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Arc dentiform passive wheel

A passive wheel and circular arc technology, applied in the direction of belts/chains/gears, components with teeth, portable lifting devices, etc., can solve the problems of reducing the contact area of ​​the bucket belt, reducing material crushing, and unsatisfactory results

Inactive Publication Date: 2008-02-27
陈焕春
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are also slots on the pulley to reduce the contact area with the bucket belt and reduce the crushing of materials, the effect is not ideal

Method used

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  • Arc dentiform passive wheel

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Embodiment Construction

[0009] With reference to the attached drawings, the arc toothed driven wheel is designed as a web wheel, and its outer diameter D and inner hole d are selected according to the design parameters of the hoist. The arc-shaped passive wheel is designed to prevent the bucket belt from deviating, which is particularly important for bucket lifting. The web 2 is at the axial center of the hub 1, and a plurality of arc toothed plates 3 perpendicularly intersecting with the web 2 are designed on the outside of the web 2. The outer generatrix of the arc toothed plate 3 is an arc with a radius R, the width L is selected according to the bucket belt needs, the chord height h=1 to 3 mm, and when D is large, h takes a large value. According to the geometric relationship R=h / 2+L 2 / 8h. The plane M composed of arcs passes through the axis of the inner hole d of the pulley. The center of R is on the intersection of this plane and the center plane of the web 2. Figure 3 is a cross-sectional view of...

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PUM

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Abstract

The invention discloses an arc tooth driven wheel, which uses disc wheel, while the edge of arc plate has several vertical arc tooth plates; the outer generatrix of said arc tooth plate is a big arc whose plane M is through the axes of inner hole of belt wheel; the center of arc is at the cross line between the plane M and the central plane of disc plate; in the radial section that vertical to the plane M, the outer edge of arc tooth plate is a semi-circle, whose two edges are tangent with said semi-circle; the length of arc tooth plate is the axial width of driven wheel; the shape of said wheel is symmetry with the central plane of disc plate; and the driven is formed by several belt wheels whose arcs contact the winnowing pan belt lines. The invention keeps the property of former driven wheel and reduces the contact area between the driven wheel and the winnowing pan belt to reduce break rate of hopper lifter.

Description

Technical field [0001] The invention relates to parts of transportation machinery products, especially the passive wheel of a bucket elevator for food processing. Background technique [0002] Bucket elevator is a transportation machine that is widely used in grain processing, and is usually used for vertical transportation of materials. Especially in complete sets of grain processing equipment, bucket elevators are generally used to transport materials between process equipment. The bucket elevator uses the driving wheel of the upper bin and the passive wheel of the bottom bin to drive the bucket belt to move up and down, and the bucket on the bucket belt lifts the material to the upper bin and flows out at the discharge port. When working, the matching part of the driven wheel and the bucket belt is under the bottom bin and buried in the lifted material. In this way, the material can enter between the bucket belt and the driven wheel and be broken under the action of tension. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H55/36
Inventor 陈焕春
Owner 陈焕春