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目前显示的是 十一月, 2016的博文

The motor nameplate marked meaning

The motor shell are equipped with a nameplate, marked with motor type, specification and relevant technical data. The nameplate should not be lost, it is convenient for us to use and maintenance the crane duty motors . The following is the meaning of main content on the nameplate: 1.Model: the structure of the crane duty motor, the number of poles, and the rotor type, etc.. 2.Power: also called the capacity, indicating that the maximum allowable mechanical power output through the axis of the long-term work crane duty motor, it marks the operating capacity of the motor. Such as the rated power of 11 kilowatts, that is, when the load is less than or equal to 11 kwh, the motor can work properly. 3.Voltage: refers to the motor stator windings used in the power supply line voltage, also known as the rated voltage. 4.Current: refers to the motor at rated running, the the line current flow into the stator windings, also known as the rated current. 5.Rotating speed: the speed of the crane dut...

Common faults of crane motor specifications

Electric chain hoist can not be avoided failure in the use, the following we have to do a summary of the motor failure. Motor burned mostly because of lack of phase or the temperature is too high. In view of these two kinds of common reason, WOKAITE technical staff has carried on the summary for the general customers safe use. Electric chain hoist for a long time of continuous work, resulting in motor overc operation rate, and may not have good lubrication, causing the temperature is too high, so the motor will be burnt. Contactor and fuse failure, line contact error, also can cause the motor lack of phase. The following is a common cause of motor faults and solutions: 1.Power line phase error, resulting in the role of phase protection to start, so it can not be operated. Solution: the power line two phase on each other. 2.The power of the fuse or no fuse switch off. Solution: check whether the current demand, the replacement for the fuse or restart no fuse switch. 3.Fuse of contr...

The use and maintenance of manual lever hoist

Usage method 1.Select the appropriate size of the manual lever hoist to use, no overloading. 2.Do safety check and no-load test before using the manual lever chain hoist , according to the actual requirements of reasonable adjustment under the hook position. 3.Hook adjusting method: flipping a shifting block, the shifting block in the N position, anticlockwise pull out the hand wheel. At this time, the clutch is in open state, pull the chain can easily adjust the position of the hook, and after the end of the adjustment should be clockwise rotate the handwheel to ret. 4.After adjustment the weight hanging in the middle position under the hook, the handle can achieve weight lifting. Maintenance method 1.After use the manual lever hoist should be cleaned, and coated with rust proof grease, stored in a dry place. 2.The maintenance and repair should be carried out by the professional staff. 3.Gear installation according to the drawing operation. 4.When the groove type nut is installing...

Manual chain lever hoist introduction

Manual chain lever hoist is widely used in shipbuilding, electric power, transportation, construction, mining, telecommunications and other industries equipment installation, lifting items, mechanical stretch. Manual chain lever block has the advantages of safe and reliable, durable, good performance, easy maintenance; small volume, light weight, convenient to carry, small manualforce, high efficiency, improve the structure, beautiful appearance. manual hoist is used to enhance the weight of manpower, not arbitrarily extended operating manualle; operation should allow the rest of the manualle freely with the move, not blocking. Must be based on the load to choose the appropriate tonnage of the chain lever block. With the provisions of models, specifications of the steel wire rope to fix the chain lever hoist . The material of wire rope hoist is generally metal synthesis, so the maintenance must be done in a comprehensive, so that the normal use of the device will not be affecte...

Chain hoist introduction

Lever hoist 1.5 ton is also known as reverse chain, is a manual lifting tool for the heavy class work. The 6 ton lever hoist is a lifting tool which is driven by manpower through a handle to drive the chain to drive the movement of the fetching device. It has the advangtages of compact structure, easy to carry, easy to operate, suitable for remote areas and the field of lifting, drag and pull operations, but also to enhance and pull distance is not restricted, can be determined by the length of the chain. Chain lever block scope of application: it is widely used in shipyard hull assembly welding, electric power department of HV transmission line joint taut, forestry, transportation department of lifting the car, lashing materials, vehicle drag cited and factory Department, equipment installation, adjustment. Chain 1.5 ton lever hoist structure is advanced, safe and reliable, durable. The whole efficiency is high, the operation is simple and comfortable. Small size, light weig...

3 ton lever chain hoist operation notes

1.Overloading is strictly prohibited, no unauthorized extension of the use of the handle, no use other than human power operation. 2.In lifting lifting, any work or walk under the weight are forbidden, prevent the occurrence of accidents. 3.Must confirm the parts intact before use, transmission parts and lifting chain lubrication good, normal idling. 4.Should check the upper and lower hook is hanging before use. The load on the central hook hook cavity. Lifting chain without wrong twisting and bending links, to ensure the safety. 5.When used, if you find the hand pulling force should be stopped immediately, and check: A. Weight and other objects are implicated or not. B. 3 ton lever hoist parts for damage or not. C. Weight is beyond the rated load of hoist or not. 6.No illegal operation, no gourd placed in the rain or very wet places. 7.No gourd hook flipping in the middle of the chain. 8.Should do a good job in 3 ton lever chain hoist safety inspection before use, including the jaws...

Structure of manual hoist

When 1 ton manual chain hoist lifting the weight, clockwise drag manual and rotate hand chain wheel; while down, counterclockwise hands pulled the chain, brake block and brake separate, ratchet resting under the effect of the detent, five tooth long axis drive heavy chain wheel running in the opposite direction, so as to smooth dropped weights. 2 ton manual chain hoist generally use the unidirectional ratchet friction disc brake, can automatically brake under load, the pawl and the ratchet wheel are engaged under the action of the spring, ensure the brake work safely. It is safe and reliable, convenient maintenance, high mechanical efficiency, bracelet pull small, lighter weight for carrying and beautiful shape smaller sizes, durable, applicable to factories, mines, construction sites, piers, docks, warehouses and other used to install machinery, lifting goods, especially for the open and no power operation, show its superiority. The main parts of 3 ton manual chain hoist use the s...

Maintenance method of manual chain hoist block

1.After use the manual chain hoist block should be cleaned and coated with antirust grease, stored in a dry place to prevent the manual hoist damp rust and corrosion. 2.Maintenance and repair should be operated by professional staff, cleaning manual hoist chain pulley block parts with kerosene, add butter lubrication in gears and bearings. 3. Chain pully block after cleaning and maintenance, should be carried out in the no-load test, to confirm the normal operation, can be delivered to use only if the brake is reliable. 4.The friction surface of the brake must be kept clean. Brake parts should be checked regularly to prevent the brake failure and the occurrence of heavy load from falling. 5.The chain pully block lifting sprocket around bearing roller, the grease can be adhered to the bearing inner ring which is pressed on the neck of the lifting chain wheel shaft, then the bearing outer ring into the wall. 6.When in the installation of the brake part of the manual hoist chain pulley...

Operation method of 2 ton chain block

1.No overload use. 2.Non use of human power other than the operating 1 ton chain block . 3.To confirm parts intact before use, driving and hoisting chain of good lubrication, normal idling. 4.Check hook is hanging in prison before lifting, heavy chain should be vertical suspension, without twisting the wrong link, double chain hook frame shall not turn. 5.The operator should stand in the same plane with the hand chain wheel to pull hands chain, so that the chain wheel clockwise rotate, you can make the weight rise; pull the chain reversely, heavy weights can slowly decline. 6.In lifting weights, prohibited personnel to do any work or walk under the weight, so as to avoid the occurrence of accidents. 7.In the lifting process, regardless of weight up or down, the force should be uniform and gentle when pulling the chain, so as not to hand chain jumping or snap ring. 8.If the hand pull is larger than normal, the operator should stop using the hand pull. To prevent damage to the int...

0.5-50t chain fall Related SEO Article

1.Aluminum bronze or beryllium bronze as the blank, hand pull gourd shell using H62 copper alloy material. 1 ton chain fall can be used in flammable and explosive occasions, such as chemical industry, sea and other operations. 2.The rotary gear 10 ton chain fall s after high temperature heat treatment, so as to achieve a very high wear resistance. Manual chain hoist with small pulling force, light weight, easy to carry, beautiful appearance, small size, durable. 3. 20 ton chain fall work principle: by trolling dynamic bracelet, hand chain wheel begins to rotate, friction slices ratchet wheel and brake block begin to rotation, five tooth long axis of rotation gear, four teeth short shaft and spline hole gear. Thus, the lifting chain wheel on the spline hole gear drives the heavy chain to lift the heavy load smoothly. Manual chain hoist is mainly used in factories, mines, construction sites, piers, docks, warehouses and other places, for the installation of machinery, lifti...