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What Are The Structural Classifications Of Tension Clamps

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Parallel Groove Clamp According to the structural type and installation method, it can be mainly divided into four types: compression type tension clamp, bolt type tension clamp, wedge type tension clamp, pre-twisted tension clamp.

Compression type tension clamp is generally composed of aluminum (aluminum alloy) tube and steel anchor. The steel anchor is used to connect and anchor the steel core of steel core aluminum stranded wire. The aluminum (aluminum alloy) tube is used to connect the aluminum (aluminum alloy) wire part of the conductor. The pressure causes the aluminum (aluminum alloy) tube and the steel anchor to produce plastic deformation, so that the clamp and the conductor are combined into a whole. Compression type tension clamp used for ground wire is generally directly composed of steel anchor. The installation of compression type tension clamp is generally divided into two ways: hydraulic pressure and explosive pressure. The steel anchor of the tension clamp is made by forging.

Bolt type tension clamp uses the friction effect generated by the vertical pressure of U-shaped screw and the wavy wire groove of the clamp to fix the conductor. The body and pressure plate of this type of clamp are made of malleable cast iron. Suitable for installing aluminum stranded wire, copper stranded wire and steel core aluminum stranded wire of small and medium cross-section.

The wedge-type tension clamp uses the splitting force of the wedge to lock the conductor (ground wire) in the clamp. That is, the steel strand is bent into the same shape as the wedge and installed in the clamp. When the steel strand is stressed, the wedge and the steel strand slide along the wall of the clamp barrel toward the clamp outlet at the same time, becoming tighter and tighter and gradually locked. The clamp body and wedge are made of malleable cast iron. It is used to install steel strands, tighten ground wires and the wires of the wire tower. It is convenient to install and remove.

The pre-twisted tension clamp consists of metal pre-twisted wires and matching accessories to tension the conductor (ground wire) on the tension tower.

What Are The Structural Classifications Of Tension Clamps

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