CN110473734A - A kind of New Marine earthing switch - Google Patents
A kind of New Marine earthing switch Download PDFInfo
- Publication number
- CN110473734A CN110473734A CN201910800419.8A CN201910800419A CN110473734A CN 110473734 A CN110473734 A CN 110473734A CN 201910800419 A CN201910800419 A CN 201910800419A CN 110473734 A CN110473734 A CN 110473734A
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- China
- Prior art keywords
- connecting lever
- earthing switch
- spring
- main shaft
- new marine
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- 230000003068 static effect Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- H01H31/003—Earthing switches
-
- 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
- H01H31/026—Movable parts and contacts mounted thereon
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of New Marine earthing switches, including bottom plate and operating shaft；The operation the tip of the axis is connected with the left end of the first connecting lever；The right end of first connecting lever is connected by limit spring with bottom plate, the middle part of first connecting lever is connected with one end of connecting rod, the other end of the connecting rod is connected with the bottom of the second connecting lever, the top of second connecting lever is connected with main shaft, moving contact is connected on the outer wall of the main shaft, the static contact in the moving contact and busbar matches.Pass through the mutual cooperation of the first connecting lever, the second connecting lever and main shaft, it realizes in smaller space, repeatedly changes transmission direction, the rotary motion of operating shaft is finally allowed to be transferred to main shaft, the breaking-closing operating of earthing switch is completed, realizes the miniature requirement of earthing switch.
Description
Technical field
The present invention relates to a kind of New Marine earthing switches.
Background technique
With shipping development, ship develops to enlarged direction, and original low-voltage cabinet does not adapt to the demand of existing market,
Ship Medium Voltage Switchgear is had developed for this problem.But since the space of ship is limited, original Medium Voltage Switchgear often by
It is excessive in volume, ship requirement cannot be well adapted to, is applicable in and the small-sized and high reliablity of ship environment so must develop
The dedicated Medium Voltage Switchgear of ship.
And the earthing switch in the dedicated Medium Voltage Switchgear of ship of miniaturization must be reliable and stable, and divides ability strong, it is desirable that
Still there is cracking divide-shut brake speed after miniaturization, the preferably divide-shut brake speed than large-scale Medium Voltage Switchgear is also fast,
And want reliable and stable.
But often structural stability is poor for the earthing switch in existing switchgear, can not play very stable guarantor in electric leakage
Shield effect, and divide-shut brake speed is to be improved.
Summary of the invention
The purpose of the present invention is to solve the above the deficiencies in the prior art, propose a kind of New Marine earthing switch.
A kind of New Marine earthing switch, including bottom plate and operating shaft；A left side for the operation the tip of the axis and the first connecting lever
End is connected；The right end of first connecting lever is connected by limit spring with bottom plate, the middle part of the first connecting lever and one end of connecting rod
It is connected, the other end of the connecting rod is connected with the bottom of the second connecting lever, and the top of second connecting lever is connected with main shaft, described
Moving contact is connected on the outer wall of main shaft, the static contact in the moving contact and busbar matches；Limit convex is connected on second connecting lever
Wheel, the limit cam are equipped with sector notch, are equipped with limited post in the sector notch, pass through limit cam and limit
The cooperation of column can prevent Spindle rotation angle from spending greatly, moving contact is caused to damage, and the rotatable angle of main shaft is exactly fan-shaped lacks
The central angle of mouth.
Preferably, first connecting lever is L-shaped, and the left end of L-shaped first connecting lever is connected with operating shaft, and turns for first
The rotation center of arm is connected with vertical connecting rod, the end of connecting rod and the column phase on the first connecting lever in the middle part of the first connecting lever
Hingedly, the right end of the first connecting lever is connected by an angularly disposed limit spring with bottom plate.
Preferably, spring mechanism is additionally provided on the main shaft, the spring mechanism includes spring lead and auxiliary
The bottom of spring, the spring lead is connected by lateral shaft with bottom plate, and the secondary spring is set in spring and leads
To on column, the upper end of secondary spring is connected with the side wall of main shaft, and the lower end of secondary spring is connected on circlip, the circlip card
It connects in spring lead.
Preferably, the top of the operating shaft is equipped with notch for connecting handle, can be with by the notch
Connect an operation handle.
Preferably, the connecting rod is connected by universal joint with the bottom of the second connecting lever.
It preferably, further include ground line, by chassis ground, the other end is connected with moving contact for one end of the ground line.
Preferably, the bottom plate is equipped with the through-hole to match with operation shaft diameter, operating shaft pass through the through-hole with
The left end of first connecting lever is connected.
Usage mode:
1. all parts of earthing switch peculiar to vessel are mounted on bottom plate；
2. being rotated using earthing switch operation handle control operating shaft；
3. operating shaft rotates and the first connecting lever is driven to rotate；
4. limit spring guarantees the movement of the first connecting lever in place；
5. the first connecting lever drives connecting rod movement；
6. connecting rod drives the rotation of the second connecting lever；
7. the second connecting lever is connected with main shaft, so the second connecting lever will drive main axis when rotating；
8. main shaft rotates and the moving contact of earthing switch is driven to rotate, the divide-shut brake behaviour of earthing switch at this moment may be implemented
Make；(static contact is fixed on corresponding busbar)
9. limit cam is fixed on main shaft, it acts as main axis limits, when earthing switch carries out breaking-closing operating
When, after rotating by a certain angle, limit cam can encounter limited post, realize the function of limitation main axis；
10. same, the spring structure on main shaft provides strength for main shaft rotation, guarantees earthing switch divide-shut brake speed, mentions
The ability of high earthing switch disjunction short circuit current；
11. ground line is connected on moving contact of grounding switch, the aftercurrent in bus-bar system is grounded, is grounded out
Close the purpose of ground connection.
The utility model has the advantages that
By the first connecting lever, the mutual cooperation of connecting rod, the second connecting lever and main shaft, realize in smaller space, repeatedly
Change transmission direction, so that the rotary motion of operating shaft is transferred to always the rotary motion of main shaft, and realizes the rotation of moving contact
Turn, to complete the breaking-closing operating of earthing switch, realizes the miniature requirement of earthing switch.Pass through limit spring and auxiliary
The booster action of spring ensure that the divide-shut brake speed of earthing switch, guarantee being quickly converted for on-off.
Detailed description of the invention
Fig. 1 is a kind of side view of New Marine earthing switch；
Fig. 2 is a kind of structural schematic diagram one of New Marine earthing switch；
Fig. 3 is a kind of main view of New Marine earthing switch；
Fig. 4 is a kind of structural schematic diagram two of New Marine earthing switch；
1. 2. 3. first connecting lever of operating shaft, 4. limit spring, 5. 6. second connecting lever of connecting rod of bottom plate, 7. main shaft 8. is dynamic
9. limit cam of contact, 10. limited post, 11. secondary spring 12. ground line.
Specific embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and attached drawing, the invention will be further described, should
The examples are only for explaining the invention, is not intended to limit the scope of the present invention..
As shown in Figs 1-4, a kind of New Marine earthing switch, including bottom plate 1 and operating shaft 2；The end of the operating shaft 2
It is connected with the left end of the first connecting lever 3；First connecting lever 3 is L-shaped.
The right end of first connecting lever 3 is connected by limit spring 4 with bottom plate 1, the middle part of the first connecting lever 3 and the one of connecting rod 5
End is connected, and the other end of the connecting rod 5 is connected by universal joint with the bottom of the second connecting lever 6, the top of second connecting lever 6
It is connected with main shaft 7, the first connecting lever 3 and the second connecting lever 6 are mutually orthogonal relationship in spatial relationship.
Moving contact 8 is connected on the outer wall of main shaft 7, the static contact in the moving contact 8 and busbar matches；
Limit cam 9 is connected on second connecting lever 6, the limit cam 9 is equipped with sector notch, the sector notch
It is interior to be equipped with limited post 10.
It is additionally provided with spring mechanism on the main shaft 7, the spring mechanism includes spring lead and secondary spring 11,
The bottom of the spring lead is connected by lateral shaft with bottom plate 1, and the secondary spring 11 is set in spring guiding
On column, the upper end of secondary spring 11 is connected with the side wall of main shaft 7, and the lower end of secondary spring 11 is connected on circlip, the card
Spring is connected in spring lead.
The bottom plate 1 is equipped with the through-hole to match with 2 diameter of operating shaft, and operating shaft 2 passes through the through-hole and first
The left end of connecting lever 3 is connected.
The top of the operating shaft 2 is equipped with the notch for connecting handle, and is connected with one by the notch
A operation handle.
It further include ground line 12, one end of the ground line 12 is grounded by bottom plate 1, and the other end is connected with moving contact 8.
Usage mode:
1. all parts of earthing switch peculiar to vessel are mounted on bottom plate 1；
2. being rotated using earthing switch operation handle control operating shaft 2；
3. operating shaft 2 rotates and the first connecting lever 3 is driven to rotate；
4. limit spring 4 guarantees the movement of the first connecting lever 3 in place；
5. the first connecting lever 3 drives connecting rod 5 to move；
6. connecting rod 5 drives the rotation of the second connecting lever 6；
7. the second connecting lever 6 is connected with main shaft 7, so the second connecting lever 6 will drive the rotation of main shaft 7 when rotating；
8. main shaft 7 rotates and the moving contact 8 of earthing switch is driven to rotate, the divide-shut brake behaviour of earthing switch at this moment may be implemented
Make；(static contact is fixed on corresponding busbar)
9. limit cam 9 is fixed on main shaft 7, it acts as 7 rotary spacings of main shaft, when earthing switch carries out divide-shut brake behaviour
When making, after rotating by a certain angle, limit cam 9 can encounter limited post 10, realize the function that limitation main shaft 7 rotates；
10. same, the spring structure on main shaft 7 provides strength for the rotation of main shaft 7, guarantees earthing switch divide-shut brake speed,
Improve the ability of earthing switch disjunction short circuit current；
11. ground line 12 is connected on moving contact of grounding switch 8, the aftercurrent in bus-bar system is grounded, realization connects
The purpose of ground switch ground connection.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of New Marine earthing switch, which is characterized in that including bottom plate and operating shaft；The operation the tip of the axis and first
The left end of connecting lever is connected；The right end of first connecting lever is connected by limit spring with bottom plate, the middle part of the first connecting lever and connection
One end of bar is connected, and the other end of the connecting rod is connected with the bottom of the second connecting lever, the top of second connecting lever and main shaft
It is connected, moving contact is connected on the outer wall of the main shaft, the static contact in the moving contact and busbar matches；Connect on second connecting lever
There is limit cam, the limit cam is equipped with sector notch, is equipped with limited post in the sector notch.
2. a kind of New Marine earthing switch according to claim 1, which is characterized in that first connecting lever is L-shaped.
3. a kind of New Marine earthing switch according to claim 1, which is characterized in that be additionally provided with bullet on the main shaft
Spring mechanism, the spring mechanism include spring lead and secondary spring, and the bottom of the spring lead passes through transverse direction
Shaft is connected with bottom plate, and the secondary spring is set in spring lead, the upper end of secondary spring and the side wall phase of main shaft
Even, the lower end of secondary spring is connected on circlip, and the circlip is connected in spring lead.
4. a kind of New Marine earthing switch according to claim 1, which is characterized in that the top of the operating shaft is equipped with
For connecting the notch of handle.
5. a kind of New Marine earthing switch according to claim 1, which is characterized in that the connecting rod passes through universal
Section is connected with the bottom of the second connecting lever.
6. a kind of New Marine earthing switch according to claim 1, which is characterized in that it further include ground line, it is described to connect
One end of ground wire is connected by chassis ground, the other end with moving contact.
7. a kind of New Marine earthing switch according to claim 1, which is characterized in that the bottom plate is equipped with and behaviour
Make the through-hole of shaft diameter matching, operating shaft passes through the through-hole and is connected with the left end of the first connecting lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800419.8A CN110473734A (en) | 2019-08-28 | 2019-08-28 | A kind of New Marine earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800419.8A CN110473734A (en) | 2019-08-28 | 2019-08-28 | A kind of New Marine earthing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110473734A true CN110473734A (en) | 2019-11-19 |
Family
ID=68512528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910800419.8A Pending CN110473734A (en) | 2019-08-28 | 2019-08-28 | A kind of New Marine earthing switch |
Country Status (1)
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|---|---|
| CN (1) | CN110473734A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202487477U (en) * | 2012-03-22 | 2012-10-10 | 万控（天津）电气有限公司 | Debugging-free grounding switch operating system |
| CN106710950A (en) * | 2016-12-30 | 2017-05-24 | 华仪电气股份有限公司 | Interlocking operation mechanism and high-voltage switchgear therewith |
| WO2017152667A1 (en) * | 2016-03-08 | 2017-09-14 | 国家电网公司 | Isolation and grounding switch mechanism, switchgear, and guide contact base thereof |
| CN206639732U (en) * | 2017-03-21 | 2017-11-14 | 厦门华电开关有限公司 | A kind of operating mechanism of earthed switch |
| CN206789480U (en) * | 2017-03-16 | 2017-12-22 | 温州开元集团有限公司 | A kind of high-voltage vacuum load switch of making switch with ground |
| CN107665781A (en) * | 2017-10-31 | 2018-02-06 | 成都起能起重设备技术服务有限公司 | A kind of novel interlocking device |
| CN210429641U (en) * | 2019-08-28 | 2020-04-28 | 现代重工(中国)电气有限公司 | Novel marine earthing switch |
-
2019
- 2019-08-28 CN CN201910800419.8A patent/CN110473734A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202487477U (en) * | 2012-03-22 | 2012-10-10 | 万控（天津）电气有限公司 | Debugging-free grounding switch operating system |
| WO2017152667A1 (en) * | 2016-03-08 | 2017-09-14 | 国家电网公司 | Isolation and grounding switch mechanism, switchgear, and guide contact base thereof |
| CN106710950A (en) * | 2016-12-30 | 2017-05-24 | 华仪电气股份有限公司 | Interlocking operation mechanism and high-voltage switchgear therewith |
| CN206789480U (en) * | 2017-03-16 | 2017-12-22 | 温州开元集团有限公司 | A kind of high-voltage vacuum load switch of making switch with ground |
| CN206639732U (en) * | 2017-03-21 | 2017-11-14 | 厦门华电开关有限公司 | A kind of operating mechanism of earthed switch |
| CN107665781A (en) * | 2017-10-31 | 2018-02-06 | 成都起能起重设备技术服务有限公司 | A kind of novel interlocking device |
| CN210429641U (en) * | 2019-08-28 | 2020-04-28 | 现代重工(中国)电气有限公司 | Novel marine earthing switch |
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