CN114203477A - 10kV indoor double-throw isolating switch - Google Patents
10kV indoor double-throw isolating switch Download PDFInfo
- Publication number
- CN114203477A CN114203477A CN202210019224.1A CN202210019224A CN114203477A CN 114203477 A CN114203477 A CN 114203477A CN 202210019224 A CN202210019224 A CN 202210019224A CN 114203477 A CN114203477 A CN 114203477A
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- Prior art keywords
- main shaft
- tool bit
- plate
- blade
- bit seat
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- 239000012212 insulator Substances 0.000 claims abstract description 8
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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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
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a 10kV indoor double-throw isolating switch, which comprises: a first main shaft and a second main shaft are respectively arranged on the mounting frame; two ends of the mechanical interlocking mechanism are respectively contacted with the first main shaft and the second main shaft; the upper end and the lower end of the first main shaft are respectively provided with a first wire inlet tool bit seat with a first tool bit insulator and a first wire outlet tool bit seat; the upper end and the lower end of the second main shaft are respectively provided with a second wire inlet tool bit seat with a second tool bit insulator and a second wire outlet tool bit seat; the first main shaft drives the first blade to move through the first opening and closing action plate and the first opening and closing connecting rod, so that the first blade is contacted with or separated from the switching-on position of the first wire inlet tool bit seat; the second main shaft drives the second blade to move through the second opening and closing action plate and the second opening and closing connecting rod, so that the second blade is in contact with or separated from the switch-on position of the second wire inlet tool bit seat.
Description
Technical Field
The invention relates to the technical field of high-voltage electricity, in particular to a 10kV indoor double-throw isolating switch.
Background
At present, in a 10kV high-voltage switch cabinet in the high-voltage electric appliance complete set industry, most of commonly used 10kV indoor double-throw isolating switches are used in the switch cabinet as double-incoming-line power supply selection switching, a JGN-12 five-prevention locking mechanism is adopted, an operating mechanism connecting rod is configured, and an operating program lock of 1 is selected; the disadvantages are as follows: 1. the high-voltage switch cabinet has larger overall dimension, and the isolating switch needs to be exposed and arranged on the cabinet top, so that the switch on-off state can not be directly observed; 2, the JGN-12 five-prevention locking mechanism needs to be provided with an operating mechanism connecting rod, and debugging programs are various; 3. adding and matching 2 and taking 1 as an operation program lock; 4. the side-mounted operation mode cannot be used for a 10kV high-voltage switch cabinet;
in summary, aiming at the defects and shortcomings of the prior art, a side-mounted manual operation mode of a 10kV indoor double-throw isolating switch for a 10kV high-voltage switch cabinet is particularly needed, the overall dimension installation of the switch cabinet can be reduced, and the opening and closing state of a window can be directly observed; debugging programs can be reduced, and the five-prevention locking requirement of the 10kV high-voltage switch cabinet is met; to solve the above problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a 10kV indoor double-throw isolating switch. The side-mounted manual operation mode for the 10kV high-voltage switch cabinet can reduce the overall dimension installation of the switch cabinet, reduce debugging programs and meet the five-prevention locking requirement of the 10kV high-voltage switch cabinet.
In order to realize the purpose of the invention, the adopted technical scheme is as follows:
a 10kV indoor double-throw disconnecting switch, comprising:
the mounting rack is provided with a first main shaft and a second main shaft respectively;
a first cam and a first shaft sleeve are arranged outside the first main shaft;
a second cam and a second shaft sleeve are arranged outside the second main shaft;
two ends of the mechanical interlocking mechanism are respectively contacted with the first main shaft and the second main shaft;
the upper end and the lower end of the first main shaft are respectively provided with a first wire inlet tool bit seat with a first tool bit insulator and a first wire outlet tool bit seat;
the upper end and the lower end of the second main shaft are respectively provided with a second wire inlet tool bit seat with a second tool bit insulator and a second wire outlet tool bit seat;
the first main shaft drives the first blade to move through the first opening and closing action plate and the first opening and closing connecting rod, so that the first blade is contacted with or separated from the switching-on position of the first wire inlet tool bit seat;
the second main shaft drives the second blade to move through the second opening and closing action plate and the second opening and closing connecting rod, so that the second blade is contacted with or separated from the switching-on position of the second wire inlet tool bit seat;
the action of a first split action plate on the first main shaft is controlled by a first separation switch connected with the first main shaft;
the action of the second split action plate on the second main shaft is controlled by a second isolation switch connected with the second main shaft.
