Hazards Of Preformed Suspension Clamp Wear - China

1 - Cause analysis According to the survey, the occurrence of overhead lightning lines off the line of the lot is in windy areas.

Experience check due to the wear of the preformed suspension clamp caused by the lightning line off the line for two reasons: (1)because of the role of wind.

Preformed suspension clamp between the hull and hanging plate relative movement, hanging plate around the hull hanging axis for a small angle of the swing.

As the pegboard is thin, its swinging action is like a blade cutting down and groove marks appear, resulting in the hull hanging axis of the force cross-section becoming thin and small.

When the slot marks reach a certain level, in the lightning line itself under the weight, the hull of the line clip from the preformed suspension clamp fall, the lightning line off the line grounding accident;

(2) overhanging line clip is too large or the lightning line is not pressed.

Lightning line and line clip hull in the role of the wind, the relative motion, resulting in the wear and tear of the lightning line.

In the wind or a strong lightning flow, scraping or burning lightning line.

Thus causing the lightning line from the dangling line to clip off, occurring with the above similar accidents.

2 - Preventive measures (1) the hull of the pendant line clip hanging axis on the hanging plate is fixed through the pin.

There is a flat shim inside the pin, the shim covers the connection part of the hanging shaft.

Without opening the spacer, it is difficult to find the wear of the hull pendant shaft.

Therefore, when checking the wear of the pendant shaft, the pin must be removed and the shim opened.

At the same time, the inspection should also pay attention to doing a good job to prevent lightning line fall temporary measures.

(2)in order to prevent the wear and tear of the lightning line, the lightning line should be selected according to the cross-section to the size of the preformed suspension clamp.

In the construction of the lightning line in strict accordance with the requirements of the process the clamps of the aluminum wrapping and the lightning line pressure tight.

(3) in the line design, only the fixture load requirements, while other strength parameters are not required to test.

Therefore, in the stronger wind, wind deflection areas, line design, construction selection of preformed suspension clamp, should consider picking wear-resistant line clip (such as a variety of alloy class) and have anti-wind deflection components of the preformed suspension clamp.

(4) the usual line maintenance work, especially the annual inspection of the line overhaul should be carried out strictly in accordance with the rules and regulations.

All types of preformed suspension clamps should be opened according to the provisions of the inspection.

The inspection of the line preformed suspension clamp is a part of the line maintenance work often neglected.

Strengthening the construction process and material selection at the same time should also strengthen the usual maintenance management.

The susceptibility of the pole section of the pendant clip wear set up a ledger, shortening the clip inspection cycle.

In the daily inspection to increase the overhanging line clip inspection project.

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Company Contact:

• Posted By: Shijiazhuang Huaneng Electric Power Fitting Co.,Ltd.

• Phone: 13630823632

• Address: No.189,Hengshan Street, Shijiazhuang High-tech Zone, Hebei Province, China., Shijiazhuang , China , China

• Email:

• Business Description: Shijiazhuang Huaneng Electric Power Fitting Co.
  
  Ltd. is a new company with abilities of R&D, manufacture and trade.
  
  The company locates in No.
  
  189, Hengshan Street, Shijiazhuang High-tech Development Zone, Hebei Province, China, covering the area 26,593 square meters.
  
  Shijiazhuang Huaneng Electric Power Fitting Co.
  
  Ltd. specially manufactures preformed helical fittings which are widely used in transmission line.
  
  Currently our company owns the big ability to produce lots of varied preformed helical fitting in one year, among them OPGW and ADSS fittings for optical cables, together with fittings for conductor line and earth-wire line which is developed recently passed the tests in the national Electric Power Construction Research Institute and Shanghai Electric Cable Research Institute, and passed identification of the expert group of Hebei Economic and Trade committee.
  
  Our company was named as a high-tech enterprise by Hebei Science and Technique Bureau.
  
  From the beginning of establishment, we pay more attention to the quality of products, strengthened the quality conception of employees, and build up a perfect quality-control system, so we have passed the qualification of ISO 9001: 2008 international quality system identification.
  
  In our company there are enough experts and advanced equipments for production and examinations, Our products have been sold to many localities in nation and overseas, and been used in lines of different voltage degree.
  
  Suffering the rigorous test in every kind of weather conditional, our products still work very well without any trouble occurrence.
  
  In order to offer the customer a exact and effective plan of reduce-vibration , Our company established a vibration-laboratory with the help of transmission line experts and the vibrate experts of the national power company.
  
  We can test the power characteristic and tired function of vibration damper, and test its reduce-vibration valuation in the the OPGW and ADSS optical cables, consequently providing a scientific trial basis for design of reduce-vibration in the projects.
  
  Our quality guideline: Regarding customer as our focus with attention, persisting in innovating in techniques, strengthening and perfecting quality-control system, providing the high-tech product for electric power developments.
  
  Our quantity target: The eligibility rate in products amounts to 100%; The customer approval attains 95%.
  
  Welcome each expert to visit our company and supervise our works.