Hanging ladder stand for power transmission tower
By designing the suspension fixing mechanism and anti-slip mechanism on the suspension ladder for power transmission towers, the problem of the device being unable to be inserted in sections and not convenient to be anti-slip is solved, and the device is easily assembled, and the device is improved in a convenient assembly, stability and safety.
Patent Information
- Application Number
- CN202420242386.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The existing power transmission towers cannot be inserted and assembled in sections with suspended ladders, and it is not convenient to climb the ladders to prevent slip, resulting in safety hazards and inconvenient use.
A suspension ladder for power transmission towers including a suspension fixing mechanism and an anti-slip mechanism is designed. The suspension fixing mechanism is fixed through the engagement connection between the insertion rod and the slot and the threaded fixing of the fixing rod, and the threaded fixing of the hanging plate and the limiting rod, realizing segmented plug-in assembly. The anti-slip mechanism is fixed by the threads of the anti-slip plate and the crossbar. The uneven surface of the anti-slip plate is designed to prevent the soles of the foot from slipping.
It realizes convenient assembly and disassembly of the device, improves the stability and safety of the device, and reduces shaking and safety hazards during use.
Smart Images

Figure CN222501609U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the relevant field of suspension ladders, in particular to a suspension ladder for a power transmission tower. Background Art
[0002] The transmission tower is the supporting point of the overhead line. If one circuit is erected on the transmission tower, it is a single-circuit transmission tower, and if two circuits are erected on the transmission tower, it is a double-circuit transmission tower. At present, during the construction of the transmission line, in order to facilitate the construction of the side structure above the tower, it is necessary to set a hanging ladder above the tower. When the hanging ladder is in use, it is usually hung on the cross arm of the tower with a simple hook. Mistakes are easy to occur during the ladder operation, resulting in safety accidents. Therefore, a hanging ladder for a transmission tower is needed.
[0003] The existing patent document with the technical disclosure number CN202320317744.0 provides a suspension ladder for transmission tower, which belongs to the field of suspension ladder. It includes a footrest, a hollow tube, an insulating rope and a fixing mechanism. The utility model sets a fixing mechanism on the outside of the hollow tube, drives the rubber sheet and the protrusion to move inward through the pressure plate, so that the pressure plate cooperates with the U-shaped hook to be clamped and fixed on the outside of the cross arm, and the U-shaped hook drives the hollow tube and the footrest to fix the position, so as to achieve the beneficial effect of strengthening the fixing of the suspension ladder, reducing the shaking of the suspension ladder during use, reducing safety hazards, and improving the practicality of the suspension ladder. However, when the CN202320317744.0 technology is operated, the device cannot be assembled in sections, which is not convenient for the ladder to prevent slipping. Therefore, a suspension ladder for transmission tower is urgently needed. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide a suspension ladder for a transmission tower to solve the problem that the existing suspension ladder for a transmission tower cannot be assembled in sections during use and is not convenient for preventing the ladder from slipping.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hanging ladder for a transmission tower, comprising a ladder body, an outer wall of the ladder body being equipped with a hanging fixing mechanism, the hanging fixing mechanism comprising an insertion rod, a slot, a fixing rod, a hanging plate and a limiting rod, an insertion rod being welded to the lower end of the ladder body, a slot being provided on the inner wall of the upper end of the ladder body, a fixing rod being installed on the inner wall of the slot, a hanging plate being welded to the outer wall of the ladder body, and a limiting rod being installed on the inner wall of the hanging plate.
[0006] An anti-slip mechanism is installed on the outer wall of the ladder body.
[0007] A protective net is installed on the outer wall of the ladder body.
[0008] Preferably, the outer wall size of the insertion rod matches the inner wall size of the slot, and the insertion rod is threadedly fixed to the slot via a fixing rod.
[0009] Preferably, the anti-slip mechanism includes a cross bar, an anti-slip plate, a fixed shaft and a sleeve rod, the outer wall of the ladder body is installed with a cross bar, the outer wall of the cross bar is installed with an anti-slip plate, the inner wall of the anti-slip plate is installed with a fixed shaft, and the outer wall of the cross bar is welded with a sleeve rod.
[0010] Preferably, the anti-skid plate is threadedly fixed to the cross bar via a fixed shaft, and the sleeve rod is symmetrically arranged with the central axis of the cross bar as the axis of symmetry.
[0011] Preferably, the ladder body and the protective net are fixed by welding, and the protective nets are arranged at equal intervals on the outer side wall of the ladder body.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model provides a hanging fixing mechanism, wherein the plug rod is engaged with the slot and fixed by a fixing rod thread, and the hanging plate is fixed by a limiting rod thread with the outer wall of the tower body of the transmission tower. When the device is used, the setting of the plug rod and the slot facilitates segmented plugging of the device, and facilitates the installation, disassembly and maintenance of the ladder body, thereby increasing the convenience of the device. The limiting rod is distributed in a rectangular array along the central axis of the outer wall of the hanging plate, thereby increasing the contact area of the device and improving the stability of the device.
[0014] 2. The utility model has an anti-skid mechanism, in which the anti-skid plate is fixed to the cross bar by a fixed shaft and a thread, and the surface of the anti-skid plate is arranged in a concave-convex shape. When the device is used, the setting of the anti-skid plate prevents the workers from slipping when climbing the ladder, thereby increasing the safety of the device. The setting of the sleeve rod enables the workers to alternately sleeve the sleeve safety rope on the outer wall of the sleeve rod in the process of climbing the ladder, thereby achieving double protection. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of the utility model from the front;
[0016] Figure 2 It is a schematic diagram of the structure of the utility model from the side;
[0017] Figure 3 This is a structural schematic diagram of the suspension fixing mechanism of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the anti-skid mechanism of the utility model.
[0019] In the figure: 1. ladder body; 2. hanging fixing mechanism; 201. plug rod; 202. slot; 203. fixing rod; 204. hanging plate; 205. limit rod; 3. anti-skid mechanism; 301. cross bar; 302. anti-skid plate; 303. fixing shaft; 304. sleeve rod; 4. protective net. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0021] The following describes an embodiment of the utility model based on its overall structure.
[0022] See also Figure 1-4 A suspension ladder for a transmission tower includes a ladder body 1, an outer wall of the ladder body 1 is equipped with a suspension fixing mechanism 2, the suspension fixing mechanism 2 includes an insertion rod 201, a slot 202, a fixing rod 203, a hanging plate 204 and a limiting rod 205, the lower end of the ladder body 1 is welded with the insertion rod 201, the upper inner wall of the ladder body 1 is provided with a slot 202, the inner wall of the slot 202 is equipped with a fixing rod 203, the outer wall of the ladder body 1 is welded with a hanging plate 204, the inner wall of the hanging plate 204 is equipped with a limiting rod 205, the outer wall size of the insertion rod 201 matches the inner wall size of the slot 202, the insertion rod 201 The fixing rod 203 is threadedly fixed to the slot 202, and the insertion rod 201 is engaged with the slot 202 through the provided hanging fixing mechanism 2, and is threadedly fixed through the fixing rod 203. The hanging plate 204 is threadedly fixed to the outer wall of the tower body of the transmission tower through the limiting rod 205. When the device is in use, the setting of the insertion rod 201 and the slot 202 facilitates the segmented plug-in of the device, and facilitates the installation, disassembly and maintenance of the ladder body 1, thereby increasing the convenience of the device. The limiting rod 205 is distributed in a rectangular array along the central axis of the outer wall of the hanging plate 204, thereby increasing the contact area for fixing the device and improving the stability of the device.
[0023] See also Figure 1-4A suspension ladder for a transmission tower, wherein an anti-skid mechanism 3 is installed on the outer wall of a ladder body 1, and the anti-skid mechanism 3 includes a crossbar 301, an anti-skid plate 302, a fixed shaft 303 and a sleeve rod 304. The outer wall of the ladder body 1 is installed with a crossbar 301, an anti-skid plate 302 is installed on the outer wall of the crossbar 301, a fixed shaft 303 is installed on the inner wall of the anti-skid plate 302, and a sleeve rod 304 is welded on the outer wall of the crossbar 301. The anti-skid plate 302 is threadedly fixed to the crossbar 301 through the fixed shaft 303, and the sleeve rod 304 is connected to the crossbar 301. The central axis of 01 is symmetrically arranged as an axis of symmetry. Through the anti-skid mechanism 3, the anti-skid plate 302 is threadedly fixed to the cross bar 301 through the fixed shaft 303, and the surface of the anti-skid plate 302 is arranged in a concave-convex distribution. When using the device, the setting of the anti-skid plate 302 prevents the workers from slipping when climbing the ladder, thereby increasing the safety of the device. The setting of the sleeve rod 304 enables the workers to alternately sleeve the sleeve safety rope on the outer wall of the sleeve rod 304 during the ladder climbing process for double protection.
[0024] See also Figure 1-4 A suspension ladder for a transmission tower, wherein a protective net 4 is installed on the outer wall of a ladder body 1, the ladder body 1 and the protective net 4 are welded and fixed, and the protective net 4 is evenly spaced and distributed on the outer wall of the ladder body 1.
[0025] Working principle: When in use, first move the device to the desired position, then engage the plug rod 201 with the slot 202 and fix it with threads through the fixing rod 203, and the hanging plate 204 is fixed with threads through the limiting rod 205 to the outer wall of the tower body of the transmission tower. When using the device, the setting of the plug rod 201 and the slot 202 enables the device to be assembled in sections, which is convenient for the installation, disassembly and maintenance of the ladder body 1, increasing the convenience of the device, and if the ladder body 1 is damaged, only the damaged section needs to be replaced, reducing the maintenance cost, and the limiting rod 205 is distributed in a rectangular array with the central axis of the outer wall of the hanging plate 204, which increases the contact area of the device and improves the stability of the device, and then The anti-skid plate 302 is then threadedly fixed to the cross bar 301 through the fixed shaft 303, and the surface of the anti-skid plate 302 is arranged in a concave-convex shape. When the device is in use, the setting of the anti-skid plate 302 prevents the workers from slipping when climbing the ladder, thereby increasing the safety of the device. The setting of the sleeve rod 304 allows the workers to alternately sleeve the sleeve safety rope on the outer wall of the sleeve rod 304 during the ladder climbing process to achieve double protection. Finally, the setting of the protective net 4 provides protection for the workers while providing support for the workers to turn around. This completes the use process of the device. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.
[0026] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.
[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A suspension ladder for a transmission tower, comprising a ladder body (1), characterized in that: The outer wall of the ladder body (1) is installed with a hanging and fixing mechanism (2), and the hanging and fixing mechanism (2) comprises an insertion rod (201), a slot (202), a fixing rod (203), a hanging plate (204) and a limiting rod (205); the lower end of the ladder body (1) is welded with the insertion rod (201), the upper inner wall of the ladder body (1) is provided with a slot (202), the inner wall of the slot (202) is installed with the fixing rod (203), the outer wall of the ladder body (1) is welded with a hanging plate (204), and the inner wall of the hanging plate (204) is installed with the limiting rod (205); The outer wall of the ladder body (1) is provided with an anti-slip mechanism (3); A protective net (4) is installed on the outer wall of the ladder body (1).
2. A suspension ladder for a power transmission tower according to claim 1, characterized in that: The outer wall size of the insertion rod (201) matches the inner wall size of the slot (202), and the insertion rod (201) is threadedly fixed to the slot (202) via a fixing rod (203).
3. The suspension ladder for a power transmission tower according to claim 1, characterized in that: The anti-slip mechanism (3) comprises a cross bar (301), an anti-slip plate (302), a fixed shaft (303) and a sleeve rod (304); the outer wall of the ladder body (1) is provided with the cross bar (301), the outer wall of the cross bar (301) is provided with the anti-slip plate (302), the inner wall of the anti-slip plate (302) is provided with the fixed shaft (303), and the outer wall of the cross bar (301) is welded with the sleeve rod (304).
4. A suspension ladder for a power transmission tower according to claim 3, characterized in that: The anti-slide plate (302) is threadedly fixed to the cross bar (301) via a fixed shaft (303), and the sleeve rod (304) is symmetrically arranged with the central axis of the cross bar (301) as the symmetry axis.
5. The suspension ladder for a power transmission tower according to claim 1, characterized in that: The ladder body (1) and the protective net (4) are fixed by welding, and the protective nets (4) are arranged at equal intervals on the outer side wall of the ladder body (1).
Citation Information
Patent Citations
Hanging ladder stand for power transmission tower
CN219910622U