EP1306857A1 - Grasp trunnion for a container adapted for receiving radioactive substances - Google Patents

Grasp trunnion for a container adapted for receiving radioactive substances Download PDF

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Publication number
EP1306857A1
EP1306857A1 EP01125521A EP01125521A EP1306857A1 EP 1306857 A1 EP1306857 A1 EP 1306857A1 EP 01125521 A EP01125521 A EP 01125521A EP 01125521 A EP01125521 A EP 01125521A EP 1306857 A1 EP1306857 A1 EP 1306857A1
Authority
EP
European Patent Office
Prior art keywords
trunnion
hollow cylinder
support body
cylinder body
transverse wall
Prior art date
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
EP01125521A
Other languages
German (de)
French (fr)
Other versions
EP1306857B1 (en
Inventor
Konrad Gluschke
Dieter Methling
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GNS Gesellschaft fuer Nuklearservice mbH
Original Assignee
GNB GmbH
GNB Gesellschaft fuer Nuklear Behaelter mbH
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 GNB GmbH, GNB Gesellschaft fuer Nuklear Behaelter mbH filed Critical GNB GmbH
Priority to EP01125521A priority Critical patent/EP1306857B1/en
Priority to AT01125521T priority patent/ATE327559T1/en
Priority to DE50109892T priority patent/DE50109892D1/en
Priority to CZ20023494A priority patent/CZ296361B6/en
Priority to US10/278,002 priority patent/US6724853B2/en
Publication of EP1306857A1 publication Critical patent/EP1306857A1/en
Application granted granted Critical
Publication of EP1306857B1 publication Critical patent/EP1306857B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/14—Devices for handling containers or shipping-casks, e.g. transporting devices loading and unloading, filling of containers

Definitions

  • the invention relates to a trunnion for receiving radioactive substances certain containers, consisting of a Hollow cylinder body with mounting flange on the end Attach the trunnion to a container by means of Screws and with one in the hollow cylinder body Querwandungsan ever.
  • the invention has for its object a trunnion of the type mentioned in such a way that it is normal Transport as it were undeformable and in the event of an accident behaves as if soft.
  • the solution to this problem according to the invention consists in that the transverse wall arrangement consists of at least one non-positive support body inserted into the hollow cylinder body consists.
  • the advantage achieved by the invention is that the support body has the same function during normal transport how the known transverse wall arrangement met. in addition but comes that with a vertical impact on the Support pin of the support body loses its function and the Deformation of the trunnion is not hindered.
  • the support body is preferred inserted with press fit in the hollow cylinder body.
  • the support body it is recommended to use the support body far from that having the mounting flange Insert end into the hollow cylinder body, the Arrangement expediently in the load entry area of the Trunnion takes place.
  • the support body itself can be made at least one disc and / or a ring exist. Possible is, for example, a one-piece support body one disc and one spaced behind it Ring. For the rest, it is recommended the thickness of the support body to adapt to the permissible surface pressure.
  • the trunnion shown in the figure is for containers determined, which in turn absorb radioactive substances should.
  • the trunnion has a basic structure from a hollow cylinder body 1 with one on one End provided mounting flange 2 for attaching the Support pin on a container by means of screws.
  • the hollow cylinder body 1 has a transverse wall arrangement 3 on.
  • This transverse wall arrangement 3 consists of a non-positive, z. B. by an interference fit in the hollow cylinder body 1 used support body 5.
  • the support body is as shown of the mounting flange 2 end up to a stop level 6 or 7 inserted into the hollow cylinder body 1 and has holes 4 to vent the limited by the stop level 6 Space when inserting the support body.
  • the support body 3 is located in the load entry area of the trunnion and its thickness is adapted to the permissible surface pressure. As can be seen from the figure, there is Support body 3 essentially from a disc 8 and a spaced ring 9. Disc 8 and Ring 9 thus form the one-piece support body 5.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Refuse Receptacles (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Measurement Of Radiation (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

Lifting lug, for containers housing radioactive substances, comprises a cylindrical hollow body (1) with a fixing flange (2) at one end for fixing the lifting lug on a container using screws, and a transverse wall arrangement (3) within the cylindrical hollow body. The transverse wall arrangement comprises at least one support body (5) inserted in a force-locking manner in the cylindrical hollow body. <??>Preferred Features: The support body comprises at least one disk (8) and/or a ring (9), and is inserted with a press fit in the cylindrical hollow body from the fixing flange end.

Description

Die Erfindung betrifft einen Tragzapfen für zur Aufnahme radioaktiver Stoffe bestimmte Behälter, bestehend aus einem Zylinderhohlkörper mit endseitigem Befestigungsflansch zum Befestigen des Tragzapfens an einem Behälter mittels Schrauben und mit einer im Zylinderhohlkörper befindlichen Querwandungsanordnung.The invention relates to a trunnion for receiving radioactive substances certain containers, consisting of a Hollow cylinder body with mounting flange on the end Attach the trunnion to a container by means of Screws and with one in the hollow cylinder body Querwandungsanordnung.

Bei aus dem Stand der Technik bekannten, druckschriftlich nicht näher belegten Tragzapfen der genannten Art besteht die Querwandungsanordnung regelmäßig aus einer Scheibe oder einem Ring, die bzw. der mit dem Zylinderhohlkörper einstückig ist. Durch die Gestaltung soll eine gewisse Nachgiebigkeit bei einem Unfall gegeben sein, während die Querwandungsanordnung die Ovalisierung des Zylinderhohlkörpers unter Last begrenzen soll. Die beschriebene Gestaltung wird beiden Gesichtspunkten jedoch nicht gerecht, insbesondere wegen des relativ starren Verhaltens bei einem Unfall.In printed form known from the prior art there is unspecified trunnion of the type mentioned the transverse wall arrangement regularly from a disc or a ring that is integral with the hollow cylinder body is. The design should have a certain flexibility be given in an accident while the transverse wall arrangement the ovalization of the hollow cylinder body limit under load. The design described is not fair to either point of view, in particular because of the relatively rigid behavior in an accident.

Der Erfindung liegt die Aufgabe zugrunde, einen Tragzapfen der genannten Art so auszubilden, dass er sich beim normalen Transport gleichsam unverformbar und bei einem Unfall gleichsam weich verhält.The invention has for its object a trunnion of the type mentioned in such a way that it is normal Transport as it were undeformable and in the event of an accident behaves as if soft.

Die erfindungsgemäße Lösung dieser Aufgabe besteht darin, dass die Querwandungsanordnung aus zumindest einem kraftschlüssig in den Zylinderhohlkörper eingesetzten Stützkörper besteht. The solution to this problem according to the invention consists in that the transverse wall arrangement consists of at least one non-positive support body inserted into the hollow cylinder body consists.

Der durch die Erfindung erreichte Vorteil besteht darin, dass der Stützkörper beim normalen Transport dieselbe Funktion wie die bekannte Querwandungsanordnung erfüllt. Hinzu kommt aber, dass bei einem senkrechten Aufprall auf den Tragzapfen der Stützkörper seine Funktion verliert und die Deformation des Tragzapfens nicht behindert.The advantage achieved by the invention is that the support body has the same function during normal transport how the known transverse wall arrangement met. in addition but comes that with a vertical impact on the Support pin of the support body loses its function and the Deformation of the trunnion is not hindered.

Für die weitere Ausgestaltung bestehen im Rahmen der Erfindung mehrere Möglichkeiten. So ist der Stützkörper vorzugsweise mit Presspassung in den Zylinderhohlkörper eingesetzt. In diesem Zusammenhang empfiehlt es sich, den Stützkörper fern von dem den Befestigungsflansch aufweisenden Ende her in den Zylinderhohlkörper einzusetzen, wobei die Anordnung zweckmäßigerweise im Lasteintragsbereich des Tragzapfens stattfindet. Der Stützkörper selbst kann aus zumindest einer Scheibe und/oder einem Ring bestehen. Möglich ist beispielsweise ein einstückiger Stützkörper aus einer Scheibe und einem mit Abstand dahinter angeordneten Ring. Im Übrigen empfiehlt es sich, die Dicke des Stützkörpers der zulässigen Flächenpressung anzupassen.For the further embodiment, there are within the scope of the invention more options. So the support body is preferred inserted with press fit in the hollow cylinder body. In this context, it is recommended to use the support body far from that having the mounting flange Insert end into the hollow cylinder body, the Arrangement expediently in the load entry area of the Trunnion takes place. The support body itself can be made at least one disc and / or a ring exist. Possible is, for example, a one-piece support body one disc and one spaced behind it Ring. For the rest, it is recommended the thickness of the support body to adapt to the permissible surface pressure.

Im Folgenden wird die Erfindung anhand einer ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert. Die einzige Figur zeigt im Querschnitt einen Tragzapfen.In the following, the invention is based on an exemplary embodiment illustrative drawing explained in more detail. The single figure shows a trunnion in cross section.

Der in der Figur dargestellte Tragzapfen ist für Behälter bestimmt, die ihrerseits radioaktive Stoffe aufnehmen sollen. In seinem grundsätzlichen Aufbau besteht der Tragzapfen aus einem Zylinderhohlkörper 1 mit einem an einem Ende vorgesehenen Befestigungsflansch 2 zum Befestigen des Tragzapfens an einem Behälter mittels Schrauben. Außerdem weist der Zylinderhohlkörper 1 eine Querwandungsanordnung 3 auf.The trunnion shown in the figure is for containers determined, which in turn absorb radioactive substances should. The trunnion has a basic structure from a hollow cylinder body 1 with one on one End provided mounting flange 2 for attaching the Support pin on a container by means of screws. Moreover the hollow cylinder body 1 has a transverse wall arrangement 3 on.

Diese Querwandungsanordnung 3 besteht aus einem kraftschlüssig, z. B. durch eine Presspassung, in den Zylinderhohlkörper 1 eingesetzten Stützkörper 5. Der Stützkörper ist wie dargestellt von dem den Befestigungsflansch 2 aufweisenden Ende her bis zu einer Anschlagsstufe 6 bzw. 7 in den Zylinderhohlkörper 1 eingesetzt und weist Bohrungen 4 zur Entlüftung des von der Anschlagstufe 6 begrenzten Raumes beim Einsetzen des Stützkörpers auf. Der Stützkörper 3 befindet sich im Lasteintragsbereich des Tragzapfens und ist in seiner Dicke der zulässigen Flächenpressung angepasst. Wie aus der Figur ersichtlich ist, besteht der Stützkörper 3 im Wesentlichen aus einer Scheibe 8 und einem mit Abstand dahinter angeordneten Ring 9. Scheibe 8 und Ring 9 bilden mithin den einstückigen Stützkörper 5.This transverse wall arrangement 3 consists of a non-positive, z. B. by an interference fit in the hollow cylinder body 1 used support body 5. The support body is as shown of the mounting flange 2 end up to a stop level 6 or 7 inserted into the hollow cylinder body 1 and has holes 4 to vent the limited by the stop level 6 Space when inserting the support body. The support body 3 is located in the load entry area of the trunnion and its thickness is adapted to the permissible surface pressure. As can be seen from the figure, there is Support body 3 essentially from a disc 8 and a spaced ring 9. Disc 8 and Ring 9 thus form the one-piece support body 5.

Claims (6)

Tragzapfen für zur Aufnahme radioaktiver Stoffe bestimmte Behälter, bestehend aus einem Zylinderhohlkörper (1) mit endseitigem Befestigungsflansch (2) zum Befestigen des Tragzapfens an einem Behälter mittels Schrauben und mit einer im Zylinderhohlkörper (1) befindlichen Querwandungsanordnung (3), dadurch gekennzeichnet, dass die Querwandungsanordnung (3) aus zumindest einem kraftschlüssig in den Zylinderhohlkörper (1) eingesetzten Stützkörper (5) besteht.Trunnion for containers intended to hold radioactive substances, consisting of a hollow cylinder body (1) with an end mounting flange (2) for fastening the trunnion to a container by means of screws and with a transverse wall arrangement (3) located in the hollow cylinder body (1), characterized in that the Transverse wall arrangement (3) consists of at least one support body (5) inserted non-positively into the hollow cylinder body (1). Tragzapfen nach Anspruch 1, dadurch gekennzeichnet, dass der Stützkörper (5) mit Presspassung in den Zylinderhohlkörper (1) eingesetzt ist.Trunnion according to claim 1, characterized in that the support body (5) is press-fitted into the hollow cylinder body (1). Tragzapfen nach Anspruch 2, dadurch gekennzeichnet, dass der Stützkörper (5) von dem den Befestigungsflansch (2) aufweisenden Ende her in den Zylinderhohlkörper (1) eingesetzt ist.Support pin according to claim 2, characterized in that the support body (5) is inserted into the hollow cylinder body (1) from the end having the fastening flange (2). Tragzapfen nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Stützkörper (5) im Lasteintragsbereich des Tragzapfens angeordnet ist.Trunnion according to one of claims 1 to 3, characterized in that the supporting body (5) is arranged in the load entry area of the trunnion. Tragzapfen nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Stützkörper (5) aus zumindest einer Scheibe (8) und/oder einem Ring (9) besteht. Trunnion according to one of claims 1 to 4, characterized in that the support body (5) consists of at least one disc (8) and / or a ring (9). Tragzapfen nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Dicke des Stützkörpers (5) der zulässigen Flächenpressung angepasst ist.Support pin according to one of claims 1 to 5, characterized in that the thickness of the support body (5) is adapted to the permissible surface pressure.
EP01125521A 2001-10-23 2001-10-23 Grasp trunnion for a container adapted for receiving radioactive substances Expired - Lifetime EP1306857B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP01125521A EP1306857B1 (en) 2001-10-23 2001-10-23 Grasp trunnion for a container adapted for receiving radioactive substances
AT01125521T ATE327559T1 (en) 2001-10-23 2001-10-23 SUPPORT PIN FOR CONTAINERS DESIGNED TO HOLD RADIOACTIVE SUBSTANCES
DE50109892T DE50109892D1 (en) 2001-10-23 2001-10-23 Trunnion for containers intended for receiving radioactive substances
CZ20023494A CZ296361B6 (en) 2001-10-23 2002-10-21 Lifting lug for a nuclear-waste container
US10/278,002 US6724853B2 (en) 2001-10-23 2002-10-22 Lifting lug for nuclear-waste container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01125521A EP1306857B1 (en) 2001-10-23 2001-10-23 Grasp trunnion for a container adapted for receiving radioactive substances

Publications (2)

Publication Number Publication Date
EP1306857A1 true EP1306857A1 (en) 2003-05-02
EP1306857B1 EP1306857B1 (en) 2006-05-24

Family

ID=8179077

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01125521A Expired - Lifetime EP1306857B1 (en) 2001-10-23 2001-10-23 Grasp trunnion for a container adapted for receiving radioactive substances

Country Status (5)

Country Link
US (1) US6724853B2 (en)
EP (1) EP1306857B1 (en)
AT (1) ATE327559T1 (en)
CZ (1) CZ296361B6 (en)
DE (1) DE50109892D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6125343B2 (en) * 2013-06-20 2017-05-10 三菱重工業株式会社 Radioactive substance storage container transfer method, radioactive substance storage container suspension device, and radioactive substance storage container
JP6320336B2 (en) * 2015-03-25 2018-05-09 三菱重工業株式会社 Hanging structure
US11715575B2 (en) 2015-05-04 2023-08-01 Holtec International Nuclear materials apparatus and implementing the same
EP3264419B1 (en) 2016-07-01 2021-03-31 Holtec International Container for storing and/or transporting spent nuclear fuel

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455694A1 (en) * 1979-05-04 1980-11-28 Bretagne Atel Chantiers Trunnion forming a bearing esp. for nuclear reactor - has octagonal cross=section keyed in similar swivel bearing
JP2001133589A (en) * 1999-11-01 2001-05-18 Mitsubishi Heavy Ind Ltd Cask

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Publication number Priority date Publication date Assignee Title
FR2455203A1 (en) * 1979-04-26 1980-11-21 Ecopol Lifting concrete drum contg. radioactive wastes - by skirt fitting over drum, with lifting trunnions and slots engaging in spindles in blind holes in drum
US4336460A (en) * 1979-07-25 1982-06-22 Nuclear Assurance Corp. Spent fuel cask
JPS56501061A (en) * 1979-08-20 1981-07-30
DE3015553C2 (en) * 1980-04-23 1983-03-24 Siempelkamp Gießerei GmbH & Co, 4150 Krefeld Transport and / or storage containers for irradiated nuclear reactor fuel elements
US4666659A (en) * 1983-10-25 1987-05-19 Mitsubishi Heavy Industries, Ltd. Shipping and storage container for spent nuclear fuel
DE3430243C2 (en) * 1984-08-17 1986-11-27 Deutsche Gesellschaft für Wiederaufarbeitung von Kernbrennstoffen mbH, 3000 Hannover Storage container for holding individual fuel rods from irradiated nuclear reactor fuel elements
FR2588116B1 (en) * 1985-10-01 1988-01-08 Framatome Sa DEVICE FOR LOCKING A GUIDE RING ON A PLATE COMPRISING AN OPENING AND ITS APPLICATION TO A NUCLEAR REACTOR GUIDE TUBE
DE3615588A1 (en) * 1986-05-09 1987-11-12 Transnuklear Gmbh Bearing pin connection for transporting and/or storage containers for radioactive materials
JPH01305398A (en) * 1988-06-03 1989-12-08 Mitsubishi Heavy Ind Ltd Cask for transporting radioactive material
US5102615A (en) * 1990-02-22 1992-04-07 Lou Grande Metal-clad container for radioactive material storage
US5406600A (en) * 1993-10-08 1995-04-11 Pacific Nuclear Systems, Inc. Transportation and storage cask for spent nuclear fuels
JP3854417B2 (en) * 1998-12-25 2006-12-06 株式会社神戸製鋼所 Container for transport and storage of radioactive materials
JP3411902B2 (en) * 2000-12-07 2003-06-03 三菱重工業株式会社 Closed container for transport storage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455694A1 (en) * 1979-05-04 1980-11-28 Bretagne Atel Chantiers Trunnion forming a bearing esp. for nuclear reactor - has octagonal cross=section keyed in similar swivel bearing
JP2001133589A (en) * 1999-11-01 2001-05-18 Mitsubishi Heavy Ind Ltd Cask

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 22 9 March 2001 (2001-03-09) *

Also Published As

Publication number Publication date
ATE327559T1 (en) 2006-06-15
DE50109892D1 (en) 2006-06-29
CZ20023494A3 (en) 2003-06-18
CZ296361B6 (en) 2006-02-15
US6724853B2 (en) 2004-04-20
US20030128796A1 (en) 2003-07-10
EP1306857B1 (en) 2006-05-24

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