EP2261162A1 - Raccordement d'extrémité de moyen de portage pour une installation d'ascenseur - Google Patents

Raccordement d'extrémité de moyen de portage pour une installation d'ascenseur Download PDF

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Publication number
EP2261162A1
EP2261162A1 EP09162377A EP09162377A EP2261162A1 EP 2261162 A1 EP2261162 A1 EP 2261162A1 EP 09162377 A EP09162377 A EP 09162377A EP 09162377 A EP09162377 A EP 09162377A EP 2261162 A1 EP2261162 A1 EP 2261162A1
Authority
EP
European Patent Office
Prior art keywords
support means
housing
tragmittelendverbindung
loop
suspension
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.)
Withdrawn
Application number
EP09162377A
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German (de)
English (en)
Inventor
Adrian Attinger
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.)
Inventio AG
Original Assignee
Inventio AG
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 Inventio AG filed Critical Inventio AG
Priority to EP09162377A priority Critical patent/EP2261162A1/fr
Publication of EP2261162A1 publication Critical patent/EP2261162A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B66B7/085—Belt termination devices

Definitions

  • the invention relates to a Tragstoffenditati, as well as an elevator system with such Tragstoffenditati and a method for attachment of support means to a Tragstoffenditati.
  • Areas of application for such a Tragstoffenditati are, for example, support and drive systems for cabins of passenger and goods lifts.
  • Elevator systems usually have an elevator car and a counterweight which are movable in an elevator shaft or along free-standing guide devices.
  • the elevator installation has a drive unit with at least one drive element in the form of a traction sheave, wherein the traction sheave transmits the required drive forces to the elevator car and the counterweight via at least one flexible suspension element.
  • Required additional deflections of the support means are usually realized by deflecting elements in the form of pulleys.
  • the suspension elements can either be attached directly to the elevator car and the counterweight, or in the elevator shaft or also to the guide devices.
  • the suspension elements are fastened to the cabin, the counterweight, the elevator shaft or the guide devices via suspension end connections.
  • the Tragstoffend be suspended for example via a threaded rod on a holding element.
  • EP 1254069 B1 is a Tragstoffenditati known in which the support means wraps around two wedges.
  • the wrap is S-shaped, so that the support means between the wedges and between the wedges and the adjacent housing walls is jammed.
  • a suspension element is placed in a first loop around a first loop element.
  • the support means is placed in a second loop around a second wrapping element, in order then to be guided again in a third loop, opposite to the first loop, around the first wrapping element. Due to the opposite looping of the first wrapping element results in a high frictional force between the opposing loops, so that the first wrap member receives a large part of the tensile load of the support means.
  • the first wrapping element is arranged to be movable, so that it is wedged under the tensile load of the support means in a wedge-like manner between the second wrapping element and the rear wall of the housing.
  • the above-described high frictional force between the oppositely guided loops can not be effective because the wedging action between the first movable wrapping member and the rear wall of the housing already absorbs the tensile load of the support means.
  • EP 2000431 A1 For example, an end connection and a method for attaching a suspension element of an elevator system are described. The wrapping takes place in the same way as in EP 1760027 A1 described.
  • a mark is mounted on the outside of a side wall of the housing, which marks the predetermined arrangement of the support means.
  • the first and / or the second loop element can be detachably received in the housing. After the looping of the support means of this releasable wrap is inserted through one of the two side walls, and then secured with the housing against displacement and rotation.
  • the present invention has as its object to provide a Tragstoffendinformation which holds the support means with increased security in the Tragstoffenditati.
  • the Tragstoffendtagen should also allow a simple and secure looping of the support means in the housing of Tragstoffenditati.
  • the suspension element end connection according to the invention for an elevator installation for fastening a suspension element to a support structure has a housing with two opposite side walls.
  • a first element for wrapping around the suspension element is at least partially looped around by a suspension element loop, and a second element for wrapping around the suspension element is received in this suspension element loop.
  • the first element is connected to the housing, the second element is arranged to be movable.
  • the second element received by the suspension element loop is storable by the first element and a lower web of the housing.
  • This arrangement of the support means in the TragstoffendENS has the advantage that the support means can be run in a simple manner in the Tragstoffenditati. Because only one of the elements to be wrapped is firmly connected to the housing, the support means must not be cumbersome around two elements around. It is sufficient to form a loop with the suspension means, and this loop around to put the firmly connected to the housing element. The second, free element is placed in the loop and then pulled into the housing until it rests firmly on the element connected to the housing and on a housing structure, such as a web.
  • This has the advantage that further items can be attached to the suspension element end piece before assembly (prefabricated), which have a cross section that would no longer allow the looping in of the suspension element end piece.
  • the tension members are usually not visible and therefore not visually inspect for defects, because they consist for example of several parallel strands, which are surrounded by a plastic sheath. Therefore, for monitoring the suspension element for defects, for example, connecting pieces are fastened to the suspension element such that individual strands of the suspension element can be electrically contacted. Since the attachment of such monitoring fittings may require special tools, it is advantageous if this can not be done in the assembly of the elevator, but in advance in the factory. As a result, the time required for mounting the suspension element in the elevator is additionally reduced.
  • the support means On the first, firmly connected to the housing element, the support means is in two opposing layers. Due to the opposition, there are high frictional forces between the superimposed layers of the support means, which are reinforced by the high contact pressure caused by the gravity of the car or the counterweight.
  • the second, free element has a similar effect as a wedge in a wedge lock. If the tensile force of the support means increases, then the second element is pressed more strongly into the taper between the first element and the web of the housing. As a result, the support means is more clamped and therefore better withstand increased traction.
  • This self-reinforcing effect serves in the present invention as a second security, in addition to the holding force of the opposing layers of the support means on the first, firmly connected to the housing element.
  • the method according to the invention for fastening a suspension element to a suspension element end connection comprises the following steps: laying a suspension loop around the first element; Arranging the second element in the support means loop; Tightening the support means loop with the second element received therein, so that the second element rests with the support means loop arranged thereon on the first element and on the lower web.
  • a Tragstoffendthetic having a housing comprising two side walls and a lower web, a housing connected to the first element and a second element used.
  • a suspension element end connection according to the invention is preferably used. This allows a simple and quick installation and ensures an improvement in safety.
  • the support means tail is not guided into or through the housing during attachment of the support means to the support means end connection.
  • FIG. 1 an elevator installation 20 is shown by way of example.
  • a shaft 22 In a shaft 22 are a car 24 and a counterweight 25, which are interconnected via one or more support means 2.
  • An attached to the shaft wall 23 drive 28 transmits via the drive pulley 27 driving forces on the support means 2 to move the car 24 and the counterweight 25.
  • the suspension element 2 is attached via a Tragstoffenditati 1.
  • the support means take over carrying and driving function, or even only one of the two functions.
  • the drive may be, for example, on the cab, up or down the shaft, or in a separate engine room.
  • the anchoring of the Tragstoffendtell 1 takes place in the illustrated embodiment via a threaded rod 29 and a retaining element 21 on the shaft wall 23.
  • the Tragstoffendtagen 1 can also be anchored elsewhere, e.g. by a direct connection, e.g. a welding, with a fixed structure of the elevator system.
  • the suspension element end connection 1 can also be anchored to a guide rail or to a support structure arranged in the shaft 22 or to an additional auxiliary construction (not shown).
  • the inventive Tragstoffendharm can be anchored to the cabin and / or on the counterweight (not shown).
  • support means 2 is typically a belt consisting of a Wermateand Mr.
  • the Switzerlandzanix extract preferably consists of parallel strands, which are made for example of steel wire or a synthetic fiber.
  • the jacket is preferably made of a plastic, wherein multiple layers of different materials can be used.
  • a rear side 19 of the support means 2 may be made of a different plastic than a traction side 18 of the support means 2, since the rear side 19 and the traction side 18 must meet different requirements. While certain frictional properties are important for the traction side 18, for example, longevity or rigidity may be the focus of the rear side 19.
  • the traction side 18 of the support means 2 is designed with longitudinal ribs in order to be able to optimally guide the belt on the deflection and drive rollers and to optimize the friction properties.
  • FIG. 6a an exemplary embodiment of a support means loop 12 is shown.
  • the support means 2 is folded close to one end of the support means 2, so that a loop with an eye 14 and a portion on which the support means 2 runs in opposite directions and substantially parallel arises.
  • the eye 14 of the support means loop 12 has a width 31.
  • This width 31 is dependent on the properties of the support means 2. In a belt with a strand thickness of 1.75 mm, the width 31 of the eye 14 is for example approximately 25 mm. If support means with other properties, for example with thinner or thicker strands, are used, it should be ensured that the width 31 of the eye 14 can have a different size. Consequently, it may be necessary to match the dimensions of the housing 3 of the suspension element end connection 1 to the properties of the suspension element 2, which is obvious to the person skilled in the art.
  • the exemplary suspension means end connection 1 comprises a housing 3 with a first side wall 9.
  • a second side wall 10 is juxtaposed with the first side wall 9. Belonging between the first side wall 9 and the second side wall 10 and also belonging to the housing 3, an upper web 11 and at least one lower web 6, 6 'extend.
  • the side walls 9, 10 and the webs 11, 6, 6 ' may be integrally formed, or consist of individual parts fastened together.
  • the housing 3 has an outlet opening 8 which extends between the lower webs 6, 6 'and the side walls 9, 10.
  • the housing 3 has at least one further open side which extends between the lower webs 6, 6 'and the upper web 11 and between the side walls 9, 10 is located.
  • the housing 3 has a first open side between a first lower web 6 and the upper web 11 and between the side walls 9, 10, and a second open side between a second lower web 6 'and the upper web 11 and between the side walls 9, 10.
  • This at least one further open side next to the outlet opening 8 facilitates the arrangement of the support means loop 12 in the Tragstoffenditati 1, as you can reach into the housing 3 with your hands at several points.
  • the webs 11, 6, 6 ' may be wider, so that the housing 3 - except for the outlet opening 8 - has closed walls.
  • the first element 4 and the webs 6, 6 'and 11 are arranged in the housing 3, that minimum distances between the first element 4 and the webs 6, 6' and 11 are greater than a width 31 of an eye 14 of the support means loop 12th (please refer FIG. 6a ).
  • This allows a looping of the support means loop 12 in the TragstoffendMIS 1 with the eye 14 ahead and around the first element 4 around.
  • the upper web 11 has a bore 7. This serves to attach the Tragstoffenditati 1 to other suspension structures (not shown). Typically, a threaded rod is threaded into the bore 7, which is then anchored in a mounting structure. Another function of the upper web 11 is to stabilize the housing 3.
  • the at least one lower web 6, 6 ' reinforces the housing 3.
  • the at least one lower web 6 holds, 6 'with inserted support means 2, the second element 5 back so that it can not be pulled out of the housing 3. If, as in FIG. 2 shown, two lower webs 6 and 6 'are provided, there is an outlet opening 8 between the side walls 9, 10 and the lower webs 6, 6'.
  • the outlet opening 8 is preferably used to introduce the support means 2 in the housing 3.
  • support means 2 in the TragstoffendENS 1 traverses a Tragstoffend adopted 13 and the tensile load of the car and the counterweight or by the driving force of the drive 28 under load part of the support means 2, the outlet opening 8.
  • a loop 12 of the support means 2 is arranged in the housing 3.
  • a first element 4 for wrapping around the suspension element 2 extends between the side walls 9, 10 of the housing 3.
  • the first element 4 is connected to the housing 3 in such a way that the first element 4 can not move relative to the housing 3.
  • the first element 4 and the housing 3 are integrally formed, e.g. from a casting.
  • the first element 4 is formed as a separate element which is non-displaceably connected to the housing.
  • the first element 4 is preferably designed as a cylinder. As in FIG. 5 shown, this cylinder may have a circular base surface 16. Alternatively, the base 16, for example, teardrop-shaped, oval, wedge-shaped, or egg-shaped.
  • the first element 4 can be designed as a hollow cylinder, or as a solid cylinder.
  • the surface of the The first element 4 may be smooth, or it may have a rough structure to increase the stiction. In this case, profile-like patterns can be used, such as transverse ribs or grooves.
  • a second element 5 for wrapping around the support means 2 also extends substantially between the side walls 9, 10 of the housing 3.
  • the second element 5 is not firmly connected to the housing, but only inserted into this.
  • the second element 5 is retained by at least one lower web 6, 6 'and the first element 4, so that the support means 2 can not be pulled out of the housing 3 and the second element 5 is not through a gap between the lower web 6, 6 'and the first element 4 can be pulled.
  • a minimum diameter of a base surface 16 of the second element 5 is preferably at least equal to a minimum distance between the first element 4 and the lower web 6, 6 '.
  • the second element 5 is preferably designed as a cylinder. As in FIG. 5 shown, this cylinder may have a circular base surface 15. Alternatively, the base 15 may for example also be teardrop-shaped, oval, wedge-shaped, or egg-shaped.
  • the second element 5 can be configured as a hollow cylinder, or as a solid cylinder.
  • the suspension element 2 can be arranged in the suspension element end connection 1 such that the first element 4 can be wrapped at least partially by a suspension element loop 12 formed by the suspension element 2, and that the second element 5 can be received in this suspension element loop 12. Accordingly, with respect to the pulling direction of the support means 2 two oppositely oriented portions of the support means 2 one above the other on the first element 4 can be arranged.
  • the traction side 18 of the support means 2 is located on an inner side of the support means loop 12, so that the second element 5 rests against the traction side 18 of the support means loop 12.
  • the suspension element 2 can also be arranged differently orientated in the suspension element end connection 1.
  • FIG. 5 the housing 3 of the Tragstoffenditati 1 with the first element 4, the support means 2, and the second element 5 are shown separately.
  • a side wall 9, 10 can only be connected to the rest of the housing 3 when the support means loop 12 has already been arranged around the first element 4. In this case, the support means loop 12 does not have to be guided through the outlet opening 8, but can be pushed laterally onto the first element 4.
  • FIGS. 6a to 6f single steps of an exemplary method for attaching a support means in a Tragstoffendriv are shown.
  • a loop 12 is first formed with the support means 2. This is preferably done by turning the support means 2 close to one end of the support means 2. This creates a support means loop 12 with an eye 14 and a portion in which the support means 2 is guided in parallel in opposite directions.
  • a fastening element 17 for example a cable tie, can be attached to the sections of the suspension element 2 which are guided in parallel in opposite directions. This fastening element 17 can facilitate the attachment of the support means 2 in the TragstoffendENS 1, but this method can also be performed without such a fastener 17.
  • the carrying means loop 12 preferably has a length of 10 cm to 100 cm, more preferably a length of 30 cm to 60 cm.
  • the eye 14 of the carrying means loop 12 preferably has a width of less than 6 cm, more preferably less than 5 cm or 4 cm or 3 cm.
  • the width 31 of the eye 14 is dependent on the strength of the strands in the support means 2. The larger the diameter of the strands in the support means 2, the greater the width 31 of the eye 14 of the support means loop 12.
  • the width 31 of the eye 14 is not be too large to allow the looping of the eye in the TragstoffendENS 1, and on the other hand, the strands of the support means 2 should not be too thin to achieve a predetermined tensile strength of the support means 2.
  • One Example of a suitable compromise are suspension elements with a strand diameter of about 1.73 mm.
  • Preferably strands are used with a diameter of about 1 mm to about 3 mm, more preferably strands with a diameter of about 1.5 mm to about 2.5 mm.
  • FIG. 6b It is shown how the support means loop 12 is inserted between the lower webs 6 and 6 'in the housing, and then out again between the first member 4 and the upper web 11 out of the housing.
  • the support means loop 12 is preferably performed with the eye 14 ahead through the housing.
  • the eye 14 of the support means loop 12 is then guided between the first element 4 and a lower web 6, 6 'across the housing.
  • the support means loop 12 through the outlet opening 8 (see FIG. 2 ) (not shown).
  • the eye 14 is thereby not covered by the side walls 9, 10, and the support means loop 12 now wraps around the first element substantially in half.
  • the second element 5 is placed in the eye 14 of the support means loop 12. This is preferably done by lateral insertion of the second element 5 substantially perpendicular to a plane in which the side walls 9, 10 of the housing.
  • FIG. 6e It is shown how the second element 5 is guided to its destination position in the housing of the Tragstoffenditati 1. Preferably, it is pulled to the support means 2 in the loading direction, and at the same time, the part of the support means loop 12, which protrudes from the Tragstoffenditati 1, pushed back into the Tragstoffenditati 1.
  • the second element 5 is in the Tragstoffendtell 1 at its destination position, where it prevents the support means 2 at unthreading from the Tragstoffenditati 1.
  • FIG. 6f shown is now the eye 14 of the support means loop 12 at a lower web 6, 6 'and the first element 4 at.
  • the passage between the first element 4 and a lower web 6, 6 ' is smaller than the width of the eye 14 with the second element 5 received therein.
  • a control aperture 30 may be provided in at least one of the side walls 9, 10 of the housing.
  • this inspection opening 30 is arranged such that a fitter can determine whether or not the second element 5 is at its destination position in the suspension means end connection (FIG. FIG. 6f ). Should the second element 5 not be visible through the inspection opening 30 after completion of the method for fastening a suspension element 2 in a suspension element connection 1, this is an indication that the suspension element and / or the second element were not correctly arranged in the suspension element end connection 1.

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  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
EP09162377A 2009-06-10 2009-06-10 Raccordement d'extrémité de moyen de portage pour une installation d'ascenseur Withdrawn EP2261162A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09162377A EP2261162A1 (fr) 2009-06-10 2009-06-10 Raccordement d'extrémité de moyen de portage pour une installation d'ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09162377A EP2261162A1 (fr) 2009-06-10 2009-06-10 Raccordement d'extrémité de moyen de portage pour une installation d'ascenseur

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EP2261162A1 true EP2261162A1 (fr) 2010-12-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110139551A1 (en) * 2009-12-10 2011-06-16 Adrian Attinger Suspension-means end-fastener with fixing element
WO2023126160A1 (fr) 2021-12-30 2023-07-06 Inventio Ag Système d'ascenseur et procédé de fonctionnement d'un système d'ascenseur
WO2024023194A1 (fr) 2022-07-28 2024-02-01 Inventio Ag Cabine d'ascenseur dotée d'au moins une unité de détection de mou de courroie d'ascenseur disposée sur une paroi latérale de cabine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493135A (en) * 1983-03-28 1985-01-15 The Crosby Group, Inc. Fitting for connection with web-type strapping
WO2003022723A1 (fr) 2001-09-06 2003-03-20 Otis Elevator Company Ensemble d'extremite d'element porteur d'elevateur a inserts de prehension
EP1254069B1 (fr) 2000-01-11 2004-03-31 Otis Elevator Company Dispositif embout de cable de tension plat et souple
EP1746061A1 (fr) 2005-07-22 2007-01-24 Inventio Ag Fixation de fin de courroie pour attacher la courroie d'un ascenseur
EP1760027A1 (fr) 2005-09-02 2007-03-07 Inventio Ag Dispositif de fin pour élément de suspension d'ascenseur
EP2000431A1 (fr) 2007-06-04 2008-12-10 Inventio Ag Connection terminale et procédé de fixation d'un moyen de transport de type courroie d'un système d'ascenseur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493135A (en) * 1983-03-28 1985-01-15 The Crosby Group, Inc. Fitting for connection with web-type strapping
EP1254069B1 (fr) 2000-01-11 2004-03-31 Otis Elevator Company Dispositif embout de cable de tension plat et souple
WO2003022723A1 (fr) 2001-09-06 2003-03-20 Otis Elevator Company Ensemble d'extremite d'element porteur d'elevateur a inserts de prehension
EP1746061A1 (fr) 2005-07-22 2007-01-24 Inventio Ag Fixation de fin de courroie pour attacher la courroie d'un ascenseur
EP1760027A1 (fr) 2005-09-02 2007-03-07 Inventio Ag Dispositif de fin pour élément de suspension d'ascenseur
EP2000431A1 (fr) 2007-06-04 2008-12-10 Inventio Ag Connection terminale et procédé de fixation d'un moyen de transport de type courroie d'un système d'ascenseur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110139551A1 (en) * 2009-12-10 2011-06-16 Adrian Attinger Suspension-means end-fastener with fixing element
US9004232B2 (en) * 2009-12-10 2015-04-14 Inventio Ag Suspension-means end-fastener with fixing element
WO2023126160A1 (fr) 2021-12-30 2023-07-06 Inventio Ag Système d'ascenseur et procédé de fonctionnement d'un système d'ascenseur
WO2024023194A1 (fr) 2022-07-28 2024-02-01 Inventio Ag Cabine d'ascenseur dotée d'au moins une unité de détection de mou de courroie d'ascenseur disposée sur une paroi latérale de cabine

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