CN208753171U - On-load switch electrically operated device - Google Patents

Abstract

The utility model discloses a kind of on-load switch electrically operated device, comprising: support element is inside formed with accommodating cavity；Transmission gear component is arranged in accommodating cavity；Motor is installed on support element and is sequentially connected with transmission gear component；Mechanical clutch device assembly, including clutch outer shaft, clutch inner shaft, dynamic fixture block and spring；Clutch outer shaft is arranged in support element and is sequentially connected with transmission gear component, and clutch inner shaft is movable to be arranged in clutch outer shaft, and spring is fixedly connected with dynamic fixture block；Under energized state, dynamic fixture block is driven with card by external force and connects clutch outer shaft and clutch inner shaft, so that clutch outer shaft and clutch inner shaft and transmission gear component link；Under power failure state, spring can drive dynamic fixture block mobile, and to release card and the connection of clutch outer shaft and clutch inner shaft, clutch inner shaft can be rotated relative to clutch outer shaft.Resistance is smaller when the utility model on-load switch electrically operated device is manually operated, and operates more convenient.

Description

On-load switch electrically operated device

Technical field

The utility model relates to a kind of on-load switch electrically operated devices.

Background technique

Negative combination switch pivot is closed in domestic 10KV (or 20KV) power distribution network, and the equipment of load is cut-off, and commonly uses operation side Formula are as follows: operation handle is inserted into on-load switch operating shaft, rotation process handle, on-load switch operating shaft is rotated with operation handle When compression (or stretch) on-load switch energy-stored spring carry out energy storage；Quick-make (or cut-offfing) is negative when energy-stored spring discharges runs jointly It closes.Since operating force is big, operation handle must have longer length, and operator must male.

With the raising that the rapid growth and user of power supply area require power supply reliability, traditional handle is grasped manually Requirement is had been unable to meet as mode.Power supply bureau can be closed on computers with distribution automation system or the load in a disjunction distant place Switchgear.To realize the function, loading switch cabinet must install electrically operated device additional on the basis of former handle is manually operated.Add The difficult point of dress electrically operated device research and development is: how when installing electrically operated device damage additional, running midway power failure Shi Buying It rings manual operation function and how to overcome the resistance of electrically operated device in manual operation.

Utility model content

The main purpose of the utility model is to provide a kind of on-load switch electrically operated device, it is intended to realize on-load switch hand Resistance is smaller when moving operation and electric operating collection is integrated, and being manually operated, and operates more convenient.

To achieve the above object, the utility model proposes on-load switch electrically operated devices, comprising:

Support element is inside formed with accommodating cavity；

Transmission gear component is arranged in accommodating cavity；

Motor is installed on the support element and is sequentially connected with the transmission gear component；

Mechanical clutch device assembly, including clutch outer shaft, clutch inner shaft, dynamic fixture block and spring；Outside the clutch Axis is arranged in the support element and is sequentially connected with the transmission gear component, and the clutch inner shaft is movable to be arranged in institute Clutch outer shaft is stated, the spring is fixedly connected with the dynamic fixture block；

Under energized state, the dynamic fixture block is driven with card by external force and connects the clutch outer shaft and clutch inner shaft, So that the clutch outer shaft and clutch inner shaft and the transmission gear component link；

Under power failure state, the spring can drive the dynamic fixture block mobile, to release the clutch outer shaft and clutch The card of inner shaft and connection, the clutch inner shaft can be rotated relative to the clutch outer shaft.

Optionally, the on-load switch electrically operated device further includes forerunner's movable plate, forerunner's movable plate and the clutch Device outer shaft is fixedly connected.

Optionally, the on-load switch electrically operated device further includes rear-guard movable plate, the rear-guard movable plate and the clutch Device inner shaft is fixedly connected.

Optionally, semi-hollow and the long key extended in the clutch internal axle axial is formed with inside the clutch inner shaft Slot, the dynamic fixture block slide along the long keyway and partially stretch out the long keyway, and the spring retention is in the long keyway And both ends are separately connected the clutch inner shaft and the dynamic fixture block, and the clutch outer shaft inner wall is formed with and the dynamic card The compatible half-open oral pore of block；

The on-load switch electrically operated device further includes actuator, and the actuator protrudes into the mechanical clutch device assembly And connect the dynamic fixture block；

Under energized state, the actuator drives the dynamic fixture block to slide along the long keyway and be caught in the half opening Hole, the spring store elastic potential energy；

Under power failure state, the spring release elastic potential energy drives the dynamic fixture block to slide along the long keyway and is detached from institute State half-open oral pore.

Optionally, the on-load switch electrically operated device further includes filling with the control circuit of the electrical connection of motor It sets, the control circuit device controls the operation of the motor.

Optionally, the transmission gear component includes two or two or more intermeshing transmission gears.

Optionally, the transmission gear component include: first stud gear, second stud gear, third transmission gear with And the 4th transmission gear；

The first stud gear is connect with the rotor of the motor by exporting spline gear；

The second stud gear is engaged with the first stud gear；

The third transmission gear is engaged with the second stud gear；

4th transmission gear engaged with the small tooth shaft that the third transmission gear is coaxially disposed and with the clutch Outer shaft is fixedly connected.

Optionally, the support element, comprising:

First support plate；

Second support plate is oppositely arranged with first support plate；And

Support rod, affixed first support plate and second support plate.

Optionally, the on-load switch electrically operated device further includes electric machine support, and the motor is mounted on the motor On bracket, the electric machine support is mounted in first support plate.

Optionally, the rear-guard movable plate fixing sleeve is set to outside the clutch inner shaft, and the inner wall of the rear-guard movable plate It is cooperatively formed with the outer wall of the clutch inner shaft fluted.

Technical solutions of the utility model by by the mechanical clutch device assembly of on-load switch electrically operated device be set as from Clutch outer shaft, clutch inner shaft, dynamic fixture block and spring, clutch inner shaft pass through clutch outer shaft, and clutch outer shaft passes through change Fast gear assembly and motor linkage, in the energized state, dynamic fixture block and connection clutch outer shaft and clutch inner shaft are made with this The external output torque of switch manipulation realization can be carried out by automatically controlled mode by obtaining the utility model on-load switch, when under power failure state When, spring drives moved fastener mobile and the card of clutch outer shaft and clutch inner shaft and connection status is released from, with this Clutch inner shaft can rotate to realize external output torque relative to clutch outer shaft, and clutch inner shaft was rotating The rotation of transmission gear component will not be driven in journey, so that resistance is smaller when manual operation, it can be seen that, transmission gear can Corresponding linkage or disconnection in the case where energization or power-off, so that the load switch operation device of the utility model is more just It is prompt, flexible.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.

Fig. 1 is the schematic perspective view at a visual angle of one embodiment of the utility model on-load switch electrically operated device；

Fig. 2 is the schematic perspective view at another visual angle of on-load switch electrically operated device in Fig. 1；

Fig. 3 is the configuration schematic diagram of on-load switch electrically operated device in Fig. 1；

Fig. 4 is the structural schematic diagram for removing the first support plate of on-load switch electrically operated device in Fig. 1；

Fig. 5 is that the 4th transmission gear of on-load switch electrically operated device and the assembling structure of clutch pack are shown in Fig. 1 It is intended to；

Fig. 6 is the schematic cross-sectional view of Fig. 5；

Fig. 7 is the configuration schematic diagram of Fig. 5.

Drawing reference numeral explanation:

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with The concrete meaning of above-mentioned term in the present invention is understood as the case may be.

In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model It is required that protection scope within.

The utility model proposes a kind of load switch operation devices.

It is cleverly selectable transmission gear component 30 by the way that fixture block component 73 is arranged in load switch operation device It is rotated with the connection of mechanical clutch device assembly 70, external output torque.

In conjunction with attached drawing 1~3, in one embodiment, load switch operation device 100, comprising: support element 10, gear teeth Wheel assembly 30, motor 50, mechanical clutch device assembly 70 and the forerunner's movable plate 77 and rear-guard that are connected to mechanical clutch device assembly 70 Movable plate 78.

Wherein, it is in frame structure that support element 10 is whole, interior hollow, is formed an accommodating cavity (not indicating).Some can In capable embodiment, support element 10 includes: the first support plate 11, the second support plate 13 and support rod 15.First support plate 11 For the approximate rectangular of ladder-type structure composition, the second support plate 13 is oppositely arranged with the first support plate 11, and be it is approximate rectangular, the The material of one support plate 11 and the second support plate 13 can be rigid plastics or Metal plate；Support rod 15 is arranged at first Between fagging 11 and the second support plate 13, the both ends of support rod 15 are affixed with the first support plate 11 and the second support plate 13 respectively, It wherein can be and be provided with threaded hole in support column 15, and correspondence opens up in the first support plate 11 and the second support plate 13 There is threaded hole, being fixedly connected for the first support plate 11 and the second support plate 13 and threaded post is realized by screw.

Transmission gear component 30 is arranged in the cavity of support element 10, and can be freely rotated.It is feasible in some In embodiment, transmission gear component 30 includes two or two or more intermeshing transmission gears, and transmission gear is rotatable Be mounted in the accommodating cavity of support element 10, by the power speed changing of acquisition.

Motor 50 is arranged on support element 10 and connect with transmission gear component 30.Motor 50 is arranged in support element On 10, output spline gear 51 is fixedly installed on the rotor of motor 50, motor 50 passes through output spline gear 51 and gear teeth Wheel assembly 30 connects, by the power output of motor 50.In the feasible embodiment of some, motor 50 can be stepper motor Or servo motor etc..

Mechanical clutch device assembly 70 is arranged on support element 10.Mechanical clutch device assembly 70 includes clutch outer shaft 71, Clutch inner shaft 72, dynamic fixture block 73 and spring 74；Clutch outer shaft 71 be arranged in institute's support element 10 and with transmission gear group Part 30 is sequentially connected, and clutch inner shaft 72 is movable to be arranged in clutch outer shaft 71, and spring 74 is fixedly connected with dynamic fixture block 73.

Under energized state, dynamic fixture block 73 is driven with card by external force and connects clutch outer shaft 71 and clutch inner shaft 72, with So that clutch outer shaft 71 and clutch inner shaft 72 and transmission gear component 30 link；

Under power failure state, spring 74 can drive dynamic fixture block 73 mobile, to release clutch outer shaft 71 and clutch inner shaft 72 Card and connection, clutch inner shaft 72 can be rotated relative to clutch outer shaft 71.

Specifically, please further combined with referring to Fig. 4 to Fig. 7, the 72 inside semi-hollow of clutch inner shaft is simultaneously formed with The axially extending long keyway 721 of clutch inner shaft 72 moves fixture block 73 along the sliding of long keyway 721 and long keyway 721, bullet is stretched out in part Spring 74 is placed in long keyway 721 and both ends are separately connected clutch inner shaft 72 and dynamic fixture block 73,71 inner wall of clutch outer shaft It is formed with half-open oral pore 711 compatible with dynamic fixture block；

The on-load switch electrically operated device further includes actuator (not shown), and actuator protrudes into mechanical clutch device assembly And connect dynamic fixture block 73；

Under energized state, actuator drives dynamic fixture block 73 to slide along long keyway 721 and be caught in half-open oral pore 711, spring 74 Elastic potential energy is stored, wherein the effect of actuator is that dynamic fixture block 73 is pushed to slide, and spring 74 is compressed, and actuator can It is made of motor and ball with to be, or by permanent magnet as stator and combination of the electromagnet as mover for being wound with coil Made of line-like motor structure, in the case where energization, the output shaft of motor pushes ball contact to move fixture block 73, or The coil of mover is powered so that mover moves under the action of permanent magnet and protrudes into the dynamic fixture block 73 of promotion and is caught in dynamic fixture block 73 Half-open oral pore 711 realizes the connection of motor 50, transmission gear component 30, clutch outer shaft 71 and clutch inner shaft 72 with this It is dynamic.

Under power failure state, the thrusting action of actuator fails, then spring 74 discharges elastic potential energy and drives dynamic fixture block 73 along length Keyway 721 slides and is detached from half-open oral pore 711, and such clutch inner shaft 72 passes through transmission gear component 30 with motor 50 Dynamic mechanism releases, and clutch inner shaft 72 can individually rotate and externally output torque realizes switching function, then in power failure state Under, people's manual operations may be implemented in the load switch operation device 100 of the application.

The application clutch outer shaft 10, it is interior in lead to, it is unilateral to be equipped with the half-open oral pore 711 of ellipse, connect transmission gear component 30.Specifically, clutch outer shaft 10 is cylindric, and one end offers the half-open oral pore 711 of ellipse, and it is interior in lead to.Outside clutch Axis 10 runs through support element 10, connection coaxial with the one of transmission gear of transmission gear component 30.Further, with clutch The transmission gear of the coaxial connection of device outer shaft 10, is freely rotated with the first support plate 11 and the second support plate 13 for axle sleeve, and clutch Device outer shaft 71 links.

Dynamic fixture block 73 is coaxially disposed with clutch outer shaft 71, and through clutch inner shaft 72, simultaneously spring 74 is affixed.Dynamic fixture block 73 In line-styled, centre is hollow circle, is fixed on annulus 75 by screw 76, and the long keyway of clutch inner shaft 72 is arranged in In 721.In other embodiments, moving fixture block 73 can be " ten " font.Spring 74 controls dynamic fixture block 73 and pulls in the axial direction, In the case where energization, spring 74 drives fixture block 73 to engage with the half-open oral pore 711 of ellipse of clutch outer shaft 71, so that coaxial Transmission gear, dynamic fixture block 73 engage the inside and outside axis linkage of mechanical clutch.In the case where motor 50 loses electric energy, manual Dynamic fixture block 73 is separated with the outer shaft of mechanical clutch device assembly 70 under operating mechanism effect, at this time can be by more convenient, light manually The operational load switch of pine, improves the safety of operator.Meanwhile it will not be because of the clutch by mechanical clutch device assembly 70 Outer shaft 71 rotate it is reversed drive transmission gear rotation, and then by biggish resistance, but also protect transmission gear (such as anti- Only gear breaking etc.), extend the service life of load switch operation device.In other embodiments, clutch outer shaft 71 The half-open oral pore 711 of ellipse can be set it is multiple, to improve the success rate of the engaging of dynamic fixture block 73.On-load switch electric operating The coefficient of the maloperation of device will reduce, and increase the safe operation of on-load switch.

In other embodiments, moving fixture block 73 can also be the structure of a similar root cutting pin, and in 71 He of clutch outer shaft The radial direction of clutch inner shaft 72 begins with spliced eye, and wherein the spliced eye of clutch inner shaft 72 can be in clutch inner shaft It has been provided at circumferentially spaced multiple, has been inserted into the spliced eye of clutch outer shaft 71 and clutch inner shaft 72, is realized by driving bolt The linkage of clutch outer shaft 71 and clutch inner shaft 72, by driving bolt to exit clutch outer shaft 71 and clutch inner shaft 72 Spliced eye can be realized manual actuation clutch inner shaft 72 and rotate and output torque.

Further, in one embodiment, rear-guard movable plate 78 is connect with the clutch inner shaft 72 of mechanical clutch device assembly 70. I.e. 78 fixing sleeve of rear-guard movable plate is set to outside clutch inner shaft 72, and the outer wall of the inner wall of rear-guard movable plate 78 and clutch inner shaft 72 It cooperatively forms fluted (not indicating), 78 inner ring of rear-guard movable plate is made into interior projecting apertures, and rear-guard movable plate 72 is made into 90 degree and and clutch Inner shaft 72 is integrally welded, and the design of groove is convenient for assembly, and connection structure is more firm after welding.

In one embodiment, forerunner's movable plate 77 and the clutch outer shaft 71 of mechanical clutch are integrally welded.It is opened with load The outer shaft of pass is adapted.

By the way that forward and backward driving piece is arranged, it can be achieved that electrified long-range control on-load switch.

Specifically, in one embodiment, transmission gear component 30 most preferably four transmission gears, respectively the first gear teeth Wheel 31, second stud gear 32, third transmission gear 33 and the 4th transmission gear 34.

First stud gear 31 is connect with motor 50.First stud gear 31 is rotatably fixed on branch by operating shaft In the accommodating cavity of frame member 10, the rotor of motor 50 is engaged by exporting spline gear 51 with first stud gear 31, and output is dynamic Power.

Second stud gear 32 is engaged with first stud gear 31.Second stud gear 32 is rotatable by operating shaft It is fixed in the accommodating cavity of support element 10, and is engaged with first stud gear 31.

Third transmission gear 33 is engaged with second stud gear 32.Third transmission gear 33 is provided centrally with small tooth shaft (not Mark), small tooth shaft is coaxially disposed and is engaged with third transmission gear 33, which is rotatably arranged the appearance of support element 10 Set intracavitary, third transmission gear 33 is spindle rotationally arranged in accommodating cavity around small tooth shaft.

4th transmission gear 34, the small tooth shaft being coaxially disposed with third transmission gear 33 engage.4th transmission gear 34 with Three internal splines are fixedly connected on clutch outer shaft 71 and are set in the accommodating cavity of support element 10.

It is provided with transmission gear group 37 in the cavity of approximate rectangular support element 10, is set on the outside of support element 10 Forerunner's movable plate 77 and rear-guard movable plate 78 have been set, motor 50 is provided on the support element 10 of the same side with forerunner's movable plate 77. Pass through motor 50, support element 10, transmission gear component 30 and mechanical clutch device assembly 70 and forward and backward ingenious group for driving piece It closes, what can be suitble to is mounted on specific loading switch cabinet spatial position, especially 10KV loading switch cabinet, such as Schneider (Schneider) the M24 series 10KV loading switch cabinet of company, and then realize that long distance electricization controls on-load switch.

In one embodiment, load switch operation device further includes electric machine support 60, and motor 50 is mounted on electric machine support 60 On, electric machine support 60 is mounted in the first support plate 11.Specifically, electric machine support 60 is fixedly connected on the first support by screw On plate 11, it is possible to understand that electric machine support 60 is mounted on there are many modes in the first support plate 11, such as welding, riveting etc., together The mode that reason motor 50 is mounted on electric machine support 60 is also a variety of.By this way, motor 50 can be increased and is mounted on support element Fastness on 10.

In one embodiment, load switch operation device further includes the control circuit device (figure being electrically connected with motor 50 Do not show), the operation of electrical control motor 50.The control circuit device can for integral control circuit or logic control circuit etc., Electrical control is carried out to the operation of motor 50, such as controls rotating forward, reverse, the speed change rotation of motor 50 or is off.

In other embodiments, load radio transmitting device or network communication device in control circuit device, it can be achieved that Remote intelligent control is realized in the control of wireless or network remote computer.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, under the premise of not departing from the inventive concept of the utility model, various modifications and improvements can be made, this Belong to the protection scope of the utility model.Therefore, the protection scope of the utility model patent should be with appended claims It is quasi-.

Claims (10)

1. a kind of on-load switch electrically operated device characterized by comprising

Support element is inside formed with accommodating cavity；

Transmission gear component is arranged in accommodating cavity；

Motor is installed on the support element and is sequentially connected with the transmission gear component；

Mechanical clutch device assembly, including clutch outer shaft, clutch inner shaft, dynamic fixture block and spring；The clutch outer shaft is worn Be sequentially connected set on the support element and with the transmission gear component, the clutch inner shaft is movable be arranged in it is described from Clutch outer shaft, the spring are fixedly connected with the dynamic fixture block；

Under energized state, the dynamic fixture block is driven with card by external force and connects the clutch outer shaft and clutch inner shaft, so that It obtains the clutch outer shaft and clutch inner shaft and the transmission gear component links；

Under power failure state, the spring can drive the dynamic fixture block mobile, to release the clutch outer shaft and clutch inner shaft Card and connection, the clutch inner shaft can be rotated relative to the clutch outer shaft.

2. on-load switch electrically operated device as described in claim 1, which is characterized in that the on-load switch electric operating dress Setting further includes forerunner's movable plate, and forerunner's movable plate is fixedly connected with the clutch outer shaft.

3. on-load switch electrically operated device as described in claim 1, which is characterized in that the on-load switch electric operating dress Setting further includes rear-guard movable plate, and the rear-guard movable plate is fixedly connected with the clutch inner shaft.

4. the on-load switch electrically operated device as described in any one of claims 1 to 3, which is characterized in that the clutch Device inner shaft inside semi-hollow is simultaneously formed with the long keyway extended in the clutch internal axle axial, and the dynamic fixture block is along the long key Slot slides and partially stretches out the long keyway, and the spring retention is separately connected the clutch in the long keyway and both ends Device inner shaft and the dynamic fixture block, the clutch outer shaft inner wall are formed with half-open oral pore compatible with the dynamic fixture block；

The on-load switch electrically operated device further includes actuator, and the actuator protrudes into the mechanical clutch device assembly and company Connect the dynamic fixture block；

Under energized state, the actuator drives the dynamic fixture block to slide along the long keyway and be caught in the half-open oral pore, institute State spring storage elastic potential energy；

Under power failure state, the spring release elastic potential energy drives the dynamic fixture block to slide along the long keyway and is detached from described half Open pore.

5. the on-load switch electrically operated device as described in any one of claims 1 to 3, which is characterized in that the load Switch on/off electric operating device further includes the control circuit device with the electrical connection of motor, and the control circuit device controls institute State the operation of motor.

6. the on-load switch electrically operated device as described in any one of claims 1 to 3, which is characterized in that the speed change Gear assembly includes two or two or more intermeshing transmission gears.

7. on-load switch electrically operated device as claimed in claim 6, which is characterized in that the transmission gear component includes: First stud gear, second stud gear, third transmission gear and the 4th transmission gear；

The first stud gear is connect with the rotor of the motor by exporting spline gear；

The second stud gear is engaged with the first stud gear；

The third transmission gear is engaged with the second stud gear；

4th transmission gear engaged with the small tooth shaft that the third transmission gear is coaxially disposed and with the clutch outer shaft It is fixedly connected.

8. the on-load switch electrically operated device as described in any one of claims 1 to 3, which is characterized in that the bracket Component, comprising:

First support plate；

Second support plate is oppositely arranged with first support plate；And

Support rod, affixed first support plate and second support plate.

9. on-load switch electrically operated device as claimed in claim 8, which is characterized in that the on-load switch electric operating dress Setting further includes electric machine support, and the motor is mounted on the electric machine support, and the electric machine support is mounted on first support On plate.

10. on-load switch electrically operated device as claimed in claim 3, which is characterized in that the rear-guard movable plate fixation is arranged Outside the clutch inner shaft, and the inner wall of the rear-guard movable plate and the outer wall of the clutch inner shaft cooperatively formed it is recessed Slot.