CN214850087U - GIS three-phase common-box type grounding switch shell for overhauling - Google Patents

Abstract

The utility model relates to a GIS three-phase is box inspection altogether and is used earthing switch shell belongs to switch housing's technical field. The mounting base comprises a base, a cylinder is fixedly connected to the top of the base, a circle of convex ring is fixedly arranged on the outer wall of the cylinder, the shell is tubular, the top end of the shell shrinks towards the inner side, an annular groove is formed in the inner wall, close to the bottom, of the shell, and a sealing head is fixedly arranged on the top of the shell; the shell comprises a first half shell and a second half shell, one side of the second half shell is hinged with the first half shell, the other side of the second half shell is detachably and fixedly connected with the first half shell through a fixing component, and the seal head is fixedly connected with the first half shell; the utility model provides an overhaul that prior art's earthing switch shell exists need dismantle, dismantle difficult scheduling problem.

Description

GIS three-phase common-box type grounding switch shell for overhauling

Technical Field

The utility model relates to a GIS three-phase is box inspection altogether and is used earthing switch shell belongs to switch housing's technical field.

Background

GIS is the English name of the gas insulated totally enclosed electrical apparatus for short, in the gas insulated totally enclosed electrical apparatus, most electrical equipment is directly or indirectly sealed in the pipeline composed of metal pipeline and sleeve, no switch, circuit and connecting terminal can be seen from the outside, the inside of the pipeline adopts SF6 gas as insulating medium, and all high-voltage electrical apparatus components are sealed in the grounded metal cylinder.

The grounding switch shell in the prior art has the following defects that 1, the grounding shell does not have a protection function, so that the positions of internal parts are easy to shift when external collision occurs; 2. the grounding shell is generally fixed through a bolt and fastened and fixed through the bolt, so that the fixing is troublesome, and in the maintenance process, a maintenance worker cannot effectively and quickly open the grounding shell; 3. the inside work of observing to ground connection casing can't effectually from the outside, leads to the casing of need reopening when overhauing at every turn.

The patent document with the prior art application number of CN201611002396.9 discloses that the structure of the mechanism chamber is designed to be a cuboid structure, which replaces the existing cylindrical structure, so as to reduce the weight, volume and inner cavity volume of the shell; the grounding conductor mounting seats are designed into a parallel structure to replace the existing equal triangular uniform distribution structure so as to adapt to the structure of a mechanism chamber; the opening and closing control mechanism adopts a crank-link slider mechanism to replace the existing double-crank-link mechanism so as to ensure the motion precision of the opening and closing control mechanism; arranging a voltage detector mounting seat in the mechanism chamber to prevent the voltage detector from being interfered by external environment and ensure the precision of internal voltage detection signals; set up the arc viewing aperture in the mechanism outdoor side to the inside arc state of real time monitoring avoids the emergence of inside arc trouble: and an observation port is arranged at the outer side of the mechanism chamber corresponding to the grounding conductor so as to monitor the running state of the opening and closing control mechanism in real time.

There is the earthing switch shell of prior art to overhaul and need dismantle, dismantle difficult scheduling problem, consequently, the utility model provides a GIS three-phase is box-like to overhaul altogether and is used earthing switch shell is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Need dismantle, dismantle shortcoming such as difficulty in order to overcome the maintenance that current earthing switch shell exists, the utility model designs a GIS three-phase is box-like to overhaul altogether and uses earthing switch shell, the utility model discloses a split type setting of casing has made things convenient for the installation and has dismantled.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a GIS three-phase common-box type grounding switch shell for maintenance comprises a mounting seat and a shell, wherein the mounting seat comprises a base, the top of the base is fixedly connected with a cylinder, the outer wall of the cylinder is fixedly provided with a circle of convex ring, the shell is tubular, the top end of the shell shrinks towards the inner side, the inner wall of the shell close to the bottom is provided with an annular groove, the annular groove is clamped with the convex ring, and the top of the shell is fixedly provided with a sealing head; the shell comprises a first half shell and a second half shell, one side of the second half shell is hinged with the first half shell, the other side of the second half shell is detachably and fixedly connected with the first half shell through a fixing component, and the seal head is fixedly connected with the first half shell; the fixed subassembly includes first connecting plate, second connecting plate and connecting bolt, the outer wall of articulated side is kept away from at first half shell to fixed the setting of first connecting plate, it has two at least breachs to open on the first connecting plate, the outer wall of articulated side is kept away from at second half shell to the fixed setting of second connecting plate, and is a plurality of connecting bolt threaded end passes breach and second connecting plate threaded connection respectively, connecting bolt end head size is greater than the breach, connecting bolt's quantity and breach are corresponding.

