The upstream and downstream cofferdam structure is used for the water pipeline to cross the river section
A technology for water pipes and water retaining structures, applied in underwater structures, infrastructure engineering, water conservancy projects, etc., can solve the problems of wasting manpower and low efficiency, and achieve the effect of improving installation stability
Active Publication Date: 2022-07-05
四川鸥鹏建筑工程公司
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Problems solved by technology
[0004] In view of the above-mentioned related technologies, it is necessary to manually pile up the woven bags one by one when building the cofferdam. The inventor believes that there are defects of low efficiency and waste of manpower.
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[0032] Attached to the following Figure 1-4 This application will be described in further detail.
[0033] The embodiment of the present application discloses an upstream and downstream cofferdam structure for a water conveyance pipe to pass through a river section below. combine figure 1 and figure 2, the upstream and downstream cofferdam structures used for the water pipeline to pass through the river section include two water retaining structures arranged along the direction perpendicular to the length of the river to block the river water. Determined according to the width of the river channel, the water retaining plate 1 is made of stainless steel, and the water retaining plate 1 is driven into the river channel by a piling boat. Blocks 17 and grooves 18 are integrally formed on both sides of each water blocking plate 1 with a smaller area in the vertical direction. A first magnet 19 is clamped on the bottom wall of the card slot 18 , and a second magnet 20 that is ...
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The present application relates to an upstream and downstream cofferdam structure for a water conveyance pipe to pass through a river section. The backwater surface of the water board is provided with an abutment assembly for abutting the water retaining plate. The abutment assembly includes a vertical rod, a first horizontal rod and a sliding rod. The first horizontal rod is arranged between the two vertical rods along the direction perpendicular to the length of the river channel. The first cross bar is provided with a first slot along its length direction for the sliding bar to pass through and abut against the water retaining plate, the end of the sliding bar is provided with a first wedge-shaped block, and the inclined surface of the first wedge-shaped block is away from The water baffle, the vertical rod is sleeved and slidably connected with a water collecting cylinder, the water collecting cylinder is connected with a water pump placed in the river channel through a water pipe, and the lower end of the water collecting cylinder is provided with a first abutting rod along the length direction of the vertical rod. The penetrating first transverse rod abuts against the inclined surface of the first wedge-shaped block. The present application has the effect of improving construction efficiency.
Description
technical field [0001] The present application relates to the field of construction of pipelines passing through rivers, and in particular, to an upstream and downstream cofferdam structure for water pipelines to pass through river sections. Background technique [0002] At present, cofferdams are often built in the process of passing down water pipelines in the river, and after the water is drained, the water-drying operation is carried out. [0003] In the related art, when building a cofferdam in a narrow river channel, it is necessary to carry out the cofferdam construction with an excavator, and then place a woven bag with gravel and soil on the upstream and downstream sides of the cofferdam to prevent water from being waterproof. the goal of. [0004] In view of the above-mentioned related technologies, it is necessary to manually stack woven bags one by one when constructing a cofferdam. The inventor believes that there are defects of low efficiency and waste of manp...
Claims
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IPC IPC(8): E02D19/04E02D29/16E02D31/02
CPCE02D19/04E02D29/16E02D31/02Y02E10/20
Inventor 吴玉莹王道远辜志敏刘浩毛冠群
Owner 四川鸥鹏建筑工程公司