CN115763141A - High-voltage isolating switch operating mechanism - Google Patents
High-voltage isolating switch operating mechanism Download PDFInfo
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- CN115763141A CN115763141A CN202211528925.4A CN202211528925A CN115763141A CN 115763141 A CN115763141 A CN 115763141A CN 202211528925 A CN202211528925 A CN 202211528925A CN 115763141 A CN115763141 A CN 115763141A
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Abstract
The invention discloses a high-voltage isolation switch operating mechanism which comprises a mounting plate and an output shaft, wherein the output shaft is rotatably arranged on the mounting plate, one side of the upper surface of the mounting plate is detachably provided with a first insulating sleeve, the other side of the upper surface of the mounting plate is detachably provided with a second insulating sleeve, a sealing space for sealing the bottom end of the output shaft is enclosed among the first insulating sleeve, the second insulating sleeve and the mounting plate, and the output shaft is rotatably arranged between the first insulating sleeve and the second insulating sleeve. Through first insulating sleeve and the setting of second insulating sleeve, enable drive output shaft pivoted power unit part and be in sealed state, have waterproof effect to prevent the part the corroded condition from appearing, promote life, can carry out the operation of switching on and closing a floodgate in overcast and rainy weather, promote application scope, and through the sealed of first insulating sleeve and second insulating sleeve, can avoid the staff to touch the output shaft when the operation, promote the security.
Description
Technical Field
The invention relates to the field of high-voltage isolating switches, in particular to an operating mechanism of a high-voltage isolating switch.
Background
The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching over the line in the event of a voltage-loaded train load of the high-voltage installation. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, the voltage isolation function is realized, the high-voltage electrical appliance and the device cannot be used for cutting off, inputting load current and cutting off short-circuit current, and only can be used for certain switching operation without generating strong electric arcs, namely, the high-voltage electrical appliance and the device do not have the arc extinguishing function. When the high-voltage isolating switch is used, the operating mechanism is required to be used for controlling the opening and closing of the high-voltage isolating switch, and the operating mechanism of the high-voltage isolating switch in the prior art still has defects.
For example, the technical scheme of the manual operating mechanism for the high-voltage isolating switch disclosed in chinese patent No. CN114530346A is that the handle tube is lifted up slightly and then rotated to rotate the output shaft, thereby completing the switching on and off of the high-voltage isolating switch, but when the handle tube is lifted up slightly, the upper plate will contact with the output shaft, which may damage the output shaft, and when the handle tube needs to be lifted up by a worker during operation, the operation is inconvenient, and when the high-voltage isolating switch is used outdoors, the connection between the output shaft and the pin shaft is exposed to the outside, and the waterproof performance is not good.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the high-voltage isolating switch operating mechanism, by arranging the first insulating sleeve, the second insulating sleeve, the worm wheel and the worm, the switching-on and switching-off operations can be carried out in rainy weather, the application range is widened, the worker can be prevented from touching the output shaft during the operation, the safety is improved, the worker is prevented from lifting up the operation during the operation, and the operation is convenient.
In order to solve the technical problems, the invention provides the following technical scheme: high voltage isolator operating mechanism, including mounting panel and output shaft, the output shaft rotates and sets up on the mounting panel, mounting panel upper surface one side dismantlement formula is provided with first insulation sleeve, and opposite side dismantlement formula is provided with second insulation sleeve, enclose into the sealed space of sealed output shaft bottom between first insulation sleeve, second insulation sleeve and the mounting panel, the output shaft rotates and sets up between first insulation sleeve and second insulation sleeve, be provided with drive output shaft pivoted power unit in the sealed space, power unit's power take off end runs through first insulation sleeve and is connected with first insulation sleeve rotation.
As a preferred technical solution of the present invention, a second bearing is disposed between the bottom end of the output shaft and the mounting plate and is rotationally connected through the second bearing, a first bearing is fixedly connected to a position corresponding to the first insulating sleeve and the second insulating sleeve on the periphery of the output shaft, and a first sealing groove for sealing and butting the first insulating sleeve and the second insulating sleeve is formed on the periphery of the first bearing.
According to a preferable technical scheme of the invention, the bottom ends of the first insulating sleeve and the second insulating sleeve are fixedly connected with a sealing plate, one side of the bottom surface of the sealing plate is fixedly connected with a limiting slide block, two sides of the upper surface of the mounting plate are respectively provided with a first limiting groove for the limiting slide block to slide left and right, and the horizontal size of the first limiting groove is smaller than that of the sealing plate.
According to a preferable technical scheme of the invention, the front side and the back side of the limiting sliding block are fixedly connected with limiting sliding strips, the upper surface of the mounting plate is provided with slots for the limiting sliding strips to be vertically inserted, and the mounting plate is internally provided with an inner groove for the limiting sliding strips to slide left and right.
As a preferred technical scheme of the present invention, a pressing mechanism for pressing the limiting slider is disposed between the first limiting groove and the limiting slider, the pressing mechanism includes a pressing block and a spring, the pressing block is slidably disposed in the first limiting groove, one side of the pressing block abuts against the limiting slider, the spring is fixedly connected between the first limiting groove and the pressing block, a micro-reducer is disposed in the pressing block, and the micro-reducer is connected to the spring.
As a preferred technical scheme of the invention, the power mechanism comprises a driving part and a linkage part, the linkage part comprises a first bevel gear, a second bevel gear and a connecting rod, the first bevel gear is fixedly connected to the periphery of the output shaft, the second bevel gear is meshed with the first bevel gear, one end of the connecting rod is fixedly connected with the second bevel gear, the other end of the connecting rod is rotatably connected with a second supporting plate, and the bottom end of the second supporting plate is fixedly connected to the upper surface of the mounting plate.
As a preferable technical scheme of the invention, the driving part comprises a worm and a worm wheel, the worm wheel is fixedly connected to the periphery of the connecting rod, the worm is arranged below the worm wheel and is in meshed connection with the worm wheel, a third bearing is fixedly connected to the periphery of one end of the worm, the other end of the worm is rotatably connected with a first supporting plate, and the bottom end of the first supporting plate is fixedly connected to the upper surface of the mounting plate.
As a preferred technical scheme of the present invention, the first insulating sleeve is provided with a second limiting groove slidably sleeved on the periphery of the third bearing, the second insulating sleeve is fixedly connected with a cutting slip slidably inserted into the second limiting groove, and the periphery of the third bearing is provided with a second sealing groove for sealing and butting the first insulating sleeve and the cutting slip.
As a preferred technical solution of the present invention, an insulating rod is fixedly connected to one end of the worm, and the insulating rod is located at the periphery of the first insulating sleeve.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. through the setting of first insulating sleeve and second insulating sleeve, enable drive output shaft pivoted power unit part and be in sealed state, and the output shaft bottom also is in by sealed state, waterproof effect has, in case the part corrosive condition appears, promote life, can carry out the operation of switching off and closing a floodgate in overcast and rainy weather, promote application scope, and through the sealing of first insulating sleeve and second insulating sleeve, can avoid the staff to touch the output shaft when the operation, promote the security.
2. Through the setting of turbine and worm, avoid the staff to lift up the operation when the operation to prevent fish tail output shaft surface.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front cut-away view of the present invention;
FIG. 3 is a schematic view of the connection structure of the worm wheel and the worm according to the present invention;
FIG. 4 is a schematic view of a connection structure of a first insulating sleeve and a second insulating sleeve according to the present invention;
FIG. 5 is a schematic view of a first bearing structure according to the present invention;
FIG. 6 is a top view of the mounting plate of the present invention;
FIG. 7 is an enlarged view of area A of FIG. 2 according to the present invention;
FIG. 8 is an enlarged view of the area B in FIG. 2 according to the present invention.
Wherein: 1. mounting a plate; 11. a first limit groove; 12. a slot; 13. a first support plate; 14. a second support plate; 15. pressing into blocks; 151. a spring; 2. a first insulating sleeve; 21. a sealing plate; 211. a limiting slide block; 2111. a limiting slide bar; 22. a second limit groove; 3. a second insulating sleeve; 31. cutting; 4. an output shaft; 41. a first bearing; 411. a first seal groove; 42. a first bevel gear; 43. a second bearing; 5. a worm; 51. a third bearing; 511. a second seal groove; 52. an insulating rod; 53. a worm gear; 6. a second bevel gear; 61. a connecting rod.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
referring to fig. 2, the present invention provides a high voltage isolator operating mechanism, which includes a mounting plate 1 and an output shaft 4, wherein the output shaft 4 is rotatably disposed on the mounting plate 1, one side of the upper surface of the mounting plate 1 is detachably provided with a first insulating sleeve 2, the other side is detachably provided with a second insulating sleeve 3, a sealed space for sealing the bottom end of the output shaft 4 is defined between the first insulating sleeve 2, the second insulating sleeve 3 and the mounting plate 1, the output shaft 4 is rotatably disposed between the first insulating sleeve 2 and the second insulating sleeve 3, a power mechanism for driving the output shaft 4 to rotate is disposed in the sealed space, and a power output end of the power mechanism penetrates through the first insulating sleeve 2 and is rotatably connected with the first insulating sleeve 2.
In the scheme, the high-voltage isolating switch can be switched on and off by rotating the output shaft 4, the bottom end of the output shaft 4 is convenient to seal by the arrangement of the first insulating sleeve 2 and the second insulating sleeve 3, the power mechanism can be sealed to prevent the power mechanism from being exposed outside, the operation is convenient in rainy weather, the water is effectively prevented, the corrosion is prevented, and the service life is prolonged; also can carry out the operation of switching on and switching on in overcast and rainy weather, wherein, power unit's output runs through first insulating sleeve 2, is located outside the confined space, and output through rotating power unit can drive output shaft 4 and rotate this moment to accomplish switching on and switching on, avoid lifting power unit's process, with prevent fish tail output shaft 4 surface, thereby can avoid output shaft 4 the condition of electric leakage to appear, promote life.
As a further embodiment of the present embodiment, as shown in fig. 2 and fig. 5, a second bearing 43 is disposed between the bottom end of the output shaft 4 and the mounting plate 1 and is rotatably connected through the second bearing 43, a first bearing 41 is fixedly connected to the periphery of the output shaft 4 corresponding to the first insulating sleeve 2 and the second insulating sleeve 3, and a first sealing groove 411 for sealing and butting the first insulating sleeve 2 and the second insulating sleeve 3 is formed in the periphery of the first bearing 41.
As a further implementation manner of this embodiment, as shown in fig. 1, fig. 2, fig. 6 and fig. 7, the bottom ends of the first insulating sleeve 2 and the second insulating sleeve 3 are both fixedly connected with a sealing plate 21, one side of the bottom surface of the sealing plate 21 is fixedly connected with a limiting slider 211, both sides of the upper surface of the mounting plate 1 are both provided with a first limiting groove 11 for the limiting slider 211 to slide left and right, and the horizontal dimension of the first limiting groove 11 is smaller than the horizontal dimension of the sealing plate 21.
As a further embodiment of this embodiment, as shown in fig. 6 and 7, the front and back surfaces of the limiting slider 211 are fixedly connected with limiting sliding strips 2111, the upper surface of the mounting plate 1 is provided with slots 12 for the vertical insertion of the limiting sliding strips 2111, and the mounting plate 1 is provided with an inner groove for the left and right sliding of the limiting sliding strips 2111.
As a further embodiment of this embodiment, as shown in fig. 7, a pressing mechanism for pressing the limit slider 211 is disposed between the first limit groove 11 and the limit slider 211, the pressing mechanism includes a pressing block 15 and a spring 151, the pressing block 15 is slidably disposed in the first limit groove 11, one side of the pressing block 15 abuts against the limit slider 211, the spring 151 is fixedly connected between the first limit groove 11 and the pressing block 15, and a micro reducer is disposed in the pressing block 15 and connected to the spring 151.
The limiting sliding block 211 and the limiting sliding strip 2111 are inserted into the first limiting groove 11 and the slot 12, the limiting sliding strip 2111 is communicated with an inner groove formed in the mounting plate 1, the pressing block 15 abuts against one side of the limiting sliding block 211 at the moment, then the first insulating sleeve 2 and the second insulating sleeve 3 are loosened, the limiting sliding block 211 can be limited in the first limiting groove 11 under the action of the spring 151, the sealing plate 21 is fixed, the miniature speed reducer is arranged in the pressing block 15, the surface spring 151 can repeatedly jump, the limiting sliding block 211 can be stably abutted, the first insulating sleeve 2 and the second insulating sleeve 3 are in sealed butt joint in a first sealing groove 411 formed in the periphery of the first bearing 41 at the moment, the first insulating sleeve 2 and the second insulating sleeve 3 are in sealed butt joint in the periphery of the output end of the power mechanism, the sealing space is in a sealing state, and the power mechanism is sealed.
Wherein, first insulating sleeve 2 and second insulating sleeve 3 are insulating material, with power unit and 4 bottom seals of output shaft in confined space, can carry out waterproofly effectively, avoid exposing in the external world, make high voltage isolator can be suitable for indoor also can be suitable for outdoor, promote application scope, through the sealing of first insulating sleeve 2 and second insulating sleeve 3, also can avoid the staff to touch output shaft 4 when the operation, can avoid the staff to touch electrified part simultaneously, the operation can be avoided electrically conducting through the rainwater in overcast and rainy weather, the safety performance is promoted.
As a further embodiment of the present embodiment, as shown in fig. 2 and 8, the power mechanism includes a driving part and a linkage part, the linkage part includes a first bevel gear 42, a second bevel gear 6 and a connecting rod 61, the first bevel gear 42 is fixedly connected to the periphery of the output shaft 4, the second bevel gear 6 is in meshed connection with the first bevel gear 42, one end of the connecting rod 61 is fixedly connected with the second bevel gear 6, the other end is rotatably connected with the second supporting plate 14, and the bottom end of the second supporting plate 14 is fixedly connected to the upper surface of the mounting plate 1.
As a further embodiment of the present embodiment, as shown in fig. 2, fig. 3 and fig. 8, the driving part includes a worm 5 and a worm wheel 53, the worm wheel 53 is fixedly connected to the periphery of the connecting rod 61, the worm 5 is disposed below the worm wheel 53, the worm 5 is engaged with the worm wheel 53, one end of the worm 5 is fixedly connected to the third bearing 51 on the periphery, the other end is rotatably connected to the first supporting plate 13, and the bottom end of the first supporting plate 13 is fixedly connected to the upper surface of the mounting plate 1.
As a further embodiment of this embodiment, as shown in fig. 3 and fig. 4, the first insulating sleeve 2 is provided with a second limiting groove 22 slidably sleeved on the periphery of the third bearing 51, the second insulating sleeve 3 is fixedly connected with an inserting strip 31 slidably inserted into the second limiting groove 22, and the third bearing 51 is provided with a second sealing groove 511 for sealing and abutting the first insulating sleeve 2 and the inserting strip 31.
As a further embodiment of the present embodiment, as shown in fig. 1 and 3, an insulating rod 52 is fixedly connected to one end of the worm 5, and the insulating rod 52 is located at the periphery of the first insulating sleeve 2.
Through the setting of third bearing 51, when first insulating sleeve 2 and second insulating sleeve 3 butt joint, can overlap and establish in third bearing 51 periphery, so that the sealed butt joint of first insulating sleeve 2 and second insulating sleeve 3, when needing to open a floodgate and close a floodgate, can drive worm 5 through rotating insulator spindle 52 and rotate, worm 5 drives worm wheel 53 and rotates, worm wheel 53 drives connecting rod 61 and rotates, connecting rod 61 drives second bevel gear 6 and rotates, second bevel gear 6 drives first bevel gear 42 and rotates, first bevel gear 42 drives output shaft 4 and rotates, can make output shaft 4 sealed rotation under the effect of first bearing 41, thereby realize high voltage isolator's switching-on and switching-off, convenient operation.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. High voltage isolator operating mechanism, including mounting panel (1) and output shaft (4), output shaft (4) rotate to set up on mounting panel (1), its characterized in that: mounting panel (1) upper surface one side dismantlement formula is provided with first insulation sleeve (2), and the opposite side dismantlement formula is provided with second insulation sleeve (3), enclose the confined space who becomes sealed output shaft (4) bottom between first insulation sleeve (2), second insulation sleeve (3) and mounting panel (1), output shaft (4) are rotated and are set up between first insulation sleeve (2) and second insulation sleeve (3), be provided with drive output shaft (4) pivoted power unit in the confined space, power unit's power take off end runs through first insulation sleeve (2) and rotates with first insulation sleeve (2) and is connected.
2. The high voltage isolator actuator of claim 1, wherein: be provided with second bearing (43) between output shaft (4) bottom and mounting panel (1) and rotate through second bearing (43) and connect, output shaft (4) periphery corresponds first insulating sleeve (2) and second insulating sleeve (3) and locates first bearing (41) of fixedly connected with, first seal groove (411) that supply first insulating sleeve (2) and second insulating sleeve (3) sealed butt joint are seted up to first bearing (41) periphery.
3. The high voltage isolator actuator of claim 1, wherein: first insulating sleeve (2) and second insulating sleeve (3) bottom equal fixedly connected with closing plate (21), closing plate (21) bottom surface one side fixedly connected with limit slide (211), mounting panel (1) upper surface both sides are all seted up and are supplied first spacing groove (11) of limit slide (211) horizontal slip, first spacing groove (11) horizontal dimension is less than closing plate (21) horizontal dimension.
4. The high voltage isolation switch operating mechanism according to claim 3, wherein: spacing slider (211) openly with the equal fixedly connected with spacing draw runner (2111) in the back, slot (12) that supply spacing draw runner (2111) to peg graft from top to bottom are seted up to mounting panel (1) upper surface, set up the inside groove that supplies spacing draw runner (2111) horizontal slip in mounting panel (1).
5. The high voltage isolator actuator of claim 3, wherein: be provided with the hold-down mechanism who extrudes limiting slide block (211) between first spacing groove (11) and limiting slide block (211), hold-down mechanism includes briquetting (15) and spring (151), briquetting (15) slide to set up in first spacing groove (11), briquetting (15) one side is inconsistent with limiting slide block (211), spring (151) fixed connection is between first spacing groove (11) and briquetting (15), be provided with miniature reduction gear in briquetting (15), miniature reduction gear is connected with spring (151).
6. The high voltage isolation switch operating mechanism according to claim 1, wherein: the power mechanism comprises a driving part and a linkage part, the linkage part comprises a first bevel gear (42), a second bevel gear (6) and a connecting rod (61), the first bevel gear (42) is fixedly connected to the periphery of the output shaft (4), the second bevel gear (6) is meshed with the first bevel gear (42) to be connected, one end of the connecting rod (61) is fixedly connected with the second bevel gear (6), the other end of the connecting rod is rotatably connected with a second supporting plate (14), and the bottom end of the second supporting plate (14) is fixedly connected to the upper surface of the mounting plate (1).
7. The high voltage isolator actuator of claim 6, wherein: drive unit includes worm (5) and worm wheel (53), worm wheel (53) fixed connection is peripheral at connecting rod (61), worm (5) set up in worm wheel (53) below, worm (5) and worm wheel (53) meshing are connected, the peripheral fixedly connected with third bearing (51) of worm (5) one end, the other end rotates and is connected with first backup pad (13), first backup pad (13) bottom fixed connection is at mounting panel (1) upper surface.
8. The high voltage isolator actuator of claim 7, wherein: seted up on first insulating sleeve (2) and established sliding sleeve and establish at third bearing (51) outlying second spacing groove (22), fixedly connected with slides cutting (31) of pegging graft in second spacing groove (22) on second insulating sleeve (3), second seal groove (511) that supply first insulating sleeve (2) and cutting (31) sealed butt joint are seted up in third bearing (51) periphery.
9. The high voltage isolator actuator of claim 7, wherein: one end of the worm (5) is fixedly connected with an insulating rod (52), and the insulating rod (52) is located on the periphery of the first insulating sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211528925.4A CN115763141A (en) | 2022-11-30 | 2022-11-30 | High-voltage isolating switch operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211528925.4A CN115763141A (en) | 2022-11-30 | 2022-11-30 | High-voltage isolating switch operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115763141A true CN115763141A (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211528925.4A Pending CN115763141A (en) | 2022-11-30 | 2022-11-30 | High-voltage isolating switch operating mechanism |
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| Country | Link |
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| CN (1) | CN115763141A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766326A (en) * | 2024-01-11 | 2024-03-26 | 河北华能源电力设备有限公司 | Closed outdoor high-voltage isolating switch |
-
2022
- 2022-11-30 CN CN202211528925.4A patent/CN115763141A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117766326A (en) * | 2024-01-11 | 2024-03-26 | 河北华能源电力设备有限公司 | Closed outdoor high-voltage isolating switch |
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