A window is formed in the first half shell, and window glass is fixedly arranged in the window.

Three through holes are formed in the cylinder, and the bottom ends of the through holes extend downwards and penetrate through the base.

The outer wall of the base is fixedly provided with a plurality of connecting blocks for installation.

And a ground stud is fixedly arranged at the top end of the seal head, and a compression nut is connected to the ground stud in a threaded manner.

And one side of the end socket, which is close to the second half shell, is fixedly provided with an elastic sealing layer.

Compared with the prior art the utility model discloses there are following characteristics and beneficial effect: the utility model can assist maintenance personnel to better open and close the grounding shell through the split type arrangement of the shell and the arrangement of the fixed component, effectively improve the opening and closing efficiency of the grounding shell, avoid repeated disassembly and facilitate the maintenance work of the inside of the grounding shell;

the utility model can better observe the inside of the grounding shell at the outer side through the arrangement of the window glass, reduce the opening and closing times of the grounding shell and assist the grounding shell to better work;

the utility model can effectively reduce the collision area between the grounding shell and the object when the grounding shell collides through the shape of the shell, and can effectively prevent the shell from deforming;

the utility model can better fix the ground wire by arranging the ground stud and the compression nut;

the utility model discloses a setting of elastic sealing layer on the head for the leakproofness between half shell is stronger with the second, has prevented the inflow of water and air.

Drawings

Fig. 1 is a partial structural schematic diagram of the present invention;

fig. 2 is a schematic structural view of a second half-shell according to the present invention;

fig. 3 is a top view of the overall structure of the mounting base of the present invention.

Wherein the reference numerals are: 10. a mounting seat; 11. a base; 12. a cylinder; 121. a convex ring; 13. a through hole; 14. connecting blocks; 20. a housing; 21. an annular groove; 22. a first half shell; 221. a window; 222. a window glass; 23. a second half shell; 24. sealing the end; 241. an elastomeric sealing layer; 25. a ground stud; 26. a compression nut; 30. a fixing assembly; 31. a first connecting plate; 311. a notch; 32. a second connecting plate; 33. and connecting the bolts.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the grounding switch shell for the GIS three-phase common-box type maintenance in this embodiment includes a mounting seat 10 and a shell 20, the mounting seat 10 includes a base 11, a cylinder 12 is fixedly connected to the top of the base 11, a circle of convex ring 121 is fixedly disposed on the outer wall of the cylinder 12, the shell 20 is tubular, the top end of the shell 20 is inwardly contracted, an annular groove 21 is formed on the inner wall of the shell 20 near the bottom, the annular groove 21 is clamped with the convex ring 121, and a sealing head 24 is fixedly disposed on the top of the shell 20; the shell 20 comprises a first half shell 22 and a second half shell 23, one side of the second half shell 23 is hinged with the first half shell 22, the other side of the second half shell 23 is detachably and fixedly connected with the first half shell 22 through a fixing component 30, and the seal head 24 is fixedly connected with the first half shell 22; the fixing component 30 comprises a first connecting plate 31, a second connecting plate 32 and connecting bolts 33, the first connecting plate 31 is fixedly arranged on the outer wall of the first half shell 22 far away from the hinged side, at least two notches 311 are formed in the first connecting plate 31, the second connecting plate 32 is fixedly arranged on the outer wall of the second half shell 23 far away from the hinged side, the threaded ends of the connecting bolts 33 respectively penetrate through the notches 311 and are in threaded connection with the second connecting plate 32, the end part of each connecting bolt 33 is larger than the notch 311, and the number of the connecting bolts 33 is corresponding to the notches 311.

Further, a window 221 is formed on the first half 22, and a window glass 222 is fixedly disposed in the window 221.

Furthermore, the cylinder 12 is provided with three through holes 13, and the bottom ends of the through holes 13 extend downwards and penetrate through the base 11.

Further, a plurality of connecting blocks 14 for installation are fixedly arranged on the outer wall of the base 11.

Further, a grounding stud 25 is fixedly arranged at the top end of the end enclosure 24, and a compression nut 26 is connected to the grounding stud 25 in a threaded manner.

Furthermore, an elastic sealing layer 241 is fixedly arranged on one side of the sealing head 24 close to the second half-shell 23.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; the term "connected" may refer to a direct connection, an indirect connection through an intermediate, a connection between two elements or an interaction relationship between two elements, and unless otherwise specifically defined, the term should be understood as having a specific meaning in the present application by those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a GIS three-phase is box maintenance altogether uses earthing switch shell which characterized in that: the mounting structure comprises a mounting seat (10) and a shell (20), wherein the mounting seat (10) comprises a base (11), the top of the base (11) is fixedly connected with a cylinder (12), a circle of convex ring (121) is fixedly arranged on the outer wall of the cylinder (12), the shell (20) is tubular, the top end of the shell (20) shrinks towards the inner side, an annular groove (21) is formed in the inner wall, close to the bottom, of the shell (20), the annular groove (21) is clamped with the convex ring (121), and a sealing head (24) is fixedly arranged on the top of the shell (20); the shell (20) comprises a first half shell (22) and a second half shell (23), one side of the second half shell (23) is hinged to the first half shell (22), the other side of the second half shell is detachably and fixedly connected with the first half shell (22) through a fixing assembly (30), and the seal head (24) is fixedly connected with the first half shell (22); fixed subassembly (30) include first connecting plate (31), second connecting plate (32) and connecting bolt (33), the outer wall of articulated side is kept away from at first half shell (22) to fixed the setting in first connecting plate (31), it has two at least breach (311) to open on first connecting plate (31), the outer wall of articulated side is kept away from at second half shell (23) to fixed the setting in second connecting plate (32), and is a plurality of connecting bolt (33) thread end passes breach (311) and second connecting plate (32) threaded connection respectively, connecting bolt (33) end head size is greater than breach (311), the quantity and breach (311) of connecting bolt (33) are corresponding.

2. The GIS three-phase common-box type grounding switch shell for overhauling as claimed in claim 1, wherein: the first half shell (22) is provided with a window (221), and window glass (222) is fixedly arranged in the window (221).

3. The GIS three-phase common-box type grounding switch shell for overhauling as claimed in claim 1, wherein: three through holes (13) are formed in the cylinder (12), and the bottom ends of the through holes (13) extend downwards and penetrate through the base (11).

4. The GIS three-phase common-box type grounding switch shell for overhauling as claimed in claim 1, wherein: the outer wall of the base (11) is fixedly provided with a plurality of connecting blocks (14) for installation.

5. The GIS three-phase common-box type grounding switch shell for overhauling as claimed in claim 1, wherein: the top end of the seal head (24) is fixedly provided with a grounding stud (25), and the grounding stud (25) is connected with a compression nut (26) in a threaded manner.

6. The GIS three-phase common-box type grounding switch shell for overhauling as claimed in claim 1, wherein: one side of the end socket (24) close to the second half shell (23) is fixedly provided with an elastic sealing layer (241).

Images