CN100426610C - Circuit breaker drawer base with self-locking function - Google Patents
Circuit breaker drawer base with self-locking function Download PDFInfo
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- CN100426610C CN100426610C CNB2005100493669A CN200510049366A CN100426610C CN 100426610 C CN100426610 C CN 100426610C CN B2005100493669 A CNB2005100493669 A CN B2005100493669A CN 200510049366 A CN200510049366 A CN 200510049366A CN 100426610 C CN100426610 C CN 100426610C
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- circuit breaker
- slide block
- push rod
- rod
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Abstract
The present invention discloses a breaker drawer seat with a self-locking function, which comprises a soleplate, a control panel, a main slide, a drive slide, a guide rod, a fixed bracket, a screw rod, a slide block, a first push rod, a second push rod, a connecting rod and an unlocking piece spring. The present invention is characterized in that the rotation of a handle relative to the screw rod can be locked when a breaker is arranged in any position of separation, experiment and connection, and position return by unlocking can be implemented through rotating the connecting rod. The present invention has the advantages that operation is simple and convenient, and the operating state of the breaker can be accurately displayed.
Description
Technical field
The present invention relates to a kind of drawout chassis of withdrawable circuit breaker, this drawout chassis is by the operation of operating parts (handle) to slide block, can make the circuit breaker turnover that separation, test, three positions of connection are arranged with it, be convenient to circuit breaker is overhauled, isolates, changes specifically a kind of circuit breaker drawer base with auto-lock function.
Background technology
In the middle of existing technology commonly used, the drawout chassis of withdrawable circuit breaker comprises:
---a pair of main slide plate that is arranged on the drawout chassis dual-side, link by rotating shaft;
---one drives slide plate, its rear end be provided with teeth groove and with the gears engaged that is arranged in the described rotating shaft;
---a screw rod, an end are arranged on the control panel of described drawout chassis, and another is connected on the described driving slide plate;
---a guide rod, two ends are separately positioned on the control panel and described driving slide plate of described drawout chassis.
Circuit breaker is installed on the described main slide plate, and outmost one grade is released state.With handle clockwise rotating screw bolt, drive slide plate and push ahead, teeth groove driving belt moving gear rotates, and the promotion rotating shaft drives main slide plate and moves to the test shelves backward.Guide rod also is a screw-rod structure, and clockwise rotates with the motion that drives slide plate, and pointer shows the test shelves.Repeat said process, circuit breaker enters and connects shelves, and guide rod also shows corresponding work state gear.This shows that the drawout chassis of existing withdrawable circuit breaker can only probably show the operating state of circuit breaker, can't accurately determine and self-locking, bring a lot of unnecessary troubles to the operator.
Summary of the invention
The present invention will solve is that the drawout chassis of existing withdrawable circuit breaker can't accurately be determined the operating state of circuit breaker and the problem that can not carry out self-locking, a kind of circuit breaker drawer base with auto-lock function is provided, is intended to accurately determine and indicate the operating state of circuit breaker.The technical scheme that addresses the above problem employing is: has the circuit breaker drawer base of auto-lock function, comprises that base plate is arranged on the control panel of described base plate front end, and:
---a pair of main slide plate that is arranged on the drawout chassis dual-side, link by rotating shaft;
---one drives slide plate, and its rear end is provided with teeth groove, and with the gears engaged that is arranged in the described rotating shaft;
---a guide rod, two ends are separately positioned on the control panel and described driving slide plate of described drawout chassis;
---a fixed support;
---a screw rod, an end are connected on the described driving slide plate, and the other end is provided with the nut of band radial slot;
---a slide block, an end are fixed on the described driving slide plate, and the other end is arranged in the rail guide groove of offering on the described fixed support; Offer elongated slot on the described slide block, described elongated slot is provided with the circular hole of three diameters greater than groove width, and described slider bottom is provided with three arc grooves respectively corresponding to described three circular hole places;
---first push rod, one rectifies described nut, passes an end that is connected to second push rod behind the elongated slot of offering on installing hole set on the fixed support and the slide block behind the other end suit stage clip;
---a connecting rod, be coupling and on fixed support, also can rotate around the axle center, an end pin joint is on the other end of second push rod;
---separate the locking plate spring for one, one end is fixed on the fixed support, the other end is riveted a pivot pin, a described end of separating riveted joint pivot pin on the locking plate spring matches with the cylindrical release working face of described first push rod and the cylindrical self-locking working face of second push rod, and described pivot pin matches with described slider bottom.
The present invention has the circuit breaker drawer base of auto-lock function, circuit breaker is contained on the main slide plate of this drawout chassis, and circuit breaker has three service positions promptly to separate, and test connects.When being in the separation point position, its described circuit breaker separates each other fully with drawout chassis, and circuit breaker can pull out from drawout chassis and take off, and can overhaul, safeguard or change circuit breaker; When being in test position, described circuit breaker and drawout chassis have only secondary circuit to connect each other, can be to circuit breaker at some action checkings of previous crops that put into operation; When being in link position, what described circuit breaker and drawout chassis were mutual once connects fully with secondary circuit, can operate as normal.
Outmost one grade is released state.With handle clockwise rotating screw bolt, drive slide plate and push ahead, teeth groove driving belt moving gear rotates, and the promotion rotating shaft drives main slide plate and moves backward.Meanwhile, being fixed on slide block on the described driving slide plate also follows and drives slide plate and move backward.When main slide plate arrived to the test shelves, second circular hole on the slide block elongated slot was just in time relative with described second push rod, and under the effect of stage clip, this second push rod inserts described second circular hole; Equally, first push rod is also just in time relative with radial slot on the nut, and under the effect of stage clip, this first push rod also inserts in the described radial slot, and sends the impact sound of " click ".Like this, screw rod just can't rotate, and this device just is in the operating state of self-locking.Because guide rod also is a screw-rod structure, clockwise rotates with the motion that drives slide plate, and pointer shows the test shelves.
Pivot link, connecting rod spurs second push rod in rotating process and first push rod outwards moves, first push rod is withdrawed from from the radial slot of nut, second push rod withdraws from the circular hole on the slide block simultaneously, separate the locking plate spring inserts second push rod under the effect of self reset force end face, withstand on the cylindrical working face of push rod, realize release toward the motion of nut direction thereby limited second push rod.This moment, handle just can be rotated further screw rod, slide block is with driving skateboarding, separate pivot pin on the locking plate spring along with the motion of slide block will break away from from arbitrary arc groove of slider bottom, enter the plane and make and separate the locking plate spring to lower stress, thereby make the end face of separating the locking plate spring withdraw from the end face of second push rod, this moment, this device was just for entering getting ready of self-locking next time.
Repeat said process, circuit breaker enters and connects shelves, and guide rod also shows corresponding work state gear.
From above analysis as can be known, the locked operating parts in arbitrary position (handle) that the present invention can be in separation, test at circuit breaker, connect is to the rotation of screw rod, and carries out release by pivot link and reset.It is simple to operation, and can accurately show the operating state of circuit breaker.
As a further improvement on the present invention, described base plate is provided with lock, and described locking is provided with push pedal, and described push pedal and described connecting rod mesh by teeth groove.During release, key is inserted lock turn an angle, push pedal is and then rotated, thereby drivening rod rotates, and then finishes aforesaid a series of release action.
Further improve again as of the present invention, be provided with extension spring between described push pedal and the base plate.This extension spring is used for strengthening the tension force of stage clip, makes self-locking action faster.
Further improve as of the present invention, described fixed support comprises first support and second support, and described first support is fixed on the described base plate, described second support by screw on described first support; And described connecting rod is arranged on described first support, and described slide block is arranged on described second support.Each assembly is installed separately like this, and then splicing-in, makes that assembling is more convenient.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the perspective view of breaker body on drawout chassis of withdrawable circuit breaker.
Fig. 2 is the structure chart of drawout chassis.
Fig. 3 is the structural formula intention of drawout chassis base plate.
Fig. 4 is the control panel schematic diagram of drawout chassis, shows the working condition of guide rod and lock.
Fig. 5 is the working condition schematic diagram that this device is gone up connecting rod and push pedal.
Fig. 6 is the cutaway view of slide block assembly when the self-locking operating state.
Fig. 7 is the perspective view of slide block assembly when the self-locking operating state.
Fig. 8 is the cutaway view of slide block assembly when the release operating state.
Fig. 9 is the perspective view of slide block assembly when the release operating state.
Figure 10 is the structural representation of slide block of the present invention
Figure 11 is the structural representation that the present invention separates the locking plate spring.
