EP0824939A2 - Système de protection des personnes durant l'ascension des mâts treillis - Google Patents

Système de protection des personnes durant l'ascension des mâts treillis Download PDF

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Publication number
EP0824939A2
EP0824939A2 EP97114331A EP97114331A EP0824939A2 EP 0824939 A2 EP0824939 A2 EP 0824939A2 EP 97114331 A EP97114331 A EP 97114331A EP 97114331 A EP97114331 A EP 97114331A EP 0824939 A2 EP0824939 A2 EP 0824939A2
Authority
EP
European Patent Office
Prior art keywords
locking part
legs
attached
opening
locking
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.)
Withdrawn
Application number
EP97114331A
Other languages
German (de)
English (en)
Other versions
EP0824939A3 (fr
Inventor
Geza Dr. Nesztler
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.)
ABB Patent GmbH
Original Assignee
ABB Patent GmbH
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 ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0824939A2 publication Critical patent/EP0824939A2/fr
Publication of EP0824939A3 publication Critical patent/EP0824939A3/fr
Withdrawn legal-status Critical Current

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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
    • A62B35/0043—Lifelines, lanyards, and anchors therefore
    • A62B35/0068—Anchors

Definitions

  • the invention relates to a method for securing people when climbing lattice masts with corner posts and diagonal struts, in particular steel lattice masts, such as high-voltage transmission tower, as well as a device for performing the procedure.
  • hooks or similar holding means that are inseparable from the Mast are connected, be provided on which the safety line is guided.
  • the cumbersome handling is common to all known securing options in practical use or the high manufacturing costs.
  • the object of the invention is a method of the type mentioned above for personal security when climbing lattice masts and to specify a device for carrying out the method, which are easy to use and can be used with little effort.
  • the method according to the invention is characterized in that that the person on an inclined strut above him near the Corner post attaches a hook-shaped device, which by means of a safety line is connected to the person that the person is so secured on the corner handle rises and after reaching the inclined strut to which the device is attached the device is removed and another one located above it Attaches the diagonal strut so that the person continues to climb in such a secured manner until they are has reached the intended mast height, and that after reaching the intended Mast height the person disconnects from the safety line and another Safety device used, which is assigned to the mast height concerned.
  • the Person attaches the hook-shaped device to an inclined strut there is at least one arm's length above the person, the hook-shaped Device advantageously attached to the oblique strut in question becomes.
  • An inventive device for performing the above is characterized in that it is hook-shaped two mutually inclined or parallel legs, at least one of which five times the length of the other leg, similar to a walking stick.
  • the hook-shaped device is advantageously a preferred one Embodiment is U-shaped with two approximately parallel to each other Thighs and with one connecting the ends of the thighs to the open U.
  • Crosspiece which is preferably arcuate, and with a locking part, which is arranged in the rest position across the legs and these with each other connects and thus transforms the open U into a closed eyelet, whereby by Relocate the blocking part that is open.
  • the V-shape can advantageously be provided, which also by means of a corresponding attached locking part forms a triangular eyelet.
  • the locking part can be longer of the two legs may be attached while according to another training the locking part is attached to the shorter of the two legs.
  • An advantageous embodiment of the invention provides that the locking part is pivotable and that the pivot axis of the locking part transverse to the The longitudinal axes of the two legs run, the pivot axis advantageously of the locking part runs axially parallel to the longitudinal axes of the two legs.
  • a swivel joint may be provided, which is one of the two legs concentric, and that the locking member in a transverse to the longitudinal axes of the two legs spanned plane is pivotable. It can also be used for the locking part articulated on one of the two legs on the other leg Recording should be provided.
  • Another variant of the device according to the invention is characterized in that that the locking part is displaceable as transverse to the longitudinal axes of the legs Web is formed, which translates from an open position into a closed position is movable.
  • a further favorable embodiment provides for that on one of the two bars attached locking part before opening protection, which the locking part against unwanted Opening secures.
  • This opening safety device can advantageously be operated remotely, a simple solution to this provides an operating line.
  • a particularly preferred embodiment is provided with an opening safety device
  • the device provides that these are arranged transversely to the locking part, in the Opening path of the locking part pivotally engaging web is formed with a groove is which groove engages around the locking part on three sides, that the groove width at most Is 20% larger than the width of the locking part engaging therein, so that In the secured state, the locking part is placed on the groove flanks and thereby one Self-locking occurs.
  • the locking part can also advantageously be equipped with a Be provided groove, in which the opening lock engages.
  • an eyelet can be provided on one of the two legs through which the safety line is passed through.
  • the device according to the invention expediently consists of material with sufficient strength, such as metal or fiber-reinforced Plastic.
  • the metallic device is either completely or partially Steel formed. Instead of steel it can also be provided that the device is made of light metal, preferably an aluminum alloy.
  • the device can be made from a hollow profile and / or from a flat profile, wherein advantageously at least the length of the longer leg of the device Is 1 m.
  • Another peculiarity is that according to a further training the admission for the locking part and the opening lock interact by block the unwanted opening of the locking part with a positive fit.
  • Fig. 1 is a device 10 with a U-shaped end piece 12 with a longer leg 14, a shorter leg 16 and a curved Cross bar 18 shown, which device 10 in the example shown in Fig. 1 on a rod profile of a sloping strut 20 shown in cross-section provided, not shown here, high-voltage transmission tower attached is.
  • the device 10 according to the invention can, as shown in FIG. 1, be formed in two parts and from the end piece 12 shown and one not shown exist rod-like extension, which on the longer leg 14 of the U-shaped End piece 12 connects.
  • This two-part design of the device 10 has the advantage of easy handling during transport without disadvantage for the required Holding force in practical use.
  • the walking stick-like device 10 can be made of hollow or Solid material must be formed, the selected material having sufficient tensile and bending strength must have to the bending moments and transverse and Absorb longitudinal forces.
  • the end of the longer leg 14 serving as a locking device Swivel lever 22 is extended beyond the pivot point and with an eyelet provided on which eyelet engages an operating cable 24, by means of which the Locking device can be opened by pulling the rope and the Swivel lever 22 pivots upwards.
  • Retaining eyelet 26 formed, which is a safety line, not shown here on which the person climbing the mast is secured.
  • an opening safety device 28 is provided, which is in the region of the articulation of the pivot lever pivoted by 90 ° to it in the horizontal direction also pivoted about an axis 29 on the longer leg 14 is.
  • the opening lock 28, which in the illustration in Fig. 2 in more detail Shown in detail is based on the fact that a further pivot lever 30, with a groove 32 adapted to the profile of the locking device 22, the locking device 22 overlaps and thereby blocked non-positively and positively. That is because Locking device 22 is actuated in the opening direction, so that the Swing lever 30 formed opening security also operated, that is, upwards pivoted so that the groove flanks of the groove 32 are inclined and against the Press the locking device. Another opening of the opening safety device 32 is now not possible anymore.
  • Fig. 3 Recording 34 for the locking device 22 in the form of a molded on the leg 16 short cantilever 34 provided on which the locking device in Closed position is at rest.
  • the principle of the first embodiment of the device according to the invention Personal security consists in the fact that the person, hereinafter referred to as the riser, takes on the an extension rod attached end piece after opening the lock 28 hooks into a truss rod 20 of the mast by means of a line 24.
  • the climber is already with his safety rope with shock absorber on the eyelet 26 the so-called riser hook 10 attached.
  • the locking device 22 designed as a falling knife, closes due to its own load and falls on the collecting plate 34 with a clearly audible sound the riser releases the rope of the lock 28 and thus this flap stands out the locking device 22, wherein the two flanges of the locking flap Include locking device 22. At this moment, the drop knife 22 is locked and the riser is secured.
  • the climber If the climber has climbed up to the attached device, he secures himself a safety rope over the waist belt (tether function) on the structure (e.g. mast corner handle), unlocks the drop knife 22 via the rope 33 of the lock 28, the drop knife folds up by operating the rope 24 and hangs the device 10 As usual to the next higher anchor point on the mast construction. The climber does the same when descending.
  • a safety rope over the waist belt (tether function) on the structure (e.g. mast corner handle) on the structure (e.g. mast corner handle), unlocks the drop knife 22 via the rope 33 of the lock 28, the drop knife folds up by operating the rope 24 and hangs the device 10 As usual to the next higher anchor point on the mast construction.
  • the climber does the same when descending.
  • FIG. 4 to 7 is a second embodiment of the device according to the invention shown, the basic principle of which is similar to the first embodiment 10.1, however is completely different in detail from this.
  • a locking device 36 is horizontally pivoted, which also is secured by a lock 38.
  • the principle of the second embodiment is that the riser attached to an extension rod End piece 12.2 according to the second embodiment of the device Opening a lock 36 via a cable 33 or via a vertical pulse hooks into a truss rod 20 of the mast.
  • the climber is already there with its safety rope with energy absorber on the lifting eye 26 of the device 10.2 attached.
  • the extension rod abruptly rotates and thus rotates as a rotary knife 36 trained locking device in a horizontal plane from the hook plane out.
  • the device 10.2 is thus opened and is inserted into a component from above of the building 12 suspended.
  • the lock 38 is horizontal Location. Now the riser gives the extension bar a brief angular momentum in the opposite direction. Due to the sloping tip of the lock 38 this is raised a little and immediately falls on the rotary knife 36 back and lock this. The riser is thus secured.
  • the rotary knife will additionally by a second securing at the attachment point at the free end of the Leg 16 secured against opening ring 40 against a support ring.
  • the fuse is achieved in that the deliberately chosen difference between Outside diameter leg 14 and the inside diameter of the rotary knife sleeve 42 the rotary knife 36 assumes a defined inclined position, a specific one Possibility of movement of the tip of the rotary knife 36 in the vertical direction is available.
  • the rotary knife 36 closes by the angular momentum the rotary knife 36 slides on the sloping end of an additional lock and then falls into the recess.
  • the rotary knife 36 lies as a result its own load in the recess and cannot open by itself.
  • the device 10.2 If the device 10.2 is inadvertently moved upwards while climbing, it bumps the rotary knife 36 to the truss rod 20.
  • the rotary knife 36 may result the bearing on the support ring 40 and the clamping action of the tubular sleeve 42 in Do not open the vertical direction. If the rotary knife hits a mast component Truss rod or gusset plate, which is located under the rotary knife, so pushing the rotary knife 36 through the bearing plates 46 of the axis of the Locking 38 and the clamping action of the tubular sleeve 42 prevented.
  • the rotary knife 36 remains locked.
  • the riser has climbed up to the suspended end of device 10.2, he secures himself with a second safety rope over the waist belt (Tether function) on the structure (e.g. mast corner handle, unlocked via the rope of the Locking 38 or via the vertical pulse the rotary knife 36, it works Rotary knife 36 by the described angular momentum out of the hook plane and attaches the device 10.2 to the next higher anchor point as usual the mast construction. On the descent, the climber does the opposite.
  • Tether function waist belt
  • FIG. 8 shows a third embodiment 10.3 of the device according to the invention shown, in which, similarly to the first embodiment, a locking device is formed by a vertically pivoting lever 48 which, however, on the free end of the shorter leg 16 of the end piece 12.3 is articulated, and accordingly pans there.
  • the locking device 48 designed as a pendulum flap 48 has a closed position, which is shown in FIG. 8, and an open position, in which it engages vertically on the outward-facing side of the shorter leg 16 by means of an additional retaining pin 50 in a recess 52 provided for this purpose is held.
  • the principle of the third embodiment 10.3 of the device is that the riser attached to an extension rod end piece 12.3 when opened as a swing flap 48 locking device in a truss 20 of the structure z. B. hooks steel lattice mast from above. The riser is already attached to the lifting eye 26 of the device 10.3 with its safety rope with energy absorber via snap hooks. After hanging, the riser gives the extension bar a short impulse upwards.
  • the almost vertical pendulum flap 48 is raised from the double bearing on the short leg 14 in the elongated hole 51 as a pivot bearing point and the recess 52 designed as an elongated hole with a lateral exit.
  • the upper slot was made slightly off-center and diagonally upwards.
  • the pendulum flap 48 tilts to the side as a result of the eccentric upper bearing and its own load and swings through with momentum to the opposite side.
  • the swing flap 48 swings beyond the imaginary horizontal line at the level of the bearing 54 of the swing flap 48.
  • the hinge flap 56 It moves a movable hinge flap 56 of a hinge on the opposite side of the bearing 54 of the swing flap 48 and fastened to the long leg 14, the hinge flap 56 then immediately falling back into its starting position. In doing so, it catches the pendulum flap 48, which strikes with the locking bolt 50 on the inside of the short leg 16 and swings back downward.
  • the hinge flap 56 can only move to the horizontal position.
  • the device is now in the locked state.
  • the climber can now start climbing without the risk of falling into the depth. If it slips for any reason, it only falls into its safety rope with a shock absorber, which is attached to the device.
  • the riser must choose the appropriate attachment points on the mast structure for the device. These must withstand the stress of falling into the safety rope.
  • the device when inadvertently moved upwards, the swing flap 48 abuts the truss rod 20 of the building.
  • the swing flap 48 can result Do not open when lying on hinge 56.
  • the pendulum flap 48 bumps to a component of the structure truss, gusset plates, etc., which is below the pendulum flap 48 is, the pendulum flap 48 is slightly after moved up, but is then abruptly by the locking bolt 50 on the other Prevented upward movement so that the device does not accidentally move can hang out of the building.
  • the device remains locked.
  • the climber If the climber has climbed up to the attached device, he secures himself a safety rope over the waist belt for the holding function on the building, opens the swing flap 48, in which he the movable hinge flap via a cable 33 56 lifts up far enough until the pendulum flap 48 by itself falls down.
  • the device is now open.
  • the riser now hangs on the device next higher anchor point on the structure.
  • the climber goes down accordingly vice versa.
  • the device according to the invention is particularly suitable for first-time so-called Leaders, of half-timbered structures. It can be used for all assembly, Maintenance and inspection work on half-timbered buildings will. It is compared to the loop method known in the prior art Particularly advantageous, because with larger building heights, e.g. B. over 70 m, the riser should have an unmanageable number of loops with them.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
EP97114331A 1996-08-23 1997-08-20 Système de protection des personnes durant l'ascension des mâts treillis Withdrawn EP0824939A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19634030 1996-08-23
DE1996134030 DE19634030A1 (de) 1996-08-23 1996-08-23 Verfahren zur Sicherung von Personen beim Besteigen von Gittermasten

Publications (2)

Publication Number Publication Date
EP0824939A2 true EP0824939A2 (fr) 1998-02-25
EP0824939A3 EP0824939A3 (fr) 1999-07-14

Family

ID=7803453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97114331A Withdrawn EP0824939A3 (fr) 1996-08-23 1997-08-20 Système de protection des personnes durant l'ascension des mâts treillis

Country Status (2)

Country Link
EP (1) EP0824939A3 (fr)
DE (1) DE19634030A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112878968A (zh) * 2021-01-21 2021-06-01 大庆油田有限责任公司 抽油机平衡调整操作下压悬挂式安全杆
CN112878969A (zh) * 2021-01-21 2021-06-01 大庆油田有限责任公司 抽油机平衡调整操作旋转悬挂式安全杆

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29719485U1 (de) * 1997-11-03 1999-03-18 Söll GmbH, 95028 Hof Absturzsicherung
CN113975671B (zh) * 2021-10-29 2022-11-29 国网吉林省电力有限公司超高压公司 一种输电运检用的高适用性防脱落挂拆机构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2218735A5 (fr) * 1973-02-21 1974-09-13 Protecta
US3968858A (en) * 1975-05-14 1976-07-13 Vollan Douglas D Climbing device
FR2448355A1 (fr) * 1979-02-09 1980-09-05 Gle Installations Ele Entrepri Dispositif anti-chute ancrable depuis le sol
DE7909656U1 (de) * 1979-04-04 1979-07-05 Gerd Schillings & Co, 8910 Landsberg Sicherheitsgerät für Dachständerarbeiten
IT1119475B (it) * 1979-10-26 1986-03-10 Monferrato Forever A & A Snc Dispositivo di sicurezza anticaduta particolarmente per operatori in scalata su tralicci di elettrodotti e simili
DE3347725A1 (de) * 1983-12-31 1985-07-11 Jürgen 5000 Köln Jansen Haken zum anbringen von verbindungsmitteln an hochgelegenen anschlagpunkten
DE8806921U1 (de) * 1988-05-27 1988-08-04 Mittelmann Armaturen GmbH + Co KG, 5603 Wülfrath Steigschutzeinrichtung für Maste
FR2635980B1 (fr) * 1988-09-06 1991-08-02 Peltier Marcel Dispositif d'accrochage a distance sur des points d'ancrage pour un equipement individuel de protection contre les chutes
FR2689770B1 (fr) * 1992-04-10 1994-06-17 Galtier Guy Procede et dispositif de securite pour l'escalade.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112878968A (zh) * 2021-01-21 2021-06-01 大庆油田有限责任公司 抽油机平衡调整操作下压悬挂式安全杆
CN112878969A (zh) * 2021-01-21 2021-06-01 大庆油田有限责任公司 抽油机平衡调整操作旋转悬挂式安全杆

Also Published As

Publication number Publication date
DE19634030A1 (de) 1998-02-26
EP0824939A3 (fr) 1999-07-14

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