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Light-weight magnesium alloy passenger vehicle body framework

A magnesium alloy and skeleton technology, which is applied in the field of lightweight magnesium alloy bus body skeleton, can solve the problems of poor welding performance of magnesium alloy, riveting cost, fatigue of welded metal, stress concentration, etc., to overcome low elastic modulus, high specific strength, The effect of strong energy absorption

Pending Publication Date: 2018-06-19
深圳市鑫镁金实业有限公司
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Problems solved by technology

[0004] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a lightweight magnesium alloy bus body frame, which not only effectively solves the quality hidden dangers of welding metal fatigue and stress concentration, but also solves the defective technical problem of poor welding performance of magnesium alloys Problems such as the cost of riveting with the magnesium alloy skeleton make the connection between the magnesium alloy skeleton of the vehicle reliable

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  • Light-weight magnesium alloy passenger vehicle body framework
  • Light-weight magnesium alloy passenger vehicle body framework
  • Light-weight magnesium alloy passenger vehicle body framework

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Embodiment Construction

[0029] Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .

[0030] Please refer to Figure 1-9 , a lightweight magnesium alloy passenger car body frame provided by the embodiment of the present invention includes a body frame 10, a head frame 20, a tail frame 30 and a plurality of connecting mechanisms 40, wherein the head frame 20 is detachably installed on the body frame 20 On the front end of the car body, the rear frame 30 is detachable and installed on the rear end of the body frame 20. In this embodiment, the body frame 10, the front frame 20 and the rear frame 30 are all connected by a plurality of magnesium alloy profiles 50. , that is, the two contacting magnesium alloy profiles 50 are fastened and co...

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Abstract

The invention discloses a light-weight magnesium alloy passenger vehicle body framework which comprises a vehicle body framework body, a vehicle head framework installed at the front end of the vehicle body framework body, a vehicle tail framework installed at the rear end of the vehicle body framework body and multiple connecting mechanisms. Each of the vehicle head framework, the vehicle body framework body and the vehicle tail framework is composed of multiple magnesium alloy section bars in a connected mode, and every two magnesium alloy section bars are buckled and connected into a wholethrough the corresponding connecting mechanism. The potential quality hazards of welded metal fatigue and stress concentration are effectively overcome, the technical problem that a magnesium alloy ispoor in welding performance and the problem that magnesium alloy frameworks are high in riveting cost are solved as well, and connection of the magnesium alloy frameworks of a whole vehicle is reliable.

Description

technical field [0001] The invention belongs to the technical field of bus body structures, and in particular relates to a lightweight magnesium alloy bus body frame. Background technique [0002] In 2016, the total sales volume of passenger cars was 54.3%, and the sales volume of new energy buses accounted for 23.8% of the total bus market. The sales volume of new energy buses was 129,000, accounting for 25.3% of the total sales volume of new energy vehicles; Vehicles are facing elimination and renewal, and new energy buses are ushering in a period of development. The light weight of the vehicle body is very important for saving energy, reducing exhaust emissions, and indirectly increasing the energy density of the battery. According to statistical analysis, the weight of the vehicle can be reduced by 10%, and the fuel efficiency can be increased by 6-8%. The reduction is about 2.5-5g / Km, and the noise can also be reduced by 2 decibels. On the premise of ensuring the stre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D27/06B62D29/00B62D31/00
CPCB62D27/06B62D29/008B62D31/00
Inventor 陈晓阳段江峰
Owner 深圳市鑫镁金实业有限公司
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