WO2002087035A1 - Profilstahlgerüst aus verschraubten profilstücken - Google Patents
Profilstahlgerüst aus verschraubten profilstücken Download PDFInfo
- Publication number
- WO2002087035A1 WO2002087035A1 PCT/DE2002/001345 DE0201345W WO02087035A1 WO 2002087035 A1 WO2002087035 A1 WO 2002087035A1 DE 0201345 W DE0201345 W DE 0201345W WO 02087035 A1 WO02087035 A1 WO 02087035A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- frame
- leg
- cross bars
- fastening
- profile
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/01—Frameworks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/01—Frameworks
- H02B1/014—Corner connections for frameworks
Definitions
- the invention relates to a steel profile frame made of profile pieces connected to one another by fastening screws with a profile shape having at least three legs bent in the same direction, the profile pieces being arranged with their ends overlapping one another to form scaffold corners.
- One of the numerous known designs for scaffolding of the type mentioned is based on the use of different suitable profile shapes, wherein side frames are first produced from profile pieces of one profile shape and two such side frames are then made using cross bars with another Profile shape to be connected to the finished scaffold. In this way it can be achieved that, for example, a larger area is available on the side for placing side walls, while the design of the cross bars ensures a high degree of stability of the scaffold or frame.
- the connection of the profile pieces in the scaffold corners is essential. Both detachable and non-detachable connections are known for this. A large number of detachable connections of profile pieces are also known. For this purpose, the mentioned US 4 114 336 shows a possibility of connecting the profile pieces directly to one another.
- DE 299 23 458 U1 proposes to improve the connection of the profile pieces that collide in a scaffold corner by a simple corner piece made of sheet steel, which is connected to each of the profile pieces by two clamping elements (screws, rivets).
- two clamping elements screws, rivets.
- funnel-shaped indentations are incorporated into both the corner piece and the profile pieces, in which the screw holes lie centrally. This not only achieves a mutual alignment of the parts when the clamping elements are tightened, but also achieves an effective form fit that results in a largely rigid corner connection.
- the invention has for its object a screwed
- profile steel framework which has a high deformation rigidity and has flush transitions between the profile pieces on the entire circumference in order to obtain a smooth outer surface.
- the profile pieces are designed as frame parts with a first profile shape and as cross bars with a second profile shape
- a side frame is composed of the frame parts, which has outer legs lying in a frame plane, - Two side frames are connected to one another by the cross bars, the outer legs are on the
- the ends of the frame parts are provided with a mitred edge, at a first end of each frame part there is an inwardly bent fastening tab which projects from the mitred edge and has openings for fastening screws, each frame part is at the first end with at least one protruding tongue and at the second end with a slot for receiving one Insert tongue of a further frame part to be connected to the frame part and at both ends with slots for tongues of the cross bars, the cross bars have inwardly cranked fastening tabs provided with openings for fastening screws r Connection to the frame parts.
- the frame parts of the side frames have an inner end leg located on the inner edge of the side frame and adjoining the outer leg,
- the openings for fastening screws of the fastening straps of the cross bars are located on the intermediate leg.
- the openings for fastening screws in the cranked fastening tabs of both the frame parts of the side frames and the cross bars are provided with passages .
- the through openings provided in the support surface for the fastening tabs can advantageously be designed as countersunk openings.
- cross bars can be two perpendicular to one another
- each main leg having a protruding inwardly bent fastening tab at both ends and the end Legs are provided with a tongue at each end.
- the profile steel frame designed according to the invention is particularly suitable for use as a frame for a control cabinet or as a frame for a multi-panel switchgear, since this is where the special properties come into play.
- Fig. 1 shows the basic structure of the sectional steel frame according to the invention in a perspective view.
- FIG. 2 shows in detail the scaffold corner located at the bottom left in the rear part of the section steel frame in FIG. 1.
- FIG. 3 shows as a further detail the scaffolding corner located at the bottom and front right in FIG. 1.
- FIG. 4 shows a development of a frame part of a side frame of the frame in FIG. 1.
- FIG. 5 shows a top view of the frame part produced from the development according to FIG. 4.
- FIG. 6 shows a front view of the frame part produced from the development according to FIG. 4.
- FIG. 7 shows a side view of the frame part produced from the development according to FIG. 4.
- 8 shows a development of a cross member of the scaffold according to FIG. 1.
- FIG. 9 shows a top view of the cross member produced from the development according to FIG. 8.
- FIG. 10 shows a front view of the cross member produced from the development according to FIG. 8.
- FIG. 11 shows a side view of the cross member produced from the development according to FIG. 8.
- Fig. 12 shows the execution of the passages for the thread-forming screws.
- Fig. 1 shows the basic structure of a sectional steel frame 1 according to the invention. It consists of two side frames 2 and four cross bars 3, which to form scaffolding corners 8, 9, 10 11 (above) and 12, 13, 14 and 15 (below) - are connected.
- FIG. 2 shows the scaffolding corner 14 according to FIG. 1, that is to say the rear left scaffolding corner in the lower region of the profiled steel scaffold 1 in FIG. 1, namely from the inside of the profiled steel scaffold 1.
- a horizontal frame part 16 and a vertical frame part 17 are connected to a cross member 3 on this frame corner 14.
- an inwardly cranked fastening tab 18 of the frame part 17 can be seen, which is on the inside of an outer leg 4 of the
- the fastening tab starts from a miter edge 25 which is parallel to a miter edge 26 of the adjoining frame part.
- the fortified Cleaning tab 18 has openings 19 with passages 20 in which thread-forming screws 39 engage.
- the cross bar 3 has two fastening tabs 21, 22 which are provided in the same way with openings 23 and associated passages 24. These two fastening tabs 21 22 are also cranked inwards and rest on intermediate legs 7 of the frame parts 16 and 17 of the side frame 2 and are screwed to them.
- FIG. 3 shows the scaffolding corner 13 according to FIG. 1, which is located in the lower area at the front right, seen from the outside.
- a horizontal frame part 16 and a vertical frame part 17 are connected to a cross member 3 on this frame corner 13.
- the miter edges 25 and 26 can be seen, behind which the not visible cranked fastening tab 18 of the horizontal frame part 16 bears against the vertical frame part 17 and is screwed to it by means of thread-forming fastening screws 39.
- the fastening tabs of the cross member 6, which are not visible, are also cranked and, in the manner mentioned, lie on the inside of the intermediate legs of the frame parts 16 and 17.
- thread-forming fastening screws 39 ensure a firm connection.
- the frame part 16 has asymmetrically formed ends 31 and 32. At the first end 31 is located on the outer leg 4
- FIG. 4 shows a tongue 27, which is inserted into a slot 28 of the subsequent frame part 17 during assembly of the profile frame 1 for guiding and positioning the parts. Due to the asymmetrical design of the ends 31 and 32 of the frame part 16, there is such a slot 28 at the second end 32. At the first end 31 there are also lowered through openings 44 for receiving fastening screws 39 for a cross member 3 and slots 42 for receiving tabs 41 the cross bars 3 are provided.
- the second end 32 has the aforementioned miter edge 26, which is opposed to a miter edge 25 when two frame parts 16, 17 are assembled.
- a frame part 16 is produced in a known manner by folding or profiling, which is shown in FIGS. 5, 6 and 7 in views that are at right angles to one another.
- FIGS. 5, 6 and 7 When profiling or folding, the mentioned outer leg 4, a subsequent inner end leg 5, an outer end leg 6 and an intermediate leg 7 connecting the outer leg 4 to the outer end leg are formed, all of which follow one another at right angles and best from the Fig. 7 have apparent proportions.
- FIG. 5 shows a plan view of the frame part 16 for a side frame 2 produced from the development according to FIG. 4, only the parts clearly visible in this view being shown for a better overview. The parts not shown in this figure are in the other views ( Figures 4, 6 and 7) well recognizable. At the first end 31 is on
- Outer leg 4 arranged the cranked fastening tab 18.
- the lowered through openings 44 for receiving fastening screws 39 for a cross member 3 are located on the intermediate leg 7. Furthermore, this illustration shows the aforementioned tongue 27 and the slot 28 on the outer end leg 6.
- the second end 32 with the miter edge 26 has the aforementioned with countersinks provided through openings 40 for receiving fastening screws 39.
- FIG. 6 shows a front view of the frame part 16 produced from the development according to FIG. 4 from the inside.
- the outer leg 4 with its miter edges 25 and 26 and the fastening tab 18 protruding from the miter edge 25 is visible here.
- the position of the openings 19 with their passages 20 in the fastening tab 18 and the through openings 44 is also illustrated.
- the arrangement and design of the gradations mentioned is shown. These start from the longitudinal edges 29 and 39 of the outer leg 4, whereby the length of the miter edges 25 and 26 is shortened accordingly.
- the gradations at the end 31 are formed as recesses 33 and 34 and at the end 32 as projections 35, 36.
- the gradations form support surfaces for the frame parts to be connected to one another in each case, which effectively supplement the connection of the frame parts 16 and 17 by the fastening screws 39.
- 6 also shows the tongue 27 projecting from the inner end leg 5 and the slots 42 arranged in the outer end leg for the cross bars 3.
- the outer end leg 6 is shortened at both ends 31, 32, namely by the width of the fastening tabs 21 and 22, which as a result can be placed directly on the intermediate legs 7 of the frame parts 16, 17 and fastened there.
- FIG. 7 shows a side view of the frame part 16 produced from the development according to FIG. 4 for a side frame 2.
- the inwardly bent fastening tab 18 with the openings 19 and the passages 20 surrounding them enables a flush connection with subsequent frame parts, the Insert tongue 27 facilitates the guiding and positioning with the subsequent frame part during assembly and, when assembled, contributes to improving the stability of the scaffold.
- FIG. 8 shows a development of a cross member 3 according to the present invention.
- fastening tabs 21 and 22 are provided on both sides, which are bent in the final state, and which serve to engage in the side frame 2. Openings 23 with passages 24 surrounding them for thread-forming fastening screws 39 are arranged in the fastening tabs 21, 22 in order to be able to establish the connection to the frame parts 16, 17 in the region of the intermediate legs 7, as has already been mentioned.
- the cross member 4 has tongues 37 which are inserted into slots 42 of the frame parts 16, 17 in order to achieve precise positioning during assembly and good corner rigidity in the assembled state of the scaffold. hold .
- FIG. 9 shows a plan view of the cross beam 3 produced from the development according to FIG. 8.
- the cross bar 3 has fastening tabs 21, 22 which are bent inwards by the thickness of the material at both ends and which are provided with passages 24 for the thread-forming fastening screws 39.
- the cross member 3 has tongues 37 which, as already mentioned, are inserted into slots 38 of the frame parts 16, 17 in order to obtain precise positioning during assembly and good corner rigidity in the assembled state of the scaffold.
- FIG. 10 shows a front view of the cross member 3 produced from the development according to FIG. 8.
- the cross bar 3 has cranked fastening tabs 21 and 22 at both ends, which are provided with openings 23 and passages 24 for the thread-forming fastening screws 39.
- the cross member 3 has tongues 37, which, as already mentioned, are inserted into slots 38 of the frame parts 16, 17 serving as counter elements in order to obtain precise positioning during assembly and good corner rigidity in the assembled state of the scaffold.
- FIG. 11 shows an end view to illustrate the profile shape of the cross member 3, which is made from the sheet metal part according to FIG. 8.
- This profile shape has two main legs 41 and 42 which are at right angles to one another and end legs 43, 44 extending from these.
- the fortification see 21 is located on the inner main leg 41, while the fastening tab 22 extends from the outer main leg 42.
- Both fastening tabs are - like the fastening tabs 18 - cranked inwards by the thickness of the material, so that there are flush transitions at all scaffolding corners 8 to 15 (FIG. 1).
- FIG. 12 shows in detail the execution of the passages 24 for the thread-forming screws 39 in the cranked fastening tabs 21, 22 in a section along the line XII-XII in FIG. 10.
- These passages 24 are necessary in particular for thread-forming fastening screws because of the low material thickness of the frame parts they get a sufficient hold.
- the invention creates a screwed steel profile frame with great deformation rigidity, which has flush transitions between the profile pieces on the entire circumference.
- the increased stability is also achieved in that, in addition to the cranked fastening tabs for the screw connection, additional elements are provided for a form-fitting support in the form of stamped tongues.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Connection Of Plates (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UA2003109392A UA74637C2 (en) | 2001-04-20 | 2002-04-04 | Screwed sectional steel frame |
EP02764043A EP1380081A1 (de) | 2001-04-20 | 2002-04-04 | Profilstahlgerüst aus verschraubten profilstücken |
KR1020037013625A KR100576951B1 (ko) | 2001-04-20 | 2002-04-04 | 나사에 의해 연결된 프로파일 부재로 이루어진 조합 강철프레임 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10120738.7 | 2001-04-20 | ||
DE10120738A DE10120738C1 (de) | 2001-04-20 | 2001-04-20 | Profilstahlgerüst aus verschraubten Profilstücken |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002087035A1 true WO2002087035A1 (de) | 2002-10-31 |
Family
ID=7682976
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/001345 WO2002087035A1 (de) | 2001-04-20 | 2002-04-04 | Profilstahlgerüst aus verschraubten profilstücken |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1380081A1 (de) |
KR (1) | KR100576951B1 (de) |
CN (1) | CN1295829C (de) |
DE (1) | DE10120738C1 (de) |
UA (1) | UA74637C2 (de) |
WO (1) | WO2002087035A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004038653A1 (de) * | 2004-08-09 | 2006-02-23 | Siemens Ag | Gerüst zum Halten von Geräten |
DE102011085604B4 (de) * | 2011-11-02 | 2019-01-31 | Siemens Aktiengesellschaft | Gerüstelement für ein Rahmengerüst für elektrische Schaltanlagen, Schaltschränke oder dergleichen |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1885649B (zh) * | 2006-06-12 | 2010-10-06 | 上海微电子装备有限公司 | 机架或机箱安装用的钣金框架柜及机架或机箱的安装方法 |
DE202007008202U1 (de) | 2007-06-08 | 2007-11-08 | Vamotec Ag | Rahmengestell für einen Schaltschrank und Eckverbinder |
DE102009017834A1 (de) | 2009-04-20 | 2010-10-21 | Elcos Gmbh | Rahmengestell sowie ein aus dem Rahmengestell aufgebauter Schaltschrank |
DE102011006744A1 (de) * | 2011-04-04 | 2012-10-04 | Bombardier Transportation Gmbh | Gerüst, insbesondere für elektrische Einrichtungen in einem Schienenfahrzeug, und Verfahren zur Herstellung des Gerüsts |
CN102227048B (zh) * | 2011-04-06 | 2013-12-04 | 唐山盾石电气有限责任公司 | 一种配电柜框架角的连接方法 |
DE102012001097B3 (de) * | 2012-01-20 | 2013-04-25 | Rittal Gmbh & Co. Kg | Sockeleckstück für die Einhandmontage an einem Schaltschrank |
DE202012100319U1 (de) * | 2012-01-31 | 2012-02-29 | Rittal Gmbh & Co. Kg | Rahmengestell, insbesondere für Schaltschränke |
RU2715381C1 (ru) * | 2019-09-11 | 2020-02-27 | Валерий Валерьевич Камаев | Рамный каркас электрическое шкафа |
CN112547929A (zh) * | 2020-11-26 | 2021-03-26 | 童丹桂 | 用于型钢局部二次成型的阳模 |
KR200495360Y1 (ko) * | 2021-09-14 | 2022-05-04 | 강철수 | 배전반 외함 조립구조 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4114336A (en) * | 1975-11-19 | 1978-09-19 | Westinghouse Electric Corp. | Electrical switchboard framework |
FR2566222A1 (fr) * | 1984-06-15 | 1985-12-20 | Alsthom Atlantique | Assemblage en triedre |
DE29923458U1 (de) * | 1999-06-16 | 2000-09-28 | Siemens AG, 80333 München | Gerüst für eine Schaltanlage mit einem Eckstück |
-
2001
- 2001-04-20 DE DE10120738A patent/DE10120738C1/de not_active Expired - Fee Related
-
2002
- 2002-04-04 UA UA2003109392A patent/UA74637C2/uk unknown
- 2002-04-04 CN CNB028076834A patent/CN1295829C/zh not_active Expired - Fee Related
- 2002-04-04 KR KR1020037013625A patent/KR100576951B1/ko not_active IP Right Cessation
- 2002-04-04 WO PCT/DE2002/001345 patent/WO2002087035A1/de not_active Application Discontinuation
- 2002-04-04 EP EP02764043A patent/EP1380081A1/de not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4114336A (en) * | 1975-11-19 | 1978-09-19 | Westinghouse Electric Corp. | Electrical switchboard framework |
FR2566222A1 (fr) * | 1984-06-15 | 1985-12-20 | Alsthom Atlantique | Assemblage en triedre |
DE29923458U1 (de) * | 1999-06-16 | 2000-09-28 | Siemens AG, 80333 München | Gerüst für eine Schaltanlage mit einem Eckstück |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004038653A1 (de) * | 2004-08-09 | 2006-02-23 | Siemens Ag | Gerüst zum Halten von Geräten |
DE102011085604B4 (de) * | 2011-11-02 | 2019-01-31 | Siemens Aktiengesellschaft | Gerüstelement für ein Rahmengerüst für elektrische Schaltanlagen, Schaltschränke oder dergleichen |
Also Published As
Publication number | Publication date |
---|---|
KR20030090759A (ko) | 2003-11-28 |
UA74637C2 (en) | 2006-01-16 |
CN1500301A (zh) | 2004-05-26 |
CN1295829C (zh) | 2007-01-17 |
DE10120738C1 (de) | 2002-07-11 |
KR100576951B1 (ko) | 2006-05-10 |
EP1380081A1 (de) | 2004-01-14 |
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