CN103954459A - Automotive suspension test bed - Google Patents
Automotive suspension test bed Download PDFInfo
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- CN103954459A CN103954459A CN201410180482.3A CN201410180482A CN103954459A CN 103954459 A CN103954459 A CN 103954459A CN 201410180482 A CN201410180482 A CN 201410180482A CN 103954459 A CN103954459 A CN 103954459A
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- testing table
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Abstract
The invention discloses an automotive suspension test bed, relates to the technical field of fatigue verification for an automotive suspension and provides the automotive suspension test bed which is simple in structure, high in strength and capable of shortening the development and verification period of the automotive suspension and reducing test expenditures. The automotive suspension test bed comprises a plurality of stand columns, wherein a clamp plate with the height and the angle adjustable is installed on each stand column, and a calibrating mark is further arranged on each stand column and used for calibrating the installation position of the corresponding clamp plate. The automotive suspension test bed further comprises a loading mechanism used for being connected with a loading device, the stand columns are assembled with an automotive frame through the clamp plates in a matched and connected mode, the loading mechanism is connected with a brake disc on the frame, and the direction of the loading device is controlled so that the loading mechanism can perform suspension endurance verification under different working conditions. The automotive suspension test bed is mainly used in tests of fatigue verification for the automotive suspension.
Description
Technical field
The present invention relates to the tired verification technique of automotive suspension field, relate in particular to a kind of automotive suspension testing table.
Background technology
Along with social development, lightweight, security and comfortableness are pursued in Hyundai Motor design.In the time that running car is on road surface, according to the variation of road conditions, the operating mode of automobile is corresponding changing also, for example, be given a shock, impact etc., and wherein, automobile primary will carry out impact-absorbing power etc. by suspension system, and therefore the lightweight of suspension and security are particularly important.
Particularly, automotive suspension refers to the syndeton between vehicle body, vehicle frame and wheel, it has mainly comprised the parts such as vibroshock, bearing spring, control arm and longitudinal rod, can play the effect of the force and moment of transfer function between vehicle frame and wheel, and play the effect of passing to the impulsive force of vehicle body or vehicle frame because of Uneven road that cushions, the vibrations that decay causes thus simultaneously, to ensure that automobile can hug the road.Wherein, automotive suspension testing table is mainly used for simulated automotive in reality is driven, and automotive suspension is carried out to the test under different operating modes, to complete the global design to automotive suspension, realizes the object of suspension lightweight, security and comfortableness.Automotive suspension testing table in prior art, conventionally adopt the mode of fixed car vehicle body to be fixed suspension, the Installation posture of the method suspension is accurate, can ensure the real vehicle installment state of the parts such as vehicle frame, bearing spring, vibroshock, but vehicle body takes up room large and intensity is lower, cause vehicle body holding clamp heaviness, be difficult for adjusting, cause the test period to increase and produce the test funds of great number.
Therefore, how to develop a kind of simple in structure, intensity is high, and the automotive suspension testing table that can shorten suspension exploitation proving period and reduce test funds becomes those skilled in the art's urgent problem.
Summary of the invention
Embodiments of the invention provide a kind of automotive suspension testing table, and to provide, one is simple in structure, intensity is high, and can shorten suspension exploitation proving period and reduce the automotive suspension testing table of test funds.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of automotive suspension testing table, comprises multiple columns, the clamping plate of be provided with on described column highly, angle is adjustable; On described column, be also provided with demarcation symbol, for demarcating the installation site of described clamping plate; Described automotive suspension testing table also comprises the load maintainer for connecting loading equipemtn; Described column is mated and is linked and packed with automobile frame by described clamping plate, and described load maintainer is connected with the brake flange on described vehicle frame, controls described loading equipemtn direction and makes described load maintainer under different operating modes, carry out the durable checking of suspension.
Wherein, the each wheel position of corresponding automobile place in described automotive suspension, described testing table includes three described columns and a described load maintainer; The gin pole that three described columns are respectively the front column that is fixedly connected with described vehicle frame and rear column, are jointly connected with the control arm of described suspension and vibroshock, spiral spring.
Particularly, described clamping plate comprise rectangular parallelepiped base plate and jig, and described jig comprises the deck matching with described base arrangement, size and the clamp being fixedly connected with described deck; On described base plate and deck, opposite position is provided with mounting hole, and described clamp is provided with connecting portion; At the described demarcation symbol place of described column, described base plate and deck are clamped to described column apparent surface above, and are fixedly connected with by the bolt through described mounting hole; Described clamp is fixedly connected with described vehicle frame relevant position by connecting portion.
Wherein, be also provided with reinforcement between the deck of described jig and clamp, described reinforcement one end face is fixedly connected with described deck surface, another adjacent face is fixedly connected with described clamp surface.
Further, described front column is provided with rear column the vehicle frame clamping plate that structure is identical, and described gin pole is provided with the control arm clamping plate that are connected with described irs control arm and the vibroshock clamping plate that are connected with described suspension vibroshock; Described load maintainer comprises the loading arm being connected with described brake flange and the roller being connected with described loading arm; Described roller is positioned at described loading arm downside, and for supporting described loading arm; Described loading arm or roller can be connected with described loading equipemtn.
When practical application, the distance between the corresponding described brake flange center of described loading arm and described roller center is automotive wheel rolling radius.
Wherein, the described connecting portion on the clamp of described vehicle frame clamping plate is through hole, and described clamp is fixedly connected with described vehicle frame relevant position by the bolt through described through hole; Between the clamp of described control arm clamping plate and the control arm of described suspension, bolt is connected.
Particularly, the clamp of described vibroshock clamping plate is provided with engraved structure, and the vibroshock top of described suspension is connected with described vibroshock clamping plate at described engraved structure place; The setting angle of described vibroshock clamping plate is consistent with described vibroshock space angle.
Further, described loading arm comprises base and is fixed on the web joint on described base, on described web joint, extend and have L-type linking arm, described web joint is fixedly connected with described brake flange end face, and on described web joint, corresponding described brake flange center position is provided with spherical hinge type the first web member; The corresponding described brake flange circumferential end faces of described L-type linking arm place is provided with the second web member; Described the first web member is used for being connected described loading equipemtn with the second web member in good time; The shaft core position place of described roller is connected with support, and described support is connected with described bolt of lower base, and the orientation of described roller is adjustable.
When practical application, described loading equipemtn is actuator; In the time of simulating brake operating mode, described actuator is connected with described support, and described roller rolls along described vehicle frame bearing of trend; In the time of simulate for lateral operating mode, described actuator is connected with described support, and described roller is along rolling perpendicular to described vehicle frame bearing of trend; In the time of the longitudinal operating mode of simulation, described actuator is connected with described the second web member, and described roller rolls along described vehicle frame bearing of trend; In the time of the upper jumping of simulation, lower jumping operating mode, described actuator is connected with described the first web member.
In the automotive suspension testing table that the embodiment of the present invention provides, the adjustable clamping plate of height, angle that include multiple columns and be provided with on it, and for demarcating the demarcation symbol of clamping plate installation site; Automotive suspension testing table can also comprise the load maintainer for connecting loading equipemtn; Column is mated and is linked and packed with automobile frame by clamping plate, load maintainer is connected (wheel position in brake flange correspondent entity automobile) with the brake flange on vehicle frame, the checking such as controlled loading device orientation makes that load maintainer carries out under different operating modes that suspension fatigue is durable, multiple degrees of freedom or maintenance.Analyze thus known, different parts on automobile frame are fixedly connected with by the clamping plate of counter structure with it, clamping plate are connected with the fixing coupling of high-intensity column in relevant position simultaneously, thereby the support that completes vehicle frame is fixed, the height of its middle clamp plate and angle can accurately be located by the demarcation symbol on column, are consistent ensureing with the rigging position of the suspension of entity automobile; Particularly, brake flange on vehicle frame is fixedly connected with loading equipemtn by load maintainer, with realize by controlled loading equipment make that load maintainer drives that brake flange (wheel) carries out under different operating modes that the fatigue of suspension is durable, the checking such as multiple degrees of freedom or maintenance.Due to the automotive suspension testing table of the present embodiment only by column and clamping plate by vehicle frame fixed support, and the height of each clamping plate and angle adjustable, bulk strength is high, simple in structure, easy to assembly, effectively shortens the Test-bed Design construction cycle; And, be directly connected with loading equipemtn by load maintainer, can adapt to carry out multiple checking under the different operating mode of being suspended in of different model, easy to use, can shorten suspension proving period and reduce test funds.
Brief description of the drawings
The structural representation of the automotive suspension testing table that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the vehicle frame clamping plate schematic diagram in the embodiment of the present invention;
Fig. 3 is the control arm clamping plate schematic diagram in the embodiment of the present invention;
Fig. 4 is the vibroshock clamping plate schematic diagram in the embodiment of the present invention;
Fig. 5 is the loading arm structural representation in the embodiment of the present invention;
Fig. 6 is roller and the supporting structure schematic diagram in the embodiment of the present invention;
The development process figure of the automotive suspension testing table that Fig. 7 provides for the embodiment of the present invention.
In figure, 1 is that column, 11 is that front column, 12 is that rear column, 13 is gin pole; 2 is that clamping plate, 21 are that base plate, 22 is that jig, 221 is that deck, 222 clamps, 223 are reinforcement; 2a is that vehicle frame clamping plate, 2b are that control arm clamping plate, 2c are vibroshock clamping plate; 3 is that load maintainer, 31 is that loading arm, 32 is that roller, 311 is that base, 312 is that web joint, 313 is that L-type linking arm, 331 is that spherical hinge type the first web member, 332 is that the second web member, 333 is support; 41 is brake flange; 42 is control arm; 43 is vibroshock spiral spring.
Embodiment
Below in conjunction with accompanying drawing, a kind of automotive suspension testing table of the embodiment of the present invention is described in detail.
The embodiment of the present invention provides a kind of automotive suspension testing table, as shown in Figure 1, comprises multiple columns 1, the clamping plate 2 of be provided with on column 1 highly, angle is adjustable; On column 1, be also provided with demarcation symbol, for demarcating the installation site of clamping plate 2; Automotive suspension testing table also comprises the load maintainer 3 for connecting loading equipemtn (not shown); Column 1 is mated and is linked and packed with automobile frame by clamping plate 2, and load maintainer 3 is connected with the brake flange 41 on vehicle frame, and controlled loading device orientation makes load maintainer 3 under different operating modes, carry out the durable checking of suspension.
In the automotive suspension testing table that the embodiment of the present invention provides, include height, clamping plate that angle is adjustable are installed on multiple columns and its, and for demarcating the demarcation symbol of clamping plate installation site; Automotive suspension testing table can also comprise the load maintainer for connecting loading equipemtn; Column is mated and is linked and packed with automobile frame by clamping plate, load maintainer is connected (wheel position in brake flange correspondent entity automobile) with the brake flange on vehicle frame, the checking such as controlled loading device orientation makes that load maintainer carries out under different operating modes that suspension fatigue is durable, multiple degrees of freedom or maintenance.Analyze thus known, different parts on automobile frame are fixedly connected with by the clamping plate of counter structure with it, clamping plate are connected with the fixing coupling of high-intensity column in relevant position simultaneously, thereby the support that completes vehicle frame is fixed, the height of its middle clamp plate and angle can accurately be located by the demarcation symbol on column, are consistent ensureing with the rigging position of the suspension of entity automobile; Particularly, brake flange on vehicle frame is fixedly connected with loading equipemtn by load maintainer, with realize by controlled loading equipment make that load maintainer drives that brake flange (wheel) carries out under different operating modes that the fatigue of suspension is durable, the checking such as multiple degrees of freedom or maintenance.Due to the automotive suspension testing table of the present embodiment only by column and clamping plate by vehicle frame fixed support, and the height of each clamping plate and angle adjustable, bulk strength is high, simple in structure, easy to assembly, effectively shortens the Test-bed Design construction cycle; And, be directly connected with loading equipemtn by load maintainer, can adapt to carry out multiple checking under the different operating mode of being suspended in of different model, easy to use, can shorten suspension proving period and reduce test funds.
It should be noted that herein, act on identical owing to being suspended in automobile driving wheel and/or engaged wheel place, and be generally and be symmetrical arranged, therefore only need the monolateral suspension of checking, verify the independent suspension performance at a wheel place, just therefore the whole suspension performance at known other driving wheel and/or engaged wheel place, is only the testing table assembling situation of monolateral suspension shown in Fig. 1.Carry out if necessary the bilateral checking of suspension; only need be on the assembly foundation shown in Fig. 1; move 20cm place along vehicle bridge direction; install one or more columns and a load maintainer additional, in the time installing a column additional, this column is for being connected with vibroshock, the controller of automotive suspension; wherein; for whole vehicle frame, be conventionally also provided with support post, ensure the fixing stationarity of vehicle frame entirety.
Particularly, the each brake flange 41 of corresponding automotive suspension (wheel) position, testing table can at least include three columns 1 and a load maintainer 3, and wherein, for simple and economicization of Pass Test platform entirety assembling, above-mentioned column 1 is preferably three.Wherein, as shown in Figure 1, three columns 1 are respectively the front column 11 and the rear column 12 that are fixedly connected with vehicle frame, and the gin pole 13 being jointly connected with the control arm 42 of suspension and vibroshock, spiral spring 43.When practical application, each column 1 specifically can include a base, a pillar, and is positioned at base and props up column bottom the reinforcement that works the integrated support intensity of strengthening column 1; Wherein, pillar can be joist steel, but considers the bulk strength that improves testing table, the present embodiment B-C post is preferably square steel, each side bottom of square steel has respectively two reinforcements that spacing is suitable, and in Fig. 1, reinforcement is ladder-shaped support, and two ladder-shaped supports be arranged in parallel.Particularly, the square steel size of the front column 11 in the present embodiment and rear column 12 can can be 2.5cm*7cm*20cm (the trapezoidal upper base * of corresponding reinforcement go to the bottom * high) for 29cm*29cm*3cm (length of side * length of side * thickness of corresponding base), reinforcement size for 15cm*15cm*88cm (length of side * length of side * of corresponding square steel is high), base size; The square steel size of gin pole 13 can can be 2.5cm*7cm*33cm (the trapezoidal upper base * of corresponding reinforcement go to the bottom * high) for 29cm*29cm*3cm (length of side * length of side * thickness of corresponding base), reinforcement size for 15cm*15cm*133cm (length of side * length of side * of corresponding square steel is high), base size.Wherein, between each parts of column 1, be fixedly connected with by continuous welding.
When practical application, the design of clamping plate 2, under the prerequisite of real vehicle installment state that ensures the parts such as vehicle frame, bearing spring, vibroshock (vibroshock spiral spring 43) and control arm 42, is followed the principle that reduces material and be convenient to processing.If Fig. 1 is in conjunction with as shown in Fig. 2 to Fig. 4, be specifically as follows, clamping plate 2 comprise rectangular parallelepiped base plate 21 and jig 22, wherein, jig 22 comprises the deck 221 matching with base plate 21 structures, size and the clamp 222 being fixedly connected with deck 221; And opposite position is provided with mounting hole on base plate 21 and deck 221,, in the time of assembling, base plate 21 is coaxial with the mounting hole on deck 221, and clamp 222 is provided with connecting portion, and this connecting portion is for being connected with vehicle frame coupling.In the practical set of testing table, base plate 21 and deck 221 are clamped to column 1 and demarcate on the apparent surface at symbol place, and be fixedly connected with by the bolt through mounting hole; In addition, clamp 222 is fixedly connected with by modes such as bolts with vehicle frame relevant position by connecting portion.Wherein, on the base plate 21 of each clamping plate 2 He on deck 221, be equipped with four mounting holes, and be evenly suitably distributed near four right angles place of base plate 21 and deck 221, be convenient to install.
Wherein, in order to ensure corresponding component and the stable connection of column 1 in the checkings such as operating mode of vehicle frame, suspension, between the deck 221 of jig 22 and clamp 222, can also be provided with reinforcement 223, reinforcement 223 1 end faces are fixedly connected with deck 221 surfaces, another adjacent face is fixedly connected with clamp 222 surfaces.Wherein, in Fig. 2 to Fig. 4, this reinforcement 223 mostly is triangular structure of right angle.
When the practical set of testing table as shown in Figure 1, front column 11 is provided with rear column 12 the vehicle frame clamping plate 2a that structure is identical, gin pole 13 be provided with the control arm clamping plate 2b that is connected with irs control arm 42 with and the vibroshock clamping plate 2c that is connected with suspension vibroshock, spiral spring 43 of top.Shown in Fig. 1, be connected and fixed the load maintainer 3 of loading equipemtn and brake flange 41 in order to the motion state of simulating wheel, specifically can include: the loading arm 31 being connected with brake flange 41 and the roller 32 being connected with loading arm 31, roller 32 is positioned at loading arm 31 downsides, and for the friction on supporting loading arm 31 and minimizing and ground; Loading arm 31 or roller 32 can be connected with loading equipemtn is changeable under different operating modes.Wherein, be suspended in the strained situation of real vehicle in travelling in order highly to meet, distance between loading arm 31 corresponding brake flange 41 centers and roller 32 centers is automotive wheel rolling radius, the vehicle wheel roll radius while being specifically as follows automobile semi-load (take advantage of and carry two to three people).
It should be noted that, vibroshock, spiral spring in the present embodiment are specially spiral spring and are sleeved on outside telescopic shock absorber herein, therefore in this testing table, only need vibroshock clamping plate can achieve a fixed connection vibroshock, two sprung parts of spiral spring.
When practical application, in order to improve the processing and fabricating efficiency of clamping plate 2 and the holistic conformation efficiency of testing table, vehicle frame clamping plate 2a can be universal clamp plate, and the connecting portion on its clamp 222 is through hole, and clamp 222 is fixedly connected with vehicle frame relevant position by the bolt through above-mentioned through hole.In the present embodiment, as depicted in figs. 1 and 2, in vehicle frame clamping plate 2a, the concrete size of base plate 21 and deck 221 can be 27cm*15.5cm*2.5cm (length of side * length of side * thickness of corresponding base plate 21 or deck 221); The concrete size of clamp 222 can be 20cm*15cm*4cm (length of side * length of side * thickness of corresponding clamp 222).Wherein, control arm clamping plate 2b and vibroshock clamping plate 2c are the key positions of automotive suspension testing table, can be adopted as plywood, and its function is consistent with real vehicle Installation posture in order further to guarantee suspension Installation posture.As shown in Figure 1, be that bolt is connected because the special construction of irs control arm 42 causes the connected mode between the clamp 222 of control arm clamping plate 2b and the control arm 42 of suspension.Particularly, the structure of control arm clamping plate 2b can be as shown in Figure 3.Wherein, the structure of the connecting portion of control arm 42 is set according to irs control arm 42, and the clamp 222 of control arm clamping plate 2b is platy structure, itself and deck 221 simple in structure, secure and reliable connection.
Wherein, as shown in Figure 1, in order accurately to locate vibroshock, the angle of spiral spring 43 is consistent with the setting angle in real vehicle, and only by adjusting height and the angle between vibroshock clamping plate 2c and column 1, just can realize above-mentioned accurate location, particularly, clamp and deck angle are determined according to column frock position and digital-to-analogue position, vibroshock space, and draw vibroshock clamping plate digital-to-analogue, in addition, for with the present embodiment in vibroshock, spiral spring 43 adapts for the structure that spiral spring is sleeved on outside telescopic shock absorber, on the clamp of vibroshock clamping plate 2c, can be provided with engraved structure, as shown in Figure 4, the vibroshock of suspension, spiral spring 43 tops are connected with vibroshock clamping plate 2c at engraved structure place, consistent with the vibroshock space angle in real vehicle to ensure the setting angle of vibroshock clamping plate 2c.Particularly, owing to being cavity in above-mentioned engraved structure, thering is successively enough spaces and hold the vibroshock of not allowing orientation, angle, certainly, these vibroshock clamping plate 2c is fixedly connected with engraved structure place and vibroshock, spiral spring 43, need to be by other instrument, and such as clamping tool etc.
When practical application, in order to realize under different operating modes, loading frock is carried out integrated, cut down jig processing quantity, with cost-saving, loading equipemtn can changeablely be connected, as shown in Figure 5, the structure of loading arm 31 specifically can comprise base 311 and be fixed on the web joint 312 on base 311, on web joint 312, extend and have L-type linking arm 313, web joint 312 can be by using bolt (to include 6 in figure through the connecting hole corresponding with tire mounting hole with brake flange 41 end faces, and equidistantly arrange on same circumference) be fixedly connected with, and on web joint 312, corresponding brake flange 41 center positions are provided with spherical hinge type the first web member 331, in order to make testing table permanent durable and protect each experimental facilities, this spherical hinge type first web member 331 can be specially three-dimensional ball pin, can free movement along three directions.In the time of the longitudinal operating mode of simulation, in order to conform to situation in actual condition, loading equipemtn is connected with wheel center sectional position place, and the corresponding brake flange of L-type linking arm 313 41 circumferential end faces places can be provided with the second web member 332; The first web member 331 for being connected loading equipemtn, carries out respectively upper jumping operating mode, lower jumping operating mode and the longitudinally simulation of operating mode with the second web member 332 in good time.The shaft core position place of roller 32 is connected with support 333, and support 333 is connected with base 311 bolts, and the orientation of roller 32 is adjustable.Particularly, as shown in Figure 6, support 333 can include integrated the first link and the second link; Wherein, the connecting hole axis direction of the first link is vertical with the axis direction of roller 32, parallel with the axis direction of roller 32 with the connecting hole axis direction of loading arm 31, the second links for connecting roller 32, for connecting loading equipemtn.When practical set, two supports 333 are respectively in the both sides of roller 32; And be fixedly connected with by screw or bolt with the base 311 of loading arm 31, wherein, on base 311, have four and be right-angled intersection and be symmetrical arranged for being fixedly connected with the connecting hole of roller 32; On base 311, also can there be three and be arranged to symmetrical L-type for being fixedly connected with the connecting hole of roller 32, make corresponding adjustment to adapt to different operating modes.For example, in the time of simulating brake operating mode, wheel roll 32 with the closure of loading arm 31 as shown in Figure 1, being specially wheel, to roll 32 direction of principal axis parallel with the direction of principal axis of the brake flange 41 on loading arm 31; In the time of simulate for lateral operating mode, roller 32 is separated with loading arm 31, and in surface level 90-degree rotation, make the direction of principal axis of roller 32 vertical with the direction of principal axis of the brake flange 41 on loading arm 31.
In order to ensure stability and the accuracy of loaded load, the loading equipemtn in the present embodiment can be specially actuator, to realize being suspended in the difference checking in damped condition, horizontal operating mode, longitudinal operating mode and upper jumping, lower jumping operating mode.Wherein, can include before actuator and reconcile jig after adjusting clamp and actuator for the jig of adjusting actuator height and angle and playing supplemental support effect; Adjusting clamp is mainly used in adjusting accurately and rapidly height and the angle on actuator and ground by screw mechanism before actuator, after actuator adjusting clamp employing chute-type structure play supplemental support effect and under the cooperation of overhead traveling crane with actuator before the adjustment of adjusting clamp adapt.
Particularly, in the time of loading equipemtn simulating brake operating mode, by the parallel installation of direction of principal axis locked brake flange 41 and that wheel is rolled to 32 direction of principal axis and the brake flange 41 on loading arm 31, actuator is connected with support 333 bolts on roller 32, and above-mentioned rollers 32 is rolled along vehicle frame bearing of trend, to verify the various performances such as the fatigue being suspended in damped condition is durable.
In the time of loading equipemtn simulate for lateral operating mode, by locked brake flange 41 and wheel is rolled to the direction of principal axis at right angle setting of the brake flange 41 on 32 direction of principal axis and loading arm 31, actuator is connected with support 333 bolts on roller 32, and above-mentioned rollers 32 is along rolling perpendicular to vehicle frame bearing of trend, to verify the various performances such as the fatigue being suspended in horizontal operating mode is durable.
In the time that loading equipemtn is simulated longitudinal operating mode, by the parallel installation of direction of principal axis locked brake flange 41 and that wheel is rolled to 32 direction of principal axis and the brake flange 41 on loading arm 31, actuator is fixedly connected with second web member 332 at L-type linking arm 313 places on loading arm 31, and above-mentioned rollers 32 is rolled along vehicle frame bearing of trend, to verify the various performances such as the fatigue being suspended in longitudinal operating mode is durable.
In the time of the upper jumping of loading equipemtn simulation, lower jumping operating mode, wheel is rolled to 32 to be separated with loading arm 31, spherical hinge type the first web member 331 that actuator is provided with corresponding brake flange 41 center positions on web joint 312 connects, to verify the various performances such as the fatigue being suspended in upper jumping, lower jumping operating mode is durable.
By Fig. 1 and Fig. 7, design cycle and the installation process of the automotive suspension testing table to above-described embodiment description are described in detail below; The development process figure of the automotive suspension testing table that Fig. 7 provides for the embodiment of the present invention.
First, under digital-to-analogue form, determine suspension assembly, and according to the concrete structure drawing three-dimensional control arm clamping plate 2b of the control arm 42 in suspension and vibroshock, spiral spring 43 and vibroshock clamping plate 2c and the height of adjusting loading arm 31 according to vehicle wheel roll radius to draw out load maintainer 3; Secondly, in three-dimensional software, by clamping plate 2 and load maintainer 3, suspension assembly and column 1 are connected and fixed, and measure, record testing table installation dimension, specifically comprise: relative position between each column 1, concrete height, control arm clamping plate 2b and the vibroshock clamping plate 2c of vehicle frame clamping plate 2a on front column 11, rear column 12 are in concrete height and the angle of gin pole 13; Then,, according to the concrete model processing entity workpiece of column 1, clamping plate 2 and load maintainer 3 in three-dimensional digital-to-analogue, according to the overall installation size of testing table, each entity workpiece and suspension assembly are carried out to holistic conformation, assembling; Finally, connect loading equipemtn, and under different operating modes to suspension carry out that fatigue is durable, the checking such as multiple degrees of freedom or maintenance.Wherein, the design of the fixing tool in the automotive suspension testing table that the embodiment of the present invention provides is all to carry out intensive analysis and structure optimization by CAE (Computer Aided Engineering, computer-aided engineering) analysis software; Meet on the basis of requirement of strength ensureing, optimize structure, frock loss of weight, reduce operating personnel's labour intensity.
From the structure of above-mentioned automotive suspension testing table and design, installation process, the mode that is fixedly connected with that the one-piece construction of testing table adopts column 1 to match with the suspension of different structure form with clamping plate 2 and load maintainer 3; And the frock of testing table is relied on suspension digital-to-analogue, can locate exactly and adjust neatly for different suspensions, to realize fixing highly consistent with the fixing maintenance on entity vehicle frame on experiment table of automotive suspension, thus can be exactly to suspension carry out that fatigue under different operating modes is durable, the checking such as multiple degrees of freedom or maintenance.Because the design of this testing table is based on the design of car load digital-to-analogue, can in assembling digital-to-analogue, gets rid of in advance the interference hidden danger that may predict, thereby reduce, even avoided frock the work such as repeatedly to adjust in a large number.Therefore, the automotive suspension testing table that the embodiment of the present invention provides is that one is simple in structure, intensity is high, and can shorten suspension exploitation proving period and reduce the automotive suspension testing table of test funds.In addition, simultaneously for designing and developing of the tired demonstration test platform of automotive suspension provides a kind of new theory and thinking, this automotive suspension testing table is in proof strength and on the basis of accurately locating, there is highly versatile, adjustability is strong, and its structure optimization, frock loss of weight and installation process are simple, thereby reduce testing table building personnel's Capability Requirement and labour intensity, be convenient to succession, and then also improved the reliability demonstration efficiency of vehicle chassis system.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection domain of claim.
Claims (10)
1. an automotive suspension testing table, is characterized in that, comprises multiple columns, the clamping plate of be provided with on described column highly, angle is adjustable; On described column, be also provided with demarcation symbol, for demarcating the installation site of described clamping plate; Described automotive suspension testing table also comprises the load maintainer for connecting loading equipemtn;
Described column is mated and is linked and packed with automobile frame by described clamping plate, and described load maintainer is connected with the brake flange on described vehicle frame, controls described loading equipemtn direction and makes described load maintainer under different operating modes, carry out the durable checking of suspension.
2. automotive suspension testing table according to claim 1, is characterized in that, the each wheel position of corresponding automobile place in described automotive suspension, and described testing table includes three described columns and a described load maintainer;
The gin pole that three described columns are respectively the front column that is fixedly connected with described vehicle frame and rear column, are jointly connected with the control arm of described suspension and vibroshock, spiral spring.
3. automotive suspension testing table according to claim 2, is characterized in that, described clamping plate comprise rectangular parallelepiped base plate and jig, and described jig comprises the deck matching with described base arrangement, size and the clamp being fixedly connected with described deck; On described base plate and deck, opposite position is provided with mounting hole, and described clamp is provided with connecting portion;
At the described demarcation symbol place of described column, described base plate and deck are clamped to described column apparent surface above, and are fixedly connected with by the bolt through described mounting hole; Described clamp is fixedly connected with described vehicle frame relevant position by connecting portion.
4. automotive suspension testing table according to claim 3, it is characterized in that, between the deck of described jig and clamp, be also provided with reinforcement, described reinforcement one end face is fixedly connected with described deck surface, another adjacent face is fixedly connected with described clamp surface.
5. according to the automotive suspension testing table described in claim 3 or 4, it is characterized in that, described front column is provided with rear column the vehicle frame clamping plate that structure is identical, and described gin pole is provided with the control arm clamping plate that are connected with described irs control arm and the vibroshock clamping plate that are connected with described suspension vibroshock;
Described load maintainer comprises the loading arm being connected with described brake flange and the roller being connected with described loading arm; Described roller is positioned at described loading arm downside, and for supporting described loading arm; Described loading arm or roller can be connected with described loading equipemtn.
6. automotive suspension testing table according to claim 5, is characterized in that, the distance between the corresponding described brake flange center of described loading arm and described roller center is automotive wheel rolling radius.
7. automotive suspension testing table according to claim 6, is characterized in that, the described connecting portion on the clamp of described vehicle frame clamping plate is through hole, and described clamp is fixedly connected with described vehicle frame relevant position by the bolt through described through hole;
Between the clamp of described control arm clamping plate and the control arm of described suspension, bolt is connected.
8. automotive suspension testing table according to claim 7, is characterized in that, the clamp of described vibroshock clamping plate is provided with engraved structure, and the vibroshock top of described suspension is connected with described vibroshock clamping plate at described engraved structure place;
The setting angle of described vibroshock clamping plate is consistent with described vibroshock space angle.
9. automotive suspension testing table according to claim 8, it is characterized in that, described loading arm comprises base and is fixed on the web joint on described base, on described web joint, extend and have L-type linking arm, described web joint is fixedly connected with described brake flange end face, and on described web joint, corresponding described brake flange center position is provided with spherical hinge type the first web member;
The corresponding described brake flange circumferential end faces of described L-type linking arm place is provided with the second web member; Described the first web member is used for being connected described loading equipemtn with the second web member in good time;
The shaft core position place of described roller is connected with support, and described support is connected with described bolt of lower base, and the orientation of described roller is adjustable.
10. automotive suspension testing table according to claim 9, is characterized in that, described loading equipemtn is actuator;
In the time of simulating brake operating mode, described actuator is connected with described support, and described roller rolls along described vehicle frame bearing of trend; In the time of simulate for lateral operating mode, described actuator is connected with described support, and described roller is along rolling perpendicular to described vehicle frame bearing of trend; In the time of the longitudinal operating mode of simulation, described actuator is connected with described the second web member, and described roller rolls along described vehicle frame bearing of trend; In the time of the upper jumping of simulation, lower jumping operating mode, described actuator is connected with described the first web member.
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| CN104316330A (en) * | 2014-09-29 | 2015-01-28 | 浙江万向系统有限公司 | Light frame type rear torsion beam test device and design method thereof |
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| CN107884212A (en) * | 2017-11-27 | 2018-04-06 | 中汽研（常州）汽车工程研究院有限公司 | A kind of suspension fatigue testing equipment for road analogy test |
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| CN111486809A (en) * | 2020-05-13 | 2020-08-04 | 安美科(安徽)汽车电驱有限公司 | Detection equipment for height sensor of air suspension system |
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Effective date of registration: 20211105 Address after: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee after: GREAT WALL MOTOR Co.,Ltd. Address before: 300462 No. 99, South Street, West District, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: TIANJIN BOXIN AUTOMOBILE PARTS Co.,Ltd. |