CN105512422B - The acquisition methods and device of bridge steering trapezium base angle information before vehicle - Google Patents
The acquisition methods and device of bridge steering trapezium base angle information before vehicle Download PDFInfo
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Abstract
The invention discloses the acquisition methods and device of bridge steering trapezium base angle information before a kind of vehicle.Wherein, the acquisition methods include: to obtain bridge steering trapezium model before pre-set vehicle, wherein, bridge steering trapezium model is at least determined based on the relevant parameter of the vehicle building block information at bridge steering trapezium base angle and each vehicle building block information before vehicle before vehicle；The attribute value of the relevant parameter of each vehicle building block information is set；Based on bridge steering trapezium model before attribute value more new vehicle, more new model is obtained；The angle information at bridge steering trapezium base angle before reading vehicle in more new model.The present invention solves the technical issues of low efficiency at the trapezoidal base angle of bridge before existing acquisition.
Description
Technical field
The present invention relates to automobile front axle field, obtained in particular to bridge steering trapezium base angle information before a kind of vehicle
Take method and apparatus.
Background technique
In medium-weight vehicle, when complete vehicle structure, which is arranged, to be changed, preceding bridge positional parameter needs to redesign, and preceding bridge is trapezoidal
Base angle calculate be it is mutually coordinated with corresponding outer corner in preceding bridge maximum inside lock in order to realize, with reduce vehicle turn when
The phenomenon that grinding tire due to the outboard wheels caused by inside and outside corner is uncoordinated are trackslipped.The previous method for calculating preceding bridge maximum inside lock
It is to be calculated in such a way that then the fixed point that draws lines in CAD software measures to realize, this method changes in each structure size
It requires to draw again when change, causes intricate operation and the duplication of labour, computational efficiency is low.
Before above-mentioned acquisition aiming at the problem that low efficiency at bridge trapezoidal base angle, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides the acquisition methods and device of bridge steering trapezium base angle information before a kind of vehicle, at least
The technical issues of solving the low efficiency at the trapezoidal base angle of bridge before existing acquisition.
According to an aspect of an embodiment of the present invention, a kind of acquisition side of bridge steering trapezium base angle information before vehicle is provided
Method, the acquisition methods include: to obtain bridge steering trapezium model before pre-set vehicle, wherein bridge steering trapezium mould before vehicle
Association of the type at least based on the vehicle building block information at bridge steering trapezium base angle and each vehicle building block information before vehicle
Parameter and determine；The attribute value of the relevant parameter of each vehicle building block information is set；Based on bridge before attribute value more new vehicle
Steering trapezium model obtains more new model；The angle information at bridge steering trapezium base angle before reading vehicle in more new model.
Further, which includes: the maximum inside lock of vehicle, and each vehicle building block is arranged
The attribute value of the relevant parameter of information includes: the angle value for receiving the maximum inside lock of vehicle of input, by maximum inside lock
Attribute value of the angle value as maximum inside lock, wherein the relevant parameter of vehicle building block information includes maximum inside lock；?
From while reading the angle information at bridge steering trapezium base angle before vehicle in more new model, acquisition methods further include: from based on most
In the model that the attribute value of big inside lock updates, the angle of the outer corner of maximum of vehicle is read.
Further, before obtaining pre-set vehicle before bridge steering trapezium model, which includes: to obtain
Positional relationship between the characteristic information of each vehicle building block information and each vehicle building block information；Believed based on feature
Breath and positional relationship draw initial preceding bridge steering trapezium model；Using initial preceding bridge steering trapezium model, vehicle composition portion is set
The relevant parameter of part information generates bridge steering trapezium model before vehicle.
