CN210925923U - Circuit breaker and false closing prevention device of spring operating mechanism thereof - Google Patents
Circuit breaker and false closing prevention device of spring operating mechanism thereof Download PDFInfo
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- CN210925923U CN210925923U CN202020082446.4U CN202020082446U CN210925923U CN 210925923 U CN210925923 U CN 210925923U CN 202020082446 U CN202020082446 U CN 202020082446U CN 210925923 U CN210925923 U CN 210925923U
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Abstract
The utility model discloses a circuit breaker and spring operating mechanism prevent mistake and close device thereof, spring operating mechanism prevent mistake and close the device and include: a base; the driven connecting plate is rotatably connected to the base through a pin shaft; the limiting pin a is fixed on the driven connecting plate; the locking crank arm is rotatably connected to the base through a pin shaft; the limiting pin b is fixed on the base; and the elastic pressing piece can apply pressing force towards one side of the limiting pin a and the limiting pin b to the locking crank arm. The error-closing prevention device of the spring operating mechanism can effectively solve the problem that the error-closing prevention device of the spring operating mechanism is poor in reliability.
Description
Technical Field
The utility model relates to an electric power tech field, more specifically say, relate to a circuit breaker and spring operating mechanism prevent mistake and close device thereof.
Background
In the application process of the spring operating mechanism of the circuit breaker, in order to prevent the phenomenon that the closing spring releases energy again due to the misoperation of the closing electromagnet in the closing state, the mechanism needs to have the function of preventing the misoperation under the condition, and the phenomenon that the mechanism is damaged due to larger impact caused by the misoperation is avoided. The error-prevention device in the prior art often has the condition of inaccurate positioning, and directly influences the reliability of the operation of the circuit breaker.
In summary, how to effectively solve the problem of poor reliability of the false-closing prevention device of the spring operating mechanism is a problem that needs to be solved urgently by those skilled in the art at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a first aim at provides a spring operating mechanism prevents that mistake closes device, this spring operating mechanism prevent that mistake that closes device's structural design can solve spring operating mechanism effectively prevent that mistake closes the relatively poor problem of reliability of device, the utility model discloses a second aim at provides a circuit breaker including above-mentioned spring operating mechanism prevent mistake and close device.
In order to achieve the first object, the present invention provides the following technical solutions:
the utility model provides a spring operating mechanism prevent mistake and close device for prevent that the sincere son of spring operating mechanism's combined floodgate dropout from carrying out combined floodgate action under the combined floodgate state, include:
a base;
the driven connecting plate is rotatably connected to the base through a pin shaft;
the limiting pin a is fixed on the driven connecting plate;
the locking crank arm is rotatably connected to the base through a pin shaft;
the limiting pin b is fixed on the base, the limiting pin a and the limiting pin b are positioned on the same side of the locking crank arm, and when the locking crank arm abuts against the limiting pin b, the first end of the locking crank arm can prevent the closing tripping pawl from closing;
and the elastic pressing piece can apply pressing force towards one sides of the limiting pin a and the limiting pin b to the locking crank arm so as to press the locking crank arm on the limiting pin a or the limiting pin b.
Preferably, in the anti-misoperation device of the spring operating mechanism, the driven connecting plate and the locking connecting lever are rotatably connected to the base through the same pin shaft.
Preferably, in the anti-misoperation device of the spring operating mechanism, the elastic compression part is a torsion spring sleeved on a pin shaft of the locking connecting lever.
Preferably, in the anti-misoperation device of the spring operating mechanism, the locking connecting lever is further provided with a limiting groove matched with the limiting pin a.
Preferably, the anti-misoperation device of the spring operating mechanism further comprises a driving connecting plate and a connecting rod which are fixed on an output shaft of the spring operating mechanism, wherein one end of the connecting rod is hinged with the driving connecting plate, and the other end of the connecting rod is hinged with the driven connecting plate;
when the spring operating mechanism performs switching-on operation, the output shaft drives the driving connecting plate, the driven connecting plate and the limiting pin a to rotate along a first direction, so that the locking connecting lever is separated from the limiting pin a and compresses the limiting pin b;
when the spring operating mechanism performs brake-off operation, the output shaft drives the driving connecting plate, the driven connecting plate and the limiting pin a to rotate along a second direction, so that the locking connecting lever is separated from the limiting pin b and compresses the limiting pin a, and the limiting pin a drives the locking connecting lever to rotate until the first end of the locking connecting lever is staggered with the brake release pawl.
Preferably, in the anti-misoperation device of the spring operating mechanism, a surface of the closing tripping pawl, which is used for contacting the locking crank arm, is a guide arc surface.
Preferably, in the anti-misoperation device of the spring operating mechanism, a circle center of the guide arc surface is located on a rotation axis of the closing tripping pawl.
A circuit breaker comprises an anti-misoperation device of a spring operating mechanism.
When the anti-misoperation device of the spring operating mechanism provided by the embodiment is applied, when the breaker is in a closing operation, the driven connecting plate is driven to rotate, the driven connecting plate drives the pin shaft a to rotate, the locking connecting lever is abutted against the pin shaft a until the locking connecting lever is abutted against the pin shaft b, the driven connecting plate and the pin shaft a continue to rotate until the pin shaft a leaves the locking connecting lever, the locking connecting lever is abutted against the pin shaft b at the moment, and the first end of the locking connecting lever can prevent the closing tripping pawl from performing a closing action; when the circuit breaker is in a closing state, the action of the anti-misoperation device is needed to prevent the spring operating mechanism from closing again due to misoperation, so that the aim of preventing the misoperation is fulfilled. Specifically, when the locking crank arm abuts against the pin b, the first end of the locking crank arm is arranged opposite to the closing tripping pawl to prevent the closing tripping pawl from closing, and the closing action of the closing tripping pawl at the position can be rotation or translation.
When the circuit breaker carries out the separating brake operation, the driven even board of back drive rotates, and then driven even board drive round pin axle a rotates and the shutting connecting lever supports on round pin axle b simultaneously, until shutting connecting lever and round pin axle a counterbalance, driven even board and round pin axle a continue to rotate to shutting connecting lever leave round pin axle b, driven even board and spacer pin an drive the shutting connecting lever this moment and rotate to its first end and the sincere son of combined floodgate dropout is wrong mutually, the first end of shutting connecting lever no longer prevents the sincere son of combined floodgate dropout to carry out the combined floodgate action promptly, can realize closing spring energy release after the sincere son of combined floodgate dropout carries out the combined floodgate action, and then realize closing a.
According to the above, the utility model provides a spring operating mechanism prevent mistake device, utilize elasticity to compress tightly the effect of piece and make the shutting connecting lever compress tightly on spacer pin an or spacer pin b, realized spacing accurate to the shutting connecting lever, the reliability is higher to compact structure is simple, is convenient for arrange.
In order to achieve the second objective, the utility model also provides a circuit breaker, this circuit breaker includes that any kind of spring operating mechanism of the aforesaid prevents closing device by mistake. Because the spring operating mechanism anti-misoperation device has the technical effects, the circuit breaker with the spring operating mechanism anti-misoperation device also has corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an anti-misclosing device of a spring operating mechanism according to an embodiment of the present invention, which is in a brake-off state;
fig. 2 is a schematic view of the device for preventing the spring operating mechanism from being closed by mistake according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of the device for preventing the spring operating mechanism from being closed by mistake according to the embodiment of the present invention.
In fig. 1-3:
01-base, 02-driven connecting plate, 03-limiting pin a, 04-torsion spring, 05-locking crank arm, 06-connecting rod, 07-closing release pawl, 08-limiting pin b, 09-driving connecting plate and 010-output shaft.
Detailed Description
A first object of the utility model is to provide a spring operating mechanism prevent mistake and close device, this spring operating mechanism prevent mistake and close the structural design of device and can solve spring operating mechanism effectively prevent the relatively poor problem of reliability that mistake closed the device, the utility model discloses a second object is to provide a prevent mistake including above-mentioned spring operating mechanism and close the circuit breaker of device.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constituted in a specific orientation, and be operated, and thus, are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Please refer to fig. 1-3, the utility model provides a spring operating mechanism prevent mistake closing device mainly used prevents that the sincere 07 of combined floodgate dropout of spring operating mechanism from carrying out the combined floodgate action under the combined floodgate state, can make the combined floodgate spring of spring operating mechanism release energy and then realize the circuit breaker combined floodgate after the sincere 07 of combined floodgate dropout carries out the combined floodgate action.
The anti-misoperation device of the spring operating mechanism comprises a base 01, a driven connecting plate 02, a limiting pin a03, a locking crank arm 05, a limiting pin b08 and an elastic pressing piece. Wherein, driven even board 02 passes through the round pin axle and rotates to be connected on base 01, and driven even board 02 can rotate for base 01 promptly. The spacing pin a03 is fixed on the driven connecting plate 02, that is, the driven connecting plate 02 rotates to drive the spacing pin a03 to rotate together. The locking crank arm 05 is rotatably connected to the base 01 through a pin, that is, the locking crank arm 05 can rotate relative to the base 01.
The spacing pin b08 is fixed on the base 01, and the spacing pin a03 and the spacing pin b08 are located on the same side of the locking crank arm 05. When the locking crank arm 05 abuts against the limiting pin b08, the first end of the locking crank arm 05 can prevent the closing tripping pawl 07 from closing, and further prevent the closing spring of the spring operating mechanism from releasing energy. The second end of the locking crank arm 05 can be pivotally connected to the base 01 by a pin.
The elastic pressing piece can always apply pressing force to the locking crank arm 05 towards one side of the stopper pin a03 and the stopper pin b08, so that the locking crank arm 05 is pressed on the stopper pin a03 or the stopper pin b 08. Due to the pressing force of the elastic pressing member, the locking crank arm 05 is always pressed against one of the stopper pin a03 and the stopper pin b 08.
When the anti-misoperation device of the spring operating mechanism provided by the embodiment is applied, when the breaker is in a closing operation, the driven connecting plate 02 is driven to rotate, then the driven connecting plate 02 drives the pin shaft a to rotate, the locking connecting lever 05 abuts against the pin shaft a at the same time, until the locking connecting lever 05 abuts against the pin shaft b, the driven connecting plate 02 and the pin shaft a continue to rotate until the pin shaft a leaves the locking connecting lever 05, at the moment, the locking connecting lever 05 abuts against the pin shaft b, and the first end of the locking connecting lever 05 can prevent the closing tripping pawl 07 from closing; when the circuit breaker is in a closing state, the action of the anti-misoperation device is needed to prevent the spring operating mechanism from closing again due to misoperation, so that the aim of preventing the misoperation is fulfilled. Specifically, when the locking crank arm 05 abuts against the pin b, the first end of the locking crank arm 05 is arranged opposite to the closing tripping pawl 07 to prevent the closing tripping pawl 07 from performing a closing action, and the closing action of the closing tripping pawl 07 at the position can be rotation or translation.
When the circuit breaker is operated to open a brake, the driven connecting plate 02 is driven to rotate in a reverse direction, and then the driven connecting plate 02 drives the pin shaft a to rotate and the locking connecting arm 05 abuts against the pin shaft b at the same time, until the locking connecting arm 05 abuts against the pin shaft a, the driven connecting plate 02 and the pin shaft a continue to rotate until the locking connecting arm 05 leaves the pin shaft b, at the moment, the driven connecting plate 02 and the limiting pin a03 drive the locking connecting arm 05 to rotate until the first end of the locking connecting arm 05 is staggered with the closing release pawl 07, namely, the first end of the locking connecting arm 05 no longer prevents the closing release pawl 07 to perform a closing action, and the closing release pawl 07 can realize the energy release of a closing spring after performing the closing action, so that.
By last knowing, the utility model provides a spring operating mechanism prevent mistake device in, utilize elasticity to compress tightly the effect of piece and make shutting connecting lever 05 compress tightly on spacer pin a03 or spacer pin b08, realized spacing accurate to shutting connecting lever 05, the reliability is higher to compact structure is simple, is convenient for arrange.
To further simplify the structure, the driven link plate 02 and the locking crank arm 05 can be pivotally connected to the base 01 by the same pin. Of course, the driven connecting plate 02 and the locking crank arm 05 can also be rotatably connected to the base 01 through two pins, respectively, which is not limited herein.
In a specific embodiment, the elastic pressing member may be a torsion spring 04 sleeved on the pin of the locking crank arm 05. The locking crank arm 05 is pressed on the limit pin a03 or the limit pin b08 by the torsion force of the torsion spring 04.
Of course, the elastic pressing member may also be a compression spring, etc., and is not limited herein.
For convenience of positioning, the locking crank arm 05 may further be provided with a limiting groove matched with the limiting pin a03, and the limiting pin a03 enters the limiting groove to realize that the locking crank arm 05 abuts against the limiting pin a03, which is not limited herein.
In order to save driving parts, the anti-false-closing device of the spring operating mechanism further comprises a driving connecting plate 09 and a connecting rod 06, wherein the driving connecting plate 09 is fixed on the output shaft 010 of the spring operating mechanism, one end of the connecting rod 06 is hinged with the driving connecting plate 09, and the other end of the connecting rod 06 is hinged with the driven connecting plate 02. So set up, when the spring operating mechanism switched on the floodgate operation, output shaft 010 drove initiative even board 09, connecting rod 06, driven even board 02 and spacer pin a03 and rotates along first direction to make shutting connecting lever 05 and spacer pin a03 separate and compress tightly spacer pin b08, output shaft 010 drives driven even board 02 and spacer pin a03 and continues to rotate and realize closing the floodgate, when so realizing closing the floodgate, shutting connecting lever 05 offsets with spacer pin b08, realizes preventing the misconnection.
When the spring operating mechanism performs a switching-off operation, the output shaft 010 drives the driving connecting plate 09, the connecting rod 06, the driven connecting plate 02 and the limit pin a03 to rotate along a second direction, so that the locking connecting lever 05 is separated from the limit pin b08 and presses the limit pin a03, and the limit pin a03 drives the locking connecting lever 05 to rotate until a first end of the locking connecting lever 05 is staggered with the switching-on tripping pawl 07. That is, when the brake is opened, the output shaft 010 drives the locking crank arm 05 to rotate until the first end of the locking crank arm is staggered with the brake-closing tripping pawl 07, so that the brake-closing tripping pawl 07 is convenient to perform the next brake closing.
Specifically, the first direction may be clockwise, and the second direction may be counterclockwise.
In order to improve the reliability of the anti-false-closing function, the surface of the closing tripping pawl 07, which is used for contacting the locking crank arm 05, can be a guiding cambered surface. Furthermore, the circle center of the guide arc surface is positioned on the rotating axis of the closing tripping pawl 07, so that when all parts are in stressed contact, stress passes through the rotating center, additional torque on the rotating part is reduced, and the part can rotate more flexibly.
The spring operating mechanism that provides based on the above-mentioned embodiment prevents that the mistake closes the device, the utility model also provides a circuit breaker, this circuit breaker include the mistake of closing the device of preventing of arbitrary spring operating mechanism in the above-mentioned embodiment. Because the circuit breaker adopts the anti-misoperation device of the spring operating mechanism in the above embodiment, please refer to the above embodiment for the beneficial effects of the circuit breaker.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a spring operating mechanism prevent mistake and close device for prevent that spring operating mechanism's the sincere son of combined floodgate dropout from carrying out combined floodgate action under the combined floodgate state, a serial communication port, include:
a base (01);
the driven connecting plate (02) is rotatably connected to the base (01) through a pin shaft;
the limiting pin a (03) is fixed on the driven connecting plate (02);
the locking crank arm (05), the locking crank arm (05) is rotatably connected to the base (01) through a pin shaft;
the limiting pin b (08) is fixed on the base (01), the limiting pin a (03) and the limiting pin b (08) are located on the same side of the locking crank arm (05), and when the locking crank arm (05) abuts against the limiting pin b (08), the first end of the locking crank arm (05) can prevent the closing tripping pawl (07) from closing;
and the elastic pressing piece can apply pressing force towards one side of the limiting pin a (03) and the limiting pin b (08) to the locking crank arm (05) so as to press the locking crank arm (05) on the limiting pin a (03) or the limiting pin b (08).
2. The device for preventing the spring operating mechanism from being closed by mistake as claimed in claim 1, wherein the driven connecting plate (02) and the locking crank arm (05) are rotatably connected to the base (01) through the same pin shaft.
3. The device for preventing the spring operating mechanism from being closed mistakenly according to claim 1, wherein the elastic pressing piece is a torsion spring (04) sleeved on a pin shaft of the locking crank arm (05).
4. The device for preventing the spring operating mechanism from being closed by mistake as claimed in claim 1, wherein the locking crank arm (05) is further provided with a limit groove matched with the limit pin a (03).
5. The device for preventing the spring operating mechanism from being closed mistakenly according to any one of claims 1-4, further comprising a driving connecting plate (09) and a connecting rod (06) which are fixed on an output shaft (010) of the spring operating mechanism, wherein one end of the connecting rod (06) is hinged with the driving connecting plate (09) and the other end of the connecting rod is hinged with the driven connecting plate;
when the spring operating mechanism performs a closing operation, the output shaft (010) drives the driving connecting plate (09), the driven connecting plate and the limiting pin a (03) to rotate along a first direction, so that the locking connecting lever (05) is separated from the limiting pin a (03) and presses the limiting pin b (08);
when the spring operating mechanism is used for switching off, the output shaft (010) drives the driving connecting plate (09), the driven connecting plate and the limiting pin a (03) to rotate along a second direction, so that the locking connecting arm (05) is separated from the limiting pin b (08) and tightly presses the limiting pin a (03), and the limiting pin a (03) drives the locking connecting arm (05) to rotate to the first end of the locking connecting arm and be staggered with the closing tripping pawl (07).
6. The device for preventing the spring operating mechanism from being closed according to any one of claims 1 to 4, wherein a surface of the closing tripping pawl (07) for contacting the locking crank arm (05) is a guiding arc surface.
7. The device for preventing the spring operating mechanism from being closed according to claim 6, wherein the center of the guide arc surface is located on the rotation axis of the closing tripping pawl (07).
8. A circuit breaker including an anti-misconnection arrangement for a spring operated mechanism according to any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020082446.4U CN210925923U (en) | 2020-01-15 | 2020-01-15 | Circuit breaker and false closing prevention device of spring operating mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020082446.4U CN210925923U (en) | 2020-01-15 | 2020-01-15 | Circuit breaker and false closing prevention device of spring operating mechanism thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210925923U true CN210925923U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020082446.4U Active CN210925923U (en) | 2020-01-15 | 2020-01-15 | Circuit breaker and false closing prevention device of spring operating mechanism thereof |
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| CN (1) | CN210925923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113270A (en) * | 2021-04-14 | 2021-07-13 | 西安西电开关电气有限公司 | Closing keeping and opening tripping system |
-
2020
- 2020-01-15 CN CN202020082446.4U patent/CN210925923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113113270A (en) * | 2021-04-14 | 2021-07-13 | 西安西电开关电气有限公司 | Closing keeping and opening tripping system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221026 Address after: 710076 No.24, Dengling Road, Hi tech Zone, Xi'an, Shaanxi Patentee after: XI'AN XD HIGH VOLTAGE SWITCHGEAR OPERATING MECHANISM CO.,LTD. Patentee after: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. Patentee after: CHINA XD ELECTRIC Co.,Ltd. Address before: No.509 Daqing Road, Lianhu District, Xi'an City, Shaanxi Province Patentee before: XI'AN XD SWITCHGEAR ELECTIC Co.,Ltd. Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
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| TR01 | Transfer of patent right |