Urban closed conduit desilting equipment

Abstract

The utility model relates to urban closed conduit dredging equipment which comprises a walking mechanism, a stirring shaft arranged in front of the walking mechanism in the advancing direction, a power source fixed to the stirring shaft and arranged on the walking mechanism, and a plurality of blades arranged at different positions of the stirring shaft. A high-pressure water gun located below the stirring shaft and used for spraying water in the advancing direction is arranged in front of the walking mechanism, and a desilting pump is arranged on the walking mechanism. The device has the beneficial effects that through the wide stirring blades, the high-pressure water gun, the sludge pump and mutual cooperation of all parts of the device, the device can adapt to the dredging environment of urban closed conduits, and sludge including silt, oil sludge, viscous sludge and the like can be effectively removed; automatic operation is adopted in the dredging equipment, large-area sludge can be quickly cleaned, and the cleaning speed of the dredging equipment is far higher than that of a traditional manual dredging mode; and long-time uninterrupted dredging operation can be carried out, and the overall dredging progress is further accelerated.

Description

Technical Field

[0001] This utility model relates to the field of dredging technology, specifically to a device for dredging urban culverts. Background Technology

[0002] For dredging urban culverts, the usual method is to deploy dredging equipment into the culvert, which then completes the dredging work while moving around. However, the silt in urban culverts is usually quite thick, and the existing dredging equipment in operation has the following problems:

[0003] 1) High maintenance costs: The internal structure of dredging equipment is complex, containing many precision mechanical parts, electronic components and sensors. These parts are easily worn, corroded and damaged in the harsh dredging environment, requiring regular professional maintenance. Moreover, once a failure occurs, the repair cost is relatively high.

[0004] 2) Limited environmental adaptability: Although dredging equipment can work in a variety of environments, it still suffers from insufficient adaptability in some extremely complex environments;

[0005] 3) Limited dredging efficiency: Although dredging equipment is significantly more efficient than manual dredging, its efficiency still needs to be improved under certain specific conditions. For example, when dealing with large areas and deep silt layers, the dredging speed may be slow. For some silt with high viscosity and hardness, existing dredging equipment may not be able to remove it quickly and effectively, requiring more time and energy.

[0006] 4) Insufficient positioning and navigation accuracy: In complex environments such as underwater or underground, the positioning and navigation systems of dredging equipment may be affected, leading to a decrease in accuracy and affecting the equipment's accurate arrival at the dredging area and precise control of the operating range.

[0007] 5) Safety risks still exist: Although dredging equipment can prevent personnel from directly entering dangerous environments, the equipment itself may encounter safety problems during operation. For example, when working underwater, there may be malfunctions such as water leakage or electrical leakage, which may lead to equipment damage or even safety accidents. Utility Model Content

[0008] The technical problem to be solved by this utility model is to provide a device for dredging urban underground channels, so as to overcome the shortcomings of the prior art.

[0009] The technical solution of this utility model to solve the above-mentioned technical problems is as follows:

[0010] A dredging device for urban underground channels includes: a traveling mechanism, a mixing shaft arranged in front of the traveling mechanism along the direction of travel, a power source fixed to the mixing shaft on the traveling mechanism, multiple blades arranged at different positions on the mixing shaft, a high-pressure water gun located below the mixing shaft in front of the traveling mechanism and used to spray water in the direction of travel, and a dredging pump on the traveling mechanism.

[0011] Based on the above technical solution, the present invention can be further improved as follows.

[0012] Furthermore, the walking mechanism is equipped with a protective shell, the power source and the dredging pump are located inside the protective shell, the sludge suction port and the sludge discharge port of the dredging pump extend to the outside of the protective shell, the tail end of the mixing shaft extends into the protective shell and is connected to the power source, and the high-pressure water gun is located outside the protective shell.

[0013] Furthermore, the protective shell is made of stainless steel.

[0014] Furthermore, a water supply pipeline is installed inside the protective casing, with its inlet and outlet ends extending outside the casing. The outlet end of the water supply pipeline is connected to the inlet of the high-pressure water gun.

[0015] Furthermore, a control cabinet is installed inside the protective shell, and the walking mechanism and power source are electrically connected to the control cabinet. The control cabinet is electrically connected to the ultrasonic sensor and underwater camera installed outside the protective shell.

[0016] Furthermore, the control cabinet contains a controller, a signal transceiver, a vision sensor, and a sensor array. The walking mechanism, power source, signal transceiver, vision sensor, ultrasonic sensor, and sensor array are electrically connected to the controller, and the vision sensor is electrically connected to an underwater camera installed outside the protective shell.

[0017] Furthermore, the sensor group includes a position sensor and an attitude sensor.

[0018] Furthermore, the blades have cutting edges.

[0019] Furthermore, the blades are detachably connected to the stirring shaft, the blade plate area is 40cm×20cm in size, and the blade stirring arm is 30cm in length.

[0020] Furthermore, the power source uses a waterproof motor, and the main shaft of the waterproof motor is fixed to the stirring shaft.

[0021] Furthermore, the walking mechanism adopts a tracked chassis.

[0022] The working principle is as follows:

[0023] The traveling mechanism moves inside the culvert, allowing the mixing shaft and blades to penetrate deep into the silt during the movement. At the same time, the power source is turned on, which drives the mixing shaft and blades to rotate, performing digging and stirring of the silt. Meanwhile, water is supplied from the water supply end to the high-pressure water gun. The high-pressure water sprayed by the high-pressure water gun dilutes the silt, and the diluted sludge is discharged to the ground by the sludge pump. On the other hand, the blades can be washed while diluting the silt.

[0024] The advantages of this utility model over the prior art are:

[0025] 1. Highly targeted to the dredging environment of underground channels: Through its relatively large blades, high-pressure water gun, sludge pump, and the cooperation between various components, this equipment can adapt to the dredging environment of urban underground channels and effectively remove sludge, including mud, oil sludge, and sticky sludge.

[0026] 2. Fast operation speed: The dredging equipment adopts automated operation, which can quickly clean up large areas of silt, and its cleaning speed far exceeds that of traditional manual dredging methods;

[0027] 3. Strong continuous operation capability: It can carry out dredging operations for a long time without interruption, which further improves the overall dredging progress;

[0028] 4. Reduce labor intensity: Traditional dredging work is often labor-intensive, while this equipment has a simple structure and is easy to operate. It can replace manual labor in heavy dredging tasks, reduce the physical exertion of workers, reduce labor intensity, and make dredging work easier and safer.

[0029] 5. Precise positioning and sludge removal: Equipped with positioning and image recognition technology, it can accurately grasp the working area and sludge distribution, realize precise sludge removal, avoid the problems of over-dredging or incomplete sludge removal, and can also adjust the sludge thickness according to actual needs;

[0030] 6. Avoid the risk of personal injury: The entire process can be remotely controlled and operated. Operators do not need to enter the dangerous dredging environment. There may be toxic and harmful gases inside the culvert, which may lead to safety accidents such as poisoning, suffocation, and collapse. Remote operation effectively protects the lives of personnel.

[0031] 7. High level of intelligence: The equipment has an autonomous navigation function. Through advanced sensing technology and positioning system, it can autonomously plan its path in complex environments, automatically avoid obstacles, ensure the smooth progress of dredging operations, reduce the need for manual intervention, and improve the automation and safety of the operation.

[0032] 8. Real-time monitoring and data feedback: Built-in multiple sensors can monitor various data during the dredging process in real time, such as silt thickness and equipment operating status, and feed this data back to the operators so that the dredging strategy and equipment parameters can be adjusted in a timely manner to ensure the dredging effect and normal operation of the equipment;

[0033] The ultrasonic sensor monitors the thickness of silt. The principle is that the ultrasonic sensor uses the propagation characteristics of ultrasonic waves in a medium to emit ultrasonic pulses. When the ultrasonic waves encounter the surface of the silt, they are reflected. The sensor receives the reflected waves and calculates the distance based on the time difference, thereby determining the thickness of the silt. This sensor has good adaptability to silt of different materials and densities, is relatively low in cost, easy to install, can monitor changes in silt thickness in real time, and can work stably underwater and in harsh environments.

[0034] 9. By adding a protective shell, water, silt, etc. can be prevented from entering the interior and damaging electronic components and mechanical parts. The sealing of the protective shell can be ensured by adding sealing gaskets and sealant at the penetration points, ensuring that the dredging equipment can operate normally underwater or in humid environments. In terms of materials: since the dredging equipment often works in harsh environments such as sewage and silt, the protective shell must have good corrosion resistance. The protective shell is made of stainless steel and uses an anti-corrosion coating to resist the corrosion of acid and alkali substances in sewage and enhance the corrosion resistance of the protective shell. Attached Figure Description

[0035] Figure 1 This is a structural diagram of the urban culvert dredging equipment of this utility model.

[0036] The attached diagram lists the components represented by each number as follows:

[0037] 1. Walking mechanism, 2. Agitator shaft, 3. Power source, 4. Blades, 5. High-pressure water gun, 6. Dredging pump, 610. Suction port, 620. Discharge port, 7. Protective shell, 8. Water supply pipeline, 9. Control cabinet, 10. Underwater camera. Detailed Implementation

[0038] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.

[0039] Example 1

[0040] like Figure 1As shown, a dredging device for urban underground channels includes: a traveling mechanism 1, a stirring shaft 2 arranged in front of the traveling mechanism 1 along the traveling direction, a power source 3 fixed to the stirring shaft 2 on the traveling mechanism 1, multiple blades 4 arranged at different positions on the stirring shaft 2, a high-pressure water gun 5 located below the stirring shaft 2 in front of the traveling mechanism 1 and used to spray water in the traveling direction, and a dredging pump 6 on the traveling mechanism 1.

[0041] The walking mechanism 1, power source 3 and dredging pump 6 can be powered by an electric power source or by mains power, depending on the actual situation.

[0042] The traveling mechanism 1 travels within the culvert, allowing the mixing shaft 2 and blades 4 to penetrate deep into the silt. Simultaneously, the power source 3 is activated, driving the mixing shaft 2 and blades 4 to rotate, performing digging and stirring the silt. At the same time, water is supplied to the high-pressure water gun 5 from the water supply end. The high-pressure water sprayed by the high-pressure water gun 5 dilutes the silt, and the diluted sludge is discharged to the ground by the sludge pump 6. On the other hand, while diluting the silt, it can also wash the blades 4 to prevent the accumulation and blockage of silt.

[0043] Using this equipment for culvert dredging is more convenient, the equipment has higher dredging efficiency, and the equipment does not require high operator skills, making it better suited for urban culvert dredging.

[0044] The dredging pump 6 is a conventional technology. The dredging pump 6 mainly uses a power unit (usually an electric motor or engine) to drive the impeller to rotate. When the impeller rotates at high speed in the pump body, a low-pressure zone is formed in its central area. Due to the action of external pressure (such as atmospheric pressure or pressure generated by the difference between mud and water levels), the mixture of sludge and water is forced into the inlet of the pump body. After entering the pump body, the sludge gains kinetic and pressure energy under the push of the impeller. As the impeller rotates, it is continuously transported to the outlet and finally discharged to the designated location.

[0045] Example 2

[0046] like Figure 1 As shown, this embodiment is a further improvement on embodiment 1, as detailed below:

[0047] The walking mechanism 1 is equipped with a protective shell 7. The power source 3 and the dredging pump 6 are located inside the protective shell 7. The sludge suction port 610 and the sludge discharge port 620 of the dredging pump 6 extend through to the outside of the protective shell 7, and the penetration is sealed. The tail end of the stirring shaft 2 extends into the protective shell 7 and is connected to the power source 3. The penetration is also sealed. The high-pressure water gun 5 is located outside the protective shell 7. The protective shell 7 can protect the power source 3 and the dredging pump 6 to prevent them from being immersed in sludge.

[0048] By adding a protective shell 7, water, silt, etc. can be prevented from entering the interior and damaging electronic components and mechanical parts. The sealing of the protective shell 7 can be ensured by adding sealing gaskets, sealant, etc. at the penetration points, so as to ensure that the dredging equipment can operate normally underwater or in a humid environment.

[0049] In terms of materials: Since dredging equipment often operates in harsh environments such as sewage and sludge, the protective shell 7 needs to have good corrosion resistance. The protective shell 7 is made of stainless steel and uses an anti-corrosion coating to resist the corrosion of acid and alkali substances in sewage and enhance the corrosion resistance of the protective shell.

[0050] Example 3

[0051] like Figure 1 As shown, this embodiment is a further improvement on embodiment 2, as detailed below:

[0052] A water supply pipe 8 is installed inside the protective shell 7. The inlet and outlet ends of the water supply pipe 8 extend to the outside of the protective shell 7. The outlet end of the water supply pipe 8 is connected to the inlet of the high-pressure water gun 5. The inlet end of the water supply pipe 8 is connected to a water supply end. The water supply end can supply water to the high-pressure water gun 5 through the water supply pipe 8 and finally spray it out from the high-pressure water gun 5.

[0053] Example 4

[0054] like Figure 1 As shown, this embodiment is a further improvement on embodiment 2 or 3, as detailed below:

[0055] A control cabinet 9 is installed inside the protective shell 7. The walking mechanism 1 and the power source 3 are electrically connected to the control cabinet 9. The control cabinet 9 is electrically connected to the ultrasonic sensor and the underwater camera 10 installed outside the protective shell 7. The control cabinet 9 can control the movement of the walking mechanism 1 and the power source 3 respectively. The underwater camera 10 can collect real-time images of the dredging site and transmit them to the control cabinet 9. The operator on the ground can establish data interaction with the control cabinet 9 through the remote control, such as sending commands. The control cabinet 9 can transmit control commands to the corresponding units, such as controlling the speed of the power source 3, the walking direction of the walking mechanism 1, and the power of the dredging pump 6. Similarly, the operator can also view the images collected by the underwater camera 10 through the display screen on the remote control to understand the progress of dredging, the state of the silt, and the surrounding environment. Image recognition technology can also be used to assist the equipment in automatic dredging operations, such as identifying the boundaries of the silt and obstacles, and controlling the equipment through the remote control to perform secondary cleaning of areas that have not been cleaned.

[0056] The underwater camera 10 is used for shooting and monitoring in culvert environments. It features a good waterproof and sealed design, allowing it to work normally for extended periods underwater at a certain depth without leaking. It can also withstand the water pressure at the corresponding depth to prevent damage to the equipment due to excessive pressure. Equipped with a high-sensitivity image sensor and a high-quality optical lens, it can capture clear, detailed, and color-accurate images even in low-light and heavily diffused conditions. It has good low-light performance and can still shoot normally in dimly lit underwater environments without the need for an additional strong light source. It can also enhance illumination through its own supplementary lighting equipment to obtain clearly visible images.

[0057] The ultrasonic sensor monitors the thickness of silt by utilizing the propagation characteristics of ultrasonic waves in a medium. It emits ultrasonic pulses, which are reflected when they encounter the silt surface. The sensor receives the reflected waves and calculates the distance based on the time difference, thus determining the silt thickness. This sensor is adaptable to silt of different materials and densities, has a relatively low cost, is easy to install, can monitor changes in silt thickness in real time, and can work stably underwater and in harsh environments.

[0058] Furthermore, the control cabinet 9 contains a controller, a signal transceiver, a vision sensor, and a sensor array. The walking mechanism 1, power source 3, signal transceiver, vision sensor, ultrasonic sensor, and sensor array are all electrically connected to the controller. The signal transceiver is used to establish data interaction between the controller and the remote controller. The vision sensor is electrically connected to the underwater camera 10 installed outside the protective shell 7. The vision sensor mainly processes the image information collected by the underwater camera 10 to provide real-time images of the dredging site to the display screen of the remote controller. The controller is responsible for receiving signals from the vision sensor and the sensor array, analyzing and processing these signals, and issuing control commands to various actuators (such as the walking mechanism 1, power source 3, dredging pump 6, etc.) according to the preset program and the operator's instructions. The controller is generally a high-performance microprocessor with powerful data processing capabilities and storage functions.

[0059] In this embodiment, the sensor group includes at least a position sensor and an attitude sensor.

[0060] Position sensors: used to determine the location of the equipment at the dredging site, including its coordinate position on the plane and its depth position. During dredging, the position sensors can determine the location of the equipment and, in combination with other positioning technologies, achieve precise positioning to ensure that the equipment carries out dredging operations within the designated area.

[0061] Attitude sensors monitor the attitude of equipment, such as tilt angle and roll angle. When equipment moves on uneven terrain or performs digging operations, attitude sensors can provide timely feedback to prevent the equipment from tipping over.

[0062] Example 5

[0063] like Figure 1 As shown, this embodiment is a further improvement on any one of embodiments 1 to 4, as detailed below:

[0064] The edge of blade 4 has a cutting edge, which can effectively cut into the silt and is more suitable for cleaning some viscous silt or silt containing debris.

[0065] Example 6

[0066] like Figure 1 As shown, this embodiment is a further improvement on any one of embodiments 1 to 5, as detailed below:

[0067] The blade 4 is detachably connected to the stirring shaft 2, which facilitates disassembly, repair or replacement when a blade 4 is damaged. The blade 4 has a plate-shaped area of ​​40cm×20cm, the stirring arm of the blade 4 is 30cm long, the stirring shaft 2 has a diameter of about 20cm, and the stirring range diameter is 120cm.

[0068] Example 7

[0069] like Figure 1 As shown, this embodiment is a further improvement on any one of embodiments 1 to 6, as detailed below:

[0070] The power source 3 uses a waterproof motor. The main shaft of the waterproof motor is fixed to the stirring shaft 2. The waterproof motor drives the stirring shaft 2 to rotate. This driving method has the advantages of being pollution-free and having low noise.

[0071] Example 8

[0072] like Figure 1 As shown, this embodiment is a further improvement on any one of embodiments 1 to 7, as detailed below:

[0073] The walking mechanism 1 adopts a tracked chassis. The tracks can increase the contact area between the equipment and the silt, reduce the pressure per unit area, and enable the equipment to move stably on soft and uneven silt. There is a large amount of silt accumulated at the bottom of the culvert, and the bottom terrain is uneven. The tracked chassis can ensure that the equipment can travel smoothly on it. The tracked chassis is a conventional technology. Its structure includes: drive wheel, driven wheel, track and support wheel. The drive wheel is driven by a motor, which drives the track to move, thereby realizing the forward, backward and turning of the equipment.

[0074] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A device for dredging urban underground channels, characterized in that, include: The walking mechanism (1) has a stirring shaft (2) arranged in front of it along the direction of travel. The walking mechanism (1) is equipped with a power source (3) fixed to the stirring shaft (2). The stirring shaft (2) has multiple blades (4) at different positions. The walking mechanism (1) has a high-pressure water gun (5) located below the stirring shaft (2) and used to spray water in the direction of travel. The walking mechanism (1) is equipped with a sludge pump (6).

2. The urban culvert dredging equipment according to claim 1, characterized in that, The walking mechanism (1) is provided with a protective shell (7). The power source (3) and the dredging pump (6) are located inside the protective shell (7). The sludge suction port (610) and the sludge discharge port (620) of the dredging pump (6) extend to the outside of the protective shell (7). The tail end of the stirring shaft (2) extends into the protective shell (7) and is connected to the power source (3). The high-pressure water gun (5) is located outside the protective shell (7).

3. The urban culvert dredging equipment according to claim 2, characterized in that, A water supply pipeline (8) is installed inside the protective shell (7). The inlet and outlet ends of the water supply pipeline (8) extend to the outside of the protective shell (7), and the outlet end of the water supply pipeline (8) is connected to the inlet of the high-pressure water gun (5).

4. The urban culvert dredging equipment according to claim 2, characterized in that, The control cabinet (9) is installed inside the protective shell (7). The walking mechanism (1) and the power source (3) are electrically connected to the control cabinet (9). The control cabinet (9) is electrically connected to the ultrasonic sensor and the underwater camera (10) installed outside the protective shell (7).

5. The urban culvert dredging equipment according to claim 4, characterized in that, The control cabinet (9) contains a controller, a signal transceiver, a vision sensor and a sensor group. The walking mechanism (1), power source (3), signal transceiver, vision sensor, ultrasonic sensor and sensor group are electrically connected to the controller. The vision sensor is electrically connected to the underwater camera (10) installed outside the protective shell (7).

6. The urban culvert dredging equipment according to claim 5, characterized in that, The sensor group includes a position sensor and an attitude sensor.

7. The urban culvert dredging equipment according to claim 1, characterized in that, The edge of the blade (4) has a cutting edge.

8. The urban culvert dredging equipment according to claim 1, characterized in that, The blade (4) is detachably connected to the stirring shaft (2). The blade (4) has a sheet-like area size of 40cm × 20cm and the stirring arm length of the blade (4) is 30cm.

9. The urban culvert dredging equipment according to claim 1, characterized in that, The power source (3) is a waterproof motor, and the main shaft of the waterproof motor is fixed to the stirring shaft (2).

10. The urban culvert dredging equipment according to claim 1, characterized in that, The walking mechanism (1) adopts a tracked chassis.

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