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Evaluation method for impact resistance of conveyor belts

A technology of impact resistance and evaluation method, which is applied in the field of impact resistance evaluation of conveyor belts to achieve high-precision impact resistance

Active Publication Date: 2019-12-20
THE YOKOHAMA RUBBER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, even within the settable range of these conditions, there is a range in which the impact resistance of the actual conveyor belt can be reproduced with high accuracy and a range in which the reproducibility deteriorates.

Method used

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  • Evaluation method for impact resistance of conveyor belts
  • Evaluation method for impact resistance of conveyor belts
  • Evaluation method for impact resistance of conveyor belts

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Experimental program
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Embodiment Construction

[0024] Hereinafter, the impact resistance evaluation method of the conveyor belt of this invention is demonstrated based on embodiment shown in drawing.

[0025] exist figure 1 In the conveyor line shown as an example, the conveyed object C conveyed by the other conveyer belt 7 is put into the conveyer belt 1, and it is conveyed by this conveyer belt 1 to a conveyance destination. Carried objects C may also be thrown into the conveyor belt 1 through a hopper or the like. The conveyor belt 1 is stretched between the pulleys 5a, 5b, and tensioned with a predetermined tension.

[0026] Such as figure 2 As illustrated, the conveyor belt 1 includes an upper covering rubber 3 , a lower covering rubber 4 , and a core layer 2 made of a core such as canvas or steel cord, and the upper covering rubber 3 and the lower covering rubber 4 sandwich the core. body layer 2. The core layer 2 is a member that bears tension for setting the conveyor belt 1 under tension. The lower rubber 4 i...

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Abstract

Provided is a conveyor-belt impact-resistance assessment method for a conveyor belt that satisfies usage conditions, with which it is possible to ascertain the impact resistance thereof in a highly precise and efficient manner. A database DB is created, in which application ranges (ZV1-ZV5), (ZF1-ZF5), and (ZA1-ZA5) of collision velocities V, collision loads F, and contact areas A are respectively set for test samples of impacting bodies with respect to multiple types of impact test methods for a conveyor belt 1; a collision velocity Vr, a collision load Fr, and a contact area Ar with respect to the conveyor belt 1 are acquired for a conveying object C that is put on an actual conveyor line; on the basis of the acquired results and the database DB, a test method for which the acquired results fall within the application ranges of the collision velocity V, the collision load F, and the contact area A is selected from among the multiple types of test methods; and an impact test is performed by setting the collision velocity V, the collision load F, and the contact area A of the selected test method so as to fall within ranges that can be considered to be identical to the acquired results.

Description

technical field [0001] The present invention relates to a method for evaluating the impact resistance of a conveyor belt, and more specifically, to a method for evaluating the impact resistance of a conveyor belt that can effectively grasp the impact resistance of a conveyor belt that meets usage conditions with high precision. Background technique [0002] Various objects represented by mineral resources such as iron ore and limestone are transported by conveyor belts. In the case of conveying an object by the conveyor belt, the conveyed object is dropped into the rubber covering of the conveyor belt from a hopper and / or another conveyor belt. The loaded cargo is loaded on the rubber cover and conveyed along the conveying direction of the conveyor belt. When a load is thrown into the cover rubber of the conveyor belt, the cover rubber is impacted, and if the surface of the load is sharp, cuts may occur. The size and / or damage type of cuts on the covering rubber due to loa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N3/303
CPCG01N3/303
Inventor 邹德庆
Owner THE YOKOHAMA RUBBER CO LTD
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