CN2871343Y - Steering and four-wheeled linking mechanism - Google Patents
Steering and four-wheeled linking mechanism Download PDFInfo
- Publication number
- CN2871343Y CN2871343Y CN 200520099278 CN200520099278U CN2871343Y CN 2871343 Y CN2871343 Y CN 2871343Y CN 200520099278 CN200520099278 CN 200520099278 CN 200520099278 U CN200520099278 U CN 200520099278U CN 2871343 Y CN2871343 Y CN 2871343Y
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- China
- Prior art keywords
- pin
- kinematic link
- hinged
- connecting rod
- power transmission
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- Expired - Fee Related
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model relates to a vehicle steering mechanism-four-wheel steering linkage, which comprises a first fixed connecting rod (1), a first transmission connecting rod (2), a second transmission connecting rod (3) and a second fixed connecting rod (4), wherein one end of the first fixed connecting rod (1) is arranged on the a front steering wheel (10) with another end hinged with the left end of the first transmission connecting rod (2); the right end of the first transmission connecting rod (2) is hinged with the left end of the second transmission connecting rod (3); one end of the second fixed connecting rod (4) is fixed on a back steering wheel (11) with another end hinged with the right end of the second transmission connecting rod (3); the middle part of the first transmission connecting rod (2) is hinged with a first fixing seat (14) and the middle part of the second transmission connecting rod (3) is hinged with a second fixing seat (15). The utility model can realize the reversed rotating directions of the front and the back steering wheels with advantages of simple structure and low cost.
Description
Technical field
The utility model relates to the steering hardware on a kind of vehicle, particularly relates to the four-wheel steering mechanism on a kind of small-sized and miniature slow-moving vehicle.
Background technology
The research that vehicular four wheels turns to mainly concentrates on automobile and heavy engineering vehicle aspect, and four-wheel steering mechanism is mainly based on electronic and fluid control.The four-wheel steering mechanism of electronic and fluid control beyond the expense costliness, and is not suitable for small-sized and miniature low-tach vehicle (comprising engineering truck) except complex structure.Small-sized and miniature slow-moving vehicle quality is little, compact conformation, and speed is low, and requires to turn to flexibly.
Summary of the invention
The purpose of this utility model is to provide the incorgruous rotation of steered wheel before and after a kind of can the realization, simple in structure, four-wheel steering link gear that cost is low.
To achieve these goals, the technical solution of the utility model is: the four-wheel steering link gear, it is characterized in that: it comprises first stationary links 1, first kinematic link 2, second kinematic link 3, second stationary links 4, the second power transmission pin 5, second rotational pin 6, the 3rd power transmission pin 7, first rotational pin 8, the first power transmission pin 9, one end of first stationary links 1 is captiveed joint with preceding steered wheel 10, the other end of first stationary links 1 is hinged by the left end that the first power transmission pin 9 passes the first kinematic link pin runner 17 and first kinematic link 2, the right-hand member of first kinematic link 2 is hinged by the left end that the 3rd power transmission pin 7 passes second kinematic link left side pin runner 18 and second kinematic link 3, one end of second stationary links 4 is captiveed joint with back steered wheel 11, and the other end of second stationary links 4 is hinged by the right-hand member that the second power transmission pin 5 passes the right pin runner 19 of second kinematic link and second kinematic link 3; The middle part of first kinematic link 2 is hinged by first rotational pin 8 and first permanent seat 14, the middle part of second kinematic link 3 is hinged by second rotational pin 6 and second permanent seat 15, first permanent seat 14, second permanent seat 15 are captiveed joint with bearing support 16 respectively, and bearing support 16 is captiveed joint with vehicle frame.
The utility model adopts said structure, compared with prior art, has characteristics simple in structure, that cost is low.The utility model both can guarantee the synchronism of four steered wheels, can guarantee that again four wheels turn to simultaneously, and the incorgruous rotation of steered wheel before and after realizing reaches minimum turning-circle diameter.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a motion scheme drawing of the present utility model
Fig. 3 is the connection structure scheme drawing of the utility model first kinematic link 2, second kinematic link 3
Fig. 4 is the left view of Fig. 3
Fig. 5 is the birds-eye view of Fig. 3
Fig. 6 is the upward view of first permanent seat 14 among Fig. 4 (or second permanent seat 15)
Among the figure: 1-first stationary links, 2-first kinematic link, 3-second kinematic link, 4-second stationary links, the 5-second power transmission pin, 6-second rotational pin, 7-the 3rd power transmission pin, 8-first rotational pin, steered wheel before the 9-first power transmission pin, 10-, steered wheel behind the 11-, steering hardware before the steering hardware behind the 12-, 13-, 14-first permanent seat, 15-second permanent seat, the 16-bearing support, the 17-first kinematic link pin runner, 18-second kinematic link left side pin runner, the right pin runner of 19-second kinematic link, 20-left side bolt hole, 21-rotates pin-and-hole, the right bolt hole of 22-.
The specific embodiment
As Fig. 1, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the four-wheel steering link gear, comprise first stationary links 1, first kinematic link 2, second kinematic link 3, second stationary links 4, the second power transmission pin 5, second rotational pin 6, the 3rd power transmission pin 7, first rotational pin 8, the first power transmission pin 9, one end of first stationary links 1 is captiveed joint with preceding steered wheel 10, the other end of first stationary links 1 (being provided with pin-and-hole) is hinged by the left end that the first power transmission pin 9 passes the first kinematic link pin runner 17 and first kinematic link 2, the right-hand member of first kinematic link 2 (being provided with pin-and-hole) is hinged by the left end that the 3rd power transmission pin 7 passes second kinematic link left side pin runner 18 and second kinematic link 3, one end of second stationary links 4 is captiveed joint with back steered wheel 11, and the other end of second stationary links 4 (being provided with pin-and-hole) is hinged by the right-hand member that the second power transmission pin 5 passes the right pin runner 19 of second kinematic link and second kinematic link 3; The middle part of first kinematic link 2 (being provided with pin-and-hole) is hinged by the rotation pin-and-hole 21 and first permanent seat 14 that first rotational pin 8 passes on first permanent seat 14, the middle part of second kinematic link 3 (being provided with pin-and-hole) is hinged by the rotation pin-and-hole and second permanent seat 15 that second rotational pin 6 passes on second permanent seat 15, first permanent seat 14,15 one-tenth types of second permanent seat, first permanent seat 14 passes left bolt hole 20 by two bolts respectively, right bolt hole 22 is captiveed joint with bearing support 16, second permanent seat 15 passes left bolt hole 20 by two bolts respectively, right bolt hole 22 is captiveed joint with bearing support 16, bearing support 16 is captiveed joint with vehicle frame, first rotational pin 8, the lower end of second rotational pin 6 is respectively equipped with backup bearing, and backup bearing is positioned on the bearing support 16.As shown in Figure 3, bearing support 16 connects to ground, and plays the effect of supporting first kinematic link 2, second kinematic link 3 simultaneously.
As shown in Figure 2, for the wheel that makes the automobile antero posterior axis is realized incorgruous rotation, under steering hardware 13 before original (or/and back steering hardware 12) the unmodified situation, set up the four-wheel steering link gear in the same side of preceding steered wheel 10, back steered wheel 11.When the back steered wheel 11 when the rotation center clockwise rotates, second stationary links 4 that links to each other with back steered wheel 11 also clockwise rotates along the direction of arrow, the lower end that drives second kinematic link 3 by the second power transmission pin 5 rotates counterclockwise, the upper end of second kinematic link 3 rotates counterclockwise, driving first kinematic link 2 by the 3rd power transmission pin 7 again clockwise rotates, first kinematic link 2 drives first stationary links 1 by the first power transmission pin 9 again and rotates counterclockwise, and first stationary links 1 is captiveed joint with preceding steered wheel 10, and steered wheel 10 rotates counterclockwise before making.Make four wheels of diaxon realize backward rotation, reach minimum turning-circle diameter.Two steered wheels are to link by the steering hardware on the vehicle about coaxial.
The utility model provides the mechanical type four-wheel steering mechanism of a practicality, simple in structure, cheap, reliable operation for small-sized and miniature slow-moving vehicle.
Claims (2)
1. four-wheel steering link gear, it is characterized in that: it comprises first stationary links (1), first kinematic link (2), second kinematic link (3), second stationary links (4), the second power transmission pin (5), second rotational pin (6), the 3rd power transmission pin (7), first rotational pin (8), the first power transmission pin (9), one end of first stationary links (1) is captiveed joint with preceding steered wheel (10), it is hinged with the left end of first kinematic link (2) that the other end of first stationary links (1) passes the first kinematic link pin runner (17) by the first power transmission pin (9), it is hinged with the left end of second kinematic link (3) that the right-hand member of first kinematic link (2) passes second kinematic link left side pin runner (18) by the 3rd power transmission pin (7), one end of second stationary links (4) is captiveed joint with back steered wheel (11), and it is hinged with the right-hand member of second kinematic link (3) that the other end of second stationary links (4) passes the right pin runner of second kinematic link (19) by the second power transmission pin (5); The middle part of first kinematic link (2) is hinged by first rotational pin (8) and first permanent seat (14), the middle part of second kinematic link (3) is hinged by second rotational pin (6) and second permanent seat (15), first permanent seat (14), second permanent seat (15) are captiveed joint with bearing support (16) respectively, and bearing support (16) is captiveed joint with vehicle frame.
2. four-wheel steering link gear according to claim 1 is characterized in that: the lower end of first rotational pin (8), second rotational pin (6) is respectively equipped with backup bearing, and backup bearing is positioned on the bearing support (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099278 CN2871343Y (en) | 2005-12-09 | 2005-12-09 | Steering and four-wheeled linking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520099278 CN2871343Y (en) | 2005-12-09 | 2005-12-09 | Steering and four-wheeled linking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2871343Y true CN2871343Y (en) | 2007-02-21 |
Family
ID=37739690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520099278 Expired - Fee Related CN2871343Y (en) | 2005-12-09 | 2005-12-09 | Steering and four-wheeled linking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2871343Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874309A (en) * | 2012-09-24 | 2013-01-16 | 三一重工股份有限公司 | Crane as well as steering system and rocker arm thereof |
| CN107155426A (en) * | 2017-07-17 | 2017-09-15 | 桑建平 | A kind of universal agricultural machinery and implement of four-wheel |
-
2005
- 2005-12-09 CN CN 200520099278 patent/CN2871343Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102874309A (en) * | 2012-09-24 | 2013-01-16 | 三一重工股份有限公司 | Crane as well as steering system and rocker arm thereof |
| CN102874309B (en) * | 2012-09-24 | 2015-09-02 | 三一重工股份有限公司 | Hoisting crane and steering swivel system thereof and rocking arm |
| CN107155426A (en) * | 2017-07-17 | 2017-09-15 | 桑建平 | A kind of universal agricultural machinery and implement of four-wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070221 Termination date: 20100111 |