CN202662520U - Load switch of 24-KV inflating cabinet - Google Patents
Load switch of 24-KV inflating cabinet Download PDFInfo
- Publication number
- CN202662520U CN202662520U CN 201220216465 CN201220216465U CN202662520U CN 202662520 U CN202662520 U CN 202662520U CN 201220216465 CN201220216465 CN 201220216465 CN 201220216465 U CN201220216465 U CN 201220216465U CN 202662520 U CN202662520 U CN 202662520U
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- main shaft
- grounding
- load switch
- contacts
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Abstract
The utility model provides a load switch of a 24-KV inflating cabinet and belongs to the technical field of an electric switch. The load switch comprises a switch framework and the switch framework comprises upper and lower contact supports, and front and rear panels; the upper and lower contact supports are respectively connected with three upper and lower conductive rods; all the upper and lower conductive rods correspond up and down; the lower end of each upper conductive rod is connected with an upper static contact and the upper end of each lower conductive rod is connected with a lower static contact; a grounding connecting plate is arranged between the upper parts of the left sides of the front and back panels; the inner side face of the grounding connecting plate is connected with three grounding contacts; a connection wire between a suspended end of each grounding contact and a grounding contact end of each lower static contact is vertical and penetrates through an axis wire of a main shaft; the main shaft is supported on the front and rear panels; the main shaft is vertically connected with three movable contacts at intervals; when a gate is closed, the two ends of each movable contact are respectively contacted with the upper and lower static contacts; and when the main shaft rotates in a clockwise direction, the two ends of each movable contact can be respectively contacted with each lower static contact and each grounding contact. The load switch of the 24-KV inflating cabinet has the advantages of simple structure, fewer parts, small volume, simple arrangement and reduced volume of a box body for placing the load switch; and the construction cost is saved.
Description
Technical field
The utility model relates to a kind of electric switch technical field, espespecially a kind of 24KV inflatable cabinet load switch.
Background technology
The alternate centre-to-centre spacing of existing gas isolated 24KV inflatable cabinet load switch is larger, and single-phase volume is also larger, so its integral body is bigger than normal, and when being installed in the gas-filling cabinet, the volume of stainless steel gas tank is relatively just large, and manufacturing cost is increased.
The utility model content
The purpose of this utility model is to provide a kind of 24KV inflatable cabinet load switch, and its parts simple in structure are few, the small and exquisite layout of overall volume is succinct so that place its box volume and greatly reduce, and saved cost.
To achieve these goals, technical solution of the present utility model is: a kind of 24KV inflatable cabinet load switch, comprise the main shaft by operating mechanism control, wherein also comprise the switch skeleton, described switch skeleton comprise by insulating material make upper, lower contact bearing and being connected in, before the lower contact bearing, the front panel that the metal material of rear side is made and rear board, on described, by vertical behind the forward direction and interval three upper conducting rods and three lower conducting rods are installed respectively on the lower contact bearing, three described upper conducting rods are corresponding up and down with three lower conducting rods, the lower end of three described upper conducting rods connects respectively three upper static contacts, the top of three described lower conducting rods is respectively equipped with lower fixed contact, described lower fixed contact is by the lower stationary contact that is connected with lower conducting rod upper end, the connecting plate that tilts to the upper right side that is connected with lower stationary contact and the grounding contact end that is positioned at the connecting plate upper end consist of, three described lower fixed contacts all with before, rear board is parallel, be connected with the earth lug that metal material is made between described front panel left upper portion and the rear board left upper portion, the medial surface of described earth lug by forward direction after the interval be connected with three grounding contacts, line between the grounding contact end of suspend end and each time fixed contact of each described grounding contact is crossed the axis of main shaft, and vertical with the axis of main shaft, described main shaft is installed on, between the lower contact bearing, before the described main shaft, before the rear end is supported on respectively, on the rear board, be connected with three moving contacts by perpendicular separation behind the forward direction on the described main shaft, each described moving contact upper, the upper of main shaft passed respectively in the lower end, below, each described moving contact all passes through the axis of main shaft, the two ends of each described moving contact equal each upper static contact to the distance of main shaft to the distance of main shaft, equal the lower stationary contact of each time fixed contact, the grounding connection end equals each grounding contact to the distance of main shaft to the distance of main shaft.
The utility model 24KV inflatable cabinet load switch, the top of wherein said front panel offer the first observation window that can see upper static contact, grounding contact, and the bottom of described front panel offers the second observation window that can see lower fixed contact.
