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Scraping device for a cutting roller mounted in a construction machine

A technology for scraping devices and construction machinery, applied in construction, roads, road repair and other directions, can solve problems such as injuries, and achieve the effect of maintaining mobility and preventing jams

Active Publication Date: 2007-06-13
WIRTGEN GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The milling material then remains on the milling path, in which case there is an additional risk of injury to persons from the milling material being thrown out through the unclosed openings of the drum shell

Method used

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  • Scraping device for a cutting roller mounted in a construction machine
  • Scraping device for a cutting roller mounted in a construction machine
  • Scraping device for a cutting roller mounted in a construction machine

Examples

Experimental program
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Embodiment Construction

[0039] Figure 1 shows the invention applied to a front loading road milling machine. The automatic road milling machine 1 shown in FIG. 1 is provided with wheels, but it can of course also be supported by crawler units, as shown in FIG. 2 . In the embodiment of the road milling machine 1 according to FIG. 1 , the milling drum 2 is arranged at the machine rear end and is closed by a drum housing 4 .

[0040] When viewed in the direction of travel, a scraping device 6 with a mast 15 and a piston-cylinder unit 25 is arranged at the rear end of the drum shell 4, the scraping device 6 has a height-adjustable scraper 10, the scraper seal The milling width of the milling drum 2 is covered and guided in a height-adjustable manner on a mast 15 which is connected to the machine frame 5 , for example via a piston-cylinder unit 25 .

[0041] The doctor blade 10 is guided on the lateral guides 12 of the machine frame 5, whereby it must be clear that the machine element indicated by refere...

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Abstract

In a scraper device for a milling drum ( 2 ) mounted in a construction machine, with a scraper blade ( 10 ) arranged in a height-adjustable manner behind the milling drum ( 2 ) when seen in the direction of travel, which can glide on the surface ( 3 ) milled or to be milled by the milling drum ( 2 ), where the scraper blade ( 10 ) is guided in lateral guides ( 12 ) in a height-adjustable manner relative to the milling drum ( 2 ), and where first centering devices ( 14 ) are provided which center the scraper blade ( 10 ) between the guides ( 12 ) with small lateral play of movement when in a raised position, and which allow a greater lateral play of movement of the scraper blade ( 10 ) when the scraper blade ( 10 ) is in a lowered working position, it is provided that the second centering devices ( 20 ) act upon the upper end ( 16 ) of the scraper blade ( 10 ), restricting the lateral displacement of the scraper blade ( 10 ) at the upper end ( 16 ) in case of a lateral movement of the scraper blade ( 10 ) in the guides ( 12 ).

Description

technical field [0001] The invention relates to a scraper device according to the preamble of claim 1 for use on a milling drum mounted on a construction machine. Background technique [0002] Such a scraping device is known, for example, from German patent (DE) 10247579. [0003] The scraping device described here for use on a milling drum of a construction machine, in particular a road milling machine, comprises a scraper blade that can slide over the surface to be milled or to be milled by the milling drum, wherein the maximum milling width can be used on said road milling machine Milling drums with different milling widths. [0004] The scraper blade is required to scrape off milling material that, viewed in the direction of travel, accumulates behind the milling drum from the milling surface to leave a completely clean milling area. In this way, material that has accumulated behind the milling drum is fed into the milling drum again until it is carried and transported...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/088E01C23/09
CPCE01C23/088
Inventor 海科·伯梅赫伯特·莱乌尔班·库尔沙伊德京特·特韦斯
Owner WIRTGEN GMBH
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