CN212062333U - Spring operating mechanism, operating mechanism box and circuit breaker - Google Patents
Spring operating mechanism, operating mechanism box and circuit breaker Download PDFInfo
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- CN212062333U CN212062333U CN202020920760.5U CN202020920760U CN212062333U CN 212062333 U CN212062333 U CN 212062333U CN 202020920760 U CN202020920760 U CN 202020920760U CN 212062333 U CN212062333 U CN 212062333U
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Abstract
The utility model relates to a spring operating mechanism, operating mechanism case and circuit breaker. The spring operating mechanism includes: the energy storage shaft is driven to rotate by the energy storage motor through a transmission mechanism; the controller is used for controlling the output power of the energy storage motor; the energy storage crank arm is fixedly arranged on the energy storage shaft; the closing energy storage spring is connected with the energy storage connecting lever, and when the energy storage connecting lever is driven by the energy storage shaft to swing on an energy storage stroke, the closing energy storage spring is driven to deform and store energy, and the energy storage stroke has an energy storage initial position and an energy storage completion position; further comprising: the energy storage spring is in transmission connection with the energy storage connecting lever and corresponds to the energy storage stroke of the energy storage connecting lever, the energy storage connecting lever is provided with a front energy storage stroke and a rear release stroke, the energy storage spring is driven by the energy storage connecting lever to deform and store energy in the front energy storage stroke, and the energy storage spring is released to drive the energy storage connecting lever to swing to the energy storage completion position in the rear release stroke.
Description
Technical Field
The utility model relates to a spring operating mechanism, operating mechanism case and circuit breaker.
Background
The spring operating mechanism has the characteristics of simple structure, reliable mechanical action and the like, and can be widely applied. Chinese patent with publication number CN206893469U discloses an integrated spring operating mechanism, which comprises two side plates arranged at intervals, an energy storage shaft is rotatably assembled between the two side plates, an energy storage motor is arranged between the two side plates, the energy storage motor drives the energy storage shaft to rotate through a gear transmission mechanism, and the energy storage shaft drives a closing energy storage spring to stretch through a crank arm so as to realize closing energy storage.
In the prior art, the required energy of a closing energy storage spring of a spring operating mechanism is continuously increased in the energy storage process, and particularly, when the energy storage peak value is reached, the power required to be output by a controller is the maximum. In order to ensure that the energy storage of the closing energy storage spring can be completed, the controller needs to be selected according to the peak power required by the closing energy storage spring, the output power of the controller is constant, the force required by the first half section of the closing energy storage spring is small, the force required by the second half section of the closing energy storage spring is large, the controller selecting the peak power not only causes a large amount of energy waste in the early stage of the closing energy storage spring, but also the output power of the selected controller is large, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a spring operating mechanism to solve the technical problem that the spring operating mechanism in the prior art selects a controller with peak power to cause a great deal of energy waste in the early stage of energy storage of a closing energy storage spring; the utility model also aims to provide an operating mechanism box to solve the technical problem that the spring operating mechanism in the prior art selects a controller with peak power, which causes a great deal of energy waste in the early stage of energy storage of the closing energy storage spring; an object of the utility model is to provide a circuit breaker still to solve the spring operating mechanism among the prior art and choose peak power's controller for use and lead to closing a floodgate energy storage spring energy storage to have a large amount of energy extravagant technical problem earlier stage.
In order to achieve the above object, the utility model discloses spring operating mechanism's technical scheme is:
the spring operating mechanism includes:
the energy storage shaft is driven to rotate by the energy storage motor through a transmission mechanism;
the controller is used for controlling the output power of the energy storage motor;
the energy storage crank arm is fixedly arranged on the energy storage shaft;
the closing energy storage spring is connected with the energy storage connecting lever, and when the energy storage connecting lever is driven by the energy storage shaft to swing on an energy storage stroke, the closing energy storage spring is driven to deform and store energy, and the energy storage stroke has an energy storage initial position and an energy storage completion position;
further comprising:
the energy storage spring is in transmission connection with the energy storage connecting lever or in transmission connection with an energy storage connecting lever fixedly arranged on the energy storage shaft, the energy storage connecting lever or the energy storage connecting lever has a front energy storage stroke and a rear release stroke, the energy storage spring is driven by the energy storage connecting lever or the energy storage connecting lever to deform and store energy in the front energy storage stroke, and the energy storage spring is released to drive the energy storage connecting lever to complete the position swing to the energy storage in the rear release stroke, or the energy storage spring is released to drive the energy storage connecting lever to drive the energy storage shaft and the energy storage connecting lever to complete the position swing to the energy storage.
