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Tool system for ground milling machine and the ground milling machine comprising the tool system

A technology of milling machines and milling cutters, which is applied in the field of ground milling machines, can solve the problems of reducing material hardness or resistance, time-consuming and complicated milling cutters, etc., and achieve slow wear progress, reliable force transmission, and fast installation Effect

Active Publication Date: 2017-08-01
BOMAG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, the new assembly of the milling cutter is time-consuming and correspondingly complex
Especially when using brazed connections, the hardness or resistance of the material in the wear area is reduced due to the heat input into the tool holder during the brazing process

Method used

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  • Tool system for ground milling machine and the ground milling machine comprising the tool system
  • Tool system for ground milling machine and the ground milling machine comprising the tool system
  • Tool system for ground milling machine and the ground milling machine comprising the tool system

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Embodiment Construction

[0047] The same components are designated with the same reference numerals. Repeated components are not individually labeled throughout the drawings.

[0048] figure 1 A ground milling machine 1 is shown, here a road milling machine in the form of a cold milling machine with a central rotating part. The ground milling machine 1 comprises a cab 2 with a driver's seat and a console, a frame 3 and a drive motor 4 . The drive motor 4 , for example a diesel engine, mainly drives the traveling device 6 , the milling roller 9 and the discharge belt 5 . The milling roller 9 is mounted rotatably about a horizontal axis of rotation 10 extending transversely to the working direction a in the milling roller housing 7 . During the working mode of the ground milling machine 1 , the milling roller 9 mills the ground 8 in the working direction a. The loose milled material is transferred via the discharge belt 5 to a transport vehicle (not shown) and transported away by the transport vehic...

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Abstract

The invention relates to a tool system (11) for a ground milling machine (1), in particular a road miller, a road recycler, a road stabilizer or a surface miner. The tool system (11) comprises: a milling bit (14) with a highly wear-resistant bit tip (17), in particular comprising PCD material, and a bit shaft (20) extending along a longitudinal axis (35); and a bit holder (29) with a shaft-receiving socket (26), wherein the bit shaft (20) of the milling bit (14) has at least one tapered section (23) that narrows in a direction running away from the bit tip (17). A securing device (19) is also provided, and is designed to draw the milling bit (14) along the longitudinal axis (35) of the latter away from the bit tip (17) into the shaft-receiving socket (26). The shaft-receiving socket (26) of the bit holder (29) are designed to be complementary to the bit shaft (20) of the milling bit (14) such that the tapered section (23), when interlocked with the securing device (19), lies in the shaft-receiving socket (26) against the bit holder (29) in a friction-locked manner. In addition, the bit holder (29) comprises a base holder (12) and an interchangeable holder (13). The base holder (12) comprises a holder-receiving socket (37) for receiving the interchangeable holder (13) and the interchangeable holder (13) comprises the shaft-receiving socket (26). The securing device (19) is designed such that it draws the milling bit (14) along the longitudinal axis (35) of the latter in a direction away from the bit tip (17) into the shaft-receiving socket (26) and also draws the interchangeable holder (13) into the holder-receiving socket (37) in the base holder (12). The invention also relates to a milling bit and to an interchangeable holder for the tool system and to a ground milling machine comprising the tool system.

Description

technical field [0001] The invention relates to a cutter device for a ground milling machine, in particular a road milling machine, a recycling machine, a stabilizer or a surface mining machine, the cutter device comprising: a milling cutter, the milling machine The planer has a high wear-resistant tip and a shank extending along the longitudinal axis, said tip comprising in particular PCD material; and a tool seat with a shank receptacle. The invention also relates to a milling cutter and a changing stand for such a cutter arrangement as well as to a ground milling machine with a cutter arrangement according to the invention. Background technique [0002] Such ground milling machines are commonly used in street or road construction and in open pit mining of mineral resources. Most of the ground milling machines include a frame or a chassis, a driver's platform and a plurality of traveling mechanisms. Furthermore, the ground milling machine also has a drive motor, usually ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/088E21C35/18E21C35/19
CPCE01C23/0885E21C35/18E21C35/197E21C35/191B28D1/188E01C23/088E21C35/1837E21C35/188E21C35/193E21C35/1831E21C35/19E21C25/10E21C35/183
Inventor S·瓦克斯曼M·舍费尔
Owner BOMAG
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