CN214358584U

CN214358584U - Closed loop belt conveyor automatic deviation adjusting system based on big data analysis

Info

Publication number: CN214358584U
Application number: CN202120207566.7U
Authority: CN
Inventors: 耿欣; 张震; 张超; 张博; 麻进云; 陈鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-08
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to an automatic tuningout system of closed loop belt conveyor based on big data analysis, including the hopper, set up the belt conveyor who is used for receiving, transporting the material below the hopper to and the control part of control hopper blanking and belt conveyor transportation, the key is: the automatic deviation adjusting device comprises a detection unit, an adjusting unit and deviation adjusting control units, wherein the deviation adjusting control units are respectively in signal connection with the detection unit and the adjusting unit, the detection unit is arranged on two sides of a conveying belt at a blanking point of a belt conveyor, the adjusting unit is arranged at a discharge port of a hopper, and the deviation adjusting control units are arranged in a control part.

Description

Closed loop belt conveyor automatic deviation adjusting system based on big data analysis

Technical Field

The utility model relates to an automatic tuningout system of closed loop belt conveyor based on big data analysis.

Background

A belt conveyor is a machine that transports goods using a continuously running conveyor belt as a carrier. The belt conveyor has the advantages of high efficiency, reliable operation, convenient operation and maintenance and the like, and is widely used in loading and unloading places of bulk cargos such as coal, grain and the like. The seventh port division (hereinafter, seven companies) of Qinhuang island harbor shares Limited is a direct management and use unit of the national cross-over eight-five and nine-five key construction project, namely coal-carbon four-phase engineering, the annual capacity of receiving and discharging coal reaches more than 7000 million tons, and certain contribution is made to the important energy plans of north coal south transportation and the like in China.

In daily use, belt conveyors of seven companies have large differences in coal receiving and discharging types, water content of materials and particle size distribution of the materials, and flow is sometimes not constant (such as in double-line coal blending), so that the instantaneous positions and angles of the materials contacting the surface of a belt are different after the materials are transferred through a chute, and the belt is easily deviated. The traditional method for adjusting the deviation is to directly perform assembly adjustment on related parts (a carrier roller, a trough or a roller and the like) or directly replace failed parts. In specific operation, the method generally depends on the experience of equipment maintenance personnel to carry out shutdown, adjustment and replacement, and has the defects of great randomness, poor timeliness, unstable and ideal final effect, delayed cargo delivery and the like. In addition, after the conveyer is adjusted, the type of conveyed materials is changed, and the conveyer belt is easy to deviate again due to different types, densities and granularities of the materials, so that the transfer efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem the utility model provides an automatic tuningout system of closed loop belt conveyor based on big data analysis has solved the technical problem that the randomness that traditional tuningout method exists is big, the timeliness is poor, final effect is stable inadequately and change off tracking, delay goods transport etc. that the material kind leads to.

In order to solve the above problems, the utility model adopts the following technical proposal:

the utility model provides an automatic tuningout system of closed loop belt conveyor based on big data analysis, includes the hopper, sets up the belt conveyor who is used for receiving, transporting the material in the hopper below to and the control part of control hopper blanking and belt conveyor transportation, the key is: the automatic deviation adjusting device comprises a detection unit, an adjusting unit and deviation adjusting control units, wherein the deviation adjusting control units are respectively in signal connection with the detection unit and the adjusting unit, the detection unit is arranged on two sides of a conveying belt at a blanking point of a belt conveyor, the adjusting unit is arranged at a discharge port of a hopper, and the deviation adjusting control units are arranged in a control part.

The detection unit comprises an elastic sheet mounting seat, a vertical roller and an angle sensor, wherein the elastic sheet mounting seat is L-shaped and has elasticity, one side surface of the elastic sheet mounting seat is fixed with a fixing frame at a blanking point of the belt conveyor, and the other side surface of the elastic sheet mounting seat extends to the outer side of the fixing frame of the belt conveyor;

one end of the vertical roller is fixed with the elastic sheet mounting seat, when the side surface of the vertical roller is pressed, the vertical roller has the freedom degree of swinging left and right around a fixed point, and in an original state, the vertical roller is arranged in a plane vertical to the conveying direction of the conveying belt, and the angle between the vertical roller and the conveying belt ranges from 45 degrees to 130 degrees;

the angle sensor is arranged on the vertical roller and is in signal connection with the deviation adjusting control unit to detect and transmit the swing angle of the vertical roller.

The adjusting unit comprises a telescopic rod, a material receiving plate and a displacement sensor, wherein the end part of one end of the material receiving plate is hinged to the end parts of two side surfaces of the discharge hole of the hopper, the outer side surface of the other end of the material receiving plate is fixed with the telescopic rod of the telescopic rod, and the adjusting unit has the freedom degree of swinging around a hinged shaft hinged with the hopper under the pushing of the telescopic rod;

the telescopic rod is fixed outside the hopper, and the telescopic direction of the telescopic rod is vertical to the blanking direction of the hopper;

the displacement sensor is arranged on the telescopic rod and is in signal connection with the deviation adjusting control unit to detect and transmit the telescopic amount of the telescopic rod.

The deviation adjusting control unit comprises a PID controller, and the detection unit and the adjustment unit are in signal connection with the PID controller.

The automatic deviation adjusting system further comprises a belt scale for detecting real-time flow, the belt scale is arranged at the rear end of the belt conveyor, and a signal output end of the belt scale is in signal connection with the deviation adjusting control unit.

The detecting units are two groups and comprise a left detecting unit and a right detecting unit, the left detecting unit and the right detecting unit are respectively arranged at the left side and the right side of the conveying belt at the blanking point of the belt conveyor, and angle sensors in the left detecting unit and the right detecting unit are respectively in signal connection with the deviation adjusting control unit.

The adjusting units are two groups and comprise a left adjusting unit and a right adjusting unit, the left adjusting unit and the right adjusting unit are respectively arranged on the left side and the right side of the discharge port of the hopper, and displacement sensors in the left adjusting unit and the right adjusting unit are respectively in signal connection with the deviation adjusting control unit.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model discloses a set up the detecting element, the control unit and adjustment unit, the closed loop of conveyer belt position adjustment among the belt conveyor has been formed, flexible volume through position sensor real-time detection telescopic link, through the inclination of angle sensor real-time detection edger roll, the transmission gives the PID controller, the PID controller is through calculating the inclination that converts data into the receipts flitch and the off tracking volume of conveyer belt, the rethread calculates the stretching out volume that the telescopic link should be adjusted, the flexible of real-time control telescopic link, thereby control hopper blanking mouth department receives the angle of flitch, the angle of conveyer belt falls down to the control material, the position.

This use neotype technical scheme realize the real-time of conveyer belt position, the tuningout by oneself for the whereabouts position and the angle of conveyer belt through the adjustment material, tuningout the process and need not shut down the operation and change, tuningout the data accuracy, the timeliness is high, has guaranteed the stability of belt conveyor transportation, has improved transportation efficiency.

Additionally, the technical scheme of the utility model the proportionality coefficient that can set up the proportion unit, integral unit and the differential unit of PID controller to the material of difference, through setting up the proportionality coefficient that corresponds with the material kind, the ejection of compact position of different angles is formed in the discharge gate department of hopper to the control is received the flitch to control the blanking point and the blanking angle of different materials on the belt, guaranteed that the conveyer belt still can accurately tuningout partially when transporting different kinds of materials, the continuous of task of transportation is guaranteed to go on.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the discharge port of the hopper of the present invention.

Fig. 4 is a simplified side view of the present invention.

Fig. 5 is a control schematic diagram of the offset adjustment system of the present invention.

Wherein: 1. hopper, 2, belt conveyor, 3, conveyer belt, 4, shell fragment mount pad, 5, edger roll, 6, angle sensor, 7, mount, 8, tuningout control unit, 9, telescopic link, 10, receipts flitch, 11, displacement sensor, 12, material flow, 13, belt weigher.

Detailed Description

To make the objects, aspects and advantages of the present invention clearer, and in accordance with the following detailed description of certain embodiments of the present invention, it is to be understood that the terms "center," "vertical," "horizontal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship shown in the accompanying drawings, which are used for convenience of description and simplicity of illustration, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1-5, the closed-loop belt conveyor automatic deviation adjusting system based on big data analysis comprises a control part, a hopper 1, a belt conveyor 2 arranged below the hopper 1 for receiving and transporting materials, and a control part for controlling blanking of the hopper 1 and transportation of the belt conveyor 2, and the key is that: the automatic deviation adjusting device comprises a detection unit, an adjusting unit and a deviation adjusting control unit 8 respectively connected with the detection unit and the adjusting unit through signals, wherein the detection unit is arranged on two sides of a conveying belt 3 at a blanking point of a belt conveyor 2, the adjusting unit is arranged at a discharge port of a hopper 1, and the deviation adjusting control unit 8 is arranged in a control part. Through setting up detecting element, adjustment unit and tuningout the control unit 8, carry out real-time detection, adjustment, rectifying to conveyer belt 3, tuningout the process and need not shut down the operation and change, tuningout the data accuracy, the timeliness is high, has guaranteed the stability of 2 transports of belt conveyor, has improved transportation efficiency.

Specifically, regarding the detection unit, in this embodiment, the detection unit includes an elastic sheet mounting seat 4, a vertical roller 5 and an angle sensor 6, the elastic sheet mounting seat 4 is L-shaped and has elasticity, one side surface of the elastic sheet mounting seat 4 is fixed to a fixing frame 7 at a blanking point of the belt conveyor 2, and the other side surface extends to the outer side of the fixing frame 7 of the belt conveyor 2;

one end of the vertical roller 5 is fixed with the spring sheet mounting seat 4, and under the elastic action of the spring sheet mounting seat 4, when the side surface of the vertical roller 5 is pressed, the vertical roller 5 has the freedom degree of swinging left and right around a fixed point, in addition, in an original state, the vertical roller 5 is arranged in a plane vertical to the conveying direction of the conveying belt 3, the angle range between the vertical roller 5 and the conveying belt 3 is 45-130 degrees, and specifically, in the embodiment, in order to ensure that the vertical roller 5 can swing when being pressed, the angle is 90 degrees;

the angle sensor 6 is arranged on the vertical roll 5 and is in signal connection with the deviation adjusting control unit 8 for detecting and transmitting the swing angle of the vertical roll 5 to the deviation adjusting control unit 8 in real time.

When the conveying belt 3 deviates, the vertical roller 5 can be pressed, the vertical roller 5 is pressed, the elastic sheet mounting seat 4 is pressed to deform the conveying belt, meanwhile, the angle sensor 6 detects the swing angle of the vertical roller 5 in real time, detection data are transmitted to the deviation adjusting control unit 8 in real time, and the deviation adjusting control unit 8 calculates and outputs the adjustment amount required to be adjusted by the adjusting unit through data analysis.

Specifically, regarding the adjusting unit, in this embodiment, the adjusting unit includes an expansion link 9, a material receiving plate 10 and a displacement sensor 11, an end of one end of the material receiving plate 10 is hinged to ends of two side surfaces of the discharge port of the hopper 1, and an outer side surface of the other end of the material receiving plate is fixed to the expansion link 9 of the expansion link 9, and has a degree of freedom of swinging around a hinge shaft hinged to the hopper 1 under the pushing of the expansion link 9; in order to ensure the swinging effect of the material receiving plate 10, in the embodiment, the telescopic end of the telescopic rod 9 is hinged with the material receiving plate 10.

In addition, in this embodiment, the telescopic rod 9 is fixed outside the hopper 1, and the telescopic direction of the telescopic rod 9 is perpendicular to the blanking direction of the hopper 1; the telescopic rod 9 has various types, and in the embodiment, in order to be suitable for the environment for transporting coal, the telescopic rod 9 is selected as a hydraulic push rod.

The displacement sensor 11 is arranged on the telescopic rod 9 and is in signal connection with the deviation adjusting control unit 8 for detecting and transmitting the extension amount of the telescopic rod 9 in real time. The stretching amount of the telescopic rod 9 is detected and transmitted in real time to the deviation adjusting control unit 8, the deviation adjusting control unit 8 calculates the stretching amount of the telescopic rod 9 to be further adjusted according to angle signals and displacement signals transmitted by the angle sensor 6 and the displacement sensor 11, so that materials can accurately fall onto the conveying belt 3 from the hopper 1 at a specific angle and a specific material dropping point, and the deviation of the conveying belt 3 is adjusted in real time by controlling the angle of material flow 12 and the material feeding position of the conveying belt 3.

The angle sensor 6, the offset control unit 8 and the displacement sensor 11 in this embodiment have both a signal path from input to output and a signal feedback path from output to input, and the two paths are combined to form a closed loop control system, thereby realizing automatic adjustment of the whole offset system.

In order to comprehensively detect the deviation position and the deviation amount of the belt, in the embodiment, two groups of detection units are arranged, including a left detection unit and a right detection unit, the two detection units are respectively arranged at the left side and the right side of the conveying belt 3 at the blanking point of the belt conveyor 2, and the angle sensors 6 in the left detection unit and the right detection unit are respectively in signal connection with the deviation adjusting control unit 8.

Similarly, in order to comprehensively control the blanking angle and the blanking point of the coal flow, in this embodiment, two sets of adjusting units are provided, including a left adjusting unit and a right adjusting unit, the two sets of adjusting units are respectively provided on the left and right sides of the discharge port of the hopper 1, and the displacement sensors 11 in the left adjusting unit and the right adjusting unit are respectively in signal connection with the deviation adjusting control unit 8. When the coal flow is adjusted, the adjustment control unit sends one-to-one extending instructions to the telescopic rods 9 of the left adjusting unit and the right adjusting unit respectively, and the two telescopic rods 9 stretch according to the stretching instructions of the telescopic rods 9, so that the angle of the material receiving plate 10 is adjusted, and the blanking angle and the blanking point of the coal flow are adjusted.

Furthermore, in order to enable the belt conveyor 2 to perform automatic offset adjustment even under the condition of non-constant flow rate, such as during two-line coal blending, the automatic offset adjustment system in the embodiment further comprises a belt scale 13 for detecting real-time flow rate, the belt scale 13 is arranged at the rear end of the belt conveyor 2, and a signal output end of the belt scale 13 is in signal connection with the offset adjustment control unit 8. The belt weigher 13 feeds back the detected instantaneous flow to the PID controller, so that the belt weigher combines the detection data of the angle sensor 6 and the displacement sensor 11, can calculate the extension amount of the telescopic rod 9 more precisely to control the swing angle of the material receiving plate 10, thereby more accurately controlling the blanking angle and the blanking point of the material, and ensuring that the conveying belt 3 can stably run without deviation under the condition of inconstant flow.

In the present embodiment, the controller of the offset control unit 8 is selected as a PID controller, and the angle sensor 6, the displacement sensor 11 and the belt scale 13 are all connected to the PID controller by signals, and are used to transmit an angle signal, a displacement signal and a flow signal in real time, and send an instruction to the telescopic rod 9 after the calculation of the PID controller.

As for the PID controller, a given value, a proportional unit coefficient, an integral unit coefficient, and a differential unit coefficient need to be input thereto. Specifically, in this embodiment, the given value of PID is the inclination angle of the vertical roll 5, and the actual output value is the action amount of the telescopic rod 9; the displacement signal and the flow signal are auxiliary reference data of the PID controller.

The proportional unit coefficient, the integral unit coefficient, and the differential unit coefficient of the PID are different depending on the type of the material, and in this embodiment, the proportional unit coefficient, the integral unit coefficient, and the differential unit coefficient of different types of coal are obtained through actual transportation and adjustment experience of different types of coal, which is specifically shown in table 1:

TABLE 1

The offset control unit 8 in this embodiment may further include a production server for transmitting coal type information to the PID controller. Before the coal is transported by the belt conveyor, the three control parameters of the PID corresponding to different coal types are input into the controller, and the controller performs big data analysis according to the coal types, the angle signals, the displacement signals and the flow signals which are transmitted in real time, so that the extension value of the telescopic rod 9 and the optimal angle of the material receiving plate 10 are obtained, and the coal flow is adjusted.

In addition, from the time perspective, the proportional action of the PID controller is to control the current error of the system, the integral action is to control the history of the system error, and the derivative action reflects the variation trend of the system error. By utilizing the functions of the PID controller, after the conveying belt 3 runs stably, various running data of the belt conveyor 2, such as coal conditions, coal flow, deviation of the conveying belt 3, angles of the material receiving plates 10 and the like, are recorded in real time, and big data analysis is performed on the data, so that the optimal angles of the material receiving plates 10 under different data combination conditions are obtained, the coal flow is adjusted in real time before deviation is about to occur, and the system can adjust the material receiving plates 10 to the optimal angles in advance when similar production conditions exist next time.

Further, the offset adjustment system in this embodiment takes adjustment of coal flow as an example, and in practical application, it may also be applied to transportation of other bulk commodities.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled 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 depart from the spirit and scope of the embodiments of the present invention.

Claims

1. The utility model provides an automatic tuningout system of closed loop belt conveyor based on big data analysis, includes hopper (1), sets up in hopper (1) below and is used for receiving, belt conveyor (2) of transporting the material to and the control part of control hopper (1) blanking and belt conveyor (2) transportation, its characterized in that: the automatic deviation adjusting device comprises a detection unit, an adjusting unit and a deviation adjusting control unit (8) which is respectively in signal connection with the detection unit and the adjusting unit, wherein the detection unit is arranged on two sides of a conveying belt (3) at a blanking point of a belt conveyor (2), the adjusting unit is arranged at a discharge port of a hopper (1), and the deviation adjusting control unit (8) is arranged in a control part.

2. The closed-loop belt conveyor automatic deviation adjusting system based on big data analysis as claimed in claim 1, characterized in that: the detection unit comprises an elastic sheet mounting seat (4), a vertical roller (5) and an angle sensor (6), wherein the elastic sheet mounting seat (4) is L-shaped and has elasticity, one side surface of the elastic sheet mounting seat (4) is fixed with a fixing frame (7) at a blanking point of the belt conveyor (2), and the other side surface of the elastic sheet mounting seat extends to the outer side of the fixing frame (7) of the belt conveyor (2);

one end of the vertical roller (5) is fixed with the spring plate mounting seat (4), when the side surface of the vertical roller (5) is pressed, the vertical roller has the freedom degree of swinging left and right around a fixed point, in an original state, the vertical roller (5) is arranged in a plane vertical to the conveying direction of the conveying belt (3), and the angle range between the vertical roller (5) and the conveying belt (3) is 45-130 degrees;

the angle sensor (6) is arranged on the vertical roll (5) and is in signal connection with the deviation adjusting control unit (8) for detecting and transmitting the swing angle of the vertical roll (5).

3. The closed-loop belt conveyor automatic deviation adjusting system based on big data analysis as claimed in claim 1, characterized in that: the adjusting unit comprises a telescopic rod (9), a material receiving plate (10) and a displacement sensor (11), the end part of one end of the material receiving plate (10) is hinged to the end parts of two side surfaces of the discharge hole of the hopper (1), the outer side surface of the other end of the material receiving plate is fixed with the telescopic rod (9) of the telescopic rod (9), and the adjusting unit has the freedom degree of swinging around a hinged shaft hinged with the hopper (1) under the pushing of the telescopic rod (9);

the telescopic rod (9) is fixed outside the hopper (1), and the telescopic direction of the telescopic rod (9) is vertical to the blanking direction of the hopper (1);

the displacement sensor (11) is arranged on the telescopic rod (9) and is in signal connection with the deviation adjusting control unit (8) to detect and transmit the telescopic amount of the telescopic rod (9).

4. The closed-loop belt conveyor automatic deviation adjusting system based on big data analysis as claimed in claim 1, characterized in that: the deviation adjusting control unit (8) comprises a PID controller, and the detection unit and the adjustment unit are in signal connection with the PID controller.

5. The closed-loop belt conveyor automatic deviation adjusting system based on big data analysis as claimed in claim 1, characterized in that: the automatic deviation adjusting system further comprises a belt scale (13) used for detecting real-time flow, the belt scale (13) is arranged at the rear end of the belt conveyor (2), and the signal output end of the belt scale (13) is in signal connection with the deviation adjusting control unit (8).

6. The closed-loop belt conveyor automatic deviation adjusting system based on big data analysis as claimed in claim 2, characterized in that: the detecting units are two groups and comprise a left detecting unit and a right detecting unit, the left detecting unit and the right detecting unit are respectively arranged at the left side and the right side of the conveying belt (3) at the blanking point of the belt conveyor (2), and angle sensors (6) in the left detecting unit and the right detecting unit are respectively in signal connection with an offset control unit (8).

7. The closed-loop belt conveyor automatic deviation adjusting system based on big data analysis as claimed in claim 3, characterized in that: the adjusting units are two groups and comprise a left adjusting unit and a right adjusting unit, the left adjusting unit and the right adjusting unit are respectively arranged on the left side and the right side of the discharge port of the hopper (1), and displacement sensors (11) in the left adjusting unit and the right adjusting unit are respectively in signal connection with the deviation adjusting control unit (8).