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叉車的改進措施介紹!

來源:http://nukkadh.com/冷门赚钱行业 日期:2019-01-14 發布人:admin

  (1) 增加齒輪泵出口至單穩分流閥管路的通徑,由φ18mm加大到φ25mm,使油流在管內的流出速度由原來的10.3m/s降至5.3m/s,大大減少了油液流經管路時的壓力損失,同時降低了振動和噪聲。

  (1) Increase the diameter of gear pump outlet to monostable distributor valve pipeline from 18 mm to 25 mm, so that the oil flow velocity in the pipeline decreases from 10.3 m/s to 5.3 m/s, which greatly reduces the pressure loss of oil flow through the pipeline, and reduces the vibration and noise.
  (2)在不改變車架整體結構的同時,將蓄電池箱向前移動,省出的空間用于增加油箱的容積,油箱的容量由原來的100L加大到150L:另一方面改變油箱的進出油口之間距離,由原來的300mm增加到800mm,確保了油液在油箱內能夠得到充分的循環,不僅增加了油箱的散熱面積,而且也改善了油箱的散熱效果。
  (2) While not changing the overall structure of the frame, move the battery box forward and save space to increase the volume of the tank. The capacity of the tank is increased from 100L to 150L. On the other hand, the distance between the inlet and outlet of the tank is changed from 300mm to 800mm, which ensures that the oil can be fully circulated in the tank and not only increases the heat dissipation area of the tank. It also improves the heat dissipation effect of the fuel tank.
  (3) 將變矩器油散熱器改作液壓油散熱器,設置在轉向器回油油路中,其安裝位置不變,由發動機風扇強制冷卻。變矩器的散熱采用安徽省鳳陽水箱廠生產的油水合一散熱器與發動機共同使用,安裝在液壓油散熱器后面,位置與改動前一致;其水箱散熱面積為22.5m2,油散熱面積為6m2,確保發動機及變矩器油液的散熱效果。
  (3) The oil radiator of the torque converter is replaced by a hydraulic oil radiator, which is installed in the oil return circuit of the steering gear. The installation position of the oil radiator remains unchanged and is forced to be cooled by the engine fan. The heat dissipation of the converter adopts the oil-water radiator produced by Fengyang Water Tank Factory in Anhui Province, which is installed behind the hydraulic oil radiator and is in the same position as before. The heat dissipation area of the water tank is 22.5m2 and the oil radiation area is 6m2, which ensures the heat dissipation effect of the engine and the oil of the converter.
濟南二手叉車
  (4)改變轉向液壓缸的結構,采用QT40—10球墨鑄鐵導向套支承替代原導向套內的尼龍支承環,另增加一個斯特封密封件,同時將活塞支承環寬度由34mm改為28mm。
  (4) To change the structure of the steering cylinder, the Nylon bearing ring in the original guiding sleeve was replaced by the support of the QT40-10 ductile iron guiding sleeve, and a Stirling seal was added. At the same time, the width of the piston supporting ring was changed from 34 mm to 28 mm.
  改進后對系統進行檢測,(1)首先對改進后的轉向液壓缸進行單元試驗,把改進后的轉向液壓缸裝在叉車轉向橋體上將油液逐漸強制加熱至120℃以上,此時轉向液壓缸工作正常、無異響現象;(2)對整機液壓系統壓力損失進行測試,在無載工況下齒輪泵出口壓力由原來的2.0MPa降至1.5MPa,減少了液壓系統的阻力損失和發熱;(3)對整機按照平衡重式叉車整機實驗方法JB/T3300—1992標準進行整機熱平衡試驗,整機運行1h 42min后液壓油在接近90Y時趨于平衡,且發動機水溫及變矩器油溫均在正常工作溫度范圍內。
  After improvement, the system is tested. (1) Unit test is carried out on the improved steering hydraulic cylinder. The improved steering hydraulic cylinder is installed on the steering axle body of forklift truck and the oil is gradually forced to heat to more than 120 C. At this time, the steering hydraulic cylinder works normally and has no abnormal sound; (2) Pressure loss of the hydraulic system of the whole machine is tested, and the outlet pressure of gear pump is changed from the original under no load condition. 2.0 MPa is reduced to 1.5 MPa, which reduces the resistance loss and heat of the hydraulic system; (3) According to JB/T3300-1992 standard, the thermal balance test of the whole machine is carried out. After running for 1 hour and 42 minutes, the hydraulic oil tends to balance when approaching 90Y, and the water temperature of the engine and the oil temperature of the torque converter are within the normal working temperature range.
  以上內容由濟南二手叉車廠家整理發布,更多相關內容可以點擊我們的官網進行咨詢:http://nukkadh.com
  The above contents are arranged and published by Jinan used forklift manufacturers. More related contents can be consulted by clicking on our official website: http://nukkadh.com.

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