CN109671588A - A kind of metal closed switch cabinet grounding switch locking device - Google Patents
A kind of metal closed switch cabinet grounding switch locking device Download PDFInfo
- Publication number
- CN109671588A CN109671588A CN201811521346.0A CN201811521346A CN109671588A CN 109671588 A CN109671588 A CN 109671588A CN 201811521346 A CN201811521346 A CN 201811521346A CN 109671588 A CN109671588 A CN 109671588A
- Authority
- CN
- China
- Prior art keywords
- mandril
- earthing switch
- operating shaft
- switch operating
- limited block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
Abstract
A kind of earthing switch locking operating device of metal closed switch cabinet disclosed by the invention, its bevel gear earthing switch operating mechanism has an earthing switch operating shaft and the fixed grounding being fixed in earthing switch operating shaft switch operating shaft limited block, further includes movable earthing switch operating shaft limited block, the chain limit plate of mandril, connecting rod, installation positioning plate, mandril and mandril reset spring.When back door is closed, back door drives movable earthing switch operating shaft limited block to travel forward by mandril, connecting rod, keep movable earthing switch operating shaft limited block chimeric with fixed grounding switch operating shaft limited block disengaging, so that earthing switch operating shaft completes separating brake movement.When back door is opened, mandril reset spring drives movable earthing switch operating shaft limited block to move backward by mandril, connecting rod keeps movable earthing switch operating shaft limited block chimeric with fixed grounding switch operating shaft limited block, earthing switch operating shaft can not rotate, and cannot complete sub-switching operation.
Description
Technical field
The present invention relates to electrical equipment technical fields, in particular to a kind of to open for the metal enclosed of switchgear bevel gear
Close cabinet earthing switch locking operating device.
Background technique
Site operation personnel unconsciously implements the operation of mistake in order to prevent, so as to cause accident generation, in addition to reinforcing
Training and implementation ticket system to operator should also be added positive locking device or be taken in the design of switchgear
Indicative measure.For switchgear, need to provide five kinds prevents maloperation function: preventing from accidentally dividing falsely close circuit breaker, anti-stop-band
Disconnecting switch or on-load are pushed into pull-out circuit breaker cart, prevent electrification behaviour from closing earthing switch or mounting temporarily up and down for load division
Power transmission when being grounded, preventing from closing a floodgate with temporary ground wire or earthing switch prevents people's mistakenly entering charged chamber.
The design of rear door of switch cabinet and earthing switch blocking mechanism is to meet switchgear " five is anti-" and require；When back door is beaten
Earthing switch is unable to separating brake when opening；When back door is closed, earthing switch can just carry out separating brake.It can effectively prevent maintenance people
Member's mistakenly entering charged chamber.But existing bevel gear earthing switch and door latch apparatus after switchgear are unreliable, are easy to appear mistake
Operation.
Summary of the invention
Technical problem to be solved by the present invention lies in be latched for existing bevel gear earthing switch and switchgear back door
Device is unreliable, is easy to appear maloperation and provides a kind of metal closed switch cabinet earthing switch for switchgear bevel gear
Locking operating device solves the problems, such as that existing bevel gear earthing switch and door latch apparatus after switchgear are unreliable, prevents from missing
Operation.
The technical problems to be solved by the invention can be achieved through the following technical solutions:
A kind of earthing switch locking operating device of metal closed switch cabinet, including bevel gear earthing switch operating mechanism,
The bevel gear earthing switch operating mechanism has an earthing switch operating shaft and is fixed in the earthing switch operating shaft
Fixed grounding switchs operating shaft limited block, and the earthing switch operating shaft switchs operating shaft limited block by fixed grounding and grasps
The bevel gear transmission rotation made in bevel gear earthing switch operating mechanism carries out the operation of bevel gear earthing switch, and feature exists
In, further include:
One is slidably located in the movable earthing switch operating shaft limited block in the earthing switch operating shaft, in the work
Dynamic formula earthing switch operating shaft limited block is provided with retention bead and is provided on fixed grounding switch operating shaft limited block
Corresponding limiting slot, when the bevel gear earthing switch operating mechanism is latched, the movable earthing switch operating shaft limited block
On retention bead be inserted on fixed grounding switch operating shaft limited block in corresponding limiting slot, limit the ground connection
Switch operating shaft rotation；
The chain limit plate of the mandril being fixed on the cabinet body, it is chain on the chain limit plate of the mandril to offer mandril
Limiting slot；
One pass through the chain limit plate of the mandril on the chain limiting slot of mandril connecting rod, the lower end of the connecting rod with it is described
Movable earthing switch operating shaft limited block connection, to drive the movable earthing switch operating shaft limited block in the ground connection
It is moved back and forth in switch operating shaft, realizes the locking between fixed grounding switch operating shaft limited block and unlock；
One is fixed on the installation positioning plate on the cabinet body；
One slides through the mandril of the installation positioning plate, and the first end of the mandril and the upper end of the connecting rod are hinged,
The second end of the mandril is driven by the back door of the metal closed switch cabinet at closing time at the back door of the metal closed switch cabinet
Dynamic movement；
The one mandril reset spring being set on the mandril and one is fixed on spacer pin on the mandril, the mandril
Reset spring is between the installation positioning plate and the spacer pin.
In a preferred embodiment of the invention, the second end of the mandril is tortuous.
In a preferred embodiment of the invention, an idler wheel is equipped in the terminal shaft of the mandril second end.
In a preferred embodiment of the invention, the chain limit plate of the mandril is the chain limit plate of U-shaped mandril, in institute
It states and offers the chain limiting slot of the identical mandril of shape on two vertical edges of the chain limit plate of U-shaped mandril.
In a preferred embodiment of the invention, the installation positioning plate is U-shaped installation positioning plate, in the mandril
Portion passes through the jogger hole on two vertical edges of the U-shaped installation positioning plate, and the mandril reset spring is located at the U-shaped installation positioning
Between the vertical edge and the spacer pin of plate.
Due to use technical solution as above, metal closed switch cabinet grounding switch locking device of the present invention it is positive into
Step effect is: structure is applied widely, structure is simple and direct, and performance safety is reliable.It is latched relative to other earthing switches and back door
Mechanism: multiple connecting rod connections are not needed, apart from short, driving error is small, guarantees transmission accuracy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the earthing switch locking operating device of metal closed switch cabinet of the present invention.
Fig. 2 is the front view of the earthing switch locking operating device of metal closed switch cabinet of the present invention.
Fig. 3 is that the earthing switch locking operating device of metal closed switch cabinet of the present invention is in the schematic diagram of blocking.
Fig. 4 is that the earthing switch locking operating device of metal closed switch cabinet of the present invention is in the schematic diagram of unlocking condition.
Specific embodiment
Carry out the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1 and Fig. 2, the earthing switch locking operating device of a kind of metal closed switch cabinet shown in figure, including
Bevel gear earthing switch operating mechanism 100, the bevel gear earthing switch operating mechanism 100 have an earthing switch operating shaft 110
Operating shaft limited block 120, earthing switch operating shaft 110 are switched with the fixed grounding being fixed in earthing switch operating shaft 110
The bevel gear transmission in the operation bevel gear earthing switch operating mechanism 100 of operating shaft limited block 120 is switched by fixed grounding
130 rotation of pair carries out the operation of bevel gear earthing switch.Limiting slot is offered on fixed grounding switch operating shaft limited block 120
121。
The method have the characteristics that further including movable earthing switch operating shaft limited block 210, the chain limit plate of mandril, company
Bar 230, installation positioning plate, mandril 250 and mandril reset spring 260.
Movable 210 sliding sleeve of earthing switch operating shaft limited block is in earthing switch operating shaft 110, in movable ground connection
Switch operating shaft limited block 210 is provided with fixed grounding switch 120 direction of operating shaft limited block retention bead 211 outstanding.
When bevel gear earthing switch operating mechanism is latched, the retention bead 211 on movable earthing switch operating shaft limited block 210 is inserted into
On to fixed grounding switch operating shaft limited block 120 in corresponding limiting slot 121, limitation earthing switch operating shaft 110 is rotated.
The chain limit plate of mandril is the chain limit plate 220 of U-shaped mandril, and the bottom edge 221 of the U-shaped chain limit plate 220 of mandril is solid
Determine on the cabinet, to offer the chain limit of the identical mandril of shape on two vertical edges 222,223 of the chain limit plate 220 of U-shaped mandril
Position slot 222a, 223a.
Installation positioning plate is U-shaped installation positioning plate 240, and the bottom edge 241 of U-shaped installation positioning plate 240 is fixed on the cabinet,
Coaxial jogger hole 242a, 243a are offered on two vertical edges 242,243 of U-shaped installation positioning plate 240.
Connecting rod 230 pass through the chain limit plate 220 of U-shaped mandril two vertical edges 222,223 on the chain limiting slot 222a of mandril,
223a, the lower end of connecting rod 230 are fixedly connected with movable earthing switch operating shaft limited block 210.
The middle part of mandril 250 passes through and offers coaxial jogger hole on U-shaped two vertical edges 242,243 for installing positioning plate 240
242a, 243a, first end 251 and the upper end of connecting rod 230 are hinged.The second end 252 of mandril 250 is tortuous.In mandril 250
Second end 252 terminal shaft be equipped with an idler wheel 253.
260 sets of mandril reset spring on the middle part of mandril 250 and be located at it is U-shaped installation positioning plate 240 two vertical edges 242,
Between 243, there is a spacer pin 254 the middle part of mandril 250 is radially fixed, spacer pin 254 also is located at U-shaped installation positioning plate 240
Two vertical edges 242,243 between.Mandril reset spring 260 be located at it is U-shaped installation positioning plate 240 vertical edge 243 and spacer pin 254 it
Between.
Referring to Fig. 3 and Fig. 4, the earthing switch locking operating device of metal closed switch cabinet of the invention is used in
In KYN61 cabinet, the U-shaped chain limit plate 220 of mandril and the U-shaped corresponding positions installed positioning plate 240 and be mounted on cabinet body back side panel 310
It sets；When back door 320 is closed, back door 320 drives mandril 250 to travel forward by idler wheel 253,250 forward movement of mandril
In, it drives connecting rod 230 also to travel forward, in 230 forward movement of connecting rod, drives movable earthing switch operating shaft limited block
210 travel forward along earthing switch operating shaft 110, so that the retention bead on movable earthing switch operating shaft limited block 210
211 exit from the limiting slot 121 on fixed grounding switch operating shaft limited block 120, so that 110 band of earthing switch operating shaft
Bevel gear transmission 130 in dynamic bevel gear earthing switch operating mechanism 100 rotates, and completes separating brake movement.Mandril during this
The compress energy storage under the effect of spacer pin 254 of reset spring 260.
When back door 320 is opened, idler wheel 253 loses limitation, and mandril reset spring 260 discharges, in mandril reset spring 260
Under effect, mandril 250 is pushed to move backward, mandril 250 in motion process, drives connecting rod 230 also to move backward, connecting rod backward
230 backward in motion process, and movable earthing switch operating shaft limited block 210 is driven to transport backward along earthing switch operating shaft 110
It is dynamic, so that the retention bead 211 on movable earthing switch operating shaft limited block 210 is inserted into fixed grounding switch operating shaft
In limiting slot 121 on limited block 120, fixed grounding switch operating shaft limited block 120 is blocked, so that earthing switch operating shaft
110 can not rotate, and cannot complete separating brake movement.
The basic principles and main features and advantages of the present invention of invention have been shown and described above.The technology people of the industry
Member is it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this hairs
Bright principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variations
It all fall within the protetion scope of the claimed invention with improvement, the claimed scope of the invention is by appended claims and its waits
Effect object defines.
Claims (5)
1. a kind of earthing switch locking operating device of metal closed switch cabinet, including bevel gear earthing switch operating mechanism, institute
Bevel gear earthing switch operating mechanism is stated with an earthing switch operating shaft and is fixed on consolidating in the earthing switch operating shaft
Fixed pattern earthing switch operating shaft limited block, the earthing switch operating shaft switch operating shaft limited block by fixed grounding and operate
Bevel gear transmission rotation in bevel gear earthing switch operating mechanism carries out the operation of bevel gear earthing switch, it is characterised in that,
Further include:
One is slidably located in the movable earthing switch operating shaft limited block in the earthing switch operating shaft, described movable
Earthing switch operating shaft limited block is provided with retention bead and is provided on fixed grounding switch operating shaft limited block corresponding
Limiting slot, when the bevel gear earthing switch operating mechanism is latched, on the movable earthing switch operating shaft limited block
Retention bead is inserted on the fixed grounding switch operating shaft limited block in corresponding limiting slot, limits the earthing switch
Operating shaft rotation；
The chain limit plate of the mandril being fixed on the cabinet body offers the chain limit of mandril on the chain limit plate of the mandril
Slot；
One passes through the connecting rod of the chain limiting slot of mandril on the chain limit plate of the mandril, the lower end of the connecting rod and the activity
Formula earthing switch operating shaft limited block connection, to drive the movable earthing switch operating shaft limited block in the earthing switch
It is moved back and forth in operating shaft, realizes the locking between fixed grounding switch operating shaft limited block and unlock；
One is fixed on the installation positioning plate on the cabinet body；
One slides through the mandril of the installation positioning plate, and the first end of the mandril and the upper end of the connecting rod are hinged, described
The second end of mandril is driven fortune by the back door of the metal closed switch cabinet at closing time at the back door of the metal closed switch cabinet
It is dynamic；
The one mandril reset spring being set on the mandril and one is fixed on spacer pin on the mandril, and the mandril resets
Spring is between the installation positioning plate and the spacer pin.
2. the earthing switch locking operating device of metal closed switch cabinet as described in claim 1, which is characterized in that the top
The second end of bar is tortuous.
3. the earthing switch locking operating device of metal closed switch cabinet as claimed in claim 2, which is characterized in that described
The terminal shaft of mandril second end is equipped with an idler wheel.
4. the earthing switch locking operating device of metal closed switch cabinet as described in claim 1, which is characterized in that the top
The chain limit plate of bar is the chain limit plate of U-shaped mandril, offers shape phase on two vertical edges of the U-shaped chain limit plate of mandril
The same chain limiting slot of mandril.
5. the earthing switch locking operating device of metal closed switch cabinet as described in claim 1, which is characterized in that the peace
Dress positioning plate is U-shaped installation positioning plate, and the middle part of the mandril passes through the mandril on two vertical edges of the U-shaped installation positioning plate
Hole, the mandril reset spring are located between a vertical edge and the spacer pin for the U-shaped installation positioning plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521346.0A CN109671588B (en) | 2018-12-12 | 2018-12-12 | Locking device for grounding switch of metal-enclosed switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521346.0A CN109671588B (en) | 2018-12-12 | 2018-12-12 | Locking device for grounding switch of metal-enclosed switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109671588A true CN109671588A (en) | 2019-04-23 |
| CN109671588B CN109671588B (en) | 2020-04-21 |
Family
ID=66144332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811521346.0A Active CN109671588B (en) | 2018-12-12 | 2018-12-12 | Locking device for grounding switch of metal-enclosed switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109671588B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931276A (en) * | 2019-12-10 | 2020-03-27 | 扬州镕锐达机械有限公司 | Locking mechanism for operating shaft of grounding switch in door opening state of central switch cabinet door |
| CN111029204A (en) * | 2019-12-30 | 2020-04-17 | 青岛益和电气集团股份有限公司 | Locking device for rear door and grounding switch of switch cabinet |
| CN116153685A (en) * | 2023-04-18 | 2023-05-23 | 江苏国控电力设备有限公司 | Metal-enclosed switchgear grounding switch locking device and switchgear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942774A1 (en) * | 1989-10-03 | 1991-04-11 | Dieter Ramsauer | Housing for lock in gap in door - has reliable earth connection between lock and door which is electrically conducting |
| CN101976622A (en) * | 2010-11-02 | 2011-02-16 | 山东鲁亿通电气设备有限公司 | Grounding switch operating device of removable switch cabinet |
| WO2012103681A1 (en) * | 2011-01-31 | 2012-08-09 | 江苏东源电器集团股份有限公司 | Switch apparatus with internal arcing prevention |
| CN203179729U (en) * | 2013-01-17 | 2013-09-04 | 国家电网公司 | Interlocking mechanism of grounding switch and cable chamber door of switch cabinet |
| CN204289164U (en) * | 2014-12-29 | 2015-04-22 | 日新恒通电气有限公司 | The reverse locking device of the earthed switch of high-tension switch cabinet and back door |
-
2018
- 2018-12-12 CN CN201811521346.0A patent/CN109671588B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942774A1 (en) * | 1989-10-03 | 1991-04-11 | Dieter Ramsauer | Housing for lock in gap in door - has reliable earth connection between lock and door which is electrically conducting |
| CN101976622A (en) * | 2010-11-02 | 2011-02-16 | 山东鲁亿通电气设备有限公司 | Grounding switch operating device of removable switch cabinet |
| WO2012103681A1 (en) * | 2011-01-31 | 2012-08-09 | 江苏东源电器集团股份有限公司 | Switch apparatus with internal arcing prevention |
| CN203179729U (en) * | 2013-01-17 | 2013-09-04 | 国家电网公司 | Interlocking mechanism of grounding switch and cable chamber door of switch cabinet |
| CN204289164U (en) * | 2014-12-29 | 2015-04-22 | 日新恒通电气有限公司 | The reverse locking device of the earthed switch of high-tension switch cabinet and back door |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931276A (en) * | 2019-12-10 | 2020-03-27 | 扬州镕锐达机械有限公司 | Locking mechanism for operating shaft of grounding switch in door opening state of central switch cabinet door |
| CN111029204A (en) * | 2019-12-30 | 2020-04-17 | 青岛益和电气集团股份有限公司 | Locking device for rear door and grounding switch of switch cabinet |
| CN116153685A (en) * | 2023-04-18 | 2023-05-23 | 江苏国控电力设备有限公司 | Metal-enclosed switchgear grounding switch locking device and switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109671588B (en) | 2020-04-21 |
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