CN113200315B - Automatic coal cleaning device for belt tail roller - Google Patents
Automatic coal cleaning device for belt tail roller Download PDFInfo
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- CN113200315B CN113200315B CN202110493234.4A CN202110493234A CN113200315B CN 113200315 B CN113200315 B CN 113200315B CN 202110493234 A CN202110493234 A CN 202110493234A CN 113200315 B CN113200315 B CN 113200315B
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- coal
- tail roller
- shaft
- coal cleaning
- belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/12—Cleaning devices comprising scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/26—Cleaning devices for gathering residue after cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to the technical field of mining transportation equipment, in particular to an automatic coal cleaning device for a belt tail roller, which comprises: a coal collecting tank; the first screw shaft is rotatably arranged in the coal collecting tank and is driven by the first driving source to rotate, so that the coal slag in the coal collecting tank is conveyed to the outside of the coal collecting tank; the fixing frame is arranged between the coal collecting groove and the tail roller in a turnover manner; the coal cleaning plate is arranged on the fixed frame and is used for bearing the coal cinder rolled between the upper belt and the tail roller; the jacking assembly is used for driving the fixed frame and the coal cleaning plate arranged on the fixed frame to turn over; and a lower baffle plate. The coal cleaning plate is provided with a first side face and a second side face opposite to the first side face, the second side face is connected with the fixing frame, and the fixing frame drives the coal cleaning plate to turn towards the direction close to the tail roller under the driving of the jacking and pressing assembly until the first side face of the coal cleaning plate is contacted with the outer circumferential surface of the tail roller. The invention solves the problem of poor coal cleaning effect caused by the fact that the position of the coal cleaning plate cannot be changed when the tail roller is displaced in the prior art.
Description
Technical Field
The invention relates to the technical field of mining transportation equipment, in particular to an automatic coal cleaning device for a belt tail roller.
Background
The belt conveyor is an important component of an underground coal transportation system and is responsible for the underground and aboveground transportation of coal. Once the belt conveyor breaks down, the safety production of a coal mine is seriously influenced, and great economic loss is caused, so that the belt conveyor is ensured to run safely, reliably and efficiently, and is an important work for the safety production of a mine. In daily production, the common main fault of the belt conveyor is belt deviation, so that fallen coal slag blocks the belt, commonly called as belt burying, and causes the fault of the conveyor, thereby influencing the production of a coal mine. The fault reason of belt deviation is mainly that coal slag is scattered on the lower belt due to deviation of coal dropping points, when the lower belt passes through the belt tail roller due to untimely cleaning, the coal slag is mixed between the tail roller and the belt, the local diameter of the tail roller is increased, the belt is deviated, and even the belt is abraded in an accelerated manner.
In order to overcome the problem, an automatic coal cleaning device is mostly adopted, and the tail roller is automatically cleaned under the condition of no shutdown or production halt. The invention patent application with the publication number of CN 111846853A discloses an automatic coal cleaning device for a conveyor roller, which comprises a sludge collection groove arranged in front of the conveyor roller, wherein the sludge collection groove is arranged in a direction parallel to the conveyor roller, a scraper used for scraping coal slime on the surface of the conveyor roller is arranged on one side, close to the conveyor roller, of the sludge collection groove, a friction wheel in contact with the conveyor roller is arranged at one end of the sludge collection groove, and the friction wheel is connected with a coal cleaning screw shaft arranged in the sludge collection groove.
Disclosure of Invention
In view of the above, the invention provides an automatic coal cleaning device for a belt tail roller, and aims to solve the problem that in the prior art, when the tail roller is displaced, the coal cleaning effect is poor because the position of a coal cleaning plate cannot be changed along with the displacement of the tail roller.
In order to achieve the purpose, the invention is realized by the following technical scheme: automatic clear coal device of belt tail roller includes:
the coal collecting groove is arranged on the rack on one side of the tail roller between the upper belt and the lower belt;
the first screw shaft is rotatably arranged in the coal collecting tank and is used for transferring the coal slag in the coal collecting tank to the outside of the coal collecting tank when being driven to rotate by a first driving source;
the fixing frame is arranged between the coal collecting groove and the tail roller in a turnover manner;
the coal cleaning plate is arranged on the fixed frame and is used for bearing the coal cinder rolled between the upper belt and the tail roller;
the top pressing assembly is used for driving the fixed frame and the coal cleaning plate arranged on the fixed frame to overturn; and
the lower baffle is obliquely arranged between the coal collecting groove and the coal cleaning plate, and the coal cinder on the coal cleaning plate slides into the coal collecting groove through the lower baffle;
the coal cleaning plate is provided with a first side face and a second side face opposite to the first side face, the second side face is connected with the fixing frame, and the fixing frame drives the coal cleaning plate to turn towards the direction close to the tail roller under the driving of the jacking assembly until the first side face of the coal cleaning plate is contacted with the outer circumferential surface of the tail roller.
