Portable cable well lid opening tool

Abstract

The invention provides a portable cable well lid opening tool. The portable cable well lid opening tool comprises a working arm composed of a fixed arm and a movable arm. The fixed arm and the movable arm are stacked forwards and backwards and hinged through a pin shaft in through holes in the upper ends, the portions, deviating from the central axis, of through holes in the lower ends of the fixed arm and the movable arm stretch to the two sides to form a fixed chute and a movable chute, a sliding shaft penetrates through the fixed chute and the movable chute, the sliding shaft is connected with the lower end of a linkage rod, the lower ends of the fixed arm and the movable arm are provided with working hooks with the stretching directions opposite to those of the fixed chute and the movable chute, the upper end of the fixed arm is fixedly connected with two parallel connecting arms of a bearing handle, sliding holes are oppositely formed in the two connecting arms, the two ends of a cross bar are provided with sliding faces matched with the sliding holes, the cross bar is positioned between the two connecting arms through the sliding holes and the sliding faces, the upper end of the linkage rod is connected with the cross bar, positioning nuts are arranged at the outer ends of the two sliding faces, reset springs are arranged at the two ends of each connecting arm respectively, and a control handle is arranged on the cross bar. Various cable well lids can be efficiently opened in a labor-saving mode.

Description

technical field [0001] The invention relates to a manhole cover opener, in particular to a portable cable manhole cover opener which is flexible in operation, labor-saving and securely clamped with the manhole cover. Background technique [0002] With the construction and development of the city, people's awareness of the city beautification image project is constantly improving, more and more underground pipelines have replaced the power overhead lines, and the number of cable shaft channels has increased accordingly. In the cable shaft channel, daily line inspection, maintenance, and overhaul require the staff to open the cable shaft cover and enter the cable shaft to start work. At present, due to the needs of urban construction, the well cover is closely combined with the road surface, which brings inconvenience to the opening of the manhole cover; at the same time, due to the lack of special tools for opening the manhole cover on the market, iron brazing, iron hooks and...

AI Technical Summary

Problems solved by technology

At present, due to the needs of urban construction, the well cover is closely combined with the road surface, which brings inconvenience to the opening of the manhole cover; at the same time, due to the lack of special tools for opening the manhole cover on the market, iron brazing, iron hooks and other tools are usually used to open the manhole cover in daily work. Not only time-consuming and labor-intensive, but also easy to damage the manhole cover and tools

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