CN106314533A - Chute cam type automobile steering mechanism and design method thereof, as well as dual-front-shaft automobile - Google Patents
Chute cam type automobile steering mechanism and design method thereof, as well as dual-front-shaft automobile Download PDFInfo
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- CN106314533A CN106314533A CN201510332810.1A CN201510332810A CN106314533A CN 106314533 A CN106314533 A CN 106314533A CN 201510332810 A CN201510332810 A CN 201510332810A CN 106314533 A CN106314533 A CN 106314533A
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Abstract
The invention provides a chute cam type automobile steering mechanism and a design method thereof, as well as a dual-front-shaft automobile. Through the adoption of the chute cam type automobile steering mechanism, the sideslip can be reduced to the greatest extent during steering of the automobile, the service life of tires can be prolonged, and the stability of the automobile during steering can be kept. The steering mechanism comprises steering arms, steering horizontal pull rods, steering connecting rods, a steering control rod and a chute cam, wherein each of the steering arms is connected with the corresponding steering connecting rod through a ball head; each of the steering connecting rods and the corresponding steering horizontal pull rod are connected through a pin shaft, and are connected with the steering control rod through a ball head; the other end of the steering control rod is connected with a steering engine; the pin shaft through which each steering connecting rod is connected with the corresponding steering horizontal pull rod on one side is matched with the fixed chute cam; according to the dual-front-shaft automobile, a longitudinal driving rod and a longitudinal driven rod are arranged on the same side; and the pin shaft with the ball head is matched with a chute of a longitudinal chute cam. When the automobile travels in a straight line, a ball head rod stays in the middle position of the chute; and when the automobile is steered, the ball head rod slides in the chute, so that strict rotating angles of left wheels and right wheels are guaranteed.
Description
Technical field
The present invention relates to a kind of automotive steering structure, belong to wheeled vehicle steering field.
Background technology
Wheeled vehicle, when turning to, owing to inner side and outer side vehicle turning radius is different, causes the rotation of outboard wheels
Angle must is fulfilled for certain relation guarantee wheel relative to ground less than inboard wheel and both anglecs of rotation
Not breakking away, meeting relation is: cot α 1=cot β 1+B/L1, and wherein α 1 is the outboard wheels rotation of turn side
Angle, β 1 is the angle of the inboard wheel rotation of turn side, and B is spacing between interior outboard wheels, and L1 is inner side
Analysis of wheel vertical line and the intersection point of outboard wheels vertical line, the fore-and-aft distance of distance two wheel center line, longitudinal direction
Direction for vertical two wheel center lines；For double front axle automobiles, also need to meet L1 × cot α 1=L2 × cot
α 2, as a example by turning left, α 2 is the angle that two axle outboard wheels rotate, and L2 is two axle inboard wheel vertical lines
With the intersection point of outboard wheels vertical line, the fore-and-aft distance of two wheel center lines of distance the second axle, each parameter in formula
As shown in Figure 1.
Wheeled vehicle typically uses ackerman steering, but so far, does not has any trapezium structure to protect
Card both sides wheel does not break away, and can only approximate and meet this relation in the range of certain angle, during such motor turning,
Steered wheel inevitably produces sliding friction with ground, decreases Life of Tyre, and impact is handled steady
Qualitative.
Slideway cam used in the present invention efficiently solves this difficult problem, inside and outside wheel can be made strictly to meet this
Relation.
Summary of the invention
The present invention provides a kind of slideway cam-type automotive steering structure and method for designing, double front axle automobile, and it is permissible
Making to reduce to greatest extent during motor turning sideslip, improve Life of Tyre, when keeping turning to, vehicle stablizes.
Present disclosure: slideway cam-type automotive steering structure include steering arm, track rod, steering link,
Steering control level and slideway cam.For double front axle automobiles, also include longitudinal driving lever, longitudinally by lever, two axles
Slideway cam and end slipway cam, as shown in Figure 2.
