GB2139177A - Loading a vehicle - Google Patents

Abstract

Loading a vehicle with harvested crops, comprising a pickup device 3 and, downstream of the pick-up device, a conveying device 2, the conveying device conveying harvested crops picked up from the ground into the interior of the vehicle through a conveying duct 9 giving onto the load space at a level approximately 1/4 to 1/2 of the loading height above the load floor, by means of prongs 5a, 6a, 7a projecting into the conveying duct from at least two vehicle-wide conveying drums 5, 6 or 7, which are so arranged with respect to their positions and prongs that they receive the crops conveyed by the preceding drums, the drums 5, 6, 7, having rigid prongs and being so arranged above one another on one side of the conveying duct that the prongs 5a, 6a, 7a of each succeeding drum mesh with the prongs of the preceding drum and strip the crops off the preceding drum, and on the base (8) of the conveying duct (9) there are provided guide ribs 10, 11 substantially filling the gaps (12) between the prong tip circles (A, B) and between the upper edge (8a) of the base and the downstream prong tip circle (C). <IMAGE>

Description

SPECIFICATION A loading vehicle The invention relates to a loading vehicle with a pickup device and, downstream of the latter, a conveying device, the conveying device conveying say harvested crops picked up from the ground into the interior of the vehicle through a conveying duct giving onto the loading space at a level approximately 1/4 to 1/2 of the loading height above the loading floor, by means of prongs projecting into the conveying duct from at least two vehicle-wide conveying drums, which are so arranged in respect of their positions and prongs that they receive the crops conveyed by the preceding drums, the drums, in accordance with parent patent 31 42 491, having rigid prongs and being so arranged above one another on one side of the conveying duct that the prongs of each succeeding drum mesh with the prongs ofthe preceding drum and strip the crops off the preceding drum.

With the subject of the parent patent the prongs of each conveying drum succeeding in the conveying strip the loaded material off the prongs of the preceding drum. On occasion, however, some of the material becomes detached and falls back into range ofthe preceding drum.

To prevent material from dropping back, in accordance with the parent patent, the backs of the blades are disposed approximately where the prong tip circles are closest to the base of the conveying duct. Retaining means are also provided. Even these measures, however, cannot entirely prevent material from dropping back.

The invention seeks to provide a remedy, whereby to eliminate the possibility of particles of material dropping back.

To this end, it is provided that on the base of the conveying duct opposite the entry side of the prongs there are provided guide ribs substantially filling the gaps between the prong tip circles.

As a result all of the material on the prongs may be taken over by the row of prongs meshing with them and hoisted along the conveying duct to the next drum or carried into the interior of the vehicle, and the guide ribs co-operate with the base to provide continuous retaining means.

The invention will now be described, by way of example with reference to the accompanying drawing which shows a schematic side view of part of loading vehicle.

The drawing illustrates a scraper conveyor 1, belonging to a loading vehicle and occupying the loading floor, and its conveying device 2, which conveys into the loading space 4 material picked up from the ground by a pickup drum 3.

The conveying device 2 comprises three conveying drums 5, 6 and 7 one above the other, having prongs 5a, 6a and 7a so arranged that their prong tip circles A, B and C partly overlap. In accordance with the invention, guide ribs 10, 11 are provided on base 8 of conveying duct 9 between the drums 5, 6 and at the exit from the drum 7. The rib 10 fills the gap 12 between the prong tip circles A and B, while the rib 11 enables the load to be pushed over into the interior of the vehicle.

When material is conveyed along the duct 9 as illustrated, the harvested material conveyed by the prongs 5a of the bottom drum 5 is stripped off them by the prongs 6a of the middle drum 6 and held together by the guide rib 10, until it is taken over by the prongs 7a of the drum 7 and emptied over the upper edge 8a of the base 8 onto the scraper conveyor 1. The material is also held together by the guide rib 11, and cannot slip back into the conveying duct 9.

1. A loading vehicle for harvested crops, comprising a pickup device and, downstream of the pick-up device, a conveying device, the conveying device conveying harvested crops picked up from the ground into the interior of the vehicle through a conveying duct giving onto the loading space at a level approximately 1/4 to 1/2 of the loading height above the loading floor, by means of prongs projecting into the conveying duct/from at least two vehicle-wide conveying drums, which are so arranged with respect to their positions and prongs that they receive the crops conveyed by the preceding drums, the drums having rigid prongs and being so arranged above one another on one side of the conveying duct that the prongs of each succeeding drum mesh with the prongs of the preceding drum and strip the crops off the preceding drum, and on the base of the conveying duct there are provided guide ribs substantiaily filling the gaps between the prong tip circles and/or between the upper edge of the base and the downstream prong tip circle.

2. A loading vehicle according to Claim 1, the guide ribs being provided opposite the entry side of the prongs.

3. A loading vehicle for harvested crops, substantially as hereinbefore described with reference to the accompanying drawing.

**WARNING** end of DESC field may overlap start of CLMS **.

Claims (3)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION A loading vehicle The invention relates to a loading vehicle with a pickup device and, downstream of the latter, a conveying device, the conveying device conveying say harvested crops picked up from the ground into the interior of the vehicle through a conveying duct giving onto the loading space at a level approximately 1/4 to 1/2 of the loading height above the loading floor, by means of prongs projecting into the conveying duct from at least two vehicle-wide conveying drums, which are so arranged in respect of their positions and prongs that they receive the crops conveyed by the preceding drums, the drums, in accordance with parent patent 31 42 491, having rigid prongs and being so arranged above one another on one side of the conveying duct that the prongs of each succeeding drum mesh with the prongs ofthe preceding drum and strip the crops off the preceding drum. With the subject of the parent patent the prongs of each conveying drum succeeding in the conveying strip the loaded material off the prongs of the preceding drum. On occasion, however, some of the material becomes detached and falls back into range ofthe preceding drum. To prevent material from dropping back, in accordance with the parent patent, the backs of the blades are disposed approximately where the prong tip circles are closest to the base of the conveying duct. Retaining means are also provided. Even these measures, however, cannot entirely prevent material from dropping back. The invention seeks to provide a remedy, whereby to eliminate the possibility of particles of material dropping back. To this end, it is provided that on the base of the conveying duct opposite the entry side of the prongs there are provided guide ribs substantially filling the gaps between the prong tip circles. As a result all of the material on the prongs may be taken over by the row of prongs meshing with them and hoisted along the conveying duct to the next drum or carried into the interior of the vehicle, and the guide ribs co-operate with the base to provide continuous retaining means. The invention will now be described, by way of example with reference to the accompanying drawing which shows a schematic side view of part of loading vehicle. The drawing illustrates a scraper conveyor 1, belonging to a loading vehicle and occupying the loading floor, and its conveying device 2, which conveys into the loading space 4 material picked up from the ground by a pickup drum 3. The conveying device 2 comprises three conveying drums 5, 6 and 7 one above the other, having prongs 5a, 6a and 7a so arranged that their prong tip circles A, B and C partly overlap. In accordance with the invention, guide ribs 10, 11 are provided on base 8 of conveying duct 9 between the drums 5, 6 and at the exit from the drum 7. The rib 10 fills the gap 12 between the prong tip circles A and B, while the rib 11 enables the load to be pushed over into the interior of the vehicle. When material is conveyed along the duct 9 as illustrated, the harvested material conveyed by the prongs 5a of the bottom drum 5 is stripped off them by the prongs 6a of the middle drum 6 and held together by the guide rib 10, until it is taken over by the prongs 7a of the drum 7 and emptied over the upper edge 8a of the base 8 onto the scraper conveyor 1. The material is also held together by the guide rib 11, and cannot slip back into the conveying duct 9. CLAIMS

1. A loading vehicle for harvested crops, comprising a pickup device and, downstream of the pick-up device, a conveying device, the conveying device conveying harvested crops picked up from the ground into the interior of the vehicle through a conveying duct giving onto the loading space at a level approximately 1/4 to 1/2 of the loading height above the loading floor, by means of prongs projecting into the conveying duct/from at least two vehicle-wide conveying drums, which are so arranged with respect to their positions and prongs that they receive the crops conveyed by the preceding drums, the drums having rigid prongs and being so arranged above one another on one side of the conveying duct that the prongs of each succeeding drum mesh with the prongs of the preceding drum and strip the crops off the preceding drum, and on the base of the conveying duct there are provided guide ribs substantiaily filling the gaps between the prong tip circles and/or between the upper edge of the base and the downstream prong tip circle.

2. A loading vehicle according to Claim 1, the guide ribs being provided opposite the entry side of the prongs.

3. A loading vehicle for harvested crops, substantially as hereinbefore described with reference to the accompanying drawing.