work vehicle

A technology for working vehicles and wheels, which is applied to vehicle parts, agriculture, wheels, etc., can solve the problems of lugs entraining soil, wet field passability decline, etc., and achieve the effect of improving strength

Active Publication Date: 2022-08-02
YANMAR POWER TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to the shape of the lugs of the auxiliary wheels, there is a problem that the lugs protrude into the cultivated layer of the farmland, and soil is entrained in the lugs, thereby reducing the wet field passing ability of the driving body.

Method used

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Embodiment Construction

[0025] Hereinafter, specific embodiment of this invention is demonstrated based on the drawings at the time of applying to the riding type rice transplanter 1 (henceforth abbreviated as the rice transplanter 1) of an eight-row planting type. In addition, in the following description, the left side when facing the advancing direction of the traveling body 2 is abbreviated as the left side, and the right side when similarly facing the advancing direction is abbreviated as the right side.

[0026] First, refer to Figure 1 to Figure 4 The outline of the rice transplanter 1 is demonstrated. The rice transplanter 1 which concerns on embodiment is equipped with the traveling body 2, and the traveling body 2 is supported by the front wheel 3 of a pair of right and left as a traveling wheel, and the rear wheel 4 of the same pair of left and right. An engine 5 is mounted on the front part of the traveling body 2 . It is comprised so that the front wheel 3 and the rear wheel 4 are dri...

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PUM

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Abstract

The present invention provides a work vehicle. The work vehicle includes a traveling wheel (4) for supporting the traveling body, and a sag prevention wheel (100) detachably attached to the traveling wheel (4). A sag-preventing wheel (100) includes an annular rim portion (102) and a plurality of sag-preventing wheel lugs (105) provided on the rim portion (102) at appropriate intervals along the circumferential direction of the rim portion (102). When viewed from the side, the sag prevention wheel lug (105) is inclined so that its outer peripheral end (105a) side is positioned upstream in the rotational direction when the traveling body moves forward rather than its inner peripheral end (105c). The outer peripheral side end part (105a) of the sag prevention wheel lug (105) is bent toward the rotation center side of the rim part (102).

Description

technical field [0001] The present invention relates to a work vehicle mainly used for agricultural work, such as a ride-on rice transplanter for agricultural work. Background technique [0002] In some recent ride-on rice transplanters, wheels are additionally arranged in order to improve the running performance in farmland. For example, in the riding-type rice transplanter described in Patent Document 1, improvement of the passability of the traveling body in the wet field is achieved by providing auxiliary wheels that rotate integrally with the rear wheels on the left and right inner sides or the left and right sides of the rear wheels. [0003] Patent Literature [0004] Patent Document 1: Japanese Patent Application Laid-Open No. 7-329503 SUMMARY OF THE INVENTION [0005] However, due to the shape of the lugs of the auxiliary wheels, there is a problem that the lugs protrude into the ploughing layer of the farmland, and the lugs entrain the soil, thereby reducing th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C11/02B60B15/00
CPCA01C11/02B60B15/00
Inventor 竹山智洋土井邦夫
Owner YANMAR POWER TECHNOLOGY CO LTD
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