EP1580318B1 - Dispositif de protection - Google Patents

Dispositif de protection Download PDF

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Publication number
EP1580318B1
EP1580318B1 EP05101490A EP05101490A EP1580318B1 EP 1580318 B1 EP1580318 B1 EP 1580318B1 EP 05101490 A EP05101490 A EP 05101490A EP 05101490 A EP05101490 A EP 05101490A EP 1580318 B1 EP1580318 B1 EP 1580318B1
Authority
EP
European Patent Office
Prior art keywords
protection device
supporting element
machine
surface element
supporting
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.)
Not-in-force
Application number
EP05101490A
Other languages
German (de)
English (en)
Other versions
EP1580318A1 (fr
Inventor
Thomas Winter
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP1580318A1 publication Critical patent/EP1580318A1/fr
Application granted granted Critical
Publication of EP1580318B1 publication Critical patent/EP1580318B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G5/00—Safety devices

Definitions

  • Such machines require in many places for maintenance and operation human manual use, which is fraught with a risk of injury, since many parts of such a machine, such as supporting body of a coating device, are moved back and forth by running rollers, whereby the risk of bruising exists. Such movements of the very heavy parts are also partly performed automatically, which makes them a risk for the operating and maintenance personnel.
  • the protective device substantially spans an existing gap between the support body and adjacent components of the machine.
  • the protective device follows at least partially the outer contour of the support body, so that during pivoting movements of the support body free spaces between the individual components are avoided, whereby the operator is protected from injury and / or contamination.
  • a further embodiment of the invention consists in that the protective device consists of at least two main components, namely a sheet and pivoting arms.
  • the surface body which represents the actual protective wall, is connected via at least one pivot arm with at least one of the end faces of the support body.
  • a swivel arm will be arranged on each end face (that is to say on the driver and drive side of a machine for producing and / or treating a fibrous web).
  • the swivel arm is preferably articulated in the center of the front side.
  • the length of the pivot arm has a slightly greater dimension than the distance: articulation point of the pivot arm to the outer edge of the support body.
  • An expedient solution consists in the fact that the sheet has a shape adapted to the support body, for example a planar or curved shape.
  • a further embodiment of the sheet may also consist in that the sheet is formed as a cloth. This is free falling and therefore needs downwards, that is not to be hinged again to an adjacent component. This variant is very inexpensive.
  • this is Protective device in particular the surface body also hingedly connected to a component adjacent to the support body.
  • This component may be a stationary attached to the machine part, in particular a catwalk for the operating or maintenance personnel.
  • This arrangement allows a particularly close approach on the part of the staff, which makes the operation, monitoring and maintenance easier.
  • the invention can be used at many points within a fibrous web-making machine, but their use is particularly advantageous in a so-called coating machine, with a liquid to pasty application medium on the moving fibrous web, in particular of paper or cardboard, for purposes of finishing or Improved printability.
  • the coating machine can be an online or offline machine, which has supporting bodies which each carry a functional unit.
  • the functional unit is a known application device which applies the application medium in a direct or indirect manner to the fibrous web. But it can also be a known Squeegee device, with which the applied medium brought to the desired coating weight (scraped) or only evened.
  • Said supporting body is preferably made of a fiber composite material, in particular CFRP composite.
  • the protective device according to the invention has the advantage that it can easily be retrofitted into existing machines. In addition, it is easily solvable by the nature of their attachment or storage and therefore easy to clean and maintain.
  • FIG. 1 a catwalk 4 for the operating or maintenance personnel of the machine. 1
  • the protection device 5 prevents unintentional engagement of the personnel or the passage of substances or objects into or out of a gap Z, between the support body 2 (which is often referred to as a squeegee or job bar) and other adjacent components, such as the catwalk 4 or trusses of Coating machine exists.
  • the device 5 thus protects against injury.
  • the support body 2 has a cylindrical shape, that is a circular cross-section. Accordingly, the sheet 13 is adapted to this, convex curved executed.
  • the holding the surface body 13 pivot arms 8 are slightly longer than the radius of the support body 2, so that only a small clearance between the top 14 of the sheet 2 and the outer wall of the support body 2 is made and thus provides excellent protection against accidental attack by a person, thereby Risk of injury is almost impossible.
  • the cylindrical support body 2 is made of a CFRP composite for improved strength and temperature resistance.
  • the support body 2 with the functional unit 3 attached thereto can be pivoted relative to the stationarily mounted roller 9 and to the catwalk 4, which is also stationarily mounted.
  • the pivoting arm 20 is provided with this adjusting hydraulic cylinder 21.
  • Fig. 3 shows the machine 1 off Fig. 1 and 2 in side view in a second operating position, wherein the functional unit 3 assumes a different angle (rotation about axis 25 by means of hydraulic cylinder 22) to the surface of the roller 9.
  • the sheet 13 in turn closes the gap Z between the support body 2 and the catwalk. 4
  • a conceivable embodiment could consist in that, instead of the rigid sheet 13, a cloth attached to the joints 11 is used. In this case, the otherwise provided articulated connection 12 is unnecessary.
  • FIG. 1 illustrated embodiment could also be that a support body 2 with, for example is selected triangular cross-section. In this case, you could run the pivot arms 8 in frontally mounted rails.
  • the sheet 13 would be formed flat as a plate.
  • a protective device 5 described above can be used at all points of a paper machine at which risks against unwanted intervention or a distribution of dirt or other particles to be prevented by a shield, and where gaps between relatively mutually moving parts to be closed ,

Landscapes

  • Paper (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (13)

  1. Dispositif de protection pour une machine (2) de traitement d'une bande de matière fibreuse en mouvement, en particulier de papier ou de carton, dans lequel la machine (2) comprend au moins un corps de support pivotant (2), qui porte une unité fonctionnelle (3) pour le traitement de la bande de matière fibreuse, caractérisé en ce que le dispositif de protection (5) enjambe essentiellement un espace intermédiaire (Z) existant entre le corps de support (2) et des composants voisins de la machine (1), dans lequel le dispositif de protection (5) peut être déplacé de telle manière que celui-ci suive au moins en partie le contour extérieur du corps de support (2) lors des mouvements de pivotement de ce dernier.
  2. Dispositif de protection selon la revendication 1, caractérisé en ce qu'il est articulé sur au moins un des côtés frontaux (7) du corps de support (2).
  3. Dispositif de protection selon la revendication 2, caractérisé en ce qu'il comprend un corps plat (13), qui est relié à au moins un des côtés frontaux (7) du corps de support (2) au moyen d'au moins un bras pivotant (8) et il existe entre le corps de support (2) et le corps plat (13) un jeu permettant un mouvement relatif.
  4. Dispositif de protection selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le corps plat (13) présente une forme adaptée au corps de support (2), par exemple une forme plane ou courbe.
  5. Dispositif de protection selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le corps plat (13) est formé par une toile.
  6. Dispositif selon la revendication 4, caractérisé en ce que le corps de support (2) présente une section transversale circulaire au moins dans son contour extérieur tourné vers le personnel de conduite, et le corps de support (13) y est adapté, avec une courbure convexe.
  7. Dispositif selon une ou plusieurs des revendications 1 à 6, caractérisé en ce que le composant voisin du corps de support (2) est une pièce installée à demeure sur la machine (1), en particulier une passerelle (4) pour le personnel de conduite.
  8. Dispositif de protection selon une ou plusieurs des revendications 1 à 7, caractérisé en ce que le corps plat (13) présente une structure fermée ou une structure de grille et se compose de métal ou d'une matière synthétique.
  9. Dispositif de protection selon une ou plusieurs des revendications précédentes, caractérisé en ce que le corps plat (13) est articulé par son arête supérieure (14) aux bras pivotants (8) et est articulé par son arête inférieure (15) au composant voisin ou à la passerelle (4).
  10. Dispositif de protection selon la revendication 5, caractérisé en ce que le corps plat (13) n'est articulé aux bras pivotants (8) que par son arête supérieure (14).
  11. Dispositif de protection selon une ou plusieurs des revendications précédentes, caractérisé en ce que le corps plat (13) est formé d'une pièce ou se compose de plusieurs segments individuels assemblés, et est adapté globalement à la longueur du corps de support (2).
  12. Dispositif de protection selon une ou plusieurs des revendications précédentes, caractérisé en ce que le corps de support (2) est fabriqué en un matériau composite fibreux, en particulier en matériau composite CFK (matière plastique renforcée de fibres de carbone).
  13. Dispositif de protection selon une ou plusieurs des revendications précédentes, caractérisé en ce que le corps de support (2) est une poutre de support pour une unité fonctionnelle, telle qu'un dispositif d'enduction et/ou un dispositif de racle d'une machine de couchage hors ligne ou en ligne (4).
EP05101490A 2004-03-20 2005-02-28 Dispositif de protection Not-in-force EP1580318B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004013780 2004-03-20
DE102004013780A DE102004013780A1 (de) 2004-03-20 2004-03-20 Schutzvorrichtung

Publications (2)

Publication Number Publication Date
EP1580318A1 EP1580318A1 (fr) 2005-09-28
EP1580318B1 true EP1580318B1 (fr) 2008-10-08

Family

ID=34853992

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101490A Not-in-force EP1580318B1 (fr) 2004-03-20 2005-02-28 Dispositif de protection

Country Status (3)

Country Link
EP (1) EP1580318B1 (fr)
AT (1) ATE410548T1 (fr)
DE (2) DE102004013780A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108118553B (zh) * 2017-11-08 2020-01-21 维美德(中国)有限公司 造纸机压辊防护装置
FI11927U1 (fi) * 2017-12-05 2018-01-16 Valmet Technologies Oy Liikkuva hoitotaso sellukuivainta varten ja sellukuivain
FI11928U1 (fi) * 2017-12-05 2018-01-16 Valmet Technologies Oy Liikkuva hoitotaso sellukuivainta varten ja sellukuivain

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI105706B (fi) * 1999-04-29 2000-09-29 Valmet Corp Sovitelma paperi- tai kartonkikoneen rainan kuumennuslaitteen yhteydessä
FI4757U1 (fi) * 2000-10-24 2000-12-18 Valmet Corp Rullautuva suojalaite
DE10238728A1 (de) * 2002-08-23 2004-03-04 Voith Paper Patent Gmbh Auftragswerk

Also Published As

Publication number Publication date
EP1580318A1 (fr) 2005-09-28
DE102004013780A1 (de) 2005-10-06
ATE410548T1 (de) 2008-10-15
DE502005005578D1 (de) 2008-11-20

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