CN103089887A - Steerable hydro-pneumatic spring - Google Patents
Steerable hydro-pneumatic spring Download PDFInfo
- Publication number
- CN103089887A CN103089887A CN201110346618XA CN201110346618A CN103089887A CN 103089887 A CN103089887 A CN 103089887A CN 201110346618X A CN201110346618X A CN 201110346618XA CN 201110346618 A CN201110346618 A CN 201110346618A CN 103089887 A CN103089887 A CN 103089887A
- Authority
- CN
- China
- Prior art keywords
- cylinder barrel
- piston
- piston rod
- steering
- cylinder
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a hydro-pneumatic spring for a vehicle suspension, in particular to a steerable hydro-pneumatic spring which comprises an oil inlet joint, a steering arm, a guide cylinder, a piston rod cover, a piston, a cylinder barrel guider, a cylinder barrel, a spline shaft, a cylinder barrel bottom cover and a limit block. The oil inlet joint is arranged at the upper end of the piston rod cover, the steering arm is connected on the piston rod cover through a spline, the piston rod cover is fixedly connected at the upper end of the piston in a welded manner, the spline shaft is connected with the piston and the cylinder barrel bottom cover through splines, the cylinder barrel with the cylinder barrel guider is connected with the cylinder barrel bottom cover in a threaded manner, a guide mechanism comprises the guide cylinder with a connection seat and the cylinder barrel with the cylinder barrel guider, the guide cylinder with the connection seat is fixedly connected with a frame A2, movement of the steering arm cannot be interfered by vertical jumping of a wheel A8, the cylinder barrel bottom cover is connected with the wheel A8, and torque generated by the steering arm is transmitted to the cylinder barrel bottom cover through the piston rod cover, the piston and the spline shaft 8, so that steering of the wheel A8 is realized.
Description
Technical field
The present invention relates to the hydro-pneumatic spring that vehicle suspension is used, but a kind of steering oil air spring specifically, and it is suitable for using on the full-sized cars such as offroad vehicle, engineering automobiles.
Background technique
The hydro-pneumatic spring that common vehicle uses has elasticity and damping function, also may have simultaneously the function of highly controlling.Usually need separately establish guidance system and realize relative movement correct between wheel and vehicle body.
The hydro-pneumatic spring that is installed on deflecting roller must be installed separately steering system for realizing wheel steering, and this usually brings complex structure, difficult arrangement, the problems such as manufacture cost rising.More at some deflecting rollers, in the vehicle that wheelbase is grown, this layout may be realized hardly.Simultaneously, the installation steering system also can produce negative impact to the design of vehicle bearing space; The general vehicle that steering system is installed is when wheel hop, and the steering system part is beated thereupon, causes interference, thereby forms the bad phenomenon of additional steering angle.
Summary of the invention
The objective of the invention is to provide a kind of effect with elasticity, damping and guiding, also can possess the effect of highly controlling, will turn to transmission of torque to tire by steering arm or other executive component, realize the hydro-pneumatic spring of wheel steering.
the object of the present invention is achieved like this, this hydro-pneumatic spring comprises the oil-feed interface, steering arm, guide cylinder, piston rod cap, piston, the cylinder barrel guider, cylinder barrel, splined shaft, the cylinder barrel bottom, limiting stopper, described oil-feed interface is arranged on the upper end of piston rod cap, steering arm by spline joint on piston rod cap, the piston rod cap welding is connected in the upper end of piston, splined shaft is connected with piston by spline, be connected with the cylinder barrel bottom by spline simultaneously, cylinder barrel with the cylinder barrel guider is connected by screw thread with the cylinder barrel bottom, form guide mechanism with the guide cylinder of connecting base and cylinder barrel with the cylinder barrel guider, guide cylinder with connecting base is connected mutually with vehicle frame A2, the bob of wheel A8 to the motion of steering arm without interference, the cylinder barrel bottom is connected with wheel A8, piston rod cap is passed through in the torque that steering arm produces, piston and splined shaft 8 pass to the cylinder barrel bottom, thereby realize turning to of wheel A8.
Described steering arm pushing piston bowl cover and piston, by splined shaft with transmission of torque to the cylinder barrel bottom, thereby form wheel steering system; Steering arm and guide cylinder relative position non-displacement change, the bob that guarantees wheel A8 to the motion of steering arm without interference; Guide cylinder and cylinder barrel form guide mechanism.
Described replacement steering arm forms and turns to other executive component of torque can adopt oil hydraulic motor or actuating motor etc.
Can adopt wear-resistant gasket or thrust-bearing to realize the anti-attrition function between described piston rod cap and guide cylinder.
Form a cavity A between described piston rod cap, piston and splined shaft, form another cavity B between piston, splined shaft and cylinder barrel, cavity A communicates by a plurality of oilhole c that are located at piston crown with cavity B and forms airtight oil pocket.
The present invention is owing to adopting said structure to have the following advantages and good effect:
1, the present invention by disposed thereon and will not turn to torque to pass to tire via piston rod cap, piston, splined shaft and cylinder barrel bottom with steering arm or other executive component (as oil hydraulic motor, actuating motor etc.) of wheel hop, has realized wheel steering; Simultaneously, wherein the hydro-pneumatic spring of integrated setting makes its effect with elasticity, damping and guiding, also can possess the effect of highly controlling.
2, compact structure of the present invention, simple, the integrated modular design is easy to layout, wide adaptability, is applicable to the vehicle that compound suspension also is applicable to pure hydro pneumatic suspension.
Description of drawings
But Fig. 1 is steering oil air spring overall structure schematic diagram.
Fig. 2 adopts the another kind of mode of execution structural representation of thrust-bearing between piston rod cap of the present invention and guide cylinder.
Fig. 3 is that the present invention adopts other executive component oil hydraulic motor of replacement steering arm or another mode of execution structural representation of actuating motor.
Fig. 4 is equipped with the use state reference map of suspension application of the present invention in vehicle.
Embodiment
As shown in Figure 1, but should comprise oil-feed interface 1, steering arm 2, guide cylinder 3, piston rod cap 4, piston 5, cylinder barrel guider 6, cylinder barrel 7, splined shaft 8, cylinder barrel bottom 9, limiting stopper 10, cylinder barrel seal ring 11, splined shaft seal ring 12, piston packing 13, cylinder barrel guider seal ring 14, wear-resistant gasket 15 by the steering oil air spring, described splined shaft 8 is connected with piston 5 by spline, is connected with cylinder barrel bottom 9 by spline simultaneously; Piston rod cap 4 lower ends and piston 5 are connected by welding, and the upper end is connected with steering arm 2 by spline, and so structure can be directly passed to cylinder barrel bottom 9 with the steering torque that steering arm 2 produces.Cylinder barrel bottom 9 is connected with tire, can realize tyre revolution to, do not need the peripheral hardware steering system, slot milling maximizing vehicle bearing space; Integrated design makes suspension frame structure simple, and cost is easily arranged in vehicle.
Described steering arm 2 is connected with piston rod cap 4 by spline, and the mode by welding between piston rod cap 4 lower ends and piston 5 is connected, and makes internal piston form a cavity A.Piston rod cap 4 upper ends are provided with oil-feed interface 1, and the internal piston cavity is communicated with external oil circuit.Cylinder barrel 7 is connected by screw thread with cylinder barrel bottom 9, adopt 11 sealings of cylinder barrel seal ring, the head of piston 5 is equipped with piston packing 13 and forms another cavity B with cylinder barrel 7, cavity A communicates by a plurality of oilhole c that are located at piston 5 heads with cavity B and forms airtight oil pocket, and being connected with accumulator A5 by oil-feed interface 1 and outside oil circuit consists of hydro-pneumatic spring.Be provided with wear-resistant gasket 15 between guide cylinder 3 and piston rod cap 4, avoid direct friction between guide cylinder 3 and piston rod cap 4.Mutually sliding up and down between guide cylinder 3 and cylinder barrel 7 played leading role, forms guide mechanism of the present invention, and makes the present invention when being subject to lateral forces, and inside is born the splined shaft 8 and the piston 5 that turn to torque and not affected by this lateral force.Cylinder barrel guider seal ring 14 prevents that leakage of oil from bleeding in the space that above cylinder barrel guider 6, guide cylinder 3 and piston 5 form.Be connected by screw thread between cylinder barrel guider 6 and cylinder barrel 7, itself and piston 5 be motion mutually up and down, plays leading role.Guide cylinder 3 is provided with leakage of oil outlet a, and cylinder barrel 7 is provided with leakage of oil outlet b.Splined shaft 8 one ends are connected with piston 5 by spline, the other end is connected with cylinder barrel bottom 9 by spline, simultaneously, adopts jump ring that itself and limiting stopper 10 are fixed, limiting stopper 10 fixes by another jump ring and cylinder barrel bottom 9, guarantees that splined shaft 8 and cylinder barrel bottom 9 mutual alignments do not change.By the sealing between splined shaft seal ring 12 assurance splined shafts 8 and cylinder barrel bottom 9.Guide cylinder 3 is connected mutually with vehicle frame (vehicle body), and cylinder barrel bottom 9 is connected with wheel, turns to push rod 2 pushing piston bowl covers 4, drives piston 5, splined shaft 8 and cylinder barrel bottom 9 and rotates, thereby realize turning to of wheel.
Shown in accompanying drawing 2: adopt thrust-bearing 15 between guide cylinder 3 and piston rod cap 4, the resistance of rotation is less.
Shown in accompanying drawing 3: what pass to tire turns to torque by other executive component 2(such as oil hydraulic motor, actuating motor etc.) produce, use more flexible.
Shown in accompanying drawing 4: for utilizing the present invention as the suspension system of constituent element, but formed by steering oil air spring A1, vehicle frame (vehicle body) A2, bi-bit bi-pass selector valve A3, variable damper valve A4, gas-filled type accumulator A5, electric oil pump A6, oil sources A7 and wheel A8.But steering oil air spring A1, variable damper valve A4 and gas-filled type accumulator A5 consist of typical complete hydro-pneumatic spring.
By controlling the on off state of bi-bit bi-pass selector valve A3, realize that the rigidity and tenderness of suspension switches; Variable damper valve A4 realizes the damping characteristic of suspension; In gas-filled type accumulator A5, the elasticity of nitrogen realizes the stiffness characteristics of suspension; But the guide movement of suspension is guaranteed by steering oil air spring A1.
But guide cylinder 3(such as Fig. 1 of steering oil air spring A1) be connected mutually with vehicle frame (vehicle body) A2, wheel A8 and cylinder barrel bottom 9(such as Fig. 1) be connected.When vehicle frame (vehicle body) A2 need to rotate, promote steering arm 2(such as Fig. 1 as wheel A8) or move other executive component 2(such as oil hydraulic motor, actuating motor etc.) (as Fig. 3) can realize the rotation of wheel A8; Guide structure along steering oil air spring A1 during the relative vehicle frame of wheel A8 (vehicle body) A2 bob carries out; During the relative vehicle frame of wheel A8 (vehicle body) A2 bob, steering arm 2(such as Fig. 1) or other executive component 2(such as oil hydraulic motor, actuating motor etc.) (as Fig. 3) relative static with vehicle frame (vehicle body) A2, avoid the generation of movement interference, eliminate and interfere the additional steering angle that causes between steering system and suspension.
Claims (4)
1. but steering oil air spring, it is characterized in that: this hydro-pneumatic spring comprises oil-feed interface (1), steering arm (2), guide cylinder (3), piston rod cap (4), piston (5, ) cylinder barrel guider (6), cylinder barrel (7), splined shaft (8), cylinder barrel bottom (9) and limiting stopper (10), described oil-feed interface (1) is arranged on the upper end of piston rod cap (4), steering arm (2) by spline joint on piston rod cap (4), piston rod cap (4) welding is connected in the upper end of piston (5), splined shaft (8) is connected with piston (5) by spline, be connected with cylinder barrel bottom (9) by spline simultaneously, with the cylinder barrel (7) of cylinder barrel guider (6) with cylinder barrel bottom (9) by being connected, form guide mechanism with the guide cylinder (3) of connecting base (16) and cylinder barrel (7) with cylinder barrel guider (6), guide cylinder (3) with connecting base (16) is connected mutually with vehicle frame A2, the bob of wheel A8 to the motion of steering arm (2) without interference, cylinder barrel bottom (9) is connected with wheel A8, the torque that steering arm (2) produces is by piston rod cap (4), piston (5) and splined shaft (8) pass to cylinder barrel bottom (9), thereby realize turning to of wheel A8.
2. but a kind of steering oil air spring according to claim 1, it is characterized in that: form a cavity A between described piston rod cap (4), piston (5) and splined shaft (8), form another cavity B between piston (5), splined shaft (8) and cylinder barrel (7), cavity A communicates by a plurality of oilhole c that are located at piston (5) head with cavity B and forms airtight oil pocket.
3. but a kind of steering oil air spring according to claim 1 is characterized in that: described replacement steering arm (2) forms and turns to other executive component of torque can adopt oil hydraulic motor or actuating motor etc.
4. but a kind of steering oil air spring according to claim 1, is characterized in that: can adopt wear-resistant gasket or thrust-bearing to realize the anti-attrition function between described piston rod cap (4) and guide cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346618.XA CN103089887B (en) | 2011-11-07 | 2011-11-07 | Steerable hydro-pneumatic spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346618.XA CN103089887B (en) | 2011-11-07 | 2011-11-07 | Steerable hydro-pneumatic spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103089887A true CN103089887A (en) | 2013-05-08 |
| CN103089887B CN103089887B (en) | 2016-08-03 |
Family
ID=48202854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110346618.XA Active CN103089887B (en) | 2011-11-07 | 2011-11-07 | Steerable hydro-pneumatic spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103089887B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494389A (en) * | 2014-12-19 | 2015-04-08 | 浙江德盛铁路器材股份有限公司 | Rear suspension system of engineering vehicle |
| CN106379408A (en) * | 2016-11-30 | 2017-02-08 | 徐州重型机械有限公司 | Wheeled chassis and crane |
| CN107985395A (en) * | 2017-12-28 | 2018-05-04 | 欧孚迪汽车设计武汉有限公司 | Can all-wheel steering electric car steering |
| CN108116492A (en) * | 2017-12-28 | 2018-06-05 | 欧孚迪汽车设计武汉有限公司 | Vehicle and its walking unit |
| CN113635724A (en) * | 2021-08-26 | 2021-11-12 | 北京航天发射技术研究所 | Vehicle suspension |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759503A (en) * | 1970-05-28 | 1973-09-18 | Crompton Moore J Russell | Resilient mounting arrangement |
| SU1193326A1 (en) * | 1983-11-30 | 1985-11-23 | Московский автомеханический институт | Telescopic hydraulic shock-absorber |
| CN200996428Y (en) * | 2007-01-18 | 2007-12-26 | 昶伟股份有限公司 | Steering shock arrester |
| CN201318411Y (en) * | 2008-10-17 | 2009-09-30 | 黎景杭 | Strut type steering servo damping adjustment shock absorber |
| JP2011122644A (en) * | 2009-12-10 | 2011-06-23 | Jtekt Corp | Electromagnetic damper |
| CN202326883U (en) * | 2011-11-07 | 2012-07-11 | 长春孔辉汽车科技有限公司 | Steering hydro-pneumatic spring |
-
2011
- 2011-11-07 CN CN201110346618.XA patent/CN103089887B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3759503A (en) * | 1970-05-28 | 1973-09-18 | Crompton Moore J Russell | Resilient mounting arrangement |
| SU1193326A1 (en) * | 1983-11-30 | 1985-11-23 | Московский автомеханический институт | Telescopic hydraulic shock-absorber |
| CN200996428Y (en) * | 2007-01-18 | 2007-12-26 | 昶伟股份有限公司 | Steering shock arrester |
| CN201318411Y (en) * | 2008-10-17 | 2009-09-30 | 黎景杭 | Strut type steering servo damping adjustment shock absorber |
| JP2011122644A (en) * | 2009-12-10 | 2011-06-23 | Jtekt Corp | Electromagnetic damper |
| CN202326883U (en) * | 2011-11-07 | 2012-07-11 | 长春孔辉汽车科技有限公司 | Steering hydro-pneumatic spring |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494389A (en) * | 2014-12-19 | 2015-04-08 | 浙江德盛铁路器材股份有限公司 | Rear suspension system of engineering vehicle |
| CN106379408A (en) * | 2016-11-30 | 2017-02-08 | 徐州重型机械有限公司 | Wheeled chassis and crane |
| CN106379408B (en) * | 2016-11-30 | 2019-06-25 | 徐州重型机械有限公司 | Wheel undercarriage and crane |
| CN107985395A (en) * | 2017-12-28 | 2018-05-04 | 欧孚迪汽车设计武汉有限公司 | Can all-wheel steering electric car steering |
| CN108116492A (en) * | 2017-12-28 | 2018-06-05 | 欧孚迪汽车设计武汉有限公司 | Vehicle and its walking unit |
| CN108116492B (en) * | 2017-12-28 | 2024-04-09 | 武汉梦马易腾智能汽车科技有限公司 | Vehicle and traveling unit thereof |
| CN113635724A (en) * | 2021-08-26 | 2021-11-12 | 北京航天发射技术研究所 | Vehicle suspension |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103089887B (en) | 2016-08-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101398053B (en) | Hydraulic shock absorber | |
| CN103089887A (en) | Steerable hydro-pneumatic spring | |
| CN101801695B (en) | Electromagnetic shock absorber for vehicle | |
| CA2680005C (en) | Actuator for vehicle | |
| CN103122962B (en) | Light steering hydro-pneumatic spring | |
| CN105379079A (en) | Linear actuator and rocking control device for railroad car | |
| JP2015168393A (en) | Strut type suspension device | |
| US10173721B2 (en) | Steering motor | |
| CN202326880U (en) | Light steering hydro-pneumatic spring | |
| JP5115785B2 (en) | Suspension device | |
| JP4271604B2 (en) | Electromagnetic shock absorber | |
| CN202326883U (en) | Steering hydro-pneumatic spring | |
| EP2853768A1 (en) | Suspension device | |
| JP2009127651A (en) | Friction adjuster | |
| JP6251137B2 (en) | Pressure buffer and damping force generation mechanism | |
| CN103241085B (en) | Ball socket bush structure connected to automobile chassis suspension control arm | |
| JP2006316864A (en) | Damper | |
| JP5142793B2 (en) | Steering damper | |
| WO2015060233A1 (en) | Damper device | |
| CN112141208A (en) | Vehicle steering control structure, vehicle suspension structure and vehicle | |
| JP4505808B2 (en) | Stabilizer device | |
| JP5894484B2 (en) | Suspension device | |
| CN203756839U (en) | Hydro-pneumatic spring | |
| KR20100104671A (en) | Damping force variable apparatus | |
| JP2008240838A (en) | Spring force adjustment structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Applicant after: Changchun Konghui Automative Technology Co., Ltd. Address before: 130012 Jilin province Changchun Chaoda high tech Industrial Development Zone, Road No. 5177 Applicant before: KH Automotive Technologies (Changchun) Co., Ltd. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: KH AUTOMOTIVE TECHNOLOGIES (CHANGCHUN) CO., LTD. TO: CHANGCHUN KONGHUI AUTOMATIVE TECHNOLOGY CO., LTD. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191028 Address after: 313000 No. 18-102 Industrial Road, South Taihu High-tech Industrial Park, Wuxing District, Huzhou City, Zhejiang Province Patentee after: Zhejiang Kong Hui Automobile Technology Co., Ltd. Address before: 130012 No. 5177, Chaoda Road, Changchun high tech Industrial Development Zone, Changchun, Jilin Patentee before: Changchun Konghui Automative Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |