CN207798589U - A kind of railway elastic bar fatigue test auxiliary device - Google Patents
A kind of railway elastic bar fatigue test auxiliary device Download PDFInfo
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- CN207798589U CN207798589U CN201721846291.1U CN201721846291U CN207798589U CN 207798589 U CN207798589 U CN 207798589U CN 201721846291 U CN201721846291 U CN 201721846291U CN 207798589 U CN207798589 U CN 207798589U
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- spring
- protective cover
- acra
- pedestal
- fatigue test
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Abstract
The utility model discloses a kind of railway elastic bar fatigue test auxiliary devices,It is related to railway casting technical field,To realize the purpose that can carry out fatigue test and corrosion test to spring simultaneously,It includes pedestal,Protective cover,Pressure experimental device,Watch window and pressure head,At least provided with two fixed frames at protective cover inner wall on pedestal,Fixed top of support is detachably equipped with bolt,Fixed frame top lower wall is equipped with groove,Mould is detachably equipped in fixed frame groove,At least provided with two support columns on pedestal,Support column is equipped with spring,Spring includes preceding acra and rear acra,Acra is contacted with mould after spring,Acra is contacted with pressure head before spring,Protective cover is externally provided with salt air corrosion case,Salt air corrosion case is towards being fixed with salt atomizing nozzle in protective cover,Acra after salt atomizing nozzle face spring,The utility model has the advantages that when carrying out spring testing experiment testing fatigue and corrosion test can be carried out at the same time.
Description
Technical field
The utility model is related to olive oil filter plant technical fields, are tried more particularly to a kind of railway elastic bar fatigue
Test auxiliary device.
Background technology
Spring is the spring secures rail to sleeper being fixed on rail on sleeper or non-fragment orbit, spring by bending and torsional deformation,
Generate buckle press effect in orbit, being reliably connected between guarantee rail, keeps the entirety of track as far as possible long-term effectively
Property, prevent rail vertically and horizontally moving relative to sleeper, it is ensured that gauge is normal, to ensure rail vehicle driving safety.In addition
Contact category rigid contact due to train wheel with rail, inevitable generate is shaken, and the elastic construction that spring is special
Making it also has the impact energy for absorbing and being generated when vehicle crosses, and has the function that damping.Spring is the stress in alternation repeatedly
Lower work, it bear bending, torsion, fatigue and corrosion etc. a variety of effects, vehicle by when, still suffer from high instantaneous punching
Load is hit, so the performance requirement to spring is very stringent.
With the increase of railway transporting locomotive vehicle axle weight and the raising of train running speed and urban track traffic,
The development of subway, spring as track structure a key link also in continuous development, importance is also increasingly
Various countries are of interest.China is that a width original is vast, and weather, traffic condition, the prodigious country of regional disparity need various dissimilarities
The spring that can be required, meets the requirement of different track difference rail types.Such as on conventional line, need buckle press big, elasticity is good
Spring meets heavily loaded, high-speed line needs；And in overpass track gapless track, to reduce the mutual of rail and bridge
Active force, it is desirable that fastener resistance is smaller, and ensures that spring has enough elasticity, that is, ensures that spring has sufficiently low stiffness, to protect
Demonstrate,prove train by when the buckle press caused by rail underlay layer compression lose very little, fastener do not loosen.
It can be seen that though spring is a small work business device, it is an important part on track, because of its demand
Amount is big, and about 7000 every kilometer, reliability is directly related to the safety of driving.
With the fast development of railway cause, the requirement to the type, quantity of spring is more and more, and the requirement to quality is got over
Come stringenter.It is related to railway security, comfort, therefore, very important one in its type inspection of spring fatigue test
A inspection project.According to current standard TB/T2329-2002, spring fatigue test is that spring is fixed in specific mould,
Apply assembling displacement in its toe-end and apply dynamic displacement on this basis, observation spring is under fixed loading frequency by certain
Whether it is broken or cracks after test number (TN).Since spring fatigue test frequency is high, the period is long, load is big, to spring
The stability of fatigue tester, test efficiency have higher requirement.
Since spring can be reduced the fatigue behaviour of spring during military service by environmental corrosion, according to standard GB/
T10125-2012 will carry out neutral salt spray corrosion test to judge the corrosion resistance of spring to the spring after preservative treatment, but
Corrosion test is independently carried out with fatigue test so far, has both wasted manpower, financial resources, dramatically extends experiment week
Phase, and fatigue behaviour of the spring under etching condition cannot be accurately reflected.
Accordingly, it is desirable to provide a kind of fatigue test is carried out at the same time with corrosion resistance test, economizes on resources and accurately reflect corrosion
Under the conditions of spring fatigue behaviour experimental rig.
Utility model content
The purpose of this utility model is that：In order to solve that when carrying out spring testing experiment corrosion test can not be carried out at the same time
And the problem of fatigue test, the utility model provide a kind of railway elastic bar fatigue test auxiliary device.
The utility model specifically uses following technical scheme to achieve the goals above：
A kind of railway elastic bar fatigue test auxiliary device, including pedestal, protective cover, pressure experimental device, watch window and
Pressure head is detachably equipped with spiral shell on the pedestal at protective cover inner wall at least provided with two fixed frames, the fixed top of support
Bolt, fixed frame top lower wall are equipped with groove, mould are detachably equipped in the fixed frame groove, is at least set on the pedestal
There are two support column, the support column is equipped with spring, and the spring includes preceding acra and rear acra, after the spring acra with
Mould contacts, and acra is contacted with pressure head before the spring, and the protective cover is externally provided with salt air corrosion case, salt air corrosion case court
It is fixed with salt atomizing nozzle into protective cover, acra after the salt atomizing nozzle face spring.When using the utility model, first by tire
Tool is secured by bolts in the groove of fixed frame, then spring is placed on support column, the rear acra of spring is placed in corresponding
In mould, the preceding acra of spring is placed in below pressure head and is contacted with pressure head, then starts pressure experimental device, pressure testing dress
It sets band dynamic head and pressure survey repeatedly is carried out to spring, while the salt fog in salt air corrosion case is sprayed by salt atomizing nozzle in protective cover,
Corrosive environment is created for spring, synchronizes and corrosion test is carried out to spring, staff can pass through watch window when testing progress
Whether spring is corroded or cracked from outside protective cover, and the utility model is provided with more than two fixed frames, therefore
More than two springs can be tested simultaneously, mould is dismountable, when needing to test different springs, only
It needs to change mould corresponding with spring, so the utility model can test different types of spring.
Further, for the liquid pooled by salt fog for recycling with being accumulated in protective cover convenient for cleaning, the pedestal
It is equipped with liquid tank, the liquid tank is equipped with liquid taking port along the lateral wall that slot direction corresponds to protective cover wherein side, described to take
Liquid mouth is retractable, when needing withdrawal liquid, can open liquid taking port, close liquid taking port when being tested.
Further, concentration of saline fog tester is equipped in the protective cover, staff can be according to concentration of saline fog tester
The concentration of saline fog measured judges whether test environment is suitable, facilitates the salt mist environment adjusted when testing, to reach the best of test
Effect.
Further, the protective cover is removably connect with pedestal, convenient for opening protective cover, replaces spring and fine motion mill
The mould destroyed is damaged, the salt fog of deposition can also be cleared up.
Further, the protective cover is equipped with sealing element with pedestal joint, ensures the leakproofness of entire experimental rig, protects
It demonstrate,proves salt fog non-spill and concentration of saline fog maintains certain level.
Further, in order to carry out making spring position fix when pressure is surveyed to spring, spring displacement, the spring shape are prevented
Shape is corresponding with mould shape, ensure that entire experimental rig can test different types spring.
The beneficial effects of the utility model are as follows：The utility model can carry out testing fatigue to spring simultaneously and corrosion is surveyed
Examination；The detachable setting of mould meets the test of different model spring；At least provided with more than two fixed frames, ensure that
The utility model can disposably test more than two springs；Staff can be surveyed by the concentration of saline fog in protective cover
Examination instrument notes the concentration of saline fog in device, and rationally controls concentration of saline fog, provides suitable environment for corrosion test, while can pass through
Watch window observes test process.
Description of the drawings
Fig. 1 is a kind of positive structure schematic of railway elastic bar fatigue test auxiliary device.
Fig. 2 is a kind of vertical view face structural schematic diagram of railway elastic bar fatigue test auxiliary device.
Reference numeral：1- protective covers, 2- pressure experimental devices, 3- watch windows, 4- salt air corrosion casees, 5- salt atomizing nozzles,
6- bolts, 7- pedestals, 8- liquid tanks, 9- pressure heads, 10- moulds, 11- fixed frames, 12- springs, 13- support columns, 14- liquid taking ports.
Specific implementation mode
In order to which those skilled in the art are better understood from the utility model, below in conjunction with the accompanying drawings with following embodiment to this
Utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 to 2, the present embodiment provides a kind of railway elastic bar fatigue test auxiliary devices, including pedestal 7, protection
1, pressure experimental device 2, watch window 3 and pressure head 9 are covered, is consolidated at least provided with two at 1 inner wall of protective cover on the pedestal 7
Determine frame 11,11 top surface of the fixed frame is detachably equipped with bolt 6, and 11 top lower wall of the fixed frame is equipped with groove, the fixation
It is detachably equipped with mould 10 in 11 groove of frame, is equipped at least provided with two support columns 13, the support column 13 on the pedestal 7
Spring 12, the spring 12 include preceding acra and rear acra, and acra is contacted with mould 10 after the spring 12, before the spring 12
Acra is contacted with pressure head 9, and the protective cover 1 is externally provided with salt air corrosion case 4, and the salt air corrosion case 4 is towards fixed in protective cover 1
Equipped with salt atomizing nozzle 5, acra after 5 face spring 12 of the salt atomizing nozzle.When using the utility model, mould 10 is first passed through into spiral shell
Bolt 6 is fixed on the groove of fixed frame 11, then spring 12 is placed on support column 13, the rear acra of spring 12 is placed in corresponding
In mould 10, the preceding acra of spring 12 is placed in 9 lower section of pressure head and is contacted with pressure head 9, pressure experimental device 2, pressure are then started
Power experimental rig 2 carries out pressure repeatedly to spring 12 with dynamic head 9 and surveys, while the salt fog in salt air corrosion case 4 passes through salt atomizing nozzle 5
It sprays into protective cover 1, creates corrosive environment for spring 12, synchronize and corrosion test is carried out to spring 12, the work when experiment carries out
Personnel can by watch window 3 outside protective cover 1 from spring 12 whether be corroded or cracked, the utility model is provided with
More than two fixed frames 11, therefore more than two springs 12 can be tested simultaneously, mould 10 is dismountable, when need
When testing different springs 12, it is only necessary to mould 10 corresponding with spring 12 is changed, so this practicality is new
Type can test different types of spring 12.
Embodiment 2
As depicted in figs. 1 and 2, the present embodiment provides being further optimized on the basis of embodiment 1, specifically in order to
The liquid pooled by salt fog accumulated in recycling and protective cover convenient for cleaning 1, the pedestal 7 are equipped with liquid tank 8, the liquid
Body slot 8 is equipped with liquid taking port 14 along the lateral wall that slot direction corresponds to protective cover wherein side, and the liquid taking port 14 is retractable, when need
When wanting withdrawal liquid, liquid taking port 14 can be opened, closes liquid taking port 14 when being tested.
Embodiment 3
As depicted in figs. 1 and 2, specifically described the present embodiment provides being further optimized on the basis of embodiment 1
Concentration of saline fog tester is equipped in protective cover 1, staff can judge to survey according to the concentration of saline fog that concentration of saline fog tester is measured
Whether test ring border is suitable, facilitates the salt mist environment adjusted when testing, to reach the optimum efficiency of test.
Embodiment 4
As depicted in figs. 1 and 2, specifically described the present embodiment provides being further optimized on the basis of embodiment 1
Protective cover 1 is removably connect with pedestal 7, convenient for opening protective cover 1, replaces spring 12 and the mould 10 of fretting wear destruction,
The salt fog of deposition can also be cleared up.The protective cover 1 is equipped with sealing element with 7 joint of pedestal, ensures the close of entire experimental rig
Feng Xing, ensures salt fog non-spill and concentration of saline fog maintains certain level.
Embodiment 5
As depicted in figs. 1 and 2, the present embodiment provides being further optimized on the basis of embodiment 1, specifically in order to
Spring 12 is being carried out so that 12 position of spring is fixed when pressure is surveyed, is preventing 12 displacement of spring, 12 shape of the spring and 10 shape of mould
Shape correspond to, ensure that entire experimental rig can test different types spring 12.
The above, the only preferred embodiment of the utility model, are not intended to limit the utility model, the utility model
Scope of patent protection be subject to claims, it is equivalent made by every specification and accompanying drawing content with the utility model
Structure change similarly should be included in the scope of protection of the utility model.
Claims (7)
1. a kind of railway elastic bar fatigue test auxiliary device, including pedestal (7), protective cover (1), pressure experimental device (2), observation
Window (3) and pressure head (9), it is characterised in that：At least provided with two fixations at protective cover (1) inner wall on the pedestal (7)
Frame (11), fixed frame (11) top surface are detachably equipped with bolt (6), and fixed frame (11) top lower wall is equipped with groove, institute
It states and is detachably equipped with mould (10) in fixed frame (11) groove, it is described at least provided with two support columns (13) on the pedestal (7)
Support column (13) is equipped with spring (12), and the spring (12) includes preceding acra and rear acra, the spring (12) afterwards acra with
Mould (10) contacts, and acra is contacted with pressure head (9) before the spring (12), and the protective cover (1) is externally provided with salt air corrosion case
(4), the salt air corrosion case (4) is fixed with salt atomizing nozzle (5), salt atomizing nozzle (5) the face bullet towards protective cover (1) is interior
Item (12) acra afterwards.
2. a kind of railway elastic bar fatigue test auxiliary device according to claim 1, it is characterised in that：On the pedestal (7)
Equipped with liquid tank (8).
3. a kind of railway elastic bar fatigue test auxiliary device according to claim 2, it is characterised in that：The liquid tank (8)
It is corresponded to along slot direction and is equipped with liquid taking port (14) at protective cover (1) the wherein lateral wall of side, the liquid taking port (14) is retractable.
4. a kind of railway elastic bar fatigue test auxiliary device according to claim 1, it is characterised in that：The protective cover (1)
It is interior to be equipped with concentration of saline fog tester.
5. a kind of railway elastic bar fatigue test auxiliary device according to claim 1, it is characterised in that：The protective cover (1)
Removably it is connect with pedestal (7).
6. a kind of railway elastic bar fatigue test auxiliary device according to claim 1, it is characterised in that：Spring (12) shape
Shape is corresponding with mould (10) shape.
7. a kind of railway elastic bar fatigue test auxiliary device according to claim 1, it is characterised in that：The protective cover (1)
It is equipped with sealing element with pedestal (7) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721846291.1U CN207798589U (en) | 2017-12-26 | 2017-12-26 | A kind of railway elastic bar fatigue test auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721846291.1U CN207798589U (en) | 2017-12-26 | 2017-12-26 | A kind of railway elastic bar fatigue test auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207798589U true CN207798589U (en) | 2018-08-31 |
Family
ID=63278642
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721846291.1U Active CN207798589U (en) | 2017-12-26 | 2017-12-26 | A kind of railway elastic bar fatigue test auxiliary device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708859A (en) * | 2018-12-16 | 2019-05-03 | 安徽省巢湖铸造厂有限责任公司 | Adjustable rail clip fatigue experimental device |
| CN110018054A (en) * | 2019-03-27 | 2019-07-16 | 北京铁科首钢轨道技术股份有限公司 | A kind of multistation spring fatigue tooling |
| CN110320124A (en) * | 2019-08-16 | 2019-10-11 | 贵州大学 | A kind of reciprocating corrosion fretting apparatus |
| CN110686886A (en) * | 2019-11-06 | 2020-01-14 | 徐州瑞益晟机械有限公司 | Detection device for researching novel structure of tower crane standard knot |
| CN110987678A (en) * | 2019-12-17 | 2020-04-10 | 西南交通大学 | Fastener system fatigue test method |
-
2017
- 2017-12-26 CN CN201721846291.1U patent/CN207798589U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708859A (en) * | 2018-12-16 | 2019-05-03 | 安徽省巢湖铸造厂有限责任公司 | Adjustable rail clip fatigue experimental device |
| CN110018054A (en) * | 2019-03-27 | 2019-07-16 | 北京铁科首钢轨道技术股份有限公司 | A kind of multistation spring fatigue tooling |
| CN110018054B (en) * | 2019-03-27 | 2023-12-26 | 北京铁科首钢轨道技术股份有限公司 | Multi-station spring bar fatigue tool |
| CN110320124A (en) * | 2019-08-16 | 2019-10-11 | 贵州大学 | A kind of reciprocating corrosion fretting apparatus |
| CN110686886A (en) * | 2019-11-06 | 2020-01-14 | 徐州瑞益晟机械有限公司 | Detection device for researching novel structure of tower crane standard knot |
| CN110987678A (en) * | 2019-12-17 | 2020-04-10 | 西南交通大学 | Fastener system fatigue test method |
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