CN104282464B - Breaker interlocking mechanism for switch cabinet - Google Patents
Breaker interlocking mechanism for switch cabinet Download PDFInfo
- Publication number
- CN104282464B CN104282464B CN201410595358.3A CN201410595358A CN104282464B CN 104282464 B CN104282464 B CN 104282464B CN 201410595358 A CN201410595358 A CN 201410595358A CN 104282464 B CN104282464 B CN 104282464B
- Authority
- CN
- China
- Prior art keywords
- chopper
- interlocking
- linkage block
- breaker
- switch cubicle
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
Abstract
The invention relates to a breaker interlocking mechanism for a switch cabinet. The breaker interlocking mechanism for the switch cabinet comprises a first breaker, a second breaker and a third breaker. The second breaker is located between the first breaker and the third breaker. Interlocking devices are arranged between the first breaker and the second breaker and between the second breaker and the third breaker respectively. Each interlocking device comprises a mounting support, a first interlocking sliding block, a second interlocking sliding block, an interlocking shaft sleeve, an interlocking shaft and a pressure spring.
Description
Technical field
The present invention relates to a kind of switch cubicle chopper interlocking mechanism, specifically a kind of electric power box cabinet equipment.
Background technology
Switch cubicle is a kind of electricity equipment, and outside line is introduced into master switch in cabinet, then enters back into sub-control switch, and each branch is needed to arrange by it, such as instrument, motor magnetic switch, various A.C. contactors etc., have also sets altitude chamber and low-pressure chamber switch cubicle, is provided with high voltage bus, such as power plant etc..
Chopper is the main unit accessory of high-tension switch cabinet, and being characterized in can be with frequent operation, and arc extinguishing is rapid, and connecting-disconnecting function is strong, and reliability is high.There is the high performance of comparison for closing Capacitor banks, but it is in disjunction such as transformation
During the inductive loads such as device, motor, electromotor, reactor, performance is poorer than disjunction capacitive load, it is necessary to be equipped with RC absorber or surge absorber or spark gap, can Suppressing Switching Overvoltage effectively.Vacuum is broken
Road device is widely used in control and the protection of the power systems such as power plant, electric substation, industrial and mining establishment.
But, the switching requirements of High-Voltage Electrical Appliances is higher, need to be provided with chopper interlocking mechanism, connecting lever connecting plate is driven by circuit-breaker switching on-off, carrying out beaing or discharge spring axis to realize and operation dish interlocking, unblock, owing to production technology is the most perfect, the Product Precision processed is not height very, use relatively difficult
And during running also less stable, and be easier to damage, poor safety performance, affect the service life of product, Practical Performance is the best, it is impossible to meet the needs of present high speed development, is unfavorable for promoting and use.
Summary of the invention
The technical problem to be solved is to provide a kind of switch cubicle chopper interlocking mechanism for above drawback, and simple in construction is easy to operate, reliable and stable, it is ensured that the security performance that switch cubicle uses.
For solving above-mentioned technical problem, the technical scheme is that
nullA kind of switch cubicle chopper interlocking mechanism，Including the first chopper，Second chopper，3rd chopper，Described second chopper is between the first chopper and the 3rd chopper，Between first chopper and the second chopper、It is equipped with interlock between second chopper and the 3rd chopper，Described interlock includes mounting bracket、First linkage block、Second linkage block、Interlocking axle sleeve、Interlocking shaft and stage clip，Interlocking axle sleeve is fixed in mounting bracket，It is provided with first passage and second channel in described interlocking axle sleeve，First passage is interconnected with second channel，The diameter d1 of first passage is less than the diameter d2 of second channel，Described interlocking shaft is through interlocking axle sleeve and first passage matched in clearance，Interlocking shaft is provided with spacing preiection，Described interlocking shaft puts and is provided with mounting hole，Described compression spring sleeve is combined on interlocking shaft，Spacing preiection is slidably disposed in mounting hole，Described stage clip is arranged in second channel by spacing preiection，Described stage clip is in compressive state，Described first linkage block and symmetrical being fixed on the first chopper or the 3rd chopper and the relative sidewall of the second chopper of the second linkage block，Described second chopper is provided with switch knob，The quantity of described switch knob is two，It is positioned at below the second linkage block.
Above-mentioned a kind of switch cubicle chopper interlocking mechanism, wherein, described second linkage block top is set to inclined-plane, and the bottom of the first linkage block is set to inclined-plane.
Above-mentioned a kind of switch cubicle chopper interlocking mechanism, wherein, described spacing preiection is cylindrical structural.
The present invention is in switch cubicle, in switch cubicle, two pieces of dividing plates by being vertically arranged are separated into three spaces, first chopper, second chopper, 3rd chopper is separately positioned in three spaces, the mounting bracket of interlock is fixed on dividing plate, it is respectively provided with a chopper in three spaces and fixes axle, described first chopper, second chopper and the 3rd chopper are fixed on chopper and fix on axle, described chopper is fixed axle and is provided with test position spacing ring and working position spacing ring, and described test position spacing ring is positioned at above working position spacing ring；
When the chopper in switch cubicle is when opening a sluice gate state, three chopper tops contact with test position spacing ring, and now, interlocking shaft is positioned at the lower section of three choppers, is pressed together on breaker closing button, is pinned by chopper so that it is can not close a floodgate；When needs carry out closing operation, first chopper and the 3rd chopper first prolong chopper fix axle and move down until touching working position spacing ring, second chopper prolongs chopper again fix axle and be moved downward to working position spacing ring, now interlocking shaft is positioned at the first linkage block and the top of the second linkage block being fixed on three choppers, no longer it is pressed together on breaker closing button, it can be carried out closing operation, simple in construction, easy to operate, reliable and stable, it is ensured that the security performance that switch cubicle uses；
Second linkage block top is disposed as inclined-plane with the bottom of the first linkage block, and arranges stage clip in interlocking axle sleeve, and when making chopper move, contacting between interlocking shaft and linkage block has effective buffering, adds service life.
Accompanying drawing explanation
Fig. 1 be the present invention open a sluice gate structure graph.
Fig. 2 is the structure chart of "on" position of the present invention.
Fig. 3 is A portion of the present invention enlarged drawing.
Fig. 4 is interlocking shaft noose composition of the present invention.
Detailed description of the invention
The present invention will be further described below in conjunction with the accompanying drawings.
nullA kind of switch cubicle chopper interlocking mechanism as shown in the figure，Including the first chopper 3，Second chopper 4，3rd chopper 5，Described second chopper 4 is between the first chopper 3 and the 3rd chopper 5，Between first chopper 3 and the second chopper 4、It is equipped with interlock 6 between second chopper 4 and the 3rd chopper 5，Described interlock 6 includes mounting bracket 10、First linkage block 11、Second linkage block 12、Interlocking axle sleeve 13、Interlocking shaft 14 and stage clip 15，Described mounting bracket 10 is fixed on dividing plate 1，Interlocking axle sleeve 13 is fixed in mounting bracket 10，First passage 16 and second channel 17 it is provided with in described interlocking axle sleeve 13，First passage 16 is interconnected with second channel 17，The diameter d1 of first passage 16 is less than the diameter d2 of second channel 17，Described interlocking shaft 14 is through interlocking axle sleeve 13 and first passage 16 matched in clearance，Interlocking shaft 14 is provided with spacing preiection 18，Described spacing preiection 18 is cylindrical structural，Described interlocking axle sleeve 13 is provided with mounting hole 19，Described stage clip 15 is linked on interlocking shaft 14，Spacing preiection 18 is slidably disposed in mounting hole 19，Described stage clip 15 is fixedly installed in second channel 17 by spacing preiection 18，Described stage clip 15 is in compressive state，On what described first linkage block 11 was symmetrical with the second linkage block 12 be fixed on the first chopper 3 or the 3rd chopper 5 sidewall relative with the second chopper 4，Described second linkage block top 20 is set to inclined-plane，The bottom 21 of the first linkage block is set to inclined-plane，Described second chopper 4 is provided with switch knob 22，The quantity of described switch knob 22 is two，It is positioned at below the second linkage block 12.
In described switch cubicle, two pieces of dividing plates 1 by being vertically arranged are separated into three spaces 2, first chopper 3, second chopper 4,3rd chopper 5 is separately positioned in three spaces 2, the mounting bracket 10 of interlock 6 is fixed on dividing plate 1, it is respectively provided with a chopper in described three spaces 2 and fixes axle 7, described three choppers 3,4,5 are fixed on chopper and fix on axle 7, described chopper is fixed axle 7 and is provided with test position spacing ring 8 and working position spacing ring 9, and described test position spacing ring 8 is positioned at above working position spacing ring 9；
Chopper in switch cubicle the most of the present invention is when opening a sluice gate state, and three chopper tops contact, now with test position spacing ring, interlocking shaft is positioned at the lower section of three choppers, it is pressed together on breaker closing button, chopper is pinned so that it is can not close a floodgate；As shown in Figure 2, when needs carry out closing operation, first chopper and the 3rd chopper first prolong chopper fix axle and move down until touching working position spacing ring, second chopper prolongs chopper again fix axle and be moved downward to working position spacing ring, now interlocking shaft is positioned at the first linkage block and the top of the second linkage block being fixed on three choppers, no longer it is pressed together on breaker closing button, it can be carried out closing operation, simple in construction, easy to operate, reliable and stable, it is ensured that the security performance that switch cubicle uses；
Second linkage block top is disposed as inclined-plane with the bottom of the first linkage block, and arranges stage clip in interlocking axle sleeve, and when making chopper move, contacting between interlocking shaft and linkage block has effective buffering, adds service life.
