CN207300835U - Seal ring aging test device - Google Patents
Seal ring aging test device Download PDFInfo
- Publication number
- CN207300835U CN207300835U CN201721342171.8U CN201721342171U CN207300835U CN 207300835 U CN207300835 U CN 207300835U CN 201721342171 U CN201721342171 U CN 201721342171U CN 207300835 U CN207300835 U CN 207300835U
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- Prior art keywords
- flange
- sealing ring
- ring
- hole
- test apparatus
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- 230000032683 aging Effects 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000007789 sealing Methods 0.000 claims abstract description 81
- 239000011148 porous material Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 10
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 241000233855 Orchidaceae Species 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 10
- 229910018503 SF6 Inorganic materials 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses a sealing washer aging test device relates to the experimental technical field of sealing washer, invents for solving the problem that can't the accurate measuring service life of sealing washer under gas pressure among the prior art. The utility model relates to a sealing washer aging test device, including at least one ring flange, the upper surface and/or the lower surface of ring flange are equipped with the mounting groove that is used for installing the sealing washer along circumference, the top and the below of ring flange are connected with the blind flange respectively, with form confined cavity in the ring flange, be equipped with on the blind flange with the hole of aerifing of cavity intercommunication, it is connected with aerating device to aerify the hole.
Description
Technical field
It the utility model is related to sealing ring experimental technique field, more particularly to a kind of sealing ring ageing test apparatus.
Background technology
In high-voltage electricity conveying technology, frequently with gas insulated switchgear (i.e. GIS, Gas Insulated
Switchgear sulfur hexafluoride (the i.e. SF in)6) as insulation and arc-extinguishing medium, High-Voltage Electrical Appliances are isolated from the outside world.Gas is exhausted
Sulfur hexafluoride filled with certain pressure in edge switchgear, by flange chuck clamping, and sets sealing between ring flange
Coil structures are sealed against.Because sealing ring is during long-time use, meeting seal failure because of aging, causes sulfur hexafluoride to leak
The problem of.
Measuring the experimental rig of sealing ring aging in the prior art includes two ring flanges, is opened wherein on a ring flange
If mounting groove, by sealing ring in the mounting groove, then by two flange chuck clampings, finally put it into baking oven, be spaced one section
Time is drawn off the performance change of measurement sealing ring, finally by Arrhenius drawing method analysis measurement as a result, so as to obtain
Obtain the service life of sealing ring.
Because in above-mentioned measurement process, the measuring device of sealing ring is under normal pressure state, with gas-insulating and fully-enclosed group
The use environment for closing sealing ring in electric appliance is different.Therefore, it is impossible to accurately measure applied in gas insulated switchgear
The service life of sealing ring.
Utility model content
The embodiment of the utility model provides a kind of sealing ring ageing test apparatus, and can solve in the prior art can not be accurate
The problem of measuring the service life of sealing ring under gas pressure.
To reach above-mentioned purpose, the embodiment of the utility model adopts the following technical scheme that：
A kind of sealing ring ageing test apparatus, including at least one ring flange, the upper surface of the ring flange and/or following table
Face is connected to blind flange circumferentially arranged with the mounting groove for installing sealing ring above and below the ring flange, with
The cavity of closing is formed in the ring flange, the blind flange is equipped with the air-filled pore connected with the cavity, the inflation
Hole is connected with aerating device.
Further, the ring flange is multiple that multiple ring flanges include multiple first flanges adjacent by position
The flange component of disk and second flange disk composition, the first flange disk and the second flange disk are detachably connected.
Further, the quantity of the ring flange is N number of, and N is even number, the first flange disk and the second flange
The quantity of the flange component of disk composition is N/2.
Further, the first flange disk is connected with the second flange disk by sunk screw.
Further, it is used to have with the stepped hole that the head of the sunk screw and middle part coordinate on the first flange disk
Multiple, multiple stepped holes are set along the circumferential uniform intervals of the first flange disk；On the second flange disk be used for
The blind hole that the afterbody of the sunk screw coordinates has multiple, the blind hole and stepped hole one-to-one corresponding setting.
Further, bolt is further included, offers the opposite first through hole in position on two blind flanges respectively, it is described
Second through hole opposite with the first through hole is offered on ring flange, the screw rod of the bolt is located at the first through hole and institute
State in the second through hole and be connected with the first through hole, second through hole whorl.
Further, the air-filled pore is also associated with air pressure measurement device.
Further, on the blind flange close to the ring flange surface circumferentially arranged with the peace for installing sealing ring
Tankage.
Further, the section of the mounting groove is square.
Further, sealing cover is equipped with the air-filled pore.
Further, air bleeding valve is equipped with the air-filled pore.
Sealing ring ageing test apparatus in the utility model embodiment, due to by blind flange by a ring flange or multiple
The upper and lower opening sealing of stacked ring flange, so that the cavity of closing is formed in ring flange, then using aerating device through inflation
Gas is filled with cavity by hole so that the sealing ring in measurement process between ring flange or between ring flange and blind flange is in
Under certain gas pressure.The experimental enviroment is identical with the working environment of the sealing ring in gas insulated switchgear, makes
Test measurement go out sealing ring performance change data result and working environment it is closer so that according to the sealing ring performance change
Data result can more accurately extrapolate the service life of sealing ring.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of sealing ring ageing test apparatus in the utility model embodiment；
Fig. 2 is the Section A-A figure of Fig. 1；
Fig. 3 is the structure diagram of first flange disk in sealing ring ageing test apparatus in the utility model embodiment；
Fig. 4 is the section B-B figure of Fig. 3；
Fig. 5 is the structure diagram of second flange disk in sealing ring ageing test apparatus in the utility model embodiment；
Fig. 6 is the C-C sectional views of Fig. 5.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
In the description of the utility model, it is to be understood that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown, is for only for ease of description the utility model and simplifies description, rather than indicates or imply and is signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
New limitation.
With reference to Fig. 1~2, the utility model embodiment sealing ring ageing test apparatus includes blind flange 1 and at least one method
Blue disk 2, in the upper surface of ring flange 2 or lower surface or upper and lower surface circumferentially arranged with mounting groove 21, the i.e. installation
Groove 21 is annular, for installing sealing ring.Blind flange 1 at least two, by taking two blind flanges 1 as an example, two blind flanges 1 are distinguished
It is connected with above and below ring flange 2, (ring flange 2 is multiple stacked by the upper and lower opening of ring flange 2 for blind flange 1
The upper and lower opening of ring flange 2) closing, to form the cavity 3 of closing in ring flange 2.Wherein, offered on blind flange 1 and sky
The air-filled pore 11 (or offering air-filled pore 11 on any blind flange 1 or on two blind flanges) that chamber 3 connects, air-filled pore 11 is connected with
Aerating device (not shown), aerating device are to be filled with gas (such as sulfur hexafluoride) in above-mentioned cavity 3 by air-filled pore 11.
Sealing ring ageing test apparatus in the utility model embodiment, due to by blind flange 1 by a ring flange 2 or more
The upper and lower opening sealing of a stacked ring flange 2, so that the cavity 3 of closing is formed in ring flange 2, then using aerating device
Gas is filled with cavity 3 through air-filled pore 11 so that in measurement process between ring flange 2 or ring flange 2 and blind flange 1 it
Between sealing ring be under certain gas pressure.The work of the experimental enviroment and the sealing ring in gas insulated switchgear
It is identical to make environment so that test measurement go out sealing ring performance change data result and working environment it is closer so that according to this
The data result of sealing ring performance change can more accurately extrapolate the service life of sealing ring, and test structure is compacter,
The utility model embodiment be suitably applied in, in the degradation of minor diameter sealing ring.
In some embodiments of the utility model, ring flange 2 is multiple, and multiple ring flanges 2 include multiple by position phase
The flange component 20 that adjacent first flange disk 201 and second flange disk 202 form, and first flange disk 201 and second flange
Disk 202 is detachably connected, and pair multiple sealing rings can be tested at the same time, and when whole experimental rig is put into baking oven, take
Space it is smaller.When mounted, after first first flange disk 201 and second flange disk 202 being connected, then by multiple ring flanges 2 with
Blind flange 1 connects, operation convenient for assembly, and ring flange 2 is reliable to the chucking power of sealing ring, and experimental rig can bear certain gas
Body pressure.If in the performance change of sealing ring in sometime, only detecting some flange component 20, flange can disassembled
After the connection of lid 1 and multiple ring flanges 2, then corresponding flange component 20 dismantled, carry out the detection of sealing ring, do not influence it
The fixation of his 20 inner seal ring of flange component, disassembling section are simpler.
In the above-described embodiments, can be that first flange disk 201 and second flange disk 202 are formed in multiple ring flanges 2
Flange component 20, if the quantity of ring flange 2 is N number of, the quantity of flange component 20 is N/2, i.e. 201 He of first flange disk
The quantity of second flange disk 202 is N/2, as shown in Figure 2；Or multiple ring flanges 2 include above-mentioned flange component 20,
And other single ring flanges, as included a ring flange 2 between two flange components 20, the combination of multiple ring flanges connects
Connect that mode is freer, be suitably applied the needs of various sealing ring degradations.
Alternatively, first flange disk 201 and second flange disk 202 are connected by screw bolts, in first flange disk 201 and second
The upper and lower surface of ring flange 202 processes annular convex platform, which is located on the inside of the matching hole of installation bolt, and boss
Height be more than Partial Height on bolt outside 202 surface of first flange disk 201 or second flange disk, mounting groove 21 is set
It is placed on boss；Or pass through sunk screw (i.e. counter sink 22 with reference to Fig. 2~6, first flange disk 201 and second flange disk 202
Shown position) connection, because sunk screw is entirely screwed in first flange disk 201 and second flange disk 202, sunk screw is to first
The surface of ring flange 201 and second flange disk 202 does not influence, and processing is simple, and saves material.Therefore, the utility model is real
Apply the technical solution that example uses the latter.
Illustratively, in certain embodiments, it is used for what is coordinated with the head of sunk screw and middle part on first flange disk 201
Stepped hole 221 has multiple, circumferential uniform intervals setting of multiple stepped holes 221 along first flange disk 201, as shown in figs. 34；
Multiple for having with the blind hole 222 of the afterbody of sunk screw cooperation on second flange disk 202, blind hole 222 and stepped hole 221 are one by one
It is correspondingly arranged, as shown in Fig. 5~6, stepped hole 221 and blind hole 222 form the counter sink 22 coordinated with sunk screw, can make multiple
After sunk screw is installed on stepped hole 221 and blind hole 222, formed in first flange disk 201 or the circumferential of second flange disk 202
Even torque, each several part uniform force of sealing ring.
Alternatively, the connection mode of blind flange 1 and ring flange 2 has a variety of, if ring flange 2 have it is multiple, such as pass through bolt will
Some ring flanges 2 are connected with a blind flange 1, other ring flanges 2 are connected with another blind flange 1, two parts ring flange 2
Two ring flanges 2 being in contact are connected with each other；Or bolt is further included, it is opposite to offer position respectively on two blind flanges 1
First through hole 12, offers second through hole 23 opposite with first through hole 12 on ring flange 2, the screw rod of bolt is located at first through hole
12 and second are threadedly coupled in through hole 23 and with first through hole 12, the second through hole 23, to realize ring flange 2 and two blind flanges 1
It is detachably connected, as shown in Figure 2.The utility model embodiment uses the scheme of the latter, and assembly manipulation is simple.
Further, the circumferential uniform intervals of first through hole 12 along blind flange 1 are equipped with multiple, correspondingly, the second through hole 23
Be equipped with along the circumferential uniform intervals of ring flange 2 it is multiple so that bolt forms uniform pressure in the circumferential of ring flange 2 or blind flange 1
Clamp force.In addition, the second through hole 23 on first flange disk 201 is staggered with stepped hole 221, on second flange disk 202
Two through holes 23 are staggered with blind hole 222.
With reference to Fig. 1~6, the flange component 20 in the utility model embodiment, by 4 sunk screws by first flange
Disk 201 and second flange disk 202 connect, then are connected blind flange 1 and multiple ring flanges 2 by 12 bolts, and attachment force is reliable,
Entirely experimental rig is compact-sized, and bolt can be made from radial stress, avoid fracture from causing accident.
In addition, in order to ensure that 2 internal cavity 3 of ring flange is filled with the gas of convenient pressure, gas is also associated with air-filled pore 11
Measurement device (not shown) is pressed, when being filled with gas in cavity 3, the pressure in cavity 3 can be measured at any time, prevented to sky
When chamber 3 pressurizes (inflation), it is unlikely to burst.
Further, in certain embodiments, the surface close to ring flange 2 on blind flange 1 is circumferentially also provided with being used for
The mounting groove 21 of sealing ring is installed, the sealing ring quantity for being carried out at the same time measurement can be improved.With reference to Fig. 2, set on a blind flange 1
Air-filled pore 11 is put, is set in another blind flange 1 close to the surface of ring flange 2 (being upper surface in figure) and is used to install sealing ring
Mounting groove 21.
Alternatively, sealing ring can be rectangular seal, O-ring seals, U-shaped sealing ring etc., in the utility model embodiment
Mounting groove 21 be designed as square groove, i.e., the section of mounting groove 21 is square, facilitates various types of sealing rings and mounting groove 21
Cooperation.
In addition, sealing cover (not shown) is set, by ring flange 2 in the utility model embodiment at air-filled pore 11
Cavity 3 seals.When to the completion of the gas replenishment process of cavity 3, air-filled pore 11 is sealed by sealing cover, then by aerating device (and
Air pressure measurement device) to dismantle, the convenient whole experimental rig assembled is put into baking oven carries out high temperature ageing.
Certainly, it when dismantling sealing ring ageing test apparatus, need to first deflate, then be dismantled, therefore, the utility model is real
Apply example and air bleeding valve (not shown) is equipped with air-filled pore 11.
The sealing ring ageing test apparatus of the utility model embodiment, need to be first by sealing before sealing ring degradation is carried out
Circle is installed in the mounting groove 21 in ring flange 2 (and blind flange 1), then by (first flange disk 201 and the between ring flange 2
Two ring flanges 202 connect) and/or ring flange 2 and blind flange 1 connect (bolt and first through hole 12, the screw thread of the second through hole 23
Connection).After whole sealing ring ageing test apparatus is completed, using aerating device through air-filled pore 11 in ring flange 2
Cavity 3 is inflated, and is sealed air-filled pore 11 after the completion of inflation, and aerating device is dismantled.By whole sealing ring degradation
Device is put into baking oven and carries out high temperature ageing, takes out sealing ring ageing test apparatus every a period of time, first by the gas in cavity 3
After discharging (such as air-filled pore is connected with discharge duct, then opens air bleeding valve), then dismantle between ring flange 2 and blind flange 1 (and
Between ring flange 2) connection structure (i.e. bolt or sunk screw), by sealing ring take out carry out performance parameter measurement, measured
Cheng Hou, repeats the assembling, inflation, high temperature ageing flow of above-mentioned sealing ring ageing test apparatus.After repeatedly carrying out above-mentioned flow, root
According to the test data for obtaining sealing ring, analyzed by Arrhenius drawing method and calculate the reason for obtaining sealing ring under gas pressure
By service life.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain that profit requires.
Claims (10)
- A kind of 1. sealing ring ageing test apparatus, it is characterised in that including at least one ring flange, the upper surface of the ring flange And/or lower surface is connected to above and below the ring flange circumferentially arranged with the mounting groove for installing sealing ring Blind flange, to form the cavity of closing in the ring flange, the blind flange is equipped with the air-filled pore connected with the cavity, The air-filled pore is connected with aerating device.
- 2. sealing ring ageing test apparatus according to claim 1, it is characterised in that the ring flange is multiple to be multiple The flange component that the ring flange is formed including multiple first flange disks adjacent by position and second flange disk, described first Ring flange and the second flange disk are detachably connected.
- 3. sealing ring ageing test apparatus according to claim 2, it is characterised in that the first flange disk and described Two ring flanges are connected by sunk screw.
- 4. sealing ring ageing test apparatus according to claim 3, it is characterised in that on the first flange disk be used for The stepped hole that the head of the sunk screw and middle part coordinate has multiple, week of multiple stepped holes along the first flange disk Set to uniform intervals；It is multiple for having with the blind hole of the afterbody of sunk screw cooperation on the second flange disk, it is described Blind hole is corresponded with the stepped hole and set.
- 5. sealing ring ageing test apparatus according to claim 1, it is characterised in that further include bolt, two methods Orchid covers and offers the opposite first through hole in position respectively, and second opposite with the first through hole is offered on the ring flange Through hole, the screw rod of the bolt be located in the first through hole and second through hole and with the first through hole, described second Through hole whorl connects.
- 6. sealing ring ageing test apparatus according to claim 1, it is characterised in that the air-filled pore is also associated with air pressure Measurement device.
- 7. sealing ring ageing test apparatus according to claim 1, it is characterised in that close to the method on the blind flange The surface of blue disk is circumferentially arranged with the mounting groove for installing sealing ring.
- 8. the sealing ring ageing test apparatus according to claim 1 or 7, it is characterised in that the section of the mounting groove is It is square.
- 9. sealing ring ageing test apparatus according to claim 1, it is characterised in that sealing is equipped with the air-filled pore Lid.
- 10. sealing ring ageing test apparatus according to claim 1, it is characterised in that exhaust is equipped with the air-filled pore Valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721342171.8U CN207300835U (en) | 2017-10-18 | 2017-10-18 | Seal ring aging test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721342171.8U CN207300835U (en) | 2017-10-18 | 2017-10-18 | Seal ring aging test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207300835U true CN207300835U (en) | 2018-05-01 |
Family
ID=62273146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721342171.8U Active CN207300835U (en) | 2017-10-18 | 2017-10-18 | Seal ring aging test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207300835U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561000A (en) * | 2017-10-18 | 2018-01-09 | 南方电网科学研究院有限责任公司 | Seal ring aging test device |
| WO2021120583A1 (en) * | 2019-12-16 | 2021-06-24 | 南方电网科学研究院有限责任公司 | Vacuum sealing ring aging test system |
-
2017
- 2017-10-18 CN CN201721342171.8U patent/CN207300835U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107561000A (en) * | 2017-10-18 | 2018-01-09 | 南方电网科学研究院有限责任公司 | Seal ring aging test device |
| CN107561000B (en) * | 2017-10-18 | 2023-11-17 | 南方电网科学研究院有限责任公司 | Ageing test device for sealing ring |
| WO2021120583A1 (en) * | 2019-12-16 | 2021-06-24 | 南方电网科学研究院有限责任公司 | Vacuum sealing ring aging test system |
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