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Compacting compound rock breaking heading machine with arbitrary fracture surfaces

A roadheader and cross-section technology, which is applied to mining equipment, earthwork drilling, tunnels, etc., can solve the problems of high construction costs of non-circular cross-sections, and achieve the effects of avoiding adverse effects, saving internal space, and ingenious structures

Pending Publication Date: 2019-02-15
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the deficiencies in the above-mentioned background technology, the present invention proposes a pressure-beating composite rock-breaking arbitrary section roadheader, which solves the technical problem of high construction cost of existing tunnel boring machines for excavating non-circular sections

Method used

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  • Compacting compound rock breaking heading machine with arbitrary fracture surfaces
  • Compacting compound rock breaking heading machine with arbitrary fracture surfaces
  • Compacting compound rock breaking heading machine with arbitrary fracture surfaces

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1, pressure-beating composite rock-breaking arbitrary section tunneling machine, such as figure 1 As shown, it includes the cutter head 2 at the front end of the shield body 1 and the slag discharge belt conveyor 3 connected with the cutter head 2. The rock slag in the excavation area is transported to the slag discharge belt conveyor 3, and the rock slag is transported to the outside along with the slag discharge belt conveyor 3.

[0018] Such as image 3 As shown, the shield body 1 behind the cutter head 2 is provided with a contour shield 4, and the contour shield 4 is provided with an impactor 5. Setting the contour shield behind the cutterhead 2 can provide a rock-breaking support for the tunnel excavation of the corresponding section, and the impactor 5 arranged on the contour shield 4 cooperates with the hob on the cutterhead 2 to excavate the tunnel of the corresponding section. The impactor 5 trims the remaining under-excavated part after the excav...

Embodiment 2

[0021] Example 2, the roadheader for any section of the composite rock breaking by pressure, the size of the contour shield 4 matches the size of the tunnel section, such a design can avoid setting the impactor 5 obliquely, as long as it is arranged vertically on the contour shield 4 The impactor 5 can trim the remaining under-excavated part without adjusting the angle of the impactor 5, and can avoid the adverse effect of the oblique impact on the impactor 5.

[0022] Other structures of this embodiment are the same as those of Embodiment 1.

Embodiment 3

[0023] Embodiment 3, the roadheader with any cross-section of the composite rock breaking by pressure, the slag transfer device 6 includes a slag transfer motor 6-1 and a driven wheel 6-2, and the slag transfer motor 6-1 and the driven wheel 6-2 pass through scales Plate with 6-3 transmission connection. The scale belt is set as the transmission part of the slag converter, which can transport rock slag reliably and efficiently.

[0024] Other structures of this embodiment are the same as those of Embodiment 2.

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Abstract

The invention discloses a compacting compound rock breaking heading machine with arbitrary fracture surfaces. The compacting compound rock breaking heading machine with the arbitrary fracture surfacessolves the technological problem of high construction costs for an existing tunneling machine to excavate non-circular fracture surfaces. The compacting compound rock breaking heading machine with the arbitrary fracture surfaces comprises a cutterhead at the front end of a shield body and a slag tapping belt conveyor communicating with the cutterhead, an outline shield is arranged on the shield body of the rear of the cutterhead, an impactor is arranged on the outline shield, a slag transferring device is arranged at the bottom of the outline shield, one end of the slag transferring device islocated at the front end of the outline shield, the other end of the slag transferring device leads to a rotary slag tapping device, and the rotary slag tapping device is connected with the slag tapping belt conveyor. The outline shield is arranged on the rear of the cutterhead so that rock breaking brackets can be provided for tunnel excavation of the corresponding fracture surfaces, the impactor arranged on the outline shield and a hobbing cutter on the cutterhead are matched with each other so as to excavate tunnels of the corresponding fracture surfaces, rock slag is transported into therotary slag tapping device on the rear of the outline shield through the slag transferring device, the rotary slag tapping device transports the rock slag to the slag tapping belt conveyor, and finishing and excavated rock slag and rock slag excavated by the cutterhead are transported to the exterior.

Description

technical field [0001] The invention relates to the technical field of shield machine pulling, in particular to a pressure-beating composite rock-breaking random-section tunneling machine. Background technique [0002] At present, rock tunnel excavation mainly uses rock tunnel boring machine (abbreviated as TBM). Due to the limitation of the rock breaking form of the cutter, the excavation shape of rock tunnel boring machine is circular, but some tunnel projects require a tunnel shape that is not circular. Such a tunnel If the project is excavated by the current circular section tunnel boring machine, it will increase the amount of rock excavated during the tunnel excavation process, resulting in an increase in construction costs. Contents of the invention [0003] Aiming at the shortcomings in the above-mentioned background technology, the present invention proposes a pressure-beating composite rock-breaking random-section tunneling machine, which solves the technical pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/087E21D9/12
CPCE21D9/087E21D9/0879E21D9/12
Inventor 李建斌贺飞贾连辉宁向可齐志冲
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
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