The grounding clamp is mainly used for the grounding of the OPGW optical cable to provide a path for short-circuit current. The grounding clamp consists of a grounding wire, a set of aluminum alloy parallel groove clamps (connecting OPGW optical cable and grounding wire) and a terminal (connecting to the iron tower). Usually, one terminal tower and linear tower are equipped, and two connecting towers are equipped.
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The OPGW grounding clamp consists of a section of aluminum alloy wire, an aluminum alloy clamp (connected to the OPGW optical cable), and all-aluminum terminal blocks (connected to the main material of the iron tower).
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Suspension string fittings include U-shaped screws, suspension clamps, pre-twisted wire protection lines, grounding drain wires and necessary connection fittings. The mechanical strength of the hanging string connection fittings is 70kN. The suspension clamp is a pre-twisted wire type, and the clamp body is made of aluminum alloy. The clamp body should be equipped with an EPDM rubber cushioning elastic pad. The allowable value of the drape angle at the outlet of the OPGW single drape clamp is not less than 15 degrees.
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Applications 1.Tensile clamps for OPGW optical cables are mainly used to connect optical cables with a breaking strength of 160kN and below to tensile poles, corner poles and terminal poles. The complete set of OPGW optical cable strain clamp includes outer pre-twisted wires, inner pre-twisted wires, supporting connectors and grounding wires.
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The second damper can be used for OPGW tension tower vibration dampers if necessary. Tension assembly is used for OPGW cable route's fixing and anchor shackling. Usually be installed on the terminal tower, tight tension tower and intersection angle tower.OPGW tension tower vibration dampers installation image:
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Composition: inner stranded wire, outer stranded wire, embedded ring, PD type hanging plate, U type hanging ring. Purpose: To withstand full tension. Features: a.The outer stranded wire is directly connected to the pole tower through the connecting fittings such as the embedded ring, and bears the line load. b. The inner twisted wire protects the ADSS optical cable.Technical specification: -Design for quick and easy installation-Minimizing time consuming civil works -Provide a future proof aerial network-Temperature: -10°C up to +70°CSn Model No.
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FR anti-vibration hammer, optical cable anti-vibration hammer, pre-twisted anti-vibration hardware Product usage: Reduce the vibration amplitude of the wire. Applicable conductor: steel core aluminum stranded wire Process: Hot-dip galvanizingFeatures: 1.Tuning fork structure: The anti-vibration hammer adopts a special tuning fork structure, which can generate four resonant frequencies, which greatly covers the vibration frequency range of the cable in reality. 2.Real materials: The hammer head is gray cast iron, painted.
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OPGW Optical Cable Tension Fitting StringFeatures:a. Even stress distribution, no stress concentration point, can well protect the optical cable.b. Under the premise of not exceeding the lateral compression strength of the optical cable, it has a greater grip on the optical cable and can withstand greater tension.c. The grip strength of the optical cable is not less than: 95% of the ultimate tensile strength (UTS) of the optical cable, which is completely suitable for the needs of optical cable erection. Schematic diagram of product composition:Technical specification sheet
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ADSS/OPGW anti-vibration hammer protective wire is a protective wire used to suppress the vibration of conductors and ground wires on overhead power lines.
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ADSS spiral vibration rods is mainly used on overhead lines to eliminate or reduce the vibration of wires and optical cables under the action of laminar wind to clamp the damage to the fittings and the outer sheath of the optical cable. The anti-vibration whip is not only suitable for ADSS optical cables, but also suitable for OPGW optical cables and power transmission cables.Structural features: 1. The structure is simple, the installation is convenient, the maintenance is easy, and the installation position is not limited. 2. The spiral vibration isolator includ
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Optical cable clamps FTTH optical fiber accessories 201 stainless steel + nylon material, customized various optical cable overhead fittings, FTTH optical fiber into the home, optical fiber into the community accessories, etc.The fiber is squeezed through the sheet and the sheet, and the fiber is squeezed in the middle to complete the wiring function. The main function is to prevent the wire body from bending and protect the wire body, and the locking position can be moved quickly and simply. It is easy to use, put the optical fiber into the slot, install the pull piece, and tighten
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The stainless steel hoop produced by our company is usually made of C201, 304 material ,with good toughness, fire-proof, waterproof and rust-proof, abrasion resistance, corrosion resistance, and durability.The slitting is complete, polished, trimmed to remove burrs, smooth and not hurting hands, safe and reliable.Features:1. Anti-corrosion, anti-oxidation,2. Long service life, high tensile strength,3. Flexible and quick installation, etc.4. Uses: Traffic signs, advertising signs, cables, surveillance and other different areas. TECHNICAL COMPOSITION (%)CSiMnPSNiCrC
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The WS-type bowl head hanging plate produced by our company has the characteristics of oxidation resistance, corrosion resistance, and durability. It is suitable for the connection between the insulator string and the fittings, the line clamp and the insulator string, and the lightning protection wire and the pole tower. The main body is made of malleable cast iron, hot-dip galvanized, oxidation-resistant and corrosion-resistant.
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Direct supply of stainless steel S-type fixing parts, suitable for installation of optical fiber broadband FTTH accessoriesThe fiber is squeezed through the sheet and the sheet, and the fiber is squeezed in the middle to complete the wiring function. The main function is to prevent the wire body from bending and protect the wire body, and the locking position can be moved quickly and simply. It is easy to use, put the optical fiber into the slot, install the pull piece, and tighten it.For self-riding butterfly optical cable 2*5mmDimension: 210×15mmDrawing:Installation image:
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Power Fittings FFH Optical Cable Shockproof Hammer Product usage: Reduce the vibration amplitude of the wire. Applicable conductor: steel core aluminum stranded wire Process: alloy aluminum Features: 1.Tuning fork structure: The anti-vibration hammer adopts a special tuning fork structure, which can generate four resonant frequencies, which greatly covers the vibration frequency range of the cable in reality. 2.Real materials: The hammer head is gray cast iron, painted.
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The wire clamp is composed of a rubber clamp block, a pre-twisted wire and a cast aluminum casing. 1. Enhance the rigidity of the cable hanging point and increase the radius of curvature. The single-line clamp can meet the 30° steering angle, and the double-line clamp can meet the 60° steering angle. 2. It can be ensured that the cable is not subject to large bending stress near the outlet of the wire clamp, so as to avoid local mechanical damage causing strand break or wire breakage.
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Composition: inner stranded wire, outer stranded wire, embedded ring, PD type hanging plate, U type hanging ring, etc. Purpose: To withstand full tension. Connect the optical fiber composite ground wire to the terminal, tensile strength (rotation angle greater than 25°) or the optical cable connection pole. Features: a. The stress distribution is uniform and there is no stress concentration point, which can protect the optical cable well. b.
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The protective wire can avoid damage caused by the aluminum clamp of the anti-vibration hammer directly clamped on the 0PGW optical cable, and has a good protective effect on the optical cable. The factors that cause vibration include span, tension, wind speed, wind direction, ground wire and cable structure size, etc. Features: a. Using a unique design, its basic principle is to dynamically absorb energy, its frequency coverage is 6Hz-150Hz, and there are four resonance frequencies in this range, which can meet the needs of various types of OPGW, and has a very effective v
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Preformed inner protection line rods:The material is aluminum-clad steel wire, which is the same material as all the aluminum-clad steel wires of OPPC cable. The inner wall of the protector rods is glued with a layer of gold steel sand through a high-strength polymer water-soluble environmentally friendly adhesive to increase the friction with the optical cable. The rods is preformed into four sub-bundles during production, which is convenient for quick installation.
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The socket clevis W-7A is the connection fitting in the power fittings. In the transmission line, the Wantou Hanging Board W-7A plays the role of suspending the insulator string and the suspension clamp, and bears greater working stress. Its safety performance is very important to the transmission line. The Wantou Hanging Board is in the construction of the power grid.
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The galvanized steel strand is made of galvanized material and is composed of multiple steel wires. It has strong anti-rust, anti-rust ability, corrosion resistance, strong load-bearing, and good toughness. After multiple tensile tests, each steel wire rope has no breaks and no loose strands. The surface is smooth, burr-free, high tensile strength, and small bending radius.
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Features: 1. It has all the functions of a single suspension clamp.2.
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Anti-corona ring for ADSS is made of Al. Alloy. 1.Select the required model according to the diameter of the optical cable. 2.Each set of strain clamp is equipped with an anti-corona ring.The ADSS optical cable erected on the same pole with the high-voltage overhead transmission line is prone to electrical corrosion at the outlet of the fittings. An anti-corona ring can be installed at the outlet of the ADSS optical cable fittings to suppress the electrical corrosion.
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1. The twisting direction of the steel stranded wire and the matching preformed guy grip needs to be the same, and the tensile strength of the galvanized steel wire is 1370N/mm2-1470N/mm2. 2. The white corundum used to increase the friction between the pre-twisted wire and the surface should meet the requirements of GB/T 2479.3. The surface of the preformed guy grip should be smooth and free of defects such as cracks, folds and scars.4. The size and tolerance of the pre-twisted wire The size of the pre-twisted wire should meet the requirements of the design d
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