• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:

    公开号:NL1015988A1
    申请号:NL1015988
    申请日:2000-08-22
    公开日:2001-02-26
    发明作者:Johannes G Nner；Michael Brodam；Timm Karsten；Christoph Orth
    申请人:Corus Aluminium Profiltechnik；
    IPC主号:
    专利说明:

    Welded multi-chamber hollow profile and method for its manufacture
    The invention relates to a welded hollow profile with several chambers, consisting of several molded and / or force-locked base profiles of an extruded aluminum alloy, which in particular can be used as load-bearing bottom plates in widths greater than 3 m.
    Welding of hollow sections with multiple chambers together to form bottom groups is known in aluminum wagon construction in railway vehicle construction. The so-called "differential construction" is distinguished from the "integral construction" in which the parallel width profiles are welded together (see Aluminum-Taschenbuch, 14th edition, pages 893 to 897). The integral construction enables the production of highly load-bearing bottom profiles, whereby the individual profiles are combined with mounting devices and only then can be processed with specially equipped welding machines.
    Usually with multi-chamber hollow profiles, welding takes place on the top and bottom together, thereby achieving the necessary static load-bearing capacity. In the case of single-sided welding, in addition to the problem of reduced load capacity, there is also the problem of the welding delay. The dimensional accuracy of the entire construction (evenness) is, however, of particular importance with base plates and other width profiles.
    An improvement in the field of welded hollow profiles with multiple chambers must therefore offer a total solution for the following problems: 1. Maximum load capacity
    In addition to the static strength values, the deflection when supporting the bottom profiles by cross beams must also be taken into account. In addition, dynamic loads due to external forces (mass forces, natural compressive and tensile forces) are eligible.
    2. Manufacturing and assembly problems
    When using individual base profiles, these must be positioned, aligned before joining and kept within predetermined tolerances or put into production equipment during joining. The number of manufacturing steps can be reduced to a minimum.
    3. Dimensional accuracy
    Wide profiles must also meet stringent requirements for evenness after welding together from individual base profiles.
    4. Cost problem
    The cost of the hollow profile plate (usually 5 or 7 separate profiles) is mainly influenced by the installation costs, so that a construction suitable for manufacture is necessary.
    According to the invention, the aforementioned problems are solved by a welded hollow profile with multiple chambers, consisting of several base profiles of an extruded aluminum alloy, which are joined together in a form-fit and / or a force-locked manner, by using a rectangular profile open on the narrow side as the base profile. Narrow sides each have upper and lower webs, which are positively connected to the neighboring rectangular profile, the webs on one narrow side consist of a guide body and a hook body and the webs on the opposite narrow side of the rectangle profile consist of a fork body and a clamping body exist, wherein the upper fork of the fork body is preferably shortened by 40-60% relative to the lower fork, and the clamping body is preferably shortened by 10-20% relative to the upper fork and wherein the guide body and the hook body compared to the fork and clamp body over the two to fourfold length protrude from the rectangular profile and that the base profiles are welded on one side in the area of a plug-in connection formed of guide and fork body.
    When the webs on the opposite narrow sides of the rectangle profile consist of a fork body and a clamp body and the upper fork of the fork body is shortened by 40-60% with respect to the lower fork and the clamp body with the upper form by 10- 20% is shortened, base profiles move easily together. First, the upper fork 8a serves as a guide for the coarse alignment of the profiles. Then the clamping body 9 comes into contact with the front part of the hook body 16. When the hook is now retracted further, a lateral force is created. In order to prevent the base profiles from slipping, the lower fork branch of the fork body 8 is designed as an additional guide to receive the guide body 20 of the rectangular profile 5. In this way, the transverse force occurring when the hook body 16 is clicked can be counteracted. The guide and hook body 20, 16 must protrude over the 2- to 4-fold length Li, L2 out of the rectangular profile in comparison with the fork and clamp body 8a, 9, so that the base profile is turned in a controlled manner and a guide body out of guide body a plug-in connection with narrow tolerance can be formed.
    It is particularly advantageous if a welding bath support is provided in the region of the plug-in connection between fork body and guide body. The construction of the narrow sides according to the invention allows the implementation of an integrated weld pool support, which consists of a long guide body and a pointed top fork.
    In order to increase the stiffness of the hollow multi-chamber profile according to the invention, it is proposed according to the invention that from the ratio of the length of the guide and hook webs and the wall thickness "S" of the rectangular profile an extruded length ratio is formed, which is in the range of 1:15 to 1:25. Preferably, the extrusion length ratio is at 1:20 and the wall thickness is between 1.8 and 2.5 mm.
    The method according to the invention for the production of a welded hollow profile with several chambers from separate base profiles with hollow chambers, which are joined together in a form-fitting and / or a force-locked manner, is characterized in that the base profiles with hollow chambers are manufactured by extrusion , which follows an open profile with upper and lower webs on their narrow sides, the webs on one narrow side of the basic profile with hollow chambers consisting of a guide body and a hook body and on the opposite narrow side the webs of a fork body and a clamp body exist, the extruded hollow-chamber base profile is solution-annealed, quenched and heat-cured, then several hollow-chamber profiles are arranged side by side on a roller aisle by lateral pressing against the narrow side so that the guide body is moved into the fork body is retracted and the hook body is hooked to the clamp body and d The form-welded hollow-core base profiles in the region of a joint weld formed from guide and fork body are welded together thermally.
    An AlMgSi07 alloy (6005A) in the state T6 is provided as the alloy for the base profile. With this alloy, both the necessary strength values and the resilient properties of the hook body which are necessary to produce a functioning "clip connection" can be achieved.
    The invention is explained in more detail below with reference to several exemplary embodiments. Herein shows:
    Figure 1 cross section through a basic profile of the hollow profile with multiple chambers according to the invention;
    Figure 2 shows a partial cross-section at the connection point between two basic profiles in the collapsed state;
    Figure 3 part cross section of two base profiles for joining together.
    Figure 1 shows the rectangular profile 1 with two open narrow sides 2, 3. The basic profile 1 consists of a hollow multi-chamber profile with three webs 1a, 1b, 1c, one top and one bottom lo, lu.
    In figure 2 the detail Z of figure 1 and in figure 3 the cutout Y is shown in enlarged form together with an adjacent rectangular profile 4 and 5 respectively. On the top side lo there is an extension body 6 in line with the rectangle profile 1, which is inserted in a fork body 12 of the adjacent rectangle profile 4. Together this results in a plug-in connection 10, with which the two adjacent rectangular profiles 1, 4 are held in the insertion direction and the connection welding direction (see arrow 13 / welding direction).
    On the underside lu of the rectangular profile 1 there is a hook body 7, which grips around the clamping body 14 of the adjacent rectangular profile 4 and thereby cuts (3 °). This allows tensile forces in arrow direction 13 (welding seam direction) and vice versa to be absorbed, so that the neighboring rectangular profiles 1, 4 are secured for mounting purposes by means of the plug-in connection 10 and the clip connection 15, both in the longitudinal and transverse directions.
    Figure 3 shows the state for joining the neighboring rectangular profiles 1, 5. The fork body 8 and the clamp body 9 are distinguished between which the open narrow side 3 of the rectangular profile 1 extends.
    The adjacent rectangular profile 5 is slid into this open narrow side 3, whereby the hook body 16 deforms elastically. For this, it is necessary that the hook body 16 with the rectangular profile 5 be fastened over a spring body 17 protruding very long compared to the opposite body 9. The different positions of the resilient hook body 16 are indicated by a dashed line in Figure 3.
    The positioning of the adjacent rectangle profiles takes place on a common roller corridor 18. As a result, an unambiguous reference surface 19 is produced, on which the neighboring rectangle profiles can be moved during mounting. Before snapping the snap connection 15 into place, it must be ensured that, on the one hand, the elastic deformation of the body 17 without displacement of the neighboring rectangular profiles and, on the other hand, a stable end state in the clipped state is achieved.
    The shortening of the lower fork part of the fork body 8 and of the clamping body 9 relative to the upper fork part 8a also contributes to this. For when the neighboring rectangular profile 5 is slid inwards, the guide body 20 first engages under the upper fork part 8a before the hook body 16 on the clamping body 9 is elastically deformed. This ensures a forced guiding of the adjacent rectangular profiles 1, 5 during mounting.
    In the assembled state (figure 2), welding can follow in the area of the plug-in connection 10. A weld pool support 11 is advantageously formed between the adjacent rectangular profiles 1, 4 on the guide body 20, which requires the execution of a flawless welded-on weld joint. On the opposite side, the snap connection 15 provides a non-positive connection, which counteracts an unreliably large deflection when the hollow profile is loaded with several chambers in arrow direction 21 (load direction).
    权利要求:
    Claims (8)
    [1]
    Welded hollow multi-chamber profile, consisting of several molded and / or force-locked, extruded aluminum alloy base profiles, characterized in that a) the base profiles are formed from rectangular chambers, which are at least on a transition from the narrow side into an open rectangular profile (1), b) on the open narrow side (2) each top and bottom webs are designed, which are positively connected to the neighboring right-angle profile (4, 5), c) the webs on one narrow side (2) consist of a guide body (6) and a hook body (7) and the webs on the opposite narrow side (3) of the rectangular profile consist of a fork body (8) and a clamping body (9), d ) with the upper fork (8a) of the fork body (8) shortened relative to the lower fork and the clamping body (9) shortened relative to the upper fork (8a) and the guide body (6) and the hook body (7) compared to the fork body (8) and clamping body (9) protrude from the rectangular profile (1) over two to fourfold lengths (f) and that the base profiles are welded together on one side in the region of a plug-in connection formed of guide body and fork body.
    [2]
    Welded hollow multi-chamber profile according to claim 1, characterized in that the upper fork (8a) of the fork body (8) is shortened by 40-60% relative to the lower fork and wherein the clamping body (9) is shortened by 10-20% compared to the lower fork (8a).
    [3]
    Welded hollow multi-chamber profile according to one of the preceding claims, characterized in that a weld pool support (11) is formed in the region of the plug-in connection (10) between the fork body and the guide body.
    [4]
    Welded multi-chamber hollow profile according to any one of the preceding claims, characterized in that an extrusion length ratio is formed from the ratio of the length of the guide and hook webs and the wall thickness "S" of the rectangular profile. from 1:15 to 1:25.
    [5]
    Welded multi-chamber hollow profile according to any one of the preceding claims, characterized in that the extruding length ratio is 1:20.
    [6]
    Welded multi-chamber hollow profile according to any one of the preceding claims, characterized in that the wall thickness is between 1.8 and 2.5 mm.
    [7]
    Welded multi-chamber hollow profile according to one of the preceding claims, characterized in that an AlMgSi07 alloy (AA 6005 A) in the state T6 is used as the alloy for the base profile.
    [8]
    Method for the production of a welded hollow multi-chamber profile from separate hollow chamber base profiles which are joined together in a form-fitting and / or a force-locked manner, characterized in that the hollow-chamber base profiles are manufactured by extrusion in such a way that on their narrow side an open profile with upper and lower webs is created, the webs on one narrow side of the basic profile with hollow chambers consisting of a guide body (6) and a hook body (7) and on the opposite narrow side (3 ) the webs consist of a fork body (8) and a clamp body (9), the extruded hollow-chamber base profile is solution-annealed, quenched and heat-cured, then several hollow-chamber profiles are arranged next to each other on a roller conveyor and by side pressing against the narrow sides (2) are moved together until the guide body (6) is pushed into the fork body (8) and the hook body (7) on the clamp body (9) is crocheted and that the form-fitting connected hollow-core base profiles in the region of a welding seam (11) formed from guide body (6) and fork body (8) are thermally welded together. xxxxx
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CH369372A|1958-11-04|1963-05-15|Menziken Aluminium Ag|Wall having profile rails|
    GB1334050A|1970-11-27|1973-10-17|Ver Deutsche Metallwerke Ag|Aluminium or aluminium alloy extrusions and their use in formingside walls for platform type motor vehicles|
    DE8633232U1|1986-12-11|1987-02-19|Alcoa Nederland B.V., 5150 Drunen, Nl|
    US5791714A|1996-08-16|1998-08-11|Sundowner Trailers, Inc.|Floor system for towable horse trailers|DE10104168A1|2001-01-30|2002-08-01|Uti Holding & Man Ag|Girder with double-T, U, or box profile for ceilings, double floors, etc. has tongue-and-groove connection system on upper and lower flanges and consists of fiber-reinforced materials|
    CN1825034B|2005-02-25|2011-04-13|中国国际海运集装箱股份有限公司|Side plate structure in refrigerator body and refrigerator with same|
    JP4531671B2|2005-10-12|2010-08-25|株式会社神戸製鋼所|Hollow panel and manufacturing method thereof|
    DE102007027232A1|2007-06-13|2008-12-18|König Systems GmbH|Hollow profile and telescopically extendable support|
    CN102069849A|2010-12-10|2011-05-25|丛林集团有限公司|Aluminum alloy longitudinal beam for vehicle bottom plate|
    DE102012111287A1|2012-11-22|2014-05-22|F. Hesterberg & Söhne Gmbh & Co. Kg|Dropside for commercial vehicle loading areas|
    CN106402635B|2016-11-08|2019-02-19|朱成祥|Double-colored aluminium flat unit|
    CA3022652C|2018-10-31|2019-10-15|Bombardier Transportation Gmbh|Railcar body made of mating panels having a predetermined gap there in between|
    法律状态:
    2001-05-01| AD1A| A request for search or an international type search has been filed|
    优先权:
    申请号 | 申请日 | 专利标题
    DE29914735|1999-08-23|
    DE29914735U|DE29914735U1|1999-08-23|1999-08-23|Welded multi-chamber hollow profile|
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