CN215834491U - A reclosing device is prevented to portable for circuit breaker - Google Patents

Abstract

The utility model provides a portable prevents reclosing device for circuit breaker, still be provided with buckle assembly devices, output shaft mechanism, combined floodgate semi-axis mechanism, electromagnet mechanism, energy storage drive mechanism is used for driving buckle assembly devices, buckle assembly devices is used for driving output shaft mechanism and combined floodgate semi-axis mechanism simultaneously, output shaft mechanism is used for driving and prevents the swing of coincidence lever to electromagnet mechanism department, and realize electromagnet mechanism unblock, be equipped with the bearing rod between combined floodgate semi-axis mechanism and the electromagnet mechanism, and drive the bearing rod through combined floodgate semi-axis mechanism and remove, and the output shaft of the electro-magnet of allowing electromagnet mechanism after combined floodgate mechanism combined floodgate can promote, so that combined floodgate mechanism can not reclose again after combined floodgate. The electromagnetic switch has the advantages that the electromagnet mechanism is used for powering off the breaker in switching-on, so that the breaker cannot be manually switched on, safety guarantee is provided for operators, and even if the operators fail to operate, the breaker is in a power-off state, any adverse reaction cannot occur.

Description

A reclosing device is prevented to portable for circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a portable reclosing prevention device for a circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like.

The publication number CN206236561U discloses an anti-reclosing device for a circuit breaker, which comprises a support frame, and a switching-off mechanism, a switching-on mechanism, an energy storage driving mechanism, an energy storage transmission mechanism, an energy storage spring mechanism and a supporting mechanism which are arranged on the support frame; the reclosing prevention device is connected with a frame of the circuit breaker through a support frame; the switching-off mechanism and the switching-on mechanism are respectively used for realizing switching-off transmission and switching-on transmission; the energy storage driving mechanism is used for storing energy of the energy storage spring mechanism through the energy storage transmission mechanism before and after closing; the abutting mechanism is connected with the energy storage spring mechanism, and after the closing mechanism is closed, the abutting mechanism abuts against and contacts with the closing mechanism, so that the closing mechanism cannot be closed again after being closed. The reclosing prevention device is simple in structure, and the function of avoiding reclosing after the closing mechanism is closed does not meet the requirement of the technical field of circuit breakers.

SUMMERY OF THE UTILITY MODEL

The present invention is to solve the above-mentioned shortcomings of the prior art, and provides a portable reclosing prevention device for a circuit breaker to solve the above-mentioned problems.

The utility model adopts the technical scheme for solving the technical problems that: the portable anti-reclosing device for the circuit breaker comprises a rack, an opening mechanism, a closing mechanism, an energy storage driving mechanism and an energy storage transmission mechanism, wherein the opening mechanism, the closing mechanism, the energy storage driving mechanism and the energy storage transmission mechanism are arranged on the rack, the opening mechanism and the closing mechanism are respectively used for realizing opening transmission and closing transmission, the energy storage driving mechanism is used for driving the energy storage transmission mechanism, a pinch plate assembling mechanism, an output shaft mechanism, a closing half shaft mechanism and an electromagnet mechanism are further arranged, the energy storage transmission mechanism is used for driving the pinch plate assembling mechanism, the pinch plate assembling mechanism is used for simultaneously driving the output shaft mechanism and the closing half shaft mechanism, the output shaft mechanism is used for driving an anti-reclosing lever to swing to the electromagnet mechanism and realizing unlocking of the electromagnet mechanism, a bearing rod is arranged between the half shaft mechanism and the electromagnet mechanism, the bearing rod is driven to move by the closing half shaft mechanism, and the output shaft of an electromagnet of the electromagnet mechanism can be pushed after the closing mechanism, so that the closing mechanism can not be reclosed after closing.

Further perfect, buckle assembly devices has the buckle round pin, the buckle seat, spacing even board, even board and first turning arm, buckle round pin one end is fixed in the intermediate lamella of frame, and allow the buckle seat along its axis rotation, realize self rotation through the frictional force that the cooperation produced between buckle seat and the energy storage transmission structure, and the output shaft mechanism between the frictional force drive combined floodgate semi-axis mechanism that produces through the cooperation rotate, spacing even board one end is rotated and is connected in the buckle seat, the other end is rotated and is connected in even board, the connecting plate rotates with first turning arm and is connected, first turning arm is pegged graft in combined floodgate semi-axis mechanism.

Further perfect, combined floodgate semi-axis mechanism has ball bearing, pivot and second turning arm, and ball bearing installs in the intermediate lamella of frame, and the pivot is rotated and is connected in ball bearing, and the intermediate lamella that just one end passed the frame extends to the back plate of frame, and the second turning arm is connected in the position department that the pivot is close to the back plate of frame, and the second turning arm still is connected with the bearing lever.

Further perfect, output shaft mechanism has integral key shaft, third turning arm and fourth turning arm, and the integral key shaft rotates to be connected in the intermediate lamella of frame to supply first turning arm to peg graft, third turning arm, fourth turning arm all rotate to be connected in the integral key shaft, and allow the rotation that the integral key shaft was followed to third turning arm to drive and prevent the swing of coincidence lever, the fourth turning arm is used for driving separating brake mechanism.

The electromagnet mechanism is further perfected and provided with an electromagnet mounting plate, an electromagnet, a split-joint rotating shaft and a push plate, wherein the electromagnet mounting plate is respectively connected with a middle plate and a front plate of the rack, a power supply magnet is mounted on one side of the electromagnet mounting plate and arranged along the height direction of the electromagnet mounting plate, the split-joint rotating shaft is inserted into the electromagnet mounting plate and moves along the height direction of the electromagnet mounting plate, a notch is formed in the middle section of the split-joint rotating shaft and serves as a swing moving space of an anti-coincidence lever, the push plate is rotatably connected with the split-joint rotating shaft, one end of the push plate is allowed to be connected with a bearing rod, the other end of the push plate is rotatably connected with an output shaft of the electromagnet, and the output shaft of the electromagnet can be pushed to move when the push plate is driven by the bearing rod to rotate along the split-joint rotating shaft.

Further perfect, the push pedal has upper portion, lower part and connects connecting portion between them, and upper portion is the configuration of L form, and its horizontal part and vertical part's junction rotate to be connected in the deciliter pivot, and the lower part is the configuration of T form, and the horizontal part of T form is annular and rotation connection in the deciliter pivot, and connecting portion rotation is connected in the output shaft of electro-magnet.

Further perfected, the bearing rod is provided with a rod part and two bearing parts, the bearing parts are connected with the fish eyeball in a rotating mode, and the fish eyeball is allowed to be fixedly connected with the second crank arm or the upper part.

The anti-overlapping lever is further perfected, the included angle of the anti-overlapping lever is larger than 90 degrees in an L-shaped configuration, the joint of the transverse part and the vertical part is annular, and the transverse part and the vertical part rotate on the middle plate of the rack through the upright post.

The utility model has the beneficial effects that:

according to the utility model, the circuit breaker is powered off when being switched on through the electromagnet mechanism, so that safety guarantee is provided for operators, even if the circuit breaker is in a power-off state due to misoperation of the operators, any adverse reaction can not occur, the process of realizing the power-off of the circuit breaker by using the electromagnet mechanism is very convenient, the anti-coincidence lever swings to the electromagnet mechanism through the output shaft mechanism and unlocks the electromagnet mechanism, then the switching-on half shaft mechanism is driven by the pinch plate assembling mechanism, the output shaft of the electromagnet mechanism is pushed to move by using the bearing rod, so that the electromagnet mechanism locks the switching-on mechanism, namely the circuit breaker is powered off, and the circuit breaker cannot be switched on manually.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention, wherein there are anti-coincidence lever, bearing rod, pinch plate assembly mechanism, output shaft mechanism, closing half shaft mechanism and electromagnet mechanism;

FIG. 3 is a schematic structural diagram of a push plate according to the present invention;

fig. 4 is a schematic structural view of the bearing rod of the present invention.

Detailed Description

The utility model will be further described with reference to the accompanying drawings in which:

