CN201340983Y - Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve - Google Patents
Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve Download PDFInfo
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- CN201340983Y CN201340983Y CNU2008202066056U CN200820206605U CN201340983Y CN 201340983 Y CN201340983 Y CN 201340983Y CN U2008202066056 U CNU2008202066056 U CN U2008202066056U CN 200820206605 U CN200820206605 U CN 200820206605U CN 201340983 Y CN201340983 Y CN 201340983Y
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- valve
- crank
- automatic locking
- switch cabinet
- cabinet
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Abstract
An automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve is characterized in that an upper shaft sleeve and a lower shaft sleeve (6, 7) are respectively fixed on an upper crank and a lower crank (4, 5) of upper and lower crank slide block guide rail mechanisms (2) of upper and lower valves (3), the upper and lower crank shaft sleeves can mutually and rotationally superposed and nested on a fixed crankshaft (8) extended from the lateral wall of the cabinet in sliding manner; an axial long gap (9) communicated with inner hole is machined on the external end part of each crank shaft sleeve; a horizontal rocker (11) is vertically hinged with the middle of a bracket (10) extended from the lateral wall of the cabinet, the clamp plate end (12) of the rocker is corresponding to axial long gaps of crank shaft sleeves which are superposed and nested together in sliding manner, the other control lever end (13) is positioned in the gate way of valve press plate (22) of a breaker mounted in the switch cabinet; a reset spring (15) is also arranged between the rocker and the lateral wall of cabinet. The automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve has enforceable safety protection effect, simple structure and low price.
Description
Technical field
The utility model relates to the fool proof interlock of armored withdraw type metal enclosed switch cabinet in a kind of power transmission and distribution industry, especially relates to a kind of automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve.
Background technology
Generally adopt valve on the armored withdraw type metal enclosed switchgear, the valve design is for making its turnover that is controlled by circuit breaker close automatically or open, also promptly when circuit breaker when the service position is pulled out to test position, the automatic up-downgoing of valve is opened up and down, otherwise, when circuit breaker shake to the service position from test position fashionable, automatic down up the closing of valve up and down.So guarantee safety.
The valve that generally adopts on the armored withdraw type metal enclosed switchgear of existing 3.6～24kV generally is designed to valve up and down, the vertical guide set up of valve and the right and left symmetry constitutes slide block guide rail mechanism up and down, make that valve can slide up and down up and down, be arranged with crank connecting link on the switch cubicle sidewall of valve both sides up and down, the other end of crank connecting link constitutes slider-crank mechanism with valve is hinged up and down.When circuit breaker was pulled out or push, valve opened or closed about the crank of valve made about can promoting respectively.That is to say, do not have automatic locking apparatus, when circuit breaker is in when removing the position, valve can arbitrarily be opened, and the fixed contact of valve back may be charged, if the maintainer does not note or arbitrarily opens valve, there is the danger that touches high-voltage charged body, thereby electric shock accidents takes place.
Valve can arbitrarily be opened this problem and be paid attention to by the user gradually, and the initial way that solves has two kinds: the one, on valve plate, be printed on caution symbol or tip of the text; The 2nd, on the valve arrangement transmission crank arm, install padlock additional.But two kinds of methods do not obtain general application, though that reason is a first method is simple, it can not play enforceable effect, and the maintainer is because electric shock accidents may take place for misoperation and valve is opened.Though second method can play enforceable effect, if adopt common padlock then comparatively random, and there is not operating sequence, if adopt expensive program padlock, then not that the general user can bear.
