EP3526152B1 - Shaft hoisting plant having an overwind brake device - Google Patents

Shaft hoisting plant having an overwind brake device Download PDF

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Publication number
EP3526152B1
EP3526152B1 EP17793958.4A EP17793958A EP3526152B1 EP 3526152 B1 EP3526152 B1 EP 3526152B1 EP 17793958 A EP17793958 A EP 17793958A EP 3526152 B1 EP3526152 B1 EP 3526152B1
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EP
European Patent Office
Prior art keywords
retaining strips
conveying means
shaft hoisting
plant according
guide
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EP17793958.4A
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German (de)
French (fr)
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EP3526152A1 (en
Inventor
Matthias JUNGE
Lars Rietz
Dr. Nicole KLEIN
Eduard Haberkorn
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Olko Maschinentechnik GmbH
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Olko Maschinentechnik GmbH
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Publication of EP3526152A1 publication Critical patent/EP3526152A1/en
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Classifications

    • 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
    • B66B5/28—Buffer-stops for cars, cages, or skips
    • 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 invention relates to a shaft conveyor system with a conveyor and an overdrive braking device for the conveyor, a longitudinally extending track for the conveyor and an overdrive adjoining a lower and / or upper end of the track.
  • a safety device which acts directly on the control of the hoisting machine, ensures that the hoisting machine is stopped.
  • the hoisting machine is then switched off by the limit switch and braked by the safety brake.
  • a mechanical device must greatly reduce the speed of the conveying means for safety reasons. If the conveyor goes underneath the bumper beam without braking, this can have serious consequences and even break the rope. Even at a low speed of a conveyor, it can have serious consequences for those driving on it if the conveyor drives unchecked under the bumper.
  • the overdrive braking device also referred to as an overdrive protection, reduces the consequences of exaggeration.
  • the overdrive braking device is located at the end of the shaft guide and has a device for braking that decelerates the conveying means.
  • the braking effect may only start above the upper stop of the conveyor and after the limit switch has been passed. For safety reasons, the maximum delay of the conveyor should not exceed the value of 9.81 m / s 2 .
  • braking devices In the case of shaft conveyor systems with guide rails, thickened or mutually inclined guide rails are used as braking devices.
  • the widened or contracted track battens are usually made of wood.
  • the braking devices In systems with rail guidance, the braking devices can also be made of steel.
  • the guide rod thickening is carried out in such a way that the guide rods are widened above and below the outermost operating position of the conveying means. This widening is carried out symmetrically on each side of the guide rails. If a conveying means is driven into the thickening of the guide staff, this is damaged by the guide shoes arranged on the conveying means. Braking with thickened guide rails is uncontrolled and often leads to the destruction of the conveyor.
  • an overdrive braking device from SIEMAG TECBERG in which a braking frame with roller boxes is forcibly guided on flat belts during braking. The plastic deformation of the brake bands in the roller boxes slows down the conveying means that hit the brake frame.
  • the overdrive decelerator can be installed at either end of the driveway and in both conveyor strands. The dimensions of the Flat belts are selected to match the shaft conveyor system, depending on the forces that occur.
  • the structure of the overdrive braking device from SIEMAG TECBERG can be found in its brochure "Technical Information Safety Braking Devices (SSA)", published at www.siemag-tecberg.com on 06/01/2016 and the DE 10 2013 001 405 A1 , Paragraph [0040].
  • a shaft hoisting system with a conveyor and an overdrive braking device for the conveyor with a longitudinally extending track for the conveyor as well as an overdrive path connected to a lower and / or upper end of the driveway, referred to there as an overdrive or underdrive zone, known.
  • brake booms are provided that are attached to the shaft or scaffolding support or to an auxiliary structure.
  • Braking means for example cutting tools, are arranged on the conveying means and, when the conveying means is overdriven, come into engagement with the braking beams made of any building material.
  • the GB 1 561 509 A discloses a shaft conveyor system comprising a shaft and a basket which can be moved in the vertical direction in the shaft.
  • a cutting edge is attached to the underside of the basket. When the basket crashes, it is slowed down by dipping the cutting edge into a column of energy-absorbing material, the column in a guide is arranged.
  • the energy-absorbing material is a reinforced plastic material.
  • Holding elements designed as holding strips are fastened in pairs and spaced apart on the overdriving path or on the conveying means.
  • Energy-absorbing material in the form of plates is arranged between the retaining strips.
  • a plow protruding into the space between the holding strips is arranged to be movable in the longitudinal direction relative to the holding strips. The retaining strips prevent the energy-absorbing material from buckling when it hits the plow.
  • the introduction of force by the plow takes place in a targeted manner on the energy-absorbing material which is fixed by the retaining strips and which is deformed and / or destroyed during the linear relative movement between the plow and the retaining strips along the braking distance. If the braking process is based on a deformation of the energy-absorbing material, it is about a plastic deformation, to avoid elastic forces counteracting the braking force.
  • the material properties of the energy-absorbing material are matched to the driving speed and the weight of the conveying means including the weight of the rope.
  • the energy-absorbing material is arranged in the form of plates one above the other between the holding elements designed as holding strips.
  • the plates can be arranged individually or in the form of several stacks of plates one above the other.
  • the retaining strips preferably encompass the edges of the longitudinal, i. Plates or stacks of plates arranged one above the other between the retaining strips in the direction of the braking distance. If the conveying means accidentally enters the overdrive braking device only over a part of the braking distance, only the plates destroyed by the plow need to be replaced.
  • Either the plow is movable and the retaining strips are arranged in a stationary manner on the overdriving path or the plow is arranged in a stationary manner on the overdriving path and the holding strips are movably arranged.
  • the plow can be arranged directly on the conveying means.
  • the plow can be arranged on a movable brake frame which is positively guided in the longitudinal direction of the overdrive path.
  • the brake frame is guided in particular in a guide frame of the shaft conveyor system.
  • the brake frame has stop surfaces on which the excessive conveying means strikes and thereby transfers the kinetic energy to the brake frame and the plow arranged thereon.
  • the plow is indirectly linked to the conveyor.
  • the retaining strips are stationary, preferably displaced on the guide frame.
  • the plow can be shifted directly on the guide frame.
  • the retaining strips are relocated to the movable conveyor.
  • fiber composite materials are preferably used as energy-absorbing material, which comprise a bedding matrix made of plastic and reinforcing fibers.
  • the fibers give the material its high mechanical stability, while the matrix absorbs the forces exerted by the plow and distributes them in the structure.
  • the fibers can consist of inorganic and / or organic and / or metallic material.
  • the guide frame of the overdrive braking device must be designed in such a way that the conveying means can move freely along the intended braking distance when overdriven.
  • the guide frame has several, for example four vertical support beams as well as an upper and a lower displacement, each of which consists of several, for example four, transverse beams arranged between the support beams.
  • Opposite front sides and opposite long sides delimit a cuboid guide frame with four vertical support beams.
  • the width of the longitudinal sides of the guide frame is greater than the width of the longitudinal sides of the conveyor.
  • the width of the end faces of the guide frame is greater than the width of the end faces of the conveyor.
  • the conveying means is usually designed as a conveyor cage and consists of a stable steel profile frame with mostly several levels.
  • the front sides of the conveyor cage are open, while the side walls are covered with metal sheets, in particular perforated sheets.
  • the front entrances are closed with a door for passenger transport.
  • the retaining strips with the energy-absorbing material arranged in between are preferably arranged parallel to the side walls of the conveyor cage on the guide frame or directly on the conveyor so as not to hinder access to the end faces of the conveyor cage.
  • At least one pair of retaining strips are attached to the lower and upper displacements on opposite sides of the guide frame and extend parallel to the support beams between the displacements.
  • the pairs of retaining strips are preferably attached centrally to the displacements.
  • At least one guide profile is attached to the lower and upper offset on opposite sides of the guide frame and extends parallel to the support beams, with guide shoes arranged on the brake frame encompassing the guide profiles.
  • overdrive braking device If the overdrive braking device is located at the upper stop of the conveying path, supports arranged on the lower displacement bear the load of the brake frame that can be moved in the direction of the braking path. However, if the overdrive braking device is arranged in the shaft sump, the Load of the brake frame on the plow can be absorbed by the plates made of energy-absorbing material.
  • the guide profiles of the brake frame are preferably arranged parallel to the end faces of the conveying means.
  • Figure 1 shows a first embodiment of an overdrive braking device (1) for a conveyor (2) designed as a conveyor basket, which is arranged at the end of the conveyor path above the upper stop.
  • the overdrive braking device (1) has a brake frame (5) which is positively guided in a longitudinal direction (4) in a guide frame (3) and which is set up for the conveying means (2) to hit when the conveying means (2) is overdriven.
  • the guide frame (3) comprises four vertical support beams (3.1) and an upper displacement (3.2) and a lower displacement (3.3), each of which consists of four cross members (3.4) arranged between the support beams (3.1).
  • the cuboid guide frame (3) is delimited by opposite end faces (3.5) parallel to the open end faces of the conveyor cage (2) and opposite longitudinal sides (3.6) parallel to the side walls of the conveyor cage (2).
  • a pair of retaining strips (6.1, 6.2) is attached to the lower and upper displacements (3.2, 3.3) by means of fastening strips (7).
  • the pairs of retaining strips (6.1, 6.2) extend parallel to the support beams (3.1) and in the longitudinal direction (4) of the guide frame (3).
  • plates (8) made of energy-absorbing material are arranged one above the other in the longitudinal direction (4).
  • the material is, in particular, fiber-reinforced plastic.
  • the rectangular brake frame (5) is stiffened by struts (5.1), which at the same time form the impact surface for the conveying means (2) that hit when overdriving.
  • struts (5.1) From the outer circumference of the brake frame (5) in the direction of the longitudinal sides (3.6) of the guide frame (3) on both sides a plow (9) extends in the direction of the braking distance (10) (cf. Figure 2 c) a cutting edge (9.1) (cf. Figure 2 b) having.
  • the plow (9) extends in the horizontal direction into the space between the retaining strips (6.1, 6.2) below the plates (8) made of energy-absorbing material.
  • a total of four guide shoes (11) are arranged on the outer edge of the brake frame (5) and extend in the direction of the opposite end faces (3.5) of the guide frame (3).
  • two guide profiles (12) are attached to the lower and upper displacements (3.2, 3.3) and extend parallel to the support beams (3.1).
  • the guide shoes (11) attached to the brake frame (5) embrace the guide profiles (12).
  • the brake frame (5) is forcibly guided in the longitudinal direction (4) of the guide frame (1) along the guide profiles (12) so that it cannot tilt.
  • the brake frame (5) is in the starting position of the overdrive braking device.
  • the brake frame rests on supports (13.1, 13.2) which extend between the longitudinal cross members (3.4) of the lower displacement (3.3).
  • the distance between the supports (13.1, 13.2) is dimensioned so that the Rectangular brake frame (5) with the frame parts running parallel to the end faces (3.5) rests on the supports (13.1, 13.2), but the excessive conveying means (2) easily clears the cross-section in the guide frame (3 ) can happen.
  • the conveyor (2) hits the brake frame (5) which, as a result of the kinetic energy of the excessive conveyor (2), moves upwards along the braking path (10) in the guide frame (3) (cf. Figure 2 c) .
  • the plow (9) destroys the energy-absorbing material of the plates (8) and thereby brakes the conveying means (2) at the end of the braking distance (10) to a standstill.
  • Figure 3 shows a perspective view of a second exemplary embodiment of an overdrive braking device arranged at the upper stop of a shaft conveyor system, but without a braking frame.
  • Corresponding elements have the same reference numbers as the first Embodiment provided.
  • the overdrive braking device (1) has a guide frame (3) which has four vertical support beams (3.1) and an upper displacement (3.2) and a lower displacement (3.3), each of which consists of four transverse beams arranged between the support beams (3.1) (3.4) exists.
  • the cuboid guide frame (3) is delimited by opposite end faces (3.5), parallel to the open end faces of the conveyor cage (2) and opposite longitudinal sides (3.6) parallel to the side walls (2.1) of the conveyor cage (2).
  • a pair of retaining strips (6.1, 6.2) is fastened to the lower and upper displacement (3.2, 3.3) by means of fastening strips (7).
  • the pairs of retaining strips (6.1, 6.2) extend parallel to the support beams (3.1) and in the longitudinal direction (4) of the guide frame (3).
  • plates (8) made of energy-absorbing material are arranged one above the other in the longitudinal direction (4).
  • the material is, in particular, fiber-reinforced plastic.
  • the plow (9) extends in the horizontal direction into the space between the retaining strips (6.1, 6.2) below the plates (8) made of energy-absorbing material.
  • Figure 4 shows a perspective view of a third exemplary embodiment of an overdrive braking device arranged at the upper stop of a shaft conveyor system, but without a braking frame. Corresponding elements are provided with identical reference symbols as in the first exemplary embodiment.
  • the overdrive braking device (1) has a guide frame (3) which has four vertical support beams (3.1) and an upper displacement (3.2) and a lower displacement (3.3), each of which consists of four transverse beams arranged between the support beams (3.1) (3.4) exists. Between the upper displacement (3.2) and the lower displacement (3.3) there is a further, middle displacement (3.7) which comprises two cross members (3.4) arranged in parallel on opposite sides of the guide frame (3).
  • the cuboid guide frame (3) is delimited by opposite end faces (3.5), parallel to the open end faces of the conveyor cage (2) and opposite longitudinal sides (3.6) parallel to the side walls (2.1) of the conveyor cage (2).
  • a pair of retaining strips (6.1, 6.2) is fastened centrally on the opposite side walls (2.1) of the conveyor cage (2).
  • the pairs of retaining strips (6.1, 6.2) extend parallel to the support beams (3.1) and in the longitudinal direction (4) of the conveying and overdriving path.
  • plates (8) made of energy-absorbing material are arranged one above the other in the longitudinal direction (4).
  • the material is, in particular, fiber-reinforced plastic.
  • a plow (9) extends from the cross members (3.4) of the central displacement (3.7) of the guide frame (3) in the direction of the two side walls (2.1) of the conveyor cage (2) and has a cutting edge opposite to the direction of the braking distance (10) (9.1).
  • the plow (9) extends in the horizontal direction into the space between the retaining strips (6.1, 6.2) above the plates (8) made of energy-absorbing material.
  • the excessive conveying means (2) moves upwards along the braking path (10) in the guide frame (3).
  • the stationary plow (9) destroys the energy-absorbing material of the plates (8) between the retaining strips (6.1, 6.2) and thereby brakes the conveyor (2) at the end of the braking distance (10) to a standstill. No. designation 1. Exaggerated braking device 2.

Landscapes

  • Braking Arrangements (AREA)
  • Escalators And Moving Walkways (AREA)
  • Types And Forms Of Lifts (AREA)
  • Chain Conveyers (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Description

Die Erfindung betrifft eine Schachtförderanlage mit einem Fördermittel und einer Übertreib-Abbremseinrichtung für das Fördermittel, einem sich in einer Längsrichtung erstreckenden Fahrweg für das Fördermittel sowie einen sich an ein unteres und/oder oberes Ende des Fahrwegs anschließenden Übertreibweg.The invention relates to a shaft conveyor system with a conveyor and an overdrive braking device for the conveyor, a longitudinally extending track for the conveyor and an overdrive adjoining a lower and / or upper end of the track.

Übertreiben beschreibt im Bergbau die Situation, dass das Fördermittel bei der Schachtförderung erst oberhalb der Hängebank bzw. des oberen Anschlags zum Stehen kommt.Exaggeration describes the situation in mining that the conveyor only comes to a standstill above the suspended bench or the upper stop when hoisting the shaft.

Bei Schachtförderanlagen ist es möglich, dass sich bei einem Defekt in der Steuerung das Fördermittel über den oberen Anschlag hinweg bewegt. In diesem Fall sorgt eine Sicherheitseinrichtung, die direkt auf die Steuerung der Fördermaschine einwirkt, dass die Fördermaschine angehalten wird. Die Fördermaschine wird dann durch den Endschalter abgeschaltet und über die Sicherheitsbremse abgebremst. Für den Fall, dass der Endschalter nicht einwandfrei arbeitet oder sogar total ausfällt, muss aus sicherheitstechnischen Gründen eine mechanische Vorrichtung die Geschwindigkeit des Fördermittels stark reduzieren. Fährt das Fördermittel ungebremst bis unter den Prellträger, kann dies schwerwiegende Folgen bis hin zum Seilbruch haben. Selbst bei geringer Geschwindigkeit eines Fördermittels kann es für die auf ihm Fahrenden mit schweren Folgen verbunden sein, wenn das Fördermittel ungebremst unter den Prellträger fährt.In the case of shaft conveyor systems, it is possible that the conveyor may move over the upper stop if there is a defect in the control system. In this case, a safety device, which acts directly on the control of the hoisting machine, ensures that the hoisting machine is stopped. The hoisting machine is then switched off by the limit switch and braked by the safety brake. In the event that the limit switch does not work properly or even fails completely, a mechanical device must greatly reduce the speed of the conveying means for safety reasons. If the conveyor goes underneath the bumper beam without braking, this can have serious consequences and even break the rope. Even at a low speed of a conveyor, it can have serious consequences for those driving on it if the conveyor drives unchecked under the bumper.

