CN216188700U

CN216188700U - Conveyer belt skew detection device and conveyer belt skew detecting system

Info

Publication number: CN216188700U
Application number: CN202122566682.0U
Authority: CN
Inventors: 于春辉; 翟林波; 韩林杰
Original assignee: Inner Mongolia Datang International Tuoketuo Power Generation Co Ltd
Current assignee: Inner Mongolia Datang International Tuoketuo Power Generation Co Ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-05
Anticipated expiration: 2031-10-25

Abstract

The utility model discloses a conveyor belt deviation detection device and a conveyor belt deviation detection system. The device includes: the camera shooting assembly is used for monitoring the running of the conveyor belt and comprises a camera shooting assembly and a label assembly, wherein the label assembly is a strip label, the strip label is fixedly arranged at one end of the rolling shaft and extends for a preset length in the direction of the conveyor belt, and the camera shooting assembly is vertically arranged above one end of the rolling shaft provided with the strip label. The embodiment of the utility model provides a roller bearing one end at conveyer belt device sets up the label subassembly, utilizes the subassembly of making a video recording to monitor conveyer belt device when operation conveyer belt and the offset of the position calculation conveyer belt of label subassembly after that, and then provides early warning information to realize the conveyer belt off tracking early warning, the user of being convenient for in time carries out conveyer belt device's adjustment, prevents to appear further production occurence of failure because of the conveyer belt off tracking.

Description

Conveyer belt skew detection device and conveyer belt skew detecting system

Technical Field

The utility model relates to the technical field of offset detection, in particular to a conveyor belt offset detection device and a conveyor belt offset detection system.

Background

The belt conveyor is an important auxiliary facility in the production flow of a thermal power plant, if the conveying belt is improperly treated after deviation abnormality occurs in the operation process, the service life of the conveying belt is shortened or even torn, and when the conveying belt is torn, the expensive conveying belt is torn in a few minutes, so that the power plant can generate serious economic loss due to stagnation of power production. Therefore, monitoring of the deviation of the conveying belt is an important means, when the deviation of the conveying belt is monitored, early warning is given, problems can be found in time, the situation is prevented from further worsening, and the service life of the conveying belt is prolonged.

At present, a conveyor belt position deviation detection switch is mainly used for deviation monitoring, and the output quantity is switching value, generally two-stage output, 1-stage switching action and 2-stage switching action. The method has the defects that no linear deviation data volume is output, the offset of the conveyor belt cannot be recorded to provide early warning information, and a data volume historical map cannot be provided for analyzing deviation reasons and making an effective deviation correcting scheme.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a conveyor belt deviation detection device and a conveyor belt deviation detection system, and aims to solve the problem that the conveyor belt deviation cannot be recorded to provide early warning information in the prior art.

In order to solve the technical problems, the utility model aims to realize the following technical scheme: the utility model provides a conveyer belt skew detection device, its includes the subassembly of making a video recording that is used for monitoring the conveyer belt operation and is used for judging the label subassembly of conveyer belt skew, the label subassembly is equipped with the strip, the label subassembly set firmly in the roller bearing one end of conveyer belt, just the edge of strip with the edge alignment of conveyer belt, the subassembly of making a video recording is located around the conveyer belt.

Further, the label assembly is a strip label, the strip label is provided with a plurality of first color strips and a plurality of second color strips, and the first color strips and the second color strips are alternately arranged.

Further, the width of the first color band or the second color band is 0.5 cm-5 cm.

Furthermore, the camera shooting assembly is fixedly arranged on a movable telescopic mechanism, the movable telescopic mechanism comprises a telescopic rod and a movable frame, and the telescopic rod is fixedly connected with the movable frame.

Furthermore, the label assembly is silk-screened on the roller.

Further, the length of the roller is larger than the width of the conveyor belt.

Further, the roller comprises a covering part and an exposed part, and the covering part is fixedly connected with the exposed part.

Further, the label assembly is fixedly arranged on the exposed part, and the exposed part and the label assembly are positioned in the visual field range of the camera assembly.

Further, the conveyor belt is a belt.

Further, the camera assembly is a color camera with a mortexa 53 processor.

The utility model also discloses a conveyor belt deviation detection system, which comprises a conveyor belt deviation detection device, an alarm device and an emergency stop control device, wherein the conveyor belt deviation detection device is the conveyor belt deviation detection device as described in any one of the above;

the conveyor belt deviation detection device, the alarm device and the emergency stop control device are communicated in a wireless mode sequentially.

The embodiment of the utility model discloses a conveyor belt deviation detection device and a conveyor belt deviation detection system, wherein the device comprises: the belt conveyor deviation detection device comprises a camera component and a label component, wherein the camera component and the label component are used for monitoring the operation of the conveyor belt, the label component is a strip label, the strip label is fixedly arranged at one end of the roller and extends for a preset length in the direction of the conveyor belt, and the camera component is vertically arranged above one end of the roller provided with the strip label. The embodiment of the utility model provides a roller bearing one end at conveyer belt device sets up the label subassembly, utilizes the subassembly of making a video recording to monitor conveyer belt device when operation conveyer belt and the offset of the position calculation conveyer belt of label subassembly after that, and then provides early warning information to realize the conveyer belt off tracking early warning, the user of being convenient for in time carries out conveyer belt device's adjustment, prevents to appear further production occurence of failure because of the conveyer belt off tracking.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are 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 creative efforts.

FIG. 1 is a schematic diagram of a conveyor belt deviation detecting apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

fig. 3 is a schematic structural diagram of a conveyor belt deviation detecting system according to an embodiment of the present invention.

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 some, not all, embodiments of the present invention. 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.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1, the conveyor belt 1 device includes a plurality of rollers 2 arranged at intervals and a conveyor belt 1 wound around the rollers 2. It should be noted that in order to facilitate the label assembly 4 being secured to the roller 2 and exposed to the field of view of the camera assembly 3, the length of the roller 2 must be greater than the width of the belt 1, preferably with the belt 1 located in the middle of the roller 2. The conveyor belt 1 may be a belt, a rubber belt, or the like.

As shown in fig. 1, the roller 2 includes a covering portion 22 wound by the conveyor belt 1 and exposed portions 21 at two ends of the covering portion 22, the covering portion 22 is fixedly connected with the exposed portions 21, and the label assembly 4 is fixedly disposed on the exposed portion 21 at one end, so that the camera assembly 3 can monitor the positions of the conveyor belt 1 and the label assembly 4. In order to increase the friction of the cover 22 with the conveyor belt 1, the portion of the cover 22 in contact with the conveyor belt 1 may be a rough surface.

In this embodiment, the label assembly 4 is a strip label, and the strip label is fixedly disposed at one end of the roller 2 and extends a predetermined length toward the conveyor belt 1. The strip label can be silk-printed on the roller 2, or glued on the roller 2. The predetermined length of the strip labels extending on the roller 2 is customized according to actual needs, for example, the strip labels may extend to the middle position of the roller 2 or to the end of the conveyor belt 1 far away from the strip labels. As shown in fig. 2, the tape label includes a plurality of first color tapes 41 and a plurality of second color tapes 42, and the first color tapes 41 and the second color tapes 42 are alternately arranged along the length direction of the roller 2. The first color band 41 and the second color band 42 are different in color. For example, the colors of the first color band 41 and the second color band 42 may be: the first color band 41 is a white color band, and the second color band 42 is a black color band; the method can also be as follows: the first color band 41 is a red color band, and the second color band 42 is a black color band. The colors of the first color band 41 and the second color band 42 can be selected by users according to actual needs. The width of the first color band 41 and the second color band 42 is preferably 0.5cm to 5cm, and the specific width can be set according to actual needs.

