Isolating device of high-voltage isolating switch for 10kv line

Abstract

The utility model relates to a 10 kv line high-voltage isolation switch isolation device, and belongs to the technical field of power transmission line maintenance devices. Comprising an insulation isolation baffle plate mechanism installed on two adjacent high-voltage isolation switch bases, the high-voltage isolation switch and an area above the isolation switch bases are separated by the isolation baffle plate mechanism, the isolation baffle plate mechanism comprises a first baffle plate and a second baffle plate which are inserted into a whole, and the insertion depth of the insertion part of the first baffle plate and the second baffle plate is adjustable. And the first baffle plate and the second baffle plate are respectively provided with a slotted hole structure which is convenient for installation. The isolating device for the high-voltage isolating switch of the 10kv line is convenient to install, foreign matters such as bird nests can be effectively isolated from the high-voltage isolating switch, and faults such as short circuit or grounding caused by the fact that the foreign matters such as branches and iron wires in the bird nests touch an electrified part of the high-voltage isolating switch are avoided.

Description

Technical Field

[0001] The utility model relates to a 10kv line high voltage isolating switch isolating device, belonging to the technical field of power transmission line maintenance devices. Background Art

[0002] The high-voltage disconnector of the 10kV line is prone to short circuit or grounding caused by foreign objects such as bird nests. The common preventive measures currently include: installing placeholders and bird repellers above the high-voltage disconnector to prevent birds from building nests, and installing insulating sheaths on the high-voltage disconnector. Installing placeholders and bird repellers above the high-voltage disconnector has the disadvantages of poor bird repeller effect and inconvenient installation, while installing sheaths on the high-voltage disconnector has the disadvantages of loose installation and packaging, which cannot effectively prevent faults.

[0003] Therefore, it is urgent to design a 10kv line high-voltage disconnector isolation device that can solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and to provide a 10kv line high-voltage isolating switch isolation device which is easy to install and can effectively isolate foreign objects such as bird nests from the high-voltage isolating switch, thereby preventing foreign objects such as branches and wires in the bird nest from touching the live parts of the high-voltage isolating switch and causing faults such as short circuits or grounding.

[0005] The utility model is a 10kv line high-voltage isolating switch isolating device, which is special in that it includes an insulating isolation baffle mechanism installed on two adjacent high-voltage isolating switch bases 1, the isolation baffle mechanism separates the high-voltage isolating switch 2 from the area above the isolating switch base 1, the isolation baffle mechanism includes a first baffle 3 and a second baffle 4 which are plugged into one body, the insertion depth of the first baffle 3 and the second baffle 4 at the plug-in point is adjustable, so that it is suitable for use with high-voltage isolating switches 2 of different spacings, and the first baffle 3 and the second baffle 4 are both provided with slot structures for easy installation;

[0006] Preferably, the first baffle plate 3 and the second baffle plate 4 are both made of epoxy resin plates;

[0007] Preferably, a U-shaped socket 5 is provided on one side of the first baffle plate 3 facing the second baffle plate 4, the U-shaped socket 5 runs through the entire length direction of the first baffle plate 3, and one side of the second baffle plate 4 is inserted into the U-shaped socket 5;

[0008] Preferably, the slot structure includes a long strip slot 6 respectively opened on the first baffle plate 3 and the second baffle plate 4, the width of the slot 6 matches the outer diameter of the bottleneck of the porcelain bottle 7, the first baffle plate 3 and the second baffle plate 4 pass through the bottleneck of the porcelain bottle 7 without obstacles through the slot 6, and the first baffle plate 3 and the second baffle plate 4 are simultaneously horizontally limited by the slot 6, one end of the slot 6 penetrates to the outside of the first baffle plate 3 and the second baffle plate 4, and the other end is designed to be a semicircular arc structure 13 matching the shape of the bottleneck of the porcelain bottle 7;

[0009] Preferably, a limit baffle 12 made of insulating material is installed on the lower surface of the first baffle 3 and the second baffle 4, one end of the limit baffle 12 is hinged to the first baffle 3 or the second baffle 4, and the other end is fastened to the first baffle 3 or the second baffle 4 by an insulating bolt, and the limit baffle 12 and the semicircular arc structure 13 are on the same straight line, thereby realizing the longitudinal limitation of the first baffle 3 and the second baffle 4;

[0010] Preferably, the slot structure further includes a circular through hole 8 opened on the first baffle plate 3 and the second baffle plate 4, the through hole 8 and the slot 6 are on the same straight line, and the through hole 8 is used to pass the base bolt 9 of the high-voltage disconnect switch base 1;

[0011] Preferably, the isolation baffle mechanism is installed on the high-voltage disconnect switch base 1 through an installation mechanism, and the installation mechanism includes a plurality of door-shaped insulating bolts 11, the height of the door-shaped insulating bolts 11 matches the high-voltage disconnect switch base 1, and a plurality of groups of installation holes 10 for passing the door-shaped insulating bolts 11 are provided on the first baffle plate 3 and the second baffle plate 4.

[0012] The utility model of the 10kv line high-voltage disconnector isolating device has an ingenious structural design and is easy to install and disassemble. The insertion depth of the first baffle and the second baffle at the plug-in point is adjustable, which is suitable for the installation of two-phase high-voltage disconnectors with different spacings. The installation mechanism can achieve firm installation and fixation. The utility model uses the principle of physical isolation to form an effective isolation protection above the high-voltage disconnector to prevent foreign objects such as branches and wires from touching the high-voltage disconnector when birds build nests on the high-voltage disconnector, thereby achieving the function of preventing bird damage. The first baffle and the second baffle of the utility model are made of epoxy resin material with an insulation level of 10kV, which can effectively insulate and isolate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the use state direction 1 of the 10kv line high-voltage disconnector isolation device of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the 10kv line high-voltage disconnector isolation device of the utility model in use state direction 2;

[0015] Figure 3It is a structural schematic diagram of the use state direction 3 of the 10kv line high-voltage disconnector isolation device of the utility model;

[0016] Figure 4 is a schematic structural diagram of the first baffle;

[0017] Figure 5 is a side view of the first baffle;

[0018] Figure 6 is a schematic structural diagram of the second baffle;

[0019] Figure 7 It is a schematic diagram of the structure of the high-voltage isolating switch without installing the utility model. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model are described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The 10kv line high voltage isolating switch isolating device of this embodiment is shown in the attached Figure 1-7 The high-voltage disconnector 2 is installed on a cross arm 14, and the cross arm 14 is installed on an electric pole 15. An insulating isolation baffle mechanism is installed on two adjacent high-voltage disconnector bases 1. The isolation baffle mechanism separates the high-voltage disconnector 2 from the area above the disconnector base 1. The isolation baffle mechanism includes a first baffle 3 and a second baffle 4 that are plugged into one piece. The insertion depth of the first baffle 3 and the second baffle 4 at the plug-in point is adjustable, so that it is suitable for use with high-voltage disconnectors 2 with different spacings. The first baffle 3 and the second baffle 4 are both provided with a slot structure that is easy to install.

[0022] In this embodiment, a U-shaped socket 5 is provided on one side of the first baffle plate 3 facing the second baffle plate 4. The U-shaped socket 5 runs through the entire length of the first baffle plate 3, and one side of the second baffle plate 4 is inserted into the U-shaped socket 5. By adjusting the insertion depth, installation of two-phase high-voltage disconnectors at different spacings can be achieved, such as being suitable for GW9-12 and HGW9-12 series high-voltage disconnectors.

[0023] The slot structure of this embodiment includes a long strip slot 6 respectively opened on the first baffle 3 and the second baffle 4. The width of the slot 6 matches the outer diameter of the bottleneck of the porcelain bottle 7. The first baffle 3 and the second baffle 4 can pass through the bottleneck of the porcelain bottle 7 without obstacles through the slot 6, and the first baffle 3 and the second baffle 4 are simultaneously limited in the horizontal direction through the slot 6. One end of the slot 6 penetrates the outside of the first baffle 3 and the second baffle 4, and the other end is designed as a semicircular arc structure 13 that matches the shape of the bottleneck of the porcelain bottle 7. The lower surface of the first baffle 3 and the second baffle 4 is installed with a limit baffle 12 made of insulating material. One end of the limit baffle 12 is hinged to the first baffle 3 or the second baffle 4, and the other end is fastened to the first baffle 3 or the second baffle 4 through an insulating bolt. The limit baffle 12 and the semicircular arc structure 13 are on the same straight line. The limit baffle 12 and the semicircular arc structure 13 are used in conjunction with each other, thereby realizing the longitudinal limit of the first baffle 3 and the second baffle 4. The slot structure also includes a circular through hole 8 opened on the first baffle plate 3 and the second baffle plate 4. The through hole 8 is on the same straight line as the slot 6. The through hole 8 is used to pass the base bolt 9 of the high-voltage disconnector base 1. The isolation baffle mechanism of this embodiment is installed on the high-voltage disconnector base 1 through a mounting mechanism. The mounting mechanism includes a plurality of gate-shaped insulating bolts 11. The height of the gate-shaped insulating bolts 11 matches the high-voltage disconnector base 1. Two groups of mounting holes 10 for passing the gate-shaped insulating bolts 11 are respectively opened on the first baffle plate 3 and the second baffle plate 4. The specific dimensions are as follows:

[0024] The first baffle 3 and the second baffle 4 are both made of epoxy resin board, wherein a U-shaped socket 5 is provided on the side of the first baffle 3 facing the second baffle 4. The first baffle 3 is made of epoxy resin board with a length of 50 cm and a width of 40 cm. A strip-shaped slot 6 with a width of 6.5 cm and a length of 40 cm is cut on the first baffle 3. The bottom of the slot 6 is 10 cm away from the bottom of the epoxy resin board, and the two side edges of the strip-shaped slot 6 are 9 cm and 19.5 cm away from the two side edges of the epoxy resin board respectively. Four mounting holes 10 with a diameter of 9 mm are cut on both sides of the length direction of the slot 6. The upper two mounting holes 10 are 5 cm away from the upper edge of the epoxy resin board, and the lower two mounting holes 10 are 5 cm away from the lower edge of the epoxy resin board. A through hole 8 with a diameter of 4.5 cm is cut on the bottom, and the through hole 8 and the slot 6 are on the same straight line. The second baffle 4 is made of an epoxy resin board with a length of 50 cm and a width of 50 cm. A strip-shaped slot 6 with a width of 6.5 cm and a length of 40 cm is cut on the second baffle 4. The bottom of the slot 6 is 10 cm away from the bottom of the epoxy resin board. The two sides of the strip-shaped slot 6 are 19 cm and 24.5 cm away from the two sides of the epoxy resin board. Four mounting holes 10 with a diameter of 9 mm are cut on both sides of the length direction of the slot 6. The two upper mounting holes 10 are 5 cm away from the upper edge of the epoxy resin board, and the two lower mounting holes 10 are 5 cm away from the lower edge of the epoxy resin board. A through hole 8 with a diameter of 4.5 cm is cut on the bottom, and the through hole 8 and the strip-shaped slot 6 are on the same straight line.

[0025] The door-shaped insulating bolt 11 has a diameter of 80mm, an inner width of 14cm, and a total height of 5cm. The two sides of the door-shaped insulating bolt 11 are half-thread screws with a thread length of 4cm. It is tightened and fixed with an insulating nut, or a conventional nut is used with an outer nut insulating sheath. The inner diameter of the nut is 8mm, the opposite side is 13mm, and the thickness is 8mm.

[0026] Assembly and use:

[0027] The first baffle plate 3 and the second baffle plate 4 are placed horizontally under the two high-voltage disconnector bases 1 by adjusting the appropriate distance through plugging, and are firmly fixed by the mounting mechanism and the high-voltage disconnector base 1. When birds want to build nests above the high-voltage disconnector, the device can effectively isolate foreign objects such as bird nest branches and iron wires from the high-voltage disconnector, reduce the power outage caused by short circuit or grounding fault of 10kV distribution lines due to bird damage, and improve power supply reliability.

[0028] It should be understood that the parts not elaborated in detail in this specification belong to the prior art. Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. 10kv line high voltage isolating switch isolation device, characterized in that It includes an insulating isolation baffle mechanism installed on two adjacent high-voltage disconnector bases, the isolation baffle mechanism separates the high-voltage disconnector from the area above the disconnector base, the isolation baffle mechanism includes a first baffle and a second baffle that are plugged into one piece, the insertion depth of the first baffle and the second baffle at the plug-in point is adjustable, so that it is suitable for use with high-voltage disconnectors with different spacings, and the first baffle and the second baffle are both provided with slot structures that are easy to install.

2. The 10kv line high voltage disconnector isolation device according to claim 1 is characterized in that The first baffle plate and the second baffle plate are both made of epoxy resin plates.

3. The 10kv line high voltage disconnector isolation device according to claim 1 is characterized in that A U-shaped socket is provided on one side of the first baffle plate facing the second baffle plate. The U-shaped socket runs through the entire length direction of the first baffle plate, and one side of the second baffle plate is inserted into the U-shaped socket.

4. The 10kv line high voltage disconnector isolation device according to claim 1 is characterized in that The slot structure includes long strip-shaped slots respectively opened on the first baffle plate and the second baffle plate, the width of the slots matches the outer diameter of the bottleneck of the porcelain bottle, the first baffle plate and the second baffle plate can pass through the bottleneck of the porcelain bottle unimpeded through the slots, and the first baffle plate and the second baffle plate are simultaneously horizontally limited by the slots, one end of the slot passes through the outside of the first baffle plate and the second baffle plate, and the other end is designed to be a semicircular arc structure matching the shape of the bottleneck of the porcelain bottle.

5. The 10kv line high voltage disconnector isolation device according to claim 4 is characterized in that A limit baffle made of insulating material is installed on the lower surface of the first baffle and the second baffle. One end of the limit baffle is hinged to the first baffle or the second baffle, and the other end is fastened to the first baffle or the second baffle by an insulating bolt. The limit baffle and the semicircular arc structure are on the same straight line, thereby realizing the longitudinal limitation of the first baffle and the second baffle.

6. The 10kv line high voltage disconnector isolation device according to claim 4 is characterized in that The slot structure also includes circular through holes formed on the first baffle plate and the second baffle plate. The through holes and the slots are on the same straight line. The through holes are used to pass through base bolts of the high-voltage disconnector base.

7. The 10kv line high voltage disconnector isolation device according to claim 1 is characterized in that The isolation baffle mechanism is installed on the high-voltage disconnector base through an installation mechanism, which includes a plurality of door-shaped insulating bolts, the height of which matches the high-voltage disconnector base, and a plurality of installation holes for passing the door-shaped insulating bolts are provided on the first baffle and the second baffle.

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