AUTOMATIC DEVICE FOR FROST-REMOVAL FROM OVERHEAD ELECTRICAL LINES
The invention relates to an automatic device for frost-removal from overhead electrical lines. According to the invention, the device consists of a metal cylindrical piece (1), a helical spring (2), some returning dynamometric spurs (3, 3"), the maximum torque of which is set according to the d...
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Zusammenfassung: | The invention relates to an automatic device for frost-removal from overhead electrical lines. According to the invention, the device consists of a metal cylindrical piece (1), a helical spring (2), some returning dynamometric spurs (3, 3"), the maximum torque of which is set according to the diameter of the conductor of the electrical line (6) to be subjected to frost-removal, a mobile piece (4) and a guide system (12). When the frost layer reaches a preset weight, the dynamometric spurs (3, 3") realese the mobile piece (4) which strikes a fixed piece (8), the impact between them leading to the occurrence of a mechanical impulse, which is transmitted to the conductor of the electrical line (6), which results in the removal of frost from it.
Invenţia se referă la un dispozitiv automat de deschiciurare a liniilor electrice aeriene. Dispozitivul, conform invenţiei, este constituit dintr-o piesă cilindrică (1) metalică, un arc elicoidal (2), nişte pinteni dinamometrici cu revenire (3, 3"), al căror cuplu maxim este setat în funcţie de diametrul conductorului liniei electrice (6) ce urmează a fi deschiciurat, o piesă mobilă (4) şi un sistem de ghidaj (12). În momentul în care stratul de chiciură atinge o greutate stabilită, pintenii dinamometrici (3, 3") eliberează piesa mobilă (4) care loveşte o piesă fixă (8), impactul dintre acestea ducând la apariţia unui impuls mecanic, ce se transmite conductorului liniei electrice (6), conducând la desprinderea gheţii de pe acesta. |
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