Embodiment
With reference to Fig. 1, circuit breaker 1 is contained in the drawout chassis 2, has three service positions promptly to separate, and test connects.When being in the separation point position, circuit breaker 1 separates each other fully with drawout chassis 2, and circuit breaker can pull out and take off from drawout chassis, can overhaul, safeguard or change circuit breaker; When being in test position, circuit breaker 1 has only secondary circuit to connect with drawout chassis 2 each other, can be to circuit breaker at some action checkings of previous crops that put into operation; When being in link position, circuit breaker 1 and drawout chassis 2 mutual once connecting fully with secondary circuit can operate as normal.
Fig. 2 has shown the structure chart of drawout chassis, can clearly find out total figure.On two main slide plates 5, utilize handle 3 rotating screw bolts 9 about circuit breaker 1 is contained in, drive and drive slide plate 10 and seesaw.Drive slide plate 10 rear ends and be provided with teeth groove 26, and mesh with the gear 27 that is arranged in the described rotating shaft 4, the motion that drives slide plate 10 drives the rotation of rotating shaft 4, and rotating shaft 4 drives main slide plate 5 again and seesaws, thereby realizes the turnover of circuit breaker 1.Nut 6 is fixed on the screw rod 9 and with one and plays rotation, and guide rod 8 is contained in and drives on the slide plate 10, and seesawing of slide plate 10 can drive the rotation of guide rod 8 equally, thereby realizes indicating operating status.
The structural representation of Fig. 3 display backpanel 7.Support 12 is screwed on support 28, and slide block 11 1 ends are fixed on the described driving slide plate 10, and the other end is contained in the rail guide groove of support 12, and and then slide plate 10 seesaws.Connecting rod 21 is that by the pivot pin 15 of riveting on support 28 axle center rotates, the one end be inserted into by pin 14 in the pin-and-hole of offering on the push rod 13 33 and with push rod 13 pin joints, the other end and push pedal 18 are meshed by teeth groove.Extension spring 17 1 ends are hung on the connecting rod 21, and the other end is hung on the pin 16 of riveting in base plate 7.Push pedal 18 is contained on the lock 20, and lock 20 is contained on the base plate 7 and fixes, and key 19 insertion locks 20 can drive push pedal 18 and rotate.
Fig. 4 is the schematic diagram of control panel 29, positive shows the position indication of circuit breaker 1 on drawout chassis 2, and guide rod 8 indication circuit breakers are in three positions of separations, test, connection, locks 20 and can show and be in self-locking or released state.
Fig. 5 shows the working condition of connecting rod 21 and push pedal 18 on the drawout chassis base plate.Lock 20 drives push pedal 18 and rotates, and by the engagement of the teeth groove on tooth bar in the push pedal 18 and connecting rod 21 1 ends, thereby drivening rod 21 rotates for the axle center around pivot pin 15, the motion of the other end pulling push rod 13 of connecting rod 21.Extension spring 17 works to do to strengthen stage clip 23 active forces.
Fig. 6, Fig. 7 show the self-locking operating state of this device.Offer elongated slot 30 on the slide block 11, described elongated slot 30 is provided with circular hole A, B, the C of three diameters greater than groove width, and described slide block 11 bottoms are provided with three arc groove E, F, G respectively corresponding to described three circular hole A, B, C place.Push rod 22 cover compression springs 23 are connected as a single entity with push rod 13 after passing the elongated slot of the circular hole 31 of support 12 and slide block 11.With handle 3 rotating screw bolts 9, slide block 11 seesaws with driving slide plate 10 in the rail guide groove of support 12, when circular hole A, B on the slide block 11, C and push rod 13 are concentric, under the active force of stage clip 23, push rod 13 inserts the hole slot position, garden of slide blocks 11, and same push rod 22 inserts in the radial slot 32 of the nut 6 that rotates with screw rod 9, send the impact sound of " click " simultaneously, screw rod 9 stops operating, thereby handle 3 can't be rotated further again, and this moment, this device just was in the self-locking operating state.
Fig. 8, Fig. 9 show the release operating state of this device.After entering above-mentioned self-locking, need be rotated further handle 3 as entering next service position, must manually insert lock 20 with key 19 turns an angle, push pedal 18 is being followed and is being rotated, thereby having driven connecting rod 21 rotates, connecting rod 21 spurs push rod 13 in rotating process and push rod 22 moves right, push rod 22 is withdrawed from from the radial slot 32 of nut 6, push rod 13 withdraws from the circular hole on the slide block 11 simultaneously, separate locking plate spring 24 inserts push rod 13 at the effect lower surface H of self reset force end face, withstand on the cylindrical release working face 34 of push rod 22, realize release toward the motion of nut 6 directions thereby limited push rod 13.This moment, handle 3 was with regard to rotatable screw rods 9, slide block 11 is with driving slide plate 10 motions, separate pivot pin 25 on the locking plate spring 24 along with the motion of slide block 11 will break away from from arbitrary arc groove of E, F, G as shown in figure 10, enter the plane and make and separate locking plate spring 24 to lower stress, thereby the H face of separating locking plate spring 24 withdraws from the end face of push rod 13 and gets back on the columniform self-locking working face 35, and this moment, this device was just for entering getting ready of self-locking next time.
Figure 10 shows the structure chart of slide block.Motion in the long strip type groove 30 of slide block 11 during push rod 22 work, the self-locking action hole that three circular hole A, B of slide block 11, C are separation, test, link position respectively, its device is corresponding with guide rod 8 indicating positions after driving on the slide plate 10.Separate the working face that locking plate spring 24 resets after the release that circular arc groove face E on slide block 11 bottom surfaces, F, G are separation, test, link position.
Figure 11 shows the structure chart of separating locking plate spring 24.Separate locking plate spring 24 1 ends and be fixed on the support 12, pivot pin 25 rivetings are on sheet spring 24 other ends, and when moving in the rail guide groove of slide block 11 at support 12, pivot pin 25 just is close on slide block 11 bottom surfaces and is moved, thereby drive that sheet spring 24 moves up and down and stressed.
What should be understood that is: the foregoing description is just to explanation of the present invention, rather than limitation of the present invention, and any innovation and creation that do not exceed in the connotation scope of the present invention all fall within protection scope of the present invention.
Claims (4)
1, the circuit breaker drawer base that has auto-lock function comprises base plate (7) and is arranged on the control panel (29) of described base plate (7) front end, and:
---a pair of main slide plate (5) that is arranged on the drawout chassis dual-side, link by rotating shaft (4);
---one drives slide plate (10), and its rear end is provided with teeth groove (26), and meshes with the gear (27) that is arranged in the described rotating shaft (4);
---a guide rod (8), two ends are separately positioned on the control panel (29) and described driving slide plate (10) of described drawout chassis;
It is characterized in that also being provided with:
---a fixed support;
---a screw rod (9), an end are connected on the described driving slide plate (10), and the other end is provided with the nut (6) of band radial slot (32);
---a slide block (11), an end are fixed on the described driving slide plate (10), and the other end is arranged in the rail guide groove of offering on the described fixed support; Offer elongated slot (30) on the described slide block (11), described elongated slot (30) is provided with the circular hole (A, B, C) of three diameters greater than groove width, and three arc grooves (E, F, G) are located to be provided with respectively corresponding to described three circular holes (A, B, C) in described slide block (11) bottom;
---first push rod (22), one rectifies described nut (6), is connected to second push rod (13) one ends after passing the elongated slot of offering on installing hole set on the fixed support (31) and the slide block (11) (30) behind the other end suit stage clip (23);
---a connecting rod (21), be coupling and on fixed support, also can rotate around the axle center, an end pin joint is on the other end of second push rod (13);
---separate locking plate spring (24) for one, one end is fixed on the fixed support, the other end is riveted a pivot pin (25), a described end of separating locking plate spring (24) last riveted joint pivot pin (25) matches with the cylindrical release working face (34) of described first push rod (22) and the cylindrical self-locking working face (35) of second push rod (13), and described pivot pin (25) matches with described slide block (11) bottom.
2, the circuit breaker drawer base with auto-lock function as claimed in claim 1 is characterized in that described base plate (7) is provided with lock (20), and described lock (20) is provided with push pedal (18), and described push pedal (18) is meshed by teeth groove with described connecting rod (21).
3, the circuit breaker drawer base with auto-lock function as claimed in claim 2 is characterized in that being provided with extension spring (17) between described push pedal (18) and the base plate (7).
