CN102426969B - Three-station isolating switch three-position interlocking device - Google Patents
Three-station isolating switch three-position interlocking device Download PDFInfo
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- CN102426969B CN102426969B CN201110381419.2A CN201110381419A CN102426969B CN 102426969 B CN102426969 B CN 102426969B CN 201110381419 A CN201110381419 A CN 201110381419A CN 102426969 B CN102426969 B CN 102426969B
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Abstract
The invention discloses a three-station isolating switch three-position interlocking device which comprises a bracket. The bracket is provided with four travel switches, four pinch roller mechanisms and four positioning disks. The travel switches, the pinch roller mechanisms and the positioning disks respectively correspond to each other. The pinch roller mechanisms are positioned between the travel switches and the positioning disks. The pinch roller mechanisms are driven to rotate by the positioning disks. The pinch roller mechanisms are contacted with contacts of the travel switches. The interlocking device has small volume, simple and compact structure and high reliability, is convenient to install and operate and has a function of accurately and rapidly switching three switching-on, isolating and earthing positions. The operations of earthing isolation and isolating switching-on can be completed by the three-station isolating switch three-position interlocking device.
Description
Technical field
The invention belongs to electric elements manufacturing technology field, relate to a kind of interlock of three positions of tri-station isolating switch for gas-insulated high-voltage switchgear assembly.
Background technology
On existing gas-filling cabinet, the interlock of three positions of tri-station isolating switch is generally split typely, and volume is large, switch speed is slow, and reliability is low, installation, replacing, inconvenient debugging.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the object of this invention is to provide the interlock of three positions of a kind of tri-station isolating switch, have the advantages that volume is little, simple and compact for structure, reliability is high.
For achieving the above object, the technical solution adopted in the present invention is, the interlock of three positions of a kind of tri-station isolating switch, comprise support, four travel switches, four pressing wheel mechanisms and four positioning disks are installed on support, and travel switch, pressing wheel mechanism and positioning disk form corresponding one by one, and pressing wheel mechanism is between travel switch and positioning disk, positioning disk drives pressing wheel mechanism to rotate, and pressing wheel mechanism contacts with the contact of travel switch.
Support is formed a whole by the first support plate being connected successively, connecting plate, the second support plate and mounting panel, the first support plate and the second support plate be arranged in parallel, the two ends of connecting plate are affixed with the first support plate and the second support plate respectively, the first support plate and the second support plate arrange in the same way, and the other end and the mounting panel of the second support plate are affixed; On connecting plate, be processed with mounting groove along the length direction of connecting plate, on the first support plate, be processed with successively two row's installing holes along the direction away from connecting plate; On the second support plate, along being processed with successively three row's pin shaft holes away from the direction of connecting plate; Two row's pin shaft holes in this three rows pin shaft hole are corresponding with two row's installing holes, and form correspondence one by one, and corresponding pin shaft hole and installing hole coaxially arrange; Four travel switches are installed in mounting groove side by side.
Pressing wheel mechanism comprises the bent plate of " L " shape, on a limit of bent plate, be processed with through hole, in this through hole, be connected with the axle sleeve that length is greater than this limit thickness, the another side that stretches out direction and bent plate of axle sleeve in the same way, axle sleeve is connected with support by bearing pin, axle sleeve is sleeved on this bearing pin and can rotates around this bearing pin, and bent plate is not installed by the limit of axle sleeve and the contact of travel switch contacts.
Positioning disk comprises the positioning disk body of disc, is provided with the shake-up crimp of circular arc on the excircle of positioning disk body, and the central angle that touches crimp is 68.5 °, and the radius that touches crimp is greater than the radius of positioning disk body; Installation angle between the shake-up crimp of adjacent two positioning disks is 60 °, and positioning disk is connected with support by the 3rd bearing pin.
On positioning disk body, be processed with square opening, the 3rd bearing pin is square shaft, and the shape of the square opening on positioning disk body and the 3rd bearing pin matches.
Interlock of the present invention adopts the positioning disk with protruding shake-up crimp, by the shake-up crimp on positioning disk, drive pressing wheel mechanism to rotate, the work of promotion travel switch, complete the operation of " ground connection isolation " and " isolation is connected ", there is connection, isolation, three positions of ground connection function accurate, that switch fast, and volume is little, simple and compact for structure, reliability is high, fitting operation is convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of interlock of the present invention.
Fig. 2 is the structural representation of interlock medium-height trestle of the present invention.
Fig. 3 is the structural representation of pressing wheel mechanism in interlock of the present invention.
Fig. 4 is the structural representation of positioning disk in interlock of the present invention.