Further, the relevant parameter that vehicle building block information is arranged includes: that the tie-rod ball end centre of sphere is arranged to vehicle
The axial distance of center line be first distance L, and be arranged stub center away from presupposition multiple be first distance L；Drag link is set
The vertical range of the bulb centre of sphere to stub central point is second distance h；Drag link axis is set to the left and right stub line of centres
Longitudinal separation is third distance k；The a length of first length R of steering trapezoidal arm of bridge steering trapezium model before vehicle is set；Setting is horizontal
The position of the tie rod ball centre of sphere is sphere center position J, and the presupposition multiple that drag link length is arranged is the second length H, wherein association
Parameter includes: first distance L, second distance h, third distance k, the first length R, sphere center position J and the second length H.
Further, which includes: information, kingpin inclination, the vehicle center of stub central point
Line, the information of the tie-rod ball end centre of sphere, the drag link both ends bulb centre of sphere away from information and drag link axis into left and right stub
The relative position information of heart line.
Other side according to an embodiment of the present invention additionally provides a kind of obtaining for bridge steering trapezium base angle information before vehicle
Device is taken, which includes: acquisition module, for obtaining bridge steering trapezium model before pre-set vehicle, wherein vehicle
Preceding bridge steering trapezium model is at least based on the vehicle building block information at bridge steering trapezium base angle before vehicle and each vehicle group
It is determined at the relevant parameter of component information；Setup module, for the relevant parameter of each vehicle building block information to be arranged
Attribute value；Update module, for obtaining more new model based on bridge steering trapezium model before attribute value more new vehicle；Read module,
Angle information for the bridge steering trapezium base angle before reading vehicle in more new model.
Further, which includes: the maximum inside lock of vehicle, and setup module includes: reception mould
Block, the angle value of the maximum inside lock of vehicle for receiving input, using the angle value of maximum inside lock as maximum inside lock
Attribute value, wherein the relevant parameter of vehicle building block information includes maximum inside lock；Acquisition device further include: reading
Module from more new model read vehicle before bridge steering trapezium base angle angle information while, from the category based on maximum inside lock
Property the model that updates of value in, read the angle of the outer corner of maximum of vehicle.
Further, obtaining module includes: acquisition submodule, for the bridge steering trapezium before obtaining pre-set vehicle
Before model, the position obtained between the characteristic information of each vehicle building block information and each vehicle building block information is closed
System；Drafting module, for drawing initial preceding bridge steering trapezium model based on characteristic information and positional relationship；Processing module is used for
Using initial preceding bridge steering trapezium model, the relevant parameter of vehicle building block information is set, bridge steering trapezium before vehicle is generated
Model.
Further, setup module includes: the first setting submodule, for the tie-rod ball end centre of sphere to be arranged to vehicle center
The axial distance of line be first distance L, and be arranged stub center away from presupposition multiple be first distance L；Second setting submodule,
Vertical range for the tie-rod ball end centre of sphere to be arranged to stub central point is second distance h；Submodule is arranged in third, for setting
The longitudinal separation for setting drag link axis to the left and right stub line of centres is third distance k；4th setting submodule, for before vehicle
The a length of first length R of the steering trapezoidal arm of bridge steering trapezium model；5th setting submodule, the position for the tie-rod ball end centre of sphere
Be set to sphere center position J, and be arranged drag link length presupposition multiple be the second length H, wherein relevant parameter include: first away from
From L, second distance h, third distance k, the first length R, sphere center position J and the second length H.
Further, which includes: information, kingpin inclination, the vehicle center of stub central point
Line, the information of the tie-rod ball end centre of sphere, the drag link both ends bulb centre of sphere away from information and drag link axis into left and right stub
The relative position information of heart line.
In embodiments of the present invention, the vehicle group for having bridge steering trapezium base angle before vehicle by obtaining pre-set record
It is each by being arranged at bridge steering trapezium model before the vehicle of the relevant parameter of component information and each vehicle building block information
The attribute value of the relevant parameter of vehicle building block information can be read directly by the update of bridge steering trapezium model before vehicle
The angle information at bridge steering trapezium base angle before taking.Through the foregoing embodiment, change in the attribute information of each relevant parameter
When, without remaking relational graph according to the attribute value of each attribute information again, the work step of repetition mapping is avoided,
By the attribute value of the parameter of the variation in bridge steering trapezium model before modification vehicle, bridge steering ladder before vehicle can be directly read
The angle information at shape base angle calculates, it can be achieved that being repeated several times, and improves the convenient and efficient degree of operation, while also improving calculating essence
True efficiency solves the technical issues of low efficiency at the trapezoidal base angle of bridge before existing acquisition.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the process of the acquisition methods of bridge steering trapezium base angle information before a kind of vehicle according to an embodiment of the present invention
Figure；
Fig. 2 is the acquisition methods of bridge steering trapezium base angle information before a kind of optional vehicle according to an embodiment of the present invention
Schematic diagram；
Fig. 3 is the acquisition methods of bridge steering trapezium base angle information before another optional vehicle according to an embodiment of the present invention
Schematic diagram；And
Fig. 4 is the signal of the acquisition device of bridge steering trapezium base angle information before a kind of vehicle according to an embodiment of the present invention
Figure.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
According to embodiments of the present invention, a kind of implementation of the acquisition methods of bridge steering trapezium base angle information before vehicle is provided
Example, it should be noted that step shown in the flowchart of the accompanying drawings can be in the calculating of such as a group of computer-executable instructions
It is executed in machine system, although also, logical order is shown in flow charts, and it in some cases, can be to be different from
Sequence herein executes shown or described step.
Fig. 1 is the process of the acquisition methods of bridge steering trapezium base angle information before a kind of vehicle according to an embodiment of the present invention
Figure, as shown in Figure 1, the acquisition methods include the following steps:
Step S102 obtains bridge steering trapezium model before pre-set vehicle, wherein bridge steering trapezium model before vehicle
Association ginseng at least based on the vehicle building block information at bridge steering trapezium base angle and each vehicle building block information before vehicle
It counts and determines.
The attribute value of the relevant parameter of each vehicle building block information is arranged in step S104.
Step S106 obtains more new model based on bridge steering trapezium model before attribute value more new vehicle.
Step S108, the angle information at bridge steering trapezium base angle before reading vehicle in more new model.
Using the embodiment of the present invention, there is the vehicle group at bridge steering trapezium base angle before vehicle by the pre-set record of acquisition
It is each by being arranged at bridge steering trapezium model before the vehicle of the relevant parameter of component information and each vehicle building block information
The attribute value of the relevant parameter of vehicle building block information can be read directly by the update of bridge steering trapezium model before vehicle
The angle information at bridge steering trapezium base angle before taking.Through the foregoing embodiment, change in the attribute information of each relevant parameter
When, without remaking relational graph according to the attribute value of each attribute information again, the work step of repetition mapping is avoided,
By the attribute value of the parameter of the variation in bridge steering trapezium model before modification vehicle, bridge steering ladder before vehicle can be directly read
The angle information at shape base angle calculates, it can be achieved that being repeated several times, and improves the convenient and efficient degree of operation, while also improving calculating essence
True efficiency solves the technical issues of low efficiency at the trapezoidal base angle of bridge before existing acquisition.
Acquisition methods in through the foregoing embodiment can also lead to other than the angle information at available trapezoidal base angle
The acquisition methods are crossed to obtain the angle of the outer corner of maximum of vehicle.
In an alternative embodiment, the attribute value that the relevant parameter of each vehicle building block information is arranged can wrap
It includes: receiving the angle value of the maximum inside lock of the vehicle of input, using the angle value of maximum inside lock as the category of maximum inside lock
Property value, wherein the relevant parameter of vehicle building block information includes maximum inside lock；In the bridge before reading vehicle in more new model
While the angle information at steering trapezium base angle, the acquisition methods can also include: from the attribute value based on maximum inside lock more
In new model, the angle of the outer corner of maximum of vehicle is read.