Durch die Übertreib-Abbremseinrichtung, auch als Übertreibsicherung bezeichnet, werden die Folgen des Übertreibens gemindert. Die Übertreib-Abbremseinrichtung befindet sich am Ende der Schachtführung und weist eine Einrichtung zum Abbremsen auf, die das Fördermittel verzögert. Die abbremsende Wirkung darf erst oberhalb des oberen Anschlags des Fördermittels und nach dem Passieren des Endschalters einsetzen. Die maximale Verzögerung des Fördermittels soll aus Sicherheitsgründen den Wert von 9,81 m/s2 nicht überschreiten.The overdrive braking device, also referred to as an overdrive protection, reduces the consequences of exaggeration. The overdrive braking device is located at the end of the shaft guide and has a device for braking that decelerates the conveying means. The braking effect may only start above the upper stop of the conveyor and after the limit switch has been passed. For safety reasons, the maximum delay of the conveyor should not exceed the value of 9.81 m / s 2 .

Bei Schachtförderanlagen mit Spurlattenführung werden verdickte oder gegeneinander geneigte Spurlatten als Einrichtungen zum Abbremsen verwendet. Die verbreiterten oder zusammengezogenen Spurlatten bestehen in der Regel aus Holz. Bei Anlagen mit Schienenführung können die Einrichtungen zum Abbremsen auch aus Stahl bestehen.In the case of shaft conveyor systems with guide rails, thickened or mutually inclined guide rails are used as braking devices. The widened or contracted track battens are usually made of wood. In systems with rail guidance, the braking devices can also be made of steel.

Die Spurlattenverdickung wird so ausgeführt, dass oberhalb und unterhalb der äußersten Betriebsstellung der Fördermittel die Spurlatten verbreitert werden. Diese Verbreiterung wird symmetrisch auf jeder Seite der Spurlatten ausgeführt. Wird ein Fördermittel bis in die Spurlattenverdickung gefahren, wird diese hierbei durch die an dem Fördermittel angeordneten Führungsschuhe beschädigt. Das Bremsen mit Spurlattenverdickung erfolgt unkontrolliert und führt häufig zur Zerstörung des Fördermittels.The guide rod thickening is carried out in such a way that the guide rods are widened above and below the outermost operating position of the conveying means. This widening is carried out symmetrically on each side of the guide rails. If a conveying means is driven into the thickening of the guide staff, this is damaged by the guide shoes arranged on the conveying means. Braking with thickened guide rails is uncontrolled and often leads to the destruction of the conveyor.

Darüber hinaus ist eine Übertreib-Abbremseinrichtung der SIEMAG TECBERG bekannt, bei der während des Abbremsens ein Bremsrahmen mit Rollenkästen an Flachbändern zwangsgeführt wird. Durch die plastische Verformung der Bremsbänder in den Rollenkästen wird das Abbremsen des auf dem Bremsrahmen auftreffenden Fördermittels bewirkt. Die Übertreib-Abbremseinrichtung kann an jedem Ende des Fahrwegs und in beiden Fördertrumen installiert werden. Die Abmessungen der Flachbänder werden passend zu der Schachtförderanlage, abhängig von den auftretenden Kräften ausgewählt.Der Aufbau der Übertreib-Abbremseinrichtung der SIEMAG TECBERG ergibt sich aus deren Prospekt "Technische Informationen Sicherheit-Bremseinrichtungen (SSA)", veröffentlicht unter www.siemag-tecberg.com, abgerufen am 01.06.2016 sowie der DE 10 2013 001 405 A1 , Absatz [0040].In addition, an overdrive braking device from SIEMAG TECBERG is known in which a braking frame with roller boxes is forcibly guided on flat belts during braking. The plastic deformation of the brake bands in the roller boxes slows down the conveying means that hit the brake frame. The overdrive decelerator can be installed at either end of the driveway and in both conveyor strands. The dimensions of the Flat belts are selected to match the shaft conveyor system, depending on the forces that occur. The structure of the overdrive braking device from SIEMAG TECBERG can be found in its brochure "Technical Information Safety Braking Devices (SSA)", published at www.siemag-tecberg.com on 06/01/2016 and the DE 10 2013 001 405 A1 , Paragraph [0040].

Die Konstruktion der bekannten Übertreib-Abbremseinrichtung ist recht aufwändig und daher kostspielig.The construction of the known overdrive braking device is quite complex and therefore expensive.

Aus der DE 549 001 A ist eine Schachtförderanlage mit einem Fördermittel und einer Übertreib-Abbremseinrichtung für das Fördermittel mit einem sich in einer Längsrichtung erstreckenden Fahrweg für das Fördermittel sowie einen sich an ein unteres und/oder oberes Ende des Fahrwegs anschließenden Übertreibweg, dort als Über- bzw. Untertreibzone bezeichnet, bekannt. Im Bereich des Übertreibwegs sind Bremsbäume vorgesehen, die an dem Schacht- oder Gerüstträger oder an einer Hilfskonstruktion angebracht sind. An dem Fördermittel sind Bremsmittel, beispielsweise Spanwerkzeuge, angeordnet, die beim Übertreiben des Fördermittels mit den aus beliebigem Baustoff bestehenden Bremsbäumen in Eingriff kommen.From the DE 549 001 A is a shaft hoisting system with a conveyor and an overdrive braking device for the conveyor with a longitudinally extending track for the conveyor as well as an overdrive path connected to a lower and / or upper end of the driveway, referred to there as an overdrive or underdrive zone, known. In the area of the overdrive path, brake booms are provided that are attached to the shaft or scaffolding support or to an auxiliary structure. Braking means, for example cutting tools, are arranged on the conveying means and, when the conveying means is overdriven, come into engagement with the braking beams made of any building material.

Die GB 1 561 509 A offenbart eine Schachtförderanlage umfassend einen Schacht sowie einen in dem Schacht in vertikaler Richtung verfahrbaren Korb. An der Unterseite des Korbes ist eine Schneide befestigt. Beim Absturz des Korbes wird dieser durch Eintauchen der Schneide in eine Säule aus energieabsorbierendem Material abgebremst, wobei die Säule in einer Führung angeordnet ist. Bei dem energieabsorbierenden Material handelt es sich um verstärktes Kunststoffmaterial.The GB 1 561 509 A discloses a shaft conveyor system comprising a shaft and a basket which can be moved in the vertical direction in the shaft. A cutting edge is attached to the underside of the basket. When the basket crashes, it is slowed down by dipping the cutting edge into a column of energy-absorbing material, the column in a guide is arranged. The energy-absorbing material is a reinforced plastic material.

Ausgehend von dem bekannten Stand der Technik soll daher eine konstruktiv wenig aufwändige Übertreib-Abbremseinrichtung geschaffen werden, bei der hohe Folgekosten bei einem versehentlichen Einfahren des Fördermittels in die Übertreib-Abbremseinrichtungen vermieden werden.On the basis of the known prior art, an exaggerated braking device which is structurally less complex is to be created, in which high consequential costs in the event of the conveying means accidentally entering the exaggerated braking devices are avoided.

Die Aufgabe wird durch eine Übertreib-Abbremseinrichtung mit den Merkmalen des Anspruchs 1 gelöst.The object is achieved by an overdrive braking device with the features of claim 1.

Vorteilhafte Weiterbildungen der Übertreib-Abbremseinrichtung ergeben sich aus den Unteransprüchen.Advantageous developments of the overdrive braking device emerge from the subclaims.

Um die Energie während des Abbremsens des Fördermittels in dem Absorptionsmaterial aufnehmen zu können, ist ein Bremsweg von weniger als 10 m vorhanden. An dem Übertreibweg oder an dem Fördermittel sind paarweise und im Abstand als Halteleisten ausgeführte Halteelemente befestigt. Zwischen den Halteleisten ist energieabsorbierendes Material in Form von Platten angeordnet. Ein in den Zwischenraum zwischen den Halteleisten hineinragender Pflug ist relativ zu den Halteleisten in Längsrichtung beweglich angeordnet. Die Halteleisten verhindern, dass das energieabsorbierende Material beim Auftreffen des Pflugs ausknickt. Die Krafteinleitung des Pflugs erfolgt gezielt auf das von den Halteleisten fixierte, energieabsorbierende Material, das während der linearen Relativbewegung zwischen dem Pflug und den Halteleisten entlang des Bremsweges deformiert und/oder zerstört wird. Soweit der Bremsvorgang auf einer Deformation des energieabsorbierenden Materials beruht, handelt es sich um eine plastische Deformation, um der Bremskraft entgegenwirkende elastische Kräfte zu vermeiden. Die Materialeigenschaften des energieabsorbierenden Materials werden auf die Fahrgeschwindigkeit und das Gewicht des Fördermittels einschließlich des Seilgewichtes abgestimmt.In order to be able to absorb the energy in the absorption material during the braking of the conveying means, a braking distance of less than 10 m is available. Holding elements designed as holding strips are fastened in pairs and spaced apart on the overdriving path or on the conveying means. Energy-absorbing material in the form of plates is arranged between the retaining strips. A plow protruding into the space between the holding strips is arranged to be movable in the longitudinal direction relative to the holding strips. The retaining strips prevent the energy-absorbing material from buckling when it hits the plow. The introduction of force by the plow takes place in a targeted manner on the energy-absorbing material which is fixed by the retaining strips and which is deformed and / or destroyed during the linear relative movement between the plow and the retaining strips along the braking distance. If the braking process is based on a deformation of the energy-absorbing material, it is about a plastic deformation, to avoid elastic forces counteracting the braking force. The material properties of the energy-absorbing material are matched to the driving speed and the weight of the conveying means including the weight of the rope.

Das energieabsorbierende Material ist, wie bereits erwähnt, in Form von Platten übereinander zwischen den als Halteleisten ausgeführten Halteelementen angeordnet. Die Platten können einzeln oder in Form mehrerer Plattenstapel übereinander angeordnet sein. Die Halteleisten umgreifen vorzugsweise die Ränder der in Längsrichtung, d.h. in Richtung des Bremsweges übereinander zwischen den Halteleisten angeordneten Platten oder Plattenstapel. Kommt es zu einem versehentlichen Einfahren des Fördermittels in die Übertreib-Abbremseinrichtung lediglich über eine Teillänge des Bremsweges, müssen nur die dabei von dem Pflug zerstörten Platten ausgetauscht werden.As already mentioned, the energy-absorbing material is arranged in the form of plates one above the other between the holding elements designed as holding strips. The plates can be arranged individually or in the form of several stacks of plates one above the other. The retaining strips preferably encompass the edges of the longitudinal, i. Plates or stacks of plates arranged one above the other between the retaining strips in the direction of the braking distance. If the conveying means accidentally enters the overdrive braking device only over a part of the braking distance, only the plates destroyed by the plow need to be replaced.

Entweder sind der Pflug beweglich und die Halteleisten ortsfest am Übertreibweg oder der Pflug ortsfest am Übertreibweg und die Halteleisten beweglich angeordnet.Either the plow is movable and the retaining strips are arranged in a stationary manner on the overdriving path or the plow is arranged in a stationary manner on the overdriving path and the holding strips are movably arranged.

Zur beweglichen Anordnung kann der Pflug unmittelbar an dem Fördermittel angeordnet sein. Alternativ kann der Pflug an einem beweglichen Bremsrahmen angeordnet sein, der in Längsrichtung des Übertreibwegs zwangsgeführt ist. Die Führung des Bremsrahmens erfolgt insbesondere in einem Führungsgerüst der Schachtförderanlage. Der Bremsrahmen hat Anschlagflächen, auf die das übertreibende Fördermittel auftrifft und dadurch die Bewegungsenergie auf den Bremsrahmen und den daran angeordneten Pflug überträgt. Der Pflug ist in diesem Fall indirekt mit dem Fördermittel gekoppelt.For a movable arrangement, the plow can be arranged directly on the conveying means. Alternatively, the plow can be arranged on a movable brake frame which is positively guided in the longitudinal direction of the overdrive path. The brake frame is guided in particular in a guide frame of the shaft conveyor system. The brake frame has stop surfaces on which the excessive conveying means strikes and thereby transfers the kinetic energy to the brake frame and the plow arranged thereon. Of the In this case, the plow is indirectly linked to the conveyor.

Bei beweglich angeordnetem Pflug sind die Halteleisten ortsfest, vorzugsweise an dem Führungsgerüst verlagert. Es ist jedoch auch möglich, die Halteleisten als Schachteinbauten unmittelbar entlang des Übertreibwegs ortsfest zu verlagern.When the plow is movably arranged, the retaining strips are stationary, preferably displaced on the guide frame. However, it is also possible to move the retaining strips as manhole installations in a stationary manner directly along the overdrive path.

Zur ortsfesten Anordnung kann der Pflug unmittelbar an dem Führungsgerüst verlagert sein. Es ist jedoch auch möglich, den Pflug als Schachteinbau unmittelbar entlang des Übertreibwegs zu verlagern. Bei ortsfest angeordnetem Pflug sind die Halteleisten an dem beweglichen Fördermittel verlagert.For a stationary arrangement, the plow can be shifted directly on the guide frame. However, it is also possible to move the plow as a shaft installation directly along the overdrive path. When the plow is arranged in a stationary manner, the retaining strips are relocated to the movable conveyor.

In Versuchen hat sich herausgestellt, dass als energieabsorbierendes Material vorzugsweise Faserverbundwerkstoffe zum Einsatz gelangen, die eine bettende Matrix aus Kunststoff sowie verstärkende Fasern umfassen. Die Fasern verleihen dem Werkstoff seine hohe mechanische Stabilität, während die Matrix die durch den Pflug wirkenden Kräfte aufnimmt und im Gefüge verteilt. Die Fasern können aus anorganischem und/oder organischem und/oder metallischem Material bestehen.Tests have shown that fiber composite materials are preferably used as energy-absorbing material, which comprise a bedding matrix made of plastic and reinforcing fibers. The fibers give the material its high mechanical stability, while the matrix absorbs the forces exerted by the plow and distributes them in the structure. The fibers can consist of inorganic and / or organic and / or metallic material.

Ein besonders geeigneter faserverstärkte Kunststoff ist das sogenannte Organoblech, ein kontinuierlich faserverstärkter Thermoplast. Organobleche bestehen aus einem Fasergewebe oder einem Fasergelege, die in eine thermoplastische Kunststoffmatrix eingebettet sind; meist aus Polyamiden (PA) oder Polypropylen (PP) mit Glasfasergeweben (GFK Organo). Organobleche können auch mit Carbon- und Aramid-Verstärkungen (CFK Organo) versehen sein. Organobleche können ähnlich wie Bleche verarbeitet werden, nämlich durch Tiefziehen, Knicken oder auch Abkanten. Die Hauptvorteile der Organobleche sind:

  • Hohe mechanische Festigkeit bei geringem Gewicht
  • Großserientauglich
  • Kurze Prozesszyklen beim Umformen
  • Gute Schweißbarkeit
  • Gute chemische Resistenz
  • Recyclebar
  • Keine Korrision bei Glasfaserverstärkungen
A particularly suitable fiber-reinforced plastic is so-called organic sheet, a continuously fiber-reinforced thermoplastic. Organic sheets consist of a fiber fabric or a fiber structure that are embedded in a thermoplastic plastic matrix; mostly made of polyamides (PA) or polypropylene (PP) with glass fiber fabrics (GFK Organo). Organic sheets can also be provided with carbon and aramid reinforcements (CFRP Organo). Organic sheets can be processed in a similar way to sheet metal, namely by deep drawing, kinking or folding. The main advantages of organic sheets are:
  • High mechanical strength with low weight
  • Suitable for large series
  • Short process cycles for forming
  • Good weldability
  • Good chemical resistance
  • Recyclable
  • No corrosion with glass fiber reinforcements

Das Führungsgerüst der Übertreib-Abbremseinrichtung muss derart beschaffen sein, dass sich das Fördermittel beim Übertreiben geführt entlang des vorgesehenen Bremsweges frei bewegen kann. Zu diesem Zweck weist das Führungsgerüst mehrere, beispielsweise vier vertikale Stützträger sowie eine obere und eine untere Verlagerung auf, die jeweils aus mehreren, beispielsweise vier zwischen den Stützträgern angeordneten Querträgern besteht. Gegenüberliegende Stirnseiten und gegenüberliegende Längsseiten begrenzen ein quaderförmiges Führungsgerüst mit vier vertikalen Stützträgern. Die Breite der Längsseiten des Führungsgerüstes ist größer als die Breite der Längsseiten des Fördermittels. Die Breite der Stirnseiten des Führungsgerüstes ist größer als die Breite der Stirnseiten des Fördermittels.The guide frame of the overdrive braking device must be designed in such a way that the conveying means can move freely along the intended braking distance when overdriven. For this purpose, the guide frame has several, for example four vertical support beams as well as an upper and a lower displacement, each of which consists of several, for example four, transverse beams arranged between the support beams. Opposite front sides and opposite long sides delimit a cuboid guide frame with four vertical support beams. The width of the longitudinal sides of the guide frame is greater than the width of the longitudinal sides of the conveyor. The width of the end faces of the guide frame is greater than the width of the end faces of the conveyor.

Das Fördermittel ist bei einer üblichen Schachtförderanlage in der Regel als Förderkorb ausgestaltet und besteht aus einem stabilen Stahlprofilrahmen mit zumeist mehreren Etagen. Die Stirnseiten des Förderkorbs sind offen, während die Seitenwände mit Blechen, insbesondere Lochblechen verkleidet sind. Zur Personenbeförderung werden die stirnseitigen Zugänge mit einer Tür verschlossen. Bei einem als Förderkorb ausgestalteten Fördermittel sind die Halteleisten mit dem dazwischen angeordneten energieabsorbierenden Material vorzugsweise parallel zu den Seitenwänden des Förderkorbs an dem Führungsgerüst oder unmittelbar an dem Fördermittel angeordnet, um den Zugang zu den Stirnseiten des Förderkorbs nicht zu behindern.In a conventional shaft conveyor system, the conveying means is usually designed as a conveyor cage and consists of a stable steel profile frame with mostly several levels. The front sides of the conveyor cage are open, while the side walls are covered with metal sheets, in particular perforated sheets. The front entrances are closed with a door for passenger transport. In the case of a conveyor designed as a conveyor cage, the retaining strips with the energy-absorbing material arranged in between are preferably arranged parallel to the side walls of the conveyor cage on the guide frame or directly on the conveyor so as not to hinder access to the end faces of the conveyor cage.

Um die Bremskräfte beim Übertreiben gleichmäßig in den Bremsrahmen einzuleiten, insbesondere Drehmomente auf den Bremsrahmen zu vermeiden, sind an gegenüberliegenden Seiten des Führungsgerüstes jeweils mindestens ein Paar der Halteleisten an der unteren und oberen Verlagerung befestigt und erstrecken sich parallel zu den Stützträgern zwischen den Verlagerungen. Vorzugsweise sind die Paare der Halteleisten mittig an den Verlagerungen befestigt.In order to introduce the braking forces evenly into the brake frame when exaggerated, in particular to avoid torques on the brake frame, at least one pair of retaining strips are attached to the lower and upper displacements on opposite sides of the guide frame and extend parallel to the support beams between the displacements. The pairs of retaining strips are preferably attached centrally to the displacements.

Zur Zwangsführung des Bremsrahmens in dem Führungsgerüst ist an gegenüberliegenden Seiten des Führungsgerüstes jeweils mindestens ein Führungsprofil an der unteren und oberen Verlagerung befestigt und erstreckt sich parallel zu den Stützträgern, wobei an dem Bremsrahmen angeordnete Führungsschuhe die Führungsprofile umgreifen.For forced guidance of the brake frame in the guide frame, at least one guide profile is attached to the lower and upper offset on opposite sides of the guide frame and extends parallel to the support beams, with guide shoes arranged on the brake frame encompassing the guide profiles.

Sofern die Übertreib-Abbremseinrichtung sich am oberen Anschlag des Förderweges befindet, tragen an der unteren Verlagerung angeordnete Aufleger die Last des in Richtung des Bremsweges verfahrbaren Bremsrahmens. Ist die Übertreib-Abbremseinrichtung indes im Schachtsumpf angeordnet, kann die Last des Bremsrahmens über den Pflug von den Platten aus energieabsorbierendem Material aufgenommen werden.If the overdrive braking device is located at the upper stop of the conveying path, supports arranged on the lower displacement bear the load of the brake frame that can be moved in the direction of the braking path. However, if the overdrive braking device is arranged in the shaft sump, the Load of the brake frame on the plow can be absorbed by the plates made of energy-absorbing material.

Sofern die Halteleisten-Paare parallel zu den Seitenwänden des Fördermittels angeordnet sind, sind die Führungsprofile des Bremsrahmens vorzugsweise parallel zu den Stirnseiten des Fördermittels angeordnet.If the pairs of retaining strips are arranged parallel to the side walls of the conveying means, the guide profiles of the brake frame are preferably arranged parallel to the end faces of the conveying means.

Nachfolgend wird die erfindungsgemäße Übertreib-Abbremseinrichtung anhand der Figuren näher erläutert. Es zeigen

Figur 1
eine perspektivische Ansicht eines ersten Ausführungsbeispiels einer am oberen Anschlag einer Schachtförderanlage angeordneten Übertreib-Abbremseinrichtung mit Bremsrahmen,
Figur 2a
eine Vorderansicht auf die Übertreib-Abbremseinrichtung nach Figur 1 vor dem Übertreiben,
Figur 2b
eine Seitenansicht auf die Übertreib-Abbremseinrichtung nach Figur 1 vor dem Übertreiben,
Figur 2c
eine Seitenansicht auf die Übertreib-Abbremseinrichtung nach Figur 1 nach dem Übertreiben,
Figur 3
eine perspektivische Ansicht eines zweiten Ausführungsbeispiels einer am oberen Anschlag einer Schachtförderanlage angeordneten Übertreib-Abbremseinrichtung ohne Bremsrahmen sowie
Figur 4
eine perspektivische Ansicht eines dritten Ausführungsbeispiels einer am oberen Anschlag einer Schachtförderanlage angeordneten Übertreib-Abbremseinrichtung ohne Bremsrahmen.
The exaggerated braking device according to the invention is explained in more detail below with reference to the figures. Show it
Figure 1
a perspective view of a first exemplary embodiment of an overdrive braking device with a braking frame arranged at the upper stop of a hoistway conveyor system,
Figure 2a
a front view of the overdrive braking device according to Figure 1 before exaggerating,
Figure 2b
a side view of the overdrive braking device according to Figure 1 before exaggerating,
Figure 2c
a side view of the overdrive braking device according to Figure 1 after overdoing it,
Figure 3
a perspective view of a second embodiment of an overdrive braking device arranged at the upper stop of a hoistway system without a brake frame and FIG
Figure 4
a perspective view of a third embodiment of an overdrive braking device arranged at the upper stop of a shaft conveyor system without a brake frame.

Figur 1 zeigt ein erstes Ausführungsbeispiel einer Übertreib-Abbremseinrichtung (1) für ein als Förderkorb ausgestaltetes Fördermittel (2), die am Ende des Förderwegs oberhalb des oberen Anschlags angeordnet ist. Figure 1 shows a first embodiment of an overdrive braking device (1) for a conveyor (2) designed as a conveyor basket, which is arranged at the end of the conveyor path above the upper stop.

Die Übertreib-Abbremseinrichtung (1) weist einen in einem Führungsgerüst (3) in einer Längsrichtung (4) zwangsgeführten Bremsrahmen (5) auf, der für ein Auftreffen des Fördermittels (2) beim Übertreiben des Fördermittels (2) eingerichtet ist.The overdrive braking device (1) has a brake frame (5) which is positively guided in a longitudinal direction (4) in a guide frame (3) and which is set up for the conveying means (2) to hit when the conveying means (2) is overdriven.

Das Führungsgerüst (3) umfasst vier vertikale Stützträger (3.1) sowie eine obere Verlagerung (3.2) und eine untere Verlagerung (3.3), die jeweils aus vier zwischen den Stützträgern (3.1) angeordneten Querträgern (3.4) besteht. Das quaderförmige Führungsgerüst (3) wird durch gegenüberliegende Stirnseiten (3.5), parallel zu den offenen Stirnseiten des Förderkorbs (2) sowie gegenüberliegende Längsseiten (3.6) parallel zu den Seitenwänden des Förderkorbs (2) begrenzt.The guide frame (3) comprises four vertical support beams (3.1) and an upper displacement (3.2) and a lower displacement (3.3), each of which consists of four cross members (3.4) arranged between the support beams (3.1). The cuboid guide frame (3) is delimited by opposite end faces (3.5) parallel to the open end faces of the conveyor cage (2) and opposite longitudinal sides (3.6) parallel to the side walls of the conveyor cage (2).

An den gegenüberliegenden Längsseiten (3.6) des Führungsgerüstes (3) ist jeweils ein Paar Halteleisten (6.1, 6.2) an der unteren und oberen Verlagerung (3.2, 3.3) mittels Befestigungsleisten (7) befestigt. Die Paare der Halteleisten (6.1, 6.2) erstrecken sich parallel zu den Stützträgern (3.1) sowie in Längsrichtung (4) des Führungsgerüstes (3). Zwischen den Paaren der Halteleisten (6.1, 6.2) sind übereinander in Längsrichtung (4) Platten (8) aus energieabsorbierendem Material angeordnet. Bei dem Material handelt es sich insbesondere um faserverstärkten Kunststoff.On the opposite long sides (3.6) of the guide frame (3), a pair of retaining strips (6.1, 6.2) is attached to the lower and upper displacements (3.2, 3.3) by means of fastening strips (7). The pairs of retaining strips (6.1, 6.2) extend parallel to the support beams (3.1) and in the longitudinal direction (4) of the guide frame (3). Between the pairs of retaining strips (6.1, 6.2), plates (8) made of energy-absorbing material are arranged one above the other in the longitudinal direction (4). The material is, in particular, fiber-reinforced plastic.

Der rechteckige Bremsrahmen (5) ist durch Streben (5.1) ausgesteift, die zugleich die Anprallfläche für das beim Übertreiben auftreffende Fördermittel (2) bilden. Vom äußeren Umfang des Bremsrahmens (5) erstrecken sich in Richtung der Längsseiten (3.6) des Führungsgerüstes (3) auf beiden Seiten jeweils ein Pflug (9), der in Richtung des Bremsweges (10) (vgl. Figur 2 c) ein Schneide (9.1) (vgl. Figur 2 b) aufweist. Der Pflug (9) erstreckt sich in horizontaler Richtung in den Zwischenraum zwischen den Halteleisten (6.1, 6.2) unterhalb der Platten (8) aus energieabsorbierendem Material.The rectangular brake frame (5) is stiffened by struts (5.1), which at the same time form the impact surface for the conveying means (2) that hit when overdriving. From the outer circumference of the brake frame (5) in the direction of the longitudinal sides (3.6) of the guide frame (3) on both sides a plow (9) extends in the direction of the braking distance (10) (cf. Figure 2 c) a cutting edge (9.1) (cf. Figure 2 b) having. The plow (9) extends in the horizontal direction into the space between the retaining strips (6.1, 6.2) below the plates (8) made of energy-absorbing material.

An dem äußeren Rand des Bremsrahmens (5) sind darüber hinaus insgesamt vier Führungsschuhe (11) angeordnet, die sich in Richtung der gegenüberliegenden Stirnseiten (3.5) des Führungsgerüstes (3) erstrecken. An den gegenüberliegenden Stirnseiten (3.5) des Führungsgerüstes (3) sind symmetrisch zur Mitte der Stirnseite(3.5) jeweils zwei Führungsprofile (12) an der unteren und oberen Verlagerung (3.2, 3.3) befestigt und erstrecken sich parallel zu den Stützträgern (3.1). Die an dem Bremsrahmen (5) befestigten Führungsschuhe (11) umgreifen die Führungsprofile (12). Hierdurch wird der Bremsrahmen (5) verkippsicher in Längsrichtung (4) des Führungsgerüstes (1) entlang der Führungsprofile (12) zwangsgeführt.In addition, a total of four guide shoes (11) are arranged on the outer edge of the brake frame (5) and extend in the direction of the opposite end faces (3.5) of the guide frame (3). On the opposite end faces (3.5) of the guide frame (3) symmetrically to the center of the end face (3.5), two guide profiles (12) are attached to the lower and upper displacements (3.2, 3.3) and extend parallel to the support beams (3.1). The guide shoes (11) attached to the brake frame (5) embrace the guide profiles (12). As a result, the brake frame (5) is forcibly guided in the longitudinal direction (4) of the guide frame (1) along the guide profiles (12) so that it cannot tilt.

In Figur 1 befindet sich der Bremsrahmen (5) in der Ausgangsstellung der Übertreib-Abbremseinrichtung. In der Ausgangsstellung liegt der Bremsrahmen auf Auflagern (13.1, 13.2) auf, die sich zwischen den längsseitigen Querträgern (3.4) der unteren Verlagerung (3.3) erstrecken. Der Abstand zwischen den Auflagern (13.1, 13.2) ist so bemessen, dass der rechteckige Bremsrahmen (5) mit den parallel zu den Stirnseiten (3.5) verlaufenden Rahmenteilen auf den Auflagern (13.1, 13.2) aufliegt, das übertreibende Fördermittel (2) jedoch problemlos den durch die Auflager (13.1, 13.2) verengten Querschnitt in dem Führungsgerüst (3) passieren kann.In Figure 1 the brake frame (5) is in the starting position of the overdrive braking device. In the starting position, the brake frame rests on supports (13.1, 13.2) which extend between the longitudinal cross members (3.4) of the lower displacement (3.3). The distance between the supports (13.1, 13.2) is dimensioned so that the Rectangular brake frame (5) with the frame parts running parallel to the end faces (3.5) rests on the supports (13.1, 13.2), but the excessive conveying means (2) easily clears the cross-section in the guide frame (3 ) can happen.

Nachfolgend wird die Arbeitsweise der erfindungsgemäßen Übertreib-Abbremseinrichtung (1) anhand der Figuren 2a - 2c näher erläutert. Aus Figuren 2a, 2b ist erkennbar, dass der Bremsrahmen (5) in der Ausgangsposition auf den Auflagern (13.1, 13.2) aufliegt. Die Führungsschuhe (11) umgreifen die Führungsprofile (12).The mode of operation of the exaggerated braking device (1) according to the invention is described below with reference to FIG Figures 2a-2c explained in more detail. Out Figures 2a , 2 B it can be seen that the brake frame (5) rests on the supports (13.1, 13.2) in the starting position. The guide shoes (11) grip around the guide profiles (12).

Aus Figur 2b ist erkennbar, wie die Schneide (9.1) des an dem Bremsrahmen (5) befestigten Pflugs (9) an der Unterseite des zwischen den Halteleisten (6.1, 6.2) fixierten Stapels aus Platten (8) aus energieabsorbierendem Material anliegt.Out Figure 2b it can be seen how the cutting edge (9.1) of the plow (9) attached to the brake frame (5) rests against the underside of the stack of plates (8) made of energy-absorbing material that is fixed between the retaining strips (6.1, 6.2).

Das Fördermittel (2) trifft auf den Bremsrahmen (5) auf, der sich in Folge der kinetischen Energie des übertreibenden Fördermittels (2) entlang des Bremsweges (10) in dem Führungsgerüst (3) nach oben bewegt (vgl. Figur 2 c). Der Pflug (9) zerstört dabei das energieabsorbierende Material der Platten (8), und bremst dadurch das Fördermittel (2) am Ende des Bremsweges (10) bis zum Stillstand ab.The conveyor (2) hits the brake frame (5) which, as a result of the kinetic energy of the excessive conveyor (2), moves upwards along the braking path (10) in the guide frame (3) (cf. Figure 2 c) . The plow (9) destroys the energy-absorbing material of the plates (8) and thereby brakes the conveying means (2) at the end of the braking distance (10) to a standstill.

Figur 3 zeigt eine perspektivische Ansicht eines zweiten Ausführungsbeispiels einer am oberen Anschlag einer Schachtförderanlage angeordneten Übertreib-Abbremseinrichtung, jedoch ohne Bremsrahmen. Übereinstimmende Elemente sind mit identischen Bezugszeichen wie das erste Ausführungsbeispiel versehen. Figure 3 shows a perspective view of a second exemplary embodiment of an overdrive braking device arranged at the upper stop of a shaft conveyor system, but without a braking frame. Corresponding elements have the same reference numbers as the first Embodiment provided.

Die Übertreib-Abbremseinrichtung (1) weist ein Führungsgerüst (3) auf, das vier vertikale Stützträger (3.1) sowie eine obere Verlagerung (3.2) und eine untere Verlagerung (3.3) aufweist, die jeweils aus vier zwischen den Stützträgern (3.1) angeordneten Querträgern (3.4) besteht. Das quaderförmige Führungsgerüst (3) wird durch gegenüberliegende Stirnseiten (3.5), parallel zu den offenen Stirnseiten des Förderkorbs (2) sowie gegenüberliegende Längsseiten (3.6) parallel zu den Seitenwänden (2.1) des Förderkorbs (2) begrenzt.The overdrive braking device (1) has a guide frame (3) which has four vertical support beams (3.1) and an upper displacement (3.2) and a lower displacement (3.3), each of which consists of four transverse beams arranged between the support beams (3.1) (3.4) exists. The cuboid guide frame (3) is delimited by opposite end faces (3.5), parallel to the open end faces of the conveyor cage (2) and opposite longitudinal sides (3.6) parallel to the side walls (2.1) of the conveyor cage (2).

An den gegenüberliegenden Längsseiten (3.6) des Führungsgerüstes (3) ist jeweils ein Paar Halteleisten (6.1, 6.2) an der unteren und oberen Verlagerung (3.2, 3.3) mittels Befestigungsleisten (7) befestigt. Die Paare der Halteleisten (6.1, 6.2) erstrecken sich parallel zu den Stützträgern (3.1) sowie in Längsrichtung (4) des Führungsgerüstes (3). Zwischen den Paaren der Halteleisten (6.1, 6.2) sind übereinander in Längsrichtung (4) Platten (8) aus energieabsorbierendem Material angeordnet. Bei dem Material handelt es sich insbesondere um faserverstärkten Kunststoff.On the opposite long sides (3.6) of the guide frame (3), a pair of retaining strips (6.1, 6.2) is fastened to the lower and upper displacement (3.2, 3.3) by means of fastening strips (7). The pairs of retaining strips (6.1, 6.2) extend parallel to the support beams (3.1) and in the longitudinal direction (4) of the guide frame (3). Between the pairs of retaining strips (6.1, 6.2), plates (8) made of energy-absorbing material are arranged one above the other in the longitudinal direction (4). The material is, in particular, fiber-reinforced plastic.

Vom den Seitenwänden (2.1) des Fördermittels (2) erstrecken sich in Richtung der Längsseiten (3.6) des Führungsgerüstes (3) auf beiden Seiten jeweils ein Pflug (9), der in Richtung des Bremsweges (10) eine Schneide (9.1) aufweist. Der Pflug (9) erstreckt sich in horizontaler Richtung in den Zwischenraum zwischen den Halteleisten (6.1, 6.2) unterhalb der Platten (8) aus energieabsorbierendem Material.A plow (9), which has a cutting edge (9.1) in the direction of the braking distance (10), extends from the side walls (2.1) of the conveyor (2) in the direction of the longitudinal sides (3.6) of the guide frame (3) on both sides. The plow (9) extends in the horizontal direction into the space between the retaining strips (6.1, 6.2) below the plates (8) made of energy-absorbing material.

Aus Figur 3, Details H ist erkennbar, wie die Schneide (9.1) des Pflugs (9) an der Unterseite des zwischen den Halteleisten (6.1, 6.2) fixierten Stapels aus Platten (8) aus energieabsorbierendem Material anliegt. Das übertreibende Fördermittel (2) bewegt sich entlang des Bremsweges (10) in dem Führungsgerüst (3) nach oben. Der Pflug (9) zerstört dabei das energieabsorbierende Material der Platten (8), und bremst dadurch das Fördermittel (2) bis zum Stillstand ab.Out Figure 3 Details H can be seen how the cutting edge (9.1) of the plow (9) rests against the underside of the stack of plates (8) made of energy-absorbing material, which is fixed between the retaining strips (6.1, 6.2). The excessive conveying means (2) moves upwards along the braking path (10) in the guide frame (3). The plow (9) destroys the energy-absorbing material of the plates (8) and thereby brakes the conveyor (2) to a standstill.

Figur 4 zeigt eine perspektivische Ansicht eines dritten Ausführungsbeispiels einer am oberen Anschlag einer Schachtförderanlage angeordneten Übertreib-Abbremseinrichtung, jedoch ohne Bremsrahmen. Übereinstimmende Elemente sind mit identischen Bezugszeichen wie das erste Ausführungsbeispiel versehen. Figure 4 shows a perspective view of a third exemplary embodiment of an overdrive braking device arranged at the upper stop of a shaft conveyor system, but without a braking frame. Corresponding elements are provided with identical reference symbols as in the first exemplary embodiment.

Die Übertreib-Abbremseinrichtung (1) weist ein Führungsgerüst (3) auf, das vier vertikale Stützträger (3.1) sowie eine obere Verlagerung (3.2) und eine untere Verlagerung (3.3) aufweist, die jeweils aus vier zwischen den Stützträgern (3.1) angeordneten Querträgern (3.4) besteht. Zwischen der oberen Verlagerung (3.2) und er unteren Verlagerung (3.3) befindet sich eine weitere, mittlere Verlagerung (3.7), die zwei parallel an gegenüberliegenden Seiten des Führungsgerüstes (3) angeordnete Querträger (3.4) umfasst. Das quaderförmige Führungsgerüst (3) wird durch gegenüberliegende Stirnseiten (3.5), parallel zu den offenen Stirnseiten des Förderkorbs (2) sowie gegenüberliegende Längsseiten (3.6) parallel zu den Seitenwänden (2.1) des Förderkorbs (2) begrenzt.The overdrive braking device (1) has a guide frame (3) which has four vertical support beams (3.1) and an upper displacement (3.2) and a lower displacement (3.3), each of which consists of four transverse beams arranged between the support beams (3.1) (3.4) exists. Between the upper displacement (3.2) and the lower displacement (3.3) there is a further, middle displacement (3.7) which comprises two cross members (3.4) arranged in parallel on opposite sides of the guide frame (3). The cuboid guide frame (3) is delimited by opposite end faces (3.5), parallel to the open end faces of the conveyor cage (2) and opposite longitudinal sides (3.6) parallel to the side walls (2.1) of the conveyor cage (2).

An den gegenüberliegenden Seitenwänden (2.1) des Förderkorbs (2) ist jeweils ein Paar Halteleisten (6.1, 6.2) mittig befestigt. Die Paare der Halteleisten (6.1, 6.2) erstrecken sich parallel zu den Stützträgern (3.1) sowie in Längsrichtung (4) des Förder- und Übertreibwegs. Zwischen den Paaren der Halteleisten (6.1, 6.2) sind übereinander in Längsrichtung (4) Platten (8) aus energieabsorbierendem Material angeordnet. Bei dem Material handelt es sich insbesondere um faserverstärkten Kunststoff.A pair of retaining strips (6.1, 6.2) is fastened centrally on the opposite side walls (2.1) of the conveyor cage (2). The pairs of retaining strips (6.1, 6.2) extend parallel to the support beams (3.1) and in the longitudinal direction (4) of the conveying and overdriving path. Between the pairs of retaining strips (6.1, 6.2), plates (8) made of energy-absorbing material are arranged one above the other in the longitudinal direction (4). The material is, in particular, fiber-reinforced plastic.

Von den Querträgern (3.4) der mittleren Verlagerung (3.7) des Führungsgerüstes (3) erstreckt sich in Richtung der beiden Seitenwände (2.1) des Förderkorbs (2) jeweils ein Pflug (9), der entgegengesetzt zur Richtung des Bremsweges (10) eine Schneide (9.1) aufweist. Der Pflug (9) erstreckt sich in horizontaler Richtung in den Zwischenraum zwischen den Halteleisten (6.1, 6.2) oberhalb der Platten (8) aus energieabsorbierendem Material. Das übertreibende Fördermittel (2) bewegt sich entlang des Bremsweges (10) in dem Führungsgerüst (3) nach oben. Der ortsfeste Pflug (9) zerstört dabei das energieabsorbierende Material der Platten (8) zwischen den Halteleisten (6.1, 6.2) und bremst dadurch das Fördermittel (2) am Ende des Bremsweges (10) bis zum Stillstand ab. Nr. Bezeichnung 1. Übertreib-Abbremseinrichtung 2. Fördermittel 2.1 Seitenwände 3. Führungsgerüst 3.1 Stützträger 3.2 Obere Verlagerung 3.3 Untere Verlagerung 3.4 Querträger 3.5 Stirnseiten 3.6 Längsseiten 3.7 Mittlere Verlagerung 4 . Längsrichtung 5. Bremsrahmen 5.1 Streben 6.1 Halteleiste 6.2 Halteleiste 7. Befestigungsleisten 8. Platten aus energieabsorbierendem Material 9. Pflug 9.1 Schneide 10 Bremsweg 11. Führungsschuhe 12. Führungsprofile 13.1 Auflager 13.2 Auflager A plow (9) extends from the cross members (3.4) of the central displacement (3.7) of the guide frame (3) in the direction of the two side walls (2.1) of the conveyor cage (2) and has a cutting edge opposite to the direction of the braking distance (10) (9.1). The plow (9) extends in the horizontal direction into the space between the retaining strips (6.1, 6.2) above the plates (8) made of energy-absorbing material. The excessive conveying means (2) moves upwards along the braking path (10) in the guide frame (3). The stationary plow (9) destroys the energy-absorbing material of the plates (8) between the retaining strips (6.1, 6.2) and thereby brakes the conveyor (2) at the end of the braking distance (10) to a standstill. No. designation 1. Exaggerated braking device 2. Funding 2.1 side walls 3rd Guide frame 3.1 Support beam 3.2 Upper shift 3.3 Lower shift 3.4 Cross member 3.5 End faces 3.6 Long sides 3.7 Medium displacement 4th Longitudinal direction 5. Brake frame 5.1 Striving 6.1 Retaining bar 6.2 Retaining bar 7th Fastening strips 8th. Panels made of energy absorbing material 9. plow 9.1 Cutting edge 10th Braking distance 11. Guide shoes 12th Guide profiles 13.1 In stock 13.2 In stock

Claims (12)

  1. Shaft hoisting plant having a conveying means (2)and an overwind brake device (1) for the conveying means (2), a travel path for the conveying means extending in a longitudinal direction, and an overwind path adjoining a lower end and/or an upper end of the travel path, wherein the overwind brake device (1) comprises:
    - a pair of retaining elements arranged at a distance from one another which are executed as retaining strips (6.1, 6.2) and which extend in the longitudinal direction (4),
    - energy-absorbing material in the form of plates (8) arranged between the retaining strips (6.1, 6.2),
    - wherein the plates (8) are arranged one above another in the longitudinal direction between the retaining strips (6.1, 6.2),
    - a plough (9) which is arranged so as to be movable relative to the retaining strips (6.1, 6.2) in such a manner that, upon overwinding of the conveying means (2), the plough deforms and/or destroys the energy-absorbing material between the retaining strips (6.1, 6.2),
    - wherein either the plough (9) is movable and the retaining strips (6.1, 6.2) are stationary on the overwind path or the plough (9) is stationary on the overwind path and the retaining strips (6.1, 6.2) are arranged to be movable.
  2. Shaft hoisting plant according to Claim 1, characterized in that the plough is arranged on the conveying means.
  3. Shaft hoisting plant according to Claim 1, characterized in that the retaining strips (6.1, 6.2) are arranged on the conveying means.
  4. Shaft hoisting plant according to Claim 1, characterized in that
    - the overwind brake device has a braking frame (5) that is positively driven in a guide framework (3) in the longitudinal direction (4), which braking frame is adapted for an impingement of the conveying means (2) upon overwinding of the conveying means,
    - the retaining strips (6.1, 6.2) are fastened to the guide framework (3), and
    - the plough is arranged on the braking frame (5).
  5. Shaft hoisting plant according to one of Claims 1 to 4, characterized in that the plates (8) consist of a fibre composite material.
  6. Shaft hoisting plant according to Claim 5, characterized in that the fibre composite material is a fibre-reinforced plastic.
  7. Shaft hoisting plant according to Claim 5 or 6, characterized in that the fibre composite material is reinforced by inorganic and/or organic and/or metallic fibres.
  8. Shaft hoisting plant according to Claim 6 or 7, characterized in that the fibre-reinforced plastic is a continuously fibre-reinforced thermoplastic.
  9. Shaft hoisting plant according to one of Claims 4 to 8, characterized in that the guide framework (3) has vertical support girders (3.1) as well as at least one upper and one lower brace (3.2, 3.3), each of which consists of cross girders (3.4) arranged between the support girders.
  10. Shaft hoisting plant according to Claim 9, characterized in that at least one pair of the retaining strips (6.1, 6.2) are fastened on opposite sides (3.5, 3.6) of the guide framework (3) to the lower and upper brace (3.2, 3.3) and extend parallel to the support girders (3.1) between the braces (3.2, 3.3) .
  11. Shaft hoisting plant according to Claim 10, characterized in that
    - on the opposite sides (3.5, 3.6) of the guide framework (3) at least one guide profile (12) is fastened to the lower and upper brace (3.2, 3.3) and extends parallel to the support girders (3.1), and
    - guide shoes (11) engaging around the guide profiles (12) are arranged on the braking frame (5) .
  12. Shaft hoisting plant according to one of Claims 9 to 11, characterized in that supports (13.1, 13.2) for the braking frame (5) are arranged on the lower brace (3.3) .
EP17793958.4A 2016-11-17 2017-11-06 Shaft hoisting plant having an overwind brake device Active EP3526152B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016122165.1A DE102016122165B4 (en) 2016-11-17 2016-11-17 Shaft conveyor with over-drive braking device
PCT/EP2017/078310 WO2018091294A1 (en) 2016-11-17 2017-11-06 Shaft hoisting plant having an overwind brake device

Publications (2)

Publication Number Publication Date
EP3526152A1 EP3526152A1 (en) 2019-08-21
EP3526152B1 true EP3526152B1 (en) 2020-08-12

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EP17793958.4A Active EP3526152B1 (en) 2016-11-17 2017-11-06 Shaft hoisting plant having an overwind brake device

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US (1) US11225396B2 (en)
EP (1) EP3526152B1 (en)
CN (1) CN108337888B (en)
AU (1) AU2017362635B2 (en)
CA (1) CA3006788C (en)
DE (1) DE102016122165B4 (en)
RU (1) RU2699175C1 (en)
WO (1) WO2018091294A1 (en)
ZA (1) ZA201803630B (en)

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CN108726315B (en) * 2018-08-03 2024-09-03 湖北江汉建筑工程机械有限公司 Descending mechanical safety protection device for guide rail frame of construction lifter
EA038737B1 (en) * 2019-02-25 2021-10-12 Открытое Акционерное Общество "Могилевский Завод Лифтового Машиностроения" (Оао "Могилевлифтмаш") Automatic stop for lifting mechanisms

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DE549001C (en) * 1930-01-12 1932-04-22 Bernhard Walter Override protection device
US1980230A (en) * 1931-10-19 1934-11-13 See Elevator Company Inc Ab Elevator
FR1285862A (en) * 1961-04-10 1962-02-23 Carves Simon Ltd Improvements to vertical carriers
GB1319616A (en) * 1970-09-16 1973-06-06 Sjostrom R Sjostrom B System for arresting the movement of objects travelling along a defined path
GB1601809A (en) * 1977-02-22 1981-11-04 Seltrust Eng Ltd Linear arrestors
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CN108337888A (en) 2018-07-27
CA3006788C (en) 2020-09-15
US20190031471A1 (en) 2019-01-31
ZA201803630B (en) 2021-02-24
DE102016122165A1 (en) 2018-05-17
WO2018091294A1 (en) 2018-05-24
US11225396B2 (en) 2022-01-18
CN108337888B (en) 2020-04-03
AU2017362635A1 (en) 2018-07-05
AU2017362635B2 (en) 2019-12-05
DE102016122165B4 (en) 2019-02-21
RU2699175C1 (en) 2019-09-03
EP3526152A1 (en) 2019-08-21
CA3006788A1 (en) 2018-05-24

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