CN217655787U - Compact three-station isolation mechanism - Google Patents
Compact three-station isolation mechanism Download PDFInfo
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- CN217655787U CN217655787U CN202222295958.0U CN202222295958U CN217655787U CN 217655787 U CN217655787 U CN 217655787U CN 202222295958 U CN202222295958 U CN 202222295958U CN 217655787 U CN217655787 U CN 217655787U
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- grounding
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Abstract
The utility model relates to a compact three-station isolation mechanism, wherein an isolation operation shaft, an isolation transmission shaft, a mechanism main shaft, a grounding operation shaft and a grounding transmission shaft are rotatably arranged on a frame, an isolation driving gear and an isolation driven gear are respectively arranged on the isolation operation shaft and the isolation transmission shaft, and the isolation driving gear is meshed with the isolation driven gear; the grounding operating shaft and the grounding transmission shaft are respectively provided with a grounding driving gear and a grounding driven gear, and the grounding driving gear is meshed with the grounding driven gear; the isolation transmission shaft, the grounding transmission shaft and the mechanism main shaft are respectively provided with an isolation track plate, a grounding track plate and a main shaft plate; one end of the isolation connecting rod is in sliding fit with the isolation track plate, and the other end of the isolation connecting rod is rotatably connected with the main shaft plate; one end of the grounding connecting rod is in sliding fit with the grounding track plate, and the other end of the grounding connecting rod is rotatably connected with the main shaft plate; two ends of the main force spring are respectively connected with the isolation transmission shaft and the grounding transmission shaft in a rotating way. Mechanism's main part thickness is less than 90mm, is showing the volume that has reduced looped netowrk cabinet.
Description
Technical Field
The utility model relates to a looped netowrk cabinet field, concretely relates to three station isolation mechanisms of compact.
Background
In an electric power transmission and transformation system, a 10kv ring main unit is a very important electrical device in an electric power system, is used in the electric power system and various industrial users as a typical terminal distribution device in a large amount, is an indispensable product in an intelligent power grid, and is directly related to the safe and reliable operation of the power grid.
The normal pressure sealing air insulation ring main unit is increasingly applied because of safety, environmental protection, stability, small volume and strong adaptability, and the grounding operating mechanism is used as an important part in the ring main unit and is directly related to the performance of the ring main unit.
Because the depth of the conventional environment-friendly ring main unit body is 950mm, the thickness of the isolation mechanism reaches 230mm, and the occupied area is large, the size of the normal-pressure sealed air-insulated ring main unit is limited to 770mm, and the thickness of the operating mechanism is required to be smaller than 100mm, so that the land use cost and the manufacturing cost of the ring main unit are reduced, but only few manufacturers can develop the isolation mechanism meeting the requirements at present, which is not beneficial to the popularization and the use of the environment-friendly ring main unit.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a three station isolation machanisms of compact are provided to overcome not enough among the above-mentioned prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a compact three-station isolation mechanism comprising: the mechanism comprises a frame, a main force spring, an isolation connecting rod and a grounding connecting rod, wherein an isolation operating shaft, an isolation transmission shaft, a mechanism main shaft, a grounding operating shaft and a grounding transmission shaft are sequentially arranged on the frame from top to bottom in a rotating mode; a grounding driving gear and a grounding driven gear are fixedly arranged on the grounding operating shaft and the grounding transmission shaft respectively, and the grounding driving gear is meshed with the grounding driven gear; the isolation transmission shaft, the grounding transmission shaft and the mechanism main shaft are respectively and fixedly provided with an isolation track plate, a grounding track plate and a main shaft plate; one end of the isolation connecting rod is in sliding fit with the track groove on the isolation track plate, and the other end of the isolation connecting rod is rotatably connected with the main shaft plate; one end of the grounding connecting rod is in sliding fit with the track groove on the grounding track plate, and the other end of the grounding connecting rod is rotatably connected with the main shaft plate; two ends of the main force spring are respectively connected with the isolation transmission shaft and the grounding transmission shaft in a rotating way.
The utility model has the advantages that:
the isolation operation shaft and the grounding operation shaft are operated to realize the rapid switching-on, switching-off and grounding of the matched switch, so that the three-station control of the switch is realized; through optimizing the structural design, the thickness of the mechanism main body is smaller than 90mm, the miniaturization and the lightness of the mechanism are realized, and the volume of the ring main unit is obviously reduced; the ring main unit can be suitable for a standardized normal-pressure sealed air insulation ring main unit and can also be used for an environment-friendly gas insulation ring main unit and an SF6 gas insulation ring main unit, and modularization, standardization, miniaturization and environmental protection of ring main unit products are achieved.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, a limiting mechanism is arranged between the frame and the main shaft plate, and the limiting mechanism prevents the main shaft plate from continuously moving after the main shaft of the mechanism rotates to a switching-on position and a connecting position respectively.
Adopt above-mentioned further beneficial effect to do: when the station is switched, the matched switch can be accurately stopped on the designated station.
Further, stop gear includes: the first positioning block and the second positioning block are rotatably arranged at two end parts of the main shaft plate at certain angles respectively; the first positioning roller is positioned at the upper left of the mechanism main shaft, the second positioning roller is positioned at the upper right of the mechanism main shaft, and the first positioning roller and the second positioning roller are respectively fixed on the frame; the third positioning roller is positioned at the right lower part of the mechanism main shaft, the fourth positioning roller is positioned at the left lower part of the mechanism main shaft, and the third positioning roller and the fourth positioning roller are respectively fixed on the frame; after the mechanism main shaft rotates to the switching-on position, the third positioning roller and the fourth positioning roller respectively prevent the first positioning block and the second positioning block from continuing to move; after the main shaft of the mechanism rotates to the grounding position, the first positioning roller and the second positioning roller respectively prevent the first positioning block and the second positioning block from continuing to move.
Adopt above-mentioned further beneficial effect to do: when the switch-on operation and the grounding operation are carried out, the matched switch can be accurately stopped at the switch-on position, the switch-off position or the grounding position, and meanwhile, the switching over range can be avoided.
And the opening and closing indication board is arranged outside the frame and is fixed with one end of the mechanism main shaft.
Adopt above-mentioned further beneficial effect to do: when the mechanism main shaft rotates, the opening and closing indication board rotates along with the mechanism main shaft, so that an operator can visually know the opening and closing state.
Drawings
FIG. 1 is a structural diagram of the compact three-position isolation mechanism of the present invention;
fig. 2 is a state diagram of the compact three-station isolation mechanism of the present invention in the opening state;
fig. 3 is a state diagram of the compact three-station isolation mechanism of the present invention in closing;
fig. 4 is a state diagram of the compact three-station isolation mechanism in the ground connection.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the frame, 2, main power spring, 3, the isolation connecting rod, 4, the ground connection connecting rod, 5, the isolation operating axis, 6, the isolation transmission shaft, 7, the mechanism main shaft, 8, the ground connection operating axis, 9, the ground connection transmission shaft, 10, the isolation driving gear, 11, the isolation driven gear, 12, the ground connection driven gear, 13, the isolation track board, 14, the ground connection track board, 15, the main shaft board, 16, first locating block, 17, the second locating block, 18, first locating roller, 19, the second locating roller, 20, the third locating roller, 21, the fourth locating roller, 22, divide-shut brake sign.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1 to 4, a compact three-station isolation mechanism includes: the device comprises a frame 1, a main force spring 2, an isolation connecting rod 3 and a grounding connecting rod 4;
the frame 1 is provided with an isolation operation shaft 5, an isolation transmission shaft 6, a mechanism main shaft 7, a grounding operation shaft 8 and a grounding transmission shaft 9, wherein the isolation operation shaft 5 is rotatably connected with the frame 1, the isolation transmission shaft 6 is rotatably connected with the frame 1, the mechanism main shaft 7 is rotatably connected with the frame 1, the grounding operation shaft 8 is rotatably connected with the frame 1, the grounding transmission shaft 9 is rotatably connected with the frame 1, and the isolation operation shaft 5, the isolation transmission shaft 6, the mechanism main shaft 7, the grounding operation shaft 8 and the grounding transmission shaft 9 are sequentially distributed from top to bottom;
an isolation driving gear 10 and an isolation driven gear 11 are respectively and fixedly arranged on the isolation operation shaft 5 and the isolation transmission shaft 6, and the isolation driving gear 10 is meshed with the isolation driven gear 11;
a grounding driving gear and a grounding driven gear 12 are respectively and fixedly arranged on the grounding operating shaft 8 and the grounding transmission shaft 9, and the grounding driving gear is meshed with the grounding driven gear 12;
an isolation track plate 13, a grounding track plate 14 and a main shaft plate 15 are respectively and fixedly arranged on the isolation transmission shaft 6, the grounding transmission shaft 9 and the mechanism main shaft 7;
one end of the isolating connecting rod 3 is in sliding fit with the track groove on the isolating track plate 13, namely one end of the isolating connecting rod 3 can slide in the track groove on the isolating track plate 13 and is not separated from the isolating track plate 13, and the other end of the isolating connecting rod 3 is rotatably connected with the main shaft plate 15;
one end of the grounding connecting rod 4 is in sliding fit with the track groove on the grounding track plate 14, namely one end of the grounding connecting rod 4 can slide in the track groove on the grounding track plate 14 and is not separated from the grounding track plate 14, and the other end of the grounding connecting rod 4 is rotatably connected with the main shaft plate 15;
two ends of the main force spring 2 are respectively connected with the isolation transmission shaft 6 and the grounding transmission shaft 9 in a rotating way.
Example 2
This embodiment is a further improvement on embodiment 1, and specifically includes the following steps:
a limiting mechanism which prevents the main shaft plate 15 from continuously moving after the main shaft 7 of the mechanism rotates to a switching-on position and a connecting position respectively is arranged between the frame 1 and the main shaft plate 15, so that whether the switching is in place or not can be accurately known when the stations are switched.
Example 3
As shown in fig. 2, fig. 3, and fig. 4, this embodiment is a further improvement on embodiment 1 or 2, and specifically includes the following steps:
stop gear includes: a first positioning block 16, a second positioning block 17, a first positioning roller 18, a second positioning roller 19, a third positioning roller 20 and a fourth positioning roller 21;
the first positioning block 16 and the second positioning block 17 are respectively rotatably mounted at two ends of the main shaft plate 15 at a certain angle; generally, the first positioning block 16 is rotatably mounted on the main shaft plate 15 through a pin, the second positioning block 17 is rotatably mounted on the main shaft plate 15 through a pin, a torsion spring is mounted on the pin, the first positioning block 16 and the second positioning block 17 are rotatably connected with the main shaft plate 15 at a certain angle, and the torsion spring plays a role in resetting;
the first positioning roller 18 and the second positioning roller 19 are positioned above the mechanism main shaft 7, and the first positioning roller 18 and the second positioning roller 19 are respectively fixed on the frame 1;
the third positioning roller 20 and the fourth positioning roller 21 are positioned below the mechanism main shaft 7, and the third positioning roller 20 and the fourth positioning roller 21 are respectively fixed on the frame 1;
as shown in fig. 2, 3, and 4, the first positioning roller 18 is located at the upper left of the mechanism spindle 7, the second positioning roller 19 is located at the upper right of the mechanism spindle 7, the third positioning roller 20 is located at the lower right of the mechanism spindle 7, and the fourth positioning roller 21 is located at the lower left of the mechanism spindle 7;
after the mechanism main shaft 7 rotates to the brake separating position, the second positioning roller 19 and the third positioning roller 20 respectively prevent the first positioning block 16 and the second positioning block 17 from continuing to move;
after the mechanism main shaft 7 rotates to the switching-on position, the third positioning roller 20 and the fourth positioning roller 21 respectively prevent the first positioning block 16 and the second positioning block 17 from continuing to move;
after the main shaft 7 of the mechanism rotates to the next position, the first positioning roller 18 and the second positioning roller 19 respectively prevent the first positioning block 16 and the second positioning block 17 from continuing to move.
Example 4
As shown in fig. 1, this embodiment is a further improvement on the basis of embodiment 1, 2 or 3, and specifically includes the following steps:
the compact three-station isolation mechanism further comprises a switch-on/off indication board 22, the switch-on/off indication board 22 is arranged on the outer side of the frame 1, the switch-on/off indication board 22 is fixed to one end of the mechanism main shaft 7, and when the mechanism main shaft 7 rotates, the switch-on/off indication board 22 rotates along with the mechanism main shaft so that an operator can visually know the switch-on/off state.
The working process is as follows:
closing operation:
the operation isolation operation shaft 5 drives the isolation driven gear 11 to rotate through the isolation driving gear 10, so that the isolation transmission shaft 6 is driven to rotate anticlockwise, the main force spring 2 is compressed, the main force spring 2 drives the main shaft plate 15 and the mechanism main shaft 7 to rotate through the isolation connecting rod 3 after passing through a critical point, when the mechanism main shaft 7 rotates to a switching-on position, the third positioning roller 20 and the fourth positioning roller 21 prevent the first positioning block 16 and the second positioning block 17 from continuing to move, the mechanism is switched on, and the isolation operation shaft 5 is operated reversely after the switching-on position, so that the mechanism is switched off.
And (3) grounding operation:
the grounding operation shaft 8 is operated to drive the grounding driven gear 12 to rotate through the grounding driving gear, so as to drive the grounding transmission shaft 9 to rotate clockwise, meanwhile, the main force spring 2 is compressed, after the main force spring 2 passes through a critical point, the main shaft plate 15 and the mechanism main shaft 7 are driven to rotate through the grounding connecting rod 4, when the mechanism main shaft 7 rotates to a grounding position, the first positioning roller 18 and the second positioning roller 19 prevent the first positioning block 16 and the second positioning block 17 from continuing to move, and the mechanism is grounded. After the mechanism is grounded, the grounding operation shaft 8 is operated reversely to open the mechanism.
While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. A compact three-station isolation mechanism, comprising: the mechanism comprises a frame (1), a main force spring (2), an isolation connecting rod (3) and a grounding connecting rod (4), wherein the frame (1) is sequentially provided with an isolation operating shaft (5), an isolation transmission shaft (6), a mechanism main shaft (7), a grounding operating shaft (8) and a grounding transmission shaft (9) in a rotating mode from top to bottom, the isolation operating shaft (5) and the isolation transmission shaft (6) are respectively and fixedly provided with an isolation driving gear (10) and an isolation driven gear (11), and the isolation driving gear (10) is meshed with the isolation driven gear (11); a grounding driving gear and a grounding driven gear (12) are respectively and fixedly arranged on the grounding operating shaft (8) and the grounding transmission shaft (9), and the grounding driving gear is meshed with the grounding driven gear (12); an isolation track plate (13), a grounding track plate (14) and a main shaft plate (15) are respectively and fixedly arranged on the isolation transmission shaft (6), the grounding transmission shaft (9) and the mechanism main shaft (7); one end of the isolation connecting rod (3) is in sliding fit with a track groove in the isolation track plate (13), and the other end of the isolation connecting rod (3) is rotatably connected with the main shaft plate (15); one end of the grounding connecting rod (4) is in sliding fit with a track groove in a grounding track plate (14), and the other end of the grounding connecting rod (4) is rotatably connected with the main shaft plate (15); and two ends of the main force spring (2) are respectively and rotatably connected with the isolation transmission shaft (6) and the grounding transmission shaft (9).
2. The compact three-station isolation mechanism of claim 1, wherein: and a limiting mechanism which prevents the main shaft plate (15) from continuously moving after the mechanism main shaft (7) respectively rotates to a switching-on position and a ground connecting position is arranged between the frame (1) and the main shaft plate (15).
3. A compact three-position isolation mechanism as defined in claim 2, wherein: the stop gear includes: the positioning device comprises a first positioning block (16), a second positioning block (17), a first positioning roller (18), a second positioning roller (19), a third positioning roller (20) and a fourth positioning roller (21), wherein the first positioning block (16) and the second positioning block (17) are respectively rotatably arranged at two end parts of a main shaft plate (15) at a certain angle; the first positioning roller (18) is positioned at the upper left of the mechanism main shaft (7), the second positioning roller (19) is positioned at the upper right of the mechanism main shaft (7), and the first positioning roller (18) and the second positioning roller (19) are respectively fixed on the frame (1); the third positioning roller (20) is positioned at the lower right of the mechanism main shaft (7), the fourth positioning roller (21) is positioned at the lower left of the mechanism main shaft (7), and the third positioning roller (20) and the fourth positioning roller (21) are respectively fixed on the frame (1); after the mechanism main shaft (7) rotates to the switching-on position, the third positioning roller (20) and the fourth positioning roller (21) respectively prevent the first positioning block (16) and the second positioning block (17) from continuously moving; after the mechanism main shaft (7) rotates to the grounding position, the first positioning roller (18) and the second positioning roller (19) respectively prevent the first positioning block (16) and the second positioning block (17) from continuously moving.
4. The compact three-station isolation mechanism of claim 1, wherein: still include divide-shut brake sign (22), divide-shut brake sign (22) are arranged frame (1) outside, divide-shut brake sign (22) with the one end of mechanism main shaft (7) is fixed mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295958.0U CN217655787U (en) | 2022-08-31 | 2022-08-31 | Compact three-station isolation mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222295958.0U CN217655787U (en) | 2022-08-31 | 2022-08-31 | Compact three-station isolation mechanism |
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| Publication Number | Publication Date |
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| CN217655787U true CN217655787U (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222295958.0U Active CN217655787U (en) | 2022-08-31 | 2022-08-31 | Compact three-station isolation mechanism |
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| CN (1) | CN217655787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117198798A (en) * | 2023-10-23 | 2023-12-08 | 瓯越电力科技有限公司 | Double-spring operating mechanism |
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2022
- 2022-08-31 CN CN202222295958.0U patent/CN217655787U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117198798A (en) * | 2023-10-23 | 2023-12-08 | 瓯越电力科技有限公司 | Double-spring operating mechanism |
| CN117198798B (en) * | 2023-10-23 | 2024-05-31 | 瓯越电力科技有限公司 | Double-spring operating mechanism |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A compact three station isolation mechanism Effective date of registration: 20230920 Granted publication date: 20221025 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HOLIC ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2023980057571 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |