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Expressway pavement repair device

A technology for road surface repair and expressway, applied in the direction of road repair, roads, roads, etc., can solve the problems of low work efficiency, troublesome rut repair on asphalt pavement, high repair cost, and achieve the effect of improving service life

Active Publication Date: 2018-12-14
广州华南路桥实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the repair of asphalt pavement ruts is mainly done manually. Due to the shortcomings of low work efficiency and high repair cost in manual repair of ruts, it brings great trouble to the repair of asphalt pavement ruts and affects the speed smooth road

Method used

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Embodiment approach

[0026] As an embodiment of the present invention, the protrusion of the flower-shaped cam 8 is provided with an arc-shaped shrapnel 81; the arc-shaped shrapnel 81 is made of high-temperature-resistant rubber; When pressing the arc-shaped shrapnel 81, the arc-shaped shrapnel 81 is depressed after being squeezed, and then fits with the round end surface of the perforated steel needle 9, so that the round end surface of the perforated steel needle 9 will not Sliding relative to the surface of the flower-shaped cam 8, the impact force can be transmitted to the transmission shaft 7, preventing the perforating steel needle 9 from bending due to the inclined force, thereby improving the service life of the perforating steel needle 9.

[0027] As an embodiment of the present invention, a No. 1 through hole 811 is set in the middle of the arc-shaped shrapnel 81; a No. 1 cavity 82 is set on the protrusion of the flower-shaped cam 8; during operation, the round head of the punching steel ...

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Abstract

The invention belongs to the technical field of pavement repair devices, Specifically, the invention relates to an expressway pavement repair device, include a housing, Motor, gear shaft, driven gear,rolling drum, a fixed shaft, a clutch, a transmission shaft, a pattern cam and a perforated steel needle, wherein one end of the rolling drum is rotatably installed on the side wall of the housing through the fixed shaft, a bevel gear is arranged on the other end face of the rolling drum, the upper part of the bevel gear at the end of the rolling drum is meshed with the bevel gear at the lower end of the gear shaft, and the lower part of the bevel gear at the end of the rolling drum is meshed with the driven gear; As that clutch is arrange at one end of the transmission shaft, and uniformly arranging a group of pattern cams on the transmission shaft, The perforated steel heated on the rolling drum is used to punch holes on the damaged pavement, and the pavement is heated at the same time,and the shrinkage can be realized; furthermore, the softened pavement is rolled by the rolling drum, the pavement is leveled, the pavement is repaired quickly, and the smoothness of the expressway isensured.

Description

technical field [0001] The invention belongs to the technical field of road surface repairing devices, in particular to a highway road surface repairing device. Background technique [0002] In high-grade highways, asphalt pavement is valued by countries all over the world for its well-known good performance. , no dust, small vibration, low noise, short construction period and easy maintenance and repair, etc., are widely used in expressways. With the development of highways in my country and the increase of traffic volume, rutting is the main form of damage to asphalt pavement. Rutting is the accumulation of permanent deformation in the vertical direction of the wheel track belt on the roadway under repeated wheel loads. When it is serious, there are usually bulging deformations on both sides. It is mainly caused by viscous flow of asphalt mixture, deformation of soil foundation and base course, and includes a certain degree of compaction and material wear. [0003] At p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/06E01C23/08E01C23/082
CPCE01C23/065E01C23/081E01C23/0825
Inventor 王本勋
Owner 广州华南路桥实业有限公司
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