WO2019122183A1 - Dispositif de sécurité et procédé permettant de protéger une cabine, un contrepoids et/ou une masse d'équilibrage d'un ascenseur contre une chute pendant des travaux de réparation - Google Patents

Dispositif de sécurité et procédé permettant de protéger une cabine, un contrepoids et/ou une masse d'équilibrage d'un ascenseur contre une chute pendant des travaux de réparation Download PDF

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Publication number
WO2019122183A1
WO2019122183A1 PCT/EP2018/086287 EP2018086287W WO2019122183A1 WO 2019122183 A1 WO2019122183 A1 WO 2019122183A1 EP 2018086287 W EP2018086287 W EP 2018086287W WO 2019122183 A1 WO2019122183 A1 WO 2019122183A1
Authority
WO
WIPO (PCT)
Prior art keywords
securing
guide rails
car
counterweight
elements
Prior art date
Application number
PCT/EP2018/086287
Other languages
German (de)
English (en)
Inventor
Steffen Thon
Konrad KRAHL
Oliver LOCH
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
Publication of WO2019122183A1 publication Critical patent/WO2019122183A1/fr

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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
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B19/00—Mining-hoist operation
    • B66B19/02—Installing or exchanging ropes or cables

Definitions

  • the present invention relates to a safety device for securing a car, a counterweight and / or a balance weight of a lift from falling during repairs and a method for securing a car, a counterweight and / or a balance weight of a lift from falling down.
  • the guide rails can be caused by the lateral forces caused by the securing device (which act perpendicular to the longitudinal direction of the guide rails).
  • the guide rails are usually only for small (necessary for the guidance of the car) horizontal, i. perpendicular to the longitudinal direction of the guide rails or to the direction of movement of the car, acting forces and only for vertical occurring in case of a catch, i. along the longitudinal direction of the guide rails or along the direction of movement of the car, acting forces designed.
  • acting perpendicular to the longitudinal direction of the guide rails forces under unfavorable circumstances lead to damage to the guide rails. This, in turn, can lead, in the most unfavorable circumstances, to failure of the safety device.
  • a securing device for securing a traveling basket, a counterweight and / or a balance weight of a lift from falling during repair work or a method for securing a car, a counterweight and / or a balance weight of a lift from falling down be complied with according to the independent claims.
  • Advantageous embodiments are defined in the dependent claims.
  • a securing device for securing a car, a counterweight and / or a balance weight of an elevator from falling down during repair work comprising: fastening elements for securing the securing device to two guide rails of the elevator, and Securing elements for securing the car, the counterweight and / or the balance weight len before Herabfal, wherein the securing elements for connecting the car, the counterweight and / or the balance weight are formed with the fastening elements, characterized by a support member for connecting the two guide slide NEN perpendicular to the longitudinal directions of the two guide rails and for receiving forces acting perpendicular to the longitudinal directions of the two guide rails, wherein the longitudinal directions of the two guide rails parallel to Be extend the directions of the car.
  • the support element takes occurring forces that are perpendicular to the longitudinal direction of the guide rails or perpendicular to the direction of movement of the car or the counterweight (usually the weight of the car substantially completely compensates) or the balance weight (usually the weight of the car partially compensates), ie horizontal forces.
  • the direction of motion of the car is normally opposite parallel to the direction of movement the counterweight or balance weight, ie car, counterweight or balance balance usually move parallel to each other.
  • a drop of the car, the counterweight and / or the balance weight is essentially excluded in general.
  • the security device can be used both for securing a car from centrally or centrally operated elevators as well as for securing a car from unilaterally guided elevators or backpack elevators.
  • the securing device can typically be used both for guide rails whose rail heads are facing each other, and for guide rails whose rail backs are facing one another.
  • this safety device further safety measures may be present (eg a safety gear or supports under the car or the counterweight and / or the balance weight).
  • a method for securing a traveling basket, the counterweight and / or the balance weight of an elevator from falling down comprising the steps of: attaching fastening elements to guide rails of the elevator; Arranging a support element in such a way that the support element connects the two guide rails perpendicularly perpendicular to the longitudinal directions of the two guide rails, the longitudinal directions of the two guide rails extending parallel to directions of movement of the car; and connecting the car, the counterweight and / or the balance weight with the fasteners by means of securing elements.
  • the advantage of this is that typically by this type of Absichems the car, the counterweight and / or the balance weight rails damage to the guide, in particular bending of the guide rails is substantially prevented.
  • the support element takes by this kind of Absichems the car, the counterweight and / or the balance weight generally occurring forces acting perpendicular to the longitudinal direction of the guide rails or perpendicular to the direction of movement of the elevator car, the counterweight and / or the balance weight, ie horizontal forces , on.
  • bending is usually done by this method the guide rails safely prevented.
  • the counterweight and / or the balance weight is substantially excluded.
  • typically a failure of the Si insurance device in this method is essentially excluded.
  • this method can generally also be used for securing a car from centrally operated elevators as well as for securing a car from unilaterally guided elevators or backpack elevators.
  • this method can usually be applied both to guide rails whose rail heads face each other and to guide rails whose rail backs face each other.
  • the support element can be technically easily adjusted to the distance of the Füh approximately rails.
  • One advantage of this is that in general the security device can be technically easily attached to a plurality of different elevators with different distances of the rails and / or different sizes of the rails and / or different types of rails. Thus, usually only one support element for different or different elevators is required.
  • the securing device further comprises a test gauge for determining an angle of one of the securing elements relative to the longitudinal direction of the guide rail to which the securing element is attached.
  • a test gauge for determining an angle of one of the securing elements relative to the longitudinal direction of the guide rail to which the securing element is attached.
  • the securing elements each have a carrying loop for fastening the respective securing element on two opposite sides of the respective guide rail.
  • the support element comprises a telescopic rod.
  • the support element is designed such that a length of the support element can also be enlarged against a pressure along the length of the support element.
  • the support element can be generally biased technically easy. The advantage of this is that slippage of the support element is usually substantially prevented.
  • the support element and the Befest onlysele elements are formed such that the support element to the fastening elements be festigbar.
  • occurring horizontal forces i. Forces that are perpendicular to the longitudinal direction of the guide rails, usually very safe and reliable to be transferred between the guide rails.
  • the support element can be arranged to be particularly slip-resistant, so that an unintentional change in position of the support element is substantially excluded.
  • the fastening elements are fastened to the guide rails in such a way that the fastening elements are arranged directly adjacent to butt flaps of the guide rails.
  • the securing elements are put under mechanical stress after being connected to the car, the counterweight and / or the balance weight, in particular by shortening a length of a part of the respective securing element.
  • the safety device can usually carry the same design from a car, a counterweight and / or a balance weight with a higher weight.
  • the support element is fastened to the substantially same height as the fastening elements on the guide rails.
  • the securing elements each have a carrying sling, wherein a first end of the carrying sling is arranged on a first side of a first guide rail of the guide rails and a second end of the carrying sling opposite the first end is arranged on a second one of the first side of the first sling Guide rail opposite side of the first guide rail is arranged.
  • a symmetrical or uniform Belas direction of the guide rail is achieved on both sides of the guide rail.
  • damage to the guide rail is generally prevented even more secure.
  • an angle of one of the Sichanssele elements relative to the longitudinal direction of the guide rail on which the securing element is fixed determined by means of a test gauge.
  • test gauge may have a warning note such that angles below a minimum value (eg 5 °) and above a maximum value (eg 45 °) are marked as dangerous or forbidden (eg by a red area below the minimum value and above the maximum value), since at such angles too much stress on the support element can occur. Thus, usually the security is still increased wei ter.
  • a minimum value eg 5 °
  • a maximum value eg 45 °
  • the securing elements are attached to the car, the counterweight and / or the balance weight such that the
  • Each fuse elements have the same angle to the longitudinal direction of the guide rail NEN.
  • damage to the guide rails is generally prevented in a particularly secure manner.
  • This may in particular mean that the Sich ceremoniessele elements, which are attached to or with the car, each having the same angle to the longitudinal direction of the guide rails.
  • the Sich ceremoniessele elements which are attached to or with the counterweight, each having the same angle to the longitudinal direction of the guide rails.
  • the securing elements which are attached to or with the balance weight, each have the same angle to the longitudinal direction of the guide rails.
  • the support element is attached to the fastening elements Be.
  • Fig. 1 shows a side view of a first embodiment of the inventive Shen securing means
  • Fig. 2 shows a side view of a part of the securing device of Fig. 1;
  • FIG. 3 shows a plan view of a part of the securing device from FIG. 2 or
  • Fig. 4 shows a side view of a part of the securing device of Fig. 1;
  • Fig. 5 shows a plan view of a second embodiment of the invention
  • FIG. 6 shows a side view of the securing device from FIG. 5.
  • FIG. 1 shows a side view of a first embodiment of the safety device 10 according to the invention.
  • FIG. 2 shows a side view of a part of the safety device 10 from FIG. 1.
  • FIG. 3 shows a plan view of a part of the safety device 10 from FIG .
  • Fig. 4 shows a side view of a portion of the securing device 10 of FIG. 1st
  • the safety device 10 is used to secure or Absichem a car 60 or an elevator car, a counterweight and / or a balance weight from falling or falling during maintenance.
  • a counterweight usually compensates for the weight of the car substantially completely.
  • a balance weight usually compensates partially for the weight of the car.
  • the elevator car 60 or the elevator car can be cable-guided or moved hydraulically.
  • the car 60 When replacing the suspension means or hydraulic device (e.g., replacement of the hydraulic oil), the car 60 must be prevented from falling due to its weight.
  • usually two fuses Si used to achieve a redundancy.
  • the hedging device 10 according to the invention may be one of the two fuses.
  • the other fuse may e.g. include a safety gear or supports under the car.
  • the counterweight or balance weight may be repaired using another backup, e.g. Safety gear or supports, be secured. When repair work turd the counterweight or the balance weight by means of the securing device 10 can be secured against falling or sinking.
  • the securing of the car 60 by means of the securing device 10 is explained by way of example.
  • the explanations also apply to the securing of a counterweight or balance weight with the securing device 10.
  • a common safety device can be used or several safety devices 10, in particular independently of one another, can be used.
  • the securing device 10 comprises two securing elements 30, 31.
  • the securing elements 30, 31 may be formed substantially identical to each other.
  • the safety device 10 is or is provided by means of fastening elements, e.g. Stop plates 20, 21, attached to the guide rails 80, 81 of the elevator or elevator.
  • Guide rails 80, 81 form a guide for the car 60 during the up and down movement of the car 60.
  • the guide rails 80, 81 are above guide rail nenbügel 97, 98 attached to the shaft walls 95, 96.
  • the fastening elements or the stop plates 20, 21 are such on the Füh approximately rails 80, 81 attached, that the fastening elements or the stop plates 20, 21 each have direct contact with butt plates 90, 91 of the guide rails 80, 81.
  • the butt straps 90, 91 are arranged via joints or contact points of interconnected parts or sections of the guide rails 80, 81.
  • a fastening element or a stop plate 20, 21 is screwed to a back of the respective guide rail 80, 81 or fastened by means of fastening clamps 25-28.
  • the guide rails 80, 81 usually have a T-profile.
  • Dash or part of the capital letter T of the T-profile which is divided or touched by the other stroke of the capital letter T of the T-profile in its center, represents the backs of the guide rail 80, 81.
  • the dash of the capital letter T of T-profile contacting the other stroke of the capital letter T of the T-profile at its center forms the head 85, 86 of the respective guide rail 80, 81.
  • the heads 85, 86 of the guide rails 80, 81 face each other.
  • the two securing elements 30, 31 of the securing device 10 each comprise the following parts: two stop plates 20, 21, which are fastened on two opposite sides of the guide rail 80, 81.
  • Two attachment points 42, 43 on each other ent opposite sides of the guide rail 80, 81 each in the form of a metal bracket which is rotatably connected to the stopper plate 20, 21 about an axis and has a Ausspa tion.
  • the attachment point 42, 43 is in each case connected to a shackle 48, 49, which is hooked in the respective attachment point 42, 43.
  • the attachment point 42, 43 may each be a whirling block.
  • a first support loop or round sling 44 is arranged such that the shackles 48, 49 are connected to opposite "ends" of the first round sling 44.
  • the first round sling 44 essentially forms the shape of the capital letter U, where the first round sling 44 is open at the top.
  • the first round sling 44 is self-contained.
  • the round loop 44 runs twice at each point of its U-shaped form except for the reversal points, ie two parts of the round loop 44 run substantially parallel to one another.
  • a lashing chain 45 is mounted in the first round sling 44 .
  • the end of the lashing chain 45 connected to the first round 44 can thus move along the first round loop 44.
  • the first round sling 44 runs twice in the lashing chain 45. This can be clearly seen in FIG. 4.
  • the lashing chain 45 is in one of its parts or in one of its areas along the longitudinal direction of the lashing chain 45, which runs in Fig. 4 from top to bottom or vice versa, shortened and extendable. This means that the extent of the lashing chain 45 along its longitudinal direction is variable.
  • the lashing chain 45 has a lever 46,
  • the lashing chain 45 When turning the lever 46, 56 in one direction, the lashing chain 45 is extended and when turning in the other direction, the lashing chain 45 is shortened.
  • a retaining chain runs parallel to the shortenable part of the lashing chain 45. The retaining chain determines the maximum length of the shortenable part of the lashing chain 45.
  • Lift basket (or the balance weight or the counterweight) under mechanical (pre-) tension set.
  • the end of the lashing chain 45 which faces away from the end connected to the first round loop 44, is connected to or hooked into a second round loop 47.
  • the second round sling 47 is connected to the car 60 (or the Aus GmbHsge weight or the counterweight). This can e.g. done on an upper truss of the car 60. For this purpose, another shackle can be used in each case.
  • a balance weight or a counterweight can be a stable or rigid
  • the securing device 10 also includes a support element 50.
  • Das Support member 50 serves to connect the two guide rails 80, 81, to de nen the securing elements 30, 31 of the securing device 10 are attached. From the support member 50 is at the height of the stop plates 20, 21 horizontally and thus perpendicular to the longitudinal direction of the rails, ie the direction of movement of the car 60, respectively.
  • the support member 50 is at different distances of the Füh approximately rails 80, 81 to which the securing elements 30, 31 of the securing device 10 are attached, adjustable, in particular continuously adjustable. This means that the length of the support element 50, which extends perpendicular to the longitudinal direction of the guide rails NEN 80, 81, is increased and reduced in size.
  • the support member 50 receives forces perpendicular to the longitudinal direction of the Füh approximately rails 80, 81 act (forces Fx in Fig. 1), and thus prevents BeCdi movement of the guide rails 80, 81.
  • the guide rails 80, 81 are usually for low loads or Forces along their longitudinal direction, ie the direction of movement of the car 60, designed (forces Fy in Fig. 1), but not for larger Belastun conditions perpendicular to its longitudinal direction.
  • the support member 50 can be attached to eye bolts of the stopper plate 20, 21 is suspended. After hanging, the support member 50 can be screwed through a slot in the support member 50 to the stop plates.
  • the support member 50 is hand-biased by rotational movement of a knob between the guide rails 80, 81. By rotation, the length of the support element 50 is increased. Thus, the support member 50 is set under a small compressive stress.
  • the support member 50 may be, for example, a telescoping rod, whose length (which runs in Fig. 1 from left to right or right to left) is variable.
  • the support element 50 is arranged substantially horizontally at the level of the stop plates 20, 21. Subsequently, the length of the support member 50 is increased such that the support member 50 under a low mechanical
  • the support element 50 does not slip anymore.
  • the support element 50 can not be changed along its longitudinal direction by external pressure alone in its length or extent. Because the forces Fx on the a guide rail 80, 81, to which a securing element 30 is fixed, and on the other guide rail 80, 81 to which the other securing element 31 is attached, üb Licher way equal in magnitude but opposite to each other (see arrows at Fx in Fig. 1) the forces cancel, so that essentially no horizontal forces act perpendicular to the longitudinal direction of the guide rails 80, 81.
  • the support element 50 can roughly on the respective distance of the guide rails 80, 81 to which the securing device 10 and the securing elements 30, 31 are attached or be set. This means that the support element 50 is set to a length that is initially (slightly) less than the distance between the two guide rails 80, 81 to which the securing device 10 is attached, is then attached to the stop plates 20, 21 and Finally, by turning the knob from the supporting element 50 is extended until the support member 50 under low compressive stress ("hand-tight") by the guide rails 80, 81 is.
  • the angle between one of the securing elements 30, 31 of the securing device 10 and the vertical, i. The direction in which the guide rails 80, 81 run, should not fall below a certain first value (minimum value) and not exceed a certain second value (maximum value).
  • the securing device 10 therefore comprises a test gauge 55, by means of which the angle between one of the two securing units and the vertical can be easily determined.
  • the angle between the vertical and the two fuse units is usually the same size (as shown in Fig. 1). Therefore, it is sufficient to determine an angle between the fuse unit and the vertical (the longitudinal direction of the guide rails 80, 81).
  • the gauge 55 is placed with its edges against the guide rails 80, 81. Another edge of the exclehre 55 can at the (horizontal) Traverse of
  • one edge of the gauge 55 may be applied to the guide rail 80, 81 and another edge to a horizontally extending element of the weight.
  • different angles are entered by dashes and their angle value is in each case indicated such that the specified angle value can be uniquely associated with a bar.
  • the angles between 5 ° and 45 ° are indicated in 5 ° increments or 10 ° increments.
  • the area below 5 ° and above 45 ° is marked with a surface paint, eg red.
  • the angle indications in each case indicate the angle to the vertical.
  • the measured angle extends in the plane in which the guide rails 80, 81 to which the securing device 10 be strengthened, and in which the support element 50 is located.
  • the angle of the respective fuse element 30, 31 can be determined technically simple and fast. In particular, it can be quickly recognized whether the angle is in the allowable range, here e.g. between 5 ° and 45 °. Larger and smaller angles should be avoided, since in this case an excessive mechanical stress on the support element
  • the gauge can then be used to determine the angle of the other fuse unit.
  • the two angles of the two fuse units can be matched to one another.
  • the specified angular range of at least 5 ° and a maximum of 45 ° applies to centrally guided elevator installations and one-sided guided Aufzugsan, in which the heads 85, 86 of the guide rails 80, 81 facing each other (see Fig. 1).
  • the two fuse units face each other in the two above-mentioned elevator installations, i. they approach each other when you move from top to bottom.
  • FIG. 5 shows a plan view of a second embodiment of the safety device 10 according to the invention.
  • FIG. 6 shows a side view of the safety device 10
  • the securing device 10 of Fig. 5 and Fig. 6 is the same structure as the Si insurance device 10 of Figs. 1-4. However, it is used in Figs. 5 and 6 in a different type of elevator. In unilaterally guided elevator systems, in which the backs of the guide rails 80,
  • the two securing units point away from one another ie they move away from each other when moving from top to bottom.
  • the angle between the vertical and the securing unit may in the plane in which the guide rails 80, 81 extend and in which the support member 50 is arranged, be a maximum of 25 ° (this plane is in Fig. 5, the plane). Perpendicular to this plane (this corresponds to the plane of the drawing of FIG. 6), the angle between the vertical and the securing unit may be a maximum of 5 °.
  • a test gauge 55 can be used to determine the win angle.

Landscapes

  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)

Abstract

L'invention concerne un dispositif de sécurité (10) permettant de protéger une cabine (60), un contrepoids et/ou une masse d'équilibrage d'un ascenseur contre une chute pendant des travaux de réparation, le dispositif de sécurité (10) comprenant : des éléments de fixation servant à fixer le dispositif de sécurité (10) à deux rails de guidage (80, 81) de l'ascenseur ; et des éléments de sécurité (30, 31) servant à protéger la cabine (60), le contrepoids et/ou la masse d'équilibrage contre une chute, les éléments de sécurité (30, 31) étant conçus pour relier la cabine (60), le contrepoids et/ou la masse d'équilibrage aux éléments de fixation. L'invention est caractérisée par un élément de stabilisation (50) reliant les deux rails de guidage (80, 81) perpendiculairement à des sens longitudinaux des deux rails de guidage (80, 81) et absorbant des forces qui agissent perpendiculairement aux sens longitudinaux des deux rails de guidage (80, 81), les sens longitudinaux des deux rails de guidage (80, 81) étant parallèles aux sens de déplacement de la cabine (60).
PCT/EP2018/086287 2017-12-20 2018-12-20 Dispositif de sécurité et procédé permettant de protéger une cabine, un contrepoids et/ou une masse d'équilibrage d'un ascenseur contre une chute pendant des travaux de réparation WO2019122183A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17209167.0 2017-12-20
EP17209167 2017-12-20

Publications (1)

Publication Number Publication Date
WO2019122183A1 true WO2019122183A1 (fr) 2019-06-27

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PCT/EP2018/086287 WO2019122183A1 (fr) 2017-12-20 2018-12-20 Dispositif de sécurité et procédé permettant de protéger une cabine, un contrepoids et/ou une masse d'équilibrage d'un ascenseur contre une chute pendant des travaux de réparation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021148456A1 (fr) * 2020-01-20 2021-07-29 Inventio Ag Dispositif de levage servant à soulever par commande une charge utile à l'intérieur d'une gaine d'ascenseur

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186159A (ja) * 1992-01-13 1993-07-27 Hitachi Building Syst Eng & Service Co Ltd エレベータの主ロープ交換方法
JPH07257854A (ja) * 1994-03-18 1995-10-09 Toshiba Erebeeta Technos Kk エレベータかごの吊り装置
JP2006131380A (ja) * 2004-11-08 2006-05-25 Toshiba Elevator Co Ltd エレベータ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05186159A (ja) * 1992-01-13 1993-07-27 Hitachi Building Syst Eng & Service Co Ltd エレベータの主ロープ交換方法
JPH07257854A (ja) * 1994-03-18 1995-10-09 Toshiba Erebeeta Technos Kk エレベータかごの吊り装置
JP2006131380A (ja) * 2004-11-08 2006-05-25 Toshiba Elevator Co Ltd エレベータ

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 200637, Derwent World Patents Index; AN 2006-356831 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021148456A1 (fr) * 2020-01-20 2021-07-29 Inventio Ag Dispositif de levage servant à soulever par commande une charge utile à l'intérieur d'une gaine d'ascenseur

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