The utility model 24KV inflatable cabinet load switch, wherein said upper static contact is 20 degree-120 degree to the vertical line of main-shaft axis and the grounding contact end of lower fixed contact to the angle between the vertical line of main-shaft axis.
The utility model 24KV inflatable cabinet load switch, the front end sleeve of wherein said main shaft is on the front support packing ring, described front support packing ring is installed on the front panel, and the rear end of described main shaft is installed on rear flange and supports, and described rear flange supports and is bolted on rear board.
The utility model 24KV inflatable cabinet load switch, on the wherein said main shaft by being interval with three rectangular through-hole behind the forward direction, the center line of each described through hole is vertical with the axis of main shaft, two making leaf springs of symmetrical connection are fixed a described moving contact on the front and back walls of each described through hole between two described making leaf springs.
The utility model 24KV inflatable cabinet load switch, the symmetrical sheet metal that is in contact with one another formed before and after wherein said moving contact was by two, arc the first brace of arranging about each described sheet metal is by two respectively and the second brace that is connected between two the first braces form, on the leading flank of two the first braces of the described sheet metal in front side, on the trailing flank of two the first braces of lower end and backside metal sheet, the lower end is respectively equipped with groove, the longitudinal section of described making leaf spring is c-shaped, described making leaf spring upper, the lower end is respectively equipped with two and is left, the sheet of respectively pitching on the fork sheet of right layout, two described making leaf springs is fastened in respectively in each groove on two sheet metals.
The utility model 24KV inflatable cabinet load switch, wherein the upper and lower end of each described through hole is respectively equipped with the hole seat, the upper and lower end of two making leaf springs of the upper and lower end of each described moving contact and chucking moving contact lays respectively at the inner chamber of each hole seat, is provided with several reinforcements between described main shaft and the hole seat.
The utility model 24KV inflatable cabinet load switch, wherein three described grounding contacts are bolted respectively on described earth lug.
The utility model 24KV inflatable cabinet load switch, wherein three described upper and lower conducting rods are bolted respectively on upper and lower contact bearing.
After adopting such scheme, the utility model 24KV inflatable cabinet load switch is by the switch skeleton, the main shaft that is installed on switch skeleton inside and is rotated by operating mechanism control, be fixed in three moving contacts on the main shaft, as a switch skeleton part and for connecting, lower conducting rod upper, lower contact bearing, be connected in, upper on the lower conducting rod, lower fixed contact and the grounding contact that is installed on the earth lug medial surface form, it is simple in structure, parts are few, the small and exquisite layout of its overall volume is succinct, greatly reduce so that place its box volume, saved cost.
Description of drawings
Fig. 1 is that the utility model 24KV inflatable cabinet load switch is at the front view of closing position;
Fig. 2 is that the utility model 24KV inflatable cabinet load switch is looked cutaway view on the right side of closing position;
Fig. 3 is that the utility model 24KV inflatable cabinet load switch is at the vertical view of closing position;
Fig. 4 is that the utility model 24KV inflatable cabinet load switch is at the front view of open position;
Fig. 5 is that the utility model 24KV inflatable cabinet load switch is at the front view of earthing position;
Fig. 6 is the annexation front view between the intraskeletal main shaft of the utility model switch and the moving contact;
Fig. 7 is the annexation vertical view between the intraskeletal main shaft of the utility model switch and the moving contact;
Fig. 8 is the annexation right view between the intraskeletal main shaft of the utility model switch and the moving contact;
Fig. 9 is the sheet metal structure front view of moving contact of the present utility model;
Figure 10 is the sheet metal structure right view of moving contact of the present utility model;
Figure 11 is making leaf spring structural front view of the present utility model;
Figure 12 is making leaf spring structure side view of the present utility model.
Below in conjunction with accompanying drawing, by embodiment the utility model is described further.
Embodiment
See also Fig. 1 to shown in Figure 3, the structural representation of the utility model 24KV inflatable cabinet load switch closing position.Comprise switch skeleton 1 and the main shaft 2 of being controlled by operating mechanism.Switch skeleton 1 comprises upper contact head bearing 3, the lower contact bearing 4 of being made by insulating material and is bolted in front panel 5 and the rear board of upper contact head bearing 3, lower contact bearing 4 forward and backward sides.Three upper conducting rods 6 and lower conducting rods 7 have been bolted by vertical behind the forward direction and interval respectively on upper contact head bearing 3 and the lower contact bearing 4.Three upper conducting rods 6 are corresponding up and down with the position of three lower conducting rods 7.The inner chamber of switch skeleton 1 is stretched into respectively in the lower end of three upper conducting rods 6 and the upper end of three lower guide rods 7.The lower end of three upper conducting rods 6 connects respectively three upper static contacts 8.The top of three lower conducting rods 7 is respectively equipped with lower fixed contact 9.Lower fixed contact 9 is made of the lower stationary contact 27 that is connected with lower conducting rod 7 upper ends, the connecting plate 28 that tilts to the upper right side that is connected with lower stationary contact 27 and grounding contact end 29 one that are positioned at connecting plate 28 upper ends.Three lower fixed contacts 9 are all parallel with front and back panels.The angle of upper static contact 8 to the grounding contact end 29 of the vertical join line of main shaft 2 and lower fixed contact 9 to the vertical join line of main shaft 2 is between 20 degree, 120 degree.
The top of front panel 5 offers the first observation window 22 that can see upper static contact 8, grounding contact 10.The bottom of front panel 5 offers the second observation window 23 that can see lower fixed contact 9.Be welded with the earth lug 24 that metal material is made between front panel 5 left upper portion and the rear board left upper portion.The interval has been bolted three grounding contacts 10 after the medial surface of earth lug 24 is by forward direction.Line between the grounding contact end 29 of suspend end and each time fixed contact 9 of each grounding contact 10 is crossed the axial line of main shaft 2, and vertical with the axial line of main shaft 2.The two ends of each moving contact 12 equal each upper static contact 8 to the distance of main shaft 2 to the distance of main shaft 2, equal the lower stationary contact 27 of each time fixed contact 9, the distance that grounding contact end 29 arrives main shaft 2, equal each grounding contact 10 to the distance of main shaft 2.
In conjunction with Fig. 6, Fig. 7 and shown in Figure 8, be processed with three rectangular through-hole 13 by interval behind the forward direction on the main shaft 2.The center line of each through hole 13 is vertical with the axial line of main shaft 2.Be symmetrically connected with on the front and back walls of each through hole 13 between 14, two making leaf springs 14 of two making leaf springs and fix a moving contact 12, the upper and lower end of each moving contact 12 passes respectively the above and below of main shaft 2.The upper and lower end of each through hole 13 is connected with respectively the hole seat 25 that cross section is rectangle.The upper and lower end of two making leaf springs 14 of the upper and lower end of each moving contact 12 and chucking moving contact 12 lays respectively at the inner chamber of each hole seat 25.Be connected with several reinforcements 26 between main shaft 2 and the hole seat 25, to improve the intensity of main shaft.
In conjunction with Fig. 9 and shown in Figure 10, sheet metal 15 symmetrical and contact formed before and after moving contact 12 was by two.Arc the first brace 16 of arranging about each sheet metal 15 is by two respectively and the second brace 17 that is connected between two the first braces 16 form.Be positioned at the leading flank upper and lower end of two the first braces 16 of sheet metal 15 of front side and the trailing flank upper and lower end of two the first braces 16 that is positioned at the sheet metal 15 of rear side and be processed with respectively groove 18.In conjunction with Fig. 2 and shown in Figure 12, the longitudinal section of making leaf spring 14 is c-shaped.The upper and lower end of making leaf spring 14 is processed with respectively two fork sheets 19 that are left and right layout.The sheet 19 of respectively pitching on two making leaf springs 14 is fastened in respectively in each groove 18 on two sheet metals 15, and two sheet metals 15 are sandwiched in the middle of two making leaf springs 14.
During combined floodgate, with reference to shown in Figure 1, the upper end of three moving contacts 12 contacts with three upper static contacts 8 respectively, and the lower end of three moving contacts 12 contacts with the link of three lower fixed contacts 9 respectively.
When main shaft 2 clockwise rotates about 50-60 and spends under the operating mechanism effect, three moving contacts 12 that main shaft 2 drives on it clockwise rotate the 50-60 degree, the upper end of three moving contacts 12 breaks away from the lower fixed contact 9 of lower end disengaging of 8, three moving contacts 12 of three upper static contacts at this moment.As shown in Figure 4, this moment, on-load switch became open position by closing position.
