CN103471858B - A kind of automobile wheel camber lateral force analogue means and using method - Google Patents
A kind of automobile wheel camber lateral force analogue means and using method Download PDFInfo
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- CN103471858B CN103471858B CN201310402776.1A CN201310402776A CN103471858B CN 103471858 B CN103471858 B CN 103471858B CN 201310402776 A CN201310402776 A CN 201310402776A CN 103471858 B CN103471858 B CN 103471858B
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- platform
- wheel
- locating piece
- square
- simulating wheel
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Abstract
The invention provides a kind of automobile wheel camber lateral force analogue means, it is characterized in that: comprise platform, T-square, locating piece and simulating wheel, connect locating piece and the parallelogram bridge of simulating wheel and four blocks for stationary positioned block, in the middle of locating piece and simulating wheel on the porose and front axle being contained in parallelogram bridge respectively and hind axle, simulating wheel freely can rotate around hind axle, and there is back-up ring to limit the axially-movable of simulating wheel relative to hind axle, platform has the vertical line of fore-and-aft direction.Before motion, locating piece is fixed on T-square, simulating wheel is placed on platform, the straight flange of T-square against platform, simulating wheel is driven to travel forward by block, locating piece and parallelogram bridge, simulating wheel is when forward travel, and sideway movement situation, by obviously showing with vertical line contrast, illustrates later force of camber situation.It is simple that the present invention has structure, easy to use, the advantage of successful.
Description
Technical field
The invention provides a kind of automobile wheel camber lateral force analogue means and using method, particularly relate to the experimental technique field about doughnut favorable camber characteristics in the course experiment teaching technology such as automobile engineering speciality automobile theory, automobile construction and scientific and technical research.
Background technology
Automotive wheel, especially deflecting roller, the general positional parameter existed in various degree, camber angle is wherein one of parameter.In current institution of higher education automobile engineering speciality teaching process, automotive wheel camber angle is the required content of the Professional Course such as automobile theory, automobile construction.Wheel produces later force of camber after having camber angle be the phenomenon be proved, but but there is different explanations about the generation of later force of camber.Edited by Tsing-Hua University Yu Zhisheng, so explain in " automobile theory " the 5th edition book (hereinafter referred to as quoted passage 1) that China Machine Press publishes for 2009: see Fig. 1, when automobile straight-line travelling, wheel 1 has camber angle
, have around the intersection point of its rotation 2 with ground 3
the trend of rolling, if unfettered, will depart from dead ahead and to outer rolling; In fact, because the constraint wheel of front axle is merely able to move forward.Therefore, wheel center must act on a side force
, wheel is returned to rolls forward direction.Meanwhile, in wheel ground plane produce one with
direction opposite effect power, Here it is later force of camber
.This viewpoint thinks that camber is the adequate condition producing later force of camber, and the data of the majority consulted all holds this viewpoint.Translated by the positive people's work in (day) peace portion, Chen Xinbo, in " motion of automobile and manipulation " book that China Machine Press publishes for 1998, describe the viewpoint of Fiala, think that later force of camber produces the distortion of side direction with surface constraints cause because the wheel of flare motion is compressed, camber is the necessary condition producing later force of camber, is not adequate condition.The value size at toeing-in angle in Automobile Design process also can be had influence on to the understanding of later force of camber mechanism of production.In field research process, also someone proposes the query to quoted passage 1 viewpoint.Theoretical analysis is one of method of this problem of research, but about the general all more complicated of model of tire, is unfavorable for that student accepts fast; And in order to carry out theoretical analysis, all have condition that some simplify, that suppose, these conditions can have influence on the result of theoretical analysis; Experiment is the important method of this problem of research, but adopt actual vehicle to test, because current automobile is all adopt flexible tire, therefore the elastic deformation of camber angle and wheel is simultaneous, cannot distinguish the impact of both the two, so design a kind of device in kind, to carry out simulated experiment be a kind of effective method.
Summary of the invention
The object of this invention is to provide a kind of simple and easy easy-to-use, can check in quoted passage 1 about the automobile wheel camber lateral force analogue means of camber and later force of camber relation and using method.Its technical scheme is:
A kind of automobile wheel camber lateral force analogue means, it is characterized in that: comprise platform, T-square, locating piece and simulating wheel, connect locating piece and the parallelogram bridge of simulating wheel and four blocks for stationary positioned block, in the middle of locating piece and simulating wheel on the porose and front axle being contained in parallelogram bridge respectively and hind axle, simulating wheel freely can rotate around hind axle; In the simulating wheel both sides of hind axle, a back-up ring is respectively housed, is used for limiting the axially-movable of simulating wheel relative to hind axle.
Described automobile wheel camber lateral force analogue means, parallelogram bridge is hinged by four pins by front axle, hind axle and two connecting rods, and the angle between connecting rod and front axle can freely change.
Described automobile wheel camber lateral force analogue means, the rarest straight flange of platform, platform is decorated with the vertical line parallel with straight flange.
Described automobile wheel camber lateral force analogue means, the plate inner edge of the riser of T-square is straight, and the transverse slat of T-square is decorated with the horizontal line vertical with plate inner edge.
Described automobile wheel camber lateral force analogue means, simulating wheel adopts ferrous materials to make.
Described automobile wheel camber lateral force analogue means, the shape of simulating wheel is the frustum of a cone; The shape of locating piece is on the basis of simulating wheel shape, thickness that circular conical surface is pruned
h, form plane, thickness
hthe thickness of=transverse slat.
A using method for automobile wheel camber lateral force analogue means, the steps include:
1) plateau levels is placed, and the plate inner edge of T-square is placed on platform against the straight flange of platform;
2) locating piece is placed on transverse slat, plane contacts with transverse slat, and simulating wheel is placed on platform, and the axis of front axle and horizontal line are in same plane, and the axis of connecting rod and vertical line, in same plane, make parallelogram levers put up as rectangle bridge; Then keep off in position, four, the front, rear, left and right that locating piece contacts with transverse slat with four blocks, locating piece position on T-square is fixed;
3) keep the straight flange of platform and the plate inner edge of T-square to be close together, move with hand propelled T-square on platform, T-square drives the simulating wheel on platform to move forward by block, locating piece, parallelogram bridge; The acting force that simulating wheel on platform is subject to connecting rod is the axis direction along connecting rod, if be also subject to the effect of later force of camber, parallelogram bridge can be made to deform when advancing, this distortion just can be shown by the contrast of connecting rod and vertical line.
Its principle of work is: if think that camber is the adequate condition producing later force of camber, then also later force of camber can be produced during rigid wheel flare, the flare effect of rigid wheel is the same with the motion principle of the frustum of a cone, adopt the simulating wheel that iron and steel is made, very little by load, relative to the automotive wheel with elastic tyre, be out of shape negligible, can be similar to and think rigid body, also should produce later force of camber during its forward travel, therefore should have the trend of sideway movement or sideway movement; The later force of camber that simulating wheel is subject to is delivered to hind axle by back-up ring, hinged parallelogram bridge incline outside side force effect under just there is lateral deformation, this distortion, by contrasting with the vertical line of fore-and-aft direction, just can show intuitively.Adopting T-square and parallelogram bridge as the device driving simulating wheel, is exactly mainly realize above-mentioned two objects: one is to provide the power that simulating wheel advances, and two is that not retrain the side direction (left and right directions) of simulating wheel mobile.In order to make simulating wheel direction of motion not by the impact of gravity, horizontal positioned wanted by platform.Because locating piece is placed on T-square, the material of word chi plate thickness so the part that locating piece contacts with T-square will be pruned, can ensure that two wheel shafts of parallelogram bridge are parallel to each other like this.When promoting T-square advance, T-square is that the stiction by contacting with locating piece carrys out transmitting force, adopts four blocks to carry out further spacing to locating piece, ensures that in motion process, locating piece is relative to T-square invariant position.The horizontal line mainly auxiliary positioning block initial position fix of transverse slat.
It is simple that the present invention has structure, easy to use, the advantage of successful.
Accompanying drawing explanation
Fig. 1 is the graph of a relation about camber angle and later force of camber in quoted passage 1;
Fig. 2 is the general structure schematic diagram of analogue means;
Fig. 3 is the axial view of locating piece;
Fig. 4 is the left side view of corresponding diagram 3.
In figure: 1, wheel 2, rotation 3, ground 4, block 5, locating piece 6, front axle 7, pin 8, horizontal line 9, connecting rod 10, simulating wheel 11, straight flange 12, plate inner edge 13, transverse slat 14, riser 15, T-square 16, vertical line 17, platform 18, circular conical surface 19, plane 20, hind axle 21, back-up ring.
