CN106476556B - A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket - Google Patents
A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket Download PDFInfo
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- CN106476556B CN106476556B CN201611081742.7A CN201611081742A CN106476556B CN 106476556 B CN106476556 B CN 106476556B CN 201611081742 A CN201611081742 A CN 201611081742A CN 106476556 B CN106476556 B CN 106476556B
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- leaf spring
- trunnion
- hole
- spring axis
- connecting bracket
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
Abstract
A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket, including connecting bracket, the side of the connecting bracket are connected with knuckle, and the other side of the connecting bracket is connected with leaf spring；The connecting bracket includes leaf spring fixed frame, knuckle connecting shaft and damper installation axle, the side of the leaf spring fixed frame passes through one end rotatable engagement of leaf spring fixing axle and leaf spring, the other side of the leaf spring fixed frame is connected with knuckle connecting shaft, and the bottom of the leaf spring fixed frame is provided with damper installation axle.Not only load-carrying properties are excellent by the design, high reliablity, but also are able to extend the service life of leaf spring.
Description
Technical field
The present invention relates to leaf springs of car connecting bracket more particularly to a kind of leaf springs and steering suitable for tilting plate spring suspension brackets
Connecting bracket is saved, it is particularly applicable to improve suspension bearing capacity, optimizes leaf spring stress performance.
Background technique
Commercialization front axle generallys use leaf spring rigid axle suspension at present, and matches ackerman steering, wherein two sides
Knuckle is connected by rigid axles, while leaf spring is fixed with vehicle bridge.Leaf spring rigid axle suspension simple, cost with structure
Low advantage, however two sides wheel influences each other, rub between leaf of spring it is larger etc. due to, lead to vehicle operation stabilization
Property and ride comfort are poor.Independent suspension can overcome above-mentioned deficiency, however rarely have at present commercial vehicle independent suspension relevant design or
Invention is seen in report.
Chinese patent application publication No. is CN 103963590A, and data of publication of application is the patent of invention on the 6th of August in 2014
Disclose a kind of semi-detached Leaf Spring Suspension structure with shock loading pooling feature, each suspension assembly in the structure
Including knuckle, four main steel plates and four connecting rods；Two quadrangles are wherein separately constituted between knuckle, main steel plate and connecting rod
Mechanism；First quadrangular mechanism and second quadrangular mechanism are symmetrical about the central horizontal face of knuckle.Four main steel plates
Planar Mechanisms are provided for knuckle；Each suspension assembly further includes eight helper springs, eight helper springs and four main steel plates group respectively
At four branches；Constraint positioning is realized by steel clamp between each main steel plate and helper spring.Although the invention can be certain
Improve vehicle load-carrying ability laterally and longitudinally in degree, but its there are still following defects:
1, the leaf spring both ends of the invention are all made of bolt fixed plate spring, in use positioned at fixing bolt on leaf spring
Biggish stress is born in position, is easy to produce metal fatigue, causes leaf spring or leaf spring fixing bolt to loosen, reduces the whole of suspension
Body reliability.
2, the leaf spring connecting bracket of the invention is directly integrated on knuckle there are problems, firstly, leaf spring connection branch
Frame is directly integrated on knuckle, and the stress of leaf spring has interference to the movement of knuckle；Then, since leaf spring is that bolt connects
It connects, therefore there are stress to be not easy to positive installation for leaf spring during installation；Finally, slewing journal structure is thin, stress performance is poor, directly by it
Being used in commercial vehicle, there are major safety risks.
Summary of the invention
The purpose of the present invention is overcoming the problems, such as that connection structure existing in the prior art is unreasonable, stress performance is poor, mention
A kind of leaf spring and knuckle suitable for tilting plate spring suspension brackets that optimization leaf spring connected, improved connecting bracket stress performance has been supplied to connect
Connect bracket.
In order to achieve the above object, the technical solution of the invention is as follows:
A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket, including connecting bracket, the connection branch
The side of frame is connected with knuckle, and the other side of the connecting bracket is connected with leaf spring；
The connecting bracket includes leaf spring fixed frame, knuckle connecting shaft and damper installation axle, the leaf spring fixed frame
Side pass through one end rotatable engagement of leaf spring fixing axle and leaf spring, the other side of the leaf spring fixed frame and knuckle connecting shaft
It is connected, the bottom of the leaf spring fixed frame is provided with damper installation axle.
The leaf spring fixed frame includes arc fixed plate and interconnecting piece, and the bottom of the inner arc surface of the arc fixed plate is logical
It crosses interconnecting piece to be fixedly connected with knuckle connecting shaft, the positive middle part of the exterior arc surface of the arc fixed plate is parallel in the horizontal direction
It is provided with interior trunnion and lower interior trunnion, the two sides of the upper interior trunnion respectively correspond to be provided with outside the first outer trunnion and second and prop up
Ear, the two sides of the lower interior trunnion, which respectively correspond, is provided with the outer trunnion of third and the 4th outer trunnion, the first outer trunnion, second
The outer trunnion of outer trunnion, third and the 4th outer trunnion are fixedly connected with the exterior arc surface of arc fixed plate；
The first leaf spring axis fixation hole and the second leaf spring axis fixation hole are offered respectively in the plane of the upper interior trunnion two sides,
Offer third leaf spring axis fixation hole and the 4th leaf spring axis fixation hole in the plane of the lower interior trunnion two sides respectively, described first
The first leaf spring axis limit hole is offered on outer trunnion, the first leaf spring axis limit hole is coaxially set with the first leaf spring axis fixation hole
It sets, the second leaf spring axis limit hole is offered on the second outer trunnion, the second leaf spring axis limit hole and the second leaf spring axis are solid
Determine hole coaxial arrangement, offers third leaf spring axis limit hole on the outer trunnion of the third, the third leaf spring axis limit hole and the
Three leaf spring axis fixation holes are coaxially disposed, and offer the 4th leaf spring axis limit hole, the 4th leaf spring axis on the 4th outer trunnion
Limit hole and the 4th leaf spring axis fixation hole are coaxially disposed.
The angle a of the upper interior trunnion two sides side be 50 degree to 90 degree, the angle of the lower interior trunnion two sides side and
The angle a of trunnion two sides side is equal in upper.
The bottom of the lower interior trunnion is fixedly connected with damper installation axle, offers in the middle part of the damper installation axle
The central axes of threaded hole, the threaded hole are parallel with horizontal plane.
The side of the first leaf spring axis limit hole offers keeper, and keeper is upper and lower on the first outer trunnion
Both ends offer same locking limiting through hole；
The structure of the outer trunnion of the first outer trunnion, the second outer trunnion, third and the 4th outer trunnion is identical.
The first leaf spring axis fixation hole, the second leaf spring axis fixation hole, third leaf spring axis fixation hole and the 4th leaf spring axis are solid
Determine one end insertion cooperation of Kong Junyu leaf spring fixing axle, the first leaf spring axis limit hole, the second leaf spring axis limit hole, third plate
Spring axis limit hole and the 4th leaf spring axis limit hole, which are limited with the other end of leaf spring fixing axle, to be cooperated.
Fixed hole is offered in the middle part of the knuckle connecting shaft, the knuckle connecting shaft is by fixed hole and turns to
Section is connected, and the minimum range of inner arc surface to the fixed hole central axes of the arc fixed plate is more than or equal to 80 millimeters.
The distance of the central axes of the first leaf spring axis fixation hole to the central axes of third leaf spring axis fixation hole is 100 millimeters
To 160 millimeters.
The connecting bracket is casting structure.
Compared with prior art, the invention has the benefit that
1, the one of a kind of leaf spring fixed frame suitable for the leaf spring of tilting plate spring suspension brackets and steering knot connecting bracket of the present invention
Side passes through one end rotatable engagement of leaf spring fixing axle and leaf spring, and such design enables one end of leaf spring to rotate, relative to spiral shell
The fixed form of bolt, the design do not change supported by plate spring effect under the premise of, can reduce leaf spring in use by
Vertical direction stress, extend leaf spring service life, optimize suspension stress performance, improve the reliability of suspension.Therefore,
The design can effectively extend the service life of leaf spring, and stress performance is excellent, high reliablity.
2, a kind of bottom of the leaf spring fixed frame suitable for the leaf spring of tilting plate spring suspension brackets and steering knot connecting bracket of the present invention
Portion is provided with damper installation axle, and damper installation axle is integrated into connecting bracket, can optimize the stress performance of vehicle, make
The connecting bracket for obtaining the design can be simultaneously leaf spring, knuckle and damper provide secure support, it is ensured that suspension and steering system
System can access reliable fixation, improve the reliability of suspension.Therefore, the design can be fixedly secured leaf spring, knuckle and
Damper improves the reliability of suspension.
3, the present invention is a kind of utilizes aperture on trunnion suitable for the leaf spring of tilting plate spring suspension brackets and steering knot connecting bracket
The fixed leaf spring pin of structure, the mounting means of leaf spring is optimized on the basis of being fixedly secured, it is only necessary to which leaf spring pin passes through trunnion
On fixation hole and leaf spring on fixation hole the fixation of leaf spring can be realized, then lock limiting through hole using bolt fastening, i.e.,
The fixation of leaf spring axis can be achieved.Therefore, the design leaf spring is easy for installation, fixation, high reliablity.
4, a kind of upper interior trunnion two sides side suitable for the leaf spring of tilting plate spring suspension brackets and steering knot connecting bracket of the invention
The angle a in face is 50 degree to 90 degree, the angle and the angle a phase of upper interior trunnion two sides side of the lower interior trunnion two sides side
Deng, it is such to design one fixed value of angle made between adjacent two leaf spring being mounted on same interior trunnion, it can optimize
The stability being suspended on vehicle vertical and horizontal, it is effective to improve vehicle vertical and horizontal load, improve the reliability of suspension.
Therefore, the design spring installation structure is reasonable, can be improved vehicle vertical and horizontal load, suspension high reliablity.
5, the present invention is a kind of ties connecting bracket in arc fixed plate suitable for the leaf spring of tilting plate spring suspension brackets and steering
Arc surface to fixed hole central axes minimum range be more than or equal to 80 millimeters, it is such be designed as knuckle leave it is enough
Revolution space avoids knuckle and interferes with connecting bracket.Therefore, the design is reasonable in design, knuckle it is normal
Work is not influenced by connecting bracket.
6, the first leaf spring axis described in connecting bracket is tied in a kind of leaf spring suitable for tilting plate spring suspension brackets of the invention and steering
The distance of the central axes of fixation hole to the central axes of third leaf spring axis fixation hole is 100 millimeters to 160 millimeters, such design energy
It enough reserves enough spaces for leaf spring to avoid interfering with each other between adjacent leaf spring, while the distance between leaf spring is solid
It is fixed, the stress performance of suspension can be optimized.Therefore, the design is reasonable in design, avoids interfering between adjacent leaf spring same
When optimize the stress performance of suspension.
7, the present invention is a kind of is integrated suitable for the leaf spring of tilting plate spring suspension brackets with connecting bracket knot connecting bracket is turned to
Molding casting structure, the wall thickness better than casting structure entirety is thicker, and producing connecting bracket in the way of casting can be substantially
Degree improves the intensity of connecting bracket, optimizes the stress performance of connecting bracket, while reducing production cost.Therefore, the company of the design
Rack mechanical strength height is connect, stress performance is excellent.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the assembling schematic diagram of Fig. 1.
Fig. 3 is the schematic perspective view of Fig. 1.
In figure: connecting bracket 1, knuckle 11, leaf spring 12, spring fixing axle 13, damper 14, the first leaf spring axis fixation hole
15, the second leaf spring axis fixation hole 16, third leaf spring axis fixation hole 17, the 4th leaf spring axis fixation hole 18, leaf spring fixed frame 2, arc
The outer trunnion of fixed plate 21, interconnecting piece 22, upper interior trunnion 23, lower interior trunnion 24, the first outer trunnion 25, the second outer trunnion 26, third
27, the 4th outer trunnion 28, knuckle connecting shaft 3, keeper 31, locking limiting through hole 32, fixed hole 33, the first leaf spring axis limit
Position hole 35, the second leaf spring axis limit hole 36, third leaf spring axis limit hole 37, the 4th leaf spring axis limit hole 38, damper installation axle
4, threaded hole 41.
Specific embodiment
The present invention is described in further detail for section conjunction Detailed description of the invention and specific embodiment below.
