CN217537125U

CN217537125U - Hydraulic engineering desilting device

Info

Publication number: CN217537125U
Application number: CN202220726829.XU
Authority: CN
Inventors: 王成; 向映标
Original assignee: Xuanhan Yangguang Road Facilities Co ltd
Current assignee: Xuanhan Yangguang Road Facilities Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-10-04
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a hydraulic engineering desilting device, which relates to the technical field of equipment structures for hydraulic engineering and solves the problems of low functionality and difficult transportation of the existing hydraulic engineering desilting device, and comprises a desilting box connected on a supporting plate, wherein a desilting pipe is connected in the desilting box, a desilting pump is connected on the desilting pipe, the bottom of the supporting plate is connected with a supporting cylinder through a sliding structure, the sliding structure comprises a sliding rail arranged at the bottom of the supporting plate, the supporting cylinder is connected with a sliding block connected with the sliding rail, and the sliding block is connected with a driving structure for driving the sliding block to move; a telescopic structure is connected in the supporting cylinder, a walking bracket is connected on the telescopic structure, and walking wheels are connected on the walking bracket; the utility model has the advantages of be applicable to the channel of multiple different width, enlarged the application scope of this desilting device, strengthened this desilting device's functionality, the extending structure of connection in the support section of thick bamboo simultaneously makes the device can be applicable to the channel of the different degree of depth, has played the effect of reinforcing this device functionality equally.

Description

Hydraulic engineering desilting device

Technical Field

The utility model relates to an equipment structure technical field for the hydraulic engineering, more specifically relate to hydraulic engineering desilting device technical field.

Background

Hydraulic engineering is a general term for various engineering constructions built for controlling, utilizing and protecting surface and underground water resources and environments, water is a valuable resource essential for human production and life, but the naturally existing state of the water does not completely meet the requirements of human beings, and only when the hydraulic engineering is built, water flow can be controlled to prevent flood disasters and adjust and distribute water quantity so as to meet the requirements of people life and production on water resources. The development trend of hydraulic engineering is more and more obvious, the status of the hydraulic engineering in national economy becomes more and more important, and in a drainage channel for rural irrigation, muddy water is flushed into the channel after rainstorm and is accumulated and blocked, and at the moment, dredging treatment is required, if the muddy water is not cleaned in time, the blockage of a drainage system is easily caused, and serious consequences are generated.

The structure of the channel desilting device that involves usually includes the desilting case of connection in the backup pad among the current hydraulic engineering, and the desilting incasement is connected with and takes out the silt pipe, takes out to be connected with on the silt pipe and takes out the silt pump, takes out the silt in the channel through taking out the silt pump and takes out the desilting incasement, then carries out centralized processing to clear silt.

Present desilting device has more inconvenience in the use, the length of channel is longer usually, the staff need constantly shift the position of desilting device, this just need consume a large amount of intensity of labour of staff, and it is longer also can cause the desilting time, the problem of desilting effect is not good, the backup pad of current desilting device is fixed width usually simultaneously, the width of some channel nevertheless has the difference, this channel that just causes current desilting device can only be to certain width carries out the desilting and handles, lead to current desilting device functional lower, also there is clear not clean of silt simultaneously, the problem of desilting effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve current hydraulic engineering desilting device functional low, the problem of transport difficulty, in order to solve above-mentioned technical problem, the utility model provides a hydraulic engineering desilting device.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a dredging device for hydraulic engineering comprises a dredging box connected to a supporting plate, wherein a dredging pipe is connected in the dredging box, a dredging pump is connected to the dredging pipe, the bottom of the supporting plate is connected with a supporting cylinder through a sliding structure, the sliding structure comprises a sliding rail arranged at the bottom of the supporting plate, the supporting cylinder is connected with a sliding block connected with the sliding rail, and the sliding block is connected with a driving structure for driving the sliding block to move; the supporting device is characterized in that a telescopic structure is connected in the supporting cylinder, a walking support is connected on the telescopic structure, and walking wheels are connected on the walking support.

When using hydraulic engineering desilting device in this application, the width adjustment of the channel that the staff dredges as required carries out connects the spacing distance between two spinal branch framves of backup pad bottom, make two spinal branch framves fall on the both sides of channel just, then according to the degree of depth of channel, the extending structure extension of adjustment connection in a branch framves or shorten, the tip that makes the pump of taking out the silt pipe is located the silt department of channel bottom, then start the pump of taking out the silt, can take out the silt that needs handled to the desilting incasement, if the while all has the position that needs clear silt in same channel in different positions, this desilting device only needs to be promoted to the staff this moment, can make the walking wheel of connection on walking bracket rotate, and then make whole device remove forward, realize carrying out the effect that shifts to the position of device.

When the spacing distance between the supporting cylinders is adjusted, the driving structure connected to the sliding block drives the sliding block to move in the sliding rail.

This application sets up the position of a supporting cylinder through with the backup pad bottom into the structure that can adjust, can make the device be applicable to the channel of multiple different width, the application scope of this desilting device has been enlarged, this desilting device's functionality has been strengthened, the extending structure of connection in a supporting cylinder simultaneously, make the device can be applicable to the channel of the different degree of depth, the functional effect of reinforcing the device has been played equally, and the walking wheel of connection not only is convenient for shift the position of whole device at the desilting in-process, simultaneously after finishing driving silt in the channel, and when shifting the device to the channel department that needs carry out the desilting, staff's light convenience also more in handling.

Furthermore, the bottom of the supporting plate is provided with a rectangular groove, the slide rail is arranged in the rectangular groove, the middle part of the rectangular groove is connected with a partition plate, the driving structure comprises a first electric telescopic rod connected to the partition plate, and the first electric telescopic rod is connected with the slide block.

When the position of supporting a section of thick bamboo is adjusted, the staff starts first electric telescopic handle, can slide at the slide rail at the in-process drive that first electric telescopic handle extension or shorten and the slider that first electric telescopic handle is connected, and then the messenger is connected with the supporting a section of thick bamboo removal of slider, has realized the adjustment to the interval distance between two supporting a section of thick bamboo promptly.

Furthermore, the telescopic structure comprises a second electric telescopic rod, one end of the second electric telescopic rod is connected to the top of the supporting cylinder, and the other end of the second electric telescopic rod is connected with the walking support.

When the height of the whole dredging device is adjusted according to the depth of the channel, the worker starts the second electric telescopic rod, and the second electric telescopic rod can be extended and shortened.

Furthermore, be connected with the crushing structure who is used for breaking the silt of caking in the backup pad, be connected with the battery that is used for crushing structure power supply in the backup pad.

The crushing structure comprises two supporting seats connected to the supporting plate, a supporting rod is connected between the two supporting seats, a supporting block is connected to the supporting rod, a rotating shaft is connected to the supporting block, a first motor for driving the rotating shaft to rotate is connected to the rotating shaft, and a crushing cutter is connected to the rotating shaft.

If there is the condition of caking in the silt in the channel, then need just can extract it to the desilting incasement through taking out the silt pump after smashing it, consequently when the earth of caking need be handled in the channel, the staff starts first motor, rotate rather than the rotation axis that is connected through first motor drive, and then make the connection rotate at the epaxial crushing sword of rotation, can realize carrying out kibbling effect to the earth of caking in the channel, earth after smashing mixes with silt under the stirring of crushing sword, can extract the desilting incasement in the lump.

This application can smash massive earth through connecting crushing structure, can not only make it be extracted the desilting incasement smoothly, has also avoided causing the jam of pipeline and mud pump at the in-process of extraction silt moreover, reduces equipment failure's probability, and then has realized shortening the treatment time, improves the effect of treatment effeciency.

Furthermore, the supporting rod is a threaded rod, the supporting block is in threaded connection with the supporting rod, the threaded rod is rotatably connected to the supporting seat, a second motor for driving the threaded rod to rotate is connected to the threaded rod, and an output shaft of the second motor is connected with the threaded rod through a coupler.

When smashing the earth piece in the channel, start the second motor, rotate rather than the threaded rod of being connected through the drive of second motor, can make the supporting shoe of connection on the threaded rod remove about, can make the crushing sword of connection on the supporting shoe remove about, and then realize carrying out crushing effect on a large scale to the caking earth in the channel.

This application sets up crushing sword to the structure that can remove about, can enlarge this crushing structure to the crushing scope of the caking silt in the channel, has further strengthened the functionality of device.

Furthermore, a third electric telescopic rod is connected to the rotating shaft, one end of the third electric telescopic rod is connected with the rotating shaft, and the other end of the third electric telescopic rod is connected with an output shaft of the first motor.

The extension of connecting at the epaxial third electric telescopic handle of rotation and shortening can make this crushing structure be located the different degree of depth of channel, the while also is applicable to the channel of the different degree of depth, when required kibbling earth is darker, third electric telescopic handle extension, and then make the connection rotate epaxial crushing sword downstream, after smashing and finishing, shorten through third electric telescopic handle, can make the connection rotate epaxial crushing sword rebound, the effect of accomodating crushing sword has been realized, avoid under the device inoperative condition, crushing sword is too near from ground, lead to causing the damage to ground when shifting the device.

This application makes this crushing structure can be applicable to the channel of the different degree of depth through connect third electric telescopic handle on the rotation axis, has further strengthened this desilting device's functionality.

Further, desilting roof portion is connected with the deodorant liquid bin, the deodorant liquid bin with be connected with the feed liquor pipe between the desilting case, be connected with the control valve on the feed liquor pipe, desilting incasement in-connection has stirring structure.

The stirring structure comprises a stirring shaft connected in the dredging box, a stirring blade is connected to the stirring shaft, and a third motor for driving the stirring shaft to rotate is connected to the stirring shaft.

After the dredge pump with silt suction to the desilting incasement, open the control valve of connection on the feed liquor pipe, arrange the desilting case you into with the deodorant in the deodorant liquid bin, it is rotatory through third motor drive (mixing) shaft, can make the connection stir epaxial stirring also rotate, and then stir silt and deodorant in the desilting incasement, reach quick deodorant effect.

This application is through connecting stirring structure in the desilting incasement to and connect the deodorant liquid bin at desilting roof portion, can discharge again after the silt that extracts to the desilting incasement is deodorized, reduced the pollution to the environment, realized the effect of environmental protection.

Furthermore, the silt pumping pipe is composed of an upper pipe and a lower pipe, and the upper pipe is connected with the lower pipe through threads.

When using this desilting device, with lower tube threaded connection on the upper tube, the mud is taken out in the channel is submerged into to the lower tube, after taking out the mud and finishing, pulls down the lower tube from the upper tube again, the removal of the whole device of being convenient for.

This application adopts the mode of dismantling the connection with top tube and low tube, avoids taking out the silt pipe overlength and leads to causing the hindrance when removing the device, further makes the staff more light convenient when shifting the device.

The utility model has the advantages as follows:

(1) The position of the supporting cylinder at the bottom of the supporting plate is set to be an adjustable structure, so that the device can be suitable for channels with different widths, the application range of the dredging device is expanded, the functionality of the dredging device is enhanced, meanwhile, the device is connected with the telescopic structure in the supporting cylinder, the device can be suitable for channels with different depths, the effect of enhancing the functionality of the device is also achieved, the connected travelling wheels are convenient to transfer the position of the whole device in the dredging process, and when the device is transferred to the channel needing dredging after sludge in the channel is removed, workers are easy and convenient in the carrying process;

(2) According to the sludge pump, large soil can be crushed by connecting the crushing structure, so that the soil can be smoothly pumped into the sludge cleaning box, the blockage of a pipeline and a sludge pump in the sludge pumping process is avoided, the probability of equipment failure is reduced, the treatment time is shortened, and the treatment efficiency is improved;

(3) According to the device, the crushing cutter is arranged to be capable of moving left and right, so that the crushing range of the crushing structure to the agglomerated sludge in the channel can be expanded, and the functionality of the device is further enhanced;

(4) According to the dredging device, the third electric telescopic rod is connected to the rotating shaft, so that the smashing structure can be suitable for channels with different depths, and the functionality of the dredging device is further enhanced;

(5) According to the sludge deodorization device, the stirring structure is connected in the dredging box, and the deodorization liquid storage box is connected to the top of the dredging box, so that sludge pumped into the dredging box can be deodorized and then discharged, the pollution to the environment is reduced, and the environment-friendly effect is realized;

(6) This application adopts the mode of dismantling the connection with top tube and low tube, avoids taking out silt pipe overlength and leads to causing the hindrance when removing the device, further makes the staff more light convenient when shifting the device.

Drawings

Fig. 1 is a schematic structural view of a dredging device for hydraulic engineering in the utility model;

FIG. 2 is a bottom view of FIG. 1;

fig. 3 is an enlarged view of a in fig. 1.

Reference numerals: 11-crushing cutter, 12-road wheel, 13-supporting cylinder, 14-second electric telescopic rod, 15-sliding block, 16-first electric telescopic rod, 17-silt pumping pipe, 18-silt pumping pump, 19-silt removing box, 21-deodorant liquid storage tank, 22-stirring blade, 23-stirring shaft, 24-third motor, 25-rectangular groove, 26-second motor, 27-threaded rod, 28-sliding rail, 29-supporting block, 31-first motor, 32-third electric telescopic rod and 33-rotating shaft.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solution in the embodiments of the present invention.

Example 1

As shown in fig. 1-3, the embodiment provides a hydraulic engineering dredging device, which includes a dredging box 19 connected to a supporting plate, a dredging pipe 17 connected to the dredging box 19, a dredging pump 18 connected to the dredging pipe 17, a supporting cylinder 13 connected to the bottom of the supporting plate through a sliding structure, the sliding structure includes a sliding rail 28 arranged at the bottom of the supporting plate, a sliding block 15 connected to the sliding rail 28 is connected to the supporting cylinder 13, and a driving structure for driving the sliding block 15 to move is connected to the sliding block 15; a telescopic structure is connected in the supporting cylinder 13, a walking bracket is connected on the telescopic structure, and a walking wheel 12 is connected on the walking bracket.

When using hydraulic engineering desilting device in this application, the width adjustment of the channel that the staff dredges as required connects the interval distance between two support section of thick bamboo 13 of backup pad bottom, make two support section of thick bamboo 13 fall on the both sides of channel just, then according to the degree of depth of channel, the extending structure extension of adjustment connection in support section of thick bamboo 13 or shorten, the tip that makes pump silt pipe 17 is located the silt department of channel bottom, then start pump 18, can take out the silt that needs to handle to desilting case 19 in, if all there is the position that needs clear silt in the different positions in same channel simultaneously, the staff only need promote this desilting device this moment, can make walking wheel 12 of connection on walking bracket rotate, and then make whole device move forward, the realization carries out the effect that shifts to the position of device.

When the distance between the support cylinders 13 is adjusted, the slide block 15 is driven to move in the slide rail 28 by a driving structure connected to the slide block 15.

This application sets up the position of a support section of thick bamboo 13 through with the backup pad bottom into the structure that can adjust, can make the device be applicable to the channel of multiple different width, the application scope of this desilting device has been enlarged, this desilting device's functionality has been strengthened, the extending structure of connection in a support section of thick bamboo 13 simultaneously, make the device can be applicable to the channel of the different degree of depth, the effect of reinforcing the device functionality has been played equally, and the walking wheel 12 of connection not only is convenient for shift the position of whole device at the desilting in-process, after finishing driving silt in the channel simultaneously, and when shifting the device to the channel department that needs carry out the desilting, staff's also light convenience more in handling.

Example 2

As shown in fig. 1-3, based on embodiment 1, a rectangular groove 25 is provided at the bottom of the support plate, a slide rail 28 is provided in the rectangular groove 25, a partition is connected to the middle of the rectangular groove 25, the driving structure includes a first electric telescopic rod 16 connected to the partition, and the first electric telescopic rod 16 is connected to the slider 15.

When the position of the supporting barrel 13 is adjusted, the worker starts the first electric telescopic rod 16, and the sliding block 15 connected with the first electric telescopic rod 16 is driven to slide in the sliding rail 28 in the process of extending or shortening the first electric telescopic rod 16, so that the supporting barrel 13 connected with the sliding block 15 moves, and the adjustment of the spacing distance between the two supporting barrels 13 is realized.

Example 3

As shown in fig. 1 to 3, based on embodiment 1, the telescopic structure of this embodiment includes a second electric telescopic rod 14, one end of the second electric telescopic rod 14 is connected to the top of the supporting cylinder 13, and the other end is connected to the walking bracket.

When the height of the whole dredging device is adjusted according to the depth of the channel, the worker starts the second electric telescopic rod 14, and the extension and the shortening of the second electric telescopic rod 14 can be realized.

