CN107039208B - A kind of easy indoor hv earthing switch - Google Patents
A kind of easy indoor hv earthing switch Download PDFInfo
- Publication number
- CN107039208B CN107039208B CN201710374291.4A CN201710374291A CN107039208B CN 107039208 B CN107039208 B CN 107039208B CN 201710374291 A CN201710374291 A CN 201710374291A CN 107039208 B CN107039208 B CN 107039208B
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- China
- Prior art keywords
- vertical
- contact
- moving contact
- swing arm
- arm
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
Abstract
The invention discloses a kind of easy indoor hv earthing switch, including L-type pedestal, static contact, moving contact, insulator, shaft and vertical sliding device, vertical sliding device is connected between shaft and moving contact by sequentially connected swing arm, vertical rocker arm and vertical cutting ferrule and is slided；Vertical rocker arm and swing arm junction are equipped with spherical bottom；Swing arm one end is covered by swing bushing to be rotated together in shaft with shaft, the other end passes through spherical interconnecting piece and the spherical bottom of vertical rocker arm is slidably connected, while guaranteeing that the connecting portion length of the spherical interconnecting piece of swing arm is accompanied for the 2-3 of the length of the spherical bottom of vertical rocker arm；Its switch is triggered by a mandril in point contact type location switch bottom, and wherein mandril is fixed on the top position of moving contact.Indoor hv earthing switch of the invention steadily moves up and down in its stroke range, has preferable stability and reliability.
Description
Technical field
The present invention relates to technical field indoor hv earthing switch, open more particularly to a kind of easy indoor high-voltage ground connection
It closes.
Background technique
The existing manual earthing switch of switchgear cannot generally be compatible with manual operation and electric operating simultaneously, wherein being manually operated
It whether in place to be closed a floodgate using travel switch induction, electric operating generally uses motor driven worm and worm gear, by worm and gear
Mechanism drives main axis, and the on/off switch movement speed of both operations is slow, unstable reliable and can interfere, and it is special to need
Switching mechanism can just exist simultaneously manual operation and electric operating.
103500671 B of Chinese patent CN discloses a kind of indoor high-voltage electric grounding switch, including static contact, dynamic touching
Head, main shaft, motor drive mechanism and pedestal, static contact are fixed on the base by insulator, and moving contact is fixed on master by connecting lever
On axis, main shaft both ends are movably arranged on pedestal, motor drive mechanism driving spindle be rotated such that moving contact and static contact connect or
It disconnects, is hinged between connecting lever and pedestal so that the spring that moving contact and static contact fast and stable are switched on or switched off.The indoor height
Press electric ground switch splitting or integrating lock use same spring bistable scheme, realize electric or hand operation axis rotate through in after
Quick splitting or integrating is switched, has many advantages, such as structure novel, splitting or integrating lock speed is fast and stablizes, with the manual earthing switch of existing switchgear
Mechanical interlocking, machine driving and installation dimension remain unchanged, electric operating be manually operated it is non-interference, do not need to switch,
Earthing switch ontology and operating mechanism integrated design.
But this kind of manual, electric integral switch is reached when closing a floodgate since electric power is insufficient or either-rotation motor failure
Less than the purpose closed a floodgate or opened a sluice gate, while the combined floodgate and to open a sluice gate structure complex, later period maintenance and inconvenient to use.
And the switch is when in use, not in place due to closing a floodgate, and cannot directly arrive working condition, need manually to operate again, influence work
Make efficiency.And opening a sluice gate phenomenon not in place also will appear.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, that the present invention provides a kind of structures is simple, easy to maintain, closes a floodgate, opens
Lock working status indication in place, and is capable of the high reliability indoor hv earthing switch of rapid closing and separating brake.
The technical scheme adopted by the invention is that: a kind of easy indoor hv earthing switch, including L-type pedestal, stationary contact
Head, moving contact, insulator, shaft and vertical sliding device, static contact are fixed on the top position of insulator by L bracket,
And insulator is fixed on the top position on rear side of pedestal；Pedestal includes the branch for supporting slide unit and being set to support slide unit two sides
Ear, shaft, which is connected on two trunnions of pedestal by either-rotation motor, to be rotated；Static contact and moving contact, vertical sliding device wrap
It is rolled in inside the L elbow of L bracket；Vertical sliding device is connected by sequentially connected swing arm, vertical rocker arm with vertical cutting ferrule
It is slided between shaft and moving contact；Wherein: vertical rocker arm and swing arm junction are equipped with spherical bottom；Swing arm one end passes through swing
Bushing, which is covered, to be rotated together in shaft with shaft, and the other end is slidably matched by the spherical bottom of spherical interconnecting piece and vertical rocker arm
Connection, while guaranteeing that the connecting portion length of the spherical interconnecting piece of swing arm is 2-3 times of the length of the spherical bottom of vertical rocker arm；
While card slot is equipped at the top of vertical cutting ferrule, in static contact face card slot；The top position of moving contact is additionally provided with point contact type and opens in place
It closes, indicator light is connected at the top of point contact type location switch, indicator light is connected to the top position of static contact；Point contact type location switch bottom
Portion triggers its switch by a mandril, and wherein mandril is fixed on the top position of moving contact.
Further, on the position of the bottom face moving contact of L-type pedestal, the sliding slot equipped with one towards moving contact, L-type
Limit swing arm is additionally provided between the bottom of pedestal and vertical rocker arm, the one end for limiting swing arm is slidably attached at L-type pedestal
In the sliding slot of bottom, the other end is fixed on the intermediate position of vertical rocker arm.
Further, adjustable spring is also cased with outside limit swing arm；The spring outwards of adjustable spring are enclosed with rubber wear-resisting layer.
Further, moving contact is cylinder barrel shaped structure, and then guarantees that moving contact and static contact combined floodgate or when separating brake have
There are preferable fitting and separating effect.
Further, the part of static contact is square structure, so guarantee moving contact and static contact have at the time of contact compared with
Good contact effect.
Further, at least one sliding torque arm is additionally provided between L bracket and vertical cutting ferrule, sliding torque arm one end is fixed
In L bracket, the other end compresses the side of vertical cutting ferrule by a bending part.
Further, vertical cutting ferrule corresponds to the pressure equipped with a 0.5-2cm at the bending part position of each sliding torque arm
Tight sliding slot.
Further, pass through gear structure engaged transmission between the swing bushing and shaft of swing arm.
Compared with prior art, the beneficial effects of the present invention are: indoor hv earthing switch of the invention, using shaft and
The swing arm matched with it drives vertical rocker arm and moving contact to move straight up, while being tensioned vertical rocking bar using limit swing arm,
Suitably slow down for it, guarantee steadily to move up and down in its stroke range, there is preferable stability and reliability.And
And the structure is simple, reliable, maintainability is preferable.Key improvements point of the invention is, also connects at the top of moving contact of the invention
Be connected to a point contact type location switch, the earthing switch when in use, when moving contact and static contact completely attach to, moving contact band
It moves the mandril at the top of it and holds out against point contact type location switch, which opens the indicator light at the top of it, and instruction indoor high-voltage ground connection is opened
It closes and is in "on" position, it is in running order.
Indoor hv earthing switch of the invention drives sliding block in the lower gear of the boss portion of pedestal using either-rotation motor
It is moved back and forth in sliding rail, and then drives gear sliding block and moving contact to move up and down, and then realize the conjunction of moving contact and static contact
Lock or opening.The high voltage ground switch of the structure, open a sluice gate and the speed of separating brake uniformly, it is reliable, sudden will not disconnect or
Person closes, and the period of maintenance is longer, while service life is also longer, and indicating effect is good, avoids the maloperation of earthing switch.
Detailed description of the invention
Fig. 1 is a kind of structure chart of one embodiment of easy indoor hv earthing switch；
Fig. 2 is the structure chart of one embodiment of the swing arm of the embodiment of Fig. 1；
Wherein: 1-L type pedestal, 101- support slide unit, 102- trunnion, 103- sliding slot；2- static contact, 3- moving contact, 4- are exhausted
Edge, 5- shaft, 6- vertical sliding device, 61- swing arm, 611- swing bushing, 612- spherical shape interconnecting piece；The vertical rocker arm of 62-,
621- spherical bottom；The vertical cutting ferrule of 63-, 631- card slot, the compression sliding slot of 632-0.2-2cm；7-L shape bracket, 8- sliding are drawn
Arm, 81- bending part；9- either-rotation motor, 10- limit swing arm, 11- adjustable spring, 12- point contact type location switch, 13- indicator light,
14- mandril.
Specific embodiment
In order to deepen the understanding of the present invention, present invention will be further explained below with reference to the attached drawings and examples, the implementation
Example for explaining only the invention, does not constitute protection scope of the present invention and limits.
As shown in Figure 1, a kind of easy indoor hv earthing switch, including L-type pedestal 1, static contact 2, moving contact 3, absolutely
Edge 4, shaft 5 and vertical sliding device 6, static contact 2 are fixed on the top position of insulator 4 by L bracket 7, and absolutely
Edge 4 is fixed on the top position of 1 rear side of pedestal；Pedestal 1 includes supporting slide unit 101 and being set to support 101 two sides of slide unit
Trunnion 102, shaft 5 is connected on two trunnions 102 of pedestal 1 by either-rotation motor 9 to be rotated；Static contact 2 and moving contact 3 erect
Straight carriage 6 is wrapped in inside the L elbow of L bracket 7；Vertical sliding device 6 passes through sequentially connected swing arm 61, vertical
Rocker arm 62 and vertical cutting ferrule 63 are connected between shaft 5 and moving contact 3 and slide；Wherein: vertical rocker arm 62 and 61 junction of swing arm
Equipped with spherical bottom 621；61 one end of swing arm is rotated together in shaft 5 with shaft 5 by swinging 611 sets of bushing, and the other end is logical
The spherical bottom 621 for crossing spherical interconnecting piece 612 and vertical rocker arm 62 is slidably connected, while guaranteeing the spherical connection of swing arm 61
The connecting portion length in portion 612 is 2-3 times of the length of the spherical bottom 621 of vertical rocker arm；It is set at the top of vertical cutting ferrule 63 simultaneously
There is a card slot 631, in 2 face card slot 631 of static contact；The top position of moving contact 3 is additionally provided with point contact type location switch 12, point contact type
Indicator light 13 is connected at the top of location switch 12, indicator light 13 is connected to the top position of static contact 2；12 bottom of point contact type location switch
Portion triggers its switch by a mandril 14, and wherein mandril 14 is fixed on the top position of moving contact 3.
In the above-described embodiments, on the position of the bottom face moving contact of L-type pedestal 1, equipped with one towards moving contact
Sliding slot 103 is additionally provided with limit swing arm 10, limits one end of swing arm 10 slidably between the bottom of L-type pedestal 1 and vertical rocker arm 62
Ground is connected in the sliding slot 103 of the bottom of L-type pedestal 1, and the other end is fixed on the intermediate position of vertical rocker arm 62, avoid swing arm with
Structure close to it directly contacts, and improves the wear-resisting property of pull rod, while the swing arm 10 can be tensioned vertical rocker arm 61, avoid
Moving contact rising is too fast, guarantees its stability risen.
In the above-described embodiments, adjustable spring 11 is also cased with outside limit swing arm 10；The spring outwards of adjustable spring 11 wrap up
There is rubber wear-resisting layer, there is longer service life.
In the above-described embodiments, moving contact 3 is cylinder barrel shaped structure, so guarantee moving contact 3 and static contact 2 close a floodgate or
There is preferable fitting and separating effect when separating brake.
In the above-described embodiments, the part of static contact 2 is square structure, and then guarantees moving contact and static contact at the time of contact
With preferable contact effect.
In the above-described embodiments, at least one sliding torque arm 8 is additionally provided between L bracket 7 and vertical cutting ferrule 63, sliding is drawn
8 one end of arm is fixed in L bracket 7, and the other end compresses the side of vertical cutting ferrule 63 by a bending part 81, which can be with
The side top position of side and moving contact from static contact tenses vertical cutting ferrule to static contact, has preferable anti-bias effect
Fruit.
In the above-described embodiments, one is equipped at 81 position of bending part of each corresponding sliding torque arm 8 of vertical cutting ferrule 63
The compression sliding slot 632 of 0.2-2cm, anti-bias better effect.
In the above-described embodiments, it is protected between the swing bushing 611 and shaft 5 of swing arm 61 by gear structure engaged transmission
It is more uniform to demonstrate,prove shaft speed in rotation, guarantees the stability that moving contact moves upwards, finally ensure that the steady of switch contact
Qualitative energy.
What the embodiment of the present invention was announced is preferred embodiment, and however, it is not limited to this, the ordinary skill people of this field
Member, easily according to above-described embodiment, understands spirit of the invention, and make different amplification and variation, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (7)
1. a kind of easy indoor hv earthing switch, it is characterised in that: including L-type pedestal (1), static contact (2), moving contact
(3), insulator (4), shaft (5) and vertical sliding device (6), static contact (2) are fixed on insulator (4) by L bracket (7)
Top position, and insulator (4) is fixed on the top position on rear side of pedestal (1)；Pedestal (1) includes support slide unit (101)
With the trunnion (102) for being set to support slide unit (101) two sides, shaft (5) is connected to the two of pedestal (1) by either-rotation motor (9)
It is rotated on a trunnion (102)；The L that static contact (2) and moving contact (3), vertical sliding device (6) are wrapped in L bracket (7) is curved
Head is internal；
Vertical sliding device (6) is connected to by sequentially connected swing arm (61), vertical rocker arm (62) and vertical cutting ferrule (63) to be turned
It is slided between axis (5) and moving contact (3)；
Wherein: vertical rocker arm (62) and swing arm (61) junction are equipped with spherical bottom (621)；
Swing arm (61) one end is covered by swing bushing (611) to be rotated together on shaft (5) with shaft (5), and the other end passes through ball
The spherical bottom (621) of shape interconnecting piece (612) and vertical rocker arm (62) is slidably connected, while guaranteeing the spherical shape of swing arm (61)
The connecting portion length of interconnecting piece (612) is 2-3 times of the length of the spherical bottom (621) of vertical rocker arm；
Card slot (631) are equipped at the top of vertical cutting ferrule (63) simultaneously, in static contact (2) face card slot (631)；
The top position of moving contact (3) is additionally provided with point contact type location switch (12), is connected at the top of the point contact type location switch (12)
It connects indicator light (13), the indicator light (13) is connected to the top position of static contact (2)；Point contact type location switch (12) bottom
Portion triggers its switch by a mandril (14), and wherein mandril (14) is fixed on the top position of moving contact (3)；
On the position of the bottom face moving contact of L-type pedestal (1), sliding slot (103) equipped with one towards moving contact, L-type pedestal
(1) limit swing arm (10) is additionally provided between bottom and vertical rocker arm (62), one end of limit swing arm (10) is slideably
It is connected in the sliding slot (103) of the bottom of L-type pedestal (1), the other end is fixed on the intermediate position of vertical rocker arm (62).
2. a kind of easy indoor hv earthing switch according to claim 1, it is characterised in that: the limit swing arm
(10) it is also cased with outside adjustable spring (11)；The spring outwards of the adjustable spring (11) are enclosed with rubber wear-resisting layer.
3. a kind of easy indoor hv earthing switch according to claim 1 or 2, it is characterised in that: moving contact (3) is
Cylinder barrel shaped structure, and then guarantee that moving contact (3) are bonded and separate effect with preferable with when static contact (2) combined floodgate or separating brake
Fruit.
4. a kind of easy indoor hv earthing switch according to claim 3, it is characterised in that: the portion of static contact (2)
It is divided into square structure, and then guarantees that moving contact and static contact have preferable contact effect at the time of contact.
5. a kind of easy indoor hv earthing switch according to claim 1, it is characterised in that: the L bracket (7)
At least one sliding torque arm (8) is additionally provided between vertical cutting ferrule (63), described sliding torque arm (8) one end is fixed on L bracket
(7) on, the other end compresses the side of vertical cutting ferrule (63) by a bending part (81).
6. a kind of easy indoor hv earthing switch according to claim 5, it is characterised in that: the vertical cutting ferrule
(63) the compression sliding slot (632) of a 0.2-2cm is equipped at bending part (81) position of each corresponding sliding torque arm (8).
7. a kind of easy indoor hv earthing switch described according to claim 1 or 2 or 5 or 6, it is characterised in that: swing arm
(61) pass through gear structure engaged transmission between swing bushing (611) and shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710374291.4A CN107039208B (en) | 2017-05-24 | 2017-05-24 | A kind of easy indoor hv earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710374291.4A CN107039208B (en) | 2017-05-24 | 2017-05-24 | A kind of easy indoor hv earthing switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107039208A CN107039208A (en) | 2017-08-11 |
| CN107039208B true CN107039208B (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710374291.4A Active CN107039208B (en) | 2017-05-24 | 2017-05-24 | A kind of easy indoor hv earthing switch |
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| CN (1) | CN107039208B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257813B (en) * | 2017-12-30 | 2024-04-19 | 山东泰开高压开关有限公司 | Transmission device for switching on and off of independent grounding switch |
| CN111739758B (en) * | 2020-06-29 | 2022-09-06 | 江山海维科技有限公司 | Interchange regulation nature high voltage earthing switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122520Y (en) * | 2007-12-10 | 2008-09-24 | 河南森源电气股份有限公司 | Ground switch rotating shaft test operation mechanism |
| CN102354922A (en) * | 2011-10-25 | 2012-02-15 | 沈阳华德海泰电器有限公司 | Rapid grounding switch |
| CN202523595U (en) * | 2012-04-28 | 2012-11-07 | 浙江纪元高压电器开关有限公司 | JN15 grounding switch on-off state display control device |
| CN104835674A (en) * | 2015-04-30 | 2015-08-12 | 国家电网公司 | Operating mechanism and direct-operated grounding switch using operating mechanism |
-
2017
- 2017-05-24 CN CN201710374291.4A patent/CN107039208B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201122520Y (en) * | 2007-12-10 | 2008-09-24 | 河南森源电气股份有限公司 | Ground switch rotating shaft test operation mechanism |
| CN102354922A (en) * | 2011-10-25 | 2012-02-15 | 沈阳华德海泰电器有限公司 | Rapid grounding switch |
| CN202523595U (en) * | 2012-04-28 | 2012-11-07 | 浙江纪元高压电器开关有限公司 | JN15 grounding switch on-off state display control device |
| CN104835674A (en) * | 2015-04-30 | 2015-08-12 | 国家电网公司 | Operating mechanism and direct-operated grounding switch using operating mechanism |
Also Published As
| Publication number | Publication date |
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| CN107039208A (en) | 2017-08-11 |
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