A kind of safety ladder
Technical field
The present invention relates to a kind of cat ladder, especially relate to a kind of safety ladder.
Background technology
At present, in power system, the hanging ladder for detecting cable is usually and includes the body of rod, hook, leg, during use, hang on cable, after body of rod lower end fixes, staff steps on support and swashes, but when staff climbs, it is easy to rock cable, probably occur that cable breaks off relations, at this moment, namely body of rod upper end does not support, and only lower end is fixed, the safety aligning the staff of climbing causes very big threat, it is easy to cause casualty accident.
Summary of the invention
It is an object of the invention to overcome the shortcoming and defect of above-mentioned prior art, it is provided that a kind of safety ladder, solve existing hanging ladder, in use, when rocking cable, it is easy to occur breaking off relations, it is possible to can cause casualties accident.
nullThe purpose of the present invention is achieved through the following technical solutions: a kind of safety ladder,Including a cylindrical body of rod,It is arranged on a plurality of leg on body of rod perisporium,It is arranged on the hook of body of rod upper end,Described leg is all perpendicular to the body of rod,Leg is divided into two rows,Orientation is all along the bearing of trend of the body of rod,Two row's leg opposing settings on the perisporium of the body of rod,And this two rows leg transpostion interval arrangement,Described leg is both provided with a link,Described hook includes rising to the bait and lower hook,Described rising to the bait is fixed on body of rod termination,Lower hook is positioned at lower section of rising to the bait,Lower hook is fixedly attached in the connecting rod being positioned at the body of rod,The body of rod is provided with the guide groove of bearing of trend at lower hook place,Connecting rod extends to the other end of the body of rod from one end of the body of rod,Connecting rod can be moved along bearing of trend in the body of rod,Thus promoting lower hook to move along guide groove,Lower hook is movable to laminating and rises to the bait,At this moment,Rise to the bait、Lower hook constitutes one and closes space,The lower end perisporium of the body of rod is provided with push rod,Push rod connects connecting rod,For promoting connecting rod.nullWhen this device uses,Staff pulls push rod,Connecting rod is moved down,So that lower hook separates with rising to the bait,Reveal import,Then import alignment cable,Cable is entered in hook,Staff promotes push rod again,Make connecting rod is moved,Promote and lower hook moves,Contact with rising to the bait,Complete to close space,Namely cable is positioned at closing space,At this moment,How cable rocks,All cannot disengage in hook,After body of rod lower end fixes,Staff is upwards climbed by leg,The setting of leg is that two rows are arranged dorsad,Namely it is parallel,When staff is positioned at before the body of rod,One row's leg is positioned at the left side,Another row's leg is positioned at the right,Two row's legs or transpostion interval arrangement,Namely first leg on the left side is as being positioned at body of rod bottom,First leg on the right is higher than first left leg,Second leg on the left side is higher than first leg in the right,Second right leg is again higher than second left leg,The like,And differ height should be consistent,And meet organization of human body,Staff is facilitated to climb,Staff is first leg that left foot first steps on the left side,Then right crus of diaphragm steps on first leg in the right,Then alternately climb,In climbing,Safety buckle is buckled on link,In the process constantly climbed,Constantly change link.
Further, the above-mentioned body of rod is provided with sliding tray at push rod place, push rod is perpendicular to the body of rod, and with connecting rod for being rotatably connected, sliding tray includes the major trough along body of rod bearing of trend, and two draw-in grooves laying respectively at major trough two ends, draw-in groove extends along body of rod circumferencial direction, and push rod moves in major trough, then promote connecting rod motion, when push rod is positioned at arbitrary draw-in groove, connecting rod then cannot move.Push rod promotes connecting rod to make lower hook and composition of rising to the bait closes space, and at this moment namely push rod arrives the draw-in groove place of upper end, and namely push rod enters this draw-in groove, consolidates connecting rod and lower hook, it is ensured that security performance.
The invention has the beneficial effects as follows: in hook rise to the bait and lower hook is separable and close, during separation, namely have an import, in rising to the bait for the entrance of cable, after closing, namely cable will not disengage in hook, it is ensured that safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is that embodiment 1 links up with structural representation when closing;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the structural representation of embodiment 2;
Fig. 5 is that the A of Fig. 4 is to enlarged diagram;
Fig. 6 is the fractionation schematic diagram of push rod and connecting rod;
Fig. 7 is the connection diagram of push rod and connecting rod;
In figure, the 1-body of rod, 2-leg, 3-links up with, and 4-link, 5-closes space, 6-push rod, 101-guide groove, 102-sliding tray, 103-major trough, 104-draw-in groove, and 301-rises to the bait, hook under 302-, 303-connecting rod, 304-import, 305-circumferential groove.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but the structure of the present invention is not limited only to following example:
[embodiment 1]
nullAs Figure 1-3,A kind of safety ladder,Including a cylindrical body of rod 1,It is arranged on a plurality of leg 2 on the body of rod 1 perisporium,It is arranged on the hook 3 of the body of rod 1 upper end,Described leg 2 is all perpendicular to the body of rod 1,Leg 2 is divided into two rows,Orientation is all along the bearing of trend of the body of rod 1,Two row's leg 2 opposing settings on the perisporium of the body of rod 1,And this two rows leg 2 transpostion interval arrangement,Described leg 2 is both provided with a link 4,Described hook 3 includes rise to the bait 301 and lower hook 302,Described rising to the bait 301 is fixed on the body of rod 1 termination,Lower hook 302 is positioned at rises to the bait below 301,Lower hook 302 is fixedly attached in the connecting rod 303 being positioned at the body of rod 1,The body of rod 1 is provided with the guide groove 101 of bearing of trend at lower hook 302 place,Connecting rod 303 extends to the other end of the body of rod 1 from one end of the body of rod 1,Connecting rod 303 can be moved along bearing of trend in the body of rod 1,Thus promoting lower hook 302 to move along guide groove 101,Lower hook 302 is movable to laminating and rises to the bait 301,At this moment,Rise to the bait 301、Lower hook 302 constitutes one and closes space 5,The lower end perisporium of the body of rod 1 is provided with push rod 6,Push rod 6 connects connecting rod 303,For promoting connecting rod 303.nullWhen this device uses,Staff pulls push rod 6,Connecting rod 303 is moved down,So that lower hook 302 is opened with rising to the bait 301 points,Reveal import 304,Then import 304 is directed at cable,Cable is entered in hook,Staff promotes push rod 6 again,Make connecting rod 303 is moved,Promote and lower hook 302 moves,301 contact with rising to the bait,Complete to close space 5,Namely cable is positioned at closing space 5,At this moment,How cable rocks,All cannot disengage in hook,After the body of rod 1 lower end fixes,Staff is upwards climbed by leg 2,The setting of leg 2 is that two rows are arranged dorsad,Namely it is parallel,When staff is positioned at before the body of rod,One row's leg 2 is positioned at the left side,Another row's leg 2 is positioned at the right,Two row's legs 2 or transpostion interval arrangement,Namely first leg on the left side is as being positioned at the body of rod 1 bottom,First leg on the right is higher than first left leg,Second leg on the left side is higher than first leg in the right,Second right leg is again higher than second left leg,The like,And differ height should be consistent,And meet organization of human body,Staff is facilitated to climb,Staff is first leg that left foot first steps on the left side,Then right crus of diaphragm steps on first leg in the right,Then alternately climb,In climbing,Safety buckle is buckled on link 4,In the process constantly climbed,Constantly change link 4.
[embodiment 2]
As Fig. 4,5, the structure of the present embodiment is basically identical with embodiment 1, it is different in that the body of rod 1 is provided with sliding tray 102 at push rod 6 place, push rod 6 is perpendicular to the body of rod 1, and with connecting rod 303 for being rotatably connected, sliding tray 102 includes the major trough 103 along the body of rod 1 bearing of trend, and two draw-in grooves 104 laying respectively at major trough 103 two ends, draw-in groove 104 extends along the body of rod 1 circumferencial direction, push rod 6 moves in major trough 103, then promoting connecting rod 303 to move, when push rod 6 is positioned at arbitrary draw-in groove 104, connecting rod 303 then cannot move.Push rod 6 promotes connecting rod 303 to make lower hook 302 and 301 compositions of rising to the bait close space 5, and at this moment namely push rod 6 arrives draw-in groove 104 place of upper end, and namely push rod enters this draw-in groove 104, consolidates connecting rod 303 and lower hook 302, it is ensured that security performance.
Push rod 6 and the concrete annexation of connecting rod 303 be as Fig. 6,7, connecting rod arranges circumferential groove 305, push rod 6 embeds this circumferential groove 305 so that push rod 6 can rotate around circumferential groove 305, and when push rod 6 moves up and down, connecting rod 303 also can be driven to move.