GIL and GIS conductor fixing device

Abstract

The utility model discloses a GIL and GIS conductor fixing device which comprises a lower supporting rod connected with a cylinder body, the other end of the lower supporting rod is in threaded connection with a connecting nut, the other end of the connecting nut is in threaded connection with an upper supporting rod, a bent plate is fixedly installed on the upper supporting rod, a nylon bent plate is fixedly installed on the bent plate, and the nylon bent plate is fixedly installed on the cylinder body. Wherein the upper internal thread of the connecting nut is right-handed, the lower internal thread of the connecting nut is left-handed, the external thread of the upper supporting rod is matched with the right-handed internal thread, and the external thread of the lower supporting rod is matched with the left-handed internal thread. According to the utility model, the operation is convenient, the central position of the housing can be accurately positioned, and the conductor can be fixed, so that the coaxiality of the conductor and the housing can be effectively ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage power transmission and transformation, in particular to a GIL and GIS conductor fixing device. Background Art

[0002] The prior art mainly uses spacers, suspension wires or support plates to fix the conductors.

[0003] 1. When using a spacer, it is necessary to make a spacer of a corresponding fixed size according to the outer diameter of the conductor and the inner diameter of the cylinder, and place the spacer under the conductor to prevent the conductor from sagging and play a role in supporting the conductor.

[0004] 2. When using a flexible suspension wire, tie one end of the suspension wire to the threaded hole of the cylinder flange and the other end to the conductor. The conductor sags due to its own gravity, straightening the suspension wire to provide support.

[0005] 3. When using the support plate, according to the outer diameter of the conductor and the inner diameter of the cylinder, the inner diameter of the annular support plate is adapted to the outer diameter of the conductor, and the outer diameter of the annular support plate is adapted to the inner diameter of the cylinder. The annular support plate is placed between the conductor and the cylinder to achieve the supporting effect.

[0006] However, the above fixing device has the following problems:

[0007] 1. Using pads cannot effectively fix the conductor. When the conductor moves, there may be a risk of the pads toppling due to vibration. When the conductor rotates, the pads cannot start supporting it, causing the conductor to fall, posing a safety and quality risk.

[0008] 2. Using a flexible suspension line cannot quickly position the conductor to the center of the shell, resulting in a long adjustment time and low work efficiency. Moreover, when the conductor rotates, the flexible suspension line will no longer provide support due to the influence of gravity, causing the conductor to fall, posing a quality risk.

[0009] 3. When using a support plate, in order to ensure effective support, the inner diameter of the cylinder, the outer diameter of the conductor, and the inner and outer diameters of the support plate are required to be high, which increases the cost. In addition, one support plate can only be used for one size of conductor and cylinder, and its versatility is poor. Utility Model Content

[0010] In view of the problems existing in the prior art, the purpose of the present invention is to provide a GIL and GIS conductor fixing device to solve the background technical problems.

[0011] In order to achieve the above-mentioned purpose, the present utility model adopts the following technical solutions.

[0012] A GIL and GIS conductor fixing device includes a lower support rod connected to a cylinder, the other end of the lower support rod is threadedly connected to a connecting nut, the other end of the connecting nut is threadedly connected to an upper support rod, a bent plate is fixedly mounted on the upper support rod, and a nylon bent plate is fixedly mounted on the bent plate, wherein the upper internal thread of the connecting nut is right-handed and the lower internal thread is left-handed, the external thread of the upper support rod matches the right-handed internal thread, and the external thread of the lower support rod matches the left-handed internal thread.

[0013] As a further description of the above technical solution:

[0014] The curvature of the nylon bent plate matches the outer curvature of the conductor, and a nylon pad is fixedly installed on the bottom of the lower support rod.

[0015] As a further description of the above technical solution:

[0016] The cross-sectional shape of the connecting nut is a regular hexagon.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] This solution uses three fixing devices in three directions to fix the conductor to the center of the shell, thereby achieving coaxiality between the conductor and the shell. When used to fix the welding of three-support insulators in GIL, the lower support is connected to the aluminum plate to ensure that the conductor is fixed in the center and the connected aluminum plate is tightly attached to the shell, solving the serious safety problems caused by cold welding. It is easy to operate and can accurately locate the center position of the shell and fix the conductor, thereby effectively ensuring the coaxiality of the conductor and the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the nylon bent plate of the utility model;

[0021] Description of the numbers in the figure:

[0022] 1. Lower support rod; 2. Connecting nut; 3. Upper support rod; 4. Bend plate; 5. Nylon bent plate; 6. Nylon spacer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0024] See also Figure 1-2In the utility model, a GIL and GIS conductor fixing device includes a lower support rod 1 connected to the cylinder, the other end of the lower support rod 1 is threadedly connected to a connecting nut 2, the other end of the connecting nut 2 is threadedly connected to an upper support rod 3, a bent plate 4 is fixedly installed on the upper support rod 3, and a nylon bent plate 5 is fixedly installed on the bent plate 4, wherein the upper internal thread of the connecting nut 2 is right-handed, and the lower internal thread is left-handed, the external thread of the upper support rod 3 matches the right-handed internal thread, and the external thread of the lower support rod 1 matches the left-handed internal thread.

[0025] In the present invention, a support structure is formed by a lower support rod 1, an upper support rod 3 and a connecting nut 2. The lower support rod 1 is in contact with the cylinder, and the nylon bent plate 5 on the upper support rod 3 is in contact with the GIL or GIS conductor. Then, when the lower support rod 1 and the upper support rod 3 are inactive, the connecting nut 2 between the two is rotated, and the connecting nut 2 is respectively engaged with the opposite threads of the lower support rod 1 and the upper support rod 3, so that the lower support rod 1 and the upper support rod 3 are moved closer to or farther away from each other, thereby changing the distance between the conductor and the cylinder. Three fixing devices are used in three directions to fix the conductor to the center of the shell, thereby achieving coaxiality between the conductor and the shell. When used for welding fixed three-support insulators in GIL, the lower support can ensure that the conductor is fixed in the center when connecting the aluminum plate, and the connecting aluminum plate is tightly attached to the shell, solving the serious safety problem caused by cold welding. It is easy to operate, can accurately locate the center position of the shell and fix the conductor, thereby effectively ensuring the coaxiality of the conductor and the shell.

[0026] The curvature of the nylon bent plate 5 matches the outer curvature of the conductor, and a nylon pad 6 is fixedly installed on the bottom of the lower support rod 1 .

[0027] In the present invention, the nylon bent plate 5 can fit the outer surface of the conductor more closely, which can not only maintain the stability of the conductor after installation, but also pre-position the conductor during installation, reduce the offset, and improve the installation and fixing efficiency of the conductor.

[0028] Wherein: the cross-sectional shape of the connecting nut 2 is a regular hexagon.

[0029] In the present invention, the hexagonal connecting nut 2 can be easily rotated by a tool such as a wrench, thereby adjusting the extension and contraction amount of the supporting device.

[0030] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A GIL and GIS conductor fixing device, comprising a lower support rod (1) connected to a cylinder, characterized in that: The other end of the lower support rod (1) is threadedly connected to a connecting nut (2), the other end of the connecting nut (2) is threadedly connected to an upper support rod (3), a bent plate (4) is fixedly mounted on the upper support rod (3), and a nylon bent plate (5) is fixedly mounted on the bent plate (4). The upper internal thread of the connecting nut (2) is right-handed, and the lower internal thread is left-handed. The external thread of the upper support rod (3) matches the right-handed internal thread, and the external thread of the lower support rod (1) matches the left-handed internal thread.

2. A GIL and GIS conductor fixing device according to claim 1, characterized in that: The curvature of the nylon bent plate (5) matches the outer curvature of the conductor, and a nylon pad (6) is fixedly mounted on the bottom of the lower support rod (1).

3. A GIL and GIS conductor fixing device according to claim 1, characterized in that: The cross-sectional shape of the connecting nut (2) is a regular hexagon.

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