CN213242369U

CN213242369U - Novel outdoor high-voltage isolating switch

Info

Publication number: CN213242369U
Application number: CN202022407411.6U
Authority: CN
Inventors: 施秀明; 张新杰
Original assignee: Hainan Jihe Power Equipment Installation Co ltd
Current assignee: Hainan Jihe Power Equipment Installation Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-05-18
Anticipated expiration: 2030-10-26

Abstract

The utility model relates to the field of high-voltage isolating switch equipment, and discloses a novel outdoor high-voltage isolating switch, which comprises a switch device, wherein the switch device comprises a channel steel, two insulators and a rotating frame, connecting grooves are respectively arranged at the middle parts of the front and the back ends of the upper surface of the channel steel, the upper surfaces of the two insulators are respectively provided with two line outgoing plates, the middle part of the upper surface of the channel steel is provided with a separating device, the upper surfaces of the two line outgoing plates are respectively provided with a fixing screw, the middle parts of the two line outgoing plates are respectively and fixedly connected with the upper ends of the two insulators through the fixing screws, when a line disorder driving device is not enough to drive a telescopic rod to stretch, an operator can manually rotate a supporting rod through an insulated round rod to enable the supporting rod to be in a vertical state until the supporting rod is contacted with a line incoming plate, at the moment, the two round, the two separation modes are suitable for different conditions, and the applicability and the safety of the device are improved.

Description

Novel outdoor high-voltage isolating switch

Technical Field

The utility model relates to a high voltage isolator equipment field especially relates to a novel outdoor high voltage isolator.

Background

The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching the line in the case of a voltage-loaded train of high-voltage equipment. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely the high-voltage electrical appliance and the device do not have the arc extinguishing function; the device is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of insulating struts, each voltage class is provided with optional equipment, a conductive part comprises a copper plate bent into a right angle to form a static contact, and one end with a hole can be connected with a bus through a screw; the other end is shorter, when the switch is switched on, it is contacted with moving blade (moving contact), and two copper plates are formed into contact strip, also called moving contact, and can be rotated about shaft by a certain angle, and when the switch is switched on, it can be used for holding static contact. A clamping spring is arranged between the two copper plates to adjust the contact pressure between the moving contact and the static contact, and simultaneously, when currents in the same direction flow through the two copper plates, the two copper plates generate mutually attracted electromotive force, so that the contact pressure is increased, and the operation reliability is improved. Install galvanized steel sheet at contact strip both ends and call the magnetic lock, it guarantees when flowing the short-circuit fault current, the strength of the inter attraction that produces behind the magnetic lock magnetization, strengthens the contact pressure of contact to improve isolator's action, thermal stability, common high-voltage isolator separation only has a control mode, difficult timely separation when breaking down, consequently propose a novel outdoor high-voltage isolator, provide the separation mode of electronic and manual mode, hoisting device suitability.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides a novel outdoor high-voltage isolating switch.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, a novel outdoor high voltage isolator, including switching device, switching device includes channel-section steel, insulator and revolving rack, both ends mid portion all is provided with the spread groove around the upper surface of channel-section steel, the insulator is totally two, two the upper surface of insulator all is provided with the outlet plate, the upper surface mid portion of channel-section steel is provided with separator, two the upper surface of outlet plate all is provided with set screw, two the mid portion of outlet plate passes through set screw fixed connection with the upper end of two insulators respectively.

Preferably, the upper surface that is located the front end the outlet plate is provided with the incoming line board, the lower surface of incoming line board and the upper surface rear end fixed connection who is located the outlet plate of front end are located the rear end the left end of the upper surface front end of outlet plate is fixed and is provided with the limiting plate, the revolving rack sets up between two outlet plates.

Preferably, the rear end of revolving rack is articulated with the limiting plate, the front end of revolving rack is provided with contact spring, the fixed locking device that is provided with in mid portion of revolving rack, be located the front end the right surface of outlet plate is provided with the round bar, the left surface of round bar and the rear end fixed connection of the right surface of outlet plate.

Preferably, the separating device comprises a driving device, a supporting rod and a telescopic rod, and the rear end of the telescopic rod penetrates through the middle part of the front surface of the driving device and is fixedly connected with an electric device in the driving device.

Preferably, the lower end of the supporting rod is provided with a hinged block, the upper end of the hinged block is hinged to the middle of the lower surface of the supporting rod, and the lower surface of the hinged block is fixedly connected with the upper surface of the channel steel.

Preferably, the middle part of the right surface of the support rod is fixedly provided with a similar round rod, and the lower surface of the driving device is fixedly connected with the middle part of the upper surface of the channel steel.

Advantageous effects

The utility model provides a novel outdoor high voltage isolator. The method has the following beneficial effects:

(1) this novel outdoor high voltage isolator, the flexible power of energy storage supply telescopic link in the drive arrangement, make operating personnel can the remote control telescopic link stretch out and draw back and promote the bracing piece lower extreme and make it rotate the effect that reaches the switch, when circuit malfunction drive arrangement is not enough to drive the telescopic link and stretch out and draw back, operating personnel can manually rotate the bracing piece through insulating round bar and make it become vertical state until the contact advances the line board, can utilize the rope circle to tie up two round bars together and reach the separation effect this moment, compare common outdoor high voltage isolator, two kinds of separation modes are applicable to different circumstances, the suitability and the security of improvement device.

(2) This novel outdoor high voltage isolator, separator set up in the below space of revolving rack, do not occupy switching device's exterior space, do not influence the installation and the use of the other normal part of isolator, further promote adaptability.

Drawings

Fig. 1 is a schematic view of the overall structure of the outdoor high-voltage isolating switch of the utility model;

fig. 2 is a schematic structural diagram of the switching device of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the separating apparatus of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

Illustration of the drawings:

1. a switching device; 2. a separation device; 11. channel steel; 12. connecting grooves; 13. a contact spring; 14. a locking device; 15. a limiting plate; 16. an insulator; 17. rotating the frame; 18. a wire inlet plate; 19. a wire outlet plate; 110. a round bar; 111. a set screw; 21. a drive device; 22. a support bar; 23. a telescopic rod; 25. a hinged block.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): a novel outdoor high-voltage isolating switch is disclosed, as shown in figures 1-4, comprising a switch device 1, wherein the switch device 1 comprises a channel steel 11, insulators 16 and a rotating frame 17, connecting grooves 12 are respectively arranged at the middle parts of the front and rear ends of the upper surface of the channel steel 11, the number of the insulators 16 is two, wire outgoing plates 19 are respectively arranged on the upper surfaces of the two insulators 16, a separating device 2 is arranged at the middle part of the upper surface of the channel steel 11, the separating device 2 comprises a driving device 21, a supporting rod 22 and an expansion rod 23, the rear end of the expansion rod 23 penetrates through the middle part of the front surface of the driving device 21 and is fixedly connected with an electric device inside the driving device 21, a hinge block 25 is arranged at the lower end of the supporting rod 22, the upper end of the hinge block 25 is hinged with the middle part of the lower surface of the supporting rod 22, the lower surface of the, the middle parts of the two outlet plates 19 are respectively fixedly connected with the upper ends of the two insulators 16 through fixing screws 111, the upper surface of the outlet plate 19 positioned at the front end is provided with a wire inlet plate 18, the lower surface of the wire inlet plate 18 is fixedly connected with the rear end of the upper surface of the outlet plate 19 positioned at the front end, the left end of the upper surface of the outlet plate 19 positioned at the rear end is fixedly provided with a limit plate 15, a rotating frame 17 is arranged between the two outlet plates 19, the rear end of the rotating frame 17 is hinged with the limit plate 15, the front end of the rotating frame 17 is provided with a contact spring 13, the middle part of the rotating frame 17 is fixedly provided with a locking device 14, the right surface of the outlet plate 19 positioned at the front end is provided with a round rod 110, the left surface of the round rod 110 is fixedly connected with the rear end of the right surface of the outlet plate 19, when a line is normal, energy is stored in the driving device 21 to supply telescopic power of the telescopic rod 23, so that an operator can remotely control the, when line malfunction drive arrangement 21 is not enough to drive telescopic link 23 when flexible, operating personnel can manually rotate bracing piece 22 through insulating round bar 110 and make it become vertical state until contact incoming line board 18, can utilize the becket to tie up two round bars 110 and reach the separation effect together this moment, compare common outdoor high-voltage isolator, two kinds of separation modes are applicable to the different circumstances, improve the suitability and the security of device, the fixed same round bar 110 that is provided with of mid portion on the right surface of bracing piece 22, separator 2 sets up in the below space of revolving rack 17, do not occupy switchgear 1's exterior space, do not influence the installation and the use of the other normal part of isolator, further promote the adaptability, drive arrangement 21 lower surface and channel-section steel 11's upper surface mid portion fixed connection.

The utility model discloses a theory of operation:

when using, when the circuit is normal when, the flexible power of energy storage supply telescopic link 23 in the drive arrangement 21, make operating personnel can remote control telescopic link 23 stretch out and draw back and promote bracing piece 22 lower extreme and make its effect that rotates and reach the switch, when circuit abnormality drive arrangement 21 is not enough drive telescopic link 23 is flexible, operating personnel can manually rotate bracing piece 22 through insulating round bar 110 and make it become vertical state until contact line inlet plate 18, can utilize the becket to tie up two round bars 110 together and reach the separation effect this moment, compare common outdoor high voltage isolator, two kinds of separation modes are applicable to the different circumstances, improve the suitability and the security of device.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above-described embodiments, and many modifications are possible. Any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. A novel outdoor high-voltage isolating switch comprises a switch device (1), and is characterized in that: switch device (1) includes channel-section steel (11), insulator (16) and revolving rack (17), both ends mid portion all is provided with spread groove (12) around the upper surface of channel-section steel (11), insulator (16) are two altogether the upper surface of insulator (16) all is provided with outlet plate (19), the upper surface mid portion of channel-section steel (11) is provided with separator (2), two the upper surface of outlet plate (19) all is provided with set screw (111), two the mid portion of outlet plate (19) passes through set screw (111) fixed connection with the upper end of two insulators (16) respectively.

2. The novel outdoor high-voltage isolating switch as claimed in claim 1, wherein: be located the front end the upper surface of outlet plate (19) is provided with inlet plate (18), the lower surface of inlet plate (18) and the upper surface rear end fixed connection who is located the outlet plate (19) of front end are located the rear end the left end of the upper surface front end of outlet plate (19) is fixed and is provided with limiting plate (15), swivel bracket (17) set up between two outlet plate (19).

3. The novel outdoor high-voltage isolating switch as claimed in claim 2, wherein: the rear end of revolving rack (17) is articulated with limiting plate (15), the front end of revolving rack (17) is provided with contact spring (13), the fixed latch device (14) that is provided with of mid portion of revolving rack (17), be located the front end the right surface of outlet plate (19) is provided with round bar (110), the left surface of round bar (110) and the rear end fixed connection of the right surface of outlet plate (19).

4. The novel outdoor high-voltage isolating switch as claimed in claim 1, wherein: the separating device (2) comprises a driving device (21), a supporting rod (22) and a telescopic rod (23), wherein the rear end of the telescopic rod (23) penetrates through the middle part of the front surface of the driving device (21) and is fixedly connected with an electric device inside the driving device (21).

5. The novel outdoor high-voltage isolating switch as claimed in claim 4, wherein: the lower extreme of bracing piece (22) is provided with articulated piece (25), the upper end of articulated piece (25) is articulated with the mid portion of the lower surface of bracing piece (22), the lower surface and channel-section steel (11) upper surface fixed connection of articulated piece (25).

6. The novel outdoor high-voltage isolating switch as claimed in claim 4, wherein: the middle part of the right surface of the supporting rod (22) is fixedly provided with the same round rod (110), and the lower surface of the driving device (21) is fixedly connected with the middle part of the upper surface of the channel steel (11).