Further, in order to facilitate the camera module 3 to monitor the positions of the conveyor belt and the label module, the camera module 3 is fixedly arranged on the movable telescopic mechanism, and the movable telescopic mechanism comprises a telescopic rod and a movable frame which are fixedly connected. Utilize the telescopic machanism of telescopic link for the user can adjust the distance of subassembly 3 and strip label 4 of making a video recording according to the monitoring demand, improves monitoring effect. In addition, the position of the camera assembly 3 can be moved by rolling the roller of the movable frame, and the visual field range of the camera assembly 3 can be adjusted. The camera module 3 is preferably a color camera with a mortexa 53 processor.

Further, in an embodiment, the label assembly may be disposed at the same end of all the rollers, an image of a position between the label assembly and the conveyor belt at the same end of all the rollers is acquired by adjusting a visual field of the camera assembly, and an offset amount and an offset direction of the conveyor belt are determined based on the image.

As shown in fig. 3, fig. 3 is a conveyor belt deviation detecting system according to an embodiment of the present invention. As shown in the figure, the conveyor belt deviation detection system comprises a conveyor belt deviation detection device 10, an alarm device 20 and an emergency stop control device 30. The conveyor belt deviation detecting device 10 is any one of the conveyor belt deviation detecting devices described above. When the conveyor belt deviation detecting system operates, the characteristic that shielding is formed on the label assembly when the conveyor belt deviates is utilized, the camera assembly of the conveyor belt deviation detecting device 10 collects and analyzes the positions of the conveyor belt and the label assembly in a preset time period in real time, and the deviation amount of the conveyor belt is calculated according to the difference between the number of the color bands on the tape label when the conveyor belt does not deviate and the number of the tape detected by the current image. If the offset reaches the preset threshold value, the conveyor belt offset detection device 10 generates an alarm signal and sends the alarm signal and the offset picture data to the alarm device 20 in a wireless transmission mode, and when the alarm device 20 obtains the alarm signal and the offset picture data, the conveyor belt emergency stop signal is sent to the emergency stop control device 30, so that the emergency stop control device 30 controls the conveyor belt to stop running. It should be appreciated that the alarm device 20 may be a back-end central management server for big data analysis. The alarm condition of the camera module supports dynamic modification, and can receive the big data of the alarm device 20 to analyze a better alarm condition, thereby reducing false alarm. The conveyor belt deviation detection system can reduce a large number of false alarms by analyzing the belt deviation degree in a period of time, output the deviation degree in real time to carry out big data analysis, support a correction mechanism, and correct the effect of the camera shooting assembly based on the big data analysis result.

While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The conveyor belt deviation detection device is used for deviation detection of a conveyor belt device of a belt conveyor, and the conveyor belt device comprises a plurality of rolling shafts arranged at intervals and a conveyor belt wound on the rolling shafts.

2. The web offset detection apparatus of claim 1 wherein the strip labels include a plurality of first and second color bands that alternate along the length of the roller.

3. The web offset detection apparatus of claim 2, wherein the first and second color bands have a width of 0.5cm to 5 cm.

4. The conveyor belt deviation detecting device of claim 1, wherein the camera assembly is fixedly mounted on a movable telescoping mechanism, the movable telescoping mechanism comprises a telescoping rod and a movable frame, and the telescoping rod and the movable frame are fixedly connected.

5. The conveyor belt offset detection apparatus of claim 1, wherein said label assembly is screen printed on said roller.

6. The conveyor belt deviation detecting apparatus as claimed in claim 1, wherein said roller has a length greater than a width of said conveyor belt, and said conveyor belt is located in a middle of said roller.

7. The conveyor belt deviation detecting device of claim 6, wherein said roller comprises a covering portion and an exposed portion at two ends of said covering portion, said covering portion and said exposed portion are fixedly connected, and said label assembly is fixedly disposed on said exposed portion at one end.

8. The conveyor belt deviation detecting device of claim 1, wherein said conveyor belt is a belt.

9. The conveyor belt deviation detecting apparatus of claim 1 wherein said camera assembly is a color camera having a cortexA53 processor.

10. A conveyor belt deviation detecting system comprising conveyor belt deviation detecting means according to any one of claims 1 to 9, warning means, and emergency stop control means;