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A front buffer device of a semi-trailer transport vehicle

A buffer device and transport vehicle technology, which is applied in the direction of transportation and packaging, tractor-trailer combination, motor vehicles, etc., can solve the problems that the cargo platform of the whole vehicle cannot be lifted, the difficulty of reversing the transport vehicle, and poor road passability, etc., to achieve fast Docking and separation, meeting smoothness requirements, and reliable sealing effect

Active Publication Date: 2017-07-21
中国兵器工业集团第二〇二研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use in recent years has shown that in the actual transportation process, the full-trailer transport vehicle has poor driving operability, large turning radius, poor road passability, and the height of the vehicle cargo platform is fixed and cannot be lifted, especially the transport vehicle is difficult to reverse.

Method used

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  • A front buffer device of a semi-trailer transport vehicle
  • A front buffer device of a semi-trailer transport vehicle

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, and the present invention includes but not limited to the following embodiments.

[0021] The present invention designs a buffer device at the front of a semi-trailer transport vehicle, which includes an inflation valve, an inner cylinder, a floating piston, a piston head part, a piston rod, an outer cylinder, upper and lower guide sleeves, an end cover, a saddle pin, Seat plates and associated seals. The inner cylinder is an oil cylinder with internal threads at both ends, a slightly smaller middle part of the inner hole, and a smooth transition at both ends with a 20° chamfer; the floating piston is a gray ring for processing holes, AQ seals and guide belts, etc. A rodless aluminum piston that seals the groove and can reciprocate axially along the inner cylinder is installed in the inner cylinder; the piston head part is equipped with two spring valve p...

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Abstract

The invention provides a front part buffer device for a semi-trailer transport vehicle. An inner cylinder barrel is divided into a gas cavity and a liquid cavity through a floating piston; one end of the liquid cavity is fixedly connected with a piston rod of an outer cylinder barrel through a piston head part; the liquid cavity is communicated with an oil liquid cavity of the outer cylinder barrel; the outer wall of the outer cylinder barrel is fixedly connected with a frame; the piston rod is connected with a saddle through a saddle pin shaft; two damping leakage holes running through the upper end lower ends are formed in the piston head part; and the opening directions of the two damping leakage holes are opposite. The front part buffer device for the semi-trailer transport vehicle not only meets the requirement for transportation smoothness of the semi-trailer transport vehicle, but also can be used for the traction of a semitrailer tractor, has a good buffering and damping effect and can meet the requirement for a lifting function of the transport vehicle.

Description

technical field [0001] The invention belongs to the technical field of precision instrument road transportation, and mainly relates to a front buffer device of a semi-trailer that can not only meet the ride comfort requirements of a transport vehicle, but also can conveniently realize the adjustment of vehicle body attitude (lifting and lowering of the whole vehicle). Background technique [0002] The traditional satellite / spaceship road transport vehicle is usually a full-mounted composite special-purpose car train, which is mainly composed of a full-mounted ingot-shaped frame, oil-pneumatic suspension, and a corresponding hydraulic system. This type of transport vehicle is widely used in the ground transportation of spacecraft because of its low center of mass, good transport stability and good variable stiffness vibration damping performance. However, the use in recent years has shown that in the actual transportation process, the full-trailer transport vehicle has poor d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D53/08
Inventor 王跃进李鲜红王斌屈武斌孙大伟王东荣王晓勇莫新民冯保忠杨卫超郭子鹏岳娟娟王举
Owner 中国兵器工业集团第二〇二研究所
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