CN210667935U - Fixed adjustable ground wire glass insulator in clearance - Google Patents
Fixed adjustable ground wire glass insulator in clearance Download PDFInfo
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- CN210667935U CN210667935U CN201921808372.1U CN201921808372U CN210667935U CN 210667935 U CN210667935 U CN 210667935U CN 201921808372 U CN201921808372 U CN 201921808372U CN 210667935 U CN210667935 U CN 210667935U
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Abstract
The utility model provides a fixed adjustable ground wire glass insulator in clearance, wherein a universal glass piece is coaxially sleeved inside a groove-shaped iron cap, and a single flat steel foot is coaxially sleeved inside the universal glass piece; the upper electrode and the lower electrode are oppositely matched and arranged, and a discharge gap is formed between the upper electrode and the lower electrode; the upper electrode is fixed on the outer side of the groove-shaped iron cap through a first connecting piece with an adjustable radial installation angle, and the lower electrode is fixed on the outer side of the single flat steel foot through a second connecting piece; the distance of the discharge gap is changed along with the radial installation angle of the first connecting piece; the first connecting piece is of a hoop structure and is sleeved outside the groove-shaped iron cap, the tail end of the upper electrode is fixedly connected with the first connecting piece, at least two positioning blind holes are uniformly formed in the outer surface of the groove-shaped iron cap, protruding points matched with the positioning blind holes are arranged on the first connecting piece, and the protruding points can be embedded into any positioning blind hole. The utility model discloses the mounted position is fixed, can not lead to the clearance difference because of factors such as installation, and the working condition is more stable.
Description
Technical Field
The invention relates to the technical field of ground wire insulation of power transmission lines, in particular to a fixed and adjustable gap ground wire glass insulator.
Background
The ground wire insulation operation is an important measure for preventing the lightning stroke of the overhead transmission line, and plays an important role in ensuring the normal operation of the overhead transmission line and providing high-quality electric power service. Generally, the ground wire is used better as the line voltage increases, and is one of the most common lightning protection measures due to its economic advantages. The device used in the ground wire insulation of the overhead transmission line mainly comprises two parts, namely a parallel gap and an insulator.
The electrode installation mode of glass, porcelain ground wire insulator that uses on the transmission line usually is that the bottom electrode is fixed on single flat steel foot, and the top electrode is fixed through groove type iron cap end half clamp, and the clearance distance of top and bottom electrode passes through the rotatory realization of groove type iron cap end half clamp during circuit construction installation, and specific clearance distance can have great difference because of different personnel installation habits and operating error etc. promptly hardly guarantees the uniformity in the insulation clearance of whole line after the installation, is difficult to satisfy the design accuracy requirement. In addition, in the operation process of the installed ground wire insulator, fatigue and looseness of a half hoop can occur due to wind swing, vibration and the like, so that the change of the absolute bright gap is caused, and even the phenomenon that two electrodes are directly lapped and conducted is caused, so that the ground wire insulator fails, and the operation safety and stability of a power transmission line are influenced.
Disclosure of Invention
The invention aims to provide a fixed and adjustable gap ground wire glass insulator aiming at the defects of the prior art, the installation position is fixed, gap difference caused by installation and other factors can be avoided, and the working condition is more stable.
The invention provides a fixed adjustable ground wire glass insulator in clearance, which is characterized by comprising a groove-shaped connection glass insulator consisting of a groove-shaped iron cap, a universal glass piece and a single flat steel pin; the universal glass piece is coaxially sleeved inside the groove-shaped iron cap, and the single flat steel foot is coaxially sleeved inside the universal glass piece; the upper electrode and the lower electrode are oppositely matched and arranged, and a discharge gap is formed between the upper electrode and the lower electrode; the upper electrode is fixed on the outer side of the groove-shaped iron cap through a first connecting piece with an adjustable radial installation angle, and the lower electrode is fixed on the outer side of the single flat steel foot through a second connecting piece; the distance of the discharge gap is changed along with the radial installation angle of the first connecting piece; the first connecting piece is of a hoop structure and is sleeved outside the groove-shaped iron cap, the tail end of the upper electrode is fixedly connected with the first connecting piece, at least two positioning blind holes are uniformly formed in the outer surface of the groove-shaped iron cap, protruding points matched with the positioning blind holes are arranged on the first connecting piece, and the protruding points can be embedded into any positioning blind hole.
In the technical scheme, the centers of the plurality of positioning blind holes are uniformly distributed along the radial direction of the groove-shaped iron cap.
In the technical scheme, the groove-shaped iron cap and the single flat steel foot are fixedly connected with the universal glass piece through cement adhesive.
In the technical scheme, the novel iron cap also comprises a pin shaft and a closed pin, wherein the tail end of the pin shaft penetrates through two symmetrically arranged slotted holes in the top of the slotted iron cap; the closed pin penetrates through the through hole at the tail end of the pin shaft; the nail cap and the closed pin at the head end of the pin shaft are respectively positioned at two sides of the slotted hole.
In the technical scheme, the second connecting piece comprises a bolt, the tail end of the lower electrode is provided with a thread matched with the bolt and a limiting platform matched with the edge of the mounting hole, the tail end of the lower electrode penetrates through the single flat steel foot to be fixedly connected with the single flat steel foot through the bolt, and the limiting platform and the bolt are respectively positioned on two sides of the single flat steel foot.
In the technical scheme, the upper electrode is of a bent plate-shaped structure, one section of the upper electrode is fixedly connected with the first connecting piece, the extending direction of the upper electrode is vertical to the axis of the groove-shaped iron cap, and the other section of the upper electrode is bent downwards; the two bent sections of the upper electrode are in the same plane parallel to the axis of the groove-shaped iron cap.
In the technical scheme, the lower electrode is of a rod-shaped structure and comprises an arc section, a mounting section and an electrode section, wherein the electrode section and the mounting section respectively extend outwards from the upper end and the lower end of the arc section; the mounting section penetrates through the single flat steel foot and is vertically and fixedly connected with the single flat steel foot; the electrode section inclines to extend to the upper part of the outer side of the groove-shaped iron cap and is arranged opposite to the upper electrode; the arc section is used for avoiding the universal glass piece.
The invention has fixed installation position, does not cause gap difference due to factors such as installation and the like, and has more stable working condition. Under the condition of ensuring the functions of the rod-plate discharging structure, the gap distance in the expected gap adjusting range can be adjusted in a grading mode according to the requirements of circuit design, and more reliable gaps and stability are provided. The invention has better stability, the discharge gap is not influenced by installation factors, and the gap distance is fixed and can not be changed in the operation process; the applicability is better, and the gap distance can be adjusted according to the requirement of circuit design and the expected fixed spacing of the design; the practicality is better, and the device is made and is adopted current ripe glass insulator manufacturing process, the batch production of being convenient for.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a side view of the principal parts of the ground glass insulator of the present invention;
FIG. 3 is a schematic view a of a first connector of the present invention
FIG. 4 is a schematic view b of the first connecting member of the present invention
FIG. 5 is a schematic view of the lower electrode of the present invention
The device comprises a cylindrical pin 1, a closed pin 2, a groove-shaped iron cap 3, a universal glass piece 4, a single flat steel foot 5, an upper electrode 6, a first connecting piece 7, a lower electrode 8, an arc section 81, an installation section 82, an electrode section 83, a bolt 9, a positioning blind hole 10 and a salient point 11.
Detailed Description
The invention will be further described in detail with reference to the following drawings and specific examples, which are not intended to limit the invention, but are for clear understanding.
