Non-contact belt deviation identifying and correcting device and method

Abstract

The invention relates to a non-contact belt deviation recognition and correction device which comprises a bearing rack, bearing cross arms, roller frames, carrier rollers, a rotary table mechanism, a telescopic driving rod, a visual monitoring mechanism and a driving circuit, the bearing rack is of a frame structure shaped like a Chinese character'kou ', and the bearing cross arms are all embedded in the bearing rack; the upper end face of the uppermost bearing cross arm is connected with a visual monitoring mechanism, the upper end faces of the other two bearing cross arms are hinged to a roller frame through a rotary table mechanism, each roller frame is provided with at least one carrier roller, the lower end face of each roller frame is connected with a telescopic driving rod, and a driving circuit is connected with the outer side face of the bearing rack. The using method comprises the three steps of system assembly, deviation rectification recognition and deviation rectification adjustment. On one hand, environmental adaptability and universality are high; and on the other hand, the equipment is simple in structure, convenient to operate and maintain and high in deviation rectifying operation precision.

Description

Technical Field

[0001] The present invention relates to a rectification technology device, in particular to a non-contact belt deviation identification and rectification device and its usage method. Background Art

[0002] Most of the existing belt conveyor rectification technologies obtain deviation signals through deviation switches. The deviation switch is a contact sensor, and a rectification signal can only be generated when the edge of the belt touches the rectification switch and causes its displacement. When the conveyor belt and the rectification switch are in contact, certain impact force and friction may be generated, which may cause damage to the surface of the conveyor belt, such as scratches, abrasions, etc. Over time, it may weaken the strength of the conveyor belt, shorten the service life of the conveyor belt, increase the maintenance cost and downtime; the signal output by the deviation switch is a digital signal, and there are only two signals of slight deviation and severe deviation. At the same time, there will also be a certain delay in generating the deviation signal. In some occasions with high requirements for deviation control and fast conveyor belt running speed, this delay may cause a large deviation amount of the conveyor belt in a short time, affecting the transportation effect and even causing problems such as material spillage.

[0003] Currently, most of the rectification power used is mainly hydraulic drive. However, the hydraulic rectification device itself has certain drawbacks. The hydraulic system of the hydraulic rectification device includes multiple components such as oil pumps, oil cylinders, and hydraulic valves, and the structure is complex. After long-term operation of these components, the seals are prone to aging and wear, resulting in hydraulic oil leakage. Once leakage occurs, not only the seals need to be replaced in time, but also hydraulic oil may need to be replenished, increasing the maintenance cost and workload; at the same time, the leakage of hydraulic oil also pollutes the environment. In some places with high environmental requirements, such as the food processing and pharmaceutical production industries, the leakage of hydraulic oil may affect the product quality and even violate relevant environmental protection regulations. The electric rectification system does not have the problem of environmental pollution caused by oil leakage and is more environmentally friendly.

[0004] Therefore, in view of the deficiencies existing in the current actual work, it is necessary to develop a new non-contact belt deviation identification and rectification device and method to meet the needs of actual work. Summary of the Invention

[0005] The purpose of the present invention is to provide a non-contact belt deviation identification and rectification device and its usage method. The invention has a high degree of system integration and modularization. On the one hand, it can effectively meet the needs of belt conveyor rectification operations under various structural types and working environments, with strong environmental adaptability and versatility; on the other hand, the device has a simple structure, convenient operation and maintenance, and high rectification operation accuracy, and can detect the deviation of the conveyor belt in time, so as to effectively improve the stability and reliability of the conveyor belt operation, reduce the occurrence of material spillage and conveyor belt wear caused by deviation, improve the stability and continuity of the belt conveyor operation, and reduce the operation and maintenance costs of the belt conveyor.

[0006] To achieve the above object, the present invention provides a non-contact belt deviation identification and correction device and its usage method:

[0007] A non-contact belt deviation identification and correction device includes a bearing frame, a bearing crossbar, a roller frame, a supporting roller, a turntable mechanism, a telescopic driving rod, a visual monitoring mechanism, and a driving circuit. The bearing frame is a "mouth"-shaped frame structure, whose lower end surface is connected to the ground plane, and its axis is parallel to the horizontal plane. There are three bearing crossbars in total, all embedded in the bearing frame and evenly distributed in the vertical direction. Each bearing crossbar is parallel to the lower end surface of the bearing frame. Among them, the upper end surface of the topmost bearing crossbar is connected to the visual monitoring mechanism, and the upper end surfaces of the remaining two bearing crossbars are each hinged to a roller frame through a turntable mechanism, and at least one supporting roller is provided on each roller frame. The optical axis of the visual monitoring mechanism intersects with the axis of the bearing frame and forms an angle of 10° - 60°, and the optical axis of the visual monitoring mechanism and the axis of the bearing frame are distributed in the same plane perpendicular to the horizontal plane. The axis of the roller frame is parallel to the upper end surface of the bearing crossbar and forms an angle of 60° - 120° with the axis of the bearing frame. The lower end surface of the roller frame is further connected to 1 - 2 telescopic driving rods. The axis of the telescopic driving rod is parallel to the axis of the bearing crossbar, its rear end surface is connected to the upper end surface of the bearing crossbar, and its front end surface is hinged to the lower end surface of the roller frame through a hinge. The driving circuit is connected to the outer side surface of the bearing frame and is electrically connected to the telescopic driving rod and the visual monitoring mechanism.

[0008] Furthermore, guiding sliding grooves are provided on the inner side surfaces of the bearing frame corresponding to the bearing crossbars, and both ends of the bearing crossbar are embedded in the guiding sliding grooves and are slidably connected to the bearing frame through the guiding sliding grooves. At the same time, at least one lifting driving mechanism parallel to its axis is further provided in the guiding sliding grooves, and the bearing crossbar is slidably connected to the guiding sliding grooves through the lifting driving mechanism. The lifting driving mechanism is electrically connected to the driving circuit.

[0009] Further, the visual monitoring mechanism includes a pan-tilt stabilizer, a positioning table, a monitoring camera, a laser cursor lamp, an inclination sensor, and an angle sensor. The pan-tilt stabilizer is connected to the upper end surface of the bearing crossbar, and its upper end surface is connected to the positioning table and coaxially distributed. The positioning table is a cavity structure with a rectangular cross-section, and its upper end surface is connected to at least one monitoring camera. The optical axis of the monitoring camera is parallel to the upper end surface of the positioning table. At least two laser cursor lamps are arranged inside the front end surface of the positioning table, and one laser cursor lamp is respectively arranged on the left side surface and the right side surface of the positioning table. The laser cursor lamps are symmetrically distributed on both sides of the monitoring camera, and the optical axes of the laser cursor lamps are parallel to each other. At the same time, the optical axis of the laser cursor lamp forms an angle of 0° - 60° with the optical axis of the monitoring camera, and the optical axes of the monitoring camera and each laser cursor lamp are respectively distributed in a plane parallel to each other. One inclination sensor and one angle sensor are provided. The inclination sensor is connected to the lower end surface of the positioning table, and another inclination sensor is provided on the pan-tilt stabilizer. The pan-tilt stabilizer, the monitoring camera, the laser cursor lamp, the inclination sensor, and the angle sensor are all electrically connected to the drive circuit.

[0010] Further, the light spot of the laser cursor lamp is in the shape of a "one" character and a "cross" character structure parallel to the axis of the conveyor belt, and the light spots of the laser cursor lamps form any one of a strip-shaped grating structure and a rectangular grid-shaped grating structure parallel to each other within the field of view of the monitoring camera.

[0011] Further, the visual monitoring mechanism is further provided with an auxiliary detection ruler. At least one auxiliary detection ruler is hinged to the front end surface of the side wall of the bearing frame, and its axis forms an angle of 0° - 90° with the front end surface of the side wall of the bearing frame. The auxiliary detection ruler includes a bearing arm and a laser marking lamp. The bearing arm is a strip-shaped structure with a rectangular axial cross-section. A plurality of laser marking lamps are provided, and the laser marking lamps are evenly distributed along the axis of the bearing arm. The optical axes of the laser marking lamps are perpendicular to and intersect with the axis of the bearing arm, and are perpendicular to the axis of the bearing frame at the same time. The laser marking lamps are connected in parallel with each other and are respectively electrically connected to the drive circuit.

[0012] Further, the roller frame and the idler are connected through a shaft seat, and a pressure sensor is connected between the shaft seat and the roller frame, and the pressure sensor is electrically connected to the drive circuit.

[0013] Further, the drive circuit is a circuit system based on a programmable controller. At the same time, another data processing server is provided in the drive circuit, and the data server is located in the conveyor control room, and a video monitoring and recognition program is provided.

[0014] A collection method for a non-contact belt deviation identification and rectification device includes the following steps:

[0015] S1, System assembly. First, assemble the load-bearing frame, load-bearing crossbar, roller frame, idler, turntable mechanism, telescopic drive rod, visual monitoring mechanism, and drive circuit to obtain a finished deviation rectification structure. Then, according to the running direction of the belt conveyor to be detected, set at least two deviation rectification structures along its axis direction, and make the idlers set on the two roller frames of the deviation rectification mechanism respectively abut against and slidably connect with the lower surfaces of the upper and lower conveyor belts of the belt conveyor to be detected. Make the visual monitoring mechanism located directly above the belt conveyor to be detected, and make the detection optical axis of the visual monitoring mechanism intersect with the center line of the upper conveyor belt of the belt conveyor to be detected, then the system assembly can be completed;

[0016] S2, Deviation rectification identification. During the operation of the belt conveyor to be detected, the visual monitoring mechanism monitors the conveying state of the conveyor belt of the belt conveyor to be detected, and calculates the deviation state of the conveyor belt during operation in the vertical and horizontal directions through the background video recognition software;

[0017] S3, Deviation rectification adjustment. When the conveyor belt deflects, drive the telescopic drive rod to run, and drive the roller frame to rotate along the axis of the turntable mechanism by adjusting the telescopic amount of the telescopic drive rod. When the roller frame rotates, adjust the pressure difference between the idlers on both sides of the roller frame and the conveyor belt, so as to achieve the purpose of rectifying the conveyor belt in the horizontal direction; At the same time, adjust the working height of the load-bearing crossbar connected to the bracket through the lifting drive mechanism, so as to achieve the stability of adjusting the conveyor belt tension and conveying direction in the vertical direction, and rectify the conveyor belt through adjusting the tension stability.

[0018] Compared with the prior art, the system of the present invention has a high degree of system integration and modularization. On the one hand, it can effectively meet the needs of deviation rectification operations of belt conveyors under various structural types and working environments, with strong environmental adaptability and versatility; On the other hand, the equipment has a simple structure, is convenient to operate and maintain, and has a high deviation rectification operation accuracy, and can detect the deviation of the conveyor belt in time, so as to effectively improve the stability and reliability of the conveyor belt operation, reduce the occurrence of material spillage and conveyor belt wear caused by deviation, improve the stability and continuity of the belt conveyor operation, and reduce the operation and maintenance costs of the belt conveyor. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the system structure of the present invention;

[0020] Figure 2 It is a partial cross-sectional view of the side of the load-bearing frame when the auxiliary detection ruler is in the working state;

