Device for compacting road paving materials

An equipment, road technology, applied in the field of equipment for compacting road paving materials, which can solve problems such as increased maintenance needs

Active Publication Date: 2011-01-26
ABG ALLG BAUMASCHINEN GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Replacing a defective heating element leads to undesired downtime of a road paving and screeding machine
It also increases the need for maintenance

Method used

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  • Device for compacting road paving materials
  • Device for compacting road paving materials
  • Device for compacting road paving materials

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] conform to Figure 1a The road paving and leveling machine 1 includes a chassis 2, a drive unit 3, a material hopper 4 located at the front in the direction of travel, and a distribution auger 5 located at the rear. The transverse arm 6 is used to pull the screed beam 7 which level the surfacing material conveyed rearwardly from the material hopper 4 and distributed by the distribution auger 5 . The screed 7 is preferably a vibratory screed for smoothing and compacting. At least one compactor 8, in Figure 1b , is arranged next to the paving screed beam 7 at the front in the direction of travel F. according to Figure 1b , two tamping machines 8 are arranged next to each other. Thus, a double compactor leveling beam is formed. Furthermore, a compactor 8 can also be arranged downstream of the leveling beam 7 . The screed beam 7 can have a fixed working width, or can extend transversely as an extended screed beam for a larger working width. A compactor 8 arranged in...

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PUM

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Abstract

The invention relates to a device for compacting road paving materials, comprising a screed board which is fastened on a road finisher and extends at a right angle to the direction of travel of the road finisher and a tamper that is mounted in front and / or behind the screed board. Said tamper has a tamper strip (9) that can be driven to perform a striking upward and downward movement and the interior of which is equipped with an electrical heating unit in the form of a rod-shaped heating element (12) that can be clamped into a recess of the tamper strip. The device according to the invention is characterized in that the heating element is a tubular heating unit the coil (20) of which is folded at least once on a free end of the tubular heating unit, thereby forming two adjacent rods (33, 34) that are connected to a power supply unit in a common terminal block (14).

Description

technical field [0001] The invention relates to an apparatus for compacting road paving material according to the preamble of claim 1 . Background technique [0002] Such a device is known from DE 26 00 108 A1. According to this document, a screed beam is fastened to a road paving finisher, upstream of said screed beam a compactor for pre-compacting the paving material is arranged. During the beginning of the paving operation, it can happen that the warm asphalt mixture sticks to the cooler tamper sheets. However, the mixture adhering to the tamper sheets leaves grooves in the road surface which can no longer be eliminated by the subsequent leveling beams and thus remain on the surface of the road surface. In order to avoid such grooves at the start of the paving operation, it is known to need to heat the tamper sheets. The use of gas burners has been replaced by electric heaters which are inserted into the open or closed hollow profiles forming the tamper sheets. Then t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C19/40
CPCE01C19/407E01C2301/10E01C19/4833
Inventor 安东·马勒马克·尼格曼奥利弗·拉赫曼
Owner ABG ALLG BAUMASCHINEN GMBH
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