CN210984590U - Large-torque 126KV common-box GIS isolating grounding switch operating mechanism - Google Patents
Large-torque 126KV common-box GIS isolating grounding switch operating mechanism Download PDFInfo
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- CN210984590U CN210984590U CN201922450768.XU CN201922450768U CN210984590U CN 210984590 U CN210984590 U CN 210984590U CN 201922450768 U CN201922450768 U CN 201922450768U CN 210984590 U CN210984590 U CN 210984590U
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Abstract
The large-torque 126KV common-box GIS isolating grounding switch operating mechanism comprises a machine core, an auxiliary switch, a pressing plate, a switching indicating cover, a switching indicating head, a heater, an auxiliary switching base plate, a mechanism box, a bevel gear seat, an auxiliary switching shifting fork, a large bevel gear, a small bevel gear and an oilless bearing; the machine core is arranged on a bottom plate of the mechanism box through a first locking piece; the auxiliary switch is arranged on the auxiliary support saddle through a screw, and the bevel gear seat is connected with the auxiliary support saddle in an interference fit manner; the oilless bearing is arranged on the bevel gear seat; the large bevel gear is meshed with the small bevel gear; the auxiliary opening shifting fork is arranged on the large bevel gear; the heater cover covers the heater and is arranged on the auxiliary support saddle; the opening and closing indicating head is rotatably arranged on the mechanism box, and the connecting rod is in threaded connection with the opening and closing indicating head; the pressing plate is arranged on the mechanism box and presses the opening and closing indicating cover. The utility model is safe and reliable, simple in transmission, and simple in processing and assembling process; the leakproofness is good, prevents effectively that auxiliary switch from damaging because of excessive rotation.
Description
Technical Field
The utility model relates to a combined electrical apparatus field especially relates to a big moment of torsion 126KV is case GIS isolation earthing switch operating mechanism altogether.
Background
In recent years, with the development of gas insulated metal switchgear, especially in a 126kV common box GIS, a three-station isolation grounding switch has been increasingly adopted by various manufacturers, due to its advantages of small size, compact structure, high complexity, flexible and various configurations, and capability of realizing mechanical interlocking of the isolation switch and the grounding switch, thereby improving reliability. However, the operating mechanism of the currently used three-position isolating grounding switch has poor reliability and high failure rate, the torque of the three-position isolating grounding switch is increased after the three-position isolating grounding switch is used for many years, the phenomenon that the three-position mechanism cannot drive the switch often occurs, especially when water leakage occurs when the three-position isolating grounding switch is used in a rainy area, the progress of electric power construction is influenced, and the safety of personnel is seriously influenced.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In order to solve the technical problem existing in the background technology, the utility model provides a large torque 126KV
The common-box GIS isolating grounding switch operating mechanism is safe and reliable, simple in transmission and simple in processing and assembling process; the leakproofness is good, prevents effectively that auxiliary switch from damaging because of excessive rotation.
(II) technical scheme
The utility model provides a big moment of torsion 126KV is case GIS keeps apart earthing switch operating mechanism altogether, including core, auxiliary switch, clamp plate, deciliter indicator cap, deciliter indicator head, heater cover, heater support, the vice bedplate of spending, mechanism case, bevel gear seat, the vice shift fork of opening, big bevel gear, little bevel gear, oilless bearing, first retaining member, second retaining member, third retaining member, connecting rod and fourth retaining member;
the mechanism box is provided with a through hole, the mechanism box is correspondingly provided with a through hole, the mechanism is arranged on a bottom plate of the mechanism box through a first locking part, and the mechanism is positioned in the mechanism box;
the auxiliary support saddle is provided with a threaded hole, a through hole is correspondingly formed in a bottom plate of the mechanism box, and the fourth locking part penetrates through the mechanism box and is in threaded connection with the auxiliary support saddle; the auxiliary switch is arranged on the auxiliary support saddle plate through a screw, the connecting rod is arranged on the auxiliary switch, and the small bevel gear is arranged on the connecting rod; the bevel gear seat is connected with the auxiliary branch seat plate in an interference fit manner; the bevel gear seat is provided with a central hole, the oilless bearing is arranged on the bevel gear seat and is positioned in the central hole, and the bevel gear seat is provided with a retainer ring; the large bevel gear is arranged on the oilless bearing and is in meshed connection with the small bevel gear; the auxiliary opening shifting fork is arranged on the large bevel gear and is positioned between the large bevel gear and the oilless bearing; the heater is arranged on the heater bracket, and the heater cover covers the heater and is locked on the auxiliary support seat plate through a third locking piece;
the opening and closing indicating head is rotatably arranged on the mechanism box and extends towards the interior of the mechanism box, a threaded hole is formed in one end, located in the mechanism box, of the opening and closing indicating head, an external thread is formed in one end, away from the bevel pinion, of the connecting rod, and the connecting rod is in threaded connection with the opening and closing indicating head and is locked through a nut; the opening and closing indicating cover is arranged on the mechanism box and covers the opening and closing indicating head, and the pressing plate is fixed on the mechanism box through the second locking part and presses the opening and closing indicating cover tightly.
Preferably, the movement is provided with a roller.
Preferably, the shape of the inner hole of the auxiliary opening shifting fork is matched with the shaft appearance of the large bevel gear, and the groove on the auxiliary opening shifting fork is matched with the roller on the machine core.
Preferably, the bevel pinion is screwed to the connecting rod.
Preferably, the mechanism further comprises a sealing ring, and the sealing ring is arranged on the split-combination indicating cover and props against the mechanism box. Preferably, the first locking member, the third locking member and the fourth locking member are bolts.
Preferably, the second locking member is a screw.
The above technical scheme of the utility model has following profitable technological effect: when the grounding side is switched on, the bevel pinion drives the rotating shaft of the auxiliary switch to rotate 90 degrees, meanwhile, the auxiliary switch drives the on-off indicating head to rotate 90 degrees, and the on-off indicating head is positioned at the on position; when the grounding side is switched off, the small bevel gear drives the rotating shaft of the auxiliary switch to rotate 90 degrees through the meshing of the large bevel gear and the small bevel gear, meanwhile, the auxiliary switch drives the on-off indicating head to rotate 90 degrees, and the on-off indicating head is positioned at the 'on' position; the appearance of the auxiliary opening shifting fork is specially designed, when the auxiliary switch rotates by 90 degrees, the oblique edge of the roller, which is contacted with the auxiliary opening shifting fork, is parallel to the moving direction of the roller, and even if the roller continues to move, the auxiliary opening shifting fork cannot be shifted, namely the maximum rotating angle position of the auxiliary switch is 90 degrees, so that the problem that the auxiliary switch of the traditional mechanism is damaged due to excessive rotation is effectively solved; the connecting bolt of the mechanism box and the core is not exposed, the auxiliary branch base plate is fixed on the mechanism box by adopting the inner hexagon screw, the bolt is not exposed, the opening and closing indicating head is sealed by the opening and closing indicating cover, the water leakage point is reduced, and the sealing performance is better and safer.
Drawings
Fig. 1 is the structural schematic diagram of the large-torque 126KV common-box GIS isolating and grounding switch operating mechanism provided by the utility model.
Fig. 2 is a right side view of the large torque 126KV common box GIS isolating grounding switch operating mechanism provided by the utility model.
Fig. 3 is a sectional view of a position a-a in the large-torque 126KV common-box GIS isolating grounding switch operating mechanism provided by the utility model.
Fig. 4 is the utility model provides a structural schematic of the supplementary shift fork that opens in big moment of torsion 126KV total case GIS isolation earthing switch operating mechanism.
Fig. 5 is the structure schematic diagram of the large torque 126KV common box GIS isolating and grounding switch operating mechanism when closing the switch.
Fig. 6 is the structure schematic diagram of the large torque 126KV common box GIS isolating grounding switch operating mechanism during closing.
Reference numerals: 1. a movement; 2. an auxiliary switch; 3. pressing a plate; 4. a separation and combination indicating cover; 5. a separation and combination indicating head; 6. a heater cover; 7. a heater; 8. a heater supporter; 9. a subsidiary branch seat board; 10. a mechanism box; 11. a bevel gear seat; 12. opening a shifting fork in an auxiliary mode; 13. a large bevel gear; 14. a bevel pinion gear; 15. an oilless bearing; 16. a retainer ring; 17. a first locking member; 18. a second locking member; 19. a seal ring; 20. a third locking member;
21. a connecting rod; 22. and a fourth locking member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-6, the utility model provides a big moment of torsion 126KV is case GIS isolation earthing switch operating mechanism altogether, including core 1, auxiliary switch 2, clamp plate 3, deciliter indicator cover 4, deciliter indicator head 5, heater cover 6, heater 7, heater support 8, auxiliary branch bedplate 9, mechanism case 10, bevel gear seat 11, subsidiary division fork 12, big bevel gear 13, little bevel gear 14, oilless bearing 15, first retaining member 17, second retaining member 18, third retaining member 20, connecting rod 21 and fourth retaining member 22;
the machine core 1 is provided with a through hole, the mechanism box 10 is correspondingly provided with a through hole, the machine core 1 is arranged on a bottom plate of the mechanism box 10 through a first locking piece 17, and the machine core 1 is positioned in the mechanism box 10; the auxiliary supporting seat plate 9 is provided with a threaded hole, a through hole is correspondingly arranged on the bottom plate of the mechanism box 10, and the fourth locking piece 22 passes through the mechanism box 10 and is in threaded connection with the auxiliary supporting seat plate 9; the auxiliary switch 2 is arranged on the auxiliary support pin plate 9 through screws, the connecting rod 21 is arranged on the auxiliary switch 2, and the small bevel gear 14 is arranged on the connecting rod 21; the bevel gear seat 11 is connected with the auxiliary branch seat plate 9 in an interference fit manner; a central hole is arranged on the bevel gear seat 11, an oilless bearing 15 is arranged on the bevel gear seat 11 and is positioned in the central hole, and a retainer ring 16 is arranged on the bevel gear seat 11;
the large bevel gear 13 is arranged on the oilless bearing 15 and is in meshed connection with the small bevel gear 14; the auxiliary opening shifting fork 12 is arranged on the large bevel gear 13 and is positioned between the large bevel gear 13 and the oilless bearing 15; the heater 7 is arranged on the heater bracket 8, and the heater cover 6 covers the heater 7 and is locked on the subsidiary support board 9 through a third locking piece 20;
the opening and closing indicating head 5 is rotatably arranged on the mechanism box 10 and extends towards the inside of the mechanism box 10, a threaded hole is formed in one end, located in the mechanism box 10, of the opening and closing indicating head 5, an external thread is formed in one end, away from the bevel pinion 14, of the connecting rod 21, and the connecting rod 21 and the opening and closing indicating head 5 are in threaded connection and are locked through a nut; the opening and closing indicating cover 4 is arranged on the mechanism box 10 and covers the opening and closing indicating head 5, and the pressing plate 3 is fixed on the mechanism box 10 through the second locking piece 18 and presses the opening and closing indicating cover 4.
In an alternative embodiment, the movement 1 is provided with rollers.
In an alternative embodiment, the shape of the inner bore of the auxiliary opening fork 12 matches the shaft profile of the large bevel gear, and the groove on the auxiliary opening fork 12 matches the roller on the movement. In an alternative embodiment, the bevel pinion 14 is screwed to the connecting rod 21,
is convenient to disassemble and maintain.
In an optional embodiment, the device further comprises a sealing ring 19, wherein the sealing ring 19 is arranged on the separation and combination indicating cover 4 and is abutted against the mechanism box 10, so that the sealing performance is improved, and rainwater is prevented from entering the mechanism box 10.
In an alternative embodiment, first locking member 17, third locking member 20, and fourth locking member 22 are bolts.
In an alternative embodiment, second locking member 18 is a screw.
In the utility model, during operation, when the ground side is switched on, the roller on the side of the core 1 moves linearly towards the switching-on direction, the roller drives the auxiliary opening shifting fork 12 to rotate around the center of the bevel gear seat 11, after the switching-on is in place, the roller stops moving, the auxiliary opening shifting fork 12 rotates by a fixed angle, the small bevel gear 14 drives the rotating shaft of the auxiliary switch 2 to rotate by 90 degrees through the meshing of the large bevel gear 13 and the small bevel gear 14, meanwhile, the auxiliary switch 2 drives the switching-off indicating head 5 to rotate by 90 degrees, and the switching-off indicating head 5 is positioned at the switching-on position; when the grounding side is opened, the roller on the side of the machine core 1 moves linearly towards the opening direction, the roller drives the auxiliary opening shifting fork 12 to rotate around the center of the bevel gear seat 11, the roller stops moving after the opening is in place, the auxiliary opening shifting fork 12 rotates by a fixed angle, the small bevel gear 14 drives the rotating shaft of the auxiliary switch 2 to rotate by 90 degrees through the meshing of the large bevel gear 13 and the small bevel gear 14, meanwhile, the auxiliary switch 2 drives the opening and closing indicating head 5 to rotate by 90 degrees, and the opening and closing indicating head 5 is positioned at the opening position; the motion principle of the isolation side switch-on and switch-off is consistent with that of the grounding side switch-on and switch-off; the appearance of the auxiliary switch fork 12 is specially designed, when the auxiliary switch rotates by 90 degrees, the oblique edge of the roller, which is contacted with the auxiliary switch fork 12, is parallel to the moving direction of the roller, even if the roller continues to move, the auxiliary switch fork 12 cannot be switched, namely the maximum rotation angle position of the auxiliary switch 2 is 90 degrees, and the problem that the auxiliary switch of the traditional mechanism is damaged due to over-rotation is effectively solved; the connecting bolt of the mechanism box 10 and the machine core 1 is not exposed, the auxiliary support saddle plate 9 is fixed on the mechanism box 10 by adopting an inner hexagon screw, the bolt is not exposed, the opening and closing indicating head 5 is sealed by the opening and closing indicating cover 4, the water leakage point is reduced, and the sealing performance is better and safer.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. The large-torque 126KV common-box GIS isolating grounding switch operating mechanism is characterized by comprising a machine core (1), an auxiliary switch (2), a pressing plate (3), a split-combined indicating cover (4), a split-combined indicating head (5), a heater cover (6), a heater (7), a heater support (8), an auxiliary branch base plate (9), a mechanism box (10), a bevel gear seat (11), an auxiliary-opened shifting fork (12), a large bevel gear (13), a small bevel gear (14), an oil-free bearing (15), a first locking member (17), a second locking member (18), a third locking member (20), a connecting rod (21) and a fourth locking member (22);
the mechanism box (10) is correspondingly provided with through holes, the mechanism box (1) is arranged on a bottom plate of the mechanism box (10) through a first locking part (17), and the mechanism (1) is positioned in the mechanism box (10);
the auxiliary supporting seat plate (9) is provided with a threaded hole, a through hole is correspondingly arranged on the bottom plate of the mechanism box (10), and the fourth locking part (22) penetrates through the mechanism box (10) and is in threaded connection with the auxiliary supporting seat plate (9); the auxiliary switch (2) is arranged on the auxiliary support base plate (9) through screws, the connecting rod (21) is arranged on the auxiliary switch (2), and the small bevel gear (14) is arranged on the connecting rod (21); the bevel gear seat (11) is connected with the auxiliary supporting seat plate (9) in an interference fit manner; a central hole is arranged on the bevel gear seat (11), an oilless bearing (15) is arranged on the bevel gear seat (11) and is positioned in the central hole, and a retainer ring (16) is arranged on the bevel gear seat (11); the large bevel gear (13) is arranged on the oilless bearing (15) and is in meshed connection with the small bevel gear (14); the auxiliary opening shifting fork (12) is arranged on the large bevel gear (13) and is positioned between the large bevel gear (13) and the oilless bearing (15); the heater (7) is arranged on the heater bracket (8), and the heater cover (6) covers the heater (7) and is locked on the auxiliary support seat plate (9) through a third locking piece (20);
the opening and closing indicating head (5) is rotatably arranged on the mechanism box (10) and extends towards the inside of the mechanism box (10), a threaded hole is formed in one end, located in the mechanism box (10), of the opening and closing indicating head (5), an external thread is formed in one end, away from the bevel pinion (14), of the connecting rod (21), and the connecting rod (21) is in threaded connection with the opening and closing indicating head (5) and locked through a nut; the opening and closing indicating cover (4) is arranged on the mechanism box (10) and covers the opening and closing indicating head (5), and the pressing plate (3) is fixed on the mechanism box (10) through the second locking piece (18) and presses the opening and closing indicating cover (4).
2. The high-torque 126KV common-box GIS isolating grounding switch operating mechanism according to claim 1, wherein a roller is arranged on the movement (1).
3. The high-torque 126KV common-box GIS isolating grounding switch operating mechanism according to claim 1, wherein the shape of an inner hole of the auxiliary opening shifting fork (12) is matched with the shaft shape of the large bevel gear, and a groove on the auxiliary opening shifting fork (12) is matched with a roller on the movement.
4. The high-torque 126KV common-box GIS isolating and grounding switch operating mechanism as claimed in claim 1, wherein the small bevel gear (14) is locked on the connecting rod (21) through screws.
5. The high-torque 126KV common-box GIS isolating and grounding switch operating mechanism according to claim 1, further comprising a sealing ring (19), wherein the sealing ring (19) is arranged on the dividing and combining indicating cover (4) and abuts against the mechanism box (10).
6. The high-torque 126KV common-box GIS isolating and grounding switch operating mechanism as claimed in claim 1, wherein the first locking member (17), the third locking member (20) and the fourth locking member (22) are bolts.
7. The high-torque 126KV common-box GIS isolating and grounding switch operating mechanism according to claim 1, wherein the second locking member (18) is a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450768.XU CN210984590U (en) | 2019-12-30 | 2019-12-30 | Large-torque 126KV common-box GIS isolating grounding switch operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922450768.XU CN210984590U (en) | 2019-12-30 | 2019-12-30 | Large-torque 126KV common-box GIS isolating grounding switch operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210984590U true CN210984590U (en) | 2020-07-10 |
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ID=71420743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922450768.XU Active CN210984590U (en) | 2019-12-30 | 2019-12-30 | Large-torque 126KV common-box GIS isolating grounding switch operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210984590U (en) |
-
2019
- 2019-12-30 CN CN201922450768.XU patent/CN210984590U/en active Active
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Effective date of registration: 20211110 Address after: 271000 No. 11526 Longtan South Road, hi tech Zone, Tai'an City, Shandong Province Patentee after: Shandong taikai Electric Machinery Co., Ltd Address before: 271000 middle section of Longteng Road, high tech Development Zone, Tai'an City, Shandong Province Patentee before: Shandong taikai high voltage switchgear Co., Ltd |