CN203172723U - Special trailer rear supporting platform automatic steering device - Google Patents
Special trailer rear supporting platform automatic steering device Download PDFInfo
- Publication number
- CN203172723U CN203172723U CN 201320142820 CN201320142820U CN203172723U CN 203172723 U CN203172723 U CN 203172723U CN 201320142820 CN201320142820 CN 201320142820 CN 201320142820 U CN201320142820 U CN 201320142820U CN 203172723 U CN203172723 U CN 203172723U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- cylinder seat
- connecting rod
- support platform
- seat
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a special trailer rear supporting platform automatic steering device which comprises a connecting rod fixing seat, a first connecting rod, a second connecting rod, rigid single-point suspensions, suspension stand columns, a first movable oil cylinder seat, a second movable oil cylinder seat, rotary disks, a first fixed oil cylinder seat, a second fixed oil cylinder seat, a first steering oil cylinder, a second steering oil cylinder, a rear supporting platform, a power pipeline and a control pipeline. The single-point suspensions and the rotary disks form four sets of steering structures, and in each set of steering structure, the upper plane of the rotary disk of the set of steering structure is connected to the rear supporting platform through the method of bolt connection. Due to the fact that a plurality of single-point suspensions are adopted to support loads at the rear portion, bearing capacity of the rear platform is increased; due to the fact that the independent rotary disks are arranged between the supporting platform and the rigid single-point suspensions, each rigid single-point suspension can steer independently; synchronous steering of the rigid single-point suspensions and flexible steering of the rear platform are realized through a hydraulic system, the steering oil cylinders and the connecting rods and steering torque is small.
Description
Technical field
The utility model relates to a kind of communications and transportation device, especially relates to support platform autosteerer behind a kind of extremely awkward formula special trailer.
Background technology
Support platform all adopts two cover rigidity single-point suspensions to support behind the existing extremely awkward formula special trailer, and rotating disk is installed in back support platform upside, and whole back support platform all will turn to during steering operation, and steering torque is big, and back support platform carrying is little, turns to dumb.
The utility model content
Technical matters: at the defective of above-mentioned prior art, provide a kind of carrying big, steering operation is convenient, support platform autosteerer behind the extremely awkward formula special trailer flexibly.
Technical scheme: support platform autosteerer behind the extremely awkward formula special trailer that the utility model provides, comprise the connecting rod permanent seat, first connecting rod, second connecting rod, rigidity single-point suspension, suspension upright, the first movable oil cylinder seat, the second movable oil cylinder seat, rotating disk, the first fixed oil cylinder seat, the second fixed oil cylinder seat, first turns to oil cylinder, second turns to oil cylinder, back support platform, power and pilot piping, it is characterized in that: before two frames of the back support platform left and right sides of rectangle, the rear portion, four groups of steering structures are installed respectively symmetrically, each group steering structure by a rotating disk and rigidity single-point suspension be fixed by bolts to respectively a suspension upright on, following two ends constitute, and each group steering structure is connected on the support platform of back by the last plane of bolted mode with its rotating disk; The leading flank that is positioned at two anterior suspension upright welds a connecting rod permanent seat respectively, is hinged by first connecting rod between these two connecting rod permanent seats; The trailing flank that is positioned at two suspension upright at rear portion also welds a connecting rod permanent seat respectively, is hinged by second connecting rod between these two connecting rod permanent seats; The trailing flank of any one in fore two suspension upright is welded with the first movable oil cylinder seat, be welded with the first fixed oil cylinder seat at the downside of the back support platform frame of the first movable oil cylinder seat offside and the same lengthwise position of the hinged pin-and-hole on the first movable oil cylinder seat, the first movable oil cylinder seat and the first fixed oil cylinder seat are hinged on first two ends that turn to oil cylinder respectively; The leading flank of that suspension upright that connects at the rear portion of the frame of the support platform at the first fixed oil cylinder seat place is welded with the second movable oil cylinder seat, be welded with the second fixed oil cylinder seat at the downside of the back support platform frame of the second movable oil cylinder seat offside and the same lengthwise position of the hinged pin-and-hole on the second movable oil cylinder seat, the second movable oil cylinder seat and the second fixed oil cylinder seat are hinged on second two ends that turn to oil cylinder respectively; Power and pilot piping turn to oil cylinder, second to turn to the oil inlet of oil cylinder to be connected with oil outlet with first respectively.
On the suspension upright trailing flank of one group of steering structure of the Right Border front portion of support platform, the first fixed oil cylinder seat was welded on the downside of the left border of back support platform after the first movable oil cylinder seat can be welded on.
