EP0374194A1 - Systeme for driving carriages on a rail and process for operating same. - Google Patents
Systeme for driving carriages on a rail and process for operating same.Info
- Publication number
- EP0374194A1 EP0374194A1 EP89900830A EP89900830A EP0374194A1 EP 0374194 A1 EP0374194 A1 EP 0374194A1 EP 89900830 A EP89900830 A EP 89900830A EP 89900830 A EP89900830 A EP 89900830A EP 0374194 A1 EP0374194 A1 EP 0374194A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carriage
- carriages
- seats
- downstream
- row
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
- E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
- E04H3/12—Tribunes, grandstands or terraces for spectators
- E04H3/123—Telescopic grandstands
Definitions
- Trolley drive system on a rail and method for its implementation
- the present invention relates to a system and method for driving mobile carriages on a rail, as well as an application to an installation and method for storing and placing the seats of a room with multiple events.
- the patent DE-1.25 .852 is also known, in which an installation for storing and installing rows of seats comprising at least two carriages connected by a connecting element is described. Such an installation has drawbacks in use, especially in terms of spectator safety.
- the patent FR-2,500,509 is also known, in which the floor comprises at least two elements hinged together, and at least one of the elements carries retractable rails on which several rows of seats can be slid, but it no mention is made of automatic means of moving them.
- the present invention therefore aims to overcome the drawbacks set out above by proposing a storage installation and installation of seats from a low volume storage area to a use area e conversely by implementing a system and automatic procedure for driving the carriages.
- Another objective is to allow the automatic removal of the seats from a floor with several inclinations to transform it into a floor of a single inclination without seats and vice versa.
- Yet another objective of the present invention is to allow the partial placement of the rows of seats depending on the intended use of the room.
- the invention firstly relates to a system for driving movable carriages on a rail, ensuring the passage from a first zone in which the carriages are brought close to a second zone in which the carriages are separated and conversely, comprising at least two carriages connected by a flexible or foldable connecting element.
- the system is distinguished in that said liaiso element has a predetermined clearance (D) relative to the carriage dan the direction of the rail, and in that it also comprises carriages for driving the carriages via a retractable storage member, arranged on a drive chain at predetermined intervals between a length L and (LD), L being the length maximum pitch between two consecutive carriages, said chain being attached to the last carriage and extending parallel to the rail over the entire second zone and partly over the first zone.
- D predetermined clearance
- said flapping is produced by a longitudinal clearance of at least one articulation of the connecting element on the carriage.
- the retractable member of the carriages is an elongated member, articulated to the carriage, and is subjected to the return of a spring which tends to keep it in the projecting position and oriented towards the storage area, said member being retractable. upwards when the tabs pass in the direction of the storage area.
- the subject of the invention is also, in application of the above system, an automatic installation for storing and placing the seats of a room comprising a floor comprising at least two longitudinal rails; the installation stands out in that it includes in combination:
- said connecting element consists of two blades connected to each other by at least one substantially central hinge.
- the movement of the connecting element of said system is carried out on the upstream plate which further comprises an inclined face oriented towards the storage area and intended to initiate the folding of the blades when a stop of the carriage comes against it at the start of the storage operation.
- the floor comprises, at its upper level above the rails, lateral grooves facing one another, in which a continuous covering element for the rails can slide when the seats are stored .
- said carriage drive system also drives the continuous covering element, the latter being fixed to the last carriage.
- the present invention also relates to a procedure implementing the system for storing and placing trolleys:
- This method comprises the deployment of a first phase in which the upstream carriage driven by the chain pulls the downstream carriage from the off-chain storage area to the drive chain by means of the connecting element its tensioned; in a second phase, said downstream chario is towed individually by a chain catch.
- the upstream carriage in a first phase, is pushed back to the downstream carriage to compress or fold the connecting element; finally, the downstream seat row is driven back by the upstream row of seats by contact of the amon trolley with the downstream trolley.
- a final object of the present invention is an application of this process to the automatic storage installation and installation of seats in a room.
- the process is identical to the previous one except that:
- the cover strip is also slid simultaneously in the opposite direction to the storage area;
- the continuous covering strip is also made to slide simultaneously towards the storage area;
- Fig.-l shows an overall view of a room and seats in the storage position (la) and implementation (lb);
- - Fig.-2 is a partial view of the installation showing the connection of the last carriage with the chain and delimiting an area outside the chain;
- - Fig.-3 shows a row of seats mounted on a beam
- - Fig.-4 is a view of two carriages respectively from left to right downstream and upstream, driven by a chain;
- FIG.-5 shows two carriages close together, the connecting blade being folded
- FIG.-6 is a view along A-A of Figure 4 showing the rail and the carriage in cross section.
- - Fig.-7 shows four positions of the upstream plate relative to the carriage according to different phases of the process.
- the installation is divided into two juxtaposed zones which can communicate with each other, a first zone (1) intended for the storage of seats, a second (2) for their installation in the multiple event room.
- the so-called storage area has the advantage of being constituted by a volume under the stage (3), but could be opposite, located behind the room.
- the installation comprises (FIGS. 3 and 2), on the one hand rows of seats (4) mounted on metal beams (5) resting on at least two rolling carriages (6,6 '), and on the other hand means for moving the seats from one zone to another and vice versa.
- the means for moving a row of seats mounted on a beam comprise drive motor means for said rolling carriages, which cooperate individually with a rail (7) for their guidance and their "rolling".
- each rail consists of two metal beams (8) of U-shaped section, arranged in parallel, their concave part facing each other so as to form therebetween a lower and upper groove. They extend over the entire length of the first and second zones, and their upper level is slightly below the level of the floor (9).
- the carriage comprises a chassis (10) mounted on four wheels (11) with an internal circular shoulder (12) for guiding in the lower groove of the rail.
- the road surface Lement is carried out by the internal surface of the lower branch of each beam.
- the linear drive motor means are produced by two chains (13 synchronized which encroach on the first zone and which extend over the whole of the second zone. They rotate around a drive gear and a gear return
- the chains are formed of 190 mm links and support a breaking load of 5.6 t calculated to move about 20 rows of 14 seats. Note that only the last carriages (14 ) are fixed to the links of their respective drive chain. Without modifying the principle of the invention, it may be advantageous to fix the chain substantially in the middle of a very long carriage common to the last two rows of seats, to allow the installation of the last row beyond the rear idler wheel.
- each chain is provided with cleats (15 for driving the individual carriages.
- cleats have a vertical attack face (16) and are spaced apart in length corresponding to the width of the span between two rows of seats. In this case, the spacing between two consecutive cleats was set at 850 mm.
- the carriages include (fig.-4) a member (17) for hanging downwardly protruding in an elongated shape, inclined by about 30 ° relative to the vertical in the direction of the storage area.
- This member mounted in rotation about a horizontal axis (18) of the carriage, is subjected to the tension of a spring (not shown) which tends to keep it in projecting position.
- the lower end (19) is intended to obstruct the attack face of the cleat while the opposite end abuts against the base of the carriage.
- the carriage also includes horizontal hinges contiguous with an axis (20) integral with the carriage and upstream hinge plates ⁇ e- - downstream (21,22 in two parts, a lower part and a cover plate.
- the plate (21) upstream of each carriage comprises a recess (23) of rectangular cross section and lon approximately 20 mm which allows the plate to have a longitudinal clearance (D) of approximately 15 mm taking into account the diameter of the articulation axis. It also comprises from left to right a lower flat surface terminated by a pan (24) inclined about 45 ° downwards intended to come against a stop (25) of the carriage located below the flat surface of the plate to initiate its inclination.
- This stop appears in the figure, it has the shape of a cylinder arranged horizontally and fixed by welding to the carriage. The maximum distance between the cylinder and the inclined plane must be less than the travel of the plate (about 10 mm).
- the carriages are connected by a connecting element (26) which allows the carriages to be brought together (with the possible exception of the last two rows if they have a common carriage of great length).
- It can be flexible in bending but rigid in traction or, as in the illustrated embodiment, it can be formed by two blades (27, 28) comprising a hinge (29) substantially central, and slightly wider than the grooves formed by the guide rails. They are each fixed to the plates by removable means, for example by screwing (30).
- the predetermined maximum distance (L) of the pitch between two consecutive carriages is 855 mm. In the implementation, this distance is valid for all the spans but it may be advantageous to increase it gradually as a function of the distance from the scene to improve the visibility of the spectator when the floor is horizontal.
- the seats are preferably foldable in order to be able to bring the rows as close together as possible until the carriages touch.
- the blades are then folded, form an acute angle between them and are placed almost vertically between two consecutive rows.
- the maximum size of the seats corresponds to the cumulative length of the carriages in the joined position with each other and the storage volume can be reduced considerably to the volume, located under the stage. For example, the size can be reduced at least to half that of the seats deployed.
- the slats appearing at each inclination of the floor are provided with several articulations which allow them to follow the possible change of slope.
- FIG. 1a it can be seen schematically that the seats are stored under the stage. In this position all the rows, except the last one, are out of the chain, that is to say that the hooking members are out of the range of the driving cleats.
- the chain is activated, the last (or also the penultimate) row is dragged out of the storage area away from the next row tandi that the angle formed between the two blades increases as and measurement of the distance from the driven row.
- the angle reaches 180 °, the next row is pulled outwards via the connecting blades and the distance separating the two moving carriages is then maximum (L), the upstream stage adopting the configuration (c) (fig.-7) in which horizontally, it is moved as far as possible from the stop (25) of the carriage.
- the row arrives within range of the chain stops at a speed identical to the linear speed of the chain.
- the plate comes into contact with the attachment member of the carriage while it is still on the periphery of the toothed wheel. From this point and as long as the cleat describes an arc of a circle, there is a transition phase during which the carriage drive is relayed by the chain via the stopper and during which the row of seats in the hanging area is brought closer to the previous one until the distance separating it from the previous row equalizes that separating two consecutive cleats, and the plate adopts the configuration (d) in which the axis of articulation and l stop have clearance upstream and downstream respectively.
- the chain drive is deactivated by a limit switch for example, and an immobilization system for each cart intervenes; these may for example be brakes fixed to the rails at locations corresponding to the position of the seats and exerting friction of adjustable intensity on the chassis of each carriage.
- Such a system can advantageously be produced by a cam rotating about an axis fixed to the rail which is pivoted by a lever connected to a common rod parallel to the rail which is actuated by a jack arranged at the end of the rail.
- This cam comes into contact with the upper surface of the carriage and blocks its movement according to any degree of freedom. Of course other blocking means could be retained.
- the seats are stored according to the process described below.
- the chain is activated in the opposite direction to the previous operation and drives the last carriages to the storage area.
- the carriage approaching the front row the cylinder comes into contact against the inclined face of the plate (in accordance with the configuration (e) fig.-7) which causes it to tilt upwards, which obviously has the effect of cause the bending of the connecting blades to start.
- the latter continue to bend until the front of the moving carriage comes into contact with the rear of the preceding carriage (configuration (f) plate raised).
- this second carriage approaches that which precedes it and operates in the same manner as above.
- hooking members are then retractable upwards when the coach cleats pass; on the other hand, for correct operation of the installation it is of course advisable to have the drive chains synchronized.
- the closing of the grooves when the seats are stored is also effected by a covering strip (not shown), for example a flexible, elastic metal blade of the length of the rails of the area of use. This blade slides flat in lateral grooves (32) facing each other at floor level. The recovery is done at the same time as the operation of pushing back the rows towards the storage area because the metal strip is ac- * - • hooked at the back of the last carriage and fills the void of the groove as and as it moves.
- a covering strip for example a flexible, elastic metal blade of the length of the rails of the area of use. This blade slides flat in lateral grooves (32) facing each other at floor level.
- the recovery is done at the same time as the operation of pushing back the rows towards the storage area because the metal strip is ac- * - • hooked at the back of the last carriage and fills the void of the groove as and as it moves.
- this strip can be pulled on the one hand by a system of pressure rollers (not shown) located under the floor at the back of the room and on the other hand
- a pressure roller pressing the blade against a motor roller.
- the lower surface of the grooves is coated with a material (31) with a low coefficient of friction.
- the blade can be rolled up on a
- the void of the rail grooves is closed by the unwinding of the lam and the floor has a uniform surface.
- the invention allows very advantageously to carry out this transformation by having u floor consisting of several parts hinged together and lifting means of each part as defined in l
- the seats may have, in the storage area, a rearward inclination pa relative to the vertical equivalent to the inclination relative to the horizontal of their corresponding floor.
- a variable inclination of all or part of the rows of seats by means for example of an articulation of the beams at the level of the carriages.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Tents Or Canopies (AREA)
Abstract
La présente invention concerne un système d'entraînement de chariots mobiles sur un rail et son procédé de mise en oeuvre. Le système assure le passage d'une première zone, dans laquelle les chariots sont rapprochés, à une deuxième zone dans laquelle les chariots sont écartés, et inversement. Il est caractérisé en ce qu'il comprend: au moins deux chariots (6, 6') reliés par un élément (26) de liaison souple ou pliable; des taquets (15) d'entraînement des chariots via un organe escamotable au rangement, disposés sur une chaîne (13) motrice à intervalles prédéterminés. L'invention concerne également une application à une installation de rangement et de mise en place de sièges ainsi qu'à son procédé de mise en oeuvre.The present invention relates to a system for driving mobile carriages on a rail and its method of implementation. The system ensures the passage from a first zone, in which the carriages are brought together, to a second zone in which the carriages are separated, and vice versa. It is characterized in that it comprises: at least two carriages (6, 6 ') connected by a flexible or foldable connecting element (26); cleats (15) for driving the carriages via a retractable member for storage, arranged on a driving chain (13) at predetermined intervals. The invention also relates to an application to an installation for storing and positioning seats as well as to its method of implementation.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89900830T ATE64645T1 (en) | 1987-12-30 | 1988-12-15 | DRIVE SYSTEM AND APPLICATION METHOD FOR CARRIAGES MOVABLE ON A RAIL. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8718414A FR2625470B1 (en) | 1987-12-30 | 1987-12-30 | SYSTEM FOR DRIVING MOBILE TROLLEYS ON A RAIL AND METHOD FOR IMPLEMENTING SAME |
FR8718414 | 1987-12-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0374194A1 true EP0374194A1 (en) | 1990-06-27 |
EP0374194B1 EP0374194B1 (en) | 1991-06-19 |
Family
ID=9358474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89900830A Expired - Lifetime EP0374194B1 (en) | 1987-12-30 | 1988-12-15 | Systeme for driving carriages on a rail and process for operating same |
Country Status (7)
Country | Link |
---|---|
US (1) | US5018452A (en) |
EP (1) | EP0374194B1 (en) |
JP (1) | JPH02502838A (en) |
AU (1) | AU2907589A (en) |
BR (1) | BR8807394A (en) |
FR (1) | FR2625470B1 (en) |
WO (1) | WO1989006300A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4073802B2 (en) * | 2003-02-12 | 2008-04-09 | 株式会社タチエス | Seat slide device |
WO2014036641A1 (en) * | 2012-09-07 | 2014-03-13 | Gestion Laforest Inc. | Multipurpose room, carriage for use in a multipurpose room and method of installing and removing seat members on and from a floor of a multipurpose room |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US308656A (en) * | 1884-12-02 | du bois | ||
FR369879A (en) * | 1906-09-18 | 1907-01-23 | Edoux Et Cie Soc | New rollover floor system |
US2147564A (en) * | 1937-08-11 | 1939-02-14 | Ella M Vance | Foldable structure |
US2675173A (en) * | 1948-02-28 | 1954-04-13 | Jendrasski George | Apparatus effecting pressure exchange |
DE1015210B (en) * | 1953-09-05 | 1957-09-05 | Rico Mayer | Mobile row seating in a theater |
GB775760A (en) * | 1953-09-12 | 1957-05-29 | Hills West Bromwich Ltd | Improvements in, or relating to, staging |
US3145909A (en) * | 1957-04-26 | 1964-08-25 | Ite Circuit Breaker Ltd | Pressure transformer |
DE1254852B (en) * | 1960-01-06 | 1967-11-23 | Friedrich Huhn | Seating for rooms that can be used with or without seating |
FR1287511A (en) * | 1961-02-01 | 1962-03-16 | Retractable floor for meeting room | |
DE1254842B (en) * | 1966-01-19 | 1967-11-23 | Tax Hans | Luffing crane |
DE2035188A1 (en) * | 1970-07-15 | 1972-01-27 | Wilhelm Bofinger Moebelwerksta | Device for furnishing multi-purpose halls |
US3748798A (en) * | 1972-05-11 | 1973-07-31 | C Mackintosh | Foldable grandstand |
DE2735911A1 (en) * | 1977-08-10 | 1979-02-22 | Trepel Ag | Easily movable seating rows for multi-purpose halls - has fixing mechanism stabilising seat support carriage through action of castors |
EP0002865B1 (en) * | 1977-12-23 | 1981-09-02 | Armand Wijnant | Installation to transform a hall at will |
CA1086138A (en) * | 1978-02-09 | 1980-09-23 | Allen Group, Inc. (The) | Vehicle conveyor system having double chain drive and selectable dolly |
FR2500509B1 (en) * | 1981-02-26 | 1985-10-25 | Chauvet Henri | MOBILE FLOOR STRUCTURE |
US4438702A (en) * | 1982-06-30 | 1984-03-27 | Rhodes Arthur B | Endless conveyor system |
AT390459B (en) * | 1988-02-23 | 1990-05-10 | Plasser Bahnbaumasch Franz | METHOD AND TRACKABLE SWITCH LEVELING, TAMPING AND LEVELING MACHINE ARRANGEMENT FOR PROCESSING IN SWITCH AREAS |
-
1987
- 1987-12-30 FR FR8718414A patent/FR2625470B1/en not_active Expired - Fee Related
-
1988
- 1988-12-15 BR BR888807394A patent/BR8807394A/en unknown
- 1988-12-15 JP JP1500758A patent/JPH02502838A/en active Pending
- 1988-12-15 AU AU29075/89A patent/AU2907589A/en not_active Abandoned
- 1988-12-15 EP EP89900830A patent/EP0374194B1/en not_active Expired - Lifetime
- 1988-12-15 WO PCT/FR1988/000616 patent/WO1989006300A1/en active IP Right Grant
- 1988-12-15 US US07/415,206 patent/US5018452A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8906300A1 * |
Also Published As
Publication number | Publication date |
---|---|
US5018452A (en) | 1991-05-28 |
FR2625470B1 (en) | 1995-01-06 |
BR8807394A (en) | 1990-05-08 |
WO1989006300A1 (en) | 1989-07-13 |
AU2907589A (en) | 1989-08-01 |
FR2625470A1 (en) | 1989-07-07 |
EP0374194B1 (en) | 1991-06-19 |
JPH02502838A (en) | 1990-09-06 |
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