干地推土機履帶保持適當的張緊度

Maintain proper tension on the track of the dry land bulldozer

保養干地推土機方法，如果張緊過度，引導輪彈簧張力作用于履帶銷及銷套，銷子外圓和銷套內圓一直受到高擠壓應力，運轉時銷和銷套產生過早的磨損，同時引導輪張緊彈簧的彈力還作用于引導輪軸和軸套，產生很大的表面接觸應力，這使引導輪軸套容易磨成半圓，履帶節節距容易拉長，并且會降低機械傳動效率，浪費發動機傳給驅動輪和履帶的功率。

Maintenance method for dry land bulldozer: if the tension is excessive, the guide wheel spring tension acts on the track pin and pin sleeve. The outer circle of the pin and the inner circle of the pin sleeve are always subject to high extrusion stress. During operation, the pin and pin sleeve are prematurely worn. At the same time, the elasticity of the guide wheel tension spring also acts on the guide wheel shaft and shaft sleeve, resulting in great surface contact stress, which makes the guide wheel shaft sleeve easy to be ground into a semicircle and the track pitch easy to be lengthened, And it will reduce the mechanical transmission efficiency and waste the power transmitted by the engine to the driving wheels and tracks.

維護干地推土機方法，如果履帶張緊過松，履帶容易脫離引導輪和支重輪，而且履帶失去正確的對中，使運行的履帶波動、拍打、沖擊，造成引導輪和托輪的異常磨損。

Maintenance method of dry land bulldozer: if the crawler is too loose, the crawler is easy to separate from the idler and roller, and the crawler loses the correct alignment, causing the running crawler to fluctuate, beat and impact, resulting in abnormal wear of the idler and supporting roller.

履帶張緊度的調整，是通過給張緊缸注油嘴加注黃油或從放油嘴放出黃油，參照各機型的標準間隙作調整。當履帶節節距拉長到需要拆下一組履帶節時，驅動輪齒面與銷套的嚙合面也會受到異常磨損，此時維護干地推土機方法應在嚙合狀況惡化前進行適當處理，保養干地推土機方法比如將銷與銷套翻面，更換磨損過度的銷與銷套，更換履帶節總成等。

The track tension is adjusted by adding grease to the oil nozzle of the tensioning cylinder or discharging grease from the oil drain nozzle, and by referring to the standard clearance of each model. When the track pitch is lengthened to the point where a group of track joints need to be removed, the meshing surface of the driving gear teeth and the pin sleeve will also be abnormally worn. At this time, the maintenance method of the dry land bulldozer should be properly handled before the meshing condition deteriorates. The maintenance method of the dry land bulldozer includes turning over the pin and the pin sleeve, replacing the excessively worn pin and pin sleeve, and replacing the track joint assembly.

保持干地推土機引導輪位置對中

Keep the idler position of the dry bulldozer centered

引導輪不對中對行走機構其他零件有嚴重影響，因此調整引導輪導板與履帶架之間的間隙是延長行走機構壽命的要點。調整時用導板與軸承之間的墊片來修正，如果間隙大，拆去墊片；間隙小，增加墊片。保養干地推土機方法標準間隙為0.5～1.0mm，很大許可間隙為3.0mm。在適當時刻將履帶銷與銷套翻面。

The misalignment of the idler has a serious impact on other parts of the traveling mechanism. Therefore, adjusting the clearance between the idler guide and the crawler frame is the key to prolong the service life of the traveling mechanism. During adjustment, use the gasket between the guide plate and the bearing to correct. If the clearance is large, remove the gasket; Small clearance, add shims. The standard clearance for maintenance of dry land bulldozer is 0.5 ~ 1.0mm, and the large allowable clearance is 3.0mm. Turn over the track pin and the pin sleeve at an appropriate time.

冷再生機出租人員認為在履帶銷與銷套的磨損過程中，履帶節節距被逐漸拉長，造成驅動輪與銷套的嚙合不良，導致銷套破損和驅動輪齒面異常磨損，會引起蛇行、拍打、沖擊，大大縮短行走機構的壽命。當通過調整張緊度仍不能恢復節距時，就需要將履帶銷和銷套翻面，以得到正確的履帶節節距。

The lessor of the cold regeneration machine believes that during the wear process of the track pin and the pin sleeve, the track pitch is gradually lengthened, resulting in poor engagement between the drive wheel and the pin sleeve, resulting in damage to the pin sleeve and abnormal wear of the drive gear tooth surface, which will cause hunting, slapping and impact, and greatly shorten the service life of the walking mechanism. When the pitch cannot be recovered by adjusting the tension, it is necessary to turn over the track pin and pin sleeve to obtain the correct track pitch.

在現場有兩種決定履帶銷與銷套翻面的時刻；一種維護干地推土機方法是查定履帶節節距拉長3mm的時刻；保養干地推土機方法另一種方法是查定銷套外圓直徑磨損3mm的時刻。

There are two times on site to determine the turning over of the track pin and the pin sleeve; A method for maintaining a dry land bulldozer is to check the time when the track pitch is lengthened by 3mm; The other way to maintain the dry land bulldozer is to check the time when the outer diameter of the pin sleeve is worn by 3mm.

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