Mining hydraulic supporting device

A hydraulic support and mining technology, applied in mining equipment, pillars/supports, earthwork drilling, etc., can solve problems such as inconvenient adjustment, achieve the effect of low assembly labor intensity, high safety performance, and ensure the safety of life and property

Inactive Publication Date: 2015-12-23
ANHUI CHENRUI ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION SCI & ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the disadvantages of inconvenient adjustment of the existing coal mine hydraulic support column at the present stage, and propose a mine hydraulic support device

Method used

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Embodiment Construction

[0020] In order to make the present invention clearer, the device will be described in detail below in conjunction with the accompanying drawings. The specific embodiments described here are only used to explain the present invention, and are not intended to limit the present invention.

[0021] Such as figure 1 with figure 2 As shown, a mining hydraulic support device provided by the present invention is characterized in that it includes an energy supply device 1, the energy supply device 1 is connected to the main pipeline 3 through a first reversing valve 5a, and the first reversing valve 5a adopts three-position four-way battery valve. 10 branch pipes 4 are connected in parallel on the main pipe 3, and a hydraulic prop 2 is connected on each branch pipe 4. The hydraulic prop 2 includes a hydraulic cylinder 18, and the piston rod of the hydraulic cylinder 18 is connected The bearing rod 19 used to support the coal mine is provided with a support plate 20 on the upper sec...

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Abstract

The invention relates to a mining hydraulic supporting device which is characterized by comprising an energy supplying device (1), wherein the energy supplying device (1) is connected with a main pipeline (3) through a first reversing valve (5a), and at least one branch pipeline (4) is connected to the main pipeline (3); a hydraulic prop (2) is connected to each branch pipeline (4), and a second reversing valve (5b) is arranged on each branch pipeline (4); each branch pipeline (4) is connected with a pressure relay (6) and an energy storage tank (7), and the pressure relay (6) and the energy storage tank (7) are arranged between the corresponding second reversing valve (5b) and the corresponding hydraulic prop (2). The mining hydraulic supporting device has the advantages of being small in size, low in cost, convenient to mount, high in safety performance and long in service life, can simultaneously control the lifting of a plurality of hydraulic props, is convenient to operate, and has a good using effect, meets the requirement of supporting of the working plane of a coalmine tunnel, and effectively ensures the life and property security of coal miners.

Description

technical field [0001] The invention relates to a coal mining machine, in particular to a mining hydraulic support device. Background technique [0002] China is one of the countries with abundant coal resources. The content and output of coal are often at the forefront of the world. Coal has become an indispensable resource for our country to rely on. China's coal resources are distributed in a wide area, and the coal seam storage conditions are also various. Generally, there are the following points: [0003] 1. Based on the analysis of the relationship between surrounding rock and coal mine storage, China has coal mines stored under soft rock roofs, coal mines under ordinary roof conditions, and coal mines under hard roofs. The mining of coal seams under hard roofs is quite difficult. There are often suspended roofs of about 1,000 square meters. If they collapse, it is likely to cause very serious disasters and heavy losses. [0004] 2. Based on the analysis of the geol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D15/44E21D15/51
Inventor 孟令启
Owner ANHUI CHENRUI ENERGY CONSERVATION & ENVIRONMENTAL PROTECTION SCI & ENG
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