CN105059074A - Suspension limiting stopper with overload protection function, suspension system and vehicle - Google Patents
Suspension limiting stopper with overload protection function, suspension system and vehicle Download PDFInfo
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- CN105059074A CN105059074A CN201510566074.6A CN201510566074A CN105059074A CN 105059074 A CN105059074 A CN 105059074A CN 201510566074 A CN201510566074 A CN 201510566074A CN 105059074 A CN105059074 A CN 105059074A
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- limiting device
- suspension
- device seat
- rubber block
- protection function
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Abstract
The invention discloses a suspension limiting stopper with an overload protection function, a suspension system and a vehicle. The suspension limiting stopper with the overload protection function comprises a box-shaped limiting stopper seat (11) with one end opened and a rubber block (12). One end of the rubber block (12) is arranged in the limiting stopper seat (11), and the other end of the rubber block (12) is located outside the limiting stopper seat (11). When the suspension limiter bears the overload, the rubber block (12) can be pressed into the limiting stopper seat (11). The suspension limiting stopper can bear the overload and can conduct limiting effectively, and it is ensured that the limiting stopper cannot be damaged. In addition, the suspension limiting stopper is simple in structure and low in manufacturing and processing cost, the service life of the limiting stopper can be effectively prolonged under the premise that the requirement for smoothness of the suspension system is met, and the reliability and safety of the suspension system are improved.
Description
Technical field
The present invention relates to vehicle suspension field, particularly, relate to and a kind ofly there is the suspension limiting device of overload protection function and there is suspension system and the vehicle of this limiting device.
Background technology
A new generation's cross-country chassis of superduty many employings double cross arm independent suspension system, because using, the speed of a motor vehicle on the cross-country chassis of superduty is higher, off-road capability is stronger, cause in use, the suspension limiting device work times on chassis significantly increases, and therefore improves limiting device life requirements.
It is large that the fully loaded axle load on superduty chassis is large, sky is fully loaded with load change when changing, and is converted at full load by zero load, needs to rely on limiting device bear larger impact load and carry out spacing to suspension guide mechanism.
And when this superduty chassis also requires to use railway transportation, for ensureing that transportation safety and car load height do not transfinite, car load height need be reduced by height-adjusting system, causing limiting device to be squeezed for a long time.
Especially; superduty chassis requires that suspension system has higher reliability, safety; when elastic element lost efficacy; it is also effectively spacing that limiting device need can bear overload; ensure that limiting device self is not damaged; and existing limiting device does not all possess overload protection function, such as, rubber limiting stopper in the rear suspension inhibiting device of heavy motor vehicle disclosed in patent CN203793060U.Therefore, need to design a kind of limiting device adapting to above-mentioned requirements.
Summary of the invention
The object of this invention is to provide the suspension limiting device that a kind of structure simply has overload protection function, it is also effectively spacing that this device can bear overload, ensures that limiting device self is not damaged.
To achieve these goals; the invention provides a kind of suspension limiting device with overload protection function; comprise limiting device seat and the rubber block of the box-like of open at one end; one end of described rubber block is arranged in described limiting device seat; the other end of described rubber block is positioned at outside described limiting device seat; when described suspension limiting device bears overload, described rubber block can be pressed in described limiting device seat.
Preferably, described rubber block is connected with the sulfuration of described limiting device seat.
Preferably, the inner chamber bottom surface of described limiting device seat is provided with installation base, described installation base protrudes from the inner chamber bottom surface of described limiting device seat, described rubber block is provided with the groove coordinated with described installation base.
Further preferably, the bottom surface of described limiting device seat offers tapped bore, described tapped bore runs through the bottom surface of described limiting device seat and described installation base.
Preferably, between the inner chamber side of described limiting device seat and the end face of limiting device seat opening end, be provided with chamfering, to form the spatial accommodation of the described rubber block after compression.
Preferably, the shape of described limiting device seat is rectangular box body, described rubber block comprises the truncated rectangular pyramids structure that is connected with described limiting device seat and the tetragonous cone table structure with described truncated rectangular pyramids anatomical connectivity, described tetragonous cone table part is positioned at outside described limiting device seat, and described tetragonous cone table is along reducing gradually from described limiting device seat to the direction cross-sectional area limiting device seat.
Preferably, described tetragonous cone table is positioned at the end face of described limiting device seat outer end is the curved surface that edge is protruded from described limiting device seat to the direction limiting device seat.
Preferably, the seamed edge of described tetragonous cone table is all set to fillet.
Compared with prior art; the suspension limiting device with overload protection function provided by the invention is by arranging limiting device seat and one end is arranged in limiting device seat, the other end protrudes from limiting device seat rubber block; when wheel is jumped; lower cross arm contacts and compressing rubber block gradually; rubber block is increasingly compressed to the limit, realizes suspension spacing.When the spring (hydro-pneumatic spring) be connected with suspension entablatrance lost efficacy, axle weight is all passed to limiting device, limiting device bears overload, rubber block is compressed in limiting device, limiting device edge and lower cross arm rigid contact, realize reliably spacing, therefore this device can bear overload and effectively spacing, and ensures that limiting device self is not damaged.
Another object of the present invention is to provide a kind of suspension system, and suspension system can be made to possess overload protection function.
In order to achieve the above object, suspension system provided by the invention comprises wheels assembly, vehicle frame, two ends respectively with described wheels assembly and the hinged lower cross arm of described vehicle frame, two ends respectively with described wheels assembly and the hinged Top Crossbeam of described vehicle frame, and lower end is hinged on the spring on described Top Crossbeam, described Top Crossbeam is positioned at the top of described lower cross arm, described Top Crossbeam and lower cross arm form by two support arms are hinged, the hinge-point place of two support arms of the Top Crossbeam of lower end between described wheels assembly and described vehicle frame of described spring, the upper surface of described lower cross arm is provided with spacing plane, described vehicle frame has the salient protruded to the space between described Top Crossbeam and lower cross arm, the lower surface of described salient is provided with the above-mentioned suspension limiting device with overload protection function, the rubber block of described suspension limiting device can with described spacing plane contact, the upper surface of described salient is provided with the stop screw that can contact with the downside of described Top Crossbeam.
Another object of the present invention is to provide a kind of vehicle possessing overload protection function.
In order to achieve the above object, a kind of vehicle provided by the invention, comprises above-mentioned suspension system.
Described suspension system and vehicle possess identical advantage with the above-mentioned suspension limiting device with overload protection function relative to prior art, do not repeat them here.
Below in conjunction with accompanying drawing, detailed description is made to the specific embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 the present invention has the structural representation (analysing and observe) of the suspension limiting device of overload protection function;
Fig. 2 is the block diagram that the present invention has the limiting device seat of the suspension limiting device of overload protection function;
Fig. 3 is the block diagram that the present invention has the rubber block of the suspension limiting device of overload protection function;
Fig. 4 is the structural representation of suspension system of the present invention;
Fig. 5 is the suspension limiting device mounting structure schematic diagram that the present invention has overload protection function, and wherein Fig. 1 is the cutaway view along A-A direction in Fig. 5;
Reference numeral:
1-spring; 2-Top Crossbeam; 3-stop screw; 4-suspension limiting device; 5-vehicle frame; 6-lower cross arm; 7-wheels assembly; 8-wheel; 9-bolt; 10-spring washer; 11-limiting device seat; 12-rubber block.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality of use such as " upper and lower, left and right " typically refers to orientation when suspension limiting device normally uses, consistent with the orientation represented in Fig. 4, " inside and outside " is for limiting device seat, refers to inner chamber and the outside of limiting device seat.The above-mentioned noun of locality defines for the ease of understanding the present invention, does not have restriction effect to protection scope of the present invention.
With reference to Fig. 1-Fig. 3; as the embodiment on a kind of basis of the present invention; the suspension limiting device that the present invention has an overload protection function comprises limiting device seat 11 and the rubber block 12 of the box-like of open at one end; one end of described rubber block 12 is arranged in described limiting device seat 11; the other end of described rubber block 12 is positioned at outside described limiting device seat 11; when described suspension limiting device bears overload, described rubber block 12 can be pressed in described limiting device seat 11.
Limiting device seat 11 in the present invention adopts the rigid material such as alloy steel to make, to improve its non-deformability.
Suspension limiting device of the present invention is arranged on the support that vehicle frame provides by bolt, installation site is corresponding with the spacing planimetric position of suspension lower cross arm, and when wheel is jumped, lower cross arm contacts and the rubber block 12 of compression limiter gradually, be compressed to the limit, spacing to realize suspension.
After in the present invention, the case type structures of limiting device seat 11 can ensure that rubber block 12 comes off, case type structures carries out spacing to suspension guide mechanism, guarantees that car load rolls safety, protection elastic element.
In the present invention, described rubber block 12 can adopt multiple with the connection mode of limiting device seat 11, and as bonding or bolt connection etc., in the present invention, preferred described rubber block 12 is connected with the sulfuration of described limiting device seat 11.
In order to improve the Joint strenght between rubber block 12 and limiting device seat 11, the inner chamber bottom surface of described limiting device seat 11 is provided with installation base, installation base and limiting device seat 11 are structure as a whole, described installation base protrudes from the inner chamber bottom surface of described limiting device seat 11, described rubber block 12 is provided with the groove coordinated with described installation base.By arranging installation base, the area of contact of rubber block 12 and described limiting device seat 11 (comprising installation base) can be increased further, thus increase sulfurating strength, avoid rubber block 12 to come off in limiting device seat 11.
In one embodiment of the invention, the bottom surface of described limiting device seat 11 offers tapped bore, described tapped bore runs through the bottom surface of described limiting device seat 11 and described installation base, thus provides the mounting interface of suspension limiting device.It will be appreciated by those skilled in the art that limiting device of the present invention also can adopt existing conventional method of attachment to connect, as welding, riveted joint etc.
In one embodiment of the invention, in order to avoid rubber block continue to be sheared, extrude time damage, and when guaranteeing that limiting device bears overload rubber block not by pressure break, chamfering is provided with, to form the spatial accommodation of the described rubber block 12 after compression between the inner chamber side of described limiting device seat 11 and the end face of limiting device seat 11 opening end.Wherein said chamfering can be set to the rounded corner of straight chamfering or indent according to the shape difference of rubber block.The inner chamber side of wherein said limiting device seat 11 refers to the side of annular in limiting device seat 11.The described chamfering at limiting device seat inner ring place is large scale chamfering, its size by with rubber block amount of compression matching primitives.The space that described chamfering is formed is as the spatial accommodation after rubber block 12 compression, and avoid in limiting device working process, rubber block 12 is compressed between limiting device seat end face and lower cross arm plane, continues to cause rubber block 12 early-age crack by shearing, extruding.When chassis is converted at full load by zero load, limiting device bears greater impact load, in the railway transport course of chassis; car load height reduction; limiting device is in compressive state for a long time, and because above-mentioned limiting device structure can protect rubber block, therefore rubber block there will not be cracking phenomena.
Further preferably, described limiting device seat 11 is rectangular box body, described rubber block 12 comprises the truncated rectangular pyramids structure that is connected with described limiting device seat 11 and the tetragonous cone table structure with described truncated rectangular pyramids anatomical connectivity, described tetragonous cone table part is positioned at outside described limiting device seat 11, and described tetragonous cone table reduces along in described limiting device seat 11 gradually to the direction cross-sectional area limiting device seat 11.
In present embodiment, rubber block 12 profile and limiting device seat 11 adapt, and upper end is cuboid, and lower end is for being designed to tetragonous cone table structure.Upper end rectangular structure ensures, with the area of contact of limiting device seat 11, to guarantee sulfurating strength; Lower end is tetragonous cone table structure, reduces rubber volume, makes rubber block 12 compress rear deflection and limiting device seat 11 spatial adaptation.Wherein the rigidity of rubber block is by carrying out mating determining with axle load and elastic element rigidity.
Preferably, the end face that described tetragonous cone table is positioned at described limiting device seat 11 outer end is the curved surface (curved surface of evagination) that edge is protruded from described limiting device seat 11 to the direction limiting device seat 11, during to realize the spacing plane contact on rubber block 12 with lower cross arm, area of contact is increased gradually by little, thus reaches the object of noise decrease.
Further, the seamed edge of described tetragonous cone table is all set to fillet (i.e. seamed edge rounding), avoids rubber block 12 by pressure break further.
Limiting device seat 11 energy available protecting rubber block 12 in the present invention, under the operating modes such as large load impacting, long-time Repeated Compression, guarantees that rubber block 12 does not damage; Rubber block 12 is high with the sulfurating strength of limiting device seat 11, and after avoiding long-time use, rubber block 12 comes off.And this limiting device structure is simple, manufacture tooling cost low, while guarantee suspension system ride comfort requires, effectively can improve the service life of limiting device, improve the reliability of suspension system, safety.
In yet another embodiment of the present invention, additionally provide a kind of suspension system, as shown in Figure 4, Figure 5, this suspension system comprises wheels assembly 7, vehicle frame 5, two ends and is hinged on spring 1 on described Top Crossbeam 2 respectively with described wheels assembly 7 and the hinged lower cross arm 6 of described vehicle frame 5, two ends respectively with described wheels assembly 7 and the hinged Top Crossbeam 2 of described vehicle frame 5 and lower end.Spring 1 is hydro-pneumatic spring.Described Top Crossbeam 2 is positioned at the top of described lower cross arm 6, described Top Crossbeam 2 and lower cross arm 6 form by two support arms are hinged, the lower end of described spring 1 is positioned at the hinge-point place of two support arms of Top Crossbeam 2, the upper surface of described lower cross arm 6 is provided with spacing plane, described vehicle frame 5 has the salient protruded to the space between described Top Crossbeam 2 and lower cross arm 6, the lower surface of described salient is provided with the suspension limiting device 4 with overload protection function, the rubber block 12 of described suspension limiting device 4 can with described spacing plane contact, the upper surface of described salient is provided with the stop screw 3 that can contact with the downside of described Top Crossbeam 2.
Wherein to be that the elastic element of suspension is double do damping element to hydro-pneumatic spring, concrete, hydro-pneumatic spring is connected by hinge with Top Crossbeam 2, Top Crossbeam 2 is connected by hinge with vehicle frame 5, lower cross arm 6 is connected by hinge with vehicle frame 5, Top Crossbeam 2, lower cross arm 6 are connected with wheels assembly 7, wheel 8 is connected with wheels assembly, stop screw 3 is connected with vehicle frame and realizes lower limiting function as suspension lower caging device, and limiting device 4 is connected (as shown in Figure 5) with the salient of vehicle frame by bolt 9, spring washer 10.
Present invention also offers a kind of vehicle, there is above-mentioned suspension system.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. one kind has the suspension limiting device of overload protection function; it is characterized in that; comprise limiting device seat (11) and the rubber block (12) of the box-like of open at one end; one end of described rubber block (12) is arranged in described limiting device seat (11); the other end of described rubber block (12) is positioned at described limiting device seat (11) outward; when described suspension limiting device bears overload, described rubber block (12) can be pressed in described limiting device seat (11).
2. the suspension limiting device with overload protection function according to claim 1, is characterized in that, described rubber block (12) is connected with the sulfuration of described limiting device seat (11).
3. the suspension limiting device with overload protection function according to claim 2; it is characterized in that; the inner chamber bottom surface of described limiting device seat (11) is provided with installation base; described installation base protrudes from the inner chamber bottom surface of described limiting device seat (11), described rubber block (12) is provided with the groove coordinated with described installation base.
4. the suspension limiting device with overload protection function according to claim 3; it is characterized in that; the bottom surface of described limiting device seat (11) offers tapped bore, and described tapped bore runs through the bottom surface of described limiting device seat (11) and described installation base.
5. the suspension limiting device with overload protection function as claimed in any of claims 1 to 4; it is characterized in that; chamfering is provided with, to form the spatial accommodation of the described rubber block (12) after compression between the inner chamber side of described limiting device seat (11) and the end face of limiting device seat (11) opening end.
6. the suspension limiting device with overload protection function according to claim 5; it is characterized in that; described limiting device seat (11) is rectangular box body; described rubber block (12) comprises the truncated rectangular pyramids structure that is connected with described limiting device seat (11) and the tetragonous cone table structure with described truncated rectangular pyramids anatomical connectivity; described tetragonous cone table part is positioned at described limiting device seat (11) outside, and described tetragonous cone table reduces along in described limiting device seat (11) gradually to the direction cross-sectional area limiting device seat (11).
7. the suspension limiting device with overload protection function according to claim 6; it is characterized in that, the end face that described tetragonous cone table is positioned at described limiting device seat (11) outer end is the curved surface that edge is protruded from described limiting device seat (11) to the direction limiting device seat (11).
8. the suspension limiting device with overload protection function according to claim 6, it is characterized in that, the seamed edge of described tetragonous cone table is all set to fillet.
9. a suspension system, it is characterized in that, comprise wheels assembly (7), vehicle frame (5), two ends respectively with described wheels assembly (7) and the hinged lower cross arm (6) of described vehicle frame (5), two ends respectively with described wheels assembly (7) and the hinged Top Crossbeam (2) of described vehicle frame (5), and lower end is hinged on the spring (1) on described Top Crossbeam (2), described Top Crossbeam (2) is positioned at the top of described lower cross arm (6), described Top Crossbeam (2) and lower cross arm (6) form by two support arms are hinged, the lower end of described spring (1) is positioned at the hinge-point place of two support arms of the Top Crossbeam (2) between described wheels assembly (7) and described vehicle frame (5), the upper surface of described lower cross arm (6) is provided with spacing plane, described vehicle frame (5) has the salient protruded to the space between described Top Crossbeam (2) and lower cross arm (6), the lower surface of described salient is provided with as the suspension limiting device (4) with overload protection function in claim 1-8 as described in any one, the rubber block (12) of described suspension limiting device (4) can with described spacing plane contact, the upper surface of described salient is provided with the stop screw (3) that can contact with the downside of described Top Crossbeam (2).
10. a vehicle, is characterized in that, comprises suspension system as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566074.6A CN105059074B (en) | 2015-09-08 | 2015-09-08 | suspension limiter, suspension system and vehicle with overload protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566074.6A CN105059074B (en) | 2015-09-08 | 2015-09-08 | suspension limiter, suspension system and vehicle with overload protection function |
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| Publication Number | Publication Date |
|---|---|
| CN105059074A true CN105059074A (en) | 2015-11-18 |
| CN105059074B CN105059074B (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510566074.6A Active CN105059074B (en) | 2015-09-08 | 2015-09-08 | suspension limiter, suspension system and vehicle with overload protection function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356183A (en) * | 2019-07-17 | 2019-10-22 | 北京航天发射技术研究所 | A kind of big stroke height-adjusting system on super-heavy load chassis |
| CN110834506A (en) * | 2019-11-06 | 2020-02-25 | 湖北航天技术研究院特种车辆技术中心 | Suspension second grade stop device, suspension limit structure and oil gas suspension |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0806310A2 (en) * | 1996-05-11 | 1997-11-12 | MAN Nutzfahrzeuge Aktiengesellschaft | Independent suspension for a steered air suspended wheel of a bus or lorry |
| CN1281407A (en) * | 1997-12-12 | 2001-01-24 | 荷兰新维国际有限公司 | Independent front suspension |
| JP2001322413A (en) * | 2000-05-16 | 2001-11-20 | Kinugawa Rubber Ind Co Ltd | Rubber stopper |
| US20020109327A1 (en) * | 2001-02-09 | 2002-08-15 | Sean Timoney | Hydro-pneumatic suspension system |
| JP2007276660A (en) * | 2006-04-07 | 2007-10-25 | Hino Motors Ltd | Bound stopper structure for suspension device |
| CN101195332A (en) * | 2006-12-06 | 2008-06-11 | 北京航天发射技术研究所 | Hydro-pneumatic spring independent suspension and heavy-duty car adopting the suspension frame |
-
2015
- 2015-09-08 CN CN201510566074.6A patent/CN105059074B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0806310A2 (en) * | 1996-05-11 | 1997-11-12 | MAN Nutzfahrzeuge Aktiengesellschaft | Independent suspension for a steered air suspended wheel of a bus or lorry |
| CN1281407A (en) * | 1997-12-12 | 2001-01-24 | 荷兰新维国际有限公司 | Independent front suspension |
| JP2001322413A (en) * | 2000-05-16 | 2001-11-20 | Kinugawa Rubber Ind Co Ltd | Rubber stopper |
| US20020109327A1 (en) * | 2001-02-09 | 2002-08-15 | Sean Timoney | Hydro-pneumatic suspension system |
| JP2007276660A (en) * | 2006-04-07 | 2007-10-25 | Hino Motors Ltd | Bound stopper structure for suspension device |
| CN101195332A (en) * | 2006-12-06 | 2008-06-11 | 北京航天发射技术研究所 | Hydro-pneumatic spring independent suspension and heavy-duty car adopting the suspension frame |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110356183A (en) * | 2019-07-17 | 2019-10-22 | 北京航天发射技术研究所 | A kind of big stroke height-adjusting system on super-heavy load chassis |
| CN110834506A (en) * | 2019-11-06 | 2020-02-25 | 湖北航天技术研究院特种车辆技术中心 | Suspension second grade stop device, suspension limit structure and oil gas suspension |
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| CN105059074B (en) | 2018-02-02 |
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