In a preferred embodiment of the present invention, the first main shaft is provided with a first engaging and disengaging stop plate used in cooperation with the first engaging and disengaging action plate.
In a preferred embodiment of the present invention, a second engaging position limiting plate used in cooperation with the second engaging action plate is disposed on the second main shaft.
In a preferred embodiment of the present invention, the mechanical interlocking mechanism includes an interlocking plate and a sliding plate, a spring slot is disposed in a middle portion of the sliding plate, and both ends of the mechanical interlocking mechanism are connected to the first spindle and the second spindle through a first spindle connecting plate and a second spindle connecting plate, respectively.
In a preferred embodiment of the present invention, the first wire outlet tool bit seat and the second wire outlet tool bit seat are connected through a wire outlet seat connecting row, and the first wire outlet tool bit seat is connected to the wire outlet seat.
In a preferred embodiment of the present invention, one end of the first blade is fixed to a distal end of the first outgoing-wire tip seat.
In a preferred embodiment of the present invention, one end of the second blade is fixed to the end of the second outgoing tool bit seat.
The invention has the beneficial effects that:
compared with the prior art, the invention can reduce the overall dimension of the switch cabinet, and can directly observe the opening and closing state of the window; debugging procedures can be reduced, and the requirement of five-prevention locking of the 10kV high-voltage switch cabinet is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a partial schematic view of the first embodiment of the present invention.
FIG. 4 is a partial schematic view of the present invention.
Fig. 5 is a schematic view of the motion structure of the present invention (the main shaft is not rotated).
Fig. 6 is a second schematic view of the movement structure of the present invention (the first spindle rotates 70 degrees counterclockwise).
Fig. 7 is a third schematic view of the movement structure of the present invention (the second spindle rotates clockwise by 70 degrees).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the detailed description and specific examples, while indicating the present invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. Moreover, in the following structures, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, only for the convenience of description and simplification of description. And are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation and, therefore, should not be taken to be limiting of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A 10kV indoor double throw disconnecting switch as shown in fig. 1-7 comprises a mounting bracket 100, and a first main shaft 101 and a second main shaft 102 are respectively arranged on the mounting bracket 100.
With particular reference to fig. 2, a first cam 201 and a first bushing 151 are disposed outside the first main shaft 101. A second cam 202 and a second bushing 152 are provided outside the second main shaft 102.
Both ends of the mechanical interlocking mechanism 200 are in contact with the first spindle 101 and the second spindle 102, respectively.
With particular reference to fig. 4 and 5, the mechanical interlock mechanism 200 includes an interlock plate 204 and a slide plate 203, a spring slot 206 is provided in the middle of the slide plate 203, and both ends of the interlock plate 204 are connected to the first spindle 101 and the second spindle 102 through a first spindle connection plate 207 and a second spindle connection plate 208, respectively, by slide plate fixing bolts 205.
The mechanical interlocking function is achieved by the sliding plate 203 and the interlocking plate 204.
A first wire feeding tool bit seat 131 and a first wire outgoing tool bit seat 133 with a first tool bit insulator 121 are respectively arranged at the upper end and the lower end of the first main shaft 101.
A second wire feeding head seat 132 with a second head insulator 122 and a second wire outgoing head seat 134 are respectively arranged at the upper and lower ends of the second main shaft 102.
The first wire outlet tool bit seat 133 and the second wire outlet tool bit seat 134 are connected through the wire outlet seat connecting row 161 and the fixing bolt 163, and the first wire outlet tool bit seat 133 is connected with the wire outlet seat 135.
The first main shaft 101 drives the first blade 136 to move through the first opening and closing action plate 105 and the first opening and closing connecting rod 109, so that the first blade 136 is contacted with or separated from the switching-on position of the first wire inlet tool bit seat 131.
The second main shaft 102 drives the second blade 137 to move through the second opening and closing action plate 106 and the second opening and closing connecting rod 110, so that the second blade 137 is contacted with or separated from the switching-on position of the second wire feeding tool bit seat 132.
The second split link 110 is connected at both ends by a fixing pin 173.
The first main shaft 101 is provided with a first switching/closing limiting plate 103 used in cooperation with a first switching/closing operation plate 105. One end of the first blade 136 is fixed to the end of the first outgoing-wire head base 131 by a first fixing bolt 163.
