CN106500981B - A kind of rubber laminated spring is comprehensive performance test bed and its test method - Google Patents
A kind of rubber laminated spring is comprehensive performance test bed and its test method Download PDFInfo
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- CN106500981B CN106500981B CN201611062281.9A CN201611062281A CN106500981B CN 106500981 B CN106500981 B CN 106500981B CN 201611062281 A CN201611062281 A CN 201611062281A CN 106500981 B CN106500981 B CN 106500981B
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- laminated spring
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- 238000011056 performance test Methods 0.000 title claims abstract description 25
- 238000010998 test method Methods 0.000 title abstract description 6
- 238000012360 testing method Methods 0.000 claims abstract description 44
- 230000005284 excitation Effects 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 238000004458 analytical method Methods 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000009661 fatigue test Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000013523 data management Methods 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- 238000009666 routine test Methods 0.000 claims description 3
- 230000035882 stress Effects 0.000 description 18
- 230000036316 preload Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 241000271559 Dromaiidae Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of rubber laminated spring is comprehensive performance test bed and its test method, belong to Vehicle Engineering technical field.Including being equipped with the vertical actuator being connected with hydraulic system in the middle part of crossbeam, vertical actuator is connected by vertical attachment device with carrying top plate, forms vertical excitation loading device；Lateral actuator and the fixed composition transversely excited loading device of lateral counter-force seat, vertical facade on the inside of the L-shaped structure of firm banking is equipped with the fixed plate connecting with outer collar, the plane of the L-shaped structure of firm banking is equipped with the chassis for presenting concave convex, and midfeather disk is fixed by cross-connecting apparatus and lateral actuator；The periphery of firm banking is equipped with the incubator formed with air-conditioner external.The rubber laminated spring dynamic performance test item of lateral load test, Plumb load test and different fatigue period can be completed using the testing stand.It is mainly used for rubber laminated spring comprehensive performance test.
Description
Technical field
The present invention is to belong to Vehicle Engineering technical field, in particular to the kinetics of a kind of vehicle rubber laminated spring
It can measuring technology.
Background technique
As the raising of the rail vehicle speed of service and comfort require increasingly stringent, rubber laminated spring adds double-round steel
The single stage suspension of circle spring has good non-linear rigidity and vertical damping performance and has obtained universal application.Rubber lamination bullet
Spring significant effect in terms of high-frequency vibration is isolated plays an important role to vehicle riding comfort aspect.Rubber laminated spring
Rigidity, damping characteristic influenced by actual conditions such as temperature, load, amplitude, frequencies, due to rubber laminated spring material become
The influence of the factors such as shape, environment temperature and load change, rubber different fatigue period, causes rubber laminated spring to vehicle power
The impact analysis inaccuracy of performance is learned, therefore, it is necessary to one kind can comprehensively consider environment temperature, fatigue period, external load etc.
The test method and test-bed of influence of the factor to the kinetic characteristics of rubber laminated spring, to improve to rubber laminated spring
The analysis that dynamics of vehicle is influenced.
EMU one is that the shape of rubber laminated spring, volume are more special, causes the performance test of rubber spring more
It is difficult.The country there is no the comprehensive performance test bed of rubber laminated spring at present.
Summary of the invention
The object of the present invention is to provide a kind of comprehensive performance test bed and its test methods of rubber laminated spring, it can have
Effect ground solves the test problem of the rubber laminated spring comprehensive performances such as excitation amplitude, load, fatigue period, environment temperature.
The purpose of the present invention is achieved through the following technical solutions: a kind of rubber laminated spring comprehensive performance test
Platform, the crossbeam middle part including hydraulic system, door shape pedestal are equipped with the vertical actuator being connected with hydraulic system, and vertical actuator is logical
It crosses vertical attachment device to be connected with carrying top plate, forms vertical excitation loading device；Lateral actuator is fixed with lateral counter-force seat
Transversely excited loading device is formed, the vertical facade on the inside of the L-shaped structure of firm banking is equipped with the fixation connecting with outer collar
Plate, the plane of the L-shaped structure of firm banking are equipped with the chassis for presenting concave convex, and the internal diameter of outer collar uniformly distributed four lack
Mouthful, the outer diameter for carrying top plate is also evenly distributed with four notches, they are correspondingly formed I-shaped connected in star two-by-two, the groove and I-shaped fastener
Cooperation；Midfeather disk is fixed by cross-connecting apparatus and lateral actuator；The periphery of firm banking is equipped with band air-conditioner external
The incubator of composition.
The plane of firm banking is provided with the identical blind hole of boss diameter with chassis outer diameter and below, and interference is matched two-by-two
It closes；Fixed underpan, lower rubber laminated spring, midfeather disk, upper rubber laminated spring, carrying top plate are successively folded from top to bottom
It puts.
Concave diameter of blind hole on the chassis plane is identical as the metal component outer diameter of rubber laminated spring.
Upper and lower two surfaces of the midfeather disk are equipped with identical with the metal component internal diameter of rubber laminated spring
Boss.
Another object of the present invention is achieved through the following technical solutions: a kind of rubber laminated spring it is comprehensive
Energy test method, comprehensive performance test bed with routine test means including the use of above-mentioned rubber laminated spring: A, laterally load tries
It tests:
Before lateral load test, first pass through vertical actuator, vertical attachment device, carrying top plate application meet actual condition
It is required that vertical precompression, different amplitude perturbations are then applied by lateral actuator, cross-connecting apparatus, midfeather disk again
The displacement excitation of lower different frequency, to complete lateral dynamic and static state performance test；Save data, when Data Management Analysis, single rubber
Laminated spring institute's stress value is that lateral actuator feedback force value is resulting divided by 2 as a result, lateral actuator feedback shift value is not made
Change；
B, Plumb load is tested:
Before Plumb load test, the bolt connection between cross-connecting apparatus and midfeather disk is unclamped again by vertical
Actuator, vertical attachment device, carrying top plate, which apply, meets the vertical precompression of requirement of actual working condition, reach predetermined pressure it
On the basis of afterwards, apply the displacement excitation of the different frequency under different amplitude perturbations by vertical actuator, it is vertical dynamic to complete
Static properties test；Data are saved, when Data Management Analysis, single rubber laminated spring institute's stress value is vertical actuator feedback force
Value multiplies that 2 is resulting as a result, vertical actuator feedback shift value does not change.
C, the rubber laminated spring dynamic performance test in different fatigue period:
Before test, dynamic stress foil gauge is affixed on to the rubber outer side of rubber laminated spring, vertical loading device is first passed through and applies
Add the vertical precompression for meeting requirement of actual working condition, then rubber laminated spring is applied by vertical, lateral loading device simultaneously
Add the periodic excitation of certain force and specific frequency, carries out fatigue test；During fatigue test, it is started stress data and adopts
Storage acquires tired dynamic stress data；After completing target fatigue period, then Plumb load test is carried out respectively and is laterally added
Carry test.
Design feature of the invention are as follows: testing stand is made of door shape pedestal, firm banking and lateral counter-force seat, door shape pedestal
Mounting hole equipped with vertical hydraulic actuator is to install the vertical actuator being connected with hydraulic system, the L-shaped knot of firm banking
Structure, plane are equipped with chassis mounting hole, and vertical facade is equipped with follower location unit installation point, that is, fixed plate, and lateral counter-force seat is for cross
Fixation to excitation loading device.
The follower location unit specific composition are as follows: the outer collar of four notches of internal diameter band, four groups of I-shaped fasteners and
The notched carrying top plate of outer diameter.The notch of vertical excitation loading device connection carrying top plate and the notch of outer collar collectively constitute
Four groups of I-shaped connected in stars, four groups of I-shaped fasteners are respectively embedded into I-shaped connected in star, the axis for testing stand and vertical actuator
Line centering, vertical load apply during connection carrying top plate and fixed jacket circle vertical relative displacement automatic adjustment, on
The located lateral of rubber laminated spring and carrying top plate.When applying lateral displacement excitation, the lateral position of lower rubber laminated spring
Shifting is limited by midfeather disk, the lateral displacement of upper rubber laminated spring by follower location unit carrying top plate and outer collar group
Close limitation.
The vertical excitation loading device is made of actuator attachment device, carrying top plate.Attachment device is by load-supporting roof
Disk be connected with vertical actuator, it can be achieved that vertical preload and displacement excitation application.
The transversely excited loading device is made of actuator attachment device, midfeather disk.The transverse direction that actuator applies
Displacement excitation is re-applied to bear the rubber laminated spring up and down of vertical preload by attachment device, midfeather disk,
So that rubber laminated spring is made lateral shear, realizes dynamic characteristic test of the rubber laminated spring under Lateral Forced.
The hydraulic system concrete composition are as follows: connecting line, oil pump, separator, oil sources and its cooling system of actuator.
The specific composition of the humidity control system is: external compressor of air conditioner, incubator, cooling system etc..External sky
It adjusts compressor to be connected by pipeline with incubator, testing stand is placed in incubator, it can be achieved that continuing to varying environment temperature
It adjusts and directly by adjustable range is -70 to 70 degrees Celsius.
The dynamic stress monitoring modular includes dynamic force foil gauge, connecting wire, dynamic stress data collector, achievable
The reason of ambulatory stress test of rubber laminated spring and further analysis ageing of rubber.
The working principle of the invention is: having comprehensively considered the amplitude for applying excitation and frequency, ambient temperature, vertical has applied
Load the influence of lotus, online service time and different fatigue period to rubber laminated spring dynamic performance and vehicle comfort.
This testing stand combines lateral and vertical dynamically load and static loading, and experimentation cost is low, high-efficient, is adjusted by actuator
The size of vertical preload simulates different vehicle loads, and test data can be made to be more nearly the load of actual operation vehicle
Sound state response characteristic caused by changing；Different environment temperatures is controlled, can get closer to the sound under the conditions of varying environment
State response characteristic；Can also by control different fatigue period and run duration, more precisely the simulating vehicle different military service period and
Mileage travelled, monitor rubber laminated spring dynamic stress, make test data more precisely, it is true and reliable.By self-editing calculation procedure
The kinetic parameters such as rigidity, damping are obtained with the changing rule of the factors such as load, temperature, frequency, amplitude and fatigue period, thus
Complete the comprehensive performance test that high-speed EMUs one is rubber laminated spring.
Compared with prior art, the beneficial effects of the present invention are:
One, this testing stand combines vertical preload, vertical deviation, lateral displacement exciting bank to rubber laminated spring
Dynamic static loading is carried out, the current country there is no the experimental rig of rubber laminated spring, and experimentation cost is low, and test efficiency is high；It is comprehensive
It is that rubber laminated spring is dynamic to one that conjunction, which considers different excitation amplitudes and frequency, ambient temperature, vertical load, fatigue period,
The influence of mechanical property.
Two, add the mode tuning temperature of incubator, the different environment temperature of analog rubber laminated spring using external air-conditioning
Degree is that the dynamics research of rubber laminated spring has important meaning especially for one of the EMU under high and cold or hot environment
Justice.
Three, rubber laminated spring thinner thickness, it is difficult to apply transversely excited.This testing stand utilizes two rubber laminated springs
Superposition, transversely excited can be applied by midfeather disk, make rubber laminated spring transverse shear deformation up and down, realize laterally plus
It carries.
Four, this testing stand can realize the experimental study of rubber laminated spring under high frequency condition, and maximum frequency is real up to 40Hz
When export rubber laminated spring dynamic stress.Therefore it is particularly important to the dynamics research of rubber laminated spring under high frequency condition.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure
Fig. 2 is positive structure diagram of the present invention
Fig. 3 is A-A section overlooking structure diagram of the present invention
Fig. 4 is sectional perspective structural schematic diagram of the present invention
Fig. 5 is partial structurtes schematic cross-sectional view of the present invention
Fig. 6 is the schematic perspective view that the present invention removes incubator
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
A kind of rubber laminated spring is comprehensive performance test bed, including hydraulic system, door shape pedestal 1 crossbeam in the middle part of be equipped with
The connected vertical actuator 2 of hydraulic system, vertical actuator 2 are connected by vertical attachment device 7 with carrying top plate 10, and composition hangs down
To excitation loading device；Lateral actuator 5 fixes composition transversely excited loading device with lateral counter-force seat 6, and firm banking 16 is in
Vertical facade on the inside of L shape structure is equipped with the fixed plate 20 connecting with outer collar 11, and the L-shaped structure of firm banking 16 is put down
Face is equipped with the chassis 15 for presenting concave convex, and the internal diameter of outer collar 11 is evenly distributed with four notches, and the outer diameter for carrying top plate 10 is also equal
Four notches of cloth, they are correspondingly formed I-shaped connected in star two-by-two, and the groove and I-shaped fastener 9 cooperate；Midfeather disk 13 is logical
It crosses cross-connecting apparatus 8 and lateral actuator 5 is fixed；The periphery of firm banking 16 is equipped with the incubator 3 with air-conditioner external composition 4
Constitute humidity control system.
The plane of the firm banking 16 is provided with the identical blind hole of boss diameter with 15 outer diameter of chassis and below, two-by-two
Interference fit.
Concave diameter of blind hole in 15 plane of chassis is identical as the metal component outer diameter of rubber laminated spring.
Upper and lower two surfaces of the midfeather disk 13 are equipped with identical as the metal component internal diameter of rubber laminated spring
Boss.
The chassis 15, lower rubber laminated spring 14, midfeather disk 13, upper rubber laminated spring 12, carrying top plate 11
Successively stack from top to bottom.
Design feature of the invention are as follows: testing stand is made of door shape pedestal 1, firm banking 16 and lateral counter-force seat 6, door shape
Pedestal 1 is equipped with the mounting hole of vertical hydraulic actuator 2 to install the vertical actuator 2 being connected with hydraulic system, firm banking 16
L-shaped structure, plane are equipped with 15 installing blind of chassis, and vertical facade is equipped with follower location unit installation point, that is, fixed plate 20,
Lateral counter-force seat 6 is used for the fixation of transversely excited loading device.
The follower location unit specific composition are as follows: 11, four groups of I-shaped fasteners 9 of outer collar of four notches of internal diameter band
With the notched carrying top plate 10 of outer diameter.The notch of vertical excitation loading device connection carrying top plate 10 and the notch of outer collar 11
Four groups of I-shaped connected in stars are collectively constituted, four groups of I-shaped fasteners 9 are respectively embedded into I-shaped connected in star, for testing stand and vertical work
The vertical relative displacement of connection carrying top plate 10 and fixed jacket circle 11 during the axis centering of dynamic device, vertical load apply
Automatic adjustment, upper rubber laminated spring 12 and the located lateral for carrying top plate 10.When applying lateral displacement excitation, lower rubber is folded
The lateral displacement of layer spring 14 is limited by midfeather disk 13, and the lateral displacement of upper rubber laminated spring 12 is by follower location unit
Carrying top plate 10 and outer collar 11 combination limitation.
The vertical excitation loading device is made of actuator attachment device 7, carrying top plate 10.Attachment device 7 will be held
Carry top plate 10 be connected with vertical actuator 2, it can be achieved that vertical preload and displacement excitation application.
The transversely excited loading device is made of actuator attachment device 8, midfeather disk 13.The cross that actuator applies
It is re-applied to bear the upper and lower rubber lamination of vertical preload by attachment device 8, midfeather disk 13 to displacement excitation
Spring makes rubber laminated spring make lateral shear, realizes dynamic characteristic test of the rubber laminated spring under Lateral Forced.
The hydraulic system concrete composition are as follows: connecting line, oil pump, separator, oil sources and its cooling system of actuator.
The specific composition of the humidity control system is: external compressor of air conditioner, heat preservation, cooling system etc..External air-conditioning
Compressor is connected by pipeline with incubator, and testing stand is placed in incubator to the lasting tune, it can be achieved that varying environment temperature
It saves and directly by adjustable range is -70 to 70 degrees Celsius.
The dynamic stress monitoring modular includes dynamic force foil gauge 17, connecting wire 18, dynamic stress data collector 19,
The reason of ambulatory stress test of achievable rubber laminated spring and further analysis ageing of rubber.
Using routine test means, this testing stand can study the amplitude and frequency, outside that rubber laminated spring applies excitation
Environment temperature, vertical application load, online service time and different fatigue period are to rubber laminated spring dynamic performance and vehicle
The influence of comfort.
A, lateral load test:
Before lateral load test, first pass through vertical actuator 2, vertical attachment device 7, carrying top plate 10 application meet reality
Then the vertical precompression of working condition requirement applies difference by lateral actuator 5, cross-connecting apparatus 8, midfeather disk 13 again
The displacement excitation of different frequency under amplitude perturbations, to complete lateral dynamic and static state performance test；Save data, Data Management Analysis
When, single rubber laminated spring institute's stress value is that lateral actuator feedback force value is resulting divided by 2 as a result, lateral actuator feedback bit
Shifting value does not change；
B, Plumb load is tested:
Before Plumb load test, the bolt connection between cross-connecting apparatus 8 and midfeather disk 13 is unclamped again by hanging down
Apply the vertical precompression for meeting requirement of actual working condition to actuator 2, vertical attachment device 7, carrying top plate 10, it is predetermined reaching
On the basis of after pressure, apply the displacement excitation of the different frequency under different amplitude perturbations by vertical actuator, to complete
Vertical dynamic and static state performance test；Data are saved, when Data Management Analysis, single rubber laminated spring institute's stress value is vertical actuator
Feedback force value multiplies that 2 is resulting as a result, vertical actuator feedback shift value does not change.
C, the rubber laminated spring dynamic performance test in different fatigue period:
Before test, dynamic stress foil gauge 17 is affixed on to the rubber outer side of rubber laminated spring, first passes through vertical loading device 7
Apply the vertical precompression for meeting requirement of actual working condition, then simultaneously by vertical, lateral loading device to rubber laminated spring
Apply the periodic excitation of certain force and specific frequency, carries out fatigue test；During fatigue test, it is started stress data
Collector acquires tired dynamic stress data；After completing target fatigue period, then Plumb load test and transverse direction are carried out respectively
Load test.
This testing stand combines lateral and vertical dynamically load and static loading, and experimentation cost is low, high-efficient, passes through work
The size that dynamic device adjusts vertical preload simulates different vehicle loads, and test data can be made to be more nearly actual operation vehicle
Load change caused by laminated spring sound state response characteristic；Different environment temperatures is controlled, can get closer to difference
Sound state response characteristic under environmental condition；Can also be by control different fatigue period and run duration, more precisely simulating vehicle
Different military service periods and mileage travelled, make test data more precisely, it is true and reliable.By self-editing calculation procedure obtain rigidity,
Changing rule of the kinetic parameters such as damping with factors such as load, temperature, frequency, amplitude, spring volume and fatigue periods, research
The Static and dynamic performance of rubber laminated spring provides reliable comparison for the precise physical of rubber laminated spring and the foundation of mathematical model
Foundation.
Claims (4)
1. a kind of rubber laminated spring is comprehensive performance test bed, including hydraulic system, dynamic stress monitoring modular, door shape pedestal (1)
Crossbeam in the middle part of be equipped with the vertical actuator (2) that is connected with hydraulic system, vertical actuator (2) passes through vertical attachment device (7)
It is connected with carrying top plate (10), forms vertical excitation loading device；Lateral actuator (5) and the fixed composition of lateral counter-force seat (6)
Transversely excited loading device, it is characterised in that: the vertical facade on the inside of firm banking (16) L-shaped structure is equipped with and outer collar
(11) fixed plate (20) connected, the plane of firm banking (16) L-shaped structure are equipped with the chassis for presenting concave convex
(15), the internal diameter of outer collar (11) is evenly distributed with four notches, and the outer diameter for carrying top plate (10) is also evenly distributed with four notches, they are right two-by-two
I-shaped connected in star should be formed, the groove and I-shaped fastener (9) cooperate；Midfeather disk (13) passes through cross-connecting apparatus (8)
It is fixed with lateral actuator (5)；The periphery of firm banking (16) is equipped with the incubator (3) with air-conditioner external composition (4), fixed bottom
The plane of seat (16) is provided with the identical blind hole of boss diameter with chassis (15) outer diameter and below, is interference fitted two-by-two；It is fixed
Chassis (15), lower rubber laminated spring (14), midfeather disk (13), upper rubber laminated spring (12), carrying top plate (10) according to
It is secondary to stack from top to bottom.
2. a kind of rubber laminated spring as described in claim 1 is comprehensive performance test bed, it is characterised in that: the chassis (15) is flat
Concave diameter of blind hole on face is identical as the metal component outer diameter of rubber laminated spring.
3. a kind of rubber laminated spring as described in claim 1 is comprehensive performance test bed, it is characterised in that: the midfeather disk
(13) upper and lower two surfaces are equipped with boss identical with the metal component internal diameter of rubber laminated spring.
4. a kind of rubber laminated spring comprehensive performance test method, comprehensive performance test bed including the use of above-mentioned rubber laminated spring
With routine test means, A, lateral load test:
Before lateral load test, first pass through vertical actuator (2), vertical attachment device (7), carrying top plate (10) apply meet reality
Then the vertical precompression of border working condition requirement passes through lateral actuator (5), cross-connecting apparatus (8), midfeather disk (13) again
Apply the displacement excitation of different frequency under different amplitude perturbations, to complete lateral dynamic and static state performance test；Data are saved, at data
When reason analysis, single rubber laminated spring institute's stress value is that lateral actuator feedback force value is resulting divided by 2 as a result, lateral actuator
Feedback shift value does not change；
B, Plumb load is tested:
Before Plumb load test, the bolt connection between cross-connecting apparatus (8) and midfeather disk (13) is unclamped again by hanging down
Apply the vertical precompression for meeting requirement of actual working condition to actuator (2), vertical attachment device (7), carrying top plate (10), is reaching
On the basis of after to predetermined pressure, apply the displacement excitation of the different frequency under different amplitude perturbations by vertical actuator,
To complete vertical dynamic and static state performance test；Data are saved, when Data Management Analysis, single rubber laminated spring institute's stress value is vertical
Actuator feedback force value multiplies that 2 is resulting as a result, vertical actuator feedback shift value does not change；
C, the rubber laminated spring dynamic performance test in different fatigue period:
Before test, dynamic stress foil gauge (17) is affixed on to the rubber outer side of rubber laminated spring, first passes through vertical loading device (7)
Apply the vertical precompression for meeting requirement of actual working condition, then simultaneously by vertical, lateral loading device to rubber laminated spring
Apply the periodic excitation of certain force and specific frequency, carries out fatigue test；During fatigue test, it is started stress data
Collector acquires tired dynamic stress data；After completing target fatigue period, then Plumb load test and transverse direction are carried out respectively
Load test.
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| CN108519222A (en) * | 2018-02-28 | 2018-09-11 | 北京联合大学 | A kind of elastic element performance degradation testing equipment |
| CN108871776B (en) * | 2018-07-17 | 2021-06-04 | 西南交通大学 | High-speed train axle damage identification test bed based on vibration response |
| CN113418667B (en) * | 2021-06-01 | 2022-11-15 | 东风柳州汽车有限公司 | Auxiliary loading device |
| CN113686689B (en) * | 2021-08-16 | 2024-04-05 | 株洲时代新材料科技股份有限公司 | Device and method for carrying out combined loading test on rubber elastic element of railway vehicle |
| CN115290315A (en) * | 2022-10-08 | 2022-11-04 | 安徽中亚钢结构工程有限公司 | Device and method for testing mechanical properties of grid structure support of clinker silo |
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| JP4705884B2 (en) * | 2006-06-07 | 2011-06-22 | 公益財団法人鉄道総合技術研究所 | Air spring test equipment for railway vehicles |
| KR100919434B1 (en) * | 2007-10-12 | 2009-09-29 | 연세대학교 산학협력단 | fretting tester |
| CN103376201B (en) * | 2012-04-19 | 2016-05-25 | 中车青岛四方机车车辆股份有限公司 | Air spring failure procedure analogue experiment method and device |
| CN102928293B (en) * | 2012-10-26 | 2015-01-28 | 重庆交通大学 | Dynamic and static testing system and method for multifunctional wharf structure |
| CN103411748B (en) * | 2013-07-09 | 2016-02-03 | 西南交通大学 | A kind of dual air spring is comprehensive performance test bed |
| CN204924633U (en) * | 2015-08-10 | 2015-12-30 | 株洲时代新材料科技股份有限公司 | Air spring mechanical properties testing arrangement and experiment machine |
| CN105606357B (en) * | 2016-03-28 | 2019-02-05 | 中国飞机强度研究所 | A kind of aircraft test of static strength loading device |
| CN205620252U (en) * | 2016-04-28 | 2016-10-05 | 西南交通大学 | Railway vehicle rubber node test device |
| CN206223418U (en) * | 2016-11-25 | 2017-06-06 | 西南交通大学 | A kind of rubber laminated spring is comprehensive performance test bed |
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