CN208781756U - A kind of 40.5kV earthing switch novel operating mechanism - Google Patents
A kind of 40.5kV earthing switch novel operating mechanism Download PDFInfo
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- CN208781756U CN208781756U CN201821631643.6U CN201821631643U CN208781756U CN 208781756 U CN208781756 U CN 208781756U CN 201821631643 U CN201821631643 U CN 201821631643U CN 208781756 U CN208781756 U CN 208781756U
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- shaft
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- connecting lever
- operating
- earthing switch
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Abstract
The utility model relates to a kind of 40.5kV earthing switch novel operating mechanisms, in particular to earthing switch operating mechanism technical field.This 40.5kV earthing switch novel operating mechanism includes earthing switch, transmission shaft, cable vault, phase branch busbar, on/off switch end, locating piece in the on/off switch end, it further include operating shaft, transmission mechanism is connected between the operating shaft and the transmission shaft, the transmission mechanism is set to below the operating shaft, the operating shaft is socketed in the locating piece, the operating shaft other end is socketed with bearing block A by bearing, the bearing block A is fixed in switch cabinet, the operating shaft is connected with connecting lever A, the simple novel operating mechanism of structure is provided in complicated switch cabinet, it is easy to process, good inheritance is maintained with original switch cabinet, without changing original switch cabinet, improvement cost is reduced while ensure that mechanism reliability, it is finally reached and meets national grid requirement Purpose.
Description
Technical field
The utility model relates to earthing switch operating mechanism technical field more particularly to a kind of 40.5kV earthing switch are novel
Operating mechanism.
Background technique
With the high speed development of China electric power industry, the requirement to various high-voltage electrical equipments is also higher and higher, Ge Xianggeng
It is put into effect successively for detailed technical specification, by State Grid Corporation of China publication 2017 ﹞ of ﹝ 549, " State Grid Corporation of China is about printing and distributing
Grid equipment technical standard difference clause unifies the notice of opinion ", wherein about switchgear air insulation clear distance restricted problem
Clause is unified in opinion to require: 1. in spite of using fixed sealing type reinforce insulation, insulation clear distance >=300mm
(40.5kV)；2. forbidding to reinforce insulating using insulating barrier.
The operating shaft of original KYN44A-40.5 earthing switch operation of switch cabinet mechanism leads directly to the side after cabinet body before using cabinet body
Formula, operating shaft drives the earthing switch after cabinet by direct geared, also, operating shaft and the air of the phase branch bus of cable vault are exhausted
Edge clear distance is only 240mm, sees attached drawing 4, is not able to satisfy the new demand of national grid proposition.
Summary of the invention
(1) technical problems to be solved
The purpose of this utility model is to propose that new demand needs to air insulation clear distance in switch cabinet for national grid
The problem of operating mechanism being improved, a kind of 40.5kV earthing switch novel operating mechanism provided.
(2) technical solution
In order to solve deficiency in the prior art, the utility model provides such a novel behaviour of 40.5kV earthing switch
Make mechanism, the technical solution adopted in the utility model is:
A kind of 40.5kV earthing switch novel operating mechanism, including earthing switch, the transmission in the earthing switch
Axis, the phase branch busbar for connecting the cable vault and the earthing switch, on/off switch end, is set to the on/off switch end at cable vault
Locating piece in portion further includes operating shaft, and transmission mechanism, the driver are connected between the operating shaft and the transmission shaft
Structure is set to below the operating shaft, and the operating shaft is socketed in the locating piece, and the operating shaft other end passes through bearing holder (housing, cover)
It is connected to bearing block A, the bearing block A is fixed in switch cabinet, and the operating shaft is connected with connecting lever A.
Preferably, the transmission mechanism includes that pull rod A, shaft, the upper end pull rod B, the pull rod A are connected with and adjust head A, institute
Stating and adjusting head A is arc connection sheet, and the adjusting head A is connected with the connecting lever A by pin shaft, the connection of the lower end the pull rod A
Have and adjust head B, the both ends of the shaft passes through bearing respectively and is socketed with bearing block B, bearing block C, the bearing block B and the bearing
Seat C is individually fixed in the switch cabinet, and the both ends of the shaft is connected separately with connecting lever B, connecting lever C, and the lower end the pull rod B connects
It is connected to and adjusts head C, the connecting lever B is connected by pin shaft with the adjusting head C, and the connecting lever C passes through pin shaft and the adjusting
Head B is connected, and the upper end the pull rod B, which is connected with, adjusts head D, and described transmission shaft one end is socketed with bearing block D by bearing, described
Bearing block D is fixed in the switch cabinet, and the transmission shaft is connected with connecting lever D, and the adjusting head D passes through with the connecting lever D
Pin shaft is connected.
Preferably, the bearing is oilless bearing.
Preferably, the cable vault is set to middle part in the switch cabinet, and the operating shaft is set in the switch cabinet
Front, the earthing switch are set to rear portion in the switch cabinet, and the shaft is set to bottom in the switch cabinet.
(3) beneficial effect
Then the utility model will be operated by the way that operating shaft is set to front in switch cabinet by setting transmission mechanism
Axis is connected with transmission shaft, by the way that the shaft in transmission mechanism is set to bottom in switch cabinet, by shaft and phase branch busbar
Air clearance from the requirement for reaching national grid, then by being separately connected bearing block B and connecting lever B, bearing in both ends of the shaft
Seat C and connecting lever C, is then arranged pull rod A and pull rod B, is arranged in the lower end pull rod A and adjusts head B, will adjust head B by pin shaft and turns
Arm C is connected, and is arranged in the lower end pull rod B and adjusts head C, will adjust head C by pin shaft and be connected with connecting lever B, then likewise,
It is arranged bearing block D and connecting lever D on transmission shaft, is connected in the upper end pull rod B and adjusts head D, head D will be adjusted and connecting lever D passes through pin
Axis is connected, and then in the adjusting head A of the upper end pull rod A connection arc, is passed by the adjusting head A of pull rod A and arc in operating shaft
Other intracorporal mechanical parts of switchgear are effectively shielded from during dynamic, then connect bearing block A and connecting lever in operating shaft one end
Connecting lever A is connect with adjusting head A by pin shaft, the purpose of operating shaft rotation control earthing switch is realized, due to operating by A
Transmission mechanism is arranged between axis and transmission shaft to connect, therefore the transmission efficiency of operating shaft receives influence, so by bearing block
A, oilless bearing is set in bearing block B, bearing block C and bearing block D, the transmission efficiency of operating shaft can be greatly improved, reduce and pass
The negative effect of motivation structure is provided with the simple novel operating mechanism of structure in complicated switch cabinet, easy to process,
Good inheritance is maintained with original switch cabinet, without changing original switch cabinet, while ensure that mechanism reliability
Improvement cost is reduced, the purpose for meeting national grid requirement is finally reached.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of 40.5kV earthing switch novel operating mechanism of the utility model.
Fig. 2 is the structure enlargement diagram of the utility model part A.
Fig. 3 is the structure enlargement diagram of the utility model part B.
Fig. 4 is the structural schematic diagram of existing earthing switch operating mechanism.
It is attached in the figure, it is marked as 1- earthing switch, 11- transmission shaft, the cable vault 2-, 21- phase branch busbar, 3- on/off switch end,
31- locating piece, 4- operating shaft, 5- transmission mechanism, 41- bearing block A, 42- connecting lever A, 51- pull rod A, 52- shaft, 53- pull rod B,
61- adjusts head A, and 62- adjusts head B, and 521- bearing block B, 522- connecting lever B, 523- bearing block C, 524- connecting lever C, 63- adjust head C,
64- adjusts head D, 111- bearing block D, 112- connecting lever D.
Specific embodiment
Fig. 1 ~ 4, a kind of 40.5kV earthing switch novel operating mechanism described in the utility model, including ground connection is please referred to open
Close the phase of the 1, transmission shaft 11 in the earthing switch 1, cable vault 2, the connection cable vault 2 and the earthing switch 1
Branch busbar 21, on/off switch end 3, the locating piece 31 in the on/off switch end 3 further include operating shaft 4, the operating shaft
Transmission mechanism 5 is connected between 4 and the transmission shaft 11, the transmission mechanism 5 is set to 4 lower section of operating shaft, the operation
Axis 4 is socketed in the locating piece 31, and 4 other end of operating shaft is socketed with bearing block A41, the bearing block by bearing
A41 is fixed in switch cabinet, and the operating shaft 4 is connected with connecting lever A42.
In order to preferably optimize the construction of this 40.5kV earthing switch novel operating mechanism, reach so that switchgear
Air insulation clear distance achievees the purpose that requirement and improves mechanism reliability and reduce manufacturing cost in vivo, institute in the utility model
It states transmission mechanism 5 and is connected with adjusting head A61, the adjusting including pull rod A51, shaft 52, the upper end pull rod B53, the pull rod A51
Head A61 is arc connection sheet, and the adjusting head A61 is connected with the connecting lever A42 by pin shaft, and the lower end the pull rod A51 connects
It is connected to and adjusts head B62,52 both ends of shaft pass through bearing respectively and are socketed with bearing block B521, bearing block C523, the bearing
Seat B521 and the bearing block C523 are individually fixed in the switch cabinet, and 52 both ends of shaft are connected separately with connecting lever
B522, the lower end connecting lever C524, the pull rod B53, which are connected with, adjusts head C63, and the connecting lever B522 passes through pin shaft and the adjusting head
C63 is connected, and the connecting lever C524 is connected by pin shaft with the adjusting head B62, and the upper end the pull rod B53 is connected with adjusting
Head D64, described 11 one end of transmission shaft are socketed with bearing block D111 by bearing, and the bearing block D111 is fixed on the switchgear
In vivo, the transmission shaft 11 is connected with connecting lever D112, the adjusting head D64 and the connecting lever D112 and is connected by pin shaft, institute
Stating bearing is oilless bearing, and the cable vault 2 is set to middle part in the switch cabinet, and the operating shaft 4 is set to the switch
Front in cabinet body, the earthing switch 1 are set to rear portion in the switch cabinet, and the shaft 52 is set to bottom in the switch cabinet
Portion.
Working principle: operating the operating shaft 4 and rotate clockwise, and the connecting lever A42 is rotated clockwise, the pull rod A51
It is moved upward and rotates counterclockwise the connecting lever C524, the connecting lever C524, which is rotated counterclockwise, drives the shaft 52 counterclockwise
Rotation, the shaft 52, which rotates counterclockwise, drives the connecting lever B522 that the other end is arranged in rotate counterclockwise, to drive institute
It states pull rod A53 to move downwards, the pull rod A53 pulls down the connecting lever D112, so that the transmission shaft 11 turns clockwise
It is dynamic, the earthing switch 1 is closed a floodgate to realize；When needing separating brake, the operating shaft 4 is rotated counterclockwise.
In addition, embodiment of above is merely to illustrate the utility model, and it is not the limitation of the utility model, related skill
The those of ordinary skill in art field can also make other changes in the case where not departing from the spirit and scope of the utility model
Change and deform, therefore all equivalent technical solutions also belong to the scope of the utility model, the protection scope of the utility model is answered
It is defined by the claims.In addition, explanation merely for convenience is not right if using some specific terms in this specification
The utility model is construed as limiting.
Claims (4)
1. a kind of 40.5kV earthing switch novel operating mechanism including earthing switch (1), is set in the earthing switch (1)
Transmission shaft (11), cable vault (2), phase branch busbar (21), the on/off switch for connecting the cable vault (2) and the earthing switch (1)
End (3), the locating piece (31) being set in the on/off switch end (3), it is characterised in that: further include operating shaft (4), the behaviour
Make to be connected with transmission mechanism (5) between axis (4) and the transmission shaft (11), the transmission mechanism (5) is set to the operating shaft (4)
Lower section, the operating shaft (4) are socketed in the locating piece (31), and operating shaft (4) other end is socketed with axis by bearing
Hold an A(41), the bearing block A(41) it is fixed in switch cabinet, the operating shaft (4) is connected with connecting lever A(42).
2. a kind of 40.5kV earthing switch novel operating mechanism according to claim 1, it is characterised in that: the driver
Structure (5) includes pull rod A(51), shaft (52), pull rod B(53), the pull rod A(51) upper end be connected with adjust head A(61), it is described
Adjust head A(61) be arc connection sheet, the adjusting head A(61) be connected with the connecting lever A(42) by pin shaft, the pull rod
A(51) lower end be connected with adjust head B(62), shaft (52) both ends pass through bearing respectively and are socketed with bearing block B(521), axis
Hold a C(523), the bearing block B(521) it is individually fixed in the switch cabinet, described turn with the bearing block C(523)
Axis (52) both ends are connected separately with connecting lever B(522), connecting lever C(524), the pull rod B(53) lower end be connected with adjust head C(63),
The connecting lever B(522) it is connected by pin shaft with the adjusting head C(63), the connecting lever C(524) pass through pin shaft and the tune
Section header B(62) be connected, the pull rod B(53) upper end be connected with adjust head D(64), described transmission shaft (11) one end passes through bearing
It is socketed with bearing block D(111), the bearing block D(111) it is fixed in the switch cabinet, the transmission shaft (11) is connected with
Connecting lever D(112), the adjusting head D(64) it is connected with the connecting lever D(112) by pin shaft.
3. a kind of 40.5kV earthing switch novel operating mechanism according to claim 2, it is characterised in that: the bearing is equal
For oilless bearing.
4. a kind of 40.5kV earthing switch novel operating mechanism according to claim 2, it is characterised in that: the cable vault
(2) it is set to middle part in the switch cabinet, the operating shaft (4) is set to front in the switch cabinet, the earthing switch (1)
The rear portion in the switch cabinet, the shaft (52) are set to bottom in the switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631643.6U CN208781756U (en) | 2018-10-09 | 2018-10-09 | A kind of 40.5kV earthing switch novel operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631643.6U CN208781756U (en) | 2018-10-09 | 2018-10-09 | A kind of 40.5kV earthing switch novel operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781756U true CN208781756U (en) | 2019-04-23 |
Family
ID=66162981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821631643.6U Active CN208781756U (en) | 2018-10-09 | 2018-10-09 | A kind of 40.5kV earthing switch novel operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208781756U (en) |
-
2018
- 2018-10-09 CN CN201821631643.6U patent/CN208781756U/en active Active
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