CN217280493U - Anti-misoperation closing locking device of pole-mounted circuit breaker - Google Patents
Anti-misoperation closing locking device of pole-mounted circuit breaker Download PDFInfo
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- CN217280493U CN217280493U CN202221191806.XU CN202221191806U CN217280493U CN 217280493 U CN217280493 U CN 217280493U CN 202221191806 U CN202221191806 U CN 202221191806U CN 217280493 U CN217280493 U CN 217280493U
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- pulling plate
- circuit breaker
- travel switch
- positioning
- slide way
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Abstract
The utility model provides a pole-mounted circuit breaker misoperation prevention closing locking device, which comprises a first pulling plate, a manual opening and closing shaft, a second pulling plate, a travel switch and a tension spring; the first pulling plate is provided with a first positioning part; the manual opening and closing shaft penetrates through the first pulling plate and can rotate along the axis of the first pulling plate; the second pulling plate is connected with the first pulling plate in a sliding mode so that the second pulling plate is provided with a locking position and an unlocking position, a second positioning portion and a first slideway are arranged on the second pulling plate, the manual opening and closing shaft penetrates through the first slideway, and the second positioning portion is located between the first positioning portion and the manual opening and closing shaft; the travel switch is arranged on the first pull plate and positioned on one side of the second pull plate and used for controlling the on-off of a closed loop of the electrical system; the tension spring is connected between the first positioning part and the second positioning part, a first vertical line is formed between the first positioning part and the manual separation and combination shaft, and the first vertical line is perpendicular to the first slide way; this application can prevent that the maloperation from resulting in the unexpected combined floodgate of circuit breaker.
Description
Technical Field
The utility model relates to a circuit breaker accessory, especially a circuit breaker prevents maloperation combined floodgate locking means on post.
Background
In the operation and maintenance process of the ZW20 pole-mounted circuit breaker, the accidental switching-on condition of the circuit breaker can occur in the process that the circuit breaker is hooked with a ground wire and a maintainer goes up a pole; or the circuit breaker is already in the switching-on process, the maintenance personnel cannot find the circuit breaker, so that accidental switching-on occurs, and the safety of the maintenance personnel is endangered.
Therefore, the misoperation prevention closing locking device of the pole-mounted circuit breaker is needed to prevent the situation that the ZW20 pole-mounted circuit breaker is closed due to mistaken collision in the operation process.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a post is gone up circuit breaker and is prevented maloperation combined floodgate locking means, under the condition that ZW20 post is gone up the circuit breaker and can manually be closed a floodgate, distinguish the shutting position and unblock the position, ZW20 post is gone up the circuit breaker and can manually divide-shut brake when unblock position, and locking ZW20 post is the switch, unable manual divide-shut brake when the shutting. The utility model adopts the technical proposal that:
a locking device for preventing misoperation of closing of a pole-mounted circuit breaker comprises
The first pull plate is provided with a first positioning part;
the manual opening and closing shaft penetrates through the first pulling plate and can rotate along the axis of the first pulling plate;
the second pulling plate is connected with the first pulling plate in a sliding mode so that the second pulling plate is provided with a locking position and an unlocking position, a second positioning part and a first slideway are arranged on the second pulling plate, the manual opening and closing shaft penetrates through the first slideway, and the second positioning part is positioned between the first positioning part and the manual opening and closing shaft;
the travel switch is arranged on the first pull plate and positioned on one side of the second pull plate and used for controlling the on-off of a closed loop of the electrical system;
and
the tension spring is connected between the first positioning part and the second positioning part, a vertical line between the first positioning part and the manual separation and combination shaft is a first vertical line, and the first vertical line is perpendicular to the first slideway, so that the tension spring has an over-center position;
the end, close to the travel switch, of the first slide way is a limiting end, the end, far away from the travel switch, of the first slide way is a releasing end, and the size of the releasing end is larger than that of the limiting end and used for limiting the manual opening and closing shaft to rotate at the limiting end;
when the second pulling plate is in the locking position, the manual opening and closing shaft is positioned at the limiting end, the second pulling plate is separated from the travel switch, and the second positioning part deflects through one side of the middle position which is far away from the travel switch; when the second pulling plate is in the unlocking position, the manual opening and closing shaft is positioned at the releasing end, the second pulling plate presses the travel switch, and the second positioning part swings towards one side close to the travel switch through the middle position.
Further, be provided with the second slide on the second arm-tie, be equipped with first locating piece on the first arm-tie, first locating piece slides and sets up in the second slide, the second slide is on a parallel with first slide.
Further, the first positioning piece is a limiting bolt, and the limiting bolt is in threaded connection with the first pulling plate.
Furthermore, a rectangular clamping part is arranged on the manual opening and closing shaft, the clamping part is arranged in the first slide way in a sliding mode, the side length of the clamping part is a, the length of a diagonal line is b, the width of the limiting end is c, the width of the releasing end is d, and a is more than c and less than b; b is less than d.
Further, the handle is rotatably connected with the shell of the circuit breaker and used for controlling the second pulling plate to switch between the locking position and the unlocking position.
Furthermore, the handle is provided with a notch, the second pulling plate is provided with a second positioning piece, and the second positioning piece is clamped into the notch to prevent the second pulling plate from being separated from the handle.
Further, still include unblock sign and shutting sign, work as when the second arm-tie is in the unblock position, the directional unblock sign of handle, work as when the second arm-tie is in the shutting position, the directional shutting sign of handle.
The utility model has the advantages that: the second pulling plate slides between the unlocking position and the locking position; when the second pulling plate is unlocked, the manual opening and closing shaft is positioned at the releasing end of the first slideway, the manual opening and closing shaft can rotate freely and can perform manual opening and closing operation, meanwhile, the second pulling plate presses the travel switch, the travel switch is in a closed state, an electric system loop is closed, and opening and closing can be controlled electrically; when the second pull plate is locked, the manual opening and closing shaft is located at the limiting end of the first slide way, the manual opening and closing shaft cannot rotate freely and cannot perform manual opening and closing operation, meanwhile, the travel switch is loosened by the second pull plate and is in a disconnected state, the circuit of an electrical system is disconnected and cannot be opened and closed through electrical control, and therefore the situation that misoperation causes closing is prevented, and the safety of maintenance personnel is effectively protected.
Drawings
Fig. 1 is a schematic diagram of the second pulling plate in the unlocking position.
Fig. 2 is a schematic view of the second pulling plate of the present invention in the locking position.
Fig. 3 is the schematic view of the tension spring in the middle position.
In the figure: 1-a first pulling plate, 2-a manual opening and closing shaft, 3-a second pulling plate, 4-a travel switch, 5-a tension spring, 6-a handle, 101-a first positioning part, 102-a first positioning part, 301-a second positioning part, 302-a first slideway, 303-a second slideway, 304-a second positioning part and 601-a notch.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-3, the utility model provides a pole-mounted circuit breaker anti-misoperation closing locking device, which comprises a first pulling plate 1, a manual opening and closing shaft 2, a second pulling plate 3, a travel switch 4, a tension spring 5 and a handle 6; the first pulling plate 1 is provided with a first positioning part 101; the first pulling plate 1 is positioned on the vertical surface; the first positioning part 101 is a pin shaft, and the axis of the pin shaft is perpendicular to the first pulling plate 1; the manual opening and closing shaft 2 penetrates through the first pulling plate 1 and can rotate along the axis of the first pulling plate; the axis of the manual opening and closing shaft 2 is parallel to the first positioning part 101; the second pulling plate 3 is slidably connected with the first pulling plate 1, so that the second pulling plate 3 has a locking position and an unlocking position; the second pulling plate 3 is positioned on the vertical surface; the second pulling plate 3 is provided with a second positioning part 301 and a first slideway 302, the manual opening and closing shaft 2 penetrates through the first slideway 302, and the second positioning part 301 is positioned between the first positioning part 101 and the manual opening and closing shaft 2; the first chute 302 is arranged in the horizontal direction; the second positioning portion 301 is a pin, and the axis thereof is parallel to the first positioning portion 101; the travel switch 4 is arranged on the first pulling plate 1 and positioned on one side of the second pulling plate 3 and is used for controlling the on-off of a closed loop of an electrical system; the tension spring 5 is connected between the first positioning part 101 and the second positioning part 301, a vertical line between the first positioning part 101 and the manual separation and combination shaft 2 is a first vertical line, and the first vertical line is perpendicular to the first slide way 302, so that the tension spring 5 has an over-center position; when the second pulling plate 3 slides to the locking position or the unlocking position, the second positioning part 301 deflects towards the left side and the right side of the first vertical line through the middle position of the tension spring 5, and the second pulling plate 3 is kept in the locking position or the unlocking position under the action of the tension force of the tension spring 5; the handle 6 is rotatably connected with the shell of the circuit breaker and is used for controlling the second pulling plate 3 to be switched between a locking position and an unlocking position; when the handle 6 swings upwards, the second pulling plate 3 moves from the locking position to the unlocking position, and when the handle 6 swings downwards, the second pulling plate 3 moves from the unlocking position to the locking position; this application handle 6 is located the outside of circuit breaker, and first arm-tie 1 and second arm-tie 3 etc. are located the inside of circuit breaker, make things convenient for the operation of handle 6.
One end of the first slide way 302 close to the travel switch 4 is a limiting end, one end of the first slide way 302 far away from the travel switch 4 is a releasing end, and the size of the releasing end is larger than that of the limiting end and is used for limiting the manual opening and closing shaft to rotate at the limiting end;
specifically, when the second pulling plate 3 is in the locked position, the manual opening and closing shaft 2 is at the limiting end, the second pulling plate 3 is separated from the travel switch 4, and the second positioning portion 301 swings to one side far away from the travel switch 4 through the middle position; when the second pulling plate 3 is in the unlocking position, the manual opening and closing shaft 2 is at the releasing end, the second pulling plate 3 presses the travel switch 4, and the second positioning portion 301 swings to one side close to the travel switch 4 through the middle position.
In this application, in order to realize that second arm-tie 3 slides for first arm-tie 1, be provided with second slide 303 on the second arm-tie 3, be equipped with first setting part 102 on the first arm-tie 1, first setting part 102 slides and sets up in second slide 303, second slide 303 is on a parallel with first slide 302.
In some embodiments, the first positioning member 102 is a limit bolt, and the limit bolt is in threaded connection with the first pulling plate 1; one end of the second slide way 303 is matched with the head of the limiting bolt in shape, so that the first pulling plate 1 can be provided with the limiting bolt firstly and then the second pulling plate 3;
in other embodiments, the number of the first positioning member 102 and the second slide 303 is two or more.
In the application, a rectangular clamping portion is arranged on the manual opening and closing shaft 2, the clamping portion is arranged in the first slide way 302 in a sliding manner, the side length of the clamping portion is a, the diagonal length of the clamping portion is b, the width of the limiting end is c, the width of the releasing end is d, and a is greater than c and less than b; b is less than d.
In the application, a notch 601 is formed in the handle 6, a second positioning member 304 is arranged on the second pull plate 3, and the second positioning member 304 is clamped into the notch 601 to prevent the second pull plate 3 from being separated from the handle 6; in the process of swinging up or down the handle 6, the second positioning member 304 is always limited in the notch 601, so that the handle 6 drives the second pulling plate 3 to slide along the second sliding channel 303.
Further, still include unblock sign and shutting sign, work as when second arm-tie 3 is in the unblock position, the directional unblock sign of handle 6 works as when second arm-tie 3 is in the shutting position, the directional shutting sign of handle 6.
The working process is as follows:
as shown in fig. 3, the swing-down handle 6 is made to point to the locking indication board, the handle 6 drives the second pulling plate 3 to slide along the horizontal direction until the manual opening and closing shaft 2 is positioned at the limit end of the first slideway 302, the second pulling plate 3 leaves the travel switch 4, the manual opening and closing shaft 2 cannot rotate freely, and meanwhile, the travel switch 4 is switched off, and the circuit breaker opening and closing operation cannot be controlled manually or electrically;
as shown in the attached drawing 1, the handle 6 is swung upwards to point to the unlocking indication board, the handle 6 drives the second pulling plate 3 to slide along the horizontal direction, after passing through the middle position shown in the attached drawing 2, until the manual opening and closing shaft 3 is positioned at the releasing end of the first slide way 302, the second pulling plate 3 presses the travel switch 4, the manual opening and closing shaft 2 can rotate freely, the travel switch 4 is closed, and the opening and closing operation of the circuit breaker can be controlled manually or electrically.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a circuit breaker maloperation combined floodgate locking means is prevented to post which characterized in that: comprises that
The device comprises a first pulling plate (1), wherein a first positioning part (101) is arranged on the first pulling plate (1);
the manual split-joint shaft (2) penetrates through the first pulling plate (1) and can rotate along the axis of the first pulling plate;
the second pulling plate (3) is connected to the first pulling plate (1) in a sliding mode, so that the second pulling plate (3) has a locking position and an unlocking position, a second positioning portion (301) and a first slideway (302) are arranged on the second pulling plate (3), the manual engaging shaft (2) penetrates through the first slideway (302), and the second positioning portion (301) is located between the first positioning portion (101) and the manual engaging shaft (2);
the travel switch (4) is arranged on the first pulling plate (1), is positioned on one side of the second pulling plate (3) and is used for controlling the on-off of a closed loop of an electrical system;
and
the tension spring (5) is connected between the first positioning part (101) and the second positioning part (301), a vertical line between the first positioning part (101) and the manual separation and combination shaft (2) is a first vertical line, and the first vertical line is perpendicular to the first slide way (302), so that the tension spring (5) has an over-center position;
one end, close to the travel switch (4), of the first slide way (302) is a limiting end, one end, far away from the travel switch (4), of the first slide way (302) is a releasing end, and the size of the releasing end is larger than that of the limiting end and used for limiting the manual opening and closing shaft to rotate at the limiting end;
when the second pulling plate (3) is in a locking position, the manual opening and closing shaft (2) is located at a limiting end, the second pulling plate (3) is separated from the travel switch (4), and the second positioning part (301) deflects towards one side far away from the travel switch (4) through a middle position; when the second pulling plate (3) is in an unlocking position, the manual opening and closing shaft (2) is located at a releasing end, the second pulling plate (3) presses the travel switch (4), and the second positioning part (301) swings towards one side close to the travel switch (4) through the middle position.
2. The pole-mounted circuit breaker anti-misoperation closing locking device of claim 1, wherein: the second slide way (303) is arranged on the second pulling plate (3), the first positioning piece (102) is arranged on the first pulling plate (1), the first positioning piece (102) is arranged in the second slide way (303) in a sliding mode, and the second slide way (303) is parallel to the first slide way (302).
3. The pole-mounted circuit breaker anti-misoperation closing locking device of claim 2, wherein: the first positioning piece (102) is a limiting bolt, and the limiting bolt is in threaded connection with the first pulling plate (1).
4. The pole-mounted circuit breaker anti-misoperation closing locking device of claim 2, wherein: the manual opening and closing shaft (2) is provided with a rectangular clamping part, the clamping part is arranged in the first slide way (302) in a sliding mode, the side length of the clamping part is a, the diagonal length of the clamping part is b, the width of the limiting end is c, the width of the releasing end is d, and a is larger than c and smaller than b; b is less than d.
5. The pole-mounted circuit breaker anti-misoperation closing locking device of any one of claims 1-3, wherein: the circuit breaker further comprises a handle (6) rotatably connected with the circuit breaker shell, and the handle (6) is used for controlling the second pulling plate (3) to be switched between a locking position and an unlocking position.
6. The pole-mounted circuit breaker anti-misoperation closing locking device of claim 5, wherein: the handle (6) is provided with a notch (601), the second pulling plate (3) is provided with a second positioning piece (304), and the second positioning piece (304) is clamped into the notch (601) to prevent the second pulling plate (3) from being separated from the handle (6).
7. The pole-mounted circuit breaker anti-misoperation closing locking device of claim 5, wherein: still including unblock sign and shutting sign, work as when second arm-tie (3) are in the unblock position, the directional unblock sign of handle (6), work as when second arm-tie (3) are in the shutting position, the directional shutting sign of handle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221191806.XU CN217280493U (en) | 2022-05-17 | 2022-05-17 | Anti-misoperation closing locking device of pole-mounted circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221191806.XU CN217280493U (en) | 2022-05-17 | 2022-05-17 | Anti-misoperation closing locking device of pole-mounted circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217280493U true CN217280493U (en) | 2022-08-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221191806.XU Active CN217280493U (en) | 2022-05-17 | 2022-05-17 | Anti-misoperation closing locking device of pole-mounted circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217280493U (en) |
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2022
- 2022-05-17 CN CN202221191806.XU patent/CN217280493U/en active Active
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