CN102328561B - Double-damping single trailing arm independent suspension - Google Patents
Double-damping single trailing arm independent suspension Download PDFInfo
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- CN102328561B CN102328561B CN 201110220683 CN201110220683A CN102328561B CN 102328561 B CN102328561 B CN 102328561B CN 201110220683 CN201110220683 CN 201110220683 CN 201110220683 A CN201110220683 A CN 201110220683A CN 102328561 B CN102328561 B CN 102328561B
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- trailing arm
- bearing
- bumper
- axle housing
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Abstract
The invention discloses a double-damping single trailing arm independent suspension and belongs to the field of a special low-speed vehicle. The device comprises a vehicle body, wheels, an axle housing, a support, a suspension trailing arm, a spring and a damper, wherein the support is connected with the vehicle body through a bolt; the axle housing is connected with a wheel; the suspension trailing arm is positioned in front of the wheel; the height of the suspension trailing arm is slightly below a wheel center of the wheel; the suspension trailing arm is fixed on the axle housing and is hinged with the vehicle body through a trailing arm pin shaft; the spring is arranged between the axle housing and the support; the damper is positioned at the rear of the wheel; and the damper is arranged between the axle housing and the support. The device can be successfully applied on the special low-speed vehicle. A double-damping system is adopted. The damping performance of the suspension is improved.
Description
Technical field
The invention belongs to low speed special-use vehicle field, be specifically related to a kind of Double-damping single trailing arm independent suspension.
Background technology
Vehicle suspension can be divided into independent suspension and the large class of dependent suspension two by the guiding mechanism form, the independent suspension major advantage is to allow wheel that larger jitter space is arranged, and spring is also programmable softer, tire ground connection property is good, ride comfort is good, but complex structure, cost are high, are mainly used on car, at part light coach, lorry and cross-country car, and employing is arranged also on some Luxury coachs; Independent suspension mainly contains the forms such as single swing arm type, single trailing arm type, single oblique arm type, trailing arm torsion bar type, double wish-bone arm type, multi-rod, traveller link-type.For improving reliability, should adopt the steel plate spring type dependent suspension; For improving traveling comfort, should adopt independent suspension; Low speed class vehicle in particular cases, vehicle bridge is directly installed rigid suspension.
For low speed special vehicle class, its size is less, and arrangement space is nervous, and the selection of suspension form should lay particular emphasis on rigid suspension and steel plate spring type dependent suspension.But low-speed vehicle can not all adopt rigid suspension again, loses suddenly adhesive ability otherwise certain wheel can occur, and the situation of traffic accidents occurs.
Summary of the invention
The objective of the invention is to address the above problem and a kind of Double-damping single trailing arm independent suspension is provided.This device can successful application on the low speed special vehicle, and adopt the double damping system, improved the damping property of suspension.
The technical solution adopted in the present invention is:
A kind of Double-damping single trailing arm independent suspension, comprise vehicle body, wheel, axle housing and bearing, described bearing is connected with vehicle body by bolt, described axle housing is connected with wheel, also comprise suspension trailing arm, spring and bumper, described suspension trailing arm is positioned at wheel the place ahead, its height is in wheel disk location on the lower side, described suspension trailing arm is fixed on axle housing, and hinged by trailing arm bearing pin and vehicle body, described spring fitting is between axle housing and bearing, and described bumper is positioned at the wheel rear, and described bumper is arranged between axle housing and bearing.
Further, described suspension trailing arm is fixed on axle housing by the mode of welding, and described suspension trailing arm is the bifurcation structure form.
Preferably, the material of described suspension trailing arm is the high-intensity welding steel.
Further, be fixed with the bumper upper bracket on described bearing, be fixed with the bumper undersetting on described axle housing, described bumper is arranged between bumper upper bracket and bumper undersetting by the bumper bearing pin.
Further, described bumper upper bracket is fixed on described bearing by the mode of welding, and described bumper undersetting is fixed on axle housing by the mode of welding.
Preferably, described spring adopts vertically and arranges, spring center line place's installation pilot bar.
Further, described pilot bar is Collapsible structure.
further, described pilot bar comprises guide rod and pilot sleeve, and described leader casing is connected in pilot sleeve, between described guide rod and pilot sleeve, sliding sleeve is installed, and described guide rod and pilot sleeve are fixed by seal ring and nut, plain radial bearing is adopted at the two ends up and down of described pilot bar, described guide rod upper end is the stepped shaft structure, the plain radial bearing lower surface of described stepped shaft structure and upper end coordinates, and pass through fluted nut, pressure ring and spring cotter are fixed, described fluted nut and pressure ring coordinate with the Internal and external cycle end face of the plain radial bearing of upper end respectively, described fluted nut is connected with the guide rod upper end, between the fluting of described guide rod and fluted nut, spring cotter is installed, weld upper bracket of the spring on described bearing, described upper bracket of the spring has interior counterbore, the plain radial bearing outer ring periphery of the interior counterbore of described upper bracket of the spring and upper end coordinates installation, described guide rod is connected with upper bracket of the spring by the plain radial bearing of upper end, the plain radial bearing of described upper end is between guide rod and upper bracket of the spring, described pilot sleeve lower end is connected with spring lower support, and described spring lower support is by plain radial bearing and the journal stirrup hinge of axis pin of the spring and lower end, and described journal stirrup is welded on axle housing.
Further, described pilot sleeve lower end has outside thread, is spirally connected with spring lower support; Described guide rod upper end has screw thread, is spirally connected with fluted nut.
Further, described bearing top is equipped with cover plate, fixed pressure ring.
The present invention has the following advantages:
The present invention to the low speed special vehicle, prevents that wheel from losing suddenly the situation of adhesive ability with the successful application of single trailing arm type independent suspension, and actv. has guaranteed the safety of low-speed vehicle; The distinctive double damping of this device employing system utilizes bumper and spring, has greatly improved the damping property of suspension, has increased simultaneously the driver comfort of vehicle; Suspension trailing arm in this device adopts the bifurcation structure design, has improved the anti-twisting property of suspension trailing arm structure, and the pilot bar that spring center place's installation can be stretched prevents the spring unstability.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
A kind of Double-damping single trailing arm independent suspension intermediate axle shell that Fig. 1 provides for the embodiment of the present invention 1 and the structural representation of support;
A kind of Double-damping single trailing arm independent suspension medi-spring that Fig. 2 provides for the embodiment of the present invention 1 and the structural representation of bumper;
The structural representation of suspension trailing arm and vehicle body in a kind of Double-damping single trailing arm independent suspension that Fig. 3 provides for the embodiment of the present invention 1;
The structural representation of bumper upper bracket and bumper undersetting in a kind of Double-damping single trailing arm independent suspension that Fig. 4 provides for the embodiment of the present invention 1;
A kind of Double-damping single trailing arm independent suspension medi-spring that Fig. 5 provides for the embodiment of the present invention 1 and the structural representation of pilot bar;
Fig. 6 is the partial enlarged drawing at I place in Fig. 5;
The structural representation of suspension trailing arm in a kind of Double-damping single trailing arm independent suspension that Fig. 7 provides for the embodiment of the present invention 1.
The specific embodiment
Embodiment 1
Referring to figs. 1 through Fig. 3, this device is mounted in a kind of Double-damping single trailing arm independent suspension on low-speed vehicle, and low-speed vehicle mainly comprises vehicle body 7, wheel 28, axle housing 1 and bearing 3, and bearing 3 is connected with vehicle body 7 by bolt 4, and axle housing 1 is connected with wheel 28.With reference to Fig. 2 and Fig. 3, this device mainly comprises suspension trailing arm 8, spring 2 and bumper 5, and suspension trailing arm 8 is positioned at wheel 28 the place aheads, and its height is in wheel 28 core wheels location on the lower side, and suspension trailing arm 8 is welded on axle housing 1, and hinged by trailing arm bearing pin 9 and vehicle body 7.With reference to Fig. 7, suspension trailing arm 8 adopts the bifurcation structure forms, and material adopts the high-intensity welding steel plate, and with box-like closed cross-section welded structure.Suspension trailing arm 8 adopts the bifurcation structure design to strengthen the Joint strenght of suspension trailing arm 8 with vehicle body 7, improves lateral force resisting ability and the anti-twisting property of suspension trailing arm 8 structures.See figures.1.and.2, spring 2 is arranged between axle housing 1 and bearing 3.With reference to Fig. 2 and Fig. 4, bumper 5 is positioned at wheel 28 rears, be welded with bumper upper bracket 10 on bearing 3, be welded with bumper undersetting 12 on axle housing 1, described bumper 5 is arranged between bumper upper bracket 10 and bumper undersetting 12 by bumper bearing pin 11.With reference to Fig. 2, Fig. 5 and Fig. 6, spring 2 adopts vertically to be arranged, spring 2 centerline are installed pilot bar 6, and pilot bar 6 is Collapsible structure, makes it have longitudinal elasticity, coordinates with horizontal, the longitudinal elasticity of spring 2, guarantees that simultaneously spring 2 can unstability.Pilot bar 6 mainly comprises guide rod 16 and pilot sleeve 17, and guide rod 16 is socketed in pilot sleeve 17, between guide rod 16 and pilot sleeve 17, sliding sleeve 15 is installed, and guide rod 16 and pilot sleeve 17 are fixed by seal ring 13 and nut 14.Pilot bar adopts plain radial bearing 23 in two ends Shang Xia 6, and pilot bar 6 can be tilted in limited low-angle (3～5 °) scope, makes pilot bar 6 have transverse elasticity.guide rod 16 upper ends are the stepped shaft structure, plain radial bearing 23 lower surfaces of stepped shaft structure and upper end coordinate, and by fluted nut 25, pressure ring 24 and spring cotter 26 are fixed, fluted nut 25 and pressure ring 24 coordinate with the Internal and external cycle end face of the plain radial bearing 23 of upper end respectively, guide rod 16 upper ends have screw thread, be spirally connected with fluted nut 25, spring cotter 26 is installed between the fluting of guide rod 16 and fluted nut 25, welding upper bracket of the spring 22 on bearing 3, upper bracket of the spring 22 has interior counterbore, the interior counterbore of upper bracket of the spring 22 coordinates installation with the plain radial bearing of upper end 23 outer ring peripheries, guide rod 16 is connected with upper bracket of the spring 22 by the plain radial bearing 23 of upper end, the plain radial bearing 23 of upper end is between guide rod 16 and upper bracket of the spring 22.Be welded with journal stirrup 19 on axle housing 1, journal stirrup 19 is hinged with spring lower support 18 by spring pin 20 and plain radial bearing 23, and pilot sleeve 17 lower ends have outside thread, are spirally connected with spring lower support 18.Bearing 3 tops are equipped with cover plate 27, and cover plate 27 is used for fixing pressure ring 24, and protection plain radial bearing 23, play dustproof effect.
The present embodiment as different from Example 1, bearing 3 is mounting shock absorber upper bracket 10 not, mounting shock absorber undersetting 12 not on axle housing 1, bumper 5 is directly installed between axle housing 1 and bearing 3 by bumper bearing pin 11.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (3)
1. Double-damping single trailing arm independent suspension, comprise vehicle body, wheel, axle housing and bearing, described bearing is connected with vehicle body by bolt, described axle housing is connected with wheel, also comprise suspension trailing arm, spring and bumper, described suspension trailing arm is positioned at wheel the place ahead, its height is in wheel disk location on the lower side, described suspension trailing arm is fixed on axle housing, and hinged by trailing arm bearing pin and vehicle body, described spring fitting is between axle housing and bearing, described bumper is positioned at the wheel rear, described bumper is arranged between axle housing and bearing, described suspension trailing arm is fixed on axle housing by the mode of welding, described suspension trailing arm is the bifurcation structure form, the material of described suspension trailing arm is the high-intensity welding steel, be fixed with the bumper upper bracket on described bearing, be fixed with the bumper undersetting on described axle housing, described bumper is arranged between bumper upper bracket and bumper undersetting by the bumper bearing pin, described bumper upper bracket is fixed on described bearing by the mode of welding, described bumper undersetting is fixed on axle housing by the mode of welding, described spring adopts vertically and arranges, pilot bar is installed at spring center line place, described pilot bar is Collapsible structure, it is characterized in that, described pilot bar comprises guide rod and pilot sleeve, described leader casing is connected in pilot sleeve, between described guide rod and pilot sleeve, sliding sleeve is installed, described guide rod and pilot sleeve are fixed by seal ring and nut, plain radial bearing is adopted at the two ends up and down of described pilot bar, described guide rod upper end is the stepped shaft structure, the plain radial bearing lower surface of described stepped shaft structure and upper end coordinates, and pass through fluted nut, pressure ring and spring cotter are fixed, described fluted nut and pressure ring coordinate with the Internal and external cycle end face of the plain radial bearing of upper end respectively, described fluted nut is connected with the guide rod upper end, between the fluting of described guide rod and fluted nut, spring cotter is installed, weld upper bracket of the spring on described bearing, described upper bracket of the spring has interior counterbore, the plain radial bearing outer ring periphery of the interior counterbore of described upper bracket of the spring and upper end coordinates installation, described guide rod is connected with upper bracket of the spring by the plain radial bearing of upper end, the plain radial bearing of described upper end is between guide rod and upper bracket of the spring, described pilot sleeve lower end is connected with spring lower support, and described spring lower support is by plain radial bearing and the journal stirrup hinge of axis pin of the spring and lower end, and described journal stirrup is welded on axle housing.
2. Double-damping single trailing arm independent suspension according to claim 1, is characterized in that, described pilot sleeve lower end has outside thread, is spirally connected with spring lower support; Described guide rod upper end has screw thread, is spirally connected with fluted nut.
3. Double-damping single trailing arm independent suspension according to claim 1, is characterized in that, described bearing top is equipped with cover plate, fixed pressure ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110220683 CN102328561B (en) | 2011-08-03 | 2011-08-03 | Double-damping single trailing arm independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110220683 CN102328561B (en) | 2011-08-03 | 2011-08-03 | Double-damping single trailing arm independent suspension |
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| Publication Number | Publication Date |
|---|---|
| CN102328561A CN102328561A (en) | 2012-01-25 |
| CN102328561B true CN102328561B (en) | 2013-05-15 |
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| CN 201110220683 Active CN102328561B (en) | 2011-08-03 | 2011-08-03 | Double-damping single trailing arm independent suspension |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252985A (en) * | 2015-09-07 | 2016-01-20 | 北京航天发射技术研究所 | Suspension mechanism, mecanum wheel suspension assembly and mecanum wheel rack car |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815179B (en) * | 2012-09-04 | 2016-01-20 | 航天重型工程装备有限公司 | A kind of single trailing arm type independent suspension with hydro-pneumatic spring |
| CN102815247B (en) * | 2012-09-04 | 2015-09-23 | 航天重型工程装备有限公司 | A kind of quarry tipper |
| CN105459746B (en) * | 2015-11-09 | 2020-01-17 | 邱圣渊 | Independent rear suspension device of vehicle |
| CN109931033B (en) * | 2017-12-18 | 2024-03-26 | 中国石油化工股份有限公司 | Ball throwing device for well completion fixation |
| CN108925462A (en) * | 2018-09-04 | 2018-12-04 | 安徽标王农牧有限公司 | A kind of fixed frame fixed for baby chick placing frame |
| CN110978925B (en) * | 2019-12-31 | 2024-01-30 | 杭州极木科技有限公司 | Non-independent suspension system |
| CN110978926B (en) * | 2019-12-31 | 2024-02-23 | 杭州极木科技有限公司 | Multistage non-independent suspension system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0754575A3 (en) * | 1995-07-21 | 1997-10-15 | Rover Group | A semi-trailing arm rear suspension for a vehicle |
| CN200992122Y (en) * | 2006-12-31 | 2007-12-19 | 中国三江航天工业集团公司 | Spiral spring independent suspension frame device for steering bridge |
| CN102245408A (en) * | 2008-12-15 | 2011-11-16 | Zf腓德烈斯哈芬股份公司 | Semi-trailing arm axle for a motor vehicle |
-
2011
- 2011-08-03 CN CN 201110220683 patent/CN102328561B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0754575A3 (en) * | 1995-07-21 | 1997-10-15 | Rover Group | A semi-trailing arm rear suspension for a vehicle |
| CN200992122Y (en) * | 2006-12-31 | 2007-12-19 | 中国三江航天工业集团公司 | Spiral spring independent suspension frame device for steering bridge |
| CN102245408A (en) * | 2008-12-15 | 2011-11-16 | Zf腓德烈斯哈芬股份公司 | Semi-trailing arm axle for a motor vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252985A (en) * | 2015-09-07 | 2016-01-20 | 北京航天发射技术研究所 | Suspension mechanism, mecanum wheel suspension assembly and mecanum wheel rack car |
| CN105252985B (en) * | 2015-09-07 | 2018-02-09 | 北京航天发射技术研究所 | Suspension fork mechanism, Mecanum wheel suspended rack assembly and Mecanum wheel unwheeling |
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| Publication number | Publication date |
|---|---|
| CN102328561A (en) | 2012-01-25 |
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