Large-dip-angle belt conveyor cleaning device

Abstract

The utility model discloses a cleaning device for a large-dip-angle belt conveyor, which comprises the large-dip-angle belt conveyor and is characterized in that a blanking groove is arranged below a machine head of the large-dip-angle belt conveyor, and a blowing type sweeper is arranged below a return belt below the machine head. The two ends of the blowing type sweeper are fixed to the two sides of the large-dip-angle belt conveyor, and the blowing type sweeper is located above the discharging groove. And a dust removal air duct is arranged above the machine head of the large-dip-angle belt conveyor. The cleaning device can effectively clean and collect residual materials on the belt, reduce the dust problem in the operation process, relieve the labor intensity of workers and keep a clean operation environment.

Description

Technical field:

[0001] The utility model belongs to the technical field of belt conveying, and in particular relates to a cleaning device for a belt conveyor with a large inclination angle. Background technology:

[0002] The high-angle belt conveyor is a type of conveyor that has the function of conveying large slopes that general belt conveyors cannot accomplish. It has the advantages of simple structure, reliable operation, easy maintenance, and small footprint. It can also realize vertical lifting of materials and is suitable for continuous transportation of goods between height differences. Therefore, high-angle belt conveyors are often used in general coal mines and sand fields to transport materials. However, due to the fineness of coal materials, the remaining fine particles in the receiving trough during transportation are not easy to clean, especially when conveying relatively wet and high-viscosity materials, which is even more difficult to clean, resulting in a poor production site environment and a large amount of cleaning work. Utility model content:

[0003] The utility model aims to provide a cleaning device for a belt conveyor with a large inclination angle, which can clean the belt conveyor with a large inclination angle, saves time and effort, and solves the problems mentioned in the background technology.

[0004] The utility model is implemented by the following technical solution:

[0005] A cleaning device for a high-angle belt conveyor comprises a high-angle belt conveyor, wherein a material drop chute is arranged below a head of the high-angle belt conveyor, a jet cleaner is arranged below a return belt below the head, two ends of the jet cleaner are fixed on both sides of the high-angle belt conveyor, the jet cleaner is located above the material drop chute, the jet cleaner blows down materials attached to the return belt and directly drops them into the material drop chute; a dust removal blower is arranged above the head of the high-angle belt conveyor, the dust generated by the jet cleaner and the dust generated during the operation of the high-angle belt conveyor are extracted, so as to clean the working environment.

[0006] Furthermore, the jet-type sweeper includes at least two air outlet pipes, each of which is provided with at least two nozzles, and the two nozzles that are farthest apart are respectively provided below the two ends of the collecting trough of the return belt of the high-angle belt conveyor, and the air outlet of the nozzle faces the collecting trough. The nozzle blows high-pressure air toward the collecting trough, which can sweep the materials in the collecting trough down, which can reduce the dirt caused by the materials falling on the ground, and can collect as much materials as possible, saving costs.

[0007] Furthermore, the air outlet pipe is connected to an air bag through a main air pipe, and a master control solenoid valve is arranged on the main air pipe; a branch solenoid valve is arranged at the air inlet end of the air outlet pipe, and the branch solenoid valve is a valve capable of adjusting the air volume. The operation of the spray-type sweeper can be realized by controlling the master control solenoid valve and the branch solenoid valve.

[0008] Furthermore, the jet-type sweeper includes two air outlet pipes, and the branch solenoid valves of the two air outlet pipes are respectively a first solenoid valve and a second solenoid valve.

[0009] Furthermore, it also includes a control module for controlling the opening and closing of the master control solenoid valve according to the motor operation signal of the high-angle belt conveyor.

[0010] Furthermore, the control module includes a control circuit, which includes a first circuit, a second circuit, and a third circuit connected to a power supply; the master control solenoid valve is connected in parallel with the first circuit, and the first circuit includes a series-connected time delay relay and a closed contact of the motor operation signal; and further includes a fourth circuit and a fifth circuit connected in parallel with the first circuit, the fourth circuit includes a series-connected first solenoid valve intermediate relay and a time-delayed disconnection normally open contact, and the fifth circuit includes a series-connected second solenoid valve intermediate relay and a time-delayed closing normally open contact; the second circuit includes a series-connected first solenoid valve intermediate relay normally open contact and the first solenoid valve; the third circuit includes a series-connected second solenoid valve intermediate relay normally open contact and the second solenoid valve. The two branch solenoid valves are opened and closed in sequence, so that the two air outlet pipes discharge air in sequence, which can save power while ensuring cleaning power.

[0011] Furthermore, a plurality of filter plates are installed in the dust removal duct, and the filter plates can intercept the dust and the like sucked into the dust removal duct to reduce the risk of the dust and the like floating into the atmosphere; the dust removal duct is connected to a dust removal fan.

[0012] Beneficial effects:

[0013] The utility model designs a cleaning device for a large-angle belt conveyor with a simple structure and easy installation. The jet sweeper uses high-pressure wind to blow to the collecting groove of the return belt through a nozzle, which can effectively remove residual materials on the belt, reduce belt wear, and extend the service life of the belt, and recycle materials into the material chute, saving costs and reducing the labor intensity of workers. At the same time, a dust removal wind cylinder is also provided to reduce dust problems during operation and maintain a clean working environment. Description of the drawings:

[0014] 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 creative work.

[0015] Figure 1 A schematic structural diagram of a cleaning device for a high-angle belt conveyor according to an embodiment of the present invention;

[0016] Figure 2 Schematic diagram of the structure of the air outlet pipe of the embodiment (the dotted arrow in the figure indicates the flow direction of the high-pressure air);

[0017] Figure 3 Schematic diagram of the circuit principle of the control module of the embodiment.

[0018] The accompanying drawings are as follows:

[0019] 10. High-angle belt conveyor; 11. Machine head; 12. Return belt; 13. Collecting trough; 20. Material drop trough; 30. Air outlet pipe; 31. Nozzle; 32. First solenoid valve; 33. Second solenoid valve; 40. Main air duct; 41. Main solenoid valve; 50. Air bag; 60. Dust removal air cylinder; 61. Filter plate; 70. Dust removal fan; 80. Control circuit; 81. First circuit; 811. Closed contact of motor operation signal; 812. Time delay relay; 82. Second circuit; 821. Normally open contact of first solenoid valve intermediate relay; 83. Third circuit; 831. Normally open contact of second solenoid valve intermediate relay; 84. Fourth circuit; 841. First solenoid valve intermediate relay; 842. Delay disconnection normally open contact; 85. Fifth circuit; 851. Second solenoid valve intermediate relay; 852. Delay closing normally open contact. Specific implementation method:

[0020] 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, rather than all the embodiments. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "middle", "upper", "lower", "inner", "outer", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the 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, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Example

[0022] A cleaning device for a large-angle belt conveyor, such as Figure 1 As shown, it includes a steep-angle belt conveyor 10, a material drop chute 20 is arranged below the head 11 of the steep-angle belt conveyor 10, a jet cleaner is arranged below the return belt 12 below the head 11, both ends of the jet cleaner are fixed on both sides of the steep-angle belt conveyor 10, and the jet cleaner is located above the material drop chute 20.

[0023] The spray-type sweeper includes two air outlet pipes 30, the air outlet pipes 30 are connected to the air bag 50 through the main air pipe 40, and the main air pipe 40 is provided with a master control solenoid valve 41; the air inlet end of the air outlet pipe 30 is provided with a branch solenoid valve, and the branch solenoid valves of the two air outlet pipes 30 are respectively a first solenoid valve 32 and a second solenoid valve 33, and the branch solenoid valve is a valve that can adjust the air volume; Figure 2 As shown, three nozzles 31 are arranged on each air outlet pipe 30, and the two nozzles 31 farthest apart are arranged below the two ends of the collecting tank 13 of the return belt 12 of the steep-angle belt conveyor 10, and the air outlets of the nozzles 31 face the collecting tank 13. A dust removal air cylinder 60 is arranged above the head 11 of the steep-angle belt conveyor 10, and a plurality of filter plates 61 are installed in the dust removal air cylinder 60; the dust removal air cylinder 60 is connected to a dust removal fan 70.

[0024] like Figure 3As shown, it also includes a control module for controlling the opening and closing of the master control solenoid valve 41 according to the operation signal of the motor of the high-angle belt conveyor 10. The control module includes a control circuit 80, and the control circuit 80 includes a first circuit 81, a second circuit 82, and a third circuit 83 connected to the power supply; the master control solenoid valve 41 is connected in parallel with the first circuit 81, and the first circuit 81 includes a series-connected delay relay 812 and a closed contact 811 of the motor operation signal; it also includes a fourth circuit 84 and a fifth circuit 85 connected in parallel with the first circuit 81, the fourth circuit 84 includes a series-connected first solenoid valve intermediate relay 841 and a time-delayed disconnection normally open contact 842, and the fifth circuit 85 includes a series-connected second solenoid valve intermediate relay 851 and a time-delayed closing normally open contact 852; the second circuit 82 includes a series-connected first solenoid valve intermediate relay normally open contact 821 and a first solenoid valve 32; the third circuit includes a series-connected second solenoid valve intermediate relay normally open contact 831 and a second solenoid valve 33. The time relays of the first solenoid valve 32 and the second solenoid valve 33 are respectively connected to the delayed opening normally open contact and the delayed closing normally open contact, so that the two branch solenoid valves are closed or opened in turn, and the nozzles 31 of the two air outlet pipes 30 are controlled by the time difference and blow air in turn.

[0025] During use, after the high-angle belt conveyor 10 is started, the master control solenoid valve 41 is opened, and the first solenoid valve 32 and the second solenoid valve 33 are closed and opened in sequence under the action of the control module, and the high-pressure wind is blown out from the nozzles 31 on the two air outlet pipes 30 in turn, and sprayed toward the center of the collection tank 13. The nozzles 31 on the two air outlet pipes 30 rely on the spraying wind force to blow down the materials adhering to the return belt 12 so that they are separated from the collection tank 13 and fall into the material drop trough 20, thereby achieving the purpose of cleaning. In order to reduce the dust produced by the spray-type sweeper when blowing materials and affecting the production environment, a dust removal wind tube 60 is installed above the head 11 of the high-angle belt conveyor 10. The dust is sucked away under the action of the dust removal fan 70, reducing the dust generated during the operation of the spray-type sweeper, and collecting the dust generated by the angle belt conveyor 10, reducing production environmental pollution, and maintaining a clean working environment.

[0026] The above description is only a preferred embodiment of the present invention and is 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. A high-angle belt conveyor cleaning device, comprising a high-angle belt conveyor, characterized in that: A material dropping chute is arranged below the head of the steep-angle belt conveyor, a jet cleaner is arranged below the return belt below the head, both ends of the jet cleaner are fixed on both sides of the steep-angle belt conveyor, and the jet cleaner is located above the material dropping chute; a dust removal air cylinder is arranged above the head of the steep-angle belt conveyor.

2. A high-angle belt conveyor cleaning device according to claim 1, characterized in that: The jet-type sweeper includes at least two air outlet pipes, each of which is provided with at least two nozzles. The two nozzles that are farthest apart are respectively arranged below the two ends of the collecting trough of the return belt of the high-angle belt conveyor, and the air outlet of the nozzle faces the collecting trough.

3. A cleaning device for a high-angle belt conveyor according to claim 2, characterized in that: The air outlet duct is connected to an air bag through a main air duct, and a main control solenoid valve is arranged on the main air duct; a branch solenoid valve is arranged at the air inlet end of the air outlet duct, and the branch solenoid valve is a valve capable of adjusting the air volume.

4. A cleaning device for a high-angle belt conveyor according to claim 3, characterized in that: The spray-type sweeper comprises two air outlet pipes, and the branch solenoid valves of the two air outlet pipes are respectively a first solenoid valve and a second solenoid valve.

5. A cleaning device for a high-angle belt conveyor according to claim 4, characterized in that: It also includes a control module, which is used to control the opening and closing of the master control solenoid valve according to the motor operation signal of the high-angle belt conveyor.

6. A cleaning device for a high-angle belt conveyor according to claim 5, characterized in that: The control module includes a control circuit, which includes a first circuit, a second circuit, and a third circuit connected to a power supply; the master control solenoid valve is connected in parallel with the first circuit, and the first circuit includes a series-connected delay relay and a closed contact of the motor operation signal; it also includes a fourth circuit and a fifth circuit connected in parallel with the first circuit, the fourth circuit includes a series-connected first solenoid valve intermediate relay and a delayed-opening normally-open contact, and the fifth circuit includes a series-connected second solenoid valve intermediate relay and a delayed-closing normally-open contact; the second circuit includes a series-connected first solenoid valve intermediate relay normally-open contact and the first solenoid valve; the third circuit includes a series-connected second solenoid valve intermediate relay normally-open contact and the second solenoid valve.

7. A cleaning device for a high-angle belt conveyor according to claim 1, characterized in that: A plurality of filter plates are installed in the dust removal air duct; and the dust removal air duct is connected to a dust removal fan.

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