmission enabling signal, charge-discharge controller controls lithium Battery carries out charging operations, and generator starts to charge for lithium battery.When the energy conservation and environmental protection construction machinery needs work, PLC control system transmits discharge signal to charge and discharge device, and lithium battery starts as gantry body power supply.
Further scheme is that control system includes electric-control system, and electric-control system includes braking resistor, raising frequency conversion dress It sets, luffing converter plant, walking converter plant, braking resistor, raising converter plant, luffing converter plant, walking converter plant Between connection relationship be to be connected in parallel.
Further scheme is, is internally provided with executing agency in gantry body, executing agency include hoisting motor, The revolving speed of hoisting motor is adjusted in luffing motor, movable motor, raising converter plant, and luffing motor is adjusted in luffing converter plant Revolving speed, walking converter plant be adjusted movable motor revolving speed.
In the above scheme, when needing to adjust the speed of weight lifting, PLC control system is transmitted to raising converter plant First adjustment signal, raising converter plant adjust the revolving speed of hoisting motor;When needing to adjust the speed that cantilever crane lifts, PLC control System processed transmits the second adjustment signal to luffing converter plant, and luffing converter plant adjusts the revolving speed of luffing motor;When needing to adjust When saving the speed of travel of crawler crane, PLC control system transmits third adjustment signal to walking converter plant, frequency conversion of walking The revolving speed of device adjusting movable motor.
Further scheme is that gantry body includes boom hoisting, boom system, luffing device, jack up unit, row Walking apparatus, boom hoisting, boom system, luffing device, jack up unit are respectively positioned on the top of running gear, and luffing device is controllable The lifting of boom system, jack up unit can control the lifting of boom hoisting.
Detailed description of the invention
Fig. 1 is the first view of the utility model embodiment crawler crane.
Fig. 2 is the second view of the utility model embodiment crawler crane.
Fig. 3 is the utility model embodiment dynamical system, control system and the functional block diagram of executing agency.
Fig. 4 is the flow chart of the utility model embodiment charging process.
Fig. 5 is the flow chart of the utility model embodiment course of work.
Fig. 6 is the flow chart that the utility model embodiment induced current is lithium battery charging.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
Referring to Fig. 1 and Fig. 2, energy conservation and environmental protection construction machinery provided by the embodiment of the utility model is crawler crane.It should Crawler crane includes gantry body and dynamical system, and the inside of gantry body is arranged in dynamical system.Crane sheet Body includes boom hoisting 1, boom system 2, luffing device 3, jack up unit 4, running gear 5, boom hoisting 1, boom system 2, Luffing device 3, jack up unit 4 are respectively positioned on the top of running gear 5, and luffing device 3 can control the lifting of boom system 2, raising Device 4 control can boom hoisting 1 lifting.Dynamical system includes generating set 6, lithium battery group 7.The crawler crane also wraps Control system is included, set-up of control system is in the inside of gantry body.Control system includes monitor 8,9 and of PLC control system Electric-control system 10.
Referring to Fig. 3, generating set 6 includes generator 61, fairing 62, and generator 61 is electrically connected with fairing 62. Lithium battery group 7 includes lithium battery 71, increasing apparatus 72, charge-discharge controller 73.Electric-control system 10 further includes braking resistor 101, raising converter plant 102, luffing converter plant 103, walking converter plant 104.Braking resistor 101, raising converter plant 102, the connection relationship between luffing converter plant 103, walking converter plant 104 is to be connected in parallel.Executing agency 11 includes Hoisting motor 111, luffing motor 112, movable motor 113.
In the present embodiment, generator 61 is diesel-driven generator.PLC control system 9 can detecte the electricity in lithium battery 71 Amount, and the electricity that will test is shown on monitor 8.One is preset with for 71 charge value of lithium battery in PLC control system 9 A designated value.When PLC control system 9 detects in lithium battery 71 electricity lower than the designated value, PLC control system 9 is to charge and discharge Controller for electric consumption 73 transmits charging signals and to 61 transmission start signal of generator.Generator 61 is exported to fairing 62 and is exchanged AC conversion is direct current by electricity, fairing 62, and fairing 62 is by DC power transmission to increasing apparatus 72, increasing apparatus 72 can greatly reduce the size of current of direct current, to reduce the loss of electric energy, improve the charge efficiency of generator.
