CN210628169U - Three-phase outdoor isolating switch with grounding and locking functions - Google Patents
Three-phase outdoor isolating switch with grounding and locking functions Download PDFInfo
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- CN210628169U CN210628169U CN201922183871.2U CN201922183871U CN210628169U CN 210628169 U CN210628169 U CN 210628169U CN 201922183871 U CN201922183871 U CN 201922183871U CN 210628169 U CN210628169 U CN 210628169U
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- earthing
- switch
- isolating
- shaft
- grounding
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Abstract
The utility model relates to a three-phase takes ground and outdoor isolator of shutting, including isolator, earthing switch and chassis, set up separation axle and earthing shaft that can rotate on the chassis, keep apart deciliter handle and keep apart the hub connection and drive isolator and make the motion of closing or dividing, the earthing operation handle is connected with the earthing shaft and is driven earthing switch and make the motion of closing or dividing; an isolating switch locking device is arranged on the left side of the underframe and can lock the isolating switch when the grounding switch is closed; the right side of chassis sets up earthing switch locking device, earthing switch locking device can pin earthing switch when isolator closes. The utility model discloses keep apart and ground connection operates respectively, and three-phase synchronization moves, keeps apart operation process and ground connection operation process independent respectively, and has the blocking function, ensures to take place to close the earthing switch with electricity and takes the maloperation phenomenon of earthing switch-on to take place.
Description
Technical Field
The utility model relates to an outdoor isolator of three-phase area ground connection and shutting belongs to high-pressure AC equipment technical field.
Background
Outdoor high voltage distribution switches are generally arranged on poles, requiring the installation of disconnectors, due to the need for safety maintenance, in a range of clear visible disconnection points. Common isolating switches in the medium-voltage field are similar products such as GW1-12, GW9-12 and the like, and have a single-phase mode and a three-phase synchronous action mode, wherein the single-phase mode needs three phases to be respectively operated, the switches are positioned on a high rod, a long insulating rod needs to be used for operation, time and labor are wasted, and the three-phase synchronous action mode can simultaneously operate the three phases. And a product with three-phase synchronous action and grounding is also produced in the market, the opening process of the grounding switch is synchronously carried out when the disconnecting switch is switched on, the closing process of the grounding switch is synchronously carried out when the opening operation is isolated, but the linkage process does not meet the requirement of the operation regulation in a power supply company. The circuit breaker is characterized by further comprising a disconnecting switch integrated with the circuit breaker, wherein the disconnecting switch is supported by the circuit breaker body and has a locking function with the circuit breaker, but the function of safe grounding cannot be achieved.
Disclosure of Invention
An object of the utility model is to overcome the not enough of existence among the prior art, provide an outdoor isolator of three-phase area ground connection and shutting, its isolation and ground connection operate respectively, and the three-phase synchronization action, isolation operation process and ground connection operation process are independent respectively, and have the shutting function, ensure can not take place to close the earthing switch-on with electricity and take the maloperation phenomenon of earthing switch-on.
According to the utility model provides a technical scheme: a three-phase outdoor isolating switch with earthing and locking comprises an isolating switch, an earthing switch and a bottom frame, wherein a rotatable isolating shaft and an earthing shaft are arranged on the bottom frame; an isolating switch locking device is arranged on the left side of the underframe and can lock the isolating switch when the grounding switch is closed; the right side of chassis sets up earthing switch locking device, earthing switch locking device can pin earthing switch when isolator closes.
Furthermore, the isolating switch locking device comprises an isolating fan-shaped plate, a connecting lever and an interlocking rod, the connecting lever is installed on the grounding shaft, the interlocking rod is connected to the connecting lever, the isolating fan-shaped plate is installed on the isolating shaft, and the interlocking rod can press the isolating fan-shaped plate under the driving of the grounding shaft.
Further, a stop lever for pressing the partition sector plate is provided on the interlock lever.
Furthermore, the grounding switch locking device comprises a locking plate, a locking plate handle and a grounding sector plate, wherein the grounding sector plate is installed on the grounding shaft, and the locking plate handle can drive the locking plate to press the grounding sector plate.
Further, the locking plate is of a dovetail type, and a notch used for clamping the grounding sector plate is formed in the upper end portion of the locking plate.
Compared with the prior art, the utility model, have following advantage:
the utility model relates to an outdoor isolator who accords with the operation regulation requirement, its isolation is separated, combined floodgate operation and the branch of ground connection, combined floodgate operation mutual independence, and the shutting has again been interlocked each other, has both satisfied the demand of safe ground connection, has avoided the emergence of maloperation again.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a side view of the shaft of the present invention.
Fig. 3 is a side view of the positioning shaft of the present invention.
Fig. 4 is a schematic view of the locking position of the present invention.
Fig. 5 is a schematic view of the unlocking position of the present invention.
Description of reference numerals: 1-isolation split-combined handle, 2-isolation sector plate, 3-crank arm, 4-interlocking rod, 5-grounding shaft, 6-isolation shaft, 7-underframe, 8-grounding sector plate, 9-locking plate, 10-grounding operation handle, 11-locking plate handle, 12-isolation switch, 13-grounding switch, 14-isolation switch locking device, 15-grounding switch locking device, 4.1-stop rod and 9.1-notch.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, a three-phase outdoor isolating switch with grounding and locking functions comprises an isolating switch 12, a grounding switch 13 and a chassis 7, wherein the chassis 7 is provided with a rotatable isolating shaft 6 and a grounding shaft 5, an isolating and separating handle 1 is connected with the isolating shaft 6 to drive the isolating switch 12 to move in a closing or separating mode, and a grounding operating handle 10 is connected with the grounding shaft 5 to drive the grounding switch 13 to move in the closing or separating mode; an isolating switch locking device 14 is arranged on the left side of the underframe 7, and the isolating switch locking device 14 can lock the isolating switch 12 when the grounding switch 13 is closed; and the right side of the underframe 7 is provided with an earthing switch locking device 15, and the earthing switch locking device 15 can lock the earthing switch 13 when the isolating switch is closed.
The main conductive member is turned on and off by the reciprocal rotation of the isolation shaft 6, the force of the reciprocal rotation is derived from the alternate switching of the isolation switching lever 1 at the switching position, and the ground conductive member is turned on and off by the reciprocal rotation of the ground shaft 5, the force of the reciprocal rotation is derived from the ground operation lever 10.
The isolating switch locking device 14 comprises an isolating sector plate 2, a crank arm 3 and an interlocking rod 4, the crank arm 3 is installed on the grounding shaft 5, the interlocking rod 4 is connected to the crank arm 3, the isolating sector plate 2 is installed on the isolating shaft 6, and the interlocking rod 4 can press the isolating sector plate 2 under the driving of the grounding shaft 5.
The interlocking lever 4 is provided with a stop lever 4.1 for pressing the isolating sector plate 2.
The grounding switch locking device 15 comprises a locking plate 9, a locking plate handle 11 and a grounding sector plate 8, wherein the grounding sector plate 8 is installed on the grounding shaft 5, and the locking plate handle 11 can drive the locking plate 9 to press the grounding sector plate 8.
The locking plate 9 is of a dovetail type, and the upper end part of the locking plate 9 is provided with a notch 9.1 for clamping the grounding sector plate 8.
The isolation sector plate 2, the crank arm 3, the interlocking rod 4, the grounding sector plate 8, the main electric conduction component and the grounding conductor are prevented from being simultaneously communicated in the reciprocating rotation of the grounding shaft 5 and the isolation shaft 6, and the detailed description is shown in the attached figures 4 and 5. When the main conductive component is switched on during operation, the locking plate handle 11 is pulled down to drive the locking plate 9 to lock the switch in an operation state, and at the moment, the locking of the grounding shaft cannot be operated.
It is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (5)
1. A three-phase outdoor isolating switch with grounding and locking functions comprises an isolating switch (12), an earthing switch (13) and a chassis (7), and is characterized in that the chassis (7) is provided with a rotatable isolating shaft (6) and an earthing shaft (5), an isolating and separating handle (1) is connected with the isolating shaft (6) to drive the isolating switch (12) to move in a combining or separating mode, and an earthing operating handle (10) is connected with the earthing shaft (5) to drive the earthing switch (13) to move in a combining or separating mode; an isolating switch locking device (14) is arranged on the left side of the underframe (7), and the isolating switch locking device (14) can lock the isolating switch (12) when the grounding switch (13) is closed; the right side of chassis (7) sets up earthing switch locking device (15), earthing switch locking device (15) can lock earthing switch (13) when isolator closes.
2. An outdoor three-phase isolating switch with earthing and locking functions as claimed in claim 1, characterized in that the isolating switch locking device (14) comprises an isolating sector plate (2), a crank arm (3) and an interlocking rod (4), the crank arm (3) is mounted on the earthing shaft (5), the interlocking rod (4) is connected to the crank arm (3), the isolating sector plate (2) is mounted on the isolating shaft (6), and the interlocking rod (4) can press the isolating sector plate (2) under the driving of the earthing shaft (5).
3. A three-phase outdoor disconnector with earthing and locking according to claim 2, characterized in that the blocking lever (4) is provided with a catch (4.1) for pressing the isolating sector plates (2).
4. The three-phase outdoor disconnector with earthing and locking according to claim 1, characterized in that the earthing switch locking device (15) comprises a locking plate (9), a locking plate handle (11) and an earthing sector plate (8), the earthing sector plate (8) is mounted on the earthing shaft (5), and the locking plate handle (11) can drive the locking plate (9) to press the earthing sector plate (8).
5. Three-phase outdoor disconnector with earthing and blocking according to claim 4, characterized in that the blocking plate (9) is of the dovetail type, the upper end of the blocking plate (9) being provided with a notch (9.1) for catching the earthing sector plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183871.2U CN210628169U (en) | 2019-12-09 | 2019-12-09 | Three-phase outdoor isolating switch with grounding and locking functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922183871.2U CN210628169U (en) | 2019-12-09 | 2019-12-09 | Three-phase outdoor isolating switch with grounding and locking functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210628169U true CN210628169U (en) | 2020-05-26 |
Family
ID=70763873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922183871.2U Active CN210628169U (en) | 2019-12-09 | 2019-12-09 | Three-phase outdoor isolating switch with grounding and locking functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210628169U (en) |
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2019
- 2019-12-09 CN CN201922183871.2U patent/CN210628169U/en active Active
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