CN110410595A - A kind of pine set power transmission insulating flange and its surface crack detection method - Google Patents
A kind of pine set power transmission insulating flange and its surface crack detection method Download PDFInfo
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- CN110410595A CN110410595A CN201910675617.6A CN201910675617A CN110410595A CN 110410595 A CN110410595 A CN 110410595A CN 201910675617 A CN201910675617 A CN 201910675617A CN 110410595 A CN110410595 A CN 110410595A
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- Prior art keywords
- power transmission
- flange
- insulating flange
- set power
- pine set
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/006—Attachments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/036—Flanged joints the flanges being connected by members tensioned axially characterised by the tensioning members, e.g. specially adapted bolts or C-clamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
Abstract
The invention discloses a kind of pine set power transmission insulating flange and its surface crack detection methods, belong to insulating flange field, a kind of pine set power transmission insulating flange, including SR connector and a pair of of flange short tube, a pair of of flange short tube is connected to SR connector left and right ends, SR connector side is connected with seal assembly, SR connector and flange short tube surface are enclosed with self-test coating film, polymorphic layer is coated between SR connector and flange short tube surface and self-test coating film, the function of insulating flange and pine set power transmission flange is integrated by the present invention, form pine set power transmission insulating flange, insulating flange is using pine set expansion joint, it can compensate for the installation error of pipeline, convenient for flange dismounting；And insulating flange uses dowel bar structure, transmits the pressure of pipeline；In addition, adding self-test clad in flange surface, the high cost drawbacks detected in abandoning tradition technology using precision instrument facilitate user to carry out crack self-test to flange before actual use.
Description
Technical field
The present invention relates to insulating flange fields, split more specifically to a kind of pine set power transmission insulating flange and its surface
Stitch detection method.
Background technique
Buried long distance line can generally use the pipeline of various material according to landform, geological conditions.Subterranean oil tracheae
Road, water supply pipe, heat distribution pipeline and other metallic facilities, not only densely distributed and complex geometry, and all in complexity
Soil environment in, therefore by the severe jamming by stray electrical current in the strong corrosion of soil and ground, when connecting between pipelines
When connecing, when as being directly connected between PCCP pipeline and steel pipe, in the soil, since steel pipe is more vulnerable to electrochemistry corruption compared with PCCP
Erosion, steel pipe are equivalent to the anode of PCCP, and corrosion will aggravate when connecting with PCCP, and the steel pipe service life will significantly reduce, once and pipeline
Be corroded damage, and not only maintenance and inspection are difficult, heavy workload, but also due to the leakage of oil, gas etc., causes the dirt to natural environment
Dye, or even causes the major accidents such as poisoning, fire, explosion, interruption pumped (conveying) medium, affects the production order and the people in city
Living safety.In order to ensure the safety of the normal production order and people's lives, mostly using safety in underground piping network
Reliable cathode protection measure, to prevent underground piping from being corroded, and insulating flange is exactly cathodic protection essential one
A critical facility, it not only can avoid causing current drain excessive because being grounded excessively without cathodic protection pipe end, reduce its protection
Effect can also divide interference range and non-interference area in the pipeline section of stray electrical current serious interference, reduce the influence of stray electrical current, thus
Improve its protection efficiency and anti-interference corrosion.Therefore the superiority and inferiority of insulation performance will be directly related to the safety of entire underground pipe network.
Insulating flange effect is exactly the pipeline for completely cutting off two kinds of unlike materials, is not directly contacted with pipeline enclosure, and then play guarantor
The effect in pillar road.
Early stage Chinese Patent Application No. be CN88215226.2 propose it is a kind of can be embedded to underground for a long time, safely may be used
It leans on, performance stabilization, the superior insulating flange of insulation performance, feature is mainly equipped with an insulation protection in the periphery of insulating flange
Cover.The insulation performance that it can not only be improved using the insulating flange makes anti-corrosion protection rate up to 95% or more, can also extend its use
One times of service life or more, extend service life 20 years or more, thus in solving China insulating flange must not placing into the soil at that time, or
It is mounted on the pipeline of conveying water-bearing media, makes insulation performance is unstable to wait all problems, expand insulating flange in underground
Application range on pipeline.
Traditional insulating flange is made of two flange plates, insulation spacer (or insulation sleeve) and bolt.Insulating flange utilizes
The electrical isolation that the electrical insulating property of insulation spacer and high-strength insulating sleeve gasket in insulating flange can be carried out insulating flange both sides carries out
Work.Insulating materials is mainly the materials such as polytetrafluoroethylene (PTFE), oil resistant rubber sheet asbestos, neoprene.With the design longevity of engineering
Life is compared, and insulating materials service life is shorter, needs repeatedly to overhaul and replace within the pipe design service life.
In addition, the surface requirements free from flaw of insulating flange, because it once occurs crack, to exist between connecting tube biggish
It is detached from hidden danger, but the detection of insulating flange surface crack usually only carries out simple qualified inspection in process of production in the prior art
It tests, not will do it Crack Detection substantially then before later period actual use, and even if using preceding carry out Crack Detection, detection
Method is often used to accurate detecting instrument, and testing cost is high.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide it is a kind of pine set power transmission insulating flange and its
Surface crack detection method has abandoned traditional insulating flange set-up mode, by the function of insulating flange and pine set power transmission flange
It being integrated, forms pine set power transmission insulating flange, insulating flange can compensate for the installation error of pipeline using pine set expansion joint,
Convenient for flange dismounting；And insulating flange uses dowel bar structure, transmits the pressure of pipeline；In addition, adding self-test in flange surface
Clad is surveyed, the high cost drawbacks detected in abandoning tradition technology using precision instrument facilitate user before actual use
Crack self-test is carried out to flange.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of pine set power transmission insulating flange, including SR connector and a pair of of flange short tube, a pair of flange short tube connect respectively
It is connected to SR connector left and right ends, the junction of the flange short tube and SR connector is equipped with insulating flange pad and the first O-ring, described
SR connector and flange short tube side offer multiple corresponding screw holes, are threaded with biography in the screw hole on the SR connector
Power screw rod, and power transmission screw rod or so is threadedly coupled with the screw hole on a pair of of flange short tube respectively, is connected on the power transmission screw rod
Multipair power transmission stem nut is equipped with insulation sleeve between the power transmission screw rod and screw hole inner wall, SR connector side is connected with sealing
Component, the SR connector and flange short tube surface are enclosed with self-test coating film, the self-test coating film from inside to outside according to
Secondary includes semi-transparent film layer, membrane waterproofing and outer cuticle layer, between the SR connector and flange short tube surface and self-test coating film
Be coated with polymorphic layer, the polymorphic layer include can recovery-type high-temperature expansion particle and environment-friendly type fluorescer, the present invention abandon
The function of insulating flange and pine set power transmission flange is integrated by traditional insulating flange set-up mode, and it is exhausted to form pine set power transmission
Lot or luck by which people are brought together is blue, and insulating flange can compensate for the installation error of pipeline, dismounted convenient for flange using pine set expansion joint；And insulating flange
Using dowel bar structure, the pressure of pipeline is transmitted；In addition, self-test clad is added in flange surface, in abandoning tradition technology
The high cost drawbacks detected using precision instrument facilitate user to carry out crack self-test to flange before actual use.
Further, the seal assembly includes wedge-type seal circle and the second O-ring, and the second O-ring is located at SR connector
Angle, the height of the wedge-type seal circle is consistent with the diameter of section of the second O-ring, O-shaped using wedge-type seal circle+the second
Circle guarantees pine set power transmission insulating flange product sealing effect.
Further, the outer cuticle layer uses coloured covering material, and outer cuticle layer is applied far from the surface of membrane waterproofing
It is covered with super anti-corrosion slip coating, outer cuticle layer, which can play, protects pine set power transmission insulating flange surface not easily damaged, coloured outer shield
The setting of film layer can prompt the presence of user pine set power transmission insulating flange surface outer cuticle layer, convenient for reminding user before the use
Crack Detection operation is carried out, in addition, on the one hand super anti-corrosion slip coating can reduce the friction of remaining extraneous object, on the other hand may be used
It prevents it from fading, brings pollution of fading.
Further, the membrane waterproofing uses colorless and transparent covering material, guarantees that the problem of fading is not present in itself,
Guarantee that semi-transparent film layer is not faded pollution.
Further, Nian Jie using the transparent jelly of strength between the outer cuticle layer and membrane waterproofing, guarantee outside tearing
While cuticular layer, related membrane waterproofing of tearing avoids user's general idea from forgetting colorless and transparent membrane waterproofing of tearing, leads to not
Carry out Crack Detection.
Further, the semi-transparent film layer equally uses colorless and transparent covering material, and in the making material of semi-transparent film layer
Mixed with the modified elastic epoxy resin material of 2%-5%, semi-transparent film layer allows the water of extraneous side to enter, and prevents the other side
Polymorphic layer spilling, the modified elastic epoxy resin material of 2%-5% may make semi-transparent film layer have good elasticity, In
When pine set power transmission insulating flange surface is squeezed, semi-transparent film layer has certain buffering effect.
Further, the semi-transparent film layer is connected with multiple quick-fried balls far from the surface of membrane waterproofing, and multiple quick-fried balls are equal
It is even to be distributed in semi-transparent film layer, and distance is 2-3mm between two neighboring quick-fried ball, apart from too small then semi-transparent film layer and pine set power transmission
Reserved space between insulating flange surface is too small, and the water of infiltration is difficult to meet quick-fried ball and dissolves explosion, and the water penetrated into is difficult
So that self-test solvent melts and is separated from each other；Quantity apart from excessive then quick-fried ball is very few, it is difficult to play preferable explosion punching
Hit power；The quick-fried ball includes ball bubble and collision mat, and the ball bubble is glued by collision mat in semi-transparent film surface, and the ball bubble is
Water-soluble shell, and it is honeycomb that ball bubble is internal, the ball bubble is internal filled with carbon dioxide gas, and after quick-fried ball meets water, ball bubble is molten
It solves, the carbon dioxide gas inside ball bubble overflows, and is formed miniature " explosion ", polymorphic layer can be accelerated to transport by the impact of force of explosion
It is dynamic, in the crack for more easily entering pine set power transmission insulating flange surface；The setting of collision mat can be achieved quick-fried ball and be glued in semi-transparent
In film layer.
A kind of pine set power transmission insulating flange, surface crack detection method step are as follows:
S1, one basin clear water of preparation are spare, and prepare the closed hood for having observation panel；
After S2, the outer cuticle layer and membrane waterproofing torn on pine set power transmission insulating flange, pine set power transmission insulating flange is put
Enter in clear water；
S3, it is gently agitated for clear water in basin, pine set power transmission insulating flange, outer cuticle layer of tearing is taken out after 3-5min；
S4, again by pine set power transmission insulating flange be put into clear water, wash away the polymorphic layer on surface；
After S5, naturally dry pine set power transmission insulating flange, pine set power transmission insulating flange is placed in closed hood, from
Observation panel observation pine covers the crack on power transmission insulating flange and carries out handmarking.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) this programme has abandoned traditional insulating flange set-up mode, by the function of insulating flange and pine set power transmission flange
It being integrated, forms pine set power transmission insulating flange, insulating flange can compensate for the installation error of pipeline using pine set expansion joint,
Convenient for flange dismounting；And insulating flange uses dowel bar structure, transmits the pressure of pipeline；In addition, adding self-test in flange surface
Clad is surveyed, the high cost drawbacks detected in abandoning tradition technology using precision instrument facilitate user before actual use
Crack self-test is carried out to flange.
(2) seal assembly includes wedge-type seal circle and the second O-ring, and the second O-ring is located at the angle of SR connector, wedge
The height of shape sealing ring is consistent with the diameter of section of the second O-ring, using the+the second O-ring of wedge-type seal circle, guarantees pine set power transmission
Insulating flange product sealing effect.
(3) outer cuticle layer uses coloured covering material, and outer cuticle layer is coated with super anti-corrosion far from the surface of membrane waterproofing
Slip coating, outer cuticle layer, which can play, protects pine set power transmission insulating flange surface not easily damaged, the setting of coloured outer cuticle layer
The presence of user pine set power transmission insulating flange surface outer cuticle layer can be prompted, convenient for reminding user to carry out crack inspection before the use
Operation is surveyed, in addition, on the one hand super anti-corrosion slip coating can reduce the friction of remaining extraneous object, on the other hand can prevent it from falling
Color brings pollution of fading.
(4) membrane waterproofing uses colorless and transparent covering material, guarantees that the problem of fading is not present in itself, guarantees semi-permeable membrane
Layer is not faded pollution.
(5) Nian Jie using the transparent jelly of strength between outer cuticle layer and membrane waterproofing, guarantee in the same of outer cuticle layer of tearing
When, related membrane waterproofing of tearing avoids user's general idea from forgetting colorless and transparent membrane waterproofing of tearing, and leads to not carry out crack inspection
It surveys.
(6) semi-transparent film layer equally uses colorless and transparent covering material, and mixed with 2%-5% in the making material of semi-transparent film layer
Modified elastic epoxy resin material, semi-transparent film layer allows the water of extraneous side to enter, prevents the polymorphic layer of the other side
It overflows, the modified elastic epoxy resin material of 2%-5% may make semi-transparent film layer to have good elasticity, exhausted in pine set power transmission
When edge flange surface is squeezed, semi-transparent film layer has certain buffering effect.
(7) semi-transparent film layer is connected with multiple quick-fried balls far from the surface of membrane waterproofing, and multiple quick-fried balls are uniformly distributed in semi-permeable membrane
On layer, and between two neighboring quick-fried ball distance be 2-3mm, apart from too small then semi-transparent film layer and pine set power transmission insulating flange surface it
Between reserved space it is too small, the water of infiltration is difficult to meet quick-fried ball and dissolves explosion, and the water penetrated into is difficult to so that self-test is molten
Agent is melted and is separated from each other；Quantity apart from excessive then quick-fried ball is very few, it is difficult to play preferable blasting impact power；Quick-fried ball includes ball
Bubble and collision mat, ball bubble are glued by collision mat in semi-transparent film surface, and ball bubble is water-soluble shell, and it is honeycomb that ball bubble is internal
Shape, ball bubble is internal filled with carbon dioxide gas, and after quick-fried ball meets water, ball bubble dissolves, and the carbon dioxide gas inside ball bubble overflows, shape
At miniature " explosion ", polymorphic layer can be accelerated by the impact of force of explosion, more easily enter pine set power transmission insulating flange
In the crack on surface；The setting of collision mat can be achieved quick-fried ball and be glued in semi-transparent film layer.
Detailed description of the invention
Fig. 1 is the surface structure schematic diagram of present invention pine set power transmission insulating flange；
Fig. 2 is the schematic diagram of the section structure of present invention pine set power transmission insulating flange；
Fig. 3 is the half the schematic diagram of the section structure of present invention pine set power transmission insulating flange；
Fig. 4 is the structural schematic diagram in Fig. 3 at A；
Fig. 5 is the half structural schematic diagram of traditional insulating flange；
Fig. 6 is the structural schematic diagram at self-test coating film of the invention；
Fig. 7 is the refinement structural schematic diagram at self-test coating film of the invention；
Fig. 8 is the structural schematic diagram in Fig. 7 at B；
Fig. 9 is the structural schematic diagram of quick-fried ball of the invention；
Figure 10 is the structural schematic diagram at the crack that do not heated under clear water state in the present invention；
Figure 11 is the structural schematic diagram in Figure 10 at C；
Figure 12 is the structural schematic diagram at the crack under present invention heating clear water state；
Figure 13 is the structural schematic diagram in Figure 12 at D.
Figure label explanation:
1 flange short tube, 2 power transmission screw rods, 3 insulation sleeves, 4 insulating flange pads, 5 first O-rings, 6SR connector, 7 transmission rod spiral shells
Mother, 8 seal assemblies, 81 wedge-type seal circles, 82 second O-rings, 9 self-test coating films, 91 outer cuticle layers, 92 semi-transparent film layers, 93
Membrane waterproofing, 10 quick-fried balls, 101 balls bubble, 102 collision mats.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Please refer to Fig. 1, Fig. 2 and Fig. 3, a kind of pine set power transmission insulating flange, including SR connector 6 and a pair of of flange short tube 1, one
6 left and right ends of SR connector are connected to flange short tube 1, flange short tube 1 and the junction of SR connector 6 are equipped with insulating flange pad
4 and first O-ring 5, SR connector 6 and 1 side of flange short tube offer multiple corresponding screw holes, the screw hole on SR connector 6
In be threaded with power transmission screw rod 2, and power transmission screw rod 2 or so is threadedly coupled with the screw hole on a pair of of flange short tube 1 respectively, power transmission
It is connected with multipair power transmission stem nut 7 on screw rod 2, insulation sleeve 3 is equipped between power transmission screw rod 2 and screw hole inner wall, 6 side of SR connector connects
It is connected to seal assembly 8, SR connector 6 and 1 surface of flange short tube are enclosed with self-test coating film 9, referring to Fig. 7, self-test packet
Overlay film 9 includes successively from inside to outside semi-transparent film layer 92, membrane waterproofing 93 and outer cuticle layer 91, referring to Fig. 6, SR connector 6 and method
Be coated with polymorphic layer between blue 1 surface of short tube and self-test coating film 9, polymorphic layer using can recovery-type high-temperature expansion particle it is solidifying
It ties, and in recovery-type high-temperature expansion particle mixed with environment-friendly type fluorescer, pine set power transmission insulating flange surface crack can be penetrated into
In can recovery-type high-temperature expansion particle user can be facilitated to observe the crack location on pine set power transmission insulating flange surface, the present invention gets rid of
Traditional insulating flange set-up mode has been abandoned, the function of insulating flange and pine set power transmission flange is integrated, Song Taochuan is formed
Power insulating flange, insulating flange can compensate for the installation error of pipeline, dismounted convenient for flange using pine set expansion joint；And it insulate
Flange uses dowel bar structure, transmits the pressure of pipeline；In addition, adding self-test clad 9, abandoning tradition skill in flange surface
The high cost drawbacks detected in art using precision instrument facilitate user to carry out crack self-test to flange before actual use
It surveys.
Referring to Fig. 4, seal assembly 8 includes wedge-type seal circle 81 and the second O-ring 82, and the second O-ring 82 is located at SR
The angle of connector 6, the height of wedge-type seal circle 81 is consistent with the diameter of section of the second O-ring 82, using wedge-type seal circle 81+
Second O-ring 82 guarantees pine set power transmission insulating flange product sealing effect.
Outer cuticle layer 91 uses coloured covering material, and surface of the outer cuticle layer 91 far from membrane waterproofing 93 is coated with super anti-
Rotten slip coating, outer cuticle layer 91, which can play, protects pine set power transmission insulating flange surface not easily damaged, coloured outer cuticle layer 91
Setting can prompt user pine set power transmission insulating flange surface outer cuticle layer 91 presence, convenient for remind user before the use into
On the other hand the operation of row Crack Detection can be prevented in addition, on the one hand super anti-corrosion slip coating can reduce the friction of remaining extraneous object
Only it fades, and brings pollution of fading.
Membrane waterproofing 93 uses colorless and transparent covering material, guarantees that the problem of fading is not present in itself, guarantees semi-permeable membrane
Layer 92 is not faded pollution.
It is Nian Jie using the transparent jelly of strength between outer cuticle layer 91 and membrane waterproofing 93, guarantee in outer cuticle layer 91 of tearing
Meanwhile related membrane waterproofing 93 of tearing, the membrane waterproofing 93 for avoiding user's general idea from forgetting to tear colorless and transparent lead to not carry out
Crack Detection.
Semi-transparent film layer 92 equally uses colorless and transparent covering material, and mixed with 2%- in the making material of semi-transparent film layer 92
5% modified elastic epoxy resin material, semi-transparent film layer 92 allow the water of extraneous side to enter, prevent the polymorphic of the other side
The spilling of layer, the modified elastic epoxy resin material of 2%-5% may make semi-transparent film layer 92 to have good elasticity, cover in pine
When power transmission insulating flange surface is squeezed, semi-transparent film layer 92 has certain buffering effect.
Referring to Fig. 8, semi-transparent film layer 92 is connected with multiple quick-fried balls 10 far from the surface of membrane waterproofing 93, multiple quick-fried balls 10 are
It is even to be distributed in semi-transparent film layer 92, and distance is 2-3mm between two neighboring quick-fried ball 10, apart from too small then semi-transparent film layer 92 and pine
The reserved space covered between power transmission insulating flange surface is too small, and the water of infiltration is difficult to meet quick-fried ball 10 and dissolves explosion, and penetrates into
Water be difficult to so that self-test solvent melts and is separated from each other；Quantity apart from excessive then quick-fried ball 10 is very few, it is difficult to play compared with
Good blasting impact power；
Referring to Fig. 9, quick-fried ball 10 includes ball bubble 101 and collision mat 102, ball bubble 101 is glued by collision mat 102 in semi-transparent
92 surface of film layer, ball bubble 101 is water-soluble shell, and 101 inside of ball bubble is honeycomb, and ball steeps inside 101 filled with carbon dioxide
Gas, after quick-fried ball 10 meets water, 101 dissolution of ball bubble, ball steeps the carbon dioxide gas inside 101 and overflows, and forms miniature " explosion ",
Impact of the polymorphic layer by force of explosion, mixed with environment-friendly type fluorescer can recovery-type high-temperature expansion particle can scatter and accelerate rapidly
Movement more easily enters pine and covers in the crack on power transmission insulating flange surface；The setting of collision mat 102 can be achieved quick-fried ball 10 and be glued
In in semi-transparent film layer 92.
A kind of pine set power transmission insulating flange, surface crack detection method step are as follows:
S1, one basin clear water of preparation are spare, and prepare the closed hood for having observation panel；
After S2, the outer cuticle layer 91 and membrane waterproofing 93 torn on pine set power transmission insulating flange, by pine set power transmission insulation method
Orchid is put into clear water；
S3, Figure 10 and Figure 11 are please referred to, be gently agitated for clear water in basin (normal temperature environment), clear water is heated after 3-5min to 50-
55 DEG C (hot environment), continue to stand 30s, please refer to Figure 12 and Figure 13, takes out pine set power transmission insulating flange, outer cuticle layer of tearing
91；
S4, again by pine set power transmission insulating flange be put into the clear water of heating, wash away the polymorphic layer on surface；
After S5, naturally dry pine set power transmission insulating flange, pine set power transmission insulating flange is placed in closed hood, from
Observation panel observation pine covers the crack on power transmission insulating flange and carries out handmarking.
Can recovery-type high-temperature expansion particle can restore prototype in low temperature, specific material can be selected according to actual needs
With or experimental formula guarantee in S3 that heating is clear for example, by using the microspheres mixed with carboxymethyl cellulose and polyacrylamide
Before water, can recovery-type high-temperature expansion particle volume it is smaller, can smoothly enter into pine set power transmission insulating flange surface crack in, add
After hot clear water, can recovery-type high-temperature expansion particle expansion, make its own stabilization be stuck in pine set power transmission insulating flange surface crack
In, it is not easy to overflow the crack on pine set power transmission insulating flange surface in the cleaning process of S4, guarantee in S5, penetrate into pine set power transmission
In insulating flange surface crack can becoming apparent of highlighting of recovery-type high-temperature expansion particle, be more conducive to user and observe pine set
The crack location on power transmission insulating flange surface.
The drawbacks of needing repeatedly maintenance and replacement compared to the insulating flange being arranged in traditional technology, the present invention has abandoned it
The function of insulating flange and pine set power transmission flange is integrated by the set-up mode of conventional insulator flange, and it is exhausted to form pine set power transmission
Lot or luck by which people are brought together is blue, and insulating flange can compensate for the installation error of pipeline, dismounted convenient for flange using pine set expansion joint；And insulating flange
Using dowel bar structure, the pressure of pipeline is transmitted；In addition, adding self-test clad 9, composition self-test cladding in flange surface
The semi-transparent film layer 92 of layer 9 allows the water of extraneous side to enter, after preventing the spilling of the polymorphic layer of the other side, quick-fried ball 10 from meeting water,
101 dissolution of ball bubble, ball steep the carbon dioxide gas inside 101 and overflow, and form miniature " explosion ", polymorphic layer is by force of explosion
Impact can accelerate, and in the crack for more easily entering pine set power transmission insulating flange surface, user carries out handmarking, thus
Repairing measures are taken, are accurately repaired, the high cost drawbacks detected in abandoning tradition technology using precision instrument are convenient
User carries out crack self-test to flange before actual use.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of pine set power transmission insulating flange, including SR connector (6) and a pair of of flange short tube (1), it is characterised in that: described in a pair
Flange short tube (1) is connected to SR connector (6) left and right ends, and the flange short tube (1) and the junction of SR connector (6) are equipped with
Insulating flange pad (4) and the first O-ring (5), the SR connector (6) and flange short tube (1) side offer multiple corresponding
Screw hole, be threaded with power transmission screw rod (2) in the screw hole on the SR connector (6), and power transmission screw rod (2) left and right is respectively with one
Screw hole on flange short tube (1) is threadedly coupled, is connected with multipair power transmission stem nut (7), the biography on the power transmission screw rod (2)
Insulation sleeve (3) are equipped between power screw rod (2) and screw hole inner wall, SR connector (6) side is connected with seal assembly (8), described
SR connector (6) and flange short tube (1) surface are enclosed with self-test coating film (9), and the self-test coating film (9) is from inside to outside
It successively include semi-transparent film layer (92), membrane waterproofing (93) and outer cuticle layer (91), the SR connector (6) and flange short tube (1) table
Polymorphic layer is coated between face and self-test coating film (9), the polymorphic layer includes can recovery-type high-temperature expansion particle and ring
Guarantor's type fluorescer.
2. a kind of pine set power transmission insulating flange according to claim 1, it is characterised in that: the seal assembly (8) includes
Wedge-type seal circle (81) and the second O-ring (82), and the 2nd 0 type circle (82) is located at the angle of SR connector (6), the wedge shape is close
The height of seal (81) is consistent with the diameter of section of the second O-ring (82).
3. a kind of pine set power transmission insulating flange according to claim 1, it is characterised in that: the outer cuticle layer (91) uses
Coloured covering material, and outer cuticle layer (91) is coated with super anti-corrosion slip coating far from the surface of membrane waterproofing (93).
4. a kind of pine set power transmission insulating flange according to claim 1, it is characterised in that: the membrane waterproofing (93) uses
Colorless and transparent covering material.
5. a kind of pine set power transmission insulating flange according to claim 3 or 4, it is characterised in that: the outer cuticle layer (91)
It is Nian Jie using the transparent jelly of strength between membrane waterproofing (93).
6. a kind of pine set power transmission insulating flange according to claim 1, it is characterised in that: the semi-transparent film layer (92) is same
Using colorless and transparent covering material, and mixed with the modified elastic epoxy of 2%-5% in the making material of semi-transparent film layer (92)
Rouge material.
7. a kind of pine set power transmission insulating flange according to claim 6, it is characterised in that: the semi-transparent film layer (92) is separate
The surface of membrane waterproofing (93) is connected with multiple quick-fried balls (10), and multiple quick-fried balls (10) are uniformly distributed in semi-transparent film layer (92)
On, and distance is 2-3mm between two neighboring quick-fried ball (10).
8. a kind of pine set power transmission insulating flange according to claim 7, it is characterised in that: the self-destruction ball (10) includes ball
(101) and collision mat (102) are steeped, the ball bubble (101) is glued by collision mat (102) in semi-transparent film layer (92) surface.
9. a kind of pine set power transmission insulating flange according to claim 8, it is characterised in that: the ball bubble (101) is water-soluble
Property shell, and be honeycomb inside ball bubble (101), ball bubble (101) is internal filled with carbon dioxide gas.
10. a kind of pine set power transmission insulating flange according to claim 1, it is characterised in that: its surface crack detection method
Step are as follows:
S1, one basin clear water of preparation are spare, and prepare the closed hood for having observation panel；
After S2, the outer cuticle layer (91) and membrane waterproofing (93) torn on pine set power transmission insulating flange, by pine set power transmission insulation method
Orchid is put into clear water；
S3, it is gently agitated for clear water in basin, pine set power transmission insulating flange is taken out after 3-5min, is torn outer cuticle layer (91)；
S4, again by pine set power transmission insulating flange be put into clear water, wash away the polymorphic layer on surface；
After S5, naturally dry pine set power transmission insulating flange, pine set power transmission insulating flange is placed in closed hood, from
Mouth observation pine covers the crack on power transmission insulating flange and carries out handmarking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675617.6A CN110410595B (en) | 2019-07-25 | 2019-07-25 | Loose sleeve force transmission insulating flange and surface crack detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910675617.6A CN110410595B (en) | 2019-07-25 | 2019-07-25 | Loose sleeve force transmission insulating flange and surface crack detection method thereof |
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| Publication Number | Publication Date |
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| CN110410595A true CN110410595A (en) | 2019-11-05 |
| CN110410595B CN110410595B (en) | 2020-12-29 |
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| CN201910675617.6A Active CN110410595B (en) | 2019-07-25 | 2019-07-25 | Loose sleeve force transmission insulating flange and surface crack detection method thereof |
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| CN114962827A (en) * | 2022-05-26 | 2022-08-30 | 北京韩建河山管业股份有限公司湖北分公司 | Insulating flange convenient for observing integrity of insulating part |
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|---|---|
| CN110410595B (en) | 2020-12-29 |
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