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CN-116177130-B - Coal dust scraping device for conveyer belt of coal unloader

CN116177130BCN 116177130 BCN116177130 BCN 116177130BCN-116177130-B

Abstract

The invention discloses a coal dust scraping device of a coal unloader conveyer belt, which comprises a base, wherein a sliding groove is formed in the base, a sliding block is connected in the sliding groove in a sealing sliding manner, a U-shaped block is fixedly connected to the upper surface of the sliding block, a pressure adjusting mechanism is arranged on the U-shaped block, the pressure adjusting mechanism comprises a fixing plate a and a fixing plate b, the fixing plate a and the fixing plate b are respectively and fixedly connected with two inner side walls opposite to the U-shaped block, the fixing plate a and the fixing plate b are jointly connected with a cleaning cylinder in a rotating manner through a bearing, the inner side wall of the cleaning cylinder is connected with a gear ring in a rotating manner through a bearing, an installation groove is formed in the inner side wall of the cleaning cylinder, and a pushing block is connected in a sliding manner in the installation groove. The automatic cleaning device has the advantages that the friction force between the cleaning cylinder and the conveying belt can be automatically monitored while the conveying belt is cleaned, the automatic cleaning device is automatically adjusted according to the friction force, the degree of automation is higher, dust can be absorbed while cleaning is performed, and environmental pollution is avoided.

Inventors

  • YAN HAI
  • WANG MINGXIAN
  • WANG XIN

Assignees

  • 淮南鑫达实业有限责任公司

Dates

Publication Date
20260512
Application Date
20221116

Claims (7)

  1. 1. The utility model provides a coal pulverizer conveyer belt buggy scraping device, includes base (1), its characterized in that, sliding tray (2) have been seted up to base (1), sealed sliding connection has slider (3) in sliding tray (2), the fixed connection of slider (3) upper surface has U-shaped piece (4), U-shaped piece (4) are provided with pressure adjustment mechanism; The pressure regulating mechanism comprises a fixed plate a (5) and a fixed plate b (6), wherein the fixed plate a (5) and the fixed plate b (6) are respectively and fixedly connected with two inner side walls opposite to a U-shaped block (4), the fixed plate a (5) and the fixed plate b (6) are jointly connected with a cleaning cylinder (7) in a rotating way through a bearing, the inner side walls of the cleaning cylinder (7) are connected with a gear ring (13) through the bearing in a rotating way, the inner side walls of the cleaning cylinder (7) are provided with a mounting groove (15), a push block (14) is in sliding connection with the mounting groove (15), the inner end wall of the mounting groove (15) is fixedly connected with a force-sensitive resistor (16), the push block (14) is fixedly connected with the gear ring (13), the gear ring (13) is driven by a driving assembly, a functional cavity (19) is formed in the U-shaped block (4), the inner end wall of the functional cavity (19) is fixedly connected with an electromagnet (20), the electromagnet (20) is electrically connected with the force-sensitive resistor (16) through a wire, the functional cavity (19) is internally provided with a conductive block (21), the conductive block (21) is connected with a plurality of conductive blocks (21) in sliding connection with a hollow permanent magnet (24), the hollow permanent magnet (24) is fixedly connected with the hollow permanent magnet (24), the inner side wall of the functional cavity (19) is fixedly embedded with two conductive sheets (26), and the conductive sheets (26) and the conductive blocks (21) are connected with an adjusting assembly.
  2. 2. The coal dust scraping device for the coal pulverizer conveying belt according to claim 1, wherein the adjusting assembly comprises an adjusting motor (32), the adjusting motor (32) is fixedly connected with the side wall of the base (1), the conducting strip (26), the conducting block (21) and the adjusting motor (32) are electrically connected through wires, the liquid cavity (27) is formed in the base (1), the liquid cavity (27) is communicated with the sliding groove (2), a pump plate (28) is in sealing sliding connection in the liquid cavity (27), hydraulic oil (29) is filled between the pump plate (28) and the sliding block (3), the base (1) is connected with a threaded cylinder (30) through bearing penetrating rotation, one end of the threaded cylinder (30) penetrates into the liquid cavity (27), the other end of the threaded cylinder (30) penetrates into the outside of the base (1), one end of the threaded cylinder (31) located in the liquid cavity (27) is fixedly connected with the side wall of the pump plate (28), the threaded cylinder (30) is in interference fit with a driven gear (34), and the driven gear (33) is fixedly meshed with the driven gear (33).
  3. 3. The coal dust scraping device for the conveyor belt of the coal unloader according to claim 1, wherein the driving assembly comprises a driving motor (10), the driving motor (10) is fixedly connected with the side wall of the U-shaped block (4) through a support, the output end of the driving motor (10) is fixedly connected with a main shaft (9), the main shaft (9) is rotatably connected with the U-shaped block (4) and a fixing plate a (5) through a bearing in a penetrating mode and extends into the cleaning cylinder (7), one section of the main shaft (9) located in the cleaning cylinder (7) is provided with a main gear (11) in an interference fit mode, the side wall of the fixing plate a (5) located on one side of the cleaning cylinder (7) is rotatably connected with a plurality of auxiliary gears (12) through the bearing, and the auxiliary gears (12) are meshed with the main gear (11) and a gear ring gear (13) together.
  4. 4. A coal dust scraping device for a coal unloader conveyer belt according to claim 3, characterized in that, a dust collection mechanism is arranged at the position of the U-shaped block (4), the dust collection mechanism comprises a dust storage box (37) with a cross section of which is open and faces to a side in a concave shape, the dust storage box (37) is fixedly connected with the upper surface of the base (1), a filter bag (38) is fixedly connected with the inner wall of the dust storage box (37), the U-shaped block (4) and the fixing plate b (6) jointly penetrate through and fixedly connected with a dust inlet pipe (36), one end of the dust inlet pipe (36) penetrates through and extends into the cleaning barrel (7), the other end of the dust inlet pipe penetrates through and fixedly connected with the top wall of the Chu Chenxiang (37) and extends to the engagement of the dust inlet pipe, a dust collection fan (41) is arranged on the main shaft (9) in an interference fit mode, one end of the dust inlet pipe (36) located in the cleaning barrel (7) is fixedly connected with a dust collection cover (39), and the cleaning barrel (7) is provided with a plurality of dust collection holes (8).
  5. 5. The coal dust scraping device of the coal unloader conveyer belt according to claim 1, wherein an annular groove (17) is formed in the side wall of the fixed plate a, a connecting block (18) is connected in the annular groove (17) in a sliding mode, the connecting block (18) is fixedly connected with the side wall of the gear ring (13), and the cross sections of the connecting block (18) and the annular groove (17) are T-shaped.
  6. 6. The coal dust scraping device for the conveyor belt of the coal unloader according to claim 4, wherein the dust collection cover (39) is fixedly connected with the supporting block (40) through a rod piece, the main shaft (9) is rotatably connected with the side wall of the supporting block (40) through a bearing, and the inner side wall of the cleaning cylinder (7) is fixedly connected with the filter screen (42).
  7. 7. The coal dust scraping device of the coal unloader conveyer belt according to claim 1, wherein limiting grooves (22) are formed in the inner top wall and the inner bottom wall of the functional cavity (19), the functional cavity (19) is slidably connected with the conductive block (21) through the limiting grooves (22), and a first spring (23) is fixedly connected between the conductive block (21) and the inner wall of the functional cavity (19).

