Box stake semitrailer convenient to use

Abstract

The invention relates to a box stake semitrailer convenient to use and belongs to the technical field of semitrailers. The box stake semitrailer comprises a vehicle underframe, a front protection plate, a rear protection plate and side guardrails, wherein the side guardrails comprise a plurality of support upright columns, and two halved guardrails which are arranged between two adjacent support upright columns; one ends of the guardrail are hinged with the support upright columns; fastening mechanisms are arranged between the other ends of the guardrails and the vehicle underframe; a plurality of connecting components are arranged between the two halved guardrails; the fastening mechanisms comprise vertical rods, fixing components and fastening components which are arranged between the vertical rods and the vehicle underframe; the fixing components comprise fixing plates and rubber protection sleeves; the fixing plates comprise propping parts; fixing parts are respectively fixedly arranged at both ends of the propping parts; the rubber protection sleeves comprise sleeve parts which are arranged on the outer circumferential directions of the vertical rods in a sleeving manner, andinsertion parts which are fixedly arranged on the outer circumferential surfaces of the sleeves; clamping through holes matched with the insertion parts are formed in the propping parts. By adopting the box stake semitrailer, the closure stability of the guardrail scan be improved, and the box stake semitrailer has the advantage of being convenient to use.

Description

technical field [0001] The invention relates to the technical field of semi-trailers, in particular to a grate type semi-trailer which is easy to use. Background technique [0002] A semi-trailer is a trailer whose axle is placed behind the vehicle's center of gravity and is equipped with hitches that transmit horizontal and vertical forces to the tractor. Semi-trailers are divided into self-unloading semi-trailers, low-bed semi-trailers, and barn-type semi-trailers. Among them, the cargo part of the barn-type semi-trailer adopts a fence structure, which is mainly used for the transportation of agricultural and sideline products and other light foam goods. [0003] At present, the patent document with the authorized announcement number CN202743340U discloses a new type of grating semi-trailer, including a semi-trailer body, a front baffle is provided at the front end of the semi-trailer body, and movable plug-in columns are evenly arranged on both sides of the semi-trailer b...

AI Technical Summary

Problems solved by technology

The fence-type semi-trailer realizes the movable clamping connection between the fence door leaf and the door handle on the adjacent column through the hook. Although this method is simple, the fence-type semi-trailer is vibrated during driving. , the handle and the hook are easily separated, which reduces the stability of the fence door leaf closing, thus posing a safety hazard

Images