CN109789745A - Balance shaft support and equalizing type suspension - Google Patents
Balance shaft support and equalizing type suspension Download PDFInfo
- Publication number
- CN109789745A CN109789745A CN201780057998.0A CN201780057998A CN109789745A CN 109789745 A CN109789745 A CN 109789745A CN 201780057998 A CN201780057998 A CN 201780057998A CN 109789745 A CN109789745 A CN 109789745A
- Authority
- CN
- China
- Prior art keywords
- balance shaft
- shaft support
- face
- vehicle width
- width direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G5/00—Resilient suspensions for a set of tandem wheels or axles having interrelated movements
- B60G5/02—Resilient suspensions for a set of tandem wheels or axles having interrelated movements mounted on a single pivoted arm, e.g. the arm being rigid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A kind of balance shaft support of load resistance when can be improved jack-up, its be fixed in a pair of frames for being configured at vehicle width direction two sides towards on the web surface on the outside of vehicle width direction, and link via a pair of of the axle of rod unit and configuration before and after vehicle, the lower end of connection rod unit in the balance shaft support, is provided with jack-up face.
Description
Technical field
The present invention relates to a kind of balance shaft support and equalizing type suspensions.
Background technique
In the past, equalizing type suspension is applied on double rear axle vehicles of large truck etc..
For example, equalizing type suspension has upper bar and lower pole, the upper bar and lower pole before and after vehicle for configuring
A pair of of axle between, balance shaft is fixed on carrier frame by balance shaft support, and by the central portion of flat spring rotate
It is installed on balance shaft freely, and supports a pair of of axle by the both ends of flat spring, and before keeping the vehicle of a pair of of axle
The position of rear direction.
Although not being double rear axle vehicles, such as describe the setting on front axle in patent document 1 and jack up point, more
In the case where the tire for changing front axle, front axle is jacked up into this point.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Publication 4-3808 bulletin
Summary of the invention
Problems to be solved by the invention
But for example there are the following problems for the jack-up point for being set to front axle of patent document 1: existing can not hold when jacking up
By the excessive load being applied to due to overload on front axle, so as to cause damaged danger.
The purpose of the present invention is to provide it is a kind of can be improved jack-up when load resistance balance shaft support and balanced type
Suspension.
Solution to problem
Balance shaft support of the invention be fixed in a pair of frames for being configured at vehicle width direction two sides towards vehicle width direction
On the web surface in outside, and link via a pair of of the axle of rod unit and configuration before and after vehicle,
The lower end of the connection rod unit in the balance shaft support, is provided with jack-up face.
Equalizing type suspension of the invention, wherein balance shaft branch is configured between a pair of of the axle being configured at before and after vehicle
Frame, the pair of axle are linked to the balance shaft support via rod unit,
The lower end of the connection rod unit in the balance shaft support, is provided with jack-up face.
Invention effect
In accordance with the invention it is possible to load resistance when improving jack-up.
Detailed description of the invention
Fig. 1 is the figure that outlined an example of equalizing type suspension of an embodiment of the invention.
Fig. 2 is the arrow view of the arrow II in Fig. 1.
Fig. 3 is the main view of balance shaft support.
Fig. 4 is the bottom view of balance shaft support.
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.In the drawings, vehicle width direction is set as X, it will
X1 is set as on the outside of vehicle width direction, X2 will be set as on the inside of vehicle width direction, vehicle front-rear direction is set as Y, front side is set as Y1, will after
Side is set as Y2.
Fig. 1 be observed from the outside X1 of vehicle width direction X, implement it is of the invention, be installed on the vehicles such as large truck
The skeleton diagram of the equalizing type suspension 300 of 100 (double rear axle vehicles).Fig. 2 is the arrow view of the arrow II in Fig. 1.
Double rear axle vehicles as shown in Figure 1, have front axle 20F, back axle 20R, be mounted on front axle 20F both ends front truck
It takes turns 21F and is mounted on the rear wheel 21R at the both ends of back axle 20R.
As wheel 21F, 21R of Fig. 1, using the twin tires (referring to Fig. 2) for installing 2 tires 1 position, but
It can be the single tire that 1 tire is installed on 1 position.
The carrier frame 1 of vehicle 100 shown in Fig. 2 is by extending in vehicle front-rear direction Y and X is spaced apart in the direction of vehicle width
The side framework 11,12 of pair of right and left and the vehicle compartment of terrain front-rear direction Y configuration multiple crossbeams 13 be configured to ladder-shaped,
X extends multiple crossbeam 13 in the direction of vehicle width between side framework 11,12 and both ends are fixed in side framework 11,12.
