A kind of safe and reliable anti-skidding hanging ladder
Technical field
The present invention relates to a kind of cat ladder, especially relate to a kind of safe and reliable anti-skidding hanging ladder.
Background technology
At present, in power system, the body of rod, hook, leg is usually included for detecting the hanging ladder of cable, during use, hang on cable, after body of rod lower end fixes, staff steps on support and swashes, but existing leg is typically all a circular bar, when staff climbs, it is very easy to skid, although have security protection rope and hang on hanging ladder, will not be in peril of one's life, but staff still can be bumped to leg, thus injured, go back the biggest strength of membership dues to return on hanging ladder, bring the biggest inconvenience to staff.
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 safe and reliable anti-skidding hanging ladder, solve existing hanging ladder, when staff climbs, when stepping on leg, easily skid, waste the substantial amounts of working time, it is also possible to cause the defect that staff is injured.
nullThe purpose of the present invention is achieved through the following technical solutions: a kind of safe and reliable anti-skidding hanging ladder,Including a cylindrical body of rod,The a plurality of leg being arranged on body of rod perisporium,It is arranged on the hook of body of rod upper end,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 to be positioned in the connecting rod of the body of rod,The body of rod is provided with the guide groove of bearing of trend at lower hook,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 promote 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,It is provided with push rod on the lower end perisporium of the body of rod,Push rod connects connecting rod,For promoting connecting rod,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,The opposing setting on the perisporium of the body of rod of two row's legs,And the arrangement of this two rows leg transpostion interval,A link it is both provided with on described leg,The upper end of leg arranges a groove,A square rubber blanket it is provided with in this groove,It is covered with on rubber blanket and has salient point,The upper end of leg is additionally provided with a protection arch band,Described protection arch band is a semicircular ring,Its two ends are all fixed on leg,Protection arch band surrounds one with leg and closes semicircle,That closes semicircle is axially perpendicular to leg.When using in this device, staff pulls push rod so that connecting rod moves down, so that lower hook with rise to the bait separately, reveal import, then import alignment cable, cable is entered in hook, and staff promotes push rod again so that move in connecting rod, promote and move on lower hook, contact with rising to the bait, complete to close space, cable is i.e. positioned at closing space, at this moment, how cable rocks, and 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, it is i.e. 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, i.e. first leg on the left side is such as 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, during constantly climbing, constantly change link.
Rubber blanket is also set up on leg; staff steps down on leg; the probability skidded i.e. is substantially reduced, but also arranges protection arch band, when staff climbs; foot is inserted in closing semicircle; when skidding in underfooting, tiptoe can catch on protection arch band naturally, and such foot will not slip away leg; staff is unlikely to fall out, thus protects staff.
Further, the above-mentioned body of rod is provided with sliding tray at push rod, 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 push rod i.e. arrives at the draw-in groove of upper end, and push rod i.e. enters this draw-in groove, firm connecting rod and lower hook, it is ensured that security performance.
Further, above-mentioned protection arch band uses rubber to make, and when staff's foot is sliding, instep can contact suddenly protection arch band, if protection arch band is rigid, staff can ache very much, and protection arch band has elasticity, then make the staff will not too pain.
Further, it is provided with, on above-mentioned protection arch band medial wall, the anti-skidding raised line extended along protection arch band circumferencial direction, when trampling leg, when occurring skidding, the instep of staff can catch on protection arch band, pull the foot of staff so that staff is unlikely to fall out, but at this moment, there is provided pulling force is the frictional force between protection arch band and instep, so arranging anti-skidding raised line, strengthening frictional force, the foot of the staff exempted from catches on protection arch band and also can skid off.
The invention has the beneficial effects as follows:
(1) rubber blanket is set on leg end face, this rubber blanket can arrange salient point, add the frictional force of staff's sole and leg, decrease skidding probability;
(2) also set up protection arch band on leg end face, when skidding occurs in staff, protection arch band can be caught on by instep so that staff is unlikely to fall out, thus protects staff;
(3) protection arch band is made for rubber so that after staff is skidded, and unexpected crash arch band, because elastic property, the instep of staff is unlikely to ache very much;
(4) inwall of protection arch band arranges anti-skidding raised line, it is to avoid foot catches on protection arch band and also can skid off.
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 leg in embodiment 1;
Fig. 5 be in Fig. 4 A to sectional view;
Fig. 6 is the structural representation of embodiment 2;
Fig. 7 is the push rod fractionation schematic diagram with connecting rod of embodiment 2;
Fig. 8 is the push rod connection diagram with connecting rod of embodiment 2;
Fig. 9 is the sectional view of protection arch band in embodiment 3;
In figure, the 1-body of rod, 2-leg, 3-links up with, 4-link, 5-closes space, 6-push rod, 7-rubber blanket, 8-protection arch band, 101-guide groove, 102-sliding tray, 103-major trough, 104-draw-in groove, 201-groove, 301-rises to the bait, hook under 302-, 303-connecting rod, 304-import, 305-circumferential groove, 701-salient point, 801-closes semicircle 801, the anti-skidding raised line of 802-.
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 1-5,A kind of safe and reliable anti-skidding hanging 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 hook 3 includes rising 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 to be positioned in the connecting rod 303 of 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,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 promote 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,It is provided with push rod 6 on the lower end perisporium of the body of rod 1,Push rod 6 connects connecting rod 303,For promoting connecting rod 303,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,The opposing setting on the perisporium of the body of rod 1 of two row's legs 2,And the arrangement of this two rows leg 2 transpostion interval,A link 4 it is both provided with on described leg 2,The upper end of leg 2 arranges a groove 201,A square rubber blanket 7 it is provided with in this groove 201,It is covered with on rubber blanket 7 and has salient point 701,The upper end of leg 2 is additionally provided with a protection arch band 8,Described protection arch band 8 is a semicircular ring,Its two ends are all fixed on leg 2,Protection arch band 8 surrounds one with leg 2 and closes semicircle 801,That closes semicircle 801 is axially perpendicular to leg 2.When using in this device, staff pulls push rod 6 so that connecting rod 303 moves down, so that lower hook 302 is opened with rising to the bait 301 points, revealing import 304, then import 304 is directed at cable, cable is entered in hook, and staff promotes push rod 6 again so that move in connecting rod 303, promote and move on lower hook 302,301 contact with rising to the bait, complete to close space 5, cable is i.e. positioned at closing space 5, at this moment, how cable rocks, and all cannot disengage in hook.
nullAfter 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,It is i.e. 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,I.e. first leg on the left side is such as 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,During constantly climbing,Constantly change link 4.
Rubber blanket 7 is also set up on leg 2; staff steps down on leg 2; the probability skidded i.e. is substantially reduced, but also arranges protection arch band 8, when staff climbs; foot is inserted in closing semicircle 801; when skidding in underfooting, tiptoe can catch on protection arch band 8 naturally, and such foot will not slip away leg 2; staff is unlikely to fall out, thus protects staff.
Further, above-mentioned protection arch band 8 employing rubber are made, and when staff's foot is sliding, instep can contact suddenly protection arch band 8, if protection arch is rigid with 8, staff can ache very much, and protection arch carries 8 to have elasticity, then make the staff will not too pain.
[embodiment 2]
Such as Fig. 6, the structure of the present embodiment is basically identical with embodiment 1, difference is that the body of rod 1 is provided with sliding tray 102 at push rod 6, 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 push rod 6 i.e. arrives at the draw-in groove 104 of upper end, and push rod i.e. enters this draw-in groove 104, firm 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. 7,8, 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.
[embodiment 3]
Such as Fig. 9, the structure of the present embodiment is basically identical with embodiment 2, difference is that protection arch is with being provided with the anti-skidding raised line 802 extended with 8 circumferencial directions along protection arch on 8 medial walls, when trampling leg, when occurring skidding, the instep of staff can catch on protection arch band 8, pull the foot of staff, staff is made to be unlikely to fall out, but at this moment, it is provided that pulling force is that protection is encircleed with the frictional force between 8 and instep, so arranging anti-skidding raised line 802, strengthening frictional force, the foot of the staff exempted from catches on protection arch band 8 and also can skid off.