The beneficial effects are that: the energy storage spring is additionally arranged in the spring operating mechanism, so that the energy released by the energy storage motor is stored in the front half section of the energy stored by the closing energy storage spring by the energy storage spring in the energy storage process of the closing energy storage spring, the stored energy is released in the rear half section of the energy stored by the closing energy storage spring to assist the energy storage motor to finish the energy storage in the rear half section of the closing energy storage spring, and the controller with relatively small output power is selected to realize the complete energy storage of the closing energy storage spring, so that the energy waste of the closing energy storage spring in the front half section of the energy storage is avoided, and the controller module with relatively small output power is selected, and meanwhile, the motor with relatively small power can be selected, and the.
Furthermore, the energy storage spring is guided by a spring guide part to deform, and the spring guide part is hinged with the energy storage crank arm or the energy storage crank arm;
the spring operating mechanism further comprises an axial limiting part, the axial limiting part is used for stopping and limiting the spring guide part in the axial direction of the energy storage shaft so that the spring guide part and the energy storage spring move in a limiting plane, and the limiting plane is perpendicular to the energy storage shaft.
The beneficial effects are that: through setting up the spring guide, be more favorable to the energy storage of energy storage spring and release.
Furthermore, the axial limiting part is provided with a limiting long hole, the limiting long hole is provided with two side blocking side walls which are arranged at intervals along the axial direction of the energy storage shaft, the two side blocking side walls are matched to realize blocking and limiting of the spring guide part, and the limiting long hole extends in the limiting plane to enable the spring guide part to drive the energy storage spring to move horizontally.
The beneficial effects are that: the energy storage spring moves horizontally along with the spring guide piece, no component force is generated when the energy storage spring is used for storing and releasing energy, and the energy stored by the energy storage spring can be effectively utilized.
Furthermore, the limiting long hole extends along the linear direction from the energy storage starting position to the energy storage finishing position.
The beneficial effects are that: the length of the limiting long hole is reduced, and the processing cost is reduced.
Furthermore, the spring guide piece is a guide rod, and the energy storage spring is a pressure spring sleeved on the guide rod.
The beneficial effects are that: the pressure spring is sleeved on the guide rod, so that the stability of the energy storage spring in the compression process is ensured.
Furthermore, the axial limiting piece is a limiting plate, and one side of the limiting plate is fixed on the corresponding shell.
The beneficial effects are that: the design can save materials and reduce cost.
Furthermore, the spring operating mechanism further comprises a slideway plate, a sliding hole is formed in the slideway plate and is of a semi-ring structure, and the energy storage connecting lever or a transmission shaft of the energy storage connecting lever penetrates through the sliding hole and is in sliding fit with the sliding hole.
The beneficial effects are that: the sliding hole is convenient to process, and the transmission shaft passes the sliding hole in addition, can guarantee the gliding stability of transmission shaft in the sliding hole.
Furthermore, the energy storage spring is arranged on one side, back to the energy storage shaft, of the slide way plate.
The beneficial effects are that: the energy storage spring is convenient to disassemble and assemble.
In order to achieve the above object, the utility model discloses the technical scheme of operating mechanism case is:
the operating mechanism box comprises a shell, and a spring operating mechanism is arranged in the shell;
the spring operating mechanism includes:
the energy storage shaft is driven to rotate by the energy storage motor through a transmission mechanism;
the controller is used for controlling the output power of the energy storage motor;
the energy storage crank arm is fixedly arranged on the energy storage shaft;
the closing energy storage spring is connected with the energy storage connecting lever, and when the energy storage connecting lever is driven by the energy storage shaft to swing on an energy storage stroke, the closing energy storage spring is driven to deform and store energy, and the energy storage stroke has an energy storage initial position and an energy storage completion position;
further comprising:
the energy storage spring is in transmission connection with the energy storage connecting lever or in transmission connection with an energy storage connecting lever fixedly arranged on the energy storage shaft, the energy storage connecting lever or the energy storage connecting lever has a front energy storage stroke and a rear release stroke, the energy storage spring is driven by the energy storage connecting lever or the energy storage connecting lever to deform and store energy in the front energy storage stroke, and the energy storage spring is released to drive the energy storage connecting lever to complete the position swing to the energy storage in the rear release stroke, or the energy storage spring is released to drive the energy storage connecting lever to drive the energy storage shaft and the energy storage connecting lever to complete the position swing to the energy storage.
The beneficial effects are that: the energy storage spring is additionally arranged in the spring operating mechanism, so that the energy released by the energy storage motor is stored in the front half section of the energy stored by the closing energy storage spring by the energy storage spring in the energy storage process of the closing energy storage spring, the stored energy is released in the rear half section of the energy stored by the closing energy storage spring to assist the energy storage motor to finish the energy storage in the rear half section of the closing energy storage spring, and the controller with relatively small output power is selected to realize the complete energy storage of the closing energy storage spring, so that the energy waste of the closing energy storage spring in the front half section of the energy storage is avoided, and the controller module with relatively small output power is selected, and meanwhile, the motor with relatively small power can be selected, and the.
Furthermore, the energy storage spring is guided by a spring guide part to deform, and the spring guide part is hinged with the energy storage crank arm or the energy storage crank arm;
the spring operating mechanism further comprises an axial limiting part, the axial limiting part is used for stopping and limiting the spring guide part in the axial direction of the energy storage shaft so that the spring guide part and the energy storage spring move in a limiting plane, and the limiting plane is perpendicular to the energy storage shaft.
The beneficial effects are that: through setting up the spring guide, be more favorable to the energy storage of energy storage spring and release.
Furthermore, the axial limiting part is provided with a limiting long hole, the limiting long hole is provided with two side blocking side walls which are arranged at intervals along the axial direction of the energy storage shaft, the two side blocking side walls are matched to realize blocking and limiting of the spring guide part, and the limiting long hole extends in the limiting plane to enable the spring guide part to drive the energy storage spring to move horizontally.
The beneficial effects are that: the energy storage spring moves horizontally along with the spring guide piece, no component force is generated when the energy storage spring is used for storing and releasing energy, and the energy stored by the energy storage spring can be effectively utilized.
Furthermore, the limiting long hole extends along the linear direction from the energy storage starting position to the energy storage finishing position.
The beneficial effects are that: the length of the limiting long hole is reduced, and the processing cost is reduced.
Furthermore, the spring guide piece is a guide rod, and the energy storage spring is a pressure spring sleeved on the guide rod.
The beneficial effects are that: the pressure spring is sleeved on the guide rod, so that the stability of the energy storage spring in the compression process is ensured.
Furthermore, the axial limiting piece is a limiting plate, and one side of the limiting plate is fixed on the corresponding shell.
The beneficial effects are that: the design can save materials and reduce cost.
Furthermore, the spring operating mechanism further comprises a slideway plate, a sliding hole is formed in the slideway plate and is of a semi-ring structure, and the energy storage connecting lever or a transmission shaft of the energy storage connecting lever penetrates through the sliding hole and is in sliding fit with the sliding hole.
The beneficial effects are that: the sliding hole is convenient to process, and the transmission shaft passes the sliding hole in addition, can guarantee the gliding stability of transmission shaft in the sliding hole.
Furthermore, the energy storage spring is arranged on one side, back to the energy storage shaft, of the slide way plate.
The beneficial effects are that: the energy storage spring is convenient to disassemble and assemble.
