CN103954459B - Automotive suspension test bed - Google Patents

Automotive suspension test bed Download PDF

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Publication number
CN103954459B
CN103954459B CN201410180482.3A CN201410180482A CN103954459B CN 103954459 B CN103954459 B CN 103954459B CN 201410180482 A CN201410180482 A CN 201410180482A CN 103954459 B CN103954459 B CN 103954459B
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China
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automotive suspension
loading
clamping plate
testing stand
column
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CN103954459A (en
Inventor
王连波
刘如意
殷红雷
王文才
杨尚
贾汉博
赵旭光
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TIANJIN BOXIN AUTO PARTS CO Ltd
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TIANJIN BOXIN AUTO PARTS CO Ltd
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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

Automotive suspension testing stand
Technical field
The present invention relates to automotive suspension fatigue verification technique field, more particularly, to a kind of automotive suspension testing stand.
Background technology
With social development, lightweight, safety and comfortableness are pursued in Hyundai Motor design.When running car is on road surface When, according to the change of road conditions, the operating mode of automobile also accordingly changes, for example, be given a shock, impact, and wherein, automobile primary will Absorb impulsive force etc. by suspension system, the therefore lightweight of suspension and safety is particularly important.
Specifically, automotive suspension refers to the attachment structure between vehicle body, vehicle frame and wheel, its mainly contain amortisseur, The parts such as bearing spring, control arm and longitudinal rod, can play the work transmitting the power acting between vehicle frame and wheel and moment With, and play buffering and pass to the effect of the impulsive force of vehicle body or vehicle frame because of Uneven road, decay the vibrations thus causing simultaneously, Can be hugged the road with guarantee automobile.Wherein, automotive suspension testing stand is mainly used for simulated automotive in actual driving, right Automotive suspension carries out the test under different operating modes, to complete the global design to automotive suspension, realizes suspension lightweight, safety And the purpose of comfortableness.Automotive suspension testing stand in prior art, is generally carried out to suspension by the way of fixed car vehicle body Fixing, the Installation posture of the method suspension accurately, that is, ensure that the real vehicle peace of the parts such as vehicle frame, bearing spring, amortisseur Dress state, but vehicle body takes up room larger and intensity is relatively low, causes vehicle body holding clamp heavy, is difficult to adjust, and leads to test week Phase increases and produces the test funds of great number.
Therefore, how to develop that a kind of structure is simple, intensity is high, and suspension exploitation proving period can be shortened and reduce examination The automotive suspension testing stand testing funds becomes those skilled in the art's urgent problem.
Content of the invention
Embodiments of the invention provide a kind of automotive suspension testing stand, and to provide, a kind of structure is simple, intensity is high, and can Shorten the automotive suspension testing stand that suspension is developed proving period and reduced test funds.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
A kind of automotive suspension testing stand, including multiple columns, described column is provided with height, the clamping plate of adjustable angle; Demarcation symbol is additionally provided with described column, for demarcating the installation site of described clamping plate;Described automotive suspension testing stand also includes For connecting the load maintainer of loading equipemtn;Described column is mated with automobile frame by described clamping plate and is linked and packed, described plus Mounted mechanism is connected with the brake disc on described vehicle frame, controls described loading equipemtn direction to make described load maintainer under different operating modes Carry out the durable checking of suspension.
Wherein, at corresponding each wheel position of automobile in described automotive suspension, described testing stand includes described in three Column and a described load maintainer;Three described columns are respectively the front column being fixedly connected with described vehicle frame and rear vertical The gin pole that post is connected jointly with control arm and amortisseur, the spiral spring of described suspension.
Specifically, described clamping plate includes cuboid base plate and fixture, and described fixture includes and described base arrangement, size phase The deck of coupling and the clamp being fixedly connected with described deck;Described base plate is provided with installing hole with opposite position on deck, Described clamp is provided with connecting portion;At the described demarcation symbol of described column, described base plate and deck are clamped to institute State on column apparent surface, and be fixedly connected by the bolt through described installing hole;Described clamp pass through connecting portion with described Vehicle frame relevant position is fixedly connected.
Wherein, it is additionally provided with reinforcement between the deck of described fixture and clamp, described reinforcement end face and described deck Surface is fixedly connected, another adjacent face is fixedly connected with described clamp surface.
Further, described front column and rear column are provided with structure identical vehicle frame clamping plate, and described gin pole sets Have be connected with described irs control arm to control arm splint and the amortisseur clamping plate being connected with described suspension damper;Described plus Mounted mechanism includes the loading arm being connected with described brake disc and the roller being connected with described loading arm;Described roller is located at described On the downside of loading arm, and it is used for supporting described loading arm;Described loading arm or roller can be connected with described loading equipemtn.
During practical application, the distance between the corresponding described brake disc center of described loading arm and described roller center are 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 by through described through hole Bolt be fixedly connected with described vehicle frame relevant position;Spiral shell between the described clamp controlling arm splint and the control arm of described suspension Tether and connect.
Specifically, the clamp of described amortisseur clamping plate is provided with engraved structure, and the amortisseur top of described suspension is described It is connected with described amortisseur clamping plate at engraved structure;The setting angle of described amortisseur clamping plate and described amortisseur space angle Consistent.
Further, described loading arm includes base and the connecting plate being fixed on described base, and described connecting plate prolongs It is extended with l type linking arm, described connecting plate is fixedly connected with described brake side surface, and corresponding described brake on described connecting plate It is provided with spherical hinge type first connector at disk center position;It is provided with the at the corresponding described brake disc circumferential end faces of described l type linking arm Two connectors;Described first connector and the second connector are used for the described loading equipemtn of in good time connection;The axle center position of described roller The place of putting is connected with support, and described support is connected with described bolt of lower base, and the orientation of described roller is adjustable.
During practical application, described loading equipemtn is actuator;When simulating brake operating mode, described actuator and described support Connect, and described roller rolls along described vehicle frame bearing of trend;When simulating horizontal operating mode, described actuator is with described support even Connect, and described roller rolls along perpendicular to described vehicle frame bearing of trend;When the longitudinal operating mode of simulation, described actuator and described the Two connectors connect, and described roller rolls along described vehicle frame bearing of trend;When jump, lower jump operating mode in simulation, described start Device is connected with described first connector.
In automotive suspension testing stand provided in an embodiment of the present invention, include multiple columns and the height being provided with thereon, The clamping plate of adjustable angle, and for demarcating the demarcation symbol of clamping plate installation site;Automotive suspension testing stand can also include using In the load maintainer connecting loading equipemtn;Column is mated with automobile frame by clamping plate and is linked and packed, on load maintainer and vehicle frame Brake disc connect (wheel position in brake disc correspondent entity automobile), controlled loading device orientation makes load maintainer in difference Carry out the checking such as suspension fatigue endurance, multiple degrees of freedom or maintenance under operating mode.Thus analysis understands, the different parts on automobile frame Connected by the Boards wall of counter structure therewith, clamping plate is connected in relevant position coupling fixing with the column of high intensity simultaneously, Thus the support completing vehicle frame is fixed, the height of its middle clamp plate and angle can carry out accurately determining by the demarcation symbol on column Position, to ensure to be consistent with the rigging position of the suspension of entity automobile;Specifically, the brake disc on vehicle frame passes through load maintainer It is fixedly connected with loading equipemtn, to realize making load maintainer drive brake disc (wheel) in different operating modes by controlled loading equipment Under carry out fatigue endurance, multiple degrees of freedom or maintenance of suspension etc. checking.Automotive suspension testing stand due to the present embodiment only passes through Column is supported fixing for vehicle frame with clamping plate, and the height of each clamping plate and adjustable angle, then bulk strength height, structure are simple, dress Formula just, effectively shortens the Test-bed Design construction cycle;And, directly it is connected with loading equipemtn by load maintainer, adapt to Being suspended under different operating modes of different model carries out multiple checkings, easy to use, can shorten suspension proving period and fall Low test funds.
Brief description
Fig. 1 is the structural representation of automotive suspension testing stand provided in an 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 amortisseur 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 supporting structure schematic diagram in the embodiment of the present invention;
Fig. 7 is the development process figure of automotive suspension testing stand provided in an embodiment of the present invention.
In figure, 1 is column, 11 is front column, 12 is rear column, 13 is gin pole;2 is clamping plate, 21 is base plate, 22 are Fixture, 221 be deck, 222 clamps, 223 be reinforcement;2a is vehicle frame clamping plate, 2b is to control arm splint, 2c to press from both sides for amortisseur Plate;3 is load maintainer, 31 is loading arm, 32 is roller, 311 is base, 312 is connecting plate, 313 is l type linking arm, 331 are Spherical hinge type first connector, 332 be the second connector, 333 be support;41 is brake disc;42 is control arm;43 is amortisseur spiral shell Rotation spring.
Specific embodiment
Below in conjunction with the accompanying drawings a kind of embodiment of the present invention automotive suspension testing stand is described in detail.
The embodiment of the present invention provides a kind of automotive suspension testing stand, as shown in figure 1, including multiple columns 1, column 1 is pacified Clamping plate 2 equipped with height, adjustable angle;Demarcation symbol is additionally provided with column 1, for demarcating the installation site of clamping plate 2;Automobile hangs Frame testing stand also includes the load maintainer 3 for connecting loading equipemtn (not shown);Column 1 passes through clamping plate 2 and Automobile Frame coupling is linked and packed, and load maintainer 3 is connected with the brake disc 41 on vehicle frame, and controlled loading device orientation makes load maintainer 3 exist Carry out the durable checking of suspension under different operating modes.
In automotive suspension testing stand provided in an embodiment of the present invention, include multiple columns and height, angle are installed thereon Spend adjustable clamping plate, and for demarcating the demarcation symbol of clamping plate installation site;Automotive suspension testing stand can also include for Connect the load maintainer of loading equipemtn;Column is mated with automobile frame by clamping plate and is linked and packed, on load maintainer and vehicle frame Brake disc connects (wheel position in brake disc correspondent entity automobile), and controlled loading device orientation makes load maintainer in different works Carry out the checking such as suspension fatigue endurance, multiple degrees of freedom or maintenance under condition.Thus analysis understands, the different parts on automobile frame lead to The Boards wall crossing counter structure therewith connects, and clamping plate is connected in relevant position coupling fixing with the column of high intensity simultaneously, from And the support completing vehicle frame is fixed, the height of its middle clamp plate and angle can carry out accurately determining by the demarcation symbol on column Position, to ensure to be consistent with the rigging position of the suspension of entity automobile;Specifically, the brake disc on vehicle frame passes through load maintainer It is fixedly connected with loading equipemtn, to realize making load maintainer drive brake disc (wheel) in different operating modes by controlled loading equipment Under carry out fatigue endurance, multiple degrees of freedom or maintenance of suspension etc. checking.Automotive suspension testing stand due to the present embodiment only passes through Column is supported fixing for vehicle frame with clamping plate, and the height of each clamping plate and adjustable angle, then bulk strength height, structure are simple, dress Formula just, effectively shortens the Test-bed Design construction cycle;And, directly it is connected with loading equipemtn by load maintainer, adapt to Being suspended under different operating modes of different model carries out multiple checkings, easy to use, can shorten suspension proving period and fall Low test funds.
Herein it should be noted that identical and usually right due to being suspended at automobile driving wheel and/or driven pulley effect Claim setting, therefore only need to verify monolateral suspension, that is, verify the independent suspension performance at a wheel, just understand other driving Whole suspension performance at wheel and/or driven pulley, therefore, is only the testing stand assembling situation of monolateral suspension shown in Fig. 1.If needing The bilateral checking of suspension to be carried out it is only necessary on the assembly foundation shown in Fig. 1, along at the mobile 20cm in vehicle bridge direction, install additional one or Multiple columns and a load maintainer, when installing a column additional, this column is used for and the amortisseur of automotive suspension, control Device processed connects, and wherein, for whole vehicle frame, is generally additionally provided with support post it is ensured that stationarity integrally fixed by vehicle frame.
Specifically, at corresponding each brake disc 41 (wheel) position of automotive suspension, testing stand can at least include three Column 1 and a load maintainer 3, wherein, in order to Pass Test platform integrally assembles simple and economicization, above-mentioned column 1 is preferably Three.Wherein, as shown in figure 1, three columns 1 are respectively the front column 11 being fixedly connected with vehicle frame and rear column 12, Yi Jiyu The gin pole 13 that the control arm 42 of suspension and amortisseur, spiral spring 43 connect jointly.During practical application, each column 1 has Body can include a base, a pillar, and act the integrated support intensity strengthening column 1 positioned at base and posts bottom Reinforcement;Wherein, pillar can be I-steel, but in view of improving the bulk strength of testing stand, the present embodiment B-C post is excellent Elect square steel as, each side bottom of square steel has the suitable reinforcement of two spacing respectively, in Fig. 1, reinforcement is trapezoid support, And two trapezoid supports be arranged in parallel.Specifically, the square steel size of the front column 11 in the present embodiment and rear column 12 can be 15cm*15cm*88cm (length of side * length of side * of corresponding square steel is high), base dimensions (can correspond to base for 29cm*29cm*3cm Length of side * length of side * thickness), reinforcement size can be 2.5cm*7cm*20cm (the trapezoidal upper bottom * of corresponding reinforcement go to the bottom * high); The square steel size of gin pole 13 can be for 15cm*15cm*133cm (length of side * length of side * of corresponding square steel is high), base dimensions can Think 29cm*29cm*3cm (length of side * length of side * thickness of corresponding base), reinforcement size can be (right for 2.5cm*7cm*33cm Answer the trapezoidal upper bottom * * that goes to the bottom of reinforcement high).Wherein, pass through continuous welding between each part of column 1 to be fixedly connected.
During practical application, the design of clamping plate 2 is ensureing vehicle frame, bearing spring, amortisseur (amortisseur spiral spring 43) and control On the premise of the real vehicle installment state of arm 42 grade parts processed, it then follows reduce material and be easy to the principle processed.As Fig. 1 combines figure Shown in 2 to Fig. 4, it is specifically as follows, clamping plate 2 includes cuboid base plate 21 and fixture 22, wherein, fixture 22 includes tying with base plate 21 Deck 221 and the clamp 222 being fixedly connected with deck 221 that structure, size match;And, base plate 21 and phase on deck 221 Correspondence position is provided with installing hole, and that is, in assembling, base plate 21 is coaxial with the installing hole on deck 221, and clamp 222 is provided with connection Portion, this connecting portion is used for being connected with vehicle frame coupling.In the practical set of testing stand, base plate 21 is gripped with deck 221 Demarcate on the apparent surface at symbol in column 1, and be fixedly connected by the bolt through installing hole;In addition, clamp 222 passes through Connecting portion is fixedly connected by modes such as bolts with vehicle frame relevant position.Wherein, on the base plate 21 of each clamping plate 2 and deck 221 On be equipped with four installing holes, and be uniformly distributed appropriately near base plate 21 and four right angle of deck 221, be easily installed.
Wherein, in order to ensure vehicle frame, the corresponding component of suspension and column 1 stable connection in the checking such as operating mode, card It is also provided with reinforcement 223, reinforcement 223 end face is solid with deck 221 surface between the deck 221 of tool 22 and clamp 222 Fixed connection, another adjacent face are fixedly connected with clamp 222 surface.Wherein, in Fig. 2 to Fig. 4, this reinforcement 223 mostly is right angle Triangular structure.
As shown in figure 1, front column 11 and rear column 12 are provided with structure identical vehicle frame folder during the practical set of testing stand Plate 2a, gin pole 13 be provided with the control arm splint 2b being connected with irs control arm 42 and its above with suspension damper, The amortisseur clamping plate 2c that spiral spring 43 connects.Load maintainer 3 in conjunction with shown in Fig. 1, be connected loading equipemtn and brake disc 41 In order to the kinestate of simulating wheel, specifically can include: the loading arm 31 that is connected with brake disc 41 and with loading arm 31 The roller 32 connecting, roller 32 is located on the downside of loading arm 31, and for supporting loading arm 31 and reduces the friction with ground;Load Arm 31 or roller 32 being capable of the changeable connections with loading equipemtn under different operating modes.Wherein, it is suspended in real vehicle row in order to height meets Strained situation in sailing, the distance between corresponding brake disc 41 center of loading arm 31 and roller 32 center are automotive wheel rolling Dynamic radius, is specifically as follows vehicle wheel roll radius during automobile semi-load (take advantage of and carry two to three people).
Herein it should be noted that the amortisseur in the present embodiment, spiral spring are specially spiral spring and are sleeved on cartridge type damping Outside device, therefore in this testing stand, only need an amortisseur clamping plate can achieve a fixed connection amortisseur, two suspended portion of spiral spring Part.
During practical application, in order to improve the processing and fabricating efficiency of clamping plate 2 and the holistic conformation efficiency of testing stand, vehicle frame presss from both sides Plate 2a can be universal clamp plate, the connecting portion on its clamp 222 be through hole, clamp 222 by through above-mentioned through hole bolt with Vehicle frame relevant position is fixedly connected.In the present embodiment, as depicted in figs. 1 and 2, base plate 21 and deck 221 in vehicle frame clamping plate 2a Concrete size can be 27cm*15.5cm*2.5cm (length of side * length of side * thickness of corresponding base plate 21 or deck 221);Clamp 222 Concrete size can be 20cm*15cm*4cm the length of side * length of side * thickness of clamp 222 (corresponding).Wherein, control arm splint 2b It is the key position of automotive suspension testing stand with amortisseur clamping plate 2c, plywood can be adopted as, its function is in order to further Guarantee that suspension Installation posture is consistent with real vehicle Installation posture.As shown in figure 1, because the special construction of irs control arm 42 leads to control Connected mode between the clamp 222 of arm splint 2b processed and the control arm 42 of suspension is bolt connection.Specifically, control arm splint The structure of 2b can be as shown in Figure 3.Wherein, the structure of the connecting portion of control arm 42 sets according to irs control arm 42, and controls The clamp 222 of arm splint 2b processed is platy structure, and it is simple with the structure of deck 221, secure and reliable connection.
Wherein, as shown in figure 1, in order to be accurately positioned amortisseur, the setting angle one in the angle and real vehicle of spiral spring 43 Cause, and only pass through to adjust the height between amortisseur clamping plate 2c and column 1 and angle, just can achieve above-mentioned be accurately positioned, tool Body ground, clamp is determined according to column frock position and amortisseur space digital-to-analogue position with deck angle, and draws amortisseur Clamping plate digital-to-analogue, in addition, in order to the present embodiment in amortisseur, spiral spring 43 be sleeved on the knot outside telescopic shock absorber for spiral spring Structure is adapted, and the clamp of amortisseur clamping plate 2c can be provided with engraved structure, as shown in figure 4, the amortisseur of suspension, spiral spring 43 Top is connected with amortisseur clamping plate 2c at engraved structure;To ensure subtracting in setting angle and the real vehicle of amortisseur clamping plate 2c Shake device space angle is consistent.Specifically, due to being cavity in above-mentioned engraved structure, there is enough spaces successively to accommodate not Hold orientation, the amortisseur of angle, certainly, this amortisseur clamping plate 2c is connected with amortisseur, the fixing of spiral spring 43 at engraved structure Connect, need by other instruments, such as clamping tool etc..
During practical application, in order to realize under different operating modes by load frock carry out integrated, cut down fixture processing quantity, with save About cost, makes loading equipemtn can changeable connect, as shown in figure 5, the structure of loading arm 31 specifically can include base 311 and consolidate It is scheduled on the connecting plate 312 on base 311, connecting plate 312 extends l type linking arm 313, connecting plate 312 and brake disc 41 End face can pass through connecting hole corresponding with tire installing hole by using bolt, and (in figure includes 6, and in same circumference Upper equidistant arrangement) it is fixedly connected, and on connecting plate 312, corresponding brake disc 41 center position is provided with spherical hinge type first connector 331;In order that testing stand is durable for a long time and protects each experimental facilitiess, this spherical hinge type first connector 331 can be specially three-dimensional Ball pin, that is, can be freely-movable along three directions.In the longitudinal operating mode of simulation, in order to be able to be consistent with situation in actual condition, that is, Loading equipemtn is connected with wheel center sectional position, can be provided with the at corresponding brake disc 41 circumferential end faces of l type linking arm 313 Two connectors 332;First connector 331 and the second connector 332 are used in good time connection loading equipemtn, carry out upper jump work respectively The simulation of condition, lower jump operating mode and longitudinal operating mode.It is connected with support 333, support 333 and base 311 at the shaft core position of roller 32 Bolt connection, and the orientation of roller 32 is adjustable.Specifically, as shown in fig. 6, support 333 can include integrally formed first Connection end and the second connection end;Wherein, the connecting hole axis direction of the first connection end is vertical with the axis direction of roller 32, is used for Connect roller 32 and loading arm 31, the connecting hole axis direction of the second connection end is parallel with the axis direction of roller 32, for even Connect loading equipemtn.During practical set, two supports 333 are respectively in the both sides of roller 32;And pass through with the base 311 of loading arm 31 Screw or bolt are fixedly connected, and wherein, connecting hole base 311 being used for be fixedly connected roller 32 has four and in decussation It is symmetrical arranged;The connecting hole being used for being fixedly connected roller 32 on base 311 can also have three and be arranged to symmetrical l type, with Adapt to different operating modes and make corresponding adjustment.For example, when simulating brake operating mode, the closure of wheel rolling 32 and loading arm 31 As shown in figure 1, the direction of principal axis being specially wheel rolling 32 is parallel with the direction of principal axis of the brake disc 41 on loading arm 31;When the horizontal work of simulation During condition, roller 32 is separated with loading arm 31, and ratates 90 degrees in the horizontal plane, make on direction of principal axis and the loading arm 31 of roller 32 Brake disc 41 direction of principal axis vertical.
In order to ensure stability and the accuracy of loaded load, the loading equipemtn in the present embodiment can be specially start Device, to realize to the different checkings being suspended in damped condition, horizontal operating mode, longitudinal operating mode and upper jump, lower jump operating mode.Its In, for adjust actuator height and angle and play Auxiliary support effect fixture can include before actuator adjusting clamp and Fixture is reconciled after actuator;Before actuator adjusting clamp by screw mechanism be mainly used in accurately and rapidly adjusting actuator with The height on ground and angle, after actuator, adjusting clamp plays Auxiliary support effect and under the cooperation of overhead traveling crane using chute-type structure Adjustment with adjusting clamp before actuator is adapted.
Specifically, when loading equipemtn simulating brake operating mode, roll 32 direction of principal axis by locked for brake disc 41 and by wheel and add Support 333 bolt connection on the parallel installation of direction of principal axis of the brake disc 41 on load arm 31, actuator and roller 32, and above-mentioned Roller 32 rolls along vehicle frame bearing of trend, to verify the various performances such as the fatigue endurance being suspended in damped condition.
When loading equipemtn simulates horizontal operating mode, roll by locked for brake disc 41 and by wheel on 32 direction of principal axis and loading arm 31 Brake disc 41 direction of principal axis right angle setting, support 333 bolt connection on actuator and roller 32, and above-mentioned rollers 32 edge Roll perpendicular to vehicle frame bearing of trend, to verify the various performances such as the fatigue endurance being suspended in horizontal operating mode.
When loading equipemtn simulates longitudinal operating mode, roll by locked for brake disc 41 and by wheel on 32 direction of principal axis and loading arm 31 Brake disc 41 the parallel installation of direction of principal axis, the second connector 332 at l type linking arm 313 on actuator and loading arm 31 It is fixedly connected, and above-mentioned rollers 32 roll along vehicle frame bearing of trend, to verify fatigue endurance being suspended in longitudinal operating mode etc. Various performances.
When jumping in loading equipemtn simulation, lower jump operating mode when, wheel rolling 32 is separated with loading arm 31, actuator and connecting plate Spherical hinge type the first connector 331 that on 312, corresponding brake disc 41 center position is provided with connects, with verify be suspended in upper jump, under The various performances such as the fatigue endurance in jump operating mode.
The design cycle of the automotive suspension testing stand by Fig. 1 and Fig. 7, above-described embodiment being described below and installation process It is described in detail;Fig. 7 is the development process figure of automotive suspension testing stand provided in an embodiment of the present invention.
First, determine suspension assembly under digital-to-analogue form, and according to the control arm 42 in suspension and amortisseur, spiral spring 43 Concrete structure drawing three-dimensional control arm splint 2b and amortisseur clamping plate 2c and according to vehicle wheel roll radius adjust loading arm 31 Height to draw out load maintainer 3;Secondly, clamping plate 2 and load maintainer 3 are passed through in three-dimensional software by suspension assembly and column 1 is connected, and measures, records testing stand installation dimension, specifically includes: the relative position between each column 1, vehicle frame clamping plate Concrete height on front column 11, rear column 12 for the 2a, control arm splint 2b and amortisseur clamping plate 2c in the tool of gin pole 13 Body height and angle;Then, according to the concrete model processing entity work of column 1, clamping plate 2 and load maintainer 3 in three-dimensional digital-to-analogue Part, according to the overall installation size of testing stand, carries out holistic conformation, assembling to each entity workpiece and suspension assembly;Finally, connect Loading equipemtn, and under different operating modes, suspension is carried out with the checking such as fatigue endurance, multiple degrees of freedom or maintenance.Wherein, the present invention is real The fixing tool design applied in the automotive suspension testing stand of example offer is all by cae (computer aided Engineering, computer-aided engineering) analysis software carries out intensity analysiss and structure optimization;Ensureing to meet intensity requirement On the basis of, optimize structure, frock loss of weight, reduce the labor intensity of operator.
From structure and design, the installation process of above-mentioned automotive suspension testing stand, the overall structure of testing stand is using vertical Post 1 and clamping plate 2 and load maintainer 3 are fixedly connected mode with the suspension of different structure form matches;And the work of testing stand Dress relies on suspension digital-to-analogue, can be positioned exactly and neatly adjust, to realize automotive suspension in reality for different suspensions The fixation tested on platform is highly consistent with the fixing holding on entity vehicle frame, such that it is able to carry out different operating modes to suspension exactly Under fatigue endurance, the checking such as multiple degrees of freedom or maintenance.Design because the design of this testing stand is based on car load digital-to-analogue, can be in dress Join in digital-to-analogue and exclude the interference hidden danger that may predict in advance, thus reducing in a large number, even avoiding the frock repeatedly work such as adjustment. Therefore, automotive suspension testing stand provided in an embodiment of the present invention is that a kind of structure is simple, intensity is high, and can shorten suspension exploitation Proving period and the automotive suspension testing stand reducing test funds.In addition, be automotive suspension fatigue checking test platform simultaneously Design and develop and provide a kind of new theory and thinking, this automotive suspension testing stand is in proof strength and the basis that is accurately positioned On, there is highly versatile, adjustability by force, and its structure optimization, frock loss of weight and installation process are simple, thus reducing The Capability Requirement of testing stand building personnel and labor intensity, are easy to pass on, so also improve vehicular chassis system can By property verification efficiency.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.

Claims (10)

1. a kind of automotive suspension testing stand, it is characterised in that including multiple columns, described column is provided with height, angle can The clamping plate adjusted;Demarcation symbol is additionally provided with described column, for demarcating the installation site of described clamping plate;Described automotive suspension test Platform also includes the load maintainer for connecting loading equipemtn;
Described column is mated with automobile frame by described clamping plate and is linked and packed, the brake on described load maintainer and described vehicle frame Disk connects, and controls described loading equipemtn direction to make described load maintainer carry out the durable checking of suspension under different operating modes;
Described load maintainer includes the loading arm being connected with described brake disc and the roller being connected with described loading arm;Described rolling Wheel is located on the downside of described loading arm, and is used for supporting described loading arm;Described loading arm or roller can be with described loading equipemtns Connect.
2. automotive suspension testing stand according to claim 1 it is characterised in that in described automotive suspension corresponding automobile every At individual wheel position, described testing stand includes three described columns and a described load maintainer;
Three described columns be respectively the control arm of the front column being fixedly connected with described vehicle frame and rear column and described suspension with And the common gin pole connecting of amortisseur, spiral spring.
3. automotive suspension testing stand according to claim 2 is it is characterised in that described clamping plate includes cuboid base plate and card Tool, described fixture includes the deck matching with described base arrangement, size and the clamp being fixedly connected with described deck;Institute State base plate and be provided with installing hole with opposite position on deck, described clamp is provided with connecting portion;
At the described demarcation symbol of described column, described base plate and deck are clamped on described column apparent surface, And be fixedly connected by the bolt through described installing hole;It is fixing with described vehicle frame relevant position even that described clamp passes through connecting portion Connect.
4. automotive suspension testing stand according to claim 3 is it is characterised in that go back between the deck of described fixture and clamp It is provided with reinforcement, described reinforcement end face is fixedly connected with described deck surface, another adjacent face and described clamp surface It is fixedly connected.
5. the automotive suspension testing stand according to claim 3 or 4 is it is characterised in that set on described front column and rear column Have structure identical vehicle frame clamping plate, described gin pole be provided with the control arm splint being connected with described control arm and with described The amortisseur clamping plate that amortisseur connects.
6. automotive suspension testing stand according to claim 5 is it is characterised in that described loading arm corresponds in described brake disc The distance between heart position and described roller center are automotive wheel rolling radius.
7. automotive suspension testing stand according to claim 6 is it is characterised in that described on the clamp of described vehicle frame clamping plate Connecting portion is through hole, and described clamp is fixedly connected with described vehicle frame relevant position by the bolt through described through hole;
Bolt connection between the described clamp controlling arm splint and the control arm of described suspension.
8. automotive suspension testing stand according to claim 7 is it is characterised in that the clamp of described amortisseur clamping plate is provided with Engraved structure, the amortisseur top of described suspension is connected with described amortisseur clamping plate at described engraved structure;
The setting angle of described amortisseur clamping plate is consistent with described amortisseur space angle.
9. automotive suspension testing stand according to claim 8 is it is characterised in that described loading arm includes base and is fixed on Connecting plate on described base, described connecting plate extends l type linking arm, and described connecting plate is solid with described brake side surface Fixed connection, and on described connecting plate, corresponding described brake disc center position is provided with spherical hinge type first connector;
It is provided with the second connector at the corresponding described brake disc circumferential end faces of described l type linking arm;Described first connector and second Connector is used for the described loading equipemtn of in good time connection;
It is connected with support, described support is connected with described bolt of lower base at the shaft core position of described roller, and the side of described roller Position is adjustable.
10. automotive suspension testing stand according to claim 9 is it is characterised in that described loading equipemtn is actuator;
When simulating brake operating mode, described actuator is connected with described support, and described roller rolls along described vehicle frame bearing of trend Dynamic;When simulating horizontal operating mode, described actuator is connected with described support, and described roller is along perpendicular to described vehicle frame extension side To rolling;When the longitudinal operating mode of simulation, described actuator is connected with described second connector, and described roller prolongs along described vehicle frame Stretch direction to roll;When jump, lower jump operating mode in simulation, described actuator is connected with described first connector.
CN201410180482.3A 2014-04-29 2014-04-29 Automotive suspension test bed Active CN103954459B (en)

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