CN211654666U - Energy storage spring structure of isolating switch, three-position switch and isolating switch - Google Patents
Energy storage spring structure of isolating switch, three-position switch and isolating switch Download PDFInfo
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- CN211654666U CN211654666U CN202020557425.3U CN202020557425U CN211654666U CN 211654666 U CN211654666 U CN 211654666U CN 202020557425 U CN202020557425 U CN 202020557425U CN 211654666 U CN211654666 U CN 211654666U
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- crank arm
- supporting seat
- guide rod
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Abstract
The utility model relates to an isolator component field provides an isolator energy storage spring structure, three station switches and isolator, including first operating axis, first spring drive connecting lever, first connecting lever spacer pin, spring guide arm, go up spring supporting seat, inner spring support lid, inner spring spacer pin, outer spring, lower spring supporting seat, second spring drive connecting lever, second connecting lever spacer pin, second operating axis, first locating part, second locating part. The utility model discloses the very big angular velocity who has reduced the isolation blade has solved the isolation blade fast migration that the fast acting isolator exists always to the switching on position and produce the problem of great impact force.
Description
Technical Field
The utility model relates to an isolator component field, concretely relates to isolator energy storage spring structure, three station switches and isolator.
Background
The isolating switch is used for connecting and isolating a high-voltage incoming line bus and grounding a feed device, and needs to have the following three functional positions: the disconnecting switch is switched on, namely, the switch is switched on: connecting a power feeding device with the bus to receive power; isolation of the isolating switch, namely opening: disconnecting the feeder from the bus; the isolating switch is grounded, namely the grounding end is switched on, so that the grounding end is switched on and reliably grounded under the condition that the feeding device has no load, and the safety of the feeding device load side and the personal safety of maintenance personnel are ensured. In order to realize the switching-on, switching-off and grounding of the isolating switch, a three-position switch mechanism is required to be configured.
In the prior art, when the three-position switch mechanism is used for switching on, the isolation blade of the three-position switch mechanism is easily and quickly moved to a switching-on position due to the excessively high operation speed, so that a large impact force is generated, and the reliability and the service life of the three-position switch mechanism are greatly influenced in a long time.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides an isolator energy storage spring structure, three station switches and isolator.
The purpose of the utility model is realized by adopting the following technical scheme:
the utility model provides an energy storage spring structure of an isolating switch, which comprises a first operating shaft, a first spring driving crank arm, a first crank arm limiting pin, a spring guide rod, an upper spring supporting seat, an inner spring supporting cover, an inner spring limiting pin, an outer spring, a lower spring supporting seat, a second spring driving crank arm, a second crank arm limiting pin, a second operating shaft, a first limiting part and a second limiting part,
the first operating shaft is connected with the first spring driving crank arm to drive the first spring driving crank arm to rotate, the second operating shaft is connected with the second spring driving crank arm to drive the second spring driving crank arm to rotate, the left side of the first spring driving crank arm is provided with the first crank arm limiting pin for limiting the rotation angle of the first spring driving crank arm, the left side of the second spring driving crank arm is provided with the second crank arm limiting pin for limiting the rotation angle of the second spring driving crank arm,
the lower part of the first spring driving crank arm is provided with the upper spring supporting seat, the lower part of the second spring driving crank arm is provided with the lower spring supporting seat, the upper spring supporting seat is sleeved with one end of the spring guide rod in a sliding manner, the lower spring supporting seat is sleeved with the other end of the spring guide rod in a sliding manner, one end part of the spring guide rod is connected with the first limiting part, and the other end part of the spring guide rod is connected with the second limiting part;
the outer spring and the inner spring are sleeved on the outer surface of the spring guide rod, the inner spring is positioned at the inner side of the outer spring, one end of the outer spring is abutted against the upper spring supporting seat, the other end of the outer spring is abutted against the lower spring supporting seat,
the spring support cover is sleeved at the middle of the spring guide rod and the inner spring support cover is provided with the inner spring limiting pin, the spring guide rod is provided with a long waist hole, the inner spring limiting pin penetrates through the long waist hole and the initial state and contacts with the inner surface of the right side of the long waist hole, one end of the inner spring is abutted to the upper spring support seat, and the other end of the inner spring is abutted to the inner spring support cover.
According to the utility model discloses a mode that can realize of first aspect, long waist hole is located spring guide's middle part position.
According to the utility model discloses a mode that can realize of first aspect, spring guide's one end tip is equipped with and is used for the butt go up the left flange of spring support seat.
According to the utility model discloses a mode that can realize of first aspect, interior spring support lid cup joint in the middle part of spring guide arm.
The utility model discloses the second aspect provides a three station on-off mechanism, this three station on-off mechanism include as above an isolator energy storage spring structure.
The utility model discloses the third aspect provides an isolator, this isolator includes as above a three station on-off mechanism.
The utility model has the advantages that: the utility model discloses utilize the long waist hole in the spring guide arm to carry out stroke spacing to the internal spring, control the internal spring release power value, thereby effectively restrict three station on-off mechanism axle motion angle, make the power of three station on-off mechanism output provide enough big power value when isolator isolating blade leaves the touch socket, only this outer spring effect when isolator blade no-load operation, the angular velocity of isolator blade has greatly been reduced, from this very big reduction the blade moves the impact force to the position of closing the floodgate, the problem of the isolator blade that quick action isolator exists all the time moves fast to the position of closing the floodgate and produces great impact force is solved, thereby can effectively improve isolator's reliability and mechanical life; the utility model can flexibly match the output force and the output corner of the mechanism according to the type of the isolating switch by improving the position setting of the inner spring, and is suitable for various isolating switches; in the electric wire netting operation, especially under the high reliability running condition, the utility model discloses can effectively improve isolator's combined floodgate and the reliability of separating brake, reduce the power supply accident that brings the initiation from this, reduce the maintenance cost, promote the security and the reliability of power supply.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic structural diagram of an energy storage spring structure of an isolating switch in an initial state according to an exemplary embodiment of the present invention;
fig. 2 is a schematic structural diagram of an energy storage spring structure of an isolating switch in a just-operating state according to an exemplary embodiment of the present invention;
fig. 3 is a schematic structural diagram of an energy storage spring structure of an isolating switch in an over-dead-point state according to an exemplary embodiment of the present invention;
fig. 4 is a schematic structural diagram of an energy storage spring structure of an isolating switch in an inner spring energy release completion state according to an exemplary embodiment of the present invention;
fig. 5 is a schematic structural diagram of an energy storage spring structure of an isolating switch in a complete energy release state according to an exemplary embodiment of the present invention.
Reference numerals:
the spring support comprises a first operating shaft 1, a first spring driving crank arm 2, a first crank arm limiting pin 3, a spring guide rod 4, an upper spring support seat 5, an inner spring 6, an inner spring support cover 7, an inner spring limiting pin 8, an outer spring 9, a lower spring support seat 10, a second spring driving crank arm 11, a second crank arm limiting pin 12, a second operating shaft 13, a first limiting part 14 and a second limiting part 15.
Detailed Description
The invention will be further described with reference to the following examples.
Referring to fig. 1, a first aspect of the present invention provides an energy storage spring structure for an isolation switch, which includes a first operating shaft 1, a first spring-driven crank arm 2, a first crank arm limiting pin 3, a spring guide rod 4, an upper spring support seat 5, an inner spring 6, an inner spring support cover 7, an inner spring limiting pin 8, an outer spring 9, a lower spring support seat 10, a second spring-driven crank arm 11, a second crank arm limiting pin 12, a second operating shaft 13, a first limiting member 14, a second limiting member 15,
the first operating shaft 1 is connected with the first spring driving crank arm 2 to drive the first spring driving crank arm 2 to rotate, the second operating shaft 13 is connected with the second spring driving crank arm 11 to drive the second spring driving crank arm 11 to rotate, the left side of the first spring driving crank arm 2 is provided with the first crank arm limiting pin 3 for limiting the rotation angle of the first spring driving crank arm, the left side of the second spring driving crank arm 11 is provided with the second crank arm limiting pin 12 for limiting the rotation angle of the second spring driving crank arm,
the lower part of the first spring driving crank arm 2 is provided with the upper spring supporting seat 5, the lower part of the second spring driving crank arm 11 is provided with the lower spring supporting seat 10, the upper spring supporting seat 5 is sleeved with one end of the spring guide rod 4 in a sliding manner, the lower spring supporting seat 10 is sleeved with the other end of the spring guide rod 4 in a sliding manner, one end of the spring guide rod 4 is connected with the first limiting part 14, and the other end of the spring guide rod 4 is connected with the second limiting part 15;
the outer spring 9 and the inner spring 6 are both sleeved on the outer surface of the spring guide rod 4, the inner spring 6 is positioned at the inner side of the outer spring 9, one end of the outer spring 9 is abutted against the upper spring support seat 5, the other end of the outer spring 9 is abutted against the lower spring support seat 10,
the inner spring support cover 7 is sleeved on the middle of the spring guide rod 4, the inner spring support cover 7 is provided with the inner spring limiting pin 8, the spring guide rod 4 is provided with a long waist hole, the inner spring limiting pin 8 penetrates through the long waist hole and is in surface contact with the right side of the long waist hole when in an initial state, one end of the inner spring 6 is abutted to the upper spring support seat 5, and the other end of the inner spring 6 is abutted to the inner spring support cover 7.
In a preferred embodiment, the long waist hole is located at the middle position of the spring guide rod 4.
In a preferred embodiment, one end of the spring guide rod 4 is provided with a flange for abutting against the left side of the upper spring support seat 5.
In a preferred embodiment, the inner spring support cover 7 is sleeved on the middle part of the spring guide rod 4.
FIG. 2 is a schematic structural diagram showing the energy storage spring structure of the isolating switch in a just working state; FIG. 3 is a schematic diagram of the structure of the energy storage spring of the isolating switch in an over-dead-center state; FIG. 4 is a schematic structural diagram illustrating a structure of an energy storage spring of the isolating switch in a state that the energy release of an inner spring is finished; FIG. 5 is a schematic diagram showing the structure of the energy storage spring structure of the isolating switch in a fully energy-releasing state;
an embodiment of the second aspect of the utility model provides a three-position switch mechanism, this three-position switch mechanism include as above an isolator energy storage spring structure.
An embodiment of the third aspect of the present invention provides an isolating switch, which includes a three-position switch mechanism as described above.
The utility model discloses a theory of operation does:
when the spring structure is operated, the first operating shaft 1 and the first spring driving crank arm 2 are firstly fixed, the second operating shaft 13 is operated to rotate clockwise to drive the second spring driving crank arm 11 to rotate clockwise so that the lower spring supporting seat 10 compresses the outer spring 9, as shown in figure 2, after the lower spring supporting seat 10 moves for a certain angle, the lower spring supporting seat 10 moves together with the contact part of the inner spring supporting cover 7 and the inner spring limiting pin 8, then the inner spring 6 is compressed, and finally the second spring driving crank arm 11 moves to the position of passing the dead point, as shown in figure 3. At the moment, after the energy storage of the spring is finished, the second operating shaft 13 is operated to enable the second spring to drive the crank arm 11 to continue to move, at the moment, the second spring drives the crank arm 11 to continue to rotate under the action of the spring release force and drive the mechanism shaft to move, after the spring continues to release for a certain length, the inner spring supporting cover 7 and the inner spring limiting pin 8 are limited by the long waist hole in the spring guide rod 4, at the moment, the inner spring 6 does not release energy any more, the outer spring 9 continues to release energy, finally the second spring drives the crank arm 11 to move to the second crank arm limiting pin 12, at the moment, the energy release of the spring is finished, the movement of the mechanism shaft is finished, and the mechanism completes the closing operation, as shown in fig. Otherwise, the mechanism completes the opening operation.
In the same way, the second operating shaft 13 and the second spring driving crank arm 11 are not moved, and the first operating shaft 1 is operated anticlockwise, so that the mechanism completes the closing operation. Otherwise, the mechanism completes the opening operation.
The utility model discloses above-mentioned embodiment utilizes the long waist hole in the spring guide arm to carry out the stroke spacing to the internal spring, the release force value of spring in the control, thereby effectively restrict three station switching mechanism axle motion angles, make the power of three station switching mechanism output provide enough big power value when isolator isolating blade leaves the touch socket, only this outer spring effect when isolator blade no-load operation, the very big angular velocity that has reduced the isolator blade, from this very big reduction the impact force that the blade removed to the on-off position, the problem of isolation blade quick travel to the on-off position that the fast-acting isolator exists always produces great impact force is solved, thereby can effectively improve isolator's reliability and mechanical life; the utility model can flexibly match the output force and the output corner of the mechanism according to the type of the isolating switch by improving the position setting of the inner spring, and is suitable for various isolating switches; in the electric wire netting operation, especially under the high reliability running condition, the utility model discloses can effectively improve isolator's combined floodgate and the reliability of separating brake, reduce the power supply accident that brings the initiation from this, reduce the maintenance cost, promote the security and the reliability of power supply.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. An energy storage spring structure of an isolating switch is characterized by comprising a first operating shaft (1), a first spring driving crank arm (2), a first crank arm limiting pin (3), a spring guide rod (4), an upper spring supporting seat (5), an inner spring (6), an inner spring supporting cover (7), an inner spring limiting pin (8), an outer spring (9), a lower spring supporting seat (10), a second spring driving crank arm (11), a second crank arm limiting pin (12), a second operating shaft (13), a first limiting part (14) and a second limiting part (15),
the first operating shaft (1) is connected with the first spring driving crank arm (2) to drive the first spring driving crank arm (2) to rotate, the second operating shaft (13) is connected with the second spring driving crank arm (11) to drive the second spring driving crank arm (11) to rotate, the first crank arm limiting pin (3) used for limiting the rotation angle of the first spring driving crank arm (2) is arranged on the left side, the second crank arm limiting pin (12) used for limiting the rotation angle of the second spring driving crank arm (11) is arranged on the left side,
the lower part of the first spring driving crank arm (2) is provided with the upper spring supporting seat (5), the lower part of the second spring driving crank arm (11) is provided with the lower spring supporting seat (10), the upper spring supporting seat (5) is in sliding sleeve joint with one end of the spring guide rod (4), the lower spring supporting seat (10) is in sliding sleeve joint with the other end of the spring guide rod (4), one end part of the spring guide rod (4) is connected with the first limiting part (14), and the other end part of the spring guide rod (4) is connected with the second limiting part (15);
the outer spring (9) and the inner spring (6) are sleeved on the outer surface of the spring guide rod (4), the inner spring (6) is positioned on the inner side of the outer spring (9), one end of the outer spring (9) is abutted against the upper spring support seat (5), the other end of the outer spring (9) is abutted against the lower spring support seat (10),
inner spring supports lid (7) and cup joints and is located on spring guide arm (4) go up spring supporting seat (5) with part between lower spring supporting seat (10), just set up on inner spring supports lid (7) inner spring spacer pin (8), be equipped with long waist hole on spring guide arm (4), inner spring spacer pin (8) run through when long waist hole and initial condition with long waist hole right side internal surface contact, the one end butt of inner spring (6) go up spring supporting seat (5), the other end butt of inner spring (6) inner spring supports lid (7).
2. The energy storage spring structure of the isolating switch as claimed in claim 1, wherein the long waist hole is located at the middle position of the spring guide rod (4).
3. The energy storage spring structure of the isolating switch as claimed in claim 1, wherein one end of the spring guide rod (4) is provided with a flange for abutting against the left side of the upper spring support seat (5).
4. The energy storage spring structure of the isolating switch as claimed in claim 1, wherein the inner spring support cover (7) is sleeved in the middle of the spring guide rod (4).
5. A three-position switch mechanism comprising an isolating switch energy-storing spring structure according to any one of claims 1 to 4.
6. A disconnector comprising a three-position switching mechanism according to claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557425.3U CN211654666U (en) | 2020-04-15 | 2020-04-15 | Energy storage spring structure of isolating switch, three-position switch and isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020557425.3U CN211654666U (en) | 2020-04-15 | 2020-04-15 | Energy storage spring structure of isolating switch, three-position switch and isolating switch |
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| Publication Number | Publication Date |
|---|---|
| CN211654666U true CN211654666U (en) | 2020-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020557425.3U Active CN211654666U (en) | 2020-04-15 | 2020-04-15 | Energy storage spring structure of isolating switch, three-position switch and isolating switch |
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| Country | Link |
|---|---|
| CN (1) | CN211654666U (en) |
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- 2020-04-15 CN CN202020557425.3U patent/CN211654666U/en active Active
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