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Indirect sliding friction auxiliary apparatus

A sliding friction and auxiliary device technology, applied in the direction of bearing elements, shafts and bearings, rigid supports of bearing components, etc., can solve problems affecting the operation of the unit, and achieve the effect of solving induration and improving use efficiency.

Inactive Publication Date: 2014-06-04
HARBIN HONGSHENG ELECTRIC POWER EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the existence of many uncertain factors in production, installation and operation, this situation often becomes a hidden accident point
Cause slag to accumulate, if not repaired in time, it will affect the operation of the unit

Method used

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  • Indirect sliding friction auxiliary apparatus

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Embodiment Construction

[0008] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0009] Such as figure 1 As shown, the indirect sliding friction pair device includes a screw main shaft 1, a lower shaft inner sleeve 5, a lower shaft outer sleeve 4, a lower shaft seat 3, a water-cooled cover 2, the screw main shaft 1 is connected with the lower shaft inner sleeve 5, and the lower shaft inner sleeve 5 is connected with the lower shaft outer sleeve 4, the lower shaft outer sleeve 4 is connected with the lower shaft 3 seat, the lower shaft seat 3 is connected with the water-cooled cover 2, and the lower shaft inner sleeve 5 is a chrome-plated medium-carbon alloy steel processed by precision machining The component is machined with medium carbon alloy steel 40Cr, the outer surface is finished by grinding process, and it needs to be chrome-plated, which enhances the wear resistance, the inner surface is in contact with the screw s...

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PUM

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Abstract

The present invention discloses an indirect sliding friction auxiliary apparatus, which comprises a screw main shaft, a lower shaft inner sleeve, a lower shaft outer sleeve, a lower shaft base and a water cooling sealing cover, wherein the screw main shaft is connected with the lower shaft inner sleeve, the lower shaft inner sleeve is connected with the lower shaft outer sleeve, the lower shaft outer sleeve is connected with the lower shaft base, the lower shaft base is connected with the water cooling sealing cover, the lower shaft inner sleeve is a medium-carbon alloy steel member being subjected to chromium plating treatment and precise machining, and the lower shaft outer sleeve is a modified engineering plastic part being subjected to modification treatment and precise machining. The indirect sliding friction auxiliary apparatus has advantages of reasonable structure, simpleness, durability, easy installation, easy operation, good working environment, safety, reliability and the like.

Description

technical field [0001] The invention relates to an indirect sliding friction pair device, which is especially suitable for the lower body device of a spiral slagging machine for mechanically removing slag from boilers in thermal power plants. Background technique [0002] The slag removal system of thermal power plants is equipped with a set of spiral slag extractors at the lower part of the boiler furnace. The high-temperature slag falling from the furnace is cooled by cooling water, and then taken out by the spiral slag extractor, crushed by the slag crusher, and then falls into the slag ditch and flows into the slag. pulp pool. [0003] The lower body device of the wet screw slagging machine used in most occasions, that is, the lower bearing bush of the screw slag machine is made of nodular cast iron sleeve or non-ferrous metal sleeve, which is required to be wear-resistant and well sealed to ensure normal operation in slag water immersion , no dripping of slag water; t...

Claims

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Application Information

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IPC IPC(8): F16C35/10F16C33/14F16C37/00F16C33/20F23J1/02
Inventor 宋祥宇
Owner HARBIN HONGSHENG ELECTRIC POWER EQUIP
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