CN111365558A - A3D printing device for pipeline inner wall is repaired - Google Patents
A3D printing device for pipeline inner wall is repaired Download PDFInfo
- Publication number
- CN111365558A CN111365558A CN202010293382.7A CN202010293382A CN111365558A CN 111365558 A CN111365558 A CN 111365558A CN 202010293382 A CN202010293382 A CN 202010293382A CN 111365558 A CN111365558 A CN 111365558A
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- China
- Prior art keywords
- pipeline
- wall
- air bag
- water
- printing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/162—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe
- F16L55/1645—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a sealing material being introduced inside the pipe by means of a tool moving in the pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/30—Constructional aspects of the propulsion means, e.g. towed by cables
- F16L55/32—Constructional aspects of the propulsion means, e.g. towed by cables being self-contained
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
- F16L55/40—Constructional aspects of the body
-
- 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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/30—Inspecting, measuring or testing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a 3D printing device for repairing the inner wall of a pipeline, which comprises a pipeline, an air bag and a plurality of printing nozzles, wherein the printing nozzles are arranged outside the air bag at intervals; the air bag is placed in the pipeline and can move in the pipeline, and a water absorbing part is arranged at the end part of the advancing end of the air bag and can absorb water on the inner wall of the pipeline; water sealing pieces are arranged at two ends of the air bag, the water sealing pieces can isolate water in the pipeline at two sides of the water sealing pieces, and water can be filled in the water sealing pieces; the material pipe is arranged inside the air bag and connected with the printing nozzle, and the printing nozzle can spray and repair the inner wall of the pipeline.
Description
Technical Field
The invention relates to a 3D printing device, in particular to a 3D printing device for repairing the inner wall of a pipeline.
Background
The pipeline is a device which is connected by pipes, pipe connectors, valves and the like and is used for conveying gas, liquid or fluid with solid particles, the fluid flows from a high-pressure part to a low-pressure part of the pipeline after being pressurized by a blower, a compressor, a pump and a boiler, and can also be conveyed by utilizing the pressure or gravity of the fluid, the pipeline is widely used, the pipeline is mainly used in water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas conveying, agricultural irrigation, hydraulic engineering and various industrial devices, and in order to prevent soil erosion, the surface of an underground metal pipeline is coated with anticorrosive paint such as antirust paint or tar, asphalt and the like, or is coated with glass cloth, hemp cloth and the like which are soaked with asphalt. The pipeline buried in the low resistance soil with strong corrosivity needs to be provided with a cathode protection device to prevent corrosion. The steel pipeline on the ground is coated with various anti-rust paints for preventing atmospheric corrosion. Various pipelines are cleaned before use, and some pipelines are cleaned regularly, but with the use of the pipelines in years, the interior of the pipeline is corroded to an insufficient extent or the pipe wall becomes thin, so that the use safety of the pipeline is influenced, and the phenomenon of pipe explosion is easy to occur.
The inside corruption that takes place of traditional pipeline all is the redox who carries out the corrosion through chemical reaction, produce the one deck protection film, or clear up the pipe inner wall through the brush, or wash through high-pressure gas and sweep, this has just not avoided the pipe wall to become more and more thin, the probability of tube explosion has been increased, traditional mode is not repaired or thickening the pipe inner wall through the mode that 3D printed, and be difficult to make the pipe inner wall become smooth and level, the area of contact of pipe inner wall and fluid has been increased, the corrosion rate increases, the practicality is not strong.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the 3D printing device for repairing the inner wall of the pipeline.
In order to achieve the purpose, the invention adopts the technical scheme that: A3D printing device for pipeline inner wall repair, includes: the printing device comprises a pipeline, an air bag and a plurality of printing nozzles which are arranged outside the air bag at intervals; the air bag is placed in the pipeline and can move in the pipeline, and a water absorbing part is arranged at the end part of the advancing end of the air bag and can absorb water on the inner wall of the pipeline; water sealing pieces are arranged at two ends of the air bag, the water sealing pieces can isolate water in the pipeline at two sides of the water sealing pieces, and water can be filled in the water sealing pieces; the material pipe is arranged inside the air bag and connected with the printing nozzle, and the printing nozzle can spray and repair the inner wall of the pipeline.
In a preferred embodiment of the invention, a plurality of the spray heads are positioned at the inner sides of the two water sealing pieces.
In a preferred embodiment of the invention, one end of the air bag is connected with an air pump, and the gas in the air bag can generate vibration by controlling the air input of the air pump.
In a preferred embodiment of the invention, the device further comprises at least one detection piece, wherein the detection piece is fixed on the outer wall of the air bag, and when the detection piece detects that the inner wall of the pipeline is corroded or the pipe wall is thinned, the 3D printing and repairing are carried out through the printing spray head.
In a preferred embodiment of the invention, the edge of the outermost side of the water sealing member after being filled with water is attached to the inner wall of the pipeline.
In a preferred embodiment of the invention, a plurality of printing nozzles can form a printing matrix, and spray printing of corresponding nozzles can be carried out according to a wear path of the inner wall of the pipeline.
In a preferred embodiment of the invention, the water absorbing piece is sleeved at the end part of the air bag advancing end, and when the air bag advances in the pipeline, the outer side of the water absorbing piece is attached to the inner wall of the pipeline.
In a preferred embodiment of the present invention, the water absorbing member can be a sponge or a nonwoven fabric or a water absorbing cloth with a frosted surface.
In a preferred embodiment of the invention, the tail part of the air bag is provided with a pushing mechanism, and the pushing mechanism can push the air bag to move along the pipeline.
In a preferred embodiment of the present invention, the number of the material pipes can be multiple, and the multiple material pipes are distributed at intervals outside the pushing mechanism
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) can repair the pipeline inner wall through 3D printing technique and print to print the corruption department or unevenness department or the attenuation department that appear pipeline inner wall and repair, the repair mode is simple more nimble.
(2) Mode through the gasbag trembles can carry out the tremble through the piece that absorbs water of front end to pipeline repair department and polish, absorbs water a laminating pipeline inner wall repetitive motion tremble, can polish pipeline inner wall smoothly, makes pipeline inner wall more level and smooth.
(3) A plurality of shower nozzles of printing form the matrix, can follow the route according to pipeline inner wall's corruption route and print, when sparingly printing the material, can not cause the pipeline inner wall material to pile up, can not make pipeline inner wall unsmooth, make pipeline inner wall more level and smooth.
(4) The water sealing pieces at the two ends of the air bag are filled with water, the water pressure can isolate the inner areas of the two water sealing pieces, and the printing curing effect can be improved when the printing is carried out.
(5) The gasbag advances the end portion and has the piece that absorbs water, and the piece that absorbs water can enough clean the rust of pipeline inner wall, can not make pipeline inner wall appear the drop of water again with the water absorption of pipeline inner wall, causes the material to be difficult to print to pipeline inner wall, improves and prints the effect.
(6) The material pipe can be a plurality of, and a plurality of material pipes supply the material of different regional printing shower nozzles respectively, can the different material materials of spraying simultaneously, and is restoreed through different materials to different regions of pipeline or different corrosion conditions, and it is pointed more to have.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a schematic partial structure view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the airbag travel end configuration of the preferred embodiment of the present invention;
FIG. 3 is a schematic view of the balloon tail structure of the preferred embodiment of the present invention;
in the figure: 1. the device comprises a water absorbing part, a water sealing part, a material pipe, a material bag, a pushing mechanism, a material pipe, a water filling pipe and a printing nozzle, wherein the water absorbing part 2, the water sealing part 3, the air bag 4, the pushing mechanism 5, the material pipe 6 and the water filling pipe 7.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1 to 3, a 3D printing apparatus for pipeline inner wall repair includes: the pipeline, the gasbag 3, set up several print the shower nozzle 7 outside the gasbag 3 at intervals; the air bag 3 is placed in the pipeline, the air bag 3 can move in the pipeline, the end part of the advancing end of the air bag 3 is provided with the water absorbing piece 1, and the water absorbing piece 1 can absorb water on the inner wall of the pipeline; the two ends of the air bag 3 are respectively provided with a water sealing part 2, the two water sealing parts 2 are communicated through a water filling pipe 6, the water sealing parts 2 can isolate water in the pipeline at the two sides of the water sealing parts 2, and the water in the water sealing parts 2 is filled through the water filling pipes 6; the inside material pipe 5 that is provided with of gasbag 3, material pipe 5 is connected with printing shower nozzle 7, material pipe 5 can be a plurality ofly, 5 interval distribution of a plurality of material pipes are in pushing mechanism 4's the outside, a plurality of material pipes 5 supply the material that shower nozzle 7 was printed in different regions respectively, can the different material materials of spraying simultaneously, to the pipeline different regions or different corruption situation repair through different materials, it is corresponding more to have pertinence, it can spout the material to repair to the pipeline inner wall to print shower nozzle 7.
A plurality of shower nozzle is located the inboard of two water sealing spare 2, 3 one ends of gasbag are connected with the air pump, the air input through the control air pump can make the gaseous emergence tremble in the gasbag 3, 3 outsides of gasbag still include at least one detection piece, the outer wall at gasbag 3 is fixed to the detection piece, when the detection piece detects that the pipeline inner wall takes place corrosion or pipe wall attenuation, carry out 3D through printing shower nozzle 7 and print the repair, water sealing spare 2 fills behind the water and outside edge and the laminating of pipeline inner wall, the mode of trembleing through gasbag 3 can be through the 1 vibrations of absorbing of front end to pipeline repair department, 1 laminating pipeline inner wall repetitious movement trembles of absorbing, can polish pipeline inner wall smooth, make pipeline inner wall more level and more smooth.
A plurality of printing shower nozzle 7 can form and print the matrix, can carry out the material that spouts that corresponds the shower nozzle according to the wearing and tearing route of pipeline inner wall and print, and a plurality of printing shower nozzles 7 form the matrix, can follow the route according to the corruption route of pipeline inner wall and print, when sparingly printing the material, can not cause the pipeline inner wall material to pile up, can not make pipeline inner wall unsmooth, make the pipeline inner wall more level and smooth.
The 1 cover of part that absorbs water is at 3 end tip of advancing of gasbag, and gasbag 3 when advancing in the pipeline, the laminating of 1 outside and pipeline inner wall of part that absorbs water, the part 1 that absorbs water can be sponge or non-woven fabrics or have the cloth that absorbs water of frosting, 3 end tip of advancing of gasbag has the part 1 that absorbs water, the part 1 that absorbs water can enough clean the rust of pipeline inner wall, again can absorb the water of pipeline inner wall, can not make pipeline inner wall appear the drop of water, it is difficult to print to pipeline inner wall to cause the material, improve the printing effect.
3 afterbody of gasbag is provided with pushing mechanism 4, pushing mechanism 4 can promote 3 removal along the pipeline of gasbag, the water sealing piece 2 at 3 both ends of gasbag is through filling water, water pressure can be with two 2 inboard regions of water sealing piece keep apart, can improve when printing and print the solidification effect, can repair the printing to the pipeline inner wall through 3D printing technique, thereby the corruption department or the unevenness department or the attenuation department that appear the pipeline inner wall print the repair, the repair mode is more simple nimble.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A3D printing device for pipeline inner wall repair, includes: the printing device comprises a pipeline, an air bag and a plurality of printing nozzles which are arranged outside the air bag at intervals; it is characterized in that the preparation method is characterized in that,
the air bag is placed in the pipeline and can move in the pipeline, and a water absorbing part is arranged at the end part of the advancing end of the air bag and can absorb water on the inner wall of the pipeline;
water sealing pieces are arranged at two ends of the air bag, the water sealing pieces can isolate water in the pipeline at two sides of the water sealing pieces, and water can be filled in the water sealing pieces;
the material pipe is arranged inside the air bag and connected with the printing nozzle, and the printing nozzle can spray and repair the inner wall of the pipeline.
2. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: the plurality of spray heads are positioned on the inner sides of the two water sealing pieces.
3. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: one end of the air bag is connected with an air pump, and the gas in the air bag can vibrate by controlling the air input of the air pump.
4. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: still include at least one detection piece, the detection piece is fixed the outer wall of gasbag, when the detection piece detects that the pipeline inner wall takes place the corrosion or the pipe wall thinization, through print the shower nozzle and carry out 3D and print the repair.
5. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: and the edge of the outermost side of the water sealing part after being filled with water is attached to the inner wall of the pipeline.
6. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: the printing nozzles can form a printing matrix, and spray printing of the corresponding nozzles can be carried out according to the abrasion path of the inner wall of the pipeline.
7. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: the water absorbing part is sleeved at the end part of the air bag advancing end, and when the air bag advances in the pipeline, the outer side of the water absorbing part is attached to the inner wall of the pipeline.
8. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: the water absorbing member can be a sponge or a non-woven fabric or a water absorbing cloth with a frosted surface.
9. The 3D printing apparatus for pipeline inner wall repair according to claim 1, wherein: the tail part of the air bag is provided with a pushing mechanism, and the pushing mechanism can push the air bag to move along the pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010293382.7A CN111365558A (en) | 2020-04-15 | 2020-04-15 | A3D printing device for pipeline inner wall is repaired |
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CN202010293382.7A CN111365558A (en) | 2020-04-15 | 2020-04-15 | A3D printing device for pipeline inner wall is repaired |
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CN111365558A true CN111365558A (en) | 2020-07-03 |
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CN202010293382.7A Pending CN111365558A (en) | 2020-04-15 | 2020-04-15 | A3D printing device for pipeline inner wall is repaired |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116748995A (en) * | 2023-08-21 | 2023-09-15 | 苏州博创熠鑫智造科技有限责任公司 | Trimming equipment for 3D printing metal product |
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CN101758445A (en) * | 2009-12-17 | 2010-06-30 | 浙江工业大学 | Pulse controlling system for air bag polishing |
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CN104633377A (en) * | 2013-11-13 | 2015-05-20 | 中国石油天然气股份有限公司 | High-pressure glass fiber pipeline installation and pipe damage maintenance device and process method |
CN108430742A (en) * | 2014-07-29 | 2018-08-21 | Cc3D有限公司 | The method and apparatus of increasing material mechanical increase in the urban population for tubular structure |
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2020
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Patent Citations (7)
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US4774905A (en) * | 1985-08-08 | 1988-10-04 | Hermann Hanschen | Apparatus for internally coating pipes |
CN101430038A (en) * | 2007-11-07 | 2009-05-13 | 北京和升达信息安全技术有限公司 | Apparatus capable of freely moving in different pipes |
CN102422155A (en) * | 2009-05-14 | 2012-04-18 | 西屋电气有限责任公司 | Tetherless tube inspection system |
CN101758445A (en) * | 2009-12-17 | 2010-06-30 | 浙江工业大学 | Pulse controlling system for air bag polishing |
CN102954312A (en) * | 2011-08-22 | 2013-03-06 | 吕俊德 | Pipe rust-protecting leak-stopping construction method and pipe rust-protecting leak-stopping structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116748995A (en) * | 2023-08-21 | 2023-09-15 | 苏州博创熠鑫智造科技有限责任公司 | Trimming equipment for 3D printing metal product |
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Application publication date: 20200703 |