A bearing type electric power fitting with internal stress visual window

By using load-bearing power fittings with internal stress viewing windows, and utilizing double-position load-bearing arms and a visible stress indicator mechanism, the problem of uneven cable stress is solved, achieving highly reliable fixing and balanced stress, thus improving the installation accuracy and safety of the power system.

CN122659752APending Publication Date: 2026-08-28NINGBO QIYUAN METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202610531555.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-21
Publication Date
2026-08-28

AI Technical Summary

Technical Problem

Existing power fittings lack stress visualization when supported at multiple points, resulting in uneven stress on cables, insufficient fixing stiffness and reliability, and difficulty in meeting high load-bearing requirements.

Method used

The load-bearing power fittings with internal stress viewing windows are adopted. Through double-position load-bearing arms, a visual stress indicator mechanism and a one-way locking structure, the cable stress state can be intuitively monitored and balanced load is achieved. The design includes a combination of load-bearing frame assembly, stress indicator seat assembly, locking arm assembly and locking assembly.

Benefits of technology

It enables intuitive monitoring of cable stress, ensuring uniform stress distribution when cables are supported at multiple points, improving fixation reliability and service life, and guaranteeing the safe operation of the power system.

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Abstract

The application discloses a force-bearing type electric power fitting with an internal stress visual window, which comprises a force-bearing frame assembly, two groups of stress indicating seat assemblies are slidably arranged in the force-bearing frame assembly, and double-position force-bearing arm assemblies are arranged at the top of the two groups of stress indicating seat assemblies. The double-position force-bearing arm assemblies are used for double-position force-bearing cable dragging frames. The cable applies downward pressure to the first force-bearing arm and the second force-bearing arm through the force-bearing dragging plates. The downward pressure overcomes the elastic force of the pushing spring. At this time, the two groups of stress indicating seat assemblies slide to the two ends of the square cross arm respectively. In the sliding process, the stress conditions of the two force-bearing dragging plates are observed through the indication of the visual arrows on the stress indicating lines. When the cable is erected, the laying angle or position of the cable is adjusted, the stress on the two force-bearing dragging plates is made as much as possible, the stress on the two ends of the force-bearing piece is made as much as possible, and thus the safety of the force-bearing piece in use is ensured.
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