Manufacturing method of multi-direction four-anchor-head integral steel anchor beam
A manufacturing method and technology of four anchor heads, which are applied in the directions of bridges, bridge construction, bridge parts, etc., can solve the problems of unsuitable multi-directional four anchor head integral steel anchor beams, etc., to ensure firmness, ensure assembly and welding, reduce The effect of quadratic scribing error
Active Publication Date: 2017-10-17
中铁山桥(南通)有限公司
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At the same time, due to the particularity of this bridge, the multi-directional four-anchor-head integral steel anchor beam is selected, while the existing steel anchor beams used for bridges are generally double-anchor-head steel anchor beams, such as figure 1 As shown, the double anchor head steel anchor beam is composed of web 1 ， , bottom plate 2 ， , Roof flange plate 3 ， , web stiffener 4 ， , inner partition 5 ， , pallet 6 ， , Stiffener plate under anchor 7 ， and anchor plate 8 ， Composition, according to the structural characteristics of the steel anchor beam, the web 1 ， And under the anchor stiffener 7 ， It is made into a unit, and other components are assembled on a special tire frame after parts blanking and machining; but this manufacturing process is not suitable for the production of multi-directional four-anchor head integral steel anchor beams
[0004] Therefore be badly in need of developing a kind of manufacturing method simple, easy to operate and high-precision bridge multi-directional four-anchor head integral steel anchor beam manufacturing method, after searching, no technical solution identical or similar to the present invention has been found
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[0029] In this embodiment, the manufacturing method of the multi-directional four-anchor head integral steel anchor beam comprises the following steps:
[0030] (1) Fabrication of web unit 1: eg figure 2 As shown, the blanked steel plate is precisely cut by CNC flame, and the two ends of one side of the steel plate are symmetrically formed with inclined planes 11 connected with the two ends of the steel plate, and then leveled with a plate catcher to strictly control the flatness ≤ 0.3mm, and then Bevel processing is performed on the side that is cut with a bevel, and then an arc-shaped groove 12 is formed at the center of the side with the inclination, based on the central axis and the machined edge line of the steel plate with the arc-shaped groove, using The marking needle draws the center line at the central axis of the steel plate, draws the bolt hole position lines on both sides of the steel plate, and draws the anchor head assembly position line on the steel plate, and...
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Abstract
The invention relates to a manufacturing method of a multi-direction four-anchor-head integral steel anchor beam. The manufacturing method comprises the following steps of (1) manufacturing of a web unit, (2) manufacturing of a bottom board unit, (3) manufacturing of an anchor backing plate, (4) assembly welding of an anchor head unit, (5) assembly of the web unit with the anchor head unit, (6) assembly of the bottom board unit, and (7) assembly of other functional boards. The manufacturing method of the multi-direction four-anchor-head integral steel anchor beam has the advantages that the manufacturing method mainly comprises the steps of manufacturing of the web unit, manufacturing of the bottom board unit, manufacturing of the anchor backing plate, assembly welding of the anchor head unit, assembly of the web unit with the anchor head unit, assembly of the bottom board unit, and assembly of other functional boards, the manufacturing process is reasonable, and the manufacturing quality and assembly welding smoothness are ensured. The manufacturing method further has the advantages of being simple, convenient to implement and high in precision.
Description
technical field [0001] The invention belongs to the technical field of bridge manufacture, and in particular relates to a method for manufacturing an integral steel anchor beam with multi-directional four anchor heads. Background technique [0002] With the rapid development of social economy, the pressure of land transportation is becoming more and more prominent. In order to solve this pressure, it is imperative to build a large number of railways, expressways and other projects. The use of bridges is becoming inevitable, and people are also designing the structures of bridges with different distances. [0003] Among the bridges studied by the present invention, the main bridge is a cable-stayed bridge with double towers, double cable planes, high and low towers, steel box and steel truss composite girders, with a total length of 1234.6m. The bridge deck adopts a double-layer design. . The span layout is: (99.3+238+588+224+85.3) m, the upper layer of the main girder is a...
Claims
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IPC IPC(8): B23P15/00E01D19/00
CPCB23P15/00E01D19/00
Inventor 陈方能那宪伟王悦程田正兰王建国许超众
Owner 中铁山桥(南通)有限公司
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