Strain Clamp (bolt Type）

Tensioning wire clamps refer to the fittings used to fix wires, withstand the tension of the wires, and hang the wires onto tensioning strings or poles.

According to the differences in structure and installation conditions, tensile wire clamps can be roughly divided into two categories. The first category: The tensile clamp must withstand the entire tensile force of the conductor or lightning protection wire. The grip force of the clamp should not be less than 90% of the rated tensile force of the installed conductor or lightning protection wire, but it is not used as a conductor. This type of wire clamp can be removed after the wires are installed and used separately. This type of wire clamp includes bolt-type tensile wire clamps and wedge-type tensile wire clamps, etc. The second type: Tensile wire clamps not only bear the entire tensile force of conductors or lightning protection wires but also serve as conductors. Therefore, once this type of wire clamp is installed, it cannot be disassembled again and is also called a dead wire clamp. As it is a conductor, the installation of the wire clamp must be carried out carefully in accordance with the relevant installation operation procedures.

 

The main functions of bolt-type tensile wire clamps include:

Youdaoplaceholder0 Stable conductor ‌ : In power grid lines, conductors need to maintain a specific tension and position to ensure the efficient transmission of electrical energy. The bolted tensioning wire clamp can firmly hold the wire, enabling it to withstand various tensile forces. Whether it is the tensile force generated due to its own weight or wind force during daily operation, or the huge tension changes faced in extreme weather conditions such as strong winds and ice cover, the wire clamp can effectively resist them, thereby ensuring the stability of the wire and preventing it from displacing or slipping. Maintain the integrity and security of grid lines ‌.

Youdaoplaceholder0 Electrical connection ‌ : Tensile clamps ensure good electrical contact between wires and utility poles, reduce resistance and power loss, and improve the efficiency of power transmission ‌.

Youdaoplaceholder0 Connection and branch connection ‌ : During the laying and expansion of power grids, bolt-type tensile clamps can reliably connect conductors together, ensuring that current can be conducted smoothly between conductors and avoiding problems such as power loss, heating and even open circuit caused by poor connection, thus guaranteeing the transmission efficiency and reliability of the power grid ‌.

Youdaoplaceholder0 Convenient for installation and maintenance ‌ : Its structure is relatively simple. Installers only need to follow the standard operating procedures and tighten the bolts with the corresponding tools to complete the installation work. This can effectively improve construction efficiency and reduce construction time and labor costs in large-scale power grid construction projects. In the subsequent line maintenance and repair work, if there is a problem with the wire clamp or conductor, it can also be removed, inspected and replaced more conveniently, reduces the difficulty and workload of maintenance ‌.

 

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