CN104309430A - Single-shaft rubber suspension system - Google Patents
Single-shaft rubber suspension system Download PDFInfo
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- CN104309430A CN104309430A CN201410505046.9A CN201410505046A CN104309430A CN 104309430 A CN104309430 A CN 104309430A CN 201410505046 A CN201410505046 A CN 201410505046A CN 104309430 A CN104309430 A CN 104309430A
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- axletree
- suspension system
- rubber spring
- vehicle frame
- vehicle
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Abstract
The invention discloses a single-shaft rubber suspension system. The suspension system is used for connecting an axle with a frame, and comprises two groups of rubber spring systems which are symmetrically arranged between the axle and the frame. By applying the rubber spring systems to a vehicle suspension, a novel suspension system is provided for a vehicle, so that the problems of other suspension systems are solved, and the single-shaft rubber suspension system is high in practicality and great in market prospect.
Description
Technical field
The present invention relates to general goods carrying vehicle and trailer technical field, be specifically related to a kind of suspension system be applied on general goods carrying vehicle or trailer.
Background technology
Suspension system is one of important component part of vehicle, and it is the device of automobile Elastic ground connecting vehicle frame and axletree.It is generally made up of parts such as elastic element, guiding mechanism, bumpers, main task relaxes the shock-excitation being passed to vehicle frame by uneven road surface, the vibratory response of the bearing system that decay causes due to excitation, only have suspension system of good performance, guarantee automobile has good riding comfort, road-holding property and safe reliability.
Axle load that is unloaded due to goods carrying vehicle and at full load differs greatly, and for keeping car load to have metastable suspension natural frequency and good ride comfort under different loads, this just requires that suspension system has good nonlinear characteristic.And present goods carrying vehicle generally adopts plate spring suspension brackets, the rigidity of this structure is linear, and its natural frequency changes with load change, if realize the non-linear of suspension rate by increasing auxiliary spring, the nonspring carried mass of suspension will increase, and vibration is strengthened, reduces vehicle ride comfort.
In recent years, the Nonlinear Suspension System of Cross such as hydro pneumatic suspension and air suspension is applied gradually in goods carrying vehicle.Hydro pneumatic suspension is made up of hydro-pneumatic spring and guiding mechanism.Hydro-pneumatic spring has the characteristic of variation rigidity, and vehicle can be made to obtain lower natural frequency, to ensure good riding comfort.In addition, owing to having damping hole in hydro-pneumatic spring cylinder barrel, the function stoping vibration is had, so liquid damper can be saved.But hydro-pneumatic spring manufacturing cost is high, and need a set of special inflatable appliance in using, and regularly will inflate by certain operating instruction, maintaining comparatively bothers.Meanwhile, at work because of deflection and the poor sealing of oil cylinder axis, the easy scratch of oil cylinder inner surface.The main elastic element of air suspension is air bellow, and this spring also has stiffness variable elastic behavior, easily obtains lower natural frequency, makes vehicle obtain good riding comfort.But air bellow is compared with rubber spring, sealing part is more, easily leaks gas, and maintaining difficulty, volume are large, difficult arrangement.Simultaneously two kinds of above-mentioned suspension systems also all exist that manufacturing cost is high, operation cost is high, to defects such as load change comformability are not strong.
In addition, the single shaft suspension system of present trailer and goods carrying vehicle, can not produce the vibration of filtering ground well.Especially, when vehicle is by uneven road surface, the shock and vibration that vehicle is subject to are all very large, and this, by increasing the stressed of axletree, reduces its service life; And tire is also due to impact load etc., increase the wearing and tearing of tire, reduce its service life greatly.In addition, road surface also can increase the impact of vehicle in this case, manyly will increase the stressed of vehicle frame and vehicle chassis larger, affect the service life of vehicle chassis; Meanwhile, the ratio of institute's lade damage will be increased, the use cost of adding users.
Summary of the invention
The present invention is directed to the problem existing for single shaft suspension system of present trailer and goods carrying vehicle, its object is to provide a kind of novel single shaft suspension system, this system adopts rubber spring as elastic element, rubber spring system is formed with metal housing etc., realize nonlinear elasticity suspension frame structure, vehicle can be made in use to reduce the shock and vibration on road surface, and suspension system can be made to obtain most suitable suspension rate characteristic when car load is different, thus improve the stability of vehicle, safety, protect tire simultaneously, reduce wear on tyres, protection vehicle itself and the goods loaded.
In order to achieve the above object, the present invention adopts following technical scheme:
Single shaft rubber suspension system, described suspension system connects axletree and vehicle frame, and it comprises two groups of rubber spring systems, and described two groups of rubber spring symmetry system having symmetries are arranged between axletree and vehicle frame.
In a preferred version, described rubber spring system comprises rubber spring and metal housing, and described metal housing and rubber spring free-running fit form rubber spring system.
Further, described rubber spring and metal housing are all cylindrical or conical or other shape jar.
Further, the top of described rubber spring system is connected to vehicle frame by frame brackets, and bottom is connected to axletree by axletree bearing.
In another preferred version, described suspension system also comprises Liang Zu lower thrust rod mechanism, and Liang Zu lower thrust rod mechanism is symmetricly set between axletree and vehicle frame, and connects axletree and vehicle frame respectively.
Further, described Mei Zu lower thrust rod mechanism comprises a lower thrust rod and frame hanger, and described lower thrust rod is longitudinal relative to axletree to be arranged below axletree, and its one end is by axle shank and axletree bottom connection; The other end is connected with vehicle frame by frame hanger.Like this to bear longitudinal force, ensure that axletree is in correct set traveling attitude.
In another preferred version, described suspension system also comprises one group of upper thrust rod mechanism, and described upper thrust rod organization establishes is above axletree, and its one end is connected with corresponding axletree by axletree pylon, and the other end is connected with vehicle frame by frame brackets.
Further, described upper thrust rod mechanism comprises two upper thrust rods, described two upper thrust rods are symmetrical arranged, one end of two upper thrust rods is connected with the middle part of axletree by same axletree pylon, the other end of two upper thrust rods connects with vehicle frame respectively by frame brackets, form v-shaped structure, make two upper thrust rods and corresponding axletree vertical and horizontal all shape have a certain degree, ensure that vehicle most optimally bears various transverse force and longitudinal force, ensure the set traveling attitude that axletree keeps correct further.
In another preferred version, described suspension system also comprises two shock absorbers, and described two shock absorbers are symmetrical set on vehicle frame both sides relative to axletree, and the two ends of every root shock absorber connect with vehicle frame and axletree respectively.
By rubber spring system and frame brackets; and the single shaft rubber suspension system of axletree bearing composition; adopt rubber spring as elastic element; rubber spring system is formed with metal housing etc.; realize nonlinear elasticity suspension frame structure; vehicle can be made in use to reduce the shock and vibration on road surface; and suspension system can be made to obtain most suitable suspension rate characteristic when car load is different; thus improve stability, the safety of vehicle; protect tire simultaneously; reduce wear on tyres, protection vehicle itself and the goods loaded.
This programme makes the single shaft suspension system of trailer and goods carrying vehicle have non-linear rubber suspension characteristic, to applying working condition and load adaptation strong, vehicle zero load, underloading traveling comfort and security requirement can be met, and meet heavy duty, fully loaded stability, security requirement; Under this suspension can also alleviate various road conditions, road surface is to the impact of vehicle, improves the service life of vehicle chassis; Meanwhile, protection institute lade, reduces the ratio of cargo damage, reduces the use cost of user.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is front view of the present invention.
Fig. 2 is birds-eye view of the present invention.
Fig. 3 is back view of the present invention.
Fig. 4 is the structural representation of rubber spring system in the present invention.
