Water pier pile foundation construction platform

Abstract

The invention discloses an overwater pier pile foundation construction platform which is characterized in that the middle section of two rectangular construction holes is provided with a middle section panel formed by a plurality of first rectangular steel pipes fixed on a plurality of profile steel cross beams of the construction platform, and the two ends of each first rectangular steel pipe are movably sleeved with a second rectangular steel pipe respectively; a plurality of second rectangular steel pipes at the two ends form respective hole sealing covers for sealing respective rectangular construction holes or opening respective rectangular construction holes; four first micro winches synchronously pull each cross rod through a first steel wire rope, so that the hole sealing plates are switched and positioned in two states of sealing the rectangular construction holes or opening the rectangular construction holes; two second micro winches are symmetrically fixed to the steel supports on the two sides of the construction platform respectively, and the two second micro winches synchronously operate to pull the tail steel fence to be in a vertically closed state or put to be in a horizontal state. The construction platform can greatly reduce construction cost, improve operation space, enable construction operation to be convenient, and reduce potential safety hazards.

Description

technical field [0001] The invention relates to the technical field of water building construction, in particular to a water bridge pier pile foundation construction platform. Background technique [0002] In recent years, the construction of pile foundations for piers on water, such as the construction of bored piles, has increasingly relied on a steel structure construction platform, such as bearing pile drivers to lift steel bars, hoist steel cages, etc., workers need to irrigate on it. Concrete, auxiliary hoisting, pipe connection, hole cleaning, etc. The construction platform includes a plurality of steel pipe piles that surround the pier pile foundation and are inserted and fixed to the rock layer by underwater concrete, and a steel bracket composed of a plurality of steel longitudinal beams and steel transverse beams fixed on the plurality of steel pipe piles. A steel walking board composed of multiple steel plates on the top of the steel bracket. Steel fences are fi...

AI Technical Summary

Problems solved by technology

Seemingly simple things cost a lot, and each platform needs to be hoisted at least four times, and each platform needs to spend about 1,000 yuan for the crane shift fee and four workers, including the truck crane driver and the hoist. The labor cost of auxiliary personnel is about 2,000 yuan, and even if a bridge is only 700 meters long and has more than 50 construction platforms, then 3,000 yuan * 50 is 150,000 yuan or more, and the lifting cost is too high

2. During the steel plate lifting process, besides the driver of the truck crane, several workers are required to assist in the operation. The area of ​​the construction platform is inherently small, and the crawler pile driver occupies a large space. The operating space is very limited, and the actual operation is very difficult. It is inconvenient, and there is no place to put it on the suspended steel plate construction platform. The negative impact of placing it on the steel temporary bridge as a traffic artery can be imagined

3. The original construction platform is narrow and small, and the steel plate crane is moved around, which is easy to touch and damage steel fences and other facilities, and it is also easy to hurt people, posing safety hazards

4. There are four upwardly protruding ear plates on each steel plate, and there are eight upwardly protruding ear plates on two steel plates, which are obstacles to the walking of the crawler pile driver and the walking of construction personnel before and after construction , there are also security risks

Its operating space is very limited, the actual operation process is very inconvenient, time-consuming, labor-intensive, labor-intensive, and there are potential safety hazards. For example, sometimes the operator falls into the water due to the steel fence at the end.

[0008] That is, the construction cost of the pile foundation construction platform of the bridge pier above the water in the prior art is expensive, the operating space is very limited, the actual operation is very inconvenient, and there are potential safety hazards

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