CN216634150U - Replacement operating device for fuse in voltage transformer cabinet of transformer substation - Google Patents
Replacement operating device for fuse in voltage transformer cabinet of transformer substation Download PDFInfo
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- CN216634150U CN216634150U CN202122715512.4U CN202122715512U CN216634150U CN 216634150 U CN216634150 U CN 216634150U CN 202122715512 U CN202122715512 U CN 202122715512U CN 216634150 U CN216634150 U CN 216634150U
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- operating rod
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Abstract
The utility model relates to a replacement operating device for a fuse in a voltage transformer cabinet of a transformer substation, which comprises a fixed support, an insulating operating rod, fixed calipers and a movable baffle plate, wherein the fixed support is fixedly connected with the fixed support; the fixed support is a strip-shaped plate body, two ends of one side of the fixed support are provided with fixed calipers, the center of the other side of the fixed support is provided with a threaded through hole, and the fixed support is in threaded connection with the insulating operating rod through the threaded through hole; the fixed calipers are C-shaped, and the C-shaped openings are upward; one end of the insulating operating rod penetrates through the threaded through hole, and the end head of the insulating operating rod is rotatably connected with a movable baffle; the movable baffle is positioned in the C-shaped opening of the fixed caliper and can move in the fixed caliper to match with the fixed caliper to clamp the fuse in a rotating mode through the insulating operating rod. The replacement operation device for the fuse in the voltage transformer cabinet of the transformer substation can realize the insulation replacement operation of the high-voltage fuse without the need of an operator entering the voltage transformer cabinet, is favorable for simplifying safety protection measures, improves the working efficiency and shortens the time required for maintenance.
Description
Technical Field
The utility model relates to the technical field of electric power overhaul, in particular to a replacement operating device for a fuse in a voltage transformer cabinet of a transformer substation.
Background
The high-voltage switch cabinet is widely applied to a distribution room of a transformer substation due to the advantages of small occupied area, convenience in operation and maintenance and the like, wherein a common voltage Transformer (TV) cabinet is mainly used for providing secondary low-voltage input signals for various measuring instruments and relay protection devices and generally comprises components such as a voltage transformer, an isolating switch, a high-voltage fuse, a front cabinet body and a rear cabinet body. When abnormal faults such as line grounding, resonance, atmospheric overvoltage and the like occur, the high-voltage fuse can automatically fuse to protect equipment from being damaged. Therefore, the high-voltage fuse is a consumable part, and replacement and maintenance of the high-voltage fuse become one of the daily work contents of the substation.
On the one hand, once the high-voltage fuse is fused, the high-voltage fuse needs to be replaced quickly so as to ensure the normal work of various instrument devices in a secondary circuit of the transformer substation. On the other hand, in order to ensure the personal safety of the workers, the high-voltage fuse needs to be replaced strictly according to safety regulations, safety measures are made, and the high-voltage fuse is gradually operated according to the process, so that the time required by the replacement of the high-voltage fuse is obviously increased. In addition, the voltage transformer cabinet is generally placed in a distribution room of a transformer substation, and the indoor space is limited, so that the operation is unchanged when a high-voltage fuse is replaced, the working efficiency is influenced, and the operation flow is further delayed.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a replacing operation device for a fuse in a transformer substation voltage transformer cabinet, which can realize the insulation replacing operation of a high-voltage fuse without an operator entering the voltage transformer cabinet, is beneficial to simplifying safety protection measures, improving the working efficiency and shortening the time required by maintenance.
The technical scheme adopted by the utility model is as follows:
a replacing operation device for a fuse in a transformer substation voltage transformer cabinet comprises a fixed support, an insulating operation rod, fixed calipers and a movable baffle plate, wherein the fixed support is fixed on the fixed support; the fixed support is a strip-shaped plate body, two ends of one side of the fixed support are provided with fixed calipers, the center of the other side of the fixed support is provided with a threaded through hole, and the fixed support is in threaded connection with the insulating operating rod through the threaded through hole; the fixed calipers are C-shaped, and the C-shaped openings are upward; one end of the insulating operating rod penetrates through the threaded through hole, and the end head of the insulating operating rod is rotatably connected with a movable baffle; the movable baffle is positioned in the C-shaped opening of the fixed caliper and can move in the fixed caliper to match with the fixed caliper to clamp the fuse in a rotating mode through the insulating operating rod.
Furthermore, the movable baffle is strip-shaped, the bottom of the movable baffle is in contact with the inner surface of the C-shaped opening of the fixed caliper, one side of the movable baffle is rotatably connected with the end of the insulating operating rod through a bearing seat, and the other side of the movable baffle is provided with an arc-shaped groove matched with the fixed caliper to clamp the fuse.
