CN216075312U - Be used for river course dredging device - Google Patents

Abstract

The utility model relates to the technical field of hydraulic engineering and discloses a river channel dredging device which comprises a sewage inlet pipe, wherein four groups of first supporting legs are arranged on the right side of the sewage inlet pipe, the top ends of the first supporting legs are fixedly connected with a water pump frame, the upper surface of the water pump frame is fixedly connected with a sewage suction pump, and the input end of the sewage suction pump is fixedly connected with the right end of the sewage inlet pipe. This be used for river course dredging device, it rotates to drive the separator bar through the chain, impurity such as plastic bag removes along the clearance board in the separator bar drives the silt, come out the impurity separation in the silt, then separation rail and separator bar cooperation, peel off the impurity on the separator bar, fall into the clearance board left side, reduce difficult kibbling impurity such as plastic bag and handle the influence that produces to the silt, the overall efficiency of desilting work has been improved, separation rail is simultaneously to the peeling off of impurity, the effectual influence that reduces impurity to device stability, the stability of device desilting efficiency has been guaranteed, the effectual desilting efficiency that has improved.

Description

Be used for river course dredging device

Technical Field

The utility model relates to the technical field of hydraulic engineering, in particular to a dredging device for a river channel.

Background

River channel siltation has increasingly influenced the normal play of various functions such as flood control, waterlogging drainage, irrigation, water supply, navigation and the like, and in order to restore the normal functions of river channels and promote the rapid and continuous development of economic society, river channel desilting and dredging engineering is carried out, so that the river channels are deepened and widened through treatment, river water is cleared, the production conditions and living environments of the masses are obviously improved, and the aims of 'clear water, smooth river, green bank and beautiful' are achieved. The water in the river channel needs to be pumped out firstly, then the silt in the river channel is dug out through the digging machine, and finally the water is put back into the river channel again, however, the operation of the dredging process is troublesome, and the dredging efficiency is low.

For example, chinese patent application No. or publication No. CN209703589U discloses a river regulation dredging device, which is basically described as follows: a river channel treatment dredging device comprises a barrel body and a slurry pump, wherein the lower end of the barrel body is funnel-shaped, the output end of the slurry pump is communicated with the barrel body through a sludge outlet pipe, the input end of the slurry pump is communicated with a sludge inlet pipe, a filter screen in the horizontal direction is arranged above the sludge outlet pipe in the barrel body, a groove body is arranged on the outer wall of the barrel body, a motor is arranged on the inner wall of the groove body, a through hole is arranged on the side wall of the barrel body in a penetrating mode, an output shaft of the motor is arranged in the horizontal direction and extends into the barrel body through the through hole, a plurality of blades are uniformly arranged on the output shaft of the motor at intervals along the circumferential direction, each blade is arranged below the filter screen, a sludge discharge pipe is arranged at the bottom end of the barrel body, a valve is arranged on the sludge discharge pipe, a water discharge pipe is arranged above the filter screen on the outer wall of the barrel body, and the river channel treatment dredging device crushes sludge through the blades to improve the working efficiency, the sludge contains a large amount of impurities which are difficult to crush, such as plastic bags and the like, and blocks the sludge discharge pipe, so that the sludge cleaning work is hindered, and the next treatment of the sludge is not facilitated.

Therefore, the inventor provides a dredging device for a river channel, which takes rich design development and actual manufacturing experience of the related industry for years, researches and improves the existing structure and deficiency.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a river channel dredging device, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for river course sediment removal device, includes into dirty pipe, it is provided with four first supporting legs of group to advance dirty pipe right side, first supporting leg top fixedly connected with water pump frame, fixed surface is connected with the soil pick-up pump on the water pump frame, soil pick-up pump input end and the dirty pipe right-hand member fixed connection of advancing, the soil pick-up pump top is provided with the blow off pipe, blow off pipe top and soil pick-up pump output end fixed connection, fixed surface is connected with four second supporting legs of group on the water pump frame, second supporting leg top fixedly connected with cleaning plate, blow off pipe right-hand member and the interior bottom wall fixed connection of cleaning plate, fixed surface is connected with four groups of backup pads on the cleaning plate, backup pad top fixedly connected with separator, cleaning plate right-hand member fixedly connected with storage box, the fixed surface is connected with four third supporting legs of group under the storage box.

The separating device comprises two separating supporting plates, a chain wheel driving shaft is inserted into the left side of the inner side face of each separating supporting plate in a splicing mode, two groups of driving chain wheels are sleeved on the outer surfaces of the chain wheel driving shafts, a limiting shaft is arranged on the right side of each chain wheel driving shaft, two groups of driven chain wheels are sleeved on the outer surfaces of the limiting shafts, the driving chain wheels are connected with the driven chain wheels in a chain transmission mode, a separating motor is fixedly connected to the front face of each separating supporting plate located on the front side, the output end of the separating motor is fixedly connected with the chain wheel driving shafts, a positioning frame is fixedly connected to the outer surfaces of the chains, a separating cylinder is fixedly connected to the inner side of the positioning frame, a plurality of groups of separating rods are fixedly connected to the outer surfaces of the separating cylinders, a separating support is arranged on the left side of each separating supporting plate, and a plurality of groups of separating rails are fixedly connected to the right side face of each separating support.

The storage box comprises a main box body, wherein two groups of filter plates are fixedly connected to the left side wall in the main box body, a crushing driving shaft is inserted into the left side of the front of the main box body, a crushing driven shaft is inserted into the right side of the front of the main box body, a driving belt wheel is fixedly connected to the front side of the outer surface of the crushing driving shaft, a driven belt wheel is fixedly connected to the front side of the outer surface of the crushing driven shaft, the driving belt wheel is in transmission connection with the driven belt wheel through a belt, a crushing barrel is sleeved on the outer surfaces of the crushing driving shaft and the crushing driven shaft, a plurality of groups of crushing cutters are fixedly connected to the outer surface of the crushing barrel, a motor frame is fixedly connected to the back of the main box body, a crushing motor is fixedly connected to the upper surface of the motor frame, the crushing motor is fixedly connected with the crushing driving shaft, a door leaf is arranged on the right side surface of the main box body, the door leaf is hinged with the main box body through a hinge, and a handle is fixedly connected to the right side surface of the door leaf, the handle below is provided with spacing bolt, main tank body right flank is pegged graft and is had two sets of drainage valve, the filter openly has seted up multiunit and has filtered the hole.

Preferably, the cleaning plate comprises a separating plate, a collecting plate and a discharging plate, two groups of limiting plates are fixedly connected to the upper surfaces of the separating plate, the collecting plate and the discharging plate, a drainage plate is arranged on the outer side of each limiting plate, the limiting plates are fixedly connected with the filter plate, the drainage plate is fixedly connected with the main box body, and multiple groups of separating holes are formed in the front surfaces of the limiting plates.

Preferably, the cleaning plate is matched with the separating rod, the separating cylinder is matched with the cleaning plate, and the separating rod is made of 40T carbon.

Preferably, the shape of the separation rail conforms to an Archimedes spiral line, the right end of the separation rail is positioned below the separation cylinder, and the separation rail is matched with the separation rod.

Preferably, the handle surface is provided with the skid resistant course, and the skid resistant course material is polyisoprene, and the skid resistant course surface is provided with anti-skidding line.

Preferably, the drainage valve is positioned outside the filter plate and is inserted in the bottom of the right side surface of the main box body.

(III) advantageous effects

Compared with the prior art, the utility model provides a river channel dredging device, which has the following beneficial effects:

1. this be used for river course dredging device, it rotates to drive the separator bar through the chain, impurity such as plastic bag removes along the clearance board in the separator bar drives the silt, come out the impurity separation in the silt, then separation rail and separator bar cooperation, peel off the impurity on the separator bar, fall into the clearance board left side, reduce difficult kibbling impurity such as plastic bag and handle the influence that produces to the silt, the overall efficiency of desilting work has been improved, separation rail is simultaneously to the peeling off of impurity, the effectual influence that reduces impurity to device stability, the stability of device desilting efficiency has been guaranteed, the effectual desilting efficiency that has improved.

2. This be used for river course dredging device, rotate in silt through smashing the sword, it smashes to smash the impurity of sword in to silt, the size of impurity in the silt has been reduced, be favorable to the subsequent processing of silt, the clearance board is cleared up and is filtered silt, reduce the moisture of silt, reduce the weight of silt, filter and the cooperation of main tank body carry out secondary filter to silt, reduce the moisture content in the silt, be convenient for the transportation and the processing of silt, then the door leaf keeps silt in the main tank body, the filter has been guaranteed to the filterable time of silt, the emission of the steerable sewage of drainage valve, play effectual protection to the surrounding environment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the separating apparatus of the present invention;

fig. 3 is a sectional schematic view of the structure of the storage box of the utility model.

In the figure: 1. a sewage inlet pipe; 2. a first support leg; 3. a water pump frame; 4. a sewage suction pump; 5. a blow-off pipe; 6. a second support leg; 7. cleaning the plate; 701. a separation plate; 702. a collection plate; 703. a discharge plate; 704. a limiting plate; 705. a drainage plate; 706. a separation well; 8. a support plate; 9. a separation device; 901. separating the support plate; 902. a sprocket drive shaft; 903. a drive sprocket; 904. a limiting shaft; 905. a driven sprocket; 906. a chain; 907. separating the motor; 908. a positioning frame; 909. a separation cylinder; 910. a separating lever; 911. separating the bracket; 912. separating the rail; 10. a storage box; 1001. a main box body; 1002. a filter plate; 1003. a pulverizing drive shaft; 1004. crushing the driven shaft; 1005. a driving pulley; 1006. a driven pulley; 1007. a belt; 1008. a milling drum; 1009. a crushing knife; 1010. a motor frame; 1011. a grinding motor; 1012. a door leaf; 1013. a hinge; 1014. a handle; 1015. a limiting bolt; 1016. a drain valve; 11. a third support leg; 1017. and (4) filtering holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a dredging device for river channels comprises a sewage inlet pipe 1, wherein four groups of first supporting legs 2 are arranged on the right side of the sewage inlet pipe 1, the top ends of the first supporting legs 2 are fixedly connected with a water pump frame 3, the upper surface of the water pump frame 3 is fixedly connected with a sewage suction pump 4, the input end of the sewage suction pump 4 is fixedly connected with the right end of the sewage inlet pipe 1, a sewage discharge pipe 5 is arranged above the sewage suction pump 4, the top end of the sewage discharge pipe 5 is fixedly connected with the output end of the sewage suction pump 4, the upper surface of the water pump frame 3 is fixedly connected with four groups of second supporting legs 6, the top end of the second supporting legs 6 is fixedly connected with a cleaning plate 7, the cleaning plate 7 cleans and filters sludge, moisture of the sludge is reduced, the weight of the sludge is reduced, the right end of the sewage discharge pipe 5 is fixedly connected with the inner bottom side wall of the cleaning plate 7, the upper surface of the cleaning plate 7 is fixedly connected with four groups of supporting plates 8, the top of the supporting plates 8 is fixedly connected with a separating device 9, the right end of the cleaning plate 7 is fixedly connected with a storage box 10, four sets of third support legs 11 are fixedly connected to the lower surface of the storage box 10.

The separating device 9 comprises two separating support plates 901, a sprocket drive shaft 902 is inserted into the left side of the inner side of the separating support plate 901, two groups of driving sprockets 903 are sleeved on the outer surface of the sprocket drive shaft 902, a limit shaft 904 is arranged on the right side of the sprocket drive shaft 902, two groups of driven sprockets 905 are sleeved on the outer surface of the limit shaft 904, the driving sprockets 903 are in transmission connection with the driven sprockets 905 through a chain 906, a separating motor 907 is fixedly connected to the front side of the separating support plate 901 positioned on the front side, the output end of the separating motor 907 is fixedly connected with the sprocket drive shaft 902, a positioning frame 908 is fixedly connected to the outer surface of the chain 906, a separating cylinder 909 is fixedly connected to the inner side of the positioning frame 908, a plurality of groups of separating rods 910 are fixedly connected to the outer surface of the separating cylinder 909, the chain 906 drives the separating rods 910 to rotate, the separating rods 910 drive impurities such as plastic bags in the sludge to move along the cleaning plate 7 to separate the impurities in the sludge, a separating support 911 is arranged on the left side of the separating support plate 901, separation support 911 right side fixedly connected with multicomponent leaves rail 912, separation rail 912 and separation rod 910 cooperation, peel off the impurity on the separation rod 910, fall into cleaning plate 7 left side, reduce difficult kibbling impurity such as plastic bag and handle the influence that produces to silt, improved the overall efficiency of desilting work, separation rail 912 peels off to impurity simultaneously, the effectual influence that reduces impurity to device stability has guaranteed the stability of device desilting efficiency, the effectual desilting efficiency that has improved.

The storage box 10 comprises a main box body 1001, two groups of filter plates 1002 are fixedly connected to the left side wall in the main box body 1001, the filter plates 1002 and the main box body 1001 are matched to carry out secondary filtration on sludge, the moisture content in the sludge is reduced, the sludge is convenient to transport and treat, a crushing driving shaft 1003 is inserted into the left side of the front of the main box body 1001, a crushing driven shaft 1004 is inserted into the right side of the front of the main box body 1001, a driving belt wheel 1005 is fixedly connected to the front of the outer surface of the crushing driving shaft 1003, a driven belt wheel 1006 is fixedly connected to the front of the outer surface of the crushing driven shaft 1004, the driving belt wheel 1005 is in transmission connection with the driven belt wheel 1006 through a belt 1007, crushing barrels 1008 are sleeved on the outer surfaces of the crushing driving shaft 1003 and the crushing driven shaft 1004, a plurality of crushing knives 1009 are fixedly connected to the outer surface of the crushing barrels 1008, the crushing knives 1009 rotate in the sludge, the crushing knives 1009 crush the impurities in the sludge, and the size of the impurities in the sludge is reduced, the back of the main box 1001 is fixedly connected with a motor frame 1010, the upper surface of the motor frame 1010 is fixedly connected with a crushing motor 1011, the crushing motor 1011 is fixedly connected with a crushing driving shaft 1003, the right side of the main box 1001 is provided with a door leaf 1012, the door leaf 1012 keeps the sludge in the main box 1001, the time of the filter plate 1002 for filtering the sludge is ensured, the door leaf 1012 is hinged to the main box 1001 through a hinge 1013, the right side of the door leaf 1012 is fixedly connected with a handle 1014, a limit bolt 1015 is arranged below the handle 1014, two sets of drainage valves 1016 are inserted in the right side of the main box 1001, the drainage valves 1016 can control the discharge of sewage, the effective protection is achieved for the surrounding environment, and the filter plate 1002 is provided with multiple sets of filter holes 1017.

In the utility model, in order to facilitate the cleaning of impurities, the cleaning plate 7 comprises a separating plate 701, a collecting plate 702 and a discharging plate 703, two groups of limiting plates 704 are fixedly connected to the upper surfaces of the separating plate 701, the collecting plate 702 and the discharging plate 703, a flow guide plate 705 is arranged on the outer side of each limiting plate 704, each limiting plate 704 is fixedly connected with a filter plate 1002, each flow guide plate 705 is fixedly connected with a main box 1001, a plurality of groups of separating holes 706 are formed in the front surface of each limiting plate 704, the separating plate 701, the collecting plate 702 and the discharging plate 703 guide the impurities, so that the impurities are conveniently separated, the limiting plates 704 reduce the moisture of sludge, and the impurities in the sludge are conveniently cleaned.

In the utility model, in order to improve the impurity cleaning effect, the cleaning plate 7 is matched with the separating rod 910, the separating cylinder 909 is matched with the cleaning plate 7, the separating rod 910 is made of 40T carbon, the separating rod 910 ensures the cleaning depth, the separating cylinder 909 ensures the cleaning width, and the separating rod 910 can clean the cleaning plate 7 more thoroughly, thereby improving the impurity cleaning effect.

In the utility model, in order to ensure the normal operation of the separation device 9, the shape of the separation rail 912 conforms to the archimedes spiral line, the right end of the separation rail 912 is positioned below the separation cylinder 909, the separation rail 912 is matched with the separation rod 910, the position of the right end of the separation rail 912 can ensure that most of impurities on the separation rod 910 are stripped, the matching of the separation rail 912 and the separation rod 910 reduces the omission of the impurities and ensures the stripping effect, the shape of the separation rail 912 can ensure the uniformity of the stripping speed of the impurities, the congestion of the impurities is avoided, the impurity stripping effect is ensured, the damage of the separation rod 910 is reduced, and the normal operation of the separation device 9 is ensured.

In the utility model, in order to improve the stability of the device, the outer surface of the handle 1014 is provided with an anti-slip layer made of polyisoprene, and the outer surface of the anti-slip layer is provided with anti-slip lines, so that the possibility of misoperation is reduced by the anti-slip lines, and the stability of the device is improved.

In the present invention, in order to ensure the drainage effect, the drainage valve 1016 is disposed outside the filter plate 1002, the drainage valve 1016 is inserted into the bottom of the right side of the main box 1001, and the drainage valve 1016 is disposed to drain the sewage more thoroughly.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the device is used, the sewage inlet pipe 1 is inserted into sludge, the sewage suction pump 4, the separation motor 907 and the crushing motor 1011 are started, the sludge enters the cleaning plate 7 under the action of the sewage suction pump 4, the sludge firstly passes through the separation plate 701, the limiting plate 704 filters the sludge to reduce water in the sludge, the separation motor 907 drives the sprocket drive shaft 902 to rotate, the sprocket drive shaft 902 drives the drive sprocket 903 to rotate, the drive sprocket 903 drives the chain 906 to rotate, the drive sprocket 903 and the driven sprocket 905 are matched to enable the chain 906 to rotate stably, the chain 906 drives the positioning frame 908 to move, the positioning frame 908 drives the separation cylinder 909 to move, the separation cylinder drives the separation rod 910 to move, the separation rod 910 moves upwards along the separation plate 701, the separation rod 910 drives impurities in the sludge to move upwards, the separation rails 912 are matched with the separation rod 910 to strip the impurities on the separation rod 910 to the upper surface of the collection plate 702, and the impurities move leftwards to pass through the discharge plate 703 and discharge device, the impurity can be collected and processed on the left side of the cleaning plate 7, the sludge enters the main box 1001 through the separating plate 701, the filter plate 1002 filters the sludge, the water is processed in a centralized way through the drainage device of the drainage valve 1016, the crushing motor 1011 drives the crushing driving shaft 1003 to rotate, through the matching of the driving belt wheel 1005 and the driven belt wheel 1006 with the belt 1007, the crushing driving shaft 1003 drives the crushing driven shaft 1004 to rotate, the crushing driving shaft 1003 and the crushing driven shaft 1004 respectively drive the crushing cylinder 1008 to rotate, the crushing cylinder 1008 drives the crushing knife 1009 to rotate, the crushing knife 1009 crushes the impurities in the sludge, when the sludge needs to be discharged, the sewage suction pump 4, the separating motor 907 and the crushing motor 1011 are closed, the container is placed on the right side of the main box 1001, the limit bolt 1015 is opened, the door leaf 1012 is pulled open, the sludge flows into the container, after the sludge flows out, the container is removed, the door leaf is closed, the limit bolt 1015 is closed, and finishing the primary dredging.

To sum up, this be used for river course dredging device, it rotates to drive separator bar 910 through chain 906, impurity such as plastic bag in the separator bar 910 drives silt moves along cleaning plate 7, isolate the impurity in the silt, then separation rail 912 and separator bar 910 cooperation, peel off impurity on the separator bar 910, fall into cleaning plate 7 left side, reduce the difficult kibbling impurity of plastic bag etc. and handle the influence that produces to silt, the whole efficiency of desilting work has been improved, separation rail 912 peels off to impurity simultaneously, the effectual influence that reduces impurity to device stability, the stability of device desilting efficiency has been guaranteed, the effectual desilting efficiency that has improved.

This a be used for river course dredging device, rotate in silt through smashing sword 1009, smash the impurity of sword 1009 in the silt and smash, the size of impurity in the silt has been reduced, be favorable to the subsequent processing of silt, clearance board 7 clears up and filters silt, reduce the moisture of silt, reduce the weight of silt, filter 1002 and the cooperation of main tank 1001 carry out the secondary filter to silt, reduce the moisture content in the silt, be convenient for the transportation and the processing of silt, then door leaf 1012 keeps silt in the main tank, filter 1001 has been guaranteed to the filterable time of silt, the emission of the steerable sewage of drainage valve 1016, play effectual protection to the surrounding environment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a be used for river course dredging device, includes into dirty pipe (1), its characterized in that: four groups of first supporting legs (2) are arranged on the right side of the sewage inlet pipe (1), a water pump frame (3) is fixedly connected to the top ends of the first supporting legs (2), a sewage suction pump (4) is fixedly connected to the upper surface of the water pump frame (3), the input end of the sewage suction pump (4) is fixedly connected with the right end of the sewage inlet pipe (1), a sewage discharge pipe (5) is arranged above the sewage suction pump (4), the top end of the sewage discharge pipe (5) is fixedly connected with the output end of the sewage suction pump (4), four groups of second supporting legs (6) are fixedly connected to the upper surface of the water pump frame (3), a cleaning plate (7) is fixedly connected to the top ends of the second supporting legs (6), the right end of the sewage discharge pipe (5) is fixedly connected with the inner bottom side wall of the cleaning plate (7), four groups of supporting plates (8) are fixedly connected to the upper surface of the cleaning plate (7), and a separating device (9) is fixedly connected to the tops of the supporting plates (8), a storage box (10) is fixedly connected to the right end of the cleaning plate (7), and four groups of third support legs (11) are fixedly connected to the lower surface of the storage box (10);

the separating device (9) comprises two separating support plates (901), a chain wheel driving shaft (902) is inserted into the left side of the inner side of each separating support plate (901), two groups of driving chain wheels (903) are sleeved on the outer surface of the chain wheel driving shaft (902), a limiting shaft (904) is arranged on the right side of the chain wheel driving shaft (902), two groups of driven chain wheels (905) are sleeved on the outer surface of the limiting shaft (904), the driving chain wheels (903) are in transmission connection with the driven chain wheels (905) through chains (906), a separating motor (907) is fixedly connected to the front side of the separating support plate (901) on the front side, the output end of the separating motor (907) is fixedly connected with the chain wheel driving shaft (902), a positioning frame (908) is fixedly connected to the outer surface of the chains (906), a separating cylinder (909) is fixedly connected to the inner side of the positioning frame (908), and a plurality of groups of separating rods (910) are fixedly connected to the outer surface of the separating cylinder (909), a separation bracket (911) is arranged on the left side of the separation supporting plate (901), and a multi-component off-rail (912) is fixedly connected to the right side surface of the separation bracket (911);

the storage box (10) comprises a main box body (1001), two groups of filter plates (1002) are fixedly connected to the inner left side wall of the main box body (1001), a crushing driving shaft (1003) is inserted into the front left side of the main box body (1001), a crushing driven shaft (1004) is inserted into the front right side of the main box body (1001), a driving belt wheel (1005) is fixedly connected to the front side of the outer surface of the crushing driving shaft (1003), a driven belt wheel (1006) is fixedly connected to the front side of the outer surface of the crushing driven shaft (1004), the driving belt wheel (1005) is in transmission connection with the driven belt wheel (1006) through a belt (1007), a crushing barrel (1008) is sleeved on the outer surfaces of the crushing driving shaft (1003) and the crushing driven shaft (1004), a plurality of crushing cutters (1009) are fixedly connected to the outer surface of the crushing barrel (1008), a motor frame (1010) is fixedly connected to the back side of the main box body (1001), and a crushing motor (1011) is fixedly connected to the upper surface of the motor frame (1010), the grinding motor (1011) is fixedly connected with the grinding driving shaft (1003), the door leaf (1012) is arranged on the right side face of the main box body (1001), the door leaf (1012) is hinged to the main box body (1001) through a hinge (1013), the handle (1014) is fixedly connected to the right side face of the door leaf (1012), a limiting bolt (1015) is arranged below the handle (1014), two groups of drainage valves (1016) are inserted into the right side face of the main box body (1001), and a plurality of groups of filter holes (1017) are formed in the front face of the filter plate (1002).

2. A device for dredging river channels according to claim 1, wherein: the cleaning plate (7) comprises a separating plate (701), a collecting plate (702) and a discharging plate (703), wherein two groups of limiting plates (704) are fixedly connected to the upper surfaces of the separating plate (701), the collecting plate (702) and the discharging plate (703), a drainage plate (705) is arranged on the outer side of each limiting plate (704), the limiting plates (704) are fixedly connected with a filter plate (1002), the drainage plate (705) is fixedly connected with a main box body (1001), and multiple groups of separating holes (706) are formed in the front of each limiting plate (704).

3. A device for dredging river channels according to claim 1, wherein: the cleaning plate (7) is matched with the separating rod (910), the separating cylinder (909) is matched with the cleaning plate (7), and the separating rod (910) is made of 40T carbon.

4. A device for dredging river channels according to claim 1, wherein: the shape of the separation rail (912) conforms to an Archimedes spiral line, the right end of the separation rail (912) is positioned below the separation cylinder (909), and the separation rail (912) is matched with the separation rod (910).

5. A device for dredging river channels according to claim 1, wherein: the outer surface of the handle (1014) is provided with an anti-slip layer made of polyisoprene, and anti-slip lines are arranged on the outer surface of the anti-slip layer.

6. A device for dredging river channels according to claim 1, wherein: the drain valve (1016) is positioned on the outer side of the filter plate (1002), and the drain valve (1016) is inserted into the bottom of the right side face of the main box body (1001).

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