1, in the construction arrangement, each tower must have 2 ~ 3 people and have the ability to operate the next bottle string. It is necessary to equip each tower with a qualified walkie-talkie in order to find problems or contact the commander in time during construction. Keep the signal open, but don’t talk and laugh in the intercom, which will affect the calls at other operating points or change channels privately.
2. It is necessary for each foundation of the small pulley to be suspended. The sliding bearing can be hung on the linear tower, and the corner tension tower needs to be hung with the rolling bearing small pulley. After suspension, experiments should be carried out, and the four wheels should roll freely. If there is any problem, it should be adjusted, repaired or replaced in time.
3. Pay attention to the weather, especially the wind direction, before spreading the guide rope, so as to determine which side-slip car the guide rope should be put in first, so as to prevent the two ropes from twisting after spreading, especially the first rope should be tightened quickly to prevent the two ropes from twisting.
4. The breaking force of ultra-high molecular weight polyethylene fiber (UHMwPE) rope traction is small, and it is easy to cause rope breakage when pulling a long construction rope. This problem has occurred in other projects, so it is necessary to select a double drum grinding or a small traction station in a place less than 4㎞. When all the traction ropes in the construction section are connected, it is necessary to pull the traction ropes in the whole section at the traction airport, which is strictly implemented.
5. In the process of traction, it is necessary for the personnel on the tower to pay attention to the work of UHMwPE rope, especially the trip and the collision with obstacles, so as to stop immediately or maintain the safety work once the tension occurs.
6. Wrap the bobbin frame around the recovered UHMwPE rope with cloth and other materials, so as to avoid direct contact between UHMwPE rope and iron objects to prevent damage to Dinima rope. During construction, application, storage and transportation, it is not allowed to cut the UHMwPE rope privately, so it is necessary to strengthen storage and application.
7. If the sheath is found to be damaged during use, surround it with plastic tape. If the inner Dinimar wire is found to be broken, it should be cut off and reconnected after being judged by the commander or relevant personnel. The reconnection method should be used, and a small thread made of Dinimar wire should be made, and a few stitches should be sewn by winding it several times in succession, and then it should be surrounded with plastic tape outside. It is not allowed to fasten directly.
8. It is necessary to choose pit-bending connectors for the connection between ropes and between ropes and guide ropes to facilitate the construction. During construction, it is not allowed to press UHMwPE rope with small rope or beat UHMwPE rope with hard instrument. In addition, in the process of traction, the loose grinding should be stopped, and only forward traction is allowed, otherwise, the sheath will be separated from the ultra-high molecular weight polyethylene fiber (UHMwPE) rope inside, and a lantern will be formed, which is easy to break.
9, in the process of traction, to slow down, and adhere to a certain tension, lead rope pulling ultra-high molecular weight polyethylene fiber (UHMwPE) rope should not exceed 500㎏, ultra-high molecular weight polyethylene fiber (UHMwPE) rope pulling guide rope should not exceed 1000㎏, it is not appropriate to put the bottom block before grinding, if necessary, should be away from grinding.
10. When the traction guide rope is about to arrive at the pay-off pulley, stop immediately, turn the small pulley over, put the guide rope into the groove of the big pulley, and do not allow the guide rope to walk over the small pulley. The small pulley can only take the Dinima rope bending coupler. If it is too small, it is necessary to pay attention to the inquiry and slow down the traction.
11. When pulling and guiding the rope with UHMwPE rope, be sure to pay attention to the twisting strength of Dinima rope, and make good measures. It is necessary to be flexible and reliable when rotating the coupling.
12. It is necessary to deal with obstacles along the line according to the requirements of stringing construction work instructions. This method is only to spread the guide rope out, especially for live lines. It is necessary to make good measures, and it cannot replace the over-the-wire frame, so attention should be paid to it.
13. The UHMwPE rope should be inspected before leasing, especially in the process of application. Because of the slow spreading speed, it is necessary to assign special personnel to inspect it. If there is any doubt or problem, it should be handled in time. After using it, it is also necessary to inspect it when returning it to lease.
Post time: Jul-21-2023