CN207676848U - A kind of earthing switch preventing combined floodgate bite - Google Patents
A kind of earthing switch preventing combined floodgate bite Download PDFInfo
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- CN207676848U CN207676848U CN201721554840.8U CN201721554840U CN207676848U CN 207676848 U CN207676848 U CN 207676848U CN 201721554840 U CN201721554840 U CN 201721554840U CN 207676848 U CN207676848 U CN 207676848U
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- contact
- rod
- combined floodgate
- contact tube
- pedestal
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Abstract
The utility model discloses a kind of earthing switches preventing combined floodgate bite, belong to substation equipment technical field, including contact tube, vertical column, magnetic pole, guiding mechanism and pedestal；The magnetic pole is mounted on the vertical column top and coaxially arranged with the vertical column, and the vertical the upper end of the column is equipped with pedestal；The contact tube is hollow cylinder structure, and lower end internal sleeve is equipped with guide rod, and the upper end of the guide rod and the lower end of the contact tube are coaxially disposed；The lower end of the guide rod is hinged with pedestal；The contact tube is hinged by guiding mechanism and pedestal, swings；The top of the magnetic pole is equipped with static contact component, and the top of the contact tube is equipped with moving contact component.The utility model is coordinated using static contact guide part and moving contact guide part, realizes that moving contact and the smooth of static contact plug together.
Description
Technical field
The utility model belongs to substation equipment technical field more particularly to a kind of earthing switch preventing combined floodgate bite.
Background technology
Earthing knife-switch is attached in disconnecting switch more, as transforming plant primary widely used device, to protect service personnel people
Body safety and relevant device safety.If earthing knife-switch earthing failure, it will cause to cause the switching of substation's line related, overhaul of the equipments work
Work can not carry out on schedule, entail dangers to primary equipment operational safety and service personnel's personal safety when serious, in the prior artly
Knife occur earthing knife-switch pipe in making process rotate to it is rigid close position when, there is the increase of operating force moment, bite occurs in when upward sliding
Phenomenon cannot efficiently accomplish moving contact and be inserted upwardly into static contact action.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of earthing switch preventing combined floodgate bite, simple in structure,
Moving contact and static contact is set effectively smoothly to complete to plug together action.
The utility model is to solve above-mentioned technical problem by the following technical solutions：A kind of anti-combined floodgate bite connects
Ground switchs, including contact tube, vertical column, magnetic pole, guiding mechanism and pedestal；The magnetic pole is mounted on the vertical column top
And it is coaxially arranged with the vertical column, the vertical the upper end of the column is equipped with pedestal；The contact tube is hollow cylinder structure,
Lower end internal sleeve is equipped with guide rod, and the upper end of the guide rod and the lower end of the contact tube are coaxially disposed；The guide rod
Lower end is hinged with pedestal；The contact tube is hinged by guiding mechanism and pedestal, swings；The top of the magnetic pole is set
There are static contact component, the top of the contact tube to be equipped with moving contact component.
Further, multiple idler wheels being vertically arranged are equipped on the guide rod, idler wheel central rotating shaft is fixed on described
On guide rod, the both sides of the edge of the idler wheel pass through the guide rod and are contacted with the conductive inside pipe wall；By traditional sliding
Connection type is changed to be vertically arranged, and has evaded sliding friction structure when earthing knife-switch just closes position, at conductive inside pipe wall and guide rod
The undesirable condition of contact improves the stress of drive mechanism.
Further, the idler wheel includes the laterally steering idler wheel and longitudinally guiding idler wheel of uniform intervals arrangement, the cross
It is vertical to the central rotating shaft of guide roller and the central rotating shaft of longitudinally guiding idler wheel；The inner wall of contact tube is carried out in both direction
Support, uniform force reduce the influence of frictional force.
Further, the longest distance between two laterally steering idler wheels or two longitudinally guiding idler wheels is to lead
Journey, the helical pitch are 550mm；Position is just closed in earthing knife-switch, conductive inside pipe wall is contacted with guide rod stress surface, can keep away guide rod chamfering
Position, at this time force-bearing situation be obviously improved.
Further, the guiding mechanism includes sliding block, first body of rod and second body of rod；The sliding block is set in described lead
Fulgurite lower part, one end of first body of rod and the sliding block are hinged, the other end of first body of rod and second body of rod
One end it is hinged, the other end and the pedestal of second body of rod are hinged.
Further, when the contact tube is in vertical direction, the angular range between first body of rod and contact tube
It is 56 ° -57 °；Pressure angle can be reduced accordingly, effective increase contact tube drives up power.
Further, the static contact component includes static contact and the static contact guide part positioned at static contact both sides；It is described
Moving contact component includes moving contact and moving contact guide part；The static contact is equipped with corresponding with moving contact shape size recessed
Slot, the width between the static contact guide part are corresponding with the outside width of moving contact guide part.
Compared with prior art, a kind of earthing switch preventing combined floodgate bite provided by the utility model, utilizes stationary contact
Head guide part and the cooperation of moving contact guide part, realize that moving contact and the smooth of static contact plug together, and are oriented to using the moving contact of cooperation
The guiding role of part and static contact guide part avoids slight bending deformation occur due to contact tube, causes earthing knife-switch combined floodgate bite existing
The generation of elephant.
Description of the drawings
It, below will be to needed in embodiment description in order to illustrate more clearly of the technical solution of the utility model
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only one embodiment of the utility model, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of earthing switch structural schematic diagram preventing combined floodgate bite of the utility model；
Wherein：1- contact tubes, 2- magnetic poles；
Fig. 2 is a kind of moving contact component and static contact component structural schematic diagram preventing combined floodgate bite of the utility model；
Wherein：4- static contacts, 41- static contact guide parts, 5- moving contacts, 51- moving contact guide parts；
Fig. 3 is a kind of guiding mechanism structural schematic diagram preventing combined floodgate bite of the utility model；
Wherein：1- contact tubes, 3- pedestals, first bodies of rod of 6-, second bodies of rod of 7-, 8- sliding blocks, 9- guide rods, 10- are laterally led
Way roller, 11- longitudinally guiding idler wheels.
Specific implementation mode
With reference to the attached drawing in the utility model embodiment, to this implement it is novel in technical solution carry out it is clear, complete
Site preparation describes, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained under the premise of not making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2, Figure 3 shows, the earthing switch of a kind of prevention combined floodgate bite provided by the utility model, including lead
Fulgurite 1, vertical column, magnetic pole 2, guiding mechanism and pedestal 3；Magnetic pole 2 is mounted on vertical column top and coaxial with vertical column
Arrangement, vertical the upper end of the column are equipped with pedestal 3；Contact tube 1 is hollow cylinder structure, and lower end internal sleeve is equipped with guide rod 9, is oriented to
The upper end of bar 9 is coaxially disposed with the lower end of contact tube 1；The lower end of guide rod 9 is hinged with pedestal 3；Contact tube 1 passes through guiding mechanism
It is hinged with pedestal 3, it swings；The top of magnetic pole 2 is equipped with static contact component, and the top of contact tube 1 is equipped with moving contact group
Part；
Multiple idler wheels being vertically arranged are equipped on guide rod 9, idler wheel central rotating shaft is fixed on guide rod 9, idler wheel
Both sides of the edge pass through guide rod 9 and are contacted with 1 inner wall of contact tube；Idler wheel includes 10 He of laterally steering idler wheel of uniform intervals arrangement
Longitudinally guiding idler wheel 11, the central rotating shaft of laterally steering idler wheel 10 and the central rotating shaft of longitudinally guiding idler wheel 11 are vertical；Two cross
It is helical pitch, helical pitch 550mm to the longest distance between guide roller 10 or two longitudinally guiding idler wheels 11；
Guiding mechanism includes sliding block 8, first body of rod 6 and second body of rod 7；Sliding block 8 is set in 1 lower part of contact tube, the first bar
One end of body 6 is hinged with sliding block 8, and one end of the other end of first body of rod 6 and second body of rod 7 is hinged, the other end of second body of rod 7
It is hinged with pedestal 3；
When contact tube 1 is in vertical direction, the angular range between first body of rod 6 and contact tube 1 is 56 ° -57 °；
Static contact component includes static contact 4 and the static contact guide part 41 positioned at 4 both sides of static contact；Moving contact component includes
Moving contact 5 and moving contact guide part 51；Static contact 4 is equipped with groove corresponding with 5 shape size of moving contact, static contact guide part
Width between 41 is corresponding with the outside width of moving contact guide part 51.
Traditional 1 length of contact tube is 4.5m, is point contact because guide roller is contacted with the guiding of contact tube 1, helical pitch H is inclined
Short, underbraced, contact tube 1 has longest of the shaking phenomenon along two idler wheels of 9 extending direction of guide rod during divide-shut brake
Distance is helical pitch H, and helical pitch H is 550mm, compares traditional switch helical pitch H, helical pitch H is extended 150mm, contact tube 1 is in divide-shut brake
No longer occurs shaking phenomenon in the process.
The specific work process of the present embodiment includes：Guide rod 9 is equipped with 4 idler wheels being vertically arranged, external movement machine
It being moved to 1 direction of contact tube at the hinge joint of structure first body of rod 6 of drive and second body of rod 7, first body of rod 6 pushes sliding block 8 to move,
Sliding block 8 drives contact tube 1 to move, and so that contact tube 1 is swung, 1 top moving contact guide part 51 of contact tube is made to be led with static contact
It is contacted to part 41, this state is known as " earthing knife-switch just closes position ", and such as Fig. 3, connecting rod is radial complete to 1 radial component F of contact tube at this time
Staff cultivation, rotary motion terminate, and axial thrust load F axially starts to increase and 1 upward sliding of contact tube, mechanical model is driven to become shaking
Bar sliding block is driven, and moving contact 5 is made to be inserted into static contact 4, completes feed motion；Contact tube 1 is realized by the idler wheel on guide rod 9
Low friction guiding movement between guide rod 9 reduces the energy loss that frictional force generates in motion process.
Above disclosed is only specific embodiment of the present utility model, but the scope of protection of the utility model not office
It is limited to this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in change
Change or modification, should be covered within the scope of the utility model.
Claims (7)
1. a kind of earthing switch preventing combined floodgate bite, it is characterised in that：Including contact tube（1）, vertical column, magnetic pole（2）, lead
To mechanism and pedestal（3）；The magnetic pole（2）Mounted on the vertical column top and coaxially arranged, the institute with the vertical column
It states vertical the upper end of the column and is equipped with pedestal（3）；The contact tube（1）For hollow cylinder structure, lower end internal sleeve is equipped with guide rod
（9）, the guide rod（9）Upper end and the contact tube（1）Lower end coaxial arrangement；The guide rod（9）Lower end and seat
Body（3）It is hinged；The contact tube（1）Pass through guiding mechanism and pedestal（3）It is hinged, it swings；The magnetic pole（2）Top
End is equipped with static contact component, the contact tube（1）Top be equipped with moving contact component.
2. preventing the earthing switch of combined floodgate bite according to claim 1, it is characterised in that：In the guide rod（9）On set
There are multiple idler wheels being vertically arranged, idler wheel central rotating shaft to be fixed on the guide rod（9）On, the both sides of the edge of the idler wheel pass through
The guide rod（9）And with the contact tube（1）Inner wall contacts.
3. preventing the earthing switch of combined floodgate bite according to claim 2, it is characterised in that：The idler wheel includes uniform intervals
The laterally steering idler wheel of arrangement（10）With longitudinally guiding idler wheel（11）, the laterally steering idler wheel（10）Central rotating shaft and longitudinal direction
Guide roller（11）Central rotating shaft it is vertical.
4. preventing the earthing switch of combined floodgate bite according to claim 3, it is characterised in that：Two laterally steering idler wheels
（10）Or two longitudinally guiding idler wheels（11）Between longest distance be helical pitch, the helical pitch be 550mm.
5. preventing the earthing switch of combined floodgate bite according to claim 1, it is characterised in that：The guiding mechanism includes sliding block
（8）, first body of rod（6）With second body of rod（7）；The sliding block（8）It is set in the contact tube（1）Lower part, first body of rod
（6）One end and the sliding block（8）It is hinged, first body of rod（6）The other end and second body of rod（7）One end hinge
It connects, second body of rod（7）The other end and the pedestal（3）It is hinged.
6. preventing the earthing switch of combined floodgate bite according to claim 5, it is characterised in that：The contact tube（1）In perpendicular
Histogram to when, first body of rod（6）With contact tube（1）Between angular range be 56 ° -57 °.
7. preventing the earthing switch of combined floodgate bite according to claim 1, it is characterised in that：The static contact component includes quiet
Contact（4）With positioned at static contact（4）The static contact guide part of both sides（41）；The moving contact component includes moving contact（5）With it is dynamic
Contact guide part（51）；The static contact（4）It is equipped with and moving contact（5）The corresponding groove of shape size, the static contact are led
To part（41）Between width and moving contact guide part（51）Outside width correspond to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554840.8U CN207676848U (en) | 2017-11-20 | 2017-11-20 | A kind of earthing switch preventing combined floodgate bite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721554840.8U CN207676848U (en) | 2017-11-20 | 2017-11-20 | A kind of earthing switch preventing combined floodgate bite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207676848U true CN207676848U (en) | 2018-07-31 |
Family
ID=62964631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721554840.8U Active CN207676848U (en) | 2017-11-20 | 2017-11-20 | A kind of earthing switch preventing combined floodgate bite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207676848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202100A (en) * | 2020-10-19 | 2021-01-08 | 国网山东省电力公司潍坊供电公司 | Gas-insulated metal-enclosed switchgear and operation method |
-
2017
- 2017-11-20 CN CN201721554840.8U patent/CN207676848U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202100A (en) * | 2020-10-19 | 2021-01-08 | 国网山东省电力公司潍坊供电公司 | Gas-insulated metal-enclosed switchgear and operation method |
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