Mounting method of water collector

Abstract

The invention relates to the technical field of overwater collector installation, in particular to an overwater collector installation method, a plurality of vertical piles form a pile foundation array, an anti-rust steel plate is laid on the pile foundation array to form an overwater steel platform, compared with a traditional wall-mounted single pile system, the overwater collector installation method is more stable, and the overwater steel platform is convenient and flexible to construct and install, stable in structure and high in strength; and the safety risk of installation and maintenance is reduced. The submersible type negative pressure collector is installed through construction of the water steel platform, the installation stability of the collector is improved, the overhaul risk is reduced, and then the installation quality of the collector is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of the installation of water collectors, and specifically to a method for installing a water collector. Background Art

[0002] With the increasing urgency of the global water pollution control demand, the application of various automatic surface floating debris collection devices in water environmental protection projects has shown a rapid growth trend. Such devices usually need to be exposed to a dynamic hydrological environment for a long time, and the reliability of their installation structure and the convenience of maintenance are directly related to the treatment effect.

[0003] The current mainstream installation methods mostly adopt the shore-mounted wall-mounted scheme. As a common solution, the wall-mounted installation can fix the device, but its structural system has significant defects. This process relies on the building load-bearing structure for load transfer, and intensive drilling operations need to be carried out on the surface of the wharf revetment or pier during construction. If the construction is improper, it may damage the building structure and affect the overall stability. Summary of the Invention

[0004] The present invention aims to solve the above problems, and thus provides a method for installing a water collector.

[0005] The technical solution adopted by the present invention to solve the above problems is as follows: A method for installing a water collector is carried out according to the following steps: Step 1: Use a total station for positioning and measurement to determine the layout coordinates of steel pipe piles, and form a rectangular pile foundation array composed of four vertical piles; Step 2: Use a pile driver to vertically drive the steel pipe piles into the riverbed, and the pile bottom penetrates into the riverbed by no less than 4 m; Step 3: Cut and level the top of the steel pipe piles, and install annular stiffening rib plates at a preset height on the pile body of the steel pipe piles; Step 4: Lay an anti-rust steel plate above the rectangular pile foundation array. After double-sided bevel pretreatment of the anti-rust steel plate, the anti-rust steel plate and the pile top are fully penetrated and welded by submerged arc welding to construct a steel platform with a flatness error ≤ 3 mm; Step 5: Set pre-assembled collection box mounting angles and a support frame for the control system assembly on the upper surface of the steel platform, and the installation height of the control system assembly is higher than the annual highest water level line; Step 6: Lift and install the pre-assembled collection box and the control system assembly in place.

[0006] The steel pipe piles are composed of single sections or multiple sections butt-jointed.

[0007] When the steel pipe piles are composed of multiple sections butt-jointed, the outer circumference of the weld between adjacent two sections is welded with the same annular plate, and stiffening ribs are arranged between the annular plate and the two steel pipe piles; the connection strength of multiple pipe butt-joints is increased, and the bending of the steel pipe piles during the pile insertion process is avoided.

[0008] A circular bottom plate is arranged inside the steel pipe pile and near the position of the insertion end port. A triangular stiffening plate is arranged between the circular bottom plate and the inner wall of the steel pipe pile near the port; the strength of the pile opening at the insertion end is increased to prevent the pile opening from deforming during the pile insertion process and making it difficult to insert into the riverbed.

[0009] The present invention adopting the above technical solution, compared with the prior art, its prominent features are: The present invention forms a pile foundation array through multiple vertical piles, and then lays an anti-rust steel plate on the top to form an offshore steel platform. It is more stable than the single-pile system installed in the traditional wall-mounted manner. The construction and installation of the offshore steel platform are convenient and flexible, with stable structure and high strength, reducing the safety risks of installation and maintenance. By constructing and installing a submersible negative pressure collector through the offshore steel platform, the stability of the collector installation is improved, the maintenance risk is reduced, and thus the installation quality of the collector is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the main structure of an embodiment of the present invention; Figure 2 It is a schematic top view structure diagram of an embodiment of the present invention; Figure 3 It is a schematic diagram of the structure of the insertion end of the steel pipe pile of an embodiment of the present invention; Figure 4 It is a schematic diagram of the connection structure of the steel pipe pile of an embodiment of the present invention; The marks in the figure are: steel pipe pile 1, circular bottom plate 2, stiffening plate 3, annular disc 4, anti-rust steel plate 5, control system assembly support frame 6, collection box mounting angle 7, collection box 8, control system total 9, riverbed 10, perennial highest water level line 11. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0011] The following further illustrates the present invention with reference to embodiments. The purpose is only to better understand the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0012] Refer to Figures 1 - 4 , an installation method of an offshore collector, which is carried out according to the following steps: Step 1: Use a total station for positioning measurement to determine the layout coordinates of the steel pipe piles 1 to form a rectangular pile foundation array composed of four vertical piles; construct a rectangular pile foundation array through the four vertical piles, and combine with the annular stiffening ribs (spacing 0.8 - 1.2 m) distributed along the pile body gradient to form a three-dimensional constraint structure. Improve its lateral stiffness and reduce the pile top displacement.

[0013] Step 2: Use a pile driver to vertically drive the steel pipe piles 1 into the riverbed 10, and the pile bottom penetrates into the riverbed 10 by no less than 4 m; Step 3: Cut and level the top of the steel pipe pile 1, and install annular reinforcing rib plates at a preset height on the pile body of the steel pipe pile 1; Step 4: Lay an anti-rust steel plate 5 above the rectangular pile foundation array. After double-sided bevel pretreatment of the anti-rust steel plate 5, the anti-rust steel plate 5 is fully penetrated and welded to the pile top through the submerged arc welding process to construct a steel platform with a flatness error ≤ 3 mm; Step 5: Set pre-assembled collection box mounting angles 7 and a control system assembly support frame 6 on the upper surface of the steel platform. The installation height of the control system assembly 9 is higher than the perennial highest water level line 11; Step 6: Lift and install the pre-assembled collection box 8 and the control system assembly 9 in place.

[0014] The steel pipe pile 1 is composed of single or multiple joints butt-jointed.

[0015] The steel pipe pile 1 is composed of multiple joints butt-jointed. An annular disc 4 is welded to the outer periphery of the weld between two adjacent joints, and reinforcing ribs 3 are provided between the annular disc 4 and the two steel pipe piles 1; the connection strength of multiple pipe butt-joints is increased to prevent the steel pipe pile 1 from bending during the pile driving process.

[0016] A ring-shaped bottom plate 2 is arranged inside the steel pipe pile 1 and near the port of the insertion end. A triangular stiffening plate 3 is arranged between the ring-shaped bottom plate 2 and the inner wall of the steel pipe pile 1 near the port; the strength of the pile mouth at the insertion end is increased to prevent the pile mouth from deforming during the pile driving process and being difficult to insert into the riverbed; the combination of the ring-shaped bottom plate (thickness 20 mm) and six triangular stiffening plates (plate thickness 12 mm) arranged at the pile body insertion end forms a conical anti-deformation structure. The hydraulic model test shows that this design increases the stiffness of the pile mouth section by 3.2 times, reduces the peak penetration resistance in the dense sand layer by 18%, and controls the ellipticity deformation of the pile end within 0.5%.

[0017] In the present invention, a pile foundation array is formed by multiple vertical piles, and then an anti-rust steel plate is laid above to form an above-water steel platform, which is more stable than the single-pile system installed in the traditional wall-mounted manner. The construction of the above-water steel platform is convenient and flexible, with stable structure and high strength, reducing the safety risks of installation and maintenance. By constructing and installing the submersible negative pressure collector through the above-water steel platform, the installation stability of the collector is improved, the maintenance risk is reduced, and thus the installation quality of the collector is effectively improved.

[0018] The above are only the preferred and feasible embodiments of the present invention, and do not limit the scope of rights of the present invention. Any equivalent changes made by using the content of the specification and drawings of the present invention are included in the scope of rights of the present invention.

Claims

1. A method for installing an above-water collector, characterized in that: Follow these steps: Step 1: Use a total station to perform positioning measurement to determine the layout coordinates of the steel pipe piles to form a rectangular pile foundation array consisting of four vertical piles; Step 2: Use a pile driver to drive the steel pipe pile vertically into the riverbed, with the bottom of the pile penetrating no less than 4m into the riverbed; Step 3: Cut and level the top of the steel pipe pile, and install an annular reinforcing rib at a preset height of the steel pipe pile body; Step 4: Lay an anti-rust steel plate on top of the rectangular pile foundation array, perform double-sided groove pretreatment on the anti-rust steel plate, and then use submerged arc welding to form a full penetration weld between the anti-rust steel plate and the pile top to construct a steel platform with a flatness error of ≤3mm; Step 5: Install the pre-assembled collection box installation angle and control system assembly support frame on the upper surface of the steel platform. The installation height of the control system assembly is higher than the highest water level throughout the year. Step 6: Lift the pre-assembled collection box and control system assembly into place.

2. The method for installing an above-water collector according to claim 1, characterized in that: The steel pipe pile is composed of a single section or multiple sections connected together.

3. The method for installing an above-water collector according to claim 2, characterized in that: The steel pipe pile is composed of multiple butt-jointed sections, a same annular disk is welded on the outer periphery of the weld between two adjacent sections, and reinforcing ribs are arranged between the annular disk and the two sections of the steel pipe pile.

4. The method for installing an above-water collector according to claim 1, characterized in that: An annular bottom plate is arranged inside the steel pipe pile and near the insertion end port, and a triangular stiffening plate is arranged between the annular bottom plate and the inner wall of the steel pipe pile near the port.

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