CN104029591A - Hybrid power crawler crane - Google Patents
Hybrid power crawler crane Download PDFInfo
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- CN104029591A CN104029591A CN201410310569.8A CN201410310569A CN104029591A CN 104029591 A CN104029591 A CN 104029591A CN 201410310569 A CN201410310569 A CN 201410310569A CN 104029591 A CN104029591 A CN 104029591A
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- power
- clutch
- electrical motor
- crawler crane
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- 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 a hybrid power crawler crane. The hybrid power crawler crane comprises a crane body and a power system, wherein the power system is a gasoline-electric hybrid power system which is provided with an engine (6) and a motor (7) and has two working states, according to the first working state, power is output by the engine (6) and transmitted to an actuator through a transmission mechanism (8), and according to the second working state, power is output by the motor (7) and transmitted to the actuator through the transmission mechanism (8). The advantages of a power source of the engine and a power source of the motor are integrated so that the crawler crane can walk for a long distance to change sites and achieve low-noise and zero-emission construction, the energy utilization ratio is increased, exhaust emission is reduced, and the hybrid power crawler crane has remarkable effects of energy conservation and emission reduction and can be suitable for various occasions, particularly municipal construction.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly adopt oil electricity to mix, fuel (gasoline, diesel oil etc.) and electric energy mix the crawler crane that power is provided.
Background technology
Along with the enhancing of various countries' environmental consciousness, Green design has obtained extensively accreditation and attention of the whole world as a kind of new method of designing.
For construction machinery and equipment, adopt diesel engine to drive each actuating unit to carry out work as propulsion source by hydraulic efficiency pressure system because it, therefore oil consumption is high, discharge is poor, and energy-conserving and environment-protective are shouldered heavy responsibilities.
At present, the most driving engines that adopt of crawler crane are as propulsion source both at home and abroad, also there is minority to adopt separately electrical motor as propulsion source, adopt different propulsions source according to different requirement of engineering, the application of crawler crane product taking driving engine as propulsion source is very general, and adopting separately electrical motor is that the driving engine of propulsion source is multiplex in some specific occasion.
The existing power system taking driving engine as propulsion source is very ripe, but its exhaust emissions and motor noise can cause and have a strong impact on environment, the urban construction that particularly crawler crane participates in urban district is more and more, noise when operation, tail gas pollution is the deterioration of aggravation city living environment seriously, therefore in the time of these occasion operations, the noise of crawler crane and discharge are just had higher requirement, and only although the hoisting crane taking electric power as propulsion source has low noise, the advantage of zero-emission, but main frame can not be grown distance walking transition, cannot adapt to various occasions.
Therefore, how designing a kind of hybrid power crawler crane, is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of this invention is to provide a kind of hybrid power crawler crane.This hoisting crane adopts fuel oil and electric energy to mix power is provided, and it combines driving engine and the advantage that electrical motor is propulsion source, can improve energy utilization rate, and reduction exhaust emission, has significant effects of energy saving and emission reduction.
For achieving the above object, the invention provides a kind of hybrid power crawler crane, comprise hoisting crane body and power system, described power system is oil electric mixed dynamic system, and it is provided with driving engine and electrical motor, and has two kinds of mode of operations, at the first mode of operation, described engine output power is also passed to actuating unit by transmission device, and at the second mode of operation, described electrical motor outputting power is also passed to actuating unit by transmission device.
Preferably, described oil electric mixed dynamic system is series connection type hybrid power system, and the clutch end of its driving engine is connected by power-transfer clutch with the power intake of electrical motor;
Described electrical motor is generating/electric dual-purpose machine, the power intake of its clutch end connection for transmission mechanism;
At the first mode of operation, described power-transfer clutch combination, described electrical motor switches to the power generation mode that does not produce electromagnetic resistance, and the power of described driving engine output is inputted described transmission device via described motor main shaft;
At the second mode of operation, described throw-out-of clutch, described electrical motor switches to electric model, and its power is inputted described transmission device.
Preferably, described oil electric mixed dynamic system is parallel connection type hybrid power system, the clutch end of its driving engine is connected with the first power intake of described transmission device by first clutch, and the clutch end of its electrical motor is connected with the second power intake of described transmission device by second clutch;
At the first mode of operation, described first clutch combination, described second clutch is thrown off, and the power of described driving engine is inputted described transmission device;
At the second mode of operation, described first clutch is thrown off, described second clutch combination, and the power of described electrical motor is inputted described transmission device.
Preferably, further there is the 3rd mode of operation, at the 3rd mode of operation, the combination simultaneously of described first clutch and second clutch, the power of described driving engine and electrical motor is inputted described transmission device simultaneously.
