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An auxiliary platform for underwater concrete column construction

An underwater concrete and auxiliary platform technology, applied in water conservancy projects, underwater structures, artificial islands, etc., can solve the problems of slow construction progress, high labor and equipment costs, shorten the construction period, save labor costs, installation and disassembly handy effect

Active Publication Date: 2020-11-10
NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of slow construction progress and high cost of manpower and equipment caused by coordinating enclosures or cofferdams when constructing concrete columns underwater in the prior art, the present invention provides an auxiliary platform for underwater concrete column construction, The auxiliary platform can directly carry out enclosure and drilling operations underwater, which greatly improves the construction period and cost of concrete columns

Method used

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  • An auxiliary platform for underwater concrete column construction
  • An auxiliary platform for underwater concrete column construction
  • An auxiliary platform for underwater concrete column construction

Examples

Experimental program
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Effect test

Embodiment 1

[0045] Such as Figure 1-7 As shown, an auxiliary platform for underwater concrete column construction includes a water bearing platform 1 above the water surface. The water bearing platform 1 is preferably floating on the water surface. The middle position of the water bearing platform 1 has a The rectangular construction work channel 101 on the upper and lower surfaces is provided with the digging equipment 7 for excavating the foundation hole for pouring the construction by four fixed rods 702 on the top of the rectangular construction work channel 101, and is respectively provided on the four sides of the bottom of the rectangular construction work channel 101. There is a set of fence fixing device 2;

[0046] Each group of enclosure fixing devices 2 includes a fixed base plate 203 arranged in parallel on the bottom edge of the rectangular construction operation channel 101, and a through groove 204 parallel to its length direction is arranged on the fixed base plate 203, ...

Embodiment 2

[0062] This embodiment is a further improvement made on the basis of Embodiment 1, as figure 2 As shown, the two ends of each fixed base plate 203 are erected on two support beams 201 on both sides of the bottom of the rectangular construction operation channel 101, and slide rails are arranged on the two support beams 201 along their length direction, so The bottom of the fixed base plate 203 has a chute matched with the slide rail, and an adjustment oil cylinder 202 is arranged on the rectangular construction operation channel 101 between the two support beams 201, and the free end of the piston rod of the adjustment oil cylinder 202 is connected to the fixed base plate 203. The middle part is hinged, and the fixed base plate 203 is driven to slide back and forth along the support beam 201 by adjusting the expansion and contraction of the piston rod of the oil cylinder 202, thereby adjusting the distance between the other fixed base plate 203 opposite to it.

Embodiment 3

[0064] This embodiment is a further improvement made on the basis of Embodiment 2, as figure 2 As shown, the four fixed rods 702 are located on the two diagonals of the rectangular construction operation channel 101, and when each fixed base plate 203 slides to the end of the support beam 201, the circular fixed channel 205 is located on two adjacent sides. The inside of the triangle surrounded by the first fixed rod 702, so that there is an operation gap between the guide fixed rod 3 inserted therein and the nearest fixed rod 702.

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Abstract

An auxiliary platform for underwater concrete column construction, comprising a water bearing platform above the water surface, a rectangular construction operation channel is provided in the middle position, and a excavation column for pouring foundation holes for excavating the column is arranged on the top of the rectangular construction operation channel. Hole equipment, a set of enclosure fixing devices are respectively arranged on the four sides of the bottom. In the present invention, an above-water bearing platform is set on the water surface, and then a through rectangular construction operation channel is arranged in the middle of the above-water bearing platform, and a hole-digging equipment is fixed at the center of the top of the rectangular construction operation channel, and a group of enclosures are respectively arranged on the four sides of the bottom Fixing device, using these four sets of retaining and fixing devices to form a water-retaining cofferdam for construction, which enables the staff to quickly build a cofferdam on the water-carrying platform. This method of retaining construction can save a lot of labor costs. Moreover, the installation and disassembly of the fence are very convenient, which greatly shortens the construction period.

Description

technical field [0001] The invention relates to the field of underwater construction operations, in particular to an auxiliary platform for underwater concrete column construction. Background technique [0002] In the prior art, some viewing trails are often erected in the shallow water area of ​​the river or lake for the purpose of landscape viewing near the river or lake. Build concrete columns for support. [0003] In the prior art, the first step in building a concrete column is to drill holes in the ground or excavate the foundation. Generally, it is easy to operate when constructing on the ground. It is easy to use drilling equipment to drill holes or directly excavate; but when When constructing concrete columns in underwater construction, due to the existence of water flow, it is difficult to operate whether it is drilling holes on the river bed or directly excavating. Generally, it is necessary to build a fence or cofferdam first and discharge the internal water. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02B17/00E21B7/124E21B15/02E21B10/43E21B10/44E21B21/00
CPCE02B17/00E21B7/124E21B10/43E21B10/44E21B15/003E21B15/02E21B21/001
Inventor ηŽ‹εš
Owner NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER