CN2529808Y - Self correcting steering driving gear - Google Patents
Self correcting steering driving gear Download PDFInfo
- Publication number
- CN2529808Y CN2529808Y CN 01274005 CN01274005U CN2529808Y CN 2529808 Y CN2529808 Y CN 2529808Y CN 01274005 CN01274005 CN 01274005 CN 01274005 U CN01274005 U CN 01274005U CN 2529808 Y CN2529808 Y CN 2529808Y
- Authority
- CN
- China
- Prior art keywords
- steering
- hand corner
- arm
- correcting
- hinged
- 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 - Fee Related
Links
Abstract
The utility model discloses a self-correcting steering driving device, and pertains to a front wheel steering assembly for an automobile or a wheel tractor. The device consists of a left angular driving knuckle arm, a right angular driving knuckle arm, a left steering knuckle arm, a right steering knuckle arm, a steering vertical tension rod, a transverse tension rod, a correcting body assembly and a front axle that are assembled to form two independent parallel four-bar mechanisms. The correcting body includes a correcting cam, a roller wheel assembly, a front downward guiding body and a rear downward guiding body. The device avoids the sideslip when the steering wheel changes the direction, that is, the actual steering line overlaps the theoretical sideslip-free steering line, and has the advantages of simple structure, broad applicability, good processing property, improved operating stability of the vehicle, reduced wear of parts and components and extended service life.
Description
Technical field
The utility model belongs to the front-wheel steering device of automobile and wheel-tire tractor.
Background technology
The steering hardware of Transport Machinery such as automobile and wheel-tire tractor mainly adopts the steering trapezium structure, and this structure can't guarantee that wheel flutter satisfying the Ackermam formula in the steering angle arbitrarily, does not promptly have sideslip and steering.According to the experience in theoretical analysis and actual the use, the formed turn-around wye of steering trapezium has notable difference with theoretical no sideslip line, when cross steering lever length is with joint arm angle of inclination in changing steering trapezium, can make the actual steering line close to no sideslip and steering line in a certain angular range, can only have a bit but overlap fully, and cause the deviation of other angles to strengthen, this makes that wheel flutter is to be in the rolling condition that is attended by sideslip in the most times that turn to, article two, the difference of line is big more, and it is serious more to break away.Make the bigger internal force of generation in the whole steering swivel system simultaneously, aggravated the wearing and tearing of wheel flutter and steering hardware, the sideslip of wheel flutter also makes the stability decreases of vehicle during high speed steering.
Summary of the invention
The purpose of this utility model be exactly when turning to turning to that Ackerman steering mechanism exists in the prior art wheel flutter have the technical matters of breakking away, design provides a kind of transmission device for automatically correcting steering, by adopting the mechanism that in steering procedure, changes the track arm angle of deviation automatically, the actual steering line is overlapped with theoretical no sideslip and steering line, guarantee that wheel flutter is in the pure rolling state all the time in whole steering angle scope, reaching does not have sideslip when wheel flutter turns to, improve vehicle stability, alleviate and reduces the purpose that wheel flutter and steering hardware wear and tear, increase the service life.
Basic design of the present utility model is, transmission device for automatically correcting steering comprises propons, left and right side track arm, steering side tube and intermediate rod, be positioned at the left and right side angle transmission joint of symmetrical hinged installation arm on the outside left of left and right side track arm at propons, proofreading and correct the body assembly is located by connecting on the rear end of left side track arm, and hinged with left hand corner transmission bar ball-type, be connected with intermediate rod; The other end of left hand corner transmission bar and left hand corner transmission joint arm rear end ball-type are hinged, it is hinged with right hand steering joint arm and right-hand corner transmission joint arm rear end ball-type respectively that right-hand corner is transmitted the two ends of bar, and left hand corner transmission joint arm, left hand corner are transmitted bar, left side track arm, propons and right-hand corner transmission joint arm, right-hand corner and transmitted bar, right hand steering joint arm, propons and constitute two independently parallelogram lindages respectively.Proofreading and correct the body assembly is made of director under correcting cam, roller assembly, preceding director down and the back.
