Dredging device for pipe robot
By introducing a mixing chamber and a separation chamber structure into the pipeline robot dredging device, the problem of blockage caused by stones in the sludge was solved, and efficient separation and safe transportation of sludge and stones were achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG QINGHE CONSTR CO LTD
- Filing Date
- 2025-07-07
- Publication Date
- 2026-08-04
AI Technical Summary
Existing pipeline dredging robots are prone to clogging of the suction pipe when removing silt due to the presence of large stones or dry silt, which affects dredging efficiency and safety.
A dredging device for a pipeline robot was designed, comprising a mixing chamber, a mixing rod, a separation chamber, and a baffle structure. The mixing chamber dilutes the sludge, and the baffle and an electric telescopic rod separate the sludge from the stones, which are then discharged through different channels.
It effectively prevents blockages during sludge transportation, separates sludge from stones, and improves dredging efficiency and safety.
Smart Images

Figure CN224591563U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dredging technology, specifically a dredging device for a pipeline robot. Background Technology
[0002] Urban stormwater, water supply, and sewage drainage pipes, as major municipal facilities, easily accumulate silt, sand, and other debris after prolonged operation, significantly impacting water flow. Therefore, regular dredging is necessary. According to a pipe dredging robot with application number CN215829616U, it uses a front-mounted suction head to agitate the silt inside the pipe, loosening it before sucking it in through a suction pipe. This achieves automatic silt removal, improving efficiency, reducing manual labor, and eliminating safety risks for workers operating inside pipes. However, the suction pipe discharges silt from the suction port, but the presence of large stones or dry silt can cause blockages and hinder drainage. Utility Model Content
[0003] To address the shortcomings of existing technologies, this utility model provides a dredging device for pipeline robots, which solves the problems mentioned in the background section.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a dredging device for a pipeline robot, comprising a walking chassis, a mounting base fixedly connected to the top of the walking chassis, a working box fixedly connected to the top of the mounting base, first hydraulic rods fixedly connected to the top of the mounting base and on both sides of the working box, second hydraulic rods fixedly connected to the telescopic ends of the first hydraulic rods, a fixing frame fixedly connected to the telescopic ends of the two second hydraulic rods, a pump fixedly connected to the bottom of the fixing frame, a crushing conveyor fixedly connected to one end of the fixing frame and on one side of the pump, the sludge suction end of the pump extending into the inside of the crushing conveyor, and an elastic tube fixedly connected to the sludge discharge end of the pump, a stirring chamber opened inside the working box, a first servo motor fixedly connected to the top of the working box, the output end of the first servo motor extending into the stirring chamber and fixedly connected to a stirring rod, one end of the elastic tube extending into the stirring chamber, and a water hose fixedly connected to the top of the working box, one end of the water hose extending into the stirring chamber.
[0005] Preferably, a separation chamber is provided inside the working box and on one side of the stirring chamber. A second servo motor is fixedly connected to the top of the working box. The output end of the second servo motor extends into the separation chamber and is fixedly connected to a fixed plate. A rotating shaft is fixedly connected to the bottom of the fixed plate. Several partitions are fixedly connected to the outside of the rotating shaft. Two electric telescopic rods are fixedly connected to the top of the fixed plate and on one side of the partitions. A pressure block is placed inside the fixed plate and between the two partitions. The telescopic ends of the electric telescopic rods extend to the bottom of the fixed plate and are fixedly connected to the bottom of the pressure block.
[0006] Preferably, a separation plate is fixedly connected to the inner cavity of the separation chamber, and a plurality of separation holes are provided at the bottom of the separation plate, and a bottom groove is provided at the bottom of the separation plate and on the side of the separation holes.
[0007] Preferably, a connecting valve is provided inside the working chamber and between the stirring chamber and the separation chamber, and the inside of the stirring chamber is connected to the inside of the separation chamber through the connecting valve.
[0008] Preferably, a discharge chamber is provided inside the working box and below the separation hole, and a sludge discharge hose is fixedly connected to one side of the working box, with one end of the sludge discharge hose extending into the discharge chamber.
[0009] Preferably, a collection trough is provided inside the working box and below the bottom groove, a discharge pipe is fixedly connected to one side of the working box, a collection box is fixedly connected to one side of the mounting base, and one end of the discharge pipe extends into the collection box.
[0010] This utility model provides a dredging device for a pipeline robot, which has the following beneficial effects:
[0011] 1. The pipeline robot uses a sludge removal device, which is equipped with a stirring chamber, stirring rod and separation hole to dilute the sludge so that it can be extracted and transported. It can also remove larger impurities such as stones from the sludge and prevent the sludge discharge hose from getting clogged during sludge transport.
[0012] 2. This pipeline robot uses a sludge removal device, which consists of a working box, a separation plate, and a bottom trough. By opening the connecting valve, the sludge inside the mixing chamber is discharged into the partition plate. Then, the output end of the second servo motor drives the fixed plate, the rotating shaft, and the partition plate to move. This causes the two partition plates to move the sludge between them in a circular motion inside the separation chamber. The thin mud in the sludge falls into the discharge chamber through the separation hole. At the same time, the extension end of the electric telescopic rod pushes the pressure block down, squeezing the thin mud in the sludge on the surface of the separation plate into the discharge chamber through the separation hole. When the partition plate rotates to the top of the bottom trough, the stones located between the two partition plates fall into the collection tank through the bottom trough, so as to separate the thin mud in the diluted sludge from larger impurities such as stones. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the internal structure of this utility model;
[0014] Figure 2 This is a schematic diagram of the outer structure of this utility model;
[0015] Figure 3 This is a schematic diagram of the internal structure of the working box of this utility model;
[0016] Figure 4 This is a top view of the internal structure of the separation cavity of this utility model.
[0017] In the diagram: 1. Walking chassis; 2. Mounting base; 3. First hydraulic rod; 4. Second hydraulic rod; 5. Pump; 6. Crushing conveyor; 7. Elastic tube; 8. Fixed frame; 9. Working box; 10. Mixing chamber; 11. First servo motor; 12. Mixing rod; 13. Water hose; 14. Separation chamber; 15. Second servo motor; 16. Fixed plate; 17. Electric telescopic rod; 18. Press block; 19. Rotating shaft; 20. Partition plate; 21. Separation plate; 22. Separation hole; 23. Discharge chamber; 24. Sludge discharge hose; 25. Bottom trough; 26. Collection trough; 27. Connecting valve; 28. Collection box; 30. Discharge pipe. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Example 1
[0020] Please see Figures 1 to 4This utility model provides a technical solution: a dredging device for a pipeline robot, including a walking chassis 1, a mounting base 2 fixedly connected to the top of the walking chassis 1, a work box 9 fixedly connected to the top of the mounting base 2, first hydraulic rods 3 fixedly connected to the top of the mounting base 2 and on both sides of the work box 9, second hydraulic rods 4 fixedly connected to the telescopic ends of the first hydraulic rods 3, a fixing frame 8 fixedly connected to the telescopic ends of the two second hydraulic rods 4, a pump 5 fixedly connected to the bottom end of the fixing frame 8, and one end of the fixing frame 8 located at the pump 5. A crushing conveyor 6 is fixedly connected to one side of the pump 5. The sludge suction end of the pump 5 extends into the inside of the crushing conveyor 6. An elastic tube 7 is fixedly connected to the sludge discharge end of the pump 5. A mixing chamber 10 is opened inside the working box 9. A first servo motor 11 is fixedly connected to the top of the working box 9. The output end of the first servo motor 11 extends into the mixing chamber 10 and is fixedly connected to a stirring rod 12. One end of the elastic tube 7 extends into the mixing chamber 10. A water hose 13 is fixedly connected to the top of the working box 9. One end of the water hose 13 extends into the mixing chamber 10.
[0021] A separation chamber 14 is provided inside the working box 9 and on one side of the mixing chamber 10. A second servo motor 15 is fixedly connected to the top of the working box 9. The output end of the second servo motor 15 extends into the separation chamber 14 and is fixedly connected to a fixed plate 16. A rotating shaft 19 is fixedly connected to the bottom of the fixed plate 16. Several partitions 20 are fixedly connected to the outside of the rotating shaft 19. Two electric telescopic rods 17 are fixedly connected to the top of the fixed plate 16 and on one side of the partitions 20. A pressure block 18 is placed inside the fixed plate 16 and between the two partitions 20. The telescopic ends of the electric telescopic rods 17 extend to the bottom of the fixed plate 16 and are fixedly connected to the bottom of the pressure block 18. The pressure block 18 is moved by the telescopic ends of the electric telescopic rods 17, which squeeze the thin mud in the sludge between the two separation holes 22 into the discharge chamber 23. Then it is extracted through the sludge discharge hose 24 and discharged into the external sludge collection and storage device.
[0022] A separation plate 21 is fixedly connected to the inner cavity of the separation chamber 14. Several separation holes 22 are opened at the bottom of the separation plate 21. A bottom groove 25 is opened at the bottom of the separation plate 21 and on the side of the separation holes 22. Stones in the silt fall into the collection tank 26 through the bottom groove 25.
[0023] A connecting valve 27 is provided inside the working box 9 and between the mixing chamber 10 and the separation chamber 14. The mixing chamber 10 is connected to the separation chamber 14 through the connecting valve 27. The sludge inside the mixing chamber 10 is introduced into the partition plate 20 through the connecting valve 27.
[0024] Inside the working box 9 and below the separation hole 22, there is a discharge chamber 23. A sludge discharge hose 24 is fixedly connected to one side of the working box 9. One end of the sludge discharge hose 24 extends into the discharge chamber 23. The sludge collected inside the discharge chamber 23 can be extracted through the sludge discharge hose 24.
[0025] Example 2
[0026] Please see Figure 1 and Figure 3 The present invention provides a technical solution: a collection trough 26 is provided inside the working box 9 and below the bottom groove 25. A discharge pipe 30 is fixedly connected to one side of the working box 9, and a collection box 28 is fixedly connected to one side of the mounting base 2. One end of the discharge pipe 30 extends into the collection box 28, and the stones inside the collection trough 26 are guided into the collection box 28 for collection and storage through the discharge pipe 30.
[0027] In summary, this pipeline robot uses a dredging device. During use, the device is placed in the pipeline, the water hose 13 is connected to the water supply equipment, and the sludge discharge hose 24 is connected to the sludge pump. The chassis 1 then drives the device to move. The telescopic end of the first hydraulic rod 3 pushes the second hydraulic rod 4, the fixed frame 8, the pump 5, and the crushing conveyor 6 to move. The telescopic end of the second hydraulic rod 4 then drives the fixed frame 8, the pump 5, and the crushing conveyor 6 to move, causing the servo motor on the crushing conveyor 6 to drive the screw conveyor shaft. The rotation causes the two opposing spiral blades on the screw conveyor shaft to break up the sludge inside the pipe and draw it into the suction port of the pump 5. The pump 5 then discharges the sludge through the discharge port into the elastic tube 7, and then through the elastic tube 7 into the mixing chamber 10. At the same time, water is sprayed into the mixing chamber 10 through the water hose 13. The output of the first servo motor 11 drives the stirring rod 12 to stir the sludge and water, diluting the sludge. Then, the connecting valve 27 is opened to allow the sludge in the mixing chamber 10 to be discharged. The sludge from the part is discharged into the partition 20. Then, the output end of the second servo motor 15 drives the fixed plate 16, the rotating shaft 19, and the partition 20 to move. This causes the two partitions 20 to move the sludge located between them in a circular motion within the separation chamber 14. The thin mud in the sludge falls into the discharge chamber 23 through the separation hole 22. At the same time, the telescopic end of the electric telescopic rod 17 pushes the pressure block 18 down, squeezing the thin mud in the sludge on the surface of the separation plate 21 into the discharge chamber 23 through the separation hole 22. When the partition 20 rotates to the top of the bottom trough 25, the stones located between the two partitions 20 fall into the collection trough 26 through the bottom trough 25. At the same time, the extension end of the electric telescopic rod 17 drives the pressure block 18 to move upward. The stones inside the collection trough 26 fall into the collection box 28 through the discharge pipe 30 for storage. After the device is removed from the pipe, the stones inside the collection box 28 can be removed. The sludge inside the discharge chamber 23 is pumped into the sludge storage device connected to the sludge pump through the sludge discharge hose 24.
[0028] 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 dredging device for a pipeline robot, comprising a walking chassis (1), characterized in that: The top of the walking chassis (1) is fixedly connected to a mounting base (2), and the top of the mounting base (2) is fixedly connected to a work box (9). First hydraulic rods (3) are fixedly connected to the top of the mounting base (2) and to both sides of the work box (9). Second hydraulic rods (4) are fixedly connected to the telescopic ends of the first hydraulic rods (3). Fixed frames (8) are fixedly connected to the telescopic ends of the two second hydraulic rods (4). A pump (5) is fixedly connected to the bottom of the fixed frame (8). A crushing conveyor (6) is fixedly connected to one end of the fixed frame (8) and to one side of the pump (5). The suction end of the pump (5) extends to the inside of the crushing conveyor (6). The discharge end of the pump (5) is fixedly connected to an elastic tube (7). The working box (9) has a stirring chamber (10) inside. The top of the working box (9) is fixedly connected to a first servo motor (11). The output end of the first servo motor (11) extends into the stirring chamber (10) and is fixedly connected to a stirring rod (12). One end of the elastic tube (7) extends into the stirring chamber (10). The top of the working box (9) is fixedly connected to a water hose (13). One end of the water hose (13) extends into the stirring chamber (10).
2. The dredging device for a pipeline robot according to claim 1, characterized in that: A separation chamber (14) is provided inside the working box (9) and on one side of the stirring chamber (10). A second servo motor (15) is fixedly connected to the top of the working box (9). The output end of the second servo motor (15) extends into the separation chamber (14) and is fixedly connected to a fixed plate (16). A rotating shaft (19) is fixedly connected to the bottom of the fixed plate (16). Several partitions (20) are fixedly connected to the outside of the rotating shaft (19). Two electric telescopic rods (17) are fixedly connected to the top of the fixed plate (16) and on one side of the partitions (20). A pressure block (18) is placed inside the fixed plate (16) and between the two partitions (20). The telescopic ends of the electric telescopic rods (17) extend to the bottom of the fixed plate (16) and are fixedly connected to the bottom of the pressure block (18).
3. The dredging device for a pipeline robot according to claim 2, characterized in that: The separation chamber (14) is fixedly connected to a separation plate (21). The bottom of the separation plate (21) is provided with a plurality of separation holes (22). The bottom of the separation plate (21) and the side of the separation holes (22) are provided with a bottom groove (25).
4. The dredging device for a pipeline robot according to claim 1, characterized in that: A connecting valve (27) is provided inside the working box (9) and between the stirring chamber (10) and the separation chamber (14). The stirring chamber (10) is connected to the separation chamber (14) through the connecting valve (27).
5. The dredging device for a pipeline robot according to claim 1, characterized in that: The work box (9) has a discharge chamber (23) located inside and below the separation hole (22). A sludge discharge hose (24) is fixedly connected to one side of the work box (9), and one end of the sludge discharge hose (24) extends into the discharge chamber (23).
6. The dredging device for a pipeline robot according to claim 1, characterized in that: A collection trough (26) is provided inside the working box (9) and below the bottom groove (25). A discharge pipe (30) is fixedly connected to one side of the working box (9), and a collection box (28) is fixedly connected to one side of the mounting base (2). One end of the discharge pipe (30) extends into the collection box (28).