CN216671383U - Mining explosion-proof PT cabinet voltage transformer subassembly - Google Patents
Mining explosion-proof PT cabinet voltage transformer subassembly Download PDFInfo
- Publication number
- CN216671383U CN216671383U CN202123009434.2U CN202123009434U CN216671383U CN 216671383 U CN216671383 U CN 216671383U CN 202123009434 U CN202123009434 U CN 202123009434U CN 216671383 U CN216671383 U CN 216671383U
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- phase voltage
- base
- proof
- insulating
- 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
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to a voltage transformer assembly of a mining explosion-proof PT cabinet, which comprises a base, wherein a three-phase voltage transformer and a single-phase voltage transformer are supported and arranged on the base, the output of the three-phase voltage transformer is connected with the input of the single-phase voltage transformer, the output of the single-phase voltage transformer is connected with an output connector through a plurality of circuit breakers, a plurality of insulating terminals facing backwards are also arranged on the base, the rear ends of three insulating terminals in the plurality of insulating terminals are respectively connected with the upper ends of three copper bars, the three copper bars face backwards and are respectively and horizontally connected with three conducting rods, the lower ends of the three copper bars face forwards and are respectively connected with three high-voltage current limiting fuses of the three-phase voltage transformer, an insulating compression connecting partition plate is arranged on the rear sides of the three copper bars, and penetrates through the conducting rods and is locked and connected with the rear ends of other insulating terminals through screws to be in a state of compressing the three copper bars. The structure is simple, and the stable installation and mutual explosion-proof connection of the conducting rods can be better considered.
Description
Technical Field
The utility model relates to a mutual inductor, in particular to a voltage mutual inductor assembly of a mine explosion-proof PT cabinet.
Background
When the transformer is operated under a mine, the explosion-proof requirement on electrical equipment, particularly a switch box is high, the high explosion-proof requirement of the transformer not only requires the explosion-proof of an external box structure, but also provides high explosion-proof requirements on internal voltage transmission and a transformer, and simultaneously, the transformer needs to meet the requirements of convenient assembly and disassembly.
Disclosure of Invention
The utility model provides a voltage transformer assembly of an explosion-proof PT cabinet for a mine, which has a simple structure and can better give consideration to the stable installation and the explosion-proof connection of conducting rods.
The technical scheme adopted by the utility model is as follows: the utility model provides a mining explosion-proof PT cabinet voltage transformer subassembly, includes the base, supports on the base and sets up three-phase voltage transformer, single-phase voltage transformer, and single-phase voltage transformer output connects the input of single-phase voltage transformer, and single-phase voltage transformer output connects output connector, its characterized in that through a plurality of circuit breakers: still be equipped with a plurality of levels on the base towards the insulating terminal of back, three copper bar upper end is connected respectively to the rear end of three insulating terminal in a plurality of insulating terminals, three copper bar towards the back respectively three conducting rod of horizontal connection, three copper bar lower extreme is connected three high-voltage current limiting fuse of three-phase voltage transformer forward respectively, three copper bar rear side sets up an insulating crimping baffle, insulating crimping baffle cross-under conducting rod just is compressing tightly three copper bar state through other insulating terminal rear ends of screw locking connection.
Further, the three-phase voltage transformer is arranged on a lower shelf of the base, and the single-phase voltage transformer is arranged on an upper shelf of the base.
Furthermore, the upper part of the insulation compression joint clapboard is backwards provided with three upper conductive insulation cover structures which are respectively and correspondingly connected with the conductive rods in a penetrating way.
Furthermore, the lower part of the insulation compression joint partition plate faces backwards, and three lower conductive insulation cover structures which respectively cover the high-voltage current-limiting fuse are arranged correspondingly.
Furthermore, the bottom of the base is provided with a pulley which can slide in the switch box.
Furthermore, the rear part of the base is provided with a clamping hook which is buckled with the inside of the switch box.
According to the utility model, the locking copper bar and the insulating compression joint partition plate are supported by the plurality of insulating terminals arranged backwards on the base, the conductive rod and the high-voltage current-limiting fuse of the three-phase voltage transformer are horizontally and externally connected through the copper bar, and the conductive rod and the high-voltage current-limiting fuse are separated by the insulating compression joint partition plate, so that the explosion prevention of the conductive rod connected to the three-phase voltage transformer can be ensured under the condition of stable and firm integral assembly, and the explosion prevention performance is excellent.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
In the figure: the device comprises a base 1, pulleys 2, a lower layer frame 3, a three-phase voltage transformer 4, a high-voltage current-limiting fuse 41, an upper layer frame 5, a single-phase voltage transformer 6, a side frame 7, an upper insulating terminal 8, a lower insulating terminal 9, a copper bar 10, an insulating compression joint partition plate 11, an upper conductive insulating cover structure 12, a lower conductive insulating cover structure 13, a conductive rod 14 and a clamping hook 15.
Detailed Description
The following further description is made in conjunction with the accompanying drawings and examples.
FIG. 1 shows: the utility model provides a mining explosion-proof PT cabinet voltage transformer subassembly, includes base 1, lower floor's frame 3, three-phase voltage transformer 4, high-voltage current limiting fuse 41, upper strata frame 5, single-phase voltage transformer 6, side frame 7, upper insulation terminal 8, lower insulation terminal 9, copper bar 10, insulating crimping baffle 11, conducting rod 14. The three-phase voltage transformer 4 and the single-phase voltage transformer 6 are respectively supported on the base through a lower layer frame 3 and an upper layer frame 5, the output of the three-phase voltage transformer is connected with the input of the single-phase voltage transformer, the output of the single-phase voltage transformer is connected with an output connector through a plurality of circuit breakers (the output structure is the prior art, the figure does not show the installation position in detail, the installation position can be arranged on the base according to the wiring requirement), the rear side of the base 1 is provided with a side frame 7, the side frame 7 is provided with three upper insulation terminals 8 facing backwards horizontally and more than two lower insulation terminals 9 facing backwards horizontally, the rear ends of the three upper insulation terminals 8 are respectively connected with the upper ends of three copper bars 10, the three copper bars 10 are respectively connected with three conductive rods 14 facing backwards, the lower ends of the three copper bars are respectively connected with three high-voltage current limiting fuses 41 of the three-phase voltage transformer 4 facing forwards, and the rear sides of the three copper bars are provided with an insulation compression joint baffle 11, the upper part of the insulation compression joint partition board is backwards provided with three upper conductive insulation cover structures 12 which respectively correspond to the cross-under conductive rods, the lower part of the insulation compression joint partition board is backwards provided with three lower conductive insulation cover structures 13 which respectively correspond to the cover high-voltage current-limiting fuses, and the insulation compression joint partition board 11 is in a state of pressing three copper bars by crossing the conductive rods and being locked and connected with the rear end of the lower insulation terminal 9 through screws.
In order to further improve the convenience of installation, the bottom of the base is provided with a pulley 2 which can slide in the switch box; in order to further improve the installation stability, a hook 15 which is buckled with the switch box can be arranged at the rear part of the base.
Claims (6)
1. The utility model provides a mining explosion-proof PT cabinet voltage transformer subassembly, includes the base, supports on the base and sets up three-phase voltage transformer, single-phase voltage transformer, and single-phase voltage transformer output connects the input of single-phase voltage transformer, and single-phase voltage transformer output connects output connector, its characterized in that through a plurality of circuit breakers: still be equipped with a plurality of levels on the base towards the insulating terminal of back, three copper bar upper end is connected respectively to the rear end of three insulating terminal in a plurality of insulating terminals, three copper bar towards the back respectively three conducting rod of horizontal connection, three copper bar lower extreme is connected three high-voltage current limiting fuse of three-phase voltage transformer forward respectively, three copper bar rear side sets up an insulating crimping baffle, insulating crimping baffle cross-under conducting rod just is compressing tightly three copper bar state through other insulating terminal rear ends of screw locking connection.
2. The voltage transformer assembly of the mining explosion-proof PT cabinet as claimed in claim 1, wherein: the three-phase voltage transformer is arranged on the lower shelf of the base, and the single-phase voltage transformer is arranged on the upper shelf of the base.
3. The voltage transformer assembly of the mining explosion-proof PT cabinet as claimed in claim 1, wherein: and the upper part of the insulation compression joint partition board is backwards provided with three upper conductive insulation cover structures which are respectively correspondingly connected with the conductive rods in a penetrating way.
4. The mining explosion-proof PT cabinet voltage transformer assembly of claim 1, characterized by: and the lower part of the insulation compression joint partition plate faces backwards to form three lower conductive insulation cover structures which respectively cover the high-voltage current-limiting fuse correspondingly.
5. The voltage transformer assembly of the mining explosion-proof PT cabinet as claimed in claim 1, wherein: the bottom of the base is provided with a pulley which can slide in the switch box.
6. The voltage transformer assembly of the mining explosion-proof PT cabinet as claimed in claim 1, wherein: the rear part of the base is provided with a clamping hook which is buckled with the inside of the switch box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123009434.2U CN216671383U (en) | 2021-12-03 | 2021-12-03 | Mining explosion-proof PT cabinet voltage transformer subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123009434.2U CN216671383U (en) | 2021-12-03 | 2021-12-03 | Mining explosion-proof PT cabinet voltage transformer subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216671383U true CN216671383U (en) | 2022-06-03 |
Family
ID=81787156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123009434.2U Active CN216671383U (en) | 2021-12-03 | 2021-12-03 | Mining explosion-proof PT cabinet voltage transformer subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216671383U (en) |
-
2021
- 2021-12-03 CN CN202123009434.2U patent/CN216671383U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216671383U (en) | Mining explosion-proof PT cabinet voltage transformer subassembly | |
| CN114038655A (en) | Mining explosion-proof PT cabinet voltage transformer subassembly | |
| CN110459442B (en) | One-in two-out double-sided operation low-voltage molded case circuit breaker | |
| CN101924329B (en) | Bus insulation function board of switch cabinet | |
| CN201032656Y (en) | Switch socket | |
| CN214478486U (en) | Three-phase flat cable mounting structure of electric appliance cabinet | |
| CN211238604U (en) | Wire holder and wiring device | |
| CN201336513Y (en) | Distribution cabinet | |
| CN210607136U (en) | Integrated bus system | |
| CN114142377B (en) | Bus-tie lifting cabinet | |
| CN215418026U (en) | Load leading-out end structure of controller | |
| CN218647861U (en) | Direct current breaker | |
| CN220190188U (en) | Explosion-proof switch cabinet and switch cabinet group | |
| CN210607663U (en) | Multi-layer connector | |
| CN200987044Y (en) | Rear wire outlet four-pole cable adapter for switch cabinet | |
| CN219419895U (en) | Electrical circuit connector, modularized extraction unit and low-voltage switch cabinet | |
| CN219591932U (en) | Block terminal and mobile power station | |
| CN110380298A (en) | A kind of small bus collection line | |
| CN203503813U (en) | High voltage terminal block | |
| CN220873499U (en) | Electronic molded case circuit breaker connecting plate | |
| CN221042143U (en) | Inflatable cabinet with quick-inserting structure | |
| CN219420078U (en) | Extractable structure for heavy-current fixed loop | |
| CN215934068U (en) | Busbar device and power equipment | |
| CN212625347U (en) | Installation structure of isolating switch conductive copper bar | |
| CN214337206U (en) | High-low voltage distribution switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |