CN106080762B - A kind of double-front axle automobile steering system - Google Patents
A kind of double-front axle automobile steering system Download PDFInfo
- Publication number
- CN106080762B CN106080762B CN201610686645.4A CN201610686645A CN106080762B CN 106080762 B CN106080762 B CN 106080762B CN 201610686645 A CN201610686645 A CN 201610686645A CN 106080762 B CN106080762 B CN 106080762B
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- China
- Prior art keywords
- bridge
- arm
- propons
- tie point
- transition
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/062—Details, component parts
-
- 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
-
- 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
- B62D7/20—Links, e.g. track rods
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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, including steering gear, steering gear rocking arm, a bridge transition pull bar, the first propons transition arm, a bridge Drag link, servo-cylinder, power-assisted jar support, the first front axle steering knuckle arm, the first propons, two bridge transition Drag links, the second front axle steering knuckle arm, the second propons, a bridge knuckle and two bridge knuckles, the second propons transition arm and two bridge Drag links.The steering of the present invention can save arrangement space compared with existing steering, and servo-cylinder is arranged between the first propons transition arm and the second propons transition arm, and device can be provided for two bridges and provides space；Therefore the technical scheme of the application is applied to vehicle and the vehicle suitable for long front overhang that the second propons can be lifted.
Description
Technical field
The invention belongs to automobile steering system technical field, particularly relates 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, a steeraxle, institute more than single propons car
Can carry more load-carryings, with the national economic development, double-front axle car of turning direction turns into the development trend of road transport vehicle.
As shown in figure 1, to be now widely used for the steering that double-front axle turns to vehicle, including steering gear 1, steering gear
Rocking arm 2, First Transition pull bar 3, a bridge Drag link 4, the first front axle steering knuckle arm 5, First Transition rocking arm 6, the second transitional pull rod
7th, the second transition rocker arm 8, two bridge Drag links 9, servo-cylinder 10, power-assisted jar support 11, the second front axle steering knuckle arm 12, plate spring lifting lug
Support 13, leaf spring 14, the first propons 15 and the second propons 16.
Prior art is turned by two transition rocker arms and four steering drag links by what steering gear and servo-cylinder exported
Two propons are delivered to power, wherein steering gear drives steering gear rocking arm to rotate, and servo-cylinder promotes the second transition rocker arm to rotate.
The steering of prior art has that complicated, heavy, manufacturing cost is high；It is more to turn to force transfer mechanism, turns to
Drag is big, causes the loss of steering force；Because mechanism is complicated, larger freedom is produced after each flexural pivot internal clearance accumulation
Gap, cause to turn to insensitive.
The content of the invention
It is an object of the invention to provide a kind of double-front axle automobile steering system, and to solve, steering system structural is complicated, manufactures
Cost is high, and steering drag is 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, including steering gear, steering gear rocking arm, a bridge transition pull bar, the first propons mistake
Cross arm, a bridge Drag link, servo-cylinder, power-assisted jar support, the first front axle steering knuckle arm, the first propons, two bridge transition Drag links,
Two front axle steering knuckle arms, the second propons, a bridge knuckle and two bridge knuckles, the second propons transition arm and two bridge Drag links；
The one bridge knuckle is connected with first propons；The two bridges knuckle is connected with second propons；
The upper end of the steering gear rocking arm is connected with the steering gear, the lower end of the steering gear rocking arm and the bridge mistake
Cross the front end connection of pull bar；
The upper end of the first propons transition arm is rotatablely connected with vehicle frame；The lower end of the first propons transition arm respectively with
The rear end of the one bridge transition pull bar and the connection of the front end of the bridge Drag link；
The outboard end of the first front axle steering knuckle arm is connected with the bridge knuckle, the first front axle steering knuckle arm
Medial extremity be connected with the rear end of the bridge Drag link and the front end of the two bridge transitions Drag link；
The upper end of the second propons transition arm is rotatablely connected with the vehicle frame；The lower end of the 3rd propons transition arm point
It is not connected with the rear end of the two bridge transitions Drag link and the front end of the two bridges Drag link；
The outboard end of the second front axle steering knuckle arm is connected with the two bridges knuckle, the second front axle steering knuckle arm
Medial extremity be connected with the rear end of the two bridges Drag link；
The front end of the servo-cylinder is connected by the power-assisted jar support with the vehicle frame；The rear end of the servo-cylinder and institute
State the connection of the second propons transition arm.
The length of the first front axle steering knuckle arm is equal to the length of the second front axle steering knuckle arm；First propons
The radius of gyration of knuckle arm is equal to the radius of gyration of the second front axle steering knuckle arm.
The tie point of the one bridge transition pull bar and the first propons transition arm is the first tie point；The one bridge vertical pulling
The tie point of bar and the first propons transition arm is the second tie point；The connection of the first propons transition arm and the vehicle frame
Point is the 3rd tie point；
The distance between first tie point and the 3rd tie point are more than second tie point and the described 3rd
The distance between tie point.
Tie point between the first propons front steering joint arm and the bridge knuckle is the 4th tie point；Described one
Tie point between bridge Drag link and the first front axle steering knuckle arm is the 5th tie point；The two bridge transitions Drag link and institute
It is the 6th tie point to state the tie point between the first front axle steering knuckle arm；
The distance between 4th tie point and the 5th tie point are more than the 4th tie point and the described 6th
The distance between tie point.
Tie point position between the two bridge transitions Drag link and the second propons transition arm is straight less than two bridge
Tie point position between pull bar and the second propons transition arm.
The beneficial effects of the invention are as follows：
The steering of the present invention can save arrangement space, servo-cylinder is arranged in first compared with existing steering
Between propons transition arm and the second propons transition arm, device can be provided for two bridges space is provided；Therefore the technical side of the application
Case is applied to vehicle and the vehicle suitable for long front overhang that the second propons can be lifted.
Brief description of the drawings
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 Fig. 2 A.
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 arms, 9 two bridge Drag links, 10 servo-cylinders, 11 power-assisted jar 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 transition pull bars, 04 first propons transition arm, 05 1 bridge Drag links, 06 servo-cylinder, 07 power-assisted jar support, 08
First front axle steering knuckle arm, 09 first propons, 010 2 bridge transition Drag links, 011 second front axle steering knuckle arm, before 012 second
Bridge, 013 1 bridge knuckles, 014 2 bridge knuckles, 015 second propons transition arm, 016 2 bridge Drag links.
Embodiment
Describe technical scheme in detail by the following examples, following embodiment be only it is exemplary, only
Explanation and illustration technical scheme can be used for, and be not to be construed as the limitation to technical solution of the present invention.
The present invention provides a kind of double-front axle automobile steering system, and as shown in Figures 2 and 3, including steering gear 01, steering gear are shaken
Arm 02, a bridge transition pull bar 03, the first propons transition arm 04, a bridge Drag link 05, servo-cylinder 06, power-assisted jar support 07, first
Front axle steering knuckle arm 08, the first propons 09, two bridge transition Drag links 010, the second front axle steering knuckle arm 011, the second propons 012,
One bridge knuckle 013 and two bridge knuckles 014, the second propons transition arm 015 and two bridge Drag links 016.
In this application, the arrangement according to vehicle, the first propons is located at the front of the second propons, herein using headstock direction as
Front, using tailstock direction as rear, using at nearly wheel as outside, using nearly vehicle axial centerline direction as inner side.
One bridge knuckle is connected with the first propons；Two bridge knuckles are connected with the second propons；A wherein bridge knuckle and
The connected mode and structure of one propons；Connection of the connected mode and structure of two bridge knuckles and the second propons with prior art
Mode and structure are identical, herein without detailed description.
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 swing, and the lower end of steering gear rocking arm is connected with the front end of a bridge transition pull bar, when steering gear rocking arm produces swing,
A bridge transition Drag link is driven synchronously to move forward or backward；The outboard end of first front axle steering knuckle arm and a bridge knuckle connect
Connect, the medial extremity of the first front axle steering knuckle arm is connected with the rear end of a bridge Drag link and the front end of two bridge transition Drag links.
The upper end of first propons transition arm is rotatablely connected with vehicle frame；The lower end of first propons transition arm respectively with a bridge transition
The rear end of pull bar and the connection of the front end of a bridge Drag link；The tie point of one bridge transition pull bar and the first propons transition arm is the first company
Contact；The tie point of one bridge Drag link and the first propons transition arm is the second tie point；The company of first propons transition arm and vehicle frame
Contact is the 3rd tie point.
The distance between first tie point and the 3rd tie point are more than the distance between the second tie point and the 3rd tie point.
By the change of tie point between the first propons transition arm and a bridge transition pull bar and a bridge Drag link, steering transmission can be changed
Than making the distribution of steering force more reasonable.
The outboard end of first front axle steering knuckle arm is connected with a bridge knuckle, the medial extremity and one of the first front axle steering knuckle arm
The rear end of bridge Drag link and the connection of the front end of two bridge transition Drag links；Between first propons front steering joint arm and a bridge knuckle
Tie point is the 4th tie point；Tie point between one bridge Drag link and the first front axle steering knuckle arm is the 5th tie point；Two bridges
Tie point between transition Drag link and the first front axle steering knuckle arm is the 6th tie point.
The distance between 4th tie point and the 5th tie point are more than the distance between the 4th tie point and the 6th tie point.
By the change to torque caused by tie point between the first front axle steering knuckle arm and a bridge Drag link and two bridge transition pull bars come
The gearratio of the steering force of steering gear is set more to be adapted with vehicle.
The upper end of second propons transition arm is rotatablely connected with vehicle frame；The lower end of 3rd propons transition arm respectively with two bridge transitions
The rear end of Drag link and the connection of the front end of two bridge Drag links.Tie point between two bridge transition Drag links and the second propons transition arm
Position is less than the tie point position between two bridge Drag links and the second propons transition arm.
The outboard end of second front axle steering knuckle arm is connected with two bridge knuckles, the medial extremity and two of the second front axle steering knuckle arm
The rear end connection of bridge Drag link.
The front end of servo-cylinder is connected by power-assisted jar support with vehicle frame；The rear end of servo-cylinder connects with the second propons transition arm
Connect.Servo-cylinder is connected by the present invention with the second propons transition arm, and before servo-cylinder is arranged at into the first propons transition arm and second
Between bridge transition arm, and power steering is provided, space is provided for two bridge lifting devices.
The length of first front axle steering knuckle arm is equal to the length of the second front axle steering knuckle arm；First front axle steering knuckle arm returns
Turn the radius of gyration that radius is equal to the second front axle steering knuckle arm.To obtain suitable steering gear ratio, ensure that the second propons turns to
Precisely.
First front axle steering knuckle arm can drive a bridge knuckle to turn to, and and can will move and power is delivered to the second propons mistake
Cross on arm, act as transition, linkage effect.
The steering of the present invention can farthest simplify divertical motion mechanism, to obtain preferable steer ability
Can, while reduce weight and cost.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (4)
- A kind of 1. double-front axle automobile steering system, it is characterised in that：Including steering gear, steering gear rocking arm, a bridge transition pull bar, One propons transition arm, a bridge Drag link, servo-cylinder, power-assisted jar support, the first front axle steering knuckle arm, the first propons, two bridge transitions Drag link, the second front axle steering knuckle arm, the second propons, a bridge knuckle and two bridge knuckles, the second propons transition arm and two bridges Drag link；The one bridge knuckle is connected with first propons；The two bridges knuckle is connected with second propons；The upper end of the steering gear rocking arm is connected with the steering gear, and the lower end of the steering gear rocking arm is drawn with a bridge transition The front end connection of bar；The upper end of the first propons transition arm is rotatablely connected with vehicle frame；The lower end of the first propons transition arm respectively with it is described The rear end of one bridge transition pull bar and the connection of the front end of the bridge Drag link；The outboard end of the first front axle steering knuckle arm is connected with the bridge knuckle, the first front axle steering knuckle arm it is interior Side is connected with the rear end of the bridge Drag link and the front end of the two bridge transitions Drag link；The upper end of the second propons transition arm is rotatablely connected with the vehicle frame；The lower end of the second propons transition arm respectively with The rear end of the two bridge transitions Drag link and the connection of the front end of the two bridges Drag link；The outboard end of the second front axle steering knuckle arm is connected with the two bridges knuckle, the second front axle steering knuckle arm it is interior Side is connected with the rear end of the two bridges Drag link；The front end of the servo-cylinder is connected by the power-assisted jar support with the vehicle frame；The rear end of the servo-cylinder and described the Two propons transition arms connect；Tie point between the first propons front steering joint arm and the bridge knuckle is the 4th tie point；One bridge is straight Tie point between pull bar and the first front axle steering knuckle arm is the 5th tie point；The two bridge transitions Drag link and described the Tie point between one front axle steering knuckle arm is the 6th tie point；The distance between 4th tie point and described 5th tie point are connected more than the 4th tie point with the described 6th The distance between point.
- 2. double-front axle automobile steering system according to claim 1, it is characterised in that：The first front axle steering knuckle arm Length is equal to the length of the second front axle steering knuckle arm；The radius of gyration of the first front axle steering knuckle arm is equal to described second The radius of gyration of front axle steering knuckle arm.
- 3. double-front axle automobile steering system according to claim 1, it is characterised in that：The one bridge transition pull bar with it is described The tie point of first propons transition arm is the first tie point；The tie point of the one bridge Drag link and the first propons transition arm For the second tie point；The tie point of the first propons transition arm and the vehicle frame is the 3rd tie point；The distance between first tie point and described 3rd tie point are connected more than second tie point with the described 3rd The distance between point.
- 4. double-front axle automobile steering system according to claim 1, it is characterised in that：The two bridge transitions Drag link and institute The tie point position stated between the second propons transition arm is less than between the two bridges Drag link and the second propons transition arm Tie point position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686645.4A CN106080762B (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 |
|---|---|---|---|
| CN201610686645.4A CN106080762B (en) | 2016-08-18 | 2016-08-18 | A kind of double-front axle automobile steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106080762A CN106080762A (en) | 2016-11-09 |
| CN106080762B true CN106080762B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610686645.4A Active CN106080762B (en) | 2016-08-18 | 2016-08-18 | A kind of double-front axle automobile steering system |
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| CN (1) | CN106080762B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107010109A (en) * | 2017-04-14 | 2017-08-04 | 北京航天发射技术研究所 | A kind of heavy type chassis long wheelbase doube bridge steering |
| CN107140015B (en) * | 2017-05-22 | 2020-08-21 | 安徽江淮汽车集团股份有限公司 | Double-front-axle automobile steering system |
| CN111216791A (en) * | 2020-01-09 | 2020-06-02 | 湖南行必达网联科技有限公司 | Steering transmission system connecting piece, steering transmission system and automobile |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202225908U (en) * | 2011-09-02 | 2012-05-23 | 沈阳北方交通重工有限公司 | Dual front-axle power steering device of automobile crane |
| 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 |
| CN102501898A (en) * | 2011-10-31 | 2012-06-20 | 徐州重型机械有限公司 | Nine-shaft automobile chassis crane and steering control system thereof |
| BR112016008551B1 (en) * | 2013-10-17 | 2021-08-31 | Volvo Do Brasil Veículos Ltda | STEERING SYSTEM FOR A VEHICLE |
| CN203496987U (en) * | 2013-10-22 | 2014-03-26 | 集瑞联合重工有限公司 | Double-front-axle automobile steering transmission system |
| CN203958297U (en) * | 2014-07-25 | 2014-11-26 | 上汽依维柯红岩商用车有限公司 | Standard is heavily blocked two front axles steering driving gears |
| CN105150791B (en) * | 2015-09-23 | 2017-11-03 | 安徽江淮汽车集团股份有限公司 | A kind of double-front axle structure with lift bridge of heavy goods vehicle |
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| CN106080762A (en) | 2016-11-09 |
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| 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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