CN202373865U - Frame connecting structure for low-voltage switch cabinet - Google Patents
Frame connecting structure for low-voltage switch cabinet Download PDFInfo
- Publication number
- CN202373865U CN202373865U CN2011205520945U CN201120552094U CN202373865U CN 202373865 U CN202373865 U CN 202373865U CN 2011205520945 U CN2011205520945 U CN 2011205520945U CN 201120552094 U CN201120552094 U CN 201120552094U CN 202373865 U CN202373865 U CN 202373865U
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- main rib
- rib sheet
- vertical
- longeron
- sheet
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- 206010061258 Joint lock Diseases 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a frame connecting structure for a low-voltage switch cabinet. The frame connecting structure comprises upright posts, beams and longitudinal beams, wherein the upright posts, the beams and the longitudinal beams are perpendicular in pairs; an overlapping locking connection structure is arranged between a main horizontal fin of each beam and a main horizontal fin of an adjacent longitudinal beam; an overlapping locking connection structure is arranged between a main vertical fin of each beam and a main transverse fin of an adjacent upright post; an overlapping locking connection structure is arranged between a main vertical fin of each longitudinal beam and a main longitudinal fin of an adjacent upright post; a splicing structure is arranged between an auxiliary transverse fin of each upright post and an auxiliary horizontal fin of an adjacent longitudinal beam; a splicing structure is arranged between an auxiliary longitudinal fin of each upright post and an auxiliary horizontal fin of an adjacent beam; and a splicing structure is arranged between an auxiliary vertical fin of each beam and an auxiliary vertical fin of an adjacent longitudinal beam. The frame connecting structure has high seismic performance, and electrical components on a rack can be ensured to execute related safety functions under seismic conditions.
Description
Technical field
The utility model belongs to the technical field of mains switch cabinet, is specifically related to a kind of low-tension switch cabinet frame connecting structure.
Background technology
Nuclear power station 1E level electric equipment is a kind of to the high controller switching equipment of property safe and reliable to operation requirement, particularly requires very high to anti-seismic performance.But existing most low-tension switch cabinet does not meet the high requirement of nuclear power station safety and reliability; Mainly be because the low-tension switch cabinet framing component mostly adopts common angle steel (common angle steel is integrally formed by two mutually perpendicular fins) to make; Common angle steel section bar mechanical strength is not enough, and the anti-seismic performance of connected node is low, under seismic condition; The low-tension switch cabinet frame joint gets loose easily, disintegrates, ruptures; Make cabinet body frame distortion even disintegration, and then cause each electric components damage, electrical connection to destroy, make low-tension switch cabinet forfeiture expectation function; Wine is sent out the secondary accident after the earthquake, thereby above-mentioned low-tension switch cabinet does not meet the reliable requirement of nuclear power station high safety.
Summary of the invention
The purpose of the utility model is that a kind of low-tension switch cabinet frame connecting structure is provided in order to overcome the problems referred to above, and its anti-seismic performance is good, can guarantee that the electric components on the frame is carried out the associated safety function at seismic condition.
For realizing above-mentioned purpose, the low-tension switch cabinet frame connecting structure of the utility model comprises mutually perpendicular in twos column, crossbeam, longeron; Its main feature is; Column comprises the horizontal main rib sheet of integrally formed column, the vertical main rib sheet of column, the horizontal secondary fin of column, the vertical secondary fin of column; The horizontal main rib sheet of column is perpendicular to the vertical main rib sheet of column, and the horizontal secondary fin of column is connected the edge of the vertical main rib sheet of column, and the vertical secondary fin of column is connected the edge of the horizontal main rib sheet of column; The vertical secondary fin of column is parallel to the vertical main rib sheet of column, and the horizontal secondary fin of column is parallel to the horizontal main rib sheet of column; Crossbeam comprises the horizontal main rib sheet of integrally formed crossbeam, the vertical main rib sheet of crossbeam, the secondary fin of crossbeam level, the vertical secondary fin of crossbeam; The horizontal main rib sheet of crossbeam is perpendicular to the vertical main rib sheet of crossbeam; The secondary fin of crossbeam level is connected the edge of the vertical main rib sheet of crossbeam; The vertical secondary fin of crossbeam is connected the edge of the horizontal main rib sheet of crossbeam, and the secondary fin of crossbeam level is parallel to the horizontal main rib sheet of crossbeam, and the vertical secondary fin of crossbeam is parallel to the vertical main rib sheet of crossbeam; Longeron comprises the horizontal main rib sheet of integrally formed longeron, the vertical main rib sheet of longeron, the secondary fin of longeron level, the vertical secondary fin of longeron; The horizontal main rib sheet of longeron is perpendicular to the vertical main rib sheet of longeron; The secondary fin of longeron level is connected the edge of the vertical main rib sheet of longeron; The vertical secondary fin of longeron is connected the edge of the horizontal main rib sheet of longeron, and the secondary fin of longeron level is parallel to the horizontal main rib sheet of longeron, and the vertical secondary fin of longeron is parallel to the vertical main rib sheet of longeron; Be provided with the overlap joint locking mechanism between horizontal main rib sheet of crossbeam and the horizontal main rib sheet of longeron, be provided with the overlap joint lock-connection structure between vertical main rib sheet of crossbeam and the horizontal main rib sheet of column, be provided with the overlap joint locking mechanism between vertical main rib sheet of longeron and the vertical main rib sheet of column; Said overlap joint locking mechanism is meant: in two main rib sheets of overlap joint locking, wherein the end of a slice main rib sheet offers lockhole, and another sheet main rib sheet end also offers lockhole at correspondence position, and utilizes the bolt that passes above-mentioned lockhole that two main rib sheets are locked; Be provided with connected structure between the secondary fin of horizontal secondary fin of column and longeron level, be provided with connected structure between the secondary fin of vertical secondary fin of column and crossbeam level, be provided with connected structure between vertical secondary fin of crossbeam and the vertical secondary fin of longeron; Said connected structure is meant: in two secondary fins of pegging graft, wherein the secondary fin of a slice offers spliced eye, and the end of the secondary fin of another sheet is formed with tenon, the cross sectional shape of tenon and the form fit of spliced eye, and tenon is inserted in the spliced eye tightly.
In two main rib sheets of each overlap joint locking mechanism, wherein the end of first main rib sheet is formed with the interlocking sheet, staggers between interlocking sheet plane, place and the plane, first main rib sheet place, and the distance that staggers equals the thickness of second main rib sheet; Interlocking sheet and first main rib sheet utilize the turning point to be connected as a single entity; The lockhole of said first main rib sheet is opened on the interlocking sheet.
Above-mentioned overlap joint locking mechanism also is welded as a whole after utilizing bolt locking.
Above-mentioned connected structure also is welded as a whole after tenon inserts spliced eye.
Compare with traditional structure, the utlity model has following advantage and effect:
1, the member section bar cross section of the utility model low-tension switch cabinet frame connecting structure has added secondary fin on the basis of main rib sheet, the section bar mechanical strength is high, and node has comprehensively been taked the mode of connection of interlocking, grafting, welding; Each main rib sheet all with the main rib sheet interlocking and the welding of adjacent members, each secondary fin all with the secondary fin interlocking and the welding of adjacent members, column and crossbeam, longeron are connected to form one; Self-supporting not only between adjacent member; Mutual restriction, each member is stressed jointly, and node is firm firm; Improve the bulk strength of framework, possess high shock resistance; Behind violent earthquake, the switchgear of switch cubicle still can be carried out the associated safety function, is fit to be applied to nuclear power station, makes the usefulness that electric energy was accepted and distributed to low-voltage power supply system.
2, rational in infrastructure, easy for installation, the highly versatile of the utility model.
Description of drawings
Fig. 1 be column, crossbeam, the longeron three of the utility model assemble accomplish after structural representation.
Fig. 2 is the local enlarged diagram of A among Fig. 1.
Fig. 3 is that Fig. 2 central post, crossbeam, longeron decompose the three and disassemble sketch map.
Fig. 4 is column, the beam structure matching relationship sketch map of seeing from vertical orthographic projection direction.
Fig. 5 is a column cross sectional shape sketch map.
Fig. 6 is a section of beam shape sketch map.
Fig. 7 is a longeron cross sectional shape sketch map.
Fig. 8 is the schematic cross-section of horizontal main rib sheet of longeron and the horizontal main rib oblique cut grafting of crossbeam locking mechanism.
