CN219998076U - Novel main bus grounding switch for charging cabinet PT - Google Patents
Novel main bus grounding switch for charging cabinet PT Download PDFInfo
- Publication number
- CN219998076U CN219998076U CN202321600470.2U CN202321600470U CN219998076U CN 219998076 U CN219998076 U CN 219998076U CN 202321600470 U CN202321600470 U CN 202321600470U CN 219998076 U CN219998076 U CN 219998076U
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- CN
- China
- Prior art keywords
- contact
- locking piece
- grounding switch
- main bus
- locking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract description 12
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of grounding switches, in particular to a novel main bus grounding switch for a charging cabinet PT. The utility model provides a novel main bus grounding switch for a charging cabinet PT, which can prevent a grounding switch contact from being accidentally separated and improve safety. The utility model provides a novel main bus grounding switch for cabinet PT, including chassis, static contact, rotating turret, moving contact, spring assembly and protection machanism, chassis rear portion upside is connected with a plurality of static contacts, and the rotating turret is connected with on the chassis, is connected with a plurality of moving contacts on the rotating turret, is connected with spring assembly between the moving contact of controlling two parts all and the chassis, is equipped with the protection machanism that is used for preventing the unexpected break away from of moving contact on the static contact. According to the utility model, the movable contact is prevented from accidentally rotating, resetting and separating from the fixed contact by the blocking and limiting operation of the locking piece under the action of the torsion spring, and the safety is improved.
Description
Technical Field
The utility model relates to the technical field of grounding switches, in particular to a novel main bus grounding switch for a charging cabinet PT.
Background
The grounding switch is a mechanical grounding device for releasing static charges of overhauled equipment and circuits and ensuring personal safety of overhaulers during power failure overhauling.
The existing grounding switch is characterized in that a rocker is inserted into the rear side of the inflatable cabinet, the connecting rod on the inflatable cabinet is rotated, the connecting rod drives the connecting contacts to be connected with each other, the personal safety of maintenance staff is realized when the grounding operation is guaranteed to be carried out power failure maintenance, but the existing grounding switch is not provided with protection measures at the contact connection part, the risk that the contacts are separated is caused when the grounding switch is used, and potential safety hazards are caused.
Therefore, in order to overcome the above-mentioned drawbacks of the prior art, a novel main bus grounding switch for a gas-insulated switchgear PT has been developed, which can prevent accidental disconnection of the grounding switch contacts and improve safety.
Disclosure of Invention
The utility model provides a novel main bus grounding switch for a charging cabinet PT, which can prevent the contact of the grounding switch from accidentally disengaging and improve the safety, and overcomes the defects that the contact joint of the conventional grounding switch is not provided with a protective measure, the contact is in risk of disengaging during use and has potential safety hazard.
The technical scheme of the utility model is as follows: the utility model provides a novel main bus grounding switch for cabinet PT, including chassis, static contact, rotating turret, moving contact, spring assembly and protection machanism, chassis rear portion upside is connected with a plurality of static contacts, and the rotating turret is connected with on the chassis, is connected with a plurality of moving contacts on the rotating turret, is connected with spring assembly between the moving contact of controlling two parts all and the chassis, is equipped with the protection machanism that is used for preventing the unexpected break away from of moving contact on the static contact.
Further stated, the protection mechanism comprises a fixed block, a locking piece and a torsion piece, wherein the top of the fixed contact is connected with the fixed block, the fixed block is connected with the locking piece in a rotary mode, the torsion piece is connected between the left side and the right side of the locking piece and the adjacent fixed block, and when the movable contact rotates upwards to be in contact with the fixed contact, the locking piece intercepts and limits the movable contact under the action of the torsion piece, so that the movable contact is prevented from accidentally rotating to reset and separating from the fixed contact.
Further, the locking mechanism comprises a limiting block and a locking block, the top of the fixed contact is connected with the limiting block, the locking block is connected with the limiting block in a sliding mode, the locking block is matched with the locking piece in a clamping mode, the locking piece is not required to be used or the locking piece is required to be rotated to be connected with the fixed contact, the locking piece is rotated to be fixed through the locking block, and when the locking piece is required to be used, the locking block is pulled, and the torsion piece is enabled to rebound to drive the locking piece to reset.
Further stated, a reinforcing rod is connected between the moving contacts.
Further illustratively, the torsion member is a torsion spring.
Further stated, the locking mechanism further includes a connecting rod connected between the front sides of the locking members.
The beneficial effects are as follows: 1. according to the utility model, the movable contact is prevented from accidentally rotating, resetting and separating from the fixed contact by the blocking and limiting operation of the locking piece under the action of the torsion spring, and the safety is improved.
2. According to the utility model, the locking piece is synchronously controlled through the connecting rod, and the locking piece is fixed by matching with the locking block, so that the effects of conveniently controlling the locking piece and improving the operation convenience can be achieved.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of a protection mechanism according to the present utility model.
Fig. 3 is a schematic structural view of the locking mechanism of the present utility model.
Fig. 4 is a schematic perspective view of the locking mechanism of the present utility model.
The reference symbols in the drawings: 1: chassis, 2: static contact, 3: rotating frame, 4: moving contact, 5: spring assembly, 6: protection mechanism, 60: fixed block, 61: locking piece, 62: torsion spring, 7: locking mechanism, 70: connecting rod, 71: stopper, 72: and a locking block.
Detailed Description
The utility model will be further described with reference to specific examples, illustrative examples and illustrations of which are provided herein to illustrate the utility model, but are not to be construed as limiting the utility model.
The utility model provides a novel main bus grounding switch for cabinet PT, as shown in FIG. 1, including chassis 1, static contact 2, rotating turret 3, moving contact 4, spring assembly 5 and protection machanism 6, chassis 1 rear portion upside is connected with a plurality of static contacts 2, and the last rotation of chassis 1 is connected with rotating turret 3, is connected with a plurality of moving contacts 4 on the rotating turret 3, is connected with the stiffening rod between the moving contact 4, can increase moving contact 4 stability, is connected with spring assembly 5 between the moving contact 4 of left and right sides and chassis 1, is equipped with protection machanism 6 on the static contact 2.
As shown in fig. 1 and 2, the protection mechanism 6 includes a fixed block 60, a locking member 61 and a torsion spring 62, the top of the fixed contact 2 is connected with the fixed block 60, the fixed block 60 is rotatably connected with the locking member 61, and the torsion spring 62 is connected between the left and right sides of the locking member 61 and the adjacent fixed block 60.
Can use local earthing switch in the cabinet that aerifing, at first install chassis 1 in the cabinet that aerifing, through being connected control lever and rotating turret 3, the rotation of control rotating turret 3, when needing to use, through control lever control rotating turret 3, rotating turret 3 rotates and makes moving contact 4 upwards rotate and be connected with fixed contact 2, after fixed contact 2 contacts with moving contact 4, can release the static charge by maintenance equipment and return circuit, maintenance personnel personal safety when guaranteeing the power failure maintenance, in order to prevent that fixed contact 2 and moving contact 4 from accidentally breaking away from, when fixed contact 2 is connected with moving contact 4, locking piece 61 intercepts spacing to moving contact 4 under torsional spring 62, prevent that moving contact 4 accidentally rotates to reset and breaks away from fixed contact 2, when needs to make moving contact 4 reset, rotate and open locking piece 61 can.
As shown in fig. 1, 3 and 4, the locking mechanism 7 is further included, the locking mechanism 7 includes a connecting rod 70, a limiting block 71 and a locking block 72, the connecting rod 70 is connected between the front sides of the locking pieces 61, the top of the fixed contact 2 is connected with the limiting block 71, the limiting block 71 is connected with the locking block 72 in a sliding manner, and the locking block 72 is in clamping fit with the locking pieces 61.
The locking mechanism 7 of the device can be used for conveniently controlling the locking piece 61, when the locking piece 61 is not needed or the moving contact 4 is needed to be rotated to be connected with the fixed contact 2, the locking piece 61 is synchronously rotated through the connecting rod 70, then the locking piece 72 is slid, the locking piece 61 is fixed through the locking piece 72, and when the locking piece 61 is needed to be used, the locking piece 72 is pulled, so that the torsion spring 62 rebounds to drive the locking piece 61 to reset.
The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the principles and embodiments of the utility model may be implemented in conjunction with the detailed description of the utility model that follows, the examples being merely intended to facilitate an understanding of the method of the utility model and its core concepts; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (6)
1. Novel main bus grounding switch for air charging cabinet PT, which is characterized in that: including chassis (1), stationary contact (2), rotating turret (3), moving contact (4), spring assembly (5) and protection machanism (6), chassis (1) rear portion upside is connected with a plurality of stationary contacts (2), and the rotation is connected with rotating turret (3) on chassis (1), is connected with a plurality of moving contact (4) on rotating turret (3), is connected with spring assembly (5) between moving contact (4) of controlling two parts all and chassis (1), is equipped with on stationary contact (2) and is used for preventing protection machanism (6) that stop contact (4) accident breaks away from.
2. The main bus grounding switch for a novel air charging cabinet PT according to claim 1, wherein: the protection mechanism (6) comprises a fixed block (60), a locking piece (61) and a torsion piece, wherein the top of the fixed contact (2) is connected with the fixed block (60), the fixed block (60) is connected with the locking piece (61) in a rotating way, the torsion piece is connected between the left side and the right side of the locking piece (61) and the adjacent fixed block (60), and when the movable contact (4) rotates upwards to be in contact with the fixed contact (2), the locking piece (61) intercepts and limits the movable contact (4) under the action of the torsion piece, so that the movable contact (4) is prevented from accidentally rotating to reset and separating from the fixed contact (2).
3. The main bus grounding switch for a novel air charging cabinet PT according to claim 2, wherein: still including locking mechanical system (7), locking mechanical system (7) are including stopper (71) and locking piece (72), fixed contact (2) top is connected with stopper (71), sliding connection has locking piece (72) on stopper (71), locking piece (72) and locking piece (61) joint cooperation, when need not use locking piece (61) or need rotate moving contact (4) and fixed contact (2) are connected, sliding locking piece (72) after rotating locking piece (61), fix locking piece (61) through locking piece (72), when need use locking piece (61), pulling locking piece (72) for torsion piece resilience drives locking piece (61) and resets can.
4. The main bus grounding switch for a novel air charging cabinet PT according to claim 1, wherein: a reinforcing rod is connected between the moving contacts (4).
5. The main bus grounding switch for a novel air charging cabinet PT according to claim 2, wherein: the torsion member is a torsion spring (62).
6. A novel main bus grounding switch for a gas-filled tank PT as set forth in claim 3, wherein: the locking mechanism (7) further comprises a connecting rod (70), and the connecting rod (70) is connected between the front sides of the locking pieces (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321600470.2U CN219998076U (en) | 2023-06-24 | 2023-06-24 | Novel main bus grounding switch for charging cabinet PT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321600470.2U CN219998076U (en) | 2023-06-24 | 2023-06-24 | Novel main bus grounding switch for charging cabinet PT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219998076U true CN219998076U (en) | 2023-11-10 |
Family
ID=88610928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321600470.2U Active CN219998076U (en) | 2023-06-24 | 2023-06-24 | Novel main bus grounding switch for charging cabinet PT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219998076U (en) |
-
2023
- 2023-06-24 CN CN202321600470.2U patent/CN219998076U/en active Active
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