CN211929374U - Pole-mounted circuit breaker - Google Patents
Pole-mounted circuit breaker Download PDFInfo
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- CN211929374U CN211929374U CN202020848303.XU CN202020848303U CN211929374U CN 211929374 U CN211929374 U CN 211929374U CN 202020848303 U CN202020848303 U CN 202020848303U CN 211929374 U CN211929374 U CN 211929374U
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- main shaft
- shell
- circuit breaker
- adjusting bolt
- operating mechanism
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Abstract
The utility model discloses a pole-mounted circuit breaker, which comprises a shell and an operating mechanism fixed inside the shell, wherein the operating mechanism is connected with a main shaft and axially moves; two ends of the linkage plate are respectively connected with the adjusting bolt and the main shaft through pin shafts to form two-link transmission; the position of the adjusting bolt is adjusted through screwing, so that the linkage plate is driven to change the angle; two ends of the brake separating spring are respectively connected with the main shaft and the shell; and the sealing strip and the bottom plate are sequentially arranged on the shell through the standard component. The utility model has the advantages that any part is not required to be disassembled, the main shaft and the operating mechanism are not required to be disassembled, the length of the adjusting bolt can be directly adjusted to realize that the measured data is within a specified range value on the premise that the parts are assembled, the process steps and time are reduced on the premise that the cost is not increased greatly, and the production efficiency is improved; the sealing performance of the sealing strip is good, the structure is compact, the strength of the whole structure of the bottom plate added stamping process is greatly increased, and the protection grade of the switch is effectively improved.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to a circuit breaker on post.
Background
The outdoor column vacuum circuit breaker is outdoor high-voltage distribution equipment, is mainly used for switching on and off load current, overload current and short-circuit current in a power system, is suitable for protection and control in a transformer substation and a distribution system of an industrial and mining enterprise, and is more suitable for places where urban and rural power grid construction transformation and frequent operation are carried out.
The outdoor pole-mounted circuit breaker is widely applied to a power distribution network, and ideal equipment which is easy to operate and free of maintenance is pushed. However, the conventional outdoor pole-mounted circuit breaker has many process steps in the assembly process, which causes waste of repeated working hours, and especially, the efficiency is not guaranteed in mass production. Secondly, in recent years, the index of distribution network IP protection level is continuously improved, the requirement on the inspection item of outdoor product protection level in distribution network standardized material solidification technical specification is strict, and the highest protection level in the market can only meet the protection level of IP65 at present.
The prior transmission structure technology has the following defects: the key technical parameter of debugging is that parts need to be repeatedly disassembled and assembled, and the production efficiency cannot be improved due to the waste of time; the compression amount of the sealing strip and the structural strength of the bottom plate are not designed reasonably, and the requirement of higher sealing grade cannot be met.
Description of technical conditions of transmission structures of similar products: when key technical parameters of ZW32 on the column are debugged, 1 main shaft, 6 linkage plates, 6 pin shafts, an operating mechanism and 2 groups of brake springs need to be disassembled to debug the length of an adjusting bolt, then the components are reassembled and data are measured, as long as any one group of data in the three phases does not reach a range value, 1 main shaft, 6 linkage plates, 6 pin shafts, an operating mechanism and 2 groups of brake springs need to be disassembled again to measure again, and the debugging is repeated until the range value is met.
Specification of technical conditions of the sealing structure of the similar product: the current protection grade of ZW32 this kind of post product can satisfy IP 65's technical requirement the most at most, and the sealed face design contact surface of sealing strip is too big, can not produce anticipated 20 ~ 30% static seal compression volume under the condition of current structure assembly, and sealing performance is not enough, and bottom plate overall structure intensity is relatively poor, the deflection is big, can't satisfy the protection grade requirement of higher again.
SUMMERY OF THE UTILITY MODEL
The purpose of the invention is as follows: to above problem, the utility model provides a circuit breaker on post need not relapse the dismouting spare part just can debug qualified technical parameter to and improve sealing member protection level.
The technical scheme is as follows: in order to achieve the above design purpose, the utility model adopts the following technical scheme: a pole-mounted circuit breaker comprises a shell and an operating mechanism fixed in the shell, wherein the operating mechanism is connected with a main shaft and moves axially; two ends of the linkage plate are respectively connected with the adjusting bolt and the main shaft through pin shafts to form two-link transmission; two ends of the brake separating spring are respectively connected with the main shaft and the shell; and the sealing strip and the bottom plate are sequentially arranged on the shell through the standard component.
Furthermore, the position of the adjusting bolt is adjusted through screwing, and the linkage plate is driven to change the angle.
Furthermore, the three-phase linkage device comprises a three-phase linkage plate, wherein two ends of the three-phase linkage plate are respectively connected with a three-phase adjusting bolt and a main shaft through pin shafts.
Furthermore, the opening spring realizes elastic change through axial movement of the main shaft.
Furthermore, the brake device comprises a left brake spring and a right brake spring, wherein one end of each of the two brake springs is connected with the main shaft, and the other end of each of the two brake springs is connected with the shell.
Further, the standard component is a screw.
Has the advantages that: the utility model has the advantages that any part is not required to be disassembled, the main shaft and the operating mechanism are not required to be disassembled, the length of the adjusting bolt can be directly adjusted to realize that the measured data is within a specified range value on the premise that the parts are assembled, the process steps and time are reduced on the premise that the cost is not increased greatly, and the production efficiency is improved; the sealing performance of the sealing strip is good, the structure is compact, the strength of the whole structure of the bottom plate added stamping process is greatly increased, and the protection grade of the switch is effectively improved.
Drawings
Fig. 1 is a schematic front view of a pole top circuit breaker according to the present invention;
fig. 2 is a schematic reverse side view of the pole top circuit breaker of the present invention;
FIG. 3 is a schematic view of a two-bar linkage;
fig. 4 is a schematic view of the connection structure of the brake separating spring.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the pole-mounted circuit breaker of the present invention includes a housing 1, and an operating mechanism 2 fixed inside the housing 1; the operating mechanism 2 is connected with the main shaft 3 to do axial movement. As shown in fig. 3, two ends of a linkage plate 7 are respectively connected with an adjusting bolt 4 and a main shaft 3 through a pin shaft 5 to form two-link transmission; the position of the adjusting bolt 4 is adjusted by screwing, so that the linkage plate 7 is driven to change the angle. As shown in fig. 4, two ends of the opening spring 6 are respectively connected with the main shaft 3 and the shell 1; the sealing strip 8 and the bottom plate 9 are sequentially arranged on the corresponding positions of the bottom of the shell 1 through the standard assembly 10. The modules 10 may be screws.
The sealing strip 8 seals by blocking the ingress of fluid leakage; the bottom plate 9 achieves its own structural strength through a stamping process, ensuring consistent pressure at each location when the sealing strip 8 is compressed.
When the breaker is opened and closed, the operating mechanism 2 transmits the breaker to the main shaft 3 to move the breaker. The opening spring 6 realizes elastic change through the axial movement of the main shaft 3. The pole on circuit breaker about including two group's brake spring 6, about 6 one ends of two group's brake spring pass through the round pin hub connection main shaft 3, one end is connected with the casing, make the break-brake spring realize tensile combined floodgate and two states of separating brake that reset by main shaft 3's back-and-forth movement.
1 main shaft 3 is connected with a three-phase adjusting bolt 4 through three groups of linkage plates 7, so that each phase has linkage; two ends of the three-phase linkage plate 7 are respectively connected with the three-phase adjusting bolt 4 and the main shaft 3 through a pin shaft 5 to form two-link transmission. The three phases are screwed by the adjusting bolts 4, the positions of the three phases are adjusted, and the three-phase linkage plate 7 is conducted to carry out angle transformation.
Claims (6)
1. A pole-mounted circuit breaker, comprising: the device comprises a shell (1) and an operating mechanism (2) fixed in the shell, wherein the operating mechanism (2) is connected with a main shaft (3) to axially move; two ends of the linkage plate (7) are respectively connected with the adjusting bolt (4) and the main shaft (3) through a pin shaft (5) to form two-link transmission; two ends of the brake separating spring (6) are respectively connected with the main shaft (3) and the shell (1); the sealing strip (8) and the bottom plate (9) are sequentially arranged on the shell (1) through the standard component (10).
2. The pole top circuit breaker of claim 1, wherein: the position of the adjusting bolt (4) is adjusted by screwing, so that the linkage plate (7) is driven to change the angle.
3. The pole top circuit breaker of claim 1, wherein: the linkage device comprises three-phase linkage plates, wherein two ends of each three-phase linkage plate are respectively connected with three-phase adjusting bolts and a main shaft (3) through pin shafts (5).
4. The pole top circuit breaker of claim 1, wherein: the opening spring (6) realizes elastic change through the axial movement of the main shaft (3).
5. The pole top circuit breaker of claim 1, wherein: comprises a left component brake spring and a right component brake spring (6), wherein one end of the two component brake springs (6) is connected with a main shaft (3), and the other end is connected with a shell (1).
6. The pole top circuit breaker of claim 1, wherein: the standard component (10) is a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848303.XU CN211929374U (en) | 2020-05-20 | 2020-05-20 | Pole-mounted circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848303.XU CN211929374U (en) | 2020-05-20 | 2020-05-20 | Pole-mounted circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929374U true CN211929374U (en) | 2020-11-13 |
Family
ID=73320835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020848303.XU Active CN211929374U (en) | 2020-05-20 | 2020-05-20 | Pole-mounted circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929374U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903631A (en) * | 2021-10-15 | 2022-01-07 | 南京海兴电网技术有限公司 | Strut type outdoor circuit breaker |
-
2020
- 2020-05-20 CN CN202020848303.XU patent/CN211929374U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903631A (en) * | 2021-10-15 | 2022-01-07 | 南京海兴电网技术有限公司 | Strut type outdoor circuit breaker |
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