Hollow concentric three-position switch mechanism of C-GIS (Gas Insulated Switchgear)

Abstract

The C-GIS hollow concentric three-position switch mechanism is provided with supporting plates, the supporting plates are divided into a front supporting plate and a rear supporting plate, a locking rod is arranged between the front supporting plate and the rear supporting plate, the locking rod and the front supporting plate are fixed through rivets, and the locking rod and the rear supporting plate are fixed through rivets. According to the utility model, the insulator and the static contact can cooperate with each other to work, the assembling part is arranged between the insulator and the static contact, the assembling bracket is adopted as the assembling part, the static contact and the insulator can be better supported by the assembling bracket, and the concentric assembling part is arranged on the static contact, so that the assembling part is more compact. And the static contact on the switching mechanism and other equipment parts can be well assembled by using the concentric assembly part, and the assembly effect is better.

Description

Technical Field

[0001] The utility model relates to an electrical switch component, in particular to a three-position switch mechanism with a hollow concentric structure for C-GIS. Background Art

[0002] The disconnector is one of the most widely used high-voltage switch appliances, which plays an isolation role in the circuit and is an important switch device for the power system to switch and transfer lines. When a disconnector is needed, a three-position disconnector can be used. The three-position disconnector can ensure the normal operation of electrical equipment. During normal operation, it relies on the three-position disconnector. However, when the three-position disconnector is needed, there will be problems in the assembly between the insulator and the static contact.

[0003] In the prior art: CN202322001838.X, an integrated lower three-position switch. The utility model provides an integrated lower three-position switch, including an outer frame, the outer frame includes a connecting plate, an insulating clamping plate and a lower three-position switch. Arc extinguishing chamber components are symmetrically arranged between the insulating clamping plates. One end of the arc extinguishing chamber component extends out of the insulating clamping plate and is fixedly connected thereto. A hexagonal main shaft is arranged on the switch fixing plate, and a shielding cover component is arranged on the hexagonal main shaft. One end of the hexagonal main shaft is fixed on the switch fixing plate, and the other end extends between the insulating clamping plates and is rotatably connected to the arc extinguishing chamber component. A disconnector main shaft is further arranged inside between the lower three-position switch brackets. Both ends of the disconnector main shaft abut against the lower three-position switch brackets. By providing an integrated lower three-position switch.

[0004] In the prior art, the internal structure of the three-position switch is compact, and the integrated design not only reduces the cost, shrinks the volume of the operating mechanism, but also facilitates the installation and use in the ring network cabinet body. However, there are also problems in the assembly between the insulator and the static contact inside the three-position switch structure. Summary of the Utility Model

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a three-position switch mechanism with a hollow concentric structure for C-GIS.

[0006] The present utility model is implemented by the following technical solutions: A three-position switch mechanism with a hollow concentric structure for a C-GIS is provided with a support plate. The support plate is divided into a front support plate and a rear support plate. A locking rod is arranged between the front support plate and the rear support plate. The locking rod is fixed to the front support plate and the rear support plate by rivets. An intermediate mounting position is provided on the rear support plate. The intermediate mounting position is fixed to the rear support plate by welding. An installation rod is arranged at the intermediate mounting position. A static contact is arranged on the installation rod. An insulator is arranged at the bottom of the static contact. An assembly component is arranged between the insulator and the static contact.

[0007] The assembly component is an assembly bracket. An assembly head is arranged on the assembly bracket. The assembly head is located at the bottom of the static contact. The static contact and the assembly head are assembled with each other.

[0008] The static contact is a grounding static contact. The insulator is a post insulator. An assembly side plate is arranged on the assembly bracket. The assembly side plate is assembled with the post insulator.

[0009] A concentric assembly component is arranged on the grounding static contact. The concentric assembly component is a concentric assembly plate. Assembly holes are arranged on the concentric assembly plate.

[0010] Mounting hole positions are arranged on the front support plate. The mounting hole positions are circular mounting holes. The circular mounting holes are arranged around the intermediate mounting position.

[0011] Compared with the prior art, when the present utility model is in use, it can rely on the cooperation between the insulator and the static contact. There is an assembly component between the insulator and the static contact. The assembly component adopts an assembly bracket, which can well support the static contact and the insulator better by relying on the assembly bracket. A concentric assembly component is arranged on the static contact. The concentric assembly component can be used to assemble the static contact on the switch mechanism and other equipment components very well, and the assembly effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is a perspective view of the present utility model;

[0014] In the figure: 1 is the front support plate, 2 is the rear support plate, 3 is the locking rod, 4 is the intermediate mounting position, 5 is the installation rod, 6 is the static contact, 7 is the insulator, 8 is the assembly bracket, 9 is the assembly side plate, 10 is the concentric assembly plate, and 11 is the mounting hole position. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] Next, in combination with the accompanying drawings and specific embodiments, the present utility model will be further described. It should be noted that, on the premise of no conflict, any combination of the following-described embodiments or technical features can form a new embodiment.

[0016] A three-position switch mechanism with a hollow concentric structure for a C-GIS is provided with a support plate. The support plate is divided into a front support plate 1 and a rear support plate 2. A locking rod 3 is arranged between the front support plate 1 and the rear support plate 2. The locking rod 3 is fixed to the front support plate 1 and the rear support plate 2 by rivets. An intermediate mounting position 4 is arranged on the rear support plate 2. The intermediate mounting position 4 is fixed to the rear support plate 2 by welding. An installation rod 5 is arranged at the intermediate mounting position 4. A static contact 6 is arranged on the installation rod 5. An insulator 7 is arranged at the bottom of the static contact 6. An assembly component is arranged between the insulator 7 and the static contact 6.

[0017] In order to better assemble the static contact 6 and the insulator 7 in the three-position switch mechanism, an assembly component can be arranged between the two. The static contact and the insulator can be well supported by the assembly component. The assembly component is an assembly bracket 8. An assembly head is arranged on the assembly bracket 8. The assembly head is located at the bottom of the static contact 6. The static contact 6 and the assembly head are assembled with each other.

[0018] The static contact 6 is a grounding static contact. The insulator 7 is a post insulator. An assembly side plate 9 is arranged on the assembly bracket. The assembly side plate 9 is assembled with the post insulator. A concentric assembly component is arranged on the grounding static contact. The concentric assembly component is a concentric assembly plate 10. An assembly hole is arranged on the concentric assembly plate 10.

[0019] In order to better fix and assemble the three-position switch mechanism as a whole, mounting hole positions 11 are arranged on the front support plate 1. The mounting hole positions 11 are mounting round holes. Assembly bolts can be arranged in the mounting round holes. The assembly needs of the three-position switch structure can be met by the assembly bolts. The mounting round holes are arranged around the intermediate mounting position 4.

[0020] The above embodiments are only the preferred embodiments of the present utility model and cannot be used to limit the scope of protection of the present utility model. Any non-substantive changes and substitutions made by those skilled in the art on the basis of the present utility model belong to the scope of protection required by the present utility model.

Claims

1. A three-position switch mechanism with a hollow concentric structure for a C-GIS, provided with a support plate. The support plate is divided into a front support plate and a rear support plate. A locking rod is arranged between the front support plate and the rear support plate. The locking rod is fixed to the front support plate and the rear support plate by rivets. An intermediate mounting position is arranged on the rear support plate, and the intermediate mounting position is fixed to the rear support plate by welding. It is characterized in that: An installation rod is provided at the middle installation position, a static contact is provided on the installation rod, an insulator is provided at the bottom of the static contact, and an assembly component is provided between the insulator and the static contact.

2. The three-position switch mechanism with a hollow concentric structure for a C-GIS according to claim 1, characterized in that: The assembly component is an assembly bracket, an assembly head is provided on the assembly bracket, the assembly head is located at the bottom of the static contact, and the static contact and the assembly head are assembled with each other.

3. The three-position switch mechanism with a hollow concentric structure for a C-GIS according to claim 2, characterized in that: The static contact is a grounding static contact, the insulator is a post insulator, an assembly side plate is provided on the assembly bracket, and the assembly side plate is assembled with the post insulator.

4. A three-position switching mechanism with a hollow concentric structure for a C-GIS according to claim 3, characterized in that: A concentric assembly component is provided on the grounding static contact, the concentric assembly component is a concentric assembly plate, and an assembly hole is provided on the concentric assembly plate.

5. The three-position switch mechanism with a hollow concentric structure for a C-GIS according to claim 4, characterized in that: Mounting hole positions are provided on the front support plate, the mounting hole positions are mounting round holes, and the mounting round holes are arranged around the middle installation position.

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