Longitudinal beam assembly of semitrailer
A longitudinal beam assembly and semi-trailer technology, which is applied to vehicle parts, substructure, transportation and packaging, etc., can solve problems such as inconvenient installation and connection, increase installation steps, and insufficient structural strength, so as to save time and manpower, increase Carrying capacity, stable bearing effect
Active Publication Date: 2021-09-24
沛县迅驰专用车辆制造有限公司
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Problems solved by technology
[0005] The object of the present invention is to provide a semi-trailer longitudinal beam assembly to solve the problem that the existing longitudinal beams proposed in the above background technology are usually single longitudinal beams, and the structural strength is not enough, and the semi-trailer with double longitudinal beams increases installation steps, and does not need It is convenient to install and connect, and the installation efficiency is low. Welding is usually used. Once it is deformed, it is difficult to repair the problem
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[0034] see Figure 1-Figure 7 , the present invention provides a technical solution: comprising: two main girders 1, the two main girders 1 are arranged side by side in parallel;
[0035] A plurality of support beams 2, the support beams 2 are detachably connected between the two main beams 1 at equal distances, and support and fix the main beams 1, and the support beams 2 and the main beams 1 form a frame;
[0036] The driving connection part 4 is arranged at one end of the frame.
[0037] The overall frame is composed of two main beams 1, support beams 2, and drive connection parts 4. The two main beams 1, support beams 2, and drive connection parts 4 can be disassembled and replaced to facilitate subsequent maintenance. The two main beams 1, Both the support beam 2 and the drive connection part 4 adopt the material standards on the existing semi-trailer vehicle, which can meet the use requirements of the semi-trailer vehicle, and through the connection and reinforcement of...
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The invention discloses a longitudinal beam assembly of a semitrailer, and belongs to the field of longitudinal beams of semitrailers. The longitudinal beam assembly comprises two main beams arranged side by side in parallel; multiple supporting beams which are detachably connected between the two main beams at equal intervals and used for supporting and fixing the main beams, wherein the supporting beams and the main beams form a frame; and a driving connecting part which is arranged at one end of the frame. The cross section of the main beam is I-shaped, first connecting holes corresponding to the supporting beams are formed in the main beam at equal intervals, each supporting beam comprises a beam body, mounting plates are fixedly arranged at the two ends of the beam body, and fixing holes corresponding to the first connecting holes are formed in the mounting plates. Through the design of the two main beams and supporting on the two sides, the bearing capacity is improved, and bearing is more stable; through the distribution design of the supporting beams, the two main beams are connected in a reinforced mode, and the mounting efficiency is high; and a detachable connection mode is adopted so that the parts are convenient to replace when being damaged.
Description
technical field [0001] The invention relates to the technical field of semi-trailer longitudinal beams, in particular to a semi-trailer longitudinal beam assembly. Background technique [0002] A semi-trailer is a trailer whose axle is positioned behind the vehicle's center of gravity (when the vehicle is evenly loaded) and is fitted with a hitch that transmits horizontal and vertical forces to the tractor. Semi-trailers are generally three-axle semi-trailers, which are divided into 11-meter barn semi-trailers, 13-meter barn semi-trailers, and low-bed semi-trailers. Heavy transport vehicles. [0003] The chassis of the semi-trailer is usually supported by longitudinal beams, and there are also semi-trailers without longitudinal beams today. [0004] The existing longitudinal beams are usually single longitudinal beams, and the structural strength is not high. The semi-trailer with double longitudinal beams requires additional installation steps, and it is inconvenient to i...
Claims
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IPC IPC(8): B62D21/02
CPCB62D21/02
Inventor 唐青刘敬文
Owner 沛县迅驰专用车辆制造有限公司