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Mainly because of the hoist does not reach to the rated operating voltage, there are generally 3 kinds of situations: 1.Find out whether the power supply system supply power to wire rope electric hoist , generally used test pencil, such as no power supply; 2.The main control circuit of the wire rope electric hoist is damaged, the line is broken or the contact is bad, can also let the hoist motor not be electrified. This situation, need to overhaul the main control circuit. When maintenance, in order to prevent missing phase to burn the motor casused by the main control circuit supply power to three-phase motor, or hoist motor suddenly operate and cause danger, must disconnect electrical wire rope hoist motor from the power supply, only supply power to the main control circuit. Then start and stop switch, check and analyze the working condition of the electric appliance and the line, repair or replace the failed electric appliance or line. When the main control circuit is confirmed

The electric wire rope hoist is composed of a motor, a transmission mechanism, a drum and a steel wire rope. According to different positions of drum and motor, it can be divided into four different types. 1. Wire rope hoists motor axis perpendicular to the drum axis by the worm gear transmission device, large width, heavy structure, low mechanical efficiency, difficult to processing. Almost no manufacturers to produce this type of wire rope hoist . 2.The monorail electric wire rope hoist which is parallel to the axis of the electric motor has the advantages of small height and length. Its disadvantages are large size, grouping, manufacturing and assembly. The track turning radius is large. 3.The motor installed in the drum inside the wire rope hoist, which has the advantages of small size, compact structure. The main disadvantages is the poor motor cooling conditions, poor grouping, and the inspection, installation, maintenance of motor inconvenience, power supply device is

Electric cable hoist is a small lifting equipment, has the advantages of compact structure, light weight, small volume, high universality of the components, convenient operation and so on, it can separate installation in I-steel, can also supporting the installation used in electric or manual single beam, dual beam cantilever gantry crane. General use of the cone type motor, automatic lock brake stop. Mainly used for a variety of infrastructure engineering machinery and equipment to promotion, transfer, loading and unloading heavy objects, tank flip chip bonding, such as all kinds of large and medium-sized concrete, steel structure and mechanical equipment installation and removal for in construction and installation companies, factories and mines of civil engineering and bridge construction, electric power, shipbuilding, automobile manufacturing, construction, highway, bridge, metallurgy, mines, slope tunnel, well control protection.

1.The first installation or reassembly of wire rope blocks , should be carried out no-load operation, but to ensure that the components must be installed, do not power. 2.Should be carried out in the normal use of the rated load of 125%, up from the ground about 100 mm, static load test for 10 minutes, and check whether it is normal. 3.Dynamic load test is based on the rated load weight, for repeated movements and move around the test, after the test to check the mechanical transmission part, electrical part and the connection part is normal and reliable or not. 4.Do not allow to use under the absolute prohibition environment, and exceed the rated load and rated closing times (120) per hour. 5.When installation, debugging and maintenance, must be strictly check the limit device is flexible and reliable or not, when the hook up to limit high position, distance between hook shell and the drum shell must greater than 50mm (10t and 16t, while 20t must greater than 120 mm). When th

Electric rope hoist is a small lifting equipment, has the advantages of compact structure, light weight, small volume, strong versatility, convenient operation and so on. It can be installed separately in I-steel, can also be fitted for use in electric or manual single girder, double girder, cantilever and gantry crane. Wire rope is the key component of the electric wire hoist lifting mechanism, it has a direct impact on safety of electric rope hoist, often scrapped because of abrasion and fracture, so should always in good lubrication condition, and regularly check the end is fixed or not. When the wire rope should be scrapped when reaches the circumstances specified in the GB5972, and timely replace the rope. Electric wire hoist maintenance 1.In daily inspection, monthly inspection and yearly inspection, which does not meet the requirements should be repaired, adjusted or replaced parts immediately. 2.Electric wire hoist maintenance requirements: A) Replacement parts shoul

1.The mechanical parts of the equipment should be checked before lifting, wire rope and hook and limiter shall be in good condition, the electrical part should be no leakage, the grounding device should be good. When lifting heavy weights, after lifting off the ground 10cm should stop to check the brake condition, can be carried out after the confirmation. The open-air homework should set up the canopy. 2.Do not allow overload lifting, hands are not allowed to hold between the rope and the object when lifting, prevent the collision when hanging up. 3.The lifting objects should be tied up, and in the center of gravity. When lifting the heavy, the heavy object should not be too high, the heavy load cross over the head is not allowed, can not be hanging in the air when not working. 4.If electric chain hois emit peculiar smellt in the lifting process or high temperature should stop immediately and find out the reasons. 5. 2 ton electric wire rope hoist wire rope on the drum to be

Electric stage hoist is a kind of common use tools, many customers operate improperly in the process of using causing many problems, the solution is as follows: 1.Power line phase error, resulting in phase protection to start, so can not be operated. Solution: change the power line two phase to each other. 2.The power of the fuse or no fuse switch off. Solution: check the current demand is met or not, the replacement for the fuse or restart no fuse switch. 3.Fuse of control circuit burn out. Solution: check and replace the fuse. 4.The power line or the cable of the control circuit breakage or not good. Solution: to repair or replace the broken and poor contact cables. 5.Power supply voltage is too low. Solution: measure the voltage value is 10% lower than the standard supply voltage or not. 6.The motor makes a sound, but it doesn’t rotate. Solution: check whether the motor phase is correct or not. Repair and do a good job in insulation. 7.Emergency switch is

On the basis of understanding the operation instructions, please pay attention to the following matters: 1.Please operateafter memorizing the content on the instructions and nameplate. 2.Please adjust the upper and lower limit stop block before hoisting objects. 3.Please confirm whether the brake condition is reliable or not before use. 4.If the following abnormal circumstances is found in the wire rope, do not operate absolutely. (1)Bending, deformation, corrosion, etc.. (2)The chain breaking degree is higher than the specified requirement, and the wear is large. 5.Before installation, please check the insulation resistance of the motor and control box with 500V megaohmmeter, and the cold resistance should be more than 5M ohm at room temperature. 6.Please do not lift objects which exceed the rated load capacity, rated load have been marked on the nameplate on the lifting hook. 7.No riding on lifting objects, never lift people. 8.People shall not be under the lifti

Low headroom electric hoist with exquisite design structure, excellent performance, novel and beautiful appearance, in line with the latest international DIN, FEM standard, reached the technical level of similar foreign products. Suitable for machining, assembly, warehouse and other material handling sites, especially suitable for height limited workshop. 1.The optimum clearance height, can make the lifting height increased from 200 to 500mm compared with ordinary CD hoist. 2.Excellent transmission technology, lifting speed reducer uses high quality alloy steel, triple reduction, smooth operation, long service life, reliable performance, to avoid the many disadvantages of CD hoist intermediate shaft when long distance transmission. 3.Motor is a specially designed new self cooled cone type motor, motor shell cast by the aluminum alloy material for good heat dissipation performance, F class motor insulation, IP54 class protection, a level higher than the usual motors. 4.Electri

1. Electric chain hoist gear box oil. Please check the amount of oil is enough after operation start up to 500 hours, and check lubricating oil regularly after third months, refuel if lack. 2. Should set up a rain proof device when use outdoor. 3. Keep the parts of 30 ton chain hoist dry, please sail the electrical chain hoist from humid zone or high temperature zone or chemical district after operation, to maintain the performance. 4. Please lubricate the chain, high dust factory please using oil, and regularly remove in the chain, to ensure the smooth operation. 5. For a long time do not use electrical chain hoist, should do anti rust treatment and cleaning, and operation of 1-3 minutes to maintain its performance. 50 ton large-tonnage electrical chain hoist , the product is reference to the latest professional standards at china and abroad, through the pulley block ratio and motor transformation, it can lift the weight of 1 t – 50 t, lifting altitude start from 6m to

15 ton chain hoist is often used within a workshop to lifting tools, this kind of small volume, light weight, convenient installation, operation and lifting hoist are very stable, has begun to replace bulky type 15 ton hoist . Before buying the electric chain hoist, according to the following several points to identify the quality of electrical chain block. First of all, after turning on the power supply, control electric chain hoist to move around, observe if the direction key is correct, also pay attention to whether or not there is brake voice when stopped. And, check whether the chain is down or not after stopping, if there is, that means the sheet is too loose, or is not installed properly. If these no problem, click on the button to up and down, observe the running distance, the smaller the 15 ton hoist run, the better. In some factory or workshop, sometimes need to run relatively small distance. Such as installing or docking, need 15 ton hoist rise or fall slowly, to facilitat

Lifting chain of chain electric hoist is used in Φ7.1mm and Φ11.2mm 80 surface hardening lifting chain, to ensure their safety and durability. The strong hardening surface of lifting chain can prevent product damage and the softening of core materials, so that the lifting chain to maintain high performance for a long time. The chain of 10 ton electric hoist is made of low carbon alloy steel, so that the chain is more toughness, but also more robust wear-resistant, ensure the safety when work. The chain can also be customized according to customer requirements, more convenient for using. Imported electric hoist chains are equipped with chain bag, so that the 10 ton electric hoist looks clean and tidy, the chain bag is also equipped with anti rust oil so that the chain is not easy to rust, thus prolonging the life of the chain electric hoist.

The 5 ton electric chain hoist is a kind of small lifting equipment, composed of an electric motor, a transmission mechanism and a chain wheel. The electric chain hoist 1 ton in accordance with international standards of production, beautiful appearance, durable, internal gear which is all after high temperature quenching, increased wear resistance and toughness of the gear .Using the most advanced technology, fine workmanship and gear fit tightly. The application range of 5 ton electric hoist: Lifting weight is generally 0.1 ~ 100 tons, lifting height of 3 ~ 120 meters. The characteristics of 1 ton electric chain hoist for sale: advanced structure and performance, small volume, light weight, reliable performance, convenient operation and wide application range, is very convenient for the heavy lifting, loading and unloading, equipment maintenance, hanging goods. It can also be installed on the hanging I-steel, curve track, jib crane rail and hoisting heavy weights on fixed poi