EP3722539B1 - A fixed system for protection against falls from height - Google Patents

A fixed system for protection against falls from height Download PDF

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Publication number
EP3722539B1
EP3722539B1 EP19191866.3A EP19191866A EP3722539B1 EP 3722539 B1 EP3722539 B1 EP 3722539B1 EP 19191866 A EP19191866 A EP 19191866A EP 3722539 B1 EP3722539 B1 EP 3722539B1
Authority
EP
European Patent Office
Prior art keywords
roof
steel rope
horizontal
vertical
plug
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.)
Active
Application number
EP19191866.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3722539A1 (en
Inventor
Mariusz Golkowski
Marek Budnicki
Tomasz Biela
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.)
Cbr Rock Master Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa
Original Assignee
Cbr Rock Master Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa
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 Cbr Rock Master Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa filed Critical Cbr Rock Master Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa
Publication of EP3722539A1 publication Critical patent/EP3722539A1/en
Application granted granted Critical
Publication of EP3722539B1 publication Critical patent/EP3722539B1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3276—Arrangements on buildings for connecting safety-lines
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0043—Lifelines, lanyards, and anchors therefore
    • A62B35/005—Vertical lifelines
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0043—Lifelines, lanyards, and anchors therefore
    • A62B35/0056—Horizontal lifelines
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B35/00—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion
    • A62B35/0081—Equipment which can travel along the length of a lifeline, e.g. travelers
    • A62B35/0087—Arrangements for bypassing lifeline supports without lanyard disconnection
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
    • E04G21/3295—Guide tracks for safety lines
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • E06C7/185—Devices providing a back support to a person on the ladder, e.g. cages
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • E06C7/186—Rail or rope for guiding a safety attachment, e.g. a fall arrest system

Definitions

  • the object of the invention is a fixed system for protection against falls from height, in particular from roofs of buildings, providing continuity of securement while entering and while staying on a roof.
  • EP 1 818 480 A2 there is in turn known another horizontal securement system, consisting of numerous elements, intended for use on the roofs, provided with a main guide placed parallel to the roof surface, at a certain distance from its edge, which enables the user to safely reach the edge of the roof as well as to reach its corners.
  • EP 2 606 939 A2 there is a known system, securement rope and method preventing people from falling off the corners of the roofs, which comprises a special harness and a securement rope meant to fasten a person working in a corner of a roof simultaneously and directly to two anchors mounted on the roof surface.
  • EP 2 712 982 A1 there is a known horizontal system protecting and preventing falls from the roofs placed along their edges, but at a certain distance from them, to which securement ropes are attached, used to fasten people working at heights to them.
  • This system consists of a set of concrete weights placed on the roof, connected to each other by means of pipes or rods, on which the guides of securement ropes are mounted.
  • WO 2012/164278 A1 discloses a fixed system with the features of the preamble of claim 1.
  • an additional anchoring intermediate post is fixedly placed at a certain distance from the edge of a roof or a hatch.
  • this requires the user to use a double, quite long safety rope, and perform a number of complicated, nonstandard actions, which is not without impact on his safety. It is therefore desired to fixedly connect the elements of vertical (protecting a person climbing a ladder or exiting a hatch) and horizontal securement (placed fixedly on a roof slope) into one integrated fixed system whose use does not additionally require the user to perform complicated actions, in particular near the edge of a roof or a hatch.
  • a solution to a number of previously existing problems can be provided by the use of a fixed system according to the invention.
  • the object of the invention is to prepare a new fixed system allowing safe performance of work at heights.
  • a fixed system for protection against falls from height comprises a steel rope of a horizontal system, positioned substantially parallel to the roof surface, and a steel rope of a vertical system, whose upper segment is fixedly connected to one of the posts of the horizontal system, the steel rope of the horizontal system being fixedly situated above the roof level by means of at least two posts of the horizontal system, and the steel ropes of the vertical or horizontal system are provided with a connection assembly, which comprises a plug provided with a mandrel, a guide with a circular tubing.
  • a plug socket for the plug placed in a mounting element, along with a guide with a circular tubing, in which the end of another segment of the steel rope is fixed in position.
  • fig. 1 presents the system according to the invention, comprising a rope of the vertical system 1 and a ladder 2 provided with a longeron 9 (in an embodiment comprising a ladder 2 leading onto the roof 3 along an outer wall of a building);
  • fig. 2 presents the system according to the invention in a general top view (in an embodiment comprising a ladder 2 leading onto the roof 3 along an outer wall of a building);
  • fig. 3 presents a steel rope of the vertical system 1 loaded with a weight 8, provided with a connection assembly 15, extending along a ladder 2 leading onto the roof 3 inside a building, and subsequently above the roof surface 2, maintained by the intermediate post 24 and fixedly attached to the turntable 22;
  • fig. 1 presents the system according to the invention, comprising a rope of the vertical system 1 and a ladder 2 provided with a longeron 9 (in an embodiment comprising a ladder 2 leading onto the roof 3 along an outer wall of a building)
  • fig. 2 presents the system according to the invention in a general top view (in an embodiment
  • fig. 4 presents the turntable 22 in a general top and side view
  • fig. 5 presents the corner post 23 in a general top and side view
  • fig. 6 presents the intermediate post 24 in a general top and side view
  • fig. 7 presents the intermediate post 24 in a general top and side view, in another embodiment
  • fig. 8 presents the free-standing post in a cross-section 25
  • fig. 9 presents the tensioner post 26 in a general top and side view
  • fig. 10 presents the shock absorber-strainer 28 in a cross-section
  • fig. 11 presents the self-gripping device 6 in a side view
  • fig. 12 presents the longeron 9 in a general side view
  • fig. 13 presents the upper anchoring device 11; fig.
  • connection assembly 15 presents a side view
  • fig. 15 presents a plug 16 of the connection assembly 15
  • fig. 16 presents the mounting element 19 along with a visible socket 17 of the connection assembly 15 , provided with a guide 13 of the steel rope of the horizontal and vertical system 1 , which can be also mounted directly to the wall of the building
  • fig. 17 presents a two-way junction 33 in a general top view
  • fig. 18 presents a three-way junction 34 in a general top view.
  • the self-gripping device 6 which reversibly connects to the steel ropes of the vertical 1 or horizontal 5 system, is an element of the system used for connection with the user.
  • the self-gripping device 6 can be removed from the steel rope 1 or 5 on any of their segments.
  • the self-gripping device 6 is connected to a known safety rope or a known self-clamping device.
  • the vertical fixed securement system constituting a part of the system according to the invention, comprises a steel rope of the vertical system 1 placed substantially along the ladder 2 leading onto the roof 3 and - after reaching its edge 4 - above its surface.
  • the steel rope of the vertical system 1 is anchored in the lower part of the ladder 2 by means of a lower anchoring device 7 , connected to the ladder 2 by means of bolts.
  • the lower anchoring device 7 is preferably provided with a spring compensating for the stresses of the steel rope of the vertical system 1 , resulting, e.g. from variable atmospheric conditions, and simultaneously providing its fixed tension.
  • the steel rope of the vertical system 1 hangs freely along the ladder 2 , loaded at the bottom with a weight 8 whose mass is no smaller than 1 kg.
  • This embodiment of the system according to the invention is intended for mounting in buildings, in which access to the roof 2 is provided by a roof hatch, with, e.g. a portable or fixedly mounted ladder 2 leading to it.
  • the steel rope of the vertical system 1 is placed substantially along the ladder leading onto the roof 3 and - after reaching its edge 4 - above its surface.
  • the upper segment of the steel rope of the vertical system 1 is fixedly connected to one of the posts of the horizontal system 22 , 23 , 24 , 25 or 26 .
  • the ladder 2 along which the steel rope of the vertical system 1 is guided, can be provided with a longeron 9 , preferably made of a steel U-shaped profile.
  • the longeron 9 is mounted to the ladder 2 by means of mounting sheets 10 and bolts.
  • the steel rope of the vertical system 1 is anchored in the upper part of the ladder 2 or in the upper part of the longeron 9 by means of an upper anchoring device 11 with a shape of the letter L, preferably made of two steel profiles connected to each other at an angle ⁇ of substantially 90° by means of bolts.
  • an upper anchoring device 11 with a shape of the letter L, preferably made of two steel profiles connected to each other at an angle ⁇ of substantially 90° by means of bolts.
  • guides 13 provided with circular tube 14, through which the steel rope of the vertical system 1 is lead.
  • the steel rope of the vertical system 1 is fixedly anchored in the wall building by means of a guide 13 provided with a circular tube 14.
  • the steel ropes of both the vertical 1 and the horizontal system 5 can be provided with a connection assembly 15, comprising a plug 16 and a plug socket 17.
  • the use of the plug 16 of the connection assembly 15 allows dividing the steel rope 1 or 5 into segments and their safe separation, e.g. in order to close the roof hatch, door or window.
  • the main element of the plug 16 is the plug mandrel 18, which - in order to connect two segments of the rope 1 or 5 - is placed in the plug socket 17 situated in the mounting element 19 situated, e.g. on the building wall (preferably on the bearing construction of the roof).
  • the mounting element 19 is provided with a guide 13 with a circular tube 14 situated parallel to the direction of extension of the steel rope of the vertical 1 or horizontal system 5, in which an end of its one segment is fixedly positioned, preferably by crumpling.
  • the plug 16 is provided with a guide 13, also provided with a circular tubing 14, in which there is a fixedly placed (preferably by crumpling) beginning of the next segment of the steel rope 1 or 5. After placing the plug 16 in the plug socket 17, the circular tubing 14 about each other, retaining the continuity of the securement system.
  • the plug mandrel 18 should be provided with a cotter 20, which secures the plug 16 against undesired slipping out of the plug socket 17. Moreover, it is worth providing the plug mandrel 18 with a stop 21, which is used to hold the plug 16 in its intended position.
  • a user of the system according to the invention reaches for the plug 16 and places it in the plug socket 17, subsequently securing the plug 16 with the cotter 20, upon which they enter the surface of the roof 3 and by walking along the steel rope of the vertical system 1 reaches the post of the horizontal system, e.g. a turntable 22, in which the end of the steel rope of the vertical system 1 is fixedly placed.
  • the horizontal fixed securement system consists of the posts of the horizontal system 22, 23, 24, 25, 26 and the steel rope of the horizontal system 5 placed parallel to the roof surface 3, at a certain distance from its edge 4, preferably at a distance of 2 to 8 m.
  • the posts of the horizontal system can be: a turntable 22, a corner post 23, an intermediate post 24, a free-standing post 25, as well as a tensioner post 26.
  • the corner post 23 is an element of the system used to guide the steel rope of the horizontal system 5. It is positioned in places in which it is required to change its guiding direction.
  • the intermediate post 24 is an additional element of the system according to the invention, used to retain the steel rope of the horizontal system 5 at a proper distance from the roof surface 3. As a rule, the steel rope of the horizontal system 5 passing through the circular tube 14 of the guide 13 of the intermediate post 24 is capable of moving axially, although the circular tube 14 can be crumpled around the steel rope of the horizontal system 5.
  • the tensioner post 26 is an element of the system according to the invention used to mount the shock absorber-strainer 28 of the steel rope of the horizontal system 5.
  • the tensioner post 26 is provided with a shock absorber-strainer 28 provided with a spring 29 and it is connected to it by means of a mounting element with a shape resembling the letter L.
  • the shock absorber-strainer 28 is used to maintain constant tension of the steel rope of the horizontal system 5, which can undergo changes depending on atmospheric conditions, and allowing - due to the built-in spring - shock absorption of the system user's fall.
  • the upper end of the steel rope of the vertical system 1 is mounted to the post of the horizontal system 22, 23, 24, 25 or 26, this post preferably being a turntable 22.
  • the steel rope of the vertical system 1 and the steel rope f the horizontal system 5 converge in the turntable 22.
  • Both steel ropes 1, 5 are fixedly positioned in the circular tube 14 of the guides 13 constituting the elements of the turntable 22.
  • the turntable 22 enables the user to smoothly switch between the steel ropes 1, 5 of the vertical and horizontal systems and change the direction of movement, with no need for the user to unfasten themselves from the system.
  • the turntable 22 comprises the crown 30, a rotary plate 31, a guide 13 of the steel rope of the vertical system 1, guides 13 of the steel rope of the horizontal system 13 and a central guide 32 .
  • the turntable 22 can also be provided with an additional, concealed shock absorber.
  • the upper tip of the steel rope of the vertical system 1 and the tips of the steel rope of the horizontal system 5 are fixedly attached to the respective guides 13 , e.g. by being crumpled in the circular tubing 14 .
  • the user rotates the rotary plate 31 until connecting to the tip of at least one circular tube 14 with no need to switch the self-gripping device 6 between the steel ropes 1 and 5 . Because the rotary plate 31 is provided with a concealed slide bearing, it is not necessary to apply great force in order to perform the rotation.
  • the remaining part of the turntable 22 including the crown of the turntable 30 , remains stationary when the rotation is being performed.
  • junctions - a two-way junction 33 or a three-way junction 34 - can be an additional element of the system according to the invention, used to guide the steel rope of the horizontal system 5 .
  • the edge of the two-way junction 33 situated on the inner side, is provided with a circular tubing 37 , arch-shaped with an angle ⁇ no smaller than 90°, inside which the steel rope of the horizontal system 5 is placed (or to which it is mounted).
  • the two-way junction 33 is provided with a mounting hole 36 , by means of which it can be mounted, e.g. to the post base 27 or to the longeron 9 of the ladder 2 , by means of bolts or additional fittings.
  • the three-way junction 34 has in turn a shape resembling a triangle with at least two arch-shaped concave edges. Each edge of the three-way junction 34 is provided with a circular tubing 37 , inside which the steel rope of the horizontal system 5 is placed (or to which it is mounted) .
  • the central part of the three-way junction 34 preferably made of sheet metal, ensures its proper rigidity and necessary strength.
  • the mounting hole 38 situated in the central part of the three-way junction 34 is used for its mounting, e.g. on a post.
  • the free-standing post 25 is an additional element of the horizontal system used for additional securement of users of the system.
  • the free-standing post 25 comprises a post base 27 and a rotary hinge placed therein, made of a cylindrical bushing 39 and a mandrel 41, connected to each other by means of a pin 40. Rotation of the hinge proceeds around the pin 40 and around its axis. Inclination of the hinge results in raising the mandrel 41 held in the post base 27 by means of a set of springs 42.
  • the self-gripping device 6 is an optimal element of user's equipment, used for connection to the steel ropes 1, 5.
  • the self-gripping device 6 connects separably to the steel ropes of the vertical 1 and horizontal system 5 and it can be removed from the rope in any of its segments.
  • the solution according to the invention allows eliminating a number of problems previously emerging during working at heights, including risks related to the imperfection of already existing ones.
  • the system according to the invention generally has a universal nature - it can be mounted on most of existing roofing, construction elements, ladders. This system can constitute supplementation of previously existing horizontal installations. It can be used on already existing ladders.
  • the system according to the invention also enables increasing the number of people who can use it at the same time, i.e. simultaneously perform work on the given roof. This is a tangible benefit for an administrator or owner of a building. Limitation of the users' possibilities to make mistakes related to their lack of knowledge, unawareness or carelessness is an obvious advantage of the solution according to the invention.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ladders (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Emergency Lowering Means (AREA)
EP19191866.3A 2019-04-09 2019-08-14 A fixed system for protection against falls from height Active EP3722539B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL429563A PL242875B1 (pl) 2019-04-09 2019-04-09 Stały system do ochrony przed upadkiem z wysokości

Publications (2)

Publication Number Publication Date
EP3722539A1 EP3722539A1 (en) 2020-10-14
EP3722539B1 true EP3722539B1 (en) 2022-04-06

Family

ID=67658943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19191866.3A Active EP3722539B1 (en) 2019-04-09 2019-08-14 A fixed system for protection against falls from height

Country Status (2)

Country Link
EP (1) EP3722539B1 (pl)
PL (2) PL242875B1 (pl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023106533A1 (de) 2023-03-15 2024-09-19 Msa Europe Gmbh Träger für eine sicherheitsleine für ein absturzsicherungssystem

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11655677B2 (en) * 2017-10-13 2023-05-23 Northern Strands Co. Ltd. Fall arrest system
US11833375B2 (en) * 2020-02-21 2023-12-05 Engineered Supply Lifeline bypass shuttle

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2393206B (en) 2002-09-23 2005-11-16 James Bernard Lennon A fall arrest system
NL1031145C2 (nl) 2006-02-14 2007-08-16 Holland Dak Accessoires Beheer Aanlijnsysteem, geleidingselement voor gebruik in een aanlijnsysteem, loperlijn voor gebruik in het aanlijnsysteem en werkwijze voor aangelijnd lopen.
GB2491809A (en) * 2011-05-31 2012-12-19 Central High Rise Ltd Safety clamp with two rail receiving passages
NL2007963C2 (en) 2011-12-13 2013-06-17 Prosara Systeem B V System for preventing a person to fall from a roof of a building and method for providing such a system.
NL2007997C2 (en) 2011-12-20 2013-06-24 Prosara Systeem B V System, tethering line and method for preventing a person from falling from a corner of a roof.
NL2009539C2 (en) 2012-09-28 2014-03-31 Prosara Systeem B V System for fall protection or fall prevention and method for providing such a system.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102023106533A1 (de) 2023-03-15 2024-09-19 Msa Europe Gmbh Träger für eine sicherheitsleine für ein absturzsicherungssystem

Also Published As

Publication number Publication date
PL3722539T3 (pl) 2022-08-08
EP3722539A1 (en) 2020-10-14
PL429563A1 (pl) 2020-10-19
PL242875B1 (pl) 2023-05-08

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