ES2507041A1 - Device for testing tubes (Machine-translation by Google Translate, not legally binding) - Google Patents

Device for testing tubes (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES2507041A1
ES2507041A1 ES201330517A ES201330517A ES2507041A1 ES 2507041 A1 ES2507041 A1 ES 2507041A1 ES 201330517 A ES201330517 A ES 201330517A ES 201330517 A ES201330517 A ES 201330517A ES 2507041 A1 ES2507041 A1 ES 2507041A1
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Spain
Prior art keywords
housing
tube
testing tubes
test
fasteners
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES201330517A
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Spanish (es)
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ES2507041B1 (en
Inventor
Gustavo GARCÍA CAMPILLO
Gustavo GARCÍA GUASCH
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CATALONIA ACADEMIC DEVELOPMENTS CENTER SL
CATALONIA ACADEMIC DEVELOPMENTS CT S L
Original Assignee
CATALONIA ACADEMIC DEVELOPMENTS CENTER SL
CATALONIA ACADEMIC DEVELOPMENTS CT S L
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Priority to ES201330517A priority Critical patent/ES2507041B1/en
Publication of ES2507041A1 publication Critical patent/ES2507041A1/en
Application granted granted Critical
Publication of ES2507041B1 publication Critical patent/ES2507041B1/en
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The tube testing device comprises a pair of clamping elements (1, 2) that hold the ends of the tube (3) on which the test is performed, and is characterized in that it comprises a casing (4) inside of which it is it places the tube (3) on which the test is carried out, said casing (4) comprising at least one inlet (5) of water under pressure and closing caps (6) for sealing said casing (4). It allows tests of collapse of the tubes at a very high maximum collapsing pressure, extending the range of collapse pressures to higher values than with the currently known devices. (Machine-translation by Google Translate, not legally binding)

Description

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DESCRIPCIÓN DESCRIPTION

Dispositivo para realizar pruebas de tubos Device for testing tubes

5 La presente invención se refiere a un dispositivo que permite realizar pruebas de tubos, en particular realizar pruebas para poder determinar el valor de la presión exterior máxima que soporta un tubo antes de que se produzca su colapso. The present invention relates to a device that allows tube tests, in particular tests to be able to determine the value of the maximum external pressure that a tube supports before its collapse occurs.

Antecedentes de la invención Background of the invention

10 Todas las tuberías que se comercializan deben estar certificadas y por ello, es necesario someterlas a ensayos para poder determinar todas sus características mecánicas. Algunos de los parámetros que determinan las características mecánicas son: presión máxima interna, presión de prueba hidráulica, presión de colapso, etc.). El ensayo más común al que 10 All the pipes that are marketed must be certified and therefore it is necessary to submit them to tests in order to determine all their mechanical characteristics. Some of the parameters that determine the mechanical characteristics are: maximum internal pressure, hydraulic test pressure, collapse pressure, etc.). The most common essay to which

15 se somete todos los tubos, es el ensayo de la presión hidráulica que permite certificar que dicho tubo soporta una presión interna determinada. No siendo tan habitual, los ensayos que permiten verificar y certificar que el tubo soporta un valor determinado de presión externa o determinar el valor de la presión de colapso. 15 All the tubes are subjected, it is the hydraulic pressure test that allows to certify that said tube withstands a certain internal pressure. Not being as usual, the tests that allow to verify and certify that the tube supports a certain value of external pressure or determine the value of the collapse pressure.

20 Por ejemplo, se conoce el procedimiento y el aparato descritos en el documento US 20 For example, the method and apparatus described in US document are known

4.502.323 para realizar la prueba hidráulica en cada tubo. En este dispositivo, el tubo que se debe probar se introduce en un tanque de agua, donde se llena de agua y cuyos dos extremos se sellan. La prueba consiste en la aplicación de alta presión en el interior del tubo a través del tapón. 4,502,323 to perform the hydraulic test on each tube. In this device, the tube to be tested is introduced into a water tank, where it is filled with water and whose two ends are sealed. The test involves the application of high pressure inside the tube through the cap.

25 Este tipo de dispositivos permiten verificar y certificar solamente valores de la presión interna que debe soportar el tubo, pero no la presión externa. 25 This type of device makes it possible to verify and certify only the values of the internal pressure that the tube must support, but not the external pressure.

Por lo tanto, el objetivo de la presente invención es proporcionar un dispositivo que permita Therefore, the objective of the present invention is to provide a device that allows

30 realizar pruebas de colapso o de presión externa en los tubos a una presión muy alta, por ejemplo un rango de presiones de ensayo desde 100 bar hasta 10000 bar. Este dispositivo amplia el rango de presiones de colapso a mayores valores que con los dispositivos conocidos actualmente. 30 perform tests of collapse or external pressure in the tubes at a very high pressure, for example a range of test pressures from 100 bar to 10,000 bar. This device extends the range of collapse pressures to higher values than with the devices currently known.

35 35

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Descripción de la invención Description of the invention

Con el dispositivo para realizar pruebas de tubos de la presente invención se consiguen resolver los inconvenientes citados, presentando otras ventajas que se describirán a 5 continuación. With the device for conducting tube tests of the present invention, the aforementioned drawbacks are resolved, presenting other advantages that will be described below.

El dispositivo para realizar pruebas de tubos de la presente invención comprende un par de elementos de sujeción que sujetan los extremos del tubo sobre el que se realiza la prueba, y se caracteriza porque comprende una carcasa en cuyo interior se coloca el tubo sobre el The device for testing tubes of the present invention comprises a pair of fasteners that hold the ends of the tube on which the test is performed, and is characterized in that it comprises a housing in which the tube is placed on the

10 que se realiza la prueba, comprendiendo dicha carcasa al menos una entrada de agua a presión y unas tapas de cierre para el sellado de dicha carcasa. 10 that the test is carried out, said housing comprising at least one pressurized water inlet and closing caps for sealing said housing.

Preferentemente, el dispositivo para realizar pruebas de tubos de la presente invención también comprende una varilla colocada entre ambos elementos de sujeción, siendo Preferably, the device for testing tubes of the present invention also comprises a rod placed between both fasteners, being

15 desplazable uno de dichos elementos de sujeción a lo largo de dicha varilla. 15 movable one of said fasteners along said rod.

Según una realización preferida, dicho elemento de sujeción es desplazable a lo largo de la varilla mediante una tuerca, y dichas tapas de cierre son tapas roscadas. According to a preferred embodiment, said fastener is movable along the rod by means of a nut, and said closure caps are screw caps.

20 Además, dichos elementos de sujeción comprenden preferentemente unas juntas de estanqueidad colocadas entre los elementos de sujeción y la pared interna de dicha carcasa. In addition, said fasteners preferably comprise sealing gaskets placed between the fasteners and the inner wall of said housing.

El dispositivo para realizar pruebas de tubos de la presente invención también comprende, The tube testing device of the present invention also comprises,

25 ventajosamente, un banco de ensayos donde se coloca dicha carcasa mediante un soporte giratorio, de manera que dicha carcasa es giratoria respecto a dicho banco de ensayos entre una posición substancialmente vertical y una posición substancialmente horizontal. Advantageously, a test bench where said housing is placed by means of a rotating support, so that said housing is rotatable with respect to said test bench between a substantially vertical position and a substantially horizontal position.

Además, según una realización preferida, dicha carcasa es cilíndrica y comprende un orificio 30 de purga. Furthermore, according to a preferred embodiment, said housing is cylindrical and comprises a vent hole 30.

Con el dispositivo para realizar pruebas de tubos de la presente invención es posible realizar pruebas de colapso de los tubos a una presión máxima de colapso de, por ejemplo, 7300 bar, ampliando el rango de presiones de colapso a mayores valores que con los dispositivos With the device for testing tubes of the present invention it is possible to perform tests of collapse of the tubes at a maximum collapse pressure of, for example, 7300 bar, extending the range of collapse pressures to greater values than with the devices

35 conocidos actualmente. 35 currently known.

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Breve descripción de los dibujos Brief description of the drawings

Para mejor comprensión de cuanto se ha expuesto, se acompañan unos dibujos en los que, esquemáticamente y tan sólo a título de ejemplo no limitativo, se representa un caso 5 práctico de realización. For a better understanding of what has been exposed, some drawings are attached in which, schematically and only by way of non-limiting example, a practical case of embodiment is represented.

La figura 1 es una vista en sección longitudinal del dispositivo para realizar pruebas de tubos de la presente invención; Figure 1 is a longitudinal sectional view of the device for testing tubes of the present invention;

10 La figura 2 es una vista lateral de un banco de ensayos donde se utiliza el dispositivo de la presente invención, en una posición de vertical del dispositivo, para su carga, llenado o purga del dispositivo; y Figure 2 is a side view of a test bench where the device of the present invention is used, in a vertical position of the device, for loading, filling or purging the device; Y

La figura 3 es una vista lateral de un banco de ensayos donde se utiliza el dispositivo de la 15 presente invención, en una posición de ensayo del dispositivo. Figure 3 is a side view of a test bench where the device of the present invention is used, in a test position of the device.

Descripción de una realización preferida Description of a preferred embodiment

En la figura 1 se muestra el dispositivo para realizar pruebas de tubos en sección Figure 1 shows the device for testing sectional tubes

20 longitudinal. El dispositivo comprende una carcasa 4, habitualmente de forma cilíndrica, en cuyo interior se aloja el tubo 3 sobre el que se realizará la prueba, en particular, una prueba de colapso a una muy alta presión. 20 longitudinal. The device comprises a housing 4, usually cylindrical in shape, inside which the tube 3 on which the test will be carried out is housed, in particular, a collapse test at a very high pressure.

El tubo 3 está sujeto en el interior de dicha carcasa 4 mediante un par de elementos de The tube 3 is secured inside said housing 4 by a pair of elements of

25 sujeción 1, 2, que sujetan los extremos del tubo. Además, entre dichos elementos de sujeción 1, 2 se extiende una varilla 7, que se introduce parcialmente en uno de los elementos de sujeción 1 y atraviesa completamente el otro de los elementos de sujeción 2, tal como se puede apreciar en la figura. 25 clamp 1, 2, which hold the ends of the tube. Furthermore, between said fasteners 1, 2 a rod 7 extends, which is partially inserted into one of the fasteners 1 and completely crosses the other of the fasteners 2, as can be seen in the figure.

30 Este segundo elemento de sujeción 2 es desplazable a lo largo de la varilla 7 mediante una tuerca 8, de manera que variando la posición de dicho elemento de sujeción 2 se puede adaptar la separación de ambos elementos de sujeción 1, 2 a la longitud del tubo 3 sobre el que se realizará la prueba. 30 This second fastener 2 is movable along the rod 7 by a nut 8, so that by varying the position of said fastener 2, the separation of both fasteners 1, 2 can be adapted to the length of the tube 3 on which the test will be performed.

35 Para garantizar la estanqueidad, dichos elementos de sujeción 1, 2 comprende unas juntas 9 colocadas entre los mismos y la superficie interna de la carcasa 4. Además, dicha carcasa 35 To ensure tightness, said fasteners 1, 2 comprise seals 9 placed between them and the inner surface of the housing 4. Furthermore, said housing

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4 está cerrada herméticamente por sus extremos mediante sendas tapas roscadas 6 y comprende un orificio de entrada 5 de agua a presión y un orificio de drenaje 12. Debe indicarse que la entrada y/o o retirada de agua o aire puede realizarse indistintamente mediante estos orificios 5, 12, ya que, tal como se puede apreciar en la figura 1, son 4 is hermetically sealed at its ends by means of threaded caps 6 and comprises an inlet port 5 of pressurized water and a drain hole 12. It should be noted that the entry and / or removal of water or air can be done interchangeably by these holes 5 , 12, since, as can be seen in Figure 1, they are

5 idénticos. 5 identical.

El dispositivo de la presente invención también comprende un banco de ensayos 10 donde se puede colocar dicha carcasa 4 mediante un soporte giratorio 11, permite girar dicha carcasa 4 entre una posición substancialmente vertical (figura 2) y una posición The device of the present invention also comprises a test bench 10 where said housing 4 can be placed by means of a rotating support 11, allows said housing 4 to be rotated between a substantially vertical position (Figure 2) and a position

10 substancialmente horizontal o ligeramente inclinada (figura 3). 10 substantially horizontal or slightly inclined (figure 3).

Para realizar la prueba de colapso de tubos, en primer lugar se coloca el tubo 3 en el interior de la carcasa 4, sujetando los extremos del tubo 3 entre dichos elementos de sujeción 1, 2 y moviendo uno de los mismos (elemento de sujeción 2) mediante la tuerca 8 para ajustar su To perform the pipe collapse test, first the tube 3 is placed inside the housing 4, holding the ends of the tube 3 between said clamping elements 1, 2 and moving one of them (clamping element 2 ) using nut 8 to adjust its

15 posición a la longitud del tubo 3. 15 position to the length of the tube 3.

Esta colocación del tubo 3 se realiza preferentemente con la carcasa 4 en su posición substancialmente vertical, que se muestra en la figura 2. También en esta posición se realiza el llenado de la carcasa 4 con agua y la purga de aire. This placement of the tube 3 is preferably performed with the housing 4 in its substantially vertical position, which is shown in Figure 2. Also in this position the filling of the housing 4 with water and the air purge is performed.

20 A continuación se aplica la presión que se desea al agua mediante un grupo de presión no representado en las figuras por ser convencional. Este grupo de presión permite la introducción o retirada de agua y aire a presión al interior de la carcasa 4. 20 The desired pressure is then applied to the water by means of a pressure group not shown in the figures as being conventional. This pressure group allows the introduction or removal of pressurized water and air into the housing 4.

25 Esta presión que se le proporciona al agua en el interior de la carcasa 4 es la adecuada para realizar la prueba deseada de colapso de tubos. 25 This pressure that is given to the water inside the housing 4 is adequate to perform the desired pipe collapse test.

A pesar de que se ha hecho referencia a una realización concreta de la invención, es evidente para un experto en la materia que el dispositivo para realizar pruebas de tubos Although reference has been made to a specific embodiment of the invention, it is apparent to one skilled in the art that the device for testing tubes

30 descrito es susceptible de numerosas variaciones y modificaciones, y que todos los detalles mencionados pueden ser sustituidos por otros técnicamente equivalentes, sin apartarse del ámbito de protección definido por las reivindicaciones adjuntas. The described one is susceptible of numerous variations and modifications, and that all the mentioned details can be replaced by other technically equivalent ones, without departing from the scope of protection defined by the appended claims.

Claims (8)

P201330517 P201330517 11-04-2013 04-11-2013 REIVINDICACIONES
1. one.
Dispositivo para realizar pruebas de tubos, que comprende un par de elementos de sujeción (1, 2) que sujetan los extremos del tubo (3) sobre el que se realiza la prueba, caracterizado porque comprende una carcasa (4) en cuyo interior se coloca el tubo (3) sobre el que se realiza la prueba, comprendiendo dicha carcasa (4) al menos una entrada (5) de agua a presión y unas tapas de cierre (6) para el sellado de dicha carcasa (4). Device for testing tubes, comprising a pair of fasteners (1, 2) that hold the ends of the tube (3) on which the test is carried out, characterized in that it comprises a housing (4) inside which it is placed the tube (3) on which the test is performed, said housing (4) comprising at least one inlet (5) of pressurized water and closing caps (6) for sealing said housing (4).
2. 2.
Dispositivo para realizar pruebas de tubos según la reivindicación 1, que también comprende una varilla (7) colocada entre ambos elementos de sujeción (1, 2), siendo desplazable uno de dichos elementos de sujeción (2) a lo largo de dicha varilla (7). Device for testing tubes according to claim 1, which also comprises a rod (7) placed between both fasteners (1, 2), one of said fasteners (2) being movable along said rod (7 ).
3. 3.
Dispositivo para realizar pruebas de tubos según la reivindicación 2, en el que dicha elemento de sujeción (2) es desplazable a lo largo de la varilla (7) mediante una tuerca (8). Device for testing tubes according to claim 2, wherein said clamping element (2) is movable along the rod (7) by means of a nut (8).
4. Four.
Dispositivo para realizar pruebas de tubos según la reivindicación 1, en el que dichas tapas de cierre (6) son tapas roscadas. Device for testing tubes according to claim 1, wherein said closure caps (6) are screw caps.
5. 5.
Dispositivo para realizar pruebas de tubos según la reivindicación 1, en el que dichos elementos de sujeción (1, 2) comprenden unas juntas de estanqueidad (9) colocadas entre los elementos de sujeción (1, 2) y la pared interna de dicha carcasa (4). Device for testing tubes according to claim 1, wherein said fasteners (1, 2) comprise sealing gaskets (9) placed between the fasteners (1, 2) and the inner wall of said housing ( 4).
6. 6.
Dispositivo para realizar pruebas de tubos según la reivindicación 1, que también comprende un banco de ensayos (10) donde se coloca dicha carcasa (4) mediante un soporte giratorio (11), de manera que dicha carcasa (4) es giratoria respecto a dicho banco de ensayos (10) entre una posición substancialmente vertical y una posición substancialmente horizontal. Device for testing tubes according to claim 1, which also comprises a test bench (10) where said housing (4) is placed by means of a rotating support (11), so that said housing (4) is rotatable with respect to said test bench (10) between a substantially vertical position and a substantially horizontal position.
7. 7.
Dispositivo para realizar pruebas de tubos según la reivindicación 1, en el que dicha carcasa (4) es cilíndrica. Device for testing tubes according to claim 1, wherein said housing (4) is cylindrical.
8. 8.
Dispositivo para realizar pruebas de tubos según la reivindicación 1, en el que dicha carcasa (4) comprende un orificio de purga (12). Device for testing tubes according to claim 1, wherein said housing (4) comprises a drain hole (12).
6 6
ES201330517A 2013-04-11 2013-04-11 Device for testing tubes Active ES2507041B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

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ES201330517A ES2507041B1 (en) 2013-04-11 2013-04-11 Device for testing tubes

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ES2507041A1 true ES2507041A1 (en) 2014-10-13
ES2507041B1 ES2507041B1 (en) 2015-09-29

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2612286A (en) * 1947-04-29 1952-09-30 United States Steel Corp Closure and seal therefor
US3070993A (en) * 1959-02-16 1963-01-01 Anaconda American Brass Co Tube leakage testing apparatus
US4502323A (en) * 1982-06-30 1985-03-05 Kk Yamamoto Suiatsu Kogyosho Method and apparatus for performing a hydraulic pressure test on a tube
US5025657A (en) * 1989-03-01 1991-06-25 Helga Schenk Process and device for testing the tightness of a flexible plastic container

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2612286A (en) * 1947-04-29 1952-09-30 United States Steel Corp Closure and seal therefor
US3070993A (en) * 1959-02-16 1963-01-01 Anaconda American Brass Co Tube leakage testing apparatus
US4502323A (en) * 1982-06-30 1985-03-05 Kk Yamamoto Suiatsu Kogyosho Method and apparatus for performing a hydraulic pressure test on a tube
US5025657A (en) * 1989-03-01 1991-06-25 Helga Schenk Process and device for testing the tightness of a flexible plastic container

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