The content of the invention
It is existing to solve it is a primary object of the present invention to provide a kind of stabilizer bar connecting bar and its manufacture method and vehicle
Use analogy method in technology carries out the not accurate enough problem of design of stabilizer bar connecting bar.
To achieve these goals, according to an aspect of the invention, there is provided a kind of manufacturer of stabilizer bar connecting bar
Method, stabilizer bar connecting bar includes mobile jib and the head rod that be connected with mobile jib and the second connecting rod, and head rod passes through the
One bulb joint is connected with mobile jib, and the second connecting rod is connected by the second bulb joint with mobile jib, and head rod has vertical
Put in the first start bit of mobile jib, the second connecting rod has the second original position perpendicular to mobile jib;Head rod has phase
The extreme position for reaching maximum offset is put to first start bit, when head rod is in positioned at the state of extreme position,
Second connecting rod is located at cooperation position;Manufacture method includes:When head rod is located at extreme position, the axle of head rod
Line is A1 with the complementary angle of the maximum acute angle of the axis of mobile jib;When the second connecting rod is located at cooperation position, the second connecting rod
The complementary angle of maximum acute angle of axis of axis and mobile jib be A2;When head rod is located at extreme position and the second connection
When bar is located at cooperation position, the projection of the axis of head rod in the plane perpendicular to the axis of mobile jib and the second connecting rod
Projection of the axis in the plane perpendicular to the axis of mobile jib between acute angle be C;Compare A1 tangent value square
The difference of the square value of the tangent value of value and A2 and the tangent value of C square are worth to comparative result, are determined according to comparative result
The swing extreme value W1 of the first bulb joint;It is steady to obtain that swing extreme value W1 according to the first bulb joint manufactures the first bulb joint
Fixed pole connecting rod.
Further, the swing extreme value W1 for determining the first bulb joint according to comparative result includes:Work as tg2A1≥tg2A2+
tg2During C, the swing extreme value W1 of the first bulb joint is equal with A1.
Further, the swing extreme value W1 for determining the first bulb joint according to comparative result includes:Work as tg2A2≥tg2A1+
tg2During C, the swing extreme value W1 of the first bulb joint is equal with A2.
Further, the swing extreme value W1 for determining the first bulb joint according to comparative result includes:The axis of mobile jib and
Plane where the axis of the ball seat of one ball-joint is principal plane, what the axis of the axis of mobile jib and the first bulb joint was constituted
Plane is plane 1, and the plane that the axis of the axis of mobile jib and the second bulb joint is constituted is plane 2, set θ as principal plane from
The angle that plane 1 is rotated to the direction of plane 2;As │ tg2A1-tg2A2│≤tg2During C, the swing extreme value W1 roots of the first bulb joint
Drawn according to below equation:
tg2W1=tg2θ+csc2θtg2A1;
θ draws according to below equation:
tg2θ+csc2θtg2A1=tg2(C-θ)+csc2(C-θ)tg2A2。
Further, the swing extreme value W2 of the second bulb joint is identical with the swing extreme value W1 of the first bulb joint.
According to another aspect of the present invention, there is provided a kind of stabilizer bar connecting bar, including mobile jib and be connected with mobile jib
One connecting rod and the second connecting rod, head rod are connected by bulb joint with mobile jib;Characterized in that, stabilizer bar connecting bar
Manufactured by the manufacture method of above-mentioned stabilizer bar connecting bar.
Further, the first start bit of head rod is put bearing of trend and the second original position of the second connecting rod
Bearing of trend it is parallel.
Further, it is characterised in that the plane in the axis perpendicular to mobile jib of head rod and the second connecting rod
On motion mutually link.
According to another aspect of the present invention, there is provided a kind of vehicle, including suspension system, suspension system connects including stabiliser bar
Extension bar, it is characterised in that stabilizer bar connecting bar is above-mentioned stabilizer bar connecting bar or the system according to above-mentioned stabilizer bar connecting bar
Method manufacture is made to obtain.
Further, suspension system includes damper and stabiliser bar, and the head rod of stabilizer bar connecting bar and second connect
Extension bar connects damper and stabiliser bar respectively;And/or, suspension system includes swing arm and stabiliser bar, the first of stabilizer bar connecting bar
Connecting rod and the second connecting rod connect swing arm and stabiliser bar respectively.
Apply the technical scheme of the present invention, compared to data obtained from the analogue measurement carried out in CATIA motions
It is more accurate, therefore the swing extreme value W1 of the first bulb joint is more nearly actual value, accuracy is improved, by such scheme
The stabilizer bar connecting bar for designing and producing possesses more preferable adaptability and stability.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
According to an aspect of the invention, there is provided a kind of manufacture method of stabilizer bar connecting bar, wherein stabiliser bar are connected
As shown in Figures 1 to 4, the stabilizer bar connecting bar includes that mobile jib 10 and the head rod 20 and second being connected with mobile jib 10 are connected to bar
Bar 30, head rod 20 is connected by the first bulb joint with mobile jib 10, the second connecting rod 30 by the second bulb joint with
Mobile jib 10 is connected, and head rod 20 has to be put perpendicular to the first start bit of mobile jib 10, the second connecting rod 30 have perpendicular to
Second original position of mobile jib 10;There is head rod 20 relative first start bit to put the limit position for reaching maximum offset
Put, when head rod 20 is in positioned at the state of extreme position, the second connecting rod 30 is located at cooperation position;When the first connection
When bar 20 is located at extreme position, the axis of head rod 20 is A1 with the complementary angle of the maximum acute angle of the axis of mobile jib 10;
When the second connecting rod 30 is located at cooperation position, the maximum acute angle of the axis of the second connecting rod 30 and the axis of mobile jib 10
Complementary angle is A2;When head rod 20 is located at extreme position and the second connecting rod 30 is located at cooperation position, head rod 20
Projection of the axis in the plane perpendicular to the axis of mobile jib 10 with the axis of the second connecting rod 30 perpendicular to mobile jib 10
The acute angle between projection in the plane of axis is C;Compare the difference and the tangent of C of the tangent value of A1 and the tangent value of A2
Comparative result is worth to, the swing extreme value W1 of the first bulb joint is determined according to comparative result;According to the pendulum of the first bulb joint
Dynamic extreme value W1 manufactures the first bulb joint to obtain stabilizer bar connecting bar.
As can be seen that the swing extreme value W1 of the first bulb joint is determined by the relation of multiple numerical value from such scheme, wrap
Include when head rod 20 is located at extreme position, the maximum acute angle of the axis of head rod 20 and the axis of mobile jib 10
Complementary angle be A1, when the second connecting rod 30 is located at cooperation position, the axis of the second connecting rod 30 is with the axis of mobile jib 10 most
The complementary angle of big acute angle is A2, and when head rod 20 is positioned at extreme position and the second connecting rod 30 is located at cooperation position
When, axis the projecting in the plane perpendicular to the axis of mobile jib 10 of head rod 20 exists with the axis of the second connecting rod 30
The acute angle between projection in the plane of the axis of mobile jib 10 is C, and the value of above-mentioned A1, A2 and C is served as reasons
10 and second connecting rod of head rod 20 reality in corresponding position when obtain, compared in CATIA motions
Data obtained from the analogue measurement for carrying out are more accurate, therefore the swing extreme value W1 of the first bulb joint is more nearly truly
Value, accuracy is improved, and the stabilizer bar connecting bar for being designed by such scheme and being produced possesses more preferable adaptability with stabilization
Property.
Preferably, the swing extreme value W2 of the second bulb joint is identical with the swing extreme value W1 of the first bulb joint.Due to
There is certain linkage between one connecting rod 20 and the second connecting rod 30, therefore W2 is equal with W1.Therefore, stabilizer bar connecting bar
Bulb joint swing extreme value W=W1=W2.
Head rod 20 has and the only one of which free degree after vehicle is assembled, i.e., around the first bulb joint and the second ball
The rotary freedom of the line at the center in head joint.Similarly, the second connecting rod 30 also has one degree of freedom.It may be noted that
It is, in the embodiment shown in Fig. 1 to 4, the line at the center of the first bulb joint and the second bulb joint and the axle of mobile jib 10
Line overlaps.
Proved based on more than, set up coordinate system:The origin of coordinates is the center of any bulb joint, is in Fig. 1 the first ball
The center in head joint, x-axis is rotation axis, in the present embodiment the i.e. axis of mobile jib 10, and forward direction is to point to another from origin
The direction of bulb joint;Z-axis is the axis direction of ball seat, i.e. the bearing of trend when head rod 20 is in original position,
Forward direction is that the openend of ball seat is pointed to from origin;Y-axis presses the determination of left hand helix rule.
Based on above coordinate system, by the swing extreme value W2 of the swing extreme value W1 of head rod 20 and the second connecting rod 30 points
Do not project in xz planes and yz planes, form β 1, α 1 and β 2, α 2.Its mathematical relationship has:
tg2W1=tg2α1+tg2β 1, is designated as formula 1;
tg2W2=tg2α2+tg2β 2, is designated as formula 2.
Based on above coordinate system, the swing extreme value W2 of the second bulb joint and the swing extreme value W1 of the first bulb joint distinguish
Project in yz planes, the throwing of the axis of the projection and the second bulb joint of the axis of the first bulb joint is obtained in yz planes
The angle C for being between shadow.
Based on the free degree mentioned in above-mentioned, angle [alpha] 1 and α 2 can be what is mutually compensated for;And β 1 can not be mutually complementary with β 2
Repay.There is following special case:As β 1=β 2=0, C≤2W is only needed;But as α 1=α 2=0, it is necessary to meet 1≤W of β, and β 2
≤W。
The included angle A 1' of the axis of the axis and the first bulb joint of mobile jib 10 is measured, and makes A1=│ A1'-90 ° │, i.e. A1
It is the complementary angle of the maximum acute angle of the axis of the axis and mobile jib 10 of head rod 20;Measure the axis and first of mobile jib 10
The included angle A 2' of the axis of bulb joint, and make axis and mobile jib 10 that A2=│ A2'-90 ° │, i.e. A2 are the second connecting rod 30
The complementary angle of the maximum acute angle of axis.
Based on the free degree mentioned in above-mentioned, the direction free degree of stabilizer bar connecting bar is not limited.Setting:Xz planes are
Principal plane, the plane that the axis of the bulb joint of mobile jib 10 and first is constituted is plane 1, the axle of the bulb joint of mobile jib 10 and second
The plane that line is constituted is plane 2.When principal plane and plane 1 overlap, have:α 1=0, β 1=A1=W1.Equally, principal plane is worked as
When being overlapped with plane 2, have:α 2=0, β 2=A2=W2.
When since principal plane to the direction of plane 2 plane 1 rotate θ angles after, have:α 1=θ, tg β 1=csc θ tgA1.Will
Above-mentioned substitution formula 1, then obtain:
tg2W1=tg2θ+csc2θtg2A1, is designated as formula 3.
When since principal plane to the direction of plane 2 plane 1 rotate θ angles after, have:α 2=C- θ, tg β 2=csc (C- θ)
tgA2.By above-mentioned substitution formula 2, then obtain:
tg2W2=tg2(C-θ)+csc2(C-θ)tg2A2, is designated as formula 4.
W1=W2 is made, now the pendulum angle of the first bulb joint and the second bulb joint makes full use of, then W=W1=
W2。
Preferably, the difference of tangent value and the tangent of C in the relatively tangent value of A1 and A2 are worth to comparative result, according to
In the step for comparative result determines the swing extreme value W1 of the first bulb joint, including following three kinds of situations:
Work as tg2A1≥tg2A2+tg2During C, the swing extreme value W1 of the first bulb joint is equal with A1.
Work as tg2A2≥tg2A1+tg2During C, the swing extreme value W1 of the first bulb joint is equal with A2.
As │ tg2A1-tg2A2│≤tg2During C, the swing extreme value W1 of the first bulb joint draws according to below equation:
tg2W1=tg2θ+csc2θtg2A1;
θ draws according to below equation:
tg2θ+csc2θtg2A1=tg2(C-θ)+csc2(C-θ)tg2A2。
Specifically, the connecting rod 30 of head rod 20 and second that stabilizer bar connecting bar is simulated in motion is moved to
Extreme position, and under the state;In this condition, in yz planes, measure the first bulb joint axis projection and
Angle C between the projection of the axis of the second bulb joint;In this condition, the axis and mobile jib of the first bulb joint are measured respectively
Included angle A 2 ' between the included angle A 1 ' between 10 axis, and the axis of the second bulb joint axis and mobile jib 10;Calculate A1=│
A1'-90 ° of │, A2=│ A2'-90 ° │;According to the relation between the value of A1, A2 and C, there are following three kinds of situations, and in different situations
The swing extreme value W of the lower bulb joint for determining stabilizer bar connecting bar:
Work as tg2A1≥tg2A2+tg2During C, W=A1;
Work as tg2A2≥tg2A1+tg2During C, W=A2;
As │ tg2A1-tg2A2│≤tg2During C, if principal plane to the direction of plane 2 with the overlapping positions of plane 1 from rotating θ angles
Afterwards, the pivot angle of the first bulb joint and the second bulb joint is equal, i.e. W1=W2, substitutes into formula 3 and formula 4 is obtained:
tg2θ+csc2θtg2A1=tg2(C-θ)+csc2(C-θ)tg2A2,
Above θ is solved, and substitutes into tg2W1=tg2θ+csc2θtg2A1, tries to achieve W=W1.
Needs are particularly pointed out, and the axis that the method is applied to mobile jib 10 is connected with the stabiliser bar of the center superposition of bulb joint
Bar, when the axis of mobile jib 10 and the misaligned center of bulb joint can according to this method based on continue to calculate, it is and special at some
This method can be directly applied during condition of pledging love.
According to another aspect of the present invention, a kind of stabilizer bar connecting bar is additionally provided, as shown in Figures 1 to 4, the stabiliser bar
Connecting rod includes mobile jib 10 and the connecting rod 30 of head rod 20 and second being connected with mobile jib 10, and head rod 20 passes through ball
Head joint is connected with mobile jib 10;Stabilizer bar connecting bar is manufactured by the manufacture method of above-mentioned stabilizer bar connecting bar.
Preferably, as shown in figure 1, the bearing of trend put of the first start bit of head rod 20 and the second connecting rod 30
The bearing of trend of the second original position is parallel.
The preferably motion in the plane perpendicular to the axis of mobile jib 10 of the connecting rod 30 of head rod 20 and second
Mutually linkage.
According to another aspect of the present invention, a kind of vehicle, including suspension system are additionally provided, suspension system includes stabilization
Bar connecting rod, stabilizer bar connecting bar is above-mentioned stabilizer bar connecting bar or the manufacturer's legal system according to above-mentioned stabilizer bar connecting bar
Make and obtain.
The bulb joint tool of the stabilizer bar connecting bar that the manufacture method manufacture of stabilizer bar connecting bar of the invention is obtained
There is the swing extreme value being more adapted to, the connecting rod connected by bulb joint has the good free degree, will not be because of bulb joint
Swing extreme value not enough and cause the stress of mobile jib 10 bend, will not also be caused because the swing extreme value of bulb joint is excessive connection
Bar comes off, therefore stabilizer bar connecting bar is relatively reliable durable so that the suspension system of vehicle is more safe and reliable.
Preferably, the suspension system includes damper and stabiliser bar, the head rod 20 of stabilizer bar connecting bar and the
Two connecting rods 30 connect damper and stabiliser bar respectively;And/or, suspension system includes swing arm and stabiliser bar, stabilizer bar connecting bar
The connecting rod 30 of head rod 20 and second connect swing arm and stabiliser bar respectively.
Wherein, on the front suspension system of vehicle, sense of stability connecting rod is used to connect damper and stabiliser bar;And in vehicle
Rear-suspension system on, sense of stability connecting rod be used for connect swing arm and stabiliser bar.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.