CN104282464A - Breaker interlocking mechanism for switch cabinet - Google Patents
Breaker interlocking mechanism for switch cabinet Download PDFInfo
- Publication number
- CN104282464A CN104282464A CN201410595358.3A CN201410595358A CN104282464A CN 104282464 A CN104282464 A CN 104282464A CN 201410595358 A CN201410595358 A CN 201410595358A CN 104282464 A CN104282464 A CN 104282464A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- 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.)
- Granted
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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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Trip Switchboards (AREA)
- Gas-Insulated Switchgears (AREA)
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 circuit breaker interlocking device, specifically a kind of electric power box cabinet equipment.
Background technology
Switch cubicle is a kind of electric equipment, and outside line is introduced into master switch in cabinet, and then enters sub-control switch, and each shunt needs to arrange by it, as instrument, motor magnetic switch, various A.C. contactors etc., what have also establishes hyperbaric chamber and low-pressure chamber switch cubicle, is provided with high voltage bus, as power plant etc.
Circuit breaker is main first accessory of high-tension switch cabinet, and being characterized in can frequent operation, and arc extinguishing is rapid, and connecting-disconnecting function is strong, and reliability is high.Higher performance is had for closing Capacitor banks, but it is when disjunction is as inductive loads such as transformer, motor, generator, reactors, performance is poorer than disjunction capacitive load, must be equipped with RC absorber or surge absorber or lightning arrester, can Suppressing Switching Overvoltage effectively.Vacuum circuit-breaker is widely used in the control and protection of the electric power systems such as power plant, electric substation, industrial and mining enterprises.
But, the switching requirements of High-Voltage Electrical Appliances is higher, need to be provided with circuit breaker interlocking device, connecting lever connecting plate is driven by circuit-breaker switching on-off, carry out beaing or retracting spring axis realizes interlocking with operation board, unlocking, because production technology is also not too very perfect, the Product Precision processed is not height very, uses more difficult, and in the process run also less stable, and damage than being easier to, poor safety performance, affects the useful life of product, and Practical Performance is not good, the needs of present high speed development can not be met, be unfavorable for promoting and using.
Summary of the invention
Technical problem to be solved by this invention provides a kind of switch cubicle circuit breaker interlocking device for above drawback, and structure is simple, easy to operate, reliable and stable, ensure that the security performance that switch cubicle uses.
For solving the problems of the technologies described above, technical scheme of the present invention is:
A kind of switch cubicle circuit breaker interlocking device, comprise the first circuit breaker, second circuit breaker, 3rd circuit breaker, described second circuit breaker is between the first circuit breaker and the 3rd circuit breaker, between first circuit breaker and the second circuit breaker, interlock is equipped with between second circuit breaker and the 3rd circuit breaker, described interlock comprises mounting bracket, first linkage block, second linkage block, interlocking axle sleeve, interlocking shaft and stage clip, interlocking axle sleeve is fixed on mounting bracket, first passage and second channel is provided with in described interlocking axle sleeve, first passage and second channel are interconnected, the diameter d 1 of first passage is less than the diameter d 2 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 arranged in mounting hole, described stage clip is arranged in second channel by spacing preiection, described stage clip is in compressive state, on what described first linkage block and the second linkage block were symmetrical be fixed on the first circuit breaker or the 3rd circuit breaker sidewall relative with the second circuit breaker, described second circuit breaker is provided with switch knob, the quantity of described switch knob is two, be positioned at below the second linkage block.
Above-mentioned a kind of switch cubicle circuit breaker interlocking device, 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 circuit breaker interlocking device, wherein, described spacing preiection is cylindrical structural.
The present invention is used in switch cubicle, two pieces of baffle for separatings by vertically arranging in switch cubicle become three spaces, first circuit breaker, second circuit breaker, 3rd circuit breaker is separately positioned in three spaces, the mounting bracket of interlock is fixed on dividing plate, a circuit breaker fixed axis is respectively provided with in three spaces, described first circuit breaker, second circuit breaker and the 3rd circuit breaker are fixed on circuit breaker fixed axis, described circuit breaker fixed axis 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 circuit breaker in switch cubicle is when opening a sluice gate state, three circuit breaker tops contact with test position spacing ring, and now, interlocking shaft is positioned at the below of three circuit breakers, is pressed together on breaker closing button, is pinned by circuit breaker, makes it not close a floodgate; When needs carry out closing operation, first the first circuit breaker and the 3rd circuit breaker being prolonged circuit breaker fixed axis moves down until touch working position spacing ring, again the second circuit breaker is prolonged circuit breaker fixed axis and be moved downward to working position spacing ring, now interlocking shaft is positioned at the top being fixed on the first linkage block on three circuit breakers and the second linkage block, no longer be pressed together on breaker closing button, closing operation can be carried out to it, structure is simple, easy to operate, reliable and stable, ensure that the security performance that switch cubicle uses;
The bottom of the second linkage block top and the first linkage block is all set to inclined-plane, and arranges stage clip in interlocking axle sleeve, and contact when circuit breaker is moved between interlocking shaft and linkage block has effective buffering, adds useful life.
Accompanying drawing explanation
Fig. 1 of the present inventionly opens 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.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of switch cubicle circuit breaker interlocking device as shown in the figure, comprise the first circuit breaker 3, second circuit breaker 4, 3rd circuit breaker 5, described second circuit breaker 4 is between the first circuit breaker 3 and the 3rd circuit breaker 5, between first circuit breaker 3 and the second circuit breaker 4, interlock 6 is equipped with between second circuit breaker 4 and the 3rd circuit breaker 5, described interlock 6 comprises 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 on mounting bracket 10, first passage 16 and second channel 17 is provided with in described interlocking axle sleeve 13, first passage 16 and second channel 17 are interconnected, the diameter d 1 of first passage 16 is less than the diameter d 2 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 arranged 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 and the second linkage block 12 were symmetrical be fixed on the first circuit breaker 3 or the 3rd circuit breaker 5 sidewall relative with the second circuit breaker 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 circuit breaker 4 is provided with switch knob 22, the quantity of described switch knob 22 is two, be positioned at below the second linkage block 12.
Two pieces of dividing plates 1 by vertically arranging in described switch cubicle are separated into three spaces 2, first circuit breaker 3, second circuit breaker 4,3rd circuit breaker 5 is separately positioned in three spaces 2, the mounting bracket 10 of interlock 6 is fixed on dividing plate 1, a circuit breaker fixed axis 7 is respectively provided with in described three spaces 2, described three circuit breakers 3,4,5 are fixed on circuit breaker fixed axis 7, described circuit breaker fixed axis 7 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;
Circuit breaker as shown in Figure 1 in switch cubicle of the present invention is when opening a sluice gate state, and three circuit breaker tops contact with test position spacing ring, now, interlocking shaft is positioned at the below of three circuit breakers, be pressed together on breaker closing button, circuit breaker pinned, makes it not close a floodgate; As shown in Figure 2, when needs carry out closing operation, first the first circuit breaker and the 3rd circuit breaker being prolonged circuit breaker fixed axis moves down until touch working position spacing ring, again the second circuit breaker is prolonged circuit breaker fixed axis and be moved downward to working position spacing ring, now interlocking shaft is positioned at the top being fixed on the first linkage block on three circuit breakers and the second linkage block, no longer be pressed together on breaker closing button, closing operation can be carried out to it, structure is simple, easy to operate, reliable and stable, ensure that the security performance that switch cubicle uses;
The bottom of the second linkage block top and the first linkage block is all set to inclined-plane, and arranges stage clip in interlocking axle sleeve, and contact when circuit breaker is moved between interlocking shaft and linkage block has effective buffering, adds useful life.
Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (4)
1. a switch cubicle circuit breaker interlocking device, it is characterized by, comprise the first circuit breaker, second circuit breaker, 3rd circuit breaker, described second circuit breaker is between the first circuit breaker and the 3rd circuit breaker, between first circuit breaker and the second circuit breaker, interlock is equipped with between second circuit breaker and the 3rd circuit breaker, described interlock comprises mounting bracket, first linkage block, second linkage block, interlocking axle sleeve, interlocking shaft and stage clip, interlocking axle sleeve is fixed on mounting bracket, first passage and second channel is provided with in described interlocking axle sleeve, first passage and second channel are interconnected, the diameter d 1 of first passage is less than the diameter d 2 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 arranged in mounting hole, described stage clip is arranged in second channel by spacing preiection, described stage clip is in compressive state, on what described first linkage block and the second linkage block were symmetrical be fixed on the first circuit breaker or the 3rd circuit breaker sidewall relative with the second circuit breaker.
2. a kind of switch cubicle circuit breaker interlocking device as claimed in claim 1, is characterized by, and 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 circuit breaker interlocking device as claimed in claim 1, it is characterized by, described spacing preiection is cylindrical structural.
4. a kind of switch cubicle circuit breaker interlocking device as claimed in claim 1, it is characterized by, described second circuit breaker 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 true CN104282464A (en) | 2015-01-14 |
| CN104282464B 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) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157282A (en) * | 2011-03-30 | 2011-08-17 | 东莞市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 |
| CN102646526A (en) * | 2012-05-11 | 2012-08-22 | 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 |
-
2014
- 2014-10-30 CN CN201410595358.3A patent/CN104282464B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157282A (en) * | 2011-03-30 | 2011-08-17 | 东莞市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 |
| CN102646526A (en) * | 2012-05-11 | 2012-08-22 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104282464B (en) | 2017-01-11 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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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. |