Fig. 1 shows a front view and a side view of the major parts of the ground glass insulator according to the embodiment of the present invention. The whole device mainly comprises a groove-shaped connecting glass insulator and a discharge electrode, is assembled in an upper-lower structure, and mainly comprises a cylindrical pin 1, a closed pin 2, a groove-shaped iron cap 3, an upper electrode 6, a first connecting piece 7, a universal glass piece 4, a single flat steel foot 5 and a lower electrode 8 from top to bottom. The groove-shaped iron cap 3, the universal glass part 4 and the single flat steel foot 5 are assembled up and down in vertical axis symmetry, the upper electrode and the lower electrode are assembled in a cross shape on the vertical surface, a certain spacing distance is ensured, and a discharge gap is formed. Wherein the universal glass part 4 is coaxially sleeved inside the groove-shaped iron cap 3, and the single flat steel foot is coaxially sleeved inside the universal glass part 4; the groove-shaped iron cap 3 and the single flat steel foot 5 are fixedly connected with the universal glass piece 4 through cement adhesive.
The upper electrode 6 is of a bent plate-shaped structure, one section of the upper electrode 6 is fixedly connected with the first connecting piece 7, the extending direction of the upper electrode is vertical to the axis of the groove-shaped iron cap, and the other section of the upper electrode 6 is bent downwards; the two bent sections of the upper electrode 6 are in the same plane parallel to the axis of the groove-shaped iron cap 3.
In the above technical solution, the lower electrode 8 is a rod-shaped structure and includes an arc segment 81, a mounting segment 82 and an electrode segment 83, wherein the electrode segment 83 and the mounting segment 82 respectively extend outwards from the upper end and the lower end of the arc segment 81; the mounting section is provided with threads matched with the bolts, and the mounting section 82 penetrates through the single flat steel foot 5 and is vertically and fixedly connected with the single flat steel foot through the matching of the bolts and the threads; the electrode section 83 extends obliquely to the upper part of the outer side of the trough-shaped iron cap and is arranged opposite to the upper electrode; the arc section is used for avoiding the universal glass piece.
Specifically, the cylindrical pin 1 of the groove-type connecting glass insulator penetrates into a groove hole of the groove-type iron cap 3 and is locked by the closed pin 2 in a threaded mode, and therefore hardware fittings can be conveniently connected and fixed.
In the above technical solution, the first connecting member 7 is a hoop structure, and the mounting plate thereof is integrally connected with the parallel section of the upper electrode. The first connecting piece is of a hoop structure and is sleeved outside the groove-shaped iron cap, the tail end of the upper electrode or the lower electrode is fixedly connected with the first connecting piece, at least two positioning blind holes 10 are uniformly formed in the outer surface of the groove-shaped iron cap, salient points 11 matched with the positioning blind holes are arranged on the first connecting piece, and the salient points 11 can be embedded into any positioning blind hole 10; the centers of the plurality of positioning blind holes are distributed along the radial direction of the groove-shaped iron cap.
In the specific embodiment, as shown in the figure, a convex point B is designed on the inner arc surface of a clamp of a first connecting piece, an outer arc surface is punched on a groove-shaped iron cap, and four positioning blind holes A1-A4 are designed; the electrode gaps are adjusted by clamping the raised positioning points of the inner arc surface of the electrode hoop in different positioning blind holes of the iron cap, and the electrode gaps corresponding to A1-A4 are 20mm, 40mm, 60mm and 80mm respectively. When other positions are installed, due to the existence of the clamp protrusions, the electrodes cannot be assembled smoothly, and the installation and the positioning of the upper electrodes are effectively realized.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.
Claims (7)
1. A gap-fixed adjustable ground wire glass insulator is characterized by comprising a groove-shaped connection glass insulator consisting of a groove-shaped iron cap, a universal glass piece and a single flat steel pin; the universal glass piece is coaxially sleeved inside the groove-shaped iron cap, and the single flat steel foot is coaxially sleeved inside the universal glass piece; the upper electrode and the lower electrode are oppositely matched and arranged, and a discharge gap is formed between the upper electrode and the lower electrode; the upper electrode is fixed on the outer side of the groove-shaped iron cap through a first connecting piece with an adjustable radial installation angle, and the lower electrode is fixed on the outer side of the single flat steel foot through a second connecting piece; the distance of the discharge gap is changed along with the radial installation angle of the first connecting piece; the first connecting piece is of a hoop structure and is sleeved outside the groove-shaped iron cap, the tail end of the upper electrode is fixedly connected with the first connecting piece, at least two positioning blind holes are uniformly formed in the outer surface of the groove-shaped iron cap, protruding points matched with the positioning blind holes are arranged on the first connecting piece, and the protruding points can be embedded into any positioning blind hole.
2. The fixed adjustable ground glass insulator of claim 1, wherein centers of said plurality of blind positioning holes are uniformly distributed along a radial direction of said channel-shaped iron cap.
3. The fixed adjustable ground glass insulator of claim 1, wherein the channel cap and the single flat steel foot are fixedly connected to the universal glass member by cement.
4. The fixed adjustable ground glass insulator of claim 1 further comprising a pin and a closed pin, wherein the ends of the pin pass through two symmetrically disposed slots at the top of the slotted iron cap; the closed pin penetrates through the through hole at the tail end of the pin shaft; the nail cap and the closed pin at the head end of the pin shaft are respectively positioned at two sides of the slotted hole.
5. The fixed adjustable ground wire glass insulator of claim 1, wherein the second connecting member comprises a bolt, the end of the lower electrode is provided with a thread matched with the bolt and a limiting platform matched with the edge of the mounting hole, the end of the lower electrode penetrates through the single flat steel foot and is fixedly connected with the single flat steel foot through the bolt, and the limiting platform and the bolt are respectively positioned at two sides of the single flat steel foot.
6. The fixed adjustable ground glass insulator of claim 1, wherein the upper electrode is a bent plate-like structure, one section of the upper electrode is fixedly connected with the first connecting member and extends in a direction perpendicular to the axis of the channel-shaped iron cap, and the other section of the upper electrode is bent downward; the two bent sections of the upper electrode are in the same plane parallel to the axis of the groove-shaped iron cap.
7. The fixed adjustable ground glass insulator of claim 1, wherein the lower electrode is a rod-like structure including an arc segment, a mounting segment and an electrode segment, wherein the electrode segment and the mounting segment extend outwardly from the upper and lower ends of the arc segment; the mounting section penetrates through the single flat steel foot and is vertically and fixedly connected with the single flat steel foot; the electrode section inclines to extend to the upper part of the outer side of the groove-shaped iron cap and is arranged opposite to the upper electrode; the arc section is used for avoiding the universal glass piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808372.1U CN210667935U (en) | 2019-10-25 | 2019-10-25 | Fixed adjustable ground wire glass insulator in clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921808372.1U CN210667935U (en) | 2019-10-25 | 2019-10-25 | Fixed adjustable ground wire glass insulator in clearance |
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| Publication Number | Publication Date |
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| CN210667935U true CN210667935U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921808372.1U Active CN210667935U (en) | 2019-10-25 | 2019-10-25 | Fixed adjustable ground wire glass insulator in clearance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314279A (en) * | 2021-06-08 | 2021-08-27 | 广东电网有限责任公司 | Ground wire insulator electrode fixed ring structure |
| CN116759169A (en) * | 2023-08-17 | 2023-09-15 | 安徽万凯电力器材有限公司 | Insulator metal iron cap and intelligent processing equipment for forming insulator metal iron cap |
-
2019
- 2019-10-25 CN CN201921808372.1U patent/CN210667935U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113314279A (en) * | 2021-06-08 | 2021-08-27 | 广东电网有限责任公司 | Ground wire insulator electrode fixed ring structure |
| CN113314279B (en) * | 2021-06-08 | 2022-06-10 | 广东电网有限责任公司 | Ground wire insulator electrode fixed ring structure |
| CN116759169A (en) * | 2023-08-17 | 2023-09-15 | 安徽万凯电力器材有限公司 | Insulator metal iron cap and intelligent processing equipment for forming insulator metal iron cap |
| CN116759169B (en) * | 2023-08-17 | 2023-11-24 | 安徽万凯电力器材有限公司 | Insulator metal iron cap and intelligent processing equipment for forming insulator metal iron cap |
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