CN205365781U - Gooseneck portion of semitrailer - Google Patents
Gooseneck portion of semitrailer Download PDFInfo
- Publication number
- CN205365781U CN205365781U CN201521038301.XU CN201521038301U CN205365781U CN 205365781 U CN205365781 U CN 205365781U CN 201521038301 U CN201521038301 U CN 201521038301U CN 205365781 U CN205365781 U CN 205365781U
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- China
- Prior art keywords
- main body
- swing seat
- body frame
- rotating disk
- steering cylinder
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Abstract
The utility model discloses a gooseneck portion of semitrailer in the semitrailer technical field, including main body frame, the last carousel of installing of main body frame, left steering cylinder, preceding right steering cylinder, swing seat, free bearing before main body frame still is equipped with, main body frame is last to be equipped with the drive mechanism that can transmit the rotary power of carousel to the swing seat on, and drive mechanism includes transfer line, slide bar, the cylindric guide sleeve body, and the guide sleeve body is fixed the dress and is put at swing seat central point, the guide sleeve body be equipped with can supply the slide bar coaxial that pass, with slide bar rotary power 0's guide chamber, the line of two pin joints of rotary power 1 perpendicular to swing seat in guide chamber, fixed surface is connected and the rotation center of the skew carousel of tie point on transfer line one end and the carousel, and the transfer line other end is articulated with the slide bar front end. Through the improvement to drive mechanism, can realize carousel and the synchronous of swing seat very high -efficient, smoothly and rotate.
Description
Technical field
This utility model relates to semitrailer technical field, particularly to the gooseneck portion of a kind of semitrailer.
Background technology
At present, semitrailer uses very general, for the goods transporting various length, weight, width, shape differ.Wherein, the gooseneck portion of semitrailer is an extremely important part, and gooseneck portion docks for the saddle with tractor.Owing to the vehicle body of semitrailer is very long, it is necessary to front and back wheel steering angle when considering to turn, so that the radius of turn of front and back wheel group is consistent, improve percent of pass.
In order to improve percent of pass, a utility model patent disclosed in prior art, application number 201210173406.0, special purpose vehicle company limited of China of patentee Quzhou City, 2012 applying date May 13.nullThis documents discloses linked steering system schema，In conjunction with the structure of display in the Figure of description 2 of documents，It appeared that: rotating disk is when rotated，Swing seat is driven by connecting rod，Swing seat is hinged on the framework in gooseneck portion，Swing seat rotates with its pin joint for center of rotation，Two ends and front left steering cylinder due to swing seat、The piston rod of front right steering cylinder is hinged，Swing seat can correspondingly be compressed or pull-up piston rod when rotated，Make front left steering cylinder、Oil mass change is produced in the cylinder barrel of front right steering cylinder，Make rear left steering cylinder、Also the change of corresponding oil mass is produced in the cylinder barrel of rear right steering cylinder，Make rear left steering cylinder、The piston rod of rear right steering cylinder produces corresponding action，Effect again through transmission connecting rod mechanism，The steering angle of rear wheel will produce the change of correspondence，Ensure that the radius of turn of rear wheel is consistent with the radius of turn of trailer wheel.
It is worth mentioning that, rotating disk is when rotated, rotating disk directly communicates rotational motion to swing seat by connecting rod, so that swing seat produces corresponding rotation, but link transmission is steady not herein, significantly high can not imitate, smoothly realize the rotating disk synchronous axial system with swing seat, namely it cannot be guaranteed that the rotary power of rotating disk is smoothly applied on the piston rod of front left steering cylinder, front right steering cylinder, the go to action of semitrailer is had a negative impact.
Utility model content
The purpose of this utility model is to provide the gooseneck portion of a kind of semitrailer, by the improvement to drive mechanism, can significantly high effect, smoothly realize the synchronous axial system of rotating disk and swing seat.
The purpose of this utility model is achieved in that the gooseneck portion of a kind of semitrailer, main body frame including symmetrical structure, the side docked with tractor saddle on described main body frame is rotatably mounted with rotating disk, and described disk lower surface is provided with the towing pin docked with tractor saddle；Described main body frame is additionally provided with front left steering cylinder, front right steering cylinder, swing seat, free bearing, and described free bearing is fixed on main body frame and is in the rear of rotating disk, and described swing seat is hinged on free bearing and pin joint is in swing seat center；The center of rotation of described swing seat central pivot point and rotating disk exists together the symmetrical center line of main body frame；Described front left steering cylinder, front right steering cylinder cylinder barrel be hinged on symmetrically on main body frame, described front left steering cylinder, front right steering cylinder piston rod be hinged on swing seat two ends；Being provided with the drive mechanism being transferred in swing seat by the rotary power of rotating disk on described main body frame, described drive mechanism includes drive link, sliding bar, cylindric guiding body；
Described guiding body is fixing is installed on swing seat center, and described guiding body is provided with that be available for sliding bar coaxially traverse and that sliding bar is slidably matched lead-in cavity, and the central axis upright of described lead-in cavity is in the line of described swing seat two ends pin joint；
Described drive link one end is fixed with disk upper surface and is connected and the center of rotation of junction point deviation rotating disk, and the described drive link other end and sliding bar front end are hinged.
Compared with prior art, the beneficial effects of the utility model are in that: by the improvement to drive mechanism, can significantly high effect, smoothly realize the synchronous axial system of rotating disk and swing seat；When this utility model is in steering state, rotating disk rotates, rotating disk drives sliding bar by drive link, sliding bar is not only as the criterion with the pin joint of front end and rotates, also in the lead-in cavity guiding body, make linear slide, in the process, sliding bar drives swing seat to rotate by guiding body, it is possible to fully ensure that the stability of transmission；Structure is relatively simple, eliminates the drive mechanism of complexity.
As further improvement of the utility model, described main body frame is provided with and is available for the movable span that sliding bar rear end is freely movable.Prevent sliding bar from producing constructive interference with main body frame.
As further improvement of the utility model, when vehicle is in straight travel state, the pin joint of described drive link and sliding bar is in the symmetrical center line of main body frame.Can be easy to control steering angle.
Accompanying drawing explanation
Fig. 1 is straight travel state schematic diagram of the present utility model.
Fig. 2 is steering state schematic diagram of the present utility model.
Fig. 3 is the A-A sectional view in Fig. 1.
Wherein, 1 towing pin, 2 main body frames, 3 front left steering cylinders, 4 front right steering cylinders, 5 drive links, 6 guide body, 6a lead-in cavity, 7 swing seats, 8 movable spans, 9 free bearings, 10 sliding bars, 11 rotating disks.
Detailed description of the invention
As Figure 1-3, the gooseneck portion of a kind of semitrailer, including the main body frame 2 of symmetrical structure, the side that main body frame 2 docks with tractor saddle is rotatably mounted with rotating disk 11, and rotating disk 11 lower surface is provided with the towing pin 1 docked with tractor saddle；Main body frame 2 is additionally provided with front left steering cylinder 3, front right steering cylinder 4, swing seat 7, free bearing 9, and free bearing 9 is fixed on main body frame 2 and is in the rear of rotating disk 11, and swing seat 7 is hinged on free bearing 9 and pin joint is in swing seat 7 center；The center of rotation of swing seat 7 central pivot point and rotating disk 11 exists together the symmetrical center line of main body frame 2；Front left steering cylinder 3, front right steering cylinder 4 cylinder barrel be hinged on main body frame 2 symmetrically, front left steering cylinder 3, front right steering cylinder 4 piston rod be hinged on swing seat 7 two ends；Being provided with on main body frame 2 rotary power of rotating disk 11 is transferred to the drive mechanism in swing seat 7, drive mechanism includes drive link 5, sliding bar 10, cylindric guiding body 6.
Above-mentioned guiding body 6 is fixing is installed on swing seat 7 center, guides body 6 and is provided with the central axis upright of that be available for sliding bar 10 coaxially traverse and that sliding bar 10 is slidably matched lead-in cavity 6a, lead-in cavity 6a in the line of described swing seat 7 two ends pin joint.
Above-mentioned drive link 5 one end is fixed with rotating disk 11 upper surface and is connected and the center of rotation of junction point deviation rotating disk 11, and drive link 5 other end and sliding bar 10 front end are hinged.
When this utility model is in steering state, rotating disk 11 rotates, rotating disk 11 drives sliding bar 10 by drive link 5, sliding bar 10 is not only as the criterion with the pin joint of front end and rotates, also in the lead-in cavity 6a guiding body 6, make linear slide, in the process, sliding bar 10 drives swing seat 7 to rotate by guiding body 6, it is possible to fully ensure that the stability of transmission.
Aforementioned body framework 2 is provided with and is available for the movable span 8 that sliding bar 10 rear end is freely movable.Prevent sliding bar 10 and main body frame 2 from producing constructive interference.
When vehicle is in straight travel state, the pin joint of drive link 5 and sliding bar 10 is in the symmetrical center line of main body frame 2.
This utility model is not limited to above-described embodiment; on the basis of technical scheme disclosed in this utility model; those skilled in the art is according to disclosed technology contents; performing creative labour just need not can being made some replacements and deformation by some of which technical characteristic, these are replaced and deformation is all in protection domain of the present utility model.
Claims (3)
1. the gooseneck portion of a semitrailer, main body frame (2) including symmetrical structure, the upper side docked with tractor saddle of described main body frame (2) is rotatably mounted with rotating disk (11), and described rotating disk (11) lower surface is provided with the towing pin (1) docked with tractor saddle；Described main body frame (2) is additionally provided with front left steering cylinder (3), front right steering cylinder (4), swing seat (7), free bearing (9), described free bearing (9) is fixed on main body frame (2) and is in the rear of rotating disk (11), and described swing seat (7) is hinged on free bearing (9) and pin joint is in swing seat (7) center；The center of rotation of described swing seat (7) central pivot point and rotating disk (11) exists together the symmetrical center line of main body frame (2)；Described front left steering cylinder (3), front right steering cylinder (4) cylinder barrel be hinged on main body frame (2) symmetrically, described front left steering cylinder (3), front right steering cylinder (4) piston rod be hinged on swing seat (7) two ends；Described main body frame (2) is provided with the rotary power of rotating disk (11) is transferred to the drive mechanism in swing seat (7), it is characterised in that: described drive mechanism includes drive link (5), sliding bar (10), cylindric guiding body (6)；
Described guiding body (6) is fixing is installed on swing seat (7) center, described guiding body (6) is provided with that be available for the coaxial traverse of sliding bar (10) and that sliding bar (10) is slidably matched lead-in cavity (6a), and the central axis upright of described lead-in cavity (6a) is in the line of described swing seat (7) two ends pin joint；
Described drive link (5) one end and rotating disk (11) upper surface be fixing to be connected and the center of rotation of junction point deviation rotating disk (11), and described drive link (5) other end and sliding bar (10) front end are hinged.
2. the gooseneck portion of a kind of semitrailer according to claim 1, it is characterised in that: described main body frame (2) is provided with and is available for the movable span (8) that sliding bar (10) rear end is freely movable.
3. the gooseneck portion of a kind of semitrailer according to claim 1, it is characterised in that: when vehicle is in straight travel state, the pin joint of described drive link (5) and sliding bar (10) is in the symmetrical center line of main body frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038301.XU CN205365781U (en) | 2015-12-15 | 2015-12-15 | Gooseneck portion of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038301.XU CN205365781U (en) | 2015-12-15 | 2015-12-15 | Gooseneck portion of semitrailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205365781U true CN205365781U (en) | 2016-07-06 |
Family
ID=56279696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521038301.XU Active CN205365781U (en) | 2015-12-15 | 2015-12-15 | Gooseneck portion of semitrailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205365781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2015
- 2015-12-15 CN CN201521038301.XU patent/CN205365781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |