An eddy current energy-dissipating spacer is mainly composed of a spacer frame, a conductor clamp and energy-dissipating elements. The eddy current energy-dissipating spacer not only provides the function of an ordinary spacer, but also reduces the vibration of the transmission lines; and at the same time, can effectively reduce the vibration of the transmission lines, especially the torsional vibration by adopting the eddy current and viscoelastic material for energy dissipation; improves the eddy current strength by adjusting the gear radius ratio, thus increasing the damping force; can adjust the damping parameters by adjusting the magnetic field strength of the permanent magnet; can produce long-term stable vibration reduction effect by adopting the permanent magnet to provide continuous magnetic field without additional external energy input; can effectively avoid the magnetic flux leakage of magnetic circuits by adopting the magnetic material.

An eddy current energy-dissipating spacer is mainly composed of a spacer frame, a conductor clamp and energy-dissipating elements. The eddy current energy-dissipating spacer not only provides the function of an ordinary spacer, but also reduces the vibration of the transmission lines; and at the same time, can effectively reduce the vibration of the transmission lines, especially the torsional vibration by adopting the eddy current and viscoelastic material for energy dissipation; improves the eddy current strength by adjusting the gear radius ratio, thus increasing the damping force; can adjust the damping parameters by adjusting the magnetic field strength of the permanent magnet; can produce long-term stable vibration reduction effect by adopting the permanent magnet to provide continuous magnetic field without additional external energy input; can effectively avoid the magnetic flux leakage of magnetic circuits by adopting the magnetic material.

A complete set of tension backup device for carbon fiber wire, consisting of a backup tension device, a performed armor rod, a parallel hanging plate, an adapter base, a wire drawing device, a support damper clamp, a U-shaped pulling ring, a triangular hanging plate, and a tensioning device. The backup tension device is a backup strain clamp in a wedge-shaped structure. The support damper clamps are provided on carbon fiber split wires between an original strain clamp and the backup tension device, and arranged at intervals of 3-4 meters.

The present disclosure is related to providing an overhead transmission line spacer which can suppress galloping caused by strong wind in the three-conductor transmission line formed of three overhead transmission lines. An overhead transmission line spacer comprising: three clamps configured to individually hold three overhead transmission lines; and a frame body including support members and a frame portion, and configured to maintain separations between the three overhead transmission lines via the three clamps, the clamps being attached to the support members, and the frame portion maintaining separations between the support members, wherein two out of the three clamps are movable clamps, each of which is configured to hold one of the overhead transmission lines in a rotatable manner about the one of the overhead transmission lines, and one out of the three clamps is a fixed clamp configured to hold one of the overhead transmission lines without allowing rotation.

A complete set of tension backup device for carbon fiber wire, consisting of a backup tension device, a performed armor rod, a parallel hanging plate, an adapter base, a wire drawing device, a support damper clamp, a U-shaped pulling ring, a triangular hanging plate, and a tensioning device. The backup tension device is a backup strain clamp in a wedge-shaped structure. The support damper clamps are provided on carbon fiber split wires between an original strain clamp and the backup tension device, and arranged at intervals of 3-4 meters.

A clamp for a spacer-damper includes a first jaw and a second jaw connected to the first jaw. The first jaw has a first clamping surface and a first aperture. The first aperture retains the fastener in an initial position and in a second position spaced latterly from said initial position. The second jaw has a second clamping surface and an open-ended second aperture. The second aperture receives the fastener in the second position. The first jaw may also include a keeper surface for receiving the fastener in an initial position, a keeper pocket for receiving the fastener in a second position and a keeper protrusion is positioned between the keeper surface and the keeper pocket.

A method of spacing conductors includes positioning a conductor between a first clamping body and a second clamping body. A fastener received by the first and second clamping bodies is rotated in a first direction causing a first set of teeth associated with the fastener to engage a second set of teeth associated with the first clamping body to move the first clamping body toward the conductor.

A space damper for 4-cable bundles of overhead power transmission lines is disclosed, comprising a framework (10) wherefrom four support arms (20a-20b) depart, at the distal ends of which there are provided clamps for fastening electric cables, said arms (20a-20c) being constrained to the framework (10) through respective dampening hinges (30a-30c), wherein the spacer damper is configured so that the vertical, natural-mode frequencies thereof are higher than the corresponding horizontal, natural-mode frequencies thereof.

A motion control device for an overhead utility transmission line includes a phase spacer and first and second spacer dampers connected to the phase spacer. The first spacer damper separates conductors of a first phase and the second spacer damper separates conductors of a second phase. The phase spacer separates the conductors of the first and second phases.

Devices and systems for supporting and spacing aerial cables of high voltage of 69 kV or above from a support cable are disclosed. The disclosed systems and devices may include a top piece configured to engage the support cable, a first arm, a second arm, and a third arm, each having a distal end and a proximal end, wherein the proximal ends of the first, second, and third arms are connected to the top piece. The devices and systems may also include a cable fastening system located at each of the distal ends of the first, second, and third arms.