CN205349893U - Hydro -pneumatic suspension system with synchronous lift and accent appearance function - Google Patents
Hydro -pneumatic suspension system with synchronous lift and accent appearance function Download PDFInfo
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- CN205349893U CN205349893U CN201620023775.5U CN201620023775U CN205349893U CN 205349893 U CN205349893 U CN 205349893U CN 201620023775 U CN201620023775 U CN 201620023775U CN 205349893 U CN205349893 U CN 205349893U
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Abstract
The utility model relates to a hydro -pneumatic suspension system of vehicle especially relates to a hydro -pneumatic suspension system with synchronous lift and accent appearance function, including a double -acting cylinder, the 2nd double -acting cylinder, the 3rd double -acting cylinder, fourth double -acting cylinder, synchronous motor, a one -way throttle valve, tribit cross magenetic exchange valve, motor, the 2nd one -way throttle valve and hydraulic pump. The utility model discloses a synchronous motor and one -way throttle valve, can realize simultaneously that the synchronous of high accuracy goes up and down and the speed governing requirement, four ways double -acting cylinder adopts independent control circuit, independently transfers the appearance function so can realize its four double -acting cylinder, the double -acting cylinder of homonymy is relatively independent in addition, and the double -acting cylinder of both sides is cross -bonding in pairs, makes the wheel of both sides effectively land to it controls inclination to reduce the vehicle.
Description
Technical field
This utility model relates to the hydro-pneumatic suspension system of vehicle, particularly relates to a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function.
Background technology
The suspension of driving vehicle is the vibrational system being made up of sprung mass, non-sprung mass, road surface, tire etc., and the characteristic of system has been largely fixed the ride comfort in vehicle travel process and stability, thus having influence on the service life of each parts.Existing suspension is the most prominent with hydro-pneumatic suspension system advantage, it transmits pressure using fluid, with noble gas (being generally nitrogen) as elastic fluid, realize the nonlinear change of its rigidity by elements such as hydro-pneumatic spring cylinder, accumulator, damped valves.
The hydro-pneumatic suspension system that domestic market has been applied, it is common in engineering truck, military vehicle, for patent of invention " CN102059929 hydro-pneumatic suspension system and there is the wheeled vehicle of this system ", it mainly adopts left/right oil cylinder washability cross-bar interconnection structure, oil gas to arrange the technical schemes such as isolation solenoid valve, although achieving freely converting of suspension rigid and flexible, but have the disadvantage that
1) each oil cylinder oil passage adopts the free flow dividing structure of pipeline, and its overall height lifting synchronicity is poor, and does not possess speed-regulating function；
2) it is connected in parallel with side cylinder employing, do not possess four cylinder independence posture adjustment functions on the one hand, on the other hand when before and after occurring, unbalance loading makes certain cylinder piston rod retraction (or stretching out), cause that another oil cylinder rodless cavity pressure being connected increases (or reduction), rod chamber pressure reduces (or increase), cause its piston rod to stretch out (or retraction), cause that vehicle tilts forward and back angle and becomes big further.
3) adopting the internal hanging oil cylinder being provided with fixing damping choke valve in prior art, not only structure is complicated, and processing cost is high, and damping simultaneously can not regulate for different operating modes.
Utility model content
For overcoming above-mentioned the deficiencies in the prior art, this utility model provides a kind of simple in construction, and what be effectively reduced inclination of vehicle has synchronization lifting and the hydro-pneumatic suspension system of posture adjustment function.
The technical scheme realizing this utility model purpose is: a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function, including the first two-way cylinder, second two-way cylinder, 3rd two-way cylinder, 4th two-way cylinder, syncmotor, first one-way throttle valve, three-position four-way electromagnetic directional valve, motor, second one-way throttle valve and hydraulic pump, hydraulic pump is connected with fuel tank, driven by motor hydraulic pump rotates, second one-way throttle valve is connected with hydraulic pump, three-position four-way electromagnetic directional valve is arranged between the second one-way throttle valve and the first one-way throttle valve, the forward oil-out of the first one-way throttle valve by syncmotor respectively with the rodless cavity of the first two-way cylinder, the rodless cavity of the second two-way cylinder, the rodless cavity of the rodless cavity of the 3rd two-way cylinder and the 4th two-way cylinder connects, the reverse oil-out of the first one-way throttle valve respectively with the rod chamber of the first two-way cylinder, the rod chamber of the second two-way cylinder, the rod chamber of the 3rd two-way cylinder and the rod chamber of the 4th two-way cylinder connect.
As prioritization scheme of the present utility model, the first Solenoid ball valve it is serially connected with between the rodless cavity of syncmotor and the first two-way cylinder, the second Solenoid ball valve it is serially connected with between the rodless cavity of syncmotor and the second two-way cylinder, it is serially connected with the 3rd Solenoid ball valve between the rodless cavity of syncmotor and the 3rd two-way cylinder, it is serially connected with the 4th Solenoid ball valve between the rodless cavity of syncmotor and the 4th two-way cylinder, it is serially connected with the 5th Solenoid ball valve between reverse oil-out and the rod chamber of the first two-way cylinder of the first one-way throttle valve, it is serially connected with the 6th Solenoid ball valve between reverse oil-out and the rod chamber of the second two-way cylinder of the first one-way throttle valve, it is serially connected with the 7th Solenoid ball valve between reverse oil-out and the rod chamber of the 3rd two-way cylinder of the first one-way throttle valve, it is serially connected with the 8th Solenoid ball valve between reverse oil-out and the rod chamber of the 4th two-way cylinder of the first one-way throttle valve.
As prioritization scheme of the present utility model, it is serially connected with the first electromagnetism on-off valve between rod chamber and the rodless cavity of the second two-way cylinder of the first two-way cylinder, between rod chamber and the rodless cavity of the 4th two-way cylinder of the 3rd two-way cylinder, is serially connected with the second electromagnetism on-off valve.
As prioritization scheme of the present utility model, the hydro-pneumatic suspension system with synchronization lifting and posture adjustment function also includes the 9th Solenoid ball valve, first amortisseur, first accumulator, tenth Solenoid ball valve, second amortisseur, second accumulator, 11st Solenoid ball valve, 3rd amortisseur, 3rd accumulator, 12nd Solenoid ball valve, 4th amortisseur and the 4th accumulator, one end of 9th Solenoid ball valve is connected with the rodless cavity of the first two-way cylinder, the other end of the 9th Solenoid ball valve and the first amortisseur connect, first accumulator and the first amortisseur connect, one end of tenth Solenoid ball valve is connected with the rodless cavity of the second two-way cylinder, the other end of the tenth Solenoid ball valve and the second amortisseur connect, second accumulator and the second amortisseur connect, one end of 11st Solenoid ball valve is connected with the rodless cavity of the 3rd two-way cylinder, the other end of the 11st Solenoid ball valve and the 3rd amortisseur connect, 3rd accumulator and the 3rd amortisseur connect, one end of 12nd Solenoid ball valve is connected with the rodless cavity of the 4th two-way cylinder, the other end of the 12nd Solenoid ball valve and the 4th amortisseur connect, 4th accumulator and the 4th amortisseur connect.
As prioritization scheme of the present utility model, between hydraulic pump and fuel tank, it is provided with the filter for filtering fluid.
As prioritization scheme of the present utility model, between three-position four-way electromagnetic directional valve and the second one-way throttle valve, it is provided with the overflow valve for detecting the hydro-pneumatic suspension system pressure with synchronization lifting and posture adjustment function.
As prioritization scheme of the present utility model, between three-position four-way electromagnetic directional valve and the first one-way throttle valve, it is provided with the balanced valve regulating fluid flow equilibrium.
