Small dredging ship

Abstract

The utility model discloses a small-sized dredger, which relates to the technical field of dredgers, and comprises a dredger body and a dredging device positioned below the dredger body, the dredging device comprises a cutter suction head for rolling up sludge, a grating for isolating garbage is arranged on the cutter suction head, a dismounting assembly is arranged between the grating and the cutter suction head, and the dismounting assembly is connected with the dredger body. The grating is detachably connected with the cutter suction head through the dismounting and mounting assembly, the grating can be directly dismounted through the dismounting and mounting assembly, the grating can be dismounted without being dismounted after a dredging ship goes ashore, in this way, the grating can be directly replaced, the deformed grating can be independently maintained, and the time for cleaning underwater sludge cannot be affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a dredging ship technical field especially small -size dredging ship. BACKGROUND

[0002] At present, the cutter suction dredging ship is used for the dredging operation of large rivers, river-sea waterways, but there is no dredging equipment with simple operation, convenient transportation, safe use and environmental protection for the relatively closed and small places such as urban rivers, reservoirs and ponds. At present, when the dredging operation is carried out in the above-mentioned urban rivers, reservoirs and ponds, the water area is usually dried, and the excavator and other engineering mechanical equipment are used for cleaning.

[0003] Regarding a small dredging ship, through the search, the application number is CN201720213890.3, a remote control type dredging ship is disclosed, which can realize remote operation and remote control, avoids the operation personnel entering the black and odorous field, provides a relatively comfortable working environment for the operation personnel, reduces the labor intensity of the operation personnel, and the whole machine is small in size, light in weight, convenient to transport, and well adapted to the use of the relatively closed and small places such as urban rivers, but when the grid is used to block the garbage, some hard objects are easily encountered, which causes the grid to deform and cannot play the original effect of blocking the garbage. If the grid needs to be replaced or repaired, the whole dredging ship needs to be landed on the shore, which is convenient for maintaining the grid, but undoubtedly prolongs the whole time of cleaning the bottom silt. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a small dredging ship to overcome the problem of long time for disassembling and maintaining the grid.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a small dredging ship, which comprises a ship body and a dredging device located below the ship body, the dredging device comprises a cutter suction head for rolling up silt, a grid for isolating garbage is arranged on the cutter suction head, a disassembling and assembling component is arranged between the grid and the cutter suction head, and the grid is detachably connected with the cutter suction head through the disassembling and assembling component.

[0006] As a further scheme of the utility model, the disassembling and assembling component comprises a connecting plate and a connecting groove for the connecting plate, the connecting plate is connected to the grid, and the connecting groove is arranged on the outer side of the cutter suction head.

[0007] As a further scheme of the utility model, the disassembling and assembling component further comprises a limiting groove arranged on the side wall of the connecting groove and a limiting plate arranged on the connecting plate and matched with the limiting groove, and the limiting plate and the limiting groove form a sliding connection.

[0008] As a further scheme of the utility model: the suction head is equipped with a placing cavity, the placing cavity is equipped with a limiting lug, the limiting lug has a limiting position for limiting the connecting plate inside the connecting groove and an unlocking position for removing the limitation of the connecting plate, the placing cavity is equipped with an elastic piece for keeping the limiting lug at the limiting position.

[0009] As a further scheme of the utility model: the elastic piece comprises a metal elastic sheet, the metal elastic sheet comprises a moving part and a reset part, the moving part is used for driving the limiting lug to and fro between the limiting position and the unlocking position, and the reset part is used for keeping the moving part and the limiting lug at the limiting position.

[0010] As a further scheme of the utility model: the suction head comprises a mounting plate and a sludge rolling mechanism mounted below the mounting plate and used for rolling sludge, and the dismounting assembly is located in the mounting plate.

[0011] As a further scheme of the utility model: the ship body is equipped with a sludge suction pump above, one side of the sludge suction pump is equipped with a hose, and one end of the hose is connected with the sludge rolling mechanism.

[0012] As a further scheme of the utility model: the ship body is equipped with a telescopic structure connected with the suction head, and the telescopic structure can drive the suction head to relatively move away from or relatively move close to the ship body.

[0013] As a further scheme of the utility model: the telescopic structure comprises two connecting shells, the two connecting shells are both equipped with a movable plate, the movable plate and the connecting shell form a sliding connection, and the bottom end of the movable plate extends out of the connecting shell and is connected with the suction head.

[0014] As a further scheme of the utility model: the ship body is equipped with a motor, one side of the motor is equipped with a gear, the motor is connected with the gear through a driving shaft, the ship body is rotatably connected with a roller shaft, the roller shaft is equipped with gear teeth matched with the gear, and the surface of the roller shaft is wound with a pull rope connected with the movable plate.

[0015] Compared with the prior art, the beneficial effects of the technical scheme are that the grating can be directly disassembled through the dismounting assembly, the grating does not need to be disassembled after the dredging ship is landed, the deformed grating can be directly replaced and repaired, and the time for cleaning the sludge on the water bottom is not affected.

[0016] The additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0018] Figure 1 is a schematic view of the overall structure of the present application from the top;

[0019] Figure 2 is a schematic view of the overall structure of the present application from the side;

[0020] Figure 3 is a schematic view of the dredging device of the present application from the side;

[0021] Figure 4 is a schematic view of the telescopic structure of the present application from the back;

[0022] Figure 5 is a schematic view of the mounting plate of the present application from the side;

[0023] Figure 6 is Figure 5 is an enlarged schematic view of the local structure at A in

[0024] The corresponding label explanations in the drawings are as follows:

[0025] 1, hull; 2, dredging device; 21, suction head; 211, mounting plate; 212, mud rolling mechanism; 22, placement cavity; 23, limiting protrusion; 24, elastic member; 241, metal elastic sheet; 3, grating; 31, disassembly and assembly component; 32, connecting plate; 33, connecting groove; 34, limiting groove; 35, limiting plate; 36, groove; 4, mud suction pump; 41, hose; 5, telescopic structure; 51, connecting shell; 52, movable plate; 6, motor; 61, gear; 62, roller; 63, tooth. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Please refer to Figures 1-6The utility model provides a small-sized dredging ship, which comprises a ship body 1 and a dredging device 2 located below the ship body 1, wherein the dredging device 2 comprises a dredging head 21 for rolling up silt, a grid 3 for isolating garbage is arranged on the dredging head 21, a detachable assembly 31 is arranged between the grid 3 and the dredging head 21, and the grid 3 is detachably connected to the dredging head 21 through the detachable assembly 31.

[0028] As a further aspect of the utility model: the detachable assembly 31 comprises a connecting plate 32 and a connecting groove 33 for the connecting plate 32, the connecting plate 32 is connected to the grid 3, the connecting groove 33 is arranged on the outer side of the dredging head 21, the detachable assembly 31 further comprises a limiting groove 34 arranged on the side wall of the connecting groove 33 and a limiting plate 35 arranged on the connecting plate 32 and matched with the limiting groove 34, the limiting plate 35 is slidably connected to the limiting groove 34, a placing cavity 22 is arranged in the dredging head 21, a limiting protrusion 23 is arranged in the placing cavity 22, the limiting protrusion 23 has a limiting position for limiting the connecting plate 32 in the connecting groove 33 and an unlocking position for releasing the limitation of the connecting plate 32, an elastic element 24 is arranged in the placing cavity 22 and used for keeping the limiting protrusion 23 at the limiting position, the elastic element 24 comprises a metal spring 241, the metal spring 241 comprises a moving part and a reset part, the moving part is used for driving the limiting protrusion 23 to move back and forth between the limiting position and the unlocking position, and the reset part is used for keeping the moving part and the limiting protrusion 23 at the limiting position, a groove 36 matched with the limiting protrusion 23 is arranged on the connecting plate 32, and when the connecting plate 32 is located in the connecting groove 33, the limiting protrusion 23 is located in the limiting position and the groove 36, when the grid 3 is damaged, the grid 3 can be detached and replaced in water through the connecting groove 33 and the connecting plate 32, so that the grid can be directly and individually maintained, and the time required for cleaning the silt on the bottom of water is reduced.

[0029] When the grid 3 is to be removed, the grid 3 can be pulled away from the connecting groove 33, the grid 3 drives the connecting plate 32 and the limiting plate 35 to move after being pulled, the connecting plate 32 and the limiting plate 35 are gradually separated from the connecting groove 33 and the limiting groove 34 after starting to move, the position limitation of the grid 3 is released after the connecting plate 32 and the limiting plate 35 are completely separated from the connecting groove 33 and the limiting groove 34, so that the grid 3 can be removed, which facilitates the cleaning of garbage on the grid 3, the limiting protrusion 23 is pressed to the unlocking position by the groove 36 during the process that the connecting plate 32 is separated from the connecting groove 33, the connecting plate 32 can be normally separated from the connecting groove 33, the grid 3 can be detached, the metal spring 241 drives the limiting protrusion 23 to return to the limiting position after the connecting plate 32 leaves the connecting groove 33, the grid 3 is conveniently installed next time, the grid 3 can be directly detached in water through the connecting groove 33 and the connecting plate 32, so that the grid 3 does not need to be detached by directly landing on the shore of the ship body 1.

[0030] When the grating 3 is to be installed, the connecting plate 32 is aligned with the connecting groove 33, and after alignment, the grating 3 is pushed towards the direction of the suction head 21, so that the connecting plate 32 and the limiting plate 35 are respectively arranged in the connecting groove 33 and the limiting groove 34, when the connecting plate 32 is arranged in the connecting groove 33, the side wall of the connecting plate 32 can push the limiting protrusion 23 into the unlocking position, so that the connecting plate 32 can be arranged in the connecting groove 33, when the connecting plate 32 is completely arranged in the connecting groove 33, the position of the groove 36 corresponds to the limiting protrusion 23, at this time, the metal spring 241 can push the limiting protrusion 23 from the unlocking position to the limiting position, so that the limiting protrusion 23 is arranged in the groove 36, thereby limiting and fixing the connecting plate 32, and further fixing the grating 3, and when the limiting plate 35 is arranged in the limiting groove 34, the connecting plate 32 cannot fall downward.

[0031] As a further scheme of the utility model: the suction head 21 includes the mounting plate 211 and the mud rolling mechanism 212 for rolling the sludge below the mounting plate 211, the dismounting assembly 31 is located in the mounting plate 211, the suction pump 4 is arranged above the ship body 1, one side of the suction pump 4 is provided with the hose 41, one end of the hose 41 is communicated with the mud rolling mechanism 212, after the mud rolling mechanism 212 rolls the sludge under the water, the negative pressure generated by the suction pump 4 can make the sludge enter the hose 41, so that the sludge can flow from the hose 41 to the suction pump 4 and then be sent to the land by the suction pump 4 through the conveying pipe, so as to clean the sludge under the water.

[0032] As a further scheme of the utility model: the ship body 1 is provided with the telescopic structure 5 connected with the suction head 21, the telescopic structure 5 can drive the suction head 21 to relatively move away from or relatively move close to the ship body 1, the telescopic structure 5 includes two connecting shells 51, the two connecting shells 51 are both provided with the movable plate 52, the movable plate 52 is slidably connected with the connecting shell 51, the bottom end of the movable plate 52 extends out of the connecting shell 51 and is connected with the suction head 21, the motor 6 is arranged on the ship body 1, one side of the motor 6 is provided with the gear 61, the motor 6 is connected with the gear 61 through the driving shaft, the roller shaft 62 is rotatably connected on the ship body 1, the gear teeth 63 matched with the gear 61 are arranged on the roller shaft 62, the surface of the roller shaft 62 is provided with the pull rope connected with the movable plate 52, the motor 6 can drive the gear 61 to drive the roller shaft 62 to rotate, so as to control the relative distance between the suction head 21 and the ship body 1.

[0033] When the relative distance between the cutter head 21 and the ship body 1 needs to be adjusted, the motor 6 can be started in the forward rotation mode, the motor 6 drives the gear 61 to rotate forward after being started, the gear 61 drives the roller shaft 62 to rotate forward through the meshing with the gear teeth 63, the roller shaft 62 gradually releases the pull rope on the surface of the roller shaft 62 after starting to rotate, so that the movable plate 52 can start to move away from the connecting shell 51, so as to increase the relative distance between the cutter head 21 and the ship body 1, and when the motor 6 is started in the reverse rotation mode, the roller shaft 62 starts to rotate reversely, the roller shaft 62 starts to wind the pull rope around the surface of the roller shaft 62, so as to pull the movable plate 52 back, thereby reducing the relative distance between the cutter head 21 and the ship body 1.

[0034] It is apparent for a person skilled in the art that the present application is not limited to the details of the above exemplary embodiments but can be implemented in other embodiments without departing from the scope of the present application. The scope of the present application is defined by the appended claims rather than by the description of the exemplary embodiments above and therefore all changes and modifications that come within the meaning and range of equivalents of the claims are to be embraced by the application. Any reference signs in the claims should not be construed as limiting the scope of the claims.

Claims

1. A small dredging vessel, characterized in that, The device includes a hull (1) and a dredging device (2) located below the hull (1). The dredging device (2) includes a suction head (21) for rolling up sludge. The suction head (21) is provided with a grid (3) for isolating garbage. A disassembly assembly (31) is provided between the grid (3) and the suction head (21). The grid (3) is detachably connected to the suction head (21) through the disassembly assembly (31).

2. The small dredging vessel according to claim 1, characterized in that, The disassembly assembly (31) includes a connecting plate (32) and a connecting groove (33) for the connecting plate (32) to enter. The connecting plate (32) is connected to the grid (3), and the connecting groove (33) is opened on the outside of the suction head (21).

3. The small dredging vessel according to claim 2, characterized in that, The assembly / disassembly assembly (31) also includes a limiting groove (34) opened on the side wall of the connecting groove (33) and a limiting plate (35) provided on the connecting plate (32) to cooperate with the limiting groove (34), wherein the limiting plate (35) and the limiting groove (34) form a sliding connection.

4. The small dredging vessel according to claim 2, characterized in that, The suction head (21) is provided with a placement cavity (22), and the placement cavity (22) is provided with a limiting protrusion (23). The limiting protrusion (23) has a limiting position that limits the connecting plate (32) inside the connecting groove (33) and an unlocking position that releases the limitation on the connecting plate (32). The placement cavity (22) is provided with an elastic element (24) that keeps the limiting protrusion (23) in the limiting position.

5. The small dredging vessel according to claim 4, characterized in that, The elastic element (24) includes a metal spring (241), which includes a moving part and a resetting part. The moving part is used to drive the limiting protrusion (23) back and forth between the limiting position and the unlocking position, and the resetting part is used to keep the moving part and the limiting protrusion (23) in the limiting position.

6. The small dredging vessel according to claim 1, characterized in that, The suction head (21) includes a mounting plate (211) and a mud-rolling mechanism (212) mounted below the mounting plate (211) for rolling up silt, and the disassembly assembly (31) is located in the mounting plate (211).

7. The small dredging vessel according to claim 6, characterized in that, A mud suction pump (4) is provided above the hull (1), and a hose (41) is provided on one side of the mud suction pump (4). One end of the hose (41) is connected to the mud rolling mechanism (212).

8. The small dredging vessel according to claim 1, characterized in that, The hull (1) is provided with a telescopic structure (5) connected to the suction head (21), and the telescopic structure (5) can drive the suction head (21) to move away from or closer to the hull (1).

9. The small dredging vessel according to claim 8, characterized in that, The telescopic structure (5) includes two connecting shells (51), each of which is provided with a movable plate (52). The movable plate (52) is slidably connected to the connecting shell (51), and the bottom end of the movable plate (52) extends out of the connecting shell (51) and is connected to the suction head (21).

10. The small dredging vessel according to claim 9, characterized in that, The hull (1) is equipped with a motor (6), and a gear (61) is provided on one side of the motor (6). The motor (6) is connected to the gear (61) through a drive shaft. A roller (62) is rotatably connected to the hull (1). The roller (62) is provided with teeth (63) that cooperate with the gear (61). A pull rope is wound around the surface of the roller (62), and one end of the pull rope is connected to the movable plate (52).

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