CN215451221U - Outdoor interlocking mechanism - Google Patents
Outdoor interlocking mechanism Download PDFInfo
- Publication number
- CN215451221U CN215451221U CN202121555165.7U CN202121555165U CN215451221U CN 215451221 U CN215451221 U CN 215451221U CN 202121555165 U CN202121555165 U CN 202121555165U CN 215451221 U CN215451221 U CN 215451221U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- outdoor
- switch
- crank arm
- circuit breaker
- 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
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses an outdoor interlocking mechanism which comprises an outdoor high-voltage circuit breaker, an incoming line isolating switch, an interlocking mechanism and a metering mutual inductor, wherein the outdoor high-voltage circuit breaker and the incoming line isolating switch are interlocked through the interlocking mechanism, so that the incoming line isolating switch cannot be subjected to switching-off operation when the outdoor high-voltage circuit breaker is switched on, a safe maintenance fracture is formed between a power supply side and the metering mutual inductor, and the purpose of safe maintenance is achieved.
Description
Technical Field
The utility model belongs to the field of electric power, and particularly relates to an outdoor interlocking mechanism.
Background
The high-voltage charge control outdoor switch is a novel high-voltage charge control switch developed specially for users needing charge control, is a charge control high-voltage switch with the functions of load on-off control, current-carrying short-circuit protection, remote control, monitoring, indication and the like, is indispensable outdoor switch equipment for modern power grid construction, and mainly realizes the control of arrearage brake separation and payment brake closing for the users. Since the switch is an outdoor high-voltage switch, a forced mechanical interlock between the switches needs to be designed to prevent misoperation of personnel, so as to ensure the safety of operation.
In the existing scheme, a high-voltage charge control switch consists of an ZKW32 outdoor high-voltage alternating-current vacuum circuit breaker and a metering transformer, wherein charge control is performed on a user through the composition of the ZKW32 outdoor high-voltage alternating-current vacuum circuit breaker and the metering transformer, the metering transformer mainly realizes metering of power consumption of the user, and the ZKW32 outdoor high-voltage alternating-current vacuum circuit breaker mainly realizes breaking and protection of a user load.
ZKW32 the outdoor high voltage AC vacuum circuit breaker and the metering transformer are both composed of no problem in normal load operation, because the high voltage charge control switch is in the installation process of the circuit, in order to ensure the metering accuracy, the metering transformer must be installed on the power supply side, when the switch is broken, the metering transformer is electrified, but when the circuit needs to be overhauled or maintained, the existing circuit can not be effectively broken, so as to ensure the overhauling safety, however, no matter what on-off state the ZKW32 outdoor high voltage AC vacuum circuit breaker is in, the metering transformer is always electrified, so that the overhauling and maintenance of the equipment can not be carried out.
The interlocking mechanism in the prior art is suitable for relatively stable indoor environment, is mainly used for being configured on a one-way circuit breaker, is applied to a few special occasions, and adopts three-phase high-voltage distribution network equipment in the field of outdoor high-voltage cost control.
Then need an interlock mechanism to carry out the interlocking to ZKW32 outdoor high-pressure AC vacuum circuit breaker and inlet wire isolator for ZKW32 outdoor high-pressure AC vacuum circuit breaker is when closing a floodgate, and inlet wire isolator can not carry out the separating brake operation, has just so prevented the on-load and off-shut isolation switch, has reached the purpose of "high-pressure five prevent".
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model discloses an outdoor interlocking mechanism. According to the utility model, the interlocking mechanism is integrally connected in a circuit, the incoming line pile head of the incoming line isolating switch is connected with the power supply side, when the maintenance is required, the incoming line isolating switch is switched off, and the incoming line of the outdoor interlocking mechanism is reused for preventing misoperation, so that a safe maintenance fracture is formed between the power supply side and the metering transformer, and the purpose of safe maintenance is achieved.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides an outdoor interlocking mechanism, the one end of connecting lever round pin axle fixed connection switch connecting lever, the articulated first link structure that vertically sets up of the other end of switch connecting lever, the articulated one end of connecting rod three that transversely sets up of the other end of first link structure, the articulated one end of the second link structure who transversely sets up of the other end of connecting rod three, the one end of the articulated L type steering wheel of the other end of second link structure, the articulated connecting rod seven that vertically sets up of the other end of L type steering wheel, seven fixed connection connecting rods eight of connecting rod, connect L type locking lever in the eight vertical directions of connecting rod, the middle part hub connection of L type steering wheel is on keeping apart interlocking deflector.
In a further improvement, the crank arm pin shaft is connected with a rotary operation main shaft on the outdoor high-voltage circuit breaker; the L-shaped locking rod is arranged corresponding to the isolation crank arm on the inlet wire isolating switch.
In a further improvement, the outdoor high-voltage circuit breaker is an ZKW32 outdoor high-voltage alternating-current vacuum circuit breaker.
In a further improvement, the interlocking mechanism further comprises a switch interlocking guide plate, and the switch interlocking guide plate is provided with a first opening and a second opening through which the second connecting rod and the fourth connecting rod pass respectively.
In a further improvement, one end of the incoming line isolating switch is connected with a power supply, the other end of the incoming line isolating switch is electrically connected with a metering mutual inductor, and the other end of the metering mutual inductor is electrically connected with an outdoor high-voltage circuit breaker.
The first connecting rod structure comprises a first connecting rod and a second connecting rod which are fixedly connected through a bolt; the second connecting rod structure comprises a fourth connecting rod and a fifth connecting rod, and the fourth connecting rod and the fifth connecting rod are fixedly connected through bolts.
In a further improvement, the five connecting rods are of a Z-shaped structure, and reinforcing ribs are arranged at the turning positions of the five connecting rods.
The utility model has the advantages that:
1. according to the utility model, an obvious safety maintenance fracture is formed between the power supply side and the metering transformer by using the interlocking mechanism, so that the aim of safety maintenance is fulfilled.
Drawings
FIG. 1 is a schematic view of an interlock mechanism according to the present invention;
FIG. 2 is a schematic view of the integrated device connected in a circuit;
FIG. 3 is a schematic view of an unlocking state interlock mechanism;
FIG. 4 is a general schematic view of an unlocked state;
FIG. 5 is a partial schematic view of an unlocked state;
FIG. 6 is a schematic view of the interlock mechanism in the locked state;
FIG. 7 is a schematic view of the latch state in its entirety;
fig. 8 is a partial schematic view of the latched state.
The figure shows that: the device comprises a switch crank arm 1, a crank arm pin shaft 2, a first connecting rod 3, a second connecting rod 4, a switch interlocking guide plate 5, a third connecting rod 6, a fourth connecting rod 7, a fifth connecting rod 8, an L-shaped steering plate 9, an isolation interlocking guide plate 10, a seventh connecting rod 11, an eighth connecting rod 12, an L-shaped locking rod 13, an isolation crank arm 14, an incoming line isolation switch 15, an outdoor high-voltage circuit breaker 16, a metering mutual inductor 17, a reinforcing rib 18, a first opening 19, a second opening 20, an interlocking mechanism 21, a first connecting rod structure 22 and a second connecting rod structure 23.
Detailed Description
The utility model is further explained with reference to the drawings and the embodiments.
Example 1
An outdoor switch interlocking mechanism comprises a transversely-arranged crank arm pin shaft 2 and an inlet wire isolating switch 15, wherein the crank arm pin shaft 2 is fixedly connected with one end of a switch crank arm 1, the other end of the switch crank arm 1 is hinged with a first connecting rod structure 22 longitudinally, the other end of the first connecting rod structure 22 is hinged with one end of a transversely-arranged connecting rod three 6, the other end of the connecting rod three 6 is hinged with one end of a transversely-arranged second connecting rod structure 23, the other end of the second connecting rod structure 23 is hinged with one end of an L-shaped steering plate 9, the other end of the L-shaped steering plate 9 is hinged with a connecting rod seven 11 longitudinally arranged, the connecting rod seven 11 is fixedly connected with a connecting rod eight 12, the connecting rod eight 12 is connected with an L-shaped locking rod 13 in the vertical direction, the middle part of the L-shaped steering plate 9 is coupled on an isolating crank interlocking guide plate 10, an isolating arm 14 is arranged on the inlet wire isolating switch 15, the L-shaped locking lever 13 is used in conjunction with an isolating crank arm 14. The power is connected to inlet wire isolator 15 one end, and the other end electricity is connected with measurement mutual-inductor 17, outdoor high voltage circuit breaker 16 is connected to the measurement mutual-inductor 17 other end electricity.
The first connecting rod structure 22 comprises a first connecting rod 3 and a second connecting rod 4, and the first connecting rod 3 and the second connecting rod 4 are fixedly connected through bolts; the second connecting rod structure 23 comprises a fourth connecting rod 7 and a fifth connecting rod 8, and the fourth connecting rod 7 and the fifth connecting rod 8 are fixedly connected through bolts.
ZKW32 the rotation operation main shaft of the outdoor high voltage AC vacuum circuit breaker 16 is connected with the crank arm pin shaft 2, the rotation of the crank arm pin shaft 2 is driven by the rotation of the rotation operation main shaft, the crank arm pin shaft 2 transmits the driving force to the switch interlocking guide plate 5 through the switch crank arm 1, the connecting rod one 3, the connecting rod two 4 and the connecting rod three 6, the force is reversed at the switch interlocking guide plate 5, the force is transmitted to the L-shaped steering plate 9 through the connecting rod four 7 and the connecting rod five 8, the L-shaped steering plate 9 rotates on the isolation interlocking guide plate 10, so as to push the connecting rod seven 11, the connecting rod eight 12 and the locking rod 13 to move, the locking rod 13 and the isolation crank arm 14 can be in the locking and unlocking state, so as to lock and unlock the inlet wire isolation switch 15, and achieve the purpose of interlocking; and the five connecting rods 8 are provided with reinforcing ribs 18, so that the connecting rods are prevented from being bent to cause damage to the connecting rods in the linkage process.
The working principle of the interlocking mechanism in the locking state is as follows: firstly, the incoming line disconnecting switch 15 is operated to break, then when the rotating operation main shaft of the ZKW32 outdoor high-voltage alternating-current vacuum circuit breaker 16 rotates clockwise, the connecting lever pin shaft 2 is driven to rotate clockwise, so that the switch connecting lever 1 also rotates clockwise, then the transmission of the connecting rod piece finally drives the locking rod 13 to move right, at the moment, the locking rod 13 and the isolation connecting lever 14 are overlapped, the operation of an isolation knife of the incoming line disconnecting switch 15 is limited, the danger caused by misoperation is prevented, and the incoming line disconnecting switch 15 is in a locking state at the moment.
The working principle of the interlocking mechanism in the unlocking state is as follows: ZKW32 when the rotating operation main shaft of the outdoor high-voltage AC vacuum circuit breaker 16 rotates anticlockwise, the crank arm pin shaft 2 is driven to rotate anticlockwise, so that the switch crank arm 1 also rotates anticlockwise, then the transmission of the connecting rod piece finally drives the locking rod 13 to move leftwards, at this time, the locking rod 13 and the isolation crank arm 14 are separated, after the isolation crank arm 14 is separated from the locking rod 13, the inlet wire isolation switch 15 can be operated through the operation handle of the isolation knife, and the inlet wire isolation switch 15 is in an unlocking state.
The outdoor switch interlocking mechanism is used for interlocking ZKW32 outdoor high-voltage alternating-current vacuum circuit breaker 16 and an incoming line isolating switch 15 through an interlocking mechanism 21, when ZKW32 outdoor high-voltage alternating-current vacuum circuit breaker 16 is switched on, the incoming line isolating switch 15 cannot be switched off, and therefore the isolation disconnecting switch is prevented from being switched on and off with load, and the purpose of high-voltage five-prevention is achieved.
While embodiments of the utility model have been disclosed above, it is not limited to the applications set forth in the description and embodiments, which are fully applicable to various fields of endeavor for which the utility model is intended, and further modifications may readily be effected therein by those skilled in the art, without departing from the general concept defined by the claims and their equivalents, which are to be limited not to the specific details shown and described herein.
Claims (7)
1. An outdoor switch interlocking mechanism comprises a crank arm pin shaft (2) which is transversely arranged, and is characterized in that, the crank arm pin shaft (2) is fixedly connected with one end of the switch crank arm (1), the other end of the switch crank arm (1) is hinged with a first connecting rod structure (22) longitudinally, the other end of the first connecting rod structure (22) is hinged with one end of a transversely arranged connecting rod III (6), the other end of the third connecting rod (6) is hinged with one end of a second connecting rod structure (23) which is transversely arranged, the other end of the second connecting rod structure (23) is hinged with one end of an L-shaped steering plate (9), the other end of the L-shaped steering plate (9) is hinged with a connecting rod seven (11) which is longitudinally arranged, the connecting rod seven (11) is fixedly connected with a connecting rod eight (12), the connecting rod eight (12) is connected with an L-shaped locking rod (13) in the vertical direction, the middle part of the L-shaped steering plate (9) is connected to the isolation interlocking guide plate (10) in a shaft mode.
2. An outdoor switch interlock mechanism according to claim 1, characterized in that said crank arm pin (2) is connected to a rotary operating spindle on an outdoor high voltage circuit breaker (16); the L-shaped locking rod (13) is arranged corresponding to an isolation crank arm (14) on the incoming line isolation switch (15).
3. An outdoor switch interlock mechanism according to claim 2, characterized in that said outdoor high voltage circuit breaker (16) is a model ZKW32 outdoor high voltage ac vacuum circuit breaker.
4. An outdoor switch interlock mechanism according to claim 2, further comprising a switch interlock guide plate (5), wherein the switch interlock guide plate (5) is provided with a first opening (19) and a second opening (20) through which the second link (4) and the fourth link (7) pass, respectively.
5. An outdoor switch interlock mechanism according to claim 2, characterized in that the incoming disconnector (15) is electrically connected to a power supply at one end and to a metering transformer (17) at the other end, the metering transformer (17) being electrically connected to an outdoor high voltage circuit breaker (16).
6. An outdoor switch interlock mechanism according to claim 1, characterized in that said first link structure (22) comprises a first link (3) and a second link (4), said first link (3) and said second link (4) being fixedly connected by means of bolts; the second connecting rod structure (23) comprises a fourth connecting rod (7) and a fifth connecting rod (8), and the fourth connecting rod (7) and the fifth connecting rod (8) are fixedly connected through bolts.
7. An outdoor switch interlock as claimed in claim 6, characterized in that said five connecting rods (8) are of zigzag structure, and a turn of said five connecting rods (8) is provided with a reinforcing rib (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121555165.7U CN215451221U (en) | 2021-07-09 | 2021-07-09 | Outdoor interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121555165.7U CN215451221U (en) | 2021-07-09 | 2021-07-09 | Outdoor interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215451221U true CN215451221U (en) | 2022-01-07 |
Family
ID=79715559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121555165.7U Active CN215451221U (en) | 2021-07-09 | 2021-07-09 | Outdoor interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215451221U (en) |
-
2021
- 2021-07-09 CN CN202121555165.7U patent/CN215451221U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201667299U (en) | Mechanical interlocking mechanism of breaker and three-position disconnecting switch | |
| CN106935450A (en) | A kind of breaker tripping mechanism, breaking-closing operating device and its a kind of breaker | |
| CN111508764A (en) | Five-prevention interlocking mechanism for switch cabinet | |
| CN201060788Y (en) | Indoor high-tension vacuum load switch-fuse combined electrical apparatus | |
| CN112509850B (en) | Ground knife electric locking device and circuit interval with same | |
| CN101206969B (en) | High-voltage combined falling switch on pole outdoor | |
| CN215451221U (en) | Outdoor interlocking mechanism | |
| CN201918299U (en) | Permanent magnetic mechanism with isolated distribution-network automation switch | |
| CN201528125U (en) | Interlocking mechanism for armoured central-positioned switch device cabinet door | |
| CN102723222B (en) | Fixed high-voltage switch cabinet interlocking mechanism | |
| CN111508765A (en) | Five-prevention interlocking switch cabinet | |
| CN113394032A (en) | Outdoor interlocking mechanism | |
| CN110391602A (en) | Automatic switch cabinet | |
| CN100565744C (en) | Low-voltage combined type fuse blade switch on outdoor pole | |
| CN211828608U (en) | Five-prevention interlocking mechanism for switch cabinet | |
| CN112909745A (en) | Outdoor intelligent high-voltage alternating current electric energy management control device | |
| CN203607316U (en) | Locking device of disconnector used for high voltage switch cabinet | |
| CN216216610U (en) | Reversible operation fine crusher control device | |
| CN220569599U (en) | Interlocking structure of isolating switch | |
| CN203607282U (en) | Manual interlocking mechanism of locking device of disconnector used for high voltage switch cabinet | |
| CN209168991U (en) | A kind of high-voltage board interrupter and interlocking device for cable vault door | |
| CN217719443U (en) | Safety interlocking mechanism of medium-voltage vacuum circuit breaker | |
| CN108922817A (en) | Earthed system is isolated in traction rectifier transformer | |
| CN217690860U (en) | Program lock device for on-off position of grounding switch | |
| CN212935350U (en) | Cubical switchboard handcart with ground connection interlocking function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee after: Weisheng Energy Technology Co.,Ltd. Address before: 411201 28 Bai Shi Road, Jing Kai District, Xiangtan, Hunan Patentee before: WASION ELECTRIC Co.,Ltd. |