Equally, on the suspension upright trailing flank of one group of steering structure of the left border front portion of support platform, the first fixed oil cylinder seat was welded on the downside of the Right Border of back support platform after the first movable oil cylinder seat also can be welded on.
Beneficial effect: the utility model adopts a plurality of single-point suspensions to support the load at rear portion, has increased the load-carrying capacity of back support platform; Between back support platform and each rigidity single-point suspension, independently rotating disk is installed all, make each rigidity single-point suspension all can independent steering, by hydraulic efficiency pressure system, turn to oil cylinder and connecting rod to realize respectively organizing turning to synchronously of rigidity single-point suspension, the turning to flexibly of back platform, steering torque is little.
Description of drawings:
The front view of Fig. 1 the utility model embodiment.
The birds-eye view of Fig. 2 the utility model embodiment.
Fig. 3 the utility model uses the front view of state.
Among the figure: connecting rod permanent seat 1, first connecting rod 21, second connecting rod 22, rigidity single-point suspension 3, suspension upright 4, the first movable oil cylinder seat 51, the second movable oil cylinder seat 52, rotating disk 6, the first fixed oil cylinder seat 71, the second fixed oil cylinder seat 72, first turn to oil cylinder 81, second to turn to oil cylinder 82, back support platform 9, power and pilot piping 10.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is further described.
Referring to Fig. 1, Fig. 2.Support platform autosteerer behind the extremely awkward formula special trailer of present embodiment, comprise connecting rod permanent seat 1, first connecting rod 21, second connecting rod 22, rigidity single-point suspension 3, suspension upright 4, the first movable oil cylinder seat 51, the second movable oil cylinder seat 52, rotating disk 6, the first fixed oil cylinder seat 71, the second fixed oil cylinder seat 72, first turns to oil cylinder 81, second turns to oil cylinder 82, back support platform 9, power and pilot piping 10, it is characterized in that: before two frames of back support platform 9 left and right sides of rectangle, the rear portion, four groups of steering structures are installed respectively symmetrically, each group steering structure by a rotating disk 6 and rigidity single-point suspension 3 be fixed by bolts to respectively a suspension upright 4 on, following two ends constitute, and each group steering structure is connected on the support platform 9 of back by the last plane of bolted mode with its rotating disk 6; The leading flank that is positioned at two anterior suspension upright 4 welds a connecting rod permanent seat 1 respectively, is hinged by first connecting rod 21 between these two connecting rod permanent seats 1; The trailing flank that is positioned at two suspension upright 4 at rear portion also welds a connecting rod permanent seat 1 respectively, is hinged by second connecting rod 22 between these two connecting rod permanent seats 1; The trailing flank of any one in fore two suspension upright 4 is welded with the first movable oil cylinder seat 51, be welded with the first fixed oil cylinder seat, 71, the first movable oil cylinder seats 51 and the first fixed oil cylinder seat 71 in the same lengthwise position of the downside of back support platform 9 frames of first movable oil cylinder seat 51 offsides and the hinged pin-and-hole on the first movable oil cylinder seat 51 and be hinged on first two ends that turn to oil cylinder 81 respectively; The leading flank of that suspension upright 4 that connects at the rear portion of the frame of the support platform 9 at the first fixed oil cylinder seat, 71 places is welded with the second movable oil cylinder seat 52, be welded with the second fixed oil cylinder seat, 72, the second movable oil cylinder seats 52 and the second fixed oil cylinder seat 72 in the same lengthwise position of the downside of back support platform 9 frames of second movable oil cylinder seat 52 offsides and the hinged pin-and-hole on the second movable oil cylinder seat 52 and be hinged on second two ends that turn to oil cylinder 82 respectively; Power and pilot piping 10 turn to oil cylinder 81, second to turn to the oil inlet of oil cylinder 82 to be connected with oil outlet with first respectively.
In the present embodiment, the first movable oil cylinder seat 51 is welded on the trailing flank of suspension upright 4 of one group of steering structure of Right Border front portion of back support platform 9; The first fixed oil cylinder seat 71 is welded on the downside of the left border of back support platform 9.
Referring to Fig. 3.During use, present embodiment and extremely awkward formula Trailer type frame for use in vehicle are hinged, operate by power and pilot piping 10 and to turn to the flexible of oil cylinder 8, drive is welded with two suspension upright, 4 rotations of the first movable oil cylinder seat 51, the second movable oil cylinder seat 52, drives two other suspension upright 4 rotations by connecting rod permanent seat 1 and first connecting rod 21, second connecting rod 22.Because the employing bolt is connected between rigidity single-point suspension 3 and the suspension upright 4, it then is the flexible connection by rotating disk 6 between support platform 9 and the suspension upright 4, therefore, can keep under the relative static state at back support platform 9 and extremely awkward formula Trailer type frame for use in vehicle, by turning to of rotating disk 6, suspension upright 4, rigidity single-point suspension 3 and train, realize the turning of extremely awkward formula trailer.
Claims (3)
1. support platform autosteerer behind the extremely awkward formula special trailer, comprise connecting rod permanent seat (1), first connecting rod (21), second connecting rod (22), rigidity single-point suspension (3), suspension upright (4), the first movable oil cylinder seat (51), the second movable oil cylinder seat (52), rotating disk (6), the first fixed oil cylinder seat (71), the second fixed oil cylinder seat (72), first turns to oil cylinder (81), second turns to oil cylinder (82), back support platform (9), power and pilot piping (10), it is characterized in that: before two frames of back support platform (9) left and right sides of rectangle, the rear portion, four groups of steering structures are installed respectively symmetrically, each the group steering structure by a rotating disk (6) and a rigidity single-point suspension (3) be fixed by bolts to respectively a suspension upright (4) on, following two ends constitute, and each group steering structure is connected on the back support platform (9) by the last plane of bolted mode with its rotating disk (6); The leading flank that is positioned at anterior two suspension upright (4) welds a connecting rod permanent seat (1) respectively, is hinged by first connecting rod (21) between these two connecting rod permanent seats (1); The trailing flank that is positioned at two suspension upright (4) at rear portion also welds a connecting rod permanent seat (1) respectively, is hinged by second connecting rod (22) between these two connecting rod permanent seats (1); The trailing flank of any one in fore two suspension upright (4) is welded with the first movable oil cylinder seat (51), be welded with the first fixed oil cylinder seat (71) at the downside of back support platform (9) frame of first movable oil cylinder seat (51) offside and the same lengthwise position of the hinged pin-and-hole on the first movable oil cylinder seat (51), the first movable oil cylinder seat (51) and the first fixed oil cylinder seat (71) are hinged on first two ends that turn to oil cylinder (81) respectively; The leading flank of that suspension upright (4) that connects at the rear portion of the frame of the support platform (9) at first fixed oil cylinder seat (71) place is welded with the second movable oil cylinder seat (52), be welded with the second fixed oil cylinder seat (72) at the downside of back support platform (9) frame of second movable oil cylinder seat (52) offside and the same lengthwise position of the hinged pin-and-hole on the second movable oil cylinder seat (52), the second movable oil cylinder seat (52) and the second fixed oil cylinder seat (72) are hinged on second two ends that turn to oil cylinder (82) respectively; Power and pilot piping (10) turn to oil cylinder (81), second to turn to the oil inlet of oil cylinder (82) to be connected with oil outlet with first respectively.
2. autosteerer as claimed in claim 1 is characterized in that the described first movable oil cylinder seat (51) is welded on suspension upright (4) trailing flank of one group of steering structure of Right Border front portion of back support platform (9); The first fixed oil cylinder seat (71) is welded on the downside of the left border of back support platform (9).
3. autosteerer as claimed in claim 1 is characterized in that the described first movable oil cylinder seat (51) is welded on suspension upright (4) trailing flank of one group of steering structure of left border front portion of back support platform (9); The first fixed oil cylinder seat (71) is welded on the downside of the Right Border of back support platform (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142820 CN203172723U (en) | 2013-03-27 | 2013-03-27 | Special trailer rear supporting platform automatic steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142820 CN203172723U (en) | 2013-03-27 | 2013-03-27 | Special trailer rear supporting platform automatic steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203172723U true CN203172723U (en) | 2013-09-04 |
Family
ID=49069466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320142820 Expired - Lifetime CN203172723U (en) | 2013-03-27 | 2013-03-27 | Special trailer rear supporting platform automatic steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203172723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436108A (en) * | 2018-10-30 | 2019-03-08 | 徐州华邦专用汽车有限公司 | Combined heavy type hydraulic car |
-
2013
- 2013-03-27 CN CN 201320142820 patent/CN203172723U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436108A (en) * | 2018-10-30 | 2019-03-08 | 徐州华邦专用汽车有限公司 | Combined heavy type hydraulic car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |
|
| CX01 | Expiry of patent term |