CN217521226U - Telescopic arrester insulating rod - Google Patents
Telescopic arrester insulating rod Download PDFInfo
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- CN217521226U CN217521226U CN202221155608.8U CN202221155608U CN217521226U CN 217521226 U CN217521226 U CN 217521226U CN 202221155608 U CN202221155608 U CN 202221155608U CN 217521226 U CN217521226 U CN 217521226U
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- hoop
- arrester
- telescopic
- rod body
- telescopic rod
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Abstract
This specification embodiment provides a retractable arrester insulator spindle, includes: the upper section of the lightning arrester insulating rod and the lower section of the lightning arrester insulating rod are arranged in parallel; the upper segment arrester insulator spindle includes: the telescopic triangular hoop is connected with a grading ring on the lightning arrester; the upper section telescopic rod body is a telescopic rod body and is connected with a telescopic triangular hoop; lower section arrester insulator spindle includes: the lightning arrester comprises two semicircular hoops and a lower section telescopic rod body, wherein the two semicircular hoops are fixed to the middle positions of an upper flange plate and a lower flange plate of the lightning arrester; the lower section of telescopic rod body is a telescopic rod body and is connected with two semicircular hoops so as to solve the problem that the direct current leakage current test of the lightning arrester causes the standard exceeding of test data due to the small angle problem of the directly hanging shielding wire.
Description
Technical Field
This document relates to arrester insulator spindle technical field especially relates to a retractable arrester insulator spindle.
Background
In the direct current leakage current test of the lightning arrester, the shielding wire is directly hung on the zinc oxide lightning arrester due to the influences of field electromagnetic field environment, compact equipment installation and a wiring mode, and in the direct current leakage current test of the ground fixed traction shielding wire and the lightning arrester at an angle of 45 degrees, the phenomenon that each section of direct current leakage current exceeds the standard is found, the test is unqualified, the lightning arrester is unqualified, and the lightning arrester cannot be normally put into use is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a retractable arrester insulator spindle aims at solving above-mentioned problem.
One or more embodiments of the present specification provide a retractable arrester insulation bar, including: the upper section of the lightning arrester insulating rod and the lower section of the lightning arrester insulating rod are arranged in parallel;
the upper segment arrester insulator spindle includes: the telescopic triangular hoop is connected with a grading ring on the lightning arrester; the upper section telescopic rod body is a telescopic rod body and is connected with a telescopic triangular hoop;
lower section arrester insulator spindle includes: the lightning arrester comprises two semicircular hoops and a lower section telescopic rod body, wherein the two semicircular hoops are fixed to the middle positions of an upper flange plate and a lower flange plate of the lightning arrester; the lower section of telescopic rod body is a telescopic rod body and is connected with two semicircular hoops.
Adopt the embodiment of the utility model provides a, when overhauing high pressure preliminary examination at every turn, ready insulator spindle and shielded wire, directly hung insulator spindle and shielded wire when electrical professional beats the high-voltage connection line to convenient quick direct current leakage current who carries out the arrester is experimental.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present specification, and that other drawings may be obtained by those skilled in the art without inventive labor.
Fig. 1 is a schematic view of an insulating rod of a retractable lightning arrester according to an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides a schematic diagram that retractable arrester insulator spindle and arrester cooperation were used.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in one or more embodiments of the present disclosure, the technical solutions in one or more embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in one or more embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all embodiments. All other embodiments that can be derived by a person skilled in the art from one or more of the embodiments described herein without making any inventive step shall fall within the scope of protection of this document.
The embodiment of the utility model provides a telescopic arrester insulator spindle, the embodiment of the utility model provides a pair of telescopic arrester insulator spindle specifically includes:
the upper section of the lightning arrester insulating rod and the lower section of the lightning arrester insulating rod are arranged in parallel;
the upper segment arrester insulator spindle includes: the telescopic triangular hoop is connected with a grading ring on the lightning arrester; the upper section telescopic rod body is a telescopic rod body and is connected with a telescopic triangular hoop;
wherein, scalable triangle-shaped staple bolt specifically includes: the device comprises a first hoop large arm, a second hoop large arm, a first hoop small arm and a second hoop small arm, wherein the first hoop small arm and the first hoop large arm are connected to form a telescopic sleeve structure; the tails of the first hoop small arm and the second hoop small arm are both arranged to be of circular hook structures and are connected with the grading ring of the lightning arrester through the circular hook structures. The large first hoop arm and the large second hoop arm are fixed through a central shaft screw, and an included angle between the large first hoop arm and the large second hoop arm is adjusted through the central shaft screw. The fixed length between the first hoop small arm and the first hoop large arm and between the second hoop small arm and the second hoop large arm are fixed through positioning screws.
The upper section telescopic rod body is connected with the two hoop large arms by adopting screws through holes at the tail part.
The upper segment arrester insulator spindle further includes: the first safety ring is arranged at the head of the upper section telescopic rod body.
Lower section arrester insulator spindle includes: the lightning arrester comprises two semicircular hoops and a lower section telescopic rod body, wherein the two semicircular hoops are fixed to the middle positions of an upper flange plate and a lower flange plate of the lightning arrester; the lower section of telescopic rod body is a telescopic rod body and is connected with two semicircular hoops.
Wherein, two semi-circular staple bolts pass through the center pin screw and connect to adjust two semi-circular staple bolt angles through the center pin screw.
The lower section of telescopic rod body is connected with the two semicircular hoops through holes formed in the tail part of the lower section of telescopic rod body.
The section of lower arrester insulator spindle further includes: the second safety ring is arranged at the head part of the lower section of the telescopic rod body.
Fig. 1 is a schematic view of a retractable arrester insulating rod provided by an embodiment of the present invention, the left side of fig. 1 is an upper segment arrester insulating rod, the right side is a lower segment arrester insulating rod, the component 1 is a hoop connecting central shaft screw, a hole at the tail of the upper segment telescopic rod body is connected with a hoop large arm 2 through a screw, the two hoop large arms 2 are fixed through the central shaft screw 1, an angle can be arbitrarily adjusted between the two hoop large arms 2, the two hoop small arms 4 and the two hoop large arms 2 are retractable sleeves, the hoop large arms 2 and the small arms 4 can be fixed in length through positioning screws 3 so as to adapt to grading rings with different sizes; the tail parts of the two anchor ear small arms 4 are respectively made into a round hook 5 with the diameter of 80mm, and the round hooks are hooked on the grading ring 9; the telescopic insulator rod is characterized in that the upper section telescopic rod body is a telescopic insulator rod and comprises a telescopic outer tube 6 and a telescopic inner tube 7, the upper section telescopic rod body is placed on the grading ring, the two circles are hooked with the two rings to form a stable triangle, the total length of the upper section lightning arrester insulator rod is 2 meters after being extended, and the length of the upper section lightning arrester insulator rod is about 1 meter after being retracted, so that the telescopic insulator rod is convenient to carry. The head of the upper section of telescopic rod body is provided with a safety ring 8, and a cable is put into the safety buckle on the safety ring 8 when the safety buckle is opened, and then the safety buckle is automatically closed to fix the cable.
Fig. 2 is the embodiment of the utility model provides a pair of retractable arrester insulator spindle uses with arrester cooperation schematic diagram, when overhauing high pressure preliminary examination at every turn, ready insulator spindle and shielded wire, directly hung insulator spindle and shielded wire in proper order when electric professional beats the high-voltage connection line, collude on equalizer ring 21 through the afterbody triangle staple bolt of upper segment arrester insulator spindle 22. The shielding wire vertically falls to a position 1.5m above the ground after penetrating through the safety ring 23 of the insulating rod of the upper segment arrester, is connected with the high-voltage test wire when the upper segment arrester is tested, and is directly grounded when the lower segment arrester is tested.
The circular hoop at the tail part of the lower section arrester insulating rod 25 is hung between the upper flange plate 24 and the lower flange plate 24 of the arrester, the shielding wire passes through the safety ring 26 of the lower section arrester insulating rod and vertically falls to a position 1.5m above the ground, the shielding wire is directly grounded when the upper section arrester is tested, and the shielding wire is connected with the high-voltage test wire when the lower section arrester is tested.
After the upper segment arrester insulating rod, the lower segment arrester insulating rod and the shielding wire are well built, according to test data of a 330kV arrester, a measuring lead and tested equipment are 90 degrees and droop after keeping a certain horizontal distance, when the distance between a pressurizing wire and a peripheral object is at least larger than 1.5m, the leakage current is small and is lower than a notice value of 50 muA, and the test is qualified. Table 1 shows the data of the influence of the included angle between the high-voltage lead and the arrester on the leakage current.
TABLE 1 data of the influence of the included angle between the high-voltage lead and the arrester on the leakage current
Through the embodiment of the utility model provides a, can effectively avoid because the direct current leakage current problem that the influence of on-the-spot electromagnetic field environment, equipment fixing compactness and mode of connection leads to exceeds standard, through the correct analysis of data, avoided the misjudgment to equipment, guaranteed the safety and stability operation of equipment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a retractable arrester insulator spindle which characterized in that includes: the upper section of the lightning arrester insulating rod and the lower section of the lightning arrester insulating rod are arranged in parallel;
the upper segment arrester insulating rod comprises: the lightning arrester comprises a telescopic triangular hoop and an upper section of telescopic rod body, wherein the telescopic triangular hoop is connected with a grading ring on the lightning arrester; the upper section telescopic rod body is a telescopic rod body and is connected with the telescopic triangular hoop;
lower section arrester insulator spindle includes: the lightning arrester comprises two semicircular hoops and a lower section telescopic rod body, wherein the two semicircular hoops are fixed to the middle positions of an upper flange plate and a lower flange plate of the lightning arrester; the lower section of telescopic rod body is a telescopic rod body and is connected with the two semicircular hoops.
2. The retractable arrester insulator mast of claim 1, wherein the retractable triangular hoop specifically comprises: the novel hoop structure comprises a first hoop large arm, a second hoop large arm, a first hoop small arm and a second hoop small arm, wherein the first hoop small arm is connected with the first hoop large arm to form a telescopic sleeve structure, the second hoop small arm is connected with the second hoop large arm to form a telescopic sleeve structure, and the first hoop large arm is connected with the second hoop large arm.
3. The telescopic arrester insulating rod according to claim 2, wherein the tails of the first and second hoop arms are both configured as a hook-shaped structure and are connected to the grading ring of the arrester through the hook-shaped structure.
4. The telescopic arrester insulating rod as claimed in claim 2, wherein the upper telescopic rod body is connected with the two hoop arms by screws through holes formed in the tail part of the upper telescopic rod body.
5. The retractable arrester insulator of claim 2, wherein the first and second hoop arms are fixed by a central shaft screw, and an included angle between the first and second hoop arms is adjusted by the central shaft screw.
6. The telescopic arrester insulation rod according to claim 2, wherein the first hoop small arm and the first hoop large arm and the second hoop small arm and the second hoop large arm are fixed in length by a set screw.
7. The telescopic arrester insulating rod according to claim 1, wherein the two semicircular hoops are connected by a central shaft screw, and the angles of the two semicircular hoops are adjusted by the central shaft screw.
8. The telescopic arrester insulating rod as claimed in claim 1, wherein the lower telescopic rod body is connected with two semicircular hoops through a hole at the tail part by screws.
9. The telescopic arrester insulator of claim 1, wherein the upper segment arrester insulator further comprises: the first safety ring is arranged at the head of the upper section telescopic rod body.
10. The telescopic arrester insulator of claim 1, wherein the lower segment arrester insulator further comprises: and the second safety ring is arranged at the head part of the lower section telescopic rod body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221155608.8U CN217521226U (en) | 2022-05-13 | 2022-05-13 | Telescopic arrester insulating rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221155608.8U CN217521226U (en) | 2022-05-13 | 2022-05-13 | Telescopic arrester insulating rod |
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CN217521226U true CN217521226U (en) | 2022-09-30 |
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CN202221155608.8U Active CN217521226U (en) | 2022-05-13 | 2022-05-13 | Telescopic arrester insulating rod |
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CN (1) | CN217521226U (en) |
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2022
- 2022-05-13 CN CN202221155608.8U patent/CN217521226U/en active Active
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