CN2663187Y - Hydraulic vehicle torsion eliminating suspension gear - Google Patents
Hydraulic vehicle torsion eliminating suspension gear Download PDFInfo
- Publication number
- CN2663187Y CN2663187Y CN 200320112911 CN200320112911U CN2663187Y CN 2663187 Y CN2663187 Y CN 2663187Y CN 200320112911 CN200320112911 CN 200320112911 CN 200320112911 U CN200320112911 U CN 200320112911U CN 2663187 Y CN2663187 Y CN 2663187Y
- Authority
- CN
- China
- Prior art keywords
- chamber
- hydro
- hydraulic
- piston
- suspension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to a hydraulic turn-elimination suspension device being able to eliminate the turning load of the vehicle, which is formed by closed communicating a hydraulic cylinder arranged on the wheel suspensions with a four-cavity hydraulic pressure balancer consisting of a piston and a cylinder body through a pipe line, namely, a left-front, a right-back, a left-back and a right-front suspension hydraulic pressure cylinders(8),(11),(10) and(9) are orderly communicated with the four cavities(4),(5),(6) and(7) of the four-cavity hydraulic pressure balancer; and the four cavities of the four-cavity hydraulic pressure balancer is distributed according to the following hydraulic pressure conjunction structure: when the piston moves right, the cavities(4) and(5) are decompressed at the same time, while the cavities(6) and(7) are simultaneously increased pressure; when the piston moves left, the cavities(6) and(7) are decompressed at the same time, while the cavities(4) and(5) are simultaneously increased pressure. Promising an even load of the four wheels, when the vehicle is running on the non-smooth road surfaces, the utility model has perfect road adaptability and a grounding ability, reducing the turning load of the vehicle and improving the travel capability and the ride comfort.
Description
Technical field
The utility model relates to the draft hitch of wheeled car, particularly a kind of torsion dissipating hanging frame device of eliminating the vehicle body torque load.
Background technology
At present, the hydraulic suspension of four-wheel wheeled car, each is taken turns between hydraulic actuating cylinder all is independently, when vehicle travels on uneven road surface, vehicle body and vehicle frame will be subjected to very big torque load, cause the uneven distribution of each wheel load simultaneously, thereby adhesive ability and crossing ability between wheel and ground have been reduced, and ground is in the face of the asymmetric disturbance of vehicle, and the vibration in the time of also can aggravating vehicle and travel on uneven road surface reduces the ride comfort of vehicle '.
Summary of the invention
The purpose of this utility model provides a kind of new type hydraulic formula vehicle torsion dissipating hanging frame device, adopt this device to make and in the uneven road surface driving, effectively eliminate the suffered torque load of vehicle body, to fill the above-mentioned shortcoming that the present vehicle suspension of clothes exists, improve the stationarity and the crossing ability of vehicle operation life-span and driving.
With reference to Fig. 1, the utility model is that the hydraulic actuating cylinder that will be separately positioned on each wheel suspension forms by pipeline and the four chamber hydro-cushion device closed communicatings of being made up of piston and cylinder body, that is: left front, right back, left back, right front suspension hydraulic actuating cylinder 8,11,10,9 is connected with 4,5,6,7 four chambers of four chamber hydro-cushion devices successively; Four chambers of its four chambeies hydro-cushion device are followed following hydraulic pressure correlation structure distribution: when piston moved to right, chamber 4,5 reduced pressure simultaneously, chamber 6,7 superchargings simultaneously; When piston moved to left, chamber 6,7 reduced pressure simultaneously, chamber 4,5 superchargings simultaneously.
The novel draft hitch of the utility model is by the effect of four chamber hydro-cushion devices, can eliminate in the road excitation turning round the influence of component, make the four-wheel load comparatively even, thereby when having guaranteed that vehicle travels on uneven road surface, have fair running road surface comformability and ground connection property, alleviate inhomogeneous caused vehicle body torque load simultaneously, improve the riding comfort and the crossing ability of vehicle because wheel is loaded.
Description of drawings
Fig. 1 is a torsion dissipating hanging frame apparatus system scheme drawing;
Fig. 2 12 takes turns the torsion dissipating hanging frame apparatus system scheme drawing of automobile;
Fig. 3 is the another kind of structural representation of four chamber hydro-cushion devices of torsion dissipating hanging frame device;
Fig. 4 is with the torsion dissipating hanging frame device scheme drawing of oil-gas dividing hydro-pneumatic spring as the wheel suspension hydraulic actuating cylinder:
Fig. 5 be with oil gas not the cellular-type hydro-pneumatic spring as the torsion dissipating hanging frame device scheme drawing of wheel suspension hydraulic actuating cylinder.
The specific embodiment
The embodiment that provides below in conjunction with accompanying drawing is further elaborated the structure of the utility model.
With reference to Fig. 1, a kind of hydraulic vehicle torsion dissipating hanging frame device, be that the hydraulic actuating cylinder that will be separately positioned on each wheel suspension forms by pipeline and the four chamber hydro-cushion device closed communicatings of being made up of piston and cylinder body, that is: left front, right back, left back, right front suspension hydraulic actuating cylinder 8,11,10,9 is connected with 4,5,6,7 four chambers of four chamber hydro-cushion devices successively; Four chambers of its four chambeies hydro-cushion device are followed following hydraulic pressure correlation structure distribution: when piston moved to right, chamber 4,5 reduced pressure simultaneously, chamber 6,7 superchargings simultaneously; When piston moved to left, chamber 6,7 reduced pressure simultaneously, chamber 4,5 superchargings simultaneously.
Be provided with two intervals 1.1,1.2 in the cylinder body 1 of described four chamber hydro-cushion devices, piston rod 3 is placed through on two intervals 1.1,1.2, and piston rod 3 middle parts are provided with piston 2 and 1.1,1.2 cylinder body 1 inner chamber are partitioned into four chambers 4,5,6,7 at interval.
For multi-wheeled vehicle, be that the hydraulic actuating cylinder with all wheel suspensions is divided into left front, left back, right front, right back four groups, hydraulic actuating cylinder is connected in parallel on the same pipeline and is connected with the corresponding chamber of four chamber hydro-cushion devices in every group.As shown in Figure 2, be with 12 take turns on 12 wheel suspensions of automobile hydraulic actuating cylinder by the left side first three, back three, the right side first three, the back three is divided into four groups, hydraulic actuating cylinder is connected in parallel on the same pipeline in each group, and left front, right back, left back, right front hydraulic actuating cylinder group 8,11,10,9 is connected with 4,5,6,7 four chambers of four chamber hydro-cushion devices successively.
With reference to Fig. 3, be the another kind of version of four chamber hydro-cushion devices, the cylinder body 1 of four chamber hydro-cushion devices ' in be provided with an interval 1.3, piston rod 3 ' be placed through cylinder body 1 ' on, piston rod 3 ' be provided with two pistons 12,13 to place 1.3 both sides at interval is partitioned into four chambers 4,5,6,7 with cylinder body 1 ' inner chamber.
The principle of work of the utility model torsion dissipating hanging frame device:
1. the decomposition of road roughness input.
Arbitrarily uneven road surface can be decomposed into the vertical displacement q at vehicle body center to the vertical input of automobile four-wheel, and body roll , vehicle body trim θ and vehicle body reverse four components of τ.For the diaxon vehicle, the corresponding road roughness of its four-wheel is input as: q
i(i=1,2,3,4,1 one off front wheel, 2 one the near front wheels, 3 one left rear wheels, 4 one off hind wheels).It is carried out conversion, can get:
Wherein, B
1, B
2Be the front and rear wheel distance, L is a wheelbase; Q is the vertical input component in road surface, the m of unit; is road surface inclination input component, the rad of unit; θ is road surface pitching input component, the rad of unit; τ is that the road surface is to turning round the input component, the rad/m of unit.
2. the work under the input of different road surfaces
A) (q when wheel is subjected to the input of ground-surface vertical deviation
i=q, i=1,2,3,4), four wheels move up, move on the piston in each suspension clutch release slave cylinder, the fluid pressure in clutch release slave cylinder and cooresponding adjusting chamber thereof is increased, thereby left back, right front suspension produces left additional thrust to the piston of hydraulic control system, left front, right rear suspension produces to the right additional thrust to the piston of hydraulic control system.Because the subsidiary load of (back) suspension is cancelled each other before left and right two, the piston of hydraulic control system is in the force balance state, does not have and moves.That is, under this operating mode, novel suspension system is equivalent to conventional suspension system.
B) (q when wheel is subjected to the input of road surface side inclination angle
1=-0.5B
1, q
2=0.5B
1, q
3=0.5B
2, q
4=-0.5B
2), left side two wheels move up, and right side two wheels move down, and are corresponding, the chamber supercharging that links to each other with the left side suspension, the chamber depressurization that links to each other with the right side suspension.That is, from left to right, the increase and decrease pressure condition of four chambers of hydraulic control system is: supercharging, decompression, supercharging, decompression.Two equilibrium of pressures of piston ring and piston in the compensating cylinder, compensating cylinder is failure to actuate, and the conventional suspension performance of turning round compensating cylinder of disappearing is identical with not adding.
