Cross arm column type AF line insulator replacement tool

Abstract

The utility model discloses a cross arm column type AF line insulator replacing tool which comprises a herringbone support formed by two sets of telescopic adjusting rod assemblies, the herringbone support can be used universally, two bases are further provided with three sets of bases of different types, the tool can be suitable for three different types of channel steel cross arm shoulder frames on site, and when the tool is used, the cross arm column type AF line insulator replacing tool is used for replacing the cross arm column type AF line insulator replacing tool. A base of a matched type can be installed on a cross arm, cross arm channel steel can be clamped, an AF line can be fixed to a certain spatial position through mutual cooperation of the two telescopic adjusting rods, horizontal tension and vertical load of the AF line are all unloaded, and therefore the purposes of replacing an insulator and treating related defects at the position are achieved. And the operation task can be safely and efficiently completed by one person working aloft.

Description

Technical Field

[0001] The utility model relates to the technical field of railway contact network operating tools, in particular to a cross-arm column type AF line insulator replacement tool. Background Art

[0002] In the AT power supply mode section, the cross arm is equipped with a column-type AF line insulator, which is mainly used to fix the AF line on the cross arm and ensure its insulation distance. Its status is directly related to the power supply safety. When the insulator is in a bad state such as flashover or damage, it must be replaced. The insulator is located at the outermost side of the shoulder frame, the working surface is narrow, and the working vehicle platform cannot reach it. The only way to operate it is to climb the pole alone. In addition, the vertical force of the AF line is large, especially at the curve and the junction of the inside and outside of the tunnel. It also bears a large horizontal tension. During operation, the difficulty of unloading the line and the safety risk of operation are extremely high.

[0003] How to replace this type of insulator safely and efficiently is a difficult problem that needs to be solved urgently. Utility Model Content

[0004] The utility model aims to provide a cross-arm column type AF line insulator replacement tool, which can adapt to a variety of different types of channel steel cross-arm shoulder frames, thereby simplifying the insulator replacement operation, improving the operation efficiency and reducing the safety risk of the operation. The utility model is implemented through the following technical solutions.

[0005] A cross-arm column type AF line insulator replacement tool comprises a herringbone bracket composed of two sets of telescopic adjustment rod assemblies;

[0006] A set of the telescopic adjustment rod assembly consists of a first rotating telescopic rod and an adjusting threaded rod, the top end of the first rotating telescopic rod is threadedly connected to the bottom end of the adjusting threaded rod, a first rotating adjustment rod transverse hole is penetrated through the middle of the first rotating telescopic rod, a first rotating adjustment rod is arranged in the first rotating adjustment rod transverse hole, the bottom end of the first rotating telescopic rod is connected with a first base, the middle part of the adjusting threaded rod is connected with a rotating joint piece, and the top end of the adjusting threaded rod is connected with an AF line fixing hoop for fixing the AF line;

[0007] Another set of the telescopic adjustment rod assembly consists of a second rotating telescopic rod, the top end of the second rotating telescopic rod is connected to the rotating joint, a second rotating adjustment rod transverse hole is penetrated through the middle of the second rotating telescopic rod, a second rotating adjustment rod is arranged in the second rotating adjustment rod transverse hole, and the bottom end of the second rotating telescopic rod is connected to a second base.

[0008] Furthermore, the first base and the second base are provided with three sets of bases of different types to be suitable for three different types of channel steel cross arm shoulder frames on site.

[0009] Furthermore, when the cross arm shoulder frame is a back-to-back double channel steel, the first base and the second base are two separate C-shaped bases arranged at corresponding channel steel positions, and the two snap-ons of each base are horizontal and inwardly arranged, and the base is horizontally clamped with the channel steel cross arm shoulder frame.

[0010] Furthermore, when the cross arm shoulder frame is a side-lying single channel steel, the first base and the second base are two integrated C-shaped bases arranged at corresponding channel steel positions, and the two snap-ons of each base are horizontally and inwardly arranged, and the base is in a vertical state and snap-connected with the channel steel cross arm shoulder frame.

[0011] Furthermore, when the cross arm shoulder frame is a prone single channel steel, the first base and the second base are two integrated C-shaped bases arranged at corresponding channel steel positions, and the two snap-ons of each base are arranged vertically and upward, and the base is in a horizontal state and snap-connected with the channel steel cross arm shoulder frame.

[0012] Furthermore, the AF line fixing hoop is provided with a hinged clamp, which wraps the AF line and is fixed by bolts.

[0013] The beneficial effects of the utility model are as follows: the herringbone bracket can be universal, and the two bases are also provided with three sets of different types of bases, which can be suitable for three different types of channel steel cross arm shoulder frames on site. When in use, a matching type of base can be installed on the cross arm to clamp the cross arm channel steel. Through the mutual cooperation of the two telescopic adjustment rods, the AF line can be fixed in a certain spatial position, and the horizontal tension and vertical load of the AF line can be completely unloaded, thereby achieving the purpose of replacing the insulator and dealing with related defects at the location, and realizing that one person can complete the task of high-altitude operation safely and efficiently. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram (I) of a cross-arm column type AF line insulator replacement tool of the utility model;

[0015] Figure 2 This is a structural diagram (II) of a cross-arm column type AF line insulator replacement tool of the utility model;

[0016] Figure 3 The utility model is a structural diagram (three) of a cross-arm column type AF line insulator replacement tool. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0019] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0020] In the description of the embodiments of the present invention, "multiple" means at least 2.

[0021] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] Example:

[0023] A cross-arm column type AF line insulator replacement tool comprises a herringbone bracket composed of two sets of telescopic adjustment rod assemblies, and the herringbone bracket can be universal;

[0024] A telescopic adjustment rod assembly is composed of a first rotating telescopic rod 10 and an adjusting threaded rod 11. The top of the first rotating telescopic rod 10 is threadedly connected to the bottom of the adjusting threaded rod 11 to achieve telescopic adjustment. A first rotating adjustment rod transverse hole 12 is penetrated in the middle of the first rotating telescopic rod 10, and a first rotating adjustment rod 13 is arranged in the through hole. A first base 14 is connected to the bottom end of the first rotating telescopic rod 10 for connecting with a channel steel cross arm shoulder frame. A rotating joint 15 is connected to the middle of the adjusting threaded rod 11, and an AF line fixing hoop 16 for fixing an AF line 30 is connected to the top of the adjusting threaded rod 11. The AF line fixing hoop 16 is provided with a hinged clamp, which is wrapped around the AF line 30 and fixed by bolts, and also includes an AF line insulator 31 for erecting the AF line 30.

[0025] Another set of telescopic adjustment rod assembly consists of a second rotating telescopic rod 20, the top end of which is connected to the rotating joint 15 to achieve a complete connection of the herringbone bracket; a second rotating adjustment rod transverse hole 21 is penetrated through the middle of the second rotating telescopic rod 20, and a second rotating adjustment rod 22 is arranged in the through hole; the bottom end of the second rotating telescopic rod 20 is connected to a second base 23, which cooperates with the first base 14 to jointly support and stabilize the entire tool.

[0026] In order to adapt to the three different types of channel steel cross arm shoulder frames on site, the first base 14 and the second base 23 are provided with three sets of different types of bases, and the specific design is as follows:

[0027] When facing the back-to-back double channel steel 40, the first base 14 and the second base 23 are designed as two separate C-shaped bases arranged at the corresponding positions of the channel steel, and the two bayonet openings of each base are arranged horizontally and inwardly, and the base is horizontally clamped with the shoulder frame of the channel steel crossbar;

[0028] When facing the side-lying single channel steel 50, the first base 14 and the second base 23 are designed as two integrated C-shaped bases arranged at the corresponding positions of the channel steel, and the two bayonet openings of each base are arranged horizontally and inwardly, and the base is in a vertical state and is clamped with the shoulder frame of the channel steel cross arm;

[0029] When facing the prone single channel steel 60, the first base 14 and the second base 23 are also designed as two integrated C-shaped bases arranged at the corresponding channel steel positions, but at this time, the two snap-in openings of each base are arranged vertically and upward, and the base is in a horizontal state and clamped with the channel steel crossbar shoulder frame.

[0030] The tool provided by this technical solution is equipped with two sets of telescopic adjustment rods to form a herringbone bracket, and two bases are provided. The herringbone bracket can be universal, and the two bases are also equipped with three sets of different types of bases, which can be suitable for three different types of channel cross arm shoulder frames on site. When in use, a matching type of base can be installed on the cross arm to clamp the cross arm channel steel. Through the mutual cooperation of the two telescopic adjustment rods, the AF line can be fixed in a certain spatial position, and the horizontal tension and vertical load of the AF line can be completely unloaded, thereby achieving the purpose of replacing the insulator and dealing with related defects at the location. One person can complete the task safely and efficiently by working at high altitude.

[0031] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A cross-arm column type AF line insulator replacement tool, characterized in that: It includes a herringbone bracket composed of two sets of telescopic adjustment rod assemblies; A set of the telescopic adjustment rod assembly consists of a first rotating telescopic rod and an adjusting threaded rod, the top end of the first rotating telescopic rod is threadedly connected to the bottom end of the adjusting threaded rod, a first rotating adjustment rod transverse hole is penetrated through the middle of the first rotating telescopic rod, a first rotating adjustment rod is arranged in the first rotating adjustment rod transverse hole, the bottom end of the first rotating telescopic rod is connected with a first base, the middle part of the adjusting threaded rod is connected with a rotating joint piece, and the top end of the adjusting threaded rod is connected with an AF line fixing hoop for fixing the AF line; Another set of the telescopic adjustment rod assembly consists of a second rotating telescopic rod, the top end of the second rotating telescopic rod is connected to the rotating joint, a second rotating adjustment rod transverse hole is penetrated through the middle of the second rotating telescopic rod, a second rotating adjustment rod is arranged in the second rotating adjustment rod transverse hole, and the bottom end of the second rotating telescopic rod is connected to a second base.

2. The cross-arm column type AF line insulator replacement tool according to claim 1, characterized in that: The first base and the second base are respectively provided with three sets of bases of different types to be suitable for three different types of channel steel cross arm shoulder frames on site.

3. A cross-arm column type AF line insulator replacement tool according to any one of claims 1-2, characterized in that: When the cross arm shoulder frame is a back-to-back double channel steel, the first base and the second base are two separate C-shaped bases arranged at corresponding channel steel positions, and the two snap-ons of each base are horizontal and inwardly arranged, and the base is horizontally clamped with the channel steel cross arm shoulder frame.

4. A cross-arm column type AF line insulator replacement tool according to any one of claims 1-2, characterized in that: When the cross arm shoulder frame is a side-lying single channel steel, the first base and the second base are two integrated C-shaped bases arranged at corresponding channel steel positions, the two snap-ons of each base are horizontal and inwardly arranged, and the base is in a vertical state and snap-connected with the channel steel cross arm shoulder frame.

5. A cross-arm column type AF line insulator replacement tool according to any one of claims 1-2, characterized in that: When the cross arm shoulder frame is a prone single channel steel, the first base and the second base are two integrated C-shaped bases arranged at corresponding channel steel positions, and the two snap-ons of each base are arranged vertically and upwardly, and the base is in a horizontal state and snap-connected with the channel steel cross arm shoulder frame.

6. The cross-arm column type AF line insulator replacement tool according to claim 1, characterized in that: The AF line fixing hoop is provided with a hinged clamp, which is wrapped around the AF line and fixed by bolts.

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