CN115451235B - Pipeline non-excavation prosthetic devices - Google Patents
Pipeline non-excavation prosthetic devices Download PDFInfo
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- CN115451235B CN115451235B CN202211409705.XA CN202211409705A CN115451235B CN 115451235 B CN115451235 B CN 115451235B CN 202211409705 A CN202211409705 A CN 202211409705A CN 115451235 B CN115451235 B CN 115451235B
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- pipeline
- driving
- driving arm
- arm
- roller
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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
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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
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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
- F16L55/26—Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
- F16L55/28—Constructional aspects
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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
- F16L55/26—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
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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
- F16L2101/00—Uses or applications of pigs or moles
- F16L2101/10—Treating the inside of pipes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The application relates to a pipeline non-excavation repairing device, which comprises a cylinder body, wherein two ends of the cylinder body are respectively provided with a retainer, the retainer is provided with a plurality of supporting wheels which are abutted against the inner wall of a pipeline, the cylinder body is rotationally connected with a driving arm around the axis of the cylinder body, the driving arm is arranged along the radial direction of the cylinder body, the cylinder body is provided with a first driving structure for driving the driving arm to rotate, one end of the driving arm is provided with an unwinding roller, a repairing film is wound on the unwinding roller, and the driving arm is also provided with a cutting structure for cutting off the repairing film; an inflation tube penetrates through the cylinder body and is fixed, a transparent air bag column is arranged at one end of the inflation tube, and an inflation structure is arranged at the other end of the inflation tube; an ultraviolet UV lamp is arranged in the air bag column. This application unreels through the restoration membrane of unreeling the roller to and the cutting off of cutting off the structure, can place laminating restoration membrane in proper order in a plurality of damaged departments of pipeline, then once only support a plurality of restoration membranes through the expanded gasbag post, solidify when in order to realize a plurality of restoration membranes, greatly shortened repair cycle.
Description
Technical Field
The application relates to the field of pipeline repair, in particular to a pipeline trenchless repairing device.
Background
Along with the long-time use of urban sewage drainage pipe, various defects appear easily, if damaged seepage, and then lead to appearing the environmental pollution accident, for guaranteeing sewage drainage pipe's normal operating, just need in time restore the pipeline.
The existing pipeline repairing method comprises an excavation repairing mode and a non-excavation repairing mode. The excavation type repair has the problems of large engineering quantity, manpower and material consumption and the like, and compared with the non-excavation type repair, the excavation type repair has the advantages of small engineering quantity, manpower and material consumption saving, small influence on the surrounding environment and the like.
The existing common trenchless pipeline repairing method mainly adopts an ultraviolet light curing method. The method comprises the following steps: the method comprises the steps of winding a repair film impregnated with a UV curing agent on a pipeline repair air bag, conveying the pipeline repair air bag to a damaged part in a pipeline, inflating the pipeline repair air bag to expand the air bag, enabling the repair film to be attached to a sewage discharge pipeline to cover the damaged part, enabling the pipeline repair air bag to keep a certain pressure, starting an ultraviolet lamp body of the pipeline repair air bag until the UV curing agent wound in the repair film of the pipeline repair air bag is cured, and achieving curing of the repair film.
In view of the above-mentioned related technologies, the inventor believes that when a plurality of damages occur on the whole sewage pipeline, the repairing mode needs to be adopted for repairing for a plurality of times, and the repairing period is long.
Disclosure of Invention
In order to accomplish the restoration of many damaged departments fast, the application provides a pipeline trenchless prosthetic devices.
The application provides a pipeline non-excavation prosthetic devices adopts following technical scheme:
the non-excavation pipeline repairing device comprises a cylinder body, wherein two ends of the cylinder body are respectively provided with a retainer, the retainer is provided with a plurality of supporting wheels which are used for abutting against the inner wall of a pipeline, the cylinder body is rotatably connected with a driving arm around the axis of the cylinder body, the driving arms are arranged along the radial direction of the cylinder body, the cylinder body is provided with a first driving structure used for driving the driving arms to rotate, one end of each driving arm is provided with an unwinding roller, a repairing film is wound on the unwinding roller, and a cutting structure used for cutting off the repairing film is further arranged on each driving arm; an inflation tube penetrates through and is fixed on the cylinder body, a transparent air bag column is arranged at one end of the inflation tube, and an inflation structure is arranged at the other end of the inflation tube; an ultraviolet UV lamp is arranged in the air bag column.
By adopting the technical scheme, when the ultraviolet curing lamp is used, the cylinder body is placed into the pipeline, so that the cylinder body moves along the pipeline, when the ultraviolet curing lamp moves to a damaged position, the outer surface of the starting end of the repairing film on the unreeling roller is abutted to the inner circumferential surface of the pipeline, then the first driving structure is started to drive the unreeling roller to rotate around the axis of the pipeline, in the process, the unreeling roller continuously unreels through the friction force and the bonding force between the repairing film and the inner circumferential surface of the pipeline, after the driving arm rotates for a circle, the repairing film on the unreeling roller is unreeled and attached to the inner circumferential surface of the pipeline for a circle, namely, the damaged position is completely covered, then the cutting structure is started to cut the repairing film, namely, the repairing film which covers a circle is left on the inner circumferential surface of the pipeline, then the cylinder body continuously moves to the next damaged position, the operation is repeated to cover the damaged position until the plurality of damaged positions in the pipeline are completely covered, at the moment, the cylinder body is moved out of the pipeline, meanwhile, the deflated air bag column is also pulled to penetrate through the pipeline when the cylinder body moves, then the inflating structure is started, the air bag column expands, the air column simultaneously outwards supports the plurality of the repairing films outwards, and the ultraviolet curing film is further attached to be attached to the ultraviolet curing film.
Namely, the jointed repairing films are sequentially placed at a plurality of damaged parts of the pipeline, and then the plurality of repairing films are tightly propped through the expanded air bag columns at one time, so that the plurality of repairing films are cured at the same time, and the repairing period is greatly shortened.
Optionally, the driving arm is a telescopic arm which is telescopic along the length direction of the driving arm, and the driving arm is provided with a second driving structure for controlling the self-telescopic.
Through adopting above-mentioned technical scheme, through setting up second drive structure to it is flexible to drive the actuating arm, thereby is adapted to the laminating of the restoration membrane of the pipeline of different diameters and covers, and the suitability is better, and better unreels.
Optionally, the driving arm is provided with a swing rod, one end of the swing rod is hinged to the driving arm, and a torsion spring is arranged at the hinged position and used for forcing the free end of the swing rod to swing towards the inner wall of the pipeline; and the free end of the oscillating bar is provided with a resisting roller, the resisting roller is parallel to the unwinding roller, and the resisting roller is positioned behind the unwinding roller along with the movement direction of the driving arm.
By adopting the technical scheme, in the process that the driving arm rotates to drive the repairing film to gradually cover the inner circumferential surface of the pipeline, the torsion spring forces the swing rod to swing, so that the tightening roller is more tightly abutted against the inner circumferential surface of the repairing film, the fitting effect of the repairing film and the pipeline is improved, namely the pre-fixing effect is better, and the subsequent expansion and reinforcement of the air bag column are facilitated; and the abutting roller abuts against and presses the repairing film which is just covered in time, so that air between the repairing film and the pipeline is exhausted in time, the continuous abutting direction is consistent with the covering direction of the repairing film, and the repairing film can be better attached to the pipeline.
Optionally, a scotch tape is pasted on the outer surface of the long side of the repair film, and a partial structure of the scotch tape extends to the outer side of the repair film; the length of supporting the tight roller equals the width of repairing membrane, the tip of supporting the tight roller is coaxial to be equipped with supports the tight wheel, supports between tight wheel and the supporting roller through spring fixed connection, support the tight wheel and support the diameter difference between the tight roller and equal to the twice of the thickness of repairing membrane.
By adopting the technical scheme, the tightening roller and the tightening wheel can firmly attach the transparent adhesive tape to the repairing film and the inner circumferential surface of the pipeline, so that the pre-fixing effect between the repairing film and the pipeline is improved, and the condition that the repairing film falls off is reduced; and, the setting of spring can increase the tight effect of supporting tight wheel.
Optionally, the number of the ultraviolet UV lamps is multiple, each ultraviolet UV lamp is connected in series through a connecting rope, plugs are fixed at two ends of the air bag column, and two ends of the connecting rope are respectively fixedly connected with the plug at one end; when the air bag column is inflated, the connecting rope and the air bag column are coaxially arranged.
Through adopting above-mentioned technical scheme, a plurality of ultraviolet UV lamps can make the inside comparatively even ultraviolet light that forms of pipeline to improve the solidification effect, secondly, when the gasbag post inflation, will hang and connect the rope, make the ultraviolet UV lamp on the connection rope be in the axis department of gasbag post, thereby improve the solidification homogeneity.
Optionally, be equipped with a plurality of heater strips of arranging along connecting rope length direction interval on connecting the rope, just be equipped with the fan that is located between two adjacent heater strips on connecting the rope.
By adopting the technical scheme, firstly, the heating wire can increase the curing temperature to accelerate curing and shorten the repair period; secondly, the combination of the heating wires and the fan can greatly improve the hot air circulation in the air bag column, thereby improving the heat exchange efficiency and accelerating the solidification; and thirdly, in the curing process of the repairing film, the curing agent shrinks, so that a gap is formed between the repairing film and the pipeline, air in the air bag column is heated and expanded through heating of the heating wire, the diameter of the air bag column is increased, the gap formed between the repairing film and the pipeline is effectively compensated, and the stability of the curing effect is improved.
Optionally, the driving arm is provided with a camera for observing the damaged position of the pipeline; the driving arm is provided with a release assembly, the release assembly is used for releasing the transparent plugging ring to enable the plugging ring to be bonded on the inner circumferential surface of the corresponding pipeline damage position of the repairing film, and the plugging ring covers the pipeline damage position.
By adopting the technical scheme, the specific position of the damaged position of the pipeline can be determined through the camera, and then after the repairing film covers the position and the releasing assembly is opposite to the position, the releasing assembly is started to release the plugging ring to enable the plugging ring to block the damaged position of the pipeline, so that the flowability of the curing agent at the position is reduced, the thickness of the curing body at the position is kept stable, and the repairing effect is improved; and when the air bag column expands, the plugging ring is forced to be more tightly attached to the repairing film, so that the confining effect of the plugging ring on the damaged part is stronger, namely a solidified body of a blocking structure is formed at the confining position, and the solidified body can effectively prevent external impurities from permeating into a gap between the repairing film and the pipeline through the damaged part, so that the protection effect is greatly improved.
Optionally, the blocking ring sequentially comprises a first inclined part and a second inclined part along the diameter direction of the blocking ring, an obtuse angle is formed between the first inclined part and the second inclined part, the first inclined part and the second inclined part are connected at close sides, an opening is formed between the separated sides of the first inclined part and the second inclined part, and when the blocking ring is attached to the inner circumferential surface of the repair film at the corresponding pipeline damage position, the opening of the blocking ring faces the repair film.
By adopting the technical scheme, when the plugging ring is attached to the outer peripheral surface of the repairing film, part of the curing agent on the repairing film is collected and constrained between the first inclined part and the second inclined part to form an opening, namely the thickness of the curing agent is larger, so that the strength of the blocked curing body is larger, and the protection can be better realized; and after the repair is finished, the pipeline is put into use, water flow in the pipeline impacts the outer inclined surface of the inclined part of the plugging ring, and the component force of the impact force forces the plugging ring to be more attached to the repair film so as to more firmly enclose the damaged part and strengthen the protection effect.
Optionally, the release assembly comprises a connecting arm which stretches out and draws back along the radial direction of the cylinder and a third driving structure which is used for driving the connecting arm to stretch out and draw back, one end of the connecting arm is fixedly connected with the driving arm, the other end of the connecting arm is provided with a sleeve, a plurality of plugging rings are stacked in the sleeve, the surfaces of the first inclined part and the second inclined part are provided with adhesive layers, and the adhesive layers are adhered to the inner wall of the sleeve; one end of the sleeve is provided with a fourth driving structure, and the fourth driving structure is used for pushing the plugging ring out of the outlet of the sleeve.
By adopting the technical scheme, the connecting arm moves to the position corresponding to the damage of the pipeline under the driving of the first driving structure, the outlet of the sleeve is just opposite to the inner circumferential surface of the repairing film covering the damaged position at the moment, the third driving structure is started, so that the connecting arm extends, the sleeve is closer to the inner circumferential surface of the repairing film, then the fourth driving structure is started, the plugging ring is pushed out of the outlet of the sleeve, and the plugging ring is adhered to the repairing film through the adhesive layer.
The arrangement of the adhesive layer can facilitate quick bonding and fixing of the plugging ring on the inner surface of the repairing film after the plugging ring is released, and the adhesive layer is bonded with the inner wall of the sleeve to form damping of sliding release of the plugging ring, namely the plugging ring is released only under the action of the fourth driving structure, so that the influence of gravity is reduced.
Optionally, the first inclined portion and the second inclined portion are connected through a light-gathering ring, the cross section of the light-gathering ring is elliptical, and the long axis of the ellipse is arranged along the radial direction of the light-gathering ring.
Through adopting above-mentioned technical scheme, oval sectional spotlight ring has the spotlight effect for the ultraviolet ray gathers in the contained angle region between first rake and the second rake, thereby accelerates the solidification rate of the solidification body of great thickness in this contained angle region, thereby improves the restoration protective effect of restoration efficiency and key point position.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through unwinding of the repairing films of the unwinding roller and cutting of the cutting structure, the adhered repairing films can be sequentially placed at a plurality of damaged positions of the pipeline, and then the plurality of repairing films are tightly abutted at one time through the expanded air bag columns, so that simultaneous curing of the plurality of repairing films is realized, and the repairing period is greatly shortened;
2. the heating wires are arranged, so that the curing temperature can be increased, the curing is accelerated, the repair period is shortened, and the air in the air bag column is heated to expand, so that the gap formed between the repair film and the pipeline is effectively compensated, and the stability of the curing effect is improved;
3. through setting up the shutoff ring to enclose the damaged department of pipeline, make the thickness of the solidification body of damaged position remain stable, thereby improve the repair effect, and this solidification body can effectively prevent outside impurity through damaged department and permeate in the gap between repair membrane and the pipeline, thereby greatly improve the protective effect.
Drawings
Fig. 1 is a schematic view of the entire structure of embodiment 1.
Fig. 2 is a schematic diagram for embodying the cartridge structure of example 1.
Fig. 3 is a cross-sectional view of a repair film of example 1.
Fig. 4 is a schematic structural view of the abutment roller of embodiment 1.
FIG. 5 is a schematic view for embodying the internal structure of an airbag column of example 1.
Fig. 6 is a schematic diagram for embodying the cartridge structure of example 2.
Fig. 7 is a schematic structural view of a release assembly of embodiment 2.
Fig. 8 is a cross-sectional view of the occluding ring of example 2.
Description of reference numerals: 1. a barrel; 2. unwinding rollers; 3. a swing rod; 5. an air bag column; 6. a release assembly; 7. a plugging ring; 10. a pipeline; 11. a holder; 12. a support wheel; 13. a collar; 14. a first drive structure; 15. a drive arm; 16. a second drive structure; 17. an inflation tube; 18. a camera; 21. repairing the film; 211. a transparent adhesive tape; 31. a tightening roller; 32. a tightening wheel; 33. a spring; 41. an oil cylinder; 42. a cutter; 51. a plug; 52. connecting ropes; 53. an Ultraviolet (UV) lamp; 54. heating wires; 55. a fan; 61. a connecting arm; 62. a strut; 63. a third drive structure; 64. a sleeve; 65. a fourth drive configuration; 651. pressing a plate; 71. a first inclined portion; 72. a second inclined portion; 73. a light gathering ring; 74. and (6) an adhesive layer.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
The embodiment 1 of the application discloses a pipeline trenchless repairing device.
Referring to fig. 1 and 2, the trenchless pipeline repairing device comprises a cylinder body 1, wherein two ends of the cylinder body 1 are respectively provided with a retainer 11, the retainers 11 are in an outward expansion state, the tail end of each retainer 11 is provided with a plurality of supporting wheels 12, the supporting wheels 12 are uniformly distributed along the circumferential direction of the cylinder body 1, and the supporting wheels 12 are abutted against the inner wall of a pipeline 10 so as to ensure that the cylinder body 1 is located at the axial position of the pipeline 10; moreover, a self-propelled wheel or a traction rope can be arranged on the cylinder 1 so as to facilitate the cylinder 1 to move in the pipeline 10.