In figure, 1. mounting panel, 2. the first bearing pin, 3. the second bearing pin, 4. positioning sleeve, 5. the 3rd bearing pin, 6. switch closes positioning disk, 7. switch divides positioning disk, 8. ground connection is closed positioning disk, 9. ground connection is divided positioning disk, 10. pressing wheel mechanism, 11. travel switches, 12. first installing holes, 13. first pin shaft holes, 14. second pin shaft holes, 15. the 3rd pin shaft holes, 16. second installing holes, 17. first support plates, 18. connecting plates, 19. second support plates, 20 mounting grooves, 21. mounting panels, 22. bent plates, 23. axle sleeves, 24. positioning disk bodies, 25. location holes, 26. touch crimp, 27. the 3rd installing holes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
As shown in Figure 1, the structure of interlock of the present invention, comprise structure support 1 as shown in Figure 2, support 1 is comprised of the first support plate 17 being connected successively, connecting plate 18, the second support plate 19 and mounting panel 21, the first support plate 17 and the second support plate 19 be arranged in parallel, and one end of one end of the first support plate 17 and connecting plate 18 is affixed, and one end of the other end of connecting plate 18 and the second support plate 19 is affixed, the first support plate 17 and the second support plate 19 arrange in the same way, and the other end of the second support plate 19 and mounting panel 21 are affixed; Mounting panel 21 be arranged in parallel with connecting plate 18, and lays respectively at the both sides of the second support plate 19; The length of the second support plate 19 is greater than the length of the first support plate 17; The first support plate 17, connecting plate 18, the second support plate 19 and mounting panel 21 are as a whole; On connecting plate 18, be processed with mounting groove 20 along the length direction of connecting plate 18, the two ends of mounting groove 20 join with first class 17 and the second support plate 19 respectively.On the first support plate 17, along being processed with successively the first installing hole 12 and the 3rd installing hole 27, the first installing holes 12 away from the direction of connecting plate 18 for two of being arranged side by side, the 3rd installing hole 27 is two of being arranged side by side; On the second support plate 19, along being processed with successively the first pin shaft hole 13, the second pin shaft hole 14 and the 3rd pin shaft hole 15 away from the direction of connecting plate 18; The first pin shaft hole 13 is two that are arranged side by side, and the first pin shaft hole 13 is corresponding one by one with the first installing hole 12 formation, and the first corresponding pin shaft hole 13 and the first installing hole 12 coaxially arrange; The second pin shaft hole 14 is two that are arranged side by side, and the second pin shaft hole 14 is corresponding one by one with the 3rd installing hole 27 formation, and the second corresponding pin shaft hole 14 and the 3rd installing hole 27 coaxially arrange; On mounting panel 21, be processed with the second installing hole 16.
Four travel switches 11 are installed in mounting groove 20 side by side, and these four travel switches 11 are connected with support 1 by the first bearing pin 2, and the first bearing pin 2 is through the first pin shaft hole 13 and the first installing hole 12; Support 1 is also connected with four pressing wheel mechanisms 10 by the second bearing pin 3, the corresponding travel switch 11 of each pressing wheel mechanism 10, and pressing wheel mechanism 10 contacts with the contact of travel switch 11, and the second bearing pin 3 is through the second pin shaft hole 14 and the 3rd installing hole 27.The structure of pressing wheel mechanism 10 as shown in Figure 3, the bent plate 22 that comprises " L " shape, on a limit of bent plate 22, be processed with through hole, in this through hole, be connected with the axle sleeve 23 that length is greater than this limit thickness, the another side that stretches out direction and bent plate 22 of axle sleeve 23 in the same way, axle sleeve 23 is set on the second bearing pin 3, and can rotate by the second bearing pin 3, and the limit that bent plate 22 is not installed axle sleeve 23 contacts with the contact of travel switch 11.
One end that the 3rd bearing pin 5, the three bearing pins 5 are installed in the 3rd pin shaft hole 15 is connected with the 3rd pin shaft hole 15, and the other end of the 3rd bearing pin 5 is free end, and the 3rd bearing pin 5 is square shaft; On the 3rd bearing pin 5, along being set with successively towards the direction of the second support plate 19, switch closes positioning disk 6, switch divides positioning disk 7, ground connection to divide positioning disk 9 and ground connection to close positioning disk 8, switch closes positioning disk 6 and switch divides between positioning disk 7, switch divides that positioning disk 7 and ground connection are divided between positioning disk 9, ground connection divides positioning disk 9 and ground connection to close between positioning disk 8 to be equipped with positioning sleeve 4, and positioning sleeve 4 is set on the 3rd bearing pin 5.Switch close positioning disk 6, switch divide positioning disk 7, ground connection divide positioning disk 9 and ground connection close positioning disk 8 respectively with four pressing wheel mechanisms 10 in a formation corresponding one by one, the position of each positioning disk is relative with the installation axle sleeve 23 in corresponding pressing wheel mechanism 10 respectively.
