CN102887170A - Steering joint, steering front axle assembly and vehicle - Google Patents
Steering joint, steering front axle assembly and vehicle Download PDFInfo
- Publication number
- CN102887170A CN102887170A CN2012103615390A CN201210361539A CN102887170A CN 102887170 A CN102887170 A CN 102887170A CN 2012103615390 A CN2012103615390 A CN 2012103615390A CN 201210361539 A CN201210361539 A CN 201210361539A CN 102887170 A CN102887170 A CN 102887170A
- Authority
- CN
- China
- Prior art keywords
- steering
- axis
- steering swivel
- axle
- wheel
- 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.)
- Granted
Links
Images
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention provides a steering joint, a steering front axle assembly and a vehicle. The steering joint comprises an axle journal (22) and a pin hole (21) which is matched with a main pin (3) and then is connected with a front axle (1); when the steering joint is positioned at the position where the steering joint is assembled with the front axle (1), a horizontal plane where the axis (L1) of the axle journal (22) is positioned is a central horizontal plane (P); when the steering joint is positioned on the place where a wheel on the steering joint faces right ahead, offset distance (T) is reserved between a straight line (L2) which passes through the intersection point (X) of the central horizontal plane (P) and the axis (L3) of the pin hole (21) and is parallel to the axis (L1) of the axle journal (22) and the axis (L1) of the axle journal; and moreover, the straight line (L2) is positioned on the front side of the axis (L1) of the axle journal (22).
Description
Technical field
The present invention relates to vehicular field, more specifically, relate to a kind of steering swivel, steering front shaft assembly and vehicle.
Background technology
As shown in Figure 1, prior art transfer front axle 1 in the front axle assembly is hinged by stub 3 with steering swivel 2 ', wheel hub brake drum assembly 4, brake assembly 5, steering trapezoidal arm 6, steering drag link arm 8 are connected on the steering swivel 2 ', the steering trapezoidal arm 6 of the left and right sides connects by tie rod assembly 7, rotate around front axle 1 together by stub 3, thereby make vehicle realize turning to.In the prior art, the centre line L 2 ' of front axle and the axis L1 ' of steering swivel 2 ' overlap.
The aligning torque of the steering front shaft assembly of above prior art is less than normal, and vehicle is expert at and is crossed Cheng Qian wheel easily " unstable ", affects traffic safety.
Summary of the invention
The object of the invention is to provide a kind of steering swivel, steering front shaft assembly and vehicle, to increase the self-aligning ability of vehicle front-wheel.
The invention provides a kind of steering swivel, comprise axle journal and be connected and the pin-and-hole of stub cooperation to be connected with front axle, when steering swivel is in the position of assembling with front axle, horizontal surface centered by the horizontal surface at the axis place of axle journal, steering swivel is in and makes the wheel that is mounted thereon when the dead ahead, the intersection point of the axis by central horizontal face and pin-and-hole and be parallel to the straight line of axis of axle journal and the axis of axle journal between have departure distance, and straight line is positioned at the axis front side of axle journal.
Further, departure distance T is 1mm～10mm.
The present invention also provides a kind of steering front shaft assembly, comprises front axle, steering swivel and is connected front axle and the stub of steering swivel, and steering swivel is aforesaid steering swivel.
The present invention also provides a kind of steering front shaft assembly, the stub that comprises front axle, steering swivel and connection front axle and steering swivel, steering swivel comprises axle journal and is connected and the pin-and-hole of stub cooperation to be connected with front axle, when front axle and steering swivel are in rigging position, horizontal surface centered by the horizontal surface at the axis place of steering swivel, steering swivel is in and makes the wheel that is mounted thereon when the dead ahead, have departure distance T between the straight line of the axis of the axis by stub and the intersection point of central horizontal face and parallel steer joint and the axis of steering swivel, and straight line is positioned at the front side of the axis of axle journal.
Further, departure distance T is 1mm～10mm.
Further, by being set, excentric sleeve forms departure distance T between the pin-and-hole of steering swivel and stub.
The present invention also provides a kind of vehicle, comprises steering front shaft assembly and the wheel that is connected on the steering front shaft assembly, the axis of axle journal and the central lines of wheel, and wherein, the steering front shaft assembly is aforesaid steering front shaft assembly.
According to steering swivel of the present invention, steering front shaft assembly and vehicle, because the axis of steering swivel axle journal does not overlap with the line of centers of front axle, and the line of centers of front axle is offset forward a departure distance T with respect to the axis of the axle journal of steering swivel, can increase the self-aligning ability of front-wheel, alleviate under steam front-wheel " unstable " phenomenon of vehicle.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the steering front shaft assembly of prior art;
Fig. 2 is the steering front shaft assembly structure scheme drawing according to the embodiment of the invention;
Fig. 3 is the A place local structure scheme drawing of Fig. 2;
Fig. 4 is the slewing journal structure scheme drawing of according to an embodiment of the invention steering front shaft assembly;
Fig. 5 is the plan structure scheme drawing of Fig. 4;
Fig. 6 is the side-looking structural representation of Fig. 4;
Fig. 7 is that the wheel of the steering front shaft assembly of prior art returns positive principle schematic;
Fig. 8 is that the wheel according to steering front shaft assembly of the present invention returns positive principle schematic.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
The steering front shaft assembly was towards the direction of headstock when mentioned " front " referred to that the steering front shaft assembly is installed on the vehicle among the present invention, " afterwards " then refers to the direction of steering front shaft assembly facing tailstock, therewith accordingly, " on ", formed direction when observing back to the rear when D score, " left side ", " right side " refer to all that the steering front shaft assembly is installed on the vehicle and to the place ahead.For example, in the respective figure 2, " front " namely refers to the top among Fig. 2, and " afterwards " refer to the below among Fig. 2, corresponding about among " left side ", " right side " and Fig. 2, " on " refer to stretch out among Fig. 2 the direction of paper, D score refers to enter among Fig. 2 the direction of paper.
The steering front shaft assembly that the present invention relates to links to each other with vehicle frame by suspension, and wheel is equipped with at two ends, and its effect is the effect force and moment that transmits vehicle frame and wheel among direction, makes wheel deflection certain angle to realize Vehicular turn by steering swivel simultaneously.
As shown in Figures 2 and 3, the steering front shaft assembly of present embodiment comprises front axle 1 and steering swivel 2, stub 3 that front axle 1 and steering swivel 2 is hinged, wheel hub brake drum assembly 4, brake assembly 5, steering trapezoidal arm 6 and steering drag link arm 8.Steering drag link arm 8 is connected on the steering swivel 2, and the steering trapezoidal arm 6 of the left and right sides connects by tie rod assembly 7, rotates around front axle 1 together by stub 3, thereby makes vehicle realize turning to.When described steering front shaft assembly is in the installation site, observe from the top down, the line of centers of front axle 1 does not overlap with the axis L1 of the axle journal 22 of steering swivel 2.The line of centers of front axle 1 is offset certain departure distance T forward with respect to the axis L1 of the axle journal 22 of steering swivel 2.Wherein, such as Fig. 4, shown in Figure 8, the line of centers of front axle 1 is: when wheel during towards the dead ahead, pin-and-hole 21 by steering swivel 2 and the intersection point X of the central horizontal face P at the axis L1 place of axle journal 22 also are parallel to the straight line L2 of the axis L1 of axle journal 22, and this straight line L2 also is the line of the corresponding intersection point X of the steering front shaft assembly left and right sides.The pin-and-hole 21 of steering swivel 2 is used for cooperating to be connected with front axle 1 with stub 3.
Preferably, departure distance T is 1mm～10mm.Make departure distance T be in above scope, can increase the wheel aligning torque on the one hand, can prevent again that on the other hand the moment of turn inside diameter is excessive.
Because the axis L1 of the axle journal 22 of steering swivel 2 does not overlap with the centre line L 2 of front axle 1, increase the self-aligning ability of front-wheel in the steering front shaft assembly of present embodiment, alleviated under steam front-wheel " unstable " phenomenon of vehicle.
Below in conjunction with Fig. 7 and Fig. 8 the principle that above-mentioned steering front shaft assembly increases the self-aligning ability of front-wheel is specifically described.
Fig. 7 is that the wheel of the steering front shaft assembly of prior art returns positive principle schematic.Fig. 8 is that the wheel according to steering front shaft assembly of the present invention returns positive principle schematic.Wherein, a represents kingpin caster angle; L ' and L represent respectively the contact point of the tire of wheel 10 in prior art and the present embodiment and road surface G to the vertical distance of the axis L3 of stub 3; Y represents the road surface to a side-force reaction of wheel 10 effects, and R represents the direction that wheel 10 rotates.The centre line L 2 ' of front axle 1 overlaps with the axis L1 ' of steering swivel 2 among Fig. 7, and all with the dead in line of wheel 10.The dead in line of the axis L1 of the axle journal 22 of steering swivel 2 and wheel 10 among Fig. 8, and the centre line L 2 of front axle 1 and axially being parallel to each other of wheel 10, and the axis of relative wheel 10 is offset certain distance left.In Fig. 8, L1 and L2 are the straight line perpendicular to paper, and wherein intersection point X overlaps with straight line L2 in Fig. 8.In Fig. 7 and 8, " front " namely refers to the left in Fig. 7 and 8, and " afterwards " refers to right-hand in Fig. 7 and 8.
As shown in Figure 7, when the vehicle straight-line travelling, if be subject to External Force Acting accidentally and deflection is slightly arranged as the wheel 10 of wheel flutter, for example deflection to the right shown in arrow R among the figure will make vehicle heading depart to the right.Because the effect of the centnifugal force of vehicle own, at the contact point place of wheel 10 with road surface G, the road surface is to side-force reaction Y of wheel effect.Because the existence of kingpin caster angle a, the contact point of the tire of wheel 10 and road surface G is that the point of action of antagonistic force Y has vertical distance L ' to the axis L3 ' of stub, therefore, the antagonistic force Y moment M ' that 10 formation act on around the axis L3 ' of stub to wheel=Y * L ', the direction of moment M ' is just in time opposite with wheel 10 deflecting directions.Under the effect of this moment M ', will make wheel 10 be returned to the position of original centre, thereby guaranteed the straight-line travelling of vehicle stabilization.
As shown in Figure 8, adopt the steering front shaft assembly of present embodiment after, make stub axially be offset a departure distance forward, antagonistic force Y forms moment M=Y around the axis L3 of stub 3 effect * L to wheel 10.Because L〉L ', make antagonistic force Y form moment M=Y around the axis L3 of stub 3 effect * L to wheel 10 and increase with respect to prior art, thereby increased the self-aligning ability of wheel 10, and then increased the stability of Vehicle Driving Cycle.
Among the above embodiment, the skew of the axis L2 of the axle journal 22 of the line of centers of front axle 1 and steering swivel 2 can be by realizing the changing of design of steering swivel 2 in the steering front shaft assembly.Below with reference to Fig. 4 to Fig. 6 the steering swivel 2 in the present embodiment is described.
To shown in Figure 6, the steering swivel 2 of present embodiment comprises for cooperating with the pin-and-hole 21 that is connected with front axle 1 with for the axle journal 22 that cooperates with wheel hub 4 with stub 3 such as Fig. 4.Steering swivel 2 is when being in the position of assembling with front axle 1, horizontal surface P centered by the horizontal surface at the axis L1 place of axle journal 22, the intersection point X of the axis by central horizontal face P and pin-and-hole 21 and be parallel to the straight line L2 of axis L1 of axle journal 22 and the axis L1 of axle journal 22 between have departure distance T, and straight line L2 is positioned at the front side of the axis L1 of axle journal 22.
Preferably, departure distance T is 1mm～10mm.
Because the above structure of steering swivel 2 arranges so that after the front axle 1 of steering front shaft assembly and steering swivel 2 assembled by bearing pin 3, the centre line L 2 of front axle 1 was offset forward above-mentioned departure distance T automatically with respect to the axis L1 of the axle journal 22 of steering swivel 2.This setting does not increase any assembly difficulty, is easy to assembling, is easy to guarantee departure distance T yet.Adopt in the steering front shaft assembly of this steering swivel 2, therefore the axis of the pin-and-hole of axle steer joint 2 and the dead in line of the stub 3 after the assembling, all represent with L3 in the accompanying drawings.
Need to prove that although the above embodiment of the present invention is the structure with steering swivel 2, the position by pin-and-hole forms departure distance T specifically, the invention is not restricted to this.For example, in a unshowned embodiment, the axis of stub 3 after the axis of the pin-and-hole of steering swivel 2 and the assembling is not set to overlap, between the axis of pin-and-hole and the axis of axle journal departure distance can be set, and excentric sleeve is set in pin-and-hole, departure distance T can rely on the pin-and-hole and the excentric sleeve between the stub that are arranged at steering swivel to form.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect: because the axis of steering swivel axle journal does not overlap with the line of centers of front axle, can increase the self-aligning ability of front-wheel, alleviate under steam front-wheel " unstable " phenomenon of vehicle.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. steering swivel, comprise axle journal (22) and be connected and the pin-and-hole (21) of stub (3) cooperation to be connected with front axle (1), when described steering swivel is in the position of assembling with described front axle (1), horizontal surface (P) centered by the horizontal surface at axis (L1) place of described axle journal (22), it is characterized in that, described steering swivel is in and makes the wheel that is mounted thereon when the dead ahead, the intersection point (X) of the axis (L3) by described central horizontal face (P) and described pin-and-hole (21) and be parallel to the straight line (L2) of axis (L1) of described axle journal (22) and the axis (L1) of described axle journal (22) between have departure distance (T), and described straight line (L2) is positioned at axis (L1) front side of described axle journal (22).
2. steering swivel according to claim 1 is characterized in that, described departure distance T is 1mm～10mm.
3. a steering front shaft assembly comprises front axle (1), steering swivel (2) and is connected described front axle (1) and the stub (3) of described steering swivel (2), it is characterized in that described steering swivel (2) is steering swivel according to claim 1 and 2.
4. steering front shaft assembly, comprise front axle (1), steering swivel (2) and the stub (3) that is connected described front axle (1) and described steering swivel (2), described steering swivel (2) comprises axle journal (22) and is connected and the pin-and-hole (21) of described stub (3) cooperation to be connected with described front axle (1), described front axle (1) and described steering swivel (2) are when being in rigging position, horizontal surface (P) centered by the horizontal surface at axis (L1) place of described steering swivel (2), it is characterized in that, described steering swivel (2) is in and makes the wheel that is mounted thereon when the dead ahead, have departure distance T between the straight line (L2) of the axis (L3) by described stub (3) and the axis (L1) of the intersection point (X) of described central horizontal face (P) and parallel described steering swivel (2) and the axis (L1) of described steering swivel (2), and described straight line (L2) is positioned at the front side of the axis (L1) of described axle journal (22).
5. steering front shaft assembly according to claim 4 is characterized in that, described departure distance T is 1mm～10mm.
6. according to claim 4 or 5 described steering front shaft assemblies, it is characterized in that, form described departure distance T by between the pin-and-hole (21) of described steering swivel (2) and described stub (3), excentric sleeve being set.