Barrel 1 is connected with actuating arm 15 around self axis rotation, specifically do, actuating arm 15 radially sets up along barrel 1, the one end of actuating arm 15 is fixed with the lantern ring 13, lantern ring 13 rotates the cover and locates on barrel 1, in order to realize the rotation between actuating arm 15 and the barrel 1 and be connected, be equipped with first drive structure 14 on barrel 1, first drive structure 14 is including installing driving motor (not marking in the figure) on barrel 1, driving motor passes through the transmission of gear ring in order to drive lantern ring 13 and rotate, thereby drive actuating arm 15 rotates around barrel 1.
As shown in fig. 2, the driving arm 15 is a telescopic arm that is telescopic along its length direction, and the driving arm 15 is provided with a second driving structure 16 for controlling its own telescopic movement, the second driving structure 16 may be an electric push rod, a main body of the second driving structure 16 is connected to a fixed end of the driving arm 15, and a driving end of the second driving structure 16 is connected to a telescopic end of the driving arm 15, so that the length of the corresponding driving arm 15 can be adjusted according to the specific diameter of the pipeline 10.
As shown in fig. 2 and 3, an unwinding roller 2 is arranged at the telescopic end of the driving arm 15, the unwinding roller 2 is positioned between two holding frames, the unwinding roller 2 is parallel to the axis of the cylinder 1, a repairing film 21 is wound on the unwinding roller 2, a transparent adhesive tape 211 is pasted on the outer surface of the long side of the repairing film 21, and part of the structure of the transparent adhesive tape 211 extends to the outer side of the repairing film 21 along the width direction of the transparent adhesive tape 211.
As shown in fig. 2 and 4, the driving arm 15 is provided with a swing link 3, specifically, one end of the swing link 3 is hinged to the driving arm 15, the hinge axis is parallel to the axis of the unwinding roller 2, a torsion spring (not shown in the figure) is provided at the hinge between one end of the swing link 3 and the driving arm 15, and the torsion spring is used for forcing the free end of the swing link 3 to swing towards the inner wall of the pipeline 10; the free end of the swing rod 3 is provided with a resisting roller 31, the resisting roller 31 is parallel to the unwinding roller 2, the length of the resisting roller 31 is equal to the width of the repairing film 21, the resisting roller 31 is located behind the unwinding roller 2 along the movement direction of the driving arm 15, the end part of the resisting roller 31 is provided with a resisting wheel 32, specifically, the resisting wheel 32 is fixedly connected with the resisting roller 31 through a spring 33, the resisting wheel 32 is coaxially arranged with the resisting roller 31, the diameter difference between the resisting wheel 32 and the resisting roller 31 is equal to twice the thickness of the repairing film 21, namely, when the repairing film 21 is laid on the inner wall of the pipeline 10, the resisting roller 31 is used for resisting the inner circumferential surface and the long side edge of the repairing film 21, and the resisting wheel 32 is used for adhering the transparent adhesive tape 211 on the inner wall of the pipeline 10.
As shown in fig. 2, the driving arm 15 is further provided with a cutting structure, and after the repairing film 21 is laid for one circle, the cutting structure can shear the repairing film 21, namely, the repairing film 21 which covers one circle is left on the inner circumferential surface of the pipeline 10; the cutting structure comprises an oil cylinder 41 and a cutter 42, the main body of the oil cylinder 41 is fixedly connected with the driving arm 15, the cutter 42 is positioned between the unwinding roller 2 and the resisting roller 31, the cutter 42 is parallel to the unwinding roller 2, the length of the cutter 42 is larger than the width of the repairing film 21, and the cutter 42 is fixedly connected with the telescopic end of the oil cylinder 41, namely the cutter 42 is driven by the oil cylinder 41 to move towards the repairing film 21 so as to cut the repairing film 21 and the transparent adhesive tape 211.
As shown in fig. 1 and 5, an inflation tube 17 is fixed on the cylinder 1 in a penetrating manner, the rear end of the inflation tube 17 is connected with the transparent airbag column 5, the front end of the inflation tube 17 is stretched to the ground and connected with an inflation structure (not shown in the figure), the inflation structure can be an air compressor, that is, when the cylinder 1 advances to penetrate through the pipeline 10, the deflated airbag column 5 is driven to penetrate through the pipeline 10. The two ends of the air bag column 5 are both fixed with plugs 51, one plug 51 is connected with the rear end of the inflation tube 17, a connecting rope 52 is fixedly connected between the two plugs 51, the connecting rope 52 is located at the axis of the air bag column 5, a plurality of ultraviolet UV lamps 53 which are arranged at intervals along the length direction of the connecting rope 52 are arranged on the connecting rope 52, meanwhile, a plurality of heating wires 54 are arranged on the connecting rope 52, the heating wires 54 are arranged at intervals along the length direction of the connecting rope 52, and a fan 55 which is located between the two adjacent heating wires 54 is arranged on the connecting rope 52.
The implementation principle of the embodiment 1 is as follows: when the repairing film 21 and the pipeline 10 are used, the cylinder body 1 is placed into the pipeline 10, the cylinder body 1 moves along the pipeline 10, when the cylinder body 1 moves to a damaged position, the second driving structure 16 is started to drive the driving arm 15 to extend, the outer surface of the starting end of the repairing film 21 on the unreeling roller 2 is abutted to the inner circumferential surface of the pipeline 10, then the first driving structure 14 is started to drive the unreeling roller 2 to rotate around the axis of the pipeline 10, during the process, the unreeling roller 2 is continuously unreeled through the friction force between the repairing film 21 and the inner circumferential surface of the pipeline 10 and the bonding force between the transparent adhesive tape 211 and the pipeline 10, and meanwhile, the transparent adhesive tape 211 can be more firmly attached to the repairing film 21 and the inner circumferential surface of the pipeline 10 through the abutting roller 31 and the abutting wheel 32, so that the pre-fixing effect between the repairing film 21 and the pipeline 10 is improved, and the condition that the repairing film 21 falls off is reduced.
After the driving arm 15 rotates for a circle, the repairing film 21 on the unwinding roller 2 is unwound and attached to the inner circumferential surface of the pipeline 10 for a circle, namely the damaged part is completely covered, then the cutting structure is started to cut the repairing film 21, namely the repairing film 21 covering a circle is left on the inner circumferential surface of the pipeline 10, then the second driving structure 16 contracts the driving arm 15, the cylinder body 1 continues to move to the next damaged part, and the operation is repeated to cover the damaged part until the plurality of damaged parts in the pipeline 10 are completely covered.
At this time, the cylinder 1 is removed from the pipeline 10, and at the same time, the deflated airbag pillar 5 penetrates the pipeline 10, and then the inflation structure is activated, the airbag pillar 5 is inflated, the airbag pillar 5 simultaneously supports the plural repair films 21 outward so that the plural repair films 21 simultaneously adhere to the inner peripheral surface of the pipeline 10, and then the ultraviolet UV lamp 53, the heater wire 54, and the blower 55 are activated to cure the repair films 21.
In summary, the plurality of repairing films 21 are sequentially placed at the plurality of damaged positions of the pipeline 10 and tightly abutted against the plurality of repairing films 21 at one time through the expanded air bag column 5, so that the plurality of repairing films 21 are cured at the same time, and the repairing period is greatly shortened.
Embodiment 2, based on embodiment 1, as shown in fig. 6 and 7, an arrangement is made that the driving arm 15 is provided with a camera 18 and a release assembly 6, where the camera 18 is used for observing a damaged position of the pipeline 10, the release assembly 6 includes a connecting arm 61 and a third driving structure 63 for driving the connecting arm 61 to stretch and contract, where one end of the connecting arm 61 is fixedly connected with the driving arm 15 through a strut 62, the connecting arm 61 is arranged along a radial direction of the cylinder 1, the third driving structure 63 may be an electric push rod, a main body of the third driving structure 63 is connected with a fixed end of the connecting arm 61, and a driving end of the third driving structure 63 is connected with a stretching end of the connecting arm 61; the one end of keeping away from barrel 1 of connecting arm 61 is equipped with sleeve 64, the one end of keeping away from connecting arm 61 of sleeve 64 is equipped with the export, a plurality of shutoff rings 7 have been stacked along self axis in the sleeve 64, shutoff ring 7 is the transparent rubber material, and the one end of keeping away from the export of sleeve 64 is equipped with fourth drive structure 65, fourth drive structure 65 can be the combination of electric putter and clamp plate 651, the drive direction of fourth drive structure 65 is on a parallel with the length direction of sleeve 64, fourth drive structure 65 is used for pushing out the export of sleeve 64 with shutoff ring 7 one by one.
As shown in fig. 8, the plugging ring 7 includes a first inclined portion 71, a light-gathering ring 73 and a second inclined portion 72 connected in sequence along the diameter direction thereof, wherein an obtuse angle is formed between the first inclined portion 71 and the second inclined portion 72, the adjacent sides between the first inclined portion 71 and the second inclined portion 72 are connected through the light-gathering ring 73, an opening is formed between the separated sides between the first inclined portion 71 and the second inclined portion 72, the surfaces of the first inclined portion 71 and the second inclined portion 72 are both provided with an adhesive layer 74, and the adhesive layer 74 is adhered to the inner wall of the sleeve 64; the light-gathering ring 73 has an oval cross-section, and the major axis of the oval is arranged along the radial direction of the light-gathering ring 73.
The implementation principle of the embodiment 2 is as follows: through the camera 18, the specific position of the damaged part of the pipeline 10 can be determined, then after the repairing film 21 covers the position and the outlet of the sleeve 64 of the releasing assembly 6 is opposite to the position, the third driving structure 63 is started, so that the connecting arm 61 is extended, the sleeve 64 is closer to the inner circumferential surface of the repairing film 21, then the fourth driving structure 65 is started, the single plugging ring 7 is pushed out of the outlet of the sleeve 64, the plugging ring 7 is glued on the repairing film 21 through the adhesive layer 74, the released plugging ring 7 encircles the damaged part of the pipeline 10, and other plugging rings 7 cannot be released all at one time due to the fact that the plugging rings are glued with the inner wall of the sleeve 64.
In this way, part of the curing agent on the repair film 21 is collected and constrained at the opening between the first inclined part 71 and the second inclined part 72, so that the thickness of the cured body at the position is kept stable, thereby improving the repair effect, and the light-gathering ring 73 with the elliptical cross section has the light-gathering effect, so that the ultraviolet rays are gathered in the included angle area between the first inclined part 71 and the second inclined part 72, thereby accelerating the curing speed of the cured body with larger thickness in the included angle area, thereby improving the repair efficiency and the repair protection effect of key points.
And an annular solidified body of a blocking structure is formed at the confining position, and the solidified body can effectively prevent external impurities from permeating into a gap between the repairing film 21 and the pipeline 10 through a damaged position, so that the protection effect is greatly improved.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a pipeline trenchless repair device which characterized in that: the pipe fitting comprises a barrel body (1), wherein retainers (11) are arranged at two ends of the barrel body (1), a plurality of supporting wheels (12) used for abutting against the inner wall of a pipeline (10) are arranged on the retainers (11), a driving arm (15) is rotationally connected to the barrel body (1) around the axis of the barrel body, the driving arm (15) is radially arranged along the barrel body (1), a first driving structure (14) used for driving the driving arm (15) to rotate is arranged on the barrel body (1), an unwinding roller (2) is arranged at one end of the driving arm (15), a repairing film (21) is wound on the unwinding roller (2), and a cutting structure used for cutting off the repairing film (21) is further arranged on the driving arm (15); an inflation tube (17) penetrates through and is fixed on the cylinder body (1), a transparent air bag column (5) is arranged at one end of the inflation tube (17), and an inflation structure is arranged at the other end of the inflation tube (17); an Ultraviolet (UV) lamp (53) is arranged in the air bag column (5); the driving arm (15) is provided with a camera (18) for observing the damage position of the pipeline (10); the driving arm (15) is provided with a release assembly (6), the release assembly (6) is used for releasing the transparent plugging ring (7) to enable the plugging ring (7) to be bonded on the inner circumferential surface of the damaged part of the pipeline (10) corresponding to the repairing film (21), and the damaged part of the pipeline (10) is encircled by the plugging ring (7); the blocking ring (7) sequentially comprises a first inclined part (71) and a second inclined part (72) along the diameter direction of the blocking ring, an obtuse angle is formed between the first inclined part (71) and the second inclined part (72), the first inclined part (71) is connected with the second inclined part (72) at the close side, an opening is formed between the first inclined part (71) and the second inclined part (72) at the separated side, and when the blocking ring (7) is attached to the inner circumferential surface of the corresponding damaged pipeline (10) of the repairing film (21), the opening of the blocking ring (7) faces the repairing film (21).
2. The trenchless pipeline rehabilitation apparatus of claim 1, wherein: the driving arm (15) is a telescopic arm which can be stretched along the length direction of the driving arm, and the driving arm (15) is provided with a second driving structure (16) for controlling the stretching of the driving arm.
3. The trenchless pipeline rehabilitation apparatus of claim 1 or 2, wherein: the driving arm (15) is provided with a swing rod (3), one end of the swing rod (3) is hinged with the driving arm (15), a torsion spring is arranged at the hinged position, and the torsion spring is used for forcing the free end of the swing rod (3) to swing towards the inner wall of the pipeline (10); the free end of pendulum rod (3) is equipped with and supports tight roller (31), support tight roller (31) with unreel roller (2) and parallel, support tight roller (31) and be located unreel roller (2) along with the rear of actuating arm (15) direction of motion.
4. The trenchless rehabilitation apparatus of claim 3, wherein: a transparent adhesive tape (211) is pasted on the outer surface of the long side edge of the repairing film (21), and part of the structure of the transparent adhesive tape (211) extends to the outer side of the repairing film (21); the length of the resisting roller (31) is equal to the width of the repairing film (21), the end part of the resisting roller (31) is coaxially provided with a resisting wheel (32), the resisting wheel (32) is fixedly connected with the resisting roller (31) through a spring (33), and the diameter difference between the resisting wheel (32) and the resisting roller (31) is equal to twice the thickness of the repairing film (21).
5. The trenchless rehabilitation apparatus of claim 1, wherein: the air bag column is characterized in that a plurality of ultraviolet UV lamps (53) are arranged, the ultraviolet UV lamps (53) are connected in series through connecting ropes (52), plugs (51) are fixed to two ends of the air bag column (5), and two ends of each connecting rope (52) are fixedly connected with the plug (51) at one end; when the air bag column (5) is inflated, the connecting rope (52) is coaxially arranged with the air bag column (5).
6. The trenchless pipeline rehabilitation apparatus of claim 5, wherein: the heating wire connecting device is characterized in that a plurality of heating wires (54) which are distributed at intervals along the length direction of the connecting rope (52) are arranged on the connecting rope (52), and a fan (55) which is positioned between two adjacent heating wires (54) is arranged on the connecting rope (52).
7. The trenchless pipeline rehabilitation apparatus of claim 1, wherein: the release assembly (6) comprises a connecting arm (61) which stretches along the radial direction of the cylinder body (1) and a third driving structure (63) for driving the connecting arm (61) to stretch, one end of the connecting arm (61) is fixedly connected with the driving arm (15), the other end of the connecting arm (61) is provided with a sleeve (64), a plurality of plugging rings (7) are stacked in the sleeve (64), the surfaces of the first inclined part (71) and the second inclined part (72) are respectively provided with an adhesive layer (74), and the adhesive layers (74) are adhered to the inner wall of the sleeve (64); one end of the sleeve (64) is provided with a fourth driving structure (65), and the fourth driving structure (65) is used for pushing the plugging ring (7) out of the outlet of the sleeve (64).
8. The trenchless pipeline rehabilitation apparatus of claim 7, wherein: the first inclined part (71) and the second inclined part (72) are connected through a light-gathering ring (73), the cross section of the light-gathering ring (73) is oval, and the long axis of the oval is arranged along the radial direction of the light-gathering ring (73).
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| CN116901493B (en) * | 2023-06-01 | 2024-01-12 | 安徽普洛兰管道修复技术有限公司 | Punctiform in-situ curing repairing machine for pipeline |
| CN116576332B (en) * | 2023-07-12 | 2023-09-01 | 山东方大新材料科技有限公司 | Pipeline repairing device |
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