CN219626510U - Back outgoing line type high-voltage ring main unit cable chamber door interlocking device - Google Patents
Back outgoing line type high-voltage ring main unit cable chamber door interlocking device Download PDFInfo
- Publication number
- CN219626510U CN219626510U CN202320884058.1U CN202320884058U CN219626510U CN 219626510 U CN219626510 U CN 219626510U CN 202320884058 U CN202320884058 U CN 202320884058U CN 219626510 U CN219626510 U CN 219626510U
- Authority
- CN
- China
- Prior art keywords
- main unit
- cable chamber
- chamber door
- ring main
- locking plate
- Prior art date
- 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.)
- Active
Links
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a cable chamber door interlocking device of a back outgoing line type high-voltage ring network cabinet, which comprises a ring main unit, wherein a mechanism chamber is arranged at the front end of the ring main unit, an operating mechanism is arranged in the mechanism chamber, the operating mechanism is provided with an isolating switch operating shaft and a grounding switch operating shaft, the rear end of the ring main unit is provided with a cable chamber, the cable chamber is provided with a cable chamber door, a micro switch is arranged at the position, corresponding to the cable chamber door, of the wall surface of the ring main unit, the micro switch is used for detecting whether the cable chamber door is closed, a locking plate is arranged at the position, corresponding to the isolating switch operating shaft and the grounding switch operating shaft, of the operating mechanism, the locking plate is in sliding connection with a shell of the operating mechanism, one side of the operating mechanism is provided with an electromagnetic coil telescopic mechanism, the input end of the electromagnetic coil telescopic mechanism is electrically connected with the micro switch, the output end of the electromagnetic coil telescopic mechanism is provided with a telescopic link, and the outer end of the telescopic link is connected with the locking plate; the utility model adopts the interlocking device to automatically lock, ensures the safety of operators in the cable chamber, and has simple structure and lower cost.
Description
Technical Field
The utility model relates to the technical field of high-voltage ring main units, in particular to a cable chamber door interlocking device of a rear-outgoing high-voltage ring main unit.
Background
At present, the high-voltage ring main unit has been widely applied to power distribution systems. The structural style of the high-voltage ring network cabinet is various, there is back business turn over line formula looped netowrk cabinet at present according to actual demand, and the structural feature of back business turn over line formula high-voltage looped netowrk cabinet is: the operating mechanism is located the front end of looped netowrk cabinet, the cable room is located the rear, the cable in the cable room is qualified for the next round of competitions from the rear end, because cable room and operating mechanism are in looped netowrk cabinet front and back side respectively, and cabinet body length is longer, operating mechanism is longer with the relative distance of cable room, just so there is certain potential safety hazard, it is the operation in the cable room to be possible maintainer, and the staff of front end operating mechanism department is unaware, there is the risk of operation isolator and earthing switch power transmission, in order to avoid the emergence of this kind of security risk, usually rely on exchange each other between the on-the-spot maintainer to ensure safety, but such exchange is unreliable, if not totally still according to safe operation rule operation, still probably take place the contact risk, bring the injury for personnel and equipment.
Disclosure of Invention
The utility model mainly aims to solve the problem of insufficient safety reliability of a rear outgoing line type ring main unit and provides a cable chamber door interlocking device of the rear outgoing line type high-voltage ring main unit.
The specific scheme of the utility model is as follows: the utility model provides a back is qualified for next round of competitions high-voltage ring main unit cable chamber door interlock, includes the looped netowrk cabinet, and the looped netowrk cabinet front end is equipped with the mechanism room, is equipped with operating device in the mechanism room, and operating device is equipped with isolator operating shaft and earthing switch operating shaft, and the rear end of looped netowrk cabinet is equipped with the cable room, and the cable room is equipped with the cable chamber door, the wall of looped netowrk cabinet corresponds cable chamber door department and is equipped with micro-gap switch, micro-gap switch is used for detecting whether the cable chamber door is closed, operating device is last to isolator operating shaft and earthing switch operating shaft department be equipped with a locking plate, locking plate and operating device's casing sliding connection, operating device's one side is equipped with solenoid telescopic machanism, solenoid telescopic machanism's input with the micro-gap switch electricity is connected, and solenoid telescopic machanism's output is equipped with the telescopic link, the telescopic link outer end with the locking plate is connected.
Further, the locking plate is provided with two stopping parts, and the two stopping parts respectively correspond to the interface ends of the disconnecting switch operation shaft and the grounding switch operation shaft.
Further, the micro switch comprises a shell, wherein the shell is fixedly connected with the ring main unit body, a fixed contact and a movable contact are arranged in the shell, the fixed contact is fixed on the inner end surface of the shell, the movable contact is in sliding connection with the shell, the inner end of the movable contact corresponds to the position of the fixed contact, a reset spring is arranged at the inner end of the movable contact, and the reset spring is used for propping the movable contact outwards; the wall surface of the ring main unit is provided with a through hole corresponding to the moving contact.
Further, the isolating switch operating shaft is located below the grounding switch operating shaft, a kidney-shaped hole which is arranged in the vertical direction is formed in the locking plate, and a limiting pin is arranged on the operating mechanism corresponding to the kidney-shaped hole.
Compared with the prior art, the utility model has the following advantages: the interlocking device is adopted for automatic locking, when the cable chamber door is opened, the front end operating mechanism is automatically locked, so that operators cannot operate, the safety of operators in the cable chamber is ensured, the structure is simple, and the cost is low.
Drawings
FIG. 1 is a schematic diagram of the ring main unit of the present utility model;
FIG. 2 is a view in the direction A of FIG. 1;
FIG. 3 is a view B-B of FIG. 2;
FIG. 4 is a schematic view of the position of the operating mechanism and locking plate of the cable chamber door of the present utility model when closed;
FIG. 5 is a schematic view of a cable chamber door open microswitch of the present utility model;
FIG. 6 is a schematic view of the position of the operating mechanism and locking plate of the cable chamber door of the present utility model when opened;
in the figure: 1. a ring main unit; 2. a cable chamber; 3. a mechanism chamber; 4. an operating mechanism; 401. a ground switch operating shaft; 402. isolating the switch operating shaft; 5. a cable compartment door; 6. a micro-switch; 7. a locking plate; 701. waist-shaped holes; 8. an electromagnetic coil telescoping mechanism; 9. and a limiting pin.
Detailed Description
Referring to fig. 1-4, the embodiment is a cable room door interlocking device of a back outgoing line type high-voltage ring network cabinet, which comprises a ring main unit 1, wherein a mechanism room 3 is arranged at the front end of the ring main unit 1, an operating mechanism 4 is arranged in the mechanism room 3, an isolating switch operating shaft 402 and a grounding switch operating shaft 401 are arranged in the operating mechanism 4, a cable room 2 is arranged at the rear end of the ring main unit 1, a cable room door 5 is arranged in the cable room 2, a micro switch 6 is arranged at a position, corresponding to the cable room door 5, of a wall surface of the ring main unit 1, the micro switch 6 is used for detecting whether the cable room door 5 is closed, a locking plate 7 is arranged at the position, corresponding to the isolating switch operating shaft 402 and the grounding switch operating shaft 401, on the operating mechanism 4, a locking plate 7 is in sliding connection with a shell of the operating mechanism 4, a solenoid telescopic mechanism 8 is arranged at one side of the operating mechanism 4, an input end of the solenoid telescopic mechanism 8 is electrically connected with the micro switch 6, a telescopic rod is arranged at the output end of the solenoid telescopic mechanism 8, and the outer end of the telescopic rod is connected with the locking plate 7.
Further, the micro switch 6 comprises a shell, the shell is fixedly connected with the cabinet body of the ring main unit 1, a fixed contact and a moving contact are arranged in the shell, the fixed contact is fixed on the inner end surface of the shell, the moving contact is in sliding connection with the shell, the inner end of the moving contact corresponds to the position of the fixed contact, a reset spring is arranged at the inner end of the moving contact, and the reset spring is used for propping the moving contact outwards; the wall surface of the ring main unit 1 is provided with a through hole corresponding to the moving contact. Further, the disconnecting switch operating shaft 402 is located below the grounding switch operating shaft 401, the locking plate 7 is provided with a kidney-shaped hole 701 arranged along the vertical direction, and the operating mechanism 4 is provided with a limiting pin 9 corresponding to the kidney-shaped hole 701.
Further, the locking plate 7 is provided with two stopping parts, and the two stopping parts respectively correspond to the interface ends of the isolating switch operation shaft 402 and the grounding switch operation shaft 401; when the cable chamber door 5 is in a closed state, the micro switch 6 is pressed down by the cable chamber door 5, the telescopic rod of the electromagnetic coil telescopic mechanism 8 is positioned at the upper end, the locking plate 7 can not shield the grounding switch operating shaft 401 and the isolating switch operating shaft 402, and an operator at the front end of the ring main unit 1 can normally operate the grounding switch operating shaft 401 and the isolating switch operating shaft 402. Referring to fig. 5 and 6, when the cable chamber door 5 is in an open state, the micro switch 6 pops up, correspondingly, the telescopic rod of the electromagnetic coil telescopic mechanism 8 moves downwards, and drives the locking plate 7 to move downwards integrally, and the corresponding stopping parts respectively cover the interface ends of the disconnecting switch operating shaft 402 and the grounding switch operating shaft 401, so that an operator positioned at the front end of the ring main unit 1 cannot operate the disconnecting switch operating shaft 402 and the grounding switch operating shaft 401.