with reference to the accompanying drawings: the portable anti-reclosing device for the circuit breaker comprises a rack 1, an opening mechanism, a closing mechanism, an energy storage driving mechanism and an energy storage driving mechanism, wherein the opening mechanism, the closing mechanism and the energy storage driving mechanism are arranged on the rack 1 and are respectively used for realizing opening transmission and closing transmission, the energy storage driving mechanism is used for driving the energy storage driving mechanism, a pinch plate assembling mechanism, an output shaft mechanism, a closing half shaft mechanism and an electromagnet mechanism are further arranged, the energy storage driving mechanism is used for driving the pinch plate assembling mechanism, the pinch plate assembling mechanism is used for simultaneously driving the output shaft mechanism and the closing half shaft mechanism, the output shaft mechanism is used for driving an anti-reclosing lever 2 to swing towards the electromagnet mechanism and unlocking the electromagnet mechanism, a bearing rod 3 is arranged between the half shaft mechanism and the electromagnet mechanism, the bearing rod 3 is driven to move by the closing half shaft mechanism, and the output shaft of an electromagnet of the electromagnet mechanism can be pushed after the closing mechanism is closed, so that the closing mechanism can not be reclosed after closing. The principle of the utility model is that the breaker is powered off when being switched on through the electromagnet mechanism, so that safety guarantee is provided for operators, even if the breaker is in a power-off state due to misoperation of the operators, any adverse reaction can not occur, the process of realizing the power-off of the breaker by using the electromagnet mechanism is very convenient, the anti-coincidence lever 2 swings to the electromagnet mechanism through the output shaft mechanism and unlocks the electromagnet mechanism, and then the switching-on half shaft mechanism is driven by the buckle plate assembling mechanism to push the output shaft of the electromagnet mechanism to move by using the bearing rod 3, so that the electromagnet mechanism locks the switching-on mechanism, namely the breaker is powered off, and the breaker cannot be switched on manually. Meanwhile, the opening mechanism, the closing mechanism, the energy storage driving mechanism and the energy storage transmission mechanism belong to the prior art.

In order to enable the pinch plate assembling mechanism to drive the output shaft mechanism and the closing half shaft mechanism simultaneously, the pinch plate assembling mechanism is provided with a pinch plate pin 41, a pinch plate seat 42, a limiting connecting plate 43, a connecting plate 44 and a first connecting lever 45, one end of the pinch plate pin 41 is fixed on a middle plate of the frame 1 and allows the pinch plate seat 42 to rotate along the axis of the pinch plate pin, the pinch plate seat 42 and the energy storage transmission structure realize self rotation through friction force generated by matching, the closing half shaft mechanism is driven to rotate through friction force generated by matching between the pinch plate seat 42 and the output shaft mechanism, one end of the limiting connecting plate 43 is rotatably connected with the pinch plate seat 42, the other end of the limiting connecting plate 43 is rotatably connected with the connecting plate 44, the connecting plate 44 is rotatably connected with the first connecting lever 45, the first connecting lever 45 is inserted in the closing half shaft mechanism, the arrangement can be realized by firstly that the pinch plate pin 41 is a middle plate rotatably connected with the frame 1, the pinch plate seat 42 is fixed on the pinch plate pin 41 through two fastening nuts so as to rotate along with the rotation of the pinch plate pin 41, the buckle plate seat 42 also needs to drive the closing half-shaft mechanism and the output shaft mechanism at the same time, so that the buckle plate of the buckle plate seat 42 is in an axel-shaped configuration and is used for simulating the friction force generated by the knife face part and the closing half-shaft mechanism and is used for simulating the rotation connection of the mounting part of the mounting handle and the connecting rod structure consisting of the limiting connecting plate 43, the connecting plate 44 and the first connecting lever 45, and the connecting rod structure is used for driving the output shaft mechanism, the connecting rod structure is adopted mainly to avoid the mounting interference with the energy storage transmission mechanism, the limiting connecting plate 43 is in an S-shaped configuration, not only the working length is extended, but also the energy storage transmission mechanism is perfectly avoided, the connecting plate 44 controls the working length of the limiting connecting plate 43, the working length cannot be overlong, the movement amplitude of the limiting connecting plate 43 can also be reduced, the first connecting lever 45 is connected with the closing half-shaft mechanism, and all parts of the connecting rod structure are in rotation connection, so that the use flexibility is good.

For the closing half-shaft mechanism, the closing half-shaft mechanism is used for driving the bearing rod 3 to move so as to push the output shaft of the electromagnet mechanism, the closing half-shaft mechanism is provided with a ball bearing 51, a rotating shaft 52 and a second crank arm 53, the ball bearing 51 is arranged on the middle plate of the frame 1, the rotating shaft 52 is rotatably connected in the ball bearing 51, one end head of the rotating shaft passes through the middle plate of the frame 1 and extends towards the back plate of the frame 1, the second crank arm 53 is connected to the position of the rotating shaft 52 close to the back plate of the frame 1, the second crank arm 53 is also connected with the bearing rod 3, the bearing rod 3 can be driven to move by the arrangement, firstly, the rotating shaft 52 is rotatably connected to the middle plate of the frame 1, the roller bearing 51 is used for ensuring the coaxiality and the rotational fluency of the rotating shaft 52, the power for driving the rotating shaft 52 to rotate is realized by the pinch plate seat 42 of the pinch plate assembly mechanism, and the position of the rotating shaft 52 matched with the pinch plate seat 42 is provided with a clamping groove, the reason for setting up the draw-in groove is because pivot 52 self outer peripheral face is circular-arc, and buckle seat 42 is circular-arc rather than the surface of contact, so the friction contact surface is few, thereby pivot 52 can produce disconnected contact when rotating, and the draw-in groove makes buckle seat 42 not only make the entering depth increase, and make the contact surface who contacts with buckle seat 42 be the plane, can solve pivot 52 and can produce disconnected contact's problem when rotating, thereby realize the stable rotation of pivot 52, second turning arm 53 is connected with pivot 52 with the mode of pegging graft, its self can not the rotation, can only realize through the rotation of pivot 52, thereby can drive bearing rod 3 at the very first time and remove.

For the output shaft mechanism, the output shaft mechanism needs to meet the requirements that the output shaft mechanism can drive the anti-coincidence lever 2 to swing and can also drive the brake separating mechanism, the output shaft mechanism is provided with a spline shaft 61, a third crank arm 62 and a fourth crank arm 63, the spline shaft 61 is rotatably connected to the middle plate of the frame 1 and is used for the insertion of the first crank arm 45, the third crank arm 62 and the fourth crank arm 63 are rotatably connected to the spline shaft 61 and allow the third crank arm 62 to drive the anti-coincidence lever 2 to swing along with the rotation of the spline shaft 61, the fourth crank arm 63 is used for driving the brake separating mechanism, the arrangement can meet the requirements that the spline shaft 61 has two functions, on one hand, the spline shaft can be rotatably connected to the frame 1 when being installed on the frame 1, on the other hand, the first crank arm 45, the third crank arm 62 and the fourth crank arm 63 installed on the spline shaft 61 are firmly installed and can not rotate by self and only depend on the spline shaft 61 to realize rotation, therefore, the spline shaft 61 can only use the power provided by the first crank arm 45 of the buckle plate assembly mechanism, and can also convert the power provided by the first crank arm 45 into the driving power to drive the anti-overlapping lever 2 to swing through the third crank arm 62 and drive the brake separating mechanism through the fourth crank arm 63.

For the electromagnet mechanism, the electromagnet mechanism is used for locking the closing mechanism, so that the circuit breaker can not be manually closed, the electromagnet mechanism is provided with an electromagnet mounting plate 71, a dividing and combining rotating shaft 72 and a push plate 73, the electromagnet mounting plate 71 is respectively connected with the middle plate and the front plate of the frame 1, the power supply magnet is mounted on one side of the electromagnet mounting plate and arranged along the height direction of the electromagnet mounting plate, the dividing and combining rotating shaft 72 is inserted into the electromagnet mounting plate 71 and moves along the height direction of the electromagnet mounting plate, a notch 72-a is formed in the middle section part of the dividing and combining rotating shaft 72 and serves as a swing moving space of the anti-overlapping lever 2, the push plate 73 is rotatably connected with the dividing and combining rotating shaft 72, one end of the push plate is allowed to be connected with the bearing rod 3, the other end of the push plate is rotatably connected with the output shaft of the electromagnet, and the output shaft of the electromagnet can be pushed to move when the dividing and combining rotating shaft 72 is driven by the bearing rod 3 to rotate in a rotating direction, firstly, the electromagnet mounting plate 71 is mounted on the rack 1 and provides a mounting position for the electromagnet, so that the electromagnet can be in a proper position and the mounting stability is kept, the opening and closing rotating shaft 72 is movably connected to the electromagnet mounting plate 71, namely, the principle that the push plate 73 is rotatably connected with the output shaft of the electromagnet is combined, when the switching-on mechanism is not locked, the push plate 73 and the output shaft of the electromagnet are not interfered, the push plate 73 can only translate along the output shaft of the electromagnet but can not push out the output shaft of the electromagnet, specifically, the diameter of the part is smaller than the integral diameter of the opening and closing rotating shaft 72 by cutting the position where the opening and closing rotating shaft 72 is rotatably connected with the push plate 73 through circumference, so that the opening and closing rotating shaft 72 can drive the push plate 73 to move upwards by using the mode when moving upwards, namely, the push plate 73 is driven to rotate along the axial direction of the output shaft of the electromagnet, the output shaft of the electromagnet can be pushed when the push plate 73 is driven by the bearing rod 3 to rotate along the axis of the opening and closing rotating shaft 72, so that the closing mechanism is locked, and the circuit breaker cannot be manually closed.

In order to realize that the push plate 73 can be rotatably connected with the dividing and combining rotating shaft 72, can also be connected with the bearing rod 3 and can push the output shaft of the electromagnet to move, the push plate 73 is provided with an upper part 73-a, a lower part 73-b and a connecting part 73-c for connecting the upper part 73-a and the lower part, the upper part 73-a is in an L-shaped configuration, the connecting part of the transverse part and the vertical part is rotatably connected with the dividing and combining rotating shaft 72, the lower part 73-b is in a T-shaped configuration, the T-shaped transverse part is annular and rotatably connected with the dividing and combining rotating shaft 72, and the connecting part 73-c is rotatably connected with the output shaft of the electromagnet, the arrangement is satisfied that the upper part 73-a is in an L-shaped configuration to enable the upper part to have three connecting points, namely the transverse part, the vertical part and the connecting part of the transverse part and the vertical part, and the transverse part is used for being connected with the bearing rod 3, the connecting part of the transverse part and the vertical part is rotatably connected with the opening and closing rotating shaft 72, the vertical part is used for being connected with the connecting part 73-c, and the lower part 73-b is T-shaped and is provided with two connecting points which are used for being connected with the connecting part 73-c and rotatably connected and matched with the opening and closing rotating shaft 72, so that the structural strength of the connecting part 73-c is increased, the output shaft of the electromagnet can be pushed to move under the driving of the bearing rod 3, and the reclosing of the closing mechanism after closing is prevented.

Further perfection, the bearing rod 3 is provided with a rod part 31 and two bearing parts 32, a fish eye ball 32-a is rotatably connected in the bearing part 32, and the fish eye ball 32-a is allowed to be fixedly connected with the second crank arm 53 or the upper part 73-a, the arrangement enables the bearing rod 31 to be fixedly connected with the second crank arm 53 or the upper part 73-a, and the bearing rod has the characteristic of flexible connection, so that the bearing rod 31 can not deviate in the process of realizing the movement of the bearing rod or driving the upper part 73-a to rotate through the second crank arm 53, the connection position of the bearing rod 31 and the second crank arm 53 or the upper part 73-a is always kept at a designated position, a worker does not need to check whether the bearing rod 31 has a dislocation hidden danger, and the flexible connection enables the use flexibility of the bearing rod 31 to be good, and the bearing rod 31 has the rotation capability in a certain angle range, the bearing rod 31 has the functions of moving and rotating, and the using effect is good.

Further perfection, the anti-coincidence lever 2 is in an L-shaped configuration with an included angle larger than 90 degrees, the joint of the transverse part and the vertical part is annular and rotates on the middle plate of the rack 1 through the stand column 8, the anti-coincidence lever 2 is provided with two action arms, one action arm is used for receiving the driving force from the third crank arm 62, the other action arm is used for converting the driving force of the third crank arm 62 into power to be applied to the split-combination rotating shaft 72, namely, the split-combination rotating shaft 72 moves upwards through the swinging of the anti-coincidence lever 2, and the joint of the transverse part and the vertical part of the anti-coincidence lever 2 is also in an annular structure, so that the joint has a sufficient connecting area and can be penetrated by the stand column 8, and the anti-coincidence lever 2 does not have the swinging characteristic and needs to be realized through the stand column 8, and is convenient and fast.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (8)

1. The utility model provides a reclosing device is prevented to portable for circuit breaker, includes frame (1) and sets up separating brake mechanism, closing mechanism, energy storage actuating mechanism, the energy storage drive mechanism in frame (1), and separating brake mechanism, closing mechanism are used for realizing separating brake transmission, closing transmission respectively, and energy storage actuating mechanism is used for driving energy storage drive mechanism, its characterized in that: still be provided with buckle assembly devices, output shaft mechanism, combined floodgate semi-axis mechanism, electromagnet mechanism, energy storage drive mechanism is used for the drive buckle assembly devices, buckle assembly devices is used for driving output shaft mechanism and combined floodgate semi-axis mechanism simultaneously, output shaft mechanism be used for driving prevent coincidence lever (2) to electromagnet mechanism department swing, and realize electromagnet mechanism unblock, combined floodgate semi-axis mechanism with be equipped with bearing rod (3) between the electromagnet mechanism, and pass through combined floodgate semi-axis mechanism drives bearing rod (3) remove, and allow combined floodgate mechanism combined floodgate back the output shaft of electromagnet mechanism's electro-magnet can promote, so that combined floodgate mechanism can not reclose again after closing a floodgate.

2. The portable reclosing lock prevention device for a circuit breaker according to claim 1, characterized in that: buckle plate assembly devices has buckle plate round pin (41), buckle plate seat (42), spacing even board (43), even board (44) and first connecting lever (45), buckle plate round pin (41) one end is fixed in the intermediate lamella of frame (1), and allow buckle plate seat (42) along its axis rotation, buckle plate seat (42) with the frictional force that produces through the cooperation between the energy storage transmission structure realize self rotation, with the frictional force drive that produces through the cooperation between the output shaft mechanism the switching-on semi-axis mechanism rotates, spacing even board (43) one end rotate connect in buckle plate seat (42), the other end rotate connect in link board (44), link board (44) with first connecting lever (45) rotate to be connected, first connecting lever (45) peg graft in switching-on semi-axis mechanism.

3. The portable reclosing lock prevention device for a circuit breaker according to claim 2, characterized in that: closing half shaft mechanism has ball bearing (51), pivot (52) and second crank arm (53), ball bearing (51) install in the intermediate lamella of frame (1), pivot (52) rotate connect in ball bearing (51), and one end passes the intermediate lamella of frame (1) to the back plate of frame (1) extends, second crank arm (53) connect in pivot (52) are close to the position department of the back plate of frame (1), second crank arm (53) still with bearing bar (3) are connected.

4. The portable reclosing lock prevention device for a circuit breaker according to claim 3, characterized in that: the output shaft mechanism has integral key shaft (61), third turning arm (62) and fourth turning arm (63), integral key shaft (61) rotate connect in the intermediate lamella of frame (1), and supply first turning arm (45) are pegged graft, third turning arm (62) fourth turning arm (63) all rotate connect in integral key shaft (61), and allow third turning arm (62) are followed the rotation of integral key shaft (61) drives prevent coincidence lever (2) swing, fourth turning arm (63) are used for the drive the separating brake mechanism.

5. The portable reclosing lock prevention device for a circuit breaker according to claim 4, characterized in that: the electromagnet mechanism is provided with an electromagnet mounting plate (71), a split-joint rotating shaft (72) and a push plate (73), the electromagnet mounting plate (71) is respectively connected with the middle plate and the front plate of the frame (1), and a power supply magnet is arranged on one side of the electromagnet and arranged along the height direction of the electromagnet, the split-combination rotating shaft (72) is inserted into the electromagnet mounting plate (71) and moves along the height direction of the electromagnet mounting plate, a gap (72-a) is arranged at the middle section of the opening and closing rotating shaft (72) and is used as a swing moving space of the anti-overlapping lever (2), the push plate (73) is rotationally connected with the opening and closing rotating shaft (72), and one end of the bearing rod (3) is allowed to be connected with the output shaft of the electromagnet, and the other end of the bearing rod is allowed to be connected with the output shaft of the electromagnet in a rotating way, and the output shaft of the electromagnet can be pushed to move when the bearing rod (3) is driven to rotate along the opening and closing rotating shaft (72).

6. The portable reclosing lock prevention device for a circuit breaker according to claim 5, characterized in that: the push plate (73) is provided with an upper portion (73-a), a lower portion (73-b) and a connecting portion (73-c) for connecting the upper portion and the lower portion, the upper portion (73-a) is in an L-shaped configuration, the connecting portion of the transverse portion and the vertical portion of the upper portion is rotatably connected to the dividing and combining rotating shaft (72), the lower portion (73-b) is in a T-shaped configuration, the transverse portion of the T-shaped portion is annular and rotatably connected to the dividing and combining rotating shaft (72), and the connecting portion (73-c) is rotatably connected to an output shaft of the electromagnet.

7. The portable reclosure prevention device for a circuit breaker of claim 6, wherein: the bearing rod (3) is provided with a rod part (31) and two bearing parts (32), a fish eye ball (32-a) is connected in the bearing parts (32) in a rotating mode, and the fish eye ball (32-a) is allowed to be fixedly connected with the second crank arm (53) or the upper part (73-a).

8. The portable reclosure prevention device for a circuit breaker of claim 7, wherein: the anti-overlapping lever (2) is in an L-shaped configuration with an included angle larger than 90 degrees, and the joint of the transverse part and the vertical part is annular and rotates on the middle plate of the rack (1) through the upright post (8).

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