CN104827842B - Suspension system and vehicle - Google Patents
Suspension system and vehicle Download PDFInfo
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- CN104827842B CN104827842B CN201410277663.8A CN201410277663A CN104827842B CN 104827842 B CN104827842 B CN 104827842B CN 201410277663 A CN201410277663 A CN 201410277663A CN 104827842 B CN104827842 B CN 104827842B
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Abstract
The invention provides a kind of suspension system and vehicle.Suspension system includes：At least three vehicle bridge, at least three vehicle bridge include the first bridge, the second bridge and the 3rd bridge that are arranged in order in the first direction；Leaf spring, leaf spring is multiple, and multiple leaf springs are upside down in vehicle bridge.Because multiple leaf springs are inverted, so that the spring carried mass of suspension system includes a part of quality of vehicle frame and leaf spring, and nonspring carried mass is mainly made up of another part quality of wheel, vehicle bridge and leaf spring, namely increased spring carried mass, have adjusted nonspring carried mass and the ratio of spring carried mass while nonspring carried mass is reduced, so as to the vibration performance that improve suspension system, the impact resistance that improve vehicle and the ride performance that improves vehicle.Meanwhile, the present invention in suspension system also have simple structure, low cost of manufacture the characteristics of.
Description
Technical field
The present invention relates to Vehicle Engineering technical field, more particularly, to a kind of suspension system and vehicle.
Background technology
At present in the suspension system with leaf spring, particularly vehicle bridge is at least in the suspension system of three, spring
Steel plate is pressed normal operating condition (side long is in upper, short side under) and is set in suspension systems.
In the suspension system, spring carried mass is mainly disposed on the vehicle frame on suspension system, and nonspring carried mass master
Will be including these main parts of wheel, vehicle bridge and steel spring plate.When the spring carried mass of vehicle is smaller rather than spring charge material
When amount is very big, vehicle is travelled in the case of bumpy sections, and leaf spring takes long enough to absorb the energy of vibration, vehicle body
Can teetertotter more than, there are problems that vibration performance is poor, impact resistance is weak, traveling so as to cause vehicle.
The content of the invention
The present invention is intended to provide a kind of suspension system and vehicle, to solve to be led because nonspring carried mass is excessive in the prior art
Vehicle is caused to there is a problem of the problems such as vibration performance is poor, impact resistance is weak, traveling is unstable.
In order to solve the above technical problems, according to an aspect of the invention, there is provided a kind of suspension system, including：At least
Three vehicle bridge, at least three vehicle bridge include the first bridge, the second bridge and the 3rd bridge that are arranged in order in the first direction；Leaf spring,
Leaf spring is multiple, and multiple leaf springs are upside down in vehicle bridge.
Further, leaf spring is four, and four leaf springs are divided into：First group of leaf spring, first group of steel plate bullet
Spring includes two leaf springs, and two leaf springs are symmetricly set on the both sides of vehicle bridge；Second group of leaf spring, second group of steel plate
Spring includes two leaf springs, and two leaf springs are symmetricly set on the both sides of vehicle bridge；Wherein, first group of leaf spring and
Two groups of leaf springs are arranged in order in the first direction, and first group of leaf spring and second group of leaf spring are correspondingly arranged in first
On bridge, the second bridge and the 3rd bridge.
Further, leaf spring is asymmetric leaf spring.
Further, where support center when vehicle frame is supported with every group of leaf spring perpendicular to the vertical of first direction
Plane is the length of boundary, first paragraph and second segment of the leaf spring including the length direction segmentation along leaf spring, and first paragraph
Less than the length of second segment.
Further, the length of the every a piece of steel plate of leaf spring and the corresponding steel plate in second segment in first paragraph
The length ratio of the every a piece of steel plate of spring is consistent.
Further, the length of first paragraph and the length ratio of second segment are 1 to 2.
Further, the first paragraph of each leaf spring in first group of leaf spring connects with the first bridging；First group of steel
The second segment of each leaf spring in flat spring connects with the second bridging, and of each leaf spring in second group of leaf spring
Two sections connect with the second bridging；The first paragraph of each leaf spring in second group of leaf spring connects with the 3rd bridging.
Further, suspension system also includes：Second bridge rocking arm, the second bridge rocking arm is pivotably connected with the second bridge；The
One guide pad, the first guide pad is arranged on the second bridge rocking arm, and the first guide pad has curved support face, the support of curved support face
The second segment of the leaf spring in first group of leaf spring；Second guide pad, the second guide pad is arranged on the second bridge rocking arm, the
Two guide pads have curved support face, and curved support face supports the second segment of the leaf spring in second group of leaf spring.