In addition, showing a crossbeam in multiple crossbeams 13 in Fig. 2.Side framework 11,12 corresponds to " frame " of the invention.
Axle 20F, 20R support carrier frame 1 via equalizing type suspension 300.
As shown in Figure 1, equalizing type suspension 300 has: balance shaft support 3 is mounted on along vehicle front-rear direction Y extension
The rear portion of carrier frame 1；Flat spring 4；Lower front bar 5F (corresponding with " rod unit " of the invention), front end and front axle
The lower end of 20F links, and the lower end 3a of rear end and balance shaft support 3 links；Back lower bar 5R is (with " bar portion of the invention
Part " is corresponding), the lower end 3a of front end and balance shaft support 3 links, and rear end and the lower end of back axle 20R link；On front side
The upper end of portion V shape pole 6F, front end and front axle 20F link, and the crossbeam 13 of rear end and carrier frame 1 links；On rear side
Portion V shape pole 6R, front end and crossbeam 13 link, and rear end and the upper end of back axle 20R link；Balance shaft 7；And saddle 8.
As shown in Figure 1, flat spring 4 is rotatably supported by saddle 8.The middle part of the vehicle front-rear direction Y of flat spring 4
It is fastened across spring pad 92 by U bolt 94 and nut 96.The front end of flat spring 4 with can vehicle front-rear direction Y slide
Mode and front axle 20F link.The rear end of flat spring 4 by can vehicle front-rear direction Y slide in a manner of with back axle 20R
Connection.
As shown in Figure 1, lower pole 5F, 5R and top V shape pole 6F, 6R maintain front axle 20F and back axle 20R relative to
The relative position of carrier frame 1.Further, lower pole 5F, 5R and top V shape pole 6F, 6R are by the drive from wheel 21F, 21R
Power passes to carrier frame 1.
Although top V shape pole 6F (6R) is formed as V shape when viewed from above being not shown in the figure.V shape
Open end side and crossbeam 13 are pivotally connected, and the top of V shape and the top of axle 20F (20R) are pivotally connected.By top V shape pole 6F (6R) and
The structural body for the triangle that crossbeam 13 is constituted is maintained relative to the relative positional relationship on the vehicle width direction X of carrier frame 1.
As shown in Fig. 2, balance shaft 7 is the axial fitting portion 33 (aftermentioned) for being entrenched in balance shaft support 3 with vehicle width direction X
In.
As shown in Figure 1, saddle 8 is divided into the upper saddle seat 81 of upside and the lower saddle of downside along the axis of balance shaft 7
82.Flat spring 4 is placed on upper saddle seat 81.Pass through U bolt 94 and nut 96, flat spring 4, upper saddle seat 81, lower saddle 82
It tightens together with spring pad 92.
Then, referring to Fig.1, Fig. 2 and Fig. 3 be to the balance shaft branch in the side framework 11,12 for being separately fixed at pair of right and left
Frame 3 is illustrated.In addition, due to each balance shaft support 3 structure having the same, to one be fixed in side framework 11
The balance shaft support 3 of side is illustrated, and omits the explanation to the balance shaft support 3 for the another party being fixed in side framework 12.
Fig. 3 is the main view of balance shaft support 3.As shown in figure 3, balance shaft support 3 has following shape: before and after vehicle
The width of direction Y becomes narrow gradually from the upper end side 3b to the lower end side 3a.
As shown in Figures 2 and 3, balance shaft support 3 has a pair of 1st column sections 31, the 2nd column sections 32, fitting portion 33, connects
Knot 35F, 35R and jack-up face 38 (referring to Fig. 4), these components are integrally formed.
A pair of 1st column sections 31 are on the upper end 3b of balance shaft support 3 to separate centainly in vehicle front-rear direction Y each other
The mode at interval is arranged.As shown in Fig. 2, the 1st column sections 31 are mounted on the web surface 11a of side framework 11 by screw bolt and nut
On.
2nd column sections 32 are arranged on the upper end 3b of balance shaft support 3, as shown in Fig. 2, being installed by screw bolt and nut
On the lower surface 13a of crossbeam 13.
Fitting portion 33 is arranged on the middle part 3c of balance shaft support 3.As shown in Fig. 2, balance shaft 7 is embedded in fitting portion 33
In.
Linking part 35F is arranged on the lower end 3a of balance shaft support 3, as shown in Fig. 2, the rear end with lower front bar 5F
Portion 52F connection.
Linking part 35R is arranged on the lower end 3a of balance shaft support 3, as shown in Fig. 2, the front end with back lower bar 5R
Portion 52R connection.
As shown in figure 3, in the lower end 3a of balance shaft support 3, compared to the position for being provided with linking part 35F, 35R
The width Ya of the width Yb of vehicle front-rear direction Y, the position directly above of the position are narrower.
In the following, referring to FIG. 1 and FIG. 2 to the connecting structure (rear side of the front end 52R and linking part 35R of back lower bar 5R
Connecting structure) be illustrated.In addition, the rear end 52F and the connecting structure of linking part 35F due to lower front bar 5F are (preceding
The connecting structure of side) it is essentially identical with the connecting structure of rear side, therefore the description thereof will be omitted, by the explanation of the connecting structure to rear side
Instead of the explanation of the connecting structure to front side.
As shown in Figure 1, being provided with recess portion 34 on the lower end 3a of balance shaft support 3.In recess portion 34, have in vehicle width
Direction X opposite two groove sidewalls and groove bottom wall 35C, a part of the front end 52R of back lower bar 5R are embedded.Slot bottom
Wall 35C is the wall for separating the recess portion 34,34 in the connecting structure of front side and rear side.
As shown in Fig. 2, linking part 35R has outside linking part 35A and inside linking part 35B, outside linking part 35A
It is arranged in the groove sidewall of the outside X1 of the vehicle width direction X of recess portion 34, and from the outside X1 of vehicle width direction X and back lower bar 5R
Front end 52R connection, inside linking part 35B is arranged in the groove sidewall of the inside X2 of the vehicle width direction X of recess portion 34, and from
The front end 52R of the inside X2 and back lower bar 5R of vehicle width direction X link.
Parts of bearings 36A is provided on linking part 35A on the outside.Parts of bearings is provided on the linking part 35B of inside
36B.The axial shaft member 37 for being vehicle width direction X is provided between parts of bearings 36A, 36B.The perforation of shaft member 37 is arranged rear
Embedded hole 52H on the front end 52R of side lower part bar 5R.The front end 52R of back lower bar 5R can be turned by shaft member 37 as a result,
It supports dynamicly.
The position that the inside X2 of vehicle width direction X is more depended on than web surface 11a is arranged in inside linking part 35B.It is shown in Fig. 2
It is set to the inside linking part 35B of the position of X2 more in the inner part the position WS of the vehicle width direction X than web surface 11a.Inside connection
Portion 35B is arranged in inside X2, so that the clearance S between outside linking part 35A and wheel 21F, 21R correspondingly expands.
As shown in Fig. 2, the center CP of the vehicle width direction X between outside linking part 35A and inside linking part 35B is located at
The lower section of web surface 11a.
As a result, in the connecting structure of rear side, the front end 52R of back lower bar 5R is by the rotatable twelve Earthly Branches of shaft member 37
It holds.Equally, in the connecting structure of front side, the rear end 52F of lower front bar 5F is by 37 company of being rotatably supported in of shaft member
On knot 35F.
As shown in Figures 1 and 3, parts of bearings 36A, 36A in the connecting structure of front side and rear side pass through bolt 97 and spiral shell
Mother 98 is fastened on outside linking part 35A, 35A.Similarly, parts of bearings 36B, 36B in the connecting structure of front side and rear side
It is fastened on inside linking part 35B, 35B by bolt (illustration omitted) and nut (illustration omitted).
Fig. 4 is the bottom view of balance shaft support 3.
It is arranged on the lower end 3a of balance shaft support 3 as shown in figure 4, jacking up face 38.In addition, jack up face 38 also by
Referred to as jack up point.
Jack up the rear end for the inside linking part 35B that face 38 is arranged in the connecting structure of front side, the connection knot of rear side
On the part that the front end of inside linking part 35B in structure and the medial end C of trench bottom 35C intersect.Jack up 38, face
In the position for the inside X2 for more depending on vehicle width direction X than web surface 11a.The vehicle width direction being located at than web surface 11a is shown in Fig. 4
The jack-up face 38 of the position of X2 more in the inner part the position WS of X.
As shown in figure 4, jacking up face 38 with the shape phase with the load bearing portion (supporting member) 50 of jack for vehicles
The plane of corresponding size.In the lower surface of inside linking part 35B, relative to jack-up face 38, before vehicle front-rear direction Y
Side Y1 is provided with the stepped part 39A that X extends in the direction of vehicle width.It is facial relative to jacking up in the lower surface of inside linking part 35B
38, the rear side Y2 of vehicle front-rear direction Y is provided with the stepped part 39B that X extends in the direction of vehicle width.In addition, trench bottom 35C's
Lower surface, relative to face 38 is jacked up, the outside X1 of X is provided with the stepped part extended in vehicle front-rear direction Y in the direction of vehicle width
39C。
Face 38 is jacked up by stepped part 39A, 39B, 39C as each following table than inside linking part 35B and trench bottom 35C
The bottom surface of the staged slot of amount as defined in face is deep (under the installation condition of balance shaft support 3, high defined amount).
(effect of present embodiment)
As described above, the lower end 3a setting by the balance shaft support 3 involved in present embodiment jacks up face 38,
It can be improved the load resistance for jacking up face 38.
In addition, the position for more depending on the inside X2 of vehicle width direction X than web surface 11a, energy is arranged in by the way that face 38 will be jacked up
It reaches load transmission suffered when jacking up to the lower surface of carrier frame 1 and makes its dispersion, jack-up face can be further increased
38 load resistance.
In addition, jack-up face 38 is set to the position that the inside X2 of vehicle width direction X is more depended on than web surface 11a, so as to
It is enough correspondingly to rise wheel more with identical jack-up amount.
In addition, by each on front side of relative to the vehicle front-rear direction for jacking up face 38, on the outside of rear side and vehicle width direction
Stepped part 39A, 39B, 39C are set on position, and is surrounded with stepped part 39A, 39B, 39C from 3 directions and jacks up face 38, it can
The movement of the horizontal direction of the supporting member 50 risen when being limited in jack-up.
In addition, the inside linking part 35B of balance shaft support 3 to be set to the inside for more depending on vehicle width direction X than web surface 11a
The position of X2, so as to which correspondingly outside linking part 35A is arranged by the inside X2 of vehicle width direction X.Thereby, it is possible to easily
Ensure the clearance between outside linking part 35A and wheel 21F, 21R.
In addition, the center of the vehicle width direction X between the linking part 35A and inside linking part 35B of outside is made to be located at web
The lower section of face 11a.Mainly become shearing from lower pole 5F, 5R to the load of linking part 35F, 35R up and down direction inputted as a result,
Power and be applied to fastening web surface 11a and the 1st column sections 31 multiple (being in the accompanying drawings 12) bolts on.Cause will without generating
1st column sections 31 from the power web surface 11a power removed and remove the 2nd column sections 32 from the lower surface 13a of crossbeam 13, because
This, can accordingly decrease the rigidity of balance shaft support 3.Specifically, can make to be provided with connection in balance shaft support 3
The width Ya of the vehicle front-rear direction Y of the position of the surface of the position of portion 35F, 35R, than being provided with linking part 35F, 35R
The width Yb of the vehicle front-rear direction Y of position is narrower.Furthermore it is possible to reduce it is being arranged from middle part 3c to lower end 3a, be used for
Improve the quantity of the rib of rigidity.Thereby, it is possible to make 3 lightweight of balance shaft support.
In addition, above embodiment only indicates to implement an example of materialization of the invention, technical scope of the invention is not answered
It is construed as the limitation of these embodiments.That is, can be in the range of not departing from its main points or its main feature, with various
Form implements the present invention.
The Japanese patent application (Patent 2016-198105) that the application was proposed based on October 6th, 2016, is hereby incorporated
Its content is as reference.
Industrial applicibility
Balance shaft support of the invention is as needing the draft hitch of double rear axle vehicles for improving load resistance when jacking up
Useful.
Description of symbols
1 carrier frame
11 side frameworks
12 side frameworks
13 crossbeams
20F front axle
20R back axle
21F front vehicle wheel
21R rear wheel
3 balance shaft supports
The lower end 3a
31 the 1st column sections
32 the 2nd column sections
33 fitting portions
34 recess portions
Linking part on the outside of 35A
Linking part on the inside of 35B
35F linking part
35R linking part
36A parts of bearings
36B parts of bearings
37 shaft members
38 jack up face
39A stepped part
39B stepped part
39C stepped part
300 equalizing type suspensions
4 flat springs
5F lower front bar
5R back lower bar
6F forward upper V shape pole
6R upper back V shape pole
7 balance shafts
8 saddles
Claims (5)
1. a kind of balance shaft support, be fixed in a pair of frames for being configured at vehicle width direction two sides towards on the outside of vehicle width direction
Web surface on, and a pair of of axle before and after vehicle links via rod unit and configuration,
The lower end of the connection rod unit in the balance shaft support, is provided with jack-up face.
