CN112845165B

CN112845165B - Belt conveyor bulk foreign matter discernment sorting device in advance

Info

Publication number: CN112845165B
Application number: CN202011601128.5A
Authority: CN
Inventors: 刘新华; 张旭; 郝敬宾; 华德正; 王燕; 刘银奎; 梁斌; 刘浩; 路和
Original assignee: China University of Mining and Technology Beijing CUMTB
Current assignee: China University of Mining and Technology Beijing CUMTB
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-12-03
Anticipated expiration: 2040-12-29
Also published as: CN112845165A

Abstract

The invention discloses a belt conveyor large foreign matter identification pre-sorting device which comprises an openable rotary disc device, an external thread lower rotary base, an internal thread upper rotary base, loose leaves, a sorting track, a block sorting disc, a strain type pressure sensor, a pawl braking component, a disc track sliding block, a cross shaft connecting rod, an inner wall fixing base, a circulating intermittent coal discharging device, a reciprocating type manipulator, an annular belt, an inclined plane iron plate, a feeding hole and a rack base. The invention has the beneficial effects that: the foreign matter is sorted by the pre-sorting device with the pressure sensor, the overall safety of the coal belt conveyor is improved, and a good enough visual condition is created for better facilitating machine vision foreign matter recognition.

Description

Belt conveyor bulk foreign matter discernment sorting device in advance

Technical Field

The invention relates to a coal sorting device, in particular to a large foreign matter identification and pre-sorting device for a belt conveyor, and belongs to the technical field of coal mining.

Background

The belt conveyor is an important continuous transportation device in the coal production process. The coal conveying device is safe, reliable and efficient in coal conveying work, is very important for safety of mine operation and improvement of coal production efficiency, but large foreign matters are easy to fall to a belt when the coal conveying device is operated for a long time, so that the belt is longitudinally torn and breaks down, and inevitable loss is caused.

At present, most of large foreign matters in a belt conveyor can be recognized and sorted based on machine vision large foreign matter recognition, but some large foreign matters are deeply buried in a medium-high coal pile, a machine vision foreign matter recognition system recognizes incomplete foreign matter characteristics, causes great obstacles to foreign matter recognition, and reduces the efficiency of belt foreign matter sorting.

Based on this, this application provides a belt conveyor bold foreign matter discernment sorting device in advance.

Disclosure of Invention

The invention aims to solve the problems and provide a belt conveyor large foreign matter identification and pre-sorting device.

The invention realizes the purpose through the following technical scheme: a belt conveyor bulk foreign matter identification pre-sorting device comprises an openable rotary disc device and a cyclic intermittent coal discharge device; the rotary disc device capable of being opened and closed is arranged below the cyclic intermittent coal caving device, the rotary disc device capable of being opened and closed is composed of an external thread lower rotary base, an internal thread upper rotary base, a hinge, a sorting track, a block-shaped sorting disc, a pawl braking component, a disc track sliding block, a cross shaft connecting rod and an inner wall fixing base, and the cyclic intermittent coal caving device is composed of a reciprocating manipulator, an annular belt, an inclined plane iron plate, a feeding port and a rack base;

the upper end of the upper rotating base of the internal thread is connected with the blocky sorting disks through bolts through loose leaves, the four blocky sorting disks are combined into a sorting disk, a slider track is arranged at the lower end of the sorting disk, a disk track slider is arranged in the sorting disk, a pawl braking component is arranged at the edge of the upper end of the upper rotating base of the internal thread, the other end of the disk track slider is connected with a cross shaft connecting rod through a pin shaft, the other end of the cross shaft connecting rod is connected with an inner wall fixing base, and the other end of the inner wall fixing base is fixedly connected with the lower rotating base of the external thread;

the feeding hole is located above the annular belt in an inclined mode, reciprocating manipulators are evenly distributed on the periphery of the annular belt, the reciprocating manipulators are installed on an external rack base, and an inclined plane iron plate is arranged below the rack base.

As a still further scheme of the invention: the reciprocating manipulator pushes the coal stacked on the annular belt into the inclined plane iron plate in sequence.

As a still further scheme of the invention: the external thread lower rotating base rotates forwards through an external transmission device and does spiral ascending motion with the internal thread upper rotating base in the vertical direction.

As a still further scheme of the invention: and after the external thread lower rotating base enables the lump sorting discs to be polymerized through rotation, the internal thread upper rotating base is continuously driven to rotate at a high speed.

As a still further scheme of the invention: when the external thread lower rotating base rotates reversely through the external transmission device, the pawl braking component blocks the internal thread upper rotating base to move reversely.

As a still further scheme of the invention: and strain type pressure sensors are arranged at the lower ends of the blocky sorting disks.

