Wall connecting component of safety crawling ladder in tower drum

By combining cantilever supports and sidings with a three-stage adjustment system consisting of detachable adapter plates and clamps, the positioning difficulties and structural stability issues of the safety ladder wall ties inside the tower were resolved, achieving multi-directional adjustment and improved structural stability.

CN224120185UActive Publication Date: 2026-04-14GUOTOU GUIZHOU NEW ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUOTOU GUIZHOU NEW ENERGY CO LTD
Filing Date
2025-05-06
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

The existing safety ladders inside the tower are difficult to position, not easy to adjust, and it is difficult to ensure structural stability.

Method used

The design combines cantilever brackets and mounting plates, along with detachable adapter plates and clamps, to form a three-level adjustment system. Through the Y-shaped folding plate clamping mechanism and the double cantilever bracket design, multi-dimensional adjustment and structural stability are achieved. The composite angle steel structure of cantilever brackets and diagonal braces, as well as the back plate pre-embedded positioning system, enhance installation tolerance and stability.

Benefits of technology

It achieves multi-directional adjustment of the safety ladder, significantly improves installation tolerance and structural stability, reduces construction difficulty, and forms a multi-layer anti-loosening structure through a double bolt locking mechanism.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a wall connecting component of a safety crawling ladder in a tower drum, and belongs to the technical field of auxiliary operation and maintenance equipment devices of wind power tower drums. The device comprises a cantilever support installed at the position of an embedded part on the inner side wall of a tower. A butt strap is arranged at the extending end of the cantilever support. The butt strap is horizontally arranged, and a pair of switching assemblies is fixed to the butt strap. A plurality of strip-shaped holes are formed in the switching assembly; clamping plates used for being connected with a safety crawling ladder are detachably mounted at the strip holes in the two switching assemblies; the utility model effectively solves the problems that the wall connecting piece of the safety crawling ladder in the currently used tower drum is difficult to position, the position is difficult to adjust, and the structural stability is difficult to guarantee.
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Description

Technical Field

[0001] This utility model relates to the technical field of auxiliary operation and maintenance equipment for wind turbine towers, specifically to a wall-connecting component for a safety ladder inside a tower. Background Technology

[0002] To maintain wind turbine towers, safety ladders are typically installed inside the tower. To ensure the stability of these ladders, wall ties are needed to maintain a stable connection with the tower's inner wall. Currently used wall ties are relatively simple, often consisting of a support plate directly attached to a pre-embedded connector on the tower, which then connects to the safety ladder. This connection structure obviously requires accurate alignment between the pre-embedded connector and the corresponding connection point on the safety ladder; otherwise, it becomes difficult to adjust the installation position. Even after adjustment, the stability of the overall structure cannot be guaranteed. This is the main problem currently faced. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a wall-connecting component for a safety ladder inside a tower, so as to solve the problems of difficult positioning, difficulty in position adjustment, and difficulty in ensuring structural stability of the wall-connecting components of the current safety ladder inside the tower.

[0004] To solve the above problems, this utility model provides the following technical solution:

[0005] A wall-connecting component for a safety ladder inside a tower; it includes a cantilever support installed at the location of an embedded part on the inner sidewall of the tower; a step plate is provided on the extended end of the cantilever support; the step plate is horizontally arranged, and a pair of transition components are fixed on the step plate; a plurality of slots are provided on the transition components; clamps for connecting the safety ladder are detachably installed at the slots on both transition components.

[0006] Preferably, two cantilever supports are provided at the same horizontal height on the inner wall of the tower; each cantilever support includes a support rod and a diagonal brace, both of which are cantilevered; the support rod is arranged along the horizontal plane, and the extended end of the diagonal brace is inclined upward toward the extended end of the support rod; the jacking plate is installed at the extended end of the support rod and the diagonal brace.

[0007] Furthermore, both the support rod and the diagonal brace are made of angle steel, with a back plate at one end of each; positioning holes that match the embedded parts are opened on the back plate.

[0008] Preferably, the ramp is a C-shaped structure spliced ​​together from three angle steels; the adapter assembly is installed on the end plane of the open side of the ramp; and the cantilever bracket is installed on the back side of the ramp.

[0009] Furthermore, the distance between the two adapter components is greater than the width of the safety ladder.

[0010] Preferably, the adapter assembly includes a cantilever support plate fixed to the mounting plate; an adapter plate is detachably installed on the cantilever support plate; the adapter plate is a structure similar to an angle steel; the slots include a horizontal slot one opened on the cantilever support plate, and a vertical slot one and a horizontal slot two opened on the corresponding two side plates of the adapter plate.

[0011] Furthermore, the cantilever support plate and the adapter plate are detachably connected by bolt assemblies located at one horizontal bar hole and one vertical bar hole; a second vertical bar hole is provided on the clamping plate; the clamping plate and the adapter plate are detachably connected by bolt assemblies located at the second horizontal bar hole and the second vertical bar hole.

[0012] Furthermore, there are two horizontal holes, four horizontal holes, and only one vertical hole each.

[0013] Preferably, the clamping plate includes a Y-shaped folded plate; the forked portion of the Y-shaped folded plate bends toward the safety ladder; a rear connecting plate is provided at the tail end of the Y-shaped folded plate, and front connecting plates are provided at its two front ends; the rear connecting plate is detachably connected to the adapter assembly; the front connecting plate is installed on the safety ladder.

[0014] The beneficial effects of this utility model are:

[0015] 1. Multi-directional adjustment function: Through the adapter and several horizontal and vertical holes on the clamp, the safety ladder can be adjusted in multiple dimensions in all directions, effectively solving the problem of misalignment between the embedded parts and the ladder;

[0016] 2. The combination design of cantilever bracket and mounting plate, combined with detachable adapter plate and clamp, forms a three-level adjustment system, which significantly improves the installation tolerance.

[0017] 3. Enhanced structural stability: The innovative Y-shaped folding plate clamping mechanism and double cantilever support design, through the triangular stabilizing structure and the principle of force transmission, evenly distribute the ladder load to the inner wall of the tower.

[0018] 4. The cantilever support adopts a composite angle steel structure of support rods and diagonal braces, combined with a pre-embedded positioning system in the back plate, forming a double reinforcement node, which greatly reduces the difficulty of construction;

[0019] 5. The adapter assembly and clamping plate adopt a double bolt locking mechanism, which utilizes the bidirectional constraint between two sets of horizontal and vertical holes to form a multi-layer anti-loosening structure. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural schematic diagram of the present invention in an embodiment;

[0021] Figure 2 yes Figure 1A three-dimensional structural diagram showing the separation of the adapter assembly after the clamping plate is removed from the central device;

[0022] Figure 3 This is a three-dimensional structural diagram of a single-sided clamp in this embodiment;

[0023] Explanation of reference numerals in the attached drawings: 1. Cantilever bracket, 2. Platform, 3. Adapter assembly, 4. Clamping plate, 11. Support rod, 12. Diagonal brace, 13. Back plate, 31. Cantilever support plate, 32. Adapter plate, 33. Horizontal bar hole one, 34. Vertical bar hole one, 35. Horizontal bar hole two, 41. Vertical bar hole two, 42. Folding plate, 43. Rear connecting plate, 44. Front connecting plate. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:

[0025] Example:

[0026] Reference Figure 1 This embodiment provides a wall-connecting component for a safety ladder inside a tower; it includes a cantilever bracket 1 installed at the location of an embedded part on the inner side wall of the tower; a step plate 2 is provided on the extended end of the cantilever bracket 1; the step plate 2 is horizontally arranged, and a pair of transition components 3 are fixed on the step plate 2; a plurality of slots are provided on the transition components 3; and clamps 4 for connecting the safety ladder are detachably installed at the slots on both transition components 3.

[0027] Two cantilever supports 1 are provided at the same horizontal height on the inner wall of the tower. Each cantilever support 1 includes a support rod 11 and a diagonal brace 12, both of which are cantilevered. The support rod 11 is arranged along the horizontal plane, and the extended end of the diagonal brace 12 is inclined towards the extended end of the support rod 11. The mounting plate 2 is installed at the extended end of the support rod 11 and the diagonal brace 12.

[0028] Both the support rod 11 and the diagonal brace 12 are made of angle steel, and a back plate 13 is provided at one end of both; a positioning hole that matches the embedded part is opened on the back plate 13.

[0029] The ramp 2 is a C-shaped structure made of three angle steels; the adapter assembly 3 is installed on the end plane of the open side of the ramp 2; the cantilever bracket 1 is installed on the back side of the ramp 2. In this embodiment, the support rod 11 and the diagonal brace 12 are respectively connected to the back corner and the bottom surface of the ramp 2.

[0030] The distance between the two adapter components 3 is greater than the width of the safety ladder.

[0031] The adapter assembly 3 includes a cantilever support plate 31 fixed on the mounting plate 2; an adapter plate 32 is detachably installed on the cantilever support plate 31; the adapter plate 32 is a structure similar to an angle steel; the slots include a horizontal slot 33 on the cantilever support plate 31, and a vertical slot 34 and a horizontal slot 35 on the corresponding two side plates of the adapter plate 32.

[0032] The cantilever support plate 31 and the adapter plate 32 are detachably connected by bolt assemblies provided at the first horizontal bar hole 33 and the first vertical bar hole 34; the clamping plate 4 has a second vertical bar hole 41; the clamping plate 4 and the adapter plate 32 are detachably connected by bolt assemblies provided at the second horizontal bar hole 35 and the second vertical bar hole 41.

[0033] There are two horizontal bar holes 33, four horizontal bar holes 35, and only one vertical bar hole 34 and one vertical bar hole 41. Horizontal bar holes 33 and 35 are evenly and symmetrically distributed on the cantilever support plate and the transition plate, respectively.

[0034] The clamping plate 4 includes a Y-shaped folded plate 42; the forked portion of the Y-shaped folded plate 42 bends towards the safety ladder; a rear connecting plate 43 is provided at the tail end of the Y-shaped folded plate 42, and front connecting plates 44 are provided at its two front ends; the rear connecting plate 43 is detachably connected to the adapter assembly 3; the front connecting plate 44 is installed on the safety ladder. In this embodiment, the second vertical slot is arranged on the rear connecting plate.

[0035] When using the utility model device in this embodiment, the following process can be referred to:

[0036] Step 1: Clean the surface of the tower's embedded parts and locate the installation positions of the two sets of cantilever supports; fasten the support rods and the back plates of the diagonal braces to the embedded parts;

[0037] Step 2: Align the vertical hole 1 of the adapter plate with the horizontal hole 1 of the cantilever support plate, insert the bolt and pre-tighten it;

[0038] Step 3: Align the second vertical strip hole of the connecting plate behind the clamp with the second horizontal strip hole of the adapter plate, insert the bolts but do not tighten them yet; hoist the safety ladder between the two clamps, manually adjust the position of the clamps so that the Y-shaped clamp covers the ladder column; fine-tune the relative position between the clamps and the connecting plate, and tighten them after fine-tuning.

[0039] Step 4: Install the safety ladder onto the Y-shaped folding plate.

Claims

1. A wall tie member for a safety climbing ladder within a tower, characterized by: It includes a cantilever support (1) installed at the location of the embedded part on the inner side wall of the tower; a step plate (2) is provided on the extended end of the cantilever support (1); the step plate (2) is horizontally arranged, and a pair of transition components (3) are fixed on the step plate (2); a number of slots are provided on the transition components (3); and clamps (4) for connecting safety ladders are detachably installed at the slots on both transition components (3).

2. The wall ties for a safety ladder inside a tower as described in claim 1, characterized in that: Two cantilever supports (1) are provided at the same horizontal height on the inner wall of the tower. Each cantilever support (1) includes a cantilevered support rod (11) and a diagonal brace (12). The support rod (11) is arranged along the horizontal plane, and the extended end of the diagonal brace (12) is inclined towards the extended end of the support rod (11). The mounting plate (2) is installed at the extended end of the support rod (11) and the diagonal brace (12).

3. The wall ties for a safety ladder inside a tower according to claim 2, characterized in that: Both the support rod (11) and the diagonal brace (12) are made of angle steel, and a back plate (13) is provided at one end of both; a positioning hole that matches the embedded part is opened on the back plate (13).

4. The wall ties for a safety ladder inside a tower as described in claim 1, characterized in that: The platform (2) is a C-shaped structure spliced ​​from three angle steels; the adapter (3) is installed on the end plane of the open side of the platform (2); the cantilever bracket (1) is installed on the back side of the platform (2).

5. The wall ties for a safety ladder inside a tower as described in claim 1 or 4, characterized in that: The distance between the two adapter components (3) is greater than the width of the safety ladder.

6. The wall ties for a safety ladder inside a tower according to claim 1, characterized in that: The adapter assembly (3) includes a cantilever support plate (31) fixed on the mounting plate (2); an adapter plate (32) is detachably installed on the cantilever support plate (31); the adapter plate (32) is a structure similar to an angle steel; the slots include a horizontal slot one (33) opened on the cantilever support plate (31), and a vertical slot one (34) and a horizontal slot two (35) opened on the two corresponding side plates of the adapter plate (32).

7. The wall ties for a safety ladder inside a tower according to claim 6, characterized in that: The cantilever support plate (31) and the adapter plate (32) are detachably connected by bolt assemblies provided at the first horizontal bar hole (33) and the first vertical bar hole (34); the clamping plate (4) has a second vertical bar hole (41); the clamping plate (4) and the adapter plate (32) are detachably connected by bolt assemblies provided at the second horizontal bar hole (35) and the second vertical bar hole (41).

8. The wall ties for a safety ladder inside a tower according to claim 7, characterized in that: There are two horizontal strip holes (33), four horizontal strip holes (35), and only one vertical strip hole (34) and one vertical strip hole (41).

9. The wall ties for a safety ladder inside a tower according to claim 1, characterized in that: The clamp (4) includes a Y-shaped folding plate (42); the forked portion of the Y-shaped folding plate (42) bends toward the safety ladder; a rear connecting plate (43) is provided at the tail end of the Y-shaped folding plate (42), and a front connecting plate (44) is provided at its two front ends; the rear connecting plate (43) is detachably connected to the adapter assembly (3); the front connecting plate (44) is installed on the safety ladder.