CN107344578A - A kind of semitrailer rear-axle steering control device - Google Patents
A kind of semitrailer rear-axle steering control device Download PDFInfo
- Publication number
- CN107344578A CN107344578A CN201710753116.6A CN201710753116A CN107344578A CN 107344578 A CN107344578 A CN 107344578A CN 201710753116 A CN201710753116 A CN 201710753116A CN 107344578 A CN107344578 A CN 107344578A
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- Prior art keywords
- oil cylinder
- balancer
- control device
- adjustable plate
- hinged
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- 230000000694 effects Effects 0.000 claims description 3
- 244000261422 Lysimachia clethroides Species 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process 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
- 238000003032 molecular docking Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/08—Fifth wheel traction couplings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention discloses a kind of semitrailer rear-axle steering control device.The control device includes vehicle frame, vehicle frame is hinged with rotating disk, the symmetrical centre face of vehicle frame is hinged with balancer, the both sides in symmetrical centre face are symmetrically arranged with the front left oil cylinder and front right oil cylinder of control rear-axle steering, one end of front left oil cylinder and front right oil cylinder is hinged with balancer, the other end is hinged with vehicle frame, and drive link is plugged with the center of the balancer, it is characterised in that：One end of the drive link is hinged with adjustable plate, and the other end and balancer grafting, the adjustable plate are slidably connected along symmetrical centre face with rotating disk, the regulation oil cylinder being connected with rotating disk are additionally provided with along symmetrical centre face, the telescopic end for adjusting oil cylinder is connected with adjustable plate.The present invention in disc surfaces by setting regulation oil cylinder, regulation oil cylinder telescopic end is fixed with adjustable plate, drive link gets up adjustable plate and balancer linkage, when turning to, controllable adjustable oil cylinder adjusts the steering of balancer, so as to adjust the flexible situation i.e. rear wheel steering angle of front left oil cylinder and front right oil cylinder, rear wheel steering angle is more met actual demand, improve the percent of pass of semitrailer.
Description
Technical field
The present invention relates to semitrailer technical field, more particularly to a kind of semitrailer rear-axle steering control device.
Background technology
At present, semitrailer use is very universal, the goods to differ for transporting various length, weight, width, shape.Its
In, semitrailer rear-axle steering control device is an extremely important part, and gooseneck portion is used for and the saddle of tractor docks.Due to
The vehicle body of semitrailer is very long, it is necessary to front and back wheel steering angle during turning be considered, to cause the radius of turn phase of front and back wheel group
Unanimously, percent of pass is improved.
In order to improve the percent of pass of semitrailer, a kind of patent of invention, application number are disclosed in the prior art
CN201510928302.X, the applying date are on December 15th, 2015.The documents disclose a kind of gooseneck portion of semitrailer, knot
The structure shown in the Figure of description 1 of the documents is closed, it can be found that：The gooseneck portion includes vehicle frame, is provided with vehicle frame
Rotating disk；Vehicle frame is additionally provided with front left steering cylinder, front right steering cylinder, swing seat, free bearing；Vehicle frame is provided with can be by the rotation of rotating disk
Rotatory force is transferred to the transmission mechanism in swing seat, and transmission mechanism includes drive link, sliding bar, cylindric guiding body, guiding
Body is fixed and is installed on swing seat center, guiding body be provided with it is being available for sliding bar coaxially to pass through, match somebody with somebody with sliding bar slip
The lead-in cavity of conjunction, the central axis upright of lead-in cavity is in the line of two pin joints of swing seat；Drive link one end and rotating disk upper table
Face is fixedly connected and tie point deviates the pivot of rotating disk, and the drive link other end is hinged with sliding bar front end.Contrast text
Part by the improvement to transmission mechanism, can very efficiently, smoothly realize rotating disk and the synchronous axial system of swing seat.
But there is also open defect for above-mentioned goose neck structure.The length of semitrailer is different, result in rear-axle steering
Angle is different.And above-mentioned documents can not adjust steering angle size in real time according to the length of semitrailer, half have impact on
Trailer percent of pass.
The content of the invention
After a kind of semitrailer that can adjust steering angle in real time according to semi-trailer length
Take turns steering control device.
To achieve these goals, a kind of technical scheme of semitrailer rear-axle steering control device of the present invention is：
A kind of semitrailer rear-axle steering control device, including vehicle frame, vehicle frame are hinged with rotating disk, and the symmetrical centre face of vehicle frame is hinged with
Balancer, the both sides in symmetrical centre face are symmetrically arranged with the front left oil cylinder and front right oil cylinder of control rear-axle steering, front left oil cylinder and
One end of front right oil cylinder is hinged with balancer, and the other end is hinged with vehicle frame, and drive link is plugged with the center of the balancer, its
It is characterised by：One end of the drive link is hinged with adjustable plate, the other end and balancer grafting, and the adjustable plate is along in symmetrical
Heart face is slidably connected with rotating disk, and the regulation oil cylinder being connected with rotating disk is additionally provided with along symmetrical centre face, adjusts the flexible of oil cylinder
End is connected with adjustable plate.Regulation oil cylinder is set on rotating disk, and regulation oil cylinder telescopic end is fixed with adjustable plate, the be hinged transmission of adjustable plate
Bar, drive link are slidably connected with balancer；Rotating disk, which rotates, when turning drives regulation oil cylinder and adjustable plate to rotate, and drives drive link
Rotate and slided in balancer, so as to be rotated with dynamic blancer, result in front left oil cylinder and the elongation of front right oil cylinder or retraction, this
When can control to adjust oil cylinder to control the rotational angle of balancer so as to adjust the retracted position of front left oil cylinder and front right oil cylinder,
Front left oil cylinder and front right oil cylinder and rear wheel oil cylinder UNICOM, so as to control the steering angle of trailing wheel, make rear wheel steering angle more
Meet actual demand, improve semitrailer percent of pass.
Further, it is provided with the center of the balancer and coordinates the lead-in cavity slided, the drive link with drive link
Through lead-in cavity.By setting lead-in cavity in balancer, drive link and balancer are slidably connected, simple in construction, processing is simple,
It is easy for installation.
Further, the movable span of the free activity in one end for drive link through balancer is provided with the vehicle frame.It is anti-
Only drive link produces constructive interference with vehicle frame.
Further, the regulation oil cylinder is fixed on disc surfaces by the limiting plate of inverse u shape.Regulation oil cylinder passes through limit
Position plate is fixed, and is easy for installation and removal.
Further, the disc surfaces are provided with the guide rail along symmetrical centre face, and the adjustable plate is provided with cooperation
The chute of guide rail.Adjustable plate is outer except being fixed with oil cylinder telescopic end, and the guide rail also with rotating disk coordinates, during steering reduction oil cylinder by
Lateral pressure, avoid telescopic end from being broken.
Further, the disk lower surface is provided with the towing pin docked with tractor saddle.
Further, the telescopic end of the regulation oil cylinder is socketed with buffer spring.
Further, the regulation oil cylinder for limiting the supporting plate that adjustable plate slides by being fixed on disc surfaces, institute
State supporting plate and be fixed on disc surfaces and corresponding with adjustable plate, the regulation oil cylinder is fixed on support plate surface.Supporting plate can
The sliding distance of adjustable plate is limited, avoids adjustable plate sliding distance excessive, causes oil cylinder stroke excessive, influence normally to be driven.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of semitrailer rear-axle steering control device of the present invention adjusts oil cylinder telescopic end by setting regulation oil cylinder in disc surfaces
Fixed with adjustable plate, drive link gets up adjustable plate and balancer linkage, and when turning to, controllable adjustable oil cylinder balances to adjust
The steering of device, so as to adjust the flexible situation i.e. rear wheel steering angle of front left oil cylinder and front right oil cylinder, enable rear wheel steering angle
It is enough to be adjusted in real time according to semi-trailer length, more meet actual demand, improve the percent of pass of semitrailer.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the specific embodiment 1 of semitrailer rear-axle steering control device of the present invention.
Fig. 2 is a kind of structural representation of the specific embodiment 2 of semitrailer rear-axle steering control device of the present invention.
Fig. 3 is a kind of structural representation of the specific embodiment 3 of semitrailer rear-axle steering control device of the present invention.
Fig. 4 is Fig. 3 A-A sectional views.
Fig. 5 is a kind of steering state schematic diagram of the specific embodiment 3 of semitrailer rear-axle steering control device of the present invention.
Shown in figure：
1st, vehicle frame；2nd, rotating disk；201st, guide rail；3rd, front left oil cylinder；4 front right oil cylinders；5th, oil cylinder is adjusted；6th, limiting plate；7th, adjust
Plate；701st, chute；8th, drive link；9th, balancer；901st, lead-in cavity；10th, movable span；11st, supporting plate；12nd, towing pin；13rd, delay
Rush spring.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that these embodiments are only used for
Illustrate the present invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are to the present invention
The modifications of the various equivalent form of values fall within the application appended claims limited range.
Specific embodiment 1：
As shown in figure 1, a kind of semitrailer rear-axle steering control device, include the vehicle frame 1 of symmetrical structure, on vehicle frame 1 with tractor
The side of saddle docking is rotatably connected to rotating disk 2, and the lower surface of rotating disk 2 is provided with the towing pin 12 docked with tractor saddle.Car
Frame 1 is hinged with balancer 9 in symmetrical centre face.
The plane of symmetry of cylinder body relative frame 1 of front left oil cylinder 3 and front right oil cylinder 4 is symmetrically hinged on the both sides of vehicle frame 1, front left oil cylinder
3 and the telescopic end of front right oil cylinder 4 be respectively hinged at the both ends of balancer 9.
Regulation oil cylinder 5 is directly anchored on rotating disk 2 and telescopic end is towards the pivot of rotating disk 2, adjusts stretching for oil cylinder 5
Contracting end end has been bolted adjustable plate 7.The telescopic end outer peripheral face of regulation oil cylinder 5 is socketed with buffer spring 13 in addition.Adjust
Section plate 7 lower surface is provided with chute 701, and chute 701 is used cooperatively with the guide rail 201 on rotating disk 2 and slided along guide rail 201
It is dynamic.Drive link 8 is hinged with adjustable plate 7, and pin joint is on the central axis of regulation oil cylinder 5.
Axial centerline is provided with the lead-in cavity 901 for coordinating drive link 8 to be slidably connected in balancer 9, and drive link 8 penetrates
Lead-in cavity 901 and drive link 8 pass through one end of lead-in cavity 901 can the freely activity in the movable span 10 on vehicle frame 1.
Specific embodiment 2：
As shown in Fig. 2 a kind of semitrailer rear-axle steering control device structure and specific embodiment 1 are essentially identical, difference exists
In：Regulation oil cylinder 5 is fixed on rotating disk 2 by inverse u shape limiting plate 6.The both ends of limiting plate 6 are bolted on rotating disk 2
And spacing hole is formed, regulation oil cylinder 5 passes through spacing hole fixed column.
This structure is bolted easily disassembled and installation, readily replaceable accessory.
Specific embodiment 3：
As shown in Figure 3 and Figure 4, a kind of semitrailer rear-axle steering control device structure and specific embodiment 2 are essentially identical, difference
It is in and the surface of rotating disk 2 is fixed on by supporting plate 11 in regulation oil cylinder 5 and limiting plate 6.Supporting plate 11 is corresponding with adjustable plate 7, uses
In the slip of limitation adjustable plate 7.The both ends of limiting plate 6, which are fixed in supporting plate 11, forms spacing hole, and regulation oil cylinder 5 passes through spacing hole
It is fixed.
When telescopic end, which is retracted to adjustable plate 7, contacts supporting plate 11, telescopic end can not continue to shrink, the angle of rotation of balancer 9
Degree can not continue to adjust, and rear wheel angle can not continue to adjust, and avoid adjustment order aberrations excessive, improve the percent of pass of semitrailer.
Specific embodiment 3 is preferred embodiment.
A kind of concrete operating principle of semitrailer rear-axle steering control device of the present invention is as follows：
Reference picture 3 can drive rotating disk 2 to rotate to Fig. 5 when front-wheel steer.Regulation oil cylinder 5, the adjustable plate 7 on the surface of rotating disk 2 can turn
Dynamic respective angles.Drive link 8 is be hinged with adjustable plate 7, and drive link 8 passes through the lead-in cavity 901 at the center of balancer 9, drive link 8
Rotational angle can be passed to balancer 9.Balancer 9 and front left oil cylinder 3 and front right oil cylinder 4 are be hinged, and two oil cylinders are flexible corresponding
Length.The oil cylinder UNICOM of front left oil cylinder 3 and front right oil cylinder 4 and control rear-axle steering, so rear-axle steering oil cylinder can be stretched accordingly
Contracting corresponding length, front-drive angle is passed into trailing wheel.
Now, trailing wheel is adjusted on the basis of front-wheel steer by the collapsing length for the telescopic end for controlling to adjust oil cylinder 5
Rotational angle so that semitrailer rear wheel steering angle more adapts to actual conditions.State as shown in Figure 5, it is flexible now to adjust oil cylinder 5
End stretching can increase the steering angle of balancer 9, so as to accordingly increase rear wheel steering angle on the basis of front-wheel steer angle.Regulation
The telescopic end of oil cylinder 5, which shrinks, can reduce the steering angle of balancer 9, so as to accordingly reduce rear-axle steering on the basis of front-wheel steer angle
Angle.According to real road situation and the length of semitrailer, adjust in good time so as to improve the percent of pass of semitrailer.
Claims (8)
1. a kind of semitrailer rear-axle steering control device, including vehicle frame, vehicle frame is hinged with rotating disk, and the symmetrical centre face of vehicle frame is hinged
There is balancer, the both sides in symmetrical centre face are symmetrically arranged with the front left oil cylinder and front right oil cylinder of control rear-axle steering, front left oil cylinder
It is hinged with one end of front right oil cylinder with balancer, the other end is hinged with vehicle frame, and drive link is plugged with the center of the balancer,
It is characterized in that：One end of the drive link is hinged with adjustable plate, the other end and balancer grafting, and the adjustable plate is along symmetrical
Median plane is slidably connected with rotating disk, and the regulation oil cylinder being connected with rotating disk is additionally provided with along symmetrical centre face, adjusts stretching for oil cylinder
Contracting end is connected with adjustable plate.
A kind of 2. semitrailer rear-axle steering control device according to claim 1, it is characterised in that：In the balancer
It is provided with the heart and coordinates the lead-in cavity slided with drive link, the drive link passes through lead-in cavity.
A kind of 3. semitrailer rear-axle steering control device according to claim 1, it is characterised in that：Set on the vehicle frame
There is the movable span of the free activity in one end for drive link through balancer.
A kind of 4. semitrailer rear-axle steering control device according to claim 1, it is characterised in that：The regulation oil cylinder leads to
The limiting plate for crossing inverse u shape is fixed on disc surfaces.
A kind of 5. semitrailer rear-axle steering control device according to claim 1, it is characterised in that：The disc surfaces are set
The guide rail along symmetrical centre face is equipped with, the adjustable plate is provided with the chute for coordinating guide rail.
A kind of 6. semitrailer rear-axle steering control device according to claim 1, it is characterised in that：The disk lower surface
It is provided with the towing pin docked with tractor saddle.
A kind of 7. semitrailer rear-axle steering control device according to claim 1, it is characterised in that：The regulation oil cylinder
Telescopic end is socketed with buffer spring.
A kind of 8. semitrailer rear-axle steering control device according to claim 1, it is characterised in that：The regulation oil cylinder leads to
Cross and be fixed on disc surfaces for limiting the supporting plate of adjustable plate slip, the supporting plate is fixed on disc surfaces and and adjustable plate
Corresponding, the regulation oil cylinder is fixed on support plate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753116.6A CN107344578A (en) | 2017-08-29 | 2017-08-29 | A kind of semitrailer rear-axle steering control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710753116.6A CN107344578A (en) | 2017-08-29 | 2017-08-29 | A kind of semitrailer rear-axle steering control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107344578A true CN107344578A (en) | 2017-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710753116.6A Pending CN107344578A (en) | 2017-08-29 | 2017-08-29 | A kind of semitrailer rear-axle steering control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107344578A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053001A1 (en) * | 1980-11-18 | 1982-06-02 | Craven Tasker (Andover) Limited | Improvements in or relating to trailer and semitrailer vehicles |
| EP2674349A1 (en) * | 2012-06-12 | 2013-12-18 | Broshuis B.V. | Semi-trailer with adjustable steering |
| JP2015223935A (en) * | 2014-05-28 | 2015-12-14 | 株式会社安全運輸 | Semi-trailer automobile |
| CN204978826U (en) * | 2015-07-28 | 2016-01-20 | 扬州市伏尔坎机械制造有限公司 | Semitrailer with accuracy turns to function |
| CN105438290A (en) * | 2015-12-15 | 2016-03-30 | 扬州市伏尔坎机械制造有限公司 | Gooseneck part of semitrailer |
| CN207191200U (en) * | 2017-08-29 | 2018-04-06 | 扬州市伏尔坎机械制造有限公司 | A kind of semitrailer rear-axle steering control device |
-
2017
- 2017-08-29 CN CN201710753116.6A patent/CN107344578A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0053001A1 (en) * | 1980-11-18 | 1982-06-02 | Craven Tasker (Andover) Limited | Improvements in or relating to trailer and semitrailer vehicles |
| EP2674349A1 (en) * | 2012-06-12 | 2013-12-18 | Broshuis B.V. | Semi-trailer with adjustable steering |
| JP2015223935A (en) * | 2014-05-28 | 2015-12-14 | 株式会社安全運輸 | Semi-trailer automobile |
| CN204978826U (en) * | 2015-07-28 | 2016-01-20 | 扬州市伏尔坎机械制造有限公司 | Semitrailer with accuracy turns to function |
| CN105438290A (en) * | 2015-12-15 | 2016-03-30 | 扬州市伏尔坎机械制造有限公司 | Gooseneck part of semitrailer |
| CN207191200U (en) * | 2017-08-29 | 2018-04-06 | 扬州市伏尔坎机械制造有限公司 | A kind of semitrailer rear-axle steering control device |
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Application publication date: 20171114 |