ES2253936B1 - PIPING WITH HELICOIDAL REINFORCEMENTS. - Google Patents

PIPING WITH HELICOIDAL REINFORCEMENTS. Download PDF

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Publication number
ES2253936B1
ES2253936B1 ES200202931A ES200202931A ES2253936B1 ES 2253936 B1 ES2253936 B1 ES 2253936B1 ES 200202931 A ES200202931 A ES 200202931A ES 200202931 A ES200202931 A ES 200202931A ES 2253936 B1 ES2253936 B1 ES 2253936B1
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Spain
Prior art keywords
pipe
wings
reinforcements
helical
pipes
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Expired - Fee Related
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ES200202931A
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ES2253936A1 (en
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Antonio Oblanca Martinez
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Individual
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/16Rigid pipes wound from sheets or strips, with or without reinforcement
    • F16L9/165Rigid pipes wound from sheets or strips, with or without reinforcement of metal

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

Tubería con refuerzos helicoidales. Es de aplicación a conducciones de gran diámetro, ya que se pueden obtener tubos de cualquier diámetro y longitud, teniendo además cierta elasticidad para optimizar el tendido de la conducción. Está constituida por un perfil en "U" (2) que se curva helicoidalmente, soldándose los bordes de sus alas (3) con soldadura continua, siendo el paso de la hélice el más adecuado al diámetro y longitud del tubo. Las alas (3) del perfil en "U" (2) serán también de la longitud adecuada para que la tubería resista las presiones internas y externas que haya de soportar. Con esta estructura se pueden formar tuberías con menor espesor de pared al incorporar el refuerzo helicoidal que conforman las alas (3), con las ventajas que ello conlleva.Pipe with helical reinforcements. It is applicable to large diameter pipes, since pipes of any diameter and length can be obtained, also having some elasticity to optimize the laying of the pipe. It consists of a "U" profile (2) that curves helically, welding the edges of its wings (3) with continuous welding, the passage of the propeller being the most appropriate to the diameter and length of the tube. The wings (3) of the "U" profile (2) will also be of adequate length for the pipe to withstand the internal and external pressures to be supported. With this structure, pipes with a lower wall thickness can be formed by incorporating the helical reinforcement that forms the wings (3), with the advantages that this entails.

Description

Tubería con refuerzos helicoidales.Pipe with helical reinforcements.

Objeto de la invenciónObject of the invention

La presente invención, según se expresa en el enunciado de esta memoria descriptiva, se refiere a una tubería con refuerzos helicoidales, la cual ha sido ideada con la finalidad de lograr formar tubos de cualquier diámetro y longitud, utilizando un perfil con sección en "U" y que se curva helicoidalmente, presentando en su estructura un refuerzo helicoidal que permite utilizar menores espesores de chapa para resistir las presiones internas y externas a las que se ve sometida la tubería.The present invention, as expressed in the set forth in this specification, refers to a pipeline with helical reinforcements, which has been devised for the purpose of manage to form tubes of any diameter and length, using a "U" section profile and helically curved, presenting in its structure a helical reinforcement that allows use lower sheet thicknesses to resist pressures internal and external to which the pipe is subjected.

Antecedentes de la invenciónBackground of the invention

Actualmente se fabrican los tramos de tuberías y conductos de gran diámetro, sin refuerzos. Para soportar mayores presiones internas y externas se recurre a paredes de grosor adecuado, que conllevan un aumento excesivo de peso y elevada rigidez en los tramos.Currently the pipe sections are manufactured and  large diameter ducts, without reinforcements. To withstand older internal and external pressures resort to thick walls adequate, which lead to excessive weight gain and high Stiffness in the sections.

Los esfuerzos debidos a las presiones externas, es conocido que producen la ovalización de las tuberías y sobre todo en las tuberías de gran diámetro, por lo que es necesario sobredimensionar los espesores con los que se fabrican dichas tuberías, o adoptar sistemas tales como apuntalar la tubería y recubrirla con hormigón para que sea éste el que absorba los esfuerzos exteriores.Efforts due to external pressures, It is known to produce ovalization of pipes and over all in large diameter pipes, so it is necessary oversize the thicknesses with which these are manufactured pipes, or adopt systems such as propping up the pipe and cover it with concrete so that it is this that absorbs the external efforts

Por su construcción, las tuberías convencionales llevan instaladas juntas de dilatación para absorber las dilataciones o contracciones en el sentido longitudinal de la conducción.For its construction, conventional pipes  have expansion joints installed to absorb the dilations or contractions in the longitudinal direction of the driving.

Cuando es necesario proceder a la instalación de válvulas en las tuberías, hay que disponer de unas piezas caras que se denominan carretes de anclaje, siendo su misión el transmitir los esfuerzos que se producen cuando una válvula se cierra, a un dado de hormigón armado que se encargará de absorber los esfuerzos.When it is necessary to proceed with the installation of  valves in the pipes, you have to have some expensive parts which are called anchor reels, its mission being the transmit the stresses that occur when a valve is close, to a reinforced concrete die that will be responsible for absorbing the efforts.

Descripción de la invenciónDescription of the invention

En líneas generales, la tubería con refuerzos helicoidales, objeto de la invención, presenta una estructura definida por un perfil longitudinal con sección en "U" y curvado helicoidalmente, soldando los bordes extremos de las alas en contacto de su sección una vez curvado, con soldadura continua y de forma automatizada.In general, the pipe with reinforcements Helical, object of the invention, has a structure defined by a longitudinal profile with a "U" section and helically curved, welding the extreme edges of the wings in contact with its section once curved, with continuous welding and in an automated way

Con este tipo de tubería con refuerzos, se consiguen varias ventajas que no disponen las tuberías actuales, ya que por su configuración con los refuerzos, es menor el espesor de la chapa para resistir las presiones internas y externas, como hemos indicado anteriormente.With this type of pipe with reinforcements, it they get several advantages that current pipes do not have, since that due to its configuration with reinforcements, the thickness of the sheet to resist internal and external pressures, such as We have indicated above.

Los esfuerzos debidos a la presión interna son absorbidos por la chapa haciendo trabajar a todas las generatrices del tubo, y por los refuerzos helicoidales en los que la chapa está de canto, se absorbe la mayoría del esfuerzo que transmite la presión interna. Se puede por tanto dimensionar el paso y el canto del refuerzo para que cada diámetro de tubería y según la presión interna que haya de soportar, sean los óptimos para que el espesor de la chapa a emplear sea el menor posible, obteniendo así un gran ahorro en el consumo de material.The efforts due to internal pressure are absorbed by the sheet making all the generatrices work of the tube, and by the helical reinforcements in which the sheet is of song, most of the effort transmitted by the internal pressure It is therefore possible to size the pitch and the edge of the reinforcement so that each pipe diameter and according to the pressure internal to be supported, are optimal for the thickness of the sheet to be used is as small as possible, thus obtaining a large saving in material consumption.

Con la tubería con refuerzos helicoidales, que la invención propone, se puede dimensionar el canto del refuerzo para que absorba las presiones internas (carga de tierras, paso de vehículos, etc) y evitar el sobredimensionar los espesores, o el proteger la tubería de las fuerzas externas con hormigón, como es habitual.With the pipe with helical reinforcements, which the invention proposes, the reinforcement edge can be sized to absorb internal pressures (land load, passage of vehicles, etc.) and avoid oversizing the thicknesses, or the protect the pipe from external forces with concrete, as is habitual.

Por la configuración que presenta la tubería con refuerzos helicoidales, permite absorber las dilataciones o contracciones en el sentido longitudinal de la tubería, ahorrando el tener que instalar las juntas de dilatación. Además, permite la curvatura moderada de la conducción, pudiendo adaptarse a zanjas en curva, evitando el tener que instalar codos y sus correspondientes anclajes.By the configuration that presents the pipe with  helical reinforcements, allows to absorb dilations or contractions in the longitudinal direction of the pipe, saving having to install expansion joints. In addition, it allows the moderate curvature of the conduction, being able to adapt to ditches in curve, avoiding having to install elbows and their corresponding anchors

También se consigue eliminar la instalación de carretes de anclaje convencionales cuando se acoplan válvulas en la tubería, ya que se transmite el esfuerzo a través de los refuerzos, al dado de hormigón.It is also possible to eliminate the installation of conventional anchoring reels when valves are coupled in the pipe, since the effort is transmitted through reinforcements, to the concrete die.

El refuerzo helicoidal definido por las alas ya soldadas, permite que las paredes del tubo tengan menores espesores ya que la acción resistente de estas dobles paredes helicoidales de refuerzo, contribuyen enormemente a soportar la presión que se exige a la tubería o conducción.The helical reinforcement defined by the wings already welded, allows tube walls to have smaller thicknesses since the resistant action of these double helical walls of reinforcement, they contribute greatly to withstand the pressure that requires the pipe or conduction.

