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CN-224217984-U - High withstand voltage GIS casing

CN224217984UCN 224217984 UCN224217984 UCN 224217984UCN-224217984-U

Abstract

The utility model relates to the technical field of GIS shells and discloses a high-pressure-resistant GIS shell, which comprises a main shell, wherein the main shell comprises a base, the base is a semi-cylinder, end posts and an interface flange are respectively arranged at two ends of the base, a connecting cylinder is connected to the interface flange, the connecting cylinder and the end posts are both in a cylindrical cylinder structure, two sliding covers are slidably connected to the base, the sliding covers are in a 1/4 cylindrical shape, the two sliding covers respectively extend out of two side surfaces of the base, one ends of the two sliding covers, which are away from the base, can be connected with each other, two ends of the sliding covers are respectively connected with the connecting cylinder and the end posts in a sliding manner, the end posts are respectively connected with an end cover, the opening size of the shell is limited, the problem of inconvenient operation is solved, the operating space is enlarged by a structure of sliding storage towards the base, and high-pressure release can be carried out through the pressure release valves, and the maintenance is convenient.

Inventors

  • JI YU
  • ZHANG CHAO
  • WANG JIANWU
  • Lv Suming

Assignees

  • 江苏金穗能源设备制造有限公司

Dates

Publication Date
20260508
Application Date
20250526

Claims (7)

  1. 1. The utility model provides a high withstand voltage GIS casing, includes main casing (1), its characterized in that main casing (1) includes base (11), base (11) are the halfcylinder, the both ends of base (11) are provided with spliced pole (12) and interface flange (13) respectively, be connected with connecting cylinder (3) on interface flange (13), connecting cylinder (3) and spliced pole (12) are cylinder structure, sliding connection has two sliding closure (4) in base (11), sliding closure (4) are 1/4 cylinder tube-shape, two sliding closure (4) extend respectively two sides of base (11), two sliding closure (4) deviate from the one end interconnect of base (11), but both ends of sliding closure (4) are connected with connecting cylinder (3) and spliced pole (12) sliding connection respectively, be provided with relief valve (6) on spliced pole (12), connecting cylinder (3) and one end that spliced pole (12) deviate from base (11) all are connected with end cover (2).
  2. 2. The high-pressure-resistant GIS shell according to claim 1, wherein the base (11) comprises a lining (111) and an outer lining (112), the lining (111) and the outer lining (112) are in a semi-cylindrical shape, the lining (111) and the outer lining (112) are arranged at intervals, reinforcing ribs (113) are arranged at the bottom of the lining (111), the reinforcing ribs (113) are fixed on the outer lining (112), the sliding cover (4) is arranged between the lining (111) and the outer lining (112), and the two sliding covers (4) are respectively arranged at two sides of the reinforcing ribs (113).
  3. 3. The high-pressure-resistant GIS shell as set forth in claim 2, wherein the sliding cover (4) is provided with a clamping block (41) on one side edge in the base (11), the sliding cover (4) is provided with a connecting plate (43) on one side edge extending out of the base (11), the clamping block (41) is in sliding connection with the inner lining (111) and the outer lining (112), the clamping block (41) is clamped with the edges of the inner lining (111) and the outer lining (112), and the two connecting plates (43) of the two sliding covers (4) can be attached to each other and are fixed through bolt connection.
  4. 4. A high-pressure-resistant GIS shell as set forth in claim 3, wherein the connecting cylinder (3) and the end post (12) are provided with sliding grooves (7) at one end facing the sliding cover (4), the sliding grooves (7) are ring-shaped, the sliding cover (4) is provided with extension plates (42) at two ends, and the two extension plates (42) are in sliding connection with the corresponding sliding grooves (7).
  5. 5. The high-pressure-resistant GIS shell as set forth in claim 4, wherein sealing strips (5) are arranged at two ends of the inner lining (111) and the outer lining (112), the inner wall and the outer wall of the sliding cover (4) are in sealing connection with the sealing strips (5), when two connecting plates (43) are connected, a clamping block (41) is abutted against the sealing strips (5), the sealing strips (5) are arranged at the bottom of the sliding groove (7), and the extension plate (42) is sealed with the sealing strips (5).
  6. 6. The high-pressure-resistant GIS shell according to claim 1, wherein the end column (12) is provided with an air port (14), one side of the air port (14) facing the outside of the end column (12) is provided with a mounting column (15), one side of the air port (14) facing the mounting column (15) is provided with a conical port, the pressure release valve (6) comprises a plug (61), the plug (61) can be plugged with the conical port, one end of the plug (61) facing away from the conical port is connected with a spring (62), the other end of the spring (62) is fixed on the end column (12), and the mounting column (15) is connected with a sealing cover (64) in a threaded manner.
  7. 7. The high-pressure-resistant GIS shell according to claim 6, wherein a through hole (16) is formed in one side of the mounting column (15) in the radial direction, a pressing rod (63) is arranged in the through hole (16), the pressing rod (63) is in a 'V' -shape, the long side of the pressing rod (63) extends into the air inlet (14), the long side of the pressing rod (63) is connected with the plug (61) and the inner wall of the air port (14), a containing groove (17) is formed in the outer wall of the mounting column (15) in the axial direction, the short side of the pressing rod (63) is placed in the containing groove (17), and the short side of the pressing rod (63) is abutted against the inner side wall of the sealing cover (64).

Description

High withstand voltage GIS casing Technical Field The utility model relates to the technical field of GIS shells, in particular to a high-voltage-resistant GIS shell. Background The GIS housing is a housing for protecting GIS devices, and is mainly used for protecting the devices from the interference and damage of the external environment. The GIS shell is widely applied to industries such as power, communication, traffic, petrochemical industry and the like, and is an important component for ensuring normal operation of equipment. The Chinese patent application No. 202421375824.2 discloses an outer shell of a hydraulic spring operating mechanism of a high-voltage circuit breaker, wherein the outer shell is provided with an inner shell and an outer shell, the inner shell can slide axially and shrink into the outer shell so as to facilitate maintenance without removing the cover, but the opening of the axially sliding type outer shell is limited, equipment under the outer shell is difficult to operate, and the inside of the outer shell is in a high-voltage state when the equipment works, and the inner shell is pressed and extruded with the outer shell so as not to be easy to open. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide the high-voltage-resistant GIS shell which is more convenient to overhaul. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a high withstand voltage GIS casing, includes the main casing, the main casing includes the base, the base is the halfcylinder, the both ends of base are provided with spliced pole and interface flange respectively, be connected with the connecting cylinder on the interface flange, connecting cylinder and spliced pole are cylinder barrel construction, sliding connection has two sliding covers in the base, the sliding cover is 1/4 cylinder barrel-shaped, two the sliding cover extends two sides of base respectively, two the sliding cover deviates from the one end interconnect of base, the both ends of sliding cover respectively with connecting cylinder and spliced pole sliding connection, be provided with the relief valve on the spliced pole, connecting cylinder and the one end that the spliced pole deviates from the base all are connected with the end cover. The base is further provided with a semi-cylindrical inner lining and a semi-cylindrical outer lining, wherein the inner lining and the outer lining are arranged at intervals, reinforcing ribs are arranged at the bottom of the inner lining and fixed on the outer lining, sliding covers are arranged between the inner lining and the outer lining, and the two sliding covers are respectively arranged at two sides of the reinforcing ribs. The sliding cover is further provided with a clamping block on one side edge in the base, a connecting plate is arranged on one side edge, extending out of the base, of the sliding cover, the clamping block is in sliding connection with the inner lining and the outer lining, the clamping block is clamped with the edges of the inner lining and the outer lining, and the two connecting plates of the two sliding covers can be attached to each other and are fixedly connected through bolts. The utility model is further characterized in that the connecting cylinder and one end of the end post facing the sliding cover are respectively provided with a sliding groove, the sliding grooves are annular, two ends of the sliding cover are respectively provided with an extension plate, and the two extension plates are in sliding connection with the corresponding sliding grooves. The utility model is further characterized in that sealing strips are arranged at two ends of the inner lining and the outer lining, the inner wall and the outer wall of the sliding cover are connected with the sealing strips in a sealing mode, when the two connecting plates are connected, the clamping blocks are abutted against the sealing strips, the sealing strips are arranged at the bottoms of the sliding grooves, and the extension plates are sealed with the sealing strips. The pressure relief valve is further arranged in such a way that an air port is formed in the end post, a mounting post is arranged on one side, facing the outside of the end post, of the air port, a conical port is arranged on one side, facing the mounting post, of the air port, the pressure relief valve comprises a plug, the plug can be plugged with the conical port, one end, facing away from the conical port, of the plug is connected with a spring, the other end of the spring is fixed on the end post, and a sealing cover is connected to the mounting post through threads. The utility model is further characterized in that a through hole is formed in one side of the mounting column along the radial direction, a compression bar is arranged in the through hole, the compression bar is in a V shape, the