Climbing device for hot-line work

Abstract

The invention relates to a climbing device for hot-line work. The climbing device for the hot-line work comprises two pulley supports and a pulley hook; pulley supports comprise front rods, rear rods,sway rods connecting with the front rods and the rear rods, and first pulley mechanisms; the first pulley mechanisms comprise cable pulleys between the front rods and the rear rods, first bearings arranged on cable pulley shafts, and first bearing mounting structures; the first bearing mounting structures comprise first bearing storing cavities and first compressed springs, and the lower ends ofthe first compressed springs and outer rings of the first bearings are fixed for connecting the first bearings; the upper portions of first guide seams are provided with first spiral stopping grooves,and the locations of rope pulling pulley shafts, corresponding to the first spiral stopping grooves are provided with first spiral stopping parts matched with the first spiral stopping grooves. According to the climbing device for the hot-line work, when staff clamp through a rope ladder, the first compressed springs are compressed, the first spiral stopping parts are upwards clamped into the spiral stopping grooves, the cable pulleys are no longer rotating, the cable pulleys overlapped on the cables stop rotating, and the location of a ladder head is fixed to facilitate the staff to work.

Description

technical field [0001] The invention belongs to the field of electric equipment, in particular to a climbing device for live work. Background technique [0002] Chinese patent document ZL201320806144.7 discloses a climbing device for live work, including a ladder head and a soft ladder. The ladder head includes two pulley brackets, a fixed cross bar, a movable cross bar, a pulley hook and a pull rope. At both ends of the fixed cross bar, the movable cross bar is located under the fixed cross bar, and the two ends of the fixed cross bar are respectively set on two pulley brackets. The movable cross bar is connected with the fixed cross bar through a spring, and the pulley hook is located on the fixed cross bar. Above, one end of the stay rope is fixed in the center of the movable cross bar, and the other end of the stay rope passes through the fixed cross bar and the pulley hook successively, and the stay rope can drive the movable cross bar to move. The top of the pulley br...

AI Technical Summary

Problems solved by technology

[0005] Second, after the ladder head is hung on the cable, in the process of climbing on the net, the slope generated by the sagging of the cable itself and the movement during the climbing process will cause the ladder head to move on the cable, which will not only deviate from the desired position, and greatly increased the risk of the staff during the climbing process. After the cable is hung on the ladder head, since the pulleys are all in contact with the cable, it is very easy to slide on the cable, causing the ladder head to be unstable and unable to work normally. Operation

[0006] Third, the process of hanging the ladder head on the cable is very difficult. The reason is that in actual operation, it is very difficult to fix the pull rope just in the middle of the movable cross bar, which makes the ladder head easy to tilt left and right. In the absence of a suitable fixed structure in the front and rear directions, the ladder head is prone to pitching and swinging. During the lifting process, the ladder head will rotate under the action of the torque release of the pull rope itself, resulting in the ladder head not being able to rise to the expected position at all. At the cable, even if you are lucky enough to reach the bottom of the cable, but because the connecting rod above the cable pulley is set horizontally, the result is that the connecting rod withstands the cable and cannot continue to rise

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