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小型混凝土搅拌车液压油的更换方法?

所属分类：行业资讯发布时间：2021-02-24 来源：http://www.sqjituan.cn/ 浏览量：0

在使用一段时间的小型混凝土搅拌车后，由于出现油泵损坏、液压油进水、受污染时就需要对液压油进行更换工作，下面小编就来介绍更换液压油方法的介绍。

After using a small concrete mixer for a period of time, it is necessary to replace the hydraulic oil when the oil pump is damaged, the hydraulic oil gets into the water and is polluted. The following section introduces the method of replacing the hydraulic oil.

1、排油前的准备工作

1. Preparation before oil discharge

小型混凝土搅拌车全部展开各支腿油缸，包括摆动、伸缩（伸出和缩进比喻在一定限度内的变通）、垂直油缸等；臂架因场地、时效等因素局限，仅展开（全展）大臂油缸，其余臂架油缸收缩到位；活塞杆巡查：检查泵送油缸活塞杆是否有拉伤迹象，如有则更换；检查油箱各油口连接处，是否有漏油、开裂等现象。

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

将小型混凝土搅拌车的车泵送油缸液压油排除，拆除砼活塞和泵送油缸无杆或链接阀块；关闭球阀（应用领域：食品、化工、石油、电力等），进行闭式系统排油和开式系统排油，排除油缸油杆腔油液和油箱液压油。

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、进行小型泵车油箱清洗，拆掉油箱底部防水隔板，用柴油或煤油清洗液压油箱，用海绵吸出多余的油，然后用面团把油箱内的参与杂质粘干净。小型混凝土泵由泵体和输送管组成。是一种利用压力，将混凝土沿管道连续输送的机械，主要应用于房建、桥梁及隧道施工。主要分为闸板阀混凝土输送泵和S阀混凝土输送泵。再一种就是将泵体装在汽车底盘上，再装备可伸缩或屈折的布料杆，而组成的泵车。

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、对元件进行清洗，液压阀，阀块，油箱防水隔板，过滤器壳体，多路阀清洗。二次构造泵采用螺旋式输送浆，振动网过滤双缸往复作业完全能够输送建筑应用中各种砂浆、细石混凝土等，二次构造柱浇筑机具有排量大，压力高、省工省料，移动灵活等特点。耐磨合金材料，寿命更长，出口压力高，能满足高层浇筑和远距离施工的输送要求，液压系统采用双回路开式系统，换向速度快效率高

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
自动混凝土搅拌车

5、加注液压油

5. Filling hydraulic oil

6、泵送、搅拌液压系统排油

6. Oil discharge of pumping and mixing hydraulic system

7、分配系统排油

7. Distribution system drain

8、泄油管路排油。为保证油箱油液顺利冲洗泄油管路，所拆除泄油管路接头处低于油箱液面。

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、小型混凝土搅拌车的车泵泵车臂架液压系统排油。因在排油前大臂油缸伸展到位，其余油缸收缩到位，故所有臂架油缸只有一腔充满油液；另一腔因油缸伸展、收缩到位，所容纳油液体积很小，可以忽略。例：排油前大臂油缸伸展到位，故排油时只需考虑排除大臂油缸无杆腔所容纳油液。

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、支腿系统排油。从油箱处断开支腿多路阀T口油箱管路，并将油箱接头用堵头堵住，T口管路接油桶，注：支腿系统排油时，不要两边同时排，例：排完左边再排右边。

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.

以上就是对小型混凝土搅拌车更换液压油的步骤方法，用户可以参考以上方法来进行换油工作来保证液压油的利用率，提高搅拌车的工作效率。

The above is the steps and methods of replacing hydraulic oil for small concrete mixer. Users can refer to the above methods to change the oil to ensure the utilization rate of hydraulic oil and improve the work efficiency of mixer.

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