Here description of the invention and application is illustrative, is not wishing to limit the scope of the invention in above-described embodiment, and therefore, the present invention is not limited by the present embodiment, and any technical scheme using equivalence replacement to obtain is all in the scope of protection of the invention.
Claims (4)
- null1. a switch cubicle chopper interlocking mechanism，It is characterized by，Including the first chopper，Second chopper，3rd chopper，Described second chopper is between the first chopper and the 3rd chopper，Between first chopper and the second chopper、It is equipped with interlock between second chopper and the 3rd chopper，Described interlock includes mounting bracket、First linkage block、Second linkage block、Interlocking axle sleeve、Interlocking shaft and stage clip，Interlocking axle sleeve is fixed in mounting bracket，It is provided with first passage and second channel in described interlocking axle sleeve，First passage is interconnected with second channel，The diameter d1 of first passage is less than the diameter d2 of second channel，Described interlocking shaft is through interlocking axle sleeve and first passage matched in clearance，Interlocking shaft is provided with spacing preiection，Described interlocking shaft puts and is provided with mounting hole，Described compression spring sleeve is combined on interlocking shaft，Spacing preiection is slidably disposed in mounting hole，Described stage clip is arranged in second channel by spacing preiection，Described stage clip is in compressive state，Described first linkage block and symmetrical being fixed on the first chopper or the 3rd chopper and the relative sidewall of the second chopper of the second linkage block.
- 2. a kind of switch cubicle chopper interlocking mechanism as claimed in claim 1, is characterized by, described second linkage block top is set to inclined-plane, and the bottom of the first linkage block is set to inclined-plane.
- 3. a kind of switch cubicle chopper interlocking mechanism as claimed in claim 1, is characterized by, described spacing preiection is cylindrical structural.
- 4. a kind of switch cubicle chopper interlocking mechanism as claimed in claim 1, is characterized by, described second chopper is provided with switch knob, and the quantity of described switch knob is two, is positioned at below the second linkage block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595358.3A CN104282464B (en) | 2014-10-30 | 2014-10-30 | Breaker interlocking mechanism for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595358.3A CN104282464B (en) | 2014-10-30 | 2014-10-30 | Breaker interlocking mechanism for switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104282464A CN104282464A (en) | 2015-01-14 |
| CN104282464B true CN104282464B (en) | 2017-01-11 |
Family
ID=52257263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410595358.3A Active CN104282464B (en) | 2014-10-30 | 2014-10-30 | Breaker interlocking mechanism for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104282464B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157282B (en) * | 2011-03-30 | 2013-04-17 | 广东阿尔派智能电网有限公司 | Interlock system of solid insulation vacuum ring main unit |
| CN202394749U (en) * | 2011-12-19 | 2012-08-22 | 山东泰山恒信开关集团有限公司 | Locking device for bus tie switch cabinet and isolation switch cabinet |
| CN102646526B (en) * | 2012-05-11 | 2015-07-08 | 芜湖明远电力设备制造有限公司 | Vacuum circuit breaker and grounding switch interlocking mechanism |
| CN102856098A (en) * | 2012-06-29 | 2013-01-02 | 遵义长征电器防爆设备有限责任公司 | Mechanical interlocking device for medium voltage switchgear |
| CN204117889U (en) * | 2014-10-30 | 2015-01-21 | 向荣集团有限公司 | A kind of switch cubicle circuit breaker interlocking device |
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2014
- 2014-10-30 CN CN201410595358.3A patent/CN104282464B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104282464A (en) | 2015-01-14 |
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Effective date of registration: 20230914 Address after: 528200 Factory Building No. 4, Zone B, No. 2 Gaotan Road, Development Zone, Xilian East Village, Danzao Town, Nanhai District, Foshan City, Guangdong Province (Residence Application) Patentee after: Foshan Xinjintai Machinery Co.,Ltd. Address before: 212212 No. 5, Lianzhong Road, Xinba science and Technology Park, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee before: XIANGRONG ELECTRIC GROUP Co.,Ltd. |