CN111501884A - Harbor basin dredging device based on tidal current energy driving - Google Patents
Harbor basin dredging device based on tidal current energy driving Download PDFInfo
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- CN111501884A CN111501884A CN202010368547.2A CN202010368547A CN111501884A CN 111501884 A CN111501884 A CN 111501884A CN 202010368547 A CN202010368547 A CN 202010368547A CN 111501884 A CN111501884 A CN 111501884A
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- 230000007246 mechanism Effects 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 210000000078 claw Anatomy 0.000 claims abstract description 23
- 239000010802 sludge Substances 0.000 claims abstract description 18
- 230000000630 rising effect Effects 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 abstract description 27
- 238000009825 accumulation Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/282—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with rotating cutting or digging tools
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
- E02B3/023—Removing sediments
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- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
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Abstract
The invention discloses a tidal current energy-driven harbor basin dredging device which comprises a stirring mechanism, a driving mechanism and a catamaran, wherein the stirring mechanism can be rotated by knowing the rising and falling tide conditions of water in a harbor basin water area, the driving mechanism is connected with the stirring mechanism, the water area between the catamarans forms a dredging water area, the stirring mechanism is positioned in the dredging water area, the driving mechanism is positioned on a harbor basin dam, the stirring mechanism comprises a connecting shaft, an impeller is arranged on the connecting shaft, more than one layer of spiral blades which can rotate along with the rising tide are longitudinally distributed on the impeller, the lower end of the impeller is connected with a rotating disk, dredging claws are distributed on the rotating disk according to the circumferential motion, a connecting plate positioned on the catamaran is arranged at the upper end of the connecting shaft, and the upper end of. The invention utilizes tidal energy in natural environment as power to stir the sludge on the harbor basin to avoid accumulation, thereby being convenient for cleaning and reducing the labor cost.
Description
Technical Field
The invention relates to a harbor basin dredging vehicle mechanism, which uses a Savonius impeller to capture tidal energy, belongs to the technical field of mechanical dredging mechanisms, and particularly relates to a harbor basin dredging device based on tidal current energy driving.
Background
Today of economic globalization, 90% of the trade in the world passes through the ocean, 70% of the economic activities in the world occur in coastal areas, the ocean is used as a channel to construct the own cross-country economic system of China, and the port is particularly important. And the harbor basin is a water area for berthing, operating, driving away and turning around operations of ships in the harbor. The basin has sufficient area and depth, and at or near the estuary, on the coast, the conditions of the water flow are complex, and particularly the backflow is severe. Because the sand content of the offshore water flow is high, the offshore water flow is easy to deposit in the range of the harbor basin under the action of backflow, and the normal use of the harbor basin is influenced.
Therefore, in order to solve the problem of accumulation of the sludge in the harbor basin, the dredging operation with water is generally carried out by equipping a dredging machine on a ship, using the dredging ship as a construction platform, operating a dredging device on the water surface to excavate the sludge, and conveying the sludge to a shore yard through a pipeline conveying system, wherein the dredging operation mainly comprises grab bucket type, cutter suction type, bucket wheel type and the like. The method needs more manpower and material resources, a dredging boat or a pump for dredging is used, the development economic benefit is not obvious for ports, and the problems of high dam height of harbor ponds simultaneously cause that various dredging boats are inconvenient to drive into the harbor ponds for dredging operation, so that how to design an automatic sludge cleaning mechanism which can solve the problems of high labor cost, complex structure and inconvenient cleaning caused by a large amount of manual operation and is driven by tide energy in natural environment, namely tide rise and ebb of seawater, is very important.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides a harbor basin dredging device which uses tidal energy in the natural environment as a power source, and the harbor basin dredging device is simple in structure and convenient to operate.
In order to achieve the purpose, the invention designs a tidal current energy-driven harbor basin dredging device which comprises a stirring mechanism, a driving mechanism and a catamaran, wherein the stirring mechanism can be used for acquiring the rising and falling tide conditions of water in a harbor basin water area to rotationally stir silt, the driving mechanism is connected with the stirring mechanism and drives the stirring mechanism to horizontally reciprocate, the catamaran is parked on the harbor basin, the water area between the catamarans forms a dredging water area, the stirring mechanism is positioned in the dredging water area, the driving mechanism is positioned on a harbor basin embankment, the stirring mechanism comprises a connecting shaft, an impeller is arranged on the connecting shaft, more than one layer of spiral blades which can rotate along with the rising tide are longitudinally distributed on the impeller, the lower end of the impeller is connected with a rotating disk, more than one dredging claw is distributed on the rotating disk according to the circumferential motion, the upper end of the connecting shaft is provided with a connecting plate, and the upper end of the connecting shaft is hinged with the driving mechanism.
In order to make the whole structure simpler and the guiding effect better, the driving mechanism comprises a guide rail positioned on a harbor basin dam and a trolley main body capable of moving along the guide rail, one side of the trolley main body is hinged with a catamaran through a ship hinge, a main shaft partially extending out of the trolley main body is arranged in the trolley main body, the part of the main shaft extending out of the trolley main body is connected with a flexible shaft, the flexible shaft is connected with a connecting shaft through a universal joint, a fourth gear is connected on one wheel shaft of the trolley main body, a third gear is connected on the main shaft and in the trolley main body, a first push plate which is positioned outside the trolley main body and can be abutted against a right side wall body after moving to the right side along with the trolley main body is arranged on the right side of the trolley main body, a second push rod is hinged on the first push plate, the other end of the second push rod, a sleeve is hinged on the first hinged seat, the second push rod is inserted in the sleeve and can move in the sleeve, a first gear shaft and a second gear shaft are respectively connected at two ends of the first connecting piece, the center of the first connecting piece is hinged on a connecting seat base in the main body of the trolley, a first gear is connected on the first gear shaft, a second gear is connected on the second gear shaft, a wheel shaft connecting rod is rotatably connected between the second gear shaft and a wheel shaft on a fourth gear, a second push plate which is positioned outside the main body of the trolley and can be abutted against a left wall body after moving to the left along with the main body of the trolley is arranged at the left side of the main body of the trolley, a first push rod is hinged on the second push plate, the other end of the first push rod is rotatably connected at one end of a second connecting piece, the first push rod is also hinged in the main body of the trolley, and the other end of the, the first gear is meshed with the second gear, the trolley main body moves forwards and is driven by the third gear to rotate forwards and directly meshed with the fourth gear through the second gear, and the trolley main body moves backwards and is driven by the third gear to rotate backwards and drive the second gear and the fourth gear through the first gear in a meshed mode.
In order to ensure that the trolley can walk along a specified route during moving and has a limiting effect, two ends of a wheel shaft connected with the fourth gear are respectively connected with a sliding block, horizontal sliding grooves convenient for the sliding of the sliding blocks are arranged in the front and the back of a trolley shell of the trolley main body, and each sliding block is connected in the horizontal sliding groove in a sliding manner.
And further, the guiding effect is improved, a guide wheel is arranged at the front and the rear of the shell of the trolley, the guide rail is of an L-shaped structure, and the guide wheel is abutted against and slidably connected with the two sides of the guide rail.
In order to prevent the problem of rotation dead points when wave energy is converted, the two adjacent propeller blades are arranged in a staggered mode respectively.
In order to prevent the problem of dead rotation points during wave energy conversion and further to ensure simpler handling as a preferred solution, the propeller blades have a total of 3 layers and are each offset by an angle of 60 °.
The double-body ship has the advantages that the wave energy can be captured at a large angle, water flow passing between the pair of ship bodies can be guided, the flow channel in the middle is reduced, the flow speed of the water flow is increased, the energy capturing efficiency of the blades is improved, the head end and the tail end of the double-body ship are of an open structure, and the dredging water area between the double-body ship is guaranteed to be horn-shaped.
In order to ensure that the dredging claws lift along with the water surface and ensure that the dredging claws are always contacted with the sea floor, the upper end of each dredging claw is hinged with the rotating disc.
In order to ensure that an upward assisting force is realized on the water body during rotation so as to improve the final sewage disposal effect, the propeller blades are obliquely arranged in the vertical direction.
The invention obtains a harbor basin dredging device based on tidal current energy drive, in the structural design, a stirring mechanism capable of acquiring flood tide of harbor basin water as power to rotate is arranged in a dredging water area formed between double-body ships, and the stirring mechanism is composed of more than one layer of propeller blades and impellers, the design can drive the impellers to rotate along with the flood tide through the propeller blades to generate power, finally, a rotating disk at the lower end of the impellers and a dredging claw on the rotating disk rotate synchronously, the dredging claw can stir sludge at the bottom of the dredging water area without accumulation while rotating by taking the center of the rotating disk as the center of a circle, and take away the sludge under the condition of the flood tide, finally realize the effect of dredging the harbor basin, and simultaneously, the stirring mechanism can be driven to reciprocate under the action of the driving mechanism to achieve the effect of back and forth dredging the whole harbor basin, consequently can realize mainly relying on impeller and propeller blade to cooperate through this structural design and catching tidal energy and acquire power and drive the desilting claw also synchronous revolution of below, finally realize the effect of convenient quick desilting, and overall structure easy operation, need not the manual work and carry out the desilting and handle to reduce the cost of labor.
Drawings
FIG. 1 is a schematic overall structure diagram of a tidal current energy-driven harbor basin dredging device in embodiment 1;
FIG. 2 is a schematic structural diagram of a tidal current energy driven harbor basin dredging device in the embodiment 1 when a ship is dismantled;
FIG. 3 is a perspective view showing the structure of an impeller in embodiment 1;
FIG. 4 is a plan view of an impeller in embodiment 1;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a schematic view of a partial structure of an agitation mechanism in embodiment 1;
FIG. 7 is a perspective view of a top view of a combination of 3 impellers in embodiment 1;
FIG. 8 is a schematic view of the structure of a guide rail in embodiment 1;
FIG. 9 is a schematic structural view of a main body part of the cart in the drive mechanism of embodiment 1;
FIG. 10 is a schematic structural view of a housing of the cart in example 1;
FIG. 11 is a schematic structural view of the main body of the cart in example 1, as seen from left to right when the outer shell of the cart is removed;
FIG. 12 is a schematic structural view of the main body of the cart in example 1, as seen from right to left when the outer shell of the cart is removed;
FIG. 13 is a schematic structural view of the carriage body in the driving mechanism of embodiment 1 as viewed from the right to the left;
FIG. 14 is a schematic view showing the locus of each member in the cart main body in the normal rotation of the cart main body in embodiment 1;
fig. 15 is a schematic diagram showing the locus of each part in the car body when the car body is inverted in embodiment 1.
