CN206602064U - A kind of high speed grounding switch - Google Patents
A kind of high speed grounding switch Download PDFInfo
- Publication number
- CN206602064U CN206602064U CN201720245776.9U CN201720245776U CN206602064U CN 206602064 U CN206602064 U CN 206602064U CN 201720245776 U CN201720245776 U CN 201720245776U CN 206602064 U CN206602064 U CN 206602064U
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- China
- Prior art keywords
- ground connection
- square shaft
- moving knife
- high speed
- roller
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Abstract
The utility model discloses a kind of high speed grounding switch, including base, pull bar, it is grounded quiet knife, ground connection moving knife, square shaft and transmission mechanism, the square shaft is connected through base and with the rotation of base two ends, the ground connection moving knife is fixed on square shaft, ground connection moving knife top is provided with the pressure adjusting part for adjusting the ground connection moving knife pressure size, the transmission mechanism is arranged on base side wall, and be fixedly connected with square shaft, pull bar is connected with transmission mechanism, pull bar drives ground connection moving knife to be rotated with square shaft by transmission mechanism, and combined floodgate and separating brake are realized with being grounded quiet knife.The utility model is simple in construction, small volume, electric property is superior, reliability is high, cost is low and be easy to production and processing.
Description
Technical field
The utility model belongs to switchgear technical field, more particularly to in Cubicle Gas-Insulated Switchgear
With a kind of high speed grounding switch for closing short circuit current flow with bearing KA Rms and peak value tolerance current capacity.
Background technology
High speed grounding switch field of electrical equipment as protection maintenance personal and power supply unit safety important leverage,
It is used widely in switchgear.During overhaul of the equipments, by ground switch earthing, it can prevent from sending a telegram here suddenly in maintenance process,
Cause electric shock accidents, meanwhile, earthed switch can drain surplus load, it is ensured that the safety of maintenance.Therefore its reliability, stable
Property, security is most important to the safety of staff and switchgear.
In the prior art, high speed grounding switch principle is simple, but complicated, and parts are more, and transmission link is more, and operation is held
Conductive rod bending, contact knife deformation are easily caused, or even damages contact and has a strong impact on its operation and electric conductivity, so as to cause its reliability
And less stable.
The content of the invention
In view of the deficienciess of the prior art, a kind of simple in construction, small volume of the utility model offer, electric property are excellent
More, reliability is high, cost is low and is easy to the high speed grounding switch of production and processing.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of high speed grounding switch, including
Base, pull bar, the quiet knife of ground connection, ground connection moving knife, square shaft and transmission mechanism, the square shaft through base and rotate company with base two ends
Connect, the ground connection moving knife is fixed on square shaft, ground connection moving knife top is provided with for adjusting the ground connection moving knife pressure size
Pressure adjusting part, the transmission mechanism is arranged on base side wall, and is fixedly connected with square shaft, and pull bar connects with transmission mechanism
Connect, pull bar drives ground connection moving knife to be rotated with square shaft by transmission mechanism, combined floodgate and separating brake are realized with being grounded quiet knife.
Further, the transmission mechanism includes the first roller, the second roller, the first company being arranged on base side wall
Bar, second connecting rod and connecting lever, pull bar are connected with the first roller, and first connecting rod two ends are respectively arranged at the first roller and the second roller
On, second connecting rod upper end is arranged on the second roller, and second connecting rod bottom is shipped and resell on another market to rotate by earthing knife-switch and is connected with connecting lever, institute
State connecting lever and be welded and fixed with square shaft and is connected.
Further, the bottom of the square shaft is provided with to be fixedly installed on ground connection short circuit row, the ground connection short circuit row and connect
Ground is flexible coupling.
Further, the ground connection U-shaped structure of moving knife, lower end is provided with square hole and the spacing synchronous axial system of the square shaft, bottom
Portion is provided with circular hole and square shaft secure fit, and middle part is provided with circular hole and sets pressure adjusting part.
Further, the pressure adjusting part includes screw rod, nut and the plain cushion, stop collar, the dish pad that are placed on screw rod,
Plain cushion is located at ground connection moving knife side, and stop collar is in the middle of ground connection moving knife, and dish pad is between nut and ground connection moving knife.
Further, the quiet knife of ground connection is of an L-shaped structure, and front end is provided with the combined floodgate being slidably matched with the ground connection moving knife
Auxiliary section, the combined floodgate auxiliary section is in beloid wedge structure.
Further, the square shaft is in integrally hierarchic structure, and centre is in square, and is tapped with five M6 screw threads, and two ends are in circle
Type, coordinates with the base rotation.
Further, the pan frontward end is provided with the circular hole being rotatably assorted with square shaft, and right side wall is provided with and the first roller
The chute coordinated with the second roller-coaster.
Further, first roller and the second roller are in " scholar " font structure, and upper end is provided with to first connecting rod and the
The spacing screw thread of two connecting rods, pull bar, centre is provided with the face of cylinder being rotatably assorted with first connecting rod and second connecting rod, and lower end is provided with
With the chute that the base is slidably matched, both sides are spacing.
