More Uses for Handling Appliances
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Nearly Every Industry Catered for by Exhibitors at Mechanical Handling Exhibition, Olympia
VISITORS to the Mechanical Handling Exhibition at Olympia, London, which opens next Vednesday and closes on June 19, will :e that the development of handling ppliances has been aimed at producing iuipment for an increasing variety of )plications. Outstanding exhibits elude the world's largest mobile ane, a 25-cwt. crane that can turn on ; own axis, and a battery-electric ree-wheeled tractor with drive on ch wheel.
A lorry loader with a height of disarge between 4 ft. and 5 ft. '6 in. is be featured by the Angel Truck Co., J. This concern have also produced electric stacker with telescopic rights so that it may pass through ndard doorways.
3elieved to be the first machine of kind in the world, the Dualoader is be shown by W. E. Bray and Co., . It can work either as a normal -it-end loader or an overloader in ces too restricted for an ordinary Ale shovel. The unit is powered by Ford oil engine which develops 3.h.p. at 1,800 r.p.m. Another new y product is a crawler-loader shovel. rush Coachwork, Ltd., will show a
three-wheeled tractor, with drive to each wheel, for pulling loads up to 8 tons. The front wheel is driven by a motor and the reduction gear is totally enclosed. The rear wheels are driven by a second motor through a Layrub propeller shaft.
Two new 3-cu.-yd. dumpers are to be displayed by the Chaseside Engineering Co., Ltd., Hertford. One type, the D3, is suitable for use on public highways and the other, the D4, is primarily intended for site work. With full loads, gradients of 1 in ,4 can be negotiated. Top speed is 20 m.p.h. Alternative power units are the Perkins
P6 and Ford oil or petrol engines. The company will also display the Demon light excavator, a general-purpose machine with a 1-cu.-yd. scoop. Removal of four teeth converts the Demon into a shovel.
Designed for work on constructional sites, the KL 75 crane is to be exhibited by George Cohen, Sons and Co., Ltd. This new unit can lift a maximum load of 71 tons. The chassis is mounted on pneumatic tyres with restrictor rings. Outrigger jacks afford complete stability when maximum loads have to bc handled. The standard jib is made
in four sections which can be assembled to provide working lengths of 25 ft., 45 ft. or 65 ft. A 9-ft. 6-in, extension may be used. Because of the generous height and outreach afforded by this medium-weight appliance, it is not necessary to employ a machine heavier than needed in order to obtain these qualities.
Powered by the makers' own threecylindered oil unit, the FDC 4,000-lb. fork-lift truck will be displayed by Coventry Climax Engines, Ltd. It is 3 ft. 8 in. wide and can turn in a circle of 6-ft. 1-in. radius. Two lift heights, 9 ft, and 12 ft., are available. Cushion tyres are fitted to all wheels, the rear pair being close-coupled. A 6,000-lb. truck with two-way radio-control equipment will also be seen.
Two new models will be shown by Diamond Motors (Wolverhampton), Ltd. One is the Graiseley XL1 pedestrian-controlled stillage truck. The ground height of the elevating platform in its lowered position is only 6V in. The load capacity is 1 ton. The truck can be built to suit any size of stillage up to a maximum length of 6 ft. and a minimum width of I ft. 7 in. between the legs.
The other new model is a petrol truck, to which may be fitted any type of body. The power unit is a Villiers 120 c.c. petrol engine and the load capacity is I ton. The company are developing a pedestrian-controlled pallet truck and a fork-lift truck.
Designed to meet the nevi for a heavy-duty fork-lift truck to operate in premises where space is restricted, the Stacatruc 60 DH model has been introduced by I.T.D., Ltd. Its maximum capacity is 7,000 lb. Powered by a Perkins P4 engine, the vehicle has a special silencer to reduce fire risk. In the design attention has been paid to access for maintenance. Available with lift heights of 6 ft., 9 ft., 12 ft.
and 14 ft., the 60 DH can tow two 3-ton trailers.
I.T.D. have also introduced the model 40 DH, an appliance with a capacity of 5,000 lb. anti incorporating a Perkins P3 engine. It is to be shown with a Bickerstaff attachment for handling concrete blocks. The company have modified their 45 EH batteryelectric for work of an exceptionally arduous nature. It can lift 4,500 lb.
A recent product of Lansing Bagnall, Ltd., is the SFR 225 straddle fork-reach truck. When stacking, the whole mast assembly can be moved forward by a hydraulic ram. Powered by an electric motor, the truck can lift 2,500 lb.
c14 The company will also show their first oil-engined fork truck. It has a capacity of 1 ton. Two new items for use on this and other appliances are a clamp attachment and a rotating head. The arms of the clamp attachment can be opened to take packages up to 5 ft. wide and weighing up to 1 ton. Lansing Bagnall have further introduced a new range of TD oil-engined tractors and an airport tractor.