The utility model has been realized the actual steering line of wheel flutter and overlapping of theoretical no sideslip and steering line, guarantee that wheel flutter is satisfying the requirement of Ackermam formula in the steering angle arbitrarily, the comparatively ideal wheel flutter that solved turns to the sideslip problem, have simple in structurely be suitable for, good manufacturability, raising vehicle operating stability, the characteristics that alleviate parts wear, increase the service life.
Description of drawings
Fig. 1 is a transmission device for automatically correcting steering overall structure scheme drawing;
Fig. 2 is that A promptly proofreaies and correct body assembly mounting structure scheme drawing to view among Fig. 1;
Fig. 3 is a B-B cutaway view among Fig. 2.
Piece number explanation among the figure:
1, left hand corner transmission joint arm, 2, left hand corner are transmitted bar, 3, left side track arm, 4, are proofreaied and correct body assembly, 5, steering side tube, 6, intermediate rod, 7, propons, 8, right hand steering joint arm, 9, right-hand corner transmit bar, 10, right-hand corner transmission joint arm, 11, correcting cam, 12, roller assembly, 13, preceding director, 14 down, back director down.
The specific embodiment
Below in conjunction with accompanying drawing the utility model optimum implementation is described in detail.Transmission device for automatically correcting steering comprises left side track arm 3 and the right hand steering joint arm 8 that is hinged on the propons 7, and the steering side tube 5 that is hinged with left side track arm 3 one ends, two ends respectively with left and right side track arm 3,8 pivotally attached intermediate rods 6, be positioned at hinged left hand corner transmission joint arm 1 and the right-hand corner transmission joint arm 10 of being installed with of symmetry on the outside left of left and right side track arm 3 and 8 at propons 7; Proofread and correct body assembly 4 and be located by connecting on the rear end of left side track arm 3, and hinged with left hand corner transmission bar 2 ball-types, be connected with intermediate rod 6; The other end of left hand corner transmission bar 2 and left hand corner transmission joint arm 1 rear end ball-type are hinged, it is hinged with right hand steering joint arm 8 and right-hand corner transmission joint arm 10 rear end ball-types respectively that right-hand corner is transmitted the two ends of bar 9, and left hand corner transmission joint arm 1, left hand corner are transmitted bar 2, left side track arm 3, propons 7 and right-hand corner transmission joint arm 10, right-hand corner and transmitted bar 9, right hand steering joint arm 8, propons 7 and constitute two independently parallelogram lindages respectively.Proofreading and correct body assembly 4 is made of director 14 under correcting cam 11, roller assembly 12, preceding director 13 down and the back, down director 13 and back down in director 14 chambeies before its correcting cam 11 is installed in, correcting cam 11 upper ends and left side track arm 3 are located by connecting, and it is hinged that its lower end and left hand corner are transmitted bar 2 ball-types; Before down director 13 and back down director 14 utilize fastener fixing with intermediate rod 6, and with the line of centers of correcting cam 11 be limited to can only with the crossing path of motion of intermediate rod 6 line of centerss on; Roller assembly 12 is installed on intermediate rod 6 and the preceding director 13 down, with the outer surface closed contact of correcting cam 11.
