EP0941957A2 - Dispositif de verrouillage pour les éléments d'échelle d'un ascenseur de construction ou similaire - Google Patents

Dispositif de verrouillage pour les éléments d'échelle d'un ascenseur de construction ou similaire Download PDF

Info

Publication number
EP0941957A2
EP0941957A2 EP99104613A EP99104613A EP0941957A2 EP 0941957 A2 EP0941957 A2 EP 0941957A2 EP 99104613 A EP99104613 A EP 99104613A EP 99104613 A EP99104613 A EP 99104613A EP 0941957 A2 EP0941957 A2 EP 0941957A2
Authority
EP
European Patent Office
Prior art keywords
locking
pivot lever
elements
lever
profile
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
EP99104613A
Other languages
German (de)
English (en)
Other versions
EP0941957B1 (fr
EP0941957A3 (fr
Inventor
Thomas Schlund
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.)
GEDA Dechentreiter GmbH and Co KG
Original Assignee
DECHENTREITER MASCHF JOSEF
GEDA-Dechentreiter Maschinenbau GmbH
GEDA Dechentreiter GmbH and Co KG
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 DECHENTREITER MASCHF JOSEF, GEDA-Dechentreiter Maschinenbau GmbH, GEDA Dechentreiter GmbH and Co KG filed Critical DECHENTREITER MASCHF JOSEF
Publication of EP0941957A2 publication Critical patent/EP0941957A2/fr
Publication of EP0941957A3 publication Critical patent/EP0941957A3/fr
Application granted granted Critical
Publication of EP0941957B1 publication Critical patent/EP0941957B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/06—Securing devices or hooks for parts of extensible ladders
    • 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
    • B66B5/26—Positively-acting devices, e.g. latches, knives

Definitions

  • the invention relates to a locking device for the conductor elements Construction elevator or the like. According to the preamble of claim 1.
  • the invention is therefore based on the object of providing a lock, which the above Disadvantages eliminated and by means of which it is possible for the individual Easy, quick and safe assembly and removal of ladder elements.
  • the solution according to the invention has the essential advantage that without additional parts which are installed after the conductor elements have been plugged together would have to be, in a simple, quick and safe manner and without large Assembly effort a lock between the assembled conductor elements can be manufactured.
  • the dismantling of the ladder elements is also possible easily and quickly possible, since it is only necessary for the two Locking means of the locking device, i.e. so preferably provided locking rods, by means of a single operating handle to solve.
  • Ladder elements are obtained when the locking elements essentially are horizontally displaceable so that they are at least a pair of aligned through holes of a profile element and a tab reach through.
  • the locking elements expediently comprise at least one locking rod, especially two locking bars.
  • a secure guidance of the plug-in tabs without tilting when inserting one upper conductor element in a conductor element arranged below it achieves that in the upper area of the profile elements of a conductor element, engage in the respective tabs of an attached conductor element, a separating element over a predetermined length of the respective profile element is arranged such that an inserted tab between the Separating element and a wall of the respective profile element to lie is coming.
  • a good storage and guidance of the locking elements is then guaranteed if the separating element is one with the through hole of the respective profile element has aligned through bore in which the respective locking element is stored and managed.
  • the configuration according to the invention offers a particularly stable and reliable construction if the locking device has a crossbar has, which extends between two profile elements and on both sides the profile elements and / or on the separating elements arranged in the profile elements is attached.
  • a particularly simple lock that can be actuated with a handle is available characterized in that a pivot lever on the crossbar pivotable about Pivot point is articulated and that preferably two locking bars on this eccentric with respect to each other the center of gravity of the pivot lever are articulated.
  • a security surveillance regarding a complete locking of all Conductor elements is advantageously given in that on a along the Head of the construction hoist or the like.
  • Load lifting device that can be moved up and down, as ex. a conveyor basket, a transport platform or the like.
  • a limit switch is arranged such that this when passing the pivot lever triggers a stop contact when the swivel lever is in the unlocked position but does not trigger any contact when the swivel lever is locked Position.
  • a mechanically particularly simple and reliable safety monitoring is achieved when at least one ramp surface on the swivel lever is designed and arranged so that the limit switch contacts this, if the swivel lever is in a position in which it is fully or is partially unlocked.
  • the crossbar is U-shaped at its upper end and the pivot lever is articulated between the U-legs shaped in this way, the result is a particularly stable and reliable construction.
  • a clear positioning for unlocking and locking and at the same time one reliable fixation of the swivel lever in these swivel positions, see above that undesired automatic locking or unlocking is avoided, is achieved in that on the pivot lever in the direction of its longitudinal axis Slidable locking means is provided, which is both in the locking position as well as in the unlocking position of the pivot lever in one correspondingly arranged locking recess in the slot-shaped recess intervenes.
  • the locking means is preferably brought into engagement by gravity and is supported by spring force.
  • a spring is provided which the locking means in the locking direction energized.
  • the locking device can be configured to be manually or motor-operated be.
  • two ladder elements 10, 12 are the ladder of a construction elevator or the like. To connect by plugging together.
  • Each Conductor element 10, 12 comprises two lateral profile elements 14, which by cross struts 16 are connected and run parallel to each other.
  • each upper conductor element 10 are at its lower end on each profile element 14 plug-in tabs 18 fastened in such a way that they fit into corresponding recesses 20 at the upper ends of the profile elements 14 of the lower conductor element 12 then intervene when the upper conductor element 10 on the lower Head element 12 is attached.
  • the ladder of the construction hoist to be formed can depend on the desired one Length of any number of conductor elements 10, 12 put together become.
  • FIG. 1 shows only two conductor elements 10, 12.
  • the conductor elements 10, 12 are in the direction of arrow 22 pluggable or detachable from each other. 1 shows the pulled apart State, whereas Fig. 2 and 3 the assembled state illustrated.
  • the plug-in tabs 18 have through bores 24, which when plugged together Conductor elements 10, 12 with corresponding through holes 26 in the profile elements 14 are aligned (FIG. 2).
  • the respective recesses 20 are on the one hand by the profile elements 14 and on the other hand delimited by separating elements 28 arranged in the profile elements 14. With the upper conductor element plugged onto the lower conductor element 12 10, the respective plug tab 18 thus comes between a separating element 28 and a wall of the profile element 14 to lie. That way is one lateral guidance of the tabs 18 guaranteed.
  • FIG. 1 to 3 also show one between the profile elements 14 and between the dividing elements 28 arranged crossbar 30, the part of a near the plug-free ends of each conductor element 10, 12 arranged locking device and there is a separating element 28 or a profile element 14 is attached.
  • a pivot lever 32 is located on the crosspiece 30 articulated such that it can be pivoted about a pivot point 34.
  • two transverse locking rods 36 are arranged, with their one end on both sides of the lever pivot point 34 on the pivot lever 32 are articulated and with their respective other ends in a through hole 38 of the separating elements 28 engage or are guided there by means of a guide bush 40 are.
  • a limit switch 42 is in such a position provided that it runs up on ramp surfaces 44, 46 on the pivot lever 32 and thus an immediate contact to stop the lifting device moving upwards triggers when the pivot lever 32 in the position according to Fig. 1 or a similar position, d. H. so if not or not completely is locked.
  • the limit switch 42 passes the run-up surfaces 44, 46 without one Trigger stop contact when the pivot lever 32 in the in Fig. 2nd position shown, that is when is completely locked.
  • FIGS. 5 and 6 These two cases are shown enlarged in FIGS. 5 and 6.
  • the Limit switch 42 vertically upwards along a line 48 and hits in fully unlocked Position of the pivot lever 32 (Fig. 5) on the ramp 44 or in only partially unlocked position of the pivot lever 32 on the ramp surface 46.
  • FIG. 4 shows the locking device with crossbar 30 and pivot lever 32.
  • the crossbar 30 is U-shaped at its upper end 50, the pivot lever 32 between the two U legs 52 of the The crossbar 30 is articulated.
  • the locking rods 36 extend in FIG. 4 perpendicular to the plane of the drawing.
  • the crosspiece 30 is L-shaped.
  • L-leg 56 provided thereby is a slot-shaped recess 58 formed in which the pivot lever 32 is guided. This is particularly out 5 and 6 can be seen.
  • Slidable locking means 60 arranged on the pivot lever 32 arranged.
  • This has a locking lug 62 on, which in the locking position or unlocking position of the Swivel lever 32 in a respective recess 64 in the slot-like Recess 58 engages (Fig. 5 and 6).
  • the pivot lever 32 is both in its unlocked position (FIGS. 1 and 5) as well as in its locked position (Fig. 2 and 6) fixed, so that an accidental, undesirable Locking or unlocking is safely avoided.
  • the training is also such met that in intermediate positions of the pivot lever 32 self-locking is available.
  • a spring 68 is supported on the pivot lever 32 at a point 66, which on an opposite end a force on the locking means 60 in the locking direction exercises.
  • a grip tab 70 (FIGS. 5 and 6) is arranged on the latching means 60 in such a way that that when manually gripping the pivot lever 32, for example with the thumb of one hand, pressure can be applied, so that the locking means 60 can be moved against spring force and thus unlocked. After that the pivot lever 32 can then be pivoted into the desired position. In the corresponding unlocking position (Fig. 5) or locking position (FIG. 6), the grip tab 70 is preferred after actuating the pivot lever 32 relieved, so that the locking means 60 with its locking lug 62 in a locking recess 64 engages and fixes the pivot lever 32 in the respective position.
  • FIG. 7 and 8 illustrate the unlocked one in an enlarged detail Position (Fig. 7) and secondly the locked position (Fig. 8) of the locking rod 36.
  • Fig. 7 In the position shown in Fig. 7 is the Swivel lever 32 in the unlocked position (Fig. 1, 5).
  • the locking bar 36 is accordingly up to the through hole having the guide bush 40 38 withdrawn.
  • the arrangement of the locking rod 36 and their eccentric actuation by the swivel lever 32 is made in such a way that in the unlocked position the locking rod 36 is not is pulled out of the guide bush 40 of the through hole 38, however withdrawn so far that the upper conductor element 10 (Fig. 1) with its Insert tab 18 effortlessly out of the recess 20 of the lower conductor element 12 is extractable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Elevator Door Apparatuses (AREA)
EP99104613A 1998-03-11 1999-03-09 Dispositif de verrouillage pour les éléments d'échelle d'un ascenseur de construction ou similaire Expired - Lifetime EP0941957B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29804327U DE29804327U1 (de) 1998-03-11 1998-03-11 Verriegelungsvorrichtung für die Leiterelemente eines Bauaufzuges o.dgl.
DE29804327U 1998-03-11

Publications (3)

Publication Number Publication Date
EP0941957A2 true EP0941957A2 (fr) 1999-09-15
EP0941957A3 EP0941957A3 (fr) 2001-07-11
EP0941957B1 EP0941957B1 (fr) 2003-09-10

Family

ID=8053965

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99104613A Expired - Lifetime EP0941957B1 (fr) 1998-03-11 1999-03-09 Dispositif de verrouillage pour les éléments d'échelle d'un ascenseur de construction ou similaire

Country Status (3)

Country Link
EP (1) EP0941957B1 (fr)
AT (1) ATE249390T1 (fr)
DE (2) DE29804327U1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL215088A0 (en) * 2011-09-11 2011-10-31 Gilad Omri Telescopic ladder and locking mechanism thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR756404A (fr) * 1933-06-02 1933-12-09 Grue télescopique
GB1398269A (en) * 1971-11-05 1975-06-18 Ace Machinery Ltd Tower panel for a building site hoist
EP0510528A2 (fr) * 1991-04-23 1992-10-28 Langer geb. Layher, Ruth Elévateur pour matériaux de construction et éléments du échafaudage
CH688234A5 (de) * 1995-03-28 1997-06-30 Ebbs & Radinger Maschhandel Kletteraufzug.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1807169U (de) 1959-12-24 1960-03-03 Karl Sprattler Zerlegbare leiter.
DE2634752C3 (de) 1976-08-02 1979-10-25 Hailo-Werk Rudolf Loh Gmbh & Co Kg, 6342 Haiger Rastgelenk für Mehrzweckleiter
US4086980A (en) 1977-02-11 1978-05-02 Shortes Lois E Dismantling ladder
US4687076A (en) 1986-10-17 1987-08-18 Tu Nan Hsing Segment connector for modular ladder
DE3737295A1 (de) 1987-11-04 1989-05-18 Krause Werk Gmbh & Co Kg Gelenk fuer leitern
DE9214590U1 (de) 1992-10-28 1992-12-17 Schmitz, Egon, 5060 Bergisch Gladbach Vorrichtung zum Transport von Dachmaterial auf schrägen Dachflächen
US5692855A (en) 1994-06-21 1997-12-02 Farmers' Factory Co. Automatic quick-connect coupler for implements

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR756404A (fr) * 1933-06-02 1933-12-09 Grue télescopique
GB1398269A (en) * 1971-11-05 1975-06-18 Ace Machinery Ltd Tower panel for a building site hoist
EP0510528A2 (fr) * 1991-04-23 1992-10-28 Langer geb. Layher, Ruth Elévateur pour matériaux de construction et éléments du échafaudage
CH688234A5 (de) * 1995-03-28 1997-06-30 Ebbs & Radinger Maschhandel Kletteraufzug.

Also Published As

Publication number Publication date
DE29804327U1 (de) 1998-05-20
EP0941957B1 (fr) 2003-09-10
DE59906912D1 (de) 2003-10-16
ATE249390T1 (de) 2003-09-15
EP0941957A3 (fr) 2001-07-11

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