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济南叉车水温过高的原因有哪些?

来源:/ 日期:2018-12-26 发布人:admin

  叉车浅谈引起内燃叉车水箱高温的原因及解决办法: 驾驶员都知道,有时分,尤其在夏天,内燃叉车的水箱会有很高温的时分,有必要停下来,这样就影响了叉车作业,严峻时还会损坏零部件,那有哪些原因引起叉车水箱高温的呢?该怎么解决呢?叉车告诉你:

  Forklift Brief Talk about the Causes and Solutions of High Temperature in Water Tank of Internal Combustion Forklift Truck: Drivers know that sometimes, especially in summer, the water tank of Internal Combustion Forklift truck will have a high temperature, and it is necessary to stop, which will affect the operation of forklift truck and damage parts in severe times. What causes the high temperature in water tank of forklift truck? How to solve this problem?
  叉车水温过高的原因
  Reasons for Excessive Water Temperature of Forklift Trucks
  水温高有许多原因:控温开关•●、泵•●、子扇•●、水管锈了•●、回水不好等要素都会引起这样的结现象。发动机水温的凹凸主要是和节温器是否正常作业•●、水泵能否建立满足的压力•●、冷却电扇能否达到标准转速有关。那怎么来查看叉车水温不正常呢?冷却系统一般由冷却电扇•●、散热器•●、节温器等元件构成。冷却电扇往往由发动机直接带动,而且电扇转速与发动机转速一致。冷却水温的控制主要依托节温器。
  There are many reasons for the high water temperature: temperature control switches, pumps, fans, rusted water pipes, poor backwater and other factors can cause such a knot phenomenon. The concave and convex of engine water temperature is mainly related to whether the thermostat is working properly, whether the pump can establish the satisfied pressure, and whether the cooling fan can reach the standard speed. How to check the temperature of forklift truck is abnormal? Cooling system is generally composed of cooling fans, radiators, thermostats and other components. Cooling fans are often driven directly by the engine, and the speed of the fan is the same as that of the engine. The control of cooling water temperature mainly relies on thermostat.
  节温器的原理
  Principle of thermostat
  节温器又称调温器,功用是根据冷却水温度的凹凸主动调理进入散热器的水量,改动水的循环范围,以调理冷却系的散热能力,确保发动机在适宜的温度范围内作业。节温器有必要坚持杰出的技能状况,否则会严峻影响发动机的正常作业。如节温器主阀门敞开过迟,就会引起发动机过热;主阀门敞开过早,则使发动机预热时刻延长,使发动机温度过低。此时可判断节温器的作业状况是否杰出,当发动机开端冷车运转时,水箱的上水室进水管处如还有冷却水流出,则阐明节温器的主阀门不能封闭;当发动机冷却水温度超越70摄氏度时,水箱的上水室进水管处无冷却水流出,则阐明节温器主阀门不能正常敞开,这时就需求进行修理。
  The function of thermostat is to actively adjust the amount of water entering the radiator according to the concave and convex temperature of cooling water and change the circulation range of water to adjust the cooling capacity of the cooling system and ensure that the engine works in the appropriate temperature range. It is necessary for thermostats to adhere to outstanding technical conditions, otherwise it will seriously affect the normal operation of the engine. If the main valve of the thermostat is opened too late, the engine will be overheated; if the main valve is opened too early, the preheating time of the engine will be prolonged and the temperature of the engine will be too low. At this time, it can be judged whether the operation of thermostat is outstanding or not. When the engine starts running, if there is cooling water flowing out from the water inlet pipe of the water tank, the main valve of the thermostat can not be closed. When the cooling water temperature of the engine exceeds 70 degrees Celsius, there is no cooling water flowing out from the water inlet pipe of the water tank, the main valve of the thermostat can not be opened normally. It needs to be repaired.
  节温器的查看可在车上进行,办法如下:
  The thermostat can be checked in the car by the following methods:
  一•●、发动机起动后的查看:打开散热器加水口盖,若散热器内冷却水平静,则标明节温器作业正常,否则,则标明节温器作业失常。
  1. View after engine starting: Open the radiator nozzle cover, if the cooling level is still, it indicates that the thermostat works normally, otherwise, it indicates that the thermostat works abnormally.
  二•●、这是因为,在水温低于70℃时,节温器胀大筒处于缩短状况,主阀门封闭;当水温高于80℃时,胀大筒胀大,主阀门渐渐打开,散热器内循环水开端流动。
  2. This is because when the water temperature is lower than 70 C, the expanding cylinder of the thermostat is in a shortened state and the main valve is closed; when the water temperature is higher than 80 C, the expanding cylinder expands, the main valve gradually opens, and the circulating water in the radiator begins to flow.
  三•●、当水温表指示70℃以下时,散热器进水管处若有水流动,水温温热,则表时节温器主阀门封闭不严,使冷却水过早大循环。
济南叉车租赁
  3. When the water thermometer indicates below 70 C, if there is water flow in the intake pipe of the radiator and the water temperature is hot, the main valve of the thermostat is not tightly closed at the time of the meter, which makes the cooling water circulate too early and too large.
  四•●、水温升高后的查看:发动机作业初期,水温上千很快;当水温表指示80后,升温速度减慢,则标明节温器作业正常。反之,若水温一直升高很快,当内压达到必定程度时,沸水俄然溢出,则标明主阀门有卡滞,俄然打开。
  4. Check after the increase of water temperature: at the beginning of engine operation, the water temperature is thousands of times fast; when the water thermometer indicates 80, the heating speed slows down, indicating that the thermostat is working normally. Conversely, if the water temperature has been rising rapidly, when the internal pressure reaches a certain level, the boiling water suddenly overflows, indicating that the main valve is stuck, suddenly open.
  五•●、在水温表指示70℃-80℃时,打开散热器盖和散热器放水开关,用手感其水温,若均棘手阐明节温器作业正常;若散热器加水口处水温低,且散热器上水室进水管处无水流出或流水甚微,阐明节温器主阀门无法打开。
  5. Open the radiator cover and the radiator drain switch when the water thermometer indicates 70-80 C, and feel the water temperature with your hands. If it is difficult to clarify that the thermostat works normally, if the water temperature at the radiator feeding nozzle is low, and there is no water flow or little water flow at the intake pipe of the radiator upper chamber, it is clarified that the main valve of the thermostat cannot be opened.
  水泵是冷却水在冷却系统中不断循环的动力,影响水泵的要素有叶轮和皮带,叶轮松动冷却水就无法循环,导致水泵受损。皮带过大,导致水温过高,太小则会对水泵轴承•●、发电机轴承造成损害。
  Pump is the power of continuous circulation of cooling water in the cooling system. Impeller and belt are the key factors affecting the pump. If the impeller loosens, the cooling water can not be recycled, resulting in damage to the pump. If the belt is too large, the water temperature will be too high. If the belt is too small, the bearing of pump and generator will be damaged.
  电扇风量的检测:可将一薄纸放于散热器前面,当发动机运转时,若纸能被吹开,则阐明风量满足。这和前置发动机的轿车电扇向内吸风有差异。叶片不能装反,并应确保电扇放护罩完全有效。
  Detection of fan flow: A thin paper can be placed in front of the radiator. When the engine is running, if the paper can be blown away, the air flow is satisfied. This is different from the inward suction of the car fan with the front engine. The blades should not be reversed, and the fan cover should be fully effective.
  散热器方面,叉车的底盘较低,散热器置于车辆的尾部。粉尘很简单在散热器外表堆积,如果不及时清洗,就会严峻影响散热效果。冷却水严禁运用“硬水”,以防止散热器中产生水垢,导致冷却水增加缺乏。
  As for radiator, the chassis of forklift truck is lower, and the radiator is placed at the rear of the vehicle. Dust is simply accumulated on the outside of the radiator. If it is not cleaned in time, it will seriously affect the heat dissipation effect. Cooling water is strictly forbidden to use "hard water" to prevent scaling in the radiator, resulting in an increase in the lack of cooling water.
  叉车在此提醒大家,开叉车的时分需求多留神观察,防微杜渐,防止发生更大的毛病。
  Forklift trucks here remind you that when driving forklift trucks, we need to pay more attention to observation, prevent micro-gradual, to prevent greater problems.

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