摘要:
A device for the protection of power lines, an external cylindrical body (10), which may be hooked to a support, a piston (18), slidably housed inside the external cylindrical body (10) and which may be rotatably translated between a first retracted position and a second extended position, and two elastic means (20, 28), between which an annular element (26) is interposed, coaxial with respect to the rod, said annular element (26) housing at least one hook (30), integral with the annular element (26) and radially movable between an engaged condition with a corresponding recess (33) on the rod (19), wherein the rod (19) is not free to slide with respect to the annular element (26), and a disengaged condition from the recess (33), wherein the rod (19) is free to slide with respect to the annular element (26).
摘要:
A protection system (1) for power lines comprises a safety device which includes: at least one electrically conductive body (60), adapted to electrically connect the terminals of two electrical conductors (61); a coupling plate (62), which may be secured to a support (P), a pivotable element being hinged to this coupling plate (62); and a breaking element (64), connected to the pivotable element and adapted to engage the electrically conductive body (60), said breaking element (64) being movable from a rest position, wherein the electrically conductive body (60) is in an undeformed condition, and an engaged position, wherein the electrically conductive body (60) is in a deformed condition and prevents the transmission of an electric current between its ends.
摘要:
Ein Klappanker zur Sicherung von Leiterseilen während der Aufhängung der Leiterseile umfasst wenigstens einen Klapparm und eine Verbindungseinrichtung, wobei der Klapparm an der Verbindungseinrichtung angeordnet ist. Der Klapparm ist so ausgebildet, dass er in einer ausgeklappten Stellung weiter von der Verbindungseinrichtung absteht als in einer eingeklappten Stellung. Die Verbindungseinrichtung umfasst ein erstes Verbindungselement sowie ein zweites Verbindungselement, wobei die beiden Verbindungselemente eine Wirkungsrichtung definieren. Die Verbindungseinrichtung weist einen Auslöser auf, welcher Auslöser so ausgebildet ist, dass er den Klapparm von der eingeklappten in die ausgeklappte Stellung überführen kann. Der Auslöser ist ausgebildet, den Klapparm auszulösen, indem der Klapparm beginnt auszuklappen, wenn eine Zugkraft entlang der Wirkungsrichtung einen Auslöseschwellwert unterschreitet.
摘要:
Ein Rollenkasten umfasst zur Aufhängung von Leiterseilbündeln eine Achse, zwei Arme, einen Querträger und einen Seilhalter zur Halterung an einem bereits aufgehängten Seil. Der Seilhalter ist an den Querträger angeordnet und die Achse wird von den zwei Armen gehalten, wobei die Arme über den Querträger miteinander verbunden sind. Es sind wenigstens zwei Seilrollen auf der Achse angeordnet und der lichte Abstand zwischen den Seilrollen und dem Querträger bzw. dem Seilhalter beträgt wenigstens 5 cm, vorzugsweise wenigstens 7 cm und besonders vorzugsweise wenigstens 10 cm.
摘要:
The present invention relates to problems how to keep cable arrangement functional, or at least make the damage as little as possible, after being exposed to different types of mechanical overloads . The problems are solved by methods and arrangements in which the securing means and the contact material of the securing means are arranged so that the cable can slide through the securing means when it is exposed to mechanical overloads .
摘要:
A terminal (1) for fixing a plurality of cable lugs (2) at the end of cables (3) is disclosed. The terminal (1) comprises at least one base body (4) and a plurality of terminal screws (5) screwed thereto, wherein each terminal screw (5) can clamp an eyelet end or a fork type end of a cable lug (2) between the base body (4) and said terminal screw (5). The terminal (1) also comprises a case (6) with a fixed part (7) and a plurality of movable case parts (10) individually movably arranged in the fixed case part (7). The case (6) encloses the base body (4), the terminal screws (5) and the cable lugs (2). Each movable case part (10) is associated each with a terminal screw (5), and each movable case part (10) comprises a recess (A) forming a feed through for a cable (3) mounted to the cable lug (2).
摘要:
A conductor supporting assembly includes a pair of yokes having a pair of cables extending therebetween in spaced parallel array. Actuators tension the cables so as to selectively draw the yokes toward each other along the cables. Grips cooperate with yokes for mounting the yokes in spaced apart array to and along a conductor segment of a conductor to be serviced so as to extend the conductor segment along and substantially medially between the yokes. The drawing of the yokes toward each other thereby de-tensions the conductor segment to allow for repair or service.