CN101789567B - Valve mechanism of switch cabinet - Google Patents
Valve mechanism of switch cabinet Download PDFInfo
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- CN101789567B CN101789567B CN2010101304985A CN201010130498A CN101789567B CN 101789567 B CN101789567 B CN 101789567B CN 2010101304985 A CN2010101304985 A CN 2010101304985A CN 201010130498 A CN201010130498 A CN 201010130498A CN 101789567 B CN101789567 B CN 101789567B
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- switch cabinet
- cabinet
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Abstract
The invention relates to a valve mechanism of a switch cabinet, comprising a middle clapboard, fixed pulleys, ropes, upper and lower valves and lower valve operating mechanisms which are fixedly arranged on cabinets at the left and right sides of the middle clapboard and are connected with the lower valve, wherein each lower valve operating mechanism comprises a master connecting rod with one end rotatably arranged on the cabinet at the left or right side of the middle clapboard, a resetting device which is arranged between the cabinet and the master connecting rod and realizes resetting of the master connecting rod driven by external force to rotate, a handcart force applied portion which is arranged on the master connecting rod and is used for a push board of the handcart to apply force to the master connecting rod so as to drive the master connecting rod to rotate, and a slave connecting rod with one end hinged with one end of the lower valve at the same side and the other end hinged with the other end of the master connecting rod; and driven by the master connecting rod, the slave connecting rod drives the lower valve to move up and down. The valve mechanism has simple structure, long service life and good synchronicity.
Description
Technical field
The present invention relates to a kind of shutter mechanism of switch cabinet, specifically, is a kind ofly to push or pull out and realize automatically beating opening or closing the valve mechanism that closes with handcart.
Background technology
Valve mechanism is the part of withdraw-type ac metal closing switch gear and control appliance, has two convertible positions.In the enable possition, the moving contact that it allows to remove parts engages with charged fixed contact.In off-position, it becomes the part of dividing plate or shell, covers fixed contact.The kind of drive that the shutter mechanism of switch cabinet of prior art in realization, time valve is opened or close has connecting rod transmission, the transmission of chain connecting rod and gear connecting rod transmission etc., and Chinese patent document CN2773954Y has proposed a kind of pulley drive mechanism of high-tension switch cabinet valve, by the guide plate frame; Movable pulley in the guide plate frame, fixed pulley, rope fixing pin are equipped with the lower whorl bridge of lower sheave, be equipped with top sheave go up the wheel bridge; The drop shot of balladeur train is housed down, the upper slide bar of balladeur train is housed, connect rope fixing pin, the steel wire rope II5 of balladeur train down through movable pulley etc. and two ends; Connect balladeur train down, go up the steel wire rope I17 of balladeur train through top sheave and two ends, be fixed on counterweight and push pedal on the balladeur train, above-mentioned structure is left and right symmetrical part and also is contained in cabinet handcart chamber and handcart both sides respectively; This invention have take up room little, transmission balance, rapid operation; Characteristics such as Installation and Debugging are convenient, and cost is low, but also have following shortcoming in actual use: 1, the upper and lower valve of the shutter mechanism of switch cabinet of this invention closes; The full gravity that leans on the counterweight that is suspended on rope one end spurs on the upper and lower valve that is suspended on the rope other end and other movable parts of being correlated with and moves; Shelter from pairing separately valve contact box fully until upper and lower valve and realize, therefore, in use; Rope all is in stressed bigger state always; Cause rope to elongate easily because of distortion, even fracture, thereby cause shutter mechanism of switch cabinet low useful life; 2, in this invention, when upper and lower valve was in unlatching or closed condition, shutter mechanism of switch cabinet lacked the mechanical interlocks that upper and lower valve state of living in is locked; When after handcart is released switch cubicle, overhauling; The upper and lower valve of closing can not be locked into closed condition, is opened artificially easily, particularly maintenance for a long time; Cause maintainer's mistakenly entering charged chamber or contact electrification position easily, have potential safety hazard.
Summary of the invention
For this reason; Technical problem to be solved by this invention is the counterweight that the upper and lower valve of the realization that is provided with on the shutter mechanism of switch cabinet of the prior art is closed; Increased the load of rope; Cause reduce the useful life of rope, thereby cause the problem of the reduction in useful life of shutter mechanism of switch cabinet, long shutter mechanism of switch cabinet of a kind of life-span is provided.
Further, a kind of shutter mechanism of switch cabinet with mechanical interlocks that upper and lower valve state of living in is locked is provided.
For solving the problems of the technologies described above, a kind of shutter mechanism of switch cabinet of the present invention comprises
Median septum forms upper and lower contact box hole on the said median septum;
Fixed pulley, said fixed pulley are provided with two, are installed in respectively on the cabinet of top, the said median septum left and right sides;
Rope, said rope are provided with two, and winding is on corresponding said fixed pulley respectively;
Upper and lower valve; One end of last valve and following valve homonymy is separately positioned on the two ends of said rope of homonymy, thus said go up valve and said valve down through winding moving up and down of the said rope on the said fixed pulley drive said on valve with said under the mobile realization of valve to the open and close in said upper and lower contact box hole;
Following valve-operation mechanism, said valve operating mechanism down is installed on the cabinet on said median septum left side and/or right side, and is connected with said valve down, controls said moving of valve down;
Said valve-operation mechanism down comprises:
Master connecting-rod, an end of said master connecting-rod can be rotatably set on the cabinet on said median septum left side and/or right side;
Resetting means, said resetting means are arranged between cabinet and the said master connecting-rod, are implemented in external force and drive resetting of the following said master connecting-rod that rotates;
The handcart force section, said handcart force section is arranged on the said master connecting-rod, and the push pedal that supplies handcart is rotated thereby drive said master connecting-rod the said master connecting-rod application of force;
From connecting rod, an end of a said end and said valve homonymy down from connecting rod is hinged, and the other end of the other end and said master connecting-rod is hinged, and under the driving of said master connecting-rod, said to drive said valve down from connecting rod upper and lower mobile.
Above-mentioned shutter mechanism of switch cabinet; Form on the said master connecting-rod valve be in open or the shangguan seco lockhole during closed condition with open the interlocking hole down; Said valve-operation mechanism down also comprises the interlock plate that is installed on the cabinet; Form on the relevant position of said interlock plate cooperate interlocking on close mating holes and open mating holes down, through in corresponding said interlocking hole and mating holes, blocking lever being set, realize interlocking.
Above-mentioned shutter mechanism of switch cabinet, said interlock plate form the position of mating holes towards said master connecting-rod protrusion, press close to said master connecting-rod so that said blocking lever is set.
Above-mentioned shutter mechanism of switch cabinet, said force section are to be arranged on the application of force axle on the side of handcart direction on the said master connecting-rod.
Above-mentioned shutter mechanism of switch cabinet, said application of force axle is provided with axle sleeve.
Above-mentioned shutter mechanism of switch cabinet also comprises the valve guide rail that is installed in the said median septum left and right sides, forms the mobile guide groove that leads to said upper and lower valve on the relevant position of said valve guide rail.
Above-mentioned shutter mechanism of switch cabinet; Also comprise the mount pad on the cabinet that is installed in the said median septum left and right sides; Has installation shaft on the said mount pad; One end of said master connecting-rod forms and is fit to the cover of turning round that said installation shaft passes, and turns round cooperating of cover through said installation shaft with said, and said master connecting-rod can be arranged on the said mount pad around said installation shaft rotationally.
Above-mentioned shutter mechanism of switch cabinet; Said resetting means is a torsion spring, and the spiral part of said torsion spring is enclosed within said turning round and puts, and non-helical part one end of said torsion spring is installed on the said mount pad; The other end is installed on the said master connecting-rod, realizes resetting to said master connecting-rod.
Above-mentioned shutter mechanism of switch cabinet, said valve operating mechanism down is provided with two covers, is installed in respectively on the cabinet of the said median septum left and right sides, and is connected with a said end of the homonymy of valve down, controls said moving of valve down.
Technique scheme of the present invention is compared prior art and is had the following advantages; 1, shutter mechanism of switch cabinet of the present invention is simple in structure, opens and closes when can realize upper and lower valve through the following valve operating mechanism that is provided with and the cooperation of going up the valve deadweight, does not need to be provided with in addition counterweight; Therefore; The rope load is little, not yielding fracture, the useful life of having improved shutter mechanism of switch cabinet; 2, shutter mechanism of switch cabinet of the present invention is provided with interlock, can lock valve opening and closed condition respectively, thus the maintainer's mistakenly entering charged chamber that prevents to cause or the security incident at contact electrification position because of misoperation.
Description of drawings
For content of the present invention is more clearly understood, below according to a particular embodiment of the invention and combine accompanying drawing, the present invention is done further detailed explanation, wherein
Fig. 1 is the stereogram of the exploded of shutter mechanism of switch cabinet of the present invention when valve is closed;
Fig. 2 is after shutter mechanism of switch cabinet of the present invention is removed right valve guide rail, the stereogram when valve is opened;
Fig. 3 is an A place partial enlarged drawing among Fig. 2;
Fig. 4 is the right view of shutter mechanism of switch cabinet of the present invention.
Reference numeral is expressed as among the figure: valve, 6-master connecting-rod, 7-are from connecting rod, 8-interlock plate, 9-application of force axle, 10-axle sleeve, 11-valve guide rail, 12-mount pad, 13-torsion spring under 1-median septum, 2-fixed pulley, 3-rope, the last valve of 4-, the 5-.
Embodiment
To shown in Figure 4, a kind of shutter mechanism of switch cabinet of present embodiment comprises median septum 1, forms upper and lower contact box hole on the said median septum 1 like Fig. 1;
Fixed pulley 2, said fixed pulley 2 is provided with two, is installed in respectively on the cabinet of top, said median septum 1 left and right sides;
Upper and lower valve; One end of last valve 4 and following valve 5 homonymies is separately positioned on the two ends of said rope 3 of homonymy, thus said go up valve 4 and said valve 5 down through winding moving up and down of the said rope 3 on the said fixed pulley 2 drive said on the mobile realization of valve 4 and said valve 5 down to the open and close in said upper and lower contact box hole;
Following valve-operation mechanism, said valve operating mechanism down is provided with two covers, is installed in respectively on the cabinet of said median septum 1 left and right sides, and is connected with a said end of the homonymy of valve 5 down, controls said moving of valve 5 down.
Said valve-operation mechanism down comprises:
Master connecting-rod 6, an end of said master connecting-rod 6 can be rotatably set on the cabinet of said median septum 1 left and right sides;
Resetting means, said resetting means are arranged between cabinet and the said master connecting-rod 6, are implemented in external force and drive resetting of the following said master connecting-rod 6 that rotates;
Handcart force section, said handcart force section are arranged on the said master connecting-rod 6, and the push pedal that supplies handcart is rotated thereby drive said master connecting-rod 6 said master connecting-rod 6 application of forces;
From connecting rod 7, an end of a said end and said valve 5 homonymies down from connecting rod 7 is hinged, and the other end of the other end and said master connecting-rod 6 is hinged, and under the driving of said master connecting-rod 6, said to drive said valve down 5 from connecting rod 7 upper and lower mobile.
In order to prevent to cause the generation of the potential safety hazard that maintainer's mistakenly entering charged chamber or contact electrification position exist because of misoperation; Form on the said master connecting-rod 6 valve be in open or the shangguan seco lockhole during closed condition with open the interlocking hole down; Said valve-operation mechanism down also comprises the interlock plate 8 that is installed on the cabinet; Form on the relevant position of said interlock plate 8 cooperate interlocking on close mating holes and open mating holes down; Through in corresponding said interlocking hole and mating holes, blocking lever being set, realize interlocking.Said interlock plate 8 forms the position of mating holes towards said master connecting-rod 6 protrusions, presses close to said master connecting-rod 6 so that said blocking lever is set.
In the present embodiment, said force section is to be arranged on the application of force axle 9 on the side of handcart direction on the said master connecting-rod 6.Said application of force axle 9 is provided with axle sleeve 10.Also comprise the valve guide rail 11 that is installed in said median septum 1 left and right sides, form the mobile guide groove that leads on the relevant position of said valve guide rail 11 said upper and lower valve.Also comprise the mount pad 12 on the cabinet that is installed in said median septum 1 left and right sides; Has installation shaft on the said mount pad 12; One end of said master connecting-rod 6 forms and is fit to the cover of turning round that said installation shaft passes; Turn round cooperating of cover through said installation shaft with said, said master connecting-rod 6 can be arranged on the said mount pad 12 around said installation shaft rotationally.In the present embodiment; Said resetting means is a torsion spring 13, and the spiral part of said torsion spring 13 is enclosed within said turning round and puts, and non-helical part one end of said torsion spring 13 is installed on the said mount pad 12; The other end is installed on the said master connecting-rod 6, realizes resetting to said master connecting-rod 6.
The course of work of shutter mechanism of switch cabinet of the present invention;
The opening process of valve:
When handcart pushed, the push pedal of handcart both sides acted on the application of force axle 9 of shutter mechanism of switch cabinet, overcame the torsion spring power of torsion spring 13; Master connecting-rod 6 is rotated around installation shaft; Thereby valve 5 moves downward along valve guide rail 11 through driving down from connecting rod 7, and the following valve contact box hole from median septum 1 is removed, simultaneously; The following valve 5 of rope 3 one ends moves down; Cause moving on the last valve 4 of rope 3 other ends, make that going up valve 4 removes from the following valve contact box hole on the median septum 1, thereby realize the unlatching of upper and lower valve.
The pass closed procedure of valve:
When handcart is released; The external force that handcart acts on the application of force axle 9 of shutter mechanism of switch cabinet disappears, and the torsion spring power of torsion spring 13 makes master connecting-rod 6 reset and upwards rotates, thereby valve 5 moves upward along valve guide rail 11 through driving down from connecting rod 7; Cover the following valve contact box hole on the median septum 1; Simultaneously, move on the following valve 5 of rope 3 one ends, cause the last valve 4 of rope 3 other ends under the effect of self gravitation, to move down; Cover the last valve contact box hole on the median septum 1, thereby the unlatching that realizes upper and lower valve reaches the requirement that assurance system five prevents.
Obviously, the foregoing description only be for explanation clearly done for example, and be not qualification to execution mode.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the invention.
Claims (9)
1. a shutter mechanism of switch cabinet comprises
Median septum (1) forms upper and lower contact box hole on the said median septum (1);
Fixed pulley (2), said fixed pulley (2) is provided with two, is installed in respectively on the cabinet of top, said median septum (1) left and right sides;
Rope (3), said rope (3) is provided with two, and winding is on corresponding said fixed pulley (2) respectively;
Upper and lower valve; One end of last valve (4) and following valve (5) homonymy is separately positioned on the two ends of said rope (3) of homonymy, said go up valve (4) and said valve (5) down through moving up and down of the said rope (3) of winding on said fixed pulley (2) drive said go up valve (4) with said valve (5) down thus mobile realization to the open and close in said upper and lower contact box hole;
Following valve-operation mechanism, said valve-operation mechanism down is installed on the cabinet on said median septum (1) left side and/or right side, and is connected with said valve (5) down, controls said moving of valve (5) down;
It is characterized in that:
Said valve-operation mechanism down comprises:
Master connecting-rod (6), an end of said master connecting-rod (6) can be rotatably set on the cabinet on said median septum (1) left side and/or right side;
Resetting means, said resetting means are arranged between cabinet and the said master connecting-rod (6), are implemented in external force and drive resetting of following said master connecting-rod (6) of rotating;
Handcart force section, said handcart force section are arranged on the said master connecting-rod (6), and the push pedal that supplies handcart is rotated thereby drive said master connecting-rod (6) said master connecting-rod (6) application of force;
From connecting rod (7), an end of a said end and said valve (5) homonymy down from connecting rod (7) is hinged, and the other end of the other end and said master connecting-rod (6) is hinged, and under the driving of said master connecting-rod (6), said to drive said valve (5) down from connecting rod (7) upper and lower mobile.
2. shutter mechanism of switch cabinet according to claim 1; It is characterized in that: form the shangguan seco lockhole of valve when being in closed condition on the said master connecting-rod (6); Following unlatching interlocking hole when being in opening with valve; Said valve-operation mechanism down also comprises the interlock plate (8) that is installed on the cabinet; Form on the relevant position of said interlock plate (8) cooperate interlocking on close mating holes and open mating holes down, through in corresponding said interlocking hole and mating holes, blocking lever being set, realize interlocking.
3. shutter mechanism of switch cabinet according to claim 2 is characterized in that: said master connecting-rod (6) is pressed close to so that said blocking lever is set towards said master connecting-rod (6) protrusion in the position that forms mating holes of said interlock plate (8).
4. shutter mechanism of switch cabinet according to claim 1 is characterized in that: said force section is for being arranged on the application of force axle (9) on the side of handcart direction on the said master connecting-rod (6).
