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Construction method of rock foundation excavation pipe ditch for municipal pipeline installation

A technology for municipal pipelines and construction methods, which is applied in the construction field of excavating pipe trenches on rock foundations for municipal pipeline installations. The effect of small area

Inactive Publication Date: 2021-01-29
重庆丹含科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a construction method for excavating pipe trenches on rock foundations for municipal pipeline installation to solve the problem that the width and depth of pipe trenches excavated in rock foundations are not easy to control

Method used

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  • Construction method of rock foundation excavation pipe ditch for municipal pipeline installation
  • Construction method of rock foundation excavation pipe ditch for municipal pipeline installation
  • Construction method of rock foundation excavation pipe ditch for municipal pipeline installation

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Embodiment Construction

[0026] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0027] like figure 1 , figure 2 ,as well as image 3 As shown, the invention discloses a construction method for excavating pipe trenches on rock foundations for municipal pipeline installation, including a support frame 10 on which a drive mechanism 1 is installed, and wheels 5 are installed at the bottom of the support frame 10 . The driving mechanism 1 may be a combination of an electric motor and a gear reducer, a gasoline engine and a gear reducer, or a combination of an oil extraction machine and a gear reducer. A cutting sheet set 6 is provided below the support frame 10 . The cutting blade group 6 is installed on the support frame 10 through an independent variable suspension.

[0028] like figure 1 and image 3 As shown, the cutting blade set 6 includes several circular saw blades 6a, and the circular saw blades 6a are supported by high-speed ...

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Abstract

The invention discloses a construction method of a rock foundation excavation pipe ditch for municipal pipeline installation. The method adopts special excavation equipment, and comprises the following steps of: 1, positioning and delimiting a center line of an excavation groove on a rock according to a design drawing, and determining a groove bottom elevation value every other meter, namely determining a groove depth to be cut at the position; and 2, cutting the rock along the center line of the rock through the excavation equipment, and forming a groove with the side wall in a step shape inthe rock after cutting, wherein the width and depth of the step at the bottommost portion of the groove need to be larger than or equal to the design requirement. According to the excavation equipment, the groove is cut in the rock in a cutting mode, and the excavation equipment has the advantages of being small in construction occupied area, low in noise and vibration compared with rock crushingand easy to operate by workers.

Description

technical field [0001] The invention belongs to the technical field of construction machinery for municipal public works, and in particular relates to a construction method for excavating pipe trenches on rock foundations for municipal pipeline installation. Background technique [0002] Municipal pipe network construction, such as gas pipelines, water pipes, and communication pipe networks, is generally buried underground outdoors. Therefore, the construction of the pipe network is inseparable from the excavation of pipe trenches. Trench excavation can be divided into direct excavation and crushing excavation. Direct excavation refers to the excavation of soil or soil-rock mixture, while crushing excavation refers to the excavation of rock. In existing construction, we generally use an excavator with a crushing head to crush rocks. Due to the large size of the crushing head, the crushing head is subjected to severe rock reaction force during work. The width and depth of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02F5/08E02F5/14
CPCE02F5/08E02F5/14
Inventor 不公告发明人
Owner 重庆丹含科技有限公司
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