CN202008948U - Operation mechanism of combined electrical appliance cabinet for SF6 load switch fuse protector - Google Patents
Operation mechanism of combined electrical appliance cabinet for SF6 load switch fuse protector Download PDFInfo
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- CN202008948U CN202008948U CN2011201255372U CN201120125537U CN202008948U CN 202008948 U CN202008948 U CN 202008948U CN 2011201255372 U CN2011201255372 U CN 2011201255372U CN 201120125537 U CN201120125537 U CN 201120125537U CN 202008948 U CN202008948 U CN 202008948U
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Abstract
The utility model discloses an operation mechanism of a combined electrical appliance cabinet for an SF6 load switch fuse protector. The operation mechanism comprises a main switch operation mechanism, a grounded switch operation mechanism and a spring energy accumulation operation mechanism and is characterized in that the spring energy accumulation operation mechanism comprises a main switch drive component, a grounded switch drive component and a fuse tripping component, wherein the main switch drive component is connected with the main switch operation mechanism and the fuse tripping component respectively; and the grounded switch drive component is connected with the grounded switch operation mechanism. The operation mechanism has functions of closing and opening of the main switch and functions of the closing and the opening of the main switch and the grounded switch at the same time, so that the mechanical structure of the operation mechanism is greatly simplified, and the operation is simple, safe and reliable; a double-shaft operation mechanism is adopted by the operation mechanism, and a dual interlocking device is arranged between a main loop and a grounded loop, so that the safe performance of the electrical appliance cabinet can be improved; the fuse tripper is adopted to ensure that the main switch can automatically carry out the operation of tripping when the fuse is fused so as to ensure the safe operating of the electrical appliance cabinet.
Description
Technical field
The utility model relates to a kind of power distribution and protection equipment, more specifically to a kind of SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism.
Background technology
In existing SF6 on-load switch fuse combined electric apparatus cabinet, relatively Chang Yong operating mechanism is all to be spring energy-storage formula operating mechanism.Because spring energy-storage formula operating mechanism, the function that is realized has, and ground connection is closed, branch and main shaft close, divide.Its function is not concentrated, and lacks dual interlock and causes shortcomings such as safety issue, therefore causes shortcomings such as loading switch cabinet operating mechanism instability, poor reliability, failure rate height.
Summary of the invention
Goal of the invention: the utility model purpose is to overcome the deficiencies in the prior art, provide a kind of simple in structure, function is integrated, volume is little, the SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism of stable performance.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism, comprise main switch operating mechanism, earthed switch operating mechanism and spring energy-storage operating mechanism, it is characterized in that: described spring energy-storage operating mechanism comprises main switch driver part, earthed switch driver part and fusing escape parts, the main switch driver part connects main switch operating mechanism and fusing escape parts respectively, and the earthed switch driver part connects the earthed switch operating mechanism.
Wherein, the combined floodgate trip shaft that described main switch driver part comprises the combined floodgate sheet, the branch brake lining that connects the main switch operating mechanism that connect the main switch rotating shaft, the sheet that prevents to close a floodgate rotates and prevent the separating brake trip shaft that the branch brake lining rotates, divide brake lining to connect combined floodgate trip shaft, combined floodgate sheet, linkage by combined floodgate cam, extension spring, spring pressuring plate respectively, linkage is connected with the separating brake trip shaft; Described earthed switch driver part comprise the inverted cam that connects the earthed switch rotating shaft, connect the driving cam of earthed switch operating mechanism and be arranged on inverted cam and driving cam between connecting lever, be provided with the bearing pin that is used for dialling commentaries on classics driving cam and inverted cam in the connecting lever both sides, one end of connecting lever and stage clip is hinged, and the other end of stage clip is connected with the spring guide plate.
Wherein, described main switch operating mechanism comprises the main switch operating axis, is provided with the crank pull bar of tape guide groove on the main switch operating axis, is provided with the push rod that connects the combined floodgate sheet in the gathering sill of crank pull bar; Also comprise the branch brake cam that its rotation is threaded off that is arranged on separating brake trip shaft place.
Wherein, described earthed switch operating mechanism comprises the earthed switch operating axis that is connected with driving cam.
Wherein, described fusing escape parts comprise pull bar, the fuse push rod of an end connecting circuit cabinet inside of pull bar, and the other end of pull bar connects the separating brake trip shaft.
Wherein, described main switch driver part also comprises main switch gag lever post and the push rod that is arranged on restriction combined floodgate sheet both sides, and described push rod is fixed on the branch brake lining.
Wherein, described earthed switch driver part also comprises the earthed switch gag lever post that is arranged on the driving cam place.
Compare with existing spring energy-storage formula operating mechanism, the utlity model has following advantage:
1) operating mechanism possess simultaneously that main switch closes, separating brake function and earthed switch closes, the separating brake function, no longer need switch and earthed switch are provided with the spring energy-storage operating mechanism respectively, simplified the mechanical structure, simple to operate of operating mechanism greatly, and safe and reliable;
2) operating mechanism adopts the twin shaft operating structure, respectively to Electric Appliance Cabinet main switch and earthed switch close, sub-switching operation, and the dual interlock device is set between major loop and grounded circuit, improved the Electric Appliance Cabinet security performance;
3) fusing escape machine can guarantee that when fuse blows main switch carries out sub-switching operation automatically, has guaranteed the safe operation of Electric Appliance Cabinet.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is an end view of the present utility model.
Fig. 3 is earthed switch separating brake of the present utility model, main switch separating brake schematic diagram.
Fig. 4 is earthed switch separating brake of the present utility model, main switch energy storage schematic diagram.
Fig. 5 is earthed switch separating brake of the present utility model, main switch combined floodgate schematic diagram.
Fig. 6 is that earthed switch of the present utility model closes a floodgate, main switch separating brake schematic diagram.
Embodiment:
Below in conjunction with accompanying drawing the utility model is done further explanation.
As Fig. 1, shown in 2 and 3, SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism of the present utility model comprises the main switch operating mechanism, the earthed switch manipulator, the spring energy-storage operating mechanism, switch operating mechanism and earthed switch operating mechanism are arranged on the panel 1, the spring energy-storage operating mechanism is arranged between panel 1 and the backboard 2, the spring energy-storage operation comprises the main switch driver part, earthed switch driver part and fusing escape parts, the main switch driver part connects main switch operating mechanism and fusing escape parts respectively, and the earthed switch driver part connects the earthed switch operating mechanism.
The combined floodgate trip shaft 12 that the main switch driver part comprises the combined floodgate sheet 11, the branch brake lining 14 that connects the main switch operating mechanism that connect the main switch rotating shaft, the sheet 11 that prevents to close a floodgate rotates and prevent the separating brake trip shaft 12 that branch brake lining 14 rotates, divide brake lining 14 to connect combined floodgate trip shaft 12, combined floodgate sheet 11, linkage 4 by combined floodgate cam 6, extension spring 13, spring pressuring plate respectively, linkage 4 is connected with separating brake trip shaft 20; In order to prevent main switch rotating shaft rotation excessively, in the both sides of restriction combined floodgate sheet 11 main switch gag lever post 10 and the push rod 16 that limits its rotational angle is set respectively, push rod 16 is fixed on the branch brake lining 14.
The earthed switch driver part comprises that the inverted cam 19 that connects the earthed switch rotating shaft, the driving cam 18 that connects the earthed switch operating mechanism are arranged on the connecting lever between inverted cam 19 and the driving cam 18, be provided with the bearing pin 22 that is used for dialling commentaries on classics driving cam 18 and inverted cam 19 in the connecting lever both sides, one end of connecting lever and stage clip 17 is hinged, and the other end of stage clip 17 is connected with spring guide plate 15.In order to prevent earthed switch rotating shaft rotation excessively, be provided with the earthed switch gag lever post 23 that limits its rotational angle at inverted cam 19 places.
The main switch operating mechanism comprises main switch operating axis 3, on main switch operating axis 3, be provided with the crank pull bar 8 of tape guide groove, be provided with the push rod 7 that connects branch brake lining 14 in the gathering sill of crank pull bar 8, separating brake trip shaft 20 limits are provided with a branch brake cam 5 that its rotation is threaded off.
The earthed switch operating mechanism comprises the earthed switch operating axis 9 that is connected with driving cam 18.
Fusing escape parts comprise pull bar 21, the fuse push rod of an end connecting circuit cabinet inside of pull bar 21, and the other end of pull bar 21 connects separating brake trip shaft 20.
Shown in Fig. 3,4,5 and 6, when carrying out the earthed switch closing operation, manually pulling earthed switch operating axis 9 clockwise rotates, driving cam 18 on the earthed switch operating axis 9 drives bearing pin 22 and clockwise rotates, bearing pin 22 is extruding stage clip 17 constantly, along with earthed switch operating axis 9 continues to clockwise rotate, stage clip 17 releases energy in excessively, and drive the earthed switch rotating shafts by inverted cam 19 and clockwise rotate, when inverted cam 19 turns to the lower limit position of earthed switch gag lever post 23, extension spring 17 is released and can be finished, and earthed switch is in "on" position.
When carrying out the earthed switch closing operation, manually pulling earthed switch operating axis 9 rotates counterclockwise, driving cam 18 on the earthed switch operating axis 9 drives bearing pin 22 and rotates counterclockwise, bearing pin 22 is extruding stage clip 17 constantly, along with earthed switch operating axis 9 continues to rotate counterclockwise, stage clip 17 releases energy in excessively, and drive the earthed switch rotating shafts by inverted cam 19 and rotate counterclockwise, when inverted cam 19 turns to the upper limit position of earthed switch gag lever post 23, stage clip 17 is released and can be finished, and earthed switch is in gate-dividing state.
When carrying out the main switch closing operation, manually pulling main switch operating axis 3 clockwise rotates, crank pull bar 8 on the main switch operating axis 3 can promote push rod 7 and move right, push rod 7 drives and divides brake lining 14 to rotate counterclockwise, in this process, left side spring 13 elongates, 17 compressions of right side stage clip, combined floodgate trip shaft 12 clockwise rotates under the transmission of combined floodgate cam 6 and linkage 4 promotes, separating brake trip shaft 20 clockwise rotates under the effect of spring pressuring plate, when pull bar 8 promotes push rod 7 and divide brake lining 14 to move to position shown in the figure four, divide brake lining 14 to turn to separating brake trip shaft 20 places, and it is locked by separating brake trip shaft 20, combined floodgate sheet 11 is threaded off with combined floodgate trip shaft 12, and combined floodgate sheet 11 drives the main switch rotating shaft and turns clockwise fast under the tension of spring 13, prop up combined floodgate sheet 11 up to push rod 16,11 motions of combined floodgate sheet are stopped, and main switch is in "on" position.
When carrying out the main shaft sub-switching operation, pull manual brake separating cam 5 clockwise, promoting separating brake trip shaft 20 turns clockwise, thread off up to minute brake lining 14 and separating brake trip shaft 20, under stage clip 17 effects, promote to divide brake lining 14 to clockwise rotate, divide brake lining 14 to drive combined floodgate sheet 11 and be rotated counterclockwise by push rod 16, stop when the sheet 11 that closes a floodgate contacts with main switch gag lever post 10, main switch is in gate-dividing state.
Fusing dropout separating brake process is: after the line failure fuse blows, the fuse push rod drives separating brake trip shaft 20 by pull bar 21 and turns clockwise, thread off up to minute brake lining 14 and separating brake trip shaft 20, under stage clip 17 effects, promote to divide brake lining 14 to clockwise rotate, divide brake lining 14 to drive combined floodgate sheet 11 by push rod 16 and be rotated counterclockwise, stop when the sheet 11 that closes a floodgate contacts with main switch gag lever post 10, main switch is in gate-dividing state.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism, comprise main switch operating mechanism, earthed switch operating mechanism and spring energy-storage operating mechanism, it is characterized in that: described spring energy-storage operating mechanism comprises main switch driver part, earthed switch driver part and fusing escape parts, the main switch driver part connects main switch operating mechanism and fusing escape parts respectively, and the earthed switch driver part connects the earthed switch operating mechanism.
2. a kind of SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism according to claim 1, it is characterized in that: described main switch driver part comprises the combined floodgate sheet (11) that connects the main switch rotating shaft, the branch brake lining (14) that connects the main switch operating mechanism, the combined floodgate trip shaft (12) that the sheet (11) that prevents to close a floodgate rotates and prevent the separating brake trip shaft (12) of branch brake lining (14) rotation, divide brake lining (14) respectively by combined floodgate cam (6), extension spring (13), spring pressuring plate connects combined floodgate trip shaft (12), combined floodgate sheet (11), linkage (4), linkage (4) is connected with separating brake trip shaft (20); Described earthed switch driver part comprise the inverted cam (19) that connects the earthed switch rotating shaft, connect the driving cam (18) of earthed switch operating mechanism and be arranged on inverted cam (19) and driving cam (18) between connecting lever, be provided with the bearing pin (22) that is used for dialling commentaries on classics driving cam (18) and inverted cam (19) in the connecting lever both sides, one end of connecting lever and stage clip (17) is hinged, and the other end of stage clip (17) is connected with spring guide plate (15).
