EP2874933A1 - Aufzugsanlage mit sicherheitsvorrichtung - Google Patents
Aufzugsanlage mit sicherheitsvorrichtungInfo
- Publication number
- EP2874933A1 EP2874933A1 EP13737825.3A EP13737825A EP2874933A1 EP 2874933 A1 EP2874933 A1 EP 2874933A1 EP 13737825 A EP13737825 A EP 13737825A EP 2874933 A1 EP2874933 A1 EP 2874933A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- counterweight
- safety device
- elevator
- bearing part
- trigger element
- 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.)
- Granted
Links
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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B15/00—Main component parts of mining-hoist winding devices
- B66B15/02—Rope or cable carriers
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
-
- 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
Definitions
- the invention relates to an elevator installation and to a method for the relative position monitoring of components in an elevator installation according to the preamble of claim 14.
- the invention is intended to ensure monitoring of the operation of a deflection roller assigned to a counterweight of a suspension element of the elevator installation.
- the elevator installation comprises a component formed by a counterweight, to which a relatively fixed component formed by a bearing part of a deflection roller assigned to the counterweight is fastened in a predetermined desired position.
- the safety device is designed and arranged in such a way that a positional deviation of the stationary component (i.e., the bearing part) from the desired position with respect to the component (i.e., the counterweight) can be monitored, whereby an alarm signal can be generated when a predeterminable positional deviation from the safety device is exceeded.
- the elevator installation is characterized in that the safety device is designed and arranged such that the positional deviation which can be monitored by the safety device comprises a rotation of the stationary component with respect to the counterweight to which it is fastened.
- the safety device could also be designed such that a translation of the bearing part or possibly additionally of another component can be monitored.
- a relatively fixed component is presently referred to a component which is rigidly mounted in the operative state with respect to the component to which it is attached.
- a mobility relative to the component is provided neither during operation nor out of service.
- the fixed component may be releasably secured, for example for maintenance purposes.
- Such rigidly mounted components may, for example, be screwed tightly to the component, riveted, welded or have a press fit.
- the component to which the component is fixed relatively fixed can be arranged movably in the elevator system.
- Alarm signal here refers generally to a signal generated by the safety device, which can be utilized in different ways by other units of the elevator system.
- the alarm signal can be forwarded to a control of the elevator installation, which blocks operation of the elevator system as a result of the alarm signal, for example in an emergency shutdown or an emergency stop. It is also conceivable that, for example, only or additionally an acoustic or visual alarm is triggered, if the positional deviation of the monitored component does not result in an immediate safety risk.
- the safety device may include an alarm device, which further processes the alarm signal. In principle, it is also conceivable, for example, to only register the alarm signal and, for example, store it in a memory.
- a desired position of the relatively stationary component denotes a position in which it, in the context of a manufacturing or installation tolerance, in operating condition on the component (that is, the counterweight) is fixed.
- positional deviations from this desired position may generally occur in the course of operation, which pose no safety risk and therefore do not have to result in an alarm signal.
- Due to the predeterminable positional deviation at which the alarm signal is generated a range of tolerable positions around the desired position is thus definable. Only when the predeterminable positional deviation is reached, the alarm signal is generated according to the invention. It is understood that, for safety reasons, the tolerable range which can be predetermined by the predefinable positional deviations is generally narrow for safety reasons.
- a corresponding safety device can be made particularly simple, since in the construction no relative movement has to be considered. Elements of the safety device can therefore be only mechanically negligible or not stressed during normal operation. This is also associated with little or negligible mechanical wear. Likewise, a comparatively low precision in the monitoring of a relatively fixed component is usually required. If such a component has once been released, this usually results in a comparatively significant change in position.
- the safety and security Device of the elevator system according to the invention provided monitoring is thus fundamentally different from known position monitoring, in which relatively moving components, for example, to determine a position of the car or its speed can be precisely monitored.
- a rotation i. a rotation of the relatively fixed component relative to the component formed by the counterweight, to which the component formed by the bearing member is attached
- a translation i. a shift of the component relative to the component monitored.
- the safety device is versatile in the elevator system used.
- the safety device is also suitable for relatively fixed bearing parts of pivot bearings, such as pivot bearings. Axle body or bearing sleeves suitable. On such bearing parts can act large torques in case of failure of the bearing, which can solve the attachment of the relatively fixed bearing part.
- Additional monitoring of translation i. a shift of the component relative to the component, ensures additional security even with rotary bearings.
- monitoring both rotation and translation, or a combination of both may be beneficial to any type of relatively stationary component. Depending on the type of component, e.g. In the case of only statically loaded components, it may be sufficient to monitor only one translation.
- the safety device of the elevator installation according to the invention is suitable for monitoring fixed bearing parts of rotatingly mounted elements.
- the fixed component according to the invention is a bearing part of a rotary bearing, in particular an axle body, a deflection roller, which is rotatably mounted on the bearing with respect to the component at this. It is understood that depending on the design of the pivot bearing, other relatively fixed parts of rolling bearings or plain bearings can be monitored such. Bearing sleeves.
- the fixed component is a bearing part of a deflection roller for a support means for supporting an elevator car.
- the support means is connected via the pulley to the elevator car and wraps around the pulley at least partially.
- suspension cables, straps or Straps are used as a support means.
- Such pulleys are used, for example in 2: 1 installations for the application in which the support means is fixed with both ends to the ceiling (pit head) of the elevator shaft, while cabin and counterweight depending hang by means of pulleys on the support means.
- Other possible suspensions are for example 4: 1 and 6: 1, which are usually used in goods lifts.
- the rotating element, whose bearing part is monitored for example, be a guide roller or a pivot lever.
- the counterweight on which the stationary bearing part is arranged, movably arranged in the elevator installation.
- the component is preferably movable in a straight line along a lift shaft.
- the component is a counterweight to the elevator car displaceable counterweight, which is connected via the suspension means to the elevator car.
- Such counterweights are often difficult to access, making maintenance difficult.
- a monitoring of the relatively fixed components with the safety device is particularly advantageous. It is understood, however, that the safety device could also be suitable for monitoring fixed components which are fastened to stationary components.
- the positional deviation from the desired position which can be monitored by the safety device preferably comprises a deviation component in the direction perpendicular to the direction of movement of the movable component.
- this deviation component can result from a rotation with respect to a geometric axis which is arranged perpendicular to the direction of movement or else additionally a translation.
- the safety device comprises a detection element for detecting the positional deviation of the fixed bearing part of the counterweight deflection roller from the desired position and a triggering element which can cooperate with the safety device for triggering the alarm signal.
- Detection element and triggering element are arranged and designed such that they can cooperate at least when reaching the predetermined positional deviation of the fixed bearing part of the target position for triggering the alarm signal.
- the elements can be arranged on different components of the elevator installation.
- the detection element can be mounted, for example, on the stationary bearing part of the counterweight deflection roller, while the triggering element is arranged stationarily in the elevator installation or on another component of the elevator installation (eg cabin).
- the detection element and trigger element are arranged contactless to each other when a positional deviation of the fixed bearing part is less than the predetermined position deviation. This is advantageous in the case of movable counterweights, since, with a suitable design and relative arrangement of the detection element and the triggering element, a movement of the counterweight is not hindered.
- Detection element and trigger element thus preferably cooperate only when the predeterminable relative positional deviation of the stationary bearing part has been reached.
- the interaction takes place due to a relative change in position of detection element and trigger element.
- the trigger element is stationary in the elevator installation, in particular in an elevator shaft.
- the trigger element can be equipped with elements of the security device stationarily mounted in the elevator installation, such as e.g. Switching devices or an alarm device interact in a simple manner, if necessary, also be directly connected.
- Such switching devices may be actuatable via the trigger element and in addition, e.g. provide a fastener for the trigger element. It is understood that, depending on the requirement, a movable arrangement of the trigger element is possible, in which case a connection to the safety device usually can be achieved only with additional effort.
- triggering element and detection element interact electrically, ie, for example, electrically close a circuit of the safety device upon contact and thus trigger the alarm signal.
- the detection element and the trigger element mechanically act upon reaching the predetermined positional deviation of the stationary bearing part of the desired position together such that on the detection element, a force on the trigger element can be generated. Due to the force effect, a switching device can be actuated to trigger the alarm signal, for example, by a change in position of the trigger element reached thereby.
- the mechanical interaction can take place either directly or indirectly.
- a tensile force in the trigger element can be generated during the interaction.
- the triggering element for example as a wire or push rod, wherein the tensile force can preferably be generated along the triggering element.
- the triggering element may, in the manner of a ripcord, be able to be ripped from a fastening or separated at a predetermined breaking point due to the force effect for actuating a switching device.
- the trigger element is therefore elongated and preferably extends along the elevator shaft.
- a design is particularly preferred in the case of a component which is movable along the elevator shaft and formed by the counterweight, in which case the trigger element can be arranged parallel to the direction of movement of the counterweight.
- the trigger element preferably extends substantially over the entire length of the elevator shaft, preferably substantially at least over the range of movement of the counterweight, on which the relatively fixed bearing part is arranged.
- the triggering element is preferably made relatively thin, e.g. as a thin rod or wire, so it can be accommodated to save space.
- a switching device of the safety device is arranged in an end region of the trigger element, which can be actuated via the trigger element.
- An arrangement of the switching device in an end region of the trigger element has the advantage that the switching device can be arranged stationary at an end-side attachment of the trigger element.
- the trigger element can be connected directly to the switching device in the end region, e.g. be attached to this.
- the actuation of the switching device can, as mentioned, e.g. in the manner of a ripcord or in the case of a rod-shaped design in the manner of a push rod.
- the switching device can also be arranged separately from the trigger element of this.
- the switching device can be actuated, for example via a driver of the trigger element.
- the actuation takes place in this case, for example, after a release of the trigger element, for example by mechanical separation due to a longitudinal displacement of the trigger element.
- the switching device can be arranged in variants in any area of the trigger element.
- a lateral deflection of the trigger element can be used to actuate the switching device, in which case the switching device can preferably be arranged in the region of the greatest deflection.
- the trigger element comprises a wire or a rope.
- a wire or rope can be easily attached e.g. install stationary in the elevator shaft.
- a wire or rope can be formed largely arbitrarily long, which is particularly advantageous for a trigger element, which extends over the entire length of a hoistway.
- the wire may be formed electrically conductive, for example as a metal wire (or wire rope).
- a circuit of the safety device can be closed.
- the circuit can be closed, for example, via a longitudinal guide of the counterweight to the safety device out.
- there may be a current flow in the wire which can be interrupted to trigger the alarm signal in the event of mechanical separation of the wire by the detection element.
- a trip element designed as a wire is also used when the alarm signal is triggered mechanically.
- no electrical conductivity is required, which is why, in principle, e.g. Also, a plastic wire or plastic rope can be used.
- the formation of the trigger element as a wire in this case has the advantage that a mechanical interaction of detection element and trigger element also allows deformation of the trigger element.
- the wire can be wound up by the detection element due to the positional deviation of the relatively stationary component, whereby a tensile force in the wire can be generated to trigger the alarm signal.
- the wire may e.g. also be severed directly from the detection element.
- the wire or rope is suspended on one side of a fixture in the elevator shaft and braced with a weight.
- the attachment can be made, for example, at a be placed in the shaft head of the elevator shaft, wherein the wire or rope from the weight hangs suspended in the elevator shaft.
- the wire or the cable may also be stretched between two fastenings in the elevator shaft.
- the fasteners can be arranged on the ceiling and floor of the elevator shaft or on a shaft wall. A tension in the wire can be achieved in this case, for example via a spring device.
- the fasteners may be provided, for example, by switching devices of the safety device, ie the wire may be attached directly to the switching devices.
- a predetermined breaking point is present in the region of the fastening or at least one of the fastenings of the wire or rope.
- This embodiment is particularly advantageous in a suspended in the elevator shaft wire, which is covered by a weight. If the additional force exerted by the detection element on the wire, the predetermined breaking point is separable and the wire is releasable. Due to the weight, the wire drops, causing the switching device e.g. via the wire itself or via the weight can be triggered.
- the predetermined breaking point may be formed on the attachment of the wire or on the wire itself.
- the wire may also be tensioned by a spring arrangement, which e.g. when releasing the wire also triggers the switching device.
- a predetermined breaking point for releasing the wire can also be advantageous in embodiments in which the wire is stretched between two fasteners.
- the detection element of the safety device is mechanically directly, in particular rigidly connected to the relatively fixed bearing part.
- a positional deviation of the stationary bearing part results in a direct change in position of the detection element, whereby this can cooperate with the correspondingly arranged release element.
- the detection element also indirectly, e.g. can be connected via a transmission with this fixed component.
- this usually requires more effort and may be more prone to malfunction.
- the detection element preferably has at least one driver for the triggering element. ment, which is movable in a position deviation from the desired position of the fixed bearing part to the trigger element.
- the driver may for example be designed as a rod or, for better entrainment of the trigger element, for example, also have a hook-shaped structure.
- the driver is in the desired position of the relatively fixed component and at a position deviation, which is smaller than the predetermined position deviation, preferably arranged contactlessly to the triggering element. Upon reaching the predetermined position deviation of the driver can take the trigger element and this example in the case of a wire wound or mechanically separating.
- the driver of the detection element is preferably fastened directly to the bearing part in the direction of the axis of rotation and spaced therefrom. With the eccentric arrangement achieved in this way, the driver can be brought to the triggering element due to a rotation of the component.
- the driver in particular elongated, lateral limiters, between which the trigger element, preferably non-contact, is arranged, at least when the fixed bearing part is in the desired position.
- the arrangement is also contactless, if a positional deviation of the relatively fixed bearing part is smaller than the predetermined positional deviation.
- the limiters are preferably arranged relative to each other rigidly and spaced from each other, thus forming a gap for the trigger element. In a rotation about an axis parallel to the limiters they can detect the trigger element and wind example in the case of a wire. By two limiters are present, the interaction of trigger element and detection element can be symmetrical, regardless of the direction of rotation.
- the driver may be formed, for example, as an eyelet or opening in the driver.
- the trigger element is preferably passed through the opening, so that upon rotation of the opening about an axis perpendicular to the opening plane, the border come into contact with the trigger element and can take this optionally.
- Other embodiments of fully enclosed openings are conceivable. examples For example, can be mounted on a front side of the fixed component spaced therefrom, an end plate via two acting as a lateral limiter bearing neck.
- the release means may be passed in this case through the so completely bordered space between the end plate and end face of the component.
- the driver may also include a wire loop surrounding the opening.
- the opening can also be formed directly in the stationary component itself, for example as a transverse bore in an axle body.
- the invention also relates to a method according to claim 14 for the relative position monitoring of components in an elevator installation with a safety device, in particular in an elevator installation according to the invention.
- the elevator installation comprises a component which is formed by a movable counterweight and to which a component which is relatively fixed relative to this component in a predetermined desired position is fastened, the mentioned component being a bearing part of a bearing of a deflection roller mounted on the counterweight.
- the method comprises monitoring a positional deviation of this fixed component from the desired position with respect to the counterweight with the safety device and triggering an alarm via an alarm device of the safety device when a predetermined relative positional deviation of the stationary bearing part with respect to the component is exceeded.
- the triggering of the alarm preferably takes place by mechanical interaction of a detection element of the safety device connected to the relatively stationary component with a triggering element of the safety device, in particular a stationary location in the elevator installation.
- the mechanical interaction is preferably carried out in such a way that a force action is generated on the trigger element, due to which a switching device of the alarm device is actuated.
- the method may also include an actuation of the switching device by closing or interrupting a guided through the trigger element circuit. Further method steps result from the present description of the elevator installation.
- FIG. 1 shows a view of an elevator system according to the invention with safety device
- FIG. 2a shows a view of a counterweight with deflection roller of an elevator system according to the invention
- FIG. 2b shows an enlarged detail of an end face of an axle body of the deflection roller of the counterweight of FIG. 2a;
- FIG. 3 a shows a view according to FIG. 2b in a plan view along an axis of rotation A with an axle body in the desired position;
- FIG. 3b View according to FIG. 3a with the axle body in a position deviating from the desired position.
- FIG. 1 shows a schematic view of an elevator installation 1 according to the invention with a safety device 2.
- the elevator installation comprises an elevator cage 3, which can be moved in an elevator shaft 4 in the vertical direction.
- a counterweight 5 is arranged, which is also displaceable in the vertical direction in a longitudinal guide 18.
- a support means 6 is firmly anchored to the ceiling 9 of the elevator shaft 4. From the attachment, the support means 6 extends in the vertical direction down to a guide roller 7 of the counterweight 5 and is half led around this. Of the guide roller 7, the support means 6 extends in the vertical direction upwards to a further guide roller 8, which is arranged stationarily in an upper region at the ceiling 9 of the elevator shaft 4.
- the support means 6 extends next to the elevator car 3 in the vertical direction down and is guided below the elevator car 3 via pulleys 3.1 from one side of the elevator car 3 to the opposite side. From there, the support means 6 in addition to the elevator car 3 in the vertical direction up to a further anchoring led to the ceiling 9 of the elevator shaft 4.
- This 2-in-1 (2-in-1) installation creates a simple pulley that can lift a double payload at half the speed of a 1: 1 direct-cab and counterweight installation via a stationary pulley.
- Parallel to a displacement of the counterweight 5 is designed as a wire 11 trigger element 26 of the safety device 2 between the ceiling 9 and the bottom 10 of the elevator shaft 4 is stretched.
- the wire rope 11 is attached to both the ceiling 9 and the bottom 10 to a respective switching device 12 and 13 of the safety device 2.
- the wire rope 11 may also be attached to a shaft wall, in which case, if necessary, the switching devices 12 and 13 of the shaft wall can be arranged (not shown).
- the attachments of the wire rope 11 to the switching devices 12 and 13 may have spring devices, which keep the wire 11 stretched.
- the switching devices 12 and 13 are designed such that at a sufficient tensile force along the wire rope 11, a switching operation can be triggered.
- the switching devices 12 and 13 are connected via signal lines 2.1 to a control unit 2.2 of the safety device 2.
- the control unit 2.2 generates during a switching operation in one or both of the switching devices 12 and 13 an alarm signal.
- the alarm signal can be forwarded, for example, to a control unit (not shown) of the elevator installation 1. It is understood that the control unit 2.2 of the safety device 2 can be integrated into the control unit of the elevator installation 1.
- the wire rope 11 extends in front of an end face of an axle body 15 (see FIG. 2b) of a bearing of the deflection roller 7.
- the axle body 15 is fixed relative to the counterweight 5 fixedly thereon.
- the axle body 15 is in a desired position, i. a position in which it is provided fixedly for operation provided.
- the deflection roller 7 is e.g. arranged rotatably about a geometric axis of rotation A via a roller bearing or a sliding bearing on the stationary axle body 15.
- the geometric axis of rotation A corresponds essentially to a longitudinal axis of the axle body 15.
- the wire rope 11 essentially intersects the axis of rotation A of the deflection roller 7 (see FIG. 2b). By the wire rope 11 parallel to the displacement of the counterweight 5 ange- It also cuts a distance of the wire rope 11 from the axle body 15 in the axial direction of A, ie, also in a direction perpendicular to the wire rope 11, regardless of a displacement position of the counterweight. 5 constant.
- the wire rope 11 can therefore in each shift position of the counterweight 5 by a relatively stationary formed on the counterweight 5 and edged in the direction perpendicular to the wire 11 opening 17 (see Fig. 2b) contact without contact.
- the opening 17 is bounded in the axial direction of A from an end face 15.1 of the axle body 15 and an end plate 16 spaced therefrom. It is understood that the end face 15.1 of the axle body 15 may be provided by a separate element, which is bolted to the axle body 15 on the front side or from the axle body 15 itself.
- the front plate 16 is designed as a horizontally arranged strip in the desired position of the axle body 15 and of bearing stubs 24 held at a distance from the end face 15.1 (see Fig. 2b).
- the bearing stubs 24 are arranged spaced apart on both sides of the wire rope 11 and form parts of a detection element 25 of the safety device second end 15.1, end plate 16 and bearing stub 24 limit the opening 17, the opening plane is arranged substantially perpendicular to the wire 11.
- the wire rope 11 passes without contact through the opening 17, when the axle body 15 is in the desired position (see Fig. 2b).
- FIG. 2a schematically shows an oblique view of the counterweight 5 of a slightly modified elevator installation 1 'according to the invention.
- the counterweight 5 is guided on guide shoes (not shown) on both sides in vertical guide rails of the longitudinal guide 18 slidably.
- the counterweight 5 has a holding structure 5.1 in the form of holding plates on which the axle body 15 is held relatively stationary with respect to the counterweight 5.
- the end face 15.1 of the axle body 15 projects beyond in the axial direction, i. in the direction of A, the support structure 5.1 and is about the counterweight 5 on.
- the arranged in front of the face 15.1 wire rope 11 thus extends completely outside of a range which is covered by the counterweight 5 at a shift.
- the wire rope 11 is in contrast to the elevator installation 1 suspended from a mounting 23 on the ceiling 9 of the elevator shaft 4.
- the attachment 23 comprises a predetermined breaking point 23.1, to which the wire rope 11 is attached.
- a weight 22 is suspended freely suspended from the wire rope 11.
- the wire rope 11 is braced by the attachment 23 in the vertical direction hanging from the weight 22.
- the wire rope 11 is attached via a driver 19 on the weight 22.
- the driver 19 is disposed directly above the weight 22 at this and has a lateral recess 20 with in the direction of the wire rope 11 symmetrically designed control surfaces.
- the driver 19 is guided in a longitudinal guide 21, so that the driver 19 in this area not laterally, i. perpendicular to the longitudinal direction of the wire rope 11, can escape.
- a switching device 13 ' is arranged, which protrudes with an actuating element in the recess 20. If a sufficiently large displacement of the driver 19 in the direction of the wire rope 11 relative to the longitudinal guide 21, i. relative to the switching device 13 ', the actuating element slides on the control surfaces of the recess 19.
- the driver 19 actuates the switching device 13 ', whereby a switching operation is triggered.
- the switching device 13 ' is connected via the signal line 2.1 to the control unit 2.2 of the safety device 2, which can generate an alarm signal as a result of the switching operation.
- FIG. 2b shows an enlarged detail of an oblique view of the front side 15.1 of the axle body 15.
- the end plate 16 arranged in the direction of A in front of the front side 15.1 can be seen with the bearing neck 24. Between the bearing neck 24 and the front side 15.1 and end plate 16 the wire rope 11 passes through Opening 17 therethrough.
- FIG. 3a shows a plan view of the end face 15.1 of the axle body 15 according to FIG. 2b along the axis of rotation A in the desired position.
- the two bearing stubs 24 are arranged with respect to A on both sides of the wire rope 11 and form lateral limiters of the detection element 25.
- the end plate 16 likewise forms a limiter in the axial direction of A.
- Figure 3b shows a view according to FIG. 3a, wherein the axle body is rotated about A in a position deviating from the desired position.
- a predeterminable positional deviation is exceeded, so that the detection element 25 interacts mechanically with the triggering element 26.
- This may be the case if, for example, a rolling bearing of the deflection roller 7, for example due to lack of maintenance on the axle body 15 seizes and the axle body 15 is rotated from its attachment.
- the bearing neck 24 come into contact with the wire 11 and take this with.
- the wire rope 11 is wound on the bearing nozzle 24 with a tensile force F along the wire rope 11 is generated.
- the pulling force triggers a switching operation in the switching devices 12 and / or 13.
- a corresponding switching signal is transmitted via the signal lines 2.1 to the control unit 2.2, which generates the alarm signal.
- the switching devices 12 and 13 may be formed such that the wire rope 11 is torn to trigger the switching operation in the manner of a rip cord.
- the tensile force F has the consequence that the predetermined breaking point 23.1 breaks and the wire rope 11 is thus released.
- the wire rope 11 and the weight 22 fall towards the ground 10 and moves the associated driver 19 downwards.
- the control surfaces of the recess 20 actuate the switching device 13 'and trigger a switching operation.
- a switching signal is transmitted via the signal line 2.1 to the control unit 2.2, which generates the alarm signal.
- the breaking point 23.1 should fail, if necessary, with sufficient tensile force F, the weight 22 against the force of gravity can be pulled upwards, whereby the driver 19 is moved upward.
- a switching operation in the switching device 13 ' can be triggered in this way also.
- the elevator systems 1 and 1 'shown in the figures are also suitable for embodiments in which a switching operation is triggered electrically.
- a switching operation is triggered electrically.
- contacts of a circuit of the safety device 2 for fastening supply of the wire rope 11 may be provided instead of the switching devices 12 and 13 of the elevator installation 1.
- the tensioned between these contacts wire 11 closes the circuit.
- the safety device can generate the alarm signal.
- a predetermined breaking point can be provided, for example, on the wire rope 11 itself or on the contacts.
- the bearing stubs 24 are suitable with appropriate training as electrical contacts for contacting the wire rope 11. If, for example, via the control unit 2.2 to the wire 11 and to the bearing stub 24 (for example, guided over the guide rails 18 and the counterweight 5 to the bearing neck 24) to a voltage potential, at an electrically conductive contact between the bearing neck 24 and wire 11 flow a current. Due to the current flow, an alarm signal can be generated by the safety device 2. In this case, no force is required on the wire rope 11. Further embodiments are directly accessible to the person skilled in the art.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13737825.3A EP2874933B1 (de) | 2012-07-18 | 2013-07-11 | Aufzugsanlage mit sicherheitsvorrichtung |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12176936.8A EP2687472A1 (de) | 2012-07-18 | 2012-07-18 | Aufzugsanlage mit Sicherheitsvorrichtung |
EP13737825.3A EP2874933B1 (de) | 2012-07-18 | 2013-07-11 | Aufzugsanlage mit sicherheitsvorrichtung |
PCT/EP2013/064665 WO2014012837A1 (de) | 2012-07-18 | 2013-07-11 | Aufzugsanlage mit sicherheitsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2874933A1 true EP2874933A1 (de) | 2015-05-27 |
EP2874933B1 EP2874933B1 (de) | 2016-04-20 |
Family
ID=46754284
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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EP12176936.8A Withdrawn EP2687472A1 (de) | 2012-07-18 | 2012-07-18 | Aufzugsanlage mit Sicherheitsvorrichtung |
EP13737825.3A Not-in-force EP2874933B1 (de) | 2012-07-18 | 2013-07-11 | Aufzugsanlage mit sicherheitsvorrichtung |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12176936.8A Withdrawn EP2687472A1 (de) | 2012-07-18 | 2012-07-18 | Aufzugsanlage mit Sicherheitsvorrichtung |
Country Status (9)
Country | Link |
---|---|
US (1) | US9580275B2 (de) |
EP (2) | EP2687472A1 (de) |
CN (1) | CN104540763B (de) |
AU (1) | AU2013292128B8 (de) |
BR (1) | BR112015000623A2 (de) |
CA (1) | CA2877808A1 (de) |
HK (1) | HK1207052A1 (de) |
SG (1) | SG11201408684XA (de) |
WO (1) | WO2014012837A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2576355T3 (es) * | 2012-06-29 | 2016-07-07 | Inventio Ag | Instalación de ascensor |
WO2017019236A1 (en) * | 2015-07-27 | 2017-02-02 | Wurtec Elevator Products & Services | Elevator counterweight signaling system |
EP3585952B1 (de) | 2016-03-11 | 2022-03-23 | Bruno Chavanne | Selbststehender und selbstisolierender gebäudeaufbau mit vakuumhülle, akkustrom |
CN107416628B (zh) * | 2017-08-30 | 2020-04-17 | 深圳市特种设备安全检验研究院 | 称取电梯轿厢和对重重量的称重装置 |
US20220281718A1 (en) * | 2021-03-05 | 2022-09-08 | Otis Elevator Company | Counterweight monitoring device |
CN113998556B (zh) * | 2021-11-24 | 2024-08-16 | 河南大亘计量检测研究院有限公司 | 限速器校验方法和装置及该装置校准设备和方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19514801A1 (de) | 1995-04-21 | 1996-10-24 | Wittur Aufzugteile Gmbh & Co | Verfahren zum Steuern und Überwachen des Betriebes einer Aufzugsanlage und Wälzlager zur Anwendung bei dem Verfahren |
CN1329273C (zh) * | 1998-02-26 | 2007-08-01 | 奥蒂斯电梯公司 | 带有位于顶部的驱动电机的电梯系统 |
US20040178398A1 (en) * | 2003-03-13 | 2004-09-16 | Miller Bradley D. | Spun-formed rotatable object with bearing and method of manufacture |
ZA200503649B (en) * | 2004-06-19 | 2006-02-22 | Inventio Ag | Drive for a lift installation. |
WO2006112008A1 (ja) * | 2005-04-13 | 2006-10-26 | Mitsubishi Denki Kabushiki Kaisha | エレベータ装置 |
CN2846376Y (zh) * | 2005-06-17 | 2006-12-13 | 周友仁 | 带防坠对滚轮的整体式自曳引垂直升降装置 |
WO2010121944A1 (de) * | 2009-04-20 | 2010-10-28 | Inventio Ag | Betriebszustandsüberwachung von tragmitteln in einer aufzugsanlage |
KR101234674B1 (ko) * | 2009-07-20 | 2013-02-19 | 오티스 엘리베이터 컴파니 | 건물 흔들림에 대한 내성이 있는 엘리베이터 탈선 검출 시스템 |
DE202009013349U1 (de) * | 2009-10-14 | 2011-02-17 | Greifzug Hebezeugbau Gmbh | Lasthebeeinrichtung und Steuereinrichtung hierfür |
CN201746192U (zh) * | 2010-07-30 | 2011-02-16 | 江南嘉捷电梯股份有限公司 | 电梯对重架上反绳轮的设置结构 |
SG191052A1 (en) * | 2010-12-07 | 2013-07-31 | Inventio Ag | Elevator system having a sound receiver for capturing solid-borne sound |
FI125623B (fi) * | 2011-10-25 | 2015-12-31 | Kone Corp | Taittopyöräjärjestely, hissi ja menetelmä |
CN102491142A (zh) * | 2011-11-28 | 2012-06-13 | 江南嘉捷电梯股份有限公司 | 电梯检测轿架或对重架上反绳轮滚动轴承使用状态的结构 |
-
2012
- 2012-07-18 EP EP12176936.8A patent/EP2687472A1/de not_active Withdrawn
-
2013
- 2013-07-11 AU AU2013292128A patent/AU2013292128B8/en not_active Ceased
- 2013-07-11 EP EP13737825.3A patent/EP2874933B1/de not_active Not-in-force
- 2013-07-11 CA CA2877808A patent/CA2877808A1/en not_active Abandoned
- 2013-07-11 BR BR112015000623A patent/BR112015000623A2/pt not_active IP Right Cessation
- 2013-07-11 US US14/413,741 patent/US9580275B2/en active Active
- 2013-07-11 WO PCT/EP2013/064665 patent/WO2014012837A1/de active Application Filing
- 2013-07-11 CN CN201380038067.8A patent/CN104540763B/zh not_active Expired - Fee Related
- 2013-07-11 SG SG11201408684XA patent/SG11201408684XA/en unknown
-
2015
- 2015-08-11 HK HK15107775.9A patent/HK1207052A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP2874933B1 (de) | 2016-04-20 |
AU2013292128B2 (en) | 2016-10-27 |
CN104540763A (zh) | 2015-04-22 |
HK1207052A1 (en) | 2016-01-22 |
SG11201408684XA (en) | 2015-02-27 |
US9580275B2 (en) | 2017-02-28 |
CA2877808A1 (en) | 2014-01-23 |
AU2013292128B8 (en) | 2016-11-24 |
AU2013292128A8 (en) | 2016-11-24 |
EP2687472A1 (de) | 2014-01-22 |
WO2014012837A1 (de) | 2014-01-23 |
AU2013292128A1 (en) | 2015-02-05 |
CN104540763B (zh) | 2017-02-22 |
BR112015000623A2 (pt) | 2017-06-27 |
US20150158698A1 (en) | 2015-06-11 |
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