攪拌機(jī)在工程建筑中起著關(guān)鍵性的作用，它所運(yùn)輸?shù)幕炷僚浔雀涌茖W(xué)，攪拌更加均勻，工作效率也很高，這也是攪拌機(jī)在市場(chǎng)受歡迎的原因。攪拌機(jī)上有很多的部件，這些部件各司其職，共同完成攪拌機(jī)作業(yè)，每個(gè)部件都有它獨(dú)特的作用，比如液壓閥，攪拌機(jī)上的液壓閥有很多，不同的液壓閥作用不同。

The mixer plays a key role in engineering construction. The concrete it transports has more scientific proportioning, more uniform mixing and high working efficiency, which is also the reason why the mixer is popular in the market. There are many parts on the mixer. These parts perform their respective duties and jointly complete the mixer operation. Each part has its unique role, such as hydraulic valve. There are many hydraulic valves on the mixer, and different hydraulic valves have different functions.

攪拌機(jī)的液壓閥是用來(lái)控制液壓油的流動(dòng)方向、流量和壓力的，依次可以實(shí)現(xiàn)液壓機(jī)械在不同作業(yè)情況下的動(dòng)作要求。大致可以分為三類：

The hydraulic valve of the mixer is used to control the flow direction, flow and pressure of the hydraulic oil, which can successively realize the action requirements of the hydraulic machinery under different operation conditions. It can be roughly divided into three categories:

1.壓力控制閥：小型攪拌機(jī)的壓力控制閥是用來(lái)控制或調(diào)節(jié)液壓系統(tǒng)中的液壓油壓力的閥類，如閥、溢流閥、背壓閥等。

1. pressure control valve: the pressure control valve of small mixer is used to control or adjust the hydraulic oil pressure in the hydraulic system, such as safety valve, overflow valve, back pressure valve, etc.

2.流量控制閥：攪拌機(jī)的流量控制閥可以使液壓油的流量維持在一定的數(shù)值，用以調(diào)節(jié)工作機(jī)構(gòu)的運(yùn)動(dòng)速度，比如節(jié)流閥、行程控制閥等。

2. flow control valve: the flow control valve of the mixer can maintain the flow of hydraulic oil at a certain value to adjust the movement speed of the working mechanism, such as throttle valve, travel control valve, etc.

3.方向控制閥：攪拌機(jī)的方向控制閥可用于控制液壓油流動(dòng)的方向，有換向閥和單向閥兩種，換向閥又分為滑閥和轉(zhuǎn)閥兩種，在液壓操縱機(jī)械中，用得多的是換向閥，為了減少換向閥的安裝體積，便于油路連接，往往將幾個(gè)換向閥和閥安裝在一起，或?qū)㈤y體做成一個(gè)整體，稱為多路換向閥。

3. directional control valve: the directional control valve of the mixer can be used to control the flow direction of hydraulic oil. There are two types of directional control valve and one-way valve. The directional control valve is divided into slide valve and rotary valve. In hydraulic operated machinery, the directional control valve is often used. In order to reduce the installation volume of the directional valve and facilitate oil circuit connection, several directional valves and safety valves are often installed together, or the valve body is made into a whole, which is called multi-channel directional valve.

小型攪拌機(jī)的液壓閥的保養(yǎng)有一定的原則：平時(shí)要做好混凝土攪拌機(jī)的日常保養(yǎng)，比如對(duì)元件進(jìn)行“點(diǎn)檢”、“專檢”，發(fā)現(xiàn)問(wèn)題，一定要采取相應(yīng)的措施進(jìn)行排除，以保證各液壓閥和液壓系統(tǒng)的正常工作，如果是液壓閥出現(xiàn)故障，一定要先找出故障原因，如果自己不了問(wèn)題，那就找近的維修站去進(jìn)行修理，且不可盲目的拆卸維修，否則很可能會(huì)造成更加嚴(yán)重的后果。

There are certain principles for the maintenance of hydraulic valves of small mixers: daily maintenance of concrete mixers should be done well at ordinary times, such as "spot inspection" and "special inspection" of components. If problems are found, corresponding measures must be taken to eliminate them, so as to ensure the normal operation of each hydraulic valve and hydraulic system. If the hydraulic valve fails, the cause of the failure must be found out first. If the problem cannot be solved by yourself, Then go to the nearest maintenance station for repair, and do not disassemble and repair blindly, otherwise it may cause more serious consequences.

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