小型攪拌車的運動過程主要包括發動機、液壓元件(油系、液壓馬達、減速機)以及攪拌筒等五部分裝置的運動。下面就來看看小型攪拌車的動力系統怎么樣。
The movement process of the small mixer mainly includes the movement of the engine, hydraulic components (oil system, hydraulic motor, reducer) and mixing drum. Now let's take a look at the power system of the small mixer.
首先由發動機提供動力源,動力再通過油菜傳遞給液壓馬達,再通過減速機減速增大扭矩終實現攬拌筒的轉動。因控制終端為攪拌筒的轉速,而攪拌筒的速度由前面四部分裝置的運動決定,因此在運動分析過程將主要包括發動機、液壓元件等部分。
First, the engine provides the power source, then the power is transmitted to the hydraulic motor through the rape, and then the reducer decelerates and increases the torque to finally realize the rotation of the cable mixing drum. Since the control terminal is the rotation speed of the mixing drum, and the speed of the mixing drum is determined by the motion of the four devices in front, the motion analysis process will mainly include the engine, hydraulic components and other parts.
發動機
engine
小型攪拌車一般使用柴油機作為發動機,因我過內燃機技術相對國外較為落后,因此在小型攪拌車上一般使用國外進口柴油機,目前公司使用的柴油機大多由日本生產,機型包括、、等?,F已系列柴油機進行介紹和分析。
Small mixers generally use diesel engines as engines. Since our internal combustion engine technology is relatively backward compared with that of foreign countries, we generally use imported diesel engines on small mixers. At present, most of the diesel engines used by the company are produced in Japan, including,, and so on. A series of diesel engines have been introduced and analyzed.
系列柴油機是紅直列、活塞式、水冷、增壓才有發動機。紅徑,行程、虹心距、凈重功率覆蓋范圍為。
Series diesel engine is a red in-line, piston type, water-cooled, supercharged engine. Red diameter, stroke, rainbow center distance and net weight power coverage are.
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系列柴油機通過采用高壓共軌燃油噴射技術,油耗低、可靠性高,該發動機上帶有為小型攪拌車上裝提供動力的動力輸出口(,大輸出扭矩為大輸出功率
The series diesel engine adopts high pressure common rail fuel injection technology, which has low fuel consumption and high reliability. The engine is equipped with a power output port (, large output torque is large output power
液壓元件
Hydraulic components
減速機:減速機釆用行星傳動齒輪箱,結構緊湊,傳動效率高,運轉安全可靠易于維護保養。
Reducer: the reducer adopts planetary transmission gear box, with compact structure, high transmission efficiency, safe and reliable operation and easy maintenance.
攪拌耀速度控制:根據“發動機轉速油菜排量馬達排量減速機減速比耀體轉速,其中馬達排量、減速機減速比是常數,罐體轉速如果恒定為常數,則只要發動機轉速油粟排量為常數即可。
Speed control of mixing blade: according to the "engine speed rape displacement motor displacement reducer speed reduction ratio flare speed, in which the motor displacement and reducer speed reduction ratio are constant, if the tank speed is constant, as long as the engine speed oil displacement is constant.
小型攪拌車的動力系統分析
Power system analysis of small mixer
電子恒速傳動方案是把液壓粟的控制形式改為電比例控制,液壓錄輸出流量與輸入電流成正比,通過調節比例閥的輸入電流,改變液壓粟斜盤角度,從而達到調速目的。
The electronic constant speed transmission scheme is to change the control form of the hydraulic millet to the electric proportional control. The output flow of the hydraulic recorder is proportional to the input current. By adjusting the input current of the proportional valve, the angle of the hydraulic millet swashplate is changed to achieve the purpose of speed regulation.
在一定發動機速度下,電比例液壓粟開度達到大,此時如希望攪拌罐的速度再上升則需要提高小型攪拌車底盤發動機速度。
At a certain engine speed, the opening of the electric proportional hydraulic millet is large. At this time, if you want the speed of the mixing tank to rise again, you need to increase the speed of the chassis engine of the small mixer.
This is the end of the analysis of the power system of the small mixer. If you have any ideas, please come to our website http://www.www.boy7up.cn Consult!