CN217768205U - GIS linear type three-station isolation grounding switch - Google Patents
GIS linear type three-station isolation grounding switch Download PDFInfo
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- CN217768205U CN217768205U CN202221957757.6U CN202221957757U CN217768205U CN 217768205 U CN217768205 U CN 217768205U CN 202221957757 U CN202221957757 U CN 202221957757U CN 217768205 U CN217768205 U CN 217768205U
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Abstract
A GIS linear type three-station isolation grounding switch comprises a shell, an isolation static end assembly, a movable end assembly, a grounding static end assembly, a mechanism, a limiter and a positioning device; the number of the isolation static end assemblies, the number of the moving end assemblies and the number of the grounding static end assemblies are three, and the three isolation static end assemblies, the three moving end assemblies and the three grounding static end assemblies are linearly arranged in the shell; the transposition gear is in a staggered layered structure, and when the transposition gear is meshed with the grounding moving conductor to move, the moving conductor is isolated from tooth disengagement; when the transposition gear is engaged with the isolation moving conductor to move, the grounding moving conductor is disengaged; the middle part of the transposition gear is connected to the conductor through a bearing; the mechanism is connected with a transmission device to drive the transposition gear to rotate, and the isolation moving conductor opening and closing action and the grounding moving conductor opening and closing action are respectively carried out. Simple structure is compact, the installation of being convenient for, and the function is various, but quick earthing switch of composite erection.
Description
Technical Field
The utility model belongs to the electrical apparatus switch field specifically belongs to a GIS linear type three-station isolation earthing switch.
Background
The GIS is a switch device formed by combining a circuit breaker, a disconnecting switch, a grounding switch, a current transformer, a voltage transformer, a lightning arrester, a sleeve, a bus and the like, and SF6 gas is adopted as an insulating and arc extinguishing medium in the GIS. The transformer substation is widely applied to all levels of transformer substations due to the characteristics of small occupied area, full sealing and the like.
The existing 220kVGIS three-station isolation grounding switch is right-angle in form, an isolation fracture and a grounding fracture are arranged in parallel, the height of the whole GIS interval is ultrahigh in the assembling process, inconvenience is brought to the transportation process, the field workload is increased, and the problem of ultrahigh height exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a GIS linear type three-station isolation earthing switch, simple structure is compact, the installation of being convenient for, and the function is various, but the quick earthing switch of composite mounting, linear type innovation structural design are applied to and can effectively reduce whole interval height in the GIS, do benefit to the product transportation.
In order to achieve the above object, the utility model provides a following technical scheme:
a GIS linear type three-station isolation grounding switch comprises a shell, an isolation static end assembly, a movable end assembly, a grounding static end assembly, a mechanism, a limiter and a positioning device;
the number of the isolation static end assemblies, the number of the moving end assemblies and the number of the grounding static end assemblies are three, and the three isolation static end assemblies, the three moving end assemblies and the three grounding static end assemblies are linearly arranged in the shell;
the isolation static end assembly comprises a basin-type insulator, an isolation static end conductor and a quick-grounding contact seat; the isolation static end conductor is fixed on a basin-type insulator of the isolation static end assembly, and the quick grounding contact seat is fixed on the isolation static end conductor;
the movable end assembly comprises a basin-type insulator, a conductor, a transposition gear, a grounding movable conductor and an isolating movable conductor;
the conductor is fixed on the basin-type insulator of the movable end component; the transposition gear is in a staggered layered structure, and when the transposition gear is meshed with the grounding moving conductor to move, the moving conductor is isolated from tooth disengagement; when the transposition gear is engaged with the isolation moving conductor to move, the grounding moving conductor is disengaged; the middle part of the transposition gear is connected to the conductor through a bearing;
the grounding static end component comprises a grounding static end and a grounding insulator; the grounding static end is insulated from the shell through a grounding insulator, and the grounding movable conductor and the grounding static end are switched on through rotation of the transposition gear to be grounded;
the mechanism is connected with a transmission device to drive the transposition gear to rotate, and the isolation moving conductor opening and closing action and the grounding moving conductor opening and closing action are respectively carried out;
the limiter is fixed on the conductor and used for limiting and isolating the movable conductor and limiting and grounding the movable conductor; the positioning device is fixed on the conductor and used for positioning the grounding conductor and positioning the isolation conductor.
Preferably, the device further comprises a cover plate, and the cover plate is mounted at the end part of the shell through screws.
Preferably, the isolation static end conductor is fixed on the basin-type insulator through a screw, and the quick grounding contact seat is fixed on the isolation static end conductor through a screw.
Preferably, the stopper comprises a stopper ball and a spring; one end of the spring is fixed on the conductor, the other end of the spring is fixed with a limiting ball, the isolation moving conductor is provided with a groove, and when the isolation moving conductor is limited, the limiting ball is embedded into the groove of the isolation moving conductor to form an isolation conductor limiter.
Preferably, the stopper comprises a stopper ball and a spring; one end of the spring is fixed on the conductor, the other end of the spring is fixed with a limiting ball, the grounding moving conductor is provided with a groove, and when limiting is carried out, the limiting ball is embedded into the groove of the grounding moving conductor to form the grounding conductor limiter.
Preferably, the mechanism outputs a driving force to drive the driving shaft, the driving shaft drives the transmission shaft, and the transposition gear is correspondingly sleeved on the driving shaft and the transmission shaft.
Preferably, the isolation static end conductor is fixed on the basin-type insulator of the isolation static end assembly through a screw, and the fast grounding contact seat is fixed on the isolation static end conductor through a screw.
Preferably, the conductor is fixed on the basin-type insulator of the movable end component through a screw.
Preferably, the positioning device comprises a first auxiliary gear and a second auxiliary gear, and the first auxiliary gear is mounted on the conductor through a bearing to form the grounding conductor positioning device; the second auxiliary gear is installed on the conductor through a bearing to form an isolation conductor positioning device.
Preferably, the quick grounding switch is further included and is fixed on the shell.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model provides a GIS linear type three-station isolation grounding switch, which realizes three motion states of a linear type three-station internal isolation movable conductor and a grounding movable conductor through the structural design of a dislocation layering transposition gear, namely, isolation and grounding are carried out at the same time; separating clutch and grounding branch; separating and grounding. The utility model discloses an assembly such as quiet end subassembly of three group isolation, three group moving end subassemblies, three group ground connection quiet end subassemblies, transmission, stopper and positioner is on same casing to be equipped with an operating mechanism and constitute a GIS linear type three-station isolation earthing switch, inside isolation fracture and the perpendicular design of ground connection fracture. The structural design of the transposition gear of 'staggered layering' is adopted, and the state conversion of three positions of isolation and grounding is realized.
Furthermore, a waist-shaped groove is designed on the movable conducting rod, and the limiting ball is matched with the waist-shaped groove of the movable conducting rod through a compression spring for limiting. And the spacing state after the isolation movable conducting rod and the grounding movable conducting rod are separated from the gear shifting state is realized through a limiter consisting of a limiting ball and a spring.
Drawings
FIG. 1 is a sectional view of a GIS linear type three-position isolating grounding switch;
FIG. 2 is a structural diagram of a GIS linear three-position isolating grounding switch;
FIG. 3 is a schematic diagram of isolation switching-on without action of grounding;
FIG. 4 is a schematic view of the grounding moving conductor locked by the stopper;
FIG. 5 is a schematic diagram of grounding operation isolation failing to gate;
FIG. 6 is a schematic view of the stopper locking and isolating the moving conductor;
in the drawings: 1 is a basin-type insulator; 2 is a grounding static end; 3 is a fast grounding switch; 4 is an isolation static end conductor; 5 is a quick grounding contact seat; 6 is a conductor; 7 is a driving shaft; 8 is a mechanism; 9 is a shell; 10 is a transposition gear; 11 is a transmission shaft; 12 is a cover plate; 13 is a grounding moving conductor; 14 is a first auxiliary gear; 15 is a second auxiliary gear; 16 is an isolation moving conductor; a limiting ball is 17; 18 is a spring.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
The utility model discloses a GIS linear type is three station isolation earthing switch of box altogether is equipped with an operating mechanism and realizes three-phase mechanical linkage, the deciliter of control isolation contact and the deciliter of ground contact. Each phase is composed of an isolated moving contact and a static contact, and a grounded moving contact and a grounded static contact. The invention realizes the separation and combination operation of the isolation moving contact under the condition that the grounding moving contact keeps in the non-operation state; and the grounding moving contact is switched on and off under the condition that the isolating moving contact keeps in an inactive state.
As shown in fig. 1 and 2, the linear common-box type three-position isolating grounding switch for the GIS of the present invention comprises a housing 9, three sets of isolating static end assemblies, three sets of moving end assemblies, three sets of grounding static end assemblies, a mechanism 8, a transmission device, a limiter, a positioning device, etc. The three isolated static end assemblies, the three moving end assemblies and the three grounding static end assemblies are arranged in a shape of a Chinese character 'yi'.
Three groups of isolation static end assemblies, three groups of moving end assemblies, three groups of grounding static end assemblies, the quick grounding switch 3, the mechanism 8 and the cover plate 12 are arranged on the shell 9 through screws.
The isolation static end assembly comprises a basin-type insulator 1, an isolation static end conductor 4 and a quick grounding contact seat 5, the isolation static end conductor 4 is fixed on the basin-type insulator 1 through a screw, and the quick grounding contact seat 5 is fixed on the isolation static end conductor 4 through a screw.
The moving end component comprises a basin-type insulator 1, a conductor 6, a transposition gear 10, a grounding moving conductor 13 and an isolating moving conductor 16. The conductor 6 is fixed on the basin-type insulator 1 through a screw; the transposition gear 10 adopts a staggered layered structure, and when the transposition gear is meshed with the grounding moving conductor 13 to move, the moving conductor 16 is isolated from tooth disengagement; when the grounding moving conductor 13 is meshed with the isolation moving conductor 16 to move, the grounding moving conductor is disengaged; is connected to the conductor 6 by a bearing.
As shown in fig. 4 and 6, the stopper includes a stopper ball 17 and a spring 18. The limiting ball 17 and the spring 18 are arranged on the conductor 6 and respectively form an isolating conductor limiter and a grounding conductor limiter.
The positioning device comprises a first auxiliary gear 14 and a second auxiliary gear 15. The first auxiliary gear 14 is arranged on the conductor 6 through a bearing to form a grounding conductor positioning device; the second auxiliary gear 15 is mounted on the conductor 6 through a bearing, and constitutes an isolated conductor positioning device.
The transposition gear 10 is a staggered layered gear, namely two half gears share the same shaft and are not on the same plane, and the two half gears are staggered and separated. The transposition gear 10 is correspondingly sleeved on the driving shaft 7 and the transmission shaft 11, and the middle part of the transposition gear 10, namely the position between the two gears, is connected to the conductor 6 through a bearing.
As shown in fig. 3 and 5, the transposition gear 10, the grounding moving conductor 13 and the isolating moving conductor 16 are in three states during the movement, the first state is that the transposition gear 10 does not move, and the grounding moving conductor 13 and the isolating moving conductor 16 are in a tooth-disengaging state (the isolation and the grounding are simultaneously carried out); the second is that the transposition gear 10 rotates clockwise, the grounding moving conductor 13 does not act and the transposition gear 10 is out of gear, and the isolation moving conductor 16 performs isolation opening and closing operation; the third is that the transposition gear 10 rotates anticlockwise, the isolation moving conductor 16 does not act and the transposition gear 10 is out of gear, and the grounding moving conductor 13 performs grounding on-off operation.
The isolating movable conductor 16 is provided with a waist-shaped groove, the isolating conductor is limited by compressing the spring 18 through the limiting ball 17 after the brake is opened, and the transposition gear 10 and the isolating movable conductor 16 are disengaged; a waist-shaped groove is designed on the grounding moving conductor 13, the grounding conductor is limited by a limiting ball 17 and a compression spring 18 at the end of opening, and the transposition gear 10 and the grounding moving conductor 13 are disengaged. See FIG. 1
When the isolation moving conductor 16 is switched on and off to move, the isolation conductor is positioned through the second auxiliary gear 15; when the grounding moving conductor 13 performs opening and closing movements, the grounding conductor is positioned by the first auxiliary gear 14.
The grounding static end assembly is composed of a grounding static end 2 and a grounding insulator, the grounding static end 2 is insulated from the shell 9 through the grounding insulator, and the movable grounding conductor 13 is switched on with the grounding static end 2 through rotation of the transposition gear 10, so that grounding is realized.
As shown in fig. 2, the transmission system is driven by the driving force output by the mechanism 8 to drive the driving shaft 7, the transposition gear 10 and the transmission shaft 11 to respectively perform the opening and closing actions of the isolating movable conductor 16 and the grounding movable conductor 13.
The quick grounding switch 3 is fixed on the shell 9 through screws, and a double grounding function can be realized.
Claims (10)
1. A GIS linear type three-station isolation grounding switch is characterized by comprising a shell (9), an isolation static end component, a movable end component, a grounding static end component, a mechanism (8), a limiter and a positioning device;
the number of the isolation static end assemblies, the number of the moving end assemblies and the number of the grounding static end assemblies are three, and the three isolation static end assemblies, the three moving end assemblies and the three grounding static end assemblies are linearly arranged in the shell (9);
the isolation static end assembly comprises a basin-type insulator (1), an isolation static end conductor (4) and a quick-grounding contact base (5); the isolation static end conductor (4) is fixed on the basin-type insulator (1) of the isolation static end assembly, and the quick grounding contact seat (5) is fixed on the isolation static end conductor (4);
the moving end assembly comprises a basin-type insulator (1), a conductor (6), a transposition gear (10), a grounding moving conductor (13) and an isolation moving conductor (16);
the conductor (6) is fixed on the basin-type insulator (1) of the movable end component; the transposition gear (10) is in a staggered layered structure, and when the transposition gear (10) and the grounding moving conductor (13) are in meshing motion, the moving conductor (16) is isolated from tooth disengagement; when the transposition gear (10) and the isolation moving conductor (16) are in meshing motion, the grounding moving conductor (13) is out of gear; the middle part of the transposition gear (10) is connected to the conductor (6) through a bearing;
the grounding static end component comprises a grounding static end (2) and a grounding insulator; the grounding static end (2) is insulated from the shell (9) through a grounding insulator, and the grounding movable conductor (13) is switched on with the grounding static end (2) through the rotation of the transposition gear (10) to be grounded;
the mechanism (8) is connected with a transmission device to drive the transposition gear (10) to rotate, and the separation and closing actions of the isolation moving conductor (16) and the grounding moving conductor (13) are respectively carried out;
the limiter is fixed on the conductor (6) and used for limiting and isolating the movable conductor (16) and the grounding movable conductor (13); the positioning device is fixed on the conductor (6) and used for positioning the grounding conductor and positioning the isolation conductor.
2. The GIS linear type three-position isolating grounding switch according to claim 1, further comprising a cover plate (12), wherein the cover plate (12) is installed at the end of the housing (9) through screws.
3. The GIS linear three-position isolating grounding switch according to claim 1, wherein the isolating static end conductor (4) is fixed on the basin insulator (1) by screws, and the quick grounding contact seat (5) is fixed on the isolating static end conductor (4) by screws.
4. The GIS linear type three-position isolating grounding switch according to claim 1, wherein the limiter comprises a limiting ball (17) and a spring (18); one end of the spring (18) is fixed on the conductor (6), the other end of the spring (18) is fixed with the limiting ball (17), the isolation moving conductor (16) is provided with a groove, and when the isolation moving conductor is limited, the limiting ball (17) is embedded into the groove of the isolation moving conductor (16) to form the isolation conductor limiter.
5. The GIS linear type three-position isolating grounding switch according to claim 1, wherein the limiter comprises a limiting ball (17) and a spring (18); one end of the spring (18) is fixed on the conductor (6), the other end of the spring (18) is fixed with the limiting ball (17), the grounding moving conductor (13) is provided with a groove, and the limiting ball (17) is embedded into the groove of the grounding moving conductor (13) to form the grounding conductor limiter when limiting is carried out.
6. The GIS linear type three-position isolating grounding switch as claimed in claim 1, wherein the mechanism (8) outputs a driving force to drive the driving shaft (7), the driving shaft (7) drives the transmission shaft (11), and the transposition gear (10) is correspondingly sleeved on the driving shaft (7) and the transmission shaft (11).
7. The GIS linear three-position isolating grounding switch according to claim 1, wherein the isolating static end conductor (4) is fixed on the basin insulator (1) of the isolating static end assembly through screws, and the quick grounding contact base (5) is fixed on the isolating static end conductor (4) through screws.
8. The GIS linear three-position disconnecting and grounding switch according to claim 1, characterized in that the conductor (6) is fixed to the basin insulator (1) of the moving-end assembly by means of screws.
9. The GIS linear type three-position isolating grounding switch according to claim 1, characterized in that the positioning device comprises a first auxiliary gear (14) and a second auxiliary gear (15), the first auxiliary gear (14) is mounted on the conductor (6) through a bearing to form a grounding conductor positioning device; the second auxiliary gear (15) is arranged on the conductor (6) through a bearing to form an isolated conductor positioning device.
10. The GIS linear three-position isolating grounding switch according to claim 1, further comprising a quick grounding switch (3), wherein the quick grounding switch (3) is fixed on the housing (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221957757.6U CN217768205U (en) | 2022-07-27 | 2022-07-27 | GIS linear type three-station isolation grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221957757.6U CN217768205U (en) | 2022-07-27 | 2022-07-27 | GIS linear type three-station isolation grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217768205U true CN217768205U (en) | 2022-11-08 |
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ID=83878257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221957757.6U Active CN217768205U (en) | 2022-07-27 | 2022-07-27 | GIS linear type three-station isolation grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217768205U (en) |
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2022
- 2022-07-27 CN CN202221957757.6U patent/CN217768205U/en active Active
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