Fig. 5 is the structural representation that in the present invention, rubber spring system is connected with vehicle frame, axletree.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
The present invention is directed to the single shaft suspension system in present trailer and goods carrying vehicle, by rubber spring system and frame brackets, and axletree bearing composition single shaft rubber suspension system, adopt rubber spring as elastic element, rubber spring system is formed with metal housing etc., realize nonlinear elasticity suspension frame structure, meet vehicle zero load, underloading traveling comfort and security requirement, meet heavy duty, fully loaded stability, security requirement simultaneously.
Accordingly, as shown in Figure 1 to Figure 3, it mainly comprises two groups of rubber spring systems 100 to suspension system of the present invention.These two groups of rubber spring systems 100 are symmetricly set between axletree 500 and vehicle frame 600, specifically be positioned at axletree 500 two ends near the position of wheel 700, the top often organizing rubber spring system 100 is fixedly connected by frame brackets 101 and vehicle frame 600, and its bottom is fixedly connected near the position of wheel 700 by axletree bearing 102 and axletree 500.By the nonlinear elasticity performance of rubber spring, form nonlinear elasticity suspension frame structure and replace existing linear rigidity suspension frame structure, realize vehicle zero load, the requirement of underloading traveling comfort with this, meet heavy duty, fully loaded stability requirement simultaneously, realize the optimal combination of light car traveling comfort and stability of loaded car.
See Fig. 4, it is depicted as the structural representation of rubber spring system 100 in this programme.As seen from the figure, this rubber spring system 100 comprises rubber spring 103 and metal housing 104.Wherein rubber spring 103 entirety is a solid rubber cylinder, and the center of the two ends end face of this rubber spring 103 is respectively arranged with connecting bore 103a, 103b.This connecting bore 103a, 103b are used for being connected with metal housing 104, meanwhile, can also be improved elasticity and the restorability of rubber spring 103 by connecting bore 103a, 103b further, improve service life and the effect of rubber spring 103.
For the ease of connecting, the inner side of connecting bore 103a, 103b can be provided with corresponding connecting thread as required.
The rubber spring 103 formed thus, its two ends pressurized deformable produces elastic force, and the generation of this elastic force is non-linear; And when pressure at two ends disappears, restore to the original state immediately.
Metal housing 104 is split-type structural, for covering rubber spring 103 from upper and lower two ends and surrounding, to protect and spacing to the rubber spring 103 in it.This metal housing 104 mainly comprises outer cover 104a and base plate 104b on.
Wherein go up outer cover 104a overall for cross-sectional plane be U-shaped cylindrical, the center of inside top is provided with a connection limited post 104c, this connection limited post 104c matches with the connecting bore 103a in the middle of rubber spring 103, this connection limited post 104c is hollow structure simultaneously, this hollow structure matches with with=frame brackets 101, connect for the ease of coordinating with frame brackets 101, the hollow wall of the connection limited post 104c of hollow structure is provided with negative thread.
Thus, on this, outer cover 104a (also can not be adopted by the threaded of the limited post 104c inside it and the connecting bore 103a on rubber spring 103 as required and be spirally connected, upper outer cover 104a is directly assigned into by the limited post 104c inside it in connecting bore 103a on rubber spring 103), outer cover 104a piece cover is made to be located on rubber spring 103, inside top connects with the top of rubber spring 103, there is between the lateral wall of sidewall and rubber spring 103 certain gap 105, namely go up between the sidewall of outer cover 104a and the lateral wall of rubber spring 103 and adopt free-running fit, the maximum deformation quantity be out of shape to surrounding by 105 pairs, this gap rubber spring 103 is limited.
The degree of depth simultaneously going up outer cover 104a is less than the length of rubber spring 103, and diff-H between the two, for rubber spring 103 can by the maximum compressed, the deformability of itself and rubber spring 103 itself and the gap 105 between rubber spring 103 and upper outer cover 104a corresponding.
Base plate 104b entirety is a circular metal plate, its size matches with the port of upper outer cover 104a, and base plate 104b is provided with one with the center of the end face of rubber spring 103 joint is connected limited post 104d, this connection limited post 104d matches with the connecting bore 103b in the middle of rubber spring 103, is specially a thread rod.
This base plate 104b (also can not be adopted by the connecting bore 103b threaded connecting limited post 104d and rubber spring 103 bottom as required and be spirally connected, base plate 104b is directly assigned in the connecting bore 103b on rubber spring 103 by the connection limited post 104d inside it), base plate 104b is connected with the bottom of the rubber spring 103 be placed in upper outer cover 104a, its annular port along limit with upper outer cover 104a stretched out outside rubber spring 103 coordinates, and rubber spring 103 can be undertaken spacing by the maximum compressed.
See Fig. 5, the rubber spring system 100 formed thus, is connected with vehicle frame 600 by frame brackets 101, and the top of frame brackets 101 is fixed on vehicle frame 600 by bolt 601, coordinates connect bottom it with outer cover 104a upper in rubber spring system 100.
Meanwhile, rubber spring system 100 is connected with axletree by axle shank 102, and one end of this axle shank 102 adopts welding manner to be fixed on axletree 500, and the other end connects with the base plate 104b in rubber spring system 100.
Rubber spring system 100 operationally, rubber spring 103 first stress deformation, the deflection of rubber spring 103 increases along with the increase of load, when behind the gap 105 that rubber spring 103 deflection is full of between rubber spring 103 and metal housing 104, rubber spring 103 starts to contact with the sidewall of metal housing 104, produces new stress deformation relation.This deformation relationship, produce nonlinear elastic deformation, namely the variation relation of suspension flexibility and load is nonlinear, load hour, elasticity is little, and when load is large, the corresponding increase of elasticity, when making underloading vehicle in travelling suffered road shocks and vibration reduce as far as possible, and obtain better stability during heavy duty.
Simultaneously in the whole working process of rubber spring system 100, upper outer cover 104a in metal housing 104 and base plate 104b is respectively by the spacing effect of the connection limited post on it, outer cover 104a and between base plate 104b and rubber spring 103, relative sliding occurs in effective prevention, make to remain fixing between metal housing 104 and rubber spring 103, effectively ensure the steadiness of rubber spring system 100.
On the basis of such scheme, native system also sets up two shock absorbers 400 in above-mentioned single shaft suspension system, as shown in the figure, these two shock absorbers 400 are symmetrically distributed in vehicle frame 600 the right and left, the two ends of its every root shock absorber 400 are connected with axletree and vehicle frame respectively by bolt, make shock absorber 400 vertical with vehicle frame 600, and be parallel to rubber spring system 100.Two shock absorbers 400 arranged thus itself have damping vibration attenuation characteristic.Cross hole when vehicle or cross bank, during axletree bob, shock absorber alleviates the impact on vehicle and goods such as road vibration by playing damping vibration attenuation effect, and protection vehicle and goods, improve vehicle riding comfort.
In order to enable whole single shaft rubber suspension system more ideally practical function, on the basis of above-mentioned primary element, this programme also sets up the track bar mechanism bearing longitudinal force suffered by axletree and transverse force in single shaft suspension system, and this track bar mechanism is arranged between axletree and vehicle frame.
This track bar mechanism to be matched by one group of upper thrust rod mechanism 300 and Liang Zu lower thrust rod mechanism 200 primarily of setting and forms, and ensures the abundant realization of described functional advantage.
Be symmetricly set between axletree and vehicle frame see Fig. 1, Liang Zu lower thrust rod mechanism 200, and connect axletree 500 and vehicle frame 600 respectively.
Wherein, Mei Zu lower thrust rod mechanism 200 comprises a lower thrust rod 201, frame hanger 202 and axle shank 203, lower thrust rod 201 is longitudinal relative to axletree 500 to be arranged below axletree, its one end is by axle shank 203 and axletree bottom connection, and concrete connection location is relative with the rubber spring system 100 on axletree; The other end is connected with vehicle frame 600 by frame hanger 202.By frame hanger 202 and axle shank 203 with coordinate, lower thrust rod 201 is positioned horizontally in below axletree 500, is parallel to vehicle frame, and vertical with axletree.
The lower thrust rod formed thus bears the longitudinal force suffered by axletree, when vehicle is from static starting or braking, ground propulsive effort or brake resistance will be delivered to axletree by wheel, the lower thrust rod group of vertical equity layout is passed to again by axle shank, then frame hanger is delivered to, under the lower thrust rod scantling of structure restriction of vertical equity layout and the common guarantee of stressed supporting, to ensure the tram of axletree, ensure the correct traveling of vehicle.Under different operating mode and condition of road surface also will bear in lower thrust rod mechanism, the various longitudinal forces produced in the middle of vehicle travels.Ensure that axletree is in correct set traveling attitude.
See Fig. 2 and Fig. 3, in order to coordinate with lower thrust rod mechanism 200, upper thrust rod mechanism 300 integral level is arranged on above axletree and between vehicle frame, and its two ends connect with axletree 500 and vehicle frame 600 respectively.
This upper thrust rod mechanism 300 mainly comprises two upper thrust rods 303,304, axletree pylon 301 and two frame brackets 302.
Two upper thrust rods 303, 304 horizontal symmetrical are arranged, one end of two upper thrust rods is connected with the middle part of axletree by same axletree pylon 301, the other end of two upper thrust rods connects with vehicle frame respectively by frame brackets 301 simultaneously, connect and adopt rubber bush structure and bolt fixed mode to carry out, form symmetrical v-shaped structure thus, make two upper thrust rods and corresponding axletree vertical and horizontal all shape have a certain degree, like this transverse force and longitudinal force can be born simultaneously, though be vehicle start or braking time, or the transverse force occurred in the middle of vehicle travels and longitudinal force, upper thrust rod group all can be born, further guarantee axletree keeps correct set traveling attitude.
When vehicle launch or braking, due to inertia, vehicle's center of gravity is incited somebody to action backward or inertia motion forward, force of inertia will be transferred to axletree from vehicle frame by upper and lower propelling rod, at this moment upper and lower propelling rod will work, and bear force of inertia backward or forward, ensure the correct enforcement attitude of vehicle.And when the vehicle is turning, the force of inertia acting on vehicle's center of gravity will outwards pull vehicle due to inertia, at this moment upper thrust rod will bear the force of inertia passed over from vehicle frame, and to ensure the set traveling attitude that vehicle is correct, what guarantee vehicle was correct passes through bend.
For optimizing upper thrust rod mechanism 300 connection structure further, upper thrust rod group on axletree adopts and is symmetrical arranged, its scantling of structure calculates according to actual vehicle applicable cases and space deployment scenarios, the layout angle of accurate setting and the length of side, to realize optimized stressed effect, ensure that vehicle has optimized strained condition, ensures axletree path of motion, improves anti-roll capability.
Make trailer and goods carrying vehicle operationally according to the native system that technique scheme obtains, under alleviating various road conditions, road surface is to the impact of vehicle, improves the service life of vehicle chassis; Reduce the wearing and tearing of tire, increase its service life.Meanwhile, protection institute lade, reduces the ratio of cargo damage, reduces the use cost of user.
This suspension system has more and reduces user operation cost, to applying working condition and the strong feature of load adaptation.
More than show and describe groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (9)
1. single shaft rubber suspension system, described suspension system connects axletree and vehicle frame, and it is characterized in that, described suspension system comprises two groups of rubber spring systems, and described two groups of rubber spring symmetry system having symmetries are arranged between axletree and vehicle frame.
2. single shaft rubber suspension system according to claim 1, is characterized in that, described rubber spring system comprises rubber spring and metal housing, and described metal housing and rubber spring free-running fit form rubber spring system.
3. single shaft rubber suspension system according to claim 2, is characterized in that, described rubber spring and metal housing are all cylindrical or conical or other shape jar.
4. single shaft rubber suspension system according to claim 2, is characterized in that, the top of described rubber spring system is connected to vehicle frame by frame brackets, and bottom is connected to axletree by axletree bearing.
5. single shaft rubber suspension system according to claim 1, is characterized in that, described suspension system also comprises Liang Zu lower thrust rod mechanism, and Liang Zu lower thrust rod mechanism is symmetricly set between axletree and vehicle frame, and connects axletree and vehicle frame respectively.
6. single shaft rubber suspension system according to claim 5, it is characterized in that, described Mei Zu lower thrust rod mechanism comprises a lower thrust rod and frame hanger, and described lower thrust rod is longitudinal relative to axletree to be arranged below axletree, and its one end is by axle shank and axletree bottom connection; The other end is connected with vehicle frame by frame hanger.
7. single shaft rubber suspension system according to claim 1, it is characterized in that, described suspension system also comprises one group of upper thrust rod mechanism, described upper thrust rod organization establishes is above axletree, its one end is connected with corresponding axletree by axletree pylon, and the other end is connected with vehicle frame by frame brackets.
8. single shaft rubber suspension system according to claim 7, it is characterized in that, described upper thrust rod mechanism comprises two upper thrust rods, described two upper thrust rods are symmetrical arranged, one end of two upper thrust rods is connected with the middle part of axletree by same axletree pylon, the other end of two upper thrust rods connects with vehicle frame respectively by frame brackets, forms v-shaped structure, make two upper thrust rods and corresponding axletree vertical and horizontal all shape have a certain degree.
9. single shaft rubber suspension system according to claim 1, it is characterized in that, described suspension system also comprises two shock absorbers, and described two shock absorbers are symmetrical set on vehicle frame both sides relative to axletree, and the two ends of every root shock absorber connect with vehicle frame and axletree respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505046.9A CN104309430A (en) | 2014-09-26 | 2014-09-26 | Single-shaft rubber suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505046.9A CN104309430A (en) | 2014-09-26 | 2014-09-26 | Single-shaft rubber suspension system |
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| Publication Number | Publication Date |
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| CN104309430A true CN104309430A (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410505046.9A Pending CN104309430A (en) | 2014-09-26 | 2014-09-26 | Single-shaft rubber suspension system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE865013A (en) * | 1977-03-19 | 1978-07-17 | Clouth Gummiwerke Ag | SPRING DEVICE |
| GB2136530A (en) * | 1983-02-18 | 1984-09-19 | Wallace G Chalmers | Springs |
| CN2537582Y (en) * | 2002-04-30 | 2003-02-26 | 株洲时代新材料科技股份有限公司 | Non-linear rolling ring rubber spring |
| DE10352077A1 (en) * | 2003-11-07 | 2005-06-09 | Volkswagen Ag | Rubber spring for use with vibration dampers has tubular rubber body fitted at top with cap, to which metal rod is attached which passes through body |
| CN201362148Y (en) * | 2008-11-28 | 2009-12-16 | 陕西同力重工有限公司 | Equalizer suspension structure |
| CN204222572U (en) * | 2014-09-26 | 2015-03-25 | 上海途通汽车配件有限公司 | Single shaft rubber suspension system |
-
2014
- 2014-09-26 CN CN201410505046.9A patent/CN104309430A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE865013A (en) * | 1977-03-19 | 1978-07-17 | Clouth Gummiwerke Ag | SPRING DEVICE |
| GB2136530A (en) * | 1983-02-18 | 1984-09-19 | Wallace G Chalmers | Springs |
| CN2537582Y (en) * | 2002-04-30 | 2003-02-26 | 株洲时代新材料科技股份有限公司 | Non-linear rolling ring rubber spring |
| DE10352077A1 (en) * | 2003-11-07 | 2005-06-09 | Volkswagen Ag | Rubber spring for use with vibration dampers has tubular rubber body fitted at top with cap, to which metal rod is attached which passes through body |
| CN201362148Y (en) * | 2008-11-28 | 2009-12-16 | 陕西同力重工有限公司 | Equalizer suspension structure |
| CN204222572U (en) * | 2014-09-26 | 2015-03-25 | 上海途通汽车配件有限公司 | Single shaft rubber suspension system |
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Application publication date: 20150128 |