CN109606468A - A kind of steering link structure - Google Patents

A kind of steering link structure Download PDF

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Publication number
CN109606468A
CN109606468A CN201811642984.8A CN201811642984A CN109606468A CN 109606468 A CN109606468 A CN 109606468A CN 201811642984 A CN201811642984 A CN 201811642984A CN 109606468 A CN109606468 A CN 109606468A
Authority
CN
China
Prior art keywords
rod
steering
connecting rod
knuckle arm
groups
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
Application number
CN201811642984.8A
Other languages
Chinese (zh)
Inventor
孙俊达
王泽康
韩亮波
蒋超
李书涵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd
Original Assignee
AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd filed Critical AEROSPACE HEAVY ENGINEERING EQUIPMENT Co Ltd
Priority to CN201811642984.8A priority Critical patent/CN109606468A/en
Publication of CN109606468A publication Critical patent/CN109606468A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/16Arrangement of linkage connections

Abstract

The invention discloses a kind of steering link structures, the structure includes multi-connecting-rod mechanism, the multi-connecting-rod mechanism is two groups be arranged symmetrically, one end of two groups of multi-connecting-rod mechanisms is hinged with vehicle frame, the other end of two groups of multi-connecting-rod mechanisms is connected with two pivot studs correspondingly respectively, and the pivot stud with deflecting roller for being connected;Middle tranverse connecting rod, two groups of multi-connecting-rod mechanisms are respectively hinged with wherein the middle cross connecting rod respectively with the hinged one end of vehicle frame.Steering link structure provided by the present application, using multi link steering mechanism, each connecting rod size is short and small, and light-weight, structural stability is good, is easily assembled maintenance;The steering collaboration of multi link steering mechanism is compound by multiple groups steering trapezium, and it is higher to turn to collaboration precision;Using multi link steering mechanism, each connecting rod can be horizontally disposed, can interfere to avoid staggered floor.

Description

A kind of steering link structure
Technical field
The present invention relates to steering mechanism's technical field, it is suitable for multiaxis U-shaped framework vehicle with connecting more particularly to one kind more Bar steering link structure.
Background technique
It is theoretical by running car it is found that the corner of when motor turning inside and outside wheel should have certain proportionate relationship, this ratio Example relationship is generally realized by tie rod linkage.Steering trapezium has Integral steering mechanism and breakaway-element steering mechanism two big Class.
Integral steering mechanism, i.e. steering tranverse connecting rod are monoblock type, and steering actuation cylinder pushes wheel to realize go to action, this Kind mode structure is simple, reliable.Breakaway-element steering mechanism, i.e. steering tranverse connecting rod are divided into two, are connected by zero turn radius disk, turned Zero turn radius disk or wheel are pushed to servo-cylinder, and then coordinates tranverse connecting rod movement, realizes go to action, such mode focal point More, structure is complicated.
Designed using Integral steering mechanism, vehicle is wider, and tranverse connecting rod length is longer, tranverse connecting rod weight is big and stability compared with Difference, while biggish knuckle arm outer dimension is needed, more, performance difficulty is interfered in motor coordination;Using zero turn radius disc type Steering mechanism, for point universal time coordinated there are point intersection, corresponding two tranverse connecting rods need staggered floor, and when motor coordination easily interferes.
Summary of the invention
The present invention provides a kind of steering link structures.It is turned to for a kind of multi link suitable for multiaxis U-shaped framework vehicle Mechanism.
The present invention provides following schemes:
A kind of steering link structure, comprising:
Multi-connecting-rod mechanism, the multi-connecting-rod mechanism are two groups be arranged symmetrically, and one end of two groups of multi-connecting-rod mechanisms is and vehicle Frame is hinged, and the other end of two groups of multi-connecting-rod mechanisms is connected with two pivot studs correspondingly respectively, and the pivot stud is used It is connected in deflecting roller;
Middle tranverse connecting rod, two groups of multi-connecting-rod mechanisms are respectively hinged with wherein the middle cross connecting rod respectively with the hinged one end of vehicle frame.
Preferably: the multi-connecting-rod mechanism is four-bar mechanism.
Preferably: the four-bar mechanism includes the first knuckle arm, side tranverse connecting rod and the second knuckle arm;Described The middle part of one knuckle arm is connected with the pivot stud;One end of one end of the side tranverse connecting rod and first knuckle arm Hingedly, one end of the other end and second knuckle arm is hinged;The other end and vehicle frame of second knuckle arm are hinged.
Preferably: the side tranverse connecting rod and wherein the middle cross connecting rod passes through link pin respectively and second knuckle arm is same The heart is connected.
Preferably: the other end of second knuckle arm is hinged by joint arm pin and vehicle frame.
Preferably: the multi-connecting-rod mechanism connect one end with the pivot stud and is connected with steering cylinder.
The specific embodiment provided according to the present invention, the invention discloses following technical effects:
By the invention it is possible to realize a kind of steering link structure, in an implementation mode, which may include more Link mechanism, the multi-connecting-rod mechanism are two groups be arranged symmetrically, and one end of two groups of multi-connecting-rod mechanisms is hinged with vehicle frame, two groups The other end of multi-connecting-rod mechanism is connected with two pivot studs correspondingly respectively, and the pivot stud is used for and deflecting roller phase Even;Middle tranverse connecting rod, two groups of multi-connecting-rod mechanisms are respectively hinged with wherein the middle cross connecting rod respectively with the hinged one end of vehicle frame.The application provides Steering link structure, using multi link steering mechanism, each connecting rod size is short and small, and light-weight, structural stability is good, is easy to fill With maintenance;The steering collaboration of multi link steering mechanism is compound by multiple groups steering trapezium, and it is higher to turn to collaboration precision;Turned using multi link To mechanism, each connecting rod can be horizontally disposed, can interfere to avoid staggered floor.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of multi-connecting-rod mechanism provided in an embodiment of the present invention;
Fig. 2 is the main view of steering link structure provided in an embodiment of the present invention;
Fig. 3 is the top view of steering link structure provided in an embodiment of the present invention.
In figure: vehicle frame 1, pivot stud 2, middle tranverse connecting rod 3, the first knuckle arm 4, side tranverse connecting rod 5, the second knuckle arm 6, Link pin 7, joint arm pin 8, steering cylinder 9.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art's every other embodiment obtained belong to what the present invention protected Range.
Embodiment
It is a kind of steering link structure provided in an embodiment of the present invention referring to Fig. 1, Fig. 2, Fig. 3, it as shown in Figure 1 and Figure 2, should Structure includes multi-connecting-rod mechanism, and the multi-connecting-rod mechanism is two groups be arranged symmetrically, and two groups of multi-connecting-rod mechanisms respectively distinguish by one end Hinged with vehicle frame 1, the respective other end is connected with two pivot studs 2 respectively;
Middle tranverse connecting rod 3, two groups of multi-connecting-rod mechanisms are respectively hinged with wherein the middle cross connecting rod 3 respectively with the hinged one end of vehicle frame 1;
Wherein a multi-connecting-rod mechanism is acted in the case where coupled pivot stud 2 drives, and is driven by wherein the middle cross connecting rod 3 Another multi-connecting-rod mechanism movement, so that another multi-connecting-rod mechanism drives coupled pivot stud to act and then realizes two wheels Go to action.
Further, the multi-connecting-rod mechanism is four-bar mechanism.The four-bar mechanism include the first knuckle arm 4, Side tranverse connecting rod 5 and the second knuckle arm 6;The middle part of first knuckle arm 4 is connected with the pivot stud 2;The side One end of tranverse connecting rod 5 and one end of first knuckle arm 4 are hinged, and one end of the other end and second knuckle arm 6 is cut with scissors It connects;The other end and vehicle frame 1 of second knuckle arm 6 are hinged.The side tranverse connecting rod 5 and wherein the middle cross connecting rod 3 pass through company Lever pin 7 with second knuckle arm 6 is concentric is connected.The other end of second knuckle arm 6 passes through joint arm pin 8 and vehicle frame 1 Hingedly.
Specifically, two groups of multi-connecting-rod mechanisms respectively connect with the pivot stud 2 one end respectively with two steering cylinders 9 It is connected.
In order to facilitate understanding, below by taking two groups of four-bar mechanisms as an example, it is divided into two groups of left and right and is illustrated, as shown in Figure 3.
Wherein,
Left four-bar mechanism includes the second knuckle arm 6a of a left side the first knuckle arm 4a, left side tranverse connecting rod 5a and a left side;It is left First knuckle arm 4a is connected with left steering stub 2a and left side tranverse connecting rod 5a respectively, and the second knuckle arm 6a of a left side passes through left company Lever pin 7a and left side tranverse connecting rod 5a and middle tranverse connecting rod 3 is concentric is connected, the second knuckle arm 6a of a left side passes through left joint arm pin 8a and vehicle Frame 1 is connected.The first knuckle arm 4a of a left side is connected with left steering stub 2a, and left steering stub 4a is connected with left steering wheel.
Right four-bar mechanism includes the second knuckle arm 6b of the right side the first knuckle arm 4b, right side tranverse connecting rod 5b and the right side;It is right First knuckle arm 4b is connected with right turn stub 2b and right side tranverse connecting rod 5b respectively, and the second knuckle arm 6b of the right side passes through right company Lever pin 7b and right side tranverse connecting rod 5b and middle tranverse connecting rod 3 is concentric is connected, the second knuckle arm 6b of the right side passes through right joint arm pin 8b and vehicle Frame 1 is connected.The first knuckle arm 4b of the right side is connected with right turn stub 2b, and right turn stub 2b is connected with right turn wheel.
The first knuckle arm 4a of a left side and the right first mutually symmetrical structure of knuckle arm 4b, second knuckle arm 6a of left side and the right side the The two mutually symmetrical structures of knuckle arm 6b.
The second knuckle arm 6a of a left side is connect by left side tranverse connecting rod 5a, left connecting rod pin 7a with the first knuckle arm 4a of a left side and structure At four-bar mechanism, the second knuckle arm 6b of the right side is connect by right side tranverse connecting rod 5b, right connecting rod pin 7b with the first knuckle arm 4b of the right side And four-bar mechanism is constituted, the second knuckle arm 6b of the right side is connect simultaneously by middle tranverse connecting rod 3, link pin 7 with the second knuckle arm 6a of a left side Constitute four-bar mechanism.
When in use, diverter can drive left steering stub 2a to rotate to the structure, and left steering stub 2a drives a left side first Knuckle arm 4a rotation drives a left side the by left side tranverse connecting rod 5a and left connecting rod pin 7a when first knuckle arm 4a of left side rotation Two knuckle arm 6a rotation, the second knuckle arm 6a of a left side drive right second knuckle arm by middle tranverse connecting rod 3 and left connecting rod pin 7a 6b rotation, the second knuckle arm 6b of the right side drive the first knuckle arm 4b of right side rotation by right side tranverse connecting rod 5b and right connecting rod pin 7b, The first knuckle arm 4b of the right side drives right turn stub 2b rotation, and then completes vehicle revolver and right wheel go to action.It needs to illustrate Book, in practical applications, diverter can drive right turn stub to rotate and then transmit the steering for realizing wheel to the left, realize Mode is identical as aforesaid way, and details are not described herein.
In short, steering link structure provided by the present application, using multi link steering mechanism, each connecting rod size is short and small, weight Amount is light, and structural stability is good, is easily assembled maintenance;Multi link steering mechanism, which turns to, cooperates with, steering compound by multiple groups steering trapezium Cooperate with precision higher;Using multi link steering mechanism, each connecting rod can be horizontally disposed, can interfere to avoid staggered floor.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention It is interior.

Claims (6)

1. a kind of steering link structure characterized by comprising
Multi-connecting-rod mechanism, the multi-connecting-rod mechanism are two groups be arranged symmetrically, and one end of two groups of multi-connecting-rod mechanisms is cut with scissors with vehicle frame Connect, the other end of two groups of multi-connecting-rod mechanisms is connected with two pivot studs correspondingly respectively, the pivot stud be used for Deflecting roller is connected;
Middle tranverse connecting rod, two groups of multi-connecting-rod mechanisms are respectively hinged with wherein the middle cross connecting rod respectively with the hinged one end of vehicle frame.
2. steering link structure according to claim 1, which is characterized in that the multi-connecting-rod mechanism is four-bar mechanism.
3. steering link structure according to claim 2, which is characterized in that the four-bar mechanism includes the first knuckle Arm, side tranverse connecting rod and the second knuckle arm;The middle part of first knuckle arm is connected with the pivot stud;The side is horizontal One end of connecting rod and one end of first knuckle arm are hinged, and one end of the other end and second knuckle arm is hinged;Institute The other end and the vehicle frame for stating the second knuckle arm are hinged.
4. steering link structure according to claim 3, which is characterized in that the side tranverse connecting rod and wherein the middle cross connecting rod Respectively by link pin with second knuckle arm is concentric is connected.
5. steering link structure according to claim 3, which is characterized in that the other end of second knuckle arm passes through Joint arm pin and vehicle frame are hinged.
6. steering link structure according to claim 1, which is characterized in that the multi-connecting-rod mechanism and the pivot stud Connection one end is connected with steering cylinder.
CN201811642984.8A 2018-12-29 2018-12-29 A kind of steering link structure Pending CN109606468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811642984.8A CN109606468A (en) 2018-12-29 2018-12-29 A kind of steering link structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811642984.8A CN109606468A (en) 2018-12-29 2018-12-29 A kind of steering link structure

Publications (1)

Publication Number Publication Date
CN109606468A true CN109606468A (en) 2019-04-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110254558A (en) * 2019-06-27 2019-09-20 航天重型工程装备有限公司 A kind of integral frame-type carrier
CN111452867A (en) * 2020-04-23 2020-07-28 航天重型工程装备有限公司 All-wheel steering composite linkage mechanism

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Publication number Priority date Publication date Assignee Title
DE4122690A1 (en) * 1990-07-27 1992-01-30 Toyota Motor Co Ltd Suspension for steered vehicle wheel - makes use of sensor signal to give stability on curves
CN201347126Y (en) * 2008-12-16 2009-11-18 上海科曼车辆部件系统有限公司 Bent ball joint steering system for light and medium vehicles
CN201415706Y (en) * 2009-01-22 2010-03-03 上海锦奔汽车系统有限公司 Steering system for air independent suspension
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* Cited by examiner, † Cited by third party
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DE4122690A1 (en) * 1990-07-27 1992-01-30 Toyota Motor Co Ltd Suspension for steered vehicle wheel - makes use of sensor signal to give stability on curves
JP4928924B2 (en) * 2006-12-08 2012-05-09 三菱重工業株式会社 Steering device for wheeled vehicle
CN201347126Y (en) * 2008-12-16 2009-11-18 上海科曼车辆部件系统有限公司 Bent ball joint steering system for light and medium vehicles
CN201415706Y (en) * 2009-01-22 2010-03-03 上海锦奔汽车系统有限公司 Steering system for air independent suspension
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CN107010110A (en) * 2017-04-14 2017-08-04 北京航天发射技术研究所 A kind of big axle load chassis doube bridge steering
CN206984119U (en) * 2017-06-21 2018-02-09 湖北三江航天万山特种车辆有限公司 It is a kind of can split flat bed trailer vehicle frame steering

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110254558A (en) * 2019-06-27 2019-09-20 航天重型工程装备有限公司 A kind of integral frame-type carrier
CN110254558B (en) * 2019-06-27 2022-02-22 航天重型工程装备有限公司 Integral frame type carrier
CN111452867A (en) * 2020-04-23 2020-07-28 航天重型工程装备有限公司 All-wheel steering composite linkage mechanism
CN111452867B (en) * 2020-04-23 2021-06-15 航天重型工程装备有限公司 All-wheel steering composite linkage mechanism

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Application publication date: 20190412