A kind of multi-layer composite large-scale plastic inspection well chamber and preparation method thereof

A plastic inspection well and composite technology, which is used in construction, artificial island, infrastructure engineering, etc., can solve the problems of complicated pressing mechanism and device, high mold design and manufacturing cost, large size of large plastic inspection well, etc. question

Active Publication Date: 2020-10-20
JIANGSU HIPPO PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a multi-layer composite large-scale plastic inspection well chamber and its preparation method, and solve the problem that the existing large-scale plastic inspection well chamber has a large external shape and size, and the mold design and high manufacturing costs, as well as the existing welding technology compression mechanism and complex problems

Method used

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  • A kind of multi-layer composite large-scale plastic inspection well chamber and preparation method thereof
  • A kind of multi-layer composite large-scale plastic inspection well chamber and preparation method thereof
  • A kind of multi-layer composite large-scale plastic inspection well chamber and preparation method thereof

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Embodiment 1

[0037] Embodiment 1: refer to Figure 1 to Figure 2It can be seen that a multi-layer composite large-scale plastic inspection well chamber includes a single-section well chamber 1 and a stiffener plate 2. The single-section well chamber 1 is set together by four cylindrical parts 101 and welded by laser transmission. Made, welding is convenient and firm. The single-section well chamber 1 is provided with five pieces, and the five pieces of the single-section well chamber 1 are sequentially welded together by coaxial laser transmission from top to bottom to form an integral well chamber. The horizontal and vertical sides of the outer wall of the well are respectively Uniform laser transmission welding with multiple stiffener plates 2 .

[0038] The thickness of the cylindrical parts 101 is 2.4 mm, the height is 500 mm, and the diameter is 1500-2000 mm. The gap between the circumferential surfaces of the cylindrical parts 101 is 0.1 mm, which facilitates the assembly of the cyl...

Embodiment 2

[0051] Embodiment 2: refer to figure 1 , image 3 It can be seen that a multi-layer composite large-scale plastic inspection well chamber includes a single-section well chamber 1 and a stiffener plate 2. The single-section well chamber 1 is set together by five cylindrical parts 101 and welded by laser transmission. Made, welding is convenient and firm. The single-section well chamber 1 is provided with five pieces, and the five pieces of the single-section well chamber 1 are sequentially welded together by coaxial laser transmission from top to bottom to form an integral well chamber. The horizontal and vertical sides of the outer wall of the well are respectively Uniform laser transmission welding with multiple stiffener plates 2 .

[0052] The cylindrical parts 101 have a thickness of 3 mm, a height of 500 mm, and a diameter of 1500-2000 mm. The gap between the circumferential surfaces of the cylindrical parts 101 is 0.25 mm, which facilitates the assembly of the cylindri...

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Abstract

The invention relates to a multi-layer combined-type large plastic inspection well chamber and a preparation method thereof. The multi-layer combined-type large plastic inspection well chamber comprises single-stage well chambers and stiffener plates. The multiple single-stage well chambers are formed by multiple cylindrical elements sleeved together and laser transmission welding. The integral well chamber is formed by the multiple single-stage well chambers through sequential and coaxial laser transmission welding from top to bottom. Multiple stiffener plates are respectively and uniformly welded on the outer wall of the well chamber in the horizontal and vertical directions through laser transmission welding. By using a laser transmission welding method, the cylindrical elements cooperate with one another to play a role of fixing and positioning a welded piece, so that the problems of pressing force and a hold-down mechanism are solved. The cylindrical elements are coordinately connected and welded. Latticed laser welded seams are distributed on a circumferential surface in the axial straight line and the circumferential directions. The bonding strength of the laser welded seamsis more than 60% of tensile strength of plastic matrix materials. Intensity, after multilayer thin-wall cylindrical elements are coordinately connected and welded, can meet the requirements of the well chamber. Modular and flexible manufacturing of the large plastic inspection well chamber can be achieved

Description

technical field [0001] The invention relates to the technical field of plastic inspection wells, in particular to a multilayer composite large-scale plastic inspection well chamber and a preparation method thereof. Background technique [0002] In recent years, in the construction of municipal water supply and drainage pipe network systems, the market demand for large plastic inspection wells with a diameter of more than 1.5 meters, a buried depth of more than 3 meters, and a wall thickness of 10-20 mm is increasing. , well chamber and well base, among which, the diameter of the large plastic inspection well chamber is more than 1.5 meters and the height is greater than 2 meters. Since the well chamber bears the side pressure of the surrounding soil during the installation and construction of the plastic inspection well and the impact pressure of road vehicles, The well chamber must have strong tensile and bending strength. For this reason, manufacturers usually set more rib...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D29/12B29C65/00B29C65/16
CPCB29C65/16B29C66/4312E02D29/121E02D29/124
Inventor 谭文胜谭方天孔泳吴志祥赖华清
Owner JIANGSU HIPPO PLASTICS
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