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Elevator wrapping belt traction wheel and manufacturing method

A manufacturing method and technology of traction wheels, which are applied in the field of traction wheels, can solve the problems of reduced traction performance, large decrease in traction performance, and reduced surface roughness of traction wheels, etc., and achieve the effect of good bonding force

Active Publication Date: 2021-06-15
HITACHI ELEVATOR CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the purpose of the present invention is to solve one of the above technical problems at least to a certain extent. On the one hand, it provides a coated belt traction pulley, which reduces the third work of the elevator when the contact surface between the traction pulley and the cover belt is clean. In this case, the risk of the elevator car being lifted solves the problem that the traction performance drops greatly when the contact surface between the traction sheave and the covering belt is polluted by grease; on the other hand, it provides a method for manufacturing the traction sheave with the covering belt , to solve the problem that the roughness of the surface of the traction wheel is easily reduced when the coating is applied, which leads to the reduction of the traction performance

Method used

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  • Elevator wrapping belt traction wheel and manufacturing method
  • Elevator wrapping belt traction wheel and manufacturing method

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Embodiment Construction

[0048] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0049] Such as figure 1 and figure 2 As shown, an elevator sheave sheave, said sheave 10 includes a traction surface 101 for engaging and driving said sheath belt 20, said traction surface 101 has one or more, said traction surface 101 It can be a convex contact surface or a flat contact surface; a plurality of traction surfaces 101 can be separated by bosses 102 ; both ends of the traction wheel 10 are limited by flanges 103 . The traction surface 101 has tiny pits and protrusions, and is covered with a protectiv...

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Abstract

The invention discloses an elevator wrapping belt traction wheel and a manufacturing method. The traction wheel involves a traction surface used for being connected to and driving a wrapping belt, the traction surface is provided with tiny pits and protrusions and covered with a protective layer, the arithmetic mean roughness of the traction surface in the circumferential direction is 3 micrometers-8 micrometers, the manufacturing method comprises the following steps that the traction wheel is formed, and the traction surface of the traction wheel is subjected to sand blasting treatment and QPQ salt bath tufftriding treatment to form a protection layer. According to the elevator wrapping belt traction wheel and the manufacturing method, the traction wheel provided the characteristics of stable friction coefficient and excellent corrosion resistance and wear resistance.

Description

technical field [0001] The invention relates to the technical field of traction sheaves, in particular to an elevator coated belt traction sheave and a manufacturing method thereof. Background technique [0002] In the elevator components, the traction wheel will drive the covering belt to run, thereby driving the elevator car and counterweight to run up and down, and keeping the car and counterweight from falling; when the surface of the traction wheel is accidentally stained with oil, water, dust and other pollutants After that, the coefficient of friction between the traction wheel and the covering belt will become smaller, and the traction force between the traction wheel and the covering belt will be reduced, which may cause the risk that the traction force is not enough to drive the car or keep the car stationary . Therefore, in order to ensure the traction force after the surface of the traction wheel is polluted, it is usually necessary to form a certain roughness i...

Claims

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Application Information

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IPC IPC(8): B66B11/08F16H55/38F16H55/48B24C1/10C23C8/58
CPCB66B11/008F16H55/38F16H55/48B24C1/10C23C8/58F16H2055/363
Inventor 曹长青潘浩王泽伟方兴林张金荣
Owner HITACHI ELEVATOR CHINA
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