CN212627084U - High-performance explosion-proof lightning arrester - Google Patents
High-performance explosion-proof lightning arrester Download PDFInfo
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- CN212627084U CN212627084U CN202021534583.3U CN202021534583U CN212627084U CN 212627084 U CN212627084 U CN 212627084U CN 202021534583 U CN202021534583 U CN 202021534583U CN 212627084 U CN212627084 U CN 212627084U
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- resistor
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- explosion
- arrester
- proof
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Abstract
The utility model discloses an explosion-proof arrester of high performance, through adopting connecting cover and wire integrated into one piece, utilize the connecting rod top to link to each other with the conductor of wire, the bottom that combines the connecting rod is connected with the screw and utilizes lock nut with locking to realize the conductor of year wire and the stable connection of resistor, directly link to each other with the resistor with traditional adoption nut, compare, the utility model discloses a be connected between connecting cover and the wire and seal up the effect better, and sealed effectual between connecting cover and the polymer insulation shell, can effectively avoid external rainwater to the influence of the effect of being connected between the conductor of wire and the resistor, avoid the infiltration of water to lead to the equipment accident, thereby reach the explosion-proof purpose of high performance.
Description
Technical Field
The utility model relates to a lightning protection technical field, more specifically relates to an explosion-proof arrester of high performance.
Background
At present, lightning arresters are often provided on distribution lines to protect various equipment of distribution facilities from abnormal voltages such as lightning and surge.
These arresters have a high resistance to a ground voltage, and when an abnormal voltage of a large current such as a lightning current reaches the arrester, a current of the abnormal voltage instantaneously flowing to the arrester flows to the ground. When abnormal voltage reaching the distribution equipment is grounded through high voltage on the ground, various equipment in the distribution line is protected.
In a conventional arrester, a conductor of a wire is connected to a resistor of the arrester by a bolt. If the nut is not properly installed, the conductor of the wire may fall, and due to vibration generated by external force caused by long-term use, loosening of the bolt and the nut for fixing the wire may cause the conductor of the wire (fall and cause a line fault), and airtightness of the insulation cover cannot be secured, resulting in equipment accidents due to infiltration of rainwater.
Therefore, in order to solve the above problems, it is urgently needed to invent a high-performance explosion-proof arrester.
SUMMERY OF THE UTILITY MODEL
The utility model provides an explosion-proof arrester of high performance has formed and moulded the connecting cover on the wire to once assemble it firmly on last link through a key formula assembly method. After the assembly, the connection cover can be effectively prevented from falling off, so that the line fault caused by insulation breakdown is completely eliminated.
According to one aspect of the utility model, a high-performance explosion-proof arrester is provided, which comprises a polymer insulating shell, a resistor contained in the polymer insulating shell, an upper connecting frame and a lower connecting frame, wherein the upper connecting frame is arranged at the top of the resistor, the lower connecting frame is arranged at the bottom of the resistor, the lower connecting frame is connected with an isolating switch through a bolt, an insulating hanging bracket is arranged between the isolating switch and the polymer insulating shell, a screw hole is arranged on the upper connecting frame, a connecting cover is arranged at the top of the polymer insulating shell, a lead is connected with the connecting cover, a conductor of the lead passes through the connecting cover to be connected with a connecting rod, a connecting part is arranged at the bottom of the connecting rod, a falcon hole is arranged in the middle of the connecting part, a plurality of open holes are uniformly distributed on the outer edge surface of the connecting part, and a transmission rod is arranged in the falcon hole, the tail end of the transmission rod is connected with the screw hole and is locked through a locking nut.
Preferably, on the basis of the above scheme, the diameter of the falcon hole is smaller than the diameter of the top of the transmission rod.
On the basis of the scheme, preferably, the bottom of the connecting cover is provided with a plurality of grooves, and sealing rings are arranged in the grooves.
In addition to the above, preferably, the lead and the connection cover are connected to each other through a sealing body.
In addition to the above, preferably, the sealing body is an adhesive.
On the basis of the scheme, the sealing body is preferably a heat shrinkable tube.
On the basis of the scheme, the sealing body is preferably a self-contraction tube.
The utility model discloses an explosion-proof arrester of high performance, through adopting connecting cover and wire integrated into one piece, utilize the connecting rod top to link to each other with the conductor of wire, the bottom that combines the connecting rod is connected with the screw and utilizes lock nut with locking to realize the conductor of year wire and the stable connection of resistor, directly link to each other with the resistor with traditional adoption nut, compare, the utility model discloses a be connected between connecting cover and the wire and seal up the effect better, and sealed effectual between connecting cover and the polymer insulation shell, can effectively avoid external rainwater to the influence of the effect of being connected between the conductor of wire and the resistor, avoid the infiltration of water to lead to the equipment accident, thereby reach the explosion-proof purpose of high performance.
Drawings
Fig. 1 is a cross-sectional view of the high-performance explosion-proof arrester of the present invention;
fig. 2 is an exploded view of a part of the structure of the high-performance explosion-proof arrester of the present invention;
fig. 3 is a partial sectional view of the high-performance explosion-proof arrester of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, and referring to fig. 2 and fig. 3, the high performance explosion-proof arrester of the present invention includes a polymer insulating housing 10, a resistor 20 contained in the polymer insulating housing 10, an upper connecting frame 30 and a lower connecting frame 40, wherein the upper connecting frame 30 is located at the top of the resistor 20, the lower connecting frame 40 is located at the bottom of the resistor 20, the polymer insulating housing 10 is contained on the outer circumferential surfaces of the resistor 20, the upper connecting frame 30 and the lower connecting frame 40, a connecting cover 70 is installed on the top of the polymer, a receiving cavity is formed in the connecting cover 70, the top of the connecting cover 70 is hermetically connected to the outer circumferential surface of a lead 100, and a conductor 110 of the lead 100 extends into the receiving cavity of the connecting cover 70.
The lower connecting frame 40 is connected with the isolating switch 50 through a bolt, an insulating hanger 60 is arranged between the isolating switch 50 and the polymer insulating shell 10, a screw hole 31 is arranged on the upper connecting frame 30, a transmission rod 90 is arranged in the screw hole 31 and is locked through a locking nut 91, and the top of the transmission rod 90 is conical; and the connecting rod 80 has been installed to the holding intracavity, and the bottom of connecting rod 80 is equipped with connecting portion 81, and the terminal surface central point of connecting portion 81 is equipped with falcon hole 82, evenly has laid a plurality of trompils 83 on the outer disc of the lower extreme of connecting rod 80, and after the top of transfer line 90 alternates to falcon hole 82, through interference fit with the locking card dead.
The utility model discloses an explosion-proof arrester of high performance, through adopting connecting cover 70 and wire 100 integrated into one piece, utilize connecting rod 80 top and wire 100's conductor 110 to link to each other, the bottom that combines connecting rod 80 is connected with screw 31 and utilizes lock nut 91 with locking, thereby realize year wire 100's conductor 110 and resistor 20's stable connection, directly link to each other with resistor 20 with traditional adoption nut, compare, the utility model discloses a connecting cover 70 is connected sealed effectual with wire 100 between, and it is sealed effectual to connect between cover 70 and the polymer insulation shell 10, can effectively avoid external rainwater to the influence of the connection effect between wire 100's conductor 110 and the resistor 20, avoids the infiltration of water to lead to the equipment accident, thereby reaches the explosion-proof purpose of high performance.
Preferably, in order to guarantee the connection performance between falcon hole 82 and transfer line 90, the utility model discloses a falcon hole 82's diameter is less than the diameter at transfer line 90 top to ensure its joint strength.
The utility model discloses a bottom of connecting cover 70 is equipped with a plurality of recesses 71, and the built-in sealing washer of recess 71, can increase the polymer insulation shell 10 of arrester and the leakproofness between connecting cover 70 through the sealing washer in the recess 71 to prevent moisture infiltration, guarantee to connect validity between the conductor 110 of connecting rod 80, transfer line 90 and wire 100.
It should be noted that the lead 100 and the connecting cover 70 of the present invention are connected by a sealing body, wherein the sealing body may be an adhesive, and of course, the sealing body may also be a heat shrinkable tube or a self-shrinkable tube.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A high-performance explosion-proof arrester is characterized by comprising a polymer insulating shell, a resistor contained in the polymer insulating shell, an upper connecting frame and a lower connecting frame, wherein the upper connecting frame is arranged at the top of the resistor, the lower connecting frame is arranged at the bottom of the resistor, the lower connecting frame is connected with a disconnecting switch through a bolt, an insulating hanging frame is arranged between the disconnecting switch and the polymer insulating shell, a screw hole is formed in the upper connecting frame, a connecting cover is arranged at the top of the polymer insulating shell, a lead is connected with the connecting cover, a conductor of the lead penetrates through the connecting cover to be connected with a connecting rod, a connecting part is arranged at the bottom of the connecting rod, a falcon hole is formed in the middle of the connecting part, a plurality of open holes are uniformly formed in the outer edge surface of the connecting part, a transmission rod is arranged in the falcon hole, and the tail end of the transmission rod is connected with the screw hole, and locked by a locking nut.
2. A high performance explosion proof arrester as claimed in claim 1 wherein the falcon hole has a diameter smaller than a diameter of the top of the transmission rod.
3. A high-performance explosion-proof arrester as claimed in claim 1, wherein the bottom of said connecting cover is provided with a plurality of grooves, and said grooves are provided with sealing rings.
4. A high-performance explosion-proof arrester as claimed in claim 1, wherein said lead wire is connected to said connection cover through a sealing body.
5. The high performance explosion proof arrester of claim 4 wherein said seal is an adhesive.
6. The high performance explosion proof arrester of claim 4 wherein said sealing body is a heat shrink tube.
7. The high-performance explosion-proof arrester of claim 4 wherein said sealing body is a self-contracting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021534583.3U CN212627084U (en) | 2020-07-29 | 2020-07-29 | High-performance explosion-proof lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021534583.3U CN212627084U (en) | 2020-07-29 | 2020-07-29 | High-performance explosion-proof lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212627084U true CN212627084U (en) | 2021-02-26 |
Family
ID=74729640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021534583.3U Active CN212627084U (en) | 2020-07-29 | 2020-07-29 | High-performance explosion-proof lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212627084U (en) |
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2020
- 2020-07-29 CN CN202021534583.3U patent/CN212627084U/en active Active
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