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① bar: also known as the intermediate rod or pole. Using th

Edit:admin     Date:09-11-2017

① bar: also known as the intermediate rod or pole. Using the straight part of the wire, mainly bear the weight wire and side wind, so the top is rather simple in structure, usually without cable.

② tension rod: in order to limit the scope of the accident of rod or bolt, you want the straight part of the circuit was divided into several segments, two sides of the tension rod. Tension rod in addition to bear the weight wire and side wind, but also the stall along the wire tension caused by the poor road rally. To balance this force, usually in the front and back of the tube with a cable.

③ corner bar: where lines change direction. Corner rod of structure with line corner different and different: corner in 15 degrees within Shi, can still with original cross Dan bear corner Heli; corner in 15 degrees ~30 degrees Shi, available two root cross Dan, in corner Heli of anti-direction loaded a root pull; corner in 30 degrees ~45 degrees Shi, except with double cross Dan outside, sides wire application jumper connection, in wire pull opposition to the loaded a root pull; corner in 45 degrees ~90 degrees Shi, with two on cross Dan constitute double, sides wire with jumper connection, While at the wire tension side to the tube with a cable.

Black-branch: located on the branch line junction, should be installed in the branch cable to balance regional tension. Branching structure can be divided into t and cross branches in two ways: t-branch is the double cross arm adds a new layer below the crossarm, tension leads to branch line cross branch at and below the crossarm crossarm located two at 90 degrees to each other, and then leads to the branch line.

⑤ Terminal bar: located in the start and end points of the line, under wire pulling in one direction, to balance this tension, need to install cable in the opposite direction of the wire.

 

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