When the environmental protection construction machinery needs work, PLC control system 9 transmits electric discharge letter to charge-discharge controller 73 Number, lithium battery 71 starts as the power supply of executing agency 11, the rotation drive work of jack up unit 4 of hoisting motor 111, luffing motor 112 Rotation drives luffing device 3 to work, and the rotation of movable motor 113 drives running gear 5 to work.When the speed for needing to adjust weight lifting When spending, PLC control system 9 transmits the first adjustment signal to raising converter plant 102, and raising converter plant 102 adjusts raising electricity The revolving speed of machine 111;When needing to adjust the speed that cantilever crane lifts, PLC control system 9 transmits second to luffing converter plant 103 Adjustment signal, luffing converter plant 103 adjust the revolving speed of luffing motor 112;When the walking speed for needing to adjust crawler crane When spending, PLC control system 9 transmits third adjustment signal to walking converter plant 104, and walking converter plant 104 adjusts walking electricity The revolving speed of machine 113.
In the present embodiment, the drive form which uses is pure electric vehicle driving, i.e., using lithium electricity Pond is powered for complete machine, compared with traditional construction machinery using diesel engine powers, considerably reduces nuisance The discharge of matter reduces the noise pollution of generation.When lithium battery 71 breaks down, generator 61 can allow complete machine at a slow speed (just The 10% of the normal speed of service) it runs to home.
Referring to fig. 4, charging process provided by the embodiment of the utility model includes the following steps:
Firstly, executing step S1, PLC control system 9 is to 61 transmission start signal of generator;Then, step S2 is executed, is filled Discharge control device 73 transmits charging signals to lithium battery 71, then, executes step S3, generator 61 transfers current to rectification Device 62.Then, step S4 is executed, fairing 62 transfers current to increasing apparatus 72, then executes step S5, increasing apparatus 72 transfer current to lithium battery 71.
In the present embodiment, when PLC control system 9 detects that electricity is lower than designated value in lithium battery 71, just starting is sent out Motor 61 charges automatically for lithium battery 71, to realize the automatic charging to lithium battery 71.
Referring to Fig. 5, the course of work provided by the embodiment of the utility model includes the following steps:
Firstly, executing step S11, PLC control system 9 transmits discharge signal to charge-discharge controller 73;Then step S12, lithium battery 71 are the power supply of executing agency 11, drive each motor rotation in executing agency 11;Then step S13 is executed, it is automatically controlled System 10 transmits adjustment signal, each motor speed in adjustment actuating mechanism 11 to executing agency 11.
In the above scheme, it is provided with and starts switch in the driver's cabin of construction machinery.When need the construction machinery carry out When construction operation, it is on switch, PLC control system 9 transmits discharge signal to charge-discharge controller 73, and lithium battery 71 is opened Begin to provide power for vehicle, which starts to carry out construction operation.
Referring to Fig. 6, induced current is that the process that lithium battery 71 charges includes the following steps:
Step S121 is first carried out, weight decline drives the rotation of 111 inner rotator of hoisting motor, and rotor cutting magnetic line produces Raw induced electromotive force, to generate induced current;Then step S122 is executed, PLC control system 9 detects the electricity in lithium battery 71 Amount, judges whether the electricity of lithium battery 71 reaches full value, if it is not, step S123 is executed, if so, executing step S124.
In step S123, PLC control system 9 transmits charging signals to charge-discharge controller 73, and induced current is lithium electricity It charges in pond 71.
In step S124, PLC control system 9 controls electric-control system 10 and connects braking resistor, induced current flow direction braking electricity Resistance 101.
