CN210975928U - Ecological dredging ship for polluted bottom mud of rivers and lakes - Google Patents

Abstract

The utility model relates to a river lake desilting technical field, concretely relates to ecological desilting ship of river lake pollution bed mud, including the hull, the conveyer pipe, the toper fill, the suction pump, rotary driving device, connecting device and type rotating turret, the hull both sides are fixed with rectangular frame, the last slip that slides of rectangular frame is equipped with the sliding stand, be fixed with the hoist engine on the sliding stand, vegetation protection device passes through the cable wire hoist and mount on the hoist engine, the last mechanical arm that is fixed with of vegetation protection device, conveyer pipe upper end and sliding stand fixed connection, lower extreme and mechanical arm expansion end fixed connection, rotary driving device's drive end and connecting device fixed connection, install the jack catch that is used for grabbing tight or releasing type rotating turret on the connecting device, type rotating turret both ends are equipped with downwardly extending and are used for around the post of rolling up the plant, this hull rotation of rotatory drive type rotating turret makes banded plant curl, make the area minimizing that plant body covered, thereby reach the purpose of protection plant.

Description

Ecological dredging ship for polluted bottom mud of rivers and lakes

Technical Field

The utility model relates to a river lake desilting technical field, concretely relates to ecological desilting ship of river lake pollution bed mud.

Background

Each river and lake is an independent ecological circle, in order to ensure the cleanness of the environment, the bottom of the river and lake should be dredged regularly in general, however, mechanical equipment is adopted for cleaning due to the huge dredging workload. Most of the traditional cleaning equipment is of a conveyor belt conveying type or directly absorbs sludge through a sludge suction pipe, but river bottom vegetation is not considered, and plants at the bottom of rivers and lakes can be damaged during sludge suction, so that ecological balance is influenced. Meanwhile, the existing dredging equipment does not have the underwater movement function, and the position of the existing dredging equipment can only be adjusted through the movement of the ship body, so that the accurate positioning cannot be realized.

For example: in the chinese patent 'an ecological desilting integration equipment of river lake pollution bed mud' of bulletin number CN 207685886U, through starting ecological fishing device, salvage the aquatic thing in the bed mud to the ecological pond that washs of shipboard front end, start bed mud pumping device afterwards, the bed mud that will be disturbed by ecological fishing string bag is taken away through the suction pipe, the mud of clearing up is sent to appointed bed mud accepting position through mud conveying pipe, the aquatic organism of salvaging to the desilting ship forwards to the ecological pond that washs of rear end after preliminary cleaning and carries out the secondary and wash in the ecological pond that washs of front end.

Above-mentioned patent can effectually salvage the biology through ecological fishing device's effect and come and clear up, but salvage the biology simultaneously because its mechanism characteristic can salvage the plant of river lake bottom together, causes the destruction to the plant, can not protect the plant when the desilting, directly influences the ecological balance of river lake. And the salvage position can be adjusted only by moving the ship body, so that the accurate positioning cannot be realized, and the cleaning efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can realize that salvage position is nimble to be adjusted, and can protect the ecological desilting ship of river lake pollution bed mud of river bed vegetation to prior art's defect.

The technical scheme of the utility model is that an ecological dredging ship of river lake pollution bed mud, including hull and desilting device, the desilting device includes conveyer pipe, toper fill and suction pump, the conveyer pipe upper end is connected with the suction pump, and the lower extreme is connected with the toper fill, still includes vegetation protection device, vegetation protection device includes rotary drive device, connecting device and type rolling stand, the hull both sides are fixed with rectangular frame, be provided with on the rectangular frame along hull length direction and rectangular frame sliding fit's sliding platform, be fixed with the hoist engine on the sliding platform, vegetation protection device passes through cable wire hoist and mount on the hoist engine, the last mechanical arm that is fixed with of vegetation protection device, conveyer pipe upper end and sliding platform fixed connection, lower extreme and mechanical arm expansion end fixed connection, rotary drive device's drive end and connecting device fixed connection, the last jack catch that is used for grabbing or releasing type rolling stand of installing of connecting device, type rolling stand both ends are equipped with downwardly extending is used for around the post of winding the plant.

Preferably, the ship body further comprises a speed reducing motor, the speed reducing motor is arranged on one side, close to the ship body, of the sliding table, a gear is coaxially fixed to the end portion of an output shaft of the speed reducing motor, a rack is arranged on the ship body in the length direction, and the gear is in transmission connection with the rack.

Preferably, the connecting device comprises a waterproof linear motor fixedly connected with a driving end of the rotary driving device, the clamping jaws are arranged around the connecting device in a mode that the claw tips face downwards, the driving end of the waterproof linear motor is movably connected with the tops of the clamping jaws, and the clamping jaws are driven by the waterproof linear motor to grasp or loosen the -type rotating frame.

Comparatively preferred, connecting device still includes hollow cylinder, trident connecting piece and annular connecting rod, inside cavity of hollow cylinder and downwardly opening, waterproof linear electric motor vertical set up in inside the hollow cylinder, rotary drive device's drive end passes hollow cylinder is fixed with waterproof linear electric motor top, trident connecting piece level is fixed at waterproof linear electric motor drive end, the hollow cylinder outer wall is equipped with the jack catch movable hole along circumference, annular connecting rod one end and trident connecting piece swing joint, the other end and the jack catch top swing joint who passes the jack catch movable hole.

Comparatively preferred, rotary driving device includes dive box, rotating electrical machines, axis of rotation and sealed bearing, the rotating electrical machines is fixed on the interior roof of dive box, the drive end of rotating electrical machines and the coaxial fixed connection of axis of rotation of vertical setting, the axis of rotation bottom pass the dive box and with dive between the box rotate through sealed bearing and be connected, the arm is fixed on the lateral wall of dive box orientation conveyer pipe, the dive box is used for being equipped with the camera on the lateral wall of fixed arm, dive box bottom is equipped with apart from the inductor.

Preferably, the winding column is sleeved with a cylindrical air bag, the outer wall of the cylindrical air bag is a corrugated surface, and the bottom of the winding column is provided with a sharp puncture rod at the lower part.

Comparatively preferred, the sediment removal device still includes hollow shaft motor, soft auger and bearing, the hollow shaft motor sets up in conveyer pipe upper end and fixed with the sliding stand, the suction pump passes through the hollow shaft of hollow shaft motor and is connected with conveyer pipe upper end, soft auger sets up inside the conveyer pipe, the toper is fought and is passed through bearing and conveyer pipe lower extreme swivelling joint, the upper end of soft auger and the hollow shaft fixed connection of hollow shaft motor, the lower extreme and the toper of soft auger are fought top fixed connection, the toper is fought the outer wall and is equipped with the silt via hole, the toper is fought silt via hole department installs the stirring piece that outwards stretches out.

Preferably, the conveying pipe further comprises a first connecting piece and a second connecting piece, the lower end of the hollow shaft extends into the conveying pipe, the second connecting piece is horizontally fixed at the lower end of the hollow shaft, the first connecting piece is horizontally fixed at the top of the inner ring of the bearing, and two ends of the soft auger are respectively fixedly connected with the center of the first connecting piece and the center of the second connecting piece.

Preferably, the left inner side wall and the right inner side wall of the rectangular frame are provided with sliding grooves along the length direction of the ship body, the sliding table comprises an upper platform and a lower convex block, the upper platform is used for fixing a winch, the upper platform is fixed at the top of the lower convex block, the width of the upper platform is wider than that of the rectangular frame, the lower convex block is embedded into a cavity inside the rectangular frame, two sides of the bottom of the lower convex block extend outwards to form strip-shaped sliding blocks in sliding fit with the sliding grooves, and the center of the sliding table is provided with a cavity communicated with the rectangular frame and used for a steel cable of.

Preferably, a sludge tank is further fixed on the sliding table, a filter screen is horizontally suspended in the sludge tank, and the top of the sludge tank is communicated with an outlet of the suction pump through a pipeline.

The utility model has the advantages that:

1. the type rotating frame is connected by the claw which can be tightly clamped or loosened, so that the movement of the ship body is not limited by the vegetation protection device, the effective range of the ship body is improved, a plurality of vegetation can be protected simultaneously, and the dredging efficiency and the dredging effect are not influenced while the vegetation is protected.

2. The rectangular frame and the sliding table are connected in a sliding mode to control the dredging device to adjust the position in a large range, and dredging efficiency is improved. The mechanical arm adjusted and installed through the winch controls the small-range accurate positioning of the dredging device, so that the conical hopper can avoid river bottom vegetation, and the vegetation is protected. The hollow shaft motor is used for controlling the soft auger to drive the conical hopper to rotate, and meanwhile, the sludge scraping is realized by utilizing the fluctuation piece, so that the conical hopper can drill into the sludge more quickly, the sludge enters the conical hopper quickly, and the dredging efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of an ecological dredging boat for polluted bottom sediment of rivers and lakes;

FIG. 2 is a schematic view of the vegetation protection device of FIG. 1;

FIG. 3 is a schematic structural view of the sliding table and the rectangular frame in FIG. 1;

FIG. 4 is a schematic view of the robot arm of FIG. 1 connected to the lower end of a transport tube;

FIG. 5 is a schematic view of the upper end of the conveying pipe of FIG. 1 connected to a hollow shaft motor;

the underwater vehicle comprises a ship body 1, a ship body 2, a controller 3, a diving box 4, a sealing bearing 5, a rotating shaft 6, a rotating motor 7, a hollow cylinder 8, a waterproof linear motor 9, a jaw movable hole 10, an annular connecting rod 11, a three-fork connecting rod 12, a pin shaft 13, a jaw 14, a circular clamping block 15, a triangular clamping groove 16, -shaped rotating frame 17, a cylindrical air bag 18, a puncture rod 19, a mechanical arm 20, a first fixing frame 21, a second fixing frame 22, a conveying pipe 23, a hollow shaft motor 24, a second bearing 25, a first connecting sheet 26, a second connecting sheet 27, a soft packing auger 28, a conical hopper 29, a sludge passing hole 30, a stirring sheet 31, a suction pump 32, a rectangular frame 33, a sliding groove 33, a 34, a hoisting platform 35, a hoisting machine 36, a speed reduction motor 37, a rack 38, a sludge tank 39, a filter screen 40, a distance sensor 41, a camera 42, a 43, a flexible hole 44, a water permeable strip 44 and a flexible fixing ring.

Detailed Description

The invention will be further described in detail with reference to the drawings and the following detailed description, which are provided for the purpose of clearly understanding the invention and are not intended to limit the invention.

In this embodiment, the model of the controller 2 is MSP430, the control signal output end of the controller 2 is electrically connected to the control signal input end of the rotating electrical machine 6, the waterproof linear electrical machine 8, the mechanical arm 19, the hollow shaft electrical machine 23, the suction pump 31, the winch 35, the distance sensor 40, and the camera 41, and the power output end of the controller 2 is electrically connected to the power input end of the rotating electrical machine 6, the waterproof linear electrical machine 8, the mechanical arm 19, the hollow shaft electrical machine 23, the suction pump 31, the winch 35, the distance sensor 40, and the camera 41. The signal output end of the camera 41 is electrically connected with the signal input end of the controller 2.

As shown in figure 1, the ecological dredging ship for the polluted bottom sediment of the rivers and the lakes comprises a ship body 1, a dredging device and a vegetation protection device, wherein the dredging device mainly comprises a conveying pipe 22, a conical hopper 28 and a suction pump 31, the vegetation protection device mainly comprises a rotary driving device, a connecting device and an -shaped rotating frame 16, rectangular frames 32 are fixed on two sides of the ship body 1, and sliding tables 34 which are in sliding fit with the rectangular frames 32 along the length direction of the ship body 1 are arranged on the rectangular frames 32.

As shown in fig. 2, the vegetation protection device has the following specific structure:

the driving end of the rotary driving device is fixedly connected with the connecting device, the connecting device is provided with a jaw 13 used for gripping or releasing a type rotating frame 16, two ends of a type rotating frame 16 are provided with winding columns which extend downwards and are used for winding plants, the winding columns are sleeved with cylindrical air bags 17, the outer walls of the cylindrical air bags 17 are corrugated surfaces, the bottom of the winding columns is provided with sharp-edged barbed rods 18, the connecting device comprises waterproof linear motors 8 fixedly connected with the driving end of the rotary driving device, the jaw 13 is arranged around the connecting device in a mode that the jaw tips face downwards, the driving end of each waterproof linear motor 8 is movably connected with the top of the jaw 13, the jaw 13 grips or releases the type rotating frame 16 under the driving of the waterproof linear motor 8, the connecting device further comprises hollow cylinders 7, three-fork-shaped connecting pieces 11 and annular connecting rods 10, the hollow cylinders 7 are hollow and open downwards, the waterproof linear motors 8 are vertically arranged inside the hollow cylinders 7, the rotary driving device comprises a diving box 3, a rotary motor 6, a rotary shaft 5 and a sealing bearing 4, the rotary motor 6 is fixed on the top wall of the rotary shaft of the rotary driving shaft of the diving motor 6, the rotary driving shaft is coaxially connected with the jaw 5, the jaw is coaxially connected with the three triangular connecting shaft of the three triangular connecting shaft 11, the three triangular connecting shaft 11, the three connecting shaft is uniformly connected with the three triangular connecting shaft 11, the three connecting shaft of the three triangular connecting shaft 11, the three connecting shaft is uniformly connected with the three connecting shaft 11, the three.

The vegetation protection device drives the rotating shaft 5 to rotate through the rotation of the rotating motor 6, the rotating shaft 5 indirectly drives the type rotating frame 16 to rotate, and meanwhile, the position is well controlled and the plants are wound, so that the purpose of protecting the plants is achieved, the claw 13 is driven to rotate through the waterproof linear motor 8, the type rotating frame 16 is separated from the hollow cylinder 7, and the effect of protecting the plants and simultaneously not delaying the work of cleaning sludge is achieved.

As shown in fig. 3-5, a winch 35 is fixed on the sliding table 34, the vegetation protection device is hoisted on the winch 35 through a steel cable, a mechanical arm 19 is fixed on the vegetation protection device, the upper end of the conveying pipe 22 is fixedly connected with the sliding table 34, and the lower end is fixedly connected with the movable end of the mechanical arm 19. Inside wall is equipped with spout 33 along hull 1 length direction about rectangular frame 32, sliding table 34 is including the upper mounting plate and the lower lug that are used for fixed hoist engine 35, the upper mounting plate is fixed at lug top down, upper mounting plate width is wider than rectangular frame 32 width, lower lug embedding is to the inside cavity of rectangular frame 32, outwards extend the strip slider that forms and spout 33 sliding fit down in lug bottom both sides down, sliding table 34 center is equipped with and communicates with rectangular frame 32 and is used for supplying the cavity that the hoist engine 35 cable wire passes through. A gear motor 36 is fixed on one side of the upper platform of the sliding table 34 close to the ship body 1, a gear is coaxially fixed at the end part of an output shaft of the gear motor 36, a rack 37 is arranged along the length direction of the ship body 1, and the gear is in transmission connection with the rack 37.

The dredging device also comprises a hollow shaft motor 23, a soft packing auger 27 and a bearing 24, wherein the hollow shaft motor 23 is arranged at the upper end of the conveying pipe 22 and is fixedly connected with the sliding table 34 through a second fixing frame 21. The suction pump 31 is connected with the upper end of the conveying pipe 22 through the hollow shaft of the hollow shaft motor 23. The soft packing auger 27 is arranged inside the conveying pipe 22, and the conical hopper 28 is rotatably connected with the lower end of the conveying pipe 22 through the bearing 24. The hollow shaft of the hollow shaft motor 23 extends into the conveying pipe, the second connecting piece 26 is horizontally fixed at the lower end part of the hollow shaft, the first connecting piece 25 is horizontally fixed at the top of the inner ring of the bearing, and two ends of the soft auger are respectively and fixedly connected with the center of the first connecting piece 25 and the center of the second connecting piece 26. The outer wall of the conical hopper 28 is provided with a sludge through hole 29, and the conical hopper 28 is provided with a stirring sheet 30 which extends outwards at the sludge through hole 29. The outer side wall of the diving box 3 facing the conveying pipe 22 is provided with a camera 41, and the bottom of the diving box 3 is provided with a distance sensor 40. The outer wall of the diving box 3 facing the side of the hull 1 is provided with a flexible bumper strip 43. The outer side wall of the diving box 3 provided with the camera 41 is connected with a mechanical arm 19, the movable end of the mechanical arm 19 is connected with a first fixed frame 20, and the lower end of the conveying pipe 22 is fixed on the movable end of the mechanical arm 19 through the first fixed frame 20.

The movement of the mechanical arm 19 of the dredging device drives one end of the conical hopper 28 to carry out accurate positioning, and the purpose of accurately cleaning the sludge is achieved. The soft packing auger 27 and the conical hopper 28 synchronously rotate through the rotation of the hollow shaft motor 23, and the effect of driving the sludge to move upwards through the conveying pipe 22 is achieved by combining the action of the suction pump 31.

The working principle of the utility model is as follows:

the ship body 1 is moved, equipment is moved to a designated cleaning area, after the equipment reaches an approximate position, the controller 2 controls the winch 35 to rotate, the winch 35 directly drives the steel cable to release the diving box 3, then the diving box 3 and the accessory device can accurately move corresponding positions through the auxiliary action of the distance sensor 40 and the camera 41, after the distribution of plants is observed and analyzed, the vegetation protection device is moved to the center of the plants, then the winch 35 rotates and descends, so that the type rotating frame 16 inserts the plants, meanwhile, the controller 2 controls the rotating motor 6 to rotate, the rotating motor 6 directly drives the rotating shaft 5 to rotate, the rotating shaft 5 directly drives the hollow cylinder 7 to rotate, the rotating shaft 5 rotates more smoothly due to the action of the sealing bearing 4, the circular clamping block 14 is fixed through the clamping block 13, the type rotating frame 16 rotates, the plants are retracted and kept at the position of the winch winding groove, then the machine 35 releases, the type rotating frame 16 is inserted into the lake bottom, the clamping block 14 is fixed, the clamping block 14 is controlled by the clamping block 13, the linear air bag is controlled, the triangular clamping block 16 is extended, the linear clamping groove 14 is controlled, the linear air bag is extended, the linear air bag is controlled, the linear air bag 14, the linear air bag is controlled, the linear air bag is extended, the linear air bag 14, the linear air bag is controlled, the linear air bag is controlled, the linear.

When the sludge needs to be cleaned, the controller 2 controls the speed reducing motor 36 to rotate, when the speed reducing motor 36 rotates, the dredging device is indirectly driven to move in a large range, meanwhile, the rotation of the mechanical arm 19 directly drives the conical hopper 28 to move, while moving, the suction pump 31 and the hollow shaft motor 23 are controlled to work simultaneously, the rotation of the hollow shaft motor 23 enables the soft packing auger 27 to drive the conical hopper 28 to rotate synchronously, at the same time, the suction pump 31 operates more advantageously to allow sludge to enter the sludge through-hole 29, thereby facilitating the cleaning of the sludge, the first connecting piece 25 and the second connecting piece 26 can ensure that the soft packing auger 27 rotates more smoothly, the sludge reaches the water surface through the conical hopper 28, the conveying pipe 22, the hollow shaft motor 23 and the suction pump 31, and flows into the sludge tank 38, after which the drawn-up sludge is preliminarily filtered by filtration by the filter screen 39.

Can place conveyer pipe 22 at solid fixed ring 42 upper surface when not using equipment to reach the purpose of placing, can play the effect of scraping to silt through the purpose of stirring piece 30, the hole 44 of permeating water can be with lake water drainage to diving box 3 in, thereby avoids producing buoyancy, and then influences work.

Details not described in this specification are within the skill of the art that are well known to those skilled in the art.

Claims (10)

1. The utility model provides an ecological desilting ship of river lake pollution bed mud, includes hull (1) and desilting device, the desilting device includes conveyer pipe (22), toper fill (28) and suction pump (31), conveyer pipe (22) upper end is connected with suction pump (31), and the lower extreme is connected with toper fill (28), its characterized in that still includes vegetation protection device, vegetation protection device includes rotary drive device, connecting device and type rotating turret (16), hull (1) both sides are fixed with rectangular frame (32), be provided with on rectangular frame (32) along hull (1) length direction and rectangular frame (32) sliding fit's sliding table (34), be fixed with hoist engine (35) on sliding table (34), vegetation protection device passes through the cable wire on hoist engine (35), fixed organic arm (19) on the vegetation protection device, conveyer pipe (22) upper end and sliding table (34) fixed connection, lower extreme and arm (19) expansion end fixed connection, rotary drive device's drive end and connecting device fixed connection, the last claw of installing of connecting device is used for the rotary column (3516) to extend around the type plant reel () both ends are equipped with the downward.

2. The ecological dredging ship for polluted bottom mud of rivers and lakes according to claim 1, which is characterized in that: still include gear motor (36), gear motor (36) set up in one side that slip platform (34) are close to hull (1), gear motor (36) output shaft tip coaxial fixed has the gear, hull (1) is equipped with rack (37) along length direction, gear and rack (37) transmission are connected.

3. The ecological dredging ship for polluted bottom sediment in rivers and lakes according to claim 1, characterized in that the connecting device comprises a waterproof linear motor (8) fixedly connected with the driving end of the rotary driving device, the claw (13) is arranged around the connecting device in a mode that the claw tip faces downwards, the driving end of the waterproof linear motor (8) is movably connected with the top of the claw (13), and the claw (13) is driven by the waterproof linear motor (8) to grasp or release the -shaped rotating frame (16).

4. The ecological dredging ship for polluted bottom mud of rivers and lakes according to claim 3, which is characterized in that: connecting device still includes hollow cylinder (7), trident connecting piece (11) and annular connecting rod (10), hollow cylinder (7) inside cavity and downwardly opening, waterproof linear electric motor (8) vertical set up in inside hollow cylinder (7), rotary drive's drive end passes hollow cylinder (7) are fixed with waterproof linear electric motor (8) top, trident connecting piece (11) level is fixed at waterproof linear electric motor (8) drive end, hollow cylinder (7) outer wall is equipped with jack catch activity hole (9) along circumference, annular connecting rod (10) one end and trident connecting piece (11) swing joint, the other end and jack catch (13) top swing joint who passes jack catch activity hole (9).

5. The ecological dredging ship for polluted bottom mud of rivers and lakes according to claim 1, which is characterized in that: the rotary driving device comprises a diving box (3), a rotary motor (6), a rotating shaft (5) and a sealing bearing (4), wherein the rotary motor (6) is fixed on the inner top wall of the diving box (3), the driving end of the rotary motor (6) is coaxially and fixedly connected with the vertically arranged rotating shaft (5), the bottom of the rotating shaft (5) penetrates through the diving box (3) and is rotatably connected with the diving box (3) through the sealing bearing (4), a mechanical arm (19) is fixed on the outer side wall, facing the conveying pipe (22), of the diving box (3), a camera (41) is arranged on the outer side wall, used for fixing the mechanical arm (19), of the diving box (3), and a distance sensor (40) is arranged at the bottom of the diving box (3).

6. The ecological dredging ship for polluted bottom mud of rivers and lakes according to claim 1, which is characterized in that: the winding column is sleeved with a cylindrical air bag (17), the outer wall of the cylindrical air bag (17) is a corrugated surface, and the bottom of the winding column is provided with a puncture rod (18) with a sharp lower part.

7. The ecological dredging ship for polluted bottom mud of rivers and lakes according to claim 1, which is characterized in that: the desilting device still includes hollow shaft motor (23), soft auger (27) and bearing (24), hollow shaft motor (23) set up at conveyer pipe (22) upper end and fixed with sliding stand (34), the hollow shaft that suction pump (31) passes through hollow shaft motor (23) is connected with conveyer pipe (22) upper end, soft auger (27) set up inside conveyer pipe (22), the toper is fought (28) and is passed through bearing (24) and conveyer pipe (22) lower extreme swivelling joint, the upper end of soft auger (27) and the hollow shaft fixed connection of hollow shaft motor (23), the lower extreme and the toper of soft auger (27) are fought (28) top fixed connection, toper is fought (28) outer wall and is equipped with silt via hole (29), toper is fought (28) and is in silt via hole (29) department installs outside stirring piece (30) that stretches out.

8. The ecological dredging ship for polluted bottom sediment of rivers and lakes according to claim 7, which is characterized in that: still include connection piece (25) and connection piece two (26), the hollow shaft lower extreme stretches into in the conveyer pipe, connection piece two (26) horizontal fixation is at the hollow shaft lower extreme, connection piece one (25) horizontal fixation is at bearing inner circle top, soft auger both ends respectively with the center of connection piece one (25) and the center fixed connection of connection piece two (26).

9. The ecological dredging ship for polluted bottom mud of rivers and lakes according to claim 1, which is characterized in that: the ship body comprises a rectangular frame (32), wherein a sliding groove (33) is formed in the left inner side wall and the right inner side wall of the rectangular frame (32) along the length direction of the ship body (1), a sliding table (34) comprises an upper platform and a lower convex block, the upper platform is fixed to the top of the lower convex block, the width of the upper platform is wider than that of the rectangular frame (32), the lower convex block is embedded into an inner cavity of the rectangular frame (32), two sides of the bottom of the lower convex block outwards extend to form a strip-shaped sliding block in sliding fit with the sliding groove (33), and a cavity which is communicated with the rectangular frame (32) and is used for a steel cable of the winch (35) to pass through is formed.

10. The ecological dredging ship for polluted bottom mud of rivers and lakes according to claim 1, which is characterized in that: a sludge tank (38) is further fixed on the sliding table (34), a filter screen (39) is horizontally suspended in the sludge tank (38), and the top of the sludge tank (38) is communicated with an outlet of the suction pump (31) through a pipeline.

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