CN103050900B - The mechanical interlocks of draw out switchgear cabinet and draw out switchgear cabinet - Google Patents
The mechanical interlocks of draw out switchgear cabinet and draw out switchgear cabinet Download PDFInfo
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- CN103050900B CN103050900B CN201110312565.XA CN201110312565A CN103050900B CN 103050900 B CN103050900 B CN 103050900B CN 201110312565 A CN201110312565 A CN 201110312565A CN 103050900 B CN103050900 B CN 103050900B
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- chassis vehicle
- chassis
- mechanical interlocks
- plate
- driving shaft
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Abstract
The invention provides a kind of mechanical interlocks of draw out switchgear cabinet, comprise a chassis vehicle jam plate, chassis, an interlocking bolt and an interlock plate.Present invention also offers a kind of draw out switchgear cabinet, comprise a carrier frame header board, a cabinet door, chassis vehicle driving shaft, a chassis vehicle drive plate and an above-mentioned mechanical interlocks.The invention enables only when unlocking condition meets, just allow to carry out running circuit breaker by shake chassis vehicle, also only when circuit breaker gets back to test position, mechanical interlocks could locking again, thus effectively avoids the exercise void that causes because of misoperation in use procedure or breakdown loss.
Description
Technical field
The present invention relates to the mechanical interlocks of draw out switchgear cabinet, particularly relate to a kind of mechanical interlocks that the withdrawable switch cubicle of primary cut-out is housed.The invention still further relates to the draw out switchgear cabinet adopting this mechanical interlocks.
Background technology
Draw out switchgear cabinet comprises a chassis vehicle, and chassis vehicle is driven by chassis vehicle driving shaft, and rotating chassis car driving shaft drives the chassis vehicle drive plate installed on a chassis to move, and the circuit breaker be placed on chassis vehicle is moved between test position and service position.Mechanical interlocks is directly installed on circuit breaker frame housing usually.When opening the high-pressure door of circuit breaker, if do not know working condition and the position of circuit breaker, the misoperation of operator may cause exercise void or breakdown loss, and produces potential safety hazard.
Summary of the invention
The object of this invention is to provide a kind of mechanical interlocks of draw out switchgear cabinet, this mechanical interlocks, only when unlocking condition meets, just allows to shake into or shake out chassis vehicle, circuit breaker is moved between test position and service position.Meanwhile, also only when circuit breaker gets back to test position, mechanical interlocks could locking again, thus effectively avoids the exercise void that causes because of misoperation in use procedure or breakdown loss, and the structure of mechanical interlocks is simple, is easy to installation and maintenance.
The mechanical interlocks of this draw out switchgear cabinet, comprises the chassis vehicle jam plate be arranged on the chassis vehicle driving shaft of switch cubicle.Mechanical interlocks also comprises a chassis, an interlocking bolt and an interlock plate.Interlocking bolt is fixed on the dead bolt of chassis, interlock plate offers a locked groove.When chassis is in lockup state, dead bolt is locked in this locked groove and described interlocking bolt engages described chassis vehicle jam plate, and when chassis is in released state, interlocking bolt to enter in locked groove and discharges described chassis vehicle jam plate, makes interlock plate can move relative to interlocking bolt.
In another schematic execution mode of the mechanical interlocks of draw out switchgear cabinet, mechanical interlocks also comprises at least one driving shaft locking plate and at least one turning arm.Described driving shaft locking plate can engage or discharge described chassis vehicle jam plate.One end of described turning arm can be driven by the cabinet door of described switch cubicle, and the other end of described turning arm is resisted against described driving shaft locking plate, and described turning arm can promote the direction motion of described driving shaft locking plate to the described chassis vehicle jam plate of release.Like this, mechanical interlocks is only closed at cabinet door and when meeting unlocking condition, is just allowed to shake into or shake out chassis vehicle, circuit breaker is moved between test position and service position.
In the schematic execution mode of the another kind of the mechanical interlocks of draw out switchgear cabinet, mechanical interlocks comprises a pair turning arm and a pair driving shaft locking plate, and driving shaft locking plate is arranged along chassis vehicle driving shaft radial symmetric.
In another schematic execution mode of the mechanical interlocks of draw out switchgear cabinet, mechanical interlocks also comprises a chassis vehicle and drives rod member, chassis vehicle drives one end of rod member to be connected with interlock plate, and the other end can be connected with the chassis vehicle drive plate of switch cubicle.
In another schematic execution mode of the mechanical interlocks of draw out switchgear cabinet, mechanical interlocks also comprises a lock box, and this lock box has a pair interlocking board slot, and interlock plate can wear and be installed in interlocking board slot.
Another object of the present invention is to provide a kind of draw out switchgear cabinet, comprise a carrier frame header board, a cabinet door, chassis vehicle driving shaft, a chassis vehicle drive plate and a mechanical interlocks of the present invention, wherein chassis vehicle jam plate and chassis are fixed on carrier frame header board, chassis vehicle driving shaft is arranged on chassis vehicle jam plate, and chassis vehicle drives one end of rod member to be connected with chassis vehicle drive plate.
Adopt mechanical interlocks of the present invention and draw out switchgear cabinet, can ensure, only when mechanical interlocks unlocks, just can shake into or shake out chassis vehicle, circuit breaker is moved between test position and service position; Meanwhile, also only when circuit breaker gets back to test position, mechanical interlocks could locking again, thus effectively prevent the exercise void or breakdown loss that cause because of misoperation in use procedure.In addition, because mechanical interlocks is arranged on carrier frame header board, therefore the structure of mechanical interlocks and draw out switchgear cabinet is simple, is easy to installation and maintenance.
Hereafter by clearly understandable mode, accompanying drawings preferred embodiment, is further described the above-mentioned characteristic of the mechanical interlocks of draw out switchgear cabinet, technical characteristic, advantage and implementation thereof.
Accompanying drawing explanation
Fig. 1 is the perspective exploded view of the mechanical interlocks structure of draw out switchgear cabinet of the present invention.
Fig. 2 shows the course of work of mechanical interlocks, state when wherein Fig. 2 (a) represents that cabinet door is not closed, state when Fig. 2 (b) represents that cabinet door is closed.
Fig. 3 (a) and Fig. 3 (b) respectively illustrate chassis, interlocking bolt and the interlock plate position relationship at lockup state and released state.
Fig. 4 is in order to the position of display switch cabinet procedure lock assembly under different conditions, when wherein solid line represents chassis locking, chassis vehicle drives the position of rod member and interlock plate, and dotted line represents that cabinet door is closed, chassis unlocks and circuit breaker when shaking to service position, chassis vehicle drives the position of rod member and interlock plate.
Fig. 5 is the schematic diagram after the combination of mechanical interlocks shown in Fig. 1, and in order to the draw out switchgear cabinet with this mechanical interlocks to be described.
Label declaration
10 cabinet door lock assemblies
12 turning arms
14 driving shaft locking plates
16 chassis vehicle jam plates
162 locking bars
20 procedure lock assemblies
22 chassis
222 dead bolts
224 keys
23 lock boxes
236 interlocking board slots
24 interlocking bolts
26 interlock plates
262 locked grooves
28 chassis vehicles drive rod member
282 first bars
284 second bars
285 fixing holes
286 connecting holes
30 carrier frame header boards
50 chassis vehicle driving shafts
52 propeller shaft sleeves
60 chassis vehicle drive plates
Embodiment
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described, label identical in the various figures represents identical or structural similarity but the identical parts of function.
For making simplified form, only schematically show part related to the present invention in each figure, they do not represent its practical structures as product.In addition, be convenient to make simplified form understand, there are the parts of same structure or function in some figure, only schematically depict one of them, or only marked one of them.
" rod member " represents an independent bar in this article, or the leverage connected by a plurality of bar." connection ", " fixing ", " installation " represent directly " connection ", " fixing ", " installation " in this article, or via " connection ", " fixing ", " installation " of the third party.
In the mechanical interlocks of the draw out switchgear cabinet shown in Fig. 1, mechanical interlocks comprises one and is arranged on chassis vehicle jam plate 16, chassis 22, interlocking bolt 24 on the chassis vehicle driving shaft 50 of switch cubicle and an interlock plate 26, wherein chassis 22, interlocking bolt 24 and interlock plate 26 configuration program lock set 20.In procedure lock assembly 20, the dead bolt 222 of chassis 22 is fixedly connected with one end of interlocking bolt 24, and interlock plate 26 offers a locked groove 262, interlocking bolt 24 can be located in locked groove 262.One end of interlock plate 26 can drive one end of rod member 28 to be connected with chassis vehicle further, and chassis vehicle drives the other end of rod member 28 can be connected with chassis vehicle drive plate 60.
Fig. 3 is in order to the chassis 22 of read-me lock set, interlocking bolt 24 and interlock plate 26 position relationship at lockup state and released state, what (a) wherein in Fig. 3 showed is lockup state, when chassis 22 is in lockup state, dead bolt 222 stretches out, now dead bolt 222 is locked in locked groove 262 just, interlock plate 26 cannot move, and interlocking bolt 24 is inserted between chassis vehicle jam plate 16 and carrier frame header board 30 (see Fig. 5) and engages chassis vehicle jam plate 16, make it cannot axially moving towards carrier frame header board 30 along chassis vehicle driving shaft 50.Propeller shaft sleeve 52 (see Fig. 5) is fixed on chassis vehicle jam plate 16, thus cannot move equally to expose by its operating side of chassis vehicle driving shaft 50 of covering.The chassis vehicle being connected to interlock plate 26 one end like this drives rod member 28 (see Fig. 1) to move, and chassis vehicle driving shaft 50 also cannot rotate simultaneously.As shown in (b) in Fig. 3, when chassis 22 is placed in released state by key 224, dead bolt 222 is retracted, and the interlocking bolt 24 be now connected with dead bolt 222 is placed in locked groove 262, and interlock plate 26 can move along the direction shown in arrow.Now, chassis vehicle jam plate 16 can move along the axial of chassis vehicle driving shaft 50 towards carrier frame header board 30, thus exposes the operating side of the chassis vehicle driving shaft 50 that driven shaft cover 52 covers.Chassis vehicle driving shaft 50 can be shaken make circuit breaker move to service position (or moving to test position from service position) from test position by operating grip (not shown) is connected with this operating side.Now, the chassis vehicle be connected with chassis vehicle drive plate 60 drives rod member 28 to promote interlock plate 26 and moves.Like this, when interlock plate 26 is in off-position, dead bolt 222 cannot stretch out, and namely chassis 22 cannot locking.Connection and the movement relation of chassis vehicle driving shaft 50 and chassis vehicle drive plate 60 can adopt the existing structure of any one, therefore repeat no more.In the exemplary embodiment shown in Fig. 1, interlock plate 26 is located in a pair interlocking board slot 236 of lock box 23 (Fig. 1 illustrate only one of them).But interlock plate 26 also can adopt other mounting means, as long as interlock plate 26 can move under chassis 22 released state.
In the execution mode shown in Fig. 1, chassis vehicle drives rod member 28 to comprise the first bar 282 and the second bar 284, one end of interlock plate 26 is connected with one end of the first bar 282, the other end of the first bar 282 is connected with one end of the second bar 284, the other end of the second bar 284 is connected to chassis vehicle drive plate 60 by connecting hole 286, wherein the second bar 284 is also provided with a fixing hole 285, after fixing hole 285 is fixed, the second bar 284 can rotate around fixing hole 285.
A pair turning arm 12 and a pair driving shaft locking plate 14 form cabinet door lock assembly 10, and wherein driving shaft locking plate 14 can locking or release chassis vehicle jam plate 16.Refer to Fig. 2, (a) wherein in Fig. 2 shows the state of cabinet door lock assembly 10 when cabinet door (not shown) is opened.Now, the groove (see Fig. 1) of driving shaft locking plate 14 is stuck between chassis vehicle jam plate 16 and carrier frame header board 30 (see Fig. 5), and chassis vehicle jam plate 16 and propeller shaft sleeve 52 fixing with it cannot be moved along the axial of chassis vehicle driving shaft 50 towards carrier frame header board 30.Turning arm 12 is corresponding with driving shaft locking plate 14, and one end of turning arm 12 is free end, and can be controlled by cabinet door (not shown), the other end is resisted against on driving shaft locking plate 14, thus contacts with driving shaft locking plate 14.During closing switch cabinet door, cabinet door applies the power shown in the direction of arrow in a figure at the free end of turning arm 12, as shown in (b) in Fig. 2, now turning arm 12 rotates, one end that turning arm 12 contacts with driving shaft locking plate 14 promotes driving shaft locking plate 14 and moves, and driving shaft locking plate 14 discharges chassis vehicle jam plate 16.Now, chassis vehicle jam plate 16 can move along the axial of chassis vehicle driving shaft 50 towards carrier frame header board 30, thus exposes the operating side of the chassis vehicle driving shaft 50 that driven shaft cover 52 covers.Chassis vehicle driving shaft 50 can be shaken make circuit breaker move to service position (or moving to test position from service position) from test position by operating grip (not shown) is connected with this operating side.When adopting this structure that cabinet door can be avoided not close, operator shakes the possibility of chassis vehicle driving shaft 50.Wherein, the connection of cabinet door and switch cubicle can use any one existing structure and method.It will be understood by those skilled in the art that the Drive Structure of cabinet door can be corresponding protruding or similar structures, when cabinet door closes, described projection or similar structures are positioned at the position contacted with the free end of turning arm 12.
Although in the exemplary embodiment shown in Fig. 1, cabinet door lock assembly 10 has two turning arms 12 and two driving shaft locking plates 14, and along arranging with the direction of chassis vehicle driving shaft 50 radial symmetric, to reaching better locking effect.But a turning arm 12 and a corresponding driving shaft locking plate 14 are only set, also can locking chassis vehicle jam plate 16 and chassis vehicle driving shaft 50.
Fig. 4 in order to the position of display switch cabinet procedure lock assembly under different conditions, wherein solid line be depicted as that cabinet door is not closed, chassis locking time, chassis vehicle drives the position of rod member and interlock plate.If operator opens chassis 22 with key 224, can shake chassis vehicle driving shaft 50, now chassis vehicle drive plate 60 drives circuit breaker (not shown) to move along direction shown in arrow B, and circuit breaker shifts to service position from test position.As shown in phantom in Figure 4, along with the motion of chassis vehicle drive plate 60, the second bar 284 rotates around fixing hole 285 position, and the first bar 282 also rotates thereupon, and promotes interlock plate 26 and move along the direction shown in arrow A, until circuit breaker moves to service position.Although disclose chassis vehicle to drive a kind of schematic structure of rod member 28 in Fig. 1 and Fig. 4, other realizes interlock plate 26 when chassis vehicle drive plate 60 moves along arrow B along the move structure of (or in contrast) of arrow A is also feasible.
In this mechanical interlocks, only again get back to the test position shown in Fig. 4 solid line at circuit breaker, chassis 22 just can locking again, and when interlock plate 26 is in other position, due to the stop of interlock plate 26, the dead bolt 222 of chassis 22 cannot normally stretch out, thus ensure that to only have circuit breaker to be returned to test position ability locking chassis 22.Fig. 5 has the schematic structure of the draw out switchgear cabinet of above-mentioned mechanical interlocks in order to display, and it illustrate only part related to the present invention, not the complete structure of draw out switchgear cabinet.As shown in Figure 5, draw out switchgear cabinet comprises carrier frame header board 30, cabinet door (not drawing in figure), chassis vehicle driving shaft 50, chassis vehicle drive plate 60, cabinet door lock assembly and procedure lock assembly.Chassis vehicle jam plate 16 and chassis 22 are fixed on carrier frame header board 30, and chassis vehicle driving shaft 50 is arranged on chassis vehicle jam plate 16, and chassis vehicle drives one end of rod member 28 to be connected with chassis vehicle drive plate 60.Propeller shaft sleeve 52 is fixed on chassis vehicle jam plate 16, and for covering the operating side of chassis vehicle driving shaft 50.When mechanical interlocks is in released state, by update handle, this operating side is exposed.Meanwhile, this operating grip connects this operating side, and then shakes into by shake operating grip or shake out chassis vehicle, makes circuit breaker move to service position (or moving to test position from service position) from test position.When operating grip does not insert, the operating side of chassis vehicle driving shaft 50 all the time driven shaft cover 52 is covered, and this is realized by the spring be such as resisted against on chassis vehicle jam plate 16.
It will be understood by those skilled in the art that cabinet door lock assembly 10 of the present invention and procedure lock assembly 20 both can be used alone also can use simultaneously.When to adopt Mechanically programm's lock set 10 of said structure and procedure lock assembly 20 and draw out switchgear cabinet simultaneously, mechanical interlocks can be ensured only when cabinet door is closed and procedure lock unlocks, just can shake into or shake out chassis vehicle, circuit breaker is moved between test position and service position; Meanwhile, also only when circuit breaker gets back to test position, procedure lock could locking again, thus effectively avoids the exercise void that causes because of misoperation in use procedure or breakdown loss.
Simultaneously, lock for door of switch cabinet and chassis are all arranged on carrier frame header board, they can not the change of occurrence positions along with the movement of circuit breaker, make only when cabinet door is in closed condition, the chassis that ability operating breaker is in running order, and then avoid the security incident now opened cabinet door and may cause.In the present invention, before so-called " header board " refers to that this plate is positioned at chassis vehicle on the extraction direction of switch cubicle.
In this article, " schematically " expression " serves as example, example or explanation ", not should by being described to any diagram of " schematically " in this article, execution mode is interpreted as a kind of preferred or have more the technical scheme of advantage.
A series of detailed description listed is above only illustrating for possible embodiments of the present invention; they are also not used to limit the scope of the invention, all do not depart from the skill of the present invention Equivalent embodiments done of spirit or change all should be included within protection scope of the present invention.
Claims (6)
1. the mechanical interlocks of draw out switchgear cabinet, comprise a chassis vehicle jam plate (16), this chassis vehicle jam plate is arranged on the chassis vehicle driving shaft (50) of described switch cubicle, it is characterized in that:
Described mechanical interlocks also comprises:
A chassis (22),
One is fixed on the interlocking bolt (24) on the dead bolt (222) of described chassis, and
An interlock plate (26), this interlock plate offers a locked groove (262), when described chassis is in lockup state, described dead bolt is locked in this locked groove and described interlocking bolt engages described chassis vehicle jam plate, and when described chassis is in released state, dead bolt (222) is retracted, and described interlocking bolt to enter in described locked groove and discharges described chassis vehicle jam plate, and described interlock plate can be moved relative to described interlocking bolt.
2. mechanical interlocks as claimed in claim 1, wherein said mechanical interlocks also comprises:
At least one driving shaft locking plate (14), described driving shaft locking plate can engage or discharge described chassis vehicle jam plate, and
At least one turning arm (12), one end of described turning arm can be driven by the cabinet door of described switch cubicle, the other end of described turning arm is resisted against described driving shaft locking plate, and described turning arm can promote the direction motion of described driving shaft locking plate to the described chassis vehicle jam plate of release.
3. mechanical interlocks as claimed in claim 2, wherein said mechanical interlocks comprises turning arm described in a pair (12) and driving shaft locking plate (14) described in a pair, and described driving shaft locking plate is arranged along described chassis vehicle driving shaft radial symmetric.
4. mechanical interlocks as claimed any one in claims 1 to 3, wherein said mechanical interlocks also comprises a chassis vehicle and drives rod member (28), its one end is connected with described interlock plate, and the other end can be connected with the chassis vehicle drive plate (60) of described switch cubicle.
