Belt anti-tearing device

Abstract

The utility model relates to the technical field of belts, and discloses a belt anti-tearing device which comprises a rack. Two conveying shafts are rotatably arranged in the machine frame, the outer walls of the two conveying shafts are sleeved with a conveying belt, two symmetrically-distributed conveying wheels are rotatably arranged in the machine frame, two fixing plates are arranged in the machine frame, limiting rods are installed on the two sides of the two fixing plates, and movable frames are slidably arranged on the limiting rods. A movable frame is arranged on the rack, a movable shaft is rotationally arranged on the movable frame, a movable wheel is installed on the movable shaft, pressure sensors are installed on the two sides of the movable frame, first springs arranged on the limiting rods in a sleeving mode are arranged between the pressure sensors and the fixed plate, and a cleaning part is arranged in the rack; through cooperation of the movable frame, the movable shaft, the movable wheel, the first spring and the pressure sensor, the tearing condition of the conveying belt can be detected in time when the conveying belt is torn, and shutdown is conducted in time to reduce the tearing degree of the conveying belt.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt technical field, specifically a belt anti -tearing device. BACKGROUND

[0002] The belt conveyor has the advantages of large conveying capacity, simple structure, convenient maintenance and component standardization, and is widely used in mining, metallurgy, coal and other industries to convey bulk materials or piece goods. According to the conveying process requirements, it can be single conveying or multiple units to form a horizontal or inclined conveying system with other conveying equipment to meet the needs of different layout types of operating lines.

[0003] When the material is processed, the material is continuously conveyed to the hopper of the processing equipment by the belt conveyor. When the height of the material accumulated in the hopper is high, the material in the hopper will contact the belt, limiting the conveying of the belt, and causing the belt to be damaged and torn. The existing anti-tearing device uses an image sensor to detect the surface condition of the belt. However, when the belt is torn, the image sensor cannot detect the tear in time and stop the machine, which can easily cause the belt to tear further.

[0004] Therefore, the technical personnel in the art proposes a belt anti-tearing device to solve the problems in the above background. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a belt anti-tearing device to solve the problems in the above background.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A belt anti-tearing device, comprising a rack, two transmission shafts are rotatably arranged in the rack, the outer wall of the two transmission shafts is sleeved with a conveyor belt, a motor connected with one of the transmission shafts is installed on the outer wall of the rack, two symmetrically distributed transmission wheels are rotatably arranged in the rack, two fixed plates are arranged in the rack, a limiting rod is installed on both sides of each fixed plate, a movable frame is slidably arranged on the limiting rod, a movable shaft is rotatably arranged on the movable frame, a movable wheel is installed on the movable shaft, the conveyor belt passes through the transmission wheels and the movable wheels, a pressure sensor is installed on both sides of the movable frame, a first spring sleeved on the limiting rod is arranged between the pressure sensor and the fixed plate, a cleaning component is arranged in the rack to clean the surface of the conveyor belt.

[0008] As a further scheme of the utility model, distance sensors are installed on both sides of the fixed plate.

[0009] As a further scheme of the utility model: the cleaning component includes two symmetrically distributed installation plates in the rack and located at both sides of the conveying belt, a T-shaped rod is slidably arranged on the installation plate, a scraper is installed at one end of the T-shaped rod close to the conveying belt, and a second spring is arranged between the scraper and the installation plate.

[0010] As a further scheme of the utility model: the rack is provided with symmetrically distributed side plates located at both sides of the conveying belt, and the side plate is provided with a brush on the side close to the conveying belt.

[0011] As a further scheme of the utility model: the side plate is provided with an image sensor on the side close to the conveying belt.

[0012] As a further scheme of the utility model: the rack is provided with a controller.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the utility model can detect the tearing of the conveying belt in time when the conveying belt is torn, reduce the tearing degree of the conveying belt in time, and clean the sundries on the surface of the conveying belt through the cleaning component, so that the image sensor can monitor the two sides of the conveying belt in real time. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a belt anti-tearing device.

[0015] Figure 2 It is a structural schematic view of the inside of the rack of a belt anti-tearing device.

[0016] Figure 3 It is Figure 2 It is an enlarged view of part A in the middle.

[0017] In the figure: 1, rack; 2, conveying shaft; 3, conveying cylinder; 4, conveying belt; 5, motor; 6, conveying wheel; 7, movable shaft; 8, movable wheel; 9, movable frame; 10, fixed plate; 11, first spring; 12, pressure sensor; 13, distance sensor; 14, installation plate; 15, T-shaped rod; 16, scraper; 17, second spring; 18, side plate; 19, brush; 20, image sensor; 21, limiting rod; 22, controller. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be further described in detail in combination with the specific embodiments.

[0019] Please refer to Figures 1-3The utility model provides a belt anti -tearing device, including frame 1, two transmission shafts 2 are rotationally arranged in the frame 1, the outer wall of two transmission shafts 2 is equipped with the conveyer belt 4, the outer wall of frame 1 is equipped with the motor 5 connected with one of transmission shaft 2, two symmetrical distribution transmission wheels 6 are rotationally arranged in the frame 1, two fixed plates 10 are arranged in the frame 1, the both sides of two fixed plates 10 are equipped with the limiting rod 21, the movable frame 9 is slidably arranged on limiting rod 21, the movable axle 7 is rotationally arranged on movable frame 9, the movable wheel 8 is installed on movable axle 7, the conveyer belt 4 passes through transmission wheel 6 and movable wheel 8, the both sides of movable frame 9 are equipped with pressure sensor 12, the first spring 11 of being equipped on limiting rod 21 is arranged between pressure sensor 12 and fixed plate 10, the frame 1 is equipped with cleaning part for the surface of conveyer belt 4 is cleaned.

[0020] The movable frame 9 is subjected to the elastic force by the first spring 11, the movable wheel 8 on the movable axle 7 is subjected to the elastic force by the elastic force of the movable frame 9, so that the conveyer belt 4 can be pressed, so that the conveyer belt 4 is in the state of being taut, and the pressure sensor 12 detects the pressure of the movable frame 9, when the conveyer belt 4 is torn, the elastic force of the first spring 11 moves the movable frame 9, so that the movable wheel 8 on the movable axle 7 also moves, so that the conveyer belt 4 is still in the state of being taut, at this time, the pressure data of the pressure sensor 12 changes, the tearing degree of the conveyer belt 4 is judged by the change of the pressure data detected by the pressure sensor 12, when the pressure data detected by the pressure sensor 12 is lower than the set threshold value, the controller 22 sends a signal to stop the motor 5, so that the conveyer belt 4 stops conveying, so that the tearing degree of the conveyer belt 4 can be reduced when the conveyer belt 4 is torn, and the use effect is better.

[0021] In one case of the embodiment, distance sensors 13 are installed on the both sides of the fixed plate 10, the distance between the fixed plate 10 and the movable frame 9 is detected by the distance sensors 13, so that the tearing degree of the conveyer belt 4 can be intuitively understood.

[0022] In one case of the embodiment, the cleaning part includes two installation plates 14 symmetrically distributed in the frame 1 and located on both sides of the conveyer belt 4, a T-shaped rod 15 is slidably arranged on the installation plate 14, a scraper 16 is installed on one end of the T-shaped rod 15 close to the conveyer belt 4, a second spring 17 is arranged between the scraper 16 and the installation plate 14, under the action of the second spring 17, the scraper 16 is attached to both sides of the conveyer belt 4, so that the scraper 16 can clean the impurities on the surface of the conveyer belt 4 during the conveying of the conveyer belt 4, avoiding the influence of impurities on the conveying and image detection of the conveyer belt 4.

[0023] In one case of the embodiment, the frame 1 is provided with the side plates 18 symmetrically distributed and located on both sides of the conveying belt 4, and the side plate 18 is provided with a brush 19 on the side close to the conveying belt 4, and the brush 19 is used for cleaning the dust and impurities on the surface of the conveying belt 4.

[0024] In one case of the embodiment, the side plate 18 is provided with an image sensor 20 on the side close to the conveying belt 4, and the image sensor 20 is used for shooting the two sides of the conveying belt 4, and the use condition of the conveying belt 4 is judged through the shooting image, so that the conveying belt 4 can be maintained in time.

[0025] In one case of the embodiment, the frame 1 is provided with a controller 22, which is used for receiving a signal to control the start and stop of the motor 5.

[0026] The working principle of the utility model is: through the first spring 11, the movable frame 9 is subjected to elastic force, through the elastic force of the movable frame 9, the movable wheel 8 on the movable shaft 7 is subjected to elastic force, so that the conveying belt 4 can be subjected to pressure, the conveying belt 4 is in the state of being taut, and the pressure sensor 12 detects the pressure of the movable frame 9, when the conveying belt 4 is torn, under the action of the first spring 11, the elastic force of the first spring 11 makes the movable frame 9 move, the movable wheel 8 on the movable shaft 7 also moves, so that the conveying belt 4 is still in the state of being taut, at this time, the pressure data of the pressure sensor 12 changes, the tearing degree of the conveying belt 4 is judged through the change of the pressure data detected by the pressure sensor 12, when the pressure data measured by the pressure sensor 12 is lower than the set threshold value, the controller 22 sends a signal, so that the motor 5 stops, so that the tearing degree of the conveying belt 4 can be reduced in time, and the use effect is better.

[0027] The utility model cooperates movable frame 9, movable shaft 7, movable wheel 8, first spring 11 and pressure sensor 12, can detect the tearing condition of the conveying belt 4 in time when the conveying belt 4 is torn, and reduce the tearing degree of the conveying belt 4 in time, and the cleaning component can clean the sundries on the surface of the conveying belt 4, so that the image sensor 20 can monitor the two sides of the conveying belt 4 in real time.

[0028] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims should be included in the utility model. Any figure mark in the claims should not be regarded as limiting the involved claims.

[0029] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A belt rip guard comprising a frame, characterised in that, The two conveying shafts are rotatably arranged in the frame, the outer wall of the two conveying shafts is sleeved with a conveying belt, the outer wall of the frame is provided with a motor connected with one of the conveying shafts, two symmetrically distributed conveying wheels are rotatably arranged in the frame, two fixing plates are arranged in the frame, a limiting rod is arranged on the two sides of the two fixing plates, a movable frame is slidably arranged on the limiting rod, a movable shaft is rotatably arranged on the movable frame, a movable wheel is arranged on the movable shaft, the conveying belt passes through the conveying wheels and the movable wheels, a pressure sensor is arranged on the two sides of the movable frame, a first spring sleeved on the limiting rod is arranged between the pressure sensor and the fixing plate, a cleaning component is arranged in the frame to clean the surface of the conveying belt.

2. A belt rip guard according to claim 1, wherein, Distance sensors are arranged on the two sides of the fixing plate.

3. A belt rip guard according to claim 1, wherein The cleaning component comprises two symmetrically distributed mounting plates arranged in the frame and located on the two sides of the conveying belt, a T-shaped rod is slidably arranged on the mounting plate, a scraper is arranged on the end of the T-shaped rod close to the conveying belt, and a second spring is arranged between the scraper and the mounting plate.

4. A belt rip guard according to claim 3, wherein Edge plates symmetrically distributed and located on the two sides of the conveying belt are arranged in the frame, and brushes are arranged on the side of the edge plates close to the conveying belt.

5. A belt rip guard according to claim 4, wherein, Image sensors are arranged on the side of the edge plates close to the conveying belt.

6. A belt rip guard according to claim 1, wherein A controller is arranged in the frame.

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