A safety rope anti-sway device for steel pipe poles

Abstract

This utility model relates to the field of safety rope anti-sway technology, and in particular to a safety rope anti-sway device for steel pipe poles. It includes a connecting plate with two U-bolts for connecting the steel pipe pole. A hoop assembly for limiting the safety rope is also fixedly mounted on the connecting plate via a bracket. The hoop assembly is spaced apart from the connecting plate. This device, through the two U-bolts on the connecting plate, can be adapted to steel pipe poles and ladder poles to achieve a stable connection, effectively solving the mismatch problem of existing angle steel tower anti-sway devices. Simultaneously, the spaced arrangement of the hoop assembly and the connecting plate can suppress the wind sway amplitude of the steel strand, ensuring normal sliding of the fall arrestor, improving the safety of high-altitude workers, reducing the impact of the steel strand on the tower components, extending the service life of the steel strand, and protecting the galvanized layer of the tower components.

Description

Technical Field

[0001] This utility model relates to the field of safety rope anti-sway technology, and in particular to a safety rope anti-sway device for steel pipe poles. Background Technology

[0002] In the field of power transmission line operation and maintenance, steel pipe poles are widely used in the construction of high-voltage transmission lines due to their advantages such as structural stability and small footprint. To ensure the safety of personnel working at heights (such as line inspection and maintenance personnel), ladders are installed radially on the steel pipe poles, and fall arrest devices are also provided. Among these, the most common solution is to use steel strands as sliding guides for the fall arresters. This solution uses tensioning devices at both ends of the steel pipe pole to straighten and fix the steel strands, allowing the fall arresters of the workers to slide up and down along the steel strands, thus forming reliable fall protection. However, since steel pipe poles are usually tens of meters high, the length of the steel strand guides is correspondingly long. Even if the steel strands are pulled to a taut state by tensioning devices at both ends, they will still produce significant lateral swaying (i.e., "wind sway") under wind force. When the wind load is large, the swaying steel strands will repeatedly strike the tower components of the steel pipe pole, which not only easily leads to fatigue wear of the steel strands themselves and shortens their service life, but also damages the galvanized anti-corrosion layer on the surface of the tower components, accelerating the corrosion of the components.

[0003] To address the wind swaying problem of high-altitude fall arrest devices, existing technologies have yielded relevant improvements. For example, patent CN 211701250U discloses a high-altitude fall arrest device for angle steel towers. This patent, considering the structural characteristics of angle steel towers, proposes installing a safety rope (steel strand or wire rope) along the height direction on the tower body. The two ends of the safety rope are fixed by upper and lower tensioning and fixing devices (including tension clamps, connecting plates, etc.), and multiple anti-sway devices are installed in the middle of the safety rope. Specifically, the anti-sway devices include anti-sway hoops made of bent steel bars (including double anti-sway hoops with concentric upper and lower openings and opposite directions), and an installation structure composed of a Y-shaped bracket (first connecting plate and second connecting plate) and an L-shaped fixing frame. The Y-shaped bracket and L-shaped fixing frame clamp the angle steel components of the tower, achieving detachable fixing of the anti-sway device to the tower body, thereby limiting the swaying of the safety rope. While this solution can solve the wind swaying problem of the safety rope on angle steel towers, its design specific to angle steel towers limits its applicability to the structural characteristics of steel pipe poles.

[0004] When the aforementioned angle steel tower fall arrestor is applied to steel pipe pole scenarios, it suffers from insurmountable technical defects, specifically: First, the installation foundation is incompatible; this solution relies on the angle steel edge structure of the angle steel tower, using a "Y-shaped bracket + L-shaped fixing frame" to clamp the angle steel for fixation. However, the steel pipe pole tower body is tubular, without angle steel edges, and is typically equipped with a ladder extending along the tower body. The aforementioned clamping installation structure cannot be adapted to the ladder or tubular tower body of the steel pipe pole, resulting in the anti-sway device being unable to be stably installed on the steel pipe pole. Second, the distance between the anti-sway hoop and the connecting plate is fixed. When facing strong winds and large swaying, it is impossible to adjust the distance between the safety rope and the steel pipe pole to further reduce the swaying of the safety rope and increase the safety of personnel operation. Utility Model Content

[0005] To address the problem that existing technologies are not suitable for the installation of steel pipe poles, and that the distance between the anti-sway hoop and the connecting plate is fixed and cannot be adjusted to further reduce the swing of the safety rope and increase the safety of personnel operation, this utility model provides a safety rope anti-sway device for steel pipe poles.

[0006] To solve the above problems, the technical solution adopted by this utility model is as follows: A safety rope anti-sway device for steel pipe poles includes a connecting plate with two U-bolts for connecting the steel pipe pole. A hoop assembly for limiting the safety rope is also fixed to the connecting plate via a bracket. The hoop assembly is spaced apart from the connecting plate. The two U-bolts on the connecting plate allow for stable connection between the steel pipe pole and the ladder pole, effectively solving the mismatch problem of existing anti-sway devices for angle steel towers. Simultaneously, the spaced arrangement of the hoop assembly and the connecting plate suppresses the wind sway amplitude of the steel strand, ensuring normal sliding of the fall arrestor, improving the safety of high-altitude workers, reducing impacts from the steel strand on tower components, extending the service life of the steel strand, and protecting the galvanized layer of the tower components.

[0007] Preferably, two U-bolts are spaced apart and parallel to each other; the two U-bolts are respectively set on the upper and lower sides of the ladder rod on the steel pipe pole. The parallel spacing and separate locations of the two U-bolts on the upper and lower sides of the ladder rod can adapt to the structure of the steel pipe pole ladder rod, forming a stable clamp on the connecting plate from both above and below, restricting the axial movement of the connecting plate. This ensures the reliable connection between the steel pipe pole safety rope anti-sway device and the ladder rod, and also makes the connecting plate evenly stressed. This lays the foundation for the subsequent stable restriction of the safety rope swing by the hoop assembly, further ensuring the anti-sway effect and the safety of high-altitude operations.

[0008] Preferably, the steel pipe pole and U-bolt can be positioned within the gap between the hoop assembly and the connecting plate. This placement effectively prevents interference between components, ensuring the U-bolt's clamping connection to the ladder rod remains unaffected, while providing sufficient space for the hoop assembly to stably limit the safety rope's sway. It also makes the overall structure more compact, adaptable to the layout of the steel pipe pole ladder rod, and further improves connection reliability and anti-sway stability. Furthermore, when facing strong winds and significant safety rope sway, installing the steel pipe pole and U-bolt within the gap between the hoop assembly and the connecting plate reduces the distance between the safety rope and the steel pipe pole, utilizing the interference of the steel pipe pole on the safety rope to reduce its sway and increase operator safety.

[0009] Preferably, the support includes a support plate; the support plate is vertically fixed to one side of the connecting plate; a mounting plate is vertically fixed to the end of the support plate away from the connecting plate; and a hoop assembly is fixedly installed on the edge of the mounting plate away from the connecting plate. The support's structure, with the support plate vertically connecting to the connecting plate and the mounting plate vertically connecting to the support plate, precisely establishes the spacing between the hoop assembly and the connecting plate, effectively preventing component interference. Simultaneously, fixing the hoop assembly to the edge of the mounting plate allows for sufficient space for the safety rope to slide smoothly without affecting the normal use of the fall arrestor. Furthermore, the vertical connection structure ensures uniform stress and stable load-bearing capacity, providing reliable support for the hoop assembly to stably limit the swing of the safety rope, further guaranteeing the anti-sway effect.

[0010] Preferably, the connecting plate and the mounting plate are fixedly installed at both ends of the same side of the support plate. The support plate can evenly bear the fixing force of the connecting plate and the constraint reaction force of the hoop assembly on the mounting plate, reducing stress concentration, improving the overall load-bearing strength of the support, and providing solid structural support for the stable connection of the climbing ladder rod and reliable limitation of the swing of the safety rope.

[0011] Preferably, the centerline of the hoop assembly is coplanar with the axis of the steel pipe rod, and its plane is perpendicular to the plane of the connecting plate. This reduces the additional stress caused by spatial angular misalignment between components, improving the overall structural stability and anti-sway reliability of the device.

[0012] Preferably, the support plate is provided with weight-reduction holes. These holes reduce the overall weight of the support plate and device while ensuring structural strength and without affecting the load-bearing capacity of the support, thus facilitating high-altitude installation.

[0013] Preferably, the hoop assembly is a steel pipe with a spiral groove on its side wall. The steel pipe material provides stable load-bearing capacity, ensuring the restraint strength of the safety rope; the spiral groove restricts the lateral swing of the safety rope while facilitating its installation within the hoop assembly.

[0014] As can be seen from the above technical solutions, the advantages of this utility model include: 1. The two U-bolts on the connecting plate can be used to connect steel pipe poles and ladder poles stably, effectively solving the mismatch problem of existing anti-sway devices for angle steel towers. At the same time, the hoop assembly and the connecting plate are spaced apart to suppress the wind sway of the steel strands, which not only ensures the normal sliding of the fall arrestor, but also improves the safety of high-altitude workers, reduces the impact of the steel strands on the tower components, extends the service life of the steel strands, and protects the galvanized layer of the tower components.

[0015] 2. The steel pipe pole and U-bolts can be placed within the gap between the hoop assembly and the connecting plate, effectively preventing interference between components. This ensures that the clamping connection of the U-bolts to the ladder rod is unaffected, while providing sufficient space for the hoop assembly to stably limit the swaying of the safety rope. Simultaneously, it makes the overall structure more compact and adaptable to the layout of the steel pipe pole ladder rod, further improving connection reliability and anti-sway stability. Furthermore, when facing strong winds and significant safety rope swaying, installing the steel pipe pole and U-bolts within the gap between the hoop assembly and the connecting plate reduces the distance between the safety rope and the steel pipe pole, utilizing the interference of the steel pipe pole on the safety rope to reduce its swaying and increase personnel safety. Attached Figure Description

[0016] To more clearly illustrate the technical solution of this utility model, the drawings used in the description 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.

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a front view schematic diagram of the present utility model.

[0019] Figure 3 This is a top view of the present invention.

[0020] Figure 4 This is a structural schematic diagram of the hoop assembly of this utility model.

[0021] Explanation of reference numerals in the attached drawings: 1-connecting plate, 2-steel pipe pole, 3-U-bolt, 4-bracket, 5-safety rope, 6-hoop assembly; 101-climbing ladder pole; 401-support plate, 402-mounting plate, 403-weight reduction hole. Detailed Implementation

[0022] To make the objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiments. Obviously, the embodiments described below are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this patent, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this patent.

[0023] like Figure 1-4 As shown, a safety rope anti-sway device for a steel pipe pole includes a connecting plate 1, on which two U-bolts 3 for connecting a steel pipe pole 2 are installed; a hoop assembly 6 for limiting the safety rope 5 is also fixedly installed on the connecting plate 1 by a bracket 4; the hoop assembly 6 is spaced apart from the connecting plate 1.

[0024] The two U-bolts 3 on the connecting plate 1 can be used to connect the steel pipe pole 2 and the climbing ladder pole 101 stably, effectively solving the mismatch problem of the existing anti-sway device of the angle steel tower. At the same time, the hoop assembly 6 is set at intervals with the connecting plate 1, which can suppress the wind sway amplitude of the steel strand, ensuring the normal sliding of the fall arrestor, improving the operation safety of high-altitude workers, reducing the impact of the steel strand on the tower components, extending the service life of the steel strand and protecting the galvanized layer of the tower components.

[0025] In the above configuration, two U-bolts 3 are spaced apart and parallel to each other; the two U-bolts 3 are respectively located on the upper and lower sides of the ladder rod 101 on the steel pipe rod 2. The steel pipe rod 2 and the U-bolts 3 can be positioned within the gap between the hoop assembly 6 and the connecting plate 1. The centerline of the hoop assembly 6 is coplanar with the axis of the steel pipe rod 2, and its plane is perpendicular to the plane of the connecting plate 1, which can reduce the additional stress caused by spatial angular misalignment between components and improve the overall structural stability and anti-sway reliability of the device.

[0026] Two parallel U-bolts 3 are spaced apart and positioned on the upper and lower sides of the ladder rod 101, adapting to the structure of the steel pipe rod 2 and ladder rod 101. They provide a stable clamping effect on the connecting plate 1 from both above and below, restricting axial movement of the connecting plate 1. This ensures reliable connection between the steel pipe rod 2 and the ladder rod 101 using the safety rope 5 anti-sway device, while also ensuring uniform force distribution on the connecting plate 1. This lays the foundation for the subsequent stable restriction of the safety rope 5 by the hoop assembly 6, further guaranteeing the anti-sway effect and safety during high-altitude operations. The steel pipe rod 2 and U-bolts 3 can be placed within the gap between the hoop assembly 6 and the connecting plate 1, effectively preventing interference between components. This ensures that the clamping connection of the U-bolts 3 to the ladder rod 101 is unaffected, while providing sufficient space for the hoop assembly 6 to stably restrict the swing of the safety rope 5. Simultaneously, this makes the overall structure more compact and adaptable to the layout of the steel pipe rod 2 and ladder rod 101, further improving connection reliability and anti-sway stability. Meanwhile, when the safety rope 5 swings greatly in strong winds, the steel pipe pole 2 and U-bolt 3 are installed in the gap between the hoop assembly 6 and the connecting plate 1 to reduce the distance between the safety rope 5 and the steel pipe pole 2. The interference of the steel pipe pole 2 on the safety rope 5 reduces the swing of the safety rope 5 and increases the safety of personnel operation.

[0027] like Figure 2 and Figure 3 As shown, the support 4 includes a support plate 401; the support plate 401 is vertically fixed on one side of the connecting plate 1; a mounting plate 402 is vertically fixed on the end of the support plate 401 away from the connecting plate 1; a hoop assembly 6 is fixedly installed on the edge of the mounting plate 402 away from the connecting plate 1. The connecting plate 1 and the mounting plate 402 are respectively fixed at both ends of the same side of the support plate 401. The support plate 401 is provided with a weight reduction hole 403. The support 4, through the structure of the support plate 401 vertically connecting the connecting plate 1 and the mounting plate 402 vertically connecting the support plate 401, can accurately construct the gap space between the hoop assembly 6 and the connecting plate 1, effectively avoiding component interference; at the same time, the hoop assembly 6 is fixed on the edge of the mounting plate 402, which can reserve sufficient space for the safety rope 5 to slide smoothly without affecting the normal use of the fall arrestor, and the vertical connection structure is evenly stressed and has stable load bearing, which can provide reliable support for the hoop assembly 6 to stably restrict the swing of the safety rope 5, further ensuring the anti-sway effect. The support plate 401 can evenly bear the fixing force of the connecting plate 1 and the constraint reaction force of the hoop assembly 6 on the mounting plate 402, reducing stress concentration and improving the overall load-bearing strength of the support 4. It provides solid structural support for the stable connection of the climbing ladder rod 101 and the reliable restriction of the swing of the safety rope 5. The support plate 401 is provided with weight reduction holes 403, which can reduce the weight of the support plate 401 and the overall device without affecting the load-bearing capacity of the support 4, and facilitate high-altitude installation operations.

[0028] The hoop assembly 6 is made of steel pipe with spiral grooves on its sidewall. The steel pipe provides stable load-bearing capacity, ensuring the restraint strength of the safety rope 5. The spiral grooves limit the lateral swing of the safety rope 5 and facilitate its installation along the grooves within the hoop assembly 6.

[0029] In other alternative embodiments, the hoop assembly 6 includes two rings, each with a notch to facilitate the radial insertion of a safety rope into the ring.

[0030] The working principle of the safety rope anti-sway device for the steel pipe pole is as follows: First, the steel pipe pole is clamped and fixed to the upper and lower sides of one of the ladder bars 101 of the steel pipe pole 2 by two parallel U-bolts 3 on the connecting plate 1, forming a stable installation foundation. The spiral grooved steel pipe of the hoop assembly 6 has its center line coplanar with the axis of the steel pipe pole 2 and its plane is perpendicular to the plane of the connecting plate 1. It can restrict the lateral swing of the safety rope 5 through the main body of the steel pipe and facilitate the radial insertion of the safety rope 5 into the hoop assembly 6 with the help of the spiral groove. At the same time, when the wind is strong, the installation direction of the U-bolts 3 can be changed to place the steel pipe pole 2 and the U-bolts 3 in the gap between the connecting plate 1 and the mounting plate 402, reducing the distance between the safety rope 5 and the steel pipe pole 2. Although it cannot reduce the damage of the safety rope to the galvanized layer of the steel pipe pole 2, it can suppress the swing of the safety rope 5 with the help of the steel pipe pole 2, ensuring the safety of personnel operation. To reduce the damage to the galvanized layer of the steel pipe pole 2 caused by the swing of the safety rope 5, the installation position of the U-bolt 3 was changed and placed on one side of the hoop assembly 6 of the connecting plate 1, thereby increasing the distance between the safety rope 5 and the steel pipe pole 2.

[0031] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A safety line anti-swinging device for a steel pipe pole, comprising a connecting plate (1), characterized in that, Two U-bolts (3) for connecting the steel pipe rod (2) are installed on the connecting plate (1); a hoop assembly (6) for limiting the safety rope (5) is also fixedly installed on the connecting plate (1) by a bracket (4); the hoop assembly (6) is spaced apart from the connecting plate (1).

2. The steel pole safety rope swing preventing device according to claim 1, characterized by Two U-bolts (3) are spaced apart and parallel to each other; the two U-bolts (3) are respectively set on the upper and lower sides of the ladder rod (101) on the steel pipe rod (2).

3. The steel pole safety rope swing preventing device according to claim 1, characterized by, The steel pipe rod (2) and the U-bolt (3) can be set in the gap between the hoop assembly (6) and the connecting plate (1).

4. The steel pole safety rope swing preventing device according to claim 3, characterized by The bracket (4) includes a support plate (401); the support plate (401) is vertically fixed on one side of the connecting plate (1); a mounting plate (402) is vertically fixed on the end of the support plate (401) away from the connecting plate (1); a hoop assembly (6) is fixedly installed on the edge of the mounting plate (402) away from the connecting plate (1).

5. The steel pole safety line anti-swinging device according to claim 4, characterized by The connecting plate (1) and the mounting plate (402) are respectively fixed at both ends of the same side of the support plate (401).

6. The steel pole safety line swing prevention device of claim 5, wherein The centerline of the hoop assembly (6) is coplanar with the axis of the steel pipe rod (2), and its plane is perpendicular to the plane of the connecting plate (1).

7. The anti-sway device for steel pipe poles using safety ropes according to claim 6, characterized in that, The support plate (401) is provided with weight reduction holes (403).

8. The anti-sway device for steel pipe poles using safety ropes according to claim 1 or 7, characterized in that, The hoop assembly (6) is a steel pipe with a spiral groove on the side wall.

Images