CN1033834C - Flap type locking device for circuit-breakers - Google Patents
Flap type locking device for circuit-breakers Download PDFInfo
- Publication number
- CN1033834C CN1033834C CN93107180A CN93107180A CN1033834C CN 1033834 C CN1033834 C CN 1033834C CN 93107180 A CN93107180 A CN 93107180A CN 93107180 A CN93107180 A CN 93107180A CN 1033834 C CN1033834 C CN 1033834C
- Authority
- CN
- China
- Prior art keywords
- trap
- button
- feeler
- assembly
- rotation
- 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.)
- Expired - Fee Related
Links
Images
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
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
- H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
-
- 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
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement
-
- 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
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H2009/288—Provisions relating to welded contacts
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
Locking device with shutter for electromechanical circuit breaker. A feeler 80 is associated with a pivoting and sliding shutter 70 in order to detect an abnormal intermediate position of the stop button 12. The shutter is then blocked by the feeler, thus preventing padlocking of the shutter so as to keep it in the safety position.
Description
The present invention relates to the flap type locking device that a kind of electromechanical circuit breaker is used.
For the purpose of tangible safety, wish that the electromechanical circuit breaker is cut-off the position at contact can lock its manual actuating button, in patent FR-2596914, the locking device of a trap hasp of returning of this class use has been described.Equally, contact can not be eliminated fully by the danger of seam in circuit breaker.If each contact remains on the seam state, then common locking device will make circuit breaker locked owing to the shape of forcing or change each load bearing component, causes dangerous situation.
In some circuit breaker, manually the actuator button can present a centre position, and the welded condition beyond the position is normally opened and close in this position corresponding to contact, and this centre position is owing to the characteristic of tripping mechanism between button and contact causes.
One object of the present invention promptly is to utilize the unusual centre position of this manual actuating button and the fail safe that improves this locking device.
Another purpose is to provide a kind of simple, practical and compact locking device.
A kind of circuit breaker closing locking device that the present invention relates to comprises the assembly that contains separable contact, and contact can be driven by the manual actuating button that an energy touches previously from this assembly and can present closing position and normal off position; This device comprises a rotation trap that is arranged in the front of this assembly, and it can be moved to the driving that a home prevents button, and can remain on this position by at least one padlock or similar device.
According to the present invention, this locking device comprises:
A feeler is carried on and rotates on the trap, but the unusual centre position of test button during turning;
A sliding members that connects with this trap can be stabilized in the centre position of this button to stop this trap of padlock by this feeler.
This can preferably include this rotation trap by stable sliding members, and is provided with the device that trap is slided with respect to fixed base plate of this device.In another embodiment, this can comprise a slide block by stable sliding members, and it is by trap carrying and guiding, and this slide block and trap have suitable padlock hole, and the hole is stablized when living and can not be aligned mutually by feeler at slide block.This slide block includes some elements, is used for it is fixed in a fixing base plate; These elements match with the floor element of complementation, so that when slide block is not stablized firmly by feeler, they stablize firmly this slide block and the trap that carries it, and ought in a button closed position, be stablized by feeler by this slide block, a spring promptly promotes this trap slide block and is combined into a button off-position.
Below in conjunction with accompanying drawing and declarative description other features and advantages of the present invention thereof.
Fig. 1 is the part cross-section side view of a cased circuit breaker;
Fig. 2 is a part front view of being furnished with the circuit breaker of the first embodiment locking device, is illustrated in the padlock hasp in the motionless position;
Fig. 3 and Fig. 4 represent to be folded down the padlock hasp of position side, correspond respectively to that contact of breaker cut-offs and seam;
Fig. 5 and 6 is the front view of this hasp that the arrow A direction is found out from Fig. 3 and 4, illustrates the slide block of connection hasp and the position of trap;
Fig. 7 is the perspective view of analysing of this hasp;
Fig. 8 and 9 is the end view that is arranged in the second embodiment circuit breaker of its shell, is respectively the utmost point alive and is in stop position and locked position of coupler;
Figure 10 to 12 is the shell front view, represents that respectively trap is in position and padlock position on stop position, the folding;
Figure 13 is the zoomed-in view of base plate trap subsystem among Fig. 9;
Figure 14 represents an embodiment who rotates a slip trap.
The circuit breaker that its part is shown in Fig. 1 is a motor protection circuit breaker, and it comprises an assembly 10 that contains separable contact, and these contacts can manually be driven by a switch knob 11 and a trip button 12.This circuit breaker is installed in the shell 13, so that button can contact on the front surface 14 of this assembly by the window on the shell 15 usually.This assembly also includes: in response to the trip gear 16 of electric fault state; And one put mechanism again, and it cut-offs suitably according to the position of the state of this device and each button and contact 18 is closed in the pass.
When contact of breaker cut-off, this trip button 12 was positioned at retracted position 12A, and this can see from Fig. 3, and as shown in phantom in Figure 1.Fashionable when the contact pass, this trip button occupy the position 12B that goes out, shown in solid line among Fig. 1.This thing happens in meeting, although promptly this mechanism sends the instruction of cut-offfing each contact connection, and each contact by seam together; If such malfunction exists, then mechanism 17 will make this button be in a centre position 12C, and this can see from Fig. 4, and is shown in the empty outline line of Fig. 1.So the feature of button positions 12B and 12C shows as outstanding with respect to the bigger or less button of this assembly front surface 14.
There is a padlock hasp 20 to be fixed in the front of shell 13, constitutes a locking device with arbitrary method commonly used.With reference to Fig. 7, this hasp comprises a firm banking 30 that is attached on the shell, and comprises a rotation trap 40 that carries feeler 50 and safety slide 60.
Three padlock holes 65 are arranged on the bead vertical with the horizontal component of slide block 66, this bead 66 is parallel and the bead on trap 46 is adjacent, refer to that (jingers) 67 or other Connection Element are arranged on the slide block, below the bead 33 that is engaged on firm banking, thereby the trap slide block assembly is remained on home, shown in Fig. 3 and 5.
The use of above-mentioned hasp is as follows.When the operator wished the padlock unit, he rotated the trap 40 that carries slide block 60 towards being folded down position (Fig. 6), attempted then slide block is slipped over this trap along the sensing (Fig. 2 and 6) of arrow F.Suppose that button 12 is positioned at trip position this moment; If not so, then to sell 51 this button is pressed onto trip position, the power that spring 52 applies is greater than the resistance by button provided.
If at this moment contact disconnects, this is a normal condition, narrow 54 plane that is arranged in slide block of feeler, and therefore the latter can move to home, as shown in Figure 5; Each hole 45 and 65 overlaps and can make padlock 68 to insert and this circuit breaker is lived in locking.The operator can not operate the button that is covered by the trap slide block assembly, if because fault and contact by seam together, are then sold 51 wide 53 plane that is arranged in slide block, and therefore blocks its path.Refer to that 67 can not be engaged under the bead 34, and therefore and hole 65 can not align with hole 45, and the trap slide block assembly is moved to its lifting position (among Fig. 3 shown in the empty outline line) by spring 34, notice, in this operating period, feeler is retained in and can not gets the hang of, and the power on the failure button of being added in is limited to and equals the added power of feeler spring.
In the most preferred embodiment shown in Fig. 8 to 13, trap rotates around an axis X, and slides perpendicular to this axis, therefore not because of the slide block of a necessary special use.Trap 70 is supported on the base 30, rotates around window 15 following horizontal axiss by means of frame axle 71 (every has a plane 71a).
For this unit of padlock, the operator turns to the stop position of trap 70 along the direction of arrow G from Fig. 8 and 10 on the folding of Figure 11 the position or covers the position, padlock can not coincide in this position, the plane 71a of pivot 71 moves to a upright position from an obliquity, the former position stops trap to slide (among Figure 13 shown in the empty outline line), and latter position can make its slip.Then, this trap is raised along the direction of arrow H, makes plane 71a slide into upper support position (Fig. 9 and 12) in its groove 38, and each hole 36 and 73 coincides herein.If contact is opened, can not run into any obstacle when then feeler slides, if contact by seam (the position 12C of button 12 shown in the empty outline line among Fig. 8), then feeler supports button and stops trap to enter the padlock position of Fig. 9 and 12.Notice that in each position of Figure 11 and 12, trap is against the surface 74 of base, and for the position from Figure 11 moves to the position of Figure 12, a wall portion 76 of trap must be engaged under one or more maintenance beads 75; This just guarantees that the accurate location of trap and trap strictness are parallel to self and slide, and has improved the security reliability of this device by preventing the passive revolution of button.
In the deformation program of present embodiment, rotate trap and can be parallel to its rotating shaft slip, then, torsion spring with noncontact circle (nom-con-tiguous turns) rotates after translation and promotes this trap and reach its stop position, and a side surface by feeler and this actuator button cooperates the welding that detects contact then.As shown in Figure 14, the flat pivot 77 of trap can rotate (arrow G) and slide (arrow H) in cylindrical hole 78, the hole is in base support seat 79, and the guiding trap prevents to rotate during sliding and during turning slide at the element as the groove 80 in supporting seat.Described embodiment can be modified and not depart from scope of the present invention, and this trap can particularly rotate around a vertical axis round another rotational that is parallel to this assembly front surface.An available lever is attached to the motion of amplifying it on the feeler, and circuit breaker can comprise a single manual actuating.Button, and this feeler can be parallel to the front surface motion of assembly, and term " base (chassis) " must be explained this base or dismountable being attached on the shell, or a standing part of this shell with the wideest implication.
Claims (12)
1. the circuit breaker closing locking device comprises an assembly with separable contact, and the manual actuation button actuating that contact can be touched previously from this assembly also can present closing position and normal trip position; This device comprises the rotation trap that is arranged on this assembly front, and this assembly can be moved to a home and prevent the action of button, and can remain on this position by at least one padlock or similar device, it is characterized by this circuit breaker closing locking device and also comprises:
A feeler (50), it is located at rotation trap (40) and upward also highlights from it, and during turning, this feeler can detect an improper centre position of button (12);
A sliding members (60) is installed in and rotates on the trap, with can along or slide perpendicular to the rotation axis (X) that rotates trap (40), described sliding members (60) can be stabilized in a centre position of this button by this feeler, to prevent this rotation trap of padlock.
2. according to the described device of claim 1, it is characterized in that, it comprises a fixing base (30), and this firm banking can stable sliding members comprise one by the sliding members (60) that rotates trap (40) carrying and guiding, this sliding members (60) has and is used for sliding members is fixed to element (67) on this base, when this sliding members by feeler (50) when stablizing, sliding members just can not be fixed on this base with element (67).
3. according to the device described in claim 1 or 2, it is characterized in that sliding members that can be stable (60) and base (30) have a plurality of padlocks hole (65,45), if this sliding members is stablized by feeler (50), then these holes can not be aligned.
4. according to the device described in claim 1 or 2, it is characterized in that having a spring to promote this rotation trap (40) to the position that discharges this button (12).
5. according to the device described in claim 1 or 2, it is characterized in that feeler (50) comprises a pin (51), it applies the power that spring force determines to be added to button (12) by a spring (52).
6. the circuit breaker closing locking device comprises an assembly with separable contact, and the manual actuation button actuating that contact can be touched previously from this assembly also can present closing position and normal trip position; This device comprises the rotation trap that is arranged on this assembly front, and this assembly can be moved to a home and prevent the action of button, and can remain on this position by at least one padlock or similar device, it is characterized by this circuit breaker closing locking device and also comprises:
A feeler (80), it is located at rotation trap (70) and goes up and give prominence to from it, and during turning, this feeler can detect an improper centre position of button (12),
Wherein said rotation trap (70) can along or slide perpendicular to its rotation axis (X), and can be stabilized in a centre position of this button, to prevent this rotation trap of padlock by this feeler.
7. according to the described device of claim 6, it is characterized by, this device also comprises a fixing base (30) and is located at the slideway (38) that this rotation trap is slided.
8. according to the described device of claim 7, it is characterized by, the pivot (71) that rotates trap matches with slideway (38), and slideway is the part of base, and is parallel to the front surface (14) of this assembly.
9. according to the described device of claim 7, it is characterized in that rotate trap (70) and be engaged at least below the maintenance bead (75), this bead is the part of base during sliding.
10. according to each described device in the claim 6 to 9, it is characterized in that rotating trap (70) and base (30) has a plurality of padlocks hole (73,36), stablized by feeler (80) that then these holes can not be aligned if should rotate trap.
11., it is characterized in that having a spring to promote this rotation trap (70) according to each described device in the claim 6 to 9 to the position that discharges this button (12).
12. the device according to claim 10 is characterized in that, has a spring to promote this rotation trap (70) to the position that discharges this button (12).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9207408A FR2692717B1 (en) | 1992-06-18 | 1992-06-18 | SHUTTER LOCKING DEVICE FOR CIRCUIT BREAKER. |
FR9207408 | 1992-06-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1080089A CN1080089A (en) | 1993-12-29 |
CN1033834C true CN1033834C (en) | 1997-01-15 |
Family
ID=9430885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN93107180A Expired - Fee Related CN1033834C (en) | 1992-06-18 | 1993-06-18 | Flap type locking device for circuit-breakers |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0575216B1 (en) |
JP (1) | JPH0676725A (en) |
KR (1) | KR970006435B1 (en) |
CN (1) | CN1033834C (en) |
DE (1) | DE69301278T2 (en) |
FR (1) | FR2692717B1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19522049C2 (en) * | 1995-06-17 | 2001-04-26 | Hager Electro Gmbh | Mechanical safety device against pivoting the switching lever of a circuit breaker |
DE19843207A1 (en) * | 1998-09-16 | 2000-03-23 | Siemens Ag | Power switch control and service panel arrangement |
JP7101701B2 (en) * | 2017-11-17 | 2022-07-15 | 株式会社荏原製作所 | Lockout key fixture for circuit breaker |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3186981A (en) * | 1962-03-26 | 1965-06-01 | Ryan Aeronautical Company | Push button switch override clip |
FR2378345A1 (en) * | 1977-01-24 | 1978-08-18 | Merlin Gerin | Line protecting circuit breaker with rotary handles - has actuating mechanism transmitting handle turning to toggle during first rotation phase |
FR2390569A1 (en) * | 1977-05-09 | 1978-12-08 | Hazemeyer Sa | Safety-slide for locking off electric circuit-breaker - has padlock and recoil sprung stud which is displaced by contacts to allow sliding |
US4260861A (en) * | 1979-07-30 | 1981-04-07 | Gould Inc. | Handle locking means for circuit breaker |
FR2609208A2 (en) * | 1986-04-08 | 1988-07-01 | Telemecanique Electrique | CADENABLE DEVICE FOR CONTROLLING A SWITCH |
-
1992
- 1992-06-18 FR FR9207408A patent/FR2692717B1/en not_active Expired - Fee Related
-
1993
- 1993-06-02 DE DE69301278T patent/DE69301278T2/en not_active Expired - Lifetime
- 1993-06-02 EP EP93401415A patent/EP0575216B1/en not_active Expired - Lifetime
- 1993-06-17 JP JP5146541A patent/JPH0676725A/en active Pending
- 1993-06-18 CN CN93107180A patent/CN1033834C/en not_active Expired - Fee Related
- 1993-06-18 KR KR1019930011206A patent/KR970006435B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2692717A1 (en) | 1993-12-24 |
FR2692717B1 (en) | 1997-01-31 |
KR970006435B1 (en) | 1997-04-28 |
JPH0676725A (en) | 1994-03-18 |
EP0575216B1 (en) | 1996-01-10 |
EP0575216A1 (en) | 1993-12-22 |
DE69301278T2 (en) | 1996-07-04 |
DE69301278D1 (en) | 1996-02-22 |
CN1080089A (en) | 1993-12-29 |
KR940001218A (en) | 1994-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4002865A (en) | Drawout type circuit interrupter with interlocked levering mechanism | |
US5543595A (en) | Circuit breaker with a blocking mechanism and a blocking mechanism for a circuit breaker | |
US5200585A (en) | Drawout switchgear with improved levering-in mechanism and interlock | |
CN1881495B (en) | Actuating device for an electrical switch device with rotational locking means | |
SK182198A3 (en) | Closure for doors, bonnets, tailgates or the like, in particular of vehicles, such as motor vehicles | |
CN1033834C (en) | Flap type locking device for circuit-breakers | |
US6911614B2 (en) | Circuit breaker | |
US7605335B2 (en) | Position switch | |
US10544010B2 (en) | Method and system for elevator door locking and detection of elevator door locking state | |
JP4673661B2 (en) | Safety switch | |
US9685283B2 (en) | Interlock for circuit interrupting device | |
US4210788A (en) | Manual operating handle assembly for circuit interrupter devices | |
EP3328777B1 (en) | Lock strike plate provided with an emergency unlocking system, and lock-ing device comprising said lock strike plate | |
CN2629192Y (en) | Operating device for loading switch | |
CN1208799C (en) | Switch | |
CN113330531A (en) | Interlock system for circuit breaker system | |
US20220392719A1 (en) | Interlock mechanism for a distribution cabinet | |
KR100480389B1 (en) | Interlock apparatus for draw-out type circuit breaker | |
CA1100166A (en) | Pressure switch with side operator mechanism and door assembly | |
CN203481092U (en) | Switch device | |
CN112701002A (en) | Three-station operating mechanism | |
US8772666B2 (en) | Interlock system for switchgear | |
US6662608B1 (en) | Central locking drive | |
KR200401942Y1 (en) | Earthing Switch Operating Shaft Stopping Apparatus | |
NL8803018A (en) | Electric switch operated by rotating shaft via lever system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 19970115 Termination date: 20120618 |