CN103770837A - Double-flexible-shaft multi-shaft steering running gear structure and automobile thereof - Google Patents
Double-flexible-shaft multi-shaft steering running gear structure and automobile thereof Download PDFInfo
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- CN103770837A CN103770837A CN201210398279.4A CN201210398279A CN103770837A CN 103770837 A CN103770837 A CN 103770837A CN 201210398279 A CN201210398279 A CN 201210398279A CN 103770837 A CN103770837 A CN 103770837A
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- steering
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Abstract
The invention provides a double-flexible-shaft multi-shaft steering running gear structure and an automobile thereof. In the running gear structure, a first steering axle, a second steering axle and a rear driving axle are respectively connected with a frame through hanger brackets, and a steering gear is installed on the frame. A front rocker arm is installed on the steering gear, two ends of the front rocker arm are respectively connected with the first ends of an upper pull flexible shaft and a lower pull flexible shaft, and one end of the front rocker arm close to wheels is connected with a first steering knuckle of the first steering axle through a first pull rod. A rear rocker arm is installed on the frame, two ends of the rear rocker arm are respectively connected with the second ends of the upper pull flexible shaft and the lower pull flexible shaft, and one end of the rear rocker arm close to the wheels is connected with a second steering knuckle of a second steering axle through a second pull rod. The double-flexible-shaft multi-shaft steering running gear structure adopts double flexible shafts to transfer steering force, double flexible shafts only bear pull force but do not bear pressure, and coordinative and consistent steering of the first steering axle and the second steering axle is ensured. In addition, two steering axles can be flexibly arranged closely or remotely and are simple in structure.
Description
Technical field
The present invention relates to auto Body Technology field, relate in particular to a kind of two flexible axle multi-axle steering running device structure and automobile thereof.
Background technology
Car chassis, for supporting and install driving engine and each parts thereof, assembly, forms Integral automobile moulding, and accepts the power of driving engine, makes automobile normal running.Chassis is made up of transmission system, running device, steering system and brake system four parts.Wherein, the function of running device is to transmit all directions application force between vehicle frame and wheel, and it is made up of vehicle frame, vehicle bridge (also claiming axletree), wheel and suspension, and vehicle bridge is connected with vehicle frame by suspension, and automotive wheel is installed at vehicle bridge two ends.According to the difference of type of drive, vehicle bridge is also divided into steeraxle, drive axle.Most of automobiles adopt front-engine rear-drive moving, and therefore propons is as steeraxle, and back axle is as drive axle; Steeraxle is made up of two steering swivels and a crossbeam, and wheel is contained on steering swivel.
Existing heavy card 6 × 2(6 represents wheel sum, and 2 represent wheels quantity) product is generally at complete vehicle structure: car load first half is carried as doube bridge, i.e. propons and the second steeraxle, and be steeraxle, connect by pull bar, realize synchronous coordination and turn to, back axle is bearing-type drive axle.
Existing heavy card 6 × 2 product at full loads, weight on front axle is less, mainly concentrates on the second steeraxle and back axle load skewness.And propons is generally connected by pull bar with the second steeraxle, two steeraxle wheelbases are generally between 1700mm-2000mm.When Double steering bridge wheelbase need to lengthen according to arrangement, if adopt long draw to connect, in the time growing apart from pressurized, pull bar easily produces buckling deformation; If adopt sectional type pull bar to connect, certainly will increase arrangement difficulty, the transition mechanism of steering track rod also can be more complicated simultaneously, increases development difficulty and cost.
Summary of the invention
The present invention program's object is: a kind of two flexible axle multi-axle steering running device structure and automobile thereof are provided, realize double steering shaft more flexible apart from arranging, structure is simpler.
For this reason, the invention provides a kind of two flexible axle multi-axle steering running device structure, comprise: vehicle frame, the first steeraxle, the second steeraxle and rear driving axle, described the first steeraxle, the second steeraxle and rear driving axle are connected with described vehicle frame by suspension respectively, on described vehicle frame, deflector is installed, also comprises:
Front arm, is arranged in described deflector, and the two ends of described front arm connect respectively the first end that draws flexible axle and drop-down flexible axle, and one end of the close wheel of described front arm is connected with the first steering swivel of described the first steeraxle by the first pull bar;
Rear arm, is arranged on described vehicle frame, and described rear arm two ends connect respectively the second end that draws flexible axle and drop-down flexible axle on described, and one end of the close wheel of described rear arm is connected with the second steering swivel of described the second steeraxle by the second pull bar.
Preferably, also comprise the attachment point of four rectangular distributions, draw on described flexible axle and drop-down flexible axle respectively by after described attachment point, be connected with the two ends of described front arm and the two ends of described rear arm.
Preferably, also comprise:
Servo cylinder, is arranged on described vehicle frame, and is connected with described rear arm.
Preferably, described rear arm is arranged on described vehicle frame by support.
Preferably, described the first pull bar and described the second drag link are drag link.
Preferably, on described, draw flexible axle and drop-down flexible shaft protecting to be provided with flexible shaft protecting.
Preferably, described the first steeraxle, the second steeraxle and rear driving axle are connected with described vehicle frame by suspension respectively, are specially:
Described the first steeraxle is connected with described vehicle frame by steel spring;
Described the second steeraxle is connected with described vehicle frame by compound suspension frame;
Described rear driving axle is connected with described vehicle frame by steel spring.
Preferably, described compound suspension frame comprises:
Leaf spring, described leaf spring two ends are connected with described vehicle frame by hanger;
Flexible adjustment device, described flexible adjustment device is between leaf spring and described vehicle frame;
Levelling valve is carried in sense, is arranged on vehicle frame, and by detecting the load of drive axle and regulating described flexible adjustment device height, thus the load of adjusting the second steeraxle.
Preferably, described flexible adjustment device is air bag.
The invention provides a kind of automobile with two flexible axle multi-axle steering running device structures, comprise above-mentioned two flexible axle multi-axle steering running device structures.
Compared with prior art, the present invention has the following advantages:
In the present invention, adopt two flexible axles to transmit steering effort, two flexible axles are only born pulling force, do not bear pressure, guarantee the coordinative coherence that turns to of the first steeraxle and the second steeraxle; And can make two steeraxles apart from arranging more flexibly, can be closely, can be far away, structure is simpler.
Accompanying drawing explanation
Fig. 1 is the two flexible axle multi-axle steering running device structural representations of the one of the embodiment of the present invention.
Drawing reference numeral:
1, vehicle frame; 2, deflector; 3, front arm; 4, attachment point; 5, above draw flexible axle;
6, drop-down flexible axle; 7, rear arm; 8, support; 9, servo cylinder; 10, air bag;
11, levelling valve is carried in sense; 12, rear driving axle; 13, common leaf spring; 14, the second steeraxles;
15, the second steering swivels; 16, the second pull bars; 17, leaf spring; 18, hanger;
19, the first steering swivels; 20, the first steeraxles; 21, the first pull bars.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " orientation or the position relationship of the indication such as " center ", " longitudinally ", " laterally ", 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " they are based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as limitation of the present invention.
The invention provides a kind of two flexible axle multi-axle steering running device structure, be applicable to have the product of two steeraxles, as for thering are how many rear driving axles, do not limit, for example, be applicable to heavily block 6 × 2 products (thering is two steeraxles and 1 drive axle), heavily block 8 × 4 products (thering are two steeraxles and two drive axles).The present embodiment describes heavily to block 6 × 2 products (the second steeraxle is arranged near rear driving axle), as shown in Figure 1, comprise: vehicle frame 1, the first steeraxle 20, the second steeraxle 14 and rear driving axle 12, described the first steeraxle 20, the second steeraxle 14 are connected with described vehicle frame 1 by suspension respectively with rear driving axle 12, on described vehicle frame 1, deflector 2 is installed, is preferably mounted near on the vehicle frame of the first steeraxle 20.Front arm 3, be arranged on the output shaft of described deflector 2, the two ends of described front arm 3 connect respectively draw flexible axle 5 and drop-down flexible axle 6 first end (for example, can be respectively equipped with at the two ends of front arm 3 He Xia hole, hole, upper hole is connected with the first end that above draws flexible axle 5, lower hole is connected with the first end of drop-down flexible axle 6), and one end of one end of the close wheel of described front arm 3 and the first pull bar 21 is hinged, the other end of the first pull bar 21 is fixedly connected with the first steering swivel 19 of described the first steeraxle 20.Rear arm 7, be arranged on described vehicle frame 1, the two ends of described rear arm 7 connect respectively draws the second end of flexible axle 5 and drop-down flexible axle 6 on described (for example two ends of rear arm 7 is respectively equipped with He Xia hole, hole, upper hole is connected with the second end that above draws flexible axle 5, lower hole is connected with the second end of drop-down flexible axle 6), and one end of one end of the close wheel of described rear arm 7 and the second pull bar 16 is hinged, the other end of the second pull bar 16 is fixedly connected with the second steering swivel 15 of described the second steeraxle 14; Rear arm is connected with servo cylinder 9 simultaneously, servo cylinder 9 front ends connect with rear arm 7, and rear end connects with servo cylinder support, and servo cylinder support is bolted on vehicle frame, servo cylinder, by adopting oil pressure power-assisted to promote rear arm, is reached for two bridges and turns to the effect that power steering is provided.In deflector when work,, drive the first steeraxle to turn to by front arm 3 and the first pull bar 21, simultaneously front arm 3 by draw flexible axle 5 and drop-down flexible axle 6 to drive rear arm 7 to swing, and then drive the second steeraxle to turn to by the second pull bar 16.
In the present invention, in order to draw the layout of flexible axle 5 and drop-down flexible axle 6 on optimizing, the form that attachment point 4(mounting bracket on vehicle frame of four rectangular distributions need to be set forms attachment point 4, flexible axle as prescribed position is fixed), on described, draw flexible axle 5 and drop-down flexible axle 6 respectively by after described attachment point 4, be connected with the two ends of described front arm 3 and the two ends of described rear arm 7.So, two flexible axles can be at a distance of nearer in most of length, is convenient to arrange.In addition, above drawing flexible axle 5 and drop-down flexible axle 6 can be exposed flexible axle, but in order to protect flexible axle, wear prevention, also can be at the upper flexible shaft protecting that draws the material such as flexible axle 5 and the sheathed rubber of drop-down flexible axle 6 or plastics.
In the present invention, the first pull bar 21 and the preferred drag link of the second pull bar 16, use other pull bars certainly, and the pull bar for example with certain radian is also passable.
In the present invention, adopt two flexible axles to transmit steering effort, two flexible axles are only born pulling force, do not bear pressure, guarantee the coordinative coherence that turns to of the first steeraxle and the second steeraxle; And can make two steeraxles apart from arranging more flexibly, closely (1700mm-2000mm), far (between 3600mm～4200mm), structure is simpler.
In the embodiment of the present invention, described the first steeraxle 20 is connected with described vehicle frame 1 by steel spring 13; Described the second steeraxle 14 is connected with described vehicle frame 1 by compound suspension frame; Described rear driving axle 12 is connected with described vehicle frame 1 by steel spring 13.Wherein, compound suspension frame comprises: leaf spring 17(leaf spring 17 material used with steel spring 13 is identical, and just the sheet number of leaf spring is different from thickness, 17 numbers of leaf spring are few, and thickness is less, and 13 numbers of leaf spring are more, thickness is larger), described leaf spring 17 two ends are connected with described vehicle frame 1 by hanger; Flexible adjustment device 10(is for example air bag, or other Height Adjustable elastic buffering mechanism), described flexible adjustment device 10 is between leaf spring 17 and described vehicle frame 1; Levelling valve (for sense vehicle load) 11 is carried in sense, be arranged on vehicle frame 1, be preferably mounted near near the vehicle bridge of the second steeraxle 14, by detecting the load of the second steeraxle, regulate described flexible adjustment device 10 height (for example, by regulating the air pressure in air bag to change height), realize the variation of flexible adjustment device 10 bearing loads, thereby regulate the load of the second steeraxle 14.
Compound suspension frame in the present invention, makes the second steeraxle axle load variable, makes each bridge load relative even when fully loaded and unloaded, turn to simultaneously realizing doube bridge, can more reasonably distribute axle load, improve car load maneuvering performance, effectively avoid assisted diversion bridge overload, guarantee that drive axle has good cohesive resistance.
The invention provides a kind of automobile with two flexible axle multi-axle steering running device structures, comprise above-mentioned two flexible axle multi-axle steering running device structures.
The foregoing is only preferred embodiment of the present invention, be not used for limiting the scope of the invention; Protection scope of the present invention is limited by the claim in claims, and every equivalence variation and modification of doing according to invention, all within the protection domain of patent of the present invention.
Claims (10)
1. a two flexible axle multi-axle steering running device structure, comprise: vehicle frame (1), the first steeraxle (20), the second steeraxle (14) and rear driving axle (12), described the first steeraxle (20), the second steeraxle (14) and rear driving axle (12) are connected with described vehicle frame (1) by suspension respectively, deflector (2) is installed on described vehicle frame (1), it is characterized in that, also comprise:
Front arm (3), be arranged in described deflector (2), the two ends of described front arm (3) connect respectively the first end that draws flexible axle (5) and drop-down flexible axle (6), and one end of the close wheel of described front arm (3) is connected with first steering swivel (19) of described the first steeraxle (20) by the first pull bar (21);
Rear arm (7), be arranged on described vehicle frame (1), the two ends of described rear arm (7) connect respectively the second end that draws flexible axle (5) and drop-down flexible axle (6) on described, and one end of the close wheel of described rear arm (7) is connected with second steering swivel (15) of described the second steeraxle (14) by the second pull bar (16).
2. as claimed in claim 1 pair of flexible axle multi-axle steering running device structure, it is characterized in that, also comprise the attachment point (4) of four rectangular distributions, on described, draw flexible axle (5) and drop-down flexible axle (6) respectively by after described attachment point (4), be connected with the two ends of described front arm (3) and the two ends of described rear arm (7).
3. as claimed in claim 1 pair of flexible axle multi-axle steering running device structure, is characterized in that, also comprises:
Servo cylinder (9), is arranged on described vehicle frame (1) upper, and is connected with described rear arm (7).
4. as claimed in claim 1 pair of flexible axle multi-axle steering running device structure, is characterized in that, described rear arm (7) is arranged on described vehicle frame (1) by support (8).
5. as claimed in claim 1 pair of flexible axle multi-axle steering running device structure, is characterized in that, described the first pull bar (21) and described the second drag link (16) are drag link.
6. as claimed in claim 1 pair of flexible axle multi-axle steering running device structure, is characterized in that, draws flexible axle (5) and drop-down flexible axle (6) to be arranged with flexible shaft protecting on described.
7. as claimed in claim 1 pair of flexible axle multi-axle steering running device structure, is characterized in that, described the first steeraxle (20), the second steeraxle (14) and rear driving axle (12) are connected with described vehicle frame (1) by suspension respectively, are specially:
Described the first steeraxle (20) is connected with described vehicle frame (1) by steel spring (13);
Described the second steeraxle (14) is connected with described vehicle frame (1) by compound suspension frame;
Described rear driving axle (12) is connected with described vehicle frame (1) by steel spring (13).
8. as claimed in claim 7 pair of flexible axle multi-axle steering running device structure, is characterized in that, described compound suspension frame comprises:
Leaf spring (17), described leaf spring (17) two ends are connected with described vehicle frame (1) by hanger;
Flexible adjustment device (10), described flexible adjustment device (10) is positioned between leaf spring (17) and described vehicle frame (1);
Levelling valve (11) is carried in sense, is arranged on vehicle frame (1) upper, by detecting the load of drive axle and regulating described flexible adjustment device (10) highly, thus the load of adjusting the second steeraxle (14).
9. as claimed in claim 8 pair of flexible axle multi-axle steering running device structure, is characterized in that, described flexible adjustment device (10) is air bag.
10. an automobile with two flexible axle multi-axle steering running device structures, is characterized in that, comprises two flexible axle multi-axle steering running device structures as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210398279.4A CN103770837A (en) | 2012-10-18 | 2012-10-18 | Double-flexible-shaft multi-shaft steering running gear structure and automobile thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210398279.4A CN103770837A (en) | 2012-10-18 | 2012-10-18 | Double-flexible-shaft multi-shaft steering running gear structure and automobile thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103770837A true CN103770837A (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210398279.4A Pending CN103770837A (en) | 2012-10-18 | 2012-10-18 | Double-flexible-shaft multi-shaft steering running gear structure and automobile thereof |
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| Country | Link |
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| CN (1) | CN103770837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827841A (en) * | 2015-03-03 | 2015-08-12 | 诸城福田汽车科技开发有限公司 | Driving system and vehicle with same |
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| CN201400306Y (en) * | 2008-09-09 | 2010-02-10 | 中国船舶重工集团公司第七○二研究所 | Push-pull flexible shaft control mechanism |
| CN202115605U (en) * | 2011-06-03 | 2012-01-18 | 中国石化集团江汉石油管理局第四机械厂 | Quick removing trailer for large-scale derricks |
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|---|---|---|---|---|
| GB1127859A (en) * | 1966-07-13 | 1968-09-18 | Daimler Benz Ag | Improvements relating to pneumatic suspensions for vehicles |
| US3730549A (en) * | 1970-02-17 | 1973-05-01 | Wern C | Drop-axle suspension system |
| US4225148A (en) * | 1972-02-10 | 1980-09-30 | Aktiebolaget Svenska Kullagerfabriken | Steering systems |
| US4397478A (en) * | 1981-04-03 | 1983-08-09 | Paccar Inc. | Low-frequency-rate spring suspension system for a wheeled vehicle |
| FR2633220A1 (en) * | 1988-06-22 | 1989-12-29 | Sovam Ind | Vehicle suspension, particularly for a heavy vehicle |
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| CN201056161Y (en) * | 2005-04-28 | 2008-05-07 | 新疆机械研究院 | Hydrostatic loading driven vehicle control system |
| CN2830201Y (en) * | 2005-08-30 | 2006-10-25 | 尚华 | Autocar lift axial steering system |
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| CN201400306Y (en) * | 2008-09-09 | 2010-02-10 | 中国船舶重工集团公司第七○二研究所 | Push-pull flexible shaft control mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104827841A (en) * | 2015-03-03 | 2015-08-12 | 诸城福田汽车科技开发有限公司 | Driving system and vehicle with same |
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