R. A. Lister and Co., Ltd., have produced a fork-lift version of their popular Auto-Truck. It can raise 1,000 lb. from 21 in. to 9 ft. in 20 sec. The lifting apparatus is at the rear. The Lister power loader is now made in three sizes with maiimum loading heights of 6 ft., 12 ft. and 18 ft. The example to be displayed, the PL 18, has an elevating track 24 ft. long. It is mounted on pneumatic tyres and is driven by an electric motor.
A big order has been placed by British Overseas Airways Corporation for the model 43P tractor, a new product of the Mercury Truck and Tractor Co., Ltd. It is powered by a four-cylindered oil engine. The company will also display the latesttype 10F tractor, which has a towing capacity of 10 tons. It is 6 ft. 6 in.
, long and 3 ft. 9 in. wide. The R-type crane to be displayed by R. H. Neal and Co., Ltd., is the largest mobile crane that the company make. Of 10-ton capacity, it operates without jacks or outriggers and there is a range of alternative jibs.
Based on pneumatic tyre's, the Rapier 10 mobile crane makes its debut. Designed by Ransomes and Rapier, Ltd., for dock work, the appliance has a cargo-handling jib especially for discharging from hold to quay. The Rapier 10 has a full-circle slewing superstructure and can handle 10-ton loads at 10-ft. radius. With a jib extension, 21 tons can be lifted at 26-ft. radius.
The new H25 electric crane may be inspected on the stand of Ransomes, Sims and Jefferies, Ltd. Exceptional manceuvrability is conferred by the interesting layout of the wheels. An axle disposed across the centre of the chassis has four widely spaced wheels. The outer wheels are driven. At the front of the vehicle and at the rear are pairs of wheels arranged to swivel through 180 degrees. The vehicle can thus turn on its own axis and no turntable is needed.
Variants of this model are available with ratings of 71 cwt., 15 cwt., 20 cwt., 25 cwt., 30 cwt. and 40 cwt., each being made in two types, one for passing under doorways 7 ft. 6 in. high and the other under doorways 10 ft. high, She!yoke and Drewry, Ltd., have developed a long-wheelbase version of their Freightlifter fork-lift truck, It is imarily intended for use in overseas • ritories where exceptional tractive ort and stability are required on )se ground. The capacity of 18,000 lb. rated at 33-in, load centres, compared 1 24 in. for the standard type.
3implicity of construction is the ture of the mobile cranes displayed Stanhay (Ashford), Ltd. They work the principle of the conversion of 'pressed air into mechanical energy.
irs, winches, cables and other aratus associated with most cranes eliminated. Units are made in lefties up to 3 tons. The use of 'pressed air for lifting enables ile loads to be handled without ue risk of breakage because of the doning effect. Steels Engineering Products, Ltd., will display several new models, the most notable being the Coles Colossus, claimed to be the world's largest mobile crane. With a jib 30 ft. long, it will lift 92,000 lb. at 12-ft. radius. A special chassis with eight wheels has been designed to carry the superstructure, which slews in a full circle and may carry a 90-ft. lattice jib. An additional fly jib provides a maximum height of lift of over 100 ft. The engine is a Rover Meteorite. Power for lifting is provided by a Perkins 1`6 engine.
Other new Coles cranes are the Aeneas, the Pyrrhus and the Argus. The Aeneas is a 10-tonner, with a 30-ft. cantilever jib. It differs from previous models in that it has two hoist barrels and the air compressor is now placed on the superstructure. The Pyrrhus, a 3-ton type, has a 20-ft. jib with fullcircle slewing motion, whilst the Argus is designed to lift 5 tons at 10-ft. radius.
The Coles Electric Eel tractor, with a maximum drawbar pull of 1,200 lb., has a turning circle 11 ft. 8 in. in diameter. This model is also made in a mobile-crane version with a capacity of 25 cwt.
A platform loader designed to lift from 3 ft. 4 in. to 11 ft. 6 in. is to be shown by Telehoist, Ltd. Its capacity is 25 cwt. The basis of the appliance is a Mercury 20P2 tractor. The platform, which measures 9 ft. 6 in. by 5 ft. 6 in., is supported on a parallelogram linkage to which lifting force is applied by twin triple-extension rams.
A further Telehoist development is a trolley-mounted sack loader with 3-cwt. capacity. The wheels retract when in use. Arms of different lengths are available. Drive is either by an electric motor or a petrol engine.
Wingrove and Rogers. Ltd., have introduced a 10-cwt. fork-lift truck known as the H114 RD. Another new B.E.V. model is the J.E. power lift, a pedestrian-controlled elevating-plaform truck for 2-3-ton loads. It is an adaptation of the Leader truck. The company's cabledrum truck can transport drums of cable up to 5 tons.