CN110829256B - Switch cabinet with relatively moving isolation - Google Patents
Switch cabinet with relatively moving isolation Download PDFInfo
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- CN110829256B CN110829256B CN201911116930.2A CN201911116930A CN110829256B CN 110829256 B CN110829256 B CN 110829256B CN 201911116930 A CN201911116930 A CN 201911116930A CN 110829256 B CN110829256 B CN 110829256B
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- plate
- upper supporting
- isolation
- lifting
- plates
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
- H02B11/04—Isolating-contacts, e.g. mountings or shieldings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
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Abstract
The invention discloses a switch cabinet isolated by relative movement, wherein an isolating device comprises a lifting drive plate arranged on the rear side wall of a cabinet frame in a lifting way; a plurality of vertically arranged driving connecting rods are formed on the lower end face of the lifting driving plate; a pair of driving connecting rods which are arranged symmetrically left and right are arranged between a pair of adjacent upper supporting plates; the leftmost driving connecting rod is positioned on the left side of the leftmost upper supporting plate; the rightmost driving connecting rod is positioned on the right side of the rightmost upper supporting plate; the lower end of the driving connecting rod is hinged with a fan-ring-shaped isolation plate; a plurality of pairs of guide grooves are formed on the rear side wall of the cabinet frame; one end of the isolating plate close to the rear end faces of the left and right isolating plates of the same upper supporting plate is formed with a cylindrical lower guide post matched with the guide groove; the lower guide posts are arranged in the guide grooves on the corresponding sides in a sliding mode.
Description
Technical Field
The invention relates to the field of switch cabinets, in particular to a switch cabinet with relatively moving isolation.
Background
As is well known, a load switch or a suspension type disconnecting switch is installed in a conventional medium voltage switchgear, and in order to isolate a static contact and a live part of the load switch or the suspension type disconnecting switch during an overhaul process of the switchgear, so as to reliably isolate a part requiring power failure from the live part, measures generally taken in the prior art are as follows: after the switchgear is opened, the insulation barrier is then inserted manually by the service personnel directly into the switch isolation interruption. However, since this insertion is performed by the equipment maintenance personnel manually touching the insulating partition after the equipment is opened, it is necessary to bring a certain safety hazard to the equipment maintenance personnel.
Therefore, how to ensure the personal safety of the equipment maintenance personnel in the operation process is a problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a relatively movable isolated switch cabinet aiming at the technical problem that potential safety hazards exist in the switch cabinet.
The technical scheme for solving the technical problems is as follows: a switch cabinet with relative movement isolation comprises a cabinet frame with an opening at the right end, a plurality of static contacts, a plurality of moving contacts and an isolation device; a plurality of upper supporting plates which are uniformly distributed on the left and the right are formed on the rear side wall of the cabinet frame; the static contact is arranged on the lower end face of the upper supporting plate; the moving contact is arranged right below the static contact in a lifting manner; the isolation device comprises a lifting driving plate which is arranged on the rear side wall of the cabinet frame in a lifting way; the lifting drive plate is positioned right above the upper support plate; a plurality of vertically arranged driving connecting rods are formed on the lower end face of the lifting driving plate; a pair of driving connecting rods which are arranged symmetrically left and right are arranged between a pair of adjacent upper supporting plates; the leftmost driving connecting rod is positioned on the left side of the leftmost upper supporting plate; the rightmost driving connecting rod is positioned on the right side of the rightmost upper supporting plate; the driving connecting rods on the left side and the right side of the same upper supporting plate are arranged in bilateral symmetry relative to the upper supporting plate; the lower end of the driving connecting rod is hinged with a fan-ring-shaped isolation plate; the isolation plates on the left side and the right side of the same upper supporting plate are arranged in a bilateral symmetry manner; the rotating central shaft of the isolating plate is positioned at the upper side of the isolating plate; a plurality of pairs of guide grooves are formed on the rear side wall of the cabinet frame; the guide groove is in a fan ring groove shape, and the rotating central shaft of the guide groove is positioned at the upper side of the guide groove; each pair of guide grooves are coaxially arranged and are arranged symmetrically left and right relative to the static contact and the moving contact on the corresponding side; one end of the isolating plate close to the rear end faces of the left and right isolating plates of the same upper supporting plate is formed with a cylindrical lower guide post matched with the guide groove; the lower guide post is arranged in the guide groove on the corresponding side in a sliding manner; the isolation plate is an insulation plate; when the lifting driving plate is positioned at the lowest end, the ends, close to the isolation plates, of the left side and the right side of the same upper supporting plate are abutted; when the lifting drive plate is positioned at the uppermost end, a gap between one ends, close to the isolating plates, of the left side and the right side of the same upper supporting plate is used for the moving contact to vertically pass through.
