Automatic cleaning device for dropped coal of belt conveyor
By installing an automatic cleaning device on the belt conveyor, the automatic cleaning of coal is achieved by using proximity switches and flush components, the belt wear and safety risks caused by falling coal is solved, and the production efficiency and the continuity of equipment operation are improved.
Patent Information
- Application Number
- CN202421143819.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the operation of the belt conveyor, the dropped coal accumulates between the lower belt and the roller, causing the belt to wear, fall off and deviate. There is a safety risk for manual cleaning, and stopping the equipment will lead to shutdown and production, affecting the production progress.
Design an automatic cleaning device including a frame, coal connection tank, flush assembly and proximity switch. The proximity switch control solenoid valve to open the water flow in the flush pipe through the universal fan nozzle to flush the coal in the coal connection tank, so that it can be made Enter the discharge port and enter the sewage collection pool through the pipeline to achieve automatic cleaning.
Automatic cleaning of coal is realized, which reduces the safety risks of manual cleaning, and does not need to stop the equipment, improves production efficiency, and avoids belt damage and production interruptions.
Smart Images
Figure CN222311820U_ABST
Abstract
Description
Technical field:
[0001] The utility model relates to the technical field of fallen coal cleaning, in particular to an automatic falling coal cleaning device for a belt conveyor. Background technology:
[0002] When the belt conveyor is conveying coal, due to the vibration of the belt transmission, some coal particles will roll down from the upper belt, fall on the upper surface of the lower belt, and be transported along the upper surface of the lower belt to the vicinity of the tail of the belt conveyor. During the operation of the belt conveyor, the fallen coal will continue to roll and accumulate between the lower belt and the roller. In order to avoid the continuous rolling and wear of the belt by the fallen coal, and the belt falling off, deviation, tearing and other problems, the company arranges operators to clean up the fallen coal regularly; however, if the fallen coal is cleaned manually during the operation of the equipment, the safety risk is relatively high; if the equipment is stopped, it will cause the company to stop work and production, delaying the progress of the project. Utility model content:
[0003] The utility model aims to provide an automatic cleaning device for dropped coal on a belt conveyor.
[0004] The purpose of the utility model is implemented by the following technical solutions: an automatic cleaning device for dropped coal on a belt conveyor, comprising a frame, a coal receiving trough, a flushing assembly and a proximity switch; the frame is installed between the upper and lower belts at the tail of the belt conveyor, the inclined coal receiving trough is connected to the plate surface of the storage plate of the frame through a spring, and a discharge port is opened on the side wall at the lowest end of the coal receiving trough; the flushing assembly is installed at the highest point of the bottom surface in the coal receiving trough, the flushing assembly comprises a flushing pipe and a universal fan-shaped nozzle, the outlet end of the flushing pipe passes through the side wall of the coal receiving trough and is connected to the universal fan-shaped nozzle, the universal fan-shaped nozzle is arranged toward the discharge port of the coal receiving trough, and a solenoid valve is arranged on the flushing pipe; the proximity switch is arranged on the storage plate of the frame below the coal receiving trough, the proximity switch is electrically connected to the input end of the controller, and the output end of the controller is electrically connected to the solenoid valve.
[0005] Preferably, the frame includes a support plate and a storage plate, and the support plates are vertically fixed on both sides of the belt conveyor along the belt conveying direction, and the top ends of the two support plates are fixedly connected to the horizontally arranged storage plates, and the storage plates are placed above the lower belt.
[0006] Preferably, the angle α between the bottom plate of the coal receiving chute and the horizontal plane is 30-45°.
[0007] Preferably, the discharge port of the coal receiving chute is connected to the inlet of the sewage collection tank through a pipeline.
[0008] Advantages of the utility model: the utility model is provided with a frame, a coal receiving trough, a flushing assembly and a proximity switch. The flushing assembly includes a flushing pipe and a universal fan-shaped nozzle. The flushing pipe is provided with a solenoid valve. The coal falling from the lower belt as the passive roller rotates is collected through the coal receiving trough. The solenoid valve is controlled to open by the proximity switch. Water enters the universal fan-shaped nozzle through the flushing pipe to flush the coal in the coal trough, so that the coal enters the sewage collection pool through the pipeline, thereby realizing automatic cleaning of fallen coal, avoiding manual cleaning, reducing safety risks, and no need to stop the machine, thereby improving the production efficiency of the enterprise. Description of the drawings:
[0009] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creativity and labor.
[0010] Figure 1 It is a structural schematic diagram of the utility model.
[0011] Figure 2 yes Figure 1 AA section view.
[0012] Figure 3 yes Figure 1 Top view of the .
[0013] Figure 4 It is a schematic diagram of the control principle of the utility model.
[0014] The components in the accompanying drawings are marked as follows: frame 1, support plate 1.1, storage plate 1.2, coal receiving chute 2, discharge port 2.1, flushing assembly 3, flushing pipe 3.1, universal fan-shaped nozzle 3.2, proximity switch 4, upper belt 5, lower belt 6, spring 7, sewage collection tank 8, solenoid valve 9, controller 10, passive roller 11. Specific implementation method:
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] like Figure 1-Figure 4As shown, an automatic cleaning device for falling coal on a belt conveyor comprises a frame 1, a coal receiving chute 2, a flushing assembly 3 and a proximity switch 4; the frame 1 is installed between an upper belt 5 and a lower belt 6 at the tail of the belt conveyor, and the frame 1 is used to provide an installation position for other equipment. The frame 1 comprises a support plate 1.1 and a storage plate 1.2. The support plates 1.1 are respectively fixed vertically on both sides of the belt conveyor along the belt conveying direction, and the top ends of the two support plates 1.1 are respectively fixedly connected to the horizontally arranged storage plates 1.2, and the storage plates 1.2 are placed above the lower belt 6; an inclined coal receiving chute is connected to the plate surface of the storage plate 1.2 through a spring 7. Trough 2, in this embodiment, four springs 7 are arranged at the bottom of the coal receiving trough 2, the bottom end of each spring 7 is fixedly connected to the storage plate 1.2, and the top end of each spring 7 is fixedly connected to the bottom of the coal receiving trough 2. The coal receiving trough 2 is used to collect the coal falling from the upper surface of the lower belt 6 as the passive roller 11 rotates. The angle α between the bottom plate of the coal receiving trough 2 and the horizontal plane is 30-45°. A discharge port 2.1 is opened on the side wall at the lowest end of the coal receiving trough 2. The discharge port 2.1 of the coal receiving trough 2 is connected to the inlet of the sewage collection tank 8 through a pipeline. The coal receiving trough 2 is inclined to facilitate the coal in the coal receiving trough 2 to enter the sewage collection tank 8 along the bottom plate through the discharge port 2.1;
[0017] A flushing assembly 3 is installed at the highest point of the bottom surface of the coal receiving chute 2. The flushing assembly 3 is used to clean the coal chute 2 to facilitate flushing the fallen coal out of the coal receiving chute 2. The flushing assembly 3 includes a flushing pipe 3.1 and a universal fan-shaped nozzle 3.2. The outlet end of the flushing pipe 3.1 passes through the side wall of the coal receiving chute 2 and is connected to the universal fan-shaped nozzle 3.2. The universal fan-shaped nozzle 3.2 is set toward the discharge port 2.1 of the coal receiving chute 2. The universal fan-shaped nozzle 3.2 can adjust the direction and angle according to the inclination of the bottom plate of the coal receiving chute 2. A solenoid valve 9 is provided on the flushing pipe 3.1; a proximity switch 4 is provided on the storage plate 1.2 of the frame 1 below the coal receiving chute 2. The proximity switch 4 is electrically connected to the input end of the controller 10. The controller The output end of 10 is electrically connected to the electromagnetic valve 9. When the weight of the fallen coal in the coal receiving chute 2 reaches a certain value, the bottom of the coal receiving chute 2 moves down to contact and squeeze the proximity switch 4. The proximity switch 4 transmits a signal to the controller 10. The controller 10 controls the electromagnetic valve 9 to open, and water enters the universal fan-shaped nozzle 3.2 through the flushing pipe 3.1 to flush the coal in the coal receiving chute 2. The coal and the cleaning water flow along the bottom plate of the coal receiving chute 2 to the discharge port 2.1 of the coal receiving chute 2, and enter the sewage collection tank 8 through the pipeline; when the fallen coal in the coal receiving chute 2 is flushed out by water, the bottom of the coal receiving chute 2 moves up and disengages from the proximity switch 4. The proximity switch 4 transmits a signal to the controller 10. The controller 10 controls the electromagnetic valve 9 to close to realize automatic cleaning.
[0018] Working principle: the coal falling on the upper surface of the lower belt 6 is transported along the lower belt 6 to the vicinity of the tail of the belt conveyor, and the coal falling with the rotation of the passive roller 11 enters the coal receiving chute 2. When the weight of the coal in the coal receiving chute 2 reaches a certain value, the bottom of the coal receiving chute 2 moves down to contact the extrusion proximity switch 4, and the proximity switch 4 transmits a signal to the controller 10. The controller 10 controls the solenoid valve 9 to open, and water enters the universal fan-shaped nozzle 3.2 through the flushing pipe 3.1 to flush the coal in the coal receiving chute 2. The coal and the cleaning water flow along the bottom plate of the coal receiving chute 2 to the discharge port 2.1 of the coal receiving chute 2, and enter the sewage collection tank 8 through the pipeline; when the coal in the coal receiving chute 2 is flushed out by water, the bottom of the coal receiving chute 2 moves up and disengages from the proximity switch 4. The proximity switch 4 transmits a signal to the controller 10, and the controller 10 controls the solenoid valve 9 to close.
[0019] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. An automatic cleaning device for coal falling from a belt conveyor, characterized in that: It includes a frame, a coal receiving trough, a flushing assembly and a proximity switch; the frame is installed between the upper and lower belts at the tail of the belt conveyor, the inclined coal receiving trough is connected to the plate surface of the storage plate of the frame through a spring, and a discharge port is opened on the side wall at the lowest end of the coal receiving trough; the flushing assembly is installed at the highest point of the bottom surface in the coal receiving trough, the flushing assembly includes a flushing pipe and a universal fan-shaped nozzle, the outlet end of the flushing pipe passes through the side wall of the coal receiving trough and is connected to the universal fan-shaped nozzle, the universal fan-shaped nozzle is set toward the discharge port of the coal receiving trough, and an electromagnetic valve is arranged on the flushing pipe; the proximity switch is arranged on the storage plate of the frame below the coal receiving trough, the proximity switch is electrically connected to the input end of the controller, and the output end of the controller is electrically connected to the electromagnetic valve.
2. The automatic cleaning device for coal falling from a belt conveyor according to claim 1 is characterized in that: The frame includes a support plate and a storage plate. The support plates are vertically fixed on both sides of the belt conveyor along the belt conveying direction. The top ends of the two support plates are fixedly connected to the horizontally arranged storage plates, and the storage plates are placed above the lower belt.
3. The automatic cleaning device for coal falling from a belt conveyor according to claim 1 or 2, characterized in that: The angle α between the bottom plate of the coal receiving chute and the horizontal plane is 30-45°.
4. The automatic cleaning device for dropped coal on a belt conveyor according to claim 3, characterized in that: The discharge port of the coal receiving trough is connected with the inlet of the sewage collecting tank through a pipeline.