EP2948400B1 - Integrated catching device on overtravel brake devices - Google Patents

Integrated catching device on overtravel brake devices Download PDF

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Publication number
EP2948400B1
EP2948400B1 EP13799243.4A EP13799243A EP2948400B1 EP 2948400 B1 EP2948400 B1 EP 2948400B1 EP 13799243 A EP13799243 A EP 13799243A EP 2948400 B1 EP2948400 B1 EP 2948400B1
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EP
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Prior art keywords
coupling
claws
braking
conveyor
coupling claws
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EP13799243.4A
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German (de)
French (fr)
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EP2948400A1 (en
Inventor
Matthias Koch
Johann MERKEL
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Siemag Tecberg GmbH
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Siemag Tecberg GmbH
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Priority to PL13799243T priority Critical patent/PL2948400T3/en
Publication of EP2948400A1 publication Critical patent/EP2948400A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/26—Positively-acting devices, e.g. latches, knives

Definitions

  • the present invention relates to a catching device on overdrive braking device, as described by the preamble of the independent claim.
  • the document US 1334116 discloses a separation and collection device for mine baskets.
  • the document DE 2807267 A1 discloses a braking device which comprises brake bands, the plastic deformation of which through roller boxes in the event of braking causes the delay of an impinging conveying means.
  • catches for securing the conveyor against falling are currently used in the event of an overdoing of a conveyor and a possible rope break in the area of the free height, which are independent of the conveyor and independent of a braking device (e.g. SSA as from Siemag Tecberg offered) are appropriate.
  • the catches are usually relocated in the guide frame.
  • the catch pawls are designed in such a way that they are opened by the conveying means while the conveying means passes through the catch pawls and then are closed again independently, as a rule by weight. Opening is made possible, for example, by articulating the catches outside their center of gravity.
  • the catch pawls can be closed, for example, by actuation or by the weight of the catch pawls.
  • the conveyor system exaggerates and the carrier is neither switched off nor braked.
  • the conveyor runs at full or partial nominal speed on an exaggeration and braking device.
  • the braking device brakes the funding.
  • the funding moves up into the area of the catch pawls, the catch pawls being opened.
  • the rope breaks (machine was not switched off) e.g. after collision with the final and static bumpers at the end of the overdrive.
  • the conveyor drops in the direction of the shaft depth.
  • the funding hits the catch pawls.
  • Another dangerous scenario would be that after the system has been braked, the holding pawls are not reached and the brake system of the carrier does not engage; in this case, too, the conveyance would move into the shaft uncontrolled by the gravitational forces.
  • catch pawls are arranged far below in the area of the free height, e.g. In order to ensure that there is a sufficient safety distance from the height at which the funding comes to a standstill to the height at which the safety catches are already closed, in the case of a scenario in which the free fall is disproportionately high, there is a risk that the impact causes great personal injury or damage to goods.
  • the object of the present invention is therefore to increase the functionality and the safety of the collecting devices for conveying means after an exaggeration, and to reduce the costs for this assembly, the effect of the collecting device immediately after the conveying means hitting the braking frame of the exaggerating Braking device should engage without the funding crossing a substantial height during free fall.
  • a device for collecting a shaft conveyor in the event of an overdoing of a conveyor device, including an overdoing braking device, wherein, according to the invention, coupling devices are provided for automatic, form-fitting engagement with one another for fixing to the braking device and the shaft conveyor.
  • the coupling devices are preferably designed in such a way that they lock the conveying means with the braking frame immediately after the impact of the conveying means on the brake frame of the braking device and thereby reduce the height of the free fall to a minimum, the weight of the conveying means including the lower rope weight (in this respect available) as well as the energy generated by the free fall in the event of a rope break or the braking effect of the conveyor control system failing, by engaging with the brake frame is no longer received in a ratchet stage, but in brake bands of the braking device.
  • the coupling devices preferably consist of coupling claws on the one hand and compatible holding elements on the other hand, into which the coupling claws can engage.
  • the coupling claws are preferably designed as self-opening, articulated lever elements and provided at the opposite end with a claw projection, the coupling claws being able to be pretensioned in the coupling position, preferably by means of corresponding spring elements.
  • the coupling claws are further preferably located on the brake frame of the braking device and the holding elements on the conveying means.
  • the lever elements Shortly before driving onto the braking device, the lever elements rotate about a swivel joint, preferably by the action of force on the part of the moving conveyor, and thereby open.
  • the holding elements of the conveying means Immediately after the holding elements of the conveying means have passed the coupling claws, they close, for example due to the effect of the dead weight of the coupling claws and / or due to the supporting effect of force-storing elements, such as springs.
  • the clearance between the coupling claws and the holding elements is preferably chosen to be so large that there is a minimal distance between the contact surface of the coupling claws and the contact surface of the holding elements.
  • At least the coupling claws and / or the holding elements can moreover be provided with shock-absorbing elements in order to cushion hard engagement or catching of the conveying means and thus keep damage to people and material as low as possible.
  • the contact surfaces of the coupling devices can be provided with a latching geometry or a corresponding undercut.
  • the fastening of the coupling claws and the holding elements can also be reversed, the holding elements being attached to the brake frame of the braking device, while the coupling claws are being attached to the conveying means.
  • the dead weight of the clutch claws can only be used to a limited extent for closing the coupling elements, so that in this case an additional force is required to close the clutch claws and can be provided, for example, by a spring, as already described above ,
  • the funding is therefore held in accordance with the present invention immediately after hitting the brake frame of the braking device, so that scenarios in which the rope breaks do not lead to a crash of the funding.
  • the function of the exaggerated braking device is not affected by the proposed solution.
  • the Figures 1a - 1d show a preferred embodiment of the device for collecting a shaft conveyor (50), the respective Figures 1a . 1b . 1c and 1d show different stages of the entry of the conveyor (50) into the device for collecting a shaft conveyor (50).
  • the brake frame (40) of an SSA braking device which also includes, among other things, braking bands (60), the plastic deformation of which through roller boxes means that the braking means (50) are decelerated in the event of braking.
  • Coupling claws (80), which are attached to the brake frame (40), and holding elements (90) on the conveying means (50), which can interact with the coupling claws (80), can also be seen.
  • the coupling claws (80) which are designed here as L-shaped levers and whose pivot point (82) are arranged in the horizontal bar of the lever, are intended to convey the conveying means (50) immediately after the conveying means (50) hits the SSA brake frame (40) ) with the SSA brake frame (40) and thereby reduce the height of the free fall to a minimum.
  • the weight of the conveyor (50) including the lower rope weight (if available) as well as the energy generated by the free fall in the event of a rope break or failure of the braking system of the conveyor brake system (not shown), by engaging with the SSA brake frame (40) in the brake bands (60) of the braking device.
  • a game between the coupling claws (80) and the holding elements (90) chosen so large that there is a minimal distance between the contact surface of the coupling claws (80) and the contact surface of the holding elements (90).
  • the conveyor (50) is brought to a standstill by the brake frame (40) in connection with the brake bands (60) and falls into the clutch claws (80), which hold the conveyor (50) and prevent a fall.
  • the Figure 2 shows a detailed view of the Figure 1d in the area of the contact surfaces of the coupling claw (80) and holding elements (90), in which the coupling claw (80) engages.
  • the contact surfaces in this special embodiment of this detail are chamfered or undercut in order to prevent the coupling claw (80) from slipping out of the holding elements (90).
  • FIG. 3 finally shows a detailed view of the Figure 1c , also in the area of the contact surfaces of the coupling claw (80) and holding elements (90).
  • a damping buffer (85) is provided on the contact surface of the coupling claw (80) as a measure against a hard placement of the conveying means (50) on the coupling claws (80).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Emergency Lowering Means (AREA)

Description

Die vorliegende Erfindung bezieht sich auf eine Fangeinrichtung an Übertrieb-Bremseinrichtung, wie durch den Oberbegriff des unabhängigen Patentanspruches beschrieben.The present invention relates to a catching device on overdrive braking device, as described by the preamble of the independent claim.

Das Dokument US 1334116 offenbart eine Abtrenn- und Auffangvorrichtung für Minenkörbe. Das Dokument DE 2807267 A1 offenbart eine Abbremseinrichtung die Bremsbänder umfasst, durch deren plastische Verformung durch Rollenboxen hindurch im Falle des Abbremsens die Verzögerung eines auftreffenden Fördermittels erfolgt.The document US 1334116 discloses a separation and collection device for mine baskets. The document DE 2807267 A1 discloses a braking device which comprises brake bands, the plastic deformation of which through roller boxes in the event of braking causes the delay of an impinging conveying means.

Bei der Schachtförderung im Bergbau besteht ein bekanntes Problem im Übertreiben von Fördermitteln. Der Begriff Übertreiben beschreibt dabei die Situation, dass der Förderkorb bei der Schachtförderung erst oberhalb der Rasenhängebank bzw. nominellen Be-/Entladeposition , d.h. den Vorrichtungen und Einbauten im Fördergebäude über Tage zum Stehen kommt. Es besteht dabei die Gefahr, dass die Körbe in Folge einer Störung wegen ihrer größeren Geschwindigkeit und den bewegten Massen des Fördersystems bis an das obere Ende des Fördergerüsts gezogen werden.When mining mines, there is a known problem of overdoing funding. The term exaggerating describes the situation that the hoistway is only above the lawn hanging bench or nominal loading / unloading position, i.e. the fixtures and fittings in the conveyor building come to a standstill for days. There is a danger that the baskets will be pulled up to the upper end of the conveyor frame due to their greater speed and the moving masses of the conveyor system.

In der Schachtfördertechnik werden daher für den Fall des Übertreibens eines Fördermittels und einen dabei möglichem Seilbruch im Bereich der freien Höhe derzeit Fangklinken zur Sicherung des Fördermittels gegen Absturz eingesetzt, die unabhängig von dem Fördermittel sowie unabhängig von einer Abbremseinrichtung (z.B. SSA wie von der Firma Siemag Tecberg angeboten) angebracht sind. Die Fangklinken sind dabei in der Regel im Führungsgerüst verlagert.In shaft conveyor technology, catches for securing the conveyor against falling are currently used in the event of an overdoing of a conveyor and a possible rope break in the area of the free height, which are independent of the conveyor and independent of a braking device (e.g. SSA as from Siemag Tecberg offered) are appropriate. The catches are usually relocated in the guide frame.

Die Fangklinken sind so ausgeführt, dass diese durch das Fördermittel während des Durchfahrens des Fördermittels durch die Fangklinken geöffnet werden und anschließend eigenständig, in der Regel durch Gewichtskraft, wieder geschlossen werden. Das Öffnen wird bspw. ermöglicht/realisiert, indem die Fangklinken außerhalb ihres Schwerpunktes gelenkig gelagert werden. Das Schließen der Fangklinken kann bspw. durch eine Betätigung oder durch das Eigengewicht der Fangklinken erfolgen.The catch pawls are designed in such a way that they are opened by the conveying means while the conveying means passes through the catch pawls and then are closed again independently, as a rule by weight. Opening is made possible, for example, by articulating the catches outside their center of gravity. The catch pawls can be closed, for example, by actuation or by the weight of the catch pawls.

Im geschlossenen Zustand liegen die Fangklinken an einem festen Anschlag an, so dass ein von oben herabfallendes Fördermittel aufgefangen werden kann.In the closed state, the catch pawls rest against a fixed stop, so that a funding falling from above can be caught.

Zur Veranschaulichung des Auffangvorganges wird folgendes Szenario Beschrieben:The following scenario is described to illustrate the collection process:

Das Fördersystem übertreibt und die Fördermaschine wird weder abgeschaltet noch abgebremst.The conveyor system exaggerates and the carrier is neither switched off nor braked.

Das Fördermittel fährt mit voller oder Teil- Nenngeschwindigkeit auf eine Übertreib- und Abbremseinrichtung auf.The conveyor runs at full or partial nominal speed on an exaggeration and braking device.

Die Abbremseinrichtung bremst das Fördermittel ab.The braking device brakes the funding.

Das Fördermittel fährt in den Bereich der Fangklinken hinauf, wobei die Fangklinken geöffnet werden.The funding moves up into the area of the catch pawls, the catch pawls being opened.

Nachdem das Fördermittel an den Fangklinken vorbei gefahren ist, werden diese geschlossen bzw. fallen diese durch das Eigengewicht wieder zu.After the funding has passed the catches, they are closed or they fall back due to their own weight.

Das Seil reißt (Maschine wurde nicht abgeschaltet) z.B. nach Kollision mit den finalen und statischen Prellträgern am Ende des Übertreibweges.The rope breaks (machine was not switched off) e.g. after collision with the final and static bumpers at the end of the overdrive.

Nachdem der Bremsvorgang abgeschlossen ist, fällt das Fördermittel in die Richtung der Schachttiefe hinunter.After the braking process is completed, the conveyor drops in the direction of the shaft depth.

Das Fördermittel prallt auf die Fangklinken auf.The funding hits the catch pawls.

Es ist anzumerken, dass zahlreiche weitere Szenarien möglich sind.It should be noted that numerous other scenarios are possible.

Die aktuellen Auffangvorrichtungen haben jedoch eine Reihe von Nachteilen und Problemen.However, the current collection devices have a number of disadvantages and problems.

Die Wirkung der Auffangvorrichtung ist ortsgebunden. D.h. die Fangklinken sind außerhalb des Systems bestehend aus Fördermittel/ Sicherheits- Abbremseinrichtung (SSA) angebracht. Dadurch muss zwangsweise der freie Fall des Fördermittels stattfinden, bevor das Fördermittel in den Fangklinken aufgefangen wird. Der freie Fall verursacht einen im schlechtesten Fall unkontrollierten Aufprall des Fördermittels auf den Fangklinken. Dies hat zur nachteiligen Folge, dass Personen bzw. Güter, die sich in dem Förderkorb befinden, einer ruckartigen Stoßbewegung ausgesetzt werden, was zu einem Personen- bzw. zu einem Güterschaden führen kann. Weiterhin könnten Fangklinken und/oder der Kopfrahmen des Fördermittels sich bei dem Aufprall im unzulässigen Bereich verformen, was wiederum zu katastrophalen Resultaten führen kann.The effect of the fall arrester is local. That the catch pawls are attached outside the system consisting of a conveyor / safety braking device (SSA). As a result, the free fall of the funding must take place before the funding is caught in the catch pawls. The free fall causes, in the worst case, an uncontrolled impact of the funding on the catch pawls. This has the disadvantageous consequence that people or goods that are in the conveyor basket are subjected to a jerky shock movement, which can lead to personal injury or damage to goods. Furthermore, catch pawls and / or the head frame of the conveying means could deform in the impermissible area upon impact, which in turn can lead to catastrophic results.

Da die Wirkung der Fangklinken ortsgebunden ist, kann es vorkommen, dass das Seil, im Falle eines ungünstigen Szenarios sowie bei einer ungünstigen Anordnung der Fangklinken, bricht, bevor das Fördermittel durch die Fangklinken hindurch fährt. In diesem Fällen würde das Fördermittel völlig unkontrolliert in die Tiefe abstürzen.Since the action of the catch pawls is localized, it can happen that the rope breaks, in the case of an unfavorable scenario and in the case of an unfavorable arrangement of the catch pawls, before the conveyance passes through the catch pawls. In this case, the funding would plummet in an uncontrolled manner.

Ein anderes, gefährliches Szenario wäre, dass nach dem Abbremsen des Systems beim Übertreiben die Halteklinken nicht erreicht werden und die Bremsanlage der Fördermaschine nicht greift; auch in diesem Falle würde das Fördermittel ggf. durch die Gravitationskräfte unkontrolliert in den Schacht fahren.Another dangerous scenario would be that after the system has been braked, the holding pawls are not reached and the brake system of the carrier does not engage; in this case, too, the conveyance would move into the shaft uncontrolled by the gravitational forces.

Werden die Fangklinken weit unten im Bereich der freien Höhe angeordnet, z.B. damit ein ausreichender Sicherheitsabstand von der Höhe, an der das Fördermittel zum Stehen kommt, bis zur Höhe, an der bereits geschlossene Fangklinken aufliegen, gegeben ist, so besteht im Falle des Szenarios, bei dem der freie Fall unverhältnismäßig hoch ist, die Gefahr, dass der Aufprall dadurch einen großen Personen- bzw. Güterschaden verursacht.If the catch pawls are arranged far below in the area of the free height, e.g. In order to ensure that there is a sufficient safety distance from the height at which the funding comes to a standstill to the height at which the safety catches are already closed, in the case of a scenario in which the free fall is disproportionately high, there is a risk that the impact causes great personal injury or damage to goods.

Darüber hinaus sind für die bekannten Lösungen besondere Befestigungen für die Fangklinken erforderlich und verursachen daher zusätzliche Kosten.In addition, special attachments for the catch pawls are required for the known solutions and therefore cause additional costs.

Die Aufgabe der vorliegenden Erfindung ist es daher, die Funktionalität und die Sicherheit der Auffangvorrichtungen für Fördermittel nach einem Übertreiben zu erhöhen, sowie die Kosten für diese Baugruppe zu senken, wobei die Wirkung der Auffangvorrichtung unmittelbar nach dem Auftreffen des Fördermittels an dem Bremsrahmen der Übertreib- Abbremseinrichtung greifen soll, ohne, dass das Fördermittel eine wesentliche Höhe während des freien Falls durchquert.The object of the present invention is therefore to increase the functionality and the safety of the collecting devices for conveying means after an exaggeration, and to reduce the costs for this assembly, the effect of the collecting device immediately after the conveying means hitting the braking frame of the exaggerating Braking device should engage without the funding crossing a substantial height during free fall.

Dies Aufgabe wird durch die Merkmale des unabhängigen Patentanspruches 1 gelöst, wobei zweckmäßige Ausführungsformen durch die Merkmale der abhängigen Ansprüche beschrieben sind.This object is achieved by the features of independent claim 1, expedient embodiments being described by the features of the dependent claims.

Vorgesehen ist dabei eine Vorrichtung zum Auffangen eines Schachtfördermittels im Falle des Übertreibens einer Fördereinrichtung, einschließlich einer Übertreib-Abbremseinrichtung, wobei nach Maßgabe der Erfindung Kupplungseinrichtungen zum automatischen, formschlüssigen Eingriff miteinander zur Fixierung an der Abbremseinrichtung und dem Schachtfördermittel vorgesehen sind.In this case, a device is provided for collecting a shaft conveyor in the event of an overdoing of a conveyor device, including an overdoing braking device, wherein, according to the invention, coupling devices are provided for automatic, form-fitting engagement with one another for fixing to the braking device and the shaft conveyor.

Die Nachteile der bisherigen Auffangvorrichtungen werden dabei weitgehend minimiert, da die Kupplungseinrichtungen eine Auffangfunktion beinhalten und damit die bisherige Auffangvorrichtungen in Form von Klinken ablösen.The disadvantages of the previous collecting devices are largely minimized, since the coupling devices contain a collecting function and thus replace the previous collecting devices in the form of pawls.

Die Kupplungseinrichtungen sind dabei vorzugsweise derart gestaltet, dass sie unmittelbar nach dem Auftreffen des Fördermittels auf den Bremsrahmen der Abbremsvorrichtung das Fördermittel mit dem Bremsrahmen verriegeln und dadurch die Höhe des freien Falls auf ein minimales Maß reduzieren, wobei das Gewicht des Fördermittels inkl. Unterseilgewicht (insoweit vorhanden) sowie die durch den freien Fall erzeugte Energie im Falle von Seilbruch oder Ausbleiben der Bremswirkung der Fördermaschinensteuerung, durch das Einkuppeln mit dem Bremsrahmen nicht mehr in einer Fangklinkenbühne aufgenommen wird, sondern in Bremsbändern der Abbremseinrichtung.The coupling devices are preferably designed in such a way that they lock the conveying means with the braking frame immediately after the impact of the conveying means on the brake frame of the braking device and thereby reduce the height of the free fall to a minimum, the weight of the conveying means including the lower rope weight (in this respect available) as well as the energy generated by the free fall in the event of a rope break or the braking effect of the conveyor control system failing, by engaging with the brake frame is no longer received in a ratchet stage, but in brake bands of the braking device.

Daher entfällt der Kostenaufwand für die bisherigen statischen Fangklinken vollständig.Therefore, the cost of the previous static catches is completely eliminated.

Die Kupplungseinrichtungen bestehen dabei vorzugsweise aus, Kupplungsklauen einerseits sowie damit kompatiblen Haltelementen andererseits, in die die Kupplungsklauen eingreifen können.The coupling devices preferably consist of coupling claws on the one hand and compatible holding elements on the other hand, into which the coupling claws can engage.

Die Kupplungsklauen sind dabei vorzugsweise als selbstöffnende, gelenkig gelagerte und am gegenüberliegenden Ende mit einem Klauenvorsprung versehene Hebelelemente ausgestaltet, wobei die Kupplungsklauen in Kupplungsstellung vorspannt sein können, vorzugsweise durch entsprechende Federelemente.The coupling claws are preferably designed as self-opening, articulated lever elements and provided at the opposite end with a claw projection, the coupling claws being able to be pretensioned in the coupling position, preferably by means of corresponding spring elements.

Weiter bevorzugt befinden sich die Kupplungsklauen dabei am Bremsrahmen der Abbremseinrichtung und die Halteelemente am Fördermittel. Kurz vor dem Auffahren auf die Abbremseinrichtung drehen sich die Hebelelemente um ein Drehgelenk, vorzugsweise durch Krafteinwirkung seitens des fahrenden Fördermittels, und öffnen sich dadurch. Unmittelbar nachdem die Haltelemente des Fördermittels an den Kupplungsklauen vorbeigefahren sind, schließen sich diese, bspw. durch die Wirkung des Eigengewichtes der Kupplungsklauen und/oder durch die unterstützende Wirkung von kraftspeichernden Elementen, wie bspw. durch Federn. Dabei wird das Spiel zwischen den Kupplungsklauen und den Halteelementen vorzugsweise so groß gewählt, dass ein minimaler Abstand zwischen der Auflagefläche der Kupplungsklauen und der Auflagefläche der Halteelemente vorhanden ist.The coupling claws are further preferably located on the brake frame of the braking device and the holding elements on the conveying means. Shortly before driving onto the braking device, the lever elements rotate about a swivel joint, preferably by the action of force on the part of the moving conveyor, and thereby open. Immediately after the holding elements of the conveying means have passed the coupling claws, they close, for example due to the effect of the dead weight of the coupling claws and / or due to the supporting effect of force-storing elements, such as springs. The clearance between the coupling claws and the holding elements is preferably chosen to be so large that there is a minimal distance between the contact surface of the coupling claws and the contact surface of the holding elements.

Zumindest die Kupplungsklauen und/oder die Halteelemente können darüber hinaus mit stoßdämpfenden Elementen versehen sein um eine hartes Einkuppeln bzw. Auffangen des Fördermittels abzufedern und somit Schäden für Mensch und Material so gering wie möglich zu halten.At least the coupling claws and / or the holding elements can moreover be provided with shock-absorbing elements in order to cushion hard engagement or catching of the conveying means and thus keep damage to people and material as low as possible.

Um ein unkontrolliertes Abrutschen der Kupplungseinrichtungen voneinander zu verhindern, können die Kontaktflächen der Kupplungseinrichtungen zueinander mit einer Rastgeometrie oder einem entsprechenden Hinterschnitt versehen sein.In order to prevent the coupling devices from slipping apart in an uncontrolled manner, the contact surfaces of the coupling devices can be provided with a latching geometry or a corresponding undercut.

Alternativ zu der zuvor beschriebenen Anordnung kann die Befestigung der Kupplungsklauen und der Halteelemente auch umgekehrt sein, wobei die Halteelemente an dem Bremsrahmen der Abbremseinrichtung angebracht sind, während die Kupplungsklauen an dem Fördermittel angebracht werden. Im Fall der umgekehrten Anordnung kann das Eigengewicht der Kupplungsklauen nur bedingt für das Schließen der Einkuppel-Elemente eingesetzt werden, sodass in diesem Fall eine zusätzliche Kraft zum Schließen der Kupplungsklauen erforderlich ist und bspw. durch eine Feder, wie zuvor bereits beschrieben, bereitgestellt werden kann.As an alternative to the arrangement described above, the fastening of the coupling claws and the holding elements can also be reversed, the holding elements being attached to the brake frame of the braking device, while the coupling claws are being attached to the conveying means. In the case of the reverse arrangement, the dead weight of the clutch claws can only be used to a limited extent for closing the coupling elements, so that in this case an additional force is required to close the clutch claws and can be provided, for example, by a spring, as already described above ,

Das Fördermittel wird nach Maßgabe der vorliegenden Erfindung daher unmittelbar nach dem Auftreffen auf den Bremsrahmen der Abbremseinrichtung festgehalten, so dass Szenarien, bei denen das Seil bricht nicht zu einem Absturz des Fördermittels führen. Die Funktion der Übertreib-Bremseinrichtung wird durch die vorgeschlagene Lösung dabei nicht beeinträchtigt.The funding is therefore held in accordance with the present invention immediately after hitting the brake frame of the braking device, so that scenarios in which the rope breaks do not lead to a crash of the funding. The function of the exaggerated braking device is not affected by the proposed solution.

Mit der vorgeschlagenen Lösung ist es im Gegensatz zu bekannten Lösungen möglich, das übertreibende Fördermittel an jeder Position des Übertreibweges festzuhalten.In contrast to known solutions, with the proposed solution it is possible to hold the exaggerated conveying means at every position of the exaggeration path.

Weitere Eigenschaften, Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden, rein illustrativen und in keiner Weise beschränkenden Beschreibung einer bevorzugten Ausführungsform der vorliegenden Erfindung und Bezugnahme auf die beigefügten Zeichnungen; darin zeigen die:

  • Figuren 1a - 1d eine bevorzugte Ausführungsform der Vorrichtung zum Auffangen eines Schachtfördermittels;
  • Fig. 2 eine Detailansicht der Vorrichtung zum Auffangen eines Schachtfördermittels nach Fig. 1a- 1d; und
  • Fig. 3 eine weitere Detailansicht der Vorrichtung zum Auffangen eines Schachtfördermittels.
Further properties, features and advantages of the invention will become apparent from the following, purely illustrative and in no way limiting description of a preferred embodiment of the present invention and reference to the accompanying drawings; in it show the:
  • Figures 1a - 1d a preferred embodiment of the device for collecting a shaft conveyor;
  • Fig. 2 a detailed view of the device for collecting a shaft conveyor after 1a-1d ; and
  • Fig. 3 a further detailed view of the device for collecting a shaft conveyor.

Die Figuren 1a - 1d zeigen eine bevorzugte Ausführungsform der Vorrichtung zum Auffangen eines Schachtfördermittels (50), wobei die jeweiligen Figuren 1a, 1b, 1c und 1d unterschiedliche Stadien des Einfahrens des Fördermittels (50) in die Vorrichtung zum Auffangen eines Schachtfördermittels (50) zeigen.The Figures 1a - 1d show a preferred embodiment of the device for collecting a shaft conveyor (50), the respective Figures 1a . 1b . 1c and 1d show different stages of the entry of the conveyor (50) into the device for collecting a shaft conveyor (50).

Zu erkennen sind in den Figuren 1a bis 1d der Bremsrahmen (40) einer SSA-Abbremseinrichtung, die unter anderem auch Bremsbänder (60) umfasst, durch deren plastische Verformung durch Rollenboxen hindurch im Falle des Abbremsens die Verzögerung des auftreffenden Fördermittels (50) erfolgt. Zu erkennen sind darüber hinaus Kupplungsklauen (80), die am Bremsrahmen (40) befestigt sind, sowie Halteelemente (90) am Fördermittel (50), die mit den Kupplungsklauen (80) zusammenwirken können.Can be seen in the Figures 1a to 1d the brake frame (40) of an SSA braking device, which also includes, among other things, braking bands (60), the plastic deformation of which through roller boxes means that the braking means (50) are decelerated in the event of braking. Coupling claws (80), which are attached to the brake frame (40), and holding elements (90) on the conveying means (50), which can interact with the coupling claws (80), can also be seen.

Die Kupplungsklauen (80), die hier als L-förmige Hebel ausgebildet sind und deren Drehpunkt (82) im Horizontalbalken des Hebels angeordnet sind, sollen unmittelbar nach dem Auftreffen des Fördermittels (50) auf den SSA-Bremsrahmen (40) das Fördermittel (50) mit dem SSA-Bremsrahmen (40) verriegeln und dadurch die Höhe des freien Falls auf ein minimales Maß reduzieren. Das Gewicht des Fördermittels (50) inkl. Unterseilgewicht (insoweit vorhanden) sowie die durch den freien Fall erzeugte Energie im Falle von Seilbruch oder Ausbleiben der Bremswirkung der Fördermaschinenbremsanlage (nicht gezeigt), durch das Einkuppeln mit dem SSA-Bremsrahmen (40), wird in den Bremsbändern (60) der Abbremseinrichtung aufgenommen.The coupling claws (80), which are designed here as L-shaped levers and whose pivot point (82) are arranged in the horizontal bar of the lever, are intended to convey the conveying means (50) immediately after the conveying means (50) hits the SSA brake frame (40) ) with the SSA brake frame (40) and thereby reduce the height of the free fall to a minimum. The weight of the conveyor (50) including the lower rope weight (if available) as well as the energy generated by the free fall in the event of a rope break or failure of the braking system of the conveyor brake system (not shown), by engaging with the SSA brake frame (40) in the brake bands (60) of the braking device.

Die Kupplungsklauen (80), wie in Fig. 1b gezeigt, lenken beim Auftreffen des Fördermittels (50) auf die Vorrichtung aus und drehen sich kurz vor dem Auffahren auf den Bremsrahmen (40) um ihren Drehpunkt (82), im dargestellten Beispiel durch Krafteinwirkung seitens des fahrenden Fördermittels (50) und öffnen sich dadurch. Unmittelbar, nachdem die Haltelemente (90) des Fördermittels (50) an den Kupplungsklauen (80) vorbeigefahren sind, schließen sich die Kupplungsklauen (80) wieder, entweder durch die Wirkung des Eigengewichtes der Kupplungsklauen (80) oder, wie im vorliegenden Beispiel gezeigt, durch die Wirkung von Federn (70). Dabei wird, wie in Fig. 1c gezeigt, ein Spiel zwischen den Kupplungsklauen (80) und den Halteelementen (90) so groß gewählt, dass ein minimaler Abstand zwischen der Auflagefläche der Kupplungsklauen (80) und der Auflagefläche der Halteelemente (90) vorhanden ist.The clutch claws (80), as in Fig. 1b shown deflect upon impact of the conveyor (50) on the device and rotate shortly before it hits the brake frame (40) about its pivot point (82), in the example shown by the force of the moving conveyor (50) and thereby open , Immediately after the holding elements (90) of the conveying means (50) have passed the coupling claws (80), the coupling claws (80) close again, either by the effect of the weight of the clutch claws (80) or, as shown in the present example, by the action of springs (70). Here, as in Fig. 1c shown, a game between the coupling claws (80) and the holding elements (90) chosen so large that there is a minimal distance between the contact surface of the coupling claws (80) and the contact surface of the holding elements (90).

Wie schließlich der Figur 1d zu entnehmen, wird das Fördermittel (50) durch den Bremsrahmen (40) im Zusammenhang mit den Bremsbändern (60) zum Stehen gebracht und fällt in die Kupplungsklauen (80), die das Fördermittel (50) festhalten und einen Absturz verhindern.How finally the Figure 1d To remove, the conveyor (50) is brought to a standstill by the brake frame (40) in connection with the brake bands (60) and falls into the clutch claws (80), which hold the conveyor (50) and prevent a fall.

Die Figur 2 zeigt eine Detailansicht der Figur 1d im Bereich der Kontaktflächen von Kupplungsklaue (80) und Halteelemente (90), in welches die Kupplungsklaue (80) eingreift. Wie zu erkennen ist, sind die Kontaktflächen in dieser speziellen Ausführungsform dieses Details abgeschrägt bzw. hinterschnitten, um ein Abrutschen der Kupplungsklaue (80) aus dem Haltelemente (90) zu verhindern.The Figure 2 shows a detailed view of the Figure 1d in the area of the contact surfaces of the coupling claw (80) and holding elements (90), in which the coupling claw (80) engages. As can be seen, the contact surfaces in this special embodiment of this detail are chamfered or undercut in order to prevent the coupling claw (80) from slipping out of the holding elements (90).

Die Figur 3 schließlich zeigt eine Detailansicht der Figur 1c, ebenfalls im Bereich der Kontaktflächen von Kupplungsklaue (80) und Halteelemente (90). Wie der Figur 3 dabei zu entnehmen ist, ist auf der Kontaktfläche der Kupplungsklaue (80) dabei ein Dämpfungspuffer (85) vorgesehen, als Maßnahme gegen ein hartes Aufsetzen des Fördermittels (50) auf den Kupplungsklauen (80).The Figure 3 finally shows a detailed view of the Figure 1c , also in the area of the contact surfaces of the coupling claw (80) and holding elements (90). Again Figure 3 It can be seen here that a damping buffer (85) is provided on the contact surface of the coupling claw (80) as a measure against a hard placement of the conveying means (50) on the coupling claws (80).

Claims (7)

  1. A device for catching a shaft hoisting means (50) in the case of overtravel of a hoisting device, including an overtravel braking device, wherein coupling devices (80) for automatic, form-fitting engagement with one another for attachment to the braking device and the shaft hoisting means (50) are provided, characterised in that the braking device comprises a brake frame (40) as well as brake bands (60), which, due to their plastic deformation through roller boxes, decelerate the falling hoisting means (50) in the case of braking.
  2. The device according to claim 1, characterized in that the coupling devices consist of coupling claws (80) on the one hand, and holding elements (90) compatible therewith on the other hand, with which the coupling claws can engage.
  3. The device according to claim 2, characterized in that the coupling claws (80) are configured as self-opening, pivotally mounted lever elements (90) supplied with a claw projection at the opposite end.
  4. The device according to claim 3, characterized in that the coupling claws (80) are biased in the coupling position.
  5. The device according to claim 4, characterized in that spring elements (70) are provided for biasing the coupling claws (80).
  6. The device according to any of the claims 2 to 5, characterized in that at least the coupling claws (80) and/or the holding elements are supplied with shock-absorbing elements (85).
  7. The device according to any of the preceding claims, characterized in that the mutual contact areas of the coupling devices are provided with a locking geometry to one another.
EP13799243.4A 2013-01-28 2013-11-22 Integrated catching device on overtravel brake devices Active EP2948400B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13799243T PL2948400T3 (en) 2013-01-28 2013-11-22 Integrated catching device on overtravel brake devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013001405.0A DE102013001405A1 (en) 2013-01-28 2013-01-28 Integrated catcher on overdrive brake devices
PCT/EP2013/074485 WO2014114384A1 (en) 2013-01-28 2013-11-22 Integrated catching device on overdrive brake devices

Publications (2)

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EP2948400A1 EP2948400A1 (en) 2015-12-02
EP2948400B1 true EP2948400B1 (en) 2020-01-08

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US (1) US10407277B2 (en)
EP (1) EP2948400B1 (en)
CN (1) CN105073617B (en)
AP (1) AP2015008619A0 (en)
AU (2) AU2013375439A1 (en)
CA (1) CA2899121C (en)
DE (1) DE102013001405A1 (en)
EA (1) EA035871B1 (en)
PL (1) PL2948400T3 (en)
WO (1) WO2014114384A1 (en)
ZA (1) ZA201505344B (en)

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DE102016122165B4 (en) 2016-11-17 2019-02-21 Olko-Maschinentechnik Gmbh Shaft conveyor with over-drive braking device
CN109292648B (en) * 2018-10-30 2020-12-08 泉州台商投资区长矽工业设计有限公司 Building engineering tower crane based on high-altitude vertical transportation of food and goods
CA3139263A1 (en) 2019-05-07 2020-11-12 Flsmidth A/S Conveyance catch apparatus
CN114194978B (en) * 2021-11-29 2023-09-29 黄山多杰工程机械有限公司 Can prevent elevator from dashing standard festival on top

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CA2899121A1 (en) 2014-07-31
DE102013001405A1 (en) 2014-07-31
US20150360907A1 (en) 2015-12-17
WO2014114384A1 (en) 2014-07-31
CN105073617A (en) 2015-11-18
EP2948400A1 (en) 2015-12-02
US10407277B2 (en) 2019-09-10
CA2899121C (en) 2019-06-04
PL2948400T3 (en) 2020-07-27
EA035871B1 (en) 2020-08-24
EA201500777A1 (en) 2015-11-30
AU2018232950A1 (en) 2018-10-11
ZA201505344B (en) 2016-07-27
AP2015008619A0 (en) 2015-07-31
AU2018232950B2 (en) 2020-07-16
CN105073617B (en) 2018-04-10
AU2013375439A1 (en) 2015-09-10

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