In the reference symbols: the dredging device comprises a stirring mechanism 1, a driving mechanism 2, a catamaran 3, a dredging water area 4, a harbor basin dam 5, a connecting shaft 6, a screw blade 7, a rotating disk 8, a dredging claw 9, a connecting plate 10, a guide rail 11, a trolley main body 12, a ship-trolley hinge 13, a main shaft 14, a flexible shaft 15, a universal joint 16, an impeller 17, a first push rod 3.1, a first connecting piece 3.2, a first gear 3.3, a connecting seat base 3.4, a second push rod 3.5, a first push plate 3.6, a second connecting piece 3.7, a second gear 3.8, a third gear 3.9, a fourth gear 3.10, a sliding block 3.11, a trolley guide wheel 3.12, a second push plate 3.14, a wheel shaft connecting rod 3.16, a trolley shell 3.15, a second gear shaft 3.17, a first gear shaft 3.18, a wheel shaft 3.19, a horizontal sliding groove 3.20, a rotating hinge 3.21, a first connecting shaft hinge seat 3.22 and a sleeve 3.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1:
as shown in fig. 1-15, the tidal current energy-driven harbour pond dredging device provided by the embodiment comprises an agitating mechanism 1 which can be used for acquiring the rising and falling tide conditions of water in a harbour pond water area to rotationally agitate silt, a driving mechanism 2 which is connected with the agitating mechanism 1 and drives the agitating mechanism 1 to horizontally reciprocate, and a catamaran 3 which is parked on the harbour pond, wherein the water area between the catamarans 3 forms a dredging water area 4, the agitating mechanism 1 is positioned in the dredging water area 4, the driving mechanism 2 is positioned on the harbour pond 5, the agitating mechanism 1 comprises a connecting shaft 6, an impeller 17 is arranged on the connecting shaft 6, more than one layer of helical blades 7 which can rotate along with the rising tide are longitudinally distributed on the impeller 17, a rotating disk 8 is connected at the lower end of the impeller 17, more than one dredging claw 9 which is distributed on the rotating disk 8 and moves circumferentially, the upper end of the connecting shaft 6 is provided with a connecting plate 10, two sides of the connecting plate 10 are respectively positioned on the catamaran 3, and the upper end of the connecting shaft 6 is hinged with the driving mechanism 2.
In the structural design, a stirring mechanism 1 capable of acquiring the rising tide of the water on the harbor basin as power to rotate is placed in a dredging water area 4 formed between the catamarans 3, and the stirring mechanism 1 is composed of more than one layer of screw blades 7 and impellers 17, so that the screw blades 7 can drive the impellers 17 to rotate along with the rising tide to generate power, and finally the rotating disk 8 at the lower end of the impeller 17 and the dredging claws 9 on the rotating disk 8 are driven to synchronously rotate, when all the dredging claws 9 rotate by taking the center of the rotating disk 8 as the circle center, the dredging claws 9 can stir the sludge at the bottom of the dredging water area 4 without accumulation, and take away the sludge under the condition of the rising tide at the moment, so that the harbor basin is finally dredged, and simultaneously, the stirring mechanism 1 can be driven to reciprocate to achieve the effect of dredging the whole harbor basin back and forth under the action of the driving mechanism 2, therefore, the impeller 17 and the propeller blades 7 are mainly matched to capture tidal energy to acquire power to drive the dredging claw 9 below to synchronously rotate, so that the effect of convenient and quick dredging is finally realized, the overall structure is simple to operate, and manual dredging treatment is not needed.
In order to make the whole structure simpler and the guiding effect better, the driving mechanism 2 comprises a guide rail 11 positioned on the harbor basin dam 5 and a trolley main body 12 capable of moving along the guide rail 11, one side of the trolley main body 12 is hinged with the catamaran 3 through a ship hinge 13, a main shaft 14 partially extending out of the trolley main body 12 is arranged in the trolley main body 12, a flexible shaft 15 is connected with the part of the main shaft 14 extending out of the trolley main body 12, the flexible shaft 15 is connected with a connecting shaft 6 through a universal joint 16, a fourth gear 3.10 is connected on one wheel shaft 3.19 of the trolley main body 12, a third gear 3.9 is connected on the main shaft 14 and positioned in the trolley main body 12, a first push plate 3.6 which is positioned outside the trolley main body 12 and can be abutted against a right side wall body after moving to the right side along with the trolley main body 12 is arranged on the right side of the trolley main body 12, and a second push rod 3., the other end of the second push rod 3.5 is connected with a first connecting piece 3.2, a first hinged seat 3.22 is arranged in the trolley main body 12, a sleeve 3.23 is hinged on the first hinged seat 3.22, the second push rod 3.5 is inserted in the sleeve 3.23 and can move in the sleeve 3.23, two ends of the first connecting piece 3.2 are respectively connected with a first gear shaft 3.18 and a second gear shaft 3.17, the center of the first connecting piece 3.2 is hinged on a connecting seat base 3.4 positioned in the trolley main body 12, the first gear shaft 3.18 is connected with a first gear 3.3, the second gear shaft 3.17 is connected with a second gear 3.8, a wheel shaft connecting rod 3.16 is rotatably connected between the second gear shaft 3.17 and a wheel shaft 3.19 on the fourth gear 3.10, a second push plate 3.14 which is positioned outside the trolley main body 12 and can be abutted against the left side wall body after moving to the left side along with the trolley main body 12 is arranged on the left side, and a first push plate 3.14 is hinged on the second push plate 3.14, the other end of the first push rod 3.1 is rotatably connected to one end of a second connecting piece 3.7, the first push rod 3.1 is further hinged in the trolley main body 12, the other end of the second connecting piece 3.7 is connected with a first gear shaft 3.18, the first gear 3.3 is meshed with a second gear 3.8, the trolley main body 12 moves forward and is driven by the third gear 3.9 to rotate forward and directly meshed with the fourth gear 3.10 through the second gear 3.8, and the trolley main body 12 moves backward and is driven by the third gear 3.9 to rotate backward and drive the second gear 3.8 to be meshed with the fourth gear 3.10 through the first gear 3.3.
In this embodiment, the moving direction of the trolley main body 12 is the same as the parking direction of the catamaran 3, when the trolley main body works, the lower propeller blade 7 captures wave energy and then transmits torque into the trolley main body 12 through the universal joint 17 and the flexible shaft 15 to drive the third gear 3.9 to rotate, at this time, because the second push plate 3.14 and the first push plate 3.6 on both sides do not touch the wall bodies on both sides, it is ensured that the first push rod 3.1, the first gear 3.3, the second push rod 3.5, the second gear 3.8, the third gear 3.9 and the fourth gear 3.10 are in the initial state, that is, the first gear 3.3 and the third gear 3.9 are in the separated state, the third gear 3.9 is engaged with the second gear 3.8, the second gear 3.8 is engaged with the fourth gear 3.10, at this time, the third gear 3.9, the second gear 3.8 and the fourth gear 3.10 participate in linkage (refer to fig. 14), drive wheels to rotate, and move along the trolley guide rail 11, at the moment, the slide block 3.11 is ensured to move rightwards under the action of the wheel shaft connecting rod 3.16, the whole device is driven to carry out dredging action, when the trolley reaches the end of the guide rail 11, the first push plate 3.6 is subjected to the reaction force of a wall to the first push plate, at the moment, under the action of the sleeve 3.23 and the rotating connecting shaft 3.21 in the first hinged seat 3.22, the second push rod 3.5 is driven to advance and swing downwards, so that the first connecting piece 3.2 is driven to approach to the third gear 3.9, the linkage is added to be meshed with the third gear 3.9, at the moment, four gears are linked (refer to a graph 15), wheels are reversely rotated, the slide block 3.11 is driven to move leftwards, so that the trolley runs reversely along the guide rail, and similarly, when the trolley reaches the reverse end of the guide rail, the second push plate 3.14 is subjected to the reaction force of the wall to the second push rod 3.1 to push the second connecting piece 3.7, the first gear 3.3 is driven to withdraw from the linkage, the trolley to move forwards along, in the embodiment, the sleeve 3.23 and the first push rod 3.1 are rotatably connected to corresponding positions in the trolley housing 3.15 through a rotating connecting shaft 3.21, that is, the sleeve 3.23 is rotatably connected to the first hinge seat 3.22 through the rotating connecting shaft 3.21, so as to enable the first push rod 3.1 to hinge around the rotating connecting shaft 3.21 to ensure that when the other end of the first push rod 3.1 is pressed down by the external force of the second push plate 3.14, the other end of the first push rod 3.1 is lifted (to realize a mode of lever swing) to realize a state switching process of linkage or non-linkage between the first gear 3.3 and the third gear 3.9, and the sleeve 3.23 can also rotate around the first hinge seat 3.22, finally the second push rod 3.5 is rotated at the rotating point, and simultaneously, since the second push rod 3.5 is sleeved on the sleeve 3.23, the second push rod 3.5 can rotate and simultaneously realize corresponding displacement in the sleeve 3.23, finally, the first gear 3.3 can be smoothly switched into the state of meshing with or not meshing with the third gear 3.9.
As shown in fig. 13, in order to ensure that the vehicle can travel along a predetermined route during movement and perform a limiting function, two ends of a wheel shaft 3.19 connected with the fourth gear 3.10 are respectively connected with a sliding block 3.11, a horizontal sliding groove 3.20 facilitating the sliding of the sliding block 3.11 is arranged at the front and the rear of a vehicle shell 3.15 of the vehicle main body 12, and each sliding block 3.11 is slidably connected in the horizontal sliding groove 3.20.
As shown in fig. 8, in order to further improve the guiding function, a guide wheel 3.12 is arranged at the front and the rear of the car shell 3.15, the guide rail 11 is in an L-shaped structure, and the guide wheel 3.12 is abutted against and slidably connected with the two sides of the guide rail 11.
In order to prevent the problem of rotation dead points during wave energy conversion, the two adjacent propeller blades 7 are arranged in a staggered mode respectively.
As shown in fig. 7, in order to prevent the problem of the rotation dead point occurring at the time of wave energy conversion and further, as the best preferable solution, to ensure simpler operation, the propeller blades 7 have 3 layers in total and are each staggered by an angle of 60 °.
In order to capture wave energy at a large angle, the water flow passing between a pair of hulls of the catamaran 3 can be guided, the flow passage in the middle is reduced, so that the flow velocity of the water flow is increased, the energy capture efficiency of the blades is improved, the head and tail ends of the two vessels of the catamaran 3 are both in an open structure, and the dredging water area 4 formed between the catamaran 3 is ensured to be horn-shaped.
In order to ensure that the dredging claws are lifted along with the water surface and always contacted with the sea bottom surface, the upper end of each dredging claw 9 is hinged with the rotating disc 8, and the hinged mode adopts a hinged shaft to ensure that the rotating disc 8 is rotatably connected with the dredging claws 9.
In order to ensure that an upward assisting force is realized on the water body during rotation to improve the final cleaning effect, the vertical direction of the propeller blades 7 is inclined to form an inclined angle α (shown in fig. 4) with the bottom of the impeller 17, and the inclined arrangement of the propeller blades 7 in the vertical direction is used for providing an upward lifting force, so that the sludge at the bottom is effectively lifted under the action of the upward lifting force during the rotation of the propeller blades 7, and once the sludge with longer settling time is lifted and stirred, the stirring effect on the sludge and the later quick cleaning effect can be further improved.
The integral working principle is as follows, wave energy is captured through the three layers of propeller blades 7, the wave energy is converted into kinetic energy of an integral system, the rotating disc 8 below the propeller blades is driven to rotate, the four dredging claws 10 are connected with the rotating disc 8 through hinges, sludge around coastal equipment is cleaned, meanwhile due to the spiral angle structure of the propeller blades 7, upward lifting force can be provided for a surrounding basin when the propeller blades rotate, the sludge stirred by the propeller blades 7 is enabled to move upwards, the part of sludge is brought out of a dredging working area where the catamaran 3 stops under the action of tide, power of the propeller blades 7 is further transmitted into the trolley main body 12 above through the universal joints 16 above and the flexible shafts 5, and the trolley can move back and forth along the guide rail 11 through a mechanism in the trolley, so that the sludge on the whole coastline is cleaned.
Therefore, the invention puts a stirring mechanism which can obtain the flood tide of the water in the harbor basin as power to rotate into the dredging water area formed between the catamarans 3 which are stopped on the harbor basin, and the stirring mechanism is composed of more than one layer of propeller blades and impellers, the design can drive the impellers to rotate along with the flood tide by the propeller blades to generate power, finally drives the rotating disk at the lower end of the impellers and the dredging claws on the rotating disk to synchronously rotate, when all the dredging claws rotate by taking the center of the rotating disk as the center of a circle, the dredging claws can stir the silt at the bottom of the dredging water area without accumulation, and take away the silt under the condition of flood tide, finally realizes the aim of dredging the harbor basin, and simultaneously can drive the stirring mechanism to reciprocate under the action of the driving mechanism to achieve the effect of dredging the whole harbor basin back and forth, the whole structure is simple to operate, manual dredging treatment is not needed, and labor cost is reduced.
Claims (9)
1. The utility model provides a harbour pond desilting device based on trend can drive which characterized in that: the sludge dredging device comprises an agitating mechanism (1) which can know the rising and falling tide conditions of water in a harbor basin to rotationally agitate sludge, a driving mechanism (2) which is connected with the agitating mechanism (1) and drives the agitating mechanism (1) to do horizontal reciprocating motion, and a catamaran (3) which is parked on the harbor basin, wherein the water area between the catamarans (3) forms a dredging water area (4), the agitating mechanism (1) is positioned in the dredging water area (4), the driving mechanism (2) is positioned on a dam (5) of the harbor basin, the agitating mechanism (1) comprises a connecting shaft (6), an impeller (17) is arranged on the connecting shaft (6), more than one layer of helical blades (7) which can rotate along with rising tide are longitudinally distributed on the impeller (17), the lower end of the impeller (17) is connected with a rotating disk (8), more than one dredging claw (9) is distributed on the rotating disk (8) and moves circumferentially, the upper end of the connecting shaft (6) is provided with a connecting plate (10), two sides of the connecting plate (10) are respectively positioned on the catamaran (3), and the upper end of the connecting shaft (6) is hinged with the driving mechanism (2).
2. The harbor basin dredging device based on tidal current energy driving as claimed in claim 1, characterized in that: the driving mechanism (2) comprises a guide rail (11) positioned on a harbor basin dam (5) and a trolley main body (12) capable of moving along the guide rail (11), one side of the trolley main body (12) is hinged with the catamaran (3) through a ship hinge (13), a main shaft (14) partially extending out of the trolley main body (12) is arranged in the trolley main body (12), a flexible shaft (15) is connected to the part of the main shaft (14) extending out of the trolley main body (12), the flexible shaft (15) is connected with a connecting shaft (6) through a universal joint (16), a fourth gear (3.10) is connected to one of wheel shafts (3.19) of the trolley main body (12), a third gear (3.9) is connected to the main shaft (14) and positioned in the trolley main body (12), a first push plate (3.6) which is positioned outside the trolley main body (12) and can be abutted against a right side wall body after the trolley main body (12) moves to the right side is arranged on the right side of the trolley, a second push rod (3.5) is hinged on the first push plate (3.6), the other end of the second push rod (3.5) is connected with a first connecting piece (3.2), a first hinged seat (3.22) is arranged in the trolley main body (12), a sleeve (3.23) is hinged on the first hinged seat (3.22), the second push rod (3.5) is inserted in the sleeve (3.23) and can move in the sleeve (3.23), a first gear shaft (3.18) and a second gear shaft (3.17) are respectively connected at two ends of the first connecting piece (3.2), the center of the first connecting piece (3.2) is hinged on a connecting seat base (3.4) in the trolley main body (12), a first gear (3.3) is connected on the first gear shaft (3.18), a second gear (3.8) is connected on the second gear shaft (3.17), a connecting rod (16.19) is connected between the second gear shaft (3.17) and a wheel shaft (3.10) on the fourth gear (3.10), a second push plate (3.14) which is positioned outside the trolley main body (12) and can be abutted against the left wall body after moving to the left along with the trolley main body (12) is arranged at the left side of the trolley main body (12), the second push plate (3.14) is hinged with a first push rod (3.1), the other end of the first push rod (3.1) is rotatably connected with one end of a second connecting piece (3.7), the first push rod (3.1) is also hinged in the trolley main body (12), the other end of the second connecting piece (3.7) is connected with a first gear shaft (3.18), the first gear (3.3) is meshed with a second gear (3.8), and the trolley main body (12) moves forward and is driven by the third gear (3.9) to rotate forward and directly meshed with the fourth gear (3.10) through the second gear (3.8), and the trolley main body (12) moves reversely and is driven by the third gear (3.9) to rotate reversely, and the second gear (3.8) is driven by the first gear (3.3) to be meshed with the fourth gear (3.10).
3. The harbor basin dredging device based on tidal current energy driving as claimed in claim 2, characterized in that: two ends of a wheel shaft (3.19) connected with the fourth gear (3.10) are respectively connected with a sliding block (3.11), a horizontal sliding groove (3.20) convenient for the sliding of the sliding block (3.11) is arranged in front of and behind a trolley shell (3.15) of the trolley main body (12), and each sliding block (3.11) is connected in the horizontal sliding groove (3.20) in a sliding manner.
4. The harbor basin dredging device based on tidal current energy driving as claimed in claim 3, wherein a guide wheel (3.12) is arranged at the front and the rear of the trolley shell (3.15), the guide rail (11) is in L-shaped structure, and the guide wheel (3.12) is abutted against and slidably connected with the two sides of the guide rail (11).
5. The harbor basin dredging device based on tidal current energy driving as claimed in claim 1, 2, 3 or 4, wherein: the two adjacent propeller blades (7) are respectively arranged in a staggered manner.
6. The harbor basin dredging device based on tidal current energy driving, which is characterized in that: the propeller blades (7) have 3 layers in total and are staggered by an angle of 60 degrees.
7. The harbor basin dredging device based on tidal current energy driving as claimed in claim 1, 2, 3 or 4, wherein: the head and the tail of the catamaran (3) are in an open structure, so that a dredging water area (4) formed by the catamaran (3) is ensured to be horn-shaped.
8. The harbor basin dredging device based on tidal current energy driving as claimed in claim 1, 2, 3 or 4, wherein: the upper end of each dredging claw (9) is hinged with the rotating disc (8).
9. The harbor basin dredging device based on tidal current energy driving as claimed in claim 1, 2, 3 or 4, wherein: the vertical direction of the propeller blades (7) is obliquely arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010368547.2A CN111501884B (en) | 2020-05-01 | 2020-05-01 | Harbor basin dredging device based on tidal current energy driving |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010368547.2A CN111501884B (en) | 2020-05-01 | 2020-05-01 | Harbor basin dredging device based on tidal current energy driving |
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| CN111501884B CN111501884B (en) | 2022-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113235509A (en) * | 2021-04-01 | 2021-08-10 | 樊好河 | Raise sand device of administering yellow river |
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| CN1122857A (en) * | 1995-04-19 | 1996-05-22 | 沈学斌 | Roller winch type machine for removing mud and sand and method thereof |
| US6374519B1 (en) * | 1998-04-01 | 2002-04-23 | Seabed Impellex Levelling And Trenching Limited | Dredging apparatus |
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| CN111501884B (en) | 2022-04-01 |
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Effective date of registration: 20221123 Address after: 200120 8 Chuansha Road, Pudong New Area, Shanghai, 1098 Patentee after: Rodman (Shanghai) Marine Technology Co.,Ltd. Address before: 315100 No. 1, Qian Hunan Road, Ningbo Higher Education Park, Zhejiang Patentee before: Zhejiang University of science and engineering Ningbo |