Modular multi-functional dredging head for a confined space dredging robot
By designing a modular, multi-functional dredging head that integrates mechanical excavation, high-pressure flushing, and vacuum suction, the shortcomings of existing dredging equipment in terms of functional adaptability, space constraints, and energy efficiency are resolved, achieving highly efficient dredging results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SICHUAN HUIZHI ANTAI TECH
- Filing Date
- 2025-08-18
- Publication Date
- 2026-07-24
AI Technical Summary
Existing dredging equipment has shortcomings in terms of functional adaptability, space constraints, and energy efficiency. In particular, the siltation in urban drainage networks is complex and the operating window is short, making it difficult to clean efficiently.
A modular, multi-functional dredging head is designed, integrating mechanical excavation, high-pressure flushing, and vacuum suction functions. It adopts a pump support, auger, hydraulic motor, and chain box device to achieve multi-functional integration, adapt to different silt deposits, and improve dredging efficiency.
It improves dredging efficiency, solves the problem of complex silt composition, reduces blockages, significantly enhances dredging effectiveness, and is suitable for operations in confined spaces.
Smart Images

Figure CN224549326U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of municipal engineering and environmental protection equipment technology, specifically relating to a modular multi-functional dredging working head for a confined space dredging robot. Background Technology
[0002] Based on the analysis of existing technologies, current dredging equipment faces three major technical bottlenecks:
[0003] 1. Insufficient functional adaptability: Traditional single-function heads cannot handle complex deposits and require multiple entries and exits to change tools, which is especially inconvenient in limited spaces.
[0004] 2. Spatial constraint conflict: Existing composite structures are prone to jamming in variable diameter pipes and bends.
[0005] 3. Low energy efficiency: The water utilization rate of the high-pressure flushing module is less than 60%, and the mechanical excavation module is prone to "shaft wrapping" in viscous silt, with power loss reaching 1.8 times the rated power.
[0006] In particular, given the characteristics of urban drainage pipe networks, such as "complex silt composition and short operating window", there is an urgent need to develop new modular working heads to solve the above-mentioned technical problems. Utility Model Content
[0007] The purpose of this invention is to solve the above problems and provide a modular, multi-functional dredging head for dredging robots in confined spaces that is simple in structure, easy to operate, and highly integrated.
[0008] To solve the above-mentioned technical problems, the technical solution of this utility model is: a modular multi-functional dredging working head for a confined space dredging robot, including a pump bracket, a pump, an auger, a hydraulic motor and a chain box device are provided on the pump bracket, the auger is located inside the pump bracket, and the hydraulic motor and the chain box device are located outside the pump bracket; the hydraulic motor is connected to the auger through the chain box device, thereby driving the auger to work.
[0009] Preferably, the pump support includes a pump support housing, a pump support baffle, a first side panel of the pump support, and a second side panel of the pump support, all integrally connected; the bottom of the pump support housing is fixedly connected to the pump support baffle, and both ends of the pump support baffle are fixedly connected to the first side panel of the pump support and the second side panel of the pump support, respectively; the pump support housing has a trapezoidal concave structure, the pump is mounted on the pump support housing, the pump support baffle is arc-shaped, and both the first side panel and the second side panel of the pump support are plate-like structures.
[0010] Preferably, the pump bracket baffle is provided with a nozzle assembly, which includes a nozzle pipe and nozzles. A nozzle pipe connector is installed at the end of the nozzle pipe, and the nozzles are linearly distributed on the nozzle pipe.
[0011] Preferably, a dredging device is installed on the pump support baffle. The dredging device includes a dredging support, a dredging connecting rod, a dredging cylinder, a dredging connector and a dredging chassis; the bottom end of the dredging support is fixedly connected to the pump support baffle, the other end of the dredging support is connected to the end of the dredging connecting rod, the middle of the dredging connecting rod is connected to the cylinder end of the dredging cylinder, the piston rod end of the dredging cylinder is connected to the dredging connector, the dredging connector is rotatably connected to the pump support baffle, and the dredging chassis is fixedly connected to the dredging connector.
[0012] Preferably, the dredging connecting rod is of a semi-circular arc structure, in a "Ji" shape, and the number of dredging supports is two, and the two dredging supports are respectively connected to both ends of the dredging connecting rod.
[0013] Preferably, the dredging connector includes a connector main body, a connector baffle and a connector middle plate. The connector main body includes two parallel and fixedly connected connector main body plates; the number of connector baffles is two and they are symmetrically distributed on the connector main body plates, and the connector middle plate is embedded in the connector main body plates and fixedly connected.
[0014] Preferably, the dredging chassis is a trapezoidal plate-shaped bending structure, the top of the dredging chassis is connected to the dredging connector, and the bottom of the dredging connector is a toothed structure.
[0015] Preferably, the chain box device includes a chain box housing. Inside the chain box housing, there are a chain box first roller and a chain box second roller. Both the chain box first roller and the chain box second roller are of a gear-shaped structure, and a chain is sleeved between the chain box first roller and the chain box second roller; the chain box first roller is connected to a hydraulic motor, and the chain box second roller is connected to a screw conveyor; when the hydraulic motor works, it drives the chain box first roller to rotate, and then drives the chain box second roller to rotate through the chain, and finally makes the screw conveyor rotate.
[0016] The beneficial effects of the present utility model are as follows:
[0017] 1. The modular multi-functional dredging working head of the limited-space dredging robot provided by the present utility model integrates multiple functions such as mechanical excavation, high-pressure flushing, and vacuum suction, with a high integration degree and low manufacturing cost.
[0018] 2. The present utility model can break up the hardened silt through the screw conveyor working head. At the same time, the working head can adapt to different deposited substances, solving the problem that the deposited components in the existing industry are complex and difficult to handle.
[0019] 3. The pump support of the present utility model is convenient to install with external existing equipment, can cope with the water area working environment, achieve precise operation, significantly improve the dredging efficiency, the rotary screw conveyor cooperates with a powerful pump to suck silt, reduce blockage, and the efficiency is significantly higher than that of the traditional one, and can effectively solve the problem of short operation window period. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the modular multi-functional dredging working head of a confined space dredging robot according to this utility model;
[0021] Figure 2 This is a schematic diagram of the pump bracket of this utility model;
[0022] Figure 3 This is a schematic diagram of the nozzle assembly of this utility model;
[0023] Figure 4 This is a schematic diagram of the dredging device of this utility model;
[0024] Figure 5 This is a side view of the dredging device of this utility model;
[0025] Figure 6 This is a structural schematic diagram of the dredging connector of this utility model;
[0026] Figure 7 This is a schematic diagram of the chain box device structure of this utility model;
[0027] Figure 8 This is a schematic diagram of the auger structure of this utility model.
[0028] Explanation of reference numerals in the attached drawings: 1. Pump bracket; 2. Pump; 3. Screw conveyor; 4. Hydraulic motor; 5. Chain box assembly; 6. Nozzle assembly; 7. Dredging device; 10. Pump bracket housing; 11. Pump bracket baffle; 12. First side panel of pump bracket; 13. Second side panel of pump bracket; 21. Pump outlet; 31. Conveyor shaft; 32. Conveyor plate; 33. First bearing seat; 34. Second bearing seat; 51. Chain box housing; 52. First roller of chain box; 53. Second roller of chain box; 61. Spray pipe; 62. Nozzle; 71. Dredging bracket; 72. Dredging connecting rod; 73. Dredging cylinder; 74. Dredging connector; 75. Dredging chassis; 741. Connector body; 742. Connector baffle; 743. Connector intermediate plate. Detailed Implementation
[0029] The present invention will be further described below with reference to the accompanying drawings and specific embodiments:
[0030] like Figures 1 to 8As shown, this utility model provides a modular multi-functional dredging working head for a confined space dredging robot, including a pump bracket 1. The pump bracket 1 is equipped with a pump 2, an auger 3, a hydraulic motor 4, and a chain box device 5. The auger 3 is located inside the pump bracket 1, while the hydraulic motor 4 and the chain box device 5 are located outside the pump bracket 1. The hydraulic motor 4 is connected to the auger 3 through the chain box device 5, thereby driving the auger 3 to operate.
[0031] Hydraulic motor 4 is an existing hydraulic motor device, such as a hydraulic motor with model number BMR-200.
[0032] The pump support 1 includes a pump support housing 10, a pump support baffle 11, a first side panel 12, and a second side panel 13, all integrally connected. The bottom of the pump support housing 10 is fixedly connected to the pump support baffle 11, and both ends of the pump support baffle 11 are fixedly connected to the first side panel 12 and the second side panel 13, respectively. The pump support housing 10 has a trapezoidal concave structure, the pump 2 is mounted on the pump support housing 10, the pump support baffle 11 is arc-shaped, and both the first side panel 12 and the second side panel 13 are plate-like structures.
[0033] In this embodiment, pump 2 is mounted on pump bracket housing 10. One end of pump 2 is connected to the interior of pump bracket housing 10. Pump 2 is an existing pump device, such as a hydraulic plunger sewage pump of model HZ-4C-200Z125. The other end of pump 2 has a pump outlet 21, which is a pipe structure. One end of pump outlet 21 is connected to the interior of pump bracket housing 10, and the other end of pump outlet 21 is connected to an existing suction pipe. Pump 2 is connected to an existing hydraulic power source. Under the combined action of pump 2 and suction pipe, sewage, sludge, and other debris enter the suction pipe through pump outlet 21, facilitating subsequent treatment.
[0034] The auger 3 is an existing spiral conveyor structure, comprising a conveyor shaft 31 and a conveyor plate 32, the conveyor plate 32 being spirally fixed to the conveyor shaft 31. When the conveyor shaft 31 rotates, it drives the conveyor plate 32 to rotate. A first bearing seat 33 and a second bearing seat 34 are fitted onto the end of the conveyor shaft 31. The first bearing seat 33 is fixedly connected to the second side panel 13 of the pump bracket. The second bearing seat 34 is fixedly connected to the first side panel 12 of the pump bracket. The end of the conveyor shaft 31 passes sequentially through the second bearing seat 34 and connects to the chain box device 5 after passing through the first side panel 12 of the pump bracket.
[0035] The pump bracket baffle 11 is provided with a nozzle assembly 6, which includes a nozzle pipe 61 and nozzles 62. A nozzle pipe connector 63 is installed at the end of the nozzle pipe 61, and the nozzles 62 are linearly distributed on the nozzle pipe 61.
[0036] During use, the nozzle 61 is a tubular structure with one end open and the other end closed. The nozzle head 62 is an existing water pipe nozzle head, and the number of nozzle heads 62 is five. The open end of the nozzle 61 is connected to an existing water source through a pipeline. After the water source passes through the nozzle 61, it is ejected from the nozzle head 62.
[0037] A dredging device 7 is installed on the pump support baffle 11. The dredging device 7 includes a dredging support 71, a dredging connecting rod 72, a dredging cylinder 73, a dredging connecting piece 74, and a dredging chassis 75. The bottom end of the dredging support 71 is fixedly connected to the pump support baffle 11, the other end of the dredging support 71 is connected to the end of the dredging connecting rod 72, the middle of the dredging connecting rod 72 is connected to the cylinder end of the dredging cylinder 73, the piston rod end of the dredging cylinder 73 is connected to the dredging connecting piece 74, the dredging connecting piece 74 is rotatably connected to the pump support baffle 11, and the dredging chassis 75 is fixedly connected to the dredging connecting piece 74.
[0038] During the telescopic process of the dredging cylinder 73, it drives the dredging connecting piece 74 to rotate, and then drives the dredging chassis 75 to rotate, realizing the operation process of excavation.
[0039] The dredging connecting rod 72 is a semi-circular arc structure, in a "U" shape. The number of dredging supports 71 is two, and the two dredging supports 71 are respectively connected to the two ends of the dredging connecting rod 72. In this embodiment, the end of the dredging support 71 is fixedly connected to the end of the dredging connecting rod 72. Thereby ensuring the overall stability and enabling the dredging cylinder 73 to remain stable during operation.
[0040] The dredging connecting piece 74 includes a connecting piece main body 741, a connecting piece baffle 742, and a connecting piece intermediate plate 743. The connecting piece main body 741 includes two parallel and fixedly connected connecting piece main body plates 744. The number of the connecting piece baffles 742 is two and they are symmetrically distributed on the connecting piece main body plates 744, and the connecting piece intermediate plate 743 is embedded in the connecting piece main body plates 744 and fixedly connected.
[0041] The dredging chassis 75 is a trapezoidal plate-shaped bending structure. The top of the dredging chassis 75 is connected to the dredging connecting piece 74, and the bottom of the dredging connecting piece 74 is a toothed structure.
[0042] The chain box device 5 includes a chain box housing 51. Inside the chain box housing 51, there are a chain box first roller 52 and a chain box second roller 53. Both the chain box first roller 52 and the chain box second roller 53 are gear-shaped structures. A chain 54 is sleeved between the chain box first roller 52 and the chain box second roller 53. The chain box first roller 52 is connected to the hydraulic motor 4, and the chain box second roller 53 is connected to the auger 3. When the hydraulic motor 4 works, it drives the chain box first roller 52 to rotate, and then drives the chain box second roller 53 to rotate through the chain 54, finally enabling the auger 3 to rotate.
[0043] In this invention, the dredging connecting rod 72 is fixedly connected to the existing equipment during use. Then, by controlling the extension and retraction of the dredging cylinder 73, the dredging chassis 75 rotates to achieve the dredging operation. The hydraulic motor 4 controls the operation of the auger 3, and the conveying plate 32 breaks up the hardened silt. The pump 2 then sucks the broken silt out from the pump outlet 21.
[0044] Those skilled in the art will recognize that the embodiments described herein are intended to help the reader understand the principles of this invention, and should be understood that the scope of protection of this invention is not limited to such specific statements and embodiments. Those skilled in the art can make various other specific modifications and combinations based on these technical teachings disclosed in this invention without departing from the essence of this invention, and these modifications and combinations are still within the scope of protection of this invention.
Claims
1. A modular, multi-functional dredging working head for a confined space dredging robot, characterized in that: It includes a pump support (1), on which there are a pump (2), a screw conveyor (3), a hydraulic motor (4) and a chain box device (5). The screw conveyor (3) is located inside the pump support (1), and the hydraulic motor (4) and the chain box device (5) are located outside the pump support (1); the hydraulic motor (4) is connected to the screw conveyor (3) through the chain box device (5), so as to drive the screw conveyor (3) to work and operate.
2. The modular multi-functional dredging working head of a confined space dredging robot according to claim 1, characterized in that: The pump support (1) includes a pump support housing (10), a pump support baffle (11), a first side panel of the pump support (12) and a second side panel of the pump support (13) which are integrally connected; the bottom of the pump support housing (10) is fixedly connected to the pump support baffle (11), and both ends of the pump support baffle (11) are respectively fixedly connected to the first side panel of the pump support (12) and the second side panel of the pump support (13); the pump support housing (10) has a trapezoidal concave structure, the pump (2) is installed on the pump support housing (10), the pump support baffle (11) is arc-shaped, and both the first side panel of the pump support (12) and the second side panel of the pump support (13) are plate-shaped structures.
3. The modular multi-functional dredging working head of a confined space dredging robot according to claim 2, characterized in that: The pump support baffle (11) is provided with a spray head assembly (6), and the spray head assembly (6) includes a spray pipe (61) and a spray head (62). A spray pipe connector (63) is installed at the end of the spray pipe (61), and the spray heads (62) are linearly distributed and installed on the spray pipe (61).
4. The modular multi-functional dredging working head of a confined space dredging robot according to claim 2, characterized in that: A dredging device (7) is installed on the pump support baffle (11), and the dredging device (7) includes a dredging support (71), a dredging connecting rod (72), a dredging cylinder (73), a dredging connecting piece (74) and a dredging chassis (75); the bottom end of the dredging support (71) is fixedly connected to the pump support baffle (11), the other end of the dredging support (71) is connected to the end of the dredging connecting rod (72), the middle of the dredging connecting rod (72) is connected to the cylinder end of the dredging cylinder (73), the piston rod end of the dredging cylinder (73) is connected to the dredging connecting piece (74), the dredging connecting piece (74) is rotatably connected to the pump support baffle (11), and the dredging chassis (75) is fixedly connected to the dredging connecting piece (74).
5. The modular multi-functional dredging working head of a confined space dredging robot according to claim 4, characterized in that: The dredging connecting rod (72) is a semi-circular arc structure, in a "U" shape, and the number of dredging supports (71) is two, and the two dredging supports (71) are respectively connected to both ends of the dredging connecting rod (72).
6. The modular multi-functional dredging working head of a confined space dredging robot according to claim 4, characterized in that: The dredging connecting piece (74) includes a connecting piece main body (741), a connecting piece baffle (742) and a connecting piece intermediate plate (743), and the connecting piece main body (741) includes two parallel and integrally connected connecting piece main body plates (744); the number of connecting piece baffles (742) is two and they are symmetrically distributed on the connecting piece main body plates (744), and the connecting piece intermediate plate (743) is embedded in the connecting piece main body plates (744) and fixedly connected.
7. The modular multi-functional dredging working head of a confined space dredging robot according to claim 4, characterized in that: The dredging chassis (75) is a trapezoidal plate-shaped bending structure, the top of the dredging chassis (75) is connected to the dredging connecting piece (74), and the bottom of the dredging connecting piece (74) is a toothed structure.
8. The modular multi-functional dredging working head of a confined space dredging robot according to claim 1, characterized in that: The chain box device (5) includes a chain box housing (51), inside which are provided a first chain box roller (52) and a second chain box roller (53). Both the first chain box roller (52) and the second chain box roller (53) are gear-shaped structures. A chain (54) is sleeved between the first chain box roller (52) and the second chain box roller (53). The first chain box roller (52) is connected to a hydraulic motor (4), and the second chain box roller (53) is connected to an auger (3). When the hydraulic motor (4) is working, it drives the first chain box roller (52) to rotate, which in turn drives the second chain box roller (53) to rotate through the chain (54), ultimately causing the auger (3) to rotate.