In order to achieve the above object, the utility model discloses circuit breaker's technical scheme is:
the circuit breaker comprises a circuit breaker shell, wherein a spring operating mechanism is arranged in the circuit breaker shell;
the spring operating mechanism includes:
the energy storage shaft is driven to rotate by the energy storage motor through a transmission mechanism;
the controller is used for controlling the output power of the energy storage motor;
the energy storage crank arm is fixedly arranged on the energy storage shaft;
the closing energy storage spring is connected with the energy storage connecting lever, and when the energy storage connecting lever is driven by the energy storage shaft to swing on an energy storage stroke, the closing energy storage spring is driven to deform and store energy, and the energy storage stroke has an energy storage initial position and an energy storage completion position;
further comprising:
the energy storage spring is in transmission connection with the energy storage connecting lever or in transmission connection with an energy storage connecting lever fixedly arranged on the energy storage shaft, the energy storage connecting lever or the energy storage connecting lever has a front energy storage stroke and a rear release stroke, the energy storage spring is driven by the energy storage connecting lever or the energy storage connecting lever to deform and store energy in the front energy storage stroke, and the energy storage spring is released to drive the energy storage connecting lever to complete the position swing to the energy storage in the rear release stroke, or the energy storage spring is released to drive the energy storage connecting lever to drive the energy storage shaft and the energy storage connecting lever to complete the position swing to the energy storage.
The beneficial effects are that: the energy storage spring is additionally arranged in the spring operating mechanism, so that the energy released by the energy storage motor is stored in the front half section of the energy stored by the closing energy storage spring by the energy storage spring in the energy storage process of the closing energy storage spring, the stored energy is released in the rear half section of the energy stored by the closing energy storage spring to assist the energy storage motor to finish the energy storage in the rear half section of the closing energy storage spring, and the controller with relatively small output power is selected to realize the complete energy storage of the closing energy storage spring, so that the energy waste of the closing energy storage spring in the front half section of the energy storage is avoided, and the controller module with relatively small output power is selected, and meanwhile, the motor with relatively small power can be selected, and the.
Furthermore, the energy storage spring is guided by a spring guide part to deform, and the spring guide part is hinged with the energy storage crank arm or the energy storage crank arm;
the spring operating mechanism further comprises an axial limiting part, the axial limiting part is used for stopping and limiting the spring guide part in the axial direction of the energy storage shaft so that the spring guide part and the energy storage spring move in a limiting plane, and the limiting plane is perpendicular to the energy storage shaft.
The beneficial effects are that: through setting up the spring guide, be more favorable to the energy storage of energy storage spring and release.
Furthermore, the axial limiting part is provided with a limiting long hole, the limiting long hole is provided with two side blocking side walls which are arranged at intervals along the axial direction of the energy storage shaft, the two side blocking side walls are matched to realize blocking and limiting of the spring guide part, and the limiting long hole extends in the limiting plane to enable the spring guide part to drive the energy storage spring to move horizontally.
The beneficial effects are that: the energy storage spring moves horizontally along with the spring guide piece, no component force is generated when the energy storage spring is used for storing and releasing energy, and the energy stored by the energy storage spring can be effectively utilized.
Furthermore, the limiting long hole extends along the linear direction from the energy storage starting position to the energy storage finishing position.
The beneficial effects are that: the length of the limiting long hole is reduced, and the processing cost is reduced.
Furthermore, the spring guide piece is a guide rod, and the energy storage spring is a pressure spring sleeved on the guide rod.
The beneficial effects are that: the pressure spring is sleeved on the guide rod, so that the stability of the energy storage spring in the compression process is ensured.
Furthermore, the axial limiting piece is a limiting plate, and one side of the limiting plate is fixed on the corresponding shell.
The beneficial effects are that: the design can save materials and reduce cost.
Furthermore, the spring operating mechanism further comprises a slideway plate, a sliding hole is formed in the slideway plate and is of a semi-ring structure, and the energy storage connecting lever or a transmission shaft of the energy storage connecting lever penetrates through the sliding hole and is in sliding fit with the sliding hole.
The beneficial effects are that: the sliding hole is convenient to process, and the transmission shaft passes the sliding hole in addition, can guarantee the gliding stability of transmission shaft in the sliding hole.
Furthermore, the energy storage spring is arranged on one side, back to the energy storage shaft, of the slide way plate.
The beneficial effects are that: the energy storage spring is convenient to disassemble and assemble.
Drawings
Fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment 1 of the present invention;
FIG. 2 is a schematic view of the right side view of FIG. 1 rotated 90 clockwise;
FIG. 3 is a schematic structural view of the ramp plate of FIG. 2;
FIG. 4 is a schematic structural view of the energy storage spring and the guide rod of FIG. 2;
fig. 5 is a schematic structural diagram of a limiting plate in fig. 2;
fig. 6 is a schematic structural diagram illustrating the beginning of energy storage of the closing energy storage spring in fig. 1;
FIG. 7 is a top view of FIG. 6;
fig. 8 is a schematic structural diagram of the closing energy storage spring in fig. 1;
FIG. 9 is a top view of FIG. 8;
fig. 10 is a schematic structural diagram of the completion of energy storage of the closing energy storage spring in fig. 1;
FIG. 11 is a top view of FIG. 10;
in the figure: 1-a circuit breaker housing; 2-closing energy storage spring; 3-a guide rod; 4-a first spring seat; 5-a bracket; 6-a limiting plate; 61-limiting long holes; 62-fixing the folded edge; 7-a transmission shaft; 8-an energy storage motor; 9-a slideway plate; 91-sliding holes; 10-a second spring seat; 11-energy storage spring; 12-energy storage shaft.
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, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to 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 utility model discloses embodiment 1 of circuit breaker:
as shown in fig. 1, the circuit breaker includes a circuit breaker housing 1, a spring operating mechanism is arranged in the circuit breaker housing 1, the spring operating mechanism includes a support 5 installed in the circuit breaker housing 1, an energy storage motor 8 and an energy storage shaft 12 are fixedly arranged on the support 5, the energy storage shaft 12 is rotatably assembled on the support 5, the energy storage motor 8 drives the energy storage shaft 12 to rotate through a gear transmission mechanism, and an energy storage crank arm is fixedly arranged on the energy storage shaft 12.
In the embodiment, the energy storage crank arm comprises a crank arm body and a transmission shaft 7, wherein the crank arm body is fixedly arranged on the energy storage shaft 12, the transmission shaft 7 is fixedly arranged on the crank arm body, and the axis of the transmission shaft 7 is parallel to the axis of the energy storage shaft 12; and a closing energy storage spring 2 is arranged between the support 5 and the transmission shaft 7, one end of the closing energy storage spring 2 is hinged with the support 5, and the other end of the closing energy storage spring is hinged with the transmission shaft 7. When energy is stored, the transmission shaft 7 rotates along with the energy storage shaft 12 to drive the closing energy storage spring 2 to stretch and deform so as to realize closing energy storage. Wherein, the closing energy storage spring 2 is a tension spring.
As shown in fig. 2 and 3, a chute plate 9 is welded in the circuit breaker housing 1, the chute plate 9 is arranged perpendicular to the transmission shaft 7, a sliding hole 91 is formed in the chute plate 9, and the sliding hole 91 is of a semi-ring structure.
In this embodiment, the transmission shaft 7 passes through the sliding hole 91 and can slide in the sliding hole 91, a sliding stroke of the transmission shaft 7 on the sliding hole 91 has an energy storage start position, an energy storage middle position and an energy storage completion position, the energy storage start position corresponds to an energy storage start position of the closing energy storage spring 2, the energy storage middle position corresponds to a position of half of a total stretching length of the closing energy storage spring 2, and the energy storage completion position corresponds to an energy storage completion position of the closing energy storage spring 2. The energy storage starting position and the energy storage finishing position are respectively arranged at two ends of the sliding hole 91, and the energy storage middle position is arranged in the middle of the sliding hole 91. In other embodiments, the sliding hole may be a circular ring structure, but the positions of the energy storage starting position, the energy storage intermediate position and the energy storage completion position in the sliding hole are unchanged.
As shown in fig. 2 and 4, the end of the transmission shaft 7 is hinged with a guide rod 3, the guide rod 3 is located on one side of the chute plate 9, which faces away from the energy storage shaft 12, a limiting plate 6 is further arranged in the circuit breaker housing 1, and the limiting plate 6 is perpendicular to the chute plate 9 and is parallel to the axis of the transmission shaft 7.
In this embodiment, the limiting plate 6 is provided with a limiting long hole 61, the limiting long hole extends along a linear direction extending from the energy storage start position to the energy storage completion position, one end of the guide rod 3, which is away from the transmission shaft 7, passes through the limiting long hole 61 and is assembled in the limiting long hole 61 in a guiding and sliding manner, the limiting long hole 61 is provided with two side blocking side walls arranged at intervals along the axial direction of the energy storage shaft 12, the two side blocking side walls are matched to realize blocking and limiting on the guide rod 3, so that the guide rod drives the energy storage spring 11 to translate in a limiting plane, and the limiting plane is perpendicular to the energy storage shaft 12. Wherein the guide rod 3 constitutes a spring guide and the limit plate 6 constitutes an axial limit piece.
The guide rod 3 is sleeved with an energy storage spring 11, the energy storage spring 11 is located between the transmission shaft 7 and the limiting plate 6, and the energy storage spring 11 is a compression spring.
As shown in fig. 5, the limiting plate 6 is provided with a fixing flange 62, and the limiting plate 6 is welded to the circuit breaker housing 1 through the fixing flange 62. The fixed hem has increased welding area, has guaranteed the stability of limiting plate 6 on circuit breaker casing 1.
In this embodiment, in order to ensure the stability of the energy storage spring 11 in the compression process, a second spring seat 10 is fixedly arranged at one end of the guide rod 3, and a first spring seat 4 is slidably assembled at the other end of the guide rod 3, wherein the second spring seat 10 supports one end of the energy storage spring 11 close to the transmission shaft 7, and the first spring seat 4 supports one end of the energy storage spring 11 close to the limiting plate 6. Wherein, at the in-process of guide bar 3 translation, first spring holder 4 and limiting plate 6 sliding fit. In other embodiments, one of the first spring seat and the limiting plate is provided with a sliding block, the other one of the first spring seat and the limiting plate is provided with a sliding groove, and the first spring seat is assembled on the limiting plate in a sliding mode through the matching of the sliding block and the sliding groove, so that the contact area of the first spring seat and the limiting plate is reduced, the friction force between the first spring seat and the limiting plate is reduced, and the sliding of the first spring seat on the limiting plate is facilitated.
As shown in fig. 6 and 7, when the circuit breaker is in a non-energy storage state, the transmission shaft 7 is at an energy storage start position, at this time, the closing energy storage spring 2 does not start to store energy, and the energy storage spring 11 does not start to store energy; when closing energy storage is needed, the controller outputs energy storage voltage to the energy storage motor 8, the energy storage motor 8 drives the energy storage shaft 12 to rotate in the forward direction through the gear transmission mechanism, the energy storage shaft 12 stretches the closing energy storage spring 2 through the transmission shaft 7 on the crank arm to start energy storage, meanwhile, the transmission shaft 7 slides in the sliding hole 91 and compresses the energy storage spring 11 through the second spring seat 10, the energy storage spring 11 starts energy storage, when energy storage of the energy storage spring 11 is completed, as shown in fig. 8 and 9, the transmission shaft 7 is located in an energy storage middle position at the moment, namely a front energy storage stroke is obtained; when the energy storage shaft 12 continues to rotate in the forward direction, the energy storage shaft 12 stretches the closing energy storage spring 2 through the transmission shaft 7 on the crank arm to continue to store energy, meanwhile, the energy storage spring 11 releases the stored energy, and the closing energy storage spring 2 is driven together with the energy storage shaft 12 to complete energy storage of the closing energy storage spring 2, when energy storage of the closing energy storage spring 2 is completed, as shown in fig. 10 and 11, at this time, the transmission shaft 7 is in an energy storage completion position, namely, a rear release stroke.
In the energy storage process of the closing energy storage spring 2, the energy stored in the second half section of the closing energy storage spring 2 is assisted by the energy stored in the energy storage spring 11, so that the energy storage of the closing energy storage spring 2 can be realized by selecting a controller with relatively low output power, the waste of energy in the first half section of the closing energy storage spring 2 is avoided, and a motor with relatively low power can be selected while the controller with relatively low output power is selected, so that the cost is saved.
The utility model discloses embodiment 2 of circuit breaker:
the difference from the specific embodiment 1 is that in the embodiment 1, the transmission shaft 7 is hinged with the guide rod 3, and the energy storage spring 11 is a pressure spring sleeved on the guide rod 3 to realize the energy storage and the energy release of the energy storage spring. In order to better realize the energy storage and the energy release of the energy storage spring, the energy storage spring is arranged at one end of the slideway plate right below the energy storage middle position. In other embodiments, one end of the tension spring fixed on the transmission shaft can be fixed on the crank arm body.
The utility model discloses embodiment 3 of circuit breaker:
the difference with embodiment 1 lies in, in embodiment 1, the one end that the guide bar 3 is close to limiting plate 6 is slided and is equipped with first spring holder 4, and the one end that the guide bar 3 is close to transmission shaft 7 has set firmly second spring holder 10 to guarantee the stability of energy storage spring 11 compression process, and in this embodiment, the one end that the guide bar is close to the limiting plate does not set up first spring holder, and the direct butt of energy storage spring is on the limiting plate, with the stability of guaranteeing energy storage spring compression process.
The utility model discloses embodiment 4 of circuit breaker:
the difference with embodiment 1 lies in, in embodiment 1, the one end that guide bar 3 is close to limiting plate 6 is slided and is equipped with first spring holder 4, and the one end that guide bar 3 is close to transmission shaft 7 has set firmly second spring holder 10 to guarantee the stability of energy storage spring 11 compression process, and in this embodiment, the one end that the guide bar is close to the transmission shaft does not set up the second spring holder, and at this moment, the guide bar articulates and leans on interior position on the transmission shaft, and the direct butt of energy storage spring is on the transmission shaft, with the stability of guaranteeing energy storage spring compression process.
The utility model discloses embodiment 5 of circuit breaker:
the difference with embodiment 1 lies in, in embodiment 1, be equipped with limiting plate 6 in the circuit breaker casing 1, be equipped with spacing slot hole 61 on the limiting plate 6, spacing slot hole 61 has constituted the direction slide, and spacing slot hole 61 is used for leading the guide bar, and in this embodiment, be equipped with the guide block in the circuit breaker casing, be equipped with the guide way on the guide block, the guide way is the semicircle at the cross section of groove depth direction, and the guide way has constituted the direction slide, and the guide way is used for leading the guide bar.
The utility model discloses embodiment 6 of circuit breaker:
the difference from embodiment 1 is that in embodiment 1, a chute plate 9 is welded in the circuit breaker housing, a sliding hole 91 is formed in the chute plate 9, the sliding hole 91 is of a semi-ring structure, and the sliding hole 91 forms an arc-shaped chute, in this embodiment, a chute block is welded in the circuit breaker housing, a sliding groove is formed in the chute block, and the sliding groove is of a semi-ring structure.
The utility model discloses embodiment 7 of circuit breaker:
the difference with embodiment 1 is that, in embodiment 1, energy storage spring 11 and guide rod 3 are both located on one side of the sliding plate back to the transmission shaft, and when energy storage spring 11 realizes energy storage, the guide rod and the energy storage spring are convenient to disassemble and assemble.
The utility model discloses embodiment 8 of circuit breaker:
the difference from the specific embodiment 1 is that in the embodiment 1, the guide rod 3 is hinged to the transmission shaft 7 of the energy storage crank arm, and the energy storage spring 11 is a pressure spring sleeved on the guide rod 3 to realize the energy storage and energy release of the energy storage spring. In other embodiments, the redundant crank arm on the energy storage shaft can be used as the energy storage crank arm, but the crank arm can realize the energy storage and the energy release of the energy storage spring during the movement.
The utility model discloses embodiment 9 of circuit breaker:
the difference from embodiment 1 is that in embodiment 1, the axial limiting member is a limiting plate 6, the limiting plate 6 is provided with a limiting long hole 61, and the guide rod 3 moves in the limiting long hole 61 in a translational manner to realize energy storage and release of the energy storage spring 11, in this embodiment, the axial limiting member is a spherical hinge, the spherical hinge is arranged above the sliding hole and is located at an intermediate position, the spherical hinge is provided with a through hole, the guide rod is inserted into the through hole and can slide in the through hole, the wall of the through hole stops and limits the guide rod, and when the transmission shaft slides in the sliding hole, the guide rod moves relative to the spherical hinge and slides on the spherical hinge to realize energy storage and release of the energy storage spring.
The utility model discloses the concrete embodiment of spring operating mechanism, spring operating mechanism in this embodiment and concrete embodiment 1 of above-mentioned circuit breaker in 9 any the spring operating mechanism's structure the same, no longer describe herein.
The utility model discloses specific embodiment of operating mechanism case, operating mechanism case in this embodiment include the casing, are equipped with spring operating mechanism in the casing, and this spring operating mechanism is arbitrary in specific embodiment 1 to 9 of above-mentioned circuit breaker spring operating mechanism's structure the same, no longer describe herein.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The spring operating mechanism includes:
the energy storage shaft is driven to rotate by the energy storage motor through a transmission mechanism;
the controller is used for controlling the output power of the energy storage motor;
the energy storage crank arm is fixedly arranged on the energy storage shaft;
the closing energy storage spring is connected with the energy storage connecting lever, and when the energy storage connecting lever is driven by the energy storage shaft to swing on an energy storage stroke, the closing energy storage spring is driven to deform and store energy, and the energy storage stroke has an energy storage initial position and an energy storage completion position;
it is characterized by also comprising:
the energy storage spring is in transmission connection with the energy storage connecting lever or in transmission connection with an energy storage connecting lever fixedly arranged on the energy storage shaft, the energy storage connecting lever or the energy storage connecting lever has a front energy storage stroke and a rear release stroke, the energy storage spring is driven by the energy storage connecting lever or the energy storage connecting lever to deform and store energy in the front energy storage stroke, and the energy storage spring is released to drive the energy storage connecting lever to complete the position swing to the energy storage in the rear release stroke, or the energy storage spring is released to drive the energy storage connecting lever to drive the energy storage shaft and the energy storage connecting lever to complete the position swing to the energy storage.
2. The spring operating mechanism of claim 1, wherein the energy storage spring is guided to deform by a spring guide member, and the spring guide member is hinged to the energy storage crank arm or the energy storage crank arm;
the spring operating mechanism further comprises an axial limiting part, the axial limiting part is used for stopping and limiting the spring guide part in the axial direction of the energy storage shaft so that the spring guide part and the energy storage spring move in a limiting plane, and the limiting plane is perpendicular to the energy storage shaft.
3. The spring operating mechanism according to claim 2, wherein the axial limiting member has a long limiting hole, the long limiting hole has two side retaining sidewalls spaced apart from each other along the axial direction of the energy storage shaft, the two side retaining sidewalls cooperate to limit the retaining of the spring guide member, and the long limiting hole extends in the limiting plane to allow the spring guide member to move in a translational manner with the energy storage spring.
4. The spring operating mechanism of claim 3, wherein the limiting slot extends along a straight line extending from the energy storage initial position to the energy storage completion position.
5. The spring operating mechanism of any one of claims 2 to 4, wherein the spring guide is a guide rod, and the energy storage spring is a compression spring fitted over the guide rod.
6. The spring operating mechanism according to any one of claims 2 to 4, wherein the axial limiting member is a limiting plate, and one side of the limiting plate is fixed to the corresponding housing.
7. The spring operating mechanism according to any one of claims 1 to 4, further comprising a chute plate, wherein the chute plate is provided with a sliding hole, the sliding hole has a semi-ring structure, and the transmission shaft of the energy storage crank arm or the energy storage crank arm passes through the sliding hole and is in sliding fit with the sliding hole.
8. The spring operating mechanism of claim 7, wherein the charge spring is located on a side of the ramp plate facing away from the charge shaft.
9. Actuator housing comprising a housing with a spring actuator, characterized in that the spring actuator is a spring actuator according to any of claims 1-8.
10. A circuit breaker comprising a circuit breaker housing having a spring operated mechanism disposed therein, wherein the spring operated mechanism is in accordance with any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020920760.5U CN212062333U (en) | 2020-05-27 | 2020-05-27 | Spring operating mechanism, operating mechanism box and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020920760.5U CN212062333U (en) | 2020-05-27 | 2020-05-27 | Spring operating mechanism, operating mechanism box and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212062333U true CN212062333U (en) | 2020-12-01 |
Family
ID=73519328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020920760.5U Active CN212062333U (en) | 2020-05-27 | 2020-05-27 | Spring operating mechanism, operating mechanism box and circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212062333U (en) |
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2020
- 2020-05-27 CN CN202020920760.5U patent/CN212062333U/en active Active
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