CN206537364U - A kind of longitudinal beam structure of semitrailer - Google Patents
A kind of longitudinal beam structure of semitrailer Download PDFInfo
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- CN206537364U CN206537364U CN201720151288.1U CN201720151288U CN206537364U CN 206537364 U CN206537364 U CN 206537364U CN 201720151288 U CN201720151288 U CN 201720151288U CN 206537364 U CN206537364 U CN 206537364U
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- fixedly connected
- damping
- longeron
- pillar
- plummer
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Abstract
The utility model discloses a kind of longitudinal beam structure of semitrailer, including longeron body, the quantity of the longeron body is two and is fixedly connected by three crossbeams, stress dispersion hole is offered on the longeron body, and annular damper is installed with stress dispersion hole, the annular damper includes retainer ring and connection ring, and the retainer ring is fixedly connected by shock structure with connection ring.By setting stress dispersion hole and annular damper; the stress that longeron body is subject to is subjected to damping using annular damper and disperseed, the effect of damping has been not only acted as, and protect the structure of longeron significantly; improve the fatigue strength of longeron; strengthen longeron by force intensity, it is to avoid longeron stress is excessive and deforms, and improves the service life of longeron; more safety and stability; and the weight of the longeron mitigated, indirectly reduces the weight of vehicle, economical and practical type is greatly increased.
Description
Technical field
The utility model is related to automobile technical field, specially a kind of longitudinal beam structure of semitrailer.
Background technology
Semitrailer is that axletree is placed in behind vehicle's center of gravity, and equipped with horizontal and vertical power can be delivered to the connection of tractor
Tie the trailer of device.Semitrailer is usually three axle semitrailers, and its species is divided into 11 rice barn column semitrailers, and 13 rice barn columns are low
A lot of species such as flat bed trailer.It is a kind of heavy transport vehicle being connected by towing pin with semi-mounted headstock.
Compared with " monomer-type " automobile, semitrailer can more improve the overall economic efficiency of highway transportation.Conevying efficiency can
30-50% is improved, cost reduction 30-40%, oil consumption declines 20-30%.Importantly, the use of semitrailer, moreover it is possible to China's thing
The organizational form of stream plays a certain degree of facilitation.
Vehicle frame is most important load bearing component in automobile, and longitudinal beam is one of vital part therein, so vertical
Beam plays important carrying effect on automobile, and straight frame, the central frame of automobile etc. contains longeron.Longeron is usual
It is stamped to form with low alloy steel plate, section configuration is generally groove profile, what is also had makes Z-shaped or box equal section.
Common semi-trailer longitudinal beam is generally integral structure, and stress is excessively concentrated in use, and longeron will be by
Larger impulsive force, and traditional longeron does not possess the effect of damping, so as to cause easily impaired deformation after longeron stress, uses
Life-span diminishes, also with certain potential safety hazard.
The content of the invention
The purpose of this utility model is to provide a kind of longitudinal beam structure of semitrailer, possesses the advantage of damping, solve and subtract
The problem of shake is not enough.
To achieve the above object, the utility model provides following technical scheme：A kind of longitudinal beam structure of semitrailer, including it is vertical
Beam body, the quantity of the longeron body is fixedly connected for two and by three crossbeams, and being offered on the longeron body should
Annular damper is installed with power dispersion hole, and stress dispersion hole, the annular damper includes retainer ring and connection
Ring, the retainer ring is fixedly connected by shock structure with connection ring；
The shock structure includes mounting blocks, and the bottom of the mounting blocks is fixedly connected with jacking block, and the bottom of the jacking block is consolidated
Surely the first damping shell is connected with, the bottom of the first damping shell is fixedly connected with the first pressing plate, first damping
The inside of shell is provided with the first pillar, the bottom of first pillar sequentially pass through from top to bottom the first damping shell and first by
Pressing plate and the bottom for extending to the first pressing plate, the bottom of first pillar are fixedly connected with the first plummer, described first
The surface of pillar is socketed with the first damping spring, and the top of first damping spring is fixed with the bottom of the first pressing plate to be connected
Connect, the bottom of first damping spring at the top of the first plummer with being fixedly connected, and the bottom of first plummer is fixed
The second pillar is connected with, the lower section of first plummer is provided with the second damping shell, the bottom of the second damping outer casing inner wall
Portion is fixedly connected with the top of the second damping spring, second damping spring and is fixedly connected with the second pressing plate, described second
The bottom of pillar is through the second damping shell and extends to its inside with being fixedly connected at the top of the second pressing plate.
It is preferred that, the outer wall of the retainer ring is fixedly mounted in stress dispersion hole, and peace is fixed at the top of the mounting blocks
On the inwall of retainer ring, the bottom of the second damping shell is fixedly mounted on the outer wall of connection ring.
It is preferred that, the surface of the second damping shell is fixedly connected with the second plummer, the top of second plummer
Portion is fixedly connected with the bottom that the first plummer is fixedly connected at the top of the first secondary spring, first secondary spring, institute
State and the second secondary spring is fixedly connected with the top of the second damping shell, is fixedly connected at the top of second secondary spring
The bottom of one plummer.
It is preferred that, the top of first abutment surface is fixedly connected with pulley, the bottom correspondence first of the jacking block
The position of column top is fixedly connected with rubber buffer.
It is preferred that, the quantity of the shock structure is eight and equidistant is circumferentially positioned on the outer wall of connection ring.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the stress that longeron body is subject to is utilized ring by the utility model by setting stress dispersion hole and annular damper
Shape damper carries out damping and scattered, has not only acted as the effect of damping, and protects the structure of longeron significantly, improves vertical
The fatigue strength of beam, strengthen longeron by force intensity, it is to avoid longeron stress is excessive and deforms, and improves making for longeron
With life-span, more safety and stability, and the weight of the longeron mitigated, the weight of vehicle is indirectly reduced, economical and practical type is big
Big increase.
2nd, the utility model has disperseed second by setting the second plummer, the first secondary spring and the second secondary spring
The power that pillar is subject to, not only protects the second pillar but also adds the damping effect of shock structure, structure is more stablized.
Brief description of the drawings
Fig. 1 is the utility model structure front view；
Fig. 2 is the utility model structure top view；
Fig. 3 is the structure front view of the annular damper of the utility model；
Fig. 4 is the structure front view of the utility model shock structure.
In figure：1 longeron body, 2 crossbeams, 3 stress dispersion holes, 4 annular dampers, 5 retainer rings, 6 connection rings, 7 shock structures,
71 mounting blocks, 72 jacking blocks, 73 first damping shells, 74 first pressing plate, 75 first pillars, 76 first plummers, 77 first subtract
Shake spring, 78 second pillars, 79 second damping shells, 710 second damping springs, 711 second pressing plate, 712 second plummers,
713 first secondary springs, 714 second secondary springs, 715 pulleys, 716 rubber buffers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1-3, a kind of longitudinal beam structure of semitrailer, including longeron body 1 are referred to, the quantity of longeron body 1 is two
And be fixedly connected by three crossbeams 2, fixed peace in stress dispersion hole 3, and stress dispersion hole 3 is offered on longeron body 1
Equipped with annular damper 4, stress dispersion hole 3, which not only rises, has disperseed the stress that longeron body 1 is subject to, and strengthens longeron body 1
Bearing, and the weight of the longeron body 1 mitigated, annular damper 4 include retainer ring 5 and connection ring 6, and retainer ring 5 passes through
Shock structure 7 is fixedly connected with connection ring 6, and the outer wall of retainer ring 5 is fixedly mounted in stress dispersion hole 3, and the quantity of shock structure 7 is
Eight and it is equidistant be circumferentially positioned on the outer wall of connection ring 6, by setting the shock structure 7 of multiple diverse locations can be effectively
Mitigate the power on different directions, make the anti seismic efficiency of longeron body 1 more preferable.
Fig. 3-4 are referred to, shock structure 7 includes mounting blocks 71, and the top of mounting blocks 71 is fixedly mounted on the inwall of retainer ring 5
On, the bottom of mounting blocks 71 is fixedly connected with jacking block 72, and the bottom of jacking block 72 is fixedly connected with the first damping shell 73, and first subtracts
The bottom of shake shell 73 is fixedly connected with the first pressing plate 74, and the inside of the first damping shell 73 is provided with the first pillar 75, first
The top on the surface of pillar 75 is fixedly connected with pulley 715, is carried out by using pulley 715 on the inwall of the first damping shell 73
Slide, serve certain cushioning effect, alleviate the damage of components caused by vibrations, the bottom of the first pillar 75 on to
Under sequentially pass through the first damping shell 73 and the first pressing plate 74 and the bottom for extending to the first pressing plate 74, the first pillar 75
Bottom is fixedly connected with the first plummer 76, and the position at the top of bottom the first pillar of correspondence 75 of jacking block 72 is fixedly connected with rubber
Cushion pad 716, rubber buffer 716 is used to prevent between the top of the first pillar 75 and the top of the inwall of the first damping shell 73
Collision, it is to avoid the first pillar 75 is damaged by impact, and the surface of the first pillar 75 is socketed with the first damping spring
77, the top of the first damping spring 77 is fixedly connected with the bottom of the first pressing plate 74, the bottom of the first damping spring 77 and the
The top of one plummer 76 is fixedly connected, and the first damping spring 77 serves the effect of damping, when power is under the first plummer 76
During pressure, by the damping of the first damping spring 77, the power that the first pressing plate 74 is subject to is alleviated, the bottom of the first plummer 76 is consolidated
Surely the second pillar 78 is connected with, the lower section of the first plummer 76 is provided with the second damping shell 79, the surface of the second damping shell 79
The second plummer 712 is fixedly connected with, the top of the second plummer 712 is fixedly connected with the first secondary spring 713, the first auxiliary
The top of spring 713 is fixedly connected on the bottom of the first plummer 76, and the top of the second damping shell 79 is fixedly connected with second
Secondary spring 714, the top of the second secondary spring 714 is fixedly connected on the bottom of the first plummer 76, sets the second plummer
712nd, the first secondary spring 713 and the second secondary spring 714, have disperseed the power that the second pillar 78 is subject to, have not only protected second
Pillar 78 and the damping effect for adding shock structure 7, make structure more stablize, and the bottom of the second damping shell 79 is fixedly mounted
On the outer wall of connection ring 6, the bottom of the inwall of the second damping shell 79 is fixedly connected with the second damping spring 710, the second damping
The top of spring 710 is fixedly connected with the second pressing plate 711, and the bottom of the second pillar 78 is through the second damping shell 79 and extension
It is fixedly connected to its inside with the top of the second pressing plate 711, the second damping spring 710 is used to mitigate under the second pressing plate 711
The power of the second damping shell 79 is pressed, certain cushioning effect is served, will by setting stress dispersion hole 3 and annular damper 4
The stress that longeron body 1 is subject to carries out damping and scattered using annular damper 4, has not only acted as the effect of damping, Er Qie great
The big structure for protecting longeron, improve the fatigue strength of longeron, strengthen longeron by force intensity, it is to avoid longeron stress mistake
Deform greatly, improve the service life of longeron, more safety and stability, and the weight of the longeron mitigated, indirectly subtract
The weight of vehicle is lacked, economical and practical type is greatly increased.
In use, the impulsive force that longeron body 1 is subject to is conducted to annular damper 4, power is passed to since retainer ring 5, warp
The buffering of the first damping spring 77 and the second damping spring 710 is crossed, connection ring 6 is ultimately conducted to.
In summary：The longitudinal beam structure of the semitrailer, by stress dispersion hole 3 and annular damper 4, solves damping not
Sufficient the problem of.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of longitudinal beam structure of semitrailer, including longeron body（1）, it is characterised in that：The longeron body（1）Quantity be
Two and pass through three crossbeams（2）It is fixedly connected, the longeron body（1）On offer stress dispersion hole（3）, and stress point
Dissipate hole（3）On be installed with annular damper（4）, the annular damper（4）Including retainer ring（5）And connection ring（6）, institute
State retainer ring（5）Pass through shock structure（7）With connection ring（6）It is fixedly connected；
The shock structure（7）Including mounting blocks（71）, the mounting blocks（71）Bottom be fixedly connected with jacking block（72）, the top
Block（72）Bottom be fixedly connected with the first damping shell（73）, the first damping shell（73）Bottom be fixedly connected with
One pressing plate（74）, the first damping shell（73）Inside be provided with the first pillar（75）, first pillar（75）Bottom
End sequentially passes through the first damping shell from top to bottom（73）With the first pressing plate（74）And extend to the first pressing plate（74）Bottom
Portion, first pillar（75）Bottom be fixedly connected with the first plummer（76）, first pillar（75）Surface socket
There is the first damping spring（77）, first damping spring（77）Top and the first pressing plate（74）Bottom be fixedly connected,
First damping spring（77）Bottom and the first plummer（76）Top be fixedly connected, first plummer（76）'s
Bottom is fixedly connected with the second pillar（78）, first plummer（76）Lower section be provided with the second damping shell（79）, it is described
Second damping shell（79）The bottom of inwall is fixedly connected with the second damping spring（710）, second damping spring（710）'s
Top is fixedly connected with the second pressing plate（711）, second pillar（78）Bottom run through the second damping shell（79）And prolong
Extend its internal and the second pressing plate（711）Top be fixedly connected.
2. a kind of longitudinal beam structure of semitrailer according to claim 1, it is characterised in that：The retainer ring（5）Outer wall
It is fixedly mounted on stress dispersion hole（3）It is interior, the mounting blocks（71）Top be fixedly mounted on retainer ring（5）Inwall on, institute
State the second damping shell（79）Bottom be fixedly mounted on connection ring（6）Outer wall on.
3. a kind of longitudinal beam structure of semitrailer according to claim 1, it is characterised in that：The second damping shell（79）
Surface be fixedly connected with the second plummer（712）, second plummer（712）Top be fixedly connected with the first auxiliary bullet
Spring（713）, first secondary spring（713）Top be fixedly connected on the first plummer（76）Bottom, described second subtracts
Shake shell（79）Top be fixedly connected with the second secondary spring（714）, second secondary spring（714）Top fix connect
It is connected on the first plummer（76）Bottom.
4. a kind of longitudinal beam structure of semitrailer according to claim 1, it is characterised in that：First pillar（75）Surface
Top be fixedly connected with pulley（715）, the jacking block（72）Bottom correspondence the first pillar（75）The position at top, which is fixed, to be connected
It is connected to rubber buffer（716）.
5. a kind of longitudinal beam structure of semitrailer according to claim 1, it is characterised in that：The shock structure（7）Quantity
For eight and equidistant it is circumferentially positioned at connection ring（6）Outer wall on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720151288.1U CN206537364U (en) | 2017-02-20 | 2017-02-20 | A kind of longitudinal beam structure of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720151288.1U CN206537364U (en) | 2017-02-20 | 2017-02-20 | A kind of longitudinal beam structure of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206537364U true CN206537364U (en) | 2017-10-03 |
Family
ID=59948777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720151288.1U Active CN206537364U (en) | 2017-02-20 | 2017-02-20 | A kind of longitudinal beam structure of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206537364U (en) |
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2017
- 2017-02-20 CN CN201720151288.1U patent/CN206537364U/en active Active
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