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Method and device for controlling stalling of milling drum during reversing of milling machine and milling machine

A technology of milling drum and milling machine, which is applied to the device for controlling the stop of the milling drum, the control of the milling machine, and the field of controlling the stop of the milling drum when the milling machine is reversed, which can solve the problem of reducing the reliability of the milling machine and Safety, short life, low reliability and other issues

Active Publication Date: 2013-01-16
ZOOMLION HEAVY IND CO LTD
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  • Description
  • Claims
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Problems solved by technology

However, the method and device based on the mechanical manipulation of the contact switch has defects such as low reliability and short life, and reduces the reliability and safety of the milling machine

Method used

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  • Method and device for controlling stalling of milling drum during reversing of milling machine and milling machine
  • Method and device for controlling stalling of milling drum during reversing of milling machine and milling machine
  • Method and device for controlling stalling of milling drum during reversing of milling machine and milling machine

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Embodiment Construction

[0050] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and the protection scope of the present invention is not limited to the following specific embodiments. .

[0051] First of all, it should be explained that the method and device for controlling the stoppage of the milling drum when the milling machine is reversing according to the present invention are controlled based on the hydraulic system and mechanical drive structure of the existing milling machine, in order to help those skilled in the art Understand the specific embodiment of the method and device thereof for controlling the milling drum to stop when the milling machine is reversing as described below in the present invention, below at first refer to Figure 5 to Figure 7 Briefly explain the hydraulic s...

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Abstract

A method for controlling stalling of a milling drum during reversing of a milling machine includes sensing the oil pressure on a working oil way connected with a working port (D) for reversing oil-taking of a walking hydraulic motor (5) of the milling machine; and when the oil pressure is equal to or larger than a preset oil pressure value, controlling a reversing valve corresponding to at least one of a hydraulic clutch (2) and a milling drum driving belt tensioning cylinder (1) of the milling machine to reverse so as to enable at least one of the hydraulic clutch and the milling drum driving belt tensioning cylinder to relieve pressure. In addition, the invention further provides a device for achieving the method and the milling machine comprising the device. According to the method and the device, reversing signals can be obtained without a mechanical input mode, reliability and safety are greatly improved through the oil pressure sensing mode, the operation is reliable, performances are stable, and the device is not easy to damage and long in service life.

Description

technical field [0001] The invention relates to a method for controlling a milling machine, in particular to a method for controlling the stop of a milling drum when the milling machine is reversing. Furthermore, the present invention also relates to a device for controlling the stopping of the milling drum when the milling machine is reversed. In addition, the present invention also relates to a milling machine, which comprises the above-mentioned device for controlling the stopping of the milling drum when the milling machine is reversed. Background technique [0002] The milling machine belongs to the engineering construction machinery widely used in road engineering construction. The milling drum of the milling machine is one of the important parts of the milling machine. The cutter is installed on the milling drum. As the planer moves forward, the milling machine can mill the road surface so as to make the road surface smooth and convenient for subsequent construction....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C23/088
Inventor 颜林军
Owner ZOOMLION HEAVY IND CO LTD
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