It is identical that switch closes the structure that positioning disk 6, switch divide positioning disk 7, ground connection to divide positioning disk 9 and ground connection to close positioning disk 8, its structure as shown in Figure 4, the positioning disk body 24 that comprises disc, is processed with square opening on positioning disk body 24, and the shape of this square opening and the 3rd bearing pin 5 matches; On the excircle of positioning disk body 24, be provided with protruding shake-up crimp 26, touching crimp 26 is circular arc, and the central angle of this circular arc is 68.5 °, and the radius that touches crimp 26 is greater than the radius of positioning disk body 24; Installation angle between the shake-up crimp 26 of adjacent two positioning disks is 60 °.
The 3rd bearing pin 5 is connected with the worm screw of tri-station isolating switch mechanism, by the second installing hole 16, this interlock is arranged on isolating switch mechanism, this worm screw drives the 3rd bearing pin 5 to rotate, the 3rd bearing pin 5 drives switch to close positioning disk 6, switch divides positioning disk 7, ground connection divides positioning disk 9 and ground connection to close positioning disk 8 rotations, axle sleeve 23 in shake-up crimp 26 on these four positioning disks pressing wheel mechanism 10 corresponding with each positioning disk is contacted, and promote axle sleeve 23 and rotate, and then drive pressing wheel mechanism 10 to rotate, by bent plate 22, realize travel switch 11 actions, finally realize travel switch 11 quick actings, specific operation process is as follows:
1) " isolation → ground connection " operation: this interlock is in isolation, worm screw drives the 3rd bearing pin 5 to rotate, make ground connection close positioning disk 8 along the B direction rotation shown in Fig. 1, the shake-up crimp 26 that ground connection is closed positioning disk 8 and axle sleeve 23 contacts in corresponding pressing wheel mechanism 10, touching within the scope of the central angle of crimp 26, bent plate 22 promotes travel switch 11 actions; When ground connection, close angle that positioning disk 8 rotates while exceeding the central angle that touches crimp 26, ground connection is closed positioning disk 8 and is disengaged with travel switch 11, and travel switch 11 recovers natures, realizes " isolation → ground connection " and operates.
2) " isolation → connection " operation: this interlock is in isolation, worm screw drives the 3rd bearing pin 5 to rotate, make switch close positioning disk 6 along the A direction rotation shown in Fig. 1, the shake-up crimp 26 that switch closes positioning disk 6 contacts with the axle sleeve 23 in corresponding pressing wheel mechanism 10, touching within the scope of the central angle of crimp 26, bent plate 22 promotes travel switch 11 actions; When switch closes angle that positioning disk 6 rotates while exceeding the central angle that touches crimp 26, switch closes positioning disk 6 and disengages with travel switch 11, and travel switch 11 recovers natures, realizes " isolation → connection " and operates.
3) " ground connection → isolation " operation: this interlock is in ground state, worm screw drives the 3rd bearing pin 5 to rotate, make ground connection divide positioning disk 9 along the A direction rotation shown in Fig. 1, the shake-up crimp 26 that ground connection is divided positioning disk 9 and axle sleeve 23 contacts in corresponding pressing wheel mechanism 10, touching within the scope of the central angle of crimp 26, bent plate 22 promotes travel switch 11 actions, when ground connection divides the angle of positioning disk 9 rotations to exceed the central angle that touches crimp 26, travel switch 11 recovers, and realizes " ground connection → isolation " operation.
4) " connect → isolation " operation: this interlock is in on-state, worm screw drives the 3rd bearing pin 4 to rotate, make switch divide positioning disk 7 along the B direction rotation shown in Fig. 1, the shake-up crimp 26 that switch divides positioning disk 7 and axle sleeve 23 contacts in corresponding pressing wheel mechanism 10, touching within the scope of the central angle of crimp 26, bent plate 22 promotes travel switch 11 actions, when switch divides the angle of positioning disk 7 rotations to exceed the central angle that touches crimp 26, travel switch 11 recovers, and realizes " connecting → isolation " operation.
This interlock volume is little, simple and compact for structure, reliability is high, fitting operation is convenient, has connection, isolation, three positions of ground connection function accurate, that switch fast, can complete the operation of " ground connection isolation " and " isolation is connected ".
Claims (2)
1. an interlock for three positions of tri-station isolating switch, is characterized in that, comprises support (1), and four travel switches (11), four pressing wheel mechanisms (10) and four positioning disks are installed on support (1);
Described support (1) is formed a whole by the first support plate (17) being connected successively, connecting plate (18), the second support plate (19) and mounting panel (21), the first support plate (17) be arranged in parallel with the second support plate (19), the two ends of connecting plate (18) are affixed with the first support plate (17) and the second support plate (19) respectively, the first support plate (17) and the second support plate (19) arrange in the same way, and the other end of the second support plate (19) and mounting panel (21) are affixed; Connecting plate (18) is upper, along the length direction of connecting plate (18), be processed with mounting groove (20), and the first support plate (17) is upper, along the direction away from connecting plate (18), be processed with successively two row's installing holes; The second support plate (19) is upper, edge is processed with three row's pin shaft holes successively away from the direction of connecting plate (18); Two row's pin shaft holes in this three rows pin shaft hole are corresponding with two row's installing holes, and form correspondence one by one, and corresponding pin shaft hole and installing hole coaxially arrange; Four travel switches (11) are installed in mounting groove (20) side by side;
Described pressing wheel mechanism (10) comprises the bent plate (22) of " L " shape, on a limit of bent plate (22), be processed with through hole, in this through hole, be connected with the axle sleeve (23) that length is greater than this limit thickness, the another side that stretches out direction and bent plate (22) of axle sleeve (23) in the same way, axle sleeve (23) is connected with support (1) by bearing pin, axle sleeve (23) is sleeved on this bearing pin and can rotates around this bearing pin, the limit that bent plate (22) is not installed axle sleeve (23) contacts with the contact of travel switch (11), the corresponding travel switch (11) of each pressing wheel mechanism (10),
Described positioning disk comprises the positioning disk body (24) of disc, on the excircle of positioning disk body (24), be provided with the shake-up crimp (26) of circular arc, the central angle that touches crimp (26) is 68.5 °, and the radius that touches crimp (26) is greater than the radius of positioning disk body (24); Installation angle between the shake-up crimp (26) of adjacent two positioning disks is 60 °, and positioning disk is connected with support (1) by the 3rd bearing pin (5), and positioning disk drives pressing wheel mechanism (10) to rotate.
2. the interlock of three positions of tri-station isolating switch according to claim 1, it is characterized in that, on described positioning disk body (24), be processed with square opening, the 3rd bearing pin (5) is square shaft, and the shape of the square opening on positioning disk body (24) and the 3rd bearing pin (5) matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381419.2A CN102426969B (en) | 2011-11-27 | 2011-11-27 | Three-station isolating switch three-position interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110381419.2A CN102426969B (en) | 2011-11-27 | 2011-11-27 | Three-station isolating switch three-position interlocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102426969A CN102426969A (en) | 2012-04-25 |
| CN102426969B true CN102426969B (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110381419.2A Active CN102426969B (en) | 2011-11-27 | 2011-11-27 | Three-station isolating switch three-position interlocking device |
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| CN (1) | CN102426969B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485250B (en) * | 2014-11-20 | 2018-03-27 | 平高集团有限公司 | Three station operating mechanisms and its power transmission shaft |
| CN106653457B (en) * | 2016-11-23 | 2018-06-26 | 国家电网公司 | Tri-station isolating switch and its position detecting device, detection axis |
| CN107564759B (en) * | 2017-09-30 | 2020-05-19 | 上海纳杰电气成套有限公司 | Manual three-station operating mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3484849B2 (en) * | 1995-12-25 | 2004-01-06 | 株式会社明電舎 | Switchgear |
| CN2840304Y (en) * | 2005-11-16 | 2006-11-22 | 河南森源电气股份有限公司 | Indoor high-voltage three-station isolating switch |
| CN201278326Y (en) * | 2008-10-07 | 2009-07-22 | 廖明厚 | Manual operation interlocking apparatus for high-voltage switch three-position mechanism |
| CN201829404U (en) * | 2010-10-15 | 2011-05-11 | 常熟市通润开关厂有限公司 | Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7902480B2 (en) * | 2007-06-13 | 2011-03-08 | Hitachi, Ltd. | Vacuum insulated switchgear |
-
2011
- 2011-11-27 CN CN201110381419.2A patent/CN102426969B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3484849B2 (en) * | 1995-12-25 | 2004-01-06 | 株式会社明電舎 | Switchgear |
| CN2840304Y (en) * | 2005-11-16 | 2006-11-22 | 河南森源电气股份有限公司 | Indoor high-voltage three-station isolating switch |
| CN201278326Y (en) * | 2008-10-07 | 2009-07-22 | 廖明厚 | Manual operation interlocking apparatus for high-voltage switch three-position mechanism |
| CN201829404U (en) * | 2010-10-15 | 2011-05-11 | 常熟市通润开关厂有限公司 | Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
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| CN102426969A (en) | 2012-04-25 |
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