CN104999884A - Hydraulic suspension composite suspension - Google Patents
Hydraulic suspension composite suspension Download PDFInfo
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- CN104999884A CN104999884A CN201510438416.6A CN201510438416A CN104999884A CN 104999884 A CN104999884 A CN 104999884A CN 201510438416 A CN201510438416 A CN 201510438416A CN 104999884 A CN104999884 A CN 104999884A
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Abstract
The invention relates to the technical field of automobile engineering, and provides a hydraulic suspension composite suspension. The hydraulic suspension composite suspension comprises common suspensions, hydraulic suspension cylinders, an energy storage device, an interconnection pipeline and electrically-controlled hydraulic valves. The number of the hydraulic suspension cylinders is equal to the number of wheels; and the upper ends of the hydraulic suspension cylinders are fixedly connected with a vehicle body, and the lower ends of the hydraulic suspension cylinders are connected with the upper ends of the common suspensions. The lower ends of the common suspensions are connected with the wheels, and the energy storage device is connected with the interconnection pipeline; a floating piston is arranged in the energy storage device; and hydraulic oil exists on one side of the floating piston, and high-pressure gas exists on the other side of the floating piston. The energy storage device is communicated with the suspension hydraulic cylinders through the interconnection pipeline, and the two-position two-way electrically-controlled hydraulic valves are arranged at the connecting positions of the interconnection pipeline and the hydraulic suspension cylinders respectively. The hydraulic suspension composite suspension has the beneficial effects that the problem that a traditional suspension cannot give consideration to the strong off-road capability and the high-speed running capacity is solved, the high-speed running capacity of the vehicle body on a paving road is kept, the passing capacity of a vehicle on the extremely-uneven road is improved, and the adaptability of a vehicle suspension system is improved.
Description
Technical field
The present invention relates to AE field, particularly a kind of hydraulic pressure suspension compound suspension.
Background technology
Suspension is the general name of force transmission connections between vehicle body and wheel, and the moment that its effect is vertical reaction road surface acted on wheel, longitudinal counter-force and lateral reaction and these counter-forces are formed is delivered on vehicle body, to ensure the normal traveling of automobile.
Traditional wheeled or cross-country vehicle is for the cross-country road of the limit, as the stone riprap road of big rise and fall, narrow hill path lacks good crossing ability, and adopt simulated animal " leg " although the mechanism of walking is greatly improved in limit cross country power, but the ability of running at high speed but lost at pavement of road, and complex structure, efficiency is low.Adopt wheel, leg combined running gear, although can take into account above-mentioned advantage, two cover running gears, can make the weight of system greatly increase.In order to realize the full region crossing ability of vehicle, keep the high speed of conventional truck paved road again, in the urgent need to development of new suspension frame structure simultaneously.
Summary of the invention
The object of the invention is to: in order to solve the high cross-country crossing ability of vehicle and paved road for the contradiction of suspension system characteristic requirements, provide a kind of hydraulic pressure suspension compound suspension.
A kind of hydraulic pressure suspension compound suspension of the present invention, comprise conventional suspension, hydraulic pressure suspension cylinder, accumulator, interconnecting pipes, electro hydraulic valve, described hydraulic pressure suspension cylinder quantity is identical with wheel count, described hydraulic pressure suspension cylinder upper end is fixedly connected with car body, and lower end is connected with described conventional suspension upper end, and conventional suspension lower end is connected with wheel, described accumulator is connected with described interconnecting pipes, there is floating piston described accumulator inside, and described floating piston side is hydraulic oil, and opposite side is high pressure gas; Described accumulator and described in each between suspension hydraulic cylinder all by described interconnecting pipes UNICOM, described interconnecting pipes and described hydraulic pressure suspension cylinder junction are equipped with described electro hydraulic valve.
Further, described electro hydraulic valve is bi-bit bi-pass.
Beneficial effect of the present invention is: solve the high cross-country crossing ability of vehicle and the paved road contradiction for suspension system characteristic requirements, both the ability of running at high speed on ordinary road road surface had been maintained, greatly can improve again automobile by various hollow road and the ability without area, road and various obstacle, strengthen automobile full region covering power and manoevreability.
Accompanying drawing explanation
Figure 1 shows that embodiment of the present invention structural representation.
In figure: 1-car body, 2-hydraulic pressure suspension cylinder, 3-interconnecting pipes, 4-energy storage, 5-conventional suspension, 6-wheel, 7-electro hydraulic valve.
Detailed description of the invention
Hereafter will describe the specific embodiment of the invention in detail in conjunction with concrete accompanying drawing.It should be noted that the combination of technical characteristic or the technical characteristic described in following embodiment should not be considered to isolated, they can mutually be combined thus be reached better technique effect.In the accompanying drawing of following embodiment, the identical label that each accompanying drawing occurs represents identical feature or parts, can be applicable in different embodiment.
As shown in Figure 1, a kind of hydraulic pressure suspension compound suspension of the embodiment of the present invention, comprise conventional suspension 5, hydraulic pressure suspension cylinder 2, accumulator 4, interconnecting pipes 3, electro hydraulic valve 7, described hydraulic pressure suspension cylinder 2 quantity is identical with wheel 6 quantity, described hydraulic pressure suspension cylinder 2 upper end is fixedly connected with car body 1, lower end is connected with described conventional suspension 5 upper end, conventional suspension 5 lower end is connected with wheel 6, described accumulator 4 top is connected with described interconnecting pipes 3, there is floating piston described accumulator 4 inside, described floating piston side is hydraulic oil, and opposite side is high pressure gas; Described accumulator 4 and described in each between suspension hydraulic cylinder 2 all by described interconnecting pipes 3 UNICOM, described interconnecting pipes 3 and described hydraulic pressure suspension cylinder 2 junction are equipped with described electro hydraulic valve 7.
Described electro hydraulic valve 7 is bi-bit bi-pass.
In use, when certain wheel of automobile runs into pit, common vehicle suspension is little due to wheel elongation, easily occurs wheel lift, affects ride comfort and the manoevreability of automobile.And adopt the vehicle of embodiment of the present invention hydraulic suspension floating compound suspension frame, under the effect of hydraulic efficiency pressure system fluid pressure, cause pit wheel piston rod to extend, make wheel touch pit bottom, thus ensure that this place's wheel has propulsive effort, improve the crossing ability of vehicle.
When common vehicle travels when rolling domatic, because conventional suspension both sides amount of compression is different, causing both sides wheel weight different, thus causing vehicle body along domatic inclination, easily occurring toppling.Compound suspension frame is due to the existence of hydraulic pressure suspension system, and make the wheel load gap of both sides wheel little, vehicle body basic horizontal, improves resistance to capsizing.When vehicle climbing and descending, hydraulic pressure suspension system can keep vehicle body level of approximation equally, and axle load transfer is little, particularly can improve the grade climbing performance of non-all-wheel drive vehicles.
Automobile is when rough road traveling, and compound suspension frame all under the fluid pressure effect of hydraulic efficiency pressure system, can make the piston rod of corresponding wheel extend or shorten, ensure that each wheel lands, thus guarantee the crossing ability of car load.
When automobile is run at high speed on highway, by closing the locked described hydraulic pressure suspension cylinder 2 of described electro hydraulic valve 7, thus the wheel car of a traditional suspension can be become, ensureing the road-holding property of running at high speed of vehicle.
The topological structure of the embodiment of the present invention by series connection and the lockable property of hydraulic pressure suspension structure, solve the contradiction of traditional suspension crossing ability and high speed; Hydraulic pressure suspension mechanism and common vehicle suspension are installed in series, when both collaborative works, suspension can provide large suspension travel, and makes each wheel have approximate adhesive ability, contributes to the crossing ability improving limit uneven road surface.After described electro hydraulic valve 7 is closed, hydraulic pressure suspension mechanism does not work, and only has conventional suspension work, then can ensure the operational stability of high vehicle speeds.
Beneficial effect of the present invention is: solve the high cross-country crossing ability of vehicle and the paved road contradiction for suspension system characteristic requirements, both the ability of running at high speed on ordinary road road surface had been maintained, greatly can improve again automobile by various hollow road and the ability without area, road and various obstacle, strengthen automobile full region covering power and manoevreability.
Although give one embodiment of the present of invention, it will be understood by those of skill in the art that without departing from the spirit of the invention herein, can change embodiment herein.Above-described embodiment is exemplary, should using embodiment herein as the restriction of interest field of the present invention.
Claims (2)
1. a hydraulic pressure suspension compound suspension, it is characterized in that, comprise conventional suspension, hydraulic pressure suspension cylinder, accumulator, interconnecting pipes, electro hydraulic valve, described hydraulic pressure suspension cylinder quantity is identical with wheel count, described hydraulic pressure suspension cylinder upper end is fixedly connected with car body, lower end is connected with described conventional suspension upper end, conventional suspension lower end is connected with wheel, described accumulator is connected with described interconnecting pipes, there is floating piston described accumulator inside, described floating piston side is hydraulic oil, and opposite side is high pressure gas; Described accumulator and described in each between suspension hydraulic cylinder all by described interconnecting pipes UNICOM, described interconnecting pipes and described hydraulic pressure suspension cylinder junction are equipped with described electro hydraulic valve.
2. a kind of hydraulic pressure suspension compound suspension as described in right 1, is characterized in that, described electro hydraulic valve is bi-bit bi-pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438416.6A CN104999884B (en) | 2015-07-23 | 2015-07-23 | A kind of hydraulic pressure suspension compound suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438416.6A CN104999884B (en) | 2015-07-23 | 2015-07-23 | A kind of hydraulic pressure suspension compound suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104999884A true CN104999884A (en) | 2015-10-28 |
| CN104999884B CN104999884B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510438416.6A Active CN104999884B (en) | 2015-07-23 | 2015-07-23 | A kind of hydraulic pressure suspension compound suspension |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1086556A (en) * | 1963-12-23 | 1967-10-11 | Maschf Augsburg Nuernberg Ag | A pressure distributing system for the wheel suspension of vehicles |
| EP0398804A1 (en) * | 1989-05-18 | 1990-11-22 | Automobiles Peugeot | Semi-active suspension device and motor vehicle equipped with this device |
| JPH0538913A (en) * | 1991-03-04 | 1993-02-19 | Mazda Motor Corp | Suspension device for vehicle |
| CN101238003A (en) * | 2005-03-01 | 2008-08-06 | 凯耐提克控股有限公司 | Hydraulic system for a vehicle suspension |
| CN201456978U (en) * | 2009-06-19 | 2010-05-12 | 胡华泉 | Automotive chassis-lifting mechanism |
| CN201922884U (en) * | 2011-02-28 | 2011-08-10 | 陕西重型汽车有限公司 | Helical spring balancing suspension for multi-axle off-road vehicle |
| CN102673340A (en) * | 2012-06-07 | 2012-09-19 | 中国北方车辆研究所 | Car posture adjusting system of oil-gas suspension |
-
2015
- 2015-07-23 CN CN201510438416.6A patent/CN104999884B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1086556A (en) * | 1963-12-23 | 1967-10-11 | Maschf Augsburg Nuernberg Ag | A pressure distributing system for the wheel suspension of vehicles |
| EP0398804A1 (en) * | 1989-05-18 | 1990-11-22 | Automobiles Peugeot | Semi-active suspension device and motor vehicle equipped with this device |
| JPH0538913A (en) * | 1991-03-04 | 1993-02-19 | Mazda Motor Corp | Suspension device for vehicle |
| CN101238003A (en) * | 2005-03-01 | 2008-08-06 | 凯耐提克控股有限公司 | Hydraulic system for a vehicle suspension |
| CN201456978U (en) * | 2009-06-19 | 2010-05-12 | 胡华泉 | Automotive chassis-lifting mechanism |
| CN201922884U (en) * | 2011-02-28 | 2011-08-10 | 陕西重型汽车有限公司 | Helical spring balancing suspension for multi-axle off-road vehicle |
| CN102673340A (en) * | 2012-06-07 | 2012-09-19 | 中国北方车辆研究所 | Car posture adjusting system of oil-gas suspension |
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| Publication number | Publication date |
|---|---|
| CN104999884B (en) | 2018-11-30 |
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