Thick coal-bed shield hydraulic support

A technology of hydraulic support and thick coal seam, applied in mine roof support, mining equipment, earthwork drilling and other directions, can solve the problems of small lifting space of roof beam, deep burial of mining coal seam, poor use effect, etc. The effect of high working face output and improved service life

Inactive Publication Date: 2006-10-25
ZAOZHUANG MINING GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This hydraulic support is suitable for the mining of medium and thin coal seams, but the lifting space of the roof beam of this hydraulic support is small, and the use effect is poor for thick coal seams with deep coal seam...

Method used

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  • Thick coal-bed shield hydraulic support
  • Thick coal-bed shield hydraulic support
  • Thick coal-bed shield hydraulic support

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] A thick coal seam cover type hydraulic support, such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6Shown, wherein comprise top beam 5, cover beam 8, base 14, column 6, front link 11, rear link 13, push jack 15 and control valve group 12; The rear end of top beam 5 and the front end of cover beam 8 The upper end of the column 6 is installed on the shaft seat on the bottom surface of the top beam 5 through the pin shaft, and is connected with it in relative rotation, and the lower end of the column 6 is installed on the base 14 through the pin shaft, and forms with it Relatively rotating connection; the upper end of the front link 11 is installed on the rear end of the shield beam 8 through the hinge shaft, and the lower end of the front link 11 is installed on the base 14 through the hinge shaft; the rear link ...

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PUM

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Abstract

The invention is a thick coal bed hydraulic shield support, able to implement synthetic mechanized mining of thick coal beds, comprising top beam, shield beam, seat, column, balancing jack, front link rod, rear link rod, displacive jack and operating valve set, where the top beam and shield beam are equipped with side push jacks, and long and short guide rods inside and equipped with side backplates and hinged mutually; the top and bottom ends of the balancing jack are equipped on the top beam and shield beam, respectively; the top and bottom ends of the column are arranged on the lower part of the top beam and the seat, respectively; the upper ends of the front and rear link rods are hinged at the rear end of the shield beam and the lower ends of them are hinged on the seat; the displacive jack is equipped on the seat; the operating valve set is equipped on the bottom surface of the top beam. And it has large height regulating range and high moving speed, and improves force bearing conditions of the support and prolongs the service life of the support. And the support is made of high-intensity low-alloy steel sheet, small- bulk and lightweight.

Description

technical field [0001] The invention relates to a mine shielding hydraulic support, in particular to a thick coal seam shielding hydraulic support. Background technique [0002] The fully mechanized mining hydraulic support is one of the main equipments in the comprehensive mechanized coal mining face of the coal mine. It is used in conjunction with the shearer and the conveyor. It can move forward by itself and advance the coal mining face. At present, the hydraulic supports used in mine coal seam mining include top beams, cover beams, bases, two columns, front connecting rods, rear connecting rods, push jacks and control valve groups; the rear end of the top beam and the front end of the cover beam are hinged The shaft is hingedly connected; the upper end of the column is installed on the shaft seat on the bottom surface of the top beam through a pin shaft, and is connected in relative rotation with it; the lower end of the column is installed on...

Claims

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Application Information

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IPC IPC(8): E21D23/04E21D23/16
Inventor 刘宪亮王其涛梁开东孙洪侠李洪军
Owner ZAOZHUANG MINING GRP CO LTD
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