CN205582852U

CN205582852U - Operation annex of circuit breaker

Info

Publication number: CN205582852U
Application number: CN201620395212.9U
Authority: CN
Inventors: 李俊鹏; 蔡建伟
Original assignee: Zhejiang Geya Electric Co Ltd
Current assignee: Zhejiang Geya Electric Co Ltd
Priority date: 2016-05-04
Filing date: 2016-05-04
Publication date: 2016-09-14
Anticipated expiration: 2026-05-04

Abstract

The utility model discloses an operation annex of circuit breaker, its technical scheme main points are including the casing, the circuit board, the driving source, transmission group and operating handle, the driving source rotates through the transmission transmission operating handle of group and realizes the divide -shut brake, be equipped with the lock piece rather than sliding connection on the casing, be equipped with the micro -gap switch who is used for line disconnection board power in the casing, be equipped with the shifting block that touches micro -gap switch and open on the lock piece, lock piece one end during from the casing roll -off shifting block stir micro -gap switch and this tip is equipped with the lockhole that is used for the padlock to pass, the lockhole of slip lock piece to its one end exposes, this moment is at lock piece slip in -process, the shifting block and then removes and stirs the power that micro -gap switch comes the line disconnection board, avoid taking place in the condition of overhauing the unexpected work of opening of in -process circuit board appearance, can lock the padlock in addition in the lockhole, can restrict the removal of lock piece on the one hand, on the other hand is also can the padlock showy is located the outside and can plays the suggestion effect, and safety is increased.

Description

A kind of operation adnexa of chopper

Technical field

This utility model relates to field of circuit breakers, particularly to the operation adnexa of a kind of chopper.

Background technology

Along with the progressively popularization of intelligent grid, distribution intellectualized technology has become as a popular domain.The intellectuality of electric switch is a development trend, in prior art, the remotely operation adnexa of chopper typically uses AC machine, the operating mechanism such as electric magnet or hydraulic motor drives chopper to realize switch closing and switch opening, because it has electric switch-on function, therefore need to prevent operating mechanism from chopper is carried out closing operation when maintenance, prior art typically uses and carries out anti-combined floodgate in inside by the way of mechanical locking mechanism, but owing to mechanical locking is in inside, operator cannot promptly and accurately learn, can take for there is little clamping stagnation and enforcing operation handle, there is the possibility closed a floodgate after violence combined floodgate damages circuit breaker operation mechanism, safety and reliability are inadequate.

Utility model content

The purpose of this utility model is to provide the operation adnexa of the chopper of a kind of more safety and reliability.

Above-mentioned technical purpose of the present utility model has the technical scheme that

A kind of operation adnexa of chopper, including housing, wiring board, driving source, transmission group and operation handle, described driving source is rotated by transmission group transmission operation handle and realizes divide-shut brake, described housing is provided with the locking piece being slidably connected with it, the microswitch for line disconnection plate power supply it is provided with in described housing, described locking piece is provided with and touches the shifting block that microswitch is opened, and described locking piece one end shifting block when housing skids off stirs microswitch and this end is provided with the lockhole passed for padlock.

By so arranging, after operation handle being pushed into gate-dividing state when maintenance, slider latch exposes to the lockhole of its one end, now in locking piece sliding process, shifting block and then movement is stirred microswitch and is carried out the power supply of line disconnection plate, the unexpected situation opening work occurs to avoid wiring board in maintenance process to occur, additionally can lock padlock in lockhole, on the one hand the movement of locking piece can be limited, on the other hand obvious externally-located of padlock, suggesting effect can be played, avoid violence to close a floodgate and damage the situation of circuit breaker operation mechanism, it is thus possible to play double protection, more safety and reliability.

This utility model is arranged further: be rotatably connected to the STATEMENT OF FEDERALLY SPONSORED for linked circuit breaker tripping in described housing, the STATEMENT OF FEDERALLY SPONSORED that links during described transmission group transmission operation handle separating brake rotates, described STATEMENT OF FEDERALLY SPONSORED is provided with fork, and described locking piece is provided with for catching on fork and limiting its hook part rotated away from one end of lockhole.

By the setting of hook part, by when sliding outside locking piece, fork can be caught on to limit the rotation of STATEMENT OF FEDERALLY SPONSORED in its hook part, thus withstand and the chopper tripping of STATEMENT OF FEDERALLY SPONSORED linkage the most simultaneously, it cannot be rotated, and circuit breaker handle now cannot closing by hand, it is achieved locking effect further, the situation that when avoiding overhauling, circuit breaker handle surprisingly closes a floodgate, increases safety further.

This utility model is arranged further: described locking piece is provided with the placing trough for placing shifting block, and described shifting block is slidably connected in placing trough, and described shifting block is provided with the groove that the switch with microswitch coordinates.

Shifting block is placed in placing trough, while realizing slip linkage, also realizes both detachable, it is easily installed and changes, in additionally shifting block is slidably connected at placing trough, when locking piece is not drawn out of, stirs shifting block and slide and can stir microswitch equally and realize the keying of wiring board power supply.

This utility model is arranged further: described locking piece is provided with groove, is provided with snap fit in described groove, and described inner walls is provided with and the groove of snap fit clamping.

By snap fit and the setting of groove, in locking piece sliding process, more added with shift feeling when snap fit is absorbed in groove, operating handle is more preferable.

This utility model is arranged further: described shifting block is provided with the identification piece for showing state.

The setting of identification piece can play mark action, easily facilitates people and learns the keying operation of current wiring board power supply, it is to avoid the situation of accidental operation occurs.

This utility model is arranged further: described driving source includes that direct current generator, described transmission group include the worm screw of transmission successively, worm gear and gear train.

Abandon tradition by the way of the power such as steering wheel, electric magnet or hydraulic motor operate, divide-shut brake is realized by the rotating of direct current generator and the rotation of worm and gear, gear train combined operation handle, it is overall that drive mechanism is simple, parts are few, so that the overall volume of operation adnexa is little and can reduce the applicable production in enormous quantities of cost, the most gear-driven quick action, good stability are capable of the rapid divide-shut brake of operating breaker to reduce potential safety hazard；And due to the setting of worm and gear, in the case of direct current generator does not rotates, it can play non-return effect, it is to avoid the unexpected situation that revolution occurs not in place of closing a floodgate.

This utility model is arranged further: described gear train is provided with projection, and described STATEMENT OF FEDERALLY SPONSORED is provided with the linkage end abutted with projection, and described projection abuts linkage end and drives STATEMENT OF FEDERALLY SPONSORED to rotate.

Projection and linkage end setting, operate adnexa be in "on" position need separating brake time, direct current generator band nutating gear rotate, projection stir STATEMENT OF FEDERALLY SPONSORED rotate, the now tripping of STATEMENT OF FEDERALLY SPONSORED linked circuit breaker, it is achieved the operation to breaker open operation.

This utility model is arranged further: described housing is provided with installing hole and installing hole is built-in with the display lamp being connected with microswitch.

By the setting of display lamp, it is possible to indicate the open/close states of wiring board power supply further, especially also can clear view arrive in the environment of light is bad.

This utility model is arranged further: it is operating side that described locking piece skids off one end of housing, and described case top is provided with the breach exposed for operating side, spaced tread plate on described operating side.

The setting of breach makes operating side expose, and operating side is provided with tread plate, by increasing capacitance it is possible to increase stiction, and people are more prone to be skidded off by operating side when operation.

This utility model is arranged further: described operation handle is provided with the linkage bar passing housing, and described linkage bar side is provided with the linkage groove penetrated for circuit breaker handle.

Realized the linkage of operation handle and circuit breaker handle by the bar that links, and only the handle alignment linkage groove of chopper constantly need to be slipped into when splicing, play certain guide effect, convenient and swift.

In sum, this utility model has the advantages that after operation handle being pushed into gate-dividing state when maintenance, slider latch exposes to the lockhole of its one end, now in locking piece sliding process, shifting block and then movement is stirred microswitch and is carried out the power supply of line disconnection plate, the unexpected situation opening work occurs to avoid wiring board in maintenance process to occur, now the hook part of locking piece is caught on the fork of STATEMENT OF FEDERALLY SPONSORED and is limited it and rotate, further such that the handle of chopper cannot close a floodgate, additionally can lock padlock in lockhole, on the one hand the movement of locking piece can be limited, on the other hand obvious externally-located of padlock can play suggesting effect, avoid violence to close a floodgate and damage the situation of circuit breaker operation mechanism, structure after to sum up improving can play triple protection effect, more safety and reliability.

Accompanying drawing explanation

Fig. 1 is overall structure figure during the non-maintenance of embodiment 1；

Fig. 2 is cut-away view during the non-maintenance of embodiment 1；

Fig. 3 is the overall structure figure after coordinating with chopper during the non-maintenance of embodiment 1；

Fig. 4 is the embodiment 1 cut-away view when overhauling；

Fig. 5 is the overall structure figure after embodiment 1 coordinates with chopper when overhauling；

Fig. 6 is locking piece and the structure chart of STATEMENT OF FEDERALLY SPONSORED in embodiment 2；

Fig. 7 is the structure chart of locking piece in embodiment 2.

Accompanying drawing illustrates: 1, housing；11, display lamp；2, wiring board；3, operation handle；31, linkage bar；311, linkage groove；4, direct current generator；51, worm screw；52, worm gear；53, gear train；531, projection；6, locking piece；61, operating side；611, tread plate；62, shifting block；621, identification piece；63, placing trough；64, groove；65, snap fit；66, hook part；67, lockhole；7, microswitch；8, STATEMENT OF FEDERALLY SPONSORED；81, fork；82, gangbar；83, linkage end.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

Embodiment 1: the operation adnexa of a kind of chopper, as Figure 1-3, for structure chart during non-inspecting state, including housing 1, wiring board 2, operation handle 3 and direct current generator 4, the worm screw 51 for transmission, worm gear 52 and gear train 53 it is connected with in turn on direct current generator 4, the end gear of gear train 53 links with operation handle 3, thus realizes divide-shut brake by the positive and negative rotation transferring combined operation handle 3 of direct current generator 4；Overall drive mechanism is simple, and wherein gear train 53 can select plastic gear, low cost and can reduce weight, setting additionally, due to worm gear 52 worm screw 51, in the case of direct current generator 4 does not rotates, it can play non-return effect, it is to avoid unexpected situation revolution occur not in place of closing a floodgate.

The top inner wall of housing 1 is provided with the locking piece 6 being slidably connected with it, formation operating side 61 is exposed for locking piece 6 one end by arranging breach at housing 1 top side, operating side 61 is provided with spaced tread plate 611 increases frictional force, easily facilitate and locking piece 6 is skidded off, and on the sliding trace of locking piece 6, it is provided with the microswitch 7 for line disconnection plate 2 power supply, locking piece 6 is provided with the shifting block 62 stirring microswitch 7, after the operating side 61 of locking piece 6 being skidded off during maintenance, shifting block 62 stirs the power supply of microswitch 7 line disconnection plate 2, increases safety.

Operation handle 3 is provided with linkage bar 31, and linkage bar 31 is provided with linkage groove 311, only the handle of chopper need to be directed at linkage groove 311 when splicing and constantly slip into, play certain guide effect, convenient and swift.

As shown in Figure 4, for chopper operation adnexa maintenance time cut-away view, the operating side 61 of locking piece 6 is skidded off from housing 1, it is now placed in lockhole 67 on operating side 61 to expose, in this operating process, can hang up padlock (as shown in Figure 5) in lockhole 67, on the one hand padlock can play suggesting effect, the most also can play the slip limiting locking piece 6.

And in housing 1, it is rotatably connected to STATEMENT OF FEDERALLY SPONSORED 8, gear train 53 is provided with projection 531, STATEMENT OF FEDERALLY SPONSORED 8 is provided with the linkage end 83 abutted with projection 531, when gear train 53 drives operation handle 3 separating brake, projection 531 abuts linkage end 83 and drives STATEMENT OF FEDERALLY SPONSORED 8 to rotate, and STATEMENT OF FEDERALLY SPONSORED 8 is provided with the gangbar 82 for linked circuit breaker tripping, thus chopper tripping is driven to realize the separating brake of chopper in this process by gangbar 82；Fork 81 it is additionally provided with in STATEMENT OF FEDERALLY SPONSORED 8, the end of locking piece 6 be provided with catch on fork 81 end limit its rotate hook part 66, after by outer for the operating side 61 of locking piece 6 cunning, fork 81 end is caught in hook part 66 makes it to rotate, so STATEMENT OF FEDERALLY SPONSORED 8 is withstood and the chopper tripping of STATEMENT OF FEDERALLY SPONSORED 8 linkage, it cannot be rotated, and circuit breaker handle now cannot closing by hand, it is achieved locking effect further.

As it is shown in figure 5, be provided with installing hole on housing 1, in installing hole, it is provided with the display lamp 11 being connected with wiring board 2, for the on off operating mode of indicating circuit plate power supply, especially also can clear view arrive in the environment of light is bad.

In specific operation process: before maintenance; by the operating side 61 of locking piece 6, it is extracted out from housing 1; the lockhole 67 being evacuated on operating side 61 is completely exposed, and now the shifting block 62 on locking piece 6 touches the power supply of microswitch 7 line disconnection plate 2, it is achieved first heavily protects；The hook part 66 of locking piece 6 is caught on fork 81 end of STATEMENT OF FEDERALLY SPONSORED 8 and is made it turn to extreme position cannot to be rotated further, it is achieved second heavily protects；The most again padlock is locked at lockhole 67, limits the slip of locking piece 6 while playing suggesting effect, it is achieved triple protection；To sum up overall structure safety and reliability is high.

nullAs shown in Figure 6，Structure chart for locking piece in embodiment 26 with STATEMENT OF FEDERALLY SPONSORED 8，The difference of embodiment 2 and embodiment 1 is the structure of locking piece 6，This locking piece 6 is provided with placing trough 63，Shifting block 62 is placed in placing trough 63，And placing trough 63 is strip，It is capable of the shifting block 62 slip in placing trough 63，And shifting block 62 is provided with identification piece 621，For showing the state being in shifting block 62 sliding process，When locking piece 6 is not drawn out of，Stir shifting block 62 to slide and can stir microswitch 7 equally and realize the keying of wiring board 2 power supply，Only shifting block 62 need to be placed in during installation in placing trough 63，The most only need during dismounting to take out，Convenient and swift，Additionally it is provided with the groove that the switch with microswitch 7 coordinates bottom shifting block 62，Realize the switch with microswitch 7 by groove and realize linkage.

As it is shown in fig. 7, be additionally provided with groove 64 on locking piece 6, in groove 64, it is provided with snap fit 65, housing 1 inwall is provided with the groove (for display in figure) with snap fit 65 clamping, and this groove is provided with two, when the two groove coordinates with snap fit 65, corresponding locking piece 6 skids off to put in place or slip into and puts in place respectively；Thus in locking piece 6 sliding process, more added with shift feeling when snap fit 65 is absorbed in groove, operating handle is more preferable.

Claims

1. the operation adnexa of a chopper, including housing (1), wiring board (2), driving source, transmission group and operation handle (3), described driving source is rotated by transmission group transmission operation handle (3) and realizes divide-shut brake, it is characterized in that: described housing (1) is provided with the locking piece (6) being slidably connected with it, the microswitch (7) for line disconnection plate (2) power supply it is provided with in described housing (1), described locking piece (6) is provided with and touches the shifting block (62) that microswitch (7) is opened, described locking piece (6) one end shifting block (62) when housing (1) skids off stirs microswitch (7) and this end is provided with the lockhole (67) passed for padlock.

The operation adnexa of chopper the most according to claim 1, it is characterized in that: in described housing (1), be rotatably connected to the STATEMENT OF FEDERALLY SPONSORED (8) for linked circuit breaker tripping, the STATEMENT OF FEDERALLY SPONSORED (8) that links during described transmission group transmission operation handle (3) separating brake rotates, described STATEMENT OF FEDERALLY SPONSORED (8) is provided with fork (81), and described locking piece (6) is provided with for catching on fork (81) and limiting its hook part (66) rotated away from one end of lockhole (67).

The operation adnexa of chopper the most according to claim 2, it is characterized in that: described locking piece (6) is provided with the placing trough (63) for placing shifting block (62), described shifting block (62) is slidably connected in placing trough (63), and described shifting block (62) is provided with the groove that the switch with microswitch (7) coordinates.

4. according to the operation adnexa of the chopper described in claim 1 or 3, it is characterized in that: described locking piece (6) is provided with groove (64), being provided with snap fit (65) in described groove (64), described housing (1) inwall is provided with the groove with snap fit (65) clamping.

The operation adnexa of chopper the most according to claim 1, is characterized in that: described shifting block (62) is provided with the identification piece (621) for showing state.

The operation adnexa of chopper the most according to claim 2, it is characterized in that: described driving source includes direct current generator (4), described transmission group includes the worm screw (51) of transmission successively, worm gear (52) and gear train (53).

The operation adnexa of chopper the most according to claim 6, it is characterized in that: described gear train (53) is provided with projection (531), described STATEMENT OF FEDERALLY SPONSORED (8) is provided with the linkage end (83) abutted with projection (531), and described projection (531) abuts linkage end (83) and drives STATEMENT OF FEDERALLY SPONSORED (8) to rotate.

The operation adnexa of chopper the most according to claim 1, is characterized in that: described housing (1) is provided with installing hole and installing hole is built-in with the display lamp (11) being connected with microswitch (7).

The operation adnexa of chopper the most according to claim 1, it is characterized in that: it is operating side (61) that described locking piece (6) skids off one end of housing (1), described housing (1) top is provided with the breach exposed for operating side (61), described operating side (61) upper spaced tread plate (611).

The operation adnexa of chopper the most according to claim 1, it is characterized in that: described operation handle (3) is provided with the linkage bar (31) passing housing (1), described linkage bar (31) side is provided with the linkage groove (311) penetrated for circuit breaker handle.