When main shaft 2 continued to clockwise rotate, the two ends of three moving contacts 12 can contact with grounding contact end 29 and three grounding contacts 10 of three lower fixed contacts 9 respectively.As shown in Figure 5, this moment, on-load switch became earthing position by open position.
When the operating mechanism action, drive main shaft 2 and rotate counterclockwise about 5060 when spending, when being position shown in Figure 4, the two ends of three moving contacts 12 on the main shaft 2 break away from respectively three grounding contacts 10 and lower fixed contact 9, make on-load switch become open position by earthing position.
When the operating mechanism action, when drive main shaft 2 continued to rotate counterclockwise, the two ends of three moving contacts 12 on the main shaft 2 contacted with three upper static contacts 8 with three lower fixed contacts 9 respectively.At this moment as shown in Figure 1, for on-load switch becomes closing position by open position.
The utility model 24KV inflatable cabinet load switch is by switch skeleton 1, the main shaft 2 that is installed on switch skeleton 1 inside and is rotated by operating mechanism control, be fixed in three moving contacts 12 on the main shaft 2, as switch skeleton 1 part and for the upper contact head bearing 3 that connects upper conducting rod 6, the lower contact bearing 4 that connects lower conducting rod 7, be connected in the upper static contact 8 on the conducting rod 6, the grounding contact 10 that is connected in the lower fixed contact 9 on the lower conducting rod 7 and is installed on earth lug 24 medial surfaces forms, it is simple in structure, parts are few, the small and exquisite layout of its overall volume is succinct, greatly reduce so that place its box volume, saved cost.And the first observation window 22 and the second observation window 23 are set on the plate 5 in front, can just can not see three service positions of this 24KV inflatable cabinet load switch by outer light source, i.e. closing position, open position and earthing position.
The above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection range of claims of the present utility model.
Claims (9)
1. 24KV inflatable cabinet load switch, comprise the main shaft (2) by operating mechanism control, it is characterized in that: also comprise switch skeleton (1), described switch skeleton (1) comprise by insulating material make upper, lower contact bearing (3,4) and be connected in, lower contact bearing (3,4) front, the front panel that the metal material of rear side is made (5) and rear board, on described, lower contact bearing (3,4) by vertical behind the forward direction and interval three upper conducting rods (6) and three lower conducting rods (7) are installed respectively on, three described upper conducting rods (6) are corresponding up and down with three lower conducting rods (7), the lower end of three described upper conducting rods (6) connects respectively three upper static contacts (8), the top of three described lower conducting rods (7) is respectively equipped with lower fixed contact (9), described lower fixed contact (9) is by the lower stationary contact (27) that is connected with lower conducting rod (7) upper end, the connecting plate (28) that tilts to the upper right side that is connected with lower stationary contact (27) and the grounding contact end (29) that is positioned at connecting plate (28) upper end consist of, three described lower fixed contacts (9) all with before, rear board is parallel, be connected with the earth lug (24) that metal material is made between described front panel (5) left upper portion and the rear board left upper portion, the medial surface of described earth lug (24) by forward direction after the interval be connected with three grounding contacts (10), line between the grounding contact end (29) of suspend end and each time fixed contact (9) of each described grounding contact (10) is crossed the axis of main shaft (2), and vertical with the axis of main shaft (2), described main shaft (2) is installed on, lower contact bearing (3,4) between, before the described main shaft (2), before the rear end is supported on respectively, on the rear board, described main shaft (2) is upper to be connected with three moving contacts (12) by perpendicular separation behind the forward direction, each described moving contact (12) upper, the upper of main shaft (2) passed respectively in the lower end, below, each described moving contact (12) all passes through the axis of main shaft (2), the two ends of each described moving contact (12) equal each upper static contact (8) to the distance of main shaft (2) to the distance of main shaft (2), equal the lower stationary contact (27) of each time fixed contact (9), grounding connection end (29) equals each grounding contact (10) to the distance of main shaft (2) to the distance of main shaft (2).
2. 24KV inflatable cabinet load switch as claimed in claim 1, it is characterized in that: the top of described front panel (5) offers the first observation window (22) that can see upper static contact (8), grounding contact (10), and the bottom of described front panel (5) offers the second observation window (23) that can see lower fixed contact (9).
3. 24KV inflatable cabinet load switch as claimed in claim 2 is characterized in that: described upper static contact (8) is 20 degree-120 degree to the vertical line of main shaft (2) axis and the grounding contact end (29) of lower fixed contact (9) to the angle between the vertical line of main shaft (2) axis.
4. 24KV inflatable cabinet load switch as claimed in claim 3, it is characterized in that: the front end sleeve of described main shaft (2) is on front support packing ring (20), described front support packing ring (20) is installed on the front panel (5), the rear end of described main shaft (2) is installed on rear flange and supports on (21), and described rear flange supports (21) and is bolted on rear board.
5. 24KV inflatable cabinet load switch as claimed in claim 4, it is characterized in that: described main shaft (2) is upper by being interval with three rectangular through-hole (13) behind the forward direction, the center line of each described through hole (13) is vertical with the axis of main shaft (2), symmetrical two making leaf springs (14) that connect are fixed a described moving contact (12) on the front and back walls of each described through hole (13) between two described making leaf springs (14).
6. 24KV inflatable cabinet load switch as claimed in claim 5, it is characterized in that: the symmetrical sheet metal that is in contact with one another (15) formed before and after described moving contact (12) was by two, arc the first brace (16) of arranging about each described sheet metal (15) is by two respectively and the second brace (17) that is connected between two the first braces (16) form, on the leading flank of two first braces (16) of the described sheet metal in front side (15), on the trailing flank of two first braces (16) of lower end and backside metal sheet (15), the lower end is respectively equipped with groove (18), the longitudinal section of described making leaf spring (14) is c-shaped, described making leaf spring (14) upper, the lower end is respectively equipped with two and is left, the fork sheet (19) of right layout, the sheet (19) of respectively pitching on two described making leaf springs (14) is fastened in respectively in each groove (18) on two sheet metals (15).
7. 24KV inflatable cabinet load switch as claimed in claim 6, it is characterized in that: the upper and lower end of each described through hole (13) is respectively equipped with hole seat (25), the upper and lower end of two making leaf springs (14) of the upper and lower end of each described moving contact (12) and chucking moving contact (12) lays respectively at the inner chamber of each hole seat (25), is provided with several reinforcements (26) between described main shaft (2) and the hole seat (25).
8. 24KV inflatable cabinet load switch as claimed in claim 7, it is characterized in that: three described grounding contacts (10) are bolted respectively on described earth lug (24).
9. 24KV inflatable cabinet load switch as claimed in claim 8, it is characterized in that: three described upper and lower conducting rods (6,7) are bolted respectively on upper and lower contact bearing (3,4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216465 CN202662520U (en) | 2012-05-14 | 2012-05-14 | Load switch of 24-KV inflating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220216465 CN202662520U (en) | 2012-05-14 | 2012-05-14 | Load switch of 24-KV inflating cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662520U true CN202662520U (en) | 2013-01-09 |
Family
ID=47457406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220216465 Withdrawn - After Issue CN202662520U (en) | 2012-05-14 | 2012-05-14 | Load switch of 24-KV inflating cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683091A (en) * | 2012-05-14 | 2012-09-19 | 北京合锐清合电气有限公司 | 24KV inflatable cabinet load switch |
-
2012
- 2012-05-14 CN CN 201220216465 patent/CN202662520U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102683091A (en) * | 2012-05-14 | 2012-09-19 | 北京合锐清合电气有限公司 | 24KV inflatable cabinet load switch |
| CN102683091B (en) * | 2012-05-14 | 2014-09-10 | 北京合锐清合电气有限公司 | 24KV inflatable cabinet load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: 24KV inflatable cabinet load switch Effective date of registration: 20140103 Granted publication date: 20130109 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: Beijing Precision Power Technology Co., Ltd.| Beijing Precision Electric Co., Ltd. Registration number: 2014990000004 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20140910 |
|
| RGAV | Abandon patent right to avoid regrant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: 24KV inflatable cabinet load switch Effective date of registration: 20140103 Granted publication date: 20130109 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: Beijing Precision Power Technology Co., Ltd.| Beijing Precision Electric Co., Ltd. Registration number: 2014990000004 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150514 Granted publication date: 20130109 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: Beijing all powerful electric power Co., Ltd.| Beijing, China, Polytron Technologies Inc Registration number: 2014990000004 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20150514 Registration number: 2014990000004 Pledgor after: Beijing all powerful electric power Co., Ltd. Pledgor after: Beijing, China, Polytron Technologies Inc Pledgor before: Beijing Precision Power Technology Co., Ltd. Pledgor before: Beijing Precision Electric Co., Ltd. |