A multi-point anti-skid stable mounting clamp applied to a flexible guide rail

Abstract

The utility model discloses high -altitude fixture technical field, concretely for a kind of multi-point antiskid stable type mounting fixture for flexible guide rail. The existing mounting fixture is prone to loosening due to radial locking, which can cause displacement between the mounting fixture and the angle steel. A multi-point antiskid stable type mounting fixture for flexible guide rail includes an angle steel, a support plate, and a clamp assembly. The clamp assembly includes a clamp, a limiting buckle, and a nut. The two ends of the clamp are movably connected to the sliding groove of the support plate. The limiting buckle is sleeved on the two ends of the clamp. This allows the clamp to tightly fasten the angle steel. The nut is arranged on the two ends of the clamp to radially lock the angle steel. By arranging the sliding groove and the limiting buckle on the support plate, the sliding groove allows the clamp to elastically deform under stress. At the same time, the limiting buckle, which has a greater rigidity than the clamp and a smaller initial spacing than the clamp, allows the clamp to gather inward. This increases the transverse clamping and friction force between the clamp and the angle steel, and improves the radial friction force.

Description

Technical Field

[0001] This utility model relates to the field of high-altitude clamping technology, specifically to a multi-point anti-slip and stable installation clamp used in flexible guide rails. Background Technology

[0002] The maintenance environment for power transmission towers often involves irregular surfaces (such as curved building facades and bridge arches) and dynamically changing work paths (such as the zigzag path of transmission lines and the multi-angle rotation of tower crane jibs). Traditional rigid guide rails (such as metal slide rails) are difficult to conform to these structures due to their fixed shape, resulting in obstructed movement or insufficient positioning accuracy for maintenance personnel. Flexible guide rails, with their bendability, self-adaptive deformation, lightweight design, and high safety, effectively overcome the limitations of traditional rigid equipment in scenarios such as power transmission tower maintenance, bridge upkeep, and high-altitude rescue.

[0003] Currently, flexible guide rails (i.e., steel strand guide rails) are typically fixed to angle steel using mounting clamps to form a stable fulcrum. Therefore, mounting clamps are widely used in power, communication, and building structures to fix flexible guide rails (i.e., steel strands) for stable anchoring and support. However, existing mounting clamps have fixing holes in the support plate, through which clamps pass and, in conjunction with nuts, form fixing points with the angle steel. To facilitate installation at heights, the fixing holes in the support plate and the clamp spacing are calculated to achieve a uniform specification with the angle steel width, and a certain gap exists between the angle steel and the clamp side for installation. However, in actual installation, relying solely on the clamps and nuts to form axial locking and clamping friction can lead to loosening and insufficient clamping force under varying load conditions after long-term use, causing displacement between the mounting clamp and the angle steel.

[0004] In response to this issue, this utility model proposes a multi-point anti-slip and stable installation clamp for flexible guide rails. By increasing the lateral clamping force of the clamp on the angle steel, the problem of displacement between the installation clamp and the angle steel caused by loosening due to radial locking is solved. Utility Model Content

[0005] This utility model provides the following technical solution: A multi-point anti-slip and stable installation clamp for flexible guide rails includes an angle steel, a support plate, and a clamp assembly. The angle steel has a vertical structure, and one side of the support plate is attached to the angle steel. The support plate has several sliding grooves. The clamp assembly includes a clamp, a limiting buckle plate, and a nut. The two ends of the clamp are movably slidably connected to the sliding grooves of the support plate. The limiting buckle plate is sleeved on both ends of the clamp, thereby allowing the clamp to laterally fasten the angle steel. The nut is located at both ends of the clamp, thereby radially locking the angle steel.

[0006] Preferably, there are four slides, arranged in pairs on both sides of the support plate, with the slide paths extending in opposite directions.

[0007] Preferably, there are two clamps, and the two ends of the two clamps correspond to the four sliding grooves respectively.

[0008] Preferably, there are two limiting buckles, located between the support plate and the angle steel, and each buckles onto the clamp.

[0009] Preferably, the limiting buckle plate has an opposing groove structure, and the groove spacing is smaller than the initial spacing of the clamp.

[0010] Preferably, the contact surface between the support plate and the angle steel has a notch, and the limiting buckle plate cooperates with the notch.

[0011] Preferably, the clamp is a trapezoidal structure, formed by bending a single steel bar along the angle steel structure.

[0012] The beneficial effects of this utility model are: This utility model incorporates a sliding groove and a limiting buckle plate on the support plate. The sliding groove allows the clamp to undergo elastic deformation under force, thus adapting to objects of different sizes and shapes. The limiting buckle plate significantly enhances the friction with the angle steel through a frosted layer. At the same time, its rigidity is greater than that of the clamp and its spacing is smaller than the initial spacing of the clamp, causing the clamp to converge inward, which increases both the lateral clamping force and friction between the clamp and the angle steel and improves the radial friction. Attached Figure Description

[0013] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0014] Figure 1 This is a schematic diagram of the first overall structure of this utility model; Figure 2 This is a schematic diagram of the second overall structure of this utility model; Figure 3 This is a schematic diagram showing the connection between the clamp, support plate, and limiting buckle plate of this utility model; Figure 4 This is a schematic diagram showing the disassembled structure of the clamp, support plate, and limiting buckle plate of this utility model.

[0015] Legend: 1. Angle steel; 2. Hoop; 3. Support plate; 31. Slide groove; 4. Nut; 5. Shackle; 6. Limiting plate. Detailed Implementation

[0016] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0017] Because the existing installation clamp has fixed holes in the support plate 3, the clamp 2 passes through the fixed holes in the support plate 3 and is fixed to the angle steel 1 with the nut 4 to facilitate the flexible guide rail (i.e., steel strand support). In order to facilitate the installation of the installation clamp at high altitudes, the fixed holes in the support plate 3 and the spacing of the clamp 2 are all reasonably calculated to form a uniform specification with the width of the angle steel 1. There is a certain gap between the angle steel 1 and the side of the clamp 2 to facilitate installation. However, in actual installation, relying solely on the clamp 2 and the nut 4 to form axial locking and clamping friction, after long-term use, under load changing environment, loosening and insufficient clamping force are prone to occur, resulting in the installation clamp and angle steel 1 being displaced.

[0018] In this regard, refer to Figures 1-4 As shown, this utility model provides a multi-point anti-slip and stable installation clamp for flexible guide rails, solving the problem of displacement between the installation clamp and angle steel 1 caused by loosening due to radial locking. Specifically, it includes angle steel 1, support plate 3, and clamp assembly. Angle steel 1 has a vertical structure. One side of support plate 3 is attached to angle steel 1. Several sliding grooves 31 are opened on support plate 3. The other end of support plate 3 is detachably provided with shackle 5. Shackle 5 is used to connect with flexible guide rail (i.e., steel strand). Clamp assembly includes clamp 2, limiting buckle 6, and nut 4. Both ends of clamp 2 can be movably slid into the sliding grooves 31 of support plate 3. Limiting buckle 6 is sleeved on both ends of clamp 2, so that clamp 2 horizontally clamps angle steel 1. Nut 4 is provided at both ends of clamp 2, so as to radially lock angle steel 1.

[0019] Specifically, there are two clamps 2, which are trapezoidal structures formed by bending a single steel bar along the angle steel 1. Both ends of the clamps 2 have external threads, which pass through the sliding groove 31 and are locked in place by nuts 4. The angle steel 1 is composed of a first angle steel and a second angle steel forming a vertical structure. The two clamps 2 are arranged along the first angle steel, and the spacing between adjacent clamps 2 is kept consistent by the limiting effect of the sliding groove 31. The width of the sliding groove 31 is greater than the diameter of the external threads at the ends of the clamps 2, allowing the two ends of the clamps 2 to converge inward within the sliding groove 31 to a certain extent when subjected to axial tension, thereby achieving dynamic adjustment of the clamping force.

[0020] The limiting plate 6 is embedded in the limiting groove of the first angle steel. The surface of the limiting plate 6 is provided with a frosted layer, which is formed by sandblasting. The edge of the limiting plate 6 is chamfered with an angle of 45 degrees and a width of 1 mm to 2 mm to reduce resistance during installation and disassembly and avoid the risk of sharp edges causing injury to operators. The limiting plate 6 has an opposing groove structure with a groove spacing smaller than the initial spacing of the clamp 2. When the limiting plate 6 is engaged with the clamp 2, it pulls the clamp 2 inward. The limiting plate 6 ensures installation accuracy through the cooperation of the limiting groove and avoids displacement during use.

[0021] In practical applications, when clamping the flexible guide rail, the limiting plate 6 is first embedded into the limiting groove of the first angle steel. The limiting plate 6 is positioned accurately by engaging with the limiting groove. Then, the two ends of the clamp 2 are passed through the sliding groove 31, and the position of the clamp 2 is adjusted according to the size of the angle steel 1, ensuring close contact between the inner side of the clamp 2 and the angle steel 1. By tightening the nut 4, the two ends of the clamp 2 are gradually tightened under the action of the external thread, thus applying clamping force to the angle steel 1. Since the width of the sliding groove 31 is slightly larger than the diameter of the external thread at the end of the clamp 2, when the clamp 2 is subjected to axial tension, its two ends can converge inward within the sliding groove 31 to a certain extent, thereby achieving dynamic adjustment of the clamping force. Furthermore, the frosted finish of the limiting plate 6 significantly improves the anti-slip performance of the clamp by increasing surface roughness, preventing slippage of the clamp under vibration.

[0022] To enable those skilled in the art to fully understand and implement this utility model, the specific implementation principle of this utility model is further explained below in conjunction with a specific application scenario.

[0023] In power line installation scenarios, steel strands need to be fixed to angle steel 1. First, the horizontal and vertical plates of angle steel 1 are fixed to one side of angle steel 1 with bolts, ensuring a tight fit between angle steel 1 and its surface. The reinforcing ribs enhance the overall rigidity of angle steel 1, preventing deformation of the clamp due to uneven stress on angle steel 1. Subsequently, the limiting plate 6 is embedded into the limiting groove on the first angle steel. The limiting groove and the groove of the limiting plate 6 cooperate to ensure that the limiting plate 6 can be quickly and accurately embedded in the designated position. The frosted layer of the limiting plate 6 significantly increases the coefficient of friction between the support plate 3 and angle steel 1 by increasing surface roughness, thereby preventing the clamp from slipping under vibration.

[0024] Next, the two ends of the clamp 2 are passed through the grooves 31 on the first angle steel, and the position of the clamp 2 is adjusted according to the diameter of the steel strand. Then, by tightening the nuts 4 at both ends of the clamp 2, the clamp 2 is gradually tightened under the action of the external threads, applying clamping force to the steel strand. Since the width of the groove 31 is slightly larger than the diameter of the external threads at the end of the clamp 2, when the clamp 2 is subjected to axial tension, its two ends can converge inward within the groove 31 to a certain extent, thereby achieving the effect of dynamically adjusting the clamping force to adapt to changes in the size of the steel strand and load requirements.

[0025] When the steel strand is subjected to external vibration or load changes, the frosted layer of the limiting plate 6 increases the surface roughness, further improving the anti-slip performance of the clamp and preventing the clamp from slipping under vibration. At the same time, the design of the slide groove 31 allows the clamp 2 to produce slight elastic deformation under force, thereby dynamically adjusting the clamping force and avoiding clamping failure due to excessive rigidity.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A multi-point anti-slip and stable mounting clamp for flexible guide rails, characterized in that: The device includes an angle steel, a support plate, and a clamp assembly. The angle steel is vertical, and one side of the support plate is attached to the angle steel. The support plate has several grooves. The clamp assembly includes a clamp, a limiting buckle plate, and a nut. The two ends of the clamp are movably slidable into the grooves of the support plate. The limiting buckle plate is fitted onto the two ends of the clamp, thereby allowing the clamp to laterally fasten the angle steel. The nut is located at both ends of the clamp, thereby radially locking the angle steel.

2. The multi-point anti-slip and stable mounting clamp for flexible guide rails according to claim 1, characterized in that: The slide grooves consist of four sections, arranged in pairs on both sides of the support plate, with the slide groove paths extending in opposite directions.

3. A multi-point anti-slip and stable mounting clamp for flexible guide rails according to claim 2, characterized in that: There are two clamps, and the two ends of the two clamps correspond to the four grooves respectively.

4. A multi-point anti-slip and stable mounting clamp for flexible guide rails according to claim 3, characterized in that: The width of the groove is greater than the diameter of the external thread at the end of the clamp, allowing the clamp to move within the groove.

5. A multi-point anti-slip and stable mounting clamp for flexible guide rails according to claim 1, characterized in that: There are two limiting buckles, located between the support plate and the angle steel, and each buckles onto the clamp.

6. A multi-point anti-slip and stable mounting clamp for flexible guide rails according to claim 4, characterized in that: The limiting buckle plate has an opposing groove structure, and the groove spacing is smaller than the initial spacing of the clamp.

7. A multi-point anti-slip and stable mounting clamp for flexible guide rails according to claim 5, characterized in that: The support plate has a notch on the contact surface with the angle steel, and the limiting buckle plate cooperates with the notch.

8. A multi-point anti-slip and stable mounting clamp for flexible guide rails according to claim 3, characterized in that: The clamp has a trapezoidal structure and is formed by bending a single steel bar along the angle steel structure.

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