Furthermore, insulating gaskets are arranged in the arc-shaped groove of the movable baffle and the C-shaped opening of the fixed caliper.
Furthermore, waist-shaped through holes are formed in two ends of the fixing support, and the fixing calipers are fixedly installed on one side of the fixing support through butterfly nuts penetrating through the waist-shaped through holes and capable of adjusting positions.
The utility model has the beneficial effects that:
the utility model provides a replacing operation device for a fuse in a transformer substation voltage transformer cabinet, which can quickly realize the clamping operation of a high-voltage fuse through the matching of two fixed calipers and a movable baffle; further cooperate the insulating bar to press from both sides the effective scope of getting the operation with the extension, need not operating personnel and get into voltage transformer cabinet, can realize the change work to high tension fuse in the high tension switchgear.
The replacing operation device for the fuse in the voltage transformer cabinet of the transformer substation is beneficial to simplifying operation procedures on the premise of ensuring safety, improving working efficiency and reducing workload and difficulty of maintaining the high-voltage fuse; but through setting up fixed calliper into lateral adjustment, can be applicable to the change operation to high-tension fuse under the different installation environment, the daily maintenance work of specially adapted transformer substation's electricity distribution room high tension switchgear.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic view of a fixed caliper according to the present invention;
FIG. 4 is a schematic view of the structure of the movable baffle of the present invention;
FIG. 5 is a schematic structural view of a fixing bracket according to the present invention;
in the figures 1-5, 1-fixed support, 2-insulating operating rod, 3-fixed caliper, 4-movable baffle, 5-threaded through hole, 6-fuse, 7-bearing seat, 8-arc groove, 9-insulating gasket, 10-kidney-shaped through hole and 11-butterfly nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-2, the present invention is a device for replacing fuses in a transformer substation voltage transformer cabinet, which comprises a fixed bracket 1, an insulating operating rod 2, a fixed caliper 3 and a movable baffle 4.
Specifically, the fixed support 1 is a strip-shaped plate body, the two ends of one side of the fixed support 1 are provided with fixed calipers 3, and the center of the other side of the fixed support 1 is provided with a threaded through hole 5 and is in threaded connection with the insulating operating rod 2 through the threaded through hole 5; the fixed calipers 3 are C-shaped, and the C-shaped openings are upward; one end of the insulating operating rod 2 penetrates through the threaded through hole 5, and the end head of the insulating operating rod is rotatably connected with a movable baffle 4; the movable baffle 4 is positioned in a C-shaped opening of the fixed caliper 3, and the movable baffle 4 can be matched with the fixed caliper 3 to clamp the fuse 6 in the fixed caliper 3 through the rotation of the insulating operating rod 2.
When the replacing operation device for the fuse in the voltage transformer cabinet of the transformer substation is used, the insulating operation rod 2 is held by hand, and a certain gap space is formed between the fixed caliper 3 and the movable baffle 4; then, extending the replacing operation device aiming at the fuse in the transformer substation voltage transformer cabinet into the transformer substation voltage transformer cabinet, and enabling the fuse 6 to be positioned between the fixed calipers 3 and the movable baffle 4; at last, the insulating operating rod 2 is rotated to enable the movable baffle 4 to move in the fixed calipers 3, the movable baffle 4 is matched with the fixed calipers 3 to clamp the fuse 6, the position of the fuse 6 is further guaranteed, and the replacement operation of the high-voltage fuse 6 is completed.
Further, the present embodiment shows a specific structure of the fixed bracket 1, the insulating operation rod 2, the fixed caliper 3, and the movable fence 4, as shown in fig. 3 to 5.
The fixing support 1 is in a strip shape and made of aluminum alloy or plastic materials, and a threaded through hole 5 is formed in the center of the fixing support 1 and is used for being in threaded connection with a stud part on the fixed insulating operating rod 2. The insulating operating rod 2 is cylindrical, the main body of the insulating operating rod is made of epoxy resin materials, a stud is arranged at one end of the insulating operating rod along the direction of a central shaft, and the length of the stud is not less than 60 mm. The fixed calipers 3 are made of aluminum alloy or plastic materials, the number of the fixed calipers is two, the two fixed calipers are respectively fixed at two ends of one side of the fixed support 1, the fixed calipers 3 are C-shaped, the end faces of the outer sides are flat and straight, the end faces of the inner sides are composed of a flat and straight section and an arc section, the radian of the arc section is not less than 60 degrees, and the radius of the arc is 2-8mm larger than the maximum radius of the fuse 6 to be clamped. The movable baffle 4 is strip-shaped, the bottom of the movable baffle 4 is in contact with the inner surface of a C-shaped opening of the fixed caliper 3, one side of the movable baffle 4 is rotatably connected with the end of the insulating operating rod 2 through a bearing seat 7, the other side of the movable baffle 4 is provided with an arc groove 8 matched with the fixed caliper 3 to clamp the fuse 6, and the radian and the arc radius of the arc groove 8 are consistent with those of an arc section on the inner side of the fixed caliper 3. The fuse 6 can be better clamped by matching the arc-shaped groove 8 of the movable baffle 4 with the arc section on the inner side of the fixed caliper 3.
Furthermore, in order to adapt to the narrow operation space in the transformer substation voltage transformer cabinet, the fuse 6 with different lengths can be clamped. The fixing support is characterized in that waist-shaped through holes 10 are formed in two ends of the fixing support 1, and the fixing calipers 3 can be fixedly installed on one side of the fixing support 1 through butterfly nuts 11 penetrating through the waist-shaped through holes 10 and capable of adjusting positions. The fixing calipers 3 can be adjusted relative to the fixing support 1 in a transverse moving mode by additionally arranging the waist-shaped through holes 10 and the butterfly nuts 11, so that the positions of the fixing calipers 3 are adjusted to be matched with a narrow operation space in a transformer substation voltage transformer cabinet, and the fuse 6 with different lengths can be clamped.
In another embodiment of the present invention, as shown in fig. 1, the arc-shaped groove 8 of the moving baffle 4 and the C-shaped opening of the fixed caliper 3 are both provided with an insulating pad 9, and the insulating pad 9 is made of rubber material and has a thickness of not less than 1 mm. The high-voltage fuse 6 can be effectively prevented from being damaged due to over stress when being clamped by adding the insulating gasket 9.
Claims (4)
1. The utility model provides a change operating means to fuse in transformer substation's voltage transformer cabinet which characterized in that: the replacement operation device for the fuse in the voltage transformer cabinet of the transformer substation comprises a fixed support, an insulating operation rod, fixed calipers and a movable baffle plate; the fixed support is a strip-shaped plate body, two ends of one side of the fixed support are provided with fixed calipers, the center of the other side of the fixed support is provided with a threaded through hole, and the fixed support is in threaded connection with the insulating operating rod through the threaded through hole; the fixed calipers are C-shaped, and the openings of the C-shaped calipers are upward; one end of the insulating operating rod penetrates through the threaded through hole, and the end head of the insulating operating rod is rotatably connected with a movable baffle; the movable baffle is positioned in the C-shaped opening of the fixed caliper and can move in the fixed caliper to match with the fixed caliper to clamp the fuse in a rotating mode through the insulating operating rod.
2. The replacement operating device for the fuse in the transformer substation voltage transformer cabinet according to claim 1, characterized in that: the movable baffle is strip-shaped, the bottom of the movable baffle is in contact with the inner surface of the C-shaped opening of the fixed caliper, one side of the movable baffle is rotatably connected with the end of the insulating operating rod through a bearing seat, and the other side of the movable baffle is provided with an arc-shaped groove matched with the fixed caliper to clamp the fuse.
3. The replacement operating device for the fuse in the transformer substation voltage transformer cabinet according to claim 1, characterized in that: and insulating gaskets are arranged in the arc-shaped groove of the movable baffle and the C-shaped opening of the fixed caliper.
4. The replacement operating device for the fuse in the transformer substation voltage transformer cabinet according to claim 1, characterized in that: the two ends of the fixing support are provided with waist-shaped through holes, and the fixing calipers are fixedly arranged on one side of the fixing support through butterfly nuts penetrating through the waist-shaped through holes and capable of adjusting positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715512.4U CN216634150U (en) | 2021-11-08 | 2021-11-08 | Replacement operating device for fuse in voltage transformer cabinet of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122715512.4U CN216634150U (en) | 2021-11-08 | 2021-11-08 | Replacement operating device for fuse in voltage transformer cabinet of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216634150U true CN216634150U (en) | 2022-05-31 |
Family
ID=81734511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122715512.4U Active CN216634150U (en) | 2021-11-08 | 2021-11-08 | Replacement operating device for fuse in voltage transformer cabinet of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216634150U (en) |
-
2021
- 2021-11-08 CN CN202122715512.4U patent/CN216634150U/en active Active
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