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A hydraulic support retraction system and its retraction method

A technology of hydraulic support and cover support, which is applied in the direction of pillars/supports, earth drilling, mining equipment, etc., which can solve the problems of labor-consuming and time-consuming safety factor, high risk of dismantling, easy injury and operating personnel, etc., to save costs , Save underground space, simple and fast steering method

Active Publication Date: 2017-04-12
SHANDONG LUNAN GRP ENERGY EQUIP MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A large number of single hydraulic props, steel beams, logs and other materials are required for the immediate support of withdrawal, which is labor-intensive, time-consuming and has a low safety factor, which can easily injure the operators; therefore, this method of withdrawal requires personnel Many, low removal efficiency, high input cost
Especially now the fully-mechanized mining face uses large mining height supports, the height of which is usually above 3m, and it is more likely to be stuck when withdrawing, and the risk of dismantling is extremely high

Method used

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  • A hydraulic support retraction system and its retraction method
  • A hydraulic support retraction system and its retraction method
  • A hydraulic support retraction system and its retraction method

Examples

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Embodiment 1

[0039] Such as figure 1 As shown, a hydraulic support retraction system includes a shield support 11, a shield support 12 and a retraction platform 2, and a push beam 3 is arranged between the shield support 11, the shield support 12 and the retreat platform 2, and the push The two sides of the beam 3 are fixedly connected with the push jack at the bottom of the shield support 11 and one end of the retraction platform 2 by bolts, and the cross-sectional shape of the push beam 3 is "H" type; there are three shield supports, and the shield support 11 and the cover support 12 are arranged in parallel on one side of the push beam 3, and the cover support 12 is located on one side of the hydraulic support 41 to be withdrawn, that is, the position of the hydraulic support just withdrawn; the withdrawal platform 2 is provided with a second One slope, the first slope is opposite to the hydraulic support 41 to be withdrawn, so that the hydraulic support 41 can be pulled and moved to th...

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Abstract

The invention discloses a hydraulic support withdrawing system and method and belongs to the technical field of hydraulic supports. The hydraulic support withdrawing system comprises at least two shield supports and a withdrawing platform. A moving beam is arranged between the shield supports and the withdrawing platform. The two sides of the moving beam are fixedly connected with a moving jack at the bottoms of the shield supports and one end of the withdrawing platform respectively. The shield supports are arranged on one side of the moving beam in parallel, and one shield support is located on the side of a hydraulic support to be withdrawn. Each shield support comprises a base and a net pushing device. The withdrawing system is high in safety coefficient, and labor is saved.

Description

technical field [0001] The invention relates to the technical field of hydraulic supports, in particular to a hydraulic support retraction system and a retraction method thereof. Background technique [0002] With the continuous development of high-yield and high-efficiency mines in my country, the continuous improvement of the level of mechanized coal mining technology, the continuous upgrading of coal mining mechanized equipment, and the continuous acceleration of the recovery speed of fully-mechanized mining faces, the frequency of installation and removal of fully-mechanized mining faces has also increased. Constantly accelerating. In particular, the continuous investment of various high-power coal mining equipment, the use of high-power coal mining machines and large mining height hydraulic supports, while improving the coal mining level and recovery speed, also greatly increase the efficiency of the removal of hydraulic supports in the fully mechanized mining face. How...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21D15/60
Inventor 梁开东李福祥张严敬冯栋李宪庆刘西斌崔振严孝伟赵金刚
Owner SHANDONG LUNAN GRP ENERGY EQUIP MFG
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