CN217485346U - Auxiliary switch conversion structure of three-station mechanism for medium-voltage switch - Google Patents
Auxiliary switch conversion structure of three-station mechanism for medium-voltage switch Download PDFInfo
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- CN217485346U CN217485346U CN202221225537.4U CN202221225537U CN217485346U CN 217485346 U CN217485346 U CN 217485346U CN 202221225537 U CN202221225537 U CN 202221225537U CN 217485346 U CN217485346 U CN 217485346U
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Abstract
The utility model discloses a well pressure switch is with auxiliary switch transform structure of three station mechanisms relates to well pressure switch technical field, including switching board, switching dish A and switching dish B, the top of switching board is provided with the driving shaft. The utility model discloses a set up three fixed pin and all set up the recess that two degree of depth are different on switching dish A and switching dish B on switching the board, when closing (dividing) the floodgate motion of side or ground connection side is kept apart in the mechanism, the fixed pin on the switching board can fall into corresponding one side switching dish A or switching dish B's inslot, thereby drive switching dish A or switching dish B and the auxiliary switch rotation that corresponds, switch the recess design on dish A and the switching dish B, be used for realizing with auxiliary switch's conversion, make whole stable in structure reliable, the locking power is stronger, direct when not causing the influence to the original function of mechanism reform transform the mechanism, thereby further improvement auxiliary switch auto-change device's practicality.
Description
Technical Field
The utility model relates to a medium voltage switch technical field, in particular to auxiliary switch conversion structure of three station mechanisms for medium voltage switch.
Background
According to the latest requirements of a national power grid on the operation of a power station, a medium-voltage switch requires a mechanism to ensure that auxiliary switches on two sides of an isolation side and a grounding side rotate by corresponding angles along with the output rotation of the mechanism in the switching-on and switching-off processes of the mechanism so as to determine that the auxiliary switches give signals at corresponding switching-on and switching-off positions, and a switching disc is arranged below the auxiliary switches in the mechanism in the prior art so as to meet the requirements of the auxiliary switches. However, the auxiliary switch switching plate installed in the conventional mechanism has a weak locking force and is not practical enough.
Therefore, it is necessary to solve the above problems by the auxiliary switch switching structure of the three-position mechanism for the medium voltage switch of the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a well voltage switch is with auxiliary switch transform structure of three station mechanisms to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: well pressure switch is with auxiliary switch transform structure of three-station mechanism, including switching board, switching dish A and switching dish B, the top of switching board is provided with the driving shaft, and the fixed cover of switching board connects the bottom of establishing in the driving shaft, the bottom both sides of switching board are provided with switching dish A and switching dish B respectively, the bottom of switching dish A and switching dish B is installed respectively and is provided with ground connection auxiliary switch and isolation auxiliary switch, the lateral wall of switching dish A and switching dish B all is provided with two recesses, and two groove depth differences, the bottom edge of switching board is fixed and is provided with the fixed pin, and the fixed pin with switch dish A and switch the recess looks adaptation on the dish B.
Preferably, the number of the fixing pins is three, and the three fixing pins are distributed in an annular array.
The utility model discloses a technological effect and advantage:
the utility model discloses a set up three fixed pin and all set up the recess that two degree of depth are different on switching dish A and switching dish B on switching the board, when closing (dividing) the floodgate motion of side or ground connection side is kept apart in the mechanism, the fixed pin on the switching board can fall into corresponding one side switching dish A or switching dish B's inslot, thereby it rotates to drive switching dish A or switching dish B and the auxiliary switch who corresponds, switch the recess design on dish A and the switching dish B, be used for realizing the conversion with auxiliary switch, make whole stable in structure reliable, the locking power is stronger, direct when not causing the influence to the original function of mechanism reform transform the mechanism, thereby further improvement auxiliary switch switching device's practicality.
Drawings
Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the overall three-dimensional overlooking structure of the present invention.
Fig. 3 is a schematic plan view of the structure of the present invention.
Fig. 4 is a schematic structural diagram of the mechanism of the present invention for achieving the switching of the isolation auxiliary switch from the isolation opening to the isolation closing;
fig. 5 is a schematic structural diagram of the mechanism of the present invention for achieving the switching of the grounding auxiliary switch from the grounding opening to the grounding closing;
in the figure: 1. a switching plate; 2. switching a disc A; 3. a switching disc B; 4. a grounded auxiliary switch; 5. an isolation auxiliary switch; 6. a drive shaft; 7. and fixing the pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The utility model provides an auxiliary switch conversion structure of a three-station mechanism for a medium-voltage switch as shown in figures 1-3, which comprises a switching plate 1, a switching plate A2 and a switching plate B3, wherein the top of the switching plate 1 is provided with a driving shaft 6, the switching plate 1 is fixedly sleeved and arranged at the bottom end of the driving shaft 6, the two sides of the bottom of the switching plate 1 are respectively provided with the switching plate A2 and the switching plate B3, the bottoms of the switching plate A2 and the switching plate B3 are respectively provided with a grounding auxiliary switch 4 and an isolating auxiliary switch 5, the outer side walls of the switching plate A2 and the switching plate B3 are respectively provided with two grooves with different depths, the bottom edge of the switching plate 1 is fixedly provided with a fixed pin 7, the fixed pins 7 are matched with the grooves on the switching plate A2 and the switching plate B3, the fixed pins 7 are three, and three fixed pin 7 is the annular array and distributes, through set up three fixed pin 7 on switching board 1 and all set up the recess of two different degree of depth on switching dish A2 and switching dish B3, when the mechanism carries out the closing and separating brake motion of keeping apart side or ground connection side, fixed pin 7 on switching board 1 can fall into corresponding one side switching dish A2 or switching dish B3's inslot, thereby drive switching dish A2 or switching dish B3 and the auxiliary switch who corresponds and rotate, the groove design on switching dish A2 and the switching dish B3, be used for realizing with auxiliary switch's conversion, make whole stable in structure reliable, the locking power is stronger, directly reform transform the mechanism when not causing the influence to the original function of mechanism, thereby further improvement auxiliary switch auto-change device's practicality.
As shown in fig. 4, when the mechanism performs the opening and closing movement on the isolation side, the auxiliary switch in the direction of the grounding side does not operate, where a in fig. 4 is the isolation opening state, b in fig. 4 is the state in the middle of the isolation closing process, and c in fig. 4 is the state in which the isolation closing is in place; when the driving shaft 6 rotates towards the isolation closing direction, the cylindrical pin 7(2) at the rear part of the switching plate 1 falls into the long groove of the switching plate B, so that the switching plate B3 and the isolation auxiliary switch 5 are driven to rotate, after the closing is in place, the cylindrical pin 7(2) still stays in the long groove of the switching plate B3 and is always locked, the cylindrical pin 7(3) on the switching plate 1 can be clamped into the short groove of the switching plate A2, the switching plate A2 is also locked, and the two auxiliary switches are also locked and cannot rotate;
as shown in fig. 5, when the mechanism operates the switching on/off movement of the grounding side, the auxiliary switch in the direction of the isolation side does not act, where a in fig. 5 is the grounding switching-off state, b in fig. 5 is the state in the middle of the grounding switching-on process, and c in fig. 5 is the state in which the grounding switching-on is in place; when the driving shaft 6 rotates towards the grounding closing direction, the cylindrical pin 7(1) at the rear part of the switching plate 1 falls into the long groove of the switching plate A2, so that the switching plate A2 and the grounding auxiliary switch 4 are driven to rotate, after the closing is in place, the cylindrical pin 7(1) is still in the long groove of the switching plate A2 and is always locked, the cylindrical pin 7(3) on the switching plate can be clamped into the short groove of the switching plate B3, the switching plate B3 is also locked, and the two auxiliary switches are also locked and cannot rotate.
The utility model discloses theory of operation:
when the mechanism is used, the driving shaft 6 drives the switching plate 1 to further drive the switching plate A2, the switching plate B3 and the auxiliary switches to rotate, and because the switching plate A2 and the switching plate B3 on the two sides of the mechanism are completely the same, the rotating angles of the corresponding auxiliary switches of the mechanism are the same no matter the mechanism carries out closing and opening motions on the isolation side or grounding side; the conversion function of the auxiliary switch is realized through the structure, namely: when the mechanism performs the opening and closing movement of the isolation side, the auxiliary switch in the grounding side direction does not operate, as shown in fig. 4, and when the mechanism operates the opening and closing movement of the grounding side, the auxiliary switch in the isolation side direction does not operate, as shown in fig. 5.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (2)
1. Auxiliary switch transform structure of three-station mechanism for medium voltage switch, its characterized in that: including switching board (1), switching dish A (2) and switching dish B (3), the top of switching board (1) is provided with driving shaft (6), and switches the bottom that the fixed cup of board (1) connects to be set up in driving shaft (6), the bottom both sides of switching board (1) are provided with respectively switches dish A (2) and switches dish B (3), the bottom of switching dish A (2) and switching dish B (3) is installed respectively and is provided with ground connection auxiliary switch (4) and isolation auxiliary switch (5), the lateral wall of switching dish A (2) and switching dish B (3) all is provided with two recesses, and two groove depth are different, the bottom edge of switching board (1) is fixed and is provided with fixed pin (7), and fixed pin (7) and switch dish A (2) and switch the recess looks adaptation on dish B (3).
2. The auxiliary switch switching structure of a three-position mechanism for a medium voltage switch as claimed in claim 1, wherein: the fixing pins (7) are arranged in three numbers, and the three fixing pins (7) are distributed in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225537.4U CN217485346U (en) | 2022-05-19 | 2022-05-19 | Auxiliary switch conversion structure of three-station mechanism for medium-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221225537.4U CN217485346U (en) | 2022-05-19 | 2022-05-19 | Auxiliary switch conversion structure of three-station mechanism for medium-voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217485346U true CN217485346U (en) | 2022-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221225537.4U Active CN217485346U (en) | 2022-05-19 | 2022-05-19 | Auxiliary switch conversion structure of three-station mechanism for medium-voltage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217485346U (en) |
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2022
- 2022-05-19 CN CN202221225537.4U patent/CN217485346U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20230105 Address after: 421200 Yunji Town, Songjiang TBDC Plot, Hengnan County, Hengyang City, Hunan Province Patentee after: TBEA Yunji high voltage switch Co.,Ltd. Address before: 315000 No.20, Beixing East Road, Mazhu Town, Yuyao City, Ningbo City, Zhejiang Province Patentee before: YUYAO HUAYU ELECTRIC Co.,Ltd. |