CN113507087B - Corrosion-resistant anti-aging MPP electric power pipe with self-repairing function - Google Patents
Corrosion-resistant anti-aging MPP electric power pipe with self-repairing function Download PDFInfo
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- CN113507087B CN113507087B CN202110562222.2A CN202110562222A CN113507087B CN 113507087 B CN113507087 B CN 113507087B CN 202110562222 A CN202110562222 A CN 202110562222A CN 113507087 B CN113507087 B CN 113507087B
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- 230000007797 corrosion Effects 0.000 title claims abstract description 16
- 230000003712 anti-aging effect Effects 0.000 title claims abstract description 10
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
- H02G1/08—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle through tubing or conduit, e.g. rod or draw wire for pushing or pulling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0462—Tubings, i.e. having a closed section
- H02G3/0481—Tubings, i.e. having a closed section with a circular cross-section
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the technical field of power pipelines, in particular to a corrosion-resistant anti-aging MPP power pipe with a self-repairing function, which comprises a pipeline main body and an isolation layer, wherein the pipeline main body is a modified polypropylene layer, the inner side of the modified polypropylene layer is sequentially connected with an inner liner layer and an insulating coating, the outer side of the modified polypropylene layer is sequentially connected with an outer liner layer, a reinforcing layer and an anti-corrosion coating, an inner repairing ring is fixedly arranged in the pipeline main body, a pipeline self-repairing structure with a vibration sensing function is arranged in the inner repairing ring, a check ring is fixedly connected on the pipeline main body, and the isolation layer self-repairing structure with a heat sensing function is fixedly connected on the isolation layer; the invention not only improves the structural level of the single-material MPP power tube, but also arranges a double repairing structure of a pipeline self-repairing structure and an isolation layer self-repairing structure aiming at the connecting end of the pipeline, thereby timely treating the problem of aging and corrosion of the pipeline and prolonging the service life of the power tube.
Description
Technical Field
The invention relates to the technical field of power pipelines, in particular to a corrosion-resistant anti-aging MPP power pipe with a self-repairing function.
Background
With the development of economy in China, the construction of infrastructures is also faster and faster, and the laying of power pipelines is undoubtedly very important in the infrastructures. At present, the MPP power pipe is mainly composed of MPP power pipes, the MPP power pipes are made of modified polypropylene, a large amount of mud and soil do not need to be excavated, the road surface does not need to be damaged, and the MPP power pipes are widely applied to construction engineering such as laying pipelines and cables in special sections such as roads, railways, buildings, riverbeds and the like. The MPP electric power pipe has the characteristics of high temperature resistance and external pressure resistance.
However, the corrosion resistance and the aging resistance of the existing MPP power pipe are poor, and because the two pipes are generally required to be butted to form a pipeline with a required length when the MPP power pipe is used, the joint of the two pipes generally has a strength defect, and is more easily corroded by the external environment, so that the power pipe is damaged, and the safety of a cable in the power pipe is difficult to guarantee.
In view of the above, we propose a corrosion-resistant anti-aging MPP power tube with a self-repairing function.
Disclosure of Invention
The invention aims to provide a corrosion-resistant anti-aging MPP power tube with a self-repairing function, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a corrosion-resistant ageing resistance MPP electric power pipe with from repair function, includes pipeline main part and isolation layer, pipeline main part is modified polypropylene layer, and modified polypropylene layer inboard has connected gradually inner liner and insulating coating, and modified polypropylene layer outside has connected gradually outer liner, strengthening layer and anticorrosive coating, repair the circle in the fixed mounting has in the pipeline main part, and installs the pipeline self-repair structure that has vibration perception function in the interior repair circle, fixedly connected with retaining ring in the pipeline main part, fixedly connected with has the isolation layer self-repair structure of heat perception function on the isolation layer.
Preferably, the inner liner layer and the outer liner layer are respectively bonded on the inner side and the outer side of the modified polypropylene layer and are formed by curing modified unsaturated polyester resin.
Preferably, the reinforcing layer adopts a metal mesh grid, is embedded and connected on the outer wall of the outer lining layer, and the insulating coating and the anticorrosive coating are respectively formed by brushing insulating paint and anticorrosive paint.
Preferably, the pipeline self-repairing structure comprises a glue solution groove, a through hole, a glue outlet pipe, a dispersion port, a spring, a blocking ball and a push plate, wherein the retainer ring is of an arc-shaped ring structure and is arranged on two sides of the inner repairing ring.
Preferably, the glue solution groove is the ring channel, sets up the inside of repairing the circle including, and is equipped with in the glue solution groove and repairs the glue solution, through-hole intercommunication glue solution groove and exterior space, and go out the rubber tube and install in the through-hole, the mouth that disperses adopts the horn mouth shape, the spring mounting is in the glue solution groove, and the tip at the spring is connected to the shutoff ball, the push pedal is the arc, installs the both sides at the shutoff ball.
Preferably, the isolation layer is made of heat insulation materials, and the isolation layer self-repairing structure comprises heat insulation cotton, an inner support, armor, a retainer, curing repair liquid and a guide plate.
Preferably, the inner support and the armor are both of a circular structure with a cavity, the heat insulation cotton is connected between the inner support and the armor, the retainer is annularly arranged inside the inner support, the curing repair liquid is placed on the retainer, and the guide plate is connected to the inner side of the inner support.
Compared with the prior art, the invention has the beneficial effects that: the invention not only improves the structural level of the MPP power tube made of single material, but also arranges a pipeline self-repairing structure and an isolation layer self-repairing structure aiming at the connecting end of the pipeline. On one hand, the pipeline main body is structurally optimized by using the inner liner, the insulating coating, the outer liner, the reinforcing layer and the anticorrosive coating, the original single modified polypropylene layer is formed to form the composite pipeline, the overall property of the pipeline can be improved, the pipeline main body has better environmental adaptability, and the electricity utilization safety of the pipeline main body is improved; on the other hand, will mend circle hot melt connection in the joint department of two pipeline main parts, thereby use the pipeline to come in time to restore the defect that pipeline main part joint department appears from mending the structure, prevent that the cable in the power pipe from leaking by force and the damage appears, be connected with the isolation layer on the isolation layer and mend the structure certainly, when the isolation layer appears damaged, can carry out automatic maintenance restoration from mending the structurization through the isolation layer, prevent that the damage of isolation layer from influencing the safety of pipeline main part, through dual self-mending structure, timely processing pipeline ageing corrosion problem, increase the life of power pipe.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of the structure of the power tube of the present invention;
fig. 4 is an enlarged schematic view of the area a in fig. 2.
In the figure: the pipeline comprises a pipeline main body 1, an isolation layer 2, a modified polypropylene layer 3, an inner liner layer 4, an insulating coating 5, an outer liner layer 6, a reinforcing layer 7, an anticorrosive coating 8, an inner repairing ring 9, a glue solution tank 10, a through hole 11, a glue outlet pipe 12, a dispersing port 13, a spring 14, a plugging ball 15, a push plate 16, a check ring 17, heat-insulating cotton 18, an inner support 19, an armor 20, a retainer 21, curing repairing liquid 22 and a guide plate 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a corrosion-resistant ageing resistance MPP electric power pipe with from repair function, including pipeline main part 1 and isolation layer 2, 1 main part of pipeline main part is modified polypropylene layer 3, and 3 inboards on modified polypropylene layer have connected gradually inner liner 4 and insulating coating 5, and 3 outsides on modified polypropylene layer have connected gradually outer liner 6, strengthening layer 7 and anticorrosive coating 8, repair circle 9 in the fixed mounting has in the pipeline main part 1, and install the pipeline self-repair structure that has vibration perception function in the interior repair circle 9, fixedly connected with retaining ring 17 on the pipeline main part 1, fixedly connected with has the isolation layer self-repair structure of heat perception function on the isolation layer 2.
The inner liner layer 4 and the outer liner layer 6 are respectively bonded on the inner side and the outer side of the modified polypropylene layer 3, the inner liner layer 4 and the outer liner layer 6 are formed by curing modified unsaturated polyester resin, the inner liner layer 4 and the outer liner layer 6 are used for carrying out the original single level optimization of the modified polypropylene layer 3 to form a composite pipeline, the overall property of the pipeline can be improved, and the pipeline main body 1 has better environmental adaptability;
the reinforcing layer 7 is made of a metal woven mesh and is connected to the outer wall of the outer lining layer 6 in an embedded mode, the insulating coating 5 and the anticorrosive coating 8 are formed by brushing insulating paint and anticorrosive paint respectively, structural strength of the pipeline is enhanced by using the reinforcing layer 7, the insulating coating 5 and the anticorrosive coating 8 play a role in increasing internal insulating performance and external anticorrosive performance of the pipeline main body 1, and electricity utilization safety of the pipeline main body 1 is further improved;
the pipeline self-repairing structure comprises a glue solution groove 10, a through hole 11, a glue outlet pipe 12, a dispersing port 13, a spring 14, a blocking ball 15 and a push plate 16, wherein a check ring 17 is of an arc-shaped ring structure and is arranged on two sides of an inner repairing ring 9, and the inner repairing ring 9 is connected to joints of two pipeline main bodies 1 in a hot melting mode, so that the pipeline self-repairing structure is used for repairing defects at the joints of the pipeline main bodies 1 in time, and the cables in the power pipe are prevented from being damaged due to exposure;
the glue solution groove 10 is a ring-shaped groove and is arranged inside the inner repairing ring 9, repairing glue solution is filled in the glue solution groove 10, the through hole 11 is communicated with the glue solution groove 10 and the external space, the glue outlet pipe 12 is arranged in the through hole 11, the dispersion port 13 is in a horn mouth shape, the spring 14 is arranged in the glue solution groove 10, the plugging ball 15 is connected with the end part of the spring 14, the push plate 16 is an arc-shaped plate and is arranged at two sides of the plugging ball 15, when the pipeline main body 1 is damaged, the space in the pipeline is communicated with the space outside the pipeline, the stability of the pipeline main body 1 is damaged, the pipeline main body 1 is easy to vibrate, when the damage reaches a certain limit, the plugging ball 15 can overcome the elasticity of the spring 14 and is separated from the glue outlet pipe 12, when the pipeline is reset, the glue solution is pushed out from the glue outlet pipe 12 through the push plate 16 and enters the pipeline main body 1 from the dispersion port 13, thereby completing automatic pipeline defect repairing work, the space of the pipeline is isolated, the safety of the cable in the pipeline is ensured, and the check ring 17 is of a space limiting structure and can prevent glue solution from flowing onto the cable;
the isolation layer 2 is made of heat insulation materials, the isolation layer self-repairing structure comprises heat insulation cotton 18, an inner support 19, armor 20, a retainer 21, curing repairing liquid 22 and a guide plate 23, the isolation layer 2 mainly plays a role in heat insulation and sealing of the pipeline main body 1, the mutual influence between the external environment and the pipeline main body 1 is reduced, and when the isolation layer 2 is damaged, automatic maintenance and repair are carried out through the isolation layer self-repairing structure;
the inner support 19 and the armor 20 are both of a circular structure with a cavity, the heat insulation cotton 18 is connected between the inner support 19 and the armor 20, the retainer 21 is annularly arranged inside the inner support 19, the curing repair liquid 22 is placed on the retainer 21, the guide plate 23 is connected to the inner side of the inner support 19, the original environment in the inner support 19 is damaged due to the damage of the isolation layer 2, the curing repair liquid 22 is easily melted when being heated, flows out of the retainer 21 and enters the damaged position of the isolation layer 2 to perform plugging repair, the damage of the isolation layer 2 is prevented from influencing the safety of the pipeline main body 1, and the guide plate 23 can guide the liquefied repair liquid;
the working principle is as follows: firstly, the pipeline main body 1 is optimized through layers, the performance is improved, the inner lining layer 4 and the outer lining layer 6 are used for optimizing the original single modified polypropylene layer 3 to form a composite pipeline, the overall property of the pipeline can be improved, the pipeline main body 1 has better environmental adaptability, the structural strength of the pipeline is enhanced by using the reinforcing layer 7, the insulating coating 5 and the anticorrosive coating 8 play a role in increasing the internal insulating property and the external anticorrosive property of the pipeline main body 1, the electricity utilization safety of the pipeline main body 1 is further increased, the inner repairing ring 9 is connected at the joints of the two pipeline main bodies 1 in a hot melting way, so that the defects at the joints of the pipeline main body 1 are timely repaired by using a pipeline self-repairing structure, the damage caused by the sudden leakage of cables in the power pipe is prevented, when the pipeline main body 1 is damaged, the inner space of the pipeline is communicated with the outer space of the pipeline, the stability of the pipeline main body 1 is damaged, the pipeline main body 1 is more easy to vibrate, when the damage reaches a certain limit, the plugging ball 15 overcomes the elasticity of the spring 14, and is separated from the glue outlet pipe 12, when the damage is reset, the glue is pushed out of the glue outlet pipe 12 through the push plate 16, and enters the pipeline main body 1 from the dispersion port 13, so that the automatic pipeline defect repairing work is completed, the pipeline space is isolated, the safety of a cable in the pipeline is ensured, the check ring 17 is of a space limiting structure and can prevent the glue from flowing onto the cable, the isolation layer 2 mainly plays a role in heat insulation and sealing on the pipeline main body 1, the mutual influence between the external environment and the pipeline main body 1 is reduced, when the isolation layer 2 is damaged, the automatic maintenance and repair are carried out through the self-repairing structure of the isolation layer, because the isolation layer 2 is damaged, the original environment in the inner support 19 is damaged, the solidification repair liquid 22 is heated and easily melts, flows out of the retainer 21, enters the damaged position of the isolation layer 2, is subjected to leakage stoppage repair, prevents the damage of the isolation layer 2 from affecting the safety of the pipeline main body 1, and can be guided by the guide plate 23 after being liquefied.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a corrosion-resistant ageing resistance MPP electric power pipe with from repair function, includes pipeline main part (1) and isolation layer (2), its characterized in that: the pipeline main body (1) is a modified polypropylene layer (3), an inner liner layer (4) and an insulating coating (5) are sequentially connected to the inner side of the modified polypropylene layer (3), an outer liner layer (6), a reinforcing layer (7) and an anticorrosive coating (8) are sequentially connected to the outer side of the modified polypropylene layer (3), an inner repairing ring (9) is fixedly installed in the pipeline main body (1), a pipeline self-repairing structure with a vibration sensing function is installed in the inner repairing ring (9), a check ring (17) is fixedly connected to the pipeline main body (1), and an isolation layer self-repairing structure with a heat sensing function is fixedly connected to the isolation layer (2);
the pipeline self-repairing structure comprises a glue solution groove (10), a through hole (11), a glue outlet pipe (12), a dispersing opening (13), a spring (14), a blocking ball (15) and a push plate (16), wherein the check ring (17) is of an arc-shaped ring structure and is arranged on two sides of an inner repairing ring (9); the isolation layer (2) is made of heat-insulating materials, and the isolation layer self-repairing structure comprises heat-insulating cotton (18), an inner support (19), armor (20), a retainer (21), curing repair liquid (22) and a guide plate (23).
2. The corrosion-resistant anti-aging MPP power tube with the self-repairing function as claimed in claim 1, wherein: the inner liner layer (4) and the outer liner layer (6) are respectively bonded on the inner side and the outer side of the modified polypropylene layer (3), and the inner liner layer (4) and the outer liner layer (6) are formed by curing modified unsaturated polyester resin.
3. The corrosion-resistant anti-aging MPP power tube with the self-repairing function as claimed in claim 1, wherein: the reinforcing layer (7) is made of a metal woven mesh and is connected to the outer wall of the outer lining layer (6) in an embedded mode, and the insulating coating (5) and the anticorrosive coating (8) are formed by brushing insulating paint and anticorrosive paint respectively.
4. The corrosion-resistant anti-aging MPP power tube with the self-repairing function as claimed in claim 1, wherein: glue cistern (10) is the ring channel, sets up the inside of repairing circle (9) including, and is equipped with in glue cistern (10) and repairs the glue solution, through-hole (11) intercommunication glue cistern (10) and exterior space, and goes out rubber tube (12) and install in through-hole (11), dispersed mouth (13) adopt the horn mouth shape, install in glue cistern (10) spring (14), and shutoff ball (15) connect the tip at spring (14), push pedal (16) are the arc, install the both sides at shutoff ball (15).
5. The corrosion-resistant anti-aging MPP power tube with the self-repairing function as claimed in claim 1, wherein: the inner support (19) and the armor (20) are both of a circular structure with a cavity, the heat insulation cotton (18) is connected between the inner support (19) and the armor (20), the retainer (21) is annularly arranged in the inner support (19), the curing repair liquid (22) is placed on the retainer (21), and the guide plate (23) is connected to the inner side of the inner support (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562222.2A CN113507087B (en) | 2021-05-24 | 2021-05-24 | Corrosion-resistant anti-aging MPP electric power pipe with self-repairing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110562222.2A CN113507087B (en) | 2021-05-24 | 2021-05-24 | Corrosion-resistant anti-aging MPP electric power pipe with self-repairing function |
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| Publication Number | Publication Date |
|---|---|
| CN113507087A CN113507087A (en) | 2021-10-15 |
| CN113507087B true CN113507087B (en) | 2022-06-21 |
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