CN201490079U - Permanent magnetic 35KV vacuum circuit breaker - Google Patents
Permanent magnetic 35KV vacuum circuit breaker Download PDFInfo
- Publication number
- CN201490079U CN201490079U CN2009201459809U CN200920145980U CN201490079U CN 201490079 U CN201490079 U CN 201490079U CN 2009201459809 U CN2009201459809 U CN 2009201459809U CN 200920145980 U CN200920145980 U CN 200920145980U CN 201490079 U CN201490079 U CN 201490079U
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- buffer
- vacuum circuit
- operating mechanism
- insulated
- insulated column
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Abstract
The utility model discloses a permanent magnetic 35KV vacuum circuit breaker, comprising three vacuum circuit breaker main bodies and a corresponding permanent magnetic operating mechanism, wherein each vacuum circuit breaker main body comprises a vacuum arc extinguish chamber, a moving contact, a fixed contact and an insulated pull rod connected with the moving contact; the bottom of the insulated pull rod is connected with the operating mechanism; the insulated pull rod driven by the operating mechanism does linear motion along vertical direction; the permanent magnetic operating mechanism comprises a permanent magnetic driving mechanism and a main shaft; the insulated pull rod comprises an insulated post, a support device arranged at the upper end of the insulated post and connected with the moving contact, and a pull rod arranged at the lower end of the insulated post and connected with the operating mechanism; the support device comprises a support rod fixedly connected with the moving contact and a buffer fixed at the top end of the insulated post; the lower end of the support rod is fixedly connected with a buffer shaft of the buffer; the main shaft is provided with a buffer crank arm and an auxiliary buffer having a sliding shaft; the auxiliary buffer is arranged below the main shaft; and the buffer crank arm is rotatably connected with the sliding shaft of the auxiliary buffer. The permanent magnetic 35KV vacuum circuit breaker simplifies the operating mechanism of the traditional 35KV vacuum circuit breaker and enhances overall reliability and stability simultaneously.
Description
Technical field
The utility model belongs to the high-pressure vacuum breaker technical field, is specifically related to a kind of magneto 35KV vacuum circuit-breaker.
Background technology
Chinese patent 200620004381.1 discloses a kind of permanent magnetism indoor high-voltage vacuum circuit breaker, from its accompanying drawing as can be seen, comprises three vacuum circuit breaker body and a magneto operating mechanism; Described each vacuum circuit breaker body comprises vacuum interrupter, moving contact, quiet hoe, the insulated tension pole that links to each other with moving contact; Described magneto operating mechanism comprises that three transmission components, one are used for driving main shaft that the corresponding insulation pull bar moves up and down, one by runner assembly and are used for permanent magnet type drive mechanism and two disjunction spring assemblies that driving main shaft is rotated; Described permanent magnet type drive mechanism comprises drive rod, and the lower end of described drive rod drives connecting lever by one and drives described main shaft rotation; Described transmission component comprises transmission crank arm, connecting lever connecting plate, transmission arm, alignment pin; Described transmission crank arm is fixed on the main shaft; One end and the transmission crank arm of described connecting lever connecting plate is rotationally connected, an end of the other end and transmission arm is rotationally connected, the other end of described transmission arm and a corresponding insulated tension pole are rotationally connected, the middle part of described transmission arm is provided with axis hole, also is provided with one between an end that is connected with the connecting lever connecting plate of described transmission arm and the axis hole and colludes hanging hole; The described alignment pin static setting of described relatively Shell of circuit breaker and pass the axis hole of each transmission arm; Described each disjunction spring assembly comprises disjunction spring-support plate, the disjunction spring that is fixed on the Shell of circuit breaker; The upper end of described disjunction spring is hooked on the described disjunction spring-support plate, and the lower end of described disjunction spring is hooked on colluding in the hanging hole on the transmission arm; The shortcoming of this structure is: disjunction spring lower end directly is hooked on the transmission arm, and its arm of force is shorter, needs to adopt the disjunction spring that big elastic force can be provided, and this has increased cost to a certain extent; In addition because the disjunction spring directly is hooked on the transmission arm, this disjunction spring is applied to the dynamic/static contact deciliter technique effect in the elastic force against vacuum breaker body on the transmission arm, has direct influence, and in same permanent-magnetic high-voltage vacuum circuit breaker, each disjunction spring is easily because of being subjected to the influence of installing and locating, bigger difference can be provided on the stretch parameter that provides, and long-term the use influences the stability and the reliability of whole magneto operating mechanism easily.
In addition, whole missions of high-pressure vacuum breaker, be the branch that is embodied in contact after all, close in the action, realize by operating mechanism and divide, close action, therefore the service behaviour of operating mechanism and the quality of quality play a part very important to the service behaviour and the reliability of circuit breaker.The operating mechanism of switchgear needs more machine components to form, and this is the cost height not only, and reliability is low, is directly proportional because the possibility that failure rate rises is a quantity with part.Operating mechanism at present commonly used has two kinds of spring mechanism and electromagnetic mechanisms.Spring operating mechanism is the spring that utilizes energy storage makes the circuit breaker action for power a operating mechanism.Spring energy-storage is normally finished by deceleration device by motor.Whole operating mechanism is broadly divided into spring energy-storage, keep and close a floodgate and combined floodgate is kept and four parts of separating brake.The advantage of spring operating mechanism is not need powerful DC power supply, and motor power (output) is little, AC/DC, suitable alternating current operation; Its shortcoming is the structure more complicated, number of spare parts many (being about 200), and require the machining accuracy height, and the manufacturing process complexity, the cost height, the reliability of mechanism is difficult for guaranteeing.
The utility model content
Technical problem underlying to be solved in the utility model is to simplify the operating mechanism of traditional 35KV vacuum circuit-breaker, improves the reliability and stability of complete machine simultaneously, and prolongs its useful life as far as possible.
For solving the problems of the technologies described above, a kind of magneto 35KV vacuum circuit-breaker of the present utility model comprises three vacuum circuit breaker main and bodies and corresponding permanent magnet type operating mechanism; Described each vacuum circuit breaker main comprises vacuum interrupter, moving contact, fixed contact and the insulated tension pole that is connected with moving contact; The bottom of described insulated tension pole is connected with described operating mechanism; Described insulated tension pole is vertically done rectilinear motion under the drive of operating mechanism; Described magneto operating mechanism comprises permanent magnet type drive mechanism and main shaft;
Its design feature is: described insulated tension pole comprises insulated column, be arranged on described insulated column upper end the bracing or strutting arrangement that links to each other with described moving contact, be arranged on the pull bar that links to each other with described operating mechanism of described insulated column lower end; Described bracing or strutting arrangement comprises the support bar of fixedlying connected with described moving contact, the buffer that is fixed on described insulated column top; Fixedly connected with the buffer shaft of described buffer in the lower end of described support bar; Described main shaft is provided with the buffering connecting lever and has the secondary buffer of slide-bar; Described secondary buffer is arranged on the below of described main shaft; The slide-bar of described buffering connecting lever and described secondary buffer is rotationally connected.
Described buffer is an oil buffer.
The upper end of described insulated column is provided with mounting groove, and the shell of described buffer is fixed in the described mounting groove.
The below of described breaker body is provided with chassis car and propulsive mechanism; Described breaker body is arranged on the propulsive mechanism, and described propulsive mechanism is arranged on the car of chassis; The bottom of described chassis car is provided with roller.
Described insulated column adopts the compression molding mode to make; Adopt in the process that the compression molding mode makes at described insulated column, with described buffer, pull bar and described insulated column by the compression molding mode part that links into an integrated entity.
The good effect that the utlity model has:
(1) in the utility model,, makes and the violent collision of generation between the dynamic and static contact can cause dynamic/static contact impaired that serious meeting causes vacuum interrupter to break if the insulated tension pole action is too violent; The utility model has adopted following structure for fear of above phenomenon takes place: described insulated tension pole comprises insulated column, be arranged on the bracing or strutting arrangement that links to each other with described moving contact of described insulated column upper end, be arranged on the pull bar that links to each other with described operating mechanism of described insulated column lower end; Described bracing or strutting arrangement comprises the support bar of fixedlying connected with described moving contact, the buffer that is fixed on described insulated column top; Fixedly connected with the buffer shaft of described buffer in the lower end of described support bar.Owing to be provided with buffer, particularly oil buffer is set after, insulated tension pole of the present utility model has buffering effect preferably in the process of moving up and down, effectively guaranteed the useful life of vacuum interrupter.In addition,, also have compact conformation, be convenient to the less advantage of installing, take up room, simplified overall structure to a certain extent, reduced manufacturing cost owing to directly buffer is arranged in the insulated tension pole assembly.
(2) in the utility model, described insulated column adopts the compression molding mode to make; Adopt in the process that the compression molding mode makes at described insulated column, with described buffer, pull bar and described insulated column by the compression molding mode part that links into an integrated entity; This structure has fastness preferably, guarantees that effectively buffer can not come off from insulated column because of vibrations.
(3) in the utility model, described main shaft is provided with the buffering connecting lever and has the secondary buffer of slide-bar; Described secondary buffer is arranged on the diapire of described breaker body and is positioned at the below of described main shaft; The slide-bar of described buffering connecting lever and described secondary buffer is rotationally connected.Buffer in this secondary buffer and the described insulated tension pole slows down the strenuous exercise of each parts in the divide-shut brake action jointly, make the rotation and the collision between the dynamic/static contact of main shaft be unlikely to undue violent, effectively guarantee the useful life of vacuum circuit breaker body.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is that permanent-magnetic high-voltage vacuum circuit breaker shown in Figure 1 is opened a kind of structural representation in control panel lid back;
Be labeled as shown in the accompanying drawing: vacuum circuit breaker main 1, magneto operating mechanism 2, permanent magnet type drive mechanism 21, main shaft 22, buffering connecting lever 221, vacuum interrupter 3, insulated tension pole 6, insulated column 61, bracing or strutting arrangement 62, support bar 621, buffer 622, buffer shaft 6221, pull bar 63, chassis car 7, roller 71, propulsive mechanism 8, secondary buffer 9.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 2 has shown a kind of embodiment of the present utility model; Wherein, Fig. 1 is a kind of structural representation of the utility model during from top view; Fig. 2 is the sectional structure schematic diagram of magneto 35KV vacuum circuit-breaker shown in Figure 1 along the A-A line.
Present embodiment is a kind of magneto 35KV vacuum circuit-breaker, sees Fig. 1 to Fig. 2, comprises three vacuum circuit breaker main 1 and bodies and corresponding permanent magnet type operating mechanism 2; Described each vacuum circuit breaker main 1 comprises vacuum interrupter 3, moving contact, fixed contact and the insulated tension pole 6 that is connected with moving contact; The bottom of described insulated tension pole 6 is connected with described operating mechanism 2; Described insulated tension pole 6 is vertically done rectilinear motion under the drive of operating mechanism 2; Described magneto operating mechanism 2 comprises permanent magnet type drive mechanism 21 and main shaft 22; Described insulated tension pole 6 comprises insulated column 61, be arranged on the bracing or strutting arrangement 62 that links to each other with described moving contact of described insulated column 61 upper ends, be arranged on the pull bar 63 that links to each other with described operating mechanism 2 of described insulated column 61 lower ends; Described bracing or strutting arrangement 62 comprises the support bar 621 of fixedlying connected with described moving contact, the buffer 622 that is fixed on described insulated column 61 tops; Fixedly connected with the buffer shaft 6221 of described buffer 622 in the lower end of described support bar 621; Described main shaft 22 is provided with buffering connecting lever 221 and has the secondary buffer 9 of slide-bar; Described secondary buffer 9 is arranged on the below of described main shaft 22; Described buffering connecting lever 221 is rotationally connected with the slide-bar of described secondary buffer 9.Described insulated column 61 adopts the compression molding mode to make; Described buffer 622 is oil buffers.
Adopt in the process that the compression molding modes make at described insulated column 61, with described buffer 622, pull bar 63 and described insulated column 61 by the compression molding mode part that links into an integrated entity.The upper end of described insulated column 61 is provided with and forms a mounting groove when compression moulding, and the shell of described buffer 622 is fixed in the described mounting groove.
The below of described breaker body 1 is provided with chassis car 7 and propulsive mechanism 8; Described breaker body 1 is arranged on the propulsive mechanism 8, and described propulsive mechanism 8 is arranged on the chassis car 7; The bottom of described chassis car 7 is provided with roller 71.
Present embodiment has good useful technique effect:
(1) in the present embodiment,, makes and the violent collision of generation between the dynamic and static contact can cause dynamic/static contact impaired that serious meeting causes vacuum interrupter to break if the insulated tension pole action is too violent; Present embodiment has adopted following structure for fear of above phenomenon takes place: described insulated tension pole comprises insulated column, be arranged on the bracing or strutting arrangement that links to each other with described moving contact of described insulated column upper end, be arranged on the pull bar that links to each other with described operating mechanism of described insulated column lower end; Described bracing or strutting arrangement comprises the support bar of fixedlying connected with described moving contact, the buffer that is fixed on described insulated column top; Fixedly connected with the buffer shaft of described buffer in the lower end of described support bar.Owing to be provided with buffer, particularly oil buffer is set after, the insulated tension pole of present embodiment has buffering effect preferably in the process of moving up and down, effectively guaranteed the useful life of vacuum interrupter.In addition,, also have compact conformation, be convenient to the less advantage of installing, take up room, simplified overall structure to a certain extent, reduced manufacturing cost owing to directly buffer is arranged in the insulated tension pole assembly.
(2) in the present embodiment, described insulated column adopts the compression molding mode to make; Adopt in the process that the compression molding mode makes at described insulated column, with described buffer, pull bar and described insulated column by the compression molding mode part that links into an integrated entity; This structure has fastness preferably, guarantees that effectively buffer can not come off from insulated column because of vibrations.
(3) in the present embodiment, described main shaft 22 is provided with buffering connecting lever 221 and has the secondary buffer 9 of slide-bar; Described secondary buffer 9 is arranged on the diapire of described breaker body 1 and is positioned at the below of described main shaft 22; Described buffering connecting lever 221 is rotationally connected with the slide-bar of described secondary buffer 9.Buffer in this secondary buffer and the described insulated tension pole slows down the strenuous exercise of each parts in the divide-shut brake action jointly, make the rotation and the collision between the dynamic/static contact of main shaft be unlikely to undue violent, effectively guarantee the useful life of vacuum circuit breaker body.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (5)
1. a magneto 35KV vacuum circuit-breaker comprises three vacuum circuit breaker main (1) and bodies and corresponding permanent magnet type operating mechanism (2); Described each vacuum circuit breaker main (1) comprises vacuum interrupter (3), moving contact, fixed contact and the insulated tension pole that is connected with moving contact (6); The bottom of described insulated tension pole (6) is connected with described operating mechanism (2); Described insulated tension pole (6) is vertically done rectilinear motion under the drive of operating mechanism (2); Described magneto operating mechanism (2) comprises permanent magnet type drive mechanism (21) and main shaft (22);
It is characterized in that: described insulated tension pole (6) comprises insulated column (61), be arranged on described insulated column (61) upper end the bracing or strutting arrangement (62) that links to each other with described moving contact, be arranged on the pull bar (63) that links to each other with described operating mechanism (2) of described insulated column (61) lower end; Described bracing or strutting arrangement (62) comprises the support bar (621) of fixedlying connected with described moving contact, the buffer (622) that is fixed on described insulated column (61) top; Fixedly connected with the buffer shaft (6221) of described buffer (622) in the lower end of described support bar (621);
Described main shaft (22) is provided with buffering connecting lever (221) and has the secondary buffer (9) of slide-bar; Described secondary buffer (9) is arranged on the below of described main shaft (22); Described buffering connecting lever (221) is rotationally connected with the slide-bar of described secondary buffer (9).
2. magneto 35KV vacuum circuit-breaker according to claim 1 is characterized in that: described buffer (622) is an oil buffer.
3. magneto 35KV vacuum circuit-breaker according to claim 1 is characterized in that: the upper end of described insulated column (61) is provided with mounting groove, and the shell of described buffer (622) is fixed in the described mounting groove.
4. magneto 35KV vacuum circuit-breaker according to claim 1 is characterized in that: the below of described breaker body (1) is provided with chassis car (7) and propulsive mechanism (8); Described breaker body (1) is arranged on the propulsive mechanism (8), and described propulsive mechanism (8) is arranged on the chassis car (7); The bottom of described chassis car (7) is provided with roller (71).
5. magneto 35KV vacuum circuit-breaker according to claim 1 is characterized in that: described insulated column (61) adopts the compression molding mode to make; Adopt in the process that the compression molding mode makes at described insulated column (61), with described buffer (622), pull bar (63) and described insulated column (61) by the compression molding mode part that links into an integrated entity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201459809U CN201490079U (en) | 2009-03-24 | 2009-03-24 | Permanent magnetic 35KV vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201459809U CN201490079U (en) | 2009-03-24 | 2009-03-24 | Permanent magnetic 35KV vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490079U true CN201490079U (en) | 2010-05-26 |
Family
ID=42428947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201459809U Expired - Lifetime CN201490079U (en) | 2009-03-24 | 2009-03-24 | Permanent magnetic 35KV vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201490079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582347B (en) * | 2009-03-24 | 2012-04-25 | 童建朋 | Permanent magnet type 35KV vacuum circuit breaker |
-
2009
- 2009-03-24 CN CN2009201459809U patent/CN201490079U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582347B (en) * | 2009-03-24 | 2012-04-25 | 童建朋 | Permanent magnet type 35KV vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090324 |