Detection device for preventing boiler conveying belt from deflecting

Abstract

The utility model relates to the technical field of boiler detection, and discloses a detection device for preventing a boiler conveying belt from deflecting, which comprises a conveying frame, a conveying belt is arranged in the conveying frame, a deflection detection component is arranged on the conveying frame, and a sealing baffle is arranged at the joint of the deflection detection component and the conveying frame. A displacement transmission assembly is arranged on the sealing baffle and connected with the conveying belt. The deviation detection assembly is arranged, whether the conveying belt deviates or not can be sensed, an alarm is given in time, and in order to prevent coal cinder and pulverized coal from entering the deviation detection assembly to interfere with normal work of the deviation detection assembly, the sealing baffle is arranged at the joint of the deviation detection assembly and the conveying frame, and the displacement transmission assembly is arranged on the sealing baffle. When the conveying belt runs, the deviation movement amount of the conveying belt can be transmitted to the deviation detection assembly through the displacement transmission assembly, and it is ensured that the deviation condition of the conveying belt can be sensed timely and accurately.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler detection, and specifically relates to a detection device for preventing the deviation of a boiler conveyor belt. Background Technique

[0002] In a boiler system, a boiler conveyor belt is required to transport coal from the coal storage area to the boiler combustion chamber. Due to the long-term operation of the conveyor belt, the wear condition is very serious, and the belt deviation often occurs. If it cannot be detected in time, a large amount of coal cinder and pulverized coal will be piled up, and at the same time, equipment such as the driving motor will be damaged.

[0003] To prevent this situation from occurring, existing equipment usually installs sensors on the conveying equipment to sense whether the conveyor belt is skewed and give an alarm in time.

[0004] However, when transporting coal cinder and pulverized coal, the phenomenon that the coal cinder and pulverized coal affect the detection function of the sensor will occur, resulting in the inability to detect the deviation of the conveyor belt in time. To solve the above problems, we propose a detection device for preventing the deviation of a boiler conveyor belt. Content of the Utility Model

[0005] The purpose of the utility model is to provide a detection device for preventing the deviation of a boiler conveyor belt to solve the problem that the coal cinder and pulverized coal affect the detection function of the sensor, resulting in the inability to detect the deviation of the conveyor belt in time.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A detection device for preventing the deviation of a boiler conveyor belt, including a transmission frame, a conveyor belt is rotatably arranged inside the transmission frame, deviation detection components are arranged on both side walls of the transmission frame at both ends of the transmission frame respectively, wherein the deviation detection components are communicated with the inside of the transmission frame, a baffle for preventing coal cinder from entering the deviation detection components is arranged at the connection between the deviation detection components and the transmission frame, a displacement transmission component for transmitting the deviation distance of the conveyor belt is arranged through the baffle, and the displacement transmission component is connected with the conveyor belt.

[0007] According to the above technical solution, a sliding abutting component connected with the conveyor belt is further arranged at one end of the displacement transmission component, the edge of the conveyor belt extends into the sliding abutting component, and a limiting member for limiting the conveyor belt is arranged at the entrance of the sliding abutting component.

[0008] According to the above technical solution, the sliding abutting component includes a concave frame connected with the displacement transmission component, a abutting roller is rotatably arranged between the inner walls of the concave frame, and the edge of the conveyor belt abuts against the abutting roller.

[0009] According to the above technical solution, the limiting member includes mounting brackets symmetrically arranged at the entrance of the sliding contact assembly. Slide bars penetrate and slide through the opposite side walls of the two mounting brackets. A first elastic member connected to the slide bars is provided inside the mounting brackets. One end of the slide bar away from the mounting bracket is rotatably connected to a pressing roller, and the pressing roller is in rolling connection with the conveyor belt.

[0010] According to the above technical solution, the deviation detection assembly includes a mounting housing fixedly connected to the outer wall of the transmission frame. An infrared sensor for detecting the deviation of the conveyor belt from its original trajectory is fixedly connected to the inner wall of the mounting housing. The infrared sensors are oppositely arranged on the inner wall of the mounting housing. A baffle plate connected to the displacement transmission assembly is provided inside the mounting housing. A sliding guide groove located between the infrared sensors is provided on the inner wall of the mounting housing, and the baffle plate is slidably connected to the inner wall of the sliding guide groove.

[0011] According to the above technical solution, the infrared sensor includes a warning infrared sensor and an extreme infrared sensor arranged side by side, and the warning infrared sensor and the extreme infrared sensor are symmetrically arranged on the inner wall of the mounting housing.

[0012] According to the above technical solution, a cleaning port opposite to the infrared sensor is provided at the top of the mounting housing, and a sliding cover for blocking the cleaning port is slidably arranged inside the mounting housing.

[0013] According to the above technical solution, the displacement transmission assembly includes a linear bearing penetrating and fixedly connected to the side wall of the baffle plate. A smooth shaft slides inside the linear bearing. One end of the smooth shaft is connected to the moving part inside the deviation detection assembly, and a second elastic member is provided on the smooth shaft.

[0014] Compared with the prior art, the beneficial effects of the present utility model are:

[0015] By providing a deviation detection assembly, the present utility model can sense whether the conveyor belt is skewed and give an alarm in time. In order to prevent coal slag and pulverized coal from entering the deviation detection assembly and interfering with its normal operation, a baffle plate is provided at the connection between the deviation detection assembly and the transmission frame, and a displacement transmission assembly is provided on the baffle plate. When the conveyor belt is running and there is a skewed movement amount, it can be transmitted to the deviation detection assembly through the displacement transmission assembly, ensuring that the skewed situation of the conveyor belt can be sensed timely and accurately, preventing the situation that when the conveyor belt runs off track, it cannot be discovered in time, resulting in a large amount of coal slag and pulverized coal being piled up and damage to equipment such as drive motors.

[0016] By providing a sliding contact assembly and a limiting member, the present utility model effectively ensures the stable connection with the conveyor belt and the limitation of the edge of the conveyor belt, reducing the influence caused by the slack and deformation of the conveyor belt. Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the boiler conveyor belt and the deviation detection component of the present utility model;

[0018] Figure 2 It is a partial cross-sectional view of the present utility model;

[0019] Figure 3 It is the present utility model Figure 2 The enlarged schematic view of part A in;

[0020] Figure 4 It is a cross-sectional view of the deviation detection component of the present utility model;

[0021] In the figure:

[0022] 1. Transmission frame; 2. Conveyor belt; 3. Deviation detection component; 31. Installation housing; 32. Baffle; 33. Sliding guide groove; 34. Cleaning port; 35. Slide cover; 4. Sealing baffle; 51. Linear bearing; 52. Optical axis; 53. Second elastic member; 6. Sliding contact component; 61. Concave frame; 62. Contact roller; 7. Limiting member; 71. Installation frame; 72. Slide bar; 73. First elastic member; 74. Pressing roller; 8. Infrared sensor; 81. Warning infrared sensor; 82. Limit infrared sensor. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4 , the present utility model provides a technical solution for a detection device for preventing the deviation of a boiler conveyor belt: including a transmission frame 1, inside which there is a continuously rotating conveyor belt 2 for carrying and conveying coal materials. Deviation detection components 3 are provided on both side walls of the transmission frame 1 and are respectively located at both ends of the transmission frame 1. Among them, the deviation detection component 3 is connected to the inside of the transmission frame 1. By setting the deviation detection component 3, it can sense whether the conveyor belt 2 is deviated and give an alarm in time to prevent the situation that when the conveyor belt 2 runs off track, it cannot be discovered in time, resulting in the accumulation of a large amount of coal slag and pulverized coal, and damage to equipment such as drive motors.

[0025] To prevent cinder and pulverized coal from entering the inside of the deviation detection component 3 and interfering with its normal operation, a sealing baffle 4 is provided at the connection between the deviation detection component 3 and the transmission frame 1. A displacement transmission component 5 is provided through the sealing baffle 4, and the displacement transmission component 5 is connected to the conveyor belt 2. When the conveyor belt 2 is running and there is a deflection displacement of the conveyor belt 2, it can be transmitted to the deviation detection component 3 through the displacement transmission component 5 to ensure that the deflection of the conveyor belt 2 can be sensed in a timely and accurate manner.

[0026] Specifically, a sliding abutting component 6 connected to the conveyor belt 2 is further provided at one end of the displacement transmission component 5. The edge of the conveyor belt 2 can smoothly extend into the inside of the sliding abutting component 6, and a limiting member 7 for limiting the conveyor belt 2 is specifically provided at the entrance of the sliding abutting component 6. The limiting member 7 can effectively limit the edge of the conveyor belt 2 from continuously extending into the entrance of the sliding abutting component 6, preventing the edge of the conveyor belt 2 from still extending into the entrance of the sliding abutting component 6 after the conveyor belt 2 is slack and deformed after long-term use, and when the conveyor belt 2 is deflected, the edge of the conveyor belt 2 can still act effectively on the sliding abutting component 6 and the displacement transmission component 5.

