Aluminum alloy ladder is made of high-strength aluminum alloy profiles; light weight; convenient to carry; advanced square tube squeezing riveting technology, good safety ; And equipped with strong non-slip ladder feet. This greatly facilitates the work intensity of the construction personnel. At present, there are more manufacturers of aluminum alloy ladders in the country. The quality of the ladders is related to personal safety. When purchasing, you must look for regular companies and companies with good reputation.
Step ladder According to the manufacturer, before using the ladder, make sure that all rivets, The bolts, nuts and movable parts are tightly connected. The ladder column and the steps are firm and reliable. The extension circlips and hinges are in good working condition. The ladder is kept clean and free of grease, oil, wet paint, mud, snow and other slippery substances. The operator's shoes are kept Clean, do not wear leather-soled shoes.
When using the ladder, pay attention to physical fatigue. Do not use the ladder when taking drugs, drinking alcohol or having physical disabilities. Ladder should be placed on a firm and stable ground. It is forbidden to be placed on ice, snow or slippery ground without anti-skid and fixed equipment. It is forbidden to exceed the marked load-bearing capacity during operation, and it is forbidden to use ladders in strong winds. Metal ladders are conductive and avoid close to live places. When climbing, the person faces the ladder, grasps with both hands firmly, and keeps the body's center of gravity at the center of the two ladder columns. Do not stand on the ladder steps within 1 meter from the top of the ladder during work. Always keep a safety height of 1 meter, let alone climb the top When working, do not exceed the top of the head with your hands to avoid loss of balance and danger. It is forbidden to cross directly from one side of the ladder to the other.
The single ladder or herringbone ladder forms an angle of about 75 degrees with the ground. After extending the ladder, keep the overlapped part overlapped. The overlap distance of ladders under 8 meters should be more than 75 cm, and the overlap distance of ladders over 8 meters should be more than 110 cm. When lifting a ladder, you should hold the handle with one hand and the rope while lifting it. Do not place your palm on the ladder step, otherwise you may get your fingers stuck when you lift the ladder. Rise toAppropriate use height, after making sure that the lifting clip is stuck to the step, pull off the fixed block at the bottom of the upper ladder and fasten it, then tie up the lifting rope, open the ladder to a suitable width and use it, please lift gently when lifting .
To lower the ladder, gather the two sides of the ladder closer, then untie the fixed ropes and raise the ladder a bit , Make the fixed clip leave the step surface, and then slowly descend
. If the descent is not smooth, you can hold the rope in one hand and gently shake the ladder back and forth with the other until the ladder descends smoothly.