CN204167151U - A kind of switch cubicle isolating switch interlocking device - Google Patents
A kind of switch cubicle isolating switch interlocking device Download PDFInfo
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- CN204167151U CN204167151U CN201420482886.3U CN201420482886U CN204167151U CN 204167151 U CN204167151 U CN 204167151U CN 201420482886 U CN201420482886 U CN 201420482886U CN 204167151 U CN204167151 U CN 204167151U
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- operating axis
- transmission mechanism
- switch
- described front
- interlocking device
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- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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Abstract
The utility model discloses a kind of switch cubicle isolating switch interlocking device, comprise: Qianmen operating mechanism, backdoor practice mechanism, transmission mechanism and the circuit switching linked with described transmission mechanism, described Qianmen operating mechanism comprises the front operating axis stretching out described front door of switch cabinet, described front operating axis forms prismatic end, described prismatic end is fixed with axle sleeve, the center of described axle sleeve forms handle hole transmitting torque to rotate described front operating axis, described front operating axis drives the rear operating axis of described backdoor practice mechanism to rotate by described transmission mechanism, described rear operating axis forms lock tube, block or unlock the back door of described switch cubicle in the process of described lock tube with described rear operating axis rotation, described front operating axis and described rear operating axis are positioned at different level, and described front operating axis one end relative with described rear operating axis has the end be connected with described transmission mechanism respectively.
Description
Technical field
The utility model relates to a kind of switch cubicle isolating switch interlocking device, belongs to technical field of electric equipment.
Background technology
In electrical assemblies switchgear equipment, in order to the personal safety of the reliability service and operator that ensure metal enclosed switchgear, five anti-requirements should be met according to national regulation.So-called five prevent referring to: prevent on-load from dividing, close isolating switch (stab contact); Prevent point falsely close circuit breaker, on-load switch and contactor by mistake; The switches such as circuit breaker, on-load switch and contactor are closed when preventing earthed switch in the close position; Prevent from closing earthed switch in the energized state by mistake; Prevent mistakenly entering into charged every empty (also claiming charged interval), the easy mistakenly entering charged chamber of operation personnel when actual inspection and maintenance, personal injury may be caused, do not reach five anti-requirements of high voltage switchgear, during maintenance, the dismounting of mounting panel is inconvenient, if arrange back door on switch cubicle, just must ensure under fail-safe state, operating axis for controlling point circuit breaker and isolation switch can not rotate, under power transmission closes door state, and could rotating operation axle.
In existing complete set of equipments, double bus isolation usually drives a three-link mechanism by the operating axis rotating Qianmen from switch interlocking mechanism thus drives the driven shaft unlatching at back door or the back door of closing switch cabinet, and realize separating brake and combined floodgate by the motion of described three-link mechanism, rotate that two front door operations are wherein arbitrary can both be unlocked back door.Therefore existing double bus isolation has following defect from switch interlocking mechanism: first-selected, use three-link mechanism as transmission mechanism, take up room large, enclosure interior is limited, therefore this double bus isolation is bad from switch interlocking mechanism applicability, three-link mechanism gets rusty easily or weares and teares in Long-Time Service simultaneously, and transmission all can be caused unreliable.
Summary of the invention
To be solved by this invention is that taking up room of the switch cubicle isolating switch interlocking device of prior art is large, mechanism's applicability is bad, useful life is short and the insecure technical problem of transmission, thus provide a kind of take up room little, mechanism's applicability strong, long service life and a kind of switch cubicle isolating switch interlocking of reliable transmission.
To achieve these goals, the invention provides a kind of switch cubicle isolating switch interlocking device, it is characterized in that, comprise: Qianmen operating mechanism, backdoor practice mechanism, transmission mechanism and the circuit switching linked with described transmission mechanism, described Qianmen operating mechanism comprises the front operating axis stretching out described front door of switch cabinet, described front operating axis forms prismatic end, described prismatic end is fixed with axle sleeve, the center of described axle sleeve forms handle hole transmitting torque to rotate described front operating axis, described front operating axis drives the rear operating axis of described backdoor practice mechanism to rotate by described transmission mechanism, described rear operating axis forms lock tube, block or unlock the back door of described switch cubicle in the process of described lock tube with described rear operating axis rotation, described front operating axis and described rear operating axis are positioned at different level, and described front operating axis one end relative with described rear operating axis has the end be connected with described transmission mechanism respectively.
Described transmission mechanism comprises the belt connecting described front operating axis and described rear operating axis, and the end that described front operating axis is relative with described rear operating axis is fixedly installed or forms drive pulley and driven pulley respectively.
Described transmission mechanism comprises the travelling gear connecting described front operating axis and described rear operating axis, and the end that described front operating axis is relative with described rear operating axis is fixedly installed or forms the driving gear end and driven gear end of engaging with described travelling gear respectively.
Described transmission mechanism comprises the chain connecting described front operating axis and described rear operating axis, and the end that described front operating axis is relative with described rear operating axis is fixedly installed or forms the driving gear end and driven gear end of engaging with described chain respectively.
Described drive pulley has equal circumference with described driven pulley.
Described driving gear end has the equal number of teeth with described driven gear end.
Described prismatic end is cross section is orthohexagonal six prismatic ends.
The utility model has the following advantages:
A kind of switch cubicle isolating switch interlocking device of the present utility model, because front operating axis and rear operating axis are not arranged in same level, therefore, it is possible to by front operating axis and rear operating axis arrange geared end respectively, transmission is carried out by the mode engaged respectively at transmission mechanism, front operating axis and rear operating axis arrange pulley end respectively, the mode transmission of two belt pulleys is connected by belt, above set-up mode is compared to the kind of drive adopting three linkages in prior art, have take up room little, reliable transmission, long service life and the strong advantage of applicability.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below in conjunction with accompanying drawing, the utility model is described in further detail, wherein,
Fig. 1 is the structural representation of a kind of switch cubicle isolating switch interlocking device in embodiment.
In figure: operating mechanism before 1-; Operating mechanism after 2-; 3-transmission mechanism; Operating axis before 11-; 12-axle sleeve; Operating axis after 21-; 22-lock tube; 121-handle hole.
Embodiment
Below with reference to accompanying drawing, a kind of switch cubicle isolating switch interlocking device of the present utility model is described in detail.
See Fig. 1, the present embodiment provides a kind of switch cubicle isolating switch interlocking device, comprise: Qianmen operating mechanism 1, backdoor practice mechanism 2, transmission mechanism 3 and the bus bar circuit switch linked with described transmission mechanism, described Qianmen operating mechanism 1 comprises the front operating axis 11 stretching out described front door of switch cabinet, described front operating axis 11 forms prismatic end, described prismatic end is fixed with axle sleeve 12, the center of described axle sleeve 12 forms handle hole 121 transmitting torque to rotate described front operating axis 11, described front operating axis 11 drives the rear operating axis 21 of described backdoor practice mechanism 2 to rotate by described transmission mechanism 3, described rear operating axis 21 forms lock tube 22, block or unlock the back door of described switch cubicle in the process of described lock tube 22 with described rear operating axis 21 rotation, described front operating axis 11 is positioned at different level with described rear operating axis 21, and described front operating axis 11 one end relative with described rear operating axis 21 has the end be connected with described transmission mechanism 3 respectively.Described front operating axis 11 is positioned at different horizontal planes from described rear operating axis 21, described horizontal plane refers to have different height in the short transverse of switch cubicle, namely stagger the like this front operating axis 11 that arranges and rear operating axis 21 realize interlock by the multiple kind of drive, compared with the kind of drive of existing three linkages, front operating axis 11 and rear operating axis 21 only need the very little distance that staggers, and therefore such set-up mode has the little advantage that takes up room.
Three kinds of set-up modes of transmission mechanism 3 in the present embodiment, front operating axis 11 and rear operating axis 21 are described in detail below in conjunction with Fig. 1.
In the present embodiment, described transmission mechanism 3 comprises the belt connecting described front operating axis 11 and described rear operating axis 21, the end that described front operating axis 11 is relative with described rear operating axis 21 is fixedly installed or forms drive pulley and driven pulley respectively, described drive pulley can drive belt to rotate before rotation during operating axis 11, thus enable belt drive described rear operating axis 21 to rotate, and the loop separating brake that belt realizes in the process of rotating and bus is formed, described rear operating axis 21 is in rotation process, unlock with the back door of lock tube 22 pairs of switch cubicles of its interlock, thus switch cubicle is opened.
In the present embodiment, described transmission mechanism 3 comprises the travelling gear connecting described front operating axis 11 and described rear operating axis 21, the end that described front operating axis is relative with described rear operating axis is fixedly installed or forms the driving gear end and driven gear end of engaging with described travelling gear respectively, described driving gear end drives described travelling gear to rotate before rotation during operating axis 11, thus the driven gear end enabling travelling gear drive to engage with it is rotated, and the loop separating brake that travelling gear realizes in the process of rotating and bus is formed, described rear operating axis 21 is in rotation process, unlock with the back door of lock tube 22 pairs of switch cubicles of its interlock, thus switch cubicle is opened.
In the present embodiment, described transmission mechanism 3 comprises the chain connecting described front operating axis 11 and described rear operating axis 21, the end that described front operating axis 11 is relative with described rear operating axis 21 is fixedly installed or forms the driving gear end and driven gear end of engaging with described chain respectively, described driving gear end drives described travelling gear to move before rotation during operating axis 11, thus the driven gear end enabling tooth bar drive to engage with it is rotated, and the loop separating brake that travelling gear realizes in the process of rotating and bus is formed, described rear operating axis 21 is in rotation process, unlock with the back door of lock tube 22 pairs of switch cubicles of its interlock, thus switch cubicle is opened.
The set-up mode of lock tube 22 is described in detail below in conjunction with Fig. 1:
Lock tube 22 be shaping or arrange in the rear operating axis 21 towards on rear door of switch cabinet one end, lock tube 22 part from the hole described rear door of switch cabinet is stretched out, lock tube 22 end forms the frame that hook tongue is used for hook lock rear door of switch cabinet, thus when rear operating axis 21 rotates, can realize blocking or unlocking described rear door of switch cabinet.
In the present embodiment, described drive pulley has equal circumference with described driven pulley, such drive pulley and driven pulley then have identical gearratio, it should be noted that, described drive pulley and described driven pulley also can be have different circumferences, to realize being applicable to different design requirements.
In the present embodiment, described driving gear end has the equal number of teeth with described driven gear end, described like this driving gear end has equal gearratio with described driven gear end, it should be noted that, described driving gear end can make to have the different numbers of teeth from described driven gear end, to realize being applicable to different design requirements.
In the present embodiment, preferred described prismatic end is cross section is orthohexagonal six prismatic ends.
Obviously, above-described embodiment is only for clearly example being described, the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (7)
1. a switch cubicle isolating switch interlocking device, it is characterized in that, comprise: Qianmen operating mechanism (1), backdoor practice mechanism (2), transmission mechanism (3) and the bus bar circuit switch linked with described transmission mechanism, described Qianmen operating mechanism (1) comprises the front operating axis (11) stretching out described front door of switch cabinet, described front operating axis (11) forms prismatic end, described prismatic end is fixed with axle sleeve (12), the center of described axle sleeve (12) forms handle hole (121) transmitting torque to rotate described front operating axis (11), described front operating axis (11) drives the rear operating axis (21) of described backdoor practice mechanism (2) to rotate by described transmission mechanism (3), described rear operating axis (21) forms lock tube (22), block or unlock the back door of described switch cubicle in the process that described lock tube (22) rotates with described rear operating axis (21), described front operating axis (11) and described rear operating axis (21) are positioned at different level, and described front operating axis (11) one end relative with described rear operating axis (21) has the end be connected with described transmission mechanism (3) respectively.
2. a kind of switch cubicle isolating switch interlocking device according to claim 1, it is characterized in that, described transmission mechanism (3) comprises the belt connecting described front operating axis (11) and described rear operating axis (21), and the end that described front operating axis is relative with described rear operating axis is fixedly installed or forms drive pulley and driven pulley respectively.
3. a kind of switch cubicle isolating switch interlocking device according to claim 1, it is characterized in that, described transmission mechanism (3) comprises the travelling gear connecting described front operating axis (11) and described rear operating axis (21), and the end that described front operating axis is relative with described rear operating axis is fixedly installed or forms the driving gear end and driven gear end of engaging with described travelling gear respectively.
4. a kind of switch cubicle isolating switch interlocking device according to claim 1, it is characterized in that, described transmission mechanism (3) comprises the chain connecting described front operating axis (11) and described rear operating axis (21), and described front operating axis (11) end relative with described rear operating axis (21) is fixedly installed or forms the driving gear end and driven gear end of engaging with described chain respectively.
5. a kind of switch cubicle isolating switch interlocking device according to claim 2, it is characterized in that, described drive pulley has equal circumference with described driven pulley.
6. a kind of switch cubicle isolating switch interlocking device according to claim 3 or 4, it is characterized in that, described driving gear end has the equal number of teeth with described driven gear end.
7. a kind of switch cubicle isolating switch interlocking device according to claim 1, is characterized in that, described prismatic end is cross section is orthohexagonal six prismatic ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482886.3U CN204167151U (en) | 2014-08-26 | 2014-08-26 | A kind of switch cubicle isolating switch interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420482886.3U CN204167151U (en) | 2014-08-26 | 2014-08-26 | A kind of switch cubicle isolating switch interlocking device |
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| Publication Number | Publication Date |
|---|---|
| CN204167151U true CN204167151U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420482886.3U Expired - Fee Related CN204167151U (en) | 2014-08-26 | 2014-08-26 | A kind of switch cubicle isolating switch interlocking device |
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| CN (1) | CN204167151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807039A (en) * | 2018-07-25 | 2018-11-13 | 中国船舶重工集团公司第七0四研究所 | Medium Voltage Switchgear cable vault cabinet door interlock |
-
2014
- 2014-08-26 CN CN201420482886.3U patent/CN204167151U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108807039A (en) * | 2018-07-25 | 2018-11-13 | 中国船舶重工集团公司第七0四研究所 | Medium Voltage Switchgear cable vault cabinet door interlock |
| CN108807039B (en) * | 2018-07-25 | 2019-08-30 | 中国船舶重工集团公司第七0四研究所 | Medium Voltage Switchgear cable vault cabinet door interlock |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20150826 |
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| EXPY | Termination of patent right or utility model |