Bridge inspection vehicle door frame system applicable to variable gradient running

Abstract

The invention discloses a bridge inspection vehicle door frame system applicable to variable gradient running. The bridge inspection vehicle door frame system applicable to the variable gradient running comprises a vehicle frame, and further comprises inner door frames, middle door frames, arc outer door frames and running parts, which are respectively arranged at two ends of the vehicle frame, wherein the arc outer door frames are installed on arc rails on the running parts in a sliding mode, the middle door frames are installed on the arc outer door frames through slewing bearings, an end head of the vehicle frame is inserted into the inner door frames, the inner door frame at one end of the vehicle frame is provided with a slide chute distributed in the lengthways direction and rotatably installed in the corresponding middle door frame through a connection piece formed by a sliding block segment and a rotation shaft segment, the inner door frame at the other end of the vehicle frameis provided with a round axial hole 2 axially perpendicular to the lengthways direction of the vehicle frame, and the vehicle frame and the inner door frame with the round axial hole 2 are installedin the corresponding middle door frame in a rotatable mode. When the bridge inspection vehicle door frame system applicable to the variable gradient running runs on variable gradient bridge floors ofarch bridges and the like, the bridge inspection vehicle door frame system applicable to the variable gradient running not only can adjust the horizontal angle of the vehicle frame, but also can adaptto the problems of included angle changes between the vehicle frame and each rail, extension and contraction of the vehicle frame and left-right height difference of a hanging point of the vehicle frame, which are caused by desynchrony of a left running mechanism and a right running mechanism.

Description

technical field [0001] The invention relates to a bridge inspection vehicle mast system suitable for walking with variable slopes, and belongs to the technical field of road and bridge inspection and maintenance tools. Background technique [0002] In recent years, more and more bridge inspection vehicles (hereinafter referred to as "bridge inspection vehicles") have been applied to new bridges or renovation of existing bridges. main structural components. The running part is used to connect with the bridge and walk on the preset bridge inspection track on the bridge, the vehicle frame is used to carry maintenance equipment and personnel, and the portal frame is used to connect the running part with the vehicle frame. Due to the different bridge structures, bridge inspection vehicles generally have two or more running parts, generally two running parts on the left and right. During the walking process of the running parts on both sides, the speed may be inconsistent, result...

AI Technical Summary

Problems solved by technology

The traditional bridge inspection gantry design method is to add a horizontal angle hinge or circular arc frame on the basis of the translation gantry, but the inclination angle and height of different positions of the arch bridge or arc bridge deck are different, when walking left and right When the two parts are synchronized, adding a hinge to release the swing degree of freedom can solve the problem, but when the left and right running parts are not synchronized, the height of the left and right masts will also be different, and the hinge centers on the left and right sides are not at the same height. , the hinge mechanism that may cause the frame to twist or level is stuck, so the door frame and the frame need to release more degrees of freedom

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