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CN-224221638-U - Lightning arrester insulating sleeve spraying tool

CN224221638UCN 224221638 UCN224221638 UCN 224221638UCN-224221638-U

Abstract

The utility model discloses a spraying tool for an insulating sleeve of a lightning arrester, which comprises a hanging device, a clamping ring, a cone head seat and the insulating sleeve of the lightning arrester. The hanging device is provided with a side wall, the clamping ring is of an annular structure, the cone seat is of a cylindrical structure, one end of the lightning arrester insulating sleeve is provided with a hanging hole, the other end of the lightning arrester insulating sleeve, which is far away from the hanging hole, is provided with a cone head, one end of the cone head, which is close to the hanging hole, is axially provided with a cone head skirt edge in a protruding mode, the lightning arrester insulating sleeve spraying tool can improve the insulating performance of the lightning arrester insulating sleeve, the phenomenon of partial discharge is avoided, and the clamping ring, the cone head skirt edge and the cone seat form mechanical interlocking, so that the mechanical structural strength of connection is guaranteed, the risk is reduced, the operation is simple, and the device is safe and reliable.

Inventors

  • XU DONG
  • Zhang Zeen
  • LI JINGUANG

Assignees

  • 深圳市沃尔电力技术有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. A arrester insulating boot spraying frock for arrester insulating boot's spraying protection, its characterized in that includes: A suspension device (1), the suspension device (1) having a side wall; A hanging hole (41) is formed in one end of the lightning arrester insulating sleeve (4), the lightning arrester insulating sleeve (4) is sleeved on the side wall of the hanging device (1) so that the wall of the hanging hole (41) is fixedly connected with the hanging device (1), a conical head (42) is arranged at one end, far away from the hanging device (1), of the lightning arrester insulating sleeve (4), and a conical head skirt (421) is axially and convexly arranged at one end, close to the hanging hole (41), of the conical head (42); The clamping ring (2), the clamping ring (2) is provided with a clamping ring inner wall (201) and a clamping ring outer wall (202), a clamping table (24) protruding radially is arranged at the bottom of the clamping ring inner wall (201), a conical head seat hole (22) is formed by surrounding the clamping table (24) along the circumferential direction, a protection table (23) protruding radially is arranged at the top of the clamping ring inner wall (201), and a conical head hole (21) is formed by surrounding the protection table (23) along the circumferential direction; The cone head seat (3), the cone head seat (3) is of a cylindrical structure, the cone head seat (3) is provided with a cone head seat side wall (301) and a cone head seat bottom wall (302), the cone head seat side wall and the cone head seat bottom wall (302) form a sleeve groove (31), the cone head seat bottom wall (302) is provided with a through hole (33), and the cone head seat side wall (301) is away from the outer peripheral surface of the sleeve groove (31) and is provided with a cone head seat clamping groove (32); The cone head (42) is correspondingly and tightly connected with the sleeve groove (31) through the clamping ring (2), the clamping table (24) is correspondingly and tightly connected with the cone head seat clamping groove (32) so that the inner wall (201) of the clamping ring is abutted to the side wall (301) of the cone head seat, and the cone head skirt edge (421) is abutted to the protection table (23).
  2. 2. The lightning arrester insulating sleeve spraying tool according to claim 1, wherein the hanging device (1) comprises a plug (10), a fixing piece (5) and a hanging piece (6), the fixing piece (5) is fixedly connected to the plug (10), and the hanging piece (6) is sleeved on the fixing piece (5).
  3. 3. The lightning arrester insulating sleeve spraying tool according to claim 1, characterized in that the clamping ring (2) is of an annular structure, and the clamping ring (2) comprises two half rings (20) of the same structure.
  4. 4. The lightning arrester insulating sleeve spraying tool according to claim 1, characterized in that an inclined plane (26) is arranged on the protection table (23), the diameter of one end of the conical head hole (21) far away from the clamping table (24) is larger than the diameter of one end of the conical head hole (21) near the clamping table (24), and the diameter of one end of the conical head hole (21) near the clamping table (24) is smaller than the outer diameter of the conical head (42).
  5. 5. The lightning arrester insulating sleeve spraying tool according to claim 2, characterized in that the plug (10) is of a columnar structure, the plug (10) is provided with an axial plug side wall (11) and a top surface (12) perpendicular to the axial direction, the plug side wall (11) is provided with a plug table (14) protruding outwards in the radial direction, the top surface (12) is provided with a fixing hole (13), and the fixing piece (5) is fixedly connected with the fixing hole (13).
  6. 6. The lightning arrester insulating sleeve spraying tool according to claim 5, characterized in that the fixing piece (5) comprises a half-tooth screw (51), a nut (52), an upper wear-proof sheet (53) and a lower wear-proof sheet (54), the half-tooth screw (51) comprises a head (511), a bearing surface (512), a rod portion (513), a tooth portion (514) and a leading-in portion (515), the upper wear-proof sheet (53) is sleeved on the rod portion (513) and is abutted to the bearing surface (512), the lower wear-proof sheet (54) is sleeved on the rod portion (513) and is arranged at intervals with the upper wear-proof sheet (53), the nut (52) is rotatably connected to the tooth portion (514) and is abutted to the lower wear-proof sheet (54), and the half-tooth screw (51) is fixedly connected with the fixing hole (13) so that the nut (52) is abutted to the plug (10).
  7. 7. The lightning arrester insulating sleeve spraying tool according to claim 6, characterized in that the hanging piece (6) comprises a hook (61) and a through pipe (62), the through pipe (62) is a hollow cylinder, and the hook (61) is fixedly connected with the outer wall of the through pipe (62).
  8. 8. The lightning arrester insulating sleeve spraying tool according to claim 5, wherein the lightning arrester insulating sleeve (4) is sleeved on the outer wall of the plug (10), and the plugging table (14) is abutted with the hanging hole (41) so that the wall of the hanging hole (41) is fixedly connected with the plug (10).
  9. 9. The lightning arrester insulating sleeve spraying tool according to claim 7, characterized in that the through pipe (62) is sleeved outside the rod portion (513) of the half-tooth screw (51) and between the upper wear plate (53) and the lower wear plate (54).
  10. 10. The lightning arrester bushing spray tool of claim 7, wherein the inner diameter of the tube (62) is greater than the diameter of the stem (513), and the outer diameter of the tube (62) is less than the diameter of the upper wear plate (53).

Description

Lightning arrester insulating sleeve spraying tool Technical Field The utility model relates to the technical field of safety protection of power equipment, in particular to a spraying tool for an insulating sleeve of a lightning arrester. Background In an electric power system, an arrester is a device commonly used in the electric power system, which can protect the device from overvoltage damage when the electric device is subjected to overvoltage impact, an insulation sleeve arranged outside the arrester can prevent lightning arc breakdown and pollution, so that the service life of the arrester is prolonged, a semiconductor material is sprayed on the outer surface of the insulation sleeve of the arrester, uniform electric field distribution and partial discharge prevention are facilitated, but the insulation sleeve of the arrester has a relatively complex structure, a cavity, a cone head and a lower surface, particularly the lower surface of a skirt edge cannot be sprayed on the semiconductor material, otherwise the insulation performance of the insulation sleeve of the arrester is affected or partial discharge is caused, and therefore, the outer surface of the insulation sleeve of the arrester needs to be sprayed uniformly by designing a tool. Disclosure of utility model The utility model discloses a lightning arrester insulating sleeve spraying tool, and aims to provide a lightning arrester insulating sleeve spraying tool capable of uniformly spraying semiconductor materials. In order to achieve the above purpose, the utility model provides a spraying tool for an insulation sleeve of an arrester, which is used for spraying protection of the insulation sleeve of the arrester, and comprises the following components: a suspension device having a side wall; A hanging hole is formed in one end of the lightning arrester insulating sleeve, the lightning arrester insulating sleeve is sleeved on the side wall of the hanging device so that the wall of the hanging hole is fixedly connected with the hanging device, a conical head is arranged at one end of the lightning arrester insulating sleeve, which is far away from the hanging device, and a conical head skirt edge is axially and convexly arranged at one end of the conical head, which is close to the hanging hole; The clamping ring is provided with a clamping ring inner wall and a clamping ring outer wall, a clamping table protruding radially is arranged at the bottom of the clamping ring inner wall, a conical head seat hole is formed by surrounding the clamping table along the circumferential direction, a protection table protruding radially is arranged at the top of the clamping ring inner wall, and a conical head hole is formed by surrounding the protection table along the circumferential direction; The cone head seat is of a cylindrical structure, the cone head seat is provided with a cone head seat side wall and a cone head seat bottom wall, the cone head seat side wall and the cone head seat bottom wall form a sleeve groove, the cone head seat bottom wall is provided with a through hole, and the cone head seat side wall is away from the outer peripheral surface of the sleeve groove and is provided with a cone head seat clamping groove; The cone head is correspondingly and tightly connected with the sleeve groove through the clamping ring, the clamping table is correspondingly and tightly connected with the cone head seat clamping groove so that the inner wall of the clamping ring is abutted to the side wall of the cone head seat, and the cone head skirt edge is abutted to the protection table. Preferably, the suspension device comprises a plug, a fixing piece and a suspension piece, wherein the fixing piece is fixedly connected with the plug, and the suspension piece is sleeved on the fixing piece. Preferably, the clamping ring is of an annular structure, and comprises two semi-rings of the same structure. Preferably, an inclined plane is arranged on the protection platform, the diameter of one end of the conical head hole far away from the clamping platform is larger than the diameter of one end of the conical head hole close to the clamping platform, and the diameter of the conical head hole close to one end of the clamping platform is smaller than the outer diameter of the conical head. Preferably, the plug is of a columnar structure, the plug is provided with an axial plug side wall and a top surface perpendicular to the axial direction, the plug side wall is provided with a plug table protruding outwards in the radial direction, the top surface is provided with a fixing hole, and the fixing piece is fixedly connected with the fixing hole. Preferably, the fixing piece comprises a half-tooth screw, a nut, an upper anti-abrasion sheet and a lower anti-abrasion sheet, wherein the half-tooth screw comprises a head, a bearing surface, a rod part, a tooth part and a leading-in part, the upper anti-abrasion sheet is sleeved on the rod part and is abutted to