The new device content
In order to overcome the deficiencies in the prior art part; the utility model provides a kind of automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve, and when circuit breaker is in when removing the position, valve can not be opened; can play enforceable safeguard protection effect, and simple in structure cheap.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve, comprise the vertical guide formation slide block guide rail mechanism that sets up with the right and left symmetry, the valve up and down that can slide up and down, be arranged with crank connecting link up and down up and down on the switch cubicle sidewall of valve both sides, the other end of crank connecting link is with valve is hinged up and down, constitute slider-crank mechanism up and down, it is characterized in that:
Respectively be fixed with upper and lower axle sleeve on the upper and lower crank of described upper and lower slider-crank mechanism, upper and lower crank axle sleeve can superpose rotationally mutually and slide on the fixed crank axle that stretches out from the cabinet sidewall;
On the excircle of the outer end of each crank axle sleeve, have the axial long nick that is deep to endoporus;
One is vertically hinged on the horizontal rocking bar on the support that stretches out from the cabinet sidewall from the centre, one clamp end slides over the axial long nick of each crank axle sleeve together corresponding to stack, and another control rod end is in the valve pressing plate turnover road of the circuit breaker that is installed in the switch cubicle; Also cross out the valve depression bar in the valve pressing plate turnover road of the circuit breaker of corresponding position in being installed in switch cubicle on the described crank, be with axle sleeve on the depression bar; Also be provided with reset tension spring between rocking bar and cabinet sidewall.
On the basis of the above, the utility model also can be done further perfect:
Described fixed crank shaft end is fixed with split ring, and opening direction is corresponding to the axial elongated slot of crankshaft end;
Described fixed crank axle has axial elongated slot from the excircle of end;
Be with the reduction torsion spring of valve up and down on the described fixed crank axle;
The other end bending of described rocking bar makes progress, and boom end also is provided with pinch roller.
The operation principle process of this device:
The valve power resources of opening are in the valve pressing plate that is contained in circuit breaker up and down,
When circuit breaker was pulled out, the valve pressing plate left the depression bar of valve up and down that is in its turnover road, and valve is closed under the effect of reduction torsion spring up and down.
During design, make that upper and lower crank is horizontal, the axial long hole groove alignment of the axle sleeve of crank up and down that inside and outside stack is nested together when valve up and down in off position the time; Rocking bar clamp end connected just and was stuck in the axial long hole groove of two crank axle sleeves this moment, and crank is locked can not to rotate, and valve is also just locked up and down, prevents the unlatching of maintainer to valve, ensures maintainer's personal safety.
Beneficial effect: valve automatic locking apparatus of the present utility model; all make mechanical connection, on reliability and security performance, be guaranteed, can play enforceable safeguard protection effect with connecting rod; and simple in structure cheap, thereby the reliability service of the feed electricity that effectively ensures.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is one of structural upright schematic diagram of the utility model embodiment;
Fig. 2 is that the upper and lower crank axle cover stack of embodiment slides over the schematic diagram on the crank axle;
Fig. 3 is the cross-sectional schematic of Fig. 2;
Fig. 4 is the crank axle schematic diagram;
Fig. 5 is that schematic diagram is looked on the right side of Fig. 4;
Fig. 6 goes up crank axle sleeve schematic diagram;
Fig. 7 is that schematic diagram is looked on the right side of Fig. 6;
Fig. 8 is a lower crank axle sleeve schematic diagram;
Fig. 9 is that schematic diagram is looked on the right side of Fig. 8;
Figure 10 is the split ring schematic diagram;
Figure 11 is that schematic diagram is looked on the right side of Figure 10;
Figure 12 is the local enlarged diagram of the stereochemical structure of the utility model embodiment;
Figure 13 be the utility model embodiment perspective view two;
Figure 14 be the utility model embodiment perspective view three.
Among the figure: the 1-vertical guide, 2-crank block guide rail mechanism, 3-is valve up and down, the last crank of 4-, the 5-lower crank, 6-Upper shaft sleeve, 7-Lower shaft sleeve, 8-crank axle, the axial long nick of 9-, 10-rocker bracket, 11-rocking bar, 12-rocking bar clamp end, 13-rocking bar control rod end, 15-reset tension spring, 16-split ring, the axial elongated slot of 17-crank axle, 18-valve depression bar, 19-depression bar axle sleeve, the 20-reduction torsion spring, 21-pinch roller, 22-valve pressing plate.