Para facilitar la comprensión de las características de la invención y formando parte integrante de esta memoria descriptiva, se acompaña una hoja de planos en cuyas figuras, con carácter ilustrativo y no limitativo se ha representado lo siguiente:To facilitate the understanding of characteristics of the invention and forming an integral part of this Descriptive report, a sheet of plans is attached in whose figures, with an illustrative and non-limiting nature represented the following:

Breve descripción de los dibujosBrief description of the drawings

Figura 1. Es una vista esquemática en alzado longitudinal, de una tubería con refuerzos helicoidales, acorde con la invención, incluyendo un detalle a mayor escala para apreciar la formación de su estructura.Figure 1. It is a schematic elevation view longitudinal, of a pipe with helical reinforcements, according to the invention, including a larger scale detail to appreciate the formation of its structure.

Figura 2. Es una vista de perfil de lo mostrado en la figura 1.Figure 2. It is a profile view of what is shown in figure 1.

Descripción de la forma de realización preferidaDescription of the preferred embodiment

Haciendo referencia a la numeración adoptada en las figuras, podemos ver cómo la tubería con refuerzos helicoidales, que la invención propone, está referenciada en general con el número 1 y constituida al curvar helicoidalmente un perfil en "U" 2, con las alas 3 dirigidas hacia el exterior naturalmente para que el ánima sea lisa, como se observa en el detalle ampliado de la figura 1.Referring to the numbering adopted in the figures, we can see how the pipe with reinforcements helical, which the invention proposes, is referenced in general with the number 1 and constituted by spiraling a "U" profile 2, with wings 3 facing outward naturally so that the soul is smooth, as seen in the enlarged detail of figure 1.

Las alas del perfil en "U" 2 constituyen el refuerzo helicoidal de doble pared para la tubería 1, soldándose los bordes de dichas alas 3 con soldadura continua 4.The wings of the "U" profile 2 constitute the double wall helical reinforcement for pipe 1, welding the edges of said wings 3 with continuous welding 4.

El paso de la hélice estará calculado en consonancia con las características que haya de cumplir la tubería, dependiendo tanto del diámetro y longitud del tubo, como de las presiones interna y externa que haya de soportar.The pitch of the propeller will be calculated in in line with the characteristics that the pipeline must meet, depending on both the diameter and length of the tube, and the internal and external pressures to bear.

Claims (1)

1. Tubería con refuerzos helicoidales, caracterizada porque consiste en un tubo cuyas paredes están formadas al curvar helicoidalmente un perfil (2) en "U" con las alas dirigidas al exterior y soldando en continuo los bordes de las alas (3) en contacto una vez curvado, siendo el paso de la hélice el más conveniente al diámetro y longitud del tubo, y las alas (3) del perfil (2) de una longitud dependiente de las presiones que tenga que soportar el tubo.1. Pipe with helical reinforcements, characterized in that it consists of a tube whose walls are formed by helically curving a “U” profile (2) with the wings directed to the outside and continuously welding the edges of the wings (3) in contact with a once curved, the passage of the propeller being the most convenient to the diameter and length of the tube, and the wings (3) of the profile (2) of a length depending on the pressures that the tube has to bear.
ES200202931A 2002-12-19 2002-12-19 PIPING WITH HELICOIDAL REINFORCEMENTS. Expired - Fee Related ES2253936B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES200202931A ES2253936B1 (en) 2002-12-19 2002-12-19 PIPING WITH HELICOIDAL REINFORCEMENTS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES200202931A ES2253936B1 (en) 2002-12-19 2002-12-19 PIPING WITH HELICOIDAL REINFORCEMENTS.

Publications (2)

Publication Number Publication Date
ES2253936A1 ES2253936A1 (en) 2006-06-01
ES2253936B1 true ES2253936B1 (en) 2007-02-01

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ES200202931A Expired - Fee Related ES2253936B1 (en) 2002-12-19 2002-12-19 PIPING WITH HELICOIDAL REINFORCEMENTS.

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB850303A (en) * 1958-01-20 1960-10-05 Lucas Industries Ltd Finned metal tubes
US3240042A (en) * 1962-06-11 1966-03-15 Calumet & Hecla Fabricated tubing and the method and apparatus for producing the same
US4630650A (en) * 1984-10-15 1986-12-23 Pacific Roller Die Co., Inc. Spiral ribbed pipe
US6006565A (en) * 1997-06-05 1999-12-28 Carson; Ken Hydraulically efficient ribbed pipe and method of making thereof

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