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  • Tension Dead-end for OPGW

Tension Dead-end for OPGW

  • Product Model: OPGW-T

Product Description:

OPGW tension clamp is intended to turn angle, continue, and connect terminal. Helical aluminum clad steel rod, with great tensile strength and no concentrated stress, may play a role to protect cable and assist reducing vibration. The whole set of cable tension hardware contains: outer preformed rod (dead end), structural reinforcing rod, and matching connection hardware. Clamp holding strength is no less than 95% of rated tensile strength, easy and quick to install, reduce construction cost.

Function:

The hardware is mainly intended to bear axial stress and distribute uniformly radial stress, so as to offer a safe and reliable holding strength on the premise of not damaging cable (mostly used in turning angle, continuing pole and terminal pole)

Parameter:

Configure model by cable diameter, RTS

 

Installation of Tension Dead-end for Large Span OPGW

Components:  anchor shackle, extension link, thimble clevis, outer structural reinforcing rod (dead end) and structural reinforcing rod

opgw tension dead-en installation view-1

 Installation Steps:

 opgw tension dead-en installation view-2

1.   Assemble Anchor shackle, extension link, and thimble clevis together;

 opgw tension dead-en installation view-3

2.   Fix Anchor shackle at a hanging point;

 opgw tension dead-en installation view-4

3.   Pull one leg of outer structural reinforcing rod (dead end) through thimble clevis;

 opgw tension dead-en installation view-5

4.   Parallel cable with both legs of outer structural reinforcing rod (dead end), make a crossover mark on cable according to installation color mark on outer structural reinforcing rod (dead end);

 opgw tension dead-en installation view-6

5.   Make the structural reinforcing rod’s end color mark aligned to the crossover mark made in step 4. leaving its short-end toward iron tower, wind structural reinforcing rod for about 2 pitches from installation mark;

  opgw tension dead-en installation view-7

6.   Align the center color mark of the 2nd structural reinforcing rod, and wind around cable levelly for about 2 pitches without overlap;

 opgw tension dead-en installation view-8

7.   As former step, wind the 3rd and 4th structural reinforcing rod levelly onto cable for about 2 pitches without overlap;

  opgw tension dead-en installation view-9

8.   For convenience, tear the part of about 20-30cm from the end of structural reinforcing rod into small subsets winding;

  opgw tension dead-en installation view-10

9.   Wind its end levelly by hand (not use tools to prevent from damaging cable);

 opgw tension dead-en installation view-11

10.   Align the two color marks of outer structural reinforcing rod (dead end) and structural reinforcing rod,  wind one leg of outer structural reinforcing rod (dead end) for 2-3 pitches from the installation color mark;

  opgw tension dead-en installation view-12

11.   As former step, wind another end for 2-3 pitches in the same way, and while wind the outer structural reinforcing rod (dead end) until about 20-30cm from its end;

 opgw tension dead-en installation view-13

12.   For convenience, tear the 20-30cm part from the end of structural reinforcing rod into smaller subsets winding;

 opgw tension dead-en installation view-14

13.   Connect the pliers-clamp of ground wire, screw up;

 opgw tension dead-en installation view-15

14.   Wear with ground terminal, lock nut up;

 opgw tension dead-en installation view-16

15.   Installation is over.

  

Instructions:

 1.   Select tension clamp model according to cable’s outer diameter, rated tensile strength (or span), etc.;

 2.   In moving and installation, it shall be avoided from extrusion, severe impact, and deformation;  

 3.   As matching component, it shall not be changed randomly, and not be used repeatedly, it may be disassembled and reassembled only once, which is a permanent assemble, shall not be disassembled once again;  

 4.   In winding process, to operate by hand is required, any tool shan’t be intended to avoid from damaging cable;  

 5.   If in doubt, please contact us.  

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