CN214621648U - Outer open W type metal ring experiment platform that obturages - Google Patents

Outer open W type metal ring experiment platform that obturages Download PDF

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Publication number
CN214621648U
CN214621648U CN202120012533.7U CN202120012533U CN214621648U CN 214621648 U CN214621648 U CN 214621648U CN 202120012533 U CN202120012533 U CN 202120012533U CN 214621648 U CN214621648 U CN 214621648U
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CN
China
Prior art keywords
flange plate
heating belt
shaped metal
experiment
ring
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Expired - Fee Related
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CN202120012533.7U
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Chinese (zh)
Inventor
顾超
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Nanchang Hangkong University
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Nanchang Hangkong University
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Priority to CN202120012533.7U priority Critical patent/CN214621648U/en
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Abstract

The utility model discloses an outer-opening W-shaped metal sealing ring experiment table, which comprises an upper flange plate, a lower flange plate, an experiment boss flange ring, a sealing multi-W-shaped sealing ring and a heat-insulating sleeve, wherein the upper flange plate and the lower flange plate are coaxially arranged, and the heat-insulating sleeve wraps the upper flange plate and the lower flange plate; the upper flange plate is provided with a temperature detector, a heating belt core electrode anode, a heating belt core electrode cathode, an inflation hole and an air release hole; the lower flange plate is provided with a sealing groove for mounting the multi-W-shaped metal sealing rings, a heating belt groove for mounting a heating belt, an experiment boss flange ring groove for mounting the experiment boss flange ring and a heating belt core hole for mounting a heating belt core. The utility model has simple structure and convenient disassembly and assembly; the test bed can realize vibration test and fatigue life test; the experiment table can be widely applied to sealing ring experiments with different sizes; the heating belt is conveniently installed on the test bed, energy is saved, the test bed is friendly, and the test temperature is higher.

Description

Outer open W type metal ring experiment platform that obturages
Technical Field
The utility model relates to a sealing member test equipment, concretely relates to outer opening W type metal ring experiment platform of obturaging.
Background
The W-shaped sealing ring is widely applied to the latest generation of aircraft engines due to excellent axial compression ratio, proper rigidity, good rebound resilience and vibration following performance.
The W-shaped sealing ring is used as an important component of a mechanical power system of the aero-engine, the sealing capability of the W-shaped sealing ring has an important influence on the performance of the aero-engine, and particularly the gas path sealing can directly influence the pressure increase ratio and the turbine efficiency of the aero-engine. In modern aircraft engines, the gas path sealing is required at more than 50 places. Research shows that when the sealing leakage amount is reduced by 1%, the thrust of the engine is increased by 1%, and the oil consumption is reduced by 0.1%. In addition, the research of the MF Hwang finds that the temperature of an internal cavity of the engine is increased due to the sealed leakage of the secondary flow path system of the air system, so that the thrust is reduced, and the fuel consumption rate is increased.
However, because the W-shaped sealing ring has a severe working condition and is often in the face of a high-temperature, high-pressure and strong-corrosion environment, the design and manufacturing technology is still imperfect, and a great deal of related experiments are urgently needed in the engineering.
Therefore, a novel outer opening W-shaped metal sealing ring test bed is designed, is used for being installed on a general test console and used for testing and detecting the core performances such as compression rate, rigidity, resilience, leakage rate and the like of an outer opening W-shaped metal sealing ring. The traditional corrugated pipe is omitted, the two layers of W-shaped sealing rings are used for sealing, and the high-pressure environment required by the outer-opening W-shaped sealing ring experiment is ensured. Compared with the traditional experiment table, the experiment table is lighter in weight, simple in structure, convenient to disassemble and assemble and convenient for repeatedly replacing the test piece in the experiment; the flange ring on the experiment table is light in weight, is not connected with a corrugated pipe, and can realize a vibration experiment and a fatigue life experiment; this laboratory bench will keep warm cotton set up outside, has made things convenient for the installation of heating band, and the heat dissipation can be reduced to the heat preservation cotton, can save energy of or realize higher temperature.
Disclosure of Invention
The utility model discloses the problem that will solve is: the outer opening W-shaped metal sealing ring experiment table can provide a high-pressure environment and is used for an outer opening W-shaped metal sealing ring experiment; the flange plate has light weight, eliminates thick corrugated pipes, has simple structure and is convenient to disassemble and assemble; the test bed can realize vibration test and fatigue life test; the experiment table can be widely applied to sealing ring experiments with different sizes; the heating belt is conveniently installed on the test bed, energy is saved, the test bed is friendly, and the test temperature is higher.
The utility model discloses a solve the technical scheme that above-mentioned problem provided and do: an outer-opening W-shaped metal sealing ring experiment table comprises an upper flange plate, a lower flange plate, an experiment boss flange ring and a heat insulation sleeve, wherein the upper flange plate and the lower flange plate are coaxially arranged, and the heat insulation sleeve is arranged on the outer surfaces of the upper flange plate and the lower flange plate; the upper flange plate is provided with a temperature detector, a heating belt core electrode anode, a heating belt core electrode cathode, an inflation hole and an air release hole; the lower flange plate is provided with a sealing groove for mounting the multi-W-shaped metal sealing rings, a heating belt groove for mounting a heating belt, an experiment boss flange ring groove for mounting the experiment boss flange ring and a heating belt core hole for mounting a heating belt core.
Preferably, the temperature detector and the inflation hole are arranged above the heating belt, so that temperature testing and inflation airflow circulation are facilitated.
Preferably, the air leakage hole, the positive electrode of the heating belt core electrode and the negative electrode of the heating belt core electrode are arranged above the heating belt core, so that power supply and air leakage and air flow circulation are facilitated.
Preferably, the heat insulation sleeve is divided into an upper heat insulation sleeve and a lower heat insulation sleeve which are respectively wrapped by the upper flange plate and the lower flange plate.
Preferably, the experiment boss flange ring is provided with a cushion column hole for installing a cylindrical cushion block with the required height for the experiment.
Preferably, the lower flange plate is provided with a sealing groove of a multi-W-shaped sealing ring for mounting the multi-W-shaped sealing ring.
Preferably, a sealing electrode hole is further formed in the groove with the heating groove, and a sealing electrode anode and a sealing electrode cathode are arranged in the sealing electrode hole.
Compared with the prior art, the utility model has the advantages that: the outer-opening W-shaped metal sealing ring experiment table cancels a heavy corrugated pipe and a complex bolt fastening sealing system, so that the weight is reduced, and the assembly and disassembly are simple and convenient; the experiment table adopts an outer opening W-shaped metal sealing ring, so that a vibration test and a fatigue life test can be realized; thirdly, the test bed adopts a detachable experiment boss flange ring, and the test of sealing rings with different sizes and specifications can be realized; fourthly, the thermal insulation sleeve is arranged outside the test bed, and the heating belt is convenient to install.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the upper flange of the present invention;
fig. 4 is a cross-sectional view of the lower flange of the present invention;
the attached drawings are marked as follows: 1. an upper flange plate; 2. a lower flange plate; 3. a thermal insulation sleeve; 4. an experiment boss flange ring; 5. heating the tape;
1-1, a temperature detector; 1-2-1, heating the positive electrode of the cored electrode; 1-2-2, heating the cathode of the cored electrode; 1-3-1, inflation holes; 1-3-2, air escape holes; 1-6-1, sealing a first copper pad; 1-6-2, and a second sealing copper gasket; 1-6-3, and a third sealing copper gasket; 1-6-4, and a fourth sealing copper gasket;
2-1, sealing the electrode; 2-1-1, sealing the positive electrode of the electrode; 2-1-2, sealing the electrode cathode; 2-2, an outer opening W-shaped metal sealing ring; 2-2-1, an outer ring of an outer opening W-shaped metal sealing ring; 2-2-2, an outer opening W-shaped metal sealing ring inner ring;
3-1, installing a flange plate heat-insulating sleeve; 3-2, arranging a flange plate heat-insulating sleeve;
4-2, testing a sealing ring; 4-3-1, a cushion column hole; 4-3-2, a cushion column;
wherein, 5-1, heating belt; 5-2, heating the belt core.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.
The specific embodiment of the utility model is shown in fig. 1 and 4, and an outer-opening W-shaped metal sealing ring experiment table comprises an upper flange plate, a lower flange plate, an experiment boss flange ring and a heat preservation sleeve, wherein the upper flange plate and the lower flange plate are coaxially arranged, and the heat preservation sleeve is arranged on the lower surfaces of the upper flange plate and the lower flange plate; the upper flange plate is provided with a temperature detector, a heating belt core electrode positive pole hole, a heating belt core electrode negative pole hole, an inflation hole and an air release hole; the lower flange plate is provided with a sealing groove for mounting the multi-W-shaped metal sealing rings, a heating belt groove for mounting a heating belt, an experiment boss flange ring groove for mounting the experiment boss flange ring and a heating belt core hole for mounting a heating belt core.
In this embodiment, temperature detector and inflation hole set up in the heating band top, make things convenient for test temperature and inflation air current circulation.
In this embodiment, the air leakage hole, the positive electrode of the heating belt core electrode and the negative electrode of the heating belt core electrode are arranged above the heating belt core, so that power supply and air leakage and air flow circulation are facilitated.
In this embodiment, the insulating sleeve is divided into an upper insulating sleeve and a lower insulating sleeve, which are respectively wrapped by the upper flange and the lower flange.
In this embodiment, the experiment boss flange ring is provided with a gasket hole for installing cylindrical gaskets of different heights.
In this embodiment, a seal electrode hole is further formed in the seal groove, and a seal electrode positive electrode and a seal electrode negative electrode are arranged in the seal electrode hole.
Wherein, the heating cored electrode anode is arranged in the heating cored electrode anode hole, and the heating cored electrode cathode is arranged in the heating cored electrode cathode hole.
Wherein, the heating belt is arranged outside the test boss flange ring, and the heating belt core is arranged inside the test boss flange ring to realize uniform heating
In the utility model, the bottom and the top of the sealing groove are provided with a sealing copper pad (comprising a first sealing copper pad, a second sealing copper pad, a third sealing copper pad and a fourth sealing copper pad), the sealing copper pad is annular, the cross section is trapezoidal, the sealing copper pad is arranged with the groove bottom and the groove top (arranged in pairs), and the groove top is partially embedded in the upper flange plate; the sealing copper pad is tightly arranged on the flange plate to prevent air leakage; the sealing copper pad is in contact with the W-shaped metal sealing rings, is soft and is in close contact with the W-shaped metal sealing rings with the outer openings when compressed, and sealing is achieved.
The utility model discloses a concrete theory of operation: an outer opening W-shaped metal sealing ring experiment table is used for testing an outer opening W-shaped metal sealing ring under the working condition of high temperature and high pressure; in order to realize a high-temperature environment, a heating belt groove, a heating belt core hole and a temperature probe are arranged, and a heating device and temperature control equipment are installed to realize uniform heating and temperature control; in order to realize a high-pressure environment, two layers (different diameters) of multi-W-shaped metal sealing rings are adopted, and the characteristics of large axial compression amount, rebound resilience and good vibration following performance of the multi-W-shaped metal sealing rings are utilized to realize sealing of a high-pressure inner cavity and realize vibration testing and fatigue testing of a test ring if necessary; in order to realize the test of sealing rings with different sizes, a replaceable test boss flange ring is adopted and embedded in a lower flange disc; in order to prevent the plastic yield (the compression amount is over-limited) of the test ring, a cylindrical cushion block is adopted and embedded on the flange ring of the test boss; in order to prevent yielding of the multi-W-shaped metal sealing ring, a sealing groove is arranged to control the compression amount of the sealing ring. When the upper flange and the lower flange are tightly pressed, the set compression amount of the flange ring of the experiment boss can be realized, the W-shaped metal sealing ring with the outer opening is compressed at the same time, a sealing cavity formed by the flange plate, the W-shaped test ring with the outer opening on the flange ring of the experiment boss and the W-shaped metal sealing rings is realized, and then high-pressure gas is filled into the cavity, so that the leakage amount of the experiment ring under the set pressure difference can be measured; the test bench can also realize the test of the rigidity and the resilience of the W-shaped metal sealing ring with the outer opening.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.

Claims (8)

1. The utility model provides an outer open-ended W type metal ring laboratory bench that obturages which characterized in that: the heat insulation device comprises an upper flange plate, a lower flange plate, an experiment boss flange ring and a heat insulation sleeve, wherein the upper flange plate and the lower flange plate are coaxially arranged, and the heat insulation sleeve is wrapped outside the upper flange plate and the lower flange plate; the upper flange plate is provided with a temperature detector, a heating belt core electrode anode, a heating belt core electrode cathode, an inflation hole and an air release hole; the lower flange plate is provided with a sealing groove for mounting a W-shaped metal sealing ring, a heating belt groove for mounting a heating belt, an experiment boss flange ring groove for mounting an experiment boss flange ring and a heating belt core hole for mounting a heating belt core.
2. The outer-opening W-shaped metal sealing ring experiment table as claimed in claim 1, wherein: the temperature detector and the inflation hole are arranged above the heating belt, so that temperature testing and inflation airflow circulation are facilitated.
3. The outer-opening W-shaped metal sealing ring experiment table as claimed in claim 1, wherein: the air leakage hole, the positive electrode of the heating belt core electrode and the negative electrode of the heating belt core electrode are arranged above the heating belt core, so that power supply and air leakage and air flow circulation are facilitated.
4. The outer-opening W-shaped metal sealing ring experiment table as claimed in claim 1, wherein: the insulating sleeve is divided into an upper insulating sleeve and a lower insulating sleeve which are respectively wrapped by an upper flange plate and a lower flange plate.
5. The outer-opening W-shaped metal sealing ring experiment table as claimed in claim 1, wherein: and the experiment boss flange ring is provided with a cushion column hole for installing a cylindrical cushion block with the required height for the experiment.
6. The outer-opening W-shaped metal sealing ring experiment table as claimed in claim 1, wherein: the lower flange plate is provided with two multi-W-shaped metal sealing ring sealing grooves for mounting two large and small multi-W-shaped metal sealing rings.
7. The outer-opening W-shaped metal sealing ring experiment table as claimed in claim 6, wherein: the groove bottom of the sealing groove of the multi-W-shaped metal sealing ring is provided with a sealing copper gasket which is in an inverted trapezoid shape.
8. The outer-opening W-shaped metal sealing ring experiment table as claimed in claim 1, wherein: the lower flange plate is provided with a heating belt groove, a sealing electrode hole is formed in the bottom of the groove, and power is conveniently supplied to the heating belt.
CN202120012533.7U 2021-01-05 2021-01-05 Outer open W type metal ring experiment platform that obturages Expired - Fee Related CN214621648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120012533.7U CN214621648U (en) 2021-01-05 2021-01-05 Outer open W type metal ring experiment platform that obturages

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120012533.7U CN214621648U (en) 2021-01-05 2021-01-05 Outer open W type metal ring experiment platform that obturages

Publications (1)

Publication Number Publication Date
CN214621648U true CN214621648U (en) 2021-11-05

Family

ID=78435340

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120012533.7U Expired - Fee Related CN214621648U (en) 2021-01-05 2021-01-05 Outer open W type metal ring experiment platform that obturages

Country Status (1)

Country Link
CN (1) CN214621648U (en)

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Granted publication date: 20211105