混凝土攪拌車在整個(gè)施工項(xiàng)目中，需要做防范的工作不止有結(jié)構(gòu)配件的損傷問題，對(duì)液壓油路的狀態(tài)也要多加注意，針對(duì)在施工項(xiàng)目中所出現(xiàn)的黑油現(xiàn)象，我們總結(jié)根據(jù)實(shí)際操作經(jīng)驗(yàn)，總結(jié)出以下措施。

In the whole construction project, the concrete mixer needs to be prevented not only from the damage of structural accessories, but also pay more attention to the state of the hydraulic oil circuit. In view of the black oil phenomenon in the construction project, we summarize the following measures according to the actual operation experience.

及時(shí)更換防塵封，禁止經(jīng)常出現(xiàn)攪拌車偏打情況。致使攪拌車液壓系統(tǒng)發(fā)生黑油情況，不僅由粉塵引起，或許因加注黃油不規(guī)范所導(dǎo)致。在加注黃油時(shí)，應(yīng)將攪拌車提起，鋼釬壓到活塞中，每次加注時(shí)只需加注至標(biāo)準(zhǔn)黃油槍的半槍范圍內(nèi)即可。

Replace the dust seal in time, and it is forbidden to frequently hit the mixer. Black oil in the hydraulic system of the mixer truck may be caused not only by dust, but also by irregular filling of butter. When filling grease, lift the mixer truck and press the steel drill into the piston. Each time, it is only necessary to fill it within half the range of the standard grease gun.

若在加注黃油時(shí)，未壓緊鋼釬，所加注的黃油會(huì)在鋼釬槽上限位，在鋼釬工作時(shí)，黃油會(huì)直接躥到主油封位置，隨著活塞往復(fù)運(yùn)動(dòng)將黃油帶到中缸體內(nèi)，再隨著中缸內(nèi)的液壓油混入攪拌車液壓系統(tǒng)內(nèi)，從而致使液壓油發(fā)生變質(zhì)、發(fā)黑等異常情況。

If the steel drill rod is not pressed during the grease filling, the grease will be at the upper limit of the steel drill groove. When the steel drill rod is working, the grease will directly jump to the main oil seal position. With the reciprocating motion of the piston, the grease will be brought into the middle cylinder, and then with the hydraulic oil in the middle cylinder mixed into the hydraulic system of the mixer truck, resulting in abnormal conditions such as deterioration and blackening of the hydraulic oil.

加裝回油過濾器裝置，將外界灰塵。在更換油管、鋼管、回油濾芯等液壓附件時(shí)，需將接口位置的粉塵，或雜物清理干凈后才能松開更換。

Install oil return filter device to remove external dust. When replacing oil pipes, steel pipes, oil return filter elements and other hydraulic accessories, it is necessary to clean the dust or sundries at the interface before loosening and replacing.

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