CN212485241U - Closing and tripping interlocking device of breaker spring operating mechanism - Google Patents
Closing and tripping interlocking device of breaker spring operating mechanism Download PDFInfo
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- CN212485241U CN212485241U CN202020886165.4U CN202020886165U CN212485241U CN 212485241 U CN212485241 U CN 212485241U CN 202020886165 U CN202020886165 U CN 202020886165U CN 212485241 U CN212485241 U CN 212485241U
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Abstract
The utility model discloses a closing and tripping interlocking device of a breaker spring operating mechanism, which comprises a closing semi-axis and an output shaft, wherein one end of the closing semi-axis is connected with a closing tripping plate, the other end is connected with an energy storage and retaining pawl, and the output shaft is connected with an interlocking plate; the top end of the closing tripping plate is positioned at one side of the closing half shaft, the bottom end of the closing tripping plate is positioned at the other side of the closing half shaft, and a groove is formed in the bottom end of the closing tripping plate; the closing tripping plate is provided with a first position and a second position, and when the closing tripping plate moves from the first position to the second position, the closing tripping plate drives the energy storage retaining pawl on the closing half shaft to rotate so as to realize closing; the energy storage retaining pawl drives the output shaft to rotate through the transmission device, and the rollers on the interlocking plate are clamped in the grooves to realize interlocking; this device passes through structural layout, transmission optimal design, simple structure, and interlocking spare part mainly installs on combined floodgate semi-axis and output shaft, and part is small in quantity, and stability, reliability are high.
Description
Technical Field
The utility model relates to a switchgear control technical field, concretely relates to breaker spring operating mechanism combined floodgate dropout interlock.
Background
The circuit breaker is used as an important switching element in a power system, plays a role in control and protection, and the reliability and the intelligent level of the action directly determine the reliability and the automatic level of power supply and distribution of the power system.
At present, a spring operating mechanism which is widely used in China has more parts, complex structure and lower stability and reliability of products.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit breaker spring operating mechanism combined floodgate dropout interlock to solve among the prior art combined floodgate dropout part many, the assembly is complicated, the insecure problem of interlocking.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
a switching-on tripping interlocking device of a circuit breaker spring operating mechanism comprises a switching-on half shaft and an output shaft, wherein one end of the switching-on half shaft is connected with a switching-on tripping plate, the other end of the switching-on half shaft is connected with an energy storage retaining pawl, and the output shaft is connected with an interlocking plate;
the top end of the closing tripping plate is positioned at one side of the closing half shaft, the bottom end of the closing tripping plate is positioned at the other side of the closing half shaft, and a groove is formed in the bottom end of the closing tripping plate;
the closing tripping plate is provided with a first position and a second position, and when the closing tripping plate moves from the first position to the second position, the closing tripping plate drives the energy storage retaining pawl on the closing half shaft to rotate so as to realize closing; and the output shaft rotates, and the roller on the interlocking plate is clamped in the groove to realize interlocking.
Furthermore, a closing half shaft reset torsion spring is connected to the closing half shaft, and the output end of the closing half shaft reset torsion spring is connected to the closing trip plate; when the switching-on tripping plate moves from the first position to the second position, the switching-on half shaft reset torsion spring is compressed; and the reset torsion spring of the switching-on half shaft resets to drive the switching-on half shaft to reset.
The top ends of the closing push rod and the closing tripping plate are on the same horizontal plane; and the closing push rod moves to drive the closing tripping plate to move from the first position to the second position.
The energy storage retaining pawl rotates to enable the closing spring to reset, and the closing spring resets to achieve closing. When the mechanism is switched off, the auxiliary switch interlocking plate on the output shaft rotates, the inner hexagonal bolt for fixing the auxiliary switch interlocking plate drives the pin shaft to rotate along with the auxiliary switch interlocking plate, the interlocking plate is driven to rotate, and the interlocking plate reset torsion spring is compressed. When the mechanism is switched on, the auxiliary switch interlocking plate rotates along with the output shaft, and the interlocking plate resetting torsion spring resets to drive the interlocking plate to be clamped in the groove of the switching-on tripping plate, so that interlocking is realized.
Furthermore, an interlocking plate reset torsion spring is connected to the output shaft and drives the interlocking plate to reset.
Furthermore, the closing spring resets to drive the energy storage shaft to rotate, the cam on the energy storage shaft rotates to drive the auxiliary switch interlocking plate on the output shaft to rotate, the hexagon socket head cap bolt for fixing the auxiliary switch interlocking plate rotates along with the auxiliary switch interlocking plate, and the interlocking plate is clamped in the groove of the closing tripping plate under the action of the interlocking plate reset torsion spring to realize interlocking.
According to the above technical scheme, the embodiment of the utility model has following effect at least:
1. the device is optimally designed through structural layout and transmission, the structure is simple, the interlocking parts are mainly arranged on a closing half shaft and an output shaft, the number of parts is small, and the stability and the reliability are high;
2. through the structural design, the multiplexing of parts is realized, and the closing tripping plate can realize closing under the pushing of a closing push rod and can also realize the interlocking function when the roller is positioned at the groove position;
3. through mechanism design, use the torsional spring to reset, reliably reset, improve life.
Drawings
Fig. 1 is a schematic view of a trip interlock according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
fig. 3 is a schematic diagram of fig. 2 in different states.
Wherein: 1. a closing tripping plate; 2. a switching-on half shaft reset torsion spring; 3. a pin shaft; 4. a roller; 5. an interlocking plate return torsion spring; 6. a power storage retention latch; 7. a switching-on half shaft; 8. a closing push rod; 9. an interlock plate; 10. an output shaft; 11. auxiliary switch interlocking board.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 3, a switching-on tripping interlocking device of a circuit breaker spring operating mechanism comprises a switching-on half shaft 7 and an output shaft 10, wherein one end of the switching-on half shaft 7 is connected with a switching-on tripping plate 1, the other end of the switching-on half shaft is connected with an energy storage retaining pawl 6, and the output shaft 10 is connected with an interlocking plate 9; the top end of the closing tripping plate 1 is positioned at one side of the closing half shaft 7, the bottom end of the closing tripping plate 1 is positioned at the other side of the closing half shaft 7, and a groove is formed in the bottom end of the closing tripping plate 1; the switching-on trip plate 1 is provided with a first position and a second position, and when the switching-on trip plate 1 moves from the first position to the second position, the switching-on trip plate 1 drives the energy storage retaining pawl 6 on the switching-on half shaft 7 to rotate so as to realize switching-on; the energy storage retaining latch 6 drives the output shaft 10 to rotate through a transmission device, and the roller 4 on the interlocking plate 9 is clamped in the groove to realize interlocking.
The energy storage shaft is rotatably connected between the shell frame plates on the two sides, the large gear is rotatably connected to the energy storage shaft, one side face of the large gear is connected with a pawl, the center of the round wheel is a hexagonal hole, and the round wheel is connected to the energy storage shaft through the central hexagonal hole. The circular wheel is positioned on one side of the big gear, the circular wheel is matched with the pawl, and the pawl rotates to drive the circular wheel to rotate. The left end of the energy storage shaft is connected with a hanging spring connecting lever, the hanging spring connecting lever is connected with one end of a closing spring, and the other end of the closing spring is connected with a hanging spring rod connected to a frame plate of the shell. The energy storage shaft is also connected with a cam, and one side surface of the cam is connected with a first roller.
As shown in fig. 1, the closing half shaft 7 is rotatably connected between the casing frame plates on both sides through a bearing, the energy storage holding pawl 6 is welded on the closing half shaft 7, and the closing half shaft 7 drives the energy storage holding pawl 6 to rotate. The first roller to which the cam is attached will be in contact with the energy storing retaining catch 6 when the cam rotates with the energy storing shaft.
The left end of the closing half shaft 7 penetrates through the left side of the shell frame plate, the left end of the closing half shaft 7 is connected with a closing tripping plate 1, the top of the closing tripping plate 1 and a closing push rod 8 are on the same horizontal plane, the closing push rod 8 extends to push the closing tripping plate 1 to move, and the closing tripping plate 1 moves to drive the closing half shaft 7 to rotate.
The output shaft 10 is connected between the shell frame plates on the two sides through bearings, an output crank arm is connected to the output shaft 10, the output crank arm is V-shaped and comprises a connecting seat and two extending ends, and the connecting seat is connected with the output shaft 10. One of the extending ends is connected with a second roller. The second roller and the cam are in the same plane.
During energy storage, an output gear of the motor is meshed with the large gear to drive the large gear to rotate, a pawl on the large gear drives the round wheel to rotate, the inner part of the round wheel is provided with a hexagonal hole which is matched with the energy storage shaft to drive the energy storage shaft to rotate, and the closing spring is compressed to realize energy storage. The cam is internally provided with a hexagonal hole, the cam is driven to rotate when the energy storage shaft rotates, when energy storage is completed, the first roller on the cam is in contact with the energy storage retaining pawl 6, and the energy storage retaining pawl 6 limits the motion of the energy storage shaft, so that energy storage is maintained.
During closing, a closing push rod 8 is pressed to push a closing tripping plate 1 to rotate, the closing tripping plate 1 rotates to drive a closing half shaft 7 to rotate, an energy storage retaining pawl 6 and the closing half shaft 7 are welded into a whole, the closing half shaft 7 rotates to drive the energy storage retaining pawl 6 to rotate, the energy storage retaining pawl 6 is separated from a first roller to be in contact with the first roller, a closing spring is released to drive a cam to rotate, the cam impacts a second roller to drive an output connecting lever to rotate, the output connecting lever drives a connecting rod transmission assembly in an aluminum casting base module to rotate through a connecting plate, and an insulating pull rod is pushed to achieve closing.
The output shaft 10 is also connected with an interlocking plate 9, the interlocking plate 9 is connected with a roller 4, when the switch is switched on, the output shaft 10 rotates, and the interlocking plate 9 rotates to drive the roller 4 on the interlocking plate to fall into a groove of the switch-on tripping plate 1 to realize interlocking.
An interlocking plate reset torsion spring 5 is connected to the output shaft 10, when the mechanism is switched off, the auxiliary switch interlocking plate 11 on the output shaft 10 rotates, the inner hexagon bolt for fixing the auxiliary switch interlocking plate 11 drives the pin shaft 3 to rotate along with the inner hexagon bolt, the interlocking plate 9 is driven to rotate, and the interlocking plate reset torsion spring 5 is compressed. When the mechanism is switched on, the auxiliary switch interlocking plate 11 rotates along with the output shaft 10, and the interlocking plate resetting torsion spring 5 resets to drive the interlocking plate 9 to be clamped in the groove of the switching-on tripping plate 1, so that linkage is realized.
This device passes through structural layout, transmission optimal design, simple structure, and interlocking spare part mainly installs on combined floodgate semi-axis and output shaft, and part is small in quantity, and stability, reliability are high. The device is designed by adopting a torsion spring, can realize reliable resetting of parts, is reliable in interlocking, and effectively prevents switch misoperation. This device realizes the part through structural design and reuses, and closing a floodgate dropout board 1 both can be used for closing a floodgate push rod to promote and realize closing a floodgate, also can realize the interlock when roller 4 is in the recess position.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (6)
1. The interlocking device for the closing tripping of the spring operating mechanism of the circuit breaker is characterized by comprising a closing half shaft (7) and an output shaft (10), wherein one end of the closing half shaft (7) is connected with a closing tripping plate (1), the other end of the closing half shaft is connected with an energy storage retaining pawl (6), and the output shaft (10) is connected with an interlocking plate (9);
the top end of the closing tripping plate (1) is positioned at one side of the closing half shaft (7), the bottom end of the closing tripping plate (1) is positioned at the other side of the closing half shaft (7), and a groove is formed in the bottom end of the closing tripping plate (1); the switching-on tripping plate (1) is provided with a first position and a second position, and when the switching-on tripping plate (1) moves from the first position to the second position, the switching-on tripping plate (1) drives the energy storage retaining pawl (6) on the switching-on half shaft (7) to rotate so as to realize switching-on; the output shaft (10) rotates, and the rollers (4) on the interlocking plate (9) are clamped in the grooves to realize interlocking.
2. The circuit breaker spring operating mechanism closing tripping interlocking device is characterized in that a closing half shaft reset torsion spring (2) is further connected to the closing half shaft (7), and the output end of the closing half shaft reset torsion spring (2) is connected with the closing tripping plate (1); when the closing tripping plate (1) moves from the first position to the second position, the closing half shaft reset torsion spring (2) is compressed; and the closing half shaft reset torsion spring (2) resets to drive the closing half shaft (7) to reset.
3. The circuit breaker spring operating mechanism closing and tripping interlocking device according to claim 1, further comprising a closing push rod (8), wherein the top ends of the closing push rod (8) and the closing tripping plate (1) are in the same horizontal plane; the closing push rod (8) moves to drive the closing tripping plate (1) to move from the first position to the second position.
4. The circuit breaker spring operating mechanism closing and tripping interlocking device as recited in claim 1, further comprising a stored energy shaft, wherein a closing spring is connected to the stored energy shaft, the stored energy retaining pawl (6) rotates to reset the closing spring, and the closing spring resets to achieve closing.
5. The circuit breaker spring operating mechanism closing tripping interlocking device according to claim 4, wherein an interlocking plate reset torsion spring (5) is connected to the output shaft (10), and the interlocking plate reset torsion spring (5) drives the interlocking plate (9) to reset.
6. The circuit breaker spring operating mechanism closing tripping interlocking device according to claim 5, wherein the closing spring resets to drive the energy storage shaft to rotate, the cam on the energy storage shaft rotates to drive the auxiliary switch interlocking plate (11) on the output shaft (10) to rotate, the hexagon socket head cap screw for fixing the auxiliary switch interlocking plate (11) rotates along with the rotation, and the interlocking plate (9) is clamped in the groove of the closing tripping plate (1) under the action of the interlocking plate reset torsion spring (5) to realize interlocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020886165.4U CN212485241U (en) | 2020-05-25 | 2020-05-25 | Closing and tripping interlocking device of breaker spring operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020886165.4U CN212485241U (en) | 2020-05-25 | 2020-05-25 | Closing and tripping interlocking device of breaker spring operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212485241U true CN212485241U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020886165.4U Active CN212485241U (en) | 2020-05-25 | 2020-05-25 | Closing and tripping interlocking device of breaker spring operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212485241U (en) |
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2020
- 2020-05-25 CN CN202020886165.4U patent/CN212485241U/en active Active
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Address after: No. 19, Jiangning District, Jiangning District, Nanjing, Jiangsu Patentee after: NARI Group Corp. Patentee after: Jiangsu Nari Turbo Star Electric Co.,Ltd. Address before: No. 19, Jiangning District, Jiangning District, Nanjing, Jiangsu Patentee before: NARI Group Corp. Patentee before: JIANGSU NARI TURBOSTAR ELECTRIC CO.,LTD. |