EP1710193B1 - Dispositif de fixation pour les rails de guidages d'ascenseurs - Google Patents

Dispositif de fixation pour les rails de guidages d'ascenseurs Download PDF

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Publication number
EP1710193B1
EP1710193B1 EP05007285.9A EP05007285A EP1710193B1 EP 1710193 B1 EP1710193 B1 EP 1710193B1 EP 05007285 A EP05007285 A EP 05007285A EP 1710193 B1 EP1710193 B1 EP 1710193B1
Authority
EP
European Patent Office
Prior art keywords
springs
sleeve
arrangement according
dowel pin
spring
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.)
Expired - Fee Related
Application number
EP05007285.9A
Other languages
German (de)
English (en)
Other versions
EP1710193A1 (fr
Inventor
Andreas Kuzniar
Hans-Ferdinand Von Scholley
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.)
ThyssenKrupp Aufzugswerke GmbH
Original Assignee
ThyssenKrupp Aufzugswerke 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 ThyssenKrupp Aufzugswerke GmbH filed Critical ThyssenKrupp Aufzugswerke GmbH
Priority to ES05007285.9T priority Critical patent/ES2553988T3/es
Priority to EP05007285.9A priority patent/EP1710193B1/fr
Publication of EP1710193A1 publication Critical patent/EP1710193A1/fr
Application granted granted Critical
Publication of EP1710193B1 publication Critical patent/EP1710193B1/fr
Expired - Fee Related 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
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides
    • B66B7/023—Mounting means therefor
    • B66B7/024—Lateral supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/02—Guideways; Guides

Definitions

  • the present invention relates to a sleeve for receiving at least one spring, a spring arrangement, a fastening arrangement for fastening retaining elements, in particular retaining brackets for guide rails of elevators, and a method for fastening these retaining elements.
  • a known way of securing elevator parts, for example guide rails in a hoistway, is to fasten the guide rails to the wall with screws whose heads are arranged in anchor channels which are concreted in the wall.
  • this type of attachment is disadvantageous, however, that the position of the anchor rails must already be known at the time of concreting, and that the anchor rails must be so precisely concreted that a vertical course of the guide rails is guaranteed.
  • the guide rails are attached to holding elements, which in turn are anchored by dowels in the concrete.
  • These holding elements are provided with recesses which may be formed as holes or slots, but also in any other way in the holding elements.
  • the recesses are usually only slightly larger in at least one direction than the dowel extending through the recess.
  • the outer diameter of at least a portion of the dowel is greater than the smallest diameter of an associated recess of the retaining element. This makes it necessary to first mark the holes on the concrete with the aid of the holding element or a template, to remove the holding element or the template, then to put a hole in the concrete and then insert the dowel into the hole before the holding element can be placed over the dowel to the wall. Then the remaining parts of the mounting assembly are mounted, which is usually a screw with washers, which is inserted through the recess in the dowel and tightened.
  • a disadvantage of pre-plugging is that many assembly steps are needed to assemble the fastener assembly. In addition, it is necessary to carry out the assembly of the items in the elevator shaft. There is a risk that some of the items may be lost and replaced.
  • An advantage of the Vorsteckmontage is that large anchor diameters can be selected to accommodate large forces, but these large diameter result in that the holes deeper and the distances of the holes to each other and adjacent concrete edges must be greater. This leads to larger holding elements and limited choice of attachment location on the wall, which in turn is disadvantageous.
  • the diameter of the anchor is smaller than the smallest diameter of the recesses of Retaining elements. This makes it possible to first attach the retaining element to the wall, only then drill the hole through the recess of the retaining element and then to assemble the items of the mounting assembly. It is possible to mount the mounting arrangement before, so that the screw, washers and dowels are inserted together in the hole. Thereafter, the fastening arrangement only needs to be tightened. This results in a much simpler assembly process.
  • a disadvantage of the through-hole mounting is that the largest diameter of the anchor is limited to the smallest diameter of the recess and thus the absorbable force can not be chosen arbitrarily large. In order to perform a push-through method, so the dowel must not be greater than the corresponding recess, in which case the largest possible power transmission is to be achieved with the smallest possible dowel.
  • disc springs are used.
  • Several disc springs can be combined by arranging against each other or parallel arrangement further so that the combination results in a desired spring travel and a desired spring force.
  • a spring arrangement with the desired spring properties, i. Spring force and travel to provide.
  • By a higher uniform bias can be achieved that a smaller dowel outer diameter to accommodate the loads occurring is sufficient and thus a through-hole mounting is possible.
  • the disadvantage is that the assembly of the springs must be made on site. On the one hand often go some of the small individual spring elements lost, on the other hand, the springs often tilt on the thread of the screw. In addition, pushing the springs on the screw is a time-consuming fine work, which must also be performed in the elevator shaft.
  • the springs can also be combined incorrectly, which under certain circumstances also leads to lower preload forces and then represents a danger.
  • the dowels have been glued in the wall and the cavities between Wall, dowel and retaining element filled with material, eg plastic.
  • material eg plastic.
  • special tools and special material are necessary and the adhesive bonds for curing no low temperatures and no changing loads tolerate and that these adhesive anchors are quite expensive, so far no satisfactory solution has been achieved.
  • the document US 2,936,805 shows a bolt assembly with a sleeve and disc springs, wherein the disc springs are arranged on the sleeve and the sleeve so with a bore into which the bolt is inserted, engages that the disc springs between the element having the bore, and a flange of the Sleeve are arranged.
  • the document US 6,196,356 B1 shows an apparatus and method for attaching guide rails for elevators, wherein the guide rails can be fixed without welding and the attachment can withstand seismic loads.
  • the document EP 0 190 596 A1 shows a screw fastening assembly comprising a spring for biasing the screw fastening assembly in the installed state.
  • the sleeve serves to receive at least one spring with a passage, wherein the cross section of the sleeve is adapted to the cross section of the passage of the at least one spring.
  • the sleeve is provided with at least one slot which allows the sleeve to be compressed at one end and the at least one spring to be more easily slid.
  • the sleeve is provided with a continuous slot, so that a compression of the entire sleeve is possible.
  • the sleeve is preferably provided at least at one end with an outwardly projecting collar, which avoids that the springs can fall down after being pushed onto the sleeve.
  • the sleeve is preferably made of plastic.
  • the sleeve may be formed of metal or of a composite material.
  • the wall thickness of the sleeve can be formed arbitrarily thick, so that it is possible to adjust the wall thickness of the sleeve so that springs with a passage with a large diameter can be used together with dowels with a small diameter.
  • the spring arrangement according to the invention comprises a sleeve and at least one spring, which is held on the sleeve so that the sleeve and the at least one spring can be mounted together or form a mounting element.
  • the preferably several springs can thus all be pushed onto the sleeve and are held on it, so that there is a spring element that provides a desired spring force and a desired travel and can be used as a preassembled arrangement.
  • springs plate springs are preferably used.
  • the springs used are coil springs.
  • the fastening arrangement according to the invention for fastening retaining elements which have recesses, in particular retaining rails for guide rails of elevators on concrete walls includes a dowel having a wall-side end, a free end, a clamping portion at the wall-side end for clamping the dowel in a concrete wall, a threaded portion at the free end, a shank between the threaded portion and the clamping portion, and one of a screwed onto the threaded portion
  • Nut existing dowel head includes, and a spring assembly according to the invention, which is pushed onto the dowel.
  • At least one washer is further provided, which is pushed onto the dowel and rests against the spring assembly.
  • the dowel used is a steel anchor.
  • the diameter of the clamping region, the shaft and the threaded portion of the dowel is preferably substantially the same and nearly equal to or only slightly smaller than the smallest diameter of the recess of the retaining element. This makes it possible to first attach the retaining element to the wall and then insert the dowel through the recess in a provided in the wall bore, which is a prerequisite for through-hole assembly.
  • the diameter of the clamping region is greater than the diameter of the threaded portion of the anchor and the smallest diameter of the recess of the retaining element. Consequently, in this case, the dowel must be inserted into the wall before the holding element is attached to the wall, ie the attachment can be made only by means of Vorsteckmontage.
  • a method of attaching retaining elements having recesses, in particular retaining tracks for guide rails of elevators in concrete walls comprises the steps of providing the individual parts of a fastening arrangement according to the invention, marking the drilling site by means of a suitable template, drilling a suitable hole in the concrete wall, inserting the anchor of the fastener assembly into the bore, attaching a retaining member to the concrete wall with the associated recess over the anchor, assembling the remainder of the fastener assembly, and tightening the fastener nut until a desired clamping force is achieved.
  • This method allows the use of dowels having an outer diameter which is larger than the smallest diameter of the recess of the holding element, so that the assembly can be carried out as a Vorsteckmontage.
  • Another method of attaching retaining elements having recesses, in particular retaining tracks for guide rails of elevators on concrete walls comprises the steps of providing a preassembled mounting arrangement according to the invention, the attachment of a retaining element to the concrete wall, drilling a suitable bore through one of the recesses in the concrete wall, the insertion of the mounting assembly through the recess in the bore and the tightening of the nut of the mounting assembly until a desired clamping force is reached.
  • the mounting arrangement can be pre-assembled with taken in the elevator shaft. Due to the safe guidance of the springs by means of the sleeve tilting of the springs is prevented and their position accurately defined.
  • the invention is not limited to mounting brackets for guide rails of elevators.
  • the most diverse elevator parts can be used with holding elements in the context of the invention, in particular controls, drives, sleepers, etc.
  • the invention can be used to attach all types of objects to concrete walls.
  • FIG. 1 illustrates a sleeve 10 according to the invention in a preferred embodiment.
  • the outer diameter of the sleeve 10 substantially corresponds to the inner diameter of a spring 20 (FIG. FIG. 3 ) and is adapted in dimensions to the dimensions of the spring 20 so that the sleeve holds the springs on it.
  • the sleeve 10 has at each end an outwardly curved collar 14, which additionally secures the spring 20 located on the sleeve 20 against slipping.
  • the sleeve 10 is provided in the axial direction with two slots 12. The slots 12 allow the sleeve 10 to be compressed at the slotted end for sliding the springs 20.
  • disc springs are used, in the desired arrangement on the sleeve 10 are pushed and held by them.
  • the disc springs can each be arranged against each other or parallel to each other, which influences the spring travel or the spring stiffness of the entire spring assembly.
  • the arrangement of the springs 20 in the FIGS. 2 and 3 is merely an example of a possible arrangement, in principle, any spring combination is conceivable.
  • By postponing the in FIG. 2 and in FIG. 3 illustrated spring assembly 60 is formed.
  • the longitudinal axis of the sleeve 10 and the longitudinal axis of the disc springs have the same orientation, ie, the sleeve 10 and the springs 20 are arranged coaxially with each other.
  • the use of the sleeve 10 together with springs 20 for forming the spring assembly 60 according to the invention is basically not limited to the application example described.
  • the spring arrangement 60 according to the invention can be used in any other field and be advantageous. Wherever several springs 20 are to be arranged on or against each other, the sleeve 10 according to the invention and the spring assembly 60 using this provides a secure guidance of the springs 20 and defines the fixed position of the springs 20. If springs 20 are to be arranged on threads, then can be prevented by means of the sleeve 10 according to the invention and the spring assembly 60 according to the invention generally tilting of the springs with each other or in the thread.
  • the sleeve 10 is preferably made of plastic, but may also be formed of any other material.
  • the wall thickness of the sleeve 10 can be chosen arbitrarily strong. So it is possible to use different springs 20 with the same dowel or the same dowel with different springs 20.
  • the sleeve 10 takes on the additional function of an adapter piece.
  • a preferred embodiment of a fastener assembly 70 attaching a retainer 30 (shown broken away) to a wall (not shown).
  • the fastening arrangement 70 comprises a spring arrangement 60 according to the invention, which in turn preferably has a plurality of springs 20 and a sleeve 10 according to the invention.
  • the spring assembly 60 is slid onto a dowel 50, which in the preferred embodiment is a steel anchor having a wall-side end 51, a free end 52, a clamping portion 53 at the wall-side end 51 for clamping Dowel 50 in a concrete wall, a threaded portion 54 at the free end 52, a shaft 55 between the threaded portion 54 and the clamping portion 53 and a consisting of a screwed onto the threaded portion 54 nut 56 dowel head comprises.
  • the fastener 70 can be pre-assembled and taken in the assembled state by a fitter with in the elevator shaft.
  • the dowel 50 used is a steel anchor, but in principle any other suitable dowel shape can be used. These may be one-piece dowel-screw devices, but also mounting arrangements in which the dowel 50 and the screw are two separate elements. In this case, the screw can already partially be rotated into the dowel 50 during pre-assembly of the fastening arrangement 70, so that both parts hold together, but the dowel 50 does not spread apart.
  • fastening arrangement 70 is not limited to the present application example. It is basically any other use conceivable needed in the inventive mounting arrangements 70.
  • FIG. 5 shows a holding element or a retaining bracket 30 for a guide rail 40 of an elevator, which has recesses 32 and can be attached to the assembly site directly to the wall.
  • the recesses 32 are elongated holes, but they may also have a circular shape or any other suitable shape.
  • a hole of suitable depth is placed in the wall through the recess 32.
  • the number of recesses 32 is not limited to two, it is also only one or more than two recesses conceivable.
  • more than one fastening arrangement according to the invention can be arranged in a recess 32.
  • the preassembled mounting assembly 70 is inserted through the recess 32 in the bore and the nut 56 is tightened until a desired clamping force is reached.
  • the headband 30 can be quickly and easily mounted at its destination in the elevator shaft.
  • the design of the retaining bracket 30 and guide rails 40 is also not limited to the illustrated embodiment. Any suitable form is conceivable. So bpsw. the guide rail 40 and the holding member 30 may be formed integrally.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Dowels (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Claims (11)

  1. Agencement à ressorts ayant des ressorts (20) et un manchon (10) pour recevoir les ressorts (20) avec un passage, la section transversale du manchon (10) étant adaptée à la section transversale du passage des ressorts (20) et les ressorts (20) étant maintenus sur le manchon (10) de telle sorte que le manchon (10) et les ressorts (20) forment un élément d'ensemble, caractérisé en ce que le manchon (10) comporte, à chacune de ses extrémités, un rebord convexe vers l'extérieur (14), de manière à définir une position fixe des ressorts (20) et empêcher un coincement des ressorts (20).
  2. Agencement à ressorts selon la revendication 1, qui est muni d'au moins d'une fente (12) dans la direction axiale.
  3. Agencement à ressorts selon la revendication 2, qui est muni d'une fente continue (12) dans la direction axiale.
  4. Agencement à ressorts selon l'une des revendications précédentes, qui est formé à partir d'une matière plastique.
  5. Agencement à ressorts selon l'une des revendications précédentes, dans lequel les ressorts (20) sont des ressorts à lame.
  6. Agencement à ressorts selon l'une des revendications précédentes, dans lequel les ressorts (20) sont des ressorts hélicoïdaux.
  7. Agencement de fixation pour fixer des éléments de retenue (30) qui comportent des évidements (32), en particulier pour fixer des supports de retenue pour des rails de guidage d'ascenseur (40) sur des murs en béton, ayant
    - une goupille de positionnement (50) qui comporte une extrémité murale (51), une extrémité libre (52), une région de serrage (53) sur l'extrémité murale (51) pour fixer la goupille de positionnement (50) dans un mur en béton, une région filetée (54) sur l'extrémité libre (52), une tige (55) entre la région filetée (54) et la région de serrage (53), et une tête de goupille de positionnement constituée d'un écrou (56) vissé sur la région filetée (54), et
    - un agencement à ressorts (60) selon l'invention, tel que revendiqué dans l'une des revendications 1 à 6, qui est poussé sur la goupille de positionnement (50).
  8. Agencement de fixation selon la revendication 7, ayant au moins une rondelle (58) qui est poussée sur la goupille de positionnement (50) et porte contre l'agencement à ressorts (60).
  9. Agencement de fixation selon la revendication 7 ou 8, dans lequel la goupille de positionnement (50) est un ancrage en acier.
  10. Agencement de fixation selon l'une des revendications 7 à 9, dans lequel le diamètre de la région de serrage (53), de la tige (55) et de la région filetée (54) de la goupille de positionnement (50) est sensiblement égal au plus petit diamètre de l'évidement (32) dans l'élément de retenue (30).
  11. Agencement de fixation selon l'une des revendications 7 à 9, dans lequel le diamètre de la région de serrage (53) de la goupille de positionnement (50) est plus grand que le diamètre de la région filetée (54) de la goupille de positionnement (50) et du plus petit diamètre de l'évidement (32) dans l'élément de retenue (30).
EP05007285.9A 2005-04-04 2005-04-04 Dispositif de fixation pour les rails de guidages d'ascenseurs Expired - Fee Related EP1710193B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES05007285.9T ES2553988T3 (es) 2005-04-04 2005-04-04 Disposición de fijación para fijar raíles de guiado
EP05007285.9A EP1710193B1 (fr) 2005-04-04 2005-04-04 Dispositif de fixation pour les rails de guidages d'ascenseurs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05007285.9A EP1710193B1 (fr) 2005-04-04 2005-04-04 Dispositif de fixation pour les rails de guidages d'ascenseurs

Publications (2)

Publication Number Publication Date
EP1710193A1 EP1710193A1 (fr) 2006-10-11
EP1710193B1 true EP1710193B1 (fr) 2015-09-02

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ID=36096262

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05007285.9A Expired - Fee Related EP1710193B1 (fr) 2005-04-04 2005-04-04 Dispositif de fixation pour les rails de guidages d'ascenseurs

Country Status (2)

Country Link
EP (1) EP1710193B1 (fr)
ES (1) ES2553988T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011111298B4 (de) * 2011-08-26 2013-05-23 Osma-Aufzüge Albert Schenk Gmbh & Co. Kg Vorrichtung zur Halterung von Führungsschienen für Personen- und Lastenaufzüge
ES2505865B1 (es) * 2013-04-09 2015-08-11 S.A. De Vera (Savera) Fijación aislante para guías de ascensor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936805A (en) * 1955-12-27 1960-05-17 Aeroquip Corp Washer retainer
HU171437B (hu) * 1973-04-16 1978-01-28 Artur Fischer Ehlement dlja distancionnogo kreplenija oblicovochnykh plit ili stroitel'nykh konstrukcij k stenam i podobnym poverkhnostjam
IT1214937B (it) * 1985-01-31 1990-01-31 Morassutti Paolo Tassello ad espansione.
US6196356B1 (en) * 1999-08-24 2001-03-06 Terryle L. Sneed Method and apparatus for installing elevator car and counterweight guide rails
DE502004009875D1 (de) * 2003-06-25 2009-09-24 Inventio Ag Befestigungselement für Aufzugsführungsschienen

Also Published As

Publication number Publication date
ES2553988T3 (es) 2015-12-15
EP1710193A1 (fr) 2006-10-11

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