Further, the earthing knife-switch is shipped and resell on another market in forge piece of step type structure, and upper end is used provided with spacing to the connecting lever and second connecting rod
Screw thread, lower end is provided with the face of cylinder that is rotatably assorted with the connecting lever and second connecting rod.
Compared with prior art, the utility model advantage is：A kind of simple in construction, small volume, electricity are provided for power distribution network
Gas superior performance, reliability are high, cost is low and are easy to the high speed grounding switch of production and processing, and rapid grounding of the present utility model is opened
Close dynamic and thermal stability and close performance and meet IEC 62271-103 standards, by type approval test, can for switchgear maintainer and
Switchgear provides stable, reliable safety guarantee.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model（One）；
Fig. 2 is structural representation of the present utility model（Two）；
Fig. 3 is the exploded view of the present utility model for being grounded moving knife；
Fig. 4 is "on" position schematic diagram of the present utility model；
Fig. 5 is gate-dividing state schematic diagram of the present utility model.
In figure, 1. bases；2. first connecting rod；3. pull bar；4. second connecting rod；5. connecting lever；6. the first roller；7. the second rolling
Wheel；8. earthing knife-switch is shipped and resell on another market；9. square shaft；10. it is grounded short circuit row；11. ground connection is flexible coupling；12. the quiet knife of ground connection；13. it is grounded moving knife；14.
Screw rod；15. plain cushion；16. stop collar；17. dish pad；18 nuts.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is further described to the utility model.
As illustrated in fig. 1 and 2, a kind of high speed grounding switch, including base 1, pull bar 3, be grounded quiet knife 12, ground connection moving knife 13,
Square shaft 9 and transmission mechanism, square shaft 9 are connected through base 1 and with the rotation of the two ends of base 1, and ground connection moving knife 13 is fixed on square shaft 9,
Ground connection moving knife 13 top is provided with the pressure adjusting part for adjusting the ground connection moving knife pressure size, and transmission mechanism is arranged at
On the side wall of base 1, and be fixedly connected with square shaft 9, on-load switch main shaft drives pull bar 3 quick mobile up or down, pull bar 3 with
Transmission mechanism is connected, and pull bar 3 drives ground connection moving knife 13 to be rotated with square shaft 9 by transmission mechanism, is closed a floodgate with being grounded the quiet realization of knife 12
With separating brake.
Transmission mechanism includes the first roller 6, the second roller 7, first connecting rod 2, the second connecting rod being arranged on the side wall of base 1
4 and connecting lever 5, pull bar 3 is connected with the first roller 6, and the two ends of first connecting rod 2 are respectively arranged on the first roller 6 and the second roller 7,
The upper end of second connecting rod 4 is arranged on the second roller 7, and the bottom of second connecting rod 4 and connecting lever 5 are connected by earthing knife-switch 8 rotations of shipping and reselling on another market,
Connecting lever 5 is welded and fixed with square shaft 9 and is connected.
In order to realize the rotating manner of above-mentioned transmission mechanism, overall square shaft 9 is in hierarchic structure, and centre is in square, and is tapped with
Five M6 screw threads, two ends are rotatably assorted in round with base 1；The front end of base 1 is provided with the circular hole being rotatably assorted with square shaft 9, right side
Wall is provided with the chute being slidably matched with the first roller 6 and the second roller 7；Meanwhile, the bottom of square shaft 9 is provided with ground connection short circuit row
10, ground connection, which is fixedly installed, on ground connection short circuit row 10 is flexible coupling 11.
First roller 6 and the second roller 7 are in " scholar " font structure, and upper end is provided with to first connecting rod 2 and second connecting rod 4, drawn
The spacing screw thread of bar 3, centre is provided with the face of cylinder being rotatably assorted with first connecting rod 2 and second connecting rod 4, and lower end is provided with and base
The chute that 9 are slidably matched, both sides are spacing.
Earthing knife-switch ships and resell on another market 8 in forge piece of step type structure, and upper end is provided with to connecting lever 5 and the spacing screw thread of second connecting rod 4, and lower end is provided with
The face of cylinder being rotatably assorted with connecting lever 5 and second connecting rod 4.
As shown in figure 3, the ground connection U-shaped structure of moving knife 13, lower end is provided with square hole and the spacing synchronous axial system of square shaft 9, bottom is opened
There are circular hole and the secure fit of square shaft 9, middle part is provided with circular hole and sets pressure adjusting part, and pressure adjusting part includes screw rod 14, spiral shell
Mother 18 and plain cushion 15, stop collar 16, the dish pad 17 being placed on screw rod 14, plain cushion 15 is located at ground connection moving knife 13 side, stop collar 16
In the middle of ground connection moving knife 13, dish pad 17 is between nut 18 and ground connection moving knife 13.
In order to be grounded moving knife 13 and be grounded being slidably matched for quiet knife 12, it is grounded quiet knife 12 and is of an L-shaped structure, front end is set
There is the combined floodgate auxiliary section being slidably matched with ground connection moving knife 13, combined floodgate auxiliary section is in beloid wedge structure.
It is grounded quiet knife 12 to be fixed on major loop, on-load switch main shaft drives mobile, the pull bar quick up or down of pull bar 3
3 drive first connecting rods 2, second connecting rod 4, connecting lever 5 and square shaft 9 are driven, and are grounded moving knife 13 as square shaft 9 is rotated and is rotated, so that
Realize that high speed grounding switch closes a floodgate and sub-switching operation.As shown in figure 4, when on-load switch main shaft drives pull bar 3 quick mobile upwards
When, high speed grounding switch closing operation is realized, as shown in figure 5, when on-load switch main shaft drives pull bar 3 quick mobile downwards,
Realize high speed grounding switch sub-switching operation.
In summary, to provide a kind of simple in construction, small volume, electric property for power distribution network superior, reliable for the utility model
Property high, cost it is low and be easy to the high speed grounding switch of production and processing, high speed grounding switch dynamic and thermal stability of the present utility model and pass
Close performance and meet IEC 62271-103 standards, can be that switchgear maintainer and switchgear are provided surely by type approval test
Fixed, reliable safety guarantee.
Certainly, described above is not that, to limitation of the present utility model, the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in essential scope of the present utility model, the variations, modifications, additions or substitutions made, all
Protection domain of the present utility model should be belonged to.
Claims (8)
1. a kind of high speed grounding switch, including base, pull bar, the quiet knife of ground connection, ground connection moving knife, square shaft and transmission mechanism, its feature
It is：The square shaft is connected through base and with the rotation of base two ends, and the ground connection moving knife is fixed on square shaft, ground connection moving knife top
End is provided with the pressure adjusting part for adjusting the ground connection moving knife pressure size, and the transmission mechanism is arranged at base side wall
On, and be fixedly connected with square shaft, pull bar is connected with transmission mechanism, and pull bar drives ground connection moving knife to turn with square shaft by transmission mechanism
It is dynamic, realize combined floodgate and separating brake with being grounded quiet knife.
2. high speed grounding switch according to claim 1, it is characterised in that：The transmission mechanism includes being arranged at base side
The first roller, the second roller, first connecting rod, second connecting rod and connecting lever on wall, pull bar are connected with the first roller, first connecting rod two
End is respectively arranged on the first roller and the second roller, and second connecting rod upper end is arranged on the second roller, second connecting rod lower end
Portion is shipped and resell on another market to rotate by earthing knife-switch and is connected with connecting lever, and the connecting lever is welded and fixed with square shaft to be connected.
3. high speed grounding switch according to claim 2, it is characterised in that：The bottom of the square shaft is provided with ground connection short circuit
Ground connection is fixedly installed on row, the ground connection short circuit row to be flexible coupling.
4. high speed grounding switch according to claim 1, it is characterised in that：The ground connection U-shaped structure of moving knife, lower end is opened
There are square hole and the spacing synchronous axial system of the square shaft, bottom is provided with circular hole and square shaft secure fit, and middle part is provided with circular hole and sets pressure
Adjusting part.
5. high speed grounding switch according to claim 4, it is characterised in that：The pressure adjusting part includes screw rod, spiral shell
Plain cushion, stop collar, dish pad female and be placed on screw rod, plain cushion is located at ground connection moving knife side, and stop collar is located in the middle of ground connection moving knife,
Dish pad is between nut and ground connection moving knife.
6. high speed grounding switch according to claim 4, it is characterised in that：The quiet knife of ground connection is of an L-shaped structure, and front end is set
The combined floodgate auxiliary section being slidably matched with the ground connection moving knife is equipped with, the combined floodgate auxiliary section is in beloid wedge structure.
7. high speed grounding switch according to claim 2, it is characterised in that：The square shaft is in integrally hierarchic structure, middle
In square, and five M6 screw threads are tapped with, two ends coordinate in round with the base rotation.
8. high speed grounding switch according to claim 7, it is characterised in that：The pan frontward end, which is provided with to rotate with square shaft, matches somebody with somebody
The circular hole of conjunction, right side wall is provided with the chute coordinated with the first roller and the second roller-coaster.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245776.9U CN206602064U (en) | 2017-03-14 | 2017-03-14 | A kind of high speed grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245776.9U CN206602064U (en) | 2017-03-14 | 2017-03-14 | A kind of high speed grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602064U true CN206602064U (en) | 2017-10-31 |
Family
ID=60146653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720245776.9U Active CN206602064U (en) | 2017-03-14 | 2017-03-14 | A kind of high speed grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206602064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444436A (en) * | 2019-08-23 | 2019-11-12 | 北京清畅新企电力设备有限公司 | A kind of earthing switch |
-
2017
- 2017-03-14 CN CN201720245776.9U patent/CN206602064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444436A (en) * | 2019-08-23 | 2019-11-12 | 北京清畅新企电力设备有限公司 | A kind of earthing switch |
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