7. vehicle, comprise steering front shaft assembly and the wheel (10) that is connected on the described steering front shaft assembly, the axis (L1) of described axle journal (22) and the central lines of wheel (10), it is characterized in that described steering front shaft assembly is each described steering front shaft assembly in 6 according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210361539.0A CN102887170B (en) | 2012-09-25 | 2012-09-25 | Steering swivel, steering front shaft assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210361539.0A CN102887170B (en) | 2012-09-25 | 2012-09-25 | Steering swivel, steering front shaft assembly and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102887170A true CN102887170A (en) | 2013-01-23 |
| CN102887170B CN102887170B (en) | 2015-08-19 |
Family
ID=47530896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210361539.0A Active CN102887170B (en) | 2012-09-25 | 2012-09-25 | Steering swivel, steering front shaft assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102887170B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572412B (en) * | 2017-09-29 | 2021-04-20 | 比亚迪股份有限公司 | Wheel edge structure for steering drive axle assembly and steering drive axle assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3273910A (en) * | 1963-11-09 | 1966-09-20 | Daimler Benz Ag | Wheel suspension |
| JPS62218210A (en) * | 1986-03-19 | 1987-09-25 | Mazda Motor Corp | Front suspension device for automobile |
| CN202080083U (en) * | 2010-02-25 | 2011-12-21 | 日产自动车株式会社 | Vehicular suspension device |
| CN202080332U (en) * | 2011-02-21 | 2011-12-21 | 安徽福马车桥有限公司 | Positioning device of vehicle front axle brake and steering knuckle |
| CN202088812U (en) * | 2011-05-31 | 2011-12-28 | 东风汽车有限公司 | Automobile front axle assembly |
-
2012
- 2012-09-25 CN CN201210361539.0A patent/CN102887170B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3273910A (en) * | 1963-11-09 | 1966-09-20 | Daimler Benz Ag | Wheel suspension |
| JPS62218210A (en) * | 1986-03-19 | 1987-09-25 | Mazda Motor Corp | Front suspension device for automobile |
| CN202080083U (en) * | 2010-02-25 | 2011-12-21 | 日产自动车株式会社 | Vehicular suspension device |
| CN202080332U (en) * | 2011-02-21 | 2011-12-21 | 安徽福马车桥有限公司 | Positioning device of vehicle front axle brake and steering knuckle |
| CN202088812U (en) * | 2011-05-31 | 2011-12-28 | 东风汽车有限公司 | Automobile front axle assembly |
Non-Patent Citations (1)
| Title |
|---|
| 余志生等: "《汽车理论》", 31 October 2000 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102887170B (en) | 2015-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105008205B (en) | The steering bogie of parallel universal type of drive | |
| CN206812741U (en) | The double yoke suspensions of electric automobile | |
| CN101378946A (en) | Wheel suspension for a motor vehicle | |
| JP2014534118A (en) | Double pivot type connecting device with traveling device for road vehicles | |
| JP5051771B2 (en) | Wheel unit, bogie, railway vehicle and railway system | |
| CN105835947B (en) | Multi-shaft synchronous steering system for automobile chassis | |
| CN104773204A (en) | Trailer and active steering device thereof | |
| CN104843058A (en) | Reverse tricycle and deflecting and steering mechanism thereof | |
| CN204623563U (en) | A kind of towed vehicle and active steering apparatus thereof | |
| CN102887170A (en) | Steering joint, steering front axle assembly and vehicle | |
| CN106184273A (en) | A kind of railway freight-car self steering bogie and self-steering method | |
| CN107054461A (en) | Front ladder intersects a few font steering mechanism and kart | |
| CN203381463U (en) | Central steering independent suspension | |
| CN204222565U (en) | New-type independent suspension front axle assy | |
| CN101875289B (en) | All terrain crane and suspension guide mechanism for steering axle and non-steering axle | |
| CN104340001A (en) | Central steering type independent suspension | |
| CN206475933U (en) | Front ladder intersects a few font steering mechanism and kart | |
| CN205131489U (en) | Reverse tricycle turns to stand before and with before turn to stand | |
| CN204150103U (en) | A kind of active steering axle | |
| CN201272397Y (en) | Multi-shaft steering engineering machinery and steering apparatus thereof | |
| CN103419837A (en) | All-wheel steering mechanism of eight-wheel vehicle | |
| CN204871129U (en) | Universal structure of wheel and children's shallow | |
| CN203902662U (en) | Wheeled heavy-duty vehicle and steering rocker device thereof | |
| CN103496306B (en) | Three-wheel swings rigid suspension mechanism | |
| CN209454845U (en) | A kind of automobile chassis and the vehicle using the chassis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |