CN108022768A - A kind of device for switching - Google Patents
A kind of device for switching Download PDFInfo
- Publication number
- CN108022768A CN108022768A CN201711107269.XA CN201711107269A CN108022768A CN 108022768 A CN108022768 A CN 108022768A CN 201711107269 A CN201711107269 A CN 201711107269A CN 108022768 A CN108022768 A CN 108022768A
- Authority
- CN
- China
- Prior art keywords
- connector
- switching
- portions
- connector portions
- output shaft
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/62—Lubricating means structurally associated with the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
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 body.Device for switching includes device for switching body and operating mechanism, device for switching body includes body input shaft, operating mechanism includes the mechanism output shaft of reciprocal direct acting vertically, mechanism output shaft one end is equipped with mechanism connector portions, body input shaft is equipped with body 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 the spiral adjustably spinning in mechanism output shaft direct acting direction on corresponding axis.Connector portions in the present invention can rotate assembling of the arbitrary angle without influencing two connector portions, step-less adjustment be realized, without considering the angle of assembling and assembly direction of two connector portions.
Description
Technical field
The present invention relates to a kind of device for switching.
Background technology
Breaker includes breaker body（That is device for switching body）And operating mechanism, operating mechanism and breaker body lead to
Cross transmission shaft to be connected, transmission shaft includes mechanism output shaft and body input shaft.The body of the circuit breaker is equipped with and body input shaft phase
Connecting lever and moving contact even.In use, mechanism output shaft drives axially directed reciprocal shifting of the body input shaft along mechanism output shaft
It is dynamic, and then drive connecting lever and moving contact action to realize the switch closing and switch opening of breaker.Transmission shaft, which further includes, is arranged on mechanism output
Connection structure between axis and body input shaft, connection structure include with operating mechanism the first connector for being connected of output axle thread and
Flange is installed with corresponding one end of the second connector being connected with body input axle thread, the first connector and the second connector
Disk, on ring flange it is circumferentially spaced be disposed with multiple uses when correspond to perforation connecting hole.In use, with bolt or axis pin 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 rotate the first connector and/or
Second connector adjusts the depth in connector screw-in respective shaft, comes the distance between adjustment mechanism output shaft and body input shaft,
And then adjust the entire length of transmission shaft.But since the docking of the first connector and the second connector is realized by ring flange,
And the circumferentially spaced arrangement of butt hole on ring flange, therefore, in order to ensure that the connecting hole of the first joint flange disk and second connects
The connecting hole of head flange disk corresponds to perforation, and the first connector and the second connector can only rotate the defined number of turns during rotating,
Such as one circle, half-turn or a quarter circle, can not realize step-less adjustment, cause the transmission between operating mechanism and breaker body
The length of axis can not realize step-less adjustment, it is impossible to meet the needs during practical adjustments.In other device for switching, such as isolate
In switch, there is also above-mentioned technical problem.
The content of the invention
It is an object of the invention to provide one kind to realize propeller shaft length between operating mechanism and device for switching body
The device for switching of step-less adjustment, with solve prior art center tap can only rotate as defined in the number of turns 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 body include body input shaft, and operating mechanism includes the mechanism output of reciprocal direct acting vertically
Axis, mechanism output shaft one end are equipped with mechanism connector portions, and body input shaft is equipped with body 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
The spiral adjustably spinning in structure output shaft direct acting direction is on corresponding axis.
The beneficial effects of the invention are as follows：Device for switching provided by the invention includes device for switching body and operating mechanism, behaviour
Make mechanism mechanism output shaft can vertically reciprocal direct acting and drive body input shaft act.The machine set on mechanism output shaft
The axially opposing fixation of body connector portions that is set in structure connector portions and body 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 body input shaft and machine
The distance between structure output shaft, and then have adjusted the length of transmission shaft.The connector portions of the present invention can rotate arbitrary angle and
The assembling of two connector portions is not interfered with, realizes step-less adjustment, without considering angle of assembling and the assembling side of two connector portions
To.
Further, device for switching includes rotatably being sheathed on the connector sleeve on the outside of two joint portions, corresponding on connector sleeve
Two joint portions is respectively equipped with the pushing part for applying the thrusting action power towards another connector portions direction to corresponding connector portions, two connectors
Portion the connector sleeve two pushing parts effect under in the axial direction pushing tow coordinate so that two joint portions be relatively fixed in the axial direction,
It is assembled together in relative rotation in circumferential direction.
Further, the radial flange that pushing part pushing tow corresponding with connector sleeve coordinates is respectively equipped with two joint portions,
The outer circumferential 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 both 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, connector being installed with a connector portions in two connector portions, another is equipped with radial flange,
Connector be equipped with for radial flange be caught in and radial flange groove relatively-stationary in the axial direction, the outer circumferential surface of radial flange
Cell wall clearance fit corresponding to groove.
Further, device for switching body, which is equipped with, is oriented to mounting base, is oriented to be equipped with mounting base and is worn for body input shaft
The mounting hole of dress, the part in mounting hole hole wall positioned at axial end portion are equipped with dustband.
Further, mounting hole 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 in body place direction towards direction where operating mechanism.
Further, guide ring mounting groove is additionally provided with mounting hole hole wall, guide ring is equipped with guide ring mounting groove, it is described
The quantity of guide ring is at least two and being axially and symmetrically arranged in mounting hole hole wall by the part of close end along mounting hole.
Further, the part among axial of mounting hole hole wall is equipped with grease trough, is equipped with grease trough
Lubricating grease.
Brief description of the drawings
Fig. 1 is the schematic diagram of breaker in device for switching embodiment 1 of the present invention；
Fig. 2 is the enlarged drawing at A in Fig. 1；
Fig. 3 is the schematic diagram of operating mechanism transmission shaft and connecting lever transmission shaft joint in device for switching embodiment 2 of the present invention.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the device for switching of the present 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, have the second connector 6 in the right end Screw assembly of connecting lever transmission shaft 8.
Connecting lever transmission shaft 8, which is oriented to, to be installed on breaker body 1, and guiding peace is provided with the housing of breaker body 1
Seat 9 is filled, mounting base 9 is oriented to and is equipped with mounting hole, connecting lever transmission shaft 8 is oriented to and is installed in mounting hole, and one end of connecting lever transmission shaft 8 connects
Connecting lever is connected to, connecting lever is connected with moving contact transmission, and breaker is realized by the mobile drive moving contact action of connecting lever transmission shaft 8
Divide, close a floodgate.Radial flange 15 is equipped with the left end of the right end of second connector 6 and the first connector 5.As seen from Figure 1, radially
Flange 15 has the circular cone being gradually reduced towards the direction size where respective transmission shaft.
Connector sleeve is equipped with 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 both sides of half ring body are equipped with flange butt joint edge, and flange butt joint edge is worn equipped with bolt
Hole, during installation, two semi-rings 3 through being docking together after the bolt penetration hole of two flange butt joint edges by fastening bolt 4.Semi-ring 3
With the mating surface that mutual block coordinates in the axial direction of the circular cone with radial flange 15, the mating surfaces of two semi-rings shape together
Into the top pressure face of the circular cone top pressure to radial flange 15, two top pressure faces of connector sleeve compress two connectors jointly, make
Pushing tow coordinates two connectors in the axial direction, realizes two connectors being relatively fixed in the axial direction.Meanwhile the connection in the present invention
In set, there is gap between the outer circumferential surface of radial flange 15 and the corresponding jacket wall of connector sleeve, can connect radial flange 15
Put on and circumferentially rotated.
In use, working as needs to adjust the distance between operating mechanism and connecting lever（That is the entire length of transmission shaft）When, rotate
Second connector 6 or the first connector 5, or both are rotated at the same time, 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 total length of the second connector 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, disclosure satisfy that actual 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 fixedly mounted guiding mounting base 9 equipped with bolt penetration hole
On breaker body 1.It is oriented on the flange face being sticked with breaker body 1 of mounting base 9 and O-ring seal 10 is installed, prevents
Only SF at the flange face6Gas leaks, which is only used for the air seal in quiet face.It is being oriented to the installation of mounting base
The both ends of hole hole wall are respectively equipped with a dustband 11, and the dust and water for preventing outside enter the body of the circuit breaker, play
Outermost protective action.Three air seal circles 12 are also equipped between two dustbands 11, which uses
It is different in the envelope gas of motive position, the direction of 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 is less than external pressure 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 being overflowed in breaker body gas chamber when being more than external pressure.Due to during use usually,
In most cases breaker body air chamber pressure is more 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 mounting base mounting hole is oriented to 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 the width of guide ring vertically
Spend larger, by increasing capacitance it is possible to increase the length of guiding, and also 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 drive connection of connecting lever.It is being oriented to mounting base
Mounting hole hole wall on be additionally provided with grease trough（It is not drawn into figure）, lubricating grease 14 is equipped with grease trough, is passed for connecting lever
Lubrication in moving axis moving process, significantly reduces the resistance in motion process, and plays the role of cooling.
Breaker in the present invention, be oriented to mounting base will seal gas, dust-proof, waterproof, guiding, the function such as lubrication combine in it is same
In component, multiple functions are realized, simple in structure, reliability is high.
In the present embodiment, the first connector and the second connector constitute connector portions, connector portions include mutual top pressure end and
The threaded portion being connected with corresponding transmission axle thread, two part Integral designs.In other embodiments, two parts can be
Split structure.
In the present embodiment, operating mechanism transmission shaft is mechanism output shaft, and connecting lever transmission shaft is body input shaft.First
Connector is mechanism connector portions, and the second connector is body 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, radial flange 3 is equipped with the first connector 1, connector 4 is equipped with 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 circumferential surface and groove of radial flange 3, can be rotated for radial flange 3, is realized
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 body input shaft.First
Connector is body 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 making another be fixed on corresponding transmission shaft on corresponding transmission shaft.
In the above embodiments, the pushing tow face on connector sleeve is that the circular cone pushing tow on connector sleeve with radial flange is matched somebody with somebody
The circular cone of conjunction, is pushing part.
The present embodiment is illustrated by taking breaker as an example, and in other embodiments, device for switching can also be other
Switch, such as disconnecting switch.
It the above is only the preferred embodiment of the present invention, it should be pointed out that：Come for those skilled in the art
Say, 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 (10)
1. a kind of device for switching, including device for switching body and operating mechanism, device for switching body includes body input shaft, operation
Mechanism includes the mechanism output shaft of reciprocal direct acting vertically, it is characterised in that：Mechanism output shaft one end is equipped with mechanism connector portions, this
Body input shaft is equipped with body connector portions, the axially opposing fixation of two joint portions, circumferentially opposed rotation towards one end of mechanism output shaft
Ground is assembled together, and at least one connector portions in two joint portions are along the spiral adjustably spinning in mechanism output shaft direct acting direction in phase
Answer on axis.
2. device for switching according to claim 1, it is characterised in that：Device for switching includes rotatably being sheathed on two connectors
Connector sleeve on the outside of portion, two joint portions is corresponded on connector sleeve and is respectively equipped with to corresponding connector portions applies towards another connector portions direction
Thrusting action power pushing part, two joint portions the connector sleeve two pushing parts effect under in the axial direction pushing tow coordinate so that
Two joint portions is obtained to be relatively fixed, be assembled together in relative rotation in circumferential direction in the axial direction.
3. device for switching according to claim 2, it is characterised in that：It is respectively equipped with two joint portions and pair on connector sleeve
The radial flange for answering pushing part pushing tow to coordinate, the outer circumferential surface of radial flange jacket wall clearance fit corresponding to the connector sleeve.
4. device for switching according to claim 3, it is characterised in that：Each pushing part of connector sleeve is away from corresponding
The circular cone that the direction size of connector portions is gradually reduced.
5. device for switching according to claim 2, it is characterised in that：Connector sleeve includes two semi-rings being docking together,
Semi-ring includes half ring body, and the annular both sides of half ring body are equipped with flange butt joint edge, and half ring body is equipped with the pushing part,
Flange butt joint edge is equipped with bolt penetration hole.
6. device for switching according to claim 1, it is characterised in that：It is installed with a connector portions in two connector portions
Connector, another is equipped with radial flange, connector be equipped be caught in for radial flange with radial flange phase in the axial direction
To fixed groove, the outer circumferential surface cell wall clearance fit corresponding to groove of radial flange.
7. according to the device for switching described in claim 1-6 any one, it is characterised in that：Device for switching body, which is equipped with, to be oriented to
Mounting base, is oriented to the mounting hole for being equipped with mounting base and being installed for body input shaft, and the portion of axial end portion is located in mounting hole hole wall
Divide and be equipped with dustband.
8. device for switching according to claim 7, it is characterised in that：Mounting hole hole wall is equipped with air seal circle, gas
Sealing ring is included where lip towards the first gas sealing ring and lip towards operating mechanism in direction where device for switching body
The second gas sealing ring in direction.
9. device for switching according to claim 7, it is characterised in that：Guide ring mounting groove is additionally provided with mounting hole hole wall,
Guide ring is equipped with guide ring mounting groove, the quantity of the guide ring is at least two and is axially and symmetrically arranged on peace along mounting hole
Fill in the hole wall of hole by the part of close end.
10. device for switching according to claim 7, it is characterised in that：The part being located among axial of mounting hole hole wall
Grease trough is equipped with, lubricating grease is equipped with grease trough.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711107269.XA CN108022768B (en) | 2017-11-10 | 2017-11-10 | A kind of device for switching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108022768A true CN108022768A (en) | 2018-05-11 |
| CN108022768B CN108022768B (en) | 2019-11-08 |
Family
ID=62079771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711107269.XA Active CN108022768B (en) | 2017-11-10 | 2017-11-10 | A kind of device for switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108022768B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175465Y (en) * | 1993-06-23 | 1994-08-24 | 李全生 | High voltage switch apparatus |
| CN2381868Y (en) * | 1999-06-18 | 2000-06-07 | 邵迎春 | Cup joint for pipes |
| CN2821354Y (en) * | 2005-06-15 | 2006-09-27 | 乔狮雄 | Simple pipeline connecting structure |
| CN2867046Y (en) * | 2005-11-29 | 2007-02-07 | 西北工业大学 | High temperature resisting rotary sealed joint |
| 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 |
| JP2010272359A (en) * | 2009-05-21 | 2010-12-02 | Mitsubishi Electric Corp | Operation device |
| CN201739670U (en) * | 2010-08-02 | 2011-02-09 | 四川道远环保设备有限公司 | Novel sandblast swivel joint |
| CN102737870A (en) * | 2012-06-29 | 2012-10-17 | 平高集团有限公司 | Circuit breaker operation mechanism |
| CN102810429A (en) * | 2012-08-08 | 2012-12-05 | 沈阳华德海泰电器有限公司 | Flexible structure of dynamic end conductive rod and insulating tension rod of vacuum arc-extinguishing chamber |
| 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 |
| CN103998841A (en) * | 2011-10-21 | 2014-08-20 | 玛努利橡胶工业有限公司 | Rotatable joint |
| CN204204734U (en) * | 2014-04-30 | 2015-03-11 | 南京南瑞集团公司 | A kind of insulated tension pole module for SF6 gas-insulated ring network cabinet breaker |
| 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 |
| CN204985208U (en) * | 2015-10-10 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Draw horse to use rotary joint |
| CN205159191U (en) * | 2015-10-22 | 2016-04-13 | 林代湘 | Can conveniently adjust circuit breaker of opening distance and contacting travel |
| 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 |
-
2017
- 2017-11-10 CN CN201711107269.XA patent/CN108022768B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2175465Y (en) * | 1993-06-23 | 1994-08-24 | 李全生 | High voltage switch apparatus |
| CN2381868Y (en) * | 1999-06-18 | 2000-06-07 | 邵迎春 | Cup joint for pipes |
| CN2821354Y (en) * | 2005-06-15 | 2006-09-27 | 乔狮雄 | Simple pipeline connecting structure |
| CN2867046Y (en) * | 2005-11-29 | 2007-02-07 | 西北工业大学 | High temperature resisting rotary sealed joint |
| 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 |
| CN201739670U (en) * | 2010-08-02 | 2011-02-09 | 四川道远环保设备有限公司 | Novel sandblast swivel joint |
| CN103998841A (en) * | 2011-10-21 | 2014-08-20 | 玛努利橡胶工业有限公司 | Rotatable joint |
| CN102737870A (en) * | 2012-06-29 | 2012-10-17 | 平高集团有限公司 | Circuit breaker operation mechanism |
| CN102810429A (en) * | 2012-08-08 | 2012-12-05 | 沈阳华德海泰电器有限公司 | Flexible structure of dynamic end conductive rod and insulating tension rod of vacuum arc-extinguishing chamber |
| 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 |
| CN204204734U (en) * | 2014-04-30 | 2015-03-11 | 南京南瑞集团公司 | A kind of insulated tension pole module for SF6 gas-insulated ring network cabinet breaker |
| CN204985208U (en) * | 2015-10-10 | 2016-01-20 | 安徽江淮汽车股份有限公司 | Draw horse to use rotary joint |
| CN205159191U (en) * | 2015-10-22 | 2016-04-13 | 林代湘 | Can conveniently adjust circuit breaker of opening distance and contacting travel |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108022768B (en) | 2019-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5546638B2 (en) | Planetary gear mechanism and wind power generator | |
| US10714922B2 (en) | Cable gland compression limiter | |
| CN111342608A (en) | Motor, motor driving system, electric push rod and electric speed reducer | |
| CN106347618A (en) | Underwater propeller propelling device | |
| CN207333609U (en) | Push rod seal structure and electric pushrod | |
| CN108022768A (en) | A kind of device for switching | |
| CN210919813U (en) | Joint bearing for main driving assembly of shield tunneling machine and shield tunneling machine | |
| CN218997315U (en) | Hydraulic and electric combined rotary joint | |
| JP2022552058A (en) | linear actuator | |
| JP2609573B2 (en) | Jack screw shaft guide device | |
| CN109737193A (en) | Taper roller lead screw pair and sealing structure | |
| CN108869201B (en) | Lightning protection device and wind generating set | |
| CN110748558A (en) | Dustproof rod end joint bearing | |
| CN105318019A (en) | Dual-broken-shaft type high-performance butterfly valve | |
| CN202884019U (en) | Feeding seal structure of ball mill | |
| CN109681616B (en) | Gear box slip ring seal structure | |
| US20180010680A1 (en) | Rotary sealing arrangement | |
| CN110131399B (en) | Combined precision planetary gear reducer | |
| CN103133672B (en) | A kind of exposed gear automatic lubricator | |
| EP4165323A1 (en) | Inverted ball screw actuator | |
| US10788041B2 (en) | Dual seal arrangement for superchargers | |
| CN212033926U (en) | Integrated integrated torque motor servo electric cylinder | |
| CN201448228U (en) | Pump-used combined seal capable of rotating 360 degrees | |
| CN102561972B (en) | Seal of screw oil pumping unit | |
| CN216077703U (en) | Mechanical sealing element capable of reducing friction force |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
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 Inventor after: Zhang Chaojun Inventor after: Bian Zhiwen Inventor after: Li Junfeng Inventor before: Zhao Jianlei Inventor before: Jiang Jinghua Inventor before: He Jingjing Inventor before: Lin Yihong Inventor before: Zhang Yinsui Inventor before: Zhang Chaojun Inventor before: Bian Zhiwen Inventor before: Li Junfeng Inventor before: Sun Qingchao |
|
| CB03 | Change of inventor or designer information | ||
| CP01 | Change in the name or title of a patent holder |
Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee after: PINGGAO GROUP Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA 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. Patentee before: State Grid Corporation of China Patentee before: STATE GRID FUJIAN ELECTRIC POWER Research Institute |
|
| CP01 | Change in the name or title of a patent holder |