3. a kind of SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism according to claim 2, it is characterized in that: described main switch operating mechanism comprises main switch operating axis (3), on main switch operating axis (3), be provided with the crank pull bar (8) of tape guide groove, in the gathering sill of crank pull bar (8), be provided with the push rod (7) that connects combined floodgate sheet (14); Also comprise and be arranged on the branch brake cam (5) that its rotation is threaded off that separating brake trip shaft (20) is located.
4. a kind of SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism according to claim 2, it is characterized in that: described earthed switch operating mechanism comprises the earthed switch operating axis (9) that is connected with driving cam (18).
5. the operating mechanism of a kind of SF6 on-load switch fuse combined electric apparatus cabinet according to claim 2, it is characterized in that: described fusing escape parts comprise pull bar (21), the fuse push rod of one end connecting circuit cabinet inside of pull bar (21), the other end of pull bar (21) connects separating brake trip shaft (20).
6. a kind of SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism according to claim 2, it is characterized in that: described main switch driver part also comprises main switch gag lever post (10) and the push rod (16) that is arranged on restriction combined floodgate sheet (11) both sides, and described push rod (16) is fixed on the branch brake lining (14).
7. a kind of SF6 on-load switch fuse combined electric apparatus cabinet operating mechanism according to claim 2 is characterized in that: described earthed switch driver part also comprises and is arranged on the earthed switch gag lever post (23) that driving cam (18) is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201255372U CN202008948U (en) | 2011-04-26 | 2011-04-26 | Operation mechanism of combined electrical appliance cabinet for SF6 load switch fuse protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201255372U CN202008948U (en) | 2011-04-26 | 2011-04-26 | Operation mechanism of combined electrical appliance cabinet for SF6 load switch fuse protector |
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| Publication Number | Publication Date |
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| CN202008948U true CN202008948U (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201255372U Expired - Fee Related CN202008948U (en) | 2011-04-26 | 2011-04-26 | Operation mechanism of combined electrical appliance cabinet for SF6 load switch fuse protector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178450A (en) * | 2013-03-01 | 2013-06-26 | 无锡飞世龙机电有限公司 | Ring main unit grounding mechanism |
| WO2016041520A1 (en) * | 2014-09-18 | 2016-03-24 | 国家电网公司 | Operating mechanism and locking device thereof |
| CN106654905A (en) * | 2016-12-09 | 2017-05-10 | 国网北京市电力公司 | Electric control box |
-
2011
- 2011-04-26 CN CN2011201255372U patent/CN202008948U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178450A (en) * | 2013-03-01 | 2013-06-26 | 无锡飞世龙机电有限公司 | Ring main unit grounding mechanism |
| CN103178450B (en) * | 2013-03-01 | 2015-10-07 | 无锡飞世龙机电有限公司 | A kind of ring main unit earthing mechanism |
| WO2016041520A1 (en) * | 2014-09-18 | 2016-03-24 | 国家电网公司 | Operating mechanism and locking device thereof |
| CN106654905A (en) * | 2016-12-09 | 2017-05-10 | 国网北京市电力公司 | Electric control box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU YUCHENG YEJI ELECTRIC EQUIPMENT CO., LTD. Free format text: FORMER OWNER: NANJING YEJI ELECTRIC DEVICE CO., LTD. Effective date: 20141030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141030 Address after: Airport hub Economic Zone bell Jiangning Development Zone in Nanjing City, Jiangsu province 211151 crafts Road No. 4 Patentee after: Jiangsu Yucheng industry base electrical equipment Co., Ltd. Address before: Airport Development Zone Yicheng Industrial Park in Jiangning District of Nanjing City, Jiangsu province 211151 Patentee before: Nanjing Yeji Electric Device Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111012 Termination date: 20160426 |