CN104409252A - Interlocking device for interlocking mechanism of switch cabinet circuit breaker - Google Patents
Interlocking device for interlocking mechanism of switch cabinet circuit breaker Download PDFInfo
- Publication number
- CN104409252A CN104409252A CN201410595359.8A CN201410595359A CN104409252A CN 104409252 A CN104409252 A CN 104409252A CN 201410595359 A CN201410595359 A CN 201410595359A CN 104409252 A CN104409252 A CN 104409252A
- Authority
- CN
- China
- Prior art keywords
- interlocking
- circuit breaker
- switch cabinet
- breaker
- linkage 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.)
- Pending
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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)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an interlocking device for an interlocking mechanism of a switch cabinet circuit breaker. The interlocking device is composed of a mounting bracket, a first interlocking sliding block, a second interlocking sliding block, interlocking shaft sleeves, interlocking shafts and compressing springs. The interlocking shaft sleeves are fixed at the mounting bracket; and first channels and second channels are arranged in the interlocking shaft sleeves, wherein the channels are communicated with each other and the diameter d1 of each first channel is less than the diameter d2 of each second channel. The interlocking shafts pass through the interlocking shaft sleeves and are in a clearance fit relation with the first channels. Limiting protrusions are arranged at the interlocking shafts; kidney-shaped holes are formed in the interlocking shaft sleeves; and the interlocking shafts are sleeved with the compressing springs. The limiting protrusions are arranged in the kidney-shaped holes in a slidable mode; the compressed springs in compressing states are arranged in the second channels by the limiting protrusions. The structure is simple; the operation is convenient; the stability and reliability are high; and the safety of the switch cabinet usage can be guaranteed.
Description
Technical field
The present invention relates to a kind of interlock for breaker of switch cabinet interlocking device, belong to electric power box cabinet equipment field.
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 interlock for breaker of switch cabinet 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 interlock for breaker of switch cabinet interlocking device, 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.
Above-mentioned a kind of interlock for breaker of switch cabinet 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 interlock for breaker of switch cabinet 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, described second circuit breaker is between the first circuit breaker and the 3rd circuit breaker, interlocking device is arranged between the first circuit breaker and the second circuit breaker, between second circuit breaker and the 3rd circuit breaker, 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, described test position spacing ring is positioned at above working position spacing ring, 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, is positioned at below the second linkage block
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 structure chart of the present invention.
Fig. 5 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 interlock for breaker of switch cabinet interlocking device as shown in the figure, 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.
The present invention is used in switch cubicle 23, three spaces 2 are separated into by the two pieces of dividing plates 1 vertically arranged in described switch cubicle 23, first circuit breaker 3, second circuit breaker 4, 3rd circuit breaker 5 is separately positioned in three spaces 2, described interlock 6 is arranged on the second circuit breaker 4 between the first circuit breaker 3 and the 3rd circuit breaker 5, between first circuit breaker 3 and the second circuit breaker 4, between second circuit breaker 4 and the 3rd circuit breaker 5, 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, described test position spacing ring 8 is positioned at above working position spacing ring 9, 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, is positioned at below the second linkage block 12,
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. the interlock for breaker of switch cabinet interlocking device, it is characterized by, 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, 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.
2. a kind of interlock for breaker of switch cabinet interlocking device as claimed in claim 1, it 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 interlock for breaker of switch cabinet interlocking device as claimed in claim 1, it is characterized by, described spacing preiection is cylindrical structural.
4. a kind of interlock for breaker of switch cabinet interlocking device as claimed in claim 1, it is characterized by, the diameter d 1 of first passage is less than the diameter d 2 of second channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595359.8A CN104409252A (en) | 2014-10-30 | 2014-10-30 | Interlocking device for interlocking mechanism of switch cabinet circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410595359.8A CN104409252A (en) | 2014-10-30 | 2014-10-30 | Interlocking device for interlocking mechanism of switch cabinet circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104409252A true CN104409252A (en) | 2015-03-11 |
Family
ID=52646872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410595359.8A Pending CN104409252A (en) | 2014-10-30 | 2014-10-30 | Interlocking device for interlocking mechanism of switch cabinet circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104409252A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244207A (en) * | 2015-10-19 | 2016-01-13 | 浙江临高电气实业有限公司 | Switchgear interlocking structure and the interlocked switchgear cabinet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2632643A1 (en) * | 1975-07-21 | 1977-01-27 | Hazemeijer Bv | SWITCH-ON DEVICE FOR AN ELECTRIC SWITCH |
| CN202167370U (en) * | 2011-06-24 | 2012-03-14 | 常熟开关制造有限公司(原常熟开关厂） | Mechanical interlocking device for molded case circuit breakers |
| 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 |
| 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 |
-
2014
- 2014-10-30 CN CN201410595359.8A patent/CN104409252A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2632643A1 (en) * | 1975-07-21 | 1977-01-27 | Hazemeijer Bv | SWITCH-ON DEVICE FOR AN ELECTRIC SWITCH |
| CN202167370U (en) * | 2011-06-24 | 2012-03-14 | 常熟开关制造有限公司(原常熟开关厂） | Mechanical interlocking device for molded case circuit breakers |
| 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 |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244207A (en) * | 2015-10-19 | 2016-01-13 | 浙江临高电气实业有限公司 | Switchgear interlocking structure and the interlocked switchgear cabinet |
| CN105244207B (en) * | 2015-10-19 | 2019-01-08 | 浙江临高电气实业有限公司 | A kind of switchgear interlock and the interlocked switchgear cabinet with it |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |