CN105865718B - A kind of sealing performance experimental provision of sealing structure - Google Patents
A kind of sealing performance experimental provision of sealing structure Download PDFInfo
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- CN105865718B CN105865718B CN201610182315.1A CN201610182315A CN105865718B CN 105865718 B CN105865718 B CN 105865718B CN 201610182315 A CN201610182315 A CN 201610182315A CN 105865718 B CN105865718 B CN 105865718B
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- pressure
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- regulator valve
- sealing
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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
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention provides a kind of sealing performance experimental provisions of sealing structure, are related to mechanical engineering technical field, solve the problem of that the experiment porch that existing some investigators build is expensive with security risk, which includes: high pressure gas output mechanism；Pressure regulating device；Fuel reserve tank stores hydraulic seal medium in fuel reserve tank；Switching tooling, switching tooling have a seal cavity connecting with fuel reserve tank, and seal cavity has the hatch frame matched with static seal structure to be measured, and static seal structure to be measured is cooperatively connected by hatch frame and seal cavity；High pressure gas output mechanism exports the gas of the first pressure to pressure regulating device, and pressure regulating device exports the gas that the gas regulation of the first pressure is the second pressure to fuel reserve tank, so that the hydraulic seal medium in fuel reserve tank is pressed into seal cavity.The solution of the present invention can accurately measure the sealing performance of static seal structure, can quickly assemble, low in cost, securely and reliably.
Description
Technical field
The present invention relates to mechanical engineering technical field, in particular to the sealing performance experimental provision of a kind of sealing structure.
Background technique
Static seal structure is widely used in engineering, the traffic such as closely bound up automobile, aircraft of either living with people
Machinery, the aerospace for still representing Environment Science is mechanical, all largely uses plane static seal structure.And the mistake of plane static seal
Effect often brings huge security risk, economic loss and environmental pollution.In order to guarantee the sealing performance of static seal structure, greatly
Amount scholar carries out experimental study to it, probes into the influence factor of sealing structure sealing performance.
Although experimental study has very big advantage in the research and application of static seal structure, mentioned for experimental study
It is less for the static seal structure sealing performance experimental apparatus for testing of support.Most researchers are the experiments oneself built
Platform, some experiment porch are expensive, and some have that performance is unstable even with security risk.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of sealing performance experimental provisions of sealing structure, solve existing skill
Lack the experimental provision to the test of static seal structure sealing performance, and the experiment porch valence that some investigators oneself build in art
Lattice are expensive, or even have the problem of security risk.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of sealing performance experimental provision of sealing structure,
Include:
High pressure gas output mechanism；
The pressure regulating device being connect with the high pressure gas output mechanism；
The fuel reserve tank connecting with the pressure regulating device stores hydraulic seal medium in the fuel reserve tank；
Switching tooling, the switching tooling have a seal cavity connecting with the fuel reserve tank, the seal cavity tool
There is the hatch frame matched with static seal structure to be measured, the static seal structure to be measured passes through the hatch frame and institute
State seal cavity mating connection；
The high pressure gas output mechanism exports the gas of the first pressure to the pressure regulating device, and the pressure regulating device is by institute
It states the gas regulation of the first pressure to export for the gas of the second pressure to the fuel reserve tank, so that the liquid in the fuel reserve tank is close
Envelope medium is pressed into the seal cavity of the switching tooling.
Wherein, the pressure regulating device includes: the first pressure regulator valve and the second pressure regulator valve for connecting with first pressure regulator valve；
The one end of first pressure regulator valve far from second pressure regulator valve is connect with the high pressure gas output mechanism, described
Second pressure regulator valve is connect far from one end of first pressure regulator valve with the fuel reserve tank.
Wherein, the range of regulation of first pressure regulator valve is greater than the range of regulation of second pressure regulator valve.
Wherein, the regulation precision of second pressure regulator valve is greater than the regulation precision of first pressure regulator valve.
Wherein, the high pressure gas output mechanism includes high-pressure nitrogen bottle.
Wherein, the hydraulic seal medium is water, lubricating oil, hydraulic oil, gasoline or alcohol.
Wherein, it is connected between the pressure regulating device and the fuel reserve tank by hose and quick coupling.
Wherein, it is connected between the fuel reserve tank and the switching tooling by hose and quick coupling.
Wherein, it is connected between the pressure regulating device and the high pressure gas output mechanism by hose and quick coupling.
Wherein, it is connected between first pressure regulator valve and second pressure regulator valve by hose and quick coupling.
The advantageous effects of the above technical solutions of the present invention are as follows:
The sealing performance experimental provision of the sealing structure of the embodiment of the present invention, comprising: high pressure gas output mechanism；With high pressure
The pressure regulating device of gas output mechanism connection；The fuel reserve tank connecting with pressure regulating device stores hydraulic seal medium in fuel reserve tank；
Switching tooling, switching tooling have a seal cavity connecting with fuel reserve tank, and seal cavity has and static seal structure to be measured
The hatch frame matched, static seal structure to be measured are assembled in seal cavity by hatch frame；High pressure gas exports machine
Structure exports the gas of the first pressure to pressure regulating device, and pressure regulating device is defeated by the gas that the gas regulation of the first pressure is the second pressure
Out to fuel reserve tank, so that the hydraulic seal medium in fuel reserve tank is pressed into the seal cavity of switching tooling.Pass through detection opening
The amount of leakage of hydraulic seal medium at structure can accurately measure the sealing performance of static seal structure.The device has can be fast
Speed assembling, advantage low in cost and safe and reliable can be used by most of static seal structure sealing performance experiment, be solved
It has determined the experimental provision lacked in the prior art to the test of static seal structure sealing performance, and what some investigators oneself built
Experiment porch is expensive, or even has the problem of security risk.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sealing performance experimental provision of sealing structure of the present invention.
Description of symbols:
1- high pressure gas output mechanism, 2- pressure regulating device, the first pressure reducing valve of 21-, the second pressure reducing valve of 22-, 3- fuel reserve tank, 4-
Hydraulic seal medium, 5- switching tooling, 6- static seal structure to be measured, 61- hollow bolt, 62- gasket, 63- swivel joint.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the sealing performance experimental provision of the sealing structure of the embodiment of the present invention, comprising:
High pressure gas output mechanism 1；
The pressure regulating device 2 being connect with the high pressure gas output mechanism 1；
The fuel reserve tank 3 connecting with the pressure regulating device 2 stores hydraulic seal medium 4 in the fuel reserve tank 3；
Switching tooling 5, the switching tooling 5 have a seal cavity connecting with the fuel reserve tank 3, the seal cavity
With the hatch frame matched with static seal structure 6 to be measured, the static seal structure 6 to be measured passes through the hatch frame
It is cooperatively connected with the seal cavity；
The high pressure gas output mechanism 1 exports the gas of the first pressure, the pressure regulating device 2 to the pressure regulating device 2
The gas that the gas regulation of first pressure is the second pressure is exported to the fuel reserve tank 3, so that in the fuel reserve tank 3
Hydraulic seal medium 4 is pressed into the seal cavity of the switching tooling 5.
The sealing performance experimental provision of the sealing structure of the embodiment of the present invention is situated between by hydraulic seal at detection opening structure
The amount of leakage of matter 4 can accurately measure the sealing performance of static seal structure.The device has and can quickly assemble, low in cost,
And safe and reliable advantage, it can be used by most of static seal structure sealing performance experiment, solve and lack in the prior art
Few experimental provision that static seal structure sealing performance is tested, and the experiment porch price that some investigators oneself build is high
It is expensive, or even there is the problem of security risk.
Specifically, can detect the volume or quality of leak liquid at hatch frame, to observe under different assembly pretightening power
Static seal structure leakage rate.
Preferably, the pressure regulating device 2 includes: the first pressure regulator valve 21 and the second tune connecting with first pressure regulator valve 21
Pressure valve 22；
The one end of first pressure regulator valve 21 far from second pressure regulator valve 22 and the high pressure gas output mechanism 1 connect
It connects, the one end of second pressure regulator valve 22 far from first pressure regulator valve 21 is connect with the fuel reserve tank 3.
At this point, the output of pressure can be precisely controlled by two pressure regulator valve mating reactions.
Preferably, the range of regulation of first pressure regulator valve 21 is greater than the range of regulation of second pressure regulator valve 22.It is described
The regulation precision of second pressure regulator valve 22 is greater than the regulation precision of first pressure regulator valve 21.
At this point, two pressure regulator valves select respectively range of regulation it is wide and regulation precision it is high, further can accurately control
The output of pressing pressure, facilitates adjusting and use.
Preferably, the high pressure gas output mechanism 1 includes high-pressure nitrogen bottle.
The pressure of general static seal structure sealing medium is smaller, and Chang Wei 1MPa is hereinafter, and the pressure of high-pressure nitrogen bottle can
Up to 15MPa, have the ability entirely to test and providing enough pressure.It is mentioned relative to air compressor (maximum is generally 0.8MPa) etc.
For the equipment of pressure, high-pressure nitrogen bottle is capable of providing large range of pressure.Meanwhile high-pressure nitrogen bottle does not need electric power etc.
Energy input, is used conveniently and safely and its is cheap, and purchase and aerating are convenient.
At this point, by using high-pressure nitrogen bottle enough and large range of pressure, user can be provided for entire experiment
Just safe and cheap.
Specifically, the hydraulic seal medium 4 can be water, lubricating oil, hydraulic oil, gasoline or alcohol.
Certainly, aforesaid liquid sealing medium is only for example, other have the liquid for not corroding experiment equipment performance
Sealing medium can also apply in the present invention, not illustrate one by one herein.
Preferably, it is connected between the pressure regulating device 2 and the fuel reserve tank 3 by hose and quick coupling.The oil storage
It is connected between case 3 and the switching tooling 5 also by hose and quick coupling.
Likewise, being connected between the pressure regulating device 2 and the high pressure gas output mechanism 1 by hose and quick coupling
It connects.It is connected between first pressure regulator valve 21 and second pressure regulator valve 22 also by hose and quick coupling.
At this point, can be realized quickly changeing between equipment by hose and crossover sub, assembly and disassembly are facilitated.
Further, since the device of the embodiment of the present invention is for measuring static seal structure sealing performance, so quiet
Too big fluid flow is not needed at sealing structure, therefore the volume of fuel reserve tank 3 does not need too greatly, to leak according to sealing structure
Rate 1e-3Ml/s is calculated, and when continuous work primary experiment is 8 hours a length of, then the volume that continuous work once leaks is
0.0288L, in order to guarantee going on smoothly for experiment, it is preferred that the volume of the fuel reserve tank 3 can be 1-2L.
Certainly, for different sealing leak rate requirements, larger or smaller leakage rate can be generated, then is needed using not
The fuel reserve tank of same specification, does not illustrate one by one herein.
For detecting hollow bolt sealing structure, the device of the embodiment of the present invention is as shown in Figure 1, the device is by passing through
High-pressure nitrogen bottle, the first pressure regulator valve 21, the second pressure regulator valve 22, fuel reserve tank 3, switching tooling 5 and the sky that hose, quick coupling connect
Heart bolt sealing structure composition.Lubricating oil is stored in fuel reserve tank 3.Hollow bolt sealing structure includes hollow bolt 61, pad
Piece 62 and swivel joint 63.The high pressure nitrogen exported in high-pressure nitrogen bottle is depressurized through two pressure regulator valves, will stablize the nitrogen of pressure
Gas is input to fuel reserve tank 3, and passes through fuel reserve tank 3, and the lubricating oil of high pressure is squeezed into switching tooling 5 and hollow bolt sealing structure.
By measuring the volume or quality of leak liquid, the hollow bolt sealing structure that can be observed under different assembly pretightening power is let out
Dew rate.
To sum up, the sealing performance experimental provision of the sealing structure of the embodiment of the present invention passes through liquid at detection opening structure
The amount of leakage of sealing medium can accurately measure the sealing performance of static seal structure.It is low in cost with can quickly assemble,
And safe and reliable advantage, it can be used by most of static seal structure sealing performance experiment, solve and lack in the prior art
Few experimental provision that static seal structure sealing performance is tested, and the experiment porch price that some investigators oneself build is high
It is expensive, or even there is the problem of security risk.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of sealing performance experimental provision of sealing structure characterized by comprising
High pressure gas output mechanism；
The pressure regulating device being connect with the high pressure gas output mechanism；
The fuel reserve tank connecting with the pressure regulating device stores hydraulic seal medium in the fuel reserve tank；
Switching tooling, the switching tooling have a seal cavity being connect with the fuel reserve tank, the seal cavity with
The hatch frame that static seal structure to be measured matches, the static seal structure to be measured by the hatch frame with it is described close
It seals cavity to be cooperatively connected, by the volume or quality of leak liquid sealing medium at detection opening structure, to observe different dresses
Leakage rate with the static seal structure to be measured under pretightning force；
The high pressure gas output mechanism exports the gas of the first pressure to the pressure regulating device, and the pressure regulating device is by described the
The gas regulation of one pressure is that the gas of the second pressure is exported to the fuel reserve tank, so that the hydraulic seal in the fuel reserve tank is situated between
Matter is pressed into the seal cavity of the switching tooling.
2. the sealing performance experimental provision of sealing structure according to claim 1, which is characterized in that the pressure regulating device packet
It includes: the first pressure regulator valve and the second pressure regulator valve being connect with first pressure regulator valve；
The one end of first pressure regulator valve far from second pressure regulator valve is connect with the high pressure gas output mechanism, and described second
Pressure regulator valve is connect far from one end of first pressure regulator valve with the fuel reserve tank.
3. the sealing performance experimental provision of sealing structure according to claim 2, which is characterized in that first pressure regulator valve
Range of regulation be greater than second pressure regulator valve range of regulation.
4. the sealing performance experimental provision of sealing structure according to claim 2, which is characterized in that second pressure regulator valve
Regulation precision be greater than first pressure regulator valve regulation precision.
5. the sealing performance experimental provision of sealing structure according to claim 1, which is characterized in that the high pressure gas is defeated
Mechanism includes high-pressure nitrogen bottle out.
6. the sealing performance experimental provision of sealing structure according to claim 1, which is characterized in that the hydraulic seal is situated between
Matter is water, lubricating oil, hydraulic oil, gasoline or alcohol.
7. the sealing performance experimental provision of sealing structure according to claim 1, which is characterized in that the pressure regulating device with
It is connected by hose with quick coupling between the fuel reserve tank.
8. the sealing performance experimental provision of sealing structure according to claim 1, which is characterized in that the fuel reserve tank and institute
It states and is connected by hose with quick coupling between switching tooling.
9. the sealing performance experimental provision of sealing structure according to claim 1, which is characterized in that the pressure regulating device with
It is connected by hose with quick coupling between the high pressure gas output mechanism.
10. the sealing performance experimental provision of sealing structure according to claim 2, which is characterized in that first pressure regulation
It is connected between valve and second pressure regulator valve by hose and quick coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610182315.1A CN105865718B (en) | 2016-03-28 | 2016-03-28 | A kind of sealing performance experimental provision of sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182315.1A CN105865718B (en) | 2016-03-28 | 2016-03-28 | A kind of sealing performance experimental provision of sealing structure |
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| Publication Number | Publication Date |
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| CN105865718A CN105865718A (en) | 2016-08-17 |
| CN105865718B true CN105865718B (en) | 2019-09-27 |
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| CN201610182315.1A Active CN105865718B (en) | 2016-03-28 | 2016-03-28 | A kind of sealing performance experimental provision of sealing structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109029845B (en) * | 2018-07-17 | 2020-05-22 | 内蒙古第一机械集团股份有限公司 | Testing device and testing method for sealing performance of hollow bolt |
Citations (3)
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|---|---|---|---|---|
| CN2052670U (en) * | 1989-03-25 | 1990-02-14 | 肖超 | Fire fighting water supply equipment with pressure fixed by nitrogen gas |
| CN104132783A (en) * | 2014-08-28 | 2014-11-05 | 河南柴油机重工有限责任公司 | Water pressure testing tool fast to disassemble or assemble |
| CN104359635A (en) * | 2014-11-24 | 2015-02-18 | 中国航空动力机械研究所 | Multifunctional all-working-condition metal elastic sealing ring testing device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7820085B2 (en) * | 2003-10-29 | 2010-10-26 | Essilor International | Methods relating to molding optical lenses |
| JP2005300498A (en) * | 2004-04-16 | 2005-10-27 | Gundai Kk | Liquid leakage inspection method of inspection object and liquid leakage inspecting device of inspection object |
| CN202420791U (en) * | 2012-01-11 | 2012-09-05 | 何鹏飞 | Mechanical static seal detecting system |
| CN204101250U (en) * | 2014-08-22 | 2015-01-14 | 中国石油化工股份有限公司 | A kind of double mechanical seal stationary state pressure testing device |
| CN105277323A (en) * | 2015-11-13 | 2016-01-27 | 沈阳航天新光集团有限公司 | Sealing test stand |
-
2016
- 2016-03-28 CN CN201610182315.1A patent/CN105865718B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052670U (en) * | 1989-03-25 | 1990-02-14 | 肖超 | Fire fighting water supply equipment with pressure fixed by nitrogen gas |
| CN104132783A (en) * | 2014-08-28 | 2014-11-05 | 河南柴油机重工有限责任公司 | Water pressure testing tool fast to disassemble or assemble |
| CN104359635A (en) * | 2014-11-24 | 2015-02-18 | 中国航空动力机械研究所 | Multifunctional all-working-condition metal elastic sealing ring testing device |
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| CN105865718A (en) | 2016-08-17 |
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