Self-cleaning type scraper conveyor
By introducing waterproof water pump and solenoid valve control system into the scraper conveyor, self-cleaning of the scraper conveyor is achieved, solving the problem of low production efficiency caused by manual cleaning and improving work efficiency.
Patent Information
- Application Number
- CN202422088338.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-08-28
AI Technical Summary
Existing scraper conveyors need manual processing when cleaning the residual raw materials inside, which affects the production process and reduces work efficiency.
The waterproof water pump is used as the power source, and the pipes and the scraper spray cleaning pipeline are cleaned through the inner wall corners and the solenoid valve controller controls to control the alternating opening to realize self-cleaning of the scraper conveyor, including spray flushing of the scraper and inner walls and flushing of the edges and corners.
The self-cleaning of the scraper conveyor is realized, the operation process is simplified, the work efficiency is improved, and the need for manual cleaning is avoided.
Smart Images

Figure CN223117393U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of scraper conveyors, in particular to a self-cleaning scraper conveyor. Background Art
[0002] A scraper conveyor is a large conveyor device that mainly uses a scraper chain to tow and transport bulk materials in a trough. Due to the characteristics of the raw material shape, the residual raw materials in the existing scraper conveyor cannot be discharged. It can only be cleaned after manually removing the materials by opening the cover plate of the scraper conveyor or disassembling the outer shell, which seriously affects the entire production process and reduces the work efficiency. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a self-cleaning scraper conveyor, which has the advantages of realizing the self-cleaning of the scraper conveyor main body, simplifying the operation process, and improving the work efficiency, and solves the technical problem that when the existing scraper conveyor needs to clean the residual raw materials inside, it can only be manually processed, which seriously affects the entire production process and reduces the work efficiency.
[0004] The utility model provides a self-cleaning scraper conveyor, including:
[0005] A scraper conveyor main body, with a valve-equipped feed pipe fixedly connected to the feeding end of its upper surface;
[0006] A multi-stage spray washing mechanism, which includes:
[0007] A waterproof water pump, the output end of which is fixedly connected to a three-way joint, and the other two ends of the three-way joint are respectively fixedly connected to an inner wall corner cleaning pipeline and a scraper spray cleaning pipeline;
[0008] The output end of the inner wall corner cleaning pipeline extends into the scraper conveyor main body, and the output end of the inner wall corner cleaning pipeline faces the lower corner of the inner wall at the feeding end of the scraper conveyor main body;
[0009] The scraper spray cleaning pipeline is fixedly assembled on the upper surface of the scraper conveyor main body, and the output end of the scraper spray cleaning pipeline extends to the top surface of the inner cavity of the scraper conveyor main body;
[0010] The liquid inlet end of the scraper spray cleaning pipeline is fixedly assembled with a first electromagnetic valve, and the liquid inlet end of the inner wall corner cleaning pipeline is fixedly assembled with a second electromagnetic valve;
[0011] A controller, which is electrically connected to the first electromagnetic valve and the second electromagnetic valve respectively;
[0012] The controller controls the first electromagnetic valve and the second electromagnetic valve to be alternately opened at intervals in a sequential order.
[0013] As a further optimization solution, in order to spray and clean the scraper that flips up and down inside the main body of the scraper conveyor and prevent materials from adhering to the scraper and its mounting frame, the scraper spray cleaning pipeline includes:
[0014] A first liquid inlet pipe, one end of which is fixedly connected to the end of a tee joint. The other end of the first liquid inlet pipe is fixedly connected to a horizontal pipe, and both ends of the horizontal pipe are designed to be sealed.
[0015] The first electromagnetic valve is fixedly assembled on the first liquid inlet pipe.
[0016] A spray pipe, one side end of which is fixedly connected to the horizontal pipe, and the other end of the spray pipe is designed to be sealed.
[0017] The bottom surface of the spray pipe is uniformly and fixedly connected with first spray nozzles, and the lower ends of the first spray nozzles extend to the top surface of the inner cavity of the main body of the scraper conveyor.
