CN210223884U - 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
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- CN210223884U CN210223884U CN201921601937.9U CN201921601937U CN210223884U CN 210223884 U CN210223884 U CN 210223884U CN 201921601937 U CN201921601937 U CN 201921601937U CN 210223884 U CN210223884 U CN 210223884U
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Abstract
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, including the mechanism interlocking board, spacing axle, the transmission yoke plate, the main shaft connecting lever, the axle sleeve, mechanism interlocking board fixed connection is epaxial and with the synchronous rotation of mechanism combined floodgate axle at the mechanism combined floodgate, the lower part and the isolation switch main shaft fixed connection of main shaft connecting lever, the upper portion of main shaft connecting lever is articulated with the one end of transmission yoke plate, the other end of transmission yoke plate is articulated with the right-hand member of spacing axle, the left end portion of spacing axle can stretch out left with the interlocking board joint of mechanism, the axle sleeve suit is at the surface of spacing axle and with circuit breaker housing fixed connection. The utility model discloses column switch isolator combined floodgate and switching mechanism's interlocking device, simple structure can restrict circuit breaker switching-on axle when isolation switch combined floodgate is not in place and rotate, avoids taking place because of isolation switch combined floodgate is not in place, continue the switch burnout accident that closed circuit breaker leads to.
Description
Technical Field
The utility model relates to a power equipment field, concretely relates to column switch interlocking device.
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.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a ZW32 type column switch isolation knife and switching mechanism's interlocking device, its simple structure can restrict circuit breaker mechanism closing shaft when isolation switch combined floodgate is not in place and rotate, avoids taking place because of the switch burnout accident that isolation switch combined floodgate was not in place, continued closed circuit breaker leads to.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, including mechanism interlocking board, spacing axle, transmission yoke plate, main shaft connecting arm, axle sleeve, mechanism interlocking board fixed connection is epaxial and with the synchronous rotation of mechanism combined floodgate axle at the mechanism combined floodgate, the lower part and the isolation switch main shaft fixed connection of main shaft connecting arm, the upper portion of main shaft connecting arm is articulated with the one end of transmission yoke plate, the other end of transmission yoke plate is articulated with the right-hand member of spacing axle, the left end portion of spacing axle can stretch out left with mechanism interlocking board joint, the axle sleeve suit at the surface of spacing axle and with circuit breaker housing fixed connection.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, the transmission yoke plate has two, and the right-hand member position of spacing axle is located between two transmission yoke plates and articulated through first round pin axle.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, the upper portion of main shaft connecting lever with the transmission yoke plate is articulated through second round pin axle.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, spacing axle level sets up.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, the surface cover of spacing axle is equipped with a plurality of sealing washers, and the sealing washer is located between axle sleeve and the spacing axle.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, be provided with sealed the pad between axle sleeve and the circuit breaker housing.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, the mechanism interlocking board adopts the cross-section to be the board of rectangle, the main shaft turning arm adopts the cam, and the lower part of main shaft turning arm is provided with the mounting hole, and isolation switch main shaft passes the mounting hole and with main shaft turning arm welded fastening.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, be provided with the recess on the mechanism interlocking board, the left end portion of spacing axle can stretch into in the recess.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, the left end portion of spacing axle blocks on the rotation direction of mechanism interlocking board.
The utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device, wherein, the left end of spacing axle is located the rear of mechanism interlocking board.
The difference between the interlocking mechanism of the ZW32 type column switch isolating knife and the switch mechanism of the utility model and the prior art is that the interlocking mechanism of the ZW32 type column switch isolating knife and the switch mechanism of the utility model, the mechanism interlocking is carried out by converting the rotation of the isolating knife switch main shaft into the transverse linear motion of the limiting shaft during the separation and separation of the isolating knife, and comprises a mechanism interlocking plate, the limiting shaft, a transmission connecting plate, a main shaft crank arm and a shaft sleeve, the mechanism interlocking plate is fixedly connected to the 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 the isolation disconnecting link 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 with the shell of the circuit breaker; 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-mounted switch disconnecting switch of the present invention will be further explained with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic front view of an interlocking mechanism of a ZW32 type column switch disconnecting switch and a switch mechanism of the present invention;
fig. 2 is a right view structure diagram of the interlocking mechanism of the ZW32 type column switch disconnecting switch and the switch mechanism of the present invention;
fig. 3 is a use state diagram of the interlocking mechanism of the ZW32 type column switch isolating knife and the switch mechanism of the present invention (the isolating knife is in a semi-closing state);
fig. 4 is a use state diagram of the interlocking mechanism of the ZW32 type column switch isolation knife and the switch mechanism of the present invention (the isolation knife is in a closing state).
Detailed Description
As shown in fig. 1 and 2, the utility model discloses ZW32 type column switch isolation knife includes mechanism interlocking board 1, spacing axle 2, transmission yoke plate 3, main shaft connecting lever 4, axle sleeve 5, 1 fixed connection of mechanism interlocking board just with mechanism closing shaft 10 synchronous rotation on mechanism closing shaft 10, main shaft connecting lever 4's lower part and isolation switch main shaft 11 fixed connection, main shaft connecting lever 4's upper portion is articulated with the one end of transmission yoke plate 3, the other end of transmission yoke plate 3 is articulated with spacing axle 2's right-hand member, spacing axle 2 level sets up, spacing axle 2's left end portion can stretch out left with 1 joint of mechanism interlocking board, axle sleeve 5 suit is at spacing axle 2's surface and with circuit breaker shell 12 fixed connection.
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 utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device's installation step is as follows: 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 utility model discloses ZW32 type column switch isolation knife and switching mechanism's interlocking device carries out the mechanism interlocking through the horizontal linear motion who turns into spacing axle 2 to the rotation that separates switch main shaft 11 when deciliter isolation knife. 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 only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims 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 |
|---|---|---|---|
| CN201921601937.9U CN210223884U (en) | 2019-09-25 | 2019-09-25 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921601937.9U CN210223884U (en) | 2019-09-25 | 2019-09-25 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
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| CN210223884U true CN210223884U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921601937.9U Active CN210223884U (en) | 2019-09-25 | 2019-09-25 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571091A (en) * | 2019-09-25 | 2019-12-13 | 北京合锐清合电气有限公司 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
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2019
- 2019-09-25 CN CN201921601937.9U patent/CN210223884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110571091A (en) * | 2019-09-25 | 2019-12-13 | 北京合锐清合电气有限公司 | Interlocking mechanism of ZW32 type pole switch isolation knife and switch mechanism |
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