CN112133609B - Spring operating mechanism, closing lock catch system and circuit breaker - Google Patents
Spring operating mechanism, closing lock catch system and circuit breaker Download PDFInfo
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- CN112133609B CN112133609B CN202010784281.XA CN202010784281A CN112133609B CN 112133609 B CN112133609 B CN 112133609B CN 202010784281 A CN202010784281 A CN 202010784281A CN 112133609 B CN112133609 B CN 112133609B
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- half shaft
- shaft
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1054—Means for avoiding unauthorised release
Abstract
The invention relates to a spring operating mechanism, a closing lock catch system and a circuit breaker. The spring operating mechanism includes: the output shaft, the sector plate rotating shaft and the opening half shaft which are parallel to each other are arranged on the rack; the output shaft is provided with a transmission crank arm which is provided with a retaining arm; a notch is arranged on the opening half shaft, and the bottom of the notch is a plane; the fan-shaped plate rotating shaft is provided with a fan-shaped plate, a fan-shaped plate return spring is arranged between the fan-shaped plate and the rack, the fan-shaped plate is provided with a retaining protrusion and a half shaft matching part, the half shaft matching part is provided with a matching surface, and the matching surface is used for being matched with the plane of the notch; the matching surface is an arc surface, and a central line corresponding to the arc surface is superposed with the axis of the rotating shaft of the sector plate. Because the opening half shaft cannot impact the opening half shaft in the forward rotation process of the half shaft matching part, after the half shaft matching part is separated from the opening half shaft, the opening half shaft can rotate forward immediately so as to ensure that the half shaft matching part which rotates backward is blocked.
Description
Technical Field
The invention relates to a spring operating mechanism, a closing lock catch system and a breaker.
Background
The spring operating mechanism has the advantages of simple principle, low cost, stable energy storage and the like, and is widely applied to various switch devices. Chinese patent with application publication No. CN101763960A discloses a spring operating mechanism, which comprises a frame, wherein the frame comprises two parallel vertical plates, an energy storage shaft, an output shaft, a closing half shaft, a separating brake half shaft, a first catch shaft and a second catch shaft which are parallel to each other are vertically arranged through the two vertical plates, a closing cam is fixed on the energy storage shaft, a transmission connecting lever is fixed on the output shaft, and the transmission connecting lever is provided with a holding arm, a recovery arm, a buffer arm movably connected with a buffer and a power arm matched with a closing protrusion; the second pawl shaft is provided with a closing holding pawl, the second pawl shaft is positioned at the right end of the closing holding pawl, a holding protrusion is arranged at the upper left of the closing holding pawl, the left end of the closing holding pawl is provided with a half shaft matching part, the half shaft matching part is provided with a matching surface matched with the plane of the opening half shaft and a stopping part, and the matching surface is a plane; and the closing half shaft, the energy storage retaining pawl, the opening half shaft and the closing retaining pawl are respectively provided with a reset spring.
When the spring operating mechanism is in an energy storage state, the half shaft matching part of the energy storage retaining pawl is stopped on a semicircular surface of a closing half shaft, the semicircular surface forms a stopping part, the closing cam abuts against the right end of the closing retaining pawl and has anticlockwise moment on the energy storage retaining pawl, the retaining arm abuts against the upper surface of the closing retaining pawl and is positioned on the right side of the retaining protrusion, and the matching surface of the half shaft matching part of the closing retaining pawl abuts against the plane of the opening half shaft; in a holding state, the holding arm abuts against the left side of the holding protrusion of the closing holding pawl, the closing holding pawl has anticlockwise moment, and the half shaft matching part of the closing holding pawl abuts against the semi-circular surface of the opening half shaft; in the opening state, the left end of the energy storage retaining pawl abuts against the semi-circular surface of the closing half shaft, the retaining arm abuts against the upper surface of the closing retaining pawl and is positioned on the right side of the retaining protrusion, and the matching surface of the half shaft matching part of the closing retaining pawl abuts against the plane of the opening half shaft again.
In the process that the spring operating mechanism moves from the energy storage state to the holding state, the holding arm moves leftwards, the closing holding pawl rotates anticlockwise, namely, the half shaft matching part of the closing holding pawl moves downwards, and the opening half shaft can rotate clockwise under the action of the reset spring because the half shaft matching part and the opening half shaft are in a matching relationship between a plane and a plane; when the retaining arm passes over the retaining protrusion, the closing retaining pawl rotates clockwise under the action of the reset spring, namely, the half shaft matching part of the closing retaining pawl moves upwards, and meanwhile, the half shaft matching part rapidly impacts the opening half shaft, so that the opening half shaft rotates anticlockwise in a small amplitude; after the closing holding pawl is separated from the opening half shaft, the opening half shaft rotates clockwise under the action of the reset spring, the holding arm returns to abut against the left side of the holding protrusion, and counterclockwise torque is applied to the closing holding pawl, so that the closing holding pawl has a counterclockwise rotation trend.
Because the elastic force of the reset spring can be weakened after long-time use, and in the process of separating the closing holding pawl from the opening half shaft, the half shaft matching part can cause the opening half shaft to rotate anticlockwise in a small amplitude, so that the opening half shaft is not easy to timely return to the position to stop the closing holding pawl, the closing lock catch fails, and the spring operating mechanism cannot be in a closing holding state.
Disclosure of Invention
The invention aims to provide a spring operating mechanism to solve the technical problem that in the prior art, in the process of separating a closing retaining latch from an opening half shaft, a half shaft matching part can cause the opening half shaft to rotate anticlockwise in a small amplitude, so that a closing latch fails; the invention aims to provide a closing lock catch system, which aims to solve the technical problem that in the prior art, in the process of separating a closing holding pawl from an opening half shaft, the half shaft matching part can cause small-amplitude anticlockwise rotation of the opening half shaft, so that the closing lock catch fails; the invention also aims to provide a circuit breaker, which solves the technical problem that in the prior art, in the process of separating a closing holding pawl from an opening half shaft, the half shaft matching part can cause small-amplitude anticlockwise rotation of the opening half shaft, so that the closing lock catch fails.
In order to achieve the purpose, the technical scheme of the spring operating mechanism is as follows:
the spring operating mechanism includes:
the device comprises a rack, a brake-separating mechanism and a brake-separating mechanism, wherein an output shaft, a sector plate rotating shaft and a brake-separating half shaft which are parallel to each other are arranged on the rack;
the output shaft is provided with a transmission crank arm which is provided with a retaining arm;
a notch is arranged on the opening half shaft, and the bottom of the notch is a plane;
the fan-shaped plate rotating shaft is provided with a fan-shaped plate, a fan-shaped plate return spring is arranged between the fan-shaped plate and the rack, the fan-shaped plate is provided with a retaining protrusion and a half shaft matching part, the half shaft matching part is provided with a matching surface, and the matching surface is used for being matched with the plane of the notch;
the matching surface is an arc surface, and the central line corresponding to the arc surface is superposed with the axis of the rotating shaft of the sector plate.
The beneficial effects are that: when the retaining arm rotates forwards, the retaining arm moves towards the retaining protrusion from one side of the retaining protrusion to push the sector plate to rotate reversely, the half shaft matching part rotates reversely along with the sector plate, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, and the opening half shaft does not move;
then the holding arm moves from the holding protrusion to the other side of the holding protrusion, at the moment, the sector plate rotates forward under the action of the sector plate return spring, the half shaft matching part rotates forward along with the sector plate, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, the opening half shaft does not act, after the half shaft matching part is separated from the opening half shaft, the half shaft matching part continues to rotate forward under the action of the sector plate return spring, and the opening half shaft rotates forward under the action of the half shaft return spring to block the half shaft matching part which rotates back in the reverse direction;
then the retaining arm rotates reversely, the retaining arm pushes the other side of the retaining protrusion to drive the sector plate to rotate reversely, the half shaft matching part of the sector plate is blocked by the opening half shaft to realize locking of the retaining arm, and the output shaft is locked at the closing position.
Because the brake-separating half shaft cannot impact the brake-separating half shaft in the forward rotation process of the half shaft matching part, after the half shaft matching part is separated from the brake-separating half shaft, the brake-separating half shaft can rotate forward immediately so as to ensure that the half shaft matching part which rotates backward is blocked.
Furthermore, the half shaft matching part is provided with a lower plane, and a corner structure is formed at the connecting position of the lower plane and the circular arc surface.
The beneficial effects are that: so as to ensure the stability of the lower plane buckling of the brake-separating half shaft and the half shaft matching part.
Furthermore, the half shaft matching part is provided with an upper plane, and the upper plane is in smooth transition connection with the arc surface.
Furthermore, an arc-shaped limiting hole is formed in the sector plate, the central line corresponding to the arc-shaped limiting hole coincides with the axis of the sector plate rotating shaft, and a limiting shaft is arranged on the rack and used for being in limiting fit with the arc-shaped limiting hole so that the sector plate can rotate within a set range.
The beneficial effects are that: the fan-shaped plate is ensured not to rotate forwards or backwards excessively.
In order to achieve the purpose, the technical scheme of the closing lock catch system is as follows:
closing a floodgate hasp system includes:
the device comprises an output shaft, a sector plate rotating shaft and a brake-separating half shaft which are parallel to each other, wherein the brake-separating half shaft is connected with a half shaft reset spring, and the arrangement direction of the sector plate rotating shaft and the brake-separating half shaft is defined as the left-right direction;
the output shaft is provided with a transmission crank arm which is provided with a retaining arm;
a notch is arranged on the opening half shaft, and the bottom of the notch is a plane;
the fan-shaped plate rotating shaft is provided with a fan-shaped plate, the fan-shaped plate is connected with a fan-shaped plate return spring, the fan-shaped plate is provided with a retaining protrusion and a half shaft matching part, the half shaft matching part is provided with a matching surface, and the matching surface is used for being matched with the plane of the notch;
the matching surface is an arc surface, and a central line corresponding to the arc surface is superposed with the axis of the rotating shaft of the sector plate.
The beneficial effects are that: when the retaining arm rotates forwards, the retaining arm moves towards the retaining protrusion from one side of the retaining protrusion to push the sector plate to rotate reversely, the half shaft matching part rotates reversely along with the sector plate, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, and the opening half shaft does not move;
then the retaining arm moves from the retaining protrusion to the other side of the retaining protrusion, at the moment, the sector plate rotates forward under the action of the sector plate return spring, the half shaft matching part rotates forward along with the sector plate, an arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, the opening half shaft does not act, after the half shaft matching part is separated from the opening half shaft, the half shaft matching part continues to rotate forward under the action of the sector plate return spring, and the opening half shaft rotates forward under the action of the half shaft return spring so as to block the half shaft matching part which rotates back in the reverse direction;
then the retaining arm rotates reversely, the retaining arm pushes the other side of the retaining protrusion to drive the sector plate to rotate reversely, the half shaft matching part of the sector plate is blocked by the opening half shaft to realize locking of the retaining arm, and the output shaft is locked at the closing position.
Because the brake separating half shaft cannot impact the brake separating half shaft in the forward rotation process of the half shaft matching part, after the half shaft matching part is separated from the brake separating half shaft, the brake separating half shaft can immediately rotate in the forward direction, so that the half shaft matching part which rotates back in the reverse direction is blocked.
Furthermore, the half shaft matching part is provided with a lower plane, and a corner structure is formed at the connecting position of the lower plane and the circular arc surface.
The beneficial effects are that: so as to ensure the stability of the lower plane buckling of the opening half shaft and the half shaft matching part.
Furthermore, the half shaft matching part is provided with an upper plane, and the upper plane is in smooth transition connection with the arc surface.
In order to achieve the purpose, the technical scheme of the circuit breaker is as follows:
the circuit breaker, including the box, be equipped with spring operating mechanism in the box, spring operating mechanism includes:
the device comprises a rack, a driving mechanism and a control mechanism, wherein an output shaft, a sector plate rotating shaft and a brake-separating half shaft which are parallel to each other are arranged on the rack;
the output shaft is provided with a transmission crank arm which is provided with a retaining arm;
a notch is arranged on the opening half shaft, and the bottom of the notch is a plane;
the fan-shaped plate rotating shaft is provided with a fan-shaped plate, a fan-shaped plate return spring is arranged between the fan-shaped plate and the rack, the fan-shaped plate is provided with a retaining protrusion and a half shaft matching part, the half shaft matching part is provided with a matching surface, and the matching surface is used for being matched with the plane of the notch;
the matching surface is an arc surface, and the central line corresponding to the arc surface is superposed with the axis of the rotating shaft of the sector plate.
The beneficial effects are that: when the retaining arm rotates forwards, the retaining arm moves towards the retaining protrusion from one side of the retaining protrusion to push the sector plate to rotate reversely, the half shaft matching part rotates reversely along with the sector plate, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, and the opening half shaft does not move;
then the holding arm moves from the holding protrusion to the other side of the holding protrusion, at the moment, the sector plate rotates forward under the action of the sector plate return spring, the half shaft matching part rotates forward along with the sector plate, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, the opening half shaft does not act, after the half shaft matching part is separated from the opening half shaft, the half shaft matching part continues to rotate forward under the action of the sector plate return spring, and the opening half shaft rotates forward under the action of the half shaft return spring to block the half shaft matching part which rotates back in the reverse direction;
then the retaining arm rotates reversely, the retaining arm pushes the other side of the retaining protrusion to drive the sector plate to rotate reversely, the half shaft matching part of the sector plate is blocked by the opening half shaft to realize locking of the retaining arm, and the output shaft is locked at the closing position.
Because the brake-separating half shaft cannot impact the brake-separating half shaft in the forward rotation process of the half shaft matching part, after the half shaft matching part is separated from the brake-separating half shaft, the brake-separating half shaft can rotate forward immediately so as to ensure that the half shaft matching part which rotates backward is blocked.
Furthermore, the half shaft matching part is provided with a lower plane, and a corner structure is formed at the connecting position of the lower plane and the circular arc surface.
The beneficial effects are that: so as to ensure the stability of the lower plane buckling of the brake-separating half shaft and the half shaft matching part.
Furthermore, the half shaft matching part is provided with an upper plane, and the upper plane is in smooth transition connection with the arc surface.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of a spring operating mechanism according to the present invention;
fig. 2 is a schematic structural diagram of the closing latch system in fig. 1 before locking;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
fig. 4 is a schematic structural diagram of the closing latch system in fig. 1 after locking;
FIG. 5 is a schematic view of the structure of FIG. 4 from another perspective;
FIG. 6 is a schematic structural view of the transmission crank arm in FIG. 1;
FIG. 7 is a schematic structural view of the sector plate of FIG. 1;
FIG. 8 is a schematic structural view of the brake-separating half shaft of FIG. 1;
in the figure: 1-a frame; 2-an output shaft; 3-a retaining arm; 4-a buffer arm; 5-restoring the arm; 6-a power arm; 7-sector plate rotating shaft; 8-sector plates; 9-opening half shaft; 10-a buffer; 11-a roller; 12-a retention projection; 13-half shaft mating section; 14-arc limiting holes; 15-left limiting plate; 16-an adjusting bolt; 17-a right limit plate; 18-a top plate of the opening gate; 19-a limiting shaft; 20-avoiding holes; 21-crank arm mounting holes; 22-sector plate mounting holes; 23-connecting shaft mounting holes; 24-arc surface; 25-notch; 26-plane; 27-a first mating face; 28-a second mating face; 29-upper plane; 30-lower plane; 31-a connecting shaft; 32-connecting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element. Furthermore, the terms "upper" and "lower" are based on the orientation and positional relationship shown in the drawings and are only for convenience of description of the present invention, and do not indicate that the referred device or component must have a specific orientation, and thus, should not be construed as limiting the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
The specific embodiment 1 of the spring operating mechanism of the invention:
as shown in fig. 1, the spring operating mechanism includes a frame 1, the frame 1 includes two vertical plates that are arranged in parallel, the two vertical plates are provided with an output shaft 2, a sector plate rotating shaft 7 and a switching-off half shaft 9 that are parallel to each other, and the output shaft 2, the sector plate rotating shaft 7 and the switching-off half shaft 9 are all perpendicular to the vertical plates.
In this embodiment, the output shaft 2, the sector plate rotating shaft 7 and the opening half shaft 9 are arranged in a delta shape, the sector plate rotating shaft 7 and the opening half shaft 9 are arranged in the left-right direction, and the output shaft 2 is arranged above the sector plate rotating shaft 7 and the opening half shaft 9.
The opening half shaft 9 is connected with a half shaft return spring (not shown), and the half shaft return spring applies a spring acting force to the opening half shaft 9 to force the opening half shaft to rotate in the anticlockwise direction. Specifically, as shown in fig. 7, a connecting plate 32 is fixedly arranged on the opening half shaft 9 through a screw, the connecting plate 32 is of an L-shaped structure, the upper end of the half shaft return spring is connected to a vertical section of the connecting plate 32, and the lower end of the half shaft return spring is connected to the rack 1.
As shown in fig. 1 and 6, a connecting lever mounting hole 21 is formed in the transmission connecting lever, the transmission connecting lever is assembled on the output shaft 2 through the connecting lever mounting hole 21, the transmission connecting lever is provided with a retaining arm 3, a buffer arm 4, a recovery arm 5 and a power arm 6, rollers 11 are arranged at the end portions of the retaining arm 3, the buffer arm 4, the recovery arm 5 and the power arm 6, and the rollers 11 can reduce resistance in the transmission process and ensure smooth and labor-saving transmission. Wherein, the lower part of the buffer arm 4 is provided with a buffer 10, and when the brake is opened, the buffer 10 is matched with the buffer arm 4 in a pushing way to buffer the brake opening force. In the present embodiment, the roller 11 constitutes a rolling member, and in other embodiments, the rolling member is a rolling bearing.
As shown in fig. 1 and 8, a notch 25 is provided on the opening half shaft 9, and the bottom of the notch 25 is a plane 26, in this embodiment, the notch 25 is a semicircular notch.
As shown in fig. 1 and 7, the sector plate 8 is provided with a sector plate mounting hole 22, the sector plate 8 is assembled on the sector plate rotating shaft 7 through the sector plate mounting hole 22, the sector plate 8 has a holding protrusion 12 and a half shaft engaging portion 13, the sector plate 8 is provided with a first engaging surface 27 and a second engaging surface 28 on the left and right sides of the holding protrusion 12, respectively, and both the first engaging surface 27 and the second engaging surface 28 are used for press-fitting with the roller 11 of the holding arm 3.
In this embodiment, the half-axle matching part 13 has an arc surface 24, and the arc surface 24 is used for matching with a plane 26 of the notch 25, so that the arc surface 24 is always tangent to the plane 26 in the process that the half-axle matching part 13 rotates along with the sector plate, and the arc surface 24 is a matching surface. Wherein, the upper side surface of the half shaft matching part 13 is an upper plane 29, and the right end of the upper plane 29 is connected with the upper end of the arc surface 24 in a smooth transition way; the lower side surface of the half shaft matching part 13 is a lower plane 30, and the connecting position of the right end of the lower plane 30 and the lower end of the arc surface 24 is of an edge structure, so that the fastening stability of the opening half shaft 9 and the lower plane 30 of the half shaft matching part 13 is ensured. In other embodiments, the connecting position of the right end of the upper plane and the upper end of the arc surface is in an angular structure.
In this embodiment, a sector plate return spring (not shown) is attached to the sector plate 8, and the sector plate return spring applies a spring force to the sector plate 8 to urge it to rotate in the counterclockwise direction. Specifically, as shown in fig. 5 and 7, the sector plate 8 is provided with a connecting shaft mounting hole 23, a connecting shaft 31 is mounted in the connecting shaft mounting hole 23, the lower end of the sector plate return spring is connected to the connecting shaft 31, and the upper end of the sector plate return spring is connected to the frame 1.
As shown in fig. 3 and 7, the sector plate 8 is further provided with an arc-shaped limiting hole 14, the frame 1 is fixedly provided with a limiting shaft 19, and the limiting shaft 19 is inserted into the arc-shaped limiting hole 14 to limit the sector plate 8, so that the sector plate 8 rotates within a set range.
As shown in fig. 2 and 3, the frame 1 is further fixedly provided with a left limit plate 15 and a right limit plate 17, the opening half shaft 9 is fixedly provided with an opening top plate 18, the opening top plate 18 is provided with an adjusting bolt 16 at positions corresponding to the left limit plate 15 and the right limit plate 17, the adjusting bolt 16 is in threaded connection with the opening top plate 18, and after the spring operating mechanism is assembled, the adjusting bolt 16 is screwed to ensure the fastening amount of the opening half shaft 9 and the half shaft matching part 13.
In this embodiment, an electromagnet (not shown) is arranged below the left limiting plate 15, the electromagnet is fixedly arranged on the rack 1, an avoiding hole 20 is formed in the left limiting plate 15, and the avoiding hole 20 is used for avoiding an output end of the electromagnet, so that the output end of the electromagnet impacts the opening top plate 18, and the counterclockwise rotation of the opening half shaft 9 is realized.
In this embodiment, the output shaft 2, the sector plate rotating shaft 7, the opening half shaft 9, the transmission crank arm arranged on the output shaft 2, and the sector plate arranged on the sector plate rotating shaft 7 together form a closing locking system.
The spring operating mechanism in the embodiment adopts a two-stage locking mode, is suitable for the spring operating mechanism for the medium-low voltage circuit breaker, and changes a locking process from a matching mode to a waiting mode, so that the locking success rate is greatly improved, the matching technical requirement of a reset spring of a closing locking system is reduced, the product qualification rate is improved, the maintenance frequency of product closing failure is reduced, and the product maintenance cost is reduced. .
In the process that the spring operating mechanism in this embodiment moves from the closing energy storage state to the closing holding state, as shown in fig. 2 and 3, the cam on the frame 1 strikes the power arm 6, so that the transmission connecting lever rotates counterclockwise, and further the holding arm 3 on the transmission connecting lever rotates counterclockwise, i.e., moves leftward, the roller 11 on the holding arm 3 presses against the sector plate 8 to drive the sector plate 8 to rotate clockwise, i.e., the half-shaft matching portion 13 of the sector plate 8 moves downward, and since the arc surface 24 of the half-shaft matching portion 13 is tangent to the plane 26 of the notch 25, the arc surface 24 always abuts against the plane 26 in the downward movement process of the half-shaft matching portion 13, and the opening half shaft 9 cannot move.
As shown in fig. 4 and 5, after the roller 11 of the retaining arm 3 passes over the retaining protrusion 12, the sector plate 8 rotates counterclockwise under the action of the sector plate return spring, i.e. the half-shaft engaging portion 13 of the sector plate 8 moves upward, in the process, the arc surface 24 still abuts against the plane 26 all the time, and the opening half-shaft 9 still cannot move; after the half shaft matching part 13 of the sector plate 8 rotates out of the notch 25 and is separated from the opening half shaft 9, the opening half shaft 9 immediately rotates anticlockwise under the action of the half shaft return spring and stops rotating when the adjusting bolt 16 touches the left limiting plate 15, after the cam is separated from the power arm 6, the retaining arm 3 starts rotating clockwise along with the transmission connecting lever, the roller 11 on the retaining arm 3 abuts against the right side of the retaining protrusion 12 and applies clockwise moment to the sector plate 8, so that the sector plate 8 rotates anticlockwise and abuts against the semicircular surface of the opening half shaft 9 through the lower plane 30, at the moment, locking is completed, and the transmission connecting lever is kept at a closing position.
When the opening top plate 18 is impacted by the output end of the electromagnet, the opening half shaft 9 starts to rotate clockwise, the semicircular surface of the opening half shaft 9 does not stop against the half shaft matching part 13 of the sector plate 8 any more, under the action of the retaining arm 3, the sector plate 8 rotates clockwise, so that the half shaft matching part 13 falls into the gap 25 of the opening half shaft 9 again, the transmission connecting lever rotates clockwise and passes over the retaining protrusion 12, and the opening of the spring operating mechanism is realized.
In the process that the spring operating mechanism moves from the closing energy storage state to the closing holding state, before the half shaft matching part 13 is disengaged from the notch 25 of the opening half shaft 9, the opening half shaft 9 cannot rotate, and the opening half shaft 9 waits at the disengagement position, so that at the moment that the half shaft matching part 13 is disengaged from the notch 25, the opening half shaft 9 directly rotates anticlockwise from the disengagement position, the opening half shaft 9 can be guaranteed to block the sector plate 8, and the success of closing locking is further guaranteed.
in embodiment 1, the downside of semi-axis cooperation portion 13 is lower plane 30, and the hookup location department of the right-hand member of lower plane 30 and the lower extreme of arc surface 24 is the edges and corners structure to guarantee the lock joint stability of separating brake semi-axis 9 and semi-axis cooperation portion 13 lower plane 30, in this embodiment, the downside of semi-axis cooperation portion is the cambered surface down, and the cambered surface is the concave surface down, and the hookup location department of the right-hand member of cambered surface down and the lower extreme of arc surface is the edges and corners structure, in order to guarantee the lock joint stability of separating brake semi-axis and semi-axis cooperation portion.
in embodiment 1, an arc-shaped limiting hole 14 is further formed in the sector plate 8, a limiting shaft 19 is fixedly arranged on the frame 1, and the limiting shaft 19 is arranged in the arc-shaped limiting hole 14 in a penetrating manner to limit the sector plate 8 so that the sector plate 8 can rotate within a set range.
In the embodiment of the closing latching system of the present invention, the closing latching system in this embodiment has the same structure as the closing latching system described in embodiments 1 to 3 of the spring operating mechanism, and is not described herein again.
In a specific embodiment of the circuit breaker of the present invention, the circuit breaker in this embodiment includes a box body, and a spring operating mechanism is disposed in the box body, and the spring operating mechanism is the same as the structure described in embodiments 1 to 3 of the spring operating mechanism, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The spring operating mechanism includes:
the device comprises a rack, a brake-separating mechanism and a brake-separating mechanism, wherein an output shaft, a sector plate rotating shaft and a brake-separating half shaft which are parallel to each other are arranged on the rack;
the output shaft is provided with a transmission crank arm which is provided with a retaining arm;
a notch is arranged on the opening half shaft, and the bottom of the notch is a plane;
the fan-shaped plate rotating shaft is provided with a fan-shaped plate, a fan-shaped plate return spring is arranged between the fan-shaped plate and the rack, the fan-shaped plate is provided with a retaining protrusion and a half shaft matching part, the half shaft matching part is provided with a matching surface, and the matching surface is used for being matched with the plane of the notch;
the fan-shaped plate is characterized in that the matching surface is an arc surface, and a central line corresponding to the arc surface is superposed with the axis of the fan-shaped plate rotating shaft;
when the half shaft matching part rotates forward and backward along with the sector plate and the matching surface is matched with the plane, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, and the opening half shaft does not act.
2. The spring operated mechanism of claim 1, wherein the axle shaft engaging portion has a lower flat surface, and wherein the lower flat surface forms an angular structure at a location where the lower flat surface joins the arcuate surface.
3. The spring operating mechanism of claim 1 or 2, wherein the axle shaft engaging portion has an upper flat surface that is in smooth transition connection with the arcuate surface.
4. The spring operating mechanism according to claim 1 or 2, wherein the sector plate is provided with an arc-shaped limiting hole, a central line corresponding to the arc-shaped limiting hole coincides with an axis of the sector plate rotating shaft, and the frame is provided with a limiting shaft which is used for limiting and matching with the arc-shaped limiting hole so that the sector plate rotates within a set range.
5. Closing a floodgate latched system includes:
the brake-off half shaft is connected with a half shaft reset spring;
the output shaft is provided with a transmission crank arm which is provided with a retaining arm;
a notch is arranged on the opening half shaft, and the bottom of the notch is a plane;
the sector plate rotating shaft is provided with a sector plate, the sector plate is connected with a sector plate reset spring, the sector plate is provided with a retaining protrusion and a half shaft matching part, the half shaft matching part is provided with a matching surface and a stop matching part, the matching surface is used for being matched with the plane of the notch, and the stop matching part is used for being in stop matching with the stop part of the brake-separating half shaft;
the fan-shaped plate is characterized in that the matching surface is an arc surface, and a central line corresponding to the arc surface is superposed with the axis of the rotating shaft of the fan-shaped plate;
when the half shaft matching part rotates forward and backward along with the sector plate and the matching surface is matched with the plane, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, and the opening half shaft does not act.
6. The closing lock system according to claim 5, wherein the half shaft engaging portion has a lower plane, and a corner structure is formed at a connecting position of the lower plane and the circular arc surface.
7. A switch-on latching system according to claim 5 or 6, wherein the half shaft engaging portion has an upper flat surface, and the upper flat surface is in smooth transition connection with the circular arc surface.
8. The circuit breaker, including the box, be equipped with spring operating mechanism in the box, spring operating mechanism includes:
the device comprises a rack, a brake-separating mechanism and a brake-separating mechanism, wherein an output shaft, a sector plate rotating shaft and a brake-separating half shaft which are parallel to each other are arranged on the rack;
the output shaft is provided with a transmission crank arm which is provided with a retaining arm;
a notch is arranged on the opening half shaft, and the bottom of the notch is a plane;
the fan-shaped plate rotating shaft is provided with a fan-shaped plate, a fan-shaped plate reset spring is arranged between the fan-shaped plate and the rack, the fan-shaped plate is provided with a retaining protrusion and a half shaft matching part, the half shaft matching part is provided with a matching surface and a stop matching part, the matching surface is used for being matched with the plane of the gap, and the stop matching part is used for being in stop matching with the stop part of the brake-separating half shaft;
the fan-shaped plate is characterized in that the matching surface is an arc surface, and a central line corresponding to the arc surface is superposed with the axis of the rotating shaft of the fan-shaped plate;
when the half shaft matching part rotates forward and backward along with the sector plate and the matching surface is matched with the plane, the arc surface on the half shaft matching part is always tangent to the plane of the opening half shaft, and the opening half shaft does not act.
9. The circuit breaker of claim 8, wherein the half-shaft engaging portion has a lower flat surface, and wherein the lower flat surface forms a corner structure at a location where the lower flat surface connects to the circular arc surface.
10. The circuit breaker of claim 8 or 9, wherein the half-shaft engaging portion has an upper flat surface that is in smooth-transition connection with the circular arc surface.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010784281.XA CN112133609B (en) | 2020-08-06 | 2020-08-06 | Spring operating mechanism, closing lock catch system and circuit breaker |
| PCT/CN2021/106754 WO2022028228A1 (en) | 2020-08-06 | 2021-07-16 | Spring-operated mechanism, closing latch system, and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010784281.XA CN112133609B (en) | 2020-08-06 | 2020-08-06 | Spring operating mechanism, closing lock catch system and circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112133609A CN112133609A (en) | 2020-12-25 |
| CN112133609B true CN112133609B (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010784281.XA Active CN112133609B (en) | 2020-08-06 | 2020-08-06 | Spring operating mechanism, closing lock catch system and circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112133609B (en) |
| WO (1) | WO2022028228A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112133609B (en) * | 2020-08-06 | 2022-09-09 | 河南平高通用电气有限公司 | Spring operating mechanism, closing lock catch system and circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117438A1 (en) * | 2001-04-03 | 2002-10-10 | Siemens Ag | Detachable latching arrangement for supporting a body subjected to a force |
| CN2899073Y (en) * | 2006-06-09 | 2007-05-09 | 杨士玉 | Sliding axle-pinned gate-split controlled brake in circuit-breaker operating mechanism |
| CN101763960A (en) * | 2009-12-31 | 2010-06-30 | 中国西电电气股份有限公司 | Spring operation mechanism used for high-voltage switch |
| CN208570496U (en) * | 2018-08-09 | 2019-03-01 | 江苏大全凯帆开关有限公司 | A kind of novel tripping mechanism of breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514869U (en) * | 2009-09-11 | 2010-06-23 | 厦门福森达电气有限公司 | Buckling mechanism for half shaft and buckling arm of switch operating mechanism |
| CN202434406U (en) * | 2011-10-28 | 2012-09-12 | 余姚市华宇电器有限公司 | Closing maintenance structure for GIS breaker mechanism |
| CN207367900U (en) * | 2017-11-03 | 2018-05-15 | 江苏明及电气股份有限公司 | A kind of buckle of breaker spring operating mechanism |
| CN210778296U (en) * | 2019-09-30 | 2020-06-16 | 上海良信电器股份有限公司 | Energy storage mechanism of circuit breaker |
| CN112133609B (en) * | 2020-08-06 | 2022-09-09 | 河南平高通用电气有限公司 | Spring operating mechanism, closing lock catch system and circuit breaker |
-
2020
- 2020-08-06 CN CN202010784281.XA patent/CN112133609B/en active Active
-
2021
- 2021-07-16 WO PCT/CN2021/106754 patent/WO2022028228A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10117438A1 (en) * | 2001-04-03 | 2002-10-10 | Siemens Ag | Detachable latching arrangement for supporting a body subjected to a force |
| CN2899073Y (en) * | 2006-06-09 | 2007-05-09 | 杨士玉 | Sliding axle-pinned gate-split controlled brake in circuit-breaker operating mechanism |
| CN101763960A (en) * | 2009-12-31 | 2010-06-30 | 中国西电电气股份有限公司 | Spring operation mechanism used for high-voltage switch |
| CN208570496U (en) * | 2018-08-09 | 2019-03-01 | 江苏大全凯帆开关有限公司 | A kind of novel tripping mechanism of breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112133609A (en) | 2020-12-25 |
| WO2022028228A1 (en) | 2022-02-10 |
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