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        營口金和機電設備有限公司

        Yingkou Jinhe Mechanical and Electrical Equipment Co., Ltd.

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        教您如何拆卸電機 Teach you how to disassemble the motor

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        教您如何拆卸電機 Teach you how to disassemble the motor

        發布日期:2021-04-28 作者: 點擊:

        生活中,我們遇到電機壞的時候,想要拆卸,該如何做呢?下面就讓電機廠家來告訴您吧。


        (一)先拆下電機的外部接線,并做好標記,例如對于異步電機,應做好與三相電源線對應的標記,對于直流電機,應分別做好并勵繞組、電樞繞組等與外部接線對應的標記。然后將底腳螺釘松開,把電機與傳動機械分開。

        (二)用所示的工具來拆卸電機軸上的帶輪或聯軸器,有時需要先加一些煤油在帶輪的電機軸之間的縫隙中,使之滲透潤滑,便于拆卸。有的軸和輪配合較緊的,還需要對輪迅速加熱(同時用濕布包住轉軸),才能將輪拆下。

        1529044656748866.jpg

        (三)對于裝有滾動軸承的電機,應先拆下軸承外蓋,再松開端蓋的緊固螺釘,并在端蓋與機座外殼的接縫處做好標記(前后兩個端蓋的標記不應相同),將卸下的緊固端蓋的螺釘擰入電機端蓋上專門設置的兩個螺孔中,將端蓋頂出。沒有這種螺孔的電機,則只能用鏨子(又叫扁鏟)和鐵錘敲打端蓋與機座的接縫處,把端蓋從機座上卸下來。如端蓋較重,應用起重設備吊住端蓋,逐步卸下。

        (四)拆卸帶有電刷的電機時,應將電刷自刷握中取出,對去直流電機,還要將電刷中性線的位置做上標記。

        (五)抽出轉子時,必須注意不要碰傷定子線圈,轉子重量不大的,可以用手抽出;重量較大的,就應該用起重設備來吊出,超作步驟見圖1-4所示。先將轉子軸兩端套以起重用鋼絲繩用起重設備吊住轉子,慢慢移出,注意防止碰壞線圈。再在軸的一端套上一根鋼管,為了不使鋼管刮傷軸頸,可在鋼管內襯一層厚紙板繼續將轉子逐步移出,待轉子的重心已移到定子外面時,在轉子軸端下墊一支架,將鋼絲繩套在轉子中間,即可將轉子全部抽出。


        In life, when we encounter a broken motor, we want to disassemble it. What should we do? Now let the motor manufacturer tell you.

        (1) First remove the external wiring of the motor and make a mark. For example, for an asynchronous motor, the mark corresponding to the three-phase power line should be made. For a DC motor, the shunt winding, armature winding, etc. should be made separately. The mark corresponding to the external wiring. Then loosen the foot screws to separate the motor from the transmission mechanism.

        (2) Use the tools shown to disassemble the pulley or coupling on the motor shaft. Sometimes it is necessary to add some kerosene to the gap between the motor shaft of the pulley to penetrate and lubricate it for easy disassembly. Some shafts and wheels are tightly matched, and the wheels need to be heated quickly (while covering the shaft with a damp cloth) before the wheels can be removed.

        1529044656748866.jpg

        (3) For motors equipped with rolling bearings, first remove the bearing outer cover, then loosen the fastening screws of the end cover, and mark the joints between the end cover and the housing shell (the front and rear end covers The marks should not be the same), screw the removed screws to fasten the end cover into the two specially set screw holes on the end cover of the motor, and push the end cover out. For motors without such screw holes, you can only use a chisel (also called a flat shovel) and a hammer to hit the joint between the end cover and the base to remove the end cover from the base. If the end cap is heavy, use lifting equipment to lift the end cap and remove it gradually.

        (4) When disassembling a motor with a brush, the brush should be taken out of the brush holder, and the position of the neutral wire of the brush should be marked when removing the DC motor.

        (5) When pulling out the rotor, you must be careful not to damage the stator coil. If the rotor is not heavy, you can pull it out by hand; if the weight is heavier, you should use lifting equipment to lift it out. See Figure 1-4 for the overwork steps. Show. First put both ends of the rotor shaft with a lifting wire rope to hang the rotor with a lifting device, and slowly move it out, taking care to prevent damage to the coil. Then put a steel pipe on one end of the shaft. In order to prevent the steel pipe from scratching the journal, the steel pipe can be lined with a layer of thick cardboard to continue to move the rotor out gradually. Put a bracket under it and put the steel wire rope in the middle of the rotor to pull out all the rotor.


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        Z近瀏覽:

        公司采用國內先進的鑄造工藝及機械加工設備和技術,是一個以生產高強度、高氣密性、高耐壓、特種鋁合金鑄件為核心的高新技術企業。

        The company adopts domestic advanced casting technology and mechanical processing equipment and technology.

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