EP2086645B1 - Rescue device with spreading mechanism - Google Patents
Rescue device with spreading mechanism Download PDFInfo
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- EP2086645B1 EP2086645B1 EP07815172.7A EP07815172A EP2086645B1 EP 2086645 B1 EP2086645 B1 EP 2086645B1 EP 07815172 A EP07815172 A EP 07815172A EP 2086645 B1 EP2086645 B1 EP 2086645B1
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- European Patent Office
- Prior art keywords
- rescue device
- spreading arms
- spreading
- ribs
- arms
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- 238000003892 spreading Methods 0.000 title claims description 43
- 230000007480 spreading Effects 0.000 title claims description 43
- 239000000463 material Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 229910001315 Tool steel Inorganic materials 0.000 claims 1
- 150000004767 nitrides Chemical class 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 17
- 239000010410 layer Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
- A62B3/005—Rescue tools with forcing action
Definitions
- the invention relates to a recovery device, as described in claim 1.
- a spreading device with a, acted upon by a pressure medium linear drive device for driving in a housing of the spreading synchronously synchronously driven pivotally mounted Spreizarmen known, the drive device is a push rod assembly for transmitting a synchronous drive movement of the linear Having drive device on the pivotally mounted spreading arms.
- replaceable spreader tips designed differently for a particular application are interchangeably arranged.
- US 6,311,537 B1 and GB 2 254 580 known to provide replaceable wear elements in the form of interchangeable tips or cutting blades in a generic rescue equipment at the most exposed areas of the spreader arms.
- the object of the invention is to provide a recovery device with forceps actuated spreader arms, which have a high wear resistance in the area of attack surfaces of objects and set a high resistance against slipping.
- This object of the invention is achieved by the reproduced in the characterizing part of claim 1 features.
- the surprising advantage here is that by partially increasing the wear resistance, the application of materials with low weight, which generally have a low wear resistance, is achieved and thus the handling conditions are significantly improved. Possible embodiments are advantageous as described in the claims 2 and 3, which in addition to achieving a high creep resistance Abschleit perenniales detection of objects to be deformed is achieved and this safe handling in an application is guaranteed.
- the drive device 2 is formed in the embodiment shown by one of a hydraulic unit 6 via supply and discharge lines 7 and a tubular handle 8 with in this integrated control means 9 having hydraulic cylinder 10 with an adjustable adjusting means 11 in the linear direction.
- a bearing housing 13 is formed on an end flange 12 of the hydraulic cylinder 10 which is projecting through the adjusting means 11 and is essentially formed by two bearing plates 14, 15 arranged parallel to one another at a distance from one another. Furthermore, the support housing 3 preferably has a carrying handle 16 which comprises this at a distance.
- pivot axis 17 forming, which is perpendicular to a longitudinal center axis 18 of the cylinder body 3, pivot bearings 19 a pivot bearing assembly 20 for the spreading arms 4, 5 arranged in which the spreading arms 4, 5 about the pivot axis 17 - according to double arrows 21 - are pivotally mounted.
- a drive connection between the linearly adjustable adjusting means 11 of the hydraulic cylinder 10 and the Spreizarmen 4, 5 is formed by with the adjusting means 11 and one of the spreading arms 4, 5 articulated transmission levers 22, 23.
- An adjustment of the actuating means 11 is designed in connection with the interpretation of the lever geometry such that in an extended end position of the actuating means 11, the inner side surfaces 26, 27 are aligned with the longitudinal central axis 18. In an open position of the spreading arms 4, 5, an angle 28 between the inner side surfaces 26, 27 is about 75 ° to 90 °.
- This training allows with the recovery device 1 on a not further shown object, a squeezing force between the opposing inner side surfaces 26, 27 at an adjustment of the spreading arms 4, 5 in the direction of the longitudinal central axis 18 exercise, as well as a Tarweitekraft at an adjustment of the spreading 4, 5 in an open position with opposite outer side surfaces 29, 30 of the spreading arms 4, 5 exercise.
- the recovery equipment 1 is suitable for recovering, e.g. persons injured with a vehicle from a vehicle interior, which due to deformations of the vehicle body, are created only by the forcible creation of openings, e.g. can be made accessible by crimping on body parts or spreading of objects such as doors, roof openings, etc.
- the spreading arms 4, 5 are made as forged parts from blanks made of a high-strength Al alloy in a forging press, whereby a high final quality and low Nachbearbeitungsaufwand is achieved.
- a high mechanical strength for the transmission of high forces is achieved by the choice of material, as they occur in the application of the recovery device 1.
- spreader tips 33 which are fastened manually releasably secured to protruding end regions 32, for example.
- These are preferably made of high-strength and wear-resistant, preferably tempered, material. They are designed for different applications and for a quick change bolts 34 are provided as fasteners 35 which are manually removable. For transmitting high forces further a positive connection between the end portions 32 of the spreading arms 4, 5 and the Spreizerspitzen 33 is provided.
- the spreader arms 4, 5 are preferably provided on the inner side surfaces 26, 27 and the outer side surfaces 29, 30 with surface regions 41 which have a greater wear resistance relative to adjacent regions 42, preferably in a laser dispersing process known from the prior art Surface regions 41 hard materials in the material of the spreading arms 4, 5, are introduced, whereby the increased Wear resistance is achieved.
- these surface regions 41 are further preferably extending in the direction and part of a thickness 43 extending parallel to each other, the elevations 31 in the form of ribs 44 which extend beyond the surfaces 39, 40 and by increasing the volume of the base material of the spreading arms 4, 5 by the introduced hard material are formed and thus both the Abgleitschreib and the higher wear resistance in this surface area 41 is achieved equally.
- ribs 44 By the ribs 44, a secure grasping of an object 44 is ensured even at a larger angle 28 of the opposite inner side surfaces 26, 27.
- surface areas 41 provided on the outer side surfaces 29, 30, which are likewise treated by a laser dispersion process and are preferably provided with the ribs 44.
- the forming process is accelerated in particular for a deformation of an object to be performed by a squeezing operation, due to a higher surface load as a result of the linear contact of the ribs 44 with the object 45.
- the surface regions 41 on the inner side surfaces 26, 27 and optionally on the outer side surfaces 29, 30 extend in the longitudinal direction of the spreading arms 4, 5 over part of the surfaces 39, 40 between the finger extensions 33 and the bearing housing 13.
- a further embodiment of the recovery device 1 is shown, again for like parts, the same reference numerals or component designations as in the preceding Fig.1 to 4 be used. In order to avoid unnecessary repetition, the detailed description in the previous ones will be used Fig. 1 to 4 referred or referred.
- arranged in the surface portions 41 of the spreading arms 4, 5, with respect to adjacent regions 42 higher wear resistance arranged ribs 44 - as already described above - parallel and slightly spaced from each other and preferably extend over a portion of the thickness of the Sp Drarmes 4th
- the ribs 44 regardless of whether pressed in a squeezing or spreading process in the object and results in a more secure detection of the object 45th
- the surface area 41 optionally with the ribs 44 as a coating layer 46, e.g. a hard metal layer 47 formed.
- a coating layer 46 e.g. a hard metal layer 47 formed.
- bearing plate 15 bearing plate 16 handle 17 swivel axis 18 Longitudinal central axis 19 pivot bearing 20 Pivot bearing arrangement 21 double arrow 22 transmission lever 23 transmission lever 24 pivot bearing 25 pivot bearing 26 Inside surface 27 Inside surface 28 angle 29 Outside area 30 Outside area 31 increases 32 end 33 Finger tab 34 bolt 35 fastener
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Crushing And Grinding (AREA)
- Emergency Lowering Means (AREA)
Description
Die Erfindung betrifft ein Bergegerät, wie es im Anspruch 1 beschrieben ist.
Aus der AT 411 592 B der selben Anmelderin ist eine Spreizvorrichtung mit einer, mit einem Druckmedium beaufschlagbaren linearen Antriebsvorrichtung zum Antrieb von in einem Gehäuse der Spreizvorrichtung gegengleich synchron angetriebenen schwenkbar gelagerten Spreizarmen bekannt, wobei die Antriebsvorrichtung eine Druckstößelanordnung zur Übertragung einer synchronen Antriebsbewegung von der linearen Antriebsvorrichtung auf die schwenkbar gelagerten Spreizarme aufweist. In Endbereichen der Spreizarme sind wechselbare, für einen jeweiligen Einsatzfall unterschiedlich gestaltete Spreizerspitzen wechselbar angeordnet.The invention relates to a recovery device, as described in
From AT 411 592 B of the same applicant is known a spreading device with a, acted upon by a pressure medium linear drive device for driving in a housing of the spreading synchronously synchronously driven pivotally mounted Spreizarmen known, the drive device is a push rod assembly for transmitting a synchronous drive movement of the linear Having drive device on the pivotally mounted spreading arms. In end areas of the spreading arms replaceable spreader tips designed differently for a particular application are interchangeably arranged.
Weiters ist aus den Schriften
Aufgabe der Erfindung ist es ein Bergegerät mit zangenartig betätigbaren Spreizarmen zu schaffen, die im Bereich von Angriffsflächen an Objekten eine hohe Verschleißfestigkeit aufweisen und einem Abgleiten einen hohen Widerstand entgegen setzen.
Diese Aufgabe der Erfindung wird durch die im Kennzeichenteil des Anspruches 1 wiedergegebenen Merkmale erreicht. Der überraschende Vorteil dabei ist, dass durch partielle Erhöhung der Verschleißfestigkeit die Anwendung von Werkstoffen mit geringem Gewicht, die im Allgemeinen auch eine geringe Verschleißfestigkeit aufweisen, erreicht wird und damit die Handhabebedingungen wesentlich verbessert werden.
Möglich sind dabei vorteilhafte Ausbildungen wie in den Ansprüchen 2 und 3 beschrieben, wodurch zusätzlich zur Erzielung einer hohen Dauerstandsfestigkeit ein abgleitsicheres Erfassen von zu verformenden Objekten erreicht wird und dies auch ein sicheres Handhaben in einem Einsatz gewährleistet ist.Furthermore, from the scriptures
The object of the invention is to provide a recovery device with forceps actuated spreader arms, which have a high wear resistance in the area of attack surfaces of objects and set a high resistance against slipping.
This object of the invention is achieved by the reproduced in the characterizing part of
Possible embodiments are advantageous as described in the
Durch die im Anspruch 4 beschriebene vorteilhafte Ausbildung wird ein wirtschaftlicher Materialeinsatz erreicht und aufwendige Nachbearbeitung eingespart.By the advantageous embodiment described in
Vorteilhaft für eine lange Standzeit und für eine rasche Anpassung des Bergegerätes an den jeweiligen Einsatzfall ist aber auch die im Anspruch 5 beschriebene Ausbildung.
Die in den Ansprüchen 6 bis 10 beschriebenen vorteilhaften Ausbildungen gewährleisten einen universellen Einsatz des Bergegerätes unabhängig von einer geometrischen Beschaffenheit eines Objektes.Advantageous for a long service life and for a rapid adaptation of the recovery device to the particular application but is also the training described in
The advantageous embodiments described in claims 6 to 10 ensure a universal use of the recovery device regardless of a geometric condition of an object.
Von Vorteil sind aber auch Ausbildungen nach den Ansprüchen 11 und 12 weil damit ein Einbringen eines Hartstoffes in eine AL- Matrix ohne Versprödung und ohne Rissbildung am Grundwerkstoff erreicht wird.However, it is also advantageous embodiments according to
Schließlich sind auch Ausbildungen nach den Ansprüchen 13 und 14 vorteilhaft wodurch eine zusätzlich Variante einer technisch hochwertigen und kostengünstigen Ausstattung eines Spreizarmes für eine lange Standzeit erreicht wird.Finally, embodiments according to
Zum besseren Verständnis der Erfindung wird diese anhand der in den Figuren gezeigten Ausführungsbeispiele näher erläutert.For a better understanding of the invention, this will be explained in more detail with reference to the embodiments shown in FIGS.
Es zeigen:
- Fig. 1
- das erfindungsgemäße Bergegerät in Ansicht;
- Fig. 2
- das Bergegerät in Seitenansicht;
- Fig. 3
- eine Detaildarstellung des Bergegerätes in Ansicht;
- Fig. 4
- die Detaildarstellung geschnitten gemäß den Linien IV-IV in
Fig. 3 ; - Fig. 5
- eine andere Ausbildung eines Spreizarmes des erfindungsgemäßen Bergegeräts.
- Fig. 1
- the recovery device according to the invention in view;
- Fig. 2
- the recovery device in side view;
- Fig. 3
- a detailed view of the recovery equipment in view;
- Fig. 4
- the detailed representation cut according to the lines IV-IV in
Fig. 3 ; - Fig. 5
- another embodiment of a Spreizarmes the recovery device according to the invention.
Einführend sei festgehalten, dass in den unterschiedlich beschriebenen Ausführungsformen gleiche Teile mit gleichen Bezugszeichen bzw. gleichen Bauteilbezeichnungen versehen werden, wobei die in der gesamten Beschreibung enthaltenen Offenbarungen sinngemäß auf gleiche Teile mit gleichen Bezugszeichen bzw. gleichen Bauteilbezeichnungen übertragen werden können. Auch sind die in der Beschreibung gewählten Lageangaben, wie z.B. oben, unten, seitlich usw. auf die unmittelbar beschriebene sowie dargestellte Figur bezogen und sind bei einer Lageänderung sinngemäß auf die neue Lage zu übertragen. Weiters können auch Einzelmerkmale oder Merkmalskombinationen aus den gezeigten und beschriebenen unterschiedlichen Ausführungsbeispielen für sich eigenständige, erfinderische oder erfindungsgemäße Lösungen darstellen.By way of introduction, it should be noted that in the differently described embodiments the same parts are provided with the same reference numerals or the same component names, the revelations contained in the entire description can be mutatis mutandis to the same parts with the same reference numerals or the same component names transmitted. Also, the position information selected in the description, such as top, bottom, side, etc. related to the immediately described and illustrated figure and are to be transferred to a new position analogous to the new situation. Furthermore, individual features or combinations of features from the different exemplary embodiments shown and described can also represent independent, inventive or inventive solutions.
Sämtliche Angaben zu Wertebereichen in gegenständlicher Beschreibung sind so zu verstehen, dass diese beliebige und alle Teilbereiche daraus mit umfassen, z.B. ist die Angabe 1 bis 10 so zu verstehen, dass sämtliche Teilbereiche, ausgehend von der unteren Grenze 1 und der oberen Grenze 10 mitumfasst sind, d.h. sämtliche Teilbereich beginnen mit einer unteren Grenze von 1 oder größer und enden bei einer oberen Grenze von 10 oder weniger, z.B. 1 bis 1,7, oder 3,2 bis 8,1 oder 5,5 bis 10.All statements on ranges of values in the description of the present invention should be understood to include any and all sub-ranges thereof, e.g. the
In den
Die Antriebsvorrichtung 2 ist im gezeigten Ausführungsbeispiel durch einen von einem Hydraulikaggregat 6 über Zu- und Ableitungen 7 versorgten und einen rohrförmigen Handgriff 8 mit in diesem integrierten Steuermitteln 9 aufweisenden Hydraulikzylinder 10 mit einem in linearer Richtung verstellbaren Stellmittel 11 gebildet.The
An einem vom Stellmittel 11 durchragten Stirnflansch 12 des Hydraulikzylinders 10 ist ein Lagergehäuse 13 ausgebildet das im Wesentlichen durch zwei parallel in einem Abstand zueinander angeordneten Lagerplatten 14, 15 gebildet ist. Weiters weist das Traggehäuse 3 bevorzugt einen dieses in einem Abstand umfassenden Tragegriff 16 auf.A bearing
An den Lagerplatten 14, 15 sind eine Schwenkachse 17 ausbildend, welche zu einer Längsmittelachse 18 des Zylinderkörper 3 senkrecht verläuft, Schwenklager 19 einer Schwenklageranordnung 20 für die Spreizarme 4, 5 angeordnet in welchen die Spreizarme 4, 5 um die Schwenkachse 17 - gemäß Doppelpfeile 21 - schwenkbar gelagert sind.On the
Eine Antriebsverbindung zwischen dem linear verstellbaren Stellmittel 11 des Hydraulikzylinders 10 und den Spreizarmen 4, 5 wird durch mit dem Stellmittel 11 und jeweils einem der Spreizarme 4, 5 gelenkig verbundenen Übertragungshebeln 22, 23 gebildet.A drive connection between the linearly adjustable adjusting means 11 of the
Durch eine exzentrische Anordnung im Bezug auf die Längsmittelachse 18 von Schwenklagern 24,25, in denen die Übertragungshebel 22, 23 mit den Spreizarmen 4, 5 gelenkig verbunden sind, wird eine Übertragung der Linearverstellung des Stellmittels 11 in eine Schwenkbewegung der Spreizarme 4, 5, bei einer Verstellung des Stellmittels 11 erreicht, wobei bei einem Ausfahren des Stellmittels 11 die Spreizarme 4, 5 aufeinander zubewegt und beim Einfahren des Stellmittels 11 die Spreizarme 4, 5 in eine Öffnungsstellung verstellt werden.By an eccentric arrangement with respect to the
Ein Verstellweg des Stellmittels 11 ist in Verbindung mit der Auslegung der Hebelgeometrie derart ausgelegt, dass in einer ausgefahrenen Endstellung des Stellmittels 11 die Innenseitenflächen 26, 27 fluchtend mit der Längsmittelachse 18 verlaufen. In einer Öffnungsstellung der Spreizarme 4, 5 beträgt ein Winkel 28 zwischen den Innenseitenflächen 26, 27 etwa 75° bis 90°.An adjustment of the actuating means 11 is designed in connection with the interpretation of the lever geometry such that in an extended end position of the actuating means 11, the
Diese Ausbildung ermöglicht mit dem Bergegerät 1 auf ein nicht weiter dargestelltes Objekt eine Quetschkraft zwischen den einander gegenüber liegenden Innenseitenflächen 26, 27 bei einer Verstellung der Spreizarme 4, 5 in Richtung der Längsmittelachse 18 auszuüben, wie auch eine Aufweitekraft bei einer Verstellung der Spreizarme 4, 5 in eine Öffnungsstellung mit einander entgegen gesetzten Außenseitenflächen 29, 30 der Spreizarme 4, 5 auszuüben.This training allows with the
Damit eignet sich das Bergegerät 1 zum Bergen von, z.B. mit einem Fahrzeug verunfallten Personen aus einem Fahrzeuginnenraum, der aufgrund von Deformationen des Fahrzeugauf baues nur durch gewaltsames Schaffen von Öffnungen, z.B. durch Quetschvorgänge an Karosserieteilen oder Aufspreizen von Objekten, wie Türen, Dachöffnungen etc., zugänglich gemacht werden kann.Thus, the
In den
Nach dieser Ausbildung sind die Spreizarme 4, 5 als Schmiedeformteile aus Rohlingen aus einer hochfesten Al-Legierung in einer Schmiedepresse gefertigt, wodurch eine hohe Endqualität und geringer Nachbearbeitungsaufwand erreicht wird. Gleichzeitig wird durch die Wahl des Materials eine hohe mechanische Festigkeit zur Übertragung hoher Kräfte erreicht, wie sie bei der Anwendung des Bergegerätes 1 auftreten. Neben einer hohen Verformungsfestigkeit ist aber auch von wesentlicher Bedeutung für einen ungestörten Langzeiteinsatz eine hohe Verschleißfestigkeit an den Angriffsflächen der Spreizarme 4, 5 sowie eine Abgleitsicherheit von Objektteilen, an denen die Spreizarme 4, 5 angesetzt werden, zu erreichen.After this training, the spreading
Zum Erzielen eines hohen Widerstandes gegen ein Abgleiten ist es aus dem Stand der Technik bekannt, an den Innenseitenflächen 26, 27 und gegebenenfalls auch an den Außenseitenflächen 29, 30 rippenartige Erhöhungen 31 auszubilden, wobei diese hinsichtlich der Dauerstandfestigkeit die vom Werkstoff der Spreizarme 4, 5 vorgegebene Verschleißfestigkeit gegen Abrieb aufweisen und damit die Standzeit durch Verschleiß kurz ist.To achieve a high resistance to sliding, it is known from the prior art, on the
Aus dem Stand der Technik ist es weiter bekannt, und wie beispielsweise auch gezeigt an ausragenden Endbereichen 32 manuell lösbar befestigte Spreizerspitzen 33 anzuordnen. Diese sind bevorzugt aus hochfestem und verschleißfestem, bevorzugt vergütetem, Werkstoff gefertigt. Sie sind für unterschiedliche Verwendungsfälle konzipiert und für ein rasches Wechseln sind Bolzen 34 als Befestigungsmittel 35 vorgesehen die manuell entfernbar sind. Zur Übertragung hoher Kräfte ist weiters ein Formschluss zwischen den Endbereichen 32 der Spreizarme 4, 5 und den Spreizerspitzen 33 vorgesehen.It is further known from the state of the art, and, for example, to arrange
Weiter ist an entgegen gesetzten Angriffsflächen 36, 37 der Spreizerspitze 34 eine parallel ausgerichtete Zahnung 38 vorgesehen durch die ein Abgleiten beim Einsatz verhindert wird.Next, a parallel aligned
Die Spreizarme 4, 5 sind bevorzugt an den Innenseitenflächen 26, 27 und den Außenseitenflächen 29, 30 mit Oberflächenbereichen 41 versehen, die eine gegenüber benachbarten Bereichen 42 größere Verschleißfestigkeit dadurch aufweisen, dass bevorzugt in einem aus dem Stand der Technik bekannten Laser- Dispergierverfahren in diesen Oberflächenbereichen 41 Hartstoffe in das Material der Spreizarme 4, 5, eingebracht werden, wodurch die erhöhte Verschleißfestigkeit erreicht wird.The
In diesen Oberflächenbereichen 41 sind weiters bevorzugt in Richtung und einen Teil einer Dicke 43 erstreckend und parallel zueinander verlaufend die Erhöhungen 31 in Form von Rippen 44 angeordnet welche die Oberflächen 39, 40 überragen und durch eine Vergrößerung des Volumens des Grundmaterials der Spreizarme 4, 5 durch den eingebrachten Hartstoff gebildet sind und damit sowohl die Abgleitsicherheit wie auch die höhere Verschleißfestigkeit in diesem Oberflächenbereich 41 gleichermaßen erreicht wird.In these
Durch die Rippen 44 ist bereits bei einem größeren Winkel 28 der einander gegenüberliegenden Innenseitenflächen 26, 27 ein sicheres Fassen eines Objektes 44 gewährleistet. Dasselbe gilt ebenso für an den Außenseitenflächen 29, 30 vorgesehene Oberflächenbereiche 41, die ebenfalls durch einen Laser- Dispergiervorgang behandelt sind und vorzugsweise mit den Rippen 44 versehen sind.By the
Zusätzlich zu der durch die Rippen 44 bewirkten Abgleitsicherheit wird insbesondere für eine durch einen Quetschvorgang vorzunehmende Umformung eines Objektes, durch eine höhere Flächenlast infolge des linienförmigen Kontaktes der Rippen 44 mit dem Objekt 45, der Umformvorgang beschleunigt.In addition to the slip resistance caused by the
Die Oberflächenbereiche 41 an den Innenseitenflächen 26, 27 und gegebenenfalls an den Außenseitenflächen 29, 30 erstrecken sich in Längsrichtung der Spreizarme 4, 5 über einen Teil der Oberflächen 39,40 zwischen den Fingerfortsätzen 33 und dem Lagergehäuse 13.The
In der
Unmittelbar bei Beginn einer Umformung eines nicht weiter dargestellten Objektes werden die Rippen 44, unabhängig ob bei einem Quetsch- oder Spreizvorgang in das Objekt eingepresst und ergibt das ein abgleitsicheres Erfassen des Objektes 45.Immediately at the beginning of a reshaping of an object not further shown, the
Nach diesem Ausführungsbeispiel ist der Oberflächenbereich 41, gegebenenfalls mit den Rippen 44 als eine Auftragsschicht 46, z.B. eine Hartmetallschicht 47, gebildet. Diese wird beispielsweise in einem Lichtbogen- oder Flammauftragsverfahren aufgebracht wobei bevorzugt die Hartmetallschicht 47 auf eine in dem Oberflächenbereich 41 des Spreizarmes 4, 5 vorhergehend aufgebrachte Ausgleichsschicht 48, zur Vermeidung einer Versprödung oder einer Rissbildung in der Al- Matrix des Spreizarmes 4, 5 aufgetragen wird.According to this embodiment, the
Die Ausführungsbeispiele zeigen mögliche Ausführungsvarianten des Bergegerätes, wobei an dieser Stelle bemerkt sei, dass die Erfindung nicht auf die speziell dargestellten Ausführungsvarianten derselben eingeschränkt ist, sondern vielmehr auch diverse Kombinationen der einzelnen Ausführungsvarianten untereinander möglich sind und diese Variationsmöglichkeit aufgrund der Lehre zum technischen Handeln durch gegenständliche Erfindung im Können des auf diesem technischen Gebiet tätigen Fachmannes liegt. Es sind also auch sämtliche denkbaren Ausführungsvarianten, die durch Kombinationen einzelner Details der dargestellten und beschriebenen Ausführungsvariante möglich sind, vom Schutzumfang mit umfasst.The embodiments show possible embodiments of the recovery device, it being noted at this point that the invention is not limited to the specifically illustrated embodiments thereof, but also various combinations of the individual embodiments are possible with each other and this possibility of variation due to the teaching of technical action by representational Invention in the skill of those skilled in this technical field. So are all conceivable embodiments, which are possible by combinations of individual details of the illustrated and described embodiment variant, includes the scope of protection.
Der Ordnung halber sei abschließend darauf hingewiesen, dass zum besseren Verständnis des Aufbaus des Bergegerätes 1 dieses bzw. dessen Bestandteile teilweise unmaßstäblich und/ oder vergrößert und/oder verkleinert dargestellt wurden.For the sake of order, it should finally be pointed out that, for a better understanding of the construction of the
Die den eigenständigen erfinderischen Lösungen zugrunde liegende Aufgabe kann der Beschreibung entnommen werden.The problem underlying the independent inventive solutions can be taken from the description.
Vor allem können die einzelnen in den
Claims (14)
- A rescue device (1) with spreading arms (4, 5) which are mounted in at least one pivot bearing arrangement (20) on a cylinder-body (3) and which can be displaced by means of a drive system (2) in a pincer-like manner about a pivot axis (17) extending perpendicular to a longitudinal mid-axis (18) of the support housing (3), and on which, at least on internal surfaces (26, 27) facing one another of the spreading arms (4, 5), preferably also on the external surfaces (29, 30) thereof, surface regions (41) of the spreading arms (4, 5) are constructed such that they have a resistance to wear that is higher than a resistance to wear of adjacent regions (42) of the spreading arms (4, 5), characterized in that the surface regions (41) include hard materials incorporated in the base material of the spreading arms (4, 5) or comprise an applied layer (46) of higher resistance to wear that is applied onto the spreading arms (4, 5).
- The rescue device (1) according to claim 1, characterized in that the surface region (41) having the higher wear resistance is provided with rib-type raised areas (31).
- The rescue device (1) according to claim 2, characterized in that the surface regions (41) provided with the raised areas (31) on mutually opposing external surfaces (29, 30) of the spreading arms (4, 5) are formed to have the higher resistance to wear.
- The rescue device (1) according to any one of claims 1 to 3, characterized in that that the spreading arms (4, 5) are preferably provided in the form of die-forged parts, in particular made from an aluminium alloy.
- The rescue device (1) according to any one of the preceding claims, characterized in that spreader tips (33), in particular made from heat-treated tool steel, are disposed in end regions (32) of the spreading arms (4, 5) and are releasably connected to them.
- The rescue device (1) according to any one of claims 2 to 5, characterized in that the raised areas (31) are formed by ribs (44) which extend parallel to one another in the surface regions (41) in the direction of a thickness (43) of the spreading arms (4, 5) and which protrude beyond the surface (39, 40) of the internal surfaces (26, 27) and/or the external surfaces (29, 30).
- The rescue device (1) according to claim 6, characterized in that the ribs (44) are disposed extending over a partial area of the thickness (43) of the spreading arms (4, 5).
- The rescue device (1) according to any one of claims 6 and 7, characterized in that a rib height ranges between 0.05 mm and 1.0 mm.
- The rescue device (1) according to any one of claims 6 to 8, characterized in that the ribs (44) have an approximately semi-circular cross-section.
- The rescue device according to any one of claims 6 to 9, characterized in that the ribs (44) are disposed at a distance from one another in the surface region (41).
- The rescue device (1) according to any one of the preceding claims, characterized that a peripheral layer of the surface regions (41) and/or the ribs (44) are/is made from the A1 matrix of the spreading arms (4, 5) and from hard materials that are, e.g., oxide-, carbide- or nitride-based, that are incorporated therein.
- The rescue device (1) according to claim 11, characterized in that the hard materials are introduced using a laser dispersing method so as to form the peripheral layer of the spreading arm (4, 5).
- The rescue device (1) according to any one of the preceding claims, characterized in that the surface regions (41) and/or the ribs (44) are formed by a hard metal layer (47) applied using an arc application method or flame application method.
- The rescue device (1) according to any one of the preceding claims, characterized in that the material of the hard metal layer (47) is applied onto a compensating layer (48) provided in the surface region (41) on the spreading arm (4, 5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0079906U AT10110U1 (en) | 2006-11-08 | 2006-11-08 | MOUNTAIN EQUIPMENT |
PCT/AT2007/000505 WO2008055280A1 (en) | 2006-11-08 | 2007-11-08 | Rescue device with spreading mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2086645A1 EP2086645A1 (en) | 2009-08-12 |
EP2086645B1 true EP2086645B1 (en) | 2017-08-23 |
Family
ID=39364080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07815172.7A Active EP2086645B1 (en) | 2006-11-08 | 2007-11-08 | Rescue device with spreading mechanism |
Country Status (4)
Country | Link |
---|---|
US (1) | US8505877B2 (en) |
EP (1) | EP2086645B1 (en) |
AT (1) | AT10110U1 (en) |
WO (1) | WO2008055280A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT11346U1 (en) * | 2008-10-16 | 2010-09-15 | Weber Hydraulik Gmbh | CUTTING DEVICE, IN PARTICULAR BERGESCHERE |
WO2011100655A2 (en) | 2010-02-15 | 2011-08-18 | Altair Engineering, Inc. | Portable rescue tool and method of use |
WO2012083389A2 (en) * | 2010-12-24 | 2012-06-28 | Ezi Fix Mining Solutions Pty Ltd | A jack |
AT14038U1 (en) * | 2013-07-11 | 2015-03-15 | Weber Hydraulik Gmbh | Spreader tip for a rescue device |
US10300311B2 (en) * | 2017-09-29 | 2019-05-28 | Eric Ramone Rose | Roses iron curtain entry tool |
AU2019230442A1 (en) * | 2018-03-07 | 2020-10-15 | Workplace Maintenance Solutions Pty Ltd | An expandable device, apparatus and assembly for pushing apart opposed surfaces |
JP7235619B2 (en) * | 2019-07-30 | 2023-03-08 | 株式会社オグラ | hydraulic actuator |
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US1930463A (en) * | 1931-03-04 | 1933-10-17 | Aluminum Co Of America | Hardening of aluminum |
US2296173A (en) * | 1940-01-18 | 1942-09-15 | Blackhawk Mfg Co | Spreading tool |
US2341278A (en) * | 1943-03-27 | 1944-02-08 | Andrew M Long | Repair tool |
US3749365A (en) * | 1972-01-26 | 1973-07-31 | Brammell Inc | Primary opening apparatus |
US3819153A (en) * | 1972-04-26 | 1974-06-25 | Hurst Performance | Rescue tool |
US4299860A (en) * | 1980-09-08 | 1981-11-10 | The United States Of America As Represented By The Secretary Of The Navy | Surface hardening by particle injection into laser melted surface |
US4392263A (en) * | 1981-02-02 | 1983-07-12 | Amoroso Michael J | Portable rescue tool |
GB2111421A (en) * | 1981-10-02 | 1983-07-06 | Brockhouse Chatwin Precision L | Prising apart two items |
US4531289A (en) * | 1983-01-28 | 1985-07-30 | F. M. Brick Industries, Inc. | High-power rescue tool |
US4506445A (en) * | 1983-02-22 | 1985-03-26 | Hale Fire Pump Company | Rescue cutter tool |
US4842249A (en) * | 1983-09-16 | 1989-06-27 | Weigand George R | Spreader type rescue tool |
US4869465A (en) * | 1986-06-24 | 1989-09-26 | Mordechai Yirmiyahu | Power-operated spreader tool |
JPH0698506B2 (en) * | 1986-12-08 | 1994-12-07 | トヨタ自動車株式会社 | Method for forming dispersed alloy layer on metal substrate |
US4973028A (en) * | 1989-11-21 | 1990-11-27 | Hale Fire Pump Company | Rescue tool jaw |
GB9106222D0 (en) | 1991-03-23 | 1991-05-08 | Churchill V L Ltd | Cutting implement |
DE69325726T2 (en) * | 1992-09-29 | 1999-11-11 | Curtiss-Wright Flight Systems, Inc. | RESCUE TOOL |
US5449536A (en) * | 1992-12-18 | 1995-09-12 | United Technologies Corporation | Method for the application of coatings of oxide dispersion strengthened metals by laser powder injection |
US5656992A (en) * | 1996-03-25 | 1997-08-12 | Mcneill; Sheila Ann | Externally mounted vehicle speedometer display |
JP3391636B2 (en) * | 1996-07-23 | 2003-03-31 | 明久 井上 | High wear-resistant aluminum-based composite alloy |
JPH10118991A (en) * | 1996-08-26 | 1998-05-12 | Ogura:Kk | Hydraulic operating device |
US5956992A (en) * | 1997-01-24 | 1999-09-28 | Patton; Tommy L. | Spreading, crushing or cutting device |
US6311537B1 (en) * | 1998-10-30 | 2001-11-06 | Orlando C. Vigil | Blade tip for a rescue tool |
AT411592B (en) | 1999-04-06 | 2004-03-25 | Weber Hydraulik Gmbh | spreading |
US6244568B1 (en) * | 1999-11-24 | 2001-06-12 | Tommy L. Patton | Rescue spreading tool |
JP3977155B2 (en) * | 2002-06-14 | 2007-09-19 | 株式会社オグラ | Hydraulic actuator |
US7371988B2 (en) * | 2004-10-22 | 2008-05-13 | Electric Power Research Institute, Inc. | Methods for extending the life of alloy steel welded joints by elimination and reduction of the HAZ |
US7107812B1 (en) * | 2004-11-15 | 2006-09-19 | Patton Tommy L | Hydraulic rescue tool |
DE102005024039A1 (en) | 2005-05-25 | 2006-12-07 | Lukas Hydraulik Gmbh | Tool arm made of composite material, method for its production and tool unit |
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2006
- 2006-11-08 AT AT0079906U patent/AT10110U1/en not_active IP Right Cessation
-
2007
- 2007-11-08 WO PCT/AT2007/000505 patent/WO2008055280A1/en active Application Filing
- 2007-11-08 EP EP07815172.7A patent/EP2086645B1/en active Active
- 2007-11-08 US US12/514,146 patent/US8505877B2/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
WO2008055280A1 (en) | 2008-05-15 |
US8505877B2 (en) | 2013-08-13 |
AT10110U1 (en) | 2008-09-15 |
US20100025647A1 (en) | 2010-02-04 |
EP2086645A1 (en) | 2009-08-12 |
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