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Method for operating floor planer with vertically adjustable planing roller

By performing automatic swing motion and adjusting the descending speed when the plowing roller of the ground plowing machine is lowered, the problem of motor overload and insufficient plowing depth when the plowing roller is lowered is solved, improving the reliability of the equipment and the use of the scraper. life.

Inactive Publication Date: 2012-12-26
BOMAG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the scarifier rollers are lowered suddenly or too quickly, the drive motor of the scarifier can be loaded beyond its power limit, which can lead to a stoppage of the motor or, more seriously, damage
In addition, the scarifying knives that can damage the scarifying rollers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] figure 1 The scarifying roller 10 is shown in a schematic side view. The scarifying roller 10 is arranged height-adjustably by means of two adjusting drives 20 a / 20 b on a ground scarifying machine (not shown). The adjustment drive 20a / 20b is located on the axial end of the scarification roller 10, such as figure 2 as shown in the front view. A plurality of doctor blades, not shown, are arranged on the scarifying roller 10 , which when the scarifying roller 10 rotates in the indicated direction of rotation R (if necessary also in the opposite direction of rotation) at a defined height H (stripping depth) ) to loosen and remove ground material S.

[0028] During the milling operation, the milling depth H can be changed by adjusting the height with the adjusting drive 20 a / 20 b , wherein the adjusting drive is in particular a hydraulically actuated adjusting drive (a so-called lifting column). Furthermore, by adjusting the drives 20 a / 20 b , the rotating milli...

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Abstract

The present invention relates to a method for operating a ground milling machine which comprises at least one height-adjustable milling roller, wherein the milling roller performs a tumbling movement (T′) which is controlled by way of open-loop and / or closed-loop control during lowering in operation. The present invention further relates to a control device for the closed-loop and / or open-loop control of this method, and also to a ground milling machine with such a control device.

Description

technical field [0001] The invention relates to a method for operating a floor scarifier having at least one height-adjustable scarifier roller. The invention also relates to a control device for carrying out such a method, as well as to a ground scarifier. Background technique [0002] Ground scarifying machines with height-adjustable scarifying rollers or scarifying rotors are known from the prior art, wherein by adjusting the height the scarifying depth in the ground material to be processed (eg road covering) can be varied or can be Adaptation is carried out according to the situation, for example with respect to unevenness. The height adjustment of the scarifying rollers is effected by means of one or more adjusting drives. For prior art see DE 2540047A1. [0003] Problems when operating ground scarifiers with height-adjustable scarifying rollers are especially the lowering of the scarifying rollers for sinking the scarifying rollers into the ground material (e.g. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/088
CPCE01C23/088E02F9/2025E01C23/127
Owner BOMAG
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