CN201877342U - High voltage load switch - Google Patents
High voltage load switch Download PDFInfo
- Publication number
- CN201877342U CN201877342U CN2010206262024U CN201020626202U CN201877342U CN 201877342 U CN201877342 U CN 201877342U CN 2010206262024 U CN2010206262024 U CN 2010206262024U CN 201020626202 U CN201020626202 U CN 201020626202U CN 201877342 U CN201877342 U CN 201877342U
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- CN
- China
- Prior art keywords
- main shaft
- high voltage
- switch
- voltage load
- load switch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a high voltage load switch, which belongs to an electric appliance device of a high-voltage power supply. The high voltage load switch comprises a switch framework, a plurality of groups of switch units and a main shaft, wherein the switch unit comprises an insulator, a moving blade, a static contact and an arc chute; the main shaft is installed on the switch framework; one end of the static contact is connected with the arc chute; the main shaft is made from insulating material; the moving blade is installed on the main shaft; the other end of the static contact is connected with the insulator; and the moving blade is arranged below the right side of the static contact. The high voltage load switch has the advantages that an insulating main shaft replaces an existing metal main shaft to be combined with an insulating pull rod, the problems that the structure of the existing high voltage load switch is complex, the insulating property is poor and the existing high voltage load switch is inconvenient to install, and the high voltage load switch has simple structure and good insulating property, and is convenient to install.
Description
Technical field
The utility model relates to the electric device of high voltage source, refers to a kind of high voltage load switch especially.
Background technology
High voltage load switch is a kind of simple arc-control device that has, can certain load current and the overload electric current of break-make.But it can not cut-off short circuit current, and it can directly cut-off the load of little load current, or its use of connecting with high-tension fuse, carries out short-circuit protection by fuse.
As shown in Figure 1, the tradition on-load switch comprises switch framework 1 ', some groups of switch elements and main shaft 5 ', every group of switch element comprises insulator 2 ', cutting blade 3 ', insulated tension pole 4 ', fixed contact 6 ' and arc-chute 7 ', main shaft 5 ' is arranged on the switch framework 1 ', main shaft 5 ' the outer insulating case 51 ' that is provided with, it is hinged that each organizes an end and the insulating case 51 ' of insulated tension pole 4 ' of switch element, each insulator 2 ' of organizing switch element is placed through on the switch framework 1 ', insulator 2 ' is hinged with cutting blade 3 ', cutting blade 3 ' the outer insulating case 31 ' that is provided with, insulating case 31 ' is hinged with the other end of insulated tension pole 4 ', fixed contact 6 ' is connected with arc-chute 7 ', fixed contact 6 ' is arranged at below, cutting blade 3 ' right side, its operation principle is: drive master metal axle 5 ' by the operating mechanism transmission and rotate, the insulated tension pole 4 ' that metal main shaft 5 ' outer insulating case 51 ' drives each switch element rotates, insulated tension pole 4 ' drives cutting blade 3 ' action, realize the separating brake of on-load switch by the operating position of cutting blade 3 ', the action of combined floodgate and ground connection, this kind architecture complexity, it is poor slightly that inconvenience and insulating properties are installed.
The utility model content
The purpose of this utility model is to provide a kind of high voltage load switch, and it is simple in structure, easy for installation, good insulating, fail safe are higher.
To achieve these goals, technical solution of the present utility model is: a kind of high voltage load switch, comprise switch framework, some groups of switch elements and main shaft, the described switch element of respectively organizing comprises insulator, cutting blade, fixed contact and arc-chute, described main shaft is installed on the switch framework, one end of described fixed contact is connected with arc-chute, wherein said main shaft is made by insulating material, described cutting blade is installed on the main shaft, the other end of described fixed contact is connected with insulator, and described cutting blade is arranged at the below, right side of fixed contact.
The utility model high voltage load switch, wherein said main shaft is connected and composed successively by preceding axle head, several insulation main shafts and back axle head, described insulation main shaft is a tubulose, and described insulation main shaft inner chamber is provided with some reinforcements, and described insulation outerface of spindle upper end is provided with the bearing that cutting blade is installed.
The utility model high voltage load switch connects by spline between wherein said forward and backward axle head and the insulation main shaft.
The utility model high voltage load switch, the wherein said insulation outerface of spindle is provided with connecting hole, the inwall of described switch framework be provided with several with the insulation main shaft the corresponding back-up block of quantity, described back-up block be installed on respectively the insulation main shaft connecting hole in.
The utility model high voltage load switch, wherein said main shaft is made by the PC molding.
The utility model high voltage load switch is equipped with axle sleeve between wherein said switch framework and the main shaft.
After adopting such scheme, the main shaft of the utility model high voltage load switch adopts insulating material to make and cutting blade directly is installed on the main shaft, reduced link like this, designs simplification is easy for installation, and the spindle insulating that the spindle insulating that insulating material is made is made than metal material and insulating material is better, and fail safe is higher.
Description of drawings
Fig. 1 is the structural representation of existing high voltage load switch;
Fig. 2 is the structural representation of the utility model high voltage load switch;
Fig. 3 is the right TV structure schematic diagram of the utility model high voltage load switch;
Fig. 4 is the main axle structure schematic diagram of the utility model high voltage load switch.
Below in conjunction with accompanying drawing, the utility model is described further by embodiment.
Embodiment
See also Fig. 2 and shown in Figure 3, the utility model high voltage load switch comprises switch framework 1, main shaft 4 and some groups of switch elements compositions, every group of switch element comprises insulator 2, cutting blade 3, fixed contact 5 and arc-chute 6, main shaft 4 is installed on the switch framework 1, between switch framework 1 and the main shaft 4 axle sleeve 8 is housed;
Consult shown in Figure 4, main shaft 4 is made by insulating material PC molding, main shaft 4 is connected and composed by spline successively by preceding axle head 41, several insulation main shafts 42 and back axle head 43, insulation main shaft 42 is a tubulose, the inner chamber of insulation main shaft 42 is provided with some reinforcements 421, insulation main shaft 42 outer surfaces upper end is provided with bearing 422, every group of cutting blade 3 is installed on respectively on the bearing 422, one end of every group of fixed contact 5 is connected with arc-chute 6, the other end of fixed contact 5 is connected with insulator 2, and cutting blade 3 is arranged at the below, right side of fixed contact 5.Insulation main shaft 42 outer surfaces are provided with connecting hole 423, and the inwall of switch framework 1 is provided with several and the corresponding back-up block (not shown) of quantity of insulation main shaft 42, and back-up block is installed on respectively in the connecting hole 423 of the main shaft 42 that insulate.
During use, driving main shaft 4 by the operating mechanism transmission rotates, main shaft 4 drives cutting blade 3 actions of respectively organizing switch element, realize the action of separating brake, combined floodgate and the ground connection of on-load switch by the operating position of cutting blade 3, the utility model high voltage load switch adopts composite type insulation main shaft 4, conventional metals main shaft and insulated tension pole have been replaced, simpler on the structure, insulation property are better, owing to adopt the mode of a few part splicings, replace finishing product processing by several little moulds, greatly reduce the cost of product by a big mould; The utility model simple installation, reliable in action, volume is little, and is in light weight; Splicing place adopts spline to connect, and has both guaranteed the intensity of junction, has also well guaranteed the synchronism of moving between several parts.
The above embodiment instrument instrument is that preferred implementation of the present utility model is described; 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 (6)
1. high voltage load switch, comprise switch framework (1), some groups of switch elements and main shaft (4), the described switch element of respectively organizing comprises insulator (2), cutting blade (3), fixed contact (5) and arc-chute (6), described main shaft (4) is installed on the switch framework (1), each end of organizing described fixed contact (5) is connected with arc-chute (6), it is characterized in that: described main shaft (4) is made by insulating material, each is organized described cutting blade (3) and is installed on the main shaft (4), the other end of described fixed contact (5) is connected with insulator (2), and described cutting blade (3) is arranged at the below, right side of fixed contact (5).
2. high voltage load switch as claimed in claim 1, it is characterized in that: described main shaft (4) is connected and composed successively by preceding axle head (41), several insulation main shafts (42) and back axle head (43), described insulation main shaft (42) is a tubulose, described insulation main shaft (42) inner chamber is provided with some reinforcements (421), and described insulation main shaft (42) outer surface upper end is provided with the bearing (422) that cutting blade is installed.
3. high voltage load switch as claimed in claim 2 is characterized in that: connect by spline between described forward and backward axle head (41,43) and the insulation main shaft (42).
4. high voltage load switch as claimed in claim 3, it is characterized in that: described insulation main shaft (42) outer surface is provided with connecting hole (423), the inwall of described switch framework (1) be provided with several with the insulation main shaft (42) the corresponding back-up block of quantity, described back-up block be installed on respectively the insulation main shaft (42) connecting hole (423) in.
5. as the described high voltage load switch of one of claim 1 to 4, it is characterized in that: described main shaft (4) is made by the PC molding.
6. high voltage load switch as claimed in claim 5 is characterized in that: between described switch framework (1) and the main shaft (4) axle sleeve (8) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206262024U CN201877342U (en) | 2010-11-25 | 2010-11-25 | High voltage load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206262024U CN201877342U (en) | 2010-11-25 | 2010-11-25 | High voltage load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877342U true CN201877342U (en) | 2011-06-22 |
Family
ID=44165254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206262024U Expired - Fee Related CN201877342U (en) | 2010-11-25 | 2010-11-25 | High voltage load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646815A (en) * | 2013-12-05 | 2014-03-19 | 北京双杰电气股份有限公司 | Multi-station conversion load switch |
-
2010
- 2010-11-25 CN CN2010206262024U patent/CN201877342U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646815A (en) * | 2013-12-05 | 2014-03-19 | 北京双杰电气股份有限公司 | Multi-station conversion load switch |
| CN103646815B (en) * | 2013-12-05 | 2016-01-13 | 北京双杰电气股份有限公司 | Multi-station conversion load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20191125 |