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"1 Ton Chain Hoists"

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"1 Ton Chain Hoists"

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Lifting machinery 1 ton chain hoists safety management system
2014-01-20
                                       To ensure the safe operation of the hoisting machinery will have a strong electric winch management rules and regulations, make the operators rules-based, managers tend to. Perfect and implement the organization...                                        To ensure the safe operation of the hoisting machinery will have a strong electric winch management rules and regulations, make the operators rules-based, managers tend to. Perfect and implement the organization 1 ton chain hoists and management agencies, special equipment configuration of strong professional management team, and maintain a relatively stable to meet the management requirement, the content of the management system should be as follows: (1) the accident emergency rescue preplan of hoisting machinery. (2) the functions of management and the driver's job responsibility. (3) the safety technical regulations. (4) maintenance overhaul, the transformation, the system of scrap. (5) the daily inspection and regular inspection maintenance system. (6) the management, operation and maintenance personnel training appraisal super-low electric chain hoist. (7) operator handing-over system. (8) lifting machinery safety technology file management system.                                     View Details
What is the difference 1 ton chain hoists between with the crane motor with general
2014-01-20
                                       What is the difference between with the crane motor with general With the crane motor need high mechanical 1 ton chain hoists strength and overload SSDHL Electric Chain Hoist, to adapt to the mechanical vibrati...                                        What is the difference between with the crane motor with general With the crane motor need high mechanical 1 ton chain hoists strength and overload SSDHL Electric Chain Hoist, to adapt to the mechanical vibration or impact. In order to reduce the inertia during start-up and shutdown, more slender rotor. Crane mainly use induction motor, a squirrel cage and winding type two kinds, they are all composed of stator and rotor two basic parts. Wound rotor motor rotor part consists of a rotor core and the three-phase symmetric winding. The slot of rotor winding embedded in the rotor core and constitute a star connection. Each phase rotor winding with flat copper bar respectively three slip ring connected with a shaft, with links to additional resistance by slip ring again. After winding motor rotor winding access to steel beam clamps resistance, can improve the starting performance of motor and speed regulating, so as to adapt to frequent starting, overload and impact. So the wound rotor motor is widely used on the crane.                                     View Details
1 ton chain hoists rope maintenance maintenance
2014-01-20
                                      1 ton chain hoists wire rope maintenance maintenance Wire rope lever hoist is a kind of new type, efficient, safe, durable hoisting machinery products, in the structural design on the market is more secure, efficient...                                       1 ton chain hoists wire rope maintenance maintenance Wire rope lever hoist is a kind of new type, efficient, safe, durable hoisting machinery products, in the structural design on the market is more secure, efficient lever hoist is open courses and under the condition of no power supply is the most ideal choice, but in the use process should pay attention to maintenance and maintenance, so that the lever hoist using more long. 1, after each operation, the first thing to wipe the loose end of the wire rope on the adhesion of mud, dust, or oil, loosen the jaw, drawn wire rope, the rope order around the collection rack, and wipe the total length of wire rope, wire rope are stored in dry place, in case of rust. 2, deal with lever hoist for at least 4 times a year maintenance treatment, such as clean with diesel parts, and calcium base grease lubrication. 3, when the movement into slurry, cement or other dirt, available water wash, to clean diesel; After cleaning, dry the calcium base grease grease; Finally loosen the jaw, with a clean cotton yarn wipe the grease of the jaw and water is the same as the chain. 4, when the jaw abrasion, less than 80% of the rated load bearing capacity, should replace the jaw; When the wire rope diameter decreases 10%, lever hoist wire rope should be changed to live to grow.                                     View Details
1 ton chain hoists common faults and its handling
2014-01-20
                                       In the process of using electric hoist will inevitably encounter some special fault lead to abnormal operation, should 1 ton chain hoists be dealt with in a timely manner so that effective safety operation. 1, ...                                        In the process of using electric hoist will inevitably encounter some special fault lead to abnormal operation, should 1 ton chain hoists be dealt with in a timely manner so that effective safety operation. 1, the noise on the motor running, should immediately suspend manipulation, then check whether the motor parts damage phenomenon, single phase axis of motion and a variety of phenomena, such as will result in abnormal noise. Check products, want to listen to see more, can make use of, or according to the fault characteristics of noise, determine a sound position, looking for and the test of failure. 2, when the control electrical appliances, motor and reducer, etc on the failure, and is often accompanied by abnormal noise, in this case want to listen to see more, there is a difference between different parts of the fault caused by noise, according to the failure of their positions to take different measures, after understanding, distinguish fault which is a piece of cake. 3, if there is something wrong with the gear reducer is branch, should immediately stop and check whether the motor is abide by the rules, whether to add according to the instructions before use, and timely replacement of lubricating oil, or bearing wear and so on severe situation, want suit the remedy to the case, timely maintenance, reduce the occurrence of unexpected circumstances.                                     View Details
To use the winch hoist
2014-01-08
                                       By the crane wire is complicated, so that when the rope around pulley and wound into a roll, the wire bending stress and also the contact stress, the maximum stress of the outer wires, the fatigue damage winch h...                                        By the crane wire is complicated, so that when the rope around pulley and wound into a roll, the wire bending stress and also the contact stress, the maximum stress of the outer wires, the fatigue damage winch hoist starting from the outer wires. So what should pay attention to it using a crane? Oriental machinery telling you.        First, the possible use of larger diameter drum and pulley (D). If D ≥ 35d (d is the diameter of the wire), then you can extend the life of a lot of rope.        Secondly, the single reel winding the spiral groove to be cut, the radius r of the spiral groove and the pulley groove to be adapted to the diameter d of the rope, r is too large and the bottom rope will contact area is too small, r has a small The rope clamping possible. Thus r = 0.53 is appropriate. Material hardness drum and pulley rope to benefit from the life of an impact, by comparison, than cast iron favorable. Inserts in aluminum alloy or nylon pad bottom, the rope can reduce the contact force, to improve the rope life.        Third, should minimize the number of bending wire, that do not make too much rope through the pulley. Meanwhile, to avoid reverse bend because of the damaging effects of a reverse bend is bent twice in the same direction.        Fourth, improve the service life of wire rope, wire rope should try to use a line contact, the contact point should not be used rope.        Fifth, the strength of the wire rope lifting machinery selection should not be too high, generally should not exceed 1700N/mm2.        Sixth, the rope on the drum, it should order neatly arranged.        Seventh, the load is supported by a plurality of wire rope when there should be set so that the force of each rope balancing device.        Eighth, hoisting and luffing mechanism constructed may not be used in contact with plaited rope. Contact wire when using other methods must ensure joint strength breaking strength of not less than 90%.        Ninth, a large crane lifting height, should adopt does not rotate, five loose rope tendencies. When using other wire rope, wire rope and the device should prevent rotation or measures spreader.        Tenth, in the working position when the lowest point of the hook, the number of turns of wire rope is wound on the spool, removing a fixed number of turns of a rope must be less than 2 turns.                                     View Details
Maintenance of hand chain hoist
2014-01-08
                                       1, the regular use of grease, brake friction surface to keep clean, no oil; 2, often on the lifting chain hand chain hoist oil painting, stained with mud and other debris can not avoid affecting the normal tee...                                        1, the regular use of grease, brake friction surface to keep clean, no oil; 2, often on the lifting chain hand chain hoist oil painting, stained with mud and other debris can not avoid affecting the normal teeth together; 3, should be retained after use should be stored in a dry place to prevent rusting. 4, is strictly prohibited personnel do not understand the principle of chain hoists operate freely. 5, is prohibited in brake friction surface smear grease chain hoists to load test before use, to confirm everything is normal under the premise to use. 6, the use of chain hoists chain hoists want clean, painted rust grease, and stored in a dry location to prevent corrosion phenomenon. 7, install chain hoist gear installation drawings to strictly operate after installation to check the no-load test. Five chain hoist brake is part of the installation, you should pay attention to the alveolar ratchet pawl engaging claw portion, started after installation sprocket, would be the first bracelet wheel clockwise so that the ratchet, friction brake is pressed seat.                                     View Details