CN101323326A - Front and rear linkage steering mechanism for rhombus vehicle - Google Patents

Front and rear linkage steering mechanism for rhombus vehicle Download PDF

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Publication number
CN101323326A
CN101323326A CNA200810031623XA CN200810031623A CN101323326A CN 101323326 A CN101323326 A CN 101323326A CN A200810031623X A CNA200810031623X A CN A200810031623XA CN 200810031623 A CN200810031623 A CN 200810031623A CN 101323326 A CN101323326 A CN 101323326A
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China
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links
connecting rod
rear drive
pipe link
horn
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CNA200810031623XA
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Chinese (zh)
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CN101323326B (en
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钟志华
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Hunan University
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Hunan University
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Publication of CN101323326A publication Critical patent/CN101323326A/en
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Publication of CN101323326B publication Critical patent/CN101323326B/en
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Abstract

A pre and post linkage steering mechanism for a rhombus vehicle comprises a steering wheel, a front drive swing rod, a middle connection rod assembly, a reverse swing arm, a front wheel steering leader mechanism and a back wheel steering leader mechanism; wherein, the steering wheel is connected with the front drive swing rod by a steering shaft, a gear rack traversing mechanism and a connection rod of the traversing mechanism which are connected in sequence; one end of the front drive swing rod is connected with front wheel steering leader mechanism by a front drive connection rod and the other end is connected with the back wheel steering leader mechanism by a front drive slant rod, the middle connection rod assembly and the reverse swing arm which are connected in sequence; fixed by a front fixing shaft, the middle of the front drive swing rod can rotate around the front fixing shaft; fixed by a branch swing pin, the middle of the reverse swing arm can rotate around the branch swing pin; the middle connection rod assembly comprises more than two middle connection rods which are connected in sequence; the connecting parts between adjacent middle connection rods are connected with a swing arm of the middle connection rod. The mechanism has the advantages of simple and compact structure, low cost, little occupation of area, smaller turning radius, better rigidity and more flexible operation, etc.

Description

The front and rear linkage steering mechanism that is used for quasi-rhombus vehicle
Technical field
The present invention is mainly concerned with the Vehicle Engineering field, refers in particular to a kind of front and rear linkage steering mechanism that is used for quasi-rhombus vehicle.
Background technology
Steering swivel system is the mechanism that is used for keeping or changing vehicle heading, when Vehicular turn travels, guarantees coordinated angle relation between each wheel flutter.Two front-wheel deflections simultaneously turned to realization about traditional four wheeler was regulated by the steerage gear structure, and this traditional vehicle is because each wheel of front, rear, left and right be arranged in parallel, and therefore, its turn radius is relatively large, and operation neither be very flexible.Four wheels of quasi-rhombus vehicle adopt the front and back wheel linked steering by each one of front and back, middle two layouts that assume diamond in shape, and cause traditional steering hardware to arrange on quasi-rhombus vehicle, need to adopt a kind of later-model steering hardware.Existing quasi-rhombus vehicle supporting, steering hardware, its steering hardware comprises bogie truck, fork, and described bogie truck links to each other with trailing wheel with front-wheel respectively, links to each other with fork by steel rope simultaneously, the big gear wheel that is meshed with miniature gears wherein is housed on the front roll bar, and miniature gears and bearing circle join.This steering hardware is by the interlock of flexible wire ropes realization steering hardware, and the structure that has adopted steel rope to link to each other with fork causes complex structure, and this causes difficult arrangement under the less situation in space, chassis.
Summary of the invention
The technical problem to be solved in the present invention just is: at the technical matters of prior art existence, the invention provides a kind of simple and compact for structure, with low cost, institute take up space less, turn radius is littler, the front and rear linkage steering mechanism that rigidity is better, operation is used for quasi-rhombus vehicle more flexibly.
For solving the problems of the technologies described above, the solution that the present invention proposes is: a kind of front and rear linkage steering mechanism that is used for quasi-rhombus vehicle, it is characterized in that: it comprises bearing circle, rack-and-gear direction machine, the before driving fork, middle connecting rod complement, oppositely swing arm, front-wheel steering guide-bar mechanism and rear-axle steering guide-bar mechanism, the steering shaft of described bearing circle by linking to each other successively, rack-and-gear direction machine, direction machine connecting rod links to each other with the before driving fork, one end of described before driving fork links to each other with the front-wheel steering guide-bar mechanism by the before driving pipe link, the before driving brace of the other end by linking to each other successively, middle connecting rod complement, oppositely swing arm links to each other with the rear-axle steering guide-bar mechanism, the middle part of before driving fork also can be rotated around preceding anchor shaft by preceding anchor shaft is fixing, the middle part of described reverse swing arm is fixed on the frame by the swing backing pin and can be rotated around the swing backing pin, connecting rod complement is made up of the middle connecting rod more than two or two that links to each other successively in described, and the middle connecting rod swing arm that the junction and between the adjacent middle connecting rod is articulated on the frame links to each other.
An end of connecting rod swing arm is fixed on the frame by arm swing support in described, and the other end is connected by bearing pin with the junction of two middle connecting rods.
Described front-wheel steering guide-bar mechanism comprises preceding goat's horn, preceding goat's horn pipe link, front cross rail anchor shaft and the front cross rail rotating cylinder that links to each other successively, and an end of before driving pipe link links to each other with the front cross rail rotating cylinder, and the front cross rail rotating cylinder is connected with preceding goat's horn by preceding goat's horn pipe link.
Described rear-axle steering guide-bar mechanism comprises the back goat's horn that links to each other successively, back goat's horn pipe link, the after cross member anchor shaft, the after cross member rotating cylinder, the rear drive pipe link, driving pendulum rod, back anchor shaft and rear drive brace, oppositely an end of swing arm links to each other with the rear drive brace, the rear drive brace links to each other with the rear drive fork by the 8th bearing pin, the rear drive fork connects the rear drive pipe link by the 9th bearing pin, the stage casing of rear drive fork links to each other with the back anchor shaft, the rear drive pipe link connects the after cross member rotating cylinder by the tenth bearing pin, and the after cross member rotating cylinder links to each other with the back goat's horn by back goat's horn pipe link.
Compared with prior art, advantage of the present invention just is:
1, the present invention is used for the front and rear linkage steering mechanism steering hardware of quasi-rhombus vehicle, has better front and back linkage characteristics, thereby makes front and rear wheel produce the higher synchronous handling maneuver of precision, makes that therefrom steering manipulation is better, and Turning radius is littler;
2, the present invention is used for the front and rear linkage steering mechanism steering hardware of quasi-rhombus vehicle, thrust reversing by connecting rod and rear drive brace in the reverse swing arm realization, thereby make the direction conformability of front-and rear-wheel steer better, simultaneously can adjust the layout angle of each drive link, thereby it is flexible more, convenient that leverage is arranged by the length of adjusting reverse swing arm;
3, the present invention is used for the front and rear linkage steering mechanism steering hardware of quasi-rhombus vehicle, in order to have improved the rigidity of middle connecting rod, make middle connecting rod be divided into several sections of actvies by connecting rod swing arm, can make steering gear connection pass through jackshaft better, make like this and can reduce simultaneously rigid demand relatively by leverage reliability height vehicle body;
4, the present invention is used for the front and rear linkage steering mechanism steering hardware of quasi-rhombus vehicle, owing to adopt the pull bar structure, thereby make structure more simple, round trip than the compliance steer system, have take up room little, and owing to do not have the elastic shrinkage of flexible piece, thereby the interlock conformability before and after making is better.
Description of drawings
Fig. 1 is a main TV structure scheme drawing of the present invention;
Fig. 2 is a plan structure scheme drawing of the present invention.
Marginal data
1, front cross rail 2, preceding goat's horn
3, first bearing pin 4, preceding goat's horn pipe link
5, second bearing pin 6, front cross rail anchor shaft
7, front cross rail rotating cylinder 8, croisillon de joint homocinetique
9, before driving pipe link 10, before driving fork permanent seat
11, before driving fork 12, the 4th bearing pin
13, preceding anchor shaft 14, rack-and-gear direction machine
15, steering shaft 16, bearing circle
17, the 5th bearing pin 18, steering ball end
19, direction machine connecting rod 20, before driving brace
21, connecting rod fixed link in the 6th bearing pin 22, first
23, connecting rod swing arm in the pin 24, first of connecting rod lower end in first
25, connecting rod swing arm in the connecting rod 26, second in first
27, connecting rod fixed link in the pin 28, second of connecting rod lower end in second
29, connecting rod fixed link in the connecting rod 30, the 3rd in second
31, connecting rod swing arm in the pin the 32, the 3rd of connecting rod lower end in the 3rd
33, connecting rod fixed link in the connecting rod 34, the 4th in the 3rd
35, oppositely swing arm 36, the 7th bearing pin
37, swing backing pin 38, rear drive brace
39, the 8th bearing pin 40, back anchor shaft
41, rear drive fork permanent seat 42, rear drive fork
43, the 9th bearing pin 44, rear drive pipe link
45, the tenth bearing pin 46, after cross member rotating cylinder
47, after cross member anchor shaft 48, the 11 bearing pin
49, back goat's horn pipe link 50, the 12 bearing pin
51, back goat's horn 52, after cross member
53, connecting rod lower end pin in the 4th
The specific embodiment
Below with reference to the drawings and specific embodiments the present invention is described in further details.
As depicted in figs. 1 and 2, the present invention is used for the front and rear linkage steering mechanism of quasi-rhombus vehicle, and it has comprised bearing circle 16, rack-and-gear direction machine 14, before driving fork 11, middle connecting rod complement, oppositely swing arm 35, front-wheel steering guide-bar mechanism and rear-axle steering guide-bar mechanism.Bearing circle 16 links to each other with rack-and-gear direction machine 14 by steering shaft 15, and rack-and-gear direction machine 14 direction of passage machine connecting rods 19 link to each other with before driving fork 11.One end of before driving fork 11 connects before driving pipe link 9 by the 4th bearing pin 12, and the other end connects before driving brace 20 by the 5th bearing pin 17.The middle part of before driving fork 11 is fixed by preceding anchor shaft 13 and can be rotated around preceding anchor shaft 13.Before driving pipe link 9 connects the front-wheel steering guide-bar mechanism by croisillon de joint homocinetique 8, before driving brace 20 links to each other with an end of middle connecting rod complement by the 6th bearing pin 21, the middle connecting rod complement other end passes through the reverse swing arm 35 of connecting rod lower end pin 53 connections in the 4th, and oppositely the other end of swing arm 35 passes through the 7th bearing pin 36 connection rear-axle steering guide-bar mechanisms.Wherein, middle connecting rod complement is made up of connecting rod in the rigidity more than two or two that links to each other successively, junction in adjacent between the connecting rod links to each other with middle connecting rod swing arm, and connecting rod swing arm one end is fixed on the frame by arm swing support in this, and the other end is connected by bearing pin with the junction of two middle connecting rods.Oppositely the middle part of swing arm 35 is fixed on the frame by swing backing pin 37 and can be rotated around swing backing pin 37, realizes that front and rear wheel is reverse.When the steering effort by bearing circle 16 is delivered to reverse swing arm 35, oppositely swing arm 35 is rotated around swing backing pin 37, the thrust direction at its two ends is just in time opposite, thereby realized the thrust reversing of middle connecting rod complement and rear drive brace by reverse swing arm, the direction conformability when front and rear wheel is turned to is better.Simultaneously can adjust the layout angle of each drive link, thereby it is flexible more, convenient that leverage is arranged by the length of adjusting reverse swing arm 35.
