Fully mechanized working faces along conveying end head bracket

A technology of end hydraulic support and fully mechanized caving face, which is applied to mine roof support, mining equipment, earth-moving drilling, etc., can solve the problems of low support strength, less moving times, and large pulling and moving steps.

Inactive Publication Date: 2008-01-02
兖矿能源集团股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the poor stability of the hydraulic support at the end of the existing fully mechanized caving face, no protection for the roof bolt support, low support strength, great influence of the up and down movement of the conveyor on the working face, and many times the end support is pulled and moved, the production is affected. Insufficient, the present invention provides a hydraulic support at the Yunshun end of the fully mechanized caving face. It has little impact on normal production and can overcome the impact of the up and down movement of the conveyor on the working face

Method used

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  • Fully mechanized working faces along conveying end head bracket
  • Fully mechanized working faces along conveying end head bracket
  • Fully mechanized working faces along conveying end head bracket

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] The structure of the hydraulic support at the Yunshun end of the fully mechanized caving face of the present invention shown in Figures 1 to 3 is as follows:

[0028] ① The hydraulic supports at the Yunshun end of the fully-mechanized caving face are two sets of front and rear. That is: a group consisting of front and rear frames, divided into front frame brackets and rear frame brackets. Both the front frame support and the rear frame support are composed of a top beam, three columns, two bases, hinged beams at the front and rear ends of the top beam, and a hydraulic control circuit.

[0029] ②The front frame bracket and the rear frame bracket are both left and right asymmetrical structures. That is, the structures of the working side and the sidewalk side of the front frame and the rear frame support are asymmetric structures; that ...

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PUM

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Abstract

The invention discloses a working face transferring end fluid pressure brace, which is characterized by the following: comprising with front brace support and back brace support to front back two braces as one group type; setting the front brace and the back brace as left right asymmetric structure and nearly same; setting the working face side as short chassis and single stud; setting another side as long chassis, multiple stud and four joint rod device; connecting the top beam on the back brace working face side and the chassis through cable or ring chain, draw top beam or draw shift jack to the front brace or transfer machine; adapting the front and back space of the back brace single stud to the width between the rear edge transferring machine head and the coal getting machine roller front end face; setting anchor bar tendon avoiding protection device at the top beam and front back beam. This brace can increase protection strength and stability.

Description

technical field [0001] The invention relates to end support equipment for fully mechanized caving working faces in coal mines, in particular to a hydraulic support for Yunshun end of fully mechanized caving working faces used for working faces with large mining depth and high mine pressure equipped with high-power electromechanical equipment. Background technique [0002] Fully mechanized top-coal caving mining is an advanced high-yield and high-efficiency coal mining method in my country and the world at present. However, the end support of fully mechanized caving face still mostly adopts the traditional "cross top beam" or "one-shaped beam" combined with single pillar support, which is slow, inefficient, employs many people, labor-intensive, and poor in safety. The incompatibility of modern fully mechanized caving equipment has become a weak link in fully mechanized top coal caving mining technology, which needs to be resolved urgently. Especially for the hydraulic suppor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D23/04
Inventor 曲天智贾民祝炳梁刘国良
Owner 兖矿能源集团股份有限公司
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