A port channel dredging device

Abstract

The application discloses a port channel dredging device and relates to the field of water conservancy dredging equipment, which solves the problem that the existing port channel dredging device is difficult to move on the water bottom and fully discharge silt, and a large amount of water is discharged simultaneously during the pumping process, and comprises an arc-shaped cover, a dredging cylinder and a dredging mechanism, wherein the dredging mechanism comprises a fixed cylinder, a sliding cylinder and a control element, a plurality of groups of communication holes are formed in the sliding cylinder, the position of the dredging cylinder is controlled by the control element on the dredging mechanism, so that the dredging cylinder can roll in the silt on the water bottom, the lower sliding cylinder is inserted into the silt, the silt enters the fixed cylinder and the dredging cylinder through the communication holes and is discharged to a required position for collection and filtering treatment, the communication holes on the sliding cylinder at the upper side are automatically closed, the conveying amount of the water at the upper position during the pumping process is reduced, the conveying strength of the silt at the lower area is ensured, and the dredging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water conservancy dredging equipment, in particular to a port channel dredging device. BACKGROUND

[0002] During long-time operation, the silt at the bottom of the channel will continuously accumulate, causing the depth of the port channel to gradually decrease, affecting the traffic capacity of the channel. Therefore, the port channel needs to be dredged regularly. Compared with other channel projects, channel dredging is flexible, fast-acting, and simple to construct, and does not require a large amount of engineering materials and manpower.

[0003] The existing port channel dredging device directly places the silt pumping equipment into the water bottom, and directly pumps the silt and water into the treatment mechanism for filtration and collection. If the bottom end of the pumping device is light in weight, it is difficult to ensure that the bottom end is always inside the silt at the water bottom. If the weight is too large, it is easy to sink into the silt and be difficult to move. In order to improve the moving efficiency of the equipment at the water bottom, improve the silt pumping efficiency, and reduce the pumping amount of water, the present application proposes a port channel dredging device. SUMMARY

[0004] The present application aims to provide a port channel dredging device that can improve the moving efficiency of the equipment at the water bottom, improve the silt pumping efficiency, and reduce the pumping amount of water, to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a port channel dredging device, comprising an arc-shaped cover and a dredging mechanism, a dredging cylinder is arranged below the arc-shaped cover, the dredging mechanism comprises a plurality of fixed cylinders fixedly installed on the outer wall of the dredging cylinder, a sliding cylinder is slidably connected in the fixed cylinder, a plurality of communication holes are formed in the sliding cylinder, a control member is arranged on the arc-shaped cover for controlling the position of the dredging cylinder and outputting the silt in the dredging cylinder, the position of the dredging cylinder can be controlled by the control member, so that the dredging cylinder can roll in the silt at the water bottom, the sliding cylinder below is inserted into the silt, the silt enters the fixed cylinder and the dredging cylinder through the communication holes and is discharged, and the communication holes on the sliding cylinder at the upper side are automatically closed, reducing the delivery amount of the water above during pumping, ensuring the delivery strength of the silt in the lower area, improving the moving efficiency of the equipment at the water bottom, improving the silt pumping efficiency, and reducing the pumping amount of water.

[0006] Preferably, the dredging mechanism further comprises a sleeve installed inside the dredging cylinder, a plurality of groups of rotating rods are uniformly connected to the sleeve, conveying screws are fixedly connected to the outer wall of the rotating rods, the conveying screws penetrate through the dredging cylinder and rotate with the inner wall of the dredging cylinder and the fixed cylinder, a sliding cavity is arranged in the fixed cylinder, the sliding cylinder is slidingly connected to the inner wall of the sliding cavity, a return spring is fixedly connected in the sliding cavity, one end of the return spring is fixedly connected to the sliding cylinder, thereby facilitating the conveying operation of the sludge.

[0007] Preferably, the dredging mechanism further comprises a fixed cover fixedly installed at both ends of the arc-shaped cover, a side plate is arranged in the fixed cover, the top end of the sliding cylinder can slide with the inner wall of the arc-shaped cover, slopes are arranged on both sides of the arc-shaped cover, the outer edge of the sliding cylinder can slide with the slope, thereby facilitating the guiding of the sliding cylinder when the sliding cylinder reaches the slope position, so that the sliding cylinder gradually slides into the sliding cavity, the sleeve is provided with a driving member for synchronously driving a plurality of groups of rotating rods to rotate, the arc-shaped cover is provided with a dismounting member for controlling the fixed state of the dredging cylinder, thereby facilitating the adjustment of the position of the side plate.

[0008] Preferably, the dismounting member comprises a sliding block fixedly installed on the side plate, a guide groove is arranged in the fixed cover, the sliding block is slidingly connected to the inner wall of the guide groove in the horizontal direction, a device box is fixedly connected to the arc-shaped cover, an electric telescopic rod is fixedly connected in the device box, the telescopic end of the electric telescopic rod is fixedly connected to the side surface of the sliding block, a sleeve ring that can movably sleeve the outer wall of both ends of the dredging cylinder is fixedly connected to the side plate, thereby facilitating the control of the fixed state of the dredging cylinder.

[0009] Preferably, the driving member comprises a mounting cylinder fixedly installed on one side of the side plate, a driving motor is fixedly connected in the mounting cylinder, the mounting cylinder movably sleeves the inner wall of the sleeve, an insertion slot is arranged in the output end of the driving motor, an insertion rod is inserted into the insertion slot, a driving shaft is coaxially fixedly connected to the insertion rod, a plurality of groups of first bevel gears are uniformly fixedly connected to the driving shaft in a coaxial manner, second bevel gears that mesh with the first bevel gears are fixedly connected to the rotating rods in a coaxial manner, the outer wall of the first bevel gears is rotatably connected to the inner wall of the sleeve, thereby facilitating the synchronous driving of a plurality of groups of rotating rods to rotate.

[0010] Preferably, the control piece comprises a conveying pipe fixedly installed in the side plate, a bottom end of the conveying pipe is capable of communicating with the dredging cylinder, a connecting pipe is fixedly connected on the device box, two groups of sleeve pipes are communicated and connected on the side surface of the connecting pipe, the conveying pipe is movably sleeved with the inner wall of the sleeve pipe, the conveying pipe communicates with the sleeve pipe, an output piece for outputting the sludge is arranged on the connecting pipe, and a moving piece for controlling the position of the arc-shaped cover is arranged on the device box, so that the position of the dredging cylinder can be controlled and the sludge in the dredging cylinder can be outputted.

[0011] Preferably, the output piece comprises an output pipe communicated and connected with the upper end of the connecting pipe, an upper end of the output pipe is provided with a suction pump, an output end of the suction pump is communicated and connected with a collecting box, and a drain pipe is arranged on the collecting box, so that the sludge can be outputted.

[0012] Preferably, the moving piece comprises a fixing frame fixedly installed on the device box, a rotating shaft is rotatably connected on the fixing frame, and a steel cable is fixedly connected on the rotating shaft, so that the position of the arc-shaped cover can be controlled.

[0013] Preferably, the steel cable is fixedly connected with a guide frame which is slidably sleeved with the outer wall of the output pipe, so that the output pipe can be guided and limited in position.

[0014] Preferably, the fixing frame is obliquely arranged above the device box, so that the dredging cylinder on the water bottom can be driven by the ship body on the water to roll and run in the sludge.

[0015] Compared with the prior art, the beneficial effects of the present application are:

[0016] The port channel dredging device provided by the present application solves the problems that the prior art port channel dredging device is difficult to move on the water bottom and fully discharge the sludge, and a large amount of water is discharged synchronously during the suction and conveying process. The position of the dredging cylinder is controlled by the control piece on the dredging mechanism, so that the dredging cylinder can roll in the sludge on the water bottom. The lower sliding cylinder is inserted into the sludge, so that the sludge enters the fixed cylinder and the dredging cylinder through the communication hole and is discharged to the required position for collection and filtration treatment. The communication hole on the sliding cylinder on the upper side is automatically closed, the conveying amount of water on the upper position during the suction and conveying process is reduced, the conveying strength of the sludge in the lower area is ensured, and the dredging efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a partial structure diagram of the dredging mechanism of the present application;

[0018] Figure 2 It is Figure 1 an enlarged view of area A in the middle;

[0019] Figure 3 It is the schematic diagram of the whole structure of the application;

[0020] Figure 4 It is the schematic diagram of the bottom structure of the dredging mechanism of the application;

[0021] Figure 5 It is the exploded view of the local structure of the control member of the application;

[0022] Figure 6 It is the exploded view of the local structure of the dismounting member of the application;

[0023] Figure 7 It is the front view of the local structure of the dredging mechanism of the application;

[0024] Figure 8 It is Figure 7 the enlarged view of area B;

[0025] Figure 9 It is the sectional view of the local structure of the dredging mechanism of the application;

[0026] Figure 10 It is Figure 9 the enlarged view of area C;

[0027] Figure 11 It is the schematic diagram of the local structure of the driving member of the application;

[0028] Figure 12 It is Figure 11 the enlarged view of area D.

[0029] In the figure: 1-arc cover; 2-dredging cylinder; 3-fixed cylinder; 4-sliding cylinder; 5-communication hole; 6-control member; 7-sleeved cylinder; 8-rotation rod; 9-conveying spiral; 10-sliding cavity; 11-reset spring; 12-fixed cover; 13-side plate; 14-slope surface; 15-driving member; 16-dismounting member; 17-sliding block; 18-guiding groove; 19-device box; 20-electric telescopic rod; 21-sleeved ring; 22-mounting cylinder; 23-driving motor; 24-insertion slot; 25-insertion rod; 26-driving shaft; 27-first bevel gear; 28-second bevel gear; 29-conveying pipe; 30-connecting pipe; 31-sleeved pipe; 32-output member; 33-moving member; 34-output pipe; 35-pumping pump; 36-collecting box; 37-drain pipe; 38-fixing frame; 39-rotation shaft; 40-steel cable; 41-guiding frame. DETAILED DESCRIPTION

[0030] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0031] Please refer to Figures 1-12 The present application provides a technical solution: a port channel dredging device, comprising an arc-shaped cover 1 and a dredging mechanism, a dredging cylinder 2 is arranged below the arc-shaped cover 1, the dredging mechanism comprises a plurality of fixed cylinders 3 fixedly installed on the outer wall of the dredging cylinder 2, a sliding cylinder 4 is slidably connected in the fixed cylinder 3, a plurality of communication holes 5 are formed in the sliding cylinder 4, a control member 6 is arranged on the arc-shaped cover 1 for controlling the position of the dredging cylinder 2 and outputting the sludge in the dredging cylinder 2, and the position of the dredging cylinder 2 can be controlled by the control member 6, so that the dredging cylinder 2 can roll in the sludge at the bottom of the water, the lower sliding cylinder 4 is inserted into the sludge, the sludge enters the fixed cylinder 3 and the dredging cylinder 2 through the communication holes 5 and is discharged, and the communication holes 5 on the upper side of the sliding cylinder 4 are automatically closed, thereby reducing the conveying amount of the upper water body during the pumping process and ensuring the conveying strength of the sludge in the lower area.

[0032] The dredging mechanism further comprises a sleeve cylinder 7 installed in the dredging cylinder 2, a plurality of rotating rods 8 are uniformly rotatably connected to the sleeve cylinder 7, a conveying spiral 9 is fixedly connected to the outer wall of the rotating rod 8, the conveying spiral 9 penetrates through the dredging cylinder 2 and rotates in close contact with the inner walls of the dredging cylinder 2 and the fixed cylinder 3, a sliding cavity 10 is formed in the fixed cylinder 3, the sliding cylinder 4 is slidably connected to the inner wall of the sliding cavity 10, a return spring 11 is fixedly connected in the sliding cavity 10, and one end of the return spring 11 is fixedly connected to the sliding cylinder 4.

[0033] The dredging mechanism further comprises a fixed cover 12 fixedly installed at both ends of the arc-shaped cover 1, a side plate 13 is arranged in the fixed cover 12, slope surfaces 14 are arranged on both sides of the arc-shaped cover 1, the outer edge of the sliding cylinder 4 can slide in close contact with the slope surfaces 14, the top end of the sliding cylinder 4 can slide in close contact with the inner wall of the arc-shaped cover 1, a driving member 15 is arranged in the sleeve cylinder 7 for synchronously driving a plurality of rotating rods 8 to rotate, and a dismounting member 16 is arranged on the arc-shaped cover 1 for controlling the fixed state of the dredging cylinder 2.

[0034] The dismounting member 16 comprises a sliding block 17 fixedly installed on the side plate 13, a guide groove 18 is formed in the fixed cover 12, the sliding block 17 is slidably connected to the inner wall of the guide groove 18 in the horizontal direction, a device box 19 is fixedly connected to the arc-shaped cover 1, an electric telescopic rod 20 is fixedly connected in the device box 19, the telescopic end of the electric telescopic rod 20 is fixedly connected to the side surface of the sliding block 17, and a sleeve ring 21 capable of movably sleeving the outer walls of both ends of the dredging cylinder 2 is fixedly connected to the side plate 13.

[0035] The driving member 15 comprises a mounting cylinder 22 fixedly installed on one side plate 13, a driving motor 23 fixedly connected in the mounting cylinder 22, the model of the driving motor 23 is preferably YYHS-40, the mounting cylinder 22 is movably sleeved with the inner wall of the sleeving cylinder 7, the output end of the driving motor 23 is provided with a plug-in slot 24, a plug-in rod 25 is plugged in the plug-in slot 24, the plug-in rod 25 is coaxially fixedly connected with a driving shaft 26, a plurality of groups of first bevel gears 27 are uniformly fixedly connected on the driving shaft 26, a second bevel gear 28 engaged with the first bevel gears 27 is fixedly connected on the rotating rod 8, and the outer wall of the first bevel gears 27 is rotatably connected with the inner wall of the sleeving cylinder 7.

[0036] The control member 6 comprises a conveying pipe 29 fixedly installed in the side plate 13, the bottom end of the conveying pipe 29 can be communicated with the dredging cylinder 2, a connecting pipe 30 is fixedly connected on the device box 19, two groups of sleeving pipes 31 are communicated and connected on the side surface of the connecting pipe 30, the conveying pipe 29 is movably sleeved with the inner wall of the sleeving pipe 31, the conveying pipe 29 is communicated with the sleeving pipe 31, the output member 32 for outputting the sludge is arranged on the connecting pipe 30, the moving member 33 for controlling the position of the arc-shaped cover 1 is arranged on the device box 19, the moving member 33 comprises a fixed frame 38 fixedly installed on the device box 19, a rotating shaft 39 rotatably connected on the fixed frame 38, a steel cable 40 fixedly connected on the rotating shaft 39, and the fixed frame 38 is obliquely arranged above the device box 19.

[0037] The output member 32 comprises an output pipe 34 communicated and connected with the upper end of the connecting pipe 30, the upper end of the output pipe 34 is provided with a suction pump 35, the output end of the suction pump 35 is communicated and connected with a collecting box 36, the collecting box 36 is provided with a drain pipe 37, and the steel cable 40 is fixedly connected with a guide frame 41 slidably sleeved with the outer wall of the output pipe 34.

[0038] Working principle: the collecting box 36 and the suction pump 35 can be installed on the deck at the stern of the ship body, one end of the steel cable 40 is fixed at the stern, the arc-shaped cover 1 and the dredging cylinder 2 are integrally placed on the water bottom, the device box 19 and the arc-shaped cover 1 drive the two side fixing covers 12 and the side plates 13 to move, so that the dredging cylinder 2 rolls on the water bottom, in the rolling process of the dredging cylinder 2, the sliding cylinder 4 at the lower position is popped out of the sliding cavity 10 by the reset spring 11, inserted into the deep silt, the large impurities in the silt are filtered through the end and side communication holes 5, the suction pump 35 is started, the dredging cylinder 2 is sucked through the output pipe 34, the connecting pipe 30, the sleeve pipe 31 and the conveying pipe 29, at the same time, the driving motor 23 is started to drive the driving shaft 26 to rotate, so that the first bevel gear 27 drives the second bevel gear 28 to rotate, the second bevel gear 28 drives the rotating rod 8 to make the conveying screw 9 rotate, the silt in the lower sliding cylinder 4 and the fixed cylinder 3 is sucked into the dredging cylinder 2, and then discharged through the conveying pipe 29 on the two sides.

[0039] The sliding cylinder 4 that rolls to the upper position will abut against the slope surface 14 and gradually push the sliding cylinder 4 to slide into the sliding cavity 10, compressing the reset spring 11, at this time, the communication hole 5 on the side surface of the sliding cylinder 4 will slide into the sliding cavity 10 and be blocked by the side wall of the fixed cylinder 3, and the end surface position of the sliding cylinder 4 abuts against the inner wall of the arc-shaped cover 1, preliminarily blocking the communication hole 5 at this position, so that when the suction pump 35 sucks, the silt in the fixed cylinder 3 at the lower position of the dredging cylinder 2 can be preferentially sucked into the dredging cylinder 2, the upper position is mostly water body, at this time, the preliminary blocking of the upper communication hole 5 greatly reduces the suction amount of the upper water body, improving the conveying efficiency of the silt in the suction process.

[0040] It is worth noting that: by pulling the arc-shaped cover 1 and making the dredging cylinder 2 roll on the water bottom, it is ensured that the arc-shaped cover 1 is always in the upper position of the dredging cylinder 2, the rolling state of the dredging cylinder 2 can move more stably on the water bottom, through the multiple groups of fixed cylinders 3 and sliding cylinders 4 arranged on the surface, the gripping force is stronger, and the sliding cylinder 4 can be more deeply inserted into the silt for suction, improving the conveying efficiency, the silt output through the output pipe 34 into the collecting box 36 will be filtered and separated, and the water body is returned to the waterway through the drain pipe 37.

[0041] When the cleaning is completed, the steel cable 40 is wound by the winding device, and the device box 19 and the arc-shaped cover 1 are lifted to the ship body by the crane, so that the recovery operation of the equipment is completed. When it is necessary to clean the inside of the dredging cylinder 2, the electric telescopic rods 20 on the two sides are controlled to push the sliding blocks 17 to slide along the guide grooves 18 to the two sides, so that the side plates 13 move to the two sides together with the sleeve rings 21, the sleeve rings 21 release the sleeving and limiting of the outer walls of the two sides of the dredging cylinder 2, and the mounting cylinder 22 is pulled out from the sleeving cylinder 7 together with the driving motor 23, and the insertion rod 25 is released from the insertion with the insertion groove 24. After that, the dredging cylinder 2 can be taken out from below the arc-shaped cover 1, and the inside of the dredging cylinder 2 can be directly flushed and disinfected.

[0042] When it is necessary to install the dredging cylinder 2, the dredging cylinder 2 is placed between the two groups of side plates 13, the electric telescopic rods 20 are controlled to pull the sliding blocks 17, so that the side plates 13 on the two sides slide to the two ends of the dredging cylinder 2 synchronously, the mounting cylinder 22 is inserted into the sleeving cylinder 7, the insertion rod 25 is inserted with the insertion groove 24, and the sleeve rings 21 on the two sides are sleeved with the outer walls of the dredging cylinder 2. After that, the installation operation of the dredging cylinder 2 is completed.

[0043] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or action from another entity or action, without necessarily requiring or implying that there is any such actual relationship or order between these entities or actions. Moreover, the terms "comprises", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or equipment.

[0044] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A port and waterway dredging device, characterized in that, include: An arc-shaped cover (1) is provided below the arc-shaped cover (1) with a sludge removal cylinder (2); Also includes: The dredging mechanism includes multiple sets of fixed cylinders (3) fixedly installed on the outer wall of the dredging cylinder (2). A sliding cylinder (4) is slidably connected inside the fixed cylinder (3). Multiple sets of connecting holes (5) are opened on the sliding cylinder (4). The arc-shaped cover (1) is provided with a control component (6) for controlling the position of the dredging cylinder (2) and for outputting the sludge inside the dredging cylinder (2). The dredging mechanism can control the position of the dredging cylinder (2) through the control component (6), so that the dredging cylinder (2) can dredge the sludge at the bottom of the water. The sludge is rolled by inserting the lower sliding cylinder (4) into the sludge, allowing the sludge to enter the fixed cylinder (3) and the sludge removal cylinder (2) through the connecting hole (5) and be discharged. The connecting hole (5) on the upper sliding cylinder (4) is automatically closed, reducing the amount of water transported to the upper part of the pumping process and ensuring the transport intensity of sludge to the lower area. The sludge removal mechanism also includes a sleeve cylinder (7) installed inside the sludge removal cylinder (2). Multiple sets of rotating rods (8) are evenly rotatably connected to the sleeve cylinder (7). A conveying screw (9) is fixedly connected to the outer wall of the moving rod (8). The conveying screw (9) passes through the sludge removal cylinder (2) and rotates in contact with the inner wall of the sludge removal cylinder (2) and the fixed cylinder (3). A sliding cavity (10) is provided inside the fixed cylinder (3). The sliding cylinder (4) is slidably connected to the inner wall of the sliding cavity (10). A return spring (11) is fixedly connected inside the sliding cavity (10). One end of the return spring (11) is fixedly connected to the sliding cylinder (4). The sludge removal mechanism also includes a fixed installation on the arc-shaped cover (1). The fixed covers (12) at both ends are provided with side plates (13) inside the fixed covers (12). The top of the sliding cylinder (4) can slide against the inner wall of the arc-shaped cover (1). Both sides of the arc-shaped cover (1) are provided with slopes (14). The outer edge of the sliding cylinder (4) can slide against the slopes (14). The sleeve cylinder (7) is provided with a drive component (15) for synchronously driving multiple sets of rotating rods (8) to rotate. The arc-shaped cover (1) is provided with a disassembly and assembly component (16) for controlling the fixed state of the dredging cylinder (2).

2. The port and waterway dredging device according to claim 1, characterized in that: The disassembly / assembly component (16) includes a sliding block (17) fixedly installed on the side plate (13), a guide groove (18) is provided on the fixed cover (12), the sliding block (17) is slidably connected to the inner wall of the guide groove (18) in the horizontal direction, a device box (19) is fixedly connected on the arc-shaped cover (1), an electric telescopic rod (20) is fixedly connected inside the device box (19), the telescopic end of the electric telescopic rod (20) is fixedly connected to the side of the sliding block (17), and a sleeve ring (21) that can be movably sleeved with the outer walls of both ends of the sludge removal cylinder (2) is fixedly connected on the side plate (13).

3. The port and waterway dredging device according to claim 1, characterized in that: The driving component (15) includes a mounting cylinder (22) fixedly mounted on one side plate (13). A drive motor (23) is fixedly connected inside the mounting cylinder (22). The mounting cylinder (22) is movably sleeved with the inner wall of the sleeve cylinder (7). The output end of the drive motor (23) is provided with a plug slot (24). A plug rod (25) is inserted into the plug slot (24). A drive shaft (26) is coaxially fixedly connected to the plug rod (25). Multiple sets of first bevel gears (27) are coaxially and evenly fixedly connected on the drive shaft (26). A second bevel gear (28) that meshes with the first bevel gears (27) is coaxially fixedly connected on the rotating rod (8). The outer wall of the first bevel gear (27) is rotatably connected to the inner wall of the sleeve cylinder (7).

4. A port and waterway dredging device according to claim 2, characterized in that: The control component (6) includes a conveying pipe (29) fixedly installed in the side plate (13). The bottom end of the conveying pipe (29) can be connected to the sludge removal cylinder (2). A connecting pipe (30) is fixedly connected to the device box (19). Two sets of sleeve pipes (31) are connected to the side of the connecting pipe (30). The conveying pipe (29) is movably sleeved with the inner wall of the sleeve pipe (31). The conveying pipe (29) is connected to the sleeve pipe (31). An output component (32) for outputting sludge is provided on the connecting pipe (30). A moving component (33) for controlling the position of the arc-shaped cover (1) is provided on the device box (19).

5. A port and waterway dredging device according to claim 4, characterized in that: The output component (32) includes an output pipe (34) connected to the upper end of the connecting pipe (30), and a pump (35) is provided at the upper end of the output pipe (34). The output end of the pump (35) is connected to a collection box (36), and a drain pipe (37) is provided on the collection box (36).

6. A port and waterway dredging device according to claim 5, characterized in that: The movable component (33) includes a fixed frame (38) fixedly installed on the device box (19), a rotating shaft (39) rotatably connected to the fixed frame (38), and a steel cable (40) fixedly connected to the rotating shaft (39).

7. A port and waterway dredging device according to claim 6, characterized in that: A guide frame (41) is fixedly connected to the steel cable (40) and slidably sleeved with the outer wall of the output pipe (34).

8. A port and waterway dredging device according to claim 6, characterized in that: The mounting bracket (38) is inclined and positioned above the device box (19).

Images