CN106218717A - A kind of double-front axle automobile steering system - Google Patents
A kind of double-front axle automobile steering system Download PDFInfo
- Publication number
- CN106218717A CN106218717A CN201610686723.0A CN201610686723A CN106218717A CN 106218717 A CN106218717 A CN 106218717A CN 201610686723 A CN201610686723 A CN 201610686723A CN 106218717 A CN106218717 A CN 106218717A
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- CN
- China
- Prior art keywords
- bridge
- front axle
- steering
- arm
- propons
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/16—Arrangement of linkage connections
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The present invention relates to a kind of double-front axle automobile steering system, include steering gear, steering gear rocking arm, a bridge Drag link, the first front axle steering knuckle arm, two bridge Drag links, the second front axle steering knuckle arm, the first propons, the second propons, a bridge knuckle and two bridge knuckles including subcontracting.The steering of the present invention, compared with existing steering, eliminates transitional pull rod and transition rocker arm assembly, and structure is simpler, reduces system weight, saves manufacturing cost；Simultaneously because eliminating transitional pull rod and transition rocker arm assembly, decrease two revolutes and five ball pivot points, reduce the loss of steering force, turn to lighter；The free clearance of steering reduces, and turns to more accurate；The steering arrangement space of the present invention is compact, can save arrangement space；And this steering is applicable to the vehicle that the second propons can promote.
Description
Technical field
The invention belongs to automobile steering system technical field, particularly relate to a kind of double-front axle automobile steering system.
Background technology
The automobile that double-front axle turns to refers to the automobile with two steeraxles, compares single many steeraxles of propons car, institute
Can carry more load-carrying, along with the national economic development, double-front axle car of turning direction becomes the development trend of road transport vehicle.
As it is shown in figure 1, turn to the steering of vehicle for being now widely used for double-front axle, including steering gear 1, steering gear
Rocking arm 2, First Transition pull bar 3, bridge Drag link the 4, first front axle steering knuckle arm 5, First Transition rocking arm the 6, second transitional pull rod
7, the second transition rocker arm 8, two bridge Drag link 9, servo-cylinder 10, servo-cylinder support the 11, second front axle steering knuckle arm 12, plate spring lifting lug
Support 13, leaf spring the 14, first propons 15 and the second propons 16.
Prior art passes through two transition rocker arm and four steering drag links by turning that steering gear and servo-cylinder export
Being delivered to two propons to power, wherein steering gear drives steering gear rocking arm to rotate, and servo-cylinder promotes the second transition rocker arm to rotate.
There is structure complexity in the steering of prior art, heavy, manufacturing cost is high；Steering force transmission mechanism is many, turns to
Drag is big, causes the loss of steering force；Because mechanism is complicated, after the accumulation of each flexural pivot internal clearance, produce bigger freedom
Gap, cause turn to insensitive.
Summary of the invention
It is an object of the invention to provide a kind of double-front axle automobile steering system, to solve steering system structural complexity, to manufacture
Cost is high, turns to drag big and turns to insensitive problem.
The present invention is achieved by the following technical solutions:
A kind of double-front axle automobile steering system, turns to including steering gear, steering gear rocking arm, a bridge Drag link, the first propons
Joint arm, two bridge Drag links, the second front axle steering knuckle arm, the first propons, the second propons, a bridge knuckle and two bridge knuckles；
A described bridge knuckle is connected with described first propons；Described two bridge knuckles are connected with described second propons；
The upper end of described steering gear rocking arm is connected with described steering gear, and the lower end of described steering gear rocking arm is straight with a described bridge
The front end of pull bar connects；The outboard end of described first front axle steering knuckle arm is connected with a described bridge knuckle, described first propons
The medial extremity of knuckle arm front end with the rear end of a described bridge Drag link and described two bridge pull bars respectively is connected；
The outboard end of described second front axle steering knuckle arm is connected with described two bridge knuckles, described second front axle steering knuckle arm
Medial extremity be connected with the rear end of described two bridge Drag links；
Between the center line of a described bridge Drag link with the center line of described two bridge Drag links misaligned or parallel；A described bridge
The center line of Drag link and the center line of described two bridge Drag links are all not parallel with the axial centerline of vehicle.
The length of described first front axle steering knuckle arm is less than the length of described second front axle steering knuckle arm；Described first propons
The radius of gyration of knuckle arm is less than the radius of gyration of described second front axle steering knuckle arm.
Described first front axle steering knuckle arm is the first junction point with the junction point of a described bridge knuckle；A described bridge vertical pulling
Bar is the second junction point with the junction point of described first front axle steering knuckle arm；Described two bridge Drag links turn to described first propons
The junction point of joint arm is the 3rd junction point；
Distance between described first junction point and described second junction point is equal to described first junction point and the described 3rd
Distance between junction point.
The invention has the beneficial effects as follows:
The steering of the present invention, compared with existing steering, eliminates transitional pull rod and transition rocker arm assembly, knot
Structure is simpler, reduces system weight, saves manufacturing cost.
Due to the fact that and eliminate transitional pull rod and transition rocker arm assembly, decrease two revolutes and five ball pivot points,
Reduce the loss of steering force, turn to lighter.
Due to the fact that and eliminate transitional pull rod and transition rocker arm assembly, decrease two revolutes and five ball pivot points,
The free clearance of system reduces, and turns to more accurate.
The steering arrangement space of the present invention is compact, can save arrangement space；And this steering is applicable to second
The vehicle that propons can promote.
Accompanying drawing explanation
Fig. 1 is prior art double-front axle automobile steering system schematic diagram；
Fig. 2 is double-front axle automobile steering system schematic diagram of the present invention；
Fig. 3 is enlarged drawing at the A of Fig. 2.
Description of reference numerals
1 steering gear, 2 steering gear rocking arms, 3 First Transition pull bars, 4 one bridge Drag links, 5 first front axle steering knuckle arms, 6 first
Transition rocker arm, 7 second transitional pull rods, 8 second transition rocker arm, 9 two bridge Drag links, 10 servo-cylinders, 11 servo-cylinder supports, 12 second
Front axle steering knuckle arm, 13 plate spring lifting lug supports, 14 leaf springs, 15 first propons, 16 second propons, 01 steering gear, 02 turns to
Device rocking arm, 03 1 bridge Drag links, 04 first front axle steering knuckle arm, 05 2 bridge Drag links, 06 second front axle steering knuckle arm, 07 first
Propons, 08 second propons, 09 1 bridge knuckles, 010 2 bridge knuckles.
Detailed description of the invention
Describing technical scheme by the following examples in detail, below example is only exemplary, only
Can be used for explaining and illustrate technical scheme, and be not to be construed as the restriction to technical solution of the present invention.
The present invention provides a kind of double-front axle automobile steering system, as shown in Figures 2 and 3, shakes including steering gear 01, steering gear
Arm 02, one bridge Drag link the 03, first front axle steering knuckle arm 04, two bridge Drag link the 05, second front axle steering knuckle arm the 06, first propons
07, the second propons 08, bridge knuckle 09 and two bridge knuckles 010.
In this application, according to the layout of vehicle, the first propons is positioned at the front of the second propons, at this with headstock direction is
Front, with tailstock direction as rear, as outside at nearly wheel, with nearly axle for vehicle direction to the midline as inner side.
One bridge knuckle and the first propons connect；Two bridge knuckles and the second propons connect；A wherein bridge knuckle and
The connected mode of one propons and structure；Two bridge knuckles and the connected mode of the second propons and structure all with the connection of prior art
Mode and structure are identical, are not described in detail at this.
The upper end of steering gear rocking arm is connected with steering gear, and the steering force of steering gear passes to steering gear rocking arm, makes steering gear
Rocking arm produces and swings, and the lower end of steering gear rocking arm is connected with the front end of a bridge Drag link, when steering gear rocking arm produces and swings, and band
A dynamic bridge Drag link is forward or rearward movement；The outboard end of the first front axle steering knuckle arm and a bridge knuckle connect, before first
The medial extremity of bridge knuckle arm is connected with the rear end of a bridge Drag link and the front end of two bridge Drag links respectively；By the skill of the application
Art scheme, the first front axle steering knuckle arm can drive a bridge knuckle to turn to, again can be by the motion of the first front axle steering knuckle arm
It is delivered on two bridge Drag links with steering force, act as transition and linkage effect.
The outboard end of the second front axle steering knuckle arm and two bridge knuckles connect, the medial extremity and two of the second front axle steering knuckle arm
The rear end of bridge Drag link connects.
Between the center line of one bridge Drag link with the center line of two bridge Drag links misaligned or parallel；The center line of one bridge Drag link
And two the center line of bridge Drag link all not parallel with the axial centerline of vehicle.Specifically, the center line of a bridge Drag link and two bridge vertical pullings
The angle less than 180 degree more than 150 degree is there is between the center line of bar；And the center line of a bridge Drag link and the axial centerline of vehicle
Between have the angle being not equal to 180 degree；Equally, have between center line and the axial centerline of vehicle of a bridge Drag link and be not equal to 180
The angle of degree.
The length of the first front axle steering knuckle arm is less than the length of the second front axle steering knuckle arm；Returning of first front axle steering knuckle arm
Turn the radius radius of gyration less than the second front axle steering knuckle arm.
The junction point of the first front axle steering knuckle arm and a bridge knuckle is the first junction point；One bridge Drag link and the first propons
The junction point of knuckle arm is the second junction point；The junction point of two bridge Drag links and the first front axle steering knuckle arm is the 3rd connection
Point.
Distance between first junction point and the second junction point is equal to the distance between the first junction point and the 3rd junction point.
Adjust the transmission of steering force by the change of the above-mentioned arm of force, thus obtain and more suitably turn to rotation ratio, to protect
That demonstrate,proves that the second propons turns to is accurate.
Present invention eliminates servo-cylinder, the steering force of disappearance is by strengthening the cylinder diameter of steering gear or increasing its internal pressure
Measure makes up.
The steering of the present invention can farthest simplify divertical motion mechanism, to obtain preferable steer ability
Can, reduce weight and cost simultaneously.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And deformation, the scope of the present invention is extremely equal to by claims and limits.
Claims (3)
1. a double-front axle automobile steering system, it is characterised in that: include steering gear, steering gear rocking arm, a bridge Drag link, first
Front axle steering knuckle arm, two bridge Drag links, the second front axle steering knuckle arm, the first propons, the second propons, a bridge knuckle and two bridges turn
Xiang Jie；
A described bridge knuckle is connected with described first propons；Described two bridge knuckles are connected with described second propons；
The upper end of described steering gear rocking arm is connected with described steering gear, the lower end of described steering gear rocking arm and a described bridge Drag link
Front end connect；The outboard end of described first front axle steering knuckle arm is connected with a described bridge knuckle, and described first propons turns to
The medial extremity front end with the rear end of a described bridge Drag link and described two bridge pull bars respectively of joint arm is connected；
The outboard end of described second front axle steering knuckle arm is connected with described two bridge knuckles, described second front axle steering knuckle arm interior
Side is connected with the rear end of described two bridge Drag links；
Between the center line of a described bridge Drag link with the center line of described two bridge Drag links misaligned or parallel；A described bridge vertical pulling
The center line of bar and the center line of described two bridge Drag links are all not parallel with the axial centerline of vehicle.
Double-front axle automobile steering system the most according to claim 1, it is characterised in that: described first front axle steering knuckle arm
Length is less than the length of described second front axle steering knuckle arm；The radius of gyration of described first front axle steering knuckle arm is less than described second
The radius of gyration of front axle steering knuckle arm.
Double-front axle automobile steering system the most according to claim 1 and 2, it is characterised in that: described first front axle steering knuckle
Arm is the first junction point with the junction point of a described bridge knuckle；A described bridge Drag link and described first front axle steering knuckle arm
Junction point is the second junction point；Described two bridge Drag links are the 3rd junction point with the junction point of described first front axle steering knuckle arm；
Distance between described first junction point with described second junction point is connected with the described 3rd equal to described first junction point
Distance between point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686723.0A CN106218717B (en) | 2016-08-18 | 2016-08-18 | A kind of double-front axle automobile steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686723.0A CN106218717B (en) | 2016-08-18 | 2016-08-18 | A kind of double-front axle automobile steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106218717A true CN106218717A (en) | 2016-12-14 |
| CN106218717B CN106218717B (en) | 2018-05-04 |
Family
ID=57554220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610686723.0A Active CN106218717B (en) | 2016-08-18 | 2016-08-18 | A kind of double-front axle automobile steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106218717B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140013A (en) * | 2017-05-22 | 2017-09-08 | 安徽江淮汽车集团股份有限公司 | A kind of double-front axle automobile steering system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753646Y (en) * | 2004-11-29 | 2006-01-25 | 东风汽车有限公司 | Double-front-axle automobile steering system |
| CN2803862Y (en) * | 2005-05-30 | 2006-08-09 | 安徽华菱汽车集团有限公司 | Double front axles steering driving gear of heavy lorry |
| CN202243645U (en) * | 2011-09-19 | 2012-05-30 | 安徽柳工起重机有限公司 | Car crane double-front-axle steering mechanism |
| WO2014100863A1 (en) * | 2012-12-28 | 2014-07-03 | Volvo Do Brasil Veículos Ltda. | Steering intermediate arm |
| CN204527301U (en) * | 2015-03-24 | 2015-08-05 | 上汽依维柯红岩商用车有限公司 | Automobile double propons breakaway-element Ackermann steering gear transmission device |
-
2016
- 2016-08-18 CN CN201610686723.0A patent/CN106218717B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2753646Y (en) * | 2004-11-29 | 2006-01-25 | 东风汽车有限公司 | Double-front-axle automobile steering system |
| CN2803862Y (en) * | 2005-05-30 | 2006-08-09 | 安徽华菱汽车集团有限公司 | Double front axles steering driving gear of heavy lorry |
| CN202243645U (en) * | 2011-09-19 | 2012-05-30 | 安徽柳工起重机有限公司 | Car crane double-front-axle steering mechanism |
| WO2014100863A1 (en) * | 2012-12-28 | 2014-07-03 | Volvo Do Brasil Veículos Ltda. | Steering intermediate arm |
| CN204527301U (en) * | 2015-03-24 | 2015-08-05 | 上汽依维柯红岩商用车有限公司 | Automobile double propons breakaway-element Ackermann steering gear transmission device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140013A (en) * | 2017-05-22 | 2017-09-08 | 安徽江淮汽车集团股份有限公司 | A kind of double-front axle automobile steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106218717B (en) | 2018-05-04 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Applicant before: Anhui Jianghuai Automotive Co., Ltd. |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |