CN209043585U - A kind of air spring fatigue test device - Google Patents
A kind of air spring fatigue test device Download PDFInfo
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- CN209043585U CN209043585U CN201822083779.4U CN201822083779U CN209043585U CN 209043585 U CN209043585 U CN 209043585U CN 201822083779 U CN201822083779 U CN 201822083779U CN 209043585 U CN209043585 U CN 209043585U
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- shaft
- air spring
- plate
- turntable
- cover plate
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- 238000009661 fatigue test Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000002929 anti-fatigue Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 206010044565 Tremor Diseases 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model devises a kind of air spring fatigue test device, comprising: bottom plate and the driving device being set on bottom plate, shaft, testboard and transmission mechanism, the transmission mechanism includes upper connecting rod, lower link and turntable, lower link lower end and turntable are eccentric hinged, and upper end is connect with upper connecting rod lower end by pin shaft；Upper connecting rod upper end passes through lower plate and connect with testboard；Center of turntable connects shaft, and sprocket wheel is provided in shaft, and driving device is connect by chain with sprocket wheel.The utility model devises the transmission mechanism being made of turntable and its eccentric hinged connecting rod, rotating shaft transmission is driven using driving device, the steady testing to the anti-fatigue performance of air spring can be achieved, test process specific torque method is stablized, and in test process, shaft drives two testboards in left and right, it ensure that the balance of test process, the occurrence of avoiding unbalance dynamic, testing time is recorded continuous, stable, accurately test, it can be achieved that air spring fatigue resistance by numeration sensor.
Description
Technical field
It is concretely a kind of air bullet the invention belongs to test the device of air spring fatigue life by reciprocating compression
Spring fatigue tester.
Background technique
With the development of economy and social progress, requirement of the people to transport facility comfort and reliability are more next
It is higher.For air spring because of its good mechanical characteristic and anti-vibration performance, oneself is widely used in the suspension of rail vehicle, quotient
With the suspension system and seat system of vehicle, also gradually increase in the application of the suspension system of passenger car especially sedan limousine.
Air spring is generally made of upper cover plate, rubbery human body, piston (or lower cover plate) and buffer stopper etc., wherein upper cover plate and work
Plug (or lower cover plate) plays a part of fixed support；Buffer stopper plays the function of resilient support under limiting condition or failure conditions
Energy；Rubbery human body is responsible for bearing the active force of compressed air, is specifically made of internal layer rubber, outer layer rubber and cord ply.Internal layer
Rubber is mainly used for sealing；Outer layer rubber is mainly used for heatproof, rub resistance and corrosion-resistant；Cord ply is mainly used for pressure-bearing, ginseng
Number is the key factor for influencing air spring mechanics performance.
According to the resemblance of air spring, bellows and membrane type two types can be divided into.It is mainly used under heavy truck,
Spring number of tracks is more, in the commercial vehicles such as car, can be divided into the types such as single, hyperbolic and three songs.Rigidity same volume is rigid
Spend smaller, air-tightness is poorer, and lateral stability is also poorer.Diaphragm type air spring is mainly used in passenger car, with bellows air
Spring is compared, and rigidity is smaller, and intrinsic frequency is lower, and lateral stability is more preferably.In addition, diaphragm type air spring can be by adjusting
Mechanical property needed for piston-shaped acquisition.But the operating pressure of diaphragm type air spring is higher, and the active force that air bag is born is larger,
And rub repeatedly between air bag and piston in motion process, thus its service life is relatively small.
It needs to carry out a series of inspection in the process of air spring, can dispatch from the factory after the assay was approved, all inspections
The inspection of fatigue to air spring is contained during testing.Currently, the inspection of fatigue to air spring mainly passes through calibrated wrench method
It is tested, in calibrated wrench method measurement process, structure is complicated for test device, estimates process and is also easy to produce unbalance dynamic, stablizes
Property is poor, influences test result.
Utility model content
For the solution for advanced optimizing the above problem, the utility model provides a kind of air spring testing fatigue dress
It sets, its technical solution is as follows:
A kind of air spring fatigue test device comprising: bottom plate and the driving device being set on bottom plate, shaft, survey
Test stand and transmission mechanism, in which:
The testboard includes the upper layer for loading air spring and the lower layer of loading transmission mechanism；Upper layer includes top plate, bottom
Plate and the column being set between upper plate, lower plate；Supporting frame is arranged in lower layer, and the spindle housing is set to support frame as described above body
On；
Upper cover plate and lower cover plate are respectively arranged on upper plate, lower plate, for loading sky between upper cover plate and lower cover plate
Gas spring；The upper cover plate is fixedly connected with top plate, and lower cover plate is fixedly connected with transmission mechanism；
The transmission mechanism includes upper connecting rod, lower link and turntable, and lower link lower end and turntable are eccentric hinged, upper end with it is upper
Connecting rod lower end is connected by pin shaft；
Upper connecting rod upper end passes through lower plate and is fixedly connected with lower cover plate；
Center of turntable connects shaft, and sprocket wheel is provided in shaft, and driving device is connect by chain with sprocket wheel.
Preferably, the articulated position of the lower link lower end and turntable is located at disk peripheral.
Preferably, it is connected between the shaft and the lower layer support plate of testboard by bearing.
Preferably, it is provided with sensor for countering on the upper cover plate of the testboard, is used for recording compressed testing time.
Preferably, lower link upper end is provided with the link slot of both ends open, and opening direction is along shaft circumference direction, upper connecting rod
It is inserted into the link slot, and fixed by pin shaft.
Preferably, there are two the testboard, transmission mechanism are arranged, the two sides of shaft is respectively arranged at, are driven by shaft
Synchronism detection.
The beneficial effects of the utility model are:
The utility model devises the transmission mechanism being made of turntable and its eccentric hinged connecting rod, using driving device band
Dynamic rotating shaft transmission, it can be achieved that the anti-fatigue performance to air spring steady testing, test process specific torque method is stablized, and surveys
During examination, shaft drives two testboards in left and right, ensure that the balance of test process, avoids the hair of unbalance dynamic situation
Raw, testing time is recorded continuous, stable, accurately test, it can be achieved that air spring fatigue resistance by numeration sensor.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of air spring fatigue test device of the utility model；
Fig. 2 is the testboard and transmission mechanism schematic diagram of a kind of air spring fatigue test device；
Fig. 3 is a kind of drive mechanism schematic diagram of air spring fatigue test device of the utility model.
In attached drawing:
1: driving device；2: bottom plate；3: shaft；4: testboard；5: turntable；6: sprocket wheel；7: upper connecting rod；8: lower link；9:
Pin shaft.
Specific embodiment
With reference to the accompanying drawing and the embodiments of the present invention fill a kind of air spring testing fatigue of the utility model
It sets and is described in further detail.In order to make those skilled in the art more fully understand the technical solution of the utility model, tie below
The attached drawing for closing the utility model, carries out clear, complete description to the technical solution of the utility model, based on the reality in the application
Apply example, those of ordinary skill in the art's other similar embodiments obtained without making creative work, all
The range of the application protection should belong to.
- Fig. 3 referring to Fig.1, a kind of air spring fatigue test device comprising: bottom plate 2 and the drive being set on bottom plate 2
Dynamic device 1, shaft 3, testboard 4 and transmission mechanism, in which:
The testboard 4 includes the upper layer for loading air spring and the lower layer of loading transmission mechanism；Upper layer includes top plate, bottom
Plate and the column being set between upper plate, lower plate；Supporting frame is arranged in lower layer, and the shaft 3 is set up in support frame as described above
On body；
Upper cover plate and lower cover plate are respectively arranged on upper plate, lower plate, for loading sky between upper cover plate and lower cover plate
Gas spring；The upper cover plate is fixedly connected with top plate, and lower cover plate is fixedly connected with transmission mechanism；
The transmission mechanism includes upper connecting rod 7, lower link 8 and turntable 5, and 8 lower end of lower link and turntable 5 are eccentric hinged, institute
It states and is connected between shaft 3 and the lower layer support plate of testboard by bearing.In one preferred scheme, 8 lower end of lower link
It is located at 5 circumference of turntable with the articulated position of turntable 5.5 center of turntable connects shaft 3, is provided with sprocket wheel 6 in shaft 3, drives
Device 1 is connect by chain with sprocket wheel 6.
Driving device 1 is to be selected as threephase asynchronous, power 15kw, revolving speed 1440r/min in this example.It is electronic
Machine driving belt pulley is rotated, and power is input in roller gear reduction gearbox, and the transmission ratio of reduction gearbox is 1:40, reduction gearbox
The power of acquisition is transferred to shaft 3 by sprocket wheel 6.8 upper end of lower link is connect with 7 lower end of upper connecting rod by pin shaft 9；Lower link 8
Upper end is provided with the link slot of both ends open, and opening direction is inserted into the link slot along 3 circumferencial direction of shaft, upper connecting rod 7, and
It is fixed by pin shaft 9.Shaft 3 drives 8 vertical tremor of lower link by turntable 5.7 upper end of upper connecting rod passes through lower plate and lower cover plate is solid
Fixed connection drives lower cover plate vibration, carries out the antifatigue test of air spring.Preferably, it is arranged on the upper cover plate of the testboard 4
There is sensor for countering, is used for recording compressed testing time.
Embodiment 2
In this example, there are two the testboards 4, transmission mechanism setting, the two sides of shaft 3 is respectively arranged at, by shaft 3
Drive synchronism detection.Shaft drives two testboards in left and right, ensure that the balance of test process, avoids unbalance dynamic situation
Generation, it can be achieved that air spring fatigue resistance it is continuous, stables, accurately test.
The utility model is described in detail above, the above, the only better embodiment of the utility model
, it is when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to
In the utility model covering scope.
Claims (6)
1. a kind of air spring fatigue test device, it is characterised in that: comprising: bottom plate (2) and the drive being set on bottom plate (2)
Dynamic device (1), shaft (3), testboard (4) and transmission mechanism, in which:
The testboard (4) includes the upper layer for loading air spring and the lower layer of loading transmission mechanism；Upper layer includes top plate and bottom plate
And it is set to the column between upper plate, lower plate；Supporting frame is arranged in lower layer, and the shaft (3) is set up in support frame as described above
On body；
Upper cover plate and lower cover plate are respectively arranged on upper plate, lower plate, for loading air bullet between upper cover plate and lower cover plate
Spring；The upper cover plate is fixedly connected with top plate, and lower cover plate is fixedly connected with transmission mechanism；
The transmission mechanism includes upper connecting rod (7), lower link (8) and turntable (5), lower link (8) lower end and turntable (5) Eccentric-hinge
It connects, upper end is connect with upper connecting rod (7) lower end by pin shaft (9)；
Upper connecting rod (7) upper end passes through lower plate and is fixedly connected with lower cover plate；
Turntable (5) center connects shaft (3), is provided with sprocket wheel (6) in shaft (3), and driving device (1) passes through chain and sprocket wheel
(6) it connects.
2. a kind of air spring fatigue test device according to claim 1, it is characterised in that: under the lower link (8)
The articulated position at end and turntable (5) is located at turntable (5) circumference.
3. a kind of air spring fatigue test device according to claim 1, it is characterised in that: the shaft (3) and survey
It is connected between the lower layer support plate of test stand by bearing.
4. a kind of air spring fatigue test device according to claim 1, it is characterised in that: the testboard (4)
It is provided with sensor for countering on upper cover plate, is used for recording compressed testing time.
5. a kind of air spring fatigue test device according to claim 1, it is characterised in that: lower link (8) upper end is set
It is equipped with the link slot of both ends open, opening direction is inserted into the link slot along shaft (3) circumferencial direction, upper connecting rod (7), and by
Pin shaft (9) is fixed.
6. a kind of air spring fatigue test device according to claim 1, it is characterised in that: the testboard (4) passes
There are two the settings of motivation structure, is respectively arranged at the two sides of shaft (3), drives synchronism detection by shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083779.4U CN209043585U (en) | 2018-12-12 | 2018-12-12 | A kind of air spring fatigue test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822083779.4U CN209043585U (en) | 2018-12-12 | 2018-12-12 | A kind of air spring fatigue test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043585U true CN209043585U (en) | 2019-06-28 |
Family
ID=67044254
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822083779.4U Expired - Fee Related CN209043585U (en) | 2018-12-12 | 2018-12-12 | A kind of air spring fatigue test device |
Country Status (1)
| Country | Link |
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| CN (1) | CN209043585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779708A (en) * | 2019-12-07 | 2020-02-11 | 佛山市鼎科科技发展有限公司 | Durability test method for air spring |
-
2018
- 2018-12-12 CN CN201822083779.4U patent/CN209043585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110779708A (en) * | 2019-12-07 | 2020-02-11 | 佛山市鼎科科技发展有限公司 | Durability test method for air spring |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20211212 |