CN100347918C - Detachable connection method for upper-lower gas tank of switch cabinet and apparatus thereof - Google Patents
Detachable connection method for upper-lower gas tank of switch cabinet and apparatus thereof Download PDFInfo
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- CN100347918C CN100347918C CNB200510026642XA CN200510026642A CN100347918C CN 100347918 C CN100347918 C CN 100347918C CN B200510026642X A CNB200510026642X A CN B200510026642XA CN 200510026642 A CN200510026642 A CN 200510026642A CN 100347918 C CN100347918 C CN 100347918C
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- lower gas
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Abstract
The present invention relates to a detachable connecting method and a device thereof for an upper gas box and a lower gas box of a switch cabinet. The present invention adopts the matching of a wedge block and an inclined plane, and uses a bolt fastening mode to realize the connection of the upper gas box and the lower gas box of the switch cabinet. Connecting structures are all positioned between the upper gas box and the lower gas box, and the useful spaces of the gas boxes can not be occupied. The present invention has the advantages of convenient connection and separation, and easy transportation and scale production. When the special structures of the present invention are connected, the pressing force between the boxes is 2.5 times as the screwing force of the original bolts. Therefore, the connecting strength is great, and the safe transportation is easy.
Description
One, technical field:
The present invention relates to a kind of switch cubicle, particularly disclose upper and lower gas tank detachable connection method of a kind of switch cubicle and device thereof.
Two, background technology:
Press the development of inflating switch cabinet at present, press the gas tank structure, experienced common box type, single box, two gas tank formula three phases; Wherein two gas tank formula structures are because of separating the switch cubicle functional unit in different gas tanks, and it is convenient to make that the different scheme of switch cubicle realizes, accident spreads when effectively having prevented to meet accident simultaneously.After but at present two gas tank configuration switches cabinets install, the common not reproducible mounting or dismounting of upper and lower gas tank.The mode that also has employing to weld double-screw bolt on gas tank realizes the gas tank mechanical connection, but this mode has taken the useful space in the switch cubicle, and easy discontinuity when installing; The dielectric strength that is electrically connected owing to upper and lower gas tank must be guaranteed by the thrust between the gas tank in addition, so the weld strength of weldering double-screw bolt directly has influence on the dielectric strength that is electrically connected in this mode.
Three, summary of the invention:
The technical problem to be solved in the present invention provides a kind of connection of upper and lower gas tank, makes installation and removal convenient, and gas tank is stressed evenly during installation; Gas tank bonding strength height; And has auto-lock function.The present invention is achieved like this: the present invention has adopted and has carved piece and inclined-plane cooperation, and realizes the connection of upper and lower gas tank by the method for bolted.Syndeton all between upper and lower gas tank, does not take the useful space of switch cubicle.
The syndeton that realizes the inventive method is: carve piece and 4 bending inclined-planes and 2 stay bolts by 4 indents and form, 4 bending chamfer lengths and gas tank length coupling, wherein two bending inclined-planes are the bottom surfaces that are welded on gas tank, and two part bending inclined-planes are the last end faces that are welded on down gas tank in addition; Carve the inclined-plane on piece and bending inclined-plane by indent when stay bolt is tightened, the bending inclined-plane that is welded on upper and lower gas tank is clamped, just gas tank clamps up and down.When needing dismounting, then loosen stay bolt, indent is carved piece will decontrol the bending inclined-plane, and upper and lower gas tank will become flexible.
The present invention has following advantage:
1, package unit does not take other useful spaces of switch cubicle between upper and lower two gas tanks; And connection can be taken apart by the dismounting stay bolt, gas tank separates up and down.Easily transportation and large-scale production.
2, the inclined-plane of carving between the inclined-plane that forms after piece and the bending by indent connects, and forms a force-increasing mechanism, shown in Fig. 3 mechanical analysis, and same Bolt Tightening Force F
1Thrust between the gas tank of meeting generation 2.5 times (inclination angle of inclined plane is 11 °).Because 4 bending inclined-planes are to weld together with upper and lower gas tank respectively by a long rectangular surfaces, weld strength is very good, guarantees the thrust between gas tank simultaneously.
3, to carve the piece angle be 22 ° to indent, less than steel material carve piece connect in from 24 ° of the locking angles.And this device because self-locking action is difficult for becoming flexible, guarantees that gas tank is connected firmly after installation is fastening.
Four, description of drawings:
Accompanying drawing 1 is a jockey axonometric drawing of the present invention;
Accompanying drawing 2 is structural representations of Fig. 1 one end;
Accompanying drawing 3 is mechanical analysis figure of jockey of the present invention.
In Fig. 1: 1, indent is carved piece; 2, bending inclined-plane; 3, stay bolt; 4, bending inclined-plane.
Five, embodiment:
Carving 2,4 and 2 stay bolts 3 of piece 1 and 4 bending inclined-planes by 4 indents forms, 4 bending chamfer lengths and gas tank length coupling, wherein two bending inclined-planes are the bottom surfaces that are welded on gas tank, and two part bending inclined-planes are the last end faces that are welded on down gas tank in addition; Carve the inclined-plane on piece and bending inclined-plane by indent when stay bolt is tightened, the bending inclined-plane that is welded on upper and lower gas tank is clamped, just gas tank clamps up and down.When needing dismounting, then loosen stay bolt, indent is carved piece will decontrol the bending inclined-plane, and upper and lower gas tank will become flexible.
Claims (2)
1. upper and lower gas tank detachable connection method of switch cubicle, it is characterized in that: adopted indent to carve piece and inclined-plane cooperation, and realizing the connection of the upper and lower gas tank of switch cubicle by the mode of bolted, syndeton all between upper and lower gas tank, does not take the useful space of gas tank; Syndeton is carved piece and 4 bending inclined-planes and 2 stay bolts by 4 indents and is formed, 4 bending chamfer lengths and gas tank length coupling, wherein 2 bending scarf welds are connected on the gas tank bottom surface, other 2 bending scarf welds are connected on down the last end face of gas tank, the spacing on end face bending inclined-plane equates on last gas tank bottom surface and the following gas tank, and the indent that the stay bolt two ends are threaded is carved the piece inclined-plane and cooperated with upper and lower gas tank bending inclined-plane respectively and contact.
2. by the detachable jockey of the upper and lower gas tank of switch cubicle of the described method acquisition of claim 1, it is characterized in that: the angle that described indent is carved piece is 22 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510026642XA CN100347918C (en) | 2005-06-10 | 2005-06-10 | Detachable connection method for upper-lower gas tank of switch cabinet and apparatus thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510026642XA CN100347918C (en) | 2005-06-10 | 2005-06-10 | Detachable connection method for upper-lower gas tank of switch cabinet and apparatus thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1710765A CN1710765A (en) | 2005-12-21 |
| CN100347918C true CN100347918C (en) | 2007-11-07 |
Family
ID=35706961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510026642XA Active CN100347918C (en) | 2005-06-10 | 2005-06-10 | Detachable connection method for upper-lower gas tank of switch cabinet and apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100347918C (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103345A (en) * | 1986-12-16 | 1988-07-06 | 三菱电机株式会社 | Electric equipment |
| CN2100701U (en) * | 1991-05-24 | 1992-04-01 | 上海铁路局工业公司电务工厂 | Railway tunnel socket box |
| JPH1146409A (en) * | 1996-11-19 | 1999-02-16 | Sanmei Denki Kk | Control box |
| JP2005057944A (en) * | 2003-08-07 | 2005-03-03 | Tm T & D Kk | Gas-insulated switchgear |
-
2005
- 2005-06-10 CN CNB200510026642XA patent/CN100347918C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87103345A (en) * | 1986-12-16 | 1988-07-06 | 三菱电机株式会社 | Electric equipment |
| CN2100701U (en) * | 1991-05-24 | 1992-04-01 | 上海铁路局工业公司电务工厂 | Railway tunnel socket box |
| JPH1146409A (en) * | 1996-11-19 | 1999-02-16 | Sanmei Denki Kk | Control box |
| JP2005057944A (en) * | 2003-08-07 | 2005-03-03 | Tm T & D Kk | Gas-insulated switchgear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1710765A (en) | 2005-12-21 |
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