When steering side tube 5 pulling deflection angles generate the abb of mechanism
1a
1During rotation, the angle between intermediate rod 6 and the left side track arm 3 changes, and the roller assembly of proofreading and correct in the body assembly 4 12 moves along correcting cam 11 profiles, generates the abb of mechanism thereby changed deflection angle
1a
1Middle a
1With b
1Distance between 2, the profile equation of correcting cam 11 guarantee that the deflection angle that is generated is satisfying no sideslip requirement in the steering angle arbitrarily in this process.Deflection angle generates the abb of mechanism
1a
1In each rod member hinged, and can only in horizontal surface, rotate, to guarantee the accurate realization of trimming process.Deflection angle generates the abb of mechanism
1a
1The theory that generates does not have the deflection angle transmission mechanism Aaa that the sideslip and steering angle is made up of parallelogram lindage
1A
1And bBB
1b
1Equivalence is delivered to left and right wheel flutter respectively, so that wheel flutter deflection realizes turning to.A in the deflection angle transmission mechanism
1, a
1, B
1, b
1Hinged for ball-type, save the space motion of arm 10 in steering procedure to adapt to the left hand corner transmission joint arm 1 and the right-hand corner transmission that cause owing to steering yoke bolt introversion, hypsokinesis.
Claims (2)
1, a kind of transmission device for automatically correcting steering, this steering transmission linkage comprises left side track arm (3) and the right hand steering joint arm (8) that is hinged on the propons (7), and the steering side tube (5) that is hinged with left side track arm (3) one ends, two ends respectively with left and right side track arm (3), (8) pivotally attached intermediate rod (6), it is characterized in that being positioned on the outside left of left and right side track arm (3) and (8) that symmetry is hinged to be installed with left hand corner transmission joint arm (1) and the right-hand corner transmission saves arm (10) at propons (7); Proofread and correct body assembly (4) and be located by connecting on the rear end of left side track arm (3), and hinged with left hand corner transmission bar (2) ball-type, be connected with intermediate rod (6); The other end of left hand corner transmission bar (2) and left hand corner transmission joint arm (1) rear end ball-type are hinged, it is hinged with right hand steering joint arm (8) and right-hand corner transmission joint arm (10) rear end ball-type respectively that right-hand corner is transmitted the two ends of bar (9), and left hand corner transmission joint arm (1), left hand corner transmit that bar (2), left side track arm (3), propons (7) and right-hand corner transmission joint arm (10), right-hand corner transmission bar (9), right hand steering save arm (8), propons (7) constitutes two independently parallelogram lindages respectively.
2, transmission device for automatically correcting steering according to claim 1, it is characterized in that proofreading and correct body assembly (4) is made of director (14) under correcting cam (11), roller assembly (12), preceding director (13) down and the back, its correcting cam (11) is installed in following director (14) chamber of preceding following director (13) and back, correcting cam (11) upper end is located by connecting with left side track arm (3), and it is hinged that its lower end and left hand corner are transmitted bar (2) ball-type; Before down director (13) and back down director (14) utilize fastener and intermediate rod (6) to fix, and with the line of centers of correcting cam (11) be limited to can only with the crossing path of motion of intermediate rod (6) line of centers on; Roller assembly (12) is installed on intermediate rod (6) and the preceding director (13) down, with the outer surface closed contact of correcting cam (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274005 CN2529808Y (en) | 2001-11-13 | 2001-11-13 | Self correcting steering driving gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01274005 CN2529808Y (en) | 2001-11-13 | 2001-11-13 | Self correcting steering driving gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2529808Y true CN2529808Y (en) | 2003-01-08 |
Family
ID=33678770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01274005 Expired - Fee Related CN2529808Y (en) | 2001-11-13 | 2001-11-13 | Self correcting steering driving gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2529808Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153711C (en) * | 2001-11-13 | 2004-06-16 | 刘宏新 | Transmission device for automatically correcting steering |
| CN104555307A (en) * | 2014-11-27 | 2015-04-29 | 南京熊猫电子股份有限公司 | High-altitude carrying system |
-
2001
- 2001-11-13 CN CN 01274005 patent/CN2529808Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1153711C (en) * | 2001-11-13 | 2004-06-16 | 刘宏新 | Transmission device for automatically correcting steering |
| CN104555307A (en) * | 2014-11-27 | 2015-04-29 | 南京熊猫电子股份有限公司 | High-altitude carrying system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |