EP3307396B1 - Dispositif de sécurisation de câbles - Google Patents

Dispositif de sécurisation de câbles Download PDF

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Publication number
EP3307396B1
EP3307396B1 EP16728680.6A EP16728680A EP3307396B1 EP 3307396 B1 EP3307396 B1 EP 3307396B1 EP 16728680 A EP16728680 A EP 16728680A EP 3307396 B1 EP3307396 B1 EP 3307396B1
Authority
EP
European Patent Office
Prior art keywords
lever
section
support structure
rope
rotation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16728680.6A
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German (de)
English (en)
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EP3307396A1 (fr
Inventor
Klaus Bornack
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.)
Bornack GmbH and Co KG
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Bornack GmbH and Co KG
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Publication date
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Publication of EP3307396A1 publication Critical patent/EP3307396A1/fr
Application granted granted Critical
Publication of EP3307396B1 publication Critical patent/EP3307396B1/fr
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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
    • A62B35/0093—Fall arrest reel devices
    • 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
    • A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
    • A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated
    • 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
    • A62B35/0075—Details of ropes or similar equipment, e.g. between the secured person and the lifeline or anchor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3204—Safety or protective measures for persons during the construction of buildings against falling down

Definitions

  • the present invention relates to a security device for securing a person, as well as a method for securing a person with the security device.
  • rope drums are used, on which a safety rope or securing tape is rolled up.
  • the safety rope connects the person to a load-bearing anchor point, e.g. on a wall. If the person moves, the cable drum releases the safety rope or rolls it up again. If the person has reached a desired working position, the unwinding of the safety rope can be prevented and fixed by the cable drum.
  • the cable drums must be easy to use and at the same time have a stable and reliable mechanism to provide a high level of safety while comfortable operation.
  • WO 2011/120519 A2 discloses a safety harness.
  • a care line is rolled up on a winding drum.
  • the winding drum has a toothing in which a bolt axis can be locked in order to prevent rotation of the winding drum.
  • the bolt axis can be operated by means of a latch button.
  • a security device for securing a person.
  • the securing device has a support structure (e.g., a supporting housing) and a cable drum.
  • a safety rope or security tape
  • the safety device further comprises an axle element, which is rotatably secured to the cable drum and rotatable (for example by means of a sliding bearing or a ball bearing) with the support structure such that by means of the axle element, the cable drum is rotatably mounted on the support structure.
  • the lever has a threaded portion which is spaced from the blocking portion.
  • the axis element has a further threaded portion.
  • the threaded portion is coupled to the further threaded portion such that upon rotation of the axle member due to the rotation of the cable drum, the threaded portion along the axis element (so to speak, in the axial direction) is moved, so that due to the displacement of the threaded portion, a rotation of the lever to the deflection point and an adjustment between the blocking position and the release position of the lever takes place.
  • a method of securing a person with the security device described above is described.
  • the cable drum is rotated relative to the support structure, wherein the threaded portion of the lever is coupled to the further threaded portion of the axle member such that upon rotation of the axle member due to the rotation of the cable drum, the threaded portion is displaced along the axis member, so that due to the displacement of the Threaded portion, a rotation of the lever about the deflection point and an adjustment between the blocking position and the release position of the lever takes place.
  • the support structure as well as the cable drum are made for example of a rigid material and suitable to absorb high forces from the cable drum.
  • the support structure is made for example of a metallic material or a metal compound. Further, the support structure may be made of fiber composite materials.
  • the support structure can simultaneously form a housing which the cable drum and the other elements of the securing device, such as the lever and the axle element einhaust.
  • another securing cable or fastening means can be arranged on the support structure, by means of which the support structure and thus the securing device can be fastened to a supporting structure, such as a load-bearing attachment point, eg to a wall or pillar, or to the person to be secured.
  • the cable drum has, for example, a reeling area on which the safety rope is rolled up.
  • the safety rope in the present invention may, for example, have a round cross-sectional profile or be band-shaped, i. have a cross-sectional profile with a small thickness compared to its width.
  • the safety rope is attached at one end to the cable drum and rolled up due to a rotation of the cable drum on this.
  • the safety rope may pass through the cable drum.
  • the safety rope can be unrolled from the cable drum as long as the cable drum is rotatable on the support structure.
  • the cable drum is rotatable as long as the lever is in the release position.
  • the safety rope may also be attached at another end to the person to be secured or to a supporting structure such as a load-bearing attachment point, eg to a wall or pillar. From a certain unrolled rope length of the safety rope, the lever moves into the blocking position and blocks further rotation of the cable drum and thus further unwinding of the safety rope of the cable drum.
  • a desired Ausrollin the rope can be adjusted.
  • the axle member is rotatably coupled to the cable drum and rotatably mounted relative to the support structure thereto.
  • the axle element may, for example, constitute a structurally separate component for the cable drum. Further, the axle member with the cable drum may be integrally and integrally formed.
  • the axle element can be fastened or rotatably mounted, for example, by means of a plain bearing or by means of a ball bearing on the support structure.
  • the lever is rotatably mounted on a deflection point on the support structure.
  • a rotary pin form the deflection point, by means of which the lever is pivotally attached to the support structure.
  • the lever is made for example of metal or a fiber composite material in order to transfer high loads.
  • the lever can be rectilinear, curved or, according to a further exemplary embodiment, formed on the support structure as an angle lever. Along the lever, this has a blocking portion and spaced for this purpose a threaded portion.
  • the blocking portion is designed to prevent in the blocking position of the lever, the rotation of the cable drum and, correspondingly, the unwinding of the safety rope.
  • the blocking section can have a friction surface in order to generate a high frictional force between the cable drum and / or the safety rope in the blocking position, thus blocking the further rotation of the cable drum.
  • the blocking portion in blocking position produce a positive connection with the cable drum to prevent further unwinding of the rope.
  • the lever has the threaded portion and the axle member the further threaded portion.
  • the threaded portion of the lever corresponds to the further threaded portion of the axle member, so that a threaded connection between the lever and the axle member is provided.
  • the threaded portion travels along the further threaded portion of the axle member (ie, in particular along the axis of rotation of the axle member), so that movement of the threaded portion along the axle member Adjustment or pivoting of the lever caused by the deflection point.
  • the lever pivots from the release position to the blocking position until the lever stops rotation of the cable drum and the blocking position is reached.
  • the cable drum or the axle element rotates in a second direction of rotation, which is opposite to the first direction of rotation.
  • the lever pivots from the blocking position to the release position.
  • the present securing device can thus specify exactly a rolling length of the safety rope. From a desired unrolled rope length, which is indicative with a number of revolutions of the cable drum, the lever is due to the threaded coupling in blocking position, so that from the desired unrolled rope length further unrolling is blocked. Thus, a desired abseiling area can be set for the person to be secured, although at the same time the safety rope is rolled up on the cable drum is not and loosely hindered the movement of the person to be secured, if the predetermined Abseilin has not been reached. Thus, a comfortable and easy-to-use security for the person to be secured is created with the present security device. At the same time securing device is robust, since due to the threaded connection a reliable mechanism is provided with a small number of movable elements.
  • the lever is designed as an angle lever.
  • the lever has a first leg and a, from the first leg angled second leg, wherein the blocking portion is formed on the first leg and the threaded portion on the second leg.
  • the bell crank differs from a linear lever.
  • both opposite ends are not along an extension direction which extends longitudinally through the lever.
  • the first leg with the first end of the lever has, for example, a first extension direction and the second leg with the first end opposite the second end of the lever has a second extension direction, wherein there is an angle between the first extension direction and the second extension direction.
  • the angle may range from 10 to 45 degrees.
  • the deflection point is not on a line connecting the first end and the second end.
  • the lever is designed such that the deflection point is arranged between the threaded section (for example on the second leg) and the blocking section (for example on the first leg).
  • the threaded portion has a lever portion and a threaded member, wherein the threaded member is pivotally attached to the lever portion.
  • the threaded element of the lever can for example form a threaded nut which has an internal thread.
  • the further threaded portion of the axle member has, for example, a corresponding external thread, so that the threaded nut is movable along the external thread when the axle member rotates.
  • the threaded element of the lever can be a threaded pin with an external thread, wherein the further threaded portion of the axle element, for example, has a bore with a corresponding corresponding internal thread, so that the threaded pin is screwed into the bore and unscrewed when the axle member rotates.
  • the lever portion describes a portion of the lever to which the threaded member is movably or rigidly attached.
  • the threaded element can be pivotally attached to the lever portion, for example by means of a fastening pin.
  • the threaded element can also be mounted (translationally) displaceably on the lever section.
  • the lever portion may have a slot, wherein the threaded member has a mounting pin, which is mounted in the slot (translationally) displaceable.
  • the threaded element can translate along the other threaded portion of the axle element move and the lever to the Turn the deflection point without creating a mechanical wedging or blockage of the movement mechanism.
  • the blocking section can form a frictional connection with the cable drum in the blocking position.
  • the lever may be pivoted such that the blocking portion presses against the cable drum to thereby increase a friction between the blocking portion and the cable drum.
  • the lever can be pivoted such that the blocking portion presses against the safety rope and thus indirectly against the cable drum, thus increasing a friction between the blocking portion and the safety rope.
  • An increase in the friction between the blocking portion and the safety rope can also lead to a blockage of the rotational movement of the cable drum.
  • the cable drum has at least one notch, wherein the lever forms a positive locking in the blocking position with the notch of the cable drum.
  • the lever can be pivoted into the blocking position such that the blocking portion directly or indirectly engages in the notch, thus stopping rotation of the cable drum.
  • the securing device has a latching cam, which is arranged pivotably on the carrier structure. In the blocking position, the blocking section of the lever pivots the latching cam until the latching cam engages in the latching notch to form the positive connection. Thus, the lever forms the positive locking indirectly via the locking cam.
  • a pivotable detent cam may have a restoring spring whose spring force presses or pulls the detent cam out of the detent notch.
  • the locking cam automatically pivots out of the notch, if the lever is in the release position and the blocking portion does not press on the locking cam.
  • the latching notch is designed such that in the blocking position the blocking section engages directly in the latching notch to form the positive connection.
  • the securing device has a pivot pin, which fixes the lever pivotably on the support structure at the deflection point.
  • the rotary pin is adjustable relative to the carrier structure, in particular parallel along an axial direction of the axis element.
  • the rotary pin forms the deflection point of the lever. Accordingly, a displacement of the spin pin and corresponding to the deflection causes a change in the distance between the lever and the cable drum.
  • a displacement of the spin pin and corresponding to the deflection causes a change in the distance between the lever and the cable drum.
  • the distance between the lever and the cable drum and in particular when changing the deflection point of the lever relative to the cable drum also changes the entry of the blocking position of the lever with respect to a movement of the threaded portion of the lever along the axis element.
  • the pivotal path of the blocking portion also changes relative to the movement of the threaded portion of the lever along the axis member.
  • the rotation pin forms a rotation axis of the lever, wherein the rotation axis is not parallel to the rotation axis of the cable drum / axle member and a radial direction of the rotation axis of the cable drum / axle member, for example.
  • the adjustment of the spin pin relative to the support structure can also be used to manually release the blocking position of the lever to allow re-rolling the cable drum.
  • the blocking position of the lever in a first position of the deflection point, can be reached after a first number of revolutions of the cable drum, while the blocking position of the lever can be reached after a second, second number of revolutions of the cable drum at a second position of the deflection point.
  • the unwinding cable length of the safety rope can be adjusted, since the unrollable cable length is proportional to the number of revolutions of the cable drum until the blocking position is reached.
  • the securing device has an actuating means to which the rotary pin is coupled.
  • the actuating means for example a lever, slider or push button
  • the actuating means is designed to adjust the pivot pin relative to the support structure.
  • the actuating means has a latching section and the support structure has a further latching section.
  • the latching portion and the further latching portion are formed such that by means of actuating the actuating means of the rotary pin is adjustable relative to the support structure and at a certain position by latching the latching portion with the further latching portion is fixable.
  • the actuating means may be a slidably disposed on the support structure slide, which is arranged such that when pressing the slide of the latching portion and the further latching portion are decoupled and with a simultaneous displacement of the slide an adjustment of the deflection point is effected.
  • the slider has a restoring force, which is generated for example by means of a spring or by means of its elastic deformation behavior, so that the slider after stopping the pressing movement of the locking portion and the further locking portion are coupled again and a further displacement of the deflection point is prevented.
  • a set screw can also be arranged on the support structure, wherein the set screw can be screwed into the actuation means and correspondingly forms a threaded connection with the actuation means. Accordingly, the actuating means can be moved by screwing the screw and thus an adjustability of the deflection be implemented.
  • the securing device has a centrifugal force element, which is arranged movably on the cable drum.
  • the centrifugal force element Upon rotation, in particular at a predetermined rotational speed of the cable drum, the centrifugal force element is radially movable (with respect to the axis of rotation of the cable drum) to the outside, that at a predetermined rotational speed of the cable drum a positive connection with the support structure can be produced.
  • the positive connection of the centrifugal force element with the support structure leads to a suppression of the rotation of the cable drum and thus to a stop of the unwinding of the safety rope.
  • the support structure may have corresponding internal toothing, in which engages the centrifugal force element at a certain rotational speed of the cable drum.
  • the centrifugal force element may, for example, be a slide which translates radially outward along the radial direction of the cable drum is displaceable.
  • the centrifugal element can be arranged pivotably on the cable drum, so that at a predetermined rotational speed of the cable drum, the centrifugal element pivots radially outward and produces a positive connection with the internal toothing of the support structure.
  • the centrifugal force element can remain in a starting position, for example, by means of a return spring. From a certain rotational speed of the cable drum, the centrifugal forces, which act on the centrifugal force increase. If the centrifugal forces exceed the restoring force of the restoring spring, then the centrifugal force element shifts radially outward and blocks further movement of the cable drum.
  • the centrifugal element may be formed by means of damper elements which hold the centrifugal element in the starting position.
  • the control of the centrifugal element can also be done by adjusting its weight or its weight distribution.
  • the securing device has a spiral spring, wherein the spiral spring between the cable drum and the support structure is arranged such that the cable drum is rotatable in the release position due to a spring force of the coil spring.
  • the spiral spring between the cable drum and the support structure is arranged such that the cable drum is rotatable in the release position due to a spring force of the coil spring.
  • the cable drum has a roll-up path along a circumference of the cable drum, along which the safety cable can be rolled up.
  • the roll-up track further has a first cable feedthrough and a second cable feedthrough, which is formed along the circumferential direction at a distance from the first cable feedthrough.
  • the first cable feedthrough and the second cable feedthrough are designed such that the safety rope can be guided through the cable drum and both cable ends of the safety cable can be rolled up and unrolled simultaneously when the cable drum is rotated.
  • the safety rope is not anchored load-bearing on the cable drum but runs through it. There is thus a direct connection e.g. between the person to be secured and a stop point, so that the power flow also runs directly between the person to be secured and the attachment point.
  • the safety device thus has more or less exclusively a Aufspulfunktion and must transmit lower forces.
  • the securing device can be designed and manufactured easier and cheaper.
  • a cable end of the safety rope can be fixed with a rope end to the cable drum.
  • Fig.1 to Fig. 3D show exemplary embodiments of the security device 100 according to the invention for securing a person.
  • Fig. 1 is a lever 105 in a release position and in Fig. 2A and Fig. 2B the lever 105 is shown in a blocking position.
  • the security device 100 has a support structure 101 (e.g., a supporting housing) and a cable drum 102. On the cable drum 102 is a safety rope 103 (or a security tape) to which the person is fastened, rolled up (and accordingly unrolled).
  • the securing device 100 further has an axle element 104, which is fixed in a rotationally fixed manner to the cable drum 102 and rotatable (for example by means of a sliding bearing or a ball bearing) with the support structure 101 such that the cable drum 102 is rotatably mounted on the support structure 101 by means of the axle element 104 ,
  • the safety device 100 further comprises the lever 105, wherein the lever 105 is pivotally mounted at a deflection point 106 on the support structure 101.
  • the lever 105 has a blocking portion 107.
  • a blocking position of the lever 105 (see Fig. 2 ) is coupled to the cable drum to a rotation of the cable drum 102 (and a corresponding Unwind the safety cable 103) to prevent.
  • a release position of the lever 105 see Fig. 1
  • the blocking portion 107 is decoupled from the cable drum 102 and the cable drum 102 is rotatable (and accordingly a unwinding of the safety cable 103 is made possible).
  • the lever 105 has a threaded portion 108 which is spaced from the blocking portion 107.
  • the axle member 104 has another threaded portion 109.
  • the threaded portion 108 is coupled to the further threaded portion 109 by means of a threaded connection such that upon rotation of the axle member 104 due to the rotation of the cable drum 102, the threaded portion 108 is displaced along the axle member 104 (as it were in the axial direction 117 of the cable drum 102 and the axle member 104), so that due to the displacement of the threaded portion 108, a rotation of the lever 105 about the deflection point 106 and an adjustment between the blocking position and the release position of the lever 105 takes place.
  • the support structure 101 forms the support structure 101 a housing which houses the cable drum 102 and the other elements of the safety device, such as the lever 105 and the axle element 104.
  • a fuse element 501 (see Fig. 5 ) can be arranged, by means of which the support structure 101 and thus the securing device 100 can be attached to a supporting structure, such as a wall or a pillar, or to the person to be secured.
  • the cable drum 102 has a reeling area or a rolling track 123 on which the safety cable 103 is rolled up.
  • the safety cable 103 is attached at one end to the cable drum 102 and due to a rotation of the cable drum 103 rolled up on this.
  • the safety cable 103 through the cable drum 102nd be performed.
  • the safety cable 103 can be picked up by the cable drum 102 as long as the cable drum 102 is rotatable on the support structure 101.
  • the cable drum 102 is rotatable as long as the lever 105 in the release position (see Fig. 1 ) is present.
  • the safety cable 103 may also be attached at another end to the person to be secured or to a supporting structure such as a wall or pillar.
  • the lever 105 moves into the blocking position (see Fig. 2A and Fig. 2B ) and blocks further rotation of the cable drum 102 and thus further unwinding of the safety cable 103 from the cable drum 102.
  • the axle member 104 is rotatably coupled to the cable drum 102 and rotatably mounted relative to the support structure 101 thereto.
  • the cable drum 102 and the axle member 104 rotate relative to the support structure 101 about the rotation axis 117.
  • the lever 105 is rotatably mounted on the deflection point 106 on the support structure 101.
  • the pivot pin 106 form the deflection point 106, by means of which the lever 105 is pivotally mounted on the support structure 101.
  • the lever 105 is formed in the exemplary embodiment as an angle lever. Along the lever 105, this has the blocking portion 107 and spaced therefrom the threaded portion 108 on.
  • the lever 105 has a first leg 111 and a, from the first leg 111 angled second leg 112.
  • the blocking portion 107 is on the first leg 111 and the threaded portion 108 is formed on the second leg 112.
  • both opposite ends are not along an extension direction, which in Lengthwise passes through the lever 105.
  • the first leg 111 with the first end of the lever 105 has, for example, a first extension direction and the second leg with the first end opposite the second end of the lever 105 has a second extension direction, wherein there is an angle between the first extension direction and the second extension direction ,
  • the angle of the present bell crank 105 between the first leg 111 and the second leg 112 is for example 45 degrees.
  • the second leg 112 extends from the axle member 104 next to the cable drum 102 radially outward to the deflection point 106.
  • the first leg 111 extends from the deflection point 106 along an axial direction with respect to the rotation axis 117.
  • the deflection point 106 is between the Threaded portion 108 and the blocking portion 107 is arranged.
  • the blocking portion 107 and the threaded portion 108 are radially spaced apart and at the same time axially spaced apart.
  • the angle lever 105 is formed such that by means of a rotation of the lever 105 about the deflection point 106, a radial distance between the blocking portion 107 and the cable drum 102 is changed.
  • the blocking portion 107 is designed to prevent the rotation of the cable drum 102 and, correspondingly, the unwinding of the safety cable 103 in the blocking position of the lever 105.
  • the cable drum 102 has at least one latching notch 301 (see Fig. 3 ), wherein the lever 105 forms a positive connection with the latching notch 301 of the cable drum in the blocking position.
  • the securing device 100 has a latching cam 121, which is arranged pivotably about an axis of rotation 118 (which runs, for example, parallel to the axis of rotation 117) on the carrier structure 101 is. In blocking position of the blocking portion 107 of the lever 105 pivots the locking cam 121 until it engages in the notch 301 to form the positive connection (see Fig. 4 ). Thus, the lever 105 forms indirectly via the latching cam 121 from the positive connection.
  • the pivotable detent cam 121 may, for example, have a restoring spring whose spring force presses or pulls the detent cam 121 out of the detent notch 301.
  • the locking cam 121 automatically pivots out of the notch, if the lever 105 is in the release position and its blocking portion 107 does not press on the locking cam 121.
  • the threaded portion 108 of the lever 105 corresponds to the further threaded portion 109 of the axle member 104, so that a threaded connection between the lever 105 and the axle member 104 is provided.
  • the threaded portion travels along the further threaded portion of the axle member 104 (ie in particular along the axis of rotation 117 of the axle member 104), so that the movement the threaded portion 108 along the axis member 104 causes an adjustment or pivoting of the lever 105 about the deflection point 106.
  • the cable drum 102 or the axle element 104 rotates in a first direction of rotation (in FIG Fig. 1 and Fig. 2A along the axis of rotation 117 from left to right) to retrieve the cable 103, the lever 105 pivots from the release position to the blocking position until the lever 105 stops the rotation of the cable drum 102 and the blocking position is reached (see Fig. 2 ).
  • the cable drum 102 or the axle element 104 rotates in a second direction of rotation (in FIG Fig. 1 and Fig. 2A along the axis of rotation 117 from right to left), which is opposite to the first direction of rotation.
  • the lever 105 pivots from the blocking position to the release position (see Fig. 1 ).
  • the present safety device 100 can thus specify a rolling length of the safety cable 103. From a desired unrolled rope length, which is indicative with a number of revolutions of the cable drum 102, the lever 105 is due to the threaded coupling in blocking position, so that from the desired unrolled rope length further unrolling is blocked. Thus, a desired rappelling area for the person to be secured can be adjusted, although at the same time the safety rope 103 is rolled up on the cable drum 102 and not loosely obstructs the movement of the person to be secured, if the predetermined Abseilzel has not been reached.
  • the lever 105 is connected via a thread with the cable drum 102.
  • the cable drum 102 By pulling out the tape (safety rope 103), the cable drum 102 is set in motion.
  • the cable drum 102 in turn shifts the lever 105 horizontally through the threaded connection (ie, along the axis of rotation 117 in FIG Fig. 1 ) on the drum axis that is the axis element 104.
  • the horizontal movement is deflected into a vertical movement (which is perpendicular to the axis of rotation 117) and thus redirected to the latching cam 121.
  • Fig. 2A and Fig. 2B show an end position in which the band or the safety cable 103 is pulled out to a desired rope / band length.
  • the tape and the corresponding rotation of the cable drum 102 was about the threaded connection of the lever 105 to the outermost position (in Fig. 2A right position) of the drum axis ie the axle member 104.
  • About the deflection point 106 was in Fig. 2A horizontal movement of the lever in one Fig. 2A vertical movement 201 (which is perpendicular to the axis of rotation 117) deflected and thus redirected to the locking cam 121.
  • the path of movement of the lever 105 and thus the stroke of the detent cam 121 are precisely tuned and are in proportion to various components, u.a. the length of the belt 103, the drum diameter of the cable drum 102 and the thread pitch and length of the threaded portion 108 and the further threaded portion 109th
  • this ratio can be changed by the deflection point 106 is moved.
  • the unloaded belt 103 is moved over the cable drum 102 and e.g. rolled up the built in "coil spring".
  • the locking cam 121 is mounted so that the rolling allows at any time, regardless of the position of the adjustment knob 110th
  • the threaded portion 108 has a lever portion 113 and a threaded member 114.
  • the threaded member 114 of the lever 105 is a threaded nut having an internal thread.
  • the further threaded portion 109 of the axle member 104 has a corresponding external thread such that the threaded nut is movable along the external thread as the axle member 104 rotates.
  • the threaded member 114 is pivotally attached to the lever portion 113, for example by means of a mounting pin 116.
  • the threaded element 114 is also (translationally) slidably mounted on the lever portion 113.
  • the lever portion 113 has a slot 115 in which the mounting pin 116 (translationally) is slidably mounted.
  • the design of the slot 115 is adapted to the pivoting path of the lever 105, and the lever portion 113 and the mounting pin 116, upon rotation of the lever 105 to the deflection point 106th
  • the threaded member 114 translationally along the other threaded portion 109 of the axis member 104 ie along the axis of rotation 117 and the direction of displacement 201 move and the lever 105 to rotate about the deflection point 106, without any mechanical wedging or blockade of the movement mechanism arises.
  • the deflection point 106 is formed via a rotation pin 106 '.
  • the rotation pin 106 ' is relative to the support structure 101, in particular parallel along an axial direction 117 of the axis member 104, adjustable.
  • a displacement of the pivot pin 106 'and corresponding to the deflection point 106 causes a change in the distance between the lever 105 and the cable drum 102.
  • changing the distance between the lever 105 and the cable drum 102 and in particular when changing the deflection point 106 of the lever 105 relative to the cable drum 102 also changes the entrance of the blocking position of the lever 105 with respect to a movement of the threaded portion 108 of the lever 105 along the axis member 104.
  • the adjustment of the pivot pin 106 'relative to the support structure 101 can also be used to manually release the blocking position of the lever 105 to allow rewinding of the cable drum 102.
  • the blocking position of the lever 105 can be reached, while at a second position of the deflection point 106 after another second number of revolutions of the cable drum 102 reaches the blocking position of the lever 105 his.
  • the unrollable cable length of the safety cable 103 can be adjusted since the unrollable cable length is proportional to the number of revolutions of the cable drum 102 until the blocking position is reached.
  • the pivot pin 106 ' is coupled to a slider 110 as an actuating means.
  • the slider 110 is designed to adjust the pivot pin 106 'relative to the support structure 101.
  • the slider 110 has a latching portion 122 and the support structure 101 has a further latching portion 120 (see embodiment in FIG Fig. 2B ).
  • the latching portion 122 and the further latching portion 101 are formed such that is adjustable relative to the support structure 101 by means of operating the slider 110 of the rotary pin 106 and at a certain position by latching the latching portion 122 with the further latching portion 120 is fixable.
  • the slide 110 is set up so that, when the slide 110 is pressed, the latching section 122 and the further latching section 120 are decoupled and an adjustment of the deflection point 106 is effected with a simultaneous displacement of the slide 110.
  • the slider 110 has a restoring force, which is generated for example by means of a spring or by means of its elastic deformation behavior, so that the slide 110 after stopping the pressing movement of the latching portion 122 and the further latching portion 120 are coupled again and a further displacement of the deflection point 106 is prevented.
  • an adjusting screw 202 may be arranged on the support structure, wherein the adjusting screw 202 can be screwed into the actuating means 110 as a slide and correspondingly forms a threaded connection with the actuating means 110. Accordingly, by means of screwing the adjusting screw 202, the actuating means 110 is displaced and thus an adjustability of the deflection point 106 can be implemented.
  • FIGS. 3A to 3D a centrifugal force element 302 of the securing device 100 is shown.
  • the centrifugal force element 302 is movably arranged on the cable drum 102.
  • the centrifugal force element 302 Upon rotation, in particular at a predetermined Rotational speed of the cable drum 102, the centrifugal force element 302 is movable radially outwardly (with respect to the axis of rotation 117 of the cable drum 102) such that a positive connection with the carrier structure 101 is produced at a predetermined rotational speed of the cable drum 101.
  • the positive connection of the centrifugal force element 302 with the support structure 101 leads to a suppression of the rotation of the cable drum 102 and thus to a stop of the unwinding of the safety cable 103.
  • centrifugal force pawls are extended as a centrifugal force element 302 in order to block the cable drum.
  • the blocking by the centrifugal pawls 302 is independent of the setting of the actuating means 110.
  • the carrier structure 101 has a corresponding internal toothing 304, in which the centrifugal force element 302 engages at a specific rotational speed of the cable drum 102.
  • the centrifugal force element 302 is arranged pivotably on the cable drum 102, so that at a predetermined rotational speed of the cable drum 102, the centrifugal force element 302 pivots radially outward and produces a positive connection with the internal toothing 304 of the support structure 101.
  • the rotational speed of the cable drum 102, from which the centrifugal force elements 302 pivot outwards, can be adjusted by corresponding restoring forces of springs 305, which are arranged correspondingly between the cable drum 102 and the centrifugal force element 302.
  • the restoring forces can be generated by means of magnets, which can be arranged correspondingly on the cable drum 102 and the centrifugal force elements 302.
  • FIGS. 3A to 3D show that the cable drum 102 has a toothed rim 303.
  • the ring gear 303 is rotationally fixed to the axle member 104th connected and thus rotates together with the cable drum 102.
  • the sprocket 303 has an external toothing, wherein the external toothing forms the notches 301.
  • the cable drum 102 may have, for example, two spaced sprockets 303, 303 ', between which the roll-up path 123 extends.
  • the safety cable 103 may, as in Fig. 6 shown schematically, are passed through the housing outputs 306, 307 of the support structure 101 and through the cable drum 102. Around friction points between the safety cable 103 and the housing exits 306, 307 are respectively rollers 308 along which the safety cable 103 can roll along.
  • Fig. 4 shows an enlarged section of the embodiment Fig. 3A , wherein the lever 105 is in blocking position and thus presses on the latching cam 121.
  • the locking cam 121 in turn engages in the notch 301 of the ring gear 303, so that rotation of the cable drum 102 is prevented.
  • the locking cam 121 and the notch 301 are formed such that in a first direction of rotation of the cable drum 102 (in Fig. 4 clockwise) a wedging takes place and in a second, the first rotational direction opposite direction of rotation of the cable drum 102 (in Fig. 4 counterclockwise) a rotation or a freewheel of the cable drum 102 in the manner of a sprag freewheel is possible.
  • Fig. 5 shows an external view of the securing device 100 according to the embodiments Fig. 1 to Fig. 4 .
  • the support structure 101 is a housing which houses the essential elements, such as the cable drum 102, the axle member 104 and the lever 105.
  • the Safety cable 103 is guided through an opening, for example the housing exits 306 and / or 307, of the support structure 101 to the cable drum 102.
  • the safety cable 103 may, as in Fig. 6 represented, are passed through the cable drum 102.
  • a securing element 501 such as another securing cable, may be attached to the support structure 101.
  • the support structure 101 can be attached to a supporting structure, such as a Wall or a carrier, to be attached.
  • the slider 110 is shown as an actuating means, which protrudes through the housing as a support structure 101 and was operated from the outside of the outside of the housing.
  • the roll length of the safety cable 103 can be adjusted flexibly.
  • the cable drum 102 has a roll-up path 123 along a circumferential direction 606 of the cable drum 102, along which the safety cable 103 can be rolled up.
  • the roll-up path 123 further has a first cable feed-through 601 and a second cable feed-through 602, which is formed along the circumferential direction 606 at a distance from the first cable feed-through 601.
  • the first cable feedthrough 601 and the second cable feedthrough 602 are designed such that the safety cable 103 can be guided through the cable drum 102 and when the cable drum 102 is rotated, both opposite cable ends 607, 608 of the safety cable 103 can be rolled up and unrolled simultaneously. Further, the axle member 104 has a gap or slot through which the Safety cable 103 can be passed between the first cable feedthrough 601 and the second cable feedthrough 602.
  • the safety cable 103 is not anchored load-bearing on the cable drum 102 due to the passage through the cable drum 102 and the roller conveyor 123 but runs through it. There is thus a direct connection e.g. between an abutment point 604 and another abutment point 605, to which e.g. the person to be secured is attached, so that also the power flow runs directly between the person to be secured and the attachment point 604.
  • the securing device 100 thus has more or less exclusively a Aufspulfunktion and must transmit lower forces.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Emergency Lowering Means (AREA)

Claims (15)

  1. Dispositif de sécurisation (100) pour la sécurisation d'une personne, dans lequel le dispositif de sécurisation (100) présente
    une structure de support (101),
    un tambour de câble (102), sur lequel un câble de sécurisation (103), auquel la personne peut être fixée, est enroulable,
    un élément d'axe (104), lequel est fixé solidaire en rotation avec le tambour de câble (102) et en rotation avec la structure de support (101) de sorte que le tambour de câble (102) est logé en rotation au niveau de la structure de support (101) au moyen de l'élément d'axe (104),
    un levier (105),
    dans lequel le levier (105) est fixé de manière pivotante au niveau d'un point de renvoi (106) au niveau de la structure de support (101),
    dans lequel le levier (105) présente une section de blocage (107), laquelle est réalisée de sorte
    que dans une position de blocage du levier (105), la section de blocage (107) est couplée avec le tambour de câble (102) pour empêcher une rotation du tambour de câble (102) et
    que dans une position de libération du levier (105), la section de blocage (107) est découplée du tambour de câble (102) et le tambour de câble (102) est rotatif,
    caractérisé en ce que
    le levier (105) présente une section filetée (108), laquelle est espacée de la section de blocage (107),
    dans lequel l'élément d'axe (104) présente une autre section filetée (109),
    dans lequel la section filetée (108) est couplée avec l'autre section filetée (109) de sorte que lors de la rotation de l'élément d'axe (104) en raison de la rotation du tambour de câble (102), la section filetée (108) est décalée le long de l'élément d'axe (104) de sorte qu'en raison du décalage de la section filetée (108), une rotation du levier (105) autour du point de renvoi (106) et un réglage entre la position de blocage et la position de libération du levier (105) a lieu.
  2. Dispositif de sécurisation (100) selon la revendication 1,
    caractérisé en ce que le levier (105) est réalisé en tant que levier coudé.
  3. Dispositif de sécurisation (100) selon la revendication 2,
    caractérisé en ce que le levier (105) présente une première branche (111) et une seconde branche (112) coudée par rapport à la première branche,
    dans lequel la section de blocage est réalisée au niveau de la première branche (111) et la section filetée (108) est réalisée au niveau de la seconde branche (112).
  4. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que le levier (105) est réalisé de sorte que le point de renvoi (106) est agencé entre la section filetée (108) et la section de blocage (107).
  5. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 4,
    caractérisé en ce que la section filetée (108) présente une section de levier (113) et un élément fileté (114),
    dans lequel l'élément fileté (114) est fixé de manière pivotante au niveau de la section de levier (113).
  6. Dispositif de sécurisation (100) selon la revendication 5,
    caractérisé en ce que la section de levier (113) présente un trou oblong (115),
    dans lequel l'élément fileté (114) présente une broche de fixation (116), laquelle est logée de manière coulissante dans le trou oblong (115).
  7. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 6,
    caractérisé en ce que la section de blocage (107) forme dans la position de blocage une liaison de friction avec le tambour de câble (102).
  8. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 7,
    caractérisé en ce que le tambour de câble (102) présente au moins une encoche d'arrêt (301),
    dans lequel le levier (105) forme dans la position de blocage une complémentarité de forme avec l'encoche d'arrêt (301) du tambour de câble (102).
  9. Dispositif de sécurisation (100) selon la revendication 8, présentant en outre
    une came d'encliquetage (121), laquelle est agencée de manière pivotante au niveau de la structure de support (101),
    caractérisé en ce que dans la position de blocage, la section de blocage (107) du levier (105) pivote la came d'encliquetage (121) jusqu'à ce que la came d'encliquetage (121) vienne en prise dans l'encoche d'arrêt (301) pour la formation de la complémentarité de forme,
    dans lequel l'encoche d'arrêt (301) est réalisée en particulier de sorte que dans la position de blocage, la section de blocage (107) vient en prise directement dans l'encoche d'arrêt (301) pour la formation de la complémentarité de forme.
  10. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 9, présentant en outre
    une broche de rotation, laquelle fixe le levier (105) de manière pivotante au niveau du point de renvoi (106) au niveau de la structure de support (101),
    caractérisé en ce qu'en particulier la broche de rotation est réglable par rapport à la structure de support (101), en particulier parallèlement le long d'une direction axiale de l'élément d'axe (104).
  11. Dispositif de sécurisation (100) selon la revendication 10, présentant en outre
    un moyen d'actionnement (110), au niveau duquel la broche de rotation est couplée,
    caractérisé en ce que le moyen d'actionnement (110) est réalisé pour régler la broche de rotation par rapport à la structure de support (101),
    dans lequel le moyen d'actionnement (110) présente une section d'encliquetage (122) et la structure de support (101) présente une autre section d'encliquetage (120),
    dans lequel la section d'encliquetage (122) et l'autre section d'encliquetage (120) sont réalisées de sorte que la broche de rotation est réglable par rapport à la structure de support (101) à l'aide de l'actionnement du moyen d'actionnement (110) et peut être fixée au niveau d'une position déterminée par encliquetage de la section d'encliquetage (122) avec l'autre section d'encliquetage (120).
  12. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 11, présentant en outre
    un élément centrifuge (302), lequel est agencé de manière mobile au niveau du tambour de câble (102),
    caractérisé en ce que lors de la rotation du tambour de câble (102), l'élément centrifuge (302) est mobile radialement vers l'extérieur de sorte que pour une vitesse de rotation prédéterminée du tambour de câble (102), une complémentarité de forme avec la structure de support (101) peut être établie.
  13. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 12, présentant en outre
    un ressort hélicoïdal,
    caractérisé en ce que le ressort hélicoïdal est agencé entre le tambour de câble (102) et la structure de support (101) de sorte que le tambour de câble (102) est rotatif en raison d'une force de ressort du ressort hélicoïdal dans la position de libération.
  14. Dispositif de sécurisation (100) selon l'une quelconque des revendications 1 à 13,
    caractérisé en ce que le tambour de câble (102) présente le long d'une direction périphérique (606) du tambour de câble (102), une voie d'enroulage (123), le long de laquelle le câble de sécurisation (103) est enroulable,
    dans lequel la voie d'enroulage (123) présente en outre un premier passage de câble (601) et un second passage de câble (602), lequel est réalisé espacé du premier passage de câble (601) le long de la direction périphérique (606),
    dans lequel le premier passage de câble (601) et le second passage de câble (602) sont réalisés de sorte que le câble de sécurisation (103) peut être guidé à travers le tambour de câble (102) et lors de la rotation du tambour de câble (102), les deux extrémités de câble (607, 608) opposées du câble de sécurisation (103) sont enroulables et déroulables en même temps.
  15. Procédé de sécurisation d'une personne avec un dispositif de sécurisation selon l'une quelconque des revendications 1 à 14, le procédé présentant
    la rotation du tambour de câble (102) par rapport à la structure de support (101),
    caractérisé en ce que la section filetée (108) du levier (105) est couplée avec l'autre section filetée (109) de l'élément d'axe (104) de sorte que lors de la rotation de l'élément d'axe (104) en raison de la rotation du tambour de câble (102), la section filetée (108) est décalée le long de l'élément d'axe (104) de sorte qu'en raison du décalage de la section filetée (108), une rotation du levier (105) autour du point de renvoi (106) et un réglage entre la position de blocage et la position de libération du levier (105) a lieu.
EP16728680.6A 2015-06-12 2016-06-10 Dispositif de sécurisation de câbles Active EP3307396B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015109444.4A DE102015109444B4 (de) 2015-06-12 2015-06-12 Seilsicherungsvorrichtung
PCT/EP2016/063408 WO2016198680A1 (fr) 2015-06-12 2016-06-10 Dispositif de sécurisation de câbles

Publications (2)

Publication Number Publication Date
EP3307396A1 EP3307396A1 (fr) 2018-04-18
EP3307396B1 true EP3307396B1 (fr) 2019-08-07

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Application Number Title Priority Date Filing Date
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Country Link
US (1) US10426982B2 (fr)
EP (1) EP3307396B1 (fr)
DE (1) DE102015109444B4 (fr)
WO (1) WO2016198680A1 (fr)

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Also Published As

Publication number Publication date
EP3307396A1 (fr) 2018-04-18
US20180185679A1 (en) 2018-07-05
WO2016198680A1 (fr) 2016-12-15
DE102015109444A1 (de) 2016-12-15
US10426982B2 (en) 2019-10-01
DE102015109444B4 (de) 2018-08-02

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