C) when wheel is subjected to road surface pitch angle input: (q
1=-0.5L θ, q
2=-0.5L θ, q
3=0.5L θ q
4=0.5L θ), two front-wheels move down, and trailing wheel moves up, and is corresponding, the chamber depressurization that links to each other with front suspension, the chamber supercharging that links to each other with rear suspension.That is, from left to right, the increase and decrease pressure condition of four chambers of hydraulic control system is: supercharging, decompression, decompression, supercharging.Because the subsidiary load of (back) suspension is cancelled each other before left and right two, so the piston of hydraulic control system is in the force balance state, does not have and move, this moment, novel suspension system was equivalent to conventional suspension.
D) be subjected to the road surface to turning round when input when wheel: (q
1=0.25B
1L τ q
2=-0.25B
1L τ q
3=0.25B
2L τ q
4=-0.25B
2L τ), rear wheel moves up, and left front, right rear wheel moves down, and is corresponding, with the chamber supercharging right front, that left rear suspension links to each other, with the chamber depressurization left front, that right rear suspension links to each other.That is, from left to right, the increase and decrease pressure condition of four chambers of hydraulic control system is: supercharging, supercharging, decompression, decompression.Each suspension acts on the subsidiary load direction unanimity of hydraulic control system piston, the piston that promotes hydraulic control system moves right, pressure until each chamber and each suspension clutch release slave cylinder inner chamber returns to normal (two the chamber pressure that link to each other with preceding (back) suspension equate), thus eliminated the road surface to turn round that input causes to the torque load of vehicle frame and reduced respectively to take turns load variations.
In sum, the novel draft hitch of the utility model is the effect by the flat Heng device of four chamber hydraulic pressure, can eliminate the road and in encouraging to turning round the influence of component, make the four-wheel load comparatively even, thereby guaranteed that vehicle is on uneven road surface during left alone without help sailing, have fair running road surface comformability and ground connection property, alleviate inhomogeneous caused vehicle body torque load simultaneously, improve the riding comfort and the crossing ability of vehicle because wheel is loaded.
The hydro-cushion device is four chamber piston types, and it links to each other to eliminate the torque load of the different vehicle bodies that cause of left and right wheels load with all suspensions.Fig. 1 and 2 is a single-piston, floating-caliper brake formula hydro-cushion device, and its fluid reservoir self is divided into three chambers, and chamber is divided into two chambers by piston ring in the middle of it.Fig. 3 is a dual Piston hydro-cushion device, and its fluid reservoir self is divided into two chambers, and each chamber is divided into two chambers by piston ring respectively again.Dual Piston hydro-cushion device and single-piston, floating-caliper brake formula hydro-cushion device difference are that the two ends piston rod stretches out outside the fluid reservoir, the normal position of control plunger when the system of being convenient to refuels.
As shown in Figure 4, can adopt the hydraulic actuating cylinder of oil-gas dividing hydro-pneumatic spring, promptly directly the corresponding chambers of hydro-pneumatic spring clutch release slave cylinder inner chamber with four chamber hydro-cushion devices is communicated with by pipeline as described each wheel suspension.
As shown in Figure 5, also can adopt oil gas not the cellular-type hydro-pneumatic spring as the hydraulic actuating cylinder of described each wheel suspension, for avoiding gas to enter described four chamber hydro-cushion devices, the petrol storage tank 13 of on suspension hydraulic actuating cylinder and pipeline that four chamber hydro-cushion devices are connected, also connecting, the upper end that is petrol storage tank 13 is connected with the suspension hydraulic actuating cylinder, and its lower end is connected with the chamber of four chamber hydro-cushion devices.
Claims (5)
1. hydraulic vehicle torsion dissipating hanging frame device, the hydraulic actuating cylinder that it is characterized in that being separately positioned on each wheel suspension forms by pipeline and the four chamber hydro-cushion device closed communicatings of being made up of piston and cylinder body, that is: left front, right back, left back, right front suspension hydraulic actuating cylinder (8), (11), (10), (9) are connected with (4), (5), (6), (7) four chambers of four chamber hydro-cushion devices successively; Four chambers of its four chambeies hydro-cushion device are followed following hydraulic pressure correlation structure distribution: when piston moves to right, reduce pressure simultaneously in chamber (4), (5), chamber (6), (7) supercharging simultaneously; When piston moves to left, reduce pressure simultaneously in chamber (6), (7), chamber (4), (5) supercharging simultaneously.
2. a kind of hydraulic vehicle torsion dissipating hanging frame device according to claim 1, it is characterized in that being provided with two intervals (1.1), (1.2) in the cylinder body (1) of described four chamber hydro-cushion devices, piston rod (3) is placed through on two intervals (1.1), (1.2), and piston rod (3) middle part is provided with piston (2) and (1.1), (1.2) are partitioned into four chambers (4), (5), (6), (7) with cylinder body (1) inner chamber at interval.
3. a kind of hydraulic vehicle torsion dissipating hanging frame dress according to claim 1 is blue or green, it is characterized in that being provided with an interval (1.3) in the cylinder body (1 ') of described four chamber hydro-cushion devices, piston rod (3 ') is placed through on the cylinder body (1 '), piston rod (3 ') is provided with two pistons (12), (13) place the both sides of (1.3) at interval, and cylinder body (1 ') inner chamber is partitioned into four chambers (4), (5), (6), (7).
4. a kind of hydraulic vehicle torsion dissipating hanging frame dress according to claim 1 is blue or green, it is characterized in that for multi-wheeled vehicle, be that hydraulic actuating cylinder with all wheel suspensions is divided into left front, left back, right front, right back four groups, hydraulic actuating cylinder is connected in parallel on the same pipeline and is connected with the corresponding chamber of four chamber hydro-cushion devices in every group.
5. a kind of hydraulic vehicle torsion dissipating hanging frame device according to claim 1, it is characterized in that the petrol storage tank (13) of also connecting on described suspension hydraulic actuating cylinder and the pipeline that four chamber hydro-cushion devices are connected, the upper end that is petrol storage tank (13) is connected with the suspension hydraulic actuating cylinder, and its lower end is connected with the chamber of four chamber hydro-cushion devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112911 CN2663187Y (en) | 2003-12-09 | 2003-12-09 | Hydraulic vehicle torsion eliminating suspension gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112911 CN2663187Y (en) | 2003-12-09 | 2003-12-09 | Hydraulic vehicle torsion eliminating suspension gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2663187Y true CN2663187Y (en) | 2004-12-15 |
Family
ID=34344775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320112911 Expired - Fee Related CN2663187Y (en) | 2003-12-09 | 2003-12-09 | Hydraulic vehicle torsion eliminating suspension gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2663187Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372698C (en) * | 2003-12-09 | 2008-03-05 | 吉林大学 | Hydraulic vehicle torsion eliminating suspension apparatus |
-
2003
- 2003-12-09 CN CN 200320112911 patent/CN2663187Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100372698C (en) * | 2003-12-09 | 2008-03-05 | 吉林大学 | Hydraulic vehicle torsion eliminating suspension apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7472914B2 (en) | Suspension system | |
| EP0599882B1 (en) | Vehicle suspension system | |
| AU757591B2 (en) | Active ride control for a vehicle suspension system | |
| AU671592B2 (en) | Vehicle suspension system | |
| CN1757553A (en) | Integrated torque and roll control system | |
| JPH02208107A (en) | Active suspension control device | |
| WO2008141387A1 (en) | Interconnected suspension systems | |
| CN102490565B (en) | Demand-based active anti-rollover hydraulic inline suspension system for heavy truck | |
| WO2009111826A1 (en) | Vehicle suspension arrangements & control | |
| CN107116985B (en) | Large-stroke suspension system for multi-axle heavy vehicle | |
| CN1767963A (en) | Suspension system for a vehicle | |
| US7040631B2 (en) | Hydraulic suspension system for a vehicle | |
| CN101585490A (en) | Swing type suspension system of crane | |
| CN203449878U (en) | Hydraulic interconnected torsion-eliminating suspension system for four-wheel vehicle | |
| CN203780258U (en) | Rear suspension for hydraulic interconnection torsion-eliminated suspension | |
| CN103434361A (en) | Passive hydraulic interconnection suspension capable of resisting pitch and improving vehicle comfortability | |
| CN2663187Y (en) | Hydraulic vehicle torsion eliminating suspension gear | |
| CN100372698C (en) | Hydraulic vehicle torsion eliminating suspension apparatus | |
| CN2728816Y (en) | Heavy-duty truck chassis | |
| CN202389147U (en) | On-demand active anti-overturning hydraulic inline suspension system of heavy-duty truck | |
| CN107053986B (en) | Hydraulic control system for oil-gas suspension of five-axis dumper | |
| CN214565620U (en) | Hydraulic steering system of heavy multi-axle truck | |
| CN114475135A (en) | Method for adjusting roll stiffness of oil-gas interconnected suspension system | |
| EP1189774B1 (en) | Active ride control for a vehicle suspension system | |
| CN2711002Y (en) | Four-shaft heavy lorry under carriage with lifting-able rear axle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |