EP2634131B1 - Control device for a pit jack - Google Patents

Control device for a pit jack Download PDF

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Publication number
EP2634131B1
EP2634131B1 EP12192419.5A EP12192419A EP2634131B1 EP 2634131 B1 EP2634131 B1 EP 2634131B1 EP 12192419 A EP12192419 A EP 12192419A EP 2634131 B1 EP2634131 B1 EP 2634131B1
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EP
European Patent Office
Prior art keywords
pit
operating
jack
operating device
lift
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EP12192419.5A
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German (de)
French (fr)
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EP2634131A1 (en
Inventor
Wolf-Erik Schmitt
Bernhard Angst
Andreas Franz
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.)
BlitzRotary GmbH
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BlitzRotary GmbH
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Publication of EP2634131A1 publication Critical patent/EP2634131A1/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F5/00Mobile jacks of the garage type mounted on wheels or rollers
    • B66F5/04Mobile jacks of the garage type mounted on wheels or rollers with fluid-pressure-operated lifting gear

Description

Die vorliegende Erfindung betrifft eine Bedienungsvorrichtung für einen Grubenheber gemäß dem Oberbegriff des Anspruchs 1.The present invention relates to an operating device for a pit lift according to the preamble of claim 1.

Grubenheber und Bedienungsvorrichtungen für Grubenheber sind allgemein bekannt. Grubenheber werden insbesondere in Werkstattgruben eingesetzt, um Fahrzeuge für Reparatur und Wartungsarbeiten über die Arbeitsgruben anzuheben. Der Hubzylinder ist üblicherweise in der Grube in Längs- und Querrichtung verfahrbar eingebaut. Es gibt bodenfahrbare Grubenheber, die auf dem Gruben- oder Werkstattboden stehen, oder auch hängende Heber, die in Grubenprofilen eingebaut sind. Die Bedienelemente für den Grubenheber, wie Bedientasten, Ablassventil oder Handpumpe, sind normalerweise auf einer Bedienseite angeordnet.Pit jacks and operating devices for pit lifts are well known. Pit lifts are used in particular in workshop pits to raise vehicles for repair and maintenance work on the work pits. The lifting cylinder is usually installed in the pit movable in the longitudinal and transverse directions. There are floor-mounted pit lifts that stand on the pit or workshop floor, or hanging lifts that are installed in pit profiles. The controls for the pit lift, such as control buttons, drain valve or hand pump, are normally arranged on one operating side.

Der Grubenheber, der in der Regel mittig in der Grube angeordnet ist und diese somit in zwei Zugangsbereiche für den Mechaniker teilt, stellt ein Hindernis für diesen dar. Der Mechaniker ist bei den Reparaturarbeiten oft gezwungen, von der Bedienseite und dem ersten Zugangsbereich, von denen er die Bedienelemente des Grubenhebers problemlos erreicht, in den zweiten Zugangsbereich auf die andere Grubenseite zu wechseln. Erfordern die Arbeiten des Mechanikers, die in dem zweiten Zugangsbereich auszuführen sind, den Grubenheber einmal oder sogar mehrmals zu bedienen, ist der Mechaniker gezwungen, zwischen den zwei Zugangsbereichen zu wechseln. Dies ist umständlich, mühsam und zeitaufwendig.The pit jack, which is usually centered in the pit and thus divides it into two access areas for the mechanic, is an obstacle to this. The mechanic is often forced in the repair work, from the operating side and the first access area, of which he easily reaches the controls of the pit lift to change to the second access area on the other pit side. If the work of the mechanic to be carried out in the second access area requires the pit lift to be operated once or even several times, the mechanic is forced to change between the two access areas. This is cumbersome, tedious and time consuming.

Die DE 10 2008 047 089 A1 versucht dieses Problem mit einer Fernbedienung zu lösen, welche mittels wenigstens einer Steuerleitung mit dem Aktuator der Hebebühne bzw. Grubenheber verbunden ist. Der Mechaniker kann die Fernbedienung ständig mit sich führen oder nahe des Grubenhebers zwischen den zwei Zugangsbereichen der Grube so platzieren, dass diese beidseitig erreichbar ist. Dies hat allerdings den Nachteil, dass die Steuerleitung oder sogar die Steuerleitungen eine Unfallgefahr darstellen und ständig mitgeführt werden müssen. Auch können nicht alle Funktionen problemlos mit einer Fernbedienung betätigt werden, beispielsweise wie die einer Handpumpe.The DE 10 2008 047 089 A1 tries to solve this problem with a remote control, which is connected by means of at least one control line to the actuator of the lift or pit lift. The mechanic can constantly use the remote Lead yourself or place near the pit lift between the two access areas of the pit so that it can be reached on both sides. However, this has the disadvantage that the control line or even the control lines represent a risk of accidents and must be constantly carried. Also, not all functions can be easily operated with a remote control, such as a hand pump.

Bei der DE 20 2009 005 661 U1 kommt eine drahtlose Antriebssteuerung zum Einsatz. Der Nachteil einer Fernbedienung ohne Steuerleitungen ist insbesondere deren Betriebssicherheit, die durch Störungen bei der drahtlosen Signalübertragung oder der Energieversorgung auftreten können. Aber auch die Möglichkeit, diese beim Wechseln zwischen den zwei Zugangsbereichen zu vergessen und liegen zu lassen. Wie bereits oben erwähnt, wären Funktionen wie die einer Handpumpe ohne Verbindung durch eine Druckleitung nicht ausführbar. Die US 5284321 offenbart einen Grubenheber nach dem Oberbegriff des Anspruchs 1.In the DE 20 2009 005 661 U1 a wireless drive control is used. The disadvantage of a remote control without control lines is in particular their reliability, which can occur due to interference in the wireless signal transmission or power supply. But also the possibility to forget them when switching between the two access areas and to leave them. As already mentioned above, functions such as a hand pump without connection through a pressure line would not be feasible. The US 5284321 discloses a pit lift according to the preamble of claim 1.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, den Bedienkomfort und die Betriebssicherheit eines Grubenhebers zu verbessern.The present invention is therefore based on the object to improve the ease of use and reliability of a pit lift.

Bei einer Bedienungsvorrichtung für einen Grubenheber der eingangs beschriebenen Art, der eine erste Bedienseite aufweist, wobei die Bedienungsvorrichtung auf der ersten Bedienseite an einem Hubzylinder und/oder an einem Fahrgestell angeordnet ist und über mehrere Betätigungselemente verfügt, wird die Aufgabe erfindungsgemäß dadurch gelöst, dass an einer zweiten Bedienseite eine zweite Bedienungsvorrichtung mit mindestens einem der Betätigungselemente angeordnet ist.In an operating device for a pit lift of the type described above, having a first operating side, wherein the operating device is arranged on the first operating side of a lifting cylinder and / or on a chassis and has a plurality of actuators, the object is achieved in that at a second operating side, a second operating device is arranged with at least one of the actuating elements.

Ein Grubenheber mit einer zweiseitigen Bedienungsvorrichtung hat den Vorteil, dass der Mechaniker den Grubenheber auch aus dem zweiten der zwei Zugangsbereiche der Werkstattgrube bedienen kann, der dem ersten Zugangsbereich bzw. der ersten Bedienseite gegenüberliegt. Eine doppelte Ausführung der Betätigungselemente erhöht zudem die Betriebssicherheit, da der Grubenheber bei einem Ausfall eines Betätigungselements immer noch über das gleiche Betätigungselement auf der anderen der zwei Bedienseiten bedient werden kann. Auch können Funktionen, welche die Muskelkraft des Bedieners erfordern, wie die einer Handpumpe, problemlos ausgeführt werden.A pit jack with a two-sided control device has the advantage that the mechanic also out of the pit jack can serve the second of the two access areas of the workshop pit, which is opposite to the first access area or the first operating side. A double version of the actuators also increases the reliability, since the pit lift can still be operated in the event of failure of an actuator on the same actuator on the other of the two operating pages. Also, functions that require the muscle power of the operator, such as a hand pump, can be performed easily.

Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angeben.Advantageous developments of the invention are specified in the subclaims.

Gemäß einer erfinderischen Weiterbildung liegt die zweite Bedienseite der ersten Bedienseite gegenüber. Dies wird im Normalfall die vorteilhafteste Anordnung der Bedienseiten zueinander sein, bei der die Bedienungsvorrichtung am Grubenheber in dem Bereich, wo dieser die Werkstattgrube in zwei Zugangsbereiche unterteilt, von beiden Zugangsbereichen aus bedienerfreundlich zugänglich ist.According to an inventive development, the second operating side of the first operating side is opposite. This will normally be the most advantageous arrangement of the operating pages to each other, in which the control device on the pit lift in the area where it divides the workshop pit into two access areas, accessible from both access areas user-friendly.

Gemäß einer erfinderischen Ausführungsform weist die Bedienungsvorrichtung zumindest auf einer der zwei Bedienseiten mindestens eine der folgenden Betätigungselemente auf: Tasten zum Heben und Senken, Ablassventile, Handpumpen, Elektroschalter. Sie kann Handgriffe zum Verfahren des Grubenhebers aufweisen. Die Verteilung der Betätigungselemente auf den zwei Bedienseiten kann je nach Einsatzhäufigkeit und Kostenaufwand optimiert werden. Beispielsweise wäre es nicht erforderlich, eine Handpumpe von beiden Bedienseiten aus zugänglich zu machen, wenn diese nur als Ersatz für den Ausfall einer elektromotorischen Pumpe gedacht ist, die beidseitig über Elektroschalter bedienbar ist. Handgriffe, die zum manuellen Verfahren des Grubenhebers in der Grube gedacht sind, sollten jedenfalls beidseitig verfügbar sein.According to an inventive embodiment, the operating device has at least one of the following operating elements on at least one of the two operating sides: buttons for lifting and lowering, drain valves, hand pumps, electric switches. It may have handles for moving the pit jack. The distribution of the actuators on the two control pages can be optimized depending on the frequency of use and cost. For example, it would not be necessary to make a hand pump accessible from both operating sides, if this is intended only as a replacement for the failure of an electromotive pump, which is operated on both sides via electric switch. Handles the manual procedure The pit lift in the pit are intended to be available on both sides.

Gemäß einer weiteren Ausführungsform ist als Betätigungselemeht mindestens ein Handhebel und/oder Fußhebel vorgesehen. Bei einem hängenden Grubenheber ist die Bedienung mittels Handhebel besonders vorteilhaft, bei einem auf dem Grubenboden fahrbaren Grubenheber die Bedienung mittels Fußhebel.According to a further embodiment, at least one hand lever and / or foot lever is provided as the actuating element. In the case of a suspended pit lift, operation by means of a hand lever is particularly advantageous, with a pit lift which can be moved on the pit floor, operation by means of a foot lever.

Zur weiteren vorteilhaften Ausgestaltung ist mindestens ein Betätigungselement als ein umlaufender Griff ausgebildet. Ein umlaufender Griff, insbesondere zum manuellen Verfahren des Grubenhebers in der Grube, hat den Vorteil, dass er von jeder Bedienseite her greifbar ist. Dies ist bei einem hängenden Grubenheber zum Verfahren in Richtung quer zur Länge der Grube besonders vorteilhaft, bei einem auf dem Boden fahrbaren Grubenheber gegebenenfalls sogar zum Verfahren in jede Richtung.For a further advantageous embodiment, at least one actuating element is designed as a circumferential grip. A circumferential grip, in particular for the manual operation of the pit lift in the pit, has the advantage that it is tangible from every operating side. This is particularly advantageous in the case of a suspended pit lift for moving in the direction transverse to the length of the pit, and possibly even for moving in any direction in the case of a pit lift which can be moved on the ground.

Vorzugsweise ist die Bedienungsvorrichtung an allen möglichen Ausführungsformen von Grubenhebern anordenbar, wie an Grubenhebern, die mittels eines Fahrgestells fahrbar auf einem Grubenboden stehen oder fahrbar an Grubenprofilen hängen.Preferably, the operating device can be arranged on all possible embodiments of pit jacks, such as pit jacks, which are mobile on a pit floor by means of a chassis or mobile hanging on pit profiles.

Weitere Einzelheiten, Merkmale und Vorteile des Gegenstandes der Erfindung ergeben sich aus der nachfolgenden Beschreibung der zugehörigen Figuren, in denen beispielhaft bevorzugte Ausführungsbeispiele der Erfindung dargestellt sind. Die der Beschreibung und den Zeichnungen zu entnehmenden Merkmale können einzeln für sich oder zu mehreren in beliebiger Kombination erfindungsgemäß angewandt werden. In den Zeichnungen zeigen:

Figur 1
eine Seitenansicht eines auf dem Grubenboden verfahrbaren Grubenhebers mit einer Bedienungsvorrichtung, die jeweils die gleichen Betätigungselemente an zwei sich gegenüberliegenden Bedienseiten aufweist.
Figur 1a
eine Perspektivansicht desselben Grubenhebers wie in Figur 1 dargestellt.
Figur 2
eine Perspektivansicht eines hängenden Grubenhebers, bei dem die Bedienungsvorrichtung nur eines der Betätigungselemente beidseitig aufweist.
Further details, features and advantages of the subject matter of the invention will become apparent from the following description of the accompanying figures in which exemplary preferred embodiments of the invention are shown. The features to be taken from the description and the drawings can be applied individually according to the invention individually or in combination in any combination. In the drawings show:
FIG. 1
a side view of a mobile on the pit floor pit lift with an operating device, each having the same actuating elements on two opposite operating sides.
FIG. 1a
a perspective view of the same pit lift as in FIG. 1 shown.
FIG. 2
a perspective view of a suspended pit lift, in which the operating device has only one of the actuating elements on both sides.

Figur 1 zeigt einen auf dem Grubenboden oder auf dem Werkstattboden verfahrbaren Grubenheber 2a. Der Grubenheber 2a weist ein Fahrgestell 4a auf, das mittels Rädern auf dem Grubenboden verfahrbar ist. Mittig auf dem Fahrgestell 4a ist ein Hubzylinder 3 angeordnet. An diesem Hubzylinder 3 sind zwei Bedienungsvorrichtungen 1, 1' angeordnet. Eine Bedienseite 1a der ersten Bedienungsvorrichtung 1 liegt gegenüber einer zweiten Bedienseite 1b der zweiten Bedienungsvorrichtung 1'. Mehrere Betätigungselemente 5 der ersten Bedienseite 1a sind spiegelbildlich als Betätigungselemente 5' auf der zweiten Bedienseite 1b angeordnet. FIG. 1 shows a movable on the pit floor or on the workshop floor pit lift 2a. The pit lift 2a has a chassis 4a, which is movable by means of wheels on the pit floor. Centered on the chassis 4a, a lifting cylinder 3 is arranged. At this lifting cylinder 3, two operating devices 1, 1 'are arranged. An operating side 1a of the first operating device 1 lies opposite a second operating side 1b of the second operating device 1 '. Several actuating elements 5 of the first operating side 1a are arranged in mirror image as actuating elements 5 'on the second operating side 1b.

Figur 1a zeigt den Grubenheber 2a aus Figur 1 in der Perspektivansicht. Diese Ansicht zeigt deutlich den Handgriff, der beidseitig am oberen Ende des Hubzylinders 3 angeordnet ist. Weitere Bedienelemente 5, 5', insbesondere die der ersten Bedienseite 1a, sind hier zu erkennen. So sind am unteren Ende des Hubzylinders 3 mehrere Fußhebel angeordnet sowie eine Bedienfläche für Elektroschalter. FIG. 1a shows the pit lift 2a FIG. 1 in perspective view. This view clearly shows the handle, which is arranged on both sides at the upper end of the lifting cylinder 3. Further operating elements 5, 5 ', in particular those of the first operating side 1a, can be seen here. Thus, 3 more foot levers are arranged at the lower end of the lifting cylinder and a control surface for electric switch.

Figur 2 zeigt einen hängenden Grubenheber 2b, der keine Ausführungsform der Erfindung ist, der ein Fahrgestell 4b aufweist, das fahrbar an Grubenprofilen (hier nicht dargestellt) hängt. Ein Hubzylinder 3 hängt mittig an dem Fahrgestell 4b. Bei dem hängenden Grubenheber 2b weist die erste Bedienseite 1a der Bedienungsvorrichtung 1 mehrere Bedienungselemente 5 auf, die einseitig an dem Hubzylinder 3 angeordnet sind. Nur der Handgriff 5, 5' ist beidseitig am oberen Ende des Hubzylinders 3 angeordnet. FIG. 2 shows a suspended pit lift 2b, which is not an embodiment of the invention, which has a chassis 4b, which is mobile on pit profiles (not here shown). A lifting cylinder 3 depends centrally on the chassis 4b. In the case of the suspended pit lift 2b, the first operating side 1a of the operating device 1 has a plurality of operating elements 5, which are arranged on one side on the lifting cylinder 3. Only the handle 5, 5 'is arranged on both sides at the upper end of the lifting cylinder 3.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

  • Bedienungsvorrichtung (1, 1')Operating device (1, 1 ')
  • erste Bedienseite (1a)first operating page (1a)
  • zweite Bedienseite (1b)second operating side (1b)
  • Grubenheber (2)Pit Jack (2)
  • Grubenheber, bodenfahrbar (2a)Pit lift, floor-mounted (2a)
  • Grubenheber, hängend (2b)Pit lift, hanging (2b)
  • Hubzylinder (3)Lifting cylinder (3)
  • Fahrgestell (4)Chassis (4)
  • Fahrgestell, bodenfahrbar (4a)Chassis, floor-mounted (4a)
  • Fahrgestell, hängend (4b)Chassis, hanging (4b)
  • Betätigungselemente (5, 5')Actuating elements (5, 5 ')

Claims (6)

  1. Pit jack (2), having a first operating side (1a) with a first operating device (1), wherein the first operating side (1a) is arranged on a lifting cylinder (3) and/or on a rolling chassis (4) and the first operating device (1) has a plurality of actuating elements (5), characterized in that a second operating side (1b) having a second operating device (1') is arranged on the pit jack (2), wherein the second operating device (1') has at least one actuating element (5'), wherein the second operating side (1b) is located opposite the first operating side (1a) and the operating device (1, 1') has identical actuating elements (5, 5') on both operating sides (1a, 1b), wherein the actuating elements (5, 5') are push-buttons for lifting and lowering and/or outlet valves and/or hand pumps and/or electric switches.
  2. Pit jack (2) according to claim 1, characterized in that the operating device (1, 1') at least on one of the two operating sides (1a, 1b) has at least one handle for moving the pit jack (2).
  3. Pit jack (2) according to claim 1 or 2, characterized in that at least one hand lever and/or foot lever is provided as actuating element (5, 5').
  4. Pit jack (2) according to any of claims 1 to 3, characterized in that at least one actuating element (5, 5') is configured as a revolving handle.
  5. Pit jack (2) according to any of claims 1 to 4, characterized in that the operating device (1, 1') is arranged on a pit jack (2a) which rests movably on a pit bottom by means of a rolling chassis (4a).
  6. Pit jack (2) according to any of claims 1 to 5, characterized in that the operating device (1, 1') is arranged on a pit jack (2b) which hangs movably on pit profiles by means of a rolling chassis (4b).
EP12192419.5A 2012-03-02 2012-11-13 Control device for a pit jack Active EP2634131B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201220002098 DE202012002098U1 (en) 2012-03-02 2012-03-02 Operating device for a pit lift

Publications (2)

Publication Number Publication Date
EP2634131A1 EP2634131A1 (en) 2013-09-04
EP2634131B1 true EP2634131B1 (en) 2016-03-16

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EP12192419.5A Active EP2634131B1 (en) 2012-03-02 2012-11-13 Control device for a pit jack

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DE (1) DE202012002098U1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298451A1 (en) * 1987-07-09 1989-01-11 Peter Puskarich Roll-tractor splitter
US5284321A (en) * 1992-01-10 1994-02-08 Meyer Hydraulics Corporation Hydraulic jack with single control for actuating hydraulic valve means
US5681029A (en) * 1996-01-11 1997-10-28 Hydra-Tech International Corporation Modular jack

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3817401A (en) * 1972-08-07 1974-06-18 C Becker Self-propelled dual-jack hoist
DE3235829A1 (en) * 1982-09-28 1984-03-29 Kirner Auto-Präzision Robert Fuchs GmbH & Co KG, 6570 Kirn Lifting platform for vehicles, in particular passenger cars
CN2730844Y (en) * 2004-09-29 2005-10-05 段世龙 Suspension large stroke multi-pump type jack
DE102008047089A1 (en) 2008-09-12 2010-03-18 Maha Maschinenbau Haldenwang Gmbh & Co. Kg Hydraulic lift for vehicles, is provided with safety control, where lifting device is provided with controllable actuator
DE202009005661U1 (en) 2009-04-17 2009-07-02 Finkbeiner, Gerhard, Dipl.-Ing. Lifting device for lifting loads, in particular vehicles
DE102009046329A1 (en) * 2009-11-03 2011-05-05 Maha Maschinenbau Haldenwang Gmbh & Co. Kg Device and method for setting up a lifting unit for lifting vehicles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0298451A1 (en) * 1987-07-09 1989-01-11 Peter Puskarich Roll-tractor splitter
US5284321A (en) * 1992-01-10 1994-02-08 Meyer Hydraulics Corporation Hydraulic jack with single control for actuating hydraulic valve means
US5681029A (en) * 1996-01-11 1997-10-28 Hydra-Tech International Corporation Modular jack

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Publication number Publication date
EP2634131A1 (en) 2013-09-04
DE202012002098U1 (en) 2012-03-26

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