The invention has the beneficial effects that: this belt conveyor bold foreign matter discernment sorting device in advance reasonable in design:

1. the coal is spread, so that the machine vision can be better used for identifying foreign matters in the coal;

2. foreign matters deeply buried in coal are separated, so that a mechanical arm of a belt conveyor behind sorts the foreign matters conveniently;

3. the strain pressure sensor tests the gravity of the sorted coal, can flexibly adjust the separation and sorting speed, and saves the sorting energy consumption;

4. for the overlarge or overweight foreign matters, the foreign matters can not be separated in time, and can also sink to the bottom in the sorting process to carry out another step of sorting operation, so that the damage of the subsequent transportation to the belt is avoided;

5. most of the parts are common parts, and the parts are easy to replace and match after being damaged, so the service life is longer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an openable and closable rotating disk device according to the present invention;

FIG. 3 is a schematic structural view of a cyclic intermittent coal discharging device of the present invention.

In the figure: 1. the device comprises a rotary disc device capable of opening and closing, a rotary base under an external thread 101, a rotary base on an internal thread 102, a rotary base on an internal thread 103, a hinge 104, a sorting track 105, a block sorting disc 106, a strain type pressure sensor 107, a pawl braking component 108, a disc track slider 109, a cross shaft connecting rod 110, an inner wall fixing base 2, a circulating intermittent coal discharging device 201, a reciprocating manipulator 202, an annular belt 204, an inclined plane type iron plate 205, a feed inlet 206 and a rack base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, a belt conveyor bulk foreign matter identification pre-sorting device includes an openable and closable rotary disc device 1 and a cyclic intermittent coal discharge device 2; the openable and closable rotary disc device 1 is arranged below the circulating intermittent coal discharging device 2, the openable and closable rotary disc device 1 is composed of an external thread lower rotary base 101, an internal thread upper rotary base 102, a hinge 103, a sorting track 104, a block-shaped sorting disc 105, a pawl braking member 107, a disc track slider 108, a cross shaft connecting rod 109 and an inner wall fixing base 110, and the circulating intermittent coal discharging device 2 is composed of a reciprocating manipulator 201, an annular belt 202, an inclined iron plate 204, a feeding hole 205 and a rack base 206;

the lower external thread rotating base 101 and the upper internal thread rotating base 102 of the openable and closable rotating disc device 1 are in threaded connection, a sorting track 104 is fixedly welded above the upper internal thread rotating base 102, the upper end of the upper internal thread rotating base 102 is connected with a block sorting disc 105 through a hinge 103 by a bolt, four block sorting discs 105 are combined into one sorting disc, a slider track is arranged at the lower end of the sorting disc, a disc track slider 108 is arranged inside the sorting disc, a pawl braking component 107 is arranged at the upper end edge of the upper internal thread rotating base 102, the other end of the disc track slider 108 is connected with a cross shaft connecting rod 109 through a pin shaft, the other end of the cross shaft connecting rod 109 is connected with an inner wall fixing base 110, and the other end of the inner wall fixing base 110 is fixedly connected with the lower external thread rotating base 101;

the feeding hole 205 is located above the annular belt 202 in an inclined manner, the reciprocating manipulators 201 are uniformly distributed around the annular belt 202, the reciprocating manipulators 201 are mounted on the external rack base 206, and the inclined-plane iron plate 204 is arranged below the rack base 206.

In the embodiment of the invention, the reciprocating manipulator 201 sequentially pushes the coal stacked on the annular belt 202 onto the inclined-plane iron plate 204, so that the coal is spread flat, and the machine can better identify foreign matters in the coal by vision.

In the embodiment of the present invention, the external thread lower rotating base 101 rotates forward through the external transmission device, and moves spirally upward with the internal thread upper rotating base 102 in the vertical direction to drive the cross connecting rod 109 to swing until the end point of the swing, so as to assemble the block sorting disks 105 into a sorting disk.

In the embodiment of the invention, after the external thread lower rotating base 101 rotates to polymerize the blocky sorting disks 105, the internal thread upper rotating base 102 is continuously driven to rotate at a high speed, so that the coal falling into the sorting disks is beneficial to centrifugal sorting, and foreign matters deeply buried in the coal are separated from each other, thereby being convenient for a mechanical arm of a belt conveyor to sort the foreign matters.

In the embodiment of the invention, when the external thread lower rotating base 101 rotates reversely through the external transmission device, the pawl braking component 107 blocks the internal thread upper rotating base 102 to move reversely, so that the cross shaft connecting rod 109 swings to drive the disc track sliding block 109 to move outwards, and the block sorting disc 105 is opened and still stays on the sorting disc to settle down, and the oversize or overweight foreign matters cannot be separated in time or sink to the bottom in the sorting process to perform another sorting operation, thereby avoiding the damage of the belt caused by subsequent transportation.

In the embodiment of the invention, the strain type pressure sensor 106 is arranged at the lower end of each block-shaped sorting disc 105, so that the gravity of the sorted coal can be tested, the separation and sorting speed can be flexibly adjusted, and the sorting energy consumption is saved.

The working principle is as follows: when the belt conveyor large foreign matter identification pre-sorting device is used, firstly, the external thread lower rotating base 101 starts to rotate, the vertical direction and the internal thread upper rotating base 102 make spiral ascending motion to drive the cross shaft connecting rod 109 to swing until the end point is reached, so that the blocky sorting disks 105 are aggregated, after aggregation, the external thread lower rotating base 101 and the internal thread upper rotating base 102 rotate at high speed, coal in a rotary loader is transmitted to the upper annular belt through the feed inlet 204, the reciprocating type mechanical arm 201 pushes the coal accumulated on the annular belt 202 into the inclined plane type iron plate 204 according to the working condition and falls into the sorting disks, the coal is sorted by centrifugal force, the coal and the foreign matters are separated from the sorting track 104 in sequence, and the external thread lower rotating base 101 makes reverse motion for the foreign matters with larger volume still staying on the sorting disks, the pawl stop member 107 blocks the reverse movement of the rotating base 102 on the internal thread and the cross-shaft linkage 109 swings to drive the disk track block 109 in an outward direction, thereby opening the block sorting disks 105, which will remain on the sorting disks and settle down for further processing.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A pre-sorting device for identifying large foreign objects on a belt conveyor, comprising an openable and closable rotating disc device (1) and a circulating intermittent coal discharging device (2); it is characterized in that: the openable and closable rotating disc device (2) is characterized in that: The device (1) is arranged below the circulating intermittent coal discharging device (2);

The openable and closable rotating disc device (1) consists of a lower rotating base (101) with an external thread, an upper rotating base (102) with an internal thread, a loose leaf (103), a sorting track (104), and a block sorting disc ( 105), a pawl braking member (107), a disc track slider (108), a cross-axis link (109) and an inner wall fixing base (110);

The circulating intermittent coal discharging device (2) is composed of a reciprocating manipulator (201), an endless belt (202), an inclined plane iron plate (204), a feeding port (205) and a frame base (206);

The lower rotating base (101) of the outer thread of the openable and closable rotating disc device (1) is threadedly connected with the upper rotating base (102) of the inner thread, and the upper part of the upper rotating base (102) of the inner thread is fixed by welding. The sorting track (104), the upper end of the rotating base (102) on the inner thread is connected with the block sorting disc (105) by bolts through the loose leaf (103), and the four block sorting discs (105) are connected by bolts. ) into a sorting disc, the lower end of the sorting disc is provided with a slider track, the disc track slider (108) is installed inside the sorting disc, and the upper edge of the rotating base (102) is installed on the inner thread There is a pawl braking member (107), the other end of the disc track slider (108) is connected with a cross shaft connecting rod (109) through a pin, and the other end of the cross shaft connecting rod (109) is connected to the inner wall fixing base (110) are connected, and the other end of the inner wall fixing base (110) is fixedly connected with the lower rotating base (101) of the external thread;

The feeding port (205) is located obliquely above the endless belt (202), the endless belt (202) is evenly distributed with reciprocating manipulators (201), and the reciprocating manipulator (201) is installed on an external frame base (201). 206), a sloped iron plate (204) is provided below the frame base (206).

2. The device for identifying and pre-sorting large foreign objects on a belt conveyor according to claim 1, wherein the reciprocating manipulator (201) sequentially pushes the coal accumulated on the endless belt (202) into onto the beveled iron plate (204).

3. The pre-sorting device for identifying large foreign objects on a belt conveyor according to claim 1 or 2, characterized in that: the outer thread lower rotating base (101) is rotated forwardly through a peripheral transmission device, And the base (102) is rotated in the vertical direction and on the inner thread to perform a spiral upward motion.

4. The large-block foreign object identification pre-sorting device for a belt conveyor according to claim 3, characterized in that: the outer thread lower rotating base (101) rotates the block-shaped sorting disc (105) After the polymerization, the rotating base (102) on the inner thread is continuously driven to rotate at a high speed.

5. The pre-sorting device for identifying large foreign objects in a belt conveyor according to claim 1, characterized in that: when the outer thread lower rotating base (101) is reversely rotated through a peripheral transmission device, the The pawl braking member (107) blocks the reverse movement of the rotary base (102) on the female thread.

6. The pre-sorting device for identifying large foreign objects on a belt conveyor according to claim 1 or 5, characterized in that: strain gauges are installed on the lower ends of each of the block sorting discs (105). pressure sensor (106).