小型混凝土攪拌車液壓系統(tǒng)的發(fā)熱，直接影響攪拌車的正常工作，發(fā)熱現(xiàn)象所造成的危害，主要有以下幾點(diǎn)：

The heating of the hydraulic system of the small concrete mixer directly affects the normal operation of the mixer. The main hazards caused by the heating phenomenon are as follows:

(1)工作液體的溫度升高后，使工作液體的黏度下降，泵的泄漏增加，泵的實(shí)際流量有所下降;

(1) When the temperature of the working liquid increases, the viscosity of the working liquid decreases, the leakage of the pump increases, and the actual flow of the pump decreases;

(2)液壓系統(tǒng)及元件的密封件在高溫下變質(zhì)，彈性變性能力降低，使密封性能降低，甚至密封失效，使泄漏增加;

(2) The seals of the hydraulic system and components deteriorate under high temperature, and the elastic denaturation ability is reduced, which reduces the sealing performance, even the sealing failure, and increases the leakage;

(3)當(dāng)液壓閥件的閥芯、閥體材料不同、熱膨脹系數(shù)不同時(shí)，閥芯、閥體之間因熱膨脹而出現(xiàn)閥芯卡死現(xiàn)象，致使小型混凝土攪拌車不能工作;

(3) When the material of valve core and valve body of hydraulic valve is different, and the coefficient of thermal expansion is different, the valve core and valve body are stuck due to thermal expansion, resulting in the small concrete mixer can not work;

(4)工作液體的黏度下降時(shí)，使工作液體的潤(rùn)滑性能降低，液壓元件的磨損加快，加速了元件的磨損失效，縮短了元件的使用壽命。

(4) When the viscosity of the working fluid decreases, the lubricating performance of the working fluid decreases, the wear of the hydraulic components accelerates, the wear failure of the components is accelerated, and the service life of the components is shortened.

為了盡量避免上述現(xiàn)象的發(fā)生，有些小型混凝土攪拌車在使用一定時(shí)間后，不得不停下來(lái)，使系統(tǒng)降溫，從而降低了小型混凝土攪拌車的開機(jī)率，影響了施工進(jìn)度。因此，應(yīng)針對(duì)系統(tǒng)發(fā)熱原因，采取相應(yīng)措施，控制液壓系統(tǒng)的溫度，保證混凝土攪拌車的正常使用。更多相關(guān)內(nèi)容就來(lái)我們網(wǎng)站http://www.mothernature2u.com咨詢吧！

In order to avoid the above phenomena as much as possible, some small concrete mixers have to stop after a certain period of use to cool the system, thus reducing the start-up rate of small concrete mixers and affecting the construction progress. Therefore, corresponding measures should be taken to control the temperature of the hydraulic system and ensure the normal use of the concrete mixer truck according to the heating causes of the system. Come to our website for more relevant content http://www.mothernature2u.com Ask!