PROBLEM TO BE SOLVED: To provide a simple and strong mud scraping device for a steering wheel, in a work vehicle.SOLUTION: Left and right steering wheels (3, 3) are provided in a lower part of both left and right sides of an axle case (32), and left and right knuckle arms (40, 40) for steering the left and right steering wheels (3, 3) are provided in both the left and right sides of the axle case (32). Left and right wheel steering posts (44, 44) and left and right scrapers (46, 46) which extend downwards along left and right inner side surfaces of the left and right steering wheels (3, 3) are attached to the left and right knuckle arms (40, 40). The left and right scrapers (46, 46) are each constituted by a pair of a front side scraper (46F) and a rear side scraper (46R). The front side scraper (46F) and the rear side scraper (46R) are arranged in a V shape in a side view in such a manner that upper sides of the front side scraper (46F) and the rear side scraper (46R) are separated in a front and rear direction, and lower sides of the front side scraper (46F) and the rear side scraper (46R) come close in the front and rear direction.COPYRIGHT: (C)2015,JPO&INPIT【課題】作業車両において、簡単で強固な操向車輪の泥落し装置を提供する。【解決手段】アクスルケース(32)の左右両側部下方には左右操向用車輪(3,3)を備え、該アクスルケース(32)の左右両側部には左右操向用車輪(3,3)操向用の左右ナックルアーム(40,40)を備え、該左右ナックルアーム(40,40)には前記左右操向用車輪(3,3)の左右内側面に沿うように下方に延出している左右車輪操向柱(44,44)及び左右スクレーパ(46,46)を取り付ける。左右スクレーパ(46,46)をそれぞれ前後一対の前側スクレーパ(46F)と後側スクレーパ(46R)とで構成し、前側スクレーパ(46F),後側スクレーパ(46R)の上側が前後方向に遠ざかり、下側が前後方向に近づくようにして側面視でV字状に配設する。【選択図】図10
