摘要:
A wire rope for a heavy-load crane, such as a ladle crane is provided that is not only almost rotation-resistant but is also unlikely to be broken by wear and fatigue of wires. The rotation-resisting wire rope has a plurality of side strands. In side each strand, wires are laid in the same direction as the lay of core strand wires, around the periphery of a core strand. The side strands are laid in a direction opposite to the lay of the core strand wires so as to form the wire rope. The side strands preferably have a smaller pitch multiple than a pitch multiple of the wire rope. The ratio between a diameter of the side strands and a diameter of the core strand is preferably about 1.3 to about 1.8. The pitch multiple of strands is preferably about 5 to about 8 and the pitch multiple of the wire rope is preferably about 8 to about 10. Both the core strand and the side strands preferably have shaped wires, having a flattened surface, at an outermost ply.
摘要:
Bei einem durch eine Seilscheibe angetriebenen Treibseil, mit einem Seilkern (19) aus in konzentrischen Litzenlagen (14, 16) miteinander parallelverseilten tragenden Aramidfaserlitzen (9, 10, 11), wird vorgeschlagen, die Litzen (12) einer äussersten Litzenlage (12) im Gegenschlag mit dem Seilkern (19) zu verseilen. Durch die Gegenschlagverseilung heben sich die unter Last in den Litzenlagen (14, 16, 21) entstehenden Drehmomente gegenseitig auf; es wird ein drehungsneutraler Seilaufbau erreicht. Ein elastischer Zwischenmantel (20) zwischen den gegenschlagverseilten Litzenlagen (16, 21) dient als Abriebschutz für die Litzen (10, 11, 12) und einer grossflächigen Drehmomentenübertragung im Aufzugsseil (1).
摘要:
Hybrid rope (20) comprising a core element (22) containing high modulus fibers surrounded by at least one outer layer (24) containing wirelike metallic members (26). The core element (22) is coated (23) with a thermoplastic polyurethane or a copolyester elastomer, preferably the copolyester elastomer containing soft blocks in the range of 10 to 70 wt %. The coated material (23) on the inner core element (22) is inhibited to be pressed out in-between the wirelike members (26) of the hybrid rope (20) and the hybrid rope (20) has decreased elongation and diameter reduction after being in use.
摘要:
A method of installing and maintaining a submerged water current power generation system 101, 201, 401, 801, said method comprising disposing one or more submerged induction type power generation units 104, 201, 405, 406, equipped with propellers 105, 206,407, 501 capable of rotating around drive shafts in response to water currents in communication with one or more submerged flotation chambers and rotating said power generation units so that the propellers are disposed approximately parallel to the water surface.
摘要:
A mooring means for securing a floating or submerged device to the floor a body of water, said means comprising a poly rope, a first layer of which is wound in a clockwise direction, and a second layer of which is wound in a counterclockwise direction.
摘要:
Zur Erkennung der Ablegereife von geschlagenen Kunstfaserseilen (1), vorzugsweise Aramidfaserseilen, ist durch mindestens zwei im Gegenschlag miteinander verseilte Litzenlagen (7,14) ein drehneutraler Seilaufbau aus tragenden Faserlitzen (2,3,4,5) vorgesehen, indem sich die verseilungsbedingten Drehmomente der Litzenlagen (7,14) gegenseitig ausgleichen. Bei durch Verschleiss oder Fremdeinwirkung bedingten ungleichen Schwächungen der Litzenlagen (7,14) fängt das Seil (1) unter Last im laufenden Betrieb an sich um seine Längsachse (20) zu drehen. Das Drehen des Seils (1) kann mittels verschiederer Massnahmen sichtbar gemacht werden. Bei einer Ausführungsart dient eine in Seillängsrichtung vorgesehene Markierung (11) zur visuellen Erkennung der Ablegereife anhand der Seildrehung.
摘要:
The invention relates to a rope (1) made of textile fibre material, which is characterized by the combination of features whereby a) the load-bearing fibre material of the rope (1) consists of high-strength synthetic fibres, b) the rope (1) is in the form of a spiral strand rope, c) the rope (1) has at least two, preferably at least three concentric load-bearing strand layers (3, 4, 5), d) the individual strands (7, 8, 9, 10, 11, 12) of the strand layers (3, 4, 5) are movable with respect to one another, e) the degree of filling of the rope (1) with textile fibre material is ≥ 75%, preferably ≥ 85%, and f) the outermost ply (5, 6) of the rope has a coefficient of friction μ with respect to steel of μ