[0021] Figure 3 It is a schematic diagram of the method flow of the present invention. Detailed Embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figure 1 and 2 , a non-contact belt deviation identification and correction device, comprising a bearing frame 1, a bearing crossbar 2, a roller frame 3, a supporting roller 4, a turntable mechanism 5, a telescopic drive rod 6, a visual monitoring mechanism 7, and a drive circuit 8. The bearing frame 1 is in a "mouth"-shaped frame structure, the lower end surface of which is connected to the ground plane, and its axis is parallel to the horizontal plane. There are three bearing crossbars 2 in total, all of which are embedded in the bearing frame 1 and are evenly distributed in the vertical direction. Each bearing crossbar 2 is parallel to the lower end surface of the bearing frame 1. Among them, the upper end surface of the uppermost bearing crossbar 2 is connected to the visual monitoring mechanism 7. The upper end surfaces of the remaining two bearing crossbars 2 are each hinged to a roller frame 3 through a turntable mechanism 5, and at least one supporting roller 4 is provided on each roller frame 3. The optical axis of the visual monitoring mechanism 7 intersects with the axis of the bearing frame 1 and forms an angle of 10° - 60°, and the optical axis of the visual monitoring mechanism 7 and the axis of the bearing frame 1 are distributed in the same plane perpendicular to the horizontal plane. The axis of the roller frame 3 is parallel to the upper end surface of the bearing crossbar 2 and forms an angle of 60° - 120° with the axis of the bearing frame 1. The lower end surface of the roller frame 3 is further connected to 1 - 2 telescopic drive rods 6. The axis of the telescopic drive rod 6 is parallel to the axis of the bearing crossbar 2, the rear end surface of which is connected to the upper end surface of the bearing crossbar 2, and the front end surface is hinged to the lower end surface of the roller frame 3 through a hinge. The drive circuit 8 is connected to the outer side surface of the bearing frame 1 and is electrically connected to the telescopic drive rod 6 and the visual monitoring mechanism 7.

[0024] In this embodiment, guiding sliding grooves 9 are provided on the inner side surfaces of the bearing frame 1 corresponding to the bearing crossbars 2. Both ends of the bearing crossbar 2 are embedded in the guiding sliding grooves 9 and are slidably connected to the bearing frame 1 through the guiding sliding grooves 9. At the same time, at least one lifting drive mechanism 10 parallel to its axis is further provided in the guiding sliding grooves 9, and the bearing crossbar 2 is slidably connected to the guiding sliding grooves 9 through the lifting drive mechanism 10. The lifting drive mechanism 10 is electrically connected to the drive circuit 8.

[0025] Through the cooperation of the provided lifting drive mechanism and the guiding sliding grooves, the working height of the bearing crossbar can be effectively realized, so as to adjust the tension of the conveyor belt of the belt conveyor and overcome the deviation caused by the elongation of the conveyor belt due to aging, etc.

[0026] It should be emphasized that the visual monitoring mechanism 7 includes a pan-tilt stabilizer 71, a positioning table 72, a monitoring camera 73, a laser cursor lamp 74, an inclination sensor 75, and an angle sensor 76. Among them, the pan-tilt stabilizer 71 is connected to the upper end face of the bearing crossbar 2, and its upper end face is connected to the positioning table 72 and distributed coaxially. The positioning table 72 is a cavity structure with a rectangular cross-section, and its upper end face is connected to at least one monitoring camera 73. The optical axis of the monitoring camera 73 is parallel to the upper end face of the positioning table 72. At least two laser cursor lamps 74 are arranged inside the front end face of the positioning table 72, and one laser cursor lamp 74 is respectively arranged on the left side face and the right side face of the positioning table 72. The laser cursor lamps 74 are symmetrically distributed on the left and right sides of the monitoring camera 73, and the optical axes of the laser cursor lamps 74 are parallel to each other. At the same time, the optical axis of the laser cursor lamp 74 forms an angle of 0°-60° with the optical axis of the monitoring camera 73, and the optical axes of the monitoring camera 73 and the laser cursor lamps 74 are respectively distributed in a mutually parallel plane. There is one inclination sensor 75 and one angle sensor 76 respectively. Among them, the inclination sensor 75 is connected to the lower end face of the positioning table 72, and another inclination sensor 75 is arranged on the pan-tilt stabilizer 71. The pan-tilt stabilizer 71, the monitoring camera 73, the laser cursor lamp 74, the inclination sensor 75, and the angle sensor 76 are all electrically connected to the drive circuit 8.

[0027] Further optimized, the light spots of the laser cursor lamps 74 are in the "one" - shaped and "cross" - shaped structures parallel to the axis of the conveyor belt, and the light spots of the laser cursor lamps 74 form any one of the strip-shaped grating structures and rectangular grid-shaped grating structures that are parallel to each other within the field of view of the monitoring camera 73.

[0028] Through the cursor of the laser cursor lamp, it can effectively assist the monitoring camera to accurately detect and identify the offset amount and offset direction of the conveyor belt, improving the accuracy and precision of the conveyor belt offset detection.

[0029] At the same time, the visual monitoring mechanism 7 is further provided with an auxiliary detection ruler 11. There is at least one auxiliary detection ruler 11, which is hinged to the front end face of the side wall of the bearing frame 1, and its axis forms an angle of 0°-90° with the front end face of the side wall of the bearing frame 1. The auxiliary detection ruler 11 includes a bearing arm 111 and a laser marking lamp 112. Among them, the bearing arm 111 is a strip-shaped structure with a rectangular axial cross-section. There are several laser marking lamps 112, and the laser marking lamps 112 are evenly distributed along the axis of the bearing arm 111. The optical axes of the laser marking lamps 112 are perpendicular to the axis of the bearing arm 111 and intersect, and are perpendicular to the axis of the bearing frame 1 at the same time. The laser marking lamps 112 are connected in parallel with each other and are respectively electrically connected to the drive circuit 8.

[0030] When the set auxiliary detection ruler is vertically distributed with the side wall of the bearing frame, it can assist in marking the deviation state of the conveyor belt of the belt conveyor. Moreover, the light spot of the set laser marking lamp can further form a grid-shaped light spot within the field of view of the monitoring camera, thereby further improving the accuracy of detecting the deviation of the conveyor belt.

[0031] In addition, the roller frame 3 and the idler 4 are connected through a shaft seat 12, and the shaft seat 12 is connected to the roller frame 3 through a pressure sensor 13, and the pressure sensor 13 is electrically connected to the drive circuit 8.

[0032] The set pressure sensor can detect the pressure exerted on the idler by the conveyor belt during operation, so as to assist in detecting the deviation direction and deviation amount of the conveyor belt through the change of the pressure value on the one hand, and on the other hand, it can accurately detect the rectifying force during rectification.

[0033] In this embodiment, the drive circuit 8 is a circuit system based on a programmable controller. At the same time, the drive circuit 8 is additionally provided with a data processing server 14, and the data server 14 is located in the conveyor control room, and a video monitoring and recognition program is set.

[0034] As Figure 3 shown, a collection method of a non-contact belt deviation identification and rectification device includes the following steps:

[0035] S1, system assembly. First, assemble the bearing frame, bearing crossbar, roller frame, idler, turntable mechanism, telescopic drive rod, visual monitoring mechanism, and drive circuit to obtain a finished rectification structure. Then, according to the equipment running direction of the belt conveyor to be detected, set at least two rectification structures along its axis direction, and make the idlers set on the two roller frames of the rectification mechanism respectively abut and slide-connect with the lower surfaces of the upper and lower conveyor belts of the belt conveyor to be detected, make the visual monitoring mechanism located directly above the belt conveyor to be detected, and make the detection optical axis of the visual monitoring mechanism intersect with the center line of the upper conveyor belt of the belt conveyor to be detected, then the system assembly can be completed;

[0036] S2, rectification identification. During the operation of the belt conveyor to be detected, the visual monitoring mechanism monitors the conveying state of the conveyor belt of the belt conveyor to be detected, and calculates the deviation state of the conveyor belt in the vertical direction and the horizontal direction during operation through the background video recognition software;

[0037] S3. Deviation correction adjustment: When the conveyor belt deflects, drive the telescopic drive rod to operate, and drive the roller frame to rotate along the axis of the turntable mechanism by adjusting the telescopic amount of the telescopic drive rod. When the roller frame rotates, adjust the pressure difference between the position rollers on both sides of the roller frame and the conveyor belt, so as to achieve the purpose of correcting the conveyor belt in the horizontal direction; at the same time, adjust the working height of the load-bearing crossbar connected to the bracket through the lifting drive mechanism, so as to achieve the stability of adjusting the conveyor belt tension and conveying direction in the vertical direction, and correct the conveyor belt through adjusting the tension stability.