Embodiment
In the embodiment shown in Figure 2: comprise platform 17, T-square 15, chart board when platform 17 and T-square 15 can adopt manual machinery to chart and T-square, locating piece 5 and simulating wheel 10, connect locating piece 5 and the parallelogram bridge of simulating wheel 10 and four blocks 4 for stationary positioned block 5, in the middle of locating piece 5 and simulating wheel 10 on the porose and front axle 6 being contained in parallelogram bridge respectively and hind axle 20, simulating wheel 10 freely can rotate around hind axle 20; In simulating wheel 10 both sides of hind axle 20, a back-up ring 21 is respectively housed, is used for limiting the axially-movable of simulating wheel 10 relative to hind axle 20.Parallelogram bridge is hinged by four pins 7 by front axle 6, hind axle 20 and two connecting rods 9, and the angle between connecting rod 9 and front axle 6 can freely change.The rarest straight flange 11 of platform 17, platform 17 is decorated with the vertical line 16 parallel with straight flange 11.The plate inner edge 12 of the riser 14 of T-square 15 is straight, and the transverse slat 13 of T-square 15 is decorated with the horizontal line 8 vertical with plate inner edge 12.Simulating wheel 10 adopts ferrous materials to make.The shape of simulating wheel 10 is frustums of a cone; The shape of locating piece 5 is on the basis of simulating wheel 10 shape, thickness that circular conical surface 18 is pruned
h, form plane 19, thickness
hthe thickness of=transverse slat 13.
Using method step is:
1) platform 17 horizontal positioned, is placed on the plate inner edge 12 of T-square 15 on platform 17 against the straight flange 11 of platform 17;
2) locating piece 5 is placed on transverse slat 13, plane 19 contacts with transverse slat 13, and simulating wheel 10 is placed on platform 17, and the axis of front axle 6 and horizontal line 8 are in same plane, the axis of connecting rod 9 and vertical line 16, in same plane, make parallelogram levers put up as rectangle bridge; Then keep off the position, four, front, rear, left and right contacted with transverse slat 13 at locating piece 5 with four blocks 4, locating piece 5 is fixed position on T-square 15;
3) keep the straight flange 11 of platform 17 and the plate inner edge 12 of T-square 15 to be close together, move with hand propelled T-square 15 on platform 17, T-square 15 drives the simulating wheel 10 on platform 17 to move forward by block 4, locating piece 5, parallelogram bridge; The acting force that simulating wheel 10 on platform is subject to connecting rod 9 is the axis direction along connecting rod 9, if be also subject to the effect of later force of camber, parallelogram bridge can be made to deform when advancing, this distortion just can be shown by the contrast of connecting rod 9 and vertical line 16.
In the embodiment shown in Fig. 3 and Fig. 4: two views illustrate the shape of locating piece 5, double dot dash line represents the profile before circular conical surface 18 cutting, is equivalent to the profile of simulating wheel 10, also represents that the cone apex angle of simulating wheel 10 is 10 ° simultaneously; Thickness
hrepresent the position and direction of cutting.
Claims (6)
1. an automobile wheel camber lateral force analogue means, it is characterized in that: comprise platform (17), T-square (15), locating piece (5) and simulating wheel (10), connect locating piece (5) and the parallelogram bridge of simulating wheel (10) and four blocks (4) for stationary positioned block (5), in the middle of locating piece (5) and simulating wheel (10) on the porose and front axle (6) being contained in parallelogram bridge respectively and hind axle (20), simulating wheel (10) freely can rotate around hind axle (20), simulating wheel (10) is the truncated cone shape adopting ferrous materials to make, in simulating wheel (10) both sides of hind axle (20), a back-up ring (21) is respectively housed, is used for limiting the axially-movable of simulating wheel (10) relative to hind axle (20).
2. automobile wheel camber lateral force analogue means as claimed in claim 1, parallelogram bridge is hinged by four pins (7) by front axle (6), hind axle (20) and two connecting rods (9), and the angle between connecting rod (9) and front axle (6) can freely change.
3. automobile wheel camber lateral force analogue means as claimed in claim 1, the rarest straight flange (11) of platform (17), platform (17) is decorated with the vertical line (16) parallel with straight flange (11).
4. automobile wheel camber lateral force analogue means as claimed in claim 1, the plate inner edge (12) of the riser (14) of T-square (15) is straight, and the transverse slat (13) of T-square (15) is decorated with the horizontal line (8) vertical with plate inner edge (12).
5. automobile wheel camber lateral force analogue means as claimed in claim 1, the shape of locating piece (5) is on the basis of simulating wheel (10) shape, circular conical surface (18) to be pruned thickness h, form plane (19), the thickness of thickness h=transverse slat (13).
6. a using method for automobile wheel camber lateral force analogue means according to claim 1, the steps include:
1) platform (17) horizontal positioned, is placed on the plate inner edge (12) of T-square (15) on platform (17) against the straight flange (11) of platform (17);
2) locating piece (5) is placed on transverse slat (13), plane (19) contacts with transverse slat (13), simulating wheel (10) is placed on platform (17), the axis of front axle (6) and horizontal line (8) are in same plane, the axis of connecting rod (9) and vertical line (16), in same plane, make parallelogram levers put up as rectangle bridge; Then use four block (4) gears in the position, four, front, rear, left and right that locating piece (5) contacts with transverse slat (13), locating piece (5) is fixed in the upper position of T-square (15);
3) straight flange (11) of platform (17) and the plate inner edge (12) of T-square (15) is kept to be close together, upper mobile at platform (17) with hand propelled T-square (15), T-square (15) drives the simulating wheel (10) on platform (17) to move forward by block (4), locating piece (5), parallelogram bridge; The acting force that simulating wheel (10) on platform is subject to connecting rod (9) is the axis direction along connecting rod (9), if be also subject to the effect of later force of camber, parallelogram bridge can be made to deform when advancing, this distortion just can be shown by the contrast of connecting rod (9) and vertical line (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402776.1A CN103471858B (en) | 2013-09-08 | 2013-09-08 | A kind of automobile wheel camber lateral force analogue means and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310402776.1A CN103471858B (en) | 2013-09-08 | 2013-09-08 | A kind of automobile wheel camber lateral force analogue means and using method |
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| Publication Number | Publication Date |
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| CN103471858A CN103471858A (en) | 2013-12-25 |
| CN103471858B true CN103471858B (en) | 2015-10-14 |
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| CN201310402776.1A Expired - Fee Related CN103471858B (en) | 2013-09-08 | 2013-09-08 | A kind of automobile wheel camber lateral force analogue means and using method |
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Citations (5)
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|---|---|---|---|---|
| US4106208A (en) * | 1976-04-09 | 1978-08-15 | Lee Hunter | Method of and apparatus for determining vehicle wheel alignment |
| CN101178305A (en) * | 2006-10-25 | 2008-05-14 | 弥荣精机株式会社 | Wheel positioning measuring device |
| CN102354463A (en) * | 2011-05-27 | 2012-02-15 | 山东理工大学 | Automotive wheel cornering property simulator and usage thereof |
| CN102589904A (en) * | 2011-12-22 | 2012-07-18 | 上海一成汽车检测设备科技有限公司 | Lateral force detector for four wheels of automobile |
| CN102607864A (en) * | 2012-02-23 | 2012-07-25 | 中国人民解放军军事交通学院 | Drum-type front-wheel sideslip adjusting platform |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006026436A1 (en) * | 2006-06-07 | 2007-12-13 | Continental Aktiengesellschaft | Method and measuring vehicle for determining objective tire properties on a road surface |
-
2013
- 2013-09-08 CN CN201310402776.1A patent/CN103471858B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4106208A (en) * | 1976-04-09 | 1978-08-15 | Lee Hunter | Method of and apparatus for determining vehicle wheel alignment |
| CN101178305A (en) * | 2006-10-25 | 2008-05-14 | 弥荣精机株式会社 | Wheel positioning measuring device |
| CN102354463A (en) * | 2011-05-27 | 2012-02-15 | 山东理工大学 | Automotive wheel cornering property simulator and usage thereof |
| CN102589904A (en) * | 2011-12-22 | 2012-07-18 | 上海一成汽车检测设备科技有限公司 | Lateral force detector for four wheels of automobile |
| CN102607864A (en) * | 2012-02-23 | 2012-07-25 | 中国人民解放军军事交通学院 | Drum-type front-wheel sideslip adjusting platform |
Non-Patent Citations (1)
| Title |
|---|
| 王巍 等."汽车转向轮前束值与侧滑量、侧向力的研究".《公路交通科技(应用技术版)》.2007,(第04期),第172-176页. * |
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