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              混凝土自動上料攪拌車損壞后的維修事項

              所屬分類:行業新聞 發布時間:2021-07-02 來源:http://www.ikpipi.com 瀏覽量:18

              1、攪拌車離合器損壞的原因動力換擋變速器離合器接合時,液壓油的壓力克服彈簧力壓緊摩擦片。隨著液壓油壓力的升高,摩擦片與金屬盤接觸并逐漸壓緊,使離合器將飛輪動力平穩地傳遞到變速器輸人軸。每次換擋時,摩擦片都要與鋼片發生摩擦,產生的熱量由冷卻液散發出去。
              1. When the power shift transmission clutch is engaged, the pressure of the hydraulic oil overcomes the spring force to press the friction plate tightly. With the increase of hydraulic oil pressure, the friction plate contacts with the metal plate and gradually compresses, so that the clutch smoothly transmits the flywheel power to the transmission input shaft. Every shift, friction plate and steel plate friction, heat generated by the coolant out.
              當摩擦片及鋼片變薄時,為了使它們充分接合就需要更多的液壓油,發動機須進一步加速,摩擦片在鋼片上的打滑時間也隨之延長,由此產生的摩擦熱量也會更多,促使液壓油的溫度增加,當達到足以改變變速器中密封件性能的溫度時,變速器就會產生內泄。而內泄又從兩個方面繼續引起熱量的增加:高壓油經損壞的密封處泄漏,使油溫繼續升高;由于漏油,液壓泵勢必要輸送更多的油液來保證接合離合器時所需的壓力,使離合器充分地接合,這也要求發動機繼續加速,使液壓泵產生更大的流量。如此惡性循環,必將導致離合器過熱或燒損,直至完全失效。
              When the friction plate and steel plate become thinner, in order to make them fully joint, more hydraulic oil is needed. The engine must be further accelerated, and the sliding time of the friction plate on the steel plate will also be prolonged, resulting in more friction heat, which will increase the temperature of the hydraulic oil. When the temperature is enough to change the performance of the seal in the transmission, the transmission will produce internal leakage. The internal leakage causes the increase of heat from two aspects: the leakage of high-pressure oil through the damaged seal makes the oil temperature continue to rise; Due to the oil leakage, the hydraulic pump will need to deliver more oil to ensure the pressure required to engage the clutch, so that the clutch can be fully engaged, which also requires the engine to continue to accelerate, so that the hydraulic pump can produce greater flow. Such a vicious circle will lead to overheating or burning of the clutch until it is completely invalid.
              自動攪拌車
              2、攪拌車離合器活塞密封性的檢測裝載機行走無力或油溫過高時,就需要判斷是離合器活塞密封不嚴還是油壓不足引起的,但常規檢測手段有時很難斷定是哪個原因引起故障,尤其是在無動力的情況下,檢查組裝好的變速器總成的各密封環就更困難了。此時,可采用氣壓閥進行測試。
              2. When the loader moves weakly or the oil temperature is too high, it is necessary to judge whether the clutch piston seal is not tight or the oil pressure is insufficient. However, it is sometimes difficult to determine which cause the fault by conventional detection methods, especially in the case of no power, it is more difficult to check the seal rings of the assembled transmission assembly. At this time, the pneumatic valve can be used for testing.
              首先,將攪拌車變速器控制閥拆掉(對組裝好的變速器應在裝控制閥之前),然后依次給變速器各油孔通人0.6一0.8MPa的氣體,若某一個孔通人氣體時,聽到"嘭"的一聲且無漏氣聲或漏氣聲很小進口計量泵,則說明與之對應的離合器活塞與缸筒間的密封良好;若聽不到活塞壓緊摩擦片的聲響且漏氣聲較大,則說明離合器活塞與缸筒間的密封失效,應更換密封件。
              First of all, remove the control valve of the mixer transmission (before installing the control valve for the assembled transmission), and then fill each oil hole of the transmission with 0.6-0.8mpa gas in turn. If the sound of "bang" is heard when a hole is filled with gas, and there is no air leakage or the air leakage is very small, then the seal between the clutch piston and the cylinder is good; If the sound of the piston pressing the friction plate is not heard and the air leakage is large, the seal between the clutch piston and the cylinder barrel is invalid, and the seal should be replaced.
              今日就是小編給大家編寫的全自動上料攪拌機的相關知識,更多的精彩內容請點擊我們的網站:http://www.ikpipi.com歡迎大家在網站留言,或者撥打電話溝通交
              Today is the knowledge about automatic mixer compiled by Xiaobian. For more wonderful content, please click our website: http://www.sdzkjf.cn Welcome to leave a message on the website, or call to communicate
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