CN221144267U

CN221144267U - Maintenance cat ladder

Info

Publication number: CN221144267U
Application number: CN202323233524.9U
Authority: CN
Inventors: 许开艳; 蒋晓艳; 李磊
Original assignee: Xinjiang Altay Water Resources And Hydropower Survey And Design Institute
Current assignee: Xinjiang Altay Water Resources And Hydropower Survey And Design Institute
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-06-14
Anticipated expiration: 2033-11-21

Abstract

The utility model relates to the technical field of hydraulic engineering and discloses an overhaul crawling ladder, which comprises a supporting rod, wherein a pedal is sequentially and fixedly arranged on one side of the supporting rod, a first mounting plate is fixedly arranged at one end of the supporting rod, a first rotating shaft is fixedly arranged on the inner wall of the first mounting plate, a first extension rod is fixedly arranged on the surface of the first rotating shaft, and a storage rod is movably connected to one side of the first extension rod. This overhaul cat ladder through the setting of second extension rod, head rod, second connecting rod, the spacing bolt of second and first inserted bar, has played to extract first inserted bar before using, and it is spacing to the second extension rod to reuse first inserted bar after the length that corresponds is pulled out with two second extension rods later according to the demand, rotates first connecting rod and second connecting rod later respectively and uses the spacing bolt of second afterwards fixed can, has solved inconvenient adjustment cat ladder's length and has led to application scope less.

Description

Maintenance cat ladder

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to an overhaul crawling ladder.

Background

For water conservancy and hydropower overhaul, one common tool is a water conservancy and hydropower overhaul ladder, also called a water conservancy and hydropower operation ladder. The cat ladder is a tool specially used for overhauling and maintaining water conservancy and hydropower equipment, is generally made of metal materials, and has the characteristics of firmness, durability, skid resistance, flexibility, convenience and the like.

The utility model discloses an overhaul cat ladder in the publicity number CN218759680U, although when the staff is climbing, can hang the safety rope couple on the link, along with the rising of staff, the safety rope will pull the slider and shift up in step, when the staff climbs to the top, can rotate the commentaries on classics frame to the horizontality this moment, thereby consequently insert the spacing post on the lug in the slider and restrict the commentaries on classics frame and shift down, then rotatable commentaries on classics board for the commentaries on classics board is gone out from the commentaries on classics frame internal wall's carrier cloth will be opened at this moment, thereby the staff of convenience places some spare part of work on it.

However, this maintenance cat ladder has the following drawbacks:

(1) The length of the crawling ladder is fixed, so that the length of the crawling ladder is not convenient to adjust according to the requirements, and the crawling ladder with different lengths can be prepared for use;

(2) When the ladder is used, the bottom is contacted with the ground, the top is contacted with the wall surface or equipment to be overhauled, an auxiliary supporting device is not arranged, the stability is poor, or the auxiliary supporting device is highly fixed, the ladder is inflexible to use, the adjustment according to the inclination angle of the ladder is inconvenient, and the application range is limited.

Disclosure of utility model

(One) solving the technical problems

The utility model solves the technical problems that the utility model provides an overhaul cat ladder which has higher practicability and simpler structure through simple operation, solves the problems that the length of the cat ladder provided in the background art is fixed, the length of the cat ladder is inconvenient to adjust according to the requirement, the cat ladder with different lengths possibly needs to be prepared for coping with use, the bottom of the cat ladder contacts with the ground, the top of the cat ladder contacts with the wall surface or equipment to be overhauled when the cat ladder is used, an auxiliary supporting device is not arranged, the stability is poor, or the auxiliary supporting device is highly fixed, the use is inflexible, the adjustment according to the inclination angle of the cat ladder is inconvenient, and the application range is limited.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an overhaul cat ladder, includes branch, one side of branch is fixed mounting has the running-board in proper order, the one end fixed mounting of branch has first mounting panel, the inner wall fixed mounting of first mounting panel has first pivot, the fixed surface of first pivot installs first extension pole, one side swing joint of first extension pole has the storage pole, the one end grafting of storage pole has first spacing bolt, the inner wall grafting of branch has the second extension pole, one of them the inner wall rotation of second extension pole is connected with the head rod.

Optionally, another the inner wall rotation of second extension rod is connected with the second connecting rod, the inner wall grafting of second connecting rod has the spacing bolt of second, and the spacing bolt of second can be fixed head rod and second connecting rod.

Optionally, slot has been seted up in proper order to one side of second extension rod, the inner wall of slot has pegged graft first inserted bar, and first inserted bar can carry out spacingly to the second extension rod.

Optionally, the lower extreme rotation of branch is connected with first bottom plate, the lower extreme of first bottom plate is fixed mounting in proper order has first fixed cone, and first fixed cone can increase the stability of branch.

Optionally, the lower extreme rotation of accomodating the pole is connected with the second bottom plate, the lower extreme of second bottom plate fixed mounting has the second fixed cone in proper order, and the second fixed cone can increase the stability of accomodating the pole.

Optionally, peg graft in one side of first pivot has the gag lever post, the one end fixed mounting of gag lever post has the arm-tie, the one end of arm-tie has the second inserted bar in proper order fixed mounting, and gag lever post and second inserted bar can carry out spacing fixed to it after first extension rod rotates.

(III) beneficial effects

The utility model provides an overhaul crawling ladder, which has the following beneficial effects:

1. This overhaul cat ladder through the setting of second extension rod, head rod, second connecting rod, the spacing bolt of second and first inserted bar, has played and has pulled out first inserted bar before using, and it is spacing to the second extension rod to reuse first inserted bar after pulling out corresponding length with two second extension rods later according to the demand, rotates first connecting rod and second connecting rod later respectively and uses the spacing bolt of second afterwards to fix can, has solved the length of inconvenient adjustment cat ladder and has led to the less effect of application scope.

2. This overhaul cat ladder, through first pivot, first extension rod, accomodate the pole, the setting of first spacing bolt and second fixed cone, played stop lever and second inserted bar and pulled out, later pulled out the back with first spacing bolt and pulled out the suitable length with first extension rod according to the demand after, use first spacing bolt to insert can be spacing fixed to first extension rod, later through first fixed cone and the fixed cone of second with the cat ladder spacing subaerial can, solved the effect of inconvenient adjustment cat ladder's angle.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a second bayonet of the present utility model;

FIG. 3 is a schematic view of a first connecting rod according to the present utility model;

fig. 4 is a schematic view of a second limiting latch according to the present utility model.

In the figure: 1. a support rod; 2. a foot pedal; 3. a first mounting plate; 4. a first rotating shaft; 5. a first extension rod; 6. a storage rod; 7. the first limiting bolt; 8. a second extension rod; 9. a first connecting rod; 10. a second connecting rod; 11. the second limiting bolt; 12. a first plunger; 13. a first base plate; 14. a first fixed cone; 15. a second base plate; 16. a second fixed cone; 17. a limit rod; 18. and a second plunger.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: an overhaul cat ladder comprises a supporting rod 1, wherein one side of the supporting rod 1 is fixedly provided with a pedal 2, one end of the supporting rod 1 is fixedly provided with a first mounting plate 3, the inner wall of the first mounting plate 3 is fixedly provided with a first rotating shaft 4, the surface of the first rotating shaft 4 is fixedly provided with a first extension rod 5, one side of the first extension rod 5 is movably connected with a storage rod 6, one end of the storage rod 6 is inserted with a first limit plug 7, the cat ladder is limited on the ground by the first rotating shaft 4, the first extension rod 5, the storage rod 6, the first limit plug 7 and a second fixed cone 16, the limit rod 17 and the second inserting rod 18 are pulled out, then the first limit plug 7 is pulled out according to requirements, the first extension rod 5 is limited and fixed by using the first limit plug 7 after being pulled out to a proper length, then the cat ladder is limited on the ground by the first fixed cone 14 and the second fixed cone 16, the angle adjusting function of the ladder is solved, the second extending rods 8 are inserted into the inner wall of the supporting rod 1, the first connecting rod 9 is connected to the inner wall of one second extending rod 8 in a rotating way, the first extending rod 8, the first connecting rod 9, the second connecting rod 10, the second limiting plug 11 and the first inserting rod 12 are arranged, the first inserting rod 12 is pulled out before use, the corresponding lengths of the two second extending rods 8 are pulled out according to the requirements, the first inserting rod 12 is used for limiting the second extending rod 8, the first connecting rod 9 and the second connecting rod 10 are respectively rotated, then the second limiting plug 11 is used for fixing, the problem that the application range is small due to the inconvenient adjustment of the length of the ladder is solved, the supporting rod 1 is made of stainless steel, the stainless steel has good corrosion resistance and strength, commonly used in the manufacture of ladders for long-term exposure to humid environments or to chemically aggressive sites;

The inner wall of the other second extension rod 8 is rotationally connected with a second connecting rod 10, the inner wall of the second connecting rod 10 is inserted with a second limiting plug 11, and the second limiting plug 11 plays a role in facilitating the installation of the first connecting rod 9 and the second connecting rod 10;

One side of the second extension rod 8 is sequentially provided with slots, the inner wall of each slot is inserted with a first inserted rod 12, and the effect of limiting the second extension rod 8 is achieved through the arrangement of the first inserted rods 12;

The lower end of the support rod 1 is rotatably connected with a first bottom plate 13, the lower end of the first bottom plate 13 is sequentially and fixedly provided with a first fixed cone 14, and the support rod 1 is fixed through the arrangement of the first fixed cone 14;

The lower end of the storage rod 6 is rotatably connected with a second bottom plate 15, the lower end of the second bottom plate 15 is sequentially and fixedly provided with a second fixed cone 16, and the storage rod 6 is fixed on the ground through the arrangement of the second fixed cone 16;

One side of the first rotating shaft 4 is inserted with a limiting rod 17, one end of the limiting rod 17 is fixedly provided with a pull plate, one end of the pull plate is sequentially and fixedly provided with a second inserting rod 18, and the limiting and fixing effects on the first extension rod 5 are achieved through the arrangement of the limiting rod 17 and the second inserting rod 18.

In the utility model, the working steps of the device are as follows:

A first step of: firstly, the first inserting rod 12 is pulled out before use, then the two second extending rods 8 are pulled out to corresponding lengths according to requirements, then the first inserting rod 12 is used for limiting the second extending rods 8, then the first connecting rod 9 and the second connecting rod 10 are respectively rotated, and then the second limiting plug 11 is used for fixing, so that the problem that the application range is smaller due to the fact that the length of a climbing ladder is inconvenient to adjust is solved;

And a second step of: the spacing pole 17 and the second inserted bar 18 are pulled out afterwards, and then after pulling out the first spacing bolt 7 again, pull out the first extension rod 5 according to the demand and use first spacing bolt 7 to insert after the suitable length can be spacing fixed to first extension rod 5, and then through first fixed awl 14 and second fixed awl 16 with the cat ladder spacing on subaerial can, solve the problem of inconvenient adjustment cat ladder's angle.

It should be noted that, the device structure and the drawings of the present utility model mainly describe the principle of the present utility model, in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, and on the premise that the person skilled in the art understands the principle of the present utility model, the specific details of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art;

The standard parts used in the method can be purchased from the market, and can be customized according to the description of the specification and the drawings, the specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment are conventional models in the prior art, and the structures and the principles of the parts are all known by the skilled person through technical manuals or through conventional experimental methods.

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

Claims

1. The utility model provides an overhaul cat ladder, includes branch (1), its characterized in that: one side of branch (1) is fixed mounting has running-board (2) in proper order, the one end fixed mounting of branch (1) has first mounting panel (3), the inner wall fixed mounting of first mounting panel (3) has first pivot (4), the fixed surface of first pivot (4) installs first extension rod (5), one side swing joint of first extension rod (5) has accomodates pole (6), the one end grafting of accomodating pole (6) has first spacing bolt (7), the inner wall grafting of branch (1) has second extension rod (8), one of them the inner wall rotation of second extension rod (8) is connected with head rod (9).

2. The access ladder of claim 1, wherein: the other inner wall of the second extension rod (8) is rotatably connected with a second connecting rod (10), and a second limiting plug pin (11) is inserted into the inner wall of the second connecting rod (10).

3. The access ladder of claim 1, wherein: slots are sequentially formed in one side of the second extension rod (8), and a first inserting rod (12) is inserted into the inner wall of each slot.

4. The access ladder of claim 1, wherein: the lower extreme of branch (1) rotates and is connected with first bottom plate (13), the lower extreme of first bottom plate (13) is fixed mounting in proper order has first fixed cone (14).

5. The access ladder of claim 1, wherein: the lower extreme of accomodating pole (6) rotates and is connected with second bottom plate (15), the lower extreme of second bottom plate (15) is fixed mounting in proper order has second fixed awl (16).

6. The access ladder of claim 1, wherein: one side of the first rotating shaft (4) is inserted with a limiting rod (17), one end of the limiting rod (17) is fixedly provided with a pulling plate, and one end of the pulling plate is sequentially and fixedly provided with a second inserting rod (18).