5. shutter mechanism of switch cabinet according to claim 4 is characterized in that: said application of force axle (9) is provided with axle sleeve (10).
6. according to each described shutter mechanism of switch cabinet among the claim 1-5; It is characterized in that: also comprise the valve guide rail (11) that is installed in said median septum (1) left and right sides, form the mobile guide groove that leads on the relevant position of said valve guide rail (11) said upper and lower valve.
7. according to each described shutter mechanism of switch cabinet among the claim 1-5; It is characterized in that: also comprise the mount pad (12) on the cabinet that is installed in said median septum (1) left and right sides; Said mount pad has installation shaft on (12); One end of said master connecting-rod (6) forms and is fit to the cover of turning round that said installation shaft passes, and turns round cooperating of cover through said installation shaft with said, and said master connecting-rod (6) can be arranged on the said mount pad (12) around said installation shaft rotationally.
8. shutter mechanism of switch cabinet according to claim 7; It is characterized in that: said resetting means is torsion spring (13); The spiral part of said torsion spring (13) is enclosed within said turning round and puts; Non-helical part one end of said torsion spring (13) is installed on the said mount pad (12), and the other end is installed on the said master connecting-rod (6), realizes resetting to said master connecting-rod (6).
9. shutter mechanism of switch cabinet according to claim 1; It is characterized in that: said valve-operation mechanism down is provided with two covers; Be installed in respectively on the cabinet of said median septum (1) left and right sides, and be connected, control said moving of valve (5) down with a said end of the homonymy of valve (5) down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101304985A CN101789567B (en) | 2010-03-11 | 2010-03-11 | Valve mechanism of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101304985A CN101789567B (en) | 2010-03-11 | 2010-03-11 | Valve mechanism of switch cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101789567A CN101789567A (en) | 2010-07-28 |
| CN101789567B true CN101789567B (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101304985A Active CN101789567B (en) | 2010-03-11 | 2010-03-11 | Valve mechanism of switch cabinet |
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| CN (1) | CN101789567B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014533079A (en) * | 2011-10-31 | 2014-12-08 | ゼネラル・エレクトリック・カンパニイ | Overlap protection shutter device for electrical equipment |
Families Citing this family (8)
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| CN102184785B (en) * | 2011-03-03 | 2013-10-16 | 深圳市泰永电气科技有限公司 | Novel automatic isolation baffle device, and bypass switch and switch electrical appliance using automatic isolation baffle device |
| EP2672591B1 (en) * | 2012-06-08 | 2018-01-10 | ABB Schweiz AG | Shutter device for an electrical switchgear panel, and related switchgear panel |
| CN102856831B (en) * | 2012-10-09 | 2015-06-24 | 江苏南瑞帕威尔电气有限公司 | Movable door mechanism of high voltage switch cabinet |
| 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 |
| CN105356318B (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 combines |
| CN106654962A (en) * | 2017-02-24 | 2017-05-10 | 福建南平闽延电气设备有限公司 | High-voltage cabinet fixed contact safety protection structure and working method thereof |
| CN109473898B (en) * | 2018-11-07 | 2020-11-20 | 平高集团有限公司 | Switch cabinet and valve mechanism thereof |
| CN113036653B (en) * | 2021-05-06 | 2023-07-07 | 上海电气集团股份有限公司 | Safety isolation device for switch cabinet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2443513Y (en) * | 2000-10-08 | 2001-08-15 | 汕头经济特区南粤电器有限公司 | Safety movable door device for movable switch cabinet |
| CN201188516Y (en) * | 2008-04-29 | 2009-01-28 | 福州天一同益电气有限公司 | Combined mechanism for switch cabinet shutter |
| CN101630817A (en) * | 2009-06-09 | 2010-01-20 | 温州新机电气配套有限公司 | central-placed type high-voltage switch cabinet |
| CN201629515U (en) * | 2010-03-11 | 2010-11-10 | 华仪电气股份有限公司 | Switch cabinet valve mechanism |
-
2010
- 2010-03-11 CN CN2010101304985A patent/CN101789567B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014533079A (en) * | 2011-10-31 | 2014-12-08 | ゼネラル・エレクトリック・カンパニイ | Overlap protection shutter device for electrical equipment |
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| CN101789567A (en) | 2010-07-28 |
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Effective date of registration: 20230908 Granted publication date: 20120118 |