CN107314896A - For vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment and its application - Google Patents
For vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment and its application Download PDFInfo
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- CN107314896A CN107314896A CN201710656488.7A CN201710656488A CN107314896A CN 107314896 A CN107314896 A CN 107314896A CN 201710656488 A CN201710656488 A CN 201710656488A CN 107314896 A CN107314896 A CN 107314896A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/04—Suspension or damping
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Abstract
It is used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment and its application the invention discloses one kind, the testing equipment includes power source, testing stand and software control system, testing stand includes base, four root posts and fixed plate, Leaf Spring Suspension is inverted and two ends grasswort is fixed on spring carrying block one and spring carrying block two, and spring carrying block one and the bottom of spring carrying block two coordinate with the slide rail on base and be fixed on by guide rail locking apparatus on slide rail；Top is fixed with inverted simulation vehicle bridge in the middle part of Leaf Spring Suspension, and Leaf Spring Suspension side horizontal is provided with longitudinal load maintainer, and simulation vehicle bridge side horizontal is provided with horizontal load maintainer, top and is provided with the Plumb load mechanism being connected with fixed plate；Power source provides power and controls longitudinal load maintainer, horizontal load maintainer and Plumb load mechanism to encourage normal direction Leaf Spring Suspension to carry out three-dimensional using static stepwise loading method and dynamic harmonic by software control system and synchronously loads.
Description
Technical field
It is used for vehicle suspension leaf spring three the present invention relates to vehicle performance test engineering device technique field, more particularly to one kind
To Dynamic performance examination equipment and its application.
Background technology
Requirement more and more higher with people to automobile, while economy and dynamic property is ensured, also requires that automobile has
There is good ride performance and control stability.Leaf spring is most widely used a kind of vibration damping member in truck suspension
Part, is also the guider of suspension.Various power and torque can be transmitted, is influence wheel hop track and vehicle ride performance
With the critical component of control stability.
Leaf spring uses the structure that multi-disc leaf spring is superimposed, and because its stress, deformation are complicated, and piece number is more, accurately
Ground obtains leaf spring rigidity and damping characteristic for the dynamic design of automobile suspension system, parameter optimization and is matched to pass weight
Will.Leaf spring performance test stand is the necessary device of leaf spring performance detection.Current existing leaf spring experimental rig
Simply leaf spring vertical input static state is preloaded mostly, the Static stiffness test of leaf spring is carried out, and leaf spring can not be tested in dynamic
Performance under stress state.
The content of the invention
The present invention is to provide a kind of for vehicle suspension leaf spring three-dimensional Dynamic performance examination system, it is intended to solve existing
The technical problem of leaf spring performance under dynamic load state can not be detected in technology.
In order to solve the above technical problems, the technical solution used in the present invention is：
One kind is used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, including power source, testing stand and software control
System processed, the testing stand includes base and fixed plate, and the four corners position of the base and fixed plate is supported by four root posts
It is connected, the base is provided with spring carrying block one and spring carrying block two, and Leaf Spring Suspension is inverted and two ends grasswort is fixed on plate
On spring bearing one and spring carrying block two, the spring carrying block one and the bottom of spring carrying block two coordinate and logical with the slide rail on base
Guide rail locking apparatus is crossed to be fixed on slide rail；Top is fixed with inverted simulation vehicle bridge, institute in the middle part of the Leaf Spring Suspension
State Leaf Spring Suspension side horizontal and be provided with longitudinal load maintainer, the simulation vehicle bridge side horizontal be provided with horizontal load maintainer,
Top is provided with the Plumb load mechanism being connected with fixed plate；Longitudinal load maintainer, horizontal load maintainer and Plumb load machine
Structure is connected with power source and software control system.
Preferably, longitudinal load maintainer includes guide pillar a, longitudinal electro-hydraulic servo actuator, and the guide pillar a is arranged on bottom
Between seat and fixed plate, longitudinal electro-hydraulic servo actuator is horizontally disposed with, and described longitudinal electro-hydraulic servo actuator one end passes through
Guiding locking support a is fixed on guide pillar a, other end correspondence simulation vehicle bridge axle end；The horizontal load maintainer includes leading
Post b, horizontal electro-hydraulic servo actuator, the guide pillar b are arranged between base and fixed plate, the horizontal electro-hydraulic servo actuator
Horizontally disposed, described horizontal electro-hydraulic servo actuator one end is fixed on guide pillar b by being oriented to locking support b, other end correspondence
Simulate vehicle bridge entablature side.
Preferably, the slide rail is two, and two slide rails are set in parallel on base and end is provided with baffle plate, the plate
The bottom of spring bearing one and spring carrying block two is provided with the chute coordinated with slide rail.
Preferably, the guide rail locking apparatus includes limited block and set lever, and the limited block is arranged on spring carrying block
One and spring carrying block two side and parallel to slide rail, the set lever and limited block screw thread coordinate and its free end can
Contacted with slide rail.
Further, dovetail groove is provided between two slide rails, the both sides of the spring carrying block one and spring carrying block two are all provided with
There are otic placode and caging bolt, the caging bolt upper end coordinates through otic placode, lower end and dovetail groove.
Preferably, the top of the spring carrying block one and spring carrying block two is provided with support base, and the support base is provided with branch
Strut, the support bar runs through Leaf Spring Suspension end grasswort.
Preferably, longitudinal electro-hydraulic servo actuator end is provided with universal joint, and the universal joint can be with simulation
Vehicle bridge upper side is connected.
Preferably, be provided with upper backup pad above the fixed plate, the vertical electro-hydraulic servo actuator by fixed plate with
Upper backup pad is fixedly connected.
Preferably, the guiding locking support a is identical with locking support b structures are oriented to, including sleeve pipe, axle sleeve and fastening
Bolt, described sleeve pipe one end is provided with opening, and the axle sleeve is arranged on the sleeve pipe other end and corresponding with opening, in described sleeve pipe
Portion's through hole coordinates with guide pillar a or guide pillar b, the end of the axle sleeve and horizontal electro-hydraulic servo actuator or longitudinal electro-hydraulic servo actuator
Portion coordinates, and the fastening bolt runs through the connecting portion of ferrule openings one end.
Further, the main shaft of the simulation vehicle bridge is fixedly connected by connector with Leaf Spring Suspension middle part.
The present invention also provides a kind of application for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, the horizontal stroke
To the loading of load maintainer, longitudinal load maintainer and Plumb load mechanism using static stepwise loading method and dynamic harmonic excitation
Method, static stepwise loading method is used for the static rigidity characteristic for testing leaf spring, and harmonic excitation method is used to test leaf spring
Dynamic rate and damping characteristic.
Power source is controlled to put forward horizontal load maintainer, longitudinal load maintainer and Plumb load mechanism by software control system
For excitation, the input of Plumb load mechanism is either statically or dynamically preloaded, vertical quiet/dynamic stiffness of main measurement Leaf Spring Suspension and
Damping characteristic；Horizontal load maintainer and the input of Plumb load mechanism are preloaded, Leaf Spring Suspension during main measurement Vehicular turn
Rigidity and damping characteristic, the dynamic design of leaf spring provides reference during for Vehicular turn；To longitudinal load maintainer and it is vertical plus
Mounted mechanism input is preloaded, Leaf Spring Suspension System rigidity and damping characteristic when main measurement vehicle traction or braking.
Wherein software control system includes the selection of sinusoidal, triangle or square wave test waveform, set test frequency, amplitude with
And start number of times, and preloading numerical value is set.
It is using the beneficial effect produced by above-mentioned technical proposal：The present invention is added by software control system control longitudinal direction
Mounted mechanism, horizontal load maintainer and Plumb load mechanism carry out three-dimensional to Leaf Spring Suspension and synchronously loaded, and realize three-dimensional dynamic
The purpose of performance test.It is of the invention compared with existing leaf spring vertical stiffness testing stand, can more accurately simulate leaf spring
Actual loading situation, improves test accuracy, and can provide leaf spring three-dimensional dynamic characteristic measured data in the Automobile Design stage, uses
In research and development of products and optimization design, find to solve optimization of suspension parameters and matching problem in time, shorten the automobile research cycle, lifting
Product quality and the market competitiveness.
Brief description of the drawings
Fig. 1 is provided in an embodiment of the present invention a kind of in vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment
The stereogram of testing stand；
Fig. 2 is the front view of testing stand；
Fig. 3 is Fig. 2 left view；
Fig. 4 is the A-A sectional views in Fig. 2；
Fig. 5 is Leaf Spring Suspension and the connection diagram of simulation vehicle bridge；
Fig. 6 is the structural representation of spring carrying block one or spring carrying block two；
Fig. 7 is the upward view of spring carrying block one or spring carrying block two；
Fig. 8 is the structural representation for being oriented to locking support a or being oriented to locking support b；
Fig. 9 is a kind of application flow for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment that the present invention is provided
Figure；
In figure：1 column, 2 bases, 3 fixed plates, 4 slide rails, 5 spring carrying blocks one, 6 spring carrying blocks two, 7 dovetail grooves, 8 otic placodes, 9 limits
Position bolt, 10 limited blocks, 11 pumping boards, 12 Leaf Spring Suspensions, 13 simulation vehicle bridge, 14 set levers, 15 upper backup pads, 16 is vertical
Electro-hydraulic servo actuator, 17 guide pillar a, 18 guide pillar b, 19 horizontal electro-hydraulic servo actuators, 20 longitudinal electro-hydraulic servo actuators, 21 lead
Locking support b are oriented to locking support a, 22,23 fastening bolts, 24 axle sleeves, 25 support bars, 26 universal joints, 27 connectors,
28- sleeve pipes, 29- support bases.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with accompanying drawing and specific implementation
Example, the present invention is further detailed explanation.It should be appreciated that specific embodiment described herein is only to explain this hair
It is bright, it is not intended to limit the present invention.
Fig. 1-8 are refer to, one kind that the present invention is provided is used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment,
Including power source, testing stand and software control system, the testing stand includes base 2 and fixed plate 3, the base 2 and solid
The four corners position of fixed board 3 is supported by four root posts 1 to be connected, and the base 2 is provided with spring carrying block 1 and spring carrying block 26,
Leaf Spring Suspension 12 is inverted and two ends grasswort is fixed on spring carrying block 1 and spring carrying block 26, the spring carrying block 1
Coordinate with the slide rail 4 on the bottom of spring carrying block 26 and base 2 and be fixed on by guide rail locking apparatus on slide rail 4；The steel
The middle part of flat spring suspension 12 top is fixed with inverted simulation vehicle bridge 13, and the main shaft of the simulation vehicle bridge 13 passes through connector 27
It is fixedly connected with the middle part of Leaf Spring Suspension 12；The side horizontal of Leaf Spring Suspension 12 is provided with longitudinal load maintainer, described
Simulation vehicle bridge 13 side horizontal is provided with horizontal load maintainer, top and is provided with the Plumb load mechanism being connected with fixed plate 3；It is described vertical
It is connected to load maintainer, horizontal load maintainer and Plumb load mechanism with power source and software control system.Pass through software control
System processed controls longitudinal load maintainer, horizontal load maintainer and Plumb load mechanism synchronously to add to Leaf Spring Suspension progress three-dimensional
Carry, realize the purpose of three-dimensional Dynamic performance examination.
Longitudinal load maintainer includes guide pillar a17, longitudinal electro-hydraulic servo actuator 20, and the guide pillar a17 is arranged on bottom
Between seat 2 and fixed plate 3, longitudinal electro-hydraulic servo actuator 20 is horizontally disposed with, longitudinal electro-hydraulic servo actuator 20 1
End is fixed on guide pillar a17 by being oriented to locking support a21, the other end correspondence simulation axle end of vehicle bridge 13；The transverse direction adds
Mounted mechanism includes guide pillar b18, horizontal electro-hydraulic servo actuator 19, and the guide pillar b18 is arranged between base 2 and fixed plate 3, institute
State horizontal electro-hydraulic servo actuator 19 to be horizontally disposed with, described horizontal one end of electro-hydraulic servo actuator 19 is by being oriented to locking support
B22 is fixed on guide pillar b18, other end correspondence simulation vehicle bridge 13 entablature side；The end of longitudinal electro-hydraulic servo actuator 20
Portion is provided with universal joint 26, and the universal joint 26 can be connected with the simulation upper side of vehicle bridge 13.
Wherein, the slide rail 4 is two, and two slide rails 4 are set in parallel on base 2 and end is provided with baffle plate 11, described
The bottom of spring carrying block 1 and spring carrying block 26 is provided with the chute coordinated with slide rail 4, and cunning is fixed on by guide rail locking apparatus
On rail 4, the guide rail locking apparatus includes limited block 10 and set lever 14, and the limited block 10 is arranged on spring carrying block 1
With the side of spring carrying block 26 and parallel to slide rail 4, the set lever 14 coordinates and its free end with the screw thread of limited block 10
It can be contacted with slide rail 4.
In order to prevent spring carrying block 1 and spring carrying block 26 to be moved in vertical direction, it is provided between two slide rails 4
Dovetail groove 7, the both sides of the spring carrying block 1 and spring carrying block 26 are equipped with otic placode 8 and caging bolt 9, the caging bolt
9 upper ends coordinate through otic placode 8, lower end and dovetail groove 7.In addition, the top of the spring carrying block 1 and spring carrying block 26 is provided with
Support base 29, the support base 29 is provided with support bar 25, and the support bar 25 runs through the end grasswort of Leaf Spring Suspension 12.
In addition, the top of fixed plate 3 is provided with upper backup pad 15, the vertical electro-hydraulic servo actuator 16 passes through fixed plate
3 are fixedly connected with upper backup pad 15.
Wherein, the guiding locking support a21 is identical with locking support b22 structures are oriented to, including sleeve pipe 28, axle sleeve 24
With fastening bolt 23, the one end of described sleeve pipe 28 is provided with opening, and the axle sleeve 24 is arranged on the other end of sleeve pipe 28 and relative with opening
Should, the middle through-hole of described sleeve pipe 28 coordinates with guide pillar a17 or guide pillar b18, the axle sleeve 24 and horizontal electro-hydraulic servo actuator 19
Or the end of longitudinal electro-hydraulic servo actuator 20 coordinates, the fastening bolt 23 runs through the connecting portion of the open at one end of sleeve pipe 28.
The present invention in the specific implementation, four root posts 1 is located on base 2, the upper end of column 1 is fixed by fixed plate 3, bottom
Seat 2 is provided with slide rail 4, and spring carrying block 1 and spring carrying block 26 are connected by slide rail 4, spring carrying block 1 and spring carrying block 26
It is correspondingly arranged and two ends is respectively equipped with otic placode 8 and caging bolt 9, dovetail groove 7, the and of spring carrying block 1 is provided with the middle of slide rail
Spring carrying block 26 is fixed by otic placode 8 and caging bolt 9 with dovetail groove 7, prevents spring carrying block 1 and spring carrying block 26 from occurring
Vertical movement, base 2 is provided with baffle plate 11, and baffle plate 11 is bolted on base 2, can be square by the dismounting of baffle plate 11
Just installed and prevented spring carrying block 1 and spring carrying block 26 from coming off spring carrying block 1 and spring carrying block 26, leaf spring
Leaf Spring Suspension 12 is provided between bearing 1 and spring carrying block 26, Leaf Spring Suspension 12 is upside down in the He of spring carrying block 1
On spring carrying block 26, wherein the grasswort at the two ends of inverted Leaf Spring Suspension 12 is respectively provided at spring carrying block 1 and spring carrying block
Connected, again provided with inverted simulation vehicle bridge 13 on inverted Leaf Spring Suspension 12, constituted whole outstanding by support bar 25 on 26
Frame system and device.Spring carrying block 1 and spring carrying block 26 are fixed with the bottom junction of slide rail 4 by guide rail locking apparatus, guide rail
The limited block 10 of locking device is arranged on spring carrying block 1 and the two bottom sides of spring carrying block 26, and limited block is parallel outside chute
Spring carrying block 1 and spring carrying block 26, are fixed on slide rail, prevent spring carrying block 1 by side by the rotation of set lever 14
Vertically moved with spring carrying block 26 along slide rail, spring carrying block 1 and spring carrying block can be adjusted by guide rail locking apparatus
26 position on slide rail, so that different types of Leaf Spring Suspension 12 is placed, it is outstanding for highly larger leaf spring
Frame, can replace height suitable spring carrying block 1 and spring carrying block 26.Described guide pillar a17 and guide pillar b18 lower ends is fixed
On base 2, upper end is connected with fixed plate 3, and described vertical electro-hydraulic servo actuator 16 passes through fixed plate 3 and upper backup pad 15
It is fixedly connected, its lower end is connected by universal joint 26 with inverted simulation vehicle bridge 13 upper end, and described longitudinal electro-hydraulic servo is made
Dynamic device 20 and horizontal one end of electro-hydraulic servo actuator 19 are respectively by being oriented to locking support a21, being oriented to locking support b22 and guide pillar
A17 is fixedly connected with guide pillar b18, and the other end passes through universal joint 26 and inverted simulation vehicle bridge 13 according to load outbound course
Side setting position connection.
By software control system steering maneuver source to vertical electro-hydraulic servo actuator, horizontal electro-hydraulic servo actuator, vertical
Apply different size of load to electro-hydraulic servo actuator.Load input has three kinds of modes to obtain：（1）Using under actual condition
The road spectrum information extracted substitutes into tire model calculating and obtains three directional loads spectrum at axle head；（2）Pass through pressure in real train test
Force snesor directly detects the three received strength signal at axle head；（3）Utilize at vehicle virtual experimental measurement axle head three
To load.
Wherein, vertical electro-hydraulic servo actuator, horizontal electro-hydraulic servo actuator, longitudinal electro-hydraulic servo actuator are by hydraulic pressure
The original papers such as servo valve, hydraulic actuator, displacement transducer, pressure sensor, load transducer, damper are constituted.To vertical electricity
Liquid servo actuator 16, which is inputted, either statically or dynamically to be preloaded, vertical quiet/dynamic stiffness of main measurement Leaf Spring Suspension System and resistance
Damping characteristics.Laterally electric hydraulic servo actuator 19 and vertical electro-hydraulic servo actuator 16 input is preloaded, main measurement vehicle turns
To when Leaf Spring Suspension System rigidity and damping characteristic, the dynamic design of leaf spring provides reference during for Vehicular turn.It is right
Longitudinal electro-hydraulic servo actuator 20 and vertical electro-hydraulic servo actuator 16 input is preloaded, steel when main measurement vehicle traction or braking
Flat spring suspension system rigidity and damping characteristic.
As shown in Figures 5 to 7, spring carrying block 1 and spring carrying block 26 are fixed on slide rail 4；The both sides of slide rail 4 point
Guide rail locking apparatus is not provided with, the position of spring carrying block 1 and spring carrying block 26 can be adjusted by guide rail locking apparatus,
So as to measure the leaf spring of different vehicle different length.
As shown in Fig. 1,8, guide pillar a17 and guide pillar b18 are respectively equipped with guiding locking support 21, and the guiding locking support 19 leads to
Cross and be bolted on guide pillar a17 and guide pillar b18, and with longitudinal electro-hydraulic servo actuator 20 and horizontal electro-hydraulic servo actuator
19 are fixedly connected, and pass through and adjust the elastic of the guiding bolt of locking support 21, thus it is possible to vary longitudinal electro-hydraulic servo 20 and transverse direction are electro-hydraulic
The vertical position of servo actuator 19, so as to adapt to the leaf spring of different height.As shown in figure 8, being oriented to locking support a21 and guiding
Locking support b22 structures are identical, be fixed on by bolt 23 on guide pillar a17 and guide pillar b18, and elastic using bolt 23 is adjusted
The movement of upper-lower position, its front end is fixedly connected with horizontal servo electrohydraulic actuator 19 and longitudinal electro-hydraulic servo start using axle sleeve 24
Device 20.
As shown in figure 9, the present invention is by software control system steering maneuver source, power source supplies power to vertical electro-hydraulic
Servo actuator 16, horizontal electro-hydraulic servo actuator 19 and longitudinal electro-hydraulic servo actuator 20, so that transmitting effect is to testing stand
On, three-dimensional is carried out to Leaf Spring Suspension 12, and synchronously loading is tested.The wherein software control system experiment different by inputting is joined
It is several that Loading Control is carried out according to the purpose of experiment to power source, and software control system is automatically analyzed to test data, is passed through
The mode of time-domain diagram and frequency domain figure embodies the reasonability of experiment.
The present invention also provides a kind of application for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, the horizontal stroke
To the loading of load maintainer, longitudinal load maintainer and Plumb load mechanism using static stepwise loading method and dynamic harmonic excitation
Method, i.e., carry out liquid to horizontal electro-hydraulic servo actuator 19, longitudinal electro-hydraulic servo actuator 20 and vertical electro-hydraulic servo actuator 16
Pressure loading, static stepwise loading method is used for the static rigidity characteristic for testing leaf spring, and harmonic excitation method is used to test steel plate bullet
The dynamic rate and damping characteristic of spring.
Power source is controlled to horizontal electro-hydraulic servo actuator 19, longitudinal electro-hydraulic servo actuator 20 by software control system
And vertical electro-hydraulic servo actuator 16 provides excitation, and vertical electro-hydraulic servo actuator 16 is inputted and either statically or dynamically preloaded, mainly
Measure the vertical quiet/dynamic stiffness and damping characteristic of Leaf Spring Suspension System；To laterally electric hydraulic servo actuator 19 and vertical
The input of electro-hydraulic servo actuator 16 is preloaded, Leaf Spring Suspension System rigidity and damping characteristic during main measurement Vehicular turn, is
The dynamic design of leaf spring provides reference during Vehicular turn；To longitudinal electro-hydraulic servo actuator 20 and vertical electro-hydraulic servo start
The input of device 16 is preloaded, Leaf Spring Suspension System rigidity and damping characteristic when main measurement vehicle traction or braking；
Wherein software control system includes the selection of sinusoidal, triangle or square wave test waveform, sets test frequency, amplitude and work
Dynamic number of times, and preloading numerical value etc. is set.
In summary, test-bed provides load force to Leaf Spring Suspension progress three by regulating and controlling electro-hydraulic servo actuator
Loaded to dynamic synchronization, load input there are three kinds of modes to obtain：（1）Substituted into using the road spectrum information extracted under actual condition
Tire model, which is calculated, obtains three directional loads spectrum at axle head；（2）Axletree is directly detected by pressure sensor in real train test
Three received strength signal at spindle nose；（3）Utilize three directional loads at vehicle virtual experimental measurement axle head.Present invention operation letter
Just, automatic data collection and processing can be achieved, is easy to repeatedly test repeatedly, greatly simplify the operation stream of real vehicle field test
Journey, reduces cost and risk.Compared with existing leaf spring vertical stiffness testing stand, can more accurately simulate leaf spring it is actual by
Power situation, improves test accuracy, and can provide leaf spring three-dimensional dynamic characteristic measured data in the Automobile Design stage, for product
Research and development and optimization design, find to solve optimization of suspension parameters and matching problem in time, shorten the automobile research cycle, lift product matter
Amount and the market competitiveness.
Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (10)
1. one kind is used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：Including power source, experiment
Platform and software control system, the testing stand include base and fixed plate, and the four corners position of the base and fixed plate passes through
The support of four root posts is connected, and the base is provided with spring carrying block one and spring carrying block two, and Leaf Spring Suspension is inverted and two ends
Grasswort is fixed on spring carrying block one and spring carrying block two, the spring carrying block one and the bottom of spring carrying block two and the cunning on base
Rail coordinates and is fixed on by guide rail locking apparatus on slide rail；Top is fixed with inverted in the middle part of the Leaf Spring Suspension
Vehicle bridge is simulated, the Leaf Spring Suspension side horizontal is provided with longitudinal load maintainer, and the simulation vehicle bridge side horizontal is provided with horizontal stroke
The Plumb load mechanism being connected with fixed plate is provided with to load maintainer, top；Longitudinal load maintainer, horizontal load maintainer and
Plumb load mechanism is connected with power source and software control system.
2. according to claim 1 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
Longitudinal load maintainer includes guide pillar a, longitudinal electro-hydraulic servo actuator, and the guide pillar a is arranged between base and fixed plate,
Longitudinal electro-hydraulic servo actuator is horizontally disposed with, and described longitudinal electro-hydraulic servo actuator one end is consolidated by being oriented to locking support a
It is scheduled on guide pillar a, other end correspondence simulates vehicle bridge axle end；The horizontal load maintainer includes guide pillar b, horizontal electro-hydraulic servo
Actuator, the guide pillar b is arranged between base and fixed plate, and the horizontal electro-hydraulic servo actuator is horizontally disposed with, the horizontal stroke
It is fixed on to electro-hydraulic servo actuator one end by being oriented to locking support b on guide pillar b, other end correspondence simulates vehicle bridge entablature side
Face.
3. according to claim 1 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
The slide rail is two, and two slide rails are set in parallel on base and end is provided with baffle plate, the spring carrying block one and leaf spring branch
The bottom of seat two is provided with the chute coordinated with slide rail.
4. according to claim 1 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
The guide rail locking apparatus includes limited block and set lever, and the limited block is arranged on spring carrying block one and spring carrying block two
Sideways and parallel to slide rail, the set lever coordinates with limited block screw thread and its free end can be contacted with slide rail.
5. according to claim 1 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
Dovetail groove is provided between two slide rails, the both sides of the spring carrying block one and spring carrying block two are equipped with otic placode and caging bolt,
The caging bolt upper end coordinates through otic placode, lower end and dovetail groove.
6. according to claim 5 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
The top of the spring carrying block one and spring carrying block two is provided with support base, and the support base is provided with support bar, the support bar
Through Leaf Spring Suspension end grasswort.
7. according to claim 2 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
Longitudinal electro-hydraulic servo actuator end is provided with universal joint, and the universal joint can be with simulation vehicle bridge upper side phase
Even.
8. according to claim 2 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
Upper backup pad is provided with above the fixed plate, the vertical electro-hydraulic servo actuator is fixed by fixed plate and upper backup pad to be connected
Connect.
9. according to claim 2 be used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment, it is characterised in that：
The guiding locking support a is identical with locking support b structures are oriented to, including sleeve pipe, axle sleeve and fastening bolt, described sleeve pipe one
End is provided with opening, and the axle sleeve is arranged on the sleeve pipe other end and corresponding with opening, described sleeve pipe middle through-hole and guide pillar a or
Guide pillar b coordinates, and the end of the axle sleeve and horizontal electro-hydraulic servo actuator or longitudinal electro-hydraulic servo actuator coordinates, the fastening
The connecting portion of bolt-through ferrule openings one end.
10. it is used for vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment according to claim any one of 1-9
Using, it is characterised in that：The loading of the horizontal load maintainer, longitudinal load maintainer and Plumb load mechanism uses static state step by step
Loading Method and dynamic harmonic advocate approach, static stepwise loading method are used for the static rigidity characteristic for testing leaf spring, harmonic excitation
Method is used for the dynamic rate and damping characteristic for testing leaf spring；
Power source is controlled to provide and swash horizontal load maintainer, longitudinal load maintainer and Plumb load mechanism by software control system
Encourage, the input of Plumb load mechanism either statically or dynamically preloaded, vertical quiet/dynamic stiffness of main measurement Leaf Spring Suspension System and
Damping characteristic；Horizontal load maintainer and the input of Plumb load mechanism are preloaded, Leaf Spring Suspension during main measurement Vehicular turn
System stiffness and damping characteristic, the dynamic design of leaf spring provides reference during for Vehicular turn；To longitudinal load maintainer and hang down
Preloaded to load maintainer input, Leaf Spring Suspension System rigidity and damping characteristic when main measurement vehicle traction or braking；
Wherein software control system includes the selection of sinusoidal, triangle or square wave test waveform, sets test frequency, amplitude and work
Dynamic number of times, and preloading numerical value is set.
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| CN201710656488.7A CN107314896A (en) | 2017-08-03 | 2017-08-03 | For vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment and its application |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843483A (en) * | 2017-12-04 | 2018-03-27 | 滁州汽车与家电技术及装备研究院 | A kind of high-frequency electrohydraulic servo dynamic stiffness tester |
| CN108007700A (en) * | 2017-12-31 | 2018-05-08 | 中国第汽车股份有限公司 | Commercial car steering and driving system movement interference measurement Bench Test System |
| CN108731897A (en) * | 2018-06-04 | 2018-11-02 | 东北大学 | A kind of device and application method measuring vehicle riding comfort |
| CN108760259A (en) * | 2018-05-04 | 2018-11-06 | 西南交通大学 | A kind of contact of multifunction vibration and energy transition experiment platform |
| CN109030038A (en) * | 2018-08-09 | 2018-12-18 | 中车株洲电力机车有限公司 | A kind of calibration test platform for force-measuring wheel set |
| CN109238764A (en) * | 2018-11-05 | 2019-01-18 | 重庆德新机器人检测中心有限公司 | A kind of static state flexibility loading equipemtn and load test system |
| CN109297732A (en) * | 2018-11-13 | 2019-02-01 | 中车长春轨道客车股份有限公司 | Framework spring base load charger based on simulation axle mechanism |
| CN109765062A (en) * | 2019-01-21 | 2019-05-17 | 石家庄铁道大学 | It is a kind of for testing the testing stand of the dynamic property of vehicle suspension leaf spring |
| CN110057529A (en) * | 2019-05-21 | 2019-07-26 | 青岛科技大学 | A kind of wheel rim accelerating type tire impact test apparatus |
| CN110487495A (en) * | 2019-06-12 | 2019-11-22 | 宁波高悦精密机械有限公司 | A kind of elastomer performance test equipment and elastomer performance test method |
| CN112067274A (en) * | 2020-09-18 | 2020-12-11 | 中国纺织科学研究院有限公司 | Device and method for testing salt spray fatigue resistance of longitudinally-arranged composite plate spring |
| CN112129504A (en) * | 2020-09-18 | 2020-12-25 | 中国纺织科学研究院有限公司 | Device and method for testing performance of longitudinally-arranged composite plate spring |
| CN112213062A (en) * | 2020-09-29 | 2021-01-12 | 南京航空航天大学 | Sudden-increase high-energy basic excitation test bed for laboratory and test method |
| CN112268821A (en) * | 2020-09-18 | 2021-01-26 | 中国纺织科学研究院有限公司 | Device and method for testing temperature resistance and fatigue performance of longitudinally-arranged composite plate spring |
| CN112284767A (en) * | 2020-11-13 | 2021-01-29 | 重庆长安汽车股份有限公司 | Device and method for testing durability of automobile traction and traction assembly |
| CN112629845A (en) * | 2020-12-21 | 2021-04-09 | 西南交通大学 | Strength test device of suspension frame framework of magnetic levitation vehicle |
| CN113418667A (en) * | 2021-06-01 | 2021-09-21 | 东风柳州汽车有限公司 | Auxiliary loading device |
| CN113720513A (en) * | 2021-10-11 | 2021-11-30 | 江西弘力汽车零部件有限公司 | Steel plate spring bushing pulling-out force detection device |
| CN113933170A (en) * | 2021-10-13 | 2022-01-14 | 江西弘力汽车零部件有限公司 | Steel plate spring stiffness testing device |
| CN114623992A (en) * | 2022-03-14 | 2022-06-14 | 一汽解放汽车有限公司 | Leaf spring loading test bench |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107843483A (en) * | 2017-12-04 | 2018-03-27 | 滁州汽车与家电技术及装备研究院 | A kind of high-frequency electrohydraulic servo dynamic stiffness tester |
| CN108007700A (en) * | 2017-12-31 | 2018-05-08 | 中国第汽车股份有限公司 | Commercial car steering and driving system movement interference measurement Bench Test System |
| CN108760259A (en) * | 2018-05-04 | 2018-11-06 | 西南交通大学 | A kind of contact of multifunction vibration and energy transition experiment platform |
| CN108731897A (en) * | 2018-06-04 | 2018-11-02 | 东北大学 | A kind of device and application method measuring vehicle riding comfort |
| CN109030038A (en) * | 2018-08-09 | 2018-12-18 | 中车株洲电力机车有限公司 | A kind of calibration test platform for force-measuring wheel set |
| CN109238764A (en) * | 2018-11-05 | 2019-01-18 | 重庆德新机器人检测中心有限公司 | A kind of static state flexibility loading equipemtn and load test system |
| CN109238764B (en) * | 2018-11-05 | 2024-03-19 | 重庆凯瑞机器人技术有限公司 | Static flexibility loading equipment and loading test system |
| CN109297732A (en) * | 2018-11-13 | 2019-02-01 | 中车长春轨道客车股份有限公司 | Framework spring base load charger based on simulation axle mechanism |
| CN109765062A (en) * | 2019-01-21 | 2019-05-17 | 石家庄铁道大学 | It is a kind of for testing the testing stand of the dynamic property of vehicle suspension leaf spring |
| CN109765062B (en) * | 2019-01-21 | 2020-10-09 | 石家庄铁道大学 | Test bed for testing dynamic performance of vehicle suspension plate spring |
| CN110057529A (en) * | 2019-05-21 | 2019-07-26 | 青岛科技大学 | A kind of wheel rim accelerating type tire impact test apparatus |
| CN110487495A (en) * | 2019-06-12 | 2019-11-22 | 宁波高悦精密机械有限公司 | A kind of elastomer performance test equipment and elastomer performance test method |
| CN112129504A (en) * | 2020-09-18 | 2020-12-25 | 中国纺织科学研究院有限公司 | Device and method for testing performance of longitudinally-arranged composite plate spring |
| CN112067274A (en) * | 2020-09-18 | 2020-12-11 | 中国纺织科学研究院有限公司 | Device and method for testing salt spray fatigue resistance of longitudinally-arranged composite plate spring |
| CN112268821A (en) * | 2020-09-18 | 2021-01-26 | 中国纺织科学研究院有限公司 | Device and method for testing temperature resistance and fatigue performance of longitudinally-arranged composite plate spring |
| CN112213062A (en) * | 2020-09-29 | 2021-01-12 | 南京航空航天大学 | Sudden-increase high-energy basic excitation test bed for laboratory and test method |
| CN112284767A (en) * | 2020-11-13 | 2021-01-29 | 重庆长安汽车股份有限公司 | Device and method for testing durability of automobile traction and traction assembly |
| CN112284767B (en) * | 2020-11-13 | 2023-03-24 | 重庆长安汽车股份有限公司 | Device and method for testing durability of automobile traction and traction assembly |
| CN112629845A (en) * | 2020-12-21 | 2021-04-09 | 西南交通大学 | Strength test device of suspension frame framework of magnetic levitation vehicle |
| CN112629845B (en) * | 2020-12-21 | 2024-05-03 | 西南交通大学 | Intensity test device of magnetic levitation vehicle suspension frame |
| CN113418667A (en) * | 2021-06-01 | 2021-09-21 | 东风柳州汽车有限公司 | Auxiliary loading device |
| CN113720513A (en) * | 2021-10-11 | 2021-11-30 | 江西弘力汽车零部件有限公司 | Steel plate spring bushing pulling-out force detection device |
| CN113933170A (en) * | 2021-10-13 | 2022-01-14 | 江西弘力汽车零部件有限公司 | Steel plate spring stiffness testing device |
| CN113933170B (en) * | 2021-10-13 | 2023-10-03 | 江西弘力汽车零部件有限公司 | Leaf spring rigidity testing arrangement |
| CN114623992B (en) * | 2022-03-14 | 2024-04-12 | 一汽解放汽车有限公司 | Steel plate spring loading test bench |
| CN114623992A (en) * | 2022-03-14 | 2022-06-14 | 一汽解放汽车有限公司 | Leaf spring loading test bench |
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