WO2006095440A1 - ハーネス型安全帯 - Google Patents
ハーネス型安全帯 Download PDFInfo
- Publication number
- WO2006095440A1 WO2006095440A1 PCT/JP2005/004366 JP2005004366W WO2006095440A1 WO 2006095440 A1 WO2006095440 A1 WO 2006095440A1 JP 2005004366 W JP2005004366 W JP 2005004366W WO 2006095440 A1 WO2006095440 A1 WO 2006095440A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- human body
- airbag
- safety belt
- harness
- user
- Prior art date
Links
Classifications
-
- 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
- A62B35/04—Safety belts or body harnesses; Similar equipment for limiting displacement of the human body, especially in case of sudden changes of motion incorporating energy absorbing means
Definitions
- the present invention relates to a harness-type safety belt mainly used in an aerial work place such as a construction site.
- This type of safety belt consists of a torso belt attached to the torso of the human body, and a rope of a predetermined length connected to the torso belt, and a locking hook attached to the end of the rope is used as a parent at the work site. It is common to hang it on a rope.
- an impact absorption auxiliary tool that absorbs a drop impact at the time of falling, an attachment body attached to the human body, an airbag provided on the attachment body so as to correspond to a predetermined part of the human body, and an inflation for inflating the airbag
- a drop impact absorbing auxiliary tool is known (for example, when a fall of a human body is detected, the airbag is inflated by an inflating means (for example,
- the drop impact absorbing assisting device has a jacket-shaped mounting body including a plurality of airbags. Therefore, when a harness-type safety belt is worn on the mounting body, If the belt is worn on the harness-type safety belt, the rope connecting part provided on the back of the safety belt is covered with the belt and covered with the mouth. The loops could not be connected, and it was difficult to use the fall impact absorbing aid together with the harness-type safety belt!
- Patent Document 2 Japanese Patent Laid-Open No. 11 333013
- Patent Document 1 Japanese Patent Laid-Open No. 7-96049
- the present invention has been made in view of the above-described problems, and the object of the present invention is to absorb a drop impact on the user even if the user falls accidentally at a high force. It is to provide a harness-type safety belt. Means for solving the problem
- the present invention provides a pair of shoulder belts that are crossed at the back of a human body and hung on both shoulders, and a pair of annular thigh belts into which both thighs of the human body are inserted.
- a harness-type safety belt provided with a waist belt to be attached to the waist of a human body and a connecting portion capable of connecting a rope to an intersection of each shoulder belt, and provided at a predetermined position of the belt.
- the user's human body is supported not only by the waist belt but also by each shoulder belt and each thigh belt.
- the tension from the rope applied to the human body is distributed to each belt, and the human body is stably supported.
- the harness-type safety belt of the present invention when a user falls from a high place, for example, when the rope hook is forgotten to be hooked on a lifeline, the drop impact can be absorbed by the airbag. As a result, the drop impact applied to the user can be reduced.
- the user's human body when the user is suspended by a mouthpiece, the user's human body is not limited to the waist belt of the wearing body.
- the tension from the rope applied to the human body can be distributed to each belt, and the force can stably support the human body. it can.
- FIG. 1 is a front view of a single-type safety belt showing an embodiment of the present invention.
- FIG. 3 Front view showing the airbag inflated
- FIG. 11 is a flowchart showing the operation of the control unit.
- FIG. 12 Front view showing the airbag in a contracted state when worn.
- FIG.14 Front view showing the airbag inflated when worn
- 1 to 15 show an embodiment of the present invention.
- the harness-type safety belt of the present embodiment includes a mounting body 1 to be mounted on a human body, an air bag 2 provided on the mounting body 1, a charging device 3 for inflating the air bag 2, and a fall of the human body Detect A plurality of drop sensors 4, an acceleration sensor 5 that detects the occurrence of vertical acceleration in the human body, and a control that activates the charging device 3 based on the detection signals of each drop sensor 4 and acceleration sensor 5.
- the drop sensor 4 and the acceleration sensor 5 constitute a fall detection means.
- the wearing body 1 includes a pair of shoulder belts la that are crossed on the back of the human body and hung on both shoulders, a pair of thigh belts lb into which both thighs of the human body are inserted, A lumbar belt lc attached to the lumbar region and a thoracic belt Id positioned in front of the chest of the human body are provided, and a connecting ring le capable of connecting a rope (not shown) is attached to each shoulder belt la. .
- One end of each shoulder belt la is connected to the side of the waist belt lc, and the other end crosses on the back side and is connected to the side of the waist belt lc.
- a back buckle If is attached to the intersection of each shoulder belt la.
- Each thigh belt lb is formed in an annular shape, and its upper end is connected to the side of the waist belt lc.
- the waist belt lc has a well-known front knock lg that can be detachably connected at both ends on the front side, and the front buckle lg is turned on and off in conjunction with the front buckle lg being connected and released. lh is provided.
- the chest belt Id is disposed above the waist belt 1c, and both ends are connected to the front side of each shoulder belt la.
- the air bag 2 is made of a highly airtight and durable fabric, such as Vectran (fully aromatic polyester), and is formed into an airbag shape by sewing or heat-sealing the fabric having this material strength. ing. That is, the airbag 2 includes a first airbag portion 2a formed so as to extend from the back of the human body to the front side through both shoulders, and a second airbag formed so as to cover the lumbar back side of the human body. Each airbag part 2a, 2b communicates with each other via a communication part 2c extending over the side of the second airbag part 2b. ing.
- Vectran fully aromatic polyester
- the portion corresponding to the back of the human body in the first airbag portion 2a is located above the connecting ring le, and the portion corresponding to the back of the human body in the second airbag portion 2b. It is formed so as to be positioned below the connecting ring le.
- the charging device 3 has a well-known constituent force for discharging, for example, a compressed fluid sealed in a cylinder by explosion of explosives, and is connected to the communication portion 2c of the airbag 2.
- Each drop sensor 4 is disposed with a container 10 formed in a cylindrical shape, a fixed contact 11 provided on the inner peripheral surface of the container 10, and a space in the circumferential direction in the container 10.
- the movable contact 12 includes a plurality of elastically deformable contacts 12 and an inertial body 13 that elastically deforms the movable contact 12 to contact the fixed contact 11.
- the container 10 is made of a metal bottomed cylindrical member having conductivity, and an opening at one end thereof is sealed by a conductive lid plate 10a. Further, a rod-shaped conductive terminal 10b is attached to the lid plate 10a so as to penetrate through the inside of the container 10 through an insulating member 10c such as glass.
- the fixed contact 11 is formed by an inner peripheral surface of the container 10, and a plurality of protrusions 1 la formed by partially protruding the container 10 inward on the peripheral surface extend in the axial direction of the container 10. There is a gap in the circumferential direction between each other.
- Each movable contact 12 also has a conductive thin metal plate force extending in the axial direction of the container 10, and is arranged at an interval in the circumferential direction of the container 10.
- One end of each movable contact 12 is sandwiched between a conductive metal plate 12a welded and fixed to the end face of the conductive terminal 10b and a synthetic resin insulating member 12b disposed on the lid plate 10a side. And are electrically connected to the conductive terminal 10b.
- the inertial body 13 also has a metal spherical force accommodated in the container 10, and is arranged so as to move freely inside each movable contact 12.
- the movable contact 12 below the inertial body 13 is connected to the inertial body 13 in a state where gravity acts in a direction perpendicular to the axis of the container 10 (the radial direction of the container 10). It is elastically deformed by its own weight and is pressed against the fixed contact 11 so as to be electrically connected to the fixed contact 11.
- the apparent weight of the inertial body 13 decreases, so the inertial body 13 praises the fixed contact 11 and the movable contact 12 holds the inertial body 13 in the container 10.
- the conductive state with the fixed contact 11 is released away from the fixed contact 11.
- the drop sensor 4 constitutes an always-on type sensor.
- a plate-like insulating member 10d made of synthetic resin is attached to the bottom surface on the other end side of the container 10, and the movable contact 12 is separated from the fixed contact 11 so that the inertial body 13 is the bottom surface of the container 10. Contact In this case, each movable contact 12 is not electrically connected to the fixed contact 11 via the inertial body 13 by the insulating member 10d.
- Each movable contact 12 is disposed between each protrusion 11a of the fixed contact 11, and when the inertial body 13 contacts the movable contact 12, the inertial body 13 and the protrusion 11a contact each other.
- the gap is formed so that the movable contact 12 is not directly sandwiched between the inertial body 13 and the fixed contact 11. Thereby, even when the movable contact 12 is formed of a material that is easily deformed by extension, deformation due to the extension of the movable contact 12 can be prevented.
- the insulating member 12b on the side of the lid plate 10a is provided with a plurality of protrusions 12c projecting toward the bottom side of the container 10 at intervals in the circumferential direction.
- the inertial body 13 When moving to one end side of the movable contact 12, the inertial body 13 does not come into direct contact with one end side of the movable contact 12 due to the contact between the inertial body 13 and the protrusion 12c. As a result, it is possible to prevent plastic deformation and characteristic changes of the movable contact 12 in which excessive stress due to the pressing force of the inertial body 13 does not occur on one end side of the movable contact 12.
- the acceleration sensor 5 has the same shape as the drop sensor 4, each component will be described using the same reference numerals as the drop sensor 4 for V.
- the difference between the acceleration sensor 5 and the drop sensor 4 is that the movable contact 12 of the drop sensor 4 is formed so as to contact the fixed contact 11 by the weight of the inertial body 13, whereas the movable contact 12 of the acceleration sensor 5 is The recoverability is higher than that of the movable contact 12 of the drop sensor 4, and the fixed body 11 is not contacted only by the weight of the inertial body 13. That is, the movable contact 12 of the acceleration sensor 5 contacts the fixed contact 11 when the apparent gravity applied to the inertial body 13 is larger than a predetermined magnitude (for example, 1.5 G) due to acceleration in the direction of gravity. Come on! / As a result, the fall sensor 4 constitutes an always-off type sensor.
- the control unit 6 is constituted by a microcomputer, and is connected to the switch lh, the charging device 3, each drop sensor 4, and the acceleration sensor 5.
- the control unit 6 has a timer function.
- each drop sensor 4 and acceleration sensor 5 are attached to a substrate 7a in the center unit 7 as shown in FIG. 4, and the center unit 7 is provided on the front side of the body belt la of the mounting body 1. Is stored together with the control unit 6 in the storage unit li. [0027]
- each drop sensor 4 is arranged on a substantially vertical plane (on the substrate 7a), and is provided so that the axes of the containers 10 form a predetermined inclination angle with respect to each other. .
- the axis of the container 10 needs to be within a predetermined angle range with respect to the horizontal plane.
- the inertial body 13 comes into contact with the bottom surface of the container 10 and its weight does not work sufficiently in the direction that causes the movable contact 12 to be lifted.
- the contact between the movable contact 12 and the fixed contact 11 is released due to a slight change in gravity due to the movement of the movement, and even if the inclination is larger, the movable contact 12 and the fixed contact 11 do not contact regardless of the magnitude of gravity. Therefore, the drop sensors 4 are arranged radially while changing the angle within a predetermined inclination angle so that the ranges that do not become in the above-described state overlap each other.
- the drop sensor 4 since the drop sensor 4 has uniform characteristics in the circumferential direction of the container 10, not only when the substrate 7a of the center unit 7 is tilted along a substantially vertical plane, but also with respect to the vertical plane. Even if tilted, at least one drop sensor 4 is turned on. All the drop sensors 4 are turned off when the center unit 7 falls.
- the acceleration sensor 5 is arranged so that the axis of the container 10 is substantially horizontal.
- the acceleration sensor 5 is for detecting acceleration in the upward direction when the user jumps or jumps over a slight level difference, and such acceleration other than the upward direction has occurred. There is no need to detect. However, since the acceleration sensor 5 does not necessarily have to be one, two or more acceleration sensors 5 may be provided, or a part thereof may be slightly inclined.
- the harness-type safety belt configured as described above is used by wearing the mounting body 1 on the human body of the user A as shown in FIGS. That is, the user inserts both thighs into each thigh belt lc of the wearing body 1 and hangs each shoulder belt la on both shoulders to join the front buckle If of the waist belt lb. Wearing body 1 is worn on the human body.
- a rope (not shown) is connected to the connecting ring le, and the user is suspended by the rope in the event of a fall by connecting the rope hook to the lifeline at the work site.
- the human body is not only the waist belt lb but also each shoulder belt la and each thigh belt lc. Therefore, the tension from the rope applied to the human body is dispersed by the belts la, lb, and lc, and the human body is stably supported.
- the wearing body 1 is worn by the user and the switch lh of the wearing body 1 is turned on (Sl)
- the following program is started. That is, when user A is not accelerated in the upward direction and acceleration sensor 5 is not turned on (S2), for example, user A accidentally falls from an aerial work site, and this fall state
- the drop sensor 4 is turned off (S3), and the drop sensor 4 is turned off for a predetermined time T1 (eg, 0.4 seconds) (S4), the charging device 3 is activated (S5).
- T1 eg, 0.4 seconds
- the acceleration sensor 5 is turned on due to upward acceleration other than a crash, such as when the user A jumps or jumps over a slight level difference (S2)
- the predetermined time T2 After elapse of (for example, 0.4 seconds) (S6), it is determined whether each drop sensor 4 is on or off (S3). For example, when user A jumps, even if each fall sensor 4 is turned off while jumping, it is normally landed when time T2 elapses. Will return to the on state, and the charging device 3 will not operate unless it is determined in step S3 that each drop sensor 4 is off.
- each drop sensor 4 is turned off after a predetermined time T2. Since the state continues (S6, S3), after a predetermined time T1 has passed (S4), the charging device 3 operates (S5).
- the harness-type safety belt of the present embodiment when the user A also falls at high altitude, such as when the rope hook is forgotten to be hooked on the lifeline, it is provided on the mounting body 1. Further, since the airbag 2 is inflated, the airbag 2 can absorb the drop impact, and the drop impact applied to the user A can be reduced. In addition, when user A falls with the rope hook connected to the lifeline, the force that user A can suspend from the rope is not only the waist belt lb but also each shoulder belt. la and each thigh belt lc is also supported by the tension from the rope around the human body. Can be dispersed on belt la, lb, lc, and can support human body stably
- the airbag 2 includes a first airbag portion 2a in which a portion corresponding to the back portion of the human body is located above the connection ring le, and a portion corresponding to the back portion of the human body below the connection ring le. Since the second airbag portion 2b is positioned, the ropes can be connected to the connecting ring le without any trouble so that the airbag portions 2a, 2b and the connecting ring le do not interfere with each other. Monkey.
- the first airbag portion 2a is formed so as to extend from the back of the human body to the front side via both shoulders, and the second airbag portion 2b is formed so as to cover the waist of the human body. Therefore, at least the impact on the back of the human body and the lower back of the human body can be absorbed by the airbag 2, and the impact on the human body can be effectively absorbed.
- the on-state force is switched to the off state, and when the apparent gravity generated in the inertial body 13 is increased, the off-state force is also turned on.
- the acceleration sensor 5 is switched, and the acceleration sensor 5 is turned on by acceleration due to vertical movement other than a crash, such as when the user jumps or jumps over a step, and until the predetermined time T2 elapses.
- the airbag 2 is inflated when the state that all the fall sensors 4 have been turned off due to the user's crash continues for a predetermined time T1 or more, so that malfunctions other than during a crash are reliably prevented. It is possible to improve reliability.
- each drop sensor 4 and acceleration sensor 5 are provided at positions corresponding to the hips of the human body, there is relatively little movement in the human body in the vicinity of the hips. The malfunction of the acceleration sensor 5 can be further reduced.
- a front buckle lg that detachably couples the torso belt la of the mounting body 1 on the front side of the human body, and a switch 1 that makes the control unit 6 operable when the front buckle lg is joined. Since it is equipped with h, it can be put into an operable state together with the wearing of the wearing body 1, and it is possible to reliably prevent forgetting man-made operation.
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Lowering Means (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/004366 WO2006095440A1 (ja) | 2005-03-11 | 2005-03-11 | ハーネス型安全帯 |
CN2005800489962A CN101151070B (zh) | 2005-03-11 | 2005-03-11 | 吊带型安全带 |
US11/818,000 US7690051B2 (en) | 2005-03-11 | 2005-03-11 | Harness type safety belt |
EP05720637A EP1857147A4 (en) | 2005-03-11 | 2005-03-11 | HARNESS TYPE SAFETY BELT |
HK08110778.9A HK1118746A1 (en) | 2005-03-11 | 2008-09-26 | Harness type safety belt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/004366 WO2006095440A1 (ja) | 2005-03-11 | 2005-03-11 | ハーネス型安全帯 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006095440A1 true WO2006095440A1 (ja) | 2006-09-14 |
Family
ID=36953051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/004366 WO2006095440A1 (ja) | 2005-03-11 | 2005-03-11 | ハーネス型安全帯 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7690051B2 (ja) |
EP (1) | EP1857147A4 (ja) |
CN (1) | CN101151070B (ja) |
HK (1) | HK1118746A1 (ja) |
WO (1) | WO2006095440A1 (ja) |
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WO2009047733A3 (en) * | 2007-10-10 | 2009-07-30 | Dainese Spa | Personal protection device with inflatable bag and garment including such a device |
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KR101593046B1 (ko) * | 2009-02-09 | 2016-02-11 | 가부시키가이샤 프롭프 | 인체용 에어백 장치 |
CA2779676C (en) | 2009-11-11 | 2015-02-24 | Bell Helicopter Textron Inc. | Mobile energy attenuating seat and safety harness for aircraft |
US20110154561A1 (en) * | 2009-12-30 | 2011-06-30 | Tara Chand Singhal | Motorcycle rider safety harness |
US8826469B2 (en) * | 2010-07-20 | 2014-09-09 | Joseph Tony London | Safety net harness |
KR101093780B1 (ko) * | 2011-02-23 | 2011-12-19 | 한국과학기술연구원 | 신체충격 완화장치 |
US8746739B2 (en) | 2011-06-22 | 2014-06-10 | Carlston Life Support Systems, Inc. | Aircrew restraint system with integrated communications and controls |
US9439460B2 (en) * | 2012-08-15 | 2016-09-13 | S.S. Richards & Associates, LLC | Inflatable protection safety apparatus and method of use |
CN102836507B (zh) * | 2012-09-07 | 2014-08-20 | 高春青 | 一种高空降落自动启动装置 |
CN103041517A (zh) * | 2013-01-24 | 2013-04-17 | 李艳香 | 高楼逃生自救升降器 |
JP6607786B2 (ja) * | 2013-02-21 | 2019-11-20 | フェニュベシュ アンドラス | 衝突保護システム |
CN104096330A (zh) * | 2013-04-15 | 2014-10-15 | 四川蓝讯宝迩电子科技有限公司 | 改进型弹性安全带 |
US20160183607A1 (en) * | 2014-02-11 | 2016-06-30 | Biosensor, LLC | Protective Clothing Article Including Fall Sensors and Deployable Air Bags |
CN105233446A (zh) * | 2015-10-21 | 2016-01-13 | 中国石油化工股份有限公司 | 一种多用安全带及其使用方法 |
US10769562B2 (en) | 2016-03-16 | 2020-09-08 | Triax Technologies, Inc. | Sensor based system and method for authorizing operation of worksite equipment using a locally stored access control list |
US10325229B2 (en) | 2016-03-16 | 2019-06-18 | Triax Technologies, Inc. | Wearable sensor for tracking worksite events including sensor removal |
US11810032B2 (en) | 2016-03-16 | 2023-11-07 | Triax Technologies, Inc. | Systems and methods for low-energy wireless applications using networked wearable sensors |
US11170616B2 (en) | 2016-03-16 | 2021-11-09 | Triax Technologies, Inc. | System and interfaces for managing workplace events |
DE102016107144A1 (de) * | 2016-04-18 | 2017-10-19 | Bornack Gmbh & Co. Kg | Schutzvorrichtung für Personen |
CN106581885B (zh) * | 2016-12-20 | 2019-04-12 | 新昌县勤勉贸易有限公司 | 电力检测施工安全带悬挂器 |
CN106955099B (zh) * | 2017-03-27 | 2023-06-09 | 遵义医学院附属医院 | 一种心电监护仪的双吸盘式固定 |
CN109529217B (zh) * | 2018-11-22 | 2021-03-26 | 国网山东省电力公司莱西市供电公司 | 一种全方位安全带及其使用方法 |
CA3126214A1 (en) * | 2019-01-16 | 2020-07-23 | 3M Innovative Properties Company | Safety harness with removable rigid dorsal force-transfer member |
WO2020191063A1 (en) | 2019-03-18 | 2020-09-24 | Fenyves Andras | Airbag system and related methods of inflating an airbag |
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-
2005
- 2005-03-11 US US11/818,000 patent/US7690051B2/en not_active Expired - Fee Related
- 2005-03-11 WO PCT/JP2005/004366 patent/WO2006095440A1/ja not_active Application Discontinuation
- 2005-03-11 CN CN2005800489962A patent/CN101151070B/zh not_active Expired - Fee Related
- 2005-03-11 EP EP05720637A patent/EP1857147A4/en not_active Ceased
-
2008
- 2008-09-26 HK HK08110778.9A patent/HK1118746A1/xx not_active IP Right Cessation
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JPH053928A (ja) * | 1991-06-27 | 1993-01-14 | Mitsui Constr Co Ltd | エアバツク内蔵安全帯 |
JP3015269U (ja) * | 1995-02-28 | 1995-08-29 | 伊三郎 黒岩 | 人体保護装置 |
DE10101039A1 (de) * | 2000-01-12 | 2001-07-26 | Ubukata Ind Co | Freifall-Sensor |
JP2003265638A (ja) | 2002-03-14 | 2003-09-24 | Natl Inst Of Industrial Safety Independent Administrative Institution | 人体用落下衝撃吸収補助具 |
JP2004321487A (ja) | 2003-04-24 | 2004-11-18 | Fujii Denko Co Ltd | 安全帯用上下ベルト連結体 |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2009047733A3 (en) * | 2007-10-10 | 2009-07-30 | Dainese Spa | Personal protection device with inflatable bag and garment including such a device |
Also Published As
Publication number | Publication date |
---|---|
US20090019623A1 (en) | 2009-01-22 |
CN101151070A (zh) | 2008-03-26 |
EP1857147A4 (en) | 2009-04-29 |
EP1857147A1 (en) | 2007-11-21 |
CN101151070B (zh) | 2011-08-03 |
HK1118746A1 (en) | 2009-02-20 |
US7690051B2 (en) | 2010-04-06 |
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