Insulation ladder for power transmission and transformation construction
By designing a foldable insulated ladder, the problems of large size, heavy weight, and limited height of existing insulated ladders have been solved, enabling flexible adjustment and efficient power maintenance operations, and ensuring safety and convenience.
Patent Information
- Application Number
- CN202422623685.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing insulated ladders are usually single straight ladders with fixed lengths. They are large, heavy, and inconvenient to move and store. They also have limited height and require frequent replacement, which causes inconvenience for power maintenance.
A foldable insulated ladder has been designed, including a base ladder, a support ladder, a connecting shaft, a limiting disc, a limiting rod, an L-shaped connecting block, and an extension ladder. The angle and position of the support ladder can be adjusted by the limiting disc and the limiting rod. Combined with the insulation layer material, the stability and insulation performance of the ladder are ensured.
It enables flexible adjustment of the ladder to adapt to different height requirements, eliminating the need for frequent ladder replacements, improving work efficiency, reducing transportation and storage costs, and ensuring safety and convenience.
Smart Images
Figure CN223459319U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of power transmission and transformation engineering, and particularly relates to an insulating ladder for power transmission and transformation construction. Background Art
[0002] Live working is a special working method for maintenance of power transmission and transformation equipment under live operation. When performing outdoor work, power supply department personnel usually need to carry insulating ladders to climb up. However, the current insulating ladders are usually single-body straight ladders. The length of a single-body straight ladder is fixed, and the size and weight are large, which is not convenient for carrying and placing. If the ladder is too long when loaded and carried on a vehicle, there will be certain safety hazards. At the same time, the use height will be restricted. When the maintenance height increases, the power maintenance personnel need to replace the insulating ladder, which brings unnecessary trouble to the work. Utility Model Content
[0003] In order to overcome the problem that the current insulating ladders are usually single-body straight ladders, which have a certain length, are large in size and heavy in weight, are inconvenient to carry and place, and the use height is limited. When the maintenance height increases, the power maintenance personnel need to replace the insulating ladder, the utility model provides an insulating ladder for power transmission and transformation construction; first, the bottom ladder and the support ladder are unfolded, and the limit disc and the limit rod are used to limit the angle and position of the support ladder to ensure the stability of the support ladder, and then the position of the extended ladder on the L-shaped connecting block is adjusted as needed to increase the length of the entire insulating ladder, and the pedals provide the user with a support point for standing and climbing, and the outer surfaces of all components are covered with an insulating layer to ensure good insulation performance during the power transmission and transformation construction process and prevent electric shock accidents.
[0004] To achieve the above-mentioned purpose, the utility model is realized through the following technical solutions: an insulating ladder for power transmission and transformation construction mainly includes a base ladder, a supporting ladder, a connecting shaft, a limiting disc, a limiting rod, an L-shaped connecting block, an extended ladder, and a pedal. The base ladder and the supporting ladder are hinged by a connecting shaft, the limiting disc is rotatably mounted on the connecting shaft, the supporting ladder is fixedly connected to the limiting disc, the limiting rod passes through the base ladder and is connected to the limiting disc, the L-shaped connecting blocks are equidistantly mounted on the supporting ladder, the extended ladder is mounted on the L-shaped connecting block by fastening bolts, and the pedals are equidistantly mounted on the base ladder, the supporting ladder, the connecting shaft, the limiting disc, the limiting rod, the L-shaped connecting block, the extended ladder, and the pedals are all covered with an insulating layer on their outer surfaces, a plurality of limiting holes are provided on the limiting disc, and the limiting rod passes through the limiting holes and is mounted on the base ladder.
[0005] Anti-slip support blocks are installed at the ends of the bottom ladder and the supporting ladder.
[0006] The insulating layer is made of glass fiber cloth and epoxy resin composite with excellent insulating performance.
[0007] The utility model discloses beneficial effect:
[0008] When using the insulating ladder for power transmission and transformation construction, first, the bottom ladder and the supporting ladder are unfolded, the limiting disc and the limiting rod are used to limit the angle and position of the supporting ladder, to ensure the stability of the supporting ladder, then the position of the extension ladder on the L-shaped connecting block is adjusted according to the need, to increase the length of the whole insulating ladder, the pedal provides a support point for standing and climbing for the user, the outer surface of all components is covered with an insulating layer, to ensure good insulating performance during the power transmission and transformation construction process, to prevent electric shock accidents, the staff can safely climb the ladder, to reach the required working height for power transmission and transformation construction or other related work, after use, the ladder can be folded and disassembled, to facilitate transportation and storage, to adapt to the maintenance requirements of different heights, without replacing ladders of different lengths, to save time and cost, to enable the power maintenance personnel to reach the required height for maintenance work more quickly, to improve the work efficiency, to more flexibly adapt to various scenes, to provide more convenience for the power maintenance personnel. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is the three-dimensional schematic view of the utility model.
[0010] Figure 2 It is the first working state schematic view of the utility model.
[0011] Figure 3 It is the second working state schematic view of the utility model.
[0012] Figure 4 It is the third working state schematic view of the utility model.
[0013] Figure 5 It is the fourth working state schematic view of the utility model. DETAILED DESCRIPTION
[0014] In order to make the purpose, technical scheme and beneficial effect of the utility model more clear, the preferred embodiment of the utility model will be explained in detail below, combined with the drawings, to facilitate the understanding of the technical personnel.
[0015] The utility model discloses an insulating ladder for power transmission and transformation construction, which mainly comprises a bottom ladder 1, a supporting ladder 2, a connecting shaft 3, a limiting disc 4, a limiting rod 5, an L-shaped connecting block 6, an extension ladder 7 and a pedal 8.
[0016] The insulating ladder is placed at a position where construction is needed. According to actual needs, the limiting rod 5 is loosened. First, the bottom ladder 1 and the supporting ladder 2 are unfolded. The limiting disc 4 and the limiting rod 5 are used to limit the angle and position of the supporting ladder 2, so that the supporting ladder 2 can adapt to the construction environment. After adjustment, the limiting rod 5 is inserted into the limiting hole 41 to ensure the stability of the supporting ladder 2. Then, the position of the extension ladder 7 on the L-shaped connecting block 6 is adjusted as needed to increase the length of the entire insulating ladder. The pedal 8 provides a support point for users to stand and climb. The outer surfaces of all components are covered with an insulating layer to ensure good insulation performance during power transmission and transformation construction, prevent electric shock accidents, and enable workers to safely climb the ladder to the required working height for power transmission and transformation construction or other related work. After use, the insulating ladder can be folded and disassembled for easy transportation and storage. It can adapt to different height maintenance requirements without the need to replace ladders of different lengths, thereby saving time and cost, enabling power maintenance personnel to quickly reach the required height for maintenance work, and improving work efficiency. It can more flexibly adapt to various scenarios and provide more convenience for power maintenance personnel.
[0017] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , the bottom ladder 1 and the supporting ladder 2 are provided with anti-skid support blocks 9 at the ends. This increases the friction between the bottom ladder 1, the supporting ladder 2 and the ground, improves stability, and prevents sliding during use.
[0018] The insulating layer adopts glass fiber cloth and epoxy resin composition with excellent insulation performance, so that good insulation performance is provided during power transmission and transformation construction, and electric shock accidents are prevented.
[0019] Working process:
[0020] The insulating ladder is placed at the position where construction is needed, the ground is ensured to be flat and stable, it is checked whether each part of the ladder is intact, especially whether the insulating layer is damaged or aged, after the check is completed, according to actual needs, the limiting rod 5 is loosened, the bottom ladder 1 and the supporting ladder 2 are unfolded first, the limiting disc 4 and the limiting rod 5 are used to limit the angle and position of the supporting ladder 2, so that it is adapted to the construction environment, after the adjustment is completed, the limiting rod 5 is inserted into the limiting hole 41, so that the stability of the supporting ladder 2 is ensured, then the position of the extension ladder 7 on the L-shaped connecting block 6 is adjusted according to needs, so that the length of the entire insulating ladder is increased, the pedal 8 provides a support point for standing and climbing for the user, the outer surfaces of all parts are covered with an insulating layer, so that good insulation performance is provided during power transmission and transformation construction, and electric shock accidents are prevented, workers can safely climb the ladder to reach the required working height to carry out power transmission and transformation construction or other related work, after use, the insulating ladder can be folded and disassembled, so that transportation and storage are facilitated, different height maintenance requirements can be adapted to, different length ladders do not need to be replaced, so that time and cost are saved, power maintenance personnel can more quickly reach the required height to carry out maintenance work, so that the working efficiency is improved, various scenes can be more flexibly adapted to, and more convenience is provided for power maintenance personnel.
[0021] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the utility model and not to limit, although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the range defined by the claims of the utility model.
Claims
1. An insulating ladder for power transmission construction, characterized by: The utility model provides an insulating ladder for power transmission and construction, which comprises a bottom ladder (1), a supporting ladder (2), a connecting shaft (3), a limiting disc (4), a limiting rod (5), an L-shaped connecting block (6), an extended ladder (7) and a stepping plate (8), the bottom ladder (1) and the supporting ladder (2) are hinged through the connecting shaft (3), the limiting disc (4) is rotatably installed on the connecting shaft (3), the supporting ladder (2) is fixedly connected with the limiting disc (4), the limiting rod (5) penetrates through the bottom ladder (1) and is connected with the limiting disc (4), the L-shaped connecting block (6) is installed on the supporting ladder (2) at equal intervals, the extended ladder (7) is installed on the L-shaped connecting block (6) through fastening bolts, the stepping plate (8) is installed on the bottom ladder (1), the supporting ladder (2) and the extended ladder (7) at equal intervals, and the outer surfaces of the bottom ladder (1), the supporting ladder (2), the connecting shaft (3), the limiting disc (4), the limiting rod (5), the L-shaped connecting block (6), the extended ladder (7) and the stepping plate (8) are all covered with insulating layers, a plurality of limiting holes (41) are formed in the limiting disc (4), and the limiting rod (5) penetrates through the limiting holes (41) and is installed on the bottom ladder (1).
2. The utility pole according to claim 1, wherein: The bottom ladder (1) and the supporting ladder (2) are provided with anti-skid supporting blocks (9) at the ends.