1. Preparation before oil discharge
小型混凝土攪拌車(chē)全部展開(kāi)各支腿油缸，包括擺動(dòng)、伸縮（伸出和縮進(jìn) 比喻在一定限度內的變通）、垂直油缸等；臂架因場(chǎng)地、時(shí)效等因素局限，僅展開(kāi)（全展）大臂油缸，其余臂架油缸收縮到位；活塞桿巡查：檢查泵送油缸活塞桿是否有拉傷跡象，如有則更換；檢查油箱各油口連接處，是否有漏油、開(kāi)裂等現象。
The small concrete mixer truck fully unfolds each outrigger oil cylinder, including swing, expansion (extension and retraction) It refers to the flexible and vertical oil cylinder within a certain limit; due to the limitation of site, time and other factors, the boom only unfolds (fully unfolds) the boom oil cylinder, and the rest of the boom oil cylinder shrinks in place; piston rod inspection: check whether the piston rod of the pumping oil cylinder has any signs of strain, if any, replace it; check whether there is oil leakage and cracking at the connection of each oil port of the oil tank.
2、排油工作
2. Oil drainage
將小型混凝土攪拌車(chē)的車(chē)泵送油缸液壓油排除，拆除砼活塞和泵送油缸無(wú)桿或鏈接閥塊；關(guān)閉球閥（應用領(lǐng)域：食品、化工、石油、電力等），進(jìn)行閉式系統排油和開(kāi)式系統排油，排除油缸油桿腔油液和油箱液壓油。
Remove the hydraulic oil from the pumping oil cylinder of the small concrete mixer truck, remove the concrete piston and the pumping oil cylinder without rod or link valve block, close the ball valve (application field: food, chemical industry, petroleum, electric power, etc.), drain the oil from the closed system and open system, and drain the oil from the rod cavity of the oil cylinder and the hydraulic oil from the oil tank.
3、進(jìn)行小型泵車(chē)油箱清洗，拆掉油箱底部防水隔板，用柴油或煤油清洗液壓油箱，用海綿吸出多余的油，然后用面團把油箱內的參與雜質(zhì)粘干凈。小型混凝土泵由泵體和輸送管組成。是一種利用壓力，將混凝土沿管道連續輸送的機械，主要應用于房建、橋梁及隧 道施工。主要分為閘板閥混凝土輸送泵和S閥混凝土輸送泵。再一種就是將泵體裝在汽車(chē)底盤(pán)上，再裝備可伸縮或屈折的布料桿，而組成的泵車(chē)。
3. Clean the oil tank of small pump truck, remove the waterproof partition at the bottom of the oil tank, clean the hydraulic oil tank with diesel or kerosene, suck out the excess oil with sponge, and then use dough to clean the impurities in the oil tank. The small concrete pump is composed of pump body and delivery pipe. It is a kind of machine that uses pressure to transport concrete continuously along the pipeline, which is mainly used in housing construction, bridge and tunnel construction. It is mainly divided into gate valve concrete pump and S valve concrete pump. Another is the pump body mounted on the chassis of the car, and then equipped with retractable or folding boom, and composed of pump truck.
4、對元件進(jìn)行清洗，液壓閥，閥塊，油箱防水隔板，過(guò)濾器殼體，多路閥清洗。二次構造泵采用螺旋式輸送漿，振動(dòng)網(wǎng)過(guò)濾雙缸往復作業(yè)完全能夠輸送建筑應用中各種砂漿、細石混凝土等，二次構造柱澆筑機具有排量大，壓力高、省工省料，移動(dòng)靈活等特點(diǎn)。耐磨合金材料，壽命更長(cháng)，出口壓力高，能滿(mǎn)足高層澆筑和遠距離施工的輸送要求，液壓系統采用雙回路開(kāi)式系統，換向速度快效率高
4. Clean the components, hydraulic valve, valve block, oil tank waterproof partition, filter shell and multi way valve. The secondary structure pump adopts screw type slurry conveying and vibrating screen filtering double cylinder reciprocating operation, which can fully transport all kinds of mortar and fine aggregate concrete in construction application. The secondary structure column pouring machine has the characteristics of large displacement, high pressure, labor and material saving, flexible movement and so on. Wear resistant alloy material, longer service life, high outlet pressure, can meet the requirements of high-rise pouring and long-distance construction. The hydraulic system adopts double loop open system, with fast reversing speed and high efficiency
5、加注液壓油
5. Filling hydraulic oil
6、泵送、攪拌液壓系統排油
6. Oil discharge of pumping and mixing hydraulic system
7、分配系統排油
7. Distribution system drain
8、泄油管路排油。為保證油箱油液順利沖洗泄油管路，所拆除泄油管路接頭處低于油箱液面。
8. Drain the oil from the drain line. In order to ensure that the oil in the oil tank can flush the oil drain pipe smoothly, the joint of the removed oil drain pipe is lower than the liquid level of the oil tank.
9、小型混凝土攪拌車(chē)的車(chē)泵泵車(chē)臂架液壓系統排油。因在排油前大臂油缸伸展到位，其余油缸收縮到位，故所有臂架油缸只有一腔充滿(mǎn)油液；另一腔因油缸伸展、收縮到位，所容納油液體積很小，可以忽略。例：排油前大臂油缸伸展到位，故排油時(shí)只需考慮排除大臂油缸無(wú)桿腔所容納油液。
9. Small concrete mixer truck pump truck boom hydraulic system oil drainage. Because the boom cylinder extends in place and the rest of the cylinders contract in place before oil discharge, only one chamber of all boom cylinders is filled with oil; the other chamber is small and can be ignored because the cylinder extends and contracts in place. For example: before oil discharge, the boom cylinder is extended in place, so only the oil contained in the non rod cavity of the boom cylinder needs to be removed.
10、支腿系統排油。從油箱處斷開(kāi)支腿多路閥T口油箱管路，并將油箱接頭用堵頭堵住，T口管路接油桶，注：支腿系統排油時(shí)，不要兩邊同時(shí)排，例：排完左邊再排右邊。
10. The outrigger system drains oil. Disconnect t port of leg multi way valve from the oil tank to the pipeline of the oil tank, plug the oil tank joint with a plug, and connect the T port pipeline to the oil tank. Note: when the leg system discharges oil, do not drain both sides at the same time, for example, drain the left side and then the right side.
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