CN109340486A - A kind of shock resistance engineering plastics flange easy to disassemble - Google Patents
A kind of shock resistance engineering plastics flange easy to disassemble Download PDFInfo
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- CN109340486A CN109340486A CN201811271127.1A CN201811271127A CN109340486A CN 109340486 A CN109340486 A CN 109340486A CN 201811271127 A CN201811271127 A CN 201811271127A CN 109340486 A CN109340486 A CN 109340486A
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- Prior art keywords
- polyimide
- flange
- fixing clamp
- shock resistance
- disassemble
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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
- F16L23/04—Flanged joints the flanges being connected by members tensioned in the radial plane
- F16L23/08—Flanged joints the flanges being connected by members tensioned in the radial plane connection by tangentially arranged pin and nut
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
- C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/08—Polyethers derived from hydroxy compounds or from their metallic derivatives
- C08J2471/10—Polyethers derived from hydroxy compounds or from their metallic derivatives from phenols
- C08J2471/12—Polyphenylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/042—Graphene or derivatives, e.g. graphene oxides
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of shock resistance engineering plastics flanges easy to disassemble, including first pipe and second pipe, one end fixation of first pipe is communicated with first flange disk, first flange disk is fixed with annular groove in the middle part of side, several damping springs are uniformly fixed on annular groove inner wall, one end of several damping springs is fixedly connected with the outer wall of pipe sleeve, pipe sleeve and the interspersed connection of annular boss block, a kind of shock resistance engineering plastics flange easy to disassemble of the invention, it is fixed between first flange disk and second flange disk by the first fixing clamp and the second fixing clamp, therefore by adjusting the elastic of bolt, two ring flanges can be fixed together, and structure disassembly is simple, increase the maintenance efficiency of maintenance personal；By being equipped with several damping springs, and the pipe sleeve that one end of several springs is equipped with inside annular groove, the shock resistance between ring flange can be increased, the service life of ring flange can be increased.
Description
Technical field
The present invention relates to a kind of flange, in particular to a kind of shock resistance engineering plastics flange easy to disassemble belongs to connection
Equipment technical field.
Background technique
Ring flange abbreviation flange, only a general designation, typically refers to open on the periphery of the metallic object of a similar plate-like
The hole of several fixations is for connecting other things.This thing is mechanically applied very extensively, so appearance is also very strange.
Current ring flange is when connecting between two pipelines, since two ring flanges are mostly consolidated using original bolt
It is fixed, therefore when, there are when failure, being not easy to dismantle, reduce the efficiency of maintenance, and sometimes due to flow velocity between flange
It is too fast, cause flange connections that can shake, shakes the damage that conference causes flange.
Summary of the invention
The purpose of the present invention is to provide a kind of shock resistance engineering plastics flanges easy to disassemble, to solve above-mentioned background skill
The pipeline junction vibration proposed in art can cause the damage of flange and flange to be inconvenient to the problem of dismantling.
To achieve the above object, the invention provides the following technical scheme: a kind of shock resistance engineering plastics method easy to disassemble
One end fixation of orchid, including first pipe and second pipe, first pipe is communicated with first flange disk, first flange disk side
Middle part is fixed with annular groove, is uniformly fixed with several damping springs on annular groove inner wall, and the one of several damping springs
End is fixedly connected with the outer wall of pipe sleeve, pipe sleeve and the interspersed connection of annular boss block, and annular boss block is fixed at second
The middle part of ring flange side, the outside of first flange disk and the outside of second flange disk are worn with the first fixing clamp and the second fixing clamp
Connection is inserted, one end of the first fixing clamp and one end of the second fixing clamp are hinged, the other end of the first fixing clamp and the second fixing clamp
The other end be fixed with the first attachment base and the second attachment base respectively, the first attachment base is fixed by bolt and the second attachment base
Connection；
The surfaces externally and internally of pipe sleeve is coated with polyimide modified composite paster, and polyimide modified composite paster includes:
Polyimide plastic layer；
Graphene modified polyimide layer on polyimide plastic layer；, and
Polyimide film on graphene modified polyimide layer；
Wherein, the preparation method of graphene modified polyimide layer, which is characterized in that specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 1-3h at being 130-135 DEG C in temperature；It later will be above-mentioned
Mix monomer is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to
230-260 DEG C of stirring post-polymerization 4-6h, obtains oligomer；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 230-260 DEG C 1-3h obtains the modified polyamides of graphene
Imines；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 230-260 DEG C by discharge hole for discharge after cooling and dicing,
After drying, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains the modified polyamides Asia of graphene
Amine layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage
Meter: polyimides ontology: 44%-58%, polyphenylene oxide: 20%-33%, polyethylene: 22%-23%.
As a preferred technical solution of the present invention, annular boss block side be uniformly fixed with set there are four connection
Stick, one end of four pitmans are fixed with the first magnet, and four the first magnet are connect with four the second magnet magnetism, and four
Second magnetic connection is respectively fixedly disposed at one end of four circular groove inner walls, and four circular grooves are provided with annular groove inner wall respectively
Side.
As a preferred technical solution of the present invention, the inner wall of the inner wall of the first fixing clamp and the second fixing clamp is fixed
Equipped with non-slip mat.
As a preferred technical solution of the present invention, sealing is fixed between first flange disk and second flange disk
Pad.
As a preferred technical solution of the present invention, pipe sleeve inner wall sleeve is equipped with sealing ring.
As a preferred technical solution of the present invention, the matter of graphene oxide and polyimide monomers in step (1)
Ratio is measured as 1:50, the mass ratio of organic dicarboxylic acid and polyimide monomers is 1:20, ring-opening polymerization catalyst and polyimides list
The mass ratio of body is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2).
As a preferred technical solution of the present invention, catalyst is selected from antimony class catalyst, germanium series catalysts, the catalysis of titanium system
One or more of agent.
Compared with prior art, the beneficial effects of the present invention are: a kind of shock resistance engineering plastics easy to disassemble of the present invention
Flange is fixed between first flange disk and second flange disk by the first fixing clamp and the second fixing clamp, therefore by adjusting spiral shell
Bolt it is elastic, so that it may two ring flanges are fixed together, and structure disassembly is simple, increase the maintenance effect of maintenance personal
Rate；By being equipped with several damping springs, and the pipe sleeve that one end of several springs is equipped with inside annular groove, flange can be increased
Shock resistance between disk can increase the service life of ring flange.
Compared with prior art, polyimide modified composite paster provided by the present invention, because graphene oxide has
Certain conductive and heat-conductive ability, alcohol quasi polymer have the characteristics that good hygroscopicity, the introducing of graphene oxide and alcohol quasi-oligomer,
Impart the good electrical and thermal conductivity performance of polyimide material, antistatic property significantly improves, meanwhile, impact strength, stretching
Intensity greatly improves raising, test method: unnotched impact strength test: Xa-500,50J, GB1043 type；Tensile strength is surveyed
Examination: Lloyd-LR-50K, GB1040 type, bending strength test: Lloyd-LR-50K, GB9341 type, medium-resistance test:
GBn547 type.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is first flange dish structure schematic diagram of the invention；
Fig. 3 is second flange dish structure schematic diagram of the invention；
Fig. 4 is first flange disc side structural schematic diagram of the invention.
In figure: 1, second pipe；2, second flange disk；3, first flange disk；4, first pipe；5, annular boss block；6,
Bolt；7, annular groove；8, damping spring；9, pipe sleeve；10, the first fixing clamp；11, the second fixing clamp；12, the second attachment base；
13, the first attachment base；14, pitman.
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, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It 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.
Fig. 1-4 is please referred to, the present invention provides a kind of shock resistance engineering plastics flanges easy to disassemble, including first pipe
4 and second pipe 1, one end of first pipe 4 is fixed to be communicated with first flange disk 3, and the middle part fixation of 2 side of first flange disk is set
Have annular groove 7, be uniformly fixed with several damping springs 8 on 7 inner wall of annular groove, one end of several damping springs 8 with
The outer wall of pipe sleeve 9 is fixedly connected, pipe sleeve 9 and the interspersed connection of annular boss block 5, and annular boss block 5 is fixed at the second method
The middle part of blue 2 side of disk, the outside of first flange disk 3 and the outside of second flange disk 2 and the first fixing clamp 10 and second are fixed
The interspersed connection of folder 11, one end of the first fixing clamp 10 and one end of the second fixing clamp 11 are hinged, the other end of the first fixing clamp 10
It is fixed with the first attachment base 13 and the second attachment base 12 respectively with the other end of the second fixing clamp 11, the first attachment base 13 passes through
Bolt 6 is fixedly connected with the second attachment base 12.
The surfaces externally and internally of pipe sleeve is coated with polyimide modified composite paster, and polyimide modified composite paster includes:
Polyimide plastic layer；
Graphene modified polyimide layer on polyimide plastic layer；, and
Polyimide film on graphene modified polyimide layer；
Scheme 1: where the preparation method of graphene modified polyimide layer, which is characterized in that specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 2h at being 134 DEG C in temperature；Later by above-mentioned mixing list
Body is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 243 DEG C and stir
Post-polymerization 5h is mixed, oligomer is obtained；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 243 DEG C 2h obtains graphene modified polyimide；
The mass ratio of graphene oxide and polyimide monomers is 1:50, and the mass ratio of organic dicarboxylic acid and polyimide monomers is
The mass ratio of 1:20, ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2)；Catalyst is selected from antimony class catalyst；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 243 DEG C by discharge hole for discharge after cooling and dicing, it is dry
Afterwards, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains graphene modified polyimide
Layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage
Meter: polyimides ontology: 44%, polyphenylene oxide: 33%, polyethylene: 23%.
The performance test of the present embodiment is as follows: unnotched impact strength test: 168(kj/m2) tensile strength test: 658
(MPa) bending strength is tested: 1109(MPa) kerosene handles tensile strength: 632(MPa).
Scheme 2: where the preparation method of graphene modified polyimide layer, specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 2h at being 131 DEG C in temperature；Later by above-mentioned mixing list
Body is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to 252 DEG C and stir
Post-polymerization 5h is mixed, oligomer is obtained；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 252 DEG C 2h obtains graphene modified polyimide；
The mass ratio of graphene oxide and polyimide monomers is 1:50, and the mass ratio of organic dicarboxylic acid and polyimide monomers is
The mass ratio of 1:20, ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst and oligomer is 1:8 in step (2)；Catalyst is selected from germanium series catalysts；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 252 DEG C by discharge hole for discharge after cooling and dicing, it is dry
Afterwards, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains graphene modified polyimide
Layer；
Polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein by mass percentage
Meter: polyimides ontology: 51%, polyphenylene oxide: 27%, polyethylene: 23%.
The performance test of the present embodiment is as follows: unnotched impact strength test: 169(kj/m2) tensile strength test: 656
(MPa) bending strength is tested: 1095(MPa) kerosene handles tensile strength: 631(MPa).
Preferably, annular 5 side of boss block, which is uniformly fixed with, sets there are four pitman 14, one end of four pitmans 14
It is fixed with the first magnet, four the first magnet are connect with four the second magnet magnetism, and four second magnetic connections are solid respectively
One end of four circular groove inner walls is set calmly, and four circular grooves are provided with the side of 7 inner wall of annular groove respectively, convenient for first
Ring flange 3 and second flange disk 2 carry out positioning assembling.
Preferably, the inner wall of the inner wall of the first fixing clamp 10 and the second fixing clamp 11 is fixed with non-slip mat, increases by the
The crystallized ability of one fixing clamp 10 and the second fixing clamp 11.
Preferably, gasket is fixed between first flange disk 3 and second flange disk 2, placement leaks.
Preferably, 9 inner wall sleeve of pipe sleeve is equipped with sealing ring, increases the sealing between first flange disk 3 and second flange disk 2
Property.
When specifically used, a kind of shock resistance engineering plastics flange easy to disassemble of the present invention will be to 2 side of second flange disk
The annular boss block 5 being equipped with is inserted into the pipe sleeve 9 inside annular groove 7, several connections that then annular 5 side of boss block is equipped with
First magnet of 14 one end of stick is connect with the second magnet magnetism in circular groove, therefore increases the leakproofness of flange, due to annular
7 inner wall of groove is fixed with several damping springs 8, and several damping springs 8 are fixedly connected with the outer wall of pipe sleeve 9, therefore can be increased
Add the shock resistance between first flange disk 3 and second flange disk 2, making for first flange disk 3 and second flange disk 2 can be increased
With the service life, then the first fixing clamp 10 and the second fixing clamp 11 are set between first flange disk 3 and second flange disk 2, so
Screwing bolts 6 afterwards, structure disassembly is simple, increases the maintenance efficiency of maintenance personal.
In the description of the present invention, it is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of shock resistance engineering plastics flange easy to disassemble, including first pipe (4) and second pipe (1), feature exists
In one end fixation of the first pipe (4) is communicated with first flange disk (3), and the middle part of first flange disk (2) side is solid
Surely annular groove (7) are equipped with, be uniformly fixed with several damping springs (8) on annular groove (7) inner wall, it is several described to subtract
One end of shake spring (8) is fixedly connected with the outer wall of pipe sleeve (9), the pipe sleeve (9) and the interspersed connection of annular boss block (5),
And the annular boss block (5) is fixed at the middle part of second flange disk (2) side, the outside of the first flange disk (3)
With the outside of second flange disk (2) and the first fixing clamp (10) and the interspersed connection of the second fixing clamp (11), first fixing clamp
(10) one end of one end and the second fixing clamp (11) is hinged, the other end and the second fixing clamp of first fixing clamp (10)
(11) the other end is fixed with the first attachment base (13) and the second attachment base (12) respectively, and first attachment base (13) passes through
Bolt (6) is fixedly connected with the second attachment base (12)；
The surfaces externally and internally of the pipe sleeve (9) is coated with polyimide modified composite paster, the polyimide modified composite paster
Include:
Polyimide plastic layer；
Graphene modified polyimide layer on the polyimide plastic layer；, and
Polyimide film on graphene modified polyimide layer；
Wherein, the preparation method of the graphene modified polyimide layer, which is characterized in that specifically includes the following steps:
(1) graphene oxide is mixed with polyimide monomers, stirs 1-3h at being 130-135 DEG C in temperature；It later will be above-mentioned
Mix monomer is placed in reaction kettle, and organic dicarboxylic acid and ring-opening polymerization catalyst is added, is passed through high pure nitrogen, and be warming up to
230-260 DEG C of stirring post-polymerization 4-6h, obtains oligomer；
(2) in the oligomer and catalyst of step (1), the reaction was continued at 230-260 DEG C 1-3h obtains the modified polyamides of graphene
Imines；
(3) be passed through high pure nitrogen in the reaction kettle in step (2), and 230-260 DEG C by discharge hole for discharge after cooling and dicing,
After drying, successively oil by melting-slow cooling-cooling-- boundling the-the second hot-rolling of the-the first hot-rolling obtains the modified polyamides Asia of graphene
Amine layer；
The polyimide plastic layer is by polyimides ontology, and polyphenylene oxide and polyethylene composition form, wherein presses quality percentage
Than meter: polyimides ontology: 44%-58%, polyphenylene oxide: 20%-33%, polyethylene: 22%-23%.
2. one kind according to claim 1 shock resistance engineering plastics flange easy to disassemble, it is characterised in that: the annular
Boss block (5) side, which is uniformly fixed with, to be set there are four pitman (14), and the fixation of one end of four pitmans (14) is set
There is the first magnet, four first magnet are connect with four the second magnet magnetism, and four the described second magnetic connections are solid respectively
One end of four circular groove inner walls is set calmly, and four circular grooves are provided with the side of annular groove (7) inner wall respectively.
3. one kind according to claim 1 shock resistance engineering plastics flange easy to disassemble, it is characterised in that: described first
The inner wall of fixing clamp (10) and the inner wall of the second fixing clamp (11) are fixed with non-slip mat.
4. one kind according to claim 1 shock resistance engineering plastics flange easy to disassemble, it is characterised in that: described first
Gasket is fixed between ring flange (3) and second flange disk (2).
5. one kind according to claim 1 shock resistance engineering plastics flange easy to disassemble, it is characterised in that: the pipe sleeve
(9) inner wall sleeve is equipped with sealing ring.
6. one kind according to claim 1 shock resistance engineering plastics flange easy to disassemble, which is characterized in that step (1)
In graphene oxide and the mass ratioes of polyimide monomers be 1:50, the mass ratio of organic dicarboxylic acid and polyimide monomers is
The mass ratio of 1:20, ring-opening polymerization catalyst and polyimide monomers is 1:40；
The mass ratio of catalyst described in step (2) and oligomer is 1:8.
7. one kind according to claim 1 shock resistance engineering plastics flange easy to disassemble, which is characterized in that the catalysis
Agent is selected from one or more of antimony class catalyst, germanium series catalysts, Titanium series catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271127.1A CN109340486A (en) | 2018-10-29 | 2018-10-29 | A kind of shock resistance engineering plastics flange easy to disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811271127.1A CN109340486A (en) | 2018-10-29 | 2018-10-29 | A kind of shock resistance engineering plastics flange easy to disassemble |
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| CN109340486A true CN109340486A (en) | 2019-02-15 |
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| CN201811271127.1A Pending CN109340486A (en) | 2018-10-29 | 2018-10-29 | A kind of shock resistance engineering plastics flange easy to disassemble |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112253863A (en) * | 2020-10-29 | 2021-01-22 | 宝钛华神钛业有限公司 | Single-flange mechanism for avoiding titanium sponge oxidation |
| CN112963638A (en) * | 2021-03-29 | 2021-06-15 | 邓东林 | Pipe fitting connecting flange |
| CN116201968A (en) * | 2023-05-05 | 2023-06-02 | 山西省安装集团股份有限公司 | Building water supply and drainage pipeline structure |
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