CN116335223A - Mud dredging device for river bottom mud - Google Patents

Abstract

The application discloses a dredger for river bottom mud, which comprises a ship body, a connecting arm, a collecting bucket, a mud shoveling mechanism and a mud sucking mechanism; the ship body floats on the water surface, one end of the connecting arm is arranged on the ship body, the collecting hopper is connected with the other end of the connecting arm, and one side of the collecting hopper is provided with a mud inlet; the mud shoveling mechanism comprises a mud shoveling plate, a guide plate and a guide wheel, one side of the mud shoveling plate is connected to the side edge of the bottom plate of the collection bucket, the mud shoveling plate is located on one side of the mud inlet of the collection bucket, the guide plate is connected to the side edge of the top surface of the mud shoveling plate, the guide plate is perpendicular to one side of the mud inlet of the collection bucket, the guide wheel is rotated and connected to the side surface of the guide plate, away from the mud shoveling plate, of the guide wheel is abutted to the bottom surface of a river bed, the collection bucket is used for collecting the bottom mud shoveled by the mud shoveling plate, and the mud suction mechanism is used for absorbing the bottom mud in the collection bucket and discharging the bottom mud out of a river channel. The river bed protection device has the effects of protecting the river bed and reducing the seepage of river water flow.

Description

Dredging device for river bottom mud

technical field

The invention relates to the technical field of desilting equipment, in particular to a dredging device for river bottom mud.

Background technique

During the long-term use of the river channel, due to the flow of water and the drive of rainwater, sediment will be deposited at the bottom of the river bed. The thickness of the sediment stack will increase, and the water level of the river will increase accordingly, and the water storage capacity and drainage capacity of the river will decrease. , so it is necessary to regularly clean up the bottom mud of the river.

It is more common to remove the bottom mud of the river channel by an excavator beside the river, or place the excavator in the river channel through a floating pad to remove the bottom mud, and the excavator uses a bucket to dig out the bottom mud on the river bed.

In some river constructions, in order to better retain the water flow of the river, bricks are laid on the river bed and cement is laid on the bricks to isolate the water in the river from contact with the soil and prevent the water from infiltrating into the ground. It is difficult for the operator to control the distance between the bucket and the river bed when the bottom mud is in the ground. In order to dig out as much bottom mud as possible, the operator digs the bucket down to touch the river bed. The bucket can easily break the river bed, causing a large amount of water flow in the river. seepage problem.

Contents of the invention

In order to protect the river bed and improve the problem of massive infiltration of river water flow, the present application provides a dredging device for river bottom mud.

A dredging device for river bottom mud provided by the application adopts the following technical scheme:

A dredging device for river bottom mud, comprising a hull, a connecting arm, a collecting bucket, a dredging mechanism and a dredging mechanism; the hull floats on the water surface, one end of the connecting arm is installed on the hull, and the collecting bucket Connected to the other end of the connecting arm, a mud inlet is provided on one side of the collecting bucket; the dredging mechanism includes a dredging plate, a guide plate and a guide wheel, and one side of the dredging plate is connected to the The side of the bottom plate of the collecting bucket, the scraper is located on one side of the mud inlet of the collecting bucket, the guide plate is connected to the side of the top surface of the scraper, and the guide plate is perpendicular to On one side of the mud inlet of the collection bucket, the guide wheel is rotatably connected to the side of the guide plate away from the dredging plate, the guide wheel abuts against the bottom surface of the river bed, and the collection bucket is used to In order to collect the bottom mud removed by the dredging board, the mud suction mechanism is used to absorb the bottom mud in the collecting bucket and discharge the bottom mud out of the river channel.

By adopting the above-mentioned technical scheme, when cleaning the bottom mud of the river channel, the connecting arm extends the collecting bucket into the water surface, so that the guide wheel abuts against the bottom surface of the river bed, the hull drives the connecting arm to move forward, and the connecting arm drives the collecting bucket to move forward , the collecting bucket pushes the shovel plate to move forward, the shovel lifts up the sediment on the bottom of the river bed, and under the push of the subsequent sediment and water flow, the sediment enters the collection center, and the sediment stacked in the collection bucket is sucked When the mechanism discharges the river, compared with digging out the bottom mud by the excavator, the dredging board can reduce the occurrence of the release from the river bed, thereby reducing the damage to the river bed and reducing the infiltration of the river water flow.

Optionally, a filter screen is connected to the side of the collecting bucket, the filter screen is located at the mud inlet, and the filter screen is used to filter garbage.

By adopting the above technical scheme, when the mud scraper scoops up the bottom mud, in order to reduce the impact of garbage on the mud suction mechanism, a filter screen is provided at the mud inlet, and the filter screen is used to block garbage.

Optionally, a cleaning mechanism is also included, the cleaning mechanism includes a connecting rod, a needle and a driving assembly, the driving assembly is installed on the collection bucket, and the driving assembly is used to drive the connecting rod along the filter screen Surface movement, the needles are provided with multiple, the needles are connected to the side of the connecting rod close to the filter; the filter is made of criss-cross steel bars, and the filter is set There are grooves, and the two ends of the grooves are connected to the two ends of the horizontal steel bars of the filter screen; the needles are respectively corresponding to one of the grooves, and the needles slide in the grooves.

By adopting the above-mentioned technical scheme, the filter net blocks the garbage on the net, but the garbage is easy to block the mud inlet, so the driving component drives the connecting rod to move, the connecting rod drives the needle to move, the needle slides in the groove, and the needle will be attached to the filter. The garbage on the surface of the net is hooked, and the connecting rod pushes the garbage to both sides of the collection bucket to reduce the obstruction of the garbage on the mud inlet.

Optionally, the drive assembly includes a first sprocket, a second sprocket, a first chain, a connecting shaft, a first bevel gear, a transmission rod, a second bevel gear, a third sprocket, a fourth sprocket, a Two chains, a rotating sliding sleeve, a sliding sliding sleeve and a limit rod; the first sprocket is fixedly connected to the guide wheel coaxially, the connecting shaft is connected to the top surface of the collecting bucket in rotation, and the axis of the connecting shaft Parallel to the axis of the first sprocket, the second sprocket is rotatably connected to the connecting shaft, the first chain is wound on the first sprocket and the second sprocket, the The first bevel gear is coaxial and fixedly connected to the connecting shaft; the transmission rod is rotatably connected to the top surface of the top plate of the collecting bucket, the transmission rod is perpendicular to the filter screen, and the second bevel gear is coaxial Fixedly connected to the transmission rod, the second bevel gear meshes with the first bevel gear; the third sprocket is coaxially fixedly connected to the transmission rod, and the fourth sprocket is rotatably connected to the The top surface of the top plate of the collecting bucket, the third sprocket and the fourth sprocket are coplanar, and the second chain is wound on the third sprocket and the fourth sprocket; The rotating sliding sleeve is rotatably connected to the side of the second chain, the connecting rod slides in the rotating sliding sleeve, the limiting rod is connected to the top surface of the collecting bucket top plate, and the limiting rod is parallel to The second chain is located above the second chain, the sliding sleeve slides on the limit rod, and the connecting rod is fixedly connected to the sliding sleeve.

By adopting the above technical solution, when the connecting rod needs to be driven to move, the guide wheel rolls, the guide wheel drives the first sprocket to rotate, the first sprocket drives the second sprocket to rotate through the first chain, and the second sprocket drives the connecting shaft to rotate , the connecting shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the transmission rod to rotate, the transmission rod drives the third sprocket to rotate, the third sprocket drives the fourth sprocket through the second chain When the sprocket rotates, the movement of the second chain drives the movement of the sliding sleeve, and the rotation of the sliding sleeve can drive the movement of the connecting rod; since the second chain moves around the third sprocket and the fourth sprocket, the connecting rod is fixedly connected to the sliding sleeve And the sliding sleeve slides on the limit rod, so that the connecting rod slides in the rotating slide, and the connecting rod can reciprocate with the second chain.

Optionally, a water outlet is provided on the top of the side plate of the collecting bucket away from the mud scraper, and the water outlet is used for the water entering the collecting bucket to flow out.

By adopting the above-mentioned technical scheme, the water flow in the river channel is poured into the collecting bucket. In order to make it difficult for the poured water to wash the sediment out of the collecting bucket, a water outlet is set on the collecting bucket, and the water flows into the collecting bucket. Outflow, less erosion of the sediment in the collection bucket.

Optionally, the dredging mechanism includes a dredging pipe, a dredging pump and a dredging pipe; the dredging pump is installed on the hull, one end of the dredging pipe is connected to the dredging pump, and the dredging pump is connected to the dredging pump. The other end of the dredging pipe is connected to the bottom of the side plate on the side of the collecting bucket away from the scraper, the dredged pipe is installed on the hull, and one end of the dredged pipe is connected to the dredged pump , the mud discharge pipe is used to discharge the bottom mud.

By adopting the above-mentioned technical scheme, when the bottom mud is accumulated in the collecting bucket, start the dredging pump, and the mud pumping pipe is connected to the bottom of the collecting bucket. It is bottom mud, less river water is sucked in, and then discharged through the mud discharge pipe, which can reduce the discharge of water in the river.

Optionally, the dredging pipe includes a flat pipe and a round pipe, one end of the flat pipe communicates with the bottom of the side plate of the collection hopper away from the dredging plate, and the flat pipe is connected to the bottom of the collection hopper The bottom plate is flush, the round pipe is connected to a point of the flat pipe away from the collection bucket, and the end of the round pipe far away from the flat pipe is connected to the dredge pump.

By adopting the above technical solution, the flat tube is connected to the collection bucket. Compared with the connection through the round tube, the nozzle height of the flat tube is lower than that of the round tube, and the flat tube can better fit the bottom of the collection bucket, and can be more It is good to absorb the sediment into the flat tube, and the round tube has a higher nozzle, which is easy to suck the water into the tube.

Optionally, the connecting arm includes a lifting rod, a sliding rod, a spring, a connecting plate, a rotating shaft and a lifting assembly, the lifting rod slides on the hull, one end of the lifting rod extends into the channel, and the lifting assembly Installed on the hull, the lifting assembly is used to drive the lifting rod up and down, the bottom end of the lifting rod is provided with a chute, the sliding rod is slidably connected to the inner wall of the chute, and the spring is set In the chute, one end of the spring abuts against the bottom of the chute, the other end of the spring abuts against the top surface of the slide bar, and the connecting plate is fixedly connected to the collector On the top surface of the bucket top plate, the rotating shaft is fixedly connected to the connecting plate, the rotating shaft is parallel to the dredge plate, and the end of the sliding rod away from the elevating rod is rotationally connected to the rotating shaft.

By adopting the above technical scheme, when the collecting bucket is moving underwater, when the collecting bucket encounters a foreign object bulging underwater, the collecting bucket raises the mud scraper through the guide wheel, and the collecting bucket rotates around the rotating shaft, and if the foreign matter enters the bottom of the collecting bucket , the foreign matter lifts the collecting bucket, the collecting bucket pushes the slide bar, and the sliding bar compresses the spring to make the collecting bucket pass over the larger foreign matter, and then the collecting bucket resets; the driving component drives the lifting rod to go up and down.

Optionally, the end of the slide rod is in the form of a semi-cylindrical body, the rotating shaft passes through the center of the semi-cylindrical body at the end of the slide rod, the bottom surface of the top plate of the collecting bucket is connected to a limiting plate, and the limiting plate is located at the The side of the slide bar that is away from the forward direction of the hull, the top surface of the limit plate is coplanar with the center of the semi-cylindrical body at the end of the slide bar, and the limit plate abuts against the end of the slide bar half cylinder.

By adopting the above technical scheme, when the collection bucket is squeezed and rotated by foreign matter, the collection bucket can only rotate forward, because the limit plate abuts against the semi-cylindrical body of the slide rod, making it difficult for the collection bucket to turn backwards, resulting in sediment Flush into the collection hopper and slide out.

In summary, the present application includes at least one of the following beneficial technical effects:

1. When cleaning the bottom mud of the river channel, the connecting arm extends the collecting bucket into the water surface, so that the guide wheel touches the bottom surface of the river bed, the hull drives the connecting arm to move forward, the connecting arm drives the collecting bucket to move forward, and the collecting bucket pushes The shovel plate moves forward, and the shovel plate scoops up the bottom mud on the bottom of the river bed. Under the promotion of the subsequent bottom mud and water flow, the bottom mud enters the collection center, and the bottom mud stacked in the collection bucket is discharged out of the river channel through the suction mechanism. , compared with excavating the bottom mud by excavators, the use of dredging boards can reduce the occurrence of release from the river bed, thereby reducing the damage to the river bed and reducing the occurrence of infiltration of river water flow;

2. When the scraper scoops up the bottom mud, in order to reduce the impact of garbage on the mud suction mechanism, a filter is installed at the mud inlet, and the filter is used to block garbage;

3. The filter screen blocks the garbage on the net, but the garbage is easy to block the mud inlet, so the driving component drives the connecting rod to move, the connecting rod drives the needle to move, the needle slides in the groove, and the needle will stick to the garbage on the surface of the filter After hooking, the connecting rod pushes the garbage to both sides of the collection bucket, reducing the obstruction of the garbage to the mud inlet.

Description of drawings

Fig. 1 is a schematic structural diagram of a dredging device according to an embodiment of the present application.

Fig. 2 is a schematic structural view of the collection bucket of the embodiment of the present application.

Fig. 3 is a structural schematic diagram of another viewing angle of the collecting bucket of the embodiment of the present application.

Fig. 4 is a structural schematic diagram of another viewing angle of the collecting bucket of the embodiment of the present application.

Explanation of reference signs:

1, hull; 2, connecting arm; 21, lifting rod; 211, chute; 212, limit ring; 22, slide bar; 221, baffle plate; 23, spring; 24, connecting plate; 25, rotating shaft; 26, Lifting assembly; 261, motor; 262, gear; 263, straight rack; 27, limit plate; 3, collecting bucket; 31, mud inlet; 32, filter screen; 321, groove; 33, water outlet; 4 , mud removal mechanism; 41, mud removal plate; 42, guide plate; 43, guide wheel; 5, mud suction mechanism; 51, mud suction pipe; 511, flat pipe; , mud discharge pipe; 6, cleaning mechanism; 61, connecting rod; 62, needle; 63, driving assembly; 631, first sprocket; 632, second sprocket; 633, first chain; 634, connecting shaft; 635 , the first bevel gear; 636, the transmission rod; 637, the second bevel gear; 638, the third sprocket; 639, the fourth sprocket; 6310, the second chain; 6311, the rotating sliding sleeve; 6312, the sliding sliding sleeve; 6313, limit rod; 7, storage box.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-4.

The embodiment of the application discloses a dredging device for river bottom mud. Referring to Fig. 1, the dredging device comprises a hull 1, a connecting arm 2, a collecting bucket 3, a dredging mechanism 4, a dredging mechanism 5 and a cleaning mechanism 6; The bottom surface of 7 is connected with the bottom surface of the hull 1; the connecting arm 2 is slidably connected in the storage box 7, one end of the connecting arm 2 extends into the bottom of the water, and the collecting bucket 3 is connected to the end of the connecting arm 2 extending into the bottom of the water, and the collecting bucket 3 is used to collect sediment , The dredging mechanism 4 is installed on the collecting bucket 3, the dredging mechanism 4 is used to scoop up the bottom mud, the dredging mechanism 5 is installed on the collecting bucket 3, and the dredging mechanism 5 is used to suck away the bottom mud in the collecting bucket 3 and discharged out of the river.

With reference to Fig. 2 and 3, collecting bucket 3 is rectangular parallelepiped, and one side of collecting bucket 3 is communicated with and is set as mud inlet 31, and the mud inlet 31 of collecting bucket 3 is towards the advancing direction of hull 1, and collecting bucket 3 is away from mud inlet 31 side. The board is inclined and the top of the side plate is provided with a water flow port 33. The water flow port 33 is used for the flow of water entering the collection bucket 3 to flow out. When the collection bucket 3 is moving underwater, the water flow is poured into the collection bucket 3. For the bottom mud in the collection bucket 3 , the water flow flows out from the water outlet 33 , which reduces the erosion of the bottom mud in the collection bucket 3 .

2 and 3, the scraper mechanism 4 includes a scraper 41, a guide plate 42 and a guide wheel 43, and one side of the scraper 41 is connected to the side of the bottom plate of the collection bucket 3, and the scraper 41 is positioned at the bottom of the collection bucket 3. On one side of the mud inlet 31, there are two guide plates 42, and the two guide plates 42 are connected to both sides of the top surface of the dredge plate 41, and the guide plates 42 are perpendicular to one side of the mud inlet 31 of the collecting bucket 3 , there are two guide wheels 43, and the two guide wheels 43 are respectively rotatably connected to the sides of the two guide plates 42 away from the scraper 41, the guide wheels 43 are in contact with the bottom surface of the river bed, and the sides of the ends of the scraper 41 are located at the guide Wheel 43 side ranges.

Referring to Fig. 2, the collecting bucket 3 is connected with a filter screen 32 near one side of the scraper plate 41, the filter screen 32 is made of criss-cross steel bars, the filter screen 32 is positioned at the side of the mud inlet 31, and the filter screen 32 is used for filtering Garbage; the filter screen 32 is provided with grooves 321 on the horizontal reinforcement, and the two ends of the groove 321 are connected to the two ends of the filter screen 32 horizontal reinforcement.

With reference to Fig. 2, cleaning mechanism 6 comprises connecting rod 61, needle 62 and driving assembly 63, and driving assembly 63 is installed on the collection bucket 3, and driving assembly 63 is used for driving connecting rod 61 to move along filter screen 32 surfaces, and connecting rod 61 and filter The horizontal steel bars of the net 32 are perpendicular to each other, and there are multiple needles 62, which are connected to the side of the connecting rod 61 close to the filter screen 32. The needles 62 respectively correspond to a groove 321, and the needles 62 slide in the groove 321.

2 and 3, the driving assembly 63 includes a first sprocket 631, a second sprocket 632, a first chain 633, a connecting shaft 634, a first bevel gear 635262, a transmission rod 636, a second bevel gear 637262, a third The sprocket 638, the fourth sprocket 639, the second chain 6310, the rotating sliding sleeve 6311, the sliding sliding sleeve 6312 and the limit rod 6313; the first sprocket 631 is coaxially fixedly connected to the side of the guide wheel 43 away from the guide plate 42 The top surface of the top plate of the collecting bucket 3 is fixedly connected with a bracket, and the connecting shaft 634 is rotatably connected to the bracket. The axis of the connecting shaft 634 is parallel to the axis of the first sprocket 631. The second sprocket 632 is rotatably connected to the connecting shaft 634, the first sprocket 631 and the second sprocket 632 are coplanar, the first chain 633 is wound on the first sprocket 631 and the second sprocket 632, and the first bevel gear 635262 is coaxially fixedly connected to the connecting shaft 634, the first bevel gear 635262 is located on the side of the second sprocket 632 close to the collection bucket 3; the top surface of the top plate of the collection bucket 3 is also fixedly connected with a bracket, and one end of the transmission rod 636 is rotatably connected to the bracket On the top, the transmission rod 636 is located on the side of the connecting shaft 634 close to the scraper plate 41, the transmission rod 636 is perpendicular to the filter screen 32, the second bevel gear 637262 is coaxially fixedly connected to the transmission rod 636, and the second bevel gear 637262 meshes On the first bevel gear 635262; the third sprocket 638 is coaxially fixedly connected to the end of the transmission rod 636, the third sprocket 638 is located on the side of the second bevel gear 637262 away from the connecting shaft 634, and the fourth sprocket 639 passes through The support that is arranged on the top surface of the collection bucket 3 is rotatably connected, the third sprocket 638 and the fourth sprocket 639 are coplanar, and the third sprocket 638 and the fourth sprocket 639 are respectively located on both sides of the collection bucket 3 and stretch out to collect Outside the bucket 3, the second chain 6310 is wound around the third sprocket 638 and the fourth sprocket 639; the rotating sliding sleeve 6311 is rotatably connected to the side of the second chain 6310 away from the collecting bucket 3, and the connecting rod 61 slides on the rotating sliding sleeve. In the sleeve 6311, the two ends of the stop rod 6313 are fixedly connected to the top surface of the collecting bucket 3 top plate through the connecting frame, the stop rod 6313 is parallel to the second chain 6310 and is located above the second chain 6310, and the length of the stop rod 6313 is longer than The length of the second chain 6310, the sliding sleeve 6312 slides on the limit rod 6313, and the connecting rod 61 is fixedly connected to the sliding sleeve 6312.

When the guide wheel 43 rolls at the bottom of the river bed, it drives the first sprocket 631 to rotate, the first sprocket 631 drives the second sprocket 632 to rotate through the first chain 633, and the second sprocket 632 drives the first bevel gear 635262 through the connecting shaft 634 Rotate, the first bevel gear 635262 drives the second bevel gear 637262 to rotate, the second bevel gear 637262 drives the transmission rod 636 to rotate, the transmission rod 636 drives the third sprocket 638 to rotate, the third sprocket 638 drives the fourth sprocket through the second chain 6310 The sprocket 639 rotates, the second chain 6310 drives the rotating sliding sleeve 6311 to move during the rotating process, the rotating sliding sleeve 6311 drives the connecting rod 61 to move, the connecting rod 61 drives the needle head 62 to slide in the groove 321, and the needle head 62 will cover the filter The garbage on the surface of the net 32 is caught, and the second chain 6310 continues to drive the connecting rod 61 to move outside the groove 321. The garbage lacks the blocking of the filter screen 32, and the garbage is washed away under the action of the water flow; the second chain 6310 continues to drive the connecting rod 61 resets, at this time, the rotating sliding sleeve 6311 rises with the second chain 6310, and the connecting rod 61 slides on the limit rod 6313 through the sliding sliding sleeve 6312. Since the limiting rod 6313 restricts the connecting rod 61 to move horizontally, the connecting rod 61 As the second chain 6310 is reset, the connecting rod 61 continues to slide in the groove 321 with the needle 62 to catch the garbage, and the needle 62 slides out of the other side of the groove 321.

Referring to Fig. 1 and Fig. 3, the mud suction mechanism 5 comprises a mud suction pipe 51, a mud suction pump 52 and a mud discharge pipe 53; the mud suction pump 52 is installed on the top surface of the storage box 7; The mud pipe 51 comprises a flat pipe 511 and a circular pipe 512. One end of the flat pipe 511 is connected to the bottom of the side plate on one side of the collecting bucket 3 away from the scraper plate 41. A plurality of flat pipes 511 are evenly distributed along the side of the collecting bucket 3. The flat pipe 511 and the The bottom plate of the collection bucket 3 is flush, and the round pipe 512 is connected to the end of the flat pipe 511 away from the collection bucket 3, and the end of the multiple round pipes 512 away from the flat pipe 511 is connected to the dredging pump 52; the mud discharge pipe 53 is installed on the hull 1, one end of the mud discharge pipe 53 is connected to the dredge pump 52, and the mud discharge pipe 53 is used to discharge the sediment out of the river course.

The shovel plate 41 introduces the bottom mud into the collection bucket 3, and the bottom mud is stacked at the bottom of the collection bucket 3. The flat pipe 511 is connected to the bottom of the collection bucket 3. The bottom mud is just stacked at the mouth of the flat pipe 511. Start the mud pump 52 to The bottom mud is discharged from the mud discharge pipe 53.

Referring to Fig. 1 and Fig. 4, the connecting arm 2 includes a lifting rod 21, a sliding rod 22, a spring 23, a connecting plate 24, a rotating shaft 25 and a lifting assembly 26, the lifting rod 21 slides vertically in the storage box 7, and one end of the lifting rod 21 extends Into the river, the lifting assembly 26 includes a motor 261, a gear 262 and a spur rack 263, the motor 261 is installed on the top surface of the storage box 7, the gear 262 is coaxially fixedly connected to the output shaft of the motor 261, and the spur rack 263 is connected to the lifting rod 21, the spur rack 263 meshes with the gear 262; the end surface of the bottom end of the elevating rod 21 is provided with a chute 211, the inner wall of the chute 211 notch is connected with the limit ring 212, and the sliding rod 22 is slidably connected to the inner wall of the chute 211, and the sliding The top surface of the rod 22 is connected with a baffle plate 221, the baffle plate 221 is used to abut against the limit ring 212 to limit the sliding rod 22 from sliding out of the chute 211, the spring 23 is arranged in the chute 211, and one end of the spring 23 abuts against the slide groove 211. At the bottom of the groove 211, the other end of the spring 23 abuts against the top surface of the baffle plate 221, the connecting plate 24 is fixedly connected to the top surface of the collecting bucket 3 top plate, the rotating shaft 25 is fixedly connected on the connecting plate 24, and the rotating shaft 25 is parallel to the shovel The mud plate 41, the rotating shaft 25 is perpendicular to the side of the collecting bucket 3, and the end of the sliding rod 22 away from the elevating rod 21 is rotated to connect the rotating shaft 25; the end of the sliding rod 22 is a half cylinder, and the rotating shaft 25 passes through the half cylinder at the end of the sliding rod 22 Center of circle, collecting bucket 3 top plate bottom surfaces are connected with limiting plate 27, and limiting plate 27 is positioned at slide bar 22 and deviates from the side of hull 1 advancing direction, and limiting plate 27 top surfaces are coplanar with the center of circle of slide bar 22 end half cylinders, The limiting plate 27 abuts against the semi-cylindrical body at the end of the sliding rod 22 .

When the collecting bucket 3 is moving underwater, when the collecting bucket 3 encounters a foreign matter bulging underwater, due to the limitation of the limit plate 27, the collecting bucket 3 lifts the scraper 41 through the guide wheel 43, and the collecting bucket 3 revolves around the rotating shaft 25 Rotation occurs in the forward direction. If a foreign object enters the bottom of the collecting bucket 3, the foreign object will lift the collecting bucket 3, and the collecting bucket 3 pushes the slide bar 22, and the slide bar 22 compresses the spring 23, so that the collecting bucket 3 passes over the larger foreign object, and then the collecting bucket 3 is reset under the action of the spring 23; when it is necessary to adjust the underwater position of the collecting bucket 3, the motor 261 drives the gear 262, the gear 262 drives the spur rack 263 to move, and the spur rack 263 drives the elevating rod 21 to move, and the collecting bucket can be adjusted 3, and the collection bucket 3 and the scraper 41 can be received in the storage box 7.

The implementation principle of a dredging device for river bottom mud in the embodiment of the present application is as follows: when cleaning the river bottom mud, the connecting arm 2 extends the collecting bucket 3 into the water surface, so that the guide wheel 43 abuts against the bottom surface of the river bed, and the hull 1 drives the connecting arm 2 to move forward, and the connecting arm 2 drives the collecting bucket 3 to move forward. The collecting bucket 3 moves underwater through the guide wheel 43, pushing the scraper 41 to move forward, and the scraper 41 scoops up the bottom mud , under the impetus of the follow-up bottom mud, the bottom mud will enter the collection bucket 3, start the mud pump 52, and the mud suction pipe 51 will extract the bottom mud in the collection bucket 3, and discharge it from the mud discharge pipe 53. The excavator excavates the bottom mud, and the dredging plate 41 can reduce the occurrence of disengagement with the river bed, thereby reducing damage to the river bed and reducing the occurrence of infiltration of river water flow.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (9)

1. a dredging device for river bottom mud, is characterized in that, comprises: hull (1), connecting arm (2), collecting bucket (3), dredging mechanism (4) and dredging mechanism (5); The hull (1) floats on the water surface, one end of the connecting arm (2) is installed on the hull (1), the collecting bucket (3) is connected to the other end of the connecting arm (2), and the collecting One side of the bucket (3) is provided with a mud inlet (31); the scraper mechanism (4) includes a scraper (41), a guide plate (42) and a guide wheel (43), and the scraper (41 ) one side is connected to the side of the bottom plate of the collecting bucket (3), the scraper plate (41) is located on one side of the mud inlet (31) of the collecting bucket (3), and the guide The plate (42) is connected to the side of the top surface of the scraper plate (41), and the guide plate (42) is perpendicular to one side of the mud inlet (31) of the collecting bucket (3), so The guide wheel (43) is rotatably connected to the side of the guide plate (42) away from the dredge plate (41), the guide wheel (43) abuts against the bottom surface of the river bed, and the collecting bucket (3) is used to In order to collect the bottom mud removed by the dredge plate (41), the mud suction mechanism (5) is used to absorb the bottom mud in the collecting bucket (3) and discharge the bottom mud out of the river channel. 2. A dredging device for river bottom mud according to claim 1, characterized in that: a filter screen (32) is connected to the side of the collecting bucket (3), and the filter screen (32) is located at the inlet Mud mouth (31), described filter screen (32) is used for filtering rubbish. 3. The dredging device for a kind of river bottom mud according to claim 2, characterized in that: it also includes a cleaning mechanism (6), and the cleaning mechanism (6) includes a connecting rod (61), a needle (62) and A drive assembly (63), the drive assembly (63) is installed on the collection bucket (3), and the drive assembly (63) is used to drive the connecting rod (61) along the surface of the filter screen (32) Move, the needle (62) is provided with a plurality of, the needle (62) is connected to the side of the connecting rod (61) close to the filter (32); the filter (32) is criss-cross The reinforcing bar of described filter screen (32) is provided with groove (321) on the steel bar, and the two ends of described groove (321) are connected with the two ends of described filter screen (32) horizontal steel bar; The needles (62) respectively correspond to one of the grooves (321), and the needles (62) slide in the grooves (321). 4. The dredging device for river bottom mud according to claim 3, characterized in that: the drive assembly (63) comprises a first sprocket (631), a second sprocket (632), a first chain (633), connecting shaft (634), first bevel gear (635) (262), transmission rod (636), second bevel gear (637) (262), third sprocket (638), fourth sprocket (639), the second chain (6310), the rotating sliding sleeve (6311), the sliding sliding sleeve (6312) and the limit rod (6313); the first sprocket (631) is coaxially fixedly connected to the guide wheel (43), the connecting shaft (634) is rotatably connected to the top surface of the collecting bucket (3), the axis of the connecting shaft (634) is parallel to the axis of the first sprocket (631), and the second The sprocket (632) is rotatably connected to the connecting shaft (634), the first chain (633) is wound around the first sprocket (631) and the second sprocket (632), and the The first bevel gear (635) (262) is coaxially fixedly connected to the connecting shaft (634); the transmission rod (636) is rotatably connected to the top surface of the top plate of the collection bucket (3), (636) perpendicular to the filter screen (32), the second bevel gear (637) (262) is coaxially fixedly connected to the transmission rod (636), and the second bevel gear (637) (262 ) meshes with the first bevel gear (635) (262); the third sprocket (638) is coaxially fixedly connected to the transmission rod (636), and the fourth sprocket (639) is rotatably connected On the top surface of the top plate of the collection bucket (3), the third sprocket (638) and the fourth sprocket (639) are in the same plane, and the second chain (6310) is wound around the third sprocket (6310). on the sprocket (638) and the fourth sprocket (639); the rotating sleeve (6311) is rotatably connected to the side of the second chain (6310), and the connecting rod (61) slides on the In the rotating sliding sleeve (6311), the limit rod (6313) is connected to the top surface of the top plate of the collection bucket (3), the limit rod (6313) is parallel to the second chain (6310) and located Above the second chain (6310), the sliding sleeve (6312) slides on the limit rod (6313), and the connecting rod (61) is fixedly connected to the sliding sleeve (6312). 5. The dredging device for a kind of river bottom mud according to claim 1, characterized in that: the top of the side plate on the side of the collecting bucket (3) away from the dredge plate (41) is provided with a water outlet ( 33), the water outlet (33) is used for the water entering the collecting bucket (3) to flow out. 6. The dredging device for a kind of river bottom mud according to claim 1, characterized in that: the dredging mechanism (5) comprises a dredging pipe (51), a dredging pump (52) and a dredging pipe ( 53); the dredging pump (52) is installed on the hull (1), and one end of the dredging pipe (51) is communicated with the dredging pump (52), and the side of the dredging pipe (51) The other end communicates with the bottom of the side plate on the side of the collecting bucket (3) away from the scraper plate (41), the mud discharge pipe (53) is installed on the hull (1), and the mud discharge pipe One end of (53) is connected to the dredging pump (52), and the dredged pipe (53) is used to discharge the sediment. 7. The dredging device for river bottom mud according to claim 6, characterized in that: the dredging pipe (51) comprises a flat pipe (511) and a round pipe (512), and the flat pipe (511 ) is connected to the bottom of the side plate of the collection bucket (3) away from the scraper plate (41), the flat tube (511) is flush with the bottom plate of the collection bucket (3), and the circular The pipe (512) communicates with a point of the flat pipe (511) away from the collecting bucket (3), and the end of the round pipe (512) away from the flat pipe (511) communicates with the dredge pump (52 ). 8. A dredging device for river bottom mud according to claim 1, characterized in that: the connecting arm (2) comprises a lifting rod (21), a sliding rod (22), a spring (23), a connecting plate (24), rotating shaft (25) and elevating assembly (26), described elevating rod (21) slides on the described hull (1), and one end of described elevating rod (21) stretches in the river channel, and described elevating assembly ( 26) Installed on the hull (1), the lifting assembly (26) is used to drive the lifting rod (21) up and down, and the bottom end surface of the lifting rod (21) is provided with a chute (211), so The sliding rod (22) is slidably connected to the inner wall of the sliding groove (211), the spring (23) is arranged in the sliding groove (211), and one end of the spring (23) abuts against the sliding groove (211). The bottom of the groove (211), the other end of the spring (23) abuts against the top surface of the slide bar (22), and the connecting plate (24) is fixedly connected to the top plate of the collecting bucket (3). On the top surface, the rotating shaft (25) is fixedly connected to the connecting plate (24), the rotating shaft (25) is parallel to the mud scraper (41), and the sliding rod (22) is away from the lifting rod One end of (21) is rotatably connected to the rotating shaft (25). 9. A dredging device for river bottom mud according to claim 8, characterized in that: the end of the sliding rod (22) is a semi-cylindrical body, and the rotating shaft (25) passes through the sliding rod ( 22) The center of the semi-cylindrical circle at the end, the bottom surface of the top plate of the collection bucket (3) is connected with a limiting plate (27), and the limiting plate (27) is located at the position where the slide bar (22) is away from the hull (1) On one side of the advancing direction, the top surface of the limiting plate (27) is coplanar with the center of the semi-cylindrical body at the end of the slide bar (22), and the limiting plate (27) abuts against the sliding bar ( 22) Half cylinder at the end.

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