Insulated ladder for electric power construction

CN224606337UActive Publication Date: 2026-08-07XINGHUA YONGSHENG POWER EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINGHUA YONGSHENG POWER EQUIP
Filing Date
2025-07-31
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0003]电力施工绝缘梯虽然在电力施工中发挥着重要作用,但也存在一些缺点,高度限制:绝缘梯的高度通常受到制造技术和材料性能的限制,当绝缘梯摆放至一定的高度,施工人员在绝缘梯上面无法直接调节高度,稳定性不足:在较高或复杂环境中使用绝缘梯时,在这种情况下,为了保持绝缘梯的稳定性,施工人员通常需要采取额外的措施,如使用拉绳或支撑结构,这些额外的辅助设备虽然在一定程度上能够增强梯子的稳定性,但同时也带来了新的问题,无法便捷的移动:绝缘梯的位置通常无法固定在一个中心点移动,当带轮子的可移动的绝缘梯在移动时,施工人员无法便捷的控制绝缘梯的移动

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Abstract

The utility model provides an insulating ladder for electric power construction belongs to electric power engineering field, ladder, lifting clamping subassembly is equipped in the outer wall department of ladder, wherein: lifting clamping subassembly includes rotary disc, screw rod, fixed column, rotary disc, connecting rod, stress shaft, limit axis, clamping claw and ball group, the bottom center department of rotary disc is fixed with screw rod, the bottom center department of rotary disc is fixed with screw rod, the upper surface center department of ladder is fixed with fixed column, the axle center department of fixed column is embedded with screw rod rotation, the axle center department of rotary disc is screwed with screw rod, the outer wall of rotary disc is rotatably connected with one end of connecting rod, the outer wall center department of stress shaft is rotatably sleeved with the other end of connecting rod, through rotary lifting clamping subassembly, can adjust the height of ladder, simultaneously pull clamping claw, make clamping claw completely wrap in the outer wall department of column, ensure that the outer wall of partial ball group and column contact, avoid the situation of unstable ladder to appear, realize the function of reducing resistance.
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Description

Technical Field

[0001] This utility model belongs to the field of power engineering, and specifically relates to an insulated ladder for power construction. Background Technology

[0002] Insulated ladders for power construction are a crucial part of the safe, standardized, and efficient construction process. They aim to ensure the safe operation of power systems and prevent current leakage and short-circuit accidents. The following is a detailed analysis of insulated ladders for power construction: Definition: An insulated ladder for power construction is a specially designed climbing tool for power construction. It possesses excellent insulation properties and is mainly used in industries requiring work in live electrical environments, such as power engineering and telecommunications engineering, to ensure the safety of construction personnel. Material Composition: Insulated ladders for power construction are typically manufactured using unsaturated resin and glass fiber polymer pultrusion processes, combined with high-performance insulating materials such as epoxy resin. These materials possess excellent insulation properties and mechanical strength, capable of withstanding certain voltage and current while ensuring the stability of the ladder. Durability and Structural Features: Insulation Performance: Insulating material is added between the crossbeams and footrests of the power construction insulated ladder, giving the entire ladder excellent insulation performance. This not only prevents users from coming into contact with current, but also prevents current from flowing through the ladder to the ground, thus effectively protecting the user's safety. Structural Design: The ladder body design conforms to ergonomic principles, with overall core stability, appropriate ladder length, and anti-slip and durable ladder supports, beams, slats, and feet. The upper parts of the ladder have smooth and flat surfaces without sharp edges to ensure safety and comfort during use. Diverse Types: Power construction insulated ladders include various types such as insulated single ladders, insulated A-frame ladders, insulated telescopic ladders (fishing rod ladders), insulated articulated ladders, and insulated lifting ladders to meet the needs of different construction scenarios.

[0003] While insulated ladders play a vital role in power construction, they also have some drawbacks. Height limitations: The height of insulated ladders is typically limited by manufacturing technology and material properties. Once the ladder is placed at a certain height, construction workers cannot directly adjust its height from within. Insufficient stability: When using insulated ladders in high or complex environments, construction workers often need to take additional measures to maintain stability, such as using ropes or support structures. While these additional auxiliary devices can enhance the ladder's stability to some extent, they also introduce new problems. Inconvenient movement: The position of an insulated ladder cannot usually be fixed at a central point. When a wheeled, movable insulated ladder is being moved, construction workers cannot easily control its movement. Utility Model Content

[0004] The purpose of this utility model is to provide an insulated ladder for power construction, which aims to solve the problems mentioned in the background art.

[0005] An insulated ladder for power construction includes,

[0006] ladder;

[0007] A lifting and clamping assembly is located on the outer wall of a ladder. The assembly includes a rotating disk, a lead screw, a fixed column, a rotating disc, a connecting rod, a force-bearing shaft, a limiting shaft, clamping claws, and a ball bearing assembly. The lead screw is fixedly located at the bottom center of the rotating disk, and the fixed column is fixedly located at the top center of the ladder. The lead screw is rotatably embedded in the axis of the fixed column and threadedly connected to the axis of the rotating disc. One end of the connecting rod is rotatably connected to the outer wall of the rotating disc, and the other end is rotatably sleeved on the outer wall center of the force-bearing shaft. The force-bearing shaft is fixed to the outer wall of the ladder, and the limiting shaft is fixedly located at the top center of the ladder. The clamping claws are rotatably connected to the axis of the limiting shaft, and the ball bearing assembly is rotatably embedded in the inner recess of the clamping claws.

[0008] Furthermore, both ends of the ladder are provided with rotating rods on their outer walls, and each rotating rod is fixed with a set of fixing nails at the bottom of its outer wall.

[0009] Furthermore, both sides of the bottom of the ladder are equipped with rotatable pulleys.

[0010] Furthermore, the outer wall of the sliding wheel is coated with a rubber layer.

[0011] Furthermore, the ladder has a folding function.

[0012] Furthermore, the cross-section of the clamping claw is arc-shaped.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] By manually rotating the rotating disc, the lead screw rotates under the limit of the fixed column. The rotation of the lead screw drives the rotating disc to rise. As the rotating disc rises, one end of the connecting rod also rises. The other end of the connecting rod, through the force-bearing shaft, drives the two ends of the ladder closer together. The two ends of the ladder use sliding wheels to reduce resistance and prevent the ladder ends from scraping the ground and causing wear. When the worker reaches the designated height on the ladder, they lower the rotating rod, allowing the fixing nails to insert into the ground, thus securing the two ends of the ladder. The worker then pulls the clamping claws, ensuring that they completely enclose the outer wall of the column, ensuring that part of the outer wall of the ball bearing assembly contacts the column, thus reducing resistance. After the worker completes the work, they need to adjust the working angle around the column. At this time, they retract the rotating rod and push the ladder to rotate. Due to the resistance reduction of the clamping claws and the ball bearing assembly, the ladder can rotate 360 ​​degrees around the column. When the designated position is reached, the rotating rod is lowered to secure it. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a perspective view of the clamping claw of this utility model;

[0018] Figure 3 This is a perspective view of the connecting rod of this utility model.

[0019] In the diagram: 1. Ladder; 2. Rotating disk; 3. Lead screw; 4. Fixed column; 5. Rotating disc; 6. Connecting rod; 7. Force-bearing shaft; 8. Limiting shaft; 9. Clamping claw; 10. Ball bearing assembly; 11. Rotating rod; 12. Fixed nail assembly; 13. Pulley. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figure 1-3 The technical solution provided in this embodiment is as follows:

[0024] An insulated ladder for power construction includes,

[0025] Ladder 1;

[0026] A lifting and clamping assembly is located on the outer wall of the ladder 1. The lifting and clamping assembly includes a rotating disk 2, a lead screw 3, a fixed column 4, a rotating disc 5, a connecting rod 6, a force-bearing shaft 7, a limiting shaft 8, clamping claws 9, and a ball bearing assembly 10. The lead screw 3 is fixedly located at the bottom center of the rotating disk 2, and the fixed column 4 is fixedly located at the center of the upper surface of the ladder 1. The lead screw 3 is rotatably embedded in the axis of the fixed column 4. The lead screw 3 is threadedly connected to the axis of the rotating disc 5. One end of the connecting rod 6 is rotatably connected to the outer wall of the rotating disc 5, and the other end of the connecting rod 6 is rotatably sleeved at the center of the outer wall of the force-bearing shaft 7. The force-bearing shaft 7 is fixed to the outer wall of the ladder 1. The limiting shaft 8 is fixedly located at the top center of the ladder 1. The clamping claws 9 are rotatably connected to the axis of the limiting shaft 8, and the ball bearing assembly 10 is rotatably embedded in the inner recess of the clamping claws 9.

[0027] In a specific embodiment of this utility model, by manually rotating the rotating disc, the lead screw rotates under the limit of the fixed column. The rotation of the lead screw drives the rotating disc to rise. As the rotating disc rises, one end of the connecting rod rises as well. The other end of the connecting rod, through the force-bearing shaft, drives the two ends of the ladder to move closer together. The two ends of the ladder use sliding wheels to reduce resistance and prevent the two ends of the ladder from scraping the ground and causing wear. When the worker reaches the designated height on the ladder, they lower the rotating rod, causing the fixing nails to insert into the ground, thus fixing the two ends of the ladder. The worker then pulls the clamping claws, causing them to completely wrap around the outer wall of the column, ensuring that the outer wall of part of the ball bearing assembly contacts the column, achieving the function of reducing resistance. This allows the height of the adjustable ladder 1 to be adjusted. The operator manually rotates the rotating disk 2, causing the lead screw 3 to rotate under the limit of the fixed column 4. The rotation of the lead screw 3 drives the rotating disk 5 to rise. As the rotating disk 5 rises, one end of the connecting rod 6 also rises. The other end of the connecting rod 6 drives the two ends of the ladder 1 to move closer to each other through the force shaft 7. The two ends of the ladder 1 achieve the function of reducing resistance through the sliding wheels 13, preventing the two ends of the ladder 1 from scraping the ground and causing wear. When the worker reaches the designated height on the ladder 1, he lowers the rotating rod 11, causing the fixing nail group 12 to be inserted into the ground, completing the fixation of the two ends of the ladder 1. The worker pulls the clamping claw 9, so that the clamping claw 9 completely wraps around the outer wall of the column, ensuring that the outer wall of part of the ball group 10 is in contact with the column, achieving the function of reducing resistance.

[0028] Specifically, both ends of the ladder 1 are equipped with rotating rods 11 on both sides of the outer wall, and each rotating rod 11 is fixed with a set of fixing nails 12 at the bottom of its outer wall.

[0029] In a specific embodiment of this utility model, the fixing nail group 12 can fix the ladder 1 to the ground by rotating the rod 11.

[0030] Specifically, both sides of the bottom of ladder 1 are equipped with rotatable pulleys 13.

[0031] In a specific embodiment of this utility model, the sliding wheel 13 can realize the function of conveniently moving the ladder 1.

[0032] Specifically, the outer wall of the sliding wheel 13 is coated with a rubber layer.

[0033] In a specific embodiment of this utility model, the rubber layer sprayed on the outer wall of the sliding wheel 13 can reduce the drag between the sliding wheel 13 and the ground.

[0034] Specifically, ladder 1 has a folding function.

[0035] In a specific embodiment of this utility model, the ladder 1 can realize the folding function of the ladder 1.

[0036] Specifically, the cross-section of the clamping claw 9 is arc-shaped.

[0037] In a specific embodiment of this utility model, the arc shape of the cross-section of the clamping claw 9 can ensure a stable grip on the column, thus fixing the ladder 1 in one position.

[0038] Working principle:

[0039] First, move ladder 1 to the designated working position. The worker climbs onto the top center of the outer wall of ladder 1 from one side and manually rotates the rotating disc 2. This causes the lead screw 3 to rotate under the constraint of the fixed column 4. The rotation of the lead screw 3 drives the rotating disc 5 to rise. The rise of the rotating disc 5 causes one end of the connecting rod 6 to rise as well. The other end of the connecting rod 6, through the force-bearing shaft 7, brings the two ends of ladder 1 closer together. The two ends of ladder 1 use sliding wheels 13 to reduce resistance and prevent the ends of ladder 1 from scraping the ground and causing wear. When the worker reaches the designated height on ladder 1, lower it. Rotating rod 11 allows the fixing nail assembly 12 to be inserted into the ground, thus securing both ends of ladder 1. The worker pulls the clamping claw 9, causing it to completely enclose the outer wall of the column, ensuring that the outer wall of part of the ball bearing assembly 10 contacts the column, thereby reducing resistance. After the worker completes the work, the working angle needs to be adjusted around the column. At this time, rotating rod 11 is retracted, pushing ladder 1 to rotate. Due to the resistance reduction provided by the clamping claw 9 and the ball bearing assembly 10, ladder 1 can rotate 360 ​​degrees around the column. When it reaches the designated position, rotating rod 11 is lowered to secure it.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An insulated ladder for power construction, characterized in that, include, Ladder (1); A lifting and clamping assembly is located on the outer wall of the ladder (1), wherein the lifting and clamping assembly includes a rotating disk (2), a lead screw (3), a fixed column (4), a rotating disc (5), a connecting rod (6), a force-bearing shaft (7), a limiting shaft (8), clamping claws (9), and a ball bearing assembly (10). The lead screw (3) is fixedly located at the bottom center of the rotating disk (2), and the fixed column (4) is fixedly located at the center of the upper surface of the ladder (1). The lead screw (3) is rotatably embedded in the axis of the fixed column (4). The rod (3) is threaded to the axis of the rotating disk (5). One end of the connecting rod (6) is rotatably connected to the outer wall of the rotating disk (5). The other end of the connecting rod (6) is rotatably sleeved at the center of the outer wall of the force-bearing shaft (7). The force-bearing shaft (7) is fixed to the outer wall of the ladder (1). The limiting shaft (8) is fixedly set at the top center of the ladder (1). The clamping claw (9) is rotatably connected to the axis of the limiting shaft (8). The ball set (10) is rotatably embedded in the inner recess of the clamping claw (9).

2. An insulated ladder for power construction according to claim 1, characterized in that, The ladder (1) has rotating rods (11) on both sides of its outer wall at both ends, and a set of fixing nails (12) is fixedly installed at the bottom of the outer wall of each rotating rod (11).

3. An insulated ladder for power construction according to claim 2, characterized in that, The ladder (1) is equipped with sliding wheels (13) on both sides of its bottom.

4. An insulated ladder for power construction according to claim 3, characterized in that, The outer wall of the sliding wheel (13) is coated with a rubber layer.

5. An insulated ladder for power construction according to claim 4, characterized in that, The ladder (1) has a folding function.

6. An insulated ladder for power construction according to claim 5, characterized in that, The cross-section of the clamping claw (9) is arc-shaped.