Further, suspension system also includes：First bridge rocking arm, the first end of the first bridge rocking arm is with the first bridge pivotly
Connection；First bridge rocker arm support, the first bridge rocker arm support is connected with vehicle frame, and the first bridge rocker arm support and the first bridge rocking arm
Two ends are pivotably connected；3rd guide pad, the 3rd guide pad is arranged on the first bridge rocking arm, and the 3rd guide pad has arc branch
Support face, curved support face supports the first paragraph of the leaf spring in first group of leaf spring.
Further, suspension system also includes：3rd bridge rocking arm, the first end of the 3rd bridge rocking arm is with the 3rd bridge pivotly
Connection；3rd bridge rocker arm support, the 3rd bridge rocker arm support is connected with vehicle frame, and the 3rd bridge rocker arm support and the 3rd bridge rocking arm
Two ends are pivotably connected；4th guide pad, the 4th guide pad is arranged on the 3rd bridge rocking arm, and the 4th guide pad has arc branch
Support face, curved support face supports the first paragraph of the leaf spring in second group of leaf spring.
Further, suspension system also includes：First bridge distance rod erection fixture, the first bridge distance rod erection fixture is two,
Two the first bridge distance rod erection fixtures are symmetricly set on the both sides of vehicle bridge, and the first bridge distance rod erection fixture is located at the first bridge and second
Between bridge, and the upper end of the first bridge distance rod erection fixture is connected with the leaf spring in first group of leaf spring；First bridge is balanced
Axle, the two ends of the first bridge balance shaft correspond with two the first bridge distance rod erection fixtures and are pivotably connected；3rd bridge thrust
Bar mounting bracket, the 3rd bridge distance rod erection fixture is two, and two the 3rd bridge distance rod erection fixtures are symmetricly set on the both sides of vehicle bridge,
3rd bridge distance rod erection fixture is located between the 3rd bridge and the second bridge, and the upper end of the 3rd bridge distance rod erection fixture and second group of steel
Leaf spring connection in flat spring；Installed with two the 3rd bridge distance rods at 3rd bridge balance shaft, the two ends of the 3rd bridge balance shaft
Frame is corresponded and is pivotably connected.
Further, suspension system also includes：First bridge lower thrust rod, first end and first bridge of the first bridge lower thrust rod
The lower end connection of distance rod erection fixture, the second end and first bridging of the first bridge lower thrust rod connect；3rd bridge lower thrust rod, the 3rd
The first end of bridge lower thrust rod is connected with the lower end of the 3rd bridge distance rod erection fixture, second end and the 3rd of the 3rd bridge lower thrust rod
Bridging connects；Second bridge lower thrust rod, the first end of the second bridge lower thrust rod is connected with the lower end of the 3rd bridge distance rod erection fixture, the
Second end of two bridge lower thrust rods connects with the second bridging.
Further, suspension system also includes：First bridge upper thrust rod, first end and first bridge of the first bridge upper thrust rod
Balance shaft is connected, and the second end and first bridging of the first bridge upper thrust rod connect；3rd bridge upper thrust rod, the 3rd bridge upper thrust rod
First end is connected with the 3rd bridge balance shaft, and the second end and the 3rd bridging of the 3rd bridge upper thrust rod connect；Second bridge upper thrust rod, the
The first end of two bridge upper thrust rods is connected with the 3rd bridge balance shaft, and the second end and second bridging of the second bridge upper thrust rod connect.
Further, suspension system also includes the balance shaft support being connected with vehicle frame, and balance shaft support is multiple, the first bridge
Balance shaft support is provided with balance shaft and the 3rd bridge balance shaft.
Further, suspension system also includes the limited post for limiting axle tramp amount, and limited post is multiple, multiple limit
Position post is arranged in vehicle bridge straight up.
According to another aspect of the present invention, there is provided a kind of vehicle, including suspension system, suspension system is above-mentioned hanging
Frame system.
At least three vehicle bridge in the present invention include the first bridge, the second bridge and the 3rd bridge that are arranged in order in the first direction,
Leaf spring is multiple, and multiple leaf springs are upside down in vehicle bridge.Because multiple leaf springs are inverted, so that suspension
The spring carried mass of system includes a part of quality of vehicle frame and leaf spring, and nonspring carried mass is main by wheel, vehicle bridge and steel
Another part quality of flat spring is constituted, that is, be increased while nonspring carried mass is reduced spring carried mass, have adjusted it is non-
The ratio of spring carried mass and spring carried mass, so as to improve suspension system vibration performance, improve vehicle impact resistance and
Improve the ride performance of vehicle.Meanwhile, the suspension system in the present invention also has simple structure, the spy of low cost of manufacture
Point.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate, for explaining the present invention, not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates the structural representation of the suspension system in the present invention；
Fig. 2 diagrammatically illustrates the front view of Fig. 1；
Fig. 3 diagrammatically illustrates the top view of Fig. 2；
The suspension system that Fig. 4 is diagrammatically illustrated in the present invention is in the state diagram under a certain operating mode；
The suspension system that Fig. 5 is diagrammatically illustrated in the present invention is in the state diagram under another operating mode；
Fig. 6 diagrammatically illustrates the partial enlarged drawing at P in Fig. 2；And
Fig. 7 diagrammatically illustrates the partial enlarged drawing at M in Fig. 2.
