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High-strength hoisting pulley

A lifting pulley, high-strength technology, applied in the direction of belts/chains/gears, portable lifting devices, load hanging components, etc., can solve the problems of easy casting defects, high scrap rate, and poor thickness of groove parts, etc., to achieve The effect of avoiding casting defects, reasonable structure and scientific design

Inactive Publication Date: 2014-02-26
TIANJIN BAO HONGYUAN MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the front and back surfaces of the pulleys used for opening hatches or cranes are grooved. Since the pulleys are made by casting process, the thickness of the grooves is different, so casting defects are prone to occur, resulting in a relatively high scrap rate.

Method used

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Embodiment Construction

[0012] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be noted that the embodiments are illustrative, not restrictive, and cannot limit the protection scope of the present invention.

[0013] A high-strength hoisting pulley comprises a disc 1, a through hole 2 is formed on the axis of the disc, and an annular guide groove 3 is formed on the side wall of the disc. The innovation of the present invention is that: the front and back of the disc are smooth plate structures, and the disc is a Q345B manganese steel disc.

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Abstract

The invention relates to a high-strength hoisting pulley. The high-strength hoisting pulley comprises a disc. A through hole is formed in the axial center of the disc, an annular guide groove is formed in the side wall of the disc, and both the front face of the disc and the back face of the disc are of a smooth panel structure. The high-strength hoisting pulley is scientific in design, reasonable in structure, easy to manufacture and high in practicability. The surfaces of the disc of the pulley are of the panel structure, the disc is made of manganese steel materials, and therefore the strength is ensured, meanwhile, the casting defects are overcome, and the quality and the percent of pass of products are improved.

Description

technical field [0001] The invention relates to the field of pulleys, in particular to a high-strength lifting pulley. Background technique [0002] At present, the front and back surfaces of the pulleys used to open hatches or cranes are grooved. Since the pulleys are made by casting process, the thickness of the grooves is different, so casting defects are prone to occur, resulting in a relatively high scrap rate. Contents of the invention [0003] The object of the present invention is to provide a high-strength lifting pulley with reasonable design, simple structure and high yield. [0004] The purpose of the present invention is achieved by the following technical means: [0005] A high-strength lifting pulley, including a disc, the axis of the disc is made with a through hole, and the side wall of the disc is made with a ring-shaped guide groove. It is characterized in that the front and back of the disc are smooth flat plates . [0006] Moreover, the disc is a Q3...

Claims

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Application Information

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IPC IPC(8): F16H55/50B66C13/00
CPCF16H55/50B66C13/00
Inventor 王振胜陈静波
Owner TIANJIN BAO HONGYUAN MACHINERY MFG
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