Description

Coal dust scraping device for conveyer belt of coal unloader Technical Field The invention relates to the technical field of coal conveying, in particular to a coal dust scraping device of a conveying belt of a coal unloader. Background The coal is a solid combustible mineral which is buried underground by ancient plants and gradually undergoes complex biochemical and physical-chemical changes, after the coal is mined, various processing is needed, raw coal is separated into different products through processing, different uses can be carried out, and after the mined coal is discharged through a coal unloader, the coal is generally conveyed to different processing stations through a conveying belt, so that different processing is carried out. In the process of conveying coal through the conveying belt, coal powder often adheres to the conveying belt, particularly coke, coal and the like, the phenomenon that materials adhere to the surface of the belt is particularly serious, a large amount of coal is adhered to the surface of the conveying belt, so that pollution is caused to the coal conveyed subsequently, the weight of the conveying belt is increased, the load of the conveying belt is increased, and therefore in the process of conveying coal, the coal powder adhered to the conveying belt is often required to be scraped by using a scraping device. In the prior art, the existing scraping device always scrapes off the attached pulverized coal through a rotating cleaning cylinder and friction between the cleaning cylinder and a conveying belt, so that the surface of the conveying belt is ensured to be clean, the friction between the cleaning cylinder and the conveying belt is generally fixed, a small friction force can cause the pulverized coal to be cleaned uncleanly when a pulverized coal adhesion layer is cleaned, the conveying belt is easy to wear out due to the large friction force, the friction force is not adjustable, the use is inconvenient, and in the cleaning process, the pulverized coal flies around to pollute the environment, and the body health of processing staff is influenced. Disclosure of Invention The invention aims to solve the problems in the prior art and provides a coal dust scraping device for a conveyor belt of a coal unloader. In order to achieve the aim, the invention adopts the following technical scheme that the coal dust scraping device of the coal unloader conveyer belt comprises a base, wherein the base is provided with a sliding groove, a sliding block is connected in the sliding groove in a sealing sliding way, the upper surface of the sliding block is fixedly connected with a U-shaped block, and the U-shaped block is provided with a pressure regulating mechanism; The pressure regulating mechanism comprises a fixed plate a and a fixed plate b, wherein the fixed plate a and the fixed plate b are respectively and fixedly connected with two inner side walls opposite to the U-shaped block, the fixed plate a and the fixed plate b are jointly connected with a cleaning cylinder through bearings in a rotating mode, the inner side walls of the cleaning cylinder are connected with a gear ring through bearings in a rotating mode, an installation groove is formed in the inner side walls of the cleaning cylinder, a pushing block is connected in the installation groove in a sliding mode, the inner end wall of the installation groove is fixedly connected with a force-sensitive resistor, the pushing block is fixedly connected with the gear ring, the gear ring is driven by a driving assembly, a functional cavity is formed in the U-shaped block, the inner end wall of the functional cavity is fixedly connected with an electromagnet, the electromagnet is electrically connected with the force-sensitive resistor through a conducting wire, the conducting block is of a hollow structure and is internally connected with a permanent magnet in a sliding mode, a plurality of second springs are fixedly connected between the permanent magnet and the inner walls of the conducting block, and the inner side walls of the functional cavity are fixedly embedded with two conducting plates, and the regulating assembly is jointly connected with the conducting plate and the conducting block. In the coal dust scraping device of the coal unloader conveyer belt, the adjusting assembly comprises an adjusting motor, the adjusting motor is fixedly connected with the side wall of the base, the conducting strip, the conducting block and the adjusting motor are electrically connected through wires, the base is provided with a liquid cavity, the liquid cavity is communicated with the sliding groove, the liquid cavity is hermetically and slidably connected with a pump plate, hydraulic oil is filled between the pump plate and the sliding block, the base is connected with a threaded cylinder through bearing penetrating rotation, one end of the threaded cylinder penetrates into the liquid cavity, the other end of the threaded cyli