DB-0770-170 (DB-7) Power Adjustment Board

Unlike fixed-specification connection hardware, the biggest advantage of the DB-0770-170 is its flexibility and adjustability. During line erection, conductor sag is rarely perfectly achieved in one go; slight deviations are inevitable. Double-split conductors are also prone to uneven tension. In such cases, there's no need to disassemble the entire set of hardware and rewire; simply changing the connecting holes on this adjustment board allows for minor adjustments to the total length of the suspended wire, easily correcting line deviations and balancing conductor tension. This simple and efficient adjustment method saves considerable time in high-altitude operations and significantly reduces safety risks associated with high-altitude construction.

07: Nominal Destructive Load 70kN

70-170: Ny elanelana afovoany amin'ireo lavaka dimy dia 70, 95, 120, 145, ary 170mm tsirairay avy.

Industry Abbreviation: DB-7 Adjustment Board

DB-0770-170 (DB-7) Power Adjustment Board Structural Features: Fan-shaped five-hole integrated steel plate with 5 adjustable length settings, offering a wide adjustment range; Hot-dip galvanized layer for rust prevention and corrosion resistance for long-term outdoor high-altitude use; Hole edge distance and plate thickness meet national standard strength requirements for power fittings, providing ample load safety redundancy; Simple installation; Length fine-tuning can be achieved simply by changing hole positions during high-altitude operations.

Fampiharana Scenarios

Fanitsiana Sag Line Transmission: Mampifandray tady insulator, manova ny halavan'ny tariby mihantona amin'ny alàlan'ny fanovana ny toeran'ny lavaka samihafa, ary manitsy ny sag conductor;

Double-Split Conductor Leveling: Adjusts the tension of the two conductors at the tension string to eliminate unbalanced tension;

Voltage azo ampiharina: 35kV / 110kV fifindran'ny sy fizarana tsipika, tady fitaovana substation;

Fitaovana mifanentana: Peratra mihantona miendrika U-, takelaka mihantona zoro havanana{1}}, fametahana fihenjanana, ary insulateur ampiasaina.

In engineering construction, details often determine the overall project quality and subsequent operation and maintenance costs. The seemingly insignificant adjustment board is crucial for ensuring line flatness, balanced tension, and stable operation. With its stable load-bearing capacity, wide adjustment range, and reliable corrosion resistance, the DB-0770-170 adjustment board is suitable for most conventional power line projects. Whether for new line construction, maintenance of old lines, sag fine-tuning, or conductor leveling, it is a highly cost-effective and preferred accessory. For this reason, it has always been an indispensable basic hardware in power infrastructure and line operation and maintenance projects, and is highly recognized by construction teams in the industry.