CN219299191U

CN219299191U - Electric power overhauls ladder

Info

Publication number: CN219299191U
Application number: CN202320216069.2U
Authority: CN
Inventors: 董治民; 曾贞; 张程欣
Original assignee: Henan Jingbo Power Engineering Installation Co ltd
Current assignee: Henan Jingbo Power Engineering Installation Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-07-04
Anticipated expiration: 2033-02-15

Abstract

The utility model relates to the technical field of electric power overhaul, in particular to an electric power overhaul ladder; the anti-skid ladder comprises a ladder body, wherein the lower end of the ladder body is rotationally connected with an anti-skid plate, the upper end of the ladder body is provided with a positioning device for limiting the ladder body, the positioning device comprises a support frame rotationally connected to the top end of the ladder body, arc-shaped compression blocks are slidingly connected inside the support frame, two arc-shaped limiting frames rotationally connected to the support frame are symmetrically arranged on the support frame, one end, close to the compression blocks, of each arc-shaped limiting frame is slidingly connected with the compression blocks, a reset spring is arranged between the support frame and each compression block, and a limiting device for limiting the compression blocks is arranged on the support frame; the problem that the upper part of the ladder is contacted with the telegraph pole by virtue of the pedal cross rod, the contact area is small, so that an maintainer is unstable and easy to shake when climbing; convenient to use, can be quick fix the ladder on the wire pole or take off from the electric box pole, very big degree's improvement security and work efficiency.

Description

Electric power overhauls ladder

Technical Field

The utility model relates to the technical field of electric power overhaul, in particular to an electric power overhaul ladder.

Background

In the line maintenance process of the electric wire, a ladder is often required to be used, and the ladder is leaned against the telegraph pole, so that maintenance staff climbs when electric power is maintained, and accordingly maintenance is performed on electric power equipment at a higher position.

But present ladder simple structure, when the ladder slope is taken on the wire pole, the area of contact of ladder bottom and ground is less and skidded easily, and the upper portion of ladder relies on pedal horizontal pole and wire pole contact, and area of contact is also less for the maintainer is unstable when the climbing is used, rocks easily, has increased the danger.

Accordingly, the present utility model provides an electrical service ladder to address this problem.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the electric power overhaul ladder, which effectively solves the problems that the contact area between the bottom of the ladder and the ground is small and easy to slip, the upper part of the ladder contacts with a telegraph pole by virtue of a pedal cross rod, and the contact area is small, so that overhaul personnel are unstable and easy to shake when climbing.

The utility model relates to an electric power overhaul ladder, which comprises a ladder body, wherein the lower end of the ladder body is rotationally connected with a antiskid plate, the upper end of the ladder body is provided with a positioning device for limiting the ladder body, the positioning device comprises a support frame rotationally connected to the top end of the ladder body, arc-shaped compression blocks are slidingly connected inside the support frame, two arc-shaped limiting frames rotationally connected to the support frame are symmetrically arranged on the support frame, one end of each arc-shaped limiting frame, which is close to each compression block, is slidingly connected with each compression block, a reset spring is arranged between the support frame and each compression block, and limiting devices for limiting the compression blocks are arranged on the support frame.

Preferably, the compaction block and the inner side of the arc-shaped limiting frame are fixedly connected with a plurality of rubber limiting blocks.

Preferably, the limiting device comprises a plurality of limiting columns fixedly installed on one side of the compression block, which is close to the support frame, a limiting block with a triangular section is fixedly installed on one side, which is far away from the compression block, of the limiting columns, a limiting plate is slidably connected on one side, which is far away from the compression block, of the support frame, a plurality of supporting blocks matched with the limiting block are fixedly connected on the limiting plate, a compression spring is installed between one end of the limiting plate and the support frame, and one end of a pull rope is fixedly connected on the limiting plate.

Preferably, a plurality of anti-skid grooves with triangular sections are formed in the inclined planes of the supporting blocks, and a plurality of anti-skid blocks matched with the anti-skid grooves are fixedly connected to the inclined planes of the limiting blocks.

Preferably, the antiskid plate and the hinged shaft of the ladder body are fixedly connected with driving wheels, the support frame and the hinged shaft of the ladder body are fixedly connected with driven wheels, and the driving wheels are connected with the driven wheels through belts.

Preferably, the lower end surface of the antiskid plate is fixedly connected with a plurality of rubber blocks.

The beneficial effects of the utility model are as follows:

aiming at the existing electric power overhaul ladder, the utility model solves the problems that the contact area between the bottom of the ladder and the ground is small and easy to slip, the upper part of the ladder contacts with a telegraph pole by virtue of a pedal cross rod, and the contact area is small, so that an overhaul worker is unstable and easy to shake when climbing; the problem of inconvenient control of the arc-shaped limiting frame is solved by adding the limiting column, the limiting block, the limiting plate, the supporting block, the compression spring and the pull rope; the problem that the pressing block is not easy to clamp on the electric box rod because the supporting frame and the electric wire rod are not in a relatively parallel state when the ladder is leaned against the electric wire rod is solved by adding the driving wheel, the driven wheel and the belt; the ladder is convenient to use, and can be quickly fixed on or taken off from the telegraph pole, so that the safety and the working efficiency are greatly improved.

Drawings

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

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

FIG. 3 is a schematic cross-sectional view of a positioning device according to the present utility model;

FIG. 4 is a schematic view of the mounting position of the stopper according to the present utility model;

FIG. 5 is a schematic view of a cleat according to the present utility model;

1. a ladder body; 2. a support frame; 3. a compaction block; 4. an arc-shaped limiting frame; 5. a return spring; 6. a rubber limiting block; 7. a limit column; 8. a limiting block; 9. a limiting plate; 10. a support block; 11. a compression spring; 12. a pull rope; 13. an anti-skid groove; 14. an anti-skid block; 15. a cleat; 16. a driving wheel; 17. driven wheel; 18. a belt; 19. rubber blocks.

Detailed Description

The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of the embodiments with reference to the accompanying drawings, 1-5. The following embodiments are described in detail with reference to the drawings.

In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Exemplary embodiments of the present utility model will be described below with reference to the accompanying drawings.

According to the first embodiment, as shown in fig. 1 to 5, an electric power overhaul ladder comprises a ladder body 1, wherein a antiskid plate 15 is rotationally connected to the lower end of the ladder body 1, when in use, the antiskid plate 15 is placed on the ground, a positioning device for limiting the ladder body 1 is arranged at the top end of the ladder body 1, the positioning device comprises a support frame 2 rotationally connected to the top end of the ladder body 1, an arc-shaped compression block 3 is slidingly connected to the inside of the support frame 2, the compression block 3 is arranged in an arc shape so as to be convenient for being attached to a telegraph pole, the contact area between the upper end of the ladder body 1 and the telegraph pole is increased, two arc-shaped limiting frames 4 rotationally connected to the support frame 2 are symmetrically arranged on the support frame 2, the arc-shaped limiting frames 4 are arranged in an arc shape so as to increase the contact area between the arc-shaped limiting frames 4 and the telegraph pole, the arc-shaped limiting frame 4 is used for fixing the ladder body 1, one end of the arc-shaped limiting frame 4, which is close to the compression block 3, is in sliding connection with the compression block 3, one end of the arc-shaped limiting frame 4, which is close to the compression block 3, is provided with an arc-shaped sliding groove, both sides of the compression block 3 are fixedly connected with control shafts, the control shafts are in sliding connection with the inside of the sliding groove, when the ladder is used, the compression block 3 is pressed in a direction close to the support frame 2, the control shafts drive one end of the arc-shaped limiting frame 4, which is close to the compression block 3, to rotate in a direction close to the support frame 2, at the moment, the other ends of the two arc-shaped limiting frames 4 rotate in a direction close to each other, so as to clamp a telegraph pole, prevent the ladder body 1 from shaking, a reset spring 5 is arranged between the support frame 2 and the compression block 3, at the initial position, the reset spring 5 pushes the compressing block 3 to a position far away from the supporting frame 2, and a limiting device for limiting the compressing block 3 is arranged on the supporting frame 2.

The compacting block 3 with a plurality of rubber stoppers 6 of equal fixedly connected with of arc spacing 4 inboard, the rubber stopper is used for increasing frictional force, thereby makes ladder body 1 is more stable.

When the ladder is used, the ladder body 1 is placed below a telegraph pole to be overhauled, the antiskid plate 15 is placed on the ground, the ladder body 1 is inclined to lean on the telegraph pole, the compression block 3 is attached to the telegraph pole, after the compression block 3 contacts with the telegraph pole, the compression block 3 is pushed towards the direction close to the support frame 2, at the moment, the arc limiting frame 4 is close to one end of the compression block 3 is rotated towards the direction close to the support frame 2, and the two arc limiting frames 4 are rotated towards the direction close to each other, so that the telegraph pole is clamped, and the ladder body 1 is prevented from shaking.

The limiting device comprises a plurality of limiting columns 7 fixedly installed on one side, close to the supporting frame 2, of the compressing blocks 3, limiting blocks 8 with triangular cross sections are fixedly installed on one side, far away from the compressing blocks 3, of the supporting frame 2, limiting plates 9 are slidably connected to one side, far away from the compressing blocks 3, of the supporting frame 2, a plurality of supporting blocks 10 matched with the limiting blocks 8 are fixedly connected to the limiting plates 9, the cross sections of the supporting blocks 10 are triangular, a compressing spring 11 is installed between one end of each limiting plate 9 and the supporting frame 2, at an initial position, under the action of the compressing spring 11, the limiting plates 9 are pushed, the supporting blocks 10 are pushed to be close to the limiting blocks 8, the inclined planes of the supporting blocks 10 are always attached to the inclined planes of the limiting blocks 8, the compressing blocks 3 are limited, the compressing blocks 3 are prevented from rotating to the direction, one ends of pull ropes 12 are fixedly connected to the limiting plates 9, pulleys are connected to the supporting frame 2 in a rotating mode, and the pulleys 12 are wound around the pulleys so that the limiting plates 9 are pulled.

The inclined plane of the supporting block 10 is provided with a plurality of anti-slip grooves 13 with triangular cross sections, and the inclined plane of the limiting block 8 is fixedly connected with a plurality of anti-slip blocks 14 matched with the anti-slip grooves 13.

When the embodiment is implemented in detail, the ladder body 1 is placed below a telegraph pole to be overhauled, the antiskid plates 15 are placed on the ground, the ladder body 1 is inclined against the telegraph pole, so that the compression block 3 is attached to the telegraph pole, after the compression block 3 contacts with the telegraph pole, the compression block 3 is pushed towards the direction approaching the support frame 2, at the moment, one end of the arc-shaped limiting frame 4, which is close to the compression block 3, rotates towards the direction approaching the support frame 2, the other ends of the two arc-shaped limiting frames 4 rotate towards each other, so that the telegraph pole is clamped, the ladder body 1 is prevented from shaking, when the compression block 3 is pushed towards the direction approaching the support frame 2, the limiting post 7 slides towards the direction away from the support frame 2, and under the action of the compression spring 11, the limiting plate 9 is pushed towards the direction approaching the limiting block 8, so that the inclined surface of the support block 10 is always attached to the inclined surface of the limiting block 8, and the compression block 3 is prevented from rotating towards the direction away from the support frame 2;

after the use is finished, the pull rope 12 is pulled downwards, the pull rope 12 pulls the limiting plate 9 to slide, the limiting plate 9 pulls the supporting block 10 to be away from the direction pulling of the limiting block 8, at the moment, the ladder body 1 is pulled to the direction away from the telegraph pole, the compressing block 3 is pushed to the direction away from the supporting frame 2 under the action of the reset spring 5, at the moment, one end of the arc limiting frame 4, which is close to the compressing block 3, rotates to the direction away from the supporting frame 2, and the other ends of the arc limiting frames 4 rotate to the direction away from each other.

According to the second embodiment, on the basis of the first embodiment, the supporting frame and the telegraph pole are not in a relatively parallel state when the ladder is leaned against the telegraph pole, so that the compacting block 3 is not easy to clamp on the telegraph pole, and the control structure is provided to solve the problem, specifically, the anti-skid plate 15 and the driving wheel 16 are fixedly connected to the hinging shaft of the ladder body 1, driving shafts are fixedly connected to two sides of the anti-skid plate 15, the driving wheel 16 is fixedly connected to the driving shaft, the supporting frame 2 and the hinging shaft of the ladder body 1 are fixedly connected with the driven wheel 17, two sides of the supporting frame 2 are fixedly connected with the driven wheel 17, the driving wheel 16 and the driven wheel 17 are connected through the belt 18, when the ladder body 1 is leaned against the telegraph pole, the anti-skid plate 15 and the ladder body 1 are relatively rotated, and the ladder body 1 is always kept perpendicular to the supporting frame 2 under the action of the belt 18, so that the compacting block 3 and the telegraph pole are always kept in parallel.

The lower end face of the antiskid plate 15 is fixedly connected with a plurality of rubber blocks 19, and the rubber blocks 19 are used for increasing friction force and preventing the antiskid plate 15 from slipping.

The specific implementation method comprises the following steps:

the ladder body 1 is placed below a telegraph pole to be overhauled, the antiskid plate 15 is placed on the ground, when the ladder body 1 is inclined against the telegraph pole, the antiskid plate 15 and the ladder body 1 relatively rotate, and when the ladder body 1 is inclined against the telegraph pole, the antiskid plate 15 is always vertical to the support frame 2 under the action of the belt 18, so that the compression block 3 and the telegraph pole are always parallel, and the compression block 3 is attached to the telegraph pole;

the ladder body 1 is inclined to lean against the telegraph pole, so that the compression block 3 is attached to the telegraph pole, after the compression block 3 is contacted with the telegraph pole, the compression block 3 is pushed to the direction close to the support frame 2, at the moment, one end of the arc-shaped limiting frame 4 close to the compression block 3 is rotated to the direction close to the support frame 2, and the other ends of the two arc-shaped limiting frames 4 are rotated to the direction close to each other, so that the telegraph pole is clamped, the ladder body 1 is prevented from shaking, when the compression block 3 is pushed to the direction close to the support frame 2, the limiting post 7 slides to the direction far away from the support frame 2, under the action of the compression spring 11, the limiting plate 9 is pushed, the support block 10 is pushed to the direction close to the limiting block 8, so that the inclined plane of the support block 10 is always attached to the inclined plane of the limiting block 8, and the compression block 3 is prevented from rotating to the direction far away from the support frame 2;

after the use is finished, the pull rope 12 is pulled downwards, the pull rope 12 pulls the limiting plate 9 to slide, the limiting plate 9 pulls the supporting block 10 to the direction pulling away from the limiting block 8, the ladder body 1 is pulled to the direction away from the telegraph pole at this moment, the compression block 3 pushes the compression block 3 to the direction away from the support frame 2 under the action of the reset spring 5, at this moment, one end of the arc limiting frame 4, which is close to the compression block 3, rotates to the direction away from the support frame 2, and the other ends of the two arc limiting frames 4 rotate to the direction away from each other.

Claims

1. The utility model provides an electric power overhauls ladder, includes ladder body (1), its characterized in that: the utility model discloses a ladder body, including ladder body (1), support frame (2), arc-shaped compact heap (3) are provided with, arc-shaped limit frame (4) are provided with on support frame (2) symmetry, arc-shaped limit frame (4) are close to one end of compact heap (3) with compact heap (3) sliding connection, support frame (2) with install reset spring (5) between compact heap (3), install on support frame (2) and be used for the restriction compact heap (3) stop device.

2. An electrical service ladder as defined in claim 1, wherein: the inner sides of the compression blocks (3) and the arc-shaped limiting frames (4) are fixedly connected with a plurality of rubber limiting blocks (6).

3. An electrical service ladder as defined in claim 1, wherein: stop device includes a plurality of fixed mounting be in compact heap (3) is close to spacing post (7) of support frame (2) one side, spacing post (7) are kept away from one side fixed mounting of compact heap (3) has stopper (8) that the cross-section is triangle-shaped, support frame (2) are kept away from one side sliding connection of compact heap (3) has limiting plate (9), fixedly connected with on limiting plate (9) a plurality of with stopper (8) matched with supporting shoe (10), limiting plate (9) one end with install compression spring (11) between support frame (2), fixedly connected with stay cord (12) one end on limiting plate (9).

4. A power access ladder according to claim 3, characterized in that: a plurality of anti-slip grooves (13) with triangular sections are formed in the inclined planes of the supporting blocks (10), and a plurality of anti-slip blocks (14) matched with the anti-slip grooves (13) are fixedly connected to the inclined planes of the limiting blocks (8).

5. An electrical service ladder as defined in claim 1, wherein: the anti-skid ladder is characterized in that a driving wheel (16) is fixedly connected to the hinging shaft of the anti-skid plate (15) and the ladder body (1), a driven wheel (17) is fixedly connected to the hinging shaft of the support frame (2) and the ladder body (1), and the driving wheel (16) is connected with the driven wheel (17) through a belt (18).

6. An electrical service ladder as defined in claim 1, wherein: the lower end face of the antiskid plate (15) is fixedly connected with a plurality of rubber blocks (19).