2. balance shaft support as described in claim 1, wherein
In a manner of making the bottom surface for jacking up face as staged slot, the lower end is provided with stepped part.
3. balance shaft support as claimed in claim 2, wherein
The stepped part is set in front side and rear side and the vehicle width direction of the jack-up face on vehicle front-rear direction
The outside for jacking up face.
4. balance shaft support as described in claim 1, wherein
The jack-up face, which is arranged in, more leans on the position on the inside of vehicle width direction than the web surface.
5. a kind of equalizing type suspension, wherein balance shaft support is configured between a pair of of the axle being configured at before and after vehicle, it is described
A pair of of axle is linked to the balance shaft support via rod unit,
The lower end of the connection rod unit in the balance shaft support, is provided with jack-up face.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016198105A JP6834324B2 (en) | 2016-10-06 | 2016-10-06 | Trunnion bracket and trunnion suspension |
| JP2016-198105 | 2016-10-06 | ||
| PCT/JP2017/036158 WO2018066609A1 (en) | 2016-10-06 | 2017-10-04 | Trunnion bracket and trunnion-type suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109789745A true CN109789745A (en) | 2019-05-21 |
| CN109789745B CN109789745B (en) | 2022-03-25 |
Family
ID=61831078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780057998.0A Active CN109789745B (en) | 2016-10-06 | 2017-10-04 | Balance shaft support and balance type suspension |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6834324B2 (en) |
| CN (1) | CN109789745B (en) |
| PH (1) | PH12019500674A1 (en) |
| WO (1) | WO2018066609A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000255234A (en) * | 1999-03-05 | 2000-09-19 | Mitsubishi Motors Corp | Suspension arm |
| JP2000289428A (en) * | 1999-04-09 | 2000-10-17 | Nissan Motor Co Ltd | Vehicular body lower part structure for electric vehicle |
| CN2915574Y (en) * | 2006-06-27 | 2007-06-27 | 中国重型汽车集团有限公司 | Balance axle and axle housing assembly of automobile balance suspension |
| JP2010052539A (en) * | 2008-08-27 | 2010-03-11 | Hino Motors Ltd | Module for trunnion type suspension and assembling method of trunnion type suspension using the module |
| CN104884280A (en) * | 2013-01-11 | 2015-09-02 | 日野自动车株式会社 | Trunnion suspension structure |
| JP2016150626A (en) * | 2015-02-17 | 2016-08-22 | いすゞ自動車株式会社 | Supporting structure of axle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS608103U (en) * | 1983-06-29 | 1985-01-21 | 日野自動車株式会社 | vehicle axle |
-
2016
- 2016-10-06 JP JP2016198105A patent/JP6834324B2/en active Active
-
2017
- 2017-10-04 WO PCT/JP2017/036158 patent/WO2018066609A1/en active Application Filing
- 2017-10-04 CN CN201780057998.0A patent/CN109789745B/en active Active
-
2019
- 2019-03-28 PH PH12019500674A patent/PH12019500674A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000255234A (en) * | 1999-03-05 | 2000-09-19 | Mitsubishi Motors Corp | Suspension arm |
| JP2000289428A (en) * | 1999-04-09 | 2000-10-17 | Nissan Motor Co Ltd | Vehicular body lower part structure for electric vehicle |
| CN2915574Y (en) * | 2006-06-27 | 2007-06-27 | 中国重型汽车集团有限公司 | Balance axle and axle housing assembly of automobile balance suspension |
| JP2010052539A (en) * | 2008-08-27 | 2010-03-11 | Hino Motors Ltd | Module for trunnion type suspension and assembling method of trunnion type suspension using the module |
| CN104884280A (en) * | 2013-01-11 | 2015-09-02 | 日野自动车株式会社 | Trunnion suspension structure |
| JP2016150626A (en) * | 2015-02-17 | 2016-08-22 | いすゞ自動車株式会社 | Supporting structure of axle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018058508A (en) | 2018-04-12 |
| PH12019500674A1 (en) | 2019-12-02 |
| WO2018066609A1 (en) | 2018-04-12 |
| CN109789745B (en) | 2022-03-25 |
| JP6834324B2 (en) | 2021-02-24 |
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