Special cutting device for Overlay test piece

A technology for cutting devices and test pieces, which is applied in the preparation and sampling of measuring devices, samples for testing, etc., can solve the problems of material waste, consumption, large time and labor costs, and achieves reduction of redundant operations, flexible control, and improved efficiency. The effect of precision

Pending Publication Date: 2021-10-08
YANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ruler measurement and manual cutting machine cutting are commonly used in the production of Overlay specimens, which not only cannot guarantee the accuracy of the geometric dimensions of the specimens, but also easily wastes materials due to redundant operations, consuming a lot of time and labor costs.
The Overlay Test test has hi

Method used

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  • Special cutting device for Overlay test piece
  • Special cutting device for Overlay test piece
  • Special cutting device for Overlay test piece

Examples

Experimental program
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Effect test

Example Embodiment

[0025] The specific method of the present invention will be described in detail below with reference to the accompanying drawings.

[0026] like figure 1 As shown, an Overlay test piece special cutting device, including a telescopic bolt 1, a sliding edge plate 2, a side plate rail 3, a vertical reserved cut # 4, can rotate on the clamp 5, flange buckle 6, cross cut clamp 7, transverse reservation cutting 8, blade base rail 9, cutting blade 10, blade shroud 11, blade base 12, blade holder 13, lateral active support 14, lateral control motor 15, lateral pressure rod 16, lateral direction The slider 17, the longitudinal control motor 18, the longitudinal pressure rod 19, and the vertical clamp 20.

[0027] like figure 2 As shown, the vertical clamp 20 is fixed by two edge plates, the height of the side plate is 38 mm ± 0.5 mm, the width is 76 mm ± 0.5mm, the inner arc radius is 75mm ± 0.5mm, and the sliding edge is passed through the telescopic bolt 1 On the tester, the displacement...

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PUM

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Abstract

The invention discloses a special cutting device for an Overlay test piece. The special cutting device comprises a support base, a fixing mold, a maneuvering device and a cutting component, wherein a transverse cutting clamp, a longitudinal cutting clamp and the maneuvering device are fixed on the support base, a transverse control motor and a longitudinal control motor can pull and push a pressing rod so as to control the displacement of a cutter blade base and the transverse control motor on a cutter blade base slide rail, so that the cutter blade position is adjusted to control the cutting process. According to the device, a rotary compaction test piece or a punching and core drilling test piece can be accurately cut into the geometric dimension required by an Overlay Test, so that redundant operation can be greatly reduced, and the device is simple, convenient and flexible to control.

Description

technical field [0001] The invention relates to the research field of road engineering materials, in particular to a special cutting device for Overlay test pieces. Background technique [0002] Studying the anti-cracking performance of asphalt mixture is not only beneficial to solve problems such as cracks in asphalt pavement, but also has great significance for prolonging the service life of asphalt pavement. [0003] Among the many cracking diseases of asphalt pavement, reflective crack is one of the main forms of failure, and the research on reflective crack by domestic and foreign scholars has never stopped. Among them, the Overlay Test can accurately simulate the action process of reflective cracks in the pavement structural layer, and is favored by many scholars. However, ruler measurement and manual cutting machine cutting are generally used in the production of Overlay specimens, which not only cannot guarantee the accuracy of the geometric dimensions of the specim...

Claims

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Application Information

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IPC IPC(8): G01N1/28
CPCG01N1/286G01N2001/2873
Inventor 肖鹏孟伟杰吴浩辰顾倩俪吴宇浩
Owner YANGZHOU UNIV
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