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Preparation method of a road construction machinery crushing device

A technology for mechanical crushing and road construction, applied in grain processing and other directions, can solve the problem of not fully adapting to the application requirements of road construction materials, and achieve the effect of enhanced hardness and enhanced collision

Active Publication Date: 2019-03-29
陶珍珍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During road construction, it is often necessary to crush materials, which are often hard materials such as stones. Currently, the crushing devices used either use cemented carbide or high-strength steel, but the materials used are not specifically for It is specially set for specific materials required for road construction, and does not fully meet the application requirements of road construction materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method for preparing a road construction machinery crushing device, the road construction machinery crushing device includes a crushing cavity shell, a front end bearing, a rear end bearing, a crushing shaft and crushing teeth.

[0028] The crushing shaft is laterally installed in the shell of the crushing cavity through a front end bearing and a rear end bearing, and the crushing teeth are distributed on the crushing shaft.

[0029] The crushing tooth includes a crushing tooth body and a rubber head arranged on the top of the crushing tooth, the rubber head is arranged on a triangular plane, and the bottom end is fixedly connected to the crushing tooth body; the crushing tooth body is integrated with the crushing shaft forming.

[0030] The length of the rubber head is 1 / 2 of the length of the crushing tooth body.

[0031] The material of the crushing shaft and the crushing tooth body is hard steel, and the hard steel is calculated by mass percentage: C: 0.82%, Si: ...

Embodiment 2

[0044] A method for preparing a road construction machinery crushing device, the road construction machinery crushing device includes a crushing cavity shell, a front end bearing, a rear end bearing, a crushing shaft and crushing teeth.

[0045] The crushing shaft is laterally installed in the shell of the crushing cavity through a front end bearing and a rear end bearing, and the crushing teeth are distributed on the crushing shaft.

[0046] The crushing tooth includes a crushing tooth body and a rubber head arranged on the top of the crushing tooth, the rubber head is arranged on a triangular plane, and the bottom end is fixedly connected to the crushing tooth body; the crushing tooth body is integrated with the crushing shaft forming.

[0047] The length of the rubber head is 58% of the length of the crushing tooth body.

[0048]The material of the crushing shaft and the crushing tooth body is hard steel, and the hard steel is calculated by mass percentage: C: 0.9%, Si: 0....

Embodiment 3

[0061] A method for preparing a road construction machinery crushing device, the road construction machinery crushing device includes a crushing cavity shell, a front end bearing, a rear end bearing, a crushing shaft and crushing teeth.

[0062] The crushing shaft is laterally installed in the shell of the crushing cavity through a front end bearing and a rear end bearing, and the crushing teeth are distributed on the crushing shaft.

[0063] The crushing tooth includes a crushing tooth body and a rubber head arranged on the top of the crushing tooth, the rubber head is arranged on a triangular plane, and the bottom end is fixedly connected to the crushing tooth body; the crushing tooth body is integrated with the crushing shaft forming.

[0064] The length of the rubber head is 60% of the length of the crushing tooth body.

[0065] The crushing tooth body is provided with a rubber head installation hole at the top.

[0066] The material of the crushing shaft and the crushin...

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Abstract

The invention relates to a production method of a breaking device of road construction machinery. The breaking device of road construction machinery comprises a breaking cavity shell, a front-end bearing, a rear-end bearing, a breaking shaft and breaking teeth. Through smelting, die casting and heat treatment including segmented heating, cooling, secondary heating and cooling, homogenizing and secondary homogenizing, the WC strengthened particles in the breaking teeth of the breaking device are enriched, and the durability of the breaking device is ensured.

Description

technical field [0001] The invention belongs to the field of road construction and construction, and in particular relates to a preparation method of a crushing device for road construction machinery. Background technique [0002] During road construction, it is often necessary to crush materials, which are often hard materials such as stones. Currently, the crushing devices used either use hard alloy or high-strength steel, but the materials used are not specifically for It is specially set for specific materials required for road construction, and does not fully meet the application requirements of road construction materials. Contents of the invention [0003] The invention proposes a method for preparing a crushing device for road construction machinery. [0004] It is achieved through the following technical means: [0005] A method for preparing a road construction machinery crushing device, the road construction machinery crushing device includes a crushing cavity...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C23/00C22C38/04C22C38/02C22C38/44C22C38/50C22C38/48C22C38/52C22C33/04C21D1/18C21D6/04
CPCB02C23/00C21D1/18C21D6/004C21D6/04C22C33/04C22C38/005C22C38/02C22C38/04C22C38/44C22C38/48C22C38/50C22C38/52
Inventor 郭帅
Owner 陶珍珍