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A milling tool holder

A technology for tool holding and tooling, applied in roads, construction, cutting machinery, etc.

Inactive Publication Date: 2021-07-23
CATERPILLAR PAVING PROD INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Current tool holder designs may require frequent or extended machine outages to replace lost or broken tool holders

Method used

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  • A milling tool holder
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  • A milling tool holder

Examples

Experimental program
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Embodiment Construction

[0027] Referring now to the drawings, in which like reference numerals refer to like elements, there is shown a milling drum head 100 which is the outer part of a milling drum 102 attachable to a machine (not shown) . The machine may be a machine for road milling, such as a cold milling machine, or may be any other type of machine that performs some type of milling operation known in the art.

[0028] For the purposes of the present invention, the term "bitumen" may be defined as a mixture of aggregate and bituminous paste. Bituminous paste may be a brown-black solid or semi-solid mixture of bitumen obtained as a by-product of petroleum distillation. Asphalt paste can be heated and mixed with aggregate for paving road surfaces, where the mixture hardens as it cools. A "cold milling machine" may be defined as a machine used to remove layers of hardened asphalt from existing roads. It is contemplated that the disclosed cold planer may also or alternatively be used to remove l...

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PUM

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Abstract

A tool holder for use with a milling drum is disclosed. The tool holder may have a cylindrical body defining a first end configured to be received within a tool mounting block of the milling drum and a second end configured to receive a cutting head. The flange may be located between a first end with respect to an axial direction and a second end, the first hole having a first opening defined by the second end and extending toward the first end. The frusto-conical portion may be located between the flange and the first end with respect to the axial direction, and the cylindrical portion is located between the flange and the first end. At least one radial opening may pass at least through the wall of the cylindrical portion to intersect or open towards the first bore.

Description

technical field [0001] The present invention relates generally to a tool holder, and more particularly to a tool holder for a milling drum. Background technique [0002] Asphalt pavement is easy for vehicles to drive. Depending on density of use, underlying conditions, temperature changes, humidity changes, and / or physical age, road surfaces may eventually become warped, uneven, unable to support wheel loads, or unsuitable for vehicular traffic. To restore the roadway for continued vehicular use, the worn asphalt is removed in preparation for resurfacing. [0003] Cold planers, sometimes called road mills or scarifiers, are machines that typically include a frame supported by a tracked or wheeled drive unit. The frame is configured to provide mounts for the engine, operator workstation and milling drum. A milling drum equipped with cutting tools is turned by a motor through a suitable interface to pulverize the road surface. [0004] In a typical configuration, a plurali...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01C23/088
CPCE01C23/088E21C25/10E21C35/19
Inventor D·桑索恩
Owner CATERPILLAR PAVING PROD INC