Embodiment
Extremely shown in Figure 14 as Fig. 1, the automatic locking apparatus embodiment of armored withdraw type metal enclosed switch cabinet valve of the present utility model, comprise the vertical guide 1 formation slide block guide rail mechanism that sets up with the right and left symmetry, the valve up and down 3 that can slide up and down, be arranged with crank connecting link up and down up and down on the switch cubicle sidewall of valve 3 both sides, the other end of crank connecting link constitutes crank block guide rail mechanism 2 up and down with valve is hinged up and down.
On the upper and lower crank 4,5 of upper and lower crank block guide rail mechanism 2, be fixed with upper and lower axle sleeve 6,7 separately, upper and lower crank axle sleeve 6,7 can superpose rotationally mutually and slide on the fixed crank axle 8 that stretches out from the cabinet sidewall, wherein go up crank axle sleeve 6 and be enclosed within on the crank axle 8, lower crank axle sleeve 7 is enclosed within again outside the crank axle sleeve 6; On the excircle of the outer end of crank axle sleeve 6,7, all have the axial long nick 9 that is deep to endoporus up and down; Fixed crank axle 8 is from the excircle of end, have axial elongated slot 17, fixed crank axle 8 ends have been screwed split ring 16, crank axle sleeve 6,7 also is that upper and lower crank 4,5 is limited in fixed crank axle 8 inner ends up and down, and split ring 16 opening directions are corresponding to the axial elongated slot 17 of crankshaft end.
At upper and lower crank 4,5, also cross out the valve depression bar 18 in the valve pressing plate 22 turnover roads of the circuit breaker of corresponding position in being installed in switch cubicle, be with axle sleeve 19 on the depression bar.
The one horizontal rocking bar 11 that is vertically hinged on the support 10 that stretches out from the cabinet sidewall is arranged, and horizontal rocking bar 11 is hinged on the support 10 from the centre, and two stretches out two end bars, and one is that clamp end 12, two is control rod end 13.
During design, make when valve up and down in off position the time, upper and lower crank 4,5 is horizontal, and the axial long nick 9 of the axle sleeve of crank up and down 6,7 that inside and outside stack is nested together and the axial elongated slot 17 of fixed crank axle 8 just align; The clamp end 12 of horizontal rocking bar 11 is just in time corresponding to be stuck in the axial long nick 9 of the axial elongated slot 17 of fixed crank axle 8 and the axle sleeve of crank up and down that inside and outside stack is nested together, and lower crank is locked on this moment can not rotate, and valve is also just locked up and down.
Another control rod end 13 bendings of horizontal rocking bar 11 make progress, and boom end also is provided with pinch roller 21, are in the valve pressing plate 22 turnover roads of the circuit breaker that is installed in the switch cubicle.
When circuit breaker pushes, valve pressing plate 22 can at first be oppressed the pinch roller 21 that is in its turnover road, the clamp end 12 of therefrom hinged horizontal rocking bar 11 is swung around pin joint, clamp end 12 withdraws from the axial long nick 9 of the axial elongated slot 17 of fixed crank axle 8 and the axle sleeve of crank up and down that inside and outside stack is nested together, and device is unlocked.
The valve pressing plate 22 of circuit breaker continues to advancing to advance, compressing valve depression bar 18, and 4,5 on the upper and lower crank of upper and lower slider-crank mechanism is around 8 backswings of fixed crank axle thus, makes that valve 3 can slide up and down up and down to open.
Be with the reduction torsion spring 20 of valve 3 up and down on the fixed crank axle 8, when circuit breaker was pulled out, valve pressing plate 22 left the depression bar of valve up and down that is in its turnover road, and valve is closed under the effect of reduction torsion spring 20 up and down; Valve pressing plate 22 breaks away from pinch roller 21 again afterwards, and horizontal rocking bar 11 resets under the effect of reset tension spring 15, again from neocaine in the axial long nick 9 of crank axle sleeve up and down, valve is also just by from new locking up and down.
Claims (6)
1, a kind of automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve, comprise vertical guide (1) the formation slide block guide rail mechanism that sets up with the right and left symmetry, the valve up and down (3) that can slide up and down, be arranged with crank connecting link up and down up and down on the switch cubicle sidewall of valve both sides, the other end of crank connecting link is with valve is hinged up and down, constitute crank block guide rail mechanism (2) up and down, it is characterized in that:
Respectively be fixed with upper and lower axle sleeve (6,7) on the upper and lower crank of described upper and lower crank block guide rail mechanism (2) (4,5), upper and lower crank axle sleeve (6,7) can superpose rotationally mutually and slide on the fixed crank axle (8) that stretches out from the cabinet sidewall;
On the excircle of the outer end of each crank axle sleeve (6,7), have the axial long nick (9) that is deep to endoporus;
One is vertically hinged on the horizontal rocking bar (11) on the support (10) that stretches out from the cabinet sidewall from the centre, one clamp end (12) slides over the axial long nick (9) of each crank axle sleeve together corresponding to stack, and another control rod end (13) is in valve pressing plate (22) the turnover road of the circuit breaker that is installed in the switch cubicle; The described valve depression bar of going up in valve pressing plate (22) the turnover road that also crosses out the circuit breaker of corresponding position in being installed in switch cubicle on the lower crank (4,5) (18); Also be provided with reset tension spring (15) between rocking bar (11) and cabinet sidewall.
2, the automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve according to claim 1 is characterized in that: described fixed crank axle (8) has axial elongated slot (17) from the excircle of end.
3, the automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve according to claim 2, it is characterized in that: described fixed crank axle (8) end is fixed with split ring (16), and opening direction is corresponding to the axial elongated slot (17) of crankshaft end.
4, the automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve according to claim 3 is characterized in that: be with axle sleeve (19) on the described valve depression bar (18).
6, the automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve according to claim 5 is characterized in that: be with the reduction torsion spring (20) of valve (3) up and down on the described fixed crank axle (8).
7, the automatic locking apparatus of armored withdraw type metal enclosed switch cabinet valve according to claim 6 is characterized in that: the other end bending of described rocking bar (11) makes progress, and boom end also is provided with pinch roller (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202066056U CN201340983Y (en) | 2008-12-31 | 2008-12-31 | Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202066056U CN201340983Y (en) | 2008-12-31 | 2008-12-31 | Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340983Y true CN201340983Y (en) | 2009-11-04 |
Family
ID=41236526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202066056U Expired - Lifetime CN201340983Y (en) | 2008-12-31 | 2008-12-31 | Automatic locking device for withdrawing metal-clad and metal-closed switch cabinet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201340983Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356319A (en) * | 2015-11-20 | 2016-02-24 | 芜湖金牛电气股份有限公司 | Switch cabinet high-voltage interface protection cap |
| CN106953260A (en) * | 2017-05-10 | 2017-07-14 | 河南森源电气股份有限公司 | A kind of switch cubicle and its valve drive mechanism with auto-lock function |
-
2008
- 2008-12-31 CN CNU2008202066056U patent/CN201340983Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105356319A (en) * | 2015-11-20 | 2016-02-24 | 芜湖金牛电气股份有限公司 | Switch cabinet high-voltage interface protection cap |
| CN105356319B (en) * | 2015-11-20 | 2018-07-31 | 芜湖金牛电气股份有限公司 | Switchgear high voltage interface protection cap |
| CN106953260A (en) * | 2017-05-10 | 2017-07-14 | 河南森源电气股份有限公司 | A kind of switch cubicle and its valve drive mechanism with auto-lock function |
| CN106953260B (en) * | 2017-05-10 | 2019-06-14 | 河南森源电气股份有限公司 | A kind of switchgear and its valve drive mechanism with self-locking function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 510460 Guangdong, Baiyun District, Guangzhou City, South Hill Road, No. 18 Patentee after: Guangzhou Baiyun Electric Equipment Co., Ltd. Address before: 510460 Guangdong province Guangzhou City Ling Jiang Town, mountain road No. 18 Patentee before: Guangzhou Baiyun Electric Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20091104 |
|
| CX01 | Expiry of patent term |