CN200990300Y - High-voltage switch cubicle mechanical linking flexible driving device - Google Patents
High-voltage switch cubicle mechanical linking flexible driving device Download PDFInfo
- Publication number
- CN200990300Y CN200990300Y CN 200620105475 CN200620105475U CN200990300Y CN 200990300 Y CN200990300 Y CN 200990300Y CN 200620105475 CN200620105475 CN 200620105475 CN 200620105475 U CN200620105475 U CN 200620105475U CN 200990300 Y CN200990300 Y CN 200990300Y
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- interlocking
- steel wire
- voltage switch
- mechanical interlocking
- driving device
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Abstract
The utility model relates to a high tension switch gear mechanical interlocking wrapping connector driving device, which is arranged between the interlocking port of priority equipment and the interlocking port of post priority equipment; the driving device of the utility model is a lashing wire, which is a wire cable with a steel coat ; one end of the wire cable is connected with the interlocking port of the priority equipment, and the other end of the wire cable is connected with the interlocking port of the post priority equipment; the two ends of the wire cable are exposed; a fixed block connecting with the switch gear interlocking component is respectively arranged on the two ends of the steel coat. The high tension switch gear mechanical interlocking wrapping connector driving device of the utility model has the advantages of simple structure, good applicability, high reliability and low production cost.
Description
(1) technical field
The utility model relates to a kind of high-voltage switch cabinet mechanical interlock, especially a kind of mechanical interlocking flexible gearing.
(2) background technology
In order to guarantee the proper operation of high voltage switchgear, prevent and stop the generation of misoperation incident, the handcart of high voltage switchgear, isolating switch, circuit breaker, earthed switch, cabinet door and and Other related equipment between interlocking be absolutely necessary, especially reliable in the mechanical interlocking mode.According to the requirement of GB3906 " 3～35kV ac metal closing switch gear " and DL/T404 " indoor ac high-voltage switch cubicle order technical conditions ", high voltage switchgear should have: prevent the on-load branch, close isolating switch (stab contact); Prevent that mistake from dividing, mistake is closed circuit breaker; Prevent to close when earthed switch is in make position and close circuit breaker; Prevent at charged mistiming splice grafting ground switch; Prevent functions such as mistakenly entering into charged compartment.
The position that high-tension switch cabinet need be interlocked is a lot, will rely on the transmission of connecting rod and connecting plate mechanism to realize the reliability height when adopting mechanical interlocking.The position that fixed high-voltage switch cubicle need be interlocked is many, often need repeatedly to change direction in the mechanical interlocking transmission, multistage transmission has increased the manufacture difficulty of interlocking device's device, has also increased operational torque, this mechanical interlock mechanism complex structure, so probability of failure is also higher.High-tension switch cabinet primary connection scheme is a lot, and especially fixed high-voltage switch cubicle relies on direct drive mechanical interlocking mode difficulty very big, and therefore, a lot of high-tension switch cabinets all adopt indirect procedure lock interlock method.
(3) summary of the invention
In order to overcome existing high-voltage switch cabinet mechanical interlock complexity, poor for applicability, probability of failure is high and cost is high deficiency, the utility model provides a kind of simple in structure, applicability good, reliability is high, with low cost high-voltage switch cabinet mechanical interlocking flexible gearing.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of high-voltage switch cabinet mechanical interlocking flexible gearing, this transmission device is at the interlocking interface of priority device formerly and between the interlocking interface of back priority device, described transmission device is the lacing wire line, described lacing wire line is the steel wire rope that the steel wire overcoat is arranged, one end of described steel wire rope connects the interlocking interface of priority device formerly, and the other end of steel wire rope is connected the interlocking interface of back priority device; Expose at the two ends of described steel wire rope, and the two ends of described steel wire overcoat are respectively equipped with the fixture that is connected with switch cubicle interlocking position.
Further, described steel wire overcoat comprises inner plastic layer, steel wire floor, outer plastic layer.
Further again, the adjusting nut is arranged on the described fixture.
Operation principle of the present utility model is: the lacing wire line is a kind of steel wire rope that the steel wire overcoat is arranged, and the ectonexine of steel wire overcoat all has plastic sheath, therefore is also referred to as three-piece, and is not only pliable and tough but also flexible, can adapt to the installation of any interlocking passage, transmits mechanical interlocking moment.Steel wire rope is twitched in overcoat, also can regulate head in a certain position installing of lacing wire line as required, regulates steel wire length or spacing usefulness.
Flexible lacing wire line is connected with the position that switching device need be interlocked, and transmits mechanical interlocking moment.This transmission device is compared with traditional mechanical interlocking transmission device, simple in structure, driving channel is not subjected to the restriction of locking part locus and installation site, applicability is strong, reliability is high, occasion far between the interlocking elements, location difficulty that this device is particularly useful for, can significantly reduce the quantity of locking part, with low cost.Because it is strong to pass through the ability in space during the installation of lacing wire line, therefore flexible gearing also is applicable to and the mechanical interlocking of adjacent cabinet: for example adjacent bus section breaker cabinet and the mechanical interlocking of isolating between the cabinet, in addition certain section bus equipment (bus bar side) cabinet and the electric power incoming line cabinet of being separated by or and three switch cubicles of bilateral electric power incoming line cabinet between mechanical interlocking etc.
Mechanical interlocking is the interlocking of interlock device position between point-to-point, after previous operation sequence is finished, can be automatically to next operation sequence release, and this program that is unlocked also is unique program that should proper operation, so reliability requirement is high.The utility model patent to solve above-mentioned point-to-point between the interlocking transmission, satisfy the needs of any position of high-tension switch cabinet interlocking, realize this cabinet and adjacent cabinet even and other switch cubicle between interlocking, just allow the driving channel of mechanical interlocking not be subjected to the influence of locus, as long as exist together an indoor requirement that just can realize mechanical interlocking of high voltage power distribution.
Between a series of Mechanically programm, except that next program of operation release of present procedure, next procedure operation is also wanted the last program of locking after realizing.In view of such requirement, the interlocking passage between point-to-point should be two-way, and just usually said " wants to realize the forward interlocking, also can realize reverse interlocking.”
The mechanical interlocking flexible gearing is not subjected to the restriction at locking part space length and position, at the position of needs interlocking configuration interlocking interface, install the device of locking a door such as cabinet door place, the operating mechanism place of isolating switch and earthed switch is equipped with the disconnecting link dead lock, circuit breaker is provided with deciliter positional interface and closing operation locking interface etc., at the position that is unsuitable for using simple link member transmission, as the interlocking transmission device each interlocking position is coupled together with " flexible gearing ".Form complete mechanical interlocking system.
The beneficial effects of the utility model mainly show: 1, simple in structure, applicability good, reliability is high; 2, be particularly useful for occasion far between the interlocking elements, location difficulty, can significantly reduce the quantity of locking part; 3, with low cost.
(4) description of drawings
Fig. 1 is the structural representation of high-voltage switch cabinet mechanical interlocking flexible gearing.
Fig. 2 is the sectional view of lacing wire line.
(5) embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to accompanying drawing, a kind of high-voltage switch cabinet mechanical interlocking flexible gearing, this transmission device is at the interlocking interface of priority device formerly and between the interlocking interface of back priority device, described transmission device is a lacing wire line 1, described lacing wire line 1 is for there being the steel wire rope 2 of steel wire overcoat, one end of described steel wire rope 2 connects the interlocking interface 3 of priority device formerly, and the other end of steel wire rope 2 is connected the interlocking interface 3 of back priority device; Expose at the two ends of described steel wire rope 2, and the two ends of described steel wire overcoat are respectively equipped with the fixture 4 that is connected with switch cubicle interlocking position.
Described steel wire overcoat comprises inner plastic layer 5, steel wire floor 6, outer plastic layer 7.On the described fixture 4 the adjusting nut is arranged.
The lacing wire line is a kind of steel wire rope that the steel wire overcoat is arranged, and the ectonexine of steel wire overcoat all has plastic sheath, therefore is also referred to as three-piece, and is not only pliable and tough but also flexible, can adapt to the installation of any interlocking passage, transmits mechanical interlocking moment.Steel wire rope is twitched in overcoat, also can regulate head in a certain position installing of lacing wire line as required, regulates steel wire length or spacing usefulness.The equipped nut of regulating of two ends of lacing wire line, not only fixed jacket termination but also can regulate overcoat length.Interior core wire adopts diameter 1.5mm, 7 * 7 steel wire ropes, and the wire rupture pulling force reaches 1640N.
Mechanical interlocking flexible gearing shown in the drawings is interlocked XGN (3GA)-40.5 high-tension switch cabinet disc hand-power operating mechanism and circuit breaker.Lacing wire line 1 is connected with circuit-breaker switching on-off positional interface 8, breaker switching-on operation locking interface 9.
XGN (3GA)-40.5 fixed high-voltage switch cubicle, rated voltage 40.5kV, (W * D * H) is 1980 * 3250 * 3800mm to overall dimension.This type switch cubicle adopts mechanical interlocking always, and in order to satisfy the interlocking between isolating switch, circuit breaker and the cabinet door and the needs of reverse interlocking, mechanical interlocking transmission device originally is very complicated, nearly more than 50 of transmission device parts.Especially circuit breaker is positioned at the middle part of switch cubicle cup, and the structure of different model circuit breaker and size are inequality again, and the configuration of interlocking transmission device is difficulty more, installs still to debug and all will expend a lot of energy and times, and repair rate is very high in the use.
The mechanical interlocking flexible gearing is that the position that need interlock with switching device is connected with the lacing wire line of configure dedicated interface, transmits mechanical interlocking moment.This transmission device is compared with traditional mechanical interlocking transmission device, simple in structure, driving channel is not subjected to the restriction of locking part locus and installation site, applicability is strong, reliability is high, occasion far between the interlocking elements, location difficulty that this device is particularly useful for, can significantly reduce the quantity of locking part, with low cost.Because it is strong to pass through the ability in space during the installation of lacing wire line, therefore flexible gearing also is applicable to and the mechanical interlocking of adjacent cabinet: for example adjacent bus section breaker cabinet and the mechanical interlocking of isolating between the cabinet, in addition certain section bus equipment (bus bar side) cabinet and the electric power incoming line cabinet of being separated by or and three switch cubicles of bilateral electric power incoming line cabinet between mechanical interlocking etc.
With reference to accompanying drawing, the XGN-40.5 fixed high-voltage switch cubicle, adapted disc hand-power operating mechanism, requirement according to the mechanical interlocking program, need carry out following interlock: a. when circuit breaker during with circuit breaker at closing position, the interlocking lever plate that stops disc hand-power operating mechanism stops isolator operation to " disjunction locking " position, prevents the on-load branch, closes isolating switch; B. behind the breaker open operation, to the operation interlocking automatic unlocking of isolating switch; C. in the block that allows isolator operation, the closing operation of locking circuit breaker, allow the closing by hand of circuit breaker operate or the electric switch-on operation failure, prevent to close circuit breaker by mistake.Illustrate two groups of mechanical interlocking flexible gearings and can satisfy the whole requirements of above-mentioned interlocking.
Claims (3)
1, a kind of high-voltage switch cabinet mechanical interlocking flexible gearing, this transmission device is characterized in that between the interlocking interface of priority device formerly and interlocking interface at back priority device:
Described transmission device is the lacing wire line, and described lacing wire line is the steel wire rope that the steel wire overcoat is arranged, and an end of described steel wire rope connects the interlocking interface of priority device formerly, and the other end of steel wire rope is connected the interlocking interface of back priority device; Expose at the two ends of described steel wire rope, and the two ends of described steel wire overcoat are respectively equipped with the fixture that is connected with switch cubicle interlocking position.
2, high-voltage switch cabinet mechanical interlocking flexible gearing as claimed in claim 1, it is characterized in that: described steel wire overcoat comprises inner plastic layer, steel wire floor, outer plastic layer.
3, high-voltage switch cabinet mechanical interlocking flexible gearing as claimed in claim 1 or 2 is characterized in that: the adjusting nut is arranged on the described fixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105475 CN200990300Y (en) | 2006-07-07 | 2006-07-07 | High-voltage switch cubicle mechanical linking flexible driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620105475 CN200990300Y (en) | 2006-07-07 | 2006-07-07 | High-voltage switch cubicle mechanical linking flexible driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200990300Y true CN200990300Y (en) | 2007-12-12 |
Family
ID=38941332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620105475 Expired - Fee Related CN200990300Y (en) | 2006-07-07 | 2006-07-07 | High-voltage switch cubicle mechanical linking flexible driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200990300Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347290A (en) * | 2014-09-28 | 2015-02-11 | 国网安徽省电力公司阜阳供电公司 | Locking device of cable branch box, ring main unit incoming line switch and on-column disconnecting switch |
| CN108346532A (en) * | 2018-04-28 | 2018-07-31 | 无锡市新代电力电器有限公司 | Switchgear flexible interlock system |
-
2006
- 2006-07-07 CN CN 200620105475 patent/CN200990300Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104347290A (en) * | 2014-09-28 | 2015-02-11 | 国网安徽省电力公司阜阳供电公司 | Locking device of cable branch box, ring main unit incoming line switch and on-column disconnecting switch |
| CN108346532A (en) * | 2018-04-28 | 2018-07-31 | 无锡市新代电力电器有限公司 | Switchgear flexible interlock system |
| CN108346532B (en) * | 2018-04-28 | 2023-09-19 | 无锡市新一代电力电器有限公司 | Flexible interlocking system of switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Cooper Nature (Ningbo) Electric Co., Ltd. Assignor: Nacher Science & Technology Stock Co., Ltd. Contract record no.: 2011330001010 Denomination of utility model: High-voltage switch cubicle mechanical linking flexible driving device Granted publication date: 20071212 License type: Exclusive License Record date: 20110722 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20130707 |