EP1473266A2 - Système de rail pour ascenseur d'escalier avec section mouvante - Google Patents

Système de rail pour ascenseur d'escalier avec section mouvante Download PDF

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Publication number
EP1473266A2
EP1473266A2 EP04101611A EP04101611A EP1473266A2 EP 1473266 A2 EP1473266 A2 EP 1473266A2 EP 04101611 A EP04101611 A EP 04101611A EP 04101611 A EP04101611 A EP 04101611A EP 1473266 A2 EP1473266 A2 EP 1473266A2
Authority
EP
European Patent Office
Prior art keywords
rail
rail portion
staircase
tube
connecting 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
EP04101611A
Other languages
German (de)
English (en)
Other versions
EP1473266B1 (fr
EP1473266A3 (fr
Inventor
Alex Ooms
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.)
Otto Ooms BV
Original Assignee
Otto Ooms BV
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 Otto Ooms BV filed Critical Otto Ooms BV
Publication of EP1473266A2 publication Critical patent/EP1473266A2/fr
Publication of EP1473266A3 publication Critical patent/EP1473266A3/fr
Application granted granted Critical
Publication of EP1473266B1 publication Critical patent/EP1473266B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B66B9/0846—Guide rail

Definitions

  • the invention relates to a rail system for a staircase elevator, which rail system comprises a rail to be fixedly mounted with respect to a staircase and a movable rail portion, which can be mounted above a floor near the bottom side of the staircase.
  • a system of this type is known from NL-A-1002392.
  • a staircase elevator comprising such a rail system may be provided with an elevator in the form of a chair, on which a disabled person can move up and down along a staircase in a seated position.
  • an elevator in the form of a chair, on which a disabled person can move up and down along a staircase in a seated position.
  • the rail of the rail system In order to be able to move such an elevator to a position near the floor at the bottom side of the staircase, it is necessary for the rail of the rail system to extend beyond said staircase, and that above said floor, at the bottom side of the staircase.
  • the rail of such a rail system may obstruct the passage at the bottom side of the staircase or be in the way in any other manner, and consequently it is customary to embody the lower end of the rail as a rail portion that can be swung or moved aside. Said swinging or moving aside may take place in upward or in lateral direction, for example in the manner described in EP-B-04008716, or in rearward direction, for example as described in NL-A-1002392.
  • the drawback of the aforesaid solutions is that they either require a great deal of free space or that they constitute a complex and/or costly solution to the problem as described above.
  • the object of the invention is to provide an inexpensive, efficient and user-friendly rail system, in which the movable rail portion can be efficiently moved to a position in which it does not obstruct the way.
  • the rail portion is pivot-mounted at its upper side, in such a manner that the rail portion can be pivoted from a first position, in which the rail portion extends in line with the fixed rail, almost to the floor level, to a second downward, substantially vertical position, during which movement the rail portion can telescope.
  • the use of a telescopic rail portion enables easy pivoting of the rail portion in downward direction, without the rail portion striking against the floor.
  • the rail portion comprises two extensible tube members of substantially identical cross-section, which tube members are provided at the facing ends thereof with tube portions capable of longitudinal sliding movement past one another, which jointly form a substantially complete tube surface in the telescoped position.
  • the tube surface that is formed at the connection between the tube members in this way is not complete, to be true, but it offers sufficient support for guiding the elevator chair.
  • the rail portion is provided with an actuator capable of telescoping the rail portion in and/or out and/or of pivoting the rail portion.
  • said actuator is electrically operated.
  • the specific construction thereof enables pivoting of the rail portion as a result of the rail portion being telescoped in or out by the actuator.
  • the rail system comprises a second rail to be fixedly mounted with respect to the staircase and a second rail portion, which can be pivot-mounted above the floor near the bottom side of the staircase, which rail and which rail portion are mounted above the first rail and the first rail portion, substantially parallel thereto, with the two rail portions being rigidly interconnected near their ends.
  • Many staircase elevators have such a double rail system, and the invention aims to provide a solution for such a system as well.
  • the advantage of this construction is that the two rail portions are pivoted about their respective pivot axes by operating the aforesaid actuator by means of which the lower rail portion is telescoped in and out.
  • the system comprises a connecting element which is pivotally connected to one of the pivotable rail portions, near the lower end thereof, on the one hand and which can be connected to a fixed point of the surrounding structure on the other hand.
  • a pivotable connecting element is a simple construction for guiding the lower end of a rail portion.
  • the connecting element comprises a first portion and a second portion, which portions are pivotally interconnected, wherein the end of the first portion is pivotally connected to the rail portion and the end of the second portion can be pivotally connected to the surrounding structure.
  • a first end of the connecting element is pivotally connected to the rail portion, and the system comprises a rod that is fixedly connected to the surrounding structure, to which rod the second end of the connecting element is connected, in such a manner that the second end is capable of movement along said rod.
  • the connecting element is preferably connected to spring means, which are capable of urging the rail portion to the first position. In this way a counterpressure is at least partially provided against the force of gravity that urges the rail portion towards the second position. In this way, the aforesaid actuator needs to exert less force.
  • the invention also relates to a method for moving a rail portion of a rail system for a staircase elevator, which rail portion is mounted above a floor near the bottom side of the staircase, wherein the rail portion is pivot-mounted at its upper side, being pivoted from a first position, in which the rail portion extends in line with a rail that is fixedly mounted with respect to the staircase, almost reaching the floor, to a second downward, substantially downward position, during which movement the rail portion is telescoped.
  • Fig. 1 shows a staircase elevator comprising steps 1 and a floor 2 at the bottom side.
  • a rail of the rail system is mounted at the side of the staircase, for example near a wall along which the staircase is installed, by means of posts 3.
  • the rail may also be directly attached to the wall.
  • the lowermost post 3 is supported on the floor 2.
  • a fixed rail which comprises an upper fixed tube 4 and a lower fixed tube 5.
  • the two tubes are engaged by guide wheels of the elevator chair 9, with the tubes 4, 5 serving to guide the elevator chair 9 along the staircase as well as to maintain the elevator chair in a fixed vertical position.
  • a rack (not shown) is mounted along the lower tube 5, which rack is capable of meshing with a driven gear of the elevator chair 9, thus enabling the elevator chair 9 to move along the rail.
  • the manner in which the elevator chair 9 moves along the rail is not elaborated in the present description.
  • the rail system is furthermore provided with a movable rail portion comprising an upper tube 7 and a lower tube 8, which lower tube 8 is likewise fitted with the aforesaid rack.
  • said lower rail portion extends from the staircase above the floor 2, which is undesirable in practice, since there is often little space available.
  • said lower rail portion can be pivoted down to a vertical position, therefore, so that said portion extends along the lowermost post 3.
  • a problem that would occur if no further measures were taken is that the end of the lower tube 8 striking against the floor 2, as a result of which the rail portion cannot be completely pivoted to the vertical position.
  • Figs. 2, 3A and 3B show a first embodiment of the movable rail portion.
  • the upper tube 7 is pivot-mounted to the post 3.
  • the lower tube 8 can be telescoped, and comprises an upper tube portion 8a, which is likewise pivot-mounted to the post 3, and a lower tube portion 8b.
  • the upper pivot-mounted ends of the tubes 7, 8 are each semicircular in shape, as are the complementary lower pivot-mounted ends of the tubes 4, 5, jointly forming continuous round tube guides in the extended position.
  • the two tube portions 8a, 8b are provided with two longitudinally extending tube segments 81a, 81b, which each take up a quarter of the circumference of the tube, which engage each other and which can be slid one into another along their entire length.
  • the tube 8 In the extended position as shown in Figs. 2 and 3A, the tube 8 thus exhibits openings in its surface, but they do not stand in the way of providing sufficient support and grip on the tube for the guide wheels of the elevator chair 9.
  • the lower tube portion 8b is fixedly connected to the upper movable tube 7 by means of a connecting element 10.
  • the articulated arm 11 comprises two arm portions 11a, 11b consisting of two U-shaped sections, whose ends fit into each other and which are pivotally interconnected in such a manner that the arm portions can only pivot in one direction from the extended position.
  • the end of the arm portion 11a is pivotally connected to the post 3 and the end of the arm portion 11b is pivotally connected to the end of the upper tube 7.
  • the arm portions 11a, 11b are preferably slightly "overextended", so that the arm 11 is locked in this position by the pushing force that is exerted by the movable rail portion.
  • the arm 11 can be pushed out of the locked position and the movable rail portion can be pivoted downwards by exerting an upward force on the pivot point between the two arm portions 11a, 11b, for example, or by exerting a moment on one of the other pivot points.
  • Fig. 4 shows an extension spring 12 mounted in the pivot point between the two arm portions 11a, 11b, which extension spring is capable of urging the articulated arm 11 to the extended position, so that the force of gravity of the movable rail portion is slightly compensated and less force is required for pushing the rail portion to the extended position. Furthermore, the spring 12 functions to urge the articulated arm to the overstretched, locked position. The spring 12 also prevents the rail portion from smashing down due to the force of gravity when the articulated arm 11 is moved out of the overstretched, locked position.
  • a third arm portion 11c is pivotally connected to the arm portion 11b and can be moved by a pawl 13 of an electrically operated actuator 14 that is mounted in the tube 8. Said arm portion pushes against a pawl on the side of the arm portion 11b, as a result of which the arm 11 is pushed out of the locked, overstretched position.
  • the actuator 14 is shown in more detail in Figs. 6A and 6B.
  • Figs. 5A, 5B, 6A and 6B show a second embodiment of the movable rail portion.
  • Figs. 5A and 5B show the adjoining rack portions 6, which are mounted on the lower tube 5 and the tube portion 8a and which have been left out of the other figures for the sake of simplicity.
  • the length of the lower rack portion 6 is such that it extends to a level just above the floor 2 in the vertical position.
  • Figs. 6A and 6B, in which the tube portion 8a is shown in cutaway view furthermore show the electrically operated actuator 14, which is capable not only of moving the arm 11 but also of telescoping the two portions 8a, 8b of the telescopic tube 8 in and out.
  • the arm 11 comprises a single section, which is pivot-mounted to the tube 7 on one side and to a guide unit 17, which can roll over the post 3 via guide wheels 15, 16, on the other side.
  • the arm 11 In the lowermost position of the guide unit 14, in which the arm 11 includes an angle with the post 3, the arm 11 is locked in position by the pushing force of the movable rail portion, as in the previously described embodiment.
  • the actuator 14 can move the arm 11 out of the locked position by means of a pawl 13 and an arm portion 11c.
  • the actuator 14 inter alia comprises a motor, a reduction mechanism and a screwed spindle, and it is constructed in such a manner that the telescopic tube 8 is not telescoped until the pawl 13 has been moved so as to release the locking engagement of the arm 11. Conversely, the pawl 13 is not moved for locking the arm 11 in position until the telescopic tube 8 is fully extended.
  • the elevator chair 9 is secured in such a manner that it cannot be moved along the rail until the movable rail portion is in the extended position and the arm 11 is locked. This can be effected by means of a switch, for example.
  • the rail comprises two tubes
  • staircase elevators in which the rail comprises only one tube or essentially one tube.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Types And Forms Of Lifts (AREA)
EP04101611A 2003-04-24 2004-04-19 Système de rail pour ascenseur d'escalier avec section mouvante Expired - Lifetime EP1473266B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1023252A NL1023252C2 (nl) 2003-04-24 2003-04-24 Railsysteem voor een traplift en werkwijze voor het bewegen van een raildeel.
NL1023252 2003-04-24

Publications (3)

Publication Number Publication Date
EP1473266A2 true EP1473266A2 (fr) 2004-11-03
EP1473266A3 EP1473266A3 (fr) 2004-12-08
EP1473266B1 EP1473266B1 (fr) 2006-06-28

Family

ID=32986053

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04101611A Expired - Lifetime EP1473266B1 (fr) 2003-04-24 2004-04-19 Système de rail pour ascenseur d'escalier avec section mouvante

Country Status (4)

Country Link
EP (1) EP1473266B1 (fr)
AT (1) ATE331687T1 (fr)
DE (1) DE602004001359T2 (fr)
NL (1) NL1023252C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2518834A (en) * 2013-10-01 2015-04-08 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
CN109071174A (zh) * 2016-04-25 2018-12-21 斯坦纳座椅电梯有限公司 楼梯升降机的或与其相关的改进

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997026207A1 (fr) * 1996-01-17 1997-07-24 Otto Ooms B.V. Systeme de rail pour monte-escalier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997026207A1 (fr) * 1996-01-17 1997-07-24 Otto Ooms B.V. Systeme de rail pour monte-escalier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2518834A (en) * 2013-10-01 2015-04-08 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
GB2518834B (en) * 2013-10-01 2017-07-26 Stannah Stairlifts Ltd Improvements in or relating to stairlifts
CN109071174A (zh) * 2016-04-25 2018-12-21 斯坦纳座椅电梯有限公司 楼梯升降机的或与其相关的改进

Also Published As

Publication number Publication date
DE602004001359T2 (de) 2007-06-14
NL1023252C2 (nl) 2004-10-27
EP1473266B1 (fr) 2006-06-28
EP1473266A3 (fr) 2004-12-08
DE602004001359D1 (de) 2006-08-10
ATE331687T1 (de) 2006-07-15

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