Vehicle mounted hydraulic lifting platforms are a relatively important mechanical use on many construction sites. Therefore, there will be more trading phenomena in the Chinese market, but when purchasing such machinery, due to the presence of more types of vehicle mounted hydraulic lifting platforms, different types of platforms have different functions. Therefore, when purchasing, we should pay attention to the following points:

當(dāng)我們購買車載式液壓升降平臺時(shí)，我們必須確定我們自己的購買目標(biāo)。升降機(jī)原理：液壓油由葉片泵形成一定的壓力，經(jīng)濾油器、隔爆型電磁換向閥、節(jié)流閥、液控單向閥、平衡閥進(jìn)入液缸下端，使液缸的活塞向上運(yùn)動(dòng)，提升重物，液缸上端回油經(jīng)隔爆型電磁換向閥回到油箱，其額定壓力通過溢流閥進(jìn)行調(diào)整，通過壓力表觀察壓力表讀數(shù)值。

When we purchase a car mounted hydraulic lifting platform, we must determine our own purchasing goals. Elevator principle: Hydraulic oil is formed by a vane pump to a certain pressure, and enters the lower end of the hydraulic cylinder through an oil filter, explosion-proof electromagnetic directional valve, throttle valve, hydraulic control one-way valve, and balance valve, causing the piston of the hydraulic cylinder to move upwards and lift the heavy object. The return oil from the upper end of the hydraulic cylinder returns to the oil tank through the explosion-proof electromagnetic directional valve, and its rated pressure is adjusted through the overflow valve. The reading value of the pressure gauge is observed through the pressure gauge.

對于銷售車載式液壓升降平臺的部門來說，這也是我們選擇和購買車載式液壓升降平臺的一個(gè)重要部分。升降機(jī)廠家液缸的活塞向下運(yùn)動(dòng)（既重物下降）。液壓油經(jīng)防爆型電磁換向閥進(jìn)入液缸上端，液缸下端回油經(jīng)平衡閥、液控單向閥、節(jié)流閥、隔爆型電磁換向閥回到油箱。

For departments that sell car mounted hydraulic lifting platforms, this is also an important part of our selection and purchase of car mounted hydraulic lifting platforms. The piston of the elevator manufacturer's hydraulic cylinder moves downwards (i.e. the weight drops). The hydraulic oil enters the upper end of the hydraulic cylinder through the explosion-proof electromagnetic directional valve, and the return oil from the lower end of the hydraulic cylinder returns to the oil tank through the balance valve, hydraulic control one-way valve, throttle valve, and explosion-proof electromagnetic directional valve.

為使重物下降平穩(wěn)，制動(dòng)可靠，在回油路上設(shè)置平衡閥，平衡回路、保持壓力，使下降速度不受重物而變化，由節(jié)流閥調(diào)節(jié)流量，控制升降速度。而主要的關(guān)注點(diǎn)是銷售單位的信譽(yù)。對于信譽(yù)較低的機(jī)組，如果配合使用，在使用車載式液壓升降平臺的過程中，會出現(xiàn)更多的質(zhì)量問題，甚更大的事故。

To ensure a smooth descent of heavy objects and safe and reliable braking, a balance valve is installed on the return oil circuit to balance the circuit and maintain pressure, so that the descent speed does not change due to heavy objects. The throttle valve regulates the flow and controls the descent speed. The main focus is on the credibility of the sales unit. For units with lower reputation, if used in conjunction, more quality issues and even greater safety accidents may occur during the use of vehicle mounted hydraulic lifting platforms.

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