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螺旋千斤頂的使用方法

文章出處:Admin5作者:admin人氣:發表時間:2016-05-05 10:52【

    螺旋千斤頂又稱機械千斤頂,是由人力通過螺旋副傳動,螺桿或螺母套筒作為頂舉件。普通螺旋千斤頂靠螺紋自鎖作用支持重物,構造簡單,但傳動效率低,返程慢。自降螺旋千斤頂的螺紋無自鎖作用,裝有制動器。放松制動器,重物即可自行快速下降,縮短返程時間,但這種千斤頂構造較復雜。下部裝上水平螺桿后,還能使重物作小距離橫移。

    螺旋千斤頂如何使用呢?以下為具體步驟:

1,使用前必須檢查千斤頂是否正常,各部件是否靈活,加注潤滑油,并正確估計重物重量,選用適合噸位的千斤頂,切忌超載使用。
2,調整搖桿上的撐牙方法,先用手直接按順時針方向搖動搖桿,使升降套筒快速上升頂重物。
3,將手柄插入搖桿孔內,上下往返搬動手柄,重物隨之上升。當升降套筒上出現紅色警戒線時應該立即停止搬動手柄。如需下降時撐牙調至反方向,重物便開始下降。
使用螺旋千斤頂時,除遵守齒條千斤頂有關注意事項外,還應遵守下述安全注意事項:
(1)頂升重物前,注意放正千斤頂的位置,使其保持垂直,以防止螺桿偏斜彎曲及由此引起的事故。
(2)頂重時,應均勻使用力量搖動手柄,避免上下沖擊而引起事故和損壞千斤頂。
(3)使用時,應注意不使超過允許的最大頂重能力,防止超負荷所引起的事故。
(4)使用時,頂升高度不要超過套筒或活塞上的標志線,對無標志線的千斤頂,其頂升高度不得超過螺桿絲扣或油塞總高度的3/4,以免將套簡或活塞頂脫,使千斤頂損壞并造成事故。
(5)放松千斤頂使重物降落之前,必須事前檢查重物是否已經支墊牢靠,然后緩緩放落,以保證安全。
(6)使用保管期間,須用黃油潤滑,以防過度磨損,降低使用壽命。

 

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