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Coal cutter infinitely-variable-speed cutting transmission system based on rotation speed coupling

A technology of stepless speed regulation and speed coupling, which is applied in the direction of transmission, gear transmission, mechanical equipment, etc., can solve the problem of large installation space of high-power frequency converters, so as to alleviate adverse effects, improve utilization rate, and save energy Effect

Inactive Publication Date: 2015-03-25
CHONGQING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the high-power cutting motor is directly controlled by frequency conversion, on the one hand, the high price of the high-power frequency converter is unbearable; on the other hand, the installation space required by the high-power frequency converter is also huge. Allowing a large enough installation space is also a challenge

Method used

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  • Coal cutter infinitely-variable-speed cutting transmission system based on rotation speed coupling
  • Coal cutter infinitely-variable-speed cutting transmission system based on rotation speed coupling
  • Coal cutter infinitely-variable-speed cutting transmission system based on rotation speed coupling

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Embodiment Construction

[0024] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0025] like figure 1 As shown, the coal shearer stepless speed regulation cutting transmission system based on speed coupling in this embodiment includes a cutting motor M1, a speed regulating motor M2, a differential planetary gear train P1, a cutting part planetary reducer P2 and a cutting Cutting drum; the differential planetary gear system P1 is mainly composed of a planetary carrier X1, a ring gear, a sun gear A1 and a planetary gear C1, and the inner and outer rings of the ring gear are correspondingly provided with internal teeth B1 and external teeth Z5; The cutting motor M1 meshes with the ring gear outer gear Z5 on the differential planetary gear train P1 through a gear pair, and the speed regulating motor M2 is connected to the sun gear A1 on the differential planetary gear train P1 through a motor reducer. , the differential pl...

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Abstract

The invention discloses a coal cutter infinitely-variable-speed cutting transmission system based on rotation speed coupling. The system comprises a cutting motor, a variable-speed motor, a differential planetary gear train, a cutting part planetary reducer and a cutting drum. The differential planetary gear train is mainly composed of a planetary carrier, a gear ring, a sun gear and a planetary gear, and gears are arranged on the inner ring and the outer ring of the gear ring receptively. The cutting motor is meshed with the outer ring of the gear ring on the differential planetary gear train through a gear pair for transmission. The variable-speed motor is connected with the sun gear on the differential planetary gear train in a transmission mode through a motor reducer. The differential planetary gear train is connected with the cutting part planetary reducer in a transmission mode through a gear pair. By additionally arranging the differential planetary gear train and a motor speed regulation system, the cutting rotating speed of the drum can be regulated in a stepless mode within a certain range. Compared with a traditional transmission system, the system has the advantages of being small in size change and cost increase, wide in application range and low in installation space requirement.

Description

technical field [0001] The invention belongs to the field of coal mining equipment, and in particular relates to a speed-coupling-based coal shearer stepless speed-regulating cutting transmission system. Background technique [0002] Coal is the main energy source in my country. In 2012, a total of 3.66 billion tons of coal was mined across the country, 40% of which were mines with a mining depth greater than 500 meters. At present, dozens of mines have mining depths exceeding 1,000 meters. Geological disasters such as gas explosions, rock collapse, and water inrush in deep coal seams have a high incidence and are highly accidental, posing a great threat to the life safety of mining workers, resulting in frequent casualties during the mining process. In order to meet the needs of unmanned mining of deep dangerous coal seams, there is an urgent need for unmanned mining equipment and technologies for deep dangerous coal seams with good adaptability to working conditions. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H1/28
CPCF16H1/28
Inventor 杨阳马鹏程秦大同孙冬野崔维隆
Owner CHONGQING UNIV
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