CN212750769U - Circuit breaker operating device divide-shut brake interlocking device - Google Patents
Circuit breaker operating device divide-shut brake interlocking device Download PDFInfo
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- CN212750769U CN212750769U CN202021274336.4U CN202021274336U CN212750769U CN 212750769 U CN212750769 U CN 212750769U CN 202021274336 U CN202021274336 U CN 202021274336U CN 212750769 U CN212750769 U CN 212750769U
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Abstract
The utility model provides a circuit breaker operating device divide-shut brake interlocking device which characterized in that: the driving piece (2) is arranged on the mounting bottom plate (1) and can move back and forth, the driving piece (2) is arranged on the mounting bottom plate (1) and can push the primary rotating plate (4) to rotate in the moving process, the primary rotating plate (4) can be linked with the secondary linkage rod (5) to move in the rotating process, and the secondary linkage rod (5) can drive the switching-on half shaft (6) to rotate in the moving process; the switching-on release linkage mechanism (A) and the switching-off release linkage mechanism (B) on the mounting bottom plate (1) can push the release interlocking rod (M1) to rotate when corresponding switching-on or switching-off is carried out, so that the linkage relation between the primary rotating plate (4) and the secondary interlocking rod (5) is released; the opening and closing interlocking mechanism of the circuit breaker operating mechanism has few interlocking parts and few switching points, and can improve the reliability of the operating mechanism while completing the interlocking function of the operating mechanism.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically says so and relates to a circuit breaker operating device divide-shut brake interlocking device.
Background
The circuit breaker is an important part of a distribution electrical appliance, is mainly used for an industrial low-voltage power system, and is used for connecting and disconnecting current in a power grid circuit and protecting lines and power supply equipment from damage caused by faults of overload, undervoltage, short circuit, single-phase grounding and the like.
Circuit breakers are classified into high-voltage circuit breakers and low-voltage circuit breakers according to their range of use. The low-voltage circuit breaker is also called an automatic switch, commonly called an air switch and also called a low-voltage circuit breaker, and is an electric appliance which not only has the function of a manual switch, but also can automatically perform voltage loss, undervoltage, overload and short-circuit protection. It can be used for distributing electric energy, starting asynchronous motor infrequently, protecting power supply circuit and motor, etc., when they are seriously overloaded or short-circuited or under-voltage, etc. faults occur, it can automatically cut off circuit, its function is equivalent to the combination of fuse type switch and over-and under-heat relay, etc., and after breaking fault current, it does not need to change parts, so that it has been extensively used.
The circuit breaker controls the on-off of a contact system of the circuit breaker through the on-off of the operating mechanism, so that the on-off of a conductive loop is realized, the operating mechanism is used as a core component of the circuit breaker, and the service life of the operating mechanism is greatly damaged by any idle release energy, so that the idle release energy of the operating mechanism cannot be caused by manual misoperation under the condition that the operating mechanism is in a closed state and an opening half shaft of the operating mechanism is not reset, and an opening-closing interlocking mechanism of the operating mechanism needs to be designed. The existing opening and closing interlocking mechanism is formed by interlocking of closing push rod machine indicators, the structure switching is complex, and meanwhile, the indicators are easy to damage due to the working principle that switching indicators are easy to damage under high-speed impact, so that the opening and closing interlocking mechanism is easy to lose effectiveness.
SUMMERY OF THE UTILITY MODEL
The utility model aims at exactly to the complicated and fragile technical defect of above-mentioned current circuit breaker operating device combined floodgate semi-axis release mechanism structure, provide a circuit breaker operating device divide-shut brake interlocking device, realize interlocking function through less part, the state that this interlocking device directly gathered separating brake semi-axis and pivot simultaneously reduces middle switching link, very big improvement interlocking device's life-span and reliability, whole mechanism is rationally distributed, the space that has reduced need occupy has
Technical scheme
In order to realize the technical purpose, the utility model provides a circuit breaker operating device divide-shut brake interlocking device, its characterized in that: the device comprises an installation bottom plate, a driving piece is arranged on the installation bottom plate and can move back and forth, a reset elastic piece is connected with the driving piece and can drive the driving piece to reset, the driving piece is arranged on the installation bottom plate and can push a primary rotating plate to rotate in the movement process, the primary rotating plate can link a secondary linkage rod to move in the rotation process, and the secondary linkage rod can drive a closing half shaft to rotate in the movement process;
the unlocking interlocking rod is rotatably arranged on an unlocking interlocking rod installation shaft on the installation bottom plate, one end of the unlocking interlocking rod is correspondingly linked with the secondary interlocking rod, and an unlocking interlocking rod reset torsion spring is arranged on the unlocking interlocking rod installation shaft to ensure that one end of the unlocking interlocking rod and the secondary interlocking rod have a separation trend;
the installation bottom plate is provided with a switching-on release linkage mechanism, and the switching-on release linkage mechanism can push the release interlocking rod to rotate during switching-on so as to release the linkage relation between the primary rotating plate and the secondary interlocking rod;
the installation bottom plate is provided with a brake separating and unlocking linkage mechanism, and the brake separating and unlocking linkage mechanism can push the unlocking rod to rotate during brake separating so as to unlock the linkage relation between the primary rotating plate and the secondary linkage rod.
Further, the driving piece is a button, a sliding groove hole is formed in the button, one end of a button installation shaft is fixedly installed on the installation bottom plate, the other end of the button installation shaft penetrates through the sliding groove hole, one end of the button installation shaft penetrates through the sliding groove hole and is limited by a clamp spring, and the button is installed on the button installation shaft and can horizontally move back and forth.
Further, the elastic part that resets is the extension spring that resets, extension spring one end that resets is connected on the button, the other end dress is in button installation epaxial.
Furthermore, the first-level rotating plate extends out of the boss and the protruding plate, the first-level rotating plate is mounted on the mounting base plate through a shaft, the first-level rotating plate is linked with the protruding rod arranged on the button through the boss, the first-level rotating plate is linked with the second step at the upper end of the second-level linkage rod through the first step at the front end of the protruding plate in an overlapping mode, the lower end of the second-level linkage rod is in pivot connection with the closing half shaft, the second-level linkage rod can drive the closing half shaft to rotate in the downward movement process, and the closing half shaft can unlock the closing lock catch in the rotation process.
Further, a return torsion spring is mounted on the shaft to provide a return force to the primary pivotal plate.
Furthermore, the button is provided with a sliding groove hole in an up-down side-by-side manner.
Furthermore, the second-level linkage rod is connected with a linkage rod tension spring to enable the second-level linkage rod to have a tendency of rotating around the lower end, so that the first step and the second step are in lap joint.
Furthermore, the switching-on release linkage mechanism comprises a push plate, a push plate rotating shaft is fixedly arranged on the mounting base plate, the push plate is rotatably arranged on the push plate rotating shaft, and a push plate torsion spring is sleeved on the push plate, so that a switching-on release linkage shaft on the push plate can be abutted against the release interlocking rod to overcome the resistance of a reset torsion spring of the release interlocking rod, and the release interlocking rod is rotated to push the release interlocking relation between the primary rotating plate and the secondary linkage rod;
the main shaft is pivotally arranged on the mounting base plate, the cantilever is fixedly arranged on the main shaft and can rotate together with the main shaft, a striking shaft is arranged on the cantilever and is linked with a linkage part on the push plate, and the striking shaft can push the linkage part along with the rotation of the cantilever so as to drive the push plate to rotate away from the unlocking lever.
Furthermore, the push plate torsion spring is sleeved on the push plate rotating shaft, one end of the push plate torsion spring abuts against the first shaft on the push plate, and the other end of the push plate torsion spring abuts against the second shaft on the mounting bottom plate.
Furthermore, a push plate rotation stroke limiting shaft is arranged on the mounting base plate and can limit the rotation stroke of the push plate.
Further, the opening and releasing linkage mechanism comprises an opening half shaft, the opening half shaft is linked with the other end of the releasing interlocking rod, and the opening half shaft can push the releasing interlocking rod M to rotate to push the first-stage rotating plate and the second-stage interlocking rod to release the linkage relation between the first-stage rotating plate and the second-stage interlocking rod when opening and rotating.
Furthermore, the installation bottom plate is provided with a locking releasing lever rotation stroke limiting block which can limit the rotation stroke of the locking releasing lever.
Preferably, the mounting bottom plate is a side plate.
Advantageous effects
The utility model provides a pair of circuit breaker operating device divide-shut brake interlocking device realizes interlocking function through less part, and the switching link in the middle of the state of this interlocking device direct acquisition separating brake semi-axis and pivot reduces simultaneously, very big improvement interlocking device's life-span and reliability, whole mechanism is rationally distributed, has reduced the space that needs occupy.
Drawings
Fig. 1 is a schematic structural diagram of an operating mechanism in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the opening/closing interlocking mechanism in the embodiment of the present invention.
Fig. 3a is a schematic perspective view of the embodiment of the present invention in an inactive state of the opening interlock.
Fig. 3b is a schematic structural diagram of the embodiment of the present invention in an inactive state of the opening interlock.
Fig. 4a is a schematic perspective view of the embodiment of the present invention in a closing interlock starting state.
Fig. 4b is a schematic structural diagram of the embodiment of the present invention in a closing interlock starting state.
Fig. 5a is a schematic perspective view of the embodiment of the present invention in the opening interlock starting state.
Fig. 5b is a schematic structural diagram of the embodiment of the present invention in the opening interlock starting state.
Fig. 6 is a schematic structural diagram of a button according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a one-level rotating plate according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a second-stage linkage rod in an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of an indicating interlocking mechanism for opening and closing in an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of the switching-on/off indication interlocking mechanism in the embodiment of the present invention in a state of waiting to be switched on. Fig. 11 is the utility model discloses a structural schematic that interlocking device is in combined floodgate state is instructed in divide-shut brake.
Fig. 12 is a schematic structural diagram of a closing half shaft in the embodiment of the present invention.
Fig. 13 is a schematic structural diagram of the opening half shaft in the embodiment of the present invention.
Fig. 14 is a schematic structural view of the unlocking lever according to the embodiment of the present invention.
Fig. 15 is a schematic structural diagram of a push plate in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1,2 and 9, the opening and closing interlocking mechanism of the circuit breaker operating mechanism comprises an opening and closing indication interlocking mechanism, wherein the opening and closing indication interlocking mechanism comprises a mounting bottom plate 1, and in this embodiment, the mounting bottom plate 1 is preferably a side plate. Drive piece 2 dress is in can back and forth movement on the mounting plate 1, reset elastic component 3 with drive piece 2 is connected and can be ordered about drive piece 2 resets, in this embodiment, the elastic component 3 that resets is the extension spring that resets, extension spring one end that resets is connected on the button, the other end dress is in on the installation axle 7 of button. The driving piece 2 is arranged on the mounting base plate 1 and can push the first-stage rotating plate 4 to rotate in the motion process, the first-stage rotating plate 4 can push the second-stage linkage rod 5 to move in the rotation process, and the second-stage linkage rod 5 can drive the closing half shaft 6 to rotate in the motion process.
In this embodiment, as shown in fig. 6 and 9, the driving member 2 is a button, the button is provided with a sliding slot 201, and in this embodiment, it is preferable that the button is provided with 2 sliding slots 201 side by side up and down. Button installation axle 7 one end is fixed to be adorned on mounting plate 1, and the other end is worn out slip slotted hole 201, button installation axle 7 is worn out the one end of slip slotted hole 201 is spacing with jump ring 8, the button dress is in can the horizontal back and forth movement on the button installation axle 7.
As shown in fig. 6,7,8 and 9, the boss 401 and the boss 402 extend out of the first-level rotating plate 4, the first-level rotating plate 4 is mounted on the mounting base plate 1 through the shaft 9, the reset torsion spring 12 is mounted on the shaft 9 and can provide the reset force for the first-level rotating plate 4, one end of the reset torsion spring 10 is abutted against the first-level rotating plate 4, and the other end is abutted against the side plate to provide the reset force for the counterclockwise rotation of the first-level rotating plate 4.
As shown in fig. 6,7,8,9 and 12, the first-level rotating plate 4 is linked with the protruding rod 202 arranged on the button through a boss 401, the first-level rotating plate 4 is linked with the second-level linkage rod 501 arranged at the upper end of the second-level linkage rod 5 through the first step 402a at the front end of the protruding plate 402 in an overlapping manner, specifically, the first step 402a and the second step 501 are ensured to be overlapped by the second linkage rod 5 through the linkage rod tension spring 11 connected to the second-level linkage rod 5, so that the second-level linkage rod 5 has a tendency of rotating around the lower end, and the other end of the linkage rod tension spring 11 is installed on the side. The lower end of the second-stage linkage rod 5 is pivotally connected with the closing half shaft 6, the second-stage linkage rod 5 can drive the closing half shaft 6 to rotate in the downward movement process, and the closing half shaft 10 can unlock the closing lock catch 12 in the rotation process.
As shown in fig. 11, when a closing operation is required, after an external force is applied to the button, the button overcomes the resistance of the reset tension spring to slide in the sliding slot 201 toward the inside of the operating mechanism, the button pushes the boss 401 through the protruding rod 202 to drive the first-stage rotating plate 4 to rotate clockwise, the first-stage linkage plate 4 pushes the step two 501 through the step one 402a during the clockwise rotation to drive the second-stage linkage rod 5 to move downward, the second-stage linkage rod 5 pushes the closing half shaft 6 to rotate during the downward movement, the amount of the locking between the closing half shaft 6 and the opening latch 12 is gradually reduced, when the amount of the locking is reduced to zero, the locking between the closing half shaft and the closing latch of the operating mechanism is broken, and then the locking state between the cam 13, the closing latch 12 and the energy storage lever 14 is broken, and the energy storage lever 14 can rapidly move under the action of the, the link assembly 16 is pushed to act, so as to drive the main shaft of the operating mechanism to rotate, and the operating mechanism is switched on as shown in fig. 10.
In order to realize the releasing indication function of the switching indication interlocking mechanism in the closing state and the opening state, as shown in fig. 2 and 14, a releasing interlocking rod M1 is arranged on the mounting base plate 1, a releasing interlocking rod M1 is rotatably mounted on a releasing interlocking rod mounting shaft M2 on the mounting base plate 1, and a releasing interlocking rod rotation stroke limiting block 102 is arranged on the mounting base plate 1 and can limit the rotation stroke of the releasing interlocking rod M1. One end of the unlocking interlocking lever M1 is correspondingly linked with the secondary interlocking lever 5, and an unlocking interlocking lever resetting torsion spring M3 is arranged on the unlocking interlocking lever mounting shaft M2, so that one end of the unlocking interlocking lever M1 and the secondary interlocking lever 5 have a separation trend; meanwhile, a closing release linkage mechanism A is arranged on the mounting bottom plate 1 and can push the release interlocking rod M1 to rotate during closing so as to release the linkage relation between the primary rotating plate 4 and the secondary interlocking rod 5; the mounting base plate 1 is further provided with a switching-off release linkage mechanism B, and the switching-off release linkage mechanism B can push the release interlocking rod M1 to rotate during switching-off so as to release the linkage relation between the primary rotating plate 4 and the secondary interlocking rod 5.
Specifically, as shown in fig. 2 and 15, the closing release linkage mechanism a includes a push plate a7, a push plate rotation shaft a6 is fixedly mounted on the mounting base plate 1, a push plate a7 is rotatably mounted on the push plate rotation shaft a6, and a push plate rotation stroke limiting shaft (not shown in the drawings) is disposed on the mounting base plate 1 to limit the rotation stroke of the push plate a 7. A push plate torsion spring A8 is sleeved on the push plate rotating shaft A6, one end of the push plate torsion spring A8 is abutted against the first shaft A702 on the push plate A7, the other end of the push plate torsion spring A8 is abutted against the second shaft 101 on the mounting base plate 1, and the closing release linkage shaft A7a on the push plate A7 is abutted against the release interlocking rod M1 to overcome the resistance of the release interlocking rod reset torsion spring M3, so that the release interlocking rod M1 rotates to push the release linkage relation between the primary rotating plate 4 and the secondary linkage rod 5;
meanwhile, in order to enable the push plate A7 to be separated from the unlocking lever M1 so as to restore the linkage relationship between the primary rotating plate 4 and the secondary linkage lever 5, a structure is provided in which the main shaft A2 is pivotally mounted on the mounting base plate 1, a cantilever A3 is fixedly mounted on the main shaft A2 and can rotate together with the main shaft A2, a striking shaft A301 is provided on the cantilever A3, the striking shaft A301 is linked with a linkage part A701 on the push plate A7, and the striking shaft A301 can push the linkage part A701 to drive the push plate A7 to rotate away from the unlocking lever M1 during rotation of the cantilever A3.
And during opening, an opening release linkage mechanism B is arranged for recovering the linkage relationship between the primary rotating plate 4 and the secondary linkage rod 5, and the opening release linkage mechanism B comprises an opening half shaft B1, as shown in fig. 2 and 13, the opening half shaft B1 is linked with the other end of the release interlocking rod M1, and the opening half shaft B1 can push the release interlocking rod M1 to rotate to push the release interlocking relationship between the primary rotating plate 4 and the secondary linkage rod 5 during opening rotation.
As shown in fig. 3a and 3B, when the operating mechanism is in the non-activated state of the opening interlocking, neither the push plate a7 nor the opening half shaft B1 is in contact with the unlocking interlocking rod M1, the unlocking interlocking rod M1 is far away from the secondary interlocking rod 5 under the action of the unlocking interlocking rod resetting torsion spring M3, the first step 402a is overlapped with the second step 501, and the opening and closing indicates that the interlocking mechanism can work normally;
as shown in fig. 4a and 4b, when the operating mechanism is in a closing interlock starting state, the closing release linkage shaft A7a on the push plate A7 abuts against the release interlock lever M1 to overcome the resistance of the release interlock lever reset torsion spring M3, so that the release interlock lever M1 rotates to push and release the overlapping of the first step 402a and the second step 501 between the primary rotating plate 4 and the secondary linkage lever 5, and the switching-closing indication interlock mechanism cannot work normally; if the pushing plate A7 is allowed to leave the unlocking lever M1 to restore the linkage relationship between the primary rotating plate 4 and the secondary linkage lever 5, the striking shaft a301 provided on the cantilever A3 pushes the linkage portion a701 to rotate the pushing plate A7 away from the unlocking lever M1.
As shown in fig. 5a and 5B, when the operating mechanism is in the opening interlocking start state, the opening half shaft B1 can push the unlocking lever M1 to rotate to push the first step 402a and the second step 501 between the first-stage rotating plate 4 and the second-stage linking rod 5 to be unlocked when opening and rotating, and the opening and closing indicating interlocking mechanism cannot work normally;
in the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (13)
1. The utility model provides a circuit breaker operating device divide-shut brake interlocking device which characterized in that: the device comprises an installation bottom plate (1), a driving piece (2) is arranged on the installation bottom plate (1) and can move back and forth, a reset elastic piece (3) is connected with the driving piece (2) and can drive the driving piece (2) to reset, the driving piece (2) is arranged on the installation bottom plate (1) and can push a first-stage rotating plate (4) to rotate in the moving process, the first-stage rotating plate (4) can be linked with a second-stage linkage rod (5) to move in the rotating process, and a switching-on half shaft (6) can be driven to rotate in the moving process of the second-stage linkage rod (5);
the unlocking and interlocking rod (M1) is rotatably arranged on an unlocking and interlocking rod mounting shaft (M2) on the mounting base plate (1), one end of the unlocking and interlocking rod (M1) is correspondingly linked with the secondary interlocking rod (5), and an unlocking and interlocking rod resetting torsion spring (M3) is arranged on the unlocking and interlocking rod mounting shaft (M2) to enable one end of the unlocking and interlocking rod (M1) to have a separation tendency with the secondary interlocking rod (5);
a closing release linkage mechanism (A) is arranged on the mounting bottom plate (1), and the closing release linkage mechanism (A) can push the release interlocking rod (M1) to rotate during closing so as to release the linkage relation between the primary rotating plate (4) and the secondary interlocking rod (5);
the installation bottom plate (1) is provided with a switching-off release linkage mechanism (B), and the switching-off release linkage mechanism (B) can push the release interlocking rod (M1) to rotate during switching-off so as to release the linkage relation between the primary rotating plate (4) and the secondary interlocking rod (5).
2. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 1, wherein: driving piece (2) are the button, be equipped with slip slotted hole (201) on the button, button installation axle (7) one end is fixed to be adorned on mounting plate (1), the other end is worn out slip slotted hole (201), button installation axle (7) are worn out the one end of slip slotted hole (201) is spacing with jump ring (8), the button dress is in can the horizontal back and forth movement on button installation axle (7).
3. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 2, wherein: the reset elastic piece (3) is a reset tension spring, one end of the reset tension spring is connected to the button, and the other end of the reset tension spring is arranged on the button installation shaft (7).
4. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 2, wherein: the novel automatic closing device is characterized in that the first-level rotating plate (4) extends out of a boss (401) and a convex plate (402), the first-level rotating plate (4) is arranged on the mounting base plate (1) through a shaft (9), the first-level rotating plate (4) is in linkage with a convex rod (202) arranged on a button through the boss (401), the first-level rotating plate (4) is in lap joint linkage with a second step (501) arranged at the upper end of a second-level linkage rod (5) through a first step (402a) at the front end of the convex plate (402), the lower end of the second-level linkage rod (5) is in pivot connection with a closing half shaft (6), the second-level linkage rod (5) can drive the closing half shaft (6) to rotate in the downward movement process, and the closing half shaft (6) can unlock the closing lock catch (12) in.
5. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 4, wherein: the reset torsion spring (10) is arranged on the shaft (9) and can provide reset force for the primary rotating plate (4).
6. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 2, wherein: 2 sliding slotted holes (201) are arranged on the button in parallel up and down.
7. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 2, wherein: the second-level linkage rod (5) is connected with a linkage rod tension spring (11) to enable the linkage rod tension spring to have a tendency of rotating around the lower end, so that the step I (402a) and the step II (501) are in lap joint.
8. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 1, wherein: the linkage mechanism (A) for releasing the closing comprises a push plate (A7), a push plate rotating shaft (A6) is fixedly installed on the installation base plate (1), the push plate (A7) is rotatably installed on the push plate rotating shaft (A6), a push plate torsion spring (A8) is sleeved on the push plate (A7) and can enable a linkage shaft (A7a) for releasing the closing on the push plate (A7) to abut against the interlocking releasing rod (M1) to enable the interlocking releasing rod (M1) to overcome the resistance of an interlocking releasing rod reset torsion spring (M3) so as to enable the interlocking releasing rod (M1) to rotate and push the linkage relation between the primary rotating plate (4) and the secondary linkage rod (5) to be released;
main shaft (A2) pivoted dress is in on mounting plate (1), cantilever (A3) fixed mounting can rotate together with main shaft (A2) on main shaft (A2), be provided with on cantilever (A3) and hit axle (A301), hit axle (A301) with linkage portion (A701) linkage on push pedal (A7), hit axle (A301) along cantilever (A3) rotate in-process and can promote linkage portion (A701) thereby drive push pedal (A7) rotate and leave release interlocking lever (M1).
9. The opening and closing interlocking mechanism for the circuit breaker operating mechanism according to claim 8, wherein: the push plate torsion spring (A8) suit is in on the push plate rotation axis (A6), push plate torsion spring (A8) one end supports axle one (A702) on push plate (A7), and the other end supports axle two (101) on mounting plate (1).
10. The opening and closing interlocking mechanism for the circuit breaker operating mechanism according to claim 8, wherein: the mounting base plate (1) is provided with a push plate rotation stroke limiting shaft which can limit the rotation stroke of the push plate (A7).
11. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 1, wherein: the opening release linkage mechanism (B) comprises an opening half shaft (B1), the opening half shaft (B1) is linked with the other end of the release interlocking rod (M1), and the opening half shaft (B1) can push the release interlocking rod (M1) to rotate and release the linkage relation between the primary rotating plate (4) and the secondary interlocking rod (5).
12. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 1, wherein: the mounting bottom plate (1) is provided with a unlocking interlocking rod rotation stroke limiting block (102) which can limit the rotation stroke of the unlocking interlocking rod (M1).
13. The opening and closing interlocking mechanism of the circuit breaker operating mechanism according to claim 1, wherein: the mounting bottom plate (1) is a side plate.
Priority Applications (1)
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CN202021274336.4U CN212750769U (en) | 2020-07-01 | 2020-07-01 | Circuit breaker operating device divide-shut brake interlocking device |
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CN202021274336.4U CN212750769U (en) | 2020-07-01 | 2020-07-01 | Circuit breaker operating device divide-shut brake interlocking device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113889375A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker operating device divide-shut brake interlocking device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113889375A (en) * | 2020-07-01 | 2022-01-04 | 上海良信电器股份有限公司 | Circuit breaker operating device divide-shut brake interlocking device |
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