CN221508827U - Novel cable chamber door interlocking device for ring main unit - Google Patents
Novel cable chamber door interlocking device for ring main unit Download PDFInfo
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- CN221508827U CN221508827U CN202322771997.8U CN202322771997U CN221508827U CN 221508827 U CN221508827 U CN 221508827U CN 202322771997 U CN202322771997 U CN 202322771997U CN 221508827 U CN221508827 U CN 221508827U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000005553 drilling Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003208 petroleum Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel cable chamber door interlocking device for a ring main unit, which comprises the following components: the control mechanism, a valve mechanism arranged on the control mechanism, a first transmission steering device and a second transmission conversion device which are respectively arranged at the left lower side and the right lower side of the valve mechanism, and a cabinet door plate which is arranged behind the first transmission steering device and the second transmission conversion device; further comprises: the operating mechanism, the movable ejector rod, the cabinet body partition board, the cabinet door plate and the second transmission conversion device are all arranged in the cabinet body; the bottoms of the first transmission steering device and the second transmission conversion device are respectively provided with a first movable bolt and a fourth movable bolt. This novel cable chamber door interlocking device for looped netowrk cabinet turns to through installing the transmission additional, very big deepening the inside space of cabinet body, makes more electrical components of cabinet body mountable to under the highly limited circumstances of cabinet body, satisfy the application demand of the on-vehicle prefabricated cabin internal installation of oil drilling trade and other non-standard system looped netowrk cabinets.
Description
Technical Field
The utility model relates to the technical field of mechanical interlocking of ring main units, in particular to a novel cable chamber door interlocking device for a ring main unit.
Background
The ring main unit is an electric device which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled spacing ring main unit, and the core part of the ring main unit adopts a load switch and a fuse, has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is widely applied to distribution stations and box-type substations of load centers such as urban residential communities, high-rise buildings, large public buildings, factory enterprises and the like.
But at present, the depth of a mechanism chamber of a ring main unit is shallow, the volume of an instrument box is small, the space for internally accommodating electric components is insufficient, under the condition that the height of a switch cabinet is limited, the application requirements of installation and other non-calibration ring main units manufactured in a vehicle-mounted prefabricated cabin in the petroleum drilling industry are difficult to be met, and in order to enlarge the inner space of the mechanism chamber and the instrument box, door interlocking needs to be redesigned, and the five-prevention function of the ring main unit needs to be met.
Disclosure of utility model
The utility model aims to provide a novel cable chamber door interlocking device for a ring main unit, which aims to solve the problems that in the background technology, the depth of a mechanism chamber of the ring main unit is shallow, the volume of an instrument box is small, the space for accommodating electric components is insufficient, and the installation in a vehicle-mounted prefabricated cabin body and the application requirements of other non-calibrated ring main units in the petroleum drilling industry are difficult to meet under the condition that the height of a switch cabinet is limited.
In order to achieve the above purpose, the present utility model provides the following technical solutions: novel cable chamber door interlocking device for looped netowrk cabinet, include: the control mechanism, a valve mechanism arranged on the control mechanism, a first transmission steering device and a second transmission conversion device which are respectively arranged at the left lower side and the right lower side of the valve mechanism, and a cabinet door plate which is arranged behind the first transmission steering device and the second transmission conversion device;
Further comprises:
The operating mechanism, the movable ejector rod, the cabinet body partition plate, the cabinet door plate and the second transmission conversion device are all arranged in the cabinet body, and a mechanism bolt and a cam are arranged on the operating mechanism;
The bottoms of the first transmission steering device and the second transmission conversion device are respectively provided with a first movable bolt and a fourth movable bolt, the tops of the first transmission steering device and the second transmission conversion device are respectively provided with a second movable bolt and a third movable bolt, and the second movable bolt and the third movable bolt are respectively connected with the mechanism bolt and the mechanism valve bolt;
the door is characterized in that a left door plate hole and a right door plate hole which are symmetrical are formed in the upper end of the door plate, and the left door plate hole and the right door plate hole are respectively and correspondingly arranged with a first movable bolt and a fourth movable bolt.
Preferably, the movable ejector rod comprises a fixed pin, a movable ejector rod body, a screw and an extension spring, and the fixed pin is arranged on the cabinet partition plate.
Preferably, the first transmission steering device comprises a first transmission steering device body, a first movable bolt, a second movable bolt and a first compression spring, and the second movable bolt is connected with the first movable bolt in a linkage manner.
Preferably, the upper part of the cabinet door plate is in fit connection with a movable ejector rod arranged on the cabinet body partition plate, the movable ejector rod is in sliding connection with the cabinet body partition plate, and the rear part of the movable ejector rod is in fit connection with the poking plate.
Preferably, the second transmission conversion device comprises a third movable bolt, a second transmission conversion device body, a fourth movable bolt and a second compression spring, and the third movable bolt and the fourth movable bolt are connected in a linkage manner.
Compared with the prior art, the utility model has the beneficial effects that: according to the novel cable door interlocking device for the ring main unit, transmission steering is additionally arranged, the space inside the main unit body is greatly increased, so that more electrical components can be installed on the main unit body, and the application requirements of installation and other non-calibration ring main units in the vehicle-mounted prefabricated cabin in the petroleum drilling industry can be met under the condition that the height of the main unit body is limited;
1. The door opening and closing mechanism is provided with an operating mechanism, a valve mechanism, a shifting plate and a movable ejector rod, wherein the valve mechanism and the shifting plate are installed on the operating mechanism, the movable ejector rod is installed on a partition plate of the cabinet body, the valve mechanism is opened by manually pressing down a bolt on the valve mechanism, a mechanism operating handle can be inserted into an operating hole of the operating mechanism to perform opening and closing operation on the mechanism, and the valve can be opened only after the shifting plate is pressed towards the rear part of the operating mechanism, when the cabinet door is closed, the movable ejector rod is pressed inwards by the cabinet door, and then the shifting plate is pressed by the movable ejector rod, so that the valve of the mechanism can be opened, and the function that the operating mechanism can be manually operated only after the cable chamber door is closed is realized;
Through first transmission steering device, realize only three station earthing switch combined floodgate, the cabinet door board just can open, reach the function that prevents personnel from getting into electrified high-voltage compartment and maintain and operate, through second transmission conversion device, realize when carrying out three station switch operation, the cabinet body is locked and can't be opened, reach and nevertheless the earthing switch has been combined floodgate, but as long as the switch is in handle male operating condition, the cabinet door board still can't be opened, further realize preventing personnel from getting into electrified high-voltage compartment and maintain and operate's function, through movable ejector pin, realize only after the cable chamber door is closed, the cable chamber is in safe state to personnel, valve mechanism just can open, just can operate three station switch, so as to prevent the cabinet body and be in maintenance state and just close the separating brake to three station switch, thereby guarantee maintainer's personal safety and prevent the emergence of ground short circuit accident
2. The novel electric cabinet is provided with a first transmission steering device, a first movable bolt, a second movable bolt and a fourth movable bolt, wherein the first transmission steering device comprises a first transmission steering device body, the first movable bolt, the second movable bolt and a first compression spring, the second transmission conversion device comprises a third movable bolt, a second transmission conversion device body, the fourth movable bolt and a second compression spring, the second movable bolt and the third movable bolt are respectively connected with the first movable bolt and the fourth movable bolt in a linkage manner, the transmission steering is additionally arranged, the space inside the cabinet body is greatly deepened, and more electric components can be installed on the cabinet body.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model in front view;
FIG. 2 is a schematic view of the overall structure of the movable ejector rod of the present utility model;
FIG. 3 is a schematic view of the overall structure of the first steering gear of the present utility model;
Fig. 4 is a schematic overall structure of a second transmission conversion device according to the present utility model.
In the figure: 1. an operating mechanism; 2. a valve mechanism; 3. a poking plate; 4. a fixing pin; 5. a movable ejector rod; 6. a first drive steering device; 7. a first movable latch; 8. a cabinet partition; 9. a cabinet door panel; 10. a second movable bolt; 11. a mechanism bolt; 12. a cam; 13. a mechanism valve plug pin; 14. a third movable bolt; 15. a second transmission conversion device; 16. a fourth movable bolt; 17. a left door plate hole; 18. a right door plate hole; 19. a cabinet body; 20. a first compression spring; 21. a second compression spring; 22. a screw; 23. and (5) stretching the spring.
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.
Referring to fig. 1-4, the present utility model provides a technical solution: the novel cable door interlocking device for the ring main unit comprises an operating mechanism 1, a valve mechanism 2, a poking plate 3, a fixing pin 4, a movable ejector rod 5, a first transmission steering device 6, a first movable plug pin 7, a cabinet body partition plate 8, a cabinet door plate 9, a second movable plug pin 10, a mechanism plug pin 11, a cam 12, a mechanism valve plug pin 13, a third movable plug pin 14, a second transmission conversion device 15, a fourth movable plug pin 16, a left door plate hole 17, a right door plate hole 18, a cabinet body 19, a first compression spring 20, a second compression spring 21, a screw 22 and an extension spring 23, wherein the operating mechanism 1, the movable ejector rod 5, the cabinet body partition plate 8, the cabinet door plate 9 and the second transmission conversion device 15 are all arranged in the cabinet body 19, the operating mechanism 1 is provided with the mechanism plug pin 11 and the cam 12, the bottoms of the first transmission steering device 6 and the second transmission conversion device 15 are respectively provided with the first movable plug pin 7 and the fourth movable plug pin 16, the top parts of the first transmission steering device 6 and the second transmission conversion device 15 are respectively provided with a second movable bolt 10 and a third movable bolt 14, the second movable bolt 10 and the third movable bolt 14 are respectively connected with the mechanism bolt 11 and the mechanism valve bolt 13, a left door plate hole 17 and a right door plate hole 18 which are symmetrical are arranged in the upper end of the cabinet door plate 9, the left door plate hole 17 and the right door plate hole 18 are respectively correspondingly arranged with the first movable bolt 7 and the fourth movable bolt 16, the movable ejector rod 5 comprises a fixed pin 4, a movable ejector rod 5 body, a screw 22 and an extension spring 23, the first transmission steering device 6 comprises a first transmission steering device 6 body, a first movable bolt 7, a second movable bolt 10 and a first compression spring 20, and the second transmission conversion device 15 comprises a third movable bolt 14, A second transmission conversion device 15 body, a fourth movable plug 16 and a second compression spring 21;
As shown in fig. 1, 3 and 4, after the cabinet door panel 9 is installed on the cabinet body 19, it needs to be lifted upwards by a certain stroke to be removed; after the cabinet door plate 9 is installed on the cabinet body 19, as long as the first movable bolt 7 is inserted into the left door plate hole 17 or the fourth movable bolt 16 is inserted into the right door plate hole 18, the cabinet door plate 9 is blocked and cannot be lifted upwards and cannot be removed from the cabinet body 19;
When the second movable bolt 10 moves downwards, the first movable bolt 7 is driven to move in the direction shown in the figure, otherwise, when the second movable bolt 10 moves in the opposite direction shown in the figure, the first movable bolt 7 moves in the opposite direction shown in the figure, when the operating mechanism 1 is in a connected and isolated state, the second movable bolt 10 is always in a pressed state, the first movable bolt 7 is in a state of being inserted into the left door plate hole 17, the door plate 9 is blocked and can not be opened,
When the third movable bolt 14 moves downwards, the fourth movable bolt 16 is driven to move in the direction shown in the figure, otherwise, when the left door plate hole 17 moves in the opposite direction shown in the figure, the fourth movable bolt 16 simultaneously moves in the opposite direction shown in the figure, when the valve mechanism 2 is in an open state, the third movable bolt 14 is always in a pressed state, the fourth movable bolt 16 is in a state of being inserted into the left door plate hole 17, and the door plate 9 is blocked and cannot be opened, so that the function of preventing personnel from entering an electrified high-voltage compartment for maintenance and operation is achieved;
As shown in fig. 1 and 2, the operating mechanism 1 is provided with a valve mechanism 2 and a pulling plate 3, the valve mechanism 2 is opened by manually pressing down a bolt on the valve mechanism 2, a mechanism operating handle can be inserted into an operating hole of the operating mechanism 1 to perform switching-on and switching-off operation, the pulling plate 3 is pressed towards the rear part of the operating mechanism 1, the valve mechanism 2 can be opened, a movable push rod 5 is arranged on a cabinet partition 8, when a cabinet door plate 9 is closed, the cabinet door plate 9 is pressed inwards, then the movable push rod 5 presses the pulling plate 3, and the valve mechanism 2 can be opened, so that the function that the operating mechanism can be manually operated only after a cable chamber door is closed is realized.
While embodiments of the present utility model have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Novel cable chamber door interlocking device for looped netowrk cabinet, include: the control device comprises an operation mechanism (1), a valve mechanism (2) arranged on the operation mechanism (1), a first transmission steering device (6) and a second transmission conversion device (15) which are respectively arranged on the left lower side and the right lower side of the valve mechanism (2), and a cabinet door plate (9) arranged behind the first transmission steering device (6) and the second transmission conversion device (15);
Characterized by further comprising:
The operating mechanism (1), the movable ejector rod (5), the cabinet body partition plate (8), the cabinet door plate (9) and the second transmission conversion device (15) are all arranged in the cabinet body (19), and the operating mechanism (1) is provided with a mechanism bolt (11) and a cam (12);
The bottoms of the first transmission steering device (6) and the second transmission conversion device (15) are respectively provided with a first movable bolt (7) and a fourth movable bolt (16), the tops of the first transmission steering device (6) and the second transmission conversion device (15) are respectively provided with a second movable bolt (10) and a third movable bolt (14), and the second movable bolt (10) and the third movable bolt (14) are respectively connected with the mechanism bolt (11) and the mechanism valve bolt (13);
the door is characterized in that a left door plate hole (17) and a right door plate hole (18) which are symmetrical are formed in the upper end of the door plate (9), and the left door plate hole (17) and the right door plate hole (18) are respectively and correspondingly arranged with a first movable bolt (7) and a fourth movable bolt (16).
2. The novel cable door interlocking device for ring main units according to claim 1, wherein: the movable ejector rod (5) comprises a fixed pin (4), a movable ejector rod (5) body, a screw (22) and a tension spring (23), and the fixed pin (4) is arranged on the cabinet partition plate (8).
3. The novel cable door interlocking device for ring main units according to claim 1, wherein: the first transmission steering device (6) comprises a first transmission steering device (6) body, a first movable bolt (7), a second movable bolt (10) and a first compression spring (20), and the second movable bolt (10) is connected with the first movable bolt (7) in a linkage manner.
4. The novel cable door interlocking device for ring main units according to claim 1, wherein: the upper part of the cabinet door plate (9) is in fit connection with a movable ejector rod (5) arranged on the cabinet body partition plate (8), the movable ejector rod (5) is in sliding connection with the cabinet body partition plate (8), and the rear part of the movable ejector rod (5) is in fit connection with the poking plate (3).
5. The novel cable door interlocking device for ring main units according to claim 1, wherein: the second transmission conversion device (15) comprises a third movable bolt (14), a second transmission conversion device (15) body, a fourth movable bolt (16) and a second compression spring (21), and the third movable bolt (14) is connected with the fourth movable bolt (16) in a linkage manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322771997.8U CN221508827U (en) | 2023-10-17 | 2023-10-17 | Novel cable chamber door interlocking device for ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322771997.8U CN221508827U (en) | 2023-10-17 | 2023-10-17 | Novel cable chamber door interlocking device for ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221508827U true CN221508827U (en) | 2024-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322771997.8U Active CN221508827U (en) | 2023-10-17 | 2023-10-17 | Novel cable chamber door interlocking device for ring main unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN221508827U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220680A (en) * | 2022-01-10 | 2022-03-22 | 任丘广蓝电气设备有限公司 | Ring main unit interlocking device and ring main unit |
-
2023
- 2023-10-17 CN CN202322771997.8U patent/CN221508827U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220680A (en) * | 2022-01-10 | 2022-03-22 | 任丘广蓝电气设备有限公司 | Ring main unit interlocking device and ring main unit |
| CN114220680B (en) * | 2022-01-10 | 2025-08-15 | 广蓝电气设备有限公司 | Ring main unit interlocking device and ring main unit |
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