Support system and support method suitable for self-drilling channel type retraction process

A channel-type and technological technology, which is applied in tunnels, earthwork drilling, tunnel lining, etc., can solve the problems of large coal loss and difficult rock roof support, and achieve the effect of reducing coal loss

Active Publication Date: 2022-03-15
CHINA UNIV OF MINING & TECH
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Problems solved by technology

[0003] The purpose of the present invention is to provide a support system and support method suitable for the self-drilling channel type retraction process, so as to solve the problems of difficult rock roof support and large coal loss

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  • Support system and support method suitable for self-drilling channel type retraction process
  • Support system and support method suitable for self-drilling channel type retraction process
  • Support system and support method suitable for self-drilling channel type retraction process

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Embodiment Construction

[0046] The present invention will be described in more detail below with reference to schematic diagrams, wherein preferred embodiments of the present invention are shown, and it should be understood that those skilled in the art can modify the present invention described herein while still achieving the advantageous effects of the present invention. Therefore, the following description should be understood as the broad knowledge of those skilled in the art, but not as a limitation of the present invention.

[0047] like Figure 2~10As shown, a support system suitable for self-drilling channel type retraction process, including: coal shearer 1, storage platform 2, 3 net laying roof protection support units 3, support platform unit 4 and folding ladder 5.

[0048] The coal shearer 1 is used to cut the coal body 6 when the power is turned on, and is used as the base of the net laying roof support support unit 3 and the support platform unit 4 when the power is off. The staff cli...

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Abstract

The invention proposes a support system and a support method suitable for the self-drilling channel type retraction process. The support system includes a coal shearer, a storage platform, a support platform unit and a mesh roof support unit; the support platform unit It includes a support plate and a retractable support mechanism; the support plate cooperates with the storage groove of the storage table to be stored in the storage table; the net-laying roof protection bracket unit is used to anchor the top plate or side of the rock formation, including the bottom plate, support top plate, lifting mechanism and Laying mechanism. The present invention carries out segmental excavation and support during the formation of the retraction channel, that is, after a segment of the retraction channel is excavated, the support platform unit is pulled out from the storage platform, and the roof protection bracket unit is laid out by action, and the support can be completed. The timely support of the rock roof and the side of the coal body solves the problem of difficult rock roof support in the prior art. In addition, there is no need to reduce the mining height during the advancing process of the large mining height working face, so there is no top coal, which reduces the loss of coal.

Description

technical field [0001] The invention belongs to the field of support for a retraction channel of a working face, and in particular relates to a support system and a support method suitable for a self-drilling channel type retraction process. Background technique [0002] At present, the formation methods of retraction channels in large mining height working faces are generally divided into pre-excavation multi-channel retraction technology and coal machine self-drilling channel type retraction technology. However, due to the large mining height of the working face, the hydraulic support and shearer and other equipment used are bulky, and the section size of the withdrawal channel is required to be huge. Therefore, the formation of the withdrawal channel is difficult and the maintenance is even more difficult. For the coal machine self-drilling channel type retraction process, there are the following defects: 1) The rock roof support is difficult: due to the high mining heigh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21C35/00E21D11/15E21D9/12E21D23/00E21D23/04E21D23/06
CPCE21C35/00E21D11/152E21D9/122E21D23/0052E21D23/04E21D23/06
Inventor 王襄禹赵嘉鑫王广辉吴博文张飞腾李冠军
Owner CHINA UNIV OF MINING & TECH
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