WO2011157197A1

WO2011157197A1 - Vehicle frame connection structure

Info

Publication number: WO2011157197A1
Application number: PCT/CN2011/075514
Authority: WO
Inventors: 贾秉成
Original assignee: Jia Bingcheng
Priority date: 2010-06-13
Filing date: 2011-06-09
Publication date: 2011-12-22
Also published as: CN102009698B; CN102009698A

Abstract

A vehicle frame connection structure comprises a side window longitudinal rail (1), a pillar (2), a stiffening beam (3), a roof rail (4), and a roof crossrail (5). The side window longitudinal rail (1) and the pillar (2) are riveted together by a middle corner connection part (6), the side window longitudinal rail(1) and the lower part of the stiffening beam (3) are riveted together, the pillar (2) and the stiffening beam (3) are riveted together, the upper part of the stiffening beam (3) and the roof crossrail (5) are riveted together by a large corner connection part (7), the a roof rail (4) and the roof crossrail (5) are riveted together by a middle corner connection part (6), and the vehicle frame connection structure is made of an aluminum alloy or a magnesium alloy. Because the frame connection structure uses the aluminum alloy or the magnesium alloy, the weight of the body is reduced greatly while the strength is not decreased, the manufacture and operation cost is reduced, the working life is prolonged, and it has a better energy saving and environment protection effect. Using the rivet joint, the stress concentration caused by welding is avoided, the connection is firm, and the crack will not appear.

Description

说明书车架连接结构技术领域本发明涉及一种连接结构，尤其涉及一种车架连接结构，属于汽车连接结构领域。背景技术目前客车的骨架大部分为矩形钢管结构，钢管的连接均为焊接，钢骨架车身重量要比铝骨架的重 1 / 5左右，一个 12米长的普通钢骨架大客车大概有 14. 5吨重，而同样 12米长的铝骨架大客车大概有 11. 5吨重，自重就差 3吨。特别是新能源客车，电池重量就有 2. 5-4 吨重，钢骨架大客车除去电池和自身重量，载客能力就很小了。因此，铝骨架车身是客车制造的一种全新技术发展趋势，然而当车身骨架改为铝型材后，由于焊接会造成应力集中，产生裂纹，需要发明设计一种有效地连接结构，以使铝骨架车身连接安全牢固，使用寿命长。发明内容本发明针对现有技术的不足，提供一种车架连接结构，以使铝车身的连接不至出现裂纹，连接安全牢固，承载能力大，使用寿命长。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure, and more particularly to a frame connection structure, which belongs to the field of automobile connection structures. BACKGROUND OF THE INVENTION At present, the skeleton of a passenger car is mostly a rectangular steel pipe structure, and the connection of the steel pipe is welded. The weight of the steel skeleton body is about 1 / 5 of the weight of the aluminum skeleton, and a 12-meter-long ordinary steel skeleton bus has about 14. 5 The tonnage is heavy, and the same 12-meter-long aluminum skeleton bus has a weight of 11. 5 tons, and its own weight is 3 tons. Especially for new energy buses, the weight of the battery is 2. 5-4 tons. The steel skeleton bus removes the battery and its own weight, and the passenger capacity is very small. Therefore, the aluminum skeleton body is a new technology development trend of passenger car manufacturing. However, when the body frame is changed to aluminum profile, since the welding will cause stress concentration and crack, it is necessary to invent an effective connection structure to make the aluminum frame. The body connection is secure and long lasting. SUMMARY OF THE INVENTION The present invention is directed to the deficiencies of the prior art, and provides a frame connecting structure for preventing the connection of the aluminum body from cracking, the connection is safe and firm, the bearing capacity is large, and the service life is long.

本发明解决上述技术问题的技术方案如下：一种车架连接结构，包括侧窗纵梁、立柱、加强梁、顶盖纵梁和顶盖横梁，所述侧窗纵梁通过中角码与立柱铆接，所述侧窗纵梁与加强梁下部铆接，所述立柱与加强梁铆接，所述加强梁的上部通过大角码与顶盖横梁铆接，所述顶盖纵梁与顶盖横梁通过中角码铆接，该车架连接结构由铝合金或镁合金制成。 The technical solution of the present invention to solve the above technical problems is as follows: A frame connecting structure, comprising a side window longitudinal beam, a column, a reinforcing beam, a roof vertical beam and a roof beam, wherein the side window longitudinal beam passes through the middle corner code and the column Riveting, the side window longitudinal beam is riveted to the lower part of the reinforcing beam, the vertical column is riveted to the reinforcing beam, and the upper part of the reinforcing beam is riveted to the top cover beam by a large angle code, and the top cover longitudinal beam and the top cover beam pass through the middle angle The code is riveted, and the frame connection structure is made of aluminum alloy or magnesium alloy.

本发明的有益效果是：采用铝合金或镁合金制成的连接结构，达到钢材同样或类似的强度情况下减轻重量接近一半的效果，使车身重量大大减轻，强度却没有下降，降低了制造和运营成本，使用寿命长，更加节能环保，公开号为 US6598923B2、 US2072804A的对比文件, 及对比文件 3 (《客车车身轻量化技术探讨》，李阳，客车技术与研究， 1 , 2009-2-28 , 23-25 ), 均没有公开 "达到钢材同样或类似的强度情况下减轻重量接近一半的效果，强度却没有下降"这一技术特征；通过铆接连接，避免了采用焊接方式造成的应力集中，连接牢固，不会出现裂纹；立柱之间采用加强纵梁进行相互连接，使得车体顶部不易扭曲变形，加强了在车体沿加强纵梁方向的抗沖击能力，并且使车体不易扭曲变形；顶盖横梁之间用顶盖纵梁进行连接，使车顶沿顶盖纵梁方向更加稳固，并进一步增强了顶盖向车体上部的支撑；顶盖横梁和顶盖纵梁间采用中角码进行铆接，使得顶盖横梁和顶盖纵梁之间的连接更加牢固，公开号为 US6378444B2的对比文件 4 , 没有公开 "顶盖横梁和顶盖纵梁间采用中角码进行铆接" 这一技术特征。 The invention has the beneficial effects that: the connecting structure made of aluminum alloy or magnesium alloy achieves the effect of reducing the weight by nearly half by the same or similar strength of the steel, so that the weight of the body is heavy The amount is greatly reduced, the strength is not reduced, the manufacturing and operation costs are reduced, the service life is long, the energy saving and environmental protection are more, the publication number is US6598923B2, the comparison document of US2072804A, and the comparison document 3 ("Discussion on the lightweight technology of passenger car body", Li Yang , Bus Technology and Research, 1 , 2009-2-28 , 23-25 ), none of the technical features of "reducing the effect of reducing the weight by nearly half by the same or similar strength of steel, but the strength has not decreased"; The riveted connection avoids the stress concentration caused by the welding method, and the connection is firm and there is no crack; the reinforcing column members are connected to each other by the reinforcing columns, so that the top of the vehicle body is not easily twisted and deformed, and the direction of the longitudinal direction of the vehicle body is strengthened. The impact resistance, and the car body is not easy to twist and deform; the top cover beams are connected by the roof longitudinal beam, so that the roof is more stable along the direction of the roof longitudinal beam, and further enhances the top cover to the upper part of the vehicle body. Support; the top cover beam and the top cover stringer are riveted with a mid-corner code to make the connection between the top cover beam and the top cover stringer more Solid, Publication No. US6378444B2 comparison Document 4 does not disclose "between the roof beams and roof stringer adopted in the caulking angle code" This technical feature.

在上述技术方案的基础上，本发明还可以做如下改进。 Based on the above technical solutions, the present invention can also be improved as follows.

进一步，所述立柱与加强梁及大角码铆接。 Further, the column is riveted with the reinforcing beam and the large corner code.

采用上述进一步方案的有益效果是，立柱、大角码和顶盖横梁连为一体，大角码稍大于 90° 的角度，使得顶盖横梁的受力易于传递给立柱，大大加强了顶盖的抗沖击能力。 The advantage of using the above further solution is that the column, the large corner code and the top cover beam are integrated, and the large angle code is slightly larger than 90°, so that the force of the top cover beam is easily transmitted to the column, and the impact of the top cover is greatly enhanced. Ability to attack.

进一步，所述铆接为环槽铆釘铆接。 Further, the riveting is riveting of the ring groove rivet.

采用上述进一步方案的有益效果是，普通铆釘铆接或自钻铆接一般是钢制或铝制的抽芯铆釘，铆接力小，强度低，造成连接可靠性低、特别是在交变载荷、沖击工况下很容易发生松动，不能适应客车的铆接要求；环槽铆釘有 "一次紧固，永不松动" 的特性，抗震性好、防渗性强、联接强度高，可有效防止构件在震动时的松脱，关于这一技术特征现有技术及对比文件均未公开。 The beneficial effect of adopting the above further solution is that ordinary rivet riveting or self-drilling riveting is generally a steel or aluminum blind rivet with low riveting force and low strength, resulting in low connection reliability, especially in alternating load and impact. Under working conditions, it is easy to loosen and cannot adapt to the riveting requirements of passenger cars. Ring groove rivets have the characteristics of "tightening once, never loosening", good shock resistance, strong impermeability and high joint strength, which can effectively prevent components from vibrating. The release of the time, the prior art and comparative documents on this technical feature are not disclosed.

进一步，所述侧窗纵梁的本体为横截面呈 U型的部件，该 U型截面的两侧分别为第一、第二侧边，该 U型截面的底部为底边，所述于第一侧边与第二侧边相平行，所述底边与第一侧边和第二侧边呈相对垂直。 Further, the body of the side window stringer is a U-shaped cross section, the two sides of the U-shaped section are respectively a first side and a second side, and the bottom of the U-shaped section is a bottom side, One side is parallel to the second side, and the bottom side is relatively perpendicular to the first side and the second side.

采用上述进一步方案的有益效果是，采用加厚的横截面呈 U型的铝合金或镁合金制成的车架部件作用于车身，代替现有的矩形钢管结构的车身，达到钢材同样或类似的强度情况下减轻重量接近一半的效果，这样组合后的车身，重量大大减轻，强度却没有下降，制造和运营成本降低，更加节能环保，而公对比文件 1、 2及对比文件 3均没有公开通过 U结构和加厚的壁，达到钢材同样或类似的强度情况下减轻重量接近一半的效果，这样组合后的车身，重量大大减轻，强度却没有下降；并且能够适应车身不同部位的安装，而且不容易生锈，使用长久。 The advantage of using the above further solution is that the thickened cross section is U-shaped The frame parts made of aluminum alloy or magnesium alloy act on the body to replace the existing body of rectangular steel pipe structure, and the effect of reducing the weight by nearly half by the same or similar strength of the steel, so that the combined body is greatly reduced in weight. , the strength has not decreased, the manufacturing and operating costs are reduced, more energy-saving and environmentally friendly, and the public comparison documents 1, 2 and 3 do not disclose the U-structure and the thickened wall to achieve the same or similar strength of the steel to reduce the weight. Nearly half of the effect, the combined body, the weight is greatly reduced, the strength is not reduced; and can adapt to the installation of different parts of the body, and is not easy to rust, long-term use.

进一步，所述底边与立柱铆接，所述第一侧边与加强梁铆接。进一步，所述立柱、顶盖纵梁和顶盖横梁的本体为方形中空管状结构的部件，所述方形中空管状结构的一个管壁向两侧延展形成第一翻边和第二翻边。 Further, the bottom edge is riveted to the column, and the first side is riveted to the reinforcing beam. Further, the body of the column, the roof rail and the roof beam is a component of a square hollow tubular structure, and a wall of the square hollow tubular structure extends to both sides to form a first flange and a second flange.

采用上述进一步方案的有益效果是，通过中空的矩形结构和加厚的管壁，达到钢材同样或类似的强度情况下减轻重量接近一半的效果，这样组合后的车身，重量大大减轻，强度却没有下降，制造和运营成本降低，更加节能环保，而对比文件 1、 2及对比文件 3均没有公开 "达到钢材同样或类似的强度情况下减轻重量接近一半的效果，强度却没有下降" 这一技术特征；在矩形结构外侧增加延展的翻边，进一步增强部件的强度和抗扭力度，同时翻边还可以作为铆釘连接的位置，得以更牢固的将型材部件之间、以及和其他部件之间固定在一起，采用中空管状的部件可以使用较少的材料，达到足够的强度，对比文件 5 (《现代化汽车壳体铝合金结构部件制造》，刘凯，铝加工， Vo l . 23 , No. 4 , 4-5， 15， 17 , 2000-8-31 ), 没有公开 "采用在矩形结构外侧增加延展的翻边（翼边）具有 "进一步增强部件的强度和抗扭力度的效果" 这一技术特征。 The advantage of using the above further solution is that the hollow rectangular structure and the thickened pipe wall achieve the effect of reducing the weight by nearly half by the same or similar strength of the steel, so that the combined body has a greatly reduced weight and no strength. Declining, manufacturing and operating costs are reduced, more energy-saving and environmentally friendly, and Comparative Documents 1, 2 and 3 do not disclose that "the effect of reducing the weight by nearly half while achieving the same or similar strength of steel, but the strength has not decreased" Features: Adding extended flanging on the outside of the rectangular structure to further enhance the strength and torsional strength of the part, while the flanging can also be used as a position for rivet joints to securely secure the parts between the profile parts and other parts. Together, hollow tubular parts can be used with less material to achieve sufficient strength, Comparative Document 5 ("Modern Automotive Housing Aluminum Alloy Structural Parts Manufacturing", Liu Kai, Aluminium Processing, Vo l . 23 , No. 4 , 4-5, 15, 17 , 2000-8-31 ), not disclosed "in rectangular structure Increasing extending side cuffs (blade side) having, "to enhance the effect of the strength and torsional strength member" of this technical feature.

进一步，所述立柱本体通过其方形中空管状结构上与翻边垂直的平面与侧窗纵梁铆接，并且所述第一翻边和第二翻边与加强梁铆接；或所述顶盖纵梁或顶盖横梁本体通过其方形中空管状结构上与翻边垂直的平面铆接。 Further, the column body is riveted to the side window longitudinal beam through a plane perpendicular to the flange on the square hollow tubular structure, and the first flange and the second flange are riveted with the reinforcing beam; or the roof longitudinal beam Or the top cover beam body is riveted through a plane perpendicular to the flange on its square hollow tubular structure.

进一步，所述加强梁的本体为长条形凹槽结构的部件，包括位于两侧的第一侧边和第二侧边，所述第一侧边和第二侧边平行设置并与其呈相对垂直的底边一体设置，所述底边宽于两侧边。 Further, the body of the reinforcing beam is a component of an elongated groove structure, including The first side and the second side of the two sides, the first side and the second side are disposed in parallel and are integrally disposed with a relatively vertical bottom edge thereof, the bottom side being wider than the two sides.

