Rectangular section excavation cutterhead and heading machine

A technology with a rectangular section and a cutter head, which is applied to mining equipment, earthwork drilling, tunnels, etc., can solve the problems of inability to realize full-section excavation, poor operation reliability, and large soil disturbance, and achieve the purpose of increasing the use area of ​​tunnels, High operational reliability and the effect of saving underground space

Pending Publication Date: 2022-03-04
CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
View PDF0 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The eccentric multi-axis oscillating cutter head can realize full-section excavation, but its structure is complex, its operation reliability is poor, and it has a large disturbance to the soil; the combined rotary cutter head has less disturbance to the surrounding soil, the structure is simple and easy to process and manufacture, and the equipment operates reliably High performance, but there is a certain blind area of ​​excavation in the excavation surface, and it is impossible to realize full-section excavation
[0004] Therefore, there are relatively difficult technical problems in realizing full-section excavation of rectangular tunnels

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Rectangular section excavation cutterhead and heading machine
  • Rectangular section excavation cutterhead and heading machine
  • Rectangular section excavation cutterhead and heading machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0035] Next, the technical solutions in the embodiments of the present invention will be described in connection with the drawings of the embodiments of the present invention, and it is understood that the described embodiments are merely the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art are in the range of the present invention without making creative labor premise.

[0036] Option One

[0037] The present invention provides a rectangular section opening dug cutter disk, such as figure 1 , image 3 and Figure 4 As shown, the rectangular section opening excavator disk includes a plurality of axially arranged rollers 20, and each of the outer circumference of the respective rollers 20 is provided with a hob 40; the plurality of roller 20 includes two outer roller 30 located outside; the axis of the outer roller 21 is inclined toward the directio...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention provides a rectangular section excavation cutterhead and a heading machine. The rectangular section excavation cutterhead comprises a plurality of axially arranged rollers, and hobs are arranged on the periphery of each roller; the plurality of rollers comprise two outer rollers positioned on the outer side; the axis of the outer roller inclines backwards in the direction from the center of the cutter head to the outer side. The hobbing cutters of the outer roller comprise outer hobbing cutters, and at least one outer hobbing cutter extends outwards to the outside of the end face of the outer roller. By means of the method, the technical problem that it is difficult to achieve full-section excavation of the rectangular tunnel is solved.

Description

Technical field [0001] The present invention relates to the technical field of tunnel engineering equipment, and more particularly to a rectangular cross section opening dug cutter disk and a tractor. Background technique [0002] The shield method is highly automated, the construction speed is fast, which can effectively control the obvious advantages such as ground settlement. In the past, the underground tunnel section is mostly circular. Since the space utilization of the underground tunnel is constrained by the interrelationship between the urban surrounding environment, the spatial utilization of the circular tunnel is relatively low. [0003] The effective use area of ​​the rectangular tunnel can be increased by more than 20% compared to the conventional circular tunnel. The existing rectangular cross-section excavation is mainly eccentric multi-axis swinging cutter disc excavation and combined rotary cutter disc. Eccentric multi-axis swinging cutter can achieve full-secti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/11
CPCE21D9/112
Inventor 孟艺敏喻中孝张家年宋春晓张世伟
Owner CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products