This utility model has positive effect: 1) this utility model have employed syncmotor and one-way throttle valve, can realize high-precision synchronization lifting and speed governing requirement simultaneously；
2) four road two-way cylinders adopt independent control loop, so its four two-way cylinder independence posture adjustment functions can be realized；Additionally the two-way cylinder of homonymy is relatively independent, the two-way cylinder of both sides is cross interconnected in pairs, when wherein certain two-way cylinder piston rod retraction (or stretching out), cause that another two-way cylinder rod chamber pressure being connected increases (or reduction), another two-way cylinder rodless cavity pressure reduces (or increase), cause its piston rod to be retracted (or stretching out), make the wheel of both sides effectively land, and reduce left and right vehicle wheel angle of inclination.
3) amortisseur adopting scalable damping coordinates common two-way cylinder, it is possible to need the adjustment carrying out damping for different operating modes.
Accompanying drawing explanation
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and in conjunction with accompanying drawing, this utility model is described in further detail:
Fig. 1 is structure chart of the present utility model.
Wherein: 1, first two-way cylinder, 2, second two-way cylinder, 3, 3rd two-way cylinder, 4, 4th two-way cylinder, 5, syncmotor, 6, first one-way throttle valve, 7, three-position four-way electromagnetic directional valve, 8, motor, 9, second one-way throttle valve, 10, hydraulic pump, 11, fuel tank, 12, first Solenoid ball valve, 13, second Solenoid ball valve, 14, 3rd Solenoid ball valve, 15, 4th Solenoid ball valve, 16, 5th Solenoid ball valve, 17, 6th Solenoid ball valve, 18, 7th Solenoid ball valve, 19, 8th Solenoid ball valve, 20, first electromagnetism on-off valve, 21, second electromagnetism on-off valve, 22, 9th Solenoid ball valve, 23, first amortisseur, 24, first accumulator, 25, tenth Solenoid ball valve, 26, second amortisseur, 27, second accumulator, 28, 11st Solenoid ball valve, 29, 3rd amortisseur, 30, 3rd accumulator, 31, 12nd Solenoid ball valve, 32, 4th amortisseur, 33, 4th accumulator, 34, filter, 35, overflow valve, 36, balanced valve.
Detailed description of the invention
As it is shown in figure 1, the utility model discloses a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function, including the first two-way cylinder 1, second two-way cylinder 2, 3rd two-way cylinder 3, 4th two-way cylinder 4, syncmotor 5, first one-way throttle valve 6, three-position four-way electromagnetic directional valve 7, motor 8, second one-way throttle valve 9 and hydraulic pump 10, hydraulic pump 10 is connected with fuel tank 11, motor 8 drives hydraulic pump 10 to rotate, second one-way throttle valve 9 is connected with hydraulic pump 10, three-position four-way electromagnetic directional valve 7 is arranged between the second one-way throttle valve 9 and the first one-way throttle valve 6, the forward oil-out of the first one-way throttle valve 6 by syncmotor 5 respectively with the rodless cavity of the first two-way cylinder 1, the rodless cavity of the second two-way cylinder 2, the rodless cavity of the rodless cavity of the 3rd two-way cylinder 3 and the 4th two-way cylinder 4 connects, the reverse oil-out of the first one-way throttle valve 6 respectively with the rod chamber of the first two-way cylinder 1, the rod chamber of the second two-way cylinder 2, the rod chamber of the 3rd two-way cylinder 3 and the rod chamber of the 4th two-way cylinder 4 connect.
Wherein, it is serially connected with the first Solenoid ball valve 12 between syncmotor 5 and the rodless cavity of the first two-way cylinder 1, it is serially connected with the second Solenoid ball valve 13 between syncmotor 5 and the rodless cavity of the second two-way cylinder 2, it is serially connected with the 3rd Solenoid ball valve 14 between syncmotor 5 and the rodless cavity of the 3rd two-way cylinder 3, it is serially connected with the 4th Solenoid ball valve 15 between syncmotor 5 and the rodless cavity of the 4th two-way cylinder 4, it is serially connected with the 5th Solenoid ball valve 16 between reverse oil-out and the rod chamber of the first two-way cylinder 1 of the first one-way throttle valve 6, it is serially connected with the 6th Solenoid ball valve 17 between reverse oil-out and the rod chamber of the second two-way cylinder 2 of the first one-way throttle valve 6, it is serially connected with the 7th Solenoid ball valve 18 between reverse oil-out and the rod chamber of the 3rd two-way cylinder 3 of the first one-way throttle valve 6, it is serially connected with the 8th Solenoid ball valve 19 between reverse oil-out and the rod chamber of the 4th two-way cylinder 4 of the first one-way throttle valve 6.
