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1、根据起重量和施工安全要求选用千斤顶,使用前应了解其性能和操作方法,经试顶确认良好,方可使用。2、千斤顶应安放在有足够承载能力而又稳定的地面或建筑物上。上、下接触面之间,应垫以木板或麻袋等防滑材料。3、千斤顶的放置,应对正被顶物件的中心位置,当同时使用二台以上的千斤顶进行操作时,不得超过允许承载能力的80％,须使各台千斤顶受力的合力作用线与被顶工作物中心吻合,以防千斤顶负重后发生倾斜。4、千斤顶安置好后,应将物件稍微顶起,确认无异常时,方可继续起顶。
1, according to the lifting capacity and construction safety requirements jack, before use should understand its performance and operation method, the test top to confirm good before use. 2, Jack should be placed on the ground or buildings with sufficient carrying capacity and stability. Upper and lower contact surfaces should be padded with non-slip material such as wood or sacks. 3, the jack placed in response to being the top center of the object position, when using more than two jacks for operation, shall not exceed 80% of the allowable carrying capacity, to be forced to force the jack of each line and was top Work center match, to prevent the jack tilt occurred after load. 4, after the jack is placed, the object should be slightly jacked up, no abnormalities, can continue to start.