5. mechanical interlocks as claimed in claim 1, wherein said mechanical interlocks also comprises a lock box (23), and this lock box has a pair interlocking board slot (236), and described interlock plate can wear and be installed in described interlocking board slot.
6. a draw out switchgear cabinet, comprise a carrier frame header board (30), a cabinet door, chassis vehicle driving shaft (50), a chassis vehicle drive plate (60) and a mechanical interlocks, it is characterized in that:
Described mechanical interlocks is the mechanical interlocks in claim 1 to 5 described in any one, wherein chassis vehicle jam plate (16) and chassis (22) are fixed on described carrier frame header board, and described chassis vehicle driving shaft is arranged on described chassis vehicle jam plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110312565.XA CN103050900B (en) | 2011-10-14 | 2011-10-14 | The mechanical interlocks of draw out switchgear cabinet and draw out switchgear cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110312565.XA CN103050900B (en) | 2011-10-14 | 2011-10-14 | The mechanical interlocks of draw out switchgear cabinet and draw out switchgear cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103050900A CN103050900A (en) | 2013-04-17 |
| CN103050900B true CN103050900B (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110312565.XA Active CN103050900B (en) | 2011-10-14 | 2011-10-14 | The mechanical interlocks of draw out switchgear cabinet and draw out switchgear cabinet |
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| CN (1) | CN103050900B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904577B (en) * | 2013-08-23 | 2016-02-24 | 华荣科技股份有限公司 | Interlocking device and the vacuum distribution equipment comprising it |
| CN105703232B (en) * | 2016-04-26 | 2017-10-20 | 乐清致轩电气有限公司 | A kind of breaker interlocking mechanism |
| CN111799689B (en) * | 2020-07-29 | 2023-07-07 | 青岛鼎信工业安全设备有限公司 | Maintenance safety interlocking method for human body completely entering equipment |
| CN111834142B (en) * | 2020-08-06 | 2022-07-19 | 伊顿电力设备有限公司 | Interlocking device for switch cabinet and switch cabinet |
| CN116154664B (en) * | 2023-04-18 | 2023-06-27 | 江苏国控电力设备有限公司 | Mechanical interlocking device of draw-out type switch cabinet and draw-out type switch cabinet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0226532A2 (en) * | 1985-12-20 | 1987-06-24 | Siemens Aktiengesellschaft | Electrical switching cubicle with a racking drive for a movable switching apparatus |
| US6545234B1 (en) * | 2001-12-18 | 2003-04-08 | Abb Technology | Circuit breaker with mechanical interlock |
| CN101188348A (en) * | 2006-11-24 | 2008-05-28 | 三菱电机株式会社 | Stretching type breaker and stretching handle for the same |
| CN101764370A (en) * | 2010-01-18 | 2010-06-30 | 无锡新宏泰电器科技股份有限公司 | Unlocking mechanism of draw-out circuit breaker |
| CN201608453U (en) * | 2010-01-18 | 2010-10-13 | 无锡新宏泰电器科技股份有限公司 | Unlocking mechanism of withdrawable breaker |
-
2011
- 2011-10-14 CN CN201110312565.XA patent/CN103050900B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0226532A2 (en) * | 1985-12-20 | 1987-06-24 | Siemens Aktiengesellschaft | Electrical switching cubicle with a racking drive for a movable switching apparatus |
| US6545234B1 (en) * | 2001-12-18 | 2003-04-08 | Abb Technology | Circuit breaker with mechanical interlock |
| CN101188348A (en) * | 2006-11-24 | 2008-05-28 | 三菱电机株式会社 | Stretching type breaker and stretching handle for the same |
| CN101764370A (en) * | 2010-01-18 | 2010-06-30 | 无锡新宏泰电器科技股份有限公司 | Unlocking mechanism of draw-out circuit breaker |
| CN201608453U (en) * | 2010-01-18 | 2010-10-13 | 无锡新宏泰电器科技股份有限公司 | Unlocking mechanism of withdrawable breaker |
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| CN103050900A (en) | 2013-04-17 |
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