CN206718914U - A kind of light-duty suspension of semitrailer - Google Patents
A kind of light-duty suspension of semitrailer Download PDFInfo
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- CN206718914U CN206718914U CN201720596694.9U CN201720596694U CN206718914U CN 206718914 U CN206718914 U CN 206718914U CN 201720596694 U CN201720596694 U CN 201720596694U CN 206718914 U CN206718914 U CN 206718914U
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Abstract
A kind of light-duty suspension of semitrailer, belong to semitrailer technical field, the light-duty suspension of semitrailer includes fore-stock, medium-height trestle assembly, after-poppet, leaf spring, U bolt, spring block, bracket, first pull bar, it is characterized in that, medium-height trestle assembly includes preceding medium-height trestle and rear medium-height trestle, counter-jib is respectively arranged with preceding medium-height trestle and rear medium-height trestle, the upside at counter-jib both ends respectively with leaf spring clamping, convex connecting portion is provided with down on the downside of counter-jib one end, connecting portion is provided with the second pull bar with bracket top side, the equal length of second pull bar and the first pull bar, and second pull bar, angle between first pull bar and horizontal plane is equal, the beneficial effects of the utility model are, the light-duty suspension frame structure advantages of simple of semitrailer, security performance is high, meet light-weighted requirement, and reduce manufacture and inventory cost, suitable for promoting the use of.
Description
Technical field
It the utility model is related to semitrailer technical field, more particularly to a kind of light-duty suspension of semitrailer.
Background technology
Semi-mounted suspension transmits tractive force of the tractor by vehicle frame between vehicle frame or vehicle body and axletree or wheel,
The device of the various power and torque that act between wheel and vehicle frame or vehicle body is transmitted simultaneously.Be semitrailer critical component it
One.It includes counter-jib, after-poppet assembly, U bolt, spring block, bracket and pull bar group by armature assembly, medium-height trestle assembly
Into.Before, during and after bracket assembly weld together according to lower wing plate of the wheelbase requirement of axletree respectively with semi-trailer frame, axletree
Fixed by spring block, bracket with latch plate, tightened together using U bolt, will then held in the palm using long draw and short rod
Frame connects with fore-stock, preceding medium-height trestle with the key seat on rear medium-height trestle, so as to form the suspension system of complete set.
There is the defects of the following aspects in this conventional suspension, in vehicle operation so as to cause semitrailer manufacturing cost
It is high with working service cost, increase buying and the use and maintenance cost of user.
1st, pull bar angle is big.Ensure that semitrailer is in good running status in use, the angle of pull bar should be controlled
System is between 4 ° ~ 7 °, and pull bar angle is big, and the elastic distance of pull bar is big in operation for vehicle, so as to cause axle distance
Change greatly, the phenomenon for eating tire occur, and the angle of existing suspension system pull bar is between 9 ° ~ 12 °, beyond rational
Angular range, turn into the important hidden danger that semitrailer eats tire.
2nd, the weight of existing suspension system is big, is unfavorable for the light-weighted trend of current semitrailer.In July, 2016 issues and implements
National standard《Automobile, trailer and truck combination contour dimension, axle load and quality limitation》To the load of vehicle in GB1589-2016
Lotus limiting value is significantly lowered, and car owner certainly will require semitrailer lightweight, therefore semi-mounted to improve transport benefits
The lightweight of car is imperative.
3rd, existing suspension complicated integral structure, stock utilization is low, and manufacturing cost is high.Due to fore-stock, preceding medium-height trestle
Key seat must be welded with rear medium-height trestle pull bar and bracket could to be connected, so manufacturing process is more, manufacturing cost is high；In addition
Support height is high, especially preceding medium-height trestle and rear medium-height trestle, reduce the rigidity of support, so as to reduce support in operation
Torsional property, easily there is support torsional deformation.
The length of three pull bars in existing suspension system is inconsistent, and the pull bar being connected with fore-stock pull bar is shorter, and preceding
Two pull bars that medium-height trestle connects with rear medium-height trestle are longer, and making stock to manufacturer brings inconvenience.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of light-duty suspension of semitrailer, efficiently solves mesh
Preceding semitrailer suspension system arrangement is complicated, weight is big, unreasonable structure makes the problem of manufacturing cost is high, potential safety hazard is big, purpose
It is, there is provided a kind of light-duty suspension of semitrailer, by removing the key seat of cylinder lever connecting rod, change preceding medium-height trestle, rear medium-height trestle, put down
The structure of weighing apparatus arm, connects the side plate of pull bar and counter-jib, while pull bar is arranged to interchangeable general pull bar and adjusts its angle
Degree, makes suspension overall structure advantages of simple, lightweight, security performance higher.
To achieve the above object, technical scheme is used by the utility model solves its technical problem：The semitrailer
Light-duty suspension, including fore-stock, medium-height trestle assembly, after-poppet, fore-stock and medium-height trestle assembly, medium-height trestle assembly and after-poppet it
Between be connected to leaf spring, U bolt is set in the middle part of leaf spring, U bolt bottom sets spring block, bracket is set in U bolt,
First pull bar is set between bracket and fore-stock bottom, it is characterised in that during the medium-height trestle assembly is including preceding medium-height trestle and afterwards
Counter-jib is respectively arranged with support, preceding medium-height trestle and rear medium-height trestle, the upside at counter-jib both ends balances respectively with leaf spring clamping
Be provided with down convex connecting portion on the downside of arm one end, connecting portion and bracket top side are provided with the second pull bar, the second pull bar with
The equal length of first pull bar, and the angle between the second pull bar, the first pull bar and horizontal plane is equal.
Further, the angle between second pull bar, the first pull bar and horizontal plane is disposed as 5 ° ~ 6 °.
Further, the bottom of the connecting portion of the counter-jib and the bottom of fore-stock are in same level.
Further, the preceding medium-height trestle and rear medium-height trestle are arranged to same parts, and height is respectively less than the height of fore-stock
Degree.
Further, the fore-stock bottom sets connecting pin bores, and connecting pin bores is connected with one end of the first pull bar.
The beneficial effects of the utility model are：
1st, the first pull bar and the angle of the second pull bar and horizontal plane are have adjusted, between 5 ° ~ 6 °, pull bar angle is more closed
Reason, the variable quantity of vehicle axle distance in operation is reduced, so as to reduce the hidden danger that vehicle eats tire.
2nd, the key seat of fore-stock bottom is eliminated, and changes the structure of preceding medium-height trestle and rear medium-height trestle, makes preceding medium-height trestle
Same parts are arranged to rear medium-height trestle, and height is respectively less than the height of fore-stock, and the rigidity of suspension is greatly improved and resists
Performance is turned round, reduces the risk for being suspended in torsional deformation in vehicle operation；Simultaneously also by a relatively large margin save raw material so that
Manufacturing cost reduces, and also reduces the weight of a whole set of suspension system, often covers suspension and reduces about 40 kilograms of weight, meets semi-mounted
The light-weighted demand of car.
3rd, due to having redesigned the structure of fore-stock and counter-jib, the installation site of bracket and spring block is changed, is made
The first pull bar is connected between fore-stock and bracket, convex connecting portion under being set on the downside of counter-jib one end, between connecting portion and bracket
Connect the second pull bar, make the connecting portion of counter-jib bottom and fore-stock bottom in same level, make the first pull bar and
The length of two second pull bars is consistent, is unified, and is advantageous to the production of enterprise, reduces the inventory cost of enterprise.
To sum up, the light-duty suspension frame structure advantages of simple of the semitrailer, security performance are high, meet light-weighted requirement, and drop
Low manufacture and inventory cost, suitable for promoting the use of.
Brief description of the drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing 1 is structural representation of the present utility model；
In accompanying drawing：1. fore-stock, 11. connecting pin bores, 2. medium-height trestle assemblies, medium-height trestle before 21., medium-height trestle after 22., 23.
Counter-jib, 231. connecting portions, 3. after-poppets, 4. leaf springs, 5.U shape bolts, 6. spring blocks, 7. brackets, 8. first pull bars, 9. second
Pull bar.
Embodiment
The utility model is described in further detail with reference to accompanying drawing 1, so that the public preferably grasps reality of the present utility model
Applying method, the utility model specific embodiment are：As shown in Figure 1, the light-duty suspension of a kind of semitrailer, including fore-stock 1,
Plate is connected between medium-height trestle assembly 2, after-poppet 3, fore-stock 1 and medium-height trestle assembly 2, medium-height trestle assembly 2 and after-poppet 3
Spring 4, the middle part of leaf spring 4 set U bolt 5, and the bottom of U bolt 5 sets spring block 6, set bracket 7 in U bolt 5, bracket 7 with
First pull bar 8 is set between the bottom of fore-stock 1, it is characterised in that the medium-height trestle assembly 2 includes preceding medium-height trestle 21 and rear middle branch
Frame 22, is respectively arranged with counter-jib 23 in preceding medium-height trestle 21 and rear medium-height trestle 22, the upside at the both ends of counter-jib 23 respectively with leaf spring 4
Clamping, is provided with down convex connecting portion 231 on the downside of the one end of counter-jib 23, and connecting portion 231 and the top side of bracket 7 are provided with the
The equal length of two pull bars 9, the second pull bar 9 and the first pull bar 8, and the folder between the second pull bar 9, the first pull bar 8 and horizontal plane
Angle is equal.
Further, the angle between second pull bar 9, the first pull bar 8 and horizontal plane is disposed as 5 ° ~ 6 °, described
Within the scope of angle is rational at 4 ° ~ 7 °, the variable quantity of vehicle axle distance in operation is reduced, is eaten so as to reduce vehicle
The hidden danger of tire.
Further, the bottom of the connecting portion 231 of the counter-jib 23 and the bottom of fore-stock 1 be in same level,
Ensure that the length of the first pull bar 8 and two second pull bars 9 is unified, be advantageous to the production of enterprise, reduce the storehouse of enterprise
It is saved as this.
Further, the preceding medium-height trestle 21 and rear medium-height trestle 22 are arranged to same parts, and height is respectively less than fore-stock 1
Height, the rigidity and torsional property of preceding medium-height trestle 21 and rear medium-height trestle 22 is greatly improved, while alleviate weight, improves
The security of driving.
Further, the bottom of fore-stock 1 sets connecting pin bores 11, connecting pin bores 11 and one end phase of the first pull bar 8
Even, the key seat of the lower end of fore-stock 1 is eliminated, not only saves manufacturing cost, also improves its rigidity and torsional property.
The beneficial effects of the utility model are：By adjusting the angle of the first pull bar 8 and the second pull bar 9 and horizontal plane, it is situated between
Between 5 ° ~ 6 °, pull bar angle is more reasonable, the variable quantity of vehicle axle distance in operation is reduced, so as to reduce vehicle
Eat the hidden danger of tire；The key seat of the bottom of fore-stock 1 is eliminated, and changes the structure of preceding medium-height trestle 21 and rear medium-height trestle 22, before making
Medium-height trestle 21 and rear medium-height trestle 22 are arranged to same parts, and height is respectively less than the height of fore-stock 1, and suspension is greatly improved
Rigidity and torsional property, reduce be suspended in vehicle operation in torsional deformation risk；Also saving by a relatively large margin simultaneously
Raw material so that manufacturing cost reduces, and also reduces the weight of a whole set of suspension system, often covers suspension and reduces the public affairs of weight about 40
Jin, meets the light-weighted demand of semitrailer；Due to having redesigned the structure of fore-stock 1 and counter-jib 23, bracket 7 is changed
With the installation site of spring block 6, make to connect the first pull bar 8 between fore-stock 1 and bracket 7, under setting on the downside of the one end of counter-jib 23
Convex connecting portion 231, the second pull bar 9 is connected between connecting portion 231 and bracket 7, make counter-jib 23 connecting portion 231 bottom with
The bottom of fore-stock 1 makes the length of the first pull bar 8 and two second pull bars 9 unified, is advantageous to enterprise in same level
Production, reduce the inventory cost of enterprise.