The second main shaft 102 is provided with a second switching/closing stopper plate 104 used in cooperation with a second switching operation plate 106. One end of the second blade 137 is fixed to the end of the second outgoing thread head base 132 by a second fixing bolt 164.
With particular reference to fig. 3, the operation of the first split operating plate 105 on the first main shaft 101 is controlled by a first disconnecting switch 605 and an electromagnetic lock 601, which are connected to the first main shaft 101 and are provided on the panel 600. The action of the second split action plate 106 on the second main shaft 102 is controlled by a second isolating switch 606 connected to the second main shaft 102 and provided on the panel 600, and an electromagnetic lock 602.
As shown in fig. 6, the first main shaft 101 of the first disconnecting switch 605 is switched on by rotating 70 degrees counterclockwise, and when the first cam 201 rotates, the sliding plate 203 is pushed against the groove of the cam of the second cam 202 after 15mm of stroke, so that the second main shaft 102 can not rotate.
As shown in fig. 7, the second main shaft 102 of the second disconnecting switch 606 is switched on by rotating clockwise by 70 degrees, and when the second cam 202 rotates, the sliding plate 203 is pushed against the groove of the first cam 201 after the stroke of 15mm, so that the first main shaft 101 cannot be operated by rotating.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (7)
1. A10 kV indoor double-throw isolating switch is characterized by comprising:
the mounting rack is provided with a first main shaft and a second main shaft respectively;
a first cam and a first shaft sleeve are arranged outside the first main shaft;
a second cam and a second shaft sleeve are arranged outside the second main shaft;
two ends of the mechanical interlocking mechanism are respectively contacted with the first main shaft and the second main shaft;
the upper end and the lower end of the first main shaft are respectively provided with a first wire inlet tool bit seat with a first tool bit insulator and a first wire outlet tool bit seat;
the upper end and the lower end of the second main shaft are respectively provided with a second wire inlet tool bit seat with a second tool bit insulator and a second wire outlet tool bit seat;
the first main shaft drives the first blade to move through the first opening and closing action plate and the first opening and closing connecting rod, so that the first blade is contacted with or separated from the switching-on position of the first wire inlet tool bit seat;
the second main shaft drives the second blade to move through the second opening and closing action plate and the second opening and closing connecting rod, so that the second blade is contacted with or separated from the switching-on position of the second wire inlet tool bit seat;
the action of a first combining action plate on the first main shaft is controlled by a first isolating switch connected with the first main shaft;
and the action of a second split action plate on the second main shaft is controlled by a second isolating switch connected with the second main shaft.
2. The 10kV indoor double-throw disconnecting switch according to claim 1, wherein the first main shaft is provided with a first switching limiting plate used in cooperation with the first switching action plate.
3. The 10kV indoor double-throw disconnecting switch according to claim 1, wherein the second main shaft is provided with a second switching limiting plate used in cooperation with the second switching action plate.
4. The 10kV indoor double throw disconnecting switch according to claim 1, wherein the mechanical interlocking mechanism comprises an interlocking plate and a sliding plate, a spring slot is provided in a middle portion of the sliding plate, and both ends of the mechanical interlocking mechanism are connected to the first spindle and the second spindle through a first spindle connecting plate and a second spindle connecting plate, respectively.
5. The 10kV indoor double-throw disconnecting switch according to claim 1, wherein the first outgoing line tool bit seat and the second outgoing line tool bit seat are connected through an outgoing line seat connecting row, and the first outgoing line tool bit seat is connected with the outgoing line seat.
6. The 10kV indoor double throw disconnector of claim 1, wherein one end of the first blade is fixed to a distal end of the first outlet head housing.
7. The 10kV indoor double throw isolating switch of claim 1, wherein one end of the second blade is fixed to the end of the second outlet head base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210019224.1A CN114203477A (en) | 2022-01-10 | 2022-01-10 | 10kV indoor double-throw isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210019224.1A CN114203477A (en) | 2022-01-10 | 2022-01-10 | 10kV indoor double-throw isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114203477A true CN114203477A (en) | 2022-03-18 |
Family
ID=80658284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210019224.1A Pending CN114203477A (en) | 2022-01-10 | 2022-01-10 | 10kV indoor double-throw isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114203477A (en) |
-
2022
- 2022-01-10 CN CN202210019224.1A patent/CN114203477A/en active Pending
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