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CN-122009743-A - Method and device for processing upward-shifting and downward-sliding working conditions of scraper conveyor

CN122009743ACN 122009743 ACN122009743 ACN 122009743ACN-122009743-A

Abstract

The invention provides a method and a device for processing the upward-shifting and downward-sliding working condition of a scraper conveyor, belonging to the technical field of underground operation automation of coal mines, wherein the method comprises the steps of judging the current working condition of the scraper conveyor according to the distance between two ends of the scraper conveyor along the pushing direction of a working surface and a roadway wall and the equipment length of the scraper conveyor along the pushing direction of the working surface; the current working conditions comprise a normal working condition, an upward shifting working condition and a downward sliding working condition, if the current working condition is the upward shifting or the downward sliding working condition, a cutter correction amount is determined according to the length of a working surface, the pushing depth of a cutter and the pushing degree of the working surface, and the upward shifting working condition or the downward sliding working condition is eliminated according to the distances between the two ends of the scraper conveyor along the pushing direction of the working surface and the roadway wall and the cutter correction amount. The invention can calculate the adjustment distance needed by the working surface in real time, and change the cutting track by adding a knife or a flail knife, thereby realizing the real-time correction of the positions of the working surface and the scraper conveyor.

Inventors

  • WANG DONGJUN

Assignees

  • 西安华创智控自动化控制系统有限公司

Dates

Publication Date
20260512
Application Date
20260127

Claims (10)

  1. 1. A processing method for the upward-shifting and downward-sliding working condition of a scraper conveyor is characterized by comprising the following steps: Judging the current working condition of the scraper conveyor according to the distance between the two ends of the scraper conveyor along the pushing direction of the working surface and the roadway wall and the equipment length of the scraper conveyor along the pushing direction of the working surface, wherein the current working condition comprises a normal working condition, an upward-shifting working condition and a downward-sliding working condition; if the current working condition is the upward movement or the downward sliding, determining a cutter correction amount according to the length of the working surface, the pushing depth of the cutter and the pushing degree of the working surface; and eliminating the upward-shifting working condition or the downward-sliding working condition according to the distance between the two ends of the scraper conveyor along the advancing direction of the working surface and the roadway wall and the correction amount of the cutting knife.
  2. 2. The method according to claim 1, wherein the determining the current working condition of the scraper conveyor according to the distance between the two ends of the scraper conveyor along the advancing direction of the working surface and the roadway wall and the equipment length of the scraper conveyor along the advancing direction of the working surface comprises: determining an offset angle of the scraper conveyor according to the distance between the two ends and the roadway wall and the equipment length; and determining the current working condition according to the distance between the two ends and the roadway wall and the offset angle.
  3. 3. The method of claim 2, wherein determining the current operating condition based on the distance of the ends from the roadway wall and the offset angle comprises: Determining the distance between the scraper conveyor and the roadway wall according to the distance between the two ends and the roadway wall and the offset angle; And judging the current working condition according to the distance between the scraper conveyor and the roadway wall.
  4. 4. A method of processing according to claim 3, wherein determining the current operating condition based on the distance of the scraper conveyor from the roadway wall comprises: If the distance between the machine head of the scraper conveyor and the corresponding roadway wall is greater than a preset first threshold value, judging that the current working condition is the upward-shifting working condition; If the distance between the tail of the scraper conveyor and the corresponding roadway wall is greater than a preset second threshold value, judging that the current working condition is the downslide working condition; otherwise, judging the current working condition to be a normal working condition.
  5. 5. The processing method according to claim 1, wherein the distance between the two ends and the roadway wall is measured and obtained by a laser range finder provided in advance at the two ends of the scraper conveyor in the direction of advancement of the working surface; The working face propelling degree is obtained by measuring a camera arranged on the scraper conveyor in advance and a marking ruler of a roadway wall, wherein the working face propelling degree comprises a working face machine head propelling progress and a working face machine tail propelling progress; Determining a cutting blade correction amount according to a working surface length, a cutting blade advancing depth and a working surface advancing degree, including: determining working face pseudo-inclination according to the working face machine head pushing progress, the working face machine tail pushing progress and the working face length; And determining the correction amount of the cutting knife according to the pushing cutting depth of the cutting knife and the pseudo-inclination of the working surface.
  6. 6. The method according to claim 4, wherein the step of eliminating the upward-running condition or the downward-running condition according to the distance between both ends of the scraper conveyor in the direction of advance of the working surface and the roadway wall and the cutter correction amount comprises: determining the upward movement offset according to the distance between the nose of the scraper conveyor and the corresponding roadway wall and the first threshold value, or Determining a sliding offset according to the distance between the tail of the scraper conveyor and the corresponding roadway wall and the second threshold; the following circulation operation is carried out until the total amount of the correction amount of the cutter is equal to the upward shifting offset or the downward sliding offset: and adding a cutter for applying the cutter correction amount or a flail knife for applying the cutter correction amount in each cutting process of the cutter.
  7. 7. The utility model provides a processing apparatus of scraper conveyor slip-up working condition which characterized in that includes: The working condition judging module is used for judging the current working condition of the scraper conveyor according to the distance between the two ends of the scraper conveyor along the pushing direction of the working surface and the roadway wall and the equipment length of the scraper conveyor along the pushing direction of the working surface, wherein the current working condition comprises a normal working condition, an upward-shifting working condition and a downward-sliding working condition; the cutter correction amount determining module is used for determining the cutter correction amount according to the length of the working surface, the pushing depth of the cutter and the pushing degree of the working surface if the current working condition is the upward movement or the downward movement; And the abnormal working condition eliminating module is used for eliminating the upward-shifting working condition or the downward-sliding working condition according to the distance between the two ends of the scraper conveyor along the pushing direction of the working surface and the roadway wall and the correction quantity of the cutting knife.
  8. 8. A computer program product comprising computer programs/instructions which, when executed by a processor, implement the steps of the method for handling a slip-up condition of a scraper conveyor according to any one of claims 1 to 6.
  9. 9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor performs the steps of the method for handling the slip-up condition of a scraper conveyor according to any one of claims 1 to 6 when the program is executed.
  10. 10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, realizes the steps of the method for handling a slip-up condition of a scraper conveyor according to any one of claims 1 to 6.

Description

Method and device for processing upward-shifting and downward-sliding working conditions of scraper conveyor Technical Field The invention relates to the technical field of automation of underground operation of coal mines, in particular to a method and a device for processing the upward-shifting and downward-sliding working condition of a scraper conveyor. Background In fully mechanized mining face, the state of the scraper conveyor is an important index for measuring the propulsion quality of the face, wherein the phenomena of upward movement and downward sliding affect the working condition of the scraper conveyor. In the prior art, on a fully mechanized mining working face with an inclination angle, in order to prevent a scraper conveyor from running upwards or sliding downwards, the posture of the working face is usually regulated and controlled in a pseudo-inclination regulating mode and the like. In fact, the upward movement and downward movement of the scraper conveyor have close relation with the displacement difference values of the machine head and the machine tail in the propelling process, and the deviation state of the working surface can be reflected more effectively by accurately grasping the data. However, up to now, an effective and practical method capable of directly reflecting the upward-shifting and downward-sliding state of the working surface is still lacking, and a technical means capable of efficiently completing the upward-shifting and downward-sliding adjustment is also lacking. Therefore, the posture adjustment of the working face often depends on manual experience only, and the adjustment mode is low in efficiency and slow in response, and is difficult to meet the requirements of modern intelligent fully-mechanized mining equipment. Disclosure of Invention The application provides a method and a device for processing the upward-shifting and downward-sliding working condition of a scraper conveyor, and aims to solve at least part of the technical problems in the prior art. In order to achieve the above object, in a first aspect, the present invention provides a method for processing a condition of upward movement and downward sliding of a scraper conveyor, including: Judging the current working condition of the scraper conveyor according to the distance between the two ends of the scraper conveyor along the pushing direction of the working surface and the roadway wall and the equipment length of the scraper conveyor along the pushing direction of the working surface, wherein the current working condition comprises a normal working condition, an upward-shifting working condition and a downward-sliding working condition; if the current working condition is the upward movement or the downward sliding, determining a cutter correction amount according to the length of the working surface, the pushing depth of the cutter and the pushing degree of the working surface; and eliminating the upward-shifting working condition or the downward-sliding working condition according to the distance between the two ends of the scraper conveyor along the advancing direction of the working surface and the roadway wall and the correction amount of the cutting knife. In some embodiments of the present application, the determining the current working condition of the scraper conveyor according to the distance between two ends of the scraper conveyor along the advancing direction of the working surface and the roadway wall and the equipment length of the scraper conveyor along the advancing direction of the working surface includes: determining an offset angle of the scraper conveyor according to the distance between the two ends and the roadway wall and the equipment length; and determining the current working condition according to the distance between the two ends and the roadway wall and the offset angle. In some embodiments of the present application, determining the current working condition according to the distance between the two ends and the roadway wall and the offset angle includes: Determining the distance between the scraper conveyor and the roadway wall according to the distance between the two ends and the roadway wall and the offset angle; And judging the current working condition according to the distance between the scraper conveyor and the roadway wall. In some embodiments of the present application, determining the current working condition according to a distance between the scraper conveyor and the roadway wall includes: If the distance between the machine head of the scraper conveyor and the corresponding roadway wall is greater than a preset first threshold value, judging that the current working condition is the upward-shifting working condition; If the distance between the tail of the scraper conveyor and the corresponding roadway wall is greater than a preset second threshold value, judging that the current working condition is the downslide working condition; otherwise, judg