CN110571091A - Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism - Google Patents
Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism Download PDFInfo
- Publication number
- CN110571091A CN110571091A CN201910914269.3A CN201910914269A CN110571091A CN 110571091 A CN110571091 A CN 110571091A CN 201910914269 A CN201910914269 A CN 201910914269A CN 110571091 A CN110571091 A CN 110571091A
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- Prior art keywords
- switch
- interlocking
- shaft
- type column
- plate
- Prior art date
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- Pending
Links
- 238000002955 isolation Methods 0.000 title claims description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, which comprises a mechanism interlocking plate, a limiting shaft, a transmission connecting plate, a main shaft connecting lever and a shaft sleeve, wherein the mechanism interlocking plate is fixedly connected to a mechanism switching-on shaft and synchronously rotates with the mechanism switching-on shaft, the lower part of the main shaft connecting lever is fixedly connected with an isolating knife switch main shaft, the upper part of the main shaft connecting lever is hinged with one end of the transmission connecting plate, the other end of the transmission connecting plate is hinged with the right end of the limiting shaft, the left end part of the limiting shaft can extend leftwards to be clamped with the mechanism interlocking plate, and the shaft sleeve is sleeved on the outer surface of the limiting shaft and is fixedly. The interlocking mechanism of the closing of the on-pole switch disconnecting link and the switch mechanism has a simple structure, can limit the rotation of the closing shaft of the circuit breaker when the closing of the disconnecting link is not in place, and avoids the switch burnout accident caused by the fact that the closing of the disconnecting link is not in place and the circuit breaker is continuously closed.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an interlocking mechanism of a pole-mounted switch.
background
The ZW32 pole-mounted switches in the current market all have the problems of inaccurate and unstable mechanical interlocking between the disconnecting switch and the circuit breaker. In the long-term outdoor use of isolation switch, there is because of the lubricated inefficacy of transmission part, and the branch resistance increases, and the artifical branch that leads to divides and shut not in place problem, and because the switch hangs in shaft tower higher position, operating personnel hardly in time discovers the problem, causes the switch to burn out after the power transmission, influences electric wire netting user's power supply.
in order to prevent the disconnecting switch from being disconnected and disconnected, a ZW32 column switch interlocking mechanism is adopted at present, the existing ZW32 column switch interlocking mechanism comprises an interlocking rod, an isolating switch main shaft limiting plate, a switch main shaft and an isolating interlocking shaft, when a column switch is switched on, the switch main shaft in a switch box body moves to the left side, the isolating interlocking shaft is driven to rotate, the interlocking rod moves to the left side and stretches out of an isolating switch support, the isolating switch main shaft limiting plate is clamped, and the operation of an isolating switch is limited.
Although the column switch with the structure has the function of switching on and locking the isolation knife switch, the column switch lacks a protective measure for locking the switch when the isolation knife switch is not switched on.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, which has a simple structure, can limit the switch-on shaft of the breaker mechanism to rotate when the isolating knife switch is not switched on in place, and avoids the switch burnout accident caused by the fact that the isolating knife switch is not switched on in place and the breaker is continuously switched on.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, which comprises a mechanism interlocking plate, a limiting shaft, a transmission connecting plate, a main shaft connecting lever and a shaft sleeve, wherein the mechanism interlocking plate is fixedly connected to a mechanism switching-on shaft and synchronously rotates with the mechanism switching-on shaft, the lower part of the main shaft connecting lever is fixedly connected with an isolating knife switch main shaft, the upper part of the main shaft connecting lever is hinged with one end of the transmission connecting plate, the other end of the transmission connecting plate is hinged with the right end of the limiting shaft, the left end part of the limiting shaft can extend leftwards to be clamped with the mechanism interlocking plate, and the shaft sleeve is sleeved on the outer surface of the limiting shaft and is fixedly connected.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolation knife and a switch mechanism, wherein the number of transmission connecting plates is two, and the right end part of a limiting shaft is positioned between the two transmission connecting plates and is hinged through a first pin shaft.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, wherein the upper part of a main shaft crank arm is hinged with a transmission connecting plate through a second pin shaft.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, wherein a limiting shaft is horizontally arranged.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolation knife and a switch mechanism, wherein a plurality of sealing rings are sleeved on the outer surface of a limiting shaft, and the sealing rings are positioned between a shaft sleeve and the limiting shaft.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, wherein a sealing gasket is arranged between a shaft sleeve and a shell of a circuit breaker.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, wherein a mechanism interlocking plate adopts a plate with a rectangular section, a main shaft connecting lever adopts a cam, the lower part of the main shaft connecting lever is provided with a mounting hole, and an isolating switch main shaft penetrates through the mounting hole and is welded and fixed with the main shaft connecting lever.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, wherein a groove is arranged on a mechanism interlocking plate, and the left end part of a limiting shaft can extend into the groove.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolation knife and a switch mechanism, wherein the left end part of a limiting shaft is blocked in the rotating direction of a mechanism interlocking plate.
the invention relates to an interlocking mechanism of a ZW32 type column switch isolation knife and a switch mechanism, wherein the left end part of a limiting shaft is positioned behind a mechanism interlocking plate.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, which is different from the prior art in that the interlocking mechanism of the ZW32 type column switch isolating knife and the switch mechanism performs mechanism interlocking by converting the rotation of an isolating knife main shaft during the separation and the separation of the isolating knife into the transverse linear motion of a limiting shaft, and comprises a mechanism interlocking plate, a limiting shaft, a transmission connecting plate, a main shaft connecting lever and a shaft sleeve, wherein the mechanism interlocking plate is fixedly connected to the mechanism closing shaft and synchronously rotates with the mechanism closing shaft; when the isolation knife is switched on, the main shaft crank arm rotates clockwise, the limiting shaft is separated from the motion track of the interlocking plate of the mechanism after the isolation knife is switched on in place, the limiting shaft is not in the motion direction of the interlocking plate of the mechanism, the interlocking is released, when the isolation knife is not switched on in place, the rotation angle of the main shaft of the isolation knife becomes small, the limiting shaft moves rightwards but cannot be separated from the motion track of the interlocking plate of the mechanism, so that the motion direction of the interlocking plate of the mechanism is clamped by the limiting shaft when the switch mechanism is switched on, the interlocking plate of the mechanism is fixedly connected with the closing shaft of the mechanism, the closing shaft of the mechanism cannot rotate continuously, the breaker mechanism is forbidden to move and cannot be closed continuously, and therefore, the switch burnout accident caused by closing a breaker.
The interlocking mechanism of the closing and switching mechanism of the pole top switch disconnecting switch is further explained with reference to the attached drawings.
Drawings
Fig. 1 is a schematic front view of an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism of the invention;
FIG. 2 is a right-side view schematic diagram of the interlocking mechanism of the ZW32 type column switch disconnecting switch and the switch mechanism of the invention;
Fig. 3 is a using state diagram of the interlocking mechanism of the ZW32 type column switch isolating knife and the switch mechanism (the isolating knife is in a semi-closing state);
Fig. 4 is a use state diagram of an interlocking mechanism of a ZW32 type column switch isolation knife and a switch mechanism (the isolation knife is in a closing state).
Detailed Description
As shown in fig. 1 and 2, the interlocking mechanism of the ZW32 type pole-mounted switch isolating knife and the switch mechanism comprises a mechanism interlocking plate 1, a limiting shaft 2, a transmission connecting plate 3, a main shaft connecting lever 4 and a shaft sleeve 5, wherein the mechanism interlocking plate 1 is fixedly connected to a mechanism switching-on shaft 10 and synchronously rotates with the mechanism switching-on shaft 10, the lower part of the main shaft connecting lever 4 is fixedly connected with an isolating knife switch main shaft 11, the upper part of the main shaft connecting lever 4 is hinged with one end of the transmission connecting plate 3, the other end of the transmission connecting plate 3 is hinged with the right end of the limiting shaft 2, the limiting shaft 2 is horizontally arranged, the left end part of the limiting shaft 2 can extend leftwards to be clamped with the mechanism interlocking plate 1, and the shaft sleeve 5 is sleeved on the outer surface of the limiting shaft 2 and is fixedly connected with.
The number of the transmission connecting plates 3 is two, as shown in fig. 1, the right end part of the limiting shaft 2 is positioned between the two transmission connecting plates 3 and is hinged through a first pin shaft 6, and the upper part of the main shaft crank arm 4 is hinged with the transmission connecting plates 3 through a second pin shaft 7.
As shown in fig. 1, the outer surface of the limiting shaft 2 is sleeved with a plurality of sealing rings 8, the sealing rings 8 are located between the shaft sleeve 5 and the limiting shaft 2, and a sealing gasket 9 is arranged between the shaft sleeve 5 and the breaker shell.
Referring to fig. 1 and 2, the mechanism interlocking plate 1 is a plate with a rectangular cross section, the spindle connecting lever 4 is a cam, a mounting hole is formed in the lower portion of the spindle connecting lever 4, and the isolation switch spindle 11 penetrates through the mounting hole and is welded and fixed with the spindle connecting lever 4.
In this embodiment, the clamping mode of the limiting shaft 2 and the mechanism interlocking plate 1 is as follows: the left end of the limiting shaft 2 is blocked in the rotation direction of the mechanism interlocking plate 1, and the left end of the limiting shaft 2 is located behind the mechanism interlocking plate 1. Of course, the clamping manner of the two can also be as follows: the mechanism interlocking plate 1 is provided with a groove, and the left end part of the limiting shaft 2 can extend into the groove.
The invention relates to an interlocking mechanism of a ZW32 type column switch isolating knife and a switch mechanism, which comprises the following steps: after a sealing gasket 9 is arranged outside the shaft sleeve 5, the shaft sleeve is arranged at a corresponding nail-carrying and hole-opening position of a breaker shell 12 and is fastened on the breaker shell 12 by bolts; installing a mechanism interlocking plate 1 on a mechanism switching-on shaft 10, wherein the position of the mechanism interlocking plate 1 corresponds to that of a shaft sleeve 5; the outer surface of the limiting shaft 2 is sleeved with a sealing ring 8 and then inserted into a shaft sleeve 5, and the right end of the limiting shaft 2 is clamped by two transmission connecting plates 3 and connected together by a first pin shaft 6; the other end of the transmission yoke plate 3 is connected with the main shaft crank arm 4 by a second pin shaft 7.
In ZW32 type pole-mounted switch (circuit breaker), the switching-on/off handle is connected with mechanism switching-on shaft 10 transmission, the closure of circuit breaker is realized through switching-on/off handle drive mechanism switching-on shaft 10 rotation, isolation switch main shaft 11 is connected with insulating pull rod 13, insulating pull rod 13 is articulated with isolation blade 14, the isolation blade 14 of operation isolation switch can drive insulating pull rod 13 motion, and then drive isolation switch main shaft 11 and rotate, main shaft connecting lever 4 and isolation switch main shaft 11 welded fastening, consequently, the isolation blade 14 of operation isolation switch can make main shaft connecting lever 4 clockwise rotate.
The interlocking mechanism of the ZW32 type column switch isolating knife and the switch mechanism performs mechanism interlocking by converting the rotation of the isolating knife switch main shaft 11 during the separation and combination of the isolating knife into the transverse linear motion of the limiting shaft 2. When the isolation knife is closed, the main shaft crank arm 4 rotates clockwise, as shown in fig. 4, after the isolation knife is closed in place, the limiting shaft 2 is separated from the movement track of the mechanism interlocking plate 1, and the limiting shaft 2 is not in the movement direction of the mechanism interlocking plate 1 to release interlocking, as shown in fig. 3, when the isolation knife is not closed in place, the rotation angle of the isolation knife main shaft 11 is reduced, the limiting shaft 2 moves rightwards but cannot be separated from the movement track of the mechanism interlocking plate 1, so that when the switching mechanism (circuit breaker) is closed, the movement direction of the mechanism interlocking plate 1 is clamped by the limiting shaft 2, the mechanism interlocking plate 1 is fixedly connected with the mechanism switching shaft 10, the mechanism switching shaft 10 cannot rotate continuously, the switching mechanism (circuit breaker) is forbidden to move and cannot be closed continuously, and therefore, the switch burnout accident caused by the closing of the circuit breaker when the isolation knife is not closed in place is avoided.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (10)
1. An interlocking mechanism of ZW32 type column switch isolating knife and switch mechanism is characterized in that: including mechanism interlocking board (1), spacing axle (2), transmission yoke plate (3), main shaft connecting lever (4), axle sleeve (5), mechanism interlocking board (1) fixed connection just with mechanism closing shaft synchronous rotation on the mechanism closing shaft, the lower part and the isolation switch main shaft fixed connection of main shaft connecting lever (4), the upper portion of main shaft connecting lever (4) is articulated with the one end of transmission yoke plate (3), the other end of transmission yoke plate (3) is articulated with the right-hand member of spacing axle (2), the left end portion of spacing axle (2) can stretch out left and construct interlocking board (1) joint, axle sleeve (5) suit is at the surface of spacing axle (2) and with circuit breaker shell fixed connection.
2. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 1, wherein: the transmission yoke plate (3) has two, and the right-hand member position of spacing axle (2) is located between two transmission yoke plates (3) and just articulates through first round pin axle (6).
3. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 2, wherein: the upper part of the main shaft crank arm (4) is hinged with the transmission yoke plate (3) through a second pin shaft (7).
4. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 3, wherein: the limiting shaft (2) is horizontally arranged.
5. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 4, wherein: the outer surface cover of spacing axle (2) is equipped with a plurality of sealing washer (8), and sealing washer (8) are located between axle sleeve (5) and spacing axle (2).
6. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 5, wherein: a sealing gasket (9) is arranged between the shaft sleeve (5) and the shell of the circuit breaker.
7. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 6, wherein: the mechanism interlocking plate (1) is a plate with a rectangular cross section, the spindle crank arm (4) is a cam, a mounting hole is formed in the lower portion of the spindle crank arm (4), and the isolation switch spindle penetrates through the mounting hole and is welded and fixed with the spindle crank arm (4).
8. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 7, wherein: a groove is formed in the mechanism interlocking plate (1), and the left end of the limiting shaft (2) can extend into the groove.
9. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 7, wherein: the left end part of the limiting shaft (2) is blocked in the rotating direction of the mechanism interlocking plate (1).
10. The interlocking mechanism of a ZW32 type column switch isolating switch and switching mechanism of claim 9, wherein: the left end part of the limiting shaft (2) is located behind the mechanism interlocking plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914269.3A CN110571091A (en) | 2019-09-25 | 2019-09-25 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910914269.3A CN110571091A (en) | 2019-09-25 | 2019-09-25 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110571091A true CN110571091A (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910914269.3A Pending CN110571091A (en) | 2019-09-25 | 2019-09-25 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110571091A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554534A (en) * | 2020-05-12 | 2020-08-18 | 南京海兴电网技术有限公司 | Quick-closing high-voltage isolating switch |
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| JP3151075U (en) * | 2009-03-27 | 2009-06-04 | 株式会社古川電機製作所 | Switching disconnector |
| CN201985019U (en) * | 2011-01-07 | 2011-09-21 | 扬州科宇电力有限公司 | Outdoor permanent magnetic vacuum circuit breaker |
| CN204966331U (en) * | 2015-07-06 | 2016-01-13 | 吉林瀚丰电气有限公司 | Interlock of high voltage isolator and circuit breaker |
| CN206179755U (en) * | 2016-10-21 | 2017-05-17 | 四川宝光电器设备有限公司 | Load switch switch -fuse combination electrical equipment's isolation control device |
| CN206947234U (en) * | 2017-07-15 | 2018-01-30 | 达得利电力设备有限公司 | A kind of high voltage isolator |
| CN108735543A (en) * | 2017-04-19 | 2018-11-02 | 施耐德电气(厦门)开关设备有限公司 | A kind of tri-station isolating switch |
| CN210223884U (en) * | 2019-09-25 | 2020-03-31 | 北京合锐清合电气有限公司 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
-
2019
- 2019-09-25 CN CN201910914269.3A patent/CN110571091A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101202182A (en) * | 2006-10-17 | 2008-06-18 | Ls产电株式会社 | Air circuit breaker, breaking spring of air circuit breaker and connection method thereof |
| JP3151075U (en) * | 2009-03-27 | 2009-06-04 | 株式会社古川電機製作所 | Switching disconnector |
| CN201985019U (en) * | 2011-01-07 | 2011-09-21 | 扬州科宇电力有限公司 | Outdoor permanent magnetic vacuum circuit breaker |
| CN204966331U (en) * | 2015-07-06 | 2016-01-13 | 吉林瀚丰电气有限公司 | Interlock of high voltage isolator and circuit breaker |
| CN206179755U (en) * | 2016-10-21 | 2017-05-17 | 四川宝光电器设备有限公司 | Load switch switch -fuse combination electrical equipment's isolation control device |
| CN108735543A (en) * | 2017-04-19 | 2018-11-02 | 施耐德电气(厦门)开关设备有限公司 | A kind of tri-station isolating switch |
| CN206947234U (en) * | 2017-07-15 | 2018-01-30 | 达得利电力设备有限公司 | A kind of high voltage isolator |
| CN210223884U (en) * | 2019-09-25 | 2020-03-31 | 北京合锐清合电气有限公司 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554534A (en) * | 2020-05-12 | 2020-08-18 | 南京海兴电网技术有限公司 | Quick-closing high-voltage isolating switch |
| CN111554534B (en) * | 2020-05-12 | 2022-03-04 | 南京海兴电网技术有限公司 | Quick-closing high-voltage isolating switch |
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