DE19638884A1 - Grid and tube protection for e.g. robot or machine enclosures - Google Patents

Grid and tube protection for e.g. robot or machine enclosures

Info

Publication number
DE19638884A1
DE19638884A1 DE19638884A DE19638884A DE19638884A1 DE 19638884 A1 DE19638884 A1 DE 19638884A1 DE 19638884 A DE19638884 A DE 19638884A DE 19638884 A DE19638884 A DE 19638884A DE 19638884 A1 DE19638884 A1 DE 19638884A1
Authority
DE
Germany
Prior art keywords
grid
tubes
elements
tube
corners
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.)
Withdrawn
Application number
DE19638884A
Other languages
German (de)
Inventor
Soenke Dipl Ing Ewers
Thomas Dipl Ing Schulz
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.)
E & S Automation GmbH
Original Assignee
E & S Automation 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 E & S Automation GmbH filed Critical E & S Automation GmbH
Priority to DE19638884A priority Critical patent/DE19638884A1/en
Publication of DE19638884A1 publication Critical patent/DE19638884A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H17/00—Fencing, e.g. fences, enclosures, corrals
    • E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
    • E04H17/16—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames
    • E04H17/161—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels
    • E04H17/163—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts using prefabricated panel-like elements, e.g. wired frames using wire panels using wired panels with frame
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P1/00—Safety devices independent of the control and operation of any machine
    • F16P1/02—Fixed screens or hoods

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The frame tube is slit right along lengthways so the outer wire bar of the spot-welded grid bears flush inside once the tubes have been pushed into place. The tubes are screwed in at the corners with 90 degree angle brackets, with the screws accessible from one side only. The tubes can be arranged in any line direction and all components are preferably rustproof in a system composed of three components only, notably grid, corner brackets and tubes.

Description

Stand der TechnikState of the art

In den meisten Produktionsbetrieben werden Roboter und Maschinen mit sogenannten Schutzgittern abgesichert.Most production plants use robots and machines with so-called Protected grids.

Diese Personenschutzeinrichtungen werden entweder aus Stahlelementen oder aus Aluminiumelementen gefertigt. Bei der Installation dieser Bauelemente sind einige Sicherheitsvorschriften zu beachten wie z. B. in DIN 31001, EN 294 und in EN 811 beschrieben.These personal protection devices are made either from steel elements or from Made of aluminum elements. There are a few when installing these components Safety regulations to be observed such. B. in DIN 31001, EN 294 and in EN 811 described.

Nachteile bei Aluminium-SystemenDisadvantages with aluminum systems

Bei den bisher auf dem Markt angebotenen Schutzeinrichtungen aus Aluminiumsystemen ist das Gitter nur in das Profil geklemmt und somit nicht ausreißsicher.With the protective devices made of aluminum systems on the market so far the grille is only clamped in the profile and therefore not tear-proof.

Weitere Nachteile bei Aluminiumsystemen sind:
Die erforderliche Stabilität wird nur durch Einbau von Eckwinkeln, Dübeln, Hilfsstreben, Flacheisen usw. erreicht.
Die Montage erfordert den Einsatz von Spezialgeräten und Spezialwerkzeugen.
Die Verbindungsschrauben sind nur für das entsprechende Alu-System geeignet.
Die eckige Ausführung der Pfosten und Rahmenprofile erlaubt nur eine rechtwinklige bzw. gerade Linienführung.
Die Herstellung ist aufgrund der Vielzahl von Teilen aufwendig und teuer.Other disadvantages with aluminum systems are:
The required stability is only achieved by installing corner brackets, dowels, auxiliary struts, flat bars, etc.
The assembly requires the use of special equipment and special tools.
The connecting screws are only suitable for the corresponding aluminum system.
The angular design of the posts and frame profiles allows only right-angled or straight lines.
The production is complex and expensive due to the large number of parts.

Nachteile bei SchweißkonstruktionenDisadvantages with welded structures

Bei den geschweißten Gitterelementen wird die Verbindung zum Pfosten in der Regel mit 4 angeschweißten Laschen und Sechskantschrauben hergestellt. Nachteil hier ist unter dem Aspekt der Arbeitssicherheit die allseitige Zugriffsmöglichkeit auf die Schraubverbindungen. Dies bedeutet, daß elektrisch abgesicherte Roboterzellen an jedem Element geöffnet und damit Sicherheitsendschalter umgangen werden können.
Weiterhin wird der Gitterrahmen nur an 4 Punkten mit den Stützen verbunden (Schraubverbindung).
Installationen in Ex-Bereichen sind aufgrund der notwendigen Schweißarbeiten bei Anpassungen schwierig.
Material ist nicht rostfrei.
Die Herstellung ist aufwendig. With the welded lattice elements, the connection to the post is usually made with 4 welded-on brackets and hexagon screws. The disadvantage here from the point of view of occupational safety is the all-round access to the screw connections. This means that electrically protected robot cells can be opened on each element and safety limit switches can be bypassed.
Furthermore, the lattice frame is only connected to the supports at 4 points (screw connection).
Installations in Ex areas are difficult due to the necessary welding work when making adjustments.
Material is not rustproof.
The production is complex.

Verbindung des Gitterelements mit den Rohrelementen gemäß Skizze 1.Connection of the grid element with the pipe elements according to sketch 1.

Claims (5)

1. Verbindung von Gitter und Rohr, dadurch gekennzeichnet,
daß das Rohr auf der gesamten Länge aufgeschlitzt wird, so daß der äußere Drahtsteg des punktverschweißten Gitters nach Aufschieben des Rohres innenseitig bündig anliegt;
daß es nicht möglich ist das Gitter quer aus der Fassung zu ziehen;
daß die Rohrelemente an den Ecken mit zweigeteilten 90 Grd. Winkelschellen verschraubt werden,
daß die in den Schellen verwendeten Schrauben nur von einer Seite zugänglich sind.1. connection of grid and tube, characterized in
that the tube is slit over the entire length, so that the outer wire web of the spot-welded grid lies flush on the inside after the tube has been pushed on;
that it is not possible to pull the grille out of the socket;
that the pipe elements are screwed at the corners with 90 degree angle clamps,
that the screws used in the clamps are only accessible from one side. 2. Dadurch gekennzeichnet, daß eine beliebige Linienführung aufgrund der Rohrelemente möglich ist.2. Characterized by that any line layout is possible due to the tubular elements. 3. Dadurch gekennzeichnet, daß die verwendeten Elemente rostfrei ausgeführt sind.3. Characterized by that the elements used are made of stainless steel. 4. Dadurch gekennzeichnet, daß die Elemente aus nur 3 Bausteinen zusammengesetzt werden
  • 1. Gitter
  • 2. Winkelschelle
  • 3. Rohrstück
4. Characterized in that the elements are composed of only 3 building blocks
  • 1. Grid
  • 2. Angle bracket
  • 3. Pipe piece
5. Dadurch gekennzeichnet, daß an keiner Stelle scharfe Kanten oder Ecken vorliegen.5. Characterized by that there are no sharp edges or corners at any point.
DE19638884A 1996-09-21 1996-09-21 Grid and tube protection for e.g. robot or machine enclosures Withdrawn DE19638884A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19638884A DE19638884A1 (en) 1996-09-21 1996-09-21 Grid and tube protection for e.g. robot or machine enclosures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19638884A DE19638884A1 (en) 1996-09-21 1996-09-21 Grid and tube protection for e.g. robot or machine enclosures

Publications (1)

Publication Number Publication Date
DE19638884A1 true DE19638884A1 (en) 1998-03-26

Family

ID=7806541

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19638884A Withdrawn DE19638884A1 (en) 1996-09-21 1996-09-21 Grid and tube protection for e.g. robot or machine enclosures

Country Status (1)

Country Link
DE (1) DE19638884A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8802840U1 (en) * 1988-03-03 1988-04-14 Arda Reinecke Gitterrost GmbH, 5885 Schalksmühle Grating walkway
DE3643228A1 (en) * 1986-12-18 1988-06-30 Wanzl Kg Rudolf Set of elements for forming grid structures
DE4301369A1 (en) * 1993-01-20 1993-07-29 Novotec Gmbh Anlagenbau Und Ve Demountable safety machine screen for worker's protection - has profiled floor mounted-posts and vertically sliding fit screen frames.
DE4424243A1 (en) * 1994-07-09 1996-01-11 Manfred Muehle Enclosure system for machines or installations

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643228A1 (en) * 1986-12-18 1988-06-30 Wanzl Kg Rudolf Set of elements for forming grid structures
DE8802840U1 (en) * 1988-03-03 1988-04-14 Arda Reinecke Gitterrost GmbH, 5885 Schalksmühle Grating walkway
DE4301369A1 (en) * 1993-01-20 1993-07-29 Novotec Gmbh Anlagenbau Und Ve Demountable safety machine screen for worker's protection - has profiled floor mounted-posts and vertically sliding fit screen frames.
DE4424243A1 (en) * 1994-07-09 1996-01-11 Manfred Muehle Enclosure system for machines or installations

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8139 Disposal/non-payment of the annual fee