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CN-116084933-B - Feeding process of single drum coal cutter

CN116084933BCN 116084933 BCN116084933 BCN 116084933BCN-116084933-B

Abstract

The invention provides a feeding process of a single-drum shearer. The single drum shearer feeding process comprises the step of cutting by a single drum shearer in a middle area of a coal channel in a beveling mode, wherein the single drum shearer advances towards the end of the coal channel, a support in the advancing area performs a frame pulling action, support signal induction of the single drum shearer and the end area performs end tail movement towards the coal channel, support signal induction of the single drum shearer and the middle area performs single drum overturn, support signal induction of the single drum shearer and the end tail area performs single drum overturn and starts to move towards the end of the coal channel, support signal induction of the single drum shearer and the end head area performs beveling feeding, support signal induction of the single drum shearer and the middle area performs beveling feeding. The feeding process of the single-drum coal cutter can solve the problem that the single-drum coal cutter in the prior art is inconvenient to use in the use process.

Inventors

  • WANG FUZHONG
  • ZHENG FENGQING
  • ZHANG DONG
  • LIU XUDONG
  • ZHANG XIAOYU
  • LI CHANGLU

Assignees

  • 国家能源集团新疆能源有限责任公司

Dates

Publication Date
20260512
Application Date
20230330

Claims (7)

  1. 1. A single drum shearer feed process comprising: A single drum shearer (10) positioned in the middle region of the coal tunnel is bevelled to cut the feed so as to tunnel the upper coal seam; The single-drum shearer (10) advances towards the end of the coal channel, and a bracket (20) in the advancing area executes a machine-following pulling frame action; The single-drum shearer (10) senses signals with a bracket (20) in the end area, performs single-drum overturning and starts to move towards the end tail of the coal channel so as to tunnel the lower coal seam; The single-drum shearer (10) is in signal induction with a bracket (20) in the middle area, the single-drum overturning is executed to excavate an upper coal seam, and the bracket (20) in the advancing area of the single-drum shearer (10) executes a machine-following bracket pulling action; The single-drum shearer (10) senses signals with a bracket (20) in an end-to-end area, performs single-drum overturning and starts to move towards the end of the coal channel so as to tunnel a lower coal seam; the single-drum shearer (10) and a support (20) in the end area are subjected to signal induction, the single-drum shearer (10) moves towards the end tail of the coal channel, and the support (20) in the advancing area of the single-drum shearer (10) executes a pushing motion along with the shearer; The single-drum shearer (10) senses signals with a bracket (20) in the middle area, and the bracket (20) stops pushing; The single-drum shearer (10) is in signal induction with a bracket (20) in an end-to-end area, and the single-drum shearer (10) moves towards the end of the coal channel; The single-drum shearer (10) is in signal induction with the supports (20) in the middle area, pushing and sliding of the supports (20) are completed, the single-drum shearer (10) performs single-drum overturning and beveling feeding in the middle area of a coal channel, and tunneling of a coal seam is started.
  2. 2. The single drum shearer feed process of claim 1, wherein prior to the step of chamfering the shearer (10) located in the middle region of the coal chute to mine the upper coal seam, the single drum shearer feed process further comprises: Moving a single-drum shearer (10) to an intermediate region of a coal tunnel, starting the single-drum shearer (10), and starting the single-drum shearer (10) to move; After the single-drum shearer (10) starts to move, a single drum of the single-drum shearer (10) is started to rotate and move towards the upper coal seam, and the single drum stops moving after moving to a preset position so as to realize beveling and entering the upper coal seam.
  3. 3. The single drum shearer feed process of claim 1, wherein the single drum shearer (10) at the middle region of the coal seam is beveled to provide a step of driving up the coal seam further comprising: the single drum follows the movement of the single drum shearer (10) to effect cutting of an upper seam.
  4. 4. The single drum shearer feed process according to claim 1, characterized in that N brackets (20) are provided, the end bracket (20) is a No. 1 bracket (20), no. 2 brackets (20) and No. 3 brackets (20) are sequentially provided along the end toward the end tail direction, an infrared emitter is provided on the single drum shearer (10), converters are provided on the No. 2 brackets (20), the N/2 brackets (20) and the N-1 brackets (20), the No. 2 brackets (20) are brackets (20) of the end head region, the N/2 brackets (20) are brackets (20) of the middle region, and the N-1 brackets (20) are brackets (20) of the end tail region.
  5. 5. The single drum shearer feed process of claim 4, wherein during travel of the single drum shearer (10), the infrared transmitter transmits a signal to the transducer, the transducer receives the signal and feeds back a control signal to the single drum shearer (10), and the single drum shearer (10) performs a corresponding action in accordance with the received control signal.
  6. 6. The single drum shearer feeding process of claim 4, wherein in the single drum shearer (10) and middle area cradle (20) signal sensing, said cradle (20) stopping pushing step comprises: The infrared transmitter of the single drum shearer (10) transmits a signal towards the number N/2 bracket (20); The converter of the N/2 bracket (20) receives signals, the N/2-2 brackets (20) to the N/2 bracket (20) execute partial pushing, and the N/2 brackets (20) to the N bracket (20) execute no pushing so as to form an inclined area between the N/2-2 brackets (20) to the N/2 brackets (20); the transducer of the N/2 bracket (20) sends a control signal to the single drum shearer (10).
  7. 7. The single drum shearer feed process of claim 1, wherein in the single drum shearer (10) and end zone cradle (20) signal sensing, the single drum inversion is performed and begins to move toward the end tail of the coal tunnel to tunnel the lower coal seam, The single drum shearer (10) receives a control signal fed back by a bracket (20) of the end head area; The single drum of the single drum coal mining machine (10) rotates clockwise to a lower coal seam area so as to cut off the upper coal in the end area; and after the upper coal layer is cut off, the single roller rotates anticlockwise to the upper coal layer and then continuously rotates to the lower coal layer.

Description

Feeding process of single drum coal cutter Technical Field The invention relates to the technical field related to underground coal mine collection, in particular to a single-drum shearer feeding process. Background The development of the automatic following machine process of intelligent mining of the domestic mine mainly aims at the double-drum mining process, and the hydraulic support is adopted to automatically sense the position and the direction of the mining machine, so that the action mode is single. Of course, at present, some single-drum shearer is used in the coal mining application, the single-drum shearer is utilized to advance from one end of a coal channel to the other end, and the coal seam is cut off in the advancing process, but in the use process of the existing single-drum shearer, a plurality of channel brackets are all required to be controlled manually so as to achieve the following action, so that the complete coal mining action of the single-drum shearer is realized, the mode needs manual real-time participation, and the labor cost is increased. From the above, the existing single drum shearer has the problem of inconvenient use in the use process. Disclosure of Invention The invention mainly aims to provide a feeding process of a single-drum coal cutter, which aims to solve the problem that the single-drum coal cutter in the prior art is inconvenient to use in the use process. In order to achieve the above object, according to one aspect of the present invention, there is provided a single drum shearer feeding process. The feeding process of the single drum shearer comprises the following steps: A single drum shearer chamfer feed positioned in the middle area of the coal tunnel to tunnel the upper coal seam; the single-drum shearer advances towards the end of the coal channel, and a bracket in the advancing area executes a frame pulling action; The single-drum shearer senses signals of the support in the end head area, performs single-drum overturning and starts to move towards the end tail of the coal channel so as to tunnel the lower coal seam; The single-drum shearer senses signals of the support in the middle area, single-drum overturning is performed to excavate the upper coal seam, and the support in the advancing area of the single-drum shearer performs a frame pulling action; the single-drum shearer senses signals of a bracket in the tail end area, performs single-drum overturning and starts to move towards the end of the coal channel so as to tunnel the lower coal seam; The single-drum shearer moves towards the end tail of the coal channel, and the support in the advancing area of the single-drum shearer executes a pushing action along with the shearer; The single drum shearer senses signals of a bracket in the middle area, and the bracket stops pushing; the single-drum shearer and a bracket signal in the tail end area are sensed, and the single-drum shearer moves towards the end head of the coal channel; And the single-drum shearer performs single-drum overturning and beveling feeding in the middle area of the coal channel, and starts to tunnel the upper coal seam. Further, before the step of cutting the upper coal seam, the single-drum shearer cutting process further comprises the steps of moving the single-drum shearer to the middle area of the coal seam, starting the single-drum shearer, rotating the single-drum shearer, moving the single-drum shearer towards the upper coal seam, stopping moving the single-drum shearer, and enabling the single-drum shearer to enter the upper coal seam after the single-drum shearer is moved to a preset position. Further, the step of cutting the upper coal seam by the single drum shearer in the middle area of the coal seam includes moving the single drum shearer along with the single drum shearer to cut the upper coal seam. Further, the number of the brackets is N, the brackets at the end head are 1 brackets, the 2 brackets and the 3 brackets are N brackets in sequence along the direction of the end head towards the end tail, the single drum shearer is provided with an infrared emitter, the converters are arranged on the No. 2 bracket, the N/2 bracket and the N-1 bracket, the No. 2 bracket is a bracket with an end area, the N/2 bracket is a bracket with a middle area, and the N-1 bracket is a bracket with an end tail area. Further, in the advancing process of the single-drum shearer, the infrared transmitter transmits signals to the converter, the converter receives the signals and feeds back control signals to the single-drum shearer, and the single-drum shearer executes corresponding actions according to the received control signals. Further, the step of stopping pushing the single drum shearer and the support in the middle area comprises the steps that an infrared emitter of the single drum shearer sends signals to the N/2 support, a converter of the N/2 support receives the signals, the N/2-2 support performs partial pushing and slid