CN104502049A - 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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- CN104502049A CN104502049A CN201410710648.8A CN201410710648A CN104502049A CN 104502049 A CN104502049 A CN 104502049A CN 201410710648 A CN201410710648 A CN 201410710648A CN 104502049 A CN104502049 A CN 104502049A
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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 a kind of wheel steering system impact test apparatus and method.
Background technology
Automobile steering system is used to the device keeping or change vehicle traveling direction, role be make automobile travel process in can be in good time according to the operation requirements of driver its travel direction of change, and when the accidental impact being subject to transmitting on road surface and automobile unexpectedly depart from travel direction, can coordinate with driving system and jointly keep automobile to continue stable traveling, so the performance of automobile steering system directly affects maneuverability and the security of automobile, in actual production, need to test the performance of automobile steering system.
In prior art, the traditional shock table of general employing carries out simulation test, and traditional shock table is all generally adopt hydraulic servo cylinder, carries out load test, thus obtain test result by hydraulic servo cylinder; But existing hydraulic servo cylinder design is comparatively complicated, and cost is higher, is not suitable with needs of production.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
Adopt hydraulic servo cylinder as shock table, design is comparatively complicated, and cost is higher, is not suitable with needs of production.
Summary of the invention
In order to solve the problem that shock table design is complicated, cost is higher of prior art, embodiments provide 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 is provided, described wheel steering system impact test apparatus, comprise: twisting inertia counterweight, steering column body, steering box body, fixed support, mounting seat, guiding mechanism, pendulum system, sensing display apparatus, described steering column body is arranged on described fixed support, described steering column body upper end connects described twisting inertia counterweight, lower end is connected with described steering box body, described steering box body and described guiding mechanism are all arranged in described mounting seat, and one end of described steering box body is arranged in described guiding mechanism, described pendulum system is arranged near described guiding mechanism, described sensing display apparatus is arranged on described steering box body,
During work, described pendulum system swings and exerts a force to described guiding mechanism, impel described guiding mechanism to move, and together moves in the one end driving described steering box body to be positioned at described guiding mechanism.
Particularly, as preferably, described twisting inertia counterweight comprises: two counterweights and connecting link, and described connecting link two ends are connected with two described counterweights respectively, is connected in the middle part of described connecting link with described steering column body upper end.
Particularly, as preferably, described steering box body comprises oil cylinder, piston, steering box input shaft, steering rack, drag link, bulb, described oil cylinder is fixed in described mounting seat, described oil cylinder inside is run through and is provided with described steering rack, described piston is arranged on described steering rack, described steering rack and described steering box input shaft one end hinged, the described steering box input shaft other end is connected with described steering column body, described steering rack two ends all arrange a described drag link, the end of the drag link of any one end of described steering rack is provided with described bulb, described bulb is arranged in described guiding mechanism, described sensing display apparatus is arranged on described drag link.
Particularly, as preferably, described guiding mechanism comprises the guide, the slide block that are provided with draw-in groove, described guide is fixed on described mounting seat edge, and 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 also exerts a force to described slide block, and impelling described bulb and described slide block one to coexist, described draw-in groove is interior moves, and the direction of described motion is parallel with described steering rack.
Particularly, as preferably, described pendulum system comprises mounting bracket, stepper motor and whipple hammer, described mounting bracket is arranged near described guide, described whipple hammer is arranged on described mounting bracket, described whipple hammer is connected with described stepper motor, the reciprocally swinging on described mounting bracket of whipple hammer described in described driving stepper motor, and described whipple hammer is used for slide block described in hammering.
Particularly, as preferably, described fixed support comprises the first fixing support and dismountable second support, and described first support is arranged near described mounting seat edge, described second support installing is at described first pedestal upper end, and described steering column body is arranged on described second support.
Particularly, as preferably, described sensing display apparatus adopts strain gauge.
On the other hand, provide a kind of wheel steering system impact test method, described test method comprises:
Start pendulum system, described pendulum system is swung and to guiding mechanism force, impel described guiding mechanism to move, and together moves in the one end driving steering box body to be positioned at described guiding mechanism;
Store described steering box body be hit by the sensing display apparatus record on steering box body.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
The invention provides a kind of wheel steering system impact test apparatus and method, steering column body is arranged on fixed support, steering column body two ends connect twisting inertia counterweight respectively, steering box body connects, steering box body and guiding mechanism are all arranged in mounting seat, and one end of steering box body is arranged in guiding mechanism, pendulum system is arranged near guiding mechanism, and sensing display apparatus is arranged on steering box body; Swung by pendulum system and exert a force to guiding mechanism, guiding mechanism is impelled to move, and together move in the one end driving steering box body to be positioned at guiding mechanism, and be hit by sensing display apparatus record steering box body, by the data of these records, analytical test can be carried out to the performance of wheel steering system; Test unit structure provided by the invention is simple, and cost is lower, and actual production is with the obvious advantage; Test method provided by the invention, convenient and flexible operation, efficiency is higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the wheel steering system impact test apparatus structural representation that the embodiment of the present invention provides;
Wherein, 1 twisting inertia counterweight, 11 counterweights, 12 connecting links,
2 steering column bodies,
3 fixed supports, 31 first supports, 32 second supports,
4 steering box bodies, 41 oil cylinders, 42 steering box 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.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in 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 wheel steering system impact test apparatus, comprise: twisting inertia counterweight 1, steering column body 2, steering box body 4, fixed support 3, mounting 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, lower end is connected with described steering box body 4, described steering box body 4 is all arranged in described mounting seat 7 with described guiding mechanism 5, and one end of described steering box body 4 is arranged in described guiding mechanism 5, described pendulum system 6 is arranged near described guiding mechanism 5, described sensing display apparatus is arranged on described steering box body 4,
Wherein, test unit of the present invention to be hit process to simulate actual vehicle, thus the performance that it is subject to impacting rear vehicle is tested and analyzed, to instruct actual production and to improve, matching requirements of the present invention are carried out according to real vehicle completely, and the impulsive force be subject to also is observe real vehicle operating mode to carry out;
Mounting seat 7 generally adopts existing testing table, steering column body 2, steering box body 4 are prior art, closure dish in the upper end reality of steering column body 2, twisting inertia counterweight 1 is then adopted to replace in the present invention, so that the inertial force provided when simulating people's direction of operating dish in reality, thus play the effect suppressing to impact, and be connected with tire in the end reality of steering box body 4, in the present invention, be connected with guiding mechanism 5, by the hammering of pendulum system 6, namely actual impact is simulated, during work, described pendulum system 6 swings and exerts a force to described guiding mechanism 5, described guiding mechanism 5 is impelled to move, and together move in the one end driving described steering box body 4 to be positioned at described guiding mechanism 5, by the impact parameter that the sensing display apparatus record be arranged on steering box body 4 is transmitted by pendulum system 6, as stressed size, continue and transformation period etc., by people for carrying out data analysis.
Wheel steering system impact test apparatus provided by the invention, steering column body 2 is arranged on fixed support 3, steering column body 2 two ends connect twisting inertia counterweight 1 respectively, steering box body 4 connects, steering box body 4 and guiding mechanism 5 are all arranged in mounting seat 7, and one end of steering box body 4 is arranged in guiding mechanism 5, pendulum system 6 is arranged near guiding mechanism 5, and sensing display apparatus is arranged on steering box body 4; Swung by pendulum system 6 and exert a force to guiding mechanism 5, guiding mechanism 5 is impelled to move, and together move in the one end driving steering box body 4 to be positioned at guiding mechanism 5, and be hit by sensing display apparatus record steering box body 4, by the data of these records, analytical test can be carried out to the performance of wheel steering system; Test unit structure provided by the invention is simple and can control flexibly, and cost is lower, and actual production is with the obvious advantage.
As shown in Figure 1, particularly, as preferably, described twisting inertia counterweight 1 comprises: two counterweights 11 and connecting link 12, and described connecting link 12 two ends respectively counterweight 11 described with two are connected, and are connected in the middle part of described connecting link 12 with described steering column body 2 upper end.Setting like this, so that the inertial force provided when simulating people's direction of operating dish in reality, thus plays the effect suppressing to impact.
As shown in Figure 1, particularly, as preferably, described steering box body 4 comprises oil cylinder 41, piston, steering box input shaft 42, steering rack, drag link 43, bulb 44, described oil cylinder 41 is fixed in described mounting seat 7, described oil cylinder 41 inside is run through and is provided with described steering rack, described piston is arranged on described steering rack, described steering rack and described steering box input shaft 42 one end hinged, described steering box input shaft 42 other end is connected with described steering column body 2, described steering rack two ends all arrange a described drag link 43, the end of the drag link 43 of any one end of described steering rack is provided with described bulb 44, described bulb 44 is arranged in described guiding mechanism 5, described sensing display apparatus is arranged on described drag link 43.Steering box body 4 is prior art, in the present invention, changes its one end, this end is provided with bulb 44, bulb 44 is generally provided with ball pin.
As shown in Figure 1, particularly, as preferably, described guiding mechanism 5 comprises the guide 51, the slide block 53 that are provided with draw-in groove 52, and 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 bulb 44 is 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, impel described bulb 44 and described slide block 53 1 to coexist in described draw-in groove 52 to move, and the direction that described slide block 53 moves is parallel with described steering rack, now, namely the power that pendulum system 6 applies simulated actual tire place and impacted, thus be passed on steering box body 4, namely by slide block 53, bulb 44, drag link 43, until be delivered to the sensing display apparatus that drag link 43 is arranged, and record the impact parameter transmitted by pendulum system 6, as stressed size, continue and transformation period etc., by people for carrying out data analysis.
As shown in Figure 1, particularly, as preferably, described pendulum system 6 comprises mounting bracket 62, stepper motor and whipple hammer 61, described mounting bracket 62 is arranged near described guide 51, and described whipple hammer 61 is arranged on described mounting bracket 62, and described whipple hammer 61 is connected with described stepper motor, whipple hammer 61 described in described driving stepper motor is reciprocally swinging on described mounting bracket 62, and described whipple hammer 61 is for slide block described in hammering 53.Wherein, the parameters such as the amplitude of fluctuation of pendulum and dynamics, all by stepper motor, control flexibly according to actual needs, provide different impact energys, to tackle different situations.
As shown in Figure 1, particularly, as preferably, described fixed support 3 comprises the first fixing support 31 and dismountable second support 32, described first support 31 is arranged near described mounting seat 7 edge, described second support 32 is arranged on described first support 31 upper end, and described steering column body 2 is arranged on described second support 32.Wherein, the second support 32 can be dismantled flexibly, can fix the steering column body 2 of multiple different model, practical application is very convenient.
As shown in Figure 1, particularly, as preferably, described sensing display apparatus adopts strain gauge.Wherein, sensing display apparatus also can adopt 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 comprises:
Start pendulum system 6, make described pendulum system 6 swing and exert a force to guiding mechanism 5, impel described guiding mechanism 5 to move, and together move in the one end driving steering box body 4 to be positioned at described guiding mechanism 5;
Store described steering box body 4 be hit by the sensing display apparatus record on steering box body 4.Think and the parameter that these are recorded analyzed.
Wheel steering system impact test method provided by the invention, steering column body 2 is arranged on fixed support 3, steering column body 2 two ends connect twisting inertia counterweight 1 respectively, steering box body 4 connects, steering box body 4 and guiding mechanism 5 are all arranged in mounting seat 7, and one end of steering box body 4 is arranged in guiding mechanism 5, pendulum system 6 is arranged near guiding mechanism 5, and sensing display apparatus is arranged on steering box body 4; Swung by pendulum system 6 and exert a force to guiding mechanism 5, guiding mechanism 5 is impelled to move, and together move in the one end driving steering box body 4 to be positioned at guiding mechanism 5, and be hit by sensing display apparatus record steering box body 4, by the data of these records, analytical test can be carried out to the performance of wheel steering system; Test method provided by the invention, convenient and flexible operation and can controlling flexibly, efficiency is higher.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a wheel steering system impact test apparatus, it is characterized in that, described wheel steering system impact test apparatus, comprise: twisting inertia counterweight, steering column body, steering box body, fixed support, mounting seat, guiding mechanism, pendulum system, sensing display apparatus, described steering column body is arranged on described fixed support, described steering column body upper end connects described twisting inertia counterweight, lower end is connected with described steering box body, described steering box body and described guiding mechanism are all arranged in described mounting seat, and one end of described steering box body is arranged in described guiding mechanism, described pendulum system is arranged near described guiding mechanism, described sensing display apparatus is arranged on described steering box body,
During work, described pendulum system swings and exerts a force to described guiding mechanism, impel described guiding mechanism to move, and together moves in the one end driving described steering box body to be positioned at described guiding mechanism.
