CN211507496U - Protection interlocking mechanism for isolating switch - Google Patents
Protection interlocking mechanism for isolating switch Download PDFInfo
- Publication number
- CN211507496U CN211507496U CN201922484989.9U CN201922484989U CN211507496U CN 211507496 U CN211507496 U CN 211507496U CN 201922484989 U CN201922484989 U CN 201922484989U CN 211507496 U CN211507496 U CN 211507496U
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- bottom plate
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- mounting panel
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- 239000012634 fragment Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims 4
- 238000010276 construction Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
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Abstract
The utility model provides a protection interlocking device for isolator, including mounting panel, bottom plate, lifting plate, control lever, round pin axle and spring return mechanism. The bottom plate is used for being connected with the isolating switch, and the mounting panel is correspondingly arranged above the bottom plate and in parallel with the bottom plate. The lifting plate is fixed in the middle of the mounting plate. The control rods are two, the middle parts of the control rods are fixedly connected with the end parts of the mounting plates, and the bottom parts of the control rods penetrate through the bottom plate and can move up and down along the bottom plate. And the top of the control rod is provided with a protection plate corresponding to the isolating switch. The top of the pin shaft is fixed on the mounting plate, and the bottom of the pin shaft penetrates through the bottom plate and can move up and down along the bottom plate. The utility model provides a protection interlocking device for isolator replaces hose construction before with hard interlocking device, can still keep good stability under high temperature environment, refuses the potential safety hazard, guarantees staff's safety.
Description
The technical field is as follows:
the utility model relates to a looped netowrk cabinet technical field, concretely relates to a protection interlocking device for looped netowrk cabinet isolator.
Background art:
the ring main unit is an electrical device in which a group of high-voltage switch devices are arranged in a metal or nonmetal insulating cabinet body or are made into an assembled interval ring main power supply unit, and has the advantages of simple structure, small size, low price, capability of improving power supply parameters and performance, power supply safety and the like. The looped netowrk cabinet belongs to the high tension apparatus switch, needs carry out fine control to the divide-shut brake order of isolator and circuit breaker, when the maintainer maintains the looped netowrk cabinet inside, the isolator is equipped with interlocking protector outward, blocks in front of isolator's control shaft, makes it can not operated by random. The existing protection mechanism is of a hose interlocking structure, is easy to block due to thermal expansion, and has poor stability and great potential safety hazard.
The utility model has the following contents:
the utility model aims at prior art's defect, provide one kind and can solve a protection interlocking device for isolator of above-mentioned problem.
Realize the utility model discloses the technical scheme of purpose is: a protection interlocking mechanism for an isolating switch comprises a mounting plate, a bottom plate, a lifting plate, a control rod, a pin shaft and a spring resetting mechanism. The bottom plate is used for being connected with the isolating switch, and the mounting panel is correspondingly arranged above the bottom plate and in parallel with the bottom plate. The lifting plate is fixed in the middle of the mounting plate. The control rod is provided with two control rods, the middle parts of the two control rods are fixedly connected with the end parts of the mounting plates, the bottom of the two control rods penetrates through the bottom plate and can move up and down along the bottom plate, and the bottom of each control rod is provided with a limiting block for preventing the control rod from falling off from the bottom plate. And the top of the two or one control rod is provided with a protection plate corresponding to the isolating switch. The top of the pin shaft is fixed on the mounting plate, and the bottom of the pin shaft penetrates through the bottom plate and can move up and down along the bottom plate.
The spring resetting mechanism comprises a fixing part and an elastic sheet, the fixing part is fixed at the bottom end of the bottom plate, the elastic sheet is correspondingly arranged below the pin shaft and is in sliding connection with the fixing part, and the elastic sheet can slide back and forth along the fixing part so as to be connected with or separated from the pin shaft.
Furthermore, the fixing portion is provided with a through groove for the elastic sheet to pass through, a limiting plate is arranged in the middle of the elastic sheet, and the limiting plate is connected with the reset spring part.
Furthermore, the bottom plate comprises a support plate and a connecting plate which are vertically connected, the connecting plate is detachably connected with the isolating switch, and a threaded connecting hole is formed in the connecting plate.
Furthermore, the bottom plate is provided with a first through hole matched with the control rod, and the bottom of the control rod penetrates through the first through hole and can move along the bottom plate through the first through hole.
Furthermore, a second through hole matched with the pin shaft is formed in the bottom plate, and the bottom of the control rod penetrates through the second through hole and can move along the bottom plate through the second through hole.
The utility model discloses a protection interlocking device for isolator's beneficial effect is:
the utility model provides a protection interlocking device for isolator, protection mechanism is used for realizing the protection to isolator with the cooperation of looped netowrk cabinet lower door, and the cooperation is stable between the two. The utility model provides a hose construction before protection machanism replaces with hard interlocking mechanism can still keep good stability under high temperature environment, refuses the potential safety hazard, guarantees staff's safety.
Description of the drawings:
figure 1 is a schematic structural diagram of the present invention,
figure 2 is a schematic view of the structure of the base plate,
fig. 3 is a schematic structural view of the pin.
In the figure, 1 mounting panel, 2 lifting plate, 3 protection plates, 4 round pin axles, 5 shell fragments, 51 limiting plates, 6 fixed parts, 7 control rods, 8 spacing parts, 9 bottom plates, 91 connecting plates, 92 threaded connection holes, 93 support plates, 94 first through holes, 95 second through holes.
The specific implementation mode is as follows:
the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.
See fig. 1, a protection interlocking mechanism for an isolating switch, which is used for cooperating with a lower door of a ring main unit to realize the protection of the isolating switch.
The protection interlocking mechanism comprises a mounting plate 1, a bottom plate 9, a lifting plate 2, a control rod 7, a pin shaft 4 and a spring return mechanism. The bottom plate 9 is used for connecting with a disconnecting switch. Specifically, the bottom plate comprises a support plate 93 and a connecting plate 91 which are vertically connected, the connecting plate 91 is used for being detachably connected with the isolating switch, and a threaded connecting hole 92 is formed in the connecting plate 91.
The mounting plate 1 is correspondingly arranged above the bottom plate 9 and is parallel to the bottom plate 9. The lifting plate 2 is fixed in the middle of the mounting plate 1, the control rod 7 is provided with two parts, the middle part of the control rod is fixedly connected with the end part of the mounting plate 1, the bottom of the control rod is connected with the bottom plate 9, the control rod can be pulled along the bottom plate 9 to move up and down, and the bottom of the control rod 7 is provided with a limiting block 8 which prevents the control rod from falling off from the bottom plate 9. Specifically, the bottom plate 9 is provided with a first through hole 94 matched with the control rod 7, and the bottom of the control rod 7 passes through the first through hole 94 and can move along the bottom plate 9 through the first through hole 94. And the top of the two or one control rod 7 is provided with a protection plate 3 corresponding to the isolating switch.
The top of the pin shaft 4 is fixed on the mounting plate 1, and the bottom of the pin shaft passes through the bottom plate 9 and can move up and down along the bottom plate 9. Specifically, a second through hole 95 matched with the pin shaft 4 is formed in the bottom plate 9, and the bottom of the control rod penetrates through the second through hole 95 and can move along the bottom plate 9 through the second through hole 95.
The spring resetting mechanism comprises a fixing part 6 and an elastic sheet 5, the fixing part 6 is fixed at the bottom end of the bottom plate 9, the elastic sheet 5 is correspondingly arranged below the pin shaft 4 and is in sliding connection with the fixing part 6, and the elastic sheet 5 can slide back and forth along the fixing part 6 to be connected with or separated from the pin shaft 4.
Specifically, the fixing portion 6 is provided with a through groove for the elastic sheet 5 to pass through, a limiting plate 51 is arranged in the middle of the elastic sheet 5, and the limiting plate 51 is connected with a reset spring piece. Limiting plate 51 and the spring part that resets are connected and can have multiple connected mode, for prior art, for example can set up the spring part that resets of limiting plate 51 between limiting plate 51 and isolator shell, also can set up the spring part that resets of limiting plate 51 at the bottom of bottom plate 9.
The utility model discloses at the during operation, lifting plate 2 up promotes the certain distance to stopper 8 and is blocked by the bottom plate, and guard plate 3 shifts up to isolator's one side along with control lever 7 this moment, blocks control mechanism's action bars, makes it can not operated at will, takes out the looped netowrk cabinet lower door, and the spring part that resets drives the shell fragment and pops out and hold the round pin axle, makes guard plate 13 keep blocking the state of action bars. When the lower door is connected, the lower door props against the limiting plate 51, the elastic sheet 5 is driven to slide inwards along the fixing part 6, the pin shaft 4 is separated from the elastic sheet 5, the control rod 7 on the mounting plate 1 is driven to move downwards, and then the protecting plate 3 moves downwards, so that the control mechanism of the isolating switch is in an adjustable state.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A protection interlocking mechanism for a disconnecting switch is characterized in that: including mounting panel (1), bottom plate (9), lifting plate (2), control lever (7), round pin axle (4) and spring return, bottom plate (9) are used for being connected with isolator, mounting panel (1) correspond to be established the top of bottom plate (9) and with bottom plate (9) parallel arrangement, lifting plate (2) are fixed mounting panel (1) middle part, control lever (7) are equipped with two, its middle part with the tip fixed connection of mounting panel (1), the bottom passes bottom plate (9), and can follow bottom plate (9) reciprocate, just control lever (7) bottom has stopper (8) that prevents it from droing from bottom plate (9), the top of two or a control lever (7) is equipped with guard plate (3) that correspond with isolator, round pin axle (4) top is fixed on mounting panel (1), the bottom passes bottom plate (9) to can follow bottom plate (9) reciprocate, spring return mechanism includes fixed part (6) and shell fragment (5), fixed part (6) are fixed the bottom of bottom plate (9), shell fragment (5) correspond establish round pin axle (4) below and with fixed part (6) sliding connection, thereby shell fragment (5) can follow fixed part (6) slide from beginning to end with round pin axle (4) are connected or break away from.
2. The protective interlock mechanism for a disconnector of claim 1, wherein: the fixing part (6) is provided with a through groove for the elastic sheet (5) to pass through, the middle part of the elastic sheet (5) is provided with a limiting plate (51), and the limiting plate (51) is connected with a reset spring part.
3. The protective interlock mechanism for a disconnector of claim 1, wherein: the bottom plate comprises a support plate (93) and a connecting plate (91) which are vertically connected, the connecting plate (91) is detachably connected with the isolating switch, and a threaded connecting hole (92) is formed in the connecting plate.
4. The protective interlock mechanism for a disconnector of claim 1, wherein: the bottom plate (9) is provided with a first through hole (94) matched with the control rod (7), and the bottom of the control rod (7) penetrates through the first through hole (94) and can move along the bottom plate (9) through the first through hole (94).
5. The protective interlock mechanism for a disconnector of claim 1, wherein: the bottom plate (9) is provided with a second through hole (95) matched with the pin shaft (4), the bottom of the control rod penetrates through the second through hole (95), and the control rod can move along the bottom plate (9) through the second through hole (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484989.9U CN211507496U (en) | 2019-12-31 | 2019-12-31 | Protection interlocking mechanism for isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484989.9U CN211507496U (en) | 2019-12-31 | 2019-12-31 | Protection interlocking mechanism for isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211507496U true CN211507496U (en) | 2020-09-15 |
Family
ID=72397837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922484989.9U Active CN211507496U (en) | 2019-12-31 | 2019-12-31 | Protection interlocking mechanism for isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211507496U (en) |
-
2019
- 2019-12-31 CN CN201922484989.9U patent/CN211507496U/en active Active
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