EP3181503A1 - Dispositif de reception de cable et installation d'ascenseur le comprenant - Google Patents

Dispositif de reception de cable et installation d'ascenseur le comprenant Download PDF

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Publication number
EP3181503A1
EP3181503A1 EP15200226.7A EP15200226A EP3181503A1 EP 3181503 A1 EP3181503 A1 EP 3181503A1 EP 15200226 A EP15200226 A EP 15200226A EP 3181503 A1 EP3181503 A1 EP 3181503A1
Authority
EP
European Patent Office
Prior art keywords
rope
safety
centrifugal force
speed
actuating 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
Application number
EP15200226.7A
Other languages
German (de)
English (en)
Other versions
EP3181503B1 (fr
Inventor
Frank Lülfing
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DualLift GmbH
Original Assignee
DualLift GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DualLift GmbH filed Critical DualLift GmbH
Priority to ES15200226T priority Critical patent/ES2966078T3/es
Priority to EP15200226.7A priority patent/EP3181503B1/fr
Priority to DK15200226.7T priority patent/DK3181503T3/da
Publication of EP3181503A1 publication Critical patent/EP3181503A1/fr
Application granted granted Critical
Publication of EP3181503B1 publication Critical patent/EP3181503B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • 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
    • 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
    • B66B9/16—Mobile or transportable lifts specially adapted to be shifted from one part of a building or other structure to another part or to another building or structure

Definitions

  • the present invention relates to a rope catching device for a lift with a safety rope, comprising a housing with a safety cable inlet and a safety cable outlet, a clamping device arranged in the housing, which is adapted to move from a release position in which the safety cable is movable relative to the clamping device.
  • the clamping device in particular non-positively or frictionally engages the safety cable, and arranged in the housing triggering device, which is adapted to the speed of the between the safety cable inlet and the Grasping catch rope outlet extending catch rope, and is operatively connected with a clamping device such that when a predetermined speed of the safety rope is exceeded, the clamping device is moved from the release position to the clamping position.
  • Rope catching devices for lifts are well known.
  • WO 2012/08449 such a rope catching device described.
  • Lifting systems can be equipped with these rope catching devices for intrinsic safety, in order to prevent the fall of a means of transport of the lift system in the event of the failure of the lift drive.
  • the above-described rope catching devices when transporting persons that is to say when the means of transport is a so-called person-receiving means.
  • hanging or hoistable person receiving means to which e.g. Work platforms, work baskets or work seats belong. These must be secured in the event that the support rope breaks or passes through the winch against accidental drops to protect persons within the pickup or even in the area.
  • rope catching devices are used. These rope catching devices can pick up the load of the person receiving means on a safety rope independent of the carrying rope and thereby secure the person receiving means against a fall.
  • Such rope catching devices are usually mounted directly on a person receiving means and drive, for example. on hanging in front of a facade wire cables together with the people receiving means up and down.
  • a rope catching device detects by means of the triggering device continuously the speed of his safety rope, e.g. via a feeler roller inside the rope catching device. Occurs in a hanging people receiving means now the case that the support rope ruptures or runs through, so is detected by the rope catcher overspeed and automatically closes the clamping mechanism of the rope catching device. As a result, the load of the person receiving means via the clamping mechanism of the rope catching device is collected by means of the safety rope and thus prevents a collapse of the person receiving means. As overspeed speeds are classified according to the EN 1808 from 30 m / min in. Only after the safety cable has been relieved can the system be used e.g. be manually unlocked using the hand lever and resume the person receiving means its operation, if the security is given again.
  • the invention has the object to improve a rope catching device of the type described in such a way that a functional test is made possible with less effort.
  • the invention has the object to improve the rope catching device to the effect that the functional test can be done without disassembling the rope catching device and / or the safety rope of the lift system.
  • the tripping device has a movable actuating element operable from outside the housing, which is coupled in a force-transmitting manner to the tripping device in such a way that the speed detected by the tripping device changes, in particular increases, as a function of the actuating speed of the actuating element.
  • the invention makes use of the knowledge that the previously required movement, and sometimes necessary disassembly of the safety rope to perform the functional check can be omitted if it succeeds in other ways to produce an accelerated movement of the triggering device.
  • the invention proposes to integrate an actuating element in the rope catching device, which causes a movement of the triggering device when actuated.
  • the force exerted by the actuator movement by means of power transmission the stronger the faster the actuator is moved.
  • the invention makes use of the fact that the triggering device is operated independently of the safety rope "from the other side", and thus a cumbersome movement of the safety cable can be omitted.
  • the invention is further developed in that the triggering device has a centrifugal force mechanism which is rotationally movable in dependence on the speed of the safety rope and is adapted to bring the clamping device into the locking position. Since most rope catching devices already use such a centrifugal mechanism, it is also possible with only slight structural interventions in the rope catching device to retrofit an actuating element with existing release devices of existing rope catching devices.
  • the centrifugal mechanism is preferably adapted to assume the coupling position as a function of its rotational speed as soon as the safety rope speed exceeds the predetermined value.
  • the tripping device is adapted to trigger according to standard EN1808 when exceeding a maximum permissible speed of 30 m / min of the safety rope and to bring the clamping device in the clamping position.
  • the actuator is substantially rotationally rigidly coupled to the centrifugal mechanism.
  • torsionally rigid coupling with the centrifugal mechanism is achieved that a movement of the actuating element is substantially one-to-one converted into a movement of the centrifugal mechanism.
  • the speed of actuation of the actuator can be pre-defined and adjusted to the value that would result in triggering of the trip device when the centrifugal mechanism and the trip device as a whole are operating properly.
  • the actuating element is designed as a shaft journal, which has a shaft end with a drive contour for transmitting torque.
  • the triggering device preferably has a sensing roller which is rotatable and drivably supported by the catching cable in the housing, and is coupled in a torsionally rigid manner to the centrifugal force mechanism.
  • the centrifugal mechanism has, in a preferred embodiment, a rotationally fixed to the actuating element connected to the first coupling member, and a relative to the actuating element rotatably mounted second coupling member.
  • the two coupling members are rotatably mounted coaxially.
  • the second coupling member could be mounted on the actuating element designed as a shaft journal.
  • the centrifugal mechanism on one or more centrifugal elements which are preferably mounted only pivotally on the first coupling member, and are pivotally mounted on the second coupling member and relative to the axis of rotation of the second coupling member radially slidably. If the centrifugal elements are moved by rotational drive of the first coupling member in a circle, they will dodge radially outward in response to the Zentripetalbeatung in the direction of acting as a dummy force centrifugal force. A Dodge at the first bearing point (the first coupling link) is not possible. However, due to the radially displaceable mounting on the second coupling member, the centrifugal force elements can escape radially outwards with the section mounted there. As a result, the centrifugal clutch expands radially outward during rotation.
  • the centrifugal force elements preferably have one or more drivers, for example in the form of serrated projections, which move radially outward as a result of the increasing rotational speed of the centrifugal force elements and come into contact with a force transmission element of the clamping device, for example a trigger lever in a coupling position.
  • the centrifugal mechanism is preferably designed so that the centrifugal force elements reach the coupling position when the maximum speed specified in EN1808 is reached or exceeded.
  • the centrifugal force element or the centrifugal force elements are coupled to a restoring spring, which is set up to apply a restoring force against the centrifugal force against the centrifugal force. This ensures that the centrifugal elements are returned to the uncoupled position when falling below the permissible maximum speed of the safety rope or when the lift system.
  • the rope catching device together with the lift system again perform their proper function.
  • the centrifugal clutch has an adjusting screw for adjusting the bias of the return spring.
  • the actuating element is coupled to a torque generator, the torque generator having a drive contour of the actuating element complementarily complementary drive contour, and is preferably selected from the list consisting of: rotary lever, handwheel, knob, or electric or pneumatic screwdriver.
  • the torque generator and the actuating element are preferably matched to one another such that the complementarily correspondingly formed drive contours have a geometric profile deviating from standard key dimensions.
  • the torque generator is coupled to the actuating element such that a torque takes place only in a first direction of rotation, while in the opposite second direction of rotation either no torque transmission takes place or a movement in the second direction of rotation is mechanically prevented.
  • the first direction of rotation, in which the torque can be transmitted, according to this embodiment is equal to the direction of rotation of the follower roller at Sinkiolo the rope catching device relative to the safety rope.
  • the invention further relates to a lift system, in particular passenger or freight lift installation, with a means of transport for receiving persons or loads, a drive device which is coupled to the conveyor and is adapted to selectively move the conveyor upward or downward, wherein the drive device in particular is designed as a cable winch, a carrying cable to which the drive device engages, a safety rope, and a rope catching device which is coupled to the means of transport, adapted to detect a relative speed between the conveyor and the safety rope and adapted to, by means of engagement of the safety cable to the means of transport stop as soon as a predetermined value of the relative speed is reached or exceeded.
  • a lift system in particular passenger or freight lift installation, with a means of transport for receiving persons or loads, a drive device which is coupled to the conveyor and is adapted to selectively move the conveyor upward or downward
  • the drive device in particular is designed as a cable winch, a carrying cable to which the drive device engages, a safety rope, and a rope catching device which is coupled to the means of transport,
  • the invention solves its underlying object in such a lift system by having a rope catching device, which is designed according to one of the preferred embodiments described above.
  • the lift system according to the invention has the same advantages and preferred embodiments as the rope catching device according to the invention, for which reason reference is made in this regard to the above statements.
  • FIG. 1 a rope catching device 1 is shown, which is prepared for mounting on a lift system.
  • the rope catching device 1 has a catching cable inlet 3 and a catching cable outlet 5 on a housing 7.
  • a safety cable 9 extends through the safety cable inlet 3 and the safety cable outlet 5 and extends here between inside the housing 7.
  • the rope catching device 1 has a locking lever 11 for manually triggering a clamping device (not shown) in the interior of the housing 7. Furthermore, the rope catching device 1 has an unlocking lever 13 for manually unlocking the clamping device in the interior of the housing 7.
  • actuating element 17 is arranged within the recess 15 such that it can be actuated from outside the housing 7 by means of a torque generator 19.
  • the actuating element 17 and the torque generator 19 have complementary corresponding drive contours, which enable a torque transmission to the actuating element.
  • the complementary corresponding attack profiles for the positive connection of the torque generator 19 are formed with the actuating element 17.
  • the safety cable 9 moves in the lifting operation of the lift ( FIG. 5 ) in the direction of the arrow A through the housing 7 of the rope catching device 1 therethrough.
  • a (not shown) follower roller is arranged, which bears against the safety cable 9 and is driven by the safety cable 9.
  • the follower roller 27 is substantially torsionally rigidly connected to a triggering device 23, which in the Figures 3 and 4 is shown in more detail.
  • FIG. 2 the rope catching device 1 is shown in perspective in an external view.
  • the safety rope 9 has been hidden for easier recognition.
  • the above explanations apply to FIG. 1 corresponding.
  • the housing 7 is divided into a housing rear wall 7b and a housing cover 7a.
  • the actuating element 17 extends through the recess 4 in the housing cover 7a, so that the end section of the actuating element provided with the drive contour can be attacked from outside by means of the torque generator 19.
  • FIG. 3 the housing 7 is shown with dismantled housing cover 7a, which releases the view of a triggering device 23.
  • the triggering device 23 has a centrifugal mechanism 25.
  • the centrifugal force mechanism 25, in turn, is connected in a torsionally rigid manner to the follower roller 27 (partially hidden).
  • the triggering device 23 comprises the actuating element 17, which is designed as a shaft journal, which has a shaft end 29, on which the drive contour is formed.
  • the drive contour is formed by two parallel flanks 31a, b.
  • the attack flanks 31a, b spaced from each other in a key width, which can not be positively gripped with standard tools to prevent incorrect operation by not properly trained operating personnel with non-professional tools as possible.
  • the centrifugal clutch 25 has a first coupling member 33, which is non-rotatably connected to the sensing roller 27 and the actuating element 17. Further, the centrifugal mechanism 25 on a second coupling member 35, which is rotatable, preferably coaxial with the first coupling member 33, is mounted on the triggering device 23.
  • the centrifugal force mechanism 25 has a first centrifugal force element 37a and a second centrifugal force element 37b.
  • At the centrifugal force elements 37a, 37b are each a plurality of carriers 39 in the form of radially outwardly extending projections.
  • the drivers 39 are adapted to engage in a coupling position of the centrifugal clutch 25 with a release lever 41 into engagement, which is a Actuation of the (not shown) clamping device effected in a well-known manner. Details on the kinematics arise FIG. 4 ,
  • centrifugal force elements 37a, b each mounted purely rotationally movable on the first coupling member 33, preferably by means of bearing pin 43rd
  • centrifugal force elements 37a, b are mounted on the second coupling member 35 in oblong holes 45a, b by means of correspondingly formed sliding blocks 47a, b.
  • the slots 45a, b extend in relation to a rotational axis R of the triggering device 23 in the radial direction.
  • the centrifugal force elements 37a, b at sufficiently fast rotation of the triggering device 23 and the follower roller 27 can give in that bearing portion of the centrifugal force in which the slots 45a, b are formed, and in which the second coupling member 35 relative to the first coupling member 33 is rotatably mounted, the driver 39 of the centrifugal force elements 37 a, b move radially outward with increasing speed of the centrifugal clutch 25. If the rotational speed of the centrifugal clutch 25 reaches or exceeds a predetermined value, for example 30 m / min in accordance with EN1808, the drivers 39 contact the release lever 41 and actuate the clamping device. This evasive movement as a result of the centrifugal force is effected either by the sensing roller 27 in normal operation, or by rotational movement of the actuating element 17th
  • the sliding blocks 47a, b, with which the centrifugal elements 37a, b are slidably mounted on the second coupling member 35 are connected by means of a return spring 48 designed as a tension spring, preferably biased.
  • a return spring 48 designed as a tension spring, preferably biased.
  • an adjusting screw 50 is arranged on the first sliding block 47a.
  • FIG. 5 a lift system according to a preferred embodiment of the invention is shown to illustrate the installation location of the rope catching device 1.
  • the lift system 100 has a conveyor 103, shown in the present example as a cabin for persons or loads. On the conveyor means 103, a drive device 105, preferably on the roof side, mounted. The drive device 105 is formed in the present example as a cable winch.
  • a rope catching device 1 is attached at the conveyor means 103.
  • the rope catching device 1 acts on a safety rope 9, which parallel to a support cable 109th is guided. On the support cable 109, the drive device 105 engages.
  • the rope catching device 1 is configured in the manner described above to detect the relative speed between it and the safety rope 9, in particular by means of the triggering device 23 according to FIGS Figures 3 and 4 , Upon reaching or exceeding a predetermined maximum speed, for example 30 m / min, the rope catching device 1 catches the conveyor 103 on the safety rope 9.
  • a tensioning weight 113 is attached, which tensions the supporting cable and keeps it in vertical alignment.
  • the rope catching device 1 is preferably mounted so that it is easily accessible by maintenance personnel. Access is preferably either from within the conveyance means 103 or from outside, for example from the roof of the means of transport 103.
  • the checking of the function of the triggering device 23 has been made possible from a particularly simple manner, that the actuating element 17 through the recess 15 through now accessible from the outside and can be actuated.
  • the operation of the function check is possible according to the invention in a fraction of the time previously required and can be carried out by an operator without accompaniment easily and reliably. This lowers the obstruction of each operator to carry out the prescribed daily working check process practically and leads to an overall significant improvement in the security situation wherever the lift system according to the invention is used with the rope catching device according to the invention.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Lowering Means (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
EP15200226.7A 2015-12-15 2015-12-15 Dispositif de reception de cable et installation d'ascenseur le comprenant Active EP3181503B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ES15200226T ES2966078T3 (es) 2015-12-15 2015-12-15 Dispositivo de retención de cable e instalación de elevación con el mismo
EP15200226.7A EP3181503B1 (fr) 2015-12-15 2015-12-15 Dispositif de reception de cable et installation d'ascenseur le comprenant
DK15200226.7T DK3181503T3 (da) 2015-12-15 2015-12-15 Rebsikkerhedsanordning samt elevatorinstallation med samme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15200226.7A EP3181503B1 (fr) 2015-12-15 2015-12-15 Dispositif de reception de cable et installation d'ascenseur le comprenant

Publications (2)

Publication Number Publication Date
EP3181503A1 true EP3181503A1 (fr) 2017-06-21
EP3181503B1 EP3181503B1 (fr) 2023-11-01

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Application Number Title Priority Date Filing Date
EP15200226.7A Active EP3181503B1 (fr) 2015-12-15 2015-12-15 Dispositif de reception de cable et installation d'ascenseur le comprenant

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EP (1) EP3181503B1 (fr)
DK (1) DK3181503T3 (fr)
ES (1) ES2966078T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3444215A1 (fr) * 2017-08-17 2019-02-20 Aip Aps Procédés et systèmes permettant de tester un dispositif antichute
DE102017122237A1 (de) * 2017-09-26 2019-03-28 Meb Safety Services Gmbh Mobile Sicherheitsprüfvorrichtung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit einer Fangvorrichtung einer seilgeführten Befahranlage
DE102017129372A1 (de) * 2017-12-11 2019-06-13 Wobben Properties Gmbh Aufstiegshilfe für eine Windenergieanlage und Windenergieanlage
CN111942990A (zh) * 2020-08-05 2020-11-17 锦州大可矿山机械制造有限公司 罐笼失速、断绳双重保护装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006056157A1 (de) * 2006-11-28 2008-05-29 Siemens Ag Hebevorrichtung
WO2012008449A1 (fr) 2010-07-14 2012-01-19 矢崎総業株式会社 Dispositif de détection de tension de bloc-piles
DE202011104298U1 (de) * 2011-08-12 2012-11-21 Liebherr-Mischtechnik Gmbh Betonmischanlage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006056157A1 (de) * 2006-11-28 2008-05-29 Siemens Ag Hebevorrichtung
WO2012008449A1 (fr) 2010-07-14 2012-01-19 矢崎総業株式会社 Dispositif de détection de tension de bloc-piles
DE202011104298U1 (de) * 2011-08-12 2012-11-21 Liebherr-Mischtechnik Gmbh Betonmischanlage

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3444215A1 (fr) * 2017-08-17 2019-02-20 Aip Aps Procédés et systèmes permettant de tester un dispositif antichute
WO2019034720A1 (fr) * 2017-08-17 2019-02-21 Aip Aps Procédés et systèmes de test d'un dispositif anti-chute
DE102017122237A1 (de) * 2017-09-26 2019-03-28 Meb Safety Services Gmbh Mobile Sicherheitsprüfvorrichtung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit einer Fangvorrichtung einer seilgeführten Befahranlage
DE102017122237B4 (de) 2017-09-26 2019-12-24 Meb Safety Services Gmbh Mobile Sicherheitsprüfvorrichtung zur Prüfung der ordnungsgemäßen Funktionsfähigkeit einer Fangvorrichtung einer seilgeführten Befahranlage
DE102017129372A1 (de) * 2017-12-11 2019-06-13 Wobben Properties Gmbh Aufstiegshilfe für eine Windenergieanlage und Windenergieanlage
WO2019115360A1 (fr) 2017-12-11 2019-06-20 Wobben Properties Gmbh Système d'aide à la montée pour une éolienne
JP2021505492A (ja) * 2017-12-11 2021-02-18 ヴォッベン プロパティーズ ゲーエムベーハーＷｏｂｂｅｎ Ｐｒｏｐｅｒｔｉｅｓ Ｇｍｂｈ 風力タービンの昇降補助具及び風力タービン
US11577935B2 (en) 2017-12-11 2023-02-14 Wobben Properties Gmbh Ascension aid for a wind turbine
CN111942990A (zh) * 2020-08-05 2020-11-17 锦州大可矿山机械制造有限公司 罐笼失速、断绳双重保护装置

Also Published As

Publication number Publication date
DK3181503T3 (da) 2023-12-11
ES2966078T3 (es) 2024-04-18
EP3181503B1 (fr) 2023-11-01

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