Sludge cleaning device for water environment treatment

By introducing an anti-detachment mechanism into the dredging grab bucket, the problem of grab bucket opening caused by loosening of the cable was solved, ensuring reliable operation of the grab bucket and improving dredging efficiency.

CN224078281UActive Publication Date: 2026-04-03SHANDONG SURVEY & DESIGN INST OF WATER CONSERVANCY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-07
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

During prolonged use, the existing dredging grab buckets are prone to loosening of the drive mechanism cables, causing the grab bucket to open and sludge to fall out, requiring manual cleaning.

Method used

A sludge removal device for water environment treatment was designed, which adopts an anti-detachment mechanism, including components such as a sliding block, a moving plate, a pulley, a winding reel, and a micro forward and reverse motor. The cable is wound and extended by the forward and reverse shaft motor. Combined with the slot and plate structure of the anti-detachment mechanism, it ensures that the grab bucket does not loosen during opening and closing.

Benefits of technology

This effectively avoids the problem of the grab bucket opening automatically due to loose cables, improves dredging efficiency, and reduces the need for manual cleaning.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a silt cleaning device for water environment treatment, which relates to the field of desilting grab buckets and comprises a fixing table with lifting rings welded at four corners, the lifting rings are connected with a crane steel rope, a square hole is formed in the center of the fixing table, and a sliding rod is connected to the inner wall of the square hole in an up-down sliding mode. A connecting plate is fixedly installed at the bottom end of the sliding rod, grab buckets are rotatably installed at the two ends of the connecting plate, the ends, away from each other, of the two grab buckets are connected with the bottom end of the fixing table through a connecting rod, and the top end of the connecting rod is movably connected with the bottom end of the fixing table; the bottom end of the connecting rod is rotationally connected with the grab bucket, a sliding block is fixedly installed at the position, located at the bottom end of the fixing table, of the outer wall of the sliding rod, and a driving mechanism connected with the sliding block is installed at the top end of the fixing table. According to the utility model, the anti-falling mechanism is arranged, so that the problem that the grab bucket is automatically opened due to the looseness of the inhaul cable can be avoided.
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Description

Technical Field

[0001] This utility model relates to the field of dredging grab buckets, specifically a sludge removal device for water environment management. Background Technology

[0002] There are various types of dredging devices, one of which is a dredging grab bucket, which is usually connected to a crane. The two parts of the grab bucket can be opened by rotating in opposite directions or closed by rotating in opposite directions to grab the silt.

[0003] During the use of existing dredging grab buckets, the cable of the drive mechanism is prone to loosening and lowering of the limit switch over a long period of time. When this happens, the grab bucket will open (the opening angle depends on the length of the loose cable), and the sludge inside the grab bucket will fall onto the transfer path, requiring manual additional flushing. Utility Model Content

[0004] The purpose of this utility model is to provide a sludge removal device for water environment treatment in order to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a sludge removal device for water environment treatment, comprising a fixed platform with lifting rings welded at its four corners, the lifting rings being connected to a crane cable, a square hole being opened at the center of the fixed platform, a sliding rod being slidably connected to the inner wall of the square hole, a connecting plate being fixedly installed at the bottom end of the sliding rod, grab buckets being rotatably installed at both ends of the connecting plate, the ends of the two grab buckets being connected to the bottom end of the fixed platform via a connecting rod, the top end of the connecting rod being movably connected to the bottom end of the fixed platform, and the bottom end of the connecting rod being rotatably connected to the grab buckets, a sliding block being fixedly installed on the outer wall of the sliding rod at the bottom end of the fixed platform, a driving mechanism connected to the sliding block being installed at the top end of the fixed platform, and anti-detachment mechanisms being provided on both sides of the sliding block and inside the fixed platform.

[0006] As a further embodiment of this utility model: the driving mechanism includes a forward and reverse rotating shaft motor fixedly mounted on the top of the fixed platform via a bracket, a large pulley fixedly mounted on the output end of the forward and reverse rotating shaft motor, a small pulley being connected to the large pulley via a transmission belt, a rotating shaft being interference-fitted at the center of the small pulley, and a support rod rotatably connected to the rotating shaft being mounted on the top of the fixed platform.

[0007] As a further embodiment of this utility model: the driving mechanism further includes pulleys rotatably mounted on both sides of the sliding block and a winding reel coaxially connected to both ends of the rotating shaft. The outer wall of the winding reel is wound with a cable, which passes under the outer periphery of the pulley, and the other end of the cable is fixedly connected to a fixing ring, which is fixedly connected to the top of the fixed platform.

[0008] As a further embodiment of this utility model: the anti-detachment mechanism includes a movable plate fixedly installed on both sides of the sliding block and a fixed plate fixedly connected to both sides of the fixed platform. The top of the movable plate is integrally formed with an upwardly protruding connecting column. The fixed plate has a connecting column inside that is opposite to the connecting column. The connecting column has a slot near the outer periphery of the fixed platform.

[0009] As a further embodiment of this utility model: the anti-detachment mechanism also includes a sliding groove opened on the fixed platform and located on one side of the square groove. Two sliding plates are slidably connected to the inner wall of the sliding groove. A gear meshes between the toothed portions of the two sliding plates. A miniature forward and reverse motor is installed at one end of the fixed platform. The output shaft of the miniature forward and reverse motor is fixedly connected to the center of one end of the gear.

[0010] As a further embodiment of this utility model: the anti-detachment mechanism further includes a slide rod slidably connected inside the slide plate, a locking plate extending through to the outside of the fixed platform is fixedly connected to the end of the slide rod away from the slide plate, a first spring abutting between the locking plate and the slide plate, the first spring being sleeved on the outer periphery of the slide rod, the end of the slide rod away from the locking plate extending through to the outside of the vertical plate of the support rod, and an anti-detachment part integrally formed at the end of the slide rod near the slide plate, a pressure-bearing inclined surface integrally formed at the end of the locking plate located outside the fixed platform, a vertical plate fixedly installed on the inner wall of the slide groove, and a second spring fixedly connected between the vertical plate and the vertical plate of the slide plate.

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

[0012] 1. By setting up an anti-detachment mechanism, the problem of the grab bucket opening automatically due to loosening of the cable can be avoided. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the pulley installation of this utility model;

[0015] Figure 3 This is a schematic diagram of the installation of the drive mechanism of this utility model;

[0016] Figure 4 For the present utility model Figure 3 Enlarged view of a portion of point A in the middle;

[0017] Figure 5 This is a schematic diagram of the installation of the anti-detachment mechanism of this utility model;

[0018] Figure 6 For the present utility model Figure 5 Enlarged view of a portion of point A in the middle;

[0019] Figure 7 For the present utility model Figure 5 Enlarged view of section B in the middle.

[0020] In the diagram: 1. Fixed platform; 2. Sliding rod; 3. Connecting plate; 4. Grab bucket; 5. Connecting rod; 6. Sliding block; 7. Moving plate; 8. Lifting ring; 9. Pulley; 10. Forward and reverse rotating shaft motor; 11. Large pulley; 12. Transmission belt; 13. Small pulley; 14. Rotating shaft; 15. Rewinding reel; 16. Cable; 17. Fixed ring; 18. Miniature forward and reverse rotating motor; 19. Fixed plate; 20. Connecting column; 21. Slot; 22. Card plate; 23. Slide groove; 24. Support rod; 25. Pressure inclined surface; 26. Sliding rod; 27. Spring No. 1; 28. Gear; 29. ​​Gear plate; 30. Vertical plate; 31. Spring No. 2; 32. Slide plate. Detailed Implementation

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

[0022] Please see Figures 1 to 7 In this embodiment of the utility model, a sludge removal device for water environment treatment includes a fixed platform 1 with lifting rings 8 welded at its four corners. The lifting rings 8 are connected to a crane cable. A square hole is opened at the center of the fixed platform 1. A sliding rod 2 is slidably connected to the inner wall of the square hole. A connecting plate 3 is fixedly installed at the bottom end of the sliding rod 2. Grab buckets 4 are rotatably installed at both ends of the connecting plate 3. The ends of the two grab buckets 4 that are far apart from each other are connected to the bottom end of the fixed platform 1 through a connecting rod 5. The top end of the connecting rod 5 is movably connected to the bottom end of the fixed platform 1, and the bottom end of the connecting rod 5 is rotatably connected to the grab buckets 4. A sliding block 6 is fixedly installed on the outer wall of the sliding rod 2 at the bottom end of the fixed platform 1. A driving mechanism connected to the sliding block 6 is installed at the top end of the fixed platform 1. Anti-detachment mechanisms are provided on both sides of the sliding block 6 and inside the fixed platform 1.

[0023] In this embodiment: the device is suspended above the silt to be dredged by a crane. After the grab bucket 4 moves above the silt to be dredged, the anti-detachment mechanism is closed and the limit is removed. Then, the drive mechanism is started. During the process of driving the grab bucket 4 to open, the anti-detachment mechanism is reset under the reset force. The drive mechanism unwinds the cable 16. At this time, the length of the unwound cable 16 increases. Therefore, the sliding rod 2, the connecting plate 3, and the sliding block 6 fall downward under gravity. At this time, the end of the grab bucket 4 that is rotatably connected to the connecting plate 3 moves downward. At this time, under the limit of the connecting rod 5, the grab bucket 4 rotates open. At this time, the crane moves downward to grab the silt. Then, the drive mechanism is started in reverse. The drive mechanism drives the two grab buckets 4 to close, so as to achieve the purpose of grabbing the silt by the grab bucket 4.

[0024] During the closing process of grab bucket 4, sliding block 6 returns to its original position, realizing the anti-detachment connection of the anti-detachment mechanism, and avoiding the problem of grab bucket 4 opening due to the loosening of cable 16 during the transfer process after grabbing silt.

[0025] Please refer to this carefully. Figure 1 and Figure 3 The drive mechanism includes a forward and reverse rotating shaft motor 10 fixedly mounted on the top of the fixed platform 1 via a bracket. A large pulley 11 is fixedly mounted on the output end of the forward and reverse rotating shaft motor 10. A small pulley 13 is connected to the large pulley 11 via a transmission belt 12. A rotating shaft 14 is interference-fitted at the center of the small pulley 13. A support rod 24 rotatably connected to the rotating shaft 14 is mounted on the top of the fixed platform 1. The drive mechanism also includes pulleys 9 rotatably mounted on both sides of the sliding block 6 and a winding reel 15 coaxially connected to both ends of the rotating shaft 14. A cable 16 is wound around the outer wall of the winding reel 15. The cable 16 passes under the outer periphery of the pulley 9, and a fixing ring 17 is fixedly connected to the other end of the cable 16. The fixing ring 17 is fixedly connected to the top of the fixed platform 1.

[0026] In this embodiment: by starting the forward and reverse rotating shaft motor 10, the forward and reverse rotating shaft motor 10 drives the large pulley 11 to rotate. The large pulley 11 drives the small pulley 13 to rotate through the transmission belt 12. The small pulley 13 drives the two take-up reels 15 to rotate synchronously through the rotating shaft 14, so that the take-up reels 15 can take up or unwind. Unwinding can unwind the cable 16, so that the sliding rod 2 moves downward and the grab bucket 4 is opened. Rewinding can rewind the cable 16, so that the sliding rod 2 moves upward and the grab bucket 4 is closed.

[0027] Please refer to this carefully. Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7The anti-detachment mechanism includes movable plates 7 fixedly installed on both sides of the sliding block 6 and fixed plates 19 fixedly connected to both sides of the fixed platform 1. The top of the movable plate 7 is integrally formed with an upwardly protruding connecting post 20. The fixed plate 19 has a connecting post 20 that is opposite to the connecting post 20. The connecting post 20 has a slot 21 near the outer periphery of the fixed platform 1. The anti-detachment mechanism also includes a slide groove 23 opened inside the fixed platform 1 and located on one side of the square groove. Two slide plates 32 are slidably connected to the inner wall of the slide groove 23. Gears 28 mesh between the toothed portions 29 of the two slide plates 32. A miniature forward and reverse motor 18 is installed at one end of the fixed platform 1. The output shaft of the miniature forward and reverse motor 18 is connected to one side of the gear 28. The anti-detachment mechanism is fixedly connected at the center of the end and also includes a slide rod 26 slidably connected inside the slide plate 32. The end of the slide rod 26 away from the slide plate 32 is fixedly connected to a retaining plate 22 that extends to the outside of the fixed platform 1. A first spring 27 abuts between the retaining plate 22 and the slide plate 32. The first spring 27 is sleeved on the outer periphery of the slide rod 26. The end of the slide rod 26 away from the retaining plate 22 extends to the outside of the vertical plate of the support rod 24. The end of the slide rod 26 near the slide plate 32 is integrally formed with an anti-detachment part. The end of the retaining plate 22 located outside the fixed platform 1 is integrally formed with a pressure-bearing inclined surface 25. A vertical plate 30 is fixedly installed on the inner wall of the slide groove 23. A second spring 31 is fixedly connected between the vertical plate 30 and the vertical plate of the slide plate 32.

[0028] In this embodiment: Before the two grabs 4 are opened, the micro reversible motor 18 (non-shaft type) is started to rotate. The micro reversible motor 18 drives the gear 28 to rotate. The rotating gear 28 drives the two slide plates 32 to move synchronously and in opposite directions through the toothed plate 29. At this time, the slide plate 32 pulls the card plate 22 to move through the slide rod 26. During the movement of the card plate 22, it separates from the card slot 21. At the same time, the second spring 31 is compressed. At this time, the drive mechanism can be started. When the sliding rod 2 drives the sliding block 6 to descend synchronously, the moving plate 7 moves synchronously. The moving plate 7 can drive the connecting column 20 to move downward. At this time, the card slot 21 and the card plate 22 are misaligned. At this time, the micro reversible motor 18 is turned off, and the second spring 31 is reset, which can push the slide plate 32 to reset.

[0029] During the closing process of the grab bucket 4, the sliding rod 2 and the sliding block 6 are reset upwards. The sliding block 6 drives the moving plate 7 to reset. The moving plate 7 is pressed against the pressure inclined surface 25 of the clamping plate 22. At this time, the clamping plate 22 moves and drives the sliding rod 26 and the sliding plate 32 to move relative to each other. At this time, the first spring 27 is compressed until the clamping plate 22 is aligned with the clamping groove 21. Then, the first spring 27 pushes the clamping plate 22 to reset and lock into the clamping groove 21, completing the anti-disengagement operation.

[0030] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A device for cleaning sludge in water environment management, comprising a fixed platform (1) with a lifting ring (8) welded at the four corners, characterized in that, The lifting ring (8) is connected with the crane cable, a square hole is arranged at the center of the fixed table (1), a sliding rod (2) is slidably connected to the inner wall of the square hole, a connecting plate (3) is fixedly installed at the bottom end of the sliding rod (2), grab buckets (4) are rotatably installed at both ends of the connecting plate (3), the ends of the two grab buckets (4) away from each other are connected by a connecting rod (5), the top end of the connecting rod (5) is movably connected with the bottom end of the fixed table (1), the bottom end of the connecting rod (5) is rotatably connected with the grab bucket (4), a sliding block (6) is fixedly installed on the outer wall of the sliding rod (2) at the bottom end of the fixed table (1), a driving mechanism connected with the sliding block (6) is installed at the top end of the fixed table (1), and anti-disengagement mechanisms are arranged on both sides of the sliding block (6) and inside the fixed table (1).

2. The water environment treatment sludge cleaning device according to claim 1, characterized in that, The driving mechanism comprises a forward and reverse clamping shaft motor (10) fixedly installed at the top end of the fixed table (1) through a support, a large belt pulley (11) is fixedly installed at the output end of the forward and reverse clamping shaft motor (10), the large belt pulley (11) is drivingly connected with a small belt pulley (13) through a transmission belt (12), a rotating shaft (14) is interference-fitted at the center of the small belt pulley (13), and a support rod (24) rotatably connected with the rotating shaft (14) is installed at the top end of the fixed table (1).

3. The water environment treatment sludge cleaning device according to claim 2, characterized in that, The driving mechanism further comprises a pulley (9) rotatably installed on both sides of the sliding block (6) and a winding disc (15) coaxially connected to both ends of the rotating shaft (14), a cable (16) is wound on the outer wall of the winding disc (15), the cable (16) passes from the outer periphery of the pulley (9), and the other end of the cable (16) is fixedly connected with a fixed ring (17) fixedly connected to the top of the fixed table (1).

4. The water environment treatment sludge cleaning device according to claim 3, characterized in that, The anti-disengagement mechanism comprises a moving plate (7) fixedly installed on both sides of the sliding block (6) and a fixed plate (19) fixedly connected to both sides of the fixed table (1), the top end of the moving plate (7) is integrally formed with a connecting column (20) protruding upward, the inside of the fixed plate (19) is provided with a connecting column (20) matched with the connecting column (20), and a clamping groove (21) is formed in the outer periphery of the connecting column (20) close to the fixed table (1).

5. The water environment treatment sludge cleaning device according to claim 4, characterized in that, The anti-disengagement mechanism further comprises a sliding groove (23) formed in the fixed table (1) and located on one side of the square groove, two sliding plates (32) are slidably connected to the inner wall of the sliding groove (23), a gear (28) is engaged between the toothed plate portions (29) of the two sliding plates (32), a miniature forward and reverse motor (18) is installed at one end of the fixed table (1), and the output shaft of the miniature forward and reverse motor (18) is fixedly connected with the center of one end of the gear (28).

6. The water environment treatment sludge cleaning device according to claim 5, characterized in that, The anti-off mechanism further comprises a sliding rod (26) slidingly connected to the inside of the sliding plate (32), one end of the sliding rod (26) away from the sliding plate (32) is fixedly connected with a clamping plate (22) penetrating to the outside of the fixed table (1), the clamping plate (22) and the sliding plate (32) abut against a first spring (27), the first spring (27) is sleeved on the outer periphery of the sliding rod (26), one end of the sliding rod (26) away from the clamping plate (22) penetrates to the outside of the vertical plate part of the supporting rod (24), and the end of the sliding rod (26) close to the sliding plate (32) is integrally formed with an anti-off part, and one end of the clamping plate (22) located outside the fixed table (1) is integrally formed with a pressure receiving inclined surface (25).

7. The water environment treatment sludge cleaning device according to claim 6, characterized in that, The inner wall of the sliding groove (23) is fixedly installed with a vertical plate (30), and the vertical plate (30) and the vertical plate part of the sliding plate (32) are fixedly connected with a second spring (31).