2. wheel steering system impact test apparatus according to claim 1, it is characterized in that, described twisting inertia counterweight comprises: two counterweights and connecting link, and described connecting link two ends are connected with two described counterweights respectively, is connected in the middle part of described connecting link with described steering column body upper end.
3. wheel steering system impact test apparatus according to claim 1, it is characterized in that, described steering box body comprises oil cylinder, piston, steering box input shaft, steering rack, drag link, bulb, described oil cylinder is fixed in described mounting seat, described oil cylinder inside is run through and is provided with described steering rack, described piston is arranged on described steering rack, described steering rack and described steering box input shaft one end hinged, the described steering box input shaft other end is connected with described steering column body, described steering rack two ends all arrange a described drag link, the end of the drag link of any one end of described steering rack is provided with described bulb, described bulb is arranged in described guiding mechanism, described sensing display apparatus is arranged on described drag link.
4. wheel steering system impact test apparatus according to claim 3, it is characterized in that, described guiding mechanism comprises the guide, the slide block that are provided with draw-in groove, described guide is fixed on described mounting seat edge, described slide block is arranged in described draw-in groove, described bulb is connected by ball pin with described slide block, during work, described pendulum system swings and exerts a force to described slide block, impel described bulb and described slide block one to coexist in described draw-in groove to move, and the direction of described motion is parallel with described steering rack.
5. wheel steering system impact test apparatus according to claim 4, it is characterized in that, described pendulum system comprises mounting bracket, stepper motor and whipple hammer, described mounting bracket is arranged near described guide, described whipple hammer is arranged on described mounting bracket, described whipple hammer is connected with described stepper motor, the reciprocally swinging on described mounting bracket of whipple hammer described in described driving stepper motor, and described whipple hammer is used for slide block described in hammering.
6. wheel steering system impact test apparatus according to claim 1, it is characterized in that, described fixed support comprises the first fixing support and dismountable second support, described first support is arranged near described mounting seat edge, described second support installing is at described first pedestal upper end, and described steering column body is arranged on described second support.
7. wheel steering system impact test apparatus according to claim 1, is characterized in that, described sensing display apparatus adopts strain gauge.
8. utilize a test method for the wheel steering system impact test apparatus described in any one of claim 1-7, it is characterized in that, described test method comprises:
Start pendulum system, described pendulum system is swung and to guiding mechanism force, impel described guiding mechanism to move, and together moves in the one end driving steering box body to be positioned at described guiding mechanism;
Store described steering box body be hit by the sensing display apparatus record on steering box body.
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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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| CN104502049B CN104502049B (en) | 2017-02-22 |
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Cited By (4)
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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 |
| CN110749409A (en) * | 2019-08-05 | 2020-02-04 | 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 |
| CN113984320A (en) * | 2021-11-04 | 2022-01-28 | 东风汽车集团股份有限公司 | Device and method for verifying impact strength between steering gear shell and gear rack |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| FR3074901B1 (en) * | 2017-12-11 | 2020-08-28 | Psa Automobiles Sa | IMPACT SENSITIVE EQUIPMENT TEST (S) COUPLED TO A VEHICLE STEERING WHEEL |
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| 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 |
| CN113984320A (en) * | 2021-11-04 | 2022-01-28 | 东风汽车集团股份有限公司 | Device and method for verifying impact strength between steering gear shell and gear rack |
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