A dredging system for a tidal area

Abstract

The utility model provides a kind of dredging system of mud flat area, including ship body, stirring suction head, stirring suction pipe, support arm, suspension hydraulic arm, water storage cavity and sewage pump;Support arm is installed on ship body;Winch wheel is equipped on ship body, located support arm rear side;Steel rope is pulled between winch wheel and support arm top end;Support arm top side is equipped with adapter bar;Suspension hydraulic arm is hinged with adapter bar;Stirring suction pipe is equipped below suspension hydraulic arm, and stirring suction pipe tail end is hinged with ship body;Water storage cavity and sewage pump are installed on ship body;Water delivery pipe and first sewage delivery pipe are arranged in stirring suction pipe;Water delivery pipe tail end is connected with water pump, and water delivery pipe front end is connected with stirring suction head;First sewage delivery pipe is connected between stirring suction head and sewage pump;Sewage pump water outlet is connected with second sewage delivery pipe.The utility model solves the technical problems that traditional mud flat dredging equipment is single in function, cannot efficiently assist cofferdam construction, is insufficient in moving flexibility and completely does not have land operation ability.

Description

Technical Field

[0001] This utility model belongs to the field of environmental governance equipment technology, and in particular to a stirring and suction system for dredging tidal flats. Background Technology

[0002] Siltation management in tidal flat areas is a crucial aspect of ecological restoration and waterway maintenance. Currently, the mainstream dredging equipment consists of cutter suction dredgers or small floating platforms. Traditional dredging and mixing vessels are mainly used for underwater silt extraction and transportation, offering limited functionality and exhibiting the following limitations:

[0003] 1. Inefficient support for cofferdam construction: Sandbag filling for cofferdams requires additional equipment, which is inefficient and costly.

[0004] 2. Insufficient mobility: Traditional ships rely on propellers or tracks for propulsion, making them poorly adaptable to shallow waters or narrow areas.

[0005] 3. Lack of land operation capability: It cannot be directly used for land sand mixing or foundation treatment. This utility model solves the above problems by improving the hull structure and functional modules, integrating sand suction, water jet propulsion, and land operation functions. Utility Model Content

[0006] The purpose of this invention is to provide a stirring and suction system for dredging tidal flats, which aims to solve the technical problems of traditional tidal flat dredging equipment, such as limited functionality, inability to efficiently assist in cofferdam construction, insufficient mobility, poor adaptability to shallow and narrow water areas, and complete lack of land operation capability.

[0007] To achieve the above objectives, the present invention adopts the following technical solution.

[0008] A dredging and suction system for tidal flats includes a hull; it also includes a suction head, a suction pipe, a support arm, a suspended hydraulic arm, a water storage chamber, and a sludge pump; the support arm is mounted on the hull near the front end, and its bottom end is hinged to the hull; a winch is mounted on the hull, located behind the support arm; a steel cable is strung between the winch and the top of the support arm; a connecting rod is mounted on one side of the top of the support arm; the suspended hydraulic arm is located on one side of the hull, and its upper end is hinged to the connecting rod; the suction pipe is... The agitator is positioned below the suspended hydraulic arm, with its end hinged to the hull and its top front hinged to the suspended hydraulic arm. The water storage chamber and the sludge pump are mounted on the hull near the rear end, with a sludge pump located on one side of the water storage chamber. A water delivery pipe and a first sludge discharge pipe are threaded through the agitator. The end of the water delivery pipe is connected to the sludge pump, and the front end is connected to the agitator. The front end of the first sludge discharge pipe is connected to the agitator, and the end of the first sludge discharge pipe is connected to the inlet of the sludge pump. A second sludge discharge pipe is connected to the outlet of the sludge pump.

[0009] Preferably, the hull is equipped with an operating room, and a power propeller is located on the lower rear side of the hull.

[0010] Preferably, a first motor is provided on the hull; the shaft of the first motor is connected to the winch wheel or the first motor is connected to the winch wheel through a gear pair, and the first motor drives the winch wheel to rotate.

[0011] Preferably, a base is provided on the side of the hull; the end of the agitator pipe is hinged to the base; the water supply pipe and the first sewage discharge pipe both pass through the base.

[0012] Preferably, the agitator includes a mounting base, a sludge suction head, and an agitator shaft; the mounting base is connected to the front end of the agitator pipe, and the mounting base has an internal cavity; the water supply pipe and the first sewage discharge pipe both pass through the mounting base; a high-pressure water spray head is provided at the front end of the water supply pipe; a second motor is provided in the cavity of the mounting base; there are at least two agitator shafts, spaced apart and mounted on the front side of the mounting base, and the agitator shafts are connected to the output end of the second motor; agitator blades are spirally arranged on the outer surface of the agitator shafts; the high-pressure water spray head is positioned facing the agitator blades; the sludge suction head is located in the middle of the front side of the mounting base and communicates with the first sewage discharge pipe; a filter device is provided at the connection position between the sludge suction head and the first sewage discharge pipe; the filter device can be a filter screen.

[0013] Compared with the prior art, this utility model has the following features and beneficial effects.

[0014] 1. This utility model integrates multiple functions: underwater dredging, cofferdam filling, and land agitation and suction. The underwater spraying and land agitation and suction modules of this device share the same power system, core power system (such as water pump and sewage pump) and main pipelines (water delivery pipe, first sewage delivery pipe and second sewage delivery pipe), which significantly reduces redundant equipment configuration and lowers purchase and maintenance costs.

[0015] 2. This utility model is equipped with a high-pressure water jet head and a sludge suction head on the agitator head. Through the water jet-suction linkage design, it can realize land agitation and suction, reduce intermediate links and eliminate the need for multi-equipment coordination and scheduling, thus shortening the construction period. When land agitation is required, the bow of the ship only needs to be facing the land so that the agitator pipe and agitator head can be extended above the land to realize the agitation of the land near the water.

[0016] 3. This utility model, through its unique support arm, suspension hydraulic arm system, and hinged structure at the end of the suction pipe, can stably hoist, support, and precisely position the suction head on the land working surface, breaking through the limitation of traditional dredging vessels being unable to leave the water and realizing seamless operation capability from water to land.

[0017] 4. The construction efficiency and convenience of this utility model are greatly improved: The mud and sand sucked by the suction head and the filling of the cofferdam can be completed continuously on the same platform. The suction mud and sand are discharged to the designated location through the second sewage conveying pipe for cofferdam filling. This process eliminates intermediate material transfer and additional filling equipment, and greatly shortens the construction period. Attached Figure Description

[0018] The present invention will now be described in further detail with reference to the accompanying drawings.

[0019] Figure 1 This is a schematic diagram of the agitation and suction system for dredging tidal flats according to this utility model.

[0020] Figure 2 This is a schematic diagram of the structure of the stirring head in this utility model.

[0021] Figure 3 This is a schematic diagram of the connection structure of the suspension hydraulic arm, support arm and adapter rod in this utility model.

[0022] Reference numerals in the attached drawings: 1-Operator's room, 2-Water storage chamber, 3-First sewage discharge pipe, 4-Sewage pump, 5-Powered propeller, 6-Hull, 7-Water supply pipe, 7.1-Divider pipe, 8-Water pump, 9-Agitator head, 9.1-High-pressure spray head, 9.2-Agitator shaft, 9.3-Agitator blade, 9.4-Mounting base, 9.5-Second motor, 9.6-Sludge suction head, 9.7-Filter device, 10-Agitator pipe, 11-Support arm, 12-Steel rope, 13-Windlass wheel, 14-First motor, 15-Suspension hydraulic arm, 16-Adapter rod, 17-Base, 18-Second sewage discharge pipe, 19-Check valve. Detailed Implementation

[0023] like Figure 1-3 As shown, this dredging system for tidal flats includes a hull 6; it also includes a suction head 9, a suction pipe 10, a support arm 11, a suspended hydraulic arm 15, a water storage chamber 2, and a sludge pump 4. The support arm 11 is mounted on the hull 6 near the front end, and its bottom end is hinged to the hull 6. A winch wheel 13 is mounted on the hull 6, located behind the support arm 11. A steel cable 12 is strung between the winch wheel 13 and the top of the support arm 11. The winch wheel 13 controls the winding and unwinding of the steel cable 12, thereby controlling the tilt angle of the support arm 11 and the raising and lowering of its top end. The angle between the support arm 11 and the hull 6 section in front of the support arm 11 is less than 90 degrees. A transition rod 16 is mounted on one side of the top of the support arm 11. The suspended hydraulic arm 15 is mounted on the hull 6... The upper end of the suspension hydraulic arm 15 is hinged to the adapter rod 16; the agitator 10 is located below the suspension hydraulic arm 15, the end of the agitator 10 is hinged to the hull 6, and the front top of the agitator 10 is hinged to the suspension hydraulic arm 15; the suspension hydraulic arm 15 controls the lifting and lowering of the front end of the agitator 10; the water storage chamber 2 and the sludge pump 4 are installed on the hull 6 near the rear end; a water pump 8 is provided on one side of the water storage chamber 2; a water supply pipe 7 and a first sludge discharge pipe 3 are passed through the agitator 10; the end of the water supply pipe 7 is connected to the water pump 8, and the front end of the water supply pipe 7 is connected to the agitator head 9; the front end of the first sludge discharge pipe 3 is connected to the agitator head 9, and the end of the first sludge discharge pipe 3 is connected to the inlet end of the sludge pump 4; the outlet end of the sludge pump 4 is connected to the second sludge discharge pipe 18.

[0024] In this embodiment, an operating room 1 is provided on the hull 6, and a power propeller 5 is provided on the lower rear side of the hull 6; the power propeller 5 is used to drive the hull 6 forward; the winch wheel 13 and the support arm 11 are located on the front side of the operating room 1, and the water storage chamber 2 and the sewage pump 4 are located on the rear side of the operating room 1.

[0025] In this embodiment, a first motor 14 is provided on the hull 6; the first motor 14 is connected to the winch wheel 13 through a gear pair, and the first motor 14 drives the winch wheel 13 to rotate. The rotation of the winch wheel 13 realizes the winding and unwinding of the steel cable 12, thereby realizing the purpose of the first motor 14 driving the support arm 11.

[0026] In this embodiment, the gear pair includes a pinion and a large gear; the pinion is connected to the first motor 14 and rotated by the first motor 14; the large gear is connected to the winch wheel 13 via a drive shaft, and the large gear and the winch wheel 13 are coaxially arranged; the large gear meshes with the pinion. That is, the output shaft of the first motor 14 -> pinion -> meshing -> large gear -> drive shaft -> bearing seat -> turntable.

[0027] Of course, in other embodiments, the shaft of the first motor 14 can be directly connected to the central shaft of the winch wheel 13.

[0028] In this embodiment, a base 17 is provided on the side of the hull 6; the end of the agitator pipe 10 is hinged to the base 17; the water supply pipe 7 and the first sewage discharge pipe 3 both pass through the base 17.

[0029] In this embodiment, the agitator head 9 includes a mounting base 9.4, a sludge suction head 9.6, and an agitator shaft 9.2; the mounting base 9.4 is connected to the front end of the agitator pipe 10, and a cavity is provided inside the mounting base 9.4; both the water supply pipe 7 and the first sewage discharge pipe 3 pass through the mounting base 9.4; a high-pressure water spray head 9.1 is provided at the front end of the water supply pipe 7; a second motor 9.5 is provided in the cavity of the mounting base 9.4; there are at least two agitator shafts 9.2, which are installed at intervals on the mounting base 9.4. On the front side, the agitator 9.2 is connected to the output end of the second motor 9.5; the outer surface of the agitator 9.2 is provided with a spiral agitator blade 9.3; the high-pressure water spray head 9.1 is positioned facing the agitator blade 9.3; the sludge suction head 9.6 is located in the middle of the front side of the mounting base 9.4 and is connected to the first sewage discharge pipe 3; a filter device 9.7 is provided at the connection position between the sludge suction head 9.6 and the first sewage discharge pipe 3; the filter device 9.7 can be a filter screen.

[0030] In this embodiment, the front end of the water supply pipe 7 is provided with a multi-port pipe joint, and multiple water distribution pipes 7.1 are connected through the multi-port pipe joint; the number of water distribution pipes 7.1 is adapted to the number of agitator shafts 9.2, and they are respectively located near the agitator shafts 9.2; the high-pressure water spray head 9.1 is connected to the front end of the water distribution pipe 7.1, and the high-pressure water spray head 9.1 faces the agitator blade 9.3 on the corresponding agitator shaft 9.2.

[0031] In this embodiment, the base 17 at the end of the suction pipe 10 provides support for the entire suction head 9. After being processed by the front suction head 9, the waste enters the external treatment equipment along the first sewage conveying pipe 3. A check valve 19 is installed on the first sewage conveying pipe 3. The first sewage conveying pipe 3, the second sewage conveying pipe, the check valve 19, and the sewage pump 4 provide waste transportation for the entire pipeline. The water pump 8 supplies water from the water storage chamber 2 to the high-pressure water nozzle of the suction head 9 for high-pressure flushing and agitation. The stirring shaft 9.2 has an adjustable rotation speed to adapt to sand or silt conditions.

[0032] In this embodiment, lifting lugs are added to both sides of the hull 6, which can be quickly deployed to the land operation point by crane. In conjunction with the first sewage conveying pipe 3 and the high-pressure water spray head 9.1, water is sprayed to soften the sand and soil and then the mixed mud is pumped out simultaneously.

[0033] The above embodiments are not exhaustive examples of specific implementation methods, and other embodiments may also exist. The purpose of the above embodiments is to illustrate the present utility model, rather than to limit the protection scope of the present utility model. All applications derived from simple variations of the present utility model fall within the protection scope of the present utility model.

Claims

1. A dredging and suction system for tidal flats, comprising a hull (6); characterized in that: It also includes a suction head (9), a suction pipe (10), a support arm (11), a suspension hydraulic arm (15), a water storage chamber (2), and a sludge pump (4); the support arm (11) is installed on the hull (6) near the front end of the hull (6), and the bottom end of the support arm (11) is hinged to the hull (6); a winch wheel (13) is provided on the hull (6) at the rear side of the support arm (11); a steel cable (12) is strung between the winch wheel (13) and the top end of the support arm (11); a transition rod (16) is provided on one side of the top of the support arm (11); the suspension hydraulic arm (15) is located on one side of the hull (6), and the upper end of the suspension hydraulic arm (15) is hinged to the transition rod (16); the suction pipe (10) is located on the suspension... Below the hydraulic boom (15), the end of the suction pipe (10) is hinged to the hull (6), and the front top of the suction pipe (10) is hinged to the hydraulic boom (15); the water storage chamber (2) and the sludge pump (4) are installed on the hull (6) near the rear end; a water pump (8) is provided on one side of the water storage chamber (2); a water supply pipe (7) and a first sludge conveying pipe (3) are installed inside the suction pipe (10); the end of the water supply pipe (7) is connected to the water pump (8), and the front end of the water supply pipe (7) is connected to the suction head (9); the front end of the first sludge conveying pipe (3) is connected to the suction head (9), and the end of the first sludge conveying pipe (3) is connected to the inlet of the sludge pump (4); the outlet of the sludge pump (4) is connected to the second sludge conveying pipe (18).

2. The agitation and suction system for dredging tidal flats according to claim 1, characterized in that: An operating room (1) is provided on the hull (6), and a power propeller (5) is provided on the lower rear side of the hull (6).

3. The agitation and suction system for dredging tidal flats according to claim 1, characterized in that: The hull (6) is equipped with a first motor (14); the shaft of the first motor (14) is connected to the winch wheel (13) or the first motor (14) is connected to the winch wheel (13) through a gear pair, and the first motor (14) drives the winch wheel (13) to rotate.

4. The agitation and suction system for dredging tidal flats according to claim 1, characterized in that: A base (17) is provided on the side of the hull (6); the end of the agitator pipe (10) is hinged to the base (17); the water supply pipe (7) and the first sewage discharge pipe (3) both pass through the base (17).

5. The agitation and suction system for dredging tidal flats according to claim 1, characterized in that: The agitator (9) includes a mounting base (9.4), a sludge suction head (9.6), and an agitator shaft (9.2); the mounting base (9.4) is connected to the front end of the agitator pipe (10), and a cavity is provided inside the mounting base (9.4); the water supply pipe (7) and the first sewage discharge pipe (3) both pass through the mounting base (9.4); a high-pressure water spray head (9.1) is provided at the front end of the water supply pipe (7); a second motor (9.5) is provided in the cavity of the mounting base (9.4); there are at least two agitator shafts (9.2), which are installed at intervals on the mounting base. On the front side of the mounting base (9.4), the stirring shaft (9.2) is connected to the output end of the second motor (9.5); the outer surface of the stirring shaft (9.2) is provided with a stirring blade (9.3) in a spiral shape; the high-pressure water spray head (9.1) is positioned facing the stirring blade (9.3); the sludge suction head (9.6) is located in the middle of the front side of the mounting base (9.4) and is connected to the first sewage conveying pipe (3); a filter device (9.7) is provided at the connection position between the sludge suction head (9.6) and the first sewage conveying pipe (3).

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