CN109606468A - A kind of steering link structure - Google Patents
A kind of steering link structure Download PDFInfo
- 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
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- CN
- China
- Prior art keywords
- rod
- steering
- connecting rod
- knuckle arm
- groups
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- 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.)
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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
- B62D7/16—Arrangement 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
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.
Priority Applications (1)
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CN201811642984.8A CN109606468A (en) | 2018-12-29 | 2018-12-29 | A kind of steering link structure |
Applications Claiming Priority (1)
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CN201811642984.8A CN109606468A (en) | 2018-12-29 | 2018-12-29 | A kind of steering link structure |
Publications (1)
Publication Number | Publication Date |
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CN109606468A true CN109606468A (en) | 2019-04-12 |
Family
ID=66015966
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CN201811642984.8A Pending CN109606468A (en) | 2018-12-29 | 2018-12-29 | A kind of steering link structure |
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CN (1) | CN109606468A (en) |
Cited By (2)
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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Cited By (4)
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 |