Method for adjusting an automatic level control of the plane in planing operations in hard coal mining

A level control and planer technology, applied in mining equipment, earth square drilling, mine roof support, etc., can solve problems such as insecurity

Inactive Publication Date: 2011-11-23
RAG AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, this method is also accompanied by insecurity in its reporting or is also limited by a corresponding delay in time when an adjustment may be required, because only after a few planer strokes, that is, several times, usually about A more reliable report on the material cut by the planer is only produced after 5 passes through the guard bracket

Method used

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  • Method for adjusting an automatic level control of the plane in planing operations in hard coal mining
  • Method for adjusting an automatic level control of the plane in planing operations in hard coal mining
  • Method for adjusting an automatic level control of the plane in planing operations in hard coal mining

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Embodiment Construction

[0044] exist figure 1 The working surface device shown schematically in , firstly has a protective support 10 with a top beam 11 and a bottom plate 12; figure 1 Only one of the pillars can be identified in . When the top beam 11 protruded on the mining machine direction on its front (left) end, a clot shield (Bruchschild) 14 was hinged at the rear (right) end of the top beam 11, and the structure of this protective bracket 10 is known so that no further explanation is required. At least at its top beam 11 an inclination sensor 15 is installed, as not shown in detail, at the protective bracket 10 additional inclination sensors are installed at the base plate 12 and the clot shield 14 and / or carry the clot shield 14 at the carrying rod (Traglenker). The height of the protective support between the roof beam 11 and the base plate 12 can be calculated using the measured values ​​received by the inclination sensor.

[0045] A working surface conveyor 16 engages on the protectiv...

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Abstract

The invention relates to a method for adjusting an automatic level control of the plane in longwall operations, wherein the plane can be adjusted by means of a boom control into a climbing motion, dropping motion, or neutral motion, wherein the cutting depth (21) and the control angle (20) derived as the differential angle between the slope of the face end cap (11) of the shield support frame (10) and the slope of the longwall transport (16) in the working face direction are captured and the longwall height change per planing stroke is calculated therefrom, such that each longwall position of the longwall conveyor (16) is associated with a longwall height as a planning height, and wherein the actual height of the longwall is calculated on the basis of the values captured by the slope sensors (15) mounted on the shield support frame (10); whenever each longwall position is reached by a shield support frame (10) of the shield support following after the plane (17), and is compared to the stored planned height, and wherein a height differential value (28) between the planned height and the actual height determined for each longwall position is taken into consideration in subsequent planing strokes by the calculating unit in the sense of a self-learning effect when the control angle (20) to be set for the plane (17) for achieving a planned height is prescribed.

Description

technical field [0001] The invention relates to a method for adjusting the automatic level control of a planer (Hobel) in a face operation (Strebbetrieb) in an underground coal mine, which is equipped with a hydraulic protective support (Schildausbau) and equipped with a planer Face conveyor for guiding the planer at the guide, the planer guide being formed on the planer, wherein the position of the face conveyor with the planer guided thereon in the mining direction can be controlled by a cantilever control supported on the protective support change, and the control angle for adjusting the movement of the planer in the extraction direction to a climbing movement, a diving movement or a neutral movement can be adjusted by means of the boom control. Background technique [0002] The problem of automatic horizontal control of the planer operation not only in the extraction direction of the planer but also in the recovery direction (Verhiebrichtung) is also that on the one hand...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D23/03E21C35/24
CPCE21D23/03E21C35/24E21C35/125
Inventor M·容克A·莫察尔
Owner RAG AG
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