CN219011349U

CN219011349U - Dredging equipment for water conservancy construction

Info

Publication number: CN219011349U
Application number: CN202320183662.1U
Authority: CN
Inventors: 李洁
Original assignee: Individual
Current assignee: Sichuan Shuoyi Construction Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-05-12
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to dredging equipment for water conservancy construction, which comprises a box body, a mud inlet pipe and a water outlet pipe, wherein a mounting frame is arranged in the middle part in the box body along a direction which forms a certain inclination angle with the horizontal direction, a plurality of groups of fixed plates are fixed on the mounting frame at equal intervals, a moving plate is connected between the plurality of groups of fixed plates in a sliding way, one end of the plurality of groups of fixed plates is fixedly provided with a driving assembly, the mounting frame, the fixed plates and the moving plate divide the box body into an upper filter cavity and a lower water purifying cavity, a plurality of groups of mud filtering mechanisms are arranged in the upper filter cavity at equal intervals, a drain pipe and a mud discharging port are arranged at the bottom of the front end of the box body, an input pipe is arranged at the upper end face of the box body, a plurality of branch pipes are arranged at the output end of the input pipe, and the branch pipes are communicated with the input end of the mud filtering mechanism; the driving assembly is used for driving the movable plate to slide back and forth relative to the fixed plate, so that the upward and downward flowing speed of water from the fixed plate is increased, and the filtering speed is improved; the mud-water forced separation and filtration is carried out by utilizing the mud-filtering mechanism, the mud-water separation and filtration process can continuously work, and the mud-water filtration and separation efficiency can be improved.

Description

Dredging equipment for water conservancy construction

Technical Field

The utility model relates to the technical field of dredging equipment, in particular to dredging equipment for water conservancy construction.

Background

The hydraulic engineering construction is one of engineering construction, and river dredging belongs to an important construction mode in the hydraulic engineering construction, and river dredging is also called river treatment, and generally, the silt deposited on the river bottom is blown and stirred into a turbid water shape through mechanical equipment and flows away along with river water, so that the dredging effect is achieved.

Wherein, a dredger is generally adopted to be matched with filtering equipment for cleaning sludge on a river channel and a river bed for a large river channel; for ditches in some cities and towns, water containing a large amount of sludge in the ditches is excavated out through an excavator in a dead water period, the water is sent into filtering equipment for sludge-water separation, water with extremely low sludge content is sent back into the ditches, and the sludge is transported to a designated area for centralized treatment by transportation equipment after being dehydrated; therefore, the filter equipment plays an extremely important role in dredging the river channel construction process, water resources can be greatly saved, pollution of water containing mud to the downstream of the river channel is avoided, and mud-water separation is accelerated.

Chinese patent application No.: 202221095049.6 dredging device for hydraulic construction, including box, mud filter frame and traction assembly, be provided with the transfer line in the box, spout and dovetail have been seted up to the box inboard, T type groove has been seted up to the box outside, the mud filter frame passes through traction assembly and is connected with the transfer line, traction assembly includes the mount, the mud filter frame is installed on the mount, mount one side is equipped with the forked tail piece, mount one end is provided with T type piece, mount one end articulated rocker and crank are articulated, the crank is fixed with the transfer line, transfer line one end is equipped with first gear, the motor is installed to one side in the box, the motor output axle head is equipped with the second gear. When dredging the river channel, the sludge is pumped into the box body through the collecting component, and then the sludge is separated from the impurities and the sludge through the sludge filtering frame and the traction component, and the impurities with larger volume are separated before the sludge is cleaned, so that the cleaning frequency of a filter screen by a worker is reduced, and the working efficiency of dredging operation is improved;

in the actual operation process, when sludge is accumulated on the filter screen in the technical scheme, the mud-water separation effect is increased, but the filtering efficiency is influenced due to the accumulation of the sludge, and in order to ensure good filtering efficiency, the sludge on the filter screen is required to be cleaned by stopping the machine, so that the filtering efficiency is influenced.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide dredging equipment for water conservancy construction, so as to solve the technical problems in the background art.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a dredging equipment for water conservancy construction, includes the box, advances mud pipe and outlet pipe, advance the output of mud pipe with communicate in the box, the input of outlet pipe communicates in with the box, the middle part is provided with the mounting bracket along the direction that is certain inclination with the horizontal direction in the box, equidistant multiunit stator is fixed with on the mounting bracket, multiunit sliding connection has the moving plate between the stator, multiunit the one end of moving plate is fixed with drive assembly, and drive assembly's power part installs on the outer wall of box, and mounting bracket, stator, moving plate divide into filter chamber and lower water purifying chamber in with the box, go up the equidistant multiunit mud filtering mechanism that is provided with in the filter chamber, and the power part of mud filtering mechanism is installed on the outer wall of box, and the front end bottom of box is provided with drain pipe and mud mouth, and the up end of box is provided with the input pipe, and the output of input pipe is provided with many branch pipes, branch pipe and mud filtering mechanism's input intercommunication.

Preferably, the mud filtering mechanism comprises a mud filtering pipe, a driving shaft, helical blades, a speed reducer and a driving motor, wherein two ends of the mud filtering pipe are connected into the upper filtering cavity through flange bolts, the driving shaft is rotationally connected into the mud filtering pipe through a bearing seat, the helical blades are fixed on the driving shaft, the distance between the helical blades is reduced in a gradient manner, the outer sides of the helical blades are attached to the inner wall of the mud filtering pipe, one end of the driving shaft penetrates through a box body and is in transmission connection with the driving motor through the speed reducer, an input port is formed in the top of the mud filtering pipe, the bottom output end of the branch pipe is communicated with the input port, a mud outlet is formed in one end of the mud filtering pipe, and the mud outlet is communicated with a mud discharge port.

Further, the filter mud pipe is fixed with annular reinforcing ribs at equal intervals along the length direction, mounting through holes are formed in the filter mud pipe among the annular reinforcing ribs at equal angles, the filter plates are connected to the mounting through holes through bolts, and a plurality of water permeable holes are formed in the filter plates.

Preferably, the driving assembly comprises a sliding block, a swinging rod, a driving rod, a limiting block, a driving disc and a servo motor, wherein the sliding block is slidably connected with the lower end face of the stator, the bottom of the rotor is connected to the sliding block through a bolt, one end of the swinging rod is fixed to the sliding block, the limiting block is embedded and installed on the box body, one end of the swinging rod penetrates through the limiting block and is slidably connected with the limiting block, one end of the driving rod is rotatably connected to the swinging rod, the other end of the driving rod is rotatably connected to the driving disc, the driving disc is axially fixed to the output end of the servo motor, and the servo motor is installed on the outer wall of the box body.

Further, a protective cover is arranged on the outer side of the servo motor, and the protective cover is connected to the outer wall of the box body through bolts.

Preferably, the side wall of the box body is provided with a temporary storage box corresponding to the position of the upper filter cavity, the temporary storage box is communicated with the bottom of the upper filter cavity, a mud discharging bucket is arranged at the bottom of the temporary storage box, a mud discharging valve is arranged on the mud discharging bucket, the top of the temporary storage box is provided with a water outlet, a sealing cover is arranged on the water outlet upper cover, a mud scraping plate is connected onto the mounting frame in a sliding manner, a door-shaped frame is fixed onto the mud scraping plate, the door-shaped frame is connected into the box body in a sliding manner, and a hydraulic arm is arranged at the top of the door-shaped frame.

Preferably, the upper end face of the box body is provided with an access hole, the access hole is connected with an access cover through an embedded bolt, and a handle is embedded in the access cover.

Compared with the prior art, the utility model has the advantages that:

1. the driving assembly is utilized to drive the moving plate to slide reciprocally relative to the fixed plate, water in the muddy water flows into the lower part of the mounting frame through a gap between the moving plate and the fixed plate, soil and other impurities in the muddy water remain above the fixed plate and the moving plate, the relative sliding of the moving plate and the fixed plate can accelerate the water to flow downwards from the upper part of the fixed plate, and the filtering speed is improved;

2. the mud-water separation and filtration device is used for carrying out forced separation and filtration on mud-water, the part with high mud content is forced to be sent to the mud discharge port, the compressed mud is extruded into mud cake shape and is discharged from the mud discharge port, the mud is difficult to block a filtration channel, the mud separation and filtration process can continuously work, the downtime is less, and the mud filtration and separation efficiency can be greatly improved.

Drawings

FIG. 1 is a schematic diagram of the whole structure of dredging equipment for water conservancy construction;

FIG. 2 is an enlarged view of a portion of the area A of FIG. 1;

fig. 3 is a schematic top view of the case.

The reference numerals in the figures illustrate:

1. a case; 2. a mud inlet pipe; 3. a water outlet pipe; 4. a mounting frame; 5. a stator; 6. a moving plate; 7. a drive assembly; 8. an upper filter chamber; 9. a lower water purifying cavity; 10. a mud filtering mechanism; 11. a drain pipe; 12. a mud discharging port; 13. an input tube; 14. a branch pipe; 1001. a mud filtering pipe; 1002. a drive shaft; 1003. a helical blade; 1004. a speed reducer; 1005. a driving motor; 1006. an input port; 1007. a mud outlet; 1008. annular reinforcing ribs; 1009. mounting through holes; 1010. a filter plate; 1011. a water permeable hole; 701. a slide block; 702. a swinging rod; 703. a driving rod; 704. a limiting block; 705. a drive plate; 706. a servo motor; 707. a protective cover; 15. a temporary storage box; 16. a mud discharging bucket; 17. a mud valve; 18. a water outlet; 19. sealing cover; 20. a mud scraping plate; 21. a door-shaped frame; 22. a hydraulic arm; 23. an access opening; 24. an access cover; 25. a handle.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Examples:

referring to fig. 1 to 3, a dredging device for water conservancy construction comprises a box body 1, a mud inlet pipe 2 and a water outlet pipe 3, wherein the output end of the mud inlet pipe 2 is communicated with the inside of the box body 1, the input end of the water outlet pipe 3 is communicated with the inside of the box body 1, a mounting frame 4 is arranged at the middle part of the inside of the box body 1 along the direction which forms a certain inclination angle with the horizontal direction, a plurality of groups of stator plates 5 are fixed on the mounting frame 4 at equal intervals, a movable plate 6 is connected between the plurality of groups of stator plates 5 in a sliding manner, one end of the plurality of groups of movable plates 6 is fixed with a driving assembly 7, a power part of the driving assembly 7 is arranged on the outer wall of the box body 1, the movable plate 6 is driven to slide back and forth relative to the stator plates 5 by the driving assembly 7, water in muddy water flows into the lower part of the mounting frame 4 through a gap between the movable plate 6 and the stator plates 5, and other impurities in muddy water remain above the movable plates 5 and the movable plates 6, the relative sliding of the moving plate 6 and the fixed plate 5 can accelerate the water flowing downwards from the upper part of the fixed plate 5 to improve the filtering speed, the mounting frame 4, the fixed plate 5 and the moving plate 6 divide the inside of the box body 1 into an upper filter cavity 8 and a lower water purifying cavity 9, a plurality of groups of mud filtering mechanisms 10 are arranged in the upper filter cavity 8 at equal intervals, the power part of the mud filtering mechanisms 10 is arranged on the outer wall of the box body 1, the front end bottom of the box body 1 is provided with a drain pipe 11 and a mud discharging opening 12, the upper end surface of the box body 1 is provided with an input pipe 13, the output end of the input pipe 13 is provided with a plurality of branch pipes 14, the branch pipes 14 are communicated with the input end of the mud filtering mechanisms 10, the mud filtering mechanisms 10 are utilized to forcedly separate and filter mud, the part with high mud content is forcedly sent to the mud discharging opening 12, the compressed mud is extruded into mud cake shape, the mud is difficult to block the filtering passage, and the mud separating and filtering process can continuously operate, the shutdown time is short, and the efficiency of filtering and separating the sludge can be greatly improved;

in this embodiment, the mud filter mechanism 10 includes a mud filter 1001, a driving shaft 1002, helical blades 1003, a speed reducer 1004, and a driving motor 1005, where two ends of the mud filter 1001 are connected in the upper filter chamber 8 by flange bolts, the driving shaft 1002 is rotatably connected in the mud filter 1001 by a bearing seat, the helical blades 1003 are fixed on the driving shaft 1002, and the spacing between adjacent blades of the helical blades 1003 is reduced in gradient, the spacing between the blades of the helical blades 1003 in the direction from the input end to the output end is continuously reduced, so that the mud is continuously subjected to a larger extrusion force in the process of passing through the helical blades 1003 and the mud filter 1001, thereby making the water in the mud less and less, being more beneficial to forming mud cakes with smaller water content, the outer sides of the helical blades 1003 are attached to the inner wall of the mud filter 1001, one end of a driving shaft 1002 penetrates through a box body 1 and is in transmission connection with a driving motor 1005 through a speed reducer 1004, an input port 1006 is arranged at the top of a filter mud pipe 1001, the bottom output end of a branch pipe 14 is communicated with the input port 1006, one end of the filter mud pipe 1001 is provided with a mud outlet 1007, the mud outlet 1007 is communicated with a mud discharge port 12, the driving motor 1005 and the speed reducer 1004 drive the driving shaft 1002 and a spiral blade 1003 to rotate, the spiral blade 1003 is matched with the filter mud pipe 1001 to continuously convey mud in the filter mud pipe 1001 to the direction of the mud outlet 1007, the spiral blade 1003 and the filter mud pipe 1001 squeeze the filtered mud in the conveying process, water penetrates through the filter mud pipe 1001 into an upper filtering strength 8, and mud in the mud is extruded into mud cake-like shapes through the spiral blade 1003 and the filter mud pipe 1001 and is discharged to a designated position from the mud outlet 1007 and the mud discharge port 12;

in this embodiment, annular reinforcing ribs 1008 are fixed on the filter mud pipe 1001 along the length direction of the filter mud pipe 1001 at equal intervals, mounting through holes 1009 are formed in the filter mud pipe 1001 between the annular reinforcing ribs 1008 at equal angles, filter plates 1010 are connected to the mounting through holes 1009 through bolts, a plurality of water permeable holes 1011 are formed in the filter plates 1010, deformation resistance of the filter mud pipe 1001 is enhanced by the annular reinforcing ribs 1008, and the filter plates 1010 with the water permeable holes 1011 with different apertures are flexibly selected to be mounted and combined through the detachable filter plates 1010, so that mud water treatment with different filtering requirements can be met;

in this embodiment, the driving assembly 7 includes a slider 701, a swinging rod 702, a driving rod 703, a limiting block 704, a driving disc 705, and a servo motor 706, where the slider 701 is slidingly connected to the lower end surface of the stator 5, the bottom of the rotor plate 6 is connected to the slider 701 through a bolt, one end of the swinging rod 702 is fixed to the slider 701, the limiting block 704 is embedded in the case 1, a linear bearing is built in the limiting block 704, one end of the swinging rod 702 passes through the built-in linear bearing in the limiting block 704 and is slidingly connected with the limiting block 704, one end of the driving rod 703 is rotationally connected to the swinging rod 702, the other end of the driving rod 703 is rotationally connected to the driving disc 705, the driving disc 705 is axially fixed to the output end of the servo motor 706, the servo motor 706 is installed on the outer wall of the case 1, the driving disc 705 is driven to rotate by the servo motor 706, then the driving disc 703 is driven to swing, so that the slider 701 and the rotor plate 6 are driven to reciprocally slide along the stator plate 5 by the swinging rod 702, and water in the upper filter cavity 8 is driven by the relative motion of the rotor plates 6 and 5 to enter the lower water through a gap 9, and the water in the filter cavity 8 is filtered by the relative motion of the stator plates 6 and 5, and the water can have a higher self-weight than the water filtering efficiency;

in the embodiment, a protecting cover 707 is arranged on the outer side of the servo motor 706, the protecting cover 707 is connected to the outer wall of the box body 1 in a bolt mode, the protecting cover 707 is used for protecting the servo motor 706 from being damaged by external impact, and the servo motor 706 is protected;

in this embodiment, a temporary storage tank 15 is installed on the side wall of the tank body 1 corresponding to the position of the upper filter cavity 8, the temporary storage tank 15 is communicated with the bottom of the upper filter cavity 8, a mud discharge hopper 16 is arranged at the bottom of the temporary storage tank 15, a mud discharge valve 17 is arranged on the mud discharge hopper 16, a water outlet 18 is arranged at the top of the temporary storage tank 15, a sealing cover 19 is covered on the water outlet 18, a mud scraper 20 is slidingly connected to the mounting frame 4, a door-shaped frame 21 is fixed on the mud scraper 20, the door-shaped frame 21 is slidingly connected in the tank body 1, a hydraulic arm 22 is installed at the top of the door-shaped frame 21, a full action process of one-time extension and one-time contraction is completed by the hydraulic arm 22 in each starting period, the mud scraper 20 is driven to complete one-time reciprocating motion, mud on the fixing piece 5 and the mounting frame 4 is scraped into the temporary storage tank 15, mud on the fixing piece 5 is temporarily stored in the temporary storage tank 15, supernatant liquid of the mud at rest in the temporary storage tank 15 can be discharged into a mud discharge hopper 16 through water pumping equipment and the water outlet 18, and the mud at the bottom of the temporary storage tank 15 is discharged from the mud discharge hopper 16 to a designated transportation area;

in this embodiment, the up end of the case 1 is provided with an access opening 23, the access opening 23 is connected with an access cover 24 by embedded bolts, the access cover 24 is provided with a handle 25 embedded, and when the equipment needs cleaning or maintenance, the access cover 24 is opened for flushing or replacement maintenance.

The working process of the utility model is as follows:

the operator can transport the device to a designated position, can select to install on an operation floating vessel according to the use requirement, can also be placed on the ground on the bank of a river channel or other transport devices, can select a filter plate 1010 with a water permeable hole 1011 with a proper aperture to install and combine according to the construction requirement, can convey the mixture of sludge and water removed by a dredging device into an input pipe 13 through a conveying device, can convey mud water to the lower end of a obliquely installed mud filter tube 1001 through a branch pipe 14, can start a driving motor 1005, can drive a driving shaft 1002 and a spiral blade 1003 to rotate through the driving motor 1005 and a speed reducer 1004, can convey mud water in the mud filter tube 1001 continuously towards the direction of a mud outlet through the spiral blade 1003 and the mud filter tube 1001, can convey the mud water to enter an upper filtering strength 8 through the spiral blade 1003 and the mud filter tube 1001 in the conveying process, the mud in the mud water is extruded by the spiral blade 1003 and the mud filtering tube 1001 to form mud cake-like mud water which is discharged to a designated position from the mud outlet 1007 and the mud discharging 12, the mud water filtered for the first time by the mud filtering tube 1001 enters the upper filter cavity 8, the driving disc 705 is driven to rotate by the servo motor 706, then the driving disc 705 drives the driving rod 703 to swing, thereby the sliding block 701 and the moving plate 6 are driven to slide back and forth along the fixed plate 5 by the swinging rod 702, the water in the upper filter cavity 8 is driven to enter the lower water purifying cavity 9 by the relative movement of the moving plate 6 and the fixed plate 5 through the gap between the moving plate 6 and the fixed plate 5, the efficiency is higher compared with the self-weight filtering by water, the cooperation of the mud scraping plate 20 and the hydraulic arm 22 is utilized, the time interval is set to be started at fixed time, the hydraulic arm 22 completes the whole action process of one-time extension and contraction in each starting period, and the mud scraping plate 20 is driven to complete one-time reciprocating movement, the sludge on the stator 5 and the mounting frame 4 is scraped into the temporary storage box 15, the sludge on the stator 5 is temporarily stored in the temporary storage box 15, supernatant of the sludge which is static in the temporary storage box 15 can be discharged into a river channel through the water pumping equipment and the water outlet 18, and the sludge at the bottom of the temporary storage box 15 is discharged from the sludge discharge hopper 16 and transported to a designated area.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Dredging equipment is used in water conservancy construction, including box (1), advance mud pipe (2) and outlet pipe (3), advance the output of mud pipe (2) with communicate in box (1), the input and the box (1) of outlet pipe (3) communicate, its characterized in that: the middle part is provided with mounting bracket (4) along the direction that is certain inclination with the horizontal direction in box (1), and equidistant on mounting bracket (4) is fixed with multiunit stator (5), multiunit sliding connection has moving plate (6) between stator (5) the multiunit one end of moving plate (6) is fixed with drive assembly (7), and the power part of drive assembly (7) is installed on the outer wall of box (1), and mounting bracket (4), stator (5), moving plate (6) are separated into upper filter chamber (8) and lower water purification chamber (9) with in box (1), the filter comprises an upper filter cavity (8), a plurality of groups of mud filtering mechanisms (10) are arranged in the upper filter cavity (8) at equal intervals, a power part of each mud filtering mechanism (10) is arranged on the outer wall of a box body (1), a drain pipe (11) and a mud discharging port (12) are arranged at the bottom of the front end of the box body (1), an input pipe (13) is arranged on the upper end face of the box body (1), a plurality of branch pipes (14) are arranged at the output end of each input pipe (13), and each branch pipe (14) is communicated with the input end of each mud filtering mechanism (10).

2. The dredging equipment for water conservancy construction according to claim 1, wherein: the mud filtering mechanism (10) comprises a mud filtering tube (1001), a driving shaft (1002), helical blades (1003), a speed reducer (1004) and a driving motor (1005), wherein two ends of the mud filtering tube (1001) are connected into an upper filtering cavity (8) through flange bolts, the driving shaft (1002) is rotationally connected into the mud filtering tube (1001) through a bearing seat, the helical blades (1003) are fixed on the driving shaft (1002), the spacing between the adjacent blades of the helical blades (1003) is in gradient reduction, the outer sides of the helical blades (1003) are attached to the inner wall of the mud filtering tube (1001), one end of the driving shaft (1002) penetrates through a box body (1) and is in transmission connection with the driving motor (1005), an input port (1006) is arranged at the top of the mud filtering tube (1001), the bottom output end of a branch pipe (14) is communicated with the input port (1006), and one end of the mud filtering tube (1001) is provided with a mud outlet (1007), and the mud outlet (1007) is communicated with a mud discharge port (12).

3. The dredging equipment for water conservancy construction according to claim 2, wherein: the mud filter tube (1001) is fixed with annular reinforcing ribs (1008) along the length direction at equal intervals, mounting through holes (1009) are formed in the mud filter tube (1001) between the annular reinforcing ribs (1008) at equal angles, the filter plates (1010) are connected to the mounting through holes (1009) through bolts, and a plurality of water permeable holes (1011) are formed in the filter plates (1010).

4. The dredging equipment for water conservancy construction according to claim 1, wherein: the driving assembly (7) comprises a sliding block (701), a swinging rod (702), a driving rod (703), a limiting block (704), a driving disc (705) and a servo motor (706), wherein the sliding block (701) is slidably connected to the lower end face of the stator (5), the bottom of the moving plate (6) is connected to the sliding block (701) through a bolt, one end of the swinging rod (702) is fixed to the sliding block (701), the limiting block (704) is mounted on the box body (1) in an embedded manner, one end of the swinging rod (702) penetrates through the limiting block (704) and is slidably connected with the limiting block (704), one end of the driving rod (703) is rotatably connected to the swinging rod (702), the other end of the driving rod (703) is rotatably connected to the driving disc (705), the driving disc (705) is axially fixed to the output end of the servo motor (706), and the servo motor (706) is mounted on the outer wall of the box body (1).

5. The dredging device for water conservancy construction according to claim 4, wherein: the outside of servo motor (706) is provided with safety cover (707), and safety cover (707) bolted connection is on the outer wall of box (1).

6. The dredging equipment for water conservancy construction according to claim 1, wherein: temporary storage boxes (15) are arranged on the side walls of the box body (1) corresponding to the positions of the upper filter cavities (8), the temporary storage boxes (15) are communicated with the bottoms of the upper filter cavities (8), mud discharging hoppers (16) are arranged at the bottoms of the temporary storage boxes (15), mud discharging valves (17) are arranged on the mud discharging hoppers (16), water outlets (18) are arranged at the tops of the temporary storage boxes (15), sealing covers (19) are arranged on the water outlets (18) in a covering mode, mud scraping plates (20) are connected onto the mounting frames (4) in a sliding mode, door-shaped frames (21) are fixedly arranged on the mud scraping plates (20), the door-shaped frames (21) are connected into the box body (1) in a sliding mode, and hydraulic arms (22) are arranged at the tops of the door-shaped frames (21).

7. The dredging equipment for water conservancy construction according to claim 1, wherein: the novel box is characterized in that an access hole (23) is formed in the upper end face of the box body (1), an access cover (24) is connected with the access hole (23) through an embedded bolt, and a handle (25) is arranged in the access cover (24).