CN220731397U - Mechanical locking structure of isolating switch - Google Patents
Mechanical locking structure of isolating switch Download PDFInfo
- Publication number
- CN220731397U CN220731397U CN202322407407.3U CN202322407407U CN220731397U CN 220731397 U CN220731397 U CN 220731397U CN 202322407407 U CN202322407407 U CN 202322407407U CN 220731397 U CN220731397 U CN 220731397U
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- locking
- plate
- connecting rod
- mechanical
- supporting plate
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- 230000007704 transition Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a mechanical locking structure of an isolating switch, wherein a locking disc and a locking plate are of an open U-shaped structure, so that the mechanical locking structure is convenient to be inserted into a vertical connecting rod for installation and disassembly of the vertical connecting rod without disassembly. The locking disc is welded with the supporting plate, the locking disc can be fixed on the upper side of the mechanism holding clamp, the installation height is reduced, the on-site maintenance is convenient, the supporting plate is provided with the jackscrew hole, and the vertical connecting rod and the locking disc are prevented from sliding by the jackscrew. The utility model has convenient installation, realizes the additional installation and disassembly of the lock without dismantling the vertical connecting rod, reduces the installation and maintenance period, and is more convenient for maintaining and replacing accessories, etc.
Description
Technical Field
The utility model relates to the technical field of isolating switches, in particular to an adjustable mechanical locking device of a high-voltage alternating-current isolating switch.
Background
The mechanical latch of the disconnector is typically mounted to the body and utilizes mechanical linkage components of the electrical device to form a catch and card braking relationship at a specific location of the mechanical travel. The mechanical locking is easy to be blocked in the movement process, and because the mechanical locking is arranged on the equipment body, the distance from the equipment body to the ground is relatively high, the maintenance and replacement are performed by the power failure, the vertical connecting rod is detached, then the main knife and the ground knife are required to be debugged again after the maintenance is completed, the transformation period is long, and the power transmission requirement cannot be met.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a mechanical locking structure of an isolating switch, which has the technical scheme that:
the locking device comprises a locking disc, a locking plate, a locking connecting rod and a vertical connecting rod, wherein the locking disc and the locking plate are both provided with an opening at one end, a supporting plate is vertically fixed on the locking disc, and a single thread ejection hole is formed in the supporting plate;
the locking disc and the locking plate are both installed on the vertical connecting rod in an inserted mode, and the supporting plate on the locking disc is fixedly installed above the holding clamp;
a threaded hole is formed in one side of the locking plate, a bolt I penetrates through the threaded hole and is sleeved with the roller, a bottom supporting plate is fixedly arranged at the bottom of the bolt I, and the supporting plate is connected with the bottom supporting plate through a bolt II to clamp the vertical connecting rod; the roller and the bolt I are in transition through a shaft sleeve, and the side surface of the roller is in contact with an arc-shaped notch of the locking disc; the other side of the locking plate is provided with a plurality of through holes which are fixedly connected with the connecting plate through matching bolts and nuts;
the middle of the connecting plate is provided with a threaded hole and is fixedly connected with one end of a double-head screw rod, and the other end of the double-head screw rod is fixedly connected with one end of a locking connecting rod.
Further, the locking plate is installed under the locking plate with its surfaces in contact with each other.
Further, the mechanical locking structure is a symmetrical structure and is respectively arranged on the main cutter vertical connecting rod and the ground cutter vertical connecting rod, and the middle is connected by using the locking connecting rod.
Further, the locking plate and the locking disc opening are both U-shaped.
The beneficial effects of the utility model are as follows: the utility model relates to a mechanical locking structure of an isolating switch, wherein a locking disc and a locking plate are of an open U-shaped structure, so that the mechanical locking structure is convenient to be inserted into a vertical connecting rod for installation and disassembly of the vertical connecting rod without disassembly. The locking disc is welded with the supporting plate, the locking disc can be fixed on the upper side of the mechanism holding clamp, the installation height is reduced, the on-site maintenance is convenient, the supporting plate is provided with the jackscrew hole, and the vertical connecting rod and the locking disc are prevented from sliding by the jackscrew. The utility model has convenient installation, realizes the additional installation and disassembly of the lock without dismantling the vertical connecting rod, reduces the installation and maintenance period, and is more convenient for maintaining and replacing accessories, etc.
Drawings
FIG. 1 is a schematic illustration of the application of the mechanical latch of the present utility model to a unitary structure;
FIG. 2 is a schematic illustration of a mechanical latch of the present utility model on one side;
FIG. 3 is an exploded view of a single side structure of the mechanical latch of the present utility model;
FIG. 4 is a diagram of a latch plate configuration of the present utility model;
FIG. 5 is a block diagram of a latch plate according to the present utility model;
description of the drawings: 1-a locking disk; 2-a bottom support plate; 3-locking plate; 4-roller sleeves; 5-rolling wheels; 6, connecting a plate; 7-a double-ended screw; 8-a locking link; 9-vertical links; 10-jackscrews; 11-limit notch; 12-supporting plates; 13 top thread holes; 14 threaded holes.
Description of the embodiments
As shown in the figure, the utility model provides a mechanical locking structure of an isolating switch, which is characterized in that the mechanical locking structure can be additionally arranged and detached without dismantling a vertical connecting rod, the mechanical locking structure is of a symmetrical structure, and is respectively arranged on a main knife vertical connecting rod and a ground knife vertical connecting rod, and the middle part of the mechanical locking structure is connected with a locking connecting rod 8 to transmit acting force to generate displacement. When the positioning pin of the ground knife locking plate is positioned on the arc-shaped surface of the ground knife locking plate, the positioning pin of the main knife locking plate is positioned in the limiting notch of the main knife locking plate; when the main cutter locking plate locating pin is positioned on the arc-shaped surface of the main cutter locking plate, the ground cutter locking plate locating pin is positioned in the limiting notch of the ground cutter locking plate.
