CN220189496U

CN220189496U - PT cabinet switching device

Info

Publication number: CN220189496U
Application number: CN202321805542.7U
Authority: CN
Inventors: 董自刚
Original assignee: Kuyud Electrical Suzhou Co ltd
Current assignee: Kuyud Electrical Suzhou Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2023-12-15
Anticipated expiration: 2033-07-11

Abstract

The utility model discloses a PT cabinet switching device, in particular to the PT cabinet field, which comprises a cabinet, wherein the outer wall of the cabinet is fixedly connected with a disconnecting mechanism, the disconnecting mechanism comprises a handle, a fixed spring, a fixed box, a telescopic box, an insulating head, an insulating pressing plate, a plug, a first fixed plate, a connecting rod, a compression spring, a second fixed plate and a reset spring, the upper end of the fixed spring is fixedly connected with the connecting rod, the upper end of the connecting rod is fixedly connected with the handle, the bottom end of the connecting rod is fixedly connected with the plug, and the inner wall of the fixed box is fixedly connected with the compression spring; according to the utility model, the switch can be disconnected outside the PT cabinet through the disconnecting mechanism, the insulating head is compressed below when the insulating pressing plate is in a switch connection state, then the compression spring in the compressed state can be released to upwards spring the insulating head, and then the upper end of the connecting rod can be pushed up by the insulating head.

Description

PT cabinet switching device

Technical Field

The utility model relates to the field of PT cabinets, in particular to a PT cabinet switching device.

Background

The voltage transformer cabinet adopts a combined structure, different numbers and types of voltage transformer cabinets can be configured according to specific engineering, the whole voltage transformer cabinet adopts a removable metal armor structure, a large-area observation window is assembled on a panel, the running condition of the cabinet can be observed at any time, each PT is provided with an independent trolley, the primary secondary loop of the PT adopts a tap structure, the separation of a primary chamber and a secondary chamber is realized, and a switching device is arranged in the voltage transformer cabinet for power failure and power on/off during use;

by searching, the prior patent (publication number: CN 213366460U) discloses a PT cabinet switching device comprising: the supporting frame is fixedly connected with the mounting frame; the first insulating supporting seat is arranged on the supporting frame, and the switch transmission shaft is rotationally connected with the mounting frame; the isolating switch assembly is arranged on the switch transmission shaft and can rotate a preset angle along the axial direction of the switch transmission shaft; the grounding fixed contact is arranged on the supporting frame, the isolation fixed contact is arranged on the mounting frame, and the fixed end fixed contact is arranged on the first insulating supporting seat; the isolation static contact, the static end static contact and the grounding static contact are respectively arranged along the axial direction of the switch transmission shaft; the switch transmission shaft rotates to drive the isolating switch assembly to be connected with the isolating static contact, the static end static contact and the grounding static contact respectively. The electric field distribution is optimized according to the electrical property characteristics of the dry air and the nitrogen, so that the requirements on the insulation performance of various gases are met, and the SF can be used as ₆ The switch or the environment-friendly switch is used, and the double-break structure is adopted, so that the structural compactness is improved, and the insulating property of the switch device is improved. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model:

the existing PT cabinet switch device is usually powered on and powered off manually when in use, the switch device is respectively used for high-voltage connection and low-voltage connection in the PT cabinet, and accidents easily occur when the switch device is manually powered off manually when short circuit or other faults occur in the high-voltage connection, so that a disconnection mechanism is needed to assist disconnection when the switch device in the PT cabinet is in use;

accordingly, a PT cabinet switching device has been proposed for the above problems.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a PT cabinet switching device, so as to solve the above-mentioned problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PT cabinet switching device, includes the cupboard, the outer wall fixedly connected with disconnect mechanism of cupboard, disconnect mechanism is including handle, fixed spring, fixed box, flexible box, insulating head, insulating clamp plate, top, first fixed plate, connecting rod, compression spring, second fixed plate and reset spring, fixed spring's upper end fixedly connected with connecting rod.

The upper end fixedly connected with handle of connecting rod, the bottom fixedly connected with top of connecting rod, the inner wall fixedly connected with compression spring of fixed box, compression spring's upper end fixedly connected with flexible box, the upper end fixedly connected with insulating head of flexible box, the upper end swing joint of insulating head is connected with insulating clamp plate, the outer wall of insulating clamp plate is through the first fixed plate of pivot fixedly connected with, the inner wall fixedly connected with second fixed plate of first fixed plate, the outer wall fixedly connected with reset spring of second fixed plate.

Preferably, the inside fixedly connected with mounting panel of cupboard, the higher authority fixedly connected with second high-pressure loop bar of mounting panel, the higher authority fixedly connected with first high-pressure loop bar of mounting panel, the upper end of first high-pressure loop bar is through pivot fixedly connected with connecting rod, the higher authority fixedly connected with protection machanism of mounting panel.

Preferably, the connecting rod penetrates through the inside of the cabinet, and the connecting rod moves up and down on a sliding groove in the cabinet.

Preferably, the top of connecting rod bottom sets up in the center pin position between the first fixed plate, and the top is rubber material.

Preferably, the outer wall of the inner wall of the telescopic box is tightly attached to the inner wall of the fixed box, and the fixed box is arranged on the second high-pressure loop bar.

Preferably, the insulating pressing plate is L-shaped, and the inner wall of the bottom end of the insulating pressing plate is fixedly connected with the reset spring.

Preferably, the fixed block is fixedly connected with the mounting plate, the first fixed strip is fixedly connected with the outer wall of the fixed block, the first protection pad is fixedly connected with the inner wall of the first fixed strip, the second fixed strip is fixedly connected with the outer wall of the fixed block, and the second protection pad is fixedly connected with the inner wall of the second fixed strip.

The utility model has the technical effects and advantages that:

1. compared with the prior art, this PT cabinet switching device can carry out the disconnection to the switch outside the PT cabinet through shutdown mechanism, with insulating head compression below when the state of switch connection, then can push down the connecting rod through the handle when needs break, then the top on the connecting rod can push up the bottom at insulating clamp plate, then make the insulating clamp plate of fixed box upper end keep away from the insulating head, then this compression spring just can obtain releasing the insulating head and upwards spring up at compression state, then the insulating head can jack up the connecting rod upper end, thereby can make connecting rod and the disconnection of second high-pressure loop bar, then after releasing the handle, fixed spring can reset handle and connecting rod, thereby drive the top and reset, this mode can carry out the disconnection outside the PT cabinet when breaking down, let staff's safety more.

2. Compared with the prior art, this PT cabinet switching device can protect the connecting rod that pops out through protection machanism, the connecting rod can be quick the downward rotation after the disconnect mechanism pops out the connecting rod, then the connecting rod can rotate in first fixed strip and the second fixed strip, because first fixed strip is by the big open-ended design of low side of upper shed with the second fixed strip, can be when the connecting rod descends stable fix the connecting rod centre gripping, and first protection pad and second protection pad can protect the connecting rod when fixed, avoid the connecting rod to receive too big collision injury when quick removal.

Drawings

Fig. 1 is a cross-sectional view of the present utility model.

Fig. 2 is a schematic structural view of the disconnecting mechanism of the utility model.

Fig. 3 is a schematic diagram of a connection structure between an insulating head and an insulating pressing plate according to the present utility model.

Fig. 4 is a schematic structural view of a protection mechanism of the present utility model.

The reference numerals are: 1. a cabinet; 2. a disconnect mechanism; 3. a mounting plate; 4. a protective mechanism; 5. a connecting rod; 6. a first high pressure loop bar; 7. a second high pressure loop bar; 201. a handle; 202. a fixed spring; 203. a fixed box; 204. a telescopic box; 205. an insulating head; 206. an insulating pressing plate; 207. a plug; 208. a first fixing plate; 209. a connecting rod; 2010. a compression spring; 2011. a second fixing plate; 2012. a return spring; 401. a fixed block; 402. a first fixing strip; 403. a first protective pad; 404. a second fixing strip; 405. and a second protective pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The PT cabinet switching device as shown in fig. 1 to 3 comprises a cabinet 1, wherein a disconnecting mechanism 2 is fixedly connected to the outer wall of the cabinet 1, the disconnecting mechanism 2 comprises a handle 201, a fixing spring 202, a fixing box 203, a telescopic box 204, an insulating head 205, an insulating pressing plate 206, a plug 207, a first fixing plate 208, a connecting rod 209, a compression spring 2010, a second fixing plate 2011 and a return spring 2012, and the upper end of the fixing spring 202 is fixedly connected with the connecting rod 209.

The upper end fixedly connected with handle 201 of connecting rod 209, the bottom fixedly connected with top 207 of connecting rod 209, the inner wall fixedly connected with compression spring 2010 of fixed box 203, compression spring 2010's upper end fixedly connected with flexible box 204, the upper end fixedly connected with insulating head 205 of flexible box 204, the upper end activity laminating of insulating head 205 is connected with insulating clamp plate 206, the outer wall of insulating clamp plate 206 is through pivot fixedly connected with first fixed plate 208, the inner wall fixedly connected with second fixed plate 2011 of first fixed plate 208, the outer wall fixedly connected with reset spring 2012 of second fixed plate 2011.

Wherein: the insulating head 205 is compressed below when the insulating pressing plate 206 is in a switch connection state, then the connecting rod 209 can be pressed downwards through the handle 201 when disconnection is needed, then the top 207 on the connecting rod 209 can be propped against the bottom of the insulating pressing plate 206, then the insulating pressing plate 206 at the upper end of the fixed box 203 is separated from the insulating head 205, then the compressing spring 2010 in the compressed state can be released to push the insulating head 205 upwards, then the insulating head 205 can prop up the upper end of the connecting rod 5, and the connecting rod 5 can be disconnected from the second high-voltage loop bar 7.

Example two

On the basis of the first embodiment, the scheme in the first embodiment is further introduced in detail in combination with the following specific working manner, as shown in fig. 1 to 4, and described in detail below:

as a preferred embodiment, a mounting plate 3 is fixedly connected to the inside of the cabinet 1, a second high-pressure loop bar 7 is fixedly connected to the upper surface of the mounting plate 3, a first high-pressure loop bar 6 is fixedly connected to the upper surface of the mounting plate 3, a connecting rod 5 is fixedly connected to the upper end of the first high-pressure loop bar 6 through a rotating shaft, and a protection mechanism 4 is fixedly connected to the upper surface of the mounting plate 3; further, when in use, one end of the connecting rod 5 is connected with the second high-pressure loop bar 7 to be electrified, and then when in power failure, the disconnecting mechanism 2 can spring the connecting rod 5 connected with the end of the second high-pressure loop bar 7, and then the connecting rod is fixed on the protecting mechanism 4.

As a preferred embodiment, the connecting rod 209 penetrates through the inside of the cabinet 1, and the connecting rod 209 moves up and down on a chute in the cabinet 1; further, the connecting rod 209 moves up and down in the cabinet 1, so as to drive the plug 207 to move up and down.

As a preferred embodiment, a plug 207 at the bottom end of the connecting rod 209 is disposed at the central axis between the first fixing plates 208, and the plug 207 is made of rubber; further, the plug 207 may be pushed to the bottom end of the insulating pressing plate 206 when moving downward, but the plug 207 may perform insulation.

As a preferred embodiment, the outer wall of the inner wall of the telescopic box 204 is tightly attached to the inner wall of the fixed box 203, and the fixed box 203 is mounted on the upper surface of the second high-pressure loop bar 7; further, the telescopic case 204 can be moved inside the fixed case 203.

As a preferred embodiment, the insulating pressing plate 206 is L-shaped, and the inner wall of the bottom end of the insulating pressing plate 206 is fixedly connected with the return spring 2012; further, insulating platen 206 may compress return spring 2012 when moving inward, and return spring 2012 may then return insulating platen 206.

As a preferred embodiment, a fixing block 401 is fixedly connected to the upper surface of the mounting plate 3, a first fixing strip 402 is fixedly connected to the outer wall of the fixing block 401, a first protection pad 403 is fixedly connected to the inner wall of the first fixing strip 402, a second fixing strip 404 is fixedly connected to the outer wall of the fixing block 401, and a second protection pad 405 is fixedly connected to the inner wall of the second fixing strip 404; further, after the breaking mechanism 2 ejects the connecting rod 5, the connecting rod 5 will rapidly rotate downwards, and then the connecting rod 5 will rotate into the first fixing strip 402 and the second fixing strip 404 to clamp and fix the connecting rod 5.

The working process of the utility model is as follows: when the connecting rod 5 is connected with the second high-voltage loop bar 7, the insulating head 205 is compressed below when the insulating pressing plate 206 is in a state of being connected with the second high-voltage loop bar 7, then the connecting rod 209 can be pressed downwards through the handle 201 when the connecting rod is required to be disconnected, the top 207 on the connecting rod 209 can be propped against the bottom of the insulating pressing plate 206, then the insulating pressing plate 206 at the upper end of the fixing box 203 leaves the insulating head 205, then the compression spring 2010 in the compressed state can be released to upwards spring the insulating head 205, then the upper end of the connecting rod 5 is propped up, so that the connecting rod 5 can be disconnected with the second high-voltage loop bar 7, the connecting rod 5 can be rapidly rotated downwards after the connecting rod 5 is sprung up, then the connecting rod 5 can be rotated into the first fixing bar 402 to be fixed in the second fixing bar 404, the first protection pad 403 and the second protection pad 405 can protect the connecting rod 5 when the connecting rod is fixed, then the fixing spring 202 can reset the handle 201 and the connecting rod 209 after the handle 201 is released, the top 207 is reset, the insulating head 205 is in a state of being released, then the insulating head 205 is in an extended state, then the outer wall of the insulating pressing plate 206 can be attached to the outer wall of the upper end of the insulating pressing plate 204 at the moment, then the connecting rod 205 is reset, the upper end of the insulating pressing box 206 can be reset, the insulating pressing device can be reset when the connecting rod 206 is continuously pushed down, the connecting rod 206 is reset, and the insulating device can be reset when the connecting rod 206 is reset, and the upper end is reset, and the insulating device can be kept under next, and the connecting rod is reset.

Finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. PT cabinet switching device, including cupboard (1), its characterized in that: the outer wall of the cabinet (1) is fixedly connected with a disconnecting mechanism (2), the disconnecting mechanism (2) comprises a handle (201), a fixed spring (202), a fixed box (203), a telescopic box (204), an insulating head (205), an insulating pressing plate (206), a plug (207), a first fixed plate (208), a connecting rod (209), a compression spring (2010), a second fixed plate (2011) and a return spring (2012), and the upper end of the fixed spring (202) is fixedly connected with the connecting rod (209);

the utility model discloses a handle, including connecting rod (209), fixed box (203), compression spring (2010) and insulating head (205), upper end fixedly connected with handle (201) of connecting rod (209), bottom fixedly connected with top (207) of connecting rod (209), the inner wall fixedly connected with compression spring (2010), the upper end fixedly connected with flexible box (204) of compression spring (2010), the upper end fixedly connected with insulating head (205) of flexible box (204), the upper end swing joint of insulating head (205) has insulating clamp plate (206), the outer wall of insulating clamp plate (206) is through pivot fixedly connected with first fixed plate (208), the inner wall fixedly connected with second fixed plate (2011) of first fixed plate (208), the outer wall fixedly connected with reset spring (2012) of second fixed plate (2011).

2. The PT cabinet switching apparatus of claim 1, wherein: the novel high-pressure cabinet is characterized in that the mounting plate (3) is fixedly connected to the inside of the cabinet (1), the second high-pressure loop bar (7) is fixedly connected to the upper surface of the mounting plate (3), the first high-pressure loop bar (6) is fixedly connected to the upper surface of the mounting plate (3), the connecting rod (5) is fixedly connected to the upper end of the first high-pressure loop bar (6) through a rotating shaft, and the protection mechanism (4) is fixedly connected to the upper surface of the mounting plate (3).

3. The PT cabinet switching apparatus of claim 1, wherein: the connecting rod (209) penetrates through the inside of the cabinet (1), and the connecting rod (209) moves up and down on a sliding groove in the cabinet (1).

4. A PT cabinet switching apparatus as claimed in claim 3, wherein: the top (207) of connecting rod (209) bottom sets up in the center pin position between first fixed plate (208), and top (207) are rubber material.

5. The PT cabinet switching apparatus of claim 1, wherein: the outer wall of the inner wall of the telescopic box (204) is tightly attached to the inner wall of the fixed box (203), and the fixed box (203) is arranged on the second high-pressure loop bar (7).

6. The PT cabinet switching apparatus of claim 5, wherein: the insulating pressing plate (206) is L-shaped, and the inner wall of the bottom end of the insulating pressing plate (206) is fixedly connected with the reset spring (2012).

7. A PT cabinet switching apparatus as claimed in claim 2, wherein: the upper surface fixedly connected with fixed block (401) of mounting panel (3), the outer wall fixedly connected with first fixed strip (402) of fixed block (401), the inner wall fixedly connected with first protection pad (403) of first fixed strip (402), the outer wall fixedly connected with second fixed strip (404) of fixed block (401), the inner wall fixedly connected with second protection pad (405) of second fixed strip (404).