采用上述进一步方案的有益效果是，槽型结构配合壁厚加厚，能在保证整车刚度的情况下大幅度降低车身重量，且有利于和其它铝型材部件配合铆接。铝合金不易被腐蚀的特点，使得骨架本身寿命可长达 25年，整车废后该部件还可回收利用，相对降低了整车成本，而对比文件 1、 2及对比文件 3均没有公开 "达到钢材同样或类似的强度情况下减轻重量接近一半的效果，强度却没有下降"这一技术特征；底边宽度大于两个侧边宽度的结构设计，可使与底边相固定的车架立柱以及其他部件连接稳固，车架不易扭曲，现有技术及对比文件均没有公开这一技术特征；槽的两个翻边可有效防止本车架部件受外力沖击而弯曲，保证了车体侧围的抗沖击能力，现有技术及对比文件均没有公开这一技术特征。 The advantage of using the above further solution is that the groove structure is thicker than the wall thickness, which can greatly reduce the weight of the vehicle while ensuring the rigidity of the whole vehicle, and is advantageous for riveting with other aluminum component parts. The aluminum alloy is not easily corroded, so that the life of the skeleton itself can be as long as 25 years. After the vehicle is scrapped, the part can be recycled, which reduces the cost of the whole vehicle, while the comparison documents 1, 2 and 3 are not disclosed. Achieving the effect of reducing the weight by nearly half by the same or similar strength of the steel, but the strength is not degraded." This technical feature; the design of the bottom edge width is greater than the width of the two sides, the frame column can be fixed with the bottom edge The other components are connected firmly, and the frame is not easy to be twisted. The prior art and the comparison documents do not disclose this technical feature; the two flanges of the groove can effectively prevent the frame component from being bent by external force, thereby ensuring the side of the vehicle body. The technical capability of the surrounding, the prior art and the comparative documents do not disclose this technical feature.

进一步，所述底边为铆接处。 Further, the bottom edge is a riveted joint.

采用上述进一步方案的有益效果是，通过侧边铆接，能够增强连接牢固性，提高侧围骨架的抗弯强度。 The advantage of using the above further solution is that the side riveting can enhance the connection firmness and improve the bending strength of the side frame.

进一步，所述大角码及中角码上至少设有一个铆釘孔。 Further, at least one rivet hole is provided on the large corner code and the middle corner code.

采用上述进一步方案的有益效果是，可根据实际需要选择适当的铆釘数铆接。 The advantage of using the above further solution is that an appropriate number of rivets can be selected according to actual needs.

进一步，所述车架连接结构由牌号为 6005T5或 6005T6或 6082T5 或 6082T6或 7A04或 7003或 7005的铝合金制成。 Further, the frame connection structure is made of an aluminum alloy having a designation of 6005T5 or 6005T6 or 6082T5 or 6082T6 or 7A04 or 7003 or 7005.

采用上述进一步方案的有益效果是，可根据实际使用的需要选择合适的铝合金材料，以方便使用。附图说明图 1为本发明所述的车架连接结构的正面图； The advantage of using the above further solution is that a suitable aluminum alloy material can be selected according to the needs of actual use for convenient use. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front elevational view of a frame connecting structure according to the present invention;

图 2为本发明所述的车架连接结构的背面图； Figure 2 is a rear view of the frame connecting structure of the present invention;

图 3 为本发明所述的车架连接结构的环槽铆釘铆接的放大剖视图。具体实施方式以下结合附图对本发明的原理和特征进行描述，所举实例只用于解释本发明，并非用于限定本发明的范围。 3 is an enlarged cross-sectional view showing the riveting of the ring groove rivet of the frame connecting structure of the present invention. The principles and features of the present invention are described in the following with reference to the accompanying drawings.

如图 1-3所示，本发明所述的用于汽车车身部件的连接结构，包括侧窗纵梁 1、立柱 2、加强梁 3、顶盖纵梁 4和顶盖横梁 5 , 所述侧窗纵梁 1通过中角码 6与立柱 2铆接，所述侧窗纵梁 1与加强梁 3下部铆接，所述立柱 2与加强梁 3铆接，所述加强梁 3的上部通过大角码 7与顶盖横梁 5铆接，所述顶盖纵梁 4与顶盖横梁 5通过中角码 6 铆接，所述加强梁 3的上部通过大角码 7与顶盖纵梁 4铆接，所述铆接为环槽铆釘 8铆接；所述大角码 7或中角码 6上至少一个铆釘孔，用于铆接大角马 Ί的环槽铆釘 8直径为 6. 5匪；所述顶盖纵梁 4与顶盖横梁 5通过中角码 6铆接；所述连接结构由镁合金或牌号为 6005T5 或 6005T6或 6082T5或 6082T6或 7A04或 7003或 7005铝合金制成。 As shown in FIG. 1-3, the connecting structure for an automobile body part according to the present invention comprises a side window longitudinal beam 1, a column 2, a reinforcing beam 3, a roof vertical beam 4 and a roof beam 5, the side The window stringer 1 is riveted to the column 2 by a middle corner code 6, the side window stringer 1 is riveted to the lower part of the reinforcing beam 3, the column 2 is riveted to the reinforcing beam 3, and the upper part of the reinforcing beam 3 is passed through a large corner code 7 The top cover beam 5 is riveted, and the top cover rail 4 and the top cover beam 5 are riveted by a middle corner code 6. The upper part of the reinforcing beam 3 is riveted to the top cover longitudinal beam 4 by a large corner code 7, and the riveting is a ring groove. The rivet 8 is riveted; at least one rivet hole is formed on the large corner code 7 or the middle corner code 6, and the ring groove rivet 8 for riveting the large angle stirrup 8 has a diameter of 6. 5 inches; the top cover longitudinal beam 4 and the top cover beam 5 Riveted by a mid-corner code 6; the joint structure is made of magnesium alloy or grade 6005T5 or 6005T6 or 6082T5 or 6082T6 or 7A04 or 7003 or 7005 aluminum alloy.

所述立柱 2与加强梁 3和大角码 7铆接，所述侧窗纵梁的本体为横截面呈 U型的部件，该 U型截面的两侧分别为第一、第二侧边 101、 102 , 该 U型截面的底部为底边 103 , 所述于第一侧边 101与第二侧边 102相平行，所述底边 103与第一侧边 101和第二侧边 102呈相对垂直，所述底边 103与立柱 2铆接，所述第一侧边 101与加强梁 3铆接。 The column 2 is riveted to the reinforcing beam 3 and the large corner code 7. The body of the side window stringer is a U-shaped cross section, and the two sides of the U-shaped section are the first and second side edges 101, 102, respectively. The bottom of the U-shaped section is a bottom edge 103. The first side 101 is parallel to the second side 102. The bottom edge 103 is perpendicular to the first side 101 and the second side 102. The bottom edge 103 is riveted to the column 2, and the first side edge 101 is riveted to the reinforcing beam 3.

所述立柱 2、顶盖纵梁 4和顶盖横梁 5的本体为方形中空管状结构的部件，所述中空管状结构的一个管壁 201向两侧延展形成第一翻边 202和第二翻边 203 , 所述立柱 2本体通过其方形中空管状结构与翻边垂直的平面与侧窗纵梁 1铆接，并通过其第一翻边 202和第二翻边 203与加强梁 3铆接；所述顶盖纵梁 4或顶盖横梁 5本体通过方形中空管状结构上与翻边垂直的平面铆接。 The body of the column 2, the roof rail 4 and the roof beam 5 is a component of a square hollow tubular structure, and a wall 201 of the hollow tubular structure extends to both sides to form a first flange 202 and a second flange. 203, the body of the column 2 is riveted to the side window longitudinal beam 1 by a square hollow tubular structure and a plane perpendicular to the flange, and is riveted to the reinforcing beam 3 by the first flange 202 and the second flange 203; The body of the cover rail 4 or the roof cross member 5 is riveted through a plane perpendicular to the flange on the square hollow tubular structure.

所述加强梁 3的本体为长条形凹槽结构的部件，包括两侧的第一侧边 301和第二侧边 302 , 所述第一侧边 301和第二侧边 302平行设置并与其呈相对垂直的底边 303—体设置，所述底边 303宽于第一、第二 301、 302侧边，所述底边 303为铆接处。具体试验 The body of the reinforcing beam 3 is a member of an elongated groove structure, including a first side 301 and a second side 302 on both sides, and the first side 301 and the second side 302 are arranged in parallel and The bottom edge 303 is disposed substantially opposite to the first and second sides 301 and 302, and the bottom edge 303 is a riveted portion. Specific test

以图 1-2所示的车架连接结构为例，其截面积 S=0. 00043m², 铝合金 6082T6 的抗拉强度 Rm=310 MPa, 可得抗拉力 F=Rm χ S=l 33300 (牛），其 1米长的重量为 G=2. 7g/cm³ χ 430cm³=l . 16 kg。 Taking the frame connection structure shown in Figure 1-2 as an example, the cross-sectional area is S=0. 00043m ² , and the tensile strength of aluminum alloy 6082T6 is Rm=310 MPa, and the tensile strength F=Rm χ S=l 33300 (Cow), its weight of 1 m is G = 2. 7 g / cm ³ χ 430 cm ³ = l. 16 kg.

与现有技术相比， ^ 设钢骨架纵梁为 40 X 50 X 1. 75矩形钢管，则其 1米长的重量为 2. 378kg ,其到屈服极限时的抗拉力为 F=Rm x S，其中 Rm是抗拉强度，单位是 MPa， S为矩形钢管截面积，单位是 m² , 矩形钢管 Q235 的抗拉强度 Rm是 415MPa , 计算知矩形钢管截面积 S=0. 0003 m², 可得抗拉力 F=Rm x S=124500 (牛），因而图 1-2所示的铝合金纵梁到屈服极限时的抗拉力高于矩形钢管纵梁，而重量却不到矩形钢管纵梁的一半。 Compared with the prior art, ^the steel skeleton longitudinal beam is a 40 X 50 X 1.75 rectangular steel pipe, the weight of one meter is 2.378kg, and the tensile force to the yield limit is F=Rm x S, where Rm is the tensile strength, the unit is MPa, S is the cross-sectional area of the rectangular steel pipe, the unit is m ² , the tensile strength Rm of the rectangular steel pipe Q235 is 415 MPa, and the cross-sectional area of the rectangular steel pipe is calculated to be S=0. 0003 m ² , The tensile strength F=Rm x S=124500 (bovine) is obtained, so the tensile strength of the aluminum alloy longitudinal beam shown in Figure 1-2 to the yield limit is higher than that of the rectangular steel longitudinal beam, but the weight is less than the rectangular steel pipe. Half of the stringer.

因此我们可以看出使用本发明的车架连接结构在达到现有骨架为矩形钢管结构的客车的强度的同时，能够大大减轻车身重量，减少能耗，并且不会生锈，延长使用寿命。以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。 Therefore, it can be seen that the frame connecting structure of the present invention can greatly reduce the weight of the vehicle body, reduce the energy consumption, and not rust and prolong the service life while achieving the strength of the existing passenger car having a rectangular steel pipe structure. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., which are within the spirit and scope of the present invention, should be included in the protection of the present invention. Within the scope.

Claims

权利要求书 Claim

1、一种车架连接结构，其特征在于，包括侧窗纵梁、立柱、加强梁、顶盖纵梁和顶盖横梁，所述侧窗纵梁通过中角码与立柱铆接，所述侧窗纵梁与加强梁下部铆接，所述立柱与加强梁铆接，所述加强梁的上部通过大角码与顶盖横梁铆接，所述顶盖纵梁与顶盖横梁通过中角码铆接，该车架连接结构由铝合金或镁合金制成。 A frame connecting structure, comprising: a side window longitudinal beam, a column, a reinforcing beam, a roof vertical beam and a roof beam, wherein the side window stringer is riveted to the column by a middle corner code, the side The window longitudinal beam is riveted to the lower part of the reinforcing beam, the vertical column is riveted to the reinforcing beam, and the upper part of the reinforcing beam is riveted to the top cover beam by a large angle code, and the top cover longitudinal beam and the top cover beam are riveted by the middle corner code, the vehicle The frame connection structure is made of aluminum alloy or magnesium alloy.

2、根据权利要求 1所述的车架连接结构，其特征在于，所述立柱与加强梁及大角码铆接。 2. The frame connecting structure according to claim 1, wherein the column is riveted to the reinforcing beam and the large corner code.

3、根据权利要求 1或 2所述的车架连接结构，其特征在于，所述铆接为环槽铆釘铆接。 The frame connecting structure according to claim 1 or 2, wherein the riveting is a ring groove rivet riveting.

4、根据权利要求 1或 2所述的车架连接结构，其特征在于，所述侧窗纵梁的本体为横截面呈 U型的部件，该 U型截面的两侧分别为第一、第二侧边，该 U型截面的底部为底边，所述第一侧边与第二侧边相平行，所述底边与第一侧边和第二侧边呈相对垂直。 The frame connecting structure according to claim 1 or 2, wherein the body of the side window stringer is a U-shaped cross section, and the two sides of the U-shaped section are respectively the first and the second The two sides, the bottom of the U-shaped section is a bottom edge, the first side is parallel to the second side, and the bottom side is relatively perpendicular to the first side and the second side.

5、根据权利要求 4所述的车架连接结构，其特征在于，所述底边与立柱铆接，所述第一侧边与加强梁铆接。 The frame connecting structure according to claim 4, wherein the bottom side is riveted to the upright, and the first side is riveted to the reinforcing beam.

6、根据权利要求 1或 2所述的车架连接结构，其特征在于，所述立柱、顶盖纵梁和顶盖横梁的本体为方形中空管状结构的部件，所述方形中空管状结构的一个管壁向两侧延展形成第一翻边和第二翻边。 The frame connecting structure according to claim 1 or 2, wherein the body of the upright column, the top cover longitudinal beam and the top cover beam is a component of a square hollow tubular structure, and one of the square hollow tubular structures The tube wall extends to the sides to form a first flange and a second flange.

7、根据权利要求 6所述的车架连接结构，其特征在于，所述立柱本体通过其方形中空管状结构上与翻边垂直的平面与侧窗纵梁铆接，并通过其第一翻边和第二翻边与加强梁铆接； 7. The frame connecting structure according to claim 6, wherein the column body is riveted to a side window longitudinal beam by a plane perpendicular to the flange on a square hollow tubular structure thereof, and passes through the first flange and The second flange is riveted with the reinforcing beam;

或所述顶盖纵梁或顶盖横梁通过其方形中空管状结构上与翻边垂直的平面铆接。 Alternatively, the roof rail or roof rail is riveted through a plane of the square hollow tubular structure that is perpendicular to the flange.

8、根据权利要求 1或 2所述的车架连接结构，其特征在于，所述加强梁的本体为长条形凹槽结构的部件，包括位于两侧的第一侧边和第二侧边，所述第一侧边和第二侧边平行设置并与其呈相对垂直的底边一体设置，所述底边宽于两侧边。 The frame connecting structure according to claim 1 or 2, wherein the body of the reinforcing beam is a member of an elongated groove structure, including first side and second side on both sides The first side and the second side are disposed in parallel and are relatively perpendicular thereto The bottom edge is integrally provided, and the bottom edge is wider than the two sides.

9、根据权利要求 8所述的车架连接结构，其特征在于，所述底边为铆接处。 9. The frame connecting structure according to claim 8, wherein the bottom side is a riveted portion.

10、根据权利要求 1或 2所述的车架连接结构，其特征在于，所述大角码及中角码上至少设有一个铆釘孔。 The frame connecting structure according to claim 1 or 2, characterized in that at least one rivet hole is provided in the large corner code and the middle corner code.

11、根据权利要求 1或 2 所述的车架连接结构，其特征在于，所述车架连接结构由牌号为 6005T5或 6005T6或 6082T5或 6082T6或 7A04或 7003或 7005的铝合金制成。 The frame connecting structure according to claim 1 or 2, wherein the frame connecting structure is made of an aluminum alloy having a designation of 6005T5 or 6005T6 or 6082T5 or 6082T6 or 7A04 or 7003 or 7005.