Combined cutter suction dredger

Abstract

The utility model relates to a combined cutter suction dredger. Comprising a middle buoyancy compartment, and a front-section buoyancy compartment, a middle-section buoyancy compartment and a rear-section buoyancy compartment are arranged on the left side and the right side of the middle buoyancy compartment respectively. The top of the front-section buoyancy compartment and the top of the middle-section buoyancy compartment, the top of the middle-section buoyancy compartment and the top of the rear-section buoyancy compartment, and the top of the middle-section buoyancy compartment and the top of the rear-section buoyancy compartment are fixedly connected through detachable connecting structures. The bottoms of the middle buoyancy compartment, the middle buoyancy compartment and the rear buoyancy compartment are connected through detachable supporting structures; a control chamber is mounted above the middle buoyancy compartment by adopting a plurality of adapters; the bridge frame is provided with a bridge frame mud pipeline, a bridge frame mud pump and a reamer assembly; the upper end of the bridge frame is hinged with the front part of the middle buoyancy cabin; a portal frame is installed on the front portion of the front-section buoyancy compartment, a positioning steel pile assembly is installed on the rear portion of the rear-section buoyancy compartment, and a lifting cable mechanism, a transverse moving cable mechanism and an on-ship mud pipeline are further included. The utility model provides a combined cutter suction dredger, which can be split into a plurality of independent parts, can be transported on the land by adopting an engineering vehicle, and can be assembled and used when arriving at a project site, so that convenience is provided for construction of the cutter suction dredger in an inland water area.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cutter suction dredger equipment, especially relates to a combined cutter suction dredger. BACKGROUND

[0002] The cutter suction dredger is a large-scale dredging equipment, relies on the cutter to carry out excavation to the mud surface of the water bottom, and the mud is transported to the shore or a nearby barge through a mud pipeline by a mud pump arranged on the cutter suction dredger, so that the cutter suction dredger has a wide application in modern dredging construction projects due to its powerful active excavation capacity.

[0003] The cutter suction dredger is a large-scale construction ship, which is usually applied to the dredging construction projects of waterways and ports, and in recent years, the cutter suction dredger is also gradually applied to the dredging projects of rivers, wetlands and lakes in inland areas, especially in the dredging projects of reservoirs, people hope to put the cutter suction dredger into engineering application to reduce the construction period and improve the construction effect. However, the existing cutter suction dredger cannot directly sail to the construction site in the inland area, the navigation of the large cutter suction dredger requires a certain water depth, and the bridges along the way will have an adverse effect on the navigation, and for the inland lakes and reservoirs, the cutter suction dredger cannot reach them at all. Therefore, it is necessary to develop and design a combined cutter suction dredger to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a combined cutter suction dredger, which can be split into multiple independent parts and transported on land by engineering vehicles, and assembled and used at the project site, thereby providing convenience for the cutter suction dredger to conduct construction in inland waters.

[0005] The utility model adopts the technical scheme of a combined cutter suction dredger, which comprises a middle buoyancy cabin, front, middle and rear buoyancy cabins are arranged on the left side and the right side of the middle buoyancy cabin, the top portions of the front and middle buoyancy cabins, the top portions of the middle and rear buoyancy cabins and the top portions of the middle buoyancy cabin and the middle and rear buoyancy cabins are fixedly connected by detachable connecting structures, and the bottom portions of the middle buoyancy cabin and the middle and rear buoyancy cabins are connected by detachable supporting structures; a control room is installed on the upper portion of the middle buoyancy cabin by a plurality of adapter seats; a bridge frame with a mud pipeline, a mud pump and a cutter assembly is further included, and the upper end of the bridge frame is hingedly connected to the front portion of the middle buoyancy cabin; a gantry frame is installed on the front portion of the front buoyancy cabin, a positioning steel pile assembly is installed on the rear portion of the rear buoyancy cabin, and a lifting cable mechanism, a transverse moving cable mechanism and a shipboard mud pipeline are further included.

[0006] Preferably, the detachable connection structure includes a fixed horizontal plate and a connecting vertical plate with a connection hole fixedly connected to the fixed horizontal plate. A reinforcing rib is installed between the fixed horizontal plate and the connecting vertical plate. The fixed horizontal plate is welded and fixed to the compartment. Adjacent connecting vertical plates are fixedly connected by bolts.

[0007] Preferably, the detachable support structure includes a support block with a groove installed on the inner side of the bottom of the outer compartment, a stepped groove is provided on the outer side of the bottom of the middle buoyancy compartment and an interlocking protrusion is provided on the top wall of the stepped groove, the support block is located inside the stepped groove and the interlocking protrusion is embedded in the groove of the support block.

[0008] Preferably, the forward buoyancy chamber is formed by internal bulkheads from front to back into a bow ballast water tank, a first forward empty chamber, and a second forward empty chamber.

[0009] Preferably, the mid-section buoyancy chamber is formed by internal bulkheads from front to back into a storage compartment, a mid-section empty compartment, and a freshwater compartment.

[0010] Preferably, the aft buoyancy chamber is formed by internal bulkheads from front to back into a first fuel tank, a second fuel tank, a third fuel tank, an engine room, and a stern ballast water tank, with a generator installed in the engine room.

[0011] Preferably, a shipborne mud pump and a hydraulic pump station are installed inside the mid-buoyancy chamber, with the ship's mud pipe connected to the outlet of the shipborne mud pump and the bridge mud pipe connected to the inlet of the shipborne mud pump.

[0012] Preferably, an anchor support and an anchor cable mechanism are also installed at the front of the forward buoyancy chamber, and an anchor is provided at the outer end of the anchor support for casting using the anchor cable mechanism.

[0013] Preferably, a U-shaped bow platform is also installed at the front of the gantry, and when the bridge is lifted to a horizontal position by a lifting cable mechanism, the cutterhead assembly is located inside the bow platform.

[0014] Preferably, a bow crane is installed on the forward buoyancy chamber and a stern crane is installed on the aft buoyancy chamber.

[0015] The advantages and positive effects of this utility model are:

[0016] The utility model provides a combined cutter suction dredger, the main part of ship is constituted by the central buoyancy cabin and the two sides' front buoyancy cabin, middle buoyancy cabin and rear buoyancy cabin, the detachable connecting structure of top and the detachable support structure of bottom are used between the adjacent buoyancy cabin section and assemble and connect, still be equipped with the bridge frame and portal frame of modularization with bridge frame sludge pipeline, bridge frame sludge pump and reamer subassembly, still be equipped with the positioning steel pile subassembly, lifting cable mechanism and transverse cable mechanism and on -board sludge pipeline, can therefore this cutter suction dredger split and combine, split and form multiple independent parts and use engineering vehicle to carry on land, reach project site and assemble and use, provide the convenience for the construction of cutter suction dredger in inland water area. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main view structure schematic drawing of the utility model;

[0018] Figure 2 It is the plan structure schematic drawing of the utility model;

[0019] Figure 3 It is the plan structure schematic drawing of the main part of the utility model;

[0020] Figure 4 It is Figure 1 The connecting structure schematic drawing of control room and main part;

[0021] Figure 5 It is Figure 4 The enlarged structure schematic drawing of A part;

[0022] Figure 6 It is Figure 4 The enlarged structure schematic drawing of B part.

[0023] In the drawing:

[0024] 1, anchor; 2, anchor support; 3, bow platform; 4, fender tire; 5, bow crane; 6, anchor cable mechanism; 7, high-voltage electrical assembly; 8, front buoyancy tank; 8-1, bow ballast water tank; 8-2, first empty tank of front section; 8-3, second empty tank of front section; 9, bridge mud pipeline; 10, reamer assembly; 11, bridge mud pump; 12, bridge; 13, transverse moving cable mechanism; 14, middle buoyancy tank; 14-1, storage tank; 14-2, middle empty tank; 14-3, fresh water tank; 15, lifting cable mechanism; 16, control room; 17, stern crane; 18, on-board mud pipeline; 19, rear buoyancy tank; 19-1, first fuel tank; 19-2, second fuel tank; 19-3, third fuel tank; 19-4, engine room; 19-5, stern ballast water tank; 20, positioning steel pile assembly; 21, middle buoyancy tank; 22, on-board mud pump; 23, adapter seat; 25, detachable connecting structure; 25-1, reinforcing rib plate; 25-2, fixed transverse plate; 25-3, connecting vertical plate; 26, detachable support structure; 26-1, embedded convex rib; 26-2, stepped groove; 26-3, support block. DETAILED DESCRIPTION

[0025] In order to further understand the invention, characteristics and effects of the utility model, the following embodiments are described in detail.

[0026] Please refer to Figure 1 , Figure 2 and Figure 3 , the combined cutter suction dredger comprises a middle buoyancy tank 21, a front buoyancy tank 8 and a middle buoyancy tank 14 are arranged on the left side of the middle buoyancy tank 21, and a middle buoyancy tank 14 and a rear buoyancy tank 19 are arranged on the right side of the middle buoyancy tank 21, detachable connecting structures 25 are arranged between the top of the front buoyancy tank 8 and the middle buoyancy tank 14, between the top of the middle buoyancy tank 14 and the rear buoyancy tank 19, and between the top of the middle buoyancy tank 21 and the middle buoyancy tank 14 and the rear buoyancy tank 19, and detachable support structures 26 are arranged between the bottom of the middle buoyancy tank 21 and the middle buoyancy tank 14 and the rear buoyancy tank 19.

[0027] As shown in Figure 3 , the main part of the combined cutter suction dredger is in the shape of H, the three-section tank body structure on the left side and the three-section tank body structure on the right side can be split and combined, and the middle buoyancy tank 21 and the three-section tank body on both sides can be split and combined. After being fully split, the main part of the combined cutter suction dredger is divided into multiple independent tank sections, which can be transported in a split manner by land transportation, and then assembled after reaching the construction project site. The fender tires 4 can be installed on the outside of the three-section tank body structures on both sides to avoid the three-section tank body structures being directly pressed by other ships or when docking.

[0028] The control room 16 is installed above the middle buoyancy cabin 21 by multiple adapters 24, so the control room 16 is also a separate component, which is installed after the assembly of the main body of the ship. As shown in Figure 4 The transverse width of the control room 16 is greater than the width of the middle buoyancy cabin 21 and less than the total width of the main body of the ship, and adapters 24 are arranged between the bottom of the control room 16 and the middle buoyancy cabin 21 and the middle buoyancy cabin 21, which stably support the control room 16 and improve the convenience of disassembly. Specifically, the bottom of the adapter 24 is fixedly connected to the top wall of the middle buoyancy cabin 14 and the middle buoyancy cabin 21 by bolts, and the top of the adapter 24 is fixedly connected to the bottom wall of the control room 16 by bolts.

[0029] Please refer to Figure 5 It can be seen that:

[0030] In this embodiment, the detachable connecting structure 25 includes a fixed horizontal plate 25-2 and a connecting vertical plate 25-3 with connecting holes fixedly connected to the fixed horizontal plate 25-2, and a reinforcing rib plate 25-1 is arranged between the fixed horizontal plate 25-2 and the connecting vertical plate 25-3. The fixed horizontal plate 25-2 is welded and fixed on the cabin section, and the adjacent connecting vertical plates 25-3 are fixedly connected by bolts. As shown in Figure 3 As shown in the figure, the top of the front buoyancy cabin 8 and the middle buoyancy cabin 14 on each side is fixed to the detachable connecting structure 25 by bolts, and the top of the middle buoyancy cabin 24 and the rear buoyancy cabin 19 is fixed to the detachable connecting structure 25 by bolts. The front of the middle buoyancy cabin 21 and the middle buoyancy cabin 14, the middle and the middle buoyancy cabin 14, and the rear and the rear buoyancy cabin 19 are fixed to the detachable connecting structure 25 by bolts.

[0031] Please refer to Figure 6 It can be seen that in this embodiment,

[0032] The detachable supporting structure 26 includes a supporting block 26-3 with a groove arranged on the inner side of the bottom of the outer cabin section (the middle buoyancy cabin 14 and the rear buoyancy cabin 19), and a stepped groove 26-2 is arranged on the outer side of the bottom of the middle buoyancy cabin 21, and a fitting convex rib 26-1 is arranged on the top wall of the stepped groove 26-2. The supporting block 26-2 is located in the stepped groove 26-2, and the fitting convex rib 26-1 is embedded in the groove of the supporting block 26-3. When the main body of the ship is assembled, the lower detachable supporting structure 26 is combined first, and then the upper detachable connecting structure 25 is bolted.

[0033] In this embodiment, the front buoyancy cabin 8 is divided into bow ballast water cabin 8-1, front first empty cabin 8-2 and front second empty cabin 8-3 by the cabin partition from front to back, the bow ballast water cabin 8-1 is used to load ballast water to improve stability, and the front first empty cabin 8-2 and the front second empty cabin 8-3 are used to provide buoyancy of the ship.

[0034] In this embodiment, the middle buoyancy cabin 14 is divided into storage cabin 14-1, middle empty cabin 14-2 and fresh water cabin 14-3 by the cabin partition from front to back, the storage cabin 14-1 is used to store ship supplies, and is provided with an entrance and a staircase leading to the cabin, the middle empty cabin 14-2 is used to provide buoyancy of the ship, and the fresh water cabin 14-3 is used to store fresh water.

[0035] In this embodiment, the rear buoyancy cabin 19 is divided into first fuel cabin 19-1, second fuel cabin 19-2, third fuel cabin 19-3, engine cabin 19-4 and stern ballast water cabin 19-5 by the cabin partition from front to back, the generator 23 is installed in the engine cabin 19-4, the first fuel cabin 19-1, the second fuel cabin 19-2 and the third fuel cabin 19-3 are used to store fuel, the generator 23 uses fuel to generate electricity to provide power supply for the whole ship, the stern ballast water cabin 19-5 is used to load ballast water to improve stability. The high-voltage electrical assembly 7 is installed on the middle buoyancy cabin 14, the generator 23 is connected with the high-voltage electrical assembly 7 through a cable to realize power supply, and other electrical facilities are connected with the power supply end of the high-voltage electrical assembly 7 through a cable.

[0036] It also includes a bridge 12 with a bridge mud pipeline 9, a bridge mud pump 11 and a reamer assembly 10, the upper end of the bridge 12 is hingedly connected with the front part of the middle buoyancy cabin 21. A gantry is installed at the front part of the front buoyancy cabin 8, a positioning steel pile assembly 20 is installed at the rear part of the rear buoyancy cabin 19, and a lifting cable mechanism 15 and a transverse moving cable mechanism 13 and a ship mud pipeline 18 are also included.

[0037] The cutter assembly 10 is composed of a cutter and a hydraulic motor, when the bridge 12 is lowered, the cutter assembly 10 is lowered to the bottom of the water, the cutter assembly produces a cutting effect on the bottom of the water, the bridge mud pump 11 produces an extraction effect, the mud formed by the cutter assembly 10 enters the mud suction port at the rear, and is transported upward by the bridge mud pipeline 9. The lifting and lowering of the bridge 12 is controlled by the lifting cable mechanism 15, specifically, the lifting cable mechanism 15 is a lifting winch, a pulley assembly is installed at the outer end of the gantry and the bridge 12, the steel cable wound and unwound by the lifting winch is connected with the bridge 12 through the pulley assembly, and the lifting and lowering of the bridge 12 and its attached components are controlled by winding and unwinding the steel cable. When the cutter suction construction is carried out, the bridge 12 also needs to drive the cutter assembly 10 to swing left and right at a certain angle, and the swinging action of the bridge 12 is performed by the transverse moving cable mechanism 13, which is a transverse moving winch. The transverse moving winch is installed at the root position of the bridge 12, and the left and right swinging actions of the bridge 12 are controlled by controlling the movement of the transverse moving cable.

[0038] The positioning steel pile assembly 20 is used for positioning and moving the cutter suction dredger, and includes a fixed positioning steel pile and a positioning steel pile carried by a trolley. During the construction, both of the positioning steel piles are inserted into the bottom of the water, and when the cutter suction dredger needs to be moved, one of the positioning steel piles is lifted to be separated from the bottom of the water, then the trolley is moved, and then the positioning steel pile is inserted into the bottom of the water again, and then the other positioning steel pile is lifted, and then the cutter suction dredger is moved to the position and the positioning steel pile is inserted into the bottom of the water again.

[0039] In the embodiment, the ship-mounted mud pump 22 and the hydraulic pump station are installed in the middle buoyancy cabin 21, the ship mud pipeline 18 is connected with the outlet of the ship-mounted mud pump 22, and the bridge mud pipeline 9 is connected with the inlet of the ship-mounted mud pump 22. The mud obtained by the cutter assembly 10 reaches the ship-mounted mud pump 22 along the bridge mud pipeline 9 under the action of the bridge mud pump 11, and then enters the ship mud pipeline 18 under the action of the ship-mounted mud pump 22. The ship mud pipeline 18 usually extends to the stern of the ship and is provided with an interface, and during the construction, the self-floating mud pipeline on the water is connected with the ship mud pipeline 18, and the excavated mud is transported to the land through the self-floating mud pipeline on the water under the strong pumping action of the ship-mounted mud pump 22.

[0040] The anchor support 2 and the anchor cable mechanism 6 are also installed at the front of the front buoyancy cabin 8, the anchor 1 is arranged at the outer end of the anchor support 2 and is thrown by the anchor cable mechanism 6, the anchor cable mechanism 6 is an anchor cable winch, the anchor cable is wound and unwound by the anchor cable winch to realize the throwing and lifting of the anchor, and the anchor 1 is thrown to the nearby water area during the construction to anchor the ship and improve the stability.

[0041] In this embodiment, a U-shaped bow platform 3 is also installed at the front of the gantry, and when the bridge 12 is lifted to the horizontal position by the lifting cable mechanism 15, the reamer assembly 10 is located inside the bow platform 3, which facilitates cleaning and maintenance of the reamer assembly 10. When the reamer assembly 10 needs to be repaired and maintained due to problems such as foreign matter being jammed and cutter teeth being damaged, the bridge 12 is lifted to the horizontal position, and the maintenance personnel on the bow platform 3 can perform the work.

[0042] In this embodiment, a bow crane 5 is installed on the front buoyancy chamber 8, and a stern crane 17 is installed on the rear buoyancy chamber 19. The bow crane 5 and the stern crane 17 are used to lift materials.

Claims

1. A combined cutter-suction dredger, characterized in that: The utility model provides a kind of floating platform, including middle buoyancy cabin (21), front section buoyancy cabin (8), middle section buoyancy cabin (14) and rear section buoyancy cabin (19) are respectively arranged in the left side and right side of middle buoyancy cabin (21), detachable connecting structure (25) is fixedly connected between the top of front section buoyancy cabin (8) and middle section buoyancy cabin (14), middle section buoyancy cabin (14) and rear section buoyancy cabin (19), middle buoyancy cabin (21) and middle section buoyancy cabin (14) and rear section buoyancy cabin (19), detachable supporting structure (26) is connected between the bottom of middle buoyancy cabin (21) and middle section buoyancy cabin (14) and rear section buoyancy cabin (19);Multiple adapter seats (24) are installed with control room (16) in the upper of middle buoyancy cabin (21);It further includes bridge (12) with bridge mud pipeline (9), bridge mud pump (11) and reamer assembly (10), the upper end of bridge (12) is hingedly connected with the front of middle buoyancy cabin (21);Portal frame is installed in the front of front section buoyancy cabin (8), and positioning steel pile assembly (20) is installed in the rear of rear section buoyancy cabin (19), further comprising lifting cable mechanism (15) and horizontal moving cable mechanism (13) and on-board mud pipeline (18).

2. The combinational cutter suction dredger according to claim 1, characterized in that: Detachable connecting structure (25) includes fixed horizontal plate (25-2) and connecting vertical plate (25-3) with connecting hole, and reinforcing rib plate (25-1) is installed between fixed horizontal plate (25-2) and connecting vertical plate (25-3), and fixed horizontal plate (25-2) is welded and fixed on the cabin section, and adjacent connecting vertical plate (25-3) is fixedly connected by bolt.

3. The combinational cutter suction dredger according to claim 2, characterized in that: Detachable supporting structure (26) includes supporting block (26-3) with recess installed on the inner side of the bottom of outer cabin section, and step groove (26-2) is arranged on the outer side of the bottom of middle buoyancy cabin (21), and the top wall of step groove (26-2) is provided with embedded convex rib (26-1), and supporting block (26-3) is located in the inside of step groove (26-2), and embedded convex rib (26-1) is embedded into the recess of supporting block (26-3).

4. The combinational cutter suction dredger according to claim 3, characterized in that: Front section buoyancy cabin (8) uses cabin inner baffle to form bow ballast water tank (8-1), front section first empty cabin (8-2) and front section second empty cabin (8-3) in order from front to back.

5. The combinational cutter suction dredger according to claim 4, characterized in that: Middle section buoyancy cabin (14) uses cabin inner baffle to form storage cabin (14-1), middle section empty cabin (14-2) and fresh water tank (14-3) in order from front to back.

6. The combinational cutter suction dredger according to claim 5, characterized in that: Rear section buoyancy cabin (19) uses cabin inner baffle to form first fuel tank (19-1), second fuel tank (19-2), third fuel tank (19-3), ship engine cabin (19-4) and stern ballast water tank (19-5) in order from front to back, and generator (23) is installed in ship engine cabin (19-4).

7. The integrated cutter-suction dredger according to claim 6, characterized in that the cutter ladder (3) is arranged in the bow area of the vessel (1) and in that the suction tube (2) is arranged in the stern area of the vessel (1). Middle buoyancy cabin (21) is installed with on-board mud pump (22) and hydraulic pump station, on-board mud pipeline (18) is connected with the outlet of on-board mud pump (22), and bridge mud pipeline (9) is connected with the inlet of on-board mud pump (22).

8. The combinational cutter suction dredger according to claim 7, characterized in that: An anchor bracket (2) and an anchor cable mechanism (6) are also installed on the front of the front buoyancy chamber (8), and an anchor (1) is provided on the outer end of the anchor bracket (2) and is thrown by the anchor cable mechanism (6).

9. The integrated cutter-suction dredger according to claim 8, characterized in that the cutter ladder (3) is arranged in the bow area of the vessel (1) and in that the suction tube (2) is arranged in the stern area of the vessel (1). A U-shaped bow platform (3) is also installed on the front of the gantry, and when the bridge (12) is lifted to the horizontal position by the lifting cable mechanism (15), the reamer assembly (10) is located on the inner side of the bow platform (3).

10. The combinational cutter suction dredger according to claim 9, characterized in that: A bow crane (5) is installed on the front buoyancy chamber (8), and a stern crane (17) is installed on the rear buoyancy chamber (19).

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