CN211777155U

CN211777155U - Special folding ladder of power maintenance

Info

Publication number: CN211777155U
Application number: CN201922370772.5U
Authority: CN
Inventors: 柳惠平
Original assignee: Suzhou Linghu Electric Power Installation Engineering Co ltd
Current assignee: Suzhou Linghu Electric Power Installation Engineering Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-10-27
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a special folding ladder of power maintenance, including first folding ladder, the equal fixedly connected with fixed block in both sides at first folding ladder top, the outside fixedly connected with removable pin of fixed block, the surface cover of removable pin is equipped with the regulation turning block, the folding ladder of bottom fixedly connected with second of adjusting the turning block, the outside fixedly connected with chuck of adjusting the turning block, first draw-in groove has been seted up in the outside of chuck. The utility model discloses a set up chuck, first draw-in groove, limiting plate, box, first spring, fly leaf, prevent shaking canceling release mechanical system, pull rod, draw the piece, chucking stop gear and first card post and mutually support, reached the fixed spacing advantage of folding ladder, make folding ladder when using, can fix spacingly to the angle after it is folding, prevent that the displacement from appearing in the folding ladder, can effectually prevent that maintenance personal from falling down simultaneously, reduced certain potential safety hazard.

Description

Special folding ladder of power maintenance

Technical Field

The utility model relates to a folding ladder technical field specifically is a special folding ladder of power maintenance.

Background

The folding ladder is a civil engineering article, assists workers to fall down on a construction site, and is convenient to transfer as a movable stair is opened when folded, and is folded after being used up.

At the power maintenance in-process, the workman need use the special folding ladder of power maintenance, and the special folding ladder of current power maintenance has following shortcoming: the special folding ladder of current power maintenance does not have fixed spacing function, leads to the folding ladder when using, and the angle after it is folding can't be fixed, because maintenance personal's weight, the easy aversion that appears of folding ladder during the use causes maintenance personal to fall down easily, has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a special folding ladder of power maintenance possesses the fixed spacing advantage to the folding ladder, has solved current special folding ladder of power maintenance and has not fixed spacing function, leads to the folding ladder when using, and the angle after it is folding can't be fixed, because maintenance personal's weight, the easy aversion that appears of folding ladder during the use, causes the problem that maintenance personal fell down easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a folding ladder special for power maintenance comprises a first folding ladder, wherein both sides of the top of the first folding ladder are fixedly connected with fixed blocks, the outer side of each fixed block is fixedly connected with a movable pin, the surface of each movable pin is sleeved with an adjusting rotating block, the bottom of each adjusting rotating block is fixedly connected with a second folding ladder, the outer side of each adjusting rotating block is fixedly connected with a chuck, the outer side of each chuck is provided with a first clamping groove, the outer end of each movable pin penetrates through the left side of each chuck and is fixedly connected with a limiting plate, the outer side of each limiting plate is fixedly connected with a box body, the top and the bottom of one side of the inner side of each box body are fixedly connected with a first spring, the inner side of each first spring is fixedly connected with a movable plate, the top and the bottom of each movable plate are respectively provided with an anti-sway reset mechanism, the center of the outer side of each movable plate is fixedly connected with a, the top in the box outside is provided with chucking stop gear, the inboard top of fly leaf and the equal fixedly connected with first card post in bottom, the one end that the fly leaf was kept away from to first card post runs through to the inner chamber of first draw-in groove.

Preferably, the anti-shaking resetting mechanism comprises a sliding sleeve, a sliding rod is connected to the inner cavity of the sliding sleeve in a sliding manner, connecting blocks are fixedly connected to the two ends of the sliding rod, and a second spring is sleeved on the surface of the sliding rod.

Preferably, the inner side of the sliding sleeve is fixedly connected with the outer side of the movable plate, the outer side of the connecting block is fixedly connected with the inner wall of the box body, and two ends of the second spring are fixedly connected with the inner side of the connecting block and the outer side of the sliding sleeve respectively.

Preferably, chucking stop gear includes the loading board, the second draw-in groove has all been seted up to the both sides at drawing a top, the inner chamber cover of loading board is equipped with second card post, the top fixedly connected with pull ring of second card post, the bottom fixedly connected with stopper on second card post surface, the surface cover of second card post is equipped with the third spring.

Preferably, the inner side of the bearing plate is fixedly connected with the top of the outer side of the box body, the bottom of the second clamping column penetrates through the inner cavity of the second clamping groove, and two ends of the third spring are fixedly connected with the bottom of the bearing plate and the top of the limiting block respectively.

(III) advantageous effects

Compared with the prior art, the utility model provides a special folding ladder of power maintenance possesses following beneficial effect:

1. the utility model discloses a set up chuck, first draw-in groove, limiting plate, box, first spring, fly leaf, prevent shaking canceling release mechanical system, pull rod, draw the piece, chucking stop gear and first card post and mutually support, reached the fixed spacing advantage of folding ladder, make folding ladder when using, can fix spacingly to the angle after it is folding, prevent that the displacement from appearing in the folding ladder, can effectually prevent that maintenance personal from falling down simultaneously, reduced certain potential safety hazard.

2. The utility model discloses a set up first draw-in groove, chuck and first card post, play the spacing effect of chucking to adjusting the turning block, accomplish the back at first folding ladder and the folding ladder angle of second, can effectually fix spacingly to first folding ladder and the folding ladder of second, through setting up the limiting plate, play spacing effect to adjusting the turning block, prevent to adjust the turning block and appear breaking away from the problem of loose pin, through setting up first spring, play the effect that the elasticity resets to the fly leaf, prevent shaking canceling release mechanical system through setting up, play the effect that the elasticity resets to the fly leaf, increase the stability of fly leaf when removing simultaneously, through setting up chucking stop gear, play the spacing effect of chucking to the pull rod, prevent that the problem of displacement appears after the pull rod is accomplished when using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a left side view structural section of the present invention.

In the figure: 1. a first folding ladder; 2. a fixed block; 3. a movable pin; 4. adjusting the rotating block; 5. a second folding ladder; 6. a chuck; 7. a first card slot; 8. a limiting plate; 9. a box body; 10. a first spring; 11. a movable plate; 12. an anti-shake reset mechanism; 121. a sliding sleeve; 122. a slide bar; 123. connecting blocks; 124. a second spring; 13. a pull rod; 14. pulling the block; 15. a clamping and limiting mechanism; 151. a carrier plate; 152. a second card slot; 153. a second clamping column; 154. a pull ring; 155. a limiting block; 156. a third spring; 16. a first clamping column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

All the components of the present invention are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1-3, a folding ladder special for power maintenance comprises a first folding ladder 1, wherein both sides of the top of the first folding ladder 1 are fixedly connected with a fixed block 2, the outer side of the fixed block 2 is fixedly connected with a movable pin 3, the surface of the movable pin 3 is sleeved with an adjusting rotating block 4, the bottom of the adjusting rotating block 4 is fixedly connected with a second folding ladder 5, the outer side of the adjusting rotating block 4 is fixedly connected with a chuck 6, the outer side of the chuck 6 is provided with a first clamping groove 7, the outer end of the movable pin 3 penetrates to the left side of the chuck 6 and is fixedly connected with a limiting plate 8, the outer side of the limiting plate 8 is fixedly connected with a box body 9, the top and the bottom of one side of the inner side of the box body 9 are fixedly connected with a first spring 10, the inner side of the first spring 10 is fixedly connected with a movable plate 11, the top and the bottom of the movable, one end of the pull rod 13, which is far away from the movable plate 11, penetrates to the outside of the box body 9 and is fixedly connected with a pull block 14, the top of the outside of the box body 9 is provided with a clamping limiting mechanism 15, the top and the bottom of the inside of the movable plate 11 are both fixedly connected with a first clamping column 16, one end of the first clamping column 16, which is far away from the movable plate 11, penetrates to an inner cavity of the first clamping groove 7, the anti-sway resetting mechanism 12 comprises a sliding sleeve 121, the inner cavity of the sliding sleeve 121 is slidably connected with a sliding rod 122, both ends of the sliding rod 122 are both fixedly connected with connecting blocks 123, the surface of the sliding rod 122 is sleeved with a second spring 124, the inside of the sliding sleeve 121 is fixedly connected with the outside of the movable plate 11, the outside of the connecting blocks 123 is fixedly connected with the inner wall of the box body 9, both ends of the second spring 124 are respectively fixedly connected, the inner cavity of the bearing plate 151 is sleeved with a second clamping column 153, the top of the second clamping column 153 is fixedly connected with a pull ring 154, the bottom of the surface of the second clamping column 153 is fixedly connected with a limit block 155, the surface of the second clamping column 153 is sleeved with a third spring 156, the inner side of the bearing plate 151 is fixedly connected with the top of the outer side of the box body 9, the bottom of the second clamping column 153 penetrates through the inner cavity of the second clamping groove 152, two ends of the third spring 156 are respectively fixedly connected with the bottom of the bearing plate 151 and the top of the limit block 155, the adjusting rotating block 4 is clamped and limited by arranging the first clamping groove 7, the chuck 6 and the first clamping column 16, the adjusting rotating block 1 and the second folding ladder 5 can be effectively fixed and limited after the angle adjusting of the first folding ladder 1 and the second folding ladder 5 is completed, the adjusting rotating block 4 is limited by arranging the limit plate 8, and the adjusting rotating block 4 is prevented from being separated from the movable pin 3, the first spring 10 is arranged to exert an elastic force reset function on the movable plate 11, and the anti-shaking reset mechanism 12 is arranged, the elastic reset function is performed on the movable plate 11, the stability of the movable plate 11 during moving is increased, and by arranging the clamping and limiting mechanism 15, plays a role in clamping and limiting the pull rod 13, prevents the problem of displacement after the pull rod 13 is used, the clamping chuck 6, the first clamping groove 7, the limiting plate 8, the box body 9, the first spring 10, the movable plate 11, the anti-shaking reset mechanism 12, the pull rod 13, the pull block 14, the clamping limiting mechanism 15 and the first clamping column 16 are matched with each other, so that the advantage of fixing and limiting the folding ladder is achieved, when the folding ladder is used, can fix spacingly to the angle after it is folding, prevent that the folding ladder from shifting, can effectually prevent that maintenance personal from falling down simultaneously, reduce certain potential safety hazard.

When in use, a worker firstly pulls the pull ring 154, the pull ring 154 moves to drive the second clamping column 153 to leave the inner cavity of the outer second clamping groove 152, meanwhile, the second clamping column 153 moves to drive the limit block 155 to extrude towards the third spring 156, then, the worker pulls the pull block 14, the pull block 14 moves to drive the pull rod 13 to start moving, the pull rod 13 moves to drive the movable plate 11 to start moving, the movable plate 11 moves to drive the sliding sleeve 121 to slide on the surface of the sliding rod 122, simultaneously, the sliding sleeve 121 moves to extrude towards the second spring 124, simultaneously, the movable plate 11 moves to drive the first clamping column 16 to leave the inner cavity of the first clamping groove 7, then, the worker loosens the pull ring 154, the limit block 155 and the second clamping column 153 reset through the elasticity of the third spring 156, the second clamping column 153 resets to clamp in the inner cavity of the inner second clamping groove 152, then, the worker adjusts the angle between the first folding ladder 1 and the second folding ladder 5, the pull ring 154 moves and drives the second card post 153 to leave the inner chamber of outside second draw-in groove 152, simultaneously the second card post 153 moves and drives the stopper 155 to extrude to third spring 156, simultaneously through the elasticity of second spring 124 and first spring 10, make fly leaf 11 and first card post 16 reset, first card post 16 reset back card go into corresponding first draw-in groove 7 inner chamber can, it is spacing to adjust turning block 4 and second folding ladder 5 and carry out the chucking, prevent that second folding ladder 5 from appearing shifting, can fix spacingly to its angle after folding, prevent that folding ladder from appearing shifting, simultaneously can effectually prevent that maintenance personal from falling down, certain potential safety hazard has been reduced, thereby reached the fixed spacing advantage of folding ladder.

The standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the description of the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, and machines, parts and equipment adopt conventional models in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a special folding ladder of power maintenance, includes first folding ladder (1), its characterized in that: the folding ladder comprises a first folding ladder body (1), a first rotating block (4), a second folding ladder body (5), a second rotating block (3), a first clamping groove (7), a limiting plate (8), a box body (9) fixedly connected with the outer side of the limiting plate (8), a first spring (10) fixedly connected with the top and the bottom of the inner side of the box body (9), and a movable plate (11) fixedly connected with the inner side of the first spring (10), the anti-shaking reset mechanism (12) is arranged at the top and the bottom of the movable plate (11), a pull rod (13) is fixedly connected to the center of the outer side of the movable plate (11), one end, far away from the movable plate (11), of the pull rod (13) penetrates through the outer portion of the box body (9) and is fixedly connected with a pull block (14), a clamping limiting mechanism (15) is arranged at the top of the outer side of the box body (9), a first clamping column (16) is fixedly connected to the top and the bottom of the inner side of the movable plate (11), and one end, far away from the movable plate (11), of the first clamping column (16) penetrates through the inner cavity of the first clamping groove (7).

2. The folding ladder special for power maintenance of claim 1, characterized in that: the anti-shaking resetting mechanism (12) comprises a sliding sleeve (121), a sliding rod (122) is connected to the inner cavity of the sliding sleeve (121) in a sliding mode, connecting blocks (123) are fixedly connected to two ends of the sliding rod (122), and a second spring (124) is sleeved on the surface of the sliding rod (122).

3. The folding ladder special for power maintenance as claimed in claim 2, wherein: the inner side of the sliding sleeve (121) is fixedly connected with the outer side of the movable plate (11), the outer side of the connecting block (123) is fixedly connected with the inner wall of the box body (9), and two ends of the second spring (124) are fixedly connected with the inner side of the connecting block (123) and the outer side of the sliding sleeve (121) respectively.

4. The folding ladder special for power maintenance of claim 1, characterized in that: chucking stop gear (15) are including loading board (151), second draw-in groove (152) have all been seted up to the both sides at drawing piece (14) top, the inner chamber cover of loading board (151) is equipped with second card post (153), top fixedly connected with pull ring (154) of second card post (153), bottom fixedly connected with stopper (155) on second card post (153) surface, the surface cover of second card post (153) is equipped with third spring (156).

5. The folding ladder special for power maintenance of claim 4, wherein: the inner side of the bearing plate (151) is fixedly connected with the top of the outer side of the box body (9), the bottom of the second clamping column (153) penetrates through the inner cavity of the second clamping groove (152), and two ends of the third spring (156) are fixedly connected with the bottom of the bearing plate (151) and the top of the limiting block (155) respectively.