CN208366809U - A kind of salt air corrosion device on rolling contact fatigue-testing machine - Google Patents
A kind of salt air corrosion device on rolling contact fatigue-testing machine Download PDFInfo
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- CN208366809U CN208366809U CN201820960472.5U CN201820960472U CN208366809U CN 208366809 U CN208366809 U CN 208366809U CN 201820960472 U CN201820960472 U CN 201820960472U CN 208366809 U CN208366809 U CN 208366809U
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Abstract
The utility model relates to experimental rig field more particularly to a kind of salt air corrosion devices on rolling contact fatigue-testing machine.It includes salt fog feedway and corrosion case, the salt fog feedway includes liquid reserve tank, liquid storage chamber is formed inside liquid reserve tank, the upper end of liquid reserve tank is equipped with the liquid injection port being connected to liquid storage chamber, the bottom of liquid reserve tank is equipped with heater strip, and liquid reserve tank is equipped with the bellows being connected to liquid storage chamber, and the inlet of bellows is equipped with pressure fan, the corrosion chamber for accommodating sample is formed inside corrosion case, the outlet of bellows is connected to corrosion chamber.The utility model creates a kind of salt air corrosion environment in corrosion case using salt fog feedway, and lubricating oil is provided to sample, it is capable of the actual working environment of preferable simulation offshore wind generating, can relatively accurately simulates the fatigue failure behavior of bearing and gear under the conditions of salt air corrosion.
Description
Technical field
The utility model relates to experimental rig field more particularly to a kind of salt fogs on rolling contact fatigue-testing machine
Corrosion device.
Background technique
Rolling contact fatigue-testing machine is mainly used for simulation bearing, rim, roll etc. and is in rolling contact feature contacts fatigability
Energy and service life.Engineering in practice, has some element parts to work under salt mist environment, such as the bearing in offshore wind generating
And gear etc..Currently, being widely used with offshore wind generating, blower middle (center) bearing and gear life influence generator
Working efficiency is directly related to economic benefit.Therefore, the research of the fatigue failure behavior of salt mist environment lower bearing is compeled in eyebrow
Eyelash.
It is well known that the corrosive environment that bearing is subject in military service is extremely complex, it is frequently subjected to acid rain and maritime wet
Air, the comprehensive function of the two accelerates the fatigue failure of bearing and gear.Study rolling of the bearing steel in corrosive environment
Dynamic contact fatigue life and failure behaviour, are steel-making enterprise and the problem that blower manufacturing enterprise must face.Traditional rolling connects
Touching fatigue tester is the fatigue life of research material and failure behaviour under Oil Lubrication Condition, it is difficult to evaluate salt air corrosion factor
Influence to failure behaviour, and bearing and gear are inevitably among salt air corrosion environment, traditional is in rolling contact
The analog result of fatigue tester is not satisfactory.
206876549 U of Chinese patent Authorization Notice No. CN, authorized announcement date 2018.01.12, a kind of entitled " salt
Fog chamber ", discloses a kind of multi-functional salt fog cabinet, but this salt fog cabinet cannot with rolling contact fatigue-testing machine is mating makes
With, it is difficult to meet the needs of test.
Utility model content
The purpose of this utility model is to overcome what is do not matched in the prior art with rolling contact fatigue-testing machine
Salt air corrosion device, and then it is difficult to the deficiency of the actual working environment of accurate simulation offshore wind generating, providing one kind can
Simulate offshore wind generating actual working environment, can relatively accurately test bearing and gear in salt air corrosion condition
Under fatigue failure behavior for the salt air corrosion device on rolling contact fatigue-testing machine.
To achieve the goals above, the utility model uses following technical scheme:
A kind of salt air corrosion device on rolling contact fatigue-testing machine, including
Salt fog feedway and corrosion case, the salt fog feedway include liquid reserve tank, form liquid storage chamber inside liquid reserve tank,
The upper end of liquid reserve tank is equipped with the liquid injection port being connected to liquid storage chamber, and the bottom of liquid reserve tank is equipped with heater strip；
Liquid reserve tank is equipped with the bellows being connected to liquid storage chamber, and the inlet of bellows is equipped with pressure fan, corrodes inside case
The corrosion chamber for accommodating sample is formed, the outlet of bellows is connected to corrosion chamber.Corrosion is injected into liquid storage chamber from liquid injection port
Corrosive liquid is heated and generates salt fog by liquid, heater strip, by pressure fan salt fog to be transported in corrosion chamber from orientation in bellows,
Salt fog corrosive environment is formed in corrosion chamber.
Preferably, further including the oil feeding device for lubricating sample, the oil feeding device includes storage
Fuel tank, the petroleum pipeline being connected to fuel reserve tank inside and the pressure pump being located on petroleum pipeline, the outlet of petroleum pipeline are located in corrosion chamber.
Lubricating oil is used to reduce frictional dissipation between sample, bearing and gear etc. be mostly also required in actual operation lubricating oil into
Row lubrication, in this way closer to the actual working environment of sample.
Preferably, the fuel reserve tank is equipped with oil return apparatus, oil return apparatus includes oil return pipe, is located at returning on oil return pipe
Oil pump and the accumulator tank for being located at corrosion bottom portion, the entrance of oil return pipe are connected to the inside of accumulator tank, the outlet and storage of oil return pipe
The inside of fuel tank is connected to, and the exit of oil return pipe is equipped with strainer.Accumulator tank collects the mixed liquor of corrosive liquid and lubricating oil, scavenge oil pump
Mixed liquor is sucked out from accumulator tank, strainer separates the salt marsh in lubricating oil, to realize recycling for lubricating oil.
Preferably, on the side wall of the liquid reserve tank and being equipped with water-level gauge on the side wall of fuel reserve tank.Corrode for monitoring
The reserves of liquid or lubricating oil remind testing crew to add in time.
Preferably, the outlet of the bellows is equipped with nozzle.Nozzle is conducive to form better salt fog effect.
Preferably, the bellows is equipped with check-valves, check-valves is located at the inlet of bellows.Salt fog is improved in corruption
Lose the formation efficiency in chamber, it is ensured that salt fog is only flowed to a direction, anti-backflow.
Preferably, the bellows is equipped with flow control valve, flow control valve is located at the exit of bellows.For
Adjust salt fog corrosion chamber in formation speed, so as to obtain with actual condition more close to salt air corrosion environment.
The beneficial effects of the utility model are: (1) creates a kind of salt air corrosion in corrosion case using salt fog feedway
Environment, oil feeding device provide lubricating oil to sample, are capable of the real work ring of preferable simulation offshore wind generating
Border can relatively accurately simulate the fatigue failure behavior of bearing and gear under the conditions of salt air corrosion；(2) scavenge oil pump recycles
Mixed liquor, strainer filtering fall salt marsh, and lubricating oil, which enters fuel reserve tank, to be recycled, and economize on resources；(3) salt fog feedway knot
Structure is simple, easy to implement, and can reach ideal test effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: corrosion case 1, liquid reserve tank 2, liquid injection port 21, heater strip 22, bellows 3, pressure fan 31, nozzle 32, check-valves
33, flow control valve 34, oil feeding device 4, fuel reserve tank 41, petroleum pipeline 42, pressure pump 43, water-level gauge 44, oil return apparatus
5, oil return pipe 51, scavenge oil pump 52, accumulator tank 53, strainer 54.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
As shown in fig. 1, a kind of salt air corrosion device on rolling contact fatigue-testing machine, including
Salt fog feedway and corrosion case 1, the salt fog feedway include liquid reserve tank 2, form liquid storage inside liquid reserve tank
Chamber, the upper end of liquid reserve tank are equipped with the liquid injection port 21 being connected to liquid storage chamber, and the bottom of liquid reserve tank is equipped with heater strip 22；
Liquid reserve tank is equipped with the bellows 3 being connected to liquid storage chamber, and the inlet of bellows is equipped with pressure fan 31, corrodes in case
Portion forms the corrosion chamber for accommodating sample, and the outlet of bellows is connected to corrosion chamber.The outlet of bellows is equipped with nozzle 32,
Nozzle is conducive to form better salt fog effect.Bellows is equipped with check-valves 33, and check-valves is located at the inlet of bellows, improves
Formation efficiency of the salt fog in corrosion chamber, it is ensured that salt fog is only flowed to a direction, anti-backflow.Bellows is equipped with flow tune
Valve 34 is saved, flow control valve is located at the exit of bellows, for adjusting formation speed of the salt fog in corrosion chamber, to obtain
With actual condition more close to salt air corrosion environment.
Further include the oil feeding device 4 for lubricating sample, the oil feeding device include fuel reserve tank 41, with
The petroleum pipeline 42 being connected to inside fuel reserve tank and the pressure pump 43 being located on petroleum pipeline, the outlet of petroleum pipeline are located in corrosion chamber, profit
Lubricating oil is used to reduce the frictional dissipation between sample, and bearing and gear etc. are mostly also required to lubricating oil progress in actual operation
Lubrication, in this way closer to the actual working environment of sample.On the side wall of liquid reserve tank and water-level gauge is equipped on the side wall of fuel reserve tank
44, for monitoring the reserves of corrosive liquid or lubricating oil, testing crew is reminded to add in time.
Fuel reserve tank is equipped with oil return apparatus 5, and oil return apparatus includes oil return pipe 51, the scavenge oil pump being located on oil return pipe 52 and sets
Accumulator tank 53 in corrosion bottom portion, the entrance of oil return pipe is connected to the inside of accumulator tank, the outlet of oil return pipe and fuel reserve tank
Inside connection, the exit of oil return pipe are equipped with strainer 54, and accumulator tank collects the mixed liquor of corrosive liquid and lubricating oil, and scavenge oil pump will mix
It closes liquid to be sucked out from accumulator tank, strainer separates the salt marsh in lubricating oil, to realize recycling for lubricating oil.
When the utility model is implemented, corrosive liquid is injected into liquid reserve tank from liquid injection port, corrosive liquid is thermally formed by heater strip
Salt fog from being transported in corrosion chamber in bellows, is formed salt fog corrosive environment by salt fog, pressure fan in corrosion chamber, and pressure pump will
Lubricating oil in fuel reserve tank is extracted into corrosion chamber and is lubricated to sample, and accumulator tank collects the mixed liquor of corrosive liquid and lubricating oil,
Scavenge oil pump extracts mixed liquor out, and strainer filtering falls the abrasive dust of salt marsh and sample, forms clean lubricating oil, recycles again.
The beneficial effects of the utility model are: creating a kind of salt air corrosion ring in corrosion case using salt fog feedway
Border, oil feeding device provide lubricating oil to sample, are capable of the actual working environment of preferable simulation offshore wind generating,
The fatigue failure behavior of bearing and gear under the conditions of salt air corrosion can relatively accurately be simulated；Scavenge oil pump recycling mixing
Liquid, strainer filtering fall salt marsh, and lubricating oil, which enters fuel reserve tank, to be recycled, and economize on resources；Salt fog feedway structure is simple,
It is easy to implement, and ideal test effect can be reached.
Claims (7)
1. a kind of salt air corrosion device on rolling contact fatigue-testing machine, characterized in that including
Salt fog feedway and corrosion case, the salt fog feedway include liquid reserve tank, form liquid storage chamber, liquid storage inside liquid reserve tank
The upper end of case is equipped with the liquid injection port being connected to liquid storage chamber, and the bottom of liquid reserve tank is equipped with heater strip；
The liquid reserve tank is equipped with the bellows being connected to liquid storage chamber, and the inlet of bellows is equipped with pressure fan, corrodes inside case
The corrosion chamber for accommodating sample is formed, the outlet of bellows is connected to corrosion chamber.
2. a kind of salt air corrosion device on rolling contact fatigue-testing machine according to claim 1, characterized in that
It further include the oil feeding device for lubricating sample, the oil feeding device includes inside fuel reserve tank and fuel reserve tank
The petroleum pipeline of connection and the pressure pump being located on petroleum pipeline, the outlet of petroleum pipeline are located in corrosion chamber.
3. a kind of salt air corrosion device on rolling contact fatigue-testing machine according to claim 2, characterized in that
The fuel reserve tank is equipped with oil return apparatus, and oil return apparatus includes oil return pipe, the scavenge oil pump being located on oil return pipe and is located at corrosion case
The accumulator tank of bottom, the entrance of oil return pipe are connected to the inside of accumulator tank, and the outlet of oil return pipe is connected to the inside of fuel reserve tank, are returned
The exit of oil pipe is equipped with strainer.
4. a kind of salt air corrosion device on rolling contact fatigue-testing machine according to claim 2, characterized in that
On the side wall of the liquid reserve tank and water-level gauge is equipped on the side wall of fuel reserve tank.
5. a kind of salt air corrosion device on rolling contact fatigue-testing machine according to claim 1 or 2, feature
It is that the outlet of the bellows is equipped with nozzle.
6. a kind of salt air corrosion device on rolling contact fatigue-testing machine according to claim 1 or 2, feature
It is that the bellows is equipped with check-valves, check-valves is located at the inlet of bellows.
7. a kind of salt air corrosion device on rolling contact fatigue-testing machine according to claim 1 or 2, feature
It is that the bellows is equipped with flow control valve, flow control valve is located at the exit of bellows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820960472.5U CN208366809U (en) | 2018-06-21 | 2018-06-21 | A kind of salt air corrosion device on rolling contact fatigue-testing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820960472.5U CN208366809U (en) | 2018-06-21 | 2018-06-21 | A kind of salt air corrosion device on rolling contact fatigue-testing machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174309A (en) * | 2019-06-12 | 2019-08-27 | 宁波大学 | The sample design method of metal material fracture partial melting under fatigue load |
| CN110631935A (en) * | 2019-09-23 | 2019-12-31 | 宁波大学 | Low-temperature device of rolling contact fatigue testing machine |
| CN111042995A (en) * | 2019-12-30 | 2020-04-21 | 浙江大学 | Self-driven offshore wind power bearing salt spray prevention device |
| CN111879687A (en) * | 2020-06-05 | 2020-11-03 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
| CN112557025A (en) * | 2020-12-07 | 2021-03-26 | 上海交通大学 | Planetary gear test bench for simulating multi-working-condition environment and working method |
-
2018
- 2018-06-21 CN CN201820960472.5U patent/CN208366809U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174309A (en) * | 2019-06-12 | 2019-08-27 | 宁波大学 | The sample design method of metal material fracture partial melting under fatigue load |
| CN110174309B (en) * | 2019-06-12 | 2022-02-22 | 宁波大学 | Sample design method for local melting of metal material fracture under fatigue load |
| CN110631935A (en) * | 2019-09-23 | 2019-12-31 | 宁波大学 | Low-temperature device of rolling contact fatigue testing machine |
| CN111042995A (en) * | 2019-12-30 | 2020-04-21 | 浙江大学 | Self-driven offshore wind power bearing salt spray prevention device |
| CN111879687A (en) * | 2020-06-05 | 2020-11-03 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
| CN111879687B (en) * | 2020-06-05 | 2023-02-28 | 中国民航大学 | Semi-open type in-situ salt spray corrosion device suitable for optical measurement mechanics |
| CN112557025A (en) * | 2020-12-07 | 2021-03-26 | 上海交通大学 | Planetary gear test bench for simulating multi-working-condition environment and working method |
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