CN112984270A - Method and equipment for adhering transverse joint of lining hose in pipeline in-situ repair - Google Patents
Method and equipment for adhering transverse joint of lining hose in pipeline in-situ repair Download PDFInfo
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- CN112984270A CN112984270A CN201911288375.1A CN201911288375A CN112984270A CN 112984270 A CN112984270 A CN 112984270A CN 201911288375 A CN201911288375 A CN 201911288375A CN 112984270 A CN112984270 A CN 112984270A
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- sealing strip
- welding gun
- hose
- joint
- transverse joint
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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
- F16L55/163—Devices for covering leaks in pipes or hoses, e.g. hose-menders from inside the pipe a ring, a band or a sleeve being pressed against the inner surface of the pipe
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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
- F16L55/18—Appliances for use in repairing pipes
Abstract
The invention provides a method and equipment for adhering a transverse joint of a lining hose base material for pipeline in-situ repair, wherein the method comprises the following steps: penetrating the inner sealing strip through the heating box and placing the inner sealing strip on a plane, butting the two sections of hose base materials and placing the two sections of hose base materials on the upper surface of the heating box, wherein the seam is positioned right above the inner sealing strip; pressing guide rails on two sides of the joint of the two sections of hose base materials, placing transverse joint thermal compounding equipment in the guide rails, and attaching rollers on two sides to the inner sides of the guide rails to limit the positions; fixing the outer sealing strip on the bracket, and placing one end of the outer sealing strip between the seam and the pressure roller; when the hot air heating device works, after the temperature of the hot air rises to a set temperature, the welding gun is pushed downwards, the head of the inner sealing strip welding gun is inserted into the heating box and fixed, and meanwhile, the traction device is started; during the moving process of the device, the film layer parts on the surfaces of the inner sealing strip and the outer sealing strip are melted by hot air sent by the inner welding gun heads and the outer welding gun heads, and the inner sealing strip and the outer sealing strip are compacted with the seam by the pressure roller, so that the inner sealing strip and the outer sealing strip are tightly bonded with the inner seam and the outer seam of the base material. The method can effectively ensure firm bonding of the transverse joint of the hose base material for in-situ pipeline repair, solve the problem of insufficient hose length, and meet the long-distance construction requirement of pipeline non-excavation repair engineering.
Description
Technical Field
The invention relates to the field of lining pipe materials in trenchless repairing technology, in particular to a bonding method for bonding a transverse joint of a lining hose for in-situ pipeline repairing, and also provides equipment for bonding the transverse joint of the lining hose for in-situ pipeline repairing.
Background
With the rapid development of social economy and the acceleration of urbanization process in China, urban underground pipelines are increasingly increased, the scale of a pipe network is continuously enlarged, part of pipelines reach the service life, and phenomena such as 'running, overflowing, dripping and leaking' occur in succession. Therefore, the pipeline needs to be periodically modified and updated in batches. If the traditional excavation technology is used for repairing the old pipeline, the resource consumption is huge, and the traffic, urban environment and the life of residents are influenced. In this case, trenchless pipeline rehabilitation is particularly important.
In recent years, the trenchless repair technology for urban underground pipelines in China is developed rapidly, and the trenchless repair technology can be used for performing functional repair, semi-structural repair and structural repair on various pipelines. The trenchless technology adopts special construction equipment, technology and materials, has the advantages of high construction efficiency, good engineering quality and short construction period, improves the overflowing capacity of the original pipeline, and has short service life and small interference on the environment, traffic, commercial districts and crowded living districts. The method is widely applied to repairing pipelines such as water supply, water drainage, fuel gas and the like.
