CN206208504U - A kind of fatigue load experimental rig of leaf springs of car - Google Patents
A kind of fatigue load experimental rig of leaf springs of car Download PDFInfo
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- CN206208504U CN206208504U CN201621068973.XU CN201621068973U CN206208504U CN 206208504 U CN206208504 U CN 206208504U CN 201621068973 U CN201621068973 U CN 201621068973U CN 206208504 U CN206208504 U CN 206208504U
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Abstract
The utility model discloses a kind of fatigue load experimental rig of leaf springs of car, including bottom bracket, the transverse direction of the bottom bracket is provided with fixed motion bracket, support frame and fixed static support from left to right；Hydraulic actuator is provided with the top of the fixed motion bracket, the hydraulic actuator is connected with force snesor, the force snesor is fixedly connected with loading motion pole；Stationary guide rails are provided with the top of support frame as described above, the left side rear and front end of the stationary guide rails is respectively arranged with motion guide wheel, and described two motion guide wheels are hinged with leaf spring rear and front end；The loading motion pole is fixedly connected with the leaf spring；The left side wall of the fixed static support is fixedly connected with the static pole of loading, loads static pole left end and is fixedly connected with the leaf spring after the stationary guide rails.The utility model can allow test operation personnel that temperature stress is easily and reliably carried out to leaf springs of car and fatigue load is tested, easy to operate, significantly reduces experimentation cost.
Description
Technical field
The utility model is related to fatigue test technology field, the fatigue load experiment dress of more particularly to a kind of leaf springs of car
Put.
Background technology
At present, fatigue experimental device is stress or the strain for sample or component is born cycle or change at random, to determine
The device of the index such as fatigue limit and fatigue life.Before product comes into operation, need to carry out sufficient fatigue in the lab
Performance test is examined, and fatigue limit and the fatigue life of product is measured, so as to ensure that product will not go out in actual use
Existing fatigue damage failure.
For automobile, when it runs into road surface to the impulsive force of wheel in the process of moving, the leaf spring of automobile will be deformed,
So as to play a part of buffering, damping.Additionally, the leaf spring of automobile also has the effect for being oriented to power transmission when being longitudinally arranged.Due to
The difference of road conditions, the leaf spring of automobile can not only be subject to mechanical shock, reversed fatigue load in real process, also suffer from temperature
Degree, the influence of humidity.At present, some leaf springs do not use steel plate, but use new composite, for composite
Fatigue properties need to carry out experimental evaluation, so needing to carry out leaf spring the fatigue load experiment under environmental stress.
But, current device simply individually can carry out temperature stress and detect to leaf springs of car, or individually
Carry out fatigue load experiment, it is therefore desirable to configure many table apparatus, not only occupy substantial amounts of test space, and need experiment behaviour
Make personnel to be familiar with grasping many table apparatus, very big inconvenience is brought to the routine use of test operation personnel.
Therefore, at present in the urgent need to developing a kind of fatigue experimental device, it can allow test operation personnel convenient, reliable
Ground is detected to the temperature stress of leaf springs of car, and carries out fatigue load experiment to leaf springs of car simultaneously, test operation convenience,
Fast, experimentation cost is significantly reduced, valuable test space is saved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of fatigue load experimental rig of leaf springs of car, and it can be with
Allow test operation personnel are convenient, the temperature stress reliably to leaf springs of car is detected, and leaf springs of car carried out simultaneously tired
Labor load test, test operation is convenient, fast, significantly reduces experimentation cost, saves valuable test space, is conducive to extensive
Production application, is of great practical significance.
Therefore, the utility model provides a kind of fatigue load experimental rig of leaf springs of car, including bottom bracket, it is described
The top left and right two ends of bottom bracket are respectively perpendicular and are provided with fixed motion bracket and fixed static support；
A support frame is provided between the fixed motion bracket and fixed static support；
A hydraulic actuator, the output shaft of the hydraulic actuator right-hand member are provided with the top of the fixed motion bracket
It is connected with a force snesor, the force snesor is fixedly connected with the left end of a loading motion pole；
A stationary guide rails, the left side rear and front end difference of the stationary guide rails are vertically arranged with the top of support frame as described above
A motion guide wheel is provided with, described two motion guide wheels are hinged with the rear and front end of the leaf spring for needing to carry out fatigue test；
The right part of the loading motion pole is fixedly connected with the left side wall of the leaf spring；
The left side wall of the fixed static support is fixedly connected with a static pole of loading, the static pole of loading
Left end is fixedly connected after the stationary guide rails with the right side wall of the leaf spring.
Wherein, the leaf spring, stationary guide rails, motion guide wheel are located at a hollow incubator the inside.
Wherein, the left end of the static pole of the loading after right side wall, the stationary guide rails of the incubator with it is described
The right side wall of leaf spring is fixedly connected；
The right part of the loading motion pole is fixed after the left side wall of the incubator with the left side wall of the leaf spring
Connection.
Wherein, the left and right sides wall of the incubator is respectively corresponding with the loading motion pole, the static pole of loading
Position on be provided with through hole；
The loading motion pole and the static pole of loading are provided with silica gel in gap respectively between the through hole
Heat-insulating cloth.
Wherein, the hydraulic actuator is connected with a power plant module, and the power plant module is used to make for the hydraulic pressure
Dynamic device provides the kinetic energy of stabilization.
Wherein, the power plant module includes hydraulic power source and proportional valve controller, the proportional valve controller and the hydraulic pressure
Source is connected, and the hydraulic power source is connected with the hydraulic actuator, and the proportional valve controller is used to control the hydraulic power source
To the hydraulic pressure size that the hydraulic actuator is exported, so as to control the magnitude of load of the hydraulic actuator output.
Wherein, the hydraulic actuator be the low friction of small cylinder diameter it is double go out rod-type hydraulic actuator.
Wherein, the force snesor is connected with a data acquisition module by holding wire, the data acquisition module
Load value and the deformation quantity of leaf spring for obtaining the hydraulic actuator applying that the force snesor is exported.
Wherein, also including test control module, the test control module is connected with the power plant module, for institute
State power plant module and send control signal, control the power plant module to export the alternate load of default size to hydraulic actuator.
Wherein, the test control module is connected with the proportional valve controller in the power plant module；
The test control module is waveform generator.
The technical scheme provided from above the utility model, compared with prior art, the utility model proposes
A kind of fatigue load experimental rig of leaf springs of car, its can allow test operation personnel it is convenient, reliably to the temperature of leaf springs of car
Degree stress is detected, and to leaf springs of car carries out fatigue load experiment simultaneously, and test operation is convenient, fast, significantly reduces examination
Cost is tested, valuable test space is saved, is conducive to extensive production application, be of great practical significance.
Brief description of the drawings
A kind of fatigue load experimental rig of leaf springs of car that Fig. 1 is provided for the utility model is vertical when incubator is not drawn
Body structural representation；
A kind of front view of the fatigue load experimental rig of leaf springs of car that Fig. 2 is provided for the utility model；
A kind of top view of the fatigue load experimental rig of leaf springs of car that Fig. 3 is provided for the utility model；
In figure, 1 is bottom bracket, and 2 is fixed static support, and 3 is the static pole of loading, and 5 is incubator, and 6 is support frame, 7
It is loading motion pole, 8 is force snesor, and 9 is hydraulic actuator, and 10 is fixed motion bracket, and 11 is stationary guide rails, and 12 is fortune
Dynamic guide wheel, 13 is leaf spring.
Specific embodiment
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and implementation method
The utility model is described in further detail.
A kind of fatigue load experimental rig of the leaf springs of car provided referring to Fig. 1 to Fig. 3, the utility model, for facilitating,
Reliably the temperature stress to leaf springs of car detects, and to leaf springs of car carries out fatigue load experiment simultaneously.
The fatigue load experimental rig of leaf springs of car of the present utility model specifically includes bottom bracket 1, the bottom bracket 1
Top left and right two ends be respectively perpendicular and be provided with fixed motion bracket 10 and fixed static support 2, the fixed motion bracket 10
A support frame 6 is provided with and fixed static support 2 between, that is to say, that the transverse direction of the bottom bracket 1 is set from left to right
There are fixed motion bracket 10, support frame 6 and fixed static support 2；
The top of the fixed motion bracket 10 is provided with a hydraulic actuator 9, the right-hand member of the hydraulic actuator 9 it is defeated
Shaft is connected with a force snesor 8, and the force snesor 8 is fixedly connected with the left end of a loading motion pole 7；
The top of support frame as described above 6 is vertically arranged with a stationary guide rails 11, two before and after the left side of the stationary guide rails 11
End is respectively arranged with a motion guide wheel 12, before and after described two motion guide wheels 12 and the leaf spring 13 for needing to carry out fatigue test
Two ends are hinged；
The right part of the loading motion pole 7 is fixedly connected (be for example threadedly coupled) with the left side wall of the leaf spring 13；
The left side wall of the fixed static support 2 is fixedly connected with a static pole 3 of loading, the static pole of loading
3 left end is fixedly connected (be for example threadedly coupled) after the stationary guide rails 11 with the right side wall of the leaf spring 13.
In the utility model, in order to the temperature stress to leaf springs of car is detected, referring to Fig. 2, implement, institute
State leaf spring 13, stationary guide rails, motion guide wheel 12 and be located at a rectangle, the hollow the inside of incubator 5；
The left end of the static pole 3 of the loading after right side wall, the stationary guide rails 11 of the incubator 5 with the plate
The right side wall of spring 13 is fixedly connected (be for example threadedly coupled)；
Left side wall of the right part of the loading motion pole 7 after the left side wall of the incubator 5 with the leaf spring 13
It is fixedly connected (be for example threadedly coupled).
For the utility model, implement, the left and right sides wall of the incubator 5 is moving branch with the loading respectively
Through hole, and the loading motion pole 7 and the static pole 3 of loading are provided with the corresponding position of bar 7, the static pole 3 of loading
Silica gel heat-insulating cloth is provided with the gap between the through hole respectively, the heat exchange for reducing incubator and the external world.
It should be noted that the incubator 5 can adjust its internal temperature and humidity, for provide stabilization temperature and
The environmental stress of humidity.The bottom bracket 1, fixed motion bracket 10, fixed static support 2 and right fixed plate 11 have higher
Rigidity.
Wherein, the bottom bracket 1, the weight for supporting whole fatigue load experimental rig, is the master of whole device
Framework；The fixed static support 2, for balancing the load that the leaf spring 13 is subject to indirectly, and is transferred to the bottom by power
Support 1；The fixed motion bracket 10, for the load that direct balanced hydraulic actuator 9 is subject to, and transfers force to bottom branch
Frame 1；
The static pole 3 of loading is used for the load that directly balance leaf spring 13 is subject to, and transmits the force to fixed static branch
Frame 2；
The hydraulic actuator 9, the active force (i.e. load) for exporting straight reciprocating motion to the direction of force snesor 8；
The force snesor 8, for monitoring the load value of the applying of the hydraulic actuator 9 and the deformation quantity of leaf spring 13；
The loading motion pole 7, the active force of the straight reciprocating motion for hydraulic actuator 9 to be exported is delivered to plate
On spring 13, and hydraulic actuator 9 and incubator 5 are isolated；
Support frame as described above 6 is used to increase the integral rigidity of the utility model device；
The stationary guide rails 11, the movement locus for constraining the leaf spring 13 so that leaf spring 13 applies by straight line
Alternate load under, stretching, extension slip can be carried out along the free degree of regulation, simulate the reciprocating motion under actual vehicle condition；
The motion guide wheel 12, for realizing that leaf spring 13 (is loaded with the loading motion pole 7, the static pole 3 of loading
Mechanism) between relative motion.
, it is necessary to explanation, the stationary guide rails 11 and motion guide wheel 12, can be led by motion in the utility model
12 rotations of itself of wheel, and constraint of the stationary guide rails 11 to the free degree of leaf spring 13, eliminate the two ends of the leaf spring 13 or so
Load maintainer central shaft (i.e. described loading motion pole 7 and the static pole 3 of loading) decentraction problem when mounted, while
Efficiently avoid and occur stuck problem in reciprocating action, it is ensured that experiment can normally run for a long time.
In the utility model, a displacement transducer can also be set on the right side wall of the fixed motion bracket 10,
For the shift value of the output shaft when rectilinear direction is moved repeatedly of the right-hand member of hydraulic actuator described in real-time monitoring 9.
In the utility model, implement, the incubator 5 can adjust its internal temperature with any one
Incubator, for example, can be the incubator of the model WT1110-10DEHVB of Tianjin space flight Rui Lai Science and Technology Ltd.s production, incubator
Volume is 10m3, and the temperature range that can be adjusted is -70~120 DEG C.
, it is necessary to explanation, the bottom bracket 1 is Assembled universal frock, the crossbeam of support in the utility model
It is upper to use uniform waist-shaped hole, can be according to the different free adjustment assemblies of installation site.The fixed motion bracket 10, fixation
Stationary bracket 2 and bottom bracket 1 form an entirety, while strengthening self stability, also improve the utility model device
Integral rigidity.
In the utility model, the hydraulic actuator 9 is connected with a power plant module, and the power plant module is for being
The hydraulic actuator 9 provides the kinetic energy of stabilization.Implement, the power plant module can provide dynamic for any one
The power plant module of power, preferably comprises the hydraulic power source that can provide steady pressure and flow, using hydraulic oil as medium, wherein
Pressure and flow can carry out stepless regulating by electric signal, and equipped with energy storage equipment, to reduce the impact in motion.
Implement, the power plant module includes hydraulic power source and proportional valve controller, the proportional valve controller and institute
State hydraulic power source to be connected, the hydraulic power source is connected with the hydraulic actuator 9, the proportional valve controller is described for controlling
The hydraulic pressure size that hydraulic power source is exported to the hydraulic actuator 9, so as to control the magnitude of load that the hydraulic actuator 9 is exported.
Implement, the hydraulic actuator 9 preferably using small cylinder diameter low friction it is double go out rod-type hydraulic actuator,
The utility model is more beneficial for be controlled.
For the utility model, the power plant module uses hydraulically extensible drive mechanism, that is, including being fixedly installed
Hydraulic actuator 2 and corresponding proportional valve controller.
It should be noted that the power plant module is not to be disposed vertically in the lower section of incubator 5, but by incubator 5
Side wall carries out horizontal addload.The loading motion pole 7, the static pole 3 (as load maintainer) of loading and power plant module can
To form an internal force structure for self-balancing.
In the utility model, the loading motion pole 7, the static pole 3 of loading, stationary guide rails 11 and motion guide wheel 12
The load that can apply power plant module together Deng (as load maintainer) passes being delivered on leaf spring 13 of stabilization, and by power mould
13 and incubator 5 formed temperature environment isolation, do not interfere with mutually.
In the utility model, the loading motion pole 7, the static pole 3 of loading, stationary guide rails 11 and motion guide wheel 12
The motion mode of leaf spring real vehicle can be simulated together Deng (as load maintainer) so that leaf spring 13 is in the alternate load by straight line
Under, can freely stretch slip.
In the utility model, the force snesor 8 is connected with a data acquisition module by holding wire, the number
It is used in process of the test according to acquisition module, obtains load data that the force snesor 8 exported (including the hydraulic actuation
Load value and the deformation quantity of leaf spring 13 that device 9 applies).Therefore, the data acquisition module passes through power biography described in real time record
The load test data that sensor 8 is exported, can show the statistical parameter of force curve.
In the utility model, implement, the data acquisition module can effectively gather institute with any one
The data acquisition device of the load data that force snesor 8 is exported is stated, for example, can be the production of Stettlen Electronics Co., Ltd.
The dynamic signalling analysis system of model TST-5912, sample frequency is 100k, and port number is 16 passages.
In the utility model, the fatigue load experimental rig of the leaf springs of car that the utility model is provided also includes that experiment is controlled
Molding block, the test control module is connected with the power plant module, for sending control signal to the power plant module, control
The alternate load (the numerical value meeting dynamic change of load) of the default size of power plant module output is made to hydraulic actuator 9.Therefore,
The test control module can control the hydraulic power source and ratio according to the load of test operation personnel setting or decrement
The hydraulically extensible drive mechanism that valve control is formed, can meet the experimental condition of different alternate loads or decrement.
Implement, the test control module is connected with the proportional valve controller in the power plant module, is used for
Control signal is sent to the proportional valve controller in the power plant module, so as to control the hydraulic power source in the power plant module to institute
State the hydraulic pressure size of the output of hydraulic actuator 9.
Implement, a signal generator is included in the test control module, for forming control signal (such as
Voltage signal).Therefore, it can by test control module of the present utility model, to the proportional valve control in the power plant module
Device input given frequency, power, displacement signal (i.e. control signal), you can proportional valve controller is driven by voltage signal, from
And the hydraulic pressure size for controlling hydraulic power source to export, the action of hydraulic cylinder is controlled, constantly carry out closed-loop control.
In the utility model, implement, the test control module can be central processor CPU, numeral letter
Number processor DSP or single-chip microprocessor MCU, preferably the waveform generator digital signal generator of frequency-shift keying amplitude modulation (can).
In order to the fatigue load experimental rig of the leaf springs of car provided the utility model has more intuitive understanding, below
The specific installation and debugging step of fatigue experimental device of the present utility model is briefly explained, is comprised the following steps：
1st, fixed static support 2 and fixed motion bracket 10 are installed on bottom bracket 1, and by force snesor 8, hydraulic pressure
Actuator 9 is installed on fixed operation support 10；
2nd, incubator 5 is adjusted to appropriate location, loading motion pole 7 is installed on force snesor 8, in the side wall of incubator
Lubricating oil is applied in through hole, it is ensured that hydraulic actuator 9 in through hole slidably；
The 3rd, support frame 6, stationary guide rails 11, motion guide wheel 12 and leaf spring 13 are installed；
4th, install and load static pole 3 to fixed static support 2；
5th, the position of adjusting bracket, makes hydraulic actuator 9 with the center for loading static pole 3 substantially on the same axis；
The position of whole system is finely tuned, and fixation is locked；
6th, force snesor 8, displacement transducer is connected, data acquisition module is connected, whether detection signal is normal；
7th, turn on the power module, the pump pressure pressure of regulation wherein hydraulic power source；
8th, test control module is opened, certain debugging signal is given, whether detection force snesor and unit state is normal；
9th, start small magnitude experiment, observe test specimen state；
10th, magnitude is stepped up, to formal test.
It should be noted that when the thrust for testing is larger, it is possible to increase the internal diameter of hydraulic actuator 9, for experiment
When frequency is very fast, the internal diameter of hydraulic actuator 9 can be reduced.
Understood based on above technical scheme, compared with prior art, a kind of leaf springs of car that the utility model is provided
Fatigue load experimental rig, it has following technique effect：
1st, simple structure, it is easy to control, be easily installed maintenance, whole fatigue experimental device adoption rate opened loop control leads to
Two combinations of open cycle system are crossed, the basic function of closed-loop system can be completed, not only meet test requirements document, and significantly
The experimentation cost of reduction；
2nd, move back and forth actuator using hydraulic system, recycle loading system, by hydraulic system and incubator system every
From, both is not interfered with each other, straight line output higher is ensure that, while load maintainer can also simulate the fortune of leaf spring real vehicle
Flowing mode so that leaf spring can freely stretch slip under by straight line alternate load；
3rd, using close-loop control mode, in 120L/min or so, rated pressure is used device flow in 21Mpa or so
It is double go out rod-type hydraulic actuator, the stroke and switching frequency of wherein actuator can be controlled by waveform generator, for example,
The numerical value (displacement or power) of setting is input into waveform generator, you can proportional valve controller is driven by voltage signal, so that
The action of hydraulic actuator is controlled, meanwhile, the utility model uses electrical proportional formula pressure regulation, can freely be changed according to setting program
Become the thrust size of actuator, and the impact in loading procedure is absorbed using accumulator；
4th, the fatigue load experimental rig that the utility model is provided needs not rely on firm ground, and package unit forms one
The internal force structure of individual self-balancing, fully relies on the rigidity of itself, and ground is not subject to loading force, and package unit be free to
It is mobile, experiment early investment cost is greatly saved；
5th, the fatigue load experimental rig that the utility model is provided is to the less demanding of incubator, and employs horizontal addload
Mode, loading motion pole 7 and static the two load bars of pole 3 of loading are connected to leaf spring by the perforate of incubator side wall
On, the heat exchange of the incubator inner chamber and the external world that so significantly reduce so that incubator inside humiture is evenly.
Based on above-mentioned technical proposal understand, the utility model in view of the shortcomings of the prior art with experimentation cost high, there is provided one
Plant and simply, fast, be efficiently applied to fatigue load experimental rig of the leaf springs of car under environmental stress, it is meeting different examinations
While testing condition so that whole experiment is more convenient during implementation, novelty loads incubator and Hydraulic fatigue
System is combined together.The utility model can well apply to fatigue load experiment of the leaf springs of car under environmental stress
In, it is used to the mechanical fatigue performance of train under different humitures for completing to examine product, it adds temperature range at 100 DEG C to -60 DEG C
Between, within 99%RH, within 5T, within 10Hz, amplitude is within 200mm for loading frequency for loading force for humidity range.
In sum, compared with prior art, the fatigue load experiment of a kind of leaf springs of car that the utility model is provided
Device, it can allow test operation personnel convenience, the temperature stress reliably to leaf springs of car to detect, and simultaneously to automobile
Leaf spring carries out fatigue load experiment, and test operation is convenient, fast, significantly reduces experimentation cost, saves valuable test space, has
Beneficial to extensive production application, it is of great practical significance.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (10)
1. the fatigue load experimental rig of a kind of leaf springs of car, it is characterised in that including bottom bracket (1), the bottom bracket
(1) transverse direction is provided with fixed motion bracket (10), support frame (6) and fixed static support (2) from left to right；
A hydraulic actuator (9) is provided with the top of the fixed motion bracket (10), hydraulic actuator (9) right-hand member
Output shaft is connected with a force snesor (8), and the force snesor (8) is fixed with the left end of loading motion pole (7)
Connection；
A stationary guide rails (11) is vertically arranged with the top of support frame as described above (6), before and after the left side of the stationary guide rails (11)
Two ends are respectively arranged with a motion guide wheel (12), described two motions guide wheel (12) and the leaf spring for needing to carry out fatigue test
(13) rear and front end is hinged；
The right part of loading motion pole (7) is fixedly connected with the left side wall of the leaf spring (13)；
The left side wall of the fixed static support (2) is fixedly connected with a static pole (3) of loading, the static pole of loading
(3) left end is fixedly connected after the stationary guide rails (11) with the right side wall of the leaf spring (13).
2. device as claimed in claim 1, it is characterised in that the leaf spring (13), stationary guide rails (11), motion guide wheel (12)
Positioned at hollow incubator (5) the inside.
3. device as claimed in claim 2, it is characterised in that the left end of the static pole of loading (3) runs through the incubator
(5) it is fixedly connected with the right side wall of the leaf spring (13) after right side wall, the stationary guide rails (11)；
Left side of the right part of loading motion pole (7) after the left side wall of the incubator (5) with the leaf spring (13)
Wall is fixedly connected.
4. device as claimed in claim 3, it is characterised in that the left and right sides wall of the incubator (5) respectively with it is described plus
Carrying moves pole (7), to load and be provided with through hole on the corresponding position of static pole (3)；
Loading motion pole (7) and the static pole (3) of loading are provided with silicon in gap respectively between the through hole
Glue heat-insulating cloth.
5. the device as any one of Claims 1-4, it is characterised in that the hydraulic actuator (9) and a power
Module is connected, and the power plant module is used to be provided for the hydraulic actuator (9) kinetic energy of stabilization.
6. device as claimed in claim 5, it is characterised in that the power plant module includes hydraulic power source and proportional valve controller,
The proportional valve controller is connected with the hydraulic power source, and the hydraulic power source is connected with the hydraulic actuator (9), the ratio
Example valve control is used for the hydraulic pressure size for controlling the hydraulic power source to be exported to the hydraulic actuator (9), so as to control the liquid
The magnitude of load of pressure actuator (9) output.
7. device as claimed in claim 5, it is characterised in that the hydraulic actuator (9) is the double of the low friction of small cylinder diameter
Go out rod-type hydraulic actuator.
8. device as claimed in claim 1, it is characterised in that the force snesor (8) passes through with a data acquisition module
Holding wire is connected, and the data acquisition module is used to obtain the hydraulic actuator (9) that the force snesor (8) is exported
The deformation quantity of the load value and leaf spring (13) of applying.
9. device as claimed in claim 5, it is characterised in that also including test control module, the test control module with
The power plant module is connected, and for sending control signal to the power plant module, controls the power plant module output default big
Small alternate load gives hydraulic actuator (9).
10. device as claimed in claim 9, it is characterised in that the ratio in the test control module and the power plant module
Example valve control is connected；
The test control module is waveform generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068973.XU CN206208504U (en) | 2016-09-20 | 2016-09-20 | A kind of fatigue load experimental rig of leaf springs of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621068973.XU CN206208504U (en) | 2016-09-20 | 2016-09-20 | A kind of fatigue load experimental rig of leaf springs of car |
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| Publication Number | Publication Date |
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| CN206208504U true CN206208504U (en) | 2017-05-31 |
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| CN201621068973.XU Active CN206208504U (en) | 2016-09-20 | 2016-09-20 | A kind of fatigue load experimental rig of leaf springs of car |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168535A (en) * | 2016-09-20 | 2016-11-30 | 天津航天瑞莱科技有限公司 | A kind of fatigue load assay device of leaf springs of car |
| CN107356426A (en) * | 2017-09-18 | 2017-11-17 | 株洲时代新材料科技股份有限公司 | Longitudinal flat spring hangs down lateral fatigue test device and method |
| CN109238674A (en) * | 2018-09-11 | 2019-01-18 | 江苏擎弓科技股份有限公司 | Composite material automobile leaf spring quality inspection technique quality detection apparatus |
-
2016
- 2016-09-20 CN CN201621068973.XU patent/CN206208504U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168535A (en) * | 2016-09-20 | 2016-11-30 | 天津航天瑞莱科技有限公司 | A kind of fatigue load assay device of leaf springs of car |
| CN106168535B (en) * | 2016-09-20 | 2019-02-05 | 天津航天瑞莱科技有限公司 | A kind of fatigue load experimental rig of leaf springs of car |
| CN107356426A (en) * | 2017-09-18 | 2017-11-17 | 株洲时代新材料科技股份有限公司 | Longitudinal flat spring hangs down lateral fatigue test device and method |
| CN109238674A (en) * | 2018-09-11 | 2019-01-18 | 江苏擎弓科技股份有限公司 | Composite material automobile leaf spring quality inspection technique quality detection apparatus |
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