It is serially connected with the first electromagnetism on-off valve 20 between rod chamber and the rodless cavity of the second two-way cylinder 2 of the first two-way cylinder 1, between rod chamber and the rodless cavity of the 4th two-way cylinder 4 of the 3rd two-way cylinder 3, is serially connected with the second electromagnetism on-off valve 21.
The hydro-pneumatic suspension system with synchronization lifting and posture adjustment function also includes the 9th Solenoid ball valve 22, first amortisseur 23, first accumulator 24, tenth Solenoid ball valve 25, second amortisseur 26, second accumulator 27, 11st Solenoid ball valve 28, 3rd amortisseur 29, 3rd accumulator 30, 12nd Solenoid ball valve 31, 4th amortisseur 32 and the 4th accumulator 33, one end of 9th Solenoid ball valve 22 is connected with the rodless cavity of the first two-way cylinder 1, the other end and first amortisseur 23 of the 9th Solenoid ball valve 22 connect, first accumulator 24 is connected with the first amortisseur 23, one end of tenth Solenoid ball valve 25 is connected with the rodless cavity of the second two-way cylinder 2, the other end and second amortisseur 26 of the tenth Solenoid ball valve 25 connect, second accumulator 27 is connected with the second amortisseur 26, one end of 11st Solenoid ball valve 28 is connected with the rodless cavity of the 3rd two-way cylinder 3, the other end and the 3rd amortisseur 29 of the 11st Solenoid ball valve 28 connect, 3rd accumulator 30 is connected with the 3rd amortisseur 29, one end of 12nd Solenoid ball valve 31 is connected with the rodless cavity of the 4th two-way cylinder 4, the other end and the 4th amortisseur 32 of the 12nd Solenoid ball valve 31 connect, 4th accumulator 33 is connected with the 4th amortisseur 32.The filter 34 for filtering fluid it is provided with between hydraulic pump 10 and fuel tank 11.It is provided with the overflow valve 35 for detecting the hydro-pneumatic suspension system pressure with synchronization lifting and posture adjustment function between three-position four-way electromagnetic directional valve 7 and the second one-way throttle valve 9, between three-position four-way electromagnetic directional valve 7 and the first one-way throttle valve 6, is provided with the balanced valve 36 regulating fluid flow equilibrium.
Lifting posture adjustment: when motor 8 is energized, hydraulic pump 10 is driven to rotate, make fluid from fuel tank 11 after filter 34 filters, enter hydraulic pump 10, thus exporting hydraulic oil, then through the second one-way throttle valve 9, flow into three-position four-way electromagnetic directional valve 7, three-position four-way electromagnetic directional valve 7 changes to left position, hydraulic oil is through balanced valve 38 and the first one-way throttle valve 6 speed governing, syncmotor 5 taps, now the first Solenoid ball valve 12, second Solenoid ball valve 13, 3rd Solenoid ball valve 14, 4th Solenoid ball valve 15 obtains electric logical oil, hydraulic oil enters the rodless cavity of the first two-way cylinder 1, the rodless cavity of the second two-way cylinder 2, the rodless cavity of the 3rd two-way cylinder 3 and the rodless cavity of the 4th two-way cylinder 4, make the first two-way cylinder 1, second two-way cylinder 2, 3rd two-way cylinder 3, 4th two-way cylinder 4 completes jacking work.In like manner, when three-position four-way electromagnetic directional valve 7 reverse electric time, the first two-way cylinder 1, the second two-way cylinder the 2, the 3rd two-way cylinder 3, the piston rod of the 4th two-way cylinder 4 shrinks.Can realize independence or the synchronization telescope of each two-way cylinder by controlling the break-make of each oil circuit Solenoid ball valve, wherein overflow valve 35 uses as relief valve, the maximum pressure of restriction system, when system pressure is too high, forms overflow.
Bumper and absorbing shock: when the first Solenoid ball valve 12, second Solenoid ball valve 13, 3rd Solenoid ball valve 14, 4th Solenoid ball valve 15, 5th Solenoid ball valve 16, 6th Solenoid ball valve 17, 7th Solenoid ball valve 18, during the 8th Solenoid ball valve 19 dead electricity, 9th Solenoid ball valve 22, tenth Solenoid ball valve 25, 11st Solenoid ball valve 28, when 12nd Solenoid ball valve 31 obtains electric, now the 9th Solenoid ball valve 22, first amortisseur 23, first accumulator 24 forms a closed system, when there is vibration because of outer load change in the first two-way cylinder 1, extruding oil pocket produces high pressure, hydraulic oil is flowed into the first accumulator 24 through the first amortisseur 23, cushioning effect is played by the gas stored in the first accumulator 24, when extruding terminates retraction, this chamber forms low pressure, fluid flows out from the first accumulator 24 and flows back to the first two-way cylinder 1 through the first amortisseur 23, so, constantly flowed back and forth between the first two-way cylinder 1 and the first accumulator 24 by fluid, again by the damping action of the first amortisseur 23, realize the bumper and absorbing shock function with the hydro-pneumatic suspension system of synchronization lifting and posture adjustment function, tenth Solenoid ball valve 25, second amortisseur 26 and the second accumulator 27, 11st Solenoid ball valve 28, 3rd amortisseur 29 and the 3rd accumulator 30, 12nd Solenoid ball valve 31, 4th amortisseur 32, with the 4th accumulator 33 and the 9th Solenoid ball valve 22, first amortisseur 23 is similar with the operation principle of the first accumulator 24.
Steadily land and automatic leveling: when the first electromagnetism on-off valve 20 and the second electromagnetism on-off valve 21 obtain electric, first electromagnetism on-off valve 20 and the second logical oil of electromagnetism on-off valve 21, now, first two-way cylinder 1 and the second two-way cylinder 2 (symmetrical) partner, 3rd two-way cylinder 3 and the 4th two-way cylinder 4 partner, and form cross interconnected mode (oil cylinder rodless cavity connects another cylinder rod chamber).When the piston rod of the first two-way cylinder 1 bounces back (or stretching out), cause that the second two-way cylinder 2 rod chamber pressure being connected increases (or reduction), the rodless cavity pressure of the second two-way cylinder 2 reduces (or increase), the piston rod causing the second two-way cylinder 2 retracts (or stretching out), make both sides wheel effectively land, and reduce left and right vehicle wheel angle of inclination.
Particular embodiments described above; the purpose of this utility model, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (7)
1. a hydro-pneumatic suspension system with synchronization lifting and posture adjustment function, it is characterized in that: include the first two-way cylinder (1), second two-way cylinder (2), 3rd two-way cylinder (3), 4th two-way cylinder (4), syncmotor (5), first one-way throttle valve (6), three-position four-way electromagnetic directional valve (7), motor (8), second one-way throttle valve (9) and hydraulic pump (10), described hydraulic pump (10) is connected with fuel tank (11), described motor (8) drives hydraulic pump (10) to rotate, described the second one-way throttle valve (9) is connected with hydraulic pump (10), described three-position four-way electromagnetic directional valve (7) is arranged between the second one-way throttle valve (9) and the first one-way throttle valve (6), the forward oil-out of the first one-way throttle valve (6) by syncmotor (5) respectively with the rodless cavity of the first two-way cylinder (1), the rodless cavity of the second two-way cylinder (2), the rodless cavity of the 3rd two-way cylinder (3) and the rodless cavity of the 4th two-way cylinder (4) connect, the reverse oil-out of the first one-way throttle valve (6) respectively with the rod chamber of the first two-way cylinder (1), the rod chamber of the second two-way cylinder (2), the rod chamber of the 3rd two-way cylinder (3) and the rod chamber of the 4th two-way cylinder (4) connect.
2. a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function according to claim 1, it is characterized in that: between described syncmotor (5) and the rodless cavity of the first two-way cylinder (1), be serially connected with the first Solenoid ball valve (12), it is serially connected with the second Solenoid ball valve (13) between described syncmotor (5) and the rodless cavity of the second two-way cylinder (2), it is serially connected with the 3rd Solenoid ball valve (14) between described syncmotor (5) and the rodless cavity of the 3rd two-way cylinder (3), it is serially connected with the 4th Solenoid ball valve (15) between described syncmotor (5) and the rodless cavity of the 4th two-way cylinder (4), it is serially connected with the 5th Solenoid ball valve (16) between reverse oil-out and the rod chamber of the first two-way cylinder (1) of the first one-way throttle valve (6), it is serially connected with the 6th Solenoid ball valve (17) between reverse oil-out and the rod chamber of the second two-way cylinder (2) of the first one-way throttle valve (6), it is serially connected with the 7th Solenoid ball valve (18) between reverse oil-out and the rod chamber of the 3rd two-way cylinder (3) of the first one-way throttle valve (6), it is serially connected with the 8th Solenoid ball valve (19) between reverse oil-out and the rod chamber of the 4th two-way cylinder (4) of the first one-way throttle valve (6).
3. a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function according to claim 2, it is characterized in that: be serially connected with the first electromagnetism on-off valve (20) between rod chamber and the rodless cavity of the second two-way cylinder (2) of the first two-way cylinder (1), between rod chamber and the rodless cavity of the 4th two-way cylinder (4) of the 3rd described two-way cylinder (3), be serially connected with the second electromagnetism on-off valve (21).
4. a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function according to claim 2, it is characterized in that: described in there is the hydro-pneumatic suspension system of synchronization lifting and posture adjustment function also include the 9th Solenoid ball valve (22), first amortisseur (23), first accumulator (24), tenth Solenoid ball valve (25), second amortisseur (26), second accumulator (27), 11st Solenoid ball valve (28), 3rd amortisseur (29), 3rd accumulator (30), 12nd Solenoid ball valve (31), 4th amortisseur (32) and the 4th accumulator (33), one end of 9th Solenoid ball valve (22) is connected with the rodless cavity of the first two-way cylinder (1), the other end of the 9th Solenoid ball valve (22) and the first amortisseur (23) connect, described the first accumulator (24) is connected with the first amortisseur (23), one end of tenth Solenoid ball valve (25) is connected with the rodless cavity of the second two-way cylinder (2), the other end of the tenth Solenoid ball valve (25) and the second amortisseur (26) connect, described the second accumulator (27) is connected with the second amortisseur (26), one end of 11st Solenoid ball valve (28) is connected with the rodless cavity of the 3rd two-way cylinder (3), the other end of the 11st Solenoid ball valve (28) and the 3rd amortisseur (29) connect, the 3rd described accumulator (30) is connected with the 3rd amortisseur (29), one end of 12nd Solenoid ball valve (31) is connected with the rodless cavity of the 4th two-way cylinder (4), the other end of the 12nd Solenoid ball valve (31) and the 4th amortisseur (32) connect, the 4th described accumulator (33) is connected with the 4th amortisseur (32).
5. a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function according to claim 1, it is characterised in that: it is provided with the filter (34) for filtering fluid between described hydraulic pump (10) and fuel tank (11).
6. a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function according to claim 1, it is characterised in that: it is provided with the overflow valve (35) for detecting the hydro-pneumatic suspension system pressure with synchronization lifting and posture adjustment function between described three-position four-way electromagnetic directional valve (7) and the second one-way throttle valve (9).
7. a kind of hydro-pneumatic suspension system with synchronization lifting and posture adjustment function according to claim 1, it is characterised in that: it is provided with the balanced valve (36) regulating fluid flow equilibrium between described three-position four-way electromagnetic directional valve (7) and the first one-way throttle valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023775.5U CN205349893U (en) | 2016-01-11 | 2016-01-11 | Hydro -pneumatic suspension system with synchronous lift and accent appearance function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620023775.5U CN205349893U (en) | 2016-01-11 | 2016-01-11 | Hydro -pneumatic suspension system with synchronous lift and accent appearance function |
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| Publication Number | Publication Date |
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| CN205349893U true CN205349893U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620023775.5U Expired - Fee Related CN205349893U (en) | 2016-01-11 | 2016-01-11 | Hydro -pneumatic suspension system with synchronous lift and accent appearance function |
Country Status (1)
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| CN (1) | CN205349893U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321533A (en) * | 2016-08-30 | 2017-01-11 | 宁波中意液压马达有限公司 | Hydraulic driving system provided with parallel motors |
| CN107116986A (en) * | 2017-05-03 | 2017-09-01 | 北京航天发射技术研究所 | A kind of big stroke adjustment system of bodywork height for multi-axle heavy type vehicle |
| CN108995498A (en) * | 2018-09-07 | 2018-12-14 | 陕西中航气弹簧有限责任公司 | It is a kind of for adjusting the elastic system and method for bodywork height |
| CN109812470A (en) * | 2019-03-29 | 2019-05-28 | 中铁工程装备集团有限公司 | Mating trailer wheels are to hydraulic control system after a kind of shield machine |
| CN110541861A (en) * | 2018-05-29 | 2019-12-06 | Fsp流动系统合伙控股股份公司 | Hydraulic system, hydraulic unit, vehicle, method and use |
| CN111070990A (en) * | 2018-10-18 | 2020-04-28 | 湖北火鑫消防车辆装备有限公司 | Vehicle body active lifting balance system |
| CN113944659A (en) * | 2021-10-29 | 2022-01-18 | 重庆零壹空间科技集团有限公司 | Rocket erecting hydraulic system adopting energy accumulator for assisting oil supplement and auxiliary erecting method |
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2016
- 2016-01-11 CN CN201620023775.5U patent/CN205349893U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321533A (en) * | 2016-08-30 | 2017-01-11 | 宁波中意液压马达有限公司 | Hydraulic driving system provided with parallel motors |
| CN107116986A (en) * | 2017-05-03 | 2017-09-01 | 北京航天发射技术研究所 | A kind of big stroke adjustment system of bodywork height for multi-axle heavy type vehicle |
| CN107116986B (en) * | 2017-05-03 | 2019-08-30 | 北京航天发射技术研究所 | A kind of big stroke adjustment system of bodywork height for multi-axle heavy type vehicle |
| CN110541861A (en) * | 2018-05-29 | 2019-12-06 | Fsp流动系统合伙控股股份公司 | Hydraulic system, hydraulic unit, vehicle, method and use |
| CN108995498A (en) * | 2018-09-07 | 2018-12-14 | 陕西中航气弹簧有限责任公司 | It is a kind of for adjusting the elastic system and method for bodywork height |
| CN108995498B (en) * | 2018-09-07 | 2024-01-23 | 陕西中航气弹簧有限责任公司 | Elastic system and method for adjusting height of vehicle body |
| CN111070990A (en) * | 2018-10-18 | 2020-04-28 | 湖北火鑫消防车辆装备有限公司 | Vehicle body active lifting balance system |
| CN109812470A (en) * | 2019-03-29 | 2019-05-28 | 中铁工程装备集团有限公司 | Mating trailer wheels are to hydraulic control system after a kind of shield machine |
| CN109812470B (en) * | 2019-03-29 | 2024-01-19 | 中铁工程装备集团有限公司 | Hydraulic control system for rear matched trailer wheel pair of shield tunneling machine |
| CN113944659A (en) * | 2021-10-29 | 2022-01-18 | 重庆零壹空间科技集团有限公司 | Rocket erecting hydraulic system adopting energy accumulator for assisting oil supplement and auxiliary erecting method |
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Granted publication date: 20160629 Termination date: 20190111 |