Tunnel pipe conveying trolley with auxiliary assembly device
An auxiliary group and nozzle technology, applied in auxiliary devices, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problems of steel pipe deformation, affecting the efficiency of the group, affecting the accuracy rate, etc.
Active Publication Date: 2021-08-24
广东粤水电装备集团有限公司
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Problems solved by technology
Although the use of this jacking device basically solves the problem of difficult installation of large-diameter steel pipes in the tunnel, this kind of jacking device only has support arms on the left, right and upper sides, and can only achieve horizontal and vertical position adjustment. When the steel pipe itself is heavy and the pipe wall is not thick, only three points (the dome and the lateral sides) are stressed when the steel pipe is adjusted by the jacking device. The accuracy of the pairing, and the bottom of the steel pipe needs temporary support, which affects the efficiency of the pairing
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[0021] This part will describe the specific embodiment of the present invention in detail, and the preferred embodiment of the present invention is shown in the accompanying drawings. Each technical feature and overall technical solution of the invention, but it should not be understood as a limitation on the protection scope of the present invention.
[0022] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
[0023] I...
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Abstract
The invention discloses a tunnel pipe conveying trolley with an auxiliary assembly device. The tunnel pipe conveying trolley comprises a cross beam and the auxiliary assembly device, and the auxiliary assembly device is installed on the cross beam; the auxiliary assembly device comprises a longitudinal moving trolley and two pipe opening auxiliary assembly mechanisms movably installed on the longitudinal moving trolley, and the two pipe opening auxiliary assembly mechanisms are arranged side by side in a front-back spaced mode; and each pipe opening auxiliary assembly mechanism comprises a central guide rail disc and a rotary jacking mechanism capable of rotating around the periphery of the central guide rail disc, the rotary jacking mechanism comprises a rotary disc and a plurality of jacking oil cylinders arranged in a circumferential array mode, and the jacking oil cylinders are installed on the rotary disc. To-be-installed steel pipes and installed steel pipes can be adjusted through the tunnel pipe conveying trolley, the field operation intensity is reduced, the labor cost is saved, the construction period is shortened, and the operation efficiency is improved; and the jacking position of the steel pipe can be adjusted in a multi-angle mode through the rotatable rotary jacking mechanisms, therefore, the assembling accuracy can be improved, and the welding quality can be guaranteed.
Description
technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a tunnel pipe transportation trolley with an auxiliary pairing device. Background technique [0002] The construction of some water resources projects requires the butt joint of pressure steel pipe groups in the tunnel. During installation, the steel pipes after the steel pipes are manufactured are first transported to the cave, and then the pipes are assembled and installed. After the steel pipes are installed, the outer wall of the steel pipes and the The distance between the installed steel pipe segments in the hole should not be too large. For example, in the Pearl River Delta water resources project test section project, the design of the project requires the installation of DN4800 penstock steel pipes in the DN5400 tunnel. The pipes are transported to the cave to complete the assembly and installation. After the steel pipes are installed, the distance between t...
Claims
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IPC IPC(8): B23K37/053B23K37/00B23K101/06B23K103/04
CPCB23K37/0531B23K37/00B23K2101/06B23K2103/04Y02E10/20
Inventor 吴海宏李世增柳志林江涛林文彬余学良邹俊峰黎卓豪王鸣
Owner 广东粤水电装备集团有限公司