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Plugging reinforcement structure of long and short tube plug template

A technology of plug formwork and reinforcement structure, which is applied in the direction of wellbore lining, tunnel lining, underground chamber, etc., can solve the problems of easy running of formwork and difficult reinforcement, and achieve the effect of speeding up construction efficiency, simple structure and easy process realization.

Pending Publication Date: 2018-08-10
SINOHYDRO ENG BUREAU 4
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  • Abstract
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  • Claims
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Problems solved by technology

[0006] The main purpose of the present invention is to provide a plugging and reinforcement structure for long and short pipe plugging templates

Method used

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  • Plugging reinforcement structure of long and short tube plug template

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Embodiment Construction

[0017] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0018] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0019] In the present invention, unless stated otherwise, the used orientation words such as "upper, lower, top, bottom" are usually for the directions shown in the drawings, or for the parts themselves in the vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inner and outer" re...

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Abstract

The invention provides a plugging reinforcement structure of a long and short tube plug template. The plugging reinforcement structure of the long and short tube plug template is characterized in thatan annular steel pipe is arranged along the circumferential surface of a steel film trolley and is pressed on one end, near the steel film trolley, of a plug wood formwork; multiple locking steel pipes are evenly and radially spaced along the circumferential surface of the steel film trolley and are located outside the annular steel pipe; first ends of the locking steel pipes press against and are connected to an annular rock wall and second ends are connected to the steel film trolley; multiple wedge blocks are wedged between the annular steel pipe and the plug wood formwork so that one end,near the steel film trolley, of the plug wood formwork is reinforced and locked through the annual steel pipe; the multiple wedge blocks are wedged between the first ends of the locking steel pipes and the plug wood formwork , so that one end, far from the steel film trolley, of the plug wood formwork is reinforced and locked through the locking steel pipes; consequently, both ends of the plug wood formwork are locked, the plug wood formwork is guaranteed to be completely reinforced and locked, slurry leakage is stopped from occurring in the process of pouring concrete, construction efficiency is accelerated, and construction costs are reduced.

Description

technical field [0001] The invention relates to the technical field of annular cement-soil pouring end sealing, in particular to a plugging and reinforcing structure of long and short pipe plug templates. Background technique [0002] In tunnels constructed by the drill-and-blast method, composite lining is required against the rock wall after the tunnel is formed by drilling and blasting, that is, the concrete is sprayed first and then the secondary lining is carried out with a steel formwork trolley. Taking the power generation tunnel as an example, during the concrete pouring process of the second lining, one side of the two ends of the steel formwork trolley is in contact with the formed concrete, so no plugging is required, and the other side is empty, and a plug formwork needs to be installed. Since the thickness of the secondary lining of the tunnel changes with the grade of the surrounding rock, and the base surface of the surrounding rock caused by the drilling and ...

Claims

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Application Information

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IPC IPC(8): E21D11/10
CPCE21D11/102
Inventor 谢延强刘钊赵亚妮冯勤刘家宁高鹏黄登福程进东杨鑫
Owner SINOHYDRO ENG BUREAU 4
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