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二手叉車制動系統的改進!

來源:http://nukkadh.com/ 日期:2019-06-26 發布人:admin

  1. 改進原因:當壓縮空氣壓力大于0.75mpa時,油水分離器組合閥2自動放空,使3號油箱壓力保持在0.75mpa以內。壓力開關4用于檢測3個儲氣罐內的壓力。當壓力達到0.75mpa時,壓力開關4發出電信號,使低壓報警蜂鳴器停止,說明駕駛員可以駕駛。

  1. Reasons for improvement: When the compressed air pressure is greater than 0.75 mpa, the oil-water separator combination valve 2 automatically empties, so that the pressure of No. 3 tank is kept within 0.75 mpa. Pressure switch 4 is used to detect the pressure in three gas storage tanks. When the pressure reaches 0.75 mpa, the pressure switch 4 sends out an electric signal to stop the low-voltage alarm buzzer, indicating that the driver can drive.
  傳統12 t叉車制動系統主要由空氣壓縮機、油水分離器組合閥1 2,丙烷坦克、壓力開關、空氣制動閥4 5,6,7氣泵,剎車燈開關左,右鉗盤式制動器卡鉗盤式制動器9和10儲罐,1空氣壓縮機動力從發動機,發動機運行,1旋轉驅動空氣壓縮機、空氣壓縮機1輸出的壓縮空氣。壓縮空氣通過油水分離器組合閥2后進入儲氣罐3。
  Traditional 12 t forklift brake system is mainly composed of air compressor, oil-water separator combination valve 12, propane tank, pressure switch, air brake valve 45, 6, 7 air pump, brake lamp switch left, right caliper disc brake 9 and 10 storage tanks, 1 air compressor power from engine, engine operation, 1 rotary drive air compressor, air compressor 1 output compressor. The compressed air passes through the oil-water separator combination valve 2 and enters the gas storage tank 3.
  該系統主要存在以下兩個缺陷:一是制動系統中只有一個空氣增壓泵。如果泵在運行過程中突然損壞,會導致整車無法剎車,存在一定的風險。第二,單個空氣增壓泵的制動液容量相對較小。當叉車長時間工作時,制動液會迅速升溫,甚至制動液也會沸騰并溢出10個儲液罐。當制動液減少時,制動性能下降,影響叉車的安全。
  The system has two main defects: one is that there is only one air booster pump in the brake system. If the pump is suddenly damaged during operation, it will cause the whole brake to be unable to brake, and there is a certain risk. Secondly, the brake fluid capacity of a single air booster pump is relatively small. When the forklift truck works for a long time, the brake fluid will rise rapidly, and even the brake fluid will boil and overflow 10 tanks. When the brake fluid decreases, the braking performance decreases, which affects the safety of forklift trucks.
  當駕駛員下氣制動閥5時,壓縮空氣從氣制動閥5的出風口進入氣泵氣缸7,將氣缸活塞向右推,驅動液壓缸內的制動液輸出。制動液通過管路分別供給左側+盤式制動器8和右側+盤式制動器9,產生制動效果。空氣增壓泵氣缸活塞面積遠大于液壓缸活塞面積,其產生的增壓效果可使制動液壓力增加到13MPa。儲液罐10用于補充空氣增壓泵7液壓缸的制動液。
濟南二手叉車
  When the driver lowers the pneumatic brake valve 5, the compressed air enters the pneumatic pump cylinder 7 from the outlet of the pneumatic brake valve 5 and pushes the cylinder piston to the right to drive the brake fluid output in the hydraulic cylinder. The brake fluid is supplied to the left side+disc brake 8 and the right side+disc brake 9 respectively through the pipeline to produce braking effect. The piston area of air booster pump cylinder is much larger than that of hydraulic cylinder. The boosting effect can increase the braking hydraulic pressure to 13 MPa. The liquid storage tank 10 is used to supplement the brake fluid of the 7 hydraulic cylinder of the air booster pump.
  2. 改進措施改進措施是在每個制動系統中增加一個空氣增壓泵和一個儲罐。改進后,制動系統共有兩個空氣加力燃燒室泵和兩個液體儲罐,即液體空氣加力燃燒室出口管道泵7和10和液體儲罐11和12 2空氣加力燃燒室水泵7和10正交磁場與左閘8和右閘9分別作用于兩個制動缸分別左和右鉗盤式制動器。即使一臺空氣增壓泵損壞,制動系統仍能發揮制動作用,從而提高叉車制動的安全性。
  2. The improvement measure is to add an air booster pump and a storage tank in each braking system. After improvement, there are two air afterburner pumps and two liquid storage tanks in the brake system, namely, the outlet pipeline pumps 7 and 10 of the liquid air afterburner and the water pumps 7 and 10 of the 11 and 12 air afterburner and the orthogonal magnetic field of the left brake 8 and the right brake 9 acting on the left brake cylinder and the right brake disc brake respectively. Even if an air booster pump is damaged, the braking system can still play a braking role, thus improving the safety of forklift braking.
  11、12儲液罐安裝在駕駛室內,通過長膠管與空氣增壓泵7、10相連接,便于駕駛員觀察儲液罐內的液位。但是,增加儲液罐可以增加制動液的容量,降低制動液溫升過快。為了縮短制動管路的長度,使制動更加靈敏,在叉車主梁上安裝了空氣增壓泵7和10。
  The 11 and 12 liquid storage tanks are installed in the cab and connected with the air booster pumps 7 and 10 through long rubber hoses. It is convenient for the driver to observe the liquid level in the liquid storage tanks. However, increasing the storage tank can increase the capacity of brake fluid and reduce the brake fluid temperature rising too fast. In order to shorten the length of braking pipeline and make braking more sensitive, air booster pumps 7 and 10 were installed on the main beam of forklift truck.
  改進后的12t叉車制動系統制動距離短,響應靈敏,運行可靠。
  The brake system of the improved 12t forklift truck has the advantages of short braking distance, sensitive response and reliable operation.

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