When using the elevator, it is sometimes necessary to use the rapid descent, so how to carry out the rapid descent?

在確保電氣接線無誤，調(diào)整兩個電動機(jī)轉(zhuǎn)動一致。電源供電正常的情況下，把升降控制開關(guān)接到吊籠頂部平臺上進(jìn)行人操作空載試運行操作控制開關(guān)使吊籠在導(dǎo)軌架上下運行數(shù)次，吊籠運行平穩(wěn)，無跳動、異響等故障，同時進(jìn)一步檢查導(dǎo)向輪、齒輪等嚙合接觸情況，正常后工作額載試運行，操作方法同上，并進(jìn)一步檢查電 動機(jī)、減速器的發(fā)熱情況，在全部情況正常后允許投入正常安裝運行。

After ensuring that the electrical wiring is correct, adjust the rotation of the two motors to be consistent. When the power supply is normal, connect the lifting control switch to the platform on the top of the cage for human operation and no-load test run. The control switch enables the cage to run on and off the guide rail frame for several times. The cage runs smoothly without jumping, abnormal noise and other faults. At the same time, further check the meshing contact of the guide wheel and gear. After normal operation, conduct the rated load test run. The operation method is the same as above, and further check the heating of the motor and reducer, It is allowed to put into normal installation and operation after all conditions are normal.

對于新安裝的施工升降貨運機(jī)，還應(yīng)作超載25%的靜載實驗10分鐘，檢查吊籠各主梁剛度，及導(dǎo)向輪定位堅固等是否可靠，發(fā)現(xiàn)問題應(yīng)及時解決。在施工升降貨運機(jī)各部安裝就緒后，在試運轉(zhuǎn)同時應(yīng)分別調(diào)整各部件相對位置及行程開關(guān)轉(zhuǎn)臂長度，再分述如下隙調(diào)整后可進(jìn)行吊籠運行實驗。

For the newly installed construction lifting freight machine, the static load test with 25% overload shall be conducted for 10 minutes to check whether the rigidity of each main beam of the cage and the positioning of the guide wheel are reliable. Any problems found shall be solved in time. After the installation of each part of the construction lifting freight machine is completed, the relative position of each part and the length of the rotating arm of the travel switch shall be adjusted respectively during the test run, and then the cage operation test can be carried out after the following gap adjustment.

確保切斷主機(jī)電源，然后把駐動電機(jī)與減速器連接的檢查蓋拆下，用撬棒插入機(jī)組連軸器連孔內(nèi)，撬動時需要同時用手打開電動機(jī)尾端制動器的松閘并進(jìn)行二次撬動準(zhǔn)備，如次往復(fù)撬動使吊籠上升1m左右，與此同時檢查吊籠在導(dǎo)軌架上的上升情況。

First, make sure to cut off the power supply of the main machine, then remove the inspection cover connected between the parking motor and the reducer, and insert the crowbar into the coupling hole of the unit coupling. When crowding, it is necessary to manually open the brake at the end of the motor and prepare for the second crowding. If the second reciprocating crowding makes the lifting cage rise by about 1m, at the same time, check the lifting of the lifting cage on the guide rail frame.

并隨時調(diào)整各滾輪位置，使吊籠齒輪與齒條嚙合位置準(zhǔn)確，運行平衡，各滾輪與導(dǎo)軌架立柱管接觸均勻，無碰撞等現(xiàn)象，然后用手輕拉松閘門把手，使吊籠緩緩下降，以上操作重復(fù)一次，確認(rèn)可運行后，方可進(jìn)行機(jī)械驅(qū)動試車。

The position of each roller shall be adjusted at any time to ensure that the meshing position of the cage gear and rack is accurate and the operation is balanced, and the contact between each roller and the guide rail frame column tube is uniform without collision, and then the gate handle shall be gently opened to make the cage slowly lower. The above operations shall be repeated once, and the mechanical drive commissioning can be carried out only after it is confirmed that it can be operated.

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