CN213184174U - Electric operating mechanism of reclosing circuit breaker - Google Patents

Abstract

The utility model provides an electric operating mechanism of reclosing circuit breaker, it includes the slider and is used for spacing slider's guiding mechanism, the one end of slider is equipped with the handle groove of cover on brake valve lever, the other end of slider is equipped with the spout of cover on crank mechanism, the slider is spacing at the direction parallel with brake valve lever moving direction on rectilinear movement by guiding mechanism, crank mechanism can promote the cell wall of spout when the spout internal rotation, make the slider drive brake valve lever along the guiding mechanism direction and remove, do not need connecting rod or gear drive brake valve lever divide-shut brake, not only can avoid the dead point to lead to the problem of jamming, and it is few still to have the part, moreover, the steam generator is simple in structure, small and characteristics with low.

Description

Electric operating mechanism of reclosing circuit breaker

Technical Field

The invention relates to the field of low-voltage electric appliances, in particular to an electric operating mechanism of a reclosing circuit breaker.

Background

The reclosing circuit breaker is widely used in a power transmission and distribution circuit and plays a role in controlling and protecting the circuit, the reclosing circuit breaker has two modes of electric operation and manual operation, the electric operation can replace the manual operation, an operator is not required to arrive at a site, and the reclosing circuit breaker can be switched on and off under the control of a remote signal.

Although the existing reclosing circuit breaker is in an electric operation mode, the motor can drive the control handle to switch on and off through a plurality of connecting rods or a gear and a rack, the existing reclosing circuit breaker still has the following defects:

1. when the motor drives the brake-closing of the control handle through a plurality of connecting rods, the size and the direction of force are constantly changed when the connecting rods rotate, the position of a dead point is easy to appear, clamping stagnation is avoided to appear at the dead point, a motor with larger power needs to be selected for use, the cost is higher, and the problem of large size is solved.

2. When the motor drives the control handle to switch on and off through the gear and the rack, the motor not only occupies a large space, but also has a complex structure, a plurality of parts, a complex process and higher cost.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides the electric operating mechanism of the reclosing circuit breaker, which has a simple structure and high reliability.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an electric operating mechanism of reclosing circuit breaker, its includes slider and is used for spacing slider's guiding mechanism, and the one end of slider is equipped with the handle groove of cover on brake valve lever, and the other end of slider is equipped with the spout of cover on crank mechanism, and the slider is spacing by guiding mechanism at the direction parallel with brake valve lever moving direction on rectilinear movement, and crank mechanism can promote the cell wall of spout when the spout internal rotation, makes the slider drive brake valve lever along the guiding mechanism direction and removes.

Preferably, the crank mechanism comprises a rotary table and an eccentric shaft arranged at an eccentric position on the rotary table, the rotary table is respectively connected with the motor and the manual operating rod through two clutch mechanisms, the motor can drive the rotary table to rotate through the clutch mechanisms, and the manual operating rod drives the rotary table to rotate and is separated from the clutch mechanisms.

Preferably, the sliding chute comprises a closing chute frame and an opening chute frame, the closing chute frame and the opening chute frame are correspondingly communicated at the rotation center position of the rotating disc, so that the sliding chute is in a structure which is inclined to the moving direction of the sliding block and is in a shape like the Chinese character 'ji', the crank mechanism comprises the rotating disc and an eccentric shaft arranged at the eccentric position on the rotating disc, the eccentric shaft drives the sliding block to move to drive the control handle to close when pushing the closing chute frame, and the eccentric shaft drives the sliding block to move to drive the control handle to open when pushing the opening chute frame.

Preferably, the switching-on slot frame comprises a switching-on pushing wall, a switching-on abdicating wall and a switching-on connecting wall connected between one ends of the switching-on pushing wall and the switching-on abdicating wall, the switching-off slot frame comprises a switching-off pushing wall, a switching-off abdicating wall and a switching-off connecting wall connected between one ends of the switching-off pushing wall and the switching-off abdicating wall, the other ends of the switching-off pushing wall and the switching-off abdicating wall connected with the switching-off connecting wall are arranged at intervals and are respectively connected with the other ends of the switching-on abdicating wall and the switching-on pushing wall for connecting with the switching-; the eccentric shaft drives the control handle to switch on when pushing the switch-on pushing wall, and drives the control handle to switch off when pushing the switch-off pushing wall.

Preferably, the closing pushing wall, the closing abdicating wall, the opening pushing wall and the opening abdicating wall are respectively in a plane structure, the closing pushing wall and the opening pushing wall are arranged perpendicular to the moving direction of the slider, the closing abdicating wall and the opening abdicating wall are arranged parallel to the moving direction of the slider, and the closing connecting wall and the opening connecting wall are respectively in an arc surface structure; the junction of combined floodgate promotion wall and the separating brake wall of stepping down to and combined floodgate wall of stepping down and the junction of separating brake promotion wall are equipped with fillet structure respectively, and after control handle combined floodgate, the eccentric shaft left combined floodgate promotion wall to slide to separating brake wall of stepping down one side along corresponding fillet structure, after control handle separated floodgate, the eccentric shaft left separating brake promotion wall to slide to combined floodgate wall of stepping down one side along corresponding fillet structure.

Preferably, the closing chute frame comprises a closing pushing wall and a closing transition wall which are connected at one end, the opening chute frame comprises an opening pushing wall and an opening transition wall which are connected at one end, and the other ends of the closing pushing wall and the closing transition wall are arranged at intervals and are respectively connected with the other ends of the opening transition wall and the opening transition wall which are connected with each other; the eccentric shaft drives the control handle to switch on when pushing the switch-on pushing wall, the eccentric shaft drives the control handle to switch off when pushing the switch-off pushing wall, one end of the switch-on transition wall connected with the switch-off pushing wall and one end of the switch-off transition wall connected with the switch-on pushing wall are respectively protruded outwards to form a cambered surface structure for avoiding the eccentric shaft, and slider protrusions of a triangular structure are respectively formed between the switch-on transition wall and the switch-off pushing wall and between the switch-off transition wall and the switch-on pushing wall.

Preferably, the guide mechanism comprises a guide support in a U-shaped structure and two guide posts connected between the side walls of the two opposite sides of the guide support respectively, the guide posts are arranged in parallel with the moving direction of the control handle, a guide plate perpendicular to the guide posts is arranged on the side face of the sliding block, and guide holes in sliding fit with the guide posts in a sleeved mode are formed in the guide plate.

Preferably, the handle-operated crank mechanism further comprises a limiting cover plate of a U-shaped structure, the limiting cover plate is reversely buckled on the top side of the crank mechanism, the side walls of two opposite sides of the limiting cover plate are respectively connected with the guide support, a hand-operated rod is arranged on the top side of the crank mechanism, and a limiting hole matched with the hand-operated rod is formed in the middle of the limiting cover plate.

Preferably, the side edges of two opposite sides of the side wall of the sliding block and the side wall of the limiting cover plate are respectively protruded along the moving direction to form a limiting boss of an arc-shaped surface structure, and the two limiting bosses are respectively in limiting fit with the inner sides of the side walls of two opposite sides of the limiting cover plate.

Preferably, the handle groove is in clearance fit with the control handle, and the handle groove respectively extends towards the side to form the contact plate with the cambered surface structure corresponding to the two opposite side walls in the moving direction of the control handle.

Preferably, one end of the eccentric shaft is connected with the rotary table, the other end of the eccentric shaft is provided with a rotatable shaft sleeve, and the outer circumference of the shaft sleeve is in rolling fit with the groove wall of the sliding groove.

Preferably, the two clutch mechanisms respectively comprise a driving part and a driven part, the driving parts of the two clutch mechanisms are respectively connected with the motor and the manual operating rod, and the driven parts of the two clutch mechanisms are respectively connected with the crank mechanism; when the motor and the manual operating rod rotate towards one side, the connected driving piece can be driven to push the corresponding driven piece to horizontally rotate, so that the driven piece drives the crank mechanism to switch on and off the brake control handle, and meanwhile, the crank mechanism drives the driven piece and the driving piece which correspond to the other one to be separated.

Preferably, including the casing and a plurality of major loop unit that sets up in the casing side by side, be equipped with a plurality of cavities with major loop unit one-to-one in the casing, the motor sets up in the cavity of the major loop unit who inserts the zero line, and the one end setting of brake valve lever is in the cavity of the major loop unit who inserts the live wire.

According to the reclosing circuit breaker, the sliding groove of the sliding block is sleeved on the crank mechanism, so that the crank mechanism pushes the groove wall of the sliding groove to drive the sliding block to move, a connecting rod or a gear is not needed to drive the control handle to be switched on and off, the problem of clamping stagnation caused by dead points can be solved, and the reclosing circuit breaker has the advantages of being few in parts, simple in structure, small in size and low in cost.

Drawings

Fig. 1 is a schematic structural diagram of an electric operating mechanism of a reclosing circuit breaker according to an embodiment of the invention;

fig. 2 is a side view of an electric operating mechanism of a reclosing circuit breaker according to an embodiment of the present invention;

FIG. 3 is a first embodiment of a slider according to an inventive embodiment of the present invention;

FIG. 4 is a second embodiment of a slider according to an embodiment of the present invention;

FIG. 5 is a schematic view of the eccentric shaft according to the embodiment of the present invention;

FIG. 6 is a schematic view of the crank mechanism and the slider according to the present invention;

fig. 7 is a schematic structural diagram of a clutch mechanism according to an embodiment of the invention.

Detailed Description

As shown in fig. 1 to 3, the electric operating mechanism of the reclosing circuit breaker includes a slider 400 and a guide mechanism for limiting the slider 400, one end of the slider 400 is provided with a handle slot 410 sleeved on the control handle 200, the other end of the slider 400 is provided with a sliding slot 420 sleeved on the crank mechanism 300, the slider 400 is limited by the guide mechanism to move in a direction parallel to the moving direction of the control handle 200, the crank mechanism 300 can push the slot wall of the sliding slot 420 when rotating in the sliding slot 420, so that the slider 400 linearly moves along the direction of the guide mechanism, the handle slot 410 on the slider 400 drives the control handle 200 to move, and the control handle 200 can perform closing, opening and reclosing operations when moving.

According to the reclosing circuit breaker, the sliding groove 420 of the sliding block 400 is sleeved on the crank mechanism 300, so that the crank mechanism 300 pushes the groove wall of the sliding groove 420 to drive the sliding block 400 to move, a connecting rod or a gear is not needed to drive the control handle 200 to be switched on and off, the problem of clamping stagnation caused by dead points can be avoided, and the reclosing circuit breaker has the advantages of being few in parts, simple in structure, small in size and low in cost.

The following describes a specific embodiment of the electric operating mechanism of the reclosing circuit breaker according to the present invention with reference to the embodiments shown in fig. 1 to 7. The electric operating mechanism of the reclosing circuit breaker created by the present invention is not limited to the description of the following embodiments.

As shown in fig. 1-2, the reclosing circuit breaker includes a housing and a plurality of main circuit units arranged in parallel in the housing, wherein the housing is provided with a plurality of cavities corresponding to the main circuit units one by one, the four main circuit units are an a-phase main circuit unit, a B-phase main circuit unit, a C-phase main circuit unit and an N-phase main circuit unit which are arranged in sequence, the a-phase main circuit unit, the B-phase main circuit unit and the C-phase main circuit unit are respectively connected to a live wire, the N-phase main circuit unit is connected to a zero wire, and the motor 140 is arranged in the cavity corresponding to the N-phase main circuit unit. Through setting up motor 140 in the cavity that N looks major loop unit corresponds, not only can effectively utilize the space in reclosing circuit breaker casing, reduce holistic volume, can avoid motor 140 to set up in zero sequence current transformer's top moreover, reduce holistic height. Of course, the motor 140 may be disposed in the cavities corresponding to the C-phase main circuit unit and the N-phase main circuit unit, which all belong to the protection scope of the present invention.

The length direction of the sliding block 400 is perpendicular to the moving direction of the control handle 200, one end of the sliding block 400 is provided with a handle groove 410 which is sleeved on the control handle 200 and is in clearance fit, the other end of the sliding block 400 is provided with a sliding groove 420 corresponding to the motor 140, and the crank mechanism 300 is arranged in the sliding groove 420 and is respectively connected with the motor 140 and the hand operating rod 150. Preferably, the motor 140 is an ac speed reduction motor, which not only can effectively reduce product noise, but also has low cost.

As shown in fig. 1-2, the guide mechanism includes a guide bracket 521 having a U-shaped structure, and two guide posts 522 respectively connected between two opposite side walls of the guide bracket 521, the guide posts 522 are arranged parallel to the moving direction of the control handle 200, a guide plate 523 is arranged on a side surface of the slider 400 perpendicular to the guide posts 522, and a guide hole 524 is arranged on the guide plate 523 and slidably fitted over the guide posts 522.

Specifically, the control handle 200 and the motor 140 respectively penetrate through the middle of the guide bracket 521, the crank mechanism 300 is located inside the guide bracket 521, the two guide posts 522 are respectively arranged on one side of the control handle 200, which is far away from the motor 140, the side surface of the slider 400 is respectively provided with two opposite guide plates 523 corresponding to each guide post, and the two guide plates 523 are respectively provided with a guide hole 524 which is sleeved on the same guide post 522 and is in sliding fit with the same guide post.

