CN218769243U - Modularization PT is with three station isolation structure major loop - Google Patents
Modularization PT is with three station isolation structure major loop Download PDFInfo
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- CN218769243U CN218769243U CN202222966251.8U CN202222966251U CN218769243U CN 218769243 U CN218769243 U CN 218769243U CN 202222966251 U CN202222966251 U CN 202222966251U CN 218769243 U CN218769243 U CN 218769243U
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- pull rod
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- 238000002955 isolation Methods 0.000 title claims description 13
- 239000012212 insulator Substances 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 18
- 230000003068 static effect Effects 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The application discloses modularization PT is with three station isolating construction major loops relates to the switchgear field. This application includes the box, the box internal connection moves the sword assembly, the pull rod assembly has been cup jointed to the one end of moving the sword assembly, be connected with the turning arm on the pull rod assembly, the below of going up the turning arm is connected with down the turning arm, move the both ends of sword assembly and rotate respectively and be connected with left bent plate and right bent plate, left side bent plate with right bent plate is fixed respectively the inside of box, it is connected with operating mechanism to rotate on the box, outside one side of box is provided with the macroaxis, the macroaxis with operating mechanism's one end is connected, be connected with switch-on position stationary knife in the box, switch-on position stationary knife sets up move one side of sword assembly, the inboard of box is fixed with interior cone insulator and ground connection position stationary knife, the one end of interior cone insulator with switch-on position stationary knife is connected, interior cone ground position stationary knife sets up the top of insulator.
Description
Technical Field
The application relates to the field of switchgear, in particular to a modularized PT three-station isolation structure main loop.
Background
In recent years, gas insulated switchgear is rapidly popularized and applied in China, and particularly, with the construction and transformation of urban power grids, rail transit, large industrial and mining enterprises and the like in China, new and higher requirements on miniaturization, intellectualization, maintenance-free, all-working-condition and the like are put forward on switchgear, and the demand of high-performance and high-quality gas-filled cabinets in China is more and more strong. Especially in the PT scheme in the rail transit project, the user not only requires that the cabinet body size is small, but also needs to install the PT three-station isolating device additionally to realize the switching of isolation, switch-on and grounding three positions during maintenance. The isolation device which can meet the requirements in the industry at present is limited by the size of an air chamber, and has the problems of complex structure, poor three-phase synchronism, difficult installation, poor reliability and the like, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The purpose of this application lies in: for solving present isolating device and being subject to the air chamber size, mostly there are that the structure is complicated, the three-phase synchronism is poor, installation difficulty and reliability are poor, lead to the problem of being not convenient for operate, this application provides a modularization PT with three station isolation structure major loop.
The following technical scheme is specifically adopted in order to achieve the purpose:
the utility model provides a modularization PT is with three station isolation structure major loop, includes the box, the box is connected with moves the sword assembly, move the one end of sword assembly and cup jointed the pull rod assembly, be connected with the turning arm on the pull rod assembly, the below of going up the turning arm is connected with down the turning arm, move the both ends of sword assembly and rotate respectively and be connected with left bent plate and right bent plate, left side bent plate with right bent plate is fixed respectively the inside of box, it is connected with operating mechanism to rotate on the box, outside one side of box is provided with the macroaxis, the macroaxis with the one end of operating mechanism is connected, be connected with switch-on static sword in the box, switch-on static sword sets up move one side of sword assembly, the inboard of box is fixed with interior cone insulator and ground connection static sword, the one end of interior cone insulator with switch-on static sword is connected, ground connection static sword sets up the top of interior cone insulator.
Furthermore, move the sword assembly and include insulating rod and move the sword partial shipment, the both ends of insulating rod respectively with left bent plate and right bent plate rotate to be connected, move the sword partial shipment and cup joint on the insulating rod.
Through adopting above-mentioned technical scheme, set up the insulating rod and be favorable to installing moving the sword partial shipment, also be favorable to driving simultaneously and move the sword partial shipment and rotate.
Further, the movable cutter split charging device comprises a movable cutter blade and a welding sleeve column, wherein the welding sleeve column is connected to the movable cutter blade, and the welding sleeve column is sleeved on the insulating rod.
Through adopting above-mentioned technical scheme, set up the welding sleeve post and be favorable to installing the moving blade, adjust through the position to the moving blade, realize adjusting the state of major loop.
Furthermore, a pin is inserted between the welding sleeve column and the insulating rod, and a cotter pin is inserted at one end of the pin.
Through adopting above-mentioned technical scheme, set up pin and split pin and be convenient for dismantle and fix between welding sleeve post and the insulating rod.
Furthermore, the upper crank arm comprises an upper clamping fork, a pull rod and a lower clamping fork, the upper clamping fork is connected above the pull rod, the lower clamping fork is connected below the pull rod, the upper clamping fork is assembled and hinged with the pull rod, and the lower clamping fork is hinged with the lower crank arm.
Through adopting above-mentioned technical scheme, through setting up fork, pull rod and lower fork, realized when rotating operating mechanism, be favorable to rotating the insulating rod.
Further, the upper clamping fork and the lower clamping fork are in threaded connection with two ends of the pull rod.
Through adopting above-mentioned technical scheme, be convenient for dismantle and change upper clamping fork and lower clamping fork through threaded connection each other.
In summary, the present application includes at least one of the following advantages;
if closing and closing the isolating device, through operating the operating mechanism, drive the macroaxis drive and move the knife assembly anticlockwise and rotate certain angle until moving knife assembly and switch-on position quiet sword and reliably contacting, connect interior cone insulator and connect three-station isolating device and equipment switch-on return circuit intercommunication through the annealed copper wire under this state, thereby realize the switch-on of return circuit, if closing earthing device, through moving knife assembly and reliably contacting with the quiet sword of ground connection position, thereby interior cone insulator that connects under this state passes through the annealed copper wire and communicates three-station isolating device and equipment ground return circuit and realize the ground connection, thereby make three-station isolating device can the modularized design and simple structure, have the good and reliable advantage of action of three-phase synchronism.
Drawings
FIG. 1 is a schematic structural diagram of the main circuit of the present invention;
FIG. 2 is a schematic view of the installation of the movable blade assembly of the present invention;
FIG. 3 is a schematic view of the split-charging structure of the movable knife of the present invention;
FIG. 4 is a schematic view showing the split connection between the insulating rod and the movable blade according to the present invention;
FIG. 5 is a schematic view of the upper crank arm structure of the present invention;
FIG. 6 is a schematic view of the main circuit of the present invention;
fig. 7 is a schematic diagram of the structure of the main circuit ground bit of the present invention.
Description of the reference numerals:
1. a box body; 2. assembling the movable cutter; 3. assembling a pull rod; 4. an upper crank arm; 402. an upper clamping fork; 404. a pull rod; 406. A lower clamping fork; 5. a lower crank arm; 7. an insulating rod; 8. split charging of the movable cutter; 802. a movable blade; 804. welding a sleeve column; 9. a pin; 10. a cotter pin; 14. a left bending plate; 15. a right bent plate; 16. an operating mechanism; 17. a large shaft; 18. Switching on a static knife; 19. an inner cone insulator; 20. the static knife is grounded.
Detailed Description
The present application is described in further detail below with reference to figures 1-7.
The embodiment of the application discloses modularization PT is with three station isolation structure major loops includes box 1, 1 in-connection of box has moved sword assembly 2, move the one end of sword assembly 2 and cup jointed pull rod assembly 3, be connected with connecting lever 4 on the pull rod assembly 3, the below of going up connecting lever 4 is connected with lower connecting lever 5, it is connected with left bent plate 14 and right bent plate 15 to move the both ends of sword assembly 2 respectively to rotate, left bent plate 14 and right bent plate 15 are fixed respectively in the inside of box 1, it is connected with operating mechanism 16 to rotate on the box 1, the outside one side of box 1 is provided with staff 17, staff 17 is connected with the one end of operating mechanism 16, 1 in-connection of box has closed position stationary knife 18, closed position stationary knife 18 sets up in the one side of moving sword assembly 2, the inboard of box 1 is fixed with interior cone insulator 19 and ground connection position stationary knife 20, the one end and the closed position stationary knife 18 of interior cone insulator 19 are connected, ground connection position stationary knife 20 sets up the top at interior cone insulator 19.
Referring to fig. 4, move sword assembly 2 and include insulating rod 7 and move sword partial shipment 8, the both ends of insulating rod 7 rotate with left bent plate 14 and right bent plate 15 respectively and are connected, move sword partial shipment 8 and cup joint on insulating rod 7, set up insulating rod 7 and be favorable to installing moving sword partial shipment 8, also be favorable to driving simultaneously and move sword partial shipment 8 and rotate.
Referring to fig. 3, the movable blade split charging 8 includes a movable blade 802 and a welding sleeve column 804, the welding sleeve column 804 is connected to the movable blade 802, the welding sleeve column 804 is sleeved on the insulating rod 7, the welding sleeve column 804 is arranged to facilitate installation of the movable blade 802, and the state of the main loop is adjusted by adjusting the position of the movable blade 802.
Referring to fig. 4, a pin 9 is inserted between the welding sleeve column 804 and the insulating rod 7, a cotter pin 10 is inserted at one end of the pin 9, and the pin 9 and the cotter pin 10 are arranged to facilitate detachment and fixation between the welding sleeve column 804 and the insulating rod 7.
Referring to fig. 5, the upper crank arm 4 includes an upper fork 402, a pull rod 404 and a lower fork 406, the upper fork 402 is connected above the pull rod 404, the lower fork 406 is connected below the pull rod 404, the upper fork 402 is hinged to the pull rod assembly 3, the lower fork 406 is hinged to the lower crank arm 5, and by arranging the upper fork 402, the pull rod 404 and the lower fork 406, it is realized that the rotation of the operating mechanism 16 is facilitated, and the rotation of the insulating rod 7 is facilitated.
Referring to fig. 5, the upper and lower forks 402 and 406 are threadedly coupled to both ends of the pull rod 404, and the upper and lower forks 402 and 406 are easily removed and replaced by being threadedly coupled to each other.
The working principle is as follows: the movable knife split charging device 8 is sleeved on the insulating rod 7, the welding sleeve column 804 and the insulating rod 7 are conveniently detached and fixed by arranging the pin 9 and the cotter pin 10, the upper crank arm 4 is connected with the insulating rod 7 through the pin, the installation of the movable knife assembly is completed, the upper clamping fork 402, the pull rod 404 and the lower clamping fork 406 are arranged, when the operating mechanism 16 rotates, the insulating rod 7 is favorably rotated, if the closing and isolating device is required, the position operating mechanism 16 is operated, the large shaft 17 is driven to drive the movable knife assembly 2 to rotate anticlockwise for a certain angle until the movable knife blade 802 is reliably contacted with the closed position stationary knife 18, the inner cone insulator 19 is connected in the state to connect the three-position isolating device with the equipment connecting loop through the soft copper wire, the connection of the loop is realized, if the grounding device is required to be connected, the movable knife blade 802 is reliably contacted with the grounding stationary knife 20, the connected inner cone insulator 19 in the state connects the three-position isolating device with the equipment grounding loop through the soft copper wire, the grounding device is grounded, the three-position isolating device can be designed, the three-station isolating device can be reliably connected, the three-phase air chamber has the advantages of simple structure, the inconvenience of simple structure and the inconvenience in the difficulty in the installation and the difficulty in the three-phase operation and the difficulty in the three-phase operation.
Claims (6)
1. The utility model provides a modularization PT is with three station isolating construction major loop, includes box (1), its characterized in that: the utility model provides a power tool, including box (1), it has the switch-on position insulator (19) to move the switch-on position insulator (20), box (1) in-connection has moves sword assembly (2), the one end of moving sword assembly (2) has cup jointed pull rod assembly (3), be connected with crank arm (4) on pull rod assembly (3), the below of going up crank arm (4) is connected with lower crank arm (5), it is connected with left bent plate (14) and right bent plate (15) to move the both ends of sword assembly (2) rotation respectively, left side bent plate (14) with right bent plate (15) are fixed respectively the inside of box (1), it is connected with operating mechanism (16) to rotate on box (1), outside one side of box (1) is provided with main shaft (17), main shaft (17) with the one end of operating mechanism (16) is connected, box (1) in-connection has switch-on position sword (18), switch-on position stationary sword (18) sets up one side of sword assembly (2), the inboard of box (1) is fixed with interior cone insulator (19) and ground connection insulator (20), the interior sword one end of stationary sword (19) is connected the stationary sword insulator top.
2. A modular PT three-station isolation structural primary loop as claimed in claim 1 wherein: move sword assembly (2) including insulating rod (7) and move sword partial shipment (8), the both ends of insulating rod (7) respectively with left side bent plate (14) and right bent plate (15) rotate to be connected, move sword partial shipment (8) and cup joint on insulating rod (7).
3. A modular PT three-station isolation structural primary loop as claimed in claim 2 wherein: move sword partial shipment (8) and include moving blade (802) and welding sleeve post (804), welding sleeve post (804) are connected move on blade (802), welding sleeve post (804) cup joint on insulating rod (7).
4. A modular PT three-station isolation structure primary circuit as claimed in claim 3 wherein: a pin (9) is inserted between the welding sleeve column (804) and the insulating rod (7), and a cotter pin (10) is inserted at one end of the pin (9).
5. The modular PT three-position isolation structure main loop of claim 1, wherein: the upper crank arm (4) comprises an upper clamping fork (402), a pull rod (404) and a lower clamping fork (406), the upper clamping fork (402) is connected above the pull rod (404), the lower clamping fork (406) is connected below the pull rod (404), the upper clamping fork (402) is hinged to the pull rod assembly (3), and the lower clamping fork (406) is hinged to the lower crank arm (5).
6. A modular PT three-position isolation structure main loop according to claim 5, characterized by that: the upper clamping fork (402) and the lower clamping fork (406) are in threaded connection with two ends of the pull rod (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222966251.8U CN218769243U (en) | 2022-11-07 | 2022-11-07 | Modularization PT is with three station isolation structure major loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222966251.8U CN218769243U (en) | 2022-11-07 | 2022-11-07 | Modularization PT is with three station isolation structure major loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218769243U true CN218769243U (en) | 2023-03-28 |
Family
ID=85646398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222966251.8U Active CN218769243U (en) | 2022-11-07 | 2022-11-07 | Modularization PT is with three station isolation structure major loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218769243U (en) |
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2022
- 2022-11-07 CN CN202222966251.8U patent/CN218769243U/en active Active
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