EP2928806B1 - Cable clamp, and lift system having a cable clamp - Google Patents
Cable clamp, and lift system having a cable clamp Download PDFInfo
- Publication number
- EP2928806B1 EP2928806B1 EP13796068.8A EP13796068A EP2928806B1 EP 2928806 B1 EP2928806 B1 EP 2928806B1 EP 13796068 A EP13796068 A EP 13796068A EP 2928806 B1 EP2928806 B1 EP 2928806B1
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- EP
- European Patent Office
- Prior art keywords
- clamping
- cable
- cable clamp
- unit
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010276 construction Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 description 13
- 239000000725 suspension Substances 0.000 description 11
- 238000005452 bending Methods 0.000 description 4
- 230000006735 deficit Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B19/00—Mining-hoist operation
- B66B19/02—Installing or exchanging ropes or cables
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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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
- B66B5/185—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces by acting on main ropes or main cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
Definitions
- the invention relates to a rope clamp for a rope of an elevator installation, in particular for a suspension rope of an elevator installation installed in a shaft of a building under construction, with a support device which has a wedge seat with a first support surface and a second support surface arranged at an angle to the first support surface. and with a wedge-shaped clamping device which can be moved back and forth in the wedge seat between a clamping position and a release position and which has a first clamping surface opposite the first supporting surface and a second clamping surface opposite the second supporting surface, the two clamping surfaces being aligned obliquely to one another.
- the invention relates to an elevator system with such a cable clamp.
- Elevator systems usually have a drive device which is coupled via a support cable to a car which can be moved up and down in a vertical shaft. The car is often also connected to a counterweight via the suspension cable.
- elevator systems of this type are required already during the construction of the building in order to transport construction workers and construction material as close as possible to the floor on which the construction work is currently taking place.
- elevator systems are known which are initially installed in a lower shaft area so that the lower shaft area can be served by the elevator system and which are gradually moved upwards in the shaft as construction progresses, so that the shaft area increases, that of the elevator system can be operated. Moving the elevator system to a higher shaft area makes it necessary to close the suspension cable or other cables, for example a speed limiter cable extend.
- the ropes initially used are replaced by longer ropes.
- a rope clamp and a rope supply can be used, for example a rope pulley, so that after the rope clamp is deactivated, the effective length of the rope can be increased by removing an extension section from the rope supply and passing it through the rope clamp. After reaching the desired rope length, the rope clamp is reactivated so that the rope with the increased length is clamped.
- EP 2 371 753 A1 describes a cable clamp in which two pairs of clamping jaws are arranged offset in the vertical direction in a housing-like support device and the cable to be clamped is passed through the first pair of clamping jaws and through the second pair of clamping jaws.
- the pairs of clamping jaws are each subjected to a preload force by an upstream spring.
- the clamping jaws each slide with a clamping surface along an assigned support surface of the support device and are pressed against the rope.
- the tensile stress of the rope then leads to the fact that the clamping jaws assume their clamping position in which they clamp the rope between them.
- the cable can be clamped and released again several times by means of such a cable clamp, but the cable clamp is of considerable size.
- two separate rope clips with wedges are described, between which a deflection roller is arranged.
- the object of the present invention is to develop a cable clamp of the type mentioned at the outset in such a way that it enables repeated clamping and releasing of the cable with a compact design, without the mechanical load capacity of the cable being impaired thereby.
- the cable clamp comprises a deflection device and a first clamping region arranged between the first clamping surface and the first support surface and a second clamping region arranged between the second clamping surface and the second support surface, the clamping region to be clamped Rope can be passed through the two clamping areas and can be deflected from the first clamping area to the second clamping area by means of the deflection device.
- the cable clamp has a wedge-shaped clamping device that defines a first clamping surface and a second clamping surface.
- a support surface of the support device is located opposite each of the clamping surfaces, and the cable is guided between the clamping and support surfaces.
- the wedge-shaped clamping device can be moved back and forth between a clamping position and a release position. If the clamping device assumes its clamping position, the rope is clamped in the first clamping area and in the second clamping area. If the clamping is to be released, it is only necessary to move the clamping device into its release position, because this releases the rope both in the first clamping area and in the second clamping area.
- the deflection device enables the rope to be clamped to be looped around the clamping device, so that it can be clamped simultaneously to two clamping areas arranged offset to one another in the longitudinal direction of the rope as soon as the clamping device assumes its clamping position, the clamping areas not needing to be arranged along a straight line Rather, the clamping areas can be positioned next to each other due to the deflection device.
- the cable clamp can thus have a very compact design and requires only a relatively small amount of space. The cable clamp can therefore also be installed in a machine room of an elevator system, even in tight spaces.
- the first support surface and the first clamping surface can be aligned vertically and the second support surface and the second clamping surface can be oriented obliquely to the vertical.
- the distance between the two support surfaces like the distance between the two clamping surfaces, can expand in the vertical direction.
- the rope to be clamped can plunge vertically from below into the first clamping area, pass through it vertically upwards, then be deflected by the deflection device to the second clamping area and then pass through it diagonally to the vertical from top to bottom in order to at the lower end of the step out of this second clamping area. If the rope experiences a tension in the direction of the end of the second clamping area facing away from the deflection device, the clamping device automatically goes into its clamping position in which the rope is clamped in the two clamping areas.
- the cable is clamped, that is to say the clamping device is self-clamping, in that, due to the frictional force acting between the cable and the clamping device, it automatically changes into its clamping position as soon as the cable is subjected to tensile stress. It is therefore not absolutely necessary to apply a pretension to the clamping device so that it moves into its clamping position by the cable pull.
- the weight of the clamping device can ensure a sufficiently large frictional force between the clamping device and the rope, so that the clamping device automatically changes into its clamping position by the cable pull.
- a particularly compact embodiment of the cable clamp is achieved in an advantageous embodiment of the invention in that the two clamping regions are arranged at the same height in relation to the vertical in the use position of the cable clamp.
- the vertical extension of the rope clamp can be kept particularly low.
- the clamping device has a clamping wedge. With the help of the wedge, the rope can be easily Be clamped both in the first clamping area and in the second clamping area.
- the deflection device is advantageously held on the clamping device. This makes it possible to move the deflection device together with the clamping device, so that the spacing relationships between the clamping device and the deflection device do not change when the clamping device moves back and forth between its release position and its clamping position.
- the deflection device has a rotatably mounted deflection roller.
- the diameter of the deflection roller is at least as large as the maximum distance between the ends of the two clamping areas facing the deflection roller.
- the rope to be clamped is guided around the deflection roller between the first clamping area and the second clamping area.
- the radius of the pulley corresponds to the bending radius of the rope.
- the two clamping areas are aligned at an angle to one another, so that their distance in the direction of the deflection roller increases.
- the fact that the diameter of the deflection roller is at least as large as the maximum distance between the two clamping areas ensures that the rope to be clamped is only subjected to a relatively low bending load in the region of the deflection roller.
- the two support surfaces and the two clamping surfaces each have a groove-shaped depression which can be applied to the rope surface.
- the rope In the first clamping area and in the second clamping area, the rope can be clamped between a recess of a clamping surface and a recess of a support surface.
- the depressions hold the rope between them.
- the depressions can, for example, be V-shaped or circular-arc-shaped.
- the depressions can be positively applied to the rope surface.
- the recesses receive the rope to be clamped between them with a precise fit.
- the rope clamp according to the invention has a manually, electrically, pneumatically or hydraulically actuated release device for releasing a rope clamp.
- the release device By means of the release device, the clamping device can be transferred from its clamping position to its release position.
- the release device preferably comprises a piston-cylinder unit which can be acted upon with pressure medium, in particular with hydraulic fluid.
- the release device is arranged below the clamping device in the use position of the cable clamp.
- the release device can thereby raise the clamping device against its weight to release the clamping.
- the support device preferably has two support arms which are rigidly connected to one another via two connecting links and each define a support surface.
- the support device thus forms a housing which surrounds the clamping device in the circumferential direction. It is advantageous here if the clamping device has a clamping wedge which is arranged between the two support arms and the two connecting members and which has two clamping surfaces, each of which faces a supporting surface.
- the invention relates not only to a cable clamp of the type explained above but also to an elevator installation with such a cable clamp.
- the elevator installation comprises a drive device that is coupled via a suspension cable to a car which can be moved up and down in a vertical shaft.
- the elevator installation according to the invention has a cable drum, on which an end section of the support cable is wound, and a cable clamp of the type mentioned above, into which a section of the support cable is releasably clamped.
- the elevator system can, for example, be installed in the shaft of a building under construction. As the construction progresses, the elevator system can be gradually moved upwards in the shaft.
- the necessary extension of the suspension cable is achieved in a structurally simple manner in that a corresponding extension section of the suspension cable is unwound from the cable drum after the cable clamp has been released beforehand.
- the suspension cable can then run through the rope clamp from the rope drum, and after the desired height of the elevator installation has been reached, the suspension cable can be clamped again by means of the rope clamp. This process can be repeated several times.
- the cable drum is arranged in a storage area inside or outside the shaft, for example in a shaft base of the shaft.
- the weight of the rope drum can be carried directly from the bottom of the shaft.
- the storage area is arranged outside the shaft, for example in an adjoining room.
- both the drive device and the cable clamp are arranged in a machine room of the elevator system that is temporarily fixed in the shaft.
- the machine room can be temporarily fixed in the shaft. After completion of construction, the machine room can be gradually raised vertically.
- the drive system of the elevator system and the cable clamp are arranged in the machine room.
- the cable clamp only requires a relatively small installation space and can therefore be positioned in the machine room even when space is limited.
- the supporting rope is guided from the elevator car to the rope clamp via at least one deflection element.
- the at least one deflection element makes it possible to arrange the cable section coming from the car offset in the horizontal direction from the cable section leading from the cable clamp to the cable drum.
- the cable clamp can be positioned above the cable drum, a first clamping area of the cable clamp being aligned with the cable section connecting the cable clamp to the cable drum. The first clamping area is thus oriented vertically in the position of use of the cable clamp.
- the cable is guided by means of the deflection device to the second clamping area, which is inclined to the vertical and approaches the first clamping area from top to bottom.
- the rope can be guided via at least one deflection element to a deflection roller arranged on the roof of the car or the counterweight, from which the rope then reaches the drive device.
- FIG 1 schematically shows an elevator system 10 according to the invention, which is installed in a vertical shaft 12 of a building under construction.
- the elevator installation 10 comprises a machine room 14 which is temporarily fixed in the shaft 12 with the aid of fastening members 15, 16.
- a drive device 18 of the elevator installation 10 is positioned in the machine room 14.
- the drive device 18 has a traction sheave 19 which can be driven in the usual way by a motor.
- the drive device 18 is coupled to a car 23 and to a counterweight 25 via a support cable 21.
- a support cable 21 In the machine room 14 there is also an in Figure 2 Cable clamp 28, shown enlarged, through which the supporting cable 21 is passed.
- One end of the support cable 21 is wound on a cable drum 30 which is rotatably mounted in a storage area.
- the storage area In the exemplary embodiment shown, the storage area is located in a shaft base 31 of the shaft 12. Alternatively, the storage area could also be arranged outside the shaft 12, for example in an adjoining room.
- the suspension cable 21 can be clamped by means of the cable clamp 28. This makes it possible to move the car 23 up and down.
- the elevator system 10 has guide rails mounted in the shaft, which are known per se to the person skilled in the art and therefore to achieve a better overview in FIG Figure 1 are not shown.
- the elevator system 10 can be installed in the shaft of a building under construction. As the construction progresses, the elevator installation 10 in the shaft 12 can be gradually moved upwards in the vertical direction. For this purpose, the machine room 14 can be raised after the fastening members 15 and 16 have been removed from it in FIG Figure 1 shown stop position were transferred to a release position. In a higher position, the machine room 14 can then again be in the shaft 12 be fixed by means of the fastening members 15, 16. When the machine room 12 is moved, the cable clamp 28 is released, so that the supporting cable 21 can be unwound from the cable drum 30 with the required length. After reaching the desired height of the machine room 14, the supporting rope 21 can be clamped again by means of the rope clamp 28.
- the cable clamp 28 comprises a housing-like support device 34 with two vertically upwardly extending support arms 35, 36, which extend over two in Figure 3 connecting links 37, 38 are rigidly connected to one another.
- the support arms 35, 36 and connecting members 37, 38 surround a wedge receptacle 40 of the support device 34 which extends through the support device 34 in the vertical direction and in which a clamping device in the form of a clamping wedge 43 is movably arranged.
- the support arm 35 Facing the wedge seat 40, the support arm 35 has a first support surface 45 and the support arm 36 has a second support surface 46 facing the wedge seat 40.
- the clamping wedge 43 comprises a first clamping surface 48, which lies opposite the first support surface 45, and a second clamping surface 49, which lies opposite the second support surface 46.
- the first support surface 45 and the first clamping surface 48 are aligned vertically and in alignment with the section of the support cable 21 connecting the cable drum 30 to the cable clamp 28, whereas the second support surface 46 and the second clamping surface 49 are inclined to the vertical, so that the clamping wedge 43 continuously widened from a lower end surface 51 to an upper end surface 52.
- a deflection device 54 is arranged on the upper end surface 52 with a deflection roller 55 which is rotatably mounted on a bearing block 57 rigidly connected to the clamping wedge 43.
- a first clamping area 59 of the cable clamp 28 extends between the first support surface 45 and the first clamping surface 48, and a second clamping area 60 of the cable clamp 28 extends between the second support surface 46 and the second clamping surface 49 guided vertically through the first clamping area 59, from the first clamping area 59 the support cable 21 is guided over the deflection roller 55 to the second clamping area 60, from which the support cable 21 a first deflection element 62 and a second deflection element 63 are reached.
- the support cable 21 runs vertically downward from the second deflection element 63 to a third deflection element 65, which is held on the upper side of the car 23.
- the support cable 21 runs vertically upwards to the traction sheave 19 and to a fourth deflection element 66, from which the support cable 21 is guided vertically downwards to a fifth deflection element 68 held on the counterweight 25. From the fifth deflection element 68, the support cable 21 runs in the vertical direction upwards to a cable fastening 70 arranged on the machine room 14.
- the clamping wedge 43 is pressed vertically downward by its weight, so that it rests on the supporting cable 21 in the second clamping region 60.
- the support cable 21 is loaded by the car 23 on train. The consequence of this is that the clamping wedge 43 is automatically moved vertically downward into a clamping position due to the frictional force which forms between it and the supporting cable 21, in which it clamps the supporting cable 21 both in the first clamping region 59 and in the second clamping region 60.
- a release device is arranged below the lower end face 51 of the clamping wedge 43, which in the exemplary embodiment shown is designed as a hydraulically actuatable piston-cylinder unit 72.
- the clamping wedge 43 can be raised so that it changes from its clamping position into a release position.
- the support cable 21 can run through the cable clamp 28, so that when the elevator system 10 is moved in the shaft 12, the effective length of the support cable 21 can be increased, as already explained above.
- the support surfaces 45, 46 and the clamping surfaces 48, 49 can be positively placed on the supporting cable 21.
- they each have a groove-shaped depression 74, 75.
- the form-fitting contact of the support and clamping surfaces 45, 46, 48, 49 on the supporting cable 21 ensures that the supporting cable 21 can also be used after repeated clamping and releasing experiences no impairment of its mechanical resilience.
- the deflection of the suspension cable between the first clamping area 59 and the second clamping area 60 by means of the deflection device 54 takes place with a relatively large bending radius, so that the bending load on the suspension cable 21 can be kept low.
- the diameter of the deflection roller 55 is greater than the distance that the two clamping regions 59, 60 have from one another at the level of the upper end surface 52.
- the supporting cable 21 can be clamped to two clamping areas 59, 60, which are arranged at the same height in the vertical direction. This gives the cable clamp 28 a particularly compact design, so that it requires only a very small installation space in the machine room 14 of the elevator system 10.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Description
Die Erfindung betrifft eine Seilklemme für ein Seil einer Aufzuganlage, insbesondere für ein Tragseil einer in einem Schacht eines im Bau befindlichen Gebäudes installierten Aufzuganlage, mit einer Stützeinrichtung, die eine Keilaufnahme aufweist mit einer ersten Stützfläche und einer im Winkel zur ersten Stützfläche angeordneten zweiten Stützfläche, und mit einer keilförmigen, in der Keilaufnahme zwischen einer Klemmstellung und einer Freigabestellung hin und her bewegbaren Klemmeinrichtung, die eine der ersten Stützfläche gegenüberliegende erste Klemmfläche und eine der zweiten Stützfläche gegenüberliegende zweite Klemmfläche aufweist, wobei die beiden Klemmflächen schräg zueinander ausgerichtet sind.The invention relates to a rope clamp for a rope of an elevator installation, in particular for a suspension rope of an elevator installation installed in a shaft of a building under construction, with a support device which has a wedge seat with a first support surface and a second support surface arranged at an angle to the first support surface. and with a wedge-shaped clamping device which can be moved back and forth in the wedge seat between a clamping position and a release position and which has a first clamping surface opposite the first supporting surface and a second clamping surface opposite the second supporting surface, the two clamping surfaces being aligned obliquely to one another.
Außerdem betrifft die Erfindung eine Aufzuganlage mit einer derartigen Seilklemme.In addition, the invention relates to an elevator system with such a cable clamp.
Aufzuganlagen weisen üblicherweise eine Antriebseinrichtung auf, die über ein Tragseil mit einem in einem vertikalen Schacht nach oben und nach unten verfahrbaren Fahrkorb gekoppelt sind. Häufig ist der Fahrkorb über das Tragseil auch mit einem Gegengewicht verbunden. In hohen Gebäuden werden derartige Aufzuganlagen bereits während der Erstellung der Gebäude benötigt, um Bauarbeiter und Baumaterial möglichst nahe an das Stockwerk zu transportieren, in dem aktuell die Bauarbeiten stattfinden. Zu diesem Zweck sind Aufzuganlagen bekannt, die zunächst in einem unteren Schachtbereich installiert werden, so dass der untere Schachtbereich von der Aufzuganlage bedient werden kann, und die mit zunehmendem Baufortschritt schrittweise im Schacht nach oben versetzt werden, so dass sich der Schachtbereich vergrößert, der von der Aufzuganlage bedient werden kann. Das Versetzen der Aufzuganlage in einen höheren Schachtbereich macht es erforderlich, das Tragseil oder auch andere Seile, beispielsweise ein Geschwindigkeitsbegrenzerseil, zu verlängern. Hierzu kann vorgesehen sein, dass die zunächst verwendeten Seile durch längere Seile ausgetauscht werden. Alternativ können eine Seilklemme und ein Seilvorrat zum Einsatz kommen, beispielsweise eine Seilrolle, so dass nach Deaktivieren der Seilklemme die wirksame Länge des Seils vergrößert werden kann, indem ein Verlängerungsabschnitt dem Seilvorrat entnommen und durch die Seilklemme hindurchgeführt wird. Nach Erreichen der gewünschten Seillänge wird die Seilklemme wieder aktiviert, so dass das Seil mit der vergrößerten Länge festgeklemmt ist.Elevator systems usually have a drive device which is coupled via a support cable to a car which can be moved up and down in a vertical shaft. The car is often also connected to a counterweight via the suspension cable. In tall buildings, elevator systems of this type are required already during the construction of the building in order to transport construction workers and construction material as close as possible to the floor on which the construction work is currently taking place. For this purpose, elevator systems are known which are initially installed in a lower shaft area so that the lower shaft area can be served by the elevator system and which are gradually moved upwards in the shaft as construction progresses, so that the shaft area increases, that of the elevator system can be operated. Moving the elevator system to a higher shaft area makes it necessary to close the suspension cable or other cables, for example a speed limiter cable extend. For this purpose it can be provided that the ropes initially used are replaced by longer ropes. Alternatively, a rope clamp and a rope supply can be used, for example a rope pulley, so that after the rope clamp is deactivated, the effective length of the rope can be increased by removing an extension section from the rope supply and passing it through the rope clamp. After reaching the desired rope length, the rope clamp is reactivated so that the rope with the increased length is clamped.
Damit nach Lösen der Seilklemme der zunächst eingeklemmte Seilabschnitt, nachdem er aus der Seilklemme herausgeführt wurde, eine Tragfunktion übernehmen kann, ist es erforderlich, dass die Seilklemme die mechanische Belastbarkeit des Seils nicht beeinträchtigt, andererseits soll mittels der Seilklemme das Seil zuverlässig festgeklemmt werden können.So that after loosening the rope clamp, the rope section that has been clamped in after taking it out of the rope clamp can take on a supporting function, it is necessary that the rope clamp not impair the mechanical strength of the rope, on the other hand, the rope should be able to be reliably clamped in place.
In der
Aufgabe der vorliegenden Erfindung ist es, eine Seilklemme der eingangs genannten Art derart weiterzubilden, dass sie mit einer kompakten Bauform ein wiederholtes Klemmen und Freigeben des Seils ermöglicht, ohne dass dadurch die mechanische Belastbarkeit des Seils beeinträchtigt wird.The object of the present invention is to develop a cable clamp of the type mentioned at the outset in such a way that it enables repeated clamping and releasing of the cable with a compact design, without the mechanical load capacity of the cable being impaired thereby.
Diese Aufgabe wird bei einer Seilklemme der gattungsgemäßen Art erfindungsgemäß dadurch gelöst, dass die Seilklemme eine Umlenkeinrichtung umfasst sowie einen zwischen der ersten Klemmfläche und der ersten Stützfläche angeordneten ersten Klemmbereich und einen zwischen der zweiten Klemmfläche und der zweiten Stützfläche angeordneten zweiten Klemmbereich, wobei das zu klemmende Seil durch die beiden Klemmbereiche hindurchführbar und mittels der Umlenkeinrichtung vom ersten Klemmbereich zum zweiten Klemmbereich umlenkbar ist.This object is achieved according to the invention in the case of a cable clamp of the generic type in that the cable clamp comprises a deflection device and a first clamping region arranged between the first clamping surface and the first support surface and a second clamping region arranged between the second clamping surface and the second support surface, the clamping region to be clamped Rope can be passed through the two clamping areas and can be deflected from the first clamping area to the second clamping area by means of the deflection device.
Erfindungsgemäß weist die Seilklemme eine keilförmige Klemmeinrichtung auf, die eine erste Klemmfläche und eine zweite Klemmfläche definiert. Den Klemmflächen liegt jeweils eine Stützfläche der Stützeinrichtung gegenüber, und das Seil wird zwischen den Klemm- und Stützflächen hindurchgeführt. Die keilförmige Klemmeinrichtung kann zwischen einer Klemmstellung und einer Freigabestellung hin und her bewegt werden. Nimmt die Klemmeinrichtung ihre Klemmstellung ein, so wird das Seil im ersten Klemmbereich und im zweiten Klemmbereich festgeklemmt. Soll die Klemmung gelöst werden, so ist es lediglich erforderlich, die Klemmeinrichtung in ihre Freigabestellung zu bewegen, denn dadurch wird das Seil sowohl im ersten Klemmbereich als auch im zweiten Klemmbereich wieder freigegeben.According to the invention, the cable clamp has a wedge-shaped clamping device that defines a first clamping surface and a second clamping surface. A support surface of the support device is located opposite each of the clamping surfaces, and the cable is guided between the clamping and support surfaces. The wedge-shaped clamping device can be moved back and forth between a clamping position and a release position. If the clamping device assumes its clamping position, the rope is clamped in the first clamping area and in the second clamping area. If the clamping is to be released, it is only necessary to move the clamping device into its release position, because this releases the rope both in the first clamping area and in the second clamping area.
Die Umlenkeinrichtung ermöglicht es, das zu klemmende Seil schlaufenförmig um die Klemmeinrichtung herumzuführen, so dass es gleichzeitig an zwei in Seillängsrichtung versetzt zueinander angeordneten Klemmbereichen festgeklemmt werden kann, sobald die Klemmeinrichtung ihre Klemmstellung einnimmt, wobei die Klemmbereiche nicht entlang einer geraden Linie untereinander angeordnet sein müssen, vielmehr können die Klemmbereiche aufgrund der Umlenkeinrichtung nebeneinander positioniert werden. Die Seilklemme kann somit eine sehr kompakte Ausgestaltung aufweisen und erfordert nur einen verhältnismäßig geringen Bauraum. Die Seilklemme kann daher auch bei beengten Platzverhältnissen beispielsweise in einem Maschinenraum einer Aufzuganlage montiert werden.The deflection device enables the rope to be clamped to be looped around the clamping device, so that it can be clamped simultaneously to two clamping areas arranged offset to one another in the longitudinal direction of the rope as soon as the clamping device assumes its clamping position, the clamping areas not needing to be arranged along a straight line Rather, the clamping areas can be positioned next to each other due to the deflection device. The cable clamp can thus have a very compact design and requires only a relatively small amount of space. The cable clamp can therefore also be installed in a machine room of an elevator system, even in tight spaces.
In der Gebrauchslage der Seilklemme können die erste Stützfläche und die erste Klemmfläche vertikal und die zweite Stützfläche und die zweite Klemmfläche schräg zur Vertikalen ausgerichtet sein. Der Abstand der beiden Stützflächen kann sich ebenso wie der Abstand der beiden Klemmflächen in vertikaler Richtung nach oben erweitern. Das zu klemmende Seil kann in vertikaler Richtung von unten in den ersten Klemmbereich eintauchen, diesen in vertikaler Richtung nach oben durchlaufen, dann von der Umlenkeinrichtung zum zweiten Klemmbereich umgelenkt werden und diesen dann schräg zur Vertikalen von oben nach unten durchlaufen, um am unteren Ende des zweiten Klemmbereichs aus diesem herauszutreten. Erfährt das Seil eine Zugspannung in Richtung des der Umlenkeinrichtung abgewandten Endes des zweiten Klemmbereichs, so geht die Klemmeinrichtung selbsttätig in ihre Klemmstellung über, in der das Seil in den beiden Klemmbereichen festgeklemmt wird.In the position of use of the cable clamp, the first support surface and the first clamping surface can be aligned vertically and the second support surface and the second clamping surface can be oriented obliquely to the vertical. The distance between the two support surfaces, like the distance between the two clamping surfaces, can expand in the vertical direction. The rope to be clamped can plunge vertically from below into the first clamping area, pass through it vertically upwards, then be deflected by the deflection device to the second clamping area and then pass through it diagonally to the vertical from top to bottom in order to at the lower end of the step out of this second clamping area. If the rope experiences a tension in the direction of the end of the second clamping area facing away from the deflection device, the clamping device automatically goes into its clamping position in which the rope is clamped in the two clamping areas.
Bei der erfindungsgemäßen Seilklemme erfolgt die Verklemmung durch den Seilzug, das heißt die Klemmeinrichtung ist selbstklemmend, indem sie aufgrund der zwischen dem Seil und der Klemmeinrichtung wirkenden Reibungskraft selbsttätig in ihre Klemmstellung übergeht, sobald das Seil einer Zugspannung unterliegt. Es ist somit nicht zwingend erforderlich, die Klemmeinrichtung mit einer Vorspannung zu beaufschlagen, damit sie durch den Seilzug in ihre Klemmstellung übergeht. Beispielsweise kann durch die Gewichtskraft der Klemmeinrichtung eine ausreichend große Reibungskraft zwischen der Klemmeinrichtung und dem Seil sichergestellt werden, so dass die Klemmeinrichtung durch den Seilzug selbsttätig in ihre Klemmstellung übergeht.In the cable clamp according to the invention, the cable is clamped, that is to say the clamping device is self-clamping, in that, due to the frictional force acting between the cable and the clamping device, it automatically changes into its clamping position as soon as the cable is subjected to tensile stress. It is therefore not absolutely necessary to apply a pretension to the clamping device so that it moves into its clamping position by the cable pull. For example, the weight of the clamping device can ensure a sufficiently large frictional force between the clamping device and the rope, so that the clamping device automatically changes into its clamping position by the cable pull.
Eine besonders kompakte Ausgestaltung der Seilklemme wird bei einer vorteilhaften Ausführungsform der Erfindung dadurch erzielt, dass die beiden Klemmbereiche in der Gebrauchslage der Seilklemme bezogen auf die Vertikale auf gleicher Höhe angeordnet sind. Die vertikale Erstreckung der Seilklemme kann dadurch besonders gering gehalten werden.A particularly compact embodiment of the cable clamp is achieved in an advantageous embodiment of the invention in that the two clamping regions are arranged at the same height in relation to the vertical in the use position of the cable clamp. The vertical extension of the rope clamp can be kept particularly low.
Bei einer konstruktiv besonders einfachen Ausgestaltung weist die Klemmeinrichtung einen Klemmkeil auf. Mit Hilfe des Klemmkeils kann das Seil auf einfache Weise sowohl im ersten Klemmbereich als auch im zweiten Klemmbereich festgeklemmt werden.In a particularly simple construction, the clamping device has a clamping wedge. With the help of the wedge, the rope can be easily Be clamped both in the first clamping area and in the second clamping area.
Die Umlenkeinrichtung ist günstigerweise an der Klemmeinrichtung gehalten. Dies gibt die Möglichkeit, die Umlenkeinrichtung zusammen mit der Klemmeinrichtung zu bewegen, so dass sich die Abstandsverhältnisse zwischen der Klemmeinrichtung und der Umlenkeinrichtung nicht verändern, wenn sich die Klemmeinrichtung zwischen ihrer Freigabestellung in ihrer Klemmstellung hin und her bewegt.The deflection device is advantageously held on the clamping device. This makes it possible to move the deflection device together with the clamping device, so that the spacing relationships between the clamping device and the deflection device do not change when the clamping device moves back and forth between its release position and its clamping position.
Günstig ist es, wenn die Umlenkeinrichtung eine drehbar gelagerte Umlenkrolle aufweist.It is expedient if the deflection device has a rotatably mounted deflection roller.
Von Vorteil ist es, wenn der Durchmesser der Umlenkrolle mindestens so groß ist wie der maximale Abstand zwischen den der Umlenkrolle zugewandten Enden der beiden Klemmbereiche. Das zu klemmende Seil wird zwischen dem ersten Klemmbereich und dem zweiten Klemmbereich um die Umlenkrolle herumgeführt. Der Radius der Umlenkrolle entspricht dem Biegeradius des Seils. Die beiden Klemmbereiche sind schräg zueinander ausgerichtet, so dass sich deren Abstand in Richtung auf die Umlenkrolle vergrößert. Dadurch, dass der Durchmesser der Umlenkrolle mindestens so groß ist wie der maximale Abstand der beiden Klemmbereiche, ist sichergestellt, dass das zu klemmende Seil im Bereich der Umlenkrolle nur einer verhältnismäßig geringen Biegebelastung unterliegt.It is advantageous if the diameter of the deflection roller is at least as large as the maximum distance between the ends of the two clamping areas facing the deflection roller. The rope to be clamped is guided around the deflection roller between the first clamping area and the second clamping area. The radius of the pulley corresponds to the bending radius of the rope. The two clamping areas are aligned at an angle to one another, so that their distance in the direction of the deflection roller increases. The fact that the diameter of the deflection roller is at least as large as the maximum distance between the two clamping areas ensures that the rope to be clamped is only subjected to a relatively low bending load in the region of the deflection roller.
Bei einer vorteilhaften Ausführungsform der Erfindung weisen die beiden Stützflächen und die beiden Klemmflächen jeweils eine rillenförmige Vertiefung auf, die an die Seiloberfläche anlegbar ist. Im ersten Klemmbereich und im zweiten Klemmbereich kann das Seil jeweils zwischen eine Vertiefung einer Klemmfläche und eine Vertiefung einer Stützfläche eingeklemmt werden. Die Vertiefungen nehmen das Seil zwischen sich auf. Dadurch kann die Gefahr einer mechanischen Beeinträchtigung des Seils beim Festklemmen besonders gering gehalten werden.In an advantageous embodiment of the invention, the two support surfaces and the two clamping surfaces each have a groove-shaped depression which can be applied to the rope surface. In the first clamping area and in the second clamping area, the rope can be clamped between a recess of a clamping surface and a recess of a support surface. The depressions hold the rope between them. As a result, the risk of mechanical impairment of the rope when clamping is kept particularly low.
Die Vertiefungen können beispielsweise V-förmig oder kreisbogenförmig ausgestaltet sein.The depressions can, for example, be V-shaped or circular-arc-shaped.
Von besonderem Vorteil ist es, wenn die Vertiefungen formschlüssig an die Seiloberfläche anlegbar sind. Bei einer derartigen Ausgestaltung nehmen die Vertiefungen das zu klemmende Seil passgenau zwischen sich auf.It is particularly advantageous if the depressions can be positively applied to the rope surface. In such a configuration, the recesses receive the rope to be clamped between them with a precise fit.
Zum Lösen einer Seilklemmung weist die erfindungsgemäße Seilklemme bei einer vorteilhaften Ausführungsform eine manuell, elektrisch, pneumatisch oder hydraulisch betätigbare Freigabeeinrichtung auf. Mittels der Freigabeeinrichtung kann die Klemmeinrichtung aus ihrer Klemmstellung in ihre Freigabestellung überführt werden.In an advantageous embodiment, the rope clamp according to the invention has a manually, electrically, pneumatically or hydraulically actuated release device for releasing a rope clamp. By means of the release device, the clamping device can be transferred from its clamping position to its release position.
Vorzugsweise umfasst die Freigabeeinrichtung eine mit Druckmittel, insbesondere mit Hydraulikflüssigkeit beaufschlagbare Kolbenzylindereinheit.The release device preferably comprises a piston-cylinder unit which can be acted upon with pressure medium, in particular with hydraulic fluid.
Besonders günstig ist es, wenn die Freigabeeinrichtung in der Gebrauchslage der Seilklemme unterhalb der Klemmeinrichtung angeordnet ist. Die Freigabeeinrichtung kann dadurch die Klemmeinrichtung entgegen deren Gewichtskraft anheben, um die Klemmung zu lösen.It is particularly favorable if the release device is arranged below the clamping device in the use position of the cable clamp. The release device can thereby raise the clamping device against its weight to release the clamping.
Die Stützeinrichtung weist bevorzugt zwei Stützarme auf, die über zwei Verbindungsglieder starr miteinander verbunden sind und die jeweils eine Stützfläche definieren. Die Stützeinrichtung bildet somit ein Gehäuse aus, das die Klemmeinrichtung in Umfangsrichtung umgibt. Hierbei ist es von Vorteil, wenn die Klemmeinrichtung einen zwischen den beiden Stützarmen und den beiden Verbindungsgliedern angeordneten Klemmkeil aufweist, der zwei Klemmflächen aufweist, die jeweils einer Stützfläche zugewandt sind.The support device preferably has two support arms which are rigidly connected to one another via two connecting links and each define a support surface. The support device thus forms a housing which surrounds the clamping device in the circumferential direction. It is advantageous here if the clamping device has a clamping wedge which is arranged between the two support arms and the two connecting members and which has two clamping surfaces, each of which faces a supporting surface.
Wie eingangs erwähnt, betrifft die Erfindung nicht nur eine Seilklemme der voranstehend erläuterten Art sondern auch eine Aufzuganlage mit einer derartigen Seilklemme. Die Aufzuganlage umfasst eine Antriebseinrichtung, die über ein Tragseil mit einem in einem vertikalen Schacht nach oben und nach unten verfahrbaren Fahrkorb gekoppelt ist. Außerdem weist die erfindungsgemäße Aufzuganlage eine Seiltrommel auf, auf die ein Endabschnitt des Tragseils aufgewickelt ist, sowie eine Seilklemme der voranstehend genannten Art, in die ein Abschnitt des Tragseils lösbar eingeklemmt ist. Die Aufzuganlage kann beispielsweise im Schacht eines sich im Bau befindlichen Gebäudes installiert werden. Mit zunehmendem Baufortschritt kann die Aufzuganlage schrittweise im Schacht nach oben versetzt werden. Die hierbei erforderliche Verlängerung des Tragseils wird auf konstruktiv einfache Weise dadurch erzielt, dass ein entsprechender Verlängerungsabschnitt des Tragseils von der Seiltrommel abgewickelt wird, nachdem zuvor die Seilklemme gelöst wurde. Beim Versetzen der Aufzuganlage im Schacht vertikal nach oben kann dann das Tragseil von der Seiltrommel durch die Seilklemme hindurchlaufen, und nach Erreichen der gewünschten Höhe der Aufzuganlage kann das Tragseil mittels der Seilklemme wieder festgeklemmt werden. Dieser Vorgang kann mehrfach wiederholt werden.As mentioned at the beginning, the invention relates not only to a cable clamp of the type explained above but also to an elevator installation with such a cable clamp. The elevator installation comprises a drive device that is coupled via a suspension cable to a car which can be moved up and down in a vertical shaft. In addition, the elevator installation according to the invention has a cable drum, on which an end section of the support cable is wound, and a cable clamp of the type mentioned above, into which a section of the support cable is releasably clamped. The elevator system can, for example, be installed in the shaft of a building under construction. As the construction progresses, the elevator system can be gradually moved upwards in the shaft. The necessary extension of the suspension cable is achieved in a structurally simple manner in that a corresponding extension section of the suspension cable is unwound from the cable drum after the cable clamp has been released beforehand. When the elevator system is moved vertically upwards in the shaft, the suspension cable can then run through the rope clamp from the rope drum, and after the desired height of the elevator installation has been reached, the suspension cable can be clamped again by means of the rope clamp. This process can be repeated several times.
Die Seiltrommel ist bei einer vorteilhaften Ausführungsform der erfindungsgemäßen Aufzuganlage in einem Bevorratungsbereich innerhalb oder außerhalb des Schachts angeordnet, beispielsweise in einem Schachtgrund des Schachts. Das Gewicht der Seiltrommel kann dadurch direkt vom Boden des Schachts getragen werden. Alternativ kann vorgesehen sein, dass der Bevorratungsbereich außerhalb des Schachts angeordnet ist, zum Beispiel in einem Nebenraum.In an advantageous embodiment of the elevator installation according to the invention, the cable drum is arranged in a storage area inside or outside the shaft, for example in a shaft base of the shaft. The weight of the rope drum can be carried directly from the bottom of the shaft. Alternatively, it can be provided that the storage area is arranged outside the shaft, for example in an adjoining room.
Von Vorteil ist es, wenn sowohl die Antriebseinrichtung als auch die Seilklemme in einem temporär im Schacht festgelegten Maschinenraum der Aufzuganlage angeordnet sind. Zum Betreiben der Aufzuganlage in einem sich im Bau befindlichen Gebäude kann der Maschinenraum im Schacht temporär fixiert werden. Nach erfolgtem Baufortschritt kann der Maschinenraum schrittweise vertikal nach oben angehoben werden. Im Maschinenraum sind die Antriebseinrichtung der Aufzuganlage sowie die Seilklemme angeordnet. Die Seilklemme erfordert hierbei nur einen verhältnismäßig geringen Montageraum und kann daher auch bei beengten Platzverhältnissen im Maschinenraum positioniert werden.It is advantageous if both the drive device and the cable clamp are arranged in a machine room of the elevator system that is temporarily fixed in the shaft. To operate the elevator system in a building under construction, the machine room can be temporarily fixed in the shaft. After completion of construction, the machine room can be gradually raised vertically. The drive system of the elevator system and the cable clamp are arranged in the machine room. The cable clamp only requires a relatively small installation space and can therefore be positioned in the machine room even when space is limited.
Das Tragseil ist bei einer vorteilhaften Ausführungsform der erfindungsgemäßen Aufzuganlage über mindestens ein Umlenkelement vom Fahrkorb zur Seilklemme geführt. Das mindestens eine Umlenkelement ermöglicht es, den vom Fahrkorb kommenden Seilabschnitt in horizontaler Richtung versetzt zu dem von der Seilklemme zur Seiltrommel führenden Seilabschnitt anzuordnen. Die Seilklemme kann oberhalb der Seiltrommel positioniert werden, wobei ein erster Klemmbereich der Seilklemme fluchtend zu dem die Seilklemme mit der Seiltrommel verbindenden Seilabschnitt angeordnet ist. Der erste Klemmbereich ist somit in der Gebrauchslage der Seilklemme vertikal ausgerichtet. Ausgehend vom ersten Klemmbereich wird das Seil mittels der Umlenkeinrichtung zum zweiten Klemmbereich geführt, der zur Vertikalen geneigt ist und sich von oben nach unten dem ersten Klemmbereich nähert. Vom zweiten Klemmbereich kann das Seil über mindestens ein Umlenkelement zu einer am Dach des Fahrkorbs oder des Gegengewichts angeordneten Umlenkrolle geführt werden, von der aus das Seil dann die Antriebseinrichtung erreicht.In an advantageous embodiment of the elevator installation according to the invention, the supporting rope is guided from the elevator car to the rope clamp via at least one deflection element. The at least one deflection element makes it possible to arrange the cable section coming from the car offset in the horizontal direction from the cable section leading from the cable clamp to the cable drum. The cable clamp can be positioned above the cable drum, a first clamping area of the cable clamp being aligned with the cable section connecting the cable clamp to the cable drum. The first clamping area is thus oriented vertically in the position of use of the cable clamp. Starting from the first clamping area, the cable is guided by means of the deflection device to the second clamping area, which is inclined to the vertical and approaches the first clamping area from top to bottom. From the second clamping area, the rope can be guided via at least one deflection element to a deflection roller arranged on the roof of the car or the counterweight, from which the rope then reaches the drive device.
Die nachfolgende Beschreibung einer vorteilhaften Ausführungsform der Erfindung dient im Zusammenhang mit der Zeichnung der näheren Erläuterung. Es zeigen:
- Figur 1:
- eine schematische Darstellung einer vorteilhaften Ausführungsform einer erfindungsgemäßen Aufzuganlage, die im Schacht eines im Bau befindlichen Gebäudes installiert ist;
- Figur 2:
- eine schematische Darstellung einer vorteilhaften Ausführungsform einer Seilklemme der Aufzuganlage aus
Figur 1 , und - Figur 3:
- eine Schnittansicht längs der Linie 3-3 von
Figur 2 .
- Figure 1:
- a schematic representation of an advantageous embodiment of an elevator system according to the invention, which is installed in the shaft of a building under construction;
- Figure 2:
- a schematic representation of an advantageous embodiment of a cable clamp of the elevator system
Figure 1 , and - Figure 3:
- a sectional view taken along line 3-3 of
Figure 2 .
In
Die Antriebseinrichtung 18 ist über ein Tragseil 21 mit einem Fahrkorb 23 und mit einem Gegengewicht 25 gekoppelt. Im Maschinenraum 14 ist außerdem eine in
Zum Betreiben der Aufzuganlage 10 kann das Tragseil 21 mittels der Seilklemme 28 festgeklemmt werden. Dies ermöglicht es, den Fahrkorb 23 nach oben und nach unten zu bewegen. Zur Führung des Fahrkorbs 23 und des Gegengewichts 25 im Schacht 12 weist die Aufzuganlage 10 im Schacht montierte Führungsschienen auf, die dem Fachmann an sich bekannt sind und deshalb zur Erzielung einer besseren Übersicht in
Wie bereits erwähnt, kann die Aufzuganlage 10 im Schacht eines sich im Bau befindlichen Gebäudes installiert werden. Mit zunehmendem Baufortschritt kann die Aufzuganlage 10 im Schacht 12 schrittweise in vertikaler Richtung nach oben versetzt werden. Hierzu kann der Maschinenraum 14 angehoben werden, nachdem zuvor die Befestigungsglieder 15 und 16 aus ihrer in
Die Seilklemme 28 umfasst eine gehäuseartige Stützeinrichtung 34 mit zwei vertikal nach oben ragenden Stützarmen 35, 36, die über zwei in
Zwischen der ersten Stützfläche 45 und der ersten Klemmfläche 48 erstreckt sich ein erster Klemmbereich 59 der Seilklemme 28, und zwischen der zweiten Stützfläche 46 und der zweiten Klemmfläche 49 erstreckt sich ein zweiter Klemmbereich 60 der Seilklemme 28. Ausgehend von der Seiltrommel 30 ist das Tragseil 21 vertikal ausgerichtet durch den ersten Klemmbereich 59 hindurchgeführt, vom ersten Klemmbereich 59 wird das Tragseil 21 über die Umlenkrolle 55 zum zweiten Klemmbereich 60 geführt, von dem aus das Tragseil 21 ein erstes Umlenkelement 62 und ein zweites Umlenkelement 63 erreicht. Vom zweiten Umlenkelement 63 verläuft das Tragseil 21 vertikal nach unten bis zu einem dritten Umlenkelement 65, das an der Oberseite des Fahrkorbs 23 gehalten ist. Vom dritten Umlenkelement 65 verläuft das Tragseil 21 vertikal nach oben zur Treibscheibe 19 und zu einem vierten Umlenkelement 66, von dem aus das Tragseil 21 vertikal nach unten zu einem am Gegengewicht 25 gehaltenen fünften Umlenkelement 68 geführt ist. Vom fünften Umlenkelement 68 verläuft das Tragseil 21 in vertikaler Richtung nach oben bis zu einer am Maschinenraum 14 angeordneten Seilbefestigung 70.A
Der Klemmkeil 43 wird von seiner Gewichtskraft vertikal nach unten gedrückt, so dass er im zweiten Klemmbereich 60 auf dem Tragseil 21 aufliegt. Das Tragseil 21 wird vom Fahrkorb 23 auf Zug belastet. Dies hat zur Folge, dass der Klemmkeil 43 aufgrund der sich zwischen ihm und dem Tragseil 21 ausbildenden Reibungskraft selbsttätig vertikal nach unten in eine Klemmstellung bewegt wird, in der er das Tragseil 21 sowohl im ersten Klemmbereich 59 als auch im zweiten Klemmbereich 60 festklemmt.The clamping
Zum Lösen der Seilklemme 28 ist unterhalb der unteren Endfläche 51 des Klemmkeils 43 eine Freigabeeinrichtung angeordnet, die im dargestellten Ausführungsbeispiel als hydraulisch beaufschlagbares Kolben-Zylinderaggregat 72 ausgestaltet ist. Mit Hilfe des Kolben-Zylinderaggregats 72 kann der Klemmkeil 43 angehoben werden, so dass er aus seiner Klemmstellung in eine Freigabestellung übergeht. In der Freigabestellung des Klemmkeils 43 kann das Tragseil 21 durch die Seilklemme 28 hindurchlaufen, so dass beim Versetzen der Aufzuganlage 10 im Schacht 12 die wirksame Länge des Tragseils 21, wie voranstehend bereits erläutert, vergrößert werden kann.To release the
Wie aus
Durch den Einsatz der Umlenkeinrichtung 54 kann das Tragseil 21 an zwei Klemmbereichen 59, 60 festgeklemmt werden, die in vertikaler Richtung auf derselben Höhe angeordnet sind. Dies verleiht der Seilklemme 28 eine besonders kompakte Ausgestaltung, so dass sie im Maschinenraum 14 der Aufzuganlage 10 nur einen sehr geringen Montageraum erfordert.By using the
Claims (15)
- Cable clamp for a cable of an elevator system (10), in particular for a support cable (21) of an elevator system (10) which is installed in a shaft (12) of a building under construction, having a bearing unit (34) which has a wedge mount (40), having a first bearing face (45) and a second bearing face (46) which is disposed at an angle to the first bearing face (45), and having a wedge-shaped clamping unit (43) which is movable to-and-fro in the wedge mount (41) between a clamping position and a releasing position wherein the cable clamp (28) comprises a deflection unit (54) and a first clamping region (59), which is disposed between a first clamping face (48) and the first bearing face (45), and a second clamping region (60) which is disposed between the second clamping face (49) and the second bearing face (46), wherein the cable to be clamped is guidable between the two clamping regions (59, 60) and by means of the deflection unit (54) is deflectable from the first clamping region (59) to the second clamping region (60) and wherein the two clamping faces (48, 49) are obliquely oriented in relation to one another, characterized in that,
the wedge-shaped clamping unit has the first clamping face (48) which is opposite the first bearing face (45) and the second clamping face (49) which is opposite the second bearing face (46) - Cable clamp according to Claim 1, characterized in that the two clamping regions (59, 60) in the use position of the cable clamp are disposed at the same height in relation to the vertical.
- Cable clamp according to Claim 1 or 2, characterized in that the clamping unit has a clamping wedge (43).
- Cable clamp according to Claim 1, 2, or 3, characterized in that the deflection unit (54) is held on the clamping unit (43).
- Cable clamp according to one of the preceding claims, characterized in that the deflection unit (54) has a rotatably mounted deflection roller (55).
- Cable clamp according to Claim 5, characterized in that the diameter of the deflection roller (55) is at least as large as the spacing between the ends of the two clamping regions (59, 60) which face the deflection roller.
- Cable clamp according to one of the preceding claims, characterized in that the two bearing faces (45, 46) and the two clamping faces (48, 49) have groove-shaped depressions (74, 75) which are placeable against the cable surface.
- Cable clamp according to Claim 7, characterized in that the depressions (74, 75) are placeable in a form-fitting manner against the cable surface.
- Cable clamp according to one of the preceding claims, characterized in that for loosening the cable clamping action, the cable clamp (28) has a manually, electrically, pneumatically or hydraulically actuatable releasing unit.
- Cable clamp according to Claim 9, characterized in that the releasing unit has a piston-and-cylinder assembly (72) which is impingeable by a pressure means.
- Cable clamp according to one of the preceding claims, characterized in that the bearing unit (34) has two bearing arms (35, 36) which are rigidly interconnected by way of two connection members (37, 38) and in each case define one bearing face (45, 46), and that the clamping unit has a clamping wedge (43) which is disposed between the two bearing arms (35, 36) and the two connection members (37, 38) and which comprises two clamping faces (48, 49) which in each case face one bearing face (45, 46).
- Elevator system having a drive unit (18) which by way of a support cable (21) is linked to a car (23) which is upwardly and downwardly displaceable in a vertical shaft (12), and having a cable drum (30) onto which an end portion of the support cable (21) is wound, and having a cable clamp (28) according to one of the preceding claims.
- Elevator system according to Claim 12, characterized in that the cable drum (30) is disposed in a storage region within or outside the shaft (12).
- Elevator system according to Claim 12 or 13, characterized in that the drive unit (18) and the cable clamp (28) are disposed in a machine room (14) of the elevator system (10) which is temporarily fixed in the shaft (12).
- Elevator system according to Claim 12, 13, or 14, characterized in that the support cable (21) is guided via at least one deflection element (62, 63) to a clamping region (60) of the cable clamp (28).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102012111778.0A DE102012111778A1 (en) | 2012-12-04 | 2012-12-04 | Rope clamp and lift system with rope clamp |
PCT/EP2013/074872 WO2014086639A1 (en) | 2012-12-04 | 2013-11-27 | Cable clamp, and lift system having a cable clamp |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2928806A1 EP2928806A1 (en) | 2015-10-14 |
EP2928806B1 true EP2928806B1 (en) | 2020-04-15 |
Family
ID=49674305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13796068.8A Active EP2928806B1 (en) | 2012-12-04 | 2013-11-27 | Cable clamp, and lift system having a cable clamp |
Country Status (8)
Country | Link |
---|---|
US (1) | US20160200550A1 (en) |
EP (1) | EP2928806B1 (en) |
KR (1) | KR20150092230A (en) |
CN (1) | CN104955759A (en) |
BR (1) | BR112015012888A2 (en) |
CA (1) | CA2893305A1 (en) |
DE (1) | DE102012111778A1 (en) |
WO (1) | WO2014086639A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012111622A1 (en) * | 2012-11-29 | 2014-06-05 | Thyssenkrupp Elevator Ag | Elevator installation for a building under construction |
TWI703081B (en) * | 2015-12-22 | 2020-09-01 | 瑞士商伊文修股份有限公司 | Lift system,method for setting a length of a section of a traction medium in a reservoir with such a lift system and use of a reservoir |
JP6288162B2 (en) * | 2016-05-25 | 2018-03-07 | 三菱電機ビルテクノサービス株式会社 | Adjustable rope replacement tool |
CN105947849A (en) * | 2016-06-27 | 2016-09-21 | 黎志强 | Construction lift |
EP3819245A1 (en) * | 2019-11-08 | 2021-05-12 | KONE Corporation | An elevator |
EP4228988A1 (en) * | 2020-10-13 | 2023-08-23 | KONE Corporation | Method for constructing an elevator, guide rail installation apparatus, guide rail installation arrangement and method for installing a guide rail of an elevator |
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DE3071992D1 (en) * | 1979-11-03 | 1987-08-20 | Westfaelische Berggewerkschaft | Cable clamp for shaftwinding plants |
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DE3823854A1 (en) * | 1987-07-15 | 1989-02-02 | Heuer Hammer Gmbh & Co Kg | Clamping thimble |
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US5217091A (en) * | 1992-10-20 | 1993-06-08 | Otis Elevator Company | Mechanical overspeed safety device |
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GB9606155D0 (en) * | 1996-03-23 | 1996-05-29 | Gripple Ltd | Devices for clamping wires etc |
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JPWO2006114872A1 (en) * | 2005-04-20 | 2008-12-11 | 三菱電機株式会社 | Lifting device for elevator |
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WO2011114514A1 (en) * | 2010-03-19 | 2011-09-22 | 三菱電機株式会社 | Wedge type rope fastening device for elevator |
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EP3098192B1 (en) * | 2015-05-25 | 2017-12-20 | KONE Corporation | An arrangement and a method for installing or uninstalling elevator ropes |
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2012
- 2012-12-04 DE DE102012111778.0A patent/DE102012111778A1/en not_active Ceased
-
2013
- 2013-11-27 CA CA2893305A patent/CA2893305A1/en not_active Abandoned
- 2013-11-27 EP EP13796068.8A patent/EP2928806B1/en active Active
- 2013-11-27 US US14/649,023 patent/US20160200550A1/en not_active Abandoned
- 2013-11-27 BR BR112015012888A patent/BR112015012888A2/en not_active IP Right Cessation
- 2013-11-27 WO PCT/EP2013/074872 patent/WO2014086639A1/en active Application Filing
- 2013-11-27 KR KR1020157017447A patent/KR20150092230A/en active Search and Examination
- 2013-11-27 CN CN201380071009.5A patent/CN104955759A/en active Pending
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
KR20150092230A (en) | 2015-08-12 |
EP2928806A1 (en) | 2015-10-14 |
WO2014086639A1 (en) | 2014-06-12 |
DE102012111778A1 (en) | 2014-06-05 |
BR112015012888A2 (en) | 2017-07-11 |
CN104955759A (en) | 2015-09-30 |
US20160200550A1 (en) | 2016-07-14 |
CA2893305A1 (en) | 2014-06-12 |
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