[0027] Specifically, the sliding abutting component 6 includes a concave frame 61 connected to the displacement transmission component 5. Between the inner walls of the concave frame 61, a abutting roller 62 is rotatably provided. The edge of the conveyor belt 2 abuts against the abutting roller 62, while preventing a large frictional force from being generated on the edge of the conveyor belt 2, resulting in excessive wear of the edge of the conveyor belt 2. When the conveyor belt 2 is deflected, the edge of the conveyor belt 2 will generate a driving force on the abutting roller 62, thereby driving the displacement transmission component 5 to generate a corresponding displacement change, providing an accurate signal for subsequent detection and adjustment.

[0028] Specifically, the limiting member 7 includes mounting frames 71 symmetrically arranged at the entrance of the sliding abutting component 6. A sliding rod 72 is provided through and slidably in the opposite side walls of the two mounting frames 71. A first elastic member 73 connected to the sliding rod 72 is provided in the mounting frame 71. The first elastic member 73 is a compression spring, and the first elastic member 73 can continuously provide a thrust force to the sliding rod 72. The end of the sliding rod 72 away from the mounting frame 71 is rotatably connected to a pressing roller 74, and the pressing roller 74 is in rolling connection with the conveyor belt 2. The thrust force provided by the first elastic member 73 can drive the two pressing rollers 74 to approach each other through the sliding rod 72 and clamp and limit the conveyor belt 2 to prevent the edge of the conveyor belt 2 from slipping out of the entrance of the sliding abutting component 6.

[0029] Specifically, the deviation detection component 3 includes a mounting housing 31 fixedly connected to the outer wall of the transmission frame 1. On the inner wall of the mounting housing 31, an infrared sensor 8 for detecting whether the conveyor belt 2 deviates from the original trajectory is fixedly connected. The infrared sensors 8 are oppositely arranged on the inner wall of the mounting housing 31. A baffle plate 32 connected to the displacement transmission component 5 is provided in the mounting housing 31. A sliding guide groove 33 is provided on the inner wall of the mounting housing 31 between the infrared sensors 8. The baffle plate 32 is slidably connected to the inner wall of the sliding guide groove 33. When the conveyor belt 2 is deflected and drives the displacement transmission component 5 to move, the baffle plate 32 will smoothly slide in the sliding guide groove 33 accordingly, thereby blocking the light emitted by the infrared sensor 8, and then realizing the accurate detection of the deflection of the conveyor belt 2.

[0030] Specifically, the infrared sensor 8 includes a warning infrared sensor 81 and a limit infrared sensor 82 arranged side by side. The warning infrared sensor 81 and the limit infrared sensor 82 are both symmetrically arranged on the inner wall of the mounting housing 31. When the baffle plate 32 blocks the warning infrared sensor 81, the system will send a warning signal to prompt the staff that there may be a deflection of the conveyor belt 2, so as to make preparations for adjustment in advance. When the baffle plate 32 further blocks the limit infrared sensor 82, it indicates that the deflection of the conveyor belt 2 has reached the limit. At this time, emergency measures such as immediate shutdown need to be taken for precise adjustment to avoid more serious consequences.

[0031] In addition, in order to ensure that the infrared sensor 8 always maintains high-precision detection performance, a cleaning port 34 opposite to the infrared sensor 8 is specially provided at the top of the mounting housing 31. A sliding cover 35 for blocking the cleaning port 34 is slidably arranged in the mounting housing 31. When it is necessary to clean and maintain the infrared sensor 8, just open the sliding cover 35, and effective cleaning operations can be carried out through the cleaning port 34.

[0032] Specifically, the displacement transmission component 5 includes a linear bearing 51 penetrating and fixedly connected to the side wall of the sealing baffle 4. A smooth shaft 52 is slidably arranged in the linear bearing 51. One end of the smooth shaft 52 is tightly connected to a moving part (such as the baffle plate 32) in the deviation detection component 3. A second elastic member 53 is arranged on the smooth shaft 52. The second elastic member 53 can be a compression spring. The compression spring can be sleeved on the outer wall of the smooth shaft 52. The second elastic member 53 can respectively provide a force for the smooth shaft 52 to move towards the outer wall of the deviation detection component 3. This design can ensure the smoothness and accuracy of displacement transmission. The second elastic member 53 can provide a certain restoring force to ensure that after the conveyor belt 2 returns to the normal position, the displacement transmission component 5 can quickly reset and prepare for the next detection work.

[0033] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0034] In addition, the terms "first", "second", "third", "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", "fourth" may explicitly or implicitly include at least one of such features.

[0035] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "set", "connected", "fixed", "swivelly connected", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0036] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A detection device for preventing the deviation of a boiler conveyor belt, comprising a conveyor frame (1), wherein a conveyor belt (2) is rotatably arranged inside the conveyor frame (1), and is characterized in that: Both side walls of the transmission frame (1) are provided with deviation detection components (3) located at both ends of the transmission frame (1) respectively. Among them, the deviation detection components (3) are internally connected and communicated with the transmission frame (1). A sealing baffle (4) for preventing cinder from entering the deviation detection components (3) is arranged at the connection between the deviation detection components (3) and the transmission frame (1). A displacement transmission component for transmitting the skew distance of the conveyor belt (2) is penetrated through the sealing baffle (4), and the displacement transmission component is connected with the conveyor belt (2).

2. The detection device for preventing the deviation of the boiler conveyor belt according to claim 1, wherein: One end of the displacement transmission component is further provided with a sliding abutting component (6) connected with the conveyor belt (2). The edge of the conveyor belt (2) extends into the sliding abutting component (6), and a limiting member (7) for limiting the conveyor belt (2) is arranged at the entrance of the sliding abutting component (6).

3. The detection device for preventing the deviation of the boiler conveyor belt according to claim 2, wherein: The sliding abutting component (6) includes a concave frame (61) connected with the displacement transmission component. A abutting roller (62) is rotatably arranged between the inner walls of the concave frame (61), and the edge of the conveyor belt (2) abuts against the abutting roller (62).

4. A detection device for preventing the deviation of a boiler conveyor belt according to claim 2, characterized in that: The limiting member (7) includes mounting frames (71) symmetrically arranged at the entrance of the sliding abutting component (6). A sliding rod (72) is penetrated and slidably arranged on the opposite side walls of the two mounting frames (71). A first elastic member (73) connected with the sliding rod (72) is arranged in the mounting frame (71). One end of the sliding rod (72) far away from the mounting frame (71) is rotatably connected with a pressing roller (74), and the pressing roller (74) is in rolling connection with the conveyor belt (2).

5. The detection device for preventing the deviation of a boiler conveyor belt according to claim 1, characterized in that: The deviation detection component (3) includes a mounting shell (31) fixedly connected to the outer wall of the transmission frame (1). An infrared sensor (8) for detecting that the conveyor belt (2) deviates from the original track is fixedly connected to the inner wall of the mounting shell (31). Among them, the infrared sensors (8) are oppositely arranged on the inner wall of the mounting shell (31). A shielding baffle (32) connected with the displacement transmission component is arranged in the mounting shell (31). A sliding guide groove (33) located between the infrared sensors (8) is arranged on the inner wall of the mounting shell (31), and the shielding baffle (32) is slidably connected with the inner wall of the sliding guide groove (33).

6. The detection device for preventing the skew of a boiler conveyor belt according to claim 5, wherein: The infrared sensor (8) includes a warning infrared sensor (81) and an extreme infrared sensor (82) arranged side by side. The warning infrared sensor (81) and the extreme infrared sensor (82) are evenly and symmetrically arranged on the inner wall of the mounting shell (31).

7. The detection device for preventing the deviation of a boiler conveyor belt according to claim 5, characterized in that: A cleaning port (34) opposite to the infrared sensor (8) is arranged at the top of the mounting shell (31), and a sliding cover (35) for shielding the cleaning port (34) is slidably arranged in the mounting shell (31).

8. The detection device for preventing the deviation of the boiler conveyor belt according to claim 1, characterized in that: The displacement transmission component includes a linear bearing (51) penetrated and fixedly connected to the side wall of the sealing baffle (4). A smooth shaft (52) is slidably arranged in the linear bearing (51). One end of the smooth shaft (52) is connected with a moving part in the deviation detection component (3), and a second elastic member (53) is arranged on the smooth shaft (52).

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