CN108891486B - A kind of steering wheel based on car head-on crash and the fixed bracket of steering column - Google Patents
A kind of steering wheel based on car head-on crash and the fixed bracket of steering column Download PDFInfo
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- CN108891486B CN108891486B CN201810925617.2A CN201810925617A CN108891486B CN 108891486 B CN108891486 B CN 108891486B CN 201810925617 A CN201810925617 A CN 201810925617A CN 108891486 B CN108891486 B CN 108891486B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/152—Front or rear frames
- B62D21/155—Sub-frames or underguards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/187—Steering columns yieldable or adjustable, e.g. tiltable with tilt adjustment; with tilt and axial adjustment
Abstract
The present invention discloses a kind of steering wheel based on car head-on crash and the fixed bracket of steering column, comprising: vehicle frame comprising first crossbeam and second cross beam；The first crossbeam is transversely and horizontally arranged along car；The second cross beam is transversely and horizontally arranged along car, and being located above the first crossbeam vertical direction with certain intervals；First stringer, along the vertical direction and parallel interval is arranged, and in the middle part of first stringer and the second cross beam is hinged；First energy-absorption box longitudinally extends along car, and is fixed between first stringer bottom and the first crossbeam；Cant beam, along car fore-and-aft tilt setting and one end is fixedly connected with first stringer top；Its other end is fixedly connected with steering mechanism top.Steering wheel provided by the invention based on car head-on crash and the fixed bracket of steering column, cant beam are able to drive steering column and steering wheel and, to movement, improve crashworthiness to far from driver side around hinge joint.
Description
Technical field
The present invention relates to steering mechanism fields, and more particularly, the present invention relates to a kind of to be turned based on car head-on crash
To disk and the fixed bracket of steering column.
Background technique
Automotive steering structure is the medium of pilot control automobile, carries the responsibility for changing vehicle traveling direction, in addition,
Steering mechanism has an effect on the maneuverability of automobile, comfortableness and security, is a part of sophisticated subsystems in automobile.According to friendship
The former statistics of interpreter and the analysis and research to vehicle impact testing: when head-on crash occurs for automobile, there is 46% driving
Caused by member injures the steering system being made of steering wheel, steering column and diverter.
In recent years, being gradually improved with automobile passive safety system, steering system anticollision safeguard measure also obtain
Rapid development.Chinese Patent Application No. 201621054975.3 discloses a kind of steering wheel skeleton and automobile, in steering wheel bone
In the state that frame is collided, when can reduce head-on crash, injury of the steering wheel skeleton to driver head.But due to vapour
When head-on crash occurs for vehicle, steering mechanism's meeting integral forward lead damages the significant points such as driver head, chest, knee,
The structure does not solve the injury that other parts may cause driver in addition to steering wheel.And the skeleton structure can only part
Steering wheel is reduced to degree to the collision damage of driver, is not avoided that steering mechanism to the impact injury of driver.
In addition, Chinese Patent Application No. 201720071936.2 discloses a kind of steering wheel shift-forward type mounting bracket and use
The car of the mounting bracket.Steering wheel, which moves back, when solving to occur in the prior art head-on crash occupies driver's existence sky
Between, lead to the problem of seriously threatening driver safety.But the structure has ignored when head-on crash occurs, and turns to disc carrier Forward
Cause steering mechanism movement interference can occur with interior body trims components such as instrument boards, leads to the insufficient space that moves forward, driver is pacified
The problem of holotype is at security risk.
Therefore, if existing various, the steering based on car head-on crash can be solved the problems, such as on the basis of existing technology
Disk and the support bracket fastened head-on crash safety problem of steering column can obtain further breakthrough.
Summary of the invention
It is solid it is an object of the invention to design and develop a kind of steering wheel based on car head-on crash and steering column
Fixed rack, cant beam are able to drive steering column and steering wheel and, to movement, improve collision safety to far from driver side around hinge joint
Property.
The present invention can also determine steering wheel before and after car head-on crash along car is longitudinal and the displacement of vertical direction, and
Steering wheel is along the longitudinal desired displacement amount with vertical direction of car before and after determining car head-on crash.
Technical solution provided by the invention are as follows:
A kind of steering wheel based on car head-on crash and the fixed bracket of steering column, comprising:
Vehicle frame comprising first crossbeam and second cross beam；
The first crossbeam is transversely and horizontally arranged along car；
The second cross beam is transversely and horizontally arranged along car, and is located at first cross with certain intervals
Above beam vertical direction；
First stringer, along the vertical direction and parallel interval is arranged, and cuts with scissors in the middle part of first stringer with the second cross beam
It connects；
First energy-absorption box longitudinally extends along car, and is fixed on first stringer bottom and the first crossbeam
Between；
Cant beam, along car fore-and-aft tilt setting and one end is fixedly connected with first stringer top；Its other end
It is fixedly connected with steering mechanism top.
Preferably, the second cross beam further include:
Attachment beam is fixed at the second cross beam both ends, and hinged first stringer of overhanging end.
Preferably, further includes:
Second stringer, is arranged in a vertical direction, and both ends are respectively fixedly connected with the first crossbeam and with described
Two crossbeams；
Second energy-absorption box, along the longitudinally fixed setting of car in first stringer bottom end and to extending in front of car.
Preferably, further includes:
Third crossbeam is fixed on the cant beam top；
Wherein, the steering structure is fixedly connected with the third crossbeam.
Preferably, the angle of the cant beam and vertical direction car is 30~40 °.
Preferably, first energy-absorption box and the second energy-absorption box are one of aluminium alloy, Steel Thin-Wall and foamed aluminium.
Preferably, before and after car head-on crash, steering wheel meets along the horizontal and vertical displacement of car:
LX=L5{1-cosarctan[(L1-La)/L3]}+L4sinarctan[(L1-La)/L3]；
LY=L4{cosarctan[(L1-La)/L3]-1}+L5sinarctan[(L1-La)/L3]；
Wherein, LXFor displacement of the steering wheel along car longitudinal direction, L before and after car head-on crashYBefore and after car head-on crash
Displacement of the steering wheel along car vertical direction, L1For the initial length of the first energy-absorption box, L3For the first energy-absorption box and second cross beam
With the initial vertical direction distance of the hinge joint of the first stringer；L4For the initial vertical direction of steering wheel centre point and hinge joint away from
From；L5For the initial fore-and-aft distance of steering wheel centre point and hinge joint；LaFor the length of the first energy-absorption box after car head-on crash.
Preferably, collision front and back, the first stringer meet around the angle that hinge joint rotates:
θ=arctan [(L1-La)/L3]。
Preferably, before and after car head-on crash, steering wheel meets along the horizontal and vertical displacement of car:
LX=k1(L1-La)；
LY=k2(L1-La)；
Wherein, k1It is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car longitudinal direction
Ratio, k2It is steering wheel before and after car head-on crash along the displacement of car vertical direction and the ratio of the first energy-absorption box shrinkage
Value.
Preferably, displacement and first energy-absorbing of the steering wheel along car longitudinal direction and vertical direction before and after car head-on crash
The ideal ratio of box shrinkage meets:
kX=φ k1, min；
kY=φ k2, min；
Wherein, kXIt is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car longitudinal direction
Ideal ratio, kYIt is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car vertical direction
Ideal ratio, k1,minFor steering wheel before and after car head-on crash along the displacement of car longitudinal direction and the first energy-absorption box shrinkage most
Small ratio, k2,minIt is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car vertical direction
Minimum ratio, φ are safety coefficient and φ ∈ [0.85,0.90].
It is of the present invention the utility model has the advantages that
1, the fixed bracket of steering wheel and steering column provided by the invention based on car head-on crash, cant beam are able to drive
Steering column and steering wheel, to movement, improve crashworthiness to far from driver side around hinge joint.
2, the present invention can also determine the displacement of steering wheel before and after car head-on crash along car longitudinal direction and vertical direction,
And determine car head-on crash front and back steering wheel along the longitudinal desired displacement amount with vertical direction of car.
Detailed description of the invention
Fig. 1 is the steering wheel of the present invention based on car head-on crash and the support bracket fastened body frame knot of steering column
Structure schematic diagram.
Fig. 2 is the steering wheel of the present invention based on car head-on crash and the support bracket fastened body frame knot of steering column
Structure side view.
Fig. 3 is the steering wheel of the present invention based on car head-on crash and the fixed bracket stereochemical structure signal of steering column
Figure.
Fig. 4 is that the steering wheel of the present invention based on car head-on crash and the support bracket fastened key dimension of steering column are joined
Number schematic diagram.
Fig. 5 is that steering wheel after collision of the present invention based on car head-on crash and steering column are support bracket fastened main
Dimensional parameters schematic diagram.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
The present invention can there are many different forms to implement, and should not be construed as limited to again the embodiment of this elaboration, phase
Instead, these embodiments are provided, so that the disclosure will be thorough and complete.In the accompanying drawings, for clarity, structure can be exaggerated
With the size and relative size in region.
As shown in Figure 1-3, the present invention provides a kind of steering wheel based on car head-on crash and the fixed bracket of steering column,
It include: vehicle frame 100 comprising first crossbeam 130 and second cross beam 140；The first crossbeam 130, along car transverse direction water
Plain cloth is set；The second cross beam 140 is transversely and horizontally arranged along car, and is located at described first with certain intervals
Above 130 vertical direction of crossbeam；First stringer 110, along the vertical direction and parallel interval is arranged, in first stringer 110
Portion and the second cross beam 140 are hinged, it is preferred that it is fixedly installed attachment beam 141 at 140 both ends of second cross beam, and；Even
Overhanging end and first stringer 110 for connecing beam 141 are hinged, and the first stringer 110 is rotated around the hinge joint；First
Energy-absorption box 120 longitudinally extends along car, and be fixed on 110 bottom of the first stringer and the first crossbeam 130 it
Between, energy when for absorbing car central collision simultaneously generates crumple；Cant beam 150, along car fore-and-aft tilt setting and one end with
First stringer, 110 top is fixedly connected；Its other end is fixedly connected with 160 top of steering mechanism.
150 top level of cant beam is fixedly installed third crossbeam 170, and 170 both ends of third crossbeam respectively with the cant beam
150 other ends are fixedly connected；160 top of steering mechanism is fixedly connected with the third crossbeam 170.When to the first stringer
110 when applying cars impact force longitudinally rearward, first stringer 110 can around hinge joint to close to driver side to rotation
Turn, and then drives cant beam 150, third crossbeam 170 to, to rotation, final drive steering mechanism 160 rotates, makes far from driver side
It obtains steering mechanism and occupies driving to steering wheel moves back to movement, when avoiding occurring head-on crash far from driver side around hinge joint
Member's living space causes to seriously threaten driver safety.
Second stringer 111, is arranged in a vertical direction, and both ends are separately connected the first crossbeam 130 and described second
Crossbeam 140；Second energy-absorption box 121, along the longitudinally fixed setting of car in 110 bottom end of the first stringer and in front of car
Extend, energy when for absorbing car central collision first simultaneously generates crumple.
The angle of cant beam 150 and vertical direction is 30~40 °, when guaranteeing to collide, the movement of steering mechanism and instrument
The inner-decoration components such as dial plate do not interfere.
First energy-absorption box 120 and the second energy-absorption box 121 are one of aluminium alloy, Steel Thin-Wall, foamed aluminium, are absorbing car just
Energy when touching simultaneously generates crumple, and the first stringer 110 is rotated around hinge joint, and then drives cant beam 150, third horizontal
Beam 170 rotates, so drive steering mechanism 160 to far from driver side to movement.
Being fixedly connected in the present invention is welding.
As another embodiment of the present invention, the steering mechanism 160 includes steering wheel 161, is fixedly connected with steering wheel
It is provided with steering column 180, preferred steering wheel 161 is connect with 180 spline of steering column；It is driven and connects with the steering column 180
It is connected to support 181, the preferably described steering column 180 is connect with the support 181 by universal joint；The steering column 180 uses can
Telescopic, when frontal impact occurring and impact force is more than design code value, steering column 180 can be disconnected or be disengaged automatically,
It is detached from steering column 180 and steering mechanism；Further include power mechanism (preferably motor is not shown in the figure), is arranged described
161 lower section of steering wheel, and output end is connect with the steering wheel 160, for driving the steering wheel 160 longitudinally to turn along car
It is dynamic.Make steering wheel 160 when head-on crash occurs for car, is driven by a motor steering wheel 160 and turns an angle, guarantee occurring
When collision, movement of the steering wheel 160 far from driver direction prevents the steering wheel in linkage to expand driver safety space
Security risk is formed, and guarantees that the linkage of steering wheel is not interfered with other component.
The course of work:
When head-on crash occurs for car, the first energy-absorption box 120 and the second energy-absorption box 121 absorb energy when car central collision
And generate crumple, enable the first stringer 110 around hinge joint to close to driver side to rotation, and then drive cant beam 150,
Third crossbeam 170 drives to separate driver side to rotation and rotates rotation mechanism 160 to separate driver side to movement, keeps away
Steering wheel, which moves back, when exempting to occur head-on crash occupies driver's living space, causes to seriously threaten driver safety.
Key dimension parameter used in the present invention is as shown in Figure 4,5, LXIt is steering wheel before and after car head-on crash along visitor
The displacement of vehicle longitudinal direction, LYFor displacement of the steering wheel along car vertical direction, L before and after car head-on crash1For the first energy-absorption box
Initial length, L3For the initial vertical direction distance of the first energy-absorption box and the hinge joint of second cross beam and the first stringer；L4To turn
To the initial vertical direction distance of disk center's point and hinge joint；L5For the initial fore-and-aft distance of steering wheel centre point and hinge joint；La
For the length of the first energy-absorption box after car head-on crash, L2For the length of the second energy-absorption box.
In order to create bigger living space to driver, when protecting driver's personal safety, while avoiding colliding,
The steering mechanism of linkage interferes with bus interior component.
When setting car generation head-on crash, each section beam is rigidity in vehicle frame；First stringer 110 is with itself and second cross beam
Centered on 140 hinge joint O, other structures rotation is driven；Car head-on crash, the first stringer of vehicle foreside bottom end 110 and
The crumple deflection that the first energy-absorption box 120 on 130 between one crossbeam occurs is equal with 110 rotation distance of the first stringer.
Can be established in the case of car head-on crash according to rotational angle theta in collision process=δ condition, car steering wheel 160 and turn
To the interaction relation of mechanism displacement amount and 120 shrinkage of the first energy-absorption box of body structure bottom, process is as follows:
θ=arctan [(L1-La)/L3]；
Wherein, θ is the angle that the first stringer is rotated around hinge joint O.
Rectangular coordinate system is established using hinge joint O as origin, when initial position:
LX1=L5；
LY1=L4；
Wherein LX1It is the initial fore-and-aft distance of steering wheel centre point Yu hinge joint O；LY1It is steering wheel centre point and hinge joint
The initial vertical direction distance of O；
After head-on crash:
LX2=L5cosθ-L4sinθ；
LY2=L4cosθ+L5sinθ；
Wherein, LX2It is the fore-and-aft distance that head-on crash rear steering disk center point and hinge joint O occurs；LY2It is that front occurs
Collide the vertical direction distance of rear steering disk center point and hinge joint O；
In conjunction with above-mentioned formula, length travel amount, the vertical direction position of collision front and back steering mechanism linked steering disk are derived
Shifting amount:
LX=L5{1-cosarctan[(L1-La)/L3]}+L4sinarctan[(L1-La)/L3](1)
LY=L4{cosarctan[(L1-La)/L3]-1}+L5sinarctan[(L1-La)/L3](2)
At this point, steering wheel 161 meets along the angle Y that car longitudinally rotates:
Y=90 ° of-θ；
But this interaction relation is relative complex, and it is inconvenient for engineer application, as a preference, needing to carry out it
Simplify:
Most value method is sought according to numerical value, the interaction relation approximation is reduced to linear interaction relation
LX=k1(L1-La)(3)；
LY=k2(L1-La)(4)；
Wherein, k1It is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car longitudinal direction
Ratio, k2It is steering wheel before and after car head-on crash along the displacement of car vertical direction and the ratio of the first energy-absorption box shrinkage
Value.
In view of the crashworthiness of car and the safeguard protection of driver, most value is asked to obtain above-mentioned longitudinal position using derivative
Minimum ratio k between shifting amount, vertical direction displacement and the shrinkage of the first energy-absorption box, i.e. k1, minAnd k2, min。
Enable f (x)=LX/(L1-La)；F (y)=LY/(L1-La)；
Enable df/d (L1-La)=0, acquires k=fmin；
Above-mentioned derivation process is relative complex, we find out the approximation of k using thought combination safety coefficient is simplified: [0,
L1] choose on several crumple length values in rangei, i.e. Li=(L1-La), it is asked by the interaction relation, that is, formula (1) and (2)
Corresponding L outXi、LYi, further according to formula (3) and (4), enable kiX=LX/Li；kiY=LX/Li, minimum ratio is found, multiplied by peace
Overall coefficientAs final ideal k value:
kX=φ k1, min；
kY=φ k2, min；
Wherein, kXIt is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car longitudinal direction
Ideal ratio, kYIt is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car vertical direction
Ideal ratio, k1, minFor steering wheel before and after car head-on crash along the displacement of car longitudinal direction and the first energy-absorption box shrinkage most
Small ratio, k2, minIt is steering wheel before and after car head-on crash along the displacement and the first energy-absorption box shrinkage of car vertical direction
Minimum ratio, φ are safety coefficient and φ ∈ [0.85,0.90].
