A device for dredging a lock chamber of a ship lock

Abstract

The utility model relates to ship lock cleaning technical field, concretely is a kind of dredging device for ship lock chamber.The device includes vehicle body, fixedly connected on the suction pump of vehicle body, suction inlet of suction pump connects suction cylinder, the front end rotationally connected crushing head of suction cylinder, and crushing head transmission connection motor;Suction cylinder is rotationally connected on the vehicle body, and suction cylinder is connected for driving the pitch adjusting mechanism of its rotation;The front end of the suction cylinder is provided for the high-pressure water jet system used to assist dredging.The device is cooperatively designed by "crushing head mechanical crushing+high-pressure water flow scattering", can directly crush hardened silt and dilute into flow slurry, cooperate with the pushing effect of rotating shaft helical blade, avoid suction blockage, substantially improve dredging efficiency and thoroughness, reduce the silt residue of lock chamber bottom;The device is assisted by the pitch adjusting mechanism composed of stand and hydraulic cylinder, and suction cylinder can be flexibly adjusted pitch angle, can accurately clean the blind area of lock chamber corner, lock gate bottom and other traditional equipment difficult to reach.

Description

Technical Field

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

[0002] As a core navigation facility for inland waterways, canals, and coastal ports, ship locks function by regulating the water level in the lock chambers to help ships overcome water level differences and navigate. However, during long-term operation, sediment carried by the water flow, bottom mud disturbed by ship navigation, and suspended particulate matter from runoff from the surrounding waterways will continuously accumulate at the bottom of the lock chambers, forming silt. If this silt is not cleaned for a long time, it will seriously affect the gate's control over the water flow and may even affect the gate's service life. Therefore, cleaning devices are needed to remove the silt from the lock chambers.

[0003] In current lock dredging operations, sludge pumping is the mainstream method. However, due to long-term static pressure, the sludge at the bottom of the lock gate easily forms a compacted layer. This type of compacted sludge has a dense structure and poor fluidity, making it difficult for existing sludge pumps with their single suction function to effectively remove it. They cannot break up and disperse large pieces of compacted sludge, nor can they easily extract it through the pump's channels. This not only significantly reduces dredging efficiency but also often results in incomplete suction, significantly hindering lock dredging operations and ultimately affecting the overall cleaning effect. Utility Model Content

[0004] To address the problems of the prior art, this utility model provides a dredging device for a lock chamber, which adopts an integrated "crushing-suction" design. First, the compacted silt is broken up by a front-end crushing mechanism to remove its dense structure. Then, the loosened silt is precisely extracted and transported by a rear-end suction system, which significantly improves the thoroughness and efficiency of lock chamber dredging.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a dredging device for a lock chamber, comprising a vehicle body and a suction pump fixedly connected to the vehicle body, wherein the suction inlet of the suction pump is connected to a suction cylinder, the front end of the suction cylinder is rotatably connected to a crushing head, and the crushing head is driven by a motor; the suction cylinder is rotatably connected to the vehicle body, and the suction cylinder is connected to a pitch adjustment mechanism for driving its rotation; a high-pressure water jet system for assisting dredging is provided at the front end of the suction cylinder.

[0006] Employing the aforementioned structural design, the synergistic effect of the "crushing head + high-pressure water jet" allows the motor-driven crushing head to directly break up the compacted silt (such as hard, compacted mud blocks) at the bottom of the lock chamber. Simultaneously, the high-pressure water jet system further disperses the crushed silt particles, diluting them into a more fluid slurry, significantly improving the suction efficiency of the suction cylinder and reducing silt residue. The suction cylinder can be flexibly rotated via a pitch adjustment mechanism (e.g., adjusting the pitch angle and lateral swing angle), enabling targeted cleaning of "blind spots" that traditional dredging equipment struggles to reach, such as the corners of the lock chamber and the bottom of the gate. This avoids dredging dead zones caused by a fixed suction cylinder angle and adapts to the cleaning needs of lock chambers of different sizes.

[0007] Preferably, the outlet of the suction pump is fixedly connected to a sewage pipe, the tail end of the sewage pipe is connected to a sewage tank, the sewage tank is installed on the vehicle body, and multiple limiting blocks are provided on the outside of the sewage tank, the limiting blocks are fixedly connected to corresponding positions on the vehicle body.

[0008] The above structural design enables centralized collection and transportation of sludge, avoiding secondary pollution; the limiting blocks fix the sewage box, preventing displacement and leakage caused by equipment vibration.

