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    Shearer cutting unit is composed of a fixed gear box, rocker arm, drum, coal blocking board and a height adjusting system. Effect of cutting unit is the power of the motor through reducer, to transfer to the cutting drum, to cut coal, through the helical vane drum on the cutting down of coal loaded into the working face conveyor.

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    buyers of coal shearer rocker arm for coal mining A feature extraction method based on composite multi-scale In the field of coal mining, accurate cutting state recognition of shearer is the basis and premise for achieving automatic coal cutting.

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    HMG100/240-BW thinnest shearer is a new type machine for mechanized coal mining working face and high-grade mechanized coal mining working face. Cutting height range:0.85-1.5m Slope Angle:≤30° Coal Hardness:≤3.5 Total Installed Power:2*100+40kW Coal Gap:192 Designed capacity:437t/h

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    The Lushuidong Coal Mine was completed and put into operation in December 1981. It has been mining for 37 years. The shape of the coal seam in this mine is like "M". Two anticlines are intersected by one syncline. And the deeper the mining, the greater the dip angle of the coal seam. As mining time goes by, coal reserves of 50° and below

  • Jing Xu's research works Shanghai Jiao Tong University

    Nevertheless, the dust in the coal mine affects the image collection. By installing an acoustic sensor on the rocker arm of the shearer, Xu used ensemble empirical mode decomposition (EEMD) and a

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    Feb 01, 2017· The geometric model of the 5303 FMCF Tangkou Coal Mine of Zibo Mining Group is built in 1:1 size scale by the software SolidWorks 2014, and is shown in Fig. 1(A) and (B). The geometric model is composed of four parts: outer contour, caving coal hydraulic support, shearer, and cable tank.

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  • CN101943259A Rocker gear case on the cooling longwall

    The present invention relates to cool off the rocker gear case on the longwall shearer.Particularly, provide the cooling system of the gear-box in the rocking arm of longwall shearer, this rocking arm is included in a plurality of individual gears that are mounted to a row in the elongated housing.Cooling system is included in the coolant injection system in each individual gears, and each

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    Nov 05, 2016· On the intelligent coal face, when coals fall down, the roller on the coal mining machine can recognize roof coal-rock interface and programme a motion path to avoid knifing the roof rock. It can not only effectively protect the rocker arm of coal mining machine but observably improve the quality of the raw coal produced on the working face.

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  • Jing Xu's research works Shanghai Jiao Tong University

    Nevertheless, the dust in the coal mine affects the image collection. By installing an acoustic sensor on the rocker arm of the shearer, Xu used ensemble empirical mode decomposition (EEMD) and a

  • Influence of Drum Motion Parameters on Shearer Cutting

    unit on a coal mining machine. According to the structural characteristics and the cutting method of the double-drum shearer, the strain gauges should be glued to the reasonable position on surface of the rocker arm, which stands the larger force. When the force of the position is

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    May 27, 2016· Generally speaking, the annual output is 250000-300000ton, because in the ultra low coal seam the coal shearer couldn’t operate too fast, the machine height will influence the coal production, workers’ physical exertion is too heavy and etc.

  • The diffusion behavior law of respirable dust at fully

    Feb 01, 2017· The geometric model of the 5303 FMCF Tangkou Coal Mine of Zibo Mining Group is built in 1:1 size scale by the software SolidWorks 2014, and is shown in Fig. 1(A) and (B). The geometric model is composed of four parts: outer contour, caving coal hydraulic support, shearer, and cable tank.

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  • Identification of Shearer Cutting Patterns Using Vibration

    The application was accomplished at the 2115 coal mining face in the No.13 Mine of the Pingdingshan Coal Industrial Group Corporation. Seen from this figure, the accelerometers were installed inside of the shearer rocker arm shell to guarantee the reliability.

  • Identification of Shearer Cutting Patterns Using Vibration

    The application was accomplished at the 2115 coal mining face in the No.13 Mine of the Pingdingshan Coal Industrial Group Corporation. Seen from this figure, the accelerometers were installed inside of the shearer rocker arm shell to guarantee the reliability.

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  • CN101943259A Rocker gear case on the cooling longwall

    The present invention relates to cool off the rocker gear case on the longwall shearer.Particularly, provide the cooling system of the gear-box in the rocking arm of longwall shearer, this rocking arm is included in a plurality of individual gears that are mounted to a row in the elongated housing.Cooling system is included in the coolant injection system in each individual gears, and each

  • Jing Xu's research works Shanghai Jiao Tong University

    Nevertheless, the dust in the coal mine affects the image collection. By installing an acoustic sensor on the rocker arm of the shearer, Xu used ensemble empirical mode decomposition (EEMD) and a

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    Third, unmanned intelligent mining could be achieved by the automatic control of the shearer rocker arm when the coal seam thickness in front of the working face is ascertained (Yuan 2017

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    Used Coal Mining Machine. Used Coal Mining Machine. Sany coal mining equipment is designed for both thin coal seam and midium-thickness coal seam.730c series thin seam coal mining machine is applicable for the mining needs of 0.2m coal seams and can be installed with 764630 scraper conveyor to meet the mining height and capacity needs.

  • Influence of Drum Motion Parameters on Shearer Cutting

    unit on a coal mining machine. According to the structural characteristics and the cutting method of the double-drum shearer, the strain gauges should be glued to the reasonable position on surface of the rocker arm, which stands the larger force. When the force of the position is

  • Identification of Shearer Cutting Patterns Using Vibration

    In a fully mechanized coal mining face, as the most important coal mining equipment, a shearer uses a drum to cut the coal. Due to the poor working conditions of coal mining, shearer operators does not have an accurate way to determine whether the shearer drum is cutting coal, rock, or coal with gangue depending only on simple visualization.

  • The diffusion behavior law of respirable dust at fully

    Feb 01, 2017· The geometric model of the 5303 FMCF Tangkou Coal Mine of Zibo Mining Group is built in 1:1 size scale by the software SolidWorks 2014, and is shown in Fig. 1(A) and (B). The geometric model is composed of four parts: outer contour, caving coal hydraulic support, shearer, and cable tank.

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    The invention discloses an automatic cutting control system and an automatic cutting control method for a coal cutter. The control system comprises a controller, a data storage device, a working condition detection apparatus for the coal cutter and a control host. The working condition detection apparatus for the coal cutter comprises a walking displacement detection unit, an angle detection

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