Length travel amount, the vertical direction displacement L of collision front and back steering mechanism linked steering disk can be obtainedX、LYWith
One energy-absorption box length L1Between ideal interaction relation are as follows:
LX=kX·(L1-La)；
LY=kY·(L1-La)。
When k value is ideal value, the length travel amount of collision front and back steering mechanism linked steering disk, vertical direction displacement
The crashworthiness of minimum, car is higher, can carry out better safeguard protection to driver.
Specific embodiment detailed description is made to the present invention below in conjunction with the exemplary embodiment provided:
With reference to WG6120CHAE type vehicle relevant parameter, major parameter value is following (unit: rice):
The length for colliding preceding first energy-absorption box is L1, collide the length L of preceding second energy-absorption box2=0.15m；First energy-absorption box
With the initial vertical direction distance L of hinge joint O3=0.15m；The initial vertical direction distance L of steering wheel hub point and hinge joint O4
=0.60m；The initial fore-and-aft distance L of steering wheel hub point and hinge joint O5=0.40m；If the first energy-absorption box length L after collisiona
It is the 20% of initial length.
Simplify linear relationship LX=k1(L1-La) and LY=k1(L1-La) in minimum ratio solution procedure it is as follows:
10 crumple length value Ls are uniformly chosen in [0,0.10] sectioni, i.e. Li=0.01 × i (i=1,2 ...,
10), by formula:
LX=L5{1-cosarctan[0.8L1/L3]}+L4sinarctan[0.8L1/L3]；
LY=L4{cosarctan[0.8L1/L3]-1}+L5sinarctan[0.8L1/L3]；
Find out corresponding LXi、LYi。
Again by formula:
kiX=LX/Li；
kiY,=LX/Li；
Find out corresponding kiX、kiY.It is specific as shown in table 1.
1 dimensional parameters table of table
| Li(m) | 0.01 | 0.02 | 0.03 | 0.04 | 0.05 | 0.06 | 0.07 | 0.08 | 0.09 | 0.10 |
| LX(m) | 0.0325 | 0.0659 | 0.0998 | 0.1340 | 0.1681 | 0.2019 | 0.2351 | 0.2676 | 0.2990 | 0.3294 |
| LY(m) | 0.0205 | 0.0390 | 0.0557 | 0.0703 | 0.0828 | 0.0934 | 0.1020 | 0.1088 | 0.1140 | 0.1176 |
| kiX | 3.2522 | 3.2948 | 3.3273 | 3.3496 | 3.3621 | 3.3649 | 3.3588 | 3.3444 | 3.3225 | 3.2941 |
| kiY | 2.0452 | 1.9521 | 1.8554 | 1.7563 | 1.6561 | 1.5561 | 1.4572 | 1.3605 | 1.2667 | 1.1765 |
In view of the crashworthiness of car and the safeguard protection of driver, k is chosen from table 11, min=3.2522k2, min
=1.1765, and safety coefficient is taken to take φ=0.85.
Then steering wheel is inhaled along the displacement and first of car longitudinal direction and vertical direction before and after available car head-on crash
The ideal ratio of energy box shrinkage are as follows:
kX=φ k1, min=3.25220.85=2.7644；
kY=φ k2, min=1.17650.85=1.000；
That is the length travel amount of collision front and back steering mechanism linked steering disk, vertical direction displacement LX、LYWith the first energy-absorbing
Box length L1Between ideal interaction relation are as follows:
LX=2.7644L1；
LY=1.0000L1；
Angle Y of the motor driven steering wheel along car lateral rotation are as follows:
Y=90 ° of-θ；
Itself and L1Length relation it is as shown in table 2.
The relationship of table 2 steering wheel transverse direction corner and the first energy-absorption box length
| Li(m) | 0.01 | 0.02 | 0.03 | 0.04 | 0.05 | 0.06 | 0.07 | 0.08 | 0.09 | 0.10 |
| θ | 3.1 | 6.1 | 9.1 | 12.0 | 14.9 | 17.7 | 20.5 | 23.1 | 25.6 | 28.1 |
| γ | 86.9 | 83.9 | 80.9 | 78.0 | 75.1 | 72.3 | 69.5 | 66.9 | 64.4 | 61.9 |
Steering wheel provided by the invention based on car head-on crash and the fixed bracket of steering column, cant beam, which is able to drive, to be turned
Xiang Zhuyu steering wheel, to movement, improves crashworthiness to far from driver side around hinge joint；Power mechanism can also be passed through
Steering wheel rotation is driven, so that steering wheel can far be moved from driver direction when colliding, utmostly expands and drives
The living space of member.Steering wheel is along the longitudinal displacement with vertical direction of car before and after the present invention can also determine car head-on crash
Amount and steering wheel are along the angle of car lateral rotation, and steering wheel is longitudinal and perpendicular along car before and after determining car head-on crash
Histogram to desired displacement amount.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (9)
1. a kind of steering wheel based on car head-on crash and the fixed bracket of steering column characterized by comprising
Vehicle frame comprising first crossbeam and second cross beam；
The first crossbeam is transversely and horizontally arranged along car；
The second cross beam is transversely and horizontally arranged along car, and the first crossbeam that is located at certain intervals erects
Histogram is upwards；
First stringer, along the vertical direction and parallel interval is arranged, and in the middle part of first stringer and the second cross beam is hinged；
First energy-absorption box longitudinally extends along car, and is fixed between first stringer bottom and the first crossbeam；
Cant beam, along car fore-and-aft tilt setting and one end is fixedly connected with first stringer top；Its other end is fixed
Steering mechanism top is connected,
The steering mechanism includes:
Steering wheel；
Steering column is extension type, and is fixedly connected with the steering wheel；
Support is sequentially connected with the steering column；
Power mechanism is arranged below the steering wheel, and output end is connect with the steering wheel, for driving the steering
Disk is longitudinally rotated along car；
Wherein, before and after car head-on crash, steering wheel meets along the horizontal and vertical displacement of car:
LX=L5{1-cosarctan[(L1-La)/L3]}+L4sinarctan[(L1-La)/L3]；
LY=L4{cosarctan[(L1-La)/L3]-1}+L5sinarctan[(L1-La)/L3]；
Wherein, LXFor displacement of the steering wheel along car longitudinal direction, L before and after car head-on crashYTo be turned to before and after car head-on crash
Displacement of the disk along car vertical direction, L1For the initial length of the first energy-absorption box, L3For the first energy-absorption box and second cross beam and the
The initial vertical direction distance of the hinge joint of one stringer；L4For the initial vertical direction distance of steering wheel centre point and hinge joint；L5
For the initial fore-and-aft distance of steering wheel centre point and hinge joint；LaFor the length of the first energy-absorption box after car head-on crash.
2. the fixed bracket of steering wheel and steering column as described in claim 1 based on car head-on crash, which is characterized in that
The second cross beam further include:
Attachment beam is fixed at the second cross beam both ends, and hinged first stringer of overhanging end.
3. the fixed bracket of steering wheel and steering column as claimed in claim 2 based on car head-on crash, which is characterized in that
Further include:
Second stringer, is arranged in a vertical direction, and both ends be respectively fixedly connected with the first crossbeam and with it is described second horizontal
Beam；
Second energy-absorption box, along the longitudinally fixed setting of car in first stringer bottom end and to extending in front of car.
4. the steering wheel as claimed in claim 1,2 or 3 based on car head-on crash and the fixed bracket of steering column, feature
It is, further includes:
Third crossbeam is fixed on the cant beam top；
Wherein, the steering structure is fixedly connected with the third crossbeam.
5. the fixed bracket of steering wheel and steering column as claimed in claim 2 or claim 3 based on car head-on crash, feature exist
In the angle of the cant beam and vertical direction car is 30~40 °.
6. the fixed bracket of steering wheel and steering column as claimed in claim 3 based on car head-on crash, which is characterized in that
First energy-absorption box and the second energy-absorption box are one of aluminium alloy, Steel Thin-Wall and foamed aluminium.
7. the steering wheel and the fixed bracket of steering column based on car head-on crash as described in claim 2,3 or 6, feature
It is, collision front and back, the first stringer meets around the angle that hinge joint rotates:
θ=arctan [(L1-La)/L3]。
8. the fixed bracket of steering wheel and steering column as claimed in claim 7 based on car head-on crash, which is characterized in that
Before and after car head-on crash, steering wheel meets along the horizontal and vertical displacement of car:
LX=k1(L1-La)；
LY=k2(L1-La)；
Wherein, k1It is steering wheel before and after car head-on crash along the displacement of car longitudinal direction and the ratio of the first energy-absorption box shrinkage,
k2It is steering wheel before and after car head-on crash along the displacement of car vertical direction and the ratio of the first energy-absorption box shrinkage.
9. the fixed bracket of steering wheel and steering column as claimed in claim 8 based on car head-on crash, which is characterized in that
Ideal ratio of the steering wheel along the displacement and the first energy-absorption box shrinkage of car longitudinal direction and vertical direction before and after car head-on crash
Value meets:
kX=φ k1, min；
kY=φ k2, min；
Wherein, kXIt is steering wheel before and after car head-on crash along the displacement of car longitudinal direction and the ideal of the first energy-absorption box shrinkage
Ratio, kYIt is steering wheel before and after car head-on crash along the displacement of car vertical direction and the ideal of the first energy-absorption box shrinkage
Ratio, k1, minIt is steering wheel before and after car head-on crash along the displacement of car longitudinal direction and the minimum ratio of the first energy-absorption box shrinkage
Value, k2, minIt is steering wheel before and after car head-on crash along the displacement of car vertical direction and the minimum of the first energy-absorption box shrinkage
Ratio, φ are safety coefficient and φ ∈ [0.85,0.90].
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| CN201810925617.2A CN108891486B (en) | 2018-08-15 | 2018-08-15 | A kind of steering wheel based on car head-on crash and the fixed bracket of steering column |
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| CN201810925617.2A CN108891486B (en) | 2018-08-15 | 2018-08-15 | A kind of steering wheel based on car head-on crash and the fixed bracket of steering column |
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| CN108891486A CN108891486A (en) | 2018-11-27 |
| CN108891486B true CN108891486B (en) | 2019-11-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010006307A (en) * | 2008-06-30 | 2010-01-14 | Mazda Motor Corp | Front vehicle body structure of automobile |
| CN206569129U (en) * | 2017-01-20 | 2017-10-20 | 郑州宇通客车股份有限公司 | A kind of steering wheel shift-forward type mounting bracket and the vehicle using the mounting bracket |
| CN108100021A (en) * | 2018-02-02 | 2018-06-01 | 厦门金龙联合汽车工业有限公司 | A kind of steering gear for being collided before car |
| CN207466755U (en) * | 2017-09-25 | 2018-06-08 | 郑州宇通客车股份有限公司 | A kind of anticollision steering column supporting structure |
| CN208746086U (en) * | 2018-08-15 | 2019-04-16 | 吉林大学 | A kind of steering wheel based on car head-on crash and the fixed bracket of steering column |
-
2018
- 2018-08-15 CN CN201810925617.2A patent/CN108891486B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010006307A (en) * | 2008-06-30 | 2010-01-14 | Mazda Motor Corp | Front vehicle body structure of automobile |
| CN206569129U (en) * | 2017-01-20 | 2017-10-20 | 郑州宇通客车股份有限公司 | A kind of steering wheel shift-forward type mounting bracket and the vehicle using the mounting bracket |
| CN207466755U (en) * | 2017-09-25 | 2018-06-08 | 郑州宇通客车股份有限公司 | A kind of anticollision steering column supporting structure |
| CN108100021A (en) * | 2018-02-02 | 2018-06-01 | 厦门金龙联合汽车工业有限公司 | A kind of steering gear for being collided before car |
| CN208746086U (en) * | 2018-08-15 | 2019-04-16 | 吉林大学 | A kind of steering wheel based on car head-on crash and the fixed bracket of steering column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108891486A (en) | 2018-11-27 |
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Effective date of registration: 20210915 Address after: No.9, Jinlong Road, Jimei District, Xiamen City, Fujian Province Patentee after: XIAMEN KING LONG UNITED AUTOMOTIVE INDUSTRY Co.,Ltd. Address before: 130000 No. 2699 Qianjin Street, Jilin, Changchun Patentee before: Jilin University Patentee before: XIAMEN KING LONG UNITED AUTOMOTIVE INDUSTRY Co.,Ltd. |