[0018] As a further optimization solution, in order to wash the lower corners of the inner wall at the feeding end of the main body of the scraper conveyor, so that sewage and impurities are washed towards the discharging port of the main body of the scraper conveyor and discharged, the inner wall corner cleaning pipeline includes:
[0019] A second liquid inlet pipe, one end of which is fixedly connected to the end of a tee joint. The other end of the second liquid inlet pipe is fixedly connected to a corrugated pipe, and the corrugated pipe is located inside the main body of the scraper conveyor.
[0020] The second electromagnetic valve is fixedly assembled on the second liquid inlet pipe.
[0021] The lower end of the corrugated pipe is fixedly connected with a second spray nozzle, and the second spray nozzle faces the lower corners of the inner wall at the feeding end of the main body of the scraper conveyor.
[0022] As a further optimization solution, in order to provide water source through the water tank for convenient water supply, it further includes:
[0023] A water tank, the upper end of which is provided with a liquid inlet pipe with a cover.
[0024] The waterproof water pump is located at the lower end of the inner cavity of the water tank.
[0025] An observation window structure is provided on the upper surface of the water tank.
[0026] As a further optimization solution, in order to conveniently observe the water level in the water tank and facilitate timely replenishment of water source, the observation window structure includes:
[0027] An observation window, which is opened on the upper surface of the water tank.
[0028] The inner wall of the observation window is fixedly assembled with a transparent glass plate.
[0029] As a further optimization solution, in order to drive the second nozzle to reciprocate back and forth, supply liquid through a flexible corrugated pipe, and expand the spraying area, it further includes:
[0030] An electric push rod, which is vertically and fixedly assembled on the front wall of the main body of the scraper conveyor;
[0031] The telescopic rear end of the electric push rod penetrates through the front wall of the main body of the scraper conveyor and is fixedly connected to the outer wall of the second nozzle.
[0032] As a further optimization solution, in order to facilitate the control of the opening or closing of the feed pipe with a valve, close the feed pipe with a valve when the main body of the scraper conveyor is self-cleaning to avoid sewage splashing out. The feed pipe with a valve includes:
[0033] The main body of the feed pipe, the lower end of which is fixedly communicated with the feeding end on the upper surface of the main body of the scraper conveyor;
[0034] A valve is fixedly assembled on the main body of the feed pipe.
[0035] As a further optimization solution, in order to block and divert the materials discharged from the main body of the scraper conveyor and facilitate the discharge of the materials to a designated position, a shielding cover is fixedly assembled at the discharge end face of the main body of the scraper conveyor, and the lower end of the shielding cover is designed with an opening.
[0036] As a further optimization solution, in order to lift the device off the ground, play a moisture-proof role, and be more convenient for cleaning and maintenance, support seats are evenly and fixedly assembled on the bottom surface of the main body of the scraper conveyor.
[0037] As a further optimization solution, in order to improve the spraying and cleaning effect on the scraper, two spray pipes are distributed in parallel before and after.
[0038] The present utility model hereby provides a self-cleaning scraper conveyor through improvement. Compared with the prior art, it has the following improvements and advantages:
[0039] The device uses a waterproof water pump as a power source to supply water into the inner wall corner cleaning pipeline and the scraper spraying and cleaning pipeline. The controller controls the first solenoid valve and the second solenoid valve to be opened alternately at intervals in sequence. First, use the scraper spraying and cleaning pipeline corresponding to the first solenoid valve to spray and wash the scraper that is turned over up and down in the main body of the scraper conveyor, clean and remove the materials adhered to the scraper and its bracket, and these impurities fall into the lower part of the inner cavity of the main body of the scraper conveyor; then use the inner wall corner cleaning pipeline corresponding to the second solenoid valve to wash the lower corner of the inner wall of the feeding end of the main body of the scraper conveyor, so that the sewage and impurities on the bottom surface and corners of the inner wall of the main body of the scraper conveyor are washed towards the discharge port of the main body of the scraper conveyor and discharged, realizing the self-cleaning of the main body of the scraper conveyor, eliminating the need for manual cleaning, simplifying the operation process, and improving work efficiency. Description of the Drawings
[0040] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0041] Figure 1 Structural schematic diagram of the present invention;
[0042] Figure 2 Schematic sectional view of the structure of the present invention;
[0043] Figure 3 Structural schematic diagram of the multi-stage spray washing mechanism of the present invention;
[0044] Figure 4 Structural schematic diagram of the assembly of the electric push rod and the second spray head of the present invention;
[0045] Figure 5 Structural schematic diagram of the valve-equipped feed pipe of the present invention.
[0046] Explanation of reference numerals:
[0047] 1 - Main body of the scraper conveyor, 2 - Valve-equipped feed pipe, 21 - Main body of the feed pipe, 22 - Valve, 3 - Water tank, 4 - Multi-stage spray washing mechanism, 41 - Waterproof water pump, 42 - Three-way joint, 43 - Scraper spray cleaning pipeline, 431 - First liquid inlet pipe, 432 - Horizontal pipe, 433 - Spray pipe, 434 - First spray head, 44 - Inner wall corner cleaning pipeline, 441 - Second liquid inlet pipe, 442 - Bellows, 443 - Second spray head, 45 - Second solenoid valve, 46 - First solenoid valve, 5 - Controller, 6 - Electric push rod, 7 - Shielding cover, 8 - Support seat, 9 - Observation window structure, 91 - Observation window, 92 - Transparent glass plate. Specific embodiments
[0048] The following will clearly and completely describe the technical solutions of the present invention in combination with the embodiments. Obviously, the described embodiments are some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0049] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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, and therefore should not be construed as a limitation of the present utility model.
[0050] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless otherwise specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; 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. 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.
[0051] Please refer to Figures 1-5 , the present utility model provides a technical solution: a self-cleaning scraper conveyor, comprising:
[0052] The scraper conveyor main body 1, and a valve-equipped feed pipe 2 is fixedly communicated with the feeding end of its upper surface;
[0053] The scraper conveyor main body 1 feeds through the valve-equipped feed pipe 2, discharges the material from the conveyor belt, and realizes the conveyance of the material;
[0054] A multi-stage spray washing mechanism 4, which comprises:
[0055] A waterproof water pump 41, the output end of which is fixedly communicated with a three-way joint 42, and the other two ends of the three-way joint 42 are respectively fixedly communicated with an inner wall corner cleaning pipeline 44 and a scraper spray cleaning pipeline 43;
[0056] The output end of the inner wall corner cleaning pipeline 44 extends into the scraper conveyor main body 1, and the output end of the inner wall corner cleaning pipeline 44 faces the lower corner of the inner wall at the feeding end of the scraper conveyor main body 1;
[0057] The inner wall corner cleaning pipeline 44 is used to wash the lower corner at the inner wall of the feeding end of the main body 1 of the scraper conveyor, and use the impact force of the water flow to wash the impurities and sewage falling on the bottom surface of the inner wall of the main body 1 of the scraper conveyor towards the discharge port and discharge them;
[0058] The scraper spray cleaning pipeline 43 is fixedly assembled on the upper surface of the main body 1 of the scraper conveyor, and the output end of the scraper spray cleaning pipeline 43 extends to the top surface of the inner cavity of the main body 1 of the scraper conveyor;
[0059] The scraper spray cleaning pipeline 43 sprays and washes the scraper and its support that are turned over up and down in the main body 1 of the scraper conveyor, and the sewage and impurities cleaned fall on the bottom surface of the inner wall of the main body 1 of the scraper conveyor;
[0060] The liquid inlet end of the scraper spray cleaning pipeline 43 is fixedly assembled with a first solenoid valve 46, and the liquid inlet end of the inner wall corner cleaning pipeline 44 is fixedly assembled with a second solenoid valve 45;
[0061] The controller 5 is electrically connected to the first solenoid valve 46 and the second solenoid valve 45 respectively;
[0062] The controller 5 controls the first solenoid valve 46 and the second solenoid valve 45 to be opened alternately at intervals in sequence. First, the scraper and its support in the main body 1 of the scraper conveyor are sprayed and washed, and then the lower corner at the inner wall of the feeding end of the main body 1 of the scraper conveyor is washed, so as to discharge the sewage and impurities generated on both sides at one time.
[0063] In some embodiments, in order to spray and clean the scraper that is turned over up and down in the main body 1 of the scraper conveyor and prevent materials from adhering to the scraper and its mounting frame, the scraper spray cleaning pipeline 43 includes:
[0064] The first liquid inlet pipe 431, one end of which is fixedly connected to the end of the three-way joint 42, and the other end of the first liquid inlet pipe 431 is fixedly communicated with a horizontal pipe 432, and both ends of the horizontal pipe 432 are designed to be sealed;
[0065] The first solenoid valve 46 is fixedly assembled on the first liquid inlet pipe 431;
[0066] The spray pipe 433, one side end of which is fixedly communicated with the horizontal pipe 432, and the other end of the spray pipe 433 is designed to be sealed;
[0067] The bottom surface of the spray pipe 433 is uniformly fixedly communicated with first nozzles 434, and the lower ends of the first nozzles 434 extend to the top surface of the inner cavity of the main body 1 of the scraper conveyor.
[0068] When the first solenoid valve 46 is opened, the water source enters the horizontal pipe 432 and the spray pipe 433 from the first liquid inlet pipe 431, and finally sprays downward from the first nozzles 434 to spray and clean the scraper that is turned over up and down.
[0069] In some embodiments, in order to wash the lower corner at the inner wall of the feeding end of the scraper conveyor main body 1, so that sewage and impurities are flushed towards the discharging port of the scraper conveyor main body 1 and discharged, the inner wall corner cleaning pipeline 44 includes:
[0070] A second liquid inlet pipe 441, one end of which is fixedly connected to the end of the three-way joint 42, and the other end of the second liquid inlet pipe 441 is fixedly communicated with a corrugated pipe 442, and the corrugated pipe 442 is located inside the scraper conveyor main body 1;
[0071] A second electromagnetic valve 45 is fixedly assembled on the second liquid inlet pipe 441;
[0072] The lower end of the corrugated pipe 442 is fixedly communicated with a second spray head 443, and the second spray head 443 faces the lower corner at the inner wall of the feeding end of the scraper conveyor main body 1.
[0073] The second electromagnetic valve 45 adopts a waterproof electromagnetic valve. When the second electromagnetic valve 45 is opened, water source enters the corrugated pipe 442 from the second liquid inlet pipe 441, and finally sprays downward from the second spray head 443 to wash the lower corner at the inner wall of the feeding end of the scraper conveyor main body 1. The washing water flow flushes towards the discharging port of the scraper conveyor main body, and the impurities and sewage on the bottom surface of the inner wall of the scraper conveyor main body 1 are carried and discharged from the discharging port of the scraper conveyor main body together during this process.
[0074] In some embodiments, in order to provide water source through the water tank 3 for convenient water supply, it further includes:
[0075] A water tank 3, which is provided with a liquid inlet pipe with a cover at its upper end. The upper cover of the liquid inlet pipe with a cover is opened to replenish water to the water tank 3, and the upper cover of the liquid inlet pipe is closed after replenishing water;
[0076] A waterproof water pump 41 is located at the lower end of the inner cavity of the water tank 3;
[0077] An observation window structure 9 is provided on the upper surface of the water tank 3.
[0078] In some embodiments, in order to conveniently observe the water level in the water tank 3 for timely replenishing water source, the observation window structure 9 includes:
[0079] An observation window 91, which is opened on the upper surface of the water tank 3;
[0080] A transparent glass plate 92 is fixedly assembled on the inner wall of the observation window 91.