In the present embodiment, when weight declines, the rotation of 111 rotor of hoisting motor is driven, rotor cutting magnetic line generates Induced electromotive force, to generate induced current in circuit.PLC control system 9 detects the electricity of lithium battery 71 at this time.When lithium electricity When 71 electricity of pond does not reach full value, PLC control system 9 transmits charging signals, charge and discharge control to charge-discharge controller 73 Device 73 controls lithium battery 71 and carries out charging operations, and induced current flows to lithium battery 71 at this time, charges for lithium battery 71;When lithium electricity When 71 electricity of pond reaches full value, PLC control system 9 controls electric-control system 10 and connects braking resistor 101, and induced current flows at this time Braking resistor 101, braking resistor 101 generate heat for faradic power consumption, prevent induced current from burning out circuit, play Protect the effect of circuit.
Although showing and describing the utility model, those skilled in the art in conjunction with the present embodiment and preferred embodiment It should be understood that in the spirit and scope for not departing from the utility model defined by the appended claims, in form and carefully The utility model can be made a variety of changes on section, be the protection scope of the utility model.

Claims (6)

1. a kind of energy conservation and environmental protection construction machinery, including gantry body and dynamical system, the dynamical system is the crane Ontology output power, the dynamical system include generating set, and the generating set includes generator and fairing, described Generator is electrically connected with the fairing, it is characterised in that:
The dynamical system further includes lithium battery group, and the lithium battery group includes lithium battery, increasing apparatus, charge and discharge control dress It sets, the generating set is lithium battery charging by the increasing apparatus, and the charge-discharge controller controls lithium battery Execute charging operations or discharge operation.
2. energy conservation and environmental protection construction machinery according to claim 1, it is characterised in that:
The energy conservation and environmental protection construction machinery further includes control system, and the control system includes monitor, PLC control system, institute It states PLC control system and receives the information of the electricity and display for detecting the electricity in the lithium battery, the monitor.
3. energy conservation and environmental protection construction machinery according to claim 2, it is characterised in that:
The PLC control system also transmits charging signals and discharge signal to the charge-discharge controller.
4. energy conservation and environmental protection construction machinery according to claim 2, it is characterised in that:
The control system includes electric-control system, and the electric-control system includes braking resistor, raising converter plant, luffing frequency conversion dress It sets, converter plant of walking, the braking resistor, the raising converter plant, the luffing converter plant, walking frequency conversion dress It sets and equal is electrically connected with the charge-discharge controller.
5. energy conservation and environmental protection construction machinery according to claim 4, it is characterised in that:
It is internally provided with executing agency in the gantry body, the executing agency includes hoisting motor, luffing motor, walking Motor, the raising converter plant is to the hoisting motor output signal and adjusts the revolving speed of the hoisting motor, the luffing Converter plant is to the luffing motor output signal and adjusts the revolving speed of the luffing motor, and the walking converter plant is to described Movable motor output signal and the revolving speed for adjusting the movable motor.
6. energy conservation and environmental protection construction machinery according to any one of claims 1 to 5, it is characterised in that:
The gantry body includes boom hoisting, boom system, luffing device, jack up unit, running gear, described lifting It sets, the boom system, the luffing device, the jack up unit are respectively positioned on the top of the running gear, the luffing dress The lifting that can control the boom system is set, the jack up unit can control the lifting of the boom hoisting.
CN201920156799.1U 2019-01-28 2019-01-28 A kind of energy conservation and environmental protection construction machinery Active CN209700413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920156799.1U CN209700413U (en) 2019-01-28 2019-01-28 A kind of energy conservation and environmental protection construction machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920156799.1U CN209700413U (en) 2019-01-28 2019-01-28 A kind of energy conservation and environmental protection construction machinery

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109606135A (en) * 2019-01-28 2019-04-12 珠海天力重工有限公司 A kind of energy conservation and environmental protection construction machinery and its working method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109606135A (en) * 2019-01-28 2019-04-12 珠海天力重工有限公司 A kind of energy conservation and environmental protection construction machinery and its working method

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