CN210156892U - Right-angle hanging plate for lightning arrester - Google Patents

Right-angle hanging plate for lightning arrester Download PDF

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Publication number
CN210156892U
CN210156892U CN201920872128.5U CN201920872128U CN210156892U CN 210156892 U CN210156892 U CN 210156892U CN 201920872128 U CN201920872128 U CN 201920872128U CN 210156892 U CN210156892 U CN 210156892U
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hanging
bolt
suspension
link plate
nut
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CN201920872128.5U
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Chinese (zh)
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陈迪
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Dalian Fafu'an Electric Appliances Co Ltd
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Dalian Fafu'an Electric Appliances Co Ltd
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Abstract

The utility model relates to an electric power fitting technical field, concretely relates to arrester right angle link plate, including the link plate body, it is equipped with last suspension bolt and last suspension nut of mutually supporting to go up the portion of hanging, the portion of hanging is equipped with lower suspension bolt and lower suspension nut of mutually supporting down, still includes bush, lower bush and elasticity closing device down, it establishes on the bolt head of last suspension bolt and the screw rod between the last suspension nut to go up the bush cover, the bush cover is established under on the bolt head of suspension bolt and the screw rod between the lower suspension nut down, elasticity closing device includes sleeve pipe, compression spring and two rubber blocks, the vertical welding of sleeve pipe is in the inboard of link plate body, compression spring inserts and establishes in the sleeve pipe, two rubber blocks are fixed both ends about compression spring respectively. This right angle link plate can avoid taking place sliding friction between suspension part and the suspension bolt when using, guarantees the mechanical strength of right angle link plate, improves the life-span and the security performance of right angle link plate.

Description

Right-angle hanging plate for lightning arrester
Technical Field
The utility model relates to an electric power fitting technical field, concretely relates to arrester right angle link plate.
Background
The line type lightning arrester is used for 6-220kV alternating current transmission and transformation lines, aims to limit line lightning overvoltage and improve line lightning resistance level, and is a novel lightning arrester which is specially designed for reducing the tripping rate of a system caused by lightning stroke faults and is hung on a transmission tower. In the installation process of the line arrester, the right-angle hanging plate is needed to be used for connecting the arrester with the bracket on the cross arm of the iron tower and connecting the arrester with the insulator.
At present, chinese patent 201620071163.3 discloses a right angle link plate, which comprises a link plate body, the cross section of the link plate body is in a U shape, the bottom of the U shape forms a lower suspension part, the top of two sides of the U shape is provided with a through hole which is opposite and coaxial and forms an upper suspension part, the upper suspension part and the lower suspension part are both provided with a suspension bolt and a suspension nut which are mutually matched, the threaded end of the suspension bolt is provided with a pin hole, and an elastic split pin is arranged in the pin hole. This kind of right angle link plate though can play locking effect to hanging the nut effectively, nevertheless in the in-service use process, the arrester is connected on the right angle link plate, can take place to rock when receiving the wind-blowing between arrester or insulator, and it rocks to drive the right angle link plate, this just makes between connecting piece and the suspension bolt and takes place the friction loss between suspension bolt and the link plate body, the friction causes wearing and tearing between the coupling part will reduce the mechanical strength of right angle link plate, can take place the condition emergence that the right angle link plate fracture even arrester drops when serious, cause the transmission line trouble.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that above-mentioned exists, designed an arrester right angle link plate, this right angle link plate can avoid hanging to take place sliding friction between part and the suspension bolt when using, can reduce simultaneously and hang between part and the suspension bolt and friction loss and surface wear between suspension bolt and the link plate body, guarantees the mechanical strength of right angle link plate, improves the life-span and the security performance of right angle link plate.
In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:
a lightning arrester right-angle hanging plate comprises a hanging plate body, wherein the cross section of the hanging plate body is in a U shape, the tops of two side plates of the U shape are provided with opposite and coaxial through holes and form an upper hanging part, the bottom of the U shape forms a lower hanging part, the middle position of the lower hanging part is provided with a hanging groove, the upper hanging part is provided with an upper hanging bolt and an upper hanging nut which are matched with each other, the lower hanging part is provided with a lower hanging bolt and a lower hanging nut which are matched with each other, the lightning arrester right-angle hanging plate further comprises an upper bushing, a lower bushing and an elastic pressing device, the upper bushing is sleeved on a screw rod between the bolt head of the upper hanging bolt and the upper hanging nut, the lower bushing is sleeved on a screw rod between the bolt head of the lower hanging bolt and the lower hanging nut, and the elastic pressing device is arranged at the middle position of the inner;
the elastic pressing device comprises a sleeve, a compression spring and two rubber blocks, the sleeve is vertically welded at the middle position of the inner side of the hanging plate body, the compression spring is inserted in the sleeve and can slide up and down along the sleeve, the free length of the compression spring is greater than the length of the sleeve, and the two rubber blocks are respectively fixed at the upper end and the lower end of the compression spring.
Furthermore, the upper bushing and the lower bushing are both cast by using ZCuSn10Pb1 copper alloy.
Furthermore, the hanging plate body, the upper hanging bolt, the upper hanging nut, the lower hanging bolt and the lower hanging nut are all made of stainless steel.
Furthermore, the threaded ends of the upper suspension bolt and the lower suspension bolt are respectively provided with a pin hole, and an elastic split pin is inserted into the pin holes.
The utility model has the advantages that: the right-angle hanging plate is provided with an elastic pressing device, when the right-angle hanging plate is used, the elastic pressing device can press the upper hanging part and the upper hanging bolt and the lower hanging part and the lower hanging bolt tightly, so that sliding friction caused by relative sliding between the upper hanging part and the upper hanging bolt and between the lower hanging part and the lower hanging bolt is avoided, and meanwhile, the right-angle hanging plate can play a role in buffering and damping; through setting up bush and lower bush can reduce between last suspension part and the last suspension bolt, between last suspension bolt and the link plate body, between lower suspension part and the lower suspension bolt and between lower suspension bolt and the link plate body friction loss and surface wear, guarantee the mechanical strength of right angle link plate, improve the life-span and the security performance of right angle link plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of the right-angle hanging plate of the present invention;
fig. 2 is a view from a-a in fig. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
1-hanging plate body, 11-through hole, 12-hanging groove, 2-upper hanging bolt, 21-upper hanging nut, 22-upper bushing, 3-lower hanging bolt, 31-lower hanging nut, 32-lower bushing, 4-sleeve, 5-compression spring and 6-rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, a right-angle hanging plate for a lightning arrester comprises a hanging plate body 1, the cross section of the hanging plate body 1 is U-shaped, the tops of the two U-shaped side plates are provided with through holes 11 which are opposite and coaxial and form an upper hanging part, the bottom of the U-shaped side plate is provided with a lower hanging part, the middle position of the lower hanging part is provided with a hanging groove 12, the upper suspension part is provided with an upper suspension bolt 2 and an upper suspension nut 21 which are matched with each other, the lower suspension part is provided with a lower suspension bolt 3 and a lower suspension nut 31 which are matched with each other, and the upper suspension part also comprises an upper lining 22, a lower lining 32 and an elastic pressing device, the upper bushing 22 is sleeved on the screw rod between the bolt head of the upper suspension bolt 2 and the upper suspension nut 21, the lower bushing 32 is sleeved on a screw rod between the bolt head of the lower suspension bolt 3 and the lower suspension nut 31, and the elastic pressing device is arranged in the middle of the inner side of the hanging plate body 1;
the elastic pressing device comprises a sleeve 4, a compression spring 5 and two rubber blocks 6, the sleeve 4 is vertically welded at the middle position of the inner side of the hanging plate body 1, the compression spring 5 is inserted into the sleeve 4 and can slide up and down along the sleeve 4, the free length of the compression spring 5 is greater than that of the sleeve 4, and the two rubber blocks 6 are respectively fixed at the upper end and the lower end of the compression spring 5.
The upper bushing 22 and the lower bushing 32 are both cast from ZCuSn10Pb1 copper alloy, and the ZCuSn10Pb1 copper alloy has high hardness, excellent wear resistance, less possibility of seizure, good casting performance and cutting processing performance, and good corrosion resistance in atmosphere and fresh water.
The hanging plate body 1, the upper hanging bolt 2, the upper hanging nut 21, the lower hanging bolt 3 and the lower hanging nut 31 are all made of stainless steel, the stainless steel is corrosion-resistant, and the service life of the right-angle hanging plate can be prolonged.
The threaded ends of the upper suspension bolt 2 and the lower suspension bolt 3 are respectively provided with a pin hole, and an elastic split pin is inserted into the pin holes.
One specific application of this embodiment is: when in use, the cotter pin at the thread end of the upper suspension bolt 2 and the lower suspension bolt 3 is pulled out, the upper suspension nut 21 is unscrewed, the upper suspension bolt 2 and the upper bush 22 are taken out from the upper suspension part, the upper suspension part (suspension ring) on the iron tower cross arm support is inserted between the through holes of the two side plates of the upper suspension part, then the upper suspension bolt 2 and the upper bush 22 sleeved on the upper suspension bolt 2 are inserted into the through hole 11 of the upper suspension part together, the upper suspension nut 21 is screwed at one end of the upper suspension bolt 2 far away from the bolt head, then the lower suspension nut 31 is screwed down, the lower suspension bolt 3 and the lower bush 32 are taken out from the lower suspension part, the lower suspension part (ball head suspension ring) at the upper end of the lightning arrester is inserted into the suspension groove 12 of the lower suspension part by force, at the moment, the rubber pads 6 at the two ends of the elastic pressing device are respectively and tightly abutted against the upper suspension part and the lower suspension part, the lower suspension bolt 3 and the lower bush 32 sleeved on the lower, the lower suspension nut 31 is screwed on one end of the lower suspension bolt far away from the head of the bolt, and the elastic cotter pin is inserted into the pin holes of the upper suspension bolt 2 and the lower suspension bolt 3. The right-angle hanging plate is provided with an elastic pressing device, when the right-angle hanging plate is used, the elastic pressing device can press the upper hanging part and the upper hanging bolt 2 and the lower hanging part and the lower hanging bolt 3, so that sliding friction caused by relative sliding between the upper hanging part and the upper hanging bolt 2 and between the lower hanging part and the lower hanging bolt 3 is avoided, and meanwhile, the right-angle hanging plate can play a role in buffering and damping; through setting up bush 22 and lower bush 32 can reduce between last suspension part and the last suspension bolt 2, between last suspension bolt 2 and the link plate body 1, between lower suspension part and the lower suspension bolt 3 and between lower suspension bolt 3 and the link plate body 1 friction loss and surface wear, guarantee the mechanical strength of right angle link plate, improve the life-span and the security performance of right angle link plate.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.

Claims (4)

1. The utility model provides a lightning arrester right angle link plate, includes the link plate body, the transversal U type of personally submitting of link plate body, and open at the top of two curb plates of this U type has relative and coaxial through-hole and forms the portion of hanging, and the bottom of this U type forms the portion of hanging down, and the intermediate position of the portion of hanging down is opened there is the groove of hanging, it is equipped with the last suspension bolt and the last suspension nut of mutually supporting to go up the portion of hanging, the portion of hanging is equipped with the lower suspension bolt and the lower suspension nut of mutually supporting down, its characterized in that: the hanging plate comprises a hanging plate body and is characterized by further comprising an upper bushing, a lower bushing and an elastic pressing device, wherein the upper bushing is sleeved on a screw rod between a bolt head of an upper hanging bolt and an upper hanging nut;
the elastic pressing device comprises a sleeve, a compression spring and two rubber blocks, the sleeve is vertically welded at the middle position of the inner side of the hanging plate body, the compression spring is inserted in the sleeve and can slide up and down along the sleeve, the free length of the compression spring is greater than the length of the sleeve, and the two rubber blocks are respectively fixed at the upper end and the lower end of the compression spring.
2. The arrester right-angle hanging plate according to claim 1, characterized in that: the upper bushing and the lower bushing are both cast by ZCuSn10Pb1 copper alloy.
3. The arrester right-angle hanging plate according to claim 1, characterized in that: the hanging plate body, the upper hanging bolt, the upper hanging nut, the lower hanging bolt and the lower hanging nut are all made of stainless steel.
4. The arrester right-angle hanging plate according to claim 1, characterized in that: the threaded ends of the upper suspension bolt and the lower suspension bolt are provided with pin holes, and elastic cotter pins are inserted into the pin holes.
CN201920872128.5U 2019-06-11 2019-06-11 Right-angle hanging plate for lightning arrester Active CN210156892U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920872128.5U CN210156892U (en) 2019-06-11 2019-06-11 Right-angle hanging plate for lightning arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920872128.5U CN210156892U (en) 2019-06-11 2019-06-11 Right-angle hanging plate for lightning arrester

Publications (1)

Publication Number Publication Date
CN210156892U true CN210156892U (en) 2020-03-17

Family

ID=69762444

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920872128.5U Active CN210156892U (en) 2019-06-11 2019-06-11 Right-angle hanging plate for lightning arrester

Country Status (1)

Country Link
CN (1) CN210156892U (en)

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