Preferably, the hinged end of the isolation plate is formed with a semi-cylindrical surface; the distance between the rotating central shafts of a pair of driving connecting rods between a pair of adjacent upper supporting plates is twice of the radius of the semi-cylindrical surface of the partition plate; the semi-cylindrical surfaces of a pair of partition plates between a pair of adjacent upper supporting plates are tangent.
Preferably, a cylindrical upper vertical guide rod is formed on the upper end surface of the upper support plate; the lifting drive plate is vertically sleeved on the upper vertical guide rod; a limiting support plate is formed at the upper right corner of the rear side wall of the cabinet frame; the limiting support plate is screwed with a limiting bolt; the right-hand member face of lift drive plate and the left end face parallel and level of spacing backup pad and the shaping has the screw hole with spacing bolt complex on the right-hand member face of lift drive plate.
Preferably, when the adjacent ends of the left and right spacers of the same upper support plate abut against each other, the lifting drive plate abuts against the upper end surface of the upper support plate.
Preferably, an upper stop block is formed at the upper end of the upper vertical guide rod; when the threaded hole of the lifting drive plate is over against the limiting bolt, the upper end face of the lifting drive plate abuts against the upper stop block.
Preferably, the inner cylindrical surfaces of the left and right spacers of the same upper support plate are rounded.
The invention has the beneficial effects that: after the moving contact and the static contact are separated, the isolation plate is positioned between the moving contact and the static contact to play an isolation role so as to ensure the personal safety in the operation process.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a right-view structural schematic diagram of the present invention;
3 FIG. 33 3 is 3 a 3 schematic 3 structural 3 view 3 of 3 the 3 cross 3 section 3 A 3- 3 A 3 of 3 FIG. 32 3 according 3 to 3 the 3 present 3 invention 3; 3
Fig. 4 is a schematic front view of the isolation structure of the present invention.
In the figure, 10, a cabinet frame; 100. a guide groove; 11. an upper support plate; 111. an upper vertical guide rod; 112. an upper stop block; 12. a limiting support plate; 20. static contact; 30. an isolation device; 31. lifting the driving plate; 311. a drive link; 32. a separator plate; 321. a lower guide post; 33. a limit bolt; 40. moving contact.
Detailed Description
As shown in fig. 1 to 4, a switch cabinet with relatively moving isolation comprises a cabinet frame 10 with an opening at the right end, a plurality of fixed contacts 20, a plurality of movable contacts 40 and an isolation device 30; a plurality of upper supporting plates 11 which are uniformly distributed on the left and the right are formed on the rear side wall of the cabinet frame 10; the static contact 20 is arranged on the lower end surface of the upper support plate; the moving contact 40 is arranged right below the static contact 20 in a lifting way; the isolation device 30 includes a lifting driving plate 31 which is arranged on the rear side wall of the cabinet frame 10 in a lifting way; the lifting driving plate 31 is positioned right above the upper supporting plate 11; a plurality of vertically arranged driving connecting rods 311 are formed on the lower end surface of the lifting driving plate 31; a pair of driving connecting rods 311 which are arranged in bilateral symmetry are arranged between a pair of adjacent upper supporting plates 11; the leftmost driving link 311 is positioned at the left side of the leftmost upper support plate 11; the rightmost driving link 311 is positioned at the right side of the rightmost upper support plate 11; the driving connection rods 311 on the left and right sides of the same upper support plate 11 are arranged in bilateral symmetry with respect to the upper support plate 11; the lower end of the driving connecting rod 311 is hinged with a fan-ring-shaped isolation plate 32; the isolation plates 32 on the left side and the right side of the same upper support plate 11 are arranged symmetrically left and right; the rotation center axis of the partition plate 32 is located on the upper side of the partition plate 32; a plurality of pairs of guide grooves 100 are formed on the rear side wall of the cabinet frame 10; the guide groove 100 is in the shape of a fan ring groove and the rotation center axis thereof is positioned at the upper side of the guide groove 100; each pair of guide grooves 100 is coaxially arranged and is arranged in bilateral symmetry relative to the fixed contact 20 and the movable contact 40 on the corresponding side; a cylindrical lower guide post 321 matched with the guide groove 100 is formed at one end close to the rear end surface of the partition plate 32 at the left side and the right side of the same upper support plate 11; the lower guide posts 321 are arranged in the guide grooves 100 on the corresponding sides in a sliding manner; the partition plate 32 is an insulating plate; when the lifting driving plate 31 is positioned at the lowest end, the close ends of the isolation plates 32 at the left side and the right side of the same upper supporting plate 11 are abutted; when the lifting driving plate 31 is at the uppermost end, the moving contact 40 vertically passes through a gap between the adjacent ends of the isolation plates 32 on the left and right sides of the same upper supporting plate 11.
As shown in fig. 1 and 4, the hinged end of the isolation plate 32 is formed with a semi-cylindrical surface; the interval between the rotation center axes of the pair of driving connection rods 311 between the pair of adjacent upper support plates 11 is twice the radius of the semi-cylindrical surface of the partition plate 32; the semi-cylindrical surfaces of a pair of spacers 32 between a pair of adjacent upper support plates 11 are tangent.
As shown in fig. 1, 2 and 4, a cylindrical upper vertical guide rod 111 is formed on the upper end surface of the upper support plate 11; the lifting drive plate 31 is vertically sleeved on the upper vertical guide rod 111; a limiting support plate 12 is formed at the upper right corner of the rear side wall of the cabinet frame 10; the limit support plate 12 is screwed with a limit bolt 33; the right end face of the lifting drive plate 31 is flush with the left end face of the limit support plate 12, and a threaded hole matched with the limit bolt 33 is formed in the right end face of the lifting drive plate 31.
As shown in fig. 4, when the adjacent ends of the left and right spacers 32 of the same upper support plate 11 abut against each other, the lift drive plate 31 abuts against the upper end surface of the upper support plate 11.
As shown in fig. 1, 2 and 4, an upper stop block 112 is formed at the upper end of the upper vertical guide rod 111; when the threaded hole of the lifting drive plate 31 is opposite to the limit bolt 33, the upper end surface of the lifting drive plate 31 abuts against the upper stop block 112.
The inner cylindrical surfaces of the partition plates 32 on the left and right sides of the same upper support plate 11 are rounded.
The working principle of the relatively moving isolated switch cabinet is as follows:
as shown in fig. 1, when the cabinet door of the cabinet frame 10 is closed and the movable contact 20 is at the uppermost end, the movable contact 40 collides with the fixed contact 20; the lifting drive plate 31 is at the uppermost end; the isolation plates 32 on the left and right sides of the same upper support plate 11 are farthest away and are respectively positioned on the two sides of the moving contact 40 and the static contact 20;
when needing to be maintained, at first the moving contact 40 descends, separates with static contact 20, then maintainer opens the cabinet door, and maintainer screws out spacing bolt 33 after that, and the vertical decline of lift drive plate 31, the one end that the division board 32 of the left and right sides of same last backup pad 11 is close to leans on, starts the isolation effect like this, simultaneously because a pair of division board 32 hinged end between a pair of adjacent last backup pad 11 is in tangent state always, keeps apart the effect better.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.
Claims (6)
1. The utility model provides a cubical switchboard that relative removal is kept apart which characterized in that: comprises a cabinet frame (10) with an opening at the right end, a plurality of static contacts (20), a plurality of moving contacts (40) and an isolating device (30); a plurality of upper supporting plates (11) which are uniformly distributed on the left and the right are formed on the rear side wall of the cabinet frame (10); the static contact (20) is arranged on the lower end surface of the upper supporting plate; the moving contact (40) is arranged right below the static contact (20) in a lifting way; the isolation device (30) comprises a lifting drive plate (31) which is arranged on the rear side wall of the cabinet frame (10) in a lifting way; the lifting drive plate (31) is positioned right above the upper support plate (11); a plurality of driving connecting rods (311) which are vertically arranged are formed on the lower end surface of the lifting driving plate (31); a pair of driving connecting rods (311) which are arranged symmetrically left and right are arranged between a pair of adjacent upper supporting plates (11); the leftmost driving connecting rod (311) is positioned on the left side of the leftmost upper support plate (11); the rightmost driving connecting rod (311) is positioned on the right side of the rightmost upper supporting plate (11); the driving connecting rods (311) at the left side and the right side of the same upper supporting plate (11) are arranged in bilateral symmetry relative to the upper supporting plate (11); the lower end of the driving connecting rod (311) is hinged with a fan-ring-shaped isolation plate (32); the isolation plates (32) on the left side and the right side of the same upper supporting plate (11) are arranged symmetrically left and right; the rotation central shaft of the isolation plate (32) is positioned at the upper side of the isolation plate (32); a plurality of pairs of guide grooves (100) are formed on the rear side wall of the cabinet frame (10); the guide groove (100) is in a fan ring groove shape, and the rotating central shaft of the guide groove is positioned at the upper side of the guide groove (100); each pair of guide grooves (100) is coaxially arranged and is arranged symmetrically left and right relative to the fixed contact (20) and the movable contact (40) on the corresponding side; one end of the isolating plate (32) close to the rear end surface of the left side and the right side of the same upper supporting plate (11) is formed with a cylindrical lower guide post (321) matched with the guide groove (100); the lower guide posts (321) are arranged in the guide grooves (100) on the corresponding sides in a sliding manner; the isolation plate (32) is an insulation plate; when the lifting driving plate (31) is positioned at the lowest end, the close ends of the isolation plates (32) at the left side and the right side of the same upper supporting plate (11) are abutted; when the lifting driving plate (31) is positioned at the uppermost end, a gap between the ends, close to the isolating plates (32), of the left side and the right side of the same upper supporting plate (11) is used for the moving contact (40) to vertically pass through.
2. A relatively mobile isolating switchgear as claimed in claim 1, wherein: the hinged end of the isolation plate (32) is formed with a semi-cylindrical surface; the distance between the rotating central axes of a pair of driving connecting rods (311) between a pair of adjacent upper supporting plates (11) is twice of the radius of the semi-cylindrical surface of the isolation plate (32); the semi-cylindrical surfaces of a pair of isolation plates (32) between a pair of adjacent upper support plates (11) are tangent.
3. A relatively mobile isolating switchgear as claimed in claim 1, wherein: a cylindrical upper vertical guide rod (111) is formed on the upper end surface of the upper support plate (11); the lifting driving plate (31) is vertically sleeved on the upper vertical guide rod (111); a limiting support plate (12) is formed at the upper right corner of the rear side wall of the cabinet frame (10); a limit bolt (33) is screwed on the limit support plate (12); the right end face of the lifting drive plate (31) is flush with the left end face of the limiting support plate (12), and a threaded hole matched with the limiting bolt (33) is formed in the right end face of the lifting drive plate (31).
4. A relatively mobile isolating switchgear as claimed in claim 1 or 3, wherein: when the close ends of the isolation plates (32) on the left side and the right side of the same upper supporting plate (11) are abutted, the lifting driving plate (31) is abutted against the upper end face of the upper supporting plate (11).
5. A relatively mobile isolating switchgear as claimed in claim 3, wherein: an upper stop block (112) is formed at the upper end of the upper vertical guide rod (111); when the threaded hole of the lifting drive plate (31) is opposite to the limiting bolt (33), the upper end face of the lifting drive plate (31) abuts against the upper stop block (112).
6. A relatively mobile isolating switchgear as claimed in claim 1, wherein: the inner cylindrical surfaces of the left and right side isolation plates (32) of the same upper support plate (11) are rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116930.2A CN110829256B (en) | 2019-11-15 | 2019-11-15 | Switch cabinet with relatively moving isolation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911116930.2A CN110829256B (en) | 2019-11-15 | 2019-11-15 | Switch cabinet with relatively moving isolation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110829256A CN110829256A (en) | 2020-02-21 |
| CN110829256B true CN110829256B (en) | 2020-11-24 |
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ID=69555452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911116930.2A Active CN110829256B (en) | 2019-11-15 | 2019-11-15 | Switch cabinet with relatively moving isolation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110829256B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320891A (en) * | 2008-06-12 | 2008-12-10 | 高赟 | Side-installed shifting type high-tension switch cabinet |
| CN201438613U (en) * | 2009-06-26 | 2010-04-14 | 河南省电力公司商丘供电公司 | Insulating partition for maintenance of isolating switch |
| CN106207837A (en) * | 2015-04-30 | 2016-12-07 | 西门子公司 | Switch cubicle |
-
2019
- 2019-11-15 CN CN201911116930.2A patent/CN110829256B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320891A (en) * | 2008-06-12 | 2008-12-10 | 高赟 | Side-installed shifting type high-tension switch cabinet |
| CN201438613U (en) * | 2009-06-26 | 2010-04-14 | 河南省电力公司商丘供电公司 | Insulating partition for maintenance of isolating switch |
| CN106207837A (en) * | 2015-04-30 | 2016-12-07 | 西门子公司 | Switch cubicle |
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| Publication number | Publication date |
|---|---|
| CN110829256A (en) | 2020-02-21 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ye Junhui Inventor after: Ding Yihai Inventor after: Wang Lijun Inventor after: Liu Dong Inventor after: Wang Zheng Inventor after: Xu Jie Inventor before: Xu Jie |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201103 Address after: 202450, No. 301, Xing Hai Road, vegetable Town, Shengsi County, Zhoushan, Zhejiang Applicant after: SHENGSI COUNTY POWER SUPPLY COMPANY OF STATE GRID ZHEJIANG ELECTRIC POWER Co.,Ltd. Address before: 215000 room 702, comprehensive building, Boji Science Park, No. 2, Taishan Road, high tech Zone, Suzhou City, Jiangsu Province Applicant before: Xu Jie |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |