WO2013182831A1 - Dispositif et procédé de réparation d'un corps longiligne - Google Patents
Dispositif et procédé de réparation d'un corps longiligne Download PDFInfo
- Publication number
- WO2013182831A1 WO2013182831A1 PCT/FR2013/051341 FR2013051341W WO2013182831A1 WO 2013182831 A1 WO2013182831 A1 WO 2013182831A1 FR 2013051341 W FR2013051341 W FR 2013051341W WO 2013182831 A1 WO2013182831 A1 WO 2013182831A1
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- WO
- WIPO (PCT)
- Prior art keywords
- coil
- elongate body
- support
- around
- longitudinal
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/02—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material
- B29C63/04—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like
- B29C63/08—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically
- B29C63/10—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using sheet or web-like material by folding, winding, bending or the like by winding helically around tubular articles
-
- 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
-
- 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
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/1686—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by winding a tape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1403—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation characterised by the type of electromagnetic or particle radiation
- B29C65/1406—Ultraviolet [UV] radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
- B29C66/4329—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms the joint lines being transversal but non-orthogonal with respect to the axis of said tubular articles, i.e. being oblique
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
- B29C66/5326—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/65—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles with a relative motion between the article and the welding tool
- B29C66/652—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles with a relative motion between the article and the welding tool moving the welding tool around the fixed article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
- B29C66/721—Fibre-reinforced materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/737—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
- B29C66/7375—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
- B29C66/73751—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
- B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
- B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to the parts to be joined
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49718—Repairing
- Y10T29/49732—Repairing by attaching repair preform, e.g., remaking, restoring, or patching
Definitions
- the present invention relates to a device for repairing an elongated body and a method of repairing such a body. More particularly, the present invention relates to the repair or local reinforcement of water, gas, oil and other fluid transport pipes.
- the repair of such a pipe can be done by various techniques such as welding or fixing a cuff and / or the total replacement of a segment.
- the major disadvantage of the replacement of a pipe section is that they are restrictive to use because they require stopping the flow of the internal effluent such as liquid, gas or other mixtures in the portion of pipe to be repaired.
- Rehabilitation techniques from the outside of the pipes make it possible to avoid the replacement of the pipe section.
- Document FR1004758 by the same inventor, relates to a device for repairing a pipe, said device comprising an elastomer plate applied to the leak by a force distributor and strapped around the pipe, thus making it possible to plug the hole or the rift.
- An object of the invention is to provide a repair device or local reinforcement of an elongate body, reliable, fast, easy to implement and allowing the winding of a polymerizable prepreg strip around the area to to fix.
- Another object of the invention is to provide a device for repair or local reinforcement of an elongate body capable of adapting to different diameters and to different shapes of said elongate body.
- the present invention is aimed at a device for repairing or locally reinforcing an elongate body having an impairment of its integrity, said device being intended for winding around the elongated body of one or more layers of polymerizable prepreg tape, which comprises:
- the device is fixed by the fixing means on the outer face of the elongate body at the area to be repaired or reinforced.
- Longiline body means an object substantially longer than wide such as the pipes for the passage of a fluid but also the pillars.
- the elongate body may be of symmetrical or non-symmetrical section, cylindrical, round or square shape for example.
- a longitudinal axis X parallel to the local main axis of the elongate body to be repaired is defined.
- a polymerizable prepreg tape web is attached to a media attached to the device.
- the support is configured to move in rotation around the means of fixation, and thus around the elongated body. It also drives the coil to wind the polymerizable prepreg tape around the area of the surface to be repaired or reinforced.
- the coil is bonded to the support by a link which allows it to perform longitudinal movement in both directions in a predetermined direction, preferably in a direction parallel to the x-axis. The amplitude of this movement is determined by means of the support, for example by the length of the support.
- the operation of the device is as follows. Once the device is installed on the elongate body at the area to be repaired, the coil is rotated around the surface to wind the polymerizable prepreg strip around the area to be repaired or reinforced. The rotational movement is accompanied by a movement in translation parallel to a longitudinal axis of the elongated body predetermined in a first direction. Once the first layer of polymerizable prepreg is rolled up, the spool is rotated and translated in the opposite direction, allowing a second layer to be rolled up uniformly and with a regular winding pitch. the first one. Several layers of polymerizable prepreg strip are thus wound on the area to be repaired or reinforced. The device allows a winding of the homogeneous band, that is to say with a regular pressure and a step which makes it possible to restore the mechanical integrity of the altered zone.
- the device is simple to implement, this device being easily transportable on site and easily operable by an operator.
- the device can be implemented by a controller, in particular remote-controlled type that ensures the repeatability of the process of reinforcement or repair.
- the invention can be implemented according to the advantageous embodiments described below, which can be considered individually or in any operating combination.
- the device is suitable for the repair or local reinforcement of terrestrial or submarine pipes carrying fluids or gases, for example pipelines.
- the coil being removable, it can be replaced by another coil as many times as necessary for the repair of the damaged area.
- the means for fixing the device on the elongate body comprise at least two jaws intended to be fixed around the elongated body.
- jaw means a shaped piece adapted to be fixed on the elongated body to a second piece.
- the two jaws of the fixing means are configured to attach to elongate bodies having diameters between two predetermined values.
- the device can advantageously adapt to several types of elongate bodies.
- the device which is the subject of the present invention comprises at least two half-guides intended to be fixed to each other around the elongated body.
- the longitudinal support is a beam, of a rigidity greater than a predetermined value, comprising longitudinal bars configured to support a coil, said beam being fixed to the means of fixing the device by one of its ends. and being configured to move in rotation about the longitudinal axis of the elongate body.
- the beam ensures great stability of the device especially when the coil is moving.
- the support comprises a pinion system which allows the rotational movement of the support around the fastening means and the elongate body.
- the longitudinal support is a beam triangulated by a diagonal bar.
- the diagonal bar makes it possible to further increase the rigidity of the beam and thus the stability of the support.
- the device which is the subject of the present invention further comprises means for positioning the coil in a predetermined orientation with respect to the surface of the elongate body.
- the device of the present invention further comprises means for positioning the coil at a predetermined distance from the surface of the elongate body.
- the means for positioning the coil may be the bars of the support.
- the coil is fixed on at least two parallel support bars forming part of the support, and is secured to a carriage comprising rollers for tensioning the band and / or application of the band on the elongate body with a predetermined constant pressure, regardless of the number of winding turns.
- the device of the invention allows a winding of the polymerizable prepreg strip with a homogeneous and / or adjustable tension and a winding pitch.
- the advantage of the device of the invention is that it allows a winding of the band with a constant voltage and pitch.
- the pitch and tension of the band adjusted as the winding which allows a durable and durable repair.
- the winding can be interrupted at any time by the operator.
- the coil is attached to at least two parallel support bars forming part of the support, and is secured to a carriage comprising tensioning rollers of the web with a constant tension, regardless of the number of winding turns.
- the spool is attached to at least two parallel support bars forming part of the support, and is secured to a carriage comprising application rollers of the web on the elongate body with constant pressure, regardless of the number of winding turns.
- the device that is the subject of the present invention further comprises means for automatically rotating the coil.
- the device that is the subject of the present invention further comprises means for automatically moving the coil longitudinally in both directions along a longitudinal direction of the elongated body.
- These means for automatic movement may be for example a gear system and threaded rods of the type known to those skilled in the art.
- the device which is the subject of the present invention further comprises a lap counter of the elongate body made by the support.
- the device object of the present invention comprises, at one end of the support structure, a caster resting on the elongate body.
- the device object of the present invention which comprises, at one end of the support structure, a pad bearing on the elongate body.
- the support structure remains at a predetermined distance and parallel to the elongate body.
- the means for attaching the device to the elongate body comprises two parts, each composed of two jaws, configured to be fixed on either side of a damaged zone of the tube, the support comprises parallel longitudinal bars fixed at each of their ends to the fixing rings and rotatable about the elongated body, the polymerizable prepreg tape web being fixed on at least two of these bars, movable in translation in both directions.
- the means for fixing the device on the tube comprises two chains configured to be fixed on either side of the damaged zone of the elongate body.
- Each of the chains is adapted to make a route between sprockets movable in rotation on the chain.
- a longitudinal bar of predetermined length is connected at each of its ends to said gears.
- a polymerizable prepreg tape web is bonded to the longitudinal support bar and is configured to move in translation on the media in both directions.
- the present invention relates to a remote-controlled underwater vehicle, which comprises a device object of the present invention.
- the device can in particular be actuated by hydraulic or electric motors, directly or indirectly connected to the winding axes.
- the device is then possibly visualized remotely by camera and operated remotely to allow semi-automatic repairs without the need for human diving.
- the machine object of the present invention further comprises means for remote actuation of the device object of the present invention.
- the machine that is the subject of the present invention comprises at least one camera and a device for remote transmission of images. captured by each said camera.
- the present invention provides a method of repairing an elongate body having an alteration of its integrity, or local strengthening of its surface, comprising:
- a step of actuating the device by moving the coil in rotation around the elongate body and in translation along a longitudinal direction of the elongate body, which allows the winding of successive layers of polymerizable pre-impregnated strips around a predetermined zone of the elongate body,
- a polymerization step of the polymerizable prepreg strips In the step of actuating the device, the movement of the coil can be done manually or automatically, for example by a gear system. Alternatively, this setting in motion can be carried out using hydraulic motors or any other device known to those skilled in the art.
- the method that is the subject of the present invention comprises, during the actuation step, between two paths of a coil along and around the pipe, replacing the coil to change between two layers. successive characteristics of the polymerizable pre-impregnated strip to be wound.
- the method of the present invention comprises a step of counting, by a counter, and storing the number of turns made by the coil around the area to be repaired or reinforced.
- an initial calibration makes it possible to reproduce, during windings, the desired tension of the polymerizable prepreg strip.
- FIGS. 1 and 2 show, schematically, a perspective view, respectively after and before fixation on a pipe, of a particular embodiment of the device which is the subject of the invention
- FIG. 3 represents, schematically, a perspective view of a second particular embodiment of the device which is the subject of the invention
- FIG. 4 represents, schematically, a perspective view of a third embodiment of the device which is the subject of the invention.
- FIG. 5 represents, in the form of a logic diagram, the various steps of a method of repairing or locally reinforcing a pipe forming the subject of the invention
- FIG. 6 schematically represents a partial perspective view of a variant of the first embodiment of the device illustrated in FIGS. 1 and 2.
- the elongate body to repair or reinforce locally is an underwater pipe carrying a fluid.
- the device 1 10 is suitable for all types of pipes and other types of tubes, such as boat masts or columns of pillars.
- a portion of a tubular pipe 100 has an altered zone in its integrity, that is to say having a crack, a depression, an erosion or an internal or external corrosion for example.
- the device 1 10 object of the invention allows the repair or local reinforcement of a damaged area of the surface of a pipe 100 by winding around the area to be repaired of one or more layers of prepreg tape.
- the device 1 10 comprises:
- a detachable fixing means on the pipe 100 a means for rotating a support structure 125 around the fastening means and around the pipe 100,
- the device 1 10 allows the movement in rotation and in translation of the coil 135, which causes the winding around the pipe 100 of the polymerizable pre-impregnated strip, with a homogeneous tension and an adjustable winding pitch.
- the coil 135 is removable. It can be replaced by another coil on the support.
- FIG. 1 shows a particular embodiment of the device 1 10.
- the device 1 10 removably attaches to the pipe 100 by a fixing means.
- This fastening means comprises, in this embodiment, at least two jaws January 12 and January 13.
- the two jaws January 12 and January 13 are, in the present example in no way limiting implementation, adapted to be fixed on several diameters of pipelines.
- the jaw 1 12 is extended by a support along which the jaw 1 13 can be displaced longitudinally, as a function of the diameter of the pipe 100 and, on the other hand, transversely, as sees it in two extreme positions of this transversal movement, in figures 1 and 2.
- the two jaws January 12 and January 13 are fixed around the pipe 100 and solidarity with each other through fastening means and / or adjustment.
- the movement of the jaws January 12 and January 13 is similar to that of a clamp.
- the two jaws 1 12 and 1 13 are provided with pads to protect the pipe 100 during tightening.
- the fixing means also comprises an assembly 1 15 of at least two circular half-guides.
- the assembly 1 comprises four half-guides 140 and 142 intended to be fixed to each other around the elongate body 100 so as, on the one hand, to hold the device on the pipe 100 and, on the other hand, guide the rotation of the support structure around the pipe 100.
- the four half-guides 140 and 142 improve the rigidity of the device.
- a longitudinal support 125 is connected to the fastening means of the device.
- the longitudinal support 125 is a beam with a rigidity greater than a predetermined value, triangulated by a diagonal bar.
- Longitudinal bars 155 and 156 configured to support a spool 135 are attached to the beam 125 of the support.
- the beam 125 is fixed to the fastening means of the device 1 10 by one of its ends so as to allow the support 125 to move in rotation around the fastening means and therefore around the pipe 100.
- This fixation is carried out, in an exemplary embodiment, by a vernier caliper system.
- a pinion system cooperating with notches of the guides 140 and 142 of the fixing means, allows the rotational movement of the support 125 around the fixing means.
- the pitch between two successive passes of the polymerizable prepreg strip is less than the width of the polymerizable prepreg strip.
- the setting in motion of the support 125 in rotation simultaneously drives the coil 135 in rotation in order to wind the polymerizable preimpregnated strip around the zone of the pipe 100.
- the beam 125 makes it possible to give the device a great stability, in particular when the coil 135 is in motion.
- the diagonal bar further strengthens the rigidity of the device.
- the coil 135 is connected to three substantially parallel bars 155 and 156 of the support 125 while remaining free in translation relative to these bars 155 and 156. These bars 155 and 156 make it possible to position the coil 135 stably in an optimal orientation by relative to the surface of the pipe 100.
- the coil 135 is connected to the support 125 by a link which allows it to perform a longitudinal movement in both directions. in a predetermined direction. The amplitude of this movement is determined by means of the support, for example here by the length of the bars 155 and 156 of the support 125.
- the coil is connected to a carriage 165 comprising rollers for tensioning the strip and / or for applying the strip on the pipe 100 with a pressure predetermined constant regardless of the number of winding turns required.
- a wheel 160 is added at the end of the beam 125.
- This wheel 160 rests on the pipe 100 and allows a better stability of the support structure of the coil 135 during its movement. rotation in the pipe 100.
- a pad (not shown) provided with an anti-friction coating such as, for example, Teflon replaces the wheel 160 to perform the same stabilizing function and avoids the problems associated with a possible seizure roulette 160.
- the device 1 10 further comprises means (not shown in the figures) to allow the automatic movement in rotation and / or in longitudinal translation of the coil 135 in both directions, for example a control system.
- sprockets and threaded rods of a type known to those skilled in the art.
- the device 1 10 is first brought to the zone right to repair this line, and fixed on said pipe 100. Once installed on the pipe 100 at the area to be repaired, the coil 135 is rotated around of the pipe 100 to wind the prepreg strip around the area to be repaired. The rotational movement is accompanied by a movement in translation along a longitudinal axis of the pipe 100 predetermined in a first direction.
- the coil 135 is actuated in rotation and in translation in the opposite direction. This makes it possible to wind a second layer over the first layer evenly and with a regular winding pitch.
- the device 1 10 performs a winding of the homogeneous band, that is to say with a voltage and / or a pressure and a regular pitch which allows, for example, to restore the mechanical integrity of the altered zone of the pipe.
- the method for repairing or locally reinforcing an elongate body is schematized in the form of a logic diagram in FIG. 5.
- the elongated body is a transmission pipe of FIG. a fluid.
- the method of repairing or locally reinforcing the pipeline comprises:
- a step 540 for polymerizing the polymerizable prepreg strips is a step 540 for polymerizing the polymerizable prepreg strips.
- a first step 510 an operator fixes the device 1 10 at the area of the pipe 100 to be repaired by the fastening means 1 12 and 1 13.
- the device 1 10 is easily transportable to the place of repair and its weight is suitable for handling by one or more operators or divers in the case of an underwater line 100. It is also suitable for manipulation by a remote controlled automaton.
- the device is adaptable to several diameters of pipe 100 and to variable sizes of the area to be repaired.
- a second step 520 the device 1 10 is actuated manually or automatically by the rotational movement of the coil 135, 440 around the fastening means 1 12 and 1 13 and therefore the pipe 100.
- the coil is moved in translation in a longitudinal direction in a first direction to wind a first layer of tape pre-impregnated polymerizable around the area to be repaired.
- the coil 135, 440 is held on the support at a distance and an angle relative to the pipe 100 predetermined which allows a winding with a voltage and a regular pitch.
- the translation path of the coil 135, 440 is delimited in both directions by means of the support.
- the coil 135, 440 is actuated in the opposite direction of translation, still rotating around the pipe 100 which allows to wind a second layer of polymerizable prepreg tape over the first .
- the tape layers are thus superimposed optimally in terms of tension and with a regular pitch. Operations require little effort from operators for quality repair. The actions are repeated to wind up as many layers as necessary to allow repair of the damaged area or local reinforcement of the pipeline.
- the coil 135, 440 is replaced to change, between two successive layers, the characteristics, in particular chemical or mechanical, of the polymerizable pre-impregnated strip to be wound.
- the successive strips may have different constituents (for example, carbon fibers, glass fibers or other constituent), different resins, different weavings, orientations of different fibers or yarns, different widths or thicknesses.
- a third step 530 the device 1 10 is removed from the pipe 100, and in a last step 540, the polymerization of the polymerizable preimpregnated strip is triggered by means known to those skilled in the art which depend in particular on the type of pre-treated polymerizable tape used and conditions of the repair.
- this polymerization can be triggered by ultraviolet rays or by thermal input.
- the device 1 10 is simple to implement. Indeed, this device 1 10 is easily transportable on site and an operator or a remote controlled automaton can easily operate under water.
- the device 1 10 is particularly suitable for the repair or local reinforcement of land or underwater pipelines carrying fluids or gases, for example oil pipelines or pipelines.
- the device of the present invention is integrated with or carried by an underwater vehicle (not shown).
- this underwater vehicle and the device object of the present invention are remotely controlled.
- the underwater vehicle object of the present invention comprises communication means and remote actuating means of the device.
- the underwater vehicle comprises at least one camera and a device for remote transmission of images captured by each camera.
- Figure 3 schematically shows an alternative embodiment of the device 1 10 'object of the invention.
- the means for fixing the device 1 10 'to the pipe 100 comprises two sets 300 and 310 of two half-guides formed by a groove, respectively 301 and 312, surrounded by flanks, respectively 302 and 31 1 , carrying guide bars 315 parallel to the axis of the pipe 100.
- a coil 320 is carried by a support structure mounted on at least one guide bar 315.
- FIG. 4 represents, schematically, an alternative embodiment of the device 1 10 "which is the subject of the invention.
- the fixing means of the device 1 10 "to the pipe 100 comprises two chains 400, 410 configured to be fixed on either side of the damaged zone of the pipe 100.
- Each of the chains 400, 410 travels between toothed wheels 415, 416, 417, 420, 421, 422 rotatable on the chain 400, 410.
- each chain 400, 410 travels between three gears 415, 416, 417 and 420, 421, 422, respectively.
- the toothed wheels 416 and 421 are thus driven in rotation on themselves during the rotation of the bar 430, which forms their common axis, around the pipe 100.
- the support is composed of a longitudinal bar 430, of predetermined length, which is connected at each of its ends to the gears 415, 416, 417, 420, 421, 422.
- This coil 440 configured to move in translation on the support bar 430, in both directions.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Pipe Accessories (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112014030600-1A BR112014030600B1 (pt) | 2012-06-08 | 2013-06-10 | dispositivo, veículo submarino e processo para reparar um corpo longilíneo |
EP13733382.9A EP2859264B1 (fr) | 2012-06-08 | 2013-06-10 | Dispositif et procédé de réparation d'un corps longiligne |
NO13733382A NO2859264T3 (fr) | 2012-06-08 | 2013-06-10 | |
US14/406,004 US9631764B2 (en) | 2012-06-08 | 2013-06-10 | Device and method for repairing an elongate body |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1255376A FR2991747B1 (fr) | 2012-06-08 | 2012-06-08 | Dispositif et procede de reparation d'un corps longiligne |
FR1255376 | 2012-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013182831A1 true WO2013182831A1 (fr) | 2013-12-12 |
Family
ID=46852165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2013/051341 WO2013182831A1 (fr) | 2012-06-08 | 2013-06-10 | Dispositif et procédé de réparation d'un corps longiligne |
Country Status (6)
Country | Link |
---|---|
US (1) | US9631764B2 (fr) |
EP (1) | EP2859264B1 (fr) |
BR (1) | BR112014030600B1 (fr) |
FR (1) | FR2991747B1 (fr) |
NO (1) | NO2859264T3 (fr) |
WO (1) | WO2013182831A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019057949A1 (fr) | 2017-09-24 | 2019-03-28 | 3X Engineering | Dispositif pour faciliter la réparation des pipelines |
US10711919B2 (en) | 2015-10-02 | 2020-07-14 | Subsea 7 Limited | Repairing or coating subsea pipelines |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3014353B1 (fr) * | 2013-12-10 | 2016-05-06 | 3X Eng | Dispositif de traitement d'un corps longiligne |
IT201600118058A1 (it) | 2016-11-22 | 2018-05-22 | Saipem Spa | Macchina e metodo per riparare una tubazione in un corpo d'acqua |
BR102017001908A2 (pt) * | 2017-01-30 | 2018-08-14 | Arbra Engenharia Industrial Ltda | equipamento para reparo de dutos |
GB2568889B (en) | 2017-11-29 | 2020-04-08 | Subsea 7 Us Llc | Pipeline coatings |
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FR2666864A1 (fr) * | 1990-09-14 | 1992-03-20 | Labiche Jean Pierre | Procede pour reparer ou restaurer sur place un troncon d'une canalisation ou d'une enceinte destinee a contenir ou contenant un fluide sous pression, et dispositif pour la mise en óoeuvre de ce procede. |
EP1016514A2 (fr) * | 1998-11-25 | 2000-07-05 | SOCOTHERM S.r.l. | Procédé et appareil pour la protection anticorrosion in-situ d'un joint de soudure de tuyaux métalliques |
US6405671B1 (en) * | 1999-05-05 | 2002-06-18 | Air Logistics Corporation | Method of indicating a helix pitch of a repair substrate wrapped about a cylindrical structure |
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- 2013-06-10 NO NO13733382A patent/NO2859264T3/no unknown
- 2013-06-10 EP EP13733382.9A patent/EP2859264B1/fr active Active
- 2013-06-10 BR BR112014030600-1A patent/BR112014030600B1/pt active IP Right Grant
- 2013-06-10 WO PCT/FR2013/051341 patent/WO2013182831A1/fr active Application Filing
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EP1016514A2 (fr) * | 1998-11-25 | 2000-07-05 | SOCOTHERM S.r.l. | Procédé et appareil pour la protection anticorrosion in-situ d'un joint de soudure de tuyaux métalliques |
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Cited By (5)
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US10711919B2 (en) | 2015-10-02 | 2020-07-14 | Subsea 7 Limited | Repairing or coating subsea pipelines |
WO2019057949A1 (fr) | 2017-09-24 | 2019-03-28 | 3X Engineering | Dispositif pour faciliter la réparation des pipelines |
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Also Published As
Publication number | Publication date |
---|---|
BR112014030600A2 (pt) | 2017-06-27 |
US20150127194A1 (en) | 2015-05-07 |
NO2859264T3 (fr) | 2017-12-23 |
FR2991747A1 (fr) | 2013-12-13 |
EP2859264B1 (fr) | 2017-07-26 |
FR2991747B1 (fr) | 2016-07-01 |
EP2859264A1 (fr) | 2015-04-15 |
BR112014030600B1 (pt) | 2021-02-17 |
US9631764B2 (en) | 2017-04-25 |
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