To sum up, the light-duty suspension frame structure advantages of simple of the semitrailer, security performance are high, meet light-weighted requirement, and drop
Low manufacture and inventory cost, suitable for promoting the use of.
Described above, simply explained through diagrams some principles of the present utility model, and this specification is not intended to this practicality
It is new to be confined in shown described concrete structure and the scope of application, therefore every corresponding modification for being possible to be utilized and wait
Jljl, belong to the apllied the scope of the claims of the utility model.
In addition to technical characteristic described in specification, remaining technical characteristic is technology known to those skilled in the art.
Claims (5)
1. a kind of light-duty suspension of semitrailer, including fore-stock（1）, medium-height trestle assembly（2）, after-poppet（3）, fore-stock（1）With in
Bracket assembly（2）, medium-height trestle assembly（2）And after-poppet（3）Between be connected to leaf spring（4）, leaf spring（4）Middle part sets U-shaped
Bolt（5）, U bolt（5）Bottom sets spring block（6）, U bolt（5）Interior setting bracket（7）, bracket（7）With fore-stock
（1）First pull bar is set between bottom（8）, it is characterised in that the medium-height trestle assembly（2）Including preceding medium-height trestle（21）In rear
Support（22）, preceding medium-height trestle（21）With rear medium-height trestle（22）Inside it is respectively arranged with counter-jib（23）, counter-jib（23）Both ends it is upper
Side respectively with leaf spring（4）Clamping, counter-jib（23）Convex connecting portion is provided with down on the downside of one end（231）, connecting portion（231）With
Bracket（7）Top side is provided with the second pull bar（9）, the second pull bar（9）With the first pull bar（8）Equal length, and second draw
Bar（9）, the first pull bar（8）Angle between horizontal plane is equal.
2. the light-duty suspension of semitrailer according to claim 1, it is characterised in that：Second pull bar（9）, the first pull bar
（8）Angle between horizontal plane is disposed as 5 ° ~ 6 °.
3. the light-duty suspension of semitrailer according to claim 1, it is characterised in that：The counter-jib（23）Connecting portion
（231）Bottom and fore-stock（1）Bottom in same level.
4. the light-duty suspension of semitrailer according to claim 1, it is characterised in that：The preceding medium-height trestle（21）With rear medium-height trestle
（22）Same parts are arranged to, and height is respectively less than fore-stock（1）Height.
5. the light-duty suspension of semitrailer according to claim 1 or 4, it is characterised in that：The fore-stock（1）Bottom, which is set, to be connected
Pin hole（11）, connecting pin bores（11）With the first pull bar（8）One end be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596694.9U CN206718914U (en) | 2017-05-26 | 2017-05-26 | A kind of light-duty suspension of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720596694.9U CN206718914U (en) | 2017-05-26 | 2017-05-26 | A kind of light-duty suspension of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206718914U true CN206718914U (en) | 2017-12-08 |
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ID=60511837
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720596694.9U Active CN206718914U (en) | 2017-05-26 | 2017-05-26 | A kind of light-duty suspension of semitrailer |
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| Country | Link |
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| CN (1) | CN206718914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823800A (en) * | 2020-06-02 | 2020-10-27 | 新乡市华烁车辆有限公司 | Three-shaft semitrailer with variable shaft load |
-
2017
- 2017-05-26 CN CN201720596694.9U patent/CN206718914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823800A (en) * | 2020-06-02 | 2020-10-27 | 新乡市华烁车辆有限公司 | Three-shaft semitrailer with variable shaft load |
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