CN218730615U - Distribution network isolator, earthing switch integration interlocking protection device - Google Patents
Distribution network isolator, earthing switch integration interlocking protection device Download PDFInfo
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- CN218730615U CN218730615U CN202223025618.2U CN202223025618U CN218730615U CN 218730615 U CN218730615 U CN 218730615U CN 202223025618 U CN202223025618 U CN 202223025618U CN 218730615 U CN218730615 U CN 218730615U
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- operating rod
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Abstract
The utility model relates to the technical field of power grid equipment, in particular to a power distribution network disconnecting switch and grounding switch integrated interlocking protection device, which comprises a bracket, wherein a circuit is arranged on the bracket, a disconnecting switch operating rod is also arranged on the bracket, and a disconnecting switch component is arranged on the disconnecting switch operating rod and is used for the switching-off and switching-on operations of a disconnecting switch; and the grounding switch operating rod is provided with a grounding switch assembly for switching on and switching off the grounding switch. Among this distribution network isolator, earthing switch integration interlocking protection device, operating personnel only need on ground with electrified function insulator spindle test the electricity, the operation can, reduced and carried current earth connection transportation, step on the pole operation link, solve at ordinary times and install the heavy problem of earthing for work line task on built on stilts distribution lines, reduce operation operating personnel's intensity of labour, when having solved not set up the ground connection link on the built on stilts insulated conductor, install the difficulty of earth connection.
Description
Technical Field
The utility model relates to a power grid equipment technical field, specifically speaking relates to a distribution network isolator, earthing switch integration interlocking protection device.
Background
In the operation process of an electric power system, at present, no tower line disconnecting switch and grounding switch integrated device with a charged indicator and an anti-misoperation locking function exists.
Patent No. CN213093117U discloses a novel 10 kv isolating switch with a grounding column, which comprises a base, an insulator, a conductive connecting plate, a wire equipment clamp, a static contact, a moving contact, a knife switch, a grounding contact and a grounding wire equipment clamp; an insulator is arranged on the base, a conductive connecting plate is arranged on the insulator, and the knife switch is connected with the front end of the conductive connecting plate through a moving contact; the wire clamp and the static contact of the wire equipment are connected with the insulator arranged on the base through the conductive connecting plate; the grounding contact and the grounding wire equipment wire clamp are respectively connected through a conductive connecting plate. The utility model has the advantages that: possess simultaneously on traditional post isolator and test electric earthing ring both functions, the operation personnel once step on the pole and can accomplish power isolation and test electric, earthing triplex work in same position, have reduced and have stepped on the shaft tower number of times, have improved work efficiency. The grounding measure can be safely and reliably completed, the structure is exquisite and durable, and the production cost is low.
Although the technical scheme reduces the pole and tower climbing times and improves the working efficiency. Guarantee safe and reliable's completion ground connection measure, the structure is exquisite durable, low in production cost, but when needing to hang, disconnect ground wire on the circuit, need operating personnel to climb the pole and hang, disconnect ground wire, because need ascend a height, cause and have certain height and weigh down the risk, and because operating personnel's skill level is uneven, not only a large amount of consumptions work permit time, still the multiple high probability of weighing down that has increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a distribution network isolator, earthing switch integration interlocking protection device to not only a large amount of consumption work permission time when hanging, tearing open the earth connection that provide in solving above-mentioned background art, still multiplied increase the high probability problem of weighing down.
In order to achieve the purpose, the utility model provides a distribution network isolator, earthing switch integration interlocking protection device, which comprises a bracket, be provided with the circuit on the support, still install the circuit on the support
The isolating switch comprises an isolating switch operating rod, a switch and a switch control device, wherein an isolating switch assembly is installed on the isolating switch operating rod and is used for switching-off and switching-on operations of an isolating switch;
the grounding switch operating rod is provided with a grounding switch assembly and is used for switching on and switching off the grounding switch;
the linkage mechanism links the isolating switch operating rod and the grounding switch operating rod, the linkage mechanism comprises an S rod, one end of the grounding switch operating rod is movably connected with the left end of the S rod, and one end of the isolating switch operating rod is movably connected with the right end of the S rod.
Preferably, an isolation switch operating handle is mounted at one end of the isolation switch operating rod, and an earthing switch operating handle is mounted at one end of the earthing switch operating rod.
As preferred, the earthing switch action bars is close to S pole department and installs the sleeve pipe through locking screw, the sheathed tube outer wall rotates through the left end of round pin axle with the S pole to be connected, the isolator action bars is close to S pole department and installs the fanning strip, the arc spout has been seted up on the surface of fanning strip, the right-hand member of S pole is through the round pin axle fixing in the arc spout, just the right-hand member of S pole can slide and rotate along the arc spout.
Preferably, the grounding switch operating rod is provided with a grounding wire lap joint in the middle.
Preferably, the isolating switch assembly comprises an isolating switch moving contact and an isolating switch fixed contact, and the isolating switch operating rod can rotate to drive the isolating switch moving contact and the isolating switch fixed contact to be closed or opened.
Preferably, the earthing switch component comprises an earthing switch moving contact and an earthing switch static contact, and the earthing switch operating rod can rotate to drive the earthing switch moving contact and the earthing switch static contact to be closed or opened.
Preferably, a ceramic capacitor insulator is installed at one end of the moving contact of the isolating switch, and the moving contacts of the isolating switch are connected with a live display through wires.
Compared with the prior art, the beneficial effects of the utility model are that:
among this distribution network isolator, earthing switch integration interlocking protection device, operating personnel only need on ground with electrified function insulator spindle test the electricity, the operation can, reduced and carried current earth connection transportation, step on the pole operation link, reduced the risk, improved the operation benefit.
2. Among this distribution network isolator, earthing switch integration interlocking protection device, solve at ordinary times and install the heavy problem of earthing for work line task on built on stilts distribution lines, let operation operating personnel need not bear heavy earthing for work line and climb the mountain and wade, reduce operation operating personnel's intensity of labour, when not setting up the ground connection link on having solved the built on stilts insulated conductor, install the difficulty of earth connection.
Drawings
Fig. 1 is one of the overall structural diagrams of the present invention;
FIG. 2 is a second schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural diagram of the middle linkage mechanism of the present invention.
The various reference numbers in the figures mean:
1. an isolating switch operating lever; 11. an isolating switch operating handle; 12. a fan-shaped sheet; 121. an arc-shaped chute; 2. a ground switch operating lever; 21. a ground switch operating handle; 22. a ground wire lap joint; 23. a sleeve; 231. locking screws; 3. a linkage mechanism; 31. an S rod; 4. an isolation switch assembly; 41. a moving contact of the isolating switch; 42. a fixed contact of the isolating switch; 43. an incoming wire terminal; 5. a ground switch assembly; 51. a moving contact of the grounding switch; 52. a static contact of the grounding switch; 6. a ceramic capacitor insulator; 7. a charged display; 8. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a distribution network isolator, earthing switch integration interlocking protection device, as shown in figure 1-figure 3, including support 8, be provided with the circuit on support 8, still install isolator action bars 1 on support 8, isolator action bars 1 is installed on support 8 through the bearing frame, isolator subassembly 4 is installed on isolator action bars 1, is used for isolator's separating brake and combined floodgate operation; the grounding switch operating rod 2 is installed on the support 8 through a bearing seat, and a grounding switch assembly 5 is installed on the grounding switch operating rod 2 and used for switching-on and switching-off operations of a grounding switch; the linkage mechanism 3 links the disconnecting switch operating rod 1 and the grounding switch operating rod 2, the linkage mechanism 3 comprises an S rod 31, one end of the grounding switch operating rod 2 is movably connected with the left end of the S rod 31, and one end of the disconnecting switch operating rod 1 is movably connected with the right end of the S rod 31.
In this embodiment, the disconnecting switch operating handle 11 is installed at one end of the disconnecting switch operating rod 1, the disconnecting switch operating handle 11 controls the disconnecting switch operating rod 1 to rotate, the earthing switch operating handle 21 is installed at one end of the earthing switch operating rod 2, and the earthing switch operating rod 2 is controlled to rotate by operating the earthing switch operating handle 21.
Specifically, the sleeve 23 is installed at a position, close to the S rod 31, of the ground switch operating rod 2 through a locking screw 231, the outer wall of the sleeve 23 is connected with the left end of the S rod 31 through a pin shaft in a rotating mode, the isolating switch operating rod 1 is installed at a position, close to the S rod 31, of the isolating switch operating rod 1 through a locking screw 231, an arc chute 121 is formed in the surface of the arc chute 12, the right end of the S rod 31 is fixed in the arc chute 121 through a pin shaft, the right end of the S rod 31 can slide and rotate along the arc chute 121, when the ground switch operating rod 2 rotates, the ground switch assembly 5 performs opening and closing actions, the ground switch operating rod 2 pulls the S rod 31 to move, further, the isolating switch assembly 4 performs opening and closing actions, after the ground switch operating rod 2 rotates in place, the left end groove of the S rod 31 can be clamped at the outer wall of the ground switch operating rod 2, rotation is avoided, when the isolating switch operating rod 1 rotates, the isolating switch assembly 4 performs opening and closing actions, and the isolating switch operating rod 1 pulls the S rod 31 to move, further, the opening and closing action of the isolating switch operating rod 31 can not be clamped at the outer wall of the rotating groove of the isolating switch operating rod 121, and the isolating switch operating rod 31 is ensured.
Further, a grounding wire lap joint 22 is installed in the middle of the grounding switch operating lever 2 for connecting a grounding wire.
Further, the isolating switch assembly 4 includes an isolating switch moving contact 41 and an isolating switch static contact 42, the isolating switch operating rod 1 can rotate to drive the isolating switch moving contact 41 and the isolating switch static contact 42 to be closed or opened, so as to realize the opening and closing actions of the isolating switch assembly 4, and an inlet wire terminal 43 is installed at one end of the isolating switch static contact 42.
Further, the grounding switch assembly 5 includes a grounding switch moving contact 51 and a grounding switch static contact 52, and the grounding switch operating rod 2 can rotate to drive the grounding switch moving contact 51 and the grounding switch static contact 52 to be closed or opened, so as to realize the opening and closing actions of the grounding switch assembly 5.
Furthermore, a ceramic capacitor insulator 6 is installed at one end of the moving contact 41 of the isolating switch, and the moving contact 41 of the isolating switch is connected with a live display 7 through a conducting wire, so that whether the circuit is live or not can be directly displayed.
When the integrated interlocking protection device for the disconnecting switch and the grounding switch of the power distribution network is used, firstly, the disconnecting switch operating rod 1 rotates to drive the disconnecting switch component 4 to act, and when the disconnecting switch component 4 rotates to a closing state, the grounding switch operating rod 2 is driven to rotate through the linkage mechanism 3, so that the opening of the grounding switch component 5 is realized; when the isolating switch assembly 4 rotates to an opening state, the grounding switch operating rod 2 is driven to rotate through the linkage mechanism 3, and then the closing of the grounding switch assembly 5 is realized; when the grounding switch operating rod 2 rotates to drive the grounding switch assembly 5 to act, and when the grounding switch assembly 5 rotates to a closing state, the linkage mechanism 3 drives the isolating switch operating rod 1 to rotate, so that the disconnecting switch of the isolating switch assembly 4 is realized; when the grounding switch component 5 rotates to an opening state, the linkage mechanism 3 drives the isolating switch operating rod 1 to rotate, and then closing of the isolating switch component 4 is achieved.
Finally, it should be noted that in the charged display 7 and the like in the present embodiment, electronic components in the above components are all common standard components or components known to those skilled in the art, and the structure and principle thereof are known to those skilled in the art through technical manuals or through conventional experimental methods.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a distribution network isolator, earthing switch integration interlocking protection device, includes support (8), be provided with the circuit on support (8), its characterized in that: the bracket (8) is also provided with
The isolating switch comprises an isolating switch operating rod (1), wherein an isolating switch assembly (4) is mounted on the isolating switch operating rod (1) and used for switching-off and switching-on operations of an isolating switch;
the grounding switch operating rod (2) is provided with a grounding switch assembly (5) which is used for switching on and switching off the grounding switch;
link gear (3), link gear (3) are with isolator action bars (1) and earthing switch action bars (2) linkage, link gear (3) include S pole (31), the left end swing joint of the one end of earthing switch action bars (2) and S pole (31), the right-hand member swing joint of the one end of isolator action bars (1) and S pole (31).
2. The power distribution network isolating switch and grounding switch integrated interlocking protection device according to claim 1, characterized in that: isolator operating handle (11) are installed to the one end of isolator action bars (1), earthing switch operating handle (21) are installed to the one end of earthing switch action bars (2).
3. The power distribution network isolating switch and grounding switch integrated interlocking protection device according to claim 1, characterized in that: earthing switch action bars (2) are close to S pole (31) department and install sleeve pipe (23) through locking screw (231), the outer wall of sleeve pipe (23) is rotated through the left end of round pin axle with S pole (31) and is connected, isolator action bars (1) are close to S pole (31) department and install fan-shaped piece (12), arc spout (121) have been seted up on the surface of fan-shaped piece (12), the right-hand member of S pole (31) is fixed in arc spout (121) through the round pin axle, just the right-hand member of S pole (31) can slide and rotate along arc spout (121).
4. The power distribution network isolating switch and grounding switch integrated interlocking protection device according to claim 1, characterized in that: and the middle part of the grounding switch operating rod (2) is provided with a grounding wire lap joint (22).
5. The power distribution network isolating switch and grounding switch integrated interlocking protection device according to claim 1, characterized in that: the isolating switch assembly (4) comprises an isolating switch moving contact (41) and an isolating switch static contact (42), and the isolating switch operating rod (1) can rotate to drive the isolating switch moving contact (41) and the isolating switch static contact (42) to be closed or opened.
6. The power distribution network isolating switch and grounding switch integrated interlocking protection device according to claim 1, characterized in that: the grounding switch component (5) comprises a grounding switch moving contact (51) and a grounding switch static contact (52), and the grounding switch operating rod (2) can rotate to drive the grounding switch moving contact (51) and the grounding switch static contact (52) to be closed or opened.
7. The power distribution network isolating switch and grounding switch integrated interlocking protection device according to claim 5, characterized in that: a ceramic capacitor insulator (6) is installed at one end of the isolating switch moving contact (41), and the isolating switch moving contact (41) is connected with a live display (7) through a conducting wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223025618.2U CN218730615U (en) | 2022-11-15 | 2022-11-15 | Distribution network isolator, earthing switch integration interlocking protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223025618.2U CN218730615U (en) | 2022-11-15 | 2022-11-15 | Distribution network isolator, earthing switch integration interlocking protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730615U true CN218730615U (en) | 2023-03-24 |
Family
ID=85616792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223025618.2U Active CN218730615U (en) | 2022-11-15 | 2022-11-15 | Distribution network isolator, earthing switch integration interlocking protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730615U (en) |
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2022
- 2022-11-15 CN CN202223025618.2U patent/CN218730615U/en active Active
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