CN110401132B - Distribution board shielded by rotary cylinder - Google Patents
Distribution board shielded by rotary cylinder Download PDFInfo
- Publication number
- CN110401132B CN110401132B CN201910648704.2A CN201910648704A CN110401132B CN 110401132 B CN110401132 B CN 110401132B CN 201910648704 A CN201910648704 A CN 201910648704A CN 110401132 B CN110401132 B CN 110401132B
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- China
- Prior art keywords
- driving
- side wall
- working chamber
- contact terminal
- groove
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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
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/127—Withdrawal mechanism
-
- 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
- H02B11/24—Shutters or guards
Abstract
The invention discloses a switchboard shielded by a rotating cylinder, wherein a pair of vertically distributed left-right through exposed holes are formed in the center of the left side wall of a working chamber; the upper and lower side walls of the exposure hole are formed into arc surfaces and are coaxially arranged in the same radius; a cylindrical shielding column is rotatably arranged in the exposure hole; the shielding column and the upper and lower side walls of the exposure hole are coaxially arranged in the same radius, and the shielding column is formed with a radially penetrating connecting slot; the height of the connecting slot is smaller than the thickness of the left side wall of the working chamber; a power supply side circuit breaking part and a load side circuit breaking part which are distributed up and down are arranged on the right side of the working chamber; the movable mechanism is arranged in the working chamber in a left-right moving mode, and a power supply side contact terminal and a load side contact terminal which are distributed vertically are arranged on the left end face of the movable mechanism. The invention has simple structure and low cost, and when the movable mechanism is drawn out, the pair of shielding columns rotate for a certain angle and then shield the exposure hole, thereby increasing the safety.
Description
Technical Field
The invention relates to the field of distribution boards, in particular to a distribution board shielded by a rotating cylinder.
Background
In a switchboard for high voltage receiving and distribution systems, the mobile mechanism provided with switches (such as circuit breakers) is formed as a unit, using a storage mode in which one unit or a plurality of units are stacked and stored in the switchboard or in which they are stored. In such a distribution board, by moving the movable mechanism between the operating position and the breaking position in the depth direction of the distribution board, the connections between the power source-side breaking portion, the load-side breaking portion, and the movable mechanism are opened or closed.
In a conventional distribution board, a power source side breaking portion and a load side breaking portion are shielded by different closers, and the distribution board requires a space for moving the closers. Therefore, it is necessary to increase the gap between the power source side disconnecting portion and the load side disconnecting portion. And, a space for arranging a mechanism for driving the shutter is also required. For this reason, there is a problem that the switchboard becomes large and high in cost due to an increase in adjustment work and an increase in the number of parts.
Disclosure of Invention
The invention aims to provide a switchboard using a rotary cylinder shield, aiming at the technical problems of complex structure and high cost in the prior art.
The technical scheme for solving the technical problems is as follows: a switchboard using rotary cylinder shielding comprises a working chamber with an opening at the right end and a movable mechanism; a pair of rectangular exposure holes which are distributed up and down and penetrate through left and right are formed in the center of the left side wall of the working chamber; the upper and lower side walls of the exposure hole are formed into arc surfaces and are coaxially arranged in the same radius; a cylindrical shielding column is rotatably arranged in the exposure hole; the shielding column and the upper and lower side walls of the exposure hole are coaxially arranged in the same radius, and the shielding column is formed with a radially penetrating connecting slot; the height of the connecting slot is smaller than the thickness of the left side wall of the working chamber; a power supply side breaking part and a load side breaking part which are distributed up and down are arranged on the left side of the working chamber; the power supply side circuit breaking part and the load side circuit breaking part are positioned right left of the pair of exposure holes; the movable mechanism is arranged in the working chamber in a left-right moving mode, and a power supply side contact terminal and a load side contact terminal which are distributed up and down are arranged on the left end face of the movable mechanism; the power supply side contact terminal is positioned right to the power supply side breaking part and matched with the power supply side breaking part; the load side contact terminal is located right to the load side disconnection portion and the two are mated; when in the working state, the power supply side contact terminal and the load side contact terminal horizontally penetrate through the pair of connecting slots from right to left and are respectively connected with the power supply side breaking part and the load side breaking part; after the movable mechanism is drawn out, the connecting slots of the shielding columns are in a vertical state, and the openings at the two ends of the connecting slots are shielded by the side walls of the exposure holes on the corresponding sides.
Preferably, the front and rear side walls of the exposure hole are formed with driving grooves; the upper side wall and the lower side wall of the driving groove are arc surfaces and are coaxially arranged with the exposure hole; a driving gear is formed on the front end face and the rear end face of the shielding column and is coaxially arranged with the shielding column; the driving gear is positioned in the driving groove; a left-right moving groove is formed on the upper side wall of the pair of driving grooves on the upper side; a left-right moving groove is formed on the lower side walls of the pair of driving grooves on the lower side; a moving driving strip is arranged in the left-right moving groove in a left-right moving mode; the front end of the movable driving strip positioned on the front side and the rear end of the movable driving strip positioned on the rear side are both formed with driving racks matched with the driving gear; in the process of moving the driving strip left and right, the driving rack is meshed with the driving gear on the corresponding side; a rectangular frame-shaped connecting frame is fixed on the outer sides of the right ends of the four movable driving strips; left and right guide blocks are respectively formed on the front and rear end surfaces of the connecting frame; left and right sliding grooves are formed on the front and rear side walls of the working chamber; a tension spring is fixed on the right side wall of the left and right sliding grooves; the left and right guide blocks slide left and right in the left and right chutes on the corresponding sides; the left end of the tension spring is fixed on the left and right guide blocks on the corresponding side; a plurality of spring plungers which are uniformly distributed front and back are formed at the left end of the upper side wall of the working chamber; the left end of the upper end face of the movable mechanism is provided with a plurality of limiting grooves matched with the steel balls of the spring plunger.
Preferably, when the mobile driving bar is in the working state, the mobile driving bar is positioned at the leftmost end, and the mobile mechanism abuts against the connecting frame on the left side; the connecting frame abuts against the left side wall of the working chamber, the driving rack is located on the left side of the driving gear and is not meshed with the driving gear, and the steel ball of the spring plunger is located in the limiting groove; when the movable mechanism is drawn out, the movable driving strip is positioned at the rightmost end and the driving rack is meshed with the driving gear.
Preferably, a left guide groove and a right guide groove are formed on the side wall of the shielding column, far away from the corresponding side, of the left and right moving groove; and a movable guide block matched with the left guide groove and the right guide groove is formed on the end surface of the corresponding side of the movable driving strip.
Preferably, the lower parts of the front and rear side walls of the working chamber are respectively formed with a movable guide groove; horizontal guide blocks matched with the movable guide grooves are formed at the lower ends of the front end face and the rear end face of the movable mechanism respectively.
Preferably, a pulley is attached to a lower end surface of the traveling mechanism.
Preferably, in the above aspect, a front-rear width of the connection groove of the power source side disconnecting portion is larger than a front-rear width of the power source side contact terminal; the front-to-rear width of the connection groove of the load-side breaking portion is larger than the front-to-rear width of the load-side contact terminal.
Preferably, the power source side contact terminal and the load side contact terminal have the same size as the connection slot.
Preferably, in the above aspect, the diameter of the addendum circle of the drive gear is the same as the diameter of the drive groove.
The invention has the beneficial effects that: simple structure, it is with low costs, when portable mechanism takes out, shelter from the exposure hole after a pair of sheltering from the post rotation certain angle, increase the security.
Drawings
FIG. 1 is a schematic cross-sectional view of a mobile mechanism 20 of the present invention shown in its retracted configuration;
FIG. 2 is a schematic structural view of the cross section A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic structural view of a cross section B-B of FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of a section C-C of FIG. 1 according to the present invention;
fig. 5 is a schematic structural view of a cross section in normal operation of the present invention.
In the figure, 10, the working chamber; 100. exposing a hole; 1000. a drive slot; 101. a left and a right sliding groove; 102. a moving guide groove; 11. a power source side disconnection unit; 12. a load-side breaker section; 13. a shielding post; 130. connecting the slots; 131. a drive gear; 14. a spring plunger; 15. a connecting frame; 151. moving the driving strip; 1511. moving the guide block; 152. a left guide block and a right guide block; 16. a tension spring; 20. a mobile mechanism; 200. a limiting groove; 21. a power supply side contact terminal; 22. a load side contact terminal; 23. a pulley; 24. and a horizontal guide block.
Detailed Description
As shown in fig. 1 to 5, the switchboard using the rotary cylinder shielding comprises a working chamber 10 with an opening at the right end and a movable mechanism 20; a pair of rectangular exposure holes 100 which are distributed up and down and penetrate through left and right are formed in the center of the left side wall of the working chamber 10; the upper and lower sidewalls of the exposure hole 100 are formed as arc surfaces and are coaxially arranged at the same radius; a cylindrical shielding column 13 is rotatably arranged in the exposure hole 100; the shielding column 13 is coaxially arranged with the upper and lower side walls of the exposure hole 100 at the same radius, and the shielding column 13 is formed with a radially penetrating connection slot 130; the height of the connection slot 130 is less than the thickness of the left sidewall of the working chamber 10; a power source side breaking unit 11 and a load side breaking unit 12 which are vertically distributed are mounted on the left side of the working chamber 10; the power source side breaking unit 11 and the load side breaking unit 12 are located right to the left of the pair of exposure holes 100; the movable mechanism 20 is arranged in the working chamber 10 in a left-right moving way, and a power supply side contact terminal 21 and a load side contact terminal 22 which are distributed up and down are arranged on the left end surface; the power source side contact terminal 21 is located right to the power source side disconnecting portion 11 and the two are mated; the load-side contact terminal 22 is located right to the load-side breaker portion 12 and the two are mated; when in the operating state, the power source side contact terminal 21 and the load side contact terminal 22 horizontally pass through the pair of connection slots 130 from right to left and are connected to the power source side breaking portion 11 and the load side breaking portion 12, respectively; when the moving mechanism 20 is drawn out, the connection slots 130 of the pair of shielding posts 13 are in a vertical state and the openings at both ends are shielded by the sidewalls of the exposure holes 100 at the corresponding sides.
As shown in fig. 1 to 5, driving grooves 1000 are formed on the front and rear side walls of the exposure hole 100; the upper and lower side walls of the driving groove 1000 are arc surfaces and are coaxially arranged with the exposure hole 100; a driving gear 131 is formed on the front and rear end surfaces of the blocking post 13, and the driving gear 131 is coaxially arranged with the blocking post 13; the driving gear 131 is positioned in the driving groove 1000; left and right moving grooves are formed on the upper side walls of the pair of driving grooves 1000 on the upper side; left and right moving grooves are formed on the lower side walls of the pair of driving grooves 1000 on the lower side; a moving driving bar 151 is arranged in the left-right moving groove and moves left and right; the front end of the moving driving bar 151 at the front side and the rear end of the moving driving bar 151 at the rear side are both formed with driving racks matched with the driving gear 131; during the left and right movement of the moving driving bar 151, the driving rack is engaged with the driving gear 131 of the corresponding side; a rectangular frame-shaped connecting frame 15 is fixed on the outer side of the right ends of the four moving driving bars 151; left and right guide blocks 152 are respectively formed on the front and rear end surfaces of the connecting frame 15; left and right chutes 101 are formed on the front and rear side walls of the working chamber 10; a tension spring 16 is fixed on the right side wall of the left and right sliding grooves 101; the left and right guide blocks 152 are arranged in the left and right sliding grooves 101 on the corresponding sides in a left and right sliding manner; the left end of the tension spring 16 is fixed on the left and right guide blocks 152 on the corresponding side; a plurality of spring plungers 14 which are uniformly distributed front and back are formed at the left end of the upper side wall of the working chamber 10; a plurality of limiting grooves 200 matched with the steel balls of the spring plunger 14 are formed at the left end of the upper end surface of the movable mechanism 20.
As shown in fig. 1 to 5, in the working state, the movable driving bar 151 is at the leftmost end and the movable mechanism 20 abuts against the connecting frame 15 at the left side; the connecting frame 15 abuts against the left side wall of the working chamber 10, the driving rack is positioned on the left side of the driving gear 131 and is not meshed with the driving gear, and the steel ball of the spring plunger 14 is positioned in the limiting groove 200; when the traveling mechanism 20 is withdrawn, the traveling drive bar 151 is at the rightmost end and the drive rack engages the drive gear 131.
As shown in fig. 2 and 4, left and right guide grooves are formed on the side wall of the shielding post 13 of which the left and right moving grooves are far away from the corresponding side; a moving guide 1511 engaged with the left and right guide grooves is formed on the end surface of the corresponding side of the moving driving bar 151.
As shown in fig. 1 to 4, the lower portions of the front and rear side walls of the working chamber 10 are respectively formed with a moving guide groove 102; the lower ends of the front and rear end surfaces of the movable mechanism 20 are respectively formed with horizontal guide blocks 24 engaged with the movable guide grooves 102.
As shown in fig. 1 and 5, a pulley 23 is attached to a lower end surface of the traveling mechanism 20.
As shown in fig. 4, the front-rear width of the connection groove of the power supply side disconnecting portion 11 is larger than the front-rear width of the power supply side contact terminal 21; the front-rear width of the connection groove of the load-side breaking portion 12 is larger than the front-rear width of the load-side contact terminal 22.
As shown in fig. 1, 3 and 5, the power source side contact terminal 21 and the load side contact terminal 22 have the same size as the connection slot 130.
As shown in fig. 2, the diameter of the tip circle of the driving gear 131 is the same as the diameter of the driving groove 1000.
The working principle of the switchboard using the rotary cylinder shield is as follows:
as shown in fig. 5, the power source side contact terminal 21 and the load side contact terminal 22 horizontally pass through the pair of connection slots 130 from right to left and are connected to the power source side disconnecting unit 11 and the load side disconnecting unit 12, respectively, the moving driving bar 151 is at the leftmost end and the moving mechanism 20 abuts against the connection frame 15 on the left side; the connecting frame 15 abuts against the left side wall of the working chamber 10, the driving rack is positioned on the left side of the driving gear 131 and is not meshed with the driving gear, and the steel ball of the spring plunger 14 is positioned in the limiting groove 200;
when the movable mechanism 20 is pulled out, the connecting frame 15 moves rightwards under the action of the tension spring 16, when the power side contact terminal 21 and the load side contact terminal 22 are separated from the pair of shielding posts 13, the driving rack is engaged with the driving gear 131, so that the pair of shielding posts 13 rotate, when the connecting frame 15 is positioned at the rightmost end, the pair of shielding posts 13 rotate 90 degrees to change from a horizontal state to a vertical state, the connecting slots 130 of the last pair of shielding posts 13 are positioned in a vertical state, and openings at two ends are shielded by the side walls of the corresponding side exposing holes 100, so that the exposing holes 100 are shielded, and the safety is improved;
the distribution board has simple structure and low cost.
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 (9)
1. A switchboard using a rotary cylinder shield comprises a working chamber (10) with an opening at the right end and a movable mechanism (20); the method is characterized in that: a pair of left and right through exposure holes (100) which are distributed up and down are formed in the center of the left side wall of the working chamber (10); the upper side wall and the lower side wall of the exposure hole (100) are formed into arc surfaces, and the upper side wall and the lower side wall are coaxially arranged in the same radius; a cylindrical shielding column (13) is rotationally arranged in the exposure hole (100); the shielding column (13) and the upper and lower side walls of the exposure hole (100) are coaxially arranged in the same radius, and the shielding column (13) is formed with a radially penetrating connecting slot (130); the height of the connecting slot (130) is less than the thickness of the left side wall of the working chamber (10); a power supply side breaking part (11) and a load side breaking part (12) which are distributed up and down are arranged on the left side of the working chamber (10); the power source side breaking part (11) and the load side breaking part (12) are positioned right to the left of the pair of exposure holes (100); the movable mechanism (20) is arranged in the working chamber (10) in a left-right moving mode, and a power supply side contact terminal (21) and a load side contact terminal (22) which are distributed vertically are arranged on the left end face of the movable mechanism; the power supply side contact terminal (21) is positioned right to the power supply side breaking part (11) and is matched with the power supply side breaking part; the load side contact terminal (22) is located right to the load side breaking section (12) and is mated with the load side breaking section; when in the working state, the power supply side contact terminal (21) and the load side contact terminal (22) horizontally pass through the pair of connecting slots (130) from right to left and are respectively connected with the power supply side breaking part (11) and the load side breaking part (12); when the movable mechanism (20) is pulled out, the connecting slots (130) of the pair of shielding columns (13) are in a vertical state, and openings at two ends are shielded by the side walls of the exposure holes (100) at the corresponding sides.
2. The switchboard using rotating cylinder shielding according to claim 1, characterized in that: driving grooves (1000) are formed on the front side wall and the rear side wall of the exposure hole (100); the upper side wall and the lower side wall of the driving groove (1000) are arc surfaces and are coaxially arranged with the exposure hole (100); a driving gear (131) is formed on the front end surface and the rear end surface of the shielding column (13), and the driving gear (131) and the shielding column (13) are coaxially arranged; the driving gear (131) is positioned in the driving groove (1000); a left-right moving groove is formed on the upper side wall of the pair of driving grooves (1000) on the upper side; a left-right moving groove is formed on the lower side wall of the pair of driving grooves (1000) at the lower side; a moving driving strip (151) is arranged in the left-right moving groove and moves left and right; the front end of the moving driving strip (151) positioned on the front side and the rear end of the moving driving strip (151) positioned on the rear side are both formed with driving racks matched with the driving gear (131); in the process of moving the driving strip (151) left and right, the driving rack is meshed with the driving gear (131) on the corresponding side; a rectangular frame-shaped connecting frame (15) is fixed on the outer side of the right ends of the four movable driving strips (151); left and right guide blocks (152) are respectively formed on the front and rear end surfaces of the connecting frame (15); left and right sliding grooves (101) are formed on the front and rear side walls of the working chamber (10); a tension spring (16) is fixed on the right side wall of the left and right sliding grooves (101); the left and right guide blocks (152) are arranged in the left and right sliding grooves (101) on the corresponding sides in a left and right sliding manner; the left end of the tension spring (16) is fixed on the left and right guide blocks (152) on the corresponding side; a plurality of spring plungers (14) which are uniformly distributed front and back are formed at the left end of the upper side wall of the working chamber (10); a plurality of limiting grooves (200) matched with the steel balls of the spring plunger (14) are formed at the left end of the upper end surface of the movable mechanism (20).
3. The switchboard using rotating cylinder shielding according to claim 2, characterized in that: when in working state, the movable driving bar (151) is at the leftmost end and the movable mechanism (20) abuts against the connecting frame (15) at the left side; the connecting frame (15) abuts against the left side wall of the working chamber (10), the driving rack is located on the left side of the driving gear (131) and is not meshed with the driving gear, and the steel ball of the spring plunger (14) is located in the limiting groove (200); when the movable mechanism (20) is drawn out, the movable driving bar (151) is at the rightmost end and the driving rack is meshed with the driving gear (131).
4. The switchboard using rotating cylinder shielding according to claim 2, characterized in that: a left guide groove and a right guide groove are formed on the side wall of the shielding column (13) which is far away from the corresponding side of the left and right moving groove; and a movable guide block (1511) matched with the left and right guide grooves is formed on the end surface of the corresponding side of the movable driving strip (151).
5. The switchboard using rotating cylinder shielding according to claim 1, characterized in that: the lower parts of the front and rear side walls of the working chamber (10) are respectively provided with a movable guide groove (102); horizontal guide blocks (24) matched with the movable guide grooves (102) are respectively formed at the lower ends of the front end surface and the rear end surface of the movable mechanism (20).
6. The switchboard using rotating cylinder shielding according to claim 1 or 5, characterized in that: a pulley (23) is arranged on the lower end surface of the movable mechanism (20).
7. The switchboard using rotating cylinder shielding according to claim 1, characterized in that: the front-rear width of the connection groove of the power supply side breaking part (11) is larger than the front-rear width of the power supply side contact terminal (21); the front-rear width of the connection groove of the load-side breaking section (12) is greater than the front-rear width of the load-side contact terminal (22).
8. The switchboard using rotating cylinder shielding according to claim 1, characterized in that: the power source side contact terminal (21) and the load side contact terminal (22) have the same size as the connection slot (130).
9. The switchboard using rotating cylinder shielding according to claim 2, characterized in that: the diameter of the addendum circle of the drive gear (131) is the same as the diameter of the drive groove (1000).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648704.2A CN110401132B (en) | 2019-07-18 | 2019-07-18 | Distribution board shielded by rotary cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648704.2A CN110401132B (en) | 2019-07-18 | 2019-07-18 | Distribution board shielded by rotary cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110401132A CN110401132A (en) | 2019-11-01 |
| CN110401132B true CN110401132B (en) | 2020-07-28 |
Family
ID=68324606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910648704.2A Active CN110401132B (en) | 2019-07-18 | 2019-07-18 | Distribution board shielded by rotary cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110401132B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11234820A (en) * | 1998-02-13 | 1999-08-27 | Fuji Electric Co Ltd | Drawer breaker |
| JP4870649B2 (en) * | 2007-11-05 | 2012-02-08 | 富士電機株式会社 | switchboard |
| CN201821026U (en) * | 2010-07-01 | 2011-05-04 | 贾明 | Incoming and outgoing line functional unit of complete set of electrical appliance |
| KR102095937B1 (en) * | 2013-03-05 | 2020-04-01 | 조규완 | Shutter Barrier of Distributing Board |
| DE102013107310A1 (en) * | 2013-07-10 | 2015-01-15 | Smiths Heimann Gmbh | Radiation occlusion, especially for X-rays |
| CN105826852B (en) * | 2016-05-25 | 2018-09-04 | 国网河南省电力公司济源供电公司 | A kind of high pressure door open cabinet valve baffle |
| CN105971070A (en) * | 2016-06-19 | 2016-09-28 | 詹桥生 | Fire hydrant with 360-degree-rotating connector |
| CN106340820A (en) * | 2016-08-31 | 2017-01-18 | 裕丰电气有限公司 | Push rod type valve mechanism convenient to operate |
| CN206115538U (en) * | 2016-10-28 | 2017-04-19 | 河北省自动化研究所 | Discrepancy system |
| CN209056769U (en) * | 2018-12-06 | 2019-07-02 | 国网陕西省电力公司榆林供电公司 | A kind of 10-35kV switch cabinet shutter secured adjusted device |
-
2019
- 2019-07-18 CN CN201910648704.2A patent/CN110401132B/en active Active
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| Publication number | Publication date |
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| CN110401132A (en) | 2019-11-01 |
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