CN213879043U - High-voltage switch cabinet operating mechanism - Google Patents

Abstract

The utility model relates to a high tension switchgear operating mechanism, including mounting bracket, a manual operation end and control end, the control end is through the link gear control the open, the closed state of manual operation end, the mounting bracket on be equipped with actuating mechanism and the electronic operating mechanism who is connected with actuating mechanism, electronic operating mechanism includes driving motor, driving motor is connected with actuating mechanism through power transmission mechanism, manual operation end is connected with actuating mechanism through gear drive, power transmission mechanism is including power output shaft, worm wheel and clutch, power output shaft is connected with the actuating mechanism transmission, the worm wheel cover is located on power output shaft, the worm wheel rotates through the driving motor drive, is connected through the clutch between worm wheel and the power output shaft. The electric operation power output is controlled by the clutch, and the clutch has the advantages of reasonable and compact structure, safety and reliability.

Description

High-voltage switch cabinet operating mechanism

Technical Field

The utility model relates to an electrical equipment technical field, what exactly says is an operating mechanism for high tension switchgear.

Background

The mechanical interlocking mechanism of various traditional high-voltage switch cabinets is various, and the defects of complex mechanical structure, insufficient operation safety and the like exist. In order to solve the technical problems, the applicant adopts an improved design, for example, a high-voltage switch cabinet operating mechanism of Chinese patent No. CN201110090537.8, adopts a single manual operating end design, and has the advantages of compact structure and safe and reliable operation; but the operation of the whole operating mechanism is operated only by manual operation, which is not beneficial to automatic operation. Although the literature mentions the possibility of electric operation, the combination of electric operation and manual operation cannot be well achieved based on the existing transmission structure due to the limited assembly space of this type of operating mechanism.

Disclosure of Invention

The utility model discloses the invention purpose: for overcoming the defect that prior art exists, the utility model provides a compact structure, electric behaviour power take off has safe and reliable's advantage through clutch control's high tension switchgear operating mechanism.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a high tension switchgear operating mechanism, includes mounting bracket, a manual operation end and control end, the control end is through the link gear control the opening of manual operation end, the state of closing, the mounting bracket on be equipped with actuating mechanism and the electronic operating mechanism who is connected with actuating mechanism, electronic operating mechanism includes driving motor, driving motor is connected with actuating mechanism through power transmission mechanism, the manual operation end is connected its characterized in that through gear drive mechanism and actuating mechanism: the power transmission mechanism comprises a power output shaft, a worm wheel and a clutch, the power output shaft is in transmission connection with the driving mechanism, the worm wheel is sleeved on the power output shaft and is driven to rotate by the driving motor, and the worm wheel is connected with the power output shaft by the clutch.

Through adopting above-mentioned technical scheme, driving motor rotates through worm wheel, clutch drive power output shaft to carry out electric control to actuating mechanism, the clutch can realize that the power between driving motor and the actuating mechanism combines and the disconnection control, thereby makes things convenient for the manual and the electrical operation of high tension switchgear to switch, has safe and reliable's advantage.

Preferably, the clutch comprises a clutch disc and a driving disc which are in clutch fit, the clutch disc is axially in sliding fit on the power output shaft, the driving disc is fixed on the worm wheel, the clutch disc is in linkage connection with the power output shaft in the rotating direction, the clutch disc is matched with a clutch operating mechanism, the clutch operating mechanism comprises a push-pull rod in sliding fit on the mounting frame, the sliding direction of the push-pull rod is perpendicular to the power output shaft, and a reversing transmission assembly which drives the clutch disc to slide through the sliding of the push-pull rod is arranged between the push-pull rod and the clutch disc. Under this structural design, the push-and-pull operation push-and-pull rod comes control clutch disc to slide, and the operation is more laborsaving, and compact structure.

Preferably, the reversing transmission assembly comprises a jacking spring, a reversing jacking plate and a driven plate, the driven plate is in sliding fit with the mounting frame along the sliding direction of the clutch disc, the jacking spring abuts against the clutch disc and provides a spring driving force for driving the clutch disc to tend to slide to a position in power connection with the driving disc, the reversing jacking plate is fixedly connected to the push-pull rod and slides along with the push-pull rod, a jacking bump protruding along the sliding direction of the clutch disc is arranged on the reversing jacking plate, a driving inclined plane extending obliquely along the sliding direction of the reversing jacking plate is arranged on the jacking bump, the driving inclined plane guides the driven plate to slide, the driven plate is correspondingly matched with the driving inclined plane under the spring driving force of the jacking spring, the driven plate is supported on the jacking bump to realize that the driven plate jacks the clutch disc to be kept at a position separated from the driving disc, the clutch disc can rotate relative to the driven plate, and the driven plate is in jacking fit with the clutch disc, the driven plate is provided with a lug abdicating through hole for the pushing lug to enter. Under the structural design, the push-pull rod pushes the reversing push-pull plate to slide, the pushing lug slides out of the lug yielding through hole, the driving inclined plane on the pushing lug pushes the driven plate to force the driven plate to slide, and the pushing clutch disc axially slides until the driving disc is disengaged; the push-pull rod pushes the reversing push-pull plate to slide until the push bump enters the bump abdication through hole, the driven plate moves under the guidance of the driving inclined plane and the driving of the push spring, and the clutch disc moves to the joint position of the clutch disc and the driving disc; the linkage of the reversing pushing plate and the driven plate is realized through the matching of the pushing lug and the lug abdicating through hole, the thickness space of the driven plate is fully utilized, and the structure is compact; the jacking spring realizes linkage among the clutch disc, the reversing jacking plate and the slave plate, and ensures that the clutch disc is stably and reliably positioned at a joint position with the driving disc.

Preferably, the driven plate is provided with a shaft hole for the clutch disc to pass through, the driven plate is supported on the clutch disc through the shaft hole, the other end of the driven plate, opposite to the end connected with the push-pull rod, is provided with a positioning guide finger, the mounting frame is fixed with a positioning plate, the positioning plate is provided with a guide groove extending along the sliding direction of the driven plate, and the positioning guide finger of the driven plate is guided and matched in the guide groove. Under this structural design, the driven plate supports through the clutch disc, and the driven plate is through location direction finger and guide way cooperation, has the advantage that the driven plate location activity is reliable and compact structure.

Preferably, the pushing lug is matched with the lug yielding through hole in a guiding manner. Under the structural design, the bump abdicating through hole not only avoids the pushing bump, but also places the pushing bump into the bump abdicating through hole to form positioning and guiding, and the matching is reliable.

Preferably, the reversing top pushing plate is fork-shaped, the reversing top pushing plate comprises a base plate fixedly connected with the push-pull rod, an upper fork arm and a lower fork arm extending along the sliding direction of the reversing top pushing plate are arranged on the base plate, a fork opening is formed between the upper fork arm and the lower fork arm and used for avoiding the clutch disc, pushing convex blocks are arranged on the upper fork arm and the lower fork arm respectively and comprise first pushing convex blocks arranged on the upper fork arm, and a second pushing lug and a third pushing lug which are arranged on the lower fork arm, wherein the second pushing lug and the third pushing lug are distributed along the extension direction of the lower fork arm, the driven plate is provided with a bump abdication through hole which is correspondingly matched with the first pushing bump, the second pushing bump and the third pushing bump one by one, the lug abdicating through holes correspondingly matched with the two pushing lugs on the lower fork arm are positioned on two sides of a virtual central line which is vertical to the sliding direction of the reversing pushing plate and is intersected with the central axis of the clutch disc. Under this structural design, the switching-over push pedal adopts last yoke and lower yoke drive, and adopts the branch to establish in the radial both sides of clutch disc on the yoke down, and the switching-over push pedal pushes away steadily to the driven plate to make the action of clutch disc reliable and stable.

Preferably, the fork opening of the reversing pushing plate is matched on the clutch disc in a guiding mode. Under this structural design, realize the location direction of switching-over push pedal, have the advantage that the action is reliable and stable and compact structure.

Preferably, the gear rack for positioning and mounting the worm wheel is arranged on the mounting rack, the gear rack comprises two gear mounting plates which are arranged oppositely and a fixed connecting piece for connecting the two gear mounting plates, the two gear mounting plates are respectively arranged at two ends of the worm wheel in the axial direction, gear supporting holes are arranged on the gear mounting plates, the worm wheel is positioned and rotatably matched on the gear supporting holes, a push-pull rod avoiding groove extending along the sliding direction of the push-pull rod is arranged on the gear mounting plates, one end of the push-pull rod avoiding groove in the extending direction is a stopping end with a stopping surface, a stopping pin is fixed on the gear mounting plate with the push-pull rod avoiding groove, the side part of the push-pull rod is positioned in the push-pull avoiding groove, the end part of one end of the push-pull rod connected with the driven plate is stopped by a stop surface to form the limit of the release position of the push-pull rod driving clutch, the reversing top pushing plate is provided with a step notch, and the step notch on the reversing top pushing plate is stopped by a stop pin to form the limit of the combination position of the push-pull rod driving clutch. Under the structural design, the gear mounting plate realizes avoidance of the push-pull rod, has the advantage of compact structure, and forms a structure for stopping and limiting the push-pull rod by utilizing the thickness of the gear mounting plate; the reversing top pushing plate is provided with a step notch for stopping and limiting with a stop pin on the gear mounting plate.

Preferably, the linkage mechanism comprises a movable baffle for opening and closing the manual operation end, the movable baffle is linearly matched on the mounting frame in a sliding manner along a direction perpendicular to the push-pull rod, the movable baffle is provided with a manual opening position corresponding to the opening of the manual operation end and a closing position corresponding to the closing of the manual operation end along the sliding direction, the movable baffle is provided with a locking tongue piece sliding along with the movable baffle, the push-pull rod is provided with a locking bayonet, the locking bayonet corresponds to a movement path of the locking tongue piece of the movable baffle when the push-pull rod is at a position where the driving clutch disc is separated from the driving disc, the locking tongue piece is inserted into the locking bayonet when the movable baffle slides to the manual opening position, the locking tongue piece is withdrawn from the locking bayonet when the movable baffle slides to the closing position, the push-pull rod corresponds to a position where the driving clutch disc is dynamically combined with the driving disc, the movable baffle is at a closing position, and the push-pull rod stops the movable baffle plate to slide to open the manual operation end. Under this structural design, the adjustable fender realizes manual and automatic interlocking for the operation is more safe and reliable, and utilizes the practical and push-and-pull rod interlocking that forms locking tongue piece on the adjustable fender, has simple structure compactness and the reliable advantage of interlocking.

Preferably, the manual operation end is including the operation panel of taking operation port, gear drive is including first bevel gear, second bevel gear and straight-teeth gear, and first bevel gear is installed on the mounting bracket through the fixed axle, the first bevel gear of operation panel fixed connection, first bevel gear and second bevel gear meshing, and second bevel gear locates on the mounting bracket through the supporting axle, and fixed axle one end bearing is on the supporting axle, and the fixed axle arranges with the supporting axle is perpendicular, and second bevel gear fixes on the straight-teeth gear, power output shaft and supporting axle parallel arrangement are fixed with output gear on the power output shaft, output gear and straight-teeth gear meshing. Under this structural design, power take off shaft realizes power take off through output gear and the cooperation of operation end cooperation spur gear, and the installation of being convenient for is arranged, avoids being connected with actuating mechanism and avoids the interference of mounted position, has compact structure and the reliable and stable advantage of transmission.

The present invention will be further described with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of an operating mechanism of a high-voltage switch cabinet according to an embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of an operating mechanism of a high-voltage switch cabinet according to an embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of the electric operating mechanism and the movable baffle according to the embodiment of the present invention;

fig. 4 is a schematic structural view of an electric operating mechanism according to an embodiment of the present invention;

fig. 5 is a partial exploded view of the electric actuator according to the embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a driven plate according to an embodiment of the present invention;

fig. 7 is a schematic structural view of the reversing top-pushing plate according to the embodiment of the present invention.

Detailed Description

Referring to fig. 1-7, the present invention discloses a high voltage switch cabinet operating mechanism, which comprises a mounting frame 1, a manual operation end 2 and a control end 3, wherein the control end 3 controls the opening and closing state of the manual operation end 2 through a linkage mechanism 4, the mounting frame 1 is provided with a driving mechanism (not shown in the figure) and an electric operating mechanism 5 connected with the driving mechanism, the driving mechanism in the present invention comprises a transmission shaft rotatably arranged on the mounting frame, a driving wheel arranged on the transmission shaft, an auxiliary switch transmission structure respectively connected with the driving wheel and used for driving an auxiliary switch, a back door locking transmission structure used for driving a back door locking, and a geneva mechanism connected with the transmission shaft and used for driving an isolating switch and a grounding switch, which is the prior art of high voltage switch cabinets, and therefore, the specific structure thereof is not repeated, electric operating mechanism 5 includes driving motor 51, and driving motor 51 is connected with actuating mechanism through power transmission mechanism, and manually operation end 2 is connected with actuating mechanism through gear drive 6, for making gear drive's compact structure, the utility model discloses preferential adoption: the gear transmission mechanism 6 comprises a first bevel gear 61, a second bevel gear 62 and a straight gear 63, the first bevel gear 61 is mounted on the mounting rack 1 through a fixing shaft 64, the manual operation end 2 comprises an operation panel 21 with an operation port, the operation panel 21 is fixedly connected with the first bevel gear 61, the first bevel gear 61 is meshed with the second bevel gear 62, the second bevel gear 62 is arranged on the mounting rack 1 through a supporting shaft 65, one end of the fixing shaft 64 is supported on the supporting shaft 65, the fixing shaft 64 is arranged perpendicular to the supporting shaft 65, the second bevel gear 62 is fixed on the straight gear 63, the power transmission mechanism comprises a power output shaft 52, a worm wheel 53 and a clutch 56, the power output shaft 52 is in transmission connection with a driving mechanism, an output gear 55 is fixed on the power output shaft 52, the power output shaft 52 is arranged parallel to the supporting shaft 65, the output gear 55 on the power output shaft 52 is meshed with the straight gear 63, the worm wheel 53 is sleeved on the power output shaft 52, the worm wheel 53 is driven to rotate by the driving motor 51, the worm is arranged at the output end of the driving motor 51 and meshed with the worm wheel 53, and the worm wheel 53 is connected with the power output shaft 52 through the clutch 56. The driving motor drives the power output shaft to rotate through the worm wheel and the clutch, so that the driving mechanism is electrically controlled, the clutch can realize power combination and disconnection control between the driving motor and the driving mechanism, manual and electric operation switching of the high-voltage switch cabinet is facilitated, and the high-voltage switch cabinet has the advantages of safety and reliability.

The clutch 56 comprises a clutch disc 561 and a driving disc 562 which are in clutch fit, the clutch disc 561 is in axial sliding fit on the power output shaft 52, the driving disc 562 is fixed on the worm wheel 53, the clutch disc 561 is in linkage connection with the power output shaft 52 in the rotating direction, a convex tooth 5611 is convexly arranged in a central shaft hole on the clutch disc 561, a movable guide groove 521 which is in guide fit with the convex tooth 5611 and forms linkage of the clutch disc 561 and the power output shaft 52 in the rotating direction is arranged on the power output shaft 52, the clutch disc 561 is matched with a clutch operating mechanism 57, the clutch operating mechanism 57 comprises a push-pull rod 571 in sliding fit on the mounting frame 1, the sliding direction of the push-pull rod 571 is perpendicular to the power output shaft 52, and a reversing transmission assembly which drives the clutch disc 561 to slide through the push-pull rod 571 is arranged between the push-pull rod 571 and the clutch disc 561. The push-pull rod is pushed and pulled to control the clutch disc to slide, so that the operation is more labor-saving and the structure is compact; certainly, as a feasible scheme of the utility model, the clutch operation of the clutch can also adopt structures such as electromagnetic driving or shifting fork shifting; but the push-pull operation is adopted, so that the labor is saved and the structure is compact. In order to ensure that the clutch disc and the power output shaft are reliably matched, the clutch disc is provided with a sleeve part extending along the axial direction, the convex teeth extend into the sleeve part, the sleeve part extends into a central shaft hole of the worm wheel, the sleeve part ensures the axial length of the clutch disc, and the reliable movement of the clutch disc on the power output shaft and the reliable linkage of the clutch disc and the power output shaft are ensured. The driving disc 562 is integrally formed on the end face of the worm wheel, the driving disc comprises meshing convex columns 5621 which are circumferentially distributed on the end face of the worm wheel, a power joint face is arranged on the clutch disc, and meshing grooves 5611 are formed in the power joint face; of course, the clutch plate and driving plate structure of the clutch can also adopt other structural forms, and the skilled person can make corresponding selections according to the prior art.

The reversing transmission assembly comprises a jacking spring 572, a reversing jacking plate 573 and a driven plate 574 slidably matched on the mounting frame 1 along the sliding direction of the clutch disc 561, the jacking spring 572 abuts against the clutch disc 561 and provides a spring driving force for driving the clutch disc 561 to slide to a position in power connection with the driving disc 562, a stepped hole for placing the jacking spring 572 is formed in the clutch disc 561 to achieve compact assembly, the reversing jacking plate 573 is fixedly connected to the push-pull rod 571 and slides along with the push-pull rod 571, the reversing jacking plate 573 is provided with a jacking lug 5731 protruding along the sliding direction of the clutch disc 561, the jacking lug 5731 is provided with a driving inclined surface 86574 obliquely extending along the sliding direction of the reversing jacking plate 573, the driving inclined surface 57311 guides the driven plate 574 to slide, the driven plate 574 is correspondingly matched with the driving inclined surface 57311 under the spring driving force of the jacking spring 572, and the driven plate 574 is supported on the jacking lug 5731 to achieve that the driven plate thrusts the clutch disc 561 to be kept separated from the driving disc 562 In position, the clutch plate 561 can rotate relative to the driven plate 574, the driven plate 574 is in pushing fit with the clutch plate 561, and the driven plate 574 is provided with a protrusion abdicating through hole 5741 for the pushing protrusion 5731 to enter. The push-pull rod 571 pushes the reversing push-pull plate 573 to slide, the pushing lug 5731 slides out of the lug abdicating through hole 5741, the driving inclined plane 57311 on the pushing lug 5731 pushes the driven plate 574 to force the driven plate 574 to slide, so that the pushing clutch disc 561 slides axially until the driving disc 562 is disengaged, the driven plate 574 is supported on the pushing lug 5731 to realize that the driven plate 574 pushes the clutch disc 561 to be kept at a clutch position, and the pushing spring 572 stores energy and ensures that the clutch disc, the driven plate and the driving inclined plane are reliably matched; the push-pull rod 571 pushes the reversing push plate 573 to slide until the push lug 5731 enters the lug yielding through hole 5741, the driven plate 574 moves under the guidance of the driving inclined plane 57311 and the driving of the push spring 572, and the clutch disc 561 moves to the position of being engaged with the driving disc 562; the linkage of the reversing pushing plate and the driven plate is realized by matching the pushing lug 5731 and the lug abdicating through hole 5741, the thickness space of the driven plate is fully utilized, and the structure is compact; the jacking spring realizes linkage among the clutch disc, the reversing jacking plate and the slave plate, and ensures that the clutch disc is stably and reliably positioned at a joint position with the driving disc. Certainly as the utility model discloses feasible scheme can adopt to be equipped with on the switching-over top push pedal along the chute that the driven plate slip direction slope extends, be equipped with on the driven plate with chute complex protruding finger, driven plate and clutch disc can adopt spring or ring channel cooperation (reach the relative rotation of clutch disc and driven plate on the direction of rotation, the linkage in the axial) to realize. And the pushing lug 5731 is matched with the lug abdicating through hole 5741 in a guiding way. The bump abdicating through hole not only avoids the pushing bump, but also enables the pushing bump 5731 to be placed into the bump abdicating through hole 5741 to form positioning and guiding, and the matching is reliable.

In order to make the structure compact and the action stable and reliable, the driven plate 574 is provided with a shaft hole 5742 through which the clutch disc 561 passes, the driven plate 574 is supported on the clutch disc 561 through the shaft hole 5742, the other end of the driven plate 574, opposite to the end where the push-pull rod 571 is connected, is provided with a positioning guide finger 5743, the mounting rack 1 is fixed with a positioning plate 11, the positioning plate 11 is provided with a guide groove 111 extending along the sliding direction of the driven plate 574, and the positioning guide finger of the driven plate is guided and fitted in the guide groove. The driven plate is supported by the clutch disc and matched with the guide groove by the positioning guide finger, and the clutch disc has the advantages of reliable positioning activity and compact structure of the driven plate.

Further, the direction changing push plate 573 is fork-shaped, the direction changing push plate 573 includes a base plate 573-1 fixedly connected to the push-pull rod 571, the base plate 573-1 is provided with an upper yoke 573-2 and a lower yoke 573-3 extending in a sliding direction of the direction changing push plate 573, the upper yoke 573-2 and the lower yoke 573-3 have a yoke 573-4 therebetween, the yoke 573-4 avoids the clutch disc 561, the upper yoke 573-2 and the lower yoke 573-3 are each provided with a pushing projection 5731, the pushing projections 5731 include first pushing projections 574 provided on the upper yoke 573-2 and second pushing projections and third pushing projections provided on the lower yoke 573-3, the second pushing projections and the third pushing projections are distributed in an extending direction of the lower yoke 573-3, and the driven plate is provided with a pushing projection 574 connected to the first pushing projections 574, The bump abdicating through holes 5741 correspondingly matched with the second pushing bump and the third pushing bump one by one, and the bump abdicating through holes 5741 correspondingly matched with the two pushing bumps on the lower fork arm 573-3 are positioned at two sides of a virtual central line a which is vertical to the sliding direction of the reversing pushing plate 573 and is crossed with the central axis of the clutch disc 561. The reversing push plate is driven by an upper fork arm and a lower fork arm, the lower fork arm is arranged on two radial sides of the clutch disc respectively, and the reversing push plate pushes the driven plate stably, so that the clutch disc is stable and reliable in action. The upper fork arm is shorter than the lower fork arm, and the right upper part of the driven plate is provided with a unfilled corner design so as to realize avoidance of the driving mechanism. An extension groove body for inserting the lower fork arm 573-3 is formed in the guide groove 111 of the positioning plate 11 in an extending mode, and the extension groove body achieves avoidance of the lower fork arm 573-3.

The fork 573-4 of the reversing push plate 573 is guided to fit on the clutch disc 561. Realize the location direction of switching-over push pedal, have the advantage that the action is reliable and stable and compact structure.

A gear rack for positioning and installing the worm wheel 53 is arranged on the mounting frame 1, the gear rack comprises two oppositely arranged gear mounting plates 12 and a fixed connecting piece (such as a bolt, a pin shaft and the like) for connecting the two gear mounting plates 12, the two gear mounting plates 12 are respectively arranged at two axial ends of the worm wheel 53, gear supporting holes are arranged on the gear mounting plates 12, the worm wheel 53 is positioned and rotatably matched on the gear supporting holes, wherein an upper fork arm 573-2 and a lower fork arm 573-3 are positioned and guided to be matched between the driven plate 574 and the gear mounting plates 12, and the direction-changing push plate 573 is positioned; the gear mounting plate 12 is provided with a push-pull rod avoiding groove 121 extending along the sliding direction of the push-pull rod 571, one end of the push-pull rod avoiding groove 121 in the extending direction is a stop end with a stop surface 1211, a stop pin 13 is fixed on the gear mounting plate 12 with the push-pull rod avoiding groove 121, the lateral part of the push-pull rod 571 is positioned in the push-pull avoiding groove 121, the end part of the connecting end of the push-pull rod 571 and the driven plate 574 is stopped by the stop surface 1211 to form the limit of the release position of the push-pull rod 571 driving clutch, the reversing top push plate 573 is provided with a step notch 5732, and the step notch 5732 on the reversing top push plate 573 is stopped by the stop pin 13 to form the limit of the coupling position of the push-pull rod 571 driving clutch. The gear mounting plate is used for avoiding the push-pull rod, has the advantage of compact structure, and is in a structure for stopping and limiting the push-pull rod by utilizing the thickness of the gear mounting plate; the reversing top pushing plate is provided with a step notch for stopping and limiting with a stop pin on the gear mounting plate.

For realizing the interlocking function between manual operation and the electrical operation, utilize in the past in the link gear 4 to be used for opening and close the adjustable fender 41 realization of manual operation end 2, adjustable fender 41 is along perpendicular push-and-pull rod 571 direction straight line sliding fit on mounting bracket 1, and adjustable fender 41 has the manual position of opening and the closed position of manual operation end 2 of corresponding opening of manual operation end 2 along the slip direction, the utility model discloses well control end 3 is prior art with link gear 4's structure, and the skilled person can realize corresponding function according to prior art, so control end and link gear's concrete structure is no longer repeated, and its improvement point lies in: the movable baffle plate 41 is provided with a locking tongue piece 411 sliding along with the movable baffle plate 41, the push-pull rod 571 is provided with a locking bayonet 5710, the push-pull rod 571 corresponds to a position where the driving clutch disc 561 is separated from the driving disc 562, the locking bayonet 5710 corresponds to a movement path of the locking tongue piece 411 of the movable baffle plate 41, the locking tongue piece 411 is inserted into the locking bayonet 5710 when the movable baffle plate 41 slides to a manual opening position, the locking tongue piece 411 exits from the locking bayonet 5710 when the movable baffle plate 41 slides to a closing position, the push-pull rod 571 corresponds to a position where the driving clutch disc 561 is in power combination with the driving disc 562, the movable baffle plate 41 corresponds to the closing position, and the push-pull rod 571 stops the movable baffle plate 41 from sliding to open the manual operation end 2. The movable baffle realizes manual and automatic interlocking, so that the operation is safer and more reliable, and the practical interlocking of the locking tongue piece and the push-pull rod formed on the movable baffle is utilized, so that the interlocking device has the advantages of simple and compact structure and reliable interlocking. In this embodiment, the locking tongue is formed by two spaced and parallel sheet bodies, and two notch grooves are formed on the outer circumferential side of the push-pull rod to form a locking bayonet.

Claims (10)

1. The utility model provides a high tension switchgear operating mechanism, includes mounting bracket, a manual operation end and control end, the control end is through the link gear control the opening of manual operation end, the state of closing, the mounting bracket on be equipped with actuating mechanism and the electronic operating mechanism who is connected with actuating mechanism, electronic operating mechanism includes driving motor, driving motor is connected with actuating mechanism through power transmission mechanism, the manual operation end is connected its characterized in that through gear drive mechanism and actuating mechanism: the power transmission mechanism comprises a power output shaft, a worm wheel and a clutch, the power output shaft is in transmission connection with the driving mechanism, the worm wheel is sleeved on the power output shaft and is driven to rotate by the driving motor, and the worm wheel is connected with the power output shaft by the clutch.

2. The high-voltage switch cabinet operating mechanism according to claim 1, wherein: the clutch comprises a clutch disc and a driving disc which are in clutch fit, the clutch disc is axially in sliding fit on the power output shaft, the driving disc is fixed on the worm wheel, the clutch disc is in linkage connection with the power output shaft in the rotating direction, the clutch disc is matched with a clutch operating mechanism, the clutch operating mechanism comprises a push-pull rod which is in sliding fit on the mounting frame, the sliding direction of the push-pull rod is perpendicular to the power output shaft, and a reversing transmission assembly which drives the clutch disc to slide through the sliding of the push-pull rod is arranged between the push-pull rod and the clutch disc.

3. The high-voltage switch cabinet operating mechanism according to claim 2, wherein: the reversing transmission assembly comprises a jacking spring, a reversing jacking plate and a driven plate, the driven plate is in sliding fit with the mounting frame along the sliding direction of the clutch disc, the jacking spring abuts against the clutch disc and provides a spring driving force for driving the clutch disc to tend to slide to a position in power connection with the driving disc, the reversing jacking plate is fixedly connected to the push-pull rod and slides along with the push-pull rod, a jacking lug protruding along the sliding direction of the clutch disc is arranged on the reversing jacking plate, a driving inclined plane obliquely extending along the sliding direction of the reversing jacking plate is arranged on the jacking lug and guides the driven plate to slide, the driven plate is correspondingly matched with the driving inclined plane under the spring driving force of the jacking spring, the driven plate is supported on the jacking lug to keep the driven plate at a position where the driven plate is separated from the driving disc, the clutch disc can rotate relative to the driven plate, and the driven plate is in jacking fit with the clutch disc, the driven plate is provided with a lug abdicating through hole for the pushing lug to enter.

4. The high voltage switch cabinet operating mechanism according to claim 3, wherein: the clutch device is characterized in that the driven plate is provided with a shaft hole for the clutch disc to pass through, the driven plate is supported on the clutch disc through the shaft hole, the other end of the driven plate, opposite to the end connected with the push-pull rod, is provided with a positioning guide finger, the mounting frame is fixedly provided with a positioning plate, the positioning plate is provided with a guide groove extending along the sliding direction of the driven plate, and the positioning guide finger of the driven plate is guided and matched in the guide groove.

5. The high voltage switch cabinet operating mechanism according to claim 3, wherein: the pushing lug is matched with the lug yielding through hole in a guiding manner.

6. The high-voltage switch cabinet operating mechanism according to claim 3, 4 or 5, wherein: the reversing push-pull plate is fork-shaped, the reversing push-pull plate comprises a base plate fixedly connected with the push-pull rod, an upper fork arm and a lower fork arm which extend along the sliding direction of the reversing push-pull plate are arranged on the base plate, a fork opening is formed between the upper fork arm and the lower fork arm and is used for avoiding the clutch disc, pushing convex blocks are arranged on the upper fork arm and the lower fork arm respectively and comprise first pushing convex blocks arranged on the upper fork arm, and a second pushing lug and a third pushing lug which are arranged on the lower fork arm, wherein the second pushing lug and the third pushing lug are distributed along the extension direction of the lower fork arm, the driven plate is provided with a bump abdication through hole which is correspondingly matched with the first pushing bump, the second pushing bump and the third pushing bump one by one, the lug abdicating through holes correspondingly matched with the two pushing lugs on the lower fork arm are positioned on two sides of a virtual central line which is vertical to the sliding direction of the reversing pushing plate and is intersected with the central axis of the clutch disc.

7. The high voltage switch cabinet operating mechanism of claim 6, wherein: and the fork opening of the reversing push plate is matched on the clutch disc in a guiding manner.

8. The high-voltage switch cabinet operating mechanism according to claim 3, 4 or 5, wherein: the gear rack is provided with a gear rack for positioning and installing the worm wheel, the gear rack comprises two gear mounting plates which are oppositely arranged and a fixed connecting piece for connecting the two gear mounting plates, the two gear mounting plates are respectively arranged at two axial ends of the worm wheel, the gear mounting plates are provided with gear supporting holes, the worm wheel is positioned and rotationally matched on the gear supporting holes, the gear mounting plates are provided with push-pull rod avoiding grooves which extend along the sliding direction of the push-pull rod, one end of the push-pull rod avoiding groove extending direction is a stopping end with a stopping surface, and the gear mounting plates with the push-pull rod avoiding grooves are fixedly provided with stopping pins, the side part of the push-pull rod is positioned in the push-pull avoiding groove, the end part of one end of the push-pull rod connected with the driven plate is stopped by a stop surface to form the limit of the release position of the push-pull rod driving clutch, the reversing top pushing plate is provided with a step notch, and the step notch on the reversing top pushing plate is stopped by a stop pin to form the limit of the combination position of the push-pull rod driving clutch.

9. The high voltage switch cabinet operating mechanism according to claim 2, 3, 4 or 5, wherein: the linkage mechanism comprises a movable baffle for opening and closing a manual operation end, the movable baffle is linearly matched on the mounting frame in a sliding manner along a direction vertical to the push-pull rod, the movable baffle is provided with a manual opening position corresponding to the opening of the manual operation end and a closing position corresponding to the closing of the manual operation end along the sliding direction, the movable baffle is provided with a locking tongue sheet sliding along with the movable baffle, the push-pull rod is provided with a locking bayonet, the locking bayonet corresponds to the movement path of the locking tongue sheet of the movable baffle when the push-pull rod is at a position where the driving clutch disc is separated from the driving disc, the locking tongue sheet is inserted into the locking bayonet when the movable baffle slides to the manual opening position, the locking tongue sheet is withdrawn from the locking bayonet when the movable baffle slides to the closing position, and the movable baffle corresponds to the closing position when the push-pull rod is at a position where the driving clutch disc is dynamically combined with the driving disc, and the push-pull rod stops the movable baffle plate to slide to open the manual operation end.

10. The high-voltage switch cabinet operating mechanism according to claim 1, wherein: the manual operation end is including the operation panel of taking operation port, gear drive is including first bevel gear, second bevel gear and straight-teeth gear, and first bevel gear is installed on the mounting bracket through the fixed axle, the first bevel gear of operation panel fixed connection, first bevel gear and second bevel gear meshing, and second bevel gear locates on the mounting bracket through the supporting axle, and fixed axle one end bearing is on the supporting axle, and the fixed axle arranges with the supporting axle is perpendicular, and second bevel gear fixes on the straight-teeth gear, power output shaft and supporting axle parallel arrangement are fixed with output gear on the power output shaft, output gear and straight-teeth gear meshing.

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