EP0610205A1 - Dispositif de fermeture de securite pour cabine d'ascenseur. - Google Patents
Dispositif de fermeture de securite pour cabine d'ascenseur.Info
- Publication number
- EP0610205A1 EP0610205A1 EP92910981A EP92910981A EP0610205A1 EP 0610205 A1 EP0610205 A1 EP 0610205A1 EP 92910981 A EP92910981 A EP 92910981A EP 92910981 A EP92910981 A EP 92910981A EP 0610205 A1 EP0610205 A1 EP 0610205A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door
- landing door
- cabin
- lever
- landing
- 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
Links
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000013475 authorization Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 108010066057 cabin-1 Proteins 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 241000557626 Corvus corax Species 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
Definitions
- the present invention relates to a safety closing device for an elevator car, the door of which is operated by an on-board lift operator.
- This device is intended to be used mainly on public works sites for which the provisional nature of the elevator installations, and the robustness that they are required are essential constraints.
- the object of the invention is to remedy these drawbacks by proposing a particularly robust and also particularly simple device.
- the device of the invention comprises a mechanism, entirely mechanical, permanently fixed to the doorframe of the landing door which, depending on the position it occupies, can either authorize the opening of the door landing if the elevator car door is open or authorize the closing of the elevator car door if the landing door is closed.
- This device cannot be operated from the landing. It can only be done by a lift operator on board the cabin.
- the subject of the invention is therefore a safety closing device for an elevator cabin maneuvered by an on-board lift operator and provided with a cabin door, this cabin being intended to stop opposite a sliding landing door, characterized in that that it includes a fully mechanical locking device, fixed to the landing door, to authorize the opening of the landing door only if the cabin door is open, and to authorize the closing of the cabin door only if the landing door is closed.
- FIG. 1 a schematic perspective view of the safety closure device according to the invention
- - Figures 2a and 2b sectional representations along the cutting plane P of Figure 1 of the two privileged operating positions of the safety closing mechanism of the invention
- FIG. 1 shows schematically the safety closure device according to the invention.
- an elevator car 1 capable of raise or lower in the directions of arrows 2 and 3.
- This cabin is operated by an elevator operator inside the cabin (not shown) and which causes the movement thereof known manner by pressing for example the control buttons.
- the cabin is provided with a cabin door 4 which, in one example, is provided with two leaves 5 and 6 which can pivot around vertical axes 7 and 8 respectively to open the door by turning inward.
- all types of doors are possible, sliding doors or even airlock doors for which, at the time of
- an airlock is deployed towards the outside of the cabin in the direction of a facade 9 comprising openings such as 10 and 11 opposite which 1 • elevator is supposed to stop.
- a landing door In each opening, for example opening 11, a landing door according to the invention has been placed.
- This landing door comprises an apparatus 12 capable of occupying two positions, position a and position b.
- a lever 13 In the position a lever 13 is raised and extends towards the outside of the front 9: towards the inside of the cabin 1 when the latter is placed in front.
- the lever 13 can only be operated from inside the cabin and it can of course be straightened to extend inside the cabin only if the door 4 thereof is open.
- the elevator of the invention essentially relates to elevators with on-board lifters.
- the lever 13 In position b the lever 13 is folded back against the front 9: the door 4 of the cabin can be closed and the cabin 1 can then move along the front opposite all the openings.
- the length of the lever 13 is of the order of 50 cm to 1 meter so that it extends very clearly inside the cabin.
- the lever 13 is for example a metal bar whose cross section is approximately 2 cm 2 . At the end of the lever, to ensure its handling, there is a handle 14, this is optional.
- the landing door adapted to the mechanism of the invention is essentially a sliding landing door.
- This is normally slidably mounted on two slides 15 and 16 respectively lower and upper connected together by a set of crossed spacers such as 17 to 19.
- This assembly is fixed to a plate 20 intended to be fixed itself against the inner face of the facade 9.
- the length of the slides 15 and 16 is such that it allows the door to be held when the latter obstructs the opening 11, when it is slid sideways.
- the doorframe of the landing door of the invention can be provided with opening limitation plates such as 21 which hide the openings 11 in a non-useful part thereof if these openings are wider than the door used .
- the assembly containing the slides 15 and 16, the spacers 17 to 19, the plate, the device 12 and the lever 13, can be easily transported when the lever is folded against the landing door. Indeed, in this case this assembly is substantially flat: one can easily stack several copies of these doors on top of each other.
- Figures 2a and 2b show, in section, the operation of the apparatus of the invention.
- the lever 13 extends in the direction of the cabin (not shown), in FIG. 2b the lever 13 is folded back against the landing door 22.
- Figure 3 shows in perspective the same elements as Figures 2a and 2b.
- the apparatus of the invention essentially comprises a plate 23 provided with a notch 24 and moreover capable of rotating around an axis 25. The rotation around the axis 25 is caused by the manipulation of the lever 13 which is fixed , for example by mechanical welding, to the plate 23.
- the plate 23 in the example shown is circular. This is however not an obligation.
- the axis of rotation 25 is parallel to the slides 15 and 16, that is to say parallel to the base or at the top of the landing door 2 or of the cabin door 4 Under these conditions, the plane of the plate 23 is perpendicular to the plane of the facade 9 and of course to its axis of rotation.
- the lever 13 extends in the plane of the plate 23. In this same plane the notch 24 is perpendicular to the extension of the lever 13.
- the device is placed at the top of the door.
- the door 4 has been opened (it is no longer shown) the lever 13 is straightened and extends inside the cabin 1. In doing so, the notch 4 is presented in alignment with the plane of the door 22. The latter can then slide on the slides 15 and 16 while passing through this notch. So we see the following thing. If the door 4 is not open, it is of course not possible to straighten the lever 13 and therefore the plate 23 is opposed to the sliding of the door: the latter cannot be opened.
- the door 22 can be freely opened or closed, but in this case it necessarily leads to the cabin 1, the interior door of which cannot be closed due to the presence of the lever 13 in extension inside this cabin.
- This mechanism is particularly simple. It offers the advantage of being easily understandable by users on construction sites and therefore, in the event that a part is slightly twisted, they can easily intervene to straighten it with hammer blows, thus preserving the system all the security that 'it provides.
- the round plate has a diameter of 8 cm and a thickness of about 1 cm.
- Figure 3 shows the fixing system of the axis 25. It is simply taken in two bearings 26 and 27 fixed on the slide 16. The slide 16 is shown in two parts in Figure 3. However, this n is not an obligation. It is only necessary to provide a slot in this slide to allow the plate 23 to be inserted therein.
- the axis 25 is parallel to the slide 16.
- the door 22, shown in Figure 3 by its frame 28 has a slot 29 which allows, when the lever is folded down and the door 22 is closed, this door 22 to extend beyond the plumb of the lever . This makes it possible to prevent tools from being thrown inadvertently by the crack which results from the size of the lever 13 and of the plate 23. heard to limit the movements of the door on either side, the slides 15 and 16 are provided at the end with cleats such as 29.
- the lever described weighs a certain weight and it could happen that it goes down naturally when we try to open the door.
- a raven 31 which is placed behind the plate 23 relative to the lever 13.
- a telescopic rod 32 carrying, by intermediate of a spring, compression between the field of the plate 23 and the crow 31.
- the plate 23 then has on its periphery two small rounded cavities 33 and 34 in which the end of the telescopic rod 32 is fitted. This embedding is sufficient to maintain the lever 13 in a stable manner in each of the two positions that it is supposed to occupy.
- Figure 4 shows another embodiment of the invention which is inspired by the same spirit.
- the apparatus 12 has been drawn as if it were placed at ground level near the slide 15.
- a bell 34 has been fixed to the lever 13, or even a full cylinder, capable of turning on itself about a vertical axis 35 parallel to a vertical upright of the landing or cabin doors.
- the cylindrical part is here circular cylindrical, but it is not necessary.
- the bell has two diametrically opposite notches 36 and 37 capable of being placed, by operating the lever 13, in alignment with the slide 15. When the lever 13 extends perpendicular to the slide 15, the notches 36 and 37 are aligned with this slide. In the example shown, the slide 15 was passed all along and above the floor corresponding to the opening 11.
- the device of the invention does not preclude that, in a redundant manner, electrical safety devices are produced in the edges of the landing doors to detect their openings and closings.
- the roof and the underside of the cabin floor are each provided with a wire 50 (FIG. 1) stretched between two small masts (51 and 52 for the wire under the cabin).
- This wire is also integral with an end of race circuit 53 which delivers an electrical signal 54 which can be used to stop the vertical movement of the cabin when it happens that, for an abnormal reason, one of the levers 13 extends out of the facade while the cabin is not opposite the opening which corresponds to this lever.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9106062 | 1991-05-17 | ||
| FR9106062A FR2676429B1 (fr) | 1991-05-17 | 1991-05-17 | Dispositif de fermeture de securite pour cabine d'ascenseur. |
| PCT/FR1992/000383 WO1992020605A1 (fr) | 1991-05-17 | 1992-04-29 | Dispositif de fermeture de securite pour cabine d'ascenseur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0610205A1 true EP0610205A1 (fr) | 1994-08-17 |
| EP0610205B1 EP0610205B1 (fr) | 1995-12-13 |
Family
ID=9412924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92910981A Expired - Lifetime EP0610205B1 (fr) | 1991-05-17 | 1992-04-29 | Dispositif de fermeture de securite pour cabine d'ascenseur |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0610205B1 (fr) |
| AT (1) | ATE131451T1 (fr) |
| DE (1) | DE69206817T2 (fr) |
| ES (1) | ES2086741T3 (fr) |
| FR (1) | FR2676429B1 (fr) |
| WO (1) | WO1992020605A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2313104A (en) * | 1996-05-17 | 1997-11-19 | Jeffrey John Gunn | Manually operated landing gate lock |
| DE102009033010B4 (de) | 2009-07-02 | 2012-04-05 | Steinweg-Böcker-Baumaschinen GmbH | Ladestellentor mit einem Bauaufzug |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1717492A (en) * | 1923-09-18 | 1929-06-18 | Otis Elevator Co | Lever latch |
| GB278138A (en) * | 1926-08-12 | 1927-10-06 | Albert Frederick Coates | Improvements in, or relating to, means for locking lift doors |
| GB1047977A (en) * | 1964-09-01 | 1966-11-09 | Ace Machinery Ltd | Improvements in or relating to hoists |
| GB1265989A (fr) * | 1969-11-03 | 1972-03-08 |
-
1991
- 1991-05-17 FR FR9106062A patent/FR2676429B1/fr not_active Expired - Fee Related
-
1992
- 1992-04-29 DE DE69206817T patent/DE69206817T2/de not_active Expired - Fee Related
- 1992-04-29 WO PCT/FR1992/000383 patent/WO1992020605A1/fr not_active Ceased
- 1992-04-29 ES ES92910981T patent/ES2086741T3/es not_active Expired - Lifetime
- 1992-04-29 AT AT92910981T patent/ATE131451T1/de not_active IP Right Cessation
- 1992-04-29 EP EP92910981A patent/EP0610205B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9220605A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1992020605A1 (fr) | 1992-11-26 |
| DE69206817T2 (de) | 1996-05-23 |
| FR2676429B1 (fr) | 1993-08-20 |
| ES2086741T3 (es) | 1996-07-01 |
| ATE131451T1 (de) | 1995-12-15 |
| EP0610205B1 (fr) | 1995-12-13 |
| FR2676429A1 (fr) | 1992-11-20 |
| DE69206817D1 (de) | 1996-01-25 |
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