4, as any one described circuit breaker drawer base of claim 1-3 with auto-lock function, it is characterized in that described fixed support comprises first support (28) and second support (12), described first support (28) is fixed on the described base plate (7), described second support (12) by screw on described first support (28); And described connecting rod (21) is arranged on described first support (28), and described slide block (11) is arranged on described second support (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100493669A CN100426610C (en) | 2005-03-14 | 2005-03-14 | Circuit breaker drawer base with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100493669A CN100426610C (en) | 2005-03-14 | 2005-03-14 | Circuit breaker drawer base with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1725584A CN1725584A (en) | 2006-01-25 |
| CN100426610C true CN100426610C (en) | 2008-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100493669A Active CN100426610C (en) | 2005-03-14 | 2005-03-14 | Circuit breaker drawer base with self-locking function |
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| Country | Link |
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| CN (1) | CN100426610C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100807544B1 (en) * | 2006-10-17 | 2008-02-28 | 엘에스산전 주식회사 | Cradle withdraw in and out device of circuit break |
| US7764485B2 (en) * | 2008-04-15 | 2010-07-27 | General Electric Company | Electrical distribution device assembly |
| EP2469669A1 (en) | 2010-12-21 | 2012-06-27 | Eaton Industries GmbH | Electrical switchgear with a withdrawable apparatus-support |
| CN102208770B (en) * | 2011-05-27 | 2014-04-02 | 北京龙源开关设备有限责任公司 | Chassis of L-shaped propelling device |
| CN102761070B (en) * | 2012-07-23 | 2015-05-20 | 上海电科博耳电器开关有限公司 | Three-position locking device for drawout breaker |
| CN104299863B (en) * | 2014-10-20 | 2016-04-27 | 乐清市索泰电气有限公司 | A kind of shaft seat of air circuit |
| CN105048326B (en) * | 2015-08-11 | 2017-04-26 | 德力西电气有限公司 | Automatic locking mechanism for closed position of breaker of drawer seat |
| CN105119177B (en) * | 2015-09-24 | 2017-07-18 | 厦门宏发开关设备有限公司 | A kind of open frame circuit breaker isolated location interlock |
| CN109713602B (en) * | 2017-10-25 | 2020-03-06 | 常熟开关制造有限公司(原常熟开关厂） | Drawer seat of circuit breaker |
| CN109326982B (en) * | 2018-09-25 | 2020-05-01 | 红光电气集团有限公司 | Handcart circuit breaker with interlocking limiting self-locking device |
| CN110993394B (en) * | 2019-12-16 | 2021-09-03 | 苏州飞腾电器有限公司 | Draw-out type automatic change-over switch with bypass |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4914549A (en) * | 1988-09-28 | 1990-04-03 | Siemens Energy & Automation, Inc. | Circuit breaker movement mechanism |
| DE10040682C1 (en) * | 2000-08-19 | 2001-11-15 | Felten & Guilleaume Ag | Verification device for movable switching device in switch field only permits insertion of hand crank when safety conditions are met |
| CN2485842Y (en) * | 2001-06-13 | 2002-04-10 | 武进市新苑电力配件厂 | Drawer push interlock for cabinet |
| CN1402396A (en) * | 2002-09-17 | 2003-03-12 | 常熟开关厂 | Safety hanging locking device for draw circuit breaker |
| CN1585063A (en) * | 2004-06-09 | 2005-02-23 | 浙江正泰电器股份有限公司 | Breaker drawer seat with self-locking function |
-
2005
- 2005-03-14 CN CNB2005100493669A patent/CN100426610C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4914549A (en) * | 1988-09-28 | 1990-04-03 | Siemens Energy & Automation, Inc. | Circuit breaker movement mechanism |
| DE10040682C1 (en) * | 2000-08-19 | 2001-11-15 | Felten & Guilleaume Ag | Verification device for movable switching device in switch field only permits insertion of hand crank when safety conditions are met |
| CN2485842Y (en) * | 2001-06-13 | 2002-04-10 | 武进市新苑电力配件厂 | Drawer push interlock for cabinet |
| CN1402396A (en) * | 2002-09-17 | 2003-03-12 | 常熟开关厂 | Safety hanging locking device for draw circuit breaker |
| CN1585063A (en) * | 2004-06-09 | 2005-02-23 | 浙江正泰电器股份有限公司 | Breaker drawer seat with self-locking function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1725584A (en) | 2006-01-25 |
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Application publication date: 20060125 Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of invention: Drawer seat of circuit breaker with self-locking function Granted publication date: 20081015 License type: Common License Record date: 20201021 |
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| EE01 | Entry into force of recordation of patent licensing contract |