In the present embodiment, referring to shown in Figure 1, middle connecting rod complement is made up of connecting rod in three sections, and the mode that socket or employing are arranged side by side between the connecting rod in adjacent connects, and hinged in junction and middle connecting rod swing arm.In connecting rod complement comprise successively link to each other first in connecting rod 33 in the connecting rod 29 and the 3rd in the connecting rod 25, second, before driving brace 20 links to each other with connecting rod 25 in first by the 6th bearing pin 21, connecting rod 25 links to each other by connecting rod 29 in the pin 27 and second of second connecting rod lower end in first, connecting rod 29 links to each other by connecting rod 33 in the pin 31 and the 3rd of third connecting rod lower end in second, and connecting rod 33 is sold 53 by connecting rod lower end in the 4th and linked to each other with an end of reverse swing arm 35 in the 3rd.An end of connecting rod swing arm 32 is respectively by being articulated on the arm swing support separately in the connecting rod swing arm 26, the 3rd in the connecting rod swing arm 24, second in first, and this arm swing support is respectively in first in the connecting rod fixed link 22, second connecting rod fixed link 30 in the connecting rod fixed link 28, the 3rd.In use, drive connecting rod 25 in first by before driving brace 20, connecting rod 25 passes through connecting rod swing arm 26 connecting rod fixed link 28 swings in second in second in first, promote connecting rod 29 in second, make it pass through connecting rod swing arm 32 connecting rod fixed link 30 swings in the 3rd in the 3rd, promoting in the 3rd in the connecting rod 33, the three connecting rod promotes reverse swing arm 35 by connecting rod lower end pin 53 in the 4th and rotates.By middle connecting rod complement is divided into several sections, add in adjacent connecting rod swing arm in the design of connecting rod junction, can make steering gear connection pass through jackshaft better, make the leverage reliability improve like this, can reduce rigid demand simultaneously relatively to vehicle body.
In the present embodiment, the front-wheel steering guide-bar mechanism comprises preceding goat's horn 2, preceding goat's horn pipe link 4, front cross rail anchor shaft 6 and front cross rail rotating cylinder 7, before driving pipe link 9 links to each other with front cross rail rotating cylinder 7 by croisillon de joint homocinetique 8, front cross rail rotating cylinder 7 links to each other with preceding goat's horn pipe link 4 by second bearing pin 5, goat's horn 2 before preceding goat's horn pipe link 4 connects by first bearing pin 3, preceding goat's horn 2 links to each other with front-wheel.Before driving pipe link 9 drives front cross rail rotating cylinder 7 and rotates around front cross rail anchor shaft 6, and the rotation of goat's horn 2 realized front-wheel steering before goat's horn pipe link 4 promoted before driving.
The rear-axle steering guide-bar mechanism comprises the back goat's horn 51 that links to each other successively, back goat's horn pipe link 49, after cross member anchor shaft 47, after cross member rotating cylinder 46, rear drive pipe link 44, driving pendulum rod 42, back anchor shaft 40 and rear drive brace 38, oppositely swing arm 35 links to each other with rear drive brace 38 by the 7th bearing pin 36, rear drive brace 38 links to each other with rear drive fork 42 by the 8th bearing pin 39, rear drive fork 42 connects rear drive pipe link 44 by the 9th bearing pin 43, the stage casing of rear drive fork 42 links to each other with back anchor shaft 40, and back anchor shaft 40 is fixed on the frame by rear drive fork permanent seat 41.Rear drive fork 42 can rotate around back anchor shaft 40, and its two ends thrust direction is reverse.Rear drive pipe link 44 connects after cross member rotating cylinder 46 by the tenth bearing pin 45, and after cross member rotating cylinder 46 links to each other with back goat's horn pipe link 49 by the 11 bearing pin 48, and back goat's horn pipe link 49 connects back goat's horn 51 by the 12 bearing pin 50, and back goat's horn 51 links to each other with trailing wheel.Oppositely swing arm 35 drives rear drive brace 38, promotes rear drive fork 42 and rotates around back anchor shaft 40, drives 44 motions of rear drive pipe link simultaneously.Rear drive pipe link 44 drives after cross member rotating cylinder 46 and rotates around after cross member anchor shaft 47, drives back goat's horn pipe link 49 and promotes turning to of back goat's horn, realizes rear-axle steering.
Principle of work: when chaufeur steering wheel rotation 16, bearing circle 16 moves horizontally by the tooth bar of steering shaft 15 driven gear tooth bar direction machines 14, and direction of passage machine connecting rod 19 can be converted into the parallel motion of tooth bar the rotation of before driving fork 11.Before driving fork 11 1 ends drive before driving pipe link 9, and before driving pipe link 9 drives the front-wheel steering guide-bar mechanism and promotes front-wheel steering.The other end of before driving fork 11 drives before driving brace 20, connecting rod rotates along connecting rod swing arm in each section during before driving brace 20 promotes in the connecting rod complement, thereby promoting reverse swing arm 35 rotates around swing backing pin 37, promote the rear-axle steering guide-bar mechanism and realize rear-axle steering, form the pull bar type of belt drive on the whole, realized forward and backward synchronous backward simultaneously.

Claims (5)

1, a kind of front and rear linkage steering mechanism that is used for quasi-rhombus vehicle, it is characterized in that: it comprises bearing circle (16), rack-and-gear direction machine (14), before driving fork (11), middle connecting rod complement, oppositely swing arm (35), front-wheel steering guide-bar mechanism and rear-axle steering guide-bar mechanism, the steering shaft (15) of described bearing circle (16) by linking to each other successively, rack-and-gear direction machine (14), direction machine connecting rod (19) links to each other with before driving fork (11), one end of described before driving fork (11) links to each other with the front-wheel steering guide-bar mechanism by before driving pipe link (9), the before driving brace (20) of the other end by linking to each other successively, middle connecting rod complement, oppositely swing arm (35) links to each other with the rear-axle steering guide-bar mechanism, the middle part of before driving fork (11) also can be rotated around preceding anchor shaft (13) by preceding anchor shaft (13) is fixing, the middle part of described reverse swing arm (35) is fixed on the frame by swing backing pin (37) and can be rotated around swing backing pin (37), connecting rod complement is made up of the middle connecting rod more than two or two that links to each other successively in described, and the middle connecting rod swing arm that the junction and between the adjacent middle connecting rod is articulated on the frame links to each other.
2, the front and rear linkage steering mechanism that is used for quasi-rhombus vehicle according to claim 1 is characterized in that: an end of connecting rod swing arm is fixed on the frame by arm swing support in described, and the other end is connected by bearing pin with the junction of two middle connecting rods.
3, the front and rear linkage steering mechanism that is used for quasi-rhombus vehicle according to claim 1 and 2, it is characterized in that: described front-wheel steering guide-bar mechanism comprises preceding goat's horn (2), preceding goat's horn pipe link (4), front cross rail anchor shaft (6) and the front cross rail rotating cylinder (7) that links to each other successively, one end of before driving pipe link (9) links to each other with front cross rail rotating cylinder (7), and front cross rail rotating cylinder (7) is connected with preceding goat's horn (2) by preceding goat's horn pipe link (4).
4, the front and rear linkage steering mechanism that is used for quasi-rhombus vehicle according to claim 1 and 2, it is characterized in that: described rear-axle steering guide-bar mechanism comprises the back goat's horn (51) that links to each other successively, back goat's horn pipe link (49), after cross member anchor shaft (47), after cross member rotating cylinder (46), rear drive pipe link (44), driving pendulum rod (42), back anchor shaft (40) and rear drive brace (38), oppositely an end of swing arm (35) links to each other with rear drive brace (38), rear drive brace (38) links to each other with rear drive fork (42) by the 8th bearing pin (39), rear drive fork (42) connects rear drive pipe link (44) by the 9th bearing pin (43), the stage casing of rear drive fork (42) links to each other with back anchor shaft (40), rear drive pipe link (44) connects after cross member rotating cylinder (46) by the tenth bearing pin (45), and after cross member rotating cylinder (46) links to each other with back goat's horn (51) by back goat's horn pipe link (49).
5, the front and rear linkage steering mechanism that is used for quasi-rhombus vehicle according to claim 3, it is characterized in that: described rear-axle steering guide-bar mechanism comprises the back goat's horn (51) that links to each other successively, back goat's horn pipe link (49), after cross member anchor shaft (47), after cross member rotating cylinder (46), rear drive pipe link (44), driving pendulum rod (42), back anchor shaft (40) and rear drive brace (38), oppositely an end of swing arm (35) links to each other with rear drive brace (38), rear drive brace (38) links to each other with rear drive fork (42) by the 8th bearing pin (39), rear drive fork (42) connects rear drive pipe link (44) by the 9th bearing pin (43), the stage casing of rear drive fork (42) links to each other with back anchor shaft (40), rear drive pipe link (44) connects after cross member rotating cylinder (46) by the tenth bearing pin (45), and after cross member rotating cylinder (46) links to each other with back goat's horn (51) by back goat's horn pipe link (49).
CN200810031623XA 2008-06-30 2008-06-30 Front and rear linkage steering mechanism for rhombus vehicle Expired - Fee Related CN101323326B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810031623XA CN101323326B (en) 2008-06-30 2008-06-30 Front and rear linkage steering mechanism for rhombus vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810031623XA CN101323326B (en) 2008-06-30 2008-06-30 Front and rear linkage steering mechanism for rhombus vehicle

Publications (2)

Publication Number Publication Date
CN101323326A true CN101323326A (en) 2008-12-17
CN101323326B CN101323326B (en) 2010-06-02

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CN200810031623XA Expired - Fee Related CN101323326B (en) 2008-06-30 2008-06-30 Front and rear linkage steering mechanism for rhombus vehicle

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109130745A (en) * 2018-08-22 2019-01-04 天津凯瑞波客科技有限公司 A kind of 4 wheel driven offroad vehicle adjusting linkage mechanism with wheel
CN112127307A (en) * 2020-08-24 2020-12-25 兴力洁道路保洁集团有限公司 Robot for road cleaning

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1293134A (en) * 2000-12-15 2001-05-02 钟志华 Quasi-rhombic automobile
CN2454228Y (en) * 2000-12-15 2001-10-17 钟志华 Diamondlike automobile
CN100345719C (en) * 2004-07-29 2007-10-31 湖南大学 Rhombic like automobile chassis
CN1323889C (en) * 2004-07-30 2007-07-04 湖南大学 Rhombic carriage supporting steering mechanism
CN2727002Y (en) * 2004-08-02 2005-09-21 湖南大学 Rhomb similar vehicle supporting and steering mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109130745A (en) * 2018-08-22 2019-01-04 天津凯瑞波客科技有限公司 A kind of 4 wheel driven offroad vehicle adjusting linkage mechanism with wheel
CN109130745B (en) * 2018-08-22 2023-09-01 天津凯瑞波客科技有限公司 Four-wheel-drive off-road vehicle with wheel adjustment linkage mechanism
CN112127307A (en) * 2020-08-24 2020-12-25 兴力洁道路保洁集团有限公司 Robot for road cleaning

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