[0009] Preferably, the suction cylinder is rotatably connected to a rotating shaft, the crushing head is fixedly connected to the front end of the rotating shaft, the front end of the rotating shaft is rotatably connected to a support plate, the support plate has multiple suction ports, the rear end of the rotating shaft is rotatably connected to a sealing plate, the support plate and the sealing plate are both fixedly connected to the suction cylinder, the rear end of the rotating shaft is fixedly connected to the output shaft of the motor, the motor is fixedly connected inside the protective shell, and the protective shell is fixedly connected to the suction cylinder.

[0010] The above structural design, with the front end of the shaft limited by a support plate and the rear end supported by a sealing plate, prevents the crushing head from "wobbling or deviating" when it is rotating at high speed to crush sludge, ensuring uniform crushing force and preventing the crushing head from scraping the bottom plate of the gate chamber or the inner wall of the suction cylinder due to misalignment. At the same time, the sealing plate can prevent the sludge slurry in the suction cylinder from entering the motor area, and the protective shell further protects the motor, preventing mud and water vapor from corroding the motor and extending its service life. The multiple suction ports on the support plate allow the surrounding sludge slurry to enter the suction cylinder through the suction ports while the crushing head is crushing sludge, preventing the support plate from obstructing the flow of sludge.

[0011] Preferably, a helical blade is fixedly connected to the rotating shaft.

[0012] With the above structural design, the spiral blades on the rotating shaft rotate synchronously with the shaft, which can generate a "pushing force" on the sludge slurry in the suction cylinder, continuously conveying the crushed and dispersed sludge towards the suction pump, avoiding the accumulation and blockage of sludge slurry in the suction cylinder; especially for sludge with high sand content or strong viscosity, the spiral blades can reduce the adhesion of sludge to the cylinder wall, ensure smooth conveying channel, and improve the continuous operation capability of the equipment.

[0013] Preferably, the pitch adjustment mechanism includes a column rotatably connected to the middle of the suction cylinder and a hydraulic cylinder with its upper end hinged to the rear end of the suction cylinder, and both the column and the hydraulic cylinder are fixedly connected to the vehicle body.

[0014] With the above structural design, the column serves as the fulcrum for the rotation of the suction cylinder. In conjunction with the extension and retraction of the hydraulic cylinder (the upper end of the hydraulic cylinder is hinged to the rear end of the suction cylinder), the pitch angle of the suction cylinder can be flexibly adjusted.

[0015] Preferably, the high-pressure water jet system includes a nozzle fixedly connected to a suction cylinder, a water pump with its outlet connected to the nozzle, and a water tank connected to the inlet of the water pump. Multiple nozzles are provided and fixedly connected to branch water pipes. The branch water pipes are fixedly connected to the main water pipe. The main water pipe is connected to the outlet of the water pump. The water tank is fixedly connected to the vehicle body.

[0016] With the above structural design, multiple nozzles are connected to the main water pipe through branch water pipes, forming a "multi-directional high-pressure water jet zone" at the front end of the suction cylinder. Compared with a single nozzle, this expands the water flow dispersion range, ensuring that the broken sludge particles are fully diluted. At the same time, the water pump draws water from the water tank, eliminating the need for an external water source. The equipment can move flexibly in lock operation areas without external water pipes, improving scenario adaptability. The pipeline design of the main water pipe and branch water pipes ensures uniform water pressure and flow rate at each nozzle, avoiding insufficient sludge dispersion in some areas due to uneven water pressure. The water tank, as a water storage unit, can stably supply water to the water pump, preventing pressure fluctuations caused by unstable water intake, ensuring that the high-pressure water flow continuously acts on the sludge, and improving the dispersion effect.

[0017] Compared with the prior art, the beneficial effects of this utility model are: This device, through a synergistic design of "mechanical crushing with a crushing head + high-pressure water jet dispersion", can directly break up plate-bound sludge and dilute it into a flowing slurry. Combined with the pushing action of the rotating shaft and spiral blades, it avoids suction blockage, greatly improving the efficiency and thoroughness of sludge removal and reducing sludge residue at the bottom of the gate chamber. With the help of a pitch adjustment mechanism composed of a column and a hydraulic cylinder, the suction cylinder can flexibly adjust its pitch angle, enabling precise cleaning of blind spots that are difficult for traditional equipment to reach, such as the corners of the gate chamber and the bottom of the gate. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the structure of the present invention from the left view; Figure 3 This is a front view structural diagram of the present invention. Detailed Implementation

[0019] Please see Figure 1 , Figure 2 , Figure 3 This utility model provides a technical solution: a dredging device for a lock chamber, comprising a vehicle body 1 and a suction pump 2 fixedly connected to the vehicle body 1. The suction inlet of the suction pump 2 is connected to a suction cylinder 3, and the front end of the suction cylinder 3 is rotatably connected to a crushing head 4 (capable of crushing plate-bound silt). The crushing head 4 is driven by a motor 5. The suction cylinder 3 is rotatably connected to the vehicle body 1, and the suction cylinder 3 is connected to a pitch adjustment mechanism for driving its rotation. The front end of the suction cylinder 3 is provided with a high-pressure water jet system for assisting dredging, and the suction pump 2 is a mud pump.

[0020] The suction port of the suction pump 2 is connected to the suction pipe 22, which is connected to the circumferential wall of the suction cylinder 3. In order to accommodate the rotation of the suction cylinder 3, the suction pipe 22 is made of flexible tubing (corrugated tubing).

[0021] The outlet of the suction pump 2 is fixedly connected to the sewage pipe 21, and the tail end of the sewage pipe 21 is connected to the sewage tank 23. The sewage tank 23 is installed on the vehicle body 1, and multiple limiting blocks 24 are provided on the outside of the sewage tank 23. The limiting blocks 24 are fixedly connected to the corresponding positions on the vehicle body 1.

[0022] The sewage box 23 has a top-opening structure. A lifting ring 25 is fixedly connected to the upper wall of the sewage box 23 so that the sewage box 23 can be lifted by a lifting device, which makes it easier for the staff to quickly empty the sewage box 23. The tail end of the sewage pipe 21 (the end that extends into the sewage box 23) is a flexible hose so that the sewage box 23 is not obstructed by the sewage pipe 21 when it is lifted.

[0023] The suction cylinder 3 is rotatably connected to a rotating shaft 41. The crushing head 4 is fixedly connected to the front end of the rotating shaft 41. The front end of the rotating shaft 41 is rotatably connected to a support plate 42. The support plate 42 has multiple suction ports. The rear end of the rotating shaft 41 is rotatably connected to a sealing plate 43. The support plate 42 and the sealing plate 43 are both fixedly connected to the suction cylinder 3. The rear end of the rotating shaft 41 is fixedly connected to the output shaft of the motor 5. The motor 5 is fixedly connected inside a protective shell 51. The protective shell 51 is fixedly connected to the suction cylinder 3.

[0024] The rotating shaft 41 is fixedly connected to the spiral blade 49.

[0025] The pitch adjustment mechanism includes a column 31 rotatably connected to the middle of the suction cylinder 3 and a hydraulic cylinder 32 with its upper end hinged to the rear end of the suction cylinder 3. Both the column 31 and the hydraulic cylinder 32 are fixedly connected to the vehicle body 1.

[0026] The high-pressure water jet system includes a nozzle 6 fixedly connected to the suction cylinder 3, a water pump 7 whose outlet is connected to the nozzle 6, and a water tank 71 connected to the inlet of the water pump 7. Multiple nozzles 6 are provided and fixedly connected to branch water pipes 61. The nozzles 6 are arranged in a ring at equal intervals on the suction cylinder 3. The branch water pipes 61 are fixedly connected to the main water pipe 62. In order to accommodate the rotation of the suction cylinder 3, the main water pipe 62 is a flexible hose (corrugated pipe). The main water pipe 62 is connected to the outlet of the water pump 7. The water tank 71 is fixedly connected to the vehicle body 1.

[0027] The water pump 7 is a high-pressure pump, which increases the water pressure sprayed from the nozzle 6 to better impact the silt.

[0028] To facilitate the movement of this device, a handrail 9 is fixedly connected to the vehicle body 1.

[0029] Working principle: Equipment debugging and angle positioning: Before operation, adjust the working angle of the suction cylinder 3 according to the thickness and position of the silt in the lock chamber (such as the bottom and corners) through the pitch adjustment mechanism. With the column 31 as the fulcrum, control the extension and retraction of the hydraulic cylinder 32 to drive the suction cylinder 3 to pitch and rotate, so that the front crushing head 4 is aligned with the hardened silt area to be cleaned, ensuring accurate crushing and suction positions.

[0030] Crushing of compacted sludge: Start motor 5, the output shaft of motor 5 drives the rotating shaft 41 inside the suction cylinder 3 to rotate at high speed, and the crushing head 4 at the front end of the rotating shaft 41 rotates synchronously, directly mechanically crushing the compacted sludge at the bottom of the gate chamber, breaking the dense mud into small pieces or granules, laying the foundation for subsequent flushing and suction; at the same time, the spiral blades 49 on the rotating shaft 41 rotate with the shaft, initially agitating the crushed sludge, preventing it from accumulating at the front end of the suction cylinder 3.

[0031] High-pressure water jet assisted flushing: Water pump 7 is started, drawing water from water tank 71 on vehicle body 1. After pressurizing the water, it is delivered to branch water pipe 61 through main water pipe 62, and finally sprayed out by multiple nozzles 6 arranged in a ring at the front end of suction cylinder 3. The high-pressure water jet further disperses the broken silt particles, diluting them into a more fluid slurry. At the same time, it washes away residual silt around suction cylinder 3, expanding the cleaning range and preventing hardened silt fragments from adhering to the bottom plate of the gate chamber.

[0032] Sludge suction and transportation: The suction pump 2 is started, and the suction pump 2 generates negative pressure inside the suction cylinder 3 through the suction pipe 22 (the corrugated pipe is adapted to rotate the suction cylinder 3). At this time, the diluted sludge enters the suction cylinder 3 through the suction port on the support plate 42. The spiral blades 49 rotate continuously, pushing the sludge towards the suction pump 2 to prevent the sludge from clogging inside the cylinder. After being pressurized by the suction pump 2, the sludge is transported to the sewage tank 23 on the vehicle body 1 through the sewage pipe 21 for centralized collection.

[0033] Sludge Transfer and Equipment Reset: When the sludge in the sewage tank 23 reaches a certain amount, shut down all power components. Using the lifting ring 25 at the top of the sewage tank 23, lift the sewage tank 23 using the lifting device (the flexible hose at the end of the sewage pipe 21 can be flexibly disassembled or stretched to avoid obstructing the lifting), and transfer it to the designated location for emptying. After emptying, put the sewage tank 23 back into the vehicle body 1 and fix it in place using the limit block 24. After the equipment is reset, it can proceed to the next area for sludge removal.

[0034] The structures, proportions, and sizes illustrated in the accompanying drawings are merely for illustrative purposes and to aid those skilled in the art in understanding and reading the content disclosed herein. They are not intended to limit the scope of this utility model and therefore have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this utility model, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms "upper," "lower," "left," "right," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this utility model's implementation.

[0035] The present invention has been described above with reference to preferred embodiments, but the scope of protection of the present invention is not limited thereto. All technical solutions falling within the scope of the claims are within the scope of protection of the present invention. Various modifications can be made to the present invention, and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way.

Claims

1. A dredging device for a lock chamber, comprising a vehicle body (1) and a suction pump (2) fixedly connected to the vehicle body (1), characterized in that: The suction inlet of the suction pump (2) is connected to the suction cylinder (3), the front end of the suction cylinder (3) is rotatably connected to the crushing head (4), and the crushing head (4) is driven to the motor (5); the suction cylinder (3) is rotatably connected to the vehicle body (1), and the suction cylinder (3) is connected to the pitch adjustment mechanism for driving its rotation; the front end of the suction cylinder (3) is provided with a high-pressure water jet system for assisting in dredging.

2. The dredging device for a lock chamber according to claim 1, characterized in that: The outlet of the suction pump (2) is fixedly connected to the sewage pipe (21), and the tail end of the sewage pipe (21) is connected to the sewage tank (23). The sewage tank (23) is installed on the vehicle body (1), and multiple limiting blocks (24) are provided on the outside of the sewage tank (23). The limiting blocks (24) are fixedly connected to the corresponding positions on the vehicle body (1).

3. The dredging device for a lock chamber according to claim 1, characterized in that: The suction cylinder (3) is rotatably connected to the rotating shaft (41). The crushing head (4) is fixedly connected to the front end of the rotating shaft (41). The front end of the rotating shaft (41) is rotatably connected to the support plate (42). Multiple suction ports are opened on the support plate (42). The rear end of the rotating shaft (41) is rotatably connected to the sealing plate (43). The support plate (42) and the sealing plate (43) are both fixedly connected to the suction cylinder (3). The rear end of the rotating shaft (41) is fixedly connected to the output shaft of the motor (5). The motor (5) is fixedly connected to the inside of the protective shell (51). The protective shell (51) is fixedly connected to the suction cylinder (3).

4. A dredging device for a lock chamber according to claim 3, characterized in that: The rotating shaft (41) is fixedly connected to the spiral blade (49).

5. A dredging device for a lock chamber according to claim 1, characterized in that: The pitch adjustment mechanism includes a column (31) rotatably connected to the middle of the suction cylinder (3) and a hydraulic cylinder (32) with its upper end hinged to the rear end of the suction cylinder (3). The column (31) and the hydraulic cylinder (32) are both fixedly connected to the vehicle body (1).

6. A dredging device for a lock chamber according to any one of claims 1 to 5, characterized in that: The high-pressure water jet system includes a nozzle (6) fixedly connected to the suction cylinder (3), a water pump (7) whose outlet is connected to the nozzle (6), and a water tank (71) connected to the inlet of the water pump (7). Multiple nozzles (6) are provided and fixedly connected to branch water pipes (61). The branch water pipes (61) are fixedly connected to the main water pipe (62). The main water pipe (62) is connected to the outlet of the water pump (7). The water tank (71) is fixedly connected to the vehicle body (1).

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