But the initiation of the non-excavation repair technology is late in China. At present, non-excavation repair enterprises in China face a severe problem, namely, non-excavation repair materials are seriously dependent on imports, so that the repair cost is high, and the construction period is difficult to guarantee. Therefore, the research of the home-made trenchless in-situ repair material is urgently needed in China. The transverse joint is used as an important link for producing the hose, the problem that the length of the hose is not enough can be effectively solved, but if the strength of the transverse joint is not enough, the breakage accident of the hose during turnover repair is easily caused, and the construction failure is caused. Therefore, there is an urgent need to develop a method and apparatus for preparing a transverse joint.
Disclosure of Invention
The invention aims to provide a method for adhering a transverse joint of a lining hose for pipeline in-situ repair and process equipment used by the method, which can ensure that the tensile strength of the transverse joint of a base layer of the lining hose for pipeline in-situ repair meets the construction requirement.
The method for bonding the transverse joint of the lining hose for in-situ repair of the pipeline is characterized in that the bonding manufacturing steps of the transverse joint of the main hose material sequentially comprise the following steps:
s1: the inner sealing strip penetrates through the heating box and is arranged on the flat plate, then the two sections of hose base materials are respectively arranged on the heating box in an aligned mode, and the seam is aligned with the center line of the heating box and is located right above the inner sealing strip;
s2: placing the guide rail right above the seam of the hose base material to ensure that the seam is positioned on the center line of the guide rail;
s3: placing the transverse joint thermal compounding equipment on the inner side of the guide rail, attaching the limiting position of the guide rail through rolling gears on two sides, placing an outer sealing strip on the bracket, and placing one end of the outer sealing strip between a base material seam and a pressure roller along a rolling shaft;
s4: starting a fan and a heating device, pushing the inner welding gun and the outer welding gun downwards after the temperature of hot air is raised to a set temperature, fixing the inner welding gun after the inner welding gun is inserted into the corresponding position of the heating box, and starting a travelling device; the film layer parts on the surfaces of the inner sealing strip and the outer sealing strip are melted and bonded with the inner side and the outer side of the joint by hot air sent by the inner welding gun head and the outer welding gun head; in the advancing process of the device, the outer sealing strip is rolled out by a pressure roller, and the inner sealing strip and the outer sealing strip are synchronously compacted with the base material at the joint through the pressure roller;
s5: after natural cooling, the inner and outer sealing strips are firmly bonded with the inner and outer sides of the hose base material at the joint.
The invention provides a composite device for preparing a lining hose transverse joint, which comprises a guide rail device, a traveling device, a heating device and a temperature control device; the heating device comprises a heating box, a temperature sensor, an inner welding gun, an outer welding gun, a sleeve, a heating rod, an inner welding gun head, an outer welding gun head, a handle, an air inlet, a rotor flow meter, a fan, a positioning sleeve and a limiting strip; the inner welding gun and the outer welding gun comprise sleeves, heating rods, inner sealing strip welding gun heads and outer sealing strip welding gun heads; the heating box is provided with a square hole and an inner sealing strip channel. The advancing device comprises a movable rod, a support, a rolling shaft, a pressure roller, a positioning screw, a rolling gear, a motor, a driving bevel gear, a driven bevel gear and a limiting socket; the rolling gear is connected with the driven bevel gear through a rotating shaft, the driving bevel gear is connected with the driven bevel gear through a gear, and the driving bevel gear is connected with the motor through a rotating shaft. The heating device and the advancing device are connected with the electric control device through electric wires; and a positioning sleeve in the heating device is fixed with a bracket of the advancing device through a positioning screw.
The invention has the following advantages: the invention adopts a thermal compound bonding mode, can ensure that the inner and outer sealing strips and the hose base material at the joint are firmly bonded with each other, the strength at the joint meets the construction requirement, and the construction is ensured to be carried out smoothly; the used equipment can realize the bonding of the transverse joint, the mechanical property of the bonding part is stable, the equipment structure is simple and efficient, and the requirements of various occasions are met.
Drawings
FIG. 1 is a diagram of a cross-joint thermal compounding apparatus of the present invention;
FIG. 2 is a top view of the hose base butt and cross-fitting thermal compound apparatus of the present invention;
FIG. 3 is a diagram of a heating device of the apparatus of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a top plan view of the heating cartridge of the apparatus of the present invention;
FIG. 6 is a front view of the heating cartridge of the apparatus of the present invention;
FIG. 7 is a diagram of the traveling device of the apparatus of the present invention.
Description of the main sequence numbers in the figures
A: a guide rail; b: a traveling device; c: a heating device; d: an electric control device; c-1: a heating cartridge; c-1-1: a square hole; c-1-2: an inner seal strip channel; (C-2 and C-12): a temperature sensor; c-3: an outer welding gun; c-3-1: externally welding gun heads; (C-3-2 and C-10-1): a sleeve; (C-3-3 and C-10-2): a heating rod; c-4: a handle; (C-5 and C-9): an air inlet; (C-6 and C-8): a rotameter; c-7: a fan; c-10: an inner welding gun; c-10-3: an inner welding gun head; c-11: a positioning sleeve; c-13: a limiting strip; b-1: the stick can be movably penetrated; (B-2 and B-6): a support; b-3: a roller; b-5: a pressure roller; b-7: a set screw; (B-8, B-10, B-11 and B-14): a rolling gear; b-9: a motor; b-12: a drive bevel gear; b-13: a driven bevel gear; b-15: limiting socket.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a diagram of a cross-joint thermal compounding apparatus of the present invention; FIG. 2 is a top view of the hose base butt and cross-fitting thermal compound apparatus of the present invention; FIG. 3 is a diagram of a heating device of the apparatus of the present invention; FIG. 4 is a left side view of FIG. 3; FIG. 5 is a top plan view of the heating cartridge of the apparatus of the present invention; FIG. 6 is a front view of the heating cartridge of the apparatus of the present invention; FIG. 7 is a diagram of the traveling device of the apparatus of the present invention.
The utility model provides a preparation process of double-deck hose transverse joint is restoreed to pipeline normal position which characterized in that, hose transverse joint preparation flow does in proper order:
s1: the inner sealing strip (2-6) penetrates through the heating box (C-1) and is arranged on the flat plate (2-1), then the two sections of hose base materials (2-4) are respectively arranged on the heating box (C-1) in an aligned mode, and the seam (2-5) is aligned with the center line of the heating box (C-1) and is located right above the inner sealing strip (2-6);
s2: the guide rail (A) is arranged right above the seam (2-5) of the hose base material (2-4), and the seam (2-5) is ensured to be positioned on the center line of the guide rail (2-2);
s3: placing a transverse joint thermal compounding device (M) on the inner side of a guide rail (A), attaching rolling gears (B-8, B-10, B-11 and B-14) on two sides to the guide rail (2-2) to limit the position, placing an outer sealing strip (B-4) on a bracket (B-2), and placing one end of the outer sealing strip (B-4) between a base material joint (2-5) and a pressure roller (B-5) along a rolling shaft (B-3);
s4: starting a fan (C-7) and a heating device (C), pushing inner and outer welding guns (C-10 and C-3) downwards after the temperature of hot air rises to a set temperature, fixing after the inner welding gun head (C-10-3) is inserted into a corresponding position of a heating box (C-1), and simultaneously starting a travelling device (A); the hot air sent by the inner and outer welding gun heads (C-10-3 and C-3-1) melts the parts of the surface film layers of the inner and outer sealing strips (2-6 and B-4) and bonds the inner and outer sides of the seam (2-5); during the running process of the device, the outer sealing strip (B-4) is rolled out by the pressure roller (B-5), and the inner sealing strip (2-6 and the outer sealing strip (B-4) and the base material at the seam (2-5) are synchronously compacted by the pressure roller (B-5);
s5: after natural cooling, the inner and outer sealing strips (2-6 and B-4) are firmly bonded with the inner and outer sides of the hose base material (2-4) at the joint (2-5).
The invention provides a hose transverse joint bonding device, which comprises: a heating device (C), a traveling device (B) and an electric control device (D). The heating device (C) comprises a heating box (C-1), temperature sensors (C-2 and C-12), an outer welding gun (C-3), an outer welding gun head (C-3-1), sleeves (C-3-2 and C-10-1), heating rods (C-3-3 and C-10-2), a handle (C-4), air inlets (C-5 and C-9), a rotor flow meter (C-6 and C-8), a fan (C-7), an inner welding gun (C-10), an inner welding gun head (C-10-3), a positioning sleeve (C-11) and a limiting strip (C-13); the inner welding gun head and the outer welding gun head (C-10 and C-3) comprise sleeves (C-3-2 and C-10-1), heating rods (C-3-3 and C-10-2) and inner welding gun heads and outer welding gun heads (C-3-1 and C-10-3); the heating box (C-1) is provided with a square hole (C-1-1) and an inner sealing strip channel (C-1-2). The advancing device (B) comprises a movable penetrating rod (B-1), supports (B-2 and B-6), a rolling shaft (B-3), a pressure roller (B-5), a positioning screw (B-7), rolling gears (B-8, B-10, B-11 and B-14), a motor (B-9), a driving bevel gear (B-12), a driven bevel gear (B-13) and a limiting socket (B-15); wherein the rolling gears (B-8 and B-14) are connected with the driven bevel gear (B-13) through a rotating shaft; the driving bevel gear (B-12) is connected with the driven bevel gear (B-13) through a gear; the driving bevel gear (B-12) is connected with the motor (B-9) through a rotating shaft; the outer sealing strip (B-4) is placed on the bracket (B-2) through a movable penetrating rod (B-1), and the outer sealing strip (B-4) is driven by a pressure roller (B-5). The heating device (C) and the advancing device (B) are connected with the electric control device (D) through electric wires; a positioning sleeve (C-11) in the heating device (C) is fixed with a bracket (B-6) of the advancing device (B) through a positioning screw (B-7).
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent change and modification of the above embodiments according to the technical spirit of the present invention fall within the scope of the present invention.
Claims (8)
1. A method of bonding a transverse joint of a pipe in-situ repair hose, the method comprising the steps of:
s1: the inner sealing strip (2-6) penetrates through the heating box (C-1) and is arranged on the flat plate (2-1), then the two sections of hose base materials (2-4) are respectively arranged on the heating box (C-1) in an aligned mode, and the seam (2-5) is aligned with the center line of the heating box (C-1) and is located right above the inner sealing strip (2-6);
s2: the guide rail (A) is arranged right above the seam (2-5) of the hose base material (2-4), and the seam (2-5) is ensured to be positioned on the center line of the guide rail (2-2);
s3: placing a transverse joint thermal compounding device (M) on the inner side of a guide rail (A), attaching rolling gears (B-8, B-10, B-11 and B-14) on two sides to the guide rail (2-2) to limit the position, placing an outer sealing strip (B-4) on a bracket (B-2), and placing one end of the outer sealing strip (B-4) between a base material joint (2-5) and a pressure roller (B-5) along a rolling shaft (B-3);
s4: starting a fan (C-7) and a heating device (C), pushing inner and outer welding guns (C-10 and C-3) downwards after the temperature of hot air rises to a set temperature, fixing after the inner welding gun head (C-10-3) is inserted into a corresponding position of a heating box (C-1), and simultaneously starting a travelling device (A); the hot air sent by the inner and outer welding gun heads (C-10-3 and C-3-1) melts the parts of the surface film layers of the inner and outer sealing strips (2-6 and B-4) and bonds the inner and outer sides of the seam (2-5); during the running process of the device, the outer sealing strip (B-4) is rolled out by the pressure roller (B-5), and the inner sealing strip (2-6 and the outer sealing strip (B-4) and the base material at the seam (2-5) are synchronously compacted by the pressure roller (B-5);
s5: after natural cooling, the inner and outer sealing strips (2-6 and B-4) are firmly bonded with the inner and outer sides of the hose base material (2-4) at the joint (2-5).
2. The pipeline in-situ repair lining hose transverse joint bonding compound equipment as claimed in claim 1, wherein the inner sealing strip (2-6) is composed of non-woven fabrics and an impermeable membrane, and the material of the outer sealing strip (B-4) is the same as that of the base material impermeable membrane; the non-woven fabric surface of the hose base material (2-4) at the joint is bonded with the film layer of the inner sealing strip (2-6) to form an inner joint; and (3) bonding the hose substrate film layer at the joint with an outer sealing strip (B-4) to form an outer joint.
3. The bonding method for the transverse joint of the pipeline in-situ repair hose according to claim 1, further comprising a transverse joint bonding compound device (M), wherein the bonding compound device comprises a guide rail (A), a traveling device (B), a heating device (C) and an electric control device (D).
4. The pipe in-situ repair lining hose transverse joint bonding compound device according to claim 3, the device is characterized in that the heating device (C) comprises a heating box (C-1), temperature sensors (C-2 and C-12), an outer welding gun (C-3), an outer welding gun head (C-3-1), sleeves (C-3-2 and C-10-1), heating rods (C-3-3 and C-10-2), a handle (C-4), an air inlet (C-5 and C-9), a rotor flow meter (C-6 and C-8), a fan (C-7), an inner welding gun (C-10), an inner welding gun head (C-10-3), a positioning sleeve (C-11) and a limiting strip (C-13); the inner welding gun head and the outer welding gun head (C-10 and C-3) comprise sleeves (C-3-2 and C-10-1), heating rods (C-3-3 and C-10-2) and inner welding gun heads and outer welding gun heads (C-3-1 and C-10-3); the heating box (C-1) is provided with a square hole (C-1-1) and an inner sealing strip channel (C-1-2).
5. The pipeline in-situ repairing lining hose transverse joint bonding compound device as claimed in claim 3, wherein the advancing device (B) comprises a movable penetrating rod (B-1), brackets (B-2 and B-6), a roller (B-3), a pressure roller (B-5), a set screw (B-7), rolling gears (B-8, B-10, B-11 and B-14), a motor (B-9), a driving bevel gear (B-12), a driven bevel gear (B-13) and a limiting socket (B-15). Wherein the rolling gears (B-8 and B-14) are connected with the driven bevel gear (B-13) through a rotating shaft; the driving bevel gear (B-12) is connected with the driven bevel gear (B-13) through a gear; the driving bevel gear (B-12) is connected with the motor (B-9) through a rotating shaft.
6. The pipe in-situ repair lining hose transverse joint bonding compound equipment as claimed in claim 3, wherein the heating device (C) and the advancing device (B) are connected with the electric control device (D) through electric wires.
7. The pipeline in-situ repair double-layer hose transverse joint bonding and compounding device according to claim 4, wherein the external welding gun head (C-3-1) is positioned on a diagonal line between the pressure roller (B-5) and the joint (2-5), and the vertical distance between the air outlet and two tangent planes is 10-20 mm; the internal welding gun head (C-10-3) is positioned right above the square hole (C-1-1) of the heating box (C-1) and tangent to the square hole, and the air outlet of the internal welding gun head (C-10-3) is in a gradually expanding square shape and is provided with a plurality of small holes of 2-5mm which are symmetrically distributed.
8. The pipe in-situ repair lining hose transverse joint bonding compound equipment as claimed in claim 4 and claim 5, wherein the positioning sleeve (C-11) in the heating device (C) is fixed with the bracket (B-6) of the advancing device (B) through a positioning screw (B-7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288375.1A CN112984270B (en) | 2019-12-12 | 2019-12-12 | Method and equipment for adhering transverse joint of lining hose in pipeline in-situ repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911288375.1A CN112984270B (en) | 2019-12-12 | 2019-12-12 | Method and equipment for adhering transverse joint of lining hose in pipeline in-situ repair |
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| Publication Number | Publication Date |
|---|---|
| CN112984270A true CN112984270A (en) | 2021-06-18 |
| CN112984270B CN112984270B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911288375.1A Active CN112984270B (en) | 2019-12-12 | 2019-12-12 | Method and equipment for adhering transverse joint of lining hose in pipeline in-situ repair |
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| CN (1) | CN112984270B (en) |
Citations (9)
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| GB849222A (en) * | 1957-03-18 | 1960-09-21 | John Arthur | Heat-sealing |
| EP0863359A1 (en) * | 1997-03-07 | 1998-09-09 | Rothenberger Rohrsanierung GmbH | Method and apparatus for manufacturing a hose for lining of pipelines and channel systems |
| CN1231960A (en) * | 1999-02-12 | 1999-10-20 | 无锡市永大企业制造有限公司 | Method and apparatus for co-extrusion of plastics on internal surface of fusion welded metal tube |
| CN1456431A (en) * | 2003-05-30 | 2003-11-19 | 甘国工 | Method and apparatus for coating inner walls of plastic cylindrical films or cylindrical knitted products |
| CN101205759A (en) * | 2006-12-18 | 2008-06-25 | 里奥·马丁内兹 | Heat welding nozzle for sealing flooring seams |
| CN101846226A (en) * | 2010-05-26 | 2010-09-29 | 林永志 | Method for restoring lining of large pipeline or ditch by pouring resin on nail-embedded plastic plate |
| CN103442878A (en) * | 2011-01-04 | 2013-12-11 | 加恩伊拉格逊系统有限公司 | Apparatus and method of manufacturing pressure compensator type drip irrigation tubes with desired molecular orientation and tubes obtained thereby |
| CN106564218A (en) * | 2016-10-31 | 2017-04-19 | 大连华工创新科技股份有限公司 | Plastic composite board and forming equipment |
| CN108644527A (en) * | 2018-05-09 | 2018-10-12 | 天津水工业工程设备有限公司 | A kind of production method for pipeline in-situ immobilization liner hose |
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2019
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB849222A (en) * | 1957-03-18 | 1960-09-21 | John Arthur | Heat-sealing |
| EP0863359A1 (en) * | 1997-03-07 | 1998-09-09 | Rothenberger Rohrsanierung GmbH | Method and apparatus for manufacturing a hose for lining of pipelines and channel systems |
| CN1231960A (en) * | 1999-02-12 | 1999-10-20 | 无锡市永大企业制造有限公司 | Method and apparatus for co-extrusion of plastics on internal surface of fusion welded metal tube |
| CN1456431A (en) * | 2003-05-30 | 2003-11-19 | 甘国工 | Method and apparatus for coating inner walls of plastic cylindrical films or cylindrical knitted products |
| CN101205759A (en) * | 2006-12-18 | 2008-06-25 | 里奥·马丁内兹 | Heat welding nozzle for sealing flooring seams |
| CN101846226A (en) * | 2010-05-26 | 2010-09-29 | 林永志 | Method for restoring lining of large pipeline or ditch by pouring resin on nail-embedded plastic plate |
| CN103442878A (en) * | 2011-01-04 | 2013-12-11 | 加恩伊拉格逊系统有限公司 | Apparatus and method of manufacturing pressure compensator type drip irrigation tubes with desired molecular orientation and tubes obtained thereby |
| CN106564218A (en) * | 2016-10-31 | 2017-04-19 | 大连华工创新科技股份有限公司 | Plastic composite board and forming equipment |
| CN108644527A (en) * | 2018-05-09 | 2018-10-12 | 天津水工业工程设备有限公司 | A kind of production method for pipeline in-situ immobilization liner hose |
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|---|---|
| CN112984270B (en) | 2023-04-14 |
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