CN104401396A - Vehicle chassis structure - Google Patents
Vehicle chassis structure Download PDFInfo
- Publication number
- CN104401396A CN104401396A CN201410590043.XA CN201410590043A CN104401396A CN 104401396 A CN104401396 A CN 104401396A CN 201410590043 A CN201410590043 A CN 201410590043A CN 104401396 A CN104401396 A CN 104401396A
- Authority
- CN
- China
- Prior art keywords
- steering
- arms
- arm
- main frame
- floating arm
- 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.)
- Pending
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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
- B62D7/18—Steering knuckles; King pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
-
- 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
Abstract
The invention discloses a vehicle chassis structure. The vehicle chassis structure comprises main frames, upper floating arms, lower floating arms, steering brackets and steering knuckles, and is characterized by also comprising right steering arms, left steering arms and a hydraulic cylinder, wherein the right steering arms and the left steering arms are fixedly connected with the steering brackets on the left and right sides of the main frames respectively; the hydraulic cylinder is connected with the right steering arms and the left steering arms respectively and is provided with an electromagnetic valve; the steering knuckles are connected with the steering brackets through main pins and rotate freely on the steering brackets around the main pins; certain ends of the upper floating arms and the lower floating arms are fixedly arranged at the left and right ends of the main frames through rubber buffer shafts, and rubber buffer sleeves are arranged at the junctions of the other ends of the upper floating arms and the lower floating arms and the steering brackets. The vehicle chassis structure has the beneficial effects that the steering knuckles and the steering brackets are linked by the main pins to effectively solve the problem of wear caused to tires of a passenger vehicle due to non-steering during following of a following bridge, the rubber buffer shafts and the rubber buffer sleeves realize independent buffer functions, and the safety for driving is improved and the wear of the tires is reduced by the hydraulic cylinder and the electromagnetic valve.
Description
Technical field
The present invention relates to a kind of vehicle chassis architecture, belong to technical field of vehicle.
Background technology
Along with the formulation of Chinese automobile new standard, the restriction of passenger vehicle overall length is relaxed further, and passenger vehicle is the longest reaches 13.7m.Due to the lengthening of vehicle body and the increase of carrying number, passenger-carrying chassis rated load also needs corresponding increase to meet operating needs.In this case, twin shaft passenger-carrying chassis cannot adapt to operating needs, in order to meet the object that vehicle body lengthens and shares load, just needing to adopt triple-axle coach chassis, namely increasing the passenger-carrying chassis of follow-up bridge device.As the follow-up bridge of passenger vehicle the 3rd axle, it is one of 13.7m passenger-carrying chassis important composition.At present, only have minority passenger vehicle producer to develop follow-up bridge, and be mostly also in development, improve and the Qualify Phase such as performance testing, and the follow-up bridge of type selecting one side can not follow-up steering, the body of a bridge is integral structure on the other hand, is namely an integral beam type structural union between two-wheeled.Use the follow-up bridge of this form, because the heel and toe wear of passenger vehicle follow-up bridge tire when making non-rectilinear traveling can not be caused by follow-up steering, not only greatly reduce the service life of tire, also the stationary performance in vehicle traveling process being produced a very large impact on the one hand; Can not effectively can alleviate in vehicle traveling process because the body of a bridge is integral structure on the other hand, ground vertical direction, to the impulsive force of vehicle body, affects the comfort property in vehicle traveling process, but also greatly can reduce the service life of damper cylinder and Lifting air sac.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide the vehicle chassis architecture that a kind of load-carrying capacity is strong, safe and reliable, be conveniently welded.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of vehicle chassis architecture, comprise: main frame, be fixed on aforementioned main frame left, the upper floating arm at right two ends, be fixed on aforementioned main frame left, right two ends and the lower floating arm that arrange corresponding to aforementioned upper floating arm, the turning rack be fixedly connected with by overbolt with the other end of lower floating arm with aforementioned upper floating arm, and the steering swivel to be connected with aforementioned turning rack, it is characterized in that, also comprise: left with aforementioned main frame respectively, the right steering arm that the turning rack of right both sides is fixedly connected with and left steering arm, be arranged on the front end of aforementioned main frame and the hydraulic actuating cylinder be connected with aforementioned right steering arm and left steering arm respectively by pull bar, aforementioned hydraulic cylinder is equipped with electromagnetic valve, aforementioned steering swivel is connected by stub with turning rack, and steering swivel freely rotates around stub on turning rack, aforementioned upper floating arm and lower floating arm are fixed on the two ends, left and right of aforementioned main frame by rubber buffer axle, and the junction of upper floating arm and lower floating arm and turning rack is provided with rubber cushion cover.
Aforesaid vehicle chassis architecture, is characterized in that, also comprises: steering damper, and aforementioned steering damper is arranged on the rear end of main frame, and is connected with aforementioned left steering arm.
Aforesaid vehicle chassis architecture, is characterized in that, also comprises: lubricating system, and aforementioned lubricating system is fixed on the top of stub.
Usefulness of the present invention is:
1, steering swivel and turning rack are connect by stub, steering swivel freely can be rotated around stub on turning rack, thus efficiently solve and do not turn to because follow-up bridge is servo-actuated problem passenger tyre being caused to wearing and tearing;
2, upper and lower floating arm is fixed on main frame by rubber buffer axle, upper and lower floating arm can be made to swing up and down around rubber buffer axle, thus achieve individual buffer function;
3, steering damper is installed, when passenger vehicle straight-line travelling, if follow-up steering wheel is accidentally subject to External Force Acting and slightly deflects, now steering damper can to the moment of follow-up bridge wheel formation around main pin axis effect, its direction is just in time contrary with wheel deflecting direction, under this moment loading, will wheel be made to be returned to original midway location, thus ensure that the straight-line travelling that passenger vehicle is stable;
4, install hydraulic actuating cylinder, hydraulic actuating cylinder is equipped with electromagnetic valve, effectively can realize straight line free state, steering state and steering, locking state, improve the safety of traveling, decrease wear on tyres by hydraulic efficiency servo.
Accompanying drawing explanation
Fig. 1 is the front view of a specific embodiment of vehicle chassis architecture of the present invention;
Fig. 2 is the birds-eye view of the vehicle chassis architecture in Fig. 1.
The implication of Reference numeral in figure:
1-steering swivel, 2-stub, the upper floating arm of 3-, 4-rubber buffer axle, 5-rubber cushion cover, 6-right steering arm, 7-pull bar, 8-hydraulic actuating cylinder, floating arm under 9-, 10-left steering arm, 11-steering damper, 12-main frame, 13-overbolt, 14-turning rack, 15-lubricating system, 16-electromagnetic valve.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
See figures.1.and.2, vehicle chassis architecture of the present invention, comprise: main frame 12, upper floating arm 3, lower floating arm 9, turning rack 14, steering swivel 1, right steering arm 6, left steering arm 10 and hydraulic actuating cylinder 8, wherein, upper floating arm 3 is fixed on a left side for main frame 12, right two ends, lower floating arm 9 is also fixed on a left side for main frame 12, right two ends, lower floating arm 9 is corresponding with upper floating arm 3 to be arranged, one end of upper floating arm 3 and lower floating arm 9 is all fixed on a left side for main frame 12 by rubber buffer axle 4, right two ends, upper floating arm 3 is then fixedly connected with turning rack 14 by overbolt 13 with the other end of lower floating arm 9, upper floating arm 3 and lower floating arm 9 are provided with rubber cushion cover 15 with the junction of turning rack 14, the turning rack 14 of both sides can be made so non-interference on main frame 12, realize the object of individual buffer, steering swivel 1 is connected with turning rack 14, and the two is connected by stub 2, steering swivel 1 can be made so freely to rotate around stub 2 on turning rack 14, realize follow-up steering object, right steering arm 6 is fixedly connected with the turning rack 14 on the left of main frame 12, corresponding, left steering arm 10 is fixedly connected with the turning rack 14 on the right side of main frame 12, hydraulic actuating cylinder 8 is arranged on the front end of main frame 12, hydraulic actuating cylinder 8 is connected with right steering arm 6 and left steering arm 10 respectively by pull bar 7, hydraulic actuating cylinder 8 is equipped with electromagnetic valve 16, is carried out the motion of hydraulic control cylinder 8 by Controlling solenoid valve 16, and then the control realized turning rack 14 follow-up steering of both sides, reach the object of smooth-ride.
In the present invention, by stub 2, steering swivel 1 and turning rack 14 are connect, steering swivel 1 freely can be rotated on turning rack 14 around stub 2, when chaufeur beats direction, due to the centrifugal action of passenger vehicle own, a side-force reaction is produced at the contact point place on follow-up bridge wheel and road surface, this opposition forms the moment acted on around stub 2 to wheel, its direction is just in time contrary with front-wheel steering direction, under this power effect, achieve the follow-up steering on chassis, thus efficiently solve and do not turn to because follow-up bridge is servo-actuated problem passenger tyre being caused to wearing and tearing.
In addition, upper floating arm 3 and lower floating arm 9 are fixed on main frame 12 by rubber buffer axle 4, floating arm 3 and lower floating arm 9 are swung up and down around rubber buffer axle 4, thus achieves individual buffer function.This function can effectively cushion in bus driving process, the pitching of producing due to travel state of ground difference, namely when ground produces an application force to wheel of passenger vehicle upwards, effectively can be alleviated by the buffering of upper floating arm 3 and lower floating arm 9, especially when single wheel is subject to acting on, other single wheel can not be affected, thus achieve the smooth running of passenger vehicle, enhance the comfort property of passenger vehicle.
In addition, install hydraulic actuating cylinder 8, hydraulic actuating cylinder 8 is equipped with electromagnetic valve 16, effectively can realize straight line free state, steering state and steering, locking state by hydraulic efficiency servo.When passenger vehicle low speed driving, hydraulic actuating cylinder 8 is in free steering state, meets the effect that follow-up bridge independently adapts to; After the moving velocity of vehicle reaches limits value, the signal automatic transmission that wheel speed sensor detects is to electromagnetic valve 16, hydraulic actuating cylinder 8 is made wheel be returned to midway location by adjustment pressure and is realized latch functions, follow-up bridge can not be turned to, improve the safety of traveling, decrease wear on tyres.
As the preferred scheme of one, vehicle chassis architecture of the present invention also comprises: steering damper 11.Steering damper 11 is arranged on the rear end of main frame 12, and is connected with left steering arm 10.When passenger vehicle straight-line travelling, if follow-up steering wheel is accidentally subject to External Force Acting and slightly deflects, now steering damper 11 can to the moment of follow-up bridge wheel formation around the effect of stub 2 axis, its direction is just in time contrary with wheel deflecting direction, under this moment loading, to wheel be made to be returned to original midway location, thus ensure that the straight-line travelling that passenger vehicle is stable.
More preferably, vehicle chassis architecture of the present invention also comprises: lubricating system 15.Lubricating system 15 is fixed on the top of stub 2, for realizing the lubrication to stub 2.The preferred structure of one of lubricating system 15 is: be made up of lid end, O type circle and forced filling oil cup three part, and wherein, the Intermediate Gray of lid end is fluted, and forced filling oil cup is fixed on lid end, and O type circle is arranged in the groove in the middle of lid end.
In sum, vehicle chassis architecture load-carrying capacity of the present invention is strong, safe and reliable, is conveniently welded, is applicable to multiple passenger-carrying chassis system.
It should be noted that, above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (3)
1. a vehicle chassis architecture, comprise: main frame (12), be fixed on described main frame (12) left, the upper floating arm (3) at right two ends, be fixed on described main frame (12) left, right two ends and the lower floating arm (9) that arrange corresponding to described upper floating arm (3), the turning rack (14) be fixedly connected with by overbolt (13) with the other end of lower floating arm (9) with described upper floating arm (3), and the steering swivel (1) to be connected with described turning rack (14), it is characterized in that, also comprise: left with described main frame (12) respectively, the right steering arm (6) that the turning rack (14) of right both sides is fixedly connected with and left steering arm (10), be arranged on the front end of described main frame (12) and the hydraulic actuating cylinder (8) be connected with described right steering arm (6) and left steering arm (10) respectively by pull bar (7), electromagnetic valve (16) described hydraulic actuating cylinder (8) is equipped with, described steering swivel (1) is connected by stub (2) with turning rack (14), and steering swivel (1) freely rotates around stub (2) on turning rack (14), described upper floating arm (3) and lower floating arm (9) are fixed on the two ends, left and right of described main frame (12) by rubber buffer axle (4), and upper floating arm (3) and lower floating arm (9) are provided with rubber cushion cover (5) with the junction of turning rack (14).
2. vehicle chassis architecture according to claim 1, it is characterized in that, also comprise: steering damper (11), described steering damper (11) is arranged on the rear end of main frame (12), and is connected with described left steering arm (10).
3. vehicle chassis architecture according to claim 1 and 2, is characterized in that, also comprises: lubricating system (15), and described lubricating system (15) is fixed on the top of stub (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590043.XA CN104401396A (en) | 2014-10-28 | 2014-10-28 | Vehicle chassis structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410590043.XA CN104401396A (en) | 2014-10-28 | 2014-10-28 | Vehicle chassis structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104401396A true CN104401396A (en) | 2015-03-11 |
Family
ID=52639089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410590043.XA Pending CN104401396A (en) | 2014-10-28 | 2014-10-28 | Vehicle chassis structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104401396A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565213A (en) * | 2016-01-22 | 2016-05-11 | 安徽江淮银联重型工程机械有限公司 | Suspension locking system for fork lift |
| CN106183687A (en) * | 2016-09-27 | 2016-12-07 | 张道勤 | A kind of driving dynamic autonomous stabilization chassis overhang |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193843A (en) * | 1990-03-30 | 1993-03-16 | Mazda Motor Corp. | Suspension system of a vehicle |
| JP2001113928A (en) * | 1999-10-20 | 2001-04-24 | Komatsu Ltd | Wheel type multi purpose working vehicle |
| DE102004001727A1 (en) * | 2004-01-13 | 2005-08-04 | Deilmann-Haniel Mining Systems Gmbh | Steering linkage for motor vehicle has vertical base plate on which wheel stub axle is pivotally mounted with a level compensator between them |
| CN201792897U (en) * | 2010-07-21 | 2011-04-13 | 国营第六一八厂 | Coach chassis device |
| CN102019958A (en) * | 2010-12-06 | 2011-04-20 | 徐州重型机械有限公司 | Six-shaft automobile chassis crane and steering control system and method thereof |
| CN102975769A (en) * | 2012-12-18 | 2013-03-20 | 山推工程机械股份有限公司 | Tire-type paver and front axle thereof |
-
2014
- 2014-10-28 CN CN201410590043.XA patent/CN104401396A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5193843A (en) * | 1990-03-30 | 1993-03-16 | Mazda Motor Corp. | Suspension system of a vehicle |
| JP2001113928A (en) * | 1999-10-20 | 2001-04-24 | Komatsu Ltd | Wheel type multi purpose working vehicle |
| DE102004001727A1 (en) * | 2004-01-13 | 2005-08-04 | Deilmann-Haniel Mining Systems Gmbh | Steering linkage for motor vehicle has vertical base plate on which wheel stub axle is pivotally mounted with a level compensator between them |
| CN201792897U (en) * | 2010-07-21 | 2011-04-13 | 国营第六一八厂 | Coach chassis device |
| CN102019958A (en) * | 2010-12-06 | 2011-04-20 | 徐州重型机械有限公司 | Six-shaft automobile chassis crane and steering control system and method thereof |
| CN102975769A (en) * | 2012-12-18 | 2013-03-20 | 山推工程机械股份有限公司 | Tire-type paver and front axle thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565213A (en) * | 2016-01-22 | 2016-05-11 | 安徽江淮银联重型工程机械有限公司 | Suspension locking system for fork lift |
| CN106183687A (en) * | 2016-09-27 | 2016-12-07 | 张道勤 | A kind of driving dynamic autonomous stabilization chassis overhang |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |