EP3279126A1 - Appareil d'ascenseur et procédé de fonctionnement dudit appareil d'ascenseur - Google Patents

Appareil d'ascenseur et procédé de fonctionnement dudit appareil d'ascenseur Download PDF

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Publication number
EP3279126A1
EP3279126A1 EP17382518.3A EP17382518A EP3279126A1 EP 3279126 A1 EP3279126 A1 EP 3279126A1 EP 17382518 A EP17382518 A EP 17382518A EP 3279126 A1 EP3279126 A1 EP 3279126A1
Authority
EP
European Patent Office
Prior art keywords
covering means
traveling assembly
elevator apparatus
shaft
shaft 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
EP17382518.3A
Other languages
German (de)
English (en)
Other versions
EP3279126B1 (fr
Inventor
Endika COCHO ERAUSKIN
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.)
Orona S Coop
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Orona S Coop
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 Orona S Coop filed Critical Orona S Coop
Publication of EP3279126A1 publication Critical patent/EP3279126A1/fr
Application granted granted Critical
Publication of EP3279126B1 publication Critical patent/EP3279126B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043Devices enhancing safety during maintenance
    • B66B5/005Safety of maintenance personnel
    • B66B5/0081Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B11/00Main component parts of lifts in, or associated with, buildings or other structures
    • B66B11/02Cages, i.e. cars
    • B66B11/0226Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
    • B66B11/0246Maintenance features

Definitions

  • a first aspect of the present invention relates to an elevator apparatus, whereas a second aspect relates to an operating method of said elevator apparatus, being applicable in the industry of elevator apparatus, and more specifically in the field of safety systems and devices, which allows dispensing with having to install safety rails on the traveling assembly in certain cases in which said safety rail is required.
  • a minimum number of elements and components are located outside the shaft of the elevator apparatus where the traveling assembly is displaced, such that performing inspection, maintenance or repair work on the elevator apparatus requires an operator getting into the shaft, where said maintenance operator commonly has to be on the roof of the car to gain access to components such as the drive unit, which is usually located in the upper end area of the shaft, such that while performing jobs of this type, the roof of the car is used as a work platform by the operator.
  • rails The actual use of rails involves certain intrinsic risks, such as those resulting from limbs being trapped at end positions or from enabling non-ergonomic work positions when an operator is close to and/or leaning against them. Furthermore, in addition to limiting free work space, they often times reduce the space available for locating a refuge space required on the roof of the traveling assembly to prevent the risk of crushing when the traveling assembly is at one of its end positions.
  • This patent proposes transversely covering the free space between the traveling assembly and the shaft wall of the elevator apparatus using a mobile flap, where there can even be a projection or a collision between the mobile flap and the shaft element (element protruding from the shaft wall or the counterweight itself) at certain points of the path of the traveling assembly, thereby preventing the risk of the operator falling between the free space between the traveling assembly and the shaft wall of the elevator apparatus.
  • the condition that the mobile flap is drawn and/or pulled in when it passes said shaft element must be met, such that they do not contact one another during said transient situation.
  • This solution prevents having to install a rail on the roof of the traveling assembly.
  • a first aspect of the present invention relates to an elevator apparatus, which allows dispensing with installing a rail on the roof of the traveling assembly by means of the prolongation of the traveling assembly to the shaft wall to the point where it prevents the risk of the operator, who is located on the roof of the traveling assembly, falling while performing maintenance work or other kinds of work, such as inspection, repair and updates, for example.
  • the invention allows preventing this risk of falling while at the same time preventing the mobile flap from colliding with a shaft element when they pass one another.
  • the elevator apparatus proposed by the invention comprises:
  • the covering means automatically switch from the active position to the inactive position when the traveling assembly is located in its path next to said at least one shaft element.
  • the invention allows automatically switching from the active to the inactive position when the traveling assembly passes the shaft element.
  • the invention thereby allows preventing use of a rail given that the covering means maintain the minimum distance required between the covering means and the shaft wall, along the entire path of the traveling assembly, but are drawn and/or pulled in when passing a shaft element, such as the counterweight.
  • the covering means are extended in the active position, and the minimum distance between the covering means and the shaft wall is reduced, i.e., they can take up a space which is in vertical projection with the shaft element, whereas the covering means are retracted in the inactive position, preventing collision with any shaft element while traveling.
  • the covering means and the shaft element can collide in the active position, it must be taken into account that there may not be any contact in said situation, even though a small enough minimum distance, within the tolerances established by applicable regulations, is maintained in order for said contact to take place.
  • the covering means which can consist of a mobile flap, have the function of increasing the projection on the horizontal plane of the traveling assembly so that there is no risk of falling through the free space between the traveling assembly and the shaft wall, which is ultimately the problem to be solved.
  • the covering means have sufficient resistance to withstand a person falling.
  • Said covering means are located or mounted on the traveling assembly such that they can move with respect to said traveling assembly, but without actually being separated from it, i.e., they are articulated to or mounted on said traveling assembly in a guided manner, allowing for a certain path of movement.
  • the covering means are considered to be mobile, and the defined distances are distances referring to said covering means.
  • the mounting, location or connection of the covering means in or to any part of the traveling assembly can logically be done by means of fixed structural elements that play no part in the definitions of distances provided, i.e., said fixed structural elements can be located a smaller distance from the wall than the covering means themselves are when they are in the active position.
  • the distance defined in the invention is always between the covering means, which are mobile, and the shaft wall.
  • the covering means can be rigid or flexible.
  • the covering means comprise regulating means for defining their active position, i.e., the covering means do not have to be completely extended or deployed to fulfill the function of preventing the risk of falling.
  • the regulating means can allow adjusting the location or the relative position of the covering means with respect to the traveling assembly.
  • the path of the traveling assembly defines the displacement direction as a displacement between an initial point and another final point, considered to define a path of the traveling assembly that is understood as any sequence of displacements that can be made between the two end points.
  • the elevator apparatus comprising means for detecting the relative position of said at least one shaft element with respect to the traveling assembly and activation means acting on the covering means for switching them between the active and inactive positions is contemplated.
  • activation means and the means for detecting the relative position between the shaft element and the traveling assembly, according to the invention are described below.
  • the covering means are kept in the inactive position in a normal elevator apparatus operating mode. Nevertheless, though not a preferred embodiment, it is also contemplated that in the normal mode the covering means are in the active position and switch to the inactive position only when they pass the shaft element, logically to prevent a collision.
  • the covering means are in the active position in an elevator apparatus inspection mode, except that when the traveling assembly is located in its path next to said at least one shaft element, they automatically switch to the inactive position, such that the covering means and said at least one shaft element do not contact one another.
  • the method then comprises the covering means automatically switching back to the active position.
  • a shaft element is a counterweight.
  • the traveling assembly comprises at least one lateral plane facing the counterweight, the covering means being located in correspondence with said at least one lateral plane.
  • a shaft element is a fixed element located in the shaft. Specifically, it is contemplated that said shaft element protrudes from the shaft wall.
  • a protrusion of the shaft wall is considered a shaft element; in such case, an irregularity or protuberance of the shaft itself can collide with the covering means in the event that said means were kept in the active position while passing.
  • the covering means themselves can be used as a work platform by operators.
  • the covering means may adopt any shape and/or geometry corresponding with the free space between the traveling assembly and the wall which is to be transversely covered.
  • the displacement of the covering means between the active and inactive positions occurs due to angular displacement with respect to the traveling assembly, i.e., by means of collapse, or by linear displacement with respect to the traveling assembly, i.e., in a telescopic or extendable manner, and even by a combination of both.
  • the elevator apparatus comprises at least one sensor detecting the position of the covering means.
  • a second aspect of the invention relates to an operating method of an elevator apparatus like the one described above, wherein if the covering means are in the active position and the traveling assembly is being displaced, when said traveling assembly is located in its path next to said at least one shaft element, the covering means automatically switch to the inactive position.
  • the possibility of the method having the covering means in the inactive position in a normal operating mode is contemplated, such that when the elevator apparatus switches to an inspection mode the covering means switch to the active position. It is contemplated that this switching of the covering means from the inactive position to the active position when the elevator apparatus switches to the inspection mode is done both automatically, i.e., without the specific intervention of an operator for activating the covering means independently of the activation of the inspection mode, and manually, i.e., after selecting the inspection mode, the operator has to intentionally activate the covering means independently.
  • the free space between the traveling assembly and the shaft wall is thereby transversely covered when the apparatus is in inspection mode or when the operator gets on the roof of the traveling assembly.
  • Normal elevator apparatus operation switches to inspection mode when a person gets on the roof of the traveling assembly, and this can in turn be done manually or automatically.
  • the covering means return to the active position when the elevator apparatus is in inspection mode. It is also contemplated that when switching from inspection mode to normal mode, the covering means switch from the active position to the inactive position, either manually or automatically, and they remain in the inactive position.
  • the covering means (5) can be displaced between an active position and an inactive position, such that the minimum distance between said wall (3') of the shaft (3) and the covering means (5) in the active position is smaller than in the inactive position.
  • the covering means (5) in the inactive position cannot contact the shaft element (4) at any point of the path of the traveling assembly (1), whereas they can contact it in the active position when the traveling assembly (1) is located in its path next to the shaft element (4).
  • the fact that they may contact one another does not necessarily mean that said contact has to happen, but rather the minimum distance between the traveling assembly and the shaft element is so small that in the event of any minor transverse displacement of the traveling assembly (1) and/or shaft element (4) due to the clearance of the guiding system, vibrations, elastic deformations, etc., in the case of being mobile, can mean that said contact happens.
  • the covering means (5) automatically switch from the active position, depicted in views a of Figures 1 to 3 , to the inactive position, depicted in views b of said figures, when the traveling assembly (1) is located in its path next to the shaft element (4).
  • the covering means (5) are extended in the active position and the minimum distance between the covering means (5) and the wall (3') of the shaft (3) is reduced, whereas the covering means (5) are retracted in the inactive position, preventing any possibility of collision with any shaft element (4) while traveling.
  • the covering means (5) can consist of a mobile flap made from sheet metal, plastic board, grating or netting, that have the function of increasing the projection on the horizontal plane of the traveling assembly (1) in order to eliminate the risk of falling through the free space between the traveling assembly (1) and the wall (3') of the shaft (3).
  • the covering means (5) have sufficient strength to support an operator performing, for example, ordinary maintenance and/or repair work.
  • the covering means can be rigid or flexible.
  • the covering means (5) are located or mounted on the traveling assembly (1) such that they can move with respect to said traveling assembly (1), but without actually being separated from it, i.e., they are articulated to or mounted on the traveling assembly (1), like in the case of Figures 1 to 3 , allowing for a certain path of movement.
  • the covering means (5) are considered to be mobile, and the defined distances are distances referring to said covering means (5).
  • the mounting, location or connection of the covering means (5) in or to any part of the traveling assembly (1) can logically be done by means of fixed structural elements that play no part in the definitions of distances provided.
  • said fixed structural elements can be located a smaller distance from the wall (3') than the distance between the covering means (5) and they wall when the former are in the active position
  • the covering means (5) comprise regulating means for defining their active position, i.e., the covering means (5) do not have to be completely extended or deployed, as depicted in the drawings, to fulfill the function of preventing the risk of falling.
  • the regulating means can allow adjusting the location or the relative position of the covering means with respect to the traveling assembly.
  • the elevator apparatus comprising means for detecting the relative position of the shaft element (4) with respect to the traveling assembly (1) and activation means (6) acting on the covering means (5) for switching them between the active and inactive positions is contemplated.
  • the covering means (5) are kept in the inactive position.
  • the covering means (5) are in the active position, except that when the traveling assembly (1) is located in its path next to the shaft element (4), they switch to the inactive position automatically, such that the covering means (5) and the shaft element (4) do not contact one another.
  • the method then comprises the covering means (5) automatically switching back to the active position.
  • the shaft element (4) is a counterweight.
  • the traveling assembly (1) comprises at least one lateral plane facing the counterweight (4), the covering means (5) being located in correspondence with said lateral plane.
  • the shaft element (4) is a fixed element located in the shaft (3). Specifically, it is contemplated that said shaft element (4) protrudes from the wall (3') of the shaft (3). In other words, a protrusion of the wall (3') of the shaft (3) is considered a shaft element (4); in such case, an irregularity or protuberance of the shaft (3) itself can collide with the covering means (5) in the event that said covering means (5) are kept in the active position while passing.
  • the displacement of the covering means (5) between the active and inactive positions is caused by angular displacement with respect to the traveling assembly (1), i.e., by means of collapse, as depicted in Figures 1 to 3 , or by linear displacement with respect to the traveling assembly (1), i.e., in a telescopic or extendable manner, and even by a combination of both, not depicted in the drawings.
  • the elevator apparatus comprises at least one sensor detecting the position of the actual covering means (5); said sensor preferably comprises an electrical contact.
  • a second aspect of the invention relates to an operating method of an elevator apparatus such as the one described above, wherein if the covering means (5) are in the active position and the traveling assembly (1) is being displaced, when said traveling assembly (1) is located in its path next to said at least one shaft element (4), the covering means (5) automatically switch to the inactive position.
  • the possibility of the method comprising the covering means (5) in the inactive position in a normal operating mode is contemplated, such that when the elevator apparatus switches to an inspection mode the covering means (5) switch to the active position. It is contemplated that this switching of the covering means (5) from the inactive position to the active position when the elevator apparatus switches to the inspection mode is done both automatically, i.e., without the specific intervention of an operator for activating the covering means (5) independently of the activation of the inspection mode, and manually, i.e., after selecting the inspection mode, the operator has to intentionally activate the covering means (5) independently.
  • the free space between the traveling assembly and the shaft wall is thereby transversely covered when the apparatus is in inspection mode or when the operator gets on the roof of the traveling assembly.
  • Normal elevator apparatus operation switches to inspection mode when a person gets on the roof of the traveling assembly, and this can in turn be done manually or automatically.
  • the covering means return to the active position when the elevator apparatus is in inspection mode. It is also contemplated that when switching from inspection mode to normal mode, the covering means switch from the active position to the inactive position, either manually or automatically, and they remain in the inactive position.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
EP17382518.3A 2016-08-01 2017-07-31 Appareil d'ascenseur et procédé de fonctionnement dudit appareil d'ascenseur Active EP3279126B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201631057A ES2652370B1 (es) 2016-08-01 2016-08-01 Aparato elevador y método de funcionamiento de dicho aparato elevador

Publications (2)

Publication Number Publication Date
EP3279126A1 true EP3279126A1 (fr) 2018-02-07
EP3279126B1 EP3279126B1 (fr) 2019-02-27

Family

ID=59523054

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17382518.3A Active EP3279126B1 (fr) 2016-08-01 2017-07-31 Appareil d'ascenseur et procédé de fonctionnement dudit appareil d'ascenseur

Country Status (3)

Country Link
EP (1) EP3279126B1 (fr)
ES (2) ES2652370B1 (fr)
TR (1) TR201906482T4 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05330752A (ja) * 1992-05-27 1993-12-14 Mitsubishi Electric Corp エレベータの保守点検安全装置
JPH08133617A (ja) * 1994-11-02 1996-05-28 Mitsubishi Denki Bill Techno Service Kk エレベーターかご室上保守装置
JP2002128433A (ja) 2000-10-19 2002-05-09 Mitsubishi Electric Corp エレベータのかご上作業安全装置
EP1849732A1 (fr) 2006-04-24 2007-10-31 Inventio Ag Limiteur de vide pour une cabine d'ascenseur
JP2010137981A (ja) * 2008-12-15 2010-06-24 Hitachi Building Systems Co Ltd エレベータのかご上作業床

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4231842B2 (ja) * 2002-06-20 2009-03-04 オーチス エレベータ カンパニー 機械室レス型エレベータのかご用の上部安全柵

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05330752A (ja) * 1992-05-27 1993-12-14 Mitsubishi Electric Corp エレベータの保守点検安全装置
JPH08133617A (ja) * 1994-11-02 1996-05-28 Mitsubishi Denki Bill Techno Service Kk エレベーターかご室上保守装置
JP2002128433A (ja) 2000-10-19 2002-05-09 Mitsubishi Electric Corp エレベータのかご上作業安全装置
EP1849732A1 (fr) 2006-04-24 2007-10-31 Inventio Ag Limiteur de vide pour une cabine d'ascenseur
JP2010137981A (ja) * 2008-12-15 2010-06-24 Hitachi Building Systems Co Ltd エレベータのかご上作業床

Also Published As

Publication number Publication date
ES2652370B1 (es) 2020-03-11
ES2652370A1 (es) 2018-02-01
ES2718948T3 (es) 2019-07-05
TR201906482T4 (tr) 2019-05-21
EP3279126B1 (fr) 2019-02-27

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