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CN-224198581-U - Coal cleaning device for cleaning accumulated coal at bottom of belt conveyor

CN224198581UCN 224198581 UCN224198581 UCN 224198581UCN-224198581-U

Abstract

The utility model relates to the technical field of accumulated coal cleaning devices, in particular to a coal cleaning device for cleaning accumulated coal at the bottom of a belt conveyor, which comprises a track, a coal cleaning vehicle, a coal cleaning scraper, a traction plate, a limiting mechanism and a limiting mechanism, wherein the track is arranged at the bottom of a conveying belt of the belt conveyor along the length direction of the belt conveyor, the coal cleaning vehicle is movably arranged on the track, the coal cleaning scraper is arranged at the bottom of the coal cleaning vehicle in a limiting rotation manner along the width direction of the track, the traction plate is arranged at the upper part of the coal cleaning vehicle in a limiting sliding manner along the length direction of the track, the traction plate is vertically arranged at the upper part of the coal cleaning scraper and is movably connected with the coal cleaning scraper, the limiting mechanism is arranged between the coal cleaning scraper and the traction plate and is used for limiting the sliding displacement of the traction plate and the rotation angle of the coal cleaning scraper, and the driving mechanism is connected with the traction plate and is used for driving the traction plate to slide forward or slide reversely so as to drive the coal cleaning scraper to rotate forward or reversely, so that the coal cleaning vehicle is switched between a loaded state and an unloaded state. The utility model solves the problems of low cleaning efficiency and inflexible cleaning mode of the existing accumulated coal.

Inventors

  • CHEN HAO
  • YAO LEI
  • GAO BO
  • XIE YONGXIN
  • YAO XIAOLEI
  • LIU ZUOQUAN

Assignees

  • 陕西新能选煤技术有限公司

Dates

Publication Date
20260505
Application Date
20250603

Claims (10)

  1. 1. A clear coal device for clearing up belt conveyor bottom accumulated coal, characterized in that includes: A rail (10) arranged at the bottom of the conveyor belt of the belt conveyor along the length direction of the belt conveyor; a coal cleaning vehicle (20) movably arranged on the track (10); The coal cleaning scraping plate (30) is arranged at the bottom of the coal cleaning vehicle (20) in a limiting rotation manner along the width direction of the track (10); the traction plate (40) is arranged on the upper part of the coal cleaning vehicle (20) in a limiting sliding manner along the length direction of the track (10), and the traction plate (40) is vertically arranged on the upper part of the coal cleaning scraper (30) and is movably connected with the coal cleaning scraper (30); The limiting mechanism (50) is arranged between the coal cleaning scraping plate (30) and the traction plate (40) and is used for limiting the sliding displacement of the traction plate (40) and the rotation angle of the coal cleaning scraping plate (30); the driving mechanism is connected with the traction plate (40) and is used for driving the traction plate (40) to slide forward or reversely so as to drive the coal cleaning scraping plate (30) to rotate forward or reversely, so that the coal cleaning vehicle (20) is switched between a loaded state and an unloaded state.
  2. 2. The coal cleaning device for cleaning accumulated coal at the bottom of the belt conveyor according to claim 1, wherein the coal cleaning scraper (30) comprises a cleaning plate (301) and a baffle plate (302) forming a first angle with the cleaning plate (301), a concave groove for accommodating the accumulated coal is formed between the cleaning plate (301) and the baffle plate (302), and rotating shafts (303) connected with the coal cleaning vehicle (20) in a rotating mode are arranged at two ends of the concave groove.
  3. 3. The coal cleaning device for cleaning accumulated coal at the bottom of the belt conveyor according to claim 2, wherein the first angle is 105 ° -135 °, and the baffle (302) and the cleaning plate (301) are made of polyurethane.
  4. 4. A coal cleaning device for cleaning accumulated coal at the bottom of a belt conveyor according to claim 3, characterized in that the traction plate (40) comprises a connecting section (401) and traction sections (402) arranged at two ends of the connecting section (401), sliding grooves (20121) are arranged at two ends of the coal cleaning vehicle (20), the traction plate (40) is slidably arranged in the sliding grooves (20121) and the traction sections (402) arranged outside the sliding grooves (20121) are provided with traction holes (4021) which are convenient for the connection of a driving mechanism, first limiting pieces (403) used for limiting the sliding displacement of the traction plate (40) are symmetrically arranged at two ends of the connecting section (401), and the distance between the two first limiting pieces (403) is adjustable.
  5. 5. The coal cleaning device for cleaning accumulated coal at the bottom of a belt conveyor according to claim 4, wherein the first limiting piece (403) is arranged at the upper part of the connecting section (401) along the width direction of the traction plate (40) and is positioned between two sliding grooves (20121), the first limiting piece (403) is a limiting rod or a limiting plate, and the width of the sliding grooves (20121) is larger than the width of the connecting section (401) and smaller than the length of the first limiting piece (403).
  6. 6. The coal cleaning device for cleaning accumulated coal at the bottom of a belt conveyor according to claim 5, wherein the limiting mechanism (50) comprises a rotating member (501) fixed at intervals in parallel at the upper part of the baffle plate (302) and a second limiting member (502) arranged at intervals in parallel at the upper part of the connecting section (401) and parallel to the first limiting member (403), and the distance between the two second limiting members (502) is adjustable; The rotating parts (501) are located on two sides of the connecting section (401) and between the two second limiting parts (502), the length of each second limiting part (502) is larger than the distance between the two rotating parts (501), and one end, away from the baffle plate (302), of each rotating part (501) is higher than the second limiting part (502).
  7. 7. The coal cleaning apparatus for cleaning bottom coal deposits of a belt conveyor of claim 4, wherein the drive mechanism comprises: A motor; the output shaft of the motor is coaxially connected with the input shaft of the speed reducer through a coupler; The driving roller is connected with an output shaft of the speed reducer through a coupler, and the surface of the driving roller is provided with a left annular groove and a right annular groove which are parallel; The fixed pulley is arranged at the tail of the belt conveyor through a bracket; the fixed end of the forward traction rope is fixed with the left annular groove, and the free end is connected with a traction hole of the machine head after being wound around the left annular groove in the forward direction; The fixed end of the negative traction rope is fixed with the right annular groove, and the free end is reversely wound around the right annular groove and then connected with a traction hole positioned at the tail through a fixed pulley positioned at the tail.
  8. 8. The coal cleaning apparatus for cleaning accumulated coal at the bottom of a belt conveyor according to any one of claims 1 to 7, wherein the coal cleaning vehicle (20) comprises: -a vehicle body (201) located between said rails (10); The travelling wheels (202) are used for movably carrying the coal cleaning vehicle (20), are rotationally symmetrically arranged on two sides of the vehicle body (201), and the travelling wheels (202) are contacted with the travelling surface of the track (10); And the limiting wheels (203) are used for guiding the coal cleaning vehicle (20) to move, the limiting wheels (203) are rotationally symmetrically arranged on two sides of the vehicle body (201), and the limiting wheels (203) are contacted with the side surfaces of the track (10).
  9. 9. The coal cleaning apparatus for cleaning bottom accumulated coal of a belt conveyor according to claim 8, wherein the vehicle body (201) includes: The longitudinal beams (2011) are symmetrically arranged between the rails (10) in parallel, wedge-shaped surfaces (20111) which are convenient for guiding accumulated coal to the coal cleaning scraping plate (30) are arranged at two ends of each longitudinal beam (2011), and the wedge-shaped surfaces (20111) are perpendicular to a plane where the upper surface of each longitudinal beam (2011) is located; The cross beams (2012) are symmetrically arranged between the longitudinal beams (2011) in parallel, and two ends of each cross beam (2012) are vertically fixed with the longitudinal beams (2011); The mounting beam (2013) is parallel to the longitudinal beam (2011), and the mounting beam (2013) is fixedly connected with the upper parts of the longitudinal beam (2011) and the cross beam (2012); -a stiffening beam (2014) parallel to said stringers (2011) and/or said mounting beams (2013) and between said mounting beams (2013), the two ends of said stiffening beam (2014) being respectively fixed perpendicularly to two of said cross beams (2012).
  10. 10. The coal cleaning device for cleaning accumulated coal at the bottom of the belt conveyor according to claim 1, wherein a plurality of travel switches connected with a control system and used for positioning and reversing the position of the coal cleaning vehicle (20) are arranged at two ends of the track (10) and in the middle of the track (10) at intervals, and the travel switches divide the track (10) into a plurality of coal cleaning sections.

Description

Coal cleaning device for cleaning accumulated coal at bottom of belt conveyor Technical Field The utility model relates to the technical field of accumulated coal cleaning devices, in particular to a coal cleaning device for cleaning accumulated coal at the bottom of a belt conveyor. Background The storage and transportation system is an important component of the production system of the coal preparation plant and bears the functions of storing, transferring, transporting and the like of raw coal, commodity coal and gangue. The transportation equipment of the coal separation plant comprises equipment facilities such as a belt conveyor, a scraper conveyor, a chute, a lifting machine and the like, and the belt conveyor has the advantages of large transportation capacity, good safety, strong stability, low operation cost, long transportation distance and the like, and becomes the transportation equipment commonly used in the coal separation plant. In the running process of the belt conveyor, accumulated coal is often present at the bottom of the belt conveyor due to the reasons that the belt conveyor is deviated, uneven in load, and the coal adhered to the belt conveyor cannot be cleaned in time. Usually, coal preparation plants adopt manual mode to clear up the accumulated coal in belt conveyor bottom, because of reasons such as operation space is limited, clear up the accumulated coal degree of difficulty very much, and cleaning efficiency is low, and the cleaning effect is not ideal. Under the condition that accumulated coal cannot be cleaned effectively, the on-site environment is affected, the conveyer belt or the blocking carrier roller is easy to wear, the service lives of the conveyer belt and the carrier roller are shortened, even the conveyer belt is caused to fire, and safety production accidents are caused. Disclosure of utility model In order to solve at least one technical problem, the utility model provides a coal cleaning device for cleaning accumulated coal at the bottom of a belt conveyor, which solves the problems of low cleaning efficiency and inflexible cleaning mode in the existing accumulated coal cleaning. In order to achieve the above purpose, the utility model adopts the following technical scheme: A coal cleaning device for cleaning accumulated coal at the bottom of a belt conveyor, comprising: The track is arranged at the bottom of the conveying belt of the belt conveyor along the length direction of the belt conveyor; The coal cleaning vehicle is movably arranged on the track; The coal cleaning scraping plate is arranged at the bottom of the coal cleaning vehicle in a limiting and rotating manner along the width direction of the track; The traction plate is arranged on the upper part of the coal cleaning vehicle in a limiting sliding manner along the length direction of the track, and is vertically arranged on the upper part of the coal cleaning scraper and movably connected with the coal cleaning scraper; the limiting mechanism is arranged between the coal cleaning scraping plate and the traction plate and used for limiting the sliding displacement of the traction plate and the rotation angle of the coal cleaning scraping plate; the driving mechanism is connected with the traction plate and is used for driving the traction plate to slide forward or reversely so as to drive the coal cleaning scraping plate to rotate forward or reversely, so that the coal cleaning vehicle is switched between a loaded state and an unloaded state. Preferably, the coal cleaning scraping plate comprises a cleaning plate and a baffle plate forming a first angle with the cleaning plate, a concave groove for accommodating accumulated coal is formed between the cleaning plate and the baffle plate, and rotating shafts connected with the coal cleaning vehicle in a rotating mode are arranged at two ends of the concave groove. Preferably, the first angle is 105-135 degrees, and the baffle and the cleaning plate are made of polyurethane. Preferably, the traction plate comprises a connecting section and traction sections arranged at two ends of the connecting section, sliding grooves are formed in two ends of the coal cleaning vehicle, the traction section which is arranged in the sliding grooves in a sliding mode and located outside the sliding grooves is provided with traction holes convenient for connection of the driving mechanism, first limiting pieces used for limiting sliding displacement of the traction plate are symmetrically arranged at two ends of the connecting section, and the distance between the two first limiting pieces is adjustable. Preferably, the first limiting part is arranged on the upper portion of the connecting section in the width direction of the traction plate and is located between the two sliding grooves, the first limiting part is a limiting rod or a limiting plate, and the width of the sliding grooves is larger than that of the connecting section and smaller than that of the first