Welding table for manhole ring

Abstract

The invention discloses a welding table for a manhole ring. The welding table for the manhole ring comprises a desk welding table body and a manhole ring positioning plate on the upper surface of the welding table body in parallel. Baffles are vertically arranged on the left and right sides of the welding table body upward, respectively. The left and right sides of the manhole ring positioning plate are respectively connected on the inner sides of the baffles. The manhole ring positioning plate comprises two panels with arc-shaped curve brims which are spliced oppositely to form a circular hole. At least one of the panels is arranged inside the baffle in a sliding manner. The welding table for the manhole ring provided by the invention is used to place two half tool pieces of the manhole ring stably so that the two half tool pieces can be welded conveniently. In the welding process, the two half tool pieces are guaranteed smooth up and down and front and back and relative displacement is not generated. The manhole ring welded like this is smooth in surface and the serviceability safety is improved. The manhole ring is of certain height and is installed on a clamp plate to retain water.

Description

technical field [0001] The invention relates to a welding platform, in particular to a manhole circle welding platform. Background technique [0002] Ships usually have many compartments required for maintenance of the hull structure or piping system, such as bow compartment, stern compartment, cargo compartment, machinery compartment and boiler compartment. These cabins are usually arranged below the deck of the ship, and the staff need to pass through the manhole circle arranged on the deck to go up and down the deck. [0003] The manhole circle in the prior art is formed by directly cutting a circular hole on the deck, and its edge is very rough, which is easy to scratch the staff. In addition, there is often water on the deck of the ship due to factors such as waves beating during the ship's driving. The traditional manhole circle is flush with the deck and cannot play the role of water blocking. Most of the machines installed below the deck are equipped with oil, and...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a manhole ring welding station for manufacturing smooth and water-retaining manhole rings in order to overcome the defects that the manhole rings made in the prior art are unsafe and unable to block water

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