CN102416838B - Device for preventing hydro-pneumatic spring from swinging - Google Patents
Device for preventing hydro-pneumatic spring from swinging Download PDFInfo
- Publication number
- CN102416838B CN102416838B CN201110241863.4A CN201110241863A CN102416838B CN 102416838 B CN102416838 B CN 102416838B CN 201110241863 A CN201110241863 A CN 201110241863A CN 102416838 B CN102416838 B CN 102416838B
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- hydro
- pneumatic spring
- sway
- cross arm
- installation ring
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- Vehicle Body Suspensions (AREA)
Abstract
The invention relates to a fixing device, in particular to a device for preventing a hydro-pneumatic spring from swinging, comprising the hydro-pneumatic spring, a cross arm and a mounting seat arranged on the cross arm, wherein the cross arm is arranged between a vehicle body and a hub assembly; the hydro-pneumatic spring is arranged between the cross arm and the vehicle body; the cross arm consists of an upper cross arm and a lower cross arm, and the lower cross arm is provided with the mounting seat; two ends of the hydro-pneumatic spring are provided with mounting rings, the mounting ring at one end of the hydro-pneumatic spring is hinged to the mounting seat of the lower cross arm, and the mounting ring at the other end of the hydro-pneumatic spring is hinged to the vehicle body; two sides of the mounting seat of the lower cross arm are provided with anti-swing ejector rods, the peaks of the anti-swing ejector rods at the two sides of the mounting seat support against the end surfaces of the mounting rings, and the distance between the two peaks of the anti-swing ejector rods at the two sides of the mounting seat is equal to the height of the mounting rings. In the invention, the two sides of the mounting rings of the hydro-pneumatic spring are provided with the anti-swing ejector rods, therefore, the swing of central lines of the mounting rings at two ends of the hydro-pneumatic spring due to mounting positions and suspension motion can be reduced, and noise caused by the swing can be reduced or eliminated.
Description
Technical field:
The present invention relates to a kind of anchor fitting, prevent hydro-pneumatic spring pendulous device more specifically to one.
Background technology:
After current oil gas spring for vehicle installs, because upper and lower installation ring (mounting hole) line of centers is not parallel, make to be suspended in motion process, when hydro-pneumatic spring oil cylinder and piston move back and forth, also there is reciprocating rotation, make the radially upper reciprocally swinging that produces of hydro-pneumatic spring oil cylinder and piston, the oscillating bearing in hydro-pneumatic spring mounting hole is damaged in advance, and produce noise.
So, for prior art above shortcomings, the present invention is proposed.
Summary of the invention:
The object of this invention is to provide one and prevent hydro-pneumatic spring pendulous device, because antihunting push rod is equipped with in hydro-pneumatic spring installation ring both sides, can reduce the swing that hydro-pneumatic spring two ends installation ring line of centers causes because of installation site and suspension movement, and reduce or eliminate the noise that this swing produces.
For achieving the above object, the present invention is by the following technical solutions:
One provided by the invention prevents hydro-pneumatic spring pendulous device, comprise the mount pad on hydro-pneumatic spring, transverse arm and transverse arm, transverse arm is arranged between car body and Hub assembly, hydro-pneumatic spring is arranged between transverse arm and car body, described transverse arm comprises Top Crossbeam and lower cross arm, and described lower cross arm is provided with mount pad; There is installation ring at described hydro-pneumatic spring two ends, and the lower installation ring of described hydro-pneumatic spring one end is hinged on the mount pad of lower cross arm, and the upper installation ring of the described hydro-pneumatic spring other end is hinged on car body; The mount pad both sides of described lower cross arm are provided with anti-sway push rod, the axis of described anti-sway push rod is parallel with the line of centers of described installation ring, the anti-sway push rod in both sides that described installation ring is axial, the dead in line of the anti-sway push rod in described both sides, anti-sway push rod summit, described both sides withstands on the end face of installation ring, and the distance between anti-sway push rod summit, described both sides equals the height of described installation ring.
One provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, the mount pad both sides of described lower cross arm are also provided with anti-sway push rod mount pad, described anti-sway push rod one end is tapered, the other end has mounting hole, and the mounting hole of described anti-sway push rod one end is fixed on anti-sway push rod mount pad by anti-sway push rod tightening screw and pad III.
Another preferred one provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, the lower installation ring of described hydro-pneumatic spring one end is hinged on the mount pad of lower cross arm by lower installation bearing pin, and described lower installation bearing pin is fixed on lower cross arm mount pad by tightening screw and pad II.
A preferred one more provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, described car body is provided with attached seat and lower attached seat, it is upper that the upper installation ring of described hydro-pneumatic spring one end is hinged on upper attached seat by upper installation bearing pin, and described transverse arm one end is hinged on lower attached seat.
Another preferred one provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, and described upper installation bearing pin is fixed on upper attached seat by clamp nut and pad I.
Another preferred one provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, described attached seat both sides are provided with anti-sway push rod, the axis of described anti-sway push rod is parallel with the line of centers of described installation ring, the dead in line of the axial anti-sway push rod in both sides of described installation ring, anti-sway push rod summit, described both sides withstands on the end face of installation ring, and the distance between anti-sway push rod summit, described both sides equals the height of described installation ring.
Another preferred one provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, described hydro-pneumatic spring comprises the installation ring at cylinder body, piston rod and two ends, in described installation ring, be provided with joint ball bearing, described joint ball bearing comprises the joint ball bearing inner-core of joint ball bearing case and the portion that sets within it.
Another preferred one provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, in described piston rod one end, the outer wall of described joint ball bearing case coordinates with the oscillating bearing mounting hole inwall on piston rod and is provided with sealing baffle, and described joint ball bearing inner-core inwall coordinates with lower installation bearing pin and is provided with seal ring.
Another preferred one provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, in described cylinder body one end, the outer wall of described joint ball bearing case coordinates with the oscillating bearing mounting hole inwall on cylinder body and is provided with sealing baffle, and described joint ball bearing inner-core inwall coordinates with upper installation bearing pin and is provided with seal ring.
Another preferred one provided by the invention prevents in hydro-pneumatic spring pendulous device technical scheme, described Top Crossbeam, lower cross arm, hydro-pneumatic spring, Hub assembly and car body formation four-bar mechanism.
Owing to having adopted technique scheme, the beneficial effect that the present invention obtains is:
The present invention is because antihunting push rod is equipped with in the installation ring both sides of hydro-pneumatic spring, can reduce the swing that hydro-pneumatic spring two ends installation ring line of centers causes because of installation site and suspension movement, and reduces or eliminate the noise that this swing produces.
Brief description of the drawings
Fig. 1 is that one prevents hydro-pneumatic spring pendulous device structural representation;
Fig. 2 is hydro-pneumatic spring structural representation in the present invention;
Fig. 3 is hydro-pneumatic spring right elevation in the present invention;
Fig. 4 is that in the present invention, hydro-pneumatic spring is installed rear schematic rear view;
Fig. 5 is that two transverse arms of oily spring of the present invention hang backsight theory of machines and composition schematic diagram;
Fig. 6 is that in the present invention, hydro-pneumatic spring is installed rear side viewing partial schematic diagram;
Fig. 7 is hydro-pneumatic spring installation ring B-B cutaway view of the present invention;
Fig. 8 is that in the present invention, hydro-pneumatic spring is installed rear schematic top plan view;
Fig. 9 is lower cross arm structural representation in the present invention;
Figure 10 is lower cross arm A-A cutaway view in the present invention;
Figure 11 is anti-sway push rod structure schematic diagram in the present invention;
Wherein, attached seat under 1-, the upper attached seat of 2-, 3-hydro-pneumatic spring, the upper installation of 4-bearing pin, under 5-, bearing pin is installed, 6-cylinder body, 7-piston rod, 8-installation ring, 9-wheel, 10-clamp nut, 11-pad I, 12-tightening screw, 13-pad II, 14-Hub assembly, the anti-sway push rod tightening screw of 15-, 16-pad III, 17-lower cross arm, the anti-sway push rod of 18-, 19-Top Crossbeam, 20-oscillating bearing inner core, 21-oscillating bearing shell, 22-sealing baffle, 23-seal ring, 24-car body, the mount pad of Q1-hydro-pneumatic spring on lower cross arm, the anti-sway push rod mount pad of Q2-, the installation ring inner core line of centers of A1-hydro-pneumatic spring upper end, the installation ring 8 inner core line of centerss of A2-hydro-pneumatic spring lower end.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be described in further detail.
Embodiment 1:
As shown in Fig. 1-11, the one of this example invention prevents hydro-pneumatic spring pendulous device, comprise the mount pad Q1 on hydro-pneumatic spring 3, transverse arm and transverse arm, transverse arm is arranged between car body 24 and Hub assembly 14, hydro-pneumatic spring 3 is arranged between transverse arm and car body 24, between with supporting body 24 weight and rise damping of vibrations, Top Crossbeam, lower cross arm, hydro-pneumatic spring 3, Hub assembly 14 and car body 24 form four-bar mechanism, directional tagging is provided to wheel 9, and car body 24 is provided a supporting role, transverse arm comprises Top Crossbeam 19 and lower cross arm 17, and lower cross arm 17 is provided with mount pad Q1, there is installation ring 8 at hydro-pneumatic spring 3 two ends, the lower installation ring 8 of hydro-pneumatic spring 3 one end is hinged on lower cross arm 17 by lower installation bearing pin 5, be actually and be hinged on mount pad Q1, the mount pad Q1 that lower installation bearing pin 5 is fixed on lower cross arm 17 by tightening screw 12 and pad II 13 is upper, and the upper installation ring 8 of hydro-pneumatic spring 3 other ends is hinged on car body 24, the mount pad Q1 both sides of lower cross arm 17 are also provided with anti-sway push rod mount pad Q2, the mount pad Q1 both sides of lower cross arm 17 are provided with anti-sway push rod 18, anti-sway push rod 18 one end are tapered, the other end has mounting hole, the mounting hole of anti-sway push rod 18 one end is fixed on anti-sway push rod mount pad Q2 by anti-sway push rod tightening screw 15 and pad III 16, the axis of anti-sway push rod 18 is parallel with the line of centers of installation ring 8, the anti-sway push rod 18 in both sides that installation ring 8 is axial, the dead in line of the anti-sway push rod 18 in both sides, anti-sway push rod 18 summits, both sides withstand on the end face of installation ring 8, distance between anti-sway push rod 18 summits, both sides equals the height of installation ring 8.
Car body 24 of the present invention is provided with attached seat 2 and lower attached seat 1, the upper installation ring 8 of hydro-pneumatic spring 3 other ends is hinged on upper attached seat 2 by upper installation bearing pin 4, upper installation bearing pin 4 is fixed on upper attached seat 2 by clamp nut 10 and pad I 11, and transverse arm one end is hinged on lower attached seat 1.
Hydro-pneumatic spring 3 of the present invention comprises the installation ring 8 at cylinder body 6, piston rod 7 and two ends, in installation ring 8, be provided with joint ball bearing, joint ball bearing comprises the joint ball bearing inner-core 20 of joint ball bearing case 21 and the portion that sets within it, in hydro-pneumatic spring 3 piston rod 7 these one end, the outer wall of joint ball bearing case 21 coordinates with the oscillating bearing mounting hole inwall on piston rod 7 and is provided with sealing baffle 22, joint ball bearing inner-core 20 inwalls coordinate and are provided with seal ring 23 with lower installation bearing pin 5, seal up the lubricating grease in joint ball bearing;
In hydro-pneumatic spring 3 cylinder body 6 one end, the outer wall of joint ball bearing case 21 coordinates with the oscillating bearing mounting hole inwall on cylinder body 6 and is provided with sealing baffle 22, joint ball bearing inner-core 20 inwalls coordinate and are provided with seal ring 23 with upper installation bearing pin 4, seal up the lubricating grease in joint ball bearing.
In the present invention as shown in Figure 8, hydro-pneumatic spring 3 is arranged between car body 24 and lower cross arm 17 by upper attached seat 2 and upper and lower installation ring 8, upper and lower installation ring 8 inner core line of centers A1, A2 can complete matchings, be that upper and lower installation ring 8 inner core line of centers A1, A2 are parallel, once but after it is installed on car, its upper and lower installation ring 8 inner core line of centers A1, A2 may deflect;
The reason that this deflection produces has multiple, the first is in the time of suspension movement four-bar linkage design, not parallel for mount pad Q1 line of centers A2 for 3 times installation rings 8 of hydro-pneumatic spring are installed is installed on the mounting hole line of centers A1 of installation ring 8 on hydro-pneumatic spring 3 and lower cross arm 17 on upper attached seat 2; It is two parallel while being former design, produces deviation man-hour but add, and makes it in fact not parallel; It three is that design is with to add man-hour all parallel, but be suspended in motion process, due to the distortion of four-bar mechanism, make on attached seat 2 on mounting hole line of centers for installation ring 8 on hydro-pneumatic spring 3 is installed and lower cross arm 17 the mount pad Q1 line of centers for 3 times installation rings 8 of hydro-pneumatic spring are installed not parallel.
Be installed to for adapting to hydro-pneumatic spring 3 that to hang the upper and lower installation ring 8 inner core line of centers A1 of hydro-pneumatic spring 3, the A2 that cause due to a variety of causes after upper not parallel, generally in the upper and lower installation ring 8 of hydro-pneumatic spring 3, all adopt joint ball bearing.Joint ball bearing case 21 coordinates with the oscillating bearing mounting hole inwall on hydro-pneumatic spring piston rod 7, and joint ball bearing inner-core 20 coordinates with lower installation bearing pin 5, and certainly, for upper installation ring 8, it coordinates with upper installation bearing pin 4;
But adopting after above-mentioned measure, in suspension movement process, the oil cylinder 6 of hydro-pneumatic spring 3 and piston rod 7 are in moving to axial, also produce diametrically relative reciprocating rotation, this oscillating bearing easily making in hydro-pneumatic spring mounting hole that relatively rotates damages in advance, and produces noise.
Embodiment 2:
As shown in Fig. 1-11, the one of this example invention prevents hydro-pneumatic spring pendulous device, its structure with substantially want with embodiment 1 with, difference is:
In this example, upper attached seat 2 is provided with anti-sway push rod mount pad Q2, anti-sway push rod mount pad Q2 is provided with anti-sway push rod 18, the axis of anti-sway push rod 18 is parallel with the line of centers of hydro-pneumatic spring 3 upper end installation rings 8, the dead in line of the axial anti-sway push rod 18 in both sides of installation ring 8, anti-sway push rod 18 summits, both sides withstand on the end face of installation ring 8, and the distance between anti-sway push rod 18 summits, both sides equals the height of installation ring 8.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any amendment of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (6)
1. one kind prevents hydro-pneumatic spring pendulous device, comprise the mount pad on hydro-pneumatic spring (3), transverse arm and transverse arm, transverse arm is arranged between car body (24) and Hub assembly (14), hydro-pneumatic spring (3) is arranged between transverse arm and car body (24), it is characterized in that: described transverse arm comprises Top Crossbeam (19) and lower cross arm (17), and described lower cross arm (17) is provided with mount pad; Described hydro-pneumatic spring (3) comprises the installation ring (8) at cylinder body (6), piston rod (7) and two ends, the lower installation ring (8) of described hydro-pneumatic spring (3) one end is hinged on the mount pad of lower cross arm (17), and the upper installation ring (8) of described hydro-pneumatic spring (3) other end is hinged on car body (24); The mount pad both sides of described lower cross arm (17) are provided with anti-sway push rod (18), the axis of described anti-sway push rod (18) is parallel with the line of centers of described lower installation ring (8), described anti-sway push rod (18) is in the axial both sides of lower installation ring (8), the dead in line of the anti-sway push rods in described both sides (18), the anti-sway push rods in described both sides (18) summit withstands on the end face of lower installation ring (8), and the distance between the anti-sway push rods in described both sides (18) summit equals the height of described lower installation ring (8);
The mount pad both sides of described lower cross arm (17) are also provided with anti-sway push rod mount pad, described anti-sway push rod (18) one end is tapered, the other end has mounting hole, and the mounting hole of described anti-sway push rod (18) one end is fixed on anti-sway push rod mount pad by anti-sway push rod tightening screw (15) and pad III (16);
Described installation ring is provided with joint ball bearing in (8), and described joint ball bearing comprises the joint ball bearing inner-core (20) of joint ball bearing case (21) and the portion that sets within it;
In described piston rod (7) one end, the outer wall of described joint ball bearing case (21) coordinates with the oscillating bearing mounting hole inwall on piston rod (7) and is provided with sealing baffle (22), and described joint ball bearing inner-core (20) inwall coordinates with lower installation bearing pin (5) and is provided with seal ring (23);
In described cylinder body (6) one end, the outer wall of described joint ball bearing case (21) coordinates with the oscillating bearing mounting hole inwall on cylinder body (6) and is provided with sealing baffle (22), and described joint ball bearing inner-core (20) inwall coordinates with upper installation bearing pin (4) and is provided with seal ring (23).
2. one as claimed in claim 1 prevents hydro-pneumatic spring pendulous device, it is characterized in that: the lower installation ring (8) of described hydro-pneumatic spring (3) one end is hinged on the mount pad of lower cross arm (17) by lower installation bearing pin (5), described lower installation bearing pin (5) is fixed on the mount pad of lower cross arm (17) by tightening screw (12) and pad II (13).
3. one as claimed in claim 1 prevents hydro-pneumatic spring pendulous device, it is characterized in that: described car body (24) is provided with attached seat (2) and lower attached seat (1), it is upper that the upper installation ring (8) of described hydro-pneumatic spring (3) other end is hinged on upper attached seat (2) by upper installation bearing pin (4), and described transverse arm one end is hinged on lower attached seat (1).
4. one as claimed in claim 3 prevents hydro-pneumatic spring pendulous device, it is characterized in that: described upper installation bearing pin (4) is fixed on upper attached seat (2) by clamp nut (10) and pad I (11).
5. one as claimed in claim 4 prevents hydro-pneumatic spring pendulous device, it is characterized in that: described attached seat (2) both sides are provided with anti-sway push rod (18), the axis of described anti-sway push rod (18) is parallel with the line of centers of described upper installation ring (8), the dead in line of the axial anti-sway push rods in both sides (18) of described upper installation ring (8), the anti-sway push rods in described both sides (18) summit withstands on the end face of installation ring (8), and the distance between the anti-sway push rods in described both sides (18) summit equals the height of described upper installation ring (8).
6. one as claimed in claim 1 prevents hydro-pneumatic spring pendulous device, it is characterized in that: described Top Crossbeam, lower cross arm, hydro-pneumatic spring (3), Hub assembly (14) and car body (24) form four-bar mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110241863.4A CN102416838B (en) | 2011-08-23 | 2011-08-23 | Device for preventing hydro-pneumatic spring from swinging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110241863.4A CN102416838B (en) | 2011-08-23 | 2011-08-23 | Device for preventing hydro-pneumatic spring from swinging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102416838A CN102416838A (en) | 2012-04-18 |
| CN102416838B true CN102416838B (en) | 2014-08-20 |
Family
ID=45941575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110241863.4A Expired - Fee Related CN102416838B (en) | 2011-08-23 | 2011-08-23 | Device for preventing hydro-pneumatic spring from swinging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102416838B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801702A (en) * | 2017-03-24 | 2017-06-06 | 中国北方车辆研究所 | Suspension sealing hinge means |
| CN111660220A (en) * | 2019-03-06 | 2020-09-15 | 北京长征天民高科技有限公司 | Hydro-pneumatic spring hanging mechanism |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201415596Y (en) * | 2009-06-07 | 2010-03-03 | 陈建生 | Vehicle front wheel independent suspension device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3128678B2 (en) * | 1994-04-08 | 2001-01-29 | ダイハツ工業株式会社 | Mounting structure of shock absorber |
| JPH08219210A (en) * | 1995-02-13 | 1996-08-27 | Tokai Rubber Ind Ltd | Vibration isolating support body |
| JPH08282238A (en) * | 1995-04-19 | 1996-10-29 | Jidosha Kiki Co Ltd | Car height adjusting device |
| JPH092032A (en) * | 1995-06-15 | 1997-01-07 | Nissan Motor Co Ltd | Front suspension device |
-
2011
- 2011-08-23 CN CN201110241863.4A patent/CN102416838B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201415596Y (en) * | 2009-06-07 | 2010-03-03 | 陈建生 | Vehicle front wheel independent suspension device |
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| Publication number | Publication date |
|---|---|
| CN102416838A (en) | 2012-04-18 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140820 Termination date: 20200823 |