Service life determination of wire hoist ropes using. Monorail trolley available in short or normal headroom. Dongqi offers types of wire rope hoists, such as, single double speed wire rope host, explosion proof wire rope hoist, metallurgy wire rope hoist, etc. The drive units use chinas advanced pointline meshing gear structure. Crosssections of common wire rope constructions with natural fiber core. Electric wire rope hoist model mh and mhm standard headroom.
Never allow wire rope slings, or any wire rope, to lie on the ground for long. Design of the hoist wire rope a hoisting device use chain, fiber or wire rope as its lifting medium wire rope consists of several strands laid or twisted together like a helix. A sheave that rotates as the load block is raised or lowered. Nd wire rope electric hoist is easy and convenient to handle with the compact and reasonable whole structure. The basic design is ideal for hoist retrofits on existing crane applications. Guidelines for handling, installation and maintenance of wire. Operators, crane manufacturers, and system manufacturers benefit from the. A truly unique wire rope guide prevents improper rope alignment on the grooved drum. Their modular design and versatility provide a wide range of capacities, lifts, hoist speeds, and control options, making it possible to select the most efficient hoist for the job without wasted capacity or overkill. Modular in design, individually adaptable, for highest demands. Higher load capacity up to 5 tons, greater lifting height, and faster hoisting speed standard. The wire, for rope, is made from several materials such as steel, iron, andor. In the example above, each individual wire is arranged around a central wire to form a 7wire strand. It connect with travelling mechanism above through balance beam, with reducer and motor both sides, and with wire rope and hook below.
Usha martin rope application spread all over the world is a testimony of its high quality products and services. Made of cast iron or seamless steel tube, light weight, transmit the dynamic force by splines. Wire rope usha martin is known for manufacturing one of the widest range of wire rope products in the world. Their modular design and versatility provide a wide range of capacities, lifts, hoisting speeds, and control options, making it possible to select the most efficient hoist for the job without wasted capacity or overkill. Standard 6 x 19 and 6 x 36 classification ropes 6 x 19 vs. As7 wire rope hoist combines components from the sh and as7 wire rope hoists to offer a midrange application hoist the twin drum design as7 zw serves the same types of applications as the as7 wire rope hoist, but offers. Additional equipment or devices may be required for the crane. For reasons of clarity, all detailed information cannot be provided and every conceivable operational case cannot be covered in these guidelines. Shawbox 800 series wire rope hoists are ideally suited for virtually any lifting application of up to five tons. Computer aided analysis and design of hoisting mehanism of an. Wire ropes are used in a variety of different applications. Shawbox 800 series wire rope hoists are ideally suited for virtually any lifting application.
Shawbox 2ton wire rope hoist, 40 lift, y80m02040s281. Preface, introduction, history, power, some types of cranes and lifting equipment, capacities, number of cycles, cycletime, container quay cranes, grab unloaders, the influence of wind and storms, hatchels container vessels, wire ropes, wire rope reeving systems, influencing the lifetime of wire ropes, drum diameters and wire rope sheave diameters, the choice of wire ropes, fleet angles. Used for both lifting and stabilizing, bethlehem wire rope products are used in a wide variety of applications ranging from crane and elevator hoist ropes to bridge suspension and anchoring offshore platforms. This is the core used in the wire rope slings provided on site. As7 electric hoists, hand chain hoists, wire rope hoists. In this full length handbook, learn the basics of wire rope including how to choose and measure wire rope. Aug 29, 2017 exampleexample select a wire rope for a vertical mine hoist to lift a load of 55 knselect a wire rope for a vertical mine hoist to lift a load of 55 kn from a depthfrom a depth 300 metres. Order an abus gm electric wire rope hoist and you can be sure that you have opted for a topquality material handling unit. The following information is provided as a basic guide. A rope speed of 500 metres min is to be attained300 metres. Associated products 2speed hoisting motor ratio 16 with bimetal sensors.
Additional equipment is also available for special applications. As you can see, classification is only a simple way of describing a rope. Carl stahl craftsman hoists are designed in various models to suit every customers needs. The ropes manufactured by usha martin are today serving some of the most critical applications across diversified industrial. Abrasion resistance increases with fewer,larger outside wiresper strand. Raw materials, including ms sheets, breaks, i beam, motors and many more are used in manufacturing electric wire rope hoist. Su monorail hoists for curved track applications 82 and 42 reeving for true vertical lift tvl hoist overload device trolley travel limit switches 4, 6, or 8pushbutton pendant assembly tapered trolley wheels for s beams. Dmk electric chain hoists for capacities up to 4,000 kg, jib cranes with manual or electric rotation, drh electric wire. If you would like to find a wire rope hoist or create a custom wire rope hoist for any lifting application please reach out to one of our experienced hoist specialists at 8664647871. The rh electric wire rope hoists and trolleys have been developed for use in heavyduty service applications and are extremely durable, highly reliable and require very low maintenance.
The sh ex wire rope hoist the sh ex wire rope hoist is a leader in lifting and crane technology all over the world. In the example above, each individual wire is arranged around a central wire to form a 7 wire strand. Electric wire rope hoist is available in various models and each model has certain uniqueness. The corroded ropes failed as individual strands broke, rather than failing by unwinding. Exampleexample select a wire rope for a vertical mine hoist to lift a load of 55 knselect a wire rope for a vertical mine hoist to lift a load of 55 kn from a depthfrom a depth 300 metres. Their modular design and versatility provide a wide range of capacities, lifts, hoisting speeds, and control options, making it possible to select the most efficient hoist for. The design and planning stages are where the greatest potential for profitability for our customers is found. The modular body construction is suitable for all mounting configurations with the hoist oriented parallel to the.
Even the most corroded rope achieved a safety factor. The proper diameter of sheave ensures the operation and life span of wire. This manual identifies the basic hazards in rigging and hoisting, explains the. Each strand is likewise made of metal wires laid together like a helix. Our customers can choose from a wide range of models depending on application and requirements starting with the standard wire rope hoist in the lower swl range up to special crab unit designs incorporating additional features at the higher swl range. Construction the main components of wire rope are shown below. The sealed hoist electrical enclosure means airborne grit and contamination will not penetrate the hoist to cause premature failure of electrical components. Precision engineered, these hoists are built for reliable operation, high efficiency, and long service life. With lug mount, push trolley, geared trolley, or motorized trolley options. Manual release of hoist brake available to supplement.
Hook approach, c dimensions and the f approach distance of the hoist are the smallest available on the market. Then, electric wire rope hoist will be helpful in doing such tasks. As the rope size increases, for instance, a large number of wires can be used to achieve required fatigue resistance, and still those wires will be large enough to offer adequate resistance to abrasion. However, the actual wire rope arrangement on the drum and the elastic property of wire rope also play decisive roles in determining the multilayer winding coefficient value. Coil casing made from superior cast iron, high intensity 3.
Sh wire rope hoist the allrounder for safe working loads to 25,000 kg. Additionally, you will understand the fundamental mechanics behind our most popular rope constructions and classifications. Sh ex electric hoists, hand chain hoists, wire rope hoists. A singleaxis or inline design with the motor, gear box and rope drum sharing the same axis results in a lowprofile, low headroom hoist. It allows the production of different design of wire rope for specific purposes or with specific characteristics 1. If there is not a crosshead data plate and the building is over 50 years old, the ropes used are usually 6 x 25 filler wire with right regular lay. The as7 wire rope hoist offers innovative design with advanced lifting and crane technology. Konecranes cxt wire rope hoists cxt electric wire rope hoists represent a totally new approach within the lifting equipment industry. As a hoist manufacturer and supplier, dongqi hoist and crane offers types of electric hoists for customers, mainly electric chain hoist and rope drum hoist, etc. The swl range of abus electric wire rope hoists extends from 1 t to 120 t. A full description of the construction is the only way to correctly specify a wire rope. The sh ex wire rope hoist is a leader in lifting and crane technology all. To pull a load with a hoist, chain or cable other than vertically. An assembly of rails, beams, girders, brackets, and framework on which a crane or trolley travels.
Special light weight design 1 ton and under for easy installation. To select the best wire rope for each application, one must know the required performance characteristics for the job and enough about wire rope design to select the optimum combination of wire rope properties. We design and manufacture electric wire rope hoist which can run in. Equipment described herein may be used in the design and manufacture of cranes or monorails. Operators, crane manufacturers, and system manufacturers benefit from the hoists modular design that allows. Dongqi rope drum hoists offering includes single double speed hoist, low headroom hoist, explosion proof hoist, safety hoist, etc. A 6strand hoist rope is usually 6 x 25 filler wire construction with right regular lay. Mependent wire rope iwrc this is a separate wire rope. The following information is presented as a basic guide. Outstanding design features include the parallel configuration of rope drum and hoist motor, modular design and the functional arrangement of all components.
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