Preferably, described transmission device is auxiliary gear box.
Preferably, described actuating unit comprise the luffing that driven by hydraulic efficiency pressure system, hoist, walk, revolution and auxiliary mechanism; The pump group of the clutch end of described auxiliary gear box and described hydraulic efficiency pressure system is in transmission connection.
Preferably, described pump group comprises main pump, rotary pump and complementary pump.
Preferably, further comprise controller, it controls the mode of operation of described driving engine, electrical motor, power-transfer clutch, pump group and hydraulic efficiency pressure system.
Preferably, also comprise battery pack, it provides power supply for described electrical motor outputting power.
Preferably, the power supply of described electrical motor outputting power is external source.
The present invention is by designing hybrid power system for crawler crane, become hybrid power crawler crane, owing to thering are two cover power plants, a set of is driving engine, another set of is electrical motor, therefore in the time of work, optionally use driving engine or electrical motor that power is provided, move on a large scale or when field construction at needs, adopt driving engine as propulsion source, by engine output power and be passed to actuating unit by transmission device and carry out operation, construction or in the time that port and pier etc. does not need the construction of roving occasion in urban area, can be by switching propulsion source, adopt electrical motor as propulsion source, by electrical motor outputting power and be passed to actuating unit by transmission device and carry out operation.The present invention has organically integrated the advantage in driving engine and motor power source, make crawler crane can either grow distance walking transition, can realize again low noise, zero-emission construction, thereby improve energy utilization rate, reduce exhaust emission, there is significant effects of energy saving and emission reduction, can adapt to various occasions, particularly urban construction.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of detailed description of the invention of series hybrid-power crawler crane provided by the present invention;
Fig. 2 is the systematic schematic diagram of series hybrid-power crawler crane shown in Fig. 1;
Fig. 3 is the structural representation of a kind of detailed description of the invention of parallel hybrid power crawler crane provided by the present invention;
Fig. 4 is the systematic schematic diagram of parallel hybrid power crawler crane shown in Fig. 3.
In figure:
1. traveling gear 2. swing type mechanism 3. lifting mechanism 4. control housing 5. luffing mechanism 6. driving engine 7. electrical motor 8. transmission device 9. power-transfer clutch 11. first clutch 12. second clutch
Detailed description of the invention
In order to make those skilled in the art person understand better the present invention program, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The present invention has omitted unnecessary component representation in an embodiment, and identical member represents with identical mark on different accompanying drawings, and numeral and letter, for distinguishing member or the element with same term, do not have specific implication, do not represent any order yet.
Please refer to Fig. 1, Fig. 2, Fig. 1 is the structural representation of a kind of detailed description of the invention of series hybrid-power crawler crane provided by the present invention; Fig. 2 is the systematic schematic diagram of series hybrid-power crawler crane shown in Fig. 1.
As shown in the figure, in a kind of detailed description of the invention, the invention provides a kind of hybrid power crawler crane, it is mainly made up of hoisting crane body and power system, and hoisting crane body is provided with the actuating units such as traveling gear 1, swing type mechanism 2, lifting mechanism 3, control housing 4, luffing mechanism 5.
Oily electric series connection type hybrid power system is installed in the turntable of hoisting crane body, it is provided with driving engine 6 and 7 liang of cover propulsions source of electrical motor, and there are two kinds of mode of operations, at the first mode of operation, driving engine 6 outputting powers are also passed to actuating unit by transmission device 8 and carry out operation, at the second mode of operation, electrical motor 7 outputting powers are also passed to actuating unit by transmission device 8 and carry out operation.
Particularly, the power intake of the clutch end of driving engine 6 and electrical motor 7 is in series by power-transfer clutch 9, and electrical motor 7 is generating/electric dual-purpose machine, the power intake of its clutch end connection for transmission mechanism 8.
At the first mode of operation, power-transfer clutch 9 combinations, electrical motor 7 switches to the power generation mode that does not produce electromagnetic resistance, and the power that driving engine 6 is exported is via the main shaft input driver structure 8 of electrical motor 7.
At the second mode of operation, power-transfer clutch 9 is thrown off, and electrical motor 7 switches to electric model, its power input driver structure 8.
Transmission device 8 can adopt auxiliary gear box, actuating unit comprises the luffing that driven by hydraulic efficiency pressure system, hoists, walks, revolution and auxiliary mechanism, the pump group of hydraulic efficiency pressure system comprises main pump, rotary pump and complementary pump, and the pump group of the clutch end of auxiliary gear box and hydraulic efficiency pressure system is in transmission connection.
Solid line in Fig. 2 represents mechanokinetic transmission, dotted line represents the transmission of control signal, controller is for the mode of operation of control engine, electrical motor, power-transfer clutch, pump group and hydraulic efficiency pressure system, in the time of operation, the main shaft rotation of electrical motor 7 generates an electromagnetic field and is converted to electrical generator, by selecting generating/electric dual-purpose machine, in electrical generator, increase a set of overdrive clutch device, can make electrical motor 7 work time, main shaft rotates and does not produce electromagnetic resistance, only play gearing, whole like this propulsion source is just consistent with traditional power form.If throw off the power-transfer clutch 9 between driving engine 6 and electrical motor 7, electrical motor 7 become to pure electric cater-pillar crane as propulsion source.
The power supply that electrical motor 7 outputting powers are required, can be on-vehicle battery group, can be also external source, especially while construction in urban area, because crawler crane miles of relative movement demand is little, therefore can use the power supply powered by conventional energy of being convenient to intervention, can alleviate like this degree of dependence to battery pack.
Please refer to Fig. 3, Fig. 4, Fig. 3 is the structural representation of a kind of detailed description of the invention of parallel hybrid power crawler crane provided by the present invention; Fig. 4 is the systematic schematic diagram of parallel hybrid power crawler crane shown in Fig. 3.
As shown in the figure, in another kind of detailed description of the invention, hybrid power crawler crane provided by the invention is provided with oily electric parallel connection type hybrid power system in the turntable of hoisting crane body, it is provided with driving engine 6 and 7 liang of cover propulsions source of electrical motor equally, wherein, the clutch end of driving engine 6 is connected with the first power intake of transmission device 8 by first clutch 11, and the clutch end of electrical motor 7 is connected with the second power intake of transmission device 8 by second clutch 12.
At the first mode of operation, first clutch 11 combinations, second clutch 12 is thrown off, only the power input driver structure 8 of driving engine 6.
At the second mode of operation, first clutch 11 is thrown off, second clutch 12 combinations, only the power input driver structure 8 of electrical motor 7.
Transmission device 8 can adopt auxiliary gear box, actuating unit comprises the luffing that driven by hydraulic efficiency pressure system, hoists, walks, revolution and auxiliary mechanism, the pump group of hydraulic efficiency pressure system comprises main pump, rotary pump and complementary pump, and the pump group of the clutch end of auxiliary gear box and hydraulic efficiency pressure system is in transmission connection.
Solid line in Fig. 4 represents mechanokinetic transmission, dotted line represents the transmission of control signal, controller is for the mode of operation of control engine, electrical motor, power-transfer clutch, pump group and hydraulic efficiency pressure system, in when running, driving engine 6, electrical motor 7 can be respectively by power by power-transfer clutch-headstock-pump group-hydraulic efficiency pressure system-control system pass to that complete machine walk, hoisted, luffing, revolution, auxiliary mechanism operate.
Certainly, two propulsions source of parallel type hybrid dynamic are co-ordination simultaneously both, also driving hoisting crane separately can work independently, when co-ordination simultaneously, first clutch 11 and second clutch 12 combinations simultaneously, the power of driving engine 6 and electrical motor 7 is input driver structure simultaneously, to make up the problem of driving engine reserve horsepower deficiency.
The present invention adopts two kinds of forms of series, parallel to realize hybrid power, specifically adopts which kind of form can be according to mechanical dimensions, locus, and the combined factors such as car load power system coupling is considered to determine.
Owing to thering are two cover power plants, therefore in the time of work, optionally use driving engine 6 or electrical motor 7 that power is provided, move on a large scale or when field construction at needs, adopt driving engine 6 as propulsion source, by driving engine 6 outputting powers and be passed to actuating unit by transmission device 8 and carry out operation, construction or in the time that port and pier etc. does not need the construction of roving occasion in urban area, can be by switching propulsion source, adopt electrical motor 7 as propulsion source, by electrical motor 7 outputting powers and be passed to actuating unit by transmission device 8 and carry out operation.
The present invention has organically integrated the advantage of driving engine 6 with electrical motor 7 propulsions source, make crawler crane can either grow distance walking transition, can realize again low noise, zero-emission construction, thereby improve energy utilization rate, reduce exhaust emission, there is significant effects of energy saving and emission reduction, can adapt to various occasions, particularly urban construction.
Certainly, above-described embodiment is only preferred version of the present invention, is specifically not limited to this, can make according to actual needs on this basis pointed adjustment, thereby obtain different embodiments.For example, adopt other power distribution equipment to replace auxiliary gear box etc.Because mode in the cards is more, casehistory no longer one by one just here.
Above hybrid power crawler crane provided by the present invention is described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand core concept of the present invention.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (10)
1. a hybrid power crawler crane, comprise hoisting crane body and power system, it is characterized in that, described power system is oil electric mixed dynamic system, it is provided with driving engine (6) and electrical motor (7), and there are two kinds of mode of operations, at the first mode of operation, described driving engine (6) outputting power is also passed to actuating unit by transmission device (8), at the second mode of operation, described electrical motor (7) outputting power is also passed to actuating unit by transmission device (8).
2. hybrid power crawler crane according to claim 1, it is characterized in that, described oil electric mixed dynamic system is series connection type hybrid power system, and the clutch end of its driving engine (6) is connected by power-transfer clutch (9) with the power intake of electrical motor (7);
Described electrical motor (7) is generating/electric dual-purpose machine, the power intake of its clutch end connection for transmission mechanism (8);
At the first mode of operation, described power-transfer clutch (9) combination, described electrical motor (7) switches to the power generation mode that does not produce electromagnetic resistance, and the power of described driving engine (6) output is inputted described transmission device (8) via described electrical motor (7) main shaft;
At the second mode of operation, described power-transfer clutch (9) is thrown off, and described electrical motor (7) switches to electric model, and its power is inputted described transmission device (8).
3. hybrid power crawler crane according to claim 1, it is characterized in that, described oil electric mixed dynamic system is parallel connection type hybrid power system, the clutch end of its driving engine (6) is connected with the first power intake of described transmission device (8) by first clutch (11), and the clutch end of its electrical motor (7) is connected with the second power intake of described transmission device (8) by second clutch (12);
At the first mode of operation, described first clutch (11) combination, described second clutch (12) is thrown off, and the power of described driving engine (6) is inputted described transmission device (8);
At the second mode of operation, described first clutch (11) is thrown off, described second clutch (12) combination, and the power of described electrical motor (7) is inputted described transmission device (8).
4. hybrid power crawler crane according to claim 3, it is characterized in that, further there is the 3rd mode of operation, at the 3rd mode of operation, the combination simultaneously of described first clutch (11) and second clutch (12), the power of described driving engine (6) and electrical motor (7) is inputted described transmission device (8) simultaneously.
5. according to the hybrid power crawler crane described in claim 1 to 4 any one, it is characterized in that, described transmission device (8) is auxiliary gear box.
6. hybrid power crawler crane according to claim 5, is characterized in that, described actuating unit comprises the luffing that driven by hydraulic efficiency pressure system, hoists, walks, revolution and auxiliary mechanism; The pump group of the clutch end of described auxiliary gear box and described hydraulic efficiency pressure system is in transmission connection.
7. hybrid power crawler crane according to claim 6, is characterized in that, described pump group comprises main pump, rotary pump and complementary pump.
8. hybrid power crawler crane according to claim 7, is characterized in that, further comprises controller, and it controls the mode of operation of described driving engine, electrical motor, power-transfer clutch, pump group and hydraulic efficiency pressure system.
9. hybrid power crawler crane according to claim 8, is characterized in that, also comprises battery pack, and it provides power supply for described electrical motor outputting power.
10. hybrid power crawler crane according to claim 8, is characterized in that, the power supply of described electrical motor outputting power is external source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310569.8A CN104029591A (en) | 2014-07-01 | 2014-07-01 | Hybrid power crawler crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410310569.8A CN104029591A (en) | 2014-07-01 | 2014-07-01 | Hybrid power crawler crane |
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| CN104029591A true CN104029591A (en) | 2014-09-10 |
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| CN201410310569.8A Pending CN104029591A (en) | 2014-07-01 | 2014-07-01 | Hybrid power crawler crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588811A (en) * | 2018-06-12 | 2019-12-20 | 卡特彼勒公司 | Capstan linear speed control for track type machine with electric drive power train |
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| CN203995647U (en) * | 2014-07-01 | 2014-12-10 | 徐工集团工程机械股份有限公司 | A kind of hybrid power crawler crane |
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2014
- 2014-07-01 CN CN201410310569.8A patent/CN104029591A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1408571A (en) * | 2002-09-03 | 2003-04-09 | 中国第一汽车集团公司 | Mixed power automobile power assembly |
| US7378808B2 (en) * | 2004-05-25 | 2008-05-27 | Caterpillar Inc. | Electric drive system having DC bus voltage control |
| CN1647966A (en) * | 2005-01-31 | 2005-08-03 | 上海汽车工业(集团)总公司汽车工程研究院 | Parallel connection mixed power driving system and its driving method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110588811A (en) * | 2018-06-12 | 2019-12-20 | 卡特彼勒公司 | Capstan linear speed control for track type machine with electric drive power train |
| CN110588811B (en) * | 2018-06-12 | 2022-09-02 | 卡特彼勒公司 | Capstan linear speed control for track type machine with electric drive power train |
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