WO2020257892A1 - Agencement structural appliqué à un escalier mobile pour sortie de secours dans des bâtiments, avec dispositif de déplacement latéral - Google Patents

Agencement structural appliqué à un escalier mobile pour sortie de secours dans des bâtiments, avec dispositif de déplacement latéral Download PDF

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Publication number
WO2020257892A1
WO2020257892A1 PCT/BR2020/050065 BR2020050065W WO2020257892A1 WO 2020257892 A1 WO2020257892 A1 WO 2020257892A1 BR 2020050065 W BR2020050065 W BR 2020050065W WO 2020257892 A1 WO2020257892 A1 WO 2020257892A1
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WO
WIPO (PCT)
Prior art keywords
ladder
mobile
base
movable
platform
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.)
Ceased
Application number
PCT/BR2020/050065
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English (en)
Portuguese (pt)
Inventor
Rodrigo Domingues Da SILVA
Renato FIRMINO
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.)
Individual
Original Assignee
Individual
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
Priority claimed from BR202019013089-5U external-priority patent/BR202019013089Y1/pt
Application filed by Individual filed Critical Individual
Publication of WO2020257892A1 publication Critical patent/WO2020257892A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
    • E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
    • E06C9/12—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members laterally displaceable
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/02—Stairways; Layouts thereof
    • E04F11/04—Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible

Definitions

  • the present utility model patent application refers to an unprecedented constructive arrangement applied to a mobile staircase used for emergency exit in buildings, with a lateral displacement device, which aims to propose a mobile staircase that will allow users to carry out the evacuation and rapid movement from one floor to another in an emergency in a building, in an efficient, practical and comfortable way.
  • the field of application of the model in question is defined as devices, side displacement accessories for emergency stairs in case of fire, platforms on stairs or for use on stairs.
  • THE CONSTRUCTIVE ARRANGEMENT APPLIED TO MOBILE STAIRS USED FOR EMERGENCY EXIT IN BUILDINGS, WITH SIDE DISPLACEMENT DEVICE refers to a movable ladder connected to a device that includes a driving stick, which is connected to a lever that it ends by connecting to a sliding plate, in which said sliding plate is connected to a sliding ruler contemplated by spheres that provide its slide on a rail; said rail is connected to the bottom of a platform, so that the mobile ladder is connected to the cool side displacement device by means of a rotating axis and fastening elements.
  • the device aims to provide a lateral drive for a mobile ladder, in a practical and comfortable way, in an emergency situation, allowing users to carry out rapid evacuation and locomotion from one floor to another of the building.
  • FIG. 1 Perspective view showing the conventional upper and lower platforms, with their respective small gates and mechanisms
  • Figure 3 Perspective view of the constructive arrangement applied on a mobile ladder used for emergency exit in buildings, with lateral displacement device, showing an enlarged detail of the locking pins and their mechanism;
  • Figure 4 Perspective view of the constructive arrangement applied on a mobile ladder used for emergency exit in buildings, with a lateral displacement device, showing the mobile ladder in two positions: at rest and in action;
  • Figure 8 Perspective view of the constructive arrangement applied to a mobile ladder used for emergency exit in buildings, with a lateral displacement device, showing the enlarged detail of the support support for the mobile ladder, as well as the mechanism of the locking tongue on the bottom platform;
  • Figure 9 Perspective view of the constructive arrangement applied on a mobile ladder used for emergency exit in buildings, with lateral displacement, showing the enlarged detail of the box that accommodates the tongue rod;
  • Figure 10 Schematic view of the constructive arrangement applied on a mobile ladder used for emergency exit in buildings, with a lateral displacement device, showing details of the rod moving the mobile cover of the tongue mechanism;
  • Figure 11 Perspective view of the constructive arrangement applied to a mobile staircase used for emergency exit in buildings, with a lateral displacement device, showing the mobile staircase with its lateral displacement device applied to a building;
  • Figure 12 Perspective view of the innovation trail
  • Figure 15 Inverted bottom perspective view of the constructive arrangement applied on a mobile ladder used for emergency exit in buildings, with a lateral displacement device;
  • Figure 16 Perspective view of the constructive arrangement applied on a mobile ladder used for emergency exit in buildings, with a lateral displacement device, showing its use.
  • THE CONSTRUCTIVE ARRANGEMENT APPLIED ON MOBILE STAIRS USED FOR EMERGENCY EXIT IN BUILDINGS, WITH SIDE DISPLACEMENT DEVICE refers to a device (1) designed by a trigger rod (2), which comprises a circular handle ( 3) and a section (4), which is located at the bottom of the actuation rod (2), in which such section (4) is provided with holes (5), which are in accordance with the holes (7) provided in the section (6) of the lever (AL).
  • said lever (AL) comprises an “L” shape, with a base at 90 ° (8) and another base at 180 ° (9), in which the base at 180 ° (9) denotes holes (10), which has the function of connecting the actuating pole (2) and the lever (AL) on the rail (11).
  • Said rail (11) has a flap (12) equipped with holes (13) having the function of fixing the rail (11) on the bottom of the platform (P) of the building.
  • the rail (11) receives a sliding rule (16), which is provided with slightly conical holes (18) to accommodate spheres (17).
  • the sliding strip (16) also comprises holes (19) that are used to fix the sliding plate (14), provided with locking pins (20) provided in its section (S), to conform this fixation with the sliding strip (16) ).
  • the sliding plate (14) contains lateral holes (O) for receiving the cylindrical rods (H) provided with spherical tips (PO) of the hydrovacuum cylinders (CH). Furthermore, the sliding plate (14) has a recess (14 '), which is in agreement with the recess (15') provided for in the intermediate plate (15), which still comprises a hollow channel (21) to provide the crossing of a rotating axis (EG), which includes ends capable of coupling the movable ladder (E) by means of points (10A) and (10B). The same equipped with an orifice, to provide the fitting of a locking pressure shaft (ET), which has the function of keeping the movable ladder (E) coupled to the rotating shaft (EG).
  • a locking pressure shaft ET
  • the fixed handrail (CF) is formed by a fixed base (BF) welded on the base (B) of steps of the movable ladder (E), where on the fixed base (BF) there are at its ends an articulatory axis (EA ) connected to a vertical bar (BV), the same, equipped with three articulatory axes (EA), to which each articulatory axis (E) is connected to a horizontal bar (BH).
  • the mobile handrail (CM) is formed by a mobile base (BM), which is equipped with two hinges (D) with a rotating axis (EG) each, which are located at the bottom of the mobile base (BM), both fitted in the upper part of the base (B) of steps of the mobile ladder (E), where in the mobile base (BM) there is at its ends an articulatory axis (EA) connected to a vertical bar (BV), the same, equipped with three articulatory axes (EA), to which each articulatory axis (EA) connected in a horizontal bar (BH).
  • BM mobile base
  • D two hinges
  • EG rotating axis
  • the movable base (BM) of the movable handrail (CM) contains two mechanisms (M ') fixed on its side, which mechanisms (M') are formed by a rectangular plate (24), a rectangular ring (A) , an axle (D5) and a torsion spring (23).
  • the emergency door (D2) when the user finishes opening the emergency door (D2), he has access to the platform (P) and sees, on his right and parallel side, the emergency door (D2) and an actuation stick (2), positioned in the vertical position to the external side of the fixed railing (GF) of the platform (P), the actuation pole (2) having a height above the end of the fixed railing (GF) of the platform (P).
  • the user activates the actuation stick (2) pushing it in the opposite direction of the emergency door (D2), in which the actuation stick (2) is coupled in a lever (AL), the which is connected to a sliding plate (14), which results in its movement by means of spheres (17) fitted inside a sliding rule (16) fitted inside a rail (11); the rail (11) is screwed under the platform (P), and the sliding plate (14), by means of locking pins (20), is fixed in the holes (19) of the sliding rule (16).
  • the movable ladder (E) is combined with the sliding plate (14) by means of an intermediate plate (15) and a rotating axis (EG), said movable ladder (E) initiates the lateral displacement movement at the moment of actuation of the actuating pole (2), whereas, while the mobile ladder (E) remains retracted under the platform (P), the weight of the mobile ladder (E) maintains the null reverse mechanism of the hydrovacuum cylinders (CH), which are fixed on the movable ladder (E), therefore, it remains permanent in the horizontal position.
  • the actuating rod (2) when activated, results in the movement of the sliding plate (14) by means of the balls (17) fitted inside the sliding rule (16), in which it slides inside the rail (11); with the movement of the sliding plate (14), the movable ladder (E) moves laterally leaving the platform (P). While the displacement movement of the mobile ladder (E) takes place, its weight is neutralized, since the hydrovacuum cylinders (CH) detect the lightness on the mobile ladder (E), where such lightness results in the action of the reverse mechanism inside of the hydrovacuum cylinders (CH).
  • the movable ladder (E) attaches to the platform (P) at the moment when the locking pins (PE), fit and are fixed in each hole (01), located at the top of each vertical bar (BV ) of the fixed railing (GF) of the platform (P), as shown in Fig. 3. With the completion of these fittings, afterwards, the mobile ladder (E) remains firm and shaped on the upper floor of the platform (P).
  • each mechanism (M') is formed by a rectangular plate (24) with “L” shaped sides (24 '), which are welded on the side of the base movable (BM) of the mobile handrail (CM), even so, the lower part of the rectangular plate (24) includes a rectangular ring (A), fixed, the rectangular ring (A) having its lower part fixed between an axis (D5 ) and a torsion spring (23).
  • the rectangular plate (24) Between the sides of the rectangular plate (24), at the bottom, it includes the torsion spring (23) inserted in an axis (D5), in which each end of the axis (D5) fitted in the part of the curvature of the side of the rectangular plate ( 24), in which the axis (D5) has the function of structure for the torsion spring (23), and, follow the turning movement of the sides of the rectangular plate (24), according to the folding and lifting of the mobile handrail (CM ).
  • the torsion spring (23) inserted in an axis (D5), in which each end of the axis (D5) fitted in the part of the curvature of the side of the rectangular plate ( 24), in which the axis (D5) has the function of structure for the torsion spring (23), and, follow the turning movement of the sides of the rectangular plate (24), according to the folding and lifting of the mobile handrail (CM ).
  • the movable ladder (E) when starting the descent to its original position, causes the fixed base (BF) and the horizontal bars (BH) of the fixed handrail (CF) and, the mobile base (BM) and the horizontal bars (BH) of the mobile handrail (CM) start the downward movement of the mobile ladder (E), this action happens due to the articulatory axes (EA) located at the ends of the bases (BF) and (BM) and the horizontal bars (BH), in which the horizontal bars move to the tilt position at the end of the descent of the mobile ladder (E) to the lower floor, according to Fig. 7.
  • the movable ladder (E) when approaching the platform (P ') of the lower floor, more precisely at the end of the first step of the movable ladder (E), reaches the concave part (25) of the tongue (26), then it retracts with the aid of the shaft inserted in an expansion spring (27).
  • the movable ladder (E) is coupled to the platform (P ') and the first step of the movable ladder (E) rests on the support (28) of the platform (P'), as shown in Fig.8.
  • the tongue (26) expands by inserting itself into the inside the vertical opening (A2) of the first step of the movable ladder (E), as shown in Fig. 9.
  • each fitting pin (PE) reaches the end of each vertical bar (BV) of the fixed railing (GF) of the platform (P '), then the locking pins (PE) retract with the aid of a spring (M1) and then slide down the side of the bar reaching the hole (03), then, the locking pins (PE), when they reach the orifice (03), expand and attach to the vertical bar (BV) of the fixed railing (GF) of the platform (P).
  • the mobile ladder (E) will remain firm and shaped on the lower floor of the platform (P '), as can be seen in Fig.3 and Fig. 7.
  • the movable ladder (E) gets rid of the tongue (26) and the inserts of the pins (PE) and suspends only a few millimeters from the platform (P '), then the user, with one of your hands suspends the movable ladder (E) approximately 50cm so that there is a balance between the hydraulic oil concentrated in the lower part of the hydrovacuum cylinder (CH) in relation to the vacuum that is concentrated in its upper part, while the balance results in the weight of the movable ladder (E) being thrown upwards, an action that makes the rotation of the rotating axis (EG) of the movable ladder (E) counterclockwise, proceeding with its suspension movement to the upper floor .
  • CH hydrovacuum cylinder
  • the movable ladder (E) when starting the suspension, causes the fixed base (BF) and the horizontal bars (BH) of the fixed handrail (CF), and, the mobile base (BM) and the horizontal bars (BH) of the mobile handrail (CM), start the suspension movement of the mobile ladder (E).
  • the same when reaching the horizontal position on the upper floor, occurs when the horizontal position of the bases (BF) and (BM) and the horizontal bars (BH) is completed.
  • the movable ladder (E) initiates the suspension with agility and, at the same time, the cylindrical rod (H) initiates the exit from the inside of the hydro-vacuum cylinder (CH), pulling the hydraulic oil to its upper part.
  • the conversion action between the hydraulic oil and the vacuum inside both results in their resistance to neutralize the weight of the mobile ladder (E) upwards, such neutralization leads to the end of its suspension, with less agility, proceeding the ladder (E) to reach the horizontal position on the upper floor smoothly, free of impact.
  • the user rotates the rod (31) in the cavity of the movable cover (33) in the opposite direction of the rotation of the bar actuation, that is, in the anti-direction -schedule.
  • the tongue (26) returns to the exposed position on the external side of the platform (P '), then the user removes the rod (31) from the cavity of the movable cover (33), resulting in its suspension to the horizontal position and sealing the cavity of the actuation bar (34) of the tongue (26) of the movable cover (33).
  • the final procedures of the user are focused on closing the small gate (29 ') and guarding the rod (31) in the box (30).
  • the user closes the small gate (29) and continues to activate the actuation pole (2) towards the emergency door ( D2), forming the fitting and placement of the mobile ladder (E) under the platform (P).
  • the mobile ladder (E) is welcomed and protected by the double bar (22), located under the platform (P) and fitted in support (SP).
  • the permanent mobile ladder (E) is welcomed under the platform (P), until it is necessary to activate it in case of a need caused by an eventual accident that may occur inside the building.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)

Abstract

La présente demande de brevet de modèle d'utilité concerne un escalier mobile (E) constitué par un dispositif (1) de déplacement latéral, lequel présente une barre d'actionnement (2), un levier (AL), une plaque coulissante (14), une règle coulissante (16) avec sphères (17), un rail (11), une plaque intermédiaire (15) et un canal évidé (21), visant à assurer un actionnement latéral pour une échelle mobile (E), de manière pratique et commode, en situation d'urgence, permettant que les utilisateurs réalisent une évacuation et une locomotion rapide d'un étage à l'autre du bâtiment. Le champ d'application du modèle en question est défini comme les dispositifs, les accessoires à déplacement latéral pour escaliers de secours en cas d'incendie, les plateformes d'escaliers ou à utiliser dans des escaliers.
PCT/BR2020/050065 2019-06-24 2020-03-02 Agencement structural appliqué à un escalier mobile pour sortie de secours dans des bâtiments, avec dispositif de déplacement latéral Ceased WO2020257892A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRBR2020190130895 2019-06-24
BR202019013089-5U BR202019013089Y1 (pt) 2019-06-24 Disposição construtiva aplicada em escada móvel utilizada para saída de emergência em edifícios, com dispositivo de deslocamento lateral

Publications (1)

Publication Number Publication Date
WO2020257892A1 true WO2020257892A1 (fr) 2020-12-30

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PCT/BR2020/050065 Ceased WO2020257892A1 (fr) 2019-06-24 2020-03-02 Agencement structural appliqué à un escalier mobile pour sortie de secours dans des bâtiments, avec dispositif de déplacement latéral

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Country Link
WO (1) WO2020257892A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115610450A (zh) * 2022-10-28 2023-01-17 中铁四院集团新型轨道交通设计研究有限公司 一种悬挂式单轨移动疏散系统
CN116607821A (zh) * 2023-06-27 2023-08-18 山东厚俞实业有限公司 一种具有可收纳防滑爬梯的野营房

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6421160A (en) * 1987-07-16 1989-01-24 Naka Tech Lab Built-in type emergency staircase
WO1998059131A1 (fr) * 1997-06-23 1998-12-30 Donald John Emmerton Escalier pliant
BRMU8602729U (pt) * 2006-10-17 2008-06-03 Renato Firmino escada móvel externa acompanhada de plataforma para edifìcios
US20140291070A1 (en) * 2013-04-02 2014-10-02 Blair White Public Building and School Evacuation System
US10208539B2 (en) * 2014-11-18 2019-02-19 Michael Beard Extendable access device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6421160A (en) * 1987-07-16 1989-01-24 Naka Tech Lab Built-in type emergency staircase
WO1998059131A1 (fr) * 1997-06-23 1998-12-30 Donald John Emmerton Escalier pliant
BRMU8602729U (pt) * 2006-10-17 2008-06-03 Renato Firmino escada móvel externa acompanhada de plataforma para edifìcios
US20140291070A1 (en) * 2013-04-02 2014-10-02 Blair White Public Building and School Evacuation System
US10208539B2 (en) * 2014-11-18 2019-02-19 Michael Beard Extendable access device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115610450A (zh) * 2022-10-28 2023-01-17 中铁四院集团新型轨道交通设计研究有限公司 一种悬挂式单轨移动疏散系统
CN116607821A (zh) * 2023-06-27 2023-08-18 山东厚俞实业有限公司 一种具有可收纳防滑爬梯的野营房
CN116607821B (zh) * 2023-06-27 2023-11-24 山东厚俞实业有限公司 一种具有可收纳防滑爬梯的野营房

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