Example 4

As shown in fig. 1 to 3, according to embodiment 1, a crushing structure for crushing caked sludge is attached to a support plate, and a storage battery for supplying power to the crushing structure is attached to the support plate.

Wherein, crushing structure is connected with the bracing piece including connecting two supporting seats in the backup pad between two supporting seats, is connected with supporting shoe 29 on the bracing piece, is connected with rotation axis 33 on the supporting shoe 29, is connected with drive rotation axis 33 pivoted first motor 31 on the rotation axis 33, is connected with crushing sword 11 on the rotation axis 33.

If there is the condition of caking in the silt in the channel, then need just can extract it in desilting case 19 through taking out silt pump 18 after smashing it, consequently when the earth that has the caking in the channel needs to be handled, the staff starts first motor 31, rotate rather than the rotation axis 33 who is connected through the drive of first motor 31, and then make the crushing sword 11 of connection on rotation axis 33 rotate, can realize carrying out kibbling effect to the earth of caking in the channel, earth after smashing mixes with silt under the stirring of crushing sword 11, can extract in the desilting case 19 in the lump.

This application can smash massive earth through connecting crushing structure, can not only make it be extracted the desilting case 19 smoothly in, has also avoided causing the jam of pipeline and mud pump at the in-process of extraction silt moreover, reduces equipment failure's probability, and then has realized shortening the treatment time, improves the effect of treatment effeciency.

Example 5

As shown in fig. 1-3, based on embodiment 1, the support rod of this embodiment is a threaded rod 27, the support block 29 is in threaded connection with the support rod, the threaded rod 27 is rotatably connected to the support seat, the threaded rod 27 is connected to a second motor 26 for driving the threaded rod 27 to rotate, and an output shaft of the second motor 26 is connected to the threaded rod 27 through a coupling.

When smashing the earth piece in the channel, start second motor 26, rotate through second motor 26 drive threaded rod 27 rather than being connected, can make supporting shoe 29 who connects on threaded rod 27 remove about, can make crushing sword 11 of connecting on supporting shoe 29 remove about, and then realize carrying out on a large scale crushing effect to the caking earth in the channel.

According to the device, the crushing cutter 11 is arranged to be capable of moving left and right, so that the crushing range of the crushing structure to the agglomerated sludge in the channel can be expanded, and the functionality of the device is further enhanced.

Example 6

As shown in fig. 1 to 3, according to embodiment 1, a third electric telescopic rod 32 is connected to a rotating shaft 33 of the embodiment, one end of the third electric telescopic rod 32 is connected to the rotating shaft 33, and the other end is connected to an output shaft of the first motor 31.

Extension and the shortening of the third electric telescopic handle 32 of connection on rotation axis 33 can make this crushing structure be located the different degree of depth of channel, the while is also applicable to the channel of the different degree of depth, when required kibbling earth is darker, third electric telescopic handle 32 extends, and then make the crushing sword 11 of connection on rotation axis 33 remove downwards, after smashing and finishing, shortening through third electric telescopic handle 32, can make the crushing sword 11 of connection on rotation axis 33 remove upwards, the effect of accomodating crushing sword 11 has been realized, avoid under the device inoperative condition, crushing sword 11 is too close to ground, lead to causing the damage to ground when shifting the device.

This application makes this crushing structure can be applicable to the channel of different degree of depth through connect third electric telescopic handle 32 on rotation axis 33, has further strengthened this dredging device's functionality.

Example 7

As shown in fig. 1 to 3, based on embodiment 1, the top of the dredging box 19 of this embodiment is connected with a deodorant storage tank 21, a liquid inlet pipe is connected between the deodorant storage tank 21 and the dredging box 19, a control valve is connected on the liquid inlet pipe, and a stirring structure is connected in the dredging box 19.

The stirring structure comprises a stirring shaft 23 connected in the dredging box 19, a stirring blade 22 is connected on the stirring shaft 23, and a third motor 24 for driving the stirring shaft 23 to rotate is connected on the stirring shaft 23.

After in mud pump with silt suction to desilting case 19, open the control valve of connection on the feed liquor pipe, 19 you of desilting case are discharged into to the deodorant in the deodorant liquid storage tank 21, and it is rotatory through third motor 24 drive (mixing) shaft 23, can make the stirring of connection on (mixing) shaft 23 also rotate, and then stir silt and deodorant in the desilting case 19, reach quick deodorant effect.

This application is through connecting stirring structure in desilting case 19 to and connect deodorant liquid bin 21 at 19 tops of desilting case, can discharge again after the silt of extraction to the desilting 19 in carries out the deodorization, reduced the pollution to the environment, realized the effect of environmental protection.

Example 8

As shown in fig. 1 to 3, according to embodiment 1, the dredging pipe 17 of this embodiment is composed of an upper pipe and a lower pipe, and the upper pipe and the lower pipe are connected by a screw thread.

This application adopts the mode of dismantling the connection with top tube and low tube, avoids taking out 17 overlengths of silt pipe and leads to causing the hindrance when removing the device, further makes the staff more light convenient when shifting the device.

Claims

1. The hydraulic engineering dredging device comprises a dredging box (19) connected to a supporting plate, wherein a dredging pipe (17) is connected into the dredging box (19), and a dredging pump (18) is connected onto the dredging pipe (17), and the hydraulic engineering dredging device is characterized in that the bottom of the supporting plate is connected with a supporting cylinder (13) through a sliding structure, the sliding structure comprises a sliding rail (28) arranged at the bottom of the supporting plate, a sliding block (15) connected with the sliding rail (28) is connected onto the supporting cylinder (13), and a driving structure for driving the sliding block (15) to move is connected onto the sliding block (15); a telescopic structure is connected in the supporting cylinder (13), a walking support is connected on the telescopic structure, and a walking wheel (12) is connected on the walking support.

2. The hydraulic engineering dredging device according to claim 1, wherein a rectangular groove (25) is formed in the bottom of the supporting plate, the sliding rail (28) is arranged in the rectangular groove (25), a partition plate is connected to the middle of the rectangular groove (25), the driving structure comprises a first electric telescopic rod (16) connected to the partition plate, and the first electric telescopic rod (16) is connected with the sliding block (15).

3. The hydraulic engineering dredging device according to claim 1, wherein the telescopic structure comprises a second electric telescopic rod (14), one end of the second electric telescopic rod (14) is connected to the top of the supporting cylinder (13), and the other end of the second electric telescopic rod is connected with the walking bracket.

4. The hydraulic engineering dredging device of claim 1, wherein a crushing structure for crushing caked sludge is connected to the support plate, and a storage battery for supplying power to the crushing structure is connected to the support plate.

5. The dredging device for water conservancy project according to claim 4, wherein the crushing structure comprises two supporting seats connected to the supporting plate, a supporting rod is connected between the two supporting seats, a supporting block (29) is connected to the supporting rod, a rotating shaft (33) is connected to the supporting block (29), a first motor (31) for driving the rotating shaft (33) to rotate is connected to the rotating shaft (33), and a crushing cutter (11) is connected to the rotating shaft (33).

6. A hydraulic engineering dredging device according to claim 5, wherein the supporting rod is a threaded rod (27), the supporting block (29) is in threaded connection with the supporting rod, the threaded rod (27) is rotatably connected to the supporting seat, a second motor (26) for driving the threaded rod (27) to rotate is connected to the threaded rod (27), and an output shaft of the second motor (26) is connected with the threaded rod (27) through a coupler.

7. A hydraulic engineering dredging device according to claim 5, wherein a third electric telescopic rod (32) is connected to the rotating shaft (33), one end of the third electric telescopic rod (32) is connected to the rotating shaft (33), and the other end is connected to an output shaft of the first motor (31).

8. The hydraulic engineering dredging device according to claim 1, wherein a deodorizing liquid storage tank (21) is connected to the top of the dredging tank (19), a liquid inlet pipe is connected between the deodorizing liquid storage tank (21) and the dredging tank (19), a control valve is connected to the liquid inlet pipe, and a stirring structure is connected to the inside of the dredging tank (19).

9. The hydraulic engineering dredging device according to claim 8, wherein the stirring structure comprises a stirring shaft (23) connected in the dredging box (19), a stirring blade (22) is connected to the stirring shaft (23), and a third motor (24) for driving the stirring shaft (23) to rotate is connected to the stirring shaft (23).

10. A hydraulic engineering dredging device according to claim 1, wherein the dredging pipe (17) is composed of an upper pipe and a lower pipe, and the upper pipe and the lower pipe are connected through screw threads.