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Asphalt pavement in-place hot recycling harrowing plow-shaped harrow tooth device and application of device in harrowing paving vehicle

A technology of asphalt pavement and rake teeth, which is used in automatic rake adjustment of depth and leveling functions. It can solve problems such as wear of the integrated cutter head, achieve good practicability and economy, improve economic performance, and reduce use costs.

Pending Publication Date: 2020-02-14
JIANGSU AOXIN SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The one-piece cutter head wears out, often requiring replacement of the entire rake

Method used

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  • Asphalt pavement in-place hot recycling harrowing plow-shaped harrow tooth device and application of device in harrowing paving vehicle
  • Asphalt pavement in-place hot recycling harrowing plow-shaped harrow tooth device and application of device in harrowing paving vehicle
  • Asphalt pavement in-place hot recycling harrowing plow-shaped harrow tooth device and application of device in harrowing paving vehicle

Examples

Experimental program
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Embodiment Construction

[0025] A plow-shaped rake tooth device for in-situ thermal regeneration of asphalt pavement, comprising correspondingly arranged raking frames 1 5 and 9 The horizontal distance between them is provided with a corresponding vertical drive device to adjust the longitudinal height and raking depth of raking frame one 5 and raking frame two 9;

[0026] The first rake frame 5 and the second rake frame 9 all include a rake tooth unit 61 for raking, and the rake tooth unit 61 is arranged on the first rake frame 5 and the second rake frame by an elastic adjustment mechanism. 9 on.

[0027] The horizontal driving device includes a telescopic oil cylinder 10, and a sliding shaft 2 driven by the telescopic oil cylinder 10 to drive the first raking frame 1 and the second raking frame 9 to move horizontally.

[0028] The vertical driving device includes a lifting main oil cylinder 7 for driving the first 5 raking frame and the second 9 raking frame, and the height adjustment for adjusting...

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Abstract

The invention discloses an asphalt pavement in-place hot recycling harrowing plow-shaped harrow tooth device and the application of the device in a harrowing paving vehicle. The device comprises a harrowing frame I and a harrowing frame II which are correspondingly arranged, a corresponding horizontal driving device is arranged to adjust the horizontal distance between the harrowing frame I and the harrowing frame II, and a corresponding vertical driving device is arranged to adjust the vertical heights of the harrowing frame I and the harrowing frame II and the harrowing depth; and the harrowing frame I and the harrowing frame II comprise harrow tooth units used for harrowing, and the harrow tooth units are arranged on the harrowing frame I and the harrowing frame II through elastic adjusting mechanisms. According to the asphalt pavement in-place hot recycling harrowing plow-shaped harrow tooth device and the application of the device in the harrowing paving vehicle, through effectiveand reasonable adjustment of the degrees of freedom in different directions of the harrow tooth units, the harrowing requirements of different pavements can be adapted; and meanwhile, due to the elastic arrangement of harrow teeth, so that when obstacles or other harrowing resistance are encountered during construction, due to the existence of elastic springs and the like, most of the impact force on the harrow teeth caused by related factors can be buffered, so that the probability of damage of the harrow teeth is reduced, and the use cost of the harrow teeth is reduced.

Description

technical field [0001] The invention relates to a rake-tooth rake plow-like device used in in-situ heat regeneration raking equipment for asphalt pavement and an application thereof, in particular, it has the functions of automatically raking, adjusting depth and leveling. Background technique [0002] In view of surface structural diseases such as large-scale rutting, waves, pockmarks, and cracks on the surface of municipal asphalt roads, the construction process of hot-in-place regeneration by raking and shaping is generally adopted. The process equipment relates to raking regeneration equipment. The existing raking equipment in the market adopts a straight-bar integrated raking knife. When obstacles or other raking resistances are encountered in the construction project, there will be a phenomenon of "giving way to the knife", that is, the elastic jump of the knife bar, resulting in no dead angle for raking. The tool rod is fatigued and damaged, and is often damaged and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/12
CPCE01C23/12E01C23/121
Inventor 吴骏袁勇吴哲张垚刘正明韩立志陈军罗天洪赵永利耿大新张来源
Owner JIANGSU AOXIN SCI & TECH
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