WO2009072917A1 - Mécanisme bivalent pour la stabilisation verticale d'un monte-escalier - Google Patents

Mécanisme bivalent pour la stabilisation verticale d'un monte-escalier Download PDF

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Publication number
WO2009072917A1
WO2009072917A1 PCT/RO2007/000025 RO2007000025W WO2009072917A1 WO 2009072917 A1 WO2009072917 A1 WO 2009072917A1 RO 2007000025 W RO2007000025 W RO 2007000025W WO 2009072917 A1 WO2009072917 A1 WO 2009072917A1
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WO
WIPO (PCT)
Prior art keywords
plate
fixed
stairlift
length
bivalent
Prior art date
Application number
PCT/RO2007/000025
Other languages
German (de)
English (en)
Inventor
Mihai Petrachioiu
Original Assignee
Mihai Petrachioiu
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 Mihai Petrachioiu filed Critical Mihai Petrachioiu
Publication of WO2009072917A1 publication Critical patent/WO2009072917A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0807—Driving mechanisms
    • B66B9/0815—Rack and pinion, friction rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/06—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces
    • B66B9/08—Kinds or types of lifts in, or associated with, buildings or other structures inclined, e.g. serving blast furnaces associated with stairways, e.g. for transporting disabled persons
    • B66B9/0838—Levelling gears

Definitions

  • the present invention relates to a bivalent mechanism for vertical stabilization of the position of a stairlift intended for elderly persons or persons with locomotor dysfunctions, provided with a lift, in turn, with a mechanism of the type deformable parallelogram necessary to obtain the stabilization.
  • bivalent mechanism in the present case, we mean a mechanism that, without significant changes, can perform vertical stabilization of a stairlift, whether operating on some taxiways, located on the left or right side of the staircase. More specifically, the invention relates to a bivalent mechanism of vertical stabilization of the position of a stairlift moving in two taxiways spaced apart with a certain value related to the angle of inclination of the staircase concerned and to the geometrical elements of the deformable parallelogram comprising the Identify mechanism, determined.
  • Lift de scara represents a stairlift, in which the vertical position during the movement along two taxiways, by means of a mechanism of the type deformable parallelogram performs.
  • the angle of inclination of the stairs, including the taxiways, along with the geometric elements of the deformable parallelogram determine the distance between the two taxiways at a given moment.
  • one of the longitudinal sides is by toothing between a toothed Operarad or a Vollrad and a toothed cutout - neck swinging left-right about a rotation axis, which is at the same time also axle pad of the totality of the stabilizing rollers, depending on the inclination angle
  • Both taxiways - carried out knowing that the distance between two toothed, cylindrical wheels remains constant on the entire Veisseungsbogen. (US 6,712,192; RO 119940; RO 121201).
  • the gear with which the toothed cut toothed is fixed so that it has the possibility of free rotation about the axis of the pinion, axis which in turn is toothed with the rack attached to the upper part of rolling.
  • the wheel in question is driven in rotational motion, in one direction or the other, by a plate which supports the trolley or, in other words, by the support and guide roller group which rolls on the upper taxiway and the direction in which the lift moves ,
  • the parallelogram mechanism is provided with an arm adjustable in length - which forms the longer side of the deformable parallelogram mechanism - being made of two parts which are screwed one in the other and which one then attaches to the position with the help of an obstructing nut.
  • the adjustable arm is attached to one of the end portions at a moving point located at the toothed cutout, the other end usually being fixed to a fixed point on the support plate of the drive motor reducer.
  • the toothed cutout guided and limited, oscillates between two plates, correspondingly removed from each other, by means of some distance bushes.
  • the position of the adjustable arm of the Parallelogrammmechanismusses in the context of the mechanism for vertical stabilization, changes with respect to the location of the two taxiways along the stairs, so as they are located on the left or right side.
  • some of the parts of the rectangular mechanism or, in other words, the deformable parallelogram, namely the toothed cutout and the support plate of the engine reducer must be made "in the mirror” so that the adjustable arm of the rectangle can be placed on one or the other side, as the case may be other side of the imaginary axis is installed, which connects the axis of rotation of the toothed cutout with the axis of rotation of the drive pinion.
  • a bivalent mechanism for vertical stabilization of a stairlift is also known in which the toothed cutout is made by assembling three different parts, namely a toothed cutout segment, a block on which the segment fastens, on one or the other side, by means of a few screws , depending on the staircase side on which the lift must work, as well as a supporting element for the lower end of the adjustable arm mentioned above, arm, which, as we have already shown, one of the large sides of the deformable parallelogram represents.
  • the support element is attached to the block on one side or the other, depending on the staircase side where the lift must be put into operation.
  • the proposed mechanism is still provided with a plate to which both the upper end of the adjustable arm, and the motor reducer group of the lift drive attached. Since one has symmetrically designed fasteners, allowed by the rotation of 180 degrees of the relevant plate, the positioning of the striker on one side or the other side of the axis of the drive motor, so for lifts which work on the left side or on the right side of the access staircase , Thus, when mounting a lift from the left to the right of a staircase, all you have to do is to rotate the mounting plate of the strike end from the left to the right and, in the mirror, the elements that make up the toothed cutout , change.
  • the technical problem solved by the invention is the execution of a bivalent mechanism for vertical stabilization of a stairlift, which allows, without any change, the installation of the same lift on each side of the staircase, without the replacement of an inner part with others, executed "in Mirror "or the change of position of a part of the composition of Mechanismusses is necessary.
  • the bivalent mechanism for vertical stabilization of a stairlift eliminates the above-mentioned drawbacks and solves the proposed technical problem by incorporating in the composition of its parallelogram, between a pair of gears, a top and a bottom, instead of a gear and a toothed cutout which are interlocked with each other, wherein the upper is fixed to a top plate which carries at its upper end the entirety of the support and guide rollers, which is known and the other, the lower, fixed to a plate, which is the whole the stabilizer rolls, which one also knows.
  • the mechanism For the accurate storage of the upper wheels and the drive axle of the lift, the mechanism includes a cylindrical bushing, in the interior of which two radial-axial roller bearings are mounted, which are mutually removed by a distance bushing.
  • a drive axle is also mounted within these bushes, by means of two radial-axial roller bearings and at the end of which a drive pinion is arranged which a toothed rack arranged under the upper taxiway of the lift, in a known manner, toothed.
  • the upper plate, support plate is mounted outside the cylindrical bushing, by means of the body of the upper wheel, to which, with screws, the wheel is mounted mounted on the outside of the cylinder liner.
  • the inner wheel is supported on a screw axis fixed to a base plate and a closure plate, both in turn mounted on the outside of the cylindrical sleeve.
  • An arm adjustable in length is also supported with its lower end to the lower end of the lower plate near the point of attachment of the set of stabilizing rollers to this plate, with its upper end provided at a fixed point on the mounting plate of the entire Mechanismusses the lift housing is mounted.
  • Fig. 1 general front view of a stairlift body, provided with a stabilizing mechanism, according to the invention
  • FIG. 1 front view of a stabilization mechanism, according to the invention.
  • Figure 1 shows an overall view of a stairlift provided with a bivalent mechanism A for vertical stabilization of a stairlift, according to the invention. This is fixed to the metal housing of the lift by means of a fixed plate, further presented and is with a totality ß of supporting and Guide rollers and provided with a totality C of vertical stabilizing rollers.
  • the actual stabilizing mechanism A includes, in the composition of its parallelogram, as basic elements, two gears, one at the top f, and the other at the bottom 2, interlocked with each other, the top, 1, fixed to a top plate 3, in T-shape, which carries at its upper part a set S of supporting and guiding rollers, which are known, wherein the figures 2, 3 and 4, only the two rollers 4, support rollers represent.
  • the roll unit 4 actually supports the entire weight of the lift, including the weight of the person carried.
  • the mechanism includes a cylindrical main sleeve 7 provided with flanges a at one end portion thereof, flanges within the two radial-axial rolling bearings 8, 9, respectively are stored away from each other by means of a removal sleeve 10 which is disposed between the upper rings of the two rolling bearings.
  • the axle 11 carries at its end a drive pinion 12, insured by an elastic ring 13, pinion which has been toothed with an unillustrated rack, arranged under the upper taxiway of the lift, in the manner already known.
  • the gear has the form of a bush provided with a flange b at one of its end parts, toothed flanges peripherally and radially provided with holes through which some recessed screws 14 pass, which fasten the two parts together, so the plate 3 with the wheel.
  • the lower gear 2 fixed to the lower plate 5, by means of some screws 15.
  • the lower wheel 2 are fixed together with the lower plate 5, so that they can swing freely, without friction, between a base plate 16, polygonal shape, and a closure plate 17, all of which are fixed to the position by means of a screw, Axis 18, insured with a nut, shown but not positioned, around which these swing.
  • the base plate 16 is mounted around the cylindrical bushing 7 by means of a roller bearing 19.
  • the VeQueryplatte 17 is oval-shaped and is provided with one hole c and d at each end. With the hole c, the plate is mounted on the cylindrical sleeve 7, wherein the game shaft - bore is relatively small and by means of a short cylindrical sleeve 20 pressed in the hole c is set.
  • the latter is provided on each of the two sides, each with a hole e, through which passes a screw 21, which the closure plate to the base plate at a certain distance, by means of a respective Removal sleeve 22 attached.
  • the length of the distance bushing must allow the free rotation of the entirety of the lower wheel 2 - upper plate 5. Nevertheless, in order to obtain an even more accurate guidance of this whole, the lower plate 5 is mounted by means of a cylindrical bushing with flanges 23, fixed to the relevant plate by means of a few recessed screws 24th
  • the setting of the deformable parallelogram is obtained by a movable arm 25, adjustable in length and known so that we can not describe it any longer, arm attached with the lower end to the lower plate 5, which is movable, as previously seen. by means of a connecting piece 26 being fastened at the upper end to another fixed plate 27 by means of another connecting piece 28.
  • the fixed plate 27 serves to attach the stabilizing mechanism to the lift body. In this sense, it is attached to the bushing flanges 7 by means of a few screws inserted and to the lift housing by means of some screws attached to its corners. At the free end of the drive axle 11, the motor reducer group is coupled to drive the entire lift.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Handcart (AREA)

Abstract

L'invention concerne un mécanisme bivalent pour la stabilisation verticale de la position d'un monte-escalier destiné à des personnes âgées ou à mobilité réduite, monte-escalier qui est pourvu d'un mécanisme du genre d'un parallélogramme déformable, nécessaire pour obtenir la stabilisation, qui possède trois côtés de longueur fixe, obtenus du point de vue de la construction en supprimant trois de ses articulations, et un côté de longueur variable, constitué d'un bras réglable (25) dont la longueur peut être modifiée. Le mécanisme sous forme de parallélogramme comprend, comme éléments de base, deux roues dentées, une roue dentée supérieure (1) et une roue dentée inférieure (2) qui sont en prise mutuelle, sachant que la roue dentée supérieure (1) est fixement reliée à une plaque supérieure (3) en forme de T qui porte sur sa partie supérieure un ensemble (B) de galets de soutien et de guidage, en soi connus, et sachant que la roue dentée inférieure (2) est fixement reliée à une plaque inférieure (5) qui porte un ensemble (C) de galets de stabilisation, en soi connus. Les deux roues dentées (1, 2) sont fixées sur une plaque de base (16), la roue dentée supérieure (1) au moyen d'une douille cylindrique (T), et la roue dentée inférieure (2) au moyen d'un axe fileté (18). Un axe (11) est également monté à l'intérieur de la douille cylindrique (T) ; il porte à son extrémité un pignon d'entraînement (12) qui est en prise avec la crémaillère fixée en dessous du parcours de guidage supérieur.
PCT/RO2007/000025 2007-12-03 2007-12-10 Mécanisme bivalent pour la stabilisation verticale d'un monte-escalier WO2009072917A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ROA200700826 2007-12-03
RO200700826 2007-12-03

Publications (1)

Publication Number Publication Date
WO2009072917A1 true WO2009072917A1 (fr) 2009-06-11

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ID=40293599

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RO2007/000025 WO2009072917A1 (fr) 2007-12-03 2007-12-10 Mécanisme bivalent pour la stabilisation verticale d'un monte-escalier

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WO (1) WO2009072917A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3225581A1 (fr) * 2016-03-30 2017-10-04 Hawle Treppenlifte GmbH Monte-escalier comprenant un pignon d'entrainement mobile et construction de monte-escalier assistee par simulation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913264A (en) * 1988-02-02 1990-04-03 The Cheney Company Stairway chairlift mechanism
WO2001032543A1 (fr) * 1999-11-04 2001-05-10 Freelift B.V. Guide de cage d'escalier pour monte-escalier
EP1197465A1 (fr) * 2000-10-12 2002-04-17 Freelift B.V. Assise pour ascenseur d'escalier
DE10106187A1 (de) * 2001-02-10 2002-08-14 Hillenkoetter & Ronsieck Treppenlift
RO119940B1 (ro) * 2003-02-27 2005-06-30 Teofil-Nuţu Andreş Lift de trepte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913264A (en) * 1988-02-02 1990-04-03 The Cheney Company Stairway chairlift mechanism
WO2001032543A1 (fr) * 1999-11-04 2001-05-10 Freelift B.V. Guide de cage d'escalier pour monte-escalier
EP1197465A1 (fr) * 2000-10-12 2002-04-17 Freelift B.V. Assise pour ascenseur d'escalier
DE10106187A1 (de) * 2001-02-10 2002-08-14 Hillenkoetter & Ronsieck Treppenlift
RO119940B1 (ro) * 2003-02-27 2005-06-30 Teofil-Nuţu Andreş Lift de trepte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3225581A1 (fr) * 2016-03-30 2017-10-04 Hawle Treppenlifte GmbH Monte-escalier comprenant un pignon d'entrainement mobile et construction de monte-escalier assistee par simulation

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