CN108155049B - Transmission mechanism of grounding switch - Google Patents
Transmission mechanism of grounding switch Download PDFInfo
- Publication number
- CN108155049B CN108155049B CN201810132150.6A CN201810132150A CN108155049B CN 108155049 B CN108155049 B CN 108155049B CN 201810132150 A CN201810132150 A CN 201810132150A CN 108155049 B CN108155049 B CN 108155049B
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- grounding
- switch
- rotating shaft
- spring mechanism
- energy storage
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- 230000007246 mechanism Effects 0.000 title claims abstract description 99
- 230000005540 biological transmission Effects 0.000 title claims abstract description 84
- 238000004146 energy storage Methods 0.000 claims abstract description 49
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000007906 compression Methods 0.000 claims description 52
- 230000006835 compression Effects 0.000 claims description 51
- 230000007935 neutral effect Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002923 metal particle Substances 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
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3047—Power arrangements internal to the switch for operating the driving mechanism using spring motor adapted for operation of a three-position switch, e.g. on-off-earth
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The application belongs to the technical field of power switching equipment, and particularly relates to a transmission mechanism of a grounding switch. It comprises the following steps: a substrate; the transmission device is arranged on the substrate, is in transmission connection with the grounding output rotating shaft, drives the grounding output rotating shaft to rotate in the forward and reverse directions under the action of the energy storage spring to realize opening and closing of the grounding switch, and the energy storage spring is driven by the rotation of the isolation rotating shaft in the forward and reverse directions; and the locking device is used for locking the ground switch by locking the transmission device when the ground switch is in a switching-off state, and locking the ground switch by locking the transmission device when the ground switch is in a switching-on state. The transmission mechanism of the grounding switch has a simple structure, and can realize locking of the opening and closing positions of the switch.
Description
Technical Field
The application belongs to the technical field of power switching equipment, and particularly relates to a transmission mechanism of a grounding switch.
Background
The existing grounding switch on the market uses an isolation disconnecting link for closing, and has the defects that contacts are easy to ablate when the grounding switch is closed, metal particles are ionized, the internal environment of a sealed box is polluted, and the current passing capacity and the insulation level of a main loop are affected. In order to improve the closing capability, a grounding vacuum arc-extinguishing chamber with high grounding closing capability is generally adopted, and the cost of the whole switch cabinet is often increased.
In order to solve the above problems, the applicant of the present application proposes a dual-arc-extinguishing chamber grounding switch, wherein the dual-arc-extinguishing chamber grounding switch adopts an isolated grounding three-station mechanism to enable a grounding vacuum arc-extinguishing chamber and an isolated knife switch to be logically interlocked. The isolation grounding three-station mechanism realizes a single-shaft output mode of separating and combining the three stations of the driving isolation rotating shaft to a double-output mode of separating and combining the driving isolation rotating shaft and driving the grounding vacuum arc-extinguishing chamber to be grounded through increasing and decreasing the grounding arc-extinguishing chamber module.
However, when the grounding arc-extinguishing chamber module of the grounding switch is switched on and off, the main spring is withdrawn from the locking position, and the mechanism cannot keep the switching-on position due to the self-closing force of the arc-extinguishing chamber, so that the grounding arc-extinguishing chamber module cannot be locked when switching on and off, and a locking device is not arranged at the switching-on position, so that the switching-on and switching-off are unstable. In the field of switch transmission mechanisms, the problem that the opening or closing position cannot be locked generally exists, and even if the opening or closing position can be locked, the structure in the prior art is complex.
Disclosure of Invention
The application aims to solve the problem that the opening and closing positions of a switch transmission mechanism cannot be locked in the prior art, and provides a transmission mechanism of a grounding switch, which has a simple structure and can lock the opening and closing positions of the switch.
In order to achieve the technical purpose and achieve the technical effect, the transmission mechanism of the grounding switch of the application comprises: a substrate; the transmission device is arranged on the substrate, is in transmission connection with the grounding output rotating shaft, drives the grounding output rotating shaft to rotate in the forward and reverse directions under the action of the energy storage spring to realize opening and closing of the grounding switch, and the energy storage spring is driven by the rotation of the isolation rotating shaft in the forward and reverse directions; and the locking device is used for locking the ground switch by locking the transmission device when the ground switch is in a switching-off state, and locking the ground switch by locking the transmission device when the ground switch is in a switching-on state.
The transmission device comprises a grounding rotating shaft which is rotatably arranged on the base plate, and a rotating piece is arranged on the grounding rotating shaft; the first transmission assembly is used for connecting the grounding collision plate driven by the energy storage spring with the rotating piece; the second transmission assembly is used for connecting the rotating piece with the grounding output rotating shaft in a transmission way; the limiting structure is used for limiting the rotation angle of the rotating piece around the grounding rotating shaft in the forward and reverse directions; after the energy storage spring is compressed to a neutral position, the compressed stroke is released to drive the grounding striking plate to rotate, the grounding striking plate drives the rotating piece to rotate through the first transmission assembly to drive the second transmission assembly to act, and finally the grounding output rotating shaft is driven to rotate, so that the opening and closing of the grounding switch are realized.
The locking device comprises a compression spring mechanism, one end of the compression spring mechanism is connected to the base plate, and the other end of the compression spring mechanism is hinged with the rotating piece; the grounding contact spring mechanism is connected with the base plate at one end and hinged with a first crank arranged on the grounding output rotating shaft at the other end, and is pressed when in a closing position, and the pressure of the grounding contact spring mechanism acts on a grounding contact of the grounding switch so as to ensure that the grounding contact is reliably closed; when the switch is closed, the first transmission assembly is acted by the energy storage spring, so that the grounding rotating shaft rotates in the positive direction to drive the compression spring mechanism to store energy until the compression spring mechanism is in a neutral position, the compression spring mechanism releases energy together with the energy storage spring to push the transmission device to a switch-on position after being in the neutral position, the compression spring mechanism absorbs energy in the switch-on process and starts energy release before compressing the grounding contact spring mechanism, and the compression spring mechanism and the grounding contact spring mechanism together cooperate with the limiting structure to lock the grounding switch at the switch-on position; when the brake is released, the first transmission assembly is acted by the energy storage spring, so that the grounding rotating shaft reversely rotates to drive the compression spring mechanism to store energy until the compression spring mechanism is in a neutral position, the energy is released after the compression spring mechanism is in a neutral position to push the transmission device to a brake release position together with the energy storage spring, the compression spring mechanism is in an energy release state, the released elastic force overcomes the self-closing force of a contact of the grounding switch, and the grounding rotating shaft is locked by matching with the limiting structure, so that the grounding switch is locked at the brake release position.
The first transmission assembly comprises an arc connecting plate, one end of the arc connecting plate is hinged with the grounding collision plate, and the other end of the arc connecting plate is hinged with the rotating piece.
The second transmission assembly comprises a connecting plate and a second crank arranged on the grounding output rotating shaft, one end of the connecting plate is connected with the rotating piece, and the other end of the connecting plate is connected with the second crank.
The rotary piece is in a shape like a Chinese character 'ji', the grounding rotating shaft is positioned at the vertex of the shape like a Chinese character 'ji', two side support arms of the rotary piece are respectively hinged with the arc connecting plate and the connecting plate, and the middle support arm is hinged with the compression spring mechanism.
The rotating piece is hinged with the connecting plate through a travel limiting pin, the limiting structure comprises an arc-shaped waist groove formed on the base plate, and the arc-shaped waist groove takes the grounding rotating shaft as a circle center; the travel limiting pin can be movably arranged in the arc-shaped waist slot, when the grounding switch is in the opening position, the travel limiting pin moves to abut against one end part of the arc-shaped waist slot, and when the grounding switch is in the closing position, the travel limiting pin moves to abut against the other end part of the arc-shaped waist slot.
The grounding switch is a grounding vacuum arc-extinguishing chamber.
The technical scheme of the application has the following advantages:
1. the transmission mechanism of the grounding switch of the application comprises: a substrate; the transmission device is arranged on the substrate, is in transmission connection with the grounding output rotating shaft, drives the grounding output rotating shaft to rotate in the forward and reverse directions under the action of the energy storage spring to realize the opening and closing of the grounding switch, and the energy storage spring is driven by the rotation of the isolation rotating shaft in the forward and reverse directions; and the locking device is used for locking the ground switch by locking the transmission device when the ground switch is in a switching-off state, and locking the ground switch by locking the transmission device when the ground switch is in a switching-on state. According to the transmission mechanism of the grounding switch, when the grounding switch is in the opening state or the closing state, the opening locking and the closing locking of the grounding switch are realized through locking the transmission device, so that the grounding switch is more stable in the opening state or the closing state.
2. The locking device comprises a compression spring mechanism and a grounding contact spring mechanism, and the transmission device is pushed to a closing position or a separating position together with the energy storage spring in the process of storing energy to a neutral position and releasing the stored energy through the compression spring mechanism. When the grounding switch is in a closing position, the grounding contact spring mechanism is pressed, the pressure of the grounding contact spring mechanism acts on the grounding contact of the grounding switch, and the compression spring mechanism and the grounding contact spring mechanism act together to reliably close the grounding contact; when the brake is released, the compression spring mechanism acts on the transmission device, and the grounding outlet brake is reliably released through the transmission device. The compression spring mechanism and the grounding contact spring mechanism are simple in structure, so that the locking device is simple in structure, and in addition, the compression spring mechanism and the energy storage spring act together, the maximum elastic force required by the energy storage spring can be reduced, the force for operating the energy storage spring is correspondingly reduced, and further, the control of the transmission mechanism of the grounding switch can be facilitated, and switching on and switching off can be achieved better.
3. According to the transmission mechanism of the grounding switch, the rotating piece is hinged with the connecting plate through the travel limiting pin, the limiting structure comprises the arc-shaped waist groove, the travel limiting pin can be movably arranged in the arc-shaped waist groove, the travel of the travel limiting pin is limited by the arc-shaped waist groove, and further the angle for limiting the rotating piece to rotate around the grounding rotating shaft in the forward direction and the reverse direction is limited, so that the accurate control of the opening and closing processes is realized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an embodiment of the present application;
fig. 2 is a schematic structural view of the grounding arc-extinguishing chamber module in the opening position in fig. 1 (the grounding contact spring mechanism is not shown in the drawing);
fig. 3 is a schematic structural view of the grounding arc-extinguishing chamber module in the closing position in fig. 1 (the grounding contact spring mechanism is not shown in the drawing);
reference numerals illustrate:
the device comprises a 1-energy storage spring, a 2-arc connecting plate, a 3-grounding rotating shaft, a 4-compression spring mechanism, a 5-stroke limiting pin, a 6-arc waist slot, a 7-connecting plate, an 8-grounding output rotating shaft, a 9-substrate, a 10-isolation rotating shaft, a 11-rotating piece, a 12-grounding striking plate, a 13-grounding contact spring mechanism, a 14-first crank and a 15-second crank.
Detailed Description
The following description of the embodiments of the present application will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the application are shown. All other embodiments, which can be made by a person skilled in the art without making any inventive contribution, are within the scope of the protection of the application based on the embodiments of the application.
The grounding switch in the embodiment is a grounding vacuum arc-extinguishing chamber, and a transmission mechanism of the grounding switch is arranged on the grounding vacuum arc-extinguishing chamber and comprises a substrate 9, a transmission device, a locking device, an energy storage spring 1 and a grounding output rotating shaft 8.
One end of the energy storage spring 1 is connected with an isolation rotating shaft 10, and the rotation of the isolation rotating shaft 10 in the forward and reverse directions drives the energy storage spring 1 to act; the other end of the energy storage spring 1 is connected with the grounding collision plate 12, and the action of the energy storage spring 1 drives the grounding collision plate 12 to rotate.
The transmission device is arranged on the base plate 9, is in transmission connection with the grounding output rotating shaft 8, and drives the grounding output rotating shaft 8 to rotate in the forward and reverse directions under the action of the energy storage spring 1 so as to realize opening and closing of the grounding switch. The transmission device comprises a grounding rotating shaft 3, a first transmission assembly, a second transmission assembly and a limiting structure.
The grounding rotating shaft 3 is rotatably arranged on the base plate 9, and a rotating piece 11 is arranged on the grounding rotating shaft 3.
The first transmission assembly connects the ground striking plate 12 driven by the energy storage spring 1 with the rotating member 11, in this embodiment, the first transmission assembly includes an arc connecting plate 2, one end of the arc connecting plate 2 is hinged with the ground striking plate 12, and the other end is hinged with the rotating member 11.
The second transmission assembly is used for connecting the rotating member 11 with the grounding output rotating shaft 8 in a transmission manner, in this embodiment, the second transmission assembly comprises a connecting plate 7 and a second crank 15 arranged on the grounding output rotating shaft 8, one end of the connecting plate 7 is connected with the rotating member 11, and the other end is connected with the second crank 15.
The limiting structure is used for limiting the rotation angle of the rotating piece 11 around the grounding rotating shaft 3 in the forward and reverse directions; the limiting structure comprises an arc-shaped waist groove 6 formed on the base plate 9, and the arc-shaped waist groove 6 takes the grounding rotating shaft 3 as a circle center. The rotating piece 11 is hinged with the connecting plate 7 through a travel limiting pin 5, the travel limiting pin 5 can be movably arranged in the arc-shaped waist groove 6, when the grounding switch is in a brake separating position, the travel limiting pin 5 moves to abut against one end part of the arc-shaped waist groove 6, and when the grounding switch is in a brake closing position, the travel limiting pin 5 moves to abut against the other end part of the arc-shaped waist groove 6.
In this embodiment, after the energy storage spring 1 is compressed to the over-position, the compressed stroke is released to drive the ground striking plate 12 to rotate, the ground striking plate 12 drives the rotating member 11 to rotate through the first transmission assembly to drive the second transmission assembly to act, and finally drives the ground output rotating shaft 8 to rotate, thereby realizing the opening and closing of the ground switch.
And the locking device is used for locking the ground switch by locking the transmission device when the ground switch is in a switching-off state, and locking the ground switch by locking the transmission device when the ground switch is in a switching-on state. The locking means comprise a compression spring mechanism 4 and a compression spring mechanism 4.
The compression spring mechanism 4 has one end connected to the base plate 9 and the other end hinged to the rotary member 11.
And one end of the grounding contact spring mechanism 13 is connected to the base plate 9, the other end of the grounding contact spring mechanism is hinged with a first crank 14 arranged on the grounding output rotating shaft 8, and in a closing position, the grounding contact spring mechanism 13 is pressed, and the pressure of the grounding contact spring mechanism acts on a grounding contact of the grounding switch so as to ensure that the grounding contact is reliably closed.
When the switch-on is performed, the first transmission assembly is acted by the energy storage spring 1, so that the grounding rotating shaft 3 rotates in the positive direction, the compression spring mechanism 4 is driven to store energy until the compression spring mechanism 4 passes through the middle position, the compression spring mechanism 4 releases energy together with the energy storage spring 1 to push the transmission device to the switch-on position after passing through the middle position, the compression spring mechanism 4 absorbs energy in the switch-on process, and begins to release energy before the grounding contact spring mechanism 13 is compressed, and the compression spring mechanism 4 and the grounding contact spring mechanism 13 cooperate with the limiting structure to lock the grounding switch at the switch-on position; when the switch-off is carried out, the first transmission assembly is acted by the energy storage spring 1, so that the grounding rotating shaft 3 rotates reversely, the compression spring mechanism 4 is driven to store energy until the compression spring mechanism 4 passes through the middle position, the energy release and the energy storage spring 1 together push the transmission device to the switch-off position after the compression spring mechanism 4 passes through the middle position, the compression spring mechanism 4 is in an energy release state, the released elasticity overcomes the self-closing force of a contact of the grounding switch, and the grounding rotating shaft 3 is locked by matching with the limiting structure, so that the grounding switch is locked at the switch-off position.
The rotary piece 11 is in a 'U' -shaped structure, the grounding rotating shaft 3 is positioned at the vertex of the 'U' -shaped structure, two side support arms of the rotary piece 11 are respectively hinged with the arc-shaped connecting plate 2 and the connecting plate 7, and the middle support arm is hinged with the compression spring mechanism 4.
As shown in fig. 1 to 3, the operation of the transmission mechanism of the grounding switch in this embodiment is as follows:
when the switch-on is performed, the isolation rotating shaft 10 rotates anticlockwise to drive the energy storage spring 1 to move, after the energy storage spring 1 is compressed to a neutral position in the moving process, the compressed stroke is released to drive the grounding striking plate 12 to rotate, the grounding striking plate 12 drives the rotating piece 11 to rotate clockwise through the arc-shaped connecting plate 2, the connecting plate 7 and the second crank 15 are driven to act, and finally the grounding output rotating shaft 8 is driven to rotate anticlockwise, so that the switch-on of the grounding switch is realized. In the closing process, the arc connecting plate 2 is acted by the energy storage spring 1, so that the grounding rotating shaft 3 rotates clockwise to drive the compression spring mechanism 4 to store energy until the compression spring mechanism 4 passes through the middle position, and after the compression spring mechanism 4 passes through the middle, the energy is released and the energy storage spring 1 together enable the grounding output rotating shaft 8 to rotate anticlockwise, so that the grounding switch is pushed to a closing position, and when the grounding switch is closed, the travel limiting pin 5 moves to abut against the right end of the arc waist slot 6 in fig. 3.
When the switch is opened, the isolating rotating shaft 10 rotates clockwise to drive the energy storage spring 1 to move, after the energy storage spring 1 is compressed to a position in the moving process, the compressed stroke is released to drive the grounding striking plate 12 to rotate, the grounding striking plate 12 drives the rotating piece 11 to rotate clockwise through the arc-shaped connecting plate 2 to drive the connecting plate 7 and the second crank 15 to act, and finally the grounding output rotating shaft 8 is driven to rotate clockwise, so that the switch-on of the grounding switch is realized. In the opening process, the arc connecting plate 2 is acted by the energy storage spring 1, so that the grounding rotating shaft 3 rotates anticlockwise, the compression spring mechanism 4 is driven to store energy until the compression spring mechanism 4 passes through the middle position, the compression spring mechanism 4 releases energy after passing through the middle, and the grounding output rotating shaft 8 rotates anticlockwise together with the energy storage spring 1, so that the grounding switch is pushed to a closing position, and when in the opening position, the travel limiting pin 5 moves to be propped against the left end of the arc waist slot 6 in fig. 2.
It should be apparent that the above embodiments are merely examples for clarity of illustration and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the application.
Claims (6)
1. A transmission mechanism for a grounding switch, comprising:
a substrate (9);
the transmission device is arranged on the base plate (9), is in transmission connection with the grounding output rotating shaft (8), and drives the grounding output rotating shaft (8) to rotate in the forward and reverse directions under the action of the energy storage spring (1) to realize the opening and closing of the grounding switch, and the energy storage spring (1) is driven by the rotation of the isolation rotating shaft (10) in the forward and reverse directions;
the locking device is used for locking the ground switch by locking the transmission device when the ground switch is in a switching-off state, and locking the ground switch by locking the transmission device when the ground switch is in a switching-on state;
the transmission device comprises
The grounding rotating shaft (3) is rotatably arranged on the base plate (9), and a rotating piece (11) is arranged on the grounding rotating shaft (3);
the first transmission assembly is used for connecting a grounding collision plate (12) driven by the energy storage spring (1) with the rotating piece (11); one end of the energy storage spring (1) is connected with the isolation rotating shaft (10), and the isolation rotating shaft (10) rotates in the forward direction and the reverse direction to drive the energy storage spring (1) to act; the other end of the energy storage spring (1) is connected with the grounding collision plate (12), and the action of the energy storage spring (1) drives the grounding collision plate (12) to rotate;
the second transmission assembly is used for connecting the rotating piece (11) with the grounding output rotating shaft (8) in a transmission way;
the limiting structure is used for limiting the rotation angle of the rotating piece (11) around the grounding rotating shaft (3) in the forward and reverse directions;
after the energy storage spring (1) is compressed to a neutral position, the compressed stroke is released to drive the grounding striking plate (12) to rotate, the grounding striking plate (12) drives the rotating piece (11) to rotate through the first transmission assembly to drive the second transmission assembly to act, and finally the grounding output rotating shaft (8) is driven to rotate, so that the opening and closing of the grounding switch are realized;
the locking device comprises
A compression spring mechanism (4) having one end connected to the base plate (9) and the other end hinged to the rotary member (11);
the grounding contact spring mechanism (13) is connected with the base plate (9) at one end and hinged with a first crank (14) arranged on the grounding output rotating shaft (8) at the other end, and in a closing position, the grounding contact spring mechanism (13) is pressed, and the pressure of the grounding contact spring mechanism acts on a grounding contact of the grounding switch so as to ensure that the grounding contact is reliably closed;
when the switch is closed, the first transmission assembly is acted by the energy storage spring (1), so that the grounding rotating shaft (3) rotates in the positive direction to drive the compression spring mechanism (4) to store energy until the compression spring mechanism (4) is in a neutral position, the compression spring mechanism (4) pushes the transmission device to a switch-on position together with the energy storage spring (1) after the compression spring mechanism (4) is in the neutral position, the compression spring mechanism (4) absorbs energy in the switch-on process, and begins to release energy before the grounding contact spring mechanism (13) is compressed, and the compression spring mechanism and the grounding contact spring mechanism (13) are together matched with the limit structure to lock the grounding switch in the switch-on position;
when the brake is released, the first transmission component is acted by the energy storage spring (1), so that the grounding rotating shaft (3) rotates in the opposite direction to drive the compression spring mechanism (4) to store energy until the compression spring mechanism (4) is in the neutral position, the compression spring mechanism (4) releases energy to push the transmission device to the brake release position together with the energy storage spring (1) after the compression spring mechanism (4) is in the neutral position, the compression spring mechanism (4) is in an energy release state, the released elastic force overcomes the self-closing force of a contact of the grounding switch, and the grounding rotating shaft (3) is locked by matching with the limiting structure, so that the grounding switch is locked at the brake release position.
