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Auxiliary frame structure of concrete mixer truck

A technology for concrete mixer trucks and sub-frames, which is applied to the substructure, vehicle parts, transportation and packaging, etc., and can solve problems such as poor ability to withstand impact and alternating stress, weld cracks, and inability to guarantee concrete mixer trucks. , to improve the anti-torsion strength and ensure the effect of safety and reliability

Inactive Publication Date: 2014-03-26
唐雅蓉
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Problems solved by technology

[0002] At present, most of the mixer trucks produced in China are remanufactured from the domestic second-class chassis with special upper-mounted structures (mixing drum, sub-frame and front and rear brackets). The sub-frame usually adopts the traditional longitudinal beam + beam structure, such as figure 1 As shown, the beam is an L-shaped structure, and each beam is evenly arranged and fixed between two longitudinal beams and forms a 90° angle with the longitudinal beams. This kind of frame structure has poor ability to withstand impact and alternating stress, and is easy to Stress concentration causes weld cracks in some parts, which cannot guarantee the safety and reliability of the concrete mixer truck during mixing.

Method used

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Embodiment Construction

[0011] Such as figure 2 As shown, the present invention is mainly composed of a longitudinal beam 1 and a crossbeam. The longitudinal beam 1 is connected with a middle beam 2 and an X beam 3. The X beam 3 is composed of two beams to form an X-shaped structure. The middle beam 2 is located in the middle of the longitudinal beam 1, the middle beam 2 and the longitudinal beam 1 are perpendicular to each other, the X beam 3 is located on both sides of the middle beam 2, the four ends of the X beam 3 are connected with the longitudinal beam 1, by setting the X Beam 3 is used to improve the torsional strength of the subframe of the mixer truck.

[0012] The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replaceme...

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Abstract

The invention discloses an auxiliary frame structure of a concrete mixer truck. The auxiliary frame structure is mainly composed of girders and beams. A middle beam and X beams are connected to the girders. Each X beam is of an X-shaped structure formed by combining the two beams. The auxiliary frame structure has the advantages that the torsion resisting strength of an auxiliary frame of the mixer truck can be effectively improved, and driving safety and reliability of the concrete mixer truck in the mixing process are guaranteed.

Description

technical field [0001] The invention relates to the field of design and manufacture of auto parts, in particular to an auxiliary frame structure of a concrete mixer truck. Background technique [0002] At present, most of the mixer trucks produced in China are remanufactured from the domestic second-class chassis with special upper-mounted structures (mixing drum, sub-frame and front and rear brackets). The sub-frame usually adopts the traditional longitudinal beam + beam structure, such as figure 1 As shown, the beam is an L-shaped structure, and each beam is evenly arranged and fixed between two longitudinal beams and forms a 90° angle with the longitudinal beams. This kind of frame structure has poor ability to withstand impact and alternating stress, and is easy to Stress concentration causes cracks in some parts of the weld seam, which cannot guarantee the safety and reliability of the concrete mixer truck during mixing. Contents of the invention [0003] The object ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D21/06
Inventor 唐雅蓉
Owner 唐雅蓉
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