Electro-hydraulic bucket type scraper blowdown device

Abstract

The utility model provides an electro-hydraulic bucket type scraper blowdown device, which belongs to the field of blowdown equipment in material conveying, and comprises a frame, and groove-shaped guide rails are respectively arranged on the inner walls of the left side and the right side of the frame; the connecting assembly comprises a plurality of connecting blocks which are evenly distributed in the length direction of the frame, a bucket type scraper is arranged between every two adjacent connecting blocks on the front side and the rear side, the connecting blocks are connected in parallel through a connecting rod mechanism, the connecting rod mechanism comprises an upper connecting rod and a lower connecting rod, and the upper connecting rod is hinged to the upper portions of the connecting blocks; and the upper side and the lower side of the outer side of the upper connecting rod are rotationally connected with an upper guide wheel and a lower guide wheel correspondingly, and the lower guide wheel rolls and displaces along the groove-shaped guide rail. The connecting assembly is arranged, the hydraulic cylinder is used for driving, mineral aggregates are prevented from being stuck, the failure rate of the machine is reduced, the structure is simple and compact, the device is suitable for being installed in a narrow space, and maintenance is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of sewage discharge technology in material conveying, specifically to an electro-hydraulic bucket scraper sewage discharge device. Background Technology

[0002] Currently, most conveyor belts generate a lot of spillage along the return route when transporting mineral materials. The space under the conveyor belt is small. In order to ensure the normal operation of the equipment, it used to be necessary to arrange workers to clean up the conveyor belt while it was running. Now, a cleaning device is used.

[0003] Application number CN2023201237057 discloses a "bucket scraper cleaning machine," which uses a chain scraper conveyor for cleaning and discharging. However, because the chain and scraper of the chain scraper conveyor are flexibly connected, it cannot completely remove solidified materials, and materials easily get stuck in the chain. Over time, this can cause the reducer to stop or the chain to break, leading to machine malfunctions. Furthermore, during the cleaning and sewage discharge process, spilled minerals mix with the wastewater on the ground, forming slurry that adheres to the bucket scraper, requiring regular cleaning. Since the scraper is welded between connecting blocks, the entire machine needs to be disassembled, making it inconvenient to use. Therefore, we propose an electro-hydraulic bucket scraper sewage discharge device to solve the above-mentioned problems. Utility Model Content

[0004] In view of the shortcomings of the existing technology, this utility model provides an electro-hydraulic bucket-type scraper sewage discharge device to solve the problems mentioned in the background art.

[0005] The purpose of this utility model can be achieved through the following technical solution: it includes a frame, and grooved guide rails are respectively provided on the inner walls of the left and right sides of the frame;

[0006] The connecting assembly includes multiple connecting blocks evenly arranged along the length of the frame. A bucket-type scraper is positioned between two adjacent connecting blocks on the front and rear sides. The multiple connecting blocks are connected in parallel using a linkage mechanism, which includes an upper connecting rod and a lower connecting rod. The upper connecting rod is hinged to the upper part of the connecting block, and the lower connecting rod is hinged to the lower part of the connecting block. Upper and lower guide wheels are rotatably connected to the upper and lower outer sides of the upper connecting rod, respectively. The lower guide wheel rolls along a grooved guide rail. A hydraulic cylinder for translating the connecting assembly is located at the end of the frame away from the tail funnel. The output end of the hydraulic cylinder is hinged to a tilting mechanism, and the other end of the tilting mechanism is hinged to the upper connecting rod. A hydraulic push rod is connected to the output end of the hydraulic cylinder. The tilting mechanism is a triangular rotating block. The first corner of the triangular rotating block is hinged to the end of the hydraulic push rod, and the second corner is hinged to one end of the upper connecting rod. A roller is rotatably connected to the third corner of the triangular rotating block. Limit adjustment switches are provided on the top left and right sides of one side of the frame.

[0007] Preferably, the assembly also includes a disassembly and assembly component, which includes a cavity formed on one side of the connecting block. A baffle is also provided on one side of the connecting block. Sliding bearings are rotatably connected to the upper and lower sides of the baffle near the adjacent cavity. The sliding bearings are movably connected to the side of the cavity away from the baffle. Positioning plates are fixedly connected to the front and rear sides of the bucket scraper. Two symmetrical positioning holes are formed on the positioning plates. Symmetrical positioning pins are fixedly connected to the lower side of one side of the connecting block. The positioning pins are inserted into the adjacent positioning holes. Insertion holes are formed at the four corners of the cavity on the side away from the adjacent baffle. Locking pin assemblies are also provided on the upper and lower sides of the baffle.

[0008] Preferably, the locking pin assembly includes two insert rods inserted into adjacent insertion holes. A limiting ring is fixedly connected to the outer side of one end of each insert rod. A spring is provided between the limiting ring and the adjacent side of the baffle. The spring is sleeved on the outer side of the adjacent insert rods. An outer pull plate is fixedly connected to the other end of the two insert rods.

[0009] Preferably, an outer mounting plate is also fixedly connected to one side of the cavity.

[0010] Preferably, the length of the baffle is greater than the sum of the lengths of the two cavities and the positioning plate.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] 1. The machine is driven by a hydraulic cylinder through a set connection component, which avoids material jamming, reduces the machine failure rate, and has a simple and compact structure, making it suitable for installation in confined spaces and easier to maintain.

[0013] 2. The set disassembly and locking components make it easy to disassemble and install multiple bucket scrapers and connecting blocks, which facilitates the disassembly and cleaning of the bucket scrapers, making it more convenient to use and avoiding the problem of reduced cleaning efficiency due to mineral material adhering to the bucket scrapers. Attached Figure Description

[0014] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0016] Figure 2 This is a partially enlarged structural schematic diagram of the present invention;

[0017] Figure 3 This is a partially enlarged structural schematic diagram of the present invention (with hidden baffle);

[0018] Figure 4 yes Figure 1 An enlarged schematic diagram of part A is shown below;

[0019] Figure 5 yes Figure 2 The enlarged schematic diagram of part B is shown.

[0020] In the diagram: 1. Frame; 2. Grooved guide rail; 3. Bucket scraper; 4. Upper connecting rod; 5. Lower connecting rod; 6. Upper guide wheel; 7. Lower guide wheel; 8. Cavity; 9. Hydraulic cylinder; 10. Hydraulic push rod; 11. Triangular rotating block; 12. Roller; 13. Sliding bearing; 14. Limit adjustment switch; 15. Mounting outer plate; 16. Positioning plate; 17. Insertion hole; 18. Positioning post; 19. Limit ring; 20. Spring; 21. Outer pull plate; 22. Connecting block; 23. Baffle; 24. Insertion rod. Detailed Implementation

[0021] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0022] Please see Figures 1-5 As shown, an electro-hydraulic bucket-type scraper sewage discharge device includes a frame 1, and grooved guide rails 2 are respectively provided on the inner walls of the left and right sides of the frame 1.

[0023] The connecting assembly includes multiple connecting blocks 22 evenly arranged along the length of the frame 1. A bucket-type scraper 3 is provided between two adjacent connecting blocks 22 on the front and rear sides. The multiple connecting blocks 22 are connected in parallel by a linkage mechanism, which includes an upper connecting rod 4 and a lower connecting rod 5. The upper connecting rod 4 is hinged to the upper part of the connecting block 22, and the lower connecting rod 5 is hinged to the lower part of the connecting block 22. An upper guide wheel 6 and a lower guide wheel 7 are rotatably connected to the upper and lower sides of the outer side of the upper connecting rod 4, respectively. The lower guide wheel 7 rolls along the grooved guide rail 2. A slider is provided on the side of the lower connecting rod 5 closest to the grooved guide rail 2, and the slider interacts with the grooved guide rail 2. The rail 2 guides its movement. A hydraulic cylinder 9 for translating the connecting assembly is located at the end of the frame 1 away from the tail funnel. The output end of the hydraulic cylinder 9 is hinged to the flipping mechanism, and the other end of the flipping mechanism is hinged to the upper connecting rod 4. The output end of the hydraulic cylinder 9 is connected to a hydraulic push rod 10. The flipping mechanism is a triangular rotating block 11. The first corner of the triangular rotating block 11 is hinged to the end of the hydraulic push rod 10, and the second corner of the triangular rotating block 11 is hinged to one end of the upper connecting rod 4. The third corner of the triangular rotating block 11 is rotatably connected to a roller 12. Limit adjustment switches 14 are respectively provided on the top left and right sides of one side of the frame 1.

[0024] It should be noted that both the upper guide wheel 6 and the lower guide wheel 7 are used to guide the upper connecting rod 4. The roller 12 is used to contact and roll with the top of the grooved guide rail 2 during the flipping process to facilitate friction reduction. The limit adjustment switch 14 can be used to control the extension and retraction range of the hydraulic push rod 10. When the material in the cleaning trough accumulates to a certain height, the hydraulic cylinder 9 is activated through the external hydraulic system. The hydraulic cylinder 9 pushes the hydraulic push rod 10 to extend, and under the connection of the triangular rotating block 11, it pushes the upper connecting rod 4 and drives the entire connecting assembly to move horizontally towards the tail funnel. At this time, the upper connecting rod 4 is located in the horizontal rear position of the lower connecting rod 5, and the bottom of the bucket scraper 3 is in a flat state. Since the friction between the slider in the lower connecting rod 5 and the grooved guide rail 2 is relatively large, while the friction between the upper guide wheel 6 and the top surface of the frame is much smaller, the displacement resistance of the upper connecting rod 4 is much smaller than that of the lower connecting rod 5. Therefore, during the process of the hydraulic cylinder 9 pushing the upper connecting rod 4, the triangular rotating block 11 generates rotational motion, and through the movement of the upper connecting rod 4... The movement drives all the bucket scrapers 3 to flip, so that the bottom of the bucket scrapers 3 is in a vertical state. As the bucket scrapers 3 move horizontally towards the tail funnel, they push the material in the cleaning trough towards the tail funnel. At this time, the upper connecting rod 4 is in a horizontal and forward position of the lower connecting rod 5 until the front bumper of the upper connecting rod 4 touches the front limit adjustment switch 14, and the entire connecting assembly stops moving. When the connecting assembly reaches the front limit, the hydraulic system receives a signal and retracts the hydraulic push rod 10. Similarly, as the hydraulic push rod 10 pulls the upper connecting rod 4 to retract, since the displacement resistance of the upper connecting rod 4 is much smaller than that of the lower connecting rod 5, the triangular rotating block 11 rotates again. The movement of the upper connecting rod 4 drives all the bucket scrapers 3 to flip, so that the bottom of the bucket scrapers 3 is in a flat state, until the rear bumper of the upper connecting rod 4 touches the rear limit adjustment switch 14, and the entire connecting assembly stops moving and returns to the starting position. The above steps are repeated until the material in the cleaning trough is cleaned.

[0025] It also includes a disassembly and assembly component, which includes a cavity 8 opened on one side of the connecting block 22. A baffle 23 is also provided on one side of the connecting block 22. Sliding bearings 13 are rotatably connected to the upper and lower sides of the side of the baffle 23 near the adjacent cavity 8. The sliding bearings 13 are movably connected to the side of the cavity 8 away from the baffle 23. Positioning plates 16 are fixedly connected to the front and rear sides of the bucket scraper 3. Two symmetrical positioning holes are opened on the positioning plates 16. Symmetrical positioning pins 18 are fixedly connected to the lower side of one side of the connecting block 22. The positioning pins 18 are inserted into the adjacent positioning holes. Insertion holes 17 are opened at the four corners of the side of the cavity 8 away from the adjacent baffle 23. Locking pin components are also provided on the upper and lower sides of the baffle 23. The locking pin assembly includes two insert rods 24 inserted into adjacent insertion holes 17. A limit ring 19 is fixedly connected to the outer side of one end of the insert rod 24. A spring 20 is provided between the limit ring 19 and the adjacent side of the baffle 23. The spring 20 is sleeved on the outer side of the adjacent insert rod 24. An outer pull plate 21 is fixedly connected to the other end of the two insert rods 24.

[0026] It should be noted that the baffle 23 is used to seal the connection between the positioning plate 16 and the positioning post 18 to prevent material from adhering and causing jamming. The sliding bearing 13 is used to guide the movement of the baffle 23. Different insertion holes 17 can easily fix the current position of the baffle 23. The spring 20 can cooperate with the limiting ring 19 to ensure that the insertion rod 24 is always tightly connected with the insertion hole 17. The outer pull plate 21 can easily pull the insertion rods 24 on both sides to move outward at the same time. When it is necessary to disassemble the bucket scraper 3 for cleaning, first pull the outer pull plates on both sides. Pull 21 outward to compress the spring 20 by the limiting ring 19, and at the same time disengage the insertion rod 24 from the insertion hole 17. Then push the baffle 23 upward to move the sliding bearing 13 in the cavity 8 until the insertion rod 24 moves to the outside of the other insertion hole 17. At this time, the insertion rod 24 is not subject to external force and is reinserted into the insertion hole 17 under the action of the spring 20. Then, perform the same operation on the other end of the bucket scraper 3 to separate it from the connecting block 22 at the other end. Then pull the bucket scraper 3 outward to separate it from the positioning post 18, and the disassembly is completed.

[0027] An outer mounting plate 15 is also fixedly connected to one side of the cavity 8. The outer mounting plate 15 is used to seal the cavity 8 to prevent materials from entering and reduce the failure rate.

[0028] The length of the baffle 23 is greater than the sum of the lengths of the two cavities 8 and the positioning plate 16. The baffle 23 can effectively shield and seal the cavities 8 and the positioning plate 16 simultaneously during the operation of the device, preventing material from adhering and entering, and effectively reducing the failure rate of the device during operation.

[0029] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

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