Material flow deviation rectifying mechanism of belt conveyor

Abstract

The utility model provides a material flow deviation rectifying mechanism of a belt conveyor. The material flow deviation rectifying mechanism comprises a liftable fixing frame, a horizontal telescopic arm, a universal joint, a detachable baffle connector, a material flow baffle and a material flow deviation detecting unit. According to the material flow deviation rectifying mechanism of the belt conveyor, the liftable fixing frame, the horizontal telescopic arm, the universal joint, the detachable baffle connector, the material flow baffle, the material flow deviation detecting unit and other structures are matched with one another, and when the material flow deviation rectifying mechanism is used, the material flow deviation detecting unit can capture the material flow deviation condition in real time; the horizontal displacement, the material blocking depth and the angle adjustment value required by the baffle are accurately calculated through a PID algorithm, and then the liftable fixing frame, the horizontal telescopic arm and the universal joint are controlled to cooperatively act, so that the material flow baffle can accurately guide the offset material flow to the central position of the belt conveyor, the problem of equipment deviation caused by material flow offset is effectively solved, and the service life of the belt conveyor is prolonged. And production accidents such as material scattering and equipment shutdown caused by deviation are avoided.

Description

A belt conveyor material flow correction mechanism Technical Field

[0001] This utility model relates to the field of belt conveyor technology, and in particular to a belt conveyor material flow correction mechanism. Background Technology

[0002] In many industrial sectors such as metallurgy and mining, port transportation, power and coal, building materials and chemicals, belt conveyors are widely used as key equipment for continuous conveying of bulk materials due to their high efficiency, stability and large carrying capacity. However, in the actual operation of belt conveyors, the problem of material flow deviation is common and easily overlooked, becoming an important hidden danger affecting the stable operation of the equipment.

[0003] This problem leads to uneven force on both sides of the belt conveyor, resulting in belt misalignment. Furthermore, due to the large adjustment range, it's difficult to solve this by simply adjusting the position of the idler rollers on the belt. In other words, improper adjustment can easily cause material spillage, leading to production accidents; or the belt may extend beyond the edge of the drive drum, triggering the misalignment sensor and causing the belt conveyor to stop. Conversely, if the belt misalignment is prevented by adjusting the position of the idler rollers to prevent material flow deviation, the idler rollers on one side may experience excessive stress over a long period, causing premature damage and increasing equipment maintenance costs.

[0004] Therefore, it is necessary to provide a belt conveyor material flow correction mechanism to solve the above-mentioned technical problems. Summary of the Invention

[0005] This utility model provides a material flow correction mechanism for belt conveyors, which solves the problem of material flow deviation during belt conveyor operation, which can easily lead to equipment deviation, material spillage, machine shutdown, or damage to idlers.

[0006] To solve the above-mentioned technical problems, this utility model provides a material flow correction mechanism for a belt conveyor, comprising:

[0007] The device includes a liftable fixed frame, a horizontal telescopic arm, a universal joint, a detachable baffle joint, a material flow baffle, and a material flow offset detection unit. The horizontal telescopic arm is located on the side of the liftable fixed frame. The universal joint is fixedly installed on the moving end of the horizontal telescopic arm. The detachable baffle joint is located on the side of the universal joint. The material flow baffle is located on one side of the detachable baffle joint. The material flow offset detection unit is located on the side of the material flow baffle.

[0008] Preferably, the bottom of the liftable fixing frame is provided with multiple bolt fasteners.

[0009] Preferably, the detachable baffle connector includes a plug-in frame, a plug-in block, a mounting frame, a limiting plate, a limiting rod, a spring, and a limiting groove. The plug-in block is disposed on the inner side of the plug-in frame, the limiting grooves are respectively opened at the top and bottom of the plug-in block, the mounting frame is respectively fixedly installed at the top and bottom of the plug-in frame, the limiting plate is disposed on the inner side of the mounting frame, the limiting rod is fixedly installed inside the limiting plate, and the spring is sleeved on the outer side of the limiting rod.

[0010] Preferably, one end of the limiting rod is inserted into the inner side of the limiting groove to limit the plug block to the inner side of the plug frame.

[0011] Preferably, the spring is disposed on one side of the limiting plate and is used to push the limiting plate toward one side of the insertion frame.

[0012] Preferably, one end of the plug-in block is fixedly installed with the material flow baffle, and one end of the plug-in frame is fixedly installed with the universal joint.

[0013] Preferably, the detachable baffle joint further includes a pull ring, which is fixedly installed at the other end of the limiting rod.

[0014] Compared with related technologies, the material flow correction mechanism for a belt conveyor provided by this utility model has the following beneficial effects:

[0015] This utility model provides a material flow correction mechanism for a belt conveyor. It utilizes a combination of a liftable fixed frame, a horizontal telescopic arm, a universal joint, a detachable baffle joint, a material flow baffle, and a material flow deviation detection unit. During operation, the material flow deviation detection unit captures the material flow deviation in real time and uses a PID algorithm to accurately calculate the required lateral displacement, material blocking depth, and angle adjustment values ​​for the baffle. This, in turn, controls the coordinated action of the liftable fixed frame, the horizontal telescopic arm, and the universal joint, ensuring that the material flow baffle precisely guides the deviated material flow to the center of the belt conveyor. This effectively solves the problem of equipment deviation caused by material flow deviation and prevents production accidents such as material spillage and equipment downtime caused by deviation. Attached Figure Description

[0016] Figure 1 is a schematic diagram of the structure of a first embodiment of a belt conveyor material flow correction mechanism provided by this utility model;

[0017] Figure 2 is a schematic diagram of the material flow correction mechanism of the belt conveyor shown in Figure 1 and the installation structure of the belt conveyor;

[0018] Figure 3 is a top view of the material flow baffle, horizontal telescopic arm and universal joint shown in Figure 1.

[0019] Figure 4 is a control principle diagram of the PID algorithm in the material flow bias detection unit provided by this utility model.

[0020] Figure 5 is a schematic diagram of the principle of the method for calculating the inclination angle of the inclined side of the material flow baffle provided by this utility model;

[0021] Figure 6 is a schematic diagram of the structure of a first embodiment of a belt conveyor material flow correction mechanism provided by this utility model.

[0022] The following are the labels in the diagram: 1. Bolt fastener, 2. Liftable fixed frame, 3. Horizontal telescopic arm, 4. Universal joint, 5. Detachable baffle joint, 6. Material flow baffle, 7. Material flow offset detection unit, 51. Plug-in frame, 52. Plug-in block, 53. Mounting frame, 54. Limit plate, 55. Limit rod, 56. Spring, 57. Pull ring, 58. Limit groove. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0024] First Embodiment

[0025] Please refer to Figures 1, 2, 3, 4, and 5. Figure 1 is a structural schematic diagram of the first embodiment of the material flow correction mechanism for a belt conveyor provided by this utility model; Figure 2 is a schematic diagram of the installation structure of the material flow correction mechanism for the belt conveyor shown in Figure 1 and the belt conveyor; Figure 3 is a top view schematic diagram of the material flow baffle, horizontal telescopic arm, and universal joint shown in Figure 1; Figure 4 is a control principle diagram of the PID algorithm principle in the material flow offset detection unit provided by this utility model; and Figure 5 is a principle diagram of the method for calculating the inclination angle of the inclined side of the material flow baffle provided by this utility model. A material flow correction mechanism for a belt conveyor includes: a liftable fixed frame 2, a horizontal telescopic arm 3, a universal joint 4, a detachable baffle joint 5, a material flow baffle 6, and a material flow deviation detection unit 7. The horizontal telescopic arm 3 is disposed on the side of the liftable fixed frame 2, the universal joint 4 is fixedly installed on the moving end of the horizontal telescopic arm 3, the detachable baffle joint 5 is disposed on the side of the universal joint 4, the material flow baffle 6 is disposed on one side of the detachable baffle joint 5, and the material flow deviation detection unit 7 is disposed on the side of the material flow baffle 6.

[0026] The bottom of the liftable fixing frame 2 is provided with multiple bolt fasteners 1.

[0027] The outer shell of the lifting and fixing frame 2 is made of square steel. The bottom is fixed to the frame component of the belt conveyor 9 by bolt fasteners 1. The installation position of the material flow correction mechanism can be determined by selectively opening holes in the frame component according to the installation requirements. At the same time, a gear and rack slider mechanism is set inside the square steel frame of the lifting and fixing frame 2. The upper end of the rack is connected to the horizontal telescopic arm 3 by welding. The gear mechanism is connected to its drive motor. The motor drives the gear to rotate, and the gear connects the rack to slide up and down, thereby driving the horizontal telescopic arm 3 at the top to move up and down, so as to adjust the material flow baffle 6 and control the material blocking depth H shown in Figure 4.

[0028] The horizontal telescopic arm 3 is an electro-hydraulic push rod structure, containing two hydraulic rods. When pushed to its maximum extension, it can cover one side of the belt conveyor surface. When retracted to its minimum compression, it just covers the other side of the belt conveyor surface, thus satisfying the function of the material flow baffle 6 in correcting the biased material flow on both sides of the belt conveyor. As shown in Figure 1, the material flow is biased to the right. One side of the horizontal telescopic arm 3 is connected to the gear and rack slider mechanism of the liftable fixed frame 2, which can realize the need for vertical adjustment as required. The other end is equipped with a universal joint 4. The universal joint 4 adopts a ball cage type universal joint structure, which can drive the material flow baffle 6 to rotate arbitrarily within a 30° angle range in the vertical direction. After rotating to the target position, the material flow baffle 6 can be fixed in the target position by adding torque.

[0029] The detachable baffle joint 5 is connected to the universal joint 4 by welding. The lower end of the detachable baffle joint 5 is provided with an internal thread interface, which can be connected to the upper bolt of the material flow baffle 5 by thread connection. This meets the need for replacement of the material flow baffle after long-term use due to wear of the material flow of the belt conveyor. At the same time, the live interface connection method also makes it convenient to select material flow baffles 6 of different materials and forms for belt conveyor material flow with different raw material characteristics.

[0030] The material flow baffle 6 is generally a right-angled trapezoid. This utility model provides a calculation method to obtain the preferred inclination angle of the material flow baffle. The specific calculation method is as follows:

[0031] sinα=sinθ·cosβ. Through reasonable fitting calculation, we obtained the calculation method of the material flow baffle inclination angle θ: θ=arcsin(sinα / cosβ)+2° (the natural angle of repose of the material is represented by the letter α, the belt conveyor inclination angle is represented by the letter β, and the material flow baffle inclination angle is represented by the letter θ).

[0032] When operating normally, its arrangement is as shown in Figure 3. It is arranged diagonally along the forward direction of the belt conveyor, with the shorter right-angled side arranged at the center of the belt conveyor and the longer right-angled side arranged at the edge of the belt conveyor. The overall tilt angle depends on factors such as the operating speed of the belt conveyor and the specific characteristics of the material flow of the belt conveyor, and can be determined through installation experiments.

[0033] The material flow offset detection unit 7 consists of a vision camera unit, an information processing unit, and a PID unit. Its installation position is shown in Figure 2, installed 0.5m in front of the material flow correction mechanism. The vision camera unit captures the degree of material flow offset in real time. The information processing unit, based on the control principle diagram of the PID algorithm in the material flow offset detection unit shown in Figure 4, compares the difference between the offset material flow cross-section and the central material flow cross-section. Through integral calculation, based on the calculation condition that the areas of the projection area X and the projection area Y are equal, it calculates the most reasonable lateral displacement of the baffle and the material blocking depth. Then, the PID unit transmits the relevant instructions to the three control units: the liftable fixed frame 2, the horizontal telescopic arm 3, and the universal joint 4. The three control units independently control the horizontal, vertical, and angular degrees of freedom of the material flow baffle 6 to obtain the optimal material blocking position and accurately adjust the offset material flow to the center position.

[0034] The working principle of the belt conveyor material flow correction mechanism provided by this utility model is as follows:

[0035] During the operation of the belt conveyor, the visual camera unit of the material flow offset detection unit 7 captures the material flow in real time, identifies the offset of the material flow, and transmits the image information to the information processing unit. The information processing unit analyzes the image, compares the difference between the offset material flow cross-section and the central material flow cross-section, and calculates the required baffle lateral displacement, baffle depth, and angle adjustment value based on the condition that the areas of the projection area X and the projection area Y are equal, combined with the PID algorithm. These instructions are then sent to the control units of the liftable fixed frame 2, the horizontal telescopic arm 3, and the universal joint 4, respectively.

[0036] After receiving the command, the drive motor of the lifting and fixing frame 2 drives the gear to rotate, and the gear drives the rack to move up and down, thereby adjusting the height of the horizontal telescopic arm 3 and changing the material blocking depth of the material flow baffle 6; the hydraulic system of the horizontal telescopic arm 3 extends and retracts according to the command, driving the material flow baffle 6 to move in the horizontal direction to reach a suitable lateral position; the universal joint 4 rotates within a 30° angle range in the vertical direction according to the angle adjustment command, adjusting the material flow baffle 6 to the calculated optimal angle, and fixing it by adding torque;

[0037] When the material flow comes into contact with the material flow baffle 6, the material flow baffle 6 adopts a right-angled trapezoidal design and has a reasonable inclination angle, which can effectively guide the biased material flow to the center position of the belt conveyor, thereby realizing the material flow correction.

[0038] Compared with related technologies, the material flow correction mechanism for a belt conveyor provided by this utility model has the following beneficial effects:

[0039] The lifting fixed frame 2, horizontal telescopic arm 3, universal joint 4, detachable baffle joint 5, material flow baffle 6, and material flow offset detection unit 7 work together to capture the material flow offset in real time. The material flow offset detection unit 7 uses a PID algorithm to accurately calculate the required lateral displacement, material blocking depth, and angle adjustment value of the baffle. This allows the lifting fixed frame 2, horizontal telescopic arm 3, and universal joint 4 to work together, ensuring that the material flow baffle 6 accurately guides the offset material flow to the center position of the belt conveyor. This effectively solves the problem of equipment deviation caused by material flow offset and avoids production accidents such as material spillage and equipment downtime caused by deviation.

[0040] Second Embodiment

[0041] Referring to Figure 6, based on the first embodiment of this application which provides a belt conveyor material flow correction mechanism, the second embodiment of this application proposes another belt conveyor material flow correction mechanism. The second embodiment is merely a preferred embodiment of the first embodiment, and its implementation will not affect the separate implementation of the first embodiment.

[0042] Specifically, the difference in the material flow correction mechanism for a belt conveyor provided in the second embodiment of this application is that the detachable baffle joint 5 of the material flow correction mechanism for a belt conveyor includes a plug-in frame 51, a plug-in block 52, a mounting frame 53, a limiting plate 54, a limiting rod 55, a spring 56, and a limiting groove 58. The plug-in block 52 is disposed on the inner side of the plug-in frame 51, and the limiting groove 58 is respectively opened at the top and bottom of the plug-in block 52. The mounting frame 53 is respectively fixedly installed at the top and bottom of the plug-in frame 51. The limiting plate 54 is disposed on the inner side of the mounting frame 53. The limiting rod 55 is fixedly installed inside the limiting plate 54, and the spring 56 is sleeved on the outer side of the limiting rod 55.

[0043] One end of the limiting rod 55 is inserted into the inner side of the limiting groove 58 to limit the plug block 52 to the inner side of the plug frame 51.

[0044] The spring 56 is disposed on one side of the limiting plate 54 and is used to push the limiting plate 54 toward one side of the insertion frame 51.

[0045] One end of the plug-in block 52 is fixedly installed with the material flow baffle 6, and one end of the plug-in frame 51 is fixedly installed with the universal joint 4.

[0046] The detachable baffle joint 5 also includes a pull ring 57, which is fixedly installed at the other end of the limiting rod 55.

[0047] The elastic force of the spring 56 ensures that the limiting rod 55 is always stably inserted into the limiting groove 58, thus guaranteeing the connection stability of the material flow baffle 6 during operation and preventing the material flow baffle 6 from loosening or falling off due to vibration or other factors.