[0038] Compared with the prior art, the system of the present invention has a high degree of system integration and modularization. On the one hand, it can effectively meet the needs of deviation correction operations of belt conveyors under various structural types and working environments, with strong environmental adaptability and versatility; on the other hand, the equipment has a simple structure, is convenient to operate and maintain, and has a high deviation correction operation accuracy, and can detect the deviation of the conveyor belt in time. Therefore, it can effectively improve the stability and reliability of the conveyor belt operation, reduce the occurrence of material spillage and conveyor belt wear caused by deviation, improve the stability and continuity of the belt conveyor operation, and reduce the operation and maintenance costs of the belt conveyor.

[0039] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including one" does not exclude the existence of another identical element in the process, method, article or device including the said element.

[0040] In the description of this specification, terms such as "connection", "installation", "fixation", "setting" are all understood in a broad sense. For example, "connection" can be a fixed connection or indirectly through an intermediate component without affecting the relationship between components and technical effects, or it can be an integral connection or a partial connection. In the case of this example, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention or invention can be understood according to specific circumstances.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A non-contact belt deviation identification and correction device, characterized in that: The non-contact belt deviation identification and correction device includes a load-bearing frame, a load-bearing crossarm, a roller frame, a turntable mechanism, a telescopic drive rod, a visual monitoring mechanism, and a drive circuit. The load-bearing frame is a "mouth"-shaped frame structure, the lower end face of which is connected to the ground plane, and the axis thereof is distributed parallel to the horizontal plane. There are three load-bearing crossarms, all of which are embedded in the load-bearing frame and evenly distributed in the vertical direction. Each load-bearing crossarm is distributed parallel to the lower end face of the load-bearing frame, wherein the upper end face of the load-bearing crossarm located at the top is connected to the visual monitoring mechanism, and the upper end faces of the remaining two load-bearing crossarms are hinged to a roller frame through a turntable mechanism, and each roller frame is provided with at least one roller. The optical axis of the visual monitoring mechanism intersects with the axis of the bearing frame and forms an angle of 10°-60°, and the optical axis of the visual monitoring mechanism and the axis of the bearing frame are distributed in the same plane perpendicular to the horizontal plane, the axis of the roller frame is distributed parallel to the upper end surface of the bearing crossarm, and forms an angle of 60°-120° with the axis of the bearing frame, the lower end surface of the roller frame is further connected with 1-2 telescopic drive rods, the axis of the telescopic drive rod is distributed parallel to the axis of the bearing crossarm, the rear end surface is connected to the upper end surface of the bearing crossarm, and the front end surface is hinged to the lower end surface of the roller frame through a hinge, the drive circuit is connected to the outer side surface of the bearing frame, and is electrically connected to the telescopic drive rod and the visual monitoring mechanism.

2. A non-contact belt deviation identification and correction device according to claim 1, characterized in that: The inner side surfaces of the load-bearing frames corresponding to the load-bearing crossarms are provided with guide slide grooves, and both ends of the load-bearing crossarms are embedded in the guide slide grooves and are slidably connected to the load-bearing frames through the guide slide grooves. At the same time, at least one lifting drive mechanism parallel to the axis of the load-bearing crossarms is provided in the guide slide grooves, and the load-bearing crossarms are slidably connected to the guide slide grooves through the lifting drive mechanism, and the lifting drive mechanism is electrically connected to the drive circuit.

3. The non-contact belt deviation identification and correction device according to claim 1 is characterized in that: The visual monitoring mechanism includes a pan-tilt stabilizer, a positioning platform, a monitoring camera, a laser cursor light, a tilt sensor, and an angle sensor, wherein the pan-tilt stabilizer is connected to the upper end surface of the load-bearing crossarm, and its upper end surface is connected to the positioning platform and coaxially distributed, the positioning platform is a cavity structure with a rectangular cross section, and its upper end surface is connected to at least one monitoring camera, and the optical axis of the monitoring camera is parallel to the upper end surface of the positioning platform, at least two laser cursor lights are arranged in the front end surface of the positioning platform, and a laser cursor light is respectively arranged on the left side and the right side of the positioning platform, and the laser cursor The lights are symmetrically distributed on the left and right sides of the monitoring camera, and the optical axes of the laser cursor lights are parallel to each other. At the same time, the optical axis of the laser cursor light and the optical axis of the monitoring camera form an angle of 0°-60°, and the optical axes of the monitoring camera and each laser cursor light are respectively distributed in a plane parallel to each other. There is only one inclination sensor and one angle sensor, wherein the inclination sensor is connected to the lower end face of the positioning platform, and the gimbal stabilizer is further provided with an inclination sensor. The gimbal stabilizer, monitoring camera, laser cursor light, inclination sensor, and angle sensor are all electrically connected to the driving circuit.

4. A non-contact belt deviation identification and correction device according to claim 3, characterized in that: The light spot of the laser cursor light is an "I"-shaped or "X"-shaped structure distributed parallel to the axis of the conveyor belt, and the light spot of each laser cursor light forms a strip grating structure distributed parallel to each other, as well as any one of a rectangular grid grating structure in the field of view of the monitoring camera.

5. A non-contact belt deviation identification and correction device according to claim 1 or 3, characterized in that: The visual monitoring mechanism is further provided with an auxiliary detection ruler, at least one of the auxiliary detection rulers is hinged to the front end surface of the side wall of the load-bearing frame, and its axis forms an angle of 0°-90° with the front end surface of the side wall of the load-bearing frame. The auxiliary detection ruler includes a load-bearing arm and a laser marking light, wherein the load-bearing arm is a strip structure with a rectangular axial cross-section, and there are a plurality of laser marking lights, each of which is evenly distributed along the axis direction of the load-bearing arm, and the optical axis of each laser marking light is perpendicularly distributed and intersected with the axis of the load-bearing arm, and is also perpendicularly distributed with the axis of the load-bearing frame, and the laser marking lights are connected in parallel with each other and are electrically connected to the drive circuit respectively.

6. The non-contact belt deviation identification and correction device according to claim 1 is characterized in that: The roller frame and the supporting roller are connected via an axle seat, and the axle seat and the roller frame are connected via a pressure sensor, and the pressure sensor is electrically connected to the driving circuit.

7. The non-contact belt deviation identification and correction device according to claim 1 is characterized in that: The driving circuit is a circuit system based on a programmable controller. At the same time, the driving circuit is also provided with a data processing server, and the data server is located in the conveyor control room and is provided with a video monitoring recognition program.

8. A method for using a non-contact belt deviation identification and correction device according to claim 1, characterized in that: The method for using the non-contact belt deviation identification and correction device comprises the following steps: S1, system assembly, first assemble the bearing frame, bearing cross arm, roller frame, roller, turntable mechanism, telescopic drive rod, visual monitoring mechanism, and drive circuit to obtain a finished correction structure, and then set at least two correction structures along the axial direction of the belt conveyor to be detected according to the direction of the belt conveyor equipment to be detected, and make the rollers set on the two roller frames of the correction mechanism respectively abut against and slide against the lower surfaces of the upper and lower conveyor belts of the belt conveyor to be detected, so that the visual monitoring mechanism is located directly above the belt conveyor to be detected, and make the detection optical axis of the visual monitoring mechanism intersect with the center line of the upper conveyor belt of the belt conveyor to be detected, and then the system assembly can be completed; S2, deviation correction identification: during the operation of the belt conveyor to be inspected, the visual monitoring mechanism monitors the conveying state of the conveyor belt of the belt conveyor to be inspected, and calculates the deviation state of the conveyor belt in the vertical and horizontal directions during operation through the background video recognition software; S3, deviation correction adjustment. When the conveyor belt deflects, the telescopic drive rod is driven to operate. The roller frame is driven to rotate along the axis of the turntable mechanism by adjusting the extension amount of the telescopic drive rod. When the roller frame rotates, the pressure difference between the rollers on both sides of the roller frame and the conveyor belt is adjusted, so as to achieve the purpose of correcting the deviation of the conveyor belt in the horizontal direction. At the same time, the working height of the load-bearing crossarm connected to the bracket is adjusted through the lifting drive mechanism, so as to adjust the tension of the conveyor belt and the stability of the conveying direction in the vertical direction, and the conveyor belt is corrected by adjusting the tension stability.

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