WO2014177135A1 - Dispositif et procédé pour contrôler un tuyau flexible - Google Patents

Dispositif et procédé pour contrôler un tuyau flexible Download PDF

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Publication number
WO2014177135A1
WO2014177135A1 PCT/DE2014/100146 DE2014100146W WO2014177135A1 WO 2014177135 A1 WO2014177135 A1 WO 2014177135A1 DE 2014100146 W DE2014100146 W DE 2014100146W WO 2014177135 A1 WO2014177135 A1 WO 2014177135A1
Authority
WO
WIPO (PCT)
Prior art keywords
hose
fluid
test
testing
test fluid
Prior art date
Application number
PCT/DE2014/100146
Other languages
German (de)
English (en)
Inventor
Heinz Bormann
Daniel Bormann
Original Assignee
Heinz Bormann
Daniel Bormann
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Heinz Bormann, Daniel Bormann filed Critical Heinz Bormann
Publication of WO2014177135A1 publication Critical patent/WO2014177135A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating 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
    • G01M3/28—Investigating 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
    • G01M3/2846—Investigating 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 for tubes
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C33/00—Hose accessories

Definitions

  • the invention relates to a device for testing a hose having two end sections, in particular a fire hose, comprising conduit means enclosing the hose on both sides and having at least two shut-off devices arranged on both sides of the hose.
  • the invention also relates to a method for testing a two end sections
  • hose in particular a fire hose, in which the hose first filled with a test fluid, the test fluid then with a test pressure
  • test devices are used.
  • test devices carried the promotion of the test fluid and the generation of the test pressure by means of one or more test fluid pumps, which are usually driven electrically.
  • a test apparatus and a test method for a fire hose are known, for example, from the printed publication DE 10 2007 012 147 B4. To test its tightness, the fire hose is partially filled with a test substance and exposed to a test pressure. Furthermore, DE 102 22 615 A1 discloses a device for pressure testing of at least one fire hose, in which the entire hose is filled with a test fluid for testing. In this case, the hose is filled by means of a connection element for one or both end pieces of the fire hose with a fluid and with a
  • Fire hose increased by means of a likewise connected to the respective filler neck pressure line until reaching a test pressure and after reaching the
  • Test pressure a shut-off element of the pressure line closed.
  • a pressure drop is detected by means of a respective fire hose associated pressure sensor.
  • the document DE 102 25 696 A1 describes a method for testing a
  • a fire hose in which, prior to testing, a test fluid is moved out of a supply volume and into or out of the hose and out of the hose and into the storage volume.
  • the movement of the test fluid takes place by means of a mechanical pump.
  • Such pumps are not only expensive to buy, they are maintenance-intensive and wear out quickly.
  • the invention is therefore an object of the invention to provide an apparatus and a method by which the test of a tube cheaper and less
  • Supply volume for a test fluid wherein the storage volume for the displacement of the test fluid into the tube is connected to a delivery fluid supply and / or in the reservoir volume for displacement of the test fluid in the hose, a translationally movable piston is arranged. This makes it possible that the movement of the test fluid can take place without the test fluid has to be pumped or circulated by a pump.
  • test fluid is displaced back and forth between a test position in the hose and a rest position outside the hose, in particular in a closed system comprising the hose to be tested, at least one supply volume and line devices which enclose the hose on both sides and connect to the at least one supply volume.
  • a closed system comprising the hose to be tested, at least one supply volume and line devices which enclose the hose on both sides and connect to the at least one supply volume.
  • Hose displaced from the rest position, in particular from a storage volume out into the test position. After testing the hose, the test fluid is displaced out of a test position into a rest position, in particular into a storage volume. For the test, it is particularly favorable that the conduit facilities
  • shut-off devices wherein each end portion of the hose is associated with at least one shut-off device. If the shut-off devices are closed after the hose has been filled and / or after the test pressure has been built up, it is easily possible to maintain the test pressure for the required test time without energy supply.
  • the shut-off devices of both end sections of the hose are first opened. The test fluid is introduced through one of the two end sections in the
  • Hose moves. In the conduit means is close to at least one of
  • End portions of the hose arranged a sensor for detecting test fluid. While the inlet of the test fluid is made via a first of the two end portions, the sensor detects at a second of the end portions the test fluid leaving the hose. Then, the shut-off device of the second end portion is first closed. Thereafter, the test pressure is built up in the tube and finally the shut-off of the first End section closed. After testing, the shut-off devices of one, preferably both, end portions of the tube are opened so that the test fluid can be moved out of the tube.
  • the conveying fluid is a gas, preferably air, in particular compressed air.
  • the test fluid is a liquid, preferably water.
  • compressed air as a delivery fluid allows the use of compressed air available in the Feuertchnischen control panels anyway.
  • the other of the end sections of the hose is connected to a delivery fluid supply.
  • the emptying of the tube can be done on the one hand by the generation of a negative pressure at one end portion, in particular in the storage volume.
  • the sample fluid may be more rapidly expelled from the delivery fluid having delivery fluid out of the tube and back into the storage volume.
  • the test fluid can take its rest position mutually in the storage volume.
  • the respective other of the storage volume can be used for the temporary storage of delivery fluid.
  • the test fluid always assumes its rest position only in one of the storage volumes, while the other of the storage volumes is designed as a pure delivery fluid storage.
  • the delivery fluid supply can therefore be a storage volume and / or a delivery fluid reservoir and / or a compressor and / or a delivery fluid connection in the conduit device.
  • Delivery fluid supplies which have a different operating pressure.
  • a transport fluid originating from a compressor with an overpressure over an environment of 0.5 to 6 bar is provided for the movement of the test fluid, while that from a delivery fluid reservoir, in particular a Respiratory fluid originating and provided for the construction of the test pressure conveying fluid has a pressure of 20 to 300 bar.
  • Delivery fluid supply of a second delivery fluid connects to the conduit means.
  • the second delivery fluid which has a higher pressure than the first delivery fluid, moves the remainder of the test fluid present in the conduit device into the tube.
  • the first delivery fluid requires a large volume to quickly move the assay fluid in and out of the tubing.
  • the pressure of the first delivery fluid in particular its overpressure relative to the surrounding atmosphere, may be low.
  • the second delivery fluid no longer has to displace much mass and volume, but has a much higher pressure.
  • only a single conveying fluid can be used. However, this must have an operating pressure that corresponds at least to the test pressure.
  • the reservoir volume has a delivery fluid port through which fluid from a compressor enters
  • Supply volume flows and displaces the test fluid contained therein in the hose. Since a large amount of delivery fluid would have to be introduced into the reservoir volume which was largely emptied by the test fluid in order to achieve the required test pressure, the
  • shut-off device at the outlet of the storage volume and the delivery fluid connection to the storage volume closed and opened the shut-off device at a arranged between the reservoir volume and hose conveying fluid port.
  • the at least the test pressure having conveying fluid from the compressor in the
  • Flow conduit means and be constructed with a small amount of fluid in the test fluid test pressure.
  • shut-off device is arranged between the two storage volumes for the direct connection of the two storage volumes. This makes it possible to exchange delivery fluid between the two storage volumes.
  • Connection of the storage volume is provided as a bypass in parallel and bypassing the connection via the hose. While the hose is being tested, the
  • the delivery fluid port provided between the reservoir volume and the hose is preferably located near the reservoir volume and remote from the hose.
  • the remaining conduit means extending between the delivery fluid port and the tube can serve as a reservoir for test fluid, which is still moved by the delivery fluid into the tube during construction of the test pressure.
  • the volume of this section of the conduit means is less than 4 liters, preferably 2 liters.
  • a fire hose holds a volume of 20 liters to over 200 liters.
  • a development of the invention relates to an embodiment in which a compressor for the conveying fluid is connected on the input side to one of the two storage volumes and / or to the environment and on the output side to the other of the two storage volumes and / or to the delivery fluid connection between storage volume and hose.
  • Input side of a compressor is also called suction side.
  • the pressure here is lower than at the outlet side of the compressor.
  • the pressure on the outlet side must not be less than the pressure of the environment.
  • the compressor for generating the operating pressure in the conveying fluid is usually driven by a motor. It is also possible to drive the compressor pneumatically, such as a turbocharger.
  • the pressurized delivery fluid to be discharged from a storage volume into the environment can be used to drive the turbine.
  • the movement of the test fluid into the tube and out of the tube as well as the application of the test fluid with a test pressure is carried out as already described by means of a preferably acting directly on the test fluid delivery fluid.
  • the movement of the Test fluid as well as the loading of the test fluid with a test pressure can, however, also be effected by means of a piston acting on the test fluid. This piston can
  • the delivery fluid for example, be freely movable in the reservoir volume and the delivery fluid to be separated from the test fluid.
  • the spatial separation of the delivery fluid and the test fluid ensures that the test fluid does not enter the compressor.
  • the piston can also be movably connected to the storage volume and have a drive which moves the piston relative to the storage volume.
  • This drive can be, for example, a cylinder, a toothed or threaded rod or a linkage.
  • the cylinder is actuated hydraulically or preferably pneumatically, in particular by means of the delivery fluid. Toothed or threaded rods and / or linkage are preferably actuated by a motor, wherein the drive motor may be an internal combustion engine or an electric motor.
  • the drive motor may be an internal combustion engine or an electric motor.
  • Another advantage of the invention is the lower power consumption of a compressor compared to the otherwise common test fluid pumps.
  • the invention further relates to a method for positioning a hose in a device in which, at least in a hose arranged in windings and / or bays and / or stretched out on the device and filled with a pressurized fluid, the pressure in the pressurized fluid is at short intervals in several successive intervals is increased compared to a base pressure. This will make it possible for the
  • the intermittent pressure increase is preferably sudden and pulsed in the form of a pulse burst, wherein the phase of increased pressure is shorter than the break between two individual pressure increases.
  • the pressurized fluid is, for example, one
  • the pressure increase is by an additional introduction of a medium identical to the pressure fluid or other medium in the Hose reached.
  • the pressurized fluid is usually water, the pressure increase is carried out according to a preferred embodiment by the intermittent introduction of compressed air into the hose.
  • an embodiment of the invention is shown and is in
  • the drawing shows a device for testing a fire hose in a schematic representation.
  • the device 1 for testing a hose 2 consists of line devices 3, which enclose the hose 2 on both sides.
  • the hose 2 has two end sections 4, 5.
  • the line devices 3 comprise two shut-off devices 6, 12 arranged on both sides of the hose 2 and two shutters arranged on both sides of the hose 2
  • the storage volume 7, 13 serve to receive the test fluid 8.
  • the delivery fluid 10 is compressed, for example in the storage volume 7.
  • the delivery fluid 10 exerts a force F on the test fluid 8. If the shut-off devices 6, 12 arranged on both sides of the hose 2 are opened, the test fluid 8 is displaced out of the storage volume 7 through the end section 5 into the hose 2.
  • the storage volume 7 is for this purpose connected to a delivery fluid supply 11. The air in the tube 2 leaves this over the end portion 4 and is received by the storage volume 13 and / or via a delivery fluid drain 14 in the
  • the delivery fluid drain 14 and the delivery fluid supply 11 are associated with an upper end of the storage volumes 7, 13.
  • the test fluid 8 passes through a from the upper end of the storage volume 7, 13 to the lower end of the storage volume 7, 13 and at the lower end of the storage volume 7, 13 to the storage volume 7, 13 open riser 15 into the storage volume 7, 13 in and from the storage volume 7, 13 out.
  • shut-off device 12 is closed and the test pressure in the hose 2 is established. If the test pressure is reached, the other shut-off device 6 is closed. During the test, the winningfluidablasse 14 are closed and the shut-off 17 between the
  • shut-off devices 6, 12 and the delivery fluid drain 14 of the storage volume 7 is opened.
  • the delivery fluid 10 from the storage volume 13 displaces the test fluid 8 back into the Reservoir volume 7. If the pressure and / or the volume of the delivery fluid 10 in the storage volume 13 are insufficient for emptying the hose 2, then the shut-off device 17 associated with the storage volume 13 is opened and the delivery fluid 10 is directed from the compressor 9 into the storage volume 13.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

L'invention concerne un dispositif (1) servant à contrôler un tuyau flexible (2), notamment un tuyau d'incendie, présentant deux parties terminales (4, 5), ledit dispositif comprenant des conduites (3) qui sont situées à chaque extrémité du tuyau flexible (2) et qui présentent au moins deux dispositifs d'obturation (6,12) disposés des deux côtés du tuyau (2). Selon l'invention, ce dispositif (1) présente au moins un volume de réserve (7,13) destiné à un fluide de contrôle (8), ledit au moins un volume de réserve (7,13) étant raccordé à une alimentation de fluide de refoulement (11) pour faire pénétrer le fluide de contrôle (8) au moyen d'un fluide de refoulement (10) à l'intérieur du tuyau flexible (2) et/ou un piston mobile en translation est disposé dans ledit au moins un volume de réserve (7,13) pour faire pénétrer le fluide de contrôle (8) dans le tuyau flexible (2). L'invention concerne également un procédé pour contrôler un tuyau flexible (2), notamment un tuyau incendie, présentant deux parties terminales (4, 5), procédé selon lequel le tuyau flexible (2) est tout d'abord rempli d'un fluide de contrôle (8), ce dernier étant ensuite soumis à l'action d'une pression de contrôle puis retiré du tuyau (2). Selon l'invention, le fluide de contrôle (8) est déplacé selon un mouvement de va-et-vient entre une position de contrôle dans le tuyau flexible (2) et une position de repos à l'extérieur du tuyau flexible (2), le fluide de contrôle (8) étant déplacé avant le contrôle du tuyau flexible (2) pour passer de sa position de repos à sa position de contrôle, et, après contrôle du tuyau flexible (2), pour passer de sa position de contrôle à sa position de repos.
PCT/DE2014/100146 2013-05-03 2014-04-29 Dispositif et procédé pour contrôler un tuyau flexible WO2014177135A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013104576.6 2013-05-03
DE102013104576.6A DE102013104576A1 (de) 2013-05-03 2013-05-03 Vorrichtung und Verfahren zur Prüfung eines Schlauches

Publications (1)

Publication Number Publication Date
WO2014177135A1 true WO2014177135A1 (fr) 2014-11-06

Family

ID=50942548

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2014/100146 WO2014177135A1 (fr) 2013-05-03 2014-04-29 Dispositif et procédé pour contrôler un tuyau flexible

Country Status (2)

Country Link
DE (1) DE102013104576A1 (fr)
WO (1) WO2014177135A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI681177B (zh) * 2018-10-30 2020-01-01 戴益達 電動水帶快速接頭耐水壓測試機

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216666A (en) * 1988-03-14 1989-10-11 Terence Roy Parlour Device for detecting gas for water leaks
DE4413273C1 (de) * 1994-04-16 1995-08-10 Karl Hafenrichter Verfahren zum Prüfen von Feuerwehrschläuchen
JPH0821781A (ja) * 1994-07-06 1996-01-23 Fuji Robin Ind Ltd 消防ホース用耐圧試験装置
DE10225696A1 (de) 2001-06-11 2002-12-12 Va Engineerig Oy Hammaslahti Eine Prüfdruckmethode für einen Feuerlöschschlauch und eine Einrichtung nach der Mathode
DE10222615A1 (de) 2002-05-21 2003-10-02 Heinz Bormann Vorrichtung zur Druckprüfung von Feuerwehrschläuchen
DE20309228U1 (de) * 2003-06-14 2003-10-30 Rabach Klaus Wandschlauchhaspelprüfgerät (WSHPG)
DE10223814B3 (de) 2002-05-28 2004-03-11 Heinz Bormann Verfahren und Vorrichtung zum Prüfen von Feuerwehrschläuchen
DE102007012147B4 (de) 2007-03-12 2008-11-27 Heinz Bormann Prüfvorrichtung für einen Feuerwehrschlauch und Prüfverfahren zur Anwendung der Prüfvorrichtung
US20110178736A1 (en) * 2010-01-19 2011-07-21 Greene's Energy Group, Llc Hydrostatic Pressure Testing System and Method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241199C1 (de) * 1992-12-08 1993-11-25 Schmidt & Co Gmbh Kranz Anordnung zum Umwälzen eines hydraulischen Prüfmediums zur Impulsprüfung von Hydraulikbauelementen
DE4432473C2 (de) * 1994-09-13 1999-02-11 Rothenberger Werkzeuge Ag Verfahren und Vorrichtung zur Dichtheitsprüfung von Rohrleitungen, insbesondere von Abwasserleitungen
DE29617060U1 (de) * 1996-10-02 1996-12-05 August Paul Gerät zur Prüfung der Dichtheit von Flüssigkeitsleitungen

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2216666A (en) * 1988-03-14 1989-10-11 Terence Roy Parlour Device for detecting gas for water leaks
DE4413273C1 (de) * 1994-04-16 1995-08-10 Karl Hafenrichter Verfahren zum Prüfen von Feuerwehrschläuchen
JPH0821781A (ja) * 1994-07-06 1996-01-23 Fuji Robin Ind Ltd 消防ホース用耐圧試験装置
DE10225696A1 (de) 2001-06-11 2002-12-12 Va Engineerig Oy Hammaslahti Eine Prüfdruckmethode für einen Feuerlöschschlauch und eine Einrichtung nach der Mathode
DE10222615A1 (de) 2002-05-21 2003-10-02 Heinz Bormann Vorrichtung zur Druckprüfung von Feuerwehrschläuchen
DE10223814B3 (de) 2002-05-28 2004-03-11 Heinz Bormann Verfahren und Vorrichtung zum Prüfen von Feuerwehrschläuchen
DE20309228U1 (de) * 2003-06-14 2003-10-30 Rabach Klaus Wandschlauchhaspelprüfgerät (WSHPG)
DE102007012147B4 (de) 2007-03-12 2008-11-27 Heinz Bormann Prüfvorrichtung für einen Feuerwehrschlauch und Prüfverfahren zur Anwendung der Prüfvorrichtung
US20110178736A1 (en) * 2010-01-19 2011-07-21 Greene's Energy Group, Llc Hydrostatic Pressure Testing System and Method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI681177B (zh) * 2018-10-30 2020-01-01 戴益達 電動水帶快速接頭耐水壓測試機

Also Published As

Publication number Publication date
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