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Roller built in double-brake flange for large towing winch and manufacturing method thereof

A double-brake wheel and manufacturing method technology, which is applied in the manufacture of tools, ships, welding equipment, etc., can solve the problems of heavy weight, high manufacturing difficulty, and easy to increase difficulty in use, and achieve light weight, low manufacturing difficulty, and reduce manufacturing costs. The effect of procurement difficulty

Active Publication Date: 2014-04-09
WUHAN MARINE MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to overcome the defects and problems existing in the prior art that the quality is heavy, it is easy to increase the difficulty of use, and the difficulty of manufacture is high, and to provide a large-scale tow cable with light weight, no difficulty of increase in use, and low difficulty of manufacture Roller with built-in double brake rim for machine and manufacturing method thereof

Method used

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  • Roller built in double-brake flange for large towing winch and manufacturing method thereof
  • Roller built in double-brake flange for large towing winch and manufacturing method thereof
  • Roller built in double-brake flange for large towing winch and manufacturing method thereof

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preparation example Construction

[0059] 2. Regarding the preheating and annealing in "Preparation of end-disk integration":

[0060] In the present invention, during the assembly process of the end plate integration 2 and the cylinder body 1, before and after the welding of the side plate 21 and the cylinder shaft 23, they need to be preheated and annealed. The reason is that:

[0061] The side plate 21 and the cylindrical shaft 23 are generally made of medium carbon high-strength steel, and the thickness of the side plate 21 and the cylindrical shaft 23 is relatively thick. In order to ensure the welding quality and prevent cracks on the side plate 21 and the cylindrical shaft 23 during welding, this The invention preheats and anneals the side plate 21 and the cylinder shaft 23 before and after welding, so that not only can effectively avoid the occurrence of cracks, but also can obtain a better welding effect and ensure the firmness of the connection.

[0062] 3. About the correction in "Welding and Correct...

Embodiment

[0065] The present invention is applied to the test and verification of a 500-ton towline crane. The height of the drum is 3014mm, the length is 4270mm, and the weight is 42.5 tons. The following describes this embodiment from the two aspects of the overall structure and the manufacturing method:

[0066] the whole frame:

[0067] see figure 1 , a drum with built-in double brake rims for a large towing machine, the drum includes a cylinder body 1, an integrated end disc 2 and an integrated brake rim 3, and the integrated brake rim 3 and the integrated end disc 2 are set in one-to-one correspondence , and the brake rim integration 3 is located on the inner side of the end disc integration 2;

[0068] The end plate integration 2 includes a side plate 21, a rib plate 22 and a cylinder shaft 23, one side of the side plate 21 is connected with the cylinder body 1, and the other side is connected with eight rib plates 22, and the eight rib plates 22 are evenly arranged along the s...

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Abstract

The invention relates to a roller built in a double-brake flange for a large towing winch. The roller adopts a double-brake flange built-in structure and comprises a roller body, end plate assemblies and brake flange assemblies, wherein the end plate assemblies and the brake flange assemblies are correspondingly arranged; each brake flange assembly is positioned at the inner side of the corresponding end plate assembly and comprises side plates, rib plates and roller shafts; and each brake flange assembly comprises brake flanges and supporting plates. The manufacturing method comprises the following steps in sequence: part preparation, brake flange assembly preparation, end plate assembly preparation, final assembly, and welding and correction. Not only is the whole process clear and easy to operate, but also the manufactured roller is lighter in mass. The roller has the advantages of lighter weight, lower manufacturing difficulty, higher safety and suitability for reduction of use difficulty.

Description

technical field [0001] The invention relates to a roller for a large towing machine, in particular to a roller with a built-in double-brake rim for a large towing machine and a manufacturing method thereof, which is particularly suitable for lowering the roller on the basis of meeting the force requirements of a large towing machine. the quality of. Background technique [0002] The towing crane is an important large-scale equipment used on marine engineering ships. At present, the domestic large-scale towing cranes over 100 tons are basically monopolized by foreign manufacturers, especially the super-large towing cranes of 500 tons. The drum assembly is the key equipment for braking and transmitting power of the towline machine. The drum assembly is mainly composed of a drum, a low-speed gear and a rope pressing block assembly. Among them, the drum is the key stress-bearing part. Due to the large load force, the drum structure The mass is very large, which increases the di...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B21/14B23P15/00B23K31/02
Inventor 华霖杨新明王良涂泽文程文池吴勇陈刚邵刚胡意中黎明智
Owner WUHAN MARINE MACHINERY PLANT
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