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Cantilever tunneling machine with support shoe and construction method thereof

A cantilever roadheader and support shoe technology, which is applied to earth-moving drilling, mining equipment, tunnels, etc., can solve the problems of low rock breaking efficiency in hard rock geology and slow construction progress of the cantilever roadheader, so as to improve the rock breaking efficiency and improve the The effect of stability

Pending Publication Date: 2020-04-07
西安中铁工程装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned shortcoming of prior art, provide a kind of cantilever roadheader with spreader shoe and its construction method, to solve the problem of slow construction progress of cantilever roadheader in soft rock geology and low rock-breaking efficiency in hard rock geology question

Method used

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  • Cantilever tunneling machine with support shoe and construction method thereof
  • Cantilever tunneling machine with support shoe and construction method thereof
  • Cantilever tunneling machine with support shoe and construction method thereof

Examples

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Effect test

Embodiment 1

[0035] see Figure 1-2 As shown, the present invention provides a cantilever tunneling machine with braces suitable for soft rock geology. The whole machine is configured as: soft rock cutter head 1061 + braces 2 + shield 3, specifically including the main structure 1, the main structure The top of the stretcher 1 is equipped with a retractable stretcher 2, and the stretchable stretcher 2 includes a boot body 201, and a shield 3 is installed around the boot body 201; The rock cutter head 106 and the cantilever support 105 adopt a general structure design, and a soft rock cutter head 1061 is installed.

[0036] Preferably, the soft rock cutter head 1061 is a pick-and-cone cutter head, and is fixedly connected to the end of the cantilever support 105 by bolts.

[0037] Preferably, the brace shoe 2 is fixedly connected to the main structure 1 by welding or bolts; the shield 3 is fixedly connected to the shoe body 201 by welding or bolts.

[0038] Further, the bottom of the boot...

Embodiment 2

[0050] see Figure 4-5 As shown, the present invention provides a cantilever tunneling machine with brace shoes suitable for hard rock geology. The whole machine is configured as: hard rock cutter head 1062 + brace shoes 2, specifically including a main structure 1, and the top of the main structure 1 is installed There are retractable boots 2; the main structure 1 includes a rock-breaking cutter head 106 detachably installed at the end of its cantilever support 105, and the cantilever support 105 adopts a general structure design, and a hard rock cutter head 1062 is installed.

[0051] Preferably, the hard rock cutter head 1062 is a hob circular cutter head, and is fixedly connected to the end of the cantilever support 105 by bolts.

[0052] Preferably, the brace shoe 2 is fixedly connected to the main structure 1 by welding or bolts.

[0053] Further, the stretcher shoe 2 includes a shoe body 201, a telescopic sliding box 202 is connected to the bottom of the shoe body 201,...

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Abstract

The invention belongs to the technical field of tunnel construction equipment and relates to a cantilever tunneling machine with a support shoe and a construction method thereof. The cantilever tunneling machine with the support shoe comprises a main body structure. The telescopic support shoe is installed at the top of the main body structure. The main body structure comprises a rock breaking cutter bit detachably installed at the cantilever support end. The rock breaking cutter bit is a soft rock cutter bit or a hard rock cutter bit. The design of the special support shoe is added to the cantilever tunneling machine, enough thrust can be provided for the rock breaking cutter bit, rock breaking efficiency is improved, the problem of low rock breaking efficiency of hard rock geological construction is solved, and meanwhile, stability of a complete machine can be improved significantly. In soft rock geological construction, a shield is installed on the support shoe, an arch part of thesupport shoe can be supported, ejector anchor primary supporting can be conducted closely following equipment, the equipment does not need to retreat from a tunnel face due to primary supporting, parallel operation of tunnel face excavation and ejector anchor primary supporting is achieved, and the problem of low construction method efficiency of soft rock geological construction is solved.

Description

technical field [0001] The invention belongs to the technical field of tunnel construction equipment, relates to the technical field of cantilever roadheaders, in particular to a cantilever roadheader with spreader shoes and a construction method thereof. Background technique [0002] The cantilever roadheader is a combined unit capable of cutting, loading and transporting, self-propelling and spraying and dust removal. With the rapid development of comprehensive coal mining mechanization in the mining face, coal mines have higher and higher requirements for roadway excavation speed. In order to increase the speed of mining quasi-tunnel, the cantilever roadheader has been vigorously developed and gradually developed and perfected. Compared with the full-section hard rock tunnel boring machine, the cantilever boring machine has a lower cost. During the tunnel construction, only the excavation truck is needed to transport the excavated soil, which greatly reduces the investme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/08
CPCE21D9/08
Inventor 史伟张鑫田伟军李艳利王永发苏凯阳贾晓曦
Owner 西安中铁工程装备有限公司
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