CN107554613A - It is a kind of to be adapted to cross-country pull chassis - Google Patents
It is a kind of to be adapted to cross-country pull chassis Download PDFInfo
- Publication number
- CN107554613A CN107554613A CN201710797613.6A CN201710797613A CN107554613A CN 107554613 A CN107554613 A CN 107554613A CN 201710797613 A CN201710797613 A CN 201710797613A CN 107554613 A CN107554613 A CN 107554613A
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- Prior art keywords
- swing arm
- crossbeam
- cross
- bearing sleeve
- air bag
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- 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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- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 8
- 230000003139 buffering effect Effects 0.000 claims description 5
- 239000002775 capsule Substances 0.000 claims 2
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses it is a kind of be adapted to it is cross-country pull chassis, there is underframe, the underframe includes a plurality of crossbeam（1）And longeron（2）, the underframe both sides are respectively equipped with hanging beam swell upwards and parallel with the longeron（3）, the hanging beam lower section is provided with the bearing sleeve to fixed tire axle vertical with longeron（4）, the bearing sleeve is hinged by swing arm and crossbeam, provided with the air bag buffered between the bearing sleeve and hanging beam（6）, the air bag is provided with electronic charging and discharging valve, and air bag height can be adjusted；Compared with prior art, cross-country power of the present invention is strong, ride comfort, and vehicle is steady during parking, and user experience is good, while the advantages of structure optimization, cheap be present.
Description
Technical field
The present invention relates to towed vehicle, more particularly to a kind of it is adapted to cross-country pull chassis.
Background technology
Current people advocate self-driving travel, like going outside of the city play with the about upper friend of household.When belongings are more, meeting
Trailer is hung up behind motor vehicles.But two horizontally-arranged wheels of existing towed vehicle use dependent suspension, are entering
Jolted during row cross-country run more serious；Simultaneously to when reaching campsite parking rest, frame is in suspension always for vehicle, vehicle body
It is not very stable.
Therefore, how to design that a cross-country power is strong, chassis is smoothly pulled in parking is industry technology urgently to be resolved hurrily
Problem.
The content of the invention
In order to solve drawbacks described above present in prior art, the present invention proposes that a kind of cross-country power is strong, parking is stable
Pull chassis.
In order to solve the above technical problems, technical scheme proposed by the present invention, which is that design is a kind of, is adapted to cross-country towed vehicle bottom
Disk, has a underframe, and the underframe includes a plurality of crossbeam and longeron, the underframe both sides be respectively equipped with it is swelling upwards and with institute
The parallel hanging beam of longeron is stated, the bearing sleeve to fixed tire axle vertical with longeron, institute are provided with below the hanging beam
State bearing sleeve to be hinged by swing arm and crossbeam, the air bag of buffering, the air bag are provided between the bearing sleeve and hanging beam
Electronic charging and discharging valve is provided with, air bag height can be adjusted.
Air-bag base is provided between the top surface of the air bag and bearing sleeve, lower end and the bearing sleeve of air-bag base are cut with scissors
Connect, the upper end of air-bag base is hinged by connecting rod and the crossbeam, and the crossbeam, connecting rod, air-bag base, swing arm form one four
Side shape structure, to keep air bag vertical.
A hydraulic damping bar is provided between the side of the bearing sleeve and hanging beam.
The connecting rod, air bag, air-bag base, hydraulic damping bar, it is in same longitudinal plane.
The swing arm includes interior swing arm and outer swing arm, and interior swing arm is hinged between one end on the inside of bearing sleeve and crossbeam,
Outer swing arm is hinged between one end on the outside of bearing sleeve and crossbeam.
A support beam is connected between the interior swing arm and outer swing arm, the hanging beam hangs down one towards support beam and supported
Post；When bladder is filled with air, space is left between support column bottom surface and support top surface of the beam；In the drained air of air bag, support
Post bottom surface props up support top surface of the beam.
The interior swing arm and outer swing arm are hinged by eccentric adjustable mechanism and the crossbeam respectively, described eccentric adjusting machine
Structure has the fixed seat being welded on crossbeam, can be accommodated between two side walls of fixed seat and be fixedly connected with interior swing arm or outer swing arm end
The axle sleeve in portion, the bolt hole of elongate in shape is all opened up in two side walls of fixed seat, " C " font is fixed in the outer surface of fixed seat side wall
The fixing groove of shape, one eccentric shaft of clamping in fixing groove, the lateral surface of the eccentric shaft fix a spanner, in eccentric shaft and spanner
Open up an off-centered screw, bolt through the spanner, eccentric shaft, fixed seat side wall, axle sleeve by the interior swing arm or
Outer swing arm and the crossbeam are hinged.
The rubber sleeve of tubulose is provided between the axle sleeve and bolt.
The front end of the underframe is provided with the traction link of triangle prominent forward, and the top of traction link, which is provided with, pulls machine
Structure.
Compared with prior art, cross-country power of the present invention is strong, ride comfort, and vehicle is steady during parking, and user experience is good,
The advantages of structure optimization, cheap be present simultaneously.
Brief description of the drawings
With reference to embodiment and accompanying drawing, the present invention is described in detail, wherein：
Fig. 1 is the top view of preferred embodiment；
Fig. 2 is the three-dimensional view of preferred embodiment；
Fig. 3 is the three-dimensional view that a wheel is removed in preferred embodiment；
Fig. 4 is the upward view of preferred embodiment；
Fig. 5 is that sectional view of the direction to eccentric adjustable mechanism is looked up in preferred embodiment；
Fig. 6 is the sectional view to eccentric adjustable mechanism amplification；
Fig. 7 is the decomposition view of preferred embodiment hitch；
Fig. 8 is the three-dimensional view of fixed seat in preferred embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is described in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, not
For limiting the present invention.
Present invention is disclosed it is a kind of be adapted to it is cross-country pull chassis, referring to the top view and stereopsis shown in Fig. 1 and Fig. 2
Figure, it has underframe, and the underframe is welded by a plurality of crossbeam 1 and longeron 2.To avoid hitch, while also make chassis
Lower the center of gravity, the hanging beam 3 swelled upwards is respectively equipped with underframe both sides, the hanging beam 3 is from grand between two adjacent crossbeams
Rise, and it is parallel with the longeron.The bearing sleeve 4 vertical with longeron is provided with below hanging beam, can be installed in the bearing sleeve
Fixed tire axle.The bearing sleeve is hinged by swing arm and crossbeam, and buffering is provided between the bearing sleeve and hanging beam
Air bag 6.Hanging beam 3, air bag 6, swing arm form a triangular structure, and in motion, air bag 6 plays a part of buffering.Pull
Two tires 23 of car or so are independent suspensions, can keep the steady of towed vehicle as far as possible when running into rough ground.The air bag
Electronic charging and discharging valve is provided with, by remote controller operation, the height of air bag can be adjusted.When air bag height is relatively low, towed vehicle
Center of gravity it is low, be adapted to traveling expressway；When air bag height is higher, the height of chassis from the ground is just high, and suitable traveling is uneven
Crankcase ventilaton.In the preferred embodiment, the altitude range of air bag is 0 to 170mm.
Referring to the decomposition view for taking away the hitch shown in the three-dimensional view and Fig. 7 of wheel shown in Fig. 3, the air bag 6
Air-bag base 7 is provided between the top surface of bearing sleeve 4, lower end and the bearing sleeve of air-bag base are hinged, air-bag base it is upper
End is be hinged with the crossbeam 1 by connecting rod 8, and the crossbeam, connecting rod, air-bag base, swing arm form a quadrilateral structure.Traveling
When on rugged road, quadrilateral structure can keep air-bag base vertical, so as to ensure that air bag is vertical, play air bag
Optimal shock-proof effect.
Because inside air bag is air, compression and stretching reaction speed are fast, to increase the stability of towed vehicle, in the axle
A hydraulic damping bar 9 is provided between the side of cartridge 4 and hanging beam 3.The hydraulic damping bar 9 is to bearing sleeve in hanging beam
Damping action is played in the distance between 3 changes.
In the preferred embodiment, the connecting rod 8, air bag 6, air-bag base 7, hydraulic damping bar 9, it is in same longitudinal put down
In face.Distorting stress is small when towed vehicle is driven a vehicle, and easily keeps the stabilization of driving.
Referring to the upward view of the preferred embodiment shown in Fig. 4, to increase the intensity of swing arm, the branch to bearing sleeve 4 is improved
Support force, ensure that bearing sleeve 4 is vertical with direction of traffic, the swing arm includes interior swing arm 5a and outer swing arm 5b, interior swing arm are hinged on
Between one end of the inner side of bearing sleeve 4 and crossbeam 1, outer swing arm is hinged between one end and the crossbeam 1 in the outside of bearing sleeve 4.
When towed vehicle reaches campsite, vehicle no longer travels, and personnel's daily life in towed vehicle passes in and out, and now trailer is to shelve
On middle air bag, a support beam 5c is connected so in the preferred embodiment, between the interior swing arm 5a and outer swing arm 5b, it is described
Hanging beam 3 hangs down a support column 10 towards support beam 5c.After reaching guard station, the drained air of air bag, support column bottom surface props up branch
Top surface of the beam is supportted, not in action, towed vehicle is steady for air bag, and user experience is improved.When needing traveling, into air bag 6
During full of air, hanging beam 3 is jacked up, and space is formed between support column bottom surface and support top surface of the beam, and air bag rises again in motion
To the effect of buffering.
Under steam, due to shaking and wearing, eight words or toed-out in the easy generation of the tire of left and right two, travel vehicle
It is unstable, tire wear aggravation.In the preferred embodiment, the interior swing arm 5a and outer swing arm 5b passes through eccentric adjustable mechanism respectively
It is be hinged with the crossbeam 1.Adjustment eccentric adjustable mechanism can make two tires parallel with direction of traffic.
Fig. 5, which is shown, looks up sectional view of the direction to eccentric adjustable mechanism, and Fig. 6 shows cuing open for eccentric adjustable mechanism amplification
View, Fig. 7 show the decomposition view of hitch, and described eccentric adjustable mechanism has the fixed seat being welded on crossbeam
11, the axle sleeve 12 for being fixedly connected with interior swing arm 5a or outer swing arm 5b end, fixed seat can be accommodated between two side walls 13 of fixed seat
The bolt hole 14 of elongate in shape is all opened up in two side walls, the fixing groove 15 of " C " font shape is fixed in the outer surface of fixed seat side wall,
One eccentric shaft 16 of clamping in fixing groove, the lateral surface of the eccentric shaft fix a spanner 17, one are opened up in eccentric shaft and spanner
Individual off-centered screw 19, bolt 18 through the spanner, eccentric shaft, fixed seat side wall, axle sleeve by the interior swing arm 5a or
Outer swing arm 5b and the crossbeam 1 are hinged.With tool palette wrench 17, the position of screw 19 is can adjust, so as to adjust wheel
The position of tire rotating shaft, ensure that two tires are parallel with direction of traffic.The meaning of icon 21 is nut in figure, and icon 22 is signified for brake
Wheel hub.
Referring to the sectional view of the preferred embodiment shown in Fig. 6, the rubber of tubulose is provided between the axle sleeve 12 and bolt 18
Set 20.Rubber sleeve 20 plays cushioning effect, while rubber sleeve energy slight deformation, and when eccentric shaft is adjusted, bolt 18 also can be therewith
Slight displacement is produced, rubber sleeve all the time can be good fit with bolt 18.
Referring to the three-dimensional view of the fixed seat shown in Fig. 8, the spiral shell of elongate in shape is all opened up in two side walls 13 of fixed seat
Keyhole 14, the long axis direction of two bolts hole are mutually perpendicular to, and are easy to eccentric instruction.
The front end of the underframe is provided with the traction link 30 of triangle prominent forward, and the top of traction link, which is provided with, pulls
Mechanism 24.Towing mechanism is the device for facilitating towed vehicle to be connected with front power car, and the traction link of triangle is to ensure
There is a suitable spacing between front vehicles and rear towed vehicle.
Above example by way of example only, is not intended to limit the invention, within the spirit and principles of the invention
All any modification, equivalent and improvement made etc., should be included in the scope of the protection.
Claims (9)
1. it is a kind of be adapted to it is cross-country pull chassis, there is underframe, the underframe includes a plurality of crossbeam（1）And longeron（2）, it is special
Sign is：The underframe both sides are respectively equipped with hanging beam swell upwards and parallel with the longeron（3）, the hanging beam
Lower section is provided with the bearing sleeve to fixed tire axle vertical with longeron（4）, the bearing sleeve passes through swing arm and crossbeam and cuts with scissors
Connect, the air bag of buffering is provided between the bearing sleeve and hanging beam（6）, the air bag is provided with electronic charging and discharging valve,
Air bag height can be adjusted.
2. it is adapted to cross-country pull chassis as claimed in claim 1, it is characterised in that：The air bag（6）With bearing sleeve
（4）Top surface between be provided with air-bag base（7）, lower end and the bearing sleeve of air-bag base be hinged, and the upper end of air-bag base passes through
Connecting rod（8）With the crossbeam（1）Be hinged, the crossbeam, connecting rod, air-bag base, swing arm form a quadrilateral structure, to keep
Air bag is vertical.
3. it is adapted to cross-country pull chassis as claimed in claim 2, it is characterised in that：The bearing sleeve（4）Side
With hanging beam（3）Between be provided with a hydraulic damping bar（9）.
4. it is adapted to cross-country pull chassis as claimed in claim 3, it is characterised in that：The connecting rod（8）, air bag（6）, gas
Capsule base（7）, hydraulic damping bar（9）, it is in same longitudinal plane.
5. it is adapted to cross-country pull chassis as claimed in claim 4, it is characterised in that：The swing arm includes interior swing arm（5a）
And outer swing arm（5b）, interior swing arm is hinged on bearing sleeve（4）One end of inner side and crossbeam（1）Between, outer swing arm is hinged on bearing
Sleeve pipe（4）The one end in outside and crossbeam（1）Between.
6. it is adapted to cross-country pull chassis as claimed in claim 5, it is characterised in that：The interior swing arm（5a）And outer swing arm
（5b）Between connect a support beam（5c）, the hanging beam（3）Towards support beam（5c）Hang down a support column（10）；In gas
Capsule（6）During full of air, space is left between support column bottom surface and support top surface of the beam；In the drained air of air bag, support column bottom
Face props up support top surface of the beam.
7. it is adapted to cross-country pull chassis as claimed in claim 6, it is characterised in that：The interior swing arm（5a）And outer swing arm
（5b）Pass through eccentric adjustable mechanism and the crossbeam respectively（1）Be hinged, described eccentric adjustable mechanism, which has, to be welded on crossbeam
Fixed seat（11）, two side walls of fixed seat（13）Between can accommodate and be fixedly connected with interior swing arm（5a）Or outer swing arm（5b）End
Axle sleeve（12）, the bolt hole of elongate in shape is all opened up in two side walls of fixed seat（14）, the outer surface of fixed seat side wall is fixed
The fixing groove of " C " font shape（15）, one eccentric shaft of clamping in fixing groove（16）, the lateral surface of the eccentric shaft fixes a spanner
（17）, an off-centered screw is opened up in eccentric shaft and spanner（19）, bolt（18）Through the spanner, eccentric shaft, consolidate
Reservation side wall, axle sleeve are by the interior swing arm（5a）Or outer swing arm（5b）With the crossbeam（1）It is hinged.
8. it is adapted to cross-country pull chassis as claimed in claim 7, it is characterised in that：The axle sleeve（12）With bolt（18）
Between be provided with tubulose rubber sleeve（20）.
9. it is adapted to cross-country pull chassis as claimed in claim 8, it is characterised in that：The front end of the underframe is provided with forward
The traction link of prominent triangle（30）, the top of traction link is provided with towing mechanism（24）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797613.6A CN107554613B (en) | 2017-09-06 | 2017-09-06 | Trailer chassis suitable for cross country |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797613.6A CN107554613B (en) | 2017-09-06 | 2017-09-06 | Trailer chassis suitable for cross country |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107554613A true CN107554613A (en) | 2018-01-09 |
| CN107554613B CN107554613B (en) | 2024-04-16 |
Family
ID=60979220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797613.6A Active CN107554613B (en) | 2017-09-06 | 2017-09-06 | Trailer chassis suitable for cross country |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107554613B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788071A (en) * | 2021-09-09 | 2021-12-14 | 荣成怡丰机械制造股份有限公司 | Chassis structure of motor home |
| CN115302998A (en) * | 2022-04-28 | 2022-11-08 | 康诚(江苏)机械制造有限公司 | Wheel suspension beam mounting structure and air suspension chassis of cross-country trailer |
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| CN115302998A (en) * | 2022-04-28 | 2022-11-08 | 康诚(江苏)机械制造有限公司 | Wheel suspension beam mounting structure and air suspension chassis of cross-country trailer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107554613B (en) | 2024-04-16 |
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