[0081] In some embodiments, in order to drive the second spray head 443 to reciprocate back and forth, supply liquid through the flexible corrugated pipe 442, and expand the spraying area, it further includes:
[0082] An electric push rod 6, which is vertically and fixedly assembled on the front wall of the scraper conveyor main body 1;
[0083] The telescopic rear end of the electric push rod 6 penetrates through the front wall of the main body 1 of the scraper conveyor and is fixedly connected to the outer wall of the second nozzle 443. The electric push rod 6 is connected to an external power supply to act as the power for driving the second nozzle 443 to reciprocate back and forth.
[0084] In some embodiments, in order to facilitate the control of the opening or closing of the valve-equipped feed pipe 2, when the main body 1 of the scraper conveyor performs self-cleaning, the valve-equipped feed pipe 2 is closed to avoid sewage splashing out. The valve-equipped feed pipe 2 includes:
[0085] The feed pipe main body 21, the lower end of which is fixedly communicated with the feeding end on the upper surface of the main body 1 of the scraper conveyor;
[0086] A valve 22 is fixedly assembled on the feed pipe main body 21, and the opening or closing of the feed pipe main body 21 is controlled by the opening or closing of the valve 22.
[0087] In some embodiments, in order to block and divert the materials discharged from the main body 1 of the scraper conveyor and facilitate the discharge of the materials to a designated position, a shielding cover 7 is fixedly assembled at the discharge end face of the main body 1 of the scraper conveyor, and the lower end of the shielding cover 7 is designed to be open.
[0088] In some embodiments, in order to lift the device off the ground, play a moisture-proof role, and be more convenient for cleaning and maintenance, support seats 8 are uniformly fixedly assembled on the bottom surface of the main body 1 of the scraper conveyor.
[0089] In some embodiments, in order to improve the spraying and cleaning effect on the scraper, two spray pipes 433 are distributed in parallel before and after.
[0090] Working principle:
[0091] The main body 1 of the scraper conveyor feeds materials through the valve-equipped feed pipe 2, discharges the materials from the conveyor belt, and realizes the conveyance of the materials. The device uses a waterproof water pump 41 as the power source to supply water into the inner wall corner cleaning pipeline 44 and the scraper spraying and cleaning pipeline 43. The controller 5 controls the first solenoid valve 46 and the second solenoid valve 45 to be alternately opened at intervals in sequence. First, the scraper and its support in the main body 1 of the scraper conveyor are sprayed and washed, and then the corners below the inner wall of the feeding end of the main body 1 of the scraper conveyor are washed, so as to discharge the sewage and impurities generated on both sides at one time;
[0092] The scraper spraying and cleaning pipeline 43 sprays and washes the scraper and its support that are turned over up and down in the main body 1 of the scraper conveyor. The sewage and impurities cleaned fall on the bottom surface of the inner wall of the main body 1 of the scraper conveyor. The inner wall corner cleaning pipeline 44 is used to wash the corners below the inner wall of the feeding end of the main body 1 of the scraper conveyor, and uses the impact force of the water flow to wash the impurities and sewage falling on the bottom surface of the inner wall of the main body 1 of the scraper conveyor towards the discharge port and discharge them;
[0093] Realize the self-cleaning of the main body 1 of the scraper conveyor, without manual cleaning, simplify the operation process, and improve work efficiency.
[0094] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.
Claims
1. A self-cleaning scraper conveyor, characterized in that, Including: The main body (1) of the scraper conveyor, with a valve-equipped feed pipe (2) fixedly connected to the feeding end of its upper surface; The multi-stage spray washing mechanism (4), which includes: A waterproof water pump (41), the output end of which is fixedly connected to a three-way joint (42), and the other two ends of the three-way joint (42) are respectively fixedly connected to an inner wall corner cleaning pipeline (44) and a scraper spray cleaning pipeline (43); The output end of the inner wall corner cleaning pipeline (44) extends into the main body (1) of the scraper conveyor, and the output end of the inner wall corner cleaning pipeline (44) faces the lower corner of the inner wall at the feeding end of the main body (1) of the scraper conveyor; The scraper spray cleaning pipeline (43) is fixedly assembled on the upper surface of the main body (1) of the scraper conveyor, and the output end of the scraper spray cleaning pipeline (43) extends to the top surface of the inner cavity of the main body (1) of the scraper conveyor; The liquid inlet end of the scraper spray cleaning pipeline (43) is fixedly assembled with a first electromagnetic valve (46), and the liquid inlet end of the inner wall corner cleaning pipeline (44) is fixedly assembled with a second electromagnetic valve (45); A controller (5), which is electrically connected to the first electromagnetic valve (46) and the second electromagnetic valve (45) respectively; The controller (5) controls the first electromagnetic valve (46) and the second electromagnetic valve (45) to be alternately opened at intervals in a sequential order.
2. The self-cleaning scraper conveyor according to claim 1, wherein, The scraper spray cleaning pipeline (43) includes: A first liquid inlet pipe (431), one end of which is fixedly connected to the end of the three-way joint (42), the other end of the first liquid inlet pipe (431) is fixedly connected to a horizontal pipe (432), and both ends of the horizontal pipe (432) are designed to be sealed; The first electromagnetic valve (46) is fixedly assembled on the first liquid inlet pipe (431); A spray pipe (433), one side end of which is fixedly connected to the horizontal pipe (432), and the other end of the spray pipe (433) is designed to be sealed; The bottom surface of the spray pipe (433) is evenly and fixedly connected with first nozzles (434), and the lower ends of the first nozzles (434) extend to the top surface of the inner cavity of the main body (1) of the scraper conveyor.
3. The self-cleaning scraper conveyor according to claim 1, characterized in that, The inner wall corner cleaning pipeline (44) includes: A second liquid inlet pipe (441), one end of which is fixedly connected to the end of the three-way joint (42), the other end of the second liquid inlet pipe (441) is fixedly connected to a corrugated pipe (442), and the corrugated pipe (442) is located inside the main body (1) of the scraper conveyor; The second electromagnetic valve (45) is fixedly assembled on the second liquid inlet pipe (441); The lower end of the corrugated pipe (442) is fixedly connected with a second nozzle (443), and the second nozzle (443) faces the lower corner of the inner wall at the feeding end of the main body (1) of the scraper conveyor.
4. A self-cleaning scraper conveyor according to claim 1, characterized in that, It also includes: A water tank (3), with a liquid inlet pipe with a cover at its upper end; The waterproof water pump (41) is located at the lower end of the inner cavity of the water tank (3); An observation window structure (9) is provided on the upper surface of the water tank (3).
5. The self-cleaning scraper conveyor according to claim 4, wherein, The observation window structure (9) includes: An observation window (91), which is opened on the upper surface of the water tank (3); A transparent glass plate (92) is fixedly assembled on the inner wall of the observation window (91).
6. The self-cleaning scraper conveyor according to claim 3, characterized in that, It also includes: An electric push rod (6), which is vertically fixedly assembled on the front wall of the main body (1) of the scraper conveyor; The telescopic rear end of the electric push rod (6) penetrates through the front wall of the scraper conveyor main body (1) and is fixedly connected to the outer wall of the second spray head (443).
7. The self-cleaning scraper conveyor according to claim 1, wherein, The valve-equipped feed pipe (2) includes: A feed pipe main body (21) whose lower end is fixedly communicated with the feed end on the upper surface of the scraper conveyor main body (1); A valve (22) is fixedly assembled on the feed pipe main body (21).
8. The self-cleaning scraper conveyor according to claim 1, characterized in that, A shielding cover (7) is fixedly assembled at the discharge end face of the scraper conveyor main body (1), and the lower end of the shielding cover (7) is designed with an opening.
9. The self-cleaning scraper conveyor according to claim 1, characterized in that, Support seats (8) are evenly and fixedly assembled on the bottom surface of the scraper conveyor main body (1).
10. The self-cleaning scraper conveyor according to claim 2, characterized in that, There are two spray pipes (433) distributed parallel to each other before and after.