[0048] The working principle of the belt conveyor material flow correction mechanism provided by this utility model is as follows:

[0049] When installing the material flow baffle 6, insert the plug block 52, which is fixedly connected to the material flow baffle 6, into the inner side of the plug frame 51. During the insertion process, the top and bottom of the plug block 52 will press the end of the limiting rod 55, causing the limiting rod 55 to drive the limiting plate 54 to move into the mounting frame 53. The spring 56 is compressed. When the plug block 52 is fully inserted, the limiting rod 55 is aligned with the limiting groove 58. At this time, the spring 56 returns to its original state, pushing the limiting plate 54 to move to one side of the plug frame 51. The limiting rod 55 is then inserted into the limiting groove 58, fixing the plug block 52 in the plug frame 51, thus completing the installation of the material flow baffle 6.

[0050] When it is necessary to disassemble the material flow baffle 6, pull the pull ring 57 to move the limit rod 55 and the limit plate 54 away from the plug frame 51. The spring 56 is compressed and the limit rod 55 is pulled out from the limit groove 58. At this time, the plug block 52 can be taken out from the plug frame 51 to realize the disassembly of the material flow baffle 6.

[0051] Compared with related technologies, the material flow correction mechanism for a belt conveyor provided by this utility model has the following beneficial effects:

[0052] The material flow baffle 6 is quickly installed and disassembled through the interlocking structure of the plug-in frame 51, plug-in block 52, mounting frame 53, limiting plate 54, limiting rod 55, spring 56, and limiting groove 58. This structural design makes the operation more convenient and efficient when the material flow baffle 6 is worn by materials due to long-term use, or when it needs to be replaced with a material or form of material flow baffle 6 according to different material characteristics. No complicated tools are needed; disassembly can be completed simply by pulling the pull ring 57. Installation is also simple, requiring only insertion to fix it. This greatly shortens the time for replacing and maintaining the material flow baffle 6, reduces equipment maintenance costs and downtime, and improves the overall operating efficiency of the belt conveyor.

[0053] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A material flow correction mechanism for a belt conveyor, characterized in that, include: The device includes a liftable fixed frame, a horizontal telescopic arm, a universal joint, a detachable baffle joint, a material flow baffle, and a material flow offset detection unit. The horizontal telescopic arm is located on the side of the liftable fixed frame. The universal joint is fixedly installed on the moving end of the horizontal telescopic arm. The detachable baffle joint is located on the side of the universal joint. The material flow baffle is located on one side of the detachable baffle joint. The material flow offset detection unit is located on the side of the material flow baffle.

2. The belt conveyor material flow correction mechanism according to claim 1, characterized in that, The bottom of the liftable fixing frame is equipped with multiple bolt fasteners.

3. The belt conveyor material flow correction mechanism according to claim 1, characterized in that, The detachable baffle connector includes a plug-in frame, a plug-in block, a mounting frame, a limiting plate, a limiting rod, a spring, and a limiting groove. The plug-in block is disposed on the inner side of the plug-in frame, and the limiting grooves are respectively opened at the top and bottom of the plug-in block. The mounting frame is respectively fixedly installed at the top and bottom of the plug-in frame. The limiting plate is disposed on the inner side of the mounting frame, the limiting rod is fixedly installed inside the limiting plate, and the spring is sleeved on the outer side of the limiting rod.

4. The belt conveyor material flow correction mechanism according to claim 3, characterized in that, One end of the limiting rod is inserted into the inner side of the limiting groove to limit the plug block to the inner side of the plug frame.

5. A belt conveyor material flow correction mechanism according to claim 4, characterized in that, The spring is located on one side of the limiting plate and is used to push the limiting plate toward one side of the insertion frame.

6. A belt conveyor material flow correction mechanism according to claim 5, characterized in that, One end of the plug-in block is fixedly installed with the material flow baffle, and one end of the plug-in frame is fixedly installed with the universal joint.

7. A belt conveyor material flow correction mechanism according to claim 3, characterized in that, The detachable baffle joint also includes a pull ring, which is fixedly installed at the other end of the limiting rod.

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