CN1004894B - 结构杆材 - Google Patents
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Abstract
一种结构杆材中有两块桁弦和一块在其间连接的腹板。腹板为梯形,有鼓突部分交替向结构杆材的纵向两侧突伸。防止梯形腹板有任何扭结或断裂。桁弦用连续焊缝或有限长度焊缝和腹板的边缘焊接,有限长度焊缝至少在结构杆材的纵向上、总的形成连续焊缝。因此,结构杆材的承载能力或支承能力可以准确测定,从而避免量度超过要求。
Description
本发明所涉为一种有两块桁弦(chord)和连接该两桁弦的直立腹板的结构杆材,其中一块桁弦是该结构杆的上桁弦,另一块是其下桁弦,该腹板有交替向该结构杆纵向两边缘伸出的鼓突部分。
这种结构杆材在诸如西德实用新型公告第DE-GM8,420,684.5号中而有揭示。在这先有技艺领域公告中的图3所示实施方案中,腹板用有限长度的局部焊缝,和两桁弦焊接,焊缝在该腺板的外侧形成。根据本先有技艺的公告的图2所示的实施方案中,用双焊缝将腹板和桁弦连接,双焊缝在该腹板的该各鼓突部分之间的腹板分段上布置,焊缝长度有限。
虽然这种结构杆材或金属梁可在许多方面应用,但在实践中发现,不可能准确计算可在这种杆材上加的负荷,因此需要有超过要求的尺寸。然而超过要求的尺寸使结构杆材的重量增大,因而搬运和实际使用时不十分经济。
本发明的目的,是改进DE-GM第8,420,684.5号中揭示的结构杆材,使其承载能力可以准确计算,避免不必要的过大尺寸。
因此,本发明的目的,是提出一种结构杆材,其上下两桁弦和设放在该两桁弦之间的腹板上下两侧缘连接,或沿桁弦的全长连续和该桁弦连接,例如作无间断的连接。因此,甚至该杆件用钢之类的金属制造时,可以进行减轻重量的结构杆材施工。这种轻型施工结构杆材可以普遍用于一切静力***,承受一切类型的载荷,而不必有超过要求的尺寸或量度。因此,可以用简单而有利的方式生产这种结构杆材,节省大量的材料,减小体积,降低重量。这种结构杆材可在任何地点生产,不需被复杂的生产装置,因此发展中国家可以经济生产,保证良好质量。
例如,假使桁弦用金属制造,在本实施方案中该腹板也用金属制造时,便可利用至少在该腹板一侧的一条连续焊缝,把桁弦和该腹板连接,或在该腹板的一侧或两侧,用交替的分段焊缝焊接。在另一实施方案中,用该腹板相对两侧上的两条焊缝,把桁弦和腹板连接,两条焊缝连续,举例为无间歇焊缝。
据本发明所提出的另一特点,腹板为一条扁平的带材,弯析成鼓突形状,各段互相倾斜,互相用圆形部分或弧形相连,从而避免在连接处或转弯处有缝利弯角,而造成材料的结构变化,相应降低鼓突处转弯部分的强度,这强度下降也会造成该桁弦和该腹板之间的强度下降,或使强度难以确定。根据本发明所提出,可以避免这种无法控制的下降,并不在结构杆材的全部长度上,取得平均的性能,并且可以不用复杂的生产及控制装置或机械,在中间腹板和这腹板连接的桁弦之间,用焊缝连接。
利用本发明可以生产用诸如金属等制造的结构梁,对其载荷的检查和计算没有困难,因而其承载能力可以准确计算。可以生产各种有直线形,斜线形,圆锥线或其他弯段结构杆材,其该腹板的截面为梯形。这结构杆材可以用铝,钢或其他适当材料制造,任一情况下都可作减轻重量的施工用。可以进行完全的自动化生产。在腹板的全部长度上,梯形段或波形段之间的弧形连接,可保证结构杆材的均匀性能,从而保证其均匀强度。因此,本发明的结构杆材可按最佳化方式承受各种荷载。截面可以对称或不对称。因此,可以使上下桁弦平行放置,或互相倾斜。
腹板的鼓突部和桁弦形成10°至170°的角度,最好在60°至120°之间。鼓突部的侧边和结构杆材或其腹板的纵向轴线倾斜1°至89°。
结构杆材腹板的最简单实施方案,用带形材料,条形材料或其他一和扁平带制造。但也可以用有最佳安排形式的有开敞形状或闭合形状的定形材料制造。例如扁平材料可以将金属坯料热轧形成。
根据本发明所提出,结构杆材的变形,及其相应的承载能力的下降,可用可靠的方法检测,还可按最佳方式确定这种杆材的尺寸。并且,这种杆材可以经济生产,可能有各种截面和/或形状。
附图概略表示本发明结构杆材的若干实施方案,附图内容如下:
图1为本发明一个实施方案中结构杆材一端的透视图,
图2为图1结构杆材纵向水平的局部截面图,
图3至9为图2所示本发明结构杆材其他实施方案的局部水平剖视图。
结构杆材(1)有上桁弦(2)和下桁弦(3),其间用直立腹板(4)连接,如图1所示。虽然在图1中,桁弦(2及3)互相平行伸展,与腹板(4)基本垂直,但也可以在不与腹板(4)或90°方向伸展,因此互相不平行。该桁弦和腹板(4)的角度可以处于10°至170°之间,以60°至120°最宜,而最好在75°与105°之间。
在图1及2的实施方案中,桁弦(2及3)可以用带形材料或扁平带材制造。然而也可以用已知的有U形,工字形,倾斜或其他截面形状的定形材料制造。并且,也可以用有圆形,矩形或其他中空截面形状的闭合形状的材料制造。
腹板(4)在其纵向上弯析,形成鼓突部(5及6),交替向该结构杆材(1)的两纵向边缘鼓突。这种鼓突的侧边(7)的伸展方向,和结构杆材(1)的纵向轴线,倾斜1°至89°,而连接每一鼓突部(5及6)的侧边(7)的部分(9),基本沿该结构杆材(1)的纵向伸展。
鼓突部的侧边(7)和线段(9)之间的过渡或连接有弧形(8),其圆弧半径最好至少是腹板(4)厚度的1.5倍。
因此可避免各鼓突(5及6)之间和鼓突各部分之间的会造成腹板(4)材料性能的无法控制的变化的尖锐角缘或接头。
按照图2,用连续不间断焊缝10,把桁弦(2及3)分别和腹板(4)的上下边缘焊接。在图3的实施方案中,焊接利用腹板(4)两侧的两条不间断焊缝(11及12)。应该认识到由于每一鼓突部(5及6)的各分段之间有弯弧(8),各焊线(分别为10,11及12)不间断均匀伸展,故不难形成均匀的焊缝。
在图4的实施方案中,焊缝(13及14)有有限的长度,交替布置在腹板(4)的任何一侧,而总的形成腹板(4)和桁弦(2及3)之间的连续焊接。
虽然在图1至4的实施方案中,结构杆材(1)有一条腹板(4),用扁平带形材料弯曲成形,而在图5及6示的实施方案中,桁弦(2及3)用两条平行的腹板(14及15)互相连接,腹板用外侧的焊缝(分别为16及17),和桁弦(2及3)焊接。在图5的实施方案中,腹板(14及15)的鼓突部(18及19)互相相对,而在图6的实施方案中,这种鼓突部互相偏侧相对。并且在这几个实施方案中,腹板(14及15)为扁平带材,按需要的形状弯折,从而在这些腹板上,不出现锋利的角缘。
还可能用两个以上的定形扁平带材制造的腹板,把桁弦(2及3)连接。
这样形成的圆弧(8),其半径至少为这种腹板(分别为4及14,15)材料厚度的1.5倍。这样可以避免连续腹板弯析处强度的降低。
本发明的一个重要特点,是腹板(分别为4及14,15)用不间断或连续扁平带,片形,带形或条形材料制造,这种腹板为梯形,有圆弯弧(8),否则结构杆材的承载能力或可加荷载便不能计算,相应不能计算其最佳量度或尺寸。
据发现按照本发明生产的结构杆材,假如弯成梯形的腹板仅和这种结构杆材的桁弦的一部分连接,也就是仅有某些段焊接,承载能力也可以计算,在图7至9中示出了这类实施方案。
根据图7所示,在梯形腹板(4)的分段(22)的一侧,设置有限长度的焊缝(21),腹板在结构杆材(1)的纵向上伸展。在这实施方案中,腹板(4)相应仅用有限长度的焊缝(21),和桁弦(2及3)焊接。腹板(4)的倾斜段(23)不和桁弦(2及3)焊接。据发现这种结构杆材的支承能力或承载能力也可以计算,因而这种结构杆材中可以有扁平带材,并可在降低重量的施工中制造。
按图8所示,在桁弦(2及3)之间直立伸展的腹板(4)与图7所示相似,仅沿结构杆材(1)纵向伸展的直线段,和桁弦(2及3)焊接。然而在这实施方案中,在腹板(4)的两侧,交替布置有限长度的焊缝。
在图9的实施方案中,也是仅沿结构桁材(1)纵向伸展的腹板(4)分段(22),和桁弦(2及3)焊接。然而在这实施方案中,在分段(22)的两侧布置焊缝(21)。
虽然上文对本发明的金属结构杆材已作解说,但是这种结构杆材也可以用塑料,或塑料与木材结合,或塑料与金属结合制造。在任一情况下,梯形腹板(4)中的不间断或连续带材或条形材,必须不含有足以降低强度的扭结或断裂。也就是在结构杆材的全部长度中,腹板材料应该有均匀的性质。
假使结构杆材的部分中有塑料和/或木材,或者和金属结合,这些部分可用适当的粘合剂粘接。
Claims (11)
1、一种结构杆材中有用直立的腹板在其间连接的上下桁弦,腹板有交替向该杆材的两纵向边缘突伸的鼓突部分,其特征为该两桁弦沿其长度,连续和该腹板固定。
2、如权利要求1中之结构杆材,其特征为该桁弦用连续焊接,和该腹板固定,焊缝可以布置在该腹板的一侧或另一侧。
3、如权利要求2中之结构杆材,其特征为该连续焊接为不间断焊接。
4、如权利要求1中之结构杆材,其特征为该桁弦各用两条相对的连续焊缝,和该腹板焊接。
5、如权利要求1中之结构杆材,其特征为该腹板为弯成所要求的形状的连续扁平带,该鼓突部的各倾斜段,用该扁平带的圆形弯曲部分连接。
6、如权利要求1中之结构杆材,其特征为该腹板的该鼓突部,可沿其纵向段或其截面,和该桁弦倾斜10°至170°。
7、如权利要求1中之结构杆材,其特征为每一该鼓突部的斜边,和该结构杆材的纵向轴线倾斜10°至89°。
8、如权利要求1中之结构杆材,其特征为该腹板至少有两条按要求的形状弯折定形的平行扁平带。
9、如权利要求1中之结构杆材,其特征为该桁弦和该腹板,各为一个整体的焊接在一起的热轧扁平钢带。
10、如权利要求1中之结构杆材,其特征为该腹板为一条连续的不间断条式带,直线段之间的圆弧半径,至少等于腹板材料厚度的1.5倍。
11、如权利要求1中之结构杆材,其特征为仅在该结构杆材纵向上的该腹板分段上,设置连续的焊缝。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DEG8600280.5 | 1986-01-08 | ||
DE8600280U DE8600280U1 (de) | 1986-01-08 | 1986-01-08 | Profilstab |
Publications (2)
Publication Number | Publication Date |
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CN87100148A CN87100148A (zh) | 1987-08-19 |
CN1004894B true CN1004894B (zh) | 1989-07-26 |
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Application Number | Title | Priority Date | Filing Date |
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CN87100148.9A Expired CN1004894B (zh) | 1986-01-08 | 1987-01-07 | 结构杆材 |
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US (1) | US5012626A (zh) |
EP (1) | EP0232549A1 (zh) |
JP (1) | JP2594299B2 (zh) |
CN (1) | CN1004894B (zh) |
AU (1) | AU591403B2 (zh) |
BG (1) | BG50053A3 (zh) |
BR (1) | BR8607080A (zh) |
CA (1) | CA1288571C (zh) |
CS (1) | CS259547B2 (zh) |
DD (1) | DD261181A5 (zh) |
DE (1) | DE8600280U1 (zh) |
DK (1) | DK465587D0 (zh) |
FI (1) | FI873878A0 (zh) |
HU (1) | HUT44303A (zh) |
IL (1) | IL81180A (zh) |
IN (1) | IN166533B (zh) |
MX (1) | MX171632B (zh) |
NO (1) | NO873724D0 (zh) |
NZ (1) | NZ218857A (zh) |
OA (1) | OA08653A (zh) |
PL (1) | PL157217B1 (zh) |
PT (2) | PT84082A (zh) |
RO (1) | RO103630B1 (zh) |
SI (1) | SI8710016B (zh) |
WO (1) | WO1987004207A1 (zh) |
YU (1) | YU46872B (zh) |
ZA (1) | ZA8718B (zh) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8628151D0 (en) * | 1986-11-25 | 1986-12-31 | Tri Trading Ltd | Beams |
DE8717265U1 (de) * | 1987-10-28 | 1988-07-21 | Maschinenbau Gerold GmbH + Co KG, 4054 Nettetal | Vorrichtung zum Herstellen von Trägern für Bauzwecke und dgl. |
GB9219869D0 (en) * | 1992-09-18 | 1992-10-28 | Univ Edinburgh | Light weight beam system |
US5507522A (en) * | 1994-03-03 | 1996-04-16 | The Budd Company | Hybrid frame rail |
US5417022A (en) * | 1994-03-03 | 1995-05-23 | The Budd Company | Hybrid frame rail |
EP0827560A1 (en) * | 1996-02-05 | 1998-03-11 | Trevor Challender | A structural section |
US5956919A (en) * | 1997-09-08 | 1999-09-28 | Wilian Holding Co. | Spanning member with convoluted web and C-shaped flanges |
DE19755189C2 (de) * | 1997-12-12 | 2000-05-31 | Wilhelm Tamke | Grundplatte für Maschinen und Anlagen |
US6976343B2 (en) * | 2003-04-24 | 2005-12-20 | Mcgushion Kevin D | Compressive flange sinusoidal structural member |
AU2003903142A0 (en) * | 2003-06-23 | 2003-07-03 | Palmer Tube Mills (Aust) Pty Ltd | An improved beam |
US20060237588A1 (en) * | 2005-03-31 | 2006-10-26 | The Boeing Company | Composite structural member having an undulating web and method for forming the same |
US20120036813A9 (en) * | 2005-04-27 | 2012-02-16 | Lakdas Nanayakkara | Multi-element constructional assembly |
US9340977B2 (en) * | 2005-04-27 | 2016-05-17 | Lakdas Nanayakkara | Multi-element constructional assembly for joist girders |
DE102006054818A1 (de) * | 2006-11-21 | 2008-05-29 | Prof. Feix Research & Development Gmbh & Co. Kg | Trägerelement, Lageranordnung und Einstellanordnung für eine Biegeweichenanordnung |
CN103590377B (zh) * | 2013-11-13 | 2016-01-06 | 华北水利水电大学 | 用波腹型钢做主梁的弧形钢闸门 |
CN107781455A (zh) * | 2016-08-26 | 2018-03-09 | 浙江盾安禾田金属有限公司 | 切换阀 |
DE102017114558A1 (de) | 2017-06-29 | 2019-01-03 | Spelten Consulting Gmbh | Verfahren zur Herstellung eines Stahlprofils |
DE102020001103A1 (de) | 2020-02-20 | 2021-08-26 | Daimler Ag | Aluminiumtragstruturfür eine Aufnahme zumindest eines Antriebsbauteils einer Antriebseinrichtung eines Kraftfahrzeugs |
CN112853924A (zh) * | 2021-01-11 | 2021-05-28 | 武汉大学 | 一种螺栓连接波纹腹板组合梁 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2065493A (en) * | 1934-09-27 | 1936-12-22 | Gerald G Greulich | Structural member |
DE1058458B (de) * | 1953-08-31 | 1959-06-04 | Wilhelm Reppel | Ausbauelement fuer den Streb- und Streckenausbau aus Stahl oder Leichtmetall fuer den Bergbau |
DE1125137B (de) * | 1954-05-18 | 1962-03-08 | Babcock & Wilcox Dampfkessel | Geschweisster Vollwandtraeger mit lotrechten Stegblechauskantungen |
FI36328A (fi) * | 1962-04-25 | 1966-10-10 | Menetelmä puupalkkien valmistamiseksi, joissa on laipat ja aaltomainen uurna | |
FR1353612A (fr) * | 1963-01-17 | 1964-02-28 | Poutre perfectionnée, en particulier pour pont roulant | |
NL6405964A (zh) * | 1963-06-05 | 1964-12-07 | ||
US3300839A (en) * | 1963-07-01 | 1967-01-31 | Lihap Ind | Method of making cambered beams |
CH414118A (de) * | 1964-02-12 | 1966-05-31 | Vest Aage | Träger und Verfahren zu seiner Herstellung |
CH453183A (fr) * | 1966-03-09 | 1968-06-14 | Artusi Mario | Procédé de fabrication d'un matériau de construction, installation pour sa mise en oeuvre, matériau obtenu par ce procédé et utilisation de ce matériau de construction |
FR2108984B1 (zh) * | 1970-10-27 | 1974-08-23 | Boutard Claude | |
DE2364297A1 (de) * | 1973-12-22 | 1975-07-24 | Karl Hartmann | Balkenfoermiges bauelement |
DE2444015A1 (de) * | 1974-09-14 | 1976-03-25 | Volkswagenwerk Ag | Biegetraeger |
US4292782A (en) * | 1979-07-18 | 1981-10-06 | Dana Corporation | Sheet metal structural beam |
DE8420684U1 (de) * | 1984-07-11 | 1984-12-13 | Cleef, Friedhelm W. von, 4902 Bad Salzuflen | Stahlprofiltraeger |
-
1986
- 1986-01-08 DE DE8600280U patent/DE8600280U1/de not_active Expired
- 1986-12-27 EP EP86118084A patent/EP0232549A1/de not_active Ceased
- 1986-12-27 BR BR8607080A patent/BR8607080A/pt unknown
- 1986-12-27 AU AU68914/87A patent/AU591403B2/en not_active Ceased
- 1986-12-27 HU HU87891Q patent/HUT44303A/hu unknown
- 1986-12-27 WO PCT/EP1986/000781 patent/WO1987004207A1/de active Application Filing
- 1986-12-27 JP JP62500922A patent/JP2594299B2/ja not_active Expired - Fee Related
-
1987
- 1987-01-02 ZA ZA8718A patent/ZA8718B/xx unknown
- 1987-01-06 IN IN16/CAL/87A patent/IN166533B/en unknown
- 1987-01-06 IL IL81180A patent/IL81180A/xx not_active IP Right Cessation
- 1987-01-06 DD DD87299116A patent/DD261181A5/de unknown
- 1987-01-07 SI SI8710016A patent/SI8710016B/sl unknown
- 1987-01-07 NZ NZ218857A patent/NZ218857A/xx unknown
- 1987-01-07 CN CN87100148.9A patent/CN1004894B/zh not_active Expired
- 1987-01-07 YU YU1687A patent/YU46872B/sh unknown
- 1987-01-07 CA CA000526841A patent/CA1288571C/en not_active Expired - Lifetime
- 1987-01-08 PL PL1987263589A patent/PL157217B1/pl unknown
- 1987-01-08 PT PT84082A patent/PT84082A/pt active IP Right Grant
- 1987-01-08 CS CS87173A patent/CS259547B2/cs not_active IP Right Cessation
- 1987-01-08 MX MX004891A patent/MX171632B/es unknown
- 1987-08-26 RO RO129559A patent/RO103630B1/ro unknown
- 1987-09-04 OA OA59186A patent/OA08653A/xx unknown
- 1987-09-07 BG BG81131A patent/BG50053A3/xx unknown
- 1987-09-07 NO NO873724A patent/NO873724D0/no unknown
- 1987-09-07 DK DK465587A patent/DK465587D0/da not_active Application Discontinuation
- 1987-09-08 FI FI873878A patent/FI873878A0/fi not_active Application Discontinuation
-
1990
- 1990-02-15 US US07/481,793 patent/US5012626A/en not_active Expired - Lifetime
-
1992
- 1992-11-23 PT PT8657U patent/PT8657U/pt not_active IP Right Cessation
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