Demountable Bodies for Refuse
Page 35
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THE bodies of a fleet of new refuse
collecting vehicles being supplied tc the City of Rangtion Municipality are demountable, and . this enables five prime movers to be employed in conjunction with 15 bodies and 30 movable stands. It is Understood that the bodies will be placed at street corners, market places and so on, to await collection by. a prime mover. It is expected that the system will enable refuse-disposal costs to be materially reduced.
The chassis are Seddon Mk. 7S8 short-wheelbase tipper modelswith a capacity of 3 tons and the bodies. tipping gear and stands have been built by The Eagle Engineering Co., Ltd:, Warwick. The bodies are of the standard 7-cu.-yd. type and the concern's single-ram front-of-body tipping gear is fitted.
An important feature of the vehicles is the tipping sub frame, on which the body is mounted. This initially pivots about pins supported in forked brackets behind the rear axle, but with further movement of the lifting gear, pins in slotted brackets at the ends of the frame act as pivotal points.
The first set of pivots is used when the body is being removed or replaced, and the second set when the body is fully tipped to discharge the load. The slatted brackets allow the rear of the body to drop a few inches when raising the front.
A cross-shaft behind the body is located at a height slightly' above two forked posts of the movable stand, so that, after the front of the body has been raised a short distance, the ends of the shaft contact the posts and are supported by them. Lifting is continued until the front of the body has been raised about 18 in., when pivoted legs are swung into position ready to act as forward body supports. The tipping frame is then lowered and the prime mover is driven away, thus leaving the body on the stand.
The posts. of the rear stand are built integral with wheel skotches and sole plates which provide exact location of the vehicle with regard to the posts. The body is located on the tipping frame at the front by forked brackets which register with a transverse, angle member and is locked automatically when the legs are raised by means of hooks which engage pins outrigged from the frame.
The war of the body is attached to the frame by chains which are hooked to rings before the frame is lowered and are taut when the body is. in the running position.
The longitudinal sub-frame members are splayed at the rear. to facilitate entry of the body members when the body is replaced. The body longitudinal fit inside the tipping-frame members, to provide transverse stability.
Although the body has been strengthened by extra cross-bearers to prevent sagging between the rear stand and front legs, it is lighter than the standard body. This partly offsets the extra . weight of the tipping frame.
Another Eagle tipping body of interest is one recently built for J. H. Fairciough, Ltd., Newport, Mori, for the transport of offal, skins and so on. It is mounted oil a Commer underfloorengined 7-tonner powered by the TS3 two-stroke unit. This body has a capacity of 12 cu. yd. and is 15 ft. 6 in. long and 7 ft. wide. The height is 1 ft. 6 in. and a 2-ft. crown is fitted.
. A single front-of-body ram of 7-ton capacity is employed in conjunction with a hinged stabilizer giving fullwidth support to the body under-frame.