CN104502049B - Vehicle steering system impact test device and vehicle steering system impact test method - Google Patents
Vehicle steering system impact test device and vehicle steering system impact test method Download PDFInfo
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- CN104502049B CN104502049B CN201410710648.8A CN201410710648A CN104502049B CN 104502049 B CN104502049 B CN 104502049B CN 201410710648 A CN201410710648 A CN 201410710648A CN 104502049 B CN104502049 B CN 104502049B
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- 238000009863 impact test Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000010998 test method Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 238000003556 assay Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a vehicle steering system impact test device and a vehicle steering system impact test method. The test device comprises a torsion inertia weight, a steering column body, a steering machine body, a fixing bracket, a mounting base, a guide mechanism, a pendulum system, and a sensing display device. The test method comprises the steps of starting the pendulum system to make the pendulum system swing and apply force to the guide mechanism to enable the guide mechanism to move and drive one end of the steering machine body inside the guide mechanism to move together, and recording and storing the impact on the steering machine body through the sensing display device on the steering machine body. The test device provided by the invention has the characteristics of simple structure, low cost and obvious actual production advantage. The test method provided by the invention has the advantages of convenient and flexible operation and high efficiency.
Description
Technical field
The present invention relates to Automotive Steering Technology field, particularly to a kind of wheel steering system impact test apparatus and side
Method.
Background technology
Automobile steering system is used to keep or change the device of vehicle traveling direction, and role is so that automobile is expert at
Can require and its travel direction of in good time change according to the operation of driver during sailing, and accidental transmitted by road surface
When impact and automobile unexpectedly deviate travel direction, can stable with driving system cooperation common holding automobile continuation travel, so
The performance of automobile steering system directly affects maneuverability and the safety of automobile, in actual production, needs to automotive steering
The performance of system is tested.
In prior art, traditional shock table is typically adopted to be simulated test, and traditional shock table one
As be all to adopt hydraulic servo cylinder, load test is carried out by hydraulic servo cylinder, thus obtaining test result；But existing hydraulic pressure
ServoBcylinder design is complex, relatively costly, is not suitable with needs of production.
During realizing the present invention, inventor finds that prior art at least has problems with：
Using hydraulic servo cylinder as shock table, design complex, relatively costly, being not suitable with actual production needs
Will.
Content of the invention
Shock table in order to solve the problems, such as prior art designs complicated, relatively costly, embodiment of the present invention offer
A kind of wheel steering system impact test apparatus and method.Described technical scheme is as follows：
On the one hand, a kind of wheel steering system impact test apparatus are provided, described wheel steering system impact test apparatus,
Including：Twisting inertia counterweight, steering column body, steering machine body, fixed support, mounting seat, guiding mechanism, pendulum system
System, sensing display apparatus, described steering column body is arranged on described fixed support, and described steering column body upper end connects
Described twisting inertia counterweight, lower end is connected with described steering machine body, and described steering machine body is respectively provided with described guiding mechanism
In described mounting seat, and one end of described steering machine body is arranged in described guiding mechanism, and described pendulum system is close
Described guiding mechanism setting, described sensing display apparatus are arranged on described steering machine body；
During work, described pendulum system swings and to described guiding mechanism force, promotes described guiding mechanism motion, and carries
Move described steering machine body together to move positioned at the one end in described guiding mechanism.
Specifically, preferably, described twisting inertia counterweight includes：Two counterweights and connecting rod, described connecting rod two ends
It is connected with two described counterweights respectively, be connected with described steering column body upper end in the middle part of described connecting rod.
Specifically, preferably, described steering machine body include oil cylinder, piston, turn to machine input shaft, steering rack,
Drag link, bulb, described oil cylinder is fixed in described mounting seat, is provided through described steering machine tooth inside described oil cylinder
Bar, described piston is arranged on described steering rack, and described steering rack is hinged with described steering machine input shaft one end, institute
State the steering machine input shaft other end to be connected with described steering column body, described steering rack two ends are respectively provided with a described horizontal stroke
Pull bar, the end of the drag link of any one end of described steering rack is provided with described bulb, described bulb be arranged on described in lead
Into mechanism, described sensing display apparatus are arranged on described drag link.
Specifically, preferably, described guiding mechanism includes guide, the slide block being provided with draw-in groove, described guide is solid
It is scheduled on described mounting seat edge, described slide block is arranged in described draw-in groove, and described bulb is connected by ball pin with described slide block,
During work, described pendulum system swings and to described slide block force, promotes described bulb and described slide block together in described draw-in groove
Interior motion, and the direction of described motion is parallel with described steering rack.
Specifically, preferably, described pendulum system includes mounting bracket, motor and whipple hammer, described installation is propped up
Frame is arranged near described guide, and described whipple hammer is arranged in described mounting bracket, described whipple hammer and described motor
Connect, the reciprocally swinging in described mounting bracket of whipple hammer described in described step motor drive, described whipple hammer is used for hammering institute
State slide block.
Specifically, preferably, described fixed support includes the first support of fixation and dismountable second support, described
First support is arranged near described mounting seat edge, and described second support is arranged on described first support upper end, described steering
Tubular column main body is arranged in described second support.
Specifically, preferably, described sensing display apparatus adopt strain gauge.
On the other hand, provide a kind of wheel steering system impact test method, described test method includes：
Start pendulum system, so that described pendulum system is swung and to guiding mechanism force, promote described guiding mechanism motion,
And drive one end that steering machine body is located in described guiding mechanism together to move；
By the sensing display apparatus record that turns on machine body and store described steering machine body and be hit.
The beneficial effect that technical scheme provided in an embodiment of the present invention is brought is：
The present invention provides a kind of wheel steering system impact test apparatus and method, and steering column body is arranged on fixation
On support, steering column body two ends connect twisting inertia counterweight respectively, turn to the connection of machine body, turn to machine body and Guiding machine
Structure is arranged in mounting seat, and one end of steering machine body is arranged in guiding mechanism, and pendulum system is near guiding mechanism
Setting, sensing display apparatus are arranged on steering machine body；Swung by pendulum system and to guiding mechanism force, promote to guide
Mechanism kinematic, and drive one end that steering machine body is located in guiding mechanism together to move, and pass through sensing display apparatus record
Steering machine body is hit, the data being recorded by these, you can the performance of wheel steering system is analyzed testing；This
The assay device structure that invention provides is simple, and cost is relatively low, and actual production is with the obvious advantage；The test method that the present invention provides, behaviour
Make easy to be flexible, efficiency is higher.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is wheel steering system impact test apparatus structural representation provided in an embodiment of the present invention；
Wherein, 1 twisting inertia counterweight, 11 counterweights, 12 connecting rods,
2 steering column bodies,
3 fixed supports, 31 first supports, 32 second supports,
4 steering machine bodies, 41 oil cylinders, 42 steering machine input shafts, 43 drag links, 44 bulbs,
5 guiding mechanisms, 51 guides, 52 draw-in grooves, 53 slide blocks,
6 pendulum systems, 61 whipple hammers, 62 mounting brackets,
7 mounting seat.
Specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
As shown in figure 1, the embodiment of the present invention provides a kind of wheel steering system impact test apparatus, described vehicle steering system
System impact test apparatus, including：Twisting inertia counterweight 1, steering column body 2, steering machine body 4, fixed support 3, installation bottom
Seat 7, guiding mechanism 5, pendulum system 6, sensing display apparatus, described steering column body 2 is arranged on described fixed support 3,
Described steering column body 2 upper end connects described twisting inertia counterweight 1, and lower end is connected with described steering machine body 4, described steering
Machine body 4 and described guiding mechanism 5 are arranged in described mounting seat 7, and one end of described steering machine body 4 is arranged on institute
State in guiding mechanism 5, described pendulum system 6 is arranged near described guiding mechanism 5, described sensing display apparatus are arranged on described turning
To on machine body 4；
Wherein, the assay device of the present invention is to be hit process to simulate actual vehicle, thus after it is impacted
The performance of vehicle is tested and is analyzed, to be instructed to actual production and to improve, the matching requirements of the present invention are pressed completely
According to the facts carrying out, the impulsive force being subject to is also to carry out in accordance with real vehicle operating mode to car；
Mounting seat 7 typically adopts existing testing stand, and steering column body 2, steering machine body 4 are existing skill
Art, the upper end of steering column body 2 is closure disk in practice, and is then replaced using twisting inertia counterweight 1 in the present invention,
So that simulation in practice people's direction of operating disk when the inertia force that provides, thus playing the effect of suppression impact；And turn to machine body 4
End be to be connected with tire in practice, in the present invention, be connected with guiding mechanism 5, by the hammering of pendulum system 6, that is,
Simulation reality is impacted, and during work, described pendulum system 6 swings and exerts a force to described guiding mechanism 5, promotes described Guiding machine
Structure 5 moves, and drives one end that described steering machine body 4 is located in described guiding mechanism 5 together to move, by being arranged on steering
The impact parameter that sensing display apparatus record on machine body 4 is transmitted by pendulum system 6, such as stress size, when continuing and changing
Between etc., by artificially carrying out data analysiss.
The wheel steering system impact test apparatus that the present invention provides, steering column body 2 is arranged on fixed support 3
On, steering column body 2 two ends connect twisting inertia counterweight 1 respectively, turn to machine body 4, turn to machine body 4 and guiding mechanism 5
It is arranged in mounting seat 7, and turns to one end of machine body 4 being arranged in guiding mechanism 5, pendulum system 6 is near Guiding machine
Structure 5 is arranged, and sensing display apparatus are arranged on steering machine body 4；Swung by pendulum system 6 and exert a force to guiding mechanism 5, promote
So that guiding mechanism 5 is moved, and drive one end that steering machine body 4 is located in guiding mechanism 5 together to move, and shown by sensing
Device record turns to machine body 4 and is hit, the data being recorded by these, you can the performance of wheel steering system is carried out point
Analysis test；The assay device structure that the present invention provides is simple and can flexibly control, and cost is relatively low, and actual production is with the obvious advantage.
As shown in figure 1, specifically, preferably, described twisting inertia counterweight 1 includes：Two counterweights 11 and connecting rod 12,
Described connecting rod 12 two ends are connected with two described counterweights 11 respectively, with described steering column body 2 in the middle part of described connecting rod 12
Upper end connects.Be arranged such, so as simulation in practice people's direction of operating disk when the inertia force that provides, thus playing suppression impact
Effect.
As shown in figure 1, specifically, preferably, described steering machine body 4 includes oil cylinder 41, piston, turns to machine input shaft
42nd, steering rack, drag link 43, bulb 44, described oil cylinder 41 is fixed in described mounting seat 7, inside described oil cylinder 41
Be provided through described steering rack, described piston is arranged on described steering rack, described steering rack with described
Steering machine input shaft 42 one end are hinged, and described steering machine input shaft 42 other end is connected with described steering column body 2, described turn
It is respectively provided with a described drag link 43 to machine tooth bar two ends, the end setting of the drag link 43 of any one end of described steering rack
There is described bulb 44, described bulb 44 is arranged in described guiding mechanism 5, and described sensing display apparatus are arranged on described drag link
On 43.Steering machine body 4 is prior art, in the present invention, its one end is modified, this end is provided with bulb 44, bulb
It is typically provided with ball pin on 44.
As shown in figure 1, specifically, preferably, described guiding mechanism 5 includes being provided with the guide 51 of draw-in groove 52, slides
Block 53, described guide 51 is fixed on described mounting seat 7 edge, and described slide block 53 is arranged in described draw-in groove 52, described ball
44 are connected by ball pin with described slide block 53,
Wherein, during work, described pendulum system 6 swings and exerts a force to described slide block 53, promote described bulb 44 with described
Slide block 53 together moves in described draw-in groove 52, and the direction of described slide block 53 motion is parallel with described steering rack, now,
The power that pendulum system 6 applies is simulated and is impacted at actual tire, thus being transferred on steering machine body 4, that is, passes through slide block
53rd, bulb 44, drag link 43, until being delivered on drag link 43 sensing display apparatus of setting, and records and is passed by pendulum system 6
The impact parameter come, such as stress size, continue and transformation period etc., by artificially carrying out data analysiss.
As shown in figure 1, specifically, preferably, described pendulum system 6 includes mounting bracket 62, motor and swing
Hammer 61, described mounting bracket 62 is arranged near described guide 51, and described whipple hammer 61 is arranged in described mounting bracket 62, institute
State whipple hammer 61 to be connected with described motor, whipple hammer 61 described in described step motor drive is past in described mounting bracket 62
Physical pendulum moves, and described whipple hammer 61 is used for hammering described slide block 53.Wherein, the parameter such as the amplitude of fluctuation of pendulum and dynamics all can be passed through
Motor, flexibly controls according to actual needs, provides different impact energys, to tackle different situations.
As shown in figure 1, specifically, preferably, described fixed support 3 includes the first support 31 of fixation and dismountable
Second support 32, described first support 31 is arranged near described mounting seat 7 edge, and described second support 32 is arranged on described
One support 31 upper end, described steering column body 2 is arranged in described second support 32.Wherein, second support 32 can flexibly be torn open
Unload, so that the steering column body 2 of multiple different models, practical application extremely convenient can be fixed.
As shown in figure 1, specifically, preferably, described sensing display apparatus adopt strain gauge.Wherein, sense and show
Showing device may also be employed foil gauge, can carry out test record to experiment desired parameters.
Embodiment two
The embodiment of the present invention provides a kind of wheel steering system impact test method, and described test method includes：
Start pendulum system 6, so that described pendulum system 6 is swung and exert a force to guiding mechanism 5, promote described guiding mechanism 5
Motion, and drive one end that steering machine body 4 is located in described guiding mechanism 5 together to move；
By the sensing display apparatus record that turns on machine body 4 and store described steering machine body 4 and be hit.Think
The parameter that these are recorded is analyzed.
The wheel steering system impact test method that the present invention provides, steering column body 2 is arranged on fixed support 3
On, steering column body 2 two ends connect twisting inertia counterweight 1 respectively, steering machine body 4 connects, and turn to machine body 4 and Guiding machine
Structure 5 is arranged in mounting seat 7, and one end of steering machine body 4 is arranged in guiding mechanism 5, and pendulum system 6 is near guiding
Mechanism 5 is arranged, and sensing display apparatus are arranged on steering machine body 4；Swung by pendulum system 6 and exert a force to guiding mechanism 5,
Promote guiding mechanism 5 to move, and drive one end that steering machine body 4 is located in guiding mechanism 5 together to move, and aobvious by sensing
Showing device record turns to machine body 4 and is hit, the data being recorded by these, you can the performance of wheel steering system is carried out
Analysis test；The test method that the present invention provides, convenient and flexible operation and can flexibly controlling, efficiency is higher.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (8)
1. a kind of wheel steering system impact test apparatus, it is characterised in that described wheel steering system impact test apparatus, wrap
Include：Twisting inertia counterweight, steering column body, turn to machine body, fixed support, mounting seat, guiding mechanism, pendulum system,
Sensing display apparatus, described steering column body is arranged on described fixed support, and described steering column body upper end connects institute
State twisting inertia counterweight, lower end is connected with described steering machine body, and described steering machine body is arranged at described guiding mechanism
In described mounting seat, and one end of described steering machine body is arranged in described guiding mechanism, and described pendulum system is near institute
State guiding mechanism setting, described sensing display apparatus are arranged on described steering machine body；
During work, described pendulum system swings and to described guiding mechanism force, promotes described guiding mechanism motion, and drives institute
State steering machine body together to move positioned at the one end in described guiding mechanism.
2. wheel steering system impact test apparatus according to claim 1 are it is characterised in that described twisting inertia counterweight
Including：Two counterweights and connecting rod, described connecting rod two ends are connected with two described counterweights respectively, in the middle part of described connecting rod and institute
State steering column body upper end to connect.
3. wheel steering system impact test apparatus according to claim 1 are it is characterised in that described steering machine body bag
Oil scraper cylinder, piston, steering machine input shaft, steering rack, drag link, bulb, described oil cylinder is fixed in described mounting seat,
It is provided through described steering rack, described piston is arranged on described steering rack, described steering inside described oil cylinder
Machine tooth bar is hinged with described steering machine input shaft one end, and the described steering machine input shaft other end is with described steering column body even
Connect, described steering rack two ends are respectively provided with a described drag link, the end of the drag link of any one end of described steering rack
Portion is provided with described bulb, and described bulb is arranged in described guiding mechanism, and described sensing display apparatus are arranged on described horizontal draw
On bar.
4. wheel steering system impact test apparatus according to claim 3 are it is characterised in that described guiding mechanism includes
It is provided with guide, the slide block of draw-in groove, described guide is fixed on described mounting seat edge, described slide block is arranged on described card
In groove, described bulb is connected by ball pin with described slide block, and during work, described pendulum system swings and to described slide block force,
Promote described bulb and described slide block together to move in described draw-in groove, and the direction of described motion is put down with described steering rack
OK.
5. wheel steering system impact test apparatus according to claim 4 are it is characterised in that described pendulum system includes
Mounting bracket, motor and whipple hammer, described mounting bracket is arranged near described guide, and described whipple hammer is arranged on described
In mounting bracket, described whipple hammer is connected with described motor, and described in described step motor drive, whipple hammer is in described installation
Reciprocally swinging on support, described whipple hammer is used for hammering described slide block.
6. wheel steering system impact test apparatus according to claim 1 are it is characterised in that described fixed support includes
Fixing first support and dismountable second support, described first support is arranged near described mounting seat edge, and described the
Two supports are arranged on described first support upper end, and described steering column body is arranged in described second support.
7. wheel steering system impact test apparatus according to claim 1 are it is characterised in that described sensing display apparatus
Using strain gauge.
8. the test method of the wheel steering system impact test apparatus described in a kind of utilization any one of claim 1-7, it is special
Levy and be, described test method includes：
Start pendulum system, so that described pendulum system is swung and to guiding mechanism force, promote described guiding mechanism motion, and carry
Together move in one end that dynamic steering machine body is located in described guiding mechanism；
By the sensing display apparatus record that turns on machine body and store described steering machine body and be hit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410710648.8A CN104502049B (en) | 2014-11-28 | 2014-11-28 | Vehicle steering system impact test device and vehicle steering system impact test method |
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| CN201410710648.8A CN104502049B (en) | 2014-11-28 | 2014-11-28 | Vehicle steering system impact test device and vehicle steering system impact test method |
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| CN104502049A CN104502049A (en) | 2015-04-08 |
| CN104502049B true CN104502049B (en) | 2017-02-22 |
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Cited By (1)
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| FR3074901A1 (en) * | 2017-12-11 | 2019-06-14 | Psa Automobiles Sa | APPARATUS FOR TESTING EQUIPMENT (S) SENSITIVE (S) TO SHOCKS COUPLED TO A VEHICLE WHEEL |
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| CN105466697A (en) * | 2015-11-19 | 2016-04-06 | 奇瑞汽车股份有限公司 | Testing apparatus of steering system |
| CN110749409B (en) * | 2019-08-05 | 2021-09-28 | 中国第一汽车股份有限公司 | Steering gear impact test platform |
| CN111982516A (en) * | 2020-05-28 | 2020-11-24 | 中国科学院沈阳自动化研究所 | Pipeline modal testing method for aircraft engine |
| CN113984320B (en) * | 2021-11-04 | 2023-04-25 | 东风汽车集团股份有限公司 | Device and method for verifying impact strength of steering gear shell and gear rack |
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| CN104502049A (en) | 2015-04-08 |
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