Embodiment
Low-tension switch cabinet frame connecting structure shown in Figure 1 comprises mutually perpendicular in twos column 1, crossbeam 2, longeron 3; Column 1 adopts quality steel plate to process through numerical control bending with crossbeam 2, longeron 3.Fig. 3, shown in Figure 5; Column 1 comprises the horizontal secondary fin of the vertical main rib sheet of the horizontal main rib sheet of integrally formed column 11, column 12, column 13, the vertical secondary fin 14 of column; The horizontal main rib sheet 11 of column is perpendicular to the vertical main rib sheet 12 of column; The horizontal secondary fin 13 of column is connected the edge of the vertical main rib sheet 12 of column; The vertical secondary fin 14 of column is connected the edge of the horizontal main rib sheet 11 of column, and the vertical secondary fin 14 of column is parallel to the vertical main rib sheet 12 of column, and the horizontal secondary fin 13 of column is parallel to the horizontal main rib sheet 11 of column; Fig. 3, shown in Figure 6; Crossbeam 2 comprises the vertical main rib sheet of the horizontal main rib sheet of integrally formed crossbeam 21, crossbeam 22, the secondary fin 23 of crossbeam level, the vertical secondary fin 24 of crossbeam; The horizontal main rib sheet 21 of crossbeam is perpendicular to the vertical main rib sheet 22 of crossbeam; The secondary fin 23 of crossbeam level is connected the edge of the vertical main rib sheet 22 of crossbeam; The vertical secondary fin 24 of crossbeam is connected the edge of the horizontal main rib sheet 21 of crossbeam, and the secondary fin 23 of crossbeam level is parallel to the horizontal main rib sheet 21 of crossbeam, and the vertical secondary fin 24 of crossbeam is parallel to the vertical main rib sheet 22 of crossbeam; Fig. 3, shown in Figure 7; Longeron 3 comprises the vertical secondary fin of the vertical main rib sheet of the horizontal main rib sheet of integrally formed longeron 31, longeron 32, the secondary fin 33 of longeron level, longeron 34, strengthens fin 35; The horizontal main rib sheet 31 of longeron is perpendicular to the vertical main rib sheet 32 of longeron; The secondary fin 33 of longeron level is connected the edge of the vertical main rib sheet 32 of longeron, and the vertical secondary fin 34 of longeron is connected the edge of the horizontal main rib sheet 31 of longeron, strengthens the edge that fin 35 is connected the vertical secondary fin 34 of longeron; The secondary fin 33 of longeron level is parallel to the horizontal main rib sheet 31 of longeron, and the vertical secondary fin 34 of longeron is parallel to the vertical main rib sheet 32 of longeron.
Fig. 2, Fig. 3, shown in Figure 8; Be provided with the overlap joint locking mechanism between horizontal main rib sheet 21 of crossbeam and the horizontal main rib sheet 31 of longeron; The end of the horizontal main rib sheet 21 of its middle cross beam offers lockhole 211; The horizontal main rib sheet of longeron 31 ends also offer lockhole 311 at correspondence position; The end of the horizontal main rib sheet 31 of longeron is formed with interlocking sheet 310, staggers between interlocking sheet plane, 310 place and the plane, corresponding main rib sheet (the horizontal main rib sheet 31 of longeron) place, and the distance that staggers equals the thickness of another main rib sheet (the horizontal main rib sheet 21 of crossbeam) of its overlap joint; Utilize turning point 4 to be connected as a single entity between the horizontal main rib sheet 31 of interlocking sheet 310 and longeron; The lockhole 311 of the horizontal main rib sheet of said longeron is opened on the interlocking sheet 310.Like this, behind 31 overlap joints, it is smooth that outer surface keeps between horizontal main rib sheet 21 of crossbeam and the horizontal main rib sheet of longeron, and utilize the bolt that passes above-mentioned lockhole 211,311 with 21,31 lockings of two main rib sheets, as shown in Figure 8.
Fig. 2, Fig. 3, shown in Figure 4; Be provided with the overlap joint lock-connection structure between vertical main rib sheet 22 of crossbeam and the horizontal main rib sheet 11 of column; The end of the vertical main rib sheet 22 of its middle cross beam offers lockhole 221; The end of the horizontal main rib sheet 11 of column also offers lockhole 111 at correspondence position, and utilizes the bolt that passes above-mentioned lockhole 111,221 with 22,11 lockings of two main rib sheets.Wherein, The vertical main rib sheet 22 of crossbeam is formed with interlocking sheet 220, and said lockhole 221 is opened on the interlocking sheet 220, staggers between interlocking sheet plane, 220 place and the plane, corresponding main rib sheet (the vertical main rib sheet 22 of crossbeam) place; The distance that staggers equals the thickness of another main rib sheet (the horizontal main rib sheet 11 of column) of its overlap joint; Interlocking sheet 220 utilizes the turning point to be connected as a single entity with corresponding main rib sheet (the vertical main rib sheet 22 of crossbeam), with similar shown in Figure 8, like this; After the overlap joint locking, it is smooth that outer surface keeps between vertical main rib sheet 22 of crossbeam and the horizontal main rib sheet 11 of column; Splicing line between them is horizontal by the oblique near 45 degree, and is as shown in Figure 4.
Fig. 2, Fig. 3, shown in Figure 4 are provided with the overlap joint locking mechanism between vertical main rib sheet 32 of longeron and the vertical main rib sheet 12 of column; Wherein the end of the vertical main rib sheet 32 of longeron offers lockhole 321, and the vertical main rib sheet of column 12 ends also offer lockhole 121 at correspondence position, and utilizes the bolt that passes above-mentioned lockhole 321,121 that two main rib sheets are locked.Similar with overlap joint locking mechanism shown in Figure 8; The vertical main rib sheet 32 of longeron also is formed with interlocking sheet 320; Said lockhole 321 is opened on the interlocking sheet 320; Stagger between interlocking sheet plane, 320 place and the plane, corresponding main rib sheet (the vertical main rib sheet 32 of longeron) place, the distance that staggers equals the thickness of another main rib sheet (the vertical main rib sheet 12 of column) of its overlap joint, and interlocking sheet 320 utilizes the turning point to be connected as a single entity with corresponding main rib sheet 32.
Fig. 2, shown in Figure 3; Be provided with connected structure between the secondary fin 33 of horizontal secondary fin 13 of column and longeron level; The horizontal secondary fin 13 of its central post offers spliced eye 131; The secondary fin of longeron level 33 ends are formed with tenon 331, the form fit of the cross sectional shape of tenon 331 and spliced eye 131, and tenon 331 is inserted in the spliced eye 131 tightly.
Fig. 2, shown in Figure 3; Be provided with connected structure between the secondary fin 23 of vertical secondary fin 14 of column and crossbeam level; The vertical secondary fin 14 of its central post offers spliced eye 141; The end of the secondary fin 23 of crossbeam level is formed with tenon 231, the form fit of the cross sectional shape of tenon 231 and spliced eye 141, and tenon 231 is inserted in the spliced eye 141 tightly.
Fig. 2, Fig. 3, shown in Figure 7 are provided with connected structure between vertical secondary fin 24 of crossbeam and the vertical secondary fin 34 of longeron; The vertical secondary fin 24 of its middle cross beam offers spliced eye 241; The end of the vertical secondary fin 34 of longeron is formed with tenon (among Fig. 3 this tenon blocked and do not see); The form fit of the cross sectional shape of this tenon and spliced eye 241, this tenon is inserted in the spliced eye 241 tightly.
Above-mentioned column 1, crossbeam 2, longeron 3 are after assembling; The place, combination slit at position, adjacent members boundary is welded as a whole; Comprise that above-mentioned overlap joint locking mechanism position is welded as a whole after utilizing bolt locking, and above-mentioned connected structure, tenon also is welded as a whole after inserting spliced eye.
In the present specification, column, crossbeam, these members of longeron are integrally formed by some fins, wherein are used for belonging to the main rib sheet with the fin of adjacent members interlocking, and the fin that is used for pegging graft with adjacent members belongs to secondary fin.All there is both direction on plane, each fin place, promptly fin length to the fin short; With the name of each fin the time, the title of each fin constitutes by seven words, and wherein the member that this fin belongs to represented in two words in front, the length that also determines this fin to; Middle two words represent this fin short on what direction.For example " the horizontal main rib sheet of column ", the member at this fin place belongs to column, and it is long to being vertical, and its short is horizontal; Again for example " the secondary fin of crossbeam level ", the member at this fin place belongs to crossbeam, and it is long to being horizontal, and its short is a horizontal direction; The rest may be inferred for all the other fins.
Claims (4)
1. a low-tension switch cabinet frame connecting structure comprises mutually perpendicular in twos column, crossbeam, longeron; It is characterized in that: column comprises the horizontal main rib sheet of integrally formed column, the vertical main rib sheet of column, the horizontal secondary fin of column, the vertical secondary fin of column; The horizontal main rib sheet of column is perpendicular to the vertical main rib sheet of column; The horizontal secondary fin of column is connected the edge of the vertical main rib sheet of column; The vertical secondary fin of column is connected the edge of the horizontal main rib sheet of column, and the vertical secondary fin of column is parallel to the vertical main rib sheet of column, and the horizontal secondary fin of column is parallel to the horizontal main rib sheet of column; Crossbeam comprises the horizontal main rib sheet of integrally formed crossbeam, the vertical main rib sheet of crossbeam, the secondary fin of crossbeam level, the vertical secondary fin of crossbeam; The horizontal main rib sheet of crossbeam is perpendicular to the vertical main rib sheet of crossbeam; The secondary fin of crossbeam level is connected the edge of the vertical main rib sheet of crossbeam; The vertical secondary fin of crossbeam is connected the edge of the horizontal main rib sheet of crossbeam, and the secondary fin of crossbeam level is parallel to the horizontal main rib sheet of crossbeam, and the vertical secondary fin of crossbeam is parallel to the vertical main rib sheet of crossbeam; Longeron comprises the horizontal main rib sheet of integrally formed longeron, the vertical main rib sheet of longeron, the secondary fin of longeron level, the vertical secondary fin of longeron; The horizontal main rib sheet of longeron is perpendicular to the vertical main rib sheet of longeron; The secondary fin of longeron level is connected the edge of the vertical main rib sheet of longeron; The vertical secondary fin of longeron is connected the edge of the horizontal main rib sheet of longeron, and the secondary fin of longeron level is parallel to the horizontal main rib sheet of longeron, and the vertical secondary fin of longeron is parallel to the vertical main rib sheet of longeron; Be provided with the overlap joint locking mechanism between horizontal main rib sheet of crossbeam and the horizontal main rib sheet of longeron, be provided with the overlap joint lock-connection structure between vertical main rib sheet of crossbeam and the horizontal main rib sheet of column, be provided with the overlap joint locking mechanism between vertical main rib sheet of longeron and the vertical main rib sheet of column; Said overlap joint locking mechanism is meant: in two main rib sheets of overlap joint locking, wherein the end of a slice main rib sheet offers lockhole, and another sheet main rib sheet end also offers lockhole at correspondence position, and utilizes the bolt that passes above-mentioned lockhole that two main rib sheets are locked; Be provided with connected structure between the secondary fin of horizontal secondary fin of column and longeron level, be provided with connected structure between the secondary fin of vertical secondary fin of column and crossbeam level, be provided with connected structure between vertical secondary fin of crossbeam and the vertical secondary fin of longeron; Said connected structure is meant: in two secondary fins of pegging graft, wherein the secondary fin of a slice offers spliced eye, and the end of the secondary fin of another sheet is formed with tenon, the cross sectional shape of tenon and the form fit of spliced eye, and tenon is inserted in the spliced eye tightly.
2. low-tension switch cabinet frame connecting structure according to claim 1; It is characterized in that: in two main rib sheets of each overlap joint locking mechanism; Wherein the end of first main rib sheet is formed with the interlocking sheet; Stagger between interlocking sheet plane, place and the plane, first main rib sheet place, the distance that staggers equals the thickness of second main rib sheet; Interlocking sheet and first main rib sheet utilize the turning point to be connected as a single entity; The lockhole of said first main rib sheet is opened on the interlocking sheet.
3. low-tension switch cabinet frame connecting structure according to claim 1 and 2 is characterized in that: said overlap joint locking mechanism also is welded as a whole after utilizing bolt locking.
4. low-tension switch cabinet frame connecting structure according to claim 1 and 2 is characterized in that: said connected structure also is welded as a whole after tenon inserts spliced eye.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205520945U CN202373865U (en) | 2011-12-27 | 2011-12-27 | Frame connecting structure for low-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205520945U CN202373865U (en) | 2011-12-27 | 2011-12-27 | Frame connecting structure for low-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202373865U true CN202373865U (en) | 2012-08-08 |
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ID=46597556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205520945U Expired - Lifetime CN202373865U (en) | 2011-12-27 | 2011-12-27 | Frame connecting structure for low-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202373865U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629361A (en) * | 2016-11-11 | 2017-05-10 | 西继迅达（许昌）电梯有限公司 | Elevator traction device, counterweight frame and counterweight frame assembling method |
| CN107634451A (en) * | 2017-10-14 | 2018-01-26 | 郑书强 | Prefabricated substation |
| CN107834406A (en) * | 2017-10-14 | 2018-03-23 | 郑书强 | The construction method of preassembled transformer station |
-
2011
- 2011-12-27 CN CN2011205520945U patent/CN202373865U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629361A (en) * | 2016-11-11 | 2017-05-10 | 西继迅达（许昌）电梯有限公司 | Elevator traction device, counterweight frame and counterweight frame assembling method |
| CN107634451A (en) * | 2017-10-14 | 2018-01-26 | 郑书强 | Prefabricated substation |
| CN107834406A (en) * | 2017-10-14 | 2018-03-23 | 郑书强 | The construction method of preassembled transformer station |
| CN107834406B (en) * | 2017-10-14 | 2019-04-23 | 广东良实机电工程有限公司 | The construction method of preassembled transformer station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
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| CX01 | Expiry of patent term |