Steering arm and steering link are connected by bulb；Steering link and track rod are connected by bearing pin, both
It is connected by bulb with steering control level again；Steering control level is fixed on above axletree by hinge；Steering control level
The other end is directly connected with turning to machine, wherein connects bearing pin and the slideway cam of right hand steering connecting rod and track rod
Slideway coordinate；Be connected fixing with axletree of slideway cam (for double front axle automobiles, also wants steering control level and longitudinal direction
Driving lever, longitudinal driving lever are controlled bar by lever with two axle steers with longitudinal direction be connected by bulb by lever, longitudinal directions,
Wherein connect longitudinal driving lever and longitudinally coordinated with the slideway of end slipway cam by the band ball stud shaft of lever, longitudinally
Slideway cam is fixing with vehicle frame to be connected).When automobile straight line moving, ball rod is the most relative with slideway cam to slide,
Ball rod rests on the centre position of slideway；When motor turning, ball rod slides in slideway, about ensureing
The anglec of rotation that wheel is strict.
The technical scheme is that
A kind of slideway cam-type automotive steering structure, with automobile axis as center line, during first, second wheel is distributed in
Line both sides, it is characterised in that steering mechanism include first steering arm the 1, second steering arm 21, track rod 2,
First steering link the 3, second steering link 23, steering control device 4, protuberance 11 and slideway cam 5, tool
Body ground:
One end of first, second steering arm connects first, second wheel respectively, another of first, second steering arm
Hold the most corresponding one end being rotationally connected first, second steering link；
Between first, second steering link by track rod realize connect, the first steering link with turn to horizontal drawing
For being rotationally connected between bar, for being rotationally connected between the second steering link and track rod, this second steering link
Being connected protuberance with the place of being rotationally connected of track rod, the slideway gap of the other end of protuberance and slideway cam is joined
Closing, the other end of protuberance slides along the slideway of slideway cam；
First steering link has steering control device with the junction reconnection of track rod, and steering control device is even
Switching through to machine, transmit Vehicular turn action, steering control device drives the first steering link, track rod to produce
Displacement；
Slideway cam is fixed on axletree or vehicle frame or car body.
Further, described steering control device is steering control level, and steering control level is fixed on car by hinge
Above axle, steering control level is connected with turning to machine；Described protuberance is bearing pin, the second steering link with turn to horizontal stroke
Connecting for bearing pin between pull bar, bearing pin one end and the slideway matched in clearance of slideway cam, bearing pin is along the cunning of slideway cam
Road slides.
Further, first, second described steering arm is the most corresponding is bulb with first, second steering link
Connect.
Further, being connected for bearing pin between the first described steering link and track rod, described turns to control
Bar processed and the first steering link, track rod use bulb to connect.
Further, the slideway shape of described slideway cam uses experimental technique to obtain, and this slideway shape meets closes
System: cot α 1=cot β 1+B/L1, wherein α 1 be turn side outboard wheels rotation angle, β 1 is turn side
The angle that rotates of inboard wheel, B is spacing between interior outboard wheels, and L1 is inboard wheel vertical line and outside car
The fore-and-aft distance of intersection point distance two wheel center of wheel vertical line, fore-and-aft distance direction is vertical two wheel center lines
Direction.
A kind of double front axle automobile, including an axle, two axles, the first wheel, the second wheel, the 3rd wheel, the 4th car
Wheel a, it is characterised in that axle, two axles all use above-mentioned a kind of slideway cam-type automotive steering structure, defines two
The sliding cam of axle is two axle sliding cams 10, wherein, is provided with connection-rod linkage mechanism, connecting rod between an axle and two axles
The setting of link gear includes: the steering control device of an axle connects longitudinal driving lever, the steering control device of two axles
Connecting longitudinally by lever, longitudinal direction driving lever is connected and the longitudinal bearing pin of junction connection by lever with longitudinal, and this is longitudinally sold
Axle is matched in clearance with the slideway on end slipway cam, and the wheel anglec of rotation relation of an axle and two axles is by longitudinal direction
Slideway cam 8 limits the moving line of bearing pin 211 and realizes, and end slipway cam is fixed on axletree or vehicle frame or car body
On.
Further, described steering control device is steering control level, steering control level and longitudinal driving lever, vertical
Controlled bar by lever with two axle steers and be all connected by bulb with longitudinal direction by lever, longitudinal direction to driving lever, wherein connect
Longitudinal driving lever is coordinated with the slideway of end slipway cam with bulb, this bulb by longitudinal bearing pin of lever with longitudinal.
Further, the slideway shape of a described axle, two axle slideway cams and end slipway cam uses experiment
Method obtains, and the slideway shape of the slideway cam of an axle meets relation: cot α 1=cot β 1+B/L1, two axle slideways
The slideway shape of cam meets relation: cot α 2=cot β 2+B/L2, described end slipway cam 8 horizontal positioned
Or vertically place, the slideway shape of end slipway cam meets L1 × cot α 1=L2 × cot α 2, and wherein α 1 is
The angle that one axle outboard wheels of turn side rotates, β 1 is the angle of an axle inboard wheel rotation of turn side；α2
The angle rotated for the outboard wheels of turn side；β 2 is the angle of the inboard wheel rotation of turn side；B is inside and outside
Spacing between the wheel of side；L1 is intersection point distance two wheel center of inboard wheel vertical line and outboard wheels vertical line
Fore-and-aft distance, fore-and-aft distance direction is the direction of vertical two wheel center lines；L2 is that two axle inboard wheels are vertical
The fore-and-aft distance of intersection point distance two axle two wheel center of line and outboard wheels vertical line, fore-and-aft distance direction is vertical
The direction of two wheel center lines.
A kind of ramp design method of slideway cam-type automotive steering structure, it is characterised in that left and right sides wheel it
Between use linkage to realize the realization that is connected to turn to unanimously, it is convex with the slip fixed that linkage is provided with protuberance
Slideway on wheel carries out matched in clearance, and concrete steps include:
The first step, the size of each connecting rod in initial setting linkage, according to angular relationship formula: cot α 1=cot β
1+B/L1 determines the interior outboard wheels relative position in a certain angle, and α 1 is that an axle outboard wheels of turn side rotates
Angle, β 1 be turn side one axle inboard wheel rotate angle；α 2 is that the outboard wheels of turn side rotates
Angle；β 2 is the angle of the inboard wheel rotation of turn side；B is spacing between interior outboard wheels；L1 is inner side
The fore-and-aft distance of intersection point distance two wheel center of analysis of wheel vertical line and outboard wheels vertical line, fore-and-aft distance direction is
The direction of vertical two wheel center lines, the protuberance of described linkage position on sliding cam is also the most really
Fixed；
Second step, increases a certain spacing value of the anglec of rotation of wheel, and new wheel determines relative to position, linkage
The protuberance new position on sliding cam also determine that；
3rd step, circulates the first step, second step, obtains a series of location points corresponding with wheel diverse location,
These points are linked up, has just obtained the pattern curve of slideway cam.
Further, for double front axle vehicles, an axle, two axles homonymy wheel between use connection-rod linkage mechanism to enter
Row synchronizes, and described connection-rod linkage mechanism is provided with protuberance, and this protuberance is gap with the slideway of end slipway cam
Coordinating, concrete steps include:
The first step, the initial size setting connection-rod linkage mechanism, need to meet according to the slideway shape of end slipway cam
Angular relationship formula determine the interior outboard wheels relative position in a certain angle, the slideway shape of this end slipway cam
Meeting relation: L1 × cot α 1=L2 × cot α 2, wherein α 1 is the angle that an axle outboard wheels of turn side rotates,
α 2 is the angle of the outboard wheels rotation of turn side；B is spacing between interior outboard wheels；L1 is that inboard wheel hangs down
The fore-and-aft distance of intersection point distance two wheel center of straight line and outboard wheels vertical line, fore-and-aft distance direction is vertical two
The direction of wheel center line；L2 is intersection point distance two axle of two axle inboard wheel vertical lines and outboard wheels vertical line
The fore-and-aft distance of two wheel centers, fore-and-aft distance direction is the direction of vertical two wheel center lines；Connection-rod linkage machine
The protuberance of structure position on end slipway cam also determines that；
Second step, increases a certain spacing value of the anglec of rotation of wheel, and new wheel determines relative to position, connection-rod linkage
The protuberance of mechanism new position on end slipway cam also determines that；
3rd step, circulates the first step, second step, obtains a series of location points corresponding with wheel diverse location,
These points are linked up, has just obtained the pattern curve of end slipway cam.
Accompanying drawing explanation
The anglec of rotation graph of a relation of four wheels when Fig. 1 is double front axle motor turning of the present invention；
Four wheels and the location drawing of all parts when Fig. 2 is automobile straight-line travelling in one embodiment of the present of invention；
When Fig. 3 is that in one embodiment of the present of invention, automobile turns left, wheel reaches the schematic diagram of the maximum anglec of rotation；
When Fig. 4 is that in one embodiment of the present of invention, automobile is turned right, wheel reaches the schematic diagram of the maximum anglec of rotation；
Fig. 5 is the slideway shape graph of an embodiment of an axle slideway cam of the present invention；
Fig. 6 is the slideway shape graph of an embodiment of the end slipway cam of the present invention；
Fig. 7 is the slideway shape graph of an embodiment of the two axle slideway cams of the present invention；
Fig. 8 is the profile of an embodiment of an axle slideway cam of the present invention.
Detailed description of the invention
As Fig. 1 is to shown in 7, and as a example by double front axle automobiles, the slideway cam-type automotive steering structure of the present invention includes
First steering arm the 1, second steering arm 21, track rod the 2, first steering link the 3, second steering link 23,
Steering control device 4, bearing pin 11 and slideway cam 5, for double front axle automobiles, also include longitudinal driving lever 6,
Longitudinally controlled bar 9 and end slipway cam 8, longitudinal bearing pin by lever 7, two axle slideway cam 10, two axle steer
211.In the present embodiment, steering control device uses steering control level.
First steering arm 1 and the first steering link 3 are connected by bulb；Second steering arm 21 and the second steering link
23 are connected by bulb；Steering link 3,23 and track rod 2 are connected by bearing pin 11, both again with turn
Connected by bulb to controlling bar 4；Corner's through hole of steering control level 4 is fixed on above axletree by hinge；
Steering control level 4 other end is directly connected with turning to machine, wherein the second steering link 3 and the pin of track rod 2
Axle 11 coordinates with the slideway of slideway cam 5；Slideway cam 5 is connected by the tight positional calculated is fixing with axletree, right
In Motor Vehicle with Independent Suspension, can be fixed on vehicle frame.
For double front axle automobiles, also want steering control level 4 and longitudinal driving lever 6, longitudinal driving lever 6 and longitudinal quilt
Lever 7, longitudinal direction are controlled bar 9 by lever 7 with two axle steers and are connected by bulb respectively, wherein connect the most actively
Bar 6 is coordinated with the slideway of end slipway cam 8 by the band ball stud shaft 211 of lever 7 with longitudinal, and end slipway is convex
Wheel 8 is fixing with vehicle frame to be connected.
In a further embodiment, steering control device can also use the course changing control class such as block, hydraulic means
Device.
As shown in Figure 8, wherein bearing pin 11 coordinates with slideway, and bearing pin one end connects nut 12, and bearing pin 11 is with sliding
Road cam 5 is matched in clearance, in order to bearing pin 11 slides smoothly.
The slideway shape of one axle, two axle slideway cams and end slipway cam uses experimental technique to obtain, an axle
The slideway shape of slideway cam meets relation: cot α 1=cot β 1+B/L1, the slideway shape of two axle slideway cams is full
Foot relation: cot α 2=cot β 2+B/L2, described end slipway cam 8 horizontal positioned or vertically place, longitudinally
The slideway shape of slideway cam meets L1*cot α 1=L2*cot α 2, and wherein α 1 is car outside an axle of turn side
The angle that wheel rotates, β 1 is the angle of an axle inboard wheel rotation of turn side；α 2 is the outboard wheels of turn side
The angle rotated；β 2 is the angle of the inboard wheel rotation of turn side；B is spacing between interior outboard wheels；L1
For the fore-and-aft distance of inboard wheel vertical line Yu intersection point distance two wheel center of outboard wheels vertical line, fore-and-aft distance
Direction is the direction of vertical two wheel center lines；L2 is two axle inboard wheel vertical lines and outboard wheels vertical line
The fore-and-aft distance of intersection point distance two axle two wheel center, fore-and-aft distance direction is the direction of vertical two wheel center lines.
The shape of the slideway on slideway cam 5 and two axle slideway cams 10 is the angular relationship essence by interior outboard wheels
Really draw.When drawing, first determine the interior outboard wheels relative position in a certain angle according to angular relationship formula,
The position of the bearing pin 11 connecting track rod 2 and steering link 3,23 also determines that, the center of bearing pin 11
Point is exactly a point on ramp curve；Increasing a certain spacing value of the anglec of rotation of wheel, new wheel is relative to position
Determining, the position that bearing pin 11 central point is new also determines that, a point on ramp curve of getting back.Always under do so
Go, arise that the series of points corresponding with wheel diverse location, these points are linked up, has just obtained slideway
The pattern curve of cam.In like manner, the angular relationship according to the same side wheel can obtain the cunning of end slipway cam 8
Road shape curve.
When automobile left steering, under the effect of steering control level 4, bearing pin 11 along slideway cam track to the right
Front is moved, thus drives an axle left and right wheels to rotate, and meanwhile, connects longitudinal driving lever 6 with the most passive
The bearing pin 11 of bar 7 moves down along the track of end slipway cam, drives two axle steers to control bar 9 and revolves counterclockwise
Turn.Two axle steers control bar 9 and drive two axle steer drag links 2 and steering link 3,23 to move to right, bearing pin 11 simultaneously
Slide to right front along two axle slideway cam locus, thus drive two axle left and right wheelses to rotate.During whole,
Interior outboard wheels (also including that two-axle car is taken turns for double front axle automobiles) carries out turning in strict accordance with preferable angular relationship formula
Dynamic, the extended line of they axis meets at a bit all the time on the axis of back axle, sees Fig. 1.
When automobile is turned right, principle is identical, and the direction of motion of all parts is contrary.
In a further embodiment, the prodger that bearing pin can be connected with linkage by other replaces, such as slide block
Deng.
Finally should be noted that: above example is only in order to illustrate that the technical scheme of this case is not intended to limit；To the greatest extent
This case has been described in detail by pipe with reference to preferred embodiment, those of ordinary skill in the field it is understood that
Still the detailed description of the invention of this case can be modified or portion of techniques feature is carried out equivalent；And not
Departing from the spirit of this case technical scheme, it all should be contained in the middle of the technical scheme scope that this case is claimed.
Claims (10)
1. a slideway cam-type automotive steering structure, with automobile axis as center line, during first, second wheel is distributed in
Line both sides, it is characterised in that steering mechanism includes the first steering arm (1), the second steering arm (21), turns to horizontal drawing
Bar (2), the first steering link (3), the second steering link (23), steering control device (4), protuberance (11) and cunning
Road cam (5), specifically:
One end of first, second steering arm connects first, second wheel respectively, first, second steering arm
The most corresponding one end being rotationally connected first, second steering link of the other end；
Between first, second steering link by track rod realize connect, the first steering link with turn to
For being rotationally connected between drag link, for being rotationally connected between the second steering link and track rod, this is second years old
Steering link is connected protuberance with the place of being rotationally connected of track rod, the other end of protuberance and slideway cam
Slideway matched in clearance, the other end of protuberance along slideway cam slideway slide；
First steering link has steering control device with the junction reconnection of track rod, and course changing control fills
Putting connection and turn to machine, transmit Vehicular turn action, steering control device drives the first steering link, turns to horizontal stroke
Pull bar produces displacement；
Slideway cam is fixed on axletree or vehicle frame or car body.
A kind of slideway cam-type automotive steering structure the most according to claim 1, it is characterised in that described turns
Being steering control level to controlling device, steering control level is fixed on above axletree by hinge, steering control level
It is connected with turning to machine；Described protuberance is bearing pin, is bearing pin between the second steering link and track rod
Connecting, bearing pin one end and the slideway matched in clearance of slideway cam, bearing pin slides along the slideway of slideway cam.
A kind of slideway cam-type automotive steering structure the most according to claim 1, it is characterised in that described the
One, the second steering arm is the most corresponding is that bulb is connected with first, second steering link.
A kind of slideway cam-type automotive steering structure the most according to claim 2, it is characterised in that described the
It is connected for bearing pin between one steering link and track rod, described steering control level and the first steering link,
Track rod uses bulb to connect.
5. according to the arbitrary described a kind of slideway cam-type automotive steering structure of Claims 1-4, it is characterised in that
The slideway shape of described slideway cam uses experimental technique to obtain, and this slideway shape meets relation: cot α
1=cot β 1+B/L1, wherein α 1 be turn side outboard wheels rotate angle, β 1 is the interior of turn side
The angle that side wheel rotates, B is spacing between interior outboard wheels, and L1 is inboard wheel vertical line and outside car
The fore-and-aft distance of intersection point distance two wheel center of wheel vertical line, fore-and-aft distance direction is vertical two wheel centers
The direction of line.
6. double front axle automobiles, including an axle, two axles, the first wheel, the second wheel, the 3rd wheel, the 4th car
Wheel a, it is characterised in that axle, two axles all use the arbitrary described a kind of slideway of the claims 1 to 5
Cam-type automotive steering structure, the sliding cam defining two axles is two axle sliding cams (10), wherein, an axle with
Being provided with connection-rod linkage mechanism between two axles, the setting of link gear includes: the steering control device of an axle connects
Longitudinal driving lever, the steering control device (9) of two axles connects longitudinally by lever, and longitudinal driving lever is with the most passive
Bar connects and junction connects longitudinal bearing pin, and this longitudinal direction bearing pin and the slideway on end slipway cam are that gap is joined
Closing, the wheel anglec of rotation relation of an axle and two axles is limited longitudinal bearing pin (211) by end slipway cam (8)
Moving line realizes, and end slipway cam is fixed on axletree or vehicle frame or car body.
The double front axle automobile of one the most according to claim 6, it is characterised in that described steering control device is
Steering control level, steering control level and longitudinal driving lever, longitudinal driving lever with longitudinally by lever, the most passive
Bar and two axle steers control bar are all connected by bulb, wherein connect longitudinal driving lever and longitudinally indulging by lever
Coordinate with the slideway of end slipway cam with bulb, this bulb to bearing pin.
8. according to a kind of double front axle automobiles described in claim 6 or 7, it is characterised in that a described axle, two axles
The slideway shape of slideway cam and end slipway cam uses experimental technique to obtain, the slideway cam of an axle
Slideway shape meets relation: cot α 1=cot β 1+B/L1, and the slideway shape of two axle slideway cams meets relation:
Cot α 2=cot β 2+B/L2, described end slipway cam 8 horizontal positioned or vertically place, end slipway is convex
The slideway shape of wheel meets L1 × cot α 1=L2 × cot α 2, and wherein α 1 is an axle outboard wheels of turn side
The angle rotated, β 1 is the angle of an axle inboard wheel rotation of turn side；α 2 is the outside car of turn side
The angle that wheel rotates；β 2 is the angle of the inboard wheel rotation of turn side；B is spacing between interior outboard wheels；
L1 is the fore-and-aft distance of inboard wheel vertical line and intersection point distance two wheel center of outboard wheels vertical line, vertical
To the direction that range direction is vertical two wheel center lines；L2 is two axle inboard wheel vertical lines and outside car
The fore-and-aft distance of intersection point distance two axle two wheel center of wheel vertical line, fore-and-aft distance direction is vertical two wheels
The direction of the line of centres.
9. the ramp design method of a slideway cam-type automotive steering structure, it is characterised in that left and right sides wheel it
Between use linkage to realize the realization that is connected to turn to unanimously, linkage is provided with protuberance and the cunning fixed
Slideway on moving cam carries out matched in clearance, and concrete steps include:
The first step, the size of each connecting rod in initial setting linkage, according to angular relationship formula: cot α 1=cot
β 1+B/L1 determines the interior outboard wheels relative position in a certain angle, and α 1 is car outside an axle of turn side
The angle that wheel rotates, β 1 is the angle of an axle inboard wheel rotation of turn side；α 2 is the outside of turn side
The angle that wheel rotates；β 2 is the angle of the inboard wheel rotation of turn side；B is between interior outboard wheels
Spacing；L1 be inboard wheel vertical line with intersection point distance two wheel center of outboard wheels vertical line longitudinally away from
From, fore-and-aft distance direction is the direction of vertical two wheel center lines, and the protuberance of described linkage exists
Position on sliding cam also determines that；
Second step, increases a certain spacing value of the anglec of rotation of wheel, and new wheel determines relative to position, connecting rod
The protuberance of mechanism new position on sliding cam also determines that；
3rd step, circulates the first step, second step, obtains a series of positions corresponding with wheel diverse location
Point, links up these points, has just obtained the pattern curve of slideway cam.
The ramp design method of a kind of slideway cam-type automotive steering structure the most according to claim 8, its feature
Be, for double front axle vehicles, an axle, two axles homonymy wheel between use connection-rod linkage mechanism carry out with
Step, described connection-rod linkage mechanism is provided with protuberance, and this protuberance is gap with the slideway of end slipway cam
Coordinating, concrete steps include:
The first step, the initial size setting connection-rod linkage mechanism, according to the slideway shape need of end slipway cam
The angular relationship formula met determines the interior outboard wheels relative position in a certain angle, this end slipway cam
Slideway shape meets relation: L1 × cot α 1=L2 × cot α 2, wherein α 1 is car outside an axle of turn side
The angle that wheel rotates, α 2 is the angle of the outboard wheels rotation of turn side；B be between interior outboard wheels between
Away from；L1 be inboard wheel vertical line with intersection point distance two wheel center of outboard wheels vertical line longitudinally away from
From, fore-and-aft distance direction is the direction of vertical two wheel center lines；L2 be two axle inboard wheel vertical lines with
The fore-and-aft distance of intersection point distance two axle two wheel center of outboard wheels vertical line, fore-and-aft distance direction is vertical
The direction of two wheel center lines；The protuberance of connection-rod linkage mechanism position on end slipway cam is the most just
Determine；
Second step, increases a certain spacing value of the anglec of rotation of wheel, and new wheel determines relative to position, connecting rod
The protuberance of link gear new position on end slipway cam also determines that；
3rd step, circulates the first step, second step, obtains a series of positions corresponding with wheel diverse location
Point, links up these points, has just obtained the pattern curve of end slipway cam.
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| CN201510332810.1A CN106314533B (en) | 2015-06-16 | 2015-06-16 | Slideway cam-type automotive steering structure and its design method, double front axle automobiles |
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| CN201510332810.1A CN106314533B (en) | 2015-06-16 | 2015-06-16 | Slideway cam-type automotive steering structure and its design method, double front axle automobiles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758556A (en) * | 2019-11-26 | 2020-02-07 | 宜昌天工智能机械股份有限公司 | Wheel type agricultural machinery front and rear wheel same-track control mechanism |
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| CN203612088U (en) * | 2013-12-12 | 2014-05-28 | 天津市中环通讯技术有限公司 | Logistic carriage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110758556A (en) * | 2019-11-26 | 2020-02-07 | 宜昌天工智能机械股份有限公司 | Wheel type agricultural machinery front and rear wheel same-track control mechanism |
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| CN106314533B (en) | 2018-09-21 |
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