CN220290688U - Load switch grounding contact and load switch - Google Patents
Load switch grounding contact and load switch Download PDFInfo
- Publication number
- CN220290688U CN220290688U CN202321864526.5U CN202321864526U CN220290688U CN 220290688 U CN220290688 U CN 220290688U CN 202321864526 U CN202321864526 U CN 202321864526U CN 220290688 U CN220290688 U CN 220290688U
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- China
- Prior art keywords
- load switch
- contact
- grounding
- arc
- transition section
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Links
- 230000007704 transition Effects 0.000 claims description 19
- 230000003068 static effect Effects 0.000 claims description 3
- 238000000641 cold extrusion Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a load switch grounding contact with good stability and high conductivity and a load switch. The technical scheme adopted comprises the following steps: the integrated into one piece's ground contact body, the ground contact body includes the erection column, establishes the changeover portion in the erection column upper end and establishes the contact portion of changeover portion upper end, be equipped with the arcwall face on the changeover portion, and correspond arcwall face one side is equipped with the hanging groove, be equipped with the screw on the erection column. The advantages are as follows: 1. the grounding contact adopts a screw rod and hanging groove mode and a grounding beam, so that the stability is better, and the loosening is not easy; 2. the contact area is larger than that of the conventional structure, thereby increasing the guiding rate.
Description
Technical Field
The present utility model relates to a load switch.
Background
The load switch is a switching device between a breaker and a disconnecting switch, and is provided with a simple arc extinguishing device, and can cut off rated load current and a certain overload current. A load switch structure comprising: the device comprises side plates, an upper beam, a main shaft and a lower beam, wherein the upper beam, the main shaft and the lower beam are sequentially arranged between the side plates, the upper beam is provided with three-phase distributed fixed contacts, the main shaft is provided with three-phase distributed movable contacts, the lower beam is provided with a grounding beam, and the grounding beam is provided with a grounding contact. The structure of the grounding contact of the traditional load switch is as follows: the authorized bulletin number is "CN 214123772U", entitled: the utility model is shown in the Chinese patent of a 10kV1250A load switch, which is directly fixed by a screw rod, and has the following defects: 1. the long-term opening and closing is easy to cause loosening of the grounding contact; 2. the conductivity is low.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a load switch grounding contact and a load switch with good stability and high conductivity.
In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: integrally formed ground contact body, its characterized in that: the grounding contact body comprises a mounting column, a transition section arranged at the upper end of the mounting column and a contact part arranged at the upper end of the transition section, an arc-shaped surface is arranged on the transition section, a hanging groove is formed in one side of the arc-shaped surface, and a screw hole is formed in the mounting column.
The load switch grounding contact is characterized in that: and hanging grooves are formed in the transition section at two sides corresponding to the arc-shaped surface.
The load switch grounding contact is characterized in that: and a smooth transition cutting surface is arranged at the junction of the transition section corresponding to the arc-shaped surface and the hanging groove.
The load switch grounding contact is characterized in that: the thickness of the arc-shaped surface is 0.2-0.5cm.
The utility model provides a load switch, includes the curb plate and installs in proper order entablature, main shaft, the bottom end rail between the curb plate, be equipped with the static contact that the three-phase distributes on the entablature, be equipped with the moving contact that the three-phase distributes on the main shaft, be equipped with the grounding beam on the bottom end rail, its characterized in that: the grounding beam is provided with the load switch grounding contact, the load switch grounding contact is fastened through a screw rod, and the grounding beam is provided with a hook which is connected with the hanging groove in a hanging mode.
The load switch grounding contact and the load switch have the following advantages: 1. the grounding contact adopts a screw rod and hanging groove mode and a grounding beam, so that the stability is better, and the loosening is not easy; 2. the contact area is larger than that of the conventional structure, thereby increasing the guiding rate.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic view of the structure of a load switch ground contact of the present utility model;
fig. 2 is a cross-sectional view of the load switch of the present utility model.
Detailed Description
Example 1
As shown in fig. 1, the load switch grounding contact of the utility model comprises a grounding contact body 1 formed by integral cold extrusion. The grounding contact body 1 comprises a mounting column 2, a transition section 3 arranged at the upper end of the mounting column 2 and a contact part 4 arranged at the upper end of the transition section 3. An arc-shaped surface 5 is arranged on the transition section 3, a hanging groove 6 is formed in one side of the transition section 3 corresponding to the arc-shaped surface 5, and a screw hole 7 is formed in the mounting column 2. The grounding contact body 1 is ideally formed by integrally cold extrusion of copper materials.
Preferably, the two sides of the transition section 3 corresponding to the arc-shaped surface 5 are respectively provided with the hanging groove 6, so as to improve the stability of the hanging.
Preferably, a smooth transition cutting surface 8 is arranged at the junction of the transition section 3 corresponding to the arc-shaped surface 5 and the hanging groove 6, so as to strengthen the strength of the position and prevent breakage.
Preferably, the thickness of the arc-shaped surface 5 is 0.2-0.5cm to achieve optimal strength and conductivity.
Example 2
As shown in fig. 2, the load switch of the utility model comprises side plates 9 which are oppositely arranged left and right, an upper cross beam 10, a main shaft 11 and a lower cross beam 12 which are sequentially arranged between the side plates 9, wherein the upper cross beam 10 is provided with three-phase distributed static contacts 13, the main shaft 11 is provided with three-phase distributed moving contacts 14, and the lower cross beam 12 is provided with a grounding beam 15. The grounding beam 15 is provided with the load switch grounding contact a described in the embodiment 1 and fastened by a screw 16, and the grounding beam 15 is provided with a hook 17 which is hooked with the hanging groove 6. Is hung with the hanging groove 6 through the hanging hook 17.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a load switch ground contact, includes integrated into one piece's ground contact body (1), its characterized in that: the grounding contact body (1) comprises a mounting column (2), a transition section (3) arranged at the upper end of the mounting column (2) and a contact part (4) arranged at the upper end of the transition section (3), an arc-shaped surface (5) is arranged on the transition section (3), a hanging groove (6) is formed in one side of the arc-shaped surface (5) correspondingly, and a screw hole (7) is formed in the mounting column (2).
2. The load switch ground contact of claim 1, wherein: the transition section (3) is provided with hanging grooves (6) corresponding to two sides of the arc-shaped surface (5).
3. The load switch ground contact of claim 1, wherein: and a smooth transition cutting surface (8) is arranged at the junction of the transition section (3) corresponding to the arc-shaped surface (5) and the hanging groove (6).
4. The load switch ground contact of claim 1, wherein: the thickness of the arc-shaped surface (5) is 0.2-0.5cm.
5. The utility model provides a load switch, includes curb plate (9) and installs in proper order entablature (10), main shaft (11), bottom end rail (12) between curb plate (9), be equipped with static contact (13) that the three-phase distributes on entablature (10), be equipped with moving contact (14) that the three-phase distributes on main shaft (11), be equipped with ground connection roof beam (15) on bottom end rail (12), its characterized in that: the load switch grounding contact (a) of any one of claims 1-4 is arranged on the grounding beam (15) and is fastened through a screw rod (16), and a hook (17) which is hung with the hanging groove (6) is arranged on the grounding beam (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321864526.5U CN220290688U (en) | 2023-07-17 | 2023-07-17 | Load switch grounding contact and load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321864526.5U CN220290688U (en) | 2023-07-17 | 2023-07-17 | Load switch grounding contact and load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220290688U true CN220290688U (en) | 2024-01-02 |
Family
ID=89329319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321864526.5U Active CN220290688U (en) | 2023-07-17 | 2023-07-17 | Load switch grounding contact and load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220290688U (en) |
-
2023
- 2023-07-17 CN CN202321864526.5U patent/CN220290688U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |