CN105869944B - A kind of earthing switch interlocking mechanism and its operating method - Google Patents
A kind of earthing switch interlocking mechanism and its operating method Download PDFInfo
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- CN105869944B CN105869944B CN201610361268.7A CN201610361268A CN105869944B CN 105869944 B CN105869944 B CN 105869944B CN 201610361268 A CN201610361268 A CN 201610361268A CN 105869944 B CN105869944 B CN 105869944B
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- interlocking
- operation axis
- earthing switch
- cabinet
- axis
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- 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
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Patch Boards (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of interlocking mechanism more particularly to a kind of earthing switch interlocking mechanism and its operating methods, in power equipment.Including cabinet, operation axis is equipped in the cabinet, the operation axis is connected with ground connection control assembly and interlock assembly respectively.A kind of earthing switch interlocking mechanism and its operating method are compact-sized, promote performance, improve operating efficiency.
Description
Technical field
The present invention relates to a kind of interlocking mechanism more particularly to a kind of earthing switch interlocking mechanism and its operating methods, are used for
In power equipment.
Background technology
In existing electric system, in power equipment, in maintenance process, it sometimes appear that hot line job, reduces maintenance
Safety.
Chinese patent 201210254820.4 discloses a kind of modular construction of switchgear, specifically a kind of switch-cabinet grounding
Switch and lower door interlocking mechanism.The mechanism includes cabinet, is equipped with earthing switch in the middle part of cabinet, cabinet lower part is provided with fusing
Xiamen is arranged in device room, fuse room front end；The operating shaft front end of earthing switch is spindle nose that can be mating with operation handle；
There are one the inter-locking panels that can be rotated with spindle nose, interlocking plate edge to be hinged with connecting rod for connection on spindle nose, and connecting rod lower end is hinged with lock pin；
The rotation of inter-locking panel can drive lock pin to be vertically moved on guide holder by connecting rod；When Xiamen is closed, lock pin
Move up and down the lockhole that can be extracted out or be inserted on lower head jamb.This structure is relative complex, and using effect is poor.
Invention content
The present invention mainly solves the deficiencies in the prior art, provides a kind of compact-sized, further increases use
Safety is not take up space on switchgear, can save switchgear width a kind of earthing switch interlocking mechanism and its
Operating method
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
A kind of earthing switch interlocking mechanism, including cabinet are equipped with operation axis, the operation axis in the cabinet
It is connected respectively with ground connection control assembly and interlock assembly；
The ground connection control assembly includes socket-connecting fixed earthed crank arm with operation axis, the earthed crank arm with
Ground connection connecting rod is mutually fixedly connected, and the ground connection connecting rod drives earthing switch axis to be rotated, and the earthing switch axis passes through
Earthing switch is rotated, and static contact and moving contact are equipped in the cabinet, and the earthing switch is mutually fixed with static contact
It touches, the earthing switch is touched with moving contact phase activity, and the operation axis drives earthing switch axis to carry out displacement, institute
The static contact stated is located in major loop；
The interlock assembly includes interlocking rod and interlocking shaft, and one end of the interlocking rod passes through the upper connecting lever of interlocking
It being mutually fixedly connected with operation axis, the other end of the interlocking rod is mutually fixedly connected by the lower connecting lever of interlocking with interlocking shaft,
The outer end of the interlocking shaft is equipped with lock；
The operation axis drives the upper connecting lever of earthed crank arm, interlocking and interlocks time connecting lever and rotates simultaneously.
Preferably, the operation axis is positioned with interlocking between centers by fixation kit, the fixation kit includes
The mounting plate being located in cabinet, between the mounting plate and operation axis, mounting plate with interlocking between centers be respectively equipped with fixed plate, institute
Between the fixed plate stated and operation axis, fixed plate with interlocking between centers be respectively equipped with fixing sleeve.
Preferably, the outer end of the operation axis extends to the outer wall of cabinet, the outer end of the interlocking shaft extends
To the back door of cabinet, the outer end of the interlocking shaft is mutually positioned between cabinet by support.
Preferably, the operation axis and interlocking shaft are in upper and lower parallelly distribute on, connecting lever and interlocking in the interlocking
Lower connecting lever is distributed in consistency from top to bottom in the same direction.
A kind of operating method of earthing switch interlocking mechanism, carries out according to the following steps：
(1), it assembles：
From cabinet rear portion insertion operation main shaft, and it is socketed connecting lever and fixing piece；One end of operation axis and it is fixed on cabinet
Fixed plate on the mounting plate of middle part mutually positions, and fixed plate is in socket relationship with operation axis, and the other end of operation axis is fixed on
On the outer wall of cabinet；Fixed plate two sides are equipped with fixing sleeve, and fixing sleeve socket-connects with operation axis, between fixing sleeve and operation axis
It is fixed using bolt, fixing sleeve can quickly position the front and back position of operation axis；The middle-end installation connection of operation axis
Connecting lever is locked, earthed crank arm is installed in the outer end of operation axis, and connecting rod and earthing switch axis are mutually fixed to be connected earthed crank arm by being grounded
It connects；
The outer end of interlocking shaft is mutually positioned by support with cabinet, consolidating on the mounting plate in the other end and cabinet of interlocking shaft
Fixed board mutually positions, and support, fixed plate and interlocking shaft are in socket relationship；Support side, fixed plate two sides are equipped with fixing sleeve, fixed
Set socket-connects with operation axis, is fixed using bolt between fixing sleeve and operation axis, before and after fixing sleeve can be to operation axis
Position is quickly positioned；The lower connecting lever of front end installation interlocking of interlocking shaft；The outer end of interlocking shaft is equipped with lock；
Between earthed crank arm and operation axis, in interlocking between connecting lever and operation axis, the lower connecting lever of interlocking and interlocking between centers difference
It is fixed by pin；It is mutually fixedly connected by interlocking rod between connecting lever and the lower connecting lever of interlocking in interlocking；Interlocking shaft socket-connects with lock
And it is bolted；
It is set in back door there are one elliptical aperture, lock end is in ellipticity, and elliptical aperture is with lock in activity mating；
(2), it tests：
The operation possibility of detection ground connection control assembly and interlock assembly, determines that each component uses stability, ensures operation
The synchronism of main shaft and interlocking shaft operation；
(3), it operates：
Earthing switch is in gate-dividing state when major loop is powered；When major loop power-off maintenance, earthing switch is needed in conjunction
Lock state, makes major loop ground, can protect service personnel safe when being surprisingly powered, i.e., only be in closing position in earthing switch
It could allow to open back door maintenance when setting；
It after major loop powers off, is operated by operation handle outside cabinet so that operation axis rotates clockwise 90 degree, operation
Earthed crank arm and ground connection connecting rod on main shaft drive earthing switch shaft rotation 90 degree dynamic, and moving contact is with earthing switch axis from point position
The center of circle rotates 90 degree and is completely attached to static contact, is grounded switch and closes a floodgate, major loop ground；
When operational grounding switchs, operation axis rotates 90 degree, and connecting lever can be rotated together with operation axis in interlocking, be passed through
Connecting rod and the lower connecting lever of interlocking drive interlocking shaft and lock to be rotated with the same direction；When earthing switch is located at closing position, lock
With the elliptical aperture on back door in being mutually parallel, back door is not lockable end ellipsoid；When earthing switch, which is located at, divides position, lock
In vertical state with the elliptical aperture on back door, back door is lockable end ellipsoid, cannot be opened；
(4), daily maintenance：
When earthing switch operates, operation axis, interlocking shaft are respectively mutual sliding mode between fixed plate, support, are answered
Lubricating grease is applied to be lubricated；Should daily maintenance be carried out to each component in time, ensure the validity used.
This mechanism, linkage effect is outstanding, and synchronism is strong, occupies little space simultaneously, easy for installation, and performance is outstanding.
Therefore, a kind of earthing switch interlocking mechanism of the present invention and its operating method, it is compact-sized, performance is promoted, is carried
High operating efficiency.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the structural schematic diagram of interlocking mechanism in the present invention；
Fig. 3 be in the present invention A to the structural schematic diagram of earthing switch closing position；
Fig. 4 be in the present invention A to the structural schematic diagram of grounding switch tripping position.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of earthing switch interlocking mechanism, including cabinet 1, it is described
Operation axis 2 is equipped in cabinet 1, the operation axis 2 is connected with ground connection control assembly and interlock assembly respectively；
The ground connection control assembly includes socket-connecting fixed earthed crank arm 3 with operation axis 2, the earthed crank arm
3 are fixedly connected with ground connection 4 phase of connecting rod, and the ground connection connecting rod 4 drives earthing switch axis 5 to be rotated, the earthing switch
Axis is rotated by earthing switch 19, in the cabinet 1 be equipped with static contact 6 and moving contact 7, the earthing switch 19 with
The fixation of 6 phase of static contact touches, and the earthing switch 19 is touched with 7 phase activity of moving contact, and the operation axis 2 drives ground connection
Switch shaft 5 carries out displacement, and the static contact 6 is located in major loop 8；
The interlock assembly includes interlocking rod 9 and interlocking shaft 10, and one end of the interlocking rod 9 passes through in interlocking
Connecting lever 11 is fixedly connected with 2 phase of operation axis, and the other end of the interlocking rod 9 passes through the lower connecting lever 12 of interlocking and interlocking shaft 10
It is mutually fixedly connected, the outer end of the interlocking shaft 10 is equipped with lock 13；
The operation axis 2 drives the upper connecting lever 11 of earthed crank arm 3, interlocking and interlocks time connecting lever 12 and rotates simultaneously.
It is positioned by fixation kit between the operation axis 1 and interlocking shaft 10, the fixation kit includes being located at cabinet
Mounting plate 14 in body 1 is respectively equipped with fixation between the mounting plate 14 and operation axis 2, between mounting plate 14 and interlocking shaft 10
Plate 15 is respectively equipped with fixing sleeve 16 between the fixed plate 15 and operation axis 2, between fixed plate 15 and interlocking shaft 10.
The outer end of the operation axis 2 extends to the outer wall of cabinet 1, and the outer end of the interlocking shaft 10 extends to cabinet
1 back door 17, the outer end of the interlocking shaft 10 are positioned between cabinet 1 by 18 phase of support.
The operation axis 2 and interlocking shaft 10 are in upper and lower parallelly distribute on, in the interlocking connecting lever 11 with interlock under turn
Arm 12 is distributed in consistency from top to bottom in the same direction.
A kind of operating method of earthing switch interlocking mechanism, carries out according to the following steps：
(1), it assembles：
From cabinet rear portion insertion operation main shaft, and it is socketed connecting lever and fixing piece；One end of operation axis and it is fixed on cabinet
Fixed plate on the mounting plate of middle part mutually positions, and fixed plate is in socket relationship with operation axis, and the other end of operation axis is fixed on
On the outer wall of cabinet；Fixed plate two sides are equipped with fixing sleeve, and fixing sleeve socket-connects with operation axis, between fixing sleeve and operation axis
It is fixed using bolt, fixing sleeve can quickly position the front and back position of operation axis；The middle-end installation connection of operation axis
Connecting lever is locked, earthed crank arm is installed in the outer end of operation axis, and connecting rod and earthing switch axis are mutually fixed to be connected earthed crank arm by being grounded
It connects；
The outer end of interlocking shaft is mutually positioned by support with cabinet, consolidating on the mounting plate in the other end and cabinet of interlocking shaft
Fixed board mutually positions, and support, fixed plate and interlocking shaft are in socket relationship；Support side, fixed plate two sides are equipped with fixing sleeve, fixed
Set socket-connects with operation axis, is fixed using bolt between fixing sleeve and operation axis, before and after fixing sleeve can be to operation axis
Position is quickly positioned；The lower connecting lever of front end installation interlocking of interlocking shaft；The outer end of interlocking shaft is equipped with lock；
Between earthed crank arm and operation axis, in interlocking between connecting lever and operation axis, the lower connecting lever of interlocking and interlocking between centers difference
It is fixed by pin；It is mutually fixedly connected by interlocking rod between connecting lever and the lower connecting lever of interlocking in interlocking；Interlocking shaft socket-connects with lock
And it is bolted；
It is set in back door there are one elliptical aperture, lock end is in ellipticity, and elliptical aperture is with lock in activity mating；
(2), it tests：
The operation possibility of detection ground connection control assembly and interlock assembly, determines that each component uses stability, ensures operation
The synchronism of main shaft and interlocking shaft operation；
(4), it operates：
Earthing switch is in gate-dividing state when major loop is powered；When major loop power-off maintenance, earthing switch is needed in conjunction
Lock state, makes major loop ground, can protect service personnel safe when being surprisingly powered, i.e., only be in closing position in earthing switch
It could allow to open back door maintenance when setting；
It after major loop powers off, is operated by operation handle outside cabinet so that operation axis rotates clockwise 90 degree, operation
Earthed crank arm and ground connection connecting rod on main shaft drive earthing switch shaft rotation 90 degree dynamic, and moving contact is with earthing switch axis from point position
The center of circle rotates 90 degree and is completely attached to static contact, is grounded switch and closes a floodgate, major loop ground；
When operational grounding switchs, operation axis rotates 90 degree, and connecting lever can be rotated together with operation axis in interlocking, be passed through
Connecting rod and the lower connecting lever of interlocking drive interlocking shaft and lock to be rotated with the same direction；When earthing switch is located at closing position, lock
With the elliptical aperture on back door in being mutually parallel, back door is not lockable end ellipsoid；When earthing switch, which is located at, divides position, lock
In vertical state with the elliptical aperture on back door, back door is lockable end ellipsoid, cannot be opened；
(4), daily maintenance：
When earthing switch operates, operation axis, interlocking shaft are respectively mutual sliding mode between fixed plate, support, are answered
Lubricating grease is applied to be lubricated；Should daily maintenance be carried out to each component in time, ensure the validity used.
Claims (2)
1. a kind of earthing switch interlocking mechanism, including cabinet (1), operation axis (2) is equipped in the cabinet (1), it is described
Operation axis (2) is connected with ground connection control assembly and interlock assembly respectively；
The ground connection control assembly includes socket-connecting fixed earthed crank arm (3) with operation axis (2), the earthed crank arm
(3) it is mutually fixedly connected with ground connection connecting rod (4), the ground connection connecting rod (4) drives earthing switch axis (5) to be rotated, described
Earthing switch axis is rotated by earthing switch (19), and static contact (6) and moving contact (7), institute are equipped in the cabinet (1)
Mutually fixation touches the earthing switch (19) stated with static contact (6), and the earthing switch (19) with moving contact (7) mutually touch by activity
It connects, the operation axis (2) drives earthing switch axis (5) to carry out displacement, and the static contact (6) is located in major loop (8)；
The interlock assembly includes interlocking rod (9) and interlocking shaft (10), and one end of the interlocking rod (9) passes through interlocking
Upper connecting lever (11) is mutually fixedly connected with operation axis (2), and the other end of the interlocking rod (9) passes through the lower connecting lever (12) of interlocking
It is mutually fixedly connected with interlocking shaft (10), the outer end of the interlocking shaft (10) is equipped with lock (13)；
The operation axis (2) drives the upper connecting lever (11) of earthed crank arm (3), interlocking and interlocks time connecting lever (12) and rotates simultaneously；
It is positioned by fixation kit between the operation axis (2) and interlocking shaft (10), the fixation kit includes being located at cabinet
Mounting plate (14) in body (1), between the mounting plate (14) and operation axis (2), between mounting plate (14) and interlocking shaft (10)
It is respectively equipped with fixed plate (15), is divided between the fixed plate (15) and operation axis (2), between fixed plate (15) and interlocking shaft (10)
It She You not fixing sleeve (16)；
The outer end of the operation axis (2) extends to the outer wall of cabinet (1), and the outer end of the interlocking shaft (10) extends to cabinet
The outer end at the back door (17) of body (1), the interlocking shaft (10) is mutually positioned between cabinet (1) by support (18)；Its feature exists
In：The operation axis (2) and interlocking shaft (10) are in upper and lower parallelly distribute on, in the interlocking connecting lever (11) with interlock under turn
Arm (12) is distributed in consistency from top to bottom in the same direction.
2. a kind of operating method of earthing switch interlocking mechanism according to claim 1, it is characterised in that according to the following steps
It carries out：
(1), it assembles：
From cabinet rear portion insertion operation main shaft, and it is socketed connecting lever and fixing piece；It one end of operation axis and is fixed in the middle part of cabinet
Fixed plate on mounting plate mutually positions, and fixed plate is in socket relationship with operation axis, and the other end of operation axis is fixed on cabinet
Outer wall on；Fixed plate two sides are equipped with fixing sleeve, and fixing sleeve socket-connects with operation axis, utilized between fixing sleeve and operation axis
Bolt is fixed, and fixing sleeve can quickly position the front and back position of operation axis；In the middle-end installation interlocking of operation axis
Earthed crank arm is installed in the outer end of connecting lever, operation axis, and earthed crank arm is mutually fixedly connected by being grounded connecting rod with earthing switch axis；
The outer end of interlocking shaft is mutually positioned by support with cabinet, the fixed plate on mounting plate in the other end and cabinet of interlocking shaft
It mutually positions, support, fixed plate and interlocking shaft are in socket relationship；Support side, fixed plate two sides be equipped with fixing sleeve, fixing sleeve with
Operation axis socket-connects, and is fixed using bolt between fixing sleeve and operation axis, and fixing sleeve can be to the front and back position of operation axis
Quickly positioned；The lower connecting lever of front end installation interlocking of interlocking shaft；The outer end of interlocking shaft is equipped with lock；
Between earthed crank arm and operation axis, in interlocking between connecting lever and operation axis, the lower connecting lever of interlocking passes through respectively between centers is interlocked
Pin is fixed；It is mutually fixedly connected by interlocking rod between connecting lever and the lower connecting lever of interlocking in interlocking；Interlocking shaft socket-connects and leads to lock
Bolt is crossed to fix；
It is set in back door there are one elliptical aperture, lock end is in ellipticity, and elliptical aperture is with lock in activity mating；
(2), it tests：
The operation possibility of detection ground connection control assembly and interlock assembly, determines that each component uses stability, ensures operation axis
With the synchronism of interlocking shaft operation；
(3), it operates：
Earthing switch is in gate-dividing state when major loop is powered；When major loop power-off maintenance, earthing switch needs to be in combined floodgate shape
State makes major loop ground, can protect service personnel safe when being surprisingly powered, i.e., only when earthing switch is in closing position
It could allow to open back door maintenance；
It after major loop powers off, is operated by operation handle outside cabinet so that operation axis rotates clockwise 90 degree, operation axis
On earthed crank arm and ground connection connecting rod drive dynamic 90 degree of earthing switch shaft rotation, moving contact from divide position using earthing switch axis as the center of circle
90 degree of rotation is completely attached to static contact, is grounded switch and is closed a floodgate, major loop ground；
When operational grounding switchs, operation axis rotates 90 degree, and connecting lever can be rotated together with operation axis in interlocking, pass through connecting rod
Interlocking shaft and lock is driven to be rotated with the same direction with the lower connecting lever of interlocking；When earthing switch is located at closing position, end is latched
With the elliptical aperture on back door in being mutually parallel, back door is not lockable ellipsoid；When earthing switch, which is located at, divides position, end is latched
In vertical state with the elliptical aperture on back door, back door is lockable ellipsoid, cannot be opened；
(4), daily maintenance：
When earthing switch operates, operation axis, interlocking shaft are mutual sliding mode between fixed plate, support respectively, should apply profit
Consistent lubricant is lubricated；Should daily maintenance be carried out to each component in time, ensure the validity used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361268.7A CN105869944B (en) | 2016-05-25 | 2016-05-25 | A kind of earthing switch interlocking mechanism and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610361268.7A CN105869944B (en) | 2016-05-25 | 2016-05-25 | A kind of earthing switch interlocking mechanism and its operating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105869944A CN105869944A (en) | 2016-08-17 |
| CN105869944B true CN105869944B (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610361268.7A Active CN105869944B (en) | 2016-05-25 | 2016-05-25 | A kind of earthing switch interlocking mechanism and its operating method |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531535B (en) * | 2016-12-25 | 2018-10-26 | 中山弗雷德机械有限公司 | A kind of mechanical interlocks |
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|---|---|---|---|---|
| CN2736902Y (en) * | 2004-06-11 | 2005-10-26 | 安徽鑫龙电器股份有限公司 | Armour moving type closed AC switch cabinet |
| CN201032613Y (en) * | 2007-02-16 | 2008-03-05 | 常熟开关制造有限公司(原常熟开关厂） | Interlocking device for switching equipment |
| CN201556845U (en) * | 2009-12-11 | 2010-08-18 | 天水长城开关厂有限公司 | Earthing switch and back-lower gate interlocking mechanism of medium-voltage aggregated switchgear |
| CN201886951U (en) * | 2010-12-10 | 2011-06-29 | 上海一电集团有限公司 | Grounding switch and rear door interlocking device for high-voltage switch cabinet |
| CN205789670U (en) * | 2016-05-25 | 2016-12-07 | 杭州欣美成套电器制造有限公司 | A kind of earthed switch interlocking mechanism |
-
2016
- 2016-05-25 CN CN201610361268.7A patent/CN105869944B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2736902Y (en) * | 2004-06-11 | 2005-10-26 | 安徽鑫龙电器股份有限公司 | Armour moving type closed AC switch cabinet |
| CN201032613Y (en) * | 2007-02-16 | 2008-03-05 | 常熟开关制造有限公司(原常熟开关厂） | Interlocking device for switching equipment |
| CN201556845U (en) * | 2009-12-11 | 2010-08-18 | 天水长城开关厂有限公司 | Earthing switch and back-lower gate interlocking mechanism of medium-voltage aggregated switchgear |
| CN201886951U (en) * | 2010-12-10 | 2011-06-29 | 上海一电集团有限公司 | Grounding switch and rear door interlocking device for high-voltage switch cabinet |
| CN205789670U (en) * | 2016-05-25 | 2016-12-07 | 杭州欣美成套电器制造有限公司 | A kind of earthed switch interlocking mechanism |
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| CN105869944A (en) | 2016-08-17 |
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