Claims (4)
1. The utility model provides a back is qualified for next round of competitions high tension ring main unit cable room door interlock, includes the looped netowrk cabinet, and the looped netowrk cabinet front end is equipped with the mechanism room, is equipped with operating device in the mechanism room, and operating device is equipped with isolator operating shaft and earthing switch operating shaft, and the rear end of looped netowrk cabinet is equipped with the cable room, and the cable room is equipped with cable room door, characterized by: the wall of the ring main unit is provided with a micro switch corresponding to the cable chamber door, the micro switch is used for detecting whether the cable chamber door is closed, the operating mechanism is provided with a locking plate corresponding to the isolating switch operating shaft and the grounding switch operating shaft, the locking plate is in sliding connection with a shell of the operating mechanism, one side of the operating mechanism is provided with an electromagnetic coil telescopic mechanism, the input end of the electromagnetic coil telescopic mechanism is electrically connected with the micro switch, the output end of the electromagnetic coil telescopic mechanism is provided with a telescopic rod, and the outer end of the telescopic rod is connected with the locking plate.
2. The back outlet type high voltage ring network cabinet cable chamber door interlocking device according to claim 1, wherein: the locking plate is provided with two stop parts, and the two stop parts respectively correspond to the interface ends of the disconnecting switch operation shaft and the grounding switch operation shaft.
3. The back outlet type high voltage ring network cabinet cable chamber door interlocking device according to claim 1, wherein: the micro switch comprises a shell, wherein the shell is fixedly connected with a ring main unit body, a fixed contact and a movable contact are arranged in the shell, the fixed contact is fixed on the inner end surface of the shell, the movable contact is in sliding connection with the shell, the inner end of the movable contact corresponds to the position of the fixed contact, a reset spring is arranged at the inner end of the movable contact, and the reset spring is used for propping the movable contact outwards; the wall surface of the ring main unit is provided with a through hole corresponding to the moving contact.
4. The back outlet type high voltage ring network cabinet cable chamber door interlocking device according to claim 1, wherein: the isolating switch operating shaft is positioned below the grounding switch operating shaft, the locking plate is provided with kidney-shaped holes arranged along the vertical direction, and the operating mechanism is provided with limiting pins corresponding to the kidney-shaped holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320884058.1U CN219626510U (en) | 2023-04-19 | 2023-04-19 | Back outgoing line type high-voltage ring main unit cable chamber door interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320884058.1U CN219626510U (en) | 2023-04-19 | 2023-04-19 | Back outgoing line type high-voltage ring main unit cable chamber door interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219626510U true CN219626510U (en) | 2023-09-01 |
Family
ID=87793975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320884058.1U Active CN219626510U (en) | 2023-04-19 | 2023-04-19 | Back outgoing line type high-voltage ring main unit cable chamber door interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219626510U (en) |
-
2023
- 2023-04-19 CN CN202320884058.1U patent/CN219626510U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104201571A (en) | Anti-misoperation ground protection mechanism for dry type transformer | |
| CN202120782U (en) | Locking device capable of preventing ring main unit live grounding misoperation | |
| CN201466474U (en) | Novel grounding switch operating blocking mechanism for metalclad withdraw switchgear | |
| CN219626510U (en) | Back outgoing line type high-voltage ring main unit cable chamber door interlocking device | |
| CN105932586A (en) | High-voltage switch cabinet | |
| CN105405190A (en) | Electric displaying locking device for electric switch cabinet | |
| CN210404538U (en) | High-voltage demarcation electric energy metering box | |
| CN209169035U (en) | A kind of safe interlocked control switch | |
| CN108281311B (en) | Blocking device for preventing live operation of high-voltage switch cabinet | |
| CN221009634U (en) | Interlocking device for preventing main receiving cabinet of high-voltage switch cabinet from being mistakenly charged at interval | |
| CN112448305A (en) | Outdoor landing high-voltage demarcation electric energy metering box with mechanical interlock | |
| CN205882450U (en) | Multifunctional switch cabinet anti -misoperation lockout device | |
| CN2802806Y (en) | Safety protection mechanism for back door of high-tension switch cubicle | |
| CN102024587B (en) | Hard locking device for high-voltage metering cabinet | |
| CN219626509U (en) | Door locking device of cable chamber door of rear line-in and line-out high-voltage ring main unit | |
| CN205828998U (en) | A kind of fool proof blocking device of grounding trolley and switch cubicle | |
| CN220570054U (en) | Switch cabinet with protection structure | |
| CN220527528U (en) | Locking device of handcart type high-voltage switch complete equipment cabinet door | |
| CN204045945U (en) | For the fool proof ground protection mechanism of dry-type transformer | |
| CN210404539U (en) | Outdoor landing high-voltage demarcation electric energy metering box with mechanical interlock | |
| CN218957571U (en) | Novel five-prevention interlocking mechanism of 10kV inflatable cabinet | |
| CN113436410B (en) | False opening alarm device of high tension switchgear backplate | |
| CN216389114U (en) | 35kV looped netowrk cabinet three-station mechanism shutting lower cabinet door structure | |
| CN220754020U (en) | Put cabinet blocking device and put cabinet in | |
| CN217009905U (en) | Electronic box with safe electric shock prevention structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |