CN108022768B - A kind of device for switching - Google Patents

A kind of device for switching Download PDF

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Publication number
CN108022768B
CN108022768B CN201711107269.XA CN201711107269A CN108022768B CN 108022768 B CN108022768 B CN 108022768B CN 201711107269 A CN201711107269 A CN 201711107269A CN 108022768 B CN108022768 B CN 108022768B
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CN
China
Prior art keywords
connector
switching
ontology
portions
connector portions
Prior art date
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Active
Application number
CN201711107269.XA
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Chinese (zh)
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CN108022768A (en
Inventor
赵建磊
江经华
贺晶晶
林一泓
张银穗
张超军
卞志文
李俊锋
孙清超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
Pinggao Group Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd
Pinggao Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Fujian Electric Power Co Ltd, Pinggao Group Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711107269.XA priority Critical patent/CN108022768B/en
Publication of CN108022768A publication Critical patent/CN108022768A/en
Application granted granted Critical
Publication of CN108022768B publication Critical patent/CN108022768B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/62Lubricating means structurally associated with the switch
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/42Driving mechanisms

Abstract

The present invention provides a kind of device for switching, to realize the step-less adjustment of propeller shaft length between operating mechanism and device for switching ontology.Device for switching includes device for switching ontology and operating mechanism, device for switching ontology includes ontology input shaft, operating mechanism includes the mechanism output shaft along axial reciprocating direct acting, mechanism output shaft one end is equipped with mechanism connector portions, ontology input shaft is equipped with ontology connector portions towards one end of mechanism output shaft, the axially opposing fixation of two joint portions, it is circumferentially opposed be rotationally assembled together, at least one connector portions in two joint portions along mechanism output shaft direct acting direction spiral adjustably spinning on corresponding axis.Connector portions in the present invention can rotate assembly of the arbitrary angle without will affect two connector portions, realize step-less adjustment, without considering the angle of assembling and assembly direction of two connector portions.

Description

A kind of device for switching
Technical field
The present invention relates to a kind of device for switching.
Background technique
Breaker includes breaker body (i.e. device for switching ontology) and operating mechanism, and operating mechanism and breaker body are logical It crosses transmission shaft to be connected, transmission shaft includes mechanism output shaft and ontology input shaft.It is equipped with and ontology input shaft phase in breaker body Connecting lever and moving contact even.In use, mechanism output shaft drives ontology input shaft along the axially directed reciprocal shifting of mechanism output shaft It is dynamic, and then connecting lever and moving contact movement is driven to realize the switch closing and switch opening of breaker.Transmission shaft further includes that setting is exported in mechanism Connection structure between axis and ontology input shaft, connection structure include with operating mechanism the first connector for being connected of output axle thread and Flange is installed on corresponding one end of the second connector being connected with ontology input axle thread, the first connector and the second connector Disk, on ring flange it is circumferentially spaced be disposed with multiple uses when corresponding perforation connecting hole.In use, with bolt or pin shaft etc. Two ring flanges are fixed together by structure after penetrating connecting hole.
In the prior art, in initial installation, when the length for needing to adjust transmission shaft, by the first connector of rotation and/or Second connector adjusts the depth that the connector screws in respective shaft, comes the distance between adjustment mechanism output shaft and ontology input shaft, And then adjust the entire length of transmission shaft.But due to the docking of the first connector and the second connector by ring flange realize, And the circumferentially spaced arrangement of butt hole on ring flange, therefore, in order to guarantee that the connecting hole and second of the first joint flange disk connects The corresponding perforation of the connecting hole of head flange disk, the first connector and the second connector enclose number as defined in can only rotating during rotation, Such as one circle, half-turn or a quarter circle, cannot achieve step-less adjustment, cause the transmission between operating mechanism and breaker body The length of axis cannot achieve step-less adjustment, the needs not being able to satisfy during practical adjustments.In other device for switching, such as it is isolated In switch, there is also above-mentioned technical problems.
Summary of the invention
The purpose of the present invention is to provide one kind to realize propeller shaft length between operating mechanism and device for switching ontology The device for switching of step-less adjustment, with solve prior art center tap can only rotate as defined in circle number and lead to not realize stepless-adjustment The problem of section.
To achieve the above object, the technical solution of device for switching of the present invention is: a kind of device for switching, including device for switching sheet Body and operating mechanism, device for switching ontology include ontology input shaft, and operating mechanism includes the mechanism output along axial reciprocating direct acting Axis, mechanism output shaft one end are equipped with mechanism connector portions, and ontology input shaft is equipped with ontology connector portions towards one end of mechanism output shaft, The axially opposing fixation of two joint portions, it is circumferentially opposed be rotationally assembled together, at least one connector portions in two joint portions are along machine Structure output shaft direct acting direction spiral adjustably spinning on corresponding axis.
The beneficial effects of the present invention are: device for switching provided by the invention includes device for switching ontology and operating mechanism, behaviour Make mechanism mechanism output shaft can along axial reciprocating direct acting and drive ontology input shaft act.The machine being arranged on mechanism output shaft The axially opposing fixation of ontology connector portions that is arranged in structure connector portions and ontology input shaft, it is circumferentially opposed be rotationally assembled together, And at least one of which connector portions screw thread spinning is on corresponding axis.In use, swivel portion, which can adjust, screws in corresponding axis Reach, and since two connector portions are relatively fixed in the axial direction, swivel portion can adjust ontology input shaft and machine The distance between structure output shaft, and then have adjusted the length of transmission shaft.Connector portions of the invention can rotate arbitrary angle and The assembly that will not influence two connector portions, realizes step-less adjustment, without considering angle of assembling and the assembly side of two connector portions To.
Further, device for switching includes the connector sleeve being rotatably sheathed on the outside of two joint portions, is corresponded on connector sleeve Two joint portions is respectively equipped with the pushing part of the thrusting action power to the application of corresponding connector portions towards another connector portions direction, two connectors Portion the connector sleeve two pushing parts effect under in the axial direction pushing tow cooperation so that two joint portions it is relatively fixed in the axial direction, It is assembled together in relative rotation in circumferential direction.
Further, the radial flange of pushing part pushing tow cooperation corresponding on connector sleeve is respectively equipped in two joint portions, The outer peripheral surface of radial flange jacket wall clearance fit corresponding to the connector sleeve.
Further, each pushing part of connector sleeve is the ring being gradually reduced away from the direction size of corresponding connector portions The shape conical surface.
Further, connector sleeve includes two semi-rings being docking together, and semi-ring includes half ring body, the ring of half ring body Shape two sides are equipped with flange butt joint edge, and half ring body is equipped with the pushing part, and flange butt joint edge is equipped with bolt penetration hole.
Further, it being installed with connector in a connector portions in two connector portions, another is equipped with radial flange, Connector be equipped be caught in for radial flange with radial flange groove relatively-stationary in the axial direction, the outer peripheral surface of radial flange Cell wall clearance fit corresponding to groove.
Further, device for switching ontology is equipped with guiding mounting base, is equipped in guiding mounting base and wears for ontology input shaft The mounting hole of dress, the part that axial end portion is located in mounting hole wall are equipped with dustband.
Further, mounting hole wall is equipped with air seal circle, and air seal circle includes lip towards device for switching sheet Second gas sealing ring of the first gas sealing ring and lip of body direction towards operating mechanism direction.
Further, it is additionally provided with guide ring mounting groove in mounting hole wall, guide ring is equipped in guide ring mounting groove, it is described The quantity of guide ring is at least two and along mounting hole axially and symmetrically in mounting hole wall on the part of close end.
Further, the axial intermediate part that is located at of mounting hole wall is equipped with grease trough, is equipped in grease trough Lubricating grease.
Detailed description of the invention
Fig. 1 is the schematic diagram of breaker in device for switching embodiment 1 of the present invention;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Fig. 3 is operating mechanism transmission shaft in device for switching embodiment 2 of the present invention and the schematic diagram at connecting lever transmission shaft docking.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment 1 of device for switching of the invention, as shown in Figure 1 to Figure 2, in the present embodiment, device for switching is disconnected Road device, breaker include breaker body 1 and operating mechanism 2, and breaker body 1 and operating mechanism 2 are realized by transmission shaft to be passed Dynamic to be connected, transmission shaft includes operating mechanism transmission shaft 7 and connecting lever transmission shaft 8, in the left end Screw assembly of operating mechanism transmission shaft 7 There is the first connector 5, has the second connector 6 in the right end Screw assembly of connecting lever transmission shaft 8.
The guiding of connecting lever transmission shaft 8 is mounted on breaker body 1, and guiding peace is equipped on the shell of breaker body 1 Seat 9 is filled, guiding mounting base 9 is equipped with mounting hole, and the guiding of connecting lever transmission shaft 8 is installed in mounting hole, and one end of connecting lever transmission shaft 8 connects It is connected to connecting lever, connecting lever is connected with moving contact transmission, realizes breaker by the mobile drive moving contact movement of connecting lever transmission shaft 8 Switching on and off.Radial flange 15 is equipped on the left end of the right end of second connector 6 and the first connector 5.As seen from Figure 1, radial Flange 15 has the circular cone being gradually reduced towards the direction size where respective transmission shaft.
It is equipped with connector sleeve in the outer sheath of the first connector 5 and the second connector 6, connector sleeve is formed by two semi-ring spiral-locks , semi-ring includes half ring body, and the annular two sides of half ring body are equipped with flange butt joint edge, and flange butt joint edge is worn equipped with bolt Hole, when installation, two semi-rings 3 are docking together by fastening bolt 4 after passing through the bolt penetration holes of two flange butt joint edges.Semi-ring 3 Mating surface with the mutual block cooperation in the axial direction of the circular cone with radial flange 15, the mating surface of two semi-rings shape together Two connectors are compressed jointly, are made at the top pressure face pressed to the circular cone of radial flange 15, two top pressure faces of connector sleeve Pushing tow cooperates two connectors in the axial direction, realizes two connectors in the axial direction relatively fixed.Meanwhile the connection in the present invention In set, there is gap between the outer peripheral surface of radial flange 15 and the corresponding jacket wall of connector sleeve, radial flange 15 can be made to connect It puts on and is circumferentially rotated.
In use, when needing to adjust the distance between operating mechanism and connecting lever (i.e. the entire length of transmission shaft), rotation Both second connector 6 or the first connector 5, or rotate simultaneously, so that the second connector 6, the first connector 5 is screwed in corresponding transmission Depth in axis changes.Since the first connector 5 and the second connector 6 are relatively fixed in the axial direction, and then pass operating mechanism Moving axis, connecting lever transmission shaft, the first connector, the second connector total length change.Moreover, the second connector, the first connector To carry out 360 ° of rotation around axis, the second connector, the first connector can be rotated arbitrary angle by when adjustment.With the prior art In the second connector, the first connector can only rotate specific angle and compare, the present invention realizes step-less adjustment, can satisfy practical tune The adjusting of any distance when whole.
Mounting base 9 is oriented to it can be seen from Fig. 1 and Fig. 2 can be such that guiding mounting base 9 is fixedly mounted equipped with bolt penetration hole On breaker body 1.It is oriented on the flange face of mounting base 9 being sticked with breaker body 1 and O-ring seal 10 is installed, prevent Only SF at the flange face6Gas leakage, the O-ring seal 10 are only used for the air seal in quiet face.In the installation of guiding mounting base The both ends of hole hole wall are respectively equipped with a dustband 11, for preventing external dust and water from entering in breaker body, play Outermost protective action.Three air seal circles 12 are also equipped between two dustbands 11, which uses It is different in the direction of the envelope gas of motive position, the lip of three sealing rings.From figure 2 it can be seen that lip is towards operating mechanism The air seal circle 12 of side be in order to prevent when breaker body air chamber pressure be less than external pressure when outside gas enter Into breaker body gas chamber.The air seal circle 12 of lip towards breaker body side is to work as breaker body in order to prevent Air chamber pressure prevents gas by overflowing in breaker body gas chamber when being greater than external pressure.Due in use process usually, In most cases breaker body air chamber pressure is greater than external pressure, therefore, gas of the lip towards breaker body side The quantity of sealing ring is two, more than another air seal circle in quantity.In other embodiments, lip is towards breaker sheet The quantity of the air seal circle of body side can be equal to the quantity of another air seal circle.In guiding mounting base mounting hole also Equipped with guide ring 13, be oriented to for the movement to connecting lever transmission shaft, in Fig. 2 it can be seen from guide ring along axial width It spends larger, the length of guiding can be increased, and the quantity of guide ring is two and is symmetrically distributed in guiding mounting base mounting hole Both ends, for connecting lever transmission shaft movement and play good guiding function with the transmission connection of connecting lever.In guiding mounting base Mounting hole wall on be additionally provided with grease trough (being not drawn into figure), in grease trough be equipped with lubricating grease 14, for connecting lever pass Lubrication in moving axis moving process significantly reduces the resistance in motion process, and plays the role of cooling.
Breaker in the present invention, guiding mounting base will seal gas, dust-proof, waterproof, guiding, the functions such as lubrication combine in it is same In component, multiple functions are realized, structure is simple, high reliablity.
In the present embodiment, the first connector and the second connector constitute connector portions, connector portions include the end pressed mutually and The threaded portion connected with corresponding transmission axle thread, two parts are integrally designed.In other embodiments, two parts can be Split type structure.
In the present embodiment, operating mechanism transmission shaft is mechanism output shaft, and connecting lever transmission shaft is ontology input shaft.First Connector is mechanism connector portions, and the second connector is ontology connector portions.
The specific embodiment 2 of device for switching of the present invention, as shown in figure 3, essentially consisted in the difference of embodiment 1, this In embodiment, it is equipped with radial flange 3 on the first connector 1, connector 4 is equipped on the second connector 2, is equipped with and supplies in connector 4 The cooperation of the groove that radial flange 3 is caught in, radial flange and groove realizes the axial direction between the first connector 1 and the second connector 2 It is relatively fixed, while there is gap between the outer peripheral surface and groove of radial flange 3, it can be rotated, be realized for radial flange 3 The circumferentially opposed rotation of first connector 1 and the second connector 2.
In other embodiments, bearing block is set in the outside of two connectors, axially disposed two are stopped in bearing block Thrust bearing, the corresponding end of two connectors are separately fixed in corresponding thrust bearing, realize the axially opposing of two connector portions Fixed, circumferentially opposed rotation.
In the present embodiment, operating mechanism transmission shaft is mechanism output shaft, and connecting lever transmission shaft is ontology input shaft.First Connector is ontology connector portions, and the second connector is mechanism connector portions.
In the above embodiments, the equal screw thread spinning of two connector portions, in other embodiments, can on corresponding transmission shaft Only to make one of screw thread spinning in being fixed at another on corresponding transmission shaft on corresponding transmission shaft.
In the above embodiments, the pushing tow face on connector sleeve is to match on connector sleeve with the circular cone pushing tow of radial flange The circular cone of conjunction, as pushing part.
The present embodiment is illustrated by taking breaker as an example, and in other embodiments, device for switching may be other Switch, such as disconnecting switch.
The above is only the preferred embodiment of the present invention, it should be pointed out that: those skilled in the art are come It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as Protection scope of the present invention.

Claims (5)

1. a kind of device for switching, including device for switching ontology and operating mechanism, device for switching ontology includes ontology input shaft, operation Mechanism includes the mechanism output shaft along axial reciprocating direct acting, it is characterised in that: and mechanism output shaft one end is equipped with mechanism connector portions, this Body input shaft is equipped with ontology connector portions, the axially opposing fixation of two joint portions, circumferentially opposed rotation towards one end of mechanism output shaft Ground is assembled together, at least one connector portions in two joint portions along mechanism output shaft direct acting direction spiral adjustably spinning in phase It answers on axis, device for switching includes the connector sleeve being rotatably sheathed on the outside of two joint portions, and two joint portions point is corresponded on connector sleeve The pushing part towards the thrusting action power in another connector portions direction She You not be applied to corresponding connector portions, two joint portions is in the company Under the two pushing parts effect of female connector in the axial direction pushing tow cooperation so that two joint portions is relatively fixed in the axial direction, opposite in circumferential direction It is rotationally assembled together, the radial flange of pushing part pushing tow cooperation corresponding on connector sleeve is respectively equipped in two joint portions, The outer peripheral surface of radial flange jacket wall clearance fit corresponding to the connector sleeve, each pushing part of connector sleeve are away from phase The circular cone for answering the direction size of connector portions to be gradually reduced, connector sleeve include two semi-rings being docking together, and semi-ring includes Half ring body, the annular two sides of half ring body are equipped with flange butt joint edge, and half ring body is equipped with the pushing part, flange docking Side is equipped with bolt penetration hole.
2. device for switching according to claim 1, it is characterised in that: device for switching ontology is equipped with guiding mounting base, leads The mounting hole installed for ontology input shaft is equipped with into mounting base, the part that axial end portion is located in mounting hole wall, which is equipped with, prevents Konisphere.
3. device for switching according to claim 2, it is characterised in that: mounting hole wall is equipped with air seal circle, gas Sealing ring includes lip towards where the first gas sealing ring of device for switching ontology direction and lip towards operating mechanism The second gas sealing ring in direction.
4. device for switching according to claim 2, it is characterised in that: guide ring mounting groove is additionally provided in mounting hole wall, Guide ring is equipped in guide ring mounting groove, the quantity of the guide ring is at least two and is axially and symmetrically set to peace along mounting hole It fills in the hole wall of hole on the part of close end.
5. device for switching according to claim 2, it is characterised in that: mounting hole wall is located on axial intermediate part Equipped with grease trough, lubricating grease is equipped in grease trough.
CN201711107269.XA 2017-11-10 2017-11-10 A kind of device for switching Active CN108022768B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711107269.XA CN108022768B (en) 2017-11-10 2017-11-10 A kind of device for switching

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Application Number Priority Date Filing Date Title
CN201711107269.XA CN108022768B (en) 2017-11-10 2017-11-10 A kind of device for switching

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CN108022768B true CN108022768B (en) 2019-11-08

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JP2010272359A (en) * 2009-05-21 2010-12-02 Mitsubishi Electric Corp Operation device
CN102737870A (en) * 2012-06-29 2012-10-17 平高集团有限公司 Circuit breaker operation mechanism
CN203225199U (en) * 2013-04-17 2013-10-02 中国西电电气股份有限公司 Transmission insulating connecting rod mechanism used for disconnector equipment
CN203617164U (en) * 2013-11-15 2014-05-28 重庆重开电气有限公司 Horizontal connecting rod of grounding switch
CN105201923A (en) * 2015-10-28 2015-12-30 珠海格力电器股份有限公司 Draught fan absorber and draught fan
CN106481798A (en) * 2016-11-15 2017-03-08 北京特种机械研究所 Electric cylinder fairlead lubricating channels structure and grease adding method
CN106960757A (en) * 2017-04-05 2017-07-18 平高集团有限公司 A kind of rod assembly and the breaker using the rod assembly

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Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2381868Y (en) * 1999-06-18 2000-06-07 邵迎春 Cup joint for pipes
JP2010272359A (en) * 2009-05-21 2010-12-02 Mitsubishi Electric Corp Operation device
CN201663092U (en) * 2010-02-04 2010-12-01 宁波华通电器集团股份有限公司 Interphase connecting rods of self-energy high-voltage sulphur hexafluoride circuit breaker
CN102737870A (en) * 2012-06-29 2012-10-17 平高集团有限公司 Circuit breaker operation mechanism
CN203225199U (en) * 2013-04-17 2013-10-02 中国西电电气股份有限公司 Transmission insulating connecting rod mechanism used for disconnector equipment
CN203617164U (en) * 2013-11-15 2014-05-28 重庆重开电气有限公司 Horizontal connecting rod of grounding switch
CN105201923A (en) * 2015-10-28 2015-12-30 珠海格力电器股份有限公司 Draught fan absorber and draught fan
CN106481798A (en) * 2016-11-15 2017-03-08 北京特种机械研究所 Electric cylinder fairlead lubricating channels structure and grease adding method
CN106960757A (en) * 2017-04-05 2017-07-18 平高集团有限公司 A kind of rod assembly and the breaker using the rod assembly

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Inventor after: Xu Fucong

Inventor after: Sun Qingchao

Inventor after: Zhao Jianlei

Inventor after: Jiang Jinghua

Inventor after: He Jingjing

Inventor after: Lin Yihong

Inventor after: Zhang Yinsui

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Address after: South East of Pingdingshan city in Henan province 467001 No. 22

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Patentee after: STATE GRID FUJIAN ELECTRIC POWER Research Institute

Address before: South East of Pingdingshan city in Henan province 467001 No. 22

Patentee before: PINGGAO GROUP Co.,Ltd.

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Patentee before: STATE GRID FUJIAN ELECTRIC POWER Research Institute