The coal cleaning device is further improved in that two fixing seats are symmetrically arranged at two ends of the fixing frame, two support plates are symmetrically arranged at two ends of the coal collecting groove, a guide shaft arranged at a first end of each fixing seat is in sliding connection with a first arc-shaped sliding groove arranged on the corresponding support plate, a second sliding block connected with a rotating shaft at a second end of each fixing seat is in sliding connection with a second sliding groove arranged on the corresponding support plate, the first sliding groove is located above the second sliding groove, when the guide shaft slides upwards in the first sliding groove, the second sliding block slides in the second sliding groove in the direction far away from the tail roller, and the fixing frame drives the coal cleaning plate to turn towards the direction close to the tail roller.
The invention has the further improvement that the two jacking components correspond to the support plates one by one, and the jacking components comprise:
the guide sleeve is of a hollow structure with an opening at the end part and is fixed on the surface of the inner side of the support plate between the fixed frame and the coal collecting groove; and
the first sliding block is connected in the guide sleeve in a sliding manner;
the sliding block is characterized in that a jacking inclined plane with a narrow top and a wide bottom is arranged at one end of the sliding block, a guide wheel is connected to an upper shaft of a guide shaft between the fixed seat and the support plate, and under the action of a spring arranged in the guide sleeve, the jacking inclined plane is in contact with the outer circumferential surface of the guide wheel and drives the guide shaft to slide upwards in the first sliding groove in the process that the sliding block slides towards the direction close to the fixed frame.
The invention is further improved in that the first driving source comprises a first motor, and the first motor is arranged at the first end of the coal collecting groove and is connected with the end part of the corresponding first spiral shaft.
The invention has the further improvement that the automatic coal cleaning device also comprises an adjusting component which is used for driving the fixing frame and the coal cleaning plate to turn in the direction far away from the tail roller.
A further development of the invention is that the adjustment assembly comprises:
two ends of the linkage shaft are respectively connected with the two support plate rotating shafts and penetrate through the two support plate rotating shafts;
the two first connecting rods are respectively in one-to-one correspondence with the two support plates, and the first end of each first connecting rod is connected with the linkage shaft key on the outer side of the corresponding support plate;
the two second connecting rods are respectively in one-to-one correspondence with the two first connecting rods, the first end of each second connecting rod is connected with the rotating shaft of the end part of the corresponding guide shaft, and the second end of each second connecting rod is connected with the rotating shaft of the second end of the corresponding first connecting rod; and
and the hand wheel is arranged at the end part of the linkage shaft, and when the hand wheel drives the linkage shaft to rotate, the guide shaft can be driven by the first connecting rod to slide downwards in the first sliding groove.
The invention has the further improvement that the automatic coal cleaning device also comprises an upper baffle plate which is arranged on the side surface of the coal collecting groove far away from the tail roller.
The invention further improves that the automatic coal cleaning device also comprises:
the storage bin is arranged at the second end of the coal collecting tank and is communicated with the coal collecting tank, and the coal slag in the coal collecting tank is conveyed to the storage bin under the action of the first spiral shaft; and
and the lifting mechanism is arranged above the storage bin, is communicated with the storage bin and is used for transferring the coal cinder in the storage bin to the upper surface of the upper belt.
A further development of the invention is that the lifting mechanism comprises:
the lower end of the shell is communicated with the storage bin, and the upper end of the shell is provided with a discharge opening positioned above the upper belt;
the second screw shaft is rotatably arranged in the shell, and the lower end of the second screw shaft extends into the storage bin; and
the second driving source is arranged on the shell and used for driving the second screw shaft to rotate;
when the second spiral shaft rotates, the coal cinder in the storage bin is lifted into the shell and conveyed to the upper surface of the upper belt through the discharge opening.
A further improvement of the present invention is that the second driving source includes a second motor installed above the housing and connected to an upper end of the second screw shaft.
Due to the adoption of the technical scheme, the invention has the technical progress that:
when the coal cleaning operation is carried out, under the action of the jacking assembly, the fixing frame drives the coal cleaning plate to turn towards the direction close to the tail roller until the first side surface of the coal cleaning plate is in seamless contact with the outer circumferential surface of the tail roller, so that coal slag carried between the tail roller and the upper belt rolls to the coal cleaning plate and then enters the coal collecting groove through the lower baffle plate, and the coal slag is prevented from falling to the lower belt and then is rolled between the roller and the lower belt again.
A guide shaft at the first end of the fixing seat is connected with the arc-shaped chute I in a sliding manner, a sliding block II connected with a rotating shaft at the second end of the fixing seat is connected with the sliding chute II in a sliding manner, when the guide shaft slides upwards in the sliding chute I, the sliding block II is driven to slide in the sliding chute II in a direction away from the tail roller, at the moment, the second end of the fixing seat is taken as an axis, the fixing frame drives the coal cleaning plate to turn towards a direction close to the tail roller, namely, the first side surface of the coal cleaning plate is in contact with the outer circumferential surface of the tail roller, and therefore coal cinder rolled between an upper belt and the tail roller is received; on the contrary, the linkage shaft is driven to rotate by the hand wheel, the connecting rod pair consisting of the first connecting rod and the second connecting rod drives the guide shaft to slide downwards in the first sliding groove, the second sliding block slides towards the direction close to the tail roller in the second sliding groove, at the moment, the second end of the fixing seat is used as the axis, the fixing frame drives the coal cleaning plate to turn over towards the direction far away from the tail roller, namely, the first side surface of the coal cleaning plate is separated from the outer circumferential surface of the tail roller, so that the coal cleaning plate is convenient to disassemble and assemble, and later maintenance and repair are facilitated.
When the top pressing assembly works, under the action of a spring, in the sliding process of the first sliding block close to the fixing frame, the top pressing inclined plane is in contact with the outer circumferential surface of the guide wheel, the top pressing inclined plane is narrow at the top and wide at the bottom, the guide wheel in contact with the top pressing inclined plane slides along the first sliding block, the guide wheel simultaneously drives the guide shaft to upwards slide in the first sliding groove, the fixing frame and the coal cleaning plate are further driven to overturn towards the tail rolling direction until the first side surface of the coal cleaning plate is in contact with the outer circumferential surface of the tail rolling, when the tail rolling displaces, the spring can dynamically slide and advance through the first driving sliding block in real time, the fixing frame and the coal cleaning plate are driven to dynamically adjust, and finally the first side surface of the coal cleaning plate is in seamless contact with the outer circumferential surface of the tail rolling all the time.
When the first spiral shaft operates, the coal cinder in the coal collecting groove is transferred to the storage bin, the lower end of the second spiral shaft in the lifting mechanism extends into the storage bin, and when the second spiral shaft operates, the coal cinder in the storage bin is transferred to the shell and is conveyed to the upper surface of the upper belt through the discharge opening, so that the coal cinder cleaned by the tail roller is conveyed to the upper surface of the upper belt again while the automatic coal cleaning operation is realized, and the waste is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic view of the overall structure of the automatic coal cleaning device according to the present invention;
FIG. 2 is a schematic view of the mounting bracket of the present invention;
FIG. 3 is an enlarged partial schematic view of the pressing assembly shown in FIG. 2;
FIG. 4 is an enlarged, partial schematic view of the adjustment assembly of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the installation of the pressing ramp and the guide wheel according to the present invention;
description of reference numerals:
10-tail roller, 11-upper belt, 12-lower belt, 20-coal collecting groove, 21-first screw shaft, 22-first driving source, 23-lower baffle, 24-support plate, 241-first chute, 242-second chute, 25-upper baffle, 30-fixed frame, 31-coal cleaning plate, 32-fixed seat, 321-guide shaft, 322-second slider, 323-guide wheel, 40-jacking component, 41-guide sleeve, 42-first slider, 421-jacking inclined surface, 43-spring, 50-adjusting component, 51-linkage shaft, 52-first connecting rod, 53-second connecting rod, 54-hand wheel, 60-storage bin, 71-shell, 711-discharge opening, 72-second screw shaft and 73-second driving source.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system architectures and techniques, in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
The invention provides an automatic coal cleaning device for a belt tail roller, which can be known from the attached drawings 1 to 5 of the specification, and comprises: the coal collecting tank 20, the first screw shaft 21, the fixing frame 30, the coal cleaning plate 31, the top pressing assembly 40 and the lower baffle plate 23. The coal collecting groove 20 is arranged on the rack on one side of the tail roller 10 between the upper belt 11 and the lower belt 12; a first screw shaft 21 rotatably provided in the coal collection tank 20 and transferring the cinder in the coal collection tank 20 to the outside of the coal collection tank 20 when the first screw shaft is driven to rotate by a first driving source 22; the fixing frame 30 is arranged between the coal collecting groove 20 and the tail roller 10 in a reversible manner; the coal cleaning plate 31 is arranged on the fixed frame 30 and is used for bearing the coal cinder rolled between the upper belt 11 and the tail roller 10; the jacking assembly 40 is used for driving the fixed frame 30 and the coal cleaning plate 31 arranged on the fixed frame to turn over; the lower baffle 23 is obliquely arranged between the coal collecting groove 20 and the coal cleaning plate 31, the lower end of the lower baffle 23 is connected with the side wall of the coal collecting groove 20 close to the tail roller 10, the high end of the lower baffle 23 is arranged below the cleaning plate, and the coal cinder on the coal cleaning plate 31 slides into the coal collecting groove 20 through the lower baffle.
The coal cleaning plate 31 has a first side surface and a second side surface opposite to the first side surface, the second side surface is connected to the fixing frame 30, and specifically, the second side surface can be detachably mounted on the fixing frame 30 by screws or clamping.
When the coal cleaning operation is carried out, under the action of the jacking assembly 40, the fixing frame 30 drives the coal cleaning plate 31 to turn towards the direction close to the tail roller 10 until the first side surface of the coal cleaning plate 31 is in seamless contact with the outer circumferential surface of the tail roller 10, so that coal slag carried between the tail roller 10 and the upper belt 11 falls onto the coal cleaning plate 31 and then enters the coal collecting tank 20 through the lower baffle plate 23, and the coal slag is prevented from falling onto the lower belt 12 and then is rolled between the roller and the lower belt 12 again.
As an embodiment, as can be seen from fig. 2 to fig. 4 in the specification, two fixing bases 32 are symmetrically disposed at two ends of the fixing frame 30, two support plates 24 are symmetrically disposed at two ends of the coal collecting chute 20, a guide shaft 321 disposed at a first end of each fixing base 32 is slidably connected to a first arc-shaped chute 241 disposed on the corresponding support plate 24, and a second slider 322 pivotally connected to a second end of each fixing base 32 is slidably connected to a second chute 242 disposed on the corresponding support plate 24. The first sliding groove 241 is located above the second sliding groove 242, and the arc center of the first sliding groove 241 faces the tail roller 10. Specifically, in the actual production, the position change between the first chute 241 and the second chute 242 can be adjusted according to the requirement of the turnover angle of the fixing frame 30 and the coal cleaning plate 31.
When the guide shaft 321 slides upwards in the first sliding groove 241, the second sliding block 322 is driven to slide in the second sliding groove 242 in the direction away from the tail roller 10, at the moment, the second end of the fixing seat 32 is taken as an axis, and the fixing frame 30 drives the coal cleaning plate 31 to turn over in the direction close to the tail roller 10, so that the first side surface of the coal cleaning plate 31 is contacted with the outer circumferential surface of the tail roller 10, and the coal slag falling from the belt 11 and the tail roller 10 is received; on the contrary, when the guide shaft 321 slides downwards in the first sliding groove 241, the second sliding block 322 slides in the second sliding groove 242 towards the direction close to the tail roller 10, at this time, the second end of the fixing seat 32 is used as an axis, and the fixing frame 30 drives the coal cleaning plate 31 to turn towards the direction far away from the tail roller 10, so that the first side surface of the coal cleaning plate 31 is separated from the outer circumferential surface of the tail roller 10, the coal cleaning plate 31 is convenient to disassemble and assemble, and later maintenance and repair are facilitated.
In this embodiment, as can be seen from fig. 2 to 3 of the specification, there are two pressing assemblies 40, and the two pressing assemblies correspond to the support plates 24 one by one, and each pressing assembly 40 includes: a guide sleeve 41, a first slide block 42 and a spring 43. The guide sleeve 41 is of a hollow structure with an open end, and the guide sleeve 41 is fixed on the surface of the inner side of the support plate 24 between the fixing frame 30 and the coal collecting groove 20; the first sliding block 42 is connected in the guide sleeve 41 in a sliding manner; and the spring 43 is arranged in the guide sleeve 41 and has elastic force for driving the first slide block 42 to slide towards the tail roller 10. Specifically, the spring 43 may be fixed in the guide sleeve 41 by a snap-fit manner, and the direction of the force applied by the spring 43 to the first slider 42 is not changed.
The end of the first sliding block 42 is provided with a top pressure inclined plane 421 with a narrow top and a wide bottom, the upper rotating shaft of the guide shaft 321 between the fixed seat 32 and the support plate 24 is connected with a guide wheel 323, under the action of a spring 43 arranged in the guide sleeve 41, the top pressure inclined plane 421 contacts with the outer circumferential surface of the guide wheel 323 in the sliding process of the first sliding block 42 towards the fixed mount 30, and due to the narrow top and the wide bottom of the top pressure inclined plane 421, the guide wheel 323 contacting with the top pressure inclined plane 421 slides along the top pressure inclined plane 421, and simultaneously drives the guide shaft 321 to slide upwards in the first sliding groove 241, so as to drive the fixed mount 30 and the coal cleaning plate 31 to turn towards the tail roller 10 until the first side surface of the coal cleaning plate 31 contacts with the outer circumferential surface of the tail roller 10, when the tail roller 10 displaces, the spring 43 can dynamically slide and advance in real time through the first sliding block 42, drive the fixed mount 30 and the coal cleaning plate 31 to dynamically adjust, and finally realize that the first side surface of the coal cleaning plate 31 and the outer circumferential surface of the tail roller 10 are always in seamless contact.
As an example, as can be seen from fig. 2 in the specification, the first driving source 22 includes a first motor, which is installed at a first end of the coal collecting tank 20 and is connected to an end of the corresponding first screw shaft 21.
Specifically, the first motor is an explosion-proof motor, and an output end of the first motor is connected with a shaft end of the first screw shaft 21 through a coupling. In addition, the first driving source 22 may be a pneumatic motor or a hydraulic motor, which is suitable for driving elements in a complex mine environment.
In this embodiment, as can be seen from fig. 2 and 4 in the specification, the automatic coal cleaning device further includes an adjusting assembly 50 for driving the fixing frame 30 and the coal cleaning plate 31 to turn in a direction away from the tail roller 10. The adjustment assembly 50 includes: a linkage shaft 51, a first connecting rod 52, a second connecting rod 53 and a hand wheel 54. Wherein, two ends of the linkage shaft 51 are respectively connected with the two support plates 24 in a rotating shaft manner and penetrate through the two support plates; the two first connecting rods 52 are respectively in one-to-one correspondence with the two support plates 24, and the first end of each first connecting rod 52 is in key connection with the linkage shaft 51 on the outer side of the corresponding support plate 24; the two second connecting rods 53 are respectively in one-to-one correspondence with the two first connecting rods 52, a first end of each second connecting rod 53 is connected with a rotating shaft at the end part of the corresponding guide shaft 321, and a second end is connected with a rotating shaft at the second end of the corresponding first connecting rod 52; and the hand wheel 54 is arranged at the end part of the linkage shaft 51, and when the hand wheel 54 drives the linkage shaft 51 to rotate, the guide shaft 321 can be driven by the first connecting rod 52 to slide downwards in the first sliding groove 241.
The linkage shaft 51 is driven to rotate by the hand wheel 54, and the connecting rod pair consisting of the first connecting rod 52 and the second connecting rod 53 drives the guide shaft 321 to slide downwards in the first sliding groove 241, the second sliding block 322 slides towards the direction close to the tail roller 10 in the second sliding groove 242, at the moment, the second end of the fixing seat 32 is used as an axis, and the fixing frame 30 drives the coal cleaning plate 31 to turn towards the direction far away from the tail roller 10, so that the first side surface of the coal cleaning plate 31 is separated from the outer circumferential surface of the tail roller 10, the coal cleaning plate 31 is convenient to disassemble and assemble, and later maintenance and repair are facilitated.
As an embodiment, as can be seen from fig. 2 of the specification, the automatic coal cleaning device further comprises an upper baffle 25 which is arranged on the side of the coal collecting groove 20 far away from the tail roller 10. In actual production, because the rotating speed of the tail roller 10 is high and is 3-5 m/s, coal slag is splashed frequently between the tail roller 10 and the upper belt 11, and the upper baffle plate 25 is used for blocking the splashed coal slag to enable the splashed coal slag to fall into the coal collecting groove 20 below.
In this embodiment, as can be seen from fig. 1 of the specification, the automatic coal cleaning device further includes: a storage bin 60 and a lifting mechanism. The storage bin 60 is arranged at the second end of the coal collecting tank 20 and is communicated with the coal collecting tank 20, and the coal slag in the coal collecting tank 20 is conveyed to the storage bin 60 under the action of the first screw shaft 21; and the lifting mechanism is arranged above the storage bin 60, is communicated with the storage bin 60 and is used for transferring the coal cinder in the storage bin 60 to the upper surface of the upper belt 11.
In this embodiment, as can be seen from fig. 1 of the specification, the lifting mechanism includes: a housing 71, a second screw shaft 72, and a second drive source 73. The lower end of the shell 71 is communicated with the storage bin 60, the upper end of the shell is provided with a discharge port 711 positioned above the upper belt 11, and the included angle between the shell 71 and the horizontal plane is 65-80 degrees; the second screw shaft 72 is rotatably arranged in the shell 71, and the lower end of the second screw shaft 72 extends into the storage bin 60; and a second driving source 73 provided on the housing 71 for driving the second screw shaft 72 to rotate.
When the first screw shaft 21 is operated, the coal cinder in the coal collecting groove 20 is transferred to the storage bin 60, the lower end of the second screw shaft 72 in the lifting mechanism extends into the storage bin 60, and when the second screw shaft 72 is operated, the coal cinder in the storage bin 60 is transferred to the shell 71 and is conveyed to the upper surface of the upper belt 11 through the discharge port 711, so that the coal cinder cleaned by the tail roller 10 is conveyed to the upper surface of the upper belt 11 again while the automatic coal cleaning operation is realized, and the waste is avoided.
In this embodiment, as can be seen from fig. 1 of the specification, the second driving source 73 includes a second motor, and the second motor is mounted above the housing 71 and connected to the upper end of the second screw shaft 72.
Specifically, the second motor is an explosion-proof motor, and the output end of the second motor is connected with the upper end of the second spiral shaft 72 through a coupler. In addition, the second driving source 73 may also be a driving element suitable for complex environments of mines, such as a pneumatic motor or a hydraulic motor.
It is noted that, in the present patent application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," comprising, "or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and the phrase" comprising a.once.a.limited element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (7)
1. Automatic clear coal device of belt tail roller, its characterized in that includes:
the coal collecting groove is arranged on the rack on one side of the tail roller between the upper belt and the lower belt;
the first screw shaft is rotatably arranged in the coal collecting tank and is used for conveying the coal slag in the coal collecting tank to the outside of the coal collecting tank when being driven by a first driving source to rotate;
the fixing frame is arranged between the coal collecting groove and the tail roller in a turnover manner;
the coal cleaning plate is arranged on the fixed frame and is used for bearing the coal cinder rolled between the upper belt and the tail roller;
the top pressing assembly is used for driving the fixed frame and the coal cleaning plate arranged on the fixed frame to overturn; and
the lower baffle is obliquely arranged between the coal collecting tank and the coal cleaning plate, and the coal slag on the coal cleaning plate slides into the coal collecting tank through the lower baffle;
the coal cleaning plate is provided with a first side surface and a second side surface opposite to the first side surface, the second side surface is connected with the fixed frame, and the fixed frame drives the coal cleaning plate to turn towards the direction close to the tail roller under the driving of the jacking assembly until the first side surface of the coal cleaning plate is contacted with the outer circumferential surface of the tail roller;
two fixing seats are symmetrically arranged at two ends of the fixing frame, two support plates are symmetrically arranged at two ends of the coal collecting groove, a guide shaft arranged at a first end of each fixing seat is in sliding connection with a first arc-shaped sliding groove arranged on the corresponding support plate, a second sliding block connected with a rotating shaft at a second end of each fixing seat is in sliding connection with a second sliding groove arranged on the corresponding support plate, the first sliding groove is positioned above the second sliding groove, when the guide shaft slides upwards in the first sliding groove, the second sliding block slides in the second sliding groove in the direction away from the tail rolling direction, and the fixing frame drives the coal cleaning plate to turn towards the direction close to the tail rolling direction;
the automatic coal cleaning device also comprises an adjusting component which is used for driving the fixing frame and the coal cleaning plate to turn towards the direction far away from the tail roller; the adjustment assembly includes:
two ends of the linkage shaft are respectively connected with the two support plate rotating shafts and penetrate through the two support plate rotating shafts;
the two first connecting rods are respectively in one-to-one correspondence with the two support plates, and the first end of each first connecting rod is connected with the linkage shaft key on the outer side of the corresponding support plate;
the two second connecting rods are respectively in one-to-one correspondence with the two first connecting rods, the first end of each second connecting rod is connected with the rotating shaft at the end part of the corresponding guide shaft, and the second end of each second connecting rod is connected with the rotating shaft at the second end of the corresponding first connecting rod; and
and the hand wheel is arranged at the end part of the linkage shaft, and when the hand wheel drives the linkage shaft to rotate, the guide shaft can be driven by the first connecting rod to slide downwards in the first sliding groove.
2. The automatic coal cleaning device of the belt tail roller as claimed in claim 1, wherein the number of the top pressing assemblies is two, and the top pressing assemblies correspond to the support plates one by one, and the top pressing assemblies comprise:
the guide sleeve is of a hollow structure with an opening at the end part and is fixed on the surface of the inner side of the support plate between the fixed frame and the coal collecting groove; and
the first sliding block is connected in the guide sleeve in a sliding manner;
the sliding block is characterized in that a jacking inclined plane which is narrow at the top and wide at the bottom is arranged at one end of the sliding block, a guide wheel is connected to a guide shaft between the fixed seat and the support plate through a rotary shaft, and under the action of a spring arranged in the guide sleeve, the jacking inclined plane is in contact with the outer circumferential surface of the guide wheel and drives the guide shaft to slide upwards in the first sliding groove in the process of sliding towards the direction close to the fixed frame.
3. The automatic coal cleaning device of the belt tail roller as claimed in claim 1, wherein the first driving source includes a first motor, and the first motor is installed at the first end of the coal collecting groove and connected with the end of the corresponding first spiral shaft.
4. The automatic coal cleaning device of the belt tail roller is characterized by further comprising an upper baffle plate which is arranged on the side surface of the coal collecting groove far away from the tail roller.
5. The belt tail roller automatic coal cleaning device of any one of claims 1~4 further comprising:
the storage bin is arranged at the second end of the coal collecting tank and is communicated with the coal collecting tank, and the coal slag in the coal collecting tank is conveyed to the storage bin under the action of the first spiral shaft; and
and the lifting mechanism is arranged above the storage bin, is communicated with the storage bin and is used for transferring the coal cinder in the storage bin to the upper surface of the upper belt.
6. The belt tail roller automatic coal cleaning device according to claim 5, wherein the lifting mechanism comprises:
the lower end of the shell is communicated with the storage bin, and the upper end of the shell is provided with a discharge opening positioned above the upper belt;
the second screw shaft is rotatably arranged in the shell, and the lower end of the second screw shaft extends into the storage bin; and
the second driving source is arranged on the shell and used for driving the second screw shaft to rotate;
when the second spiral shaft rotates, the coal slag in the storage bin is lifted into the shell and is conveyed to the upper surface of the upper belt through the discharge opening.
7. The automatic coal cleaning device of the belt tail roller as claimed in claim 6, wherein the second driving source includes a second motor installed above the housing and connected to an upper end of the second screw shaft.
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| CN202110493234.4A CN113200315B (en) | 2021-05-07 | 2021-05-07 | Automatic coal cleaning device for belt tail roller |
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| CN202110493234.4A CN113200315B (en) | 2021-05-07 | 2021-05-07 | Automatic coal cleaning device for belt tail roller |
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| CN115610953B (en) * | 2022-01-24 | 2024-05-07 | 泰戈特（北京）工程技术有限公司 | Automatic cleaning and residue collecting device for tail roller of coal conveying belt machine and coal conveying system |
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