Referring to Fig. 1 to Fig. 3, a kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket, including connection branch
The side of frame 1, the connecting bracket 1 is connected with knuckle 11, and the other side of the connecting bracket 1 is connected with leaf spring 12；
The connecting bracket 1 includes leaf spring fixed frame 2, knuckle connecting shaft 3 and damper installation axle 4, and the leaf spring is solid
Determine the side of frame 2 by one end rotatable engagement of leaf spring fixing axle 13 and leaf spring 12, the other side of the leaf spring fixed frame 2 with turn
It is connected to section connecting shaft 3, the bottom of the leaf spring fixed frame 2 is provided with damper installation axle 4.
The leaf spring fixed frame 2 includes arc fixed plate 21 and interconnecting piece 22, the inner arc surface of the arc fixed plate 21
Bottom be fixedly connected with knuckle connecting shaft 3 by interconnecting piece 22, the positive middle part of the exterior arc surface of the arc fixed plate 21
It is arranged in parallel with interior trunnion 23 and lower interior trunnion 24 in the horizontal direction, the two sides of the upper interior trunnion 23, which respectively correspond, to be provided with
First outer trunnion 25 and the second outer trunnion 26, the two sides of the lower interior trunnion 24, which respectively correspond, is provided with the outer trunnion 27 of third and the
Four outer trunnions 28, the outer trunnion 27 of the first outer trunnion 25, the second outer trunnion 26, third and the 4th outer trunnion 28 are solid with arc
The exterior arc surface of fixed board 21 is fixedly connected；
The first leaf spring axis fixation hole 15 is offered in the plane of upper interior 23 two sides of trunnion respectively and the second leaf spring axis is solid
Determine hole 16, to offer third leaf spring axis fixation hole 17 respectively in the plane of lower interior 24 two sides of trunnion and the 4th leaf spring axis is fixed
Hole 18 offers the first leaf spring axis limit hole 35, the first leaf spring axis limit hole 35 and first on the first outer trunnion 25
Leaf spring axis fixation hole 15 is coaxially disposed, and offers the second leaf spring axis limit hole 36, second plate on the second outer trunnion 26
Spring axis limit hole 36 and the second leaf spring axis fixation hole 16 are coaxially disposed, and offer third leaf spring axis limit on the outer trunnion 27 of the third
Position hole 37, the third leaf spring axis limit hole 37 is coaxially disposed with third leaf spring axis fixation hole 17, on the 4th outer trunnion 28
The 4th leaf spring axis limit hole 38 is offered, the 4th leaf spring axis limit hole 38 and the 4th leaf spring axis fixation hole 18 are coaxially disposed.
The angle a of the upper interior 23 two sides side of trunnion is 50 degree to 90 degree, the folder of the lower interior 24 two sides side of trunnion
Angle is equal with the angle a of upper interior 23 two sides side of trunnion.
The bottom of the lower interior trunnion 24 is fixedly connected with damper installation axle 4, and the middle part of the damper installation axle 4 is opened
Equipped with threaded hole 41, the central axes of the threaded hole 41 are parallel with horizontal plane.
The side of the first leaf spring axis limit hole 35 offers keeper 31, keeper on the first outer trunnion 25
Upper/lower terminal offers same locking limiting through hole 32；
The outer trunnion 27 of the first outer trunnion 25, the second outer trunnion 26, third is identical with the structure of the 4th outer trunnion 28.
The first leaf spring axis fixation hole 15, the second leaf spring axis fixation hole 16, third leaf spring axis fixation hole 17 and the 4th plate
Spring axis fixation hole 18, which is inserted into one end of leaf spring fixing axle 13, to be cooperated, the first leaf spring axis limit hole 35, the second leaf spring axis
Limit hole 36, third leaf spring axis limit hole 37 and the 4th leaf spring axis limit hole 38 are matched with the limit of the other end of leaf spring fixing axle 13
It closes.
Fixed hole 33 is offered in the middle part of the knuckle connecting shaft 3, the knuckle connecting shaft 3 passes through fixed hole 33
It is connected with knuckle 11, the minimum range of inner arc surface to 33 central axes of fixed hole of the arc fixed plate 21 is greater than etc.
In 80 millimeters.
The distance of the central axes of the first leaf spring axis fixation hole 15 to the central axes of third leaf spring axis fixation hole 17 is 100
Millimeter is to 160 millimeters.
The connecting bracket 1 is casting structure.
The principle of the present invention is described as follows:
Structurally, the connecting bracket 1 of the design be can be subjected to displacement on the vertical direction of vehicle, and
Vehicle is horizontal and vertical to need to control its displacement amplitude, and the angle a of the upper interior 23 two sides side of trunnion of the design is 50 degree to 90
Degree, the angle of lower interior 24 two sides side of trunnion are equal with the angle a of upper interior 23 two sides side of trunnion.Such design makes to be fixed on
The angle between leaf spring on same interior trunnion is also 50 degree to 90 degree, makes the angle fixed value between leaf spring, avoids connecting
Offset by a relatively large margin occurs on vehicle vertical and horizontal for bracket, improves fixation reliability, the optimization suspension of connecting bracket
Energy.
Embodiment 1:
A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket, including connecting bracket 1, the connection branch
The side of frame 1 is connected with knuckle 11, and the other side of the connecting bracket 1 is connected with leaf spring 12；The connecting bracket 1 is wrapped
The side of rubbing board spring fixed frame 2, knuckle connecting shaft 3 and damper installation axle 4, the leaf spring fixed frame 2 is fixed by leaf spring
The other side of one end rotatable engagement of axis 13 and leaf spring 12, the leaf spring fixed frame 2 is connected with knuckle connecting shaft 3, described
The bottom of leaf spring fixed frame 2 is provided with damper installation axle 4；The leaf spring fixed frame 2 includes arc fixed plate 21 and interconnecting piece
22, the bottom of the inner arc surface of the arc fixed plate 21 is fixedly connected by interconnecting piece 22 with knuckle connecting shaft 3, the arc
The positive middle part of the exterior arc surface of shape fixed plate 21 is arranged in parallel with interior trunnion 23 and lower interior trunnion 24 in the horizontal direction, it is described on
The two sides of interior trunnion 23, which respectively correspond, is provided with the first outer trunnion 25 and the second outer trunnion 26, the two sides point of the lower interior trunnion 24
It is not correspondingly arranged on the outer trunnion 27 of third and the 4th outer trunnion 28, is propped up outside the first outer trunnion 25, the second outer trunnion 26, third
Ear 27 and the 4th outer trunnion 28 are fixedly connected with the exterior arc surface of arc fixed plate 21；The plane of upper interior 23 two sides of trunnion
It is upper to offer the first leaf spring axis fixation hole 15 and the second leaf spring axis fixation hole 16 respectively, in the plane of lower interior 24 two sides of trunnion
Third leaf spring axis fixation hole 17 and the 4th leaf spring axis fixation hole 18 are offered respectively, offer first on the first outer trunnion 25
Leaf spring axis limit hole 35, the first leaf spring axis limit hole 35 and the first leaf spring axis fixation hole 15 are coaxially disposed, outside described second
The second leaf spring axis limit hole 36 is offered on trunnion 26, the second leaf spring axis limit hole 36 and the second leaf spring axis fixation hole 16 are same
Axis setting, offers third leaf spring axis limit hole 37 on the outer trunnion 27 of the third, the third leaf spring axis limit hole 37 and the
The coaxial arrangement of three leaf spring axis fixation holes 17, offers the 4th leaf spring axis limit hole 38 on the 4th outer trunnion 28, and the described 4th
Leaf spring axis limit hole 38 and the 4th leaf spring axis fixation hole 18 are coaxially disposed；The side of the first leaf spring axis limit hole 35 offers
Keeper 31, the upper/lower terminal of keeper offers same locking limiting through hole 32 on the first outer trunnion 25；Described first
The outer trunnion 27 of outer trunnion 25, the second outer trunnion 26, third is identical with the structure of the 4th outer trunnion 28；The connecting bracket 1 is casting
Part structure.
Embodiment 2:
Embodiment 2 it is substantially the same manner as Example 1 the difference is that:
The angle a of the upper interior 23 two sides side of trunnion is 50 degree to 90 degree, the folder of the lower interior 24 two sides side of trunnion
Angle is equal with the angle a of upper interior 23 two sides side of trunnion.
Embodiment 3:
Embodiment 3 it is substantially the same manner as Example 2 the difference is that:
The bottom of the lower interior trunnion 24 is fixedly connected with damper installation axle 4, and the middle part of the damper installation axle 4 is opened
Equipped with threaded hole 41, the central axes of the threaded hole 41 are parallel with horizontal plane.
Embodiment 4:
Embodiment 4 it is substantially the same manner as Example 3 the difference is that:
The first leaf spring axis fixation hole 15, the second leaf spring axis fixation hole 16, third leaf spring axis fixation hole 17 and the 4th plate
Spring axis fixation hole 18, which is inserted into one end of leaf spring fixing axle 13, to be cooperated, the first leaf spring axis limit hole 35, the second leaf spring axis
Limit hole 36, third leaf spring axis limit hole 37 and the 4th leaf spring axis limit hole 38 are matched with the limit of the other end of leaf spring fixing axle 13
It closes；Fixed hole 33 is offered in the middle part of the knuckle connecting shaft 3, the knuckle connecting shaft 3 is by fixed hole 33 and turns
It is connected to section 11, the minimum range of inner arc surface to 33 central axes of fixed hole of the arc fixed plate 21 is more than or equal to 80
Millimeter；The distance of the central axes of the first leaf spring axis fixation hole 15 to the central axes of third leaf spring axis fixation hole 17 is 130 millis
Rice.
Claims (8)
1. a kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket, including connecting bracket (1), the connection branch
The side of frame (1) is connected with knuckle (11), and the other side of the connecting bracket (1) is connected with leaf spring (12), feature
It is:
The connecting bracket (1) includes leaf spring fixed frame (2), knuckle connecting shaft (3) and damper installation axle (4), the plate
The side of spring fixed frame (2) passes through one end rotatable engagement of leaf spring fixing axle (13) and leaf spring (12), the leaf spring fixed frame (2)
The other side be connected with knuckle connecting shaft (3), the bottom of the leaf spring fixed frame (2) is provided with damper installation axle (4)；
The leaf spring fixed frame (2) includes arc fixed plate (21) and interconnecting piece (22), the inner circle of the arc fixed plate (21)
The bottom of cambered surface is fixedly connected by interconnecting piece (22) with knuckle connecting shaft (3), the external arc of the arc fixed plate (21)
The positive middle part in face is arranged in parallel with interior trunnion (23) and lower interior trunnion (24) in the horizontal direction, and the two of the upper interior trunnion (23)
Side, which respectively corresponds, is provided with the first outer trunnion (25) and the second outer trunnion (26), and the two sides of the lower interior trunnion (24) respectively correspond
It is provided with the outer trunnion (27) of third and the 4th outer trunnion (28), the first outer trunnion (25), the second outer trunnion (26), outside third
Trunnion (27) and the 4th outer trunnion (28) are fixedly connected with the exterior arc surface of arc fixed plate (21)；
The first leaf spring axis fixation hole (15) is offered in the plane of upper interior trunnion (23) two sides respectively and the second leaf spring axis is solid
Determine hole (16), offers third leaf spring axis fixation hole (17) and the 4th leaf spring respectively in the plane of lower interior trunnion (24) two sides
Axis fixation hole (18) offers the first leaf spring axis limit hole (35), the first leaf spring axis limit on the first outer trunnion (25)
Position hole (35) and the first leaf spring axis fixation hole (15) are coaxially disposed, and the second leaf spring axis limit is offered on the second outer trunnion (26)
Position hole (36), the second leaf spring axis limit hole (36) and the second leaf spring axis fixation hole (16) are coaxially disposed, and are propped up outside the third
Third leaf spring axis limit hole (37), the third leaf spring axis limit hole (37) and third leaf spring axis fixation hole are offered on ear (27)
(17) it is coaxially disposed, the 4th leaf spring axis limit hole (38), the 4th leaf spring axis limit is offered on the 4th outer trunnion (28)
Position hole (38) and the 4th leaf spring axis fixation hole (18) are coaxially disposed.
2. a kind of leaf spring suitable for tilting plate spring suspension brackets according to claim 1 and knuckle connecting bracket, feature
It is:
The angle a of upper interior trunnion (23) the two sides side is 50 degree to 90 degree, the folder of lower interior trunnion (24) the two sides side
Angle is equal with the angle a of upper interior trunnion (23) two sides side.
3. a kind of leaf spring suitable for tilting plate spring suspension brackets according to claim 1 or 2 and knuckle connecting bracket, special
Sign is:
The bottom of the lower interior trunnion (24) is fixedly connected with damper installation axle (4), the middle part of the damper installation axle (4)
It offers threaded hole (41), the central axes of the threaded hole (41) are parallel with horizontal plane.
4. a kind of leaf spring suitable for tilting plate spring suspension brackets according to claim 1 or 2 and knuckle connecting bracket, special
Sign is:
The side of the first leaf spring axis limit hole (35) offers keeper (31), keeper on the first outer trunnion (25)
Upper/lower terminal offer same locking limiting through hole (32)；
The first outer trunnion (25), the second outer trunnion (26), third outer trunnion (27) and the 4th outer trunnion (28) structure phase
Together.
5. a kind of leaf spring suitable for tilting plate spring suspension brackets according to claim 4 and knuckle connecting bracket, feature
It is:
The first leaf spring axis fixation hole (15), the second leaf spring axis fixation hole (16), third leaf spring axis fixation hole (17) and the 4th
Leaf spring axis fixation hole (18), which is inserted into one end of leaf spring fixing axle (13), to be cooperated, the first leaf spring axis limit hole (35), the
Two leaf spring axis limit holes (36), third leaf spring axis limit hole (37) and the 4th leaf spring axis limit hole (38) with leaf spring fixing axle
(13) the other end limits cooperation.
6. a kind of leaf spring suitable for tilting plate spring suspension brackets according to claim 1 or 2 and knuckle connecting bracket, special
Sign is:
It is offered fixed hole (33) in the middle part of the knuckle connecting shaft (3), the knuckle connecting shaft (3) passes through fixed hole
(33) it is connected with knuckle (11), the minimum of the inner arc surface of the arc fixed plate (21) to fixed hole (33) central axes
Distance is more than or equal to 80 millimeters.
7. a kind of leaf spring suitable for tilting plate spring suspension brackets according to claim 1 or 2 and knuckle connecting bracket, special
Sign is:
The distance of central axes of the central axes of the first leaf spring axis fixation hole (15) to third leaf spring axis fixation hole (17) is 100
Millimeter is to 160 millimeters.
8. a kind of leaf spring suitable for tilting plate spring suspension brackets according to claim 1 or 2 and knuckle connecting bracket, special
Sign is: the connecting bracket (1) is casting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081742.7A CN106476556B (en) | 2016-11-30 | 2016-11-30 | A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611081742.7A CN106476556B (en) | 2016-11-30 | 2016-11-30 | A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket |
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| Publication Number | Publication Date |
|---|---|
| CN106476556A CN106476556A (en) | 2017-03-08 |
| CN106476556B true CN106476556B (en) | 2018-12-07 |
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| CN201611081742.7A Active CN106476556B (en) | 2016-11-30 | 2016-11-30 | A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket |
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| CN206317637U (en) * | 2016-11-30 | 2017-07-11 | 东风商用车有限公司 | A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201538206U (en) * | 2009-10-13 | 2010-08-04 | 北汽福田汽车股份有限公司 | Front independent suspension system and automobile provided with front independent suspension system |
| CN103963590A (en) * | 2014-05-19 | 2014-08-06 | 清华大学 | Semi-independent steel plate spring suspension structure with impulse load buffering function |
| CN104890464A (en) * | 2015-06-15 | 2015-09-09 | 清华大学 | Semi-independent suspension with inclined leaf springs |
| CN104890463A (en) * | 2015-06-15 | 2015-09-09 | 清华大学 | Automobile double-front axle structure with semi-independent inclined leaf spring |
| CN206317637U (en) * | 2016-11-30 | 2017-07-11 | 东风商用车有限公司 | A kind of leaf spring suitable for tilting plate spring suspension brackets and knuckle connecting bracket |
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|---|---|
| CN106476556A (en) | 2017-03-08 |
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