CN219887960U

CN219887960U - Shrink cat ladder

Info

Publication number: CN219887960U
Application number: CN202321036684.1U
Authority: CN
Inventors: 崔博玮; 柴林茂; 贾涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-10-24
Anticipated expiration: 2033-05-04

Abstract

The utility model relates to the technical field of crawling ladders, and particularly discloses a shrinkage crawling ladder, which comprises: the utility model relates to a mounting rack, wherein a connecting rod is fixedly connected to the side surface of the mounting rack, a first inserting rod is slidably connected to the inner wall of the connecting rod, a control board is slidably connected to the surface of the connecting rod, a screw rod rotatably connected with the connecting rod is connected to the inner thread of the control board, a second inserting rod penetrates through the inner part of the first inserting rod, and an iron chain is fixedly connected to the side surface of the second inserting rod.

Description

Shrink cat ladder

Technical Field

The utility model belongs to the technical field of crawling ladders, and particularly relates to a shrinkage crawling ladder.

Background

Although trees have greening effect on the environment, the growth of branches has certain influence on the erection of wires and the safe operation of lines, so the branches of the trees need to be trimmed regularly, and currently, workers need to carry a ladder so as to climb, and further, the trunks need to be trimmed conveniently.

However, when many conventional ladders are used, the conventional ladder has a simple auxiliary ascending function, is inconvenient to shrink and fold, and can only lean on one side of the tree when the tree is trimmed, and when the surface of the tree is inconvenient to lean on, great trouble is brought to trimming work.

Disclosure of Invention

The present utility model is directed to a collapsible ladder for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a collapsible ladder comprising: the mounting bracket, the side fixedly connected with of mounting bracket links up the pole, the inner wall sliding connection who links up the pole has first inserted bar, the surface sliding connection of connecting the pole has the control panel, the inside threaded connection of control panel has the lead screw with linking pole swivelling joint, the inside of first inserted bar is run through there is the second inserted bar, the side fixedly connected with iron chain of second inserted bar.

Preferably, the inner wall fixedly connected with footboard of mounting bracket, the side of mounting bracket is located the top swivelling joint of connecting rod has the board of standing, the top fixedly connected with connecting plate of board of standing, the surface sliding connection of connecting plate has the regulating plate, the surface swivelling joint of connecting plate has the rotor plate, the surface fixedly connected with protruding pole of rotor plate, the surface sliding connection of protruding pole has the atress board with regulating plate fixed connection.

Preferably, the second inserted bar runs through the inside that links up the pole and extends to first inserted bar, first inserted bar and second inserted bar are crisscross each other design, the second inserted bar constitutes fixed knot through first inserted bar.

Preferably, two groups of jacks matched with the first inserting rod in size are arranged on the surface of the second inserting rod, and the iron chain forms an adjustable structure through the first inserting rod and the jacks.

Preferably, the top of footboard is provided with anti-skidding rubber pad, footboard and mounting bracket are mutually perpendicular setting.

Preferably, the protruding rod is arranged offset from the rotation point of the rotating plate, and a fastening nut in threaded connection with the protruding rod is arranged on the back surface of the rotating plate.

Preferably, the surface of the stress plate is provided with a transverse chute matched with the size of the convex rod, and the stress plate drives the adjusting plate to form a lifting structure through the convex rod.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the second inserted link is arranged, because the surface of the second inserted link is provided with two groups of jacks corresponding to the first inserted link, when the second inserted link is pushed to the center line of the standing board, the other group of jacks can be moved to the position corresponding to the first inserted link, at the moment, the second inserted link can be fixed by controlling the first inserted link to be inserted into the corresponding jacks, and through the movement of the second inserted link, the iron chain can be not tensioned any more, and at the moment, the inclination angle of the mounting frame can be adjusted;

(2) According to the utility model, by arranging the adjusting plate, workers sitting on the standing plate can be protected, when the height of the adjusting plate is required to be changed, the nuts on the back of the rotating plate are only required to be unscrewed, the rotating plate is controlled to rotate at the moment, and the convex rod rotates along with the nuts.

Drawings

FIG. 1 is one of the perspective views of the present utility model;

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

FIG. 3 is a third perspective view of the present utility model;

FIG. 4 is a perspective view of the present utility model.

In the figure: 1. a mounting frame; 2. a pedal; 3. a connecting rod; 4. a first plunger; 5. a control board; 6. a screw rod; 7. a second plunger; 8. an iron chain; 9. a standing board; 10. a connecting plate; 11. an adjusting plate; 12. a rotating plate; 13. a protruding rod; 14. and a stress plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Embodiment one:

referring to fig. 1-4, a retractable ladder stand, comprising:

the mounting bracket 1, the side fixedly connected with linking rod 3 of mounting bracket 1, the inner wall sliding connection of linking rod 3 has first inserted bar 4, and the surface sliding connection of linking rod 3 has control panel 5, and the inside threaded connection of control panel 5 has lead screw 6 with linking rod 3 swivelling joint, and the inside of first inserted bar 4 runs through has second inserted bar 7, and the side fixedly connected with iron chain 8 of second inserted bar 7.

Further, the second inserted link 7 runs through the inside that extends to first inserted link 4 in linking rod 3, first inserted link 4 and second inserted link 7 are crisscross each other and design, and second inserted link 7 constitutes fixed knot through first inserted link 4 constructs, and when lead screw 6 is rotatory, can drive control panel 5 and linking rod 3 that is threaded connection with oneself and keep away from each other, and first inserted link 4 of this moment and control panel 5 fixed connection also can move thereupon to the inside of progressively roll-off second inserted link 7, can slide second inserted link 7 in the inside of linking rod 3 this moment.

Further, the surface of the second inserting rod 7 is provided with two groups of jacks matched with the first inserting rod 4 in size, the iron chain 8 forms an adjustable structure through the first inserting rod 4 and the jacks, because the surface of the second inserting rod 7 is provided with two groups of jacks corresponding to the first inserting rod 4, when the second inserting rod 7 is pushed to the center line of the standing plate 9, the other group of jacks can be moved to the positions corresponding to the first inserting rod 4, and at the moment, the second inserting rod 7 can be fixed by controlling the first inserting rod 4 to be inserted into the corresponding jacks.

Further, the top of footboard 2 is provided with anti-skidding rubber pad, and footboard 2 and mounting bracket 1 set up for mutually perpendicular, through setting up the protection rubber pad, can play the guard action when people step on footboard 2 upward movement, prevent to skid.

Embodiment two:

referring to fig. 1-4, the pedal 2 is fixedly connected to the inner wall of the mounting frame 1, the standing plate 9 is rotatably connected to the side surface of the mounting frame 1 above the connecting rod 3, the connecting plate 10 is fixedly connected to the top of the standing plate 9, the adjusting plate 11 is slidably connected to the surface of the connecting plate 10, the rotating plate 12 is rotatably connected to the surface of the connecting plate 10, the protruding rod 13 is fixedly connected to the surface of the rotating plate 12, and the stress plate 14 is slidably connected to the surface of the protruding rod 13 and fixedly connected to the adjusting plate 11.

Further, the protruding rod 13 is arranged at a position deviated from the rotation point of the rotating plate 12, and a fastening nut in threaded connection with the protruding rod 13 is arranged at the back of the rotating plate 12, because the protruding rod 13 is arranged at a position deviated from the rotation point of the rotating plate 12, when the protruding rod moves, a pushing force is applied to the force-receiving plate 14 downwards, so that the force-receiving plate 14 drives the adjusting plate 11 to move downwards.

Further, the surface of the stress plate 14 is provided with a transverse chute matched with the size of the protruding rod 13, the stress plate 14 drives the adjusting plate 11 to form a lifting structure through the protruding rod 13, and when people sit on the top of the standing plate 9 for construction, workers can be protected by arranging the adjusting plate 11.

Working principle: when the equipment is used, firstly, the cat ladder is transported to a designated place for carrying out, then, the iron chain 8 is arranged, the mounting frame 1 can be limited by the iron chain 8, when the cat ladder is used, the joint of the mounting frame 1 and the standing plate 9 is prevented from rotating, potential safety hazards occur, when the inclination angle of the mounting frame 1 needs to be regulated, the screw rod 6 is only required to be screwed, when the screw rod 6 rotates, the control plate 5 which is in threaded connection with the screw rod 6 can be driven to be mutually far away from the connecting rod 3, at the moment, the first inserting rod 4 fixedly connected with the control plate 5 can also move along with the movement of the control plate, and gradually slides out of the second inserting rod 7, at the moment, the second inserting rod 7 can slide in the connecting rod 3, because two groups of inserting holes corresponding to the first inserting rod 4 are arranged on the surface of the second inserting rod 7, when the second inserting rod 7 is pushed to the central line of the standing plate 9, at the moment, the second inserting rod 7 can be fixed by controlling the first inserting rod 4 to be inserted into the corresponding inserting holes, at the moment, and the inclination angle of the mounting frame can be regulated no more, and the inclination angle of the mounting frame 1 can be regulated by the movement of the second inserting rod 7;

when people sit on the top construction of standing board 9, through setting up regulating plate 11, can protect the workman, when needing to change the height of regulating plate 11, only need unscrew the nut at rotor plate 12 back, control rotor plate 12 rotates this moment, protruding pole 13 rotates thereupon, because protruding pole 13 deviates from the rotation point setting in rotor plate 12, when its motion, can exert thrust downwards to atress board 14 for atress board 14 drives regulating plate 11 downward movement, realizes the purpose of regulating plate 11 height-adjusting, the people of the different heights of being convenient for use.

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. A collapsible ladder comprising:

mounting bracket (1), its characterized in that: the side fixedly connected with of mounting bracket (1) links up pole (3), the inner wall sliding connection who links up pole (3) has first inserted bar (4), the surface sliding connection who links up pole (3) has control panel (5), the inside threaded connection of control panel (5) have lead screw (6) with linking pole (3) swivelling joint, the inside of first inserted bar (4) is run through there is second inserted bar (7), the side fixedly connected with iron chain (8) of second inserted bar (7).

2. A collapsible ladder according to claim 1, wherein: the inner wall fixedly connected with footboard (2) of mounting bracket (1), the side of mounting bracket (1) is located the top swivelling joint of connecting rod (3) has standing board (9), the top fixedly connected with connecting plate (10) of standing board (9), the surface sliding connection of connecting plate (10) has regulating plate (11), the surface swivelling joint of connecting plate (10) has rotor plate (12), the surface fixedly connected with protruding pole (13) of rotor plate (12), the surface sliding connection of protruding pole (13) has atress board (14) with regulating plate (11) fixed connection.

3. A collapsible ladder according to claim 1, wherein: the second inserted link (7) penetrates through the connecting rod (3) and extends to the inside of the first inserted link (4), the first inserted link (4) and the second inserted link (7) are in cross-shaped staggered design, and the second inserted link (7) forms a fixed structure through the first inserted link (4).

4. A collapsible ladder according to claim 1, wherein: the surface of second inserted bar (7) is provided with two sets of jack that match with first inserted bar (4) size, iron chain (8) constitute adjustable structure through first inserted bar (4) and jack.

5. A collapsible ladder according to claim 2, wherein: the top of footboard (2) is provided with anti-skidding rubber pad, footboard (2) and mounting bracket (1) are mutually perpendicular setting.

6. A collapsible ladder according to claim 2, wherein: the protruding rod (13) is arranged offset from the rotation point of the rotating plate (12), and a fastening nut in threaded connection with the protruding rod is arranged on the back surface of the rotating plate (12).

7. A collapsible ladder according to claim 2, wherein: the surface of the stress plate (14) is provided with a transverse chute matched with the size of the protruding rod (13), and the stress plate (14) drives the adjusting plate (11) to form a lifting structure through the protruding rod (13).