Further, the crank mechanism further comprises a limiting cover plate 525 which is in a U-shaped structure, the limiting cover plate 525 is buckled on the top side of the crank mechanism 300 in an inverted mode, the side walls of two opposite sides of the limiting cover plate 525 are connected with the guide bracket 521 respectively, a manual operating rod 150 is arranged on the top side of the crank mechanism 300, a limiting hole matched with the manual operating rod 150 is formed in the middle of the limiting cover plate 525, and the manual operating rod 150 penetrates through the limiting hole to extend to the top side of the limiting cover plate 525.

After the guide hole 524 on the slider 400 is sleeved on the guide post 522, the slider 400 can be limited on the inner side of the guide bracket 521, so that the slider 400 and the guide mechanism can be assembled into a whole and then installed on the shell of the reclosing circuit breaker, and then the reclosing mechanism can be assembled by covering the limiting cover plate 525, thereby effectively improving the assembly efficiency and reducing the labor cost.

Further, the side edges of the two opposite sides of the side walls of the slider 400 and the limiting cover plate 525 are respectively protruded along the moving direction to form a limiting boss 526 of an arc-shaped structure, and the two limiting bosses 526 are respectively in limiting fit with the inner sides of the side walls of the two opposite sides of the limiting cover plate 525 and used for limiting the limit position of the slider 400 in moving.

Further, the handle slots 410 respectively extend to the side corresponding to the two opposite side walls in the moving direction of the control handle 200 to form the contact plates 411 with arc structures, and the contact plates 411 with arc structures can reduce the friction force between the control handle 200 and the contact plates 411.

Referring to fig. 3-4, the crank mechanism 300 includes a rotary plate 310 and an eccentric shaft 320 disposed at an eccentric position on the rotary plate 310, the rotary plate 310 is connected to the motor 140 and the hand lever 150 through two clutch mechanisms, the motor 140 can drive the rotary plate 310 to rotate through the clutch mechanisms, the hand lever 150 is separated from the clutch mechanisms when driving the rotary plate 310 to rotate, the clutch mechanisms enable the motor 140 and the hand lever 150 to only drive the rotary plate 310 to rotate clockwise in one direction, the corresponding clutch mechanisms idle when the motor 140 and the hand lever 150 rotate counterclockwise toward the other side, and the rotary plate 310 does not rotate. The rotary plate 310 and the eccentric shaft 320 are riveted together, or fixed by screws, welding, or the like.

The sliding slot 420 includes two slot frames connected to each other, and the rotating disc 310 can drive the eccentric shaft 320 to move between the two slot frames, and respectively push the sidewalls of the two slot frames through the eccentric shaft 320, so that the slider 400 drives the control handle 200 to open and close. In other words, the driving protrusions are formed at both sides of the communication position of the two frames, and the eccentric shafts 320 push the two driving protrusions, respectively, so that the slider 400 drives the control handle 200 to open and close.

Specifically, the two slot frames are a closing slot frame 421 and an opening slot frame 422, the closing slot frame 421 and the opening slot frame 422 are communicated with each other at a position corresponding to a rotation center of the turntable 310, so that the chute 420 is in an 8-shaped structure arranged in a direction inclined to a moving direction of the slider 400, the eccentric shaft 320 and the closing slot frame 421 cooperate to drive the slider 400 to move to drive the control handle 200 to close, and the eccentric shaft 320 and the opening slot frame 422 cooperate to drive the slider 400 to move to drive the control handle 200 to open.

The projection of the rotation center of the rotary table 310 along the moving direction of the slider 400 is located in the overlapping area of the projections of the closing slot frame 421 and the opening slot frame 422 along the moving direction of the slider 400, and in the process that the rotary table 310 pushes the slider 400 to move through the eccentric shaft 320, the hand operating rod 150 installed on the rotation center of the rotary table 310 can enter the closing slot frame 421 and the opening slot frame 422, namely, the hand operating rod 150 on the rotation center of the rotary table 310 is avoided through the closing slot frame 421 and the opening slot frame 422.

Fig. 3 and 4 show two embodiments of the slider 400, which operate on the same principle and differ only in the shape of the runner 420.

Referring to fig. 3, which illustrates a first embodiment of the chute 420, the closing chute frame 421 includes a closing pushing wall 4211 and a closing abdicating wall 4212, and a closing connecting wall 4213 connected between one end of the closing pushing wall 4211 and one end of the closing abdicating wall 4212, and the other end of the closing pushing wall 4211 and the other end of the closing abdicating wall 4212 connected to the closing connecting wall 4213 are disposed at an interval;

the opening groove frame 422 comprises an opening pushing wall 4221, an opening abdicating wall 4222 and an opening connecting wall 4223 connected between one ends of the opening pushing wall 4221 and the opening abdicating wall 4222, wherein the opening pushing wall 4221 and the other end of the opening abdicating wall 4222 connected with the opening connecting wall 4223 are arranged at intervals and are respectively connected with the closing abdicating wall 4212 and the closing pushing wall 4211 for connecting the other end of the closing connecting wall 4213.

Preferably, the closing pushing wall 4211, the closing abdicating wall 4212, the opening pushing wall 4221 and the opening abdicating wall 4222 respectively form a plane structure, the closing pushing wall 4211 and the opening pushing wall 4221 are arranged perpendicular to the moving direction of the slider 400, the closing abdicating wall 4212 and the opening abdicating wall 4222 are arranged parallel to the moving direction of the slider 400, and the closing connecting wall 4213 and the opening connecting wall 4223 respectively form an arc structure.

Preferably, the rounded corner structures 431 are respectively disposed at the connection position of the closing pushing wall 4211 and the opening abdicating wall 4222 and the connection position of the closing abdicating wall 4212 and the opening abdicating wall 4221, after the control handle 200 is closed, the eccentric shaft 320 leaves the closing pushing wall 4211 and slides to one side of the opening abdicating wall 4222 along the corresponding rounded corner structures 431, and after the control handle 200 is opened, the eccentric shaft 320 leaves the opening pushing wall 4221 and slides to one side of the closing abdicating wall 4212 along the corresponding rounded corner structures 431.

Referring to fig. 4, a second embodiment of the chute 420 is shown, and this embodiment includes a closing transition wall 4214 formed by integrating a closing abdicating wall 4212 and a closing connecting wall 4213 of the first embodiment, and a switching-off transition wall 4224 formed by integrating a switching-off abdicating wall 4222 and a switching-off connecting wall 4223.

Specifically, the closing slot frame 421 includes a closing pushing wall 4211 and a closing transition wall 4214 connected at one end, the opening slot frame 422 includes an opening pushing wall 4221 and an opening transition wall 4224 connected at one end, and the other ends of the closing pushing wall 4211 and the closing transition wall 4214 are arranged at intervals and are respectively connected with the other ends of the opening transition wall 4224 and the opening pushing wall 4221;

the eccentric shaft 320 drives the control handle 200 to close when pushing the closing pushing wall 4211, the eccentric shaft 320 drives the opening pushing wall 4221 to open, one end of the closing transition wall 4214 connected with the opening pushing wall 4221 and one end of the opening transition wall 4224 connected with the closing pushing wall 4211 respectively protrude outwards to form an arc surface structure 432 for avoiding the eccentric shaft 320, and slider protrusions 433 of a triangular structure are respectively formed between the closing transition wall 4214 and the opening pushing wall 4221 and between the opening transition wall 4224 and the closing pushing wall 4211.

Referring to fig. 6, taking the first embodiment of the sliding slot 420 as an example, the specific operation process of the sliding block 400 is as follows:

in the electric operation mode, the motor 140 drives the turntable 310 to rotate clockwise, in the manual operation mode, the hand lever 150 drives the turntable 310 to rotate clockwise, and each time the turntable 310 rotates for half a circle, the eccentric shaft 320 rotates towards the groove frame on the other side, and the groove wall of the groove frame is pushed in the rotating process.

The opening process, i.e. the process of turning from the closing position to the opening position, refers to the closing position, the opening process 1-3, and the opening position shown in the figure, and the process drives the eccentric shaft 320 to turn clockwise by the turntable 310:

in the closing position, the eccentric shaft 320 abuts against the opening yielding wall 4222, and the eccentric shaft 320 does not generate driving force.

In the opening process 1, the eccentric shaft 320 idles in the opening slot frame 422 towards the opening pushing wall 4221 without generating driving force;

in the opening process 2, the eccentric shaft 320 is in contact with the opening pushing wall 4221, the eccentric shaft 320 pushes the opening pushing wall 4221 to push the sliding block 400 downwards to move, and the sliding block 400 starts to drive the control handle 200 to move towards the opening direction;

in the opening process 3, before the eccentric shaft 320 is separated from the opening pushing wall 4221, the control handle 200 is driven by the sliding block 400 to open the opening position;

in the opening position, the rotating shaft continues to rotate, so as to drive the eccentric shaft 320 to separate from the opening pushing wall 4221 and slide into the closing slot frame 421, so that the eccentric shaft 320 abuts against the closing abdicating wall 4212. It is understood that the eccentric shaft 320 may not abut against the closing abdicating wall 4212 at this time, and may be spaced apart as in the second embodiment of the sliding chute 420.

The principle of the closing process, i.e. the process of rotating the opening position to the closing position, is the same as the opening process described above, and refer to the opening position, the closing process 1-3, and the closing position shown in the figure, in the process, the rotating disc 310 drives the eccentric shaft 320 to rotate clockwise, the eccentric shaft 320 idles in the closing slot frame 421 (closing process 1) until contacting with the closing pushing wall 4211 (closing process 2), then the closing pushing wall 4211 is pushed to move upwards to push the slider 400, the slider 400 drives the control handle 200 to move in the closing direction, before the eccentric shaft 320 is separated from the closing pushing wall 4211 (closing process 3), the control handle 200 is driven by the slider 400 to close to the position, and finally the rotating shaft continues to rotate to drive the eccentric shaft 320 to be separated from the closing pushing wall 4211 and slide into the opening slot frame 422, so that the eccentric shaft 320 abuts against the opening yielding wall 4222 (closing position).

Referring to the illustrated closing position and opening position, the eccentric shaft 320 is located at the connection position between the closing slot frame 421 and the opening slot frame 422, and if the reclosing circuit breaker is tripped, the control handle 200 moves to the tripping position between the closing position and the opening position, and the control handle 200 drives the slider 400 to move, so that the slider 400 avoids the eccentric shaft 320 and the hand lever 150 installed on the rotary table 310 through the closing slot frame 421 and the opening slot frame 422.

As shown in fig. 5, one end of the eccentric shaft 320 is connected to the turntable 310, and the other end of the eccentric shaft 320 is provided with a rotatable shaft sleeve 323, and the outer circumference of the shaft sleeve 323 is in rolling fit with the groove wall of the sliding groove 420, so that the rolling fit can effectively reduce friction.

As shown in fig. 7, the crank mechanism 300 is connected to the motor 140 and the hand lever 150 through two clutch mechanisms, and the clutch mechanisms enable the motor 140 and the hand lever 150 to drive the turntable 310 to rotate clockwise in one direction only.

Specifically, the two clutch mechanisms respectively comprise a driving part 1 and a driven part 2, the driving parts 1 of the two clutch mechanisms are respectively connected with the output shaft 141 of the motor 140 and the manual operating rod 150, the driven parts 2 of the two clutch mechanisms are respectively connected with the crank mechanism 300, when the motor 140 or the manual operating rod 150 rotates towards one side, the connected driving part 1 can be driven to push the corresponding driven part 2 to horizontally rotate, the driven part 2 drives the crank mechanism 300 to open and close the brake control handle 200, and meanwhile, the crank mechanism 300 drives the driven part 2 and the driving part 1 corresponding to the other one of the motor 140 and the manual operating rod 150 to separately idle along the horizontal direction;

when the motor 140 and the hand lever 150 rotate to the other side, the driving member 1 and the corresponding driven member 2 which are connected are driven to separate for idle rotation.

Further, the two clutch mechanisms of the two embodiments of the present embodiment have substantially the same structure, and are both in a ratchet clutch mode of outside engagement, the driving part 1 is a ratchet, the driven part 2 is a pawl, the pawl is limited on a plurality of inclined ratchets around the ratchet by the spring 3, one side of the ratchet can be limited by the pawl, so that the pawl is driven to rotate when the ratchet rotates to the side, and the other side of the ratchet can push the pawl to be away from the ratchet, so that the ratchet pushes the pawl to be pushed open when the ratchet rotates to the side.

Specifically, the crank mechanism 300 includes a bottom plate 133 opposite to the turntable 310, and two mounting plates 131 arranged between the bottom plate 133 and the turntable 310, the bottom plate 133, the electric operation mounting plate 131 and the manual operation mounting plate 132 are fixedly connected through screws 135, the ratchets of the two clutch mechanisms are respectively arranged at the inner sides of the two mounting plates 131, the pawls of the two clutch mechanisms are respectively limited by the two mounting plates 131 circumferentially, when the ratchets push the corresponding pawls to rotate, the pawls drive the corresponding mounting plates 131 and the turntable 310 to rotate, and then the eccentric shafts 320 on the turntable 310 push the slider 400 to drive the control handle 200 to realize opening and closing and re-buckling.

Preferably, the manual operating lever 150 is provided with a hexagonal groove, and when manual operation is required, a wrench can be inserted into the hexagonal groove, and the manual operating lever 150 is driven to rotate by the wrench. Of course, the hand lever 150 may be integrally formed with the corresponding ratchet. It can be understood that the two clutch mechanisms may have different structures, and a ratchet clutch mode with an inner core may also be adopted, all of which belong to the protection scope of the invention.

The foregoing is a more detailed description of the invention, taken in conjunction with the accompanying preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the inventive concept, and all should be considered as falling within the protection scope of the invention.

Claims (13)

1. The utility model provides an electric operating mechanism of reclosing circuit breaker which characterized in that: including slider (400) and be used for the guiding mechanism of spacing slider (400), the one end of slider (400) is equipped with handle groove (410) of cover on brake valve lever (200), the other end of slider (400) is equipped with spout (420) of cover on crank mechanism (300), slider (400) are spacing by guiding mechanism in the direction parallel with brake valve lever (200) moving direction on rectilinear movement, crank mechanism (300) can promote the cell wall of spout (420) when spout (420) internal rotation, make slider (400) drive brake valve lever (200) along the guiding mechanism direction and remove.

2. The electric operating mechanism of a reclosing circuit breaker according to claim 1, characterized in that: the crank mechanism (300) comprises a rotary table (310) and an eccentric shaft (320) arranged at an eccentric position on the rotary table (310), the rotary table (310) is respectively connected with the motor (140) and the hand operating rod (150) through two clutch mechanisms, the motor (140) and the hand operating rod (150) can respectively drive the rotary table (310) to rotate through the respective corresponding clutch mechanisms, and meanwhile the other corresponding clutch mechanism is separated from the rotary table (310).

3. The electric operating mechanism of a reclosing circuit breaker according to claim 1, characterized in that: the sliding chute (420) comprises a closing chute frame (421) and an opening chute frame (422), the closing chute frame (421) and the opening chute frame (422) are communicated at the rotating center of the rotating disc (310) correspondingly, the sliding chute (420) is made to be an 8-shaped structure which is arranged in a mode of inclining to the moving direction of the sliding block (400), the crank mechanism (300) comprises the rotating disc (310) and an eccentric shaft (320) which is arranged at the eccentric position on the rotating disc (310), the sliding block (400) is driven to move to drive the control handle (200) to close when the eccentric shaft (320) pushes the closing chute frame (421), and the sliding block (400) is driven to move to drive the control handle (200) to open and close when the eccentric shaft (320) pushes the opening chute frame (422).

4. The electric operating mechanism of a reclosing circuit breaker of claim 3, characterized in that: the switching-on slot frame (421) comprises a switching-on pushing wall (4211), a switching-on abdicating wall (4212), and a switching-on connecting wall (4213) connected between one ends of the switching-on pushing wall (4211) and the switching-on abdicating wall (4212), the switching-off slot frame (422) comprises a switching-off pushing wall (4221), a switching-off abdicating wall (4222), and a switching-off connecting wall (4223) connected between one ends of the switching-off pushing wall (4221) and the switching-off abdicating wall (4222), wherein the switching-off pushing wall (4221) and the switching-off abdicating wall (4222) are arranged at intervals at the other end connected with the switching-off connecting wall (4223) and are respectively connected with the other end of the switching-on abdicating wall (4212) and the switching-on pushing wall (4211) for connecting with the switching-on connecting; when the eccentric shaft (320) pushes the closing pushing wall (4211), the control handle (200) is driven to close, and when the eccentric shaft (320) pushes the opening pushing wall (4221), the control handle (200) is driven to open.

5. The electric operating mechanism of a reclosing circuit breaker of claim 4, characterized in that: the switching-on pushing wall (4211), the switching-on abdicating wall (4212), the switching-off pushing wall (4221) and the switching-off abdicating wall (4222) are respectively of a plane structure, the switching-on pushing wall (4211) and the switching-off pushing wall (4221) are arranged perpendicular to the moving direction of the slider (400), the switching-on abdicating wall (4212) and the switching-off abdicating wall (4222) are arranged parallel to the moving direction of the slider (400), and the switching-on connecting wall (4213) and the switching-off connecting wall (4223) are respectively of an arc surface structure; the junction of closing pushing wall (4211) and separating brake abdicating wall (4222) and the junction of closing abdicating wall (4212) and separating brake pushing wall (4221) are respectively equipped with fillet structure (431), after control handle (200) is closed, eccentric shaft (320) leaves closing pushing wall (4211) and slides to separating brake abdicating wall (4222) one side along corresponding fillet structure (431), after control handle (200) is opened, eccentric shaft (320) leaves separating brake pushing wall (4221) and slides to closing abdicating wall (4212) one side along corresponding fillet structure (431).

6. The electric operating mechanism of a reclosing circuit breaker of claim 3, characterized in that: the switching-on slot frame (421) comprises a switching-on pushing wall (4211) and a switching-on transition wall (4214) which are connected at one end, the switching-off slot frame (422) comprises a switching-off pushing wall (4221) and a switching-off transition wall (4224) which are connected at one end, and the other ends of the switching-on pushing wall (4211) and the switching-on transition wall (4214) are arranged at intervals and are respectively connected with the other ends of the switching-off transition wall (4224) and the switching-off pushing wall (4221) which are mutually connected; the eccentric shaft (320) drives the control handle (200) to close when pushing the closing pushing wall (4211), the eccentric shaft (320) drives the opening pushing wall (4221) to open, one end of the closing transition wall (4214) connected with the opening pushing wall (4221) and one end of the opening transition wall (4224) connected with the closing pushing wall (4211) are respectively bulged outwards to form an arc-shaped structure (432) for avoiding the eccentric shaft (320), and sliding block bulges (433) of a triangular structure are respectively formed between the closing transition wall (4214) and the opening pushing wall (4221) and between the opening transition wall (4224) and the closing pushing wall (4211).

7. The electric operating mechanism of a reclosing circuit breaker according to claim 1, characterized in that: the guide mechanism comprises a guide support (521) in a U-shaped structure and two guide columns (522) which are respectively connected between two opposite side walls of the guide support (521), the guide columns (522) are arranged in parallel with the moving direction of the control handle (200), a guide plate (523) perpendicular to the guide columns (522) is arranged on the side surface of the sliding block (400), and a guide hole (524) which is sleeved on the guide columns (522) and is in sliding fit is arranged on the guide plate (523).

8. The electric operating mechanism of a reclosing circuit breaker of claim 7, characterized in that: the crank mechanism is characterized by further comprising a limiting cover plate (525) of a U-shaped structure, the limiting cover plate (525) is buckled on the top side of the crank mechanism (300) in a reverse mode, the side walls of two opposite sides of the limiting cover plate (525) are connected with the guide support (521) respectively, a manual operating rod (150) is arranged on the top side of the crank mechanism (300), and a limiting hole matched with the manual operating rod (150) is formed in the middle of the limiting cover plate (525).

9. The electric operating mechanism of a reclosing circuit breaker of claim 8, characterized in that: the side edges of two opposite sides of the side walls of the sliding block (400) and the limiting cover plate (525) are respectively protruded along the moving direction to form a limiting boss (526) of an arc-shaped surface structure, and the two limiting bosses (526) are respectively in limiting fit with the inner sides of the side walls of two opposite sides of the limiting cover plate (525).

10. The electric operating mechanism of a reclosing circuit breaker according to claim 1, characterized in that: the handle groove (410) is in clearance fit with the control handle (200), and the handle groove (410) respectively extends towards the side to form a contact plate (411) with an arc-shaped structure corresponding to the two opposite side walls in the moving direction of the control handle (200).

11. The electric operating mechanism of a reclosing circuit breaker according to claim 2, characterized in that: one end of the eccentric shaft (320) is connected with the rotating disc (310), the other end of the eccentric shaft (320) is provided with a rotatable shaft sleeve (323), and the outer circumference of the shaft sleeve (323) is in rolling fit with the groove wall of the sliding groove (420).

12. The electric operating mechanism of a reclosing circuit breaker according to claim 2, characterized in that: the two clutch mechanisms respectively comprise a driving part (1) and a driven part (2), the driving parts (1) of the two clutch mechanisms are respectively connected with the motor (140) and the manual operating rod (150), and the driven parts (2) of the two clutch mechanisms are respectively connected with the crank mechanism (300); when the motor (140) and the manual operating rod (150) rotate towards one side, the connected driving part (1) can be driven to push the corresponding driven part (2) to horizontally rotate, so that the driven part (2) drives the crank mechanism (300) to switch on and off the brake control handle (200), and meanwhile, the crank mechanism (300) drives the driven part (2) and the driving part (1) which correspond to each other to be separated.

13. The electric operating mechanism of a reclosing circuit breaker according to claim 2, characterized in that: the electric power generating device comprises a shell and a plurality of main loop units arranged in the shell side by side, wherein a plurality of cavities in one-to-one correspondence with the main loop units are arranged in the shell, a motor (140) is arranged in the cavity of the main loop unit connected into a zero line, and one end of a control handle (200) is arranged in the cavity of the main loop unit connected into a live line.

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