CN110735991A - method and equipment for fixing inner layer and outer layer of pipeline in-situ repair hose - Google Patents
method and equipment for fixing inner layer and outer layer of pipeline in-situ repair hose Download PDFInfo
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- CN110735991A CN110735991A CN201810800586.8A CN201810800586A CN110735991A CN 110735991 A CN110735991 A CN 110735991A CN 201810800586 A CN201810800586 A CN 201810800586A CN 110735991 A CN110735991 A CN 110735991A
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- hose
- layer
- hot air
- adhesive
- fixing
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 18
- 230000008439 repair process Effects 0.000 title claims abstract description 17
- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 21
- 239000003814 drug Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 238000003892 spreading Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 7
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides methods and equipment for fixing the inner layer and the outer layer of a hose for in-situ pipeline repair, wherein the method comprises the following steps of placing a sewn or welded inner layer hose on an outer layer sheet, fixing the end of the inner layer hose and the outer layer hose on a traction roller, fixing an adhesive device on the hose sheet, starting the traction device, adding an adhesive between the inner layer and the outer layer through a feeder in the advancing process, melting the adhesive through hot air, and bonding the inner layer and the outer layer tightly after natural cooling.
Description
Technical Field
The invention relates to the field of lining materials for repairing damaged pipelines, in particular to a preparation method of double-layer hoses for in-situ pipeline repair, and also provides equipment for bonding the inner layer and the outer layer of the double-layer hoses for in-situ pipeline repair.
Background
The urban drainage pipeline is an important premise and foundation for guaranteeing normal operation and healthy development of cities, and plays an important role in improving human living environment, enhancing comprehensive urban bearing capacity, improving urban operation efficiency and stably promoting novel urbanization.
The trenchless pipeline repairing technology is technologies for repairing underground pipelines under the conditions of trenchless and no excavation, the trenchless pipeline repairing technology can be used for performing functional repair, semi-structural repair and structural repair on various pipelines, China has numerous pipeline repairing enterprises with the trenchless technology, but the enterprises face severe problems, namely, more than 90% of trenchless pipeline repairing materials depend on import, the technical cost is high, the construction period is difficult to guarantee, China urgently needs pipeline in-situ repairing materials which are made in China, double-layer hoses have the advantage of good resin impregnation effect, the inner and outer layers of the double-layer hoses are important links, if the fixation is not firm, wrinkles are easily caused in the overturning construction process, and the construction quality is influenced, and methods for effectively solving the problem of bonding and fixing the inner and outer layers of the double-layer hoses are urgently needed.
Disclosure of Invention
The invention aims to provide methods for fixing the inner layer and the outer layer of a pipeline in-situ repair hose and equipment used by the method, and the method can ensure firm bonding between the inner layer and the outer layer of the hose.
method for preparing double-layer hose for pipeline in-situ repair, which is characterized in that the method for manufacturing the hose comprises the following steps in sequence;
s1: placing the inner hose (C2) which is sewn or welded on the outer sheet (C1) at the middle position, and aligning the two ends along the length direction;
s2, fixing the end of the placed double-layer material (C) on a traction device (B);
s3: fixing the adhesive fixing device (A) on the outer layer sheet material (C1) to clamp the inner layer hose (C2);
s4: starting the traction device (B), enabling the inner-layer hose (C2) and the outer-layer sheet (C1) to move simultaneously, and adding an adhesive between the inner-layer hose (C2) and the outer-layer sheet (C1) through a feeder (A4);
s5: the adhesive is melted by hot air blown by a hot air device (A5);
s6: after natural cooling, the inner layer hose (C2) and the outer layer sheet (C1) are firmly bonded with each other.
The fixing device for repairing the inner layer and the outer layer of the hose in situ in the pipeline in the step S1 comprises a traction device (B) and an adhesive fixing device (A), wherein the traction device (B) is arranged at the front end of the adhesive fixing device (A).
In the step S2, the drawing device (B) includes two drawing rollers, wherein are driving rollers are driven rollers, and the operation is started by the motor (D).
The step S3 is that the bonding device comprises a positioning screw (A1), a bracket (A2), a positioning screw (A3), a feeder (A4), a hot air device (A5), a pressure wheel (A6), a connecting rod (A7), a support beam (A8), a sleeve (A9) and a sleeve (A10); wherein the bracket (A2) is connected with the connecting rod (A7) through a sleeve (A9); fixing the position of the bracket (A2) by screwing the set screw (A1); the supporting beam (A8) is connected with the connecting rod (A7) through a sleeve (A10), and the position of the supporting beam (A8) is fixed by screwing a positioning screw (A3); the feeder (A4) is fixed on the support beam (A8) through a hook (A4-2); the hot air device (A5) is welded on the supporting beam (A8); the pressure wheel (A6) is connected with the corbel (A8) through a bolt (A11).
Wherein, the feeder (A4) in the step S4 comprises a medicine spreading hopper (A4-1), a hook (A4-2), a cloth lifting rod (A4-3), a spur gear (A4-4) and a hot air baffle (A4-5); the spur gear (A4-4) is connected with a spiral propelling piece (A4-6), and the spiral propelling piece (A4-6) is connected with the spur gear (A4-4) through a bolt (A4-7).
In step S4, the adhesive used is EVA glue, 165 glue, VBN glue, VNF glue, or the like; the adding amount is 100-200 g/h.
Wherein, the hot wind device (A5) in the step S5 comprises a hot wind gun sleeve (A5-1) and a hot wind guide pipe (A5-2); the bottom of the hot air guide pipe (A5-2) is provided with a vent hole (A5-3) which faces the direction of the central axis of the bonding and fixing device, and the aperture is 1mm-3 mm.
The equipment has the advantages that the mode of bonding the double-layer hose is adopted, the inner-layer hose and the outer-layer sheet can be effectively bonded , synchronous turnover of the inner layer and the outer layer of the hose in the construction process is effectively guaranteed, turnover construction quality is guaranteed, the equipment can be used for conveniently bonding the inner-layer hose and the outer-layer sheet, the bonding process is stable, the inner-layer hose and the outer-layer hose are smooth after bonding, uncertainty and instability in the manual bonding process are reduced, operation is safe, the equipment is simple in structure, and use is convenient.
Drawings
The accompanying drawings, which form a part hereof , are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, an illustrative embodiment of the invention and the description of the invention for purposes of explanation and not limitation, of the invention, wherein:
FIG. 1 is a schematic view of the inner and outer layer bonding apparatus
FIG. 2 top view of the inner and outer layer bonding apparatus
FIG. 3 is a schematic view showing the positions of the inner hose and the outer sheet
Figure 4 applicator diagram
FIG. 5 Hot air device
The symbols in the drawings illustrate that:
A. bonding and fixing device B, traction device C and double-layer material
D. Motor A1, set screw A2, support
A3 set screw A4, feeder A5, and hot air device
A6, pressure wheel A7, connecting rod A8 and support beam
A9, sleeve A10, sleeve A4-1, and medicine adding bucket
A4-2, hook A4-3, cloth lifting rod A4-4, spur gear
A4-5, hot air baffle A4-6, screw propulsion piece A4-7, bolt
A5-1, sleeve A5-2 of hot air gun, hot air guide pipe A5-3, and vent hole
C1, outer sheet C2, inner hose
Detailed Description
The present invention is described in further detail at with reference to the attached drawing figures.
As shown in fig. 1, the kinds of pipeline in-situ repair double-layer hose preparation process is characterized in that the hose preparation method comprises the following steps in sequence:
the method comprises the following steps of;
s1: placing the inner hose (C2) which is sewn or welded on the outer sheet (C1) at the middle position, and aligning the two ends along the length direction;
s2, fixing the end of the placed double-layer material (C) on a traction device (B);
s3: fixing the adhesive fixing device (A) on the outer layer sheet material (C1) to clamp the inner layer hose (C2);
s4: starting the traction device (B), enabling the inner-layer hose (C2) and the outer-layer sheet (C1) to move simultaneously, and adding an adhesive between the inner-layer hose (C2) and the outer-layer sheet (C1) through a feeder (A4);
s5: the adhesive is melted by hot air blown by a hot air device (A5);
s6: after natural cooling, the inner layer hose (C2) and the outer layer sheet (C1) are firmly bonded with each other.
The device for fixing the inner layer and the outer layer of the hose for in-situ pipeline repair comprises a traction device (B) and a bonding and fixing device (A), wherein the traction device (B) is arranged at the front end of the bonding and fixing device (A).
In the step S2, the drawing device (B) includes two drawing rollers, wherein are driving rollers are driven rollers, and the operation is started by the motor (D).
The bonding device comprises a positioning screw (A1), a bracket (A2), a positioning screw (A3), a feeder (A4), a hot air device (A5), a pressure wheel (A6), a connecting rod (A7), a support beam (A8), a sleeve (A9) and a sleeve (A10); wherein the bracket (A2) is connected with the connecting rod (A7) through a sleeve (A9); fixing the position of the bracket (A2) by screwing the set screw (A1); the supporting beam (A8) is connected with the connecting rod (A7) through a sleeve (A10), and the position of the supporting beam (A8) is fixed by screwing a positioning screw (A3); the feeder (A4) is fixed on the support beam (A8) through a hook (A4-2); the hot air device (A5) is welded on the supporting beam (A8); the pressure wheel (A6) is connected with the corbel (A8) through a bolt (A11).
Wherein the feeder (A4) comprises a medicine spreading hopper (A4-1), a hook (A4-2), a cloth lifting rod (A4-3), a spur gear (A4-4) and a hot air baffle (A4-5); the spur gear (A4-4) is connected with a spiral propelling piece (A4-6), and the spiral propelling piece (A4-6) is connected with the spur gear (A4-4) through a bolt (A4-7).
Wherein the adhesive refers to EVA glue, 165 glue, VBN glue, VNF glue and the like; the adding amount is 100-200 g/h.
Wherein the hot air device (A5) comprises a hot air gun sleeve (A5-1) and a hot air guide pipe (A5-2); the bottom of the hot air guide pipe (A5-2) is provided with a vent hole (A5-3) which faces the direction of the central axis of the bonding and fixing device, and the aperture is 1mm-3 mm.
Wherein, the inner layer hose (C2) which is sewn or welded is arranged right in the middle of the outer layer sheet material (C1). The placed double-layer material (C) is tightly pressed through the traction device (B), and the rolling of the traction device (B) drives the double-layer material (C) to move forwards. The bracket (A2) is arranged on two sides of the double-layer material and plays a role of supporting the device. A medicine spreading hopper (A4-1) is fixed on equipment through a hook (A4-2), a cloth lifting rod (A4-3) is arranged in the middle of a double-layer material and plays a role in lifting the two-layer material in the advancing process of the material, a spur gear (A4-4) is arranged on an outer-layer material and is driven to roll along with the advancing of the material, a spiral propelling piece (A4-6) in the material rotates to achieve the function of stirring and adding medicine powder, and a hot air baffle (A4-5) is arranged in the middle of the double-layer material (C) and aims to control the blowing direction of hot air. The powder adhesive used in the bonding process needs to be fully melted under hot air, the adhesive is pressed tightly by a pressure wheel (A6) after being melted, the temperature of the hot air is controlled between 350 ℃ and 400 ℃, and the bonding pressure is controlled between 5N/cm and 10N/cm2In the meantime.
Although embodiments of the present invention have been described in detail, it should be understood that they have been presented by way of example only, and not limitation.
Claims (7)
1, A method for in situ pipe repair of a hose inner and outer layer fixation, the method comprising the steps of:
s1: placing the inner hose (C2) which is sewn or welded on the outer sheet (C1) at the middle position, and aligning the two ends along the length direction;
s2, fixing the end of the placed double-layer material (C) on a traction device (B);
s3: fixing the adhesive fixing device (A) on the outer layer sheet material (C1) to clamp the inner layer hose (C2);
s4: starting the traction device (B), enabling the inner-layer hose (C2) and the outer-layer sheet (C1) to move simultaneously, and adding an adhesive between the inner-layer hose (C2) and the outer-layer sheet (C1) through a feeder (A4);
s5: the adhesive is melted by hot air blown by a hot air device (A5);
s6: after natural cooling, the inner layer hose (C2) and the outer layer sheet (C1) are firmly bonded with each other.
2. A method for in situ hose inner and outer layer fixation of pipeline according to claim 1, further comprising a device therefor, wherein the device comprises a pulling means (B) and an adhesive fixture (A), the pulling means (B) is disposed at the front end of the adhesive fixture (A).
3. The method for fixing the inner and outer layers of a pipe in-situ repair hose according to claim 1, wherein the adhesive used is of EVA adhesive, 165 adhesive, VBN adhesive and VNF adhesive, and the dosage is 100 g/h and 200 g/h.
4. Equipment for in situ restoration of the inner and outer layer of hose for pipeline according to claim 2, wherein the drawing device (B) is composed of two drawing rollers, of which are driving rollers and of which are driven rollers, and the operation is controlled by the motor (D).
5. The equipment for fixing the inner layer and the outer layer of the pipeline in-situ repair hose according to claim 2, wherein the bonding fixing device (A) comprises a positioning screw (A1), a bracket (A2), a positioning screw (A3), a feeder (A4), a hot air device (A5), a pressure wheel (A6), a connecting rod (A7), a supporting beam (A8), a sleeve (A9) and a sleeve (A10), wherein the bracket (A2) is connected with the connecting rod (A7) through the sleeve (A7), the position of the bracket (A7) is fixed by screwing the positioning screw (A7), the supporting beam (A7) is connected with the connecting rod (A7) through the sleeve (A7), the position of the supporting beam (A7) is fixed by screwing the positioning screw (A7), the feeder (A7) is fixed on the supporting beam (A7) through a hook (A7-2), and the hot air device (A7) is connected with the supporting beam (7) through a screw (7A 7) and the pressure wheel (7A 7) is connected with the hot air device (7A 7).
6. device for fixing the inner and outer layers of the pipe in-situ repair hose, according to claim 5, wherein the feeder (A4) comprises a medicine spreading hopper (A4-1), a hook (A4-2), a cloth lifting rod (A4-3), a spur gear (A4-4), and a hot air baffle (A4-5), the spur gear (A4-4) is connected with a spiral propelling piece (A4-6), and the spiral propelling piece (A4-6) is connected with the spur gear (A4-4) through a bolt (A4-7).
7. The device for fixing the inner and outer layers of the hose for in-situ pipeline repair according to claim 5, wherein the hot air device (A5) comprises a hot air gun sleeve (A5-1) and a hot air guide pipe (A5-2), the bottom of the hot air guide pipe (A5-2) is provided with a vent hole (A5-3) which faces the direction of the central axis of the bonding and fixing device and has a hole diameter of 1mm-3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800586.8A CN110735991B (en) | 2018-07-20 | 2018-07-20 | Method and equipment for fixing inner layer and outer layer of pipeline in-situ repair hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800586.8A CN110735991B (en) | 2018-07-20 | 2018-07-20 | Method and equipment for fixing inner layer and outer layer of pipeline in-situ repair hose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110735991A true CN110735991A (en) | 2020-01-31 |
| CN110735991B CN110735991B (en) | 2024-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810800586.8A Active CN110735991B (en) | 2018-07-20 | 2018-07-20 | Method and equipment for fixing inner layer and outer layer of pipeline in-situ repair hose |
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| Country | Link |
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| CN (1) | CN110735991B (en) |
Citations (8)
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|---|---|---|---|---|
| RU2145029C1 (en) * | 1998-01-15 | 2000-01-27 | Дрейцер Владимир Исаакович | Method for pipeline facing |
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2018
- 2018-07-20 CN CN201810800586.8A patent/CN110735991B/en active Active
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| CN110735991B (en) | 2024-07-16 |
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