Guide frame for positioning steel casing
A technology of steel casing and guide frame, which is applied in the erection/assembly of bridges, bridge parts, sheet pile walls, etc., can solve the problems of low adjustment and positioning accuracy of the guide frame, and the adjustment is not intuitive enough.
Pending Publication Date: 2020-10-20
中铁大桥局上海工程有限公司
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[0005] The embodiment of the present application provides a guide frame for the positioning of the steel casing to solve the problems in the related art that the adjustment and positioning accuracy of the guide frame is low and the adjustment is not intuitive enough
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[0031] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.
[0032] The embodiment of the present application provides a guide frame for positioning a steel casing, which can solve the problems in the related art that the adjustment and positioning accuracy of the guide frame is low and the adjustment is not intuitive enough.
[0033] see figure 1 As shown, the frame body includes two horizontal...
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The invention relates to a guide frame for positioning a steel casing, and relates to the technical field of bridge construction. The guide frame comprises a frame body and an alignment mechanism. Theframe body comprises two horizontal positioning frames which are spaced up and down and aligned, multiple positioning rods are arranged between the horizontal positioning frames in a vertically-spaced manner, multiple adjusting assemblies are arranged on each horizontal positioning frame at intervals, and the adjusting assemblies are used for adjusting the position of the steel casing. The alignment mechanism comprises a positioning assembly and an alignment assembly, the alignment assembly is used for being arranged on a platform where the frame body is located and transmitting at least twointersecting laser beams towards the center of a pile position, the positioning assembly is used for being arranged on the steel casing, and the center axis of the positioning assembly coincides withthat of the steel casing. The positioning assembly is configured into the state that when the positioning assembly receives lasers transmitted by the alignment assembly, the central axis of the positioning assembly coincides with that of the pile position. The guide frame is high in adjusting precision, and the problems that in the correlation technique, the adjusting and positioning precision ofa guide frame is low, and the guide frame is not visual during adjusting are solved.
Description
technical field [0001] The present application relates to the technical field of bridge construction, in particular to a guide frame for positioning steel casings. Background technique [0002] At present, in bridge construction, the piers of the bridge are generally built by the construction method of underwater bored piles, and the insertion of the steel casing is a crucial part of the construction process. After the steel casing touches the seabed, The hoisting vibrating hammer performs insertion and drilling operations on the steel casing until the insertion depth of the steel casing meets the design requirements of the construction drawing. Among them, the positioning quality of the steel casing directly determines the quality of the pier. When inserting a high-height steel casing, it is usually necessary to use a double-layer guide frame to guide and adjust the steel casing to ensure that the center of the steel casing is in line with the pier. The pile centers coinci...
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IPC IPC(8): E02D13/04E02D5/66E01D19/02E01D21/00
CPCE02D13/04E02D5/665E01D19/02E01D21/00
Inventor 石占良蔡学峰李德昆王彦强文献张大伟宋文明胡明黄勇唐奥黄磊严俊
Owner 中铁大桥局上海工程有限公司