1, sling specification, type choice when choosing sling specifications, must the hoisting load by size, weight, appearance, and prepared to adopt the hoisting method and the use of common effect coefficient calculation way in given of extreme job force requirements, but also work environment, the types of load must be considered. Must choose has enough ability, and can satisfy the use of the length of the appropriate way sling, if multiple sling is used at the same time hoisting load, must choose the same type sling; Sling a flat of raw material can not affected by environmental or load effect. Whatever attachment or soft lug whether to need, must consider carefully sling's late and auxiliary accessories and lifting equipment match.
2, of the sling, limit the use of Angle when using soft lug the flat sling, minimum use lug length not less than 3.5 times and lug contact part of the hook maximum thickness, and lifting lugs activities can't more than 20 째 Angle. When connecting with the soft lug sling and lifting appliances, sling and lifting appliances contact part must be always, unless the sling axial width no more than 75 mm, lifting attachment must be at least bending radius is sling axial width of 0.75 times. For example: the sling the radius of the goods on the hook at least 0.75 times the sling axial width. Fabric width may be goods inside radius of influence of hooks, and have the effect of that the hook curvature in fabric width limits of a balanced role. Sling it is strictly prohibited to overload, must use the right way coefficient, and part of the work force way limit might have on the label given, multiple combination sling can't more than and vertical direction maximum Angle.
3, follow the good hoisting experience in hoisting plan before it began the operation of light and good solution.
4, hoisting, the correct use of sling connection mode sling in safe mode the right place, connects the load, must be put in the sling a load to the role of can balance the load of the sling width; Still can not knot or distortion sling suture parts can't placed in hook or lifting equipment, and always in a sling of upright part, pass away from load, hooks and lock to prevent damage to the Angle label.
5, multiple combination sling with the use of the note multiple combination of the sling limit of the assessment of the work force in combination to load the sling symmetry, and it is when, according to the design of the sling branch distribution symmetric even, with the same vertical Angle. 3 combination sling, if the branch cannot according to design the stress of the uniform, the biggest strength in a branch, that will be designing Angle branch near the sum total of the largest holding capacity, the same results in 4 combination of sling, if not rigid load, will also count. Note: for rigid load, most of the gravity might be three teams, or even two, assume, the rest of the that one only protect load balance
6, hoisting, sling protection sling away from sharp edges, friction and wear, whether it be far away from the load or lifting appliances, should strengthen and protect the right part of the from hard edges and wear damage, the necessary extra protection is necessary to strengthen the supplement.
7, ensure lifting, load balancing in the lifting process, must use safe ways to use a sling, can't let load tilted or in a sling from slide; Must arrange sling in load center of gravity and lifting point straight upper part, make load balanced, stable, if not lifting point in negative focus, under the sling across the movement may be key. Lead to dangerous.
8, sling the hoisting way if use basket dicks, can guarantee load security, because no like lock that lock crane behavior, and sling can flip through the key, recommend two sling are used together, sling the members of the vertical suspension as far as possible, to ensure equitable sharing between load in the branches. When the flat sling lock crane, should allow put natural Angle (120 째) of the state to avoid the friction produce hot, sling is not in force by powerful position, also do not attempt to create a tight clip mouth, the safety of the correct way to use a sling double lock cranes. Double lock crane ensuring safety and prevent load from sling in slide.
9, ensure the personnel security in the process of lifting, watching closely to ensure the safety of the people must be warned of the danger in state personnel, if need, immediately withdraw from the danger zone. Hand or other parts of the body must stay away from sling, prevent when sling relax from harm.
10, in process of hoisting, must use demonstration way must be adopted in the operation of the demonstration hoisting, sling from loosely picked up until hanging sola tight, load gradually was promoted to the position of the book, especially important in the basket is hanging or free taut friction when bear load.
11, control the rotation of the load if load tend to tilt, must put down the heavy load, ensure that load restrictions, prevent load the rotation of the accident be guaranteed.
12, avoid the rigging of the collision, drag and pull, friction, oscillation, prevent rigging damage in hoisting, must pay attention to ensure that load restrictions, to prevent accidental flip or and other objects collide. Avoid drag and pull or oscillation load, if that will increase the stress of the rigging. If rigging in the load, or load in the pressure in the rigging, not on the ground or rough surface sling a drag.
13, rigging landing when hoisting, load will be in equal constraints of the situation falls down.
14, the correct storage sling when sling complete hoisting operations, must be put back, the correct storage; If no longer use, must be stored sling in a clean, dry, good ventilated condition, the room temperature, and in the shelf, far away from heat, the appearance of gas, chemical erosion, direct sunlight or other strong ultraviolet ray. Priority use storage items, must check the sling in use process happen any damage, not in storage has been damaged sling. When lifting, sling is the pollution of acid and alkali, diluted the or use corresponding prior recommended to neutralize the storage media. According to the material and relevant lifting sling the chemical properties of the reference, from the recommended supplier, has used no problem products may be appropriate. Sling in use wet, or because the cause of clean, will be hang up, natural dry.
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