PROBLEM TO BE SOLVED: To enhance strength in a reinforcement rib constructing truck links.SOLUTION: A right padding part 36 is arranged on a corner part at which a part opposing to a front fight side boss 28 in a right side room 26 of a link base 15 and a first reinforcement rib 23. A left padding part 37 is arranged on a corner part at which a part opposing to rear left side boss 31 in a left side room 27 of the link base 15 and a second reinforcement rib 24. Thereby, a connecting part of the front right side boss 28 and the first reinforcement rib 23 is reinforced with the right padding part 36, and a connecting part of the rear left side boss 31 and the second reinforcement rib 24 is reinforced with the left padding part 37. As a result, load due to rotation of a caterpillar band 13 onto a middle section of the front right side boss 28 and a rear middle boss 32 and a middle section of a front middle boss 29 and the rear left side boss 31 in each of the truck links 14 can be received by the first and second reinforcement ribs 23, 24, thus strength in the truck links 14 can be enhanced.

    【課題】トラックリンクを構成する補強リブの強度を高める。【解決手段】リンクベース15の右側室26のうち前右側ボス28と対向する部位と、第1の補強リブ23とが交わる角隅部に右肉盛り部36を設け、リンクベース15の左側室27のうち後左側ボス31と対向する部位と、第2の補強リブ24とが交わる角隅部に左肉盛り部37を設ける。これにより、前右側ボス28と第1の補強リブ23との接続部位を右肉盛り部36によって補強し、後左側ボス31と第2の補強リブ24との接続部位を左肉盛り部37によって補強する。この結果、履帯13の周回動作によって各トラックリンク14の前右側ボス28と後中間ボス32との間、前中間ボス29と後左側ボス31との間に作用する荷重を、第1,第2の補強リブ23,24によって受けることができ、トラックリンク14の強度を高めることができる。【選択図】図11


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    Title :

    CATERPILLAR BAND


    Additional title:

    履帯


    Contributors:

    Publication date :

    2015-08-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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