Reference in figure：10th, vehicle bridge；11st, the first bridge；12nd, the second bridge；13rd, the 3rd bridge；20th, leaf spring；21st,
One section；22nd, second segment；30th, the second bridge rocking arm；31st, the first bridge rocking arm；32nd, the first bridge rocker arm support；33rd, the 3rd guide pad；
34th, the 3rd bridge rocking arm；35th, the 3rd bridge rocker arm support；36th, the 4th guide pad；40th, the first bridge distance rod erection fixture；41st, the first bridge
Balance shaft；42nd, the 3rd bridge distance rod erection fixture；43rd, the 3rd bridge balance shaft；50th, the first bridge lower thrust rod；51st, pushed away under the 3rd bridge
Power bar；52nd, the second bridge lower thrust rod；53rd, the first bridge upper thrust rod；54th, the 3rd bridge upper thrust rod；55th, the second bridge upper thrust rod；
60th, balance shaft support；70th, limited post.
Specific embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Multitude of different ways with covering is implemented.
As the first aspect of the invention, there is provided a kind of suspension system.As shown in Figures 1 to 7, suspension system includes
At least three vehicle bridge 10 and leaf spring 20, the first bridge 11 that at least three vehicle bridge 10 include being arranged in order in the first direction, the
Two bridges 12 and the 3rd bridge 13；Leaf spring 20 is multiple, and multiple leaf springs 20 are upside down in vehicle bridge 10.It is heretofore described
Leaf spring 20 be inverted refer to leaf spring 20 situation of the short side on side upper, long under.Because multiple leaf springs 20 are equal
It is inverted, so that a part of quality of the spring carried mass of suspension system including vehicle frame and leaf spring 20, and nonspring carried mass
Mainly it is made up of another part quality of wheel, vehicle bridge 10 and leaf spring 20, that is, while nonspring carried mass is reduced
Increased spring carried mass, have adjusted nonspring carried mass and the ratio of spring carried mass, so as to improve suspension system vibration performance,
Improve the impact resistance of vehicle and improve the ride performance of vehicle.Meanwhile, the suspension system in the present invention also has knot
Structure is simple, low cost of manufacture the characteristics of.Certainly, most quality of the suspension system light plate spring 20 in the present invention belongs to
Spring carried mass, only fraction quality belong to nonspring carried mass, that is, reduce nonspring carried mass as far as possible, it is ensured that vehicle
Ride performance.
Preferably, leaf spring 20 is four, and four 20 points of leaf springs are first group of leaf spring and second group of steel plate
Spring, first group of leaf spring includes two leaf springs 20, and two leaf springs 20 are symmetricly set on the both sides of vehicle bridge 10；The
Two groups of leaf springs include two leaf springs 20, and two leaf springs 20 are symmetricly set on the both sides of vehicle bridge 10；Wherein, first
Group leaf spring is arranged in order in the first direction with second group of leaf spring, and first group of leaf spring and second group of leaf spring
It is correspondingly arranged on the first bridge 11, the second bridge 12 and the 3rd bridge 13.By taking three bridge suspension systems as an example, the first bridge 11 is propons, the
Two bridges 12 are jackshaft, the 3rd bridge 13 is back axle.Three general bridge suspension systems at least need to use six leaf springs, that is,
Every three leaf springs are one group, and two groups of leaf springs are separately positioned on the both sides of vehicle bridge.Due to the suspension system in the present invention
Can just meet use requirement using only four leaf springs 20, thus be effectively reduced the quality of jib system, so that
Vehicle more lightweight, while helping to reduce integral vehicle cost, and ensures that the intensity of suspension system is not affected.
Leaf spring 20 in the present invention is asymmetric leaf spring.According to the concrete condition of vehicle bridge 10, from suitable
Quantity leaf spring 20, and rationally set asymmetric leaf spring concrete structure, intensity, enable to vehicle bridge 10
Per part uniform force, so as to the vibration performance and impact resistance of suspension system is effectively ensured, and suspension system is prevented effectively from
Place's stress concentration easy fracture, and then extend the service life of suspension system, improve the driver comfort of vehicle.
In preferred embodiment as shown in Fig. 2, Fig. 4 and Fig. 5, in support when vehicle frame is supported with every group of leaf spring 20
The perpendicular perpendicular to first direction where the heart is boundary, and leaf spring 20 includes splitting along the length direction of leaf spring 20
First paragraph 21 and second segment 22, and first paragraph 21 length less than second segment 22 length.
Preferably, in first paragraph 21 length of the every a piece of steel plate of leaf spring 20 with corresponding in second segment 22
The length ratio of the every a piece of steel plate of leaf spring 20 is consistent.Further, the length of the length of first paragraph 21 and second segment 22
Ratio is 1 to 2.
Preferably, the first paragraph 21 of each leaf spring 20 in first group of leaf spring is connected with the first bridge 11；First
The second segment 22 of each leaf spring 20 in group leaf spring is connected with the second bridge 12, each steel in second group of leaf spring
The second segment 22 of flat spring 20 is connected with the second bridge 12；The first paragraph 21 of each leaf spring 20 in second group of leaf spring with
3rd bridge 13 is connected.It is subject to two active forces of leaf spring 20 simultaneously due to the second bridge 12, thus to ensure the first bridge 11, the
Shock loading that two bridges 12 and the same time of the 3rd bridge 13 are subject to balance, it is necessary to make leaf spring 20 near the of the second bridge 12
Two section 22 is more long than first paragraph 21, when the length of first paragraph 21 is 1 to 2 with the length ratio of second segment 22, the first bridge 11, second
The shock loading that the same time of 12 and the 3rd bridge of bridge 13 is subject to is balanced, and so as to improve the vibration performance of suspension system, is protected
The ride comfort of vehicle traveling is demonstrate,proved.
Suspension system in the present invention also includes the second bridge rocking arm 30, the first guide pad and the second guide pad, and the second bridge shakes
Arm 30 is pivotably connected with the second bridge 12；First guide pad is arranged on the second bridge rocking arm 30, and the first guide pad has arc
Supporting surface, curved support face supports the second segment 22 of the leaf spring 20 in first group of leaf spring；Second guide pad is arranged on
On second bridge rocking arm 30, the second guide pad has curved support face, and curved support face supports the steel plate in second group of leaf spring
The second segment 22 (refer to Fig. 2, Fig. 4 and Fig. 5) of spring 20.Certainly, the second bridge rocking arm 30 and the second bridge 12 can also the companies of fixation
Connect.Due to the leaf spring 20 in 22, first group of leaf spring of second segment of the leaf spring 20 in second group of leaf spring
Second segment 22 is movably arranged on the second bridge rocking arm 30, hereby it is ensured that two groups of freedoms of motion of leaf spring 20, so that
Ensure that the vibration performance of suspension system.
Preferably, suspension system also includes the first bridge rocking arm 31, the first bridge rocker arm support 32 and the 3rd guide pad 33, first
The first end of bridge rocking arm 31 is pivotably connected with the first bridge 11；The first bridge rocker arm support 32 is connected with vehicle frame, and the first bridge
Rocker arm support 32 is pivotably connected with the second end of the first bridge rocking arm 31；3rd guide pad 33 is arranged on the first bridge rocking arm 31
On, the 3rd guide pad 33 has a curved support face, and curved support face supports the of the leaf spring 20 in first group of leaf spring
One section 21 (refer to Fig. 1 to Fig. 7).Because the first bridge 11 passes through the first bridge rocking arm 31 and the first bridge rocker arm support 32 pivotly
Connection, thus when the first bridge 11 occur vibration force leaf spring 20 to deform, the first bridge 11 bear longitudinal loading (vehicle
The load of direction of advance) when, the first bridge rocking arm 31 can produce the deflection of certain angle relative to the first bridge 11, so as to remain
First bridge rocker arm support 32 is set perpendicular to vehicle frame, and then ensures vehicle stationarity in the process of moving.Due to the 3rd guiding
The first paragraph 21 of the curved support face supporting steel plate spring 20 of block 33, thus the 3rd guide pad 33 plays support to leaf spring 20
With the effect of motion guide, it is prevented effectively from the bridge rocking arm 31 of leaf spring 20 and first and in turn results in steel because shaking instantaneous colliding with
The problem that 20 or first bridge rocking arm of flat spring 31 is damaged, so as to improve the damping performance of leaf spring 20, is prevented effectively from steel plate
The contact wear of 20 and first bridge rocking arm of spring 31.
Preferably, suspension system also includes the 3rd bridge rocking arm 34, the 3rd bridge rocker arm support 35 and the 4th guide pad 36, the 3rd
The first end of bridge rocking arm 34 is pivotably connected with the 3rd bridge 13；3rd bridge rocker arm support 35 is connected with vehicle frame, and the 3rd bridge shakes
Arm support 35 is pivotably connected with the second end of the 3rd bridge rocking arm 34；4th guide pad 36 is arranged on the 3rd bridge rocking arm 34,
4th guide pad 36 has curved support face, and curved support face supports the first paragraph of the leaf spring 20 in second group of leaf spring
21 (refer to Fig. 1 to Fig. 7).Because the 3rd bridge 13 is pivotly connected by the 3rd bridge rocking arm 34 with the 3rd bridge rocker arm support 35
Connect, thus when the 3rd bridge 13 occurs that vibration forces leaf spring 20 to deform, the 3rd bridge 13 bears longitudinal loading (before vehicle
Enter the load in direction) when, the 3rd bridge rocking arm 34 can produce the deflection of certain angle relative to the 3rd bridge 13, so as to remain the
Three bridge rocker arm supports 35 are set perpendicular to vehicle frame, and then ensure vehicle stationarity in the process of moving.Due to the 4th guide pad
The first paragraph 21 of 36 curved support face supporting steel plate spring 20, thus the 4th guide pad 36 leaf spring 20 is played support and
The effect of motion guide, is prevented effectively from the bridge rocking arm 34 of leaf spring 20 and the 3rd and in turn results in steel plate because shaking instantaneous colliding with
The problem that spring 20 or the 3rd bridge rocking arm 34 are damaged, so as to improve the damping performance of leaf spring 20, is prevented effectively from steel plate bullet
Spring 20 and the contact wear of the 3rd bridge rocking arm 34.
Suspension system in the present invention also includes that the first bridge distance rod erection fixture 40, the first bridge balance shaft 41, the 3rd bridge are pushed away
Power bar mounting bracket 42 and the 3rd bridge balance shaft 43, the first bridge distance rod erection fixture 40 are two, and two the first bridge distance rods are installed
Frame 40 is symmetricly set on the both sides of vehicle bridge 10, and the first bridge distance rod erection fixture 40 is located between the first bridge 11 and the second bridge 12, and
The upper end of the first bridge distance rod erection fixture 40 is connected with the leaf spring 20 in first group of leaf spring；First bridge balance shaft 41
Two ends correspond with two the first bridge distance rod erection fixtures 40 and are pivotably connected；3rd bridge distance rod erection fixture 42 is two
Individual, two the 3rd bridge distance rod erection fixtures 42 are symmetricly set on the both sides of vehicle bridge 10, and the 3rd bridge distance rod erection fixture 42 is located at the
Between three bridges 13 and the second bridge 12, and the leaf spring in the upper end of the 3rd bridge distance rod erection fixture 42 and second group of leaf spring
20 connections；The two ends of the 3rd bridge balance shaft 43 correspond with two the 3rd bridge distance rod erection fixtures 42 and are pivotably connected.The
The one side of one bridge distance rod erection fixture 40 plays a part of supporting steel plate spring 20, on the other hand plays the first bridge balance shaft of connection
41 effect, when the both sides unbalance stress of the first bridge 11, load can be distributed in the first bridge 11 by the first bridge balance shaft 41
Both sides, it is excessive and cause vehicle that security incident or the fracture of the first bridge 11 etc. occur so as to be prevented effectively from 11 liang of side loads of the first bridge difference
Problem.Similarly, the effect of the 3rd bridge distance rod erection fixture 42 and the 3rd bridge balance shaft 43 and the first bridge distance rod erection fixture 40
Effect with the first bridge balance shaft 41 is similar.
As shown in Figures 1 to 5 preferred embodiment in, suspension system also include the first bridge lower thrust rod the 50, the 3rd
The bridge lower thrust rod 52 of bridge lower thrust rod 51 and second, the first end of the first bridge lower thrust rod 50 and the first bridge distance rod erection fixture 40
Lower end connection, the second end of the first bridge lower thrust rod 50 is connected with the first bridge 11；The first end of the 3rd bridge lower thrust rod 51 with
The lower end connection of the 3rd bridge distance rod erection fixture 42, the second end of the 3rd bridge lower thrust rod 51 is connected with the 3rd bridge 13；Second bridge
The first end of lower thrust rod 52 is connected with the lower end of the 3rd bridge distance rod erection fixture 42, the second end of the second bridge lower thrust rod 52 with
Second bridge 12 is connected.Assuming that vehicle drives for the 3rd bridge, thus when the vehicle is running, driving force is from the 3rd bridge 13 through under the 3rd bridge
Distance rod 51, the 3rd bridge distance rod erection fixture 42, the second bridge lower thrust rod 52, the second bridge 12, the steel near the side of the first bridge 11
Flat spring 20, the first bridge distance rod erection fixture 40 and the first bridge lower thrust rod 50 pass to the first bridge 11, so as to realize the 3rd bridge
13rd, the second bridge 12 and the first bridge 11 are synchronized with the movement.
Preferably, the first bridge lower thrust rod 50, the 3rd bridge lower thrust rod 51 and the second bridge lower thrust rod 52 are straight distance rods.
As shown in Figures 1 to 5 preferred embodiment in, suspension system also include the first bridge upper thrust rod the 53, the 3rd
The bridge upper thrust rod 55 of bridge upper thrust rod 54 and second, the first end of the first bridge upper thrust rod 53 is connected with the first bridge balance shaft 41,
Second end of the first bridge upper thrust rod 53 is connected with the first bridge 11；The first end of the 3rd bridge upper thrust rod 54 and the 3rd bridge balance shaft
43 connections, the second end of the 3rd bridge upper thrust rod 54 is connected with the 3rd bridge 13；The first end and the 3rd of the second bridge upper thrust rod 55
Bridge balance shaft 43 is connected, and the second end of the second bridge upper thrust rod 55 is connected with the second bridge 12.Assuming that vehicle drives for the 3rd bridge, because
And when the vehicle is running, driving force is from the 3rd bridge 13 through the 3rd bridge upper thrust rod 54, the 3rd bridge balance shaft 43, the second bridge lifting force
Bar 55, the second bridge 12, leaf spring 20, the first bridge distance rod erection fixture 40, the first bridge balance shaft near the side of the first bridge 11
41 and first bridge upper thrust rod 53 pass to the first bridge 11, so as to realize the synchronization of the 3rd bridge 13, the second bridge 12 and the first bridge 11
Motion.
Preferably, the first bridge upper thrust rod 53, the 3rd bridge upper thrust rod 54 and the second bridge upper thrust rod 55 are straight distance rods
And/or V-arrangement distance rod.
Suspension system in the present invention also includes the balance shaft support 60 being connected with vehicle frame, and balance shaft support 60 is multiple,
Balance shaft support 60 (refer to Fig. 1 and Fig. 3) is provided with first bridge balance shaft 41 and the 3rd bridge balance shaft 43.Due to first
The bridge balance shaft 43 of bridge balance shaft 41 and the 3rd is connected by balance shaft support 60 with vehicle frame, thus when the shock loading of vehicle frame both sides
When different, the first bridge balance shaft 41 and the 3rd bridge balance shaft 43 can effectively enable the load of the both sides of vehicle bridge 10 balance, so that
Ensure that the driving comfort of vehicle.
As shown in figures 1 and 3, suspension system also includes the limited post 70 for limiting the jerk value of vehicle bridge 10, limited post 70
It is multiple, multiple limited posts 70 are arranged in vehicle bridge 10 straight up.Due to being provided with limited post 70, it is thus possible to effectively limit
The jerk value of vehicle bridge processed 10, so as to the situation for avoiding vehicle bridge 10 that car body is clashed into because of overexercise occurs, so as to improve vehicle
Security.Leaf spring 20 in the present invention is in addition to it can bear vertical load, moreover it is possible to bear side force, and the side force is
Refer to that the generation of the side force is probably because road bump or car body are turned in the horizontal plane perpendicular to the power of leaf spring 20
Cause.
As the second aspect of the invention, there is provided a kind of vehicle.Vehicle includes suspension system, and suspension system is above-mentioned
Suspension system.Preferably, vehicle is crane.Should be using in the present invention particularly in tonnage automobile crane rear suspension
Suspension system.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (15)
1. a kind of suspension system, it is characterised in that including：
At least three vehicle bridge (10), at least three vehicle bridge (10) including be arranged in order in the first direction the first bridge (11),
Second bridge (12) and the 3rd bridge (13)；
Leaf spring (20), the leaf spring (20) is multiple, and multiple leaf springs (20) are upside down in the vehicle bridge
(10) on,
The leaf spring (20) is four, and four leaf springs (20) are divided into：
First group of leaf spring, first group of leaf spring includes two leaf springs (20), two steel plate bullets
Spring (20) is symmetricly set on the both sides of the vehicle bridge (10)；
Second group of leaf spring, second group of leaf spring includes two leaf springs (20), two steel plate bullets
Spring (20) is symmetricly set on the both sides of the vehicle bridge (10)；
Wherein, first group of leaf spring is arranged in order with second group of leaf spring along the first direction, and described
First group of leaf spring and second group of leaf spring are correspondingly arranged in first bridge (11), second bridge (12) and institute
State on the 3rd bridge (13),
The suspension system also includes：
First bridge distance rod erection fixture (40), the first bridge distance rod erection fixture (40) is two, and two first bridges are pushed away
Power bar mounting bracket (40) is symmetricly set on the both sides of the vehicle bridge (10), and the first bridge distance rod erection fixture (40) is positioned at described
Between first bridge (11) and second bridge (12), and the upper end of the first bridge distance rod erection fixture (40) with described first group
The leaf spring (20) connection in leaf spring；
First bridge balance shaft (41), the two ends of the first bridge balance shaft (41) and two the first bridge distance rod erection fixtures
(40) correspond and be pivotably connected.
2. suspension system according to claim 1, it is characterised in that the leaf spring (20) is asymmetric steel plate bullet
Spring.
3. suspension system according to claim 2, it is characterised in that with described in every group during leaf spring (20) support vehicle frame
Support center where the perpendicular perpendicular to the first direction be boundary, the leaf spring (20) is including along the steel
The first paragraph (21) and second segment (22) of the length direction segmentation of flat spring (20), and the length of the first paragraph (21) is less than institute
State the length of second segment (22).
4. suspension system according to claim 3, it is characterised in that the leaf spring in the first paragraph (21)
(20) length of every a piece of steel plate and the corresponding every a piece of steel of the leaf spring (20) in the second segment (22)
The length ratio of plate is consistent.
5. suspension system according to claim 3, it is characterised in that the length and the second segment of the first paragraph (21)
(22) length ratio is 1 to 2.
6. suspension system according to claim 3, it is characterised in that
The first paragraph (21) and first bridge of each leaf spring (20) in first group of leaf spring
(11) connect；
The second segment (22) and second bridge of each leaf spring (20) in first group of leaf spring
(12) connect, the second segment (22) and described second of each leaf spring (20) in second group of leaf spring
Bridge (12) is connected；
The first paragraph (21) and the 3rd bridge of each leaf spring (20) in second group of leaf spring
(13) connect.
7. suspension system according to claim 6, it is characterised in that the suspension system also includes：
Second bridge rocking arm (30), the second bridge rocking arm (30) is pivotably connected with second bridge (12)；
First guide pad, first guide pad is arranged on the second bridge rocking arm (30), and first guide pad has arc
Shape supporting surface, the curved support face supports the second segment of the leaf spring (20) in first group of leaf spring
(22)；
Second guide pad, second guide pad is arranged on the second bridge rocking arm (30), and second guide pad has arc
Shape supporting surface, the curved support face supports the second segment of the leaf spring (20) in second group of leaf spring
(22)。
8. suspension system according to any one of claim 1 to 7, it is characterised in that the suspension system also includes：
First bridge rocking arm (31), the first end of the first bridge rocking arm (31) is pivotably connected with first bridge (11)；
First bridge rocker arm support (32), the first bridge rocker arm support (32) is connected with vehicle frame, and the first bridge rocker arm support
(32) the second end with the first bridge rocking arm (31) is pivotably connected；
3rd guide pad (33), the 3rd guide pad (33) is arranged on the first bridge rocking arm (31), and the described 3rd is oriented to
Block (33) supports the leaf spring (20) in first group of leaf spring with curved support face, the curved support face
The first paragraph (21).
9. suspension system according to any one of claim 1 to 7, it is characterised in that the suspension system also includes：
3rd bridge rocking arm (34), first end and the 3rd bridge (13) of the 3rd bridge rocking arm (34) are pivotably connected；
3rd bridge rocker arm support (35), the 3rd bridge rocker arm support (35) is connected with vehicle frame, and the 3rd bridge rocker arm support
(35) the second end with the 3rd bridge rocking arm (34) is pivotably connected；
4th guide pad (36), the 4th guide pad (36) is arranged on the 3rd bridge rocking arm (34), and the described 4th is oriented to
Block (36) supports the leaf spring (20) in second group of leaf spring with curved support face, the curved support face
The first paragraph (21).
10. suspension system according to any one of claim 1 to 7, it is characterised in that the suspension system also includes：
3rd bridge distance rod erection fixture (42), the 3rd bridge distance rod erection fixture (42) is two, and two the 3rd bridges are pushed away
Power bar mounting bracket (42) is symmetricly set on the both sides of the vehicle bridge (10), and the 3rd bridge distance rod erection fixture (42) is positioned at described
Between 3rd bridge (13) and second bridge (12), and the upper end of the 3rd bridge distance rod erection fixture (42) with described second group
The leaf spring (20) connection in leaf spring；
3rd bridge balance shaft (43), the two ends of the 3rd bridge balance shaft (43) and two the 3rd bridge distance rod erection fixtures
(42) correspond and be pivotably connected.
11. suspension systems according to claim 10, it is characterised in that the suspension system also includes：
First bridge lower thrust rod (50), first end and the first bridge distance rod erection fixture of the first bridge lower thrust rod (50)
(40) lower end connection, the second end of the first bridge lower thrust rod (50) is connected with first bridge (11)；
3rd bridge lower thrust rod (51), first end and the 3rd bridge distance rod erection fixture of the 3rd bridge lower thrust rod (51)
(42) lower end connection, the second end of the 3rd bridge lower thrust rod (51) is connected with the 3rd bridge (13)；
Second bridge lower thrust rod (52), first end and the 3rd bridge distance rod erection fixture of the second bridge lower thrust rod (52)
(42) lower end connection, the second end of the second bridge lower thrust rod (52) is connected with second bridge (12).
12. suspension systems according to claim 10, it is characterised in that the suspension system also includes：
First bridge upper thrust rod (53), the first end of the first bridge upper thrust rod (53) is with the first bridge balance shaft (41) even
Connect, the second end of the first bridge upper thrust rod (53) is connected with first bridge (11)；
3rd bridge upper thrust rod (54), the first end of the 3rd bridge upper thrust rod (54) is with the 3rd bridge balance shaft (43) even
Connect, the second end of the 3rd bridge upper thrust rod (54) is connected with the 3rd bridge (13)；
Second bridge upper thrust rod (55), the first end of the second bridge upper thrust rod (55) is with the 3rd bridge balance shaft (43) even
Connect, the second end of the second bridge upper thrust rod (55) is connected with second bridge (12).
13. suspension systems according to claim 10, it is characterised in that the suspension system also includes what is be connected with vehicle frame
Balance shaft support (60), the balance shaft support (60) is multiple, and the first bridge balance shaft (41) and the 3rd bridge are balanced
The balance shaft support (60) is provided with axle (43).
14. suspension systems according to any one of claim 1 to 7, it is characterised in that the suspension system also includes using
In the limited post (70) for limiting vehicle bridge (10) jerk value, the limited post (70) is multiple, multiple limited posts (70)
It is arranged on straight up in the vehicle bridge (10).
A kind of 15. vehicles, including suspension system, it is characterised in that the suspension system is any one of claim 1 to 14 institute
The suspension system stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277663.8A CN104827842B (en) | 2014-06-19 | 2014-06-19 | Suspension system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410277663.8A CN104827842B (en) | 2014-06-19 | 2014-06-19 | Suspension system and vehicle |
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| Publication Number | Publication Date |
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| CN104827842A CN104827842A (en) | 2015-08-12 |
| CN104827842B true CN104827842B (en) | 2017-07-11 |
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| CN201410277663.8A Active CN104827842B (en) | 2014-06-19 | 2014-06-19 | Suspension system and vehicle |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196818B (en) * | 2015-08-31 | 2017-08-25 | 李晓秋 | A kind of vehicle spring steel plate combined suspension device |
| CN106945747B (en) * | 2017-04-26 | 2023-10-13 | 安徽工程大学 | Chassis device and have its detection vehicle and robot |
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| JPH10138726A (en) * | 1996-11-12 | 1998-05-26 | Hino Motors Ltd | Rear axle suspension for two rear axle vehicle |
| US6206407B1 (en) * | 1998-12-18 | 2001-03-27 | Freightliner Llc | Vehicle suspension system |
| CN101700730A (en) * | 2009-10-29 | 2010-05-05 | 李晓秋 | Suspension device of semitrailer |
| CN201544743U (en) * | 2009-12-04 | 2010-08-11 | 安徽江淮汽车股份有限公司 | Asymmetric balance suspension device suitable for heavy truck |
| CN202656818U (en) * | 2012-07-19 | 2013-01-09 | 上汽依维柯红岩商用车有限公司 | Balanced suspension for wide-body mining car |
| CN103660842A (en) * | 2013-12-04 | 2014-03-26 | 中联重科股份有限公司 | Leaf spring balance suspension mechanism and engineering vehicle with same |
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2014
- 2014-06-19 CN CN201410277663.8A patent/CN104827842B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10138726A (en) * | 1996-11-12 | 1998-05-26 | Hino Motors Ltd | Rear axle suspension for two rear axle vehicle |
| US6206407B1 (en) * | 1998-12-18 | 2001-03-27 | Freightliner Llc | Vehicle suspension system |
| CN101700730A (en) * | 2009-10-29 | 2010-05-05 | 李晓秋 | Suspension device of semitrailer |
| CN201544743U (en) * | 2009-12-04 | 2010-08-11 | 安徽江淮汽车股份有限公司 | Asymmetric balance suspension device suitable for heavy truck |
| CN202656818U (en) * | 2012-07-19 | 2013-01-09 | 上汽依维柯红岩商用车有限公司 | Balanced suspension for wide-body mining car |
| CN103660842A (en) * | 2013-12-04 | 2014-03-26 | 中联重科股份有限公司 | Leaf spring balance suspension mechanism and engineering vehicle with same |
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| Publication number | Publication date |
|---|---|
| CN104827842A (en) | 2015-08-12 |
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Effective date of registration: 20200929 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206 Beijing, Shahe, Changping District Town, Sha Yang Road, Beiqi Futian Motor Company Limited law and Intellectual Property Department Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |