The rotating connector is a device used to clamp the unfolded wire or ground wire after the wire-laying operation or the wire-tightening operation is completed, so as to complete related operations on the line. It plays an important role in many fields, especially in the field of cable installation.
Cable clamps include rotating connectors, ground rotating connectors, optical cable clamps, and wire rope clamps according to their uses. According to their different structural forms, they are divided into parallel moving rotating connectors, double-bolt tightening rotating connectors, wedge-shaped rotating connectors, peach-shaped block rolling rotating connectors, etc.
It consists of an upper jaw, a lower jaw, a connecting plate, a pull plate, a pull ring, a pull ring sliding shaft, three hinge pins and a pin shaft.
During operation, the wire is placed between the upper and lower jaws. When the pull ring is pulled, the sliding shaft of the pull ring slides to the right in the guide groove on the lower jaw, driving the pull plate to move to the right. The hinge pin of the splint is connected to the lower jaw and cannot move, so the upper jaw is forced to press down and move parallel to the right along the pin axis to compress the wire. The greater the pulling force on the pull ring, the greater the downward pressure on the upper clamping mouth to ensure that the conductor is tightly clamped by the upper and lower clamping mouths.
Depending on the materials used, there are aluminum alloy pivoting connector and steel wire rope clamps. The former is light in weight and does not damage the surface of the aluminum conductor, so it is used to clamp steel-core aluminum stranded wires or aluminum stranded wires. The latter is mainly used to clamp aluminum wires. Steel strand clamps can also be used to clamp steel-core aluminum stranded wires or aluminum stranded wires as long as the clamping mouth length and groove shape are suitable. However, they are heavier and are inconvenient to use at construction sites.
The wires, wire ropes or optical cables are clamped tightly through bolts through the body with arcuate grooves and multiple pressure plates with arcuate grooves. To protect the wires, the arc-shaped grooves are lined with aluminum linings. Multi-piece bolt type rotating connector is composed of tie rod, pin, aluminum gasket, main body, connecting plate, tightening nut, ring bolt, etc.
The pressure plates are independently arranged in multiple arrangements. When in use, after clamping the wire, the tightening nut is tightened according to the specified tightening torque to compress the wire. If it is too tight, the wire will be crushed.
There are two types of bolt-type wire rope clamps: round strand wire rope clamps and anti-twist wire rope clamps. Except for the different groove shapes, the rest of the structures are the same. It is a square or hexagonal bolt-type wire rope clamp. It consists of a main body, a pressure plate, a ring bolt, a compression nut, and a pull rod. When in use, open the upper connecting plate, hold the wire rope, and then press the wire rope tightly through the compression bolt.
1. First prepare the wire with the specified diameter, insert it into the tensioner hole of the rotating connector, and fix it.
2. Fix the remaining end to the wiring pole, then open the jaws to clamp the wire, and manually turn the ratchet wrench. As the wrench continues to rotate, the tension wheel will gradually clamp the wire.
3. After completion, the wires can be connected or fixed, then move the pawl to gradually disengage from the ratchet wheel, and then take out the wire.
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