CN106043423B - A kind of double-front axle automobile steering system - Google Patents
A kind of double-front axle automobile steering system Download PDFInfo
- Publication number
- CN106043423B CN106043423B CN201610686644.XA CN201610686644A CN106043423B CN 106043423 B CN106043423 B CN 106043423B CN 201610686644 A CN201610686644 A CN 201610686644A CN 106043423 B CN106043423 B CN 106043423B
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- China
- Prior art keywords
- bridge
- front axle
- steering
- arm
- propons
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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
- 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
- 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
- B62D7/20—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 Drag links, the second front axle steering knuckle arm, the second propons, a bridge knuckle and two bridge knuckles.The steering of the present invention eliminates a transitional pull rod and a transition rocker arm assembly, structure is simpler, reduces system weight, saves manufacturing cost compared with existing steering；Simultaneously because eliminating a transitional pull rod and a transition rocker arm assembly, the loss of steering force is reduced, is turned to lighter；The free clearance of steering is reduced, and is turned to more accurate；The steering arrangement space of the present invention is compact, can save arrangement space；And provide space for two bridge lifting devices.
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
Before crossing arm, a bridge Drag link, servo-cylinder, power-assisted jar support, the first front axle steering knuckle arm, the first propons, two bridge Drag links, second
Bridge knuckle arm, the second propons, a bridge knuckle and two bridge knuckles；
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 respectively with the rear end of the bridge 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 with the first propons transition arm；The rear end of the servo-cylinder passes through the power-assisted
Jar support is connected with the vehicle frame.
Angle between the center line of the center line of the one bridge Drag link and the two bridges Drag link is more than 150 degree and is less than
180 degree.
The center line of the center line of the one bridge Drag link and the two bridges Drag link is not parallel with the axial centerline of vehicle.
The length of the first front axle steering knuckle arm is less than the length of the second front axle steering knuckle arm；First propons
The radius of gyration of knuckle arm is less than the radius of gyration of the second front axle steering knuckle arm.
The tie point of the first bridge knuckle arm and knuckle is the first tie point；The one bridge Drag link and described the
The tie point of one bridge knuckle arm is the second tie point；The tie point of the two bridges Drag link and the first bridge knuckle arm is
3rd tie point；
The distance between first tie point and second tie point are more than first tie point and the described 3rd
The distance between tie point.
The beneficial effects of the invention are as follows：
The steering of the present invention eliminates a transitional pull rod and a transition rocker arm compared with existing steering
Assembly, structure is simpler, reduces system weight, saves manufacturing cost.
The present invention reduces the loss of steering force, turned due to eliminating a transitional pull rod and a transition rocker arm assembly
To lighter.
The present invention is due to eliminating a transitional pull rod and a transition rocker arm assembly so that the free clearance of steering
Reduce, turn to more accurate.
The steering arrangement space of the present invention is compact, can save arrangement space；Bridge transition before servo-cylinder is arranged in first
On arm, space can be provided for two bridge lifting devices, and this steering is applicable to the vehicle of long front overhang.
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 Drag links, 011 second front axle steering knuckle arm, 012 second propons, 013
One bridge knuckle, 014 2 bridge knuckles.
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 Drag links 010, the second front axle steering knuckle arm 011, the second propons 012, a bridge
The bridge knuckle 014 of knuckle 013 and two.
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 the bridge transition pull bar, when steering gear rocking arm produces pendulum
When dynamic, a bridge transition Drag link is driven synchronously to move forward or backward；The outboard end and a bridge of first front axle steering knuckle arm turn
Connected to section, the medial extremity of the first front axle steering knuckle arm connects with the rear end of a bridge Drag link and the front end of two bridge Drag links respectively
Connect.By the technical scheme of the application, steering gear rocking arm can drive a bridge Drag link to act, and and can enough ships dynamic and steering force
It is delivered on the second propons, act as transition and linkage effect.
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 respectively with the rear end of the bridge 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 with the first propons transition arm；The rear end of the servo-cylinder passes through the power-assisted
Jar support is connected with the vehicle frame.
Angle between the center line of the center line of the one bridge Drag link and the two bridges Drag link is more than 150 degree and is less than
180 degree.This structure make it that in steering procedure the first propons and the second propons also wrap in addition to the effect by steering force
Horizontal component is included to prevent steering force from causing to cause the sideslip of vehicle to centrifugal force caused by vehicle body steering, ensures vehicle
Turn to steady.
The center line of the center line of the one bridge Drag link and the two bridges Drag link is not parallel with the axial centerline of vehicle.
The length of the first front axle steering knuckle arm is less than the length of the second front axle steering knuckle arm；First propons
The radius of gyration of knuckle arm is less than the radius of gyration of the second front axle steering knuckle arm.
The tie point of the first bridge knuckle arm and knuckle is the first tie point；The one bridge Drag link and described the
The tie point of one bridge knuckle arm is the second tie point；The tie point of the two bridges Drag link and the first bridge knuckle arm is
3rd tie point.
The distance between first tie point and second tie point are more than first tie point and the described 3rd
The distance between tie point.
Servo-cylinder is connected by the present invention with the first propons transition arm, and provides power steering, is provided for two bridge lifting devices
Space.
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 (5)
- 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 vertical pullings Bar, the second front axle steering knuckle arm, the second propons, a bridge knuckle and two bridge knuckles；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 bridges Drag link respectively；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 with the first propons transition arm；The rear end of the servo-cylinder passes through the servo-cylinder branch Frame is connected with the vehicle frame.
- 2. double-front axle automobile steering system according to claim 1, it is characterised in that：The axis of the one bridge Drag link with Angle between the axis of the two bridges Drag link is more than 150 degree and is less than 180 degree.
- 3. double-front axle automobile steering system according to claim 1, it is characterised in that：The axis of the one bridge Drag link and The axis of the two bridges Drag link is not parallel with the axial centerline of vehicle.
- 4. double-front axle automobile steering system according to claim 1, it is characterised in that：The first front axle steering knuckle arm Length is less than the length of the second front axle steering knuckle arm；The radius of gyration of the first front axle steering knuckle arm is less than described second The radius of gyration of front axle steering knuckle arm.
- 5. double-front axle automobile steering system according to claim 1, it is characterised in that：The first front axle steering knuckle arm with The tie point of knuckle is the first tie point；The tie point of the one bridge Drag link and the first front axle steering knuckle arm is second Tie point；The tie point of the two bridges Drag link and the first front axle steering knuckle arm is the 3rd tie point；The distance between first tie point and described second tie point are connected more than first tie point with the described 3rd The distance between point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610686644.XA CN106043423B (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 |
|---|---|---|---|
| CN201610686644.XA CN106043423B (en) | 2016-08-18 | 2016-08-18 | A kind of double-front axle automobile steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106043423A CN106043423A (en) | 2016-10-26 |
| CN106043423B true CN106043423B (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610686644.XA Active CN106043423B (en) | 2016-08-18 | 2016-08-18 | A kind of double-front axle automobile steering system |
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| CN (1) | CN106043423B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140013B (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 |
| CN107140016A (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 |
| CN112373562A (en) * | 2020-11-26 | 2021-02-19 | 安徽江淮汽车集团股份有限公司 | Double-front-axle steering mechanism and automobile |
| CN113895517A (en) * | 2021-10-11 | 2022-01-07 | 东风商用车有限公司 | Vehicle and steering pull rod system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201573717U (en) * | 2009-11-20 | 2010-09-08 | 宝鸡华山工程车辆有限责任公司 | Novel truck |
| 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 |
| 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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- 2016-08-18 CN CN201610686644.XA patent/CN106043423B/en active Active
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| CN106043423A (en) | 2016-10-26 |
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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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