It in the above-described embodiments, can be based on bridge steering trapezium model before pre-set vehicle and maximum inside lock
Numerical value, bridge steering trapezium model obtains the numerical value of the corresponding outer corner of maximum of this maximum inside lock before quick obtaining vehicle.
In another alternative embodiment, bridge turns before the step S102 of above-described embodiment obtains pre-set vehicle
To before trapezoid model, the acquisition methods further include: obtain the characteristic information and each vehicle of each vehicle building block information
Positional relationship between building block information；Initial preceding bridge steering trapezium model is drawn based on characteristic information and positional relationship；Benefit
With initial preceding bridge steering trapezium model, the relevant parameter of vehicle building block information is set, bridge steering trapezium mould before vehicle is generated
Type.
In the above-described embodiments, bridge steering trapezium model before vehicle can be pre-created, then pass through above-mentioned acquisition again
Method obtains the angle information at bridge steering trapezium base angle or the numerical value of maximum outer corner before vehicle.The bridge steering ladder before creating vehicle
When shape model, can first it obtain between the characteristic information of each vehicle building block information and each vehicle building block information
Positional relationship creates initial preceding bridge steering trapezium model based on above-mentioned characteristic information and positional relationship, then before this is initial
In bridge steering trapezium model, the relevant parameter of vehicle building block information is set, and then generates bridge steering trapezium model before vehicle.
Through the foregoing embodiment, it may be implemented once to create bridge steering trapezium model before vehicle, then each in the model by modifying
The attribute value of the relevant parameter of vehicle building block information mentions to obtain the angle information at bridge steering trapezium base angle before vehicle
The high efficiency obtained.
The operation of the relevant parameter of step S104 setting vehicle building block information in above-described embodiment may include: to set
Set the tie-rod ball end centre of sphere to vehicle centre-line axial distance be first distance L, and be arranged stub center away from presupposition multiple
For first distance L；The vertical range that the tie-rod ball end centre of sphere is arranged to stub central point is second distance h；Drag link axis is set
The longitudinal separation of line to the left and right stub line of centres is third distance k；The steering trapezium of bridge steering trapezium model before vehicle is set
Brachium is the first length R；The position that the tie-rod ball end centre of sphere is arranged is sphere center position J, and is arranged default times of drag link length
Number is the second length H, wherein relevant parameter includes: first distance L, second distance h, third distance k, the first length R, the centre of sphere
Position J and the second length H.
In the above-described embodiments, before getting vehicle after bridge steering trapezium model, can be arranged on the mold each
The relevant parameter of a vehicle part, such as above-mentioned first distance L, second distance h, third distance k, the first length R, sphere center position
Then its attribute value is arranged based on above-mentioned relevant parameter again in J and the second length H, when the attribute value and original attribute of setting
When being worth different, bridge steering trapezium mold sync updates the attribute value of each relevant parameter before the vehicle, i.e. in execution step S106
More new model, then from it is updated update model read vehicle before bridge steering trapezium base angle angle information.By above-mentioned
Embodiment can keep model intuitive and easy to understand, improve the simplification of operation by the attribute value of each relevant parameter of setting.
In one optionally embodiment, the attribute value of the distance between stub center and vehicle centre-line can be arranged
For the half of the distance at stub center；The attribute value of the longitudinal separation of the line of drag link axis to left and right stub center is arranged
For trapezoidal height.
Through the foregoing embodiment, the attribute value of each relevant parameter before vehicle in bridge steering trapezium model can be carried out
Constraint ensure that the accurate of the numerical value of the information at the trapezoidal base angle of preceding bridge of the acquisition outer corner of maximum corresponding with maximum inside lock
Property.
In another alternative embodiment, the step of attribute value of each vehicle building block breath is arranged can also wrap
Include: the relevant parameter before vehicle in bridge steering trapezium model for vehicle building block information marks its attribute value.
Through the foregoing embodiment, attribute value is marked in bridge steering trapezium model before vehicle, modification attribute value can be improved
The convenient degree of the information of the outer corner of maximum corresponding with maximum inside lock with the information for obtaining the preceding trapezoidal base angle of bridge, so that data are more
Add intuitive and easy to understand, easy to operate, efficiency greatly improves.
Vehicle building block information in above-described embodiment may include: the information of stub central point, kingpin inclination, vehicle
Center line, the information of the tie-rod ball end centre of sphere, the drag link both ends bulb centre of sphere away from information and drag link axis to left and right
The relative position information of the stub line of centres.
Bridge steering trapezium base angle before vehicle can be cleverly obtained by the information of above-mentioned vehicle building block in a model
Angle information, the complexity of simplified model may be implemented, its pass of the information acquisition based on simple several vehicle main components
Join parameter, so that the acquisition methods are easy to operate and intuitive and easy to understand.
The acquisition methods of bridge steering trapezium base angle information before the vehicle are introduced below with reference to Fig. 2 and Fig. 3.
Wherein, Fig. 3 is the partial enlarged view of Fig. 2, and as shown in Figures 2 and 3, bridge turns before obtaining pre-set vehicle first
It include for determining bridge steering trapezium bottom before vehicle to trapezoid model, before the vehicle in bridge steering trapezium model, in the model
The relevant parameter of the vehicle building block information at angle and each vehicle building block information, wherein vehicle building block packet
Included: vehicle centerline, such as the V reference axis in Fig. 2 and Fig. 3, the H1 in Fig. 2 and Fig. 3 indicates horizontal axis；Main pin axis table
It is shown as straight line AB, left side stub center is expressed as point I；The tie-rod ball end centre of sphere is as shown in the point J in Fig. 2 and Fig. 3, each vehicle
The relevant parameter of building block information may include: centre of sphere J to vehicle centerline axial distance be H (the second i.e. above-mentioned length
H), the vertical distance of centre of sphere J to stub central point is h (i.e. above-mentioned second distance h)；It crosses point J and is straight line CD perpendicular to straight line
AB intersection point is O；It crosses point O and is straight line MN perpendicular to ground；Straight line MN was point O and the straight line perpendicular to ground；Straight line AB with
Vertical line MN angle is kingpin inclination q；Make the straight line EF intersection point E perpendicular to MN；The distance of point J to straight line EF is drag link axis
To king pin axis longitudinal separation k (i.e. above-mentioned third distance k)；Point G is symmetrical relative to vehicle centerline and point E, is with point G
The center of circle is that radius work is justified with line segment EJ (the first i.e. above-mentioned length R)；Make line segment EP, and EP is equal to EJ, angle JEP is (that is, angle a)
For automobile maximum inside lock；It is Y, line segment using the intersection point that the length of drag link draws circle P, circle P and circle G as radius using point P as the center of circle
GX is symmetrical line segment of the EJ about vehicle centerline.
Before getting vehicle after bridge steering trapezium model, constrained for bridge steering trapezium model creation before the vehicle, i.e.,
It can set property for the relevant parameter of each vehicle building block information in model, specific practice is as follows: 1) can incite somebody to action
Line segment L be set as stub center away from half；2) the vertical distance of the tie-rod ball end centre of sphere to stub center can be labeled as
h；3) longitudinal separation of drag link axis to the left and right stub line of centres can be labeled as k；It 4) can be with bulb on the left of drag link
The centre of sphere is labeled as J, can set line segment H to the half of drag link length；5) steering trapezoidal arm can be set by line segment EJ
Long R.
Finally, calculating and obtaining as a result, the result includes: the angle information r at 1) bridge steering trapezium base angle before vehicle；2) angle
(i.e. angle b) is maximum inside lock (the i.e. corresponding outer corner of maximum of angle a) to XGY.
Bridge steering trapezium model can be by that can create 3-D graphic before pre-set vehicle in above-described embodiment
Software obtain, which includes at least one of: CATIA office software, PROE software and UG software etc..
Other side according to an embodiment of the present invention additionally provides a kind of obtaining for bridge steering trapezium base angle information before vehicle
Device is taken, as shown in figure 4, the acquisition device includes: to obtain module 20, setup module 40, update module 60 and read module
80。
Wherein, module 20 is obtained, for obtaining bridge steering trapezium model before pre-set vehicle, wherein bridge before vehicle
Steering trapezium model is at least based on the vehicle building block information at bridge steering trapezium base angle before vehicle and each vehicle building block
The relevant parameter of information and determine；Setup module 40, the attribute of the relevant parameter for each vehicle building block information to be arranged
Value；Update module 60, for obtaining more new model based on bridge steering trapezium model before attribute value more new vehicle；Read module 80,
Angle information for the bridge steering trapezium base angle before reading vehicle in more new model.
Using the embodiment of the present invention, there is the vehicle group at bridge steering trapezium base angle before vehicle by the pre-set record of acquisition
It is each by being arranged at bridge steering trapezium model before the vehicle of the relevant parameter of component information and each vehicle building block information
The attribute value of the relevant parameter of vehicle building block information can be read directly by the update of bridge steering trapezium model before vehicle
The angle information at bridge steering trapezium base angle before taking.Through the foregoing embodiment, change in the attribute information of each relevant parameter
When, without remaking relational graph according to the attribute value of each attribute information again, the work step of repetition mapping is avoided,
By the attribute value of the parameter of the variation in bridge steering trapezium model before modification vehicle, bridge steering ladder before vehicle can be directly read
The angle information at shape base angle calculates, it can be achieved that being repeated several times, and improves the convenient and efficient degree of operation, while also improving calculating essence
True efficiency solves the technical issues of low efficiency at the trapezoidal base angle of bridge before existing acquisition.
Setup module in above-described embodiment includes: receiving module, the maximum inside lock of vehicle for receiving input
Angle value, using the angle value of maximum inside lock as the attribute value of maximum inside lock, wherein the association of vehicle building block information
Parameter includes maximum inside lock；Acquisition device further include: read module from more new model read vehicle before bridge steering trapezium
While the angle information at base angle, from the model that the attribute value based on maximum inside lock updates, reads and turn outside the maximum of vehicle
The angle at angle.
It in the above-described embodiments, can be based on bridge steering trapezium model before pre-set vehicle and maximum inside lock
Numerical value, bridge steering trapezium model obtains the numerical value of the corresponding outer corner of maximum of this maximum inside lock before quick obtaining vehicle.
In an alternative embodiment, obtaining module may include: acquisition submodule, for pre-set in acquisition
Before vehicle before bridge steering trapezium model, the characteristic information and each vehicle building block of each vehicle building block information are obtained
Positional relationship between information；Drafting module, for drawing initial preceding bridge steering trapezium mould based on characteristic information and positional relationship
Type；Processing module, for the relevant parameter of vehicle building block information being arranged, generates using initial preceding bridge steering trapezium model
Bridge steering trapezium model before vehicle.
In the above-described embodiments, bridge steering trapezium model before vehicle can be pre-created, then pass through above-mentioned acquisition again
Method obtains the angle information at bridge steering trapezium base angle or the numerical value of maximum outer corner before vehicle.The bridge steering ladder before creating vehicle
When shape model, can first it obtain between the characteristic information of each vehicle building block information and each vehicle building block information
Positional relationship creates initial preceding bridge steering trapezium model based on above-mentioned characteristic information and positional relationship, then before this is initial
In bridge steering trapezium model, the relevant parameter of vehicle building block information is set, and then generates bridge steering trapezium model before vehicle.
Through the foregoing embodiment, it may be implemented once to create bridge steering trapezium model before vehicle, then each in the model by modifying
The attribute value of the relevant parameter of vehicle building block information mentions to obtain the angle information at bridge steering trapezium base angle before vehicle
The high efficiency obtained.
Optionally, setup module includes: the first setting submodule, for the tie-rod ball end centre of sphere to be arranged to vehicle centre-line
Axial distance be first distance L, and be arranged stub center away from presupposition multiple be first distance L；Second setting submodule, is used
In setting the tie-rod ball end centre of sphere to stub central point vertical range be second distance h；Submodule is arranged in third, for being arranged
The longitudinal separation of drag link axis to the left and right stub line of centres is third distance k；4th setting submodule, for bridge before vehicle
The a length of first length R of the steering trapezoidal arm of steering trapezium model；5th setting submodule, the position for the tie-rod ball end centre of sphere
For sphere center position J, and the presupposition multiple that drag link length is arranged is the second length H, wherein relevant parameter includes: first distance
L, second distance h, third distance k, the first length R, sphere center position J and the second length H.
In the above-described embodiments, before getting vehicle after bridge steering trapezium model, can be arranged on the mold each
The relevant parameter of a vehicle part, such as above-mentioned first distance L, second distance h, third distance k, the first length R, sphere center position
Then its attribute value is arranged based on above-mentioned relevant parameter again in J and the second length H, when the attribute value and original attribute of setting
When being worth different, bridge steering trapezium mold sync updates the attribute value of each relevant parameter before the vehicle, i.e. in execution step S106
More new model, then from it is updated update model read vehicle before bridge steering trapezium base angle angle information.By above-mentioned
Embodiment can keep model intuitive and easy to understand, improve the simplification of operation by the attribute value of each relevant parameter of setting.
Optionally, vehicle building block information includes: information, kingpin inclination, the vehicle centre-line, cross of stub central point
The information of the tie rod ball centre of sphere, the drag link both ends bulb centre of sphere away from information and drag link axis to the left and right stub line of centres
Relative position information.
Bridge steering trapezium base angle before vehicle can be cleverly obtained by the information of above-mentioned vehicle building block in a model
Angle information, the complexity of simplified model may be implemented, its pass of the information acquisition based on simple several vehicle main components
Join parameter, so that the acquisition methods are easy to operate and intuitive and easy to understand.
In order to improve computational efficiency, the unnecessary duplication of labour is reduced, with CATIA software modeling and constraint item can be added
The method of part, by once modeling and adding, constraint condition realizes repeatedly calculating and method intuitive and easy to understand realization efficiently calculates.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. the acquisition methods of bridge steering trapezium base angle information before a kind of vehicle characterized by comprising
Obtain bridge steering trapezium model before pre-set vehicle, wherein bridge steering trapezium model is at least based on before the vehicle
The relevant parameter of the vehicle building block information at bridge steering trapezium base angle and each vehicle building block information before vehicle and determine；
The attribute value of the relevant parameter of each vehicle building block information is set；
Based on bridge steering trapezium model before the attribute value update vehicle, more new model is obtained；
The angle information at bridge steering trapezium base angle before reading the vehicle in the more new model；
Wherein, before obtaining pre-set vehicle before bridge steering trapezium model, the acquisition methods include:
Obtain the position between the characteristic information of each vehicle building block information and each vehicle building block information
Set relationship；
Initial preceding bridge steering trapezium model is drawn based on the characteristic information and the positional relationship；
Using it is described it is initial before bridge steering trapezium model, the relevant parameter of the vehicle building block information is set, described in generation
Bridge steering trapezium model before vehicle.
2. acquisition methods according to claim 1, which is characterized in that the pass of each vehicle building block information of setting
Connection parameter attribute value include:
The angle value for receiving the maximum inside lock of the vehicle of input, as described in most using the angle value of the maximum inside lock
The attribute value of big inside lock, wherein the relevant parameter of the vehicle building block information includes the maximum inside lock；
While from the angle information at bridge steering trapezium base angle before the vehicle is read in the more new model, the acquisition side
Method further include: from the model that the attribute value based on the maximum inside lock updates, read the outer corner of maximum of the vehicle
Angle.
3. acquisition methods according to claim 1, which is characterized in that the association ginseng of the vehicle building block information is arranged
Number includes:
Be arranged the tie-rod ball end centre of sphere to vehicle centre-line axial distance be first distance L, and be arranged stub center away from it is pre-
If multiple is the first distance L；
The vertical range that the tie-rod ball end centre of sphere is arranged to stub central point is second distance h；
The longitudinal separation that drag link axis is arranged to the left and right stub line of centres is third distance k；
The a length of first length R of steering trapezoidal arm of bridge steering trapezium model before the vehicle is set；
The position that the tie-rod ball end centre of sphere is arranged is sphere center position J, and the presupposition multiple that drag link length is arranged is second
Length H,
Wherein, the relevant parameter includes: the first distance L, the second distance h, the third distance k, described first
Length R, the sphere center position J and the second length H.
4. acquisition methods as claimed in any of claims 1 to 3, which is characterized in that the vehicle building block letter
Breath includes: information, kingpin inclination, vehicle centre-line, the information of the tie-rod ball end centre of sphere, drag link both ends of stub central point
The bulb centre of sphere away from information and drag link axis to the left and right stub line of centres relative position information.
5. the acquisition device of bridge steering trapezium base angle information before a kind of vehicle characterized by comprising
Module is obtained, for obtaining bridge steering trapezium model before pre-set vehicle, wherein bridge steering trapezium before the vehicle
Pass of the model at least based on the vehicle building block information at bridge steering trapezium base angle and each vehicle building block information before vehicle
Join parameter and determines；
Setup module, the attribute value of the relevant parameter for each vehicle building block information to be arranged；
Update module, for obtaining more new model based on bridge steering trapezium model before the attribute value update vehicle；
Read module, the angle information for the bridge steering trapezium base angle before reading the vehicle in the more new model；
Wherein, the acquisition module includes:
Acquisition submodule obtains each vehicle before the bridge steering trapezium model before obtaining pre-set vehicle
Positional relationship between the characteristic information of building block information and each vehicle building block information；
Drafting module, for drawing initial preceding bridge steering trapezium model based on the characteristic information and the positional relationship；
Processing module, for the association of the vehicle building block information to be arranged using the initial preceding bridge steering trapezium model
Parameter generates bridge steering trapezium model before the vehicle.
6. acquisition device according to claim 5, which is characterized in that the setup module includes:
Receiving module, the angle value of the maximum inside lock of the vehicle for receiving input, by the angle of the maximum inside lock
Attribute value of the angle value as the maximum inside lock, wherein the relevant parameter of the vehicle building block information include it is described most
Big inside lock；
The acquisition device further include: in the read module before reading the vehicle in the more new model bridge steering trapezium
While the angle information at base angle, from the model that the attribute value based on the maximum inside lock updates, the vehicle is read
The angle of maximum outer corner.
7. acquisition device according to claim 5, which is characterized in that the setup module includes:
First setting submodule, the axial distance for the tie-rod ball end centre of sphere to be arranged to vehicle centre-line are first distance L, and
Be arranged stub center away from presupposition multiple be the first distance L；
Second setting submodule, the vertical range for the tie-rod ball end centre of sphere to be arranged to stub central point are second distance
h；
Submodule is arranged in third, and the longitudinal separation for drag link axis to be arranged to the left and right stub line of centres is third distance k；
4th setting submodule, a length of first length R of steering trapezoidal arm for bridge steering trapezium model before the vehicle；
5th setting submodule, the position for the tie-rod ball end centre of sphere is sphere center position J, and drag link length is arranged
Presupposition multiple is the second length H,
Wherein, the relevant parameter includes: the first distance L, second distance h, third distance k, the first length R, centre of sphere position
Set J and the second length H.
8. the acquisition device according to any one of claim 5 to 7, which is characterized in that the vehicle building block letter
Breath includes: information, kingpin inclination, vehicle centre-line, the information of the tie-rod ball end centre of sphere, drag link both ends of stub central point
The bulb centre of sphere away from information and drag link axis to the left and right stub line of centres relative position information.
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