CN211828663U - Four-bar linkage mechanism for driving circuit breaker to switch on - Google Patents
Four-bar linkage mechanism for driving circuit breaker to switch on Download PDFInfo
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- CN211828663U CN211828663U CN202020725251.7U CN202020725251U CN211828663U CN 211828663 U CN211828663 U CN 211828663U CN 202020725251 U CN202020725251 U CN 202020725251U CN 211828663 U CN211828663 U CN 211828663U
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- circuit breaker
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- connecting lever
- connecting rod
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Abstract
The utility model discloses a four-bar linkage that drive circuit breaker combined floodgate, by the drive connecting lever that the transmission connects in proper order, the drive straight connecting rod, four-bar linkage is constituteed to short connecting rod and mechanism output connecting lever, the pin joint of drive connecting lever is on the support of circuit breaker, the rigid coupling has the drive round pin on the drive connecting lever, mechanism output connecting lever pin joint is on the support of circuit breaker, short connecting rod both ends pin joint mechanism output connecting lever and the drive straight connecting rod respectively, drive straight connecting rod contact drive round pin, the drive connecting lever is driven when the circuit breaker carries out combined floodgate operation, and then the drive round pin stirs the drive straight connecting rod so that four-bar linkage moves about, the motion of mechanism output connecting lever makes the circuit breaker. The utility model discloses a four-bar linkage mechanism keeps the contact all the time to connect as circuit breaker combined floodgate transmission output mode at the in-process that the circuit breaker carries out the combined floodgate, avoids rigidity striking risk, improves mechanism machinery break-in life-span.
Description
Technical Field
The utility model relates to an electric power high tension switchgear technical field especially relates to a four-bar linkage that drive circuit breaker combined floodgate.
Background
The input stroke of closing a floodgate of current high tension switchgear field circuit breaker mainly realizes through closing a floodgate cam curvature radius change, and the transmission between cam and the drive connecting lever is realized by the rigidity striking of cam and connecting lever upper roller, consequently, has higher requirement to cam and gyro wheel mechanical strength, and has the problem that the cam caused the resilience, caused mechanical shock to spacing semi-axis with gyro wheel secondary striking after overshooting, leads to when carrying out mechanical life cycle test, and the cracked risk of spacing semi-axis is great.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a four-bar linkage that drive circuit breaker combined floodgate drives the circuit breaker combined floodgate through the contact connection, avoids the rigidity striking, improves the mechanical break-in life-span of mechanism. The utility model adopts the following technical scheme:
the utility model provides a four-bar linkage that drive circuit breaker combined floodgate, by the drive connecting lever that the transmission connects gradually, drive straight connecting rod, short connecting rod and mechanism output connecting lever constitute four-bar linkage, the pin joint of drive connecting lever is on the support of circuit breaker, the rigid coupling has the drive round pin on the drive connecting lever, mechanism output connecting lever pin joint is on the support of circuit breaker, short connecting rod both ends pin joint mechanism output connecting lever and drive straight connecting rod respectively, drive straight connecting rod contact drive round pin, the drive connecting lever is driven when the circuit breaker carries out combined floodgate operation, and then the drive round pin stirs drive straight connecting rod so that four-bar linkage moves about, the motion of mechanism output connecting lever makes the circuit breaker realize the combined flood.
Furthermore, one end of the mechanism output connecting lever is connected with a brake separating spring of the circuit breaker, the other end of the mechanism output connecting lever is pivoted with the short connecting rod, and the mechanism output connecting lever drives the brake separating spring to stretch and store energy when the circuit breaker performs a closing operation.
Furthermore, an operation part protrudes out of one side of the mechanism output connecting lever and is used for driving the breaker to be switched on.
Furthermore, the driving connecting lever is connected with a closing spring of the circuit breaker, and the driving connecting lever is driven by the closing spring to move when the circuit breaker performs closing operation.
Furthermore, one side of the driving straight connecting rod contacts with the driving pin, and the other side of the driving straight connecting rod, which is back to the driving pin, is provided with a abdicating notch.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses a four-bar linkage that drive connecting lever, drive straight connecting rod, short connecting rod and mechanism output connecting lever are constituteed replaces traditional cam drive as circuit breaker combined floodgate transmission output mode, carries out the in-process of combined floodgate at the circuit breaker, connects through the contact and drives the circuit breaker combined floodgate, avoids rigidity striking risk, improves mechanism machinery break-in life-span. The utility model discloses a four-bar linkage that drive circuit breaker combined floodgate has advantages such as output stroke is reliable, mechanical shock is little, parts machining is simple, both reduces part complexity, saves the cost again, still improves transmission reliability and increases mechanical life.
Drawings
Fig. 1 is a schematic diagram of an opening state of a four-bar linkage mechanism for driving a circuit breaker to close;
fig. 2 is a schematic diagram of the closing state of the four-bar linkage mechanism for driving the circuit breaker to close.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
As shown in fig. 1 and fig. 2, the present embodiment discloses a four-bar mechanism for driving a circuit breaker to close, which includes a four-bar mechanism composed of a driving connecting lever 2, a driving straight connecting rod 3, a short connecting rod 4 and a mechanism output connecting lever 5, which are sequentially connected in a transmission manner, the driving connecting lever 2 is pivoted on a support 1 of the circuit breaker and connected with a closing spring 7 of the circuit breaker, a driving pin 8 is fixedly connected on the driving connecting lever 2, the mechanism output connecting lever 5 is pivoted on the support 1 of the circuit breaker and connected with a tripping spring 6 of the circuit breaker, two ends of the short connecting rod 4 are respectively pivoted with the mechanism output connecting lever 5 and the driving straight connecting rod 3, the driving straight connecting rod 3 contacts with the driving pin 8, when the circuit breaker performs a closing operation, the closing, and then the driving straight connecting rod 3 is stirred by the driving pin 8 to enable the four-connecting-rod mechanism to move, and the movement of the mechanism output connecting lever 5 enables the breaker to realize closing and the opening spring 6 to be stretched to store energy.
One end of the mechanism output connecting lever 5 is connected with the opening spring 6, the other end of the mechanism output connecting lever is pivoted with the short connecting rod 4, one side of the mechanism output connecting lever 5 protrudes out of the operating part, and the operating part is used for driving the breaker to be switched on.
One side of the driving straight connecting rod 3 contacts the driving pin 8, and the other side of the driving straight connecting rod, which is back to the driving pin 8, is provided with a abdicating notch. As shown in fig. 2, one end of the driving straight connecting rod 3 is pivoted with the short connecting rod 4, the other end thereof is pivoted with a rotating member pivoted on the support 1 of the circuit breaker, the rotating member is pivoted with the support 1 of the circuit breaker through a pivoting shaft, the pivoting shaft and the driving pin 8 are respectively located at two sides of the driving straight connecting rod 3, and the abdicating gap is abdicating of the pivoting shaft.
Fig. 1 is the utility model discloses the four-bar linkage's that drives circuit breaker combined floodgate separating brake state schematic diagram, fig. 2 is its combined floodgate state schematic diagram, and the process of switching to combined floodgate state by separating brake state is: the closing spring 7 extends to drive the driving crank arm 2 to rotate, the driving pin 8 stirs the driving straight connecting rod 3, the driving straight connecting rod 3 drives the short connecting rod 4 to rotate, and the short connecting rod 4 drives the mechanism output crank arm 5 to rotate so as to realize closing operation and enable the opening spring 6 to store energy in a stretching mode.
The four-bar mechanism composed of the driving connecting lever 2, the driving straight connecting rod 3, the short connecting rod 4 and the mechanism output connecting lever 5 replaces the traditional cam transmission to serve as a circuit breaker switching-on transmission output mode, the contact type connection driving mechanism is adopted for switching-on, the rigid impact risk is avoided, the mechanical running-in service life of the mechanism is prolonged, the four-bar mechanism replaces the cam transmission in the prior art, and the four-bar mechanism has the advantages of reliable output stroke, small mechanical impact, simple part processing and the like, not only reduces the complexity of parts, but also saves the cost, and also improves the transmission reliability.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. The utility model provides a four bar linkage that drive circuit breaker combined floodgate which characterized in that: the four-bar mechanism is composed of a driving connecting lever, a driving straight connecting rod, a short connecting rod and a mechanism output connecting lever which are sequentially connected in a transmission mode, the driving connecting lever is pivoted on a support of the circuit breaker, a driving pin is fixedly connected to the driving connecting lever, the mechanism output connecting lever is pivoted on the support of the circuit breaker, two ends of the short connecting rod are respectively pivoted with the mechanism output connecting lever and the driving straight connecting rod, the driving straight connecting rod is in contact with the driving pin, the driving connecting lever is driven when the circuit breaker is switched on, the driving pin drives the driving straight connecting rod to enable the four-bar mechanism to move, and the circuit breaker is switched on by the movement of the.
2. The four-bar linkage mechanism for driving a circuit breaker to close according to claim 1, wherein: one end of the mechanism output connecting lever is connected with a brake-separating spring of the circuit breaker, the other end of the mechanism output connecting lever is pivoted with the short connecting rod, and the mechanism output connecting lever drives the brake-separating spring to stretch and store energy when the circuit breaker performs a closing operation.
3. The four-bar linkage mechanism for driving a circuit breaker to close according to claim 2, wherein: one side of the mechanism output connecting lever protrudes out of the operation part, and the operation part is used for driving the breaker to be switched on.
4. The four-bar linkage mechanism for driving a circuit breaker to close according to claim 1, wherein: the driving connecting lever is connected with a closing spring of the circuit breaker, and the closing spring drives the driving connecting lever to move when the circuit breaker performs closing operation.
5. The four-bar linkage mechanism for driving a circuit breaker to close according to claim 4, wherein: one side of the driving straight connecting rod contacts with the driving pin, and the other side of the driving straight connecting rod, which is back to the driving pin, is provided with a abdicating notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725251.7U CN211828663U (en) | 2020-05-06 | 2020-05-06 | Four-bar linkage mechanism for driving circuit breaker to switch on |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020725251.7U CN211828663U (en) | 2020-05-06 | 2020-05-06 | Four-bar linkage mechanism for driving circuit breaker to switch on |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211828663U true CN211828663U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020725251.7U Active CN211828663U (en) | 2020-05-06 | 2020-05-06 | Four-bar linkage mechanism for driving circuit breaker to switch on |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211828663U (en) |
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2020
- 2020-05-06 CN CN202020725251.7U patent/CN211828663U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 four-bar linkage mechanism for driving circuit breaker to close Effective date of registration: 20220805 Granted publication date: 20201030 Pledgee: Industrial Bank Limited by Share Ltd. Xiamen branch Pledgor: XIAMEN GOOD EP ELECTRICAL CO.,LTD. Registration number: Y2022980012043 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 No.8 Xiangming Road (2nd floor, No.3 Factory Building), industrial zone, torch hi tech Zone (Xiang'an), Xiamen City, Fujian Province Patentee after: Xiamen Gudeyi Electric Co.,Ltd. Address before: 361000 No.8 Xiangming Road (2nd floor, No.3 Factory Building), industrial zone, torch hi tech Zone (Xiang'an), Xiamen City, Fujian Province Patentee before: XIAMEN GOOD EP ELECTRICAL CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |