CN102425579A - Hydraulic rotary system, hydraulic air-conditioning system arrangement structure and engineering mechanical equipment thereof - Google Patents
Hydraulic rotary system, hydraulic air-conditioning system arrangement structure and engineering mechanical equipment thereof Download PDFInfo
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- CN102425579A CN102425579A CN201110333000XA CN201110333000A CN102425579A CN 102425579 A CN102425579 A CN 102425579A CN 201110333000X A CN201110333000X A CN 201110333000XA CN 201110333000 A CN201110333000 A CN 201110333000A CN 102425579 A CN102425579 A CN 102425579A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 91
- 239000000446 fuel Substances 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 4
- 239000003921 oil Substances 0.000 abstract description 57
- 239000010705 motor oil Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 206010044565 Tremor Diseases 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009194 climbing Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
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Abstract
Engineering machinery equipment hydraulic pressure gyration system and hydraulic pressure air conditioning system arrangement structure, including hydraulic pressure gyration system (2) and hydraulic pressure air conditioning system (1), wherein, hydraulic pressure air conditioning system (1) is through first hydraulic pump (3) via first switching-over valve (5) to air conditioner hydraulic motor oil supply, and hydraulic pressure gyration system (2) is through second hydraulic pump (4) via second switching-over valve (6) to gyration hydraulic motor oil supply. In addition, the invention also provides engineering mechanical equipment with the arrangement structure. Aiming at the defects in the prior art, the hydraulic rotary system and the hydraulic air conditioning system are relatively independent by adding the oil pump and improving the oil supply oil way and the oil return oil way, so that the hydraulic rotary system and the hydraulic air conditioning system do not influence each other when working simultaneously. The arrangement structure of the hydraulic rotary system and the hydraulic air conditioning system of the engineering mechanical equipment obviously improves the reliability of the two working performances of the hydraulic rotary system and the hydraulic air conditioning system, thereby improving the overall working performance of the engineering mechanical equipment.
Description
Technical field
The present invention relates to the engineering mechanical device hydraulic system, particularly, the present invention relates to a kind of engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system layout.In addition, the invention still further relates to a kind of engineering mechanical device with above-mentioned layout.
Background technique
Engineering mechanical device for example extensively adopts hydraulic gyration system and hydraulic pressure air-conditioning system in the hydraulic hoist, wherein the hydraulic gyration system is mainly used in the rotary table that drives engineering mechanical device, to enlarge the job area of engineering mechanical device operation mechanism.The hydraulic pressure air-conditioning system is mainly used in betterment works machinery operator's travelling comfort.
In the hydraulic system of existing engineering mechanical device, be that hydraulic pressure air-conditioning system oil circuit is connected in the rotary system oil circuit basically, this series connection oil circuit makes and always causes certain harmful effect when rotary system and hydraulic pressure air-conditioning system are worked at the same time each other.For example, the hydraulic pressure air-conditioning system can cause influences such as revolution shake, impact, revolution shakiness to rotary system.Rotary system can cause that air-conditioning motor volumetric efficiency is lower to the hydraulic pressure air-conditioning system, the life-span reduces, air-conditioning motor hypervelocity, air-conditioning motor filler opening pressure are excessive, influences such as oil sealing leakage of oil appear in air-conditioning motor easily.
Particularly, the main following two kinds of form serial fashions of existing engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system:
Referring to shown in Figure 1; First kind of serial fashion is the front that hydraulic pressure air-conditioning system 1 is placed on hydraulic gyration system 2; Under this layout; If hydraulic pressure air-conditioning system and hydraulic gyration system work simultaneously, then pressure oil needs to drive earlier the air-conditioning motor operations after oil pump output, and then the filler opening driving rotational motor operations from the oil outlet of air-conditioning motor to rotary motor.In this first kind series connection oil circuit layout; Hydraulic gyration system 2 can produce certain influence to hydraulic pressure air-conditioning system 1, occurs easily that air-conditioning motor volumetric efficiency reduces, problems such as air-conditioning motor hypervelocity, air-conditioning motor filler opening pressure are excessive, the leakage of air-conditioning motor oil sealing.
Referring to shown in Figure 2; Second kind of serial fashion is the back that hydraulic pressure air-conditioning system 2 is placed on hydraulic gyration system 1; Under this layout; If hydraulic pressure air-conditioning system and hydraulic gyration system work simultaneously, then pressure oil drives rotary motor work earlier from oil pump output back, and then the filler opening driving rotational motor operations from the oil outlet of rotary motor to the air-conditioning motor.Under this situation, the revolution shake appears in rotary motor easily, impacts, is short of power, turns round when turning round climbing problems such as shakiness.
In view of this, need a kind of new hydraulic gyration system of design and hydraulic pressure air-conditioning system layout, to address the above problem.
Summary of the invention
Technical problem to be solved by this invention provides a kind of engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system layout; This project machinery hydraulic gyration system and hydraulic pressure air-conditioning system layout are worked simultaneously and can be independent of each other in said hydraulic gyration system and hydraulic pressure air-conditioning system, thereby guarantee the reliability of said hydraulic gyration system works performance.
On this basis; The further technical problem to be solved of the present invention provides a kind of engineering mechanical device; Can complementary influence when the hydraulic gyration system of this project machinery and hydraulic pressure air-conditioning system are worked at the same time, thereby improve the service behaviour of this project machinery.
In order to solve the problems of the technologies described above; The present invention provides a kind of engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system layout; Comprise hydraulic gyration system and hydraulic pressure air-conditioning system; Wherein, said hydraulic pressure air-conditioning system through first oil hydraulic pump via first selector valve to air-conditioning oil hydraulic motor fuel feeding, said hydraulic gyration system through second oil hydraulic pump via second selector valve to the rotary fluid motor fuel feeding.
Preferably, said hydraulic gyration system and hydraulic pressure air-conditioning system have independently oil return circuit separately.
Particularly, said first selector valve is a solenoid directional control valve.
Particularly, said second selector valve is the leading type pilot operated directional control valve.
Specifically selectively, said leading type hydraulicdirectional control valve is a three position four-way directional control valve.
Preferably, said first oil hydraulic pump and second oil hydraulic pump constitute duplex gear pump.
Selectively, said first oil hydraulic pump and second oil hydraulic pump are oil hydraulic pump independent of each other.
On the basis of technique scheme, the present invention also provides a kind of engineering mechanical device, and wherein, this project machinery adopts above-mentioned engineering mechanical device hydraulic gyration system and the hydraulic pressure air-conditioning system layout of the present invention.
Particularly, said engineering mechanical device is hydraulic hoist or hydraulic shovel.
Pass through technique scheme; Engineering mechanical device hydraulic gyration system of the present invention and hydraulic pressure air-conditioning system layout are to the existing in prior technology defective; Through increasing oil pump and improving oil feeding line and oil return circuit; Make that hydraulic gyration system and hydraulic pressure air-conditioning system are relatively independent, thereby make hydraulic gyration system and hydraulic pressure air-conditioning system be independent of each other when working simultaneously.Engineering mechanical device hydraulic gyration system of the present invention and hydraulic pressure air-conditioning system layout have significantly improved the reliability of hydraulic gyration system works performance; Prevented effectively because of revolution shake, hydraulic oil that hydraulic gyration system and the shared oil sources of hydraulic pressure air-conditioning system are caused impact, be short of power, turn round defective such as shakiness during the revolution climbing, thereby improved the integral working of engineering mechanical device.
Other features and advantages of the present invention will partly specify in embodiment subsequently.
Description of drawings
Attached drawings is used to provide further understanding of the present invention, and constitutes the part of specification, and it is used to explain the present invention with following embodiment, but protection scope of the present invention is not limited to following accompanying drawing and embodiment.In the accompanying drawings:
Fig. 1 is the hydraulic schematic diagram of first kind of tandem arrangement form of engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system in the existing technology.
Fig. 2 is the hydraulic schematic diagram of second kind of tandem arrangement form of engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system in the existing technology.
Fig. 3 is the engineering mechanical device hydraulic gyration system of the specific embodiment of the invention and the hydraulic schematic diagram of hydraulic pressure air-conditioning system layout.
Description of reference numerals:
1 hydraulic pressure air-conditioning system; 2 hydraulic gyration systems;
3 first oil hydraulic pumps; 4 second oil hydraulic pumps.
5 first selector valves, 6 second selector valves
Embodiment
Be elaborated below in conjunction with the accompanying drawing specific embodiments of the invention, should be understood that, embodiment described herein only is used for explanation and explains the present invention, and protection scope of the present invention is not limited to following embodiment.
Referring to shown in Figure 3; Engineering mechanical device hydraulic gyration system of the present invention and hydraulic pressure air-conditioning system layout comprise hydraulic gyration system 2 and hydraulic pressure air-conditioning system 1; Wherein, Said hydraulic pressure air-conditioning system 1 through first oil hydraulic pump 3 via first selector valve 5 to air-conditioning oil hydraulic motor fuel feeding, said hydraulic gyration system 2 through second oil hydraulic pump 4 via second selector valve 6 to the rotary fluid motor fuel feeding.
As shown in Figure 3, preferably, said hydraulic gyration system 2 and hydraulic pressure air-conditioning system 1 have independently oil return circuit separately; That is to say; In the present invention, hydraulic gyration system 2 adopts independently oil return circuit separately with hydraulic pressure air-conditioning system 1, and no longer shared or use oil return circuit with.
Through this technological scheme; Hydraulic gyration system of the present invention and hydraulic pressure air-conditioning system layout can solve the defective of series connection oil circuit setting type in the existing technology effectively; The present invention is respectively hydraulic gyration system 2 and hydraulic pressure air-conditioning system 1 fuel feeding through two oil hydraulic pumps; And hydraulic gyration system and hydraulic pressure air-conditioning system have independently oil return circuit separately, thereby make that hydraulic gyration system 2 and hydraulic pressure air-conditioning system 1 are relatively independent, when working simultaneously with hydraulic pressure air-conditioning system 1 in hydraulic gyration system 2; Hydraulic pressure air-conditioning system 1 can not produce any influence to hydraulic gyration system 2; Hydraulic gyration system 2 can not produce any influence to hydraulic pressure air-conditioning system 1 yet simultaneously, and both work independent of each other do not exist any association or subordinate relation on oil circuit; Thereby improved the reliability of hydraulic gyration system works performance effectively, can not have influence on the normal operation of hydraulic gyration system 2 because of the running of hydraulic pressure air-conditioning system 1.
This shows; The key takeaway of technical conceive of the present invention is; In the engineering mechanical device hydraulic system; With the oil circuit of the hydraulic gyration system of existing technology and the series connection of hydraulic pressure air-conditioning system, change into and increase an oil pump and make and hydraulic gyration system 2 and 1 work independently of one another of hydraulic pressure air-conditioning system can not produce any influence each other.In addition; The oil circuit of hydraulic gyration system 2 and hydraulic pressure air-conditioning system 1 be connected can be basically with existing technology in identical or similar; But, influence each other as stated, in order to prevent hydraulic gyration system 2 and hydraulic pressure air-conditioning system 1 up hill and dale although oil return circuit is small to the influence of hydraulic system; Hydraulic gyration system 2 has independently oil return circuit separately with hydraulic pressure air-conditioning system 1, and no longer as shared in the existing technology or use oil return circuit with.
On the basis of above-mentioned basic technical scheme, preferably, said first oil hydraulic pump 3 and second oil hydraulic pump 4 constitute duplex gear pump, with through same motor or internal combustion engine drive.
Selectively, said first oil hydraulic pump 3 and second oil hydraulic pump 4 also can be oil hydraulic pump independent of each other, and pass through separately drive motor or internal combustion engine drive.
As shown in Figure 3, said first selector valve 5 is a solenoid directional control valve.Said second selector valve 6 is the leading type pilot operated directional control valve.In order to realize the clockwise and anticlockwise of rotary fluid motor, this leading type hydraulicdirectional control valve is a three position four-way directional control valve.
On the basis of technique scheme, the present invention also provides a kind of engineering mechanical device, and this project machinery adopts above-mentioned engineering mechanical device hydraulic gyration system and the hydraulic pressure air-conditioning system layout of the present invention.In addition, preferably, said engineering mechanical device can make hydraulic hoist, and certainly, it also can be other engineering mechanical device, for example hydraulic shovel etc.
Can find out by last description; Hydraulic gyration system of the present invention and hydraulic pressure air-conditioning system layout are to the deficiency of two kinds of series connection oil circuits in the existing technology; Address the deficiencies of the prior art from the supply oil sources; Through increasing oil pump and improving oil feeding line and oil return circuit; Make that hydraulic gyration system and hydraulic pressure air-conditioning system are relatively independent, thereby switch hydraulic pressure air-conditioning system can not produce any influence to the hydraulic gyration system, and the hydraulic gyration system can not produce any influence to the hydraulic pressure air-conditioning system yet.Engineering mechanical device hydraulic gyration system of the present invention and hydraulic pressure air-conditioning system layout have significantly improved the reliability of hydraulic gyration system works performance; Prevented effectively because of defectives such as revolution shake, hydraulic oil that hydraulic gyration system and the shared oil sources of hydraulic pressure air-conditioning system are caused impact, it is motionless to change during the revolution climbing, revolution shakinesses, thereby improved the integral working of engineering mechanical device.
More than combine accompanying drawing to describe preferred implementation of the present invention in detail; But; The present invention is not limited to the detail in the above-mentioned mode of execution; In technical conceive scope of the present invention, can carry out multiple simple variant to technological scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characteristics described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the present invention, as long as it is without prejudice to thought of the present invention, it should be regarded as the disclosed content of the present invention equally.
Claims (9)
1. engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system layout; Comprise hydraulic gyration system (2) and hydraulic pressure air-conditioning system (1); Wherein, Said hydraulic pressure air-conditioning system (1) through first oil hydraulic pump (3) via first selector valve (5) to air-conditioning oil hydraulic motor fuel feeding, said hydraulic gyration system (2) through second oil hydraulic pump (4) via second selector valve (6) to the rotary fluid motor fuel feeding.
2. engineering mechanical device hydraulic gyration system according to claim 1 and hydraulic pressure air-conditioning system layout, wherein, said hydraulic gyration system (2) and hydraulic pressure air-conditioning system (1) have independently oil return circuit separately.
3. engineering mechanical device hydraulic gyration system according to claim 1 and hydraulic pressure air-conditioning system layout, wherein, said first selector valve (5) is a solenoid directional control valve.
4. engineering mechanical device hydraulic gyration system according to claim 1 and hydraulic pressure air-conditioning system layout, wherein, said second selector valve (6) is the leading type pilot operated directional control valve.
5. engineering mechanical device hydraulic gyration system according to claim 4 and hydraulic pressure air-conditioning system layout, wherein, said leading type hydraulicdirectional control valve is a three position four-way directional control valve.
6. according to each described engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system layout in the claim 1 to 5, wherein, said first oil hydraulic pump (3) and second oil hydraulic pump (4) constitute duplex gear pump.
7. according to each described engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system layout in the claim 1 to 5, wherein, said first oil hydraulic pump (3) and second oil hydraulic pump (4) are oil hydraulic pump independent of each other.
8. engineering mechanical device, wherein, this project machinery adopts according to each described engineering mechanical device hydraulic gyration system and hydraulic pressure air-conditioning system layout in the claim 1 to 7.
9. engineering mechanical device according to claim 8, wherein, said engineering mechanical device is hydraulic hoist or hydraulic shovel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110333000XA CN102425579A (en) | 2011-10-28 | 2011-10-28 | Hydraulic rotary system, hydraulic air-conditioning system arrangement structure and engineering mechanical equipment thereof |
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| CN201110333000XA CN102425579A (en) | 2011-10-28 | 2011-10-28 | Hydraulic rotary system, hydraulic air-conditioning system arrangement structure and engineering mechanical equipment thereof |
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| CN102425579A true CN102425579A (en) | 2012-04-25 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006387A (en) * | 2016-05-11 | 2016-10-12 | 北汽福田汽车股份有限公司 | Air conditioner rotation system and engineering machine with same |
| CN106515358A (en) * | 2016-10-18 | 2017-03-22 | 国网山东省电力公司电力科学研究院 | Hydraulic air-conditioner control system and method of insulated bucket |
| CN106524347A (en) * | 2016-10-18 | 2017-03-22 | 国网山东省电力公司电力科学研究院 | High-voltage hot-line work robot insulating hopper hydraulic air-conditioning system and method |
| CN114412849A (en) * | 2021-12-07 | 2022-04-29 | 浙江大学 | Control method of loading rotary system of large-inertia rotary drilling rig with independently controlled load port |
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| US20090094973A1 (en) * | 2007-10-16 | 2009-04-16 | Volvo Construction Equipment Holding Sweden Ab | Hydraulic circuit for heavy equipment |
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Patent Citations (6)
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| JP2007177798A (en) * | 2005-12-26 | 2007-07-12 | Kobelco Cranes Co Ltd | Hydraulic traveling device of working vehicle |
| CN201013682Y (en) * | 2007-02-25 | 2008-01-30 | 江苏创导空调有限公司 | Hydraulic power air-conditioner hydraulic oil quantity dispensing system for engineering vehicle |
| US20090094973A1 (en) * | 2007-10-16 | 2009-04-16 | Volvo Construction Equipment Holding Sweden Ab | Hydraulic circuit for heavy equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106006387A (en) * | 2016-05-11 | 2016-10-12 | 北汽福田汽车股份有限公司 | Air conditioner rotation system and engineering machine with same |
| CN106515358A (en) * | 2016-10-18 | 2017-03-22 | 国网山东省电力公司电力科学研究院 | Hydraulic air-conditioner control system and method of insulated bucket |
| CN106524347A (en) * | 2016-10-18 | 2017-03-22 | 国网山东省电力公司电力科学研究院 | High-voltage hot-line work robot insulating hopper hydraulic air-conditioning system and method |
| CN114412849A (en) * | 2021-12-07 | 2022-04-29 | 浙江大学 | Control method of loading rotary system of large-inertia rotary drilling rig with independently controlled load port |
| CN114412849B (en) * | 2021-12-07 | 2023-01-13 | 浙江大学 | Control method of loading rotary system of large-inertia rotary drilling rig with independently controlled load port |
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Application publication date: 20120425 |