Cement silo cleaning device

Abstract

The application discloses a cement silo cleaning device in the technical field of cement production, which comprises a top plate, an installation plate arranged below the top plate, a scraper installed on the installation plate, a first driving mechanism arranged on the installation plate and used for driving the scraper to move, and a second driving mechanism arranged on the top plate and used for driving the installation plate to move in the vertical direction; and the cement silo cleaning efficiency can be greatly improved.

Description

Technical Field

[0001] This invention relates to the field of cement production technology, specifically to a cement silo cleaning device. Background Technology

[0002] Due to seasonal changes and humidity, cement materials in cement silos are prone to clumping. With prolonged use, the thickness of the clumps on the silo walls will gradually increase. If not cleaned in time, the hardened clumps will greatly reduce the storage space of the cement silo, and in severe cases, they will block the discharge port, preventing the cement materials in the silo from being discharged.

[0003] Existing methods for cleaning cement silos are divided into manual cleaning and mechanical cleaning. Manual cleaning is inefficient, and falling debris can easily injure workers, leading to safety accidents. Mechanical cleaning often uses large equipment such as excavators to remove debris from the silo walls. In some large cement silos, the silo is quite high, and the visibility of large equipment such as excavators is obstructed when cleaning near the top of the silo, making it difficult and requiring manual assistance, which still poses a significant risk.

[0004] Based on this, the present invention designs a cement silo cleaning device to solve the above problems. Summary of the Invention

[0005] The purpose of this invention is to provide a cement silo cleaning device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cement silo cleaning device, comprising a top plate, an mounting plate disposed below the top plate, a scraper mounted on the mounting plate, a first driving mechanism for driving the scraper to move on the mounting plate, and a second driving mechanism for driving the mounting plate to move vertically on the top plate.

[0007] As a further embodiment of the present invention, the first driving mechanism includes a spiral groove, which is formed on the mounting plate. A guide post is slidably connected in the spiral groove. The guide post is fixedly connected to the scraper. A telescopic rod is fixedly connected to the top of the guide post. A first gear is fixedly connected to the end of the telescopic rod away from the guide post. The first gear is concentrically arranged with the mounting plate and rotatably connected to the mounting plate. The first gear meshes with a second gear. A first motor for driving the rotation of the second gear is provided on its side.

[0008] As a further embodiment of the present invention, the second driving mechanism includes a third gear, which is rotatably mounted in the middle of the top plate; a second motor for driving the rotation of the third gear is provided on the side of the third gear; the third gear meshes with a plurality of fourth gears, and a first sprocket is rotatably connected to the rotating shaft of each of the fourth gears; each of the first sprockets is connected to a second sprocket via a chain drive; a first bevel gear is fixedly connected to the rotating shaft of each of the second sprockets; each of the first bevel gears meshes with a second bevel gear; a take-up roller is fixedly connected to the rotating shaft of each of the second bevel gears; a steel rope is wound around the surface of each take-up roller; the end of the steel rope away from the take-up roller passes through the top plate and is fixedly connected to the top of the mounting plate.

[0009] As a further embodiment of the present invention, the two ends of the spiral groove are connected by a guide groove, and a guide plate is rotatably connected to the mounting plate, the guide plate being located on the side of the guide groove.

[0010] As a further embodiment of the present invention, a return spring is provided inside the telescopic rod.

[0011] As a further embodiment of the present invention, a plurality of clamping plates are rotatably connected to the outer side wall of the mounting plate. Each clamping plate has a limiting gear fixedly connected to its rotating shaft. Each limiting gear meshes with a limiting rack rod. Each limiting rack rod is elastically slidably connected to the mounting plate. A pull rope for driving its movement is provided on the side of the limiting rack rod. The pull rope is located inside the mounting plate and is elastic. One end of the pull rope is fixedly connected to the mounting plate, and the other end is fixedly connected to a sliding plate. The sliding plate is L-shaped and slidably mounted on the top of the mounting plate.

[0012] As a further embodiment of the present invention, a roller is rotatably connected to the end of the card plate away from the mounting plate.

[0013] As a further embodiment of the present invention, a positioning plate is fixedly connected to the bottom of the top plate.

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

[0015] 1. This invention, through the arrangement of the mounting plate, scraper, and spiral groove, allows the scraper to move in a spiral trajectory during operation. This spiral trajectory helps to scrape off hardened blocks from the cement silo wall, ensuring smoother operation. Furthermore, the scraper stops working when the guide post reaches the outer end of the spiral groove, preventing excessive extension and damage to the cement silo wall. The second drive mechanism allows the scraper to remove hardened blocks from the cement silo wall sequentially from top to bottom, resulting in a more thorough cleaning. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a front view schematic diagram of the overall structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the mounting plate, spiral groove, and first drive mechanism of the present invention.

[0019] Figure 4 This is a schematic diagram of the mounting plate, guide groove, and clamping plate structure of the present invention;

[0020] Figure 5 This is a cross-sectional schematic diagram of the telescopic rod structure of the present invention;

[0021] Figure 6 This is a schematic diagram of the limiting gear, limiting rack and pinion, and pull rope structure of the present invention.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] Top plate 1, mounting plate 2, scraper 3, spiral groove 4, guide column 5, telescopic rod 6, first gear 7, second gear 8, third gear 9, fourth gear 10, first sprocket 11, chain 12, second sprocket 13, first bevel gear 14, second bevel gear 15, winding roller 16, steel rope 17, guide groove 18, guide plate 19, return spring 20, clamping plate 21, limit gear 22, limit rack rod 23, pull rope 24, sliding plate 25, roller 26, positioning plate 27. Detailed Implementation

[0024] Please see Figure 1-6 The present invention provides a technical solution: a cement silo cleaning device, including a top plate 1, an mounting plate 2 below the top plate 1, a scraper 3 mounted on the mounting plate 2, a first driving mechanism for driving the scraper 3 to move on the mounting plate 2, and a second driving mechanism for driving the mounting plate 2 to move in the vertical direction on the top plate 1.

[0025] The first driving mechanism includes a spiral groove 4, which is formed on the mounting plate 2. A guide post 5 is slidably connected in the spiral groove 4. The guide post 5 is fixedly connected to the scraper 3. A telescopic rod 6 is fixedly connected to the top of the guide post 5. A first gear 7 is fixedly connected to the end of the telescopic rod 6 away from the guide post 5. The first gear 7 is concentrically arranged with the mounting plate 2 and rotatably connected to the mounting plate 2. The first gear 7 meshes with a second gear 8. A first motor for driving the rotation of the second gear 8 is arranged on its side.

[0026] The second drive mechanism includes a third gear 9, which is rotatably mounted in the middle of the top plate 1. A second motor for driving the rotation of the third gear 9 is provided on the side of the third gear 9. The third gear 9 meshes with a plurality of fourth gears 10. A first sprocket 11 is rotatably connected to the rotating shaft of each of the fourth gears 10. A second sprocket 13 is connected to the first sprocket 11 via a chain 12. A first bevel gear 14 is fixedly connected to the rotating shaft of each of the second sprockets 13. The first bevel gear 14 meshes with a second bevel gear 15. A take-up roller 16 is fixedly connected to the rotating shaft of each of the second bevel gear 15. A steel rope 17 is wound around the surface of each take-up roller 16. The end of the steel rope 17 away from the take-up roller 16 passes through the top plate 1 and is fixedly connected to the top of the mounting plate 2.

[0027] At work, such as Figures 1-4 As shown, the silo cleaning device is lifted and placed on top of the cement silo using a crane or other equipment; the bottom of the top plate 1 is supported by the silo roof, and the mounting plate 2 is located on the inner side above the cement silo; starting the first motor drives the second gear 8 to rotate, and the second gear 8 will drive the first gear 7 to rotate synchronously; as shown... Figure 3 As shown, the first gear 7 drives one end of the telescopic rod 6 to rotate synchronously. The telescopic rod 6 drives the guide column 5 to rotate within the spiral groove 4. The guide column 5 drives the scraper 3 to move synchronously. The scraper 3 moves in a spiral trajectory. When the scraper 3 moves, it can scrape off the hard blocks on the cement silo wall. The spiral trajectory ensures that the scraper 3 works more smoothly. When the guide column 5 moves to the outer end of the spiral groove 4, it stops working, which ensures that the scraper 3 will not damage the cement silo wall due to excessive extension. After the scraper 3 completes one scraping operation, the second motor starts. The second motor drives the third gear 9 to rotate. The third gear 9 drives multiple fourth gears 10 to rotate synchronously. The fourth gears 10 drive the first sprocket 11 to rotate synchronously. A sprocket 11 drives a second sprocket 13 to rotate synchronously via a chain 12. The second sprocket 13 drives a first bevel gear 14 to rotate synchronously, which in turn drives a second bevel gear 15 to rotate synchronously. The second bevel gear 15 then drives a winding roller 16 to rotate and release the steel rope 17. The mounting plate 2 then moves the scraper 3 downward a short distance under its own weight. It should be noted that the height the mounting plate 2 moves downward each time is the height the scraper 3 scrapes off each time. After the mounting plate 2 moves the scraper 3 to the next cleaning position, the first drive mechanism drives the scraper 3 to repeat the above cleaning work. After the cleaning is completed, the second drive mechanism drives the mounting plate 2 to move downward again, and so on, until the hard blocks on the cement silo wall are completely removed.

[0028] As a further embodiment of the present invention, the two ends of the spiral groove 4 are connected by the guide groove 18, and the mounting plate 2 is rotatably connected to the guide plate 19, which is located on the side of the guide groove 18.

[0029] At work, such as Figure 4 As shown, when the guide post 5 moves clockwise to the outer end point within the spiral groove 4, it can quickly move back to the inner end point along the guide groove 18 without having to return along the same path, greatly improving cleaning efficiency. When the guide post 5 moves clockwise to the side of the guide groove 18 within the spiral groove 4, it will contact the guide plate 19. The guide post 5 continues to move back, driving the guide plate 19 to rotate towards the side of the guide groove 18. The guide plate 19 can guide the guide post 5 during the cleaning operation of the scraper 3. When the scraper 3 is working, the guide post 5 can move along the spiral groove 4. After the guide post 5 passes through the guide groove 18, the guide plate 19 will return to the inner end point under the action of the torsion spring. Figure 4 The state shown will not affect the subsequent movement of the guide post 5 within the guide groove 18.

[0030] As a further embodiment of the present invention, a return spring 20 is provided inside the telescopic rod 6.

[0031] At work, such as Figure 5 As shown, when the guide post 5 moves clockwise within the spiral groove 4, the telescopic rod 6 gradually extends and stretches the return spring. After the guide post 5 drives the scraper 3 to the outer end of the spiral groove 4 to complete the cleaning work, the return spring 20 will drive the guide post 5 and the scraper 3 to quickly return to the outer end of the spiral groove 4. This ensures that the scraper 3 is always at the inner end of the spiral groove 4 when the mounting plate 2 moves downwards. This better avoids the scraper 3 from making hard contact with the hard block located below it in the vertical direction, which can greatly improve the service life of the scraper 3.

[0032] As a further embodiment of the present invention, a plurality of clamping plates 21 are rotatably connected to the outer side wall of the mounting plate 2. Each clamping plate 21 has a limiting gear 22 fixedly connected to its rotating shaft. Each limiting gear 22 meshes with a limiting rack 23. Each limiting rack 23 is elastically slidably connected to the mounting plate 2. A pull rope 24 for driving the movement of the limiting rack 23 is provided on its side. The pull rope 24 is located inside the mounting plate 2 and is elastic. One end of the pull rope 24 is fixedly connected to the mounting plate 2, and the other end is fixedly connected to a sliding plate 25. The sliding plate 25 is L-shaped and slidably mounted on the top of the mounting plate 2.

[0033] At work, such as Figures 1-4 and Figure 6 As shown, in the initial state, the clamping plate 21 is in a horizontal position. When the scraper 3 needs to scrape off the hard block at the top of the cement silo, the clamping plate 21 can... Figure 1 As shown, the plate 21 is placed on top of the cement silo, and it supports the mounting plate 2, making the scraper 3 more stable during operation; as Figure 3As shown, when the guide post 5 moves to the outer end of the spiral groove 4, the inner vertical sidewall of the slide plate 25 is located inside the guide post 5. When the guide post 5 moves inward under the action of the return spring 20, it will drive the slide plate 25 to move synchronously. At this time, the slide plate 25 will drive one end of the pull rope 24 to move synchronously, and the pull rope 24 will be pulled taut. Figure 6 As shown, when the pull rope 24 is taut, it will drive the limiting rack rod 23 to move away from the limiting gear 22. At this time, the limiting rack rod 23 no longer limits the limiting gear 22. Then, the second drive mechanism can drive the mounting plate 2 to move downward. At this time, the clamping plate 21 can rotate along the cement silo wall. When the mounting plate 2 moves to the next cleaning position, the clamping plate 21 rotates until its top contacts the cement silo wall. After the guide column 5 moves along the spiral groove 4 again, the sliding plate 25 will return to the starting position under the action of the spring and the release of the pull rope itself. Figure 3 At the position shown, the limiting rack 23 again limits the limiting gear 22, and the clamping plate 21 cannot rotate. The top of the clamping plate 21 remains in contact with the cement silo wall. The clamping plate 21 can fill the gap between the mounting plate 2 and the cement silo wall, ensuring that the mounting plate 2 will not shake when the scraper 3 is working, allowing the scraper 3 to work more stably. After the scraper 3 completes a cleaning operation, the guide column 5 can drive the limiting rack 23 to release the limiting gear 22. During the downward movement of the mounting plate 2, the clamping plate 21 can rotate freely and can always be in contact with the cement silo wall (even if the cement silo wall is not cylindrical). After the mounting plate 2 moves the clamping plate 21 to the next cleaning position, the clamping plate 21 is limited again, ensuring that the mounting plate 2 will not shake when the scraper 3 is working.

[0034] As a further embodiment of the present invention, a roller 26 is rotatably connected to the end of the card plate 21 away from the mounting plate 2.

[0035] At work, such as Figure 6 As shown, the rollers 26 allow the pallet 21 to move more smoothly within the cement silo.

[0036] As a further embodiment of the present invention, a positioning plate 27 is fixedly connected to the bottom of the top plate 1.

[0037] At work, such as Figure 1 As shown, the positioning plate 27 allows the top plate 1 to be placed more smoothly on the top of the cement silo when work begins.

Claims

1. A cement silo cleaning device, comprising a top plate (1), characterized in that: A mounting plate (2) is provided below the top plate (1), and a scraper (3) is mounted on the mounting plate (2). A first driving mechanism for driving the scraper (3) to move is provided on the mounting plate (2), and a second driving mechanism for driving the mounting plate (2) to move in the vertical direction is provided on the top plate (1). The first driving mechanism includes a spiral groove (4), which is formed on the mounting plate (2). A guide post (5) is slidably connected inside the spiral groove (4). The guide post (5) is fixedly connected to the scraper (3). A telescopic rod (6) is fixedly connected to the top of the guide post (5). A first gear (7) is fixedly connected to the end of the telescopic rod (6) away from the guide post (5). The first gear (7) is concentrically arranged with the mounting plate (2) and rotatably connected to the mounting plate (2). The first gear (7) meshes with a second gear (8). A first motor for driving the rotation of the second gear (8) is provided on the side. The two ends of the spiral groove (4) are connected by the guide groove (18), and the mounting plate (2) is rotatably connected to the guide plate (19), which is located on the side of the guide groove (18). The telescopic rod (6) is equipped with a return spring (20). Multiple clamping plates (21) are rotatably connected to the outer wall of the mounting plate (2). Each clamping plate (21) has a fixedly connected limit gear (22) on its rotating shaft. Each limit gear (22) meshes with a limit rack (23). Each limit rack (23) is elastically slidably connected to the mounting plate (2). Each limit rack (23) has a pull rope (24) on its side for driving its movement. The pull rope (24) is located inside the mounting plate (2) and is elastic. One end of the pull rope (24) is fixedly connected to the mounting plate (2), and the other end is fixedly connected to a sliding plate (25). The sliding plate (25) is L-shaped and slidably installed on the top of the mounting plate (2). When the guide post (5) moves to the outer end of the spiral groove (4), the inner vertical side wall of the slide plate (25) is located inside the guide post (5). When the guide post (5) moves inward under the action of the return spring (20), it will drive the slide plate (25) to move synchronously.

2. The cement silo cleaning device according to claim 1, characterized in that: The second drive mechanism includes a third gear (9), which is rotatably mounted in the middle of the top plate (1); a second motor for driving the rotation of the third gear (9) is provided on the side of the third gear (9); the third gear (9) meshes with a plurality of fourth gears (10), and a first sprocket (11) is rotatably connected to the rotating shaft of each of the fourth gears (10). The first sprockets (11) are all connected to a second sprocket (13) via a chain (12). A first bevel gear (14) is fixedly connected to the rotating shaft of each of the second sprockets (13). The first bevel gears (14) are all meshed with a second bevel gear (15). A take-up roller (16) is fixedly connected to the rotating shaft of each of the second bevel gears (15). A steel rope (17) is wound around the surface of each take-up roller (16). The end of the steel rope (17) away from the take-up roller (16) passes through the top plate (1) and is fixedly connected to the top of the mounting plate (2).

3. The cement silo cleaning device according to claim 1, characterized in that: The end of the card plate (21) away from the mounting plate (2) is rotatably connected to a roller (26).

4. A cement silo cleaning device according to claim 1, characterized in that: The bottom of the top plate (1) is fixedly connected to a positioning plate (27).

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