2. The transmission mechanism of a grounding switch according to claim 1, wherein,
the first transmission assembly comprises an arc-shaped connecting plate (2), one end of the arc-shaped connecting plate (2) is hinged with the grounding collision plate (12), and the other end of the arc-shaped connecting plate is hinged with the rotating piece (11).
3. The transmission mechanism of a grounding switch according to claim 2, wherein,
the second transmission assembly comprises a connecting plate (7) and a second crank (15) arranged on the grounding output rotating shaft (8), one end of the connecting plate (7) is connected with the rotating piece (11), and the other end of the connecting plate is connected with the second crank (15).
4. A transmission mechanism of a grounding switch according to claim 3, wherein the rotating member (11) is in a shape of a Chinese character 'zhi', the grounding rotating shaft (3) is positioned at the vertex of the Chinese character 'zhi', two side support arms of the rotating member (11) are respectively hinged with the arc connecting plate (2) and the connecting plate (7), and the middle support arm is hinged with the compression spring mechanism (4).
5. A transmission mechanism of a grounding switch according to claim 3, characterized in that the rotating member (11) is hinged with the connecting plate (7) through a travel limiting pin (5), the limiting structure comprises an arc-shaped waist groove (6) formed on the base plate (9), and the arc-shaped waist groove (6) takes the grounding rotating shaft (3) as a circle center; the travel limiting pin (5) can be movably arranged in the arc-shaped waist groove (6), when the grounding switch is in the opening position, the travel limiting pin (5) moves to be abutted against one end part of the arc-shaped waist groove (6), and when the grounding switch is in the closing position, the travel limiting pin (5) moves to be abutted against the other end part of the arc-shaped waist groove (6).
6. The transmission mechanism of a grounding switch according to any one of claims 1-5, wherein said grounding switch is a grounding vacuum interrupter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132150.6A CN108155049B (en) | 2018-02-09 | 2018-02-09 | Transmission mechanism of grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132150.6A CN108155049B (en) | 2018-02-09 | 2018-02-09 | Transmission mechanism of grounding switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108155049A CN108155049A (en) | 2018-06-12 |
| CN108155049B true CN108155049B (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810132150.6A Active CN108155049B (en) | 2018-02-09 | 2018-02-09 | Transmission mechanism of grounding switch |
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| Country | Link |
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| CN (1) | CN108155049B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114512366B (en) * | 2022-03-08 | 2022-11-15 | 山东大学 | Buffer limiting device and operating mechanism of three-position isolating switch mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794390A (en) * | 2014-01-27 | 2014-05-14 | 广州白云电器设备股份有限公司 | Mechanical interlocking device with two-direction control function of high-voltage switchgear |
| CN204668177U (en) * | 2015-06-05 | 2015-09-23 | 沈阳东牧电器制造有限公司 | A kind of operation mechanism for high voltage switch |
| CN207977265U (en) * | 2018-02-09 | 2018-10-16 | 浙江华仪电器科技有限公司 | A kind of transmission mechanism of earthing switch |
-
2018
- 2018-02-09 CN CN201810132150.6A patent/CN108155049B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794390A (en) * | 2014-01-27 | 2014-05-14 | 广州白云电器设备股份有限公司 | Mechanical interlocking device with two-direction control function of high-voltage switchgear |
| CN204668177U (en) * | 2015-06-05 | 2015-09-23 | 沈阳东牧电器制造有限公司 | A kind of operation mechanism for high voltage switch |
| CN207977265U (en) * | 2018-02-09 | 2018-10-16 | 浙江华仪电器科技有限公司 | A kind of transmission mechanism of earthing switch |
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| Publication number | Publication date |
|---|---|
| CN108155049A (en) | 2018-06-12 |
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