[go: up one dir, main page]

WO2008145419A1 - Transformateur électrique comprenant une sécurité contre les risques de chute - Google Patents

Transformateur électrique comprenant une sécurité contre les risques de chute Download PDF

Info

Publication number
WO2008145419A1
WO2008145419A1 PCT/EP2008/052552 EP2008052552W WO2008145419A1 WO 2008145419 A1 WO2008145419 A1 WO 2008145419A1 EP 2008052552 W EP2008052552 W EP 2008052552W WO 2008145419 A1 WO2008145419 A1 WO 2008145419A1
Authority
WO
WIPO (PCT)
Prior art keywords
transformer
transformer according
posts
plastic tube
plastic
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.)
Ceased
Application number
PCT/EP2008/052552
Other languages
German (de)
English (en)
Inventor
Christian Ornetzeder
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.)
Siemens AG Oesterreich
Original Assignee
Siemens Transformers Austria GmbH and Co KG
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 Siemens Transformers Austria GmbH and Co KG filed Critical Siemens Transformers Austria GmbH and Co KG
Priority to EP08717315.9A priority Critical patent/EP2153449B1/fr
Publication of WO2008145419A1 publication Critical patent/WO2008145419A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18—Balustrades; Handrails
    • E04F11/181—Balustrades
    • E04F11/1817—Connections therefor
    • E04F2011/1819—Connections therefor between balustrade posts and horizontal or sloping balustrade members
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18—Balustrades; Handrails
    • E04F2011/1885—Handrails or balusters characterized by the use of specific materials
    • E04F2011/1897—Handrails or balusters characterized by the use of specific materials mainly of organic plastics with or without reinforcements or filling materials

Definitions

  • the invention relates to an electrical transformer with a fall protection for maintenance personnel, which is in the case of performing a maintenance work on a walk-in area of the transformer housing cover.
  • fall protection can be, for example, a safety belt, by means of which the maintenance personnel secures by linking with a guide rail attached to the transformer housing cover.
  • the disadvantage here is that in the case of a crash, although the drop height is limited, but it can still cause injury.
  • the practice shows that personal
  • Guards are often not worn because they restrict the freedom of movement while working and are perceived as uncomfortable.
  • a metal railing has often been temporarily installed on the transformer cover in the past. Before the transformer can go back to the grid, this metal railing must be removed because of the risk of electric flashover to live parts again. Attaching and removing the heavy metal railing is cumbersome and increases the cost of maintenance or repair work.
  • the invention is based on the object to provide an electrical transformer with a fall protection so that with the least possible effort, a high level of security in the performance of maintenance is guaranteed.
  • Trafodeckel secured by a defense which is formed of an electrically non-conductive polymeric material.
  • the invention thus proposes to use for protection against falling or falling down a defense, which is made of an electrical non-conductor. This allows the
  • the production of the barrier made of plastic is possible at low cost.
  • Under a barrier is generally understood to be on the transformer cover permanently installed device for the protection of working persons against falling or falling down, such as any kind of railing, barrier, balustrade or the like. It is an advantage of the invention that the risk of falling accidents can be reduced with little effort; In addition, the protective effect is less dependent on the personal attitude towards the safety device.
  • the barrier is formed circumferentially on an outer edge of the accessible area of the transformer cover. The accident risk is very low due to this enclosed delineation, without limiting the space required for carrying out work by the safety guard.
  • a preferred embodiment of the invention can be constructed so that the barrier is designed as a plastic railing.
  • This plastic railing has posts, which are fastened by means of suitable fastening means, substantially perpendicular to the transformer cover. Cross to the
  • the production of the barrier requires comparatively little effort. It has a low weight and can be easily mounted. It allows pipes, cabling or the like to pass through the barrier without obstruction.
  • Another advantage is that rainwater and molten snow can flow unhindered from the transformer cover. As a fastener can serve a console that is welded or screwed on the transformer cover.
  • each post and each crossbar is made of a fiberglass reinforced plastic.
  • transverse strips are formed by commercially available GRP plastic tube.
  • transverse strips are arranged at least in two planes and form a rigid parapet and knee brace.
  • the parapet also forms a handrail.
  • the parapet and the knee weir are in the form of plastic tubes, each having a circular cross-section and executed by a correspondingly large
  • Drilled hole in the post through and secured on both sides of the post by securing or fixing against pulling out may also be advantageous if used in the entry area of the defense fiberglass plastic tube, which are each inserted into the clear width of assigned GRP plastic tube of the circumferential defense in the manner of a telescope. As a result, the construction of the entry is very inexpensive.
  • PG glands are pushed onto the GRP pipe and fastened by gluing.
  • each transverse GRP pipe can be fixed before entry and exit through the bore of a post, or the Einstig be realized by manually loosening or tightening the clamp connection.
  • Figure 1 shows an embodiment of a transformer according to the invention with a plastic railing, which has a parapet, a knee brace and a footrest, in a three-dimensional view;
  • Figure 2 is a detail view showing the implementation of a cross bar through a post in the entry area;
  • Figure 3 is a developed over a side length of a transformer representation of a railing
  • the transformer 1 shows an electric power transformer 1, which is often operated in substations outside of premises in substations.
  • the transformer 1 has a transformer housing cover 11. On this Trafodeckel 11 a defense 2 is attached.
  • This enclosure 2 is made of an electrical non-conductor in the form of a plastic railing.
  • the transformer cover 11 has a walk-on area 6, which of a
  • Maintenance personnel must be entered via an entry 10 from time to time, if, for example, at higher machine parts of the transformer 1, eg in the oil tank, the level must be checked, or if repairs or maintenance are to be performed.
  • It consists essentially of posts 3, which in each case by transverse strips, in Figure 1, a parapet 4 (also called handrail), a knee 5 and a footrest 12, in the circumferential direction with each other are connected.
  • a parapet 4 also called handrail
  • knee 5 also called handrail
  • footrest 12 in the circumferential direction with each other are connected.
  • the enclosure 2 may be stationarily mounted on the transformer cover 11.
  • the railing 2 can be easily adapted to different sizes of a Power transformer adapted.
  • the installation of the railing 2 is simple.
  • the railing has a low weight.
  • the material used for the railing 2 Isophosphatklare-polyester, which is reinforced with strands of glass fiber.
  • other polymer materials are basically suitable.
  • the posts 3 of the plastic railing 2 are in
  • the posts 3 square formed plastic tube measuring 50 mm x 50 mm and have a wall thickness of 5 mm. They are in brackets 13, which are attached to the transformer cover 11. The posts 3 point in the direction of rotation of the
  • the transverse strips 4, 5 and 12 are glass fiber reinforced plastic tube, i.
  • the GRP pipes in the area of the entrance 10, have an outer diameter of 30 mm.
  • the circumferential GRP pipes outside the entry 10 have an outer diameter of 40 mm and a clear width of 32 mm. As a result, the GRP pipes of the entry can be inserted into the circumferential GRP pipes.
  • FIG. 3 shows an embodiment with a side length of the transformer cover of 3700 mm and 5400 mm
  • the compression fitting 8 and 9 is attached to the tube 5 by gluing.
  • the height of the railing 2 above the walk-in area 6 (“top edge floor” OK) is 1 m in the present example.
  • the height of the railing 2 depends on the relevant national standard, possibly specified by law, at the site of the transformer.
  • the distance between the knee 5 and the work surface 6 is about 0.5 m.
  • each a GRP round tube As a cross bar 5 and 6 serves as already mentioned each a GRP round tube.
  • the outer diameter of the GRP pipe is 40 mm, the inner diameter is 32 mm.
  • the GRP pipe With a length of 1900 mm and a transverse force of 300N, the GRP pipe has a maximum bending moment of 142500 Nmm, a resistance moment of 3709 mm2; the bending stress is 38.4 N / mm2.
  • the plastic railing is sufficiently rigid and meets many of the requirements imposed by the building code or professional association.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

La présente invention concerne un transformateur électrique comprenant une sécurité contre les risques de chute destinée au personnel d'entretien qui, dans le cas de la mise en oeuvre d'une opération d'entretien, se trouve sur une zone accessible (6) du dessus (11) du boîtier de transformateur, la sécurité contres les risques de chute se présentant sous la forme d'un entourage de protection (2) et étant réalisé à partir d'un matériau polymère électriquement non conducteur.
PCT/EP2008/052552 2007-06-01 2008-03-03 Transformateur électrique comprenant une sécurité contre les risques de chute Ceased WO2008145419A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP08717315.9A EP2153449B1 (fr) 2007-06-01 2008-03-03 Transformateur electrique comprenant une securite contre les risques de chute

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007025689A DE102007025689A1 (de) 2007-06-01 2007-06-01 Elektrischer Transformator mit einer Absturzsicherung
DE102007025689.4 2007-06-01

Publications (1)

Publication Number Publication Date
WO2008145419A1 true WO2008145419A1 (fr) 2008-12-04

Family

ID=39485122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/052552 Ceased WO2008145419A1 (fr) 2007-06-01 2008-03-03 Transformateur électrique comprenant une sécurité contre les risques de chute

Country Status (3)

Country Link
EP (1) EP2153449B1 (fr)
DE (1) DE102007025689A1 (fr)
WO (1) WO2008145419A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019246616A1 (fr) * 2018-06-22 2019-12-26 Cv International, Inc. Appareil et kit de garde-corps intégrés sur transformateurs
US20240350836A1 (en) * 2023-04-24 2024-10-24 Cv International, Inc. Safety systems and rescue systems for elevated worksites

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053140A (en) * 1976-04-29 1977-10-11 Clemens Donald L Fiber reinforced plastic handrail system
US6039150A (en) * 1995-05-03 2000-03-21 Palmer; Theodore R. Building guard rail scaffold assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2422356A1 (de) * 1974-05-06 1975-11-20 Friedrich Wilhelm Latteyer Unfallverhuetung
US5718305A (en) * 1996-11-01 1998-02-17 Palmer; Theodore Richard Safety harness attachment post assembly
DE10297757T5 (de) * 2002-06-20 2005-06-30 Otis Elevator Co., Farmington Sicherheitsaufbaubalustrade für eine Kabine eines Maschinenraum-losen Aufzugs
CA2424466C (fr) * 2003-04-04 2010-01-26 Unique Concepts Ltd. Poteau d'ancrage de dispositif de protection contre les chutes
DE20306255U1 (de) * 2003-04-17 2003-07-10 Spitzke AG, 14979 Großbeeren Arbeitsbühne

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053140A (en) * 1976-04-29 1977-10-11 Clemens Donald L Fiber reinforced plastic handrail system
US6039150A (en) * 1995-05-03 2000-03-21 Palmer; Theodore R. Building guard rail scaffold assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019246616A1 (fr) * 2018-06-22 2019-12-26 Cv International, Inc. Appareil et kit de garde-corps intégrés sur transformateurs
US10883275B2 (en) 2018-06-22 2021-01-05 Cv International, Inc. Transformer-integrated guardrail apparatus and kit
US20240350836A1 (en) * 2023-04-24 2024-10-24 Cv International, Inc. Safety systems and rescue systems for elevated worksites

Also Published As

Publication number Publication date
EP2153449B1 (fr) 2014-02-26
EP2153449A1 (fr) 2010-02-17
DE102007025689A1 (de) 2008-12-11

Similar Documents

Publication Publication Date Title
EP2153449B1 (fr) Transformateur electrique comprenant une securite contre les risques de chute
DE102009048149A1 (de) System zum Erstellen eines Flucht-, Rettungs- oder Dienstwegs in Gleisanlagen
DE202011101596U1 (de) Gleissicherungseinrichtung (Feste Absperrung)
DE60318350T2 (de) Schutzgeländervorrichtung
EP3938715B1 (fr) Tapis chauffant destiné à être utilisé dans une structure de plancher, structure de plancher et son procédé de production
EP4047137A1 (fr) Fondation pour une colonne pourvue de câbles internes, par exemple pour une colonne de charge de véhicule électrique ou un horodateur de stationnement
DE202020000714U1 (de) Transversal verstellbare, an Gleisen und Weichen montierbare, von außerhalb des Gefahrenbereiches bedienbare feste Absperrung als Schutzvorrichtung am Oberbau gegen das unbeabsichtigte Betreten des Gleises durch Arbeitskräfte bei Arbeiten im Bereich von Bahnanlagen
DE202018006350U1 (de) Vorrichtung zum abgedichteten Durchführen von Kabeln und/oder Leitungen durch eine Bodenplatte in ein Gebäude
DE202010000420U1 (de) Isolierende Vogelschutzabdeckung
DE202019001499U1 (de) Abstandshalter für Gerüstaufbauten
DE2914078C2 (de) Schutzanordnung für während des Seilzugs elektrischer Freileitungen zu kreuzende Anlagen
DE20206268U1 (de) Verbindungssystem für Wandungsteile
DE3036629A1 (de) Haltevorrichtung fuer luftverlegte, leichte fernmeldekabel oder optische kabel
DE20002415U1 (de) Sicherheits-Metallzaun
DE102010004750B4 (de) Vorrichtung zum sicheren Betreten eines Flachdaches und zum Schutz von als Blitzableiter fungierenden, geerdeten elektrischen Leitern
DE202025002959U1 (de) Stufenwächter (modulares System zur Sicherung von offenen Treppenstufen)
EP1333208B1 (fr) Dispositif pour susprendre un dispositif à un plafond
DE202024107179U1 (de) Vordach
DE102023000629A1 (de) Verbindungssystem zur Verbindung von Geländerteilstücken von Geländern
DE8808533U1 (de) Zaungitter mit Sicherungsvorrichtung
EP2543799A2 (fr) Dispositif de fermeture de porte
DE202023107164U1 (de) Zaun mit Vertikal-Spannvorrichtung
AT508666B1 (de) Lichtkuppel
DE102023133540A1 (de) Kletterschutzvorrichtung und Maschine bzw. Bauwerk mit Kletterschutzvorrichtung
DE202024001964U1 (de) Absturzsicherungsgeländer für elektrische Transformatoren

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08717315

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
WWE Wipo information: entry into national phase

Ref document number: 2008717315

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE