Flexible guide rail and anti-falling device

Abstract

The utility model relates to a kind of flexible guide rail and anti-falling equipment, including rail seat, rail seat is used to install to transmission tower, the inside of rail seat is formed with installation cavity, the surface of rail seat is also provided with the outlet of communication with installation cavity, the length extension direction of installation cavity and outlet is consistent with the climbing direction of electric power maintenance personnel on transmission tower, rail seat is made of rust-resistant material;Rail body, rail body is installed in installation cavity, rail body is made of flexible material;And sliding head, sliding head is slidably sleeved in the outside of rail body, and it is used to be connected with the connecting rope of the anti-falling device that enters from outlet.Precipitation, sunlight, wind and the like are not easy to cause rail seat, rail body and sliding head to produce corrosion damage, so that the flexible guide rail can be guaranteed enough structural strength and connection reliability when being used in outdoor complex environment for a long time, ensure the protection ability of anti-falling equipment, eliminate potential electric power maintenance personnel high fall safety hazard.

Description

Technical Field

[0001] This utility model relates to the technical field of power protection equipment, and in particular to a flexible guide rail and fall protection device. Background Technology

[0002] Transmission towers are a common type of power facility used in the power industry. They are typically built in open outdoor areas to erect transmission cables for power transmission. Because transmission towers operate in complex environments with varying climates and temperatures, maintenance personnel need to periodically climb to the top of the towers to inspect and maintain various electrical components to ensure normal operation.

[0003] To prevent falls and other safety accidents during power maintenance personnel's climbing, fall arrest devices need to be installed on transmission towers and connected to the personnel. A crucial component of these devices is the flexible guide rail, which connects directly to the transmission tower and provides direct protection for the fall arrestor and maintenance personnel. Therefore, it is typically made of metal. The fall arrestor has a sliding head that slides on the outside of the flexible guide rail and can move relative to it. Prolonged exposure to rain, snow, sunlight, and wind can easily cause corrosion of both the flexible guide rail and the sliding head, leading to reduced strength and assembly reliability. In severe cases, the sliding head may detach from the flexible guide rail, posing a fall hazard. Utility Model Content

[0004] The purpose of this utility model is to provide a flexible guide rail and a fall protection device to solve the safety risks caused by corrosion and damage.

[0005] According to one aspect of this utility model, a flexible guide rail is provided, comprising:

[0006] The rail base is used to be installed on the power transmission tower. The rail base has an internal mounting cavity and an extension opening communicating with the mounting cavity on its surface. The length extension direction of the mounting cavity and the extension opening are consistent with the climbing direction of the power maintenance personnel on the power transmission tower. The rail base is made of rust-resistant material.

[0007] A rail body, wherein the rail body is installed within the mounting cavity, and the rail body is made of a flexible material; and

[0008] A sliding head, which is slidably fitted onto the outside of the rail body and is used to connect to the connecting rope of the fall arrestor that passes through the protrusion.

[0009] In one embodiment, the track body includes an outer casing and a flexible core, the outer casing being disposed over the outside of the flexible core, and the sliding head being slidably connected to the outer peripheral wall of the outer casing.

[0010] In one embodiment, the flexible core includes multiple stainless steel strands arranged side by side to form a stranded wire bundle, and a support is filled in the gap between each stainless steel strand.

[0011] In one embodiment, the flexible guide rail further includes a first shielding plate and a second shielding plate, and the protrusion includes a first opening edge and a second opening edge spaced apart from each other. The first shielding plate is disposed at the first opening edge, and the second shielding plate is disposed at the second opening edge. The first shielding plate and the second shielding plate are capable of opening or closing the protrusion.

[0012] In one embodiment, the sliding head includes a sliding ring and a connecting assembly. The sliding ring is slidably fitted onto the outside of the rail body, and the connecting assembly is disposed on the outer ring wall of the sliding ring and is used to connect to the connecting rope of the fall arrester.

[0013] In one embodiment, the sliding head further includes a support frame and a plurality of rolling elements. The support frame is disposed in an annular cavity formed between the sliding ring and the rail body. The plurality of rolling elements are spaced apart along the circumferential direction on the support frame, and all the rolling elements are in rolling contact with the outer peripheral wall of the rail body and the inner annular wall of the sliding ring.

[0014] In one embodiment, the connecting assembly includes a connecting block and a connecting bolt, the connecting block being mounted on the sliding ring via the connecting bolt, and the connecting block being used to connect to the connecting rope of the fall arrester.

[0015] In one embodiment, the rolling element is a ball or a roller.

[0016] In one embodiment, the rail base is made of a corrosion-resistant material.

[0017] According to another aspect of the utility model, a fall arrest device is also provided, which includes the flexible guide rail as described above.

[0018] Implementing the embodiments of this utility model will have the following beneficial effects:

[0019] The flexible guide rail in this solution is used as a component of the fall arrest device. It is installed on power transmission towers. The rail body is installed within the mounting cavity of the rail base, and the rail body is connected to the fall arrest device's connecting rope via a sliding head. The safety belt of the fall arrest device is then worn by the power maintenance personnel, providing fall protection for them climbing the power transmission towers. Because the rail base is made of corrosion-resistant material, and the flexible rail body and sliding head are concealed inside the mounting cavity, rain, sunlight, and wind are unlikely to cause corrosion damage to the rail base, rail body, and sliding head. This ensures that the flexible guide rail maintains sufficient structural strength and connection reliability even when used for extended periods in complex outdoor environments, guaranteeing the fall arrest device's protective capabilities and eliminating potential safety hazards from falls by power maintenance personnel. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a top view of a flexible guide rail according to one embodiment;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the flexible guide rail;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of a track body according to one embodiment.

[0024] in:

[0025] 100. Flexible guide rail; 10. Rail base; 11. Mounting cavity; 12. Protrusion; 20. Rail body; 21. Outer sleeve; 22. Flexible core; 221. Stainless steel stranded wire; 30. Sliding head; 31. Sliding ring; 32. Connecting assembly; 33. Support frame; 34. Rolling element; 40. First shielding plate; 50. Second shielding plate; 200. Connecting rope. Detailed Implementation

[0026] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. Preferred embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0027] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0029] Please refer to Figures 1-3 The flexible guide rail 100 described in one embodiment includes a rail base 10 for mounting on a power transmission tower. The rail base 10 has an internal mounting cavity 11, and the surface of the rail base 10 has an extension opening 12 communicating with the mounting cavity 11. The length extension directions of the mounting cavity 11 and the extension opening 12 are consistent with the climbing direction of power maintenance personnel on the power transmission tower. The rail base 10 is made of a corrosion-resistant material. The rail body 20 is installed in the mounting cavity 11 and is made of a flexible material. The sliding head 30 is slidably sleeved on the outside of the rail body 20 and is used to connect with the connecting rope 200 of the fall arrester that passes through the extension opening 12.

[0030] Implementing this utility model embodiment will have the following beneficial effects: The flexible guide rail 100 of this solution serves as a component of the fall arrest device. When in use, it is installed on a power transmission tower. A rail body 20 is installed inside the mounting cavity 11 of the rail base 10. The rail body 20 can be connected to the connecting rope 200 of the fall arrest device via a sliding head 30. The safety belt of the fall arrest device is then worn by the power maintenance personnel, thus providing fall protection for power maintenance personnel climbing the power transmission tower. Since the rail base 10 is made of corrosion-resistant material, and the flexible rail body 20 and sliding head 30 are concealed inside the mounting cavity 11, rain, sunlight, and wind are unlikely to cause corrosion damage to the rail base 10, rail body 20, and sliding head 30. This ensures that the flexible guide rail 100 maintains sufficient structural strength and connection reliability even when used for extended periods in complex outdoor environments, ensuring the fall arrest device's protective capability and eliminating potential safety hazards from falls by power maintenance personnel.

[0031] For example, the corrosion-resistant material used in the rail base 10 can be high-strength stainless steel, high-strength aluminum alloy, high-strength alloy steel, etc.

[0032] The rail base 10 is a long strip component with a rectangular cross-section. It has a simple structure, is easy to manufacture and form, and has low cost. The rail base 10 can be assembled and fixed to the tower body or cable of the power transmission tower using any method such as threaded connection or snap-fit ​​connection.

[0033] It is easy to understand that since the rail body 20 and the sliding head 30 can be protected and shielded by the rail seat 10, rain, snow, sunlight and other external environmental factors will not be able to directly contact the rail body 20 and the sliding head 30, thus avoiding corrosion of the rail body 20 and the sliding head 30.

[0034] Please see Figure 2 and Figure 3 In one embodiment, the track body 20 includes an outer casing 21 and a flexible core 22. The outer casing 21 covers the outside of the flexible core 22, and the sliding head 30 is slidably connected to the outer peripheral wall of the outer casing 21. The outer casing 21 encloses the flexible core 22 internally, further isolating and protecting the flexible core 22. The flexible core 22 has sufficient structural strength, so after being connected to power maintenance personnel through a fall arrestor, it can provide reliable protection for power maintenance personnel.

[0035] Specifically, the flexible core 22 includes multiple stainless steel strands 221, which are arranged side-by-side and closely attached to each other to form a stranded wire bundle. Supports are filled in the gaps between the stainless steel strands 221. Using multiple stainless steel strands 221 arranged closely together to form the stranded wire bundle not only simplifies the structure but also provides sufficient structural strength, offering strong support and restraint for electrical maintenance personnel. The supports placed in the gaps restrain the stainless steel strands 221, preventing relative rolling between them and thus maintaining the structural stability of the flexible core 22.

[0036] For example, in this application, the stainless steel stranded wire 221 is specifically made of 304 stainless steel. The rail body 20 has a cylindrical structure with a diameter of 12mm, and the diameter of a single stainless steel stranded wire 221 is 2.4mm. The breaking force of the rail body 20 is greater than or equal to 101KN.

[0037] Please see Figure 1Furthermore, the flexible guide rail 100 also includes a first shielding plate 40 and a second shielding plate 50. The protrusion 12 includes a first opening edge and a second opening edge spaced apart from each other. The first shielding plate 40 is disposed on the first opening edge, and the second shielding plate 50 is disposed on the second opening edge. The first shielding plate 40 and the second shielding plate 50 can open or close the protrusion 12. In the initial state, the first shielding plate 40 and the second shielding plate 50 are in contact with each other and closed to close the protrusion 12, thereby further effectively preventing rain, snow, sunlight, etc. from the external environment from entering the mounting cavity 11 and causing corrosion damage to the rail body 20 and the sliding head 30. Preferably, the first shielding plate 40 and the second shielding plate 50 are made of elastic plastic sheets. When the connecting rope 200 slides through the area, the first shielding plate 40 and the second shielding plate 50 will be squeezed away by the connecting rope 200. After the connecting rope 200 passes, the first shielding plate 40 and the second shielding plate 50 can automatically reset under the action of elasticity and close the protrusion 12 again, which has a long-lasting and stable shielding effect.

[0038] Please see Figure 2 In one embodiment, the sliding head 30 includes a sliding ring 31 and a connecting assembly 32. The sliding ring 31 is slidably fitted onto the outside of the rail body 20, and the connecting assembly 32 is disposed on the outer ring wall of the sliding ring 31 and is used to connect to the connecting rope 200 of the fall arrestor. The sliding ring 31 slides relative to the rail body 20, allowing the entire fall arrestor to move along with the power maintenance personnel who are climbing to higher positions, avoiding interference with the climbing operation.

[0039] Furthermore, the sliding head 30 also includes a support frame 33 and a plurality of rolling elements 34. The support frame 33 is disposed in the annular cavity formed between the sliding ring 31 and the rail body 20. The plurality of rolling elements 34 are spaced apart along the circumferential direction on the support frame 33, and all rolling elements 34 are in rolling contact with the outer peripheral wall of the rail body 20 and the inner annular wall of the sliding ring 31. The support frame 33 is used to maintain the relative position of the plurality of rolling elements 34, and through the rolling contact between the rolling elements 34 and the rail body 20 and the sliding ring 31, the frictional resistance of the sliding ring 31 moving relative to the rail body 20 is reduced, thereby reducing the load burden imposed on power maintenance personnel by the fall arrestor.

[0040] For example, the rolling element 34 can be made of balls, rollers, etc. The support frame 33 is made of a flexible, wear-resistant, and high-strength material, such as epoxy resin.

[0041] To facilitate quick connection or separation between the connecting rope 200 and the flexible guide rail 100, and to improve the ease of use and user experience of the fall arrest device, in one embodiment, the connecting component 32 includes a connecting block and a connecting bolt. The connecting block is mounted on the sliding ring 31 by the connecting bolt, and the connecting block is used to connect with the connecting rope 200 of the fall arrest device.

[0042] According to another aspect of the utility model, a fall protection device is also provided, which includes the flexible guide rail 100 as described above.

[0043] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A flexible guide rail, characterized in that, include: The rail base is used to be installed on the power transmission tower. The rail base has an internal mounting cavity and an extension opening communicating with the mounting cavity on its surface. The length extension direction of the mounting cavity and the extension opening are consistent with the climbing direction of the power maintenance personnel on the power transmission tower. The rail base is made of rust-resistant material. A rail body, wherein the rail body is installed within the mounting cavity, and the rail body is made of a flexible material; and A sliding head, which is slidably fitted onto the outside of the rail body and is used to connect to the connecting rope of the fall arrestor that passes through the protrusion.

2. The flexible guide rail according to claim 1, characterized in that, The track body includes an outer casing and a flexible core. The outer casing covers the outside of the flexible core, and the sliding head is slidably connected to the outer peripheral wall of the outer casing.

3. The flexible guide rail according to claim 2, characterized in that, The flexible core comprises multiple stainless steel strands arranged side by side to form a stranded wire bundle, and a support body is filled in the gaps between the stainless steel strands.

4. The flexible guide rail according to claim 1, characterized in that, The flexible guide rail further includes a first shielding plate and a second shielding plate. The protrusion includes a first opening edge and a second opening edge spaced apart from each other. The first shielding plate is disposed on the first opening edge, and the second shielding plate is disposed on the second opening edge. The first shielding plate and the second shielding plate can open or close the protrusion.

5. The flexible guide rail according to claim 1, characterized in that, The sliding head includes a sliding ring and a connecting assembly. The sliding ring is slidably fitted onto the outside of the rail body, and the connecting assembly is disposed on the outer ring wall of the sliding ring and is used to connect with the connecting rope of the fall arrester.

6. The flexible guide rail according to claim 5, characterized in that, The sliding head also includes a support frame and a plurality of rolling elements. The support frame is disposed in the annular cavity formed between the sliding ring and the rail body. The plurality of rolling elements are spaced apart along the circumferential direction on the support frame, and all the rolling elements are in rolling contact with the outer peripheral wall of the rail body and the inner annular wall of the sliding ring.

7. The flexible guide rail according to claim 5, characterized in that, The connecting assembly includes a connecting block and a connecting bolt. The connecting block is mounted on the sliding ring by the connecting bolt, and the connecting block is used to connect with the connecting rope of the fall arrestor.

8. The flexible guide rail according to claim 6, characterized in that, The rolling element is either a ball bearing or a roller.

9. The flexible guide rail according to claim 1, characterized in that, The rail base is made of corrosion-resistant material.

10. A fall protection device, characterized in that, Including the flexible guide rail as described in any one of claims 1 to 9.

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