Consists of a locking disc 1, a bottom supporting plate 2, a locking plate 3, a roller sleeve 4, a roller 5, a connecting plate 6, a locking connecting rod 8, a vertical connecting rod 9, a jackscrew 10 and the like.
The locking disc 1 is inserted and installed on the vertical connecting rod 9, the bottom welding single supporting plate 12 and the bottom supporting plate 2 are connected and clamped on the vertical connecting rod 9 by utilizing bolts II, supporting force is provided for the locking structure, and the supporting plate is installed above the mechanism clamp; the locking plate 3 has a long U-shaped structure, is inserted into the vertical connecting rod 9, and the U-shaped groove can provide enough displacement space for the locking structure, the locking plate 3 is placed above the locking disc 1 to be contacted with the locking disc, and the U-shaped structure provides displacement space for locking transverse movement while being convenient to install; the roller sleeve 4 and the roller 5 are installed in threaded holes in the locking plate 3 by using bolts I, and the roller sleeve 4 is installed between the roller 5 and the bolts I, so that friction force is reduced. Two through holes are respectively formed in the corresponding positions of the two sides of the connecting plate 6 and the locking plate 3, the connecting plate can be fixedly connected with the locking plate 3 through bolts III and matched nuts, a transverse threaded hole is formed in the middle of the connecting plate, and the connecting plate can be fixed with the locking pull rod through a double-headed screw. The two ends of the locking connecting rod 8 are provided with threaded holes, the locking connecting rod is connected with the connecting plates 6 on the two sides by utilizing the double-headed screw rod 7, the double-headed screw rod 7 is provided with a fixing nut, and the locking connecting rod is used for transmitting force in the horizontal direction to the locking plates on the two sides during the movement process.
Referring to fig. 4, the side of the locking disc is of an arc structure, an inward concave arc notch 11 is formed, the locking disc can fully contact with the side of the roller 5 when moving, a supporting plate 12 (which can be integrally designed) is welded on the lower side of the locking disc, the modular design is convenient for on-site installation, a jackscrew hole 13 is formed in the supporting plate, and after locking installation, a jackscrew 10 is installed to prevent the locking disc 1 and the vertical connecting rod 9 from sliding relatively.
Referring to fig. 5, a threaded hole 14 is formed on the left side of the locking plate, four through holes are formed on the right side of the locking plate, the roller 5 can be fixed on the left side by using a matching bolt, and the right side of the locking plate is fixedly connected with the connecting plate by using a matching bolt III and a nut.
Working principle: unlike the mechanical lock installed on the rotation shafts of the main and ground knives in the prior art, the mechanical lock of the utility model is installed on the vertical connecting rods of the main and ground knives by using the open structure of the locking disc and the locking plate. When the isolating switch is switched on, the vertical connecting rod 9 drives the locking disc 1 to rotate, so that the roller 5 on the locking plate 3 rotates outwards from the arc-shaped notch to drive the locking plate 3 to slide horizontally, and at the moment, the roller 5 in the locking structure of the grounding switch is positioned in the limiting groove, and the grounding switch cannot be switched on.
Since the above description is only specific embodiments of the present utility model, the protection of the present utility model is not limited thereto, and any equivalent changes or substitutions of technical features of the present utility model will be apparent to those skilled in the art, and are included in the scope of the present utility model.
Claims (4)
1. The mechanical locking structure of the isolating switch comprises a locking disc, a locking plate, a locking connecting rod and a vertical connecting rod, and is characterized in that the locking disc and the locking plate are both provided with an opening at one end, a supporting plate is vertically fixed on the locking disc, and a single top wire hole is arranged on the supporting plate;
the locking disc and the locking plate are both installed on the vertical connecting rod in an inserted mode, and the supporting plate on the locking disc is fixedly installed above the holding clamp; a threaded hole is formed in one side of the locking plate, a bolt I penetrates through the threaded hole and is sleeved with the roller, a bottom supporting plate is fixedly arranged at the bottom of the bolt I, and the supporting plate is connected with the bottom supporting plate through a bolt II to clamp the vertical connecting rod; the roller and the bolt I are in transition through a shaft sleeve, and the side surface of the roller is in contact with an arc-shaped notch of the locking disc; the other side of the locking plate is provided with a plurality of through holes which are fixedly connected with the connecting plate through matching bolts and nuts;
the middle of the connecting plate is provided with a threaded hole and is fixedly connected with one end of a double-head screw rod, and the other end of the double-head screw rod is fixedly connected with one end of a locking connecting rod.
2. A mechanical latch structure for a disconnector according to claim 1 in which the latch plate is mounted under the latch plate with its surfaces in contact with each other.
3. A mechanical locking structure of an isolating switch as claimed in claim 1, characterized in that the mechanical locking structure is a symmetrical structure, which is respectively mounted on the main knife vertical link and the ground knife vertical link, and the middle is connected by the locking link.
4. The mechanical latching mechanism of claim 1, wherein the latch plate and the latch plate opening are both U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407407.3U CN220731397U (en) | 2023-09-06 | 2023-09-06 | Mechanical locking structure of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322407407.3U CN220731397U (en) | 2023-09-06 | 2023-09-06 | Mechanical locking structure of isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220731397U true CN220731397U (en) | 2024-04-05 |
Family
ID=90492513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322407407.3U Active CN220731397U (en) | 2023-09-06 | 2023-09-06 | Mechanical locking structure of isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220731397U (en) |
-
2023
- 2023-09-06 CN CN202322407407.3U patent/CN220731397U/en active Active
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