WO2023223245A1 - Fastening mechanism for work at height with improved strength and detection of electrical hazard - Google Patents

Fastening mechanism for work at height with improved strength and detection of electrical hazard Download PDF

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Publication number
WO2023223245A1
WO2023223245A1 PCT/IB2023/055094 IB2023055094W WO2023223245A1 WO 2023223245 A1 WO2023223245 A1 WO 2023223245A1 IB 2023055094 W IB2023055094 W IB 2023055094W WO 2023223245 A1 WO2023223245 A1 WO 2023223245A1
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WO
WIPO (PCT)
Prior art keywords
heights
working
locking
extensions
fastening mechanism
Prior art date
Application number
PCT/IB2023/055094
Other languages
Spanish (es)
French (fr)
Inventor
Andres Fernando Montes Rodríguez
Alvaro José Tafurt Hoyos
Original Assignee
Morcillo Muñoz, Freddy
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 Morcillo Muñoz, Freddy filed Critical Morcillo Muñoz, Freddy
Publication of WO2023223245A1 publication Critical patent/WO2023223245A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B45/00—Hooks; Eyes
    • F16B45/02—Hooks with pivoting or elastically bending closing member
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

Definitions

  • the present invention is related to the field of mechanisms for safe work at heights and lifelines, particularly the present invention is related to a fastening mechanism for safe work at height made up of a carabiner body, a safety device and a mechanism.
  • automatic locking mechanism where said fastening mechanism has a reinforced metal geometry to withstand high loads and a polymeric coating that improves its ergonomics, providing security against electrical currents, where at least one of said polymers has properties to alert the presence of electric currents.
  • the invention can be used with different types of hooks such as carabiners, elevators, descenders, fall arresters, crane hooks and scaffolding hooks.
  • notifications generated by the warning means may be lights of different colors, lights flashing in different patterns, audible alarms, a combination of colored/flashing lights and an audible alarm or any other suitable means of calling. the attention.
  • the snap hook 1 has an upper part that has been equipped with a load detection sensor 5 formed by a layer of shrinkable polymeric plastic material (such as polyolefin) that incorporates, coats or impregnates with quantum tunneling composite materials, such as QTC (RTM).
  • shrinkable polymeric plastic material such as polyolefin
  • this document does not teach a fastening mechanism for safe work at height made up of a carabiner body, a safety device and an automatic locking mechanism, where said fastening mechanism has a reinforced metallic geometry to withstand high loads and a polymeric coating that improves its ergonomics, providing safety against electrical currents, where at least one of said polymers has properties to alert the presence of electrical currents. Therefore, it presents as a disadvantage the fact that it does not present alarm mechanisms with electroluminescent polymers, or electrochromic polymers.
  • US9480866B2 discloses a line connector for a personal fall protection system that includes a carabiner that has a loop portion that at least partially defines an opening. The opening is configured to receive an attachment component of the personal fall protection system.
  • the line connector also includes at least one sensor. Each sensor includes a coil disposed around the loop portion of the carabiner.
  • the line connector also includes a control unit coupled to the sensor. The control unit is operative to send a drive signal to the sensor and determine whether the line connector is coupled to the coupling component based on a response signal received from the at least one sensor.
  • the link detection system 100 also includes an alarm indicator 122.
  • the processor 104 is configured to activate the alarm indicator 122 when the processor 104 determines that the line connector 32 is not mated to a line connector matching 32 of personal fall protection system 10.
  • this document does not teach an automatic locking mechanism, where said clamping mechanism has a reinforced metallic geometry to withstand high loads and a polymeric coating that improves its ergonomics, providing security against electrical currents, where at least One of these polymers has properties to alert the presence of electrical currents. Therefore, its disadvantage is that it does not have alarm mechanisms with electroluminescent polymers or electrochromic polymers.
  • a double-locking industrial safety hook which comprises: a body (10); a locking member (20); The snap hook is formed by a locker such that one end of the locker is coupled to one side of the main body 10 by a hinge H2 and the other end rotates by the elastic force of the second spring S2 mounted on the main body 10 [A pushing lever 30 provided with guide holes 31 on both sides thereof; A guide pin 41 is provided through the guide hole 31 and slides downward along the locking member 20 by the third spring S3 provided in the locking member 20 and then returns by the elastic force, and a sliding lever 40 which is installed as far as possible.
  • the safety hook can be easily released when the user wants, and the safety of the safety hook can be greatly improved, because the user cannot easily lock it due to user error or force. external.
  • said carabiner or hook does not have a polymer coating. Additionally, said carabiner does not include polymers with properties to alert the presence of electric currents, or alarm mechanisms with electroluminescent polymers, or polymers. electrochromic.
  • the light source unit 130 includes an LED 131, an inner panel 132 and an outer panel 133.
  • the LED 131 is a light-emitting diode (LED) that emits light when a current flows, and is arranged in plurality on the side top of the frame unit 110.
  • the LED 131 transmits/receives data to and from the pressure sensing unit 120 through a communication module mounted on the main board (170 of FIG. 3) to light or flash. These LEDs 131 are arranged at intervals for each color.
  • said carabiner or hook does not have a polymer coating. Additionally, said carabiner does not include polymers with properties to alert the presence of electric currents, or alarm mechanisms with electroluminescent polymers, or polymers. electrochromic.
  • glasses that exhibit variable light transmission functionality achieve this by including a smart lens that incorporates an electrochromic polymer (EC), switchable between a first state and a second state in response to a voltage selectively applied to it.
  • the smart glasses include the smart lens, a voltage source and a holder.
  • the EC polymer transmits more light in the first state than in the second, because changing the state of the EC polymer varies the light transmission of the smart lens.
  • the voltage source is configured to provide the voltage required to switch the EC polymer between the first state and the second state, while the support member is configured to support the smart lens and allow a user to wear the glasses. intelligent.
  • Embodiments may include sensors and controllers to automate switching, as well as energy harvesting elements to increase battery life.
  • Figure 1 corresponds to an assembly view of the clamping mechanism for working at heights, according to the present invention.
  • Figure 2 corresponds to an exploded view of the clamping mechanism for working at heights, according to the present invention.
  • the present invention is related to a fastening mechanism for safe work at heights characterized in that it comprises the following elements, a carabiner body (1), an insurance mechanism (2); a locking mechanism (3); electrical presence indicators (11).
  • Each of the components, carabiner body (1), insurance mechanism (2) and locking mechanism (3) has a metal core that provides the mechanical resistance qualities necessary to be correctly marketed and comply with protection standards. established by the ANSI Z359.12-2019 standard.
  • These metallic materials may belong, but are not limited to, the family of ferrous materials such as steel or non-ferrous materials such as aluminum, among others.
  • Said carabiner body (1) has a robust portion (13) that includes a fixing eyelet (12), where said robust portion (13) receives a locking mechanism (3), with a pivot (31).
  • Said locking mechanism (3) comprises locking extensions (32) and stop extensions (33), where the locking extensions (32) cooperate with the insurance extensions (23), to form the mechanical lock, where, The stop extensions (33) restrict the pivoting movement of the locking mechanism (3).
  • Said insurance mechanism (2) includes a pivot point (21), an attachment point (25), non-slip geometry (22) and insurance extensions (23), which cooperate with the locking extensions (32), where said pivot (21) is held with a pin (24).
  • Said metal core of the carabiner body (1), insurance mechanism (2) and locking mechanism (3) is coated with injected polymer that provides behavior resistant to electric current up to 23,000 V (Volts).
  • Said polymeric coating changes color when in contact with medium and high voltage electrical currents, thus providing a warning mechanism against an involuntary connection with an electrical current.
  • said electrical presence indicators (11) show a color change when detecting an electric current.
  • Said electrical presence indicators (11) are made of polymeric materials, particularly electroluminescent polymers or electrochromic polymers.
  • the shape, height and position of the lock provides an anatomical and correct grip independent of the operator's percentile, which helps the product to be used in a better way and not scratch or generate injuries due to pinching of the skin.
  • the locking mechanism (3) exceeds the market standard, supporting loads greater than 23KN (Kilo Newtons) without releasing or breaking the fastening system.
  • the ergonomic automatic locking mechanism which presents an automatic locking and unlocking model of the holding device, adapts anatomically to the palm of the executing arm, allowing its correct use and facilitating the process of opening and closing the system, with a retractable pivot mechanism.
  • Dielectric property of the polymeric coating material where, thanks to said coating, the user is prevented from being exposed by electrocution contact with energized parts or cables at heights.
  • Durability as it is a product made of polymer material, exposure to outdoor environments such as water, soaps, or solvents makes it very resistant, durable and easy to clean.
  • Locking resistance the locking and securing mechanism of the device presents a resistance greater than 20KN in technical tests, which allows it to exceed the quality standards and norms established for working at height such as ANSI.
  • Electrosensitive polymers These are those that exhibit reversible changes in some of their properties under the influence of an external electric field that can be controlled.
  • Electrosensitive polymers are those that exhibit reversible changes in some of their properties under the influence of an external electric field that can be controlled.

Abstract

The present invention relates to a fastening mechanism for safe work at height, which is formed by a carabiner body, a lock and an automatic locking mechanism, wherein the fastening mechanism has a reinforced metallic shape for supporting high loads and a polymer coating that improves the ergonomics thereof, thus providing safety against electrical currents, at least one of the polymers having properties for alerting to the presence of electrical currents.

Description

MECANISMO DE SUJECIÓN PARA TRABAJO EN ALTURA CON RESISTENCIA MEJORADA Y DETECCIÓN ANTE EL RIESGO ELÉCTRICOFASTENING MECHANISM FOR WORK AT HEIGHT WITH IMPROVED RESISTANCE AND DETECTION AGAINST ELECTRICAL RISK
CAMPO TÉCNICO TECHNICAL FIELD
La presente invención se relaciona con el campo de los mecanismos para el trabajo seguro en alturas y líneas de vida, particularmente la presente invención se relaciona con un mecanismo de sujeción para trabajo seguro en altura conformado por un cuerpo de mosquetón, un seguro y un mecanismo de bloqueo automático, en donde dicho mecanismo de sujeción cuenta con una geometría metálica reforzada para soportar altas cargas y un recubrimiento polimérico que mejora su ergonomía, proporcionando seguridad contra corrientes eléctricas, en donde al menos uno de dichos polímeros cuenta con propiedades para alertar la presencia de corrientes eléctricas. The present invention is related to the field of mechanisms for safe work at heights and lifelines, particularly the present invention is related to a fastening mechanism for safe work at height made up of a carabiner body, a safety device and a mechanism. automatic locking mechanism, where said fastening mechanism has a reinforced metal geometry to withstand high loads and a polymeric coating that improves its ergonomics, providing security against electrical currents, where at least one of said polymers has properties to alert the presence of electric currents.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
El trabajo en alturas es uno de los trabajos más riesgosos en la industria de la construcción y/o manteamiento mecánico o eléctrico, los sistemas de seguridad y salud en el trabajo usualmente reportan incidentes por caídas y en algunos casos incidentes relacionados con electrocución. Si bien, las líneas eléctricas en lo posible deben suspender el paso de corriente para realizar las actividades que corresponden, en algunos casos no es posible hacerlo o debido a errores involuntarios se activan sin notificar al operario. Working at heights is one of the most risky jobs in the construction and/or mechanical or electrical maintenance industry; occupational health and safety systems usually report incidents due to falls and in some cases incidents related to electrocution. Although power lines should suspend the flow of current as much as possible to carry out the corresponding activities, in some cases it is not possible to do so or due to involuntary errors they are activated without notifying the operator.
Así las cosas, existe en el estado del arte una serie de documentos que divulgan mecanismos que buscan prevenir incidentes en las obras, especialmente en trabajos en alturas, desde la prevención. En este sentido, en el estado del arte se tiene por ejemplo el documento US20190269949A1 que da a conocer un sistema de seguridad incluye (a) una cuerda o cuerda de seguridad; (b) un gancho de seguridad sujeto a la cuerda o cuerda; (c) un sensor de detección de carga adaptado al gancho sin alterar la integridad estructural del gancho; y (d) un transmisor dispuesto para transmitir una señal de estado de carga. Thus, there is a series of state-of-the-art documents that disclose mechanisms that seek to prevent incidents on construction sites, especially in work at heights, from prevention. In this sense, in the state of the art there is, for example, document US20190269949A1, which discloses a security system that includes (a) a rope or safety rope; (b) a snap hook attached to the rope or rope; (c) a load sensing sensor adapted to the hook without altering the structural integrity of the hook; and (d) a transmitter arranged to transmit a state of charge signal.
Además, también debe ser evidente que la invención se puede utilizar con diferentes tipos de ganchos tales como mosquetones, elevadores, descensores, anticaídas, ganchos de grúa y ganchos de andamio. Furthermore, it should also be evident that the invention can be used with different types of hooks such as carabiners, elevators, descenders, fall arresters, crane hooks and scaffolding hooks.
Además, debe quedar claro que las notificaciones generadas por los medios de advertencia pueden ser luces de diferentes colores, luces que parpadean en diferentes patrones, alarmas sonoras, una combinación de luces de colores/intermitentes y una alarma sonora o cualquier otro medio adecuado para llamar la atención. Furthermore, it should be clear that notifications generated by the warning means may be lights of different colors, lights flashing in different patterns, audible alarms, a combination of colored/flashing lights and an audible alarm or any other suitable means of calling. the attention.
Con referencia a la fig. 1 se muestra un gancho de seguridad 1 según una primera realización de la presente invención. El gancho de seguridad 1 tiene una parte superior que ha sido equipada con un sensor de detección de carga 5 formado por una capa de material plástico polimérico contraíble (como poliolefina) que incorpora, recubre o impregna con materiales compuestos de efecto túnel cuántico, como QTC (RTM). With reference to fig. 1 shows a safety hook 1 according to a first embodiment of the present invention. The snap hook 1 has an upper part that has been equipped with a load detection sensor 5 formed by a layer of shrinkable polymeric plastic material (such as polyolefin) that incorporates, coats or impregnates with quantum tunneling composite materials, such as QTC (RTM).
Sin embargo, este documento, no enseña un mecanismo de sujeción para trabajo seguro en altura conformado por un cuerpo de mosquetón, un seguro y un mecanismo de bloqueo automático, en donde dicho mecanismo de sujeción cuenta con una geometría metálica reforzada para soportar altas cargas y un recubrimiento polimérico que mejora su ergonomía, proporcionando seguridad contra corrientes eléctricas, en donde al menos uno de dichos polímeros cuenta con propiedades para alertar la presencia de corrientes eléctricas. Por lo tanto, presenta como desventaja, el hecho que no presenta mecanismos de alarma con polímeros electroluminiscentes, o polímeros electrocrómicos. However, this document does not teach a fastening mechanism for safe work at height made up of a carabiner body, a safety device and an automatic locking mechanism, where said fastening mechanism has a reinforced metallic geometry to withstand high loads and a polymeric coating that improves its ergonomics, providing safety against electrical currents, where at least one of said polymers has properties to alert the presence of electrical currents. Therefore, it presents as a disadvantage the fact that it does not present alarm mechanisms with electroluminescent polymers, or electrochromic polymers.
De otra parte, se tiene el documento US9480866B2 el cual divulga un conector de línea para un sistema personal de protección contra caídas incluye un mosquetón que tiene una parte de bucle que define al menos parcialmente una abertura. La abertura está configurada para recibir un componente de acoplamiento del sistema personal de protección contra caídas. El conector de línea también incluye al menos un sensor. Cada sensor incluye una bobina dispuesta alrededor de la porción de bucle del mosquetón. El conector de línea incluye además una unidad de control acoplada al sensor. La unidad de control es operativa para enviar una señal de excitación al sensor y determinar si el conector de línea está acoplado al componente de acoplamiento en base a una señal de respuesta recibida desde el al menos un sensor. On the other hand, there is document US9480866B2 which discloses a line connector for a personal fall protection system that includes a carabiner that has a loop portion that at least partially defines an opening. The opening is configured to receive an attachment component of the personal fall protection system. The line connector also includes at least one sensor. Each sensor includes a coil disposed around the loop portion of the carabiner. The line connector also includes a control unit coupled to the sensor. The control unit is operative to send a drive signal to the sensor and determine whether the line connector is coupled to the coupling component based on a response signal received from the at least one sensor.
En ciertas realizaciones, el sistema de detección de enlace 100 también incluye un indicador de alarma 122. El procesador 104 está configurado para activar el indicador de alarma 122 cuando el procesador 104 determina que el conector de línea 32 no está acoplado a un conector de línea coincidente 32 del sistema de protección personal contra caídas 10. In certain embodiments, the link detection system 100 also includes an alarm indicator 122. The processor 104 is configured to activate the alarm indicator 122 when the processor 104 determines that the line connector 32 is not mated to a line connector matching 32 of personal fall protection system 10.
Sin embargo, este documento, no enseña, un mecanismo de bloqueo automático, en donde dicho mecanismo de sujeción cuenta con una geometría metálica reforzada para soportar altas cargas y un recubrimiento polimérico que mejora su ergonomía, proporcionando seguridad contra corrientes eléctricas, en donde al menos uno de dichos polímeros cuenta con propiedades para alertar la presencia de corrientes eléctricas. Por lo tanto, presenta como desventaja, el hecho que no presenta mecanismos de alarma con polímeros electroluminiscentes, o polímeros electrocrómicos. Por otro lado, se tiene el documento KR101804040B1, en donde un gancho de seguridad industrial de doble traba, que comprende: un cuerpo (10); un miembro de bloqueo (20); El gancho de seguridad está formado por un casillero de manera que un extremo del casillero está acoplado a un lado del cuerpo principal 10 por una bisagra H2 y el otro extremo gira por la fuerza elástica del segundo resorte S2 montado en el cuerpo principal 10 [ Una palanca de empuje 30 provista de orificios de guía 31 en ambos lados de la misma; Se proporciona un pasador de guía 41 provisto a través del orificio de guía 31 y se desliza hacia abajo a lo largo del miembro de bloqueo 20 por el tercer resorte S3 provisto en el miembro de bloqueo 20 y luego regresa por la fuerza elástica, y una palanca deslizante 40 que se instala como en la medida de lo posible. However, this document does not teach an automatic locking mechanism, where said clamping mechanism has a reinforced metallic geometry to withstand high loads and a polymeric coating that improves its ergonomics, providing security against electrical currents, where at least One of these polymers has properties to alert the presence of electrical currents. Therefore, its disadvantage is that it does not have alarm mechanisms with electroluminescent polymers or electrochromic polymers. On the other hand, there is document KR101804040B1, where a double-locking industrial safety hook, which comprises: a body (10); a locking member (20); The snap hook is formed by a locker such that one end of the locker is coupled to one side of the main body 10 by a hinge H2 and the other end rotates by the elastic force of the second spring S2 mounted on the main body 10 [A pushing lever 30 provided with guide holes 31 on both sides thereof; A guide pin 41 is provided through the guide hole 31 and slides downward along the locking member 20 by the third spring S3 provided in the locking member 20 and then returns by the elastic force, and a sliding lever 40 which is installed as far as possible.
De acuerdo con la estructura descrita anteriormente, el gancho de seguridad se puede liberar fácilmente cuando el usuario lo desea, y la seguridad del gancho de seguridad se puede mejorar en gran medida, porque el usuario no puede bloquear fácilmente el error del usuario o la fuerza externa. According to the structure described above, the safety hook can be easily released when the user wants, and the safety of the safety hook can be greatly improved, because the user cannot easily lock it due to user error or force. external.
Sin embargo, el presente documento tiene como desventaja, el hecho que dicho mosquetón o gancho no cuenta con recubrimiento polimérico, adicionalmente, dicho mosquetón no incluye polímeros con propiedades para alertar la presencia de corrientes eléctricas, o mecanismos de alarma con polímeros electroluminiscentes, o polímeros electrocrómicos. However, the disadvantage of this document is the fact that said carabiner or hook does not have a polymer coating. Additionally, said carabiner does not include polymers with properties to alert the presence of electric currents, or alarm mechanisms with electroluminescent polymers, or polymers. electrochromic.
De otro lado, se tiene el documento KR102377955B1, que presenta un anillo de seguridad inteligente para fijar un cinturón de seguridad de un trabajador cuando trabaja en altura, una parte del marco que tiene forma de gancho con un lado abierto, una parte de detección de presión dispuesta en la superficie interna superior de la parte del marco para detectar presión de contacto con un soporte; una fuente de luz que enciende o parpadea de forma selectiva según el lapso de tiempo de contacto y la intensidad del valor de presión detectado por la unidad de detección de presión, y una unidad de bloqueo doble para abrir y cerrar un lado abierto de la unidad de marco. On the other hand, there is document KR102377955B1, which presents an intelligent safety ring to fix a worker's safety belt when working at height, a part of the frame that is hook-shaped with an open side, a detection part of pressure arranged on the upper inner surface of the frame part to detect contact pressure with a support; a light source that selectively lights or flashes according to the contact time span and the intensity of the pressure value detected by the pressure sensing unit, and a double locking unit to open and close an open side of the frame unit.
La unidad de fuente de luz 130 incluye un LED 131, un panel interior 132 y un panel exterior 133. El LED 131 es un diodo emisor de luz (LED) que emite luz cuando fluye una corriente, y está dispuesto en pluralidad en el lado superior de la unidad de marco 110. El LED 131 transmite/recibe datos hacia y desde la unidad de detección de presión 120 a través de un módulo de comunicación montado en la placa principal (170 de la FIG. 3) para encenderse o parpadear. Estos LED 131 están dispuestos a intervalos para cada color. The light source unit 130 includes an LED 131, an inner panel 132 and an outer panel 133. The LED 131 is a light-emitting diode (LED) that emits light when a current flows, and is arranged in plurality on the side top of the frame unit 110. The LED 131 transmits/receives data to and from the pressure sensing unit 120 through a communication module mounted on the main board (170 of FIG. 3) to light or flash. These LEDs 131 are arranged at intervals for each color.
Sin embargo, el presente documento tiene como desventaja, el hecho que dicho mosquetón o gancho no cuenta con recubrimiento polimérico, adicionalmente, dicho mosquetón no incluye polímeros con propiedades para alertar la presencia de corrientes eléctricas, o mecanismos de alarma con polímeros electroluminiscentes, o polímeros electrocrómicos. However, the disadvantage of this document is the fact that said carabiner or hook does not have a polymer coating. Additionally, said carabiner does not include polymers with properties to alert the presence of electric currents, or alarm mechanisms with electroluminescent polymers, or polymers. electrochromic.
Finalmente, se tiene el documento US7874666B2, en donde las gafas que exhiben una funcionalidad de transmisión de luz variable lo logran al incluir una lente inteligente que incorpora un polímero electrocrómico (EC), conmutable entre un primer estado y un segundo estado en respuesta a un voltaje aplicado selectivamente al mismo. Las gafas inteligentes incluyen la lente inteligente, una fuente de voltaje y un soporte. El polímero EC transmite más luz en el primer estado que en el segundo, porque al cambiar el estado del polímero EC varía la transmisión de luz de la lente inteligente. La fuente de voltaje está configurada para proporcionar el voltaje requerido para cambiar el polímero EC entre el primer estado y el segundo estado, mientras que el miembro de soporte está configurado para soportar la lente inteligente y permitir que un usuario use las gafas inteligentes. Las realizaciones pueden incluir sensores y controladores para automatizar la conmutación, así como elementos de recolección de energía para aumentar la duración de la batería. Finally, there is document US7874666B2, where glasses that exhibit variable light transmission functionality achieve this by including a smart lens that incorporates an electrochromic polymer (EC), switchable between a first state and a second state in response to a voltage selectively applied to it. The smart glasses include the smart lens, a voltage source and a holder. The EC polymer transmits more light in the first state than in the second, because changing the state of the EC polymer varies the light transmission of the smart lens. The voltage source is configured to provide the voltage required to switch the EC polymer between the first state and the second state, while the support member is configured to support the smart lens and allow a user to wear the glasses. intelligent. Embodiments may include sensors and controllers to automate switching, as well as energy harvesting elements to increase battery life.
Sin embargo, el presente documento no se relaciona con la invención en estudio, pero, puede considerarse como estado del arte general respecto a los polímeros inteligentes. However, this document is not related to the invention under study, but can be considered as the general state of the art regarding smart polymers.
De acuerdo con lo anterior, es claro que en el estado del arte existe una necesidad por diseñar e implementar un dispositivo diseñado para el trabajo seguro en alturas que brinde tanto protección a corrientes eléctricas como una alerta de estas de manera integrada en el mismo material del dispositivo, en donde dicha configuración cuente con una geometría más resistente y ergonómica que evite laceraciones sobre la piel de los operarios, en donde dicho dispositivo sea más resistente y duradero y al mismo tiempo permita reducir elementos o piezas electrónicas innecesarias, reduciendo los costos y simplificando el mecanismo. In accordance with the above, it is clear that in the state of the art there is a need to design and implement a device designed for safe work at heights that provides both protection against electrical currents and an alert for them in an integrated manner in the same material of the device. device, where said configuration has a more resistant and ergonomic geometry that avoids lacerations on the skin of the operators, where said device is more resistant and durable and at the same time allows reducing unnecessary electronic elements or parts, reducing costs and simplifying the mechanism.
BREVE DESCRIPCIÓN DE LAS FIGURAS BRIEF DESCRIPTION OF THE FIGURES
La presente invención se entiende de forma más clara a partir de las siguientes figuras donde se muestran los componentes y resultados asociados al presente desarrollo, así como las características novedosas con respecto al estado del arte, en donde, las figuras no pretenden limitar el alcance de la invención, el cual está únicamente dado por las reivindicaciones adjuntas, en donde: The present invention is understood more clearly from the following figures where the components and results associated with the present development are shown, as well as the novel characteristics with respect to the state of the art, where the figures are not intended to limit the scope of the invention, which is only given by the attached claims, where:
La Figura 1 corresponde a una vista de ensamble de mecanismo de sujeción para trabajo en alturas, de acuerdo con la presente invención. La Figura 2 corresponde a una vista en explosionado de mecanismo de sujeción para trabajo en alturas, de acuerdo con la presente invención. Figure 1 corresponds to an assembly view of the clamping mechanism for working at heights, according to the present invention. Figure 2 corresponds to an exploded view of the clamping mechanism for working at heights, according to the present invention.
DESCRIPCIÓN DETALLADA DE LA INVENCIÓN DETAILED DESCRIPTION OF THE INVENTION
La presente invención se relaciona con un mecanismo de sujeción para trabajo seguro en alturas caracterizado porque comprende los siguientes elementos, un cuerpo de mosquetón (1), un mecanismo de seguro (2); un mecanismo de bloqueo (3); indicadores de presencia eléctrica (11). The present invention is related to a fastening mechanism for safe work at heights characterized in that it comprises the following elements, a carabiner body (1), an insurance mechanism (2); a locking mechanism (3); electrical presence indicators (11).
Cada uno de los componentes, cuerpo de mosquetón (1), mecanismo de seguro (2) y mecanismo de bloqueo (3) cuenta con un alma metálica que brinda las cualidades de resistencia mecánica necesaria para ser correctamente comercializado y cumplir con los estándares de protección establecidos por la norma ANSI Z359.12-2019. Estos materiales metálicos, pueden pertenecer, sin limitarse a la familia de materiales ferrosos como los aceros o a la de los materiales no ferrosos como el aluminio, entre otros.Each of the components, carabiner body (1), insurance mechanism (2) and locking mechanism (3) has a metal core that provides the mechanical resistance qualities necessary to be correctly marketed and comply with protection standards. established by the ANSI Z359.12-2019 standard. These metallic materials may belong, but are not limited to, the family of ferrous materials such as steel or non-ferrous materials such as aluminum, among others.
Dicho cuerpo de mosquetón (1) cuenta con una porción robusta (13) que incluye un ojal de fijación (12), en donde dicha porción robusta (13) recibe un mecanismo de bloqueo (3), con pivote (31). Said carabiner body (1) has a robust portion (13) that includes a fixing eyelet (12), where said robust portion (13) receives a locking mechanism (3), with a pivot (31).
Dicho mecanismo de bloqueo (3) comprende extensiones de bloqueo (32) y extensiones de tope (33), en donde las extensiones de bloqueo (32) cooperan con las extensiones de seguro (23), para conformar el bloqueo mecánico, en donde, las extensiones de tope (33) restringen el movimiento pivotante del mecanismo de bloqueo (3). Said locking mechanism (3) comprises locking extensions (32) and stop extensions (33), where the locking extensions (32) cooperate with the insurance extensions (23), to form the mechanical lock, where, The stop extensions (33) restrict the pivoting movement of the locking mechanism (3).
Dicho mecanismo de seguro (2) incluye un punto de pivote (21), un punto de enganche (25), geometría antideslizante (22) y extensiones de seguro (23), que cooperan con las extensiones de bloqueo (32), en donde dicho pivote (21) se sujeta con un pin (24). Dicha alma metálica del cuerpo de mosquetón (1), mecanismo de seguro (2) y mecanismo de bloqueo (3) está recubierta con polímero inyectado que brinda un comportamiento resistente a la corriente eléctrica hasta 23000 V (Voltios). Said insurance mechanism (2) includes a pivot point (21), an attachment point (25), non-slip geometry (22) and insurance extensions (23), which cooperate with the locking extensions (32), where said pivot (21) is held with a pin (24). Said metal core of the carabiner body (1), insurance mechanism (2) and locking mechanism (3) is coated with injected polymer that provides behavior resistant to electric current up to 23,000 V (Volts).
Dicho recubrimiento polimérico cambia de color al estar en contacto con corrientes eléctricas de mediana y alta tensión, proporcionando así un mecanismo de alerta frente a una conexión involuntaria con una corriente eléctrica. Said polymeric coating changes color when in contact with medium and high voltage electrical currents, thus providing a warning mechanism against an involuntary connection with an electrical current.
En una modalidad deseada, dichos indicadores de presencia eléctrica (11) evidencian un cambio de color al detectar una corriente eléctrica. Dichos indicadores de presencia eléctrica (11) están elaborados en materiales poliméricos, particularmente, polímeros electroluminiscentes o polímeros electrocrómicos. In a desired embodiment, said electrical presence indicators (11) show a color change when detecting an electric current. Said electrical presence indicators (11) are made of polymeric materials, particularly electroluminescent polymers or electrochromic polymers.
En una modalidad, la forma, altura y posición del bloqueo, brinda un agarre anatómico y correcto independiente del percentil del operario lo que ayuda a que el producto sea usado de mejor manera y no talle o genere lesiones por pellizcos en la piel. In one embodiment, the shape, height and position of the lock provides an anatomical and correct grip independent of the operator's percentile, which helps the product to be used in a better way and not scratch or generate injuries due to pinching of the skin.
En una modalidad deseada, el mecanismo, de bloqueo (3) supera el estándar del mercado soportando cargas superiores a los 23KN (Kilo Newtons) sin que se libere o rompa el sistema de sujeción. In a desired embodiment, the locking mechanism (3) exceeds the market standard, supporting loads greater than 23KN (Kilo Newtons) without releasing or breaking the fastening system.
Dentro de las principales ventajas de la presente invención se destacan: Among the main advantages of the present invention are:
El mecanismo automático de bloqueo ergonómico, que presenta un modelo de bloqueo y desbloqueo automático del dispositivo de sujeción, este se adapta anatómicamente a la palma del brazo ejecutor, permitiendo la correcta utilización de este y facilitando el proceso de apertura y cierre del sistema, con un mecanismo de pivote retráctil. The ergonomic automatic locking mechanism, which presents an automatic locking and unlocking model of the holding device, adapts anatomically to the palm of the executing arm, allowing its correct use and facilitating the process of opening and closing the system, with a retractable pivot mechanism.
Propiedad dieléctrica del material de recubrimiento polimérico, en donde, gracias a dicho recubrimiento, se evita que el usuario este expuesto por contacto de electrocución con piezas o cables energizados en alturas. Durabilidad, al ser un producto fabricado en material polimérico la exposición en ambiente exteriores como agua, jabones, o solventes hace que sea muy resistente, duradera y de fácil limpieza. Dielectric property of the polymeric coating material, where, thanks to said coating, the user is prevented from being exposed by electrocution contact with energized parts or cables at heights. Durability, as it is a product made of polymer material, exposure to outdoor environments such as water, soaps, or solvents makes it very resistant, durable and easy to clean.
Resistencia del bloqueo, el mecanismo de bloqueo y aseguramiento del dispositivo presenta en pruebas técnicas una resistencia mayor a los 20KN lo que permite superar los estándares de calidad y normas establecidas para el trabajo en altura como son las ANSI. Locking resistance, the locking and securing mechanism of the device presents a resistance greater than 20KN in technical tests, which allows it to exceed the quality standards and norms established for working at height such as ANSI.
Detección de fugas o corriente eléctrica, en donde el polímero con el que está recubierto el dispositivo cambia de color con el flujo de la corriente eléctrica dando aviso de una fuga de corriente o una conexión ante la misma. Detection of leaks or electric current, where the polymer with which the device is coated changes color with the flow of electric current, giving warning of a current leak or a connection to it.
La presente invención se entiende de una mejor manera a partir de los siguientes conceptos: The present invention is better understood from the following concepts:
Polímeros electrosensibles: Son aquellos que exhiben cambios reversibles en algunas de sus propiedades bajo la influencia de un campo eléctrico externo que puede ser controlado. A continuación, se mencionan algunos ejemplos:
Figure imgf000011_0001
Figure imgf000012_0001
Electrosensitive polymers: These are those that exhibit reversible changes in some of their properties under the influence of an external electric field that can be controlled. Here are some examples:
Figure imgf000011_0001
Figure imgf000012_0001
Aunque la anterior descripción define las modalidades preferidas de la presente invención, dicha invención no se encuentra limitada a éstas, sino que, por el contrario, también se pretende incluir dentro del alcance de la presente solicitud todas las variaciones o modificaciones que sean evidentes para los expertos en la materia y que no afectan y cambian el espíritu de la invención. Although the previous description defines the preferred embodiments of the present invention, said invention is not limited to these, but, on the contrary, it is also intended to include within the scope of the present application all variations or modifications that are evident to the users. experts in the field and that do not affect and change the spirit of the invention.

Claims

REIVINDICACIONES Mecanismo de sujeción para trabajo en alturas CARACTERIZADO PORQUE comprende: un cuerpo de mosquetón (1), un mecanismo de seguro (2); un mecanismo de bloqueo (3); indicadores de presencia eléctrica (11). El mecanismo de sujeción para trabajo en alturas de la reivindicación 1, caracterizado porque, el cuerpo de mosquetón (1), el mecanismo de seguro (2) y el mecanismo de bloqueo (3) cuentan con un alma metálica, en donde estos materiales comprenden materiales ferrosos como el acero o materiales no ferrosos como el aluminio. El mecanismo de sujeción para trabajo en alturas de las reivindicaciones anteriores, caracterizado porque, dicho cuerpo de mosquetón (1) cuenta con una porción robusta (13) que incluye un ojal de fijación (12), en donde dicha porción robusta (13) recibe un mecanismo de bloqueo (3), con pivote (31). El mecanismo de sujeción para trabajo en alturas de las reivindicaciones anteriores, caracterizado porque, dicho mecanismo de bloqueo (3) comprende extensiones de bloqueo (32) y extensiones de tope (33), en donde las extensiones de bloqueo (32) cooperan con las extensiones de seguro (23), en donde, las extensiones de tope (33) restringen el movimiento pivotante del mecanismo de bloqueo (3). El mecanismo de sujeción para trabajo en alturas de las reivindicaciones anteriores, caracterizado porque, dicho mecanismo de seguro (2) incluye un punto de pivote (21), un punto de enganche (25), geometría antideslizante (22) y extensiones de seguro (23), que cooperan con las extensiones de bloqueo (32), en donde dicho pivote (21) se sujeta con un pin (24). El mecanismo de sujeción para trabajo en alturas de las reivindicaciones anteriores, caracterizado porque, dicha alma metálica del cuerpo de mosquetón (1), mecanismo de seguro (2) y mecanismo de bloqueo (3) está recubierta con polímero inyectado con propiedades aislantes. El mecanismo de sujeción para trabajo en alturas de las reivindicaciones anteriores, caracterizado porque, dicho recubrimiento polimérico cambia de color al estar en contacto con corrientes eléctricas de mediana y alta tensión. El mecanismo de sujeción para trabajo en alturas de las reivindicaciones anteriores, caracterizado porque, dichos indicadores de presencia eléctrica (11) están elaborados en polímeros electroluminiscentes o polímeros electrocrómicos. CLAIMS Fastening mechanism for working at heights CHARACTERIZED BECAUSE it comprises: a carabiner body (1), an insurance mechanism (2); a locking mechanism (3); electrical presence indicators (11). The fastening mechanism for working at heights of claim 1, characterized in that the carabiner body (1), the insurance mechanism (2) and the locking mechanism (3) have a metal core, where these materials comprise ferrous materials such as steel or non-ferrous materials such as aluminum. The fastening mechanism for working at heights of the previous claims, characterized in that said carabiner body (1) has a robust portion (13) that includes a fixing eyelet (12), where said robust portion (13) receives a locking mechanism (3), with pivot (31). The clamping mechanism for working at heights of the preceding claims, characterized in that said locking mechanism (3) comprises locking extensions (32) and stop extensions (33), wherein the locking extensions (32) cooperate with the lock extensions (23), wherein the stop extensions (33) restrict the pivoting movement of the locking mechanism (3). The fastening mechanism for working at heights of the preceding claims, characterized in that said insurance mechanism (2) includes a pivot point (21), a hook point (25), non-slip geometry (22) and insurance extensions ( 23), which cooperate with the locking extensions (32), where said pivot (21) is held with a pin (24). The fastening mechanism for working at heights of the previous claims, characterized in that said metal core of the carabiner body (1), insurance mechanism (2) and locking mechanism (3) is coated with injected polymer with insulating properties. The fastening mechanism for working at heights of the previous claims, characterized in that said polymeric coating changes color when in contact with medium and high voltage electrical currents. The fastening mechanism for working at heights of the previous claims, characterized in that said electrical presence indicators (11) are made of electroluminescent polymers or electrochromic polymers.
PCT/IB2023/055094 2022-05-17 2023-05-17 Fastening mechanism for work at height with improved strength and detection of electrical hazard WO2023223245A1 (en)

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Citations (6)

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JPH11267237A (en) * 1998-03-23 1999-10-05 Daiwa House Ind Co Ltd Automatically warning device and safety band for work
JP2003070925A (en) * 2001-08-31 2003-03-11 Tenjinyama Densetsu Kk Safety belt
JP2009119018A (en) * 2007-11-14 2009-06-04 Fujii Denko Co Ltd Insulation hook for fall prevention
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TW201742815A (en) * 2016-06-01 2017-12-16 振鋒企業股份有限公司 Locking hook characterized by having a lightweight design and preventing from an electric shock injury, thereby increasing the safety while user working the locking hook
US20190269949A1 (en) * 2012-11-01 2019-09-05 Skanska Uk Plc Safety equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11267237A (en) * 1998-03-23 1999-10-05 Daiwa House Ind Co Ltd Automatically warning device and safety band for work
JP2003070925A (en) * 2001-08-31 2003-03-11 Tenjinyama Densetsu Kk Safety belt
JP2009119018A (en) * 2007-11-14 2009-06-04 Fujii Denko Co Ltd Insulation hook for fall prevention
WO2014009392A2 (en) * 2012-07-12 2014-01-16 Convexis Gmbh Attachment device with attachment points (securing points) through which a current flows, method for operating a high rope course, connecting element with electronic arrangement, identification and data reception of attachment points through which a current flows
US20190269949A1 (en) * 2012-11-01 2019-09-05 Skanska Uk Plc Safety equipment
TW201742815A (en) * 2016-06-01 2017-12-16 振鋒企業股份有限公司 Locking hook characterized by having a lightweight design and preventing from an electric shock injury, thereby increasing the safety while user working the locking hook

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