CN112813903A

CN112813903A - Dredging device

Info

Publication number: CN112813903A
Application number: CN202110238467.XA
Authority: CN
Inventors: 朱江; 李骏; 刘永刚; 夏胜涛; 吴陈亮; 池顺富
Original assignee: Xi'an Construction Co Ltd Of China Railway 11th Bureau Group; China Railway 11th Bureau Group Co Ltd
Current assignee: Xi'an Construction Co Ltd Of China Railway 11th Bureau Group; China Railway 11th Bureau Group Co Ltd
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-05-18

Abstract

A dredging device relates to the technical field of municipal road maintenance tools. This desilting device includes automobile body, collecting box, transport mechanism and shovel silt mechanism, and the collecting box is connected on the automobile body, and transport mechanism's one end is connected with the collecting box, the other end and shovel silt mechanism are connected, and shovel silt mechanism keeps away from transport mechanism's one end and is used for laminating with ground, and shovel silt mechanism is used for shoveling and gets subaerial silt. This desilting device can improve desilting efficiency.

Description

Dredging device

Technical Field

The invention relates to the technical field of municipal road maintenance tools, in particular to a dredging device.

Background

The natural structure change of the silt is very sensitive, the structure and the intensity thereof can automatically recover after being stressed and damaged, because the silt can generate uneven settlement, the building can generate cracks and incline, and the normal use is influenced, which is the main reason that the thixotropic silt is not suitable for being used as a natural foundation. When building on the sludge, manual reinforcement measures such as compaction and tamping must be taken, a vertical sand well is used for draining water to accelerate the solidification of the sludge, and once the sludge flows to a road, the vehicle slips and cannot move forward, so that the road traffic is influenced.

Municipal works car makes the pedestrian slided by silt easily at the silt that the road in-process produced on the road surface of going, influences daily trip, and can seriously pollute the air around the road, causes the influence to human health. At present, for cleaing away the silt on the road, some desilting devices have also appeared, however, present desilting device adopts the suction pump to clear up silt more, though also can play clean effect to a certain extent, but this kind of desilting device very easily causes the adsorption tube to block up at the desilting in-process, and the desilting effect is not good enough, and has reduced desilting efficiency.

Disclosure of Invention

The invention aims to provide a dredging device which can improve dredging efficiency.

The embodiment of the invention is realized by the following steps:

the invention provides a dredging device which comprises a vehicle body, a collecting box, a conveying mechanism and a dredging mechanism, wherein the collecting box is connected to the vehicle body, one end of the conveying mechanism is connected with the collecting box, the other end of the conveying mechanism is connected with the dredging mechanism, one end of the dredging mechanism, which is far away from the conveying mechanism, is used for being attached to the ground, and the dredging mechanism is used for shoveling and taking sludge on the ground. This desilting device can improve desilting efficiency.

Optionally, the two opposite sides of the collecting box are respectively connected with a first supporting rod and a second supporting rod, a first gear shaft is rotatably connected between the first supporting rod and the second supporting rod, the dredging device further comprises a third supporting rod and a fourth supporting rod which are arranged at one end, far away from the collecting box, of the conveying mechanism, a second gear shaft is rotatably connected between the third supporting rod and the fourth supporting rod, and the conveying mechanism is sleeved on the first gear shaft and the second gear shaft and is in transmission connection with the first gear shaft and the second gear shaft respectively.

Optionally, the ends of the third support rod and the fourth support rod, which are far away from the conveying mechanism, are respectively connected with a roller.

Optionally, one end of the third support rod close to the conveying mechanism and one end of the fourth support rod close to the conveying mechanism are respectively connected with a first baffle, and the two first baffles are respectively located at two opposite sides of the conveying mechanism and used for preventing sludge from falling from two sides of the conveying mechanism.

Optionally, one end of the first baffle connected to the third support rod, which is close to the collection box, is connected to the first support rod, and one end of the first baffle connected to the fourth support rod, which is close to the collection box, is connected to the second support rod.

Optionally, one end of the first baffle connected to the third support rod, which is close to the collection box, is connected to the first support rod through a first fixing rod, and one end of the first baffle connected to the fourth support rod, which is close to the collection box, is connected to the second support rod through a second fixing rod.

Optionally, a placing plate is further connected between the third support rod and the fourth support rod, the dredging device further comprises a water tank, a water spraying pipe communicated with the water tank, and a plurality of spray heads respectively communicated with the water spraying pipe, the water tank is arranged on the placing plate, the water spraying pipe is connected with the placing plate and is located on one side of the placing plate far away from the water tank, the plurality of spray heads are respectively connected to the water spraying pipe, and the spraying direction of the spray heads faces the ground.

Optionally, the silt shoveling mechanism is hinged with one end of the conveying mechanism far away from the collecting box.

Optionally, the placing plate is further connected with an air cylinder, and an output end of the air cylinder is connected with one end, far away from the conveying mechanism, of the silt shoveling mechanism.

Optionally, one side of the placing plate far away from the water tank is connected with a telescopic rod, and one end of the telescopic rod far away from the placing plate is connected with a cleaning brush.

Optionally, the conveying mechanism includes a conveying belt and a gear belt, the gear belt is sleeved on the first gear shaft and the second gear shaft and is in transmission connection with the first gear shaft and the second gear shaft respectively, and the conveying belt is fixedly connected to a surface of the gear belt far away from the first gear shaft.

Optionally, the conveyer belt is provided with a plurality of silt push plates along its direction of conveyance, and the silt push plates and the conveyer belt are arranged at an included angle for blocking silt from moving in a direction opposite to the direction of conveyance of the conveyer belt.

Optionally, the two sides of the silt shoveling mechanism are respectively connected with a second baffle plate, and the second baffle plates are used for preventing silt from falling from the two sides of the silt shoveling mechanism.

The beneficial effects of the invention include:

this embodiment provides a sediment removal device, this sediment removal device include automobile body, collecting box, transport mechanism and shovel silt mechanism, and the collecting box is connected on the automobile body, and transport mechanism's one end is connected with the collecting box, the other end is connected with shovel silt mechanism, and shovel silt mechanism keeps away from transport mechanism's one end and is used for laminating with ground, and shovel silt mechanism is used for shoveling and gets subaerial silt. Like this, in the use, can shoveling subaerial silt through shovel silt mechanism, then transport the silt of shoveling to the collecting box in through transport mechanism. Because the desilting device of this application is the clearance of the subaerial silt that realizes through the cooperation of shovel silt mechanism, transport mechanism and collecting box, consequently, can effectively avoid the problem that the desilting device among the prior art caused the jam easily, and can improve desilting efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of a dredging device provided in an embodiment of the present invention;

FIG. 2 is a second schematic structural view of a dredging apparatus provided in the embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

icon: 10-a vehicle body; 20-a collection box; 21-a first support bar; 22-a second support bar; 23-a first gear shaft; 24-a motor; 30-a transport mechanism; 31-a third support bar; 32-a fourth support bar; 33-a second gear shaft; 34-a first baffle; 35-a first fixing bar; 36-a second fixation bar; 37-a conveyor belt; 371-sludge push plate; 38-a gear belt; 40-a silt shoveling mechanism; 41-inclined plate; 42-a shovel plate; 43-a second baffle; 50-a roller; 60-placing a plate; 61-a water tank; 62-a connector; 63-a water spray pipe; 64-a spray head; 65-a cylinder; 66-a telescopic rod; 67-cleaning brush; 68-support leg.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present embodiment provides a dredging apparatus, which includes a vehicle body 10, a collecting box 20, a conveying mechanism 30 and a dredging mechanism 40, wherein the collecting box 20 is connected to the vehicle body 10, one end of the conveying mechanism 30 is connected to the collecting box 20, the other end is connected to the dredging mechanism 40, one end of the dredging mechanism 40 far away from the conveying mechanism 30 is used for adhering to the ground, and the dredging mechanism 40 is used for shoveling the silt on the ground.

Wherein the collection container 20 is attached to the vehicle body 10 so that the vehicle body 10 can be moved with the collection container 20, thereby transporting the sludge collected in the collection container 20 to a specific location. And the collection tank 20 is connected with the transfer mechanism 30 so as to transfer the sludge scooped by the sludge scooping mechanism 40 into the collection tank 20 by the transfer mechanism 30.

The collecting box 20 may be fixedly connected to the vehicle body 10, or may be detachably connected to the vehicle body 10 (for example, may be placed on the vehicle body of the vehicle body 10).

Further, the above-mentioned transport mechanism 30 is used for feeding the sludge scooped by the sludge scooping mechanism 40 into the collection tank 20. In this embodiment, one end of the conveying mechanism 30 close to the collecting box 20 may be connected to the collecting box 20 in a bridging manner, or may be fixedly connected to the collecting box 20, and the application does not limit the connection form between the conveying mechanism 30 and the collecting box 20, as long as the silt scooped by the silt scooping mechanism 40 is conveyed into the collecting box 20 through the conveying mechanism 30.

The shoveling mechanism 40 is used for shoveling the silt on the ground, so that the end of the shoveling mechanism 40 far from the conveying mechanism 30 is attached to the ground. Illustratively, the dredging mechanism 40 may include an inclined plate 41 and a shovel plate 42 connected to each other, wherein the inclined plate 41 is connected between the conveyor mechanism 30 and the shovel plate 42.

In order to facilitate the transportation of the sludge from the sludge shoveling mechanism 40 to the collecting box 20 through the conveying mechanism 30, in the embodiment, the conveying mechanism 30 is obliquely arranged between the opening of the collecting box 20 and the sludge shoveling mechanism 40, and as shown in fig. 1, the height from one end of the conveying mechanism 30 close to the collecting box 20 to the ground is greater than the height from one end of the conveying mechanism 30 close to the sludge shoveling mechanism 40 to the ground.

In order to increase the shoveling speed of the shoveling mechanism 40, in the present embodiment, the port of the shoveling plate 42 of the shoveling mechanism 40 far from the inclined plate 41 is flush with the ground surface, as shown in fig. 1.

In conclusion, the embodiment provides a dredging device, and this dredging device includes automobile body 10, collecting box 20, transport mechanism 30 and shovel silt mechanism 40, and collecting box 20 is connected on automobile body 10, and transport mechanism 30's one end is connected with collecting box 20, the other end and shovel silt mechanism 40 are connected, and shovel silt mechanism 40 keeps away from transport mechanism 30's one end and is used for laminating with ground, and shovel silt mechanism 40 is used for shoveling and gets subaerial silt. Thus, during use, the silt on the ground can be scooped up by the scooping mechanism 40, and then the scooped silt is carried into the collection tank 20 by the transfer mechanism 30. Because the clearance of the subaerial silt that the desilting device of this application realized through the cooperation of shovel silt mechanism 40, transport mechanism 30 and collecting box 20, consequently, can effectively avoid the easy problem that causes the jam of the desilting device among the prior art, and can improve desilting efficiency.

Referring to fig. 4, optionally, the collecting box 20 is connected to a first supporting rod 21 and a second supporting rod 22 at opposite sides thereof, a first gear shaft 23 is rotatably connected between the first supporting rod 21 and the second supporting rod 22, the dredging apparatus further includes a third supporting rod 31 and a fourth supporting rod 32 disposed at an end of the conveying mechanism 30 away from the collecting box 20, a second gear shaft 33 is rotatably connected between the third supporting rod 31 and the fourth supporting rod 32, and the conveying mechanism 30 is sleeved on the first gear shaft 23 and the second gear shaft 33 and is respectively in transmission connection with the first gear shaft 23 and the second gear shaft 33.

In the embodiment, the first support bar 21 and the second support bar 22 are respectively connected to two opposite sidewalls of the collecting box 20, and a connection line between the first support bar 21 and the second support bar 22 is perpendicular to the moving direction of the vehicle body 10. Thus, the conveying direction of the conveying mechanism 30 is made to be the same as the moving direction of the vehicle body 10, so that the whole width of the dredging device can be reduced conveniently, and the whole movement of the dredging device can be facilitated. Of course, in other embodiments, the conveying direction of the conveying mechanism 30 may be set to be perpendicular to the moving direction of the vehicle body 10, if necessary.

In order that the arrangement of the transfer mechanism 30 does not affect the collection of the sludge in the collection container 20, in the present embodiment, the first support bar 21 and the second support bar 22 are provided on the side of the collection container 20 close to the sludge shoveling mechanism 40. In this way, when the transfer mechanism 30 transfers the sludge into the collection tank 20, a large collection space can be provided for the sludge to fall into the collection tank 20, and therefore the sludge can be prevented from falling out of the collection tank 20 to some extent, thereby keeping the collection tank 20 clean.

In the embodiment, the first gear shaft 23 is rotatably connected between the first support rod 21 and the second support rod 22, the second gear shaft 33 is rotatably connected between the third support rod 31 and the fourth support rod 32, and the transmission mechanism 30 is sleeved on the first gear shaft 23 and the second gear shaft 33, so that the transmission mechanism 30 can be operated by rotating the first gear shaft 23 and the second gear shaft 33, thereby driving the sludge to be transmitted into the collection box 20 from the sludge shoveling mechanism 40 through the transmission mechanism 30.

In this embodiment, referring to fig. 1 and 4, optionally, the transmission mechanism 30 includes a transmission belt 37 and a gear belt 38, the gear belt 38 is sleeved on the first gear shaft 23 and the second gear shaft 33 and is in transmission connection with the first gear shaft 23 and the second gear shaft 33, respectively, and the transmission belt 37 is fixedly connected to a surface of the gear belt 38 away from the first gear shaft 23. Of course, in other embodiments, the conveying mechanism 30 may comprise only one conveying belt, and the side of the conveying belt near the first gear shaft 23 is provided with engaging teeth capable of engaging with the first gear shaft 23 and the second gear shaft 33. It should be understood that the first gear shaft 23, the second gear shaft 33 and the gear belt 38 are only examples of the transmission mechanism 30 adopting gear transmission in the present embodiment, and in other embodiments, a person skilled in the art can also adopt chain transmission instead of gear transmission.

Wherein, the first gear shaft 23 can be driven by the motor 24 to rotate, thereby realizing the movement of the transmission mechanism 30; the second gear shaft 33 can also be driven to rotate by the motor 24, so as to realize the movement of the transmission mechanism 30.

In order to make the whole structure of the dredging device more compact, in this embodiment, the motor 24 is connected to the side of the first supporting rod 21 close to the second supporting rod 22, and the output end of the motor 24 is connected to one end of the first gear shaft 23 close to the first supporting rod 21. Of course, the motor 24 may be connected to a side of the second support bar 22 adjacent to the first support bar 21. Similarly, the motor 24 may be mounted on a side of the third support bar 31 close to the fourth support bar 32 or a side of the fourth support bar 32 close to the third support bar 31.

Alternatively, in the present embodiment, the rollers 50 are respectively connected to the ends of the third support bar 31 and the fourth support bar 32 away from the conveying mechanism 30. In this way, the third support bar 31 and the fourth support bar 32 can also move, thereby moving the conveying mechanism 30.

In this embodiment, the end of the third support bar 31 close to the conveying mechanism 30 and the end of the fourth support bar 32 close to the conveying mechanism 30 are respectively connected with a first baffle 34, and the two first baffles 34 are respectively located at two opposite sides of the conveying mechanism 30 and used for preventing sludge from falling from two sides of the conveying mechanism 30.

The two first baffles 34 may be respectively provided with a gap with respect to the conveying mechanism 30, so as to prevent the first baffles 34 from directly abutting against two sides of the conveying mechanism 30 to interfere with the normal operation of the conveying mechanism 30.

In order to make the connection stability of the two first baffles 34 better, in the present embodiment, one end of the first baffle 34 connected to the third support bar 31 near the collecting box 20 is connected to the first support bar 21, and one end of the first baffle 34 connected to the fourth support bar 32 near the collecting box 20 is connected to the second support bar 22.

Illustratively, one end of the first baffle 34 connected to the third support bar 31 near the collecting box 20 is connected to the first support bar 21 through a first fixing bar 35, and one end of the first baffle 34 connected to the fourth support bar 32 near the collecting box 20 is connected to the second support bar 22 through a second fixing bar 36. Of course, in other embodiments, other connecting means may be adopted to support the end of the two first baffles 34 far away from the dredging mechanism 40, so as to improve the reliability of the two first baffles 34. For example, the ends of the two first baffles 34 far from the dredging mechanism 40 are respectively connected to the collecting box 20 or the vehicle body 10.

Referring to fig. 3, optionally, a placing plate 60 is further connected between the third support rod 31 and the fourth support rod 32, the dredging apparatus further includes a water tank 61, a water spraying pipe 63 communicated with the water tank 61, and a plurality of nozzles 64 respectively communicated with the water spraying pipe 63, the water tank 61 is placed on the placing plate 60, the water spraying pipe 63 is connected with the placing plate 60 and is located on a side of the placing plate 60 away from the water tank 61, the plurality of nozzles 64 are respectively connected to the water spraying pipe 63, and a spraying direction of the nozzles 64 faces the ground.

It should be noted that the water tank 61 is communicated with the water spraying pipe 63, and the water spraying pipe 63 is communicated with the plurality of nozzles 64, so that the water in the water tank 61 can be delivered to the plurality of nozzles 64 through the water spraying pipe 63, the ground is washed through the nozzles 64, and the ground cleaned through the silt shoveling mechanism 40 is further cleaned, so that the ground cleaning effect can be further improved.

In addition, in the present embodiment, the water tank 61 is located on the side of the placing plate 60 away from the ground, and the water spray pipe 63 and the spray head 64 are located on the side of the placing plate 60 close to the ground, so that two connectors 62 can be connected to the side of the placing plate 60 close to the ground, and the water spray pipe 63 can be connected between the two connectors 62, as shown in fig. 3.

Also, in the present embodiment, a support leg 68 for supporting the placing plate 60 may be connected to an end of the placing plate 60 distant from the third support bar 31, and a bottom of the support leg 68 may be provided with a universal wheel for easy movement.

In order to further enhance the cleaning effect of the spray head 64 on the ground, in the present embodiment, the spray direction of the spray head 64 is arranged at an angle with respect to the ground.

In this embodiment, the dredging mechanism 40 is hinged to an end of the conveying mechanism 30 remote from the collecting box 20. In this way, the shoveling mechanism 40 can rotate relative to the conveying mechanism 30, so that after the shoveling mechanism 40 shovels the silt on the ground, the shoveling mechanism 40 can be integrally rotated relative to the conveying mechanism 30, so that the silt is poured onto the conveying mechanism 30, and the silt can be quickly removed.

In order to facilitate the rotation of the silt shoveling mechanism 40 relative to the conveying mechanism 30, in this embodiment, an air cylinder 65 is optionally further connected to the placing plate 60, and an output end of the air cylinder 65 is connected to an end of the silt shoveling mechanism 40 away from the conveying mechanism 30. Thus, the shovel mechanism 40 can be driven to rotate relative to the conveying mechanism 30 through the telescopic motion of the air cylinder 65. It should be understood, however, that the cylinder 65 is exemplary only, and in other embodiments, the cylinder 65 may be replaced with any component that facilitates rotation of the mechanism 40 relative to the conveyor mechanism 30, such as a telescoping arm, a linear motor 24, etc.

Optionally, a telescopic rod 66 is connected to a side of the placing plate 60 away from the water tank 61, and a cleaning brush 67 is connected to one end of the telescopic rod 66 away from the placing plate 60. Thus, three cleaning processes can be performed on the ground by the dredging device, namely, sludge is removed for the first time through the dredging mechanism 40, the second sludge is removed through the spray head 64, and the third sludge is removed through the cleaning brush 67. Of course, the three cleaning processes are not limited to the removal of sludge, but can also be used for removing dust or other pollutants on the ground.

In order to improve the conveying efficiency of the conveyor belt 37 for the sludge, optionally, the conveyor belt 37 is provided with a plurality of sludge pushing plates 371 along the conveying direction, and the sludge pushing plates 371 and the conveyor belt 37 are arranged at an included angle for blocking the sludge from moving along the direction opposite to the conveying direction of the conveyor belt 37.

The sludge pushing plate 371 and the conveyor belt 37 are arranged at an angle, so that the sludge can be further prevented from backing on the conveyor belt 37 (i.e. backing towards the sludge shoveling mechanism 40). The angle between the sludge pushing plate 371 and the conveyor belt 37 is between 0 ° and 90 °, for example, 30 °, 60 °, 75 °, etc., which are not listed here.

Optionally, two sides of the sludge shoveling mechanism 40 are respectively connected with a second baffle 43, and the second baffles 43 are used for preventing sludge from falling from two sides of the sludge shoveling mechanism 40, as shown in fig. 1. In this way, when the sludge moves toward the transfer mechanism 30, the sludge can be prevented from falling out of the dredging apparatus from both sides of the shoveling mechanism 40.

The above description is only an alternative embodiment of the present invention and is not intended to limit the present invention, and various modifications and variations of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.

Claims

1. The utility model provides a dredging device, its characterized in that, includes automobile body, collecting box, transport mechanism and shovel silt mechanism, the collecting box connect in on the automobile body, transport mechanism's one end with the collecting box is connected, the other end with shovel silt mechanism connects, shovel silt mechanism keeps away from transport mechanism's one end is used for laminating with ground, shovel silt mechanism is used for shoveling and gets subaerial silt.

2. The dredging device of claim 1, wherein a first supporting rod and a second supporting rod are respectively connected to two opposite sides of the collecting box, a first gear shaft is rotatably connected between the first supporting rod and the second supporting rod, the dredging device further comprises a third supporting rod and a fourth supporting rod which are arranged at one end of the conveying mechanism far away from the collecting box, a second gear shaft is rotatably connected between the third supporting rod and the fourth supporting rod, and the conveying mechanism is sleeved on the first gear shaft and the second gear shaft and is respectively in transmission connection with the first gear shaft and the second gear shaft.

3. The dredging device of claim 2, wherein the ends of the third support bar and the fourth support bar far away from the conveying mechanism are respectively connected with a roller.

4. The dredging device as claimed in claim 2 or 3, wherein the end of the third supporting rod close to the conveying mechanism and the end of the fourth supporting rod close to the conveying mechanism are respectively connected with a first baffle, and the two first baffles are respectively arranged at two opposite sides of the conveying mechanism and used for preventing the sludge from falling from two sides of the conveying mechanism.

5. The dredging device as claimed in claim 4, wherein the first baffle connected to the third supporting rod is connected to the first supporting rod at an end adjacent to the collecting tank, and the first baffle connected to the fourth supporting rod is connected to the second supporting rod at an end adjacent to the collecting tank.

6. The dredging device according to claim 2, wherein a placing plate is further connected between the third support bar and the fourth support bar, the dredging device further comprises a water tank, a spray pipe communicated with the water tank, and a plurality of spray heads respectively communicated with the spray pipe, the water tank is placed on the placing plate, the spray pipe is connected with the placing plate and is positioned on one side of the placing plate far away from the water tank, the plurality of spray heads are respectively connected to the spray pipe, and the spraying direction of the spray heads faces the ground.

7. The dredging device of claim 6, wherein the dredging mechanism is hinged with one end of the conveying mechanism far away from the collecting box.

8. The dredging device of claim 7, wherein the placing plate is further connected with an air cylinder, and the output end of the air cylinder is connected with one end of the dredging mechanism, which is far away from the conveying mechanism.

9. The dredging device of claim 6, wherein a telescopic rod is connected to one side of the placing plate far away from the water tank, and a cleaning brush is connected to one end of the telescopic rod far away from the placing plate.

10. The dredging device of claim 2, wherein the conveying mechanism comprises a conveying belt and a gear belt, the gear belt is sleeved on the first gear shaft and the second gear shaft and is in transmission connection with the first gear shaft and the second gear shaft respectively, and the conveying belt is fixedly connected to one surface of the gear belt far away from the first gear shaft.