Anti-tearing protection device of belt conveyor

Abstract

The utility model belongs to the field of conveyor protection devices, and provides a belt conveyor anti-tearing protection device which comprises a controller. The supporting frame is erected between the upper belt and the lower belt of the conveying belt, a collecting box is installed on the upper surface of the supporting frame, a sensing assembly is installed in the collecting box, the sensing assembly is in communication connection with the controller, and the controller is electrically connected with the conveying belt driving assembly; the tensioning assembly comprises a plurality of connecting assemblies and a plurality of tensioning wheels, the connecting assemblies are fixed to the side wall of the supporting frame, and the tensioning wheels are rotationally installed at the ends of the connecting assemblies; through the arrangement of the supporting frame, the collecting box, the sensing assembly and the controller, the belt tearing condition can be accurately sensed, a protection mechanism can be triggered in time, large-area belt tearing and large-amount material leakage caused by detection errors or delay are effectively avoided, the protection effect on the belt conveyor is greatly improved, and the safety of the belt conveyor is improved. And the equipment maintenance cost and replacement cost are reduced.

Description

Technical Field

[0001] The utility model belongs to the field of conveyor protection devices, in particular to an anti-tearing protection device for a belt conveyor. Background Art

[0002] During long-term operation, belt conveyors are prone to belt tearing due to a variety of factors, including the intrusion of sharp foreign objects (such as metal blocks and tools) into the material, belt aging, reduced strength at interfaces, and equipment failures that cause serious belt deviation. Once a belt tears, it not only causes material leakage and pollutes the working environment, but also causes the entire conveyor system to shut down, seriously impacting production continuity. Repairing or replacing the belt during downtime requires a significant amount of manpower, material resources, and time, resulting in significant economic losses for the company, including lost output value due to production stagnation, increased maintenance costs, and the risk of default due to delayed delivery.

[0003] Existing mechanical anti-tear devices rely on the belt being torn to touch a switch to trigger an alarm. This device has the problem of low detection sensitivity and may not be able to detect smaller tears in time. It is also easy to cause false alarms or no alarms due to wear and jamming of mechanical parts.

[0004] Therefore, those skilled in the art have proposed a belt conveyor anti-tearing protection device to solve the problems raised in the background art. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a belt conveyor anti-tear protection device to solve the problem of low detection sensitivity and easy false alarm or no alarm in the anti-tear device in the prior art.

[0006] Belt conveyor anti-tear protection device, including:

[0007] Controller;

[0008] A support frame, the support frame is mounted between the upper belt and the lower belt of the conveyor belt, a collection box is installed on the upper surface of the support frame, a sensor component is installed in the collection box, the sensor component is communicatively connected to the controller, and the controller is electrically connected to the conveyor belt drive component;

[0009] The tensioning assembly includes a plurality of connecting assemblies and a plurality of tensioning wheels. The connecting assemblies are fixed to the side walls of the support frame, and the tensioning wheels are rotatably installed at the ends of the connecting assemblies.

[0010] Preferably, the connecting assembly includes a connecting frame, an adjusting rod and a tightening knob, the connecting frame is fixed to the side wall of the support frame, the adjusting rod is rotatably connected to the connecting frame, the tightening knob is installed at the adjusting rod and the connecting frame, and the tensioning wheel is installed at the end of the adjusting rod.

[0011] Preferably, a wire channel is fixedly connected to the outer wall of the collection box.

[0012] Preferably, a limit plate is fixedly connected to the bottom surface of the collection box, a limit rail is provided on the upper surface of the support frame, and the limit plate is slidably engaged with the limit rail.

[0013] Preferably, a handle is fixedly connected to the front end surface of the collection box.

[0014] Preferably, the sensor component is installed on the inner wall of the collection box, and the sensor component adopts an infrared sensor.

[0015] Preferably, the sensor component is installed on the inner wall of the collection box, and the sensor component adopts an ultrasonic sensor.

[0016] Preferably, the sensor component is installed at the bottom of the collection box, and the sensor component adopts a pressure sensor.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The utility model is provided with a support frame, a collection box, a sensor component and a controller, which can accurately sense the belt tearing situation and trigger the protection mechanism in time, stop the conveyor belt drive component in time, reduce the production interruption time caused by equipment failure, ensure the continuity of the production process, and effectively avoid large-scale belt tearing and large-scale material leakage caused by detection errors or delays, greatly improving the protection effect of the belt conveyor and reducing the equipment maintenance cost and replacement cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 Schematic diagram of the three-dimensional structure of the support frame;

[0022] Figure 4 It is a schematic diagram of the right side three-dimensional structure of the present invention.

[0023] In the picture:

[0024] 1. Controller; 2. Support frame; 201. Limit rail; 3. Collection box; 301. Sensor assembly; 302. Wire channel; 4. Connecting assembly; 401. Connecting frame; 402. Adjusting rod; 403. Tightening knob; 5. Tensioning pulley; 6. Limit plate; 7. Handle. DETAILED DESCRIPTION

[0025] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0026] Example 1: As shown in the attached Figure 1 and attached Figure 2 As shown: The utility model provides a belt conveyor anti-tearing protection device, comprising: a controller 1, a support frame 2 and a tensioning assembly;

[0027] The support frame 2 is erected between the upper belt and the lower belt of the conveyor belt. A collection box 3 is installed on the upper surface of the support frame 2. A sensor component 301 is installed in the collection box 3. The sensor component 301 is communicatively connected to the controller 1, and the controller 1 is electrically connected to the conveyor belt drive component. A wire channel 302 is fixedly connected to the outer wall of the collection box 3. When a longitudinal transmission crack appears on the conveyor belt, the material falls from the upper surface of the conveyor belt and falls into the collection box 3 from the crack. The sensor component 301 recognizes the falling material and outputs a probe signal to the controller 1. After the controller 1 judges and processes the signal, it quickly outputs the conveyor belt drive component to stop, thereby achieving the purpose of protecting the conveyor belt, saving costs and improving production efficiency.

[0028] The tensioning assembly includes several connecting assemblies 4 and several tensioning wheels 5. The connecting assemblies 4 are fixed to the side walls of the support frame 2, and the tensioning wheels 5 are rotatably installed at the ends of the connecting assemblies 4. The tensioning wheels still keep the conveyor belt in a taut state to avoid overlapping of the conveyor belt.

[0029] As attached Figure 3 and attached Figure 4 As shown: the connecting component 4 includes a connecting frame 401, an adjusting rod 402 and a tightening knob 403, the connecting frame 401 is fixed to the side wall of the support frame 2, the adjusting rod 402 is rotatably connected to the connecting frame 401, the tightening knob 403 is installed on the adjusting rod 402 and the connecting frame 401, and the tensioning wheel 5 is installed at the end of the adjusting rod 402; by setting the adjusting rod 402 to cooperate with the connecting frame 401, the tensioning wheel 5 can be rotated along the support frame 2 to adjust the position, and the position of the adjusting rod 402 can be locked and fixed by manually rotating the tightening knob 403, so that the tensioning wheel 5 keeps the conveyor belt in a tensioned state.

[0030] The bottom surface of the collection box 3 is fixedly connected to a limiting plate 6, and a limiting rail 201 is provided on the upper surface of the support frame 2. The limiting plate 6 slides with the limiting rail 201, and the front end surface of the collection box 3 is fixedly connected to a handle 7; by setting the limiting plate 6 and the limiting rail 201, the collection box 3 can slide stably along the support frame 2, which is convenient for the subsequent extraction of the collection box 3, and the materials that fall into the collection box 3 can be taken out for cleaning and maintenance, thereby ensuring the subsequent stable monitoring and protection of the conveyor belt.

[0031] The sensor component 301 is installed on the inner wall of the collection box 3, and the sensor component 301 adopts an infrared sensor.

[0032] As can be seen above, when the conveyor belt is operating normally, the infrared sensor mounted on the inner wall of collection box 3 continuously transmits infrared signals and receives reflected signals, maintaining its initial monitoring state. However, if a longitudinal crack develops on the conveyor belt, material will fall through the crack into collection box 3. As the material falls, it blocks the infrared sensor's transmission and reception signal paths, causing the infrared sensor's received signal to change. Upon recognizing this signal change, the infrared sensor converts it into an electrical signal and outputs it to controller 1. Upon receiving the signal, controller 1 processes it based on pre-set logic and algorithms, determining that the signal change is due to the falling material caused by the belt tear, rather than other interference factors.

[0033] After judgment and confirmation, the controller 1 quickly outputs a control signal to the conveyor belt drive component to stop the drive component from running, thereby preventing the belt tear from further expanding, protecting the conveyor belt, avoiding material leakage and production accidents, and achieving the purpose of saving costs and improving production efficiency.

[0034] Embodiment 2: Based on embodiment 1, the sensor component 301 is installed on the inner wall of the collection box 3, and the sensor component 301 adopts an ultrasonic sensor.

[0035] As can be seen from the above, during normal operation, the ultrasonic sensor installed on the inner wall of the collection box 3 continuously emits ultrasonic pulse signals and receives reflected ultrasonic signals to monitor the internal space state of the collection box 3; when the belt is torn and the material falls into the collection box 3, the medium environment and reflection characteristics of ultrasonic propagation will change; the ultrasonic sensor detects abnormal changes in the reflected wave, such as changes in parameters such as reflection time, intensity, and frequency, and converts these abnormal signals into electrical signals and transmits them to the controller 1; the controller 1 analyzes and processes the received signal and determines that the change in the ultrasonic signal is caused by the material falling due to the torn belt.

[0036] Subsequently, the controller 1 quickly controls the conveyor belt drive assembly to shut down according to the set program, thereby effectively protecting the conveyor belt, reducing losses caused by belt tearing, and maintaining stable operation of the production system.

[0037] Embodiment 3: This embodiment is basically the same as the previous embodiment, except that the sensor component 301 is installed at the bottom surface of the collection box 3, and the sensor component 301 adopts a pressure sensor.

[0038] From the above, it can be seen that in the initial state, the pressure sensor installed at the bottom of the collection box 3 is not under great pressure, is in a balanced state and outputs a stable electrical signal; when the belt is torn and the material falls from the crack to the bottom of the collection box 3, the gravity of the material acts on the pressure sensor; after the pressure sensor is subjected to pressure, the sensitive elements inside it are deformed or the physical properties are changed, thereby changing the output electrical signal; the changed signal is transmitted to the controller 1, and the controller 1 compares and judges based on the signal change amplitude and the preset pressure threshold.

[0039] If the judgment result shows that the pressure change is caused by material accumulation due to belt tearing, the controller 1 immediately sends a shutdown command to the conveyor belt drive component to prevent the belt tearing from worsening, ensure the continuity and safety of the production process, and reduce equipment maintenance costs and production interruption risks.

[0040] The embodiments of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and deform the above embodiments within the scope of the present invention.

[0041] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more of such features. "Multiple" means two or more, unless otherwise specifically defined.

[0042] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0043] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0044] In the description of this specification, the reference terms "one embodiment", "some embodiments", "examples", "specific examples" or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0045] The drawings of the embodiments disclosed in the present invention only involve structures related to the embodiments disclosed in the present invention. Other structures may refer to conventional designs. In the absence of conflicts, the same embodiment and different embodiments of the present invention may be combined with each other.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. Anti-tear protection device for belt conveyor, characterized by: include: Controller (1); A support frame (2), the support frame (2) being mounted between the upper belt and the lower belt of the conveyor belt, a collection box (3) being mounted on the upper surface of the support frame (2), a sensor assembly (301) being mounted in the collection box (3), the sensor assembly (301) being communicatively connected to the controller (1), and the controller (1) being electrically connected to the conveyor belt drive assembly; The tensioning assembly comprises a plurality of connecting assemblies (4) and a plurality of tensioning wheels (5). The connecting assemblies (4) are fixed to the side walls of the support frame (2), and the tensioning wheels (5) are rotatably mounted on the ends of the connecting assemblies (4).

2. The belt conveyor anti-tear protection device according to claim 1, characterized in that: The connecting assembly (4) comprises a connecting frame (401), an adjusting rod (402) and a fastening knob (403); the connecting frame (401) is fixed to the side wall of the support frame (2); the adjusting rod (402) is rotatably connected to the connecting frame (401); the fastening knob (403) is installed on the adjusting rod (402) and the connecting frame (401); and the tensioning wheel (5) is installed at the end of the adjusting rod (402).

3. The belt conveyor anti-tear protection device according to claim 2, characterized in that: A wire channel (302) is fixedly connected to the outer wall of the collection box (3).

4. The belt conveyor anti-tear protection device according to claim 3, characterized in that: The bottom surface of the collection box (3) is fixedly connected to a limiting plate (6), the upper surface of the support frame (2) is provided with a limiting rail (201), and the limiting plate (6) is slidably matched with the limiting rail (201).

5. The belt conveyor anti-tear protection device according to claim 4, characterized in that: A handle (7) is fixedly connected to the front end surface of the collection box (3).

6. The belt conveyor anti-tear protection device according to claim 1, characterized in that: The sensor component (301) is installed on the inner wall of the collection box (3), and the sensor component (301) adopts an infrared sensor.

7. The belt conveyor anti-tear protection device according to claim 1, characterized in that: The sensor component (301) is installed on the inner wall of the collection box (3), and the sensor component (301) adopts an ultrasonic sensor.

8. The belt conveyor anti-tear protection device according to claim 1, characterized in that: The sensing component (301) is installed on the bottom surface of the collection box (3), and the sensing component (301) adopts a pressure sensor.

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