www.ghcranes.com Hoist Catalogue HIGH CAPACITY HOISTS Ref: 003EN
A New Conception Future Technology GH has manufactured hoists and other lifting equipment for over 50 years. More than 0,000 installations are the proof of our experience and knowhow. Over the years we have installed lifting systems in over 0 different countries. Cuttingedge design technology, highly sophisticated production resources and efficient organisation have placed GH among Europe's top lifting equipment manufacturers. The new range of GH hoists have been designed with the following principles; reliability, security, durability, price and easy maintenance. The design is rectangular, modern, compact with perfect dimensional balance. The construction of the GH electric wire rope hoist, is based on the rules and regulations of lifting devices according to the FEDERATION EUROPEENNE DE LA MANUTENTION (FEM) and the standards I.E.C. The functional arrangement of the different elements are standardised on a modular construction, permitting the easy interchangability of groups combining different lifting speeds, heights and duty factors, according to the requirements and working conditions of each application. Many years of experience and constant updating of our mechanisms, has enabled us to introduce our new range of hoists and standard crane components, which are represented in this technical catalogue. Good documentation is the base which allows us to choose the best and profitable handling solutions.
Singlegirder overhead hoist Footmounted hoist Low head room hoist Standard doublegirder hoist End carriage hoist Dual hook hoist
GEARBOX Robust and compact, situated on the exterior, allowing ease of access. The helical teeth in all the gears are cut with great precision, in cemented steel, assuring silent running, great reliabilty and long life. The drive from the motor to the gearbox is direct, avoiding coupling devices which have a tendancy to fail. All of the gears are lubricated by an oil bath in the interior of a closed casing, machining of the gear locations is made by high precision machine tools. MOTOR The hoist has a cylindrical short circuit motor with an incorporated electromagnetic brake. The motor and brake have been designed for continuos service with high duty factors and cycles. The brakes are electromagnetic disc, with asbestos free flat faced linings. They offer great reliability and automatic braking in the event of power failure. The friction linings are long lasting and the brake is easy to regulate. Protection IP55 to DIN 0050. The standard version motor has the option of one or two speeds. The second speed has a relation of /. Other relations /, /3, / are available by customer request. Also upon customer request, we can supply inverter control or slipring motors. PUSH BUTTON PENDANT WHEELS ELECTRICAL CABINET Is manufactured from high impact polypropylene and provides double insulation. The various motions are controlled by pushbuttons which are colour coded as well as being indentified by internationally recognised symbols. Low dead weight and ergonomically styled housing reduces operator's fatigue. Dependant on the hoist model, the wheel material can be GG 0 for monorail hoists and GGG 0 (nodular cast iron with graphite structure) for birrail crabs. As shown, drive is via a direct splined axle. A metallic box located on the hoist frame, allowing easy access to the electrical control components.
TRAVELLING GEAREDMOTORS Are specially designed for crane application. Low torque high inertia drives, provide gradual acceleration and smooth deceleration without excessive swing. The drive to the wheel is via a direct splined shaft. OVERLOAD LIMIT DEVICE All of our hoists are fitted with an electromechanical load cell as standard (electronic control). This load cell consists mainly of parts: A electronic cell pin Load cell unit (to be installed in the electric panel). SECURITY LIMIT SWITCH All of our hoists are fitted with a security limit switch in lifting, preventing a possible failure of the main limit switch. LIMIT SWITCH 5 Is located in the drum axle. It limits hook movement in the up and down motions. DRUM & ROPE GUIDE The drum is designed and manufactured according to FEM standard. 3 Constructed from a seamless steel tube with grooves machined according to DIN 50. The groove is machined dependant on the wire rope exits i.e. or exits. The drum is fitted to the hoist frame using high quality, self lubricating, comercial bearings. The drive from the gearbox to the drum is via a direct splined shaft. The rope guide is manufactured from GGG 0 nodular cast iron with self lubricating graphite, which also gives particular resistance to wear. BOTTOM HOOK BLOCK The sheaves are designed according to FEM. The machining of the groove is made according to DIN 50. The cross pin and nut are machined according to DIN 5 & 53. The rope guide is formed by two pieces, which can easily be assembled without special tools. The hooks are selected according to DIN 5000 and machined to DIN 50 & 50, depending on whether they are single or double.
DUTY CLASS DETERMINATION FOR HOISTS, ACCORDING TO EUROPEAN MECHANICAL HANDLING FEDERATION HOIST PERFORMANCE RATING According to FEM classification, two fundamental criteria must be taken into account: the type of duty, and the time of operation (according to average daily operating time for the hoisting movement of the equipment). Mean Effective Loads Light 0, 0 t OPERATIONAL TIME 0 x lifting speed (m/min) Standard 0, t t t3 0, 33,3 30 3 Heavy 0 0,33 l tm = t 30 t 0 l x average hook travel (m) x cycles per hour x number of working hours per day t 0, t t 0 30 0 0, Severe l Criteria to obtain the average operating time in hours per day (tm). Average Operating Time tma Day In Hrs 0, l Service Classification t t 0 0 0 (k < 0.50) Load may vary from no load to occasional full rated loads. This service covers hoists used in repair shops, light fabricating industries, service and maintenance work, etc... < < <0,5 0,5 0,5 (0;50 < k < 0.3) Loads and utilization are randomly distributed with capacity loads are frequently handled. This service covers the hoists used in generat machine shops, fabricating and assembly industries, etc... (0.3 < k < 0.0) In this type of service, loads approaching 50 percent or the rated capacity wil be handled constantly. This service covers the hoists which may be used in heavy machine shops, foundries, fabricating piants steel warehouses, etc... (0.0 < k < ) In this type of service requires hoists capable of handling loads approaching a rated capacity throughout its life. Application may include bulk handling of material with magnets. buckets, or other heavy attachments. <0,5 0,50,5 M3 Hoists Class M Duty class to F.E.M. standards Corresponding to I.S.O. standards Average daily operating time in hours 0,5 Class of duty type of service Light Medium Heavy Very heavy GROUP Duty factor No of starts per hour REFERENCE EXPLANATION FOR STANDARD GH ELECTRIC WIRE ROPE HOISTS PRACTICAL EXAMPLE FOR SELECTION OF A HOIST GH E 03 (*) Capacity:,000 kgs Lifting height : metres Average hook travel: Estimated metres Lifting speed: 5 m/min Number of cycles per hour estimated: cycles Number of working hours per day: hours Duty factor. Standard 0 H HEIGHT H See H Characteristic Chart H3 H 0 NUMBER OF FALLS: TYPE OF HOIST R tm = x x x =.5 hours 0 x 5 03 / / F: Foot mounted R: Low headroom B: Birrail crab CAPACITY MODEL OF HOIST Consulting the classifaction chart we arrive to the conclusion that the group is m (). MAIN SPEED E F G See Characteristic Chart E GH WIRE ROPE HOIST
GHE03 GHD03 GHE03 GHE0 GHE0 GHF05 GHE05 GHF0 GHE0 GHF0 GHF0 GHF0 GHF 300 000 5000 300 000 000 5 55 3,3, 3,3,5, 55, GHG30 3000 M 0,, 5,5, 5,5 5,5,, 5,5 5,5,,,5,3,3 M M GHF3 GHF3 GHF0,3,5,5,5,5,5,5 3, 3, 3, 3, 3,,,,,,3,3,,3,3,3,3,,,,, H H m 3,,,,,,,,,,,, H3 HEIGHT,, 0,,5 Non standard voltages. Remote control. Manual release brake. FEM lifting group duty change. MECHANICAL OPTIONS M,,,,, 0,3 3,, 0, GHG30 5,3,5 3 0, M GHG30,,3 0,,3, 5,3,5,5,5 5,3,5 M3, 0, GHG500,5,3,5,3 H3 GHF30 3 0, GHG500,3 3 0,5 0,5,5,5,5,3,5 3 GHG00 m HEIGHT H H M V m/min V SPEED GHF5003 M GHF00 GHF00 GHF30 GHF30 GHF50 GR0UP FEM CABLE FA LLS / or / TYPE GHG00 GHF5 GHF5 M SPEED m/min V V M M M M GR0UP FEM CABLE FALLS / M GHE0 GHE0 GHF0 GHE GHE GHE GHE GHD GHD GHD0 GHD0 GHD0 TYPE 0000, 5, 5, 33,3 5, 5,,5 33,3,5 33,3,,3,3 5,,,5,,5,5 33,3,,3,,3,,5,,5,,3,,3, 5,5,,5,,,3,,,,, 5,5,,,,3,,3,,,,,,,,,,,,,, Frequency invertor control. Tropicalisation.,, HEIGHT m H H H3 GHG003 M M M M M M M M M M M M SPEED m/min V V 0000 3000 50000 ELECTRICAL OPTIONS GHG5 5000 0000 GHF0 GHF00 GHF00 GHG0 GHE GHE GHF GHE0 GHE0 0000 33, GHF GHF0 GHF0 GHG, GHD0 GHD0 GHD00 GHD00 GHD05 GHD05 GHD050 GHD050 GHD0 GHE0 GHD00 GHE00 GHE0 GHE0 GHE00 GHE00 GHD03 GHD030 GHD0 GHD00 GR0UP FEM CABLE FALLS / or / 000,5 3 55,5,5, 33, 3 55,5 3,3,,5, 33, 3, 55,,,5 3,3, 5,, 5, 55,,,5 TYPE GHF GHF GHE0 GHF0, 5,, 5,,,5 5, HEIGHT m H H H3 500 Thermic probes. Anticondensation heaters. M GHD0 GHE0 GHD0 500 GHD